Double-connector liquid crystal display module FPC open and short circuit testing device

Abstract

The utility model discloses a double-connector liquid crystal display module FPC open and short circuit testing device which comprises a base, a first crimping assembly and a second crimping assembly, a first testing area and a second testing area are arranged on the base, when a liquid crystal display module is placed on the base, a first connector on an FPC is located on the first testing area, and a second connector on the FPC is located on the second testing area. A second connector on the FPC is located on the second test area; the first crimping assembly is located on the first test area, the first crimping assembly comprises a support, a first crimping driving piece and a first crimping plate, the support is arranged on the base, the first crimping driving piece is connected with the first crimping plate, and the first crimping driving piece is used for driving the first crimping plate to move in the direction close to the first connector on the first test area; the first crimping plate is pressed against a first connector on the FPC; in this way, the two connectors on the liquid crystal display module FPC can be tested at the same time.

Description

Technical Field

[0001] The utility model relates to the technical field of liquid crystal display module production and manufacturing, in particular to a double-connector liquid crystal display module FPC open and short circuit testing device. Background Art

[0002] Liquid crystal display module is a display device widely used in various electronic devices, among which FPC is an important component of liquid crystal display module. Usually, there is only one FPC connector on the traditional liquid crystal display module, so the corresponding test device only needs to test one connector, but as the number of integrated components of the liquid crystal display module increases, the current liquid crystal display module needs to have two FPC connectors, one integrated display control circuit, and the other integrated speaker, USB and other auxiliary circuit control. When it is necessary to test the continuity of the FPC circuit and connector welding between the two connectors, the existing test device that can only test one connector is not applicable.

[0003] In view of the above, a dual-connector liquid crystal display module FPC open-short circuit test device is proposed to meet the requirements of simultaneously testing two connectors on the liquid crystal display module FPC. Utility Model Content

[0004] The utility model aims to overcome the deficiencies in the prior art and provide a dual-connector liquid crystal display module FPC open-short circuit testing device.

[0005] The purpose of this utility model is achieved through the following technical solutions:

[0006] A dual-connector liquid crystal display module FPC open-short circuit test device, comprising: a base, a first crimping assembly and a second crimping assembly, wherein a first test area and a second test area are arranged on the base, and when the liquid crystal display module is placed on the base, the first connector on the FPC is located on the first test area, and the second connector on the FPC is located on the second test area; the first crimping assembly is located on the first test area, and the first crimping assembly comprises a bracket, a first crimping driving member and a first crimping plate, the bracket is arranged on the base, the first crimping driving member is connected to the first crimping plate, and the first crimping driving member is used to drive the first crimping plate to move toward the direction of the first connector on the first test area so that the first crimping plate and the first connector on the FPC are abutted against each other; the second crimping assembly is located on the second test area, and the second crimping assembly is used to press the second connector on the FPC.

[0007] In one of the embodiments, a first positioning block is provided on the first test area, a first test connection end is provided on the first positioning block, a first connector on the FPC is connected to the first test connection end, and the first positioning block is used to limit the first connector on the FPC.

[0008] In one embodiment, a first slot is formed on the first positioning block, and the first test connection end is located in the first slot.

[0009] In one of the embodiments, a second positioning block is provided on the second test area, a second test connection end is provided on the second positioning block, a second connector on the FPC is connected to the second test connection end, and the second positioning block is used to limit the second connector on the FPC.

[0010] In one embodiment, a second slot is formed on the second positioning block, and the second test connection end is located in the second slot.

[0011] In one embodiment, the first crimping drive member includes a first hinged plate, a first connecting block, a first pressing rod and a first pressing handle, the first hinged plate is arranged on the bracket, the first pressing handle is hinged to the first hinged plate, one end of the first connecting block is hinged to the first pressing handle, and the other end of the first connecting block is hinged to one end of the first pressing rod, and the other end of the first pressing rod is connected to the first crimping plate.

[0012] In one embodiment, a hinge portion and a guide portion are respectively provided on the first hinge plate, the first pressing handle is hinged to the hinge portion, and the first pressing rod is passed through the guide portion.

[0013] In one embodiment, the first crimping drive member further includes a first guide rod and a first guide sleeve, the first guide sleeve is inserted into the first crimping plate, the first guide rod is inserted into the first guide sleeve, and one end of the first guide rod is disposed on the base.

[0014] In one embodiment, a strip-shaped adjustment hole is further provided on the bracket, and a mounting hole is provided on the first hinge plate, and the mounting hole is aligned with the strip-shaped adjustment hole.

[0015] In one of the embodiments, a display is also provided on the base.

[0016] Compared with the prior art, the utility model has at least the following advantages:

[0017] The dual-connector liquid crystal display module FPC open-short circuit test device of the utility model is provided with a base, a first crimping assembly and a second crimping assembly, and respectively provides a first test area and a second test area on the base, and at the same time, the first crimping assembly and the second crimping assembly are used to respectively press the first connector and the second connector to achieve the test conduction of the first connector and the second connector. In this way, the two connectors on the liquid crystal display module FPC can be tested simultaneously. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for use in the embodiments are briefly introduced below.

[0019] Figure 1 It is a structural schematic diagram of a dual-connector liquid crystal display module FPC open-short circuit test device in one embodiment of the utility model;

[0020] Figure 2 for Figure 1 A schematic diagram of the structure of the dual-connector LCD module FPC open-short circuit test device removing the second crimping component and the LCD module;

[0021] Figure 3 for Figure 1 A structural schematic diagram of the dual-connector LCD module FPC open and short circuit test device from another perspective. DETAILED DESCRIPTION

[0022] In order to facilitate the understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings.

[0023] Please combine Figure 1 , Figure 2 and Figure 3As shown, a dual-connector liquid crystal display module FPC open-short circuit test device 10 includes: a base 100, a first crimping assembly 200 and a second crimping assembly 300, the base 100 is provided with a first test area 110 and a second test area 120, when the liquid crystal display module 20 is placed on the base 100, the first connector on the FPC is located on the first test area 110, and the second connector on the FPC is located on the second test area 120; the first crimping assembly 200 is located on the first test area 110, and the first crimping assembly 200 includes The bracket 210, the first crimping drive member 220 and the first crimping plate 230, the bracket 210 is arranged on the base 100, the first crimping drive member 220 is connected to the first crimping plate 230, the first crimping drive member 220 is used to drive the first crimping plate 220 to move toward the direction of the first connector on the first test area 110, so that the first crimping plate 220 and the first connector on the FPC are abutted; the second crimping assembly 300 is located on the second test area 120, and the second crimping assembly 300 is used to crimp the second connector on the FPC.

[0024] It should be noted that when performing the test operation, the liquid crystal display module is first placed on the base 100, and the first connector on the FPC is located on the first test area 110, and the second connector on the FPC is located on the second test area, and the first crimping assembly 200 is used to press the first connector so that the first connector can be tested and connected. Specifically, the first crimping drive 220 drives the first crimping plate 230 to move in the direction close to the first connector so that the first crimping plate 230 is pressed against the first connector, and the first crimping plate 230 continues to apply downward pressure to the first connector, thereby achieving the test connection of the first connector; similarly, the second crimping assembly 300 is pressed against the second connector, and the second crimping assembly 300 is pressed downward so that the second connector can be tested and connected. In this way, the two connectors on the FPC can be tested at the same time, and the welding continuity between the FPC circuit between the two connectors and the two connectors can be tested, that is, the open and short circuit test of the FPC can be achieved.

[0025] In one embodiment, a first positioning block 111 is provided on the first test area 110, a first test connection terminal 111a is provided on the first positioning block 111, a first connector on the FPC is connected to the first test connection terminal 111a, and the first positioning block 111 is used to limit the first connector on the FPC. The first test connection terminal 111a is connected to the short circuit test mainboard, and the first connector on the FPC is limited by the first positioning block 111 to avoid position displacement of the FPC and affect the test effect; then the first connector can be pressed down by the first crimping assembly 200, so that the first connector is connected and conducted with the first test connection terminal 111a. In this embodiment, a first card slot is provided on the first positioning block 111, and the first test connection terminal 111a is located in the first card slot, and the first connector is positioned by the first card slot.

[0026] In one embodiment, a second positioning block 121 is provided on the second test area 120, a second test connection end is provided on the second positioning block 121, a second connector on the FPC is connected to the second test connection end, and the second positioning block 121 is used to limit the second connector on the FPC. Similarly, the second test connection end is connected to the open-short circuit test mainboard, and when the test operation is performed, the second connector and the second test connection end form a test conduction; at the same time, the second connector is limited by the second positioning block 121 to avoid the second connector from being offset and affecting the test efficiency. After the second connector on the FPC is placed on the second test connection end, the second connector can be pressed down by the second crimping assembly 300 so that the second connector and the second test connection end form a test conduction. In this embodiment, a second card slot 121a is provided on the second positioning block 121, and the second test connection end is located in the second card slot 121a, and the second connector is positioned by the second card slot 121a.

[0027] In one embodiment, the first crimping drive member 220 includes a first hinged plate 221, a first connecting block 222, a first pressing rod 223 and a first pressing handle 224. The first hinged plate 221 is arranged on the bracket 210, and the first pressing handle is hinged to the first hinged plate 221. One end of the first connecting block 222 is hinged to the first pressing handle 224, and the other end of the first connecting block 222 is hinged to one end of the first pressing rod 223. The other end of the first pressing rod 223 is connected to the first crimping plate 230.

[0028] It should be noted that when the first pressing handle 224 is rotated, the first pressing handle 224 flips relative to the first hinge plate 221, and drives the first connection block 222 to rotate, and then drives the first pressing rod 223 to press down through the first connection block 222. In this way, the first pressing rod 223 drives the first crimping plate 230 to move toward the first connector, so that the first connector and the first test connection end 111a form a test connection. In this embodiment, two first connection blocks 222 are provided.

[0029] Furthermore, the first hinge plate 221 is provided with a hinge portion 221a and a guide portion 221b, the first pressing handle 224 is hinged to the hinge portion 221a, and the first pressing rod 223 is passed through the guide portion 221b. The guide portion 221b is a cylindrical structure, and the guide portion 221b is connected with the first pressing rod 223 so that the first pressing rod 223 can realize a linear lifting motion.

[0030] Furthermore, the first crimping drive member 220 also includes a first guide rod 225 and a first guide sleeve 226 , the first guide sleeve 226 is passed through the first crimping plate 230 , the first guide rod 225 is passed through the first guide sleeve 226 , and one end of the first guide rod 225 is disposed on the base 100 .

[0031] It should be noted that, through the first guide rod 225, the first crimping plate 230 can be lifted and lowered along the first guide rod 225, thereby ensuring the movement stability of the first crimping plate 230. At the same time, by setting the first guide sleeve 226 on the first crimping plate 230, the friction between the first crimping plate 230 and the first guide plate 225 can be reduced, thereby improving the service life of the first crimping plate 230.

[0032] Furthermore, a strip-shaped adjustment hole 211 is provided on the bracket 210, and a mounting hole 221c is provided on the first hinge plate 221, and the mounting hole 221c is aligned with the strip-shaped adjustment hole 211. By providing the strip-shaped adjustment hole 211 on the bracket 210, the mounting position of the first hinge plate 221 can be adjusted, and then the pressing position of the first pressing plate 230 can be adjusted. For example, in this embodiment, a screw or bolt or other threaded connection member can be used to connect the mounting hole and the strip-shaped adjustment hole 211, so as to facilitate the disassembly and adjustment of the first hinge plate 221.

[0033] Further, in one embodiment, the structure of the second crimping assembly 300 is the same as that of the first crimping assembly 200. In another embodiment, the second crimping assembly 300 includes a second crimping driver and a second crimping block, the second crimping block is connected to the second crimping driver, and the second crimping driver is used to drive the second crimping block to move toward the second connector, so that the second crimping block presses down the second connector, thereby connecting the second connector to the second test connection end; for example, the second crimping driver can be a cylinder.

[0034] Furthermore, a display 130 is also provided on the base 100. By providing the display 130, the test data is displayed so that the operator can distinguish between the test OK products and the test NG products.

[0035] Furthermore, the first test connection terminal 111a and the second test connection terminal are connected to the same open-short circuit test mainboard through a signal adapter cable, and the display is connected to the open-short circuit test mainboard through a connecting line, thereby realizing the open-short circuit test operation of the FPC and the connectors at both ends.

[0036] The above-mentioned embodiments only express several implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A dual-connector liquid crystal display module FPC open and short circuit test device, characterized in that: include: A base, wherein a first test area and a second test area are provided on the base, and when the liquid crystal display module is placed on the base, the first connector on the FPC is located on the first test area, and the second connector on the FPC is located on the second test area; A first crimping assembly, the first crimping assembly is located on the first test area, the first crimping assembly includes a bracket, a first crimping driver and a first crimping plate, the bracket is arranged on the base, the first crimping driver is connected to the first crimping plate, and the first crimping driver is used to drive the first crimping plate to move toward the first connector on the first test area so that the first crimping plate abuts against the first connector on the FPC; and A second crimping assembly, wherein the second crimping assembly is located on the second test area and is used for crimping a second connector on the FPC.

2. The dual-connector liquid crystal display module FPC open-short circuit test device according to claim 1, characterized in that: A first positioning block is disposed on the first test area, a first test connection end is disposed on the first positioning block, a first connector on the FPC is connected to the first test connection end, and the first positioning block is used to limit the first connector on the FPC.

3. The dual-connector liquid crystal display module FPC open-short circuit test device according to claim 2, characterized in that: The first positioning block is provided with a first slot, and the first test connection end is located in the first slot.

4. The dual-connector liquid crystal display module FPC open-short circuit test device according to claim 1, characterized in that: A second positioning block is provided on the second test area, a second test connection end is provided on the second positioning block, a second connector on the FPC is connected to the second test connection end, and the second positioning block is used to limit the second connector on the FPC.

5. The dual-connector liquid crystal display module FPC open-short circuit test device according to claim 4, characterized in that: The second positioning block is provided with a second slot, and the second test connection end is located in the second slot.

6. The dual-connector liquid crystal display module FPC open-short circuit test device according to any one of claims 1 to 5, characterized in that: The first crimping drive member includes a first hinged plate, a first connecting block, a first pressing rod and a first pressing handle, the first hinged plate is arranged on the bracket, the first pressing handle is hinged to the first hinged plate, one end of the first connecting block is hinged to the first pressing handle, and the other end of the first connecting block is hinged to one end of the first pressing rod, and the other end of the first pressing rod is connected to the first crimping plate.

7. The dual-connector liquid crystal display module FPC open-short circuit test device according to claim 6, characterized in that: The first hinged plate is respectively provided with a hinged portion and a guide portion, the first pressing handle is hinged to the hinged portion, and the first pressing rod is passed through the guide portion.

8. The dual-connector liquid crystal display module FPC open-short circuit test device according to claim 6, characterized in that: The first crimping drive member also includes a first guide rod and a first guide sleeve, the first guide sleeve is inserted into the first crimping plate, the first guide rod is inserted into the first guide sleeve, and one end of the first guide rod is arranged on the base.

9. The dual-connector liquid crystal display module FPC open-short circuit test device according to claim 6, characterized in that: The bracket is also provided with a strip-shaped adjustment hole, and the first hinge plate is provided with a mounting hole, and the mounting hole is aligned with the strip-shaped adjustment hole.

10. The dual-connector liquid crystal display module FPC open-short circuit test device according to any one of claims 1 to 5, characterized in that: A display is also arranged on the base.

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