Fireproof LED screen

Abstract

The utility model provides a fireproof LED screen. The fireproof LED screen comprises a fireproof box body and a plurality of first light holes formed in the fireproof box body. The circuit board is arranged on the fireproof box body, a plurality of lamp beads and a plurality of second light-transmitting holes are arranged on the circuit board, and the second light-transmitting holes are opposite to the first light-transmitting holes; the protection plate is connected with the fireproof box body to form an installation space, and the circuit board is arranged in the installation space and between the fireproof box body and the protection plate; a plurality of third light-transmitting holes and a plurality of lamp holes are formed in the protection plate, the third light-transmitting holes and the second light-transmitting holes are oppositely arranged, and the lamp holes and the lamp beads are oppositely arranged; according to the fireproof LED screen, the internal circuit board can be effectively prevented from being ignited after external fire breaks out, meanwhile, heat conduction can be effectively carried out, and the whole body is protected.

Description

TECHNICAL FIELD

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

[0002] LED screen is a kind of electronic imaging equipment made by arranging light-emitting diode in order;Because its size can be adjusted according to needs, it is widely used in the field such as advertisement playing, video display;Among them, large-scale immersive performance LED display screen is the trend of rapid and vigorous development of LED industry in recent years, in indoor immersive space, display content through lamp bead change, and need to display light and play sound at the same time when displaying content.

[0003] Large-scale immersive performance LED display screen is generally used indoors, and in some environments, it needs to be used with other equipment simultaneously;But according to different use environment or different equipment, when indoor fire or fire of other equipment used simultaneously occurs, if not timely extinguishing, fire will spread to large-scale immersive performance LED display screen, because the area of large-scale immersive performance LED display screen is larger, once being ignited by external fire, it is difficult to extinguish, and then large-scale immersive performance LED display screen is burned. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at providing a fireproof LED screen, which can solve the above technical problems;

[0005] The utility model provides a fireproof LED screen, it includes: fireproof box and the first light-transmitting hole being set on the fireproof box;Circuit board is set on the fireproof box, and is set on the circuit board with a plurality of lamp beads and a plurality of second light-transmitting holes, a plurality of second light-transmitting holes are oppositely set with a plurality of first light-transmitting holes;Protective plate is connected with the fireproof box and forms installation space, and the circuit board is placed in the installation space and is placed between the fireproof box and the protective plate;The protective plate is provided with a plurality of third light-transmitting holes and a plurality of lamp holes, a plurality of third light-transmitting holes are oppositely set with a plurality of second light-transmitting holes, and a plurality of lamp holes are oppositely set with a plurality of lamp beads.

[0006] Preferably, the fireproof box, the circuit board and the protective plate are connected by bolts.

[0007] As a further technical scheme, the fireproof box includes a frame and a plate body arranged on the frame;The first light-transmitting hole is arranged on the plate body, and the plate body, the circuit board and the protective plate are connected by bolts.

[0008] Preferably, the plate body and the protective plate are both aluminum plates.

[0009] As a further technical scheme, a first sealing layer is arranged between the protective plate and the circuit board.

[0010] As a further technical solution, a second sealing layer is arranged between the plate body and the circuit board.

[0011] Preferably, the first sealing layer and the second sealing layer are both epoxy glue layers.

[0012] Preferably, the circuit board is an aluminum-based circuit board.

[0013] As a further technical solution, a detection device and an alarm device are further arranged in the fireproof box body, and the detection device is connected with the alarm device.

[0014] Preferably, in the mounted state, the center of the lamp hole and the center of the lamp bead are on the same straight line.

[0015] The technical scheme of the utility model discloses a fireproof box body and a protection plate cooperate, and the circuit board is arranged between the fireproof box body and the protection plate, which is sealed and protected at the same time by the cooperation of the fireproof box body and the protection plate.

[0016] Meanwhile, since the fireproof box body and the protection plate are made of metal materials, the fireproof box body and the protection plate have good heat conductivity, can quickly conduct and dissipate external heat, avoid heat accumulation near the circuit board, and prevent the circuit board from being damaged or causing other safety problems due to high temperature caused by heat radiation.

[0017] In addition, the fireproof box body, the circuit board and the protection plate are respectively provided with a first light transmission hole, a second light transmission hole and a third light transmission hole, which can ensure that the light passes through the one side of the fireproof box body to the other side of the fireproof box body smoothly. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the specific embodiments of the utility model or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiments or the prior art description.

[0019] Figure 1 It is a structural schematic diagram of a fireproof LED screen of the utility model;

[0020] Figure 2 It is a structural schematic diagram of a fireproof LED screen of the utility model; Figure 1 It is a structural enlarged schematic diagram of part A;

[0021] Figure 3 Figure 1 is an exploded view of the fireproof LED screen.

[0022] Marked as follows:

[0023] 1-fireproof box body; 11-frame; 12-plate body; 2-first light-transmitting hole; 3-circuit board; 4-lamp bead; 5-second light-transmitting hole; 6-protection plate; 7-third light-transmitting hole; 8-lamp hole. DETAILED DESCRIPTION

[0024] The technical solutions of the present application will be described below in conjunction with embodiments, obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the present application.

[0025] In the description of the present application, it is understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0026] In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implying the number of technical features indicated. Therefore, the features defined as "first" and "second" can explicitly or implicitly include one or more features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited. In addition, the terms "mounting", "connection", "connection" should be broadly understood, 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; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication 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.

[0027] As shown in Figures 1-3 The fireproof LED screen provided by the present application comprises:

[0028] The utility model discloses a fireproof box body 1 and the first light hole 2 of setting in the fireproof box body 1, in actual use stage, through the fixed with outside of fireproof box body 1, and then realize the installation of whole, and need guarantee first light hole 2 and light position correspond after installation, to ensure that light can pass through first light hole 2, circuit board 3 sets up on fireproof box body 1, and set up a plurality of lamp pearl 4 and a plurality of second light hole 5 on circuit board 3, a plurality of second light hole 5 are oppositely set up with a plurality of first light hole 2, it need to be explained that the circuit board 3 of the utility model adopts prior art, such as PLC circuit board 3, the protection board 6 is connected with fireproof box body 1 and forms installation space circuit board 3 is placed in installation space, and is placed between fireproof box body 1 and protection board 6, through the cooperation of protection board 6 and fireproof box body 1 can avoid external fire after igniting circuit board 3, and the protection board 6 and fireproof box body 1 fast conduction external heat simultaneously, and then realize the protection of circuit board 3, the protection board 6 is provided with a plurality of third light hole 7 and a plurality of lamp hole 8, a plurality of third light hole 7 are oppositely set up with a plurality of second light hole 5, a plurality of lamp hole 8 are oppositely set up with a plurality of lamp pearl 4, in use stage, light passes through first light hole 2, second light hole 5 and third light hole 7 in proper order and is placed outside protection board 6, like this in the process of using can show image through lamp pearl 4 simultaneously and make light pass through protection board 6,

[0029] It need to be explained that the quantity of first light hole 2, lamp pearl 4, second light hole 5, lamp hole 8 and third light hole 7 in the utility model is set according to the need, but need to guarantee that the quantity of first light hole 2, second light hole 5 and third light hole 7 is same and corresponds after installation, and the quantity of lamp pearl 4 and lamp hole 8 is same and corresponds after installation, in addition, in the installation state, the center of lamp hole 8 and the center of lamp pearl 4 are on the same straight line, then can avoid shading under the light state of lamp pearl 4, make the result of display more clear, in the utility model, lamp hole 8 is round hole, and lamp pearl 4 is square, and the center of lamp pearl 4 is the intersection of two diagonal lines of square,

[0030] The technical scheme of the utility model discloses through the cooperation of fireproof box 1 and protection plate 6, circuit board 3 is placed between fireproof box 1 and protection plate 6, and circuit board 3 is sealed and protected simultaneously through the cooperation of fireproof box 1 and protection plate 6;Effectively prevent external flame and internal circuit board 3 contact, reduce the risk of overall ignition, improve the safety of equipment in the fire scene, protect the equipment and the surrounding environment from the fire damage;At the same time, since fireproof box 1 and protection plate 6 adopt metal material, fireproof box 1 and protection plate 3 have good thermal conductivity, can quickly conduct and dissipate external heat, avoid heat accumulation near circuit board 3, prevent circuit board 3 from being damaged or causing other safety problems due to high temperature caused by heat radiation;In addition, fireproof box 1, circuit board 3 and protection plate 6 are respectively provided with first light transmission hole 2, second light transmission hole 5 and third light transmission hole 7, which can ensure that the light passes through the one side of fireproof box 1 smoothly and reaches the other side of fireproof box 1;Compared with the prior art, the technical scheme of the utility model can effectively prevent the internal circuit board 3 from being ignited after external fire, and can effectively conduct heat and protect the whole.

[0031] In the utility model, fireproof box 1, circuit board 3 and protection plate 6 are connected through bolts;Further ensure the stability of circuit board 3 after installation;In addition, other connection modes can also be used, which are not limited in the utility model.

[0032] As shown in Figure 3 Fireproof box 1 includes frame 11 and plate body 12 arranged on frame 11;First light transmission hole 2 is arranged on plate body 12, and plate body 12, circuit board 3 and protection plate 6 are connected through bolts;During installation, frame 11 is installed outside, and circuit board 3 is fixed through the cooperation of plate body 12 and protection plate 6;In the utility model, plate body 12 and protection plate 6 are both aluminum plates;Specifically, plate body 12 and protection plate 6 are made of aluminum plates, which can reduce the weight of the whole, and due to the characteristics of aluminum plates, they can better resist corrosion and heat dissipation while ensuring strength.

[0033] In addition, in the utility model, first sealing layer is arranged between the protection plate 6 and the circuit board 3, second sealing layer is arranged between the plate body 12 and the circuit board 3, the installation space can be sealed through the first sealing layer and the second sealing layer, the circuit panel except the lamp bead 4 is clamped between the fireproof box body 1 and the protection plate 6, the fireproof requirement of material is guaranteed, preferably, the first sealing layer and the second sealing layer are all epoxy adhesive layers, the shock-absorbing effect can be achieved while sealing through the epoxy adhesive layer, the circuit board 3 can be better protected, it needs to be explained that the wire connected with the circuit board 3 is connected with the circuit board 3 after passing through the second sealing layer, and the position of the wire is sealed, air is prevented from entering the installation space, in the utility model, the first sealing layer and the second sealing layer can be evenly arranged at other positions except the lamp bead 4, that is, the first sealing layer is filled between the protection plate 6 and the circuit board 3, the second sealing layer is filled between the plate body 12 and the circuit board 3, of course, the second sealing layer can also be arranged at the edge of the plate body 12 and the circuit board 3, and the specific actual situation is accurate, and the utility model is not further limited.

[0034] Of course, in order to better conduct the heat conduction of the lamp bead 4, preferably, the circuit board 3 is an aluminum-based circuit board 3 in the utility model, so that the thermal resistance of the aluminum-based circuit board 3 can be reduced to the minimum in the process of use, the thermal resistance is smaller, the thermal expansion coefficient is closer to copper foil, the aluminum-based circuit board 3 has excellent heat conduction performance and heat dissipation performance, the operating temperature is reduced, and the service life is prolonged, in addition to better heat conduction of the lamp bead 4, the aluminum-based circuit board 3 can also better bear current, and the aluminum-based circuit board 3 can bear higher current with the same thickness and the same line width, meanwhile, due to the characteristics of the aluminum-based circuit board 3, the mechanical durability is stronger than that of ceramic substrates, in order to guarantee the performance of electronic circuits, the components need to prevent electromagnetic wave radiation and interference, the aluminum-based circuit board 3 can act as a shielding plate and shield electromagnetic waves, the aluminum used as raw material is non-toxic and can be recycled, and meets the RoHs requirement, and the aluminum is very light in the case of excellent strength and elasticity.

[0035] The fireproof box body 1 further comprises a detection device and an alarm device, the detection device is connected with the alarm device, the condition in the fireproof box body 1 can be obtained through the detection device, when fire occurs in the fireproof box body 1 due to excessively high temperature, the detection device can detect the fire condition and send an alarm signal to the outside through the alarm device, of course, in the utility model, the detection device can also send a power-off signal to the power supply after detecting the fire, and the power-off is performed, in the utility model, the detection device can be a temperature sensor, a smoke sensor or a camera, the alarm device can be a buzzer, an alarm lamp or a signal transmitter with a SIM card, and the utility model is not further limited to the existing technology.

[0036] The utility model discloses a fireproof LED screen, in addition to LED lamp pearl, the rest circuit panel is all pressed in the middle of two side aluminum plate, guarantees the fireproof requirement of material, and aluminum plate is as mask base material, has the characteristics of light weight, corrosion resistance, good heat dissipation, is applicable to LED display screen interlayer structure, interlayer design combines the light transmission base plate (that is the through hole PCB board) with aluminum plate, forms the double function of support and protection, and aluminum plate opening position inlays LED lamp pearl, and the rest aluminum plate outer layer part provides mechanical protection, heat dissipation support and fire prevention support as mask, can satisfy indoor building fire control requirement completely, is suitable for the application demand under various complex environment.

[0037] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the utility model, and not to limit them; although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the utility model.

Claims

1. A fireproof LED screen, characterized in that, include: Fireproof enclosure (1) and a plurality of first light-transmitting holes (2) opened on the fireproof enclosure (1); A circuit board (3) is set on the fireproof box (1), and a number of lamp beads (4) and a number of second light-transmitting holes (5) are set on the circuit board (3), and the number of second light-transmitting holes (5) are arranged opposite to the number of first light-transmitting holes (2); The protective plate (6) forms an installation space after being connected to the fireproof box (1). The circuit board (3) is placed in the installation space and between the fireproof box (1) and the protective plate (6). The protective plate (6) is provided with a plurality of third light-transmitting holes (7) and a plurality of lamp holes (8). The plurality of third light-transmitting holes (7) are arranged opposite to the plurality of second light-transmitting holes (5), and the plurality of lamp holes (8) are arranged opposite to the plurality of lamp beads (4).

2. The fireproof LED screen according to claim 1, characterized in that, The fireproof box (1), the circuit board (3), and the protective plate (6) are connected by bolts.

3. The fireproof LED screen according to claim 2, characterized in that, The fireproof enclosure (1) includes: Frame (11) and plate (12) disposed on the frame (11); The first light-transmitting hole (2) is opened on the plate (12), and the plate (12), the circuit board (3) and the protective plate (6) are connected by bolts.

4. The fireproof LED screen according to claim 3, characterized in that, Both the plate (12) and the protective plate (6) are aluminum plates.

5. The fireproof LED screen according to claim 3, characterized in that, A first sealing layer is provided between the protective plate (6) and the circuit board (3).

6. The fireproof LED screen according to claim 5, characterized in that, A second sealing layer is provided between the plate (12) and the circuit board (3).

7. The fireproof LED screen according to claim 6, characterized in that, Both the first sealing layer and the second sealing layer are epoxy adhesive layers.

8. The fireproof LED screen according to claim 1, characterized in that, The circuit board (3) is an aluminum-based circuit board (3).

9. The fireproof LED screen according to claim 1, characterized in that, The fireproof enclosure (1) is also equipped with a detection device and an alarm device, and the detection device is connected to the alarm device.

10. The fireproof LED screen according to claim 1, characterized in that, In the installed state, the center of the lamp hole (8) and the center of the lamp bead (4) are on the same straight line.

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