CN212510955U

CN212510955U - Narrow and long lens double-light lighting device for automobile

Info

Publication number: CN212510955U
Application number: CN202021188190.1U
Authority: CN
Inventors: 宋佳玲; 张寒青; 刘娴; 李�浩
Original assignee: Changshu Institute of Technology
Current assignee: Changshu Institute of Technology
Priority date: 2020-06-24
Filing date: 2020-06-24
Publication date: 2021-02-09
Anticipated expiration: 2030-06-24

Abstract

The utility model discloses a two light lighting devices of narrow long lens for car, including passing light source, the distance light source, reflector and integral type lens, integral type lens are the arc strip, its cross-section constitutes including the distance light spotlight cup, first light passageway, first plane of reflection, second light passageway and far and near light hybrid channel, the distance light spotlight cup sets up in the income light end of first light passageway, the second light passageway, far and near light hybrid channel connects gradually and constitutes two opposite direction's buckling, the lower part of far and near light hybrid channel's income plain noodles is shielded to the play light end of second light passageway, passing light source and reflector set up in the rear side on the upper portion of far and near light hybrid channel's income plain noodles, the distance light source sets up in the below of spotlight cup. The utility model discloses the combination of integral type lens realizes the far and near light illumination of vehicle, and the short-distance beam is the reflection bowl that the dispersion set up, and the radiating effect is good.

Description

Narrow and long lens double-light lighting device for automobile

Technical Field

The utility model relates to a lighting device for car especially relates to a two light lighting device of narrow and long lens for car.

Background

The safety lighting device car light is inevitably needed to be used in the driving process of the vehicle, the car light is of great importance to the safety of driving at night, and the lighting range of the car light is the key point of driving safety. With the development of automobile technology, the effective width and brightness of the light shape of the automobile lamp become important guarantee for the safety of automobile driving at night, and with the development of technology, the shape of the automobile headlamp tends to be narrow and long, namely, the light-emitting surface of the headlamp is in a slender shape.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned prior art defect, the utility model aims to provide a two light illuminating device of narrow long lens for car solves the light-emitting problem of narrow long shape light.

The utility model discloses technical scheme is such: the utility model provides a two light lighting devices of narrow and long lens for car, includes passing light source, distance light source, reflector and integral type lens, integral type lens are arc strip, the cross-section of integral type lens constitutes including distance light spotlight cup, first light passageway, first plane of reflection, second light passageway and far and near light hybrid channel, distance light spotlight cup set up in the end of entrying of first light passageway, first light passageway with the end of entrying of second light passageway is connected and is constituted first bending, the end of going out of second light passageway is connected with far and near light hybrid channel and is constituted the second and buckle, the direction of first bending and the direction that the second is buckled respectively towards the both sides of the axis of second light passageway, first plane of reflection is located the top side of first bending is used for with the light reflection of first light passageway is gone into the second light passageway, the income plain noodles of far and near light hybrid channel with the end of going out of second light passageway is connected, the light-emitting end of the second light channel shields the lower part of the light-in surface of the far and near light mixing channel, the near light source and the reflecting bowl are arranged at the rear side of the upper part of the light-in surface of the far and near light mixing channel, the far light source is arranged below the light-gathering cup, the light of the near light source passes through the reflecting bowl and enters the far and near light mixing channel, and the light of the far light source passes through the far light-gathering cup and enters the first light channel.

Furthermore, the curvature radius R of the arc top of the arc strip is more than or equal to 420 mm.

Further, the high beam light source is arranged at an optical origin of the light-gathering cup.

Furthermore, the reflecting surface of the reflecting bowl is an ellipsoid, and the dipped beam light source is arranged at the focus of the ellipsoid.

Furthermore, the number of the high beam light sources is more than or equal to 11, the number of the low beam light sources is more than or equal to 5, each high beam light source corresponds to one light-gathering cup, and each low beam light source corresponds to one light-reflecting bowl.

Compared with the prior art, the utility model the advantage lie in: the high beam and the low beam adopt an integrated optical element, so that the structure is compact, the structure of parts is simple, and the cost is low; the high beam is arranged in a scattered light-gathering cup structure, so that the high optical efficiency of the light-gathering cup is fully utilized, and the illumination performance of the high beam is good; the reflector bowl with dispersedly arranged dipped beams is beneficial to enlarging the irradiation range; the far and near light source is a dispersed light source, which is beneficial to heat dispersion.

Drawings

Fig. 1 is a front upper view angle three-dimensional structure diagram of the narrow and long lens dual-light illumination device for the automobile of the present invention.

Fig. 2 is a rear lower perspective three-dimensional structure view of the narrow and long lens dual-light illumination device for the automobile of the present invention.

Fig. 3 is a rear upper view angle three-dimensional structure diagram of the narrow and long lens dual-light illumination device for the automobile of the present invention.

Fig. 4 is a top view of the dual-illumination device with long and narrow lens for automobile of the present invention.

Fig. 5 is a sectional view of the long and narrow lens dual-light illuminator for automobile of the present invention.

Detailed Description

The present invention will be further described with reference to the following examples, which should not be construed as limiting the invention.

Referring to fig. 1 to 5, the narrow-long lens dual-light illumination device for an automobile according to the present embodiment includes an integrated lens 1, a high beam LED light source 2, a low beam LED light source 3, and a reflection bowl 4, where the high beam LED light source and the low beam LED light source 3 are 3 chips. The high beam LED light source 3 sets up quantity and is greater than or equal to 11, and this embodiment has 15, and the low beam LED light source 3 sets up quantity and is greater than or equal to 5, and this embodiment has 7, the light source that the dispersion set up for the heat source is dispersed and is opened, more is favorable to the heat dissipation, improves the calorifics performance of high beam unit. The whole optical unit of the narrow and long lens double-light illuminating device for the automobile is axisymmetric.

The integral lens 1 is an arc-shaped strip with the curvature radius R being more than or equal to 420mm and is made of transparent plastic. The bottom of the integrated lens 1 is composed of 15 uniformly distributed high beam light-gathering cups 102, the high beam LED light source 2 is arranged at the optical origin of the high beam light-gathering cups 102, and the surface of the optical surface 102a of the light-gathering cup is a circular table. The cross section of the integral lens comprises a high beam condensing cup 102, a first light channel 103, a first reflecting surface 104, a second light channel 105 and a high and low beam mixing channel 109, the high beam condensing cup 102 is arranged at the light inlet end of the first light channel 103, and the light of the high beam light source 2 enters the first light channel 103 through the high beam condensing cup 102. The first optical channel 103 is connected with the light input end of the second optical channel 105 to form a first bend, and the light output end of the second optical channel 105 is connected with the near-far light mixing channel 109 to form a second bend. The first bending direction and the second bending direction respectively face two sides of the axis of the second optical channel 105, that is, the first optical channel 103, the second optical channel 105 and the far-near light mixing channel 109 form a vertical folding structure. The first reflecting surface 104 is located on the top side of the first bend for reflecting the light of the first light channel 103 into the second light channel 105. The light incident surface 107 of the high-beam and low-beam mixing channel 109 is a low-beam light incident surface, and is connected to the light emitting end of the second light channel 105, the light emitting end of the second light channel 105 shields the lower portion of the light incident surface 107 of the high-beam and low-beam mixing channel 109, the low-beam light source 3 and the light reflecting bowl 4 are disposed at the rear side of the upper portion of the light incident surface 107 of the high-beam and low-beam mixing channel 109, the reflecting surface of the light reflecting bowl 4 is an ellipsoid, and the opening faces the light incident surface 107 of the high-beam and low. The dipped beam LED light source 3 is arranged at the focus of the ellipsoid, and the layout of the reflecting bowl 4 is placed according to the light shape requirement. The boundary 108 between the top surface 106 of the second light channel 105 and the near-far light mixing channel 109 is the near-far light splitting boundary.

The high beam LED light source 2 emits light, which irradiates the light-collecting surface 102a of the light-collecting cup of the integral lens 1, then reflects the light to the high beam first light channel 103, irradiates the first reflecting surface 104, then reflects the light to the second light channel 105, then enters the high beam and low beam mixing channel 109, and finally emits the light from the front light-emitting surface 101 of the high beam and low beam mixing channel 109. The low beam LED light source 3 emits light, and after the light is reflected by the reflection surface of the reflection bowl 4, the light enters the near-far light mixing portion 109 after illuminating the light incident surface 107 of the far-near light mixing channel 109 of the unitary lens 1, and is refracted and emitted from the front light emitting surface 101 of the far-near light mixing channel 109.

Claims

1. The utility model provides a two light lighting devices of narrow and long lens for car, its characterized in that, includes passing light source, distance light source, reflector and integral type lens, integral type lens are arc strip, the cross-section constitution of integral type lens includes distance light spotlight cup, first light passageway, first plane of reflection, second light passageway and far and near light mixing channel, distance light spotlight cup set up in the income light end of first light passageway, first light passageway with the income light end of second light passageway is connected and is constituted first bending, the play light end of second light passageway and far and near light mixing channel are connected and are constituted the second and buckle, the direction of first bending reaches the direction of second bending respectively towards the both sides of the axis of second light passageway, first plane of reflection is located the top side of first bending is used for with the light reflection of first light passageway is gone into the second light passageway, the income plain noodles of far and near light hybrid channel with the play light end of second light channel is connected, the play light end of second light channel shields the lower part of the income plain noodles of far and near light hybrid channel, the short-distance beam light source with the reflector set up in the rear side on the upper portion of the income plain noodles of far and near light hybrid channel, the far and near light source set up in the below of light gathering cup, the light warp of short-distance beam light source the reflector gets into far and near light hybrid channel, the light warp of far and near light source the light gathering cup of far and near gets into first light channel.

2. The narrow and long lens dual-light illumination device for the automobile as claimed in claim 1, wherein the curvature radius R of the arc top of the arc strip is not less than 420 mm.

3. The dual illumination device with narrow and long lenses for automobile of claim 1, wherein the high beam light source is disposed at the optical origin of the condensing cup.

4. The dual-light illumination device with narrow and long lenses for the automobile of claim 1, wherein the light reflecting surface of the light reflecting bowl is an ellipsoid, and the low-beam light source is arranged at the focus of the ellipsoid.

5. The dual-light illumination device with narrow and long lenses for the automobile as claimed in claim 1, wherein the number of the high beam light sources is greater than or equal to 11, the number of the low beam light sources is greater than or equal to 5, each high beam light source corresponds to one light-gathering cup, and each low beam light source corresponds to one light-reflecting bowl.