阅读说明：本技术 一种汽车信号灯光导装置 (automobile signal lamp light guide device ) 是由 刘昊 于 2019-10-18 设计创作，主要内容包括：本发明提供了一种汽车信号灯光导装置,包括光源,光导,和光导固定卡扣,所述光导固定卡扣,用于光导的固定,在沿着光线前进的方向上,此光导固定卡扣造型平缓,尤其在起始和末尾为平缓的缓冲过渡的造型,对光线来说,可等效是顺着光线传播方向的使其发生全反射,并且不会产生突变的破坏全反射的折射光线。所述光导固定卡扣外表面可加皮纹。单根光导上可有多个所述固定卡扣,多个固定卡扣尺寸设计和位置排布满足能使光导结构装配稳定,同时光导整体均匀点亮。光导固定卡扣的结构使光导既能满足结构上的装配稳定,又解决了通常出现的卡扣亮斑问题,实现光导的整体均匀点亮,同时不会降低光导效率。(The invention provides automobile signal lamp light guide devices, including light source, light guide, and light guide fixing buckle, the light guide fixing buckle used for fixing the light guide, in the direction of light advancing, the light guide fixing buckle has gentle modeling, especially has gentle buffer transition modeling at the beginning and the end, for the light, it can be equivalent to make it take place the total reflection along the light propagation direction, and will not produce the refraction light of the abrupt change destroying the total reflection.)

The light guide device for the automobile signal lamp comprises an LED light source (1), a light guide (2) and a light guide fixing buckle (3), and is characterized in that the LED light source (1) is arranged at the end of the light guide (2), the light guide fixing buckle (3) is arranged on the light guide (2), the LED light source (1) provides light energy for an optical system, the light guide (2) transmits the light energy along a light transmission direction (4), the light guide (2) comprises an optical tooth (5) located behind the light guide and used for reflecting part of light to the vehicle traveling direction to meet the requirements of light distribution and lighting effects, the light guide fixing buckle (3) is a fixing structure located in the middle area of the light guide (2) and used for structural assembly stability, and the light guide fixing buckle (3) is in a shape of gentle buffer transition at the beginning and the end.

2. The type automobile signal lamp light guide device of claim 1, wherein the light guide fixing clip (3) has a dimension length greater than 30mm, the light guide fixing clip (3) has a dimension length smaller than the overall length of the light guide (2), and the light guide fixing clip (3) has a dimension height of 1-3 mm.

3. The kinds of car signal lamp light guide unit of claim 1, wherein the light guide fixing clip (3) has leather veins.

4. The kinds of automobile signal light guide units of claim 1, wherein the number of the light guide fixing clips (3) provided on the light guide (2) is at least , and when more than two light guide fixing clips (3) are provided, the dimension length of each light guide fixing clip (3) is more than 30mm, and the dimension length of the light guide fixing clip (3) is less than the entire length of the light guide (2), and the dimension height of the light guide fixing clip (3) is 1-3 mm.

5. The kinds of car signal lamp light-guiding devices of claim 1, wherein the material used for the light-guide (2) is polymethyl methacrylate or polycarbonate.

Technical Field

The invention relates to the field of automobile illumination, in particular to an automobile signal lamp light guide device.

Background

With the continuous development of automobile lamp technology, the appearance of the lamp is changing day by day, and more consumers and whole automobile customers have higher requirements on the automobile lamp, especially the requirement on the lighting effect of the lamp is more and more severe, and the lighting integral uniformity is more attractive and more -fold.

In view of the above problems, light guide devices for automotive signal lamps are designed herein, wherein the fixing buckles are gently shaped and have skin lines on the surface, so that the lighting effect of the light guide is uniform and , and the light guide devices are more beautiful and have high optical efficiency.

Disclosure of Invention

Aiming at the defects of the prior art, the invention aims to provide automobile signal lamp light guide devices, wherein the middle fixing structure is gentle in shape and has leather grains on the surface, and the fixing structure enables the light guide to meet the structural stability of assembly without reducing the light guide efficiency and realize the overall uniform lighting effect of the light guide.

The invention provides automobile signal lamp light guide devices, which comprise an LED light source, a light guide and a light guide fixing buckle, wherein the LED light source is arranged at the end of the light guide, the light guide fixing buckle is arranged on the light guide, the LED light source provides light energy for an optical system, the light guide can transmit the light energy along the light transmission direction, the light guide comprises an optical tooth positioned at the rear part of the light guide and used for reflecting part of light to the vehicle traveling direction, so as to meet the requirements of light distribution and lighting effect, the position of the light guide fixing buckle is designed and arranged according to the stable structure assembly of the light guide, the light guide fixing buckle is in a shape of gentle buffer transition at the beginning and the end, the shape design of the light guide fixing buckle in the gentle buffer transition can be equivalent to the total reflection of the light along the light transmission direction, a plane for refracting the light is not generated, the total reflection transmission of the light in the light guide is not influenced, and the light refracted by the abrupt buckle structure is not generated, so that the bright spots.

, the improvement is that the size length of the light guide fixing buckle is a, 30mm < a < b, the b is the whole length of the light guide, the size height of the light guide fixing buckle is c, and the value range of c is 1-3 mm.

is further improved in that the light guide fixing clip is shaped with gentle buffer transitions at the beginning and end.

the improvement is that the fixing buckle is added with dermatoglyph.

, the improvement is that a single light guide can include a plurality of light guide fixing buckles, especially suitable for a light guide with a longer length, in order to achieve stable assembly, the sizes of the light guide fixing buckles on the light guide can be the same or different, and the sizes of the light guide fixing buckles all need to meet the size requirements, namely 30mm < a < b, wherein b is the whole length of the light guide, the size height of the light guide fixing buckle is c, and the value range of c is 1-3mm, so that the light guide can achieve the effect of uniform lighting.

is improved in that a plurality of light guide fixing clips are designed and arranged at positions enabling the light guide to be structurally assembled to a stable state.

is improved in that the light guide is made of polymethyl methacrylate or polycarbonate.

is improved in that the light guide can be round or square in profile and can be a flat sheet.

The light path and the optical principle of the invention are that light is radiated from an LED light source, the light can be transmitted from front to back along a light guide according to the transmission direction due to the total reflection action, and meets optical teeth in the transmission process, so that part of the light is reflected to the vehicle traveling direction, and the requirements of light distribution and lighting effect are met, if a light guide common fixing buckle is installed in the transmission process, the light transmission balance can be broken due to the integral abrupt change modeling structure, the total reflection effect is damaged, the light is refracted out from the fixing buckle, and a bright spot is formed at the position of the fixing buckle, if the light guide fixing buckle is met in the transmission process, the structure is in a gentle buffer transition modeling at the beginning and the end, for the light, the light can be equivalently reflected in the light transmission direction 4, and a plane of the abrupt change light can not be generated, and granular dermatoglyph can be manufactured on the light guide fixing buckle, and the light on the fixing structure is scattered in , so that the bright spot is eliminated, and the lighting effect of the whole of the light guide device is obtained.

The invention has the advantages that the light guide fixing buckle with gentle buffering transition is designed locally, and dermatoglyph can be added, so that the light efficiency can be effectively improved, the number of used LEDs is greatly reduced on the premise of realizing the same product performance, the product cost is reduced, the overall lighting effect is , the competitiveness of customers is greatly increased, and when the light guide fixing buckle with gentle buffering transition shape at the beginning and the end is adopted, the buckle bright spots in the prior art are eliminated, so that the light guide can meet the structural stability in assembly, the light guide efficiency cannot be reduced, and the overall uniform lighting effect of the light guide can be realized.

Drawings

FIG. 1 is a schematic front view of a light guide of the present invention.

Fig. 2 is a front view of a prior art light guide with a conventional retaining clip.

Fig. 3 is a schematic rear view of a light guide of the present invention.

Fig. 4 is an optical schematic diagram of a prior art light guide with a conventional mounting clip.

Fig. 5 is an optical schematic of an embodiment of the invention.

Fig. 6 is an optical schematic diagram of a second embodiment of the present invention.

Fig. 7 is a lighting effect diagram of the prior art.

Fig. 8 is a lighting effect diagram of the present invention.

Wherein: 1-LED light source, 2-light guide, 3-light guide fixing buckle, 4-light transmission direction, 5-light guide tooth and 6-light guide common fixing buckle installed in the prior art.

Detailed Description

For the purpose of enhancing an understanding of the present invention, the present invention will now be described in further detail with reference to the following examples, which are provided for purposes of illustration only and are not intended to limit the scope of the present invention.