阅读说明：本技术 基于硬件控制485收发引脚通讯设计的荧光法传感器 (Fluorescence method sensor based on hardware control 485 receiving and dispatching pin communication design ) 是由 蒋永年 蒋鑫池 于 2019-10-25 设计创作，主要内容包括：本发明公开了基于硬件控制485收发引脚通讯设计的荧光法传感器,涉及荧光传感器技术领域,为解决随着光源的偏移,荧光传感器不能进行相应的调节,两者之间出现角度偏差,导致光源采集的范围受限,最后检测的数据结构精度不佳的问题。所述底座的上方设置有步进电机,所述步进电机输出端的上方设置有转轴,所述转轴的上方设置有转动块,所述转动块的上方设置有传感器壳体,所述传感器壳体的内部设置有隔板,所述隔板的一侧设置有电路板,所述电路板的一侧分别设置有光耦传感器和芯片,所述光耦传感器的一侧设置有集光片,所述集光片的一侧设置有透光镜,所述传感器壳体的一侧设置有采光玻璃罩,所述采光玻璃罩的一侧设置有棱镜。(The invention discloses a fluorescence method sensor based on hardware control 485 receiving and transmitting pin communication design, relates to the technical field of fluorescence sensors, and aims to solve the problems that the fluorescence sensor cannot be correspondingly adjusted along with the deviation of a light source, the angle deviation occurs between the fluorescence sensor and the light source, the light source acquisition range is limited, and the accuracy of a finally detected data structure is poor. The utility model discloses a sensor, including base, step motor, sensor housing, circuit board, opto-coupler sensor and chip, the top of base is provided with step motor, the top of step motor output is provided with the pivot, the top of pivot is provided with the turning block, the top of turning block is provided with sensor housing, sensor housing's inside is provided with the baffle, one side of baffle is provided with the circuit board, one side of circuit board is provided with opto-coupler sensor and chip respectively, one side of opto-coupler sensor is provided with the collection light piece, one side of collection light piece is provided with the printing opacity mirror, one side of sensor housing is provided with daylighting glass.)

1. Fluorescence method sensor based on communication design of hardware control 485 receiving and dispatching pin, including base (1), its characterized in that: the sensor is characterized in that a stepping motor (3) is arranged above the base (1), the stepping motor (3) is connected with the base (1) through screws, a cylindrical support column (2) is arranged outside the stepping motor (3), the cylindrical support column (2) is connected with the base (1) in a gas welding manner, a rotating shaft (5) is arranged above the output end of the stepping motor (3), the rotating shaft (5) is connected with the output end of the stepping motor (3) through a coupler, a rotating block (6) is arranged above the rotating shaft (5), the rotating block (6) is in joggle joint with the rotating shaft (5), a sensor shell (7) is arranged above the rotating block (6), the sensor shell (7) is connected with the rotating block (6) in a laminating manner, a partition plate (16) is arranged inside the sensor shell (7), and two ends of the partition plate (16) extend to the inside of the sensor shell (7), a circuit board (20) is arranged on one side of the partition plate (16), the circuit board (20) is connected with the partition plate (16) through screws, an optical coupler sensor (21) and a 485 chip (22) are respectively arranged on one side of the circuit board (20), two optical coupler sensors (21) are arranged, the two optical coupler sensors (21) and the 485 chip (22) are electrically connected with the circuit board (20), a light collecting sheet (15) is arranged on one side of the optical coupler sensor (21), a light transmitting mirror (14) is arranged on one side of the light collecting sheet (15), the light transmitting mirror (14) and the light collecting sheet (15) are both attached and connected with the sensor shell (7), a lighting glass cover (9) is arranged on one side of the sensor shell (7), the lighting glass cover (9) is hermetically connected with the sensor shell (7), and a prism (11) is arranged on one side of the lighting glass cover (9), and prism (11) are connected with sensor housing (7) laminating, the top of daylighting glass cover (9) is provided with pilot lamp (8), the below of daylighting glass cover (9) is provided with and opens smooth button (10), and opens the inside that the one end of smooth button (10) and pilot lamp (8) all extended to sensor housing (7), the inside of cartridge type pillar (2) is provided with spout (25), be provided with between turning block (6) and cartridge type pillar (2) slider (24), slider (24) are provided with four, and the one end of four slider (24) all extends to the inside of spout (25).

2. The fluorescence sensor based on hardware control 485 transceiving pin communication design according to claim 1, wherein: be provided with silica gel pad (4) between step motor (3) and cartridge type pillar (2), and silica gel pad (4) is connected with step motor (3) and cartridge type pillar (2) laminating respectively.

3. The fluorescence sensor based on hardware control 485 transceiving pin communication design according to claim 1, wherein: a storage battery (18) is arranged on one side of the separator (16), a drying pad (19) is arranged outside the storage battery (18), and the drying pad (19) is attached to the sensor shell (7), the storage battery (18) and the separator (16) respectively.

4. The fluorescence sensor based on hardware control 485 transceiving pin communication design according to claim 3, wherein: the top of battery (18) is provided with louvre (17), and the outside that sensor housing (7) were run through and extend to sensor housing (7) to the one end of louvre (17), the inside of louvre (17) is provided with filter screen (23), and filter screen (23) are connected with the inner wall laminating of louvre (17).

5. The fluorescence sensor based on hardware control 485 transceiving pin communication design according to claim 1, wherein: one side of the light-transmitting mirror (14) is provided with an optical filter (13), and the optical filter (13) is attached to the sensor shell (7).

6. The fluorescence sensor based on hardware control 485 transceiving pin communication design according to claim 1, wherein: one side of the prism (11) is provided with a fluorescent coating (12), and the fluorescent coating (12) is attached to the prism (11).

7. The fluorescence sensor based on hardware control 485 transceiving pin communication design according to claim 1, wherein: the inside of spout (25) is provided with gyro wheel (26), and the both ends of gyro wheel (26) all rotate with barrel type pillar (2) and be connected, gyro wheel (26) laminate mutually with slider (24).

8. The fluorescence sensor based on hardware control 485 transceiving pin communication design according to claim 1, wherein: the RO pin of the 485 chip (22) is electrically connected with a resistor R3, the RE pin and the DE pin of the 485 chip (22) are connected in parallel and electrically connected with a resistor R7, the resistor R7 is electrically connected with a resistor R8, the resistor R8 is electrically connected with a 5V voltage, the DI pin of the 485 chip (22) is electrically connected with a resistor R10, the resistor R10 is electrically connected with a resistor R9, the resistor R9 is electrically connected with a 5V voltage, the resistor R10 is electrically connected with the R pin of a triode Q1, the C pin of the triode Q1 is respectively electrically connected with the resistor R7 and the resistor R8, the E pin of the triode Q1 is grounded, the B pin of the 485 chip (22) is electrically connected with the resistor R5, the other end of the resistor R5 is grounded, the A pin of the 485 chip (22) is electrically connected with the resistor R6, the resistor R6 is electrically connected with a 5V voltage, and the resistor R3K pin of the sensor (21K) are electrically connected with the optical coupler sensor, the A foot and the 5V voltage electric connection of opto-coupler sensor (21), the E foot and the acceptance data pilot lamp RXD electric connection of opto-coupler sensor (21), the C foot and the resistance R4 electric connection of opto-coupler sensor (21), the C foot electric connection of resistance R10 and opto-coupler sensor (21), the E foot ground connection of opto-coupler sensor (21), the A foot of opto-coupler sensor (21) and the one end of resistance R4 all with 3.3V voltage electric connection, the K foot and the resistance R11 electric connection of opto-coupler sensor (21), resistance R11 and transmission data pilot lamp TXD electric connection.

Technical Field

The invention relates to the technical field of fluorescence sensors, in particular to a fluorescence sensor designed based on hardware control 485 receiving and transmitting pin communication.

Background

The fluorescent sensor is a novel ultraviolet ray sensor and can detect substances emitting ultraviolet rays, such as grease, glue, labels, wood, clothes, rubber, oil paintings, fluorescent ink, fluorescent chalk and the like. Generally, the composition comprises three parts: an acceptor moiety, a luminophore moiety and a linker moiety; the fluorescence sensing is that certain sensitive unit with a special identification function is irradiated by light with a certain wavelength range to excite to generate fluorescence, when a corresponding detected substance is in contact with the sensitive unit and interacts with the sensitive unit, the intensity of the fluorescence emitted by the sensitive unit is enhanced or quenched, the service life of the fluorescence is prolonged or reduced, and therefore qualitative or quantitative measurement of the detected substance can be realized by monitoring the change of a fluorescence signal, and temperature measurement is mainly carried out. The application range is gradually enlarged due to small volume, large measurement range, high detection speed and high detection precision.

At present, when the fluorescence sensor is used for detection, the fluorescence sensor and a detection light source are required to be aligned, so that the detection result precision can be higher, the light source cannot be fixed and unchanged, the fluorescence sensor cannot be correspondingly adjusted, the angle deviation occurs, the light source range acquired by the sensor is limited, the data processing result is not accurate, the detection quality of the fluorescence sensor is reduced, and the use requirement cannot be met. Therefore, a fluorescence sensor designed based on hardware control 485 receiving and transmitting pin communication is urgently needed in the market to solve the problems.

Disclosure of Invention

The invention aims to provide a fluorescence method sensor based on hardware control 485 receiving and transmitting pin communication design, and aims to solve the problems that the fluorescence sensor cannot be correspondingly adjusted along with the deviation of a light source, the angle deviation occurs between the fluorescence sensor and the light source, the light source acquisition range is limited, the finally detected data structure precision is poor, the detection efficiency of the fluorescence sensor is reduced, and the use requirement cannot be met in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a fluorescence sensor based on hardware control receiving and sending pin communication design comprises a base, wherein a stepping motor is arranged above the base and is connected with the base through screws, a cylindrical support is arranged outside the stepping motor and is connected with the base in a gas welding mode, a rotating shaft is arranged above the output end of the stepping motor and is connected with the output end of the stepping motor through a coupler, a rotating block is arranged above the rotating shaft and is in joggle joint with the rotating shaft, a sensor shell is arranged above the rotating block and is in fit connection with the rotating block, a partition plate is arranged inside the sensor shell, two ends of the partition plate extend into the sensor shell, a circuit board is arranged on one side of the partition plate and is connected with the circuit board through screws, and an opto-coupler sensor and a chip are respectively arranged on one side of the circuit board, two optical coupling sensors are arranged, and the two optical coupling sensors and the chip are electrically connected with the circuit board, one side of the optical coupling sensor is provided with a light collecting piece, one side of the light collecting piece is provided with a light transmitting mirror, the light-transmitting mirror and the light-collecting plate are both jointed and connected with the sensor shell, one side of the sensor shell is provided with a lighting glass cover, and the lighting glass cover is hermetically connected with the sensor shell, one side of the lighting glass cover is provided with a prism, the prism is jointed and connected with the sensor shell, the indicator light is arranged above the lighting glass cover, the light opening button is arranged below the lighting glass cover, one end of the light-on button and one end of the indicator light extend to the inside of the sensor shell, a sliding groove is arranged inside the cylindrical support, be provided with the slider between turning block and the cylinder type pillar, the slider is provided with four, and the one end of four sliders all extends to the inside of spout.

Preferably, a silica gel pad is arranged between the stepping motor and the cylindrical support, and the silica gel pad is respectively attached and connected with the stepping motor and the cylindrical support.

Preferably, one side of the separator is provided with a storage battery, a drying pad is arranged outside the storage battery, and the drying pad is respectively attached to the sensor shell, the storage battery and the separator.

Preferably, the top of battery is provided with the louvre, and the outside that the sensor casing was run through and extend to the sensor casing to the one end of louvre, the inside of louvre is provided with the filter screen, and the filter screen is connected with the inner wall laminating of louvre.

Preferably, one side of the light-transmitting mirror is provided with an optical filter, and the optical filter is attached to the sensor shell.

Preferably, one side of the prism is provided with a fluorescent coating, and the fluorescent coating is attached to the prism.

Preferably, the inside of spout is provided with the gyro wheel, and the both ends of gyro wheel all rotate with the section of thick bamboo type pillar and be connected, the gyro wheel laminates with the slider mutually.

Preferably, the RO pin of the 485 chip is electrically connected to the resistor R3, the RE pin and the DE pin of the 485 chip are connected in parallel and electrically connected to the resistor R7, the resistor R7 is electrically connected to the resistor R8, the resistor R8 is electrically connected to the 5V voltage, the DI pin of the 485 chip is electrically connected to the resistor R10, the resistor R10 is electrically connected to the resistor R9, the resistor R9 is electrically connected to the 5V voltage, the resistor R10 is electrically connected to the R pin of the transistor Q1, the C pin of the transistor Q1 is electrically connected to the resistor R7 and the resistor R8, the E pin of the transistor Q1 is grounded, the B pin of the 485 chip is electrically connected to the resistor R5, the other end of the resistor R5 is grounded, the a pin of the 485 chip is electrically connected to the resistor R6, the resistor R6 is electrically connected to the 5V voltage, the resistor R3 is electrically connected to the K pin of the sensor, and the a pin of the optical coupler is electrically connected to the voltage, the E foot of opto-coupler sensor and receiving data pilot lamp RXD electric connection, the C foot and the resistance R4 electric connection of opto-coupler sensor, resistance R10 and the C foot electric connection of opto-coupler sensor, the E foot ground connection of opto-coupler sensor, the A foot of opto-coupler sensor and the one end of resistance R4 all with 3.3V voltage electric connection, the K foot and the resistance R11 electric connection of opto-coupler sensor, resistance R11 and sending data pilot lamp TXD electric connection.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the device, the rotating block and the cylindrical support are driven to slide relatively under the action of the stepping motor through the arrangement of the stepping motor, the rotating block and the roller, and the rotating block is attached to the sensor shell and can be driven to rotate horizontally, so that the reverse direction of light collection of the sensor is changed, and the multi-angle light collection is realized; the gyro wheel can reduce sliding wear when the slider slides, increases the smooth and easy degree of sliding. The problem of the sensor can not carry out angle modulation, can only gather the light of an angle, can not satisfy multi-angle collection is solved.

2. According to the device, the color light which does not need to be collected can be filtered by the optical filter through the arrangement of the optical filter and the light collecting sheet, so that the precision of data collection is ensured; the light collecting sheet can collect dispersed light, and collection and detection are facilitated. The problem of other variegated interference chromatic light lead to the data progress of collection not good is solved.

3. According to the device, the optical coupling sensor and the 485 chip are arranged, the optical coupling sensor transmits electrical signals by taking light as a medium, and has an isolation effect on input and output electrical signals, so that independent signal transmission is realized, and common-mode interference can be effectively inhibited; a pin and B pin of the 485 chip are positive and negative ends of differential signal input, RE and DE are in short circuit, and the circuit can be switched in a receiving and transmitting mode. The problems that common-mode interference is aggravated and a receiver cannot work normally due to the fact that common-mode voltage is too high are solved.

4. According to the device, through the arrangement of the silica gel pad, the heat dissipation holes, the drying pad and the filter screen, the silica gel pad can buffer vibration generated when the stepping motor works, and noise is reduced; the heat dissipation holes can conduct heat inside the sensor out, and the constant internal temperature is guaranteed; the drying pad can absorb moisture in the sensor, so that the normal use of the storage battery is ensured; the filter screen can prevent external dust from entering the interior of the sensor. The problem that the sensor can be normally used is solved.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a view showing the heat dissipation hole and the connection between the secondary battery and the sensor case according to the present invention;

FIG. 3 is a partial enlarged view of zone A of the present invention;

fig. 4 is a circuit diagram of the present invention.

In the figure: 1. a base; 2. a cylindrical pillar; 3. a stepping motor; 4. a silica gel pad; 5. a rotating shaft; 6. rotating the block; 7. a sensor housing; 8. an indicator light; 9. a lighting glass cover; 10. a light-on button; 11. a prism; 12. a fluorescent coating; 13. an optical filter; 14. a light-transmitting mirror; 15. a light collecting sheet; 16. a partition plate; 17. heat dissipation holes; 18. a storage battery; 19. drying the pad; 20. a circuit board; 21. an opto-coupler sensor; 22. 485 chips; 23. a filter screen; 24. a slider; 25. a chute; 26. and a roller.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-4, an embodiment of the present invention is shown: a fluorescence sensor based on hardware control 485 transceiving pin communication design comprises a base 1, wherein a stepping motor 3 is arranged above the base 1, the stepping motor 3 is connected with the base 1 through a screw, the stepping motor 3 can drive the sensor to horizontally rotate, a cylindrical support 2 is arranged outside the stepping motor 3, the cylindrical support 2 is in gas welding connection with the base 1, a rotating shaft 5 is arranged above the output end of the stepping motor 3, the rotating shaft 5 is connected with the output end of the stepping motor 3 through a coupler, a rotating block 6 is arranged above the rotating shaft 5, the rotating block 6 is in joggle joint with the rotating shaft 5, a sensor shell 7 is arranged above the rotating block 6, the sensor shell 7 is in fit connection with the rotating block 6, a partition plate 16 is arranged inside the sensor shell 7, two ends of the partition plate 16 both extend into the sensor shell 7, and the partition plate 16 can fix a circuit board 20, one side of the clapboard 16 is provided with a circuit board 20, the circuit board 20 is connected with the clapboard 16 through screws, one side of the circuit board 20 is respectively provided with an optical coupling sensor 21 and a 485 chip 22, the optical coupling sensor 21 is provided with two optical coupling sensors 21, the two optical coupling sensors 21 and the 485 chip 22 are both electrically connected with the circuit board 20, the optical coupling sensor 21 collects light, the 485 chip 22 can process the collected light, one side of the optical coupling sensor 21 is provided with a light collecting sheet 15, the light collecting sheet 15 can collect the light, one side of the light collecting sheet 15 is provided with a light transmitting lens 14, the light transmitting lens 14 and the light collecting sheet 15 are both connected with the sensor shell 7 in an attaching manner, one side of the sensor shell 7 is provided with a lighting glass cover 9, the lighting glass cover 9 is connected with the sensor shell 7 in a sealing manner, the lighting glass cover 9 can effectively protect the prism, and prism 11 is connected with the laminating of sensor housing 7, the top of daylighting glass cover 9 is provided with pilot lamp 8, pilot lamp 8 can demonstrate sensor operating condition, the below of daylighting glass cover 9 is provided with and opens light button 10, and the one end of opening light button 10 and pilot lamp 8 all extends to the inside of sensor housing 7, it can control sensor operating condition to open light button 10, the inside of cartridge type pillar 2 is provided with spout 25, be provided with slider 24 between turning block 6 and the cartridge type pillar 2, slider 24 is provided with four, and the one end of four slider 24 all extends to the inside of spout 25.

Further, a silica gel pad 4 is arranged between the stepping motor 3 and the cylindrical support 2, and the silica gel pad 4 is respectively attached to the stepping motor 3 and the cylindrical support 2. The vibration that 3 during operations of step motor produced can be cushioned through silica gel pad 4, noise abatement.

Further, a battery 18 is provided on one side of the separator 16, a dry pad 19 is provided outside the battery 18, and the dry pad 19 is attached to the sensor case 7, the battery 18, and the separator 16, respectively. The storage battery 18 can supply energy to the sensor, and the drying pad 19 is made of soda lime and alumina, so that water in the sensor can be absorbed, and the storage battery 18 can be normally used.

Further, a heat dissipation hole 17 is formed above the storage battery 18, one end of the heat dissipation hole 17 penetrates through the sensor housing 7 and extends to the outside of the sensor housing 7, a filter screen 23 is arranged inside the heat dissipation hole 17, and the filter screen 23 is attached to the inner wall of the heat dissipation hole 17. The heat dissipation holes 17 can conduct away heat inside the sensor, and the filter screen 23 can prevent external dust from entering.

Further, a filter 13 is disposed on one side of the transparent mirror 14, and the filter 13 is attached to the sensor housing 7. The light can be filtered by the filter 13 to remove the interfering light.

Further, one side of the prism 11 is provided with a fluorescent coating 12, and the fluorescent coating 12 is attached to the prism 11. The collected light may be subjected to a fluorescence process by the fluorescent coating 12.

Further, the inside of spout 25 is provided with gyro wheel 26, and the both ends of gyro wheel 26 all are connected with the rotation of cylinder type pillar 2, and gyro wheel 26 and slider 24 are laminated mutually. The rotation efficiency of the rotary block 6 can be improved by the roller 26.

Further, an RO pin of the 485 chip 22 is electrically connected to a resistor R3, an RE pin and a DE pin of the 485 chip 22 are connected in parallel and electrically connected to a resistor R7, the resistor R7 is electrically connected to a resistor R8, the resistor R8 is electrically connected to a 5V voltage, a DI pin of the 485 chip 22 is electrically connected to a resistor R10, the resistor R10 is electrically connected to a resistor R9, the resistor R9 is electrically connected to a 5V voltage, the resistor R10 is electrically connected to an R pin of the triode Q1, a C pin of the triode Q1 is electrically connected to a resistor R7 and a resistor R8, an E pin of the triode Q1 is grounded, a B pin of the 485 chip 22 is electrically connected to a resistor R5, the other end of the resistor R5 is grounded, an a pin of the 485 chip 22 is electrically connected to a resistor R6, a resistor R6 is electrically connected to a 5V voltage, and a resistor R3 is electrically connected to the optical coupler 21, the utility model discloses a photoelectric sensor, including optical coupling sensor 21, data pilot lamp RXD electric connection, optical coupling sensor 21's A foot and 5V voltage electric connection, optical coupling sensor 21's C foot and resistance R4 electric connection, resistance R10 and optical coupling sensor 21's C foot electric connection, optical coupling sensor 21's E foot ground connection, optical coupling sensor 21's A foot and resistance R4's one end all with 3.3V voltage electric connection, optical coupling sensor 21's K foot and resistance R11 electric connection, resistance R11 and transmission data pilot lamp TXD electric connection.

The working principle is as follows: when the light splitting device is used, the base 1 is installed, the light splitting button 10 is pressed to enter a working state, and the prism 11 can disperse the irradiated light source and perform light splitting treatment on the light source; the fluorescent coating 12 performs a fluorescent process on the light passing through the fluorescent coating 12; when light passes through the optical filter 13, the optical filter 13 filters the light, so that light which is not required to be collected is prevented from passing through, and the accuracy of signal collection is ensured; the light-transmitting mirror 14 and the light-collecting sheet 15 can collect the light rays processed by fluorescence, so as to facilitate the collection and processing of light signals. Drive step motor 3 can drive turning block 6 and rotate under step motor 3's effect, because through slider 24 sliding connection between turning block 6 and the section of thick bamboo type pillar 2, drive the sensor then and carry out the horizontal rotation to can carry out multi-angle collection to the light source and handle. The heat dissipation holes 17 can conduct away heat generated during working, so that the temperature rise caused by internal heat accumulation is avoided, and the use is prevented from being influenced; when the filter screen 23 conducts heat out by means of air convection, dust can enter the interior by mixing with air, so that the use of the sensor is influenced; the drying pad 19 can absorb moisture when the sensor is subjected to damp, so that the normal work of the storage battery 18 is ensured; the roller 26 may facilitate the rotation of the turning block 6; the lighting glass cover 9 can transmit collected light sources and can effectively protect the prism 11. The 485 chip 22 of the circuit adopts a balanced transmission and differential reception mode, so that the capacity of inhibiting common-mode interference can be increased; however, when the common mode voltage exceeds the receiving limit voltage of the 485 chip 22, the receiver cannot work normally and is connected in a traditional mode to solve the problem. The +3.3V and C5V in the circuit are two groups of power supplies which are not connected with the ground in common and are realized by DC-DC; the optical coupler can isolate input and output electric signals, so that common-mode interference is effectively inhibited, and generation of high common-mode voltage is effectively inhibited.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.