Driving circuit board integrated multifunctional detection device

By integrating a multi-functional detection device, the lifting component and the moving board are used to realize the automatic connection between the detection head and the circuit board, and the control module applies simulated working conditions, which solves the problems of single circuit board detection function and low efficiency in the existing technology, and achieves high efficiency. multifunctional test.

CN119335362APending Publication Date: 2025-01-21CHANGZHOU DUOWEI ELECTRIC
View PDF 8 Cites 0 Cited by

Patent Information

Application Number
CN202411491442.0
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-10-24
Publication Date
2025-01-21

AI Technical Summary

Technical Problem

The existing circuit board detection device has a single function and requires frequent transfer of circuit boards to different detection devices for detection, resulting in low detection efficiency.

Method used

Design a drive circuit board integrated multi-functional detection device, including a workbench, a placement base, a lifting component, a moving board, a detection head and a control module. The lifting component drives the moving board to move, the detection head is connected to the circuit board, and the control module applies simulation Perform multi-function testing under working conditions.

Benefits of technology

It realizes multi-functional testing of circuit boards in a static state, avoids frequent transportation, and significantly improves detection efficiency.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN119335362A_ABST
    Figure CN119335362A_ABST
Patent Text Reader

Abstract

The invention relates to a driving circuit board integrated multifunctional detection device, and relates to the technical field of detection devices. The device comprises a workbench, the workbench is provided with a working frame, the working frame is provided with a placing seat for placing a circuit board, a moving plate is arranged above the placing seat, the moving plate is connected with the working frame through a lifting assembly, the lifting assembly is used for driving the moving plate to move in the direction close to or away from the placing seat, and the workbench is provided with a control module. The movable plate is provided with a detection head, the detection head can be correspondingly inserted into the circuit board, the control module is connected with the circuit board through the detection head, and the control module is used for applying different simulation working conditions to the circuit board. The circuit board detection device has the effects of carrying out multifunctional detection on the circuit board and improving the detection efficiency.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The present application relates to the field of detection devices, and in particular to a multifunctional detection device integrated with a driving circuit board. Background Art

[0002] Before the circuit board leaves the factory, the performance of the circuit board needs to be tested. The general test of the circuit board mainly includes over-current, over-temperature, low speed, etc.

[0003] The detection functions of current circuit board detection devices are relatively single, so in actual use, the circuit board needs to be constantly moved to different detection devices for detection of different functions, resulting in low detection efficiency of the circuit board, which needs to be improved. Summary of the invention In order to improve the problem that a circuit board needs to be replaced with different detection devices for detection, the present application provides a multifunctional detection device integrated with a driving circuit board.

[0004] The present application provides a driver circuit board integrated multifunctional detection device adopts the following technical solution: A driving circuit board integrated multifunctional detection device comprises a workbench, a work frame is provided on the workbench, a placement seat for placing the circuit board is provided on the work frame, a movable plate is provided above the placement seat, the movable plate is connected to the work frame through a lifting assembly, the lifting assembly is used to drive the movable plate to move in a direction close to or away from the placement seat, a control module is provided on the workbench, a detection head is provided on the movable plate, the detection head can be correspondingly inserted on the circuit board, the control module is connected to the circuit board through the detection head, and the control module is used to apply different simulated working conditions to the circuit board.

[0005] By adopting the above technical solution, when in use, the circuit board to be tested is placed on the placement seat, and then the lifting assembly is started to drive the movable plate to move to the placement seat, and the detection head is correspondingly inserted on the circuit board, so that the circuit board is connected to the control module at this time, and then the control module is used to perform simulation tests on the circuit board, such as forward and reverse rotation, control of current size to change the rotation speed, or fault output, etc., to achieve multi-functional testing of the circuit board. During this process, the circuit board remains stationary on the placement seat, and there is no need to transport the circuit board to different devices for detection of different functions, thereby improving the detection efficiency.

[0006] Optionally, a plurality of limit blocks are fixed on the placement seat, the limit blocks are arranged at intervals along the circumference of the circuit board, and the limit blocks can be inserted on the circuit board.

[0007] By adopting the above technical solution, when the circuit board is placed on the placement seat, the limit block is inserted into the gap on the circuit board accordingly, so that the circuit board is positioned on the placement seat and is not prone to deflection, thereby increasing the accuracy of the detection head being aligned with the circuit board.

[0008] Optionally, the lifting assembly includes a driving member and a moving rod, the driving member is arranged on the working frame, the moving plate is fixed to the moving rod, the driving member is connected to the moving rod, and the driving member is used to drive the moving rod to move up and down.

[0009] By adopting the above technical solution, the driving member is started to drive the moving rod to drive the moving plate to move up and down, thereby realizing the connection or separation of the detection head and the circuit board.

[0010] Optionally, the driving member includes a mounting plate, a driving rod and a connecting rod, the mounting plate is arranged on the work frame, one end of the driving rod is hinged on the mounting plate, one end of the connecting rod is hinged on the driving rod, and the other end is hinged on the moving rod. The driving rod is rotated to drive the connecting rod to drive the moving rod to move.

[0011] By adopting the above technical solution, the driving rod is bent so that the driving rod rotates around the connection between the driving rod and the mounting rod, thereby driving the connecting rod to move. The connecting rod rotates on the driving rod, and the overall height of the connecting rod changes, so that the other end of the connecting rod drives the moving rod to move. At the same time, the other end of the connecting rod also rotates on the moving rod, so that the moving rod moves in the vertical direction under the rotation of the driving rod, so as to realize the height adjustment of the moving plate.

[0012] Optionally, the mounting frame is provided with an adjustment component, which is connected to the mounting plate, and the adjustment component includes an adjustment rod and an adjustment block. The working frame is provided with an adjustment hole in the vertical direction, and the mounting plate is provided with a mounting hole. The adjustment rod is provided with the mounting hole and the adjustment hole, and a mounting block is fixed to one end of the adjusting rod. The adjustment block is sleeved on the adjusting rod and threadedly connected to the adjusting rod. The side of the mounting block close to the adjustment block can abut against the mounting plate, and the side of the adjustment block close to the mounting block can abut against the working frame.

[0013] By adopting the above technical solution, the mounting plate is moved, the height of the mounting plate is adjusted, and the adjusting block is rotated so that the adjusting block is pressed against the working frame, and the mounting block is also pressed against the mounting plate, thereby fixing the mounting plate on the working frame, that is, the height of the mounting plate is fixed. Then, the driving rod is rotated to drive the movable plate to move up and down, and the height that the movable plate can reach changes, thereby achieving fine-tuning of the lowest point that the movable plate can reach, so as to adapt to circuit boards of different sizes and have better applicability.

[0014] Optionally, a guide rod is fixed on the workbench, the guide rod is arranged in a vertical direction, a movable plate is passed through the guide rod, and the movable plate can move on the guide rod along the length direction of the guide rod.

[0015] By adopting the above technical solution, when the moving rod drives the moving plate to move, the moving plate moves on the guide rod, and the guide rod plays a role of limiting and guiding, so that the moving plate is not easy to deviate during the movement process. The stability of the moving plate moving in the vertical direction is increased, and the accuracy of the detection head corresponding to the insertion on the circuit board is increased.

[0016] Optionally, a hysteresis brake is provided on the workbench, the output end of the hysteresis brake is connected to the circuit board through the placement seat, and a load rod is rotatably connected to the hysteresis brake. The load rod can rotate around the central axis of the hysteresis brake, and the rotation of the load rod is used to adjust the load size of the circuit board.

[0017] By adopting the above technical solution, in the initial state, the position of the load rod makes the motor in a zero-load state, the hysteresis brake is activated, and the speed of the motor is observed. Then the load rod is rotated to load the motor and the speed of the motor under different loads is tested.

[0018] Optionally, a limit rod is rotatably connected to the work frame, a limit hole is provided on the side wall of the limit rod, the load rod can be inserted into the limit hole, a clamping plate is fixed on the load rod, and the clamping plate can abut against the limit rod.

[0019] By adopting the above technical solution, when the load rod puts the motor at zero load, in order to test the speed of the motor, the limit rod is rotated so that the load rod is relatively inserted in the limit hole. At this time, the clamping plate abuts against the side wall of the limit rod, and the limit rod and the clamping plate cooperate to prevent the load rod from rotating, so as to prevent the operator from accidentally touching it, thereby increasing the accuracy of testing the motor at no-load speed.

[0020] Optionally, the workbench is provided with a plurality of positioning holes, which are arranged in a circle with the central axis of the hysteresis brake as the axis, and the distances between adjacent positioning holes are equal. Positioning rods are inserted into the positioning holes, and the load rod can abut against the positioning rods.

[0021] By adopting the above technical solution, when the load rod is rotated to an appropriate position so that the motor bears a specified load, the positioning rod is inserted into the positioning hole where the load rod is located. At this time, the side wall of the load rod abuts against the positioning rod, and the positioning rod plays a limiting role, so that the load rod cannot rotate, that is, the load will not change during the detection process, thereby increasing the stability of the motor bearing a fixed load.

[0022] Optionally, a hot air hole is formed through the movable plate, the hot air hole is connected to the circuit board, and the hot air hole is used to pass hot air into the circuit board.

[0023] By adopting the above technical solution, hot air is blown onto the circuit board through the hot air holes to test the performance of the circuit board in an over-temperature state.

[0024] In summary, the present application includes at least one of the following beneficial effects: 1. When in use, place the circuit board to be tested on the placement seat, then start the lifting assembly to drive the moving plate to the placement seat, and make the detection head correspondingly inserted on the circuit board, so that the circuit board is now connected with the control module, and then use the control module to perform simulation tests on the circuit board, such as forward and reverse rotation, control current size to change the speed, or fault output, etc., to achieve multi-functional testing of the circuit board. During this process, the circuit board is stationary on the placement seat, and there is no need to move the circuit board to different devices for detection of different functions, which improves the detection efficiency; 2. In the initial state, the position of the load rod makes the motor in a zero-load state, start the hysteresis brake, and observe the motor speed. Then rotate the load rod to load the motor and test the motor speed under different loads. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a front view of a multifunctional detection device integrated with a driver circuit board according to an embodiment of the present application; Figure 2 This is a rear view of the driver circuit board integrated with the multifunctional detection device according to the embodiment of the present application; Figure 3 for Figure 1 Enlarged view of point A in the middle.

[0026] In the figure: 10, workbench; 11, work frame; 111, guide rod; 112, adjustment hole; 12, positioning hole; 20, placement seat; 21, limit block; 30, lifting assembly; 31, driving member; 311, mounting plate; 312, driving rod; 313, connecting rod; 32, moving rod; 40, adjustment assembly; 41, adjustment rod; 411, mounting block; 42, adjustment block; 50, moving plate; 51, detection head; 52, hot air hole; 60, control module; 70, hysteresis brake; 71, load rod; 711, clamping plate; 80, limit rod; 81, limit hole; 90, positioning rod. DETAILED DESCRIPTION

[0027] The following is combined with Figure 1-3 This application is described in further detail.

[0028] The embodiment of the present application discloses a multifunctional detection device integrated with a driving circuit board. Figure 1 and Figure 2 The driving circuit board integrated multifunctional detection device includes a workbench 10, a work frame 11 is fixed on the workbench 10, a placement seat 20 is installed on the work frame 11 by bolts, the circuit board can be placed on the placement seat 20, a plurality of limit blocks 21 are fixed on the placement seat 20, the plurality of limit blocks 21 are arranged at intervals along the circumference of the circuit board, and the limit blocks 21 can be inserted into the notches on the circumferential side of the circuit board, so that the circuit board is positioned on the placement seat 20 and is not easily offset.

[0029] Reference Figure 1 and Figure 2 A movable plate 50 is provided above the placement seat 20, and the movable plate 50 is connected to the workbench 11 through a lifting assembly 30. The lifting assembly 30 is used to drive the movable plate 50 to move toward or away from the placement seat 20. A detection head 51 is provided on the movable plate 50, and the detection head 51 can be correspondingly inserted on the circuit board. A control module 60 is installed on the workbench 10. The control module 60 is connected to the detection head 51 signal through wires, that is, the control module 60 can be connected to the circuit board through the detection head 51, and the control module 60 is used to apply different simulated working conditions to the circuit board.

[0030] When in use, the circuit board to be tested is placed on the placement seat 20, and then the lifting assembly 30 is started to drive the movable plate 50 to move to the placement seat 20, and the detection head 51 is correspondingly inserted on the circuit board, so that the circuit board is now connected to the control module 60, and then the control module 60 is used to perform simulation tests on the circuit board, such as forward and reverse rotation, controlling the current size to change the rotation speed, or fault output, etc., to achieve multi-functional testing of the circuit board. During this process, the circuit boards are stationary on the placement seat 20, and there is no need to transport the circuit boards to different devices for testing of different functions, thereby improving the detection efficiency.

[0031] Reference Figure 1 and Figure 2 In order to test the performance of the circuit board under over-temperature condition, a hot air hole 52 is formed on the movable plate 50. The hot air hole 52 is connected to the circuit board. A hot air gun is aimed at the hot air hole 52 and hot air is passed into the circuit board, so that the circuit board is in a high temperature state, thereby measuring the performance of the circuit board.

[0032] Reference Figure 1 and Figure 2, wherein the lifting assembly 30 includes a driving member 31 and a moving rod 32, the driving member 31 includes a mounting plate 311, a driving rod 312 and a connecting rod 313, the mounting plate 311 is installed on the workbench 11 through the adjustment assembly 40, one end of the driving rod 312 is hinged on the mounting plate 311, one end of the connecting rod 313 is hinged on the driving rod 312, and the other end is hinged on the moving rod 32, the driving rod 312 is rotated to drive the connecting rod 313 to drive the moving rod 32 to move, and the end of the moving rod 32 away from the connecting rod 313 is fixed to the moving plate 50.

[0033] The driving rod 312 is bent so that the driving rod 312 rotates around the connection between the driving rod 312 and the mounting rod, thereby driving the connecting rod 313 to move. The connecting rod 313 rotates on the driving rod 312, and the overall height of the connecting rod 313 changes, so that the other end of the connecting rod 313 drives the moving rod 32 to move. At the same time, the other end of the connecting rod 313 also rotates on the moving rod 32, so that the moving rod 32 moves in the vertical direction under the rotation of the driving rod 312, driving the moving plate 50 to move up and down, thereby realizing the connection or separation of the detection head 51 and the circuit board.

[0034] Reference Figure 1 and Figure 2 In order to increase the stability of the movement of the movable plate 50, a guide rod 111 is fixed on the work frame 11. The guide rod 111 is arranged in the vertical direction. The guide rod 111 passes through the movable plate 50. The movable plate 50 can move on the guide rod 111 along the length direction of the guide rod 111.

[0035] When the moving rod 32 drives the moving plate 50 to move, the moving plate 50 moves on the guide rod 111, and the guide rod 111 plays a role of limiting and guiding, so that the moving plate 50 is not easily offset during the movement process. The stability of the moving plate 50 moving in the vertical direction is increased, and the accuracy of the detection head 51 correspondingly inserted on the circuit board is increased.

[0036] Reference Figure 1 and Figure 2 , wherein the adjustment component 40 includes an adjustment rod 41 and an adjustment block 42, an adjustment hole 112 is opened through the working frame 11 in the vertical direction, a mounting hole is opened through the mounting plate 311, the adjustment rod 41 is penetrated with the mounting hole and the adjustment hole 112, one end of the adjustment rod 41 is fixed with a limit block 21, the adjustment block 42 is sleeved on the other end of the adjustment rod 41 and is threadedly connected to the adjustment rod 41, the side of the limit block 21 close to the adjustment block 42 can abut against the mounting plate 311, and the side of the adjustment block 42 close to the limit block 21 can abut against the working frame 11.

[0037] The mounting plate 311 is moved to adjust the height of the mounting plate 311, and the moving distance of the mounting plate 311 is within the length range of the adjusting hole 112. When the mounting plate 311 reaches a suitable height, the adjusting block 42 is rotated so that the adjusting block 42 is pressed against the working frame 11, and the limit block 21 is also pressed against the mounting plate 311, thereby clamping and fixing the mounting plate 311 on the working frame 11, thereby fixing the mounting plate 311 on the working frame 11, that is, fixing the height of the mounting plate 311. Then, the driving rod 312 is rotated to drive the movable plate 50 to move up and down, and the height that the movable plate 50 can reach changes, so as to achieve fine-tuning of the lowest point that the movable plate 50 can reach, so as to adapt to circuit boards of different sizes, and have better applicability.

[0038] Reference Figure 1 and Figure 2 A hysteresis brake 70 is provided on the workbench 11, and the output end of the hysteresis brake 70 is connected to the circuit board through the placement seat 20. A load rod 71 is rotatably connected to the hysteresis brake 70, and the load rod 71 can rotate around the central axis of the hysteresis brake 70. The rotation of the load rod 71 is used to generate different torques on the motor, thereby adjusting the load size of the motor.

[0039] In the initial state, the position of the load rod 71 makes the motor in a zero-load state, the hysteresis brake 70 is started, and the speed of the motor is observed. Then, the load rod 71 is rotated to load the motor and test the speed of the motor under different loads.

[0040] Reference Figure 1 and Figure 3 When the load rod 71 makes the motor at zero load, in order to test the motor speed, the limit rod 80 is rotatably connected on the work frame 11, and a limit hole 81 is provided on the side wall of the limit rod 80. The load rod 71 is inserted into the limit hole 81. A clamping plate 711 is fixed on the load rod 71, and the clamping plate 711 abuts against the limit rod 80. At this time, the limit rod 80 and the clamping plate 711 cooperate, so that the load rod 71 cannot rotate, so as to prevent the operator from accidentally touching it, thereby increasing the accuracy of testing the motor speed at no load.

[0041] Reference Figure 1 When the load rod 71 rotates to an appropriate position so that the motor bears a specified load, in order to prevent the load rod 71 from rotating and causing the load to change, a plurality of positioning holes 12 are opened on the workbench 10. The plurality of positioning holes 12 are arranged in a circle with the central axis of the hysteresis brake 70 as the axis. The distances between adjacent positioning holes 12 are equal. Positioning rods 90 are inserted into the positioning holes 12. When the load rod 71 reaches the appropriate position, the positioning rod 90 is inserted into the positioning hole 12 where the load rod 71 is located. At this time, the side wall of the load rod 71 abuts against the positioning rod 90, and the positioning rod 90 plays a limiting role, so that the load rod 71 cannot rotate, that is, the load will not change during the detection process, thereby increasing the stability of the motor bearing a fixed load.

[0042] The implementation principle of a driving circuit board integrated multifunctional detection device according to an embodiment of the present application is as follows: when in use, the circuit board to be detected is placed on the placement seat 20, and then the lifting assembly 30 is started to drive the movable plate 50 to move to the placement seat 20, and the detection head 51 is correspondingly inserted on the circuit board, so that the circuit board is now connected to the control module 60, and then the control module 60 is used to perform simulation tests on the circuit board, such as forward and reverse rotation, controlling the current size to change the rotation speed, or fault output, etc., to achieve multifunctional testing of the circuit board. During this process, the circuit boards are stationary on the placement seat 20, and there is no need to transport the circuit boards to different devices for detection of different functions, thereby improving the detection efficiency.

[0043] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A multifunctional detection device integrated with a driving circuit board, characterized in that: The invention comprises a workbench (10), wherein a work frame (11) is provided on the workbench (10), a placement seat (20) for placing a circuit board is provided on the work frame (11), a movable plate (50) is provided above the placement seat (20), the movable plate (50) is connected to the work frame (11) via a lifting assembly (30), the lifting assembly (30) is used to drive the movable plate (50) to move towards or away from the placement seat (20), the workbench (10) is provided with a control module (60), the movable plate (50) is provided with a detection head (51), the detection head (51) can be correspondingly inserted on the circuit board, the control module (60) is connected to the circuit board via the detection head (51), and the control module (60) is used to apply different simulated working conditions to the circuit board.

2. The driver circuit board integrated multifunctional detection device according to claim 1, characterized in that: A plurality of limit blocks (21) are fixed on the placement seat (20), the limit blocks (21) are arranged at intervals along the circumference of the circuit board, and the limit blocks (21) can be inserted on the circuit board.

3. The driver circuit board integrated multifunctional detection device according to claim 1, characterized in that: The lifting assembly (30) comprises a driving member (31) and a moving rod (32); the driving member (31) is arranged on the working frame (11); the moving plate (50) is fixed to the moving rod (32); the driving member (31) is connected to the moving rod (32); and the driving member (31) is used to drive the moving rod (32) to move up and down.

4. The driver circuit board integrated multifunctional detection device according to claim 3, characterized in that: The driving member (31) comprises a mounting plate (311), a driving rod (312) and a connecting rod (313); the mounting plate (311) is arranged on the working frame (11); one end of the driving rod (312) is hinged on the mounting plate (311); one end of the connecting rod (313) is hinged on the driving rod (312), and the other end is hinged on the moving rod (32); the driving rod (312) is rotated to drive the connecting rod (313) to drive the moving rod (32) to move.

5. The driver circuit board integrated multifunctional detection device according to claim 4, characterized in that: The mounting frame is provided with an adjustment component (40), the adjustment component (40) is connected to the mounting plate (311), the adjustment component (40) comprises an adjustment rod (41) and an adjustment block (42), the working frame (11) is provided with an adjustment hole (112) in a vertical direction, the mounting plate (311) is provided with a mounting hole, the adjustment rod (41) is provided with the mounting hole and the adjustment hole (112), one end of the adjustment rod (41) is fixed with a mounting block (411), the adjustment block (42) is sleeved on the adjustment rod (41) and is threadedly connected to the adjustment rod (41), a side of the installation block (411) close to the adjustment block (42) can abut against the mounting plate (311), and a side of the adjustment block (42) close to the installation block (411) can abut against the working frame (11).

6. The driver circuit board integrated multifunctional detection device according to claim 1, characterized in that: A guide rod (111) is fixed on the working frame (11), the guide rod (111) is arranged in a vertical direction, a movable plate (50) is passed through the guide rod (111), and the movable plate (50) can move on the guide rod (111) along the length direction of the guide rod (111).

7. The driver circuit board integrated multifunctional detection device according to claim 1, characterized in that: The working frame (11) is provided with a hysteresis brake (70), the output end of the hysteresis brake (70) is connected to the circuit board through the placement seat (20), and the hysteresis brake (70) is rotatably connected with a load rod (71), and the load rod (71) can rotate around the central axis of the hysteresis brake (70), and the rotation of the load rod (71) is used to adjust the load size of the circuit board.

8. The driver circuit board integrated multifunctional detection device according to claim 7, characterized in that: The work frame (11) is rotatably connected to a limit rod (80), a limit hole (81) is provided on a side wall of the limit rod (80), the load rod (71) can be inserted into the limit hole (81), a clamping plate (711) is fixed on the load rod (71), and the clamping plate (711) can abut against the limit rod (80).

9. The driver circuit board integrated multifunctional detection device according to claim 7, characterized in that: The workbench (10) is provided with a plurality of positioning holes (12), the plurality of positioning holes (12) being arranged in a circle with the central axis of the hysteresis brake (70) as the axis, and the distances between adjacent positioning holes (12) being equal, a positioning rod (90) being inserted into the positioning hole (12), and the load rod (71) being capable of abutting against the positioning rod (90).

10. The driver circuit board integrated multifunctional detection device according to claim 1, characterized in that: The movable plate (50) is provided with a hot air hole (52) which is in communication with the circuit board and is used to pass hot air into the circuit board.

Citation Information

Patent Citations

  • Auxiliary detection jig

    CN102466737A

  • PCBA test device and test method

    CN105738792A

  • Load locked-rotor endurance test system and test method thereof

    CN109324238A

  • Circuit board automatic testing method, system and equipment

    CN113030705A

  • Automobile -used motor load analog system and electro magnetic compatibility test system

    CN206804764U