CN218762999U - Photocatalyst LED luminescent plate - Google Patents

Abstract

The utility model relates to a LED luminescent plate technical field, concretely relates to photocatalyst LED luminescent plate, including drain pan, EVA pad, reflective paper, light guide plate, LED luminous strip and photodiffusion part, the utility model discloses a set up the convex part with the one side of keeping away from the light guide plate on the photodiffusion part, the convex part includes the bulge of a plurality of interval or continuous type array arrangement to coat photocatalyst layer on the basal portion of photodiffusion part and/or convex part, be favorable to on the one hand that photocatalyst layer is better to be attached to the photodiffusion part surface, can make the LED luminescent plate when the illumination, have the effect of bacteriostasis, air-purifying, increase the service function of LED luminescent plate; on the other hand, by utilizing the physical effect of the photocatalyst and the dust, the adhesion of the dust on the surface of the light diffusion part can be reduced, so that the LED light-emitting panel has a self-cleaning effect.

Description

Photocatalyst LED luminescent plate

Technical Field

The utility model relates to a LED luminescent plate technical field, concretely relates to photocatalyst LED luminescent plate.

Background

The LED is called LED for short, and the LED light-emitting plate has the advantages of high brightness and low energy consumption, and has become a necessary trend of future lighting sources, especially for indoor lighting. However, with the development of society, people pay more and more attention to the sanitary environment of life, but the sanitary problem of interior decoration materials is difficult to ignore, and the interior decoration materials can volatilize more than three hundred volatile organic compounds including formaldehyde, trichloroethylene, benzene and the like. At present, air purifiers and ultraviolet germicidal lamps are adopted to remove air pollutants and sterilize so as to achieve the effect of purifying air for indoor sanitation. However, the air purifier is limited by the factors of extra occupied space, increased economic cost, electric energy consumption and the like and is difficult to popularize, the ultraviolet germicidal lamp cannot irradiate the skin of a person, and the ultraviolet germicidal lamp cannot be used for directly viewing the lamp tube when being lightened, so that the human health is adversely affected. Illumination and air-purifying can not be fine the mixed use, people often need purchase light, air purifier and ultraviolet germicidal lamp and come the effect that realizes illumination and air-purifying simultaneously, occupy great space, have increased economic cost. In addition, the existing lighting equipment does not have a self-cleaning function, dust is easy to accumulate after long-term use, and the cleaning is not convenient, so that the brightness of the LED light-emitting board is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a to the not enough of above-mentioned prior art, the utility model provides a photocatalyst LED luminescent plate, including drain pan, EVA pad, reflection of light paper, light guide plate, LED luminous band and light diffusion part, through coating photocatalyst layer on the basal portion and/or the convex part of light diffusion part, can play the effect of killing bacterium, air-purifying in the illumination, increase the service function of LED luminescent plate, practice thrift economic cost.

The utility model provides a photocatalyst LED luminescent plate, including drain pan, EVA pad, reflection of light paper, LED lighting strip, light guide plate and light diffusion part, the drain pan includes that bottom plate and annular set up the bounding wall on the bottom plate, the direction that the bottom plate extends to the bounding wall has set gradually EVA pad, reflection of light paper, light guide plate and light diffusion part, the LED lighting strip centers on the light guide plate outer lane sets up, and laminates in the bounding wall, light diffusion part cover in on the light guide plate, with the drain pan is connected, light diffusion part includes basal portion and convex part, the convex part is protruding to the one side of keeping away from the light guide plate, the coating has photocatalyst layer on the basal portion and/or the convex part of light diffusion part.

Furthermore, the convex part comprises a plurality of convex bodies which are arranged in a continuous lattice manner, and the photocatalyst layer is coated on a concave part between every two adjacent convex bodies.

Furthermore, the plurality of convex bodies are arranged in a spaced lattice manner, and the photocatalyst layer is coated on the surfaces of the convex bodies.

Furthermore, the plurality of convex bodies are arranged in a spaced lattice manner, and the photocatalyst layer is coated on the base part at the gap between every two adjacent convex bodies.

Further, the LED luminous band comprises a base band and a plurality of luminous bodies, the height of the base band is lower than that of the enclosing plate, and the luminous bodies are arranged on the base band at equal intervals.

Furthermore, the light guide plate comprises a plate body and a side plate annularly arranged around the plate body, and a light absorption layer is arranged on one surface, close to the LED light-emitting strip, of the plate body.

Further, the shapes of the EVA pad, the reflective paper and the light guide plate are matched with the bottom plate, and the reflective paper is made of PET, PP or PVC materials.

Further, the photocatalyst layer is a photocatalyst film formed by spraying or printing a composite nano photocatalyst material, and the photocatalyst material at least comprises titanium dioxide.

Further, the convex body is a hemispherical, prismatic or special-shaped geometric body.

Compared with the prior art, the beneficial effects of the utility model reside in that:

1. by coating the photocatalyst layer on the base part and/or the convex part of the light diffusion part in the photocatalyst LED lighting plate, the LED lighting plate has the functions of bacteriostasis and air purification while lighting, the using function of the LED lighting plate is increased, and the economic cost is saved;

2. the light diffusion part of the photocatalyst LED light-emitting board is provided with the bulges with various geometric shapes, so that light control can be realized when light is transmitted through the bulge structure of the light diffusion part, and compared with a single plane light diffusion part, the irritation of illumination light to eyes of people can be reduced, and the eye health is protected; the photocatalyst layer is coated on the concave part of the convex body, so that the photocatalyst layer can be favorably attached to the surface of the light diffusion part better, and the dust can be prevented from being attached to the outer surface of the light diffusion part by utilizing the self-cleaning effect of the photocatalyst layer on the dust.

Drawings

FIG. 1 is a schematic view of the overall structure of the photocatalyst LED light-emitting panel of the present invention;

FIG. 2 is a schematic diagram of an explosion structure of the photocatalyst LED light-emitting panel of the present invention;

fig. 3 is a first schematic view of a light diffusion component of the photocatalyst LED light-emitting panel of the present invention;

fig. 4 is a schematic structural diagram of a light diffusion component of the photocatalyst LED light-emitting panel of the present invention.

Reference numerals:

1. a bottom case; 2. an EVA pad; 3. reflective paper; 4. an LED light emitting strip; 5. a light guide plate; 6. a light diffusion member; 61. a base; 62. a convex portion; 621. a protrusion; 7. a photocatalyst layer.

Detailed Description

In order to make those skilled in the art better understand the technical solutions in the embodiments of the present application, 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, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort belong to the protection scope of the present application.

It should be noted that in the description of the present invention, it is to be noted that the terms "center", "upper", "lower", "horizontal", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly and encompass, for example, both fixed and removable coupling as well as integral coupling; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-4, the utility model provides a photocatalyst LED luminescent plate, including drain pan 1, EVA pad 2, reflection of light paper 3, LED lighting strip 4, light guide plate 5 and light diffusion part 6, drain pan 1 includes the bottom plate and protruding the bounding wall of establishing on the bottom plate, and bottom plate and bounding wall integration shaping set up, and the bounding wall is protruding to be located on the edge of bottom plate, sets up the breach that makes things convenient for the power connection to pass through on the bounding wall, and wherein the bottom plate shape can be runway shape, oval, arc or circular. The bottom shell 1 is made of aluminum materials and has the advantages of exquisite appearance, difficult rusting, good heat dissipation performance, economy and low cost. The bottom plate is sequentially provided with an EVA pad 2, reflective paper 3, a light guide plate 5 and a light diffusion part 6 towards the extension direction of the coaming, the LED luminous strip 4 is arranged around the outer ring of the light guide plate 5 and is attached to the coaming, and the light diffusion part 6 covers the light guide plate 5 and is connected with the bottom shell 1.

Further, the bottom plate is provided with EVA pad 2, reflection of light paper 3, light guide plate 5 to bounding wall extending direction in proper order, and the shape and the bottom plate looks adaptation of EVA pad 2, reflection of light paper 3, light guide plate 5 all are located the annular region that the bounding wall formed. The EVA pad 2 is attached to the bottom plate, wherein the EVA refers to an ethylene-vinyl acetate copolymer and a rubber-plastic foam material prepared from the ethylene-vinyl acetate copolymer, and the EVA pad 2 consists of EVA foam and double-sided adhesive. The EVA pad 2 has the advantages of good sealing performance, compression deformation resistance, flame retardance, water resistance, corrosion resistance, high temperature resistance and the like, and can play a role in shock resistance, moisture resistance and the like when arranged on the bottom plate; simultaneously, the EVA pad 2 is easy to process, and compared with other shockproof and moisture-proof materials, the LED light-emitting panel can be better processed and cut according to the shape of the bottom shell 1 of the LED light-emitting panel.

Specifically, the bottom end of the LED luminous band 4 is positioned on the reflective paper 3, and the light of the LED luminous band 4 can be softened through the reflecting surface of the reflective paper 3, so that uniform and soft light is emitted, the utilization rate of the light is improved, and the light is prevented from being absorbed by the frame of the LED luminous plate. The surface of the reflective paper 3 is a sub-light reflecting surface, is an optical film and can be made of PET, PP or PVC materials.

Further, the light guide plate 5 comprises a plate body and a side plate arranged in an annular mode, the annular area of the side plate is smaller than the annular structural area of the enclosing plate, the side plate is located in the enclosing plate, and the LED light-emitting belt 4 is located between the side plate and the enclosing plate and attached to the enclosing plate. Wherein the material of light guide plate 5 is optics level ya keli PC material, and the plasticity of this kind of material is strong, the transmittance is high, and be difficult for discolouing, through setting up light guide plate 5, can absorb the light that sends from LED lighting strip 4 and stay on the surface of light guide plate 5, is printed on light guide plate 5 a plurality of leaded light point, and each leaded light point density degree, size are different. The light guide points are formed by adopting a material with extremely high reflectivity and no light absorption on acrylic/PC laser dotting or printing, when light rays irradiate each light guide point, reflected light is promoted to be emitted from the front surface of the light guide plate 5 through the action of the light guide points with different densities and sizes, and the light guide points emit light uniformly; the light guide plate 5 is matched with the reflective paper 3 for use, so that light reflected by the reflective paper 3 can be further absorbed and converted into a light source emitted from the front side, and the utilization rate of light is improved.

Furthermore, a light absorption layer is arranged on one side of the side plate of the light guide plate 5 far away from the LED luminous strip 4, and the light absorption layer is a light absorption adhesive tape which can change the light absorption rate of the inner side surface of the side plate, thereby lightening or eliminating bright lines close to the side surface of the light guide plate 5. The light absorption layer has a light absorption rate of 30-80%, and the light absorption rate in this range can reduce or eliminate bright lines while avoiding the generation of dark lines.

Further, the LED light emitting strip 4 includes a base strip and a plurality of light emitters, the plurality of light emitters are arranged on the base strip at equal intervals, and the light emitters face the light guide plate 5 to form a light source. The one side of luminous body is kept away from to the baseband and the bounding wall laminating, and the baseband height is less than the bounding wall height, fixes baseband and bounding wall through modes such as bonding, threaded connection. The plurality of luminous bodies are arranged in a row, and for the lamps with small requirements on illumination brightness, the use requirements can be met by arranging a row of luminous bodies which are arranged at equal intervals. In other embodiments, the plurality of luminous bodies can be arranged in a plurality of rows, each row is an independent luminous area and is independently controlled, and the plurality of rows of luminous bodies are independently controlled, so that different illumination brightness can be improved, the requirements of more use scenes are met, and the panel power consumption is saved.

Further, the light diffusion member 6 covers the light guide plate 5, a positioning hole is formed in an edge of the light diffusion member 6, and the light diffusion member 6 is fixedly connected to the bottom case 1 through the positioning hole. The light diffusion component 6 comprises a base part 61 and a convex part 62, the convex part 62 protrudes towards the surface far away from the light guide plate 5, the convex part 62 comprises a plurality of convex bodies 621 distributed in an array, the convex bodies 621 are hemispherical, prismatic or irregular geometric bodies, and the convex bodies 621 in various geometric shapes are arranged on the light diffusion component 6, so that light control can be realized when light is transmitted through the convex part 62 structure of the light diffusion component 6, and compared with the pure plane light diffusion component 6, the irritation of the illumination light to human eyes can be reduced, and the eye health can be protected.

Further, the outer surface of the light diffusion component 6 is coated with a photocatalyst layer 7, and the photocatalyst layer 7 is a photocatalyst film formed by spraying or printing a composite nano photocatalyst material and comprises titanium dioxide. The outer surface of the light diffusion component 6 is coated with the photocatalyst layer 7, when light irradiates on the photocatalyst layer 7 to generate oxidation, pollutants, nitrogen oxides, dust and the like in the air can be decomposed into carbon dioxide and water molecules, and bacterial cell membranes can be damaged appropriately, so that the effects of bacteriostasis and antibiosis are achieved. In addition, the photocatalyst layer 7 is coated on the outer surface of the light diffusion component 6, so that the LED light-emitting board has the functions of bacteriostasis and air purification while lighting, the using function of the LED light-emitting board is increased, and the economic cost is saved; meanwhile, by using the physical effect of the photocatalyst and the dust, the adhesion of the dust on the surface of the light diffusion part 6 can be reduced, so that the LED light-emitting panel has a self-cleaning effect.

Further, in some embodiments, as shown in fig. 3, the plurality of protrusions 621 are arranged in a continuous dot matrix, the photocatalyst layer 7 is coated on a concave portion between two adjacent protrusions 621, and by arranging the protrusions 621 with different geometric shapes and coating the photocatalyst layer 7, the photocatalyst layer 7 can be better attached to the surface of the light diffusion member 6, and meanwhile, by utilizing the self-cleaning effect of the photocatalyst layer 7 on dust, dust can be prevented from being attached to the outer surface of the light diffusion member 6 of the LED lighting panel, thereby preventing dust accumulation from affecting the brightness of the LED lighting panel. In other embodiments, as shown in fig. 4, the plurality of protrusions 621 are arranged in a spaced lattice, the photocatalyst layer 7 is coated on the surfaces of the protrusions 621, or the photocatalyst is coated on the base portion 61 at the gap between two adjacent protrusions 621, the photocatalyst layer 7 is arranged in a spaced manner, so that the coating area can be further increased, and the sterilization and air purification effects can be further increased.

It should be understood that the structures, ratios, sizes, and the like shown in the drawings are only used for matching the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the practical limit conditions of the present application, so that the modifications of the structures, the changes of the ratio relationships, or the adjustment of the sizes, do not have the technical essence, and the modifications, the changes of the ratio relationships, or the adjustment of the sizes, are all within the scope of the technical contents disclosed in the present application without affecting the efficacy and the achievable purpose of the present application.

Although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (9)

1. The utility model provides a photocatalyst LED luminescent plate, includes drain pan (1), EVA pad (2), reflective paper (3), LED luminous strip (4), light guide plate (5) and light diffusion part (6), a serial communication port, drain pan (1) includes bottom plate and protruding bounding wall of locating on the bottom plate, the bottom plate has set gradually EVA pad (2), reflective paper (3), light guide plate (5) and light diffusion part (6) to the direction that the bounding wall extends, LED luminous strip (4) centers on light guide plate (5) outer lane sets up, and laminates in the bounding wall, light diffusion part (6) cover in on light guide plate (5), with drain pan (1) is connected, light diffusion part (6) include basal portion (61) and convex part (62), convex part (62) are protruding to the one side of keeping away from light guide plate (5), the coating has photocatalyst layer (7) on basal portion (61) and/or convex part (62) of light diffusion part (6).

2. The photo-catalytic LED light-emitting panel as claimed in claim 1, wherein the protrusions (62) comprise a plurality of protrusions (621), the plurality of protrusions (621) are arranged in a continuous lattice, and the photo-catalytic layer (7) is coated on the concave portion between two adjacent protrusions (621).

3. The photo-catalytic LED light-emitting panel as claimed in claim 2, wherein the plurality of protrusions (621) are arranged in a spaced-apart lattice, and the photo-catalytic layer (7) is coated on the surface of the protrusions (621).

4. The photocatalyst LED lighting panel as claimed in claim 3, wherein a plurality of protrusions (621) are arranged in a spaced lattice, and said photocatalyst layer (7) is coated on the base portion (61) at the gap between two adjacent protrusions (621).

5. The photocatalyst LED light-emitting panel as claimed in claim 1, wherein said LED light-emitting strip (4) comprises a base strip and a plurality of light-emitting bodies, said base strip is lower than said enclosing plate, and said plurality of light-emitting bodies are arranged at said base strip at equal intervals.

6. The photo-catalytic LED light-emitting panel as claimed in claim 5, wherein the light guide plate (5) comprises a plate body and a side plate annularly arranged around the plate body, and a light absorption layer is arranged on one surface of the plate body close to the LED light-emitting strip (4).

7. The photocatalyst LED luminous panel according to claim 1, wherein the EVA pad (2), the reflective paper (3) and the light guide plate (5) are adapted to the bottom plate in shape, and the reflective paper (3) is made of PET, PP or PVC.

8. The photocatalyst LED light-emitting panel as claimed in claim 1, wherein the photocatalyst layer (7) is a photocatalyst film formed by spraying or printing composite nano photocatalyst material.

9. The photo-catalytic LED light-emitting panel as claimed in claim 2, wherein the protrusions (621) are of hemispherical, prismatic or irregular geometric shape.

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