CN210373275U

CN210373275U - Signal lamp optical structure

Info

Publication number: CN210373275U
Application number: CN201921342332.2U
Authority: CN
Inventors: 王荣义
Original assignee: CHANGCHUN ZHONGRUI AUTO PARTS CO LTD
Current assignee: CHANGCHUN ZHONGRUI AUTO PARTS CO LTD
Priority date: 2019-08-19
Filing date: 2019-08-19
Publication date: 2020-04-21
Anticipated expiration: 2029-08-19

Abstract

The utility model relates to a signal lamp optical structure, the structure includes circuit board, light source, lens, circuit board, light source, lens are installed from the left hand right side in proper order, and light is launched to the light source and is divided into two parts, and most light is collimated after passing through the lens structure in the dead ahead, and all the other parts take place the collimation after the total reflection through the total reflection surface in the lens, and the light distribution requirement of signal lamp is realized after the launching surface diffusion of two parts collimation light passing through lens, the utility model discloses reduce the thickness of lens, it is convenient to model, and visual effect is pleasing to the eye.

Description

Signal lamp optical structure

Technical Field

The utility model relates to automotive signal lamp technical field, especially a signal lamp optical structure.

Background

The automobile signal lamp is an automobile lamp for providing safety indication for automobiles, the traditional automobile signal lamp mainly comprises a power supply, a light source, a lamp shell, a reflector, a colored lens and the like, wherein the light source is an incandescent lamp or a halogen tungsten lamp, the reflector is used for collecting light emitted towards all directions and emitting the light forwards, false display effect is caused due to the existence of the reflector, the condition mainly occurs in early morning and evening, because the included angle between the sunlight projection direction and the ground is small, the shading edge of the signal lamp can not shade the sunlight incident on the colored lens of the signal lamp, the incident sunlight passes through the colored lens of the signal lamp and is reflected by the reflector and then emitted, thus the signal lamp is not lightened, but the false display effect is caused from the angles of other drivers and pedestrians, traffic accidents are easily caused, and the structure of the traditional automobile signal lamp is complex, the light utilization rate is low, the light spots are too concentrated, the signal marks are not favorably identified by personnel in the direction of a small angle, and the loss of light is increased due to the fact that the thickness of the lens is too thick.

To a great deal of defects of current automobile signal lamp, need an optical structure, can reduce the thickness of lens, improve light utilization ratio, the direction of light-emitting has certain diffusion angle to make identification range wider, improves the security, and the structure is simple and easy, convenient moreover.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a signal lamp optical structure to solve the not enough that exists among the prior art.

In order to achieve the above purpose, the following technical scheme is provided:

the utility model provides a signal lamp optical structure, its characterized in that, the structure includes circuit board, light source, lens are located the right side of circuit board, the light source is located between circuit board and the lens, and with circuit board fixed connection, lens are round platform type structure, and the center of its one side is equipped with the round platform shape of certain degree of depth and caves in.

Preferably, the lens is formed by sequentially connecting a fresnel lens structure, an incident surface, a total reflection surface and an emission surface, the incident surface is a truncated cone-shaped concave inner side surface, the fresnel lens structure is located on the inner bottom surface of the truncated cone-shaped concave, the emission surface is located on the right side of the fresnel lens structure, and the total reflection surface is a lens outer side surface formed by connecting the incident surface and the emission surface.

Preferably, the total reflection surface is a circular arc curved surface.

Preferably, the emitting surface is composed of a number of curved circular arc surfaces.

Preferably, the light source is located on a central axis of the truncated-cone-shaped recess.

The utility model has the advantages that:

1. the utility model discloses a directly adopt a lens structure, reduced the structure of the speculum of traditional signal lamp, avoided appearing false display effect, reduced the power of traffic accident.

2. The utility model discloses a special construction of transmitting surface for the direction of light-emitting has certain diffusion angle, and the scope of identification of signal lamp is wider, improves the security.

3. The utility model discloses a lens simple structure, compactness, the molding is convenient, and thickness reduces, and the loss of light reduces, and light utilization ratio is higher.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural diagram of a lens according to the present invention;

FIG. 3 is a schematic structural diagram of a lens according to the present invention;

the reference symbols shown in the figures are: 1-circuit board, 2-light source, 3-lens, 301-incidence plane, 302-Fresnel lens structure, 303-emission plane, 304-total reflection plane.

Detailed Description

The following describes the present design in detail with reference to the accompanying drawings.

As shown in fig. 1 to 3, an optical structure of a signal lamp includes a circuit board 1, a light source 2, and a lens 3, wherein the lens 3 is located on the right side of the circuit board 1, the light source 2 is located between the circuit board 1 and the lens 3 and is fixedly connected to the circuit board 1, the lens 3 is a truncated cone structure, and a truncated cone-shaped recess with a certain depth is formed in the center of one side of the lens.

The lens 3 is formed by sequentially connecting a Fresnel lens structure 302, an incident surface 301, a total reflection surface 304 and an emission surface 303, wherein the incident surface 301 is a truncated cone-shaped concave inner side surface, the Fresnel lens structure 302 is positioned on the inner bottom surface of the truncated cone-shaped concave, the emission surface 303 is positioned on the right side of the Fresnel lens structure 302, and the total reflection surface 304 is a lens outer side surface formed by connecting the incident surface 301 and the emission surface 303.

The total reflection surface 304 is an arc curved surface.

Wherein the emitting surface 303 is composed of a certain number of arc curved surfaces.

Wherein the light source 2 is located on the central axis of the truncated cone shaped recess.

Wherein, the circuit board 1 can be made into a soft board according to the modeling requirement.

The lens 3 can be made into a colored lens according to the actual use requirement.

Examples

As shown in fig. 1, the light source 2 is fixedly connected to the circuit board 1, the lens 3 is disposed on the right side of the circuit board, the central axis of the lens 3 is aligned with the light source 2, and the light source 2 is turned on, and the light is emitted forward in a divergent state, wherein a part of the light passes through the fresnel lens structure 302, is collimated after being refracted, and is emitted to the emitting surface 303, and the rest of the light passes through the incident surface 301, is emitted to the total reflection surface 304, is collimated after being reflected, and is emitted to the emitting surface 303, and at this time, the light emitted to the emitting surface 303 is horizontal light, and is refracted by a plurality of arc curved surfaces of the emitting surface 303 to form light which is outwardly divergent, so.

Claims

1. The utility model provides a signal lamp optical structure, its characterized in that, the structure includes circuit board, light source, lens are located the right side of circuit board, the light source is located between circuit board and the lens, and with circuit board fixed connection, lens are round platform type structure, and the center of its one side is equipped with the round platform shape of certain degree of depth and caves in.

2. The optical structure of a signal lamp as claimed in claim 1, wherein the lens is formed by sequentially connecting a fresnel lens structure, an incident surface, a total reflection surface and an emission surface, the incident surface is an inner side surface of the truncated cone-shaped recess, the fresnel lens structure is located on an inner bottom surface of the truncated cone-shaped recess, the emission surface is located on the right side of the fresnel lens structure, and the total reflection surface is an outer side surface of the lens formed by connecting the incident surface and the emission surface.

3. A signal lamp optical structure as defined in claim 2, wherein said total reflection surface is a curved surface of a circular arc.

4. A signal light optical structure according to claim 2, wherein said emitting surface is comprised of a plurality of curved circular arcs.

5. A signal light optic construction according to claim 1 wherein the light source is located on the central axis of the frustoconical recess.