CN216206136U - Distance sensor testing device - Google Patents
Distance sensor testing device Download PDFInfo
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- CN216206136U CN216206136U CN202121701426.1U CN202121701426U CN216206136U CN 216206136 U CN216206136 U CN 216206136U CN 202121701426 U CN202121701426 U CN 202121701426U CN 216206136 U CN216206136 U CN 216206136U
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Abstract
The utility model provides a distance sensor testing device, comprising: the device comprises a test board, an upper computer, a digital display module, a power supply control unit and a test fixture; the upper computer and the digital display module are arranged at the top of the test board, and the upper computer, the digital display module and the test fixture are electrically connected with the power supply control unit; the test fixture comprises a fixture table, a signal display lamp, a positioning block, a photosensitive test module and a wiring terminal, wherein a first motor, a second motor, a first slide rail and a second slide rail are arranged in the fixture table, the first slide rail is connected with a first slide block, and the second slide rail is connected with a second slide block. The application provides a distance sensor testing arrangement, through placing distance sensor in test fixture with the correspondence, utilize the sensor that test fixture belongs to measure the return difference value and the value of breaking away from of distance sensor both sides, pass through the host computer with the measured value and compare, indicate distance sensor qualified or not, avoided artifical detection to cause inefficiency and the high not enough of error rate.
Description
Technical Field
The utility model relates to the technical field of sensor manufacturing, in particular to a distance sensor testing device.
Background
A distance sensor, also called a displacement sensor, is a sensor for sensing a distance between the sensor and an object to perform a predetermined function. In the production process, the side-view method of the distance sensor mainly uses a micrometer to perform measurement recording manually, and needs to register an ASCII code and corresponding test data manually in the test process. Therefore, the manual testing efficiency is low, large errors are easy to generate, and the production efficiency of the distance sensor is further influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of overcoming the defects in the prior art and provides a distance sensor testing device.
The utility model is realized by the following technical scheme: a distance sensor testing device comprising: the device comprises a test board, an upper computer, a digital display module, a power supply control unit and at least two test jigs;
the upper computer, the digital display module and the test fixture are respectively and electrically connected with the power supply control unit;
the testing jig comprises a trapezoidal jig table, a signal display lamp fixed on the side portion of the jig table, a positioning block fixed at the bottom of the jig table, a photosensitive testing module and a wiring terminal, wherein a first motor, a second motor, a first slide rail and a second slide rail are arranged inside the jig table, the top of the first slide rail is slidably connected with a first slider, the top of the second slide rail is slidably connected with a second slider, the first motor is fixedly connected with the first slider, and the second motor is slidably connected with the second slider.
Furthermore, the digital display module is provided with a first brake button, and the test fixture is provided with a second brake button and a reset button.
Furthermore, a power supply control box is arranged at the bottom of the test board, a power supply control unit is fixed inside the power supply control box, and a power switch is fixed on the surface of the power supply control box;
the test fixture is provided with a start test button.
Furthermore, a positioning groove is formed in the top of the positioning block, and a lead of the distance sensor is fixed to the positioning groove.
Furthermore, the output shaft of the first motor is fixedly connected with the ball screw to which the first lead screw belongs, and the first sliding block is fixedly connected with the lead screw sliding block to which the first lead screw belongs.
Furthermore, the output shaft of the second motor is fixedly connected with the ball screw to which the second screw belongs, and the second sliding block is fixedly connected with the screw sliding block to which the second screw belongs.
The utility model has the beneficial effects that: the application provides a distance sensor testing arrangement places in test fixture through a plurality of distance sensor one-to-ones to utilize test fixture affiliated sensor to measure the return difference value and the value of breaking away from of distance sensor both sides respectively, and compare the measured value through the host computer, thereby indicate distance sensor qualified or not, thereby avoided artifical detection to cause inefficiency and the high not enough of error rate.
Drawings
Fig. 1 is a schematic structural diagram of a distance sensor testing device provided by the present invention.
Fig. 2 is a schematic structural diagram of a testing jig in the distance sensor testing apparatus provided by the present invention.
Fig. 3 is a schematic connection diagram of a first motor and a first slide rail in the distance sensor testing apparatus provided by the present invention.
Fig. 4 is a schematic connection diagram of a second motor and a second slide rail in the distance sensor testing apparatus provided by the present invention.
In the figure: 1. a test bench; 2. an upper computer; 3. a digital display module; 4. a power supply control unit; 5. testing the jig; 6. a jig table; 7. a signal display lamp; 8. positioning blocks; 9. a light sensing test module; 10. a wiring terminal; 11. a first motor; 12. a second motor; 13. a first slide rail; 14. a second slide rail; 15. a first slider; 16. a second slider; 17. a first brake button; 18. a second brake button; 19. a reset button; 20. a power supply control box; 21. a power switch; 22. starting a test button; 23. positioning a groove; 24. a second lead screw; 25. a first lead screw; 26. and a lead screw sliding block.
Detailed Description
In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings and preferred embodiments.
As shown in fig. 1 to 4, the present invention provides a distance sensor testing device including: the device comprises a test board 1, an upper computer 2, a digital display module 3, a power supply control unit 4 and at least two test jigs 5;
the upper computer 2 and the digital display module 3 are arranged at the top of the test board 1, and the upper computer 2, the digital display module 3 and the test fixture 5 are respectively and electrically connected with the power supply control unit 4; the test bench 1 is preferably made of aluminum alloy.
The test fixture 5 comprises a trapezoidal fixture table 6, a signal display lamp 7 fixed on the side portion of the fixture table 6, a positioning block 8 fixed at the bottom of the fixture table 6, a photosensitive test module 9 and a wiring terminal 10, a first motor 11, a second motor 12, a first slide rail 13 and a second slide rail 14 are arranged inside the fixture table 6, a first slider 15 is connected to the top of the first slide rail 13 in a sliding mode, a second slider 16 is connected to the top of the second slide rail 14 in a sliding mode, the first motor 11 is fixedly connected with the first slider 15, and the second motor 12 is connected with the second slider 16 in a sliding mode. The positioning block 8 is preferably made of epoxy resin, and the first motor 11 and the second motor 12 are stepping motors.
In the testing process, the distance sensor to be tested is placed in the middle groove of the photosensitive testing module 9, and the lead of the distance sensor to be tested is fixed on the positioning block 8, and what is needed to be supplemented here is that a fixing block is usually placed on the positioning block 8, so that the distance sensor and the positioning block can clamp the lead of the distance sensor. Through carrying out the differentiation setting with fixed block and locating piece 8 during the use, can prevent the mistake between fixed block and the locating piece 8 and be connected.
The lower computer sends a pulse test signal to the first motor 11 and/or the second motor 12 to drive the first sliding block 15 and/or the second sliding block 16 to reciprocate along the direction of the first sliding rail 13 and/or the second sliding rail 14, and the maximum value and the minimum value of the distance acquired by the distance sensor, namely the return difference value and the separation value, are acquired. When the maximum value and/or the minimum value of the acquisition distance is reached, the upper computer 2 is used for adjusting the voltage value (sequentially switched to 10V, 20V and 30V) loaded on the distance sensor by the photosensitive testing module 9, respectively acquiring the switching current value, the voltage drop and the leakage current in different states, and feeding back the acquisition result to the upper computer 2. The upper computer 2 converts the acquired pulse value into a distance value with the distance unit of millimeter. And comparing the distance value with a preset distance value to further judge whether the distance sensor is qualified.
It is necessary to supplement here that the first slider 15 and the second slider 16 need to be reset to zero respectively before the test is performed, and the resetting mode includes the reset started by the upper computer 2 and the manual reset. The signal indicator lamp comprises a qualified indicator lamp and an alarm indicator lamp, and the qualified indicator lamp or the alarm indicator lamp is lightened according to whether the distance sensor is qualified or not. And in the resetting process, the qualified indicator lamp and the alarm indicator lamp alternately flash until the resetting is finished.
The application provides a distance sensor testing arrangement places in test fixture through a plurality of distance sensor one-to-ones to utilize test fixture affiliated sensor to measure the return difference value and the value of breaking away from of distance sensor both sides respectively, and compare the measured value through the host computer, thereby indicate distance sensor qualified or not, thereby avoided artifical detection to cause inefficiency and the high not enough of error rate.
Furthermore, the digital display module 3 is provided with a first brake button 17, and the test fixture 5 is provided with a second brake button 18 and a reset button 19.
The bottom of the test board 1 is provided with a power supply control box 20, a power supply control unit 4 is fixed inside the power supply control box 20, and the surface of the power supply control box 20 is fixed with a power switch 21; the power supply control box 20 is used to supply power to the entire distance sensor testing apparatus.
The test fixture 5 is provided with a start test button 22. The start test button 22 is used to ensure that the tester starts after confirming the working state of the test fixture 5, so as to prevent misoperation such as non-azimuth of the distance sensor.
The top of the positioning block 8 is provided with a positioning groove 23, and the lead of the distance sensor is fixed on the positioning groove 23. In a preferred embodiment, the wires are fixed to the top of the positioning block 8 by snap clips.
An output shaft of the first motor 11 is fixedly connected with a ball screw belonging to the first lead screw 25, and the first sliding block 15 is fixedly connected with a lead screw sliding block 26 belonging to the first lead screw 25. An output shaft of the second motor 12 is fixedly connected through a ball screw belonging to the second screw 24, and the second slider 16 is fixedly connected with a screw slider 26 belonging to the second screw 24. The first slider 15 and/or the second slider 16 slide along the first lead screw 25 and/or the second lead screw 24 by the fixed connection with the lead screw slider 26, so that the first slider 15 and/or the second slider 16 slide relative to the distance sensor wire.
The application provides a distance sensor testing arrangement, including switch, start test button and a plurality of brake button, place in test fixture through a plurality of distance sensor one-to-ones, and utilize lead screw and slider structure to drive the sensor that test fixture belongs to and measure the return difference value and the value of breaking away from respectively to the distance sensor both sides, and compare the measured value through the host computer, thereby indicate distance sensor qualified or not, thereby avoided artifical detection to cause inefficiency and the not enough that the error rate is high.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A distance sensor testing device, comprising: the device comprises a test board, an upper computer, a digital display module, a power supply control unit and at least two test jigs;
the upper computer and the digital display module are arranged at the top of the test bench, and the upper computer, the digital display module and the test fixture are respectively electrically connected with the power supply control unit;
the test fixture comprises a trapezoidal fixture table, a signal display lamp fixed on the side portion of the fixture table, a positioning block fixed at the bottom of the fixture table, a photosensitive test module and a wiring terminal, wherein a first motor, a second motor, a first slide rail and a second slide rail are arranged inside the fixture table, the top of the first slide rail is slidably connected with a first slider, the top of the second slide rail is slidably connected with a second slider, the first motor is fixedly connected with the first slider, and the second motor is slidably connected with the second slider.
2. The distance sensor testing device as claimed in claim 1, wherein the digital display module is provided with a first brake button, and the testing fixture is provided with a second brake button and a reset button.
3. The distance sensor testing device of claim 1, wherein a power supply control box is arranged at the bottom of the testing platform, the power supply control unit is fixed inside the power supply control box, and a power switch is fixed on the surface of the power supply control box;
the test fixture is provided with a start test button.
4. The distance sensor testing device of claim 1, wherein a positioning groove is formed at the top of the positioning block, and a wire of the distance sensor is fixed to the positioning groove.
5. The distance sensor testing device of claim 1, wherein the first motor output shaft is fixedly connected through a ball screw to which the first screw belongs, and the first slider is fixedly connected with a screw slider to which the first screw belongs.
6. The distance sensor testing device of claim 1, wherein the second motor output shaft is fixedly connected through a ball screw to which the second screw belongs, and the second slider is fixedly connected with a screw slider to which the second screw belongs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121701426.1U CN216206136U (en) | 2021-07-26 | 2021-07-26 | Distance sensor testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121701426.1U CN216206136U (en) | 2021-07-26 | 2021-07-26 | Distance sensor testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216206136U true CN216206136U (en) | 2022-04-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121701426.1U Active CN216206136U (en) | 2021-07-26 | 2021-07-26 | Distance sensor testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216206136U (en) |
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2021
- 2021-07-26 CN CN202121701426.1U patent/CN216206136U/en active Active
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