CN217820505U

CN217820505U - Display panel test fixture

Info

Publication number: CN217820505U
Application number: CN202221742795.XU
Authority: CN
Inventors: 蔡兴杰
Original assignee: Hefei Jinglan Semiconductor Co ltd
Current assignee: Hefei Jinglan Semiconductor Co ltd
Priority date: 2022-07-06
Filing date: 2022-07-06
Publication date: 2022-11-15
Anticipated expiration: 2032-07-06

Abstract

The utility model discloses a display panel test fixture, including base plate and the pressure head device of setting on the base plate, be provided with the storage tank on one side that is close to the locking piece on the base plate, be provided with heat-proof plug subassembly in the storage tank, heat-proof plug subassembly includes the roating seat through the rotatable setting of pivot in the storage tank, the fixed shelves piece that is used for locking piece pivoted that is provided with on the roating seat, separate shelves piece and the wireless electric connection of sensor. The utility model discloses a set up heat-proof plug subassembly on the base plate, be provided with the sensor on the upper clamp for the state of pressing from both sides can be responded to heat-proof plug subassembly: when the upper clamp is in a loose state, the PG cannot be powered on, the function of heat-proof insertion is realized, when the upper clamp is turned over from a closed state to an open state, the PG is automatically powered off, the function of heat-proof pull-out is realized, the test product is effectively prevented from being disassembled and assembled by testers in a charged state, and the product damage rate in the test process is greatly reduced.

Description

Display panel test fixture

Technical Field

The utility model relates to a display panel test equipment technical field specifically is a display panel test fixture.

Background

With the rapid development of display panel products (such as liquid crystal panels, OLED panels, micro led panels), consumers have more and more pursuits for display effects, and after manufacturing and assembling in a factory, in order to ensure quality, a power-on test needs to be performed to inspect the display panel.

Chinese patent publication No.: CN208488607U discloses a liquid crystal screen crimping formula test fixture, includes a base, a test platform of installing on the base, a keysets, a clamp plate, a layering, a left and right location strip and an upper and lower location strip that is used for driving the liquid crystal screen that awaits measuring to shine. The device enables the whole device to be suitable for liquid crystal screens of different sizes by adjusting the positions of the positioning strips. But the following disadvantages still exist in the actual using process: the tester installs and dismantles the LCD screen easily under the non-outage state, leads to the test product to appear damaging extremely easily.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a display panel test fixture to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a display panel test fixture, includes the base plate and sets up the pressure head device on the base plate, offer on the base plate be used for holding and with the product appearance assorted contour groove that awaits measuring, be provided with one end and the contour groove in the product electric connection's that awaits measuring switching FPC's switching FPC, the switching FPC other end presss from both sides probe electric connection in with down, the probe passes through needle mould fixing device and installs on the lower clamp, pressure head device is including the lower clamp of fixed setting on the base plate, lower clamp one end is through the rotatable connection of pivot and presss from both sides, on press from both sides and be provided with the fixture block on the one side relative with the pivot, on pressing from both sides down rotatable the locking piece that is used for the joint fixture block that is provided with, be provided with the storage tank on the one side that is close to the locking piece on the base plate, be provided with heat-proof plug subassembly in the storage tank, heat-proof plug subassembly includes the rotatable roating seat that sets up in the storage tank through the pivot, the fixed being provided with the spacer block that is used for the locking block pivoted on the roating seat, on pressing from both sides and be provided with the sensor that detects its position, spacer block and sensor wireless electric connection.

Preferably, the needle die fixing device comprises a probe fixing block arranged on the lower clamp, a plurality of groups of mounting grooves communicated with the upper portion and the lower portion are symmetrically formed in the two sides of the probe fixing block, the probe is mounted in the mounting grooves, and the probe is electrically connected with one end, located in the pressure head device, of the switching FPC.

Preferably, the upper clamp is provided with a pressing block which is used for pressing and holding one end of the switching FPC, which is positioned in the pressure head device, when the upper clamp is in a covering state.

Preferably, an adsorption hole is formed in the profiling groove.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a set up heat-proof plug subassembly on the base plate, be provided with the sensor on the upper clamp for the state of pressing from both sides can be responded to heat-proof plug subassembly: when the upper clamp is in a loose state, the PG cannot be powered on, the function of heat-proof insertion is realized, when the upper clamp is turned over from a closed state to an open state, the PG is automatically powered off, the function of heat-proof pull-out is realized, the test product is effectively prevented from being disassembled and assembled by testers in a charged state, and the product damage rate in the test process is greatly reduced.

Drawings

FIG. 1 is a schematic view of the present invention;

fig. 2 is a top view of the present invention;

FIG. 3 is an enlarged view of the structure of area A in FIG. 1;

fig. 4 is a schematic structural diagram of the probe fixing block of the present invention.

In the figure: the device comprises a substrate 1, an imitated groove 2, a transfer FPC3, a pressure head device 4, a lower clamp 5, an upper clamp 6, a pressing block 7, a clamping block 8, a locking block 9, a rotating seat 10, a blocking block 11, a containing groove 12, a probe fixing block 13 and a mounting groove 14.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution:

a display panel test fixture comprises a substrate 1 and a pressure head device 4 arranged on the substrate 1, wherein a contour groove 2 used for containing and matched with the appearance of a product to be tested is formed in the substrate 1, adsorption holes are formed in the contour groove 2, a panel of the product to be tested is arranged in the contour groove 2 and is adsorbed by the adsorption holes at the bottom, and the panel of the product to be tested can be accurately positioned; the substrate 1 is provided with a switching FPC3, one end of the switching FPC3 is electrically connected with a product to be tested in the profiling groove 2, the other end of the switching FPC3 is electrically connected with a probe in the lower clamp 5, and a test signal is transmitted to the test product from a signal emission source through the switching FPC3, so that the test of the product to be tested is realized; the probe is installed on the lower clamp 5 through a needle die fixing device, the needle die fixing device comprises a probe fixing block 13 arranged on the lower clamp 5, a plurality of groups of installation grooves 14 with upper parts separated and lower parts communicated are symmetrically formed in two sides of the probe fixing block 13, the installation grooves 14 are integrally milled by a high-precision numerical control milling machine, the probe is installed in the installation grooves 14, the upper end of the probe is electrically connected with one end, located in the pressure head device 4, of the switching FPC3, and the lower end of the probe is electrically connected with a signal source; the pressing head device 4 comprises a lower clamp 5 fixedly arranged on the substrate 1, one end of the lower clamp 5 is rotatably connected with an upper clamp 6 through a rotating shaft, a torsion spring is arranged on the rotating shaft, a clamping block 8 is arranged on one side of the upper clamp 6 opposite to the rotating shaft, a pressing block 7 used for pressing and holding one end of the switching FPC3, which is positioned in the pressing head device 4, in the covering state of the upper clamp 6 is arranged on the upper clamp 6, and a locking block 9 used for clamping the clamping block 8 is rotatably arranged on the lower clamp 5; when the probe is covered, the upper clamp 6 rotates by taking the rotating shaft as a circle center, and then the lower clamp 5 is covered, the locking block 9 is clamped with the clamping block 8, and the pressing block 7 is pressed at one end of the switching FPC3, so that the switching FPC3 can be in close contact with the probe; when the clamp is opened, the clamp opening cylinder drives the locking block 9 to rotate, so that the clamping block 8 is unlocked, and the upper clamp 6 rotates anticlockwise under the action of the torsion spring, so that the clamp is opened; a containing groove 12 is formed in one side, close to the locking block 9, of the substrate 1, a heat-proof plug assembly is arranged in the containing groove 12, the heat-proof plug assembly comprises a rotating seat 10 which is rotatably arranged in the containing groove 12 through a rotating shaft, a blocking block 11 used for rotating the locking block 9 is fixedly arranged on the rotating seat 10, a sensor for detecting the position of the blocking block is arranged on the upper clamp 6, and the blocking block 11 is in wireless electrical connection with the sensor; when the upper clamp 6 is in a loose state, the PG cannot be powered on, the function of heat-proof insertion is realized, when the upper clamp 6 is turned over from a closed state to an open state, the PG is automatically powered off, the function of heat-proof pull-out is realized, the test product is effectively prevented from being disassembled and assembled by testers in a charged state, and the product damage rate in the test process is greatly reduced.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a display panel test fixture, includes base plate (1) and pressure head device (4) of setting on base plate (1), offer on base plate (1) be used for holding and with the product appearance assorted profiling groove (2) that awaits measuring, be provided with the product electric connection's that awaits measuring switching FPC (3) in one end and profiling groove (2) on base plate (1), switching FPC (3) other end and the probe electric connection who presss from both sides (5) down, the probe passes through needle mould fixing device and installs on pressing from both sides (5) down, its characterized in that: pressure head device (4) press from both sides (5) including fixed lower that sets up on base plate (1), press from both sides (5) one end down and press from both sides (6) through the rotatable connection of pivot, on press from both sides (6) and be provided with fixture block (8) on the one side relative with the pivot, down press from both sides (5) and go up rotatable locking piece (9) that are provided with and are used for joint fixture block (8), be provided with storage tank (12) on one side that is close to locking piece (9) on base plate (1), be provided with in storage tank (12) and prevent hot plug subassembly, prevent that hot plug subassembly includes roating seat (10) through the rotatable setting of pivot in storage tank (12), fixed being provided with on roating seat (10) is used for locking piece (9) pivoted to separate shelves piece (11), on pressing from both sides (6) be provided with the sensor that detects its position, separate shelves piece (11) and sensor wireless electric connection.

2. The testing fixture for display panel according to claim 1, wherein: needle mould fixing device is including setting up probe fixed block (13) on lower clamp (5), mounting groove (14) that multiunit upper portion wall, lower part intercommunication are seted up to probe fixed block (13) bilateral symmetry, and the probe is installed in mounting groove (14), the probe with switching FPC (3) are located the one end electric connection in pressure head device (4).

3. The testing fixture for display panel according to claim 2, wherein: and a pressing block (7) which is used for pressing and holding one end of the switching FPC (3) positioned in the pressure head device (4) when the upper clamp (6) is in a covering state is arranged on the upper clamp (6).

4. The testing fixture for display panels according to any one of claims 1 to 3, wherein: and adsorption holes are arranged in the profiling grooves (2).