LED screen production detection device with protection function

By designing an LED screen detection device including a frame, a movable plate, a protective plate, an extrusion plate and a hydraulic cylinder, the problem of inability to conduct all-round inspection in the prior art is solved, and the full positioning and detection of the LED screen is realized to ensure product quality.

CN223244714UActive Publication Date: 2025-08-19SHANXI HONGLI TECH CO LTD
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Patent Information

Application Number
CN202421967839.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-14
Publication Date
2025-08-19
Estimated Expiration
2034-08-14

AI Technical Summary

Technical Problem

During the existing LED screen production process, all products cannot be fully tested, resulting in defective products entering the market and bringing bad experience to users.

Method used

A detection device including a frame, movable plate, protective plate, extrusion plate, hydraulic cylinder and detection rod is designed. Through the coordinated positioning of the movable plate and extrusion plate, the hydraulic cylinder drives the detection rod to lift and lower, achieving all-round detection of the LED screen.

Benefits of technology

It realizes all-round positioning and inspection of LED screens, ensures that all products are of qualified quality, avoids defective products entering the market, and improves user experience.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of LED screens, and provides an LED screen production detection device with a protection function, which comprises a rack, the top of the rack is provided with a guide hole, a movable plate with a T-shaped cross section is slidably mounted in the guide hole, the center of one side of the movable plate is provided with a screw hole, and the screw hole is connected with the guide hole. A screw column is mounted in the screw hole in a threaded manner; a to-be-detected piece is placed on the top of a supporting plate, the supporting plate makes contact with the to-be-detected piece, then a transverse rod penetrates through a round hole in a protection plate, the transverse rod is matched with a reset spring, the reset spring makes contact with an extrusion plate, the extrusion plate slides in a limiting hole, and the extrusion plate makes contact with the to-be-detected piece under the action of acting force; a to-be-detected piece can be positioned and installed, a first screw is manually rotated according to the change of the to-be-detected piece, the first screw advances in a threaded mode and drives a push plate to slide in a transverse hole, the push plate is attached to the side face of the to-be-detected piece, and the limiting effect is achieved.
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Description

Technical Field

[0001] The utility model relates to the field of LED screens, and in particular to a detection device for LED screen production with a protective function. Background Art

[0002] LED screens are a new type of electronic imaging device made from sequentially arranged light-emitting diodes. Due to their high brightness, wide viewing angles, and long lifespan, they are being widely used in products such as outdoor advertising screens. The use of LED light sources for lighting will initially replace power-hungry incandescent lamps and then gradually expand into the entire lighting market, saving significant amounts of electricity. Recently, single white LEDs have reached power consumption exceeding 1 watt and light output of 25 lumens, further increasing their practicality.

[0003] Existing LED screens generally conduct sampling inspections on the same batch of products after production, which makes it impossible to effectively and conveniently test the quality of all LED screens. As a result, defective products mixed in flow into the market, bringing a bad experience to users.

[0004] Therefore, it is necessary to provide a detection device for LED screen production with a protective function to solve the above technical problems. Utility Model Content

[0005] The utility model provides a detection device for LED screen production with a protective function, which solves the problem that the existing LED screens generally conduct sampling inspections on the same batch of products after production, and cannot effectively and conveniently detect the quality of all LED screens, resulting in defective products mixed in and flowing into the market, bringing a bad experience to users.

[0006] In order to solve the above technical problems, the utility model provides a detection device for LED screen production with a protective function, comprising a frame, a guide hole is provided on the top of the frame, a movable plate with a T-shaped cross-section is slidably installed inside the guide hole, a wire hole is provided at the center of one side of the movable plate, a wire column is installed on the internal thread of the wire hole, a working motor is installed on the input end of the wire column, both ends of the top of the movable plate are fixedly connected with a protective plate, a limiting hole is provided through one side of the protective plate, an extrusion plate is slidably connected inside the limiting hole, the upper corner of the outer wall of the extrusion plate is set as a rounded corner, circular holes are symmetrically provided inside the protective plate, a cross bar fixedly connected to the extrusion plate is slidably installed inside the circular hole, and a return spring in contact with the cross bar is provided.

[0007] Preferably, a rectangular hole is opened at the center of the top of the movable plate, a support plate is mounted inside the rectangular hole, and the support plate is lifted and displaced so that the part to be detected is mounted between the two extrusion plates.

[0008] Preferably, a gantry plate is fixedly connected to the top of the frame, a vertical hole is penetrated through one side of the outer wall of the gantry plate, a lifting plate is slidably installed above the vertical hole and located above the frame, and the lifting plate and the gantry plate are connected by a hydraulic cylinder.

[0009] Preferably, a battery panel is provided on one side of the lifting plate, and a detection rod for detecting the quality of the LED screen is electrically connected to the bottom of the battery panel.

[0010] Preferably, a C-shaped plate is fixedly connected to one side of the outer wall of the lifting plate and located below the battery panel, and a card hole adapted to the detection rod is opened on one side of the C-shaped plate. A hollow plate is symmetrically installed on one side of the C-shaped plate, and a positioning plate that fits the side of the detection rod is slidably installed inside the hollow plate.

[0011] Preferably, a transverse hole is symmetrically opened at one end of the top of the frame, a push plate is slidably installed inside the transverse hole and on the upper surface of the frame, and a first screw is rotatably installed at one end of the push plate, and the first screw thread passes through the frame.

[0012] Compared with related technologies, the LED screen production detection device with protective function provided by the present invention has the following beneficial effects:

[0013] The beneficial effects of the utility model are as follows: the product places the piece to be detected on the top of the support plate, the support plate contacts the piece to be detected, and then the cross bar passes through the circular hole inside the protective plate. The cross bar cooperates with the reset spring, the reset spring contacts the extrusion plate, and the extrusion plate slides inside the limiting hole. The extrusion plate contacts the piece to be detected under the action of the force, so that the piece to be detected can be positioned and installed, and the first screw is manually rotated according to the changes of the piece to be detected. The first screw advances in thread, and the first screw drives the push plate to slide inside the cross hole. The push plate fits against the side of the piece to be detected to play a limiting role, making it convenient for users to use this device. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a structural schematic diagram of a preferred embodiment of a detection device for LED screen production with a protective function provided by the present invention;

[0015] Figure 2 for Figure 1 Schematic diagram of the explosion structure of the movable plate shown;

[0016] Figure 3 for Figure 1 Schematic diagram of the battery panel structure shown.

[0017] In the figure: 1. Frame; 2. Guide hole; 3. Movable plate; 4. Screw column; 5. Protective plate; 6. Limit hole; 7. Extrusion plate; 8. Cross bar; 9. Return spring; 10. Rectangular hole; 11. Support plate; 12. First screw; 13. Gantry plate; 14. Lifting plate; 15. Battery plate; 16. C-type plate; 17. Detection rod; 18. Hollow plate; 19. Positioning plate; 20. Cross hole; 21. Push plate. DETAILED DESCRIPTION

[0018] The present invention will be further described below with reference to the accompanying drawings and implementation examples.

[0019] Please refer to Figure 1 、 Figure 2 and Figure 3 ,in Figure 1 This is a structural schematic diagram of a preferred embodiment of a detection device for LED screen production with a protective function provided by the present invention; Figure 2 for Figure 1 Schematic diagram of the explosion structure of the movable plate shown; Figure 3 for Figure 1 The schematic diagram of the battery panel structure shown is a detection device for the production of LED screens with a protective function, comprising a frame 1, a guide hole 2 is provided on the top of the frame 1, a movable plate 3 with a T-shaped cross-section is slidably installed inside the guide hole 2, a wire hole is provided at the center of one side of the movable plate 3, a wire column 4 is installed on the internal thread of the wire hole, a working motor is installed on the input end of the wire column 4, and a protective plate 5 is fixedly connected to both ends of the top of the movable plate 3, a limiting hole 6 is provided through one side of the protective plate 5, an extrusion plate 7 is slidably connected to the inside of the limiting hole 6, the upper corner of the outer wall of the extrusion plate 7 is set as a rounded corner, and circular holes are symmetrically provided inside the protective plate 5, a cross bar 8 fixedly connected to the extrusion plate 7 is slidably installed inside the circular hole, and a return spring 9 in contact with the extrusion plate 7 is sleeved on the outer side of the cross bar 8.

[0020] When it is necessary to position and protect the part to be detected, the part to be detected is placed on the top of the support plate 11, and the support plate 11 contacts the part to be detected. Then the cross bar 8 passes through the circular hole inside the protective plate 5. The cross bar 8 cooperates with the reset spring 9, and the reset spring 9 contacts the extrusion plate 7. The extrusion plate 7 slides inside the limiting hole 6. The extrusion plate 7 contacts the part to be detected under the action of the force, so that the part to be detected can be positioned and installed.

[0021] A rectangular hole 10 is opened at the center of the top of the movable plate 3, and a support plate 11 is mounted inside the rectangular hole 10. The support plate 11 is lifted up and displaced, and a piece to be detected is mounted between the two extrusion plates 7.

[0022] A support plate 11 is installed under the action of the rectangular hole 10 , and the support plate 11 contacts the bottom center of the to-be-detected piece to provide support capability.

[0023] A gantry plate 13 is fixedly connected to the top of the frame 1, and a vertical hole is opened on one side of the outer wall of the gantry plate 13. A lifting plate 14 is slidably installed above the vertical hole and located above the frame 1. The lifting plate 14 is connected to the gantry plate 13 through a hydraulic cylinder.

[0024] The hydraulic cylinder is started, and the hydraulic cylinder drives the lifting plate 14 to perform lifting motion inside the vertical hole, providing basic kinetic energy for the lifting motion of the detection rod 17.

[0025] A battery panel 15 is provided on one side of the lifting plate 14 , and a detection rod 17 for detecting the quality of the LED screen is electrically connected to the bottom of the battery panel 15 .

[0026] The detection rod 17 for detecting the quality of the LED screen is an electrified plug-in rod. The detection rod 17 is driven to move up and down by the battery panel 15. The detection rod 17 is adapted to the socket on the top of the part to be detected, thereby conveniently powering on the LED screen. If the LED screen turns on normally, the screen quality is intact. If the LED screen cannot start, the screen is damaged.

[0027] A C-shaped plate 16 is fixedly connected to one side of the outer wall of the lifting plate 14 and located below the battery panel 15. A card hole adapted to the detection rod 17 is opened on one side of the C-shaped plate 16. A hollow plate 18 is symmetrically installed on one side of the C-shaped plate 16. A positioning plate 19 that fits the side of the detection rod 17 is slidably installed inside the hollow plate 18.

[0028] The battery panel 15 is installed under the action of the lifting plate 14, and the battery panel 15 drives the detection rod 17 to move. At the same time, the positioning plate 19 is installed under the action of the hollow plate 18. The positioning plate 19 fits the side of the detection rod 17, making it convenient for users to disassemble and assemble the detection rod 17.

[0029] A transverse hole 20 is symmetrically opened at one end of the top of the frame 1, and a push plate 21 is slidably installed inside the transverse hole 20 and on the upper surface of the frame 1. A first screw 12 is rotatably installed at one end of the push plate 21, and the first screw 12 threadedly penetrates the frame 1.

[0030] Since the specifications of the workpiece to be inspected may change, the first screw 12 is manually rotated, and the first screw 12 advances in thread. The first screw 12 drives the push plate 21 to slide inside the transverse hole 20. The push plate 21 fits against the side of the workpiece to be inspected and plays a limiting role.

[0031] The working principle of the detection device for LED screen production with protection function provided by the utility model is as follows;

[0032] Step 1: Manually rotate the first screw 12 according to the changes of the workpiece to be detected. The first screw 12 advances in thread. The first screw 12 drives the push plate 21 to slide inside the horizontal hole 20. The push plate 21 fits against the side of the workpiece to be detected and plays a limiting role.

[0033] Step 2: Install the support plate 11 under the action of the rectangular hole 10. The support plate 11 contacts the bottom center of the to-be-detected piece to provide support capability.

[0034] Step 3: When it is necessary to position and protect the part to be detected, place the part to be detected on top of the support plate 11, and the support plate 11 contacts the part to be detected. Then, make the cross bar 8 pass through the circular hole inside the protective plate 5. The cross bar 8 cooperates with the reset spring 9, and the reset spring 9 contacts the extrusion plate 7. The extrusion plate 7 slides inside the limiting hole 6. The extrusion plate 7 contacts the part to be detected under the action of the force, so that the part to be detected can be positioned and installed.

[0035] Step 4: Start the hydraulic cylinder, which drives the lifting plate 14 to move up and down inside the vertical hole, providing basic kinetic energy for the lifting movement of the detection rod 17. The battery panel 15 drives the detection rod 17 to move up and down. The detection rod 17 is adapted to the socket on the top of the part to be detected, which is convenient for detecting the quality of the LED screen.

[0036] Compared with related technologies, the LED screen production detection device with protective function provided by the present invention has the following beneficial effects:

[0037] This product places the piece to be detected on the top of the support plate 11, the support plate 11 contacts the piece to be detected, and then the cross bar 8 passes through the circular hole inside the protective plate 5. The cross bar 8 cooperates with the reset spring 9, the reset spring 9 contacts the extrusion plate 7, the extrusion plate 7 slides inside the limiting hole 6, and the extrusion plate 7 contacts the piece to be detected under the action of the force, so that the piece to be detected can be positioned and installed, and the first screw rod 12 is manually rotated according to the changes of the piece to be detected. The first screw rod 12 advances in thread, and the first screw 12 drives the push plate 21 to slide inside the horizontal hole 20. The push plate 21 fits against the side of the piece to be detected to play a limiting role, making it convenient for users to use this device.

[0038] The above description is merely an embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the description and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A detection device for LED screen production with a protective function, comprising a frame (1), characterized in that: A guide hole (2) is provided on the top of the frame (1), and a movable plate (3) with a T-shaped cross-section is slidably installed inside the guide hole (2), a thread hole is provided at the center of one side of the movable plate (3), a threaded column (4) is installed on the internal thread of the thread hole, and a working motor is installed on the input end of the threaded column (4), and a protective plate (5) is fixedly connected to both ends of the top of the movable plate (3), a limiting hole (6) is provided through one side of the protective plate (5), and an extrusion plate (7) is slidably connected inside the limiting hole (6), and the upper corner of the outer wall of the extrusion plate (7) is set as a rounded corner, and the inside of the protective plate (5) is symmetrically provided with circular holes, and a cross bar (8) fixedly connected to the extrusion plate (7) is slidably installed inside the circular hole, and a return spring (9) in contact with the extrusion plate (7) is sleeved on the outer side of the cross bar (8).

2. A detection device for LED screen production with a protective function according to claim 1, characterized in that: A rectangular hole (10) is provided at the center of the top of the movable plate (3), a support plate (11) is mounted in the interior of the rectangular hole (10), and a piece to be detected is mounted between the two extrusion plates (7) that are lifted and displaced by the support plate (11).

3. The detection device for LED screen production with a protective function according to claim 2, characterized in that: A gantry plate (13) is fixedly connected to the top of the frame (1), a vertical hole is penetrated through one side of the outer wall of the gantry plate (13), a lifting plate (14) is slidably installed above the vertical hole and located above the frame (1), and the lifting plate (14) is connected to the gantry plate (13) via a hydraulic cylinder.

4. The detection device for LED screen production with a protective function according to claim 3, characterized in that: A battery panel (15) is provided on one side of the lifting plate (14), and a detection rod (17) for detecting the quality of the LED screen is electrically connected to the bottom of the battery panel (15).

5. The detection device for LED screen production with a protective function according to claim 4, characterized in that: A C-shaped plate (16) is fixedly connected to one side of the outer wall of the lifting plate (14) and located below the battery plate (15); a clamping hole adapted to the detection rod (17) is provided on one side of the C-shaped plate (16); a hollow plate (18) is symmetrically installed on one side of the C-shaped plate (16); a positioning plate (19) adapted to the side of the detection rod (17) is slidably installed inside the hollow plate (18).

6. The detection device for LED screen production with a protective function according to claim 5, characterized in that: A transverse hole (20) is symmetrically provided at one end of the top of the frame (1), a push plate (21) is slidably mounted inside the transverse hole (20) and on the upper surface of the frame (1), a first screw rod (12) is rotatably mounted at one end of the push plate (21), and the first screw rod (12) is threadedly passed through the frame (1).