CN216280713U

CN216280713U - Water vapor proof LED point light source

Info

Publication number: CN216280713U
Application number: CN202122641959.1U
Authority: CN
Inventors: 倪明
Original assignee: Hunan Hongyuan Photoelectric Technology Co ltd
Current assignee: Hunan Hongyuan Photoelectric Technology Co ltd
Priority date: 2021-11-01
Filing date: 2021-11-01
Publication date: 2022-04-12
Anticipated expiration: 2031-11-01

Abstract

The utility model discloses a waterproof vapor LED point light source which comprises a mainboard, wherein LED light points are embedded on the mainboard, a lampshade is fixedly connected to one side of the mainboard, and a waterproof vapor assembly is arranged on one side of the mainboard, which is close to the lampshade. The utility model relates to the technical field of LED point light sources, and is characterized in that a waterproof vapor assembly is arranged, a low-temperature area is formed on one side of a mainboard in the LED point light source by utilizing a heat insulation layer for condensing vapor, the vapor is further condensed on one side of the mainboard, and the condensed water drops of the vapor are utilized for assisting the heat dissipation of the mainboard and LED light points on the mainboard, so that the heat dissipation of the LED point light source is fully considered while the vapor is prevented from being formed in the LED light points.

Description

Water vapor proof LED point light source

Technical Field

The utility model relates to the technical field of LED point light sources, in particular to a waterproof vapor LED point light source.

Background

The LED point light source is a novel decorative lamp, and is a supplement of a linear light source and floodlighting. The intelligent lamp which can replace a display screen with a certain specification and achieves the effect of point and area by pixel point color mixing, and the point distance and the pixel density are the physical characteristics of the flash screen; the information capacity is the unit of information carrying capacity that can be flashed at one time for a unit area pixel density. The smaller the dot distance, the higher the pixel density, the more one-time-displayable information capacity per unit area, and the closer the distance suitable for viewing. The larger the dot distance, the lower the pixel density, the less the one-time-flashes per unit area, and the farther the viewing distance is appropriate.

In prior art, to the LED pointolite, the easy condensation steam in the casing of its light source leads to the display effect variation, and traditional vapour proof mode is sealed waterproof through half parcel or the mode of full parcel, but the higher LED pointolite that pixel density is higher heat dissipation requirement also is higher, this is difficult to compromise with the heat dissipation that just makes the vapour proof of LED pointolite, and need sacrifice the vapour proof quality for the heat dissipation, for this reason, we propose a vapour proof LED pointolite and solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems in the prior art and provides a vapor-proof LED point light source.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a waterproof vapor LED point light source comprises a main board, wherein an LED light point is embedded on the main board, a lampshade is fixedly connected to one side of the main board, and a waterproof vapor assembly is arranged on one side of the main board close to the lampshade;

the utility model discloses a lamp shade, including mainboard, heat-insulating layer, waterproof vapour subassembly, heat-insulating layer, heat-conducting layer, heat-insulating layer and heat-conducting layer, the waterproof vapour subassembly includes the heat-insulating layer, the mainboard is close to one side of lamp shade and has seted up the recess, and the heat-insulating layer is located the recess and sets up, the lateral wall that the mainboard is close to the heat-insulating layer is provided with the heat-conducting layer, one side fixedly connected with super hydrophobic membrane that mainboard was kept away from to heat-insulating layer and heat-conducting layer, the lateral wall that super hydrophobic membrane is close to the heat-insulating layer is provided with the guiding gutter.

Preferably, the upper end and the lower end of the lampshade are both provided with air holes, and a dustproof film is embedded in the air holes positioned below the lampshade.

Preferably, one side of the main board far away from the lampshade is fixedly connected with a mounting shell, and the side wall of the mounting shell is fixedly connected with a radiating fin.

Preferably, the inner wall fixedly connected with heat-conducting plate of installation shell, the mainboard is located the setting on the heat-conducting plate, the lateral wall fixedly connected with closing plate that the heat-conducting plate was kept away from to the installation shell.

Preferably, the inner wall of the lampshade is fixedly connected with a lens, and the side wall of the lens is fixedly connected with a sealing ring.

Preferably, the inner wall of the lampshade is attached with a heat absorbing film.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the anti-water vapor component is arranged, the heat insulation layer is utilized to form the low-temperature area on one side of the mainboard in the LED point light source for condensing water vapor, so that the water vapor is condensed on one side of the mainboard, and the water drops condensed by the water vapor are utilized to assist the heat dissipation of the mainboard and the LED light points on the mainboard, so that the heat dissipation of the LED point light source is fully considered while the water vapor is prevented from being formed in the LED light points;

2. according to the utility model, the super-hydrophobic membrane and the diversion trench are arranged, condensed liquid drops on the surface of the super-hydrophobic membrane grow to be in a Wenzel-Cassie state and a Wenzel state in an area of the super-hydrophobic membrane close to the heat insulation layer, so that the super-hydrophobic membrane is hydrophilic in the condensed liquid drop growth stage, the condensed liquid drops are used for assisting the heat dissipation of the main board, when the environmental humidity is too high or an LED lamp point stops running, the liquid drops grow in the diversion trench and are converged into larger water drops, the larger water drops can be dripped under the action of the hydrophobicity of the super-hydrophobic membrane after the diversion trench is filled, and the water in the diversion trench is completely discharged under the action of the viscosity of the water drops.

Drawings

Fig. 1 is a schematic view of an overall structure of a vapor-proof LED point light source according to the present invention;

FIG. 2 is a schematic view of the internal structure of a vapor-proof LED point light source according to the present invention;

FIG. 3 is a schematic diagram of a lampshade structure of a vapor-proof LED point light source according to the present invention;

fig. 4 is a schematic diagram of a motherboard structure of a vapor-proof LED point light source according to the present invention.

In the figure: 1. a main board; 2. LED lamp points; 3. a lamp shade; 4. a thermal insulation layer; 5. a superhydrophobic film; 6. a diversion trench; 7. a dust-proof film; 8. mounting a shell; 9. a heat dissipating fin; 10. a heat conducting plate; 11. a lens; 12. and (5) sealing rings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-4, a waterproof vapor LED point light source comprises a mainboard 1, an LED light point 2 is embedded on the mainboard 1, a lampshade 3 is fixedly connected to one side of the mainboard 1, and a waterproof vapor assembly is arranged on one side of the mainboard 1 close to the lampshade 3;

the waterproof vapor subassembly includes insulating layer 4, and mainboard 1 is close to one side of lamp shade 3 and sets up flutedly, and insulating layer 4 is located the recess and sets up, and mainboard 1 is close to the lateral wall of insulating layer 4 and is provided with the heat-conducting layer, and insulating layer 4 keeps away from one side fixedly connected with super hydrophobic membrane 5 of mainboard 1 with the heat-conducting layer, and the lateral wall that super hydrophobic membrane 5 is close to insulating layer 4 is provided with guiding gutter 6.

In this embodiment, wherein lamp shade 3 is used for protecting the LED pointolite, mainboard 1 then is used for installing LED lamp point 2 and supplementary LED lamp point 2 heat dissipation, and set up the recess and set up insulating layer 4 and be used for being close to the lateral wall stroke guiding gutter 6 of insulating layer 4 at super hydrophobic membrane 5, and set up insulating layer 4 and form the region of relative microthermal at super hydrophobic membrane 5 surface and be used for the steam of condensation, make steam grow at the one side that is close to mainboard 1 rather than growing at the inner wall of lamp shade 3, and super hydrophobic membrane 5 surface is hydrophilicity when the condensate droplet grows, and connect gradually along with the dribble and merge, can fill up the concavity that super hydrophobic membrane 5 is between the micron order protrusion at last, the liquid droplet condensation grows can divide: micro liquid drops independently grow, micro liquid drops merge and large liquid drops grow, wherein the liquid drops initially merged on the super-hydrophobic surface are in a Wenzel-Cassie state and a Wenzel state, the ratio f of the liquid-solid contact area of the liquid drops to the apparent area of the surface of the rough structure is increased along with the growth of condensed liquid drops, the liquid drops in the Wenzel-Cassie state are converted to the complete Wenzel state along with the increase of the size of the condensed liquid drops, a wetting surface is further formed, the liquid drops leave the heat insulation layer 4 along with the flowing of the water drops, the heat dissipation of the main board 1 is used for assisting the heat dissipation of the main board 1, the normal illumination or display of the LED lamp point 2 cannot be interfered, when the environmental humidity is too high or the LED lamp point 2 stops running, the liquid drops grow in the diversion trench 6 and merge into larger water drops under the action of the hydrophobicity of the super-hydrophobic membrane 5 after the diversion trench 6 is filled, and under the action of the self viscosity of the water drops, the water in the diversion trench 6 is completely discharged, on the other hand, because the super-hydrophobic film 5 is arranged in the lampshade 3, the defect that the super-hydrophobic film 5 is not wear-resistant can be ignored, and because the surface of the super-hydrophobic film 5 is hydrophilic when condensate drops grow, the super-hydrophobic film is not arranged on the surface of the lampshade 3.

In a further preferred embodiment of the present invention, the upper and lower ends of the lampshade 3 are both provided with air holes, and the dustproof film 7 is embedded in the air holes positioned at the lower part.

In this embodiment, set up the bleeder vent and can more effectual supplementary heat dissipation to be located lamp shade 3 upper and lower both ends setting, flow upward after the air is heated by LED lamp point 2 in lamp shade 3, form mobile air, possess better radiating effect

In a further preferred embodiment of the present invention, a mounting case 8 is fixedly connected to a side of the main board 1 away from the lamp housing 3, and a heat dissipating fin 9 is fixedly connected to a side wall of the mounting case 8.

In this embodiment, because the LED pointolite often installs on support or the mounting panel of seting up the hole, its one end of keeping away from lamp shade 3 also need carry out water proof protection to under the circumstances that the point distance is little, calorific capacity is great, needs better heat dissipation.

In a further preferred embodiment of the present invention, a heat conducting plate 10 is fixedly connected to the inner wall of the mounting shell 8, the main board 1 is disposed on the heat conducting plate 10, and a sealing plate is fixedly connected to the side wall of the mounting shell 8 far from the heat conducting plate 10.

In this embodiment, the heat conducting plate 10 can better utilize the mounting cases 8 to assist the heat dissipation of the motherboard 1 and the LED light spots 2 on the motherboard 1, and this design is mainly used to directly connect a plurality of mounting cases 8 to form a dot matrix.

In a further preferred embodiment of the present invention, a lens 11 is fixedly connected to the inner wall of the lamp housing 3, and a sealing ring 12 is fixedly connected to the side wall of the lens 11.

In this embodiment, since a part of the LED point light sources needs to be provided with the lens 11, and the sealing ring 12 is provided to isolate water vapor, water vapor will not enter the area between the lens 11 and the lampshade 3.

In a further preferred embodiment of the present invention, the inner wall of the lamp housing 3 is adhered with a heat absorbing film.

In this embodiment, the heat absorbing film is arranged to increase the temperature of the lampshade 3, and the heat absorbing film absorbs sunlight and heat radiation from the main board 1 to make the temperature higher than the heat insulating layer 4, thereby further preventing water vapor from condensing on the lampshade 3.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A waterproof vapor LED point light source comprises a main board (1), wherein LED light points (2) are embedded on the main board (1), and the waterproof vapor LED point light source is characterized in that a lampshade (3) is fixedly connected to one side of the main board (1), and a waterproof vapor assembly is arranged on one side, close to the lampshade (3), of the main board (1);

the waterproof vapor component comprises a heat insulation layer (4), one side, close to the lampshade (3), of the main board (1) is provided with a groove, the heat insulation layer (4) is located in the groove, the side wall, close to the heat insulation layer (4), of the main board (1) is provided with a heat conduction layer, one side, close to the heat insulation layer (4), of the heat insulation layer (4) and the heat conduction layer is fixedly connected with a super-hydrophobic membrane (5), and the side wall, close to the heat insulation layer (4), of the super-hydrophobic membrane (5) is provided with a diversion trench (6).

2. The vapor-proof LED point light source as claimed in claim 1, wherein the upper and lower ends of the lampshade (3) are provided with air holes, and a dustproof film (7) is embedded in the air holes at the lower part.

3. The waterproof LED point light source of claim 1, wherein a mounting shell (8) is fixedly connected to one side of the main board (1) far away from the lampshade (3), and a heat dissipation fin (9) is fixedly connected to the side wall of the mounting shell (8).

4. The vapor-proof LED point light source as claimed in claim 3, characterized in that a heat-conducting plate (10) is fixedly connected to the inner wall of the mounting shell (8), the main board (1) is arranged on the heat-conducting plate (10), and a sealing plate is fixedly connected to the side wall of the mounting shell (8) far away from the heat-conducting plate (10).

5. The moisture-proof LED point light source as claimed in claim 1, characterized in that a lens (11) is fixedly connected to the inner wall of the lampshade (3), and a sealing ring (12) is fixedly connected to the side wall of the lens (11).

6. The vapor proof LED point light source as claimed in claim 1, characterized in that the inner wall of the lampshade (3) is attached with a heat absorbing film.