LED light fitting with heat radiating device

Abstract

The invention provides an LED lamp with a heat dissipation device, comprising a radiator and a plurality of LEDs; wherein, the radiator comprises a soleplate and a plurality of heat dissipation fins which extend out of the top surface of the soleplate, a heat conducting plate which is connected with the radiator in a heat conduction way; the LED is positioned on the surface of the heat conducting plate backing towards the radiator; and the heat conducting plate is a phase heat transmission element with unidirectional heat transmission function and can quicken the heat transmission of the LED towards the radiator and block the heat transmission in the reverse direction. When in use, the heat of the LED lamp can be quickly conducted to the radiator and emanated out; when not in use, even when the temperature of the radiator is increased as being heated by the environmental temperature, owning to the characteristic of unidirectional heat transmission of the heat guide plate, the radiator can not transmit the environmental heat to the LED, thus achieving an effect of protecting the LED.

Description

technical field [0001] The invention relates to a light-emitting diode lamp with a cooling device. Background technique [0002] As a new third-generation light source, light-emitting diodes cannot replace traditional incandescent lamps on a large scale, but they are generally favored by the market due to their advantages such as long working life, energy saving, and environmental protection. Moreover, the current modules composed of light-emitting diodes can produce high-power, high-brightness light sources, which can completely replace existing incandescent lamps for indoor and outdoor lighting, and will also widely and revolutionaryly replace existing light sources such as traditional incandescent lamps. And then become the main light source in line with the theme of energy saving and environmental protection. [0003] When used for some professional purposes such as outdoor lighting equipment, LEDs used as light sources for LED lighting equipment are usually tightly pac...

AI Technical Summary

Problems solved by technology

However, in such an outdoor environment, the LED lighting equipment and its heat sink will most likely be exposed to sunlight for a long time when they are not working during the day, and the heat sink will be in a high temperature state.

Because the heat sink is connected to the LED through heat conduction, the heat sink will continuously transfer the heat generated by the sunlight radiation to the LED, causing the LED to stay in a high temperature environment for a long time no matter whether it is working or not, which will affect its life and stability.

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