CN215986188U

CN215986188U - Universal PCB, crimping jig and crimping testing device

Info

Publication number: CN215986188U
Application number: CN202122294851.XU
Authority: CN
Inventors: 项芳
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: 2021-09-18
Filing date: 2021-09-18
Publication date: 2022-03-08
Anticipated expiration: 2031-09-18

Abstract

The utility model discloses a universal PCB, a crimping jig and a crimping test device, and belongs to the field of display panel tests. The universal PCB comprises a first board body, a second board body and a switching assembly. The first plate body is provided with a golden finger and a first connector plug, each pad point of the golden finger is communicated with each pad point of the first connector plug in a one-to-one correspondence mode, the second plate body is provided with a signal input port and a second connector plug, each pad point of the signal input port is communicated with each pad point of the second connector plug in a one-to-one correspondence mode, the switching assembly comprises a plurality of wires, a third connector plug and a fourth connector plug, the third connector plug is movably inserted into the first connector plug, and the fourth connector plug is movably inserted into the second connector plug. The universal PCB provided by the embodiment of the utility model can realize the universality of the PCB without redesigning the PCB, thereby reducing the design cost and the production cost.

Description

Universal PCB, crimping jig and crimping testing device

Technical Field

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

Background

In order to effectively ensure the quality of the display panel, a technician may perform a series of performance tests on the display panel during the production process of the display panel, such as a dot screen test, a Gamma Tuning test, and the like, wherein the tests all require that the connector on the display panel is connected and connected by using the crimping jig, so as to realize the connection of the display panel.

In the test of the display panel, the definition of the connector of different display panels is generally different, so when the crimping jig performs product crimping, the PCB board for probe crimping 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 products need to be redesigned to form the PCB, 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 PCB, a crimping jig and a crimping test device, aiming at realizing the universal use of the PCB without redesigning the PCB, thereby reducing the design cost and the production cost.

In a first aspect, the present invention provides a universal PCB, which includes a first board, a second board and a switching assembly;

the first plate body is provided with a golden finger and a first connector plug, each pad point of the golden finger is communicated with each pad point of the first connector plug in a one-to-one correspondence mode, the second plate body is provided with a signal input port and a second connector plug, each pad point of the signal input port is communicated with each pad point of the second connector plug in a one-to-one correspondence mode, the adapter assembly comprises a plurality of wires, a third connector plug and a fourth connector plug, the third connector plug and the fourth connector plug are electrically connected with two ends of the plurality of wires respectively, the third connector plug is movably inserted into the first connector plug, and the fourth connector plug is movably inserted into the second connector plug.

Optionally, the universal PCB further comprises a wire sheath, and each of the wires is inserted into the wire sheath.

Optionally, the first plate body is provided with a plurality of first mounting holes, the first mounting holes are circumferentially spaced apart from each other along the first plate body, the second plate body is provided with a plurality of second mounting holes, and the second mounting holes are circumferentially spaced apart from each other along the second plate body.

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

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

Optionally, the crimping tool still includes bottom plate and crimping subassembly, the crimping subassembly includes pressure head and cylinder, first plate body with the second plate body all is located on the pressure head, probe module has on the pressure head, the one end of probe module with the golden finger switches on, the cylinder is located on the bottom plate, the output shaft of cylinder with the pressure head transmission is connected, in order to drive the pressure head goes up and down.

Optionally, the bottom plate is provided with a carrier plate for placing the display panel, and the circumferential direction of the carrier plate is provided with a plurality of spaced stops.

Optionally, the carrier has a vacuum suction hole thereon to suck the display panel.

Optionally, the pressure head has a mounting plate thereon, and the second plate is located on the mounting plate.

In a third aspect, the present invention provides a crimping test device comprising a universal PCB board as described in the first aspect.

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

for the universal PCB provided in the embodiment of the present invention, because each pad point of the gold finger is in one-to-one correspondence communication with each pad point of the first connector plug, each pad point of the signal input port is in one-to-one correspondence communication with each pad point of the second connector plug, the third connector plug is movably plugged in the first connector plug, and the fourth connector plug is movably plugged in the second connector plug, the electrical signal can sequentially pass through the signal input port, the second connector plug, the fourth connector plug, the plurality of wires, the third connector plug and the first connector plug, and finally be transmitted to the gold finger, thereby being further transmitted to the probe module and the connector of the display panel, and different electrical signals correspond to different pad points and different wires in the conduction process.

When connectors of display panels with different definitions are conducted (electric signals required to be accessed by various pad points on connectors with different definitions are different), only the switching component needs to be removed, and the switching component corresponding to the connector of the display panel to be tested is replaced, so that wiring modes of a plurality of wires between the third connector plug and the fourth connector plug are adjusted by replacing the switching component, and therefore adjustment of different electric signal trends is achieved (the correspondence between electric signal definitions between the first plate body and the second plate body can be revised again by changing the corresponding relation of wires between the third connector plug and the fourth connector plug, so that the connectors of the display panels with different definitions are finally adapted), electric signals required to be accessed by various pad points of the connector to be tested are met, and the universality of the first plate body and the second plate body is achieved.

That is to say, the universal PCB provided by the embodiment of the present invention can realize the universal use of the PCB without redesigning the PCB, thereby reducing the design cost and the production cost.

Drawings

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

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

fig. 3 is a partial cross-sectional view of a crimping jig according to an embodiment of the present invention.

The symbols in the drawings represent the following meanings:

1. a first plate body; 11. a golden finger; 12. a first connector plug; 13. a first mounting hole; 2. a second plate body; 21. a signal input port; 22. a second connector plug; 23. a second mounting hole; 24. a component; 3. a switching component; 31. a third connector plug; 32. a fourth connector plug; 33. a wire; 4. a base plate; 41. a carrier plate; 411. a stopper; 412. a vacuum adsorption hole; 5. a crimping assembly; 51. a pressure head; 511. mounting a plate; 512. a mold core fixing block; 52. and a cylinder.

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 PCB according to an embodiment of the present invention, and as shown in fig. 1, the universal PCB includes a first board body 1, a second board body 2, and an adapter assembly 3.

The first board body 1 is provided with a golden finger 11 and a first connector plug 12, each pad point of the golden finger 11 is communicated with each pad point of the first connector plug 12 in a one-to-one correspondence manner, the second board body 2 is provided with a signal input port 21 and a second connector plug 22, each pad point of the signal input port 21 is communicated with each pad point of the second connector plug 22 in a one-to-one correspondence manner, the adapter assembly 3 comprises a plurality of wires 33, and a third connector plug 31 and a fourth connector plug 32 which are respectively electrically connected with two ends of the plurality of wires 33, the third connector plug 31 is movably inserted into the first connector plug 12, and the fourth connector plug 32 is movably inserted into the second connector plug 22.

For the universal PCB provided in the embodiment of the present invention, because each pad point of the gold finger 11 is in one-to-one corresponding communication with each pad point of the first connector plug 12, each pad point of the signal input port 21 is in one-to-one corresponding communication with each pad point of the second connector plug 22, the third connector plug 31 is movably plugged in the first connector plug 12, and the fourth connector plug 32 is movably plugged in the second connector plug 22, the electrical signal may sequentially pass through the signal input port 21, the second connector plug 22, the fourth connector plug 32, the plurality of wires 33, the third connector plug 31, and the first connector plug 12, and finally be transmitted to the gold finger 11, thereby being further transmitted to the connectors of the probe module and the display panel, and different electrical signals correspond to different pad points and different wires 33 in the conduction process.

When the connectors of the display panels with different definitions are conducted (the electrical signals required to be accessed by each pad point on the connectors with different definitions are different), only the adapting component 3 needs to be removed, and the adapting assembly 3 corresponding to the connector of the display panel to be tested is replaced, so that the wiring mode of the plurality of wires 33 between the third connector plug 31 and the fourth connector plug 32 is adjusted by replacing the adapting assembly 3, thereby realizing the adjustment of different electric signal directions (the correspondence defined by the electric signals between the first board body 1 and the second board body 2 can be revised again by changing the corresponding relation of the wires 33 between the third connector plug 31 and the fourth connector plug 32, 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 the connector that awaits measuring needs to be accessed, realize first plate body 1 and second plate body 2's general.

It will be readily appreciated that in other embodiments of the present invention, the routing of the wires 33 in the patching assembly 3 may be directly adjusted without replacing the third connector plug 31 and the fourth connector plug 32, thereby further saving costs.

Illustratively, the gold finger 11 is located on the bottom surface of the first board body 1.

In this embodiment, the universal PCB further includes a wire sheath (not shown), and each wire 33 is inserted into the wire sheath.

In the above embodiment, the guide sleeve protects the lead 33 from being damaged during the test.

With continued reference to fig. 1, the first plate body 1 has a plurality of first mounting holes 13, the plurality of first mounting holes 13 are arranged along the circumferential direction of the first plate body 1 at intervals, the second plate body 2 has a plurality of second mounting holes 23, the plurality of second mounting holes 23 are arranged along the circumferential direction of the second plate body 2 at intervals, so that the first plate body 1 and the second plate body 2 are mounted through the first mounting holes 13 and the second mounting holes 23.

In this embodiment, the second board 2 has a plurality of components 24, and the components 24 may be TVS tubes, resistors, dial switches, etc.

Fig. 2 is a schematic structural diagram of a crimping jig according to an embodiment of the present invention, and as shown in fig. 2, the crimping jig includes the above-mentioned general PCB.

Specifically, crimping tool still includes bottom plate 4 and crimping subassembly 5, and crimping subassembly 5 includes pressure head 51 and cylinder 52, and first plate body 1 and second plate body 2 all are located pressure head 51, have the probe module on the pressure head 51, and the one end and the golden finger 11 of probe module switch on, and cylinder 52 is located bottom plate 4, and the output shaft and the pressure head 51 transmission of cylinder 52 are connected to drive pressure head 51 goes up and down.

In the above embodiment, the display panel is placed on the bottom plate 4, the connector of the display panel corresponds to the probe module on the pressing head 51, and finally the pressing head 51 is lifted up and down by the cylinder 52, so that the connector of the display panel and the probe module are conducted.

Fig. 3 is a partial cross-sectional view of a crimping jig according to an embodiment of the present invention, as shown in fig. 3, a die core fixing block 512 is provided at the bottom of the pressing head 51, and the probe module is located in the die core fixing block 512.

Illustratively, the ram 51 has a mounting plate 511 thereon, and the second plate body 2 is seated on the mounting plate 511 to mount the second plate body 2.

Referring again to fig. 1, the chassis 4 has a carrier plate 41 on which the display panel rests, and the carrier plate 41 has a plurality of stoppers 411 arranged at intervals in the circumferential direction.

In the above embodiment, the carrier board 41 plays a role of resting the display panel, and the stopper 411 plays a role of positioning the display panel.

The carrier 41 has a vacuum suction hole 412 for sucking the display panel, so as to prevent the display panel from moving accidentally during the test.

The embodiment of the utility model also provides a crimping test device which comprises the universal PCB.

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 PCB is characterized by comprising a first board body (1), a second board body (2) and a switching component (3);

the first board body (1) is provided with a golden finger (11) and a first connector plug (12), the pad points of the gold finger (11) and the pad points of the first connector plug (12) are correspondingly communicated one by one, the second board body (2) is provided with a signal input port (21) and a second connector plug (22), the pad points of the signal input port (21) and the pad points of the second connector plug (22) are communicated in a one-to-one correspondence manner, the adapter component (3) comprises a plurality of wires (33), and a third connector plug (31) and a fourth connector plug (32) which are respectively and electrically connected with two ends of the wires (33), the third connector plug (31) is movably plugged into the first connector plug (12), the fourth connector plug (32) is movably plugged into the second connector plug (22).

2. A universal PCB board as claimed in claim 1, further comprising a wire sheath, each wire (33) being inserted in the wire sheath.

3. A universal PCB board as claimed in claim 1 or 2, wherein the first board body (1) has a plurality of first mounting holes (13), the plurality of first mounting holes (13) are spaced along the circumference of the first board body (1), the second board body (2) has a plurality of second mounting holes (23), and the plurality of second mounting holes (23) are spaced along the circumference of the second board body (2).

4. A universal PCB board according to claim 1 or 2, characterized in that the second board body (2) has a plurality of components (24) thereon.

5. A press-bonding jig, characterized in that the press-bonding jig comprises a universal PCB board as claimed in any one of claims 1-4.

6. The crimping jig according to claim 5, further comprising a bottom plate (4) and a crimping assembly (5), wherein the crimping assembly (5) comprises a pressure head (51) and a cylinder (52), the first plate body (1) and the second plate body (2) are both located on the pressure head (51), a probe module is arranged on the pressure head (51), one end of the probe module is conducted with the golden finger (11), the cylinder (52) is located on the bottom plate (4), and an output shaft of the cylinder (52) is in transmission connection with the pressure head (51) to drive the pressure head (51) to lift.

7. The crimping jig according to claim 6, characterized in that the base plate (4) is provided with a carrier plate (41) for placing a display panel thereon, and the carrier plate (41) is provided with a plurality of stoppers (411) arranged at intervals along the circumferential direction.

8. The press-bonding jig as claimed in claim 7, wherein the carrier (41) has vacuum suction holes (412) for sucking the display panel.

9. Crimping jig according to claim 6, characterized in that the ram (51) has a mounting plate (511) thereon, the second plate (2) being located on the mounting plate (511).

10. A crimp testing device comprising a universal PCB board as claimed in any one of claims 1 to 4.