LED display screen

Abstract

An LED display screen comprises a display module, a hollowed-out frame and a central control box, the hollowed-out frame comprises a first hollowed-out part and a peripheral framework surrounding the first hollowed-out part, a hollowed-out bearing plate is arranged in the first hollowed-out part, the two ends of the hollowed-out bearing plate are connected with the peripheral framework respectively, and the central control box is arranged in the hollowed-out bearing plate. The display module is arranged on the front face of the hollow frame, and the central control box is located on the back face of the hollow frame and detachably connected with the hollow bearing plate. Wherein the display module is provided with a first plug connector, the central control box is provided with a second plug connector and sleeved with the first sealing assembly, and when the display module is connected with the central control box, at least part of the first sealing assembly is extruded in a gap between the first plug connector and the second plug connector; and the sealing ring is used for sealing the joint of the first plug connector and the second plug connector in the circumferential direction.

Description

TECHNICAL FIELD

[0001] The utility model relates to display screen technical field especially relates to a LED display screen. BACKGROUND

[0002] With the wide application of display screen, more and more kinds of display screen are developed and applied, and the high penetration screen is also included. However, in order to ensure the high penetration of the penetration screen, the integrated design of the central control and the frame structure is generally adopted in the market, which will affect the overall waterproof performance and is not conducive to the subsequent maintenance of the display screen. Therefore, a central control independent type and maintenance convenient penetration screen is specially designed. SUMMARY

[0003] The utility model provides a LED display screen, aims at least solve one of prior art existing technical problems.

[0004] The utility model provides a LED display screen, including display module, openwork frame and central control box, the openwork frame includes first openwork portion and the peripheral frame around first openwork portion, be provided with openwork receiving plate in first openwork portion, the both ends of openwork receiving plate are connected with peripheral frame respectively, display module sets up in the front of openwork frame, central control box is located the back of openwork frame and with openwork receiving plate can be dismantled connection,

[0005] Among them, be equipped with first plug connector on display module, be equipped with second plug connector and first sealing assembly on central control box, when display module is connected with central control box, at least part of first sealing assembly is extruded in the gap between first plug connector and second plug connector, to carry out the circumferential sealing of the junction of first plug connector and second plug connector.

[0006] In the LED display screen of one embodiment of the utility model, the display module includes a bottom shell having a second hollow portion and a lamp panel having a third hollow portion, the lamp panel is connected with the openwork frame through the bottom shell, and the position of the second hollow portion corresponds to the position of the third hollow portion.

[0007] In the LED display screen of one embodiment of the utility model, the outer edge of the bottom shell is not lower than the light emitting surface of the lamp panel.

[0008] In the LED display screen of one embodiment of the utility model, the peripheral side of the bottom shell is provided with a metal protective edge.

[0009] In the LED display screen of one embodiment of the utility model, the first sealing assembly includes a waterproof rubber ring, the second plug connector has a protruding portion extending towards the first plug connector, and the waterproof rubber ring is tightly fitted and installed in the gap between the protruding portion and the first plug connector.

[0010] In the LED display screen of the embodiment of the utility model, the first plug connector comprises a plug end and a plug slot surrounding the plug end, the plug slot cooperates with the protruding part and the waterproof rubber ring, so that part of the plug slot becomes a sealed cavity.

[0011] In the LED display screen of the embodiment of the utility model, the first sealing assembly comprises a rubber ring support, and the waterproof rubber ring is fixed on the protruding part through the rubber ring support.

[0012] In the LED display screen of the embodiment of the utility model, the hollow receiving plate is provided with a first dismounting part and a fourth hollow part, the fourth hollow part is formed with a reinforcing rib, and the central control box is detachably connected with the first dismounting part.

[0013] In the LED display screen of the embodiment of the utility model, the LED display screen further comprises a side lock structure, and the display module is detachably connected with the hollow frame through the side lock structure.

[0014] In the LED display screen of the embodiment of the utility model, the peripheral frame is provided with a connecting hole and a connecting piece, and the connecting hole and the connecting piece are respectively located on opposite sides of the hollow frame.

[0015] The LED display screen further comprises a lock seat mounted on the connecting hole, the connecting piece is connected with the lock seat, so that the adjacent two hollow frames can be spliced together.

[0016] The LED display screen further comprises an arc lock fixed on the connecting hole, the connecting piece is connected with the arc lock, so that the adjacent two hollow frames can be spliced and form an arc-shaped screen.

[0017] The connecting piece is connected with the connecting hole, and the splicing end surfaces of the adjacent two hollow frames are cutting surfaces with the same inclination angle, so that the adjacent two hollow frames can be spliced and form a right-angle screen.

[0018] The technical scheme provided by the embodiment of the application can have the following beneficial effects: the application designs an LED display screen, which comprises a display module, a hollow frame and a central control box, the hollow frame comprises a first hollow part and a peripheral frame surrounding the first hollow part, the display module is arranged on the front surface of the hollow frame, and the central control box is located on the back surface of the hollow frame and detachably connected with the hollow receiving plate, so that the battery assembly, the communication module and the control card and other electronic elements of the display screen can be sealed in the independently arranged central control box, the sealing effect of the battery assembly, the communication module and the control card is improved, and the integration degree is high; meanwhile, the electronic elements in the central control box can be increased or decreased at will according to the design requirements of the display screen, the electronic elements do not need to be individually sealed and protected, the structure is simplified, and the reliability is improved; meanwhile, the connection position of the first connector and the second connector can also be circumferentially sealed by the first sealing assembly, so that the sealing performance between the display module and the central control box is not affected by the pressing state of the display module and the central control box, the structure is simple, and the sealing performance is good.

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

[0020] In order to more clearly illustrate the technical scheme of the embodiments of the application, the drawings needed in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are some embodiments of the application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0021] Figure 1 is a structural schematic view of an LED display screen provided by an embodiment of the application;

[0022] Figure 2 is Figure 1 a structural schematic view of the display module in

[0023] Figure 3 is Figure 2 an exploded schematic view of the display module in

[0024] Figure 4 is Figure 1 an exploded schematic view of the central control box in

[0025] Figure 5 is Figure 1 an exploded schematic view of the hollow frame in

[0026] Figure 6 is Figure 1 a structural schematic view of the LED display screen after splicing in

[0027] Figure 7 isFigure 6 The exploded schematic view of the LED display screen after splicing.

[0028] Explanation of reference signs:

[0029] 10, hollow frame; 11, peripheral frame; 111, connecting hole; 112, splicing end face; 12, first hollow part; 13, hollow receiving plate;

[0030] 20, display module; 20a, first plug-in part; 201a, plug-in end; 202a, plug-in slot; 21, bottom shell; 211, outer edge; 212, second hollow part; 22, lamp plate; 221, third hollow part;

[0031] 30, central control box; 30a, second plug-in part; 31, box body; 32, cover body; 321, protruding part; 33, electronic element; 34, second sealing part; 35, limiting part; 36, first sealing assembly; 361, waterproof rubber ring; 362, rubber ring support;

[0032] 40, connecting part;

[0033] 50, arc lock. DETAILED DESCRIPTION

[0034] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0035] It should also be understood that the terms used in the description of the present application are only for the purpose of describing specific embodiments of the present application in the description of the present application, and it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the purpose of facilitating the description of the present application and simplifying the description, and do not indicate or imply that the devices or elements indicated thereby must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated thereby. Therefore, the features defined as "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "a plurality of" is two or more, unless otherwise specifically limited.

[0036] Some embodiments of the present application will be described in detail below with reference to the accompanying drawings. The following examples and features in the examples can be combined with each other without conflict.

[0037] As Figures 1 to 7 shown, the present application provides an LED display screen, comprising a display module 20, a hollow frame 10 and a control box 30, the display module 20 is arranged on the front surface of the hollow frame 10, the control box 30 is located on the back surface of the hollow frame 10 and is detachably connected with the hollow frame 10, for realizing signal connection and / or power connection between the display module 20 and the outside, so that the LED display screen obtains signals from the control box 30 and displays pictures.

[0038] In an optional embodiment, the control box 30 is provided with a battery assembly, a communication module and a control card and other electronic elements 33, the battery assembly, the communication module and the control card are electrically connected, the control card is electrically connected with the display module 20, the battery assembly provides electric energy for the control card, the communication module and the display module 20, the communication module is used for receiving communication data input from the outside and transmitting to the control card, the control card is used for receiving and processing the communication data transmitted by the communication module, and controlling the display work of the display module 20 according to the processing result.

[0039] With the above technical scheme, since the electronic elements 33 such as the battery assembly, the communication module and the control card are all sealed in the central control box 30, the central control box 30 is a separate structure detachable from the hollow frame 10, which is not only high in integration and simple in structure, but also concentrates heat dissipation; meanwhile, the number of sealing surfaces can be reduced, the sealing performance and strength of the LED display screen are improved, the reliability is enhanced, the packaging difficulty of the LED display screen is reduced, the electronic elements 33 such as the battery assembly, the communication module and the control card do not need to be sealed and protected separately, the structure is simplified, the manufacturing difficulty is reduced, and the cost is saved.

[0040] In an optional embodiment, the hollow frame 10 includes the first hollow part 12 and the peripheral frame 11 surrounding the first hollow part 12, and the hollow receiving plate 13 is arranged in the first hollow part 12, and the two ends of the hollow receiving plate 13 are connected with the peripheral frame 11, which not only ensures the structural strength of the hollow frame 10, but also enables the central control box 30 to be detachably connected with the hollow receiving plate 13; meanwhile, light can pass through the first hollow part 12, so that the viewer can see the objects behind the LED display screen.

[0041] In an optional embodiment, the display module 20 is provided with the first plug-in part 20a, the central control box 30 is provided with the second plug-in part 30a and the first sealing assembly 36, and when the display module 20 is connected with the central control box 30, at least part of the first sealing assembly 36 is pressed in the gap between the first plug-in part 20a and the second plug-in part 30a, so as to circumferentially seal the connection between the first plug-in part 20a and the second plug-in part 30a, and the cavity where the first plug-in part 20a and the second plug-in part 30a are located can form a sealed cavity, so as to prevent external liquid and dust and other pollutants from entering, thereby effectively protecting the first plug-in part 20a and the second plug-in part 30a, and avoiding the influence of external liquid on the first plug-in part 20a and the second plug-in part 30a, such as short circuit and corrosion.

[0042] In an optional embodiment, the display module 20 includes the bottom shell 21 with the second hollow part 212 and the lamp plate 22 with the third hollow part 221, and the lamp plate 22 is connected with the hollow frame 10 through the bottom shell 21, the position of the second hollow part 212 corresponds to the position of the third hollow part 221, so as to allow light to pass through the second hollow part 212 and the third hollow part 221, enhance the penetration rate of the whole screen, and enable the viewer to see the objects behind the display screen, so that the LED display screen can adapt to different use scenarios and be used flexibly and conveniently. For example, when installed outdoors, the impact force of strong wind on the screen body can be reduced, and the safety of the display screen is enhanced; or when installed on a display cabinet or a glass curtain wall of a shopping mall or a store, sunlight can be prevented from being blocked, and the viewer can also see the objects behind the display screen. In addition, the air flow and ventilation and heat dissipation effect between the lamp beads on the lamp plate 22 can be ensured.

[0043] In an optional embodiment, the outer edge 211 of the bottom shell 21 is not lower than the light-emitting surface of the lamp panel 22, facilitating glue pouring, so that the glue can be stored in the space surrounded by the outer edge 211.

[0044] In an optional embodiment, the peripheral side of the bottom shell 21 is provided with a metal protective edge, which can prevent damage to the lamp panel 22 and the lamp beads on the lamp panel 22 caused by collision.

[0045] In an optional embodiment, the first sealing assembly 36 includes a waterproof rubber ring 361, and the second connector 30a has a protrusion 321 extending towards the first connector 20a, and the waterproof rubber ring 361 is tightly fitted in the gap between the protrusion 321 and the first connector 20a. This not only effectively ensures the sealing performance of the waterproof rubber ring 361 at the connection between the first connector 20a and the second connector 30a, so that the sealing performance of the waterproof rubber ring 361 is not affected by the compression state of the display module 20 and the central control box 30, but also improves the assembly efficiency of the display module 20 and the central control box 30, without the need to apply pressure to the display module 20 and the central control box 30 to deform the waterproof rubber ring 361, and without the need to worry about the sealing failure caused by the displacement of the waterproof rubber ring 361 during the tightening process of the display module 20 and the central control box 30, or the influence of the sealing performance of the waterproof rubber ring 361 caused by the loosening of the display module 20 and the central control box 30, ensuring the sealing performance of the waterproof rubber ring 361 and preventing external liquid from penetrating into the first connector 20a and the second connector 30a to affect the first connector 20a and the second connector 30a.

[0046] In an optional embodiment, the first connector 20a includes a connector end 201a and a connector groove 202a surrounding the connector end 201a, and the connector groove 202a cooperates with the protrusion 321 and the waterproof rubber ring 361, so that part of the connector groove 202a becomes a sealing cavity to prevent external liquid from penetrating into the first connector 20a and the second connector 30a from the sealing cavity, thereby affecting the first connector 20a and the second connector 30a.

[0047] In an optional embodiment, the first sealing assembly 36 includes a rubber ring holder 362, and the waterproof rubber ring 361 is fixed on the protrusion 321 by the rubber ring holder 362 to prevent the waterproof rubber ring 361 from moving relative to the protrusion 321.

[0048] In an optional embodiment, the central control box 30 comprises a box body 31, a cover body 32 and a second sealing member 34. The box body 31 is formed with a receiving groove in which the electronic elements 33 such as the battery assembly, the communication module and the control card are accommodated. The cover body 32 covers the open end of the receiving groove. The second sealing member 34 is arranged at the connection between the cover body 32 and the box body 31, so that the receiving groove forms a closed cavity to prevent external liquid from entering the receiving groove, thereby protecting the electronic elements 33 such as the battery assembly, the communication module and the control card.

[0049] In an optional embodiment, the central control box 30 comprises a limiting member 35. The second sealing member 34 is fixed on one of the cover body 32 and the box body 31 by the limiting member 35, so as to prevent the second sealing member 34 from moving relative to the cover body 32 and the box body 31 when the cover body 32 is assembled to the box body 31.

[0050] In an optional embodiment, the hollow receiving plate 13 is provided with a first dismounting part and a fourth hollow part. The fourth hollow part is formed with reinforcing ribs to ensure the structural strength of the hollow receiving plate 13 while increasing the penetration. The central control box 30 is detachably connected to the first dismounting part, so as to facilitate the subsequent maintenance of the central control box 30.

[0051] In an optional embodiment, the LED display screen further comprises a side lock structure. The display module 20 is detachably connected to the hollow frame 10 through the side lock structure, and the connection is stable and does not affect the penetration of the display module 20. The hollow frame 10 is provided with a groove structure matched with the side lock structure.

[0052] In an optional embodiment, the peripheral frame 11 is provided with a connecting hole 111 and a connecting member 40. The connecting hole 111 and the connecting member 40 are respectively located on opposite sides of the hollow frame 10, so that the adjacent two hollow frames 10 can be connected through the cooperation of the connecting member 40 and the connecting hole 111 or spliced into a straight screen, a curved screen or a right-angle screen through the connecting member 40 and an auxiliary member mounted on the connecting hole 111.

[0053] In an optional embodiment, the LED display screen further comprises a lock seat arranged on the connecting hole 111. The connecting member 40 is connected to the lock seat, so that the adjacent two hollow frames 10 can be spliced together. The lock seat can be an integral structure with the connecting hole 111, or can be a separate structure from the connecting hole 111. The present application does not make any limitation, and the main purpose is to splice the adjacent two hollow frames 10 through the connecting member 40.

[0054] In an alternative embodiment, the LED display screen further comprises an arc lock 50 fixed on the connecting hole 111, and the connecting piece 40 is connected with the arc lock 50, so that the two adjacent hollow frames 10 can be spliced to form an arc-shaped screen. The arc lock 50 can be an arc lock 50 in the prior art, which will not be described here.

[0055] In an alternative embodiment, the connecting piece 40 is connected with the connecting hole 111, and the splicing end surfaces 112 of the two adjacent hollow frames 10 are cutting surfaces with the same inclination angle, so that the two adjacent hollow frames 10 can be spliced to form a right-angle screen. The inclination angle is 45 degrees.

[0056] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connecting" should be understood in a broad sense, for example, it can be fixed connection, or detachable connection, or integrally connected. It can be mechanical connection, or electrical connection. It can be directly connected, or indirectly connected through an intermediate medium. It can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0057] In the present application, unless otherwise explicitly specified and limited, the first feature "on" or "under" the second feature can include that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the first feature "on", "above" and "above" the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "under", "below" and "below" the second feature includes that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0058] The above disclosure provides many different embodiments or examples for implementing the different structures of the present application. In order to simplify the disclosure of the present application, the components and arrangements of the specific examples are described in the above. Of course, they are only examples, and the purpose is not to limit the present application. In addition, the present application can repeatedly refer to the same reference numerals and / or reference letters in different examples. Such repetition is for the purpose of simplification and clarity, and does not in itself indicate a relationship between the various embodiments and / or arrangements discussed. In addition, the present application provides examples of various specific processes and materials, but those skilled in the art can realize the application of other processes and / or the use of other materials.

[0059] In the description of the specification, the description using terms such as "one embodiment", "some embodiments", "certain embodiments", "an example", "a specific example" or "some examples" etc. means that the particular feature, structure, material or characteristic being described is included in at least one embodiment or example of the application. The illustrative appearances of the above terms in various places in the specification are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials or characteristics can be combined in any suitable manner in one or more embodiments or examples.

Claims

1. An LED display screen, characterized in that, The LED display screen comprises a display module, a hollow frame and a central control box, the hollow frame comprises a first hollow part and a peripheral frame surrounding the first hollow part, a hollow receiving plate is arranged in the first hollow part, two ends of the hollow receiving plate are connected with the peripheral frame respectively, the display module is arranged on the front surface of the hollow frame, and the central control box is located on the back surface of the hollow frame and is detachably connected with the hollow receiving plate. The display module is provided with a first plug-in part, the central control box is provided with a second plug-in part and a first sealing assembly, and at least part of the first sealing assembly is pressed in the gap between the first plug-in part and the second plug-in part when the display module is connected with the central control box, so as to seal the connection part of the first plug-in part and the second plug-in part in the circumferential direction.

2. The LED display screen of claim 1, wherein, The display module comprises a bottom shell with a second hollow part and a lamp plate with a third hollow part, the lamp plate is connected with the hollow frame through the bottom shell, and the position of the second hollow part corresponds to the position of the third hollow part.

3. The LED display screen of claim 2, wherein, The outer edge of the bottom shell is not lower than the light emitting surface of the lamp plate.

4. The LED display screen of claim 2, wherein, The peripheral side of the bottom shell is provided with a metal protection edge.

5. The LED display screen of claim 1, wherein, The first sealing assembly comprises a waterproof rubber ring, the second plug-in part has a protruding part extending towards the first plug-in part, and the waterproof rubber ring is tightly fitted in the gap between the protruding part and the first plug-in part.

6. The LED display screen of claim 5, wherein, The first plug-in part comprises a plug-in end and a plug-in groove surrounding the plug-in end, the plug-in groove cooperates with the protruding part and the waterproof rubber ring, so that part of the plug-in groove becomes a sealing cavity.

7. The LED display screen of claim 5, wherein, The first sealing assembly comprises a rubber ring support, and the waterproof rubber ring is fixed on the protruding part through the rubber ring support.

8. The LED display screen of claim 1, wherein, The hollow receiving plate is provided with a first dismounting part and a fourth hollow part, the fourth hollow part is formed with a reinforcing rib, and the central control box is detachably connected with the first dismounting part.

9. The LED display screen of claim 1, wherein, The LED display screen further comprises a side lock structure, and the display module is detachably connected with the hollow frame through the side lock structure.

10. The LED display screen of claim 1, wherein, The peripheral frame is provided with a connecting hole and a connecting piece, and the connecting hole and the connecting piece are located on opposite sides of the hollow frame respectively. The LED display screen further comprises a lock seat arranged on the connecting hole, and the connecting piece is connected with the lock seat, so that two adjacent hollow frames can be spliced together. The LED display screen further comprises an arc lock fixed on the connecting hole, and the connecting piece is connected with the arc lock, so that two adjacent hollow frames can be spliced to form an arc-shaped screen. The connecting piece is connected with the connecting hole, and the splicing end surfaces of two adjacent hollow frames are cutting surfaces with the same inclination angle, so that two adjacent hollow frames can be spliced to form a right-angle screen.

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