LED lamp

Abstract

The invention provides a luminescence diode lamp, which comprises a head cover, a radiator connected with the lower part of the head cover, a heat conductor and a couple of luminescence diode module groups adhibited at the lower end surface of the heat conductor; the radiator comprises a heat conducting cylinder wall and a couple of radiating rectangular fins extending outwards from the heat conducting cylinder wall; the heat radiator is contained inside the heat conducting cylinder wall and is connected with the heat conducting cylinder wall for heat conducting; the lower end surface of the heat conductor forms an inner concave used for being adhibited by the luminescence diode module groups. The air current channels between the radiating rectangular fins are arranged at the peripheral area of the heat conductor, which facilitates air taking away the heat of the radiating rectangular fins by convection from the bottom to top, thus realizing radiating effect. Meanwhile, since the luminescence diode is adhibited on the inner concave of the heat conductor, the emission angle of light is increased.

Description

technical field [0001] The invention relates to a light-emitting diode lamp, in particular to a light-emitting diode lamp with a heat dissipation structure. Background technique [0002] As an emerging third-generation light source, although it cannot replace traditional incandescent lamps on a large scale, it has the advantages of long working life, energy saving, and environmental protection, and is generally favored by the market. 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] However, LEDs with higher power and brightness or their modules generate more heat, which is difficult to dissip...

AI Technical Summary

Problems solved by technology

[0004] However, because the heat dissipation fins in the middle of the radiator receive more heat from the heat source and the air convection is poorer than the heat dissipation fins near the periphery, so if the heat sources are evenly and densely arranged on a bottom plate like this, it is easy to cause uneven heat dissipation. The temperature in the middle of the bottom plate is too high relative to the surrounding area, which greatly affects the overall heat dissipation performance of the radiator.

In addition, the light source is distributed on a plane so that the outgoing angle of light is also limited to a certain extent.

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