LED display screen

Abstract

An LED display screen comprises a display module, a frame structure and a center control structure, the frame structure comprises a plurality of cross beams and a plurality of vertical beams, a corner block is connected between each cross beam and the corresponding vertical beam, and the center control structure is connected to the middle of the position between the two cross beams / or vertical beams which are oppositely arranged. Reinforcing ribs are arranged on the two sides of the central control structure between the two oppositely-arranged cross beams / or vertical beams. The display module is provided with a connecting part and a plurality of grid strips arranged on the connecting part at intervals, lamp beads are arranged on one face of the connecting part and one face of the grid strips at equal intervals, and first adsorption pieces are arranged on the other face of the connecting part and the other face of the grid strips. The second adsorption pieces are used for being adsorbed with the corresponding second adsorption pieces on the cross beams, the vertical beams and the reinforcing ribs, so that the display module is arranged on the frame structure.

Description

Technical Field

[0001] The utility model relates to the technical field of display equipment, in particular to an LED display screen. Background Art

[0002] LED display screens are used to display various information such as text, images, and videos. They are widely used in commercial media, cultural performance markets, sports stadiums, information dissemination, news releases, and securities trading, and can meet the needs of different environments. However, most LED display screens, which are composed of small units, have disadvantages such as being bulky and opaque, and are not very suitable for some specific scenarios, such as glass curtain walls and windows of high-altitude buildings. Utility Model Content

[0003] The utility model provides an LED display screen, in which a display module is designed to be a plurality of grid bars arranged at intervals. At the same time, the frame structure also connects the horizontal beam and the vertical beam together through corner blocks, and reinforcing ribs are added on both sides of the central control structure. This not only has good light transmittance and does not block indoor light, but also is more beautiful; it can also reduce the overall weight of the LED display screen, and the strength and flatness of the display module after being connected to the frame structure are ensured by the reinforcing ribs.

[0004] The utility model provides an LED display screen, including a display module, a frame structure and a central control structure, wherein the frame structure includes a plurality of horizontal beams and a plurality of vertical beams, a corner block is connected between each of the horizontal beams and the vertical beams, the central control structure is connected to the middle between two oppositely arranged horizontal beams / or vertical beams, and reinforcing ribs are arranged on both sides of the central control structure between the two oppositely arranged horizontal beams / or vertical beams;

[0005] Among them, the display module has a connecting part and a plurality of grid bars arranged at intervals on the connecting part, and lamp beads are arranged at equal intervals on one side of the connecting part and the grid bars, and a first adsorption part is arranged on the other side of the connecting part and the grid bars, which is used to adsorb with the corresponding second adsorption parts on the horizontal beams, vertical beams and reinforcing ribs to attach the display module to the frame structure.

[0006] In an LED display screen of one embodiment of the utility model, the cross beam is a cross beam made of carbon fiber material, the vertical beam is a vertical beam made of carbon fiber material, the corner block is a corner block made of metal material, and the two ends of the corner block are respectively connected to the cross beam and the vertical beam through a first connecting member to form the frame structure.

[0007] In an LED display screen of one embodiment of the present invention, both ends of the horizontal beam are provided with horizontal beam connecting grooves, and both ends of the vertical beam are provided with vertical beam connecting grooves. The horizontal beam connecting grooves are located on opposite sides of the two horizontal beams, and the vertical beam connecting grooves are located on opposite sides of the two vertical beams. Both ends of the corner blocks are respectively fixed in the horizontal beam connecting grooves and the vertical beam connecting grooves.

[0008] In the LED display screen of one embodiment of the utility model, the bottom surface and the side surface of the beam connection groove are provided with beam connection holes, and the first connection member is connected to the corner block after passing through the beam connection hole; and / or,

[0009] Vertical beam connection holes are provided on the bottom surface and the side surface of the vertical beam connection groove, and the first connecting member is connected to the corner block after passing through the vertical beam connection hole.

[0010] In an LED display screen of one embodiment of the utility model, the corner block includes a first corner block, and the first corner block is provided with a connecting mechanism for splicing two adjacent frame structures to each other, and the connecting mechanism connects the two adjacent frame structures together.

[0011] In an LED display screen of one embodiment of the utility model, the corner block also includes a second corner block, the second corner block is provided with a positioning protrusion, the first corner block is provided with a positioning groove, and the connecting mechanism is used to confine the positioning protrusion in the positioning groove.

[0012] In an LED display screen of one embodiment of the utility model, the number of the horizontal beams, vertical beams, first corner blocks and second corner blocks are all two, the two first corner blocks are connected to the two ends of one of the horizontal beams, the two second corner blocks are connected to the two ends of another horizontal beam, and the two vertical beams are correspondingly arranged on both sides of the two horizontal beams and connected to the first corner blocks and the second corner blocks.

[0013] In an LED display screen of one embodiment of the utility model, a first positioning piece with a positioning column is provided in the middle of one of the beams, and a second positioning piece with a positioning hole is provided in the middle of the other beam, and the position of the positioning column corresponds to the position of the positioning hole.

[0014] In an LED display screen of one embodiment of the utility model, the frame structure further includes a connecting side strip in an L-shaped structure, the connecting side strip is arranged on the plurality of the horizontal beams and the plurality of the vertical beams, and the second adsorption member is arranged on the connecting side strip; and / or,

[0015] The LED display screen also includes a windproof bracket, and the windproof bracket is connected to the frame structure.

[0016] In an LED display screen of an embodiment of the present utility model, the central control structure includes a central control shell and a central control bottom plate, the central control shell is connected to the central control bottom plate, both ends of the central control bottom plate are fixed to the horizontal beam or vertical beam, and the display module is at least partially connected to the central control bottom plate;

[0017] Wherein, a plurality of heat dissipation slots arranged in stages are arranged around the central control housing.

[0018] The technical solution provided by the embodiment of the present application may include the following beneficial effects: The present application designs an LED display screen, including a display module, a frame structure and a central control structure, the frame structure includes a plurality of horizontal beams and a plurality of vertical beams, the horizontal beams and the vertical beams are connected together by corner blocks, the central control structure is connected to the middle between two relatively arranged horizontal beams / or vertical beams, and reinforcing ribs are arranged on both sides of the central control structure to ensure the strength and flatness of the display module after being connected to the frame structure, and at the same time, the overall weight of the LED display screen can be reduced. Among them, the display module has a connecting portion and a plurality of grid bars arranged at intervals, and lamp beads are arranged on the connecting portion and the grid bars at equidistant intervals, which can not only enhance the convection intensity of the air through the gaps between the grid bars, and have a good heat dissipation effect; but also has good light transmittance, will not block the indoor light, and is more beautiful.

[0019] It should be understood that the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0021] Figure 1 This is a schematic diagram of the structure of an LED display screen provided by an embodiment of the present application;

[0022] Figure 2 yes Figure 1 Schematic diagram of the LED display screen;

[0023] Figure 3 yes Figure 2 A schematic diagram of the structure of the frame structure;

[0024] Figure 4 yes Figure 2 A schematic diagram of the structure of the frame structure at another angle;

[0025] Figure 5 yes Figure 4Schematic diagram of the decomposition of the frame structure;

[0026] Figure 6 yes Figure 5 A schematic diagram of the structure of the first corner block in FIG.

[0027] Figure 7 yes Figure 5 A schematic diagram of the structure of the first corner block at another angle;

[0028] Figure 8 yes Figure 5 A schematic cross-sectional view of the first corner block in FIG.

[0029] Fig. 9 yes Figure 5 A schematic diagram of the structure of the second corner block in FIG.

[0030] Fig.10 yes Figure 5 An exploded schematic diagram of the first crossbeam in FIG.

[0031] Fig.11 yes Figure 5 An exploded schematic diagram of the second crossbeam in FIG.

[0032] Fig.12 yes Figure 1 An exploded schematic diagram of a display module in FIG.

[0033] Fig.13 yes Figure 1 The structural diagram of the PCBA board in;

[0034] Fig.14 yes Figure 1 Schematic diagram of the exploded central control structure;

[0035] Fig.15 yes Figure 1 Schematic diagram of the structure of the windproof bracket after folding. DETAILED DESCRIPTION

[0036] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0037] It should also be understood that the terms used in this utility model specification are only for describing specific realities. In the description of this application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing this application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on this application. In addition, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of this application, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.

[0038] In conjunction with the accompanying drawings, some embodiments of the present application are described in detail below. In the absence of conflict, the following embodiments and features in the embodiments can be combined with each other.

[0039] like Figures 1 to 15 As shown, the present application provides an LED display screen, including a display module 20, a frame structure 10 and a central control structure 30. The display module 20 and the central control structure 30 are both installed on the frame structure 10, and the central control structure 30 is electrically connected to the display module 20 to provide power and / or signal output for the display module 20 so that the display module 20 can display images.

[0040] Among them, the frame structure 10 includes multiple cross beams 11, multiple vertical beams 12 and multiple corner blocks 13, each corner block 13 is correspondingly connected between each cross beam 11 and each vertical beam 12, and is used to connect the multiple cross beams 11 and the multiple vertical beams 12 together to form the above-mentioned frame structure 10.

[0041] In this embodiment, the central control structure 30 is connected to the middle part between two oppositely arranged horizontal beams 11 / or vertical beams 12, and reinforcing ribs 14 are arranged on both sides of the central control structure 30 between the two oppositely arranged horizontal beams 11 / or vertical beams 12 to ensure the strength and flatness of the display module 20 after being connected to the frame structure 10.

[0042] Exemplarily, the cross beam 11 includes a first cross beam 11a and a second cross beam 11b, the vertical beam 12 includes a first vertical beam 12a and a second vertical beam 12b, the first corner block 13 is connected between the first cross beam 11a and the first vertical beam 12a, the second corner block 13 is connected between the first cross beam 11a and the second vertical beam 12b, the third corner block 13 is connected between the second cross beam 11b and the first vertical beam 12a, the fourth corner block 13 is connected between the second cross beam 11b and the second vertical beam 12b, the central control structure 30 and the reinforcing rib 14 are connected between the first cross beam 11a and the second cross beam 11b, and the reinforcing rib 14 is connected between the first cross beam 11a and the second cross beam 11b. Located on both sides of the central control structure 30, the display module 20 is connected with the first cross beam 11a, the second cross beam 11b, the first vertical beam 12a, the second vertical beam 12b, the central control structure 30 and the reinforcing rib 14, so that the heat generated by the display module 20 during operation can be dissipated through the gaps formed between the first cross beam 11a, the second cross beam 11b, the first vertical beam 12a, the second vertical beam 12b, the central control structure 30 and the reinforcing rib 14 to increase the effect of heat dissipation and airflow ventilation, and it also has the characteristics of good light transmittance, does not block the light in the building, and is more beautiful. In addition, using this structural design can also reduce the overall weight of the LED display screen, and can also ensure the strength and flatness of the display module 20 after being connected to the frame structure 10.

[0043] In an optional embodiment, the display module 20 has a connection portion 211 and a plurality of grid bars 212, and the plurality of grid bars 212 are arranged at intervals on the connection portion 211. Among them, lamp beads 213 are evenly spaced on one side of the connection portion 211 and the grid bars 212, and a first adsorption member is arranged on the other side of the connection portion 211 and the grid bars 212. The first adsorption member is used to adsorb with the corresponding second adsorption member 16 on the horizontal beam 11, the vertical beam 12 and the reinforcing rib 14, so as to place the display module 20 on the frame structure 10, facilitate the installation and disassembly of the display module 20 and the frame structure 10, and also ensure the effect after the display module 20 is connected to the frame structure 10.

[0044] In an optional embodiment, the first adsorbent 16 can be fitted with a snap fit; or, the first adsorbent 16 can be fitted with a magnetic fit; or, the first adsorbent 16 can be fitted with a Velcro adhesive fit; or, the first adsorbent 16 can be fixed with glue.

[0045] For example, one of the first adsorption member and the second adsorption member 16 may be a magnetic adsorption member, and the other of the first adsorption member and the second adsorption member 16 may be a metal adsorption member or a magnetic adsorption member.

[0046] Specifically, the first adsorption member and the second adsorption member 16 can be permanent magnets or electromagnets, the permanent magnets can be aluminum-nickel-cobalt permanent magnet alloys or iron-chromium-cobalt permanent magnet alloys, and the electromagnets can be selectively powered on and off as needed to control the working state of the locking device. The present application does not limit the specific types and raw materials of the adsorption members.

[0047] After the display module 20 is mounted on the frame structure 10, the opposite magnetic poles of the first adsorption member and the second adsorption member 16 are opposite, so that the display module 20 can be firmly fixed on the frame structure 10 under the attraction of the opposite magnetic poles. In this embodiment, the first adsorption member is at least one magnet provided on the display module 20, and the side wall of the display module 20 is provided with at least one magnet mounting groove, and each magnet is correspondingly mounted on the magnet mounting groove, and the second adsorption member is a magnetic iron sheet provided on the frame structure 10, and the magnetic iron sheet is installed on the side of the frame structure 10 facing the display module 20, so that the magnetic iron sheet can be adsorbed on at least one magnet.

[0048] In addition, the first adsorption component and the second adsorption component 16 can be magnetic components at the same time, wherein the magnetic pole of the first adsorption component is opposite to the opposite magnetic pole of the second adsorption component 16, and the opposite magnetic poles here refer to the opposite magnetic poles of the first adsorption component and the second adsorption component 16 constituting opposite magnetic poles, so that under the attraction of the opposite magnetic poles, the display module 20 can be fixed on the frame structure 10 and locked.

[0049] It should be noted that the first adsorption part can also be a bar magnet, a round magnet or a magnet of other shapes, and the second adsorption part can be other metal parts that can be attracted by magnets; or the first adsorption part can be other metal parts that can be attracted by magnets, and the second adsorption part is a magnet, and this application does not limit this.

[0050] In an optional embodiment, the display module 20 includes a PCBA board 21 and a connecting component 22, and two adjacent PCBA boards 21 are connected together through the connecting component 22. Since the area of ​​the frame structure 10 is large, and the length of the PCBA board 21 connected by the connecting component 22 is also long, and the PCBA board 21 is relatively thin and light, and is also a hollow structure of the grid bar 212. Therefore, the present application can ensure the strength and flatness of the display module 20 after being connected to the frame structure 10 by setting reinforcing ribs 14 on both sides of the central control structure 30.

[0051] In an optional embodiment, the central control structure 30 includes a central control housing 32 and a central control bottom plate 21, wherein the central control housing 32 is connected to the central control bottom plate 31 and forms a central control accommodating cavity for accommodating electronic components. In this embodiment, the two ends of the central control bottom plate 31 are respectively fixed on two opposite horizontal beams 11, or the two ends of the central control bottom plate 31 are respectively fixed on two opposite vertical beams 12, and the display module 20 is at least partially connected to the central control bottom plate 31; wherein, a plurality of heat dissipation slots 321 arranged in stages are arranged around the central control housing 32 to improve the heat dissipation effect of the central control structure 30, and can also improve the heat dissipation effect of the display module 20.

[0052] In an optional embodiment, the cross beam 11 is a cross beam 11 made of carbon fiber material, the vertical beam 12 is a vertical beam 12 made of carbon fiber material, and the corner block 13 is a corner block 13 made of metal material, so as to reduce the weight of the frame structure 10 and also ensure the connection strength of the frame structure 10. The two ends of the corner block 13 are respectively connected to the cross beam 11 and the vertical beam 12 through a first connecting member to form the frame structure 10, and the first connecting member includes but is not limited to a screw structure.

[0053] In an optional embodiment, a cross beam connecting groove 111 is provided at both ends of the cross beam 11, and a vertical beam connecting groove 121 is provided at both ends of the vertical beam 12. The cross beam connecting groove 111 is located on opposite sides of the two cross beams 11, and the vertical beam connecting groove 121 is located on opposite sides of the two vertical beams 12. Both ends of the corner block 13 are respectively fixed in the cross beam connecting groove 111 and the vertical beam connecting groove 121.

[0054] In an optional embodiment, a beam connection hole 112 is provided on the bottom surface and the side surface of the beam connection groove 111 , and the first connection member passes through the beam connection hole 112 and is connected to the corner block 13 .

[0055] In an optional embodiment, vertical beam connection holes 122 are provided on the bottom surface and the side surface of the vertical beam connection groove 121 , and the first connecting member passes through the vertical beam connection hole 122 and is connected to the corner block 13 .

[0056] In an optional embodiment, the corner block 13 includes a first corner block 131, and the first corner block 131 is provided with a connecting mechanism 1312 for splicing two adjacent frame structures 10 together. The connecting mechanism 1312 connects the two adjacent frame structures 10 together to ensure the stability of the two adjacent frame structures 10 after being spliced ​​together.

[0057] In an optional embodiment, the corner block 13 further includes a second corner block 132 , a positioning protrusion 1321 is provided on the second corner block 132 , a positioning groove 1311 is provided on the first corner block 131 , and a connecting mechanism 1312 is used to confine the positioning protrusion 1321 in the positioning groove 1311 .

[0058] Exemplarily, when two frame structures 10 are spliced ​​together, the positioning protrusion 1321 is inserted into the positioning groove 1311, and then the operating member on the connecting mechanism 1312 is operated so that the pin on the connecting mechanism 1312 can be inserted into the socket of the positioning protrusion 1321 extending into the positioning groove 1311, so as to ensure the stability of the two adjacent frame structures 10 after being spliced ​​together.

[0059] In an optional embodiment, the first corner block 131 has a first connection end 131a and a first connection end 131b, the first connection end 131a is used to connect with the cross beam connection groove 111, and the first connection end 131b is used to connect with the vertical beam connection groove 121. Similarly, the second corner block 132 has a second connection end 132a and a second connection end 132b, the second connection end 132aa is used to connect with the cross beam connection groove 111, and the second connection end 132b is used to connect with the vertical beam connection groove 121.

[0060] In an optional embodiment, the number of the horizontal beam 11, the vertical beam 12, the first corner block 131 and the second corner block 132 are all two, the two first corner blocks 131 are connected to the two ends of one of the horizontal beams 11, the two second corner blocks 132 are connected to the two ends of the other horizontal beam 11, and the two vertical beams 12 are correspondingly arranged on both sides of the two horizontal beams 11 and connected to the first corner blocks 131 and the second corner blocks 132.

[0061] In an optional embodiment, a first positioning member 17 having a positioning column 171 is provided in the middle of one of the cross beams 11, and a second positioning member 18 having a positioning hole 181 is provided in the middle of the other cross beam 11. The position of the positioning column 171 corresponds to the position of the positioning hole 181, and is used for positioning two adjacent frame structures 10 when they are spliced ​​together; at the same time, the first positioning member 17 and the second positioning member 18 can also serve as a reinforcement member to enhance the stability of the two adjacent frame structures 10 after splicing.

[0062] In an optional embodiment, the frame structure 10 further includes an L-shaped connecting edge strip 15, which is disposed on the plurality of horizontal beams 11 and the plurality of vertical beams 12, and a second adsorbent 16 is disposed on the connecting edge strip 15 for adsorbing the first adsorbent on the display module 20. The connecting edge strip 15 is made of a metal material.

[0063] In an optional embodiment, the LED display screen further includes a windproof bracket 40, which is connected to the frame structure 10 to enhance the stability of the LED display screen.

[0064] In an optional embodiment, the windproof bracket 40 includes a first folding bracket 41 and a second folding bracket 42. The first folding bracket 41 can be rotatably installed on one side of the frame structure 10, and the second folding bracket 42 can be rotatably installed on the other side of the frame structure 10. A support member is provided at the end of the second folding bracket 42 away from the frame structure 10.

[0065] When the first folding bracket 41 and the second folding bracket 42 are in the unfolded position, the end of the first folding bracket 41 away from the frame structure 10 is connected to the support member; when the first folding bracket 41 and the second folding bracket 42 are in the folded position, the first folding bracket 41 is separated from the support member and folded above the second folding bracket 42.

[0066] After adopting the above technical solution, since the first folding bracket 41 and the second folding bracket 42 are respectively hinged on both sides of the frame structure 10, the windproof bracket 40 can be folded when not in use. This is not only convenient to use and does not require manual installation and disassembly, greatly saving workload, but also has a simple structure and is easy to install.

[0067] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection. It can be a mechanical connection or an electrical connection. It can be directly connected or indirectly connected through an intermediate medium. It can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to the specific circumstances.

[0068] In the present application, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0069] The disclosure above provides many different embodiments or examples to realize the different structures of the present application. In order to simplify the disclosure of the present application, the parts and settings of specific examples are described above. Of course, they are only examples, and the purpose is not to limit the present application. In addition, the present application can repeat reference numbers and / or reference letters in different examples, and this repetition is for the purpose of simplification and clarity, which itself does not indicate the relationship between the various embodiments and / or settings discussed. In addition, the various specific processes and material examples provided by the present application, but those of ordinary skill in the art can be aware of the application of other processes and / or the use of other materials.

[0070] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials, or characteristics described in conjunction with the embodiments or examples are included in at least one embodiment or example of the present application. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

Claims

1. An LED display screen, characterized in that: It includes a display module, a frame structure and a central control structure, wherein the frame structure includes a plurality of horizontal beams and a plurality of vertical beams, a corner block is connected between each of the horizontal beams and the vertical beams, the central control structure is connected to the middle between two oppositely arranged horizontal beams / or vertical beams, and reinforcing ribs are arranged on both sides of the central control structure between the two oppositely arranged horizontal beams / or vertical beams; Among them, the display module has a connecting part and a plurality of grid bars arranged at intervals on the connecting part, and lamp beads are arranged at equal intervals on one side of the connecting part and the grid bars, and a first adsorption part is arranged on the other side of the connecting part and the grid bars, which is used to adsorb with the corresponding second adsorption parts on the horizontal beams, vertical beams and reinforcing ribs to attach the display module to the frame structure.

2. The LED display screen according to claim 1, characterized in that: The cross beam is made of carbon fiber material, the vertical beam is made of carbon fiber material, the corner block is made of metal material, and the two ends of the corner block are respectively connected to the cross beam and the vertical beam through a first connecting piece to form the frame structure.

3. The LED display screen according to claim 2, characterized in that: Both ends of the cross beam are provided with cross beam connecting grooves, and both ends of the vertical beam are provided with vertical beam connecting grooves. The cross beam connecting grooves are located on opposite sides of the two cross beams, and the vertical beam connecting grooves are located on opposite sides of the two vertical beams. Both ends of the corner block are respectively fixed in the cross beam connecting groove and the vertical beam connecting groove.

4. The LED display screen according to claim 3, characterized in that: The bottom surface and the side surface of the crossbeam connection groove are both provided with crossbeam connection holes, and the first connection member is connected to the corner block after passing through the crossbeam connection hole; and / or, Vertical beam connection holes are provided on the bottom surface and the side surface of the vertical beam connection groove, and the first connecting member is connected to the corner block after passing through the vertical beam connection hole.

5. The LED display screen according to claim 1, characterized in that: The corner block comprises a first corner block, on which a connecting mechanism for connecting two adjacent frame structures to each other is provided, and the connecting mechanism connects the two adjacent frame structures together.

6. The LED display screen according to claim 5, characterized in that: The corner block also includes a second corner block, the second corner block is provided with a positioning protrusion, the first corner block is provided with a positioning groove, and the connecting mechanism is used to limit the positioning protrusion in the positioning groove.

7. The LED display screen according to claim 6, characterized in that: The number of the cross beams, vertical beams, first corner blocks and second corner blocks are all two, the two first corner blocks are connected to the two ends of one of the cross beams, the two second corner blocks are connected to the two ends of the other cross beam, and the two vertical beams are correspondingly arranged on both sides of the two cross beams and connected to the first corner blocks and the second corner blocks.

8. The LED display screen according to claim 7, characterized in that: A first positioning piece with a positioning column is provided in the middle of one of the cross beams, and a second positioning piece with a positioning hole is provided in the middle of the other cross beam, and the position of the positioning column corresponds to the position of the positioning hole.

9. The LED display screen according to claim 1, characterized in that: The frame structure further comprises an L-shaped connecting edge strip, the connecting edge strip is arranged on the plurality of the horizontal beams and the plurality of the vertical beams, and the second adsorption member is arranged on the connecting edge strip; and / or, The LED display screen also includes a windproof bracket, and the windproof bracket is connected to the frame structure.

10. The LED display screen according to claim 1, characterized in that: The central control structure comprises a central control shell and a central control bottom plate, wherein the central control shell is connected to the central control bottom plate, both ends of the central control bottom plate are fixed to the horizontal beam or the vertical beam, and the display module is at least partially connected to the central control bottom plate; Wherein, a plurality of heat dissipation slots arranged in stages are arranged around the central control housing.

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