CN115394209A

CN115394209A - LED display screen

Info

Publication number: CN115394209A
Application number: CN202210901347.8A
Authority: CN
Inventors: 徐光华; 郭平
Original assignee: SHENZHEN ONLY OPTOELECTRONIC TECHNOLOGY CO LTD
Current assignee: SHENZHEN ONLY OPTOELECTRONIC TECHNOLOGY CO LTD
Priority date: 2022-07-28
Filing date: 2022-07-28
Publication date: 2022-11-25

Abstract

The invention relates to an LED display screen, which comprises an LED display panel and an installation frame; wherein the LED display panel is arranged on the front side of the mounting frame; the four corners of the mounting frame are internally provided with fixed connecting devices, the four corners of the rear side surface of the LED display panel are internally provided with first connecting parts, and the first connecting parts are matched with the fixed connecting devices; the front side surface of the LED display panel is provided with a first dismounting hole which is communicated with the first connecting part; the middle part of the rear side surface of the LED display panel along the height direction is provided with at least one second quick connecting device; a second connecting part matched with the second quick connecting device is arranged in the middle of the mounting frame along the height direction; and a second dismounting hole is formed in the front side surface of the LED display panel and communicated with a second quick connecting device. This device can make installation frame and LED display panel fixed connection and high-speed joint get up through fixed connection device and second high-speed joint device respectively, makes things convenient for the dismouting.

Description

LED display screen

Technical Field

The invention relates to the technical field of LED display, in particular to an LED display screen.

Background

An LED display screen is a flat panel display, which is composed of a plurality of small LED module panels and is used to display various information such as text, images, video, and the like. The LED electronic display screen integrates the microelectronic technology, the computer technology and the information processing, and has the advantages of bright color, wide dynamic range, high brightness, long service life, stable and reliable work and the like. The LED display screen is widely applied to commercial media, cultural performance markets, stadiums, information dissemination, news distribution, stock exchange and the like, and can meet the requirements of different environments. The LED display screen comprises LED display panel and installation frame, and LED display panel thickness is great among the prior art, influences the use in limited space, and current LED display panel is inconvenient with the dismouting when installing the frame connection.

Disclosure of Invention

Technical problem to be solved

In view of the above disadvantages and shortcomings of the prior art, the present invention provides an LED display screen, which solves the technical problem of inconvenient assembly and disassembly when the LED display panel is connected to the frame.

(II) technical scheme

In order to achieve the purpose, the invention adopts the main technical scheme that:

an LED display screen comprises an LED display panel and a mounting frame; wherein the LED display panel is arranged on the front side of the mounting frame; the four corners of the mounting frame are internally provided with fixed connecting devices, the four corners of the rear side surface of the LED display panel are internally provided with first connecting parts, and the first connecting parts are matched with the fixed connecting devices; a first dismounting hole is formed in the front side face of the LED display panel and communicated with the first connecting part; the middle part of the rear side surface of the LED display panel along the height direction is provided with at least two second quick connecting devices; a second connecting part matched with the second quick connecting device is arranged in the middle of the mounting frame in the height direction; and a second dismounting hole is formed in the front side surface of the LED display panel and communicated with the second quick connecting device.

Preferably, the LED display panel comprises a box body, a mounting bracket, an LED lamp panel, a waterproof adhesive layer and a lamp panel mask; wherein, a power supply control box is arranged on the rear side surface of the box body; a power supply and an adapter plate are arranged in the power supply control box, the adapter plate is electrically connected with a control card, and the power supply and the adapter plate are both electrically connected with the LED lamp panel; a fourth step part is arranged in the middle of the front side of the box body along the length direction, and the fourth step part extends along the height direction of the box body; the left side and the right side of the fourth step part are both provided with first step parts, and the peripheral edge of the front side of the box body is provided with a third step part; the third step part is provided with the second step part along the periphery of the box body close to the first step part side; the second step part and the third step part are arranged around the two first step parts, and the second step part is separated by the fourth step part; the front side surface of the first step portion, the front side surface of the second step portion, the front side surface of the fourth step portion, and the front side surface of the third step portion are arranged in sequence from the rear to the front.

The plurality of mounting brackets are connected with the first step part, the rear side faces of the mounting brackets are attached to the front side face of the first step part, the front side faces of the mounting brackets and the front side face of the second step part are on the same plane, and the rear side faces of the plurality of LED lamp panels are connected with the front side face of the second step part; the front side surface of the LED lamp panel and the front side surface of the fourth step part are on the same plane; the rear side face of the lamp panel mask is connected with the front side face of the third step part; a waterproof glue layer is arranged on the fourth step part; the waterproof glue layer trailing flank with the leading flank of LED lamp plate and the leading flank of fourth step portion are connected, the waterproof glue layer leading flank with the trailing flank of lamp plate face guard is connected.

Preferably, the mounting bracket is of a grid structure and comprises a plurality of horizontally extending cross rods and a plurality of vertically extending longitudinal rods, wherein the cross rods are uniformly arranged at intervals in the height direction of the longitudinal rods, and the longitudinal rods are uniformly arranged at intervals in the length direction of the cross rods.

Preferably, the plurality of mounting brackets are arranged in a left-right symmetrical manner with respect to the LED lamp panel.

Preferably, at least one insertion groove is arranged on the box body, and the insertion groove corresponds to the adapter plate.

Preferably, a sealing ring is arranged between the power supply control box and the rear side face of the box body.

Preferably, the number ratio of the LED lamp panel, the mounting bracket and the lamp panel cover is 1.

Preferably, the mounting frame comprises a transverse support rod arranged transversely, a longitudinal support rod arranged longitudinally and an L-shaped connecting plate; wherein, two sets of horizontal bracing pieces and two sets of vertical bracing pieces are connected with L type connecting plate through bolt or hasp head and the tail in proper order.

(III) advantageous effects

The invention has the beneficial effects that:

1. according to the invention, the fixed connection device is matched with the first connection part, so that the LED display panel and the mounting frame can be fixedly mounted; the LED display panel can be quickly connected with the mounting frame through the matching of the second quick connecting device and the second connecting part; when the LED display screen is used for a long time, the LED display panel can be fixedly connected with the mounting frame in a fixed mounting mode; when the LED display screen is used for a short time, the LED display panel can be quickly connected with the mounting frame in a quick connection mode; the LED display screen can be assembled and disassembled from the front side surface of the LED display panel and from the rear side surface of the LED display panel by fixed installation and quick installation, so that the LED display screen is convenient and flexible to assemble and disassemble;

2. according to the invention, the four step parts are arranged, so that the box body, the mounting bracket, the LED lamp panel, the waterproof adhesive layer and the lamp panel mask are sequentially and tightly attached, and the gap between the box body, the mounting bracket, the LED lamp panel, the waterproof adhesive layer and the lamp panel mask is very small or gapless, so that the thickness of the LED display panel is reduced;

3. the mounting bracket is of a grid structure, LED lamp panels with different point intervals can be mounted at different intervals of adjacent cross rods, and LED lamp panels with various specifications can be mounted on the same mounting bracket;

4. the mounting frame can be fixedly connected through bolts or quickly connected through lock catches, and the LED display screen is fixedly connected when used for a long time; adopt the hasp to connect fast when using the LED display screen the short time, make things convenient for the dismouting.

Drawings

FIG. 1 is a schematic view of the overall structure of an LED display screen according to the present invention;

FIG. 2 is a rear view of an LED display screen of the present invention;

FIG. 3 is an exploded view of a portion of an LED display panel according to the present invention;

FIG. 4 is an exploded view of a portion of an LED display panel according to the present invention;

FIG. 5 is a schematic structural view of the case of the present invention;

FIG. 6 is a schematic view of the mounting frame of the present invention;

FIG. 7 is a cross-sectional view taken along line D-D of FIG. 2;

FIG. 8 is a schematic view of a second quick connect apparatus of the present invention;

FIG. 9 is an enlarged schematic view at A of FIG. 5;

FIG. 10 is a schematic structural view of a mounting bracket in embodiment 1;

FIG. 11 is an enlarged schematic view at B of FIG. 7;

FIG. 12 is an enlarged schematic view at C of FIG. 7;

fig. 13 is a schematic structural view of a mounting bracket in embodiment 2.

[ description of reference ]

1. Mounting the frame; 2. an LED display panel; 11. an L-shaped connecting plate; 12. a transverse support bar; 13. a longitudinal support bar; 14. a fixed connection device; 15. a second connecting portion; 21. a lamp panel mask; 22. mounting a bracket; 221. a cross bar; 23. a box body; 24. an adapter plate; 25. a power source; 26. A power supply control box; 27. an LED lamp panel; 28. a second quick connect device; 29. a control card; 31. Inserting grooves; 32. a second disassembly hole; 33. a first connection portion; 35: a first step portion; 36: a second stepped portion; 37: a third step portion; 38: a fourth step portion; 61. a fixed seat; 62. a first threaded hole; 63. a third threaded hole; 64. a second threaded hole; 65. a fourth threaded hole; 81. a base; 82. a connecting seat; 83. a connecting ring; 84. a handle; 85. and rotating the rod.

Detailed Description

For a better understanding of the present invention, reference will now be made in detail to the present embodiments of the invention, examples of which are illustrated in the accompanying drawings. Referring to fig. 1, a side close to the lamp panel cover 21 is referred to as a "front side", a side close to the power control box 26 is referred to as a "rear side", and a "width direction" herein is a thickness direction of the LED display panel.

Example 1

As shown in fig. 1 to 12, an LED display screen includes an LED display panel 2 and a mounting frame 1. Wherein the LED display panel 2 is disposed on the front side of the mounting frame 1. The four corner areas on the mounting frame 1 are all provided with the fixed connection devices 14, the four corner areas on the led display panel 2 are all provided with the first connection portions 33, and the first connection portions 33 correspond to the fixed connection devices 14. Two second quick connection devices 28 are arranged at the middle part of the rear side surface of the LED display panel 2 along the height direction. The mounting frame 1 is provided with a second connecting portion at the middle in the height direction, which is matched with the second quick-connecting means 28. The front side of the LED display panel 2 is provided with a second assembling and disassembling hole 32, and the second assembling and disassembling hole 32 is communicated with the second quick connecting device 28. The four corners of the mounting frame 1 and the four corners of the LED display panel 2 are quickly connected by the fixing connection devices 14 matching with the first connection portions 33, and the middle portion of the mounting frame 1 in the height direction and the LED display panel 2 can be quickly connected by the second quick connection devices 28 matching with the second connection portions.

As shown in fig. 11 to 12, the fixing and connecting device 14 includes a fixing base 61, a first threaded hole 62 is formed in the fixing base 61, the first threaded hole 62 is a through hole, and the first threaded hole 62 is arranged along the front-rear direction. Or the fixed connecting device 14 comprises a fixed seat 61, the front end in the fixed seat 61 is provided with a second threaded hole 64, and the second threaded hole 64 is arranged along the front-back direction.

First connecting portion 33 includes the connecting block, and on the box 23 trailing flank was arranged in to the connecting block, the connecting block rear end was equipped with third screw hole 63. The third screw holes 63 are arranged in the front-rear direction. The front end of the third threaded hole 63 is coaxially provided with a fourth threaded hole 65. The third screw hole 63 corresponds to the first screw hole 62, and the fourth screw hole 65 corresponds to the second screw hole 64. When the LED display panel 2 needs to be attached to and detached from the rear side of the LED display panel 2, the first threaded hole 62 and the third threaded hole 63 are made to correspond to each other, and the first threaded hole 62 and the third threaded hole 63 are connected to each other by a bolt passing through the first threaded hole 62 and the third threaded hole 63 in sequence. When the LED display panel 2 needs to be attached and detached from the front side surface of the LED display panel 2, the second screw hole 64 and the fourth screw hole 65 are made to correspond to each other, and the bolt is made to pass through the fourth screw hole 65 and the second screw hole 64 in order to connect the second screw hole 64 and the fourth screw hole 65.

As shown in fig. 8, the second quick-connect device 28 includes a base 81, and the base 81 is fixedly connected to the rear side of the LED display panel 2. The base 81 is provided with a connecting seat 82 on the side away from the LED display panel 2. The base 81 center department rotates and is connected with dwang 85, and the dwang 85 extends along the fore-and-aft direction, and the dwang 85 front end runs through connecting seat 82 and base 81 to rotate with connecting seat 82 and base 81 and be connected. The rear end of the rotating lever 85 is provided with a handle 84. The rotating rod 85 is fixedly connected with a connecting ring 83, two ends of the connecting ring 83 are respectively fixedly connected to the rotating rod 85 and are arranged back and forth along the axial direction, and the connecting ring 83 surrounds the rotating rod 85 and is obliquely arranged.

The front end of the rotating rod 85 is fixedly connected with a rotating head, and a first inner hexagonal hole is formed in the center of the rotating head. The second removal hole 32 communicates with the first hexagon socket.

The second connection portion 15 comprises a connection table, which is placed on the mounting frame 1. When the LED display panel 2 is dismounted from the rear side of the mounting frame 1, the handle 84 is rotated, the handle 84 drives the rotating rod 85 to rotate around the axial direction, the connecting ring 83 rotates along with the rotating rod 85, and when the connecting ring 83 which is obliquely arranged is close to and tightly pressed on the connecting table, the LED display panel 2 is connected with the second connecting portion 15; when the handle 84 is turned in the reverse direction and the obliquely arranged coupling ring 83 is away from the coupling table, the LED display panel 2 is separated from the second coupling portion 15. When the mounting and dismounting frame 1 is mounted and dismounted from the front side, the inner hexagonal wrench passes through the second mounting and dismounting hole 32 and is matched with the first inner hexagonal hole, the inner hexagonal wrench is rotated to drive the rotating rod 85 to rotate around the axial direction, and when the connecting ring 83 which is obliquely arranged is close to and pressed on the connecting table, the LED display panel 2 is connected with the second connecting part 15; when the handle 84 is rotated in the reverse direction and the connection ring 83 is away from the connection table, the LED display panel 2 is separated from the second connection portion 15. The invention provides two mounting modes: the LED display screen is fixedly installed through the fixed connecting device and quickly installed through the second quick connecting device, and when the LED display screen is used for a long time, the LED display screen can be fixedly installed; when the LED display screen is used for a short time, the LED display screen can be quickly installed; and quick installation and fixed mounting can be carried out front side disassembly and assembly and rear side disassembly and assembly, so that the disassembly and assembly of the LED display panel 2 and the installation frame 1 are more flexible and the use is convenient.

As shown in fig. 3 to 5 and fig. 9 to 10, the LED display panel 2 includes a box 23, a mounting bracket 22, an LED lamp panel 27, a waterproof adhesive layer 210, and a lamp panel cover 21. Wherein, a power control box 26 is arranged on the rear side surface of the box body 23. A power supply 25 and an adapter plate 24 are arranged in the power supply control box 26, the adapter plate 24 is electrically connected with a control card 29, and the power supply 25 and the adapter plate 24 are electrically connected with the LED lamp panel 27. The front side of the box 23 is provided with a fourth step part 38 along the middle part of the length direction, and the fourth step part 38 extends along the height direction of the box 23. The left and right sides of the fourth step portion 38 are provided with first step portions 35, the periphery of the front side of the box 23 is provided with third step portions 37, the third step portions 37 are close to the first step portions 35 and are provided with second step portions 36 along the periphery of the box 23, and the second step portions 36 and the third step portions 37 are arranged around the two first step portions 35 and are separated by the fourth step portions 38. The front side surface of the first stepped portion 35, the front side surface of the second stepped portion 36, the front side surface of the fourth stepped portion 38, and the front side surface of the third stepped portion 37 are arranged in this order from the rear to the front.

The four mounting brackets 22 are connected to the first step portion 35 by screws, the rear side of the mounting bracket 22 is attached to the front side of the first step portion 35, and the mounting bracket 22 is made of an insulating material, such as plastic. The front side of the mounting bracket 22 is coplanar with the front side of the second step 36. The mounting bracket 22 is a grid structure including a plurality of horizontally extending cross bars 221 and a plurality of vertically extending longitudinal bars. The crossbars 221 are evenly spaced in the height direction of the vertical bars, and the vertical bars are evenly spaced in the length direction of the crossbars 221. The interval of adjacent horizontal pole 221 can be according to the LED lamp plate 27 setting of different dot interval. The plurality of mounting brackets 22 are arranged in a left-right symmetrical manner. In this embodiment, the length of the box 23 is 609.6mm, and the height of the box 23 is 304.8mm. The height of horizontal pole is 3.5mm, and the distance between adjacent horizontal pole 221 is 32.10 mm's installing support 22, and compatible point interval is 6.35mm, 7.8625mm and 9.525 mm's three kinds of LED lamp plates 27 respectively simultaneously. However, the distance between the adjacent cross bars 221 of the mounting bracket 22 of the present invention is not limited to 32.10mm, and there may be a plurality of distances for mounting the LED lamp panels 27 at different distances.

A plurality of LED lamp plates 27 are connected through the screw with second step portion 36, and the trailing flank of LED lamp plate 27 laminates with the leading flank of second step portion 36 mutually. Be equipped with a plurality of fluorescent tube holes on the LED lamp plate 27, be equipped with a plurality of support columns on the horizontal pole 221 front side, fluorescent tube hole and support column phase-match. The rear side of the LED lamp panel 27 is attached to the front side of the cross bar 221. The front side of LED lamp panel 27 and the front side of fourth step portion 38 are on the same plane. Lamp plate face guard 21 is connected through the bolt with third step portion 37, is equipped with waterproof glue film on fourth step portion 38, waterproof glue film's size and lamp plate face guard 21 phase-match, and waterproof glue film trailing flank is glued with the leading flank of LED lamp plate 27 and the leading flank of fourth step portion 38 and is connected, and waterproof glue film's leading flank is glued with lamp plate face guard 21's trailing flank and is connected. Can make installing support 22, LED lamp plate 27, waterproof glue layer and lamp plate face guard 21 closely laminate on 23 leading flank of box in proper order through setting up first step portion 35, second step portion 36, fourth step portion 38 and third step portion 37, reduce clearance each other to can reduce the whole thickness of LED display panel 2, make LED display panel 2 thinner, facilitate the use.

The base 81 is fixedly connected with the box 23.

And third dismounting holes corresponding to the second dismounting holes 32 are formed in the mounting bracket 22, the LED lamp panel 27, the waterproof adhesive layer and the lamp panel mask 21.

And fourth dismounting holes corresponding to the fourth threaded holes 65 are formed in the LED lamp panel 27, the waterproof adhesive layer and the lamp panel mask 21.

A sealing ring is arranged between the power control box 26 and the rear side surface of the box body 23, the front side of the sealing ring is connected with the box body 23, and the rear side of the sealing ring is abutted against the power control box 26. The seal ring seals between the power control box 26 and the case 23, thereby preventing water from entering the power control box 26.

Two inserting grooves 31 are arranged on the box body 23, and the inserting grooves 31 correspond to the adapter plate 24. The power control box 26 can be electrically connected with the LED lamp panel 27 through the insertion groove 31.

LED lamp plate 27, installing support 22 and lamp plate face guard 21's quantity ratio is 1.

As shown in fig. 6, the mounting frame 1 includes a laterally disposed lateral support bar 12, a longitudinally disposed longitudinal support bar 13, and an L-shaped connecting plate 11. Wherein, two sets of horizontal bracing pieces 12 and two sets of longitudinal support rods 13 end to end in proper order with L type connecting plate 11 fixed connection, constitute with LED display panel 2 assorted installation frame 1. When a plurality of LED display screens splice, 1 accessible bolt of adjacent installation frame or hasp are connected, and the hasp is prior art, as long as can carry out quick fixed connection to adjacent installation frame 1 can. When the LED display screen is used for a long time, the adjacent mounting frames 1 are connected through bolts. When the LED display screen is used for a short time, the lock catch is used for connection, and the LED display screens are conveniently spliced.

Example 2

As shown in fig. 13, unlike embodiment 1: the length of the tank 23 is 609.6mm and the height of the tank 23 is 304.8mm. The distance between the adjacent horizontal pole 221 of installing support 22 is 25.07mm, and the height of horizontal pole 221 is 3.5mm, and the installing support 22 of this model can be used to the LED lamp plate 27 that the mounting point interval is 4.875 mm.

In the description of the present invention, it is to be understood that the terms "first", "second" and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium; either as communication within two elements or as an interactive relationship of two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In the present invention, unless otherwise expressly stated or limited, a first feature "on" or "under" a second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate medium. Also, a first feature "on," "above," and "over" a second feature may be directly on or obliquely above the second feature, or simply mean that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lower level than the second feature.

In the description herein, the description of the terms "one embodiment," "some embodiments," "an embodiment," "an example," "a specific example" or "some examples" or the like, means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the various embodiments or examples and features of the various embodiments or examples described in this specification can be combined and combined by those skilled in the art without being mutually inconsistent.

Although embodiments of the present invention have been shown and described above, it should be understood that the above embodiments are illustrative and not restrictive, and that those skilled in the art may make changes, modifications, substitutions and alterations to the above embodiments without departing from the scope of the present invention.

Claims

1. An LED display screen, its characterized in that: comprises an LED display panel (2) and a mounting frame (1); wherein the LED display panel (2) is arranged on the front side of the mounting frame (1); fixed connecting devices are arranged in four corners of the mounting frame (1), first connecting parts (33) are arranged in four corner regions of the LED display panel (2), and the first connecting parts (33) correspond to the fixed connecting devices; the middle part of the rear side surface of the LED display panel (2) along the height direction is provided with at least two second quick connecting devices (28); a second connecting part matched with the second quick connecting device (28) is arranged in the middle of the mounting frame (1) along the height direction; and a second dismounting hole is formed in the front side surface of the LED display panel (2), and the second dismounting hole is communicated with the second quick connecting device (28).

2. The LED display screen of claim 1, wherein: the LED display panel (2) comprises a box body (23), a mounting bracket (22), an LED lamp panel (27), a waterproof adhesive layer (210) and a lamp panel mask (21); wherein a power supply control box (26) is arranged on the rear side surface of the box body (23); a power supply (25) and an adapter plate (24) are arranged in the power supply control box (26), the adapter plate (24) is electrically connected with a control card (29), and the power supply (25) and the adapter plate (24) are electrically connected with the LED lamp panel (27); a fourth step part (38) is arranged in the middle of the front side of the box body (23) along the length direction, and the fourth step part (38) extends along the height direction of the box body (23); the left side and the right side of the fourth step part (38) are both provided with first step parts (35), and the peripheral edge of the front side of the box body (23) is provided with a third step part (37); a second step part (36) is arranged on the third step part (37) close to the first step part (35) along the periphery of the box body (23); -said second step (36) and said third step (37) are both arranged around both said first steps (35), said second step (36) being interrupted by said fourth step (38); the front side surface of the first step part (35), the front side surface of the second step part (36), the front side surface of the fourth step part (38) and the front side surface of the third step part (37) are sequentially arranged from back to front;

the plurality of mounting brackets (22) are connected with the first step portion (35), the rear side faces of the mounting brackets (22) are attached to the front side face of the first step portion (35), the front side faces of the mounting brackets (22) and the front side face of the second step portion (36) are on the same plane, and the rear side faces of the plurality of LED lamp panels (27) are connected with the front side face of the second step portion (36); the front side surface of the LED lamp panel (27) and the front side surface of the fourth stepped part (38) are on the same plane; the rear side face of the lamp panel cover (21) is connected with the front side face of the third step part (37); a waterproof glue layer is arranged on the fourth step part (38); the waterproof glue line trailing flank with the leading flank of LED lamp plate (27) and the leading flank of fourth step portion (38) are connected, the waterproof glue line leading flank with the trailing flank of lamp plate face guard (21) is connected.

3. The LED display screen of claim 2, wherein: the mounting support (22) is of a grid structure and comprises a plurality of horizontally extending cross rods (221) and a plurality of vertically extending longitudinal rods, the cross rods (221) are uniformly arranged at intervals in the height direction of the longitudinal rods, and the longitudinal rods are uniformly arranged at intervals in the length direction of the cross rods (221).

4. The LED display screen of claim 3, wherein: the plurality of mounting brackets (22) are arranged in a left-right symmetrical manner with respect to the LED lamp panel (27).

5. The LED display screen of claim 2, wherein: the box body (23) is provided with at least one insertion groove (31), and the insertion groove (31) corresponds to the adapter plate (24).

6. The LED display screen of claim 2, wherein: and a sealing ring is arranged between the power supply control box (26) and the rear side surface of the box body (23).

7. The LED display screen of claim 2, wherein: the LED lamp panel (27), installing support (22) and the quantity ratio of lamp plate face guard (21) is 1.

8. The LED display screen of any one of claims 1-7, wherein: the mounting frame (1) comprises transverse supporting rods (12) arranged transversely, longitudinal supporting rods (13) arranged longitudinally and L-shaped connecting plates; wherein, two groups of transverse supporting rods (12) and two groups of longitudinal supporting rods (13) are sequentially connected with the L-shaped connecting plate (11) end to end through bolts or lock catches.