Electrical performance test fixture for liquid crystal display module
By designing a liquid crystal display module electrical performance testing fixture with fixed clip strips, movable clip strips and slide rail structures, and setting buffers in the fixture, the problems of low efficiency and high cost caused by the variety of fixtures in the electrical performance test of liquid crystal display modules in the prior art are solved, and an efficient and safe testing process is achieved.
Patent Information
- Application Number
- CN202421510148.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-28
- Publication Date
- 2025-06-03
- Estimated Expiration
- 2034-06-28
AI Technical Summary
The prior art requires a variety of specifications of test fixtures in the electrical performance test of liquid crystal display modules, resulting in low working efficiency and high cost, and the lack of buffer structure may lead to damage to the liquid crystal display module.
An electrical performance test fixture for liquid crystal display modules is designed, using fixed clamp strips, movable clamp strips and slide rail structures. The movable clamp strips and fixed clamp strips are locked through the fixture to achieve clamping of liquid crystal display modules of different sizes and specifications, and first and second buffers are provided in the fixture to protect the liquid crystal display modules.
It effectively avoids the use of multiple types of fixtures, improves work efficiency, reduces the investment cost of the test project on the fixture, and reduces the risk of damage to the LCD module during clamping through buffers, and improves the safety of the LCD module.
Smart Images
Figure CN222932544U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of test jigs, in particular to an electrical property test jig for a liquid crystal display module. Background Art
[0002] In order to improve the stability and reliability of a liquid crystal display module in actual applications, manufacturers need to conduct necessary tests before the liquid crystal display module is packaged and put on the market, especially for the electrical property parameters of the liquid crystal display module such as voltage, current, frequency, power, short circuit and open circuit. Through the implementation of the electrical property test items, manufacturers can obtain parameters such as endpoint values, mean values and variances of the electrical properties of the liquid crystal display module, and these parameters are of great significance for the evaluation of the quality grade of the liquid crystal display module. During the process of conducting electrical property tests on the liquid crystal display module, in order to keep the liquid crystal display module in a stable state, it is often necessary to use a test jig of a certain specification for clamping assistance.
[0003] Currently, for liquid crystal display modules of different size specifications, the prior art usually uses a variety of size specifications of test jigs to be respectively applicable to the corresponding size specifications of liquid crystal display modules. By using this traditional clamping method to complete the electrical property test items of the liquid crystal display module, there are certain technical defects. For example, it is necessary to manufacture a variety of specifications of test jigs, and it takes a certain amount of time to match them before the test, which is not conducive to improving work efficiency and also increases the input cost of the test items on the test jig. In addition, some existing test jigs lack the necessary buffer structures, that is, the liquid crystal display module is directly clamped by components such as bars and blocks of the jig, which may cause certain damage to the liquid crystal display module by the jig. Summary of the Utility Model
[0004] In view of this, the purpose of the utility model is to provide an electrical property test jig for a liquid crystal display module, aiming to improve the efficiency of the test work and reduce the input cost of the test items on the test jig.
[0005] To achieve the above technical purposes, the utility model provides an electrical property test jig for a liquid crystal display module, which includes a jig base. A clamping groove is formed on the jig base. A fixed clamping bar is fixedly arranged on the edge at one end of the clamping groove. A sliding rail is arranged in the clamping groove and a movable clamping bar is slidably connected to the jig base through the sliding rail. Fixing holes are formed at the ends of the fixed clamping bar and the movable clamping bar away from the jig base, and fixing pieces are arranged on the fixing holes. Among them, the movable clamping bar and the fixed clamping bar can be locked through the fixing pieces.
[0006] The utility model is further arranged as follows: clamping grooves are formed on the opposite sides of the fixed clamping bar and the movable clamping bar.
[0007] The present utility model is further configured such that: a first buffer member is sleeved in the clamping groove.
[0008] The present utility model is further configured such that: a clamping platform is further provided in the clamping groove, and a second buffer member is provided on the clamping platform.
[0009] The present utility model is further configured such that: the fixing member includes a long bolt and an adjusting nut.
[0010] The present utility model is further configured such that: connection holes are provided at both ends of the fixture base.
[0011] The present utility model is further configured such that: the shape of the first buffer member is adapted to the shape of the clamping groove.
[0012] The present utility model is further configured such that: both the first buffer member and the second buffer member are made of rubber material.
[0013] The present utility model is further configured such that: the fixture base is made of stainless steel material.
[0014] The present utility model is further configured such that: both the fixed clamping strip and the movable clamping strip are made of aluminum alloy material.
[0015] In summary, compared with the prior art, the present utility model provides an electrical performance test fixture for a liquid crystal display module, having the following beneficial technical effects:
[0016] 1) Through the arrangement of components such as the fixed clamping strip, the movable clamping strip, and the slide rail, the use of multiple types of fixtures is effectively avoided, the working efficiency is improved, and the input cost of the liquid crystal display module test items on the fixture is reduced;
[0017] 2) Through the arrangement of the first buffer member and the second buffer member, the risk of damage to the liquid crystal display module during the clamping process is reduced, and the safety of the liquid crystal display module is improved. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] In order to more clearly illustrate the specific embodiments of the present utility model or the technical solutions in the prior art, the following will briefly introduce the drawings required for use in the description of the specific embodiments or the prior art. Obviously, the following drawings are some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.
[0019] Figure 1 Structural schematic diagram of an electrical performance test fixture (without fixing member) for a liquid crystal display module provided in this embodiment Figure 1 ;
[0020] Figure 2Structural schematic of an electrical performance test fixture for a liquid crystal display module provided in this embodiment Figure 2 ;
[0021] Figure 3 Structural schematic of an electrical performance test fixture (without fixing parts) for a liquid crystal display module provided in this embodiment Figure 3 。
[0022] Reference numerals: 1, fixture base; 2, card slot; 3, fixed clamping strip; 4, slide rail; 5, movable clamping strip; 6, fixing hole; 7, fixing part; 71, long bolt; 72, adjusting nut; 8, clamping groove; 9, first buffer member; 10, clamping platform; 11, second buffer member; 12, connecting hole. Detailed implementation manners
[0023] In order to make the objectives, technical solutions and advantages of the present utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.
[0024] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "front", "rear", "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present utility model. In addition, the terms "first", "second", and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.
[0025] In the description of the present utility model, it should be noted that unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can also be the communication inside two elements. It can be a wireless connection or a wired connection. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.
[0026] In addition, the technical features involved in different embodiments of the present utility model described above can be combined with each other as long as they do not conflict with each other.
[0027] An electrical performance test fixture for a liquid crystal display module, as Figures 1 to 3As shown in the figure, it includes a fixture base 1, a clamping groove 2 is provided on the fixture base 1, a fixed clamping strip 3 is fixedly arranged on the edge of one end of the clamping groove 2, a slide rail 4 is arranged in the clamping groove 2, and a movable clamping strip 5 slidably connected to the fixture base 1 through the slide rail 4. Fixed holes 6 are provided at one ends of the fixed clamping strip 3 and the movable clamping strip 5 away from the fixture base 1, and a fixing member 7 is arranged on the fixed holes 6; wherein, the movable clamping strip 5 and the fixed clamping strip 3 can be locked through the fixing member 7.
[0028] It should be noted that in the specific implementation process, through the cooperation of the movable clamping strip 5 and the fixed clamping strip 3, liquid crystal display modules with different size specifications (not shown in the drawings) can be clamped and fixed to test the electrical performance parameters such as voltage, current, frequency, power, short circuit, and open circuit of the liquid crystal display module, abandoning the traditional clamping and fixing method of using paired fixtures to clamp liquid crystal display modules with corresponding size specifications, effectively avoiding the use of multiple types of fixtures, which is beneficial to improving work efficiency and reducing the input cost of the liquid crystal display module test items on the fixtures.
[0029] It should be further noted that in the specific implementation process, the fixed clamping strip 3 can be fixedly arranged on the fixture base 1 by means of threaded connection, welding, integral forming, etc., and no specific limitation is made here.
[0030] In this embodiment, clamping grooves 8 are provided on the opposite sides of the fixed clamping strip 3 and the movable clamping strip 5.
[0031] It should be noted that in the specific implementation process, the setting of the clamping grooves 8 can effectively prevent the liquid crystal display module from detaching from the fixture during the clamping process, improving the stability of the liquid crystal display module during the electrical performance test.
[0032] It should be further noted that in some embodiments, in order to improve the stability of the liquid crystal display module during the electrical performance test, it is not limited to the method of providing clamping grooves 8 on the opposite sides of the fixed clamping strip 3 and the movable clamping strip 5. It can also be achieved by respectively providing reinforcing bolts, stabilizing claws, etc. on the fixed clamping strip 3 and the movable clamping strip 5, and no specific limitation is made here.
[0033] In this embodiment, a first buffer member 9 is sleeved in the clamping groove 8, and the shape of the first buffer member 9 is adapted to the shape of the clamping groove 8.
[0034] It should be noted that in the specific implementation process, by fixedly sleeving the first buffer member 9 in the clamping groove 8, the buffering performance of the movable clamping strip 5 and the fixed clamping strip 3 during the clamping of the liquid crystal display module can be increased, effectively avoiding the damage that the direct clamping (strong force, sharp edge) of the movable clamping strip 5 and the fixed clamping strip 3 may cause to the liquid crystal display module, and improving the reliability of the test work.
[0035] In this embodiment, a clamping platform 10 is further provided in the card slot 2, and a second buffer member 11 is provided on the clamping platform 10.
[0036] It should be noted that, in the specific implementation process, the clamping platform 10 is fixedly connected to the two side walls in the card slot 2 and is located above the slide rail 4, which can play a role in carrying the liquid crystal display module and at the same time keeping a certain longitudinal distance between the liquid crystal display module inserted into the card slot 2 and the slide rail 4. In addition, similar to the first buffer member 9, the second buffer member 11 can also play a role in protecting the liquid crystal display module.
[0037] In this embodiment, both the first buffer member 9 and the second buffer member 11 are made of rubber material.
[0038] It should be noted that, in some embodiments, the materials of the first buffer member 9 and the second buffer member 11 can be selectively set according to the actual situation, and it is better to be able to better protect the liquid crystal display module, and no specific limitation is made here.
[0039] In this embodiment, the fixing member 7 includes a long bolt 71 and an adjusting nut 72.
[0040] It should be noted that, in the specific implementation process, through the cooperation of the long bolt 71 and the adjusting nut 72, the distance between the movable clamping strip 5 and the fixed clamping strip 3 can be adjusted so that this fixture is applicable to liquid crystal display modules of different size specifications. In addition, through the cooperation of the long bolt 71 and the adjusting nut 72, the liquid crystal display module can be locked between the movable clamping strip 5 and the fixed clamping strip 3.
[0041] In this embodiment, connection holes 12 are opened at both ends of the fixture base 1.
[0042] It should be noted that, in the specific implementation process, through the connection holes 12 at both ends of the fixture base 1 and in cooperation with components such as bolts and nuts, this fixture can be stably installed on the machine / table / floor as a whole.
[0043] In this embodiment, the fixture base 1 is made of stainless steel material, and both the fixed clamping strip 3 and the movable clamping strip 5 are made of aluminum alloy material.
[0044] It should be noted that, in some embodiments, the fixture base 1, the fixed clamping strip 3 and the movable clamping strip 5 can also be made of other high-quality metal materials according to actual needs, and no specific limitation is made here.
[0045] The working principle or operation process of this embodiment:
[0046] First, move the movable clamping strip 5 to the side of the fixture base 1 away from the fixed clamping strip 3 through the slide rail 4; second, push the liquid crystal display module into the card slot 2 along the clamping groove 8 on the fixed clamping strip 3 until it abuts against the clamping platform 10; third, push the movable clamping strip 5 towards the liquid crystal display module through the slide rail 4 so that the liquid crystal display module is clamped into the clamping groove 8 of the movable clamping strip 5; finally, insert the fixing member 7 through the fixing hole 6 to lock the liquid crystal display module and complete the clamping.
[0047] In summary, compared with the prior art, this embodiment has the following technical effects:
[0048] 1) Through the arrangement of components such as the fixed clamping strip 3, the movable clamping strip 5 and the slide rail 4, the use of various types of fixtures is effectively avoided, the work efficiency is improved, and the input cost of the liquid crystal display module test item on the fixture is reduced;
[0049] 2) Through the arrangement of the first buffer member 9 and the second buffer member 11, the risk of damage to the liquid crystal display module during the clamping process is reduced, and the safety of the liquid crystal display module is improved.
[0050] Obviously, the above embodiments are only examples for clear illustration and are not limitations on the implementation manners. For those of ordinary skill in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to enumerate all the implementation manners here. And the obvious changes or modifications derived therefrom are still within the protection scope of the present invention.
Claims
1. A fixture for testing the electrical performance of a liquid crystal display module, comprising a fixture base (1), characterized in that: The clamp base (1) is provided with a slot (2), a fixed clamp strip (3) is fixedly arranged on the edge of one end of the slot (2), a slide rail (4) and a movable clamp strip (5) slidably connected to the clamp base (1) through the slide rail (4) are arranged in the slot (2), and a fixing hole (6) is arranged at one end of the fixed clamp strip (3) and the movable clamp strip (5) away from the clamp base (1), and a fixing piece (7) is arranged on the fixing hole (6); wherein the movable clamp strip (5) and the fixed clamp strip (3) can be locked by the fixing piece (7).
2. The liquid crystal display module electrical performance test fixture according to claim 1, characterized in that: A clamping groove (8) is provided on one side opposite to the fixed clamping strip (3) and the movable clamping strip (5).
3. The liquid crystal display module electrical performance test fixture as claimed in claim 2, characterized in that: A first buffer member (9) is sleeved in the clamping groove (8).
4. The liquid crystal display module electrical performance test fixture as claimed in claim 3, characterized in that: A card platform (10) is also provided in the card slot (2), and a second buffer member (11) is provided on the card platform (10).
5. The electrical performance test fixture for a liquid crystal display module according to any one of claims 1 to 3, characterized in that: The fixing member (7) comprises a long bolt (71) and an adjusting nut (72).
6. The electrical performance test fixture for a liquid crystal display module according to any one of claims 1 to 4, characterized in that: Connecting holes (12) are provided at both ends of the clamp base (1).
7. The liquid crystal display module electrical performance test fixture according to claim 3 or 4, characterized in that: The shape of the first buffer member (9) is adapted to the shape of the clamping groove (8).
8. The liquid crystal display module electrical performance test fixture as claimed in claim 4, characterized in that: The first buffer member (9) and the second buffer member (11) are both made of rubber material.
9. The liquid crystal display module electrical performance test fixture according to claim 1, characterized in that: The clamp base (1) is made of stainless steel.
10. The liquid crystal display module electrical performance test fixture according to claim 1 or 9, characterized in that: The fixed clamping strip (3) and the movable clamping strip (5) are both made of aluminum alloy material.