Display screen detection device and detection method
By designing a display screen testing device, which uses an active bevel gear to drive the display screen to rotate for multiple tests, the problem of low display screen testing efficiency in existing technologies is solved, and efficient and accurate electrical function and brightness testing is achieved.
Patent Information
- Application Number
- CN202510066913.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-16
- Publication Date
- 2025-11-04
- Estimated Expiration
- 2045-01-16
AI Technical Summary
Existing display screen testing is inefficient, requiring repeated connection and disconnection, and pauses in the pipeline testing process affect efficiency.
Design a display screen testing device, comprising a frame, electrical function testing equipment, an arc-shaped power track, a testing mounting frame, and a light sensor. The display screen is rotated by an active bevel gear to perform multiple tests, a camera captures images from different angles, and the light sensor detects the brightness.
This technology enables multiple tests on the display screen to be performed without interruption during rotation, improving testing efficiency and accuracy, and allowing for comprehensive acquisition of the display screen's electrical functions, brightness, and appearance data.
Smart Images

Figure CN119958816B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of display screen detection, in particular to a display screen detection device and method. BACKGROUND
[0002] In modern electronic products, the display screen is an important interface for users to interact with the device, and its performance and quality directly affect the user's experience. Therefore, it is particularly important to comprehensively and accurately detect the display screen. Through detection, potential problems and defects can be found early, and the reliability and user satisfaction of the product can be improved. At present, multiple projects need to be detected, and the display screen needs to be repeatedly connected and plugged with different detection devices, which is low in efficiency. Although a pipeline type detection station has appeared, the display screen needs to stop for detection when it reaches each detection device in the detection station, and the repeated start and stop further affect the detection efficiency. Therefore, it is necessary to provide a display screen detection device and method to solve the above problems. SUMMARY
[0003] The present application aims to provide a display screen detection device and method to solve the problems mentioned in the background.
[0004] To achieve the above-mentioned purpose, the present application provides the following technical scheme: a display screen detection device, comprising a rack, a plurality of electrical function detection devices are installed on the rack, the display screen detection device further comprises a plurality of detection mounting frames and a plurality of arc-shaped power tracks, the bottom of the detection mounting frame is fixed with a display screen plug, each display screen plug is electrically connected with an arc-shaped power track, each arc-shaped power track is electrically connected with an electrical function detection device, a plurality of arc-shaped power tracks are connected head to tail to form a circular ring, the circular ring is fixedly connected with the rack through a support column, a motor and a camera are further installed on the rack, a driving bevel gear is coaxially fixedly connected on the output shaft of the motor, the center line of the circular ring is collinear with the center line of the driving bevel gear, the driving bevel gear is fixedly connected with the detection mounting frame through a connecting rod, a plurality of detection mounting frames are distributed in a circular array about the center line of the circular ring, the camera is used for collecting display screen images at different angles, and a light sensor is arranged on the outside of one of the detection mounting frames, the light sensor is used for detecting the brightness of the display screen.
[0005] As a further scheme of the present application, a connecting plug is installed at the bottom of each detection mounting frame, the connecting plug is electrically connected with the display screen plug, and a socket is slidably connected on each arc-shaped power track, the socket is connected with the connecting plug.
[0006] As a further embodiment of the present invention, a lifting plate is provided below the light sensor. The motor drives the detection mounting frame to rotate while simultaneously driving the lifting plate to reciprocate linearly in the vertical direction. A through groove and a limiting groove are provided on the surface of the lifting plate. A limiting block is fixed to the bottom surface of the light sensor, and the limiting block is slidably connected to the limiting groove. The limiting block and the outer end face of the limiting groove are connected by a return spring. A through hole is provided on the light sensor, and a vertical guide rod is slidably connected to the inner wall of the through hole. The vertical guide rod passes through the through groove, and the size of the through groove is larger than the size of the through hole. Abutment rods are fixedly connected to both the upper and lower ends of the vertical guide rod. The upper edges and lower edges of several detection mounting frames are connected by arc-shaped connecting strips. Sliding grooves are provided on the upper and lower edges of the detection mounting frames and the sides of the arc-shaped connecting strips. The abutment rods are inserted into the sliding grooves and are slidably connected to the sliding grooves.
[0007] As a further embodiment of the present invention, a driven bevel gear is meshed with the driving bevel gear, the diameter of the driving bevel gear being larger than the diameter of the driven bevel gear. A fixed plate is connected to the frame, and a rotating shaft is rotatably connected to the fixed plate. The rotating shaft is coaxially and fixedly connected to the driven bevel gear. A disc is connected to the outer end of the rotating shaft. The edge of the disc is hinged to one end of a movable rod, and the other end of the movable rod is hinged to a lifting plate. A slider is connected to the side of the lifting plate, and a vertical groove plate is connected to the fixed plate. The slider and the vertical groove plate are slidably connected.
[0008] As a further embodiment of the present invention, mounting grooves are provided on both sides of the detection mounting frame. The two sides of the display screen can be slid into the mounting grooves to complete the installation. After the installation is completed, the display screen plug is connected to the socket on the display screen.
[0009] As a further embodiment of the present invention, each of the arc-shaped power rails is connected to an electrical function testing device via a wire, and a conduit is provided on the outside of the wire. The arc-shaped power rails are mutually insulated from each other, and the number of the testing mounting frame, the arc-shaped power rails, and the electrical function testing device are the same.
[0010] The present invention also aims to provide a display screen detection method, applied to the aforementioned display screen detection device, the method comprising the following steps:
[0011] A display screen is installed in each detection mounting frame. The motor is started, causing the active bevel gear to rotate one revolution.
[0012] Each electrical function testing device collects several test data points, and each test data point corresponds to a display screen;
[0013] The camera collects display screen images of each display screen at different angles, and the display screen images are used for subsequent appearance detection.
[0014] The light sensor collects brightness data of each display screen for brightness detection.
[0015] In summary, the beneficial effects of the present application are:
[0016] Through the setting of the driving bevel gear, the detection mounting frame, the display screen plug, the arc-shaped power track, the electrical function detection equipment and the light sensor, when in use, a plurality of display screens can be placed in the detection mounting frame at the same time, so that the driving bevel gear can rotate one round to complete multiple electrical function detection, display screen brightness detection and appearance detection, and the process of rotating one round will not be paused, which is efficient and convenient. In addition, since the display screen is always rotating, display screen images at different angles can be collected, and brightness data of different areas on the display screen can be obtained, so that the detection is more comprehensive and accurate. BRIEF DESCRIPTION OF DRAWINGS
[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor on the basis of these drawings.
[0018] Figure 1 A three-dimensional structure diagram of a display screen detection device according to an embodiment of the present application Figure One .
[0019] Figure 2 A three-dimensional structure diagram of a display screen detection device according to an embodiment of the present application Figure Two .
[0020] Figure 3 A three-dimensional structure diagram of a display screen detection device according to an embodiment of the present application Figure Three .
[0021] Figure 4 A three-dimensional structure diagram of a display screen detection device according to an embodiment of the present application Figure Four .
[0022] Figure 5 A three-dimensional structure diagram of a display screen detection device according to an embodiment of the present application Figure 2 .
[0023] Figure 6 A three-dimensional structure diagram of a display screen detection device according to an embodiment of the present application Figure 3 .
[0024] Figure 7A sectional view of a light ray sensor and a lifting plate in a display screen detection device according to an embodiment of the present application.
[0025] Label: 1 - frame, 2 - motor, 3 - driving bevel gear, 4 - driven bevel gear, 5 - connecting rod, 6 - detection mounting frame, 7 - mounting groove, 8 - display screen plug, 9 - arc-shaped power track, 10 - wire tube, 11 - camera, 12 - electrical function detection equipment, 13 - light ray sensor, 14 - vertical groove plate, 15 - resisting rod, 16 - sliding groove, 17 - arc-shaped connecting strip, 18 - support column, 19 - fixed plate, 20 - disc, 21 - rotating shaft, 22 - movable rod, 23 - lifting plate, 24 - sliding block, 25 - vertical guide rod, 27 - socket, 28 - connecting plug, 29 - through hole, 30 - through groove, 31 - limiting groove, 32 - limiting block, 33 - reset spring. DETAILED DESCRIPTION
[0026] In order to make the purpose, technical scheme and advantages of the present application clearer, the present application will be further described in detail below in combination with the drawings and specific embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.
[0027] The specific implementation of the present application will be described in detail below in combination with specific embodiments.
[0028] Please refer to Figure 1 , Figure 2 , Figure 3 and Figure 4The display screen detection device provided by the embodiment of the present application comprises a rack 1, a plurality of electrical function detection devices 12 are installed on the rack 1, different electrical function detection devices 12 have different functions, for example, voltage and current test, power consumption test, electric strength test and the like, the display screen detection device further comprises a plurality of detection mounting frames 6 and a plurality of arc-shaped power tracks 9, a display screen plug 8 is fixed to the bottom of each detection mounting frame 6, and mounting grooves 7 are arranged on the two sides of each detection mounting frame 6, the display screen can be installed by sliding along the mounting grooves 7, after installation, the display screen plug 8 is connected with the jack on the display screen to complete electrical connection, and the installation is very efficient and convenient. Each display screen plug 8 is electrically connected with an arc-shaped power track 9, the display screen plug 8 can rotate relative to the arc-shaped power track 9, each arc-shaped power track 9 is electrically connected with an electrical function detection device 12, a plurality of arc-shaped power tracks 9 are connected head to tail to form a ring, the ring is fixedly connected with the rack 1 through a support column 18, a motor 2 and a camera 11 are further installed on the rack 1, a driving bevel gear 3 is coaxially and fixedly connected to the output shaft of the motor 2, the center line of the ring is collinear with the center line of the driving bevel gear 3, the driving bevel gear 3 is fixedly connected with the detection mounting frame 6 through a connecting rod 5, in this way, the motor 2 can rotate with the plurality of detection mounting frames 6. A plurality of detection mounting frames 6 are distributed in a circumferential array about the center line of the ring, the camera 11 is used for collecting display screen images at different angles, and subsequent visual analysis will be performed on the display screen images to complete appearance detection, a light sensor 13 is arranged on the outer side of one detection mounting frame 6, and the light sensor 13 is used for detecting the brightness of the display screen. In this way, a plurality of display screens are placed in the detection mounting frames 6, the driving bevel gear 3 rotates one round, and a plurality of electrical function detection, display screen brightness detection and appearance detection can be completed, and the process of one round rotation will not be paused, which is efficient and convenient.
[0029] In the embodiment of the present application, the camera 11 is fixed, and the detection mounting frame 6 is always rotating, so that display screen appearance images at different angles can be obtained, appearance detection is more comprehensive and accurate, after the display screen appearance images are obtained, feature extraction is performed, color, texture and shape features are extracted, then a deep learning model is used for matching and analyzing the extracted feature information, and possible defects on the surface of the display screen are identified, such as scratches, cracks, bubbles and color difference, and the deep learning model needs to be trained in advance.
[0030] Please refer to Figures 1 to 7In the embodiment of the present application, the bottom of each detection mounting frame 6 is provided with a connecting plug 28 electrically connected with the display screen plug 8, one socket 27 is slidably connected on each arc-shaped power track 9, the socket 27 is connected with the connecting plug 28, and the socket 27 can be electrically connected with any arc-shaped power track 9. Each arc-shaped power track 9 is connected with an electrical function detection device 12 through an electric wire, the outer side of the electric wire is provided with a wire tube 10, the arc-shaped power tracks 9 are insulated from each other, and the number of the detection mounting frame 6, the arc-shaped power track 9 and the electrical function detection device 12 is the same, for example, all are four.
[0031] In the embodiment of the present application, the lower side of the light sensor 13 is provided with a lifting plate 23, the motor 2 drives the detection mounting frame 6 to rotate and drives the lifting plate 23 to reciprocate vertically, the surface of the lifting plate 23 is provided with a through groove 30 and a limiting groove 31, the bottom surface of the light sensor 13 is fixedly provided with a limiting block 32, the limiting block 32 is slidably connected with the limiting groove 31, the cross section of the limiting block 32 is trapezoidal, so that the limiting block 32 cannot be separated from the limiting groove 31, and the outer side end surface of the limiting block 32 and the limiting groove 31 is connected through a return spring 33; the light sensor 13 is provided with a through hole 29, a vertical guide rod 25 is slidably connected with the inner wall of the through hole 29, the vertical guide rod 25 passes through the through groove 30, the size of the through groove 30 is larger than the size of the through hole 29, and there is a gap between the vertical guide rod 25 and the inner wall of the through groove 30; the upper and lower ends of the vertical guide rod 25 are fixedly connected with abutting rods 15, the upper edges and the lower edges of the plurality of detection mounting frames 6 are connected through arc-shaped connecting strips 17, and the upper edges, the lower edges of the detection mounting frames 6 and the side surface of the arc-shaped connecting strips 17 are provided with sliding grooves 16, the sliding grooves 16 are smoothly connected, the abutting rods 15 are always inserted into the sliding grooves 16 under the extrusion of the return spring 33, and the abutting rods 15 are slidably connected with the sliding grooves 16. In this way, the light sensor 13 and the display screen always maintain a small gap, even if the display screen rotates, the small gap always does not change under the action of the return spring 33 and the abutting rods 15, and the accuracy of brightness detection is ensured.
[0032] In the embodiment of the present application, the driving bevel gear 3 is connected with the driven bevel gear 4 in meshing, the diameter of the driving bevel gear 3 is greater than the diameter of the driven bevel gear 4, for example, the diameter of the driving bevel gear 3 is eight times of the diameter of the driven bevel gear 4, the fixed plate 19 is connected on the rack 1, the rotating shaft 21 is rotatably connected on the fixed plate 19, the rotating shaft 21 is coaxially fixedly connected with the driven bevel gear 4, the disc 20 is connected on the outer side end of the rotating shaft 21, the edge of the disc 20 is hingedly connected with one end of the movable rod 22, the other end of the movable rod 22 is hingedly connected with the lifting plate 23, the side surface of the lifting plate 23 is connected with the sliding block 24, the fixed plate 19 is connected with the vertical slot plate 14, and the sliding block 24 is slidingly connected with the vertical slot plate 14. In this way, when the driving bevel gear 3 rotates, the lifting plate 23 will perform reciprocating linear motion, and then the light sensor 13 will perform reciprocating motion in the vertical direction, and the display screen rotates, so that the light sensor 13 can detect the brightness of each area of the display screen, and the detection result has higher reliability.
[0033] The display screen detection method provided by the embodiment of the present application is applied to the display screen detection device, and includes the following steps: installing the display screen in each detection mounting frame 6, starting the motor 2 to make the driving bevel gear 3 rotate one circle, each electrical function detection equipment 12 collects a plurality of test data, each test data corresponds to one display screen, the camera 11 collects the display screen images of each display screen at different angles, and the display screen images are used for subsequent appearance detection, and the light sensor 13 collects the brightness data of each display screen. After the driving bevel gear 3 rotates one circle, the display screen with completed test is taken down for the next round of test, preferably, the installation and taking down of the display screen are performed by the mechanical hand, and the electrical function detection equipment 12 is self-powered or has been connected to the power supply.
[0034] For those skilled in the art, although several embodiments and examples of the present application are described, these embodiments and examples are presented as examples and are not intended to limit the scope of the application. These new embodiments can be implemented in other various ways, and various omissions, substitutions, changes can be made without departing from the scope of the application. These embodiments and their modifications are included in the scope and spirit of the application, and are included in the scope of the application and its equivalents described in the claims.
[0035] In addition, it should be understood that although the present specification is described in terms of embodiments, each embodiment does not contain only one independent technical solution, and the description manner of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each example can be properly combined to form other embodiments which can be understood by those skilled in the art.
Claims
1. A display screen testing device, comprising a frame (1), wherein a plurality of electrical function testing devices (12) are mounted on the frame (1), characterized in that, The display screen testing device also includes several testing mounting frames (6) and several arc-shaped power tracks (9). A display screen plug (8) is fixed to the bottom of each testing mounting frame (6). Each display screen plug (8) is electrically connected to an arc-shaped power track (9), and each arc-shaped power track (9) is electrically connected to an electrical function testing device (12). Several arc-shaped power tracks (9) are connected end-to-end to form a ring. The ring is fixedly connected to the frame (1) via a support column (18). A motor (2) and a camera (11) are also mounted on the frame (1). A drive bevel gear (3) is coaxially fixedly connected to the output shaft of the motor (2). The centerline of the ring is collinear with the centerline of the drive bevel gear (3). The drive bevel gear (3) is fixedly connected to the testing mounting frame (6) via a connecting rod (5). Several testing mounting frames (6) are arranged in a circular array about the centerline of the ring. The camera (11) is used to collect images of the display screen from different angles. A light sensor (13) is provided on the outside of a detection mounting frame (6), and the light sensor (13) is used to detect the brightness of the display screen; a lifting plate (23) is provided below the light sensor (13), and the motor (2) drives the detection mounting frame (6) to rotate while simultaneously driving the lifting plate (23) to reciprocate vertically. The surface of the lifting plate (23) is provided with a through groove (30) and a limiting groove (31), and the bottom of the light sensor (13) is... A limiting block (32) is fixed on the surface, and the limiting block (32) is slidably connected to the limiting groove (31). The outer end face of the limiting block (32) and the limiting groove (31) are connected by a return spring (33). A through hole (29) is provided on the light sensor (13). A vertical guide rod (25) is slidably connected to the inner wall of the through hole (29). The vertical guide rod (25) passes through the through groove (30). The size of the through groove (30) is larger than the size of the through hole (29).The vertical guide rod (25) is fixedly connected to both its upper and lower ends with abutment rods (15). The upper and lower edges of several detection mounting frames (6) are connected by arc-shaped connecting strips (17). Slide grooves (16) are provided on the upper and lower edges of the detection mounting frames (6) and the sides of the arc-shaped connecting strips (17). The abutment rods (15) are inserted into the slide grooves (16), and the abutment rods (15) and slide grooves (16) are slidably connected. A driven bevel gear (4) is meshed on the driving bevel gear (3). The diameter of the driving bevel gear (3) is larger than the diameter of the driven bevel gear (4). A fixed plate (19) is connected to the frame (1), and a rotating shaft (21) is rotatably connected to the fixed plate (19). The rotating shaft (21) is coaxially and fixedly connected to the driven bevel gear (4). A disc (20) is connected to the outer end of the rotating shaft (21). The edge of the disc (20) is hinged to one end of the movable rod (22), and the other end of the movable rod (22) is hinged to the lifting plate (23). A slider (24) is connected to the side of the lifting plate (23). A vertical slot plate (14) is connected to the fixed plate (19), and the slider (24) is slidably connected to the vertical slot plate (14).
2. The display screen testing device according to claim 1, characterized in that, Each of the detection mounting frames (6) is equipped with a connector plug (28) at its bottom. The connector plug (28) is electrically connected to the display plug (8). Each arc-shaped power track (9) is slidably connected to a socket (27), which is connected to the connector plug (28).
3. The display screen testing device according to claim 1, characterized in that, The detection mounting frame (6) is provided with mounting grooves (7) on both sides. The two sides of the display screen can be slid into the mounting grooves (7) to complete the installation. After the installation is completed, the display screen plug (8) is connected to the socket on the display screen.
Citation Information
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