Single LED (light-emitting diode) light source radiating seat and LED lamp

Abstract

The invention relates to a single LED (light-emitting diode) light source radiating seat which comprises a substrate for fixing an LED light source, a radiating block connected with the substrate, and a radiating plate connected with the radiating block, wherein the radiating block comprises a connecting part connected with the substrate and the radiating plate and a protruding part arranged on the connecting part; and the protruding part is adhered to the LED light source through a hole formed on the substrate. The LED light source is jointed with the protruding part of the radiating block, so that the heat generated by the light source can be directly transferred to the radiating plate through the radiating block; and because the traditional heat is transferred to the radiating block and the radiating plate in turn through the substrate, the whole conducting thermal resistance between the LED light source and the radiating plate is reduced. Therefore, the heat conduction efficiency is higher, the radiating effect is better, the junction temperature of the LED light source can be effectively reduced, and the service life of the LED light source is prolonged. In addition, the invention also relates to an LED lamp employing the single LED light source radiating seat.

Description

【Technical field】 [0001] The invention relates to a heat sink for a single LED light source and an LED lamp. 【Background technique】 [0002] Traditional LED lamps generally dissipate heat by welding the LED light source to an aluminum substrate, and then installing the aluminum substrate on a heat sink. The general aluminum substrate uses the aluminum plate as the main heat dissipation material, but because the LED pins and other circuit leads need to be welded on it, a layer of copper foil is generally laid on the aluminum plate as a heat conductor for the circuit and heat dissipation. However, an insulating layer must be laid between the copper foil and the aluminum plate to ensure the insulation performance between the circuits and between the circuit and the aluminum plate. This insulating layer produces a huge thermal resistance, which affects the heat dissipation performance of the LED light source. 【Content of invention】 [0003] Based on this, it is necessary to p...

AI Technical Summary

Problems solved by technology

However, an insulating layer must be laid between the copper foil and the aluminum plate to ensure the insulation performance between the circuits and between the circuit and the aluminum plate. This insulating layer produces a huge thermal resistance, which affects the heat dissipation performance of the LED light source.

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