LED vehicle lamp efficient cooling module

Abstract

The invention discloses an LED vehicle lamp efficient cooling module which comprises a supporting frame, a vehicle lamp substrate and a cooling structure. The cooling structure comprises a cooling substrate, a heat pipe and a fin structure. The heat pipe is fixed between the cooling substrate and the fin structure, the cooling substrate is fixed above the supporting frame, the vehicle lamp substrate is fixed below the cooling substrate, the upper surface of the heat pipe communicates with the fin structure, the lower surface of the heat pipe communicates with the cooling substrate, the fin structure comprises a plurality of fins distributed at equal intervals and perpendicular to the cooling substrate, one side of each fin is evenly provided with a plurality of rows of convex hulls, everytwo adjacent rows of convex hulls are distributed in a crossed mode, and the side, opposite to the vehicle lamp substrate, of the cooling substrate is coated with a heat conduction layer. The coolingstructure can be simplified, the overall weight can be reduced, and the cooling effect can be enhanced.

Description

technical field [0001] The invention belongs to the technical field of vehicle lamp heat dissipation, and in particular relates to a vehicle lamp heat dissipation module. Background technique [0002] The heat dissipation of LED lights is very important. Poor heat dissipation will cause light attenuation or even burn out. As the application of LED car lights becomes more and more extensive, the heat dissipation requirements for LED car lights in a limited installation space are also increasing day by day. Chinese patent CN 106678685A discloses "a heat dissipation mechanism for LED automotive lamps". A heat dissipation bottom plate is arranged on the LED light source, and heat dissipation silica gel is coated on the heat dissipation bottom plate. Perform heat dissipation to prevent adverse effects such as low luminous intensity and damage to electronic components caused by high-power LEDs due to excessive use of current. However, the silica gel is prone to aging after long-...

AI Technical Summary

Problems solved by technology

However, silica gel is easy to age after long-term use, which affects the heat dissipation efficiency of the heat dissipation mechanism

[0003] In addition, traditional car light radiators are integrally formed by die-casting. Although there are less restrictions on styling design in a limited installation space, due to the passive heat dissipation in the car lights, the material ADC used for die-casting parts has a low thermal conductivity, which can only be achieved through Increase the heat dissipation area to improve heat dissipation efficiency

However, increasing the heat dissipation area in a limited installation space requires forming a tooth-like structure on the die-casting, which will inevitably increase the volume and weight, and eventually lead to the traditional car lamp radiator with complex structure, large volume and weight and poor heat dissipation effect. generally

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