CN209147003U - A kind of signal lamp with symmetrical guide structure - Google Patents

Abstract

The utility model relates to a kind of signal lamp with symmetrical guide structure, the signal lamp includes outer lampshade, interior lampshade, decorative circle, bracket, and light guide and LED light source are symmetrical with central symmetry plane both sides.Wherein light guide is arranged between interior lampshade and bracket, is diffusive material on interior lampshade material, and the light guide is both ends entering light, and the light guide can lead for direct light or the long light guide with certain radian.Both ends entering light, symmetrical guide structure are able to solve brightness uniformity problem before and after long light guide, improve light guide in the application in car light field.The utility model structure is simple, is able to achieve the whole uniformity effects of light-emitting surface, improves the design efficiency for longer light guide.

Description

A kind of signal lamp with symmetrical guide structure

Technical field

The utility model belongs to technical field of automobile illumination more particularly to a kind of signal with symmetrical guide structure Lamp.

Background technique

With the development of economy, automobile home penetration rate is higher and higher, and requirement of the people to automobile is also not only to realize It rides instead of walk demand, appearance and modeling is also increasingly paid close attention to.Currently, the moulding of car light is changeable, wherein light-emitting surface also gradually breaks through tradition, Longer narrower visual effect is pursued, the high-mount brake lamp and taillight of many penetration types occurs.It is reflective to need LED number more, Lighting has the effect of granular sensation.Currently, guide structure is widely used in automotive lighting field, LED number can be reduced, from And whole lamp cost is reduced, it can be good at the granular sensation for eliminating LED, realize the uniformity of entire light-emitting surface, richer technology sense.And Light can be elongated more and more weaker with distance in light guide internal communication, for present long light guide, the light guide knot of one end entering light Structure is difficult to realize the brightness uniformity of tail portion and front end.And both ends entering light, before symmetrical guide structure is able to solve long light guide Brightness uniformity problem afterwards improves light guide in the application in car light field.

Utility model content

The utility model is simple in order to solve a kind of structure, the signal with symmetrical guide structure of low manufacture cost Lamp, can be realized long light guide lights uniformity, solves the problems, such as that not only narrow but also long light-emitting surface lights consistency effect, provides one Signal lamp of the kind with symmetrical guide structure.

A kind of signal lamp with symmetrical guide structure, including shell are set gradually from inside to outside in the shell There are bracket, light guide, interior lampshade and outer lampshade, the pcb board is vertically set on the both ends of the light guide, and the pcb board is equipped with Light source, the light guide and the pcb board are symmetrical about central symmetry plane, and the light guide is equipped with light guide tooth close to one end of bracket.

Preferably, the uniformity in order to realize light, the light guide tooth from both ends to central symmetry plane from low to high, By dredging close gradual change.

Further, in order to preferably expand range of refractive, light source is preferably utilized, two bevel edge of light guide tooth and tooth The angle A and B that basal plane is formed are 0 °~45 °.

Preferably, the light source is 1 or plurality of LEDs.

Further, in order to realize the light-emitting uniformity realized in the unobstructed situation of light source, the both ends of the light guide are equipped with Convex block, the convex block are equipped with tooth form, and the light guide is equipped with striated structure close to one end of interior lampshade, the tooth on the convex block Light is totally reflected to the interior lampshade both ends by shape, realizes the uniformity of light.

Preferably, the uniformity in order to realize light, light is spread up and down, the sagitta of the striated structure is 0.1mm~1mm.

Further, the interior lampshade material is scattering material, such as: DF23, DF22 etc., the interior cover surface is flat Face or pattern structure with diffusion improve the diffusivity of light, increase light luminance.

The utility model has the advantages that the light guide of the utility model is both ends entering light, both ends are symmetrical from the central position, one end LED every in this way The length for the uniformity of being considered is the half of original light guide, reduces the height and density of light guide front-end optical tooth, reduces light Light leakage in front end has enough light to guarantee the brightness at center, solves the problems, such as that long light guide center is dark when reaching center, That realizes long light guide lights uniformity.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the partial enlarged view of the utility model；

Fig. 3 is the cross-sectional view of the utility model；

Fig. 4 is the double wedge structure of the utility model light guide tooth；

Fig. 5 is the concave tooth structure of the utility model light guide tooth；

Fig. 6 is the schematic enlarged-scale view of the utility model light guide one end；

1, light guide；2, shell；3, interior lampshade；4, bracket；5, pcb board；6, central symmetry plane；7, LED light source；8, outer lamp Cover；9, light guide tooth；10, convex block.

Specific embodiment

As shown in Figure 1, a kind of signal lamp with symmetrical guide structure, including shell 2, including shell 2, the shell Bracket 4, light guide 1, interior lampshade 3 and outer lampshade 8 are disposed in body 2 from inside to outside, the pcb board 5 is vertically set on described The both ends of light guide 1, the light source are 1 or plurality of LEDs, and the light guide 1 and the pcb board 5 are right about central symmetry plane 6 Claim, the light guide 1 is equipped with light guide tooth 9 close to one end of bracket 4.In order to realize the uniform in light emission realized in the unobstructed situation of light source Property, the both ends of the light guide 1 are equipped with convex block 10, and the convex block 10 is equipped with tooth form, and the tooth form on the convex block 10 is by light Line is totally reflected to the interior lampshade both ends, and the light guide 1 is equipped with striated structure, the striated structure close to one end of interior lampshade 3 Sagitta be 0.1mm~1mm.As shown in figure 4, the light guide tooth 9 from both ends to central symmetry plane 6 from low to high, by dredging Close gradual change.In order to expand range of refractive, light source is preferably utilized, as it can be seen in figures 5 and 6, the light guide tooth 9 is double wedge or recessed The angle A and B that two bevel edges of tooth, the double wedge or concave tooth and tooth basal plane are formed are 0 °~45 °, each described double wedge or Two bevel edges of concave tooth are consistent with angle A and B that tooth basal plane is formed and symmetrical about central symmetry plane 6.The interior lampshade 3 is scattering Material, such as: DF23, DF22 etc., interior 3 surface of lampshade are plane or the pattern structure with diffusion, improve light Diffusivity increases light luminance.

Claims (7)

1. a kind of signal lamp with symmetrical guide structure, including shell (2), in the shell (2) from inside to outside successively It is provided with bracket (4), light guide (1), interior lampshade (3) and outer lampshade (8), pcb board (5) is vertically set on the two of the light guide (1) End, the pcb board (5) are equipped with light source, the light guide (1) and the pcb board (5) about central symmetry plane (6) symmetrically, it is described Light guide (1) is equipped with light guide tooth (9) close to the one end of bracket (4).

2. a kind of signal lamp with symmetrical guide structure according to claim 1, it is characterised in that: the light guide Tooth (9) from both ends to central symmetry plane (6) from low to high, by dredging close gradual change.

3. a kind of signal lamp with symmetrical guide structure according to claim 2, it is characterised in that: the light guide tooth The angle A and B that (9) two bevel edges and tooth basal plane are formed are 0 °~45 °.

4. a kind of signal lamp with symmetrical guide structure according to claim 1, it is characterised in that: the light source For 1 or plurality of LEDs.

5. a kind of signal lamp with symmetrical guide structure according to claim 1, it is characterised in that: the light guide (1) both ends are equipped with convex block (10), and the convex block (10) is equipped with tooth form, side of the light guide (1) close to interior lampshade (3) Equipped with striated structure.

6. a kind of signal lamp with symmetrical guide structure according to claim 5, it is characterised in that: the striped knot The sagitta of structure is 0.1mm~1mm.

7. a kind of signal lamp with symmetrical guide structure according to claim 1, it is characterised in that: the interior lampshade (3) material is scattering material, and interior lampshade (3) surface is plane or the pattern structure with diffusion.