CN210891458U

CN210891458U - Heat dissipation LED car lamp

Info

Publication number: CN210891458U
Application number: CN201922425880.8U
Authority: CN
Inventors: 高辉; 刘鹤鸣; 万海峰; 李康康; 田向阳; 陈佳
Original assignee: Jiaxing Guangtai Lighting Co ltd
Current assignee: Jiaxing Guangtai Lighting Co ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-06-30
Anticipated expiration: 2029-12-30

Abstract

The utility model provides a heat dissipation LED car lamp, including first radiator, second radiator, LED light source board, heat pipe, chuck, separation blade, fan lid, first radiator constitutes complete lamp body radiator with the combination of second radiator, the radiator includes the light source installation department, sets up in the radiating part of light source installation department tail end, have the first card dress chamber that supplies LED light source board fixed mounting in the inner chamber of light source installation department, one side in card dress chamber has heating supply pipe fixed mounting's second card dress chamber, LED light source board passes through a plurality of fastener fixed mounting in first card dress chamber, one side of LED light source board is equipped with the heating supply pipe, chuck, separation blade are installed to the front end of light source installation department, fan lid are installed in proper order to the afterbody of radiating part. The radiator adopts a combined structure, the assembly process is simple and reliable, the product consistency is good, the quality is stable and controllable, and the material cost and the production and processing cost can be effectively reduced.

Description

Heat dissipation LED car lamp

[ technical field ] A method for producing a semiconductor device

The utility model relates to an auto-parts's technical field, especially a heat dissipation LED car lamp.

[ background of the invention ]

Most of common high-power LED automobile lamps with the power of more than 30W in the market adopt a heat pipe auxiliary heat conduction technology, but existing products have more unreasonable designs, for example, heat conduction bottlenecks exist due to unreasonable heat conduction path design, so that the junction temperature of an LED is higher, and the maximum power of the LED automobile lamp designed by a single heat pipe does not exceed 38W. The LED car lamp with the double-heat-pipe design has the problems of high cost, complex assembly process and poor reliability. A heat dissipating LED automotive lamp is now proposed.

[ Utility model ] content

The utility model discloses an aim at solving the problem among the prior art, provide a heat dissipation LED car lamp, the assembly of being convenient for, the product uniformity is good, and the steady quality is controllable.

In order to achieve the above purpose, the utility model provides a heat dissipation LED automobile lamp, which comprises a first radiator, a second radiator, an LED light source plate, a heat pipe, a chuck, a baffle, a fan and a fan cover, the first radiator and the second radiator are combined to form a complete lamp body radiator, the lamp body radiator comprises a light source installation part and a radiating part arranged at the tail end of the light source installation part, the inner cavity of the light source mounting part is provided with a first clamping cavity for fixedly mounting the LED light source plate, a second clamping cavity for fixedly installing the heating pipe is arranged at one side of the clamping cavity, the LED light source plate is fixedly installed in the first clamping cavity through a plurality of fasteners, one side of the LED light source plate is provided with a heat supply pipe, the front end of the light source installation part is provided with a chuck, the chuck is provided with a separation blade, and the tail of the heat dissipation part is sequentially provided with a fan and a fan cover.

Preferably, a positioning groove is formed in one end face of the first radiator, two positioning convex ribs in clamping fit with the positioning groove are symmetrically arranged on one end face of the second radiator, and a first clamping cavity and a second clamping cavity are formed in an area between the two positioning convex ribs.

Preferably, the end faces of the first radiator and the second radiator, which are opposite to each other, are respectively provided with a first groove and a second groove, an area between the first groove and the second groove forms a second clamping cavity, and the second clamping cavity is communicated with the first clamping cavity.

Preferably, the heat pipe is in a strip shape, and the cross section of the heat pipe is in a square shape.

Preferably, the LED light source plate is welded and fixed with the heat pipe.

Preferably, the first radiator is provided with three first mounting holes matched with the fasteners at intervals along the length direction, and the second radiator is provided with three second mounting holes corresponding to the first mounting holes at intervals along the length direction.

Preferably, the heat radiating portion is composed of a plurality of heat radiating fins arranged in a ring shape, and a mounting cavity for mounting the fan and the fan cover is formed in the heat radiating portion.

The utility model has the advantages that: the utility model discloses a LED automobile lamp includes first radiator, second radiator, LED light source board, heat pipe, chuck, separation blade, fan cover etc. adopts single heat pipe to assist heat conduction, and LED car light power can reach about 50W, and the reliable power of lamps and lanterns improves about 25%; the radiator adopts a combined structure, the assembly process is simple and reliable, the product consistency is good, and the quality is stable and controllable; the material cost and the production and processing cost can be effectively reduced, and the market competitiveness of the product is improved.

The features and advantages of the present invention will be described in detail by embodiments with reference to the accompanying drawings.

[ description of the drawings ]

FIG. 1 is an exploded view of a heat dissipating LED automotive lamp of the present invention;

fig. 2 is a schematic cross-sectional view of the lamp body radiator of the heat dissipation LED automobile lamp of the present invention.

[ detailed description ] embodiments

Referring to fig. 1-2 the utility model relates to a heat dissipation LED car lamp, including first radiator 1, second radiator 2, LED light source board 3, heat pipe 4, chuck 5, separation blade 6, fan 7, fan lid 8, first radiator 1 constitutes complete lamp body radiator with the combination of second radiator 2, lamp body radiator includes the light source installation department, sets up in the radiating part of light source installation department tail end, have the first card dress chamber 30 that supplies LED light source board 3 fixed mounting in the inner chamber of light source installation department, one side of card dress chamber 30 has the second card dress chamber 40 of heat supply pipe 4 fixed mounting, LED light source board 3 is through a plurality of fastener fixed mounting in first card dress chamber 30, one side of LED light source board 3 is equipped with heat supply pipe 4, the front end chuck of light source installation department installs 5, install separation blade 6 on the chuck 5, fan 7 is installed in proper order to the afterbody of fan 7, The fan cover 8, the heat dissipation portion comprises a plurality of radiating fins arranged in an annular mode, and a mounting cavity used for mounting the fan 7 and the fan cover 8 is formed in the heat dissipation portion.

Further, two lamp body radiator designs have the muscle, the groove design of positioning of assembling each other, and two lamp body radiator designs have the location of LED light source board and heat pipe, closely laminate the assembly design, and is concrete, in this embodiment, constant head tank 11 has been seted up on an terminal surface of first radiator 1, the symmetry is equipped with two protruding muscle 21 of location with constant head tank 11 looks joint complex on an terminal surface of second radiator 2, and the region between two protruding muscle 21 of location forms first calorie of dress chamber 30, second card dress chamber 40. The first radiator 1 and the second radiator 2 are provided with a first groove 401 and a second groove 402 on the opposite end faces respectively, a second clamping cavity 40 is formed in the area between the first groove 401 and the second groove 402, and the second clamping cavity 40 is communicated with the first clamping cavity 30.

Further, by adopting the thickness design of the optimized LED light source plate, the heat conduction and the light distribution are comprehensively considered, and then through computer simulation and experiments, particularly, when the design power of the LED car lamp is about 50W, the thickness of the optimized LED light source plate is 2 mm.

Furthermore, the optimized heat pipe shape is adopted, the positioning and tight assembly design of the LED light source plate and the heat pipe is designed by matching with the lamp body radiator, the preferable shape of the heat pipe 4 is a strip shape with a square section, the welding reliability of the heat pipe and the LED light source plate can be ensured, the accurate installation and positioning and tight assembly of the heat pipe and the heat dissipation lamp body can also be ensured, and the reliable heat conduction and the product consistency are ensured. Specifically, when the design power of the LED car lamp is about 50W, the side length of the square of the cross section of the optimized heat pipe 4 is not less than 3mm, and the length of the heat pipe 4 is about 60 mm.

Further, the LED light source plate 3 and the heat pipe 4 are welded and fixed through auxiliary positioning and constraint, welding reliability is high, positioning is accurate, and the heat conduction effect after assembly can be guaranteed.

Further, two radiators and LED light source board, heat pipe welding body pass through three screw fastening, and the assembly is simple high-efficient, and can guarantee that the positioning is accurate, and the laminating is inseparable, effectively guarantees LED car light heat conduction heat dispersion, and is specific, in this embodiment first radiator 1 is equipped with three first mounting hole 10 with fastener looks adaptation along length direction interval, and second radiator 2 is equipped with three second mounting hole 20 with first mounting hole 10 one-to-one along length direction interval.

The above-mentioned embodiment is right the utility model discloses an explanation, it is not right the utility model discloses a limited, any right the scheme after the simple transform of the utility model all belongs to the protection scope of the utility model.

Claims

1. The utility model provides a heat dissipation LED car lamp which characterized in that: the LED lamp body radiator comprises a light source installation part and a heat dissipation part arranged at the tail end of the light source installation part, wherein a first clamping cavity (30) for fixedly installing the LED light source plate (3) is arranged in an inner cavity of the light source installation part, a second clamping cavity (40) for fixedly installing a heat supply pipe (4) is arranged at one side of the clamping cavity (30), the LED light source plate (3) is fixedly installed in the first clamping cavity (30) through a plurality of fasteners, the heat supply pipe (4) is arranged at one side of the LED light source plate (3), the chuck (5) is installed at the front end of the light source, a separation blade (6) is installed on the chuck (5), and a fan (7) and a fan cover (8) are sequentially installed at the tail of the heat dissipation part.

2. The heat-dissipating LED automotive lamp of claim 1, wherein: the heat radiator is characterized in that a positioning groove (11) is formed in one end face of the first radiator (1), two positioning convex ribs (21) matched with the positioning groove (11) in a clamping mode are symmetrically arranged on one end face of the second radiator (2), and a first clamping cavity (30) and a second clamping cavity (40) are formed in the region between the two positioning convex ribs (21).

3. The heat-dissipating LED automotive lamp of claim 1, wherein: the first radiator (1) and the second radiator (2) are provided with a first groove (401) and a second groove (402) on opposite end faces respectively, a second clamping cavity (40) is formed in an area between the first groove (401) and the second groove (402), and the second clamping cavity (40) is communicated with the first clamping cavity (30).

4. The heat-dissipating LED automotive lamp of claim 1, wherein: the heat pipe (4) is in a strip shape, and the cross section of the heat pipe (4) is square.

5. The heat-dissipating LED automotive lamp of claim 1, wherein: the LED light source plate (3) is welded and fixed with the heat pipe (4).

6. The heat-dissipating LED automotive lamp of claim 1, wherein: the first radiator (1) is provided with three first mounting holes (10) matched with the fasteners at intervals along the length direction, and the second radiator (2) is provided with three second mounting holes (20) corresponding to the first mounting holes (10) at intervals along the length direction.

7. The heat-dissipating LED automotive lamp of claim 1, wherein: the heat dissipation part is composed of a plurality of heat dissipation fins which are arranged in an annular mode, and a mounting cavity used for mounting the fan (7) and the fan cover (8) is formed in the heat dissipation part.