PCBA board switching test interface module

By using the two joints docking method in PCBA board testing, the test instability caused by poor contact of the adapter probe is solved, stable positioning and adaptation are achieved, testing efficiency is improved and error rate is reduced.

CN222671851UActive Publication Date: 2025-03-25TESTRON SUZHOU ELECTRONICS
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Patent Information

Application Number
CN202420968474.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-07
Publication Date
2025-03-25
Estimated Expiration
2034-05-07

AI Technical Summary

Technical Problem

In the prior art, the use of adapter probes for testing on PCBA boards is likely to cause poor contact of the probe and lead to unstable testing.

Method used

A PCBA board adaptation test interface module is provided, which realizes stable positioning and adaptation through the docking method of two joints. The first joint and the floating block are removable, and the second joint and the first joint are plugged into the joint and are connected by a lock.

Benefits of technology

It realizes stable positioning and adaptation, improves testing efficiency, and reduces the error rate of joint docking.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222671851U_ABST
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Abstract

The utility model relates to a PCBA board switching test interface module, comprising a fixing block used for fixing the interface module in a test environment; the floating block is arranged on the fixed block; a connector mounting groove is formed in the guide clamping block; the clamping block is locked with the guide clamping block through a fastener; the first joint is locked on the guide clamping block through a clamping block; the second connector is connected with the first connector in an inserted mode, and the first connector and the second connector are connected through a lock catch. According to the PCBA board switching test interface module, stable positioning and switching can be realized by adopting a joint butt joint mode, the first joint is connected with the floating block in a detachable connection mode, different test joints are convenient to replace, the first joint and the second joint are in pluggable connection, and the test can be conveniently carried out only by inserting the second joint. By means of the rapid butt joint device, the test efficiency is improved, and the error rate of joint butt joint is reduced.
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Description

Technical Field

[0001] The utility model relates to the technical field of PCBA testing, in particular to a PCBA board transfer test interface module. Background Art

[0002] PCBA is the abbreviation of Printed Circuit Board + Assembly, which is the whole process of PCB blank board through SMT mounting or DIP plug-in, referred to as PCBA. PCBA board needs to do various tests during the production process. During the test process, the PCB is tested by a dedicated test device. When testing the printed PCB, the PCB is usually fixed on a fixture, and then the fixed point on the PCB is detected with a probe. The other end of the probe is connected to a tester. The PCBA board and the tester are connected together through the test connector, and then the PCBA board is tested.

[0003] However, we used to use adapter probes for testing, but because the PIN shape did not meet the needle implantation standards, the tests were often unstable. Utility Model Content

[0004] Therefore, the technical problem to be solved by the utility model is to overcome the problem in the prior art of using a transfer probe to test a PCBA board, which easily causes poor probe contact and unstable testing.

[0005] In order to solve the above technical problems, the utility model provides a PCBA board transfer test interface module, including: a fixed block, which is used to fix the interface module in a test environment; a floating block, which is arranged on the fixed block; a guide clamping block, which is connected to the floating block, and a joint mounting groove is provided on the guide clamping block; a clamping block, which is locked with the guide clamping block by a fastener; a first joint, one end of which is arranged in the joint mounting groove, and the first joint is locked on the guide clamping block by the clamping block; a second joint, which is plugged into the first joint, and the first joint and the second joint are connected by a lock.

[0006] In one embodiment of the present invention, the fixing block is in a rectangular block shape, and a rectangular through hole 1 penetrating from top to bottom is provided on the fixing block.

[0007] In one embodiment of the utility model, the floating block is in a rectangular block shape, and a second rectangular through hole is provided on the floating block, which passes through the floating block from top to bottom. The second rectangular through hole is arranged opposite to the first rectangular through hole, and the second rectangular through hole is connected to the first rectangular through hole.

[0008] In one embodiment of the utility model, a rectangular groove 1 is provided on the side of the guide clamping block opposite to the clamping block, the rectangular groove 1 is connected to the joint mounting groove, and the rectangular through hole 2 and the rectangular through hole 1 are connected to the joint mounting groove through the rectangular groove 1.

[0009] In one embodiment of the utility model, a plurality of copper sheet inlay grooves are provided on the first joint, the plurality of copper sheet inlay grooves are arranged in a row, and copper sheets for transfer are inlaid in the copper sheet inlay grooves, and the plurality of copper sheet inlay grooves are arranged opposite to the cross section of the rectangular groove one.

[0010] In one embodiment of the utility model, an inserting groove is provided on the end face of the second joint opposite to the first joint, a rectangular protrusion is provided on the bottom face of the inserting groove, a plurality of first inserting protrusions are provided on one side face of the rectangular protrusion, a plurality of second inserting protrusions are provided on the end face of the rectangular protrusion opposite to the first inserting protrusion, the plurality of first inserting protrusions and the plurality of second inserting protrusions are arranged in one-to-one correspondence, and the first inserting protrusions and the second inserting protrusions are arranged opposite to each other in pairs.

[0011] In one embodiment of the utility model, a triangular protrusion one is provided on the first plug-in protrusion, and a triangular protrusion three is provided on the second plug-in protrusion. The triangular protrusion one and the triangular protrusion three are arranged opposite to each other, and the triangular protrusion one and the triangular protrusion three are located on both sides of the copper sheet, and the copper sheet is pressed tightly between the triangular protrusion one and the triangular protrusion three.

[0012] In one embodiment of the utility model, a plug-in guide groove is provided on the end face of the second joint opposite to the first joint, the connecting guide groove is connected to the plug-in groove, and a positioning guide buckle is provided on the first joint. When the first joint and the second joint are plugged in, the positioning guide buckle is placed in the plug-in guide groove.

[0013] In one embodiment of the present utility model, the positioning guide buckle is a rectangular protrusion arranged on the outer wall of the first joint, and the upper end of the positioning guide buckle is arranged to be rounded.

[0014] In one embodiment of the utility model, a first inclined surface is provided on the end surface of the first joint opposite to the clamping block, a wedge-shaped protrusion is provided on the end surface of the clamping block opposite to the first joint, and a second inclined surface is provided on the wedge-shaped protrusion. When the clamping block locks the first joint, the first inclined surface and the second inclined surface are in contact. A positioning column is provided on the clamping block, and a positioning hole is provided on the guide clamping block. The positioning column is inserted into the positioning hole to realize the positioning between the clamping block and the guide clamping block.

[0015] The above technical solution of the utility model has the following beneficial effects compared with the prior art:

[0016] The PCBA board transfer test interface module described in the utility model can achieve stable positioning and transfer by changing to a docking mode of two connectors. The first connector is connected to the floating block by a detachable connection mode, which is convenient for replacing different test connectors. The first connector and the second connector are pluggable. Only the second connector needs to be inserted to perform the test. Through this quick docking device, not only the test efficiency is improved, but also the error rate of connector docking is reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to make the content of the utility model easier to understand, the utility model is further described in detail according to the specific embodiments of the utility model in combination with the accompanying drawings, wherein

[0018] Figure 1 This is a schematic diagram of the overall structure of the PCBA board transfer test interface module in the preferred embodiment of the utility model;

[0019] Figure 2 This is a structural schematic diagram of a fixing block in a preferred embodiment of the utility model;

[0020] Figure 3 This is a structural schematic diagram of a floating block in a preferred embodiment of the utility model;

[0021] Figure 4 The structure of the guide clamping block and the clamping block in the preferred embodiment of the utility model is shown in FIG. Figure 1 ;

[0022] Figure 5 The structure of the guide clamping block and the clamping block in the preferred embodiment of the utility model is shown in FIG. Figure 2 ;

[0023] Figure 6 This is a structural schematic diagram of the guide clamping block in the preferred embodiment of the utility model;

[0024] Figure 7 This is a schematic diagram of the structure of the clamping block in the preferred embodiment of the utility model;

[0025] Figure 8 This is a schematic diagram of the structure of the first joint in the preferred embodiment of the utility model;

[0026] Fig. 9 It is a schematic structural diagram of the second joint in the preferred embodiment of the utility model.

[0027] Explanation of the reference numerals in the drawings in the specification: fixed block 1, rectangular through hole 11, floating block 2, rectangular through hole 21, guide clamping block 3, joint mounting groove 31, rectangular groove 1 32, positioning hole 33, clamping block 4, wedge-shaped protrusion 41, second inclined surface 42, positioning column 43, first joint 5, copper sheet inlay groove 51, positioning guide buckle 52, first inclined surface 53, second joint 6, plug-in groove 61, rectangular protrusion 62, first plug-in protrusion 63, triangular protrusion 1 631, second plug-in protrusion 64, triangular protrusion 3 641, plug-in guide groove 65. DETAILED DESCRIPTION

[0028] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and implement it, but the embodiments are not intended to limit the present invention.

[0029] Reference Figure 1 As shown, the PCBA board transfer test interface module of the utility model includes: a fixed block 1, a floating block 2, a guide clamping block 3, a clamping block 4, a first connector 5 and a second connector 6; the fixed block 1 is used to fix the interface module in a test environment; the floating block 2 is arranged on the fixed block 1; the guide clamping block 3 is connected to the floating block 2, and the guide clamping block 3 is provided with a connector mounting groove 31; the clamping block 4 is locked with the guide clamping block 3 by a fastener; the first connector 5, one end of which is arranged in the connector mounting groove 31, and the first connector 5 is locked on the guide clamping block 3 by the clamping block 4; the second connector 6 is plugged with the first connector 5, and the first connector 5 and the second connector 6 are connected by a lock. The fixed block 1 serves as the basic connecting fixture, and the floating block 2 realizes the floating correction docking between the fixed block 1 and the guide clamping block 3. After the first joint 5 is placed in the joint mounting groove 31, the clamping block 4 is locked to the guide clamping block 3 through the fastener. At this time, the guide clamping block 3 presses the first joint 5 on the guide clamping block 3, thereby realizing the fixation of the first joint 5. After the second joint 6 is docked with the first joint 5, it is used to realize detection.

[0030] Reference Figure 2 As shown, the fixing block 1 is in a rectangular block shape, and a rectangular through hole 11 is provided on the fixing block 1. The four corners of the fixing block 1 are all set to be rounded, which can prevent the right-angled tips from scratching people's hands.

[0031] Reference Figure 3 As shown, the floating block 2 is in a rectangular block shape, and a rectangular through hole 21 is provided on the floating block 2, which passes through the floating block 2 from top to bottom. The rectangular through hole 21 and the rectangular through hole 1 11 are arranged opposite to each other, and the rectangular through hole 21 and the rectangular through hole 1 11 are connected. The four corners of the floating block 2 are also rounded.

[0032] Reference Figure 4 , 5 As shown, a rectangular groove 1 32 is provided on the side of the guide clamping block 3 opposite to the clamping block 4, and the rectangular groove 1 32 is connected to the joint installation groove 31, and the rectangular through hole 21 and the rectangular through hole 11 are connected to the joint installation groove 31 through the rectangular groove 1 32. The wiring terminal can pass through the rectangular through hole 1 11, the rectangular through hole 21 and the rectangular groove 1 32 to connect with the first joint 5.

[0033] Reference Figure 8 As shown, the first joint 5 is provided with a plurality of copper sheet inlay grooves 51, which are arranged in a row, and copper sheets for transfer are inlaid in the copper sheet inlay grooves 51, and the plurality of copper sheet inlay grooves 51 are arranged opposite to the cross section where the rectangular groove 32 is located.

[0034] Reference Fig. 9 As shown, a plug-in groove 61 is provided on the end face of the second connector 6 opposite to the first connector 5, a rectangular protrusion 62 is provided on the bottom face of the plug-in groove 61, a plurality of first plug-in protrusions 63 are provided on one side face of the rectangular protrusion 62, a plurality of second plug-in protrusions 64 are provided on the end face of the rectangular protrusion 62 opposite to the first plug-in protrusion 63, the plurality of first plug-in protrusions 63 and the plurality of second plug-in protrusions 64 are arranged one by one, and the first plug-in protrusions 63 and the second plug-in protrusions 64 are arranged opposite to each other. A triangular protrusion 1 631 is provided on the first plug-in protrusion 63, a triangular protrusion 3 641 is provided on the second plug-in protrusion 64, the triangular protrusion 1 631 and the triangular protrusion 3 641 are arranged opposite to each other, and the triangular protrusion 1 631 and the triangular protrusion 3 641 are located on both sides of the copper sheet, and the copper sheet is pressed tightly between the triangular protrusion 1 631 and the triangular protrusion 3 641.

[0035] In the above structure, a plug-in guide groove 65 is provided on the end surface of the second joint 6 opposite to the first joint 5, and the plug-in guide groove 65 is communicated with the plug-in groove 61. A positioning guide buckle 52 is provided on the first joint 5. When the first joint 5 and the second joint 6 are plugged, the positioning guide buckle 52 is placed in the plug-in guide groove 65. The positioning guide buckle 52 is a rectangular protrusion provided on the outer wall of the first joint 5, and the upper end of the positioning guide buckle 52 is set to a rounded corner. During the docking process between the second joint 6 and the first joint 5, the positioning guide buckle 52 moves in the plug-in guide groove 65 until the second joint 6 and the first joint 5 are plugged into place.

[0036] Reference Figure 6 , 7As shown, a first inclined surface 53 is provided on the end surface of the first joint 5 opposite to the clamping block 4, a wedge-shaped protrusion 41 is provided on the end surface of the clamping block 4 opposite to the first joint 5, and a second inclined surface 42 is provided on the wedge-shaped protrusion 41. When the clamping block 4 locks the first joint 5, the first inclined surface 53 and the second inclined surface 42 are in contact. A positioning column 43 is provided on the clamping block 4, and a positioning hole 33 is provided on the guide clamping block 3. The positioning column 43 is inserted into the positioning hole 33 to realize the positioning between the clamping block 4 and the guide clamping block 3.

[0037] Obviously, the above embodiments are merely examples for the purpose of clear explanation and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived from these are still within the scope of protection of the invention of the utility model.

Claims

1. A PCBA board transfer test interface module, characterized in that: include, A fixing block, which is used to fix the interface module in the test environment; A floating block, which is arranged on the fixed block; A guide clamping block connected to the floating block, wherein a joint mounting groove is provided on the guide clamping block; A clamping block, which is locked with the guide clamping block by a fastener; A first joint, one end of which is arranged in the joint installation groove, and the first joint is locked on the guide clamping block through the clamping block; The second connector is plugged into the first connector, and the first connector and the second connector are connected via a lock.

2. The PCBA board transfer test interface module according to claim 1, characterized in that: The fixing block is in a rectangular block shape, and a rectangular through hole 1 penetrating from top to bottom is provided on the fixing block.

3. The PCBA board transfer test interface module according to claim 2, characterized in that: The floating block is in a rectangular block shape, and is provided with a second rectangular through hole which passes through the floating block from top to bottom. The second rectangular through hole and the first rectangular through hole are arranged opposite to each other, and the second rectangular through hole and the first rectangular through hole are connected.

4. The PCBA board transfer test interface module according to claim 3, characterized in that: A rectangular groove 1 is provided on a side of the guide clamping block opposite to the clamping block, the rectangular groove 1 is connected to the joint mounting groove, and the rectangular through hole 2 and the rectangular through hole 1 are connected to the joint mounting groove through the rectangular groove 1.

5. The PCBA board transfer test interface module according to claim 4, characterized in that: The first joint is provided with a plurality of copper sheet inlay grooves, which are arranged in a row, and copper sheets for transfer are inlaid in the copper sheet inlay grooves, and the plurality of copper sheet inlay grooves are arranged opposite to the rectangular groove 1 at a cross section.

6. The PCBA board transfer test interface module according to claim 5, characterized in that: An inserting groove is provided on the end face of the second joint opposite to the first joint, a rectangular protrusion is provided on the bottom face of the inserting groove, a plurality of first inserting protrusions are provided on one side face of the rectangular protrusion, a plurality of second inserting protrusions are provided on the end face of the rectangular protrusion opposite to the first inserting protrusion, the plurality of first inserting protrusions and the plurality of second inserting protrusions are arranged in one-to-one correspondence, and the first inserting protrusions and the second inserting protrusions are arranged opposite to each other in pairs.

7. The PCBA board transfer test interface module according to claim 6, characterized in that: The first plug-in protrusion is provided with a triangular protrusion one, and the second plug-in protrusion is provided with a triangular protrusion three. The triangular protrusion one and the triangular protrusion three are arranged opposite to each other, and the triangular protrusion one and the triangular protrusion three are located on both sides of the copper sheet, and the copper sheet is pressed tightly between the triangular protrusion one and the triangular protrusion three.

8. The PCBA board transfer test interface module according to claim 6, characterized in that: A plug-in guide groove is provided on the end face of the second joint opposite to the first joint, and the connecting guide groove is connected to the plug-in groove. A positioning guide buckle is provided on the first joint. When the first joint and the second joint are plugged in, the positioning guide buckle is placed in the plug-in guide groove.

9. The PCBA board transfer test interface module according to claim 8, characterized in that: The positioning guide buckle is a rectangular protrusion arranged on the outer wall of the first joint, and the upper end of the positioning guide buckle is arranged to be rounded.

10. The PCBA board transfer test interface module according to claim 1, characterized in that: A first inclined surface is provided on the end surface of the first joint opposite to the clamping block, a wedge-shaped protrusion is provided on the end surface of the clamping block opposite to the first joint, and the wedge-shaped protrusion is provided with a second inclined surface. When the clamping block locks the first joint, the first inclined surface and the second inclined surface are in contact.