CN221529012U - Liquid crystal display brightness test fixture - Google Patents
Liquid crystal display brightness test fixture Download PDFInfo
- Publication number
- CN221529012U CN221529012U CN202323415394.0U CN202323415394U CN221529012U CN 221529012 U CN221529012 U CN 221529012U CN 202323415394 U CN202323415394 U CN 202323415394U CN 221529012 U CN221529012 U CN 221529012U
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- liquid crystal
- crystal display
- vertical plate
- test fixture
- mounting
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- 238000012360 testing method Methods 0.000 title claims abstract description 39
- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 36
- 239000000523 sample Substances 0.000 claims abstract description 11
- 230000000087 stabilizing effect Effects 0.000 claims description 13
- 230000003028 elevating effect Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims description 3
- 210000000078 claw Anatomy 0.000 abstract description 8
- 210000003781 tooth socket Anatomy 0.000 description 7
- 230000001360 synchronised effect Effects 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Liquid Crystal (AREA)
Abstract
The utility model relates to a liquid crystal display screen brightness testing tool, which is characterized in that a liquid crystal display screen is placed at a hook claw at the bottom of a vertical plate and drives the vertical plate to move downwards in a mounting plate, a supporting spring is compressed, a balance rod slides in a fixing seat, the vertical plate moves downwards to drive teeth in a tooth groove to push a gear to rotate, the hook claw on the side plate can clamp the liquid crystal display screen when the liquid crystal display screen is dismounted, only the vertical plate is required to be taken upwards, the supporting spring is used for moving upwards, a second motor is started to drive a second adjusting rod at an output end to rotate, so that a driving seat with a testing probe is controlled to slide and adjust in a lifting frame, the brightness test of the liquid crystal display screen in the horizontal direction is realized, a first motor is started to drive a first adjusting rod at the output end to rotate, the lifting frame is driven to adjust the height in the mounting frame, and no dead angle test in the vertical direction is realized by matching with an adjusting mechanism.
Description
Technical Field
The utility model relates to the technical field of liquid crystal display screen testing equipment, in particular to a liquid crystal display screen brightness testing tool.
Background
The liquid crystal display is a flat panel display, which is composed of small LED module panels, and a brightness testing device is needed in the production process of the liquid crystal display of equipment for displaying various information such as characters, images, videos and video signals.
The utility model relates to a brightness testing device (application number: 201920230093.5) applied to a display screen, which comprises a darkroom box body and a light measuring unit, wherein the darkroom box body comprises a placing surface wall for placing a display and a loading surface wall for loading the light measuring unit, a sinking table surface positioned at one end of the loading surface wall is arranged on the bottom surface of the darkroom box body, a sliding rail which is horizontally arranged and parallel to the loading surface wall is arranged on the sinking table surface, the light measuring unit comprises a light measuring instrument, a base which is arranged on the sliding rail in a sliding manner, and a lifting mechanism positioned between the light measuring instrument and the base. The design of the dark room box body ensures the light shading performance of dark room detection, has no influence of stray light and ensures the test precision. The whole design is ingenious, and the implementation, popularization and application are easy.
The above patent is not stable enough when testing the LCD, lacks to install and dismantle the operation fast to the LCD, leads to luminance test slower, consequently we need to provide an LCD luminance test fixture.
Disclosure of utility model
The utility model aims to provide a liquid crystal display screen brightness testing tool which solves the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a liquid crystal display brightness test fixture, includes the mounting bracket, the inside of mounting bracket is installed through elevating system and is gone up and down the frame, just the inside of going up and down the frame is installed test probe through adjustment mechanism, the internally mounted of mounting bracket has fixture;
The fixture comprises a mounting plate, a vertical plate, tooth sockets, gears, side groove bodies, side plates, racks and rebound components, wherein the vertical plate is arranged in the mounting plate in a sliding manner, the tooth sockets are formed in the vertical plate, the gears are meshed with the inside of the tooth sockets, the gears are rotatably arranged in the mounting plate, the side groove bodies used for sliding the two side plates are arranged in the mounting plate, the racks are meshed with the top and the bottom of the gears, the racks are fixedly arranged on the surfaces of the side plates, and the rebound components used for resetting the vertical plate are arranged in the mounting plate.
Preferably, the rebound assembly comprises a groove, a supporting spring, a balance rod and a fixing seat, the fixing seat is fixedly arranged in the mounting plate, the groove matched with the fixing seat is formed in the vertical plate, the balance rod is fixedly arranged at the top of the groove, the lower end of the balance rod penetrates through the bottom of the fixing seat and extends, the supporting spring is clamped between the top of the fixing seat and the inside of the groove, and the supporting spring is movably sleeved on the surface of the balance rod.
Preferably, the side tank body is internally and fixedly provided with two stabilizing blocks, and the side plate is internally provided with stabilizing grooves matched with the stabilizing blocks.
Preferably, two baffle strips are fixedly arranged in the side grooves, and the surfaces of the baffle strips are attached to the surfaces of the side plates.
Preferably, a protective cover plate is mounted on the front surface of the mounting plate.
Preferably, the adjusting mechanism comprises a second motor, a second adjusting rod and a driving seat, the second adjusting rod is rotatably arranged in the lifting frame, the surface of the second adjusting rod is in threaded installation with the inner part of the driving seat, and the test probe is arranged on the surface of the driving seat.
Preferably, the lifting mechanism comprises a sliding groove, a first motor and a first adjusting rod, two sliding grooves used for sliding the lifting frame are formed in the mounting frame, the first adjusting rod is rotatably arranged in the sliding grooves, and the first motor is arranged at the upper ends of the first adjusting rods.
Compared with the prior art, the utility model has the beneficial effects that:
According to the utility model, the liquid crystal display screen is placed at the claw at the bottom of the vertical plate and drives the vertical plate to move downwards in the mounting plate, the supporting spring is compressed, the balance rod slides in the fixing seat, the vertical plate moves downwards to drive the tooth parts in the tooth grooves to push the gears to rotate, the two racks at the top and the bottom are driven to move together by the rotation of the gears, the two side plates are close to each other, the claw on the side plates can clamp the liquid crystal display screen, when the liquid crystal display screen is disassembled, the vertical plate is only required to be taken upwards, the supporting spring moves upwards, the second motor is started to drive the second adjusting rod at the output end to rotate, so that the driving seat with the test probe is controlled to slide and adjust in the lifting frame, the brightness test of the liquid crystal display screen in the horizontal direction is realized, the two first motors are synchronous motors are started to drive the first adjusting rods at the output end to rotate, so that the lifting frame is driven to adjust the height in the mounting frame, the vertical direction of the liquid crystal display screen is detected, and no dead angle test is realized by matching with the adjusting mechanism.
Drawings
FIG. 1 is a schematic perspective view of the structure of the present utility model;
FIG. 2 is an exploded view of the structure of the present utility model;
FIG. 3 is a perspective view of an adjustment mechanism of the present utility model;
fig. 4 is a perspective view of the clamping mechanism of the present utility model.
In the figure: 1. a mounting frame; 2. a lifting mechanism; 21. a chute; 22. a first motor; 23. a first adjusting lever; 3. a lifting frame; 4. an adjusting mechanism; 42. a second motor; 43. a second adjusting lever; 41. a driving seat; 5. a test probe; 6. a clamping mechanism; 61. a mounting plate; 62. a vertical plate; 63. tooth sockets; 64. a gear; 65. a side groove body; 66. a side plate; 67. a rack; 68. a rebound assembly; 681. a groove; 682. a support spring; 683. a balance bar; 684. a fixing seat; 7. a stabilizing block; 8. a stabilizing groove; 9. baffle strips; 10. and protecting the cover plate.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a liquid crystal display brightness test fixture, includes mounting bracket 1, and lifting frame 3 is installed through elevating system 2 to the inside of mounting bracket 1, and test probe 5 is installed through adjustment mechanism 4 to the inside of lifting frame 3, and fixture 6 is installed to the inside of mounting bracket 1;
The fixture 6 includes mounting panel 61, riser 62, tooth socket 63, gear 64, side channel 65, curb plate 66, rack 67 and rebound subassembly 68, riser 62 is installed to the inside slidable mounting of mounting panel 61, tooth socket 63 has been seted up to the inside of riser 62, the inside meshing of tooth socket 63 has gear 64, gear 64 rotates the inside of installing panel 61, and the inside of installing panel 61 has been seted up and has been used for two gliding side channel 65 of curb plate 66, the top and the bottom of gear 64 all mesh has rack 67, rack 67 fixed mounting is on the surface of curb plate 66, and the internally mounted of mounting panel 61 has the rebound subassembly 68 that is used for riser 62 to reset.
The rebound assembly 68 comprises a groove 681, a supporting spring 682, a balance rod 683 and a fixed seat 684, the fixed seat 684 is fixedly arranged in the mounting plate 61, a groove 681 matched with the fixed seat 684 is formed in the vertical plate 62, the balance rod 683 is fixedly arranged at the top of the groove 681, the lower end of the balance rod 683 penetrates through the bottom of the fixed seat 684 and extends, the supporting spring 682 is clamped between the top of the fixed seat 684 and the inside of the groove 681, and the supporting spring 682 is movably sleeved on the surface of the balance rod 683;
In this embodiment, the liquid crystal display is placed at the hook claw at the bottom of the vertical plate 62 and drives the vertical plate 62 to move downwards in the mounting plate 61, the supporting spring 682 is compressed, the balance rod 683 slides in the fixing seat 684, the vertical plate 62 moves downwards to drive the tooth part in the tooth groove 63 to push the gear 64 to rotate, the gear 64 rotates to drive the top and the two racks 67 at the bottom to move together, the two side plates 66 are close to each other, the hook claw on the side plates 66 can clamp the liquid crystal display, and when the liquid crystal display is disassembled, the vertical plate 62 is only required to be taken upwards by the supporting spring 682.
Two stabilizing blocks 7 are fixedly arranged in the side groove body 65, and stabilizing grooves 8 matched with the stabilizing blocks 7 are formed in the side plates 66;
Specifically, when the side plate 66 is moved, the internal stabilizing groove 8 slides on the stabilizing block 7 on the surface of the mounting frame 1, so that stability is enhanced for the movement of the side plate 66.
Two baffle strips 9 are fixedly arranged in the side grooves, and the surfaces of the baffle strips 9 are attached to the surfaces of the side plates 66;
the provision of the baffle strip 9 further enhances the guiding effect on the movement of the side plate 66.
In order to provide a good protection for the back of the liquid crystal display, the front of the mounting plate 61 is mounted with a protective cover plate 10.
The adjusting mechanism 4 comprises a second motor 42, a second adjusting rod 43 and a driving seat 41, the second adjusting rod 43 is rotatably arranged in the lifting frame 3, the surface of the second adjusting rod 43 is in threaded installation with the inside of the driving seat 41, and the test probe 5 is arranged on the surface of the driving seat 41;
It is noted that the second motor 42 is started to drive the second adjusting rod 43 at the output end to rotate, so as to control the driving seat 41 with the test probe 5 to slide and adjust in the lifting frame 3, thereby realizing the brightness test of the liquid crystal display screen in the horizontal direction.
The lifting mechanism 2 comprises a sliding groove 21, a first motor 22 and a first adjusting rod 23, two sliding grooves 21 for sliding the lifting frame 3 are formed in the mounting frame 1, the first adjusting rod 23 is rotatably arranged in the two sliding grooves 21, and the first motor 22 is arranged at the upper ends of the two first adjusting rods 23;
Further, the two first motors 22 are synchronous motors, and the first motors 22 are started to drive the first adjusting rods 23 at the output ends to rotate, so that the lifting frame 3 is driven to be adjusted in the height in the mounting frame 1, the vertical direction of the liquid crystal display is detected, and no dead angle test in the vertical direction is realized by matching with the adjusting mechanism 4.
The device puts the liquid crystal display at the claw of the bottom of the vertical plate 62 and drives the vertical plate 62 to move downwards in the mounting plate 61, the supporting spring 682 is compressed, the balance rod 683 slides in the fixing seat 684, the vertical plate 62 moves downwards to drive the tooth parts in the tooth grooves 63 to push the gear 64 to rotate, the gear 64 rotates to drive the top and the two racks 67 at the bottom to move together, the two side plates 66 are close to each other, the claw on the side plates 66 can clamp the liquid crystal display, when the liquid crystal display is dismounted, only the vertical plate 62 is required to be taken upwards by the supporting spring 682, the second motor 42 is started to drive the second adjusting rod 43 at the output end to rotate, so that the driving seat 41 with the test probe 5 is controlled to slide and adjust in the lifting frame 3, the liquid crystal display brightness test in the horizontal direction is realized, the two first motors 22 are synchronous motors, the first adjusting rods 23 at the output end are started to drive the lifting frame 3 to adjust the height in the mounting frame 1, the vertical direction of the liquid crystal display is detected, and no dead angle is realized by matching with the adjusting mechanism 4.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a liquid crystal display luminance test fixture, includes mounting bracket (1), its characterized in that: the inside of the mounting frame (1) is provided with a lifting frame (3) through a lifting mechanism (2), the inside of the lifting frame (3) is provided with a test probe (5) through an adjusting mechanism (4), and the inside of the mounting frame (1) is provided with a clamping mechanism (6);
The clamping mechanism (6) comprises a mounting plate (61), a vertical plate (62), tooth grooves (63), gears (64), side groove bodies (65), side plates (66), racks (67) and rebound components (68), wherein the vertical plate (62) is installed in a sliding mode in the mounting plate (61), the tooth grooves (63) are formed in the vertical plate (62), the gears (64) are meshed in the tooth grooves (63), the gears (64) are rotatably installed in the mounting plate (61), the side groove bodies (65) used for sliding of the two side plates (66) are formed in the mounting plate (61), the racks (67) are meshed with the top and the bottom of each of the gears (64), the racks (67) are fixedly installed on the surfaces of the side plates (66), and the rebound components (68) used for resetting the vertical plate (62) are installed in the mounting plate (61).
2. The liquid crystal display brightness test fixture of claim 1, wherein: the rebound assembly (68) comprises a groove (681), a supporting spring (682), a balance rod (683) and a fixed seat (684), the fixed seat (684) is fixedly arranged in the mounting plate (61), the groove (681) matched with the fixed seat (684) is formed in the vertical plate (62), the balance rod (683) is fixedly arranged at the top of the groove (681), the lower end of the balance rod (683) penetrates through the bottom of the fixed seat (684) and extends, the supporting spring (682) is clamped between the top of the fixed seat (684) and the inside of the groove (681), and the supporting spring (682) is movably sleeved on the surface of the balance rod (683).
3. The liquid crystal display brightness test fixture of claim 1, wherein: two stabilizing blocks (7) are fixedly arranged in the side groove body (65), and stabilizing grooves (8) matched with the stabilizing blocks (7) are formed in the side plates (66).
4. A liquid crystal display brightness test fixture according to claim 3, wherein: two baffle strips (9) are fixedly arranged in the side grooves, and the surfaces of the baffle strips (9) are attached to the surfaces of the side plates (66).
5. The liquid crystal display brightness test fixture of claim 1, wherein: the front surface of the mounting plate (61) is provided with a protective cover plate (10).
6. The liquid crystal display brightness test fixture of claim 1, wherein: the adjusting mechanism (4) comprises a second motor (42), a second adjusting rod (43) and a driving seat (41), the second adjusting rod (43) is rotatably arranged in the lifting frame (3), the surface of the second adjusting rod (43) is in threaded installation with the inside of the driving seat (41), and the test probe (5) is arranged on the surface of the driving seat (41).
7. The lcd screen brightness test fixture of claim 6, wherein: elevating system (2) are including spout (21), first motor (22) and first regulation pole (23), two spouts (21) that are used for lifting frame (3) gliding are seted up to the inside of mounting bracket (1), two the inside of spout (21) is all rotated and is installed first regulation pole (23), two first motor (22) are all installed to the upper end of first regulation pole (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323415394.0U CN221529012U (en) | 2023-12-14 | 2023-12-14 | Liquid crystal display brightness test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323415394.0U CN221529012U (en) | 2023-12-14 | 2023-12-14 | Liquid crystal display brightness test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221529012U true CN221529012U (en) | 2024-08-13 |
Family
ID=92199191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323415394.0U Active CN221529012U (en) | 2023-12-14 | 2023-12-14 | Liquid crystal display brightness test fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221529012U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119688256A (en) * | 2024-12-17 | 2025-03-25 | 深圳市英喆科技有限公司 | A rapid detection device for liquid crystal display |
-
2023
- 2023-12-14 CN CN202323415394.0U patent/CN221529012U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119688256A (en) * | 2024-12-17 | 2025-03-25 | 深圳市英喆科技有限公司 | A rapid detection device for liquid crystal display |
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