CN207661694U - A kind of automobile tail light based on red laser light source - Google Patents

Abstract

The utility model discloses a kind of automobile tail lights based on red laser light source, including laser fiber lighting system, automobile tail light；The automobile tail light is made of lamp housing, light harvesting slot and reflector；The laser fiber lighting system includes Switching Power Supply, outside cavity gas laser, lighting fiber group；The outside cavity gas laser is made of semiconductor laser array, convertible lens, balzed grating, focus lamp, and connecting valve power supply is installed on automobile tail by shell protection；The light harvesting slot is evenly distributed with optic fibre hole；The lighting fiber group is supported by interior of body cable clamping interface, and one end is of coupled connections by focus lamp and outside cavity gas laser, and one end is connect with the optic fibre hole being distributed on light harvesting slot respectively.The automobile tail light light source part keeps light extraction more stable, semiconductor laser coupled into optical fibres is exported, increase the flexibility used by closing beam shaping.

Description

A kind of automobile tail light based on red laser light source

Technical field

The utility model is related to a kind of automobile tail light more particularly to a kind of automobile tail lights based on red laser light source, belong to In automobile lamp lighting area.

Background technology

Automobile tail light occupies an important position in Signal Lamps on Vehicle, because of the signal display automobile traveling that they send out Situation and driving trace will change, and important mission is born to vehicle safety travel.Therefore, it is set in all automobile tail lights It must accomplish following two points in meter：With enough luminous intensities so that automobile tail light is under bright daylight Understand for the driver of other vehicles or pedestrian and distinguishes the signal；Night running, the light that taillight is sent out will not be to other vehicles Driver or pedestrian generate dazzle and uncomfortable feeling.There are mainly three types of the light bulb of automobile tail light is current:First, halogen automobile Light bulb；Second is that HID autobulbs；Also it is exactly LED automotive luminaires.Halogen lamp is simple, of low cost, brightness is easily adjusted It is good with control, colour rendering, but service life is short, luminous efficiency is low, such as Patent No. 201220021528.3, patent name one The utility model patent of kind of a kind of group of dynamic formula automobile tail light that is in the fashion provides a kind of automobile tail light using yellow LED lamp with red Color LED light or halogen lamp or ordinary incandescent lamp are composed, and are that fashion is dynamic, are formed as different, are facilitated the pattern of identification, More preferable, fashion higher more indicative than traditional taillight；Brightness, flicker, mobile flicker and the speed more human nature of LED light Change, it can be according to the vision accommodation of people.The durable environmental protection of LED light, and high brightness is low in calories, such as Patent No. 201710720369.3, Patent name provides a kind of LED car lamp for a kind of patent of invention of LED car lamp, solves as specially existing LED car lamp radiates Short circuit is in turn resulted in without any aging for protecting structure that can accelerate plastic cement base part near radiator even damage wait it outside device The technical issues of being easy to be burned when his failure and installation and debugging LED car lamp；For another example Patent No. 201220451177.X, patent A kind of utility model patent of entitled using LED Multi-functional automobile tail light for light source, uses LED for light source, solves biography System is high as the combined tail lamp power consumption of light source using light bulb, and insufficiency, volume is bigger than normal, the low disadvantage of degree of protection.But and laser Lamp is compared, these orthodox car car lights there is luminous efficiencies it is low, irradiation distance is small, short life the shortcomings of, and use light source Car light directly is illuminated, good heat dissipation effect can not be played, light source is placed on vehicle by a kind of existing fiber optic conduction laser car light Part other than lamp can reach heat dissipation effect, and repair is facilitated to replace light source, such as Patent No. 201610072406.X Patent of invention provides a kind of fiber optic conduction laser car light, and laser is made to illuminate car light by optical fiber transmission, realizes that irradiation distance is remote, dissipates The good effect of heat, but it is directly to export laser coupled into optical fiber by laser, goes out photo-labile, and beam quality is not high.

Invention content

In order to solve above-mentioned the deficiencies in the prior art, the purpose of the present utility model is to provide a kind of based on red sharp The automobile tail light of radiant provides stable laser light source, further according to semiconductor by semiconductor laser array by closing beam shaping The beam characteristics of laser export semiconductor laser coupled into optical fibres, can both utilize the flexible transfer of optical fiber in this way, increase The flexibility used fundamentally improves the output beam quality of semiconductor laser.

Technical solution that the utility model uses for：The technical solution that the utility model is taken is：One kind is swashed based on red The automobile tail light of radiant, including laser fiber lighting system, automobile tail light；The automobile tail light is by lamp housing, light harvesting slot and anti- Penetrate cup composition；The laser fiber lighting system includes Switching Power Supply, outside cavity gas laser, lighting fiber group；The external cavity laser Device is made of semiconductor laser array, convertible lens, balzed grating, focus lamp, and connecting valve power supply is installed on by shell protection Automobile tail；The semiconductor laser array is located at the focal plane of convertible lens, the balzed grating, and convertible lens spacing 250mm is simultaneously tilted at 23.5 °, and the focus lamp is 50mm with balzed grating, spacing；The light harvesting slot is evenly distributed with optic fibre hole； The lighting fiber group is supported by interior of body cable clamping interface, and one end is of coupled connections by focus lamp and outside cavity gas laser, one end point It is not connect with the optic fibre hole being distributed on light harvesting slot.

The semiconductor laser array is made of 9 semiconductor laser Bar items；

The convertible lens is planoconvex spotlight, focal length 150mm；

The lighting fiber group is made of 9 beam end luminous lighting optical fiber, and optical fiber core diameter is 400 μm, and numerical aperture NA= 0.22；

The focus lamp is three-chip type focus lamp, focal length 29.1mm；

The light harvesting slot is aluminum high reflectivity metal groove body；

The reflector is glass-reflected cup.

The beneficial effects of the utility model are：

1. the automobile lamp using semiconductor red laser light source laser array be used as light source, it is at low cost, can obtain greatly Power laser exports, and light extraction is stablized；

2. light source part uses the design that beam is closed in shaping, multiple laser is polymerize, is shaped to the high-energy of a branch of stabilization The laser of high quality；

3. semiconductor laser coupled into optical fibres is exported, the flexible transfer of optical fiber can be both utilized in this way, increase and use Flexibility, and can fundamentally improve output beam quality.

Description of the drawings

Below in conjunction with the accompanying drawings and concrete mode the utility model is described in further detail.

Fig. 1 is the three-dimensional structure diagram of the utility model；

Fig. 2 is outside cavity gas laser structure chart；

Fig. 3 is lamp design figure；

Fig. 4 is optic fibre hole distribution map；

In Fig. 1-4：1- shells；2- lamp housings；3- Switching Power Supplies；4- outside cavity gas lasers；5- lighting fiber groups；6- light harvesting slots； 7- reflectors；8- optic fibre holes；9- semiconductor laser arrays；10- convertible lens；11- balzed grating,s；12- focus lamps.

Specific implementation mode

In Fig. 1-3, a kind of automobile tail light based on red laser light source, including laser fiber lighting system, automobile tail light； The automobile tail light is made of lamp housing 2, light harvesting slot 6 and reflector 7；The laser fiber lighting system includes Switching Power Supply 3, outer Cavity laser 4, lighting fiber group 5；The outside cavity gas laser 4 by semiconductor laser array 9, convertible lens 10, balzed grating, 11, Focus lamp 12 forms, and connecting valve power supply 3 is installed on automobile tail by the protection of shell 2；The convertible lens is that focal length is 150mm Planoconvex spotlight；The semiconductor laser array is made of 9 semiconductor laser Bar items；The semiconductor laser array 9 In the focal plane of convertible lens 10；The balzed grating, 11 is tilted with convertible lens spacing 250mm and at 23.5 °, described poly- Burnt mirror 12 is three-chip type focus lamp, and focal length 29.1mm, after being placed in balzed grating, 11, and spacing is 50mm；The light harvesting slot 6 is equal It is even that optic fibre hole 8 is distributed with；The optic fibre hole 8 is with perforative formal distribution on light harvesting slot 6, and the lighting fiber group 5 is by 9 beam ends Luminous lighting optical fiber forms, and optical fiber core diameter is 400 μm, and numerical aperture NA=0.22 is supported by interior of body cable clamping interface, and one end is logical Over-focusing mirror 12 is of coupled connections with outside cavity gas laser 4, and one end is connect with the optic fibre hole 8 being distributed on light harvesting slot 6 respectively, and laser passes through Lighting fiber group 5 is transmitted in reflector.

Claims (7)

1. a kind of automobile tail light based on red laser light source, including laser fiber lighting system, automobile tail light；The car tail Lamp is made of lamp housing, light harvesting slot and reflector；The laser fiber lighting system includes Switching Power Supply, outside cavity gas laser, illumination Optical fiber group；It is characterized in that, the outside cavity gas laser is by semiconductor laser array, convertible lens, balzed grating, focusing microscope group At connecting valve power supply is installed on automobile tail by shell protection；The coke that the semiconductor laser array is located at convertible lens is flat At face, the balzed grating, is tilted with convertible lens spacing 250mm and at 23.5 °, and the focus lamp is with balzed grating, spacing 50mm；The light harvesting slot is evenly distributed with optic fibre hole；The lighting fiber group is supported by interior of body cable clamping interface, and one end passes through poly- Burnt mirror is of coupled connections with outside cavity gas laser, and one end is connect with the optic fibre hole being distributed on light harvesting slot respectively.

2. a kind of automobile tail light based on red laser light source according to claim 1, it is characterised in that：The semiconductor Laser array is made of 9 semiconductor laser Bar items.

3. a kind of automobile tail light based on red laser light source according to claim 1, it is characterised in that：The conversion is saturating Mirror is planoconvex spotlight, focal length 150mm.

4. a kind of automobile tail light based on red laser light source according to claim 1, it is characterised in that：The illumination light Fine group is made of 9 beam end luminous lighting optical fiber, and optical fiber core diameter is 400 μm, numerical aperture NA=0.22.

5. a kind of automobile tail light based on red laser light source according to claim 1, it is characterised in that：The light harvesting slot For aluminum high reflectivity metal groove body.

6. a kind of automobile tail light based on red laser light source according to claim 1, it is characterised in that：The focus lamp For three-chip type focus lamp, focal length 29.1mm.

7. a kind of automobile tail light based on red laser light source according to claim 1, it is characterised in that：The reflector For glass-reflected cup.