CN213453478U

CN213453478U - LED projection lamp structure for vehicle

Info

Publication number: CN213453478U
Application number: CN202022729124.7U
Authority: CN
Inventors: 曹隆群
Original assignee: Foshan Xinchen Automobile Lighting Co ltd
Current assignee: Foshan Xinchen Automobile Lighting Co ltd
Priority date: 2020-11-23
Filing date: 2020-11-23
Publication date: 2021-06-15
Anticipated expiration: 2030-11-23

Abstract

The utility model discloses an automobile-used LED projecting lamp structure, include: the heat dissipation device comprises a shell, wherein supporting fins are arranged inside the shell, and transverse heat dissipation fins and longitudinal heat dissipation fins are arranged on the outer surface of the shell; the LED assembly is arranged on the plurality of supporting fins; the lower end of the lampshade covers the LED assembly; the face lid sets up the opening part at the installation cavity, and the face lid links to each other with the shell joint. By adopting the technical scheme, the supporting fins vertically connected with the bottom of the installation cavity are arranged in the installation cavity, the transverse radiating fins and the longitudinal radiating fins are arranged on the surface of the shell, the LED assembly is directly arranged on the supporting fins, so that heat emitted by the LED assembly can be directly LED out of the installation cavity through the supporting fins, the heat is transferred to the transverse radiating fins and the longitudinal radiating fins on the surface of the shell to be quickly radiated, the radiating effect is effectively improved, and the service life of the LED assembly is prolonged.

Description

LED projection lamp structure for vehicle

Technical Field

The utility model relates to a lighting device technical field, in particular to automobile-used LED projecting lamp structure.

Background

With the development of automotive electronics, more and more LED lamps are used as light sources of automotive lamps.

In the prior art, the LED projection lamp used by the forklift adopts a high beam, the high beam has higher illumination requirement than a low beam, and a high-power LED lamp needs to be used, but the high-power LED lamp has higher requirement on the heat dissipation technology, the higher the power of the LED module is, the higher the heat flux density of the chip is, when the heat conduction effect of the radiator is poor, the temperature of the LED chip rises sharply, the light attenuation can be generated quickly, the LED chip is easy to damage, the service life is short, the LED chip needs to be replaced frequently, and the use and maintenance cost is increased.

SUMMERY OF THE UTILITY MODEL

To the above problem, the to-be-solved technical problem of the utility model is to provide an automobile-used LED projecting lamp structure to solve automobile-used LED projecting lamp radiating effect among the prior art poor, damage the problem of LED chip easily.

In order to solve the technical problem, the utility model discloses a technical scheme does:

an automotive LED project lamp structure, includes: the heat dissipation device comprises a shell, wherein a mounting cavity is formed in the shell, a plurality of supporting fins which are vertically arranged at intervals are arranged in the mounting cavity, the supporting fins are connected with the bottom surface of the mounting cavity, and transverse heat dissipation fins and longitudinal heat dissipation fins are arranged on the outer surface of the shell; the LED assembly is positioned in the mounting cavity and arranged on the plurality of supporting fins; the lampshade is positioned in the installation cavity, and the lower end of the lampshade covers the LED assembly; the face cover is arranged at the opening of the mounting cavity and connected with the shell in a clamping mode.

Further, the support fin is arranged along the length direction of the installation cavity.

Further, the support fins are not less than 2.

Furthermore, the transverse radiating fins are arranged in the middle of the surface of the shell, the longitudinal radiating fins are arranged at the front end and the rear end of the surface of the shell, and one end of each longitudinal radiating fin is vertically connected with the adjacent transverse radiating fin.

Further, the LED assembly comprises an aluminum substrate and LED lamp beads arranged on the aluminum substrate, and the LED lamp beads are circularly and symmetrically distributed on the aluminum substrate.

Furthermore, the lampshade comprises a panel and a reflection cup, the front end of the reflection cup is vertically distributed on the rear end face of the panel, and a semicircular body protruding towards the interior of the reflection cup is arranged on the rear end face of the panel.

Furthermore, the reflecting cups are circularly and symmetrically distributed on the rear end face of the panel.

Further, the lampshade, the LED assembly and the shell are sequentially connected through screws.

Furthermore, the shell is provided with a wire outlet hole communicated with the mounting cavity.

Furthermore, a bracket avoiding groove is arranged on the shell.

By adopting the technical scheme, the supporting fins vertically connected with the bottom of the installation cavity are arranged in the installation cavity, the transverse radiating fins and the longitudinal radiating fins are arranged on the surface of the shell, the LED assembly is directly arranged on the supporting fins, so that heat emitted by the LED assembly can be directly LED out of the installation cavity through the supporting fins, the heat is transferred to the transverse radiating fins and the longitudinal radiating fins on the surface of the shell to be quickly radiated, the radiating effect is effectively improved, and the service life of the LED assembly is prolonged.

Drawings

Fig. 1 is an exploded view of the present invention;

fig. 2 is a longitudinal sectional view of the present invention;

fig. 3 is a schematic structural diagram of the housing of the present invention;

fig. 4 is a schematic structural view of another view angle of the housing of the present invention;

fig. 5 is a longitudinal sectional view of the lamp cover of the present invention;

in the figure, 10-housing; 11-a mounting cavity; 12-support fins; 13-transverse heat dissipating fins; 14-longitudinal heat dissipation fins; 15-outlet hole; 16-a rack avoidance slot; 20-an LED assembly; 21-aluminum substrate; 22-LED lamp beads; 30-a lampshade; 31-a panel; 32-a light-reflecting cup; 33-a semi-circular body; 40-face cover.

Detailed Description

The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

As shown in fig. 1 to 4, an LED projector structure for a vehicle includes a housing 10, an LED assembly 20, a lampshade 30 and a cover 40.

The housing 10 is an aluminum housing 10, which has high thermal conductivity and high heat dissipation speed. The mounting cavity 11 is arranged inside the housing 10 and used for accommodating the LED assembly 20 and the lampshade 30, the plurality of supporting fins 12 are arranged inside the mounting cavity 11 at intervals, and the supporting fins 12 are connected with the bottom surface of the mounting cavity 11 and used for effectively dissipating heat inside the mounting cavity 11 and improving the heat dissipation speed; the outer surface of the housing 10 is provided with transverse heat dissipating fins 13 and longitudinal heat dissipating fins 14 for dissipating heat of the housing 10 itself, and the effect of dissipating heat inside and outside the housing 10 is achieved by the support fins 12 and the transverse heat dissipating fins 13 and the longitudinal heat dissipating fins 14 on the outer surface of the housing 10. Inside LED subassembly 20 was located installation cavity 11, LED subassembly 20 set up on a plurality of support fins 12 for in the heat energy that LED subassembly 20 produced can directly carry out heat energy conduction play installation cavity 11 through support fins 12, dispel the heat fast to the heat energy in the installation cavity 11, reach and carry out quick radiating effect to LED subassembly 20. And the lampshade 30 is positioned in the mounting cavity 11, and the lower end of the lampshade 30 covers the LED assembly 20 and is used for condensing and projecting light emitted by the LED assembly 20. The face cover 40 is arranged at an opening of the mounting cavity 11, the face cover 40 is connected with the shell 10 in a clamping mode, the face cover 40 is made of a PC material, the back face of the face cover 40 is formed by a plurality of spherical faces protruding towards the direction of the lampshade 30, and therefore secondary condensation is conducted on a light source emitted by the LED assembly 20, the light source is made to project farther, the power of the LED lamp can be reduced, and the energy-saving effect is achieved.

In the present embodiment, the support fins 12 are disposed along the length direction of the mounting cavity 11, and the number of the support fins 12 is not less than 2. In addition, the supporting fins 12 can also be arranged at intervals along the width direction of the mounting cavity 11, and the contact area between the supporting fins 12 and the LED assembly 20 is increased as the number of the supporting fins 12 is increased, so that heat generated by the LED assembly 20 can be quickly conducted and dissipated.

In this embodiment, the horizontal heat dissipating fins 13 are disposed in the middle of the surface of the housing 10, the longitudinal heat dissipating fins 14 are disposed at the front and rear ends of the surface of the housing 10, and one end of the longitudinal heat dissipating fins 14 is vertically connected to the adjacent horizontal heat dissipating fins 13, so that the heat dissipating speed of the housing 10 is faster and the heat dissipating effect is better.

In this embodiment, the LED assembly 20 includes an aluminum substrate 21 and LED beads 22 disposed on the aluminum substrate 21, and the LED beads 22 are disposed on the aluminum substrate 21 in a circular symmetric distribution.

As shown in fig. 1 and 5, the lamp shade 30 includes a panel 31 and a reflective cup 32, the front end of the reflective cup 32 is vertically disposed on the rear end surface of the panel 31, and the rear end surface of the panel 31 is provided with a semi-circular body 33 protruding toward the interior of the reflective cup 32, so as to condense the light emitted from the LED lamp bead 22. The panel 31, the semi-circle body 33 and the reflective cup 32 are integrally formed to form a lens-type lampshade 30, which focuses light from the light source emitted by the LED lamp 22. In addition, the reflective cups 32 are circularly and symmetrically arranged on the rear end face of the panel 31, and are in one-to-one correspondence with the distribution of the LED lamp beads 22.

As shown in fig. 1 to 4, the lampshade 30, the LED module 20 and the housing 10 are sequentially connected by screws, a countersunk hole is formed in the lampshade 30, a connecting hole is formed in an aluminum substrate 21 on the LED module 20, a screw connecting column is arranged on the housing 10, the countersunk hole, the connecting hole and the screw connecting column are all concentrically arranged, the lampshade 30, the LED module 20 and the housing 10 are sequentially connected by screws, and the installation is convenient and rapid.

In this embodiment, the housing 10 is provided with an outlet 15 communicating with the mounting cavity 11 for passing out a power line of the LED module 20.

In this embodiment, the housing 10 is provided with a bracket avoiding groove 16 for installing a supporting frame of the housing 10, and the LED projection lamp for vehicle in this embodiment can be applied to various vehicle types through the supporting frame.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims.

Claims

1. The utility model provides an automobile-used LED projecting lamp structure which characterized in that includes:

the heat dissipation device comprises a shell, wherein a mounting cavity is formed in the shell, a plurality of supporting fins which are vertically arranged at intervals are arranged in the mounting cavity, the supporting fins are connected with the bottom surface of the mounting cavity, and transverse heat dissipation fins and longitudinal heat dissipation fins are arranged on the outer surface of the shell;

the LED assembly is positioned in the mounting cavity and arranged on the plurality of supporting fins;

the lampshade is positioned in the installation cavity, and the lower end of the lampshade covers the LED assembly;

the face cover is arranged at the opening of the mounting cavity and connected with the shell in a clamping mode.

2. The LED spot light structure for vehicles of claim 1, wherein the supporting fins are disposed along a length direction of the mounting cavity.

3. The LED floodlight structure for vehicles of claim 2, wherein said supporting fins are not less than 2 pieces.

4. The LED spot light structure of claim 1, wherein the horizontal heat dissipation fins are disposed at a middle portion of the surface of the housing, the longitudinal heat dissipation fins are disposed at front and rear ends of the surface of the housing, and one end of each longitudinal heat dissipation fin is vertically connected to the adjacent horizontal heat dissipation fins.

5. The LED project lamp structure for the vehicle of claim 1, wherein the LED assembly comprises an aluminum substrate and LED beads arranged on the aluminum substrate, and the LED beads are arranged on the aluminum substrate in a circularly symmetric distribution.

6. The LED project lamp structure for vehicle of claim 1, wherein the lamp shade comprises a panel and a reflective cup, the front end of the reflective cup is vertically distributed on the rear end surface of the panel, and the rear end surface of the panel is provided with a semi-circle protruding towards the inside of the reflective cup.

7. The LED spotlight structure of claim 6, wherein the reflective cups are disposed on the rear surface of the panel in a circular symmetrical manner.

8. The LED project lamp structure for vehicle of claim 1, wherein the lampshade, the LED assembly and the housing are connected in sequence by screws.

9. The LED project lamp structure for vehicle of claim 1, wherein said housing has an outlet hole communicating with said mounting cavity.

10. The LED project lamp structure for vehicle of claim 1, wherein the housing is provided with a bracket avoiding groove.