PCBA board function testing device
By introducing a positioning structure and a compression mechanism into the PCBA board functional testing device, the problem of low detection efficiency is solved, and the accurate positioning and stable compression of the PCBA board is achieved, which improves the detection efficiency and operation simplicity.
Patent Information
- Application Number
- CN202323600313.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-28
- Publication Date
- 2025-01-03
- Estimated Expiration
- 2033-12-28
AI Technical Summary
The lack of positioning structures in the existing PCBA board functional test device results in low detection efficiency, and it is necessary to manually adjust the position of the PCBA board to ensure the accurate insertion of the test thimble.
A functional testing device for PCBA plates including support platform, test structure and compression structure is designed. By setting positioning columns and support columns on the support platform, positioning of PCBA plates is achieved using test holes and test curve needles, and through the drive mechanism and pressing parts to achieve accurate compression and release of PCBA boards.
It improves detection efficiency, simplifies the operation process, ensures the accurate insertion of the test thimble and the stable support of the PCBA board, and is suitable for testing of small PCBA boards.
Smart Images
Figure CN222299743U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of testing devices, and in particular relates to a PCBA board function testing device. Background Art
[0002] PCBA is a circuit board formed after PCB is mounted on SMT and DIP is inserted. After the PCBA is completed, it needs to be tested for stability, safety, and whether the functions can be realized.
[0003] When the existing PCBA boards are inspected before entering the factory, they are usually stimulated manually, and then the output results are tested with a multimeter or oscilloscope to determine whether the PCBA boards are good or bad. However, manual inspection of PCBA boards before entering the factory is too troublesome and requires high standards of workers, which is not conducive to industrial mass production of circuit boards.
[0004] In view of the shortcomings brought by manual inspection, the existing patent provides a fixed PCBA board semi-automatic testing tool (Announcement No. CN217561650U), the output end of the test module is connected to the input end of the processing module, and the output end of the processing module is connected to the input end of the display module; the installation device includes a bottom column, a lower die base, an upper pressing plate and a driving mechanism, the lower die base is fixedly arranged on the bottom column, the upper pressing plate is arranged directly above the lower die base, the driving mechanism is used to drive the upper pressing plate to rise and fall vertically, and a plurality of test ejector pins are arranged on the top wall of the lower die base and / or the bottom wall of the upper pressing plate, and the test ejector pins are connected to the contact on the PCBA board. The input and output of the test module correspond to each other one by one, and the input and output of the test module are connected to the output and input of the PCBA board through the test pins; the test module is used to input excitation to the PCBA board and collect the feedback signal of the PCBA board to collect the operation status of the PCBA board and obtain the operation information of the PCBA board; the processing module is used to receive the operation information sent by the test module, and after determining the state of the PCBA board according to the operation information, send a display signal matching the state of the PCBA board to the display module; the display module is used to receive the display signal sent by the processing module and display the result according to the display signal. The staff can quickly judge whether the functions of the PCBA board to be tested are intact by watching the display content of the display module, and the requirements for workers are low, which greatly improves the inspection efficiency of the PCBA board.
[0005] In the above-mentioned prior art, the PCBA board to be tested is placed on the lower die base, and the test ejector pin on the upper pressure plate corresponds to the interface on the PCBA board to implement the test. No positioning structure is provided on the lower die base. Therefore, when the staff places the PCBA board to be tested, it is necessary to ensure that the placement position of the PCBA board to be tested is accurate so that the test ejector pin on the upper pressure plate can be accurately inserted into the interface on the PCBA board during the downward movement. Therefore, the position of the PCBA board to be tested may be repeatedly adjusted to ensure the accuracy of the position, which will lead to low detection efficiency. Utility Model Content
[0006] The utility model aims to provide a PCBA board function test device to solve the problem in the prior art that no positioning structure is provided to locate the position of the PCBA board to be tested, resulting in low detection efficiency.
[0007] In order to achieve the above-mentioned purpose, the technical solution of the utility model is: a PCBA board function test device, comprising a supporting platform, a test structure and a clamping structure, the clamping structure and the test structure are installed on the supporting platform, the test structure comprises a test PCBA board and a display mechanism connected to the test PCBA board, the display mechanism is used to display the test result, the PCBA board under test is provided with a test hole, the surface of the test PCBA board is provided with a test bent pin corresponding to the test hole, and the test bent pin can be inserted into the test hole; the length and width of the test PCBA board are greater than the length and width of the PCBA board under test; the clamping structure is located above the PCBA board under test and is used to press the PCBA board under test onto the test PCBA board.
[0008] Furthermore, the support platform includes a bottom plate, a bottom box and a support block, the bottom box is fixed under the bottom plate, the support block is fixed on the bottom plate, and the clamping structure is installed on the support block.
[0009] Furthermore, the clamping structure includes a driving mechanism, a clamping plate and two groups of clamping parts. The driving mechanism is used to drive the clamping plate to move vertically. The two groups of clamping parts are installed on the lower side of the clamping plate and are respectively located at both ends of the clamping plate. The clamping parts are used to press the PCBA board under test.
[0010] Furthermore, the driving mechanism includes a support plate and a driving member, wherein the driving member is mounted on the support plate and is used to drive the pressing plate to move vertically.
[0011] Furthermore, the support plate is also provided with a fixing plate, the fixing plate is provided with a guide sleeve, the driving rod of the driving member is arranged in the guide sleeve, and the guide sleeve is used to guide the driving rod; the bottom of the driving rod is fixed to the clamping plate.
[0012] Furthermore, the display mechanism includes a voltmeter, an ammeter and a display screen, wherein the voltmeter is used to display the voltage of the PCBA board under test; the ammeter is used to display the current of the PCBA board under test; and the display screen is used to display the performance data of the PCBA board under test.
[0013] Furthermore, a charger is included, and the charger is connected to the test PCBA board.
[0014] Furthermore, the driving member is a quick clamp, a cylinder, an electric push rod or a linear motor.
[0015] Furthermore, a switch is included, and the switch is used to start the test PCBA board.
[0016] Furthermore, four support members are fixed on the support platform, each of the support members includes a positioning column and a support column arranged from top to bottom, the diameter of the positioning column is smaller than the diameter of the support column, four positioning holes corresponding to the positioning columns are provided at the four corners of the test PCBA board, the positioning column can be inserted into the positioning hole and position the positioning hole, the diameter of the support column is larger than the diameter of the positioning hole, and the support column is used to support the test PCBA board.
[0017] The working principle of this technical solution is: place the PCBA board under test on the test PCBA board and ensure that the test hole is aligned with the test bend needle, and position the test hole through the test bend needle. The driver drives the clamping plate and the clamping member on the clamping plate to move downward to clamp the PCBA board under test, so that the PCBA board under test and the test PCBA board are connected through the test bend needle, and then the switch is turned on for testing. When the test is completed, turn off the switch, drive the clamping plate and the clamping member on the clamping plate to move upward to loosen the PCBA board under test, remove the PCBA board under test, and then use it next time.
[0018] The beneficial effects of this technical solution are:
[0019] ① The utility model can realize detection and other operations more conveniently and has a simple structure.
[0020] ② In the utility model, the positioning of the PCBA board to be tested is achieved through the test hole and the test bent needle, and no manual adjustment is required, thereby improving efficiency.
[0021] ③ The guide sleeve in the utility model can guide the clamping plate and the driving member, ensuring the accuracy of the movement of the clamping plate and the clamping member.
[0022] ④ In the utility model, the support member is used to support and position the test PCBA board, so as to avoid the test PCBA board from being offset, which may eventually cause the clamping member to fail to accurately press on the surface of the PCBA board being tested.
[0023] ⑤ In the utility model, the length and width of the test PCBA board are greater than the length and width of the tested PCBA board, and the clamping parts are located at both ends of the clamping plate. Therefore, the utility model is particularly suitable for testing small PCBA boards. BRIEF DESCRIPTION OF THE DRAWINGS
[0024] Figure 1 This is a structural schematic diagram of a PCBA board function testing device of the utility model;
[0025] Figure 2 The utility model is a structural schematic diagram of a PCBA board function testing device during testing. DETAILED DESCRIPTION
[0026] The following is further described in detail through specific implementation methods:
[0027] The figure marks in the drawings of the specification include: support platform 1, support block 2, support plate 3, clamping plate 4, clamping member 5, bottom box 6, driving member 7, voltmeter 8, ammeter 9, switch 10, display screen 11, charger 12, support member 13, test PCBA board 14, test bending needle 15, PCBA board under test 16, driving rod 17, guide sleeve 18, bottom plate 19.
[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0029] The embodiment is basically as shown in the attached Figure 1-2 As shown: A PCBA board function test device includes a support platform 1, a test structure and a clamping structure, and the clamping structure and the test structure are installed on the support platform 1. The support platform 1 includes a bottom plate 19, a bottom box 6 and a support block 2, the bottom box 6 is fixed under the bottom plate 19, and the support block 2 is fixed on the bottom plate 19. In this embodiment, two groups of support blocks 2 are provided and are respectively located on both sides of the bottom plate 19.
[0030] The test structure includes a test PCBA board 14 and a display mechanism connected to the test PCBA board 14, the display mechanism is used to display the test results, and the display mechanism includes a voltmeter 8, an ammeter 9 and a display screen 11, the voltmeter 8 is used to display the voltage of the tested PCBA board 16; the ammeter 9 is used to display the current of the tested PCBA board 16; the display screen 11 is used to display the performance data of the tested PCBA board 16. The tested PCBA board 16 is provided with a test hole, and the surface of the test PCBA board 14 is provided with a test bent pin 15 corresponding to the test hole, and the test bent pin 15 can be inserted into the test hole; the length and width of the test PCBA board 14 are greater than the length and width of the tested PCBA board 16.
[0031] Four support members 13 are fixed on the support platform 1, each support member 13 includes a positioning column and a support column arranged from top to bottom, the diameter of the positioning column is smaller than the diameter of the support column, four positioning holes corresponding to the positioning columns are arranged at the four corners of the test PCBA board 14, the positioning columns can be inserted into the positioning holes and position the positioning holes, the diameter of the support column is larger than the diameter of the positioning hole, that is, the support column cannot be inserted into the positioning hole, and the support column is used to support the test PCBA board 14. The support member 13 can adopt an existing stud, specifically a hexagonal copper stud.
[0032] The clamping structure is located above the PCBA board 16 to be tested and is used to clamp the PCBA board 16 to be tested on the test PCBA board 14. The clamping structure includes a driving mechanism, a clamping plate 4 and two sets of clamping members 5. The driving mechanism is used to drive the clamping plate 4 to move vertically. The driving mechanism includes a support plate 3 and a driving member 7. The driving member 7 is installed on the support plate 3. The driving member 7 is used to drive the clamping plate 4 to move vertically. The driving member 7 adopts a quick clamp, a cylinder, an electric push rod or a linear motor. In this embodiment, it is a quick clamp. Both sides of the support plate 3 are installed on the support block 2. A fixed plate is also provided on the support plate 3. A guide sleeve 18 is provided on the fixed plate. The driving rod 17 of the driving member 7 is arranged in the guide sleeve 18. The guide sleeve 18 is used to guide the driving rod 17. The bottom of the driving rod 17 is fixed to the clamping plate 4. The two sets of clamping members 5 are installed on the lower side of the clamping plate 4 and are respectively located at the two ends of the clamping plate 4. The clamping member 5 is used to press the PCBA board 16 to be tested.
[0033] The supporting platform 1 is also provided with a charger 12 and a switch 10 (specifically, a rocker-type switch 10 ) connected to the test PCBA board 14 , and the switch 10 is used to start the test PCBA board 14 .
[0034] The specific implementation process is as follows:
[0035] Place the PCBA board 16 to be tested on the test PCBA board 14 and ensure that the test hole is aligned with the test curved pin 15, and position the test hole through the test curved pin 15. Drive the clamping plate 4 and the clamping member 5 on the clamping plate 4 to move downward to clamp the PCBA board 16 to be tested, so that the PCBA board 16 to be tested and the test PCBA board 14 are connected through the test curved pin 15, and then turn on the switch 10 for testing. When the test is completed, turn off the switch 10, drive the clamping plate 4 and the clamping member 5 on the clamping plate 4 to move upward through the drive 7 to loosen the PCBA board 16 to be tested, remove the PCBA board 16 to be tested, and then use it next time.
[0036] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.
[0037] The above is only an embodiment of the utility model. The common sense such as the known specific structure and characteristics in the scheme is not described in detail here. The ordinary technicians in the relevant field know all the common technical knowledge in the technical field of the utility model before the application date or priority date, can obtain all the existing technologies in the field, and have the ability to apply the conventional experimental means before that date. The ordinary technicians in the relevant field can improve and implement this scheme in combination with their own abilities under the enlightenment given by this application. Some typical known structures or known methods should not become obstacles for ordinary technicians in the relevant field to implement this application. It should be pointed out that for the technicians in this field, without departing from the structure of the utility model, several deformations and improvements can be made, which should also be regarded as the protection scope of the utility model, which will not affect the effect of the implementation of the utility model and the practicality of the patent. The protection scope required by this application shall be based on the content of its claims, and the specific implementation methods and other records in the specification can be used to explain the content of the claims.
Claims
1. A PCBA board function test device, characterized in that: The invention comprises a support platform (1), a test structure and a pressing structure, wherein the pressing structure and the test structure are mounted on the support platform (1); the test structure comprises a test PCBA board (14) and a display mechanism connected to the test PCBA board (14); the display mechanism is used to display test results; a test hole is provided on the PCBA board (16) to be tested; a test curved pin (15) corresponding to the test hole is provided on the surface of the test PCBA board (14); the test curved pin (15) can be inserted into the test hole; the length and width of the test PCBA board (14) are greater than the length and width of the PCBA board (16) to be tested; and the pressing structure is located above the PCBA board (16) to be tested and is used to press the PCBA board (16) to be tested onto the test PCBA board (14).
2. A PCBA board function testing device according to claim 1, characterized in that: The support platform (1) comprises a base plate (19), a base box (6) and a support block (2); the base box (6) is fixed below the base plate (19); the support block (2) is fixed on the base plate (19); and the clamping structure is mounted on the support block (2).
3. A PCBA board function testing device according to claim 1, characterized in that: The clamping structure comprises a driving mechanism, a clamping plate (4) and two groups of clamping members (5); the driving mechanism is used to drive the clamping plate (4) to move vertically; the two groups of clamping members (5) are installed on the lower side of the clamping plate (4) and are respectively located at two ends of the clamping plate (4); the clamping members (5) are used to press the PCBA board (16) under test.
4. A PCBA board function testing device according to claim 3, characterized in that: The driving mechanism comprises a support plate (3) and a driving member (7), wherein the driving member (7) is mounted on the support plate (3), and the driving member (7) is used to drive the pressing plate (4) to move vertically.
5. A PCBA board function testing device according to claim 4, characterized in that: The support plate (3) is also provided with a fixing plate, the fixing plate is provided with a guide sleeve (18), the driving rod (17) of the driving member (7) is arranged in the guide sleeve (18), and the guide sleeve (18) is used to guide the driving rod (17); the bottom of the driving rod (17) is fixed to the clamping plate (4).
6. A PCBA board function testing device according to claim 1, characterized in that: The display mechanism comprises a voltmeter (8), an ammeter (9) and a display screen (11); the voltmeter (8) is used to display the voltage of the PCBA board (16) under test; the ammeter (9) is used to display the current of the PCBA board (16) under test; and the display screen (11) is used to display performance data of the PCBA board (16) under test.
7. A PCBA board function testing device according to claim 1, characterized in that: It also includes a charger (12), wherein the charger (12) is connected to the test PCBA board (14).
8. A PCBA board function testing device according to claim 5, characterized in that: The driving member (7) is a quick clamp, a cylinder, an electric push rod or a linear motor.
9. A PCBA board function testing device according to claim 8, characterized in that: It also includes a switch (10), wherein the switch (10) is used to start the test PCBA board (14).
10. A PCBA board function testing device according to claim 1, characterized in that: Four support members (13) are fixed on the support platform (1), each of the support members (13) comprises a positioning column and a support column arranged from top to bottom, the diameter of the positioning column is smaller than the diameter of the support column, four positioning holes corresponding to the positioning columns are arranged at the positions of the four corners of the test PCBA board (14), the positioning columns can be inserted into the positioning holes and position the positioning holes, the diameter of the support column is larger than the diameter of the positioning hole, and the support column is used to support the test PCBA board (14).