Display screen detection device and detection method

Abstract

The invention relates to the technical field of display screen detection, and provides a display screen detection device and method.The display screen detection device comprises a rack, electrical function detection equipment, a detection mounting frame and arc-shaped electric power rails, a display screen plug is fixed to the bottom of the detection mounting frame, and the multiple arc-shaped electric power rails are connected end to end to form a circular ring; a driving bevel gear is coaxially and fixedly connected to an output shaft of the motor, the center line of the circular ring and the center line of the driving bevel gear are collinear, the driving bevel gear is fixedly connected with the detection mounting frames through connecting rods, the camera is used for collecting display screen images at different angles, and a light sensor is arranged on the outer side of one detection mounting frame. The light sensor is used for detecting the brightness of the display screen. During use, a plurality of display screens are placed in the detection mounting frame at the same time, so that the driving bevel gear rotates for one circle, detection of multiple electrical functions, display screen brightness detection and appearance detection can be completed, pause is avoided in the process of rotating for one circle, and high efficiency and convenience are achieved.

Description

Technical Field

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

[0002] In modern electronic products, display screens are an important interface for users to interact with devices, and their performance and quality directly affect the user experience. Therefore, it is particularly important to conduct comprehensive and accurate testing of display screens. Through testing, potential problems and defects can be discovered early, improving product reliability and user satisfaction. At present, multiple projects are tested, and the display screen needs to be repeatedly connected and plugged in with different testing equipment, which is inefficient; although assembly line testing stations have appeared, the display screen needs to stop for testing every time it reaches a testing device in the testing station, and repeated starting and stopping further affects the testing efficiency. Therefore, it is necessary to provide a display screen detection device and a detection method to solve the above problems. Summary of the invention

[0003] The purpose of the present invention is to provide a display screen detection device and a detection method, aiming to solve the problems mentioned in the background technology.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a display screen detection device, comprising a frame, on which a plurality of electrical function detection devices are installed, the display screen detection device also comprising a plurality of detection installation frames and a plurality of arc-shaped power rails, a display screen plug is fixed to the bottom of the detection installation frame, each display screen plug is electrically connected to an arc-shaped power rail, each arc-shaped power rail is electrically connected to an electrical function detection device, a plurality of arc-shaped power rails are connected head to tail to form a circular ring, the circular ring is fixedly connected to the frame through a support column, a motor and a camera are also installed on the frame, an active bevel gear is coaxially fixedly connected to the output shaft of the motor, a center line of the circular ring is colinear with a center line of the active bevel gear, the active bevel gear is fixedly connected to the detection installation frame through a connecting rod, a plurality of the detection installation frames are distributed in a circular array about the center line of the circular ring, the camera is used to collect display screen images at different angles, a light sensor is arranged on the outer side of one of the detection installation frames, and the light sensor is used to detect the brightness of the display screen.

[0005] As a further solution of the present invention, a connecting plug is installed at the bottom of each detection installation frame, and the connecting plug is electrically connected to the display screen plug. A socket is slidably connected to each arc-shaped power rail, and the socket is connected to the connecting plug.

[0006] As a further solution of the present invention, a lifting plate is arranged below the light sensor, and the motor drives the lifting plate to perform reciprocating linear driving in the vertical direction while rotating the detection installation frame, and a through groove and a limit groove are arranged on the surface of the lifting plate, and a limit block is fixed on the bottom surface of the light sensor, and the limit block is slidably connected with the limit groove, and the limit block is connected to the outer end surface of the limit groove by a reset spring; a through hole is arranged on the light sensor, and a vertical guide rod is slidably connected on the inner wall of the through hole, and 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; the upper and lower ends of the vertical guide rod are fixedly connected with a resistance rod, and the upper edges and lower edges of several detection installation frames are connected by arc-shaped connecting strips, and the upper edge, lower edge and side surfaces of the detection installation frame are provided with slide grooves, and the resistance rod is inserted into the slide groove, and the resistance rod is slidably connected with the slide groove.

[0007] As a further solution of the present invention, the active bevel gear is meshed with a driven bevel gear, the diameter of the active bevel gear is larger than the diameter of the driven bevel gear, the frame is connected to a fixed plate, 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 the movable rod, the other end of the movable rod is hinged to the lifting plate, a slider is connected to the side of the lifting plate, a vertical slot plate is connected to the fixed plate, and the slider is slidably connected to the vertical slot plate.

[0008] As a further solution of the present invention, installation grooves are provided on both sides of the detection installation frame, and the installation can be completed by sliding the two sides of the display screen along the installation grooves. After the installation is completed, the display screen plug is matched and connected with the jack on the display screen.

[0009] As a further solution of the present invention, each of the arc-shaped power rails is connected to an electrical function detection device through an electric wire, a wire tube is provided on the outside of the electric wire, several arc-shaped power rails are insulated from each other, and the number of the detection installation frame, the arc-shaped power rails and the electrical function detection device is the same.

[0010] The present invention also aims to provide a display screen detection method, which is applied to the display screen detection device, and the method comprises the following steps:

[0011] A display screen is installed in each detection installation frame, and the motor is started to make the active bevel gear rotate one circle;

[0012] Each electrical function testing device collects a number of test data, and each test data 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 inspection;

[0014] The light sensor collects the brightness data of each display screen and performs brightness detection.

[0015] In summary, the beneficial effects of the present invention are:

[0016] Through the arrangement of the active bevel gear, the detection installation frame, the display screen plug, the arc-shaped power rail, the electrical function detection equipment and the light sensor, when in use, several display screens can be placed in the detection installation frame at the same time, so that the active bevel gear rotates one circle, and multiple electrical function tests, display screen brightness tests and appearance tests can be completed, and there will be no pause during the rotation, which is efficient and convenient. In addition, since the display screen is always rotating, images of the display screen at different angles can be collected, and brightness data of different areas on the display screen can be obtained, so the detection is more comprehensive and accurate. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative work, among which:

[0018] Figure 1 A schematic diagram of a three-dimensional structure of a display screen detection device according to an embodiment of the present invention Figure 1 .

[0019] Figure 2 A schematic diagram of a three-dimensional structure of a display screen detection device according to an embodiment of the present invention Figure 2 .

[0020] Figure 3 A schematic diagram of a three-dimensional structure of a display screen detection device according to an embodiment of the present invention Figure 3 .

[0021] Figure 4 A schematic diagram of a three-dimensional structure of a display screen detection device according to an embodiment of the present invention Figure 4 .

[0022] Figure 5 for Figure 2 A local enlarged schematic diagram of point A in the middle.

[0023] Figure 6 for Figure 3 A local enlarged schematic diagram of point B in the middle.

[0024] Figure 7The figure is a cross-sectional view of a light sensor and a lifting plate in a display screen detection device according to an embodiment of the present invention.

[0025] Figure markings: 1-frame, 2-motor, 3-driving bevel gear, 4-driven bevel gear, 5-connecting rod, 6-detection installation frame, 7-installation groove, 8-display plug, 9-arc power rail, 10-wire tube, 11-camera, 12-electrical function detection equipment, 13-light sensor, 14-vertical slot plate, 15-resistance rod, 16-slide groove, 17-arc connecting strip, 18-support column, 19-fixed plate, 20-disc, 21-rotating shaft, 22-movable rod, 23-lifting plate, 24-slider, 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 solution and advantages of the present invention clearer, the present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0027] The specific implementation of the present invention is described in detail below in conjunction with specific embodiments.

[0028] See also Figure 1 , Figure 2 , Figure 3 and Figure 4A display screen detection device provided by an embodiment of the present invention includes a frame 1, on which a plurality of electrical function detection devices 12 are installed. Different electrical function detection devices 12 have different functions, such as voltage and current testing, power consumption testing, and dielectric strength testing. The display screen detection device also includes a plurality of detection installation frames 6 and a plurality of arc-shaped power rails 9. A display screen plug 8 is fixed to the bottom of the detection installation frame 6, and installation grooves 7 are provided on both sides of the detection installation frame 6. The two sides of the display screen can be slid into the installation grooves 7 to complete the installation. After the installation is completed, the display screen plug 8 is just matched with the jack on the display screen to complete the electrical connection, and the installation is very efficient and convenient. Each display screen plug 8 is electrically connected to an arc-shaped power rail 9, and the display screen plug 8 can rotate relative to the arc-shaped power rail 9. Each arc-shaped power rail 9 is electrically connected to an electrical function detection device 12. Several arc-shaped power rails 9 are connected head to tail to form a ring. The ring is fixedly connected to the frame 1 through a support column 18. The frame 1 is also equipped with a motor 2 and a camera 11. The output shaft of the motor 2 is coaxially fixedly connected with an active bevel gear 3. The center line of the ring is colinear with the center line of the active bevel gear 3. The active bevel gear 3 is fixedly connected to the detection installation frame 6 through a connecting rod 5. In this way, the motor 2 can rotate with several detection installation frames 6. Several detection installation frames 6 are distributed in a circular array about the center line of the ring. The camera 11 is used to collect display screen images at different angles. The display screen images will be visually analyzed later to complete the appearance detection. A light sensor 13 is arranged on the outside of one of the detection installation frames 6. The light sensor 13 is used to detect the brightness of the display screen. In this way, a number of display screens are placed in the detection installation frame 6, and the active bevel gear 3 rotates one circle, so that multiple electrical function tests, display screen brightness tests and appearance tests can be completed, and there will be no pause during one rotation, which is efficient and convenient.

[0029] In the embodiment of the present invention, the camera 11 is fixed and the detection mounting frame 6 is constantly rotating, so that the appearance images of the display screen at different viewing angles can be obtained, and the appearance detection is more comprehensive and accurate. After obtaining the appearance image of the display screen, feature extraction will be performed to extract color, texture, and shape features, and then the extracted feature information will be matched and analyzed using a deep learning model to identify possible defects on the surface of the display screen, such as scratches, cracks, bubbles, color difference, etc. The deep learning model needs to be trained in advance.

[0030] See also Figures 1 to 7In the embodiment of the present invention, a connection plug 28 is installed at the bottom of each detection installation frame 6, and the connection plug 28 is electrically connected to the display screen plug 8. A socket 27 is slidably connected to each arc-shaped power rail 9, and the socket 27 is connected to the connection plug 28. The socket 27 can be electrically connected to any arc-shaped power rail 9. Each arc-shaped power rail 9 is connected to an electrical function detection device 12 through an electric wire, and a wire tube 10 is arranged outside the electric wire. Several arc-shaped power rails 9 are insulated from each other. The detection installation frame 6, the arc-shaped power rail 9 and the electrical function detection device 12 are the same in number, for example, four in number.

[0031] In the embodiment of the present invention, a lifting plate 23 is arranged below the light sensor 13, and the motor 2 drives the lifting plate 23 to perform reciprocating linear driving in the vertical direction while rotating the detection installation frame 6. A through groove 30 and a limit groove 31 are arranged on the surface of the lifting plate 23. A limit block 32 is fixed to the bottom surface of the light sensor 13, and the limit block 32 is slidably connected with the limit groove 31. The cross section of the limit block 32 is trapezoidal, so that the limit block 32 will not separate from the limit groove 31. The limit block 32 is connected to the outer end surface of the limit groove 31 through a reset spring 33; a through hole 29 is arranged on the light sensor 13, and a through hole 29 is slidably connected to the inner wall of the through hole 29. A vertical guide rod 25 is connected in cooperation, and 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 a resistance rod 15, and the upper edges and lower edges of several detection installation frames 6 are connected by arc-shaped connecting strips 17, and the upper edge, lower edge and side of the arc-shaped connecting strip 17 of the detection installation frame 6 are provided with a slide groove 16, and each section of the slide groove 16 is smoothly connected. Under the extrusion of the reset spring 33, the resistance rod 15 is always inserted into the slide groove 16, and the resistance rod 15 is slidably connected with the slide groove 16. In this way, a small gap is always maintained between the light sensor 13 and the display screen. Even if the display screen rotates, under the action of the reset spring 33 and the resistance rod 15, the small gap remains unchanged, ensuring the accuracy of brightness detection.

[0032] In the embodiment of the present invention, the active bevel gear 3 is meshed with the driven bevel gear 4, the diameter of the active bevel gear 3 is larger than the diameter of the driven bevel gear 4, for example, the diameter of the active bevel gear 3 is eight times the diameter of the driven bevel gear 4, the frame 1 is connected with a fixed plate 19, the fixed plate 19 is rotatably connected with a rotating shaft 21, the rotating shaft 21 is coaxially fixedly connected with the driven bevel gear 4, the outer end of the rotating shaft 21 is connected with a disk 20, the edge of the disk 20 is hinged with one end of a movable rod 22, the other end of the movable rod 22 is hinged with a lifting plate 23, the side of the lifting plate 23 is connected with a slider 24, the fixed plate 19 is connected with a vertical slot plate 14, and the slider 24 is connected with the vertical slot plate 14 in a sliding fit. In this way, when the active bevel gear 3 rotates, the lifting plate 23 will perform reciprocating linear motion, and then carry the light sensor 13 to perform reciprocating motion in the vertical direction, and with the rotation of the display screen, the light sensor 13 can detect the brightness of each area of ​​the display screen, and the detection result is more reliable.

[0033] A display screen detection method provided by an embodiment of the present invention is applied to the above-mentioned display screen detection device, and the method includes the following steps: a display screen is installed in each detection installation frame 6, and the motor 2 is started to make the active bevel gear 3 rotate one circle; each electrical function detection device 12 collects a number of test data, and each test data corresponds to a display screen; the camera 11 collects the display screen image at different angles of each display screen, and the display screen image is used for subsequent appearance detection; the light sensor 13 collects the brightness data of each display screen. After the active bevel gear 3 rotates one circle, the tested display screen is removed and the next round of testing is carried out. Preferably, the installation and removal of the display screen are performed by a manipulator, and the electrical function detection device 12 has its own power supply or is already connected to the power supply.

[0034] For those skilled in the art, although several embodiments and examples of the present invention are described, these embodiments and examples are presented as examples and are not intended to limit the scope of the invention. These new embodiments can be implemented in various other ways, and various omissions, substitutions, and changes can be made without departing from the scope of the subject matter of the invention. These embodiments and their variations are included in the scope and subject matter of the invention, and are included in the invention described in the claims and the scope of their equivalents.

[0035] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A display screen detection device, comprising a frame (1), on which a plurality of electrical function detection devices (12) are mounted, characterized in that: The display screen detection device further comprises a plurality of detection installation frames (6) and a plurality of arc-shaped power rails (9); a display screen plug (8) is fixed at the bottom of the detection installation frame (6); each display screen plug (8) is electrically connected to an arc-shaped power rail (9); each arc-shaped power rail (9) is electrically connected to an electrical function detection device (12); the plurality of arc-shaped power rails (9) are connected to each other at the head and tail to form a ring; the ring is fixedly connected to the frame (1) via a support column (18); the frame (1) is also equipped with a motor (2) and a camera ( 11), a driving bevel gear (3) is coaxially fixedly connected to the output shaft of the motor (2), the center line of the circular ring is colinear with the center line of the driving bevel gear (3), the driving bevel gear (3) is fixedly connected to the detection installation frame (6) through a connecting rod (5), a plurality of the detection installation frames (6) are distributed in a circular array about the center line of the circular ring, the camera (11) is used to collect display screen images at different angles, a light sensor (13) is arranged on the outer side of one of the detection installation frames (6), and the light sensor (13) is used to detect the brightness of the display screen.

2. The display screen detection device according to claim 1, characterized in that: A connection plug (28) is installed at the bottom of each detection installation frame (6), and the connection plug (28) is electrically connected to the display screen plug (8). A socket (27) is slidably connected to each arc-shaped power rail (9), and the socket (27) is connected to the connection plug (28).

3. The display screen detection device according to claim 1, characterized in that: A lifting plate (23) is arranged below the light sensor (13); the motor (2) drives the detection installation frame (6) to rotate and drives the lifting plate (23) to reciprocate in a vertical direction; a through groove (30) and a limit groove (31) are arranged on the surface of the lifting plate (23); a limit block (32) is fixed on the bottom surface of the light sensor (13); the limit block (32) is connected to the limit groove (31) in a sliding manner; the limit block (32) is connected to the outer end surface of the limit groove (31) through a reset spring (33); a through hole (29) is arranged on the light sensor (13); the through hole (29) A vertical guide rod (25) is slidably connected to the inner wall of the vertical guide rod (25), and the vertical guide rod (25) passes through the through groove (30), and the size of the through groove (30) is larger than the size of the through hole (29); the upper and lower ends of the vertical guide rod (25) are fixedly connected to the resistance rod (15), and the upper edges and lower edges of a plurality of detection installation frames (6) are connected by arc-shaped connecting strips (17), and the upper edge, lower edge and side surface of the arc-shaped connecting strip (17) of the detection installation frame (6) are provided with a sliding groove (16), and the resistance rod (15) is inserted into the sliding groove (16), and the resistance rod (15) is connected to the sliding groove (16) in a slidable manner.

4. The display screen detection device according to claim 3, characterized in that: The active bevel gear (3) is meshedly connected with a driven bevel gear (4), the diameter of the active bevel gear (3) is larger than the diameter of the driven bevel gear (4), the frame (1) is connected with a fixed plate (19), the fixed plate (19) is rotatably connected with a rotating shaft (21), the rotating shaft (21) is coaxially and fixedly connected with the driven bevel gear (4), the outer end of the rotating shaft (21) is connected with a disk (20), the edge of the disk (20) is hinged to one end of a movable rod (22), the other end of the movable rod (22) is hinged to a lifting plate (23), the side of the lifting plate (23) is connected with a slider (24), the fixed plate (19) is connected with a vertical slot plate (14), and the slider (24) is connected to the vertical slot plate (14) in a sliding manner.

5. The display screen detection device according to claim 1, characterized in that: Both sides of the detection installation frame (6) are provided with installation grooves (7), and the installation can be completed by sliding the two sides of the display screen along the installation grooves (7). After the installation is completed, the display screen plug (8) is matched and connected with the socket on the display screen.

6. The display screen detection device according to claim 2, characterized in that: Each of the arc-shaped power rails (9) is connected to an electrical function detection device (12) via an electric wire, a wire tube (10) is arranged outside the electric wire, a plurality of arc-shaped power rails (9) are insulated from each other, and the number of the detection installation frame (6), the arc-shaped power rails (9) and the electrical function detection device (12) is the same.

7. A display screen detection method, characterized in that: Applied to the display screen detection device according to claim 1, the method comprises the following steps: A display screen is installed in each detection installation frame (6), and the motor (2) is started to make the active bevel gear (3) rotate one circle; Each electrical function detection device (12) collects a number of test data, each test data corresponds to a display screen; The camera (11) collects display screen images of each display screen at different angles, and the display screen images are used for subsequent appearance inspection; The light sensor (13) collects brightness data of each display screen and performs brightness detection.

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