CN214948888U

CN214948888U - LED explosion-proof projection lamp

Info

Publication number: CN214948888U
Application number: CN202121352229.3U
Authority: CN
Inventors: 钟正; 崔英霞
Original assignee: Dalian Mingyang Marine Electric Appliance Co ltd
Current assignee: Dalian Mingyang Marine Electric Appliance Co ltd
Priority date: 2021-06-18
Filing date: 2021-06-18
Publication date: 2021-11-30
Anticipated expiration: 2031-06-18

Abstract

The utility model relates to the technical field of lamps and lanterns, specifically disclose an explosion-proof projecting lamp of LED, including face lid (1), power pack (2), back lid (3) and light source module, power pack (2) are located between face lid (1) and back lid (3), its characterized in that: a power supply mounting plate (4) is arranged in the power supply box (2), a driving power supply (5) is mounted on the power supply mounting plate (4) and is packaged in the power supply box (2) through a glue layer (6), a radiator (7) is arranged between the face cover (1) and the power supply box (2), the radiator (7) is of a hollow structure, and a light source module is arranged in a cavity formed at the front end of the face cover (1) so as to form an explosion-proof cavity (8) between the driving power supply (5) and the light source module; the heat insulation and explosion prevention can be effectively realized, and the heat dissipation effect is improved.

Description

LED explosion-proof projection lamp

Technical Field

The utility model relates to the technical field of lamps and lanterns, in particular to explosion-proof projecting lamp of LED.

Background

The explosion-proof lamp is used in dangerous places where combustible gas and dust exist, and can prevent electric arcs, sparks and high temperature possibly generated in the lamp from igniting the combustible gas and dust in the surrounding environment, so that the lamp meets the explosion-proof requirement.

With the rapid development of industries such as petroleum, chemical industry, mining industry and the like, the lighting lamp is more and more widely used in production, storage and rescue, and the variety is more and more. The existing lighting lamp lacks effective explosion-proof heat insulation measures, the explosion-proof effect is not obvious, the heat dissipation effect is poor, and dangerous accidents are easy to happen after the lighting lamp is used for a long time. Therefore, how to prevent the lighting fixture from the accidental explosion in the explosive gas dangerous place has become a very important issue.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defect that prior art exists, the utility model provides an explosion-proof projecting lamp of LED can insulate against heat explosion-proof effectively, improves the radiating effect.

The utility model provides a technical scheme that its technical problem adopted is: the utility model provides an explosion-proof projecting lamp of LED, includes face lid, power pack, back lid and light source module, and the power pack is located between face lid and the back lid, its characterized in that: the power supply box is internally provided with a power supply mounting plate, a driving power supply is mounted on the power supply mounting plate and packaged in the power supply box through a glue layer, a radiator is arranged between the face cover and the power supply box and is of a hollow structure, and a light source module is arranged in a cavity formed by the front end of the face cover so as to form an explosion-proof cavity between the driving power supply and the light source module.

Preferably, the power supply mounting plate is connected with an explosion-proof terminal, the explosion-proof terminal is arranged in a cavity of the rear cover, and the rear cover is provided with an explosion-proof stuffing box.

Further, the light source module comprises a light source plate and a lens, the light source plate is arranged in a cavity formed by the front end of the face cover, a lens pressing plate is arranged at the front end of the face cover, the lens pressing plate is located on the outer side of the light source plate, the lens is arranged on the lens pressing plate, and the lens is fixed on the lens pressing plate through a pressing ring.

Preferably, the combination between the surface cover and the radiator is in a double-frustum structure.

Furthermore, a plurality of radiating ribs are distributed on the side surfaces of the surface cover and the radiator

Furthermore, the LED explosion-proof projection lamp further comprises a mounting support, wherein the mounting support is provided with two supporting legs, and the two supporting legs are connected to two side walls of the power supply box.

The utility model has the advantages that:

1. the driving power supply is packaged in the power supply box, so that the stability of the structure is improved, and the driving power supply can be prevented from being damaged due to vibration; on the other hand, the water mist in rainy and snowy weather can be prevented from entering the driving power supply to damage the driving power supply, and the waterproof and moistureproof effects are achieved;

2. a radiator is arranged between the face cover and the power supply box, and the radiator is of a hollow structure so as to form an explosion-proof cavity between the driving power supply and the light source module; the driving power supply and the light source module can be effectively isolated, and the temperature in the explosion-proof cavity can be effectively and rapidly diffused outwards;

3. the combination between face lid and radiator is bipyramid platform structure, and the side of face lid and radiator is laid many heat dissipation beads, great improvement the radiating efficiency.

Drawings

Fig. 1 is a side view of an LED explosion-proof floodlight.

Fig. 2 is a front view of the LED explosion-proof floodlight.

Fig. 3 is a cross-sectional view a-a of fig. 2.

In the figure, 1-surface cover, 2-power box, 3-rear cover, 4-power mounting plate, 5-driving power, 6-glue layer, 7-radiator, 8-explosion-proof cavity, 9-explosion-proof terminal, 10-explosion-proof stuffing box, 11-light source plate, 12-lens, 13-lens pressing plate, 14-pressing ring, 15-heat-radiating rib and 16-mounting support.

Detailed Description

The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

Referring to fig. 1-3, the LED explosion-proof projection lamp of this embodiment includes a face cover 1, a power supply box 2, a back cover 3 and a light source module, the power supply box 2 is located between the face cover 1 and the back cover 3, a power supply mounting plate 4 is disposed in the power supply box 2, a driving power supply 5 is mounted on the power supply mounting plate 4 and is sealed in the power supply box 2 through a glue layer 6, a heat sink 7 is disposed between the face cover 1 and the power supply box 2, the heat sink 7 is of a hollow structure, and the light source module is disposed in a cavity formed at the front end of the face cover 1, so that an explosion-proof cavity 8 is formed between the driving power supply 5 and the light source module; the power supply mounting plate 4 is connected with an explosion-proof terminal 9, the explosion-proof terminal 9 is arranged in the cavity of the rear cover 3, and an explosion-proof stuffing box 10 is arranged on the rear cover 9.

By packaging the driving power supply 5 in the power supply box 2, on one hand, the stability of the structure is improved, and the driving power supply 5 can be prevented from being damaged due to vibration; on the other hand, the water mist in rainy and snowy weather can be prevented from entering the driving power supply 5 to damage the driving power supply 5, and the waterproof and moistureproof effects are achieved.

In addition, a radiator 7 is arranged between the face cover 1 and the power supply box 2, and the radiator 7 is of a hollow structure so as to form an explosion-proof cavity 8 between the driving power supply 5 and the light source module; can effectively isolate the driving power supply 5 from the light source module, and can effectively diffuse the temperature in the explosion-proof cavity 8 outwards quickly. The combination between the face cover 1 and the radiator 7 is of a double-frustum structure, and a plurality of radiating convex ribs 15 are distributed on the side faces of the face cover 1 and the radiator 7, so that the radiating efficiency is greatly improved.

The light source module comprises a light source plate 11 and a lens 12, the light source plate 11 is arranged in a cavity formed at the front end of the face cover 1, a lens pressing plate 13 is arranged at the front end of the face cover 1, the lens pressing plate 13 is located on the outer side of the light source plate 11, the lens 12 is arranged on the lens pressing plate 13, and the lens 12 is fixed on the lens pressing plate 13 through a pressing ring 14.

The LED explosion-proof projection lamp also comprises a mounting bracket 16, wherein the mounting bracket 16 is provided with two support legs which are connected to two side walls of the power supply box 2; the installation of the LED explosion-proof projection lamp is convenient.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims.

Claims

1. The utility model provides an explosion-proof projecting lamp of LED, includes face lid (1), power pack (2), back lid (3) and light source module, and power pack (2) are located between face lid (1) and back lid (3), its characterized in that: be equipped with power supply mounting panel (4) in power supply box (2), install drive power supply (5) on power supply mounting panel (4) and through glue layer (6) encapsulate it in power supply box (2), be equipped with radiator (7) between face lid (1) and power supply box (2), radiator (7) are hollow structure, light source module set up in the cavity that the front end of face lid (1) formed to make and form explosion-proof chamber (8) between drive power supply (5) and the light source module.

2. The LED explosion-proof floodlight of claim 1, wherein: the power supply mounting plate (4) is connected with an explosion-proof terminal (9), the explosion-proof terminal (9) is arranged in a cavity of the rear cover (3), and an explosion-proof packing box (10) is arranged on the rear cover (3).

3. The LED explosion-proof floodlight of claim 2, wherein: the light source module comprises a light source plate (11) and a lens (12), the light source plate (11) is arranged in a cavity formed by the front end of a face cover (1), a lens pressing plate (13) is arranged at the front end of the face cover (1), the lens pressing plate (13) is located on the outer side of the light source plate (11), the lens (12) is arranged on the lens pressing plate (13), and the lens (12) is fixed on the lens pressing plate (13) through a pressing ring (14).

4. The LED explosion-proof floodlight of claim 1, wherein: the surface cover (1) and the radiator (7) are combined to form a double-frustum structure.

5. The LED explosion-proof floodlight of claim 4, wherein: and a plurality of radiating convex ribs (15) are distributed on the side surfaces of the face cover (1) and the radiator (7).

6. The LED explosion-proof floodlight according to any one of claims 1 to 5, characterized in that: the LED explosion-proof projection lamp further comprises a mounting support (16), wherein the mounting support (16) is provided with two supporting legs, and the two supporting legs are connected to two side walls of the power supply box (2).