阅读说明：本技术 一种准确性较高且小巧的排水雷达流量计 (High and small-size drainage radar flowmeter of accuracy ) 是由 陈德莉 曾波 朱世平 于 2021-07-08 设计创作，主要内容包括：本发明涉及一种准确性较高且小巧的排水雷达流量计,包括下盖,所述下盖的顶面为敞口,下盖的内部设置有空腔,所述空腔内安装有固定支架,所述固定支架上通过紧固件安装有雷达测速板组,所述雷达测速板组倾斜安装,所述雷达测速板组一旁的下盖上通过紧固件安装有雷达水位板组,所述雷达水位板组通过排线与雷达测速板组连接,所述下盖的顶面通过密封垫安装有上盖；所述下盖的一端还通过防水接头连接通讯线缆。本发明结构紧凑、合理,操作方便,通过在上盖和下盖之间配合安装雷达水位板组、雷达流速板组、换能器,成为高度集成流量计,满足使用要求,尤其适用于小管径的管道中,大大提高了流量计的工作可靠性和使用灵活性。(The invention relates to a high-accuracy and small-size drainage radar flowmeter which comprises a lower cover, wherein the top surface of the lower cover is open, a cavity is arranged in the lower cover, a fixed support is arranged in the cavity, a radar speed measuring plate group is arranged on the fixed support through a fastener, the radar speed measuring plate group is obliquely arranged, a radar water level plate group is arranged on the lower cover beside the radar speed measuring plate group through the fastener, the radar water level plate group is connected with the radar speed measuring plate group through a flat cable, and an upper cover is arranged on the top surface of the lower cover through a sealing gasket; one end of the lower cover is also connected with a communication cable through a waterproof connector. The invention has compact and reasonable structure and convenient operation, becomes a highly integrated flowmeter by matching and installing the radar water level plate group, the radar flow velocity plate group and the transducer between the upper cover and the lower cover, meets the use requirement, is particularly suitable for pipelines with small pipe diameters, and greatly improves the working reliability and the use flexibility of the flowmeter.)

1. The utility model provides a higher and small and exquisite drainage radar flowmeter of accuracy which characterized in that: the device comprises a lower cover (6), wherein the top surface of the lower cover (6) is open, a cavity is arranged in the lower cover (6), a fixed support (5) is arranged in the cavity, a radar speed measuring plate group (4) is arranged on the fixed support (5) through a fastener, the radar speed measuring plate group (4) is installed in an inclined mode, a radar water level plate group (3) is arranged on the lower cover (6) beside the radar speed measuring plate group (4) through the fastener, the radar water level plate group (3) is connected with the radar speed measuring plate group (4) through a flat cable, and an upper cover (1) is arranged on the top surface of the lower cover (6) through a sealing gasket (2); one end of the lower cover (6) is also connected with a communication cable (9) through a waterproof connector (8).

2. A radar flowmeter for water discharge with high accuracy and small size as claimed in claim 1, wherein: a label groove (102) is formed in the top surface of the upper cover (1), and a plurality of first threaded holes (101) are formed in the top surface of the upper cover (1) on the periphery of the label groove (102); the bottom surface circumferential direction of upper cover (1) is provided with sealed slot (103) and a plurality of second screw hole (104), install sealed pad (2) in sealed slot (103).

3. A radar flowmeter for water discharge with high accuracy and small size as claimed in claim 1, wherein: four corners of the radar water level plate group (3) are respectively provided with a fixing hole (301), and the upper surface of the radar water level plate group (3) is provided with a one-number communication interface (302).

4. A radar flowmeter for water discharge with high accuracy and small size as claimed in claim 1, wherein: the radar speed measuring plate set (4) is of a double-layer structure, one end of the upper surface of the radar speed measuring plate set (4) is provided with a second communication interface (401), the other end of the upper surface of the radar speed measuring plate set is provided with a third communication interface (402), and four corners of the radar speed measuring plate set (4) are respectively provided with mounting holes (403) connected with the fixing support (5).

5. A radar flowmeter for water discharge with high accuracy and small size as claimed in claim 1, wherein: the fixing support (5) is of a quadrilateral structure, bosses (501) are arranged at the bottoms of two sides, the bosses (501) press the radar speed measuring plate group (4), mounting grooves (502) are respectively arranged at four corners of the fixing support (5), and a screw column hole (503) is formed beside each mounting groove (502).

6. A radar flowmeter for water discharge with high accuracy and small size as claimed in claim 1, wherein: a frame wall (601) is arranged at an opening of the top surface of the lower cover (6), a pressing rib (610) is arranged on the top surface of the frame wall (601), a small screw hole (602) for installing a radar water level plate group (3) is formed in one end of the interior of a cavity of the lower cover (6), an inclined plane (606) is formed in the other end of the interior of the cavity of the lower cover, and a threaded column hole (605) for installing a fixed support (5) is formed in the interior of the inclined plane (606), so that the fixed support (5), the radar speed measuring plate group (4) and the lower cover (6) are integrated; a plurality of large stud holes (603) are formed in the whole periphery of the top surface of the lower cover (6), the large stud holes (603) are matched with the upper cover (1), a cavity (608) is formed in the lower cover (6) beside the inclined surface (606), and a connecting hole (609) is formed beside the cavity (608); the inclined plane (606) is parallel to the radar speed measuring board group (4).

7. A radar flowmeter for water discharge with high accuracy and small size as claimed in claim 5, wherein: an ellipsoid (604) is further arranged on the lower cover (6), and the center of the ellipsoid (604) is overlapped with the center of the radar water level plate group (3).

8. A radar flowmeter for water discharge with high accuracy and small size as claimed in claim 5, wherein: the bottom of the lower cover (6) is also provided with a round hole (607) for installing the transducer (7).

9. A radar flowmeter for water discharge with high accuracy and small size as claimed in claim 5, wherein: the cavity (608) is filled with epoxy.

10. A radar flowmeter for water discharge with high accuracy and small size as claimed in claim 5, wherein: the cross section of the press rib (610) is in a triangular structure.

Technical Field

The invention relates to the technical field of flow meter equipment, in particular to a small and exquisite drainage radar flow meter with high accuracy.

Background

At present, the monitoring equipment for water in urban pipe networks mainly comprises contact type and non-contact type. The water quality in the urban pipe network is complex, particularly sewage pipelines are often accompanied by sundry garbage and the like, the common contact type measuring equipment needs frequent maintenance and has high maintenance cost, and the sundry garbage can easily influence the accuracy of measured data; the non-contact measuring equipment can be used for avoiding the influence of sundry garbage on the measurement accuracy, but the non-contact measuring equipment has the defects of self, the water volume in the pipeline can be always in a full-pipe state, the non-contact measuring equipment can not obtain accurate measurement data when the pipeline is full, the measuring equipment systems are usually presented in the modes of an independent water level meter, an independent current meter or a relatively large integrated system, and then the flow function in the pipeline is obtained through calculation and the like.

Disclosure of Invention

The applicant aims at the defects in the prior art and provides a small and high-accuracy radar drainage flowmeter, the flow is obtained through a series of algorithms according to the measured water level and flow speed data, the radar can measure the accurate flow of the flowing water in the pipe of the equipment in a non-submerged state, the transducer can measure the accurate flow of the flowing water in the pipe of the equipment in a submerged state, the radar can be suitable for the pipeline with a small pipe diameter, the working reliability is greatly improved, and the use requirement is met.

The technical scheme adopted by the invention is as follows:

a high-accuracy and small-size drainage radar flowmeter comprises a lower cover, wherein the top surface of the lower cover is open, a cavity is formed in the lower cover, a fixed support is installed in the cavity, a radar speed measuring plate group is installed on the fixed support through a fastener, the radar speed measuring plate group is installed in an inclined mode, a radar water level plate group is installed on the lower cover beside the radar speed measuring plate group through a fastener, the radar water level plate group is connected with the radar speed measuring plate group through a flat cable, and an upper cover is installed on the top surface of the lower cover through a sealing gasket; one end of the lower cover is also connected with a communication cable through a waterproof connector.

The further technical scheme is as follows:

the top surface of the upper cover is provided with a label groove, and the top surface of the upper cover at the periphery of the label groove is provided with a plurality of first threaded holes; the bottom surface circumferential direction of upper cover is provided with sealed slot and a plurality of second screw hole, sealed inslot installation is sealed up.

Four corners of the radar water level plate group are respectively provided with a fixed hole, and the upper surface of the radar water level plate group is provided with a one-number communication interface.

The radar speed measuring plate group is of a double-layer structure, one end of the upper surface of the radar speed measuring plate group is provided with a second communication interface, the other end of the upper surface of the radar speed measuring plate group is provided with a third communication interface, and four corners of the radar speed measuring plate group are respectively provided with a mounting hole connected with the fixed support.

The fixing support is of a quadrilateral structure, bosses are arranged at the bottoms of two sides, the bosses press the radar speed measuring plate group, mounting grooves are formed in four corners of the fixing support respectively, and a screw column hole is formed in one side of each mounting groove.

A frame wall is arranged at an open position of the top surface of the lower cover, a pressing rib is arranged on the top surface of the frame wall, a small screw hole for installing a radar water level plate group is formed in one end of the cavity of the lower cover, an inclined plane is formed in the other end of the cavity of the lower cover, and a threaded column hole for installing a fixing support is formed in the inclined plane, so that the fixing support, the radar speed measuring plate group and the lower cover are integrated; the whole periphery of lower cover top surface is provided with a plurality of big post holes, and big post hole and upper cover cooperation are provided with the cavity on the lower cover that is located inclined plane one side, and open one side of the cavity has the connecting hole.

The inclined plane is parallel to the radar speed measuring board group.

An ellipsoid is further arranged on the lower cover, and the center of the ellipsoid coincides with the center of the radar water level plate group.

The bottom of the lower cover is also provided with a round hole for installing the transducer.

The cavity is filled with epoxy resin.

The cross section of the pressing rib is of a triangular structure.

The invention has the following beneficial effects:

the invention has compact and reasonable structure and convenient operation, becomes a highly integrated flowmeter by matching and installing the radar water level plate group, the radar flow velocity plate group and the transducer between the upper cover and the lower cover, meets the use requirement, is particularly suitable for pipelines with small pipe diameters, and greatly improves the working reliability and the use flexibility of the flowmeter.

The invention effectively solves the problem of low measurement accuracy caused by large volume and low integration level in small pipe diameter.

The invention effectively solves the problem that the radar cannot be used for accurately measuring the flow when the water is submerged.

The invention effectively solves the problems that the traditional integration resistance is large, and the garbage is easy to hang and is not easy to clean.

The invention adopts an integrated structure, has small volume, small water resistance, high integration level, accurate measurement without blind area and more reliable waterproof function.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an exploded view of the present invention.

Fig. 3 is a front view (internal structure) of the present invention.

Fig. 4 is a schematic structural view of the upper cover of the present invention.

Fig. 5 is a schematic structural view of the upper cover of the present invention from another perspective.

Fig. 6 is a schematic structural view of the fixing bracket of the present invention.

Fig. 7 is a schematic structural view of another view angle of the fixing bracket of the present invention.

Fig. 8 is a schematic structural diagram of a radar tachometer panel set according to the present invention.

Fig. 9 is a schematic structural diagram of another view angle of the radar panel assembly of the present invention.

Fig. 10 is a schematic structural view of the lower cover of the present invention.

FIG. 11 is a schematic view of the lower cover of the present invention from another perspective.

Wherein: 1. an upper cover; 2. a gasket; 3. a radar level gauge set; 4. a radar speed measuring board group; 5. fixing a bracket; 6. a lower cover; 7. a transducer; 8. a waterproof joint; 9. a communication cable;

101. a first threaded hole; 102. a label slot; 103. sealing the groove; 104. a second threaded hole;

301. a fixing hole; 302. a one-number communication interface;

401. a second communication interface; 402. a third communication interface; 403. mounting holes;

501. a boss; 502. mounting grooves; 503. a screw post hole;

601. a frame wall; 602. a small stud hole; 603. a large stud hole; 604. an ellipsoid; 605. a threaded post hole; 606. a bevel; 607. a circular hole; 608. a cavity; 609. connecting holes; 610. and (6) ribbing.

Detailed Description

The following describes embodiments of the present invention with reference to the drawings.

As shown in fig. 1 to 11, the highly accurate and compact radar flowmeter for drainage of the present embodiment includes a lower cover 6, a top surface of the lower cover 6 is open, a cavity is formed inside the lower cover 6, a fixing bracket 5 is installed in the cavity, a radar velocity measuring plate group 4 is installed on the fixing bracket 5 through a fastener, the radar velocity measuring plate group 4 is installed in an inclined manner, a radar water level plate group 3 is installed on the lower cover 6 beside the radar velocity measuring plate group 4 through a fastener, the radar water level plate group 3 is connected with the radar velocity measuring plate group 4 through a flat cable, and an upper cover 1 is installed on the top surface of the lower cover 6 through a sealing gasket 2; one end of the lower cover 6 is also connected with a communication cable 9 through a waterproof joint 8.

A label groove 102 is formed in the top surface of the upper cover 1, and a plurality of first threaded holes 101 are formed in the top surface of the upper cover 1 at the periphery of the label groove 102; the bottom surface of the upper cover 1 is provided with a sealing groove 103 and a plurality of second threaded holes 104 in the circumferential direction, and the gasket 2 is installed in the sealing groove 103.

Four corners of the radar water level plate group 3 are respectively provided with a fixing hole 301, and the upper surface of the radar water level plate group 3 is provided with a one-number communication interface 302.

The radar speed measuring plate group 4 is of a double-layer structure, one end of the upper surface of the radar speed measuring plate group 4 is provided with a second communication interface 401, the other end of the upper surface of the radar speed measuring plate group 4 is provided with a third communication interface 402, and four corners of the radar speed measuring plate group 4 are respectively provided with a mounting hole 403 connected with the fixing support 5.

The fixing support 5 is of a quadrilateral structure, wherein bosses 501 are arranged at the bottoms of two sides, the bosses 501 press the radar speed measuring panel group 4, mounting grooves 502 are respectively arranged at four corners of the fixing support 5, and a screw post hole 503 is arranged beside each mounting groove 502.

A frame wall 601 is arranged at an opening of the top surface of the lower cover 6, a pressing rib 610 is arranged on the top surface of the frame wall 601, a small screw hole 602 for installing the radar water level plate group 3 is arranged at one end in a cavity of the lower cover 6, an inclined surface 606 is arranged at the other end, and a threaded column hole 605 for installing the fixing support 5 is arranged in the inclined surface 606, so that the fixing support 5, the radar speed measuring plate group 4 and the lower cover 6 are integrated; the whole periphery of the top surface of the lower cover 6 is provided with a plurality of large stud holes 603, the large stud holes 603 are matched with the upper cover 1, a cavity 608 is arranged on the lower cover 6 beside the inclined surface 606, and a connecting hole 609 is arranged beside the cavity 608.

The inclined plane 606 is parallel to the radar panel assembly 4.

An ellipsoid 604 is further arranged on the lower cover 6, and the center of the ellipsoid 604 is overlapped with the center of the radar water level plate group 3.

The bottom of the lower cover 6 is also provided with a circular hole 607 for mounting the transducer 7.

The cavity 608 is filled with epoxy.

The cross-section of the bead 610 is a triangular structure.

The specific structure and function of the invention are as follows:

the top surface of the upper cover 1 is provided with a plurality of first threaded holes 101 and a label slot 102, and the inner periphery is provided with a sealing groove 103 and a plurality of second threaded holes 104. A plurality of first threaded holes 101 formed in the top surface are connected with a mounting bracket through screws, the equipment is fixed to the top surface of the pipeline, and a label groove 102 is formed for attaching an equipment nameplate.

The sealing gasket 2 is arranged in a sealing groove 103 arranged on the upper cover 1, and the density gasket 2 is manufactured by adopting a special formula and process, has the performances of long-term acid resistance, alkali resistance, ultraviolet resistance, ozone damage resistance and the like, can be used in sewage and atmospheric environment for a long time, and effectively improves the waterproof performance of equipment.

The radar water level plate group 3 is provided with a plurality of fixing holes 301 and a one-number communication interface 302.

The radar speed measuring plate group 4 is provided with a second communication interface 401 which is connected with a first communication interface 302 arranged on the radar water level plate group 3 through a flat cable;

the radar speed measuring board group 4 is further provided with a third communication interface 402 and a plurality of mounting holes 403.

The fixed support 5 is provided with a boss 501, and the boss 501 is pressed on the radar speed measuring plate group 4 to prevent the possibility of looseness of the radar speed measuring plate group under severe impact and vibration conditions;

the fixing support 5 is provided with a plurality of mounting grooves 502 and a plurality of screw column holes 503, and the radar speed measuring plate group 4 is locked on the mounting fixing support 5 by screws passing through corresponding mounting holes 403 arranged on the radar speed measuring plate group 4.

The lower cover 6 is provided with a frame wall 601, the top surface of the frame wall 601 is provided with a press rib 610, the section of the press rib 610 is in a triangular structure, after the upper cover 1 and the lower cover 6 are tightly closed, the press rib 610 is embedded into the press-fit surface of the sealing gasket 2, and the end surface of the frame wall 601 is tightly pressed on the press-fit surface of the sealing gasket, so that the waterproof performance of the equipment is greatly improved by adopting the structure;

a small screw hole 602 is formed in the lower cover 6, and the radar water level plate group 3 is locked on the lower cover 6 through a screw passing through a corresponding fixing hole 301 formed in the radar water level plate group 3;

the upper surface of the lower cover 6 is provided with a plurality of big stud holes 603 all around, corresponding screws pass through the big stud holes 603 arranged on the lower cover 6 and are locked on the corresponding second threaded holes 104 arranged on the upper cover 1, and the upper cover 1 and the lower cover 6 are fastened into a whole.

An ellipsoid 604 is arranged on the lower cover 6, the center of the ellipsoid 604 is overlapped with the center of the radar water level plate group 3, and the plate group surface of the radar water level plate group 3 is parallel to the inner plane of the ellipsoid 604 and has a certain distance;

the lower cover 6 is provided with a plurality of threaded column holes 605, and screws pass through the corresponding mounting grooves 502 on the fixing support 5 and are locked on the corresponding threaded column holes 605, so that the fixing support 5, the radar speed measuring board group 4 and the lower cover 6 are integrated.

The lower cover 6 is provided with an inclined plane 606, and the inclined plane 606 and the plane of the radar water level plate group 3 form a certain included angle and are parallel to and at a certain distance from the radar speed measuring plate group 4;

a round hole 607 is arranged on the lower cover 6; a connecting hole 609 is formed, the communication cable 9 penetrates through the waterproof connector 8, the waterproof connector 8 penetrates through the connecting hole 609, the waterproof connector 8 is locked on the lower cover 6 through a nut on the waterproof connector 8, and a certain waterproof effect is achieved; the cavity 608 is arranged, after the communication cable 9 penetrates and fixes the waterproof connector 8, the cavity 608 is filled with epoxy resin, and the waterproof performance of the equipment is effectively improved;

the transducer 7 is mounted in a circular hole 607 provided in the lower cover 6.

The communication cable 9 is connected with the transducer 7 and a third communication interface 402 arranged on the radar speed measuring plate group 4, and the peripheral signal processing system can read real-time data measured by the radar water level plate group 3, the radar speed measuring plate group 4 and the transducer 7 and process the real-time data to obtain data information such as required accurate water level, flow speed, flow and the like.

In the actual work process, install whole flowmeter at the top surface of required measuring pipe, through reading the data that radar water level board group 3, radar speed measuring board group 4 obtained, then finally obtain required flow through transducer 7 after carrying out the conversion treatment, brought very big convenience for managing the pipeline.

The above description is intended to be illustrative and not restrictive, and the scope of the invention is defined by the appended claims, which may be modified in any manner within the scope of the invention.