Indoor small pitch LED display composite installation components

Abstract

The present invention belongs to the technical field of LED display screens. Aiming at the problem that the die-cast aluminum box assembly for installing a small-pitch display screen has low precision and is difficult to maintain, a composite installation assembly for an indoor small-pitch LED display screen is provided, comprising a square frame, a bracket, two narrow back bars arranged in the frame, a plurality of wide back bars and a transverse connecting bar; the cross section of the frame is provided with two square openings for connecting the corners, a bayonet is arranged on the front of the frame, and the narrow back bar is clamped on the left and right frames from the front; a wide back bar is arranged in parallel between the two narrow back bars, and the two ends of the wide back bar are clamped on the upper and lower frames; a space is left on the side of the wide back bar, and a connecting plate is arranged on the side of the wide back bar, corresponding to the components that need to be fixed on the unit module, and the transverse connecting bar is clamped between the left and right frames. The composite installation assembly for an indoor small-pitch LED display screen of the present invention can be produced and installed in a standardized manner, the gap after splicing is uniform, the installation is simple and fast, and the maintenance is convenient.

Description

Technical Field

[0001] The invention belongs to the technical field of LED display screens, and in particular relates to a composite installation component for an indoor small-pitch LED display screen. Background Art

[0002] For a large LED display, it is composed of many small unit modules, including LED lights, PCB circuit boards, driver ICs, resistors, and plastic kits. Whether the unit modules can be assembled uniformly directly affects the display effect of the large screen. With the development and progress of technology, the dot pitch of LED display screens is getting smaller and smaller. When the dot pitch is less than 4mm, the traditional simple frame plus back bar mode installation components will cause uneven gaps, height differences, and misaligned dots after assembly, affecting the aesthetics of the screen and the display effect. The die-cast aluminum box is currently the mainstream installation component for the installation of small-pitch (dot pitch 1.2-3.0mm) display screens. It has the following disadvantages: the die-cast aluminum box needs a steel structure bracket for support. The size and structure of the steel structure frame depend on the installation site and need to be processed and manufactured at the installation site, which makes it difficult to ensure the accuracy of the steel structure frame. As a result, during the installation of the screen, the vertical and horizontal gaps between the unit boxes and the front and rear heights need to be manually compensated and adjusted. Each box is related, and adjusting one box will affect the boxes in the surrounding positions, resulting in low construction efficiency, unsatisfactory installation results, and very high costs. In addition, later maintenance is very difficult because each unit box or unit board is tightly squeezed together, and it is not easy to take out the unit box or unit board. Summary of the invention

[0003] Aiming at the above problems that the existing die-cast aluminum box assembly for installing a small-pitch display screen has low precision and is difficult to adjust and maintain, the present invention provides an indoor small-pitch LED display screen composite installation assembly.

[0004] The present invention is achieved through the following technical solutions:

[0005] A composite installation assembly for an indoor small-pitch LED display screen, comprising a square frame, a bracket, two narrow back bars arranged in the frame, a plurality of wide back bars and a transverse connecting bar;

[0006] The frame is formed by fixedly connecting the frame and the corners. The cross section of the frame is provided with two square openings for plugging the corners. The front of the frame is provided with a plurality of bayonet openings. The narrow back strip is clamped on the left and right frames from the front and fixed by bolts. A wide back strip is arranged in parallel between the two narrow back strips. The two ends of the wide back strip are clamped on the upper and lower frames and fixed by bolts. Space is left on the side of the wide back strip. The connecting plate is arranged on the side of the wide back strip, corresponding to the components that need to be fixed on the unit module.

[0007] The transverse connecting strip is clamped between the left and right frames and fixed by bolts. The transverse connecting strip crosses with the narrow body back strip and the wide body back strip. A groove is provided at the cross intersection of the narrow body back strip and the wide body back strip with the transverse connecting strip, so that the transverse connecting strip, the narrow body back strip and the wide body back strip form a plane.

[0008] The narrow back strip, wide back strip and transverse connecting strip are all made of magnetic materials and are connected to the unit module by magnetic adsorption;

[0009] The bracket is L-shaped, including a fixed end fixedly connected to the mounting body and a supporting end connected to the frame. When installed, the brackets are arranged in two rows, the upper row of brackets is fixed to the mounting body in an inverted L shape, and the lower row of brackets is fixed to the mounting body in an L shape. The outer side of the supporting end is fixedly connected to the inner side of the upper and lower frames.

[0010] Furthermore, the frame is a hollow profile, and its cross section is provided with a snap fit to the corner.

[0011] Furthermore, arrows are provided on the narrow back bar and the wide back bar to indicate the installation direction of the unit module.

[0012] Furthermore, the narrow back strip and the wide back strip are grooved.

[0013] Compared with the prior art, the indoor small-pitch LED display composite installation component of the present invention can be produced and installed in a standardized manner, with uniform gaps after splicing, simple and quick installation, and convenient maintenance. Compared with the installation efficiency of the die-cast aluminum box, the cost can be increased by more than 50%, and the cost can be reduced by 70%. The overall uniformity of the gap is significantly better than this type of installation component. During later use, the maintenance efficiency is increased by more than 40%. Compared with the installation efficiency of the simple back strip installation, the installation cost is comparable. The technical indicators such as flatness, unit board gap, and overall uniformity are significantly better than this type of installation component. During later use, the maintenance efficiency is increased by more than 60%. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the overall structure of the composite installation assembly of an indoor small-pitch LED display screen according to an embodiment;

[0015] Figure 2 is a schematic cross-sectional view of the frame;

[0016] Figure 3 is a schematic diagram of the structure of the corner;

[0017] Figure 4 This is a front view of the wide-body back strip;

[0018] Figure 5 It is a side view of the wide-body back strip;

[0019] Figure 6 It is a schematic cross-sectional view of the wide-body back strip;

[0020] Figure 7 It is a schematic diagram of the coordination between the wide body back strip and the frame;

[0021] Figure 8 It is a schematic diagram of the structure of the power connection board;

[0022] Fig. 9 This is a schematic diagram of the control card connection board structure.

[0023] In the above figures, 1, frame; 11, frame; 111, square opening; 112, bayonet; 12, corner; 2, bracket; 3, narrow back strip; 4, wide back strip; 5, horizontal connecting strip; 6, connecting plate. DETAILED DESCRIPTION

[0024] The present invention is further described in detail below with reference to specific embodiments and accompanying drawings.

[0025] Example

[0026] A composite installation component for an indoor small-pitch LED display screen, such as Figure 1 As shown, it includes a square frame 1, a bracket 2, two narrow back bars 3 arranged in the frame 1, a plurality of wide back bars 4, a transverse connecting bar 5 and a connecting plate 6.

[0027] The frame 1 is formed by inserting and bolting the frame 11 and the corner 12. Figure 2 As shown in FIG. 1 , a cross-sectional view of a frame is shown, wherein the frame is provided with two square openings 111 for connecting the corners, and a plurality of bayonet openings 112 are provided on the front of the frame. The structure of the corner 12 is as follows: Figure 3 As shown, the two ends are adapted to the square openings of the frame and can be inserted into the square openings. The narrow back strip 3 can be frontally clamped on the left and right frames and fixed by bolts. A wide back strip 4 is arranged parallel to the two narrow back strips 3, as shown in FIG. Figure 4-6 The wide back strip 4 is shown in the schematic diagram, and its two sides are perpendicular to the back strip body, and the cross section is groove-shaped, and its end is provided with a cantilever adapted to the frame slot. The structure of the narrow back strip 4 is similar to that of the wide back strip, except that one side of the narrow back strip is perpendicular to the back strip body. Figure 7 As shown, the two ends of the wide back bar 4 are clamped on the upper and lower frames from the front of the frame and fixed by bolts. There is space on the side of the wide back bar 4, and the connecting plate 6 is arranged on the side of the wide back bar 4, corresponding to the components that need to be fixed on the unit module.

[0028] The transverse connecting bar 5 is clamped between the left and right frames and fixed by bolts. The transverse connecting bar 5 crosses with the narrow body back bar 3 and the wide body back bar 4. A groove is arranged at the cross intersection of the narrow body back bar 3 and the wide body back bar 4 with the transverse connecting bar 5, so that the transverse connecting bar 5, the narrow body back bar 3 and the wide body back bar 4 form a plane, ensuring that the unit module can remain flat after installation.

[0029] The narrow back strip 3, the wide back strip 4 and the transverse connecting strip 5 are all made of magnetic materials and can be magnetically adsorbed and connected with the flat-head strong magnet on the unit module.

[0030] The bracket is L-shaped, including a fixed end fixedly connected to the mounting body and a supporting end connected to the frame. When installed, the brackets are arranged in two rows, the upper row of brackets is fixed to the mounting body in an inverted L shape, and the lower row of brackets is fixed to the mounting body in an L shape. The outer side of the supporting end is fixedly connected to the inner side of the upper and lower frames.

[0031] In order to facilitate identification of the installation direction, arrows are provided on the narrow back bar 3 and the wide back bar 4 to indicate the installation direction of the unit module.

[0032] Under the premise of ensuring the strength and stability of the installed components, in order to reduce the dead weight and save materials, grooves are formed on the narrow back strip 3 and the wide back strip 4 .

[0033] During installation, first make the mounting holes on the profile frame, then connect the frame with four corners and reinforce it with bolts.

[0034] The narrow back strip 3 and the wide back strip 4 are clipped onto the frame 1, and then the transverse connecting strip 5 is installed and reinforced with bolts, so that the narrow back strip, the wide back strip and the transverse connecting strip form a plane from the front.

[0035] Install the power supply and control card on the power connection board and the control card connection board, then install the connection board on the back bar and fix it with bolts.

[0036] The bracket 2 is fixed relatively to the installation wall up and down, and the supporting end of the bracket 2 is just located in the space between two adjacent back strips, and is fixedly connected to the frame by bolts, and the entire frame is installed in place.

[0037] Connect the power supply and control card of each column, attach the unit modules to the back strip in sequence, and plug the wires in according to the labels. The unit modules require power supply and signal transmission. Each control card and power supply has a wiring port. Plug the power cord and cable into the interface behind the corresponding unit module.

[0038] Since the frame's bayonet is set on the front, the unit module can be maintained from the front without removing the entire display. Since the back bars are independent, any unit module can be disassembled and assembled without affecting other unit modules.

[0039] The embodiments described above are only descriptions of the preferred implementation modes of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should fall within the protection scope determined by the claims of the present invention.

Claims

1. A composite installation assembly for an indoor small-pitch LED display screen, characterized in that: It includes a square frame, a bracket, two narrow back bars arranged in the frame, a plurality of wide back bars and a transverse connecting bar; The frame is formed by fixing the frame and the corners. The cross section of the frame is provided with two square openings for inserting the corners. The front of the frame is provided with a plurality of slots. The narrow back strip is connected to the left and right frames from the front and fixed by bolts. A wide back strip is arranged in parallel between the two narrow back strips. The two sides of the wide back strip are perpendicular to the back strip body, and the cross section is groove-shaped, and the ends thereof are provided with cantilevers adapted to the frame bayonet; the two ends of the wide back strip are clamped on the upper and lower frames and fixed by bolts; there is space on the side of the wide back strip, and the connecting plate is arranged on the side of the wide back strip, corresponding to the components that need to be fixed on the unit module; The transverse connecting strip is clamped between the left and right frames and fixed by bolts. The transverse connecting strip crosses with the narrow body back strip and the wide body back strip. A groove is provided at the cross intersection of the narrow body back strip and the wide body back strip with the transverse connecting strip, so that the transverse connecting strip, the narrow body back strip and the wide body back strip form a plane. The narrow back strip, wide back strip and transverse connecting strip are all made of magnetic materials and are connected to the unit module by magnetic adsorption; The bracket is L-shaped, including a fixed end fixedly connected to the mounting body and a supporting end connected to the frame. When installed, the brackets are arranged in two rows, the upper row of brackets is fixed to the mounting body in an inverted L shape, and the lower row of brackets is fixed to the mounting body in an L shape. The outer side of the supporting end is fixedly connected to the inner side of the upper and lower frames.

2. The mounting assembly according to claim 1, characterized in that: The frame is a hollow profile, and its cross section is provided with a snap-in notch adapted to the corner.

3. The mounting assembly according to claim 1, characterized in that: Arrows are arranged on the narrow back bar and the wide back bar to indicate the installation direction of the unit module.

4. The mounting assembly according to claim 1, characterized in that: The narrow back strip and the wide back strip are grooved.

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