Display screen bad pixel detection device

Abstract

The present application relates to a device for detecting bad pixels on a display screen, which includes a frame, a guide rail, a sliding seat and a chain transmission mechanism, wherein the guide rail is mounted on the frame, the sliding seat is slidably connected to the guide rail, and the chain transmission mechanism is mounted on the frame to drive the sliding seat to slide. The device is characterized in that it also includes a protective mechanism, an adjusting mechanism and a detecting mechanism, wherein a display screen body is placed on the protective mechanism, the protective mechanism is mounted on the sliding seat, the adjusting mechanism is mounted on the sliding seat to adjust the placement angle of the display screen body, and the detecting mechanism includes a power-on component and a power supply component, wherein the power-on component is mounted on the sliding seat and is electrically connected to the display screen body, and the power supply component is mounted on the guide rail to cooperate with the sliding seat during sliding to periodically supply power to the power-on component and indirectly periodically supply power to the display screen body. The present application has the effect of improving detection efficiency and facilitating detection personnel to detect bad pixels on the display screen.

Description

Technical Field

[0001] The present application relates to the technical field of display screen detection, and in particular to a display screen bad pixel detection device. Background Art

[0002] At present, in the current media era, the application of LED display screens is becoming more and more extensive. It can be seen in financial securities, sports events, traffic information, advertising, film and television entertainment and other places. The LED display screen itself has the advantages of low power consumption, long life, large viewing angle and fast response speed, and the corresponding size of the display screen device can be customized according to different locations and needs. In view of this, more and more businesses are increasingly favoring the use of outdoor advertising screens to publish their product information. Major cities have set up different types of outdoor LED display screens to provide various information to the general public. LED display screens realize the display of pictures through the coordinated work of hundreds of thousands, millions or even tens of millions of LEDs. Outdoor LED screens are also developing in the direction of high density and high resolution. In view of this, this puts forward extremely high requirements for the detection of faulty pixels (ie, bad pixels) of LED display screens. The current detection method is manual detection, that is, the method of observation with the naked eye. First, the display screen is powered on and the entire screen is set to monochrome for easy identification. Then, it is identified by the naked eye and checked one by one. Pixels with dim brightness or inconsistent colors are bad pixels.

[0003] At present, in some production workshops, in order to improve production efficiency, LED display production lines are usually installed. The LED display production line includes a frame, a guide rail, a sliding seat, and a chain transmission mechanism for driving the sliding seat to slide. The frame is installed on the ground, the guide rail is installed horizontally on the frame, the sliding seat is slidably connected to the guide rail, and the chain transmission mechanism is installed on the frame to drive the sliding seat to slide. The single LED display screen is equidistant and placed on the sliding seat, and moves with the movement of the sliding seat. When working, the motor can drive the chain transmission mechanism to rotate. At this time, the chain transmission mechanism drives the sliding seat and the display screen on the sliding seat to move. When the display screen is transmitted to the inspector, the inspector supplies power to the display screen to realize the test, so as to find the bad point.

[0004] With respect to the above-mentioned related technologies, the inventors believe that there are defects such as inconvenient detection and low detection accuracy. Summary of the invention

[0005] In order to improve the detection accuracy and facilitate detection personnel to detect bad pixels on a display screen, the present application provides a bad pixel detection device for a display screen.

[0006] The present application provides a display screen bad pixel detection device that adopts the following technical solution:

[0007] A display screen bad pixel detection device comprises a frame, a guide rail, a sliding seat and a chain transmission mechanism, wherein the guide rail is mounted on the frame, the sliding seat is slidably connected to the guide rail, and the chain transmission mechanism is mounted on the frame to drive the sliding seat to slide. The device is characterized in that it also comprises a protective mechanism, an adjustment mechanism and a detection mechanism, a display screen body is placed on the protective mechanism, the protective mechanism is mounted on the sliding seat, the adjustment mechanism is mounted on the sliding seat and is used to adjust the placement angle of the display screen body, the detection mechanism comprises a power-on component and a power supply component, the power-on component is mounted on the sliding seat and is electrically connected to the display screen body, and the power supply component is mounted on the guide rail to cooperate with the sliding seat during sliding to periodically supply power to the power-on component and indirectly periodically supply power to the display screen body.

[0008] By adopting the above technical solution, the power-on component is convenient for supplying power to the display screen body. For this reason, it is convenient for inspectors to inspect the display screen body. When the sliding seat slides, the display screen body follows the sliding. At this time, the power supply component periodically supplies power to the power-on component, which indirectly causes the power-on component to periodically supply power to the display screen body. In this way, the display screen body on the production line can be inspected multiple times, thereby improving the detection accuracy.

[0009] The existence of the protective mechanism can protect the display screen body, and even if the display screen body is placed, it can also protect the display screen body. The set adjustment mechanism is convenient for adjusting the position of the display screen body. In view of this, it is convenient to adjust the position of the display screen body according to actual needs, so as to facilitate the detection work of the detection personnel. In this way, the efficiency and accuracy of detecting bad points on the display screen body can be improved, and it can also be convenient for the detection personnel to detect the bad points on the display screen body, simplifying the workload of the detection personnel.

[0010] Preferably, the protective mechanism comprises a flexible component and a protective component, the flexible component is mounted on a sliding seat for carrying a display screen body, the protective component is mounted on both sides of the carrying component, and the display screen body is placed on a flexible component carrying surface between the protective components.

[0011] By adopting the above technical solution, the flexible component and the protective component cooperate with each other, which can improve the protection of the display screen body, thereby making the display screen body less susceptible to bumps and increasing its service life.

[0012] Preferably, the flexible component includes a first flexible board, a second flexible board and a third flexible board, the first flexible board is horizontally mounted on a sliding seat, the second flexible board and the third flexible board are symmetrically mounted on the sliding seat and are integrally connected to the first flexible board, and a storage channel for accommodating the adjustment mechanism is formed between the first flexible board, the second flexible board, the third flexible board and the sliding seat.

[0013] By adopting the above technical solution, the mutual cooperation between the flexible boards can make the adjustment mechanism more convenient to adjust the position of the display screen body. On the one hand, it is convenient for the inspection personnel to detect, and on the other hand, it is also convenient for the inspection personnel to easily change the position of the adjustment mechanism, thereby changing the placement position of the display screen body.

[0014] Preferably, the adjustment mechanism includes an adjustment frame, an abutment frame, a positioning assembly and a support assembly, one end of the adjustment frame is hinged on a sliding seat, the display screen body is placed on the adjustment frame, the abutment frame is hinged on a side wall of the adjustment frame facing away from the display screen body, the positioning assembly is mounted on the sliding seat and is used to cooperate with the abutment frame to change the angle between the adjustment frame and the sliding seat, and the support assembly is mounted on the sliding seat near the hinge and is used to support the display screen body.

[0015] By adopting the above technical solution, when the adjustment frame is flat, that is, when the angle between the adjustment frame and the sliding seat is close to zero, the adjustment frame can cooperate with the flexible board to stably place the display screen body. When the angle between the adjustment frame and the sliding seat changes, the angle of the display screen body can be indirectly changed. Therefore, the position of the display screen body can be easily adjusted.

[0016] Preferably, the positioning assembly includes a snap-in plate and a reinforcement plate, the reinforcement plate is mounted on the sliding seat, the snap-in plate is vertically mounted on the reinforcement plate, the snap-in plate is provided with snap-in grooves at equal intervals, and the snap-in grooves are snap-fitted with the abutment frame.

[0017] By adopting the above technical solution, when the abutment frame abuts against different card-joining grooves, the position of the adjustment frame can be directly changed, and then the position of the display screen body on the adjustment frame can be indirectly changed. In this way, the angle of the display screen body can be changed according to actual needs, thereby facilitating the inspection personnel to carry out inspection very conveniently.

[0018] Preferably, the power-on component is a triangular socket, and the first flexible board is provided with a socket for the triangular socket to pass through.

[0019] By adopting the above technical solution, the triangular socket provided can facilitate the plug on the display screen to be plugged into the triangular socket. For this reason, when the power supply component periodically supplies power to the triangular socket, the display screen body can be indirectly and periodically supplied with power through the triangular socket.

[0020] Preferably, the supporting assembly includes a first bending plate, a second bending plate and a third bending plate, the first bending plate is bent toward the adjusting frame, the bending angle formed by the first bending plate is used to cooperate with the abutment frame to stabilize the display screen body in a tilted state, the second bending plate and the third bending plate are installed on the sliding seat and are respectively located on both sides of the second bending plate, and the second bending plate and the third bending plate are used to cooperate and stabilize display screen bodies of different sizes.

[0021] By adopting the above technical solution, the first bending plate can support the bottom of the display screen body when the display screen body is kept in an inclined state, so that the display screen body can be stabilized on the adjustment frame. The cooperation between the second bending plate and the third bending plate can adapt to display screen bodies of different sizes, thereby facilitating the support and stabilization of the position of the display screen body.

[0022] Preferably, a bearing pad is installed on the adjustment frame, and the bearing pad is used to bear the display screen body.

[0023] By adopting the above technical solution, the provided bearing pad can conveniently bear the display screen body. In actual situations, the bearing pad is flexible, thereby facilitating the protection of the display screen body.

[0024] Preferably, the adjustment frame includes an adjustment rod and a reinforcement rod, the adjustment rods are symmetrically arranged and rotatably connected to the sliding seat through a rotating shaft, the reinforcement rod is installed between the symmetrical adjustment rods, and the bearing pad is installed on the bearing surfaces of the adjustment rod and the reinforcement rod.

[0025] By adopting the above technical solution, the adjustment rod and the reinforcement rod cooperate with each other, which, on the one hand, facilitates the display screen body to be easily installed on the adjustment frame, and on the other hand, facilitates the display screen body to be more stably installed on the adjustment frame.

[0026] Preferably, the rotating shaft, the adjusting rod and the bearing pad form a protection channel, and a protection pad passing through the protection channel is installed on the sliding seat, and the thickness of the protection pad is greater than the thickness of the adjusting rod.

[0027] By adopting the above technical solution, the presence of the protective pad can improve the protection of the display screen body, thereby facilitating stable detection of the display screen body.

[0028] In summary, the present application includes at least one of the following beneficial technical effects of a display screen bad pixel detection device:

[0029] 1. It is very convenient to detect the bad points of the display screen, and the display screen is powered periodically to achieve the purpose of detection, which can improve the accuracy of detection and improve the detection efficiency;

[0030] 2. The protective mechanism can protect the display screen body, making it less likely to be damaged, and indirectly increasing the service life of the display screen body;

[0031] 3. The adjustment mechanism can be adjusted according to the actual needs of the inspectors or the actual height of the inspectors. This is convenient for improving the inspectors' comfort and for adjusting the display screen body. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 is a top view of the display screen bad pixel detection device in the present application;

[0033] Figure 2 It is a three-dimensional diagram of the display screen bad pixel detection device in the present application;

[0034] Figure 3 It is a schematic diagram of the structure of the testing organization in this application;

[0035] Figure 4 It is a circuit schematic diagram of the neutral line conductive roller, the live line conductive roller and the conductive contact point in the present application;

[0036] Figure 5 It is the circuit schematic diagram of the display screen and the triangle socket in this application;

[0037] Figure 6 It is a schematic diagram of the overall structure of the sliding seat in this application;

[0038] Figure 7 It is a schematic diagram of the overall structure of the regulating mechanism in this application;

[0039] Figure 8 It is a schematic diagram of the position of the positioning components in this application.

[0040] Explanation of the reference numerals: 1. frame; 2. chain transmission mechanism; 3. sliding seat; 31. protection pad; 4. protection mechanism; 411. first flexible plate; 412. second flexible plate; 413. third flexible plate; 42. protection assembly; 5. adjustment mechanism; 51. adjustment frame; 511. bearing pad; 512. adjustment rod; 513. reinforcement rod; 52. abutment frame; 53. positioning assembly; 531. snap-on plate; 532. reinforcement plate; 54. support assembly; 541. first bending plate; 542. second bending plate; 543. third bending plate; 6. detection mechanism; 61. power-on assembly; 62. power supply assembly; 621. neutral line conductive rail; 622. live line conductive rail; 623. ground line conductive rail; 624. conductive contact point; 625. neutral line conductive roller; 626. live line conductive roller; 7. display screen body; 8. rotating shaft; 9. storage channel. DETAILED DESCRIPTION

[0041] The following is combined with Figure 1-8 This application is described in further detail.

[0042] The present application embodiment discloses a display screen bad pixel detection device, which is used to improve the efficiency of detecting bad pixels on a display screen and the accuracy of detecting bad pixels, and can also facilitate detection by detection personnel. Figure 1 , which includes a frame 1, a guide rail (not marked in the figure), a sliding seat 3 and a chain transmission mechanism 2. The frame 1 is placed on the ground, the guide rail is installed on the frame 1, the sliding seat 3 is slidably connected to the guide rail, and the chain transmission mechanism 2 is installed on the frame 1 to drive the sliding seat 3 to slide. In this embodiment, the chain transmission mechanism 2 is a chain transmission mechanism 2 in the prior art, which will not be described in detail here. More than one display screen body 7 is placed on the sliding seat 3. In this embodiment, there are three sliding seats 3. When the chain transmission mechanism is driven to rotate by the motor, the sliding seat 3 on the chain transmission mechanism 2 follows the sliding.

[0043] Reference Figure 1 In order to improve the accuracy of detecting bad pixels on the display screen body 7, a detection mechanism 6 is installed on the frame 1. The detection mechanism 6 includes a power-on component 61 and a power supply component 62. The power-on component 61 is installed on the sliding seat 3 and is electrically connected to the display screen body 7. The power supply component 62 is installed on the frame 1 and is used to cooperate with the sliding seat 3 to periodically supply power to the power-on component 61 during sliding, so as to indirectly periodically supply power to the display screen body 7.

[0044] Reference Figure 2 The power supply assembly 62 includes a neutral line conductive track 621, a live line conductive track 622 and a ground line conductive track 623. The ground line conductive track 623 is connected to the display screen body 7 (refer to Figure 1 )Shell electrical connection, refer to Figure 3 , neutral line conductive rollers 625 are installed at equal intervals on the neutral line conductive rail 621, and live line conductive rollers 626 are installed at equal intervals on the live line conductive rail 622. Figure 4 A symmetrical conductive contact point 624 is installed on the side of the sliding seat 3 close to the live wire conductive rail 622. The conductive contact point 624 is matched with the neutral wire conductive roller 625 and the live wire conductive roller 626. When the sliding seat 3 slides, Figure 5 The neutral conductive roller 625 and the live conductive roller 626 are respectively in contact with the corresponding conductive contact points 624. At this time, the neutral conductive rail 621 and the live conductive rail 622 supply power to the display screen body 7 through the power-on component 61.

[0045] Reference Figure 3 , the power-on component 61 is a triangular socket, refer to Figure 4 The neutral line, live line and ground line in the triangle socket are electrically connected to the neutral line conductive track 621, the live line conductive track 622 and the ground line conductive track 623 in sequence through the conductive contact point 624. Figure 5 When the plug of the display screen body 7 is inserted into the triangle socket and the conductive contact point 624 contacts the corresponding neutral line conductive roller 625 and live line conductive roller 626, the display screen body 7 is powered and the monochrome screen lights up. At this time, it is very convenient to find the bad pixel.

[0046] Reference Figure 3 The neutral wire conductive rail 621 and the live wire conductive rail 622 are parallel to the guide rail, and the neutral wire conductive roller 625 and the live wire conductive roller 626 are equidistantly installed on the neutral wire conductive rail 621 and the live wire conductive rail 622, and slide with the conductive contact point 624 of the sliding seat 3. When the sliding seat 3 slides, the neutral wire conductive roller 625 and the live wire conductive roller 626 slide and contact with the conductive contact point 624 periodically. At this time, the neutral wire conductive rail 621 and the live wire conductive rail 622 can periodically supply power to the display screen body 7 through the triangle socket, thereby increasing the number of times the display screen body 7 is powered, and then facilitating multiple bad pixel detection on the display screen body 7, thereby improving the success rate of bad pixel detection.

[0047] Reference Figure 6 In order to stably place the display screen body 7 (refer to Figure 1 ), a protective mechanism 4 is installed on the sliding seat 3, the protective mechanism 4 includes a flexible component and a protective component 42, the flexible component is installed on the sliding seat 3 for carrying the display screen body 7, the protective component 42 is installed on both sides of the carrying component, and the display screen body 7 is placed on the flexible component bearing surface between the protective components 42.

[0048] Reference Figure 6 The flexible assembly includes a first flexible board 411, a second flexible board 412 and a third flexible board 413. The first flexible board 411 is fitted on the sliding seat 3, and the second flexible board 412 and the third flexible board 413 are symmetrically mounted on the sliding seat 3 and are located at both ends of the first flexible board 411. The first flexible board 411, the second flexible board 412 and the third flexible board 413 are integrally connected. A jack is provided on the first flexible board 411, and two jacks are provided. A triangular socket is installed in the jack. In addition, the first flexible board 411, the second flexible board 412 and the third flexible board 413 are made of elastic material, such as hard rubber.

[0049] Reference Figure 6 A storage channel 9 is formed between the first flexible board 411, the second flexible board 412, the third flexible board 413 and the sliding seat 3. An adjustment mechanism 5 is installed in the storage channel 9. The adjustment mechanism 5 is installed on the sliding seat 3 and is used to adjust the placement angle of the display screen body 7.

[0050] Reference Figure 7The adjustment mechanism 5 includes an adjustment frame 51, an abutment frame 52, a positioning assembly 53 and a support assembly 54. One end of the adjustment frame 51 is hinged on the sliding seat 3, and the display screen body 7 is placed on the adjustment frame 51. The abutment frame 52 is hinged on the side wall of the adjustment frame 51 facing away from the display screen body 7. The positioning assembly 53 is installed on the sliding seat 3 to cooperate with the abutment frame 52 to change the angle between the adjustment frame 51 and the sliding seat 3. The support assembly 54 is installed on the sliding seat 3 near the hinge to support the display screen body 7.

[0051] Reference Figure 7 The adjustment frame 51 includes an adjustment rod 512 and a reinforcement rod 513. Two adjustment rods 512 are provided. The two adjustment rods 512 are hollow. The two adjustment rods 512 are rotatably connected to the sliding seat 3 through the same rotating shaft 8. Specifically, two fixed seats are symmetrically installed on the sliding seat 3 through screws, and the rotating shaft 8 is rotatably connected between the two fixed seats. The two ends of the rotating shaft 8 pass through the two fixed seats and are respectively connected to the two adjustment rods 512. In this embodiment, when the adjustment rod 512 rotates along the rotating shaft 8, the bottom end of the adjustment rod 512 will not contact the bearing surface of the sliding seat 3, so that the adjustment rod 512 can rotate smoothly.

[0052] Reference Figure 7 The reinforcing rod 513 is installed between the ends of the two adjusting rods 512 away from the axis, referring to Figure 6 When the reinforcing rod 513 is in contact with the sliding seat 3, the adjusting rod 512 is parallel to the sliding seat 3. In order to protect the display screen body 7, a bearing pad 511 is horizontally installed on the bearing surface of the reinforcing rod 513 and the adjusting rod 512. When the reinforcing rod 513 is in contact with the sliding seat 3, the bearing surface of the bearing pad 511 and the bearing surface of the first flexible plate 411 are in the same plane. In addition, the rotating shaft 8, the adjusting rod 512 and the bearing pad 511 form a protection channel. A protection pad 31 passing through the protection channel is installed on the sliding seat 3. The material of the protection pad 31 and the bearing pad 511 is the same as that of the first flexible plate 411. When the reinforcing rod 513 is in contact with the sliding seat 3, the height of the protection pad 31 is lower than the height of the bearing pad 511.

[0053] Reference Figure 7 The abutment frame 52 is U-shaped, and the two ends of the abutment frame 52 are rotatably connected to the side walls of the two adjustment rods 512 facing away from the display body 7 through the pin shaft. Figure 8There are two positioning components 53, which include a clamping plate 531 and a reinforcing plate 532. The reinforcing plate 532 is mounted on the sliding seat 3 by screws. The clamping plate 531 is vertically mounted on the reinforcing plate 532. Clamping grooves are equidistantly provided on the clamping plate 531, and the clamping grooves are all clamped with the abutment frame 52. When the abutment frame 52 abuts in different clamping grooves, the angle between the adjusting rod 512 and the sliding seat 3 also changes accordingly. Correspondingly, the placement position of the display screen body 7 can be indirectly changed.

[0054] Reference Figure 7 In order to further stabilize the display screen body 7 in the tilted state, the support assembly 54 is provided with a bending angle, and the support assembly 54 includes a first bending plate 541, a second bending plate 542 and a third bending plate 543. The first bending plate 541 is directly opposite to the rotating shaft 8, and the first bending plate 541 is bent 90 degrees toward the display screen body 7. When the adjustment rod 512 drives the display screen body 7 to be in the tilted state, the bottom end surface of the display screen body 7 is in the bending angle of the first bending plate 541. The second bending plate 542 and the third bending plate 543 are installed on the sliding seat 3 and are respectively located on both sides of the second bending plate 542. When the display screen body 7 is large in size, the bending angles on the second bending plate 542 and the third bending plate 543 can support display screen bodies 7 of different sizes.

[0055] The implementation principle of a display screen bad pixel detection device in an embodiment of the present application is as follows: first, the display screen body 7 is horizontally placed on the surface of the bearing pad 511, the first flexible board 411, the second flexible board 412 and the third flexible board 413, and the plug of the display screen body 7 is inserted into the triangular socket.

[0056] The chain transmission mechanism 2 is then driven to transmit, so that the sliding seat 3 drives the display screen body 7 to slide. When the sliding seat 3 slides, the neutral wire conductive roller 625 and the live wire conductive roller 626 periodically slide and contact with the conductive contact point 624. At this time, the neutral wire conductive rail 621 and the live wire conductive rail 622 can periodically supply power to the display screen body 7 through the triangle socket, thereby increasing the number of times the display screen body 7 is powered, and then facilitating multiple bad pixel detection of the display screen body 7, thereby improving the accuracy of bad pixel detection.

[0057] In addition, when the angle of the display screen body 7 needs to be adjusted, the abutment frame 52 is abutted in the required snap-in groove. At this time, the bottom end of the display screen body 7 abuts in the bending angle. In this way, the placement position of the display screen body 7 can be indirectly changed, thereby facilitating the work of the inspector.

[0058] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A display screen bad pixel detection device, comprising a frame (1), a guide rail, a sliding seat (3) and a chain transmission mechanism (2), wherein the guide rail is mounted on the frame (1), the sliding seat (3) is slidably connected to the guide rail, and the chain transmission mechanism (2) is mounted on the frame (1) to drive the sliding seat (3) to slide, characterized in that: The device also comprises a protection mechanism (4), an adjustment mechanism (5) and a detection mechanism (6); a display screen body (7) is placed on the protection mechanism (4); the protection mechanism (4) is mounted on a sliding seat (3); the adjustment mechanism (5) is mounted on the sliding seat (3) and is used to adjust the placement angle of the display screen body (7); the detection mechanism (6) comprises a power-on component (61) and a power supply component (62); the power-on component (61) is mounted on the sliding seat (3) and is electrically connected to the display screen body (7); the power supply component (62) is mounted on a guide rail and is used to cooperate with the sliding seat (3) during sliding to periodically supply power to the power-on component (61) and indirectly periodically supply power to the display screen body (7); The power-on component (61) is a triangular socket; The power supply assembly (62) comprises a neutral line conductive rail (621), a live line conductive rail (622) and a ground line conductive rail (623), the ground line conductive rail (623) being electrically connected to the housing of the display screen body (7), neutral line conductive rollers (625) being equidistantly mounted on the neutral line conductive rail (621), live line conductive rollers (626) being equidistantly mounted on the live line conductive rail (622), symmetrical conductive contact points (624) being mounted on the side of the sliding seat (3) close to the live line conductive rail (622), the conductive contact points (624) being adapted to the neutral line conductive rollers (625) and the live line conductive rollers (626), and when the sliding seat (3) slides, the neutral line conductive rollers (625) and the live line conductive rollers (626) respectively abut against the corresponding conductive contact points (624), and the neutral line conductive rail (621) and the live line conductive rail (622) supply power to the display screen body (7) through the power-on assembly (61); The neutral line conductive rail (621) and the live line conductive rail (622) are parallel to the guide rail; the neutral line conductive roller (625) and the live line conductive roller (626) are equidistantly mounted on the neutral line conductive rail (621) and the live line conductive rail (622); the neutral line conductive roller (625) and the live line conductive roller (626) are slidably matched with the conductive contact point (624) of the sliding seat (3); when the sliding seat (3) slides, the neutral line conductive roller (625) and the live line conductive roller (626) periodically slidably contact the conductive contact point (624); and the neutral line conductive rail (621) and the live line conductive rail (622) periodically supply power to the display screen body (7) through the triangular socket.

2. A display screen bad pixel detection device according to claim 1, characterized in that: The protective mechanism (4) comprises a flexible component and a protective component (42); the flexible component is mounted on a sliding seat (3) for carrying a display screen body (7); the protective component (42) is mounted on both sides of the carrying component; the display screen body (7) is placed on a flexible component carrying surface between the protective components (42).

3. A display screen bad pixel detection device according to claim 2, characterized in that: The flexible assembly comprises a first flexible plate (411), a second flexible plate (412) and a third flexible plate (413); the first flexible plate (411) is horizontally mounted on a sliding seat (3); the second flexible plate (412) and the third flexible plate (413) are symmetrically mounted on the sliding seat (3) and are integrally connected to the first flexible plate (411); a storage channel (9) for accommodating an adjustment mechanism (5) is formed between the first flexible plate (411), the second flexible plate (412), the third flexible plate (413) and the sliding seat (3).

4. A display screen bad pixel detection device according to claim 2, characterized in that: The adjustment mechanism (5) comprises an adjustment frame (51), an abutment frame (52), a positioning assembly (53) and a support assembly (54); one end of the adjustment frame (51) is hinged on the sliding seat (3); the display screen body (7) is placed on the adjustment frame (51); the abutment frame (52) is hinged on the side wall of the adjustment frame (51) facing away from the display screen body (7); the positioning assembly (53) is mounted on the sliding seat (3) and is used to cooperate with the abutment frame (52) to change the angle between the adjustment frame (51) and the sliding seat (3); the support assembly (54) is mounted on the sliding seat (3) near the hinge and is used to support the display screen body (7).

5. A display screen bad pixel detection device according to claim 4, characterized in that: The positioning assembly (53) comprises a clamping plate (531) and a reinforcing plate (532); the reinforcing plate (532) is mounted on the sliding seat (3); the clamping plate (531) is vertically mounted on the reinforcing plate (532); the clamping plate (531) is provided with clamping grooves at equal intervals; the clamping grooves are all clamped and matched with the abutting frame (52).

6. A display screen bad pixel detection device according to claim 3, characterized in that: The first flexible board (411) is provided with a plug hole for the triangular socket to pass through.

7. A display screen bad pixel detection device according to claim 4, characterized in that: The support assembly (54) comprises a first bending plate (541), a second bending plate (542) and a third bending plate (543); the first bending plate (541) is bent toward the adjustment frame (51); the bending angle formed by the first bending plate (541) is used to cooperate with the abutment frame (52) to stabilize the display screen body (7) in a tilted state; the second bending plate (542) and the third bending plate (543) are installed on the sliding seat (3) and are respectively located on both sides of the second bending plate (542); the second bending plate (542) and the third bending plate (543) are used to cooperate and stabilize display screen bodies (7) of different sizes.

8. A display screen bad pixel detection device according to claim 4, characterized in that: A bearing pad (511) is installed on the adjustment frame (51), and the bearing pad (511) is used to bear the display screen body (7).

9. A display screen bad pixel detection device according to claim 8, characterized in that: The adjustment frame (51) comprises an adjustment rod (512) and a reinforcement rod (513); the adjustment rod (512) is symmetrically arranged and rotatably connected to the sliding seat (3) via a rotating shaft (8); the reinforcement rod (513) is installed between the symmetrical adjustment rods (512); and the bearing pad (511) is installed on the bearing surfaces of the adjustment rod (512) and the reinforcement rod (513).

10. A display screen bad pixel detection device according to claim 9, characterized in that: The rotating shaft (8), the adjusting rod (512) and the bearing pad (511) form a protection channel, and the sliding seat (3) is provided with a protection pad (31) passing through the protection channel, and the thickness of the protection pad (31) is greater than the thickness of the adjusting rod (512).

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