CN213334189U

CN213334189U - Automobile LED headlamp

Info

Publication number: CN213334189U
Application number: CN202022738873.6U
Authority: CN
Inventors: 唐焕雷
Original assignee: Yueqing Youtong Flexible Connection Co ltd
Current assignee: Yueqing Youtong Flexible Connection Co ltd
Priority date: 2020-11-24
Filing date: 2020-11-24
Publication date: 2021-06-01
Anticipated expiration: 2030-11-24

Abstract

The utility model discloses a car LED headlamp that heat dispersion is good, simple structure, installation are easy, longe-lived. The technical scheme adopted comprises the following steps: LED lamp circuit subassembly, setting are in the heat dissipation mechanism of LED lamp circuit subassembly bottom, its characterized in that: the LED lamp circuit assembly comprises a metal substrate, LED lamps arranged on two sides of the metal substrate and a shell arranged outside the metal substrate, wherein at least one side of the metal substrate is provided with a heat conduction column, and the shell is provided with a light transmission hole corresponding to the LED lamps; the heat dissipation mechanism is formed by stacking a plurality of aluminum sheets and is provided with an installation part of an integrated structure at the stacking position of the aluminum sheets through diffusion welding, a copper seat is arranged in the installation part, and at least the heat conduction column is connected with the copper seat.

Description

Automobile LED headlamp

Technical Field

The utility model relates to an automobile LED headlamp.

Background

Due to the rapid development of main technical indexes such as energy conservation, long service life, no stroboflash and high brightness in recent years, the LED lamp has been widely applied to the bright headlight of the automobile. The existing LED automobile headlamp structure is as follows: as shown in the chinese utility model patents of "204227271U", "204460008U" and "203501010U", the LED automobile lamp with such a structure has the following disadvantages: 1. the heat dissipation performance is poor, in order to improve the heat dissipation performance, some heat dissipation fans are also arranged in the heat dissipation seats, but the fans are often damaged due to high temperature when the headlamp works; 2. the structure is complex, and the wiring is troublesome; 3. short service life and the like.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a car LED headlamp that heat dispersion is good, simple structure, installation are easy, longe-lived.

In order to solve the above problem, the utility model discloses a technical scheme include: LED lamp circuit subassembly, setting are in the heat dissipation mechanism of LED lamp circuit subassembly bottom, its characterized in that: the LED lamp circuit assembly comprises a metal substrate, LED lamps arranged on two sides of the metal substrate and a shell arranged outside the metal substrate, wherein at least one side of the metal substrate is provided with a heat conduction column, and the shell is provided with a light transmission hole corresponding to the LED lamps; the heat dissipation mechanism is formed by stacking a plurality of aluminum sheets and is provided with an installation part of an integrated structure at the stacking position of the aluminum sheets through diffusion welding, a copper seat is arranged in the installation part, and at least the heat conduction column is connected with the copper seat.

Car LED headlamp, its characterized in that: the installation department bottom is equipped with the line box.

Car LED headlamp, its characterized in that: and heat conducting columns are arranged on two sides of the metal substrate.

Car LED headlamp, its characterized in that: the shell is formed by butt joint of a left half shell and a right half shell.

Car LED headlamp, its characterized in that: screw holes are formed in two ends of the left half shell and the right half shell.

Car LED headlamp, its characterized in that: the bottom of the shell is provided with a base which is integrally wrapped on the copper seat.

Car LED headlamp, its characterized in that: mounting grooves are formed in four corners of the mounting portion.

Car LED headlamp, its characterized in that: the thickness of the aluminum sheet is 0.1mm-0.2mm, and the number of the aluminum sheets is 30-60.

Car LED headlamp, its characterized in that: the aluminum sheets are strip-shaped and stacked in a cross shape.

Car LED headlamp, its characterized in that: the aluminum thin sheets have a thickness of 0.15mm and a number of 40.

The utility model discloses a car LED headlamp advantage: 1. the heat dissipation mechanism structure is formed by laminating a plurality of aluminum sheets, and has the advantages of simple structure, expansibility (the number of the aluminum sheets can be increased or reduced according to heat dissipation requirements) and good heat dissipation performance (the temperature can be reduced to be below 80 ℃); 2. the LED lamp circuit assembly is provided with the metal substrate and the heat conducting columns, so that heat can be quickly conducted to the heat dissipation mechanism for heat dissipation; 3. the bottom of the LED lamp circuit component can be connected with a lead and is arranged in the wire box, so that the LED lamp circuit component has the advantages of convenience in wiring, safety and reliability.

Drawings

The present invention will be further explained with reference to the drawings attached to the specification.

FIG. 1 is a schematic structural diagram of an automotive LED headlamp of the present invention;

FIG. 2 is an exploded view of the LED headlamp of the present invention;

fig. 3 is a schematic structural diagram of the heat dissipation mechanism of the present invention.

Detailed Description

Referring to fig. 1 to 3, the utility model discloses an automobile LED headlamp, be in including LED lamp circuit module 1 and setting the heat dissipation mechanism 2 of LED lamp circuit module 1 bottom. The LED lamp circuit assembly 1 comprises a metal substrate 3 made of copper, LED lamps 4 arranged on two sides of the metal substrate 3 and a shell 5 arranged outside the metal substrate 3. The housing 5 is also made of aluminum material with good heat dissipation. At least one side of the metal substrate 3 is provided with a heat conduction column 6 welded with . And a light hole 7 is formed in the position, corresponding to the LED lamp 4, of the shell 5. The heat dissipation mechanism 2 is formed by laminating a plurality of aluminum sheets 8, and an installation part 9 of an integral structure is formed by diffusion welding at the overlapped part. The center of the mounting part 9 is provided with a copper seat 11. The specific installation mode of the copper seat 11 is as follows: firstly, an installation groove matched with the copper seat 11 is formed in the center of the installation part 9, and then the copper seat 11 is forcibly extruded into the installation groove in a stamping mode. The heat conducting column 6 of the heat dissipation mechanism 2 is connected with the copper seat 11 in a riveting mode or a welding mode after riveting so as to improve heat conductivity. Ideally, the metal substrate 3 is also connected to the copper seat 11 in the same manner as the heat-conducting pillar 6, so as to further improve the thermal conductivity.

Preferably, a wire box 12 is arranged at the bottom of the mounting part 9, and an LED lamp power adapter is mounted in the wire box 12. The lead wire connected with the LED lamp 4 can be arranged in the wire box 12 and connected with the LED lamp power adapter.

Preferably, the housing 5 is formed by butt-jointing a left half shell 13 and a right half shell 14. Screw holes 15 are formed at two ends of the left half shell 13 and the right half shell 14. The left half shell 13 and the right half shell 14 are fixed by screwing in screw holes 15, so that the shells can be conveniently mounted.

Preferably, the bottom of the shell 5 is provided with a base 16 integrally wrapped on the copper seat 11, so as to realize the integral beauty and heat dissipation performance of the product.

Preferably, mounting grooves 17 are formed at four corners of the mounting portion 9. Be equipped with on the base 16 of shell 5 with mounting groove 17 installs first installation foot 18 of complex, be equipped with on the line box 12 with mounting groove 17 installs complex second installation foot 19, thereby realize shell 5 line box 12 with quick installation between the installation department 9 of heat dissipation mechanism 2.

Preferably, the aluminum thin sheets 8 have a thickness of 0.1mm to 0.2mm and a number of 30 to 60 sheets. Desirably, the aluminum thin sheets 8 have a thickness of 0.15mm and a number of 40 sheets for optimal heat dissipation performance.

Preferably, the aluminum sheets 8 are strip-shaped and stacked in a cross shape, and the structure has the advantages of convenience in production, good heat dissipation and small size. When the aluminum sheet is used, each aluminum sheet can be unfolded, and a gap is formed between the adjacent aluminum sheets, so that the heat dissipation effect is improved.

Although the present invention has been described with reference to the above embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The utility model provides an automobile LED headlamp, is in including LED lamp circuit module (1), setting the heat dissipation mechanism (2) of LED lamp circuit module (1) bottom, its characterized in that: the LED lamp circuit assembly (1) comprises a metal substrate (3), LED lamps (4) arranged on two sides of the metal substrate (3) and a shell (5) arranged outside the metal substrate (3), wherein at least one side of the metal substrate (3) is provided with a heat conduction column (6), and the shell (5) is provided with a light transmission hole (7) corresponding to the LED lamps (4); the heat dissipation mechanism (2) is formed by stacking a plurality of aluminum sheets (8) and is provided with an installation part (9) of an integrated structure at the superposition position of the aluminum sheets through diffusion welding, a copper seat (11) is arranged in the installation part (9), and at least the heat conduction column (6) is connected with the copper seat (11).

2. The automotive LED headlamp of claim 1, wherein: and a wire box (12) is arranged at the bottom of the mounting part (9).

3. The automotive LED headlamp of claim 1, wherein: and heat conducting columns (6) are arranged on two sides of the metal substrate (3).

4. The automotive LED headlamp of claim 1, wherein: the shell (5) is formed by butt joint of a left half shell (13) and a right half shell (14).

5. The automotive LED headlamp of claim 4, wherein: screw holes (15) are formed in the two ends of the left half shell (13) and the right half shell (14).

6. The automotive LED headlamp of claim 1, wherein: the bottom of the shell (5) is provided with a base (16) which is integrally wrapped on the copper seat (11).

7. The automotive LED headlamp of claim 1, wherein: and mounting grooves (17) are formed in four corners of the mounting part (9).

8. The automotive LED headlamp of claim 1, wherein: the thickness of the aluminum thin sheets (8) is 0.1mm-0.2mm, and the number of the aluminum thin sheets is 30-60.

9. The automotive LED headlamp of claim 1, wherein: the aluminum sheets (8) are strip-shaped and stacked in a cross shape.

10. The automotive LED headlamp of claim 8 wherein: the aluminum thin sheets (8) are 0.15mm in thickness and 40 in number.