CN218001365U

CN218001365U - Automobile tail lamp structure and automobile

Info

Publication number: CN218001365U
Application number: CN202222290199.9U
Authority: CN
Inventors: 肖俊; 罗玉庭; 王超
Original assignee: Chongqing Changan Automobile Co Ltd
Current assignee: Chongqing Changan Automobile Co Ltd
Priority date: 2022-08-30
Filing date: 2022-08-30
Publication date: 2022-12-09
Anticipated expiration: 2032-08-30

Abstract

The utility model discloses an automobile tail lamp structure and an automobile, which comprises an outer lens, an inner lens, a PCBA assembly, a mounting bracket and a lamp body, wherein the PCBA assembly is fixed on the lamp body through the mounting bracket, the inner lens is mounted on the lamp body, and the outer lens is welded with the lamp body; the PCBA assembly comprises a PCB board, a plurality of direct LEDs and a plurality of side-emitting LEDs, wherein the direct LEDs and the side-emitting LEDs are arranged on the PCB board, and the side-emitting LEDs are positioned at the rear sides of the direct LEDs; the inner lens can be fully covered by the light rays emitted by the direct LED and the light rays emitted by the side-emitting LED. The utility model discloses can realize the even luminescence of automobile tail lamp curved surface, and practice thrift and arrange the space, reduce manufacturing cost.

Description

Automobile tail lamp structure and automobile

Technical Field

The utility model belongs to the technical field of the automobile tail lamp, concretely relates to automobile tail lamp structure and car.

Background

The automobile lamp is more and more complex in shape, especially the LED light source is widely applied, more and more light-emitting areas are in special shapes, and light-emitting areas are not plane any more. The luminous curved surface effect is well favored by car light model designers, but the engineering often receives the restriction of space and is difficult to realize the model effect. The luminous curved surface is generally decomposed into a plurality of planes which are spliced to form a curved surface, or the curved surface is arranged by adopting a soft board to realize the light emission of the curved surface.

Referring to fig. 1, the conventional tail lamp structure includes an outer lens 1, an inner lens 2, a PCBA fixed bracket 3, a tail lamp harness 4, a first PCBA board 5, a second PCBA board 6, and a lamp body 7. Two PCBA boards need to be arranged behind the inner lens 2, a first direct-emitting LED51 is arranged on the first PCBA board 5, a light source of the first direct-emitting LED51 emits light towards the tail part of the vehicle, a second direct-emitting LED61 is arranged on the second PCBA board 6, the second direct-emitting LED61 emits light towards the vehicle side direction, and the first PCBA board 5 and the second PCBA board 6 are connected in parallel through a tail lamp wire harness 4. After the tail lamp is electrified, the first curved surface 21 and the second curved surface 22 can uniformly emit light by the scheme, but the raw material cost, the manufacturing cost and the management cost are correspondingly increased along with the increase of the number of PCBA boards.

Therefore, it is necessary to develop a new structure of a rear lamp for an automobile and an automobile.

Disclosure of Invention

An object of the utility model is to provide an automobile tail lamp structure and car enables the tail lamp curved surface and evenly lights, and the cost is lower.

In a first aspect, the utility model discloses an automobile tail lamp structure, including outer lens, interior lens, PCBA assembly, installing support and lamp body, PCBA assembly fixes on the lamp body through the installing support, and the interior lens is installed on the lamp body, and outer lens and lamp body are welded;

the PCBA assembly comprises a PCB board, a plurality of direct LEDs and a plurality of side-emitting LEDs, wherein the direct LEDs and the side-emitting LEDs are arranged on the PCB board, and the side-emitting LEDs are positioned at the rear sides of the direct LEDs;

the inner lens is covered by the light rays emitted by the direct LED and the light rays emitted by the side light-emitting LED.

Optionally, the spreading angle of the direct LED light is 120 °; the diffusion angle of the side-emitting LED light is 120 degrees.

Optionally, the distance between the direct LED and the inner lens is any value between 12mm and 18 mm;

the distance between the side light-emitting LED and the inner lens is any value of 12mm-18 mm.

Optionally, the inner lens is made of translucent emulsified PC material or translucent emulsified PMMA material.

Optionally, four direct-emitting LEDs are arranged on the PCB, and the four direct-emitting LEDs are uniformly distributed in an L shape.

Optionally, six side-emitting LEDs are arranged on the PCB and are linearly and uniformly distributed.

In a second aspect, a car, adopt like the utility model car tail lamp structure.

The utility model has the advantages of it is following: because the light emitting surfaces of the direct LED and the side light-emitting LED are different, the direct LED and the side light-emitting LED are arranged on the same PCB, and when the LED is lightened, light rays emitted by the direct LED and light rays emitted by the side light-emitting LED can fully cover the inner lens, so that the curved surface of the automobile tail lamp can uniformly emit light. Only one PCB is needed, so that the arrangement space is saved, the wiring inside the lamp is facilitated, meanwhile, the manufacturing cost is also reduced, and the practicability is high.

Drawings

FIG. 1 is a schematic structural diagram of a conventional automobile tail light;

in the figure: 1. the lamp body comprises an outer lens 2, an inner lens 21, a first curved surface 22, a second curved surface 3, a PCBA fixed support 4, a tail lamp wiring harness 5, a first PCBA board 51, a first direct-emitting LED6, a second PCBA board 62, a second direct-emitting LED 7 and a lamp body.

Fig. 2 is a schematic structural diagram of the automobile tail light in the embodiment;

FIG. 3 is a schematic structural diagram of the PCBA assembly in the present embodiment;

in the figure: 8. the LED lamp comprises an outer lens 9, an inner lens 91, a first light emitting face 92, a second light emitting face 10, a PCBA assembly 101, side light emitting LEDs 102, a direct light emitting LED 11, a mounting support 12 and a lamp body.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings.

As shown in fig. 2 and 3, in the present embodiment, an automobile tail lamp structure includes an outer lens 8, an inner lens 9, a PCBA assembly 10, a mounting bracket 11, and a lamp body 12. The PCBA assembly 10 is fixed on a lamp body 12 through a mounting support 11, the inner lens 9 is mounted on the lamp body 12, and the outer lens 8 and the lamp body 12 are welded through a hot plate welding process.

In this embodiment, the PCBA assembly 10 includes a PCB board 103, and a plurality of direct LEDs 102 and a plurality of side-emitting LEDs 101 disposed on the PCB board 103. And the side-emitting LEDs 101 are located behind the direct LEDs 102. The inner lens 9 is fully covered by the light emitted from the direct LED102 and the light emitted from the side-emitting LED101.

In this embodiment, the diffusion angle of the direct LED102 may reach 120 °, and the diffusion angle of the side-emitting LED101 may also reach 120 °.

In this embodiment, the inner lens 9 is made of translucent emulsified PC material or translucent emulsified PMMA material.

In this embodiment, the distance between the direct LED102 and the inner lens 9 is any value from 12mm to 18mm, such as: about 15 mm. The distance between the side-emitting LED01 and the inner lens 9 is any value between 12mm and 18mm, such as: about 15 mm.

As shown in FIG. 2, in this embodiment, when the PCBA assembly 10 is powered on, the direct LED102 and the side-emitting LED101 emit light, the light area can completely cover the area of the inner lens 9, and the uniform light transmission can be achieved in both the first light-emitting surface 91 and the second light-emitting surface 92 of the inner lens 9.

In this embodiment, because the light emitting surfaces of the direct LED102 and the side light emitting LED101 are different, the direct LED102 and the side light emitting LED101 are reasonably arranged on the same PCB 103, and when the LED is turned on, the light emitted from the direct LED102 and the light emitted from the side light emitting LED101 can fully cover the inner lens 9, so as to achieve uniform light emission of the curved surface of the automobile tail lamp. As only one PCB 103 is needed as a carrier, the arrangement space is saved, the wiring inside the lamp is facilitated, meanwhile, the manufacturing cost is also reduced, and the practicability is high.

In this embodiment, as shown in fig. 3, the direct LED102 is attached to the PCB 103 by an automatic mounting device, and the side-emitting LED101 is also attached to the PCB 103 by an automatic mounting device. The PCBA assembly 10 is fixed on the mounting bracket 11 through mounting screws or a clamping mode.

In this embodiment, an automobile adopts the automobile tail lamp structure as described in this embodiment.

The above embodiments are preferred embodiments of the method of the present invention, but the method of the present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications that do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.

Claims

1. A tail lamp structure of an automobile comprises an outer lens (8), an inner lens (9), a PCBA assembly (10), a mounting bracket (11) and a lamp body (12), wherein the PCBA assembly (10) is fixed on the lamp body (12) through the mounting bracket (11), the inner lens (9) is mounted on the lamp body (12), and the outer lens (8) is welded with the lamp body (12); the method is characterized in that:

the PCBA assembly (10) comprises a PCB (103), and a plurality of direct LEDs (102) and a plurality of side-emitting LEDs (101) which are arranged on the PCB (103), wherein the side-emitting LEDs (101) are positioned at the rear side of the direct LEDs (102);

the inner lens (9) can be completely covered by the light rays emitted by the direct LED (102) and the light rays emitted by the side-emitting LED (101).

2. The automobile tail light structure according to claim 1, characterized in that: the spreading angle of the direct LED (102) light is 120 °; the diffusion angle of the light of the side-emitting LED (101) is 120 degrees.

3. The automobile rear light structure according to claim 1 or 2, characterized in that: the distance between the direct LED (102) and the inner lens (9) is any value between 12mm and 18 mm;

the distance between the side-emitting LED (101) and the inner lens (9) is any value between 12mm and 18 mm.

4. The automobile tail light structure according to claim 3, characterized in that: the inner lens (9) is made of semitransparent emulsified PC materials or semitransparent emulsified PMMA materials.

5. The automobile tail light structure according to claim 1, 2 or 4, characterized in that: four direct LEDs (102) are arranged on the PCB (103), and the four direct LEDs (102) are uniformly distributed in an L shape.

6. The automobile tail light structure according to claim 5, characterized in that: the LED light source is characterized in that six side light-emitting LEDs (101) are arranged on the PCB (103), and the six side light-emitting LEDs (101) are uniformly distributed in a straight line.

7. An automobile, characterized in that: the rear light structure for the automobile according to any one of claims 1 to 6 is adopted.