CN219871425U - Multi-station high-temperature high-humidity aging fixture capable of preventing water vapor for liquid crystal display module - Google Patents

Abstract

The utility model discloses a multi-station high-temperature high-humidity aging-resistant fixture for a liquid crystal display module, which comprises a sealing box body, wherein the sealing box body comprises a bottom box and an upper cover, two cutting frames are vertically and symmetrically and fixedly arranged on the upper side of the upper cover, the cutting frames are comb-shaped and are connected with the upper cover through fasteners, and a test main board is fixedly arranged in the bottom box. The multi-station high-temperature high-humidity aging-resistant fixture for the liquid crystal display module provided by the utility model solves the problems that the temperature of an experimental box can reach 85 ℃ and the humidity can reach 85% when the traditional TFT liquid crystal display screen is subjected to high-temperature high-humidity lighting operation test, a test main board (circuit board) is easily damaged by water vapor erosion, is not easy to replace, has single specification and cannot be suitable for experiments of different specifications.

Description

Multi-station high-temperature high-humidity aging fixture capable of preventing water vapor for liquid crystal display module

Technical Field

The utility model relates to the technical field of jig equipment, in particular to a multi-station high-temperature high-humidity aging fixture for a liquid crystal display module capable of preventing water vapor.

Background

Along with the faster and faster updating speed of electronic products, the demand of display screens is also increasing. Generally, after mass production of display panels, manufacturers generally perform various tests on the display panels, and leave the factory after the tests are passed. An essential test link in the display screen test is a test of lighting the display screen by using a test fixture, for example, a lighting function in the test fixture is used for lighting the display screen, and the TFT refers to a thin film transistor, that is, each liquid crystal pixel is driven by a thin film transistor integrated behind the pixel, so that high-speed, high-brightness and high-contrast display screen information can be achieved, and the display screen is one of the best LCD color display devices at present, and has an effect close to that of a CRT display, and is a main stream display device on a notebook computer and a desktop computer at present. Each pixel point of the TFT is controlled by the TFT integrated on itself, and is an active pixel point. Therefore, not only the speed can be greatly improved, but also the contrast and brightness can be greatly improved, and the resolution can be also at a high level.

At present, the TFT liquid crystal display is subjected to high-temperature high-humidity lighting operation test, the temperature of an experiment box can reach 85 ℃, the humidity can reach 85%, a test main board (circuit board) is easily corroded by water vapor to damage the circuit board, the circuit board is not easy to replace, the specification is single, the test is not suitable for experiments of different specifications, and an easy-replacement waterproof lighting experiment clamp is required to be designed to protect the circuit board.

Disclosure of Invention

Based on this, it is necessary to provide a multistation anti-vapor liquid crystal display module high temperature and high humidity aging fixture to the above technical problem, isolate the vapor in the test process, avoid the vapor to damage the circuit, simultaneously, can design the number of cutting grids according to the product that the test motherboard can test, reach multistation simultaneous operation.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides a but multistation prevents ageing anchor clamps of liquid crystal display module high temperature high humidity of steam, it includes sealed box body, sealed box body has end box and upper cover to constitute, two cutting frames of upper cover upside vertical symmetry fixed mounting, the cutting frame is the broach form, and is connected through the fastener between with the upper cover, end box internal fixation has the test mainboard.

As a preferred implementation mode of the multi-station high-temperature high-humidity aging-resistant liquid crystal display module clamp, a sealing ring is fixedly arranged in the bottom box, and the sealing ring surrounds the periphery of the test main board.

As a preferred implementation mode of the multi-station high-temperature and high-humidity aging-resistant clamp for the liquid crystal display module, the sealing ring is made of high-temperature-resistant materials.

As a preferred implementation mode of the multi-station high-temperature and high-humidity aging-resistant liquid crystal display module clamp, the rear side of the upper cover is hinged with the rear side of the bottom box through two fixed hinges so as to realize folding.

As a preferred implementation mode of the multi-station high-temperature and high-humidity aging-resistant liquid crystal display module clamp, two lock catches are arranged on the front sides of the bottom box and the upper cover, and the bottom box and the upper cover can be buckled and fixed through the lock catches.

As a preferred implementation mode of the multi-station high-temperature and high-humidity aging-resistant liquid crystal display module clamp, the cutting frame comprises a plurality of cutting rods and a cross beam, wherein an angle adjusting part is arranged in the cross beam and is used for adjusting the inclination angles of the cutting rods.

As a preferred implementation mode of the multi-station high-temperature and high-humidity aging-resistant liquid crystal display module clamp capable of preventing water vapor, the angle adjusting component comprises a plurality of pin shafts, a pull rod and two nuts, a plurality of placement grooves are formed in the cross beam, a plurality of inserting rods are respectively installed in the placement grooves through the pin shafts in a rotating mode, sliding ports are formed in the bottom sides of the inserting rods, the pull rod is horizontally installed in the cross beam in a sliding mode, the two ends of the pull rod are threaded sections, the two nuts are respectively sleeved on the two threaded sections in a threaded mode, a plurality of clamping rods are fixedly inserted into the pull rod, and the clamping rods are respectively located in the sliding ports.

As a preferred implementation mode of the multi-station high-temperature and high-humidity aging-resistant liquid crystal display module clamp, the inserting rod consists of a support block at the bottom and a vertical rod at the top, the top end of the support block is in a guide rail shape, and the bottom of the vertical rod is embedded in the top end of the support block in a sliding manner.

As a preferred implementation mode of the multi-station high-temperature and high-humidity aging-resistant liquid crystal display module clamp, the locking component is arranged in the bottom end of the vertical rod and used for limiting the relative position between the vertical rod and the supporting block.

As a preferred implementation mode of the multi-station high-temperature and high-humidity aging-resistant liquid crystal display module clamp capable of preventing water vapor, the locking component comprises a first clamping block, a second clamping block and a screw, a placement cavity is formed in the bottom of the vertical rod, the first clamping block is vertically and slidably arranged in the placement cavity, the second clamping block is horizontally and slidably arranged in the placement cavity, the screw is horizontally and rotatably sleeved in the vertical rod, the end part of the screw is sleeved in the second clamping block, and the first clamping block and the second clamping block are mutually matched inclined tables.

Compared with the prior art, the utility model has the following beneficial effects:

1) The sealing box body has good sealing performance, so that the circuit board is prevented from being damaged by water vapor, and the sealing box body has good protective performance;

2) The inclination angle and the interval of the inserting rod can be adjusted through the angle adjusting component and the locking component, and the form of the inserting frame can be designed according to a product which can be tested by the test main board, so that the multi-station simultaneous operation is achieved.

Drawings

In order to more clearly illustrate the solution of the present utility model, a brief description will be given below of the drawings required for the description of the embodiments, it being obvious that the drawings in the following description are some embodiments of the present utility model, and that other drawings may be obtained from these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a perspective structure of a falling ball test fixture provided by the utility model;

FIG. 2 is a schematic diagram of a three-dimensional explosion structure of the falling ball test fixture provided by the utility model;

FIG. 3 is a schematic diagram of a side view partial cross-section structure of the falling ball test fixture provided by the utility model;

fig. 4 is a schematic structural diagram of a portion a in fig. 3.

The labels in the figures are illustrated below:

1. sealing the box body; 101. a bottom box; 102. an upper cover; 2. a cutting rack; 201. a rod; 202. a cross beam; 203. a placement groove; 204. a support block; 205. a vertical rod; 3. testing a main board; 4. a seal ring; 5. fixing a hinge; 6. locking; 7. a pin shaft; 8. a pull rod; 9. a screw cap; 10. a sliding port; 11. a threaded section; 12. a clamping rod; 13. a first clamping block; 14. a second clamping block; 15. a screw; 16. the cavity is arranged.

Detailed Description

In order that those skilled in the art will better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.

As described in the background art, the temperature of the experimental box can reach 85 ℃ and the humidity of the experimental box can reach 85% when the TFT liquid crystal display screen is subjected to high-temperature high-humidity lighting operation test, the test main board (circuit board) is easily damaged by water vapor erosion, and the test main board (circuit board) is not easy to replace, has single specification and cannot adapt to experiments with different specifications.

In order to solve the technical problem, the utility model provides a multi-station high-temperature high-humidity aging-resistant clamp for a liquid crystal display module, which is applied to fixing a TFT display module test.

Specifically, please refer to fig. 1-4, a multi-station high temperature and high humidity aging-resistant fixture for a liquid crystal display module is characterized by comprising a sealed box body 1, wherein the sealed box body 1 comprises a bottom box 101 and an upper cover 102, two cutting frames 2 are vertically and symmetrically and fixedly arranged on the upper side of the upper cover 102, the cutting frames 2 are comb-shaped and are connected with the upper cover 102 through fasteners, and a test main board 3 is fixedly arranged in the bottom box 101.

The test fixture consists of a flip seal box body 1 and a cutting frame 2, ensures that the fixture has good sealing performance, and can design the form of the cutting frame 2 according to a product which can be tested by a test main board 3, thereby achieving multi-station simultaneous operation.

In order to make the person skilled in the art better understand the solution of the present utility model, the technical solution of the embodiment of the present utility model will be clearly and completely described below with reference to the accompanying drawings.

It should be noted that, under the condition of no conflict, the embodiments of the present utility model and the features and technical solutions in the embodiments may be combined with each other.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

Example 1

Referring to fig. 1-2, a multi-station high-temperature and high-humidity aging-resistant fixture for a liquid crystal display module comprises a sealed box body 1, wherein the sealed box body 1 comprises a bottom box 101 and an upper cover 102, two cutting frames 2 are vertically and symmetrically and fixedly arranged on the upper side of the upper cover 102, the cutting frames 2 are comb-shaped and are connected with the upper cover 102 through fasteners, and a test main board 3 is fixedly arranged in the bottom box 101.

The sealing ring 4 is fixedly arranged in the bottom box 101, the sealing ring 4 surrounds the periphery of the test main board 3, the sealing ring 4 is made of high-temperature resistant materials, and the sealing ring 4 can further guarantee the sealing performance.

The rear side of the upper cover 102 is hinged with the rear side of the bottom box 101 through two fixed hinges 5 so as to realize folding.

Two lock catches 6 are arranged on the front sides of the bottom box 101 and the upper cover 102, and the bottom box 101 and the upper cover 102 can be buckled and fixed through the lock catches 6.

During testing, the product is placed in the sealing box body 1, then the lock catch 6 is locked, and under the cooperation of the fixed hinge 5 and the lock catch 6, the sealing box body 1 can be guaranteed to have good sealing performance, so that the circuit board is prevented from being damaged by water vapor.

Example 2

The multi-station high-temperature high-humidity aging fixture for the liquid crystal display module capable of preventing water vapor provided in embodiment 1 is further optimized, specifically, as shown in fig. 3-4, the cutting frame 2 is composed of a plurality of cutting rods 201 and a cross beam 202, and an angle adjusting component is arranged in the cross beam 202 and is used for adjusting the inclination angle of the plurality of cutting rods 201.

The angle adjusting component comprises a plurality of pin shafts 7, a pull rod 8 and two nuts 9, wherein a plurality of setting grooves 203 are formed in a cross beam 202, a plurality of inserting rods 201 are respectively installed in the plurality of setting grooves 203 in a rotating mode through the plurality of pin shafts 7, sliding ports 10 are formed in the bottom sides of the inserting rods 201, the pull rod 8 is horizontally and slidably installed in the cross beam 202, the two ends of the pull rod 8 are respectively provided with a threaded section 11, the two nuts 9 are respectively sleeved on the two threaded sections 11 in a threaded mode, a plurality of clamping rods 12 are fixedly inserted in the pull rod 8, and the plurality of clamping rods 12 are respectively located in the plurality of sliding ports 10.

Through the operation of the angle adjusting component, the inclination angle of the plurality of inserting rods 201 can be adjusted, the two nuts 9 are rotated to drive the pull rod 8 to move in the cross beam 202, the cross beam 202 drives the plurality of clamping rods 12 to move, and the clamping rods 12 push the inserting rods 201 to deflect under the support of the pin shafts 7, so that the inclination angle is adjusted, and the device is suitable for product tests of different specifications.

Example 3

For further optimization of the multi-station high-temperature and high-humidity aging-resistant fixture for the liquid crystal display module provided in embodiment 2, as shown in fig. 3-4, the inserting rod 201 is composed of a bottom supporting block 204 and a top upright rod 205, the top end of the supporting block 204 is in a guide rail shape, and the bottom of the upright rod 205 is embedded in the top end of the supporting block 204 in a sliding manner.

A locking component is arranged in the bottom end of the upright rod 205 and is used for limiting the relative position between the upright rod 205 and the supporting block 204.

The locking part comprises a first clamping block 13, a second clamping block 14 and a screw 15, a setting cavity 16 is formed in the bottom of the vertical rod 205, the first clamping block 13 is vertically and slidably installed in the setting cavity 16, the second clamping block 14 is horizontally and slidably installed in the setting cavity 16, the screw 15 is horizontally and rotatably sleeved in the vertical rod 205, an end thread is sleeved in the second clamping block 14, and the first clamping block 13 and the second clamping block 14 are mutually matched inclined tables.

Through the interval between the adjustable inserted bar 201 of locking part, during the adjustment, will twist the screw 15 for second fixture block 14 horizontal slip keeps away from first fixture block 13, realizes the unblock, promotes pole setting 205 and removes, and after the interval adjustment was good, reverse rotation screw 15, second fixture block 14 reverse movement compresses tightly first fixture block 13 on supporting block 204, realizes locking, thereby has restricted the interval between two adjacent inserted bars 201.

The use principle is as follows:

when testing the product, comb the product through cutting frame 2 at first, when carding, according to the product specification, adjust inclination and interval to insert pole 201, in order to adapt to the specification of product, then with hasp 6 unblock, put into the product, and buckle 6 fastening, test the product, but this test fixture comprises flip seal box body 1 and sealing washer 4 and cutting frame 2, guarantee that the anchor clamps have good leakproofness, but simultaneously through angle adjusting part and locking part adjustable cutting pole 201's inclination and interval, can design cutting frame 2's form according to the product that test mainboard 3 can test, reach multistation simultaneous operation.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

It is apparent that the above-described embodiments are only some embodiments of the present utility model, but not all embodiments, and the preferred embodiments of the present utility model are shown in the drawings, which do not limit the scope of the patent claims. This utility model may be embodied in many different forms, but rather, embodiments are provided in order to provide a thorough and complete understanding of the present disclosure. Although the utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing description, or equivalents may be substituted for elements thereof. All equivalent structures made by the content of the specification and the drawings of the utility model are directly or indirectly applied to other related technical fields, and are also within the scope of the utility model.

Claims (10)

1. The utility model provides a but multistation prevents ageing anchor clamps of liquid crystal display module high temperature high humidity of steam, its characterized in that, it includes sealed box body (1), sealed box body (1) have end box (101) and upper cover (102) to constitute, two cutting frames (2) are installed to upper cover (102) upside vertical symmetry, cutting frames (2) are the broach form, and are connected through the fastener between upper cover (102), end box (101) internal fixation has test mainboard (3).

2. The multi-station high-temperature and high-humidity aging-resistant fixture for the liquid crystal display module, which is characterized in that a sealing ring (4) is fixedly arranged in the bottom box (101), and the sealing ring (4) surrounds the periphery of the test main board (3).

3. The multi-station high-temperature and high-humidity aging-resistant fixture for the liquid crystal display module, which is characterized in that the sealing ring (4) is made of high-temperature-resistant materials.

4. The multi-station high-temperature and high-humidity aging-resistant fixture for the liquid crystal display module, which is characterized in that the rear side of the upper cover (102) is hinged with the rear side of the bottom box (101) through two fixed hinges (5) so as to realize folding.

5. The multi-station high-temperature high-humidity aging-resistant fixture for the liquid crystal display module, which is characterized in that two lock catches (6) are arranged on the front sides of the bottom box (101) and the upper cover (102), and the lock catches (6) can be used for realizing the buckling and fixing between the bottom box (101) and the upper cover (102).

6. The multi-station high-temperature and high-humidity aging-resistant fixture for the liquid crystal display module, which is characterized in that the cutting frame (2) consists of a plurality of cutting rods (201) and a cross beam (202), wherein an angle adjusting component is arranged in the cross beam (202) and is used for adjusting the inclination angle of the plurality of cutting rods (201).

7. The multi-station high-temperature high-humidity aging-resistant liquid crystal display module clamp capable of preventing water vapor according to claim 6, wherein the angle adjusting component comprises a plurality of pin shafts (7), a pull rod (8) and two nuts (9), a plurality of placement grooves (203) are formed in the cross beam (202), a plurality of inserting rods (201) are respectively installed in the placement grooves (203) through the rotation of the pin shafts (7), sliding ports (10) are formed in the bottom sides of the inserting rods (201), the pull rod (8) is horizontally and slidably installed in the cross beam (202), threaded sections (11) are arranged at two ends of the pull rod, the two nuts (9) are respectively sleeved on the two threaded sections (11), a plurality of clamping rods (12) are fixedly inserted in the pull rod (8), and the clamping rods (12) are respectively located in the sliding ports (10).

8. The multi-station high-temperature and high-humidity aging-resistant fixture for the liquid crystal display module, which is characterized in that the inserting rod (201) is composed of a supporting block (204) at the bottom and a vertical rod (205) at the top, the top end of the supporting block (204) is in a guide rail shape, and the bottom of the vertical rod (205) is embedded in the top end of the supporting block (204) in a sliding manner.

9. The multi-station high-temperature and high-humidity aging-resistant fixture for the liquid crystal display module, which is characterized in that a locking component is arranged in the bottom end of the upright (205), and the locking component is used for limiting the relative position between the upright (205) and the supporting block (204).

10. The multi-station high-temperature and high-humidity aging-resistant liquid crystal display module clamp capable of preventing water vapor according to claim 9, wherein the locking component comprises a first clamping block (13), a second clamping block (14) and a screw (15), a placement cavity (16) is formed in the bottom of the vertical rod (205), the first clamping block (13) is vertically and slidably installed in the placement cavity (16), the second clamping block (14) is horizontally and slidably installed in the placement cavity (16), the screw (15) is horizontally and rotatably sleeved in the vertical rod (205), an end portion of the screw is sleeved in the second clamping block (14), and the first clamping block (13) and the second clamping block (14) are mutually matched inclined tables.