阅读说明：本技术 驱动机构和阀门 (Drive mechanism and valve ) 是由 潘宇杰 林鹤全 陈越云 顾伟嘉 吴喜聪 于 2021-10-21 设计创作，主要内容包括：本发明公开了一种驱动机构。该驱动机构包括基座、第一驱动电机、主动齿轮、从动齿轮及第二驱动电机；主动齿轮连接于第一驱动电机的输出轴；从动齿轮可旋转连接于基座并与主动齿轮啮合；第二驱动电机固定连接于从动齿轮,以及第二驱动电机的输出轴沿从动齿轮的径向延伸并可操作地沿从动齿轮的径向伸缩。通过第一驱动电机带动主动齿轮旋转,主动齿轮带动从动齿轮旋转从而使得第二驱动电机的位置不断移动,进而驱动不同的外在部件运动。(The invention discloses a driving mechanism. The driving mechanism comprises a base, a first driving motor, a driving gear, a driven gear and a second driving motor; the driving gear is connected with an output shaft of the first driving motor; the driven gear is rotatably connected to the base and meshed with the driving gear; the second driving motor is fixedly connected to the driven gear, and an output shaft of the second driving motor extends along the radial direction of the driven gear and is operable to extend and retract along the radial direction of the driven gear. The driving gear is driven to rotate by the first driving motor, and the driving gear drives the driven gear to rotate, so that the position of the second driving motor is continuously moved, and different external components are driven to move.)

1. A drive mechanism, characterized in that the drive mechanism comprises:

a base;

a first drive motor;

the driving gear is connected to an output shaft of the first driving motor;

a driven gear rotatably connected to the base and engaged with the driving gear;

the second driving motor is fixedly connected to the driven gear, and an output shaft of the second driving motor extends along the radial direction of the driven gear and can stretch and retract along the radial direction of the driven gear.

2. The drive mechanism as recited in claim 1, wherein the driven gear has a circular ring body, teeth of the driven gear are circumferentially distributed along a top portion of the circular ring body, and the driving gear is disposed at an upper end of the top portion of the circular ring body and rotates perpendicular to the top portion of the circular ring body.

3. The driving mechanism as claimed in claim 2, wherein the outer side of the circular ring main body is provided with an inwardly recessed driving groove, the second driving motor is disposed in the driving groove, the output shaft of the second driving motor is disposed toward the outer side of the circular ring main body, and the second driving motor can drive the output shaft to extend and retract to the outer side of the circular ring main body.

4. The drive mechanism as recited in claim 1, wherein the output shaft of the second drive motor is a drive rod that is arcuate at an end remote from the second drive motor.

5. The drive mechanism as recited in claim 3, wherein a top of the drive slot is disposed at a top of the ring body, the teeth of the driven gear forming a notch at the top of the drive slot.

6. A valve, comprising:

the drive mechanism of any one of claims 1-5;

the valve body is provided with a plurality of main flow channels which penetrate through the valve body and are sequentially spaced along the length extension direction of the valve body, the valve body is provided with a plurality of outflow ports, and the outflow ports are respectively communicated with the inner walls of the main flow channels;

a plurality of spools, each of which is slidably mounted in a corresponding one of the primary flow passages, the second driving mechanism being capable of driving the spools to seal or open the outlet port.

7. The valve according to claim 6, wherein the valve body is annular, the plurality of primary flow channels are sequentially arranged along a circumferential direction of the valve body, the first driving motor is fixedly arranged on the valve body, and the base is arranged in the ring of the valve body.

8. The valve according to claim 7, wherein each of the primary flow passages has at least a first section flow passage and a second section flow passage along an axial direction thereof, wherein an inner diameter of the first section flow passage is smaller than an inner diameter of the second section flow passage, the outflow port communicates with the first section flow passage, and the second driving mechanism drives the valve element to be slidable between the first section flow passage and the second section flow passage.

9. The valve of claim 8, wherein one end of the valve core is provided with a sealing head, and the outer diameter of the sealing head is larger than the inner diameter of the second section of the flow passage.

10. The valve of claim 9, wherein the spool is rod-shaped and has at least a first core section and a second core section, the second core section is located on a side of the sealing head away from the second flow passage section, an outer diameter of the first core section is larger than an outer diameter of the second core section, the outer diameter of the second core section is smaller than an inner diameter of the first flow passage section, and a length of the second core section in a direction of the spool is larger than a distance from the outflow port to the second flow passage section.

11. The valve of claim 10, further comprising:

a reset member disposed between the first section core and the inner side of the valve body and arranged to provide a reset force to the first section core, and the driving mechanism is configured to drive the first section core to slide along the main flow passage and compress the reset member;

the limiting part is installed on the inner side of the valve body, and a space for accommodating the resetting part is formed between the inner side of the valve body and the limiting part.

Technical Field

The invention relates to the field of mechanical driving, in particular to a driving mechanism and a valve.

Background

In the era of mechanization and informatization, driving mechanisms are more and more applied to various mechanical devices, most of the driving mechanisms are driven by a motor and an output shaft, but the driving mechanisms in the current market have single functions, and the cooperation between the driving mechanisms is more and more important to form a multifunctional driving mechanism.

Disclosure of Invention

It is an object of the present invention to provide a drive mechanism that solves the above-mentioned problems of the prior art.

In order to solve the above-mentioned problems, according to an aspect of the present invention, there is provided a driving mechanism, characterized in that the driving mechanism includes a base, a first driving motor, a driving gear, a driven gear, and a second driving motor: the driving gear is connected to an output shaft of the first driving motor; the driven gear is rotatably connected to the base and meshed with the driving gear; the second driving motor is fixedly connected to the driven gear, and an output shaft of the second driving motor extends along the radial direction of the driven gear and is operable to extend and retract along the radial direction of the driven gear.

In one embodiment, the driven gear has a circular ring body, the teeth of the driven gear are distributed along the circumference of the top of the circular ring body, and the driving gear is arranged at the upper end of the top of the circular ring body and rotates along the direction perpendicular to the top of the circular ring body.

In one embodiment, the outer side of the circular ring main body is provided with an inward concave driving groove, the second driving motor is arranged in the driving groove, an output shaft of the second driving motor is arranged towards the outer side of the circular ring main body, and the second driving motor can drive the output shaft of the second driving motor to extend and retract to the outer side of the circular ring main body.

In one embodiment, the output shaft of the second driving motor is a driving rod, and the end of the driving rod far away from the second driving motor is arc-shaped.

In one embodiment, the top of the driving groove is arranged at the top of the circular ring main body, and the teeth of the driven gear form notches at the top of the driving groove.

The invention also relates to a valve comprising a drive mechanism;

the valve body is provided with a plurality of main flow channels which penetrate through the valve body and are sequentially spaced along the length extension direction of the valve body, the valve body is provided with a plurality of outflow ports, and the outflow ports are respectively communicated with the inner walls of the main flow channels;

a plurality of spools, each of which is slidably mounted in a corresponding one of the primary flow passages, the second driving mechanism being capable of driving the spools to seal or open the outlet port.

In one embodiment, the valve body is annular, the plurality of main flow channels are sequentially arranged along the circumferential direction of the valve body, the first driving motor is fixedly arranged on the valve body, and the base is arranged in the ring of the valve body.

In one embodiment, each of the primary flow passages has at least a first section flow passage and a second section flow passage along an axial direction thereof, wherein an inner diameter of the first section flow passage is smaller than an inner diameter of the second section flow passage, the outflow port is communicated with the first section flow passage, and the second driving mechanism can drive the valve core to be slidable between the first section flow passage and the second section flow passage.

In one embodiment, one end of the valve core is provided with a sealing head, and the outer diameter of the sealing head is larger than the inner diameter of the second section of flow passage.

In one embodiment, the valve core is in a rod shape and at least comprises a first section core body and a second section core body, the second section core body is located on one side of the sealing head far away from the second section flow passage, the outer diameter of the first section core body is larger than that of the second section core body, the outer diameter of the second section core body is smaller than that of the first section flow passage, and the length of the second section core body along the direction of the valve core is larger than the distance from the outflow port to the second section flow passage.

In one embodiment, the valve further comprises:

a reset member disposed between the first section core and the inner side of the valve body and arranged to provide a reset force to the first section core, and the driving mechanism is configured to drive the first section core to slide along the main flow passage and compress the reset member;

the limiting part is installed on the inner side of the valve body, and a space for accommodating the resetting part is formed between the inner side of the valve body and the limiting part.

The driving mechanism is applied to the urine detector, is particularly arranged in a ring of the valve body, and comprises a first driving motor, a driving gear, a driven gear and a second driving motor, wherein the driving gear is connected with an output shaft of the first driving motor; the driven gear is rotatably connected to the base and meshed with the driving gear; the second driving motor is fixedly connected to the driven gear, and an output shaft of the second driving motor extends along the radial direction of the driven gear and is operable to extend and retract along the radial direction of the driven gear. The driving mechanism is connected to the control device of the urine detector, and the output shaft can be aligned with each battery cell to drive the battery cells, so that the valve can be automatically opened and closed.

Drawings

Fig. 1 is an exploded view of a urine test device according to an embodiment of the present invention.

Fig. 2a is a perspective view of a kit according to an embodiment of the present invention.

Fig. 2b is an exploded view of a kit according to an embodiment of the present invention.

Fig. 2c is a perspective view of a kit according to another embodiment of the present invention.

Fig. 2d is a perspective view of a mounting plate of another embodiment of the present invention.

Fig. 3-4 are perspective views of a valve body of one embodiment of the present invention.

FIG. 5 is a top view of a valve body of one embodiment of the present invention.

FIG. 6 is a cross-sectional view of a valve body of one embodiment of the present invention.

Fig. 7 is a perspective view of a valve cartridge according to an embodiment of the present invention.

FIG. 8 is a sectional view of the valve cartridge opening the discharge port of one embodiment of the present invention.

FIG. 9 is a sectional view of a valve cartridge closing the discharge port of an embodiment of the present invention.

Fig. 10 is a perspective view of a valve according to an embodiment of the present invention.

Fig. 11a is a perspective view of a drive mechanism of one embodiment of the present invention.

Fig. 11b is a perspective view of a drive mechanism of another embodiment of the present invention.

Fig. 12 is a perspective view of a drive mechanism incorporating a valve according to one embodiment of the present invention.

Fig. 13a is a perspective view of a flow field plate according to an embodiment of the present invention.

Fig. 13b is a perspective view of a flow field plate according to another embodiment of the present invention.

Fig. 14 is a top view of a flow field plate according to an embodiment of the present invention.

Fig. 15 is a bottom view of a flow field plate according to an embodiment of the present invention.

Fig. 16 is an exploded view of a flow field plate and test module according to one embodiment of the present invention.

Fig. 17 is a perspective view of a urine test device according to an embodiment of the present invention.

Fig. 18 is a perspective view of a urine test device according to another embodiment of the present invention.

Fig. 19 is a perspective view of a peristaltic pump of one embodiment of the present invention.

Fig. 20 is a perspective view of a housing of one embodiment of the present invention.

Fig. 21 is a perspective view of a waste pipe and housing of one embodiment of the present invention.

100. A urine detector;

1. a kit; 11. mounting a disc; 111. an annular body; 112. a reagent tank; 113. a drainage hole; 114. a shoulder; 115. a connecting portion; 12. a reagent capsule;

2. a valve; 21. a valve body; 211. a main flow channel; 2111. a first section of flow channel; 2112. a second section of flow channel; 212. an outflow port; 213. cleaning the inlet; 214. a sample inlet; 215. a vent; 216. a detection device mounting groove; 2101. the outside of the valve body; 2102. the inner side of the valve body; 22. a valve core; 221. a first section core; 222. a second section of core; 2211. a limiting bulge; 2212. a sealing head; 2213. a seal ring; 2214. a recessed portion; 2201. the inner end of the valve core; 2202. the outer end of the valve core; 23. a reset member; 24. a limiting part;

3. a drive mechanism; 31. a base; 32. a first drive motor; 33. a driving gear; 34. a driven gear; 341. a ring body; 35. a second drive motor; 351. a drive rod;

4. a runner plate; 41. an annular flow passage 411, a first flow passage; 412. a second flow passage; 413. a bending section; 414. a liquid outlet channel; 415. mounting grooves; 416. a blowdown line; 4161. the included angle between the sewage discharge pipeline and the liquid outlet pipeline; 4162. the included angle between the sewage discharge pipeline and the sewage discharge outlet; 42. testing the pits; 43. a step; 44. a seal member;

5. a sampling device; 51. a sampling pipe; 52. a sample container; 6. a pump; 61. an inlet of the pump; 62. an outlet of the pump; 71. a water inlet pipe; 72. a water storage container; 73. a gas path pipeline; 8. a detection module; 81. a light source device; 82. a photosensitive sensor; 9. a control device; 10. a housing; 101. a urine inlet;

Detailed Description

The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings so that the objects, features and advantages of the invention can be more clearly understood. It should be understood that the embodiments shown in the drawings are not intended to limit the scope of the present invention, but are merely intended to illustrate the spirit of the technical solution of the present invention.

In the following description, for the purposes of illustrating various disclosed embodiments, certain specific details are set forth in order to provide a thorough understanding of the various disclosed embodiments. One skilled in the relevant art will recognize, however, that the embodiments may be practiced without one or more of the specific details. In other instances, well-known devices, structures and techniques associated with this application may not be shown or described in detail to avoid unnecessarily obscuring the description of the embodiments.

Reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment. Thus, the appearances of the phrases "in one embodiment" or "in an embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

In the following description, for the purposes of clearly illustrating the structure and operation of the present invention, directional terms will be used, but terms such as "front", "rear", "left", "right", "outer", "inner", "outer", "inward", "upper", "lower", etc. should be construed as words of convenience and should not be construed as limiting terms.

The invention relates to a urine test device 100, which comprises a pump 6, a sampling device 5, a detection device, a control device 9, a valve 2 and a driving mechanism 3, as shown in figure 1. The sampling device 5 is used to collect a sample, such as urine. The outlet of the sampling device 5 is in operable communication with the inlet 61 of the pump. Thus, the sample can be transported to the detection device by the pump 6 for detection. The detection device comprises a kit 1 and a detection module 8. The kit 1 contains various suitable reagents for detecting a sample, for example, urine, including but not limited to reagents used in conventional detection, such as alkalinity uric acid (pH), urine white blood cells (WBC/LEU), urine Nitrite (NIT), urine Protein (PRO), Glucose (GLU), urobilin (URO/UBG), ketone bodies (KET), occult Blood (BLU), Bilirubin (BIL), ascorbic acid (VC), salts, creatinine (CrE), reagents applicable to tumor markers, such as alpha-fetoprotein, carcinoembryonic antigen, albumin, urine β 2-microglobulin, etc., reagents for detecting microorganisms, such as nicotine, ethanol, vitamin C, etc.

The detection module 8 is used for detecting a sample, such as urine, to obtain a human-related parameter. The valve 2 is used for controlling the opening and closing of various reagent kits 1. The driving mechanism 3 is used for driving the valve core 22 corresponding to the valve 2 to open or close the valve 2, so as to open the reagent box 1 to release the reagent, or close the reagent box 1; the detection module 8 comprises a flow channel plate 4, and the flow channel plate 4 is matched with the valve 2 to receive urine in the reagent kit 1. The control device 9 is used for controlling the operation of the whole urine test instrument 100, is electrically connected with the pump 6, the driving mechanism 3 and the detection device, and can control the operation of the pump 6, the driving mechanism 3 and the detection device. The parts of the urine test device will be described in detail below.

The reagent kit 1 comprises a mounting disc 11 and a plurality of reagent capsules 12, wherein the mounting disc 11 is provided with an annular main body 111 and a plurality of drainage holes 113 penetrating through the side part of the annular main body 111, and the plurality of drainage holes 113 are distributed along the circumferential direction of the annular main body 111 at intervals; the outlet of the reagent capsule 12 can be closely communicated with the corresponding drainage hole 113. The annular body 111 of the mounting disk 11 may be a closed ring or an open ring, and the size and shape of the ring are not limited and can be adjusted. In the embodiment shown in fig. 2a and 2b, the annular body 111 is an arc of an unclosed segment, and it is understood that the size of the arc of the unclosed annular body 111 is not limited by fig. 2 b. The top of the ring-shaped body 111 is provided with a connection portion 115 extending circumferentially towards the centre of the ring-shaped body, the connection portion 115 being used for connecting other components, such as the valve 2 of the urine analyzer.

In one embodiment, the annular body 111 is provided with a plurality of reagent grooves 112 distributed along the circumference thereof and spaced apart from each other, the reagent grooves 112 are gradually reduced in inner space from the bottom to the top, and the annular body 111 is gradually reduced in inner diameter from the bottom to the top. As shown in fig. 2b, a side of the annular body 111 away from the center of the annular body 111 is defined as an outer side of the annular body 111, a side of the annular body 111 close to the center is defined as an inner side of the annular body 111, and a plurality of reagent grooves 112 are distributed at intervals on the outer side of the annular body 111, and the reagent grooves 112 open toward the outer side of the annular body 111 and open upward, it can be understood that the size and direction of the opening of the reagent grooves 112 can be adjusted without being limited by fig. 2a and 2 b. The number, size and spacing distance of the reagent vessels 112 may be adjusted as needed, and in the embodiment shown in fig. 2b, a plurality of reagent vessels 112 are uniformly distributed outside the ring-shaped body 111. The drainage hole 113 is disposed inside the reagent tank 112 and penetrates through the inner side of the annular body 111 to facilitate the outflow of the reagent, and the drainage hole 113 may be disposed at any position of the inner wall of the reagent tank 112, preferably near the bottom or middle of the annular body 111 to facilitate the outflow of the reagent.

The reagent tank 112 may also be designed as a device for directly containing a reagent, for example, the opening of the reagent tank 112 is directly covered with a silica gel in a closed manner and is provided with an opening which can be opened, the reagent can be directly put into the reagent tank 112, a corresponding detachable reagent capsule 12 can be installed in each reagent tank 112, the reagent can be directly stored in the reagent capsule 12, the reagent capsule 12 is installed in the reagent tank 112, and the reagent capsule 12 is removed and updated after use, it can be understood that the reagent capsule 12 can be detachably installed in the reagent tank 112 by a magnetic attraction manner, for example, the reagent capsule 12 and the reagent tank 112 are both installed with a magnet or one of them is installed with a magnet and the other is installed with an iron sheet, and the magnet or the sheet can be installed at any position of the inner wall or two side portions of the reagent tank 112. The reagent capsule 12 can also be detachably mounted in the reagent tank 112 by other methods, for example, a plurality of clamping blocks are arranged on the reagent capsule 12, a plurality of clamping grooves matched with the clamping blocks are arranged in the reagent tank 112, and the reagent capsule 12 can be detachably clamped and inserted into the reagent tank 112.

The reagent capsules 12 are provided with outlets, each reagent capsule 12 is arranged in the corresponding reagent groove 112 and the outlet of the reagent capsule 12 is communicated with the corresponding drainage hole 113, and the reagent can flow through the drainage holes 113 of the reagent grooves 112 through the outlets of the reagent capsules 12 and flow out. As shown in FIG. 2b, a shoulder 114 is provided in each reagent well 112 to facilitate the installation of the reagent capsule 12, the reagent capsule 12 is sized and shaped to fit the reagent well 112, the drainage hole 113 is provided on the inner wall of the reagent well 112 at the upper portion of the shoulder 114, and the outlet of the reagent capsule 12 is provided at a corresponding position to fit the drainage hole 113. It is understood that the reagent capsule 12 may be disposable, and may be designed to be reusable, and the whole reagent capsule 12 may be made of soft material, such as silica gel, or soft material may be used on the side away from the inner wall of the reagent tank 112 to facilitate the reagent in the reagent tank 112 to be sucked out.

Further, the reagent kit 1 further comprises a sealing member located between the reagent capsule 12 and the reagent groove 112, and the sealing member is provided with a through hole communicated with the drainage hole 113. It is understood that the sealing member is disposed on the inner wall of the reagent tank 112, and preferably covers the entire inner wall, in order to make the connection between the reagent capsule 12 and the reagent tank 112 more tight, the sealing member is made of an elastic material, preferably a silica gel material, such as a silica gel pad, so that the reagent capsule 12 is compressed by an external force to make the gap between the sealing member and the inner wall of the reagent capsule 12 and the reagent tank 112 smaller, and the sealing effect can be better achieved. It will be appreciated that the through-hole of the sealing member is slightly larger than the outlet of the reagent capsule 12, in the direction that the sealing member is compressed to press the through-hole and block the outlet of the reagent capsule 12.

In another embodiment, the drainage holes 113 can directly communicate with the outlet of the reagent capsule 12 without providing the reagent groove 112, as shown in fig. 2c, the annular body 111 is also provided with a plurality of drainage holes 113, the outlet of the reagent capsule 12 is directly communicated with the drainage holes 113, it can be understood that the reagent capsule 12 can be detachably connected with the drainage holes 113 in various ways, such as the outlet of the reagent capsule 12 extends to the outer circumferential end to form a connecting pipe, the connecting pipe can be tightly inserted into the drainage holes 113, and the mounting plate 11 is made of a rigid material, such as plastic or ceramic; the reagent capsule 12 and the connecting pipe have elasticity and the shape of the connecting pipe is slightly larger than the diameter of the drainage hole 113, the connecting pipe can be made of silica gel materials, and the connecting pipe can be installed in the drainage hole 113 by applying external force to compress the connecting pipe. Can also set up the screw thread in the drainage hole 113, the periphery of connecting pipe sets up the screw thread, and the connecting pipe is hard material, can twist the connecting pipe rotation into in the drainage hole 113.

Further, the annular body 11 may be formed in a cylindrical shape having a bottom and a top with an inner diameter identical to each other, or in other irregular shapes, as shown in fig. 2c and 2d, the bottom and the top of the annular body 11 have an inner diameter identical to each other, one end of the ring drainage hole 113 is directly formed at the side of the annular body 11, and the other end is formed at the inner side of the annular body.

The valve 2 includes a valve body 21 and a plurality of spools 22. The valve body 21 is provided with a plurality of main flow channels 211 which penetrate through the valve body 21 and are sequentially spaced along the length extension direction of the valve body 21, the valve body 21 is also provided with a plurality of outflow ports 212, and the outflow ports 212 are respectively communicated with the inner walls of the main flow channels 211; one end of each of the spools 22 is slidably installed in a corresponding one of the main flow passages 211 and is slidable along the main flow passage 211, and the other end thereof protrudes out of the valve body 21, and the spool 22 is operable to seal or open the outlet port 212. In one embodiment, the drive mechanism 3 is disposed within a ring of the valve body 21 and drives movement of the poppet 22, as described in more detail below.

The valve body 21 may extend in the same direction to form a strip-shaped body, or may be in an irregular shape, preferably a regular shape, such as a rectangular parallelepiped or a ring shape, in the embodiment of fig. 3-6, the valve body 21 is in a ring shape, and defines that a side of the valve body 21 close to the center of the ring shape is an inner side 2102 of the valve body, a side far away from the center of the valve body 21 is an outer side 2101 of the valve body, the plurality of main flow passages 211 are sequentially arranged along the circumferential direction of the valve body 21, one end of the main flow passage 211 faces the inner side 2102 of the valve body, and the other end of the main flow passage 211 leads to the outer side 2101 of the valve body.

Further, the outer side 2101 of the valve body tapers radially from bottom to top such that the outer side 2101 of the valve body forms an annular inclined surface to mate the main flow passage 211 with other device openings.

In one embodiment, the exterior of valve body 21 fits the reagent cartridge 1, the exterior 2101 of the valve body fits the interior of annular body 111 of mounting plate 11, main flow channel 211 fits drainage hole 113 on reagent cartridge 1 to facilitate the outflow of reagents from reagent cartridge 1, and valve core 22 opens or closes outflow port 212 to allow the outflow of reagents from reagent cartridge 1.

In another embodiment, when valve body 21 is desired to mate with mounting plate 11 of FIGS. 2c and 2d, valve body outer 2101 may also be cylindrical, and the shape of valve body outer 2101 is not limited by FIGS. 3-6, i.e., different devices may be desired to match, and valve body outer 2101 may be designed in different shapes.

Further, a seal may be provided between the outer side 2101 of the valve body and the inner side of the annular body 111 to increase the inner side sealing connection of the valve body 21 and the annular body of the mounting plate 11. The sealing gasket is also annular, and the shape of the sealing gasket is matched with the inner side of the kit 1 and the outer side 2101 of the valve body; be equipped with a plurality of through-holes that cooperate drainage hole 113 or sprue 211 on the sealed pad, sealed pad preferred silica gel pad.

Further, one end of the outflow port 212 is disposed on the inner wall of the main flow passage 211, the other end is disposed at the bottom of the valve body 21, the flow passage plate 4 is mounted at the lower end of the valve body 21, the flow passage plate 4 is provided with an annular flow passage 41, the other end of the outflow port 212 is located at the upper end of the annular flow passage 41, and the liquid of the valve body 21 can directly flow into the annular flow passage 41 through the outflow port 212.

Furthermore, the valve body 21 is further provided with a cleaning inlet 213, a sample inlet 214 and a vent 215, wherein one end of the cleaning inlet 213, one end of the sample inlet 214 and one end of the vent 215 are also arranged at the outer side 2101 of the valve body, and the other end of the cleaning inlet 213, one end of the sample inlet 214 and the other end of the vent 215 are opened towards the bottom of the valve body 21 and are matched with the annular flow channel 41 of the flow channel plate 4.

Furthermore, control valves may be further disposed in the purge inlet 213, the sample inlet 214 and the vent 215, the control valves are communicated with the control device 9 and can open or close the purge inlet 213, the sample inlet 214 and the vent 215, preferably, the control valves of the purge inlet 213 and the sample inlet 214 may be one-way valves, which only allow water and sample to enter the annular flow channel 41 through the purge inlet 213 and the sample inlet 214 and limit reverse outflow. When the valve body 21 is mounted to the urine test device 100 for use, the control valve of the vent 215 may not be a one-way valve, as will be described in detail below.

Further, the top of the valve body 21 is also provided with a sensing device mounting groove 216 to mount a sensing device. The detection device mounting grooves 216 are channels extending from the top to the bottom of the valve body 21, and the shapes and the number of the detection device mounting grooves can be adjusted according to the number of the detection devices, and in the embodiment shown in fig. 3 to 5, three detection device mounting grooves 216 are arranged on the valve body 21 and are all square.

The shape of the main flow passage 211 may be a cylinder or other shape uniform along the length direction, such as a uniform cylinder with a square or polygonal cross section, the shape of the valve core 22 is closely matched with the valve body 21 and can slide in the valve body 21, and the valve 2 is closed when one end of the valve core 22 slides to the outlet 212 and covers the outlet 212; when one end of the valve body 22 is away from the outlet port 212, the valve 2 is opened, and the liquid can flow into the valve body 21 through the main flow passage 211 of the outer side 2101 of the valve body and flow through the outlet port 212. In the embodiment of fig. 3, the main flow passage 211 has two sections of cylindrical passages with different inner diameters, the main flow passage 211 at least has a first section flow passage 2111 and a second section flow passage 2112 along the axial direction thereof, the inner diameter of the first section flow passage 2111 is smaller than that of the second section flow passage 2112, the outflow port 212 communicates with the first section flow passage 2111, the other end extends to the bottom of the valve body 21 and is aligned with the position of the annular flow passage 41, and the valve core 22 is slidable between the first section flow passage 2111 and the second section flow passage 2112 and can open or close the outflow port 212.

The valve core 22 is rod-shaped and has a shape matching the main flow passage 211 and can slide in the main flow passage 211, the valve core 22 can be driven to seal or open the outlet 212 by applying external force, for example, one end of the valve core 22 can be driven to cover the outlet 212, when the outlet 212 needs to be opened, the valve core 22 can be driven to be far away from the outlet 212 by applying external force, the valve core 22 can control the outlet 212 in various embodiments, for example, a sealing head 2212 can be arranged at one end of the valve core 22, the outer diameter of the sealing head 2212 is larger than the inner diameter of the second section of the flow passage 2112, and the sealing head 2212 can be opened or the outlet 212 can be sealed by moving the valve core 22.

The shape of the spool 22 may also be varied, such as cylindrical or cubical, and, in the embodiment shown in figures 7-9, the valve core 22 is a cylindrical rod and at least has a first section core 221 and a second section core 222, the second section core 222 is located on the side of the sealing head 2212 far away from the second section flow passage 2112, the outer diameter of the first section core 221 is larger than that of the second section core 222, the outer diameter of the second section core 222 is smaller than that of the first section flow passage 2111, the length of the second section core 222 along the direction of the valve core 22 is larger than the distance from the outflow port 212 to the second section flow passage 2112, by moving valve element 22, sealing head 2212 can be moved away from or over outlet port 212, and second core 222 can be positioned with one end in second flow passage 2112, the other end in outlet port 212, because the second core 222 has a smaller diameter than the first segment flow passage 2111, fluid can flow through the second end flow passage 2112 and the second core 222 into the outflow port 212. Specifically, the end part close to the second section of flow passage 2112 is defined as the inner end 2201 of the valve core, the other end is defined as the outer end 2202 of the valve core, the second section of core body 222 is arranged at the end part close to the inner end 2201 of the valve core, when external force is applied to the first section of core body 221 to move towards the outer side direction of the valve body 21, one end of the second section of core body 222 can be located in the second section of flow passage 2112, and the other end is located in the position of the outflow port 212 of the first section of flow passage 2111, because the outer diameter of the second section of core body 222 is smaller than that of the second section of flow passage 2112, fluid can flow into the outflow port 212 through the second section of core body 222; when the first-stage core 221 is also forced to move toward the center of the valve body 21, the inner end of the second-stage core 222 is positioned in the first-stage flow passage 2111, and the outflow port 212 is sealed.

Further, a sealing ring 2213 is further disposed on the outer periphery of the sealing head 2212, the diameter of the sealing head 2212 may be set to be smaller than that of the first segment of the core body 221, the sealing ring 2213 may be annular and is directly sleeved on the sealing head 222, the outer periphery of the sealing ring 2213 is larger than that of the first segment of the flow passage 2111 and has elasticity, and the valve core 22 is moved so that one end of the sealing ring 2213 covers the first segment of the flow passage 2111. Further, the outer periphery of the gasket may be configured to increase gradually in the direction of the second core 222 toward the second flow passage 2111, i.e., the diameter of the end of the sealing ring 2213 near the first flow passage 2111 is close to the diameter of the first flow passage 2112, and moving the spool 22 may cause the end of the sealing ring 2213 to snap into the first flow passage 2111 to seal the first flow passage 2111 and the outflow port 212.

Optionally, a sealing ring with elasticity may be further disposed on the first segment of the valve core 221 away from the second segment of the valve core 222 and the sealing head 2212 to increase the sealing effect of the valve core 22, specifically, a recessed portion 2214 recessed along the circumferential direction of the valve core 22 is disposed on the first segment of the valve core 221 of the second segment of the valve core 22, and a sealing ring may be disposed in the circumferential direction of the recessed portion 2214, the sealing ring having a slightly larger diameter than the first segment of the flow passage 2111 and having elasticity to prevent the fluid from flowing out through the first segment of the flow passage 2111.

The valve 2 further comprises a reset member 23, as shown in fig. 8-9, the reset member 23 being disposed between the first segment core 22 and the valve body 21 and arranged to provide a reset force to the first segment core 221. It is understood that the restoring force may be a pushing force for pushing the valve core 22 away from the valve body 21, or a pulling force for driving the valve core 22 close to the valve body 21, and may be designed according to the working principle of the valve 2. In the embodiment shown in fig. 8 and 9, the restoring member 23 is disposed between the first-stage core 221 and the valve body 21 and has a pushing force that pushes the first-stage core 221 away from the valve body 21. The reset member 23 is preferably a spring, and an external force is applied to the valve core 22 to compress the spring, so that the inner end 2201 and the sealing head 2212 of the valve core are positioned in the second section of the flow passage 2112, so that one end of the second section of the core 222 is positioned in the second section of the flow passage 2112, the other end of the second section of the core is positioned in the outflow port 212 of the first section of the flow passage 2111, the outflow port 212 is opened, the external force is withdrawn, the spring can drive the inner end 2201 and the sealing head 2212 of the valve core to move towards the first section of the flow passage 2111, so that the sealing head 2212 blocks the first section of the flow passage 2111, and the outflow port 212 is closed.

Further, still be equipped with spacing arch 2211 on first section case 221, specifically, spacing arch 2211 sets up in the outside 2101 of case, and the one end of spring can fix and set up on spacing arch 2211, and the other end is fixed and is set up in the inboard 2102 of valve body, can also set up the spring both ends movably between the inboard 2102 of valve body and spacing arch 2211, only need guarantee that the external diameter of spring is less than the external diameter of spacing arch 22111 in order to prevent that first section core 221 from inserting inside the spring. It is understood that the reset member 23 can also be provided in other manners, such as providing a magnetic strip inside the valve body 21, and providing a magnet or a patch on the limit protrusion 2211 that is attracted to the magnetic strip of the valve body 21, which can also have an attraction or repulsion effect.

Further, the valve 2 further includes a limiting member 24, the limiting member 24 is disposed outside the first segment of the core body 221, and the limiting member 24 can limit the distance that the resetting member 23 pushes the valve core 22 to move, and make the inner end 2201 of the valve core be located between the outlet port 212 and the second segment of the flow passage 2112 to close the outlet port 212. In the embodiment shown in fig. 3 to 10, the valve body 21 is ring-shaped, the limiting member 24 is also ring-shaped, and the limiting member 24 is fixedly connected to the inner side 2102 of the valve body, and a space for accommodating the reset member 23 is formed between the inner side 2102 of the valve body and the limiting member 24. Specifically, the top of the valve body 21 circumferentially extends a certain distance toward the center of the valve body 21, the top of the stopper 24 also circumferentially extends toward the valve body 21 and is connected to the top of the valve body 21, and the reset piece 23 is mounted at the lower end of the top of the valve body 21 extending toward the valve core 22. It can be understood that the position-limiting member 24 is provided with a plurality of valve core holes matching the size of the first segment of the valve core 221 so that the outer end 2202 of the valve core can extend out of the position-limiting member 24, and external force can be applied to the outer end 2202 of the valve core to push the valve core 22 to move.

Optionally, a sealing ring with elasticity may be further disposed on the first segment of the valve core 221 away from the second segment of the valve core 222 and the sealing head 2212 to increase the sealing effect of the valve core 22, specifically, a recessed portion 2214 recessed along the circumferential direction of the valve core 22 is disposed on the first segment of the valve core 221 between the second segment of the valve core 22 and the limiting protrusion 2211, and a sealing ring may be disposed in the circumferential direction of the recessed portion 2214, and has a diameter slightly larger than that of the first segment of the flow passage 2111 and elasticity to prevent the fluid from flowing out through the first segment of the flow passage 2111.

Alternatively, a drive mechanism 3 may be provided in the center of the valve body 21 to drive the movement of the valve element 22, as will be described in detail below.

The driving mechanism 3 comprises a base 31, a first driving motor 32, a driving gear 33, a driven gear 34 and a second driving motor 35; the driving gear 33 is connected to an output shaft of the first driving motor 32; a driven gear 34 rotatably connected to the base 31 and engaged with the driving gear 33; the second driving motor 35 is fixedly connected to the driven gear 34, and an output shaft of the second driving motor 35 extends in a radial direction of the driven gear 34 and is operable to telescope in the radial direction of the driven gear 34. The driving gear 33 is driven by the first driving motor 32 to rotate, and the driving gear 33 drives the driven gear 34 to rotate, so that the position of the second driving motor 35 is continuously moved, and further different external components are driven to move.

As shown in fig. 10 to 12, the driven gear 34 has a circular ring body 341, and a side of the circular ring body 341 close to the center is defined as an inner side of the circular ring body 341, a side of the circular ring body 341 far from the center is defined as an outer side of the circular ring body 341, an upper end of the circular ring body 341 is a top, and a lower end thereof is a bottom; the teeth of the driven gear 34 are circumferentially distributed along the top of the circular ring main body 341, the driving gear 33 is disposed at the top end of the top of the circular ring main body 341 and rotates along the direction perpendicular to the top of the circular ring main body 341, and the teeth of the driving gear 33 are perpendicular to the teeth of the driven gear 34 and disposed at the upper end of the teeth of the driven gear 34. Specifically, the driving gear 33 rotates in the vertical direction, and the driven gear 34 rotates along the base 31.

Alternatively, the driven gear 34 may be disposed outside the circular ring body 341, the driving gear 33 is disposed to rotate in a horizontal direction matching with the driven gear 34, and the driving gear 33 may also drive the driven gear 34 to rotate along the base 31. It can be understood that the driven gear 34 can also be disposed at the bottom of the circular ring main body 341, the driving gear 33 can be disposed at the bottom of the corresponding circular ring main body 341, the disposed position of the driven gear 34 is not limited, and can be disposed at the circumferential direction of the top or other positions of the top, or can be disposed at any position of the upper end or the lower end of the outer side of the circular ring main body 341, and only the driven gear 34 needs to rotate along the base 31 to drive the second driving motor 35 to move.

Second driving motor 35 sets up on ring main body 341 and moves along with ring main body 341's rotation, ring main body 341's the outside is equipped with inside sunken drive groove, second driving motor 35 sets up in the drive groove, the shape of drive groove is unrestricted, in the embodiment shown in fig. 11a, the drive groove is circular shape recess, in the embodiment shown in fig. 11b, be equipped with the installation department on the second driving motor 35, the shape of installation department sets up in the one side that is close to ring main body 341 for the rhombus, the both sides of installation department are equipped with the screw hole, the recess of drive groove matching installation department is in order to make things convenient for the installation department to install into the drive groove, the cross-section is the recess of rhombus promptly, can will install in the drive groove through the bolt. The output shaft of the second driving motor 35 is disposed toward the outer side of the circular ring main body 341, and the second driving motor 35 can drive the output shaft to extend and contract to the outer side of the circular ring main body 341. It is understood that the position of the second driving motor 35 can be adjusted according to the requirement, such as being disposed at any position outside the circular ring main body 341 or at the bottom of the circular ring main body 341. Optionally, the driving groove is disposed at a position close to the top of the outer side of the circular ring main body 341, the upper end of the driving groove separates the driven gear 34 at the top of the circular ring main body 341, a gap is formed at the top of the driving groove by the teeth of the driven gear 34, so that the moving direction of the driving gear 33 driven by the first driving motor 32 is continuously changed, the moving direction of the driven gear 34 is also continuously changed, and the clockwise rotation returns to the gap again. In addition, the number of the second driving motors 35 can be adjusted, a plurality of second driving motors 35 can be arranged on the circular ring main body 341 at the same time, and each second driving motor 35 drives different components to move.

An output shaft of the second driving motor 35 is a driving rod 351, and one end of the driving rod 351 far away from the second driving motor 35 is in an arc shape. It will be appreciated that the shape and size of the drive rod 351 may be adjusted according to the components that need to be driven, without limitation.

The driving mechanism 3 is disposed in the above-mentioned valve 2, as shown in fig. 12, the first driving motor 32 is fixed on the top of the valve body 21, the base 31 is disposed at the center position in the ring of the valve body 21, the driven gear 34 is disposed in the ring of the valve body 21 and the reset member 23, the output shaft of the second driving motor 35 is disposed in the shape matching the valve core 22, the output shaft of the second driving motor 35 is disposed at the other end of the valve core 22 and can drive the valve core 22 to seal or open the outlet 212, and by continuously rotating the driven gear 34, the second driving motor 35 can drive different valve cores 22 to move, thereby realizing the opening or closing of the valve core 22.

Further, the second driving motor 35 is configured to drive the spool 22 to move to the second section core 222, wherein one end of the second section core is located in the second section flow passage 2112, and the other end of the second section core is located in the outlet 212, and it can be understood that the telescopic displacement of the output shaft of the second driving motor 35 can be adjusted according to the positions of the spool 22 and the outlet 212, and it is required to ensure that the spool 22 opens and closes the outlet 212.

Further, the second driving motor 35 is configured to drive the first core 221 to compress the spring and move toward the valve body 21, and the driving force of the second driving motor 35 is greater than the pushing force of the spring, so that the valve core 22 compresses the spring and moves.

Alternatively, when a plurality of second driving motors 35 are provided on the ring-shaped body 111, a plurality of valve elements 22 may be simultaneously driven to be opened or closed.

The flow channel plate 4 is annular, and the top of the flow channel plate 4 is provided with at least one non-closed annular flow channel 41 formed by being recessed downwards relative to the top surface and at least one test pit 42, and the test pit 42 is communicated with the annular flow channel 41. It is understood that a plurality of annular flow passages may be provided on the flow passage plate 4, different annular flow passages 41 may have different widths and depths to easily accommodate liquids of various concentrations, and in addition, the position of the test pit 42 may be individually communicated with each annular flow passage 41, or a plurality of annular flow passages 41 may be connected with different test pits.

The annular flow channel 41 may be closed, but a barrier member is required to be disposed on the annular flow channel 41 to prevent the liquid from circulating, in the embodiment shown in fig. 13a-16, the annular flow channel 41 is non-closed and includes a first flow channel 411 and a second flow channel 412, the end of the first flow channel 411 is provided with a bent portion 413 bent with a certain curvature, and one end of the second flow channel 412 is communicated with the bent portion 413; the test pit 42 is disposed on the second flow channel 412, and when the liquid flows into the second flow channel 412 through the first flow channel 411, the liquid passes through the bent portion 413, and the bent portion 413 can form a vortex to generate a larger fluidity, so that the liquid can more easily enter the test pit 42, it can be understood that the bent portion 413 can be bent toward the center of the flow channel of the annular flow channel 41, or can be bent toward the center away from the annular flow channel 41, in the embodiment shown in fig. 13-16, the bent portion 413 is bent toward the center near the annular flow channel 41, and the second flow channel 412 deviates from the curvature of the first flow channel 411 and is close to the center of the annular flow channel 41.

Alternatively, the top of both sides of the annular flow channel 41 is provided with a step 43 recessed downward to install the sealing member 44, specifically, the step 43 extends to the top end of the test pit 42 and the outflow channel along the flow channel direction of the annular flow channel 41, the shape of the sealing member 44 and the step to the top of the flow channel plate 4 are matched, the sealing member 44 can be installed on the step and slightly protrudes from the top of the flow channel plate 4, when the flow channel plate 4 is installed at the lower end of the valve body 21, the sealing member 43 can make the flow channel plate 4 and the valve body 21 tightly fit and make the annular flow channel 41 in a sealing state.

The arc length of the annular flow channel 41 can be adjusted according to needs, and the width and the depth are preferably 0.5-1.0 mm. In addition, in order to increase the flowing property and cleanability of the annular flow passage 41, a smooth coating, preferably Polytetrafluoroethylene (PTFE), may be provided on the inner wall and the bottom of the annular flow passage 41, in the embodiment of fig. 13 to 16, the annular flow passage 41 extends nearly along the entire flow passage plate 4, one end of the second flow passage 412 is communicated with the bending part 413, the other end is provided with a liquid outlet end, and the liquid outlet end and the end of the first flow passage 411 are blocked to form a non-closed ring. The liquid outlet end is connected to the liquid outlet channel 414 of the flow channel plate 4, and specifically, a bending portion 413 may be disposed between the liquid outlet end and the second flow channel 412 to increase the liquid in the second flow channel 412 to flow into the liquid outlet end, in the embodiment shown in fig. 13, the second flow channel 412 is bent toward the outer side of the flow channel plate 4, and the liquid outlet end is located at an end of the bending portion 413 away from the second flow channel 412.

An inwardly concave liquid outlet channel 414 is disposed on the outer side of the flow channel plate 4, one end of the liquid outlet channel 414 disposed on the outer side of the flow channel plate 4 is a liquid outlet, and the other end is disposed at the bottom of the liquid outlet end and is communicated with the liquid outlet end, in the embodiment shown in fig. 13, the liquid outlet slightly protrudes from the outer side of the flow channel plate 4 and is connected with a sewage conduit 416, and the liquid in the annular flow channel 41 can flow out through the sewage conduit 416. Specifically, one end of the liquid outlet channel 414 is communicated with the annular flow channel 41, the other end is communicated with the sewage discharge pipeline 416, and the included angle 4161 between the sewage discharge pipeline and the liquid outlet pipeline is within the range of 100-135 degrees and is connected through an arc pipeline, which can facilitate the smooth discharge of sewage in the annular flow channel 41 and can not cause pressure accumulation in the liquid outlet channel 414. The shell 10 is provided with a sewage outlet 102, the sewage outlet 102 is communicated with a sewage pipeline 416, specifically, a plastic pipe 103 is arranged in the sewage outlet 102, the plastic pipe 103 can also be a silicone pipe, the plastic pipe 103 is connected to the sewage outlet 102 in a sealing manner, one end of the plastic pipe extends out of the sewage outlet 102, namely, the shell 10 is outside, the other end of the plastic pipe is communicated with the sewage pipeline 416, and the sewage pipeline 416 can be sleeved outside the plastic pipe 103. Further, the included angle 4162 between the sewage discharge pipe and the sewage discharge outlet is also in the range of 100-135 degrees and is connected through an arc pipe to facilitate the sewage in the sewage discharge pipe 416 to smoothly discharge out of the casing 10 through the plastic pipe 103, and the whole sewage discharge pipe 416 is an arc-shaped curve and bypasses the annular reagent kit 1, and the sewage flows out through the sewage discharge pipe 416 after passing through the arc-shaped curve which is bent for several times.

Further, the sewage draining pipe 416 is circular and has a diameter of preferably 0.5mm, it is understood that the diameter of the sewage draining pipe may be slightly larger or smaller than 0.5mm, and the material of the discharging pipe 416 may be a hose or a rigid material, preferably a silicone tube. The drain 416 also has a smooth coating, preferably polytetrafluoroethylene, disposed therein to facilitate drainage of the waste water. Blowdown pipe 416 detachably connects in casing 10, specifically, is equipped with the buckle on the inferior valve of casing 10, and the buckle includes the snap ring, and blowdown pipe 416 can pass through the snap ring and connect in the inferior valve, can also buckle through the snap ring and be certain shape. It will be appreciated that the waste pipe 416 may also be connected to the lower shell by other means, without limitation.

In another embodiment, a control valve is also provided in the outlet channel 414, which is defined as a third control valve, and the third control valve is a one-way valve to make the liquid in the annular flow passage 41 only flow into the drainage pipe 416 in one direction, and to limit the liquid in the drainage pipe 416 to return to the annular flow passage 41 again, when the urine test apparatus is in a dormant state or is being tested, the control device can control the third control valve to close, on one hand, to make the annular flow passage in a closed space for testing, and on the other hand, to close one end of the outlet channel to prevent the sewage at the drainage outlet on the housing from entering the drainage pipe.

In the embodiment shown in fig. 13a to 16, there may be a plurality of or a single test pits 42, where the number of the test pits 42 is 3, and the test pits 42 are disposed on the second flow channel 412 of the annular flow channel 41 at intervals, the shape of the test pits 42 is not limited, and the size may be adjusted according to the amount of the reagent required for the test, and in addition, the depth of the test pits 42 is not too deep for convenience, preferably 1.0mm, and it can be understood that the test pits need to be slightly deeper than the depth of the annular flow channel, so as to facilitate the collection of the reagent in the test pits for testing.

The bottom of the flow field plate 4 is recessed inward toward the position of the test pit 42 to form a mounting groove 415 for mounting the light source device 81 in the detection device, as shown in fig. 15-16, the mounting groove 415 corresponds to the bottom of the test pit 42 for mounting the photosensitive sensor 82 in the photosensitive detection device 8, the bottom of the test pit 42 needs to be a transparent material, such as transparent glass, and the photosensitive sensor 82 detects the liquid in the test pit 42 through the transparent material. Preferably, the inner diameter of the mounting groove 415 is slightly larger than the inner diameter of the test pit 42 to detect the liquid of the test pit 42 in its entirety. The shape of the mounting groove 415 is not limited and may be adjusted according to the shape of the photosensor 82.

The urine analyzer 100 further comprises a water inlet pipeline 71, the water inlet pipeline 71 also comprises a first section of water inlet pipeline 71 and a second section of water inlet pipeline 71, one end of the first section of water inlet pipeline 71 is connected with the inlet 61 of the peristaltic pump, the other end of the first section of water inlet pipeline 71 can be directly communicated with an external water pipe for receiving clean water, one end of the second section of water inlet pipeline 71 is connected with the outlet 62 of the peristaltic pump, and the other end of the second section of water inlet pipeline 71 is connected with the cleaning inlet 213; further, the urine test instrument 100 further comprises a water storage container 72, and the water storage container 72 is communicated with the first section of water inlet pipe 71 for storing clean water.

The urine analyzer 100 further comprises an air channel 73, the air channel 73 also comprises a first section of air channel 73 and a second section of air channel 73, one end of the first section of air channel 73 is communicated with the outlet 62 of the pump 6, and the other end receives external air; one end of the second segment of the air channel pipeline 73 is communicated with the outlet 62 of the peristaltic pump, and the other end is communicated with the air vent 215.

The pump 6 of the present invention is preferably a peristaltic pump 6, as shown in fig. 17, 18 and 19, the peristaltic pump 6 having an inlet 61 and an outlet 62, the peristaltic pump further having a hose disposed therein, the hose being squeezed to drive an air or liquid flow path; specifically, a first control valve is arranged upstream of an inlet 61 of the peristaltic pump and is configured to selectively open the sampling pipeline 51, the water inlet pipeline 71 or the gas pipeline 73, a second control valve is arranged downstream of an outlet 62 of the peristaltic pump and is configured to selectively open the sample inlet 214, the cleaning inlet 213 or the vent 215, specifically, when sampling is required, the first control valve communicates the inlet 61 of the peristaltic pump with the first section of sampling pipeline 51, the second control valve communicates the outlet 62 of the peristaltic pump with the second section of sampling pipeline 51, and at this time, the control device 9 controls the valve of the sample inlet 214 to open and controls the valve of the liquid outlet pipeline to close; when cleaning is needed, the first control valve switches the inlet 61 of the peristaltic pump to the first section of the water inlet pipeline 71, the second control valve enables the outlet 62 of the peristaltic pump to be communicated with the second section of the water inlet pipeline 71, and the control device 9 controls the valve of the cleaning inlet 213 to be opened and controls the valve of the liquid outlet channel 414 to be closed; when ventilation or air suction is needed, the first control valve communicates the inlet 61 of the peristaltic pump with the first section of the air channel 73, the second control valve communicates the outlet 62 of the peristaltic pump with the outlet 62 of the peristaltic pump, and when air in the flow channel plate 4 needs to be discharged, the valves of the sample inlet 214, the vent 215 and the liquid outlet channel 414 are all closed; when the ventilation is needed to drive the sewage in the runner plate 4 to be discharged, the control device 9 controls the valve of the liquid outlet channel 414 to be opened. Optionally, the first control valve and the second control valve are both solenoid valves.

The urine test apparatus 100 further includes a housing 10, as shown in fig. 20, the housing 10 having a housing space to house the pump 6, the sampling device 5, the detection device, the valve 2, the drive mechanism 3, and the control device 9. Specifically, the housing 10 has an upper shell and a lower shell, the upper shell and the lower shell are detachably and hermetically connected to form a closed space, the lower shell is fixedly arranged on the inner wall of the toilet, the upper shell is provided with at least one urine inlet 101, the urine inlet 101 is communicated with the sampling pipeline 51, and specifically, the urine inlet 101 is communicated with the first section of sampling pipeline 51 to receive urine; the upper shell or the lower shell is also provided with a ventilation inlet and is communicated with a first section of air channel pipeline 73; the housing 10 is further provided with a sewage outlet, which is disposed at the upper shell or at the junction of the upper and lower shells to facilitate passage of a sewage conduit 416.

The urine test instrument 100 further comprises a temperature sensor which is arranged on the housing 10 and electrically connected with the control device 9, specifically, the temperature sensor is arranged inside the upper shell or outside the upper shell to sense the temperature so as to start the urine test instrument 100, preferably, the temperature sensor is arranged outside the upper shell to sense the urine temperature more accurately, the temperature sensor sends a signal to the control device 9, and the control device 9 starts the whole urine test instrument 100 to operate.

The urine test instrument 100 further comprises an indicator light for displaying the working state of the urine test instrument 100, the indicator light can be one or more, can be arranged on the upper shell or at other positions of the shell 10, and only needs to be ensured to be easily seen.

The control device 9 includes a plurality of circuit boards, which are connected to the pump 6, the first control valve, the second control valve, the third control valve, the temperature sensor, the brightness sensor, the indicator light, the detection device, the drive mechanism 3, and the like, respectively, and can control the operations of these devices. Specifically, urine flows through the upper shell, the temperature sensor senses temperature and sends a signal to the control device 9, the control device 9 controls the driving mechanism 3 to drive the electric core to open the outlet 212, then controls the first control valve and the second control valve to discharge air in the flow channel plate 4 through the air channel pipeline 73, so that the reagent flows into the flow channel plate 4 through the outlet 212, and then controls the pump 6 to drive the air channel pipeline 73 to enter the flow channel plate 4 to drive the reagent to flow into the test pit 42; the control device 9 controls the first control valve and the second control valve to connect the pump 6 to the sampling pipeline 51 and drive urine to enter the test pit 42 of the runner plate 4 through the sampling pipeline 51; the control device 9 starts the detection module 8 to operate; after the test is finished, the control device 9 controls the first control valve and the second control valve to open the water inlet pipeline 71, controls the pump 6 to drive water to enter the runner plate 4 for cleaning, and controls the third control valve to open at the same time so as to facilitate the discharge of the cleaned sewage through the sewage discharge pipeline 416. When the urine test apparatus 100 is started, the control device 9 can control the indicator lamp to be started to display the operation of the whole apparatus.

The detection module 8 is a photosensitive detection device, the photosensitive detection device includes a light source device 81 and a photosensitive sensor 82, the light source device 81 is an LED light, the light source device 81 and the photosensitive sensor 82 are respectively disposed at corresponding positions of the test pit 42 on the flow channel plate 4, specifically, the light source device 81 is disposed in a mounting groove 415 at the bottom of the flow channel plate 4, the top of the mounting groove 415 corresponds to the test pit 42, the top of the mounting groove 415 is made of a transparent material and can transmit light, and the LED light is mounted in the mounting groove 415 to generate a light source to use the photosensitive sensor 82; the photosensitive sensor 82 is arranged in the detection device installation groove 216 of the valve body 21, the valve body 21 is connected behind the runner plate 4, the detection device installation groove 216 is located right at the upper end of the test pit 42 and can receive a light source formed by irradiating the mixed liquid of urine and reagent by an LED for detection, understandably, the LED and the like can also be arranged at the side part of the test pit 42, the photosensitive sensor 82 is arranged at the opposite side part of the test pit 42, the periphery of the side part of the test pit 42 is made of transparent materials, and the photosensitive sensor 82 can also receive the LED light source; the LED light can be arranged at the top of the test pit 42, and the photosensitive sensor 82 is arranged at the bottom of the test pit 42, so that the detection purpose can be realized; the LED, etc. and the photosensitive sensor 82 are positioned in a variety of ways without limitation. It is understood that the light sensor 82 and the LED are connected to the external device and control device 9, after urine and reagent flow in the test pit 42, the control device 9 controls the LED and the light sensor 82 to be turned on, and after the detection is finished, the control device 9 controls the LED and the light sensor 82 to be turned off and transmits data to the external device.

The sampling device 5 comprises a sampling pipeline 51, the sampling pipeline 51 is divided into a first section of sampling pipeline 51 and a second section of sampling pipeline 51, wherein one end of the first section of sampling pipeline 51 is communicated with an inlet 61 of the peristaltic pump, and the other end of the first section of sampling pipeline 51 is used for receiving urine; one end of the second section of sampling pipeline 51 is communicated with the outlet 62 of the peristaltic pump, and the other end is communicated with the sample inlet 214 of the valve body 21; the peristaltic pump 6 forms negative pressure in the sampling pipeline 51 through exhausting, so that urine is absorbed and enters the first section of sampling pipeline 51, receiving of the urine can be driven, and the urine can be driven to enter the second section of sampling pipeline 51 and enter the annular flow channel 41 through the sample inlet 214.

Further, the sampling device 5 further comprises a sample container 52, the sample container 52 is communicated with the first section of sampling pipeline 51, and the driving pump 6 can drive urine to flow into the sample container 52 first and then drive quantitative urine to flow into the annular channel; optionally, a filter is also provided in the sample container 52, and urine is filtered before entering the sample container 52 to prevent other solid matter from entering the annular flow passage 41 and interfering with the test.

In the embodiment shown in fig. 17 and 18, the reagent cartridge 1 of the urine test apparatus 100 is ring-shaped, the valve 2 and the driving mechanism 3 are sequentially installed in the ring of the reagent cartridge 1, wherein the valve body 21 is installed in the inner ring of the ring-shaped main body, the valve core 22 is installed in the main flow passage 211 of the valve body 21, the outer end 2202 of the valve core extends out of the inner side 2102 of the valve body 21, the driving mechanism 3 is installed in the ring of the valve body 21, wherein the first driving motor 32 is installed on the top of the valve body 21, the driven gear 34 and the second driving motor 35 are installed on the center of the valve body 21, the driving rod 351 of the second driving motor 35 can drive the valve core 22 to move, specifically, the first driving motor 32 drives the driving gear 33 and drives the driven gear 34 to rotate, the first driving motor 32 is set to rotate for a certain angle and stay for a certain time, understandably, the angle of rotation and the stay position are matched with the distance of each valve core 22, the residence time is designed according to the outflow amount and outflow speed of the reagent in the reagent cartridge 1 and the valve core 22 driven by the second driving motor 35. When the output shaft of the second driving mechanism 3 rotates to the valve core 22 corresponding to the reagent capsule 12 to be opened along with the driven gear 34, the second driving mechanism 3 drives the output shaft to extend out of the driven gear 34 and push the valve core 22 to move towards the valve body 21, it can be understood that the telescopic length of the output shaft also needs to be determined according to the positions of the second section core 222 and the outflow port 212 of the valve core 22, it needs to be ensured that one end of the second section core 222 of the valve core 22 is located in the second section flow channel 2112, the other end is located in the outflow port 212, after the reagent of the reagent kit 1 flows out through the outflow port 212, the second driving motor 35 retracts, the resetting piece 23 drives the valve core 22 to move towards the direction away from the valve body 21, the inner end 2201 of the valve core blocks the first section flow channel 2111 and the outflow port 212, and the outflow port 212 is closed.

The bottom of flow channel plate 4 installation and valve body 21, flow channel plate 4 and valve body 21 closely cooperate, can understand, can weld flow channel plate 4 or screwed connection and valve body 21 on, also can pass through other modes fixed connection, the connected mode is unrestricted, only need guarantee flow channel plate 4 the top with valve body 21 closed be connected can, in the embodiment of fig. 17, flow channel plate 4 valve body 21 passes through screwed connection. The valve body 21 is provided with a plurality of outflow ports 212, one ends of the outflow ports 212 are respectively communicated with the inner walls of the main flow channels 211, the other ends of the outflow ports correspond to the annular flow channel 41 of the flow channel plate 4 at the bottom of the valve body 21, the valve body 21 is further provided with a cleaning inlet 213, a sample inlet 214 and a vent 215 which are communicated with the annular flow channel 41, wherein urine can flow into the annular flow channel 41 through the sample inlet 214, clean water can flow into the annular flow channel 41 through the cleaning inlet 213, and air enters the annular flow channel 41 through the vent 215.

The reagent in the reagent kit 1 can flow into the annular channel 41 through the main flow channel 211 of the valve body 21 and the outflow port 212, because the flow channel plate 4 is connected with the valve body 21 in a closed manner, the valve body 21 is also connected with the mounting plate 11 in a closed manner, after the valve core 22 is driven by the driving mechanism 3 to open the outflow port 212, the air in the annular track is sucked away by the pump 6 through the vent 215, so that negative pressure states are formed in the annular track 41 and the second section flow channel 2112, and the reagent in the reagent kit 1 can be sucked into the annular track under the influence of the negative pressure, so that the cleaning inlet 213, the sample inlet 214 and the liquid outlet channel 414 are closed at this time, and only the vent 215 is left to be opened to discharge the air in the annular channel 41. Valves, which can be control valves or other valves, are arranged in the sample inlet 214, the cleaning inlet 213, the vent 215 and the liquid outlet channel 414, and are connected to the control device 9 and controlled by the control device 9 to operate, for example, when urine needs to be input into the annular flow channel 41, the valve of the sample inlet 214 is opened, the valves of the cleaning inlet 213 and the vent 215 can be opened or closed without being affected, and the valve of the liquid outlet channel 414 must be in a closed state to prevent the liquid from directly flowing out without being tested; liquid enters the annular flow channel 41, air is input by opening the vent 215 to drive urine to flow into the test pit 42, and the cleaning inlet 213 and the sample inlet 214 also need to be closed; after the cleaning is needed, the cleaning inlet 213 is opened, the liquid outlet channel 414 is also opened, and the water enters the annular flow channel 41 and flows out of the whole device through the liquid outlet channel 414 for cleaning.

In the embodiment of fig. 18, the difference is that in 17 the reagent capsule 12 is directly connected to the outflow 113, the annular body 111 of the mounting plate 11 is cylindrical, as in fig. 2d, and the other operating principle is the same as in fig. 17.

The invention also relates to a urine test method, which comprises the following steps:

s1, the temperature sensor senses the urine temperature and sends a signal to the control device 9, and the urine test instrument 100 is started.

S2, the control device 9 controls the first control valve and the second control valve to communicate the air channel 73 with the pump 6, controls the third control valve to close the sewage discharge channel 416, and the pump 6 drives the air channel 73 to suck out air in the annular channel and enable the annular channel to form a negative pressure state; the control device 9 controls the driving mechanism 3 to drive the valve core 22 to open the outlet 212, and air and liquid in the reagent cartridge 1 flow into the annular channel;

it can be understood that the control device 9 can control the pump 6 and the driving mechanism 3 to operate simultaneously, or control the pump 6 to suck air out of the flow channel plate 4 first, then control the driving mechanism 3 to drive the valve plug 22 to open the outlet 212, or control the driving mechanism 3 to drive the valve plug 22 to open the outlet 212 first, then control the pump 6 to start, without affecting the sequence.

It will be appreciated that when the first control valve communicates the air channel 73 to the pump 6, the control device 9 simultaneously controls the valve in the air inlet to open, and the valves of the sample inlet 214 and the purge inlet 213 to close to form a closed space to prevent air from being discharged from the sample inlet 214 and the purge inlet 213.

Alternatively, the control device 9 may control the first control valve to open the sampling pipe 51, the pump 6 drives the sampling pipe 51 to suck urine in the toilet bowl into the sample container 52, impurities in the urine are filtered in the sample container 52, and then the control device 9 controls the pump 6 to drive the urine from the sample container 52 into the flow channel plate 4.

Alternatively, the control device 9 controls the first control valve to open the water inlet pipe 71, the pump 6 drives the water inlet pipe 71 to suck water into the water storage container 72, and when cleaning is needed, the pump 6 drives the water in the water storage container 72 to flow into the flow channel plate 4.

S3, the control device 9 controls the first control valve and the second control valve to connect the sampling pipeline 51 to the pump 6, and the control device 9 controls the pump 6 to drive a fixed amount of urine to flow into the test pit 42 of the annular channel from the sample container 52; it will be appreciated that with tubing connected to the pump 6, the valves in the inlet 214 are open to facilitate the flow of urine into the flow field plate 4, and the valves in the wash inlet 213 and vent 215 may be either open or closed.

S4, the control device 9 drives the detection device to start.

S5, the control device 9 controls the first control valve and the second control valve to communicate the water inlet pipe 71 with the pump 6, controls the third control valve to open the sewage discharge pipe 416, and the pump 6 drives the water in the water storage container 72 to enter the annular passage to flush the annular passage and the test pit 42 and flow out through the sewage discharge pipe 416. When it is desired to clean the flow channel plate 4, the control device 9 simultaneously drives the valve of the cleaning inlet 213 open to facilitate the flow of water from the water inlet conduit 71 into the flow channel plate 4.

The urine test instrument 100 can test various components of urine, the reagent kit 1 is provided with various reagent capsules 12 which can contain different reagents, the components to be tested are different according to the needs, the test can be carried out for multiple times, the reagent required by each test is different, the driving mechanism 3 opens different reagent kits 1 according to the needs, and other steps are consistent with the steps.

While the preferred embodiments of the present invention have been illustrated and described in detail, it should be understood that various changes and modifications of the invention can be effected therein by those skilled in the art after reading the above teachings of the invention. Such equivalents are intended to fall within the scope of the claims appended hereto.