CN210123134U

CN210123134U - High-efficient heat dissipation type vehicle headlamps

Info

Publication number: CN210123134U
Application number: CN201920811717.2U
Authority: CN
Inventors: 林资凯; 王海霞
Original assignee: Suzhou Caliken New Optical Technology Co Ltd
Current assignee: Suzhou Caliken New Optical Technology Co Ltd
Priority date: 2019-05-31
Filing date: 2019-05-31
Publication date: 2020-03-03
Anticipated expiration: 2029-05-31

Abstract

The utility model belongs to the LED car light field discloses a high-efficient heat dissipation type vehicle headlamps, including LED light source 12, speculum 11, lens 14, still include radiator 13, radiator 13 includes annular heat pipe 131 and heat dissipation fin 132, heat dissipation fin 132 is the even row of grid shape and locates annular heat pipe 131 outer with annular heat pipe 131 fixed connection, annular heat pipe 131 with LED light source 12's back is connected, so, the heat of LED light source can be very fast follow annular heat pipe 131 and heat dissipation fin 132 and volatilize to the air in and go, and then reduce the temperature of LED light source, and the normal work of guarantee light source is favorable to improving vehicle headlamps's life, and simultaneously, this embodiment technical scheme is simple, the equipment is convenient, and LED component volume is very little, the design of the karts of being convenient for more.

Description

High-efficient heat dissipation type vehicle headlamps

Technical Field

The utility model belongs to the technical field of the LED car light, in particular to high-efficient heat dissipation type vehicle headlamps.

Background

At present, an LED light source is used in an automobile headlamp, for a high-brightness LED, heat is concentrated in a chip with a small size, the temperature of the chip is increased, the non-uniform distribution of thermal stress is caused, when the temperature exceeds a certain value, the failure rate of a device is increased in an exponential rule, and the service life is influenced. Statistics show that the reliability is reduced by 10% when the temperature of an element rises by 2 ℃, and when a plurality of LEDs are densely distributed in the pi mode and do not form a white light illumination system, the problem of heat dissipation is more serious, and the problem of heat management is a prerequisite for high-brightness LED application.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem of the prior art, the embodiment of the utility model provides a simple structure's high-efficient thermal diffusivity vehicle headlamps.

In order to achieve the above purpose, the technical scheme of the utility model is as follows:

the utility model provides a high-efficient heat dissipation type vehicle headlamps, includes LED light source, speculum and lens, still includes the radiator, the radiator includes annular heat pipe and heat dissipation fin, the heat dissipation fin is the even row of grid shape and locates annular heat pipe outside with annular heat pipe fixed connection, annular heat pipe with the back of LED light source is connected.

As a preferred technical solution of this embodiment, the loop heat pipe is made of pure copper.

As a preferred technical solution of this embodiment, the heat dissipation fin is connected to the reflector.

Has the advantages that:

1. the heat dissipation area is increased by the structural design of the annular heat pipe, so that the heat dissipation efficiency is improved;

2. the radiating fins uniformly distributed on the annular heat pipe further increase the radiating area, so that the radiating efficiency is improved;

3. the annular heat pipe is made of pure copper with high heat conductivity, so that the heat dissipation efficiency is further improved;

4, this technical scheme simple structure, the equipment is convenient, and the exquisite head-light that is fit for designing multiple structure of radiator structure. Can be suitable for small-sized head lamp

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an efficient heat dissipation type automotive headlamp provided in an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a heat sink according to an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the following description will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, fig. 2, a high-efficient heat dissipation type vehicle headlamps, including LED light source 12, speculum 11, lens 14, still include radiator 13, radiator 13 includes annular heat pipe 131 and heat dissipation fin 132, heat dissipation fin 132 is the even row of grid shape and locates annular heat pipe 131 outer with annular heat pipe 131 fixed connection, annular heat pipe 131 with LED light source 12's back is connected, so, the heat of LED light source can volatilize to the air from annular heat pipe 131 and heat dissipation fin 132 very fast in, and then reduces the temperature of LED light source, the normal work of guarantee light source is favorable to improving vehicle headlamps's life, and simultaneously, this embodiment technical scheme is simple, the equipment is convenient, and LED element is small, the design of the small-size vehicle headlamps of being convenient for more.

Specifically, the annular heat pipe is made of pure copper, the heat dissipation coefficient of the copper is high, and the annular structure design of the heat pipe increases the heat dissipation area, so that the heat dissipation efficiency is improved.

Specifically, the heat dissipation fin is connected with the reflector, so that the heat dissipation area is further increased, and the heat dissipation efficiency is further improved.

Claims

1. The utility model provides a high-efficient heat dissipation type vehicle headlamps, includes LED light source, speculum and lens, its characterized in that still includes the radiator, the radiator includes annular heat pipe and heat dissipation fin, the heat dissipation fin is the even row of grid shape and locates annular heat pipe outside with annular heat pipe fixed connection, annular heat pipe with the back of LED light source is connected.

2. The efficient heat dissipation type automotive headlamp according to claim 1, wherein the loop heat pipe is made of pure copper.

3. An efficient heat dissipation type automotive headlamp according to claim 1, wherein said heat dissipation fins are connected to said reflector.