LED explosion-proof lamp

Abstract

The invention discloses an LED explosion-proof lamp comprising a light source unit, a power supply unit, a light source cavity and a power supply cavity, wherein the light source cavity is surrounded outside the light source unit; the power supply cavity is surrounded outside the power supply unit; the light source unit is internally provided with more than one reflecting bowl and LED light source which are matched; the power supply unit is internally provided with a constant-current driving power supply; heat radiating grooves formed by gear-shaped heat sinks or fins are arranged on the outer surfaces of the light source cavity and the light source cavity; the light source cavity is isolated from the power supply cavity in a connected state; and the light emitting outlet of the reflecting bowl is provided with a light cover made of toughened glass. The LED explosion-proof lamp has a two-cavity explosion-proof structure which meets the newest design requirement for the explosion-proof lamp and has extremely good explosion-proof and antistatic property; the LED explosion-proof lamp has light and thin appearance, impact resistance, strong shock resistance and good mechanical strength; in addition, heat-resistant toughened glass with a large arc is adopted, thereby the heat radiating space is expanded, the temperature rise is reduced and the service life of a bulb is prolonged.

Description

technical field [0001] The invention relates to an explosion-proof lamp, in particular to an LED explosion-proof explosion-proof lamp using a high-power and high-brightness light-emitting diode as an illumination source, and belongs to the technical field of semiconductor lighting. Background technique [0002] Explosion-proof lamps refer to lamps that take various specific measures to prevent the ignition of surrounding explosive mixtures such as explosive gas atmospheres, explosive dust atmospheres, gas gases, etc. A very important explosion-proof principle in explosion-proof lamps is to limit the temperature of the shell surface, component surface or electronic component surface that is in contact with explosive gas and explosive dust, and limit the temperature of the electrical contact surface below its minimum ignition temperature or ignition temperature. . [0003] Since LED is a solid-state cold light source, it has the advantages of high electro-optic conversion eff...

AI Technical Summary

Problems solved by technology

The light source and power supply of traditional explosion-proof lamps are in the same room, and the heat generated during the working process of the power supply and light source is accumulated, which causes the surface temperature of the lamp shell to rise, causing the working temperature of the LED light source to exceed the node temperature and fail; moreover, the temperature of the power supply rises It may cause static electricity and electric sparks. When the surface temperature of the shell is higher than its minimum ignition temperature or ignition temperature, it is very likely to explode

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