PCB (Printed Circuit Board) test fixture
By integrating continuity testing components and interface testing components into the PCB board testing fixture, the problem that traditional equipment cannot perform multiple tests simultaneously is solved, thus achieving efficient PCB board testing.
Patent Information
- Application Number
- CN202520331495.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-26
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-02-26
AI Technical Summary
Traditional PCB testing equipment cannot perform multiple tests simultaneously on the same device, resulting in low testing efficiency.
Design a PCB board test fixture that integrates a continuity test component and an interface test component in the same device. The continuity test component and the interface test component work together on the test bench to complete the continuity test and interface test.
It enables simultaneous continuity testing and interface testing on the same device, significantly improving the efficiency of PCB board testing.
Smart Images
Figure CN223857352U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to PCB board test technical field especially relates to a PCB board test fixture. BACKGROUND
[0002] PCB board, namely printed circuit board, is a kind of board product formed by laminating together structure such as wire and electronic component by printing technology.PCB board test is the key step to ensure the quality and reliability of printed circuit board (PCB board), covers multiple aspects such as electrical performance, function verification and reliability evaluation.Conductive test, interface test, insulation resistance test, voltage resistance test, impedance test, aging test and the like.
[0003] In traditional equipment, one device is usually used to complete one type of test, for example, the device used for conduction test can only test conductivity, and the device used for interface test can only test interface connection, so multiple tests cannot be performed on the same equipment, resulting in low test efficiency. UTILITY MODEL CONTENT
[0004] In order to overcome the shortcomings of the prior art that one device is used to complete one type of test, for example, the device used for conduction test can only test conductivity, and the device used for interface test can only test interface connection, so multiple tests cannot be performed on the same equipment, resulting in low test efficiency, the utility model provides a PCB board test fixture, which comprises:
[0005] A base is provided with a test table for placing a PCB board.
[0006] A conduction test assembly is installed on the base and comprises a test probe, a first moving table and a first driver, the test probe is fixed to the first moving table and / or the base, the test probe is used to contact a test point on the PCB board, and the first driver is in transmission connection with the first moving table.
[0007] An interface test assembly is installed on the base and comprises a connecting head, a second moving table and a second driver, the connecting head is installed on the second moving table, the second driver is in transmission connection with the second moving table, and the connecting head is used to connect with an interface on the PCB board.
[0008] Optionally, a spring seat is arranged on the base, a spring is arranged in the spring seat, and the test table is installed on the spring.
[0009] Optionally, the first driver comprises a first quick clamp, the first quick clamp is detachably fixed to the base, and the first moving table is connected to the output end of the first quick clamp.
[0010] Optionally, the base is provided with a support frame, the support frame is provided with a mounting seat, and the first quick clamp is detachably fixed on the mounting seat.
[0011] Optionally, the mounting seat is provided with a long hole, the first quick clamp is provided with a through hole, and the first quick clamp is fixed on the mounting seat through bolts and nuts.
[0012] Optionally, the first moving table is provided with a jacking post, and the jacking post is on the same side of the test probe.
[0013] Optionally, the second driver includes a second quick clamp, the second quick clamp is fixed on the base, the second moving table is connected to the output end of the quick clamp, the base is provided with a guide rail, the guide rail is provided with a sliding block, and the second moving table is connected with the sliding block.
[0014] Optionally, the base is provided with a long hole, the second quick clamp is provided with a through hole, and the second quick clamp is fixed on the base through bolts and nuts.
[0015] Optionally, the second moving table is provided with a fixing groove, the connecting head is arranged in the fixing groove, the fixing groove is provided with a cover plate, and the cover plate is detachably connected with the second moving table.
[0016] Optionally, the test table is provided with a mounting groove, and the mounting groove is provided with a through hole.
[0017] The beneficial effects of the utility model are that the turn-on test assembly and the interface test assembly are arranged on the base at the same time, the turn-on test and the interface test are completed on the test table through the turn-on test assembly and the interface test assembly, the turn-on test and the interface test are completed on the same device, and the test work completion efficiency of the PCB is greatly improved. BRIEF DESCRIPTION OF DRAWINGS
[0018] The utility model is further described below in combination with the drawings and examples.
[0019] Figure 1 It is an assembly schematic view in some examples;
[0020] Figure 2 It is an assembly schematic view in some examples;
[0021] Figure 3 It is an assembly schematic view in some examples;
[0022] Figure 4 It is an assembly schematic view in some examples;
[0023] Figure 5 It is an explosion structure schematic view in some examples;
[0024] Figure 6Fig. 1 is a structural schematic diagram of a turn-on test assembly in some embodiments;
[0025] Figure 7 Fig. 2 is a structural schematic diagram of a base in some embodiments;
[0026] Figure 8 Fig. 3 is a structural schematic diagram of an interface test assembly in some embodiments;
[0027] Figure 9 Fig. 4 is an exploded structural schematic diagram of an interface test assembly in some embodiments.
[0028] Legend of reference signs:
[0029] 1, base; 101, spring seat; 102, spring; 103, support frame; 104, mounting seat; 2, test bench; 201, mounting groove; 3, turn-on test assembly; 301, test probe; 302, first moving table; 303, first driver; 304, top post; 4, interface test assembly; 401, connector; 402, second moving table; 403, second driver; 404, fixing groove; 405, cover plate. DETAILED DESCRIPTION
[0030] The concept, specific structure and generated technical effects of the present application will be described clearly and completely in combination with embodiments and drawings, so as to fully understand the purpose, features and effects of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application. In addition, all the coupling / connection relations involved in the patent do not mean that the components are directly connected, but means that a better coupling structure can be composed by adding or reducing coupling auxiliary components according to the specific implementation situation. The various technical features in the present application can be interactively combined without mutual contradiction and conflict.
[0031] As Figure 1The utility model provides a PCB test fixture, its characterized in be provided with: base 1 is equipped with test table 2, and test table 2 is used for placing PCB board, and the test probe 301, first mobile station 302, first driver 303 of on -off test subassembly 3, the test probe 301 is fixed on first mobile station 302 and / or base 1, and the test probe 301 is used for contacting the test point on PCB board, and first driver 303 is transmission connection with first mobile station 302, and first driver 303 is installed on base 1, and the connection head 401, second mobile station 402, second driver 403 of interface test subassembly 4, and the connection head 401 is installed on second mobile station 402, and second driver 403 is transmission connection with second mobile station 402, and the connection head 401 is used for connecting with the interface on PCB board, and second driver 403 is installed on base 1, wherein, on -off test subassembly 3 is used to carry out on -off test to PCB board, and interface test subassembly 4 is used to carry out interface test to PCB board.
[0032] When implementing, test table 2 is installed on base 1, first driver 303 in on -off test subassembly 3 is installed on base 1, first mobile station 302 is transmission connection with first driver 303, since in on -off test, the front and back of PCB board can be tested, and it is also possible that only the front or back needs to be tested, therefore, the test probe 301 can be fixed on first mobile station 302 and base 1, or the test probe 301 is fixed on first mobile station 302 or base 1 only, second driver 403 is installed on base 1, second mobile station 402 is installed on second driver 403, and connection head 401 is installed on second mobile station 402, the PCB board to be tested is placed on test table 2, if the front and back of the PCB board to be tested needs to be tested, then test probe 301 is installed on first mobile station 302 and base 1, the test probe 301 adopts the type commonly used in the market, which includes a needle tube, a needle head, a spring 102 arranged in the needle tube, and the needle head is installed in the needle tube and connected with the spring 102, first driver 303 drives first mobile station 302 to approach the PCB board on test table 2, so that the test probe 301 on first mobile station 302 contacts the test point on the PCB board, test table 2 is on base 1, the test probe 301 on base 1 can directly contact the PCB board on test table 2, realizing on -off test, second driver 403 drives second mobile station 402 to move towards test table 2, and the connection head 401 on second mobile station 402 is connected to the interface of the PCB board, realizing interface test, on -off test subassembly 3 and interface test subassembly 4 are arranged on base 1 at the same time, on -off test and interface test are completed on test table 2 by on -off test subassembly 3 and interface test subassembly 4, so that on -off test and interface test can be completed on the same device, greatly improving the efficiency of the test work of the PCB board.
[0033] Further, the test table 2 is arranged on the top surface of the base 1, the test table 2 is supported on the base 1, and the test table 2 has a spacing with the base 1, the first moving table 302 is located above the test table 2, the test probe 301 on the base 1 is located below the test table 2, the test table 2 has an opening or a through hole for the test probe 301 to pass through, the PCB board on the test table 2 is placed flat, the test probe 301 on the base 1 can directly contact the test points on the bottom surface of the PCB board by passing through the opening or the through hole on the test table 2, the first moving table 302 is driven by the first driver 303 to move close to the PCB board on the test table 2, the test probe 301 on the first moving table 302 contacts the test points on the top surface of the PCB board, the interface of the PCB board is arranged on the side, the second moving table 402 is located on the base 1 on the side of the PCB board with the interface, the second moving table 402 is driven by the second driver 403 to move close to the PCB board, and the connecting head 401 on the second moving table 402 is inserted into the interface of the PCB board for testing.
[0034] As shown in Figure 2 some embodiments, if the two sides of the PCB board are provided with the interfaces, two second drivers 403 can be arranged on the base 1, each second driver 403 is provided with the second moving table 402, and the two second drivers 403 are located on the side of the PCB board with the interface and can drive the second moving table 402 to make the connecting head 401 butt joint with the interface.
[0035] As shown in Figure 3 some embodiments, the base 1 is provided with two test tables 2, and the base 1 is provided with two first moving tables 302, two first drivers 303, two second moving tables 402 and two second drivers 403, one first moving table 302 and one first driver 303 are arranged above one test table 2, one second moving table 402 and one second driver 403 are arranged on the side, and one first moving table 302 and one first driver 303 are arranged above the other test table 2, one second moving table 402 and one second driver 403 are arranged on the side, so that two PCB boards can be tested by the same device at the same time, and more than three test tables 2 can be arranged on the base 1 in some cases, and the number of the test tables 2 is not limited in the utility model.
[0036] In some embodiments, the base 1 is provided with the spring seat 101, the spring seat 101 is provided with the spring 102, and the test table 2 is arranged on the spring 102.
[0037] In implementation, the spring seat 101 is arranged on the base 1, the spring 102 is arranged in the spring seat 101, the test table 2 is arranged on the spring 102, the test table 2 is supported by the spring 102, after the PCB board is placed on the test table 2, the first driver 303 drives the first moving table 302 to move close to the first test table 2, the test probe 301 on the first moving table 302 will be in contact with the test point on the PCB board, and the test probe 301 will also continuously push the PCB board after the first moving table 302 continuously moves, in the traditional test fixture, the test table 2 is fixed, if the first moving table 302 continuously presses down, the PCB board can be damaged, and in the application, the test table 2 is supported by the spring 102, when the test table 2 is pushed, the test table 2 will also move and compress the spring 102, if the test table 2 is stopped to be pushed, the spring 102 will make the test table 2 return to the original position, the test table 2 moves along with the first moving table 302, so that the PCB board is protected from being damaged.
[0038] In some embodiments, the first driver 303 comprises a first quick clamp, the first quick clamp is fixed on the base 1, and the first moving table 302 is connected to the output end of the first quick clamp.
[0039] In implementation, the first driver 303 selects the first quick clamp, the first quick clamp is fixed on the base 1, the first moving table 302 is arranged on the output end of the first quick clamp, and the first moving table 302 is driven by turning the handle of the first quick clamp.
[0040] In some cases, the first driver 303 can also be a cylinder, an electric push rod or the like driving device.
[0041] In some embodiments, the base 1 is provided with a support frame 103, the support frame 103 is provided with a mounting seat 104, and the first quick clamp is detachably fixed on the mounting seat 104.
[0042] In implementation, the support frame 103 is arranged on the base 1, the mounting seat 104 is arranged on the support frame 103, the first quick clamp is detachably arranged on the mounting seat 104, and the first quick clamp is detachably fixed on the mounting seat 104, so that the first quick clamp is convenient to replace.
[0043] Further, the first moving table 302 is supported by the support frame 103 and located on the test table 2.
[0044] In some embodiments, the mounting seat 104 is provided with a long hole, the first quick clamp is provided with a through hole, and the first quick clamp is fixed on the mounting seat 104 by means of bolts and nuts.
[0045] In implementation, the mounting seat 104 is provided with a long hole, the first quick clamp is provided with a through hole, and the bolt is once threaded through the through hole and the long hole. After being threaded through the long hole, the bolt is fixed with the nut. Since the long hole is used, the corresponding position of the through hole in the long hole can be changed, so that the fixing position of the first quick clamp is changed.
[0046] Further, the first quick clamp is fixed on one side of the mounting seat 104, the other side of the mounting seat 104 is provided with a fixing block (not shown in the figure), the fixing block is provided with a through hole, and the fixing block is used for assisting the fixing of the first quick clamp. The bolt is once threaded through the through hole on the first quick clamp, the long hole, and the through hole on the fixing block, and then the bolt is fixed by using the nut.
[0047] In some embodiments, the first mobile table 302 is provided with a top column 304, and the top column 304 is on the same side as the test probe 301.
[0048] In implementation, the top column 304 is arranged on the first mobile table 302, and the top column 304 is on the same side as the test probe 301. When the first mobile table 302 is driven by the first driver 303 to approach the PCB board on the test table 2, the top column 304 will abut against the PCB board. The top column 304 is used for stabilizing the PCB board. The first mobile table 302 drives the top column 304 to approach the PCB board and abut against the PCB board on the test table 2, so that the PCB board is kept stable.
[0049] In some embodiments, the second driver 403 includes a second quick clamp, the second quick clamp is fixed on the base 1, the second mobile table 402 is connected to the output end of the second quick clamp, the base 1 is provided with a guide rail, the guide rail is provided with a sliding block, and the second mobile table 402 is connected to the sliding block.
[0050] In implementation, the second quick clamp is fixed on the base 1, the second mobile table 402 is connected to the output end of the second quick clamp, the guide rail is arranged on the base 1, the sliding block is arranged on the guide rail, the second mobile table 402 is connected to the sliding block, the handle on the second quick clamp is pulled, the second mobile table 402 is driven to move on the guide rail, and the guide rail cooperates with the sliding block to guide the movement of the second mobile table 402.
[0051] In some embodiments, the second mobile table 402 is provided with a fixing groove 404, the connecting head 401 is arranged in the fixing groove 404, the fixing groove 404 is provided with a cover plate 405, and the cover plate 405 is detachably connected to the second mobile table 402.
[0052] In implementation, the connecting head 401 is arranged in the fixing groove 404, the cover plate 405 is arranged on the fixing groove 404, the connecting head 401 is fixed on the second moving table 402 through the fixing groove 404 and the cover plate 405, and the cover plate 405 is detachably connected with the second moving table 402. When it is needed to replace the connecting head 401 of different types, the cover plate 405 can be removed from the second moving table 402, then the original connecting head 401 is removed from the fixing groove 404, and then the new connecting head 401 is arranged in the fixing groove 404, and the cover plate 405 is fixed on the second moving table 402 again.
[0053] Further, the second moving table 402 is provided with a plurality of fixing grooves 404, and the cover plate 405 covers each fixing groove 404 when the cover plate 405 is fixed on the second moving table 402.
[0054] In some embodiments, the mounting groove 201 provided on the test table 2 is provided with a through hole.
[0055] In implementation, the mounting groove 201 is arranged on the test table 2, the mounting groove 201 is used for placing and limiting the PCB board, and the through hole in the mounting groove 201 is used for the test probe 301 to pass through.
[0056] In some embodiments, the test table 2 is provided with two mounting grooves 201, and the two mounting grooves 201 can be used for placing the PCB board. Correspondingly, the second moving table 402 is provided with a plurality of connecting heads 401, the number and positions of the connecting heads 401 correspond to the number and positions of the interfaces on the PCB board, the first moving table 302 is provided with the test probe 301 corresponding to the number and positions of the test points of the two PCB boards, and the two PCB boards can be simultaneously measured. In some cases, the test table 2 can also be provided with more than three mounting grooves 201, and the number of the mounting grooves 201 is not limited in the utility model.
[0057] In some embodiments, the base 1 is provided with a long slot, and the second quick clamp is provided with a through hole, and the second quick clamp is fixed on the base 1 through a bolt and a nut.
[0058] In implementation, the long slot is arranged on the base 1, the through hole is arranged on the second quick clamp, the bolt is sequentially arranged through the through hole on the second quick clamp and the long slot on the base 1, and then the nut is arranged for fixing.
[0059] The above is a specific description of the preferred embodiment of the present application, but the present application is not limited to the described embodiment, and those skilled in the art can make various equivalent modifications or replacements without departing from the spirit of the present application, and these equivalent modifications or replacements are all included in the scope defined by the claims of the present application.
Claims
1. A PCB board testing fixture, characterized in that, The utility model relates to a PCB testing device, which comprises: a base provided with a testing table for placing a PCB; a conduction testing assembly installed on the base, comprising a testing probe, a first moving table and a first driver, the testing probe being fixed on the first moving table and / or the base, the testing probe being used for contacting a testing point on the PCB, and the first driver being in transmission connection with the first moving table; an interface testing assembly installed on the base, comprising a connecting head, a second moving table and a second driver, the connecting head being installed on the second moving table, the second driver being in transmission connection with the second moving table, and the connecting head being used for connecting with an interface on the PCB.
2. The PCB board testing fixture of claim 1, wherein, The base is provided with a spring seat, the spring seat is provided with a spring, and the testing table is installed on the spring.
3. The PCB board testing fixture of claim 1, wherein, The first driver comprises a first quick clamp, the first quick clamp is detachably fixed on the base, and the first moving table is connected to an output end of the first quick clamp.
4. The PCB board testing fixture of claim 3, wherein, The base is provided with a support frame, the support frame is provided with a mounting seat, and the first quick clamp is detachably fixed on the mounting seat.
5. The PCB board testing fixture of claim 4, wherein, The mounting seat is provided with a long hole, the first quick clamp is provided with a through hole, and the first quick clamp is fixed on the mounting seat through bolts and nuts.
6. The PCB board testing fixture of claim 1, wherein, The first moving table is provided with a jacking column, and the jacking column is on the same side as the testing probe.
7. The PCB board testing fixture of claim 1, wherein, The second driver comprises a second quick clamp, the second quick clamp is fixed on the base, the second moving table is connected to an output end of the second quick clamp, the base is provided with a guide rail, the guide rail is provided with a sliding block, and the second moving table is connected to the sliding block.
8. The PCB board testing fixture of claim 7, wherein, The base is provided with a long hole, the second quick clamp is provided with a through hole, and the second quick clamp is fixed on the base through bolts and nuts.
9. The PCB board testing fixture of claim 1, wherein, The second moving table is provided with a fixing groove, the connecting head is arranged in the fixing groove, the fixing groove is provided with a cover plate, and the cover plate is detachably connected to the second moving table.
10. The PCB board testing fixture of claim 1, wherein, The testing table is provided with a mounting groove, and the mounting groove is provided with a through hole.