CN216210307U - Liquid crystal display's light leak sensitivity test equipment - Google Patents
Liquid crystal display's light leak sensitivity test equipment Download PDFInfo
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- CN216210307U CN216210307U CN202122341612.5U CN202122341612U CN216210307U CN 216210307 U CN216210307 U CN 216210307U CN 202122341612 U CN202122341612 U CN 202122341612U CN 216210307 U CN216210307 U CN 216210307U
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Abstract
The utility model belongs to the technical field of light leakage testing of liquid crystal displays, in particular to light leakage sensitivity testing equipment of a liquid crystal display, aiming at the problem that the existing instrument still needs to be manually held to carry out detection gradually along the corner, and the labor intensity is increased, the utility model provides a scheme which comprises a detection table, a detection camera and a control terminal, wherein a vertical plate and a lifting mechanism are installed at the top of the detection table, the detection camera is connected with the lifting mechanism, a motor is installed at the left side of the vertical plate, a rotary rod is connected onto an output shaft of the motor, the rotary rod is rotationally connected with the vertical plate, a supporting plate is connected onto the rotary rod, a power supply assembly is arranged on the supporting plate, an open slot is formed in the right side of the supporting plate, a bidirectional screw rod is rotatably installed in the open slot, and the directions of threads at two ends of the bidirectional screw rod are opposite. The light leakage detection device is simple in structure, can be used for quickly detecting light leakage, avoids the handheld operation of workers and reduces the labor intensity.
Description
Technical Field
The utility model relates to the technical field of light leakage testing of liquid crystal display screens, in particular to light leakage sensitivity testing equipment of a liquid crystal display screen.
Background
In the production process of the liquid crystal display screen, because of the problems of high light leakage brightness, wide range and poor sensitivity of yellow color when being subjected to external force, the module is easy to generate light leakage; in addition, the LED lamp has the problems of installation errors and the like, and the display screen also has the light leakage phenomenon in the working process, so that the quality of the display screen is reduced. In order to improve the qualification rate of the display screen which leaves the factory, the light leakage sensitivity detection needs to be carried out on the display screen which is produced completely. Among the prior art, can observe through the eye and detect, also can use the instrument to detect, the instrument detects the camera for the light leak, and its principle is: the light transmission amount of the monitoring camera is related to the infrared reflection, in principle, infrared light emitted by the infrared camera does not directly enter the camera, but is reflected into the camera through an irradiated object, so that the infrared light reaches the watching effect, if light leakage irradiates into the monitoring camera, more interference can be generated, then the interference is transmitted to the control terminal, and the control terminal gives an alarm for reminding.
However, the existing instrument still needs to be manually held to gradually move along corners for detection, so that the labor intensity is increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defect that the detection of the existing instrument still needs to be manually held to gradually move along corners, so that the labor intensity is increased, and provides light leakage sensitivity test equipment for a liquid crystal display screen.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a liquid crystal display screen light leakage sensitivity test device comprises a test table, a test camera and a control terminal, wherein a vertical plate and a lifting mechanism are installed at the top of the test table, the test camera is connected with the lifting mechanism, a motor is installed on the left side of the vertical plate, a rotary rod is connected on an output shaft of the motor and is rotatably connected with the vertical plate, a support plate is connected on the rotary rod, a power supply assembly is arranged on the support plate, an open slot is formed in the right side of the support plate, a bidirectional screw rod is rotatably installed in the open slot, the directions of threads at two ends of the bidirectional screw rod are opposite, two pushing blocks are in threaded connection with the outer side of the bidirectional screw rod, fixed plates are fixedly installed on the outer sides of the two pushing blocks, the fixed plates are of a U-shaped structure, the same display screen is installed between the two fixed plates, a support block is fixedly installed in the open slot and is in contact with the rear side of the display screen, and the bidirectional screw rod is rotatably installed on the support block, a servo motor is installed at the top of the supporting plate, and an output shaft of the servo motor is connected with the top end of the bidirectional screw rod.
Preferably, elevating system includes a support section of thick bamboo, locking bolt and bracing piece, and a support section of thick bamboo is installed at the top of examining the test table, and bracing piece slidable mounting is in a support section of thick bamboo, and locking bolt threaded connection is in the outside of a support section of thick bamboo, and the end of locking bolt extends to in a support section of thick bamboo and contacts with the bracing piece, and the bracing piece links to each other with the detection camera.
Preferably, the power supply assembly comprises a lithium battery and a threaded cover, a battery jar is arranged on the rear side of the supporting plate, threads are formed in the inner wall of the battery jar, the lithium battery is located in the battery jar, and the threaded cover is in threaded connection with the inner wall of the battery jar.
Preferably, the rear side of the supporting plate is fixedly provided with an annular block, the right side of the vertical plate is provided with an annular groove, and the annular block is in sliding connection with the inner wall of the annular groove.
Compared with the prior art, the utility model has the advantages that:
according to the scheme, the servo motor drives the bidirectional screw rod to rotate, the bidirectional screw rod drives the two pushing blocks to approach each other, the two pushing blocks drive the two fixing plates to approach each other to clamp and fix the display screen, and the display screen can be fixed quickly;
according to the scheme, the locking bolt is loosened, the height of the supporting rod is adjusted, and then the height of the detection camera is adjusted, so that the corner detection of the display screen is met;
this scheme passes through the motor and passes through the rotary rod and drive the backup pad rotatory, the backup pad drives the display screen rotatory for it can carry out the light leak to four limits of display screen and detect to detect the camera, it can the automatic adjustment focus to detect the camera, after the light leak condition appears, it gives control terminal with signal transmission to detect the camera, control terminal shows and the suggestion is reported to the police, can be quick detect, avoid staff handheld operation, reduced intensity of labour.
The light leakage detection device is simple in structure, can be used for quickly detecting light leakage, avoids the handheld operation of workers and reduces the labor intensity.
Drawings
FIG. 1 is a schematic structural diagram of a light leakage sensitivity testing apparatus for a liquid crystal display panel according to the present invention;
FIG. 2 is a schematic diagram of a portion of the side view structure of FIG. 1;
FIG. 3 is an enlarged view of part A of FIG. 1;
fig. 4 is an exploded view of a vertical plate and a ring block according to the present invention.
In the figure: 1. a detection table; 2. a vertical plate; 3. a motor; 4. a display screen; 5. rotating the rod; 6. a support plate; 7. a fixing plate; 8. a servo motor; 9. an open slot; 10. pushing the block; 11. a bidirectional screw rod; 12. a battery case; 13. a lithium battery; 14. a threaded cap; 15. an annular groove; 16. a ring block; 17. a support cylinder; 18. locking the bolt; 19. a support bar; 20. a U-shaped frame; 21. detecting a camera; 22. a control terminal; 23. a non-slip mat; 24. and (7) a supporting block.
Detailed Description
The technical solutions in the embodiments will be described clearly and completely with reference to the drawings in the embodiments, and it is obvious that the described embodiments are only a part of the embodiments, but not all embodiments.
Example one
Referring to fig. 1-4, a light leakage sensitivity testing device of a liquid crystal display screen, comprising a detection table 1, a detection camera 21 and a control terminal 22, wherein a vertical plate 2 and a lifting mechanism are installed at the top of the detection table 1, the detection camera 21 is connected with the lifting mechanism, a motor 3 is installed at the left side of the vertical plate 2, a rotary rod 5 is connected on an output shaft of the motor 3, the rotary rod 5 is rotatably connected with the vertical plate 2, a support plate 6 is connected on the rotary rod 5, a power supply assembly is arranged on the support plate 6, an open slot 9 is formed at the right side of the support plate 6, a bidirectional screw rod 11 is rotatably installed in the open slot 9, the directions of threads at two ends of the bidirectional screw rod 11 are opposite, two pushing blocks 10 are in threaded connection with the outer side of the bidirectional screw rod 11, fixed plates 7 are fixedly installed at the outer sides of the two pushing blocks 10, the fixed plates 7 are of a U-shaped structure, the same display screen 4 is installed between the two fixed plates 7, a supporting block 24 is fixedly arranged in the open slot 9, the supporting block 24 is contacted with the rear side of the display screen 4, the bidirectional screw rod 11 is rotatably arranged on the supporting block 24, the servo motor 8 is arranged at the top of the supporting plate 6, and an output shaft of the servo motor 8 is connected with the top end of the bidirectional screw rod 11.
In the embodiment, the lifting mechanism comprises a supporting cylinder 17, a locking bolt 18 and a supporting rod 19, the supporting cylinder 17 is installed at the top of the detection table 1, the supporting rod 19 is installed in the supporting cylinder 17 in a sliding manner, the locking bolt 18 is connected to the outer side of the supporting cylinder 17 in a threaded manner, the end head of the locking bolt 18 extends into the supporting cylinder 17 and is in contact with the supporting rod 19, and the supporting rod 19 is connected with the detection camera 21; the locking bolt 18 is loosened, the height of the supporting rod 19 is adjusted, the height of the detection camera 21 is further adjusted, and corner detection of the display screen 4 is met.
In this embodiment, the power supply assembly includes a lithium battery 13 and a threaded cover 14, a battery jar 12 is provided on the rear side of the support plate 6, a thread is provided on the inner wall of the battery jar 12, the lithium battery 13 is located in the battery jar 12, and the threaded cover 14 is in threaded connection with the inner wall of the battery jar 12; the lithium battery 13 provides electric energy for the servo motor 8, and the lithium battery 13 can be detached and replaced.
In the embodiment, the rear side of the supporting plate 6 is fixedly provided with an annular block 16, the right side of the vertical plate 2 is provided with an annular groove 15, and the annular block 16 is in sliding connection with the inner wall of the annular groove 15; the annular block 16 cooperates with the annular groove 15 to support the support plate 6.
In the embodiment, when the device is used, the detection camera 21 is connected with the control terminal 22, the display screen 4 is placed between the two fixing plates 7, the servo motor 8 is started, the servo motor 8 drives the two-way screw rod 11 to rotate, the two-way screw rod 11 drives the two pushing blocks 10 to approach each other, the two pushing blocks 10 drive the two fixing plates 7 to approach each other to clamp and fix the display screen 4, the display screen 4 can be quickly fixed, the locking bolt 18 is loosened, the height of the supporting rod 19 is adjusted, the height of the detection camera 21 is further adjusted, corner detection of the display screen 4 is met, the motor 3 is started, the motor 3 drives the supporting plate 6 to rotate through the rotating rod 5, the supporting plate 6 drives the display screen 4 to rotate, the detection camera 21 can detect light leakage of four sides of the display screen 4, the focus of the detection camera 21 can be automatically adjusted, when a light leakage condition occurs, the detection camera 21 sends a signal to the control terminal 22, the control terminal 22 displays and prompts an alarm, can quickly detect, avoids the handheld operation of workers, reduces the labor intensity, reversely starts the servo motor 8, and can take down the display screen 4 when the two fixing plates 7 are far away from each other.
Example two
Referring to fig. 1-4, a light leakage sensitivity testing device of a liquid crystal display screen, comprising a detection table 1, a detection camera 21 and a control terminal 22, wherein a vertical plate 2 and a lifting mechanism are installed at the top of the detection table 1, the detection camera 21 is connected with the lifting mechanism, a motor 3 is installed at the left side of the vertical plate 2, a rotary rod 5 is connected on an output shaft of the motor 3, the rotary rod 5 is rotatably connected with the vertical plate 2, a support plate 6 is connected on the rotary rod 5, a power supply assembly is arranged on the support plate 6, an open slot 9 is formed at the right side of the support plate 6, a bidirectional screw rod 11 is rotatably installed in the open slot 9, the directions of threads at two ends of the bidirectional screw rod 11 are opposite, two pushing blocks 10 are in threaded connection with the outer side of the bidirectional screw rod 11, fixed plates 7 are fixedly installed at the outer sides of the two pushing blocks 10, the fixed plates 7 are of a U-shaped structure, the same display screen 4 is installed between the two fixed plates 7, a supporting block 24 is fixedly arranged in the open slot 9, the supporting block 24 is contacted with the rear side of the display screen 4, the bidirectional screw rod 11 is rotatably arranged on the supporting block 24, the servo motor 8 is arranged at the top of the supporting plate 6, and an output shaft of the servo motor 8 is connected with the top end of the bidirectional screw rod 11.
In the embodiment, the lifting mechanism comprises a supporting cylinder 17, a locking bolt 18 and a supporting rod 19, the supporting cylinder 17 is installed at the top of the detection table 1, the supporting rod 19 is installed in the supporting cylinder 17 in a sliding manner, the locking bolt 18 is connected to the outer side of the supporting cylinder 17 in a threaded manner, the end head of the locking bolt 18 extends into the supporting cylinder 17 and is in contact with the supporting rod 19, and the supporting rod 19 is connected with the detection camera 21; the locking bolt 18 is loosened, the height of the supporting rod 19 is adjusted, the height of the detection camera 21 is further adjusted, and corner detection of the display screen 4 is met.
In this embodiment, the power supply assembly includes a lithium battery 13 and a threaded cover 14, a battery jar 12 is provided on the rear side of the support plate 6, a thread is provided on the inner wall of the battery jar 12, the lithium battery 13 is located in the battery jar 12, and the threaded cover 14 is in threaded connection with the inner wall of the battery jar 12; the lithium battery 13 provides electric energy for the servo motor 8, and the lithium battery 13 can be detached and replaced.
In the embodiment, the rear side of the supporting plate 6 is fixedly provided with an annular block 16, the right side of the vertical plate 2 is provided with an annular groove 15, and the annular block 16 is in sliding connection with the inner wall of the annular groove 15; the annular block 16 cooperates with the annular groove 15 to support the support plate 6.
In this embodiment, a U-shaped frame 20 is fixedly mounted at the top end of the support rod 19, the detection camera 21 is rotatably connected to the inner side of the U-shaped frame 20, a screw is connected to the outer side of the U-shaped frame 20 through a thread, and the end of the screw extends into the U-shaped frame 20 and abuts against the detection camera 21.
In this embodiment, the inner side of the fixing plate 7 is provided with a non-slip pad 23, and the non-slip pad 23 is connected with the display screen 4 in a friction manner.
The difference between the second embodiment and the first embodiment is that: the U type frame 20 that sets up can lock detection camera 21 through the screw, when loosening the screw, can adjust the shooting angle that detects camera 21, and the slipmat 23 of setting can increase the frictional force of fixed plate 7 and display screen 4, is convenient for fix display screen 4, and all structures in this application all can carry out the selection of material and length according to the in-service use condition, and the drawing is the schematic structure picture, and proper adjustment can be made to specific actual size.
The above descriptions are only preferred embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to, replaced or changed.
Claims (5)
1. The utility model provides a liquid crystal display's light leak sensitivity test equipment, including detecting platform (1), detect camera (21) and control terminal (22), a serial communication port, vertical plate (2) and elevating system are installed to the top of detecting platform (1), it links to each other with elevating system to detect camera (21), motor (3) are installed in the left side of vertical plate (2), be connected with rotary rod (5) on the output shaft of motor (3), rotary rod (5) rotate with vertical plate (2) and are connected, be connected with backup pad (6) on rotary rod (5), be provided with power supply module on backup pad (6), open slot (9) have been seted up on the right side of backup pad (6), two-way lead screw (11) have been installed to the open slot (9) internal rotation, the both ends screw thread opposite direction of two-way lead screw (11), the outside threaded connection of two-way lead screw (11) has two to push away piece (10), the outer sides of the two pushing blocks (10) are fixedly provided with fixing plates (7), the fixing plates (7) are of U-shaped structures, the same display screen (4) is installed between the two fixing plates (7), the top of the supporting plate (6) is provided with a servo motor (8), and the output shaft of the servo motor (8) is connected with the top end of the bidirectional screw rod (11).
2. The light leakage sensitivity test equipment of the liquid crystal display screen according to claim 1, wherein the lifting mechanism comprises a support cylinder (17), a locking bolt (18) and a support rod (19), the support cylinder (17) is installed at the top of the test table (1), the support rod (19) is slidably installed in the support cylinder (17), the locking bolt (18) is in threaded connection with the outer side of the support cylinder (17), the end of the locking bolt (18) extends into the support cylinder (17) and is in contact with the support rod (19), and the support rod (19) is connected with the test camera (21).
3. The apparatus for testing light leakage sensitivity of a liquid crystal display panel according to claim 1, wherein the power supply module comprises a lithium battery (13) and a screw cap (14), a battery container (12) is provided at the rear side of the support plate (6), the inner wall of the battery container (12) is threaded, the lithium battery (13) is located in the battery container (12), and the screw cap (14) is in threaded connection with the inner wall of the battery container (12).
4. The apparatus for testing light leakage sensitivity of a liquid crystal display screen according to claim 1, wherein a ring block (16) is fixedly installed at the rear side of the supporting plate (6), a ring groove (15) is opened at the right side of the vertical plate (2), and the ring block (16) is slidably connected with the inner wall of the ring groove (15).
5. The apparatus for testing light leakage sensitivity of a liquid crystal display panel according to claim 1, wherein a supporting block (24) is fixedly installed in the opening groove (9), the supporting block (24) is in contact with the rear side of the display panel (4), and the bidirectional screw rod (11) is rotatably installed on the supporting block (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122341612.5U CN216210307U (en) | 2021-09-27 | 2021-09-27 | Liquid crystal display's light leak sensitivity test equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122341612.5U CN216210307U (en) | 2021-09-27 | 2021-09-27 | Liquid crystal display's light leak sensitivity test equipment |
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| Publication Number | Publication Date |
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| CN216210307U true CN216210307U (en) | 2022-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122341612.5U Active CN216210307U (en) | 2021-09-27 | 2021-09-27 | Liquid crystal display's light leak sensitivity test equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116559577A (en) * | 2023-07-11 | 2023-08-08 | 深圳市康凌源科技有限公司 | Mobile phone display screen conductivity testing device |
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2021
- 2021-09-27 CN CN202122341612.5U patent/CN216210307U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116559577A (en) * | 2023-07-11 | 2023-08-08 | 深圳市康凌源科技有限公司 | Mobile phone display screen conductivity testing device |
| CN116559577B (en) * | 2023-07-11 | 2023-09-29 | 深圳市康凌源科技有限公司 | Mobile phone display screen conductivity testing device |
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