CN216244079U - A kind of car laser headlight bulb with compact structure and good heat dissipation - Google Patents

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

A kind of car laser headlight bulb with compact structure and good heat dissipation

technical field

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

Background technique

LED laser headlights are widely used in the field of car lights. LED laser headlights can take into account the basic lighting of LEDs and also have a high range of lasers, which can provide drivers with a clearer road surface and increase reaction time. In the existing LED laser headlight, the laser module and the LED light source module are set together on the lamp head, and the heat generated by the two light source modules working together is difficult to transfer to the radiator at the bottom. , it is necessary to use a high-speed fan for cooling, and the laser drive volume of the existing LED laser headlight is too large to be accommodated in the lamp body, and it is not easy to carry.

Therefore, how to optimize the heat dissipation performance of the laser headlight bulb and reduce the size of the product design is a technical problem to be solved in the industry.

SUMMARY OF THE INVENTION

In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

An automotive laser headlight bulb with compact structure and good heat dissipation, comprising 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 cord, a back cover, and a fan , the lower cover of the body, the screws and the power socket, characterized in that the blue laser module is composed of 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 Power cord, the power cord is drawn out through the outlet hole at the bottom of the laser base and then connected to the electrical socket; connected to the electrical socket through the power cord are LED circuit boards and fans; The front and back sides are welded with LED chips covered with fluorescent film; the upper cover and lower cover of the main body can choose to open holes to inlay and fix the reflective lens, or directly fix the reflective lens on the upper cover or the main body In the bottom cavity of the lower cover; the blue laser module, the fan and the LED circuit board with the LED chip are all fixedly installed in the cavity formed by the upper cover and the lower cover of the main body, specifically the main body The top of the upper cover and the lower cover of the main body are connected and fixed with screws, and then the chuck is set firmly, and the end is encapsulated and reinforced by the matching back cover, wherein the chuck is equipped with a waterproof ring to assist the installation; the lamp cap is set On the tops of the assembled body upper cover and the body lower cover; wherein the upper body cover and the lower body cover are provided with light exit holes and refraction holes at positions corresponding to the LED chips; installed on the body upper cover and the body lower cover The blue laser module in the inner cavity can be installed obliquely, horizontally or vertically above the fan for installation and fixation.

Preferably, the ends of the upper body cover and the lower body cover are integrally formed with fins for heat dissipation.

Preferably, the back cover is made of copper.

Preferably, when the upper cover of the main body or the lower cover of the main body is provided with holes for installing the reflective lens, the blue laser module can be selected to be fixed obliquely to match the reflective lens in an angle.

Preferably, it is characterized in that the optical path of the blue laser module can generate three optical paths due to oblique placement, horizontal placement or vertical placement.

Preferably, when the blue laser module is inclined, the upper cover of the body is provided with a hole for assembling the reflective lens, and the blue light beam emitted by the blue laser module will obliquely irradiate the reflective lens of the upper cover of the body Then, the blue light beam is refracted to the refraction hole by the reflective lens, so that the blue light beam reaches the LED chip covered with the fluorescent film, and the color of the light is changed.

Preferably, when the blue laser module is placed horizontally, reflective lenses are provided in the bottom cavities of the upper body cover and the lower body cover, and the horizontally placed blue laser module will be horizontal after emitting the blue beam It is incident on the first reflective sheet in front of it, and then refracted vertically to the second reflective sheet. Finally, the second reflective sheet refracts the blue light beam to the LED chip through the refraction hole, so that the fluorescent film covered The LED chip realizes the change of light color.

Preferably, when the blue laser module is placed vertically, a reflective lens will be arranged in the bottom cavity of the upper cover of the body, and the vertically placed blue laser module will be vertically incident on the blue laser module after emitting the blue beam. The reflective lens above, and then the reflective lens refracts the blue light beam to the LED chip through the refraction hole, so that the LED chip covered with the fluorescent film realizes the color change of the light.

Preferably, it is characterized in that the reflective lens can be installed on the inner cavity or the outer wall of the upper cover of the main body or the lower cover of the main body.

The beneficial effects of the utility model are as follows: the utility model provides a new optical path structure design for the laser module of the automobile lamp, aiming at realizing that the laser module is built into the lamp body to reduce the heat generated by the lamp cap during operation, and It can also optimize the heat dissipation performance; in addition, the light beam refracted by the reflective lens can be converted into other colors of light based on the color of the light beam in combination with the color of the fluorescent film. For example, the blue light beam can be converted into white light when combined with the yellow fluorescent film. It meets the normal driving needs, and has the double blessing of the laser light effect and the LED chip light effect, and the effect is more excellent and significant; the utility model not only optimizes the heat dissipation performance, but also significantly reduces the overall volume of the product.

Description of drawings

1 is an exploded view of the utility model;

2 is a schematic cross-sectional structure diagram and an optical path diagram of the blue laser module of the present invention when it is installed horizontally;

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

4 is a schematic cross-sectional structure diagram and an optical path diagram of the blue laser module of the present invention when it is installed obliquely.

Detailed ways

In order to make the technical means, creative features, goals and effects of the present utility model easy to understand, the following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the accompanying drawings in the embodiments of the present utility model. , the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments.

Referring to FIGS. 1 to 4 , the present embodiment adopts the following technical solutions: an automotive laser headlight bulb with a compact structure and good heat dissipation, including a lamp cap, a chuck, a body cover, an LED chip, an LED circuit board, a reflective lens, a waterproof ring, blue laser module, power cord, back cover, fan, lower body cover, screws and sockets, characterized in that the blue laser module consists of a laser upper cap, a convex lens, a PU tube, a laser glass fiber It is composed of a laser base plate and a laser base, wherein the laser glass fiber board is welded with a power cord, and the power cord is drawn out through the outlet hole at the bottom of the laser base and then connected to the power socket; the power cord is connected to the power socket through the power cord There are also LED circuit boards and fans; the front and back sides of the LED circuit boards are welded with LED chips covered with fluorescent films; the upper cover and the lower cover of the body can choose to open holes to inlay and fix the reflective lenses , or directly fix the reflective lens in the bottom cavity of the upper cover of the body or the lower cover of the body; the blue laser module, the fan and the LED circuit board with the LED chip are all fixed on the body In the inner cavity formed by the cover and the lower cover of the main body, the top of the upper cover of the main body and the lower cover of the main body are connected and fixed with screws, and then the chuck is set firmly, and the end is packaged and reinforced by the matching back cover, in which all the The chuck is equipped with a waterproof ring for auxiliary installation; the lamp cap is arranged on the top of the assembled upper body cover and the lower body cover; wherein the upper body cover and the lower body cover are provided with light emitting at the positions corresponding to the LED chips Holes and refraction holes; the blue laser modules installed in the inner cavity of the upper cover and lower cover of the main body can be installed and fixed above the fan at an oblique, horizontal or vertical position.

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

Wherein, the back cover is made of copper.

Wherein, when the upper cover of the main body or the lower cover of the main body is provided with a hole for installing the reflective lens, the blue laser module can be selected to be fixed obliquely to match the reflective lens in an angle.

Wherein, it is characterized in that, the optical path of the blue laser module can be inclined, horizontal or vertical to generate three optical paths.

Wherein, when the blue laser module is inclined, the upper cover of the main body is provided with a hole for assembling the reflective lens, and the blue light beam emitted by the blue laser module will obliquely irradiate on the reflective lens of the upper cover of the main body , and then the blue light beam is refracted to the refraction hole by the reflective lens, so that the blue light beam reaches the LED chip covered with the fluorescent film to realize the change of the light color.

Wherein, when the blue laser module is placed horizontally, the bottom inner cavity of the upper body cover and the lower body cover are provided with reflective lenses, and the horizontally placed blue laser module will be incident horizontally after emitting blue light beams to the first reflective sheet in front of it, and then vertically refracted to the second reflective sheet, and finally the second reflective sheet refracts the blue light beam to the LED chip through the refraction hole, so that the LED covered with the fluorescent film is refracted. The chip realizes the change of the light color.

Wherein, when the blue laser module is upright, a reflective lens will be arranged in the bottom cavity of the upper cover of the main body, and the upright blue laser module will be vertically incident on it after emitting the blue beam. Then, the blue light beam is refracted to the LED chip through the refraction hole by the reflective lens, so that the LED chip covered with the fluorescent film can realize the change of the light color.

Wherein, it is characterized in that the reflective lens can be installed on the inner cavity or the outer wall surface of the upper cover or the lower cover of the main body.

This specific embodiment takes the above solution 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 due to oblique, horizontal or vertical placement. Details can be seen in Figures 2 to 4, which are:

When the blue laser module is placed obliquely, the upper cover of the body is provided with holes for assembling the reflective lens, and the blue light beam emitted by the blue laser module will obliquely irradiate the reflective lens on the upper cover of the body, and then The blue light beam is refracted to the refraction hole by the reflective lens, so that the blue light beam reaches the LED chip covered with the fluorescent film to realize the change of the light color;

When the blue laser module is placed horizontally, reflective lenses are arranged in the bottom cavity of the upper body cover and the lower body cover, and the horizontally placed blue laser module will horizontally incident on the blue laser module after emitting a blue beam. On the first reflective sheet in front, it is then refracted vertically to the second reflective sheet, and finally the second reflective sheet refracts the blue light beam to the LED chip through the refraction hole, so that the LED chip covered with the fluorescent film can realize the The change of light color;

When the blue laser module is placed vertically, a reflective lens is provided in the bottom cavity of the upper cover of the body, and the vertically placed blue laser module emits blue light beams and vertically incidents the reflective lens above it. Then, the blue light beam is refracted to the LED chip through the refraction hole by the reflective lens, so that the LED chip covered with the fluorescent film realizes the color change of the light.

The utility model provides a new optical path structure design for the laser module of the automobile lamp, and aims to realize that the laser module is built into the lamp body to reduce the heat generated by the lamp head during operation, and can also optimize the heat dissipation performance; in addition, The light beam is refracted by the reflective lens, and it can be converted into other colors of light based on the color of the light beam in combination with the color of the fluorescent film. The laser light effect and the LED chip light effect are doubled, and the effect is more excellent and significant; the utility model not only optimizes the heat dissipation performance, but also significantly reduces the overall volume of the product.

The above are only the preferred specific embodiments of the present invention, but the protection scope of the present invention is not limited to this. Equivalent replacement or modification of the new technical solution and its utility model concept shall be included within the protection scope of the present utility model.

Claims (9)

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).

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