LED Display

Abstract

The present invention belongs to the technical field of electronic equipment, and in particular, relates to an LED display screen, including a box, an upper cover assembly, a driving assembly and a plurality of display modules, wherein a mounting cavity with an opening is provided on the top of the box, the driving assembly is installed in the mounting cavity, each of the display modules is installed on the front of the box, and each of the display modules is electrically connected to the driving assembly, and the upper cover assembly is covered on the opening of the mounting cavity and seals the opening of the mounting cavity. The driving assembly of the LED display screen of the present invention is installed on the upper part of the LED display screen, and the operator only needs to unfasten the upper cover assembly to perform maintenance operations on the LED display screen, and the maintenance operation is simple and convenient, and the structure of the entire LED display screen is simple.

Description

Technical Field

[0001] The invention belongs to the technical field of electronic equipment, and in particular relates to an LED display screen. Background Art

[0002] The existing large-scale LED display screens are mainly maintained from the front or the back of the LED display screen. Although the front maintenance or back maintenance of the LED display screen is simple and convenient, when the LED display screen is used for outdoor display, due to the limitation of the outdoor site, the back of the LED display screen will be set close to the wall, and the operator cannot maintain the LED display screen from the back of the LED display screen. At the same time, most of the LED display screens are located at high places, and the operators have to perform high-altitude operations, and during the maintenance process, they need to move according to the position of different display modules. The operation process is difficult and dangerous. Summary of the invention

[0003] The purpose of the present invention is to provide an LED display screen, aiming to solve the technical problem of difficult maintenance of outdoor LED display screens in the prior art.

[0004] To achieve the above-mentioned purpose, the technical solution adopted by the present invention is: an LED display screen, including a box body, an upper cover assembly, a driving assembly and a plurality of display modules, the top of the box body is provided with an installation cavity with an opening, the driving assembly is installed in the installation cavity, each of the display modules is installed on the front side of the box body, and each of the display modules is electrically connected to the driving assembly, and the upper cover assembly is covered on the opening of the installation cavity and seals the opening of the installation cavity.

[0005] Furthermore, each of the display modules includes a plurality of display units and a bracket, each of the display units is fixedly mounted on a side of the bracket in sequence, and mutually pluggable positioning pins and positioning holes are provided between the box body and the bracket.

[0006] Furthermore, a screw is connected to the top surface of the bracket, a threaded hole is provided on the box body, and the screw is threadedly connected in the threaded hole.

[0007] Further, the bracket includes a first transverse frame, a second transverse frame, a first longitudinal frame and a second longitudinal frame, two ends of the first transverse frame are respectively connected to the upper end of the first longitudinal frame and the upper end of the second longitudinal frame, and two ends of the second transverse frame are respectively connected to the lower end of the first longitudinal frame and the lower end of the second longitudinal frame; the first transverse frame is provided with the positioning pin and / or the positioning hole; and / or the second transverse frame is provided with the positioning hole and / or the positioning pin; the opposite two sides of each of the display units are respectively fixedly installed on the first longitudinal frame and the second longitudinal frame, and each of the display units is arranged in sequence along the length direction of the first longitudinal frame.

[0008] Furthermore, the upper cover assembly includes an outer upper cover and a waterproof cover, wherein the waterproof cover is connected to the bottom of the outer upper cover, the waterproof cover is buckled on the installation cavity and seals the opening of the installation cavity, and the bottom of the outer upper cover abuts against the edge of the corresponding display module.

[0009] Further, the box body includes a first side panel, a second side panel, a third side panel, a connecting plate and an installation box, the first side panel, the second side panel and the third side panel are vertically connected in sequence and the first side panel and the third side panel are located on the same side of the second side panel, the two ends of the connecting plate are respectively connected to the end of the first side panel away from the second side panel and the end of the third side panel away from the second side panel, the bottom surface of the installation box is fixedly installed on the connecting plate, and the installation cavity is opened on the top surface of the installation box; the bottom of the waterproof cover is opened with a buckle cavity, the waterproof cover is buckled on the installation box, and the installation box is located in the buckle cavity.

[0010] Furthermore, the upper cover assembly also includes a connecting rope, one end of which is fixedly connected to the outer upper cover, and the other end of which is hooked on the box body.

[0011] Furthermore, the driving component includes a power supply device and a control board, the control board, the power supply device and each of the display modules are electrically connected, and the power supply device and the control board are fixedly mounted on the side wall of the mounting cavity.

[0012] Furthermore, the power supply device includes a mounting folding plate and a plurality of batteries, the batteries are mounted on the side of the mounting folding plate, and the mounting folding plate is fixedly mounted on the inner wall adjacent to the mounting cavity.

[0013] Furthermore, the power supply device also includes a thermally conductive silicone sheet, a through hole is opened on the installation folding plate, the thermally conductive silicone sheet is arranged in the through hole, and the thermally conductive silicone sheet is located between the inner wall surface of the installation cavity and each of the batteries.

[0014] Beneficial effects of the present invention: During maintenance, the operator located on the upper part of the LED display screen can open the upper cover assembly on the LED display screen to perform maintenance operations on the drive assembly in the installation cavity. The operation is simple and reliable. The operator performs maintenance on the upper part of the LED display screen. The upper maintenance space of the LED display screen is large and will not be affected by the installation conditions of the LED display screen, thereby enhancing the versatility of the LED display screen. The drive assembly is connected to all display modules. The operator can perform maintenance operations on all display modules on the upper part of the LED display screen, and the operator does not need to move during the maintenance operation, thereby increasing the safety of the operator's maintenance. The LED display screen of the present invention has a simple structure and simple and convenient maintenance operations. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0016] Figure 1 A schematic diagram of the structure of an LED display screen provided by an embodiment of the present invention.

[0017] Figure 2 An exploded view of an LED display screen provided by an embodiment of the present invention.

[0018] Figure 3 A schematic structural diagram of a box body of an LED display screen provided by an embodiment of the present invention.

[0019] Figure 4 An exploded view of an upper cover assembly of an LED display screen provided in an embodiment of the present invention.

[0020] Figure 5 An exploded view of a display module of an LED display screen provided in an embodiment of the present invention.

[0021] Figure 6 A schematic diagram of the structure of an installation box and a driving assembly of an LED display screen provided in an embodiment of the present invention.

[0022] Figure 7 An exploded view of a power supply device for an LED display screen provided in an embodiment of the present invention.

[0023] Among them, the reference numerals in the figure are:

[0024] 100—box body 101—first side plate 102—second side plate

[0025] 103—third side plate 104—connecting plate 105—installation box

[0026] 106 - waterproof rubber strip 107 - transverse reinforcement plate 108 - transverse fixing rod

[0027] 109—longitudinal fixing rod 110—back plate 200—upper cover assembly

[0028] 210—outer cover 220—waterproof cover 221—buckle cavity

[0029] 222 - grounding plug 300 - drive assembly 310 - power supply device

[0030] 311—installation folding plate 312—battery 313—thermal conductive silicone sheet

[0031] 320—control board 400—display module 410—display unit

[0032] 420—bracket 421—first transverse frame 422—second transverse frame

[0033] 423 - first longitudinal frame 424 - second longitudinal frame 425 - handle

[0034] 426—screw 1021—first positioning pin 1051—installation cavity

[0035] 1052—grounding socket 1053—connector device 1054—switch device

[0036] 1055—third positioning pin 1081—second positioning hole 1082—threaded hole

[0037] 3111—Horizontal section 3112—Vertical section 4211—Second positioning pin

[0038] 4221—first positioning hole 31111—third positioning hole 31121—through hole. DETAILED DESCRIPTION

[0039] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. Figures 1 to 7 The described embodiments are exemplary and intended to be used to explain the present invention, but should not be construed as limiting the present invention.

[0040] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention 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 the present invention.

[0041] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0042] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like 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 a direct connection or an indirect connection 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 the present invention can be understood according to specific circumstances.

[0043] like Figures 1 to 7 As shown, an embodiment of the present invention provides an LED display screen, including a box body 100, an upper cover assembly 200, a driving assembly 300 and a plurality of display modules 400, each of the display modules 400 is installed on the front side of the box body 100, a mounting cavity 1051 with an opening is provided on the top of the box body 100, the driving assembly 300 is installed in the mounting cavity 1051, each of the display modules 400 is electrically connected to the driving assembly 300, and the upper cover assembly 200 is covered on the opening of the mounting cavity 1051 and seals the opening of the mounting cavity 1051.

[0044] Specifically, during the specific maintenance of the LED display screen of the embodiment of the present invention, the operator located on the upper part of the LED display screen can open the upper cover assembly 200 on the LED display screen to perform maintenance operations on the drive assembly 300 in the installation cavity 1051. The operation is simple and reliable. The operator performs maintenance on the upper part of the LED display screen. The upper maintenance space of the LED display screen is large and will not be affected by the installation conditions of the LED display screen, which enhances the versatility of the LED display screen. The drive assembly 300 is connected to all display modules 400. The operator can perform maintenance operations on all display modules 400 on the upper part of the LED display screen, and the operator does not need to move during the maintenance operation, which also increases the safety of the operator's maintenance. The LED display screen of the embodiment of the present invention has a simple structure and simple and convenient maintenance operations.

[0045] Furthermore, the LED display screen is generally fixedly installed on a mounting frame or a wall. When an operator is maintaining the LED display screen, the operator generally steps on the top of the mounting frame or the top of the wall, which ensures the personal safety of the operator and makes the maintenance operation simpler and more convenient.

[0046] In this embodiment, refer to Figure 1 , Figure 2 and Figure 5 As shown, each display module 400 includes a plurality of display units 410 and a bracket 420. Each display unit 410 is fixedly mounted on the side of the bracket 420 in turn. Positioning pins and positioning holes that are plugged into and matched with each other are provided between the box 100 and the bracket 420.

[0047] Specifically, in the LED display screen of the embodiment of the present invention, when the display module 400 is installed, each display unit 410 is first installed on the bracket 420 in sequence, and then the bracket 420 is fixed to the box body 100 by means of mutually plugged positioning pins and positioning holes. The bracket 420 and the box body 100 use mutually plugged positioning pins and positioning holes. This fixing structure facilitates the installation and disassembly operations of the bracket 420, and the bracket 420 can be stably fixed to the box body 100.

[0048] Furthermore, a first positioning hole 4221 is provided at the bottom of the bracket 420, a first positioning pin 1021 is provided on the box 100, and the first positioning pin 1021 is inserted into the first positioning hole 4221. A second positioning pin 4211 is provided on the top surface of the bracket 420, and a second positioning hole 1081 is provided on the box 100, and the second positioning pin 4211 is inserted into the second positioning hole 1081. In the LED display screen of the embodiment of the present invention, when the display module 400 is specifically installed, the display unit 410 can be first installed on the bracket 420, and then the first positioning hole 4221 at the lower end of the bracket 420 is inserted into the first positioning pin 1021 on the box 100, and then the second positioning pin 4211 at the upper end of the bracket 420 is inserted into the second positioning hole 1081 on the box 100; when the display module 400 is specifically disassembled, the second positioning pin 4211 at the upper end of the bracket 420 is lifted. 211, then push the display module 400 in the direction away from the box body 100, and finally lift the bracket 420 upward, the first positioning hole 4221 at the lower end of the bracket 420 is disengaged from the first positioning pin 1021 on the box body 100, and the display module 400 can be quickly disassembled and installed with the box body 100 through the fixed connection between the first positioning hole 4221 and the first positioning pin 1021 and the second positioning hole 1081 and the second positioning pin 4211.

[0049] Furthermore, when installing and disassembling the display module 400, the operator can insert and remove the bracket 420 of the display module 400 on the upper part of the box 100. With the LED display screen of the embodiment of the present invention, the operator can replace and maintain the display module 400 and maintain the drive assembly 300 by standing on the upper part of the display screen, and the maintenance operation is simple and reliable.

[0050] In this embodiment, refer to Figure 1 , Figure 2 and Figure 5 As shown, a screw 426 is also connected to the top surface of the bracket 420 , and a threaded hole 1082 is provided on the box body 100 , and the screw 426 is threadedly connected in the threaded hole 1082 .

[0051] Specifically, through the threaded connection between the screw 426 and the threaded hole 1082, when the screw 426 is rotated, the bracket 420 is driven to move up and down, thereby adjusting the upper and lower positions of the display modules 400 to ensure that the display modules 400 are spliced ​​together without misalignment; at the same time, the screw 426 can also make the bracket 420 firmly fixed on the box 100.

[0052] Preferably, the screw 426 is a captive screw, which facilitates installation and removal of the display module 400.

[0053] In this embodiment, refer to Figure 1 , Figure 2 and Figure 5 As shown, the bracket 420 includes a first transverse frame 421, a second transverse frame 422, a first longitudinal frame 423 and a second longitudinal frame 424, the two ends of the first transverse frame 421 are respectively connected to the upper end of the first longitudinal frame 423 and the upper end of the second longitudinal frame 424, the two ends of the second transverse frame 422 are respectively connected to the lower end of the first longitudinal frame 423 and the lower end of the second longitudinal frame 424; the first transverse frame 421 is provided with the positioning pin and / or the positioning hole; and / or the second transverse frame 422 is provided with the positioning pin and / or the positioning hole; the opposite two sides of each of the display units 410 are respectively fixedly installed on the first longitudinal frame 423 and the second longitudinal frame 424, and each of the display units 410 is arranged in sequence along the length direction of the first longitudinal frame 423.

[0054] Specifically, the bracket 420 is composed of a first horizontal frame 421, a first vertical frame 423, a second horizontal frame 422 and a second vertical frame 424 connected end to end. The structure is simple and easy to implement and can effectively reduce the weight of the entire LED display screen. Installing each display unit 410 on the first vertical frame 423 and the second vertical frame 424 can ensure that each display unit 410 is installed on the same plane, so that the display module 400 has good flatness.

[0055] Furthermore, the first transverse frame 421 , the first longitudinal frame 423 , the second transverse frame 422 and the second longitudinal frame 424 may be connected by snapping, welding or integral molding.

[0056] Furthermore, a handle is provided on the first transverse frame 421 , and the provision of the handle facilitates the operator to take the display module 400 , and also facilitates the operator to install, disassemble and maintain the display module 400 from above the LED display screen.

[0057] Furthermore, the display module 400 also includes a steel wire rope, and buckles are provided on both ends of the steel wire rope. The two buckles are respectively buckled on the bracket 420 and the box 100. The steel wire rope is used to connect the bracket 420 and the box 100, so that the use of the LED display screen is safer and more reliable during normal use and when installing and removing the bracket 420.

[0058] In this embodiment, refer to Figure 1 , Figure 2 and Figure 4As shown, the upper cover assembly 200 includes an outer upper cover 210 and a waterproof cover 220. The waterproof cover 220 is connected to the bottom of the outer upper cover 210. The waterproof cover 220 is buckled on the installation cavity 1051 and seals the opening of the installation cavity 1051. The bottom of the outer upper cover 210 abuts against the corresponding edge of the display module 400.

[0059] Specifically, the outer cover 210 and the waterproof cover 220 on the box 100 of the LED display screen of the embodiment of the present invention are fixedly connected together. When the LED display screen is maintained, the outer cover 210 and the waterproof cover 220 can be removed together at one time, so that the maintenance operation of the LED display screen is simple; the waterproof cover 220 is buckled at the opening of the installation cavity 1051 to prevent rainwater from penetrating into the interior of the installation cavity 1051, to ensure that the driving component 300 inside the installation cavity 1051 will not be corroded by rainwater, and the waterproof performance of the entire LED display screen is improved; at the same time, because the bottom of the outer cover 210 abuts against the edge of the corresponding display module 400, after the rainwater flows from the outer cover 210 to the edge of the display module, it directly flows down along the outer side of the display module 400, further, preventing rainwater from flowing into the interior of the LED display screen, and improving the waterproof performance of the LED display screen.

[0060] Further, the outer upper cover 210 is an arc-shaped upper cover that protrudes away from the waterproof cover 220; the waterproof cover 220 is covered on the opening of the installation cavity 1051; the opposite two sides of the arc-shaped upper cover extend out of the waterproof cover 220 respectively, and one side of the arc-shaped upper cover is located on the upper part of each display module 400 and protrudes out of the display surface of each display module 400, and the other side of the arc-shaped upper cover is located on the upper part of the box 100 and protrudes out of the back of the box 100. The arc-shaped upper cover protrudes upward, and one side of the arc-shaped upper cover is located on the upper part of each display module 400 and protrudes out of the display surface of each display module 400, and the other side of the arc-shaped upper cover is located on the upper part of the box 100 and protrudes out of the back of the box 100. Rainwater can flow down along the arc-shaped upper cover toward the front and rear sides of the LED display screen, and will not flow into the interior of the LED display screen, thereby increasing the waterproof performance of the LED display screen.

[0061] Furthermore, the arc-shaped upper cover is directly fixed to the top surface of the box body 100 by screws, and the fixation of the arc-shaped upper cover is more secure. The appearance of the arc-shaped upper cover is beautiful, and it prevents users from placing debris on the top surface of the LED display screen, thereby ensuring the normal operation of the LED display screen.

[0062] In this embodiment, refer to Figure 1 , Figure 2 and Figure 3As shown, the box body 100 includes a first side panel 101, a second side panel 102, a third side panel 103, a connecting plate 104 and an installation box 105. The first side panel 101, the second side panel 102 and the third side panel 103 are vertically connected in sequence and the first side panel 101 and the third side panel 103 are both located on the same side of the second side panel 102. The two ends of the connecting plate 104 are respectively connected to the end of the first side panel 101 away from the second side panel 102 and the end of the third side panel 103 away from the second side panel 102. The bottom surface of the installation box 105 is fixedly installed on the connecting plate 104, and the installation cavity 1051 is opened on the top surface of the installation box 105; the bottom of the waterproof cover 220 is opened with a buckling cavity 221, the waterproof cover 220 is buckled on the installation box 105, and the installation box 105 is located in the buckling cavity 221.

[0063] Specifically, the box body 100 is a frame structure formed by splicing the first side plate 101, the second side plate 102, the third side plate 103 and the connecting plate 104, so that the structure of the entire box body 100 is simple, easy to implement and light in weight. The installation box 105 is fixed on the connecting plate 104 and located at the upper part of the box body 100. The installation box 105 is used to fix and install the drive assembly 300. The structure is simple, and the drive assembly 300 can be first installed in the installation box 105, and then the installation box 105 is installed on the connecting plate 104, so as to realize the modular installation of the LED display. At the same time, a buckling cavity 221 is provided on the bottom surface of the waterproof cover 220, and the waterproof cover 220 is buckled on the installation box 105, and the installation box 105 is located in the buckling cavity 221, that is, the outer wall surface of the buckling cavity 221 is located outside the installation box 105, which makes rainwater or the outer side of the waterproof cover 220 flow down, and will not flow into the installation box 105, thereby increasing the waterproof performance of the LED display.

[0064] Furthermore, a waterproof rubber strip 106 is provided on the bottom surface of the buckled cavity 221. When the waterproof cover 220 is buckled onto the installation box 105, the waterproof rubber strip 106 abuts against the top of the installation box 105, thereby preventing rainwater from entering the interior of the installation cavity 1051 on the installation box 105 from the inside of the waterproof cover 220.

[0065] Furthermore, the first positioning pin 1021 is located on the second side plate 102 , and the first positioning hole 4221 on the second transverse frame 422 can be stably inserted into the first positioning pin 1021 , thereby ensuring that the bracket 420 and the box body 100 are fixed more securely.

[0066] Furthermore, the box body 100 also includes a transverse reinforcement plate 107, both ends of which are fixed on the first side plate 101 and the third side plate 103, and the transverse reinforcement plate 107 is located between the connecting plate 104 and the second side plate 102. Through the connection and reinforcement effect of the transverse reinforcement plate 107, the frame structure of the box body 100 is made more secure and stable, and then each display module 400 can be stably installed on the box body 100.

[0067] Furthermore, the box body 100 also includes a transverse fixing rod 108, both ends of which are fixedly mounted on the first side panel 101 and the third side panel 103, the second positioning hole 1081 and the threaded hole 1082 are located on the transverse fixing rod 108, the second positioning pin 4211 of the bracket 420 is inserted into the second positioning hole 1081, and the screw 426 on the bracket 420 is threadedly connected to the threaded hole 1082, so that the bracket 420 is fixedly installed on the transverse fixing rod 108, and the top surface of the transverse fixing rod 108 and the bottom surface of the first transverse frame 421 are abutted against each other, so that the bracket 420 can be stably fixed on the box body 100, and the fixing operation of the bracket 420 is simple and easy to implement.

[0068] Furthermore, the box 100 also includes a plurality of longitudinal fixing rods 109, the two ends of each of the longitudinal fixing rods 109 are fixedly mounted on the second side plate 102 and the transverse fixing rod 108, and the sides of the first longitudinal frame 423 and the second longitudinal frame 424 of the two adjacent brackets 420 are both in contact with the longitudinal fixing rods 109, and the longitudinal fixing rods 109 play a role in supporting the brackets 420 and limiting the brackets 420, so that the display modules 400 spliced ​​together have good flatness, and improve the display effect of the entire LED display screen. At the same time, the longitudinal fixing rods 109 are arranged on the box 100 to enhance the strength of the entire box 100, ensuring that the display modules 400 and other components on the LED display screen are stably supported. The box 100 adopts a frame structure with the advantages of good strength, easy assembly, light weight and low cost.

[0069] Furthermore, the box body 100 also includes a back panel 110, which is fixedly mounted on the side of the first side panel 101, the side of the second side panel 102 and the side of the third side panel 103, and the back panel 110 and each display module 400 are respectively located on two opposite sides of the box body 100. The back panel 110 mainly seals the frame-type box body 100 from the back, so that rainwater and the like will not penetrate into the box body 100 of the LED display screen from the back of the box body 100, thereby playing a waterproof role.

[0070] Furthermore, the upper portion of the handle 425 on the first horizontal frame 421 extends to the interior of the outer upper cover 210. This structural arrangement enables the operator to directly grasp the handle 425 protruding from the outside of the box body 100 after removing the upper cover assembly 200, thereby facilitating the operator to remove each display module 400.

[0071] Furthermore, each display module 400 is fixedly installed on the box 100 from left to right in sequence, and the operator can pull out any display module 400 from the upper part of the LED display screen. The operator can complete the maintenance of the drive component 300 and any display module 400 on the upper part of the LED display screen, and the operation is simple and convenient.

[0072] Furthermore, the first side plate 101 , the second side plate 102 , the third side plate 103 , the connecting plate 104 , the transverse fixing rod 108 and each longitudinal fixing rod 109 may be connected by snap-fitting, welding or integral molding.

[0073] In this embodiment, the upper cover assembly 200 further includes a connecting rope (not shown), one end of which is fixedly connected to the outer upper cover 210 , and the other end of which is hooked on the box body 100 .

[0074] Specifically, before installing the outer cover 210, first hook the connecting rope on the box 100, so that the outer cover 210 is hung on the box 100 through the connecting rope, and when maintaining the LED display screen, the outer cover 210 can also be hung on the box 100 through the connecting rope to prevent the outer cover 210 from falling off the box 100 during the installation and maintenance of the outer cover 210, making the disassembly and installation of the LED display screen cover assembly 200 more convenient, safe and reliable.

[0075] Preferably, the connecting rope is a steel wire rope, which has high strength and can stably hang the outer upper cover 210 on the box body 100.

[0076] Furthermore, a grounding plug 222 is provided on the bottom surface of the waterproof cover 220, and a grounding socket is provided on the bottom surface of the installation cavity 1051. When the waterproof cover 220 is placed on the installation box 105, the grounding plug 222 is plugged into the grounding socket, that is, the waterproof cover 220 and the installation box 105 are connected by a docking ground wire. The installation and disassembly of the grounding plug 222 and the grounding socket are relatively simple and convenient, and it is also convenient to disassemble and install the waterproof cover 220 and the installation box 105, making it easier and more convenient for operators to maintain the LED display screen.

[0077] In this embodiment, refer to Figure 2 , Figure 3 and Figure 5As shown, the driving component 300 includes a power supply device 310 and a control board 320. The control board 320, the power supply device 310 and each of the display modules 400 are electrically connected. The power supply device 310 and the control board 320 are fixedly mounted on the side wall of the mounting cavity 1051.

[0078] Specifically, the power supply device 310 provides power guarantee for each display module 400, and the control panel 320 is mainly used to control the display of each display module 400. The power supply device 310 and the control panel 320 are fixed to the side wall of the installation cavity 1051. When rainwater extends into the installation cavity 1051, the rainwater will not stay on the power supply device 310 and the control panel 320, but will directly flow to the bottom surface of the installation cavity 1051 for discharge, thereby avoiding the risk of the power supply device 310 and the control panel 320 being soaked by water and extending the service life of the power supply device 310 and the control panel 320.

[0079] Furthermore, a connector device 1053 is provided on the bottom surface of the installation box 105, and each display module 400 is electrically connected to the power supply device 310 and the control board 320 inside the installation cavity 1051 through the connector device 1053. By providing the connector device 1053, the wiring between each display module 400, the power supply device 310 and the control board 320 becomes clearer, and the wiring operation of the operator is also facilitated.

[0080] Furthermore, a switch device 1054 for controlling the switch of the LED display screen is also provided on the side wall of the installation cavity 1051 , and the switch device 1054 , the power supply device 310 , the control board 320 and the connector device 1053 are all electrically connected.

[0081] Furthermore, of course, the driving component 300 also includes other functional elements to ensure a better display effect of the LED display screen.

[0082] In this embodiment, refer to Figure 3 , Figure 6 and Figure 7 As shown, the power supply device 310 includes a mounting folding plate 311 and a plurality of batteries 312 , wherein the batteries 312 are mounted on the side of the mounting folding plate 311 , and the mounting folding plate 311 is fixedly mounted on the inner wall adjacent to the mounting cavity 1051 .

[0083] Specifically, the battery 312 is first installed on the installation folding plate 311, and then the installation folding plate 311 is installed on the inner wall adjacent to the installation cavity 1051. The installation operation of the battery 312 will not be limited by the space of the installation cavity 1051. The operation is simple and easy to implement. The installation folding plate 311 is installed on the inner wall adjacent to the installation cavity 1051. The operator does not need to operate on the bottom surface of the installation cavity. The fixed installation operation is simpler and the fixed operation is easy to implement.

[0084] Furthermore, the mounting folding plate 311 includes a horizontal section 3111 and a vertical section 3112, the vertical section 3112 is formed by bending at one side of the horizontal section 3111, and the horizontal section 3111 and the vertical section 3112 are perpendicular to each other; the battery 312 is fixedly mounted on the side of the vertical section 3112, and the battery 312 and the horizontal section 3111 are located on the same side of the vertical section 3112; the side of the vertical section 3112 away from the horizontal section 3111 is fixedly mounted on the side wall of the mounting cavity 1051 by fasteners, a third positioning hole 31111 is provided on the side of the horizontal section 3111 away from the vertical section 3112, and a third positioning pin 1055 is provided on the bottom surface of the mounting cavity 1051, and the third positioning pin 1055 is inserted into the third positioning hole 31111. The battery 312 is fixed on the side wall of the installation cavity 1051 by means of the installation folding plate 311, which has a simple structure and is easy to implement. The installation folding plate 311 includes a horizontal section 3111 and a vertical section 3112. When the power supply device 310 is specifically installed, the battery 312 is first fixed on the vertical section 3112 of the installation folding plate 311. The installation operation is simple, and the battery 312 can be fixed outside the installation cavity 1051 to avoid being limited by the installation space of the installation cavity 1051. Then, the installation folding plate 311 is fixed to the vertical section 3112 of the installation folding plate 311. The third positioning hole 31111 on the horizontal section 3111 is inserted into the third positioning column on the bottom surface of the mounting cavity 1051, and then the upper part of the vertical section 3112 of the mounting folding plate 311 is connected to the side wall of the mounting cavity 1051 through fasteners, thereby fixing the power supply device 310 in the mounting cavity 1051. The installation is convenient and quick, and effectively solves the problem that when the battery 312 is directly fixed on the bottom surface of the mounting cavity 1051, the fasteners fall to the bottom of the power box and are difficult to remove.

[0085] Furthermore, the control board 320 and other components are fixed to the side wall of the installation cavity 1051 through a fixing bracket, and the structure of the fixing bracket is the same as that of the installation folding plate 311.

[0086] In this embodiment, refer to Figure 3 , Figure 6 and Figure 7 As shown, the power supply device 310 also includes a thermally conductive silicone sheet 313, a through hole 31121 is opened on the installation folding plate 311, the thermally conductive silicone sheet 313 is arranged in the through hole 31121 and the thermally conductive silicone sheet 313 is located between the inner wall surface of the installation cavity 1051 and each of the batteries 312.

[0087] Specifically, the thermal conductive silicone sheet 313 is in direct contact with the battery 312 and the inner wall surface of the installation cavity 1051, thereby directly transferring the heat generated by the battery 312 to the outside of the installation cavity 1051, thereby improving the heat dissipation performance of the entire power supply device 310. A through hole 31121 is opened on the installation folding plate 311, which is mainly used to avoid the thermal conductive silicone sheet 313 so that the thermal conductive silicone sheet 313 is in direct contact with the inner wall of the installation cavity 1051 and the battery 312.

[0088] Furthermore, a through hole 31121 is provided in the vertical section 3112 of the mounting folding plate 311, and the heat generated by the battery 312 is directly dissipated to the outside of the mounting box 105 through the thermally conductive silicone sheet 313, thereby improving the heat dissipation performance of the entire LED display screen.

[0089] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An LED display screen, characterized in that: The device comprises a box, an upper cover assembly, a driving assembly and a plurality of display modules, wherein a mounting cavity with an opening is provided on the top of the box, the driving assembly is installed in the mounting cavity, each of the display modules is installed on the front of the box, and each of the display modules is electrically connected to the driving assembly, and the upper cover assembly is covered on the opening of the mounting cavity and seals the opening of the mounting cavity; Each of the display modules includes a plurality of display units and a bracket, each of the display units is fixedly mounted on the side of the bracket in sequence, a first positioning hole is opened at the bottom of the bracket, a first positioning pin is provided on the box body, and the first positioning pin is inserted into the first positioning hole, a second positioning pin is provided on the top surface of the bracket, and a second positioning hole is provided on the box body, and the second positioning pin is inserted into the second positioning hole; The top surface of the bracket is also connected with a screw, the box body is provided with a threaded hole, and the screw is threadedly connected in the threaded hole; The bracket comprises a first transverse frame and a second transverse frame; the first transverse frame is provided with the second positioning pin; the second transverse frame is provided with the first positioning hole; The upper cover assembly includes an outer upper cover and a waterproof cover, wherein the waterproof cover is connected to the bottom of the outer upper cover, the waterproof cover is buckled on the installation cavity and seals the opening of the installation cavity, and the bottom of the outer upper cover abuts against the edge of the corresponding display module; The box body comprises a connecting plate and an installation box, the two ends of the connecting plate are respectively connected to the two opposite side plates of the box body; the bottom surface of the installation box is fixedly installed on the connecting plate, and the installation cavity is opened on the top surface of the installation box; the waterproof cover is buckled on the installation box; The box body further comprises a transverse fixing rod, two ends of which are respectively fixedly mounted on two opposite side plates of the box body, and the second positioning hole and the threaded hole are located on the transverse fixing rod; The upper portion of the handle on the first transverse frame extends to the interior of the outer upper cover.

2. The LED display screen according to claim 1, characterized in that: The bracket includes a first longitudinal frame and a second longitudinal frame, two ends of the first transverse frame are respectively connected to the upper end of the first longitudinal frame and the upper end of the second longitudinal frame, and two ends of the second transverse frame are respectively connected to the lower end of the first longitudinal frame and the lower end of the second longitudinal frame; The opposite two sides of each display unit are fixedly mounted on the first longitudinal frame and the second longitudinal frame respectively, and each display unit is arranged in sequence along the length direction of the first longitudinal frame.

3. The LED display screen according to claim 1, characterized in that: The box body comprises a first side plate, a second side plate and a third side plate, the first side plate, the second side plate and the third side plate are connected vertically in sequence and the first side plate and the third side plate are both located on the same side of the second side plate, the two ends of the connecting plate are respectively connected to the end of the first side plate away from the second side plate and the end of the third side plate away from the second side plate, the bottom surface of the installation box is fixedly installed on the connecting plate, and the top surface of the installation box is provided with the installation cavity; A buckle cavity is provided on the bottom of the waterproof cover, and the installation box is located in the buckle cavity.

4. The LED display according to any one of claims 1 to 3, characterized in that: The upper cover assembly also includes a connecting rope, one end of which is fixedly connected to the outer upper cover, and the other end of which is hooked on the box body.

5. The LED display screen according to any one of claims 1 to 3, characterized in that: The driving assembly includes a power supply device and a control board. The control board, the power supply device and each of the display modules are electrically connected. The power supply device and the control board are fixedly mounted on the side wall of the mounting cavity.

6. The LED display screen according to claim 5, characterized in that: The power supply device comprises a mounting folding plate and a plurality of batteries, wherein the batteries are mounted on the side surface of the mounting folding plate, and the mounting folding plate is fixedly mounted on the inner wall adjacent to the mounting cavity.

7. The LED display screen according to claim 6, characterized in that: The power supply device further comprises a heat-conducting silicone sheet. A through hole is formed on the mounting folding plate. The heat-conducting silicone sheet is arranged in the through hole, and the heat-conducting silicone sheet is located between the inner wall surface of the mounting cavity and each of the batteries.

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