Sensor testing device

Abstract

The utility model discloses a sensor testing device, which comprises a shell module, a first driving module, a second driving module, a testing module and a loading module, and is characterized in that the shell module comprises a base, a vertical plate and a top plate, and the vertical plate is fixedly arranged between the base and the top plate; the first driving module comprises a first air cylinder, a first guide rod, a second guide rod and a driving base, the first air cylinder is installed on the base, and the first guide rod and the second guide rod are both fixedly installed between the base and the top plate. According to the sensor testing device disclosed by the utility model, the shell module, the first driving module, the second driving module, the testing module and the loading module are linked, so that the function test is automatically carried out on the circuit board of the sensor, and the sensor testing device has the advantages of stable structure, high efficiency, high practicability and the like.

Description

Technical Field

[0001] This utility model belongs to the field of sensor testing technology, and specifically relates to a sensor testing device. Background Technology

[0002] As core components in modern industry, automotive electronics, smart homes, and medical devices, sensors' performance and reliability are crucial to the normal operation of the entire system. In the production process of sensor circuit boards, pre-shipment testing (FCT testing) is a critical step in ensuring product quality. Currently, much of the testing is done manually using testing equipment. This method is cumbersome, inefficient, and unsuitable for large-scale production. Furthermore, manual testing is easily affected by subjective factors, resulting in poor accuracy and repeatability.

[0003] Therefore, further improvements will be made to address the aforementioned issues. Utility Model Content

[0004] The main purpose of this utility model is to provide a sensor testing device, which automatically performs functional tests on the circuit board of the sensor by linking the housing module, the first driving module, the second driving module, the testing module and the carrying module. It has the advantages of stable structure, high efficiency and high practicality.

[0005] To achieve the above objectives, this utility model provides a sensor testing device, comprising a housing module, a first driving module, a second driving module, a testing module, and a loading module, wherein:

[0006] The housing module includes a base, a vertical plate, and a top plate, with the vertical plate fixedly installed between the base and the top plate;

[0007] The first drive module includes a first cylinder, a first guide rod, a second guide rod, and a drive seat. The first cylinder is mounted on the base, and the first guide rod and the second guide rod are both fixedly mounted between the base and the top plate. The drive seat is mounted between the first guide rod and the second guide rod, and the drive seat is connected to the drive end of the first cylinder.

[0008] The second drive module includes a cylinder mounting plate, a second cylinder, a guide rod assembly, a magnet mounting plate, a pressure plate, and several magnet posts. The cylinder mounting plate is fixedly mounted to the drive seat via the guide rod assembly. The magnet mounting plate is mounted on the guide rod assembly and fixedly connected to the drive end of the second cylinder. One end of each magnet post is fixedly mounted on the magnet mounting plate, and the pressure plate is attracted to the other end of the magnet post.

[0009] The test module includes a probe holder and several probes. The probe holder is fixedly installed on the top of the base and the probes are installed on the probe holder (a test device built into the base is also provided for testing the sensor through the probes, and an external display screen can be connected to display the test data).

[0010] The carrier module includes a carrier plate (for placing the sensor circuit board to be tested) and several springs, the carrier plate being mounted to the probe holder via the springs.

[0011] As a further preferred embodiment of the above technical solution, the drive base includes a first drive plate, a second drive plate, a first mounting plate, and a second mounting plate. The first drive plate and the second drive plate are respectively installed between the first guide rod and the second guide rod. The first drive plate is located above the second drive plate and is connected to the drive end of the first cylinder. The first mounting plate and the second mounting plate are respectively fixedly installed between the first drive plate and the second drive plate.

[0012] As a further preferred embodiment of the above technical solution, the drive base further includes a first stabilizing plate and a second stabilizing plate, which are respectively fixedly installed between the first drive plate and the second drive plate (to improve structural stability).

[0013] As a further preferred embodiment of the above technical solution, the cylinder mounting plate is fixedly mounted on the second drive plate by the guide rod assembly, the magnet column penetrates through the second drive plate, the magnet mounting plate is located above the second drive plate and the pressure plate is located below the second drive plate.

[0014] As a further preferred embodiment of the above technical solution, the carrier board is provided with a plurality of probe holes, and the probe holes are aligned one by one with the probes (the probes are connected to the circuit board through the probe holes for testing). Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of this utility model.

[0016] Figure 2 This is a schematic diagram of the structure of the first drive module and the second drive module of this utility model.

[0017] Figure 3 This is a structural schematic diagram of the test module and the loading module of this utility model.

[0018] The reference numerals in the accompanying drawings include: 100, housing module; 110, base; 120, vertical plate; 130, top plate; 200, first drive module; 210, first cylinder; 220, first guide rod; 230, second guide rod; 240, drive seat; 241, first drive plate; 242, second drive plate; 243, first mounting plate; 244, second mounting plate; 245, first stabilizing plate; 246, second stabilizing plate; 300, second drive module; 310, cylinder mounting plate; 320, second cylinder; 330, guide rod assembly; 340, magnet mounting plate; 350, pressure plate; 360, magnet column; 400, test module; 410, probe holder; 420, probe; 500, load module; 510, carrier plate; 511, probe hole; 520, spring. Detailed Implementation

[0019] The following description is intended to disclose the present invention so that those skilled in the art can implement it. The preferred embodiments described below are merely examples, and other obvious variations will occur to those skilled in the art. The basic principles of the present invention defined in the following description can be applied to other embodiments, modifications, improvements, equivalents, and other technical solutions that do not depart from the spirit and scope of the present invention.

[0020] This utility model discloses a sensor testing device. The specific embodiments of the utility model are further described below with reference to preferred embodiments.

[0021] In the embodiments of this utility model, those skilled in the art will note that the sensor circuit boards, testing equipment, etc. involved in this utility model can be regarded as prior art.

[0022] Preferred embodiment.

[0023] like Figure 1-3 As shown, this utility model discloses a sensor testing device, including a housing module 100, a first driving module 200, a second driving module 300, a testing module 400, and a loading module 500, wherein:

[0024] The housing module 100 includes a base 110, a vertical plate 120 and a top plate 130, with the vertical plate 120 fixedly installed between the base 110 and the top plate 130;

[0025] The first drive module 200 includes a first cylinder 210, a first guide rod 220, a second guide rod 230, and a drive seat 240. The first cylinder 210 is mounted on the base 110, and the first guide rod 220 and the second guide rod 230 are both fixedly mounted between the base 110 and the top plate 130. The drive seat 240 is mounted between the first guide rod 220 and the second guide rod 230, and the drive seat 240 is connected to the drive end of the first cylinder 210.

[0026] The second drive module 300 includes a cylinder mounting plate 310, a second cylinder 320, a guide rod assembly 330, a magnet mounting plate 340, a pressure plate 350, and a plurality of magnet posts 360. The cylinder mounting plate 310 is fixedly mounted to the drive seat 240 via the guide rod assembly 330. The magnet mounting plate 340 is mounted on the guide rod assembly 330 and fixedly connected to the drive end of the second cylinder 320. One end of the magnet post 360 is fixedly mounted to the magnet mounting plate 340, and the pressure plate 350 is attracted to the other end of the magnet post 360.

[0027] The test module 400 includes a probe holder 410 and a plurality of probes 420. The probe holder 410 is fixedly installed on the top of the base 110 and the probes 420 are installed on the probe holder 410 (a test device built into the base is also provided for testing the sensor through the probes, and an external display screen can be connected to display the test data from the display screen).

[0028] The carrier module 500 includes a carrier plate 510 (for placing the sensor circuit board to be tested) and several springs 520, wherein the carrier plate 510 is mounted to the probe holder 410 by means of the springs 520.

[0029] Specifically, the drive base 240 includes a first drive plate 241, a second drive plate 242, a first mounting plate 243, and a second mounting plate 244. The first drive plate 251 and the second drive plate 242 are respectively installed between the first guide rod 220 and the second guide rod 230. The first drive plate 241 is located above the second drive plate 242 and is connected to the drive end of the first cylinder 210. The first mounting plate 243 and the second mounting plate 244 are respectively fixedly installed between the first drive plate 251 and the second drive plate 252.

[0030] More specifically, the drive base 240 also includes a first stabilizing plate 245 and a second stabilizing plate 246, which are respectively fixedly installed between the first drive plate 241 and the second drive plate 242 (to improve structural stability).

[0031] Furthermore, the cylinder mounting plate 310 is fixedly mounted to the second drive plate 242 via the guide rod assembly 330, the magnet post 360 penetrates the second drive plate 242, the magnet mounting plate 340 is located above the second drive plate 242, and the pressure plate 350 is located below the second drive plate 242.

[0032] Furthermore, the carrier board 510 is provided with a plurality of probe holes 511, which are aligned one by one with the probes 420 (the probes are connected to the circuit board through the probe holes for testing).

[0033] Regarding this utility model:

[0034] Place the sensor circuit board to be tested on the carrier plate, then activate the first cylinder to drive the second drive module to slide down along the first / second guide rods. After sliding down to the preset position where the pressure plate is close to the circuit board, activate the second cylinder to drive the magnet mounting plate to move down along the guide rod assembly. The pressure plate presses down on the circuit board and the carrier plate, allowing the probe to connect to the circuit board through the probe hole, thus enabling the testing equipment to test the circuit board. After the test is completed, the second cylinder returns to its original position, the carrier plate resets due to the spring action, and then the first cylinder returns to its original position.

[0035] The pressure plate is attracted to the magnetic post, allowing for quick replacement and installation to match circuit boards of different sizes and for maintenance and replacement.

[0036] It is worth mentioning that the technical features of the sensor circuit board, testing equipment, etc. involved in this utility model patent application should be regarded as prior art. The specific structure, working principle, and possible control methods and spatial arrangement of these technical features can be conventionally selected in the field and should not be regarded as the inventive point of this utility model patent. This utility model patent will not be further elaborated in detail.

[0037] For those skilled in the art, modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A sensor testing device, characterized in that, It includes a housing module, a first drive module, a second drive module, a test module, and a payload module, wherein: The housing module includes a base, a vertical plate, and a top plate, with the vertical plate fixedly installed between the base and the top plate; The first drive module includes a first cylinder, a first guide rod, a second guide rod, and a drive seat. The first cylinder is mounted on the base, and the first guide rod and the second guide rod are both fixedly mounted between the base and the top plate. The drive seat is mounted between the first guide rod and the second guide rod, and the drive seat is connected to the drive end of the first cylinder. The second drive module includes a cylinder mounting plate, a second cylinder, a guide rod assembly, a magnet mounting plate, a pressure plate, and several magnet posts. The cylinder mounting plate is fixedly mounted to the drive seat via the guide rod assembly. The magnet mounting plate is mounted on the guide rod assembly and fixedly connected to the drive end of the second cylinder. One end of each magnet post is fixedly mounted on the magnet mounting plate, and the pressure plate is attracted to the other end of the magnet post. The test module includes a probe holder and several probes. The probe holder is fixedly installed on the top of the base and the probes are installed on the probe holder. The loading module includes a carrier plate and several springs, and the carrier plate is mounted to the probe holder via the springs.

2. The sensor testing device according to claim 1, characterized in that, The drive base includes a first drive plate, a second drive plate, a first mounting plate, and a second mounting plate. The first drive plate and the second drive plate are respectively installed between the first guide rod and the second guide rod. The first drive plate is located above the second drive plate and is connected to the drive end of the first cylinder. The first mounting plate and the second mounting plate are respectively fixedly installed between the first drive plate and the second drive plate.

3. The sensor testing device according to claim 2, characterized in that, The drive base also includes a first stabilizing plate and a second stabilizing plate, which are respectively fixedly installed between the first drive plate and the second drive plate.

4. The sensor testing device according to claim 3, characterized in that, The cylinder mounting plate is fixedly mounted to the second drive plate via the guide rod assembly. The magnet column penetrates the second drive plate. The magnet mounting plate is located above the second drive plate, and the pressure plate is located below the second drive plate.

5. A sensor testing device according to claim 4, characterized in that, The carrier plate is provided with a plurality of probe holes, and the probe holes are aligned with the probes one by one.

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