LED display board

Abstract

The utility model provides an LED display board which comprises a panel frame of a disc structure, the panel frame is of a transparent plate structure, a first round through hole is formed in the middle of the panel frame, a first concave groove is formed in the rear side of the panel frame, a light bar with the single side emitting light is placed in the first groove, and a positioning frame of a circular ring structure is pasted to the rear side of the panel frame. An LED screen of a circular structure is inserted into the rear side of the positioning frame, a light shading piece is arranged between the LED screen and the panel frame and covers the light bars and the LED screen, a rear shell is inserted into the rear side of the LED screen, and a control module and a power module are installed in the rear shell. According to the LED display board, the lamp board body is reconstructed to be of a circular structure, annular stress distribution is achieved, the acute-angle-free design enables the falling breakage rate to be reduced, the service life of the display board is effectively guaranteed, meanwhile, the display board is simple and convenient to assemble and rapid to install, the base is in a detachable mode, a handle is further arranged on the rear side of the rear shell, and the display board is convenient to use. And the display board can be suitable for different use scenes.

Description

Technical Field

[0001] This utility model relates to the field of electronic display board technology, specifically an LED display board. Background Technology

[0002] LED lights have advantages such as rich colors, small size, and energy saving, so they are widely used in advertising signage, such as letter lights, signs and advertising light boxes. The assembly structure of traditional LED handheld light signs or billboards is not simple enough. In addition, current display boards usually only use a single flat screen to convey information, lacking multi-dimensional visual enhancement methods. Utility Model Content

[0003] The purpose of this utility model is to provide an LED display board to solve the technical problems in the background art.

[0004] To achieve the aforementioned objectives, this utility model provides the following technical solution:

[0005] An LED display board includes a disc-shaped panel frame, which is a transparent panel. A circular first through-hole is located in the center of the panel frame. A recessed first groove is located on the rear side of the panel frame, circumferentially arranged outside the first through-hole. A single-sided luminous strip is placed within the first groove, circumferentially arranged along the groove. A circular positioning frame is attached to the rear side of the panel frame, the center of which coincides with the center of the first through-hole. A circular LED screen is inserted behind the positioning frame, the center of which also coincides with the center of the first through-hole. A light-shielding sheet is provided between the LED screen and the panel frame, covering... The system includes a light strip and an LED screen. A rear housing is inserted behind the LED screen, and a control module and a power module are installed inside the rear housing. The control module is connected to the power module via a cable. Both the light strip and the LED screen are electrically connected to the control module. A plurality of first mounting holes are provided along the outer side of the positioning frame. A corresponding second mounting hole is provided on the LED screen. A third mounting hole is provided on the rear housing. A first fixing screw is inserted into the first mounting hole. The third mounting hole is machined with an internal thread. The first screw passes through the first mounting hole, the second mounting hole, and the third mounting hole and is threaded and locked. The mounting frame is locked and fixed to the LED screen and the rear housing by the first screw.

[0006] The rear housing includes a bottom plate and a side plate. The bottom plate has a disc structure, and the side plate is arranged around the outer circumference of the bottom plate. The bottom plate and the side plate form a hollow frame structure. The side plate is inserted into the LED screen. The second mounting hole is on the side plate. A first supporting square tube is fixed horizontally above the bottom plate. The two ends of the first supporting square tube span the inner walls of the left and right ends of the side plate. The control module and the power module are both fixed on the bottom plate and below the first supporting square tube.

[0007] Symmetrically arranged second support square tubes are provided on the left and right sides below the base plate. One side of the second support square tube contacts the inner wall of the side plate, and its contact surface is a first arc surface with an arc structure. The first arc surface matches the arc surface of the inner wall of the side plate. A third support square tube is vertically installed below the second support square tube. The bottom end of the third support square tube contacts the inner wall of the side plate, and its contact surface is a second arc surface with an arc structure. The second arc surface matches the arc surface of the inner wall of the side plate.

[0008] At least one handle is installed on the rear side of the base plate.

[0009] The power module includes several batteries and a battery tray arranged side by side. Several of the batteries are inserted into the battery tray along the vertical direction, and the battery tray is fixedly installed with the base plate.

[0010] A support base is also installed below the rear housing. The support base includes a base and connecting rods. There are at least two connecting rods. The top of the connecting rod is inserted into the third support square tube of the rear housing, and its bottom is fixedly installed with the base.

[0011] Both the panel frame and the positioning frame are made of transparent acrylic sheets.

[0012] Compared with existing technologies, the LED display board of this application reconstructs the main body of the light board into a circular structure with a ring-shaped stress distribution. The design without sharp corners reduces the drop damage rate and effectively ensures the service life of the display board. At the same time, the display board of this application has a simple assembly structure and quick installation. The base is detachable and the rear shell is equipped with a handle, allowing the display board to be used in different scenarios. The panel frame is also equipped with light strips that are set around the LED screen, which can effectively enhance the visual impact of the LED screen display and achieve multi-dimensional visual enhancement, making the content displayed on the LED screen more visually impactful. Attached Figure Description

[0013] Figure 1 : A three-dimensional structural diagram of this application;

[0014] Figure 2 : Another perspective three-dimensional structural view of this application;

[0015] Figure 3: An exploded view of this application;

[0016] Figure 4 : A longitudinal half-sectional view of this application;

[0017] Figure 5 : Figure 4 Enlarged view of point A;

[0018] Figure 6 The internal structure of the rear shell is three-dimensional. Detailed Implementation

[0019] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.

[0020] Specific Implementation Example 1: Please refer to Figures 1 to 6 In this embodiment of the present invention, an LED display board includes a disc-shaped panel frame 1, which is a transparent plate structure. A circular first through-hole 101 is provided in the center of the panel frame 1. A recessed first groove 102 is provided on the rear side of the panel frame 1, and the first groove 102 is circumferentially arranged outside the first through-hole 101. A single-sided luminous strip is placed inside the first groove 102, and the luminous strip is circumferentially arranged along the first groove 102. A circular positioning frame 4 is attached to the rear side of the panel frame 1, with the center of the positioning frame 4 coinciding with the center of the first through-hole 101. A circular LED screen 5 is inserted into the rear side of the positioning frame 4, with the luminous side of the luminous strip closer to the LED screen 5. The center of the LED screen 5 coincides with the center of the first through-hole 101. A light-shielding sheet 3 is provided between the LED screen 5 and the panel frame 1, covering the luminous strip and the LED screen 5. A rear housing 6 is inserted into the rear side of the LED screen 5. A control module 8 and a power module 7 are installed inside the rear housing 6. The control module 8 is connected to the power module 7 via a cable. The LED strip and the LED screen 5 are both electrically connected to the control module 8. Several first mounting holes 401 are provided on the outer side of the positioning frame 4. The LED screen 5 is provided with corresponding second mounting holes. The rear housing 6 is provided with a third mounting hole. A first fixing screw is inserted into the first mounting hole 401. The third mounting hole is machined with internal threads. The first screw passes through the first mounting hole 401, the second mounting hole and the third mounting hole and is threaded and locked. The mounting frame is locked and fixed to the LED screen 5 and the rear housing 6 by the first screw. There are switch buttons 11 on the lower rear side of the rear housing 6 for controlling the opening and closing of the LED screen 5 and the LED strip. A charging port 12 is provided on one side of the switch button 11 for charging the power module 7.

[0021] The rear housing 6 includes a base plate 601 and a side plate 602. The base plate 601 has a disc structure, and the side plate 602 is arranged around the outer circumference of the base plate 601. The base plate 601 and the side plate 602 form a hollow frame structure. The side plate 602 is inserted into the LED screen 5. The second mounting hole is on the side plate 602. A first support square tube 603 is fixed horizontally above the base plate 601. The two ends of the first support square tube 603 span the inner walls of the left and right ends of the side plate 602. The control module 8 and the power module 7 are both fixed on the base plate 601 and below the first support square tube 603.

[0022] Symmetrically arranged second support square tubes 604 are provided on the left and right sides below the base plate 601. One side of the second support square tube 604 contacts the inner wall of the side plate 602, and its contact surface is a first arc surface with an arc structure. The first arc surface matches the arc surface of the inner wall of the side plate 602. A third support square tube 605 is vertically installed below the second support square tube 604. The bottom end of the third support square tube 605 contacts the inner wall of the side plate 602, and its contact surface is a second arc surface with an arc structure. The second arc surface matches the arc surface of the inner wall of the side plate 602. The first support square tube 603, the second support square tube 604, and the third support square tube 605 are all hollow tube structures.

[0023] At least one handle 9 is installed on the rear side of the base plate 601. In this embodiment, two handles 9 are installed on the rear side of the base plate 601, and the display board of this application can be held vertically by using the double handles 9.

[0024] The power module 7 includes several batteries 701 arranged side by side and a battery tray 702. Several batteries 701 are inserted into the battery tray 702 in a vertical direction, and the battery tray 702 is fixedly installed with the base plate 601.

[0025] A support base 10 is also installed below the rear housing 6. The support base 10 includes a base 1002 and connecting rods 1001. There are at least two connecting rods 1001. The top of the connecting rod 1001 is inserted into the third support square tube 605 of the rear housing 6, and its bottom is fixedly installed with the base 1002. The base 1002 has a rectangular structure. In actual use, depending on the application scenario, it can be used either handheld or with the support base 10 for positioning and support.

[0026] Both the panel frame 1 and the positioning frame 4 are transparent acrylic sheets. In this embodiment, the panel frame 1 is made of 3mm thick single-layer transparent acrylic sheet, and the positioning frame 4 is made of 4mm thick transparent acrylic sheet.

[0027] Compared with existing technologies, the LED display board of this application reconstructs the main body of the light board into a circular structure with a ring-shaped stress distribution. The design without sharp corners reduces the drop damage rate and effectively ensures the service life of the display board. At the same time, the display board of this application has a simple assembly structure and quick installation. The base is detachable and the rear shell is equipped with a handle, allowing the display board to be used in different scenarios. The panel frame is also equipped with light strips that are set around the LED screen, which can effectively enhance the visual impact of the LED screen display and achieve multi-dimensional visual enhancement, making the content displayed on the LED screen more visually impactful.

[0028] It will be apparent to those skilled in the art that this invention is not limited to the details of the foregoing exemplary embodiments, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0029] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. An LED display board, characterized in that: The device includes a disc-shaped panel frame, which is a transparent plate structure. A circular first through-hole is located in the center of the panel frame. A recessed first groove is located on the rear side of the panel frame, circumferentially arranged outside the first through-hole. A single-sided luminous strip is placed within the first groove, circumferentially arranged along the groove. A circular positioning frame is attached to the rear side of the panel frame, with its center coinciding with the center of the first through-hole. A circular LED screen is inserted behind the positioning frame, its center coinciding with the center of the first through-hole. A light-shielding sheet is positioned between the LED screen and the panel frame, covering the luminous strip and... An LED screen has a rear housing inserted behind it. A control module and a power module are installed inside the rear housing. The control module is connected to the power module via a cable. Both the LED strip and the LED screen are electrically connected to the control module. A number of first mounting holes are provided on the outer side of the positioning frame. A corresponding second mounting hole is provided on the LED screen. A third mounting hole is provided on the rear housing. A first fixing screw is inserted into the first mounting hole. The third mounting hole is machined with internal threads. The first screw passes through the first mounting hole, the second mounting hole, and the third mounting hole and is threaded and locked. The mounting frame is locked and fixed to the LED screen and the rear housing by the first screw.

2. The LED display board according to claim 1, characterized in that: The rear housing includes a bottom plate and a side plate. The bottom plate has a disc structure, and the side plate is arranged around the outer circumference of the bottom plate. The bottom plate and the side plate form a hollow frame structure. The side plate is inserted into the LED screen. The second mounting hole is on the side plate. A first supporting square tube is fixed horizontally above the bottom plate. The two ends of the first supporting square tube span the inner walls of the left and right ends of the side plate. The control module and the power module are both fixed on the bottom plate and below the first supporting square tube.

3. The LED display board according to claim 2, characterized in that: Symmetrically arranged second support square tubes are provided on the left and right sides below the base plate. One side of the second support square tube contacts the inner wall of the side plate, and its contact surface is a first arc surface with an arc structure. The first arc surface matches the arc surface of the inner wall of the side plate. A third support square tube is vertically installed below the second support square tube. The bottom end of the third support square tube contacts the inner wall of the side plate, and its contact surface is a second arc surface with an arc structure. The second arc surface matches the arc surface of the inner wall of the side plate.

4. An LED display board according to claim 3, characterized in that: At least one handle is installed on the rear side of the base plate.

5. An LED display board according to claim 4, characterized in that: The power module includes several batteries and a battery tray arranged side by side. Several of the batteries are inserted into the battery tray along the vertical direction, and the battery tray is fixedly installed with the base plate.

6. An LED display board according to claim 5, characterized in that: A support base is also installed below the rear housing. The support base includes a base and connecting rods. There are at least two connecting rods. The top of the connecting rod is inserted into the third support square tube of the rear housing, and its bottom is fixedly installed with the base.

7. An LED display board according to claim 6, characterized in that: Both the panel frame and the positioning frame are made of transparent acrylic sheets.

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