CN210771912U

CN210771912U - Optical component capable of realizing lighting effect of annular light band

Info

Publication number: CN210771912U
Application number: CN201921901567.0U
Authority: CN
Inventors: 魏茂炜; 邱敏辉
Original assignee: HASCO Vision Technology Co Ltd
Current assignee: HASCO Vision Technology Co Ltd
Priority date: 2019-11-06
Filing date: 2019-11-06
Publication date: 2020-06-16
Anticipated expiration: 2029-11-06

Abstract

The utility model provides a can realize optical member of effect of lighting a lamp of annular light band, optical member is including an annular lamp body, annular lamp body front end is gone out the plain noodles by constituting annular upper and lower two sections spotlight ware and is constituteed, set up a plurality of groups reflector at annular lamp body rear end, every group reflector comprises the last reflector corresponding with last spotlight ware play plain noodles and the lower reflector corresponding with lower spotlight ware play plain noodles respectively, every reflector all is provided with two at least total reflection surfaces, be provided with a plurality of and every group reflector corresponding LED granule between upper and lower two sections spotlight ware play plain noodles, the direction of illumination of LED granule is towards the reflector, and all be provided with a spotlight ware between each LED granule and every group reflector, the spotlight ware is the optical coupling face that fresnel surface and total reflection surface constitute towards one side of LED granule. The device uses an LED with half area of the circular light band of the original device to illuminate the area of the circular light band; patterns can be added on the total reflection surface to realize a better lighting effect.

Description

Optical component capable of realizing lighting effect of annular light band

Technical Field

The utility model relates to an automobile lamp, concretely relates to can realize the optical member of effect of lighting a lamp of annular light band.

Background

With the development of the modern automobile industry, the requirements of consumers on the appearance shape and the safety performance of automobiles are more and more strict, and the automobile lamp is particularly important as the eye and the lighting system of the automobile shape. In the design process of the automobile lamp, the design and the cost are greatly limited, so that high requirements are provided for the selection of an optical system, the design requirements of the design can be met, and good lighting uniformity can be realized on the premise of controlling the cost.

The shape of the annular light band is common in the shape of automobile lamps, and most of the traditional optical systems are in the form of light guides or traditional direct-injection condensers. The optical system in the light guide form realizes the lighting effect of the annular light band, the arrangement of the light source is a problem which is difficult to solve, and in order to realize uniform and good lighting, the modeling needs to be sacrificed, and the annular light source is placed in a disconnected mode; if the circular shape is maintained, the light guides need to be incident after crossing, and lighting defects exist. Traditional direct injection formula spotlight ware realizes that annular light area lights the effect, need all arrange the light source with the positive rear of light emitting area, directly penetrate and light whole annular light area, the drawback: the number of LEDs is large, and the cost is high.

The direct-injection condenser optical system has great practicability, can realize a belt shape with the luminous width of 5mm-20mm, and the approximate optical principle is shown in figure 1: 1-5 are annular lamp bodies, LED particles 1-1 are positioned on a circuit board 1-4, light rays 1-6 emitted by the LED particles 1-1 pass through a condenser 1-2 to form collimated parallel light, and the parallel light reaches a light-emitting surface 1-3 of the condenser and then irradiates in the atmosphere.

The direct-injection condenser optical system has the following advantages: 1) the light band effect of the circular shape can be uniformly realized; 2) can be lighted in time sequence and has novel appearance. However, the direct-type condenser optical system has the following disadvantages: 1) LEDs need to be uniformly arranged behind the light-emitting surface, the number of the required LEDs is large, and the cost is high; 2) the modeling is inclined, the bright points pointed by the LEDs can be seen from the outer side angle, and the lighting defects are obvious.

As mentioned above, when the conventional direct-emitting condenser system used at present realizes the lighting effect of the annular light band, the LEDs need to be uniformly arranged behind the light-emitting surface, and the number of the used LEDs is large, which results in high cost.

SUMMERY OF THE UTILITY MODEL

The utility model provides a brand-new twice total reflection optical system can realize the effect of lighting of annular light area, provides more excellent design for the designer, and concrete scheme is as follows:

an optical component capable of realizing the lighting effect of an annular light band comprises an annular lamp body, the front end of the annular lamp body consists of an upper section of light outlet surface and a lower section of light outlet surface of a condenser which form an annular shape, the rear end of the annular lamp body is provided with a plurality of groups of reflectors, each group of reflectors respectively consists of an upper reflector corresponding to the light-emitting surface of the upper condenser and a lower reflector corresponding to the light-emitting surface of the lower condenser, each reflector is provided with at least two total reflection surfaces, a plurality of LED particles corresponding to each group of reflectors are arranged between the light-emitting surfaces of the upper section of the condenser and the lower section of the condenser, the irradiation direction of the LED particles faces to the reflectors, and a condenser is arranged between each LED particle and each group of reflectors, and one side of the condenser facing the LED particles is an optical coupling surface consisting of a Fresnel surface and a total reflection surface.

Furthermore, the upper reflector and the lower reflector are both provided with two total reflection surfaces which form an included angle with each other, wherein the first total reflection surface is used for receiving the LED incident light passing through the optical coupling surface and reflecting the LED incident light to the second total reflection surface, and the second total reflection surface reflects the LED incident light to the light outlet surface of the condenser at the front end of the annular lamp body.

Furthermore, each total reflection surface and the light-emitting direction form an included angle of 45 degrees or an included angle of 2-5 degrees.

Furthermore, patterns are carved on the first total reflection surface and/or the second total reflection surface.

Furthermore, fish eye patterns or skin patterns are engraved on the light-emitting surface of the condenser.

Further, each of the LED particles is mounted on the same LED circuit board, or each of the LED particles is mounted on a plurality of relatively independent LED circuit boards.

Further, the annular lamp body is an oblong annular lamp body.

Compared with the prior device, the device has the following advantages:

(1) the light emitted by the LED particles is divided into two parts after passing through the condenser and is respectively output to the light emitting surfaces of the two condensers at the front end of the annular lamp body, and the area of a circular light band can be illuminated by an LED with half the area of the circular light band of the original device;

(2) patterns can be added on the total reflection surface of each group of reflectors, so that the lighting effect is optimized, and a better lighting effect is realized;

(3) time-series lighting can be realized.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

FIG. 1 is a schematic diagram of a current direct-fired condenser optical system;

fig. 2 is a schematic diagram of a brand-new twice total reflection optical system provided by the present invention;

fig. 3 is a transverse cross-sectional view of the present invention;

fig. 4 is a front view of an optical component according to the present invention in an embodiment.

Detailed Description

In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the present invention.

In order to thoroughly understand the present invention, detailed steps and detailed structures will be provided in the following description so as to explain the technical solution of the present invention. The preferred embodiments of the present invention are described in detail below, however, other embodiments of the present invention are possible in addition to these detailed descriptions.

As shown in FIG. 2, the present invention provides an optical component capable of realizing lighting effect of annular light band, the optical component comprises an annular lamp body 2-5, the front end of the annular lamp body 2-5 is composed of an upper and a lower condenser light-emitting surface 2-3 (as shown in FIG. 4) forming an annular shape, a plurality of groups of reflectors are arranged at the rear end of the annular lamp body 2-5, each group of reflectors is composed of an upper reflector 2-9 corresponding to the upper condenser light-emitting surface and a lower reflector 2-10 corresponding to the lower condenser light-emitting surface, each reflector is provided with at least two total reflection surfaces, a plurality of LED particles 2-1 corresponding to each group of reflectors are arranged between the upper and lower condenser light-emitting surfaces 2-3, the irradiation direction of the LED particles 2-1 faces the reflectors, and a condenser 2-11 is arranged between each LED particle 2-1 and each group of reflectors, one side of the condenser 2-11 facing the LED particles 2-1 is an optical coupling surface 2-2 consisting of a Fresnel surface and a total reflection surface.

In an alternative embodiment, the upper reflector 2-9 and the lower reflector 2-10 are both provided with two total reflection surfaces forming an included angle with each other, wherein the first total reflection surface 2-6 is used for receiving the LED incident light passing through the optical coupling surface 2-2 and reflecting the LED incident light to the second total reflection surface 2-7, and the second total reflection surface 2-7 reflects the light 2-8 to the condenser light-emitting surface 2-3 at the front end of the annular lamp body 2-5. Preferably, each total reflection surface forms an included angle of 45 degrees or an included angle of 2-5 degrees with the light outgoing direction.

In an alternative embodiment, the first total reflecting surface 2-6 and/or the second total reflecting surface 2-7 are engraved with an optical pattern (e.g. a leather pattern).

In an optional embodiment, a fish eye pattern or a skin pattern is engraved on the light emitting surface 2-3 of the condenser to optimize the lighting effect.

In an alternative embodiment, each LED particle 2-1 is mounted on the same LED circuit board 2-4, or each LED particle 2-1 is mounted on a plurality of relatively independent LED circuit boards 2-4.

In an alternative embodiment, the ring-shaped lamp body 2-5 is an oblong ring-shaped lamp body, as shown in fig. 4.

The utility model discloses the principle of combination total reflection optical system does: the light emitted by the LED particles 2-1 forms collimated parallel light through an optical coupling surface 2-2 of the condenser 2-11, the parallel light is firstly transmitted to a first total reflection surface 2-6 of each group of reflectors, the light is totally reflected on the first total reflection surface 2-6 and reflected to a second total reflection surface 2-7, the light is totally reflected again on the second total reflection surface 2-7 and reflected to a light emitting surface 2-3 of the condenser, fisheye patterns or dermatoglyphs are added on the surface of the light emitting surface 2-3 of the condenser, and the target light pattern is formed by pattern diffusion on the surface of the light emitting surface.

The above description is directed to the preferred embodiment of the present invention. It is to be understood that the invention is not limited to the particular embodiments described above, and that devices and structures not described in detail are understood to be implemented in a manner common in the art; without departing from the scope of the invention, it is intended that the present invention shall not be limited to the above-described embodiments, but that the present invention shall include all the modifications and variations of the embodiments. Therefore, any simple modification, equivalent change and modification made to the above embodiments by the technical entity of the present invention all still fall within the protection scope of the technical solution of the present invention, where the technical entity does not depart from the content of the technical solution of the present invention.

Claims

1. An optical component capable of realizing lighting effect of an annular light band is characterized by comprising an annular lamp body (2-5), wherein the front end of the annular lamp body (2-5) consists of upper and lower condenser light-emitting surfaces (2-3) forming an annular shape, a plurality of groups of reflectors are arranged at the rear end of the annular lamp body (2-5), each group of reflectors respectively consists of an upper reflector (2-9) corresponding to the upper condenser light-emitting surface and a lower reflector (2-10) corresponding to the lower condenser light-emitting surface, each reflector is provided with at least two total reflection surfaces, a plurality of LED particles (2-1) corresponding to each group of reflectors are arranged between the upper and lower condenser light-emitting surfaces (2-3), and the irradiation direction of the LED particles (2-1) faces to the reflectors, and a condenser (2-11) is arranged between each LED particle (2-1) and each group of reflectors, and one side of the condenser (2-11) facing the LED particles (2-1) is an optical coupling surface (2-2) consisting of a Fresnel surface and a total reflection surface.

2. The optical component capable of realizing lighting effect of annular light band as claimed in claim 1, wherein the upper reflector (2-9) and the lower reflector (2-10) are provided with two total reflection surfaces forming an angle with each other, wherein the first total reflection surface (2-6) is used for receiving the LED incident light passing through the optical coupling surface (2-2) and reflecting the LED incident light to the second total reflection surface (2-7), and the second total reflection surface (2-7) reflects the LED light (2-8) to the condenser light-emitting surface (2-3) at the front end of the annular lamp body (2-5).

3. The optical component capable of realizing annular light band lighting effect as claimed in claim 2, wherein each of the total reflection surfaces forms an angle of 45 ° or an angle of 2-5 ° with the light emitting direction.

4. Optical component capable of realizing annular light band lighting effect according to claim 2, characterized in that the first total reflection surface (2-6) and/or the second total reflection surface (2-7) are engraved with optical patterns.

5. The optical component capable of realizing annular light band lighting effect as claimed in claim 1 or 4, characterized in that the light-emitting surface (2-3) of the condenser is engraved with fish eye pattern or dermatoglyph.

6. The optical member for realizing annular band lighting effect according to claim 1, wherein each of said LED particles (2-1) is mounted on the same LED circuit board (2-4), or each of said LED particles (2-1) is mounted on a plurality of relatively independent LED circuit boards (2-4).

7. The optical member for realizing the lighting effect of the annular optical band as claimed in claim 1, wherein the annular lamp bodies (2-5) are oblong annular lamp bodies.