Central control box and LED display screen

Abstract

The utility model discloses a central control box and an LED display screen, and belongs to the technical field of LED display screens. The center control box comprises a box body, a port cover, a box cover and an annular sealing piece, the box body comprises a first plate body, a second plate body and a third plate body which are integrally connected, and the first plate body and the third plate body are arranged on the two sides of the second plate body in parallel at intervals; the two port covers are connected with the two ends of the box body respectively, and the box body and the two port covers define a containing cavity; one side edge of the box cover is hinged to one of the first plate body and the third plate body, and the other side edge of the box cover is detachably connected with the other one of the first plate body and the third plate body. The annular sealing piece is clamped between the box cover and the containing cavity. The sealing performance of the central control box is improved, and normal work of the LED display screen is facilitated.

Description

TECHNICAL FIELD

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

[0002] With the continuous development of LED technology, LED display screen is widely used in indoor and outdoor advertising, traffic, sports, exhibition, performance, leasing and meeting places. In recent years, the performance display screen for concert field is more and more, because the display screen of the splicing combination of such products is usually larger.

[0003] And in the prior art, when the central control box of LED display screen is used outdoors, due to poor sealing of the central control box, internal components are often short-circuited in rainy weather, which cannot guarantee the normal work of the LED display screen.

[0004] Therefore, it is urgent to provide a central control box and LED display screen to solve the above problems. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a central control box and LED display screen, improving the sealing of the central control box, which is helpful to the normal work of the LED display screen.

[0006] In order to achieve the above purpose, the following technical scheme is provided:

[0007] The central control box comprises:

[0008] The box body comprises a first plate body, a second plate body and a third plate body connected integrally, and the first plate body and the third plate body are arranged in parallel and spaced apart on the two sides of the second plate body;

[0009] Two port covers are connected with the two ends of the box body respectively, and the box body and the two port covers form an accommodating cavity;

[0010] The box cover is hinged on one side of the first plate body and the third plate body, and the other side of the box cover is detachably connected with the other one of the first plate body and the third plate body;

[0011] The annular sealing element is clamped between the box cover and the accommodating cavity.

[0012] As an optional scheme of the central control box, the first plate body is provided with a first sealing limiting groove, the third plate body is provided with a second sealing limiting groove, and the two port covers are provided with a third sealing limiting groove, and the annular sealing element is embedded in the first sealing limiting groove, the second sealing limiting groove and the third sealing limiting groove.

[0013] As an optional scheme of the central control box, a water-blocking flange is arranged on the port cover, and the water-blocking flange extends along a first direction.

[0014] As an optional scheme of the central control box, a plurality of heat dissipation ribs are arranged on the outer wall surface of the box cover.

[0015] As an optional scheme of the central control box, the heat dissipation ribs extend along a second direction.

[0016] As an optional scheme of the central control box, the central control box further comprises a plurality of wire sleeves, and the second plate body is provided with a plurality of wire holes penetrating therethrough, and the wire sleeves are arranged in the wire holes.

[0017] As an optional scheme of the central control box, the central control box further comprises a hinge, a first turning edge of the hinge is connected with the first plate body, and a second turning edge of the hinge is connected with the box cover.

[0018] The central control box further comprises a first fastener, and a through hole is arranged on the box cover penetratingly, and the first fastener is connected with the third plate body through the through hole.

[0019] As an optional scheme of the central control box, the outer wall surface of the first plate body and the outer wall surface of the third plate body are both provided with a connecting lug plate.

[0020] As an optional scheme of the central control box, the connecting lug plate is provided with a positioning hole and a plurality of first connecting holes along the second direction.

[0021] The LED display screen comprises a second fastener, a mounting frame with two vertical profiles, and the central control box as described above, the vertical profiles are provided with a positioning pin and a plurality of second connecting holes along the second direction, the second fastener is connected with the second connecting holes through the first connecting holes, and the positioning pin is inserted into the positioning hole.

[0022] Compared with the prior art, the central control box has the following beneficial effects:

[0023] The central control box provided by the utility model, through the box body and two port covers, an accommodating cavity is formed, electronic components can be installed into the accommodating cavity, wherein after the box cover is buckled to the accommodating cavity, an annular sealing element is arranged between the box cover and the accommodating cavity, the annular sealing element is deformed by extrusion, the contact gap between the box cover and the accommodating cavity is filled, the sealing performance of the central control box is guaranteed, even if the central control box is used outdoors, rainwater can be prevented from entering the inside of the accommodating cavity, and the normal work of the LED display screen is facilitated.

[0024] The LED display screen provided by the utility model adopts the second fastener to assemble the central control box to the mounting frame, the central control box is good in sealing property, can block rainwater from entering the central control box, and is helpful to the normal work of the LED display screen. BRIEF DESCRIPTION OF DRAWINGS

[0025] In order to more clearly illustrate the technical scheme in the embodiment of the utility model, the drawings needed to be used in the embodiment of the utility model will be briefly introduced as follows, obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained according to the content of the embodiment of the utility model and these drawings for the ordinary skilled in the art without paying the creative labor.

[0026] Figure 1 It is the assembly schematic view of the central control box in the embodiment of the utility model;

[0027] Figure 2 It is the first kind of explosion schematic view of the central control box in the embodiment of the utility model;

[0028] Figure 3 It is the second kind of explosion schematic view of the central control box in the embodiment of the utility model;

[0029] Figure 4 It is the structure schematic view of the box body being provided with the connecting lug plate in the embodiment of the utility model;

[0030] Figure 5 It is the structure schematic view of the LED display screen (the LED display module is not shown) in the embodiment of the utility model;

[0031] Figure 6 It is Figure 5 The local enlarged view of A in the middle;

[0032] Figure 7 It is the structure schematic view of the mounting frame in the embodiment of the utility model;

[0033] Figure 8 It is Figure 7 The local enlarged view of B in the middle.

[0034] REFERENCE SIGNS:

[0035] 100, central control box;200, second fastener;300, mounting frame;301, vertical section;3011, positioning pin;3012, second connecting hole;

[0036] 1, box body;2, port cover;3, box cover;4, annular sealing element;5, threading sleeve;6, hinge;7, first fastener;8, connecting lug plate;

[0037] 11, first plate body; 111, first sealing limiting groove; 12, second plate body; 121, threading hole; 13, third plate body; 131, second sealing limiting groove;

[0038] 21, third sealing limiting groove; 22, water-blocking flange;

[0039] 31, heat dissipation rib; 32, through hole;

[0040] 81, positioning hole; 82, first connecting hole. DETAILED DESCRIPTION

[0041] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme of the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings can be arranged and designed in various different configurations.

[0042] In the description of the present application, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly used when the product of the present application is used, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element 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", "third" and the like are only used for differentiation in description, and cannot be understood as indicating or implying relative importance. In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0043] In the description of the present application, it should also be noted that, unless otherwise specified and limited, the terms "provided", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected. For ordinary skilled persons in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0044] The embodiments of the present application will be described in detail below, and examples of the embodiments are shown in the drawings, in which the same or similar reference numerals represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the present application, and cannot be understood as limiting the present application.

[0045] In order to improve the sealing of the control box, help the normal work of the LED display screen, the embodiment provides a control box and an LED display screen, as follows Figures 1 to 8 The specific content of the embodiment is described in detail. It should be noted that the first direction mentioned in the embodiment is the X direction in Figure 1 The second direction mentioned in the embodiment is the Y direction in Figure 1 .

[0046] As shown in Figures 1 to 4 , the control box 100 in the embodiment includes a box body 1, two port covers 2, a box cover 3 and an annular sealing member 4. Among them, the box body 1 includes a first plate body 11, a second plate body 12 and a third plate body 13 connected integrally, and the first plate body 11 and the third plate body 13 are parallel and arranged on both sides of the second plate body 12. Two port covers 2 are respectively connected with both ends of the box body 1, and the box body 1 and the two port covers 2 form an accommodating cavity. One side edge of the box cover 3 is hinged with one of the first plate body 11 and the third plate body 13, and the other side edge of the box cover 3 is detachably connected with the other one of the first plate body 11 and the third plate body 13. The annular sealing member 4 is clamped between the box cover 3 and the accommodating cavity.

[0047] In short, the control box 100 provided by the embodiment forms an accommodating cavity by the box body 1 and the two port covers 2, and electronic components can be installed in the accommodating cavity, wherein the annular sealing member 4 is arranged between the box cover 3 and the accommodating cavity after the box cover 3 is buckled to the accommodating cavity. By deforming the annular sealing member 4, the contact gap between the box cover 3 and the accommodating cavity is filled, the sealing of the control box 100 is ensured, and even if the control box 100 is used outdoors, rainwater can also be prevented from entering the interior of the accommodating cavity, which helps the normal work of the LED display screen. One side edge of the box cover 3 is hinged with the box body 1, and the other side edge of the box cover 3 can be detachably connected with the box body 1, so that the box cover 3 can be opened or closed relative to the box body 1, facilitating the installation and maintenance of electronic components.

[0048] Further, as shown in Figure 2 , in combination with Figure 3 and Figure 4 , the first plate body 11 is provided with a first sealing limiting groove 111, the third plate body 13 is provided with a second sealing limiting groove 131, and the two port covers 2 are provided with a third sealing limiting groove 21, and the annular sealing member 4 is embedded in the first sealing limiting groove 111, the second sealing limiting groove 131 and the third sealing limiting groove 21. The annular sealing member 4 is a rectangular sealing ring made of rubber, and the first sealing limiting groove 111, the second sealing limiting groove 131 and the two third sealing limiting grooves 21 form a rectangular sealing limiting space.

[0049] Further, the port cover 2 is provided with a water-blocking flange 22 extending in the first direction. When the central control box 100 is assembled to the mounting frame 300, raindrops falling on the port cover 2 can be blocked from flowing to the box cover 3 due to the water-blocking flange 22.

[0050] Further, the outer wall surface of the box cover 3 is provided with a plurality of heat dissipation ribs 31. By adding the heat dissipation ribs 31, when the electronic components in the central control box 100 are in a working state, the heat in the central control box 100 can be quickly transferred to the atmosphere.

[0051] Further, the heat dissipation ribs 31 extend in the second direction. When raindrops fall on the box cover 3, the raindrops can be quickly guided to flow downward due to the heat dissipation ribs 31 extending in the second direction, avoiding the accumulation of rainwater.

[0052] Further, the central control box 100 further comprises a plurality of wire sleeves 5, and the second plate body 12 is provided with a plurality of wire holes 121, and the wire sleeves 5 are arranged in the wire holes 121. For example, the wire sleeves 5 are made of insulating material, which facilitates the safe passage of power lines or control lines of electronic components out of the central control box 100.

[0053] Further, the central control box 100 further comprises a hinge 6, a first flip edge of the hinge 6 is connected with the first plate body 11, and a second flip edge of the hinge 6 is connected with the box cover 3; and / or the central control box 100 further comprises a first fastener 7, and the box cover 3 is provided with a through hole 32, and the first fastener 7 passes through the through hole 32 and is connected with the third plate body 13. For example, the first fastener 7 can be but is not limited to a bolt or a screw, etc., which is not limited here.

[0054] Further, the outer wall surface of the first plate body 11 and the outer wall surface of the third plate body 13 are both provided with a connecting lug 8. By adding the connecting lug 8, the central control box 100 can be easily installed on a fixed object.

[0055] The embodiment also provides an LED display screen, which comprises a second fastener 200, a mounting frame 300 having two vertical profiles 301, and the above-mentioned central control box 100. The vertical profile 301 is provided with a positioning pin 3011 and a plurality of second connecting holes 3012 in the second direction, the second fastener 200 passes through the first connecting hole 82 and is connected with the second connecting hole 3012, and the positioning pin 3011 is inserted into the positioning hole 81. For example, the connecting lug 8 is reserved on both sides of the central control box 100, and the connecting lug 8 is provided with the positioning hole 81 and a plurality of first connecting holes 82 in the second direction. The connecting lug 8 on both sides can be smoothly assembled on the vertical profile 301 and fixed on the vertical profile 301 by the second fastener 200. The matching of the positioning pin 3011 and the positioning hole 81 improves the installation accuracy of the central control box 100.

[0056] It should be noted that the above only the preferred embodiments of the present application and the use of technical principles. Those skilled in the art will understand that the present application is not limited to the specific examples described herein, those skilled in the art can make various obvious changes, re-adjustment and replacement without departing from the scope of the present application. Therefore, although the above embodiments of the present application has been described in more detail, but the present application is not limited to the above examples, without departing from the concept of the present application, but also can include more other equivalent embodiments, and the scope of the present application is determined by the appended claims.

Claims

1. A control box, characterized in that include: The box body (1) includes a first plate (11), a second plate (12) and a third plate (13) integrally connected, wherein the first plate (11) and the third plate (13) are arranged parallel to each other and spaced apart on both sides of the second plate (12); Two port covers (2) are respectively connected to both ends of the box body (1), and the box body (1) and the two port covers (2) form a receiving cavity; A lid (3) is hinged to one of the first plate (11) and the third plate (13) on one side, and detachably connected to the other of the first plate (11) and the third plate (13) on the other side. An annular seal (4) is sandwiched between the box cover (3) and the receiving cavity.

2. The control box of claim 1, wherein, The first plate (11) is provided with a first sealing limiting groove (111), the third plate (13) is provided with a second sealing limiting groove (131), the two port covers (2) are provided with a third sealing limiting groove (21), and the annular seal (4) is embedded in the first sealing limiting groove (111), the second sealing limiting groove (131) and the third sealing limiting groove (21).

3. The control box of claim 1, wherein, The port cover (2) is provided with a water-blocking fold (22), which extends along a first direction.

4. The control box of claim 1, wherein, The outer wall of the lid (3) is provided with several heat dissipation ribs (31).

5. The control box of claim 4, wherein, The heat dissipation ribs (31) extend along the second direction.

6. The control box of claim 1, wherein, The central control box also includes several wire sleeves (5), and the second plate (12) is provided with several wire holes (121), and the wire sleeves (5) are inserted into the wire holes (121).

7. The control box of claim 1, wherein, The central control box also includes a hinge (6), the first flip edge of the hinge (6) being connected to the first plate (11), and the second flip edge of the hinge (6) being connected to the box cover (3); and / or The central control box also includes a first fastener (7), and a through hole (32) is provided on the box cover (3). The first fastener (7) passes through the through hole (32) and is connected to the third plate (13).

8. The central control box according to any one of claims 1-7, characterized in that, Both the outer wall of the first plate (11) and the outer wall of the third plate (13) are provided with connecting ear plates (8).

9. The control box of claim 8, wherein, The connecting ear plate (8) is provided with a positioning hole (81) and a plurality of first connecting holes (82) along the second direction.

10. LED display screen, characterized in that The device includes a second fastener (200), a mounting frame (300) having two vertical profiles (301), and a central control box as described in claim 9. The vertical profiles (301) are provided with positioning pins (3011) and a plurality of second connecting holes (3012) along a second direction. The second fastener (200) passes through a first connecting hole (82) and connects to the second connecting hole (3012). The positioning pins (3011) are inserted into the positioning holes (81).

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