CN216644068U

CN216644068U - Car lamp structure for lighting special-shaped folded edge light emitting surface by single PCB

Info

Publication number: CN216644068U
Application number: CN202122606219.4U
Authority: CN
Inventors: 黄寒兵
Original assignee: Hubei Huazhong Magneti Marelli Automotive Lighting Co Ltd
Current assignee: Hubei Huazhong Magneti Marelli Automotive Lighting Co Ltd
Priority date: 2021-10-28
Filing date: 2021-10-28
Publication date: 2022-05-31
Anticipated expiration: 2031-10-28

Abstract

The utility model relates to a car lamp structure for lighting a special-shaped folded edge light-emitting surface by a single PCB. Through welding a set of front-emitting LED light source and a set of side-emitting light source on a PCB board, on the lamp shade that possess two light emitting areas and these two light emitting areas great angle of intersection is hit with light orientation simultaneously, realized the function and the light effect that need two PCB boards to realize originally. The vehicle lamp has the advantages of simple structure, low manufacturing cost, strong market competitiveness and the like.

Description

Car lamp structure for lighting special-shaped folded edge light emitting surface by single PCB

Technical Field

The utility model relates to the technical field of automobile lighting, in particular to a car lamp structure which utilizes a PCB to light the light emitting surfaces of special-shaped folded edges forming a certain angle with each other.

Background

With the improvement of the economic level of consumers and the change of times trend, the functions and the shapes of automobiles are more diversified, and higher requirements are also put forward on the design of the automobile lamps. The original car light has a single light-emitting surface and a smooth shape, and light only needs to irradiate towards one direction. In recent years, the shape of the car lamp on the market is more and more complex and personalized, the light-emitting surface is not limited to a plane but more and more curved surfaces, the number of the light-emitting surfaces is not limited to one but more light-emitting surfaces coexist, and the original car lamp structure cannot adapt to new situation.

For a car lamp with crossed or folded light emitting surfaces, the traditional method is to design two PCBs respectively, so that LED light sources welded on the two PCBs respectively face the two light emitting surfaces to emit light, and therefore a good lighting effect is achieved. Obviously, the design structure is complex, and the problems of high cost, large occupied space and the like exist.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a car lamp structure for lighting a special-shaped folded edge light-emitting surface by using a single PCB (printed circuit board), which comprises the PCB, a PCB bracket and a lamp shade, wherein the PCB and the lamp shade are fixedly connected with the PCB bracket; two luminous surfaces forming an angle with each other are arranged on the lampshade, and a light source a and a light source b are arranged on the PCB; the light source a emits light in a front face (vertical to the PCB), the emitted light is opposite to one light emitting face on the lampshade, the light source b emits light in a side face (parallel to the plane of the PCB), and the emitted light is opposite to the other light emitting face on the lampshade.

Further, the light source a and the light source b are both LED light sources.

Furthermore, the number of the light sources a and the number of the light sources b are 3-6.

Furthermore, the number of the light sources a is smaller than that of the light sources b, the former is preferably 4, and the latter is preferably 5.

Further, the light source a and the light source b are arranged on the same side or different sides of the PCB, preferably the same side.

Furthermore, a positioning structure and a fixing structure are arranged on the PCB support, and the PCB support is assembled with the PCB through the positioning structure and the fixing structure.

Furthermore, the positioning structure comprises a positioning column, a positioning groove and the like, and the fixing structure comprises a screw column, a buckle and the like.

Furthermore, two light emitting surfaces on the lampshade are of an integrally formed structure.

Further, the car lamp structure is specifically a rear position lamp.

The utility model aims at the requirement of the special-shaped modeling of the car lamp with crossed or folded light emitting surfaces provided by customers, abandons the conventional design that two PCBs respectively correspond to different light emitting surfaces, and simultaneously lights all the light emitting surfaces by utilizing one PCB and matching with LED light sources with different angles and light emitting modes. The car lamp structure can meet the optical requirement of the laws and regulations to generate uniform lighting effect, can meet the individualized modeling requirement of a car factory, also reduces the occupation of a PCB (printed circuit board) to the precious space inside the car lamp, and has the advantages of simple structure, low manufacturing cost, strong market competitiveness and the like.

Drawings

FIG. 1 is a schematic diagram of a PCB structure according to the present invention;

FIG. 2 is a schematic diagram of a PCB support structure of the present invention;

FIG. 3 is a partial schematic view of a light emitting surface of a vehicle lamp according to the present invention;

FIG. 4 is a side view of the vehicle lamp of the present invention;

fig. 5 is a view from a-a of fig. 4.

The LED light source comprises a PCB (1), a light source a, a light source b, a 4-positioning structure a, a 5-positioning structure b, a 6-fixing structure, a 7-light-emitting surface a, 8-light-emitting surface b, 9-light-emitting surface a end surface, a 10-light-emitting surface b end surface, an 11-light source b end surface and a 12-light source a end surface.

Detailed Description

In order to make those skilled in the art fully understand the technical solutions and advantages of the present invention, the following description is further provided with reference to the specific embodiments and the accompanying drawings.

A rear position light as shown in fig. 1-5 has a PCB board 1 and a PCB support inside, which are assembled together by a positioning structure (4 and 5, specifically a positioning pin) and a fixing structure 6 (a screw post), and the resulting sub-assembly and the lamp cover are encapsulated to form a complete vehicle light. The two light-emitting surfaces of the lampshade are respectively a light-emitting surface 7 and a light-emitting surface 8, and the two light-emitting surfaces are integrally formed in an injection molding mode and intersect to form a certain angle to form a bevel.

In order to adapt to the modeling design, two PCB boards welded with LED light sources are arranged at the position, right opposite to the light-emitting surface, in the car lamp, and the two groups of LED light sources light the two bevel light-emitting surfaces in a front light-emitting mode, so that corresponding functions are realized.

In order to further reduce the cost and simplify the structure, the inventors tried to reduce the number of PCB boards to 1. Therefore, in the new scheme, two groups of LED light sources in different directions are arranged on the surface of the PCB, wherein one group of LED light sources (light sources a 1) still adopts a front-side light-emitting type, the number of the LED light sources is 4, and the LED light sources all face the end surface 10 of the light-emitting surface b; the other group of LED light sources (light source b 2) adopts a side-emitting type, and the number of the LED light sources is 5, and the LED light sources face the end surface 9 of the light-emitting surface a. After the power is switched on, the light source a and the light source b emit light simultaneously, and the light emitted by the two light sources respectively directly irradiates the light emitting surface b and the light emitting surface a which form a larger angle with each other, so that a uniform lighting effect with different angles is formed.

The novel rear position lamp scheme uses a circuit to control the whole set of light emitting system, two light emitting surfaces which are special-shaped and crossed in a large angle are lightened by virtue of LED light sources in different light emitting directions, the number of the PCB boards is reduced to 1, the product development and manufacturing cost is greatly reduced, and the market competitiveness is improved.

Claims

1. The car light structure of dysmorphism hem light emitting area is lighted to single PCB board, its characterized in that: the car lamp structure comprises a PCB, a PCB bracket and a lamp shade, wherein the PCB and the lamp shade are fixedly connected with the PCB bracket; two crossed light emitting surfaces are arranged on the lampshade, and a light source a and a light source b are arranged on the PCB; the light emitted by the light source a is vertical to the PCB and penetrates through one light-emitting surface of the lampshade to be emitted, and the light emitted by the light source b is parallel to the plane of the PCB and penetrates through the other light-emitting surface of the lampshade to be emitted.

2. The vehicular lamp structure according to claim 1, characterized in that: the light source a and the light source b are both LED light sources.

3. The vehicular lamp structure according to claim 1, wherein: the number of the light sources a and the number of the light sources b are 3-6.

4. The vehicular lamp structure according to claim 3, characterized in that: the number of light sources a is smaller than the number of light sources b.

5. The vehicular lamp structure according to claim 1, characterized in that: the light source a and the light source b are arranged on the same side or different sides of the PCB.

6. The vehicular lamp structure according to claim 1, characterized in that: the PCB support is provided with a positioning structure and a fixing structure, and the PCB support is assembled with the PCB through the positioning structure and the fixing structure.

7. The vehicular lamp structure according to claim 6, characterized in that: the positioning structure comprises a positioning column and a positioning groove, and the fixing structure comprises a screw column and a buckle.

8. The vehicular lamp structure according to claim 1, characterized in that: two light-emitting surfaces on the lampshade are of an integrally formed structure.

9. The vehicular lamp structure according to claim 1, characterized in that: the vehicle lamp structure is specifically a rear position lamp.