TWM636620U - LED explosion-proof lamp and light source structure thereof - Google Patents

Abstract

This creation is an LED explosion-proof lamp and its light source structure, including a lamp holder, a lampshade, an LED light source and a light-transmitting cover. The lampshade is a hollow cover body, including a assembling plate and a light emitting slant plate. The assembling plate is provided with a guide slope on the bottom side, and there is an included angle between the guide slope and the assembling plate. The inner surface of the light emitting slant plate surrounds the inner wall of the lampshade , the outer side of the light-emitting slant plate and the bottom side of the assembly plate form a heat dissipation channel; the LED light source is arranged corresponding to the lampshade, and the LED light source includes a circuit board and an LED module; the light-transmitting cover seals one side of the lamp holder. Accordingly, the heat dissipation speed is accelerated and the service life of the explosion-proof lamp is improved.

Description

LED explosion-proof lamp and its light source structure

This creation is about explosion-proof lamps, especially a structure of LED explosion-proof lamps.

Explosion-proof lights are mainly used in hazardous places where flammable gases exist, such as semiconductor manufacturing plants, petrochemical plants, and mines. In addition, general explosion-proof lamps must have a certain degree of airtight and watertight explosion-proof structures to prevent explosive gases or flammable dust in the environment from penetrating into the lamps and causing combustion.

Furthermore, in response to the trend of energy saving and environmental protection, the current explosion-proof lamps have adopted low voltage, low power consumption, high photoelectric conversion efficiency and long service life light-emitting diodes as light-emitting units. However, since the light-emitting diodes generate a lot of heat when they are used, if they are not dissipated in time, the light-emitting diodes and electronic components will be easily damaged. In this regard, how to provide explosion-proof lamps with good thermal conductivity to accelerate the heat dissipation speed of lamps and improve the service life of explosion-proof lamps is the research motivation of the author.

In view of this, the author of the present invention, aiming at the above-mentioned prior art, devoted himself to the research and cooperated with the application of theories, and tried his best to solve the above-mentioned problems, which became the goal of the author's improvement.

One purpose of this creation is to provide an LED explosion-proof lamp and its light source structure, so as to accelerate the heat dissipation speed and improve the service life of the explosion-proof lamp.

In order to achieve the above purpose, this invention is a light source structure of an LED explosion-proof lamp, including a lampshade and an LED light source. The lampshade is a hollow cover body, including a assembling plate and a light-emitting slant plate connecting the assembling plate. The assembling plate is provided with a guide slope on the bottom side, and there is an included angle between the guide slope and the assembling plate. The inner surface of the light-emitting slant plate It surrounds the inner wall of the lampshade, and the outer side of the light-emitting sloping plate and the bottom side of the assembly plate form a heat dissipation channel; the LED light source is arranged corresponding to the lampshade, and the LED light source includes a circuit board attached to the lampshade and an LED module installed on the circuit board.

In order to achieve the above purpose, the invention is an explosion-proof LED lamp, which includes a lamp holder, at least one lampshade, at least one LED light source and a light-transmitting cover. The lampshade is a hollow cover body, including a assembling plate and a light-emitting slant plate connecting the assembling plate. The assembling plate is provided with a guide slope on the bottom side, and there is an included angle between the guide slope and the assembling plate, and the inner surface of the light-emitting slant plate surrounds The inner wall of the lampshade, the outer surface of the light-emitting sloping plate and the bottom side of the assembly plate form a heat dissipation channel; the LED light source is provided corresponding to at least one lampshade, and the LED light source includes a circuit board attached to the lampshade and an LED module arranged on the circuit board. The light-transmitting cover seals one side of the lamp holder.

Compared with the conventional ones, the lampshade of the light source structure of the LED explosion-proof lamp of the present invention includes a assembling plate and a light emitting slant plate, and the assembling plate is provided with a guide slope on the bottom side. In addition, the outer surface of the light emitting sloping plate and the assembling plate The bottom side of the board forms a heat dissipation channel; accordingly, the heat generated by the LED light source will dissipate to the heat dissipation channel, and then be guided by the guide slope of the assembly plate to dissipate toward the opening, so as to accelerate the heat dissipation speed and achieve The purpose of improving the service life of explosion-proof lamps.

The detailed description and technical content of this creation are described as follows with the drawings, but the attached drawings are only for reference and illustration, and are not used to limit this creation.

Please refer to Figure 1 and Figure 2, which are schematic diagrams and cross-sectional views of the three-dimensional appearance of the LED explosion-proof lamp structure of this invention. The invention is an explosion-proof LED lamp structure 1 , including a lamp holder 10 , at least one lampshade 20 , at least one LED light source 30 and a light-transmitting cover 40 . The LED light source 30 is disposed between the lampshade 20 and the lamp holder 10 . The light-transmitting cover 40 is combined with one side of the lamp holder 10 to seal the lampshade 20 and the LED light source 30 , thereby forming the LED explosion-proof lamp structure 1 .

In this embodiment, the outer surface of the lamp holder 10 has a plurality of fins 11 . The arrangement of the fins 11 increases the heat dissipation area and heat dissipation efficiency of the lamp holder 10 . In addition, the LED explosion-proof lamp 1 further includes a plurality of inner locking pieces 50 and a plurality of outer locking pieces 51 . The lampshade 20 is locked in the lamp socket 10 through the inner locking members 50 . Moreover, the light-transmitting cover 40 is locked on the lamp socket 10 through the outer locking pieces 51 .

It should be noted that, in this embodiment, the LED explosion-proof lamp structure 1 includes a plurality of lampshades 20 and a plurality of LED light sources 30 arranged corresponding to the lampshades 20 . The lampshades 20 are respectively provided with LED light sources 30 , and are arranged at intervals in the lamp holder 10 to serve as the required light sources for the LED explosion-proof lamp structure 1 .

Please refer to Figure 3 and Figure 4, which are partially enlarged schematic diagrams and partial three-dimensional exploded schematic diagrams of the structure of the LED explosion-proof lamp of this creation. As shown in the figure, the LED light source 30 includes a circuit board 31 attached to the lampshade 20 and an LED module 32 disposed on the circuit board 31 . In addition, the LED light source 30 is disposed corresponding to the lampshade 20 , and the LED light source 30 is clamped between the lampshade 20 and the inner bottom surface of the lamp holder 10 . The structure of the lampshade 20 will be described in more detail later.

Please continue to refer to Fig. 5 and Fig. 6, which are schematic diagrams and cross-sectional views of the three-dimensional appearance of the lampshade of this creation. As shown in the figure, the lampshade 20 is a hollow shade body, which includes a set of joint plates 21 and a light emitting slant plate 22 connecting the joint plates 21 . Furthermore, an inner surface 221 of the light emitting slant plate 22 surrounds an inner wall surface of the lampshade 20 , and an outer surface 222 of the light emitting sloping plate 22 and a bottom side 211 of the assembly plate 21 form a heat dissipation channel 200 .

It should be noted that the assembling plate 21 is provided with a guide slope 212 on the bottom side 211 , and an included angle A is formed between the guide slope 212 and the assembling plate 21 . The setting of the guide slope 212 is used to guide the hot air and dissipate it.

In an embodiment of the invention, the lampshade 20 includes a reinforcing rib 23 and a plurality of studs 24 arranged at intervals. The reinforcing rib 23 is arranged around a periphery of the heat dissipation channel 200 . The studs 24 are arranged at intervals in the heat dissipation channel 200 .

Please also refer to Fig. 7 and Fig. 8, which are two part sectional views of the structure of the LED explosion-proof lamp of this creation. As shown in FIG. 7 , in this embodiment, the edge of the light emitting sloping plate 22 is pressed against the LED module 32 . In addition, the LED light source 30 is disposed on the studs 24 . In practical implementation, the LED light source 30 can be additionally arranged on a metal substrate (not shown in the figure), and directly attached to the surface of the lampshade 20 . The arrangement of the metal substrate can facilitate uniform heat conduction to improve heat dissipation efficiency.

In addition, it should be noted that the assembly plate 21 of the lampshade 20 faces the light-transmitting cover 40 (refer to FIG. 2 ), and is pierced with the internal locking members 50 .

Also, please refer to FIG. 8 , the circuit board 31 is supported by the studs 24 and located on one side of the heat dissipation channel 200 . Accordingly, the heat generated by the LED light source 30 will dissipate to the heat dissipation channel 200 , and then be guided by the inclined guide surface 212 of the assembly plate 21 to dissipate toward the opening.

The above descriptions are only preferred embodiments of this creation, and are not used to determine the patent scope of this creation. Other equivalent changes that use the patent spirit of this creation should all fall within the patent scope of this creation.

1: LED explosion-proof lamp structure 10: lamp holder 11: fins 20: lampshade 200: cooling channel 21: Assembly board 211: bottom side 212: guide bevel 22: Illumination ramp 221: inner side 222: Outer side 23: Rib 24: stud 30: LED light source 31: circuit board 32: LED module 40: Transparent cover 50: Internal lock firmware 51: Outer lock firmware A: Angle

Figure 1 is a schematic diagram of the three-dimensional appearance of the structure of the LED explosion-proof lamp created by this invention.

Figure 2 is a cross-sectional view of the structure of the LED explosion-proof lamp created by this invention.

Figure 3 is a partially enlarged schematic diagram of the structure of the LED explosion-proof lamp of this invention.

Figure 4 is a partial three-dimensional exploded schematic diagram of the structure of the LED explosion-proof lamp of this creation.

Fig. 5 is the three-dimensional appearance schematic diagram of the lampshade of this creation.

Fig. 6 is the sectional view of the lampshade of this creation.

Fig. 7 and Fig. 8 are partial sectional views of the LED explosion-proof lamp structure of this creation.

10: lamp holder

20: lampshade

200: cooling channel

21: Assembly board

211: bottom side

212: guide bevel

22: Illumination ramp

221: inner side

222: Outer side

23: Rib

24: stud

30: LED light source

31: circuit board

32: LED module

50: Internal lock firmware

Claims (10)

A light source structure of an LED explosion-proof lamp, comprising: A lampshade, which is a hollow cover body, includes a set of connecting plates and a light-emitting slant plate connecting the connecting plates. There is an included angle, an inner surface of the light-emitting slant plate surrounds an inner wall surface of the lampshade, an outer surface of the light-emitting slant plate and a bottom side of the assembly plate form a heat dissipation channel; and An LED light source is arranged corresponding to the at least one lampshade, and the LED light source includes a circuit board attached to the lampshade and an LED module set on the circuit board. The light source structure of the LED explosion-proof lamp as described in claim 1, wherein the lampshade includes a reinforcing rib, and the reinforcing rib is arranged on a periphery of the heat dissipation channel. The light source structure of the LED explosion-proof lamp as described in claim 1, wherein the lampshade includes a plurality of studs arranged at intervals, and the LED light source is placed on the studs. According to the light source structure of the LED explosion-proof lamp described in claim 3, the edge of the light-emitting sloping plate is pressed against the LED module. A LED explosion-proof lamp, comprising: a lamp holder; At least one lampshade, combined in the lamp holder, the at least one lampshade is a hollow housing, including a set of connecting plates and a light-emitting sloping plate connecting the connecting plates, an inner side of the light-emitting sloping plate surrounds the lampshade An inner wall surface of the light emitting slant plate and a bottom side of the assembly plate form a heat dissipation channel; At least one LED light source is provided corresponding to the at least one lampshade, and the LED light source includes a circuit board attached to the lampshade and an LED module arranged on the circuit board; and A light-transmitting cover seals one side of the lamp holder. The LED explosion-proof lamp as described in claim 5, which further includes a plurality of inner locking pieces and a plurality of outer locking pieces, the at least one lampshade is locked in the lamp socket through the inner locking pieces, and the light-transmitting cover passes through the The external locking piece is locked on the lamp holder. The LED explosion-proof lamp as described in Claim 5, wherein the assembly plate of the lampshade faces the light-transmitting cover, and the LED light source is clamped between the at least one lampshade and the inner bottom surface of the lamp holder. The LED explosion-proof lamp as described in Claim 5, wherein the lampshade includes a reinforcing rib, and the reinforcing rib is arranged on a periphery of the heat dissipation channel. The LED explosion-proof lamp as described in claim 5, wherein the lampshade includes a plurality of studs arranged at intervals, and the LED light source is placed on the studs. The LED explosion-proof lamp according to Claim 9, wherein the edge of the light-emitting slant plate is pressed against the LED module.

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