CN216387157U

CN216387157U - Universal crimping jig and testing device

Info

Publication number: CN216387157U
Application number: CN202220371941.6U
Authority: CN
Inventors: 项芳; 严蕾; 秦金娥
Original assignee: Wuhan Jingce Electronic Group Co Ltd; Wuhan Jingyitong Electronic Technology Co Ltd
Current assignee: Wuhan Jingce Electronic Group Co Ltd; Wuhan Jingyitong Electronic Technology Co Ltd
Priority date: 2022-02-24
Filing date: 2022-02-24
Publication date: 2022-04-26
Anticipated expiration: 2032-02-24

Abstract

The utility model discloses a universal crimping jig and a testing device, and belongs to the field of display panel testing. The general crimping tool includes supporting component, PCB board subassembly and is used for the crimping to switch on display panel's crimping piece. The support assembly comprises a bottom plate and a carrier plate, and the carrier plate is positioned on the bottom plate. The PCB assembly comprises a first plate body, a second plate body, a plurality of wires, a first conduction part and a second conduction part, wherein the first plate body and the second plate body are both positioned on the bottom plate, a third conduction part and a fourth conduction part are arranged on the first plate body, a fifth conduction part and a sixth conduction part are arranged on the second plate body, and the first conduction part and the fourth conduction part, the second conduction part and the fifth conduction part are in plug-in fit. The crimping piece is located on the bottom plate and is electrically connected with the third conduction part. According to the universal crimping jig provided by the embodiment of the utility model, the whole crimping jig does not need to be redesigned, so that the design cost and the production cost of the test are greatly reduced.

Description

Universal crimping jig and testing device

Technical Field

The utility model belongs to the field of display panel testing, and particularly relates to a universal crimping jig and a testing device.

Background

In the production process of the display panel, a series of performance tests, such as a dot screen test, a Gamma Tuning test and the like, are performed on the display panel, and the tests all need to utilize a crimping jig to conduct a connector on the display panel, so that the display panel is conducted.

In the test of the display panel, the definition of the connector of different display panels is generally different (the Pad point signals are different), so when the press-bonding jig is press-bonded to the display panel, the press-bonding jig needs to be designed according to the definition of the connector of the display panel. Due to the fact that display panels such as mobile phones are fast to update, the display panels are multiple in variety, testing requirements are large, different display panels need to redesign the whole crimping jig, and design cost and production cost are increased.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects or the improvement requirements of the prior art, the utility model provides a universal crimping jig and a testing device, aiming at realizing the universality of the crimping jig without additionally redesigning the whole crimping jig, thereby greatly reducing the design cost and the production cost of the test.

In a first aspect, the utility model provides a universal crimping jig, which comprises a support assembly, a PCB board assembly and a crimping piece for crimping and conducting a display panel;

the support assembly comprises a bottom plate and a carrier plate for supporting the display panel, and the carrier plate is positioned on the bottom plate;

the PCB assembly comprises a first plate body, a second plate body, a plurality of wires, a first conduction part and a second conduction part, wherein the first plate body and the second plate body are both positioned on the bottom plate, two ends of the plurality of wires are respectively electrically connected with the first conduction part and the second conduction part, the first plate body is provided with a third conduction part and a fourth conduction part, each pad point of the third conduction part is electrically connected with each pad point of the fourth conduction part in a one-to-one correspondence manner, the second plate body is provided with a fifth conduction part and a sixth conduction part, each pad point of the fifth conduction part is electrically connected with each pad point of the sixth conduction part in a one-to-one correspondence manner, and the first conduction part, the fourth conduction part, the second conduction part and the fifth conduction part are in a splicing fit;

the crimping piece is located on the bottom plate and is electrically connected with the third conduction part.

Optionally, the supporting component still includes support frame and backing plate, the top and the bottom of support frame are connected respectively the support plate with the bottom plate, the opening has on the support plate, the backing plate is located the bottom plate with between the support plate, just the backing plate with the contained angle has between the support plate, the crimping piece with first plate body is located on the backing plate, the second plate body is located on the bottom plate.

Optionally, the bottom plate and/or the backing plate is provided with a wedge block, and the inclined surface of the wedge block is connected with the backing plate.

Optionally, the number of the support frames is 2, and 2 support frames are arranged in parallel at intervals.

Optionally, the first conduction part, the second conduction part, the third conduction part, the fourth conduction part, the fifth conduction part and the sixth conduction part are respectively one of a plug, a connector and a gold finger.

Optionally, the first conduction part, the fourth conduction part and the sixth conduction part are plugs, the second conduction part and the third conduction part are gold fingers, and the fifth conduction part is a connector.

Optionally, the carrier plate has a plurality of positioning stoppers arranged at intervals, and the plurality of positioning stoppers are arranged at intervals along the circumferential direction of the carrier plate.

Optionally, the second board body has a plurality of components thereon.

Optionally, the base plate is provided with a plurality of quick release bolts, and the plurality of quick release bolts are arranged at intervals along the circumferential direction of the base plate.

In a second aspect, the present invention provides a testing apparatus, which includes the universal crimping jig according to the first aspect.

The technical scheme provided by the embodiment of the utility model has the following beneficial effects:

for the universal crimping jig provided by the embodiment of the utility model, the display panel is firstly placed on the carrier plate before testing. In the test process, the electrical signal can loop through the sixth conduction part and the fifth conduction part of the second plate body, the second conduction part, the plurality of wires, the first conduction part, the fourth conduction part and the third conduction part of the first plate body and the connector of the pressure welding piece to be transmitted to the display panel, and different electrical signals in the conduction process correspond to different pad points and different wires.

When the connectors of the display panels with different definitions (the electrical signals required to be accessed by each pad point on the connectors with different definitions are different) are conducted, only the second conducting part, the plurality of wires and the first conducting part (the whole of the three can be regarded as an adapter) need to be removed, and the adapter corresponding to the connectors of other display panels is replaced, so that the wiring mode of a plurality of wires between the first conduction part and the second conduction part is adjusted by replacing the adapter, thereby realizing the adjustment of different electric signal trends (the correspondence defined by the electric signals between the first plate body and the second plate body can be revised by changing the corresponding relation of the wires between the first conduction part and the second conduction part, thereby finally adapting to the connectors of the display panels with different definitions), and then satisfy the signal of telecommunication that each pad point of connector needs to be accessed into, realize first plate body, second plate body, supporting component and crimping spare general.

That is to say, the universal crimping jig provided by the embodiment of the utility model can realize the universality of the crimping jig, only the adaptor is replaced, and the whole crimping jig does not need to be redesigned, so that the design cost and the production cost of the test are greatly reduced.

Drawings

Fig. 1 is a schematic structural diagram of a universal crimping jig according to an embodiment of the present invention;

fig. 2 is a schematic conducting diagram of a universal crimping jig according to an embodiment of the present invention;

fig. 3 is a schematic view of the assembly of the lead provided by the embodiment of the present invention.

The symbols in the drawings represent the following meanings:

1. a support assembly; 11. a base plate; 111. a quick release bolt; 12. a carrier plate; 121. positioning a stop block; 13. a support frame; 14. a base plate; 15. a tapered wedge; 2. a PCB board assembly; 21. a first plate body; 211. a third conduction part; 212. a fourth conduction part; 22. a second plate body; 221. a fifth conduction part; 222. a sixth conduction part; 23. a wire; 24. a first conduction part; 25. a second conduction part; 3. a crimping member; 100. a display panel.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

Fig. 1 is a schematic structural diagram of a universal crimping jig according to an embodiment of the present invention, and as shown in fig. 1, the universal crimping jig includes a supporting assembly 1, a PCB board assembly 2, and a crimping member 3 for crimping and connecting a display panel 100.

The support assembly 1 includes a base plate 11 and a carrier plate 12 for supporting the display panel 100, the carrier plate 12 being located on the base plate 11.

The PCB assembly 2 includes a first board body 21, a second board body 22, a plurality of wires 23, a first conduction part 24 and a second conduction part 25 (see fig. 2 and 3), the first board body 21 and the second board body 22 are both located on the bottom board 11, two ends of the plurality of wires 23 are electrically connected with the first conduction part 24 and the second conduction part 25 respectively, the first board body 21 is provided with a third conduction part 211 and a fourth conduction part 212, each pad point of the third conduction part 211 is electrically connected with each pad point of the fourth conduction part 212 in a one-to-one correspondence manner, the second board body 22 is provided with a fifth conduction part 221 and a sixth conduction part 222, each pad point of the fifth conduction part 221 is electrically connected with each pad point of the sixth conduction part 222 in a one-to-one correspondence manner, and the first conduction part 24 and the fourth conduction part 212, the second conduction part 25 and the fifth conduction part 221 are in a plugging fit.

The crimp 3 is located on the bottom plate 11, and the crimp 3 is electrically connected to the third conduction part 211.

For the universal pressing jig provided by the embodiment of the present invention, the display panel 100 is placed on the carrier 12 before the test. During the test, the electrical signals may be transmitted to the connector of the display panel 100 through the sixth conduction part 222 and the fifth conduction part 221 of the second board body 22, the second conduction part 25, the plurality of wires 23, the first conduction part 24, the fourth conduction part 212 and the third conduction part 211 of the first board body 21, and the compression joint 3 in sequence, and different electrical signals correspond to different pad points and different wires 23 during the conduction process.

When connectors of the display panel 100 with different definitions (electrical signals to be connected to each pad point on the connectors with different definitions are different) are conducted, only the second conduction part 25, the plurality of wires 23 and the first conduction part 24 (the whole of the three can be regarded as an adapter) need to be removed, and the adapter corresponding to the connector of other display panel needs to be replaced, so that the routing manner of the plurality of wires 23 between the first conduction part 24 and the second conduction part 25 is adjusted by replacing the adapter, thereby realizing adjustment of the directions of different electrical signals (the correspondence defined by the electrical signals between the first plate body 21 and the second plate body 22 can be modified again by changing the correspondence of the wires 23 between the first conduction part 24 and the second conduction part 25, thereby finally adapting to the connectors of the display panels with different definitions), further satisfying the electrical signals to be connected to each pad point of the connector, and realizing the electrical signals to be connected to the first plate body 21, The second plate body 22, the support assembly 1 and the crimp member 3 are common.

With continued reference to fig. 1, the support assembly 1 further includes a support frame 13 and a backing plate 14, the top and bottom of the support frame 13 are respectively connected to the carrier plate 12 and the bottom plate 11, the carrier plate 12 has an opening (not shown), the backing plate 14 is located between the bottom plate 11 and the carrier plate 12, an included angle is formed between the backing plate 14 and the carrier plate 12, the press-connecting member 3 and the first plate 21 are located on the backing plate 14, and the second plate 22 is located on the bottom plate 11.

In the above embodiment, the supporting frame 13 supports the bottom plate 11 and the carrier plate 12 at an interval, and the pad plate 14 supports the crimping member 3 and the first plate 21, so that the crimping member 3 can conduct the connector to the display panel 100 on the back of the screen body by folding back (folding back through the opening).

Illustratively, the carrier plate 12 and the base plate 11 are arranged in parallel.

Illustratively, the bottom plate 11 and/or the backing plate 14 are provided with a wedge 15, and the inclined surface of the wedge 15 is connected with the backing plate 14. The wedge 15 provides a stable support for the backing plate 14.

In the embodiment, the number of the support frames 13 is 2, and the 2 support frames 13 are arranged in parallel at intervals, so as to form a more stable support for the carrier plate 12.

It should be noted that in other embodiments of the present invention, the carrier 12 may also be directly placed on the bottom board 11, and may be applied to the display panel 100 with the connector parallel to the screen body.

In the present embodiment, each of the first conduction part 24, the second conduction part 25, the third conduction part 211, the fourth conduction part 212, the fifth conduction part 221, and the sixth conduction part 222 is one of a plug, a connector, and a gold finger. That is, the form of each conducting part can be changed according to design requirements, and the corresponding conduction of each Pad point can be realized.

For example, the first conductive part 24, the fourth conductive part 212, and the sixth conductive part 222 may be plugs, the second conductive part 25 and the third conductive part 211 may be gold fingers, and the fifth conductive part 221 may be a connector.

In one implementation manner of the present embodiment, the carrier plate 12 has a plurality of positioning stoppers 121 arranged at intervals, and the plurality of positioning stoppers 121 are arranged at intervals along the circumferential direction of the carrier plate 12, so that the positioning of the screen body of the display panel 100 is realized by the positioning stoppers 121.

Illustratively, the second board 22 has a plurality of components, which may be TVS tubes, resistors, dial switches, etc.

Illustratively, the bottom plate 11 has a plurality of quick-release bolts 111 thereon, and the plurality of quick-release bolts 111 are arranged at intervals along the circumferential direction of the bottom plate 11, so that the entire universal crimping jig can be fixed on the test platform.

The embodiment of the utility model also provides a testing device which comprises the universal crimping jig.

It will be understood by those skilled in the art that the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the utility model, and that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. The universal crimping jig is characterized by comprising a supporting assembly (1), a PCB (printed circuit board) assembly (2) and a crimping piece (3) for crimping and conducting a display panel (100);

the support assembly (1) comprises a base plate (11) and a carrier plate (12) for supporting the display panel (100), wherein the carrier plate (12) is positioned on the base plate (11);

the PCB assembly (2) comprises a first plate body (21), a second plate body (22), a plurality of wires (23), a first conduction part (24) and a second conduction part (25), wherein the first plate body (21) and the second plate body (22) are both positioned on the bottom plate (11), two ends of each wire (23) are respectively and electrically connected with the first conduction part (24) and the second conduction part (25), the first plate body (21) is provided with a third conduction part (211) and a fourth conduction part (212), each pad point of the third conduction part (211) and each pad point of the fourth conduction part (212) are electrically connected in a one-to-one correspondence manner, the second plate body (22) is provided with a fifth conduction part (221) and a sixth conduction part (222), each pad point of the fifth conduction part (221) and each pad point of the sixth conduction part (222) are electrically connected in a one-to one correspondence manner, the first conduction part (24) is in insertion fit with the fourth conduction part (212), and the second conduction part (25) is in insertion fit with the fifth conduction part (221);

the crimping piece (3) is located on the bottom plate (11), and the crimping piece (3) is electrically connected with the third conduction part (211).

2. A universal crimping jig according to claim 1, characterized in that the supporting assembly (1) further comprises a supporting frame (13) and a backing plate (14), the top and the bottom of the supporting frame (13) are respectively connected to the carrier plate (12) and the bottom plate (11), the carrier plate (12) has an opening thereon, the backing plate (14) is located between the bottom plate (11) and the carrier plate (12), and an included angle is located between the backing plate (14) and the carrier plate (12), the crimping piece (3) and the first plate body (21) are located on the backing plate (14), and the second plate body (22) is located on the bottom plate (11).

3. The universal crimping jig according to claim 2, characterized in that the bottom plate (11) and/or the backing plate (14) are provided with inclined wedges (15), and inclined surfaces of the inclined wedges (15) are connected with the backing plate (14).

4. The universal crimping jig according to claim 2, characterized in that the number of the support frames (13) is 2, and 2 support frames (13) are arranged in parallel at intervals.

5. The universal crimping jig according to claim 1, wherein the first conduction part (24), the second conduction part (25), the third conduction part (211), the fourth conduction part (212), the fifth conduction part (221), and the sixth conduction part (222) are respectively one of a plug, a connector, and a gold finger.

6. The universal crimping jig according to claim 5, wherein the first conduction part (24), the fourth conduction part (212) and the sixth conduction part (222) are plugs, the second conduction part (25) and the third conduction part (211) are gold fingers, and the fifth conduction part (221) is a connector.

7. The universal crimping jig according to any one of claims 1 to 6, characterized in that the carrier plate (12) has a plurality of positioning stoppers (121) arranged at intervals, and the plurality of positioning stoppers (121) are arranged at intervals along the circumferential direction of the carrier plate (12).

8. The universal crimping jig according to any one of claims 1 to 6, characterized in that the second plate body (22) has a plurality of components thereon.

9. The universal crimping jig according to any one of claims 1 to 6, characterized in that the base plate (11) has a plurality of quick release bolts (111), and the plurality of quick release bolts (111) are arranged at intervals along the circumferential direction of the base plate (11).

10. A test apparatus, characterized in that the test apparatus comprises a universal crimping jig according to any one of claims 1 to 9.