Circuit board testing fixture

Abstract

The utility model provides a kind of circuit board test fixture, it is related to the technical field of circuit board, including guide piece and clamping module.Guide piece forms adjustment path;Clamping module includes two clamping components, two clamping components are spaced apart in guide piece, and at least one of two clamping components is movably positioned along adjustment path setting, clamping component is equipped with the clamping part of electrically energizable setting.In the utility model, the clamping part of two clamping components is respectively used to clamp the two contacts of circuit board, and clamping part is electrically energizable setting, to realize the fixation of circuit board and power-on test.Further, at least one of two clamping components is movably positioned along guide piece, i.

Description

Technical Field

[0001] This utility model relates to the technical field of circuit boards, and in particular to a circuit board testing fixture. Background Technology

[0002] In circuit board production, it is necessary to test the circuit boards, such as fixing them in a high temperature and high humidity environment and powering them on, to simulate the various complex situations that the product will face in actual use.

[0003] However, during testing, the fixtures used to fix the circuit boards generally only support specific contact spacing, which is not very versatile. When dealing with circuit boards with different contact spacing, different fixtures need to be configured, resulting in high testing costs and the inability to switch quickly, leading to low testing efficiency. Utility Model Content

[0004] The purpose of this invention is to provide a circuit board testing fixture to alleviate the aforementioned technical problems in the prior art.

[0005] To achieve the above objectives, the embodiments of this utility model adopt the following technical solutions:

[0006] An embodiment of this utility model provides a circuit board testing fixture, including a guide and a clamping module. The guide forms an adjustment path; the clamping module includes two clamping components, which are spaced apart from each other on the guide, and at least one of the two clamping components is movably positioned along the adjustment path. Each clamping component has an electrically energized clamping part.

[0007] In some optional embodiments of this example, the clamping assembly includes an adjusting member, a clamping member, and a lead wire. The adjusting member is movably positioned on the guide member and has a cable tray; the clamping member is disposed on the adjusting member and has a clamping portion; the lead wire is at least partially housed in the cable tray and electrically connected to the clamping portion.

[0008] In some optional embodiments of this example, the adjusting member includes a main body, a first branch, and a second branch. The main body is connected to the clamping member; the first branch is disposed on the main body and communicates with the interior of the main body to form a cable tray; the second branch is disposed on the main body and is spaced apart from the first branch to form a limiting groove, the limiting groove being movably engaged with the guide member.

[0009] In some optional embodiments of this example, the adjusting member further includes a fastener, which is disposed on the second branch and can be positioned against the guide member.

[0010] In some optional embodiments of this example, the second branch is provided with a magnet, the guide is made of magnetic material, and the magnet and the magnetic material are magnetically attracted and positioned.

[0011] In some optional embodiments of this example, the limiting groove and the guide are interference-fitted and frictionally positioned.

[0012] In some optional embodiments of this example, the clamping member includes a connecting part, which is connected to the adjusting member, electrically connected to the lead wire, and electrically connected to the clamping part.

[0013] In some optional embodiments of this example, the clamping part is provided with electrodes, and the electrodes are electrically connected to the clamping part.

[0014] In some optional embodiments of this example, the circuit board test fixture further includes a bracket, a ribbon cable, and terminals. The bracket is provided with multiple guide members, and each guide member is provided with multiple clamping modules; the ribbon cable is electrically connected to the clamping part of each clamping module; the terminals are electrically connected to the ribbon cable.

[0015] In some optional embodiments of this example, the bracket includes a first frame, a second frame, and a support member. The first frame is provided with multiple guide members; the second frame is spaced apart from the first frame, and the cabling is at least partially housed between the first frame and the second frame; the support member is supported between the first frame and the second frame.

[0016] This embodiment can achieve at least the following beneficial effects:

[0017] In this embodiment, the clamping portions of the two clamping components are respectively used to clamp two contacts of the circuit board. The clamping portions are energized, thereby achieving the fixation of the circuit board and power-on testing. Furthermore, at least one of the two clamping components is movably positioned along the guide member, which allows the spacing between the two clamping components to be adjustable, thus matching circuit boards with different contact spacings. This provides strong versatility, enables rapid switching between different circuit boards, results in high testing efficiency, eliminates the need to develop multiple fixtures, and reduces testing costs. Attached Figure Description

[0018] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0019] Figure 1 This is a schematic diagram of the overall structure of the circuit board testing fixture provided in an embodiment of the present utility model;

[0020] Figure 2 A partial structural schematic diagram of the circuit board testing fixture provided in an embodiment of this utility model;

[0021] Figure 3A partial side view of the circuit board testing fixture provided in an embodiment of this utility model;

[0022] Figure 4 for Figure 3 A magnified view of a portion of point A in the middle.

[0023] Icons: 10-Guide; 20-Clamping module; 210-Clamping assembly; 211-Adjusting component; 2111-Main body; 2112-First branch; 2113-Second branch; 2114-Cable groove; 2115-Limiting groove; 2116-Fastener; 212-Clamping component; 2121-Clamping part; 2122-Connecting part; 2123-Pressing part; 2124-Insulating sleeve; 2125-Electrode; 213-Lead wire; 30-Bracket; 301-First frame; 302-Second frame; 303-Support component; 40-Cable; 50-Terminal; 60-Circuit board; 601-Contact; X-First direction; Y-Second direction; Z-Third direction. Detailed Implementation

[0024] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0025] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0026] It should be noted that similar labels and letters in the accompanying drawings indicate similar items. Therefore, once an item is defined in one accompanying drawing, it does not need to be further defined and explained in subsequent accompanying drawings.

[0027] In the description of this utility model, it should be noted that the terms "first direction," "second direction," "third direction," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the utility model product is in use. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first," "second," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0028] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," and "connect" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0029] The following detailed description, in conjunction with the accompanying drawings, outlines some embodiments of the present invention. Unless otherwise specified, the following embodiments and features can be combined with each other.

[0030] Reference Figure 2 This embodiment provides a circuit board testing fixture, including a guide 10 and a clamping module 20. The guide 10 forms an adjustment path; the clamping module 20 includes two clamping components 210, which are spaced apart from each other on the guide 10, and at least one of the two clamping components 210 is movably positioned along the adjustment path. The clamping component 210 is provided with an electrically energized clamping part 2121.

[0031] In this embodiment, the clamping portions 2121 of the two clamping components 210 are respectively used to clamp the two contacts 601 of the circuit board 60. The clamping portions 2121 are energized to fix the circuit board 60 and perform power-on testing. Furthermore, at least one of the two clamping components 210 is movably positioned along the guide member 10, which allows the spacing between the two clamping components 210 to be adjustable. This enables the circuit boards 60 with different contact point 601 spacings to be matched, resulting in strong versatility, rapid switching between different circuit boards 60, high testing efficiency, no need to develop multiple fixtures, and low testing cost.

[0032] Specifically, a spatial rectangular coordinate system is established with the first perpendicular direction X, the second perpendicular direction Y, and the third perpendicular direction Z as coordinate axes; in some optional embodiments of this embodiment, the adjustment path of the guide 10 is distributed along the first direction X, that is, the two clamping components 210 of the clamping module 20 are spaced apart along the first direction X.

[0033] In addition, only one of the two clamping components 210 of the clamping module 20 can be movable and adjustable along the adjustment path, while the other is fixed to the guide member 10; or both clamping components 210 can be movable along the adjustment path. Both of these are preferred implementation methods.

[0034] The aforementioned "movable positioning setting" refers to the fact that the clamping component 210 can move relative to the guide 10 and can be positioned at any point during the movement process, that is, the positioning position can be infinitely adjusted, thereby making it more adaptable to circuit boards 60 with different contact point 601 spacings.

[0035] In some optional implementations of this embodiment, refer to Figure 2 and Figure 3 The clamping assembly 210 includes an adjusting member 211, a clamping member 212, and a lead wire 213. The adjusting member 211 is movably positioned on the guide member 10 and has a cable tray 2114; the clamping member 212 is disposed on the adjusting member 211 and has a clamping portion 2121; the lead wire 213 is at least partially housed in the cable tray 2114 and is electrically connected to the clamping portion 2121.

[0036] In this optional embodiment, the clamping assembly 210 includes an adjusting member 211, a clamping member 212, and a lead wire 213. The adjusting member 211 is movably engaged with the guide member 10. The clamping member 212 is used to clamp the circuit board 60. The lead wire 213 is electrically connected to the clamping part 2121 of the clamping member 212 and is housed in the cable tray 2114 of the adjusting member 211. The design is reasonable, the assembly is convenient, and the space occupied is small.

[0037] In some optional implementations of this embodiment, refer to Figure 3 The adjusting member 211 includes a main body 2111, a first branch 2112, and a second branch 2113. The main body 2111 is connected to the clamping member 212; the first branch 2112 is disposed on the main body 2111 and communicates with the interior of the main body 2111 to form a cable tray 2114; the second branch 2113 is disposed on the main body 2111 and is spaced apart from the first branch 2112 to form a limiting groove 2115, and the limiting groove 2115 is movably engaged with the guide member 10.

[0038] Specifically, the guide member 10 is a guide rail distributed along the first direction X. The first branch 2112 and the second branch 2113 are spaced apart along the second direction Y to form a limiting groove 2115, and are limited and connected to both sides of the guide member 10, so that the adjusting member 211 can only move along the first direction X, and the moving adjustment process is stable and reliable.

[0039] In addition, the first branch 2112 is internally connected to the main body 2111 and forms a cable tray 2114, which facilitates the lead wire 213 to pass through the cable tray 2114 and connect to the clamp 212. The cable tray 2114 stores and protects the lead wire 213.

[0040] In some optional implementations of this embodiment, refer to Figure 2 and Figure 3 The adjusting member 211 also includes a fastener 2116, which is located on the second branch 2113 and can be positioned against the guide member 10.

[0041] This optional embodiment proposes a first method for positioning the adjusting member 211 and the guide member 10. The second branch 2113 is provided with a fastener 2116 that abuts against the guide member 10 for positioning, thereby achieving positioning at any point in the adjustment process, i.e., stepless adjustment positioning.

[0042] Understandably, in some alternative embodiments not shown in the figures, it is also desirable to provide a fastener 2116 to the first branch 2112 and to position it against the guide 10; in particular, when the fastener 2116 is provided on the first branch 2112, care should be taken to avoid the fastener 2116 from the lead wire 213 in the cable tray 2114.

[0043] In some embodiments not shown in the figures, the second branch 2113 is provided with a magnet, the guide 10 is made of magnetic material, and the magnet and the magnetic material are magnetically attracted and positioned.

[0044] This optional embodiment proposes a second method for positioning the adjusting member 211 and the guide member 10. The second branch 2113 is magnetically positioned with the guide member 10, thereby achieving positioning at any point in the adjustment process, i.e., stepless adjustment positioning.

[0045] Understandably, the magnetic positioning of the first branch 2112 and the guide 10 is also a desirable implementation method.

[0046] In some embodiments not shown in the figures, the limiting groove 2115 is interference-fitted with the guide 10 and frictionally positioned.

[0047] This optional embodiment proposes a third way of positioning the adjusting member 211 and the guide member 10. The limiting groove 2115 and the guide member 10 are interference fit and frictionally positioned, thereby achieving positioning at any point in the adjustment process, that is, stepless adjustment positioning.

[0048] In some optional implementations of this embodiment, refer to Figure 3 The clamping member 212 includes a connecting part 2122, which is connected to the adjusting member 211, electrically connected to the lead wire 213, and electrically connected to the clamping part 2121.

[0049] In this optional embodiment, the clamping member 212 can be a conductor, such as a metal alligator clip. One end of the clamping member 212 is a clamping part 2121, and the other end is provided with a connecting part 2122 and a pressing part 2123. The connecting part 2122 is detachably connected to the adjusting member 211 by means of bolts or other components, and is electrically connected to the lead wire 213. Applying force to the pressing part 2123 can drive the clamping member 212 to open. The pressing part 2123 can be provided with an insulating sleeve 2124 to protect the operator.

[0050] In some optional implementations of this embodiment, refer to Figure 4 The clamping part 2121 is provided with an electrode 2125, which is electrically connected to the clamping part 2121.

[0051] Optionally, the electrode 2125 is a gold-plated copper needle, and the clamp 212 is a brass alligator clip, which can perform high current testing. The electrode 2125 can be welded to the clamp 2121.

[0052] In some optional implementations of this embodiment, refer to Figure 1 The circuit board testing fixture also includes a bracket 30, a ribbon cable 40, and a terminal block 50. The bracket 30 is provided with multiple guide members 10, and each guide member 10 is provided with multiple clamping modules 20; the ribbon cable 40 is electrically connected to the clamping part 2121 of each clamping module 20; the terminal block 50 is electrically connected to the ribbon cable 40.

[0053] In this optional embodiment, the bracket 30 may be provided with a plurality of guide members 10, which are spaced apart along the second direction Y; each guide member 10 is provided with a plurality of clamping modules 20 spaced apart along the first direction X, and each clamping module 20 clamps a circuit board 60 respectively; that is, the circuit board testing fixture proposed in this embodiment can test multiple circuit boards 60 at the same time, and can also meet the requirement of testing circuit boards 60 with different contact point 601 spacings at the same time, thereby forming different test combinations, with high testing efficiency and better experimental verification.

[0054] In addition, the ribbon cable 40 can be a high-temperature resistant ribbon cable 40, which has multiple ribbon cables and is electrically connected to the lead wires 213 in each clamping component 210. The terminal block 50 can be, but is not limited to, a push-button structure to facilitate quick wiring operations.

[0055] In some optional implementations of this embodiment, refer to Figure 1 The bracket 30 includes a first frame 301, a second frame 302, and a support member 303. The first frame 301 is provided with a plurality of guide members 10; the second frame 302 is spaced apart from the first frame 301, and the ribbon cable 40 is at least partially housed between the first frame 301 and the second frame 302; the support member 303 is supported between the first frame 301 and the second frame 302.

[0056] In this optional embodiment, the clamping module 20 is distributed along the third direction Z. Specifically, one end of the clamping module 20 along the third direction Z uses the clamping member 212 to clamp the circuit board 60, and the other end of the clamping module 20 along the third direction Z is set on the first frame 301 using the adjusting member 211 and the guide member 10. The support member 303 is supported between the first frame 301 and the second frame 302. The ribbon cable 40 enters through the gap between the first frame 301 and the second frame 302 and is electrically connected to the lead wire 213 on the clamping module 20. The arrangement is reasonable, avoids mutual interference between components, facilitates clamping multiple circuit boards 60, and has a high space utilization rate.

[0057] In some optional embodiments of this example, it is also preferable to integrate the lead wire 213 with the ribbon cable 40.

[0058] Optionally, the circuit board 60 in this application may be an FPC, i.e., a flexible circuit board, and the contact 601 on the circuit board 60 in this application may be a PIN.

[0059] It should be noted that the circuit board test fixture may also include other components, such as power supply equipment, which will not be described in detail here.

[0060] Finally, it should be noted that the various embodiments in this specification are described in a progressive manner, with each embodiment focusing on the differences from other embodiments. Similar or identical parts between embodiments can be referred to mutually. The above embodiments in this specification are only used to illustrate the technical solutions of this utility model, and not to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features. These modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the various embodiments of this utility model.

Claims

1. A circuit board testing fixture, characterized in that, include: Guide components form an adjustment path; The clamping module includes two clamping components, which are spaced apart from the guide member, and at least one of the two clamping components is movable and positioned along the adjustment path. Each clamping component is provided with a clamping part that can be powered.

2. The circuit board testing fixture according to claim 1, characterized in that, The clamping assembly includes: An adjusting member is movably positioned on the guide member and is provided with a cable tray; A clamping member is provided on the adjusting member and has the clamping portion; The lead wire is at least partially housed in the cable tray and electrically connected to the clamping part.

3. The circuit board testing fixture according to claim 2, characterized in that, The adjusting element includes: The main body is connected to the clamping member; The first branch is located in the main body and communicates with the interior of the main body to form a cable tray; The second branch is located on the main body and is spaced apart from the first branch to form a limiting groove, which is movably engaged with the guide member.

4. The circuit board testing fixture according to claim 3, characterized in that, The adjusting component also includes a fastener, which is located on the second branch and can be positioned against the guide component.

5. The circuit board testing fixture according to claim 3, characterized in that, The second branch is provided with a magnet, and the guide is made of magnetic material. The magnet and the magnetic material are magnetically attracted and positioned.

6. The circuit board testing fixture according to claim 3, characterized in that, The limiting groove is interference-fitted with the guide member and is frictionally positioned.

7. The circuit board testing fixture according to claim 2, characterized in that, The clamping member includes a connecting portion, which is connected to the adjusting member, electrically connected to the lead wire, and electrically connected to the clamping member.

8. The circuit board testing fixture according to claim 2, characterized in that, The clamping part is provided with an electrode, and the electrode is electrically connected to the clamping part.

9. The circuit board testing fixture according to any one of claims 1 to 8, characterized in that, The circuit board test fixture also includes: The bracket is provided with multiple guide members, and each guide member is provided with multiple clamping modules; The ribbon cable is electrically connected to the clamping part of each of the clamping modules; The terminal block is electrically connected to the ribbon cable.

10. The circuit board testing fixture according to claim 9, characterized in that, The support includes: The first frame is provided with multiple guide members; The second frame is spaced apart from the first frame, and the ribbon cable is at least partially housed between the first frame and the second frame; A support member is provided between the first frame and the second frame.

Images