A side-emitting LED display module detection device

Abstract

The present invention relates to an LED display module detection device, specifically a side-emitting LED display module detection device, comprising a support component, a top-view test component and a side-view test component, the support component comprising a bottom plate, a rotating component mounted on the top of the bottom plate, the rotating component comprising a motor and a rotating disk, the rotating disk being fixed on the output shaft of the motor, an extension component mounted on the top of the bottom plate, the top-view test component mounted on the extension component, an adjustment component mounted on the top of the bottom plate, the side-view test component mounted on the adjustment component, the side-view test component comprising a second housing, a second camera, a second brightness sensor, a second distance sensor and a second color sensor. The present invention tests LED chips that have been uniformly welded, and only needs to replace the bad LED chips. At the same time, it is convenient to detect the side-emitting LED display module, and detects both sides simultaneously, thereby improving the low efficiency of detecting the LED display module.

Description

Technical Field

[0001] The invention relates to an LED display module detection device, in particular to a side-light-emitting LED display module detection device, belonging to the technical field of LED display module detection. Background Art

[0002] LED display module is one of the main components of LED display finished products, mainly composed of LED lamps, PCB circuit boards, driver ICs, resistors, capacitors and plastic kits. According to the different LED packaging devices used, LED display modules are divided into: direct-plug LED display modules, indoor dot matrix LED display modules, and surface-mount LED display modules. LED display modules need to be tested after production.

[0003] Chinese patent number CN111103724A provides an LED backlight module, a display screen and an LED backlight module detection method. Among them, the LED backlight module includes a substrate and a plurality of LED chips arranged on the substrate, characterized in that: a first detection group is set on the substrate for every N LED chips connected in series, wherein N≥0, and the first detection group includes a first positive detection point and a first negative detection point, and the first positive detection point and the first negative detection point are respectively connected to the positive and negative poles of the LED chip. By setting detection points on each LED chip or on a plurality of LED chips connected in series, each LED chip or each group of LED chips connected in series can be lit before the LED chip is packaged, which greatly improves the accuracy of the detection and thus improves the yield of the product.

[0004] However, although the above case can perform lighting detection on each LED chip or each group of LED chips connected in series before LED chip packaging, which greatly improves the detection accuracy, the efficiency is low during welding, and the welded LED chips need to be repeatedly detected. At the same time, it is not convenient to detect the side-emitting LED display module, resulting in low detection efficiency.

[0005] In view of this, the present invention is proposed. Summary of the invention

[0006] The purpose of the present invention is to provide a side-emitting LED display module detection device in order to solve the above-mentioned problem.

[0007] The present invention achieves the above-mentioned purpose through the following technical scheme: a side-emitting LED display module detection device, including a supporting component, a top-view test component and a side-view test component, the supporting component including a base plate, a rotating component installed on the top of the base plate, the rotating component including a motor and a rotating disk, the rotating disk being fixed on the output shaft of the motor, an extending component installed on the top of the base plate, the top-view test component installed on the extending component, an adjusting component installed on the top of the base plate, the side-view test component installed on the adjusting component, the side-view test component including a shell two, a camera two, a brightness sensor two, a distance sensor two and a color sensor two, the camera two, the brightness sensor two, the distance sensor two and the color sensor two are all installed on the shell two.

[0008] Furthermore, the extension assembly includes a fixed plate, an electric telescopic rod and a movable plate, the fixed plate is fixed on a sub-base plate, the electric telescopic rod is installed on one side of the fixed plate, the movable plate is fixed on the output end of the electric telescopic rod, a guide rod is fixed on one side of the movable plate, a guide hole is opened on one side of the fixed plate, and the guide rod is slidably inserted into the guide hole.

[0009] Furthermore, the overhead view test assembly includes a shell 1, inside of which a camera 1, a brightness sensor 1, a distance sensor 1 and a color sensor 1 are installed.

[0010] Furthermore, the adjustment component includes a hollow column and an electric telescopic rod 2, the hollow column is fixed on the bottom plate, the electric telescopic rod 2 is fixed in the hollow column, and a lifting plate is installed at the output end of the electric telescopic rod 2.

[0011] Furthermore, a fixed frame is installed on the top of the lifting plate, an electric telescopic rod three is installed on one side of the fixed frame, a movable plate two is installed on the output shaft of the electric telescopic rod three, and the side view test assembly is installed on one side of the movable plate two.

[0012] Furthermore, guide members are provided on both the lifting plate and the movable plate 2, and the guide members include two guide rods 2 and two guide holes 2. The two guide rods 2 are respectively installed on the bottom of the lifting plate and the other side of the movable plate 2, and the guide holes 2 are opened on the hollow column and the fixed frame.

[0013] Furthermore, a protective shell is installed on the outside of the motor, the protective shell is installed on the bottom plate, and a protective pad is installed on the top of the rotating disk.

[0014] Furthermore, a control component is installed on the top of the base plate, and the control component includes a shell and a controller. The controller is installed in the shell, a display screen is embedded in the front of the controller, and operation buttons are installed on the front of the controller.

[0015] Furthermore, a protective door is rotatably connected to the front of the shell through a hinge, an observation window is arranged on the front of the protective door, and a mounting piece is installed at the bottom of the shell.

[0016] Furthermore, the mounting member includes a support rod and a mounting plate, the top end of the support rod is fixed on the housing, the bottom end of the support rod is fixed on the mounting plate, the mounting plate is mounted on the base plate, and a mounting hole is opened on the top of the mounting plate.

[0017] The technical effects and advantages of the present invention are as follows: (1) by setting up a side-view test component and a top-view test component, the camera in the test component can take pictures of the lit LED display module, and by comparing and screening the images in the controller, it can be determined whether there are damaged LED lamp beads. The brightness sensor is used to detect the brightness of the light emitted by the LED display module. The distance sensor determines the distance from the test component to the LED display module, which is convenient for adjusting the test parameters in the top-view test component or adjusting the distance from the side-view test component to the LED display module, thereby improving the accuracy of the test of the LED display module. The color sensor can detect the color of the light emitted by the LED display module, so that the test device has multiple test functions. The top-view test component and the side-view test component can be used in combination to comprehensively detect the top and sides of the LED display module; (2) by setting up a rotating component, the motor in the rotating component drives the rotating disk to rotate, and the rotation of the rotating disk drives the LED display module to be tested placed on it to rotate. When the LED display module rotates, the extension component and the top-view test component can be used to detect the LED The top of the display module can be fully inspected, and the side light-emitting components of the LED display module can be inspected in conjunction with the adjustment component and the side view test component, which can fully inspect the LED display module and improve the efficiency of the inspection; (3) Through the setting of the extension component, the electric telescopic rod 1 in the extension component drives the moving plate 1 to move, and the movement of the moving plate 1 drives the top view test component on one side to move, and the movement of the top view test component can detect the LED display module horizontally, and in conjunction with the rotation component, the top of the LED display module can be fully inspected; (4) Through the setting of the adjustment component, the electric telescopic rod 2 in the adjustment component drives the lifting plate and the moving plate 2 to rise and fall, and the lifting of the moving plate 2 can drive the side view test component to rise and fall, thereby adjusting the height of the side view test component to meet the requirements of the side light-emitting inspection of LED display modules of different thicknesses, and the electric telescopic rod 3 drives the moving plate 2 to move left and right, and the moving plate 2 to move left and right can drive the side view test component to move left and right, and in conjunction with the distance sensor 2, it can meet the requirements of the side light-emitting position of the rectangular LED display module and improve the practicality of the inspection device. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0019] Figure 2It is a schematic diagram of the structure of the extension assembly of the present invention;

[0020] Figure 3 It is a schematic diagram of the structure of the test assembly of the present invention when viewed from above;

[0021] Figure 4 It is a schematic diagram of the structure of the rotating assembly of the present invention;

[0022] Figure 5 It is a schematic diagram of the structure of the regulating component of the present invention;

[0023] Figure 6 It is a schematic diagram of the structure of the side view test assembly of the present invention;

[0024] Figure 7 It is a schematic diagram of the control component structure of the present invention.

[0025] In the figure: 100, support assembly; 101, bottom plate; 200, rotating assembly; 201, protective shell; 202, motor; 203, rotating disk; 204, protective pad; 300, extension assembly; 301, fixed plate; 302, electric telescopic rod 1; 303, moving plate 1; 304, guide hole 1; 305, guide rod 1; 400, top view test assembly; 401, shell 1; 402, camera 1; 403, brightness sensor 1; 404, distance sensor 1; 405, color sensor 1; 500, adjustment assembly; 501, hollow column; 502, electric telescopic rod 2; 503, lifting plate; 504, fixed frame; 505, electric telescopic rod three; 506, movable plate two; 507, guide piece; 5071, guide hole two; 5072, guide rod two; 600, side view test component; 601, shell two; 602, camera two; 603, brightness sensor two; 604, distance sensor two; 605, color sensor two; 700, control component; 701, shell; 702, controller; 7021, display screen; 7022, control button; 703, protective door; 704, observation window; 705, mounting piece; 7051, support rod; 7052, mounting plate; 7053, mounting hole. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0027] See also Figure 1-7As shown, a side-emitting LED display module detection device includes a support component 100, a top-view test component 400 and a side-view test component 600. The top-view test component 400 and the side-view test component 600 can cooperate to perform a comprehensive test on the top and side of the LED display module. The support component 100 includes a base plate 101. The bottom of the base plate 101 is equipped with support legs, and the support legs can support the base plate 101. The top of the base plate 101 is equipped with a rotating component 200. The rotating component 200 includes a motor 202 and a rotating disk 203. The motor 202 drives the rotating disk 203 to rotate. The rotating disk 203 is fixed on the output shaft of the motor 202. The rotation of 203 drives the LED display module to be tested placed on it to rotate. When the LED display module rotates, the top of the LED display module can be fully tested in cooperation with the extension component 300 and the top view test component 400. At the same time, the side light-emitting components of the LED display module can be tested in cooperation with the adjustment component 500 and the side view test component 600. The LED display module can be fully tested to improve the efficiency of the test. A protective shell 201 is installed on the outside of the motor 202. The protective shell 201 is installed on the bottom plate 101. A protective pad 204 is installed on the top of the rotating disk 203. The protective pad 204 can protect the bottom of the LED display module.

[0028] The top of the bottom plate 101 is provided with an extension assembly 300, and the top view test assembly 400 is installed on the extension assembly 300. The extension assembly 300 includes a fixed plate 301, an electric telescopic rod 1 302 and a mobile plate 1 303. The electric telescopic rod 1 302 drives the mobile plate 1 303 to move. The fixed plate 301 is fixed on the bottom plate 101, and the electric telescopic rod 1 302 is installed on one side of the fixed plate 301. The mobile plate 1 303 is fixed on the output end of the electric telescopic rod 1 302. The mobile plate 1 303 moves and drives the mobile plate 1 303 to move. The top-view test assembly 400 moves, and the top-view test assembly 400 can detect the LED display module horizontally. The top of the LED display module can be fully detected in cooperation with the rotating assembly 200. A guide rod 305 is fixed on one side of the movable plate 303, and a guide hole 304 is opened on one side of the fixed plate 301. The guide rod 305 is slidably inserted in the guide hole 304. The guide rod 305 can guide the movable plate 303 to improve the stability of the movement of the movable plate 303.

[0029] An adjustment component 500 is installed on the top of the base plate 101, and the side view test component 600 is installed on the adjustment component 500. The adjustment component 500 includes a hollow column 501 and an electric telescopic rod 502. The electric telescopic rod 502 drives the lifting plate 503 and the movable plate 506 to rise and fall. The lifting of the movable plate 506 can drive the side view test component 600 to rise and fall, thereby adjusting the height of the side view test component 600 to meet the requirements of side light emission of LED display modules of different thicknesses for detection. The hollow column 501 is fixed on the base plate 101, and the electric telescopic rod 502 is fixed in the hollow column 501. The output end of the electric telescopic rod 502 is installed with a lifting plate 503, and a fixing frame 504 is installed on the top of the lifting plate 503. An electric telescopic rod 3 505 is installed on one side of the fixing frame 504. The electric telescopic rod 3 505 drives the moving plate 2 506 to move left and right. The output shaft of the electric telescopic rod 3 505 is installed with the moving plate 2 506. The moving plate 2 506 moves left and right to drive the side view test assembly 600 to move left and right. In cooperation with the distance sensor 2 604, it can meet the requirements of detecting the side light emitting position of the rectangular LED display module, thereby improving the practicality of the detection device. The side view test assembly 600 is installed on one side of the moving plate 2 506. The lifting plate 503 and the moving plate 2 506 are both provided with guide members 507. The guide members 507 include two guide rods 2 5072 and a guide hole 2 5071. The two guide rods 2 5072 are respectively installed on the bottom of the lifting plate 503 and the other side of the moving plate 2 506. The guide hole 2 5071 is provided on the hollow column 501 and the fixed frame 504.

[0030] The side view test component 600 includes a shell 601, a camera 602, a brightness sensor 603, a distance sensor 604 and a color sensor 605. The camera 602, the brightness sensor 603, the distance sensor 604 and the color sensor 605 are all installed on the shell 601. The top view test component 400 includes a shell 401. The shell 401 is internally installed with a camera 402, a brightness sensor 403, a distance sensor 404 and a color sensor 405. The camera can take pictures of the lit LED display module and compare and screen the images in the controller 702 to see if there are any damaged LED lamp beads. The brightness sensor is used to detect the brightness of the light emitted by the LED display module. The distance sensor determines the distance from the test component to the LED display module, which is convenient for adjusting the test parameters in the top view test component 400 or adjusting the distance from the side view test component 600 to the LED display module, thereby improving the accuracy of the test of the LED display module. The color sensor can detect the color of the light emitted by the LED display module, so that the test device has multiple test functions.

[0031] As a technical optimization scheme of the present invention, a control component 700 is installed on the top of the base plate 101. The control component 700 includes a shell 701 and a controller 702. The controller 702 is installed in the shell 701. A display screen 7021 is embedded in the front of the controller 702. The display screen 7021 can display the working status of the test device. A control button 7022 is installed on the front of the controller 702. The control button 7022 is convenient for setting parameters. The front of the shell 701 is connected to a protective door 703 by hinge rotation. An observation window 704 is provided on the front of the protective door 703. A mounting member 705 is installed at the bottom of the shell 701. The mounting member 705 includes a support rod 7051 and a mounting plate 7052. The top end of the support rod 7051 is fixed on the shell 701, and the bottom end of the support rod 7051 is fixed on the mounting plate 7052. The mounting plate 7052 is installed on the base plate 101, and a mounting hole 7053 is opened on the top of the mounting plate 7052.

[0032] When the present invention is in use, the bottom plate 101 is placed at a designated position, and the LED display module is placed on the rotating disk 203. The protective pad 204 used on the rotating disk 203 protects the bottom of the LED display module. When the top and side of the LED display module are detected, the electric telescopic rod 302 is started, and the electric telescopic rod 302 drives the moving plate 303 to move. The movement of the moving plate 303 drives the overhead test component 400 on one side to move. The overhead test component 400 moves horizontally to detect the LED display module. The top of the LED display module can be fully detected in conjunction with the rotating component 200. The electric telescopic rod 502 is started, and the electric telescopic rod 502 drives the moving plate 303 to move. The second rod 502 drives the lifting plate 503 and the second moving plate 506 to move up and down, and the lifting of the second moving plate 506 drives the side view test assembly 600 to move up and down, so as to adjust the height of the side view test assembly 600 to meet the requirements of the side light emission of LED display modules of different thicknesses for detection. The third electric telescopic rod 505 drives the second moving plate 506 to move left and right, and the left and right movement of the second moving plate 506 can drive the side view test assembly 600 to move left and right, and cooperate with the second distance sensor 604 to meet the requirements of the side light emission position of the rectangular LED display module, thereby improving the practicality of the detection device. The side view test assembly 600 and the top view test assembly 400 are started, and the camera in the test assembly is on the lit LED The display module is photographed, and the image comparison in the controller 702 is used to screen whether there are damaged LED lamp beads. The brightness sensor is used to detect the brightness of the light emitted by the LED display module. The distance sensor determines the distance from the test component to the LED display module, which is convenient for adjusting the test parameters in the top-view test component 400 or adjusting the distance from the side-view test component 600 to the LED display module, thereby improving the accuracy of the LED display module test. The color sensor can detect the color of the light emitted by the LED display module, so that the test device has multiple test functions. The top and side of the LED display module can be tested by using the top-view test component 400 and the side-view test component 600. During the comprehensive inspection, the motor 202 is started at the same time. The motor 202 drives the rotating disk 203 to rotate. The rotation of the rotating disk 203 drives the LED display module to be inspected placed on it to rotate. When the LED display module rotates, the extension component 300 and the top-view test component 400 are used to comprehensively inspect the top of the LED display module. At the same time, the adjustment component 500 and the side-view test component 600 are used to inspect the side light-emitting components of the LED display module. The LED display module is comprehensively inspected to improve the efficiency of the inspection. Parameters are set through the control button 7022 on the controller 702. At the same time, the display screen 7021 can display the working status of the test device.

[0033] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

[0034] 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 side-emitting LED display module detection device, comprising a support assembly (100), a top-view test assembly (400) and a side-view test assembly (600), characterized in that: The support assembly (100) comprises a base plate (101), a rotating assembly (200) is mounted on the top of the base plate (101), the rotating assembly (200) comprises a motor (202) and a rotating disk (203), the rotating disk (203) is fixed on the output shaft of the motor (202), an extension assembly (300) is mounted on the top of the base plate (101), the top-view test assembly (400) is mounted on the extension assembly (300), and a An adjustment component (500), wherein the side view test component (600) is mounted on the adjustment component (500), wherein the side view test component (600) comprises a second housing (601), a second camera (602), a second brightness sensor (603), a second distance sensor (604) and a second color sensor (605), wherein the second camera (602), the second brightness sensor (603), the second distance sensor (604) and the second color sensor (605) are all mounted on the second housing (601); The extension assembly (300) comprises a fixed plate (301), an electric telescopic rod (302) and a movable plate (303); the fixed plate (301) is fixed on a sub-base plate (101); the electric telescopic rod (302) is mounted on one side of the fixed plate (301); the movable plate (303) is fixed to an output end of the electric telescopic rod (302); a guide rod (305) is fixed on one side of the movable plate (303); a guide hole (304) is opened on one side of the fixed plate (301); the guide rod (305) is slidably inserted into the guide hole (304); The adjustment assembly (500) comprises a hollow column (501) and a second electric telescopic rod (502); the hollow column (501) is fixed on a bottom plate (101); the second electric telescopic rod (502) is fixed in the hollow column (501); and a lifting plate (503) is installed at the output end of the second electric telescopic rod (502).

2. A side-emitting LED display module detection device according to claim 1, characterized in that: The top-view test assembly (400) comprises a shell one (401), inside of which a camera one (402), a brightness sensor one (403), a distance sensor one (404) and a color sensor one (405) are installed.

3. The side-emitting LED display module detection device according to claim 1, characterized in that: A fixing frame (504) is installed on the top of the lifting plate (503), an electric telescopic rod three (505) is installed on one side of the fixing frame (504), a movable plate two (506) is installed on the output shaft of the electric telescopic rod three (505), and the side view test assembly (600) is installed on one side of the movable plate two (506).

4. A side-emitting LED display module detection device according to claim 3, characterized in that: The lifting plate (503) and the second movable plate (506) are both provided with guide members (507), and the guide members (507) include two second guide rods (5072) and a second guide hole (5071). The two second guide rods (5072) are respectively installed at the bottom of the lifting plate (503) and the other side of the second movable plate (506), and the second guide hole (5071) is opened on the hollow column (501) and the fixing frame (504).

5. The side-emitting LED display module detection device according to claim 1, characterized in that: A protective shell (201) is installed on the outside of the motor (202), the protective shell (201) is installed on the bottom plate (101), and a protective pad (204) is installed on the top of the rotating disk (203).

6. The side-emitting LED display module detection device according to claim 1, characterized in that: A control component (700) is installed on the top of the base plate (101), the control component (700) comprising a housing (701) and a controller (702), the controller (702) being installed in the housing (701), a display screen (7021) being embedded in the front of the controller (702), and a control button (7022) being installed on the front of the controller (702).

7. A side-emitting LED display module detection device according to claim 6, characterized in that: The front of the housing (701) is rotatably connected to a protective door (703) via a hinge, an observation window (704) is provided on the front of the protective door (703), and a mounting member (705) is installed at the bottom of the housing (701).

8. A side-emitting LED display module detection device according to claim 7, characterized in that: The mounting member (705) comprises a support rod (7051) and a mounting plate (7052); the top end of the support rod (7051) is fixed to the housing (701); the bottom end of the support rod (7051) is fixed to the mounting plate (7052); the mounting plate (7052) is mounted on the bottom plate (101); and a mounting hole (7053) is formed on the top of the mounting plate (7052).

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