Common-cathode energy-saving LED display screen

By incorporating an adjustment slot, motor, and rotating plate structure into the frame of the common-cathode energy-saving LED display screen, the problem of poor heat dissipation was solved, achieving efficient heat dissipation and protection functions.

CN224164039UActive Publication Date: 2026-04-24WUHAN QICAI PHOTOELECTRIC TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
WUHAN QICAI PHOTOELECTRIC TECH CO LTD
Filing Date
2025-04-12
Publication Date
2026-04-24

AI Technical Summary

Technical Problem

The heat dissipation performance of existing common-cathode energy-saving LED displays needs to be improved.

Method used

An adjustment groove is set on the frame of the LED display screen, with an embedded motor and rotating shaft. The motor drives the rotating plate to rotate to introduce external air for heat dissipation, and a filter plate prevents external objects and rainwater from entering.

Benefits of technology

It achieves effective heat dissipation in high-temperature weather, prevents external objects and rainwater from entering the frame, and improves heat dissipation efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of LED display screens, in particular to a common-cathode energy-saving LED display screen which comprises a frame, an LED display screen body is fixedly connected to one side of the frame, adjusting grooves are formed in the edges of the frame, motors are fixedly connected to the interiors of the adjusting grooves, the output ends of the motors are fixedly connected with rotating shafts, and the rotating shafts are fixedly connected with the LED display screen body. The end of the rotating shaft is fixedly connected with a bearing, the outer surface of the rotating shaft is fixedly connected with a rotating plate, and the outer side, close to the adjusting groove, of the frame is fixedly connected with a filter plate. Compared with the prior art, the LED display screen has the advantages that in high-temperature weather, the motor can be started to enable the rotating plate to rotate by 90 degrees, external wind can enter the frame through the adjusting groove at the moment so as to dissipate heat of the LED display screen, the filter plate can shield the outer side of the adjusting groove so as to prevent external articles from entering the adjusting groove, the angle of the filter plate can be reset in rainy days, and the LED display screen is prevented from being damaged. And the two filter plates can shield the adjusting groove, so that rainwater is prevented from entering the interior of the frame.
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Description

Technical Field

[0001] This utility model relates to the field of LED display technology, and in particular to a common cathode energy-saving LED display. Background Technology

[0002] With the improvement of common-cathode energy-saving LED display manufacturing technology, common-cathode energy-saving LED displays have the characteristics of high refresh rate, high grayscale, high brightness utilization, no afterimage, low power consumption, and low EMI. They are non-reflective in indoor applications, lightweight and ultra-thin, high precision, occupy little transportation and usage space, are quiet and have efficient heat dissipation. They are widely used in security monitoring, command centers, high-end conference rooms, high-end hotels and other scenarios.

[0003] A common-cathode energy-saving LED display screen is disclosed in Chinese Patent CN212010207U. Research on existing technologies and the aforementioned patent reveals that the heat dissipation performance of current LED displays needs improvement. Therefore, this utility model proposes a common-cathode energy-saving LED display screen. Utility Model Content

[0004] The purpose of this invention is to at least solve one of the aforementioned technical defects.

[0005] The purpose of this utility model is to overcome the shortcomings of the prior art, solve the problems mentioned in the background art, and provide a common cathode energy-saving LED display screen.

[0006] The purpose of this utility model is achieved through the following technical solution: a common cathode energy-saving LED display screen, including a frame, an LED display screen is fixedly connected to one side of the frame, an adjustment groove is provided at each edge of the frame, a motor is fixedly connected inside the adjustment groove, a rotating shaft is fixedly connected to the output end of the motor, a bearing is fixedly connected to the end of the rotating shaft, a rotating plate is fixedly connected to the outer surface of the rotating shaft, and a filter plate is fixedly connected to the outer side of the frame near the adjustment groove.

[0007] Preferably, each of the four sides of the frame is provided with an adjustment groove, and each side of the frame is provided with two adjustment grooves. The adjustment grooves are rectangular grooves and are through grooves.

[0008] By adopting the above technical solution, the setting of the adjustment groove allows for ventilation and heat dissipation on all four sides of the frame.

[0009] Preferably, the motor is a servo motor, and two motors are installed inside the adjustment slot, with the dimensions of the two rotating plates matching the dimensions of the adjustment slot.

[0010] By adopting the above technical solution, starting the motor can control the rotation of the rotating plate.

[0011] Preferably, one end of the rotating shaft is welded to the output end of the motor, the other end of the rotating shaft is welded to the bearing, the length of the rotating shaft is greater than the length of the rotating plate, and the bearing is embedded in the frame.

[0012] By adopting the above technical solution, the bearing configuration can make the rotation of the rotating plate more stable.

[0013] Preferably, the filter plate is a rectangular plate with a thickness of two millimeters, and the size of the filter plate is adapted to the size of the adjustment groove.

[0014] By adopting the above technical solution, the filter plate can block the outside of the regulating groove, preventing external objects from entering the interior of the regulating groove.

[0015] Preferably, the frame is a rectangular frame, and the thickness of the frame is greater than the depth of the adjustment groove.

[0016] By adopting the above technical solution, the frame is connected to the wall, and the LED display screen can be installed on the frame.

[0017] Compared with the prior art, the present invention has the following advantages:

[0018] This common-cathode energy-saving LED display screen features a rotating plate. A rotating shaft is fixedly connected to the output end of a motor, and a bearing is fixedly connected to the end of the shaft. A rotating plate is fixedly connected to the outer surface of the shaft. A filter plate is fixedly connected to the outer side of the frame near the adjustment groove. In hot weather, the motor can be started to rotate the rotating plate 90 degrees. At this time, outside wind can enter the interior of the frame through the adjustment groove, thereby dissipating heat from the LED display screen. The filter plate can shield the outside of the adjustment groove, preventing external objects from entering the interior. In rainy weather, the angle of the filter plate can be reset. The two filter plates can shield the adjustment groove, preventing rainwater from entering the interior of the frame. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the structure of this utility model;

[0020] Figure 2 This is a schematic diagram of the structure of the rotating plate of this utility model;

[0021] Figure 3 This utility model Figure 1 Internal structure diagram at point A;

[0022] Figure 4 This utility model Figure 1 A schematic diagram of the internal structure at point B.

[0023] In the diagram: 1-Frame, 2-LED display screen, 3-Adjustment groove, 4-Motor, 5-Shaft, 6-Bearing, 7-Rotating plate, 8-Filter plate. Detailed Implementation

[0024] Additional aspects and advantages of this invention will be further set forth in the description which follows in conjunction with the accompanying drawings, and in part will be obvious from the description or may be learned by practice of the invention.

[0025] like Figure 1-4 As shown, a common cathode energy-saving LED display screen includes a frame 1, an LED display screen 2 installed on one side of the frame 1, adjustment grooves 3 are provided on the edges of the frame 1, a motor 4 is embedded in the adjustment groove 3, a rotating shaft 5 is embedded in the output end of the motor 4, a bearing 6 is welded to the end of the rotating shaft 5, a rotating plate 7 is welded to the outer surface of the rotating shaft 5, and a filter plate 8 is welded to the outer side of the frame 1 near the adjustment groove 3.

[0026] With the above settings, when the weather is hot, the motor 4 can be started to make the rotating plate 7 rotate 90 degrees. At this time, the outside wind can enter the interior of the frame 1 through the adjustment groove 3, thereby dissipating heat from the LED display screen 2. The filter plate 8 can block the outside of the adjustment groove 3 to prevent external objects from entering the interior of the adjustment groove 3. In rainy weather, the angle of the filter plate 8 can be reset. The two filter plates 8 can block the adjustment groove 3 to prevent rainwater from entering the interior of the frame 1.

[0027] As a preferred technical solution of this utility model, adjustment grooves 3 are provided on all four sides of the frame 1. Each side of the frame 1 has two adjustment grooves 3. The adjustment grooves 3 are rectangular grooves and are through grooves.

[0028] As a preferred technical solution of this utility model, the motor 4 is a servo motor, and two motors 4 are installed inside the adjustment groove 3. The dimensions of the two rotating plates 7 are adapted to the dimensions of the adjustment groove 3.

[0029] As a preferred technical solution of this utility model, one end of the rotating shaft 5 is welded to the output end of the motor 4, and the other end of the rotating shaft 5 is welded to the bearing 6. The length of the rotating shaft 5 is greater than the length of the rotating plate 7, and the bearing 6 is embedded in the frame 1.

[0030] As a preferred technical solution of this utility model, the filter plate 8 is a rectangular plate with a thickness of two millimeters, and the size of the filter plate 8 is adapted to the size of the adjustment groove 3.

[0031] As a preferred technical solution of this utility model, the frame 1 is a rectangular frame, and the thickness of the frame 1 is greater than the depth of the adjustment groove 3.

[0032] The working process of this utility model is as follows:

[0033] S1. When the weather is hot, the motor 4 can be started to make the rotating plate 7 rotate 90 degrees. At this time, the outside wind can enter the interior of the frame 1 through the adjustment slot 3, thereby dissipating heat from the LED display screen 2.

[0034] S2, the filter plate 8 can block the outside of the regulating groove 3 to prevent external objects from entering the interior of the regulating groove 3;

[0035] S3. The angle of the filter plate 8 can be reset in rainy weather. The two filter plates 8 can block the adjustment groove 3 to prevent rainwater from entering the interior of the frame 1.

[0036] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0037] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A common-cathode energy-saving LED display screen, characterized in that: The frame (1) includes an LED display screen (2) fixedly connected to one side of the frame (1). Adjustment grooves (3) are provided at the edges of the frame (1). A motor (4) is fixedly connected inside the adjustment groove (3). A rotating shaft (5) is fixedly connected to the output end of the motor (4). A bearing (6) is fixedly connected to the end of the rotating shaft (5). A rotating plate (7) is fixedly connected to the outer surface of the rotating shaft (5). A filter plate (8) is fixedly connected to the outer side of the frame (1) near the adjustment groove (3).

2. The common-cathode energy-saving LED display screen according to claim 1, characterized in that: The four sides of the frame (1) are provided with adjustment grooves (3), and each side of the frame (1) is provided with two adjustment grooves (3). The adjustment grooves (3) are rectangular grooves and through grooves.

3. The common-cathode energy-saving LED display screen according to claim 1, characterized in that: The motor (4) is a servo motor. Two motors (4) are installed inside the adjustment slot (3). The dimensions of the two rotating plates (7) are adapted to the dimensions of the adjustment slot (3).

4. The common-cathode energy-saving LED display screen according to claim 1, characterized in that: One end of the rotating shaft (5) is welded to the output end of the motor (4), and the other end of the rotating shaft (5) is welded to the bearing (6). The length of the rotating shaft (5) is greater than the length of the rotating plate (7), and the bearing (6) is embedded in the inside of the frame (1).

5. The common-cathode energy-saving LED display screen according to claim 1, characterized in that: The filter plate (8) is a rectangular plate with a thickness of two millimeters. The size of the filter plate (8) is adapted to the size of the adjustment groove (3).

6. The common-cathode energy-saving LED display screen according to claim 1, characterized in that: The frame (1) is a rectangular frame, and the thickness of the frame (1) is greater than the depth of the adjustment groove (3).

Citation Information

Patent Citations

  • Common-cathode energy-saving LED display screen

    CN212010207U