CN216244079U

CN216244079U - Compact structure dispels heat good car laser headlight bulb

Info

Publication number: CN216244079U
Application number: CN202122763646.3U
Authority: CN
Inventors: 龚备文
Original assignee: Zhongshan Baomingtong Lighting Technology Co ltd
Current assignee: Zhongshan Baomingtong Lighting Technology Co ltd
Priority date: 2021-11-12
Filing date: 2021-11-12
Publication date: 2022-04-08
Anticipated expiration: 2031-11-12

Abstract

The utility model discloses an automobile laser headlamp bulb with a compact structure and good heat dissipation, which comprises a lamp cap, a chuck, a body upper cover, an LED chip, an LED circuit board, a reflective lens, a waterproof ring, a blue laser module, a power line, a rear cover, a fan, a body lower cover, a screw and a power connection base. The utility model provides a novel light path structure design for the laser module of the automobile lamp, and aims to realize that the laser module is arranged in the lamp body to reduce the heat generated by the lamp holder in the working process and optimize the heat dissipation performance; in addition, the light beam is refracted by the reflector sheet, and can be converted into light with other colors by matching with the color of the fluorescent film based on the color of the light beam, for example, a blue light beam is matched with a yellow fluorescent film, so that the light beam can be converted into white light, the normal driving requirement is met, the double-doubling addition of the laser light effect and the LED chip light effect is realized, and the effect is more excellent and remarkable; the utility model not only optimizes the heat dissipation performance, but also obviously reduces the whole volume of the product.

Description

Compact structure dispels heat good car laser headlight bulb

Technical Field

The utility model relates to the field of light path design of automobile laser headlamp bulbs, in particular to an automobile laser headlamp bulb with a compact structure and good heat dissipation.

Background

The LED laser headlamp has wide application in the field of vehicle lamps, can give consideration to basic illumination of the LED and also has a high laser range, and can provide a clearer road surface and increase the reaction time for a driver. The laser module of the existing LED laser headlamp and the LED light source module are arranged on the lamp cap together, and heat generated by the two light source modules working together is difficult to transfer to the radiator at the bottom, so that a red copper heat conduction pipe is needed to convey the heat, a high-rotating-speed fan is needed to cool, and the existing LED laser headlamp is large in laser driving volume and cannot be accommodated in the lamp body, and is not easy to carry.

Therefore, how to realize optimizing the heat dispersion of laser headlight bulb and dwindling the volume of product design is the technical problem that industry is used for awaiting solution.

Disclosure of Invention

In order to achieve the purpose, the utility model adopts the following technical scheme:

an automobile laser headlamp bulb with a compact structure and good heat dissipation performance comprises a lamp cap, a chuck, a body upper cover, an LED chip, an LED circuit board, a reflecting lens, a waterproof ring, a blue laser module, a power line, a rear cover, a fan, a body lower cover, screws and an electric connection base, and is characterized in that the blue laser module consists of the laser upper cap, a convex lens, a PU pipe, a laser glass fiber board and a laser base, wherein the laser glass fiber board is welded with the power line, and the power line is LED out through a wire outlet hole at the bottom of the laser base and then is connected with the electric connection base; the LED circuit board and the fan are also connected with the electric connection seat through a power line; LED chips covered with fluorescent films are welded on the front surface and the back surface of the LED circuit board; the upper body cover and the lower body cover can be selectively provided with hole sites for embedding and fixing the reflective lenses, or the reflective lenses are directly and fixedly arranged in the inner cavity at the bottom of the upper body cover or the lower body cover; the blue laser module, the fan and the LED circuit board with the LED chip are fixedly arranged in an inner cavity formed by the upper body cover and the lower body cover, particularly, the top ends of the upper body cover and the lower body cover are fixedly connected through screws and then are fixedly sleeved by a chuck, the tail end of the upper body cover and the tail end of the lower body cover are packaged and reinforced through a matched rear cover, and the chuck is matched with a waterproof ring for auxiliary installation; the lamp cap is arranged at the top ends of the assembled upper body cover and the assembled lower body cover; (ii) a The upper cover and the lower cover of the body are provided with light-emitting holes and refraction holes at positions corresponding to the LED chips; the blue laser modules arranged in the inner cavities of the upper body cover and the lower body cover can be obliquely, transversely or vertically arranged above the fan for installation and fixation.

Preferably, the top cover and the bottom cover are integrally formed with fins at their ends.

Preferably, the rear cover is made of copper.

Preferably, when the upper body cover or the lower body cover is provided with a hole for installing the reflective lens, the blue laser module can be obliquely fixed to be matched with the reflective lens in angle.

Preferably, the light path of the blue laser module can generate three light paths by being inclined, horizontally arranged or vertically arranged.

Preferably, when the blue laser module is put for the slant, the body upper cover is opened and is equipped with the hole site and assemble reflection of light lens, and the blue light beam that blue laser module jetted out can shine the reflector plate of body upper cover aslope on, then refracts blue light beam to refraction hole department by reflection of light lens again to let blue light beam arrive on the LED chip that has the fluorescent film, realize the transformation of light-emitting colour.

Preferably, when the blue laser module is horizontal, all be provided with the reflection of light lens in the bottom inner chamber of body upper cover and body lower cover, horizontal blue laser module can the level incide to the first piece reflector piece in its the place ahead after emitting blue light beam, then refract perpendicularly to the second piece reflector piece on, refract blue light beam to the LED chip through the refraction hole on by the second piece reflection of light lens at last, let the LED chip that covers and have the fluorescent film realize the conversion of light-emitting colour.

Preferably, work as blue laser module is for erectting when putting, can be equipped with a reflection of light lens in the bottom inner chamber of body upper cover, and the blue laser module of erectting putting can vertical incidence put the reflection of light lens of its top after emitting blue beam, then refracts blue light beam to the LED chip through the refraction hole by reflection of light lens again, lets the LED chip that covers and has the fluorescent film realize the transformation of light-emitting colour.

Preferably, the reflector can be mounted on the inner cavity or the outer wall surface of the upper cover or the lower cover of the body.

The utility model has the beneficial effects that: the utility model provides a novel light path structure design for the laser module of the automobile lamp, and aims to realize that the laser module is arranged in the lamp body to reduce the heat generated by the lamp holder in the working process and optimize the heat dissipation performance; in addition, the light beam is refracted by the reflector sheet, and can be converted into light with other colors by matching with the color of the fluorescent film based on the color of the light beam, for example, a blue light beam is matched with a yellow fluorescent film, so that the light beam can be converted into white light, the normal driving requirement is met, the double-doubling addition of the laser light effect and the LED chip light effect is realized, and the effect is more excellent and remarkable; the utility model not only optimizes the heat dissipation performance, but also obviously reduces the whole volume of the product.

Drawings

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

FIG. 2 is a schematic cross-sectional view and an optical path diagram of the blue laser module according to the present invention;

FIG. 3 is a schematic diagram of a cross-sectional structure and a light path diagram of the blue laser module of the present invention when it is installed vertically;

FIG. 4 is a schematic cross-sectional view and an optical path diagram of the blue laser module of the present invention when the blue laser module is installed in an inclined position.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, but not all embodiments.

Referring to fig. 1 to 4, the embodiment adopts the following technical scheme that an automobile laser headlamp bulb with a compact structure and good heat dissipation performance comprises a lamp cap, a chuck, a body upper cover, an LED chip, an LED circuit board, a reflective lens, a waterproof ring, a blue laser module, a power line, a rear cover, a fan, a body lower cover, a screw and an electric connection seat, and is characterized in that the blue laser module comprises a laser upper cap, a convex lens, a PU tube, a laser glass fiber board and a laser base, wherein the laser glass fiber board is welded with the power line, and the power line is LED out through a wire outlet hole at the bottom of the laser base and then is connected with the electric connection seat; the LED circuit board and the fan are also connected with the electric connection seat through a power line; LED chips covered with fluorescent films are welded on the front surface and the back surface of the LED circuit board; the upper body cover and the lower body cover can be selectively provided with hole sites for embedding and fixing the reflective lenses, or the reflective lenses are directly and fixedly arranged in the inner cavity at the bottom of the upper body cover or the lower body cover; the blue laser module, the fan and the LED circuit board with the LED chip are fixedly arranged in an inner cavity formed by the upper body cover and the lower body cover, particularly, the top ends of the upper body cover and the lower body cover are fixedly connected through screws and then are fixedly sleeved by a chuck, the tail end of the upper body cover and the tail end of the lower body cover are packaged and reinforced through a matched rear cover, and the chuck is matched with a waterproof ring for auxiliary installation; the lamp cap is arranged at the top ends of the assembled upper body cover and the assembled lower body cover; the upper cover and the lower cover of the body are provided with light-emitting holes and refraction holes at positions corresponding to the LED chips; the blue laser modules arranged in the inner cavities of the upper body cover and the lower body cover can be obliquely, transversely or vertically arranged above the fan for installation and fixation.

Wherein, the tail ends of the upper body cover and the lower body cover are integrally formed into fins for heat dissipation.

Wherein, the back lid adopts copper to make.

When the upper body cover or the lower body cover is provided with hole sites for installing the reflective lens, the blue laser module can be obliquely fixed to be matched with the reflective lens in angle.

The blue laser module is characterized in that the light path of the blue laser module can generate three light paths due to the inclined arrangement, the transverse arrangement or the vertical arrangement.

When the blue laser module is obliquely arranged, the hole position is formed in the upper cover of the body to assemble the reflective lens, the blue light beam emitted by the blue laser module can obliquely irradiate the reflective lens of the upper cover of the body, and then the reflective lens refracts the blue light beam to the refraction hole position, so that the blue light beam reaches the LED chip covered with the fluorescent film, and the light emitting color is changed.

Wherein, when blue laser module is horizontal, all be provided with the reflection of light lens in the bottom inner chamber of body upper cover and body lower cover, horizontal blue laser module can the level incidence to the first reflector piece in its the place ahead after emitting blue light, then refract perpendicularly to the second reflector piece on, refract blue light beam to the LED chip through the refraction hole by the second reflector piece at last, let the LED chip that covers and have the fluorescent screen realize the conversion of light-emitting colour.

When the blue laser module is vertically arranged, a reflective lens is arranged in the inner cavity at the bottom of the upper cover of the body, the vertically arranged blue laser module can vertically enter the reflective lens above the blue laser module after emitting blue light beams, and then the reflective lens refracts the blue light beams to the LED chip through the refraction holes, so that the LED chip covered with the fluorescent film realizes the conversion of light emitting colors.

The reflecting mirror is characterized in that the reflecting mirror can be arranged in an inner cavity or an outer wall surface of the upper cover or the lower cover of the body.

The present embodiment takes the above scheme as an example.

It should be noted that the optical path of the blue laser module in the present invention can generate three optical paths by being tilted, horizontally or vertically, and the details can be seen in fig. 2 to 4, which are specifically:

when the blue laser module is obliquely arranged, a hole position is formed in the upper cover of the body to assemble the reflecting lens, the blue light beam emitted by the blue laser module obliquely irradiates the reflecting lens on the upper cover of the body, and then the reflecting lens refracts the blue light beam to the refraction hole position, so that the blue light beam reaches the LED chip covered with the fluorescent film, and the conversion of the emergent light color is realized;

when the blue laser module is transversely arranged, the inner cavities at the bottoms of the upper body cover and the lower body cover are both provided with reflecting lenses, the transversely arranged blue laser module can horizontally enter a first reflecting lens in front of the horizontally arranged blue laser module after emitting blue light beams, then vertically refracts the blue light beams to a second reflecting lens, and finally the second reflecting lens refracts the blue light beams to an LED chip through a refraction hole, so that the LED chip covered with the fluorescent film realizes the conversion of the light emitting color;

when blue laser module is for erectting when putting, can be equipped with a reflection of light lens in the bottom inner chamber of body upper cover, the blue laser module of erectting putting can vertical incidence put the reflection of light lens of its top after emitting blue beam, then refract blue light beam to the LED chip through the refraction hole on by reflection of light lens again, let the LED chip that covers and have the fluorescent film realize the conversion of light-emitting colour.

The utility model provides a novel light path structure design for the laser module of the automobile lamp, and aims to realize that the laser module is arranged in the lamp body to reduce the heat generated by the lamp holder in the working process and optimize the heat dissipation performance; in addition, the light beam is refracted by the reflector sheet, and can be converted into light with other colors by matching with the color of the fluorescent film based on the color of the light beam, for example, a blue light beam is matched with a yellow fluorescent film, so that the light beam can be converted into white light, the normal driving requirement is met, the double-doubling addition of the laser light effect and the LED chip light effect is realized, and the effect is more excellent and remarkable; the utility model not only optimizes the heat dissipation performance, but also obviously reduces the whole volume of the product.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. An automobile laser headlamp bulb with a compact structure and good heat dissipation performance comprises a lamp cap (1), a chuck (2), a body upper cover (3), an LED chip (4), an LED circuit board (5), a reflecting lens (6), a waterproof ring (7), a blue laser module (8), a power line (9), a rear cover (10), a fan (11), a body lower cover (12), a screw (13) and an electric connection seat (14), and is characterized in that the blue laser module (8) consists of a laser upper cap (81), a convex lens (82), a PU (polyurethane) tube (83), a laser glass fiber plate (84) and a laser base (85), wherein the laser glass fiber plate (84) is welded with the power line (9), and the power line (9) is LED out through a wire outlet hole in the bottom of the laser base (85) and then is connected with the electric connection seat (14); the LED circuit board (5) and the fan (11) are connected with the electric connection seat (14) through a power line (9); LED chips (4) covered with fluorescent films are welded on the front surface and the back surface of the LED circuit board (5); the upper body cover (3) and the lower body cover (12) can be selectively provided with hole sites to inlay and fix the reflective lenses (6), and the reflective lenses (6) can be directly and fixedly arranged in the inner cavity at the bottom of the upper body cover (3) or the lower body cover (12); the blue laser module (8), the fan (11) and the LED circuit board (5) with the LED chip (4) are fixedly arranged in an inner cavity formed by the upper body cover (3) and the lower body cover (12), specifically, the top ends of the upper body cover (3) and the lower body cover (12) are connected and fixed through screws (13) and then are fixedly sleeved with the chuck (2), the tail ends of the upper body cover and the lower body cover are packaged and reinforced through the matched rear cover (10), and the chuck (2) is matched with the waterproof ring (7) for auxiliary installation; the lamp cap (1) is arranged at the top ends of the assembled upper body cover (3) and the assembled lower body cover (12); the upper body cover (3) and the lower body cover (12) are provided with light holes and folding holes (30) corresponding to the LED chips (4); the blue laser module (8) arranged in the inner cavities of the upper body cover (3) and the lower body cover (12) can be obliquely, horizontally or vertically arranged above the fan (11) for installation and fixation.

2. The compact-structure and good-heat-dissipation automobile laser headlamp bulb as claimed in claim 1, wherein fins for heat dissipation are integrally formed at the tail ends of the upper body cover (3) and the lower body cover (12).

3. The compact, heat-dissipating automotive laser headlamp bulb as claimed in claim 1, wherein said rear cover (10) is made of copper.

4. The compact-structure and good-heat-dissipation automobile laser headlight bulb as claimed in claim 1, wherein when holes are formed in the upper body cover (3) or the lower body cover (12) for installing the reflective lens (6), the blue laser module (8) can be selectively fixed in an inclined manner to be matched with the reflective lens (6) in angle.

5. A compact, heat-dissipating automotive laser headlamp bulb as claimed in claim 1 or claim 4, wherein the light path of the blue laser module (8) can generate three light paths by being tilted, horizontally or vertically arranged.

6. The compact-structure and good-heat-dissipation automobile laser headlamp bulb as claimed in claim 5, wherein when the blue laser module (8) is tilted, a hole is formed in the upper body cover (3) to assemble the reflective lens (6), the blue light beam emitted by the blue laser module (8) obliquely irradiates the reflective lens (6) of the upper body cover (3), and then the reflective lens (6) refracts the blue light beam to the refraction hole (30), so that the blue light beam reaches the LED chip (4) covered with the fluorescent film, and the light-emitting color is changed.

7. The compact-structure good-heat-dissipation automobile laser headlamp bulb as claimed in claim 5, wherein when the blue laser module (8) is horizontal, the reflective lenses (6) are arranged in the inner cavities of the bottoms of the upper body cover (3) and the lower body cover (12), the horizontal blue laser module (8) can horizontally enter the first reflective lens (6) in front of the horizontal blue laser module after emitting blue light, then vertically refract the blue laser module to the second reflective lens (6), and finally refract the blue light beam to the LED chip (4) through the second reflective lens (6) through the refraction hole (30), so that the LED chip (4) covered with the fluorescent film can realize the conversion of the emergent light color.

8. The compact-structure good-heat-dissipation automobile laser headlamp bulb as claimed in claim 5, wherein when the blue laser module (8) is vertically arranged, a reflective lens (6) is disposed in the bottom inner cavity of the body upper cover (3), the vertically arranged blue laser module (8) vertically enters the reflective lens (6) above the blue laser module after emitting blue light beams, and then the reflective lens (6) refracts the blue light beams to the LED chip (4) through the refraction hole (30), so that the LED chip (4) covered with the fluorescent film realizes the conversion of the light emitting color.

9. The compact, heat-dissipating automotive laser headlamp bulb as claimed in any one of claims 6 to 8, wherein the reflector (6) can be mounted on the inner cavity or the outer wall surface of the upper body cover (3) or the lower body cover (12).