The automobile-used laser head lamp system that spectrum is adjustable
Technical field
The present invention relates to a kind of automobile-used illumination head lamp system, particularly a kind of laser headlamp spectrum regulating system.
Background technology
Headlamp is claimed " headlight " again, is loaded on automobile head both sides, is used for the illumination of driving at night road; Being out-and-out " heart " for full car light, is the important component part of automobile, and it provides illumination and indication necessary in the running car; At present, traditional automotive lighting often adopts halogen regenerative-cycle headlamp, xenon headlight, and the LED headlight was also more and more universal in the last few years; Except more power saving, life-span are longer; The LED headlight also has many comparative advantages, and from trend, LED replaces halogen or xenon headlight trend of the times comprehensively.Yet no matter adopt which kind of light source, output spectrum is regulated in case can't carry out spectrum after installing by the decision of light source self-characteristic.Reality with the lamp process in, conventional lamp such as xenon headlight are cold white light source, have higher light efficiency, under normal meteorological condition, have good illuminating effect, but wet weather and greasy weather because its penetration power is relatively poor, illuminating effect is had a greatly reduced quality; And halogen tungsten lamp is the warm white light source, and photochromic inclined to one side Huang has higher penetrating power in the greasy weather, but light efficiency and luminous power generally are weaker than xenon headlight during at ordinary times with lamp; The spectrum of LED headlamp then is decided by the performance of its packaged chip and fluorescent material, can not regulate in the use.The output spectrum illumination effect of headlight has considerable influence; And existing car headlamp can't be realized the adjusting of spectrum; Under DIFFERENT METEOROLOGICAL CONDITIONS; Therefore the lighting environment of safety and comfort all need be provided, be badly in need of the regulating system of a kind of simplicity of design, easy to operate and safe and reliable vehicle lights spectrum.
Summary of the invention
In view of this, technical problem to be solved by this invention provides a kind of regulating system of simple to operate, safe and reliable vehicle lights spectrum that implementation cost is lower.
The objective of the invention is to realize like this:
The automobile-used laser head lamp system that spectrum provided by the invention is adjustable; Comprise laser instrument, photoconverter, the illumination optical system controller of unifying; Said laser instrument will expose on the photoconverter with spectrum translation function after will producing one-wavelength laser; Said photoconverter produces the required spectrum of illumination under the switching controls effect of controller, and produces institute's light-dependent type distribution through lamp optical system.
Further, said photoconverter comprises at least two elements with spectrum translation function, and can in light path, freely switch through the mode of mechanical movement.
Further, the core component of said light conversion element is the optical material with fluorescence translation function, can be the host material that is mixed with fluorescent material or light emitting ionic.
The invention has the advantages that: the one-wavelength laser that the present invention adopts photoconverter that laser instrument is produced carries out the spectrum conversion, and this photoconverter can produce the required spectrum of multiple illumination under the switching controls effect of controller, realized the adjusting of laser headlamp spectrum; Satisfied under DIFFERENT METEOROLOGICAL CONDITIONS; The illuminating effect of the output light of headlight utilizes laser as light source, has numerous advantages of laser lighting; Stronger like illumination; The light type can be controlled accurately, rapidly and safely, and is more energy-conservation, design freedom etc.; When regulating output spectrum, because a shared cover lamp optical system can not influence the variation of car light output distribute light type; The adjusting of spectrum is accomplished through the fluorescence light conversion element, does not need the design of light source and light path, and implementation method is simple.
Other advantage of the present invention, target and characteristic will be set forth in specification subsequently to a certain extent; And to a certain extent; Based on being conspicuous to those skilled in the art, perhaps can from practice of the present invention, obtain instruction to investigating of hereinafter.Target of the present invention and other advantage can be passed through following specification, claims, and the structure that is particularly pointed out in the accompanying drawing realizes and obtains.
Description of drawings
In order to make the object of the invention, technical scheme and advantage clearer, will combine accompanying drawing that the present invention is made further detailed description below, wherein:
The laser headlamp spectrum regulating system structure chart that Fig. 1 provides for the embodiment of the invention;
The photoconverter structure chart that Fig. 2 provides for the embodiment of the invention.
The specific embodiment
Below will combine accompanying drawing, the preferred embodiments of the present invention will be carried out detailed description; Should be appreciated that preferred embodiment has been merely explanation the present invention, rather than in order to limit protection scope of the present invention.
The laser headlamp spectrum regulating system structure chart that Fig. 1 provides for the embodiment of the invention; The automobile-used laser head lamp system that the photoconverter structure chart spectrum provided by the invention that Fig. 2 provides for the embodiment of the invention is adjustable; As shown in the figure; The automobile-used laser head lamp system that the spectrum that the embodiment of the invention provides is adjustable comprises laser instrument, photoconverter, the illumination optical system controller of unifying, and said laser instrument will expose on the photoconverter with spectrum translation function after will producing one-wavelength laser; Said photoconverter produces the required spectrum of illumination under the switching controls effect of controller, and produces institute's light-dependent type distribution through lamp optical system.Be provided with at least a or multiple spectrum transition material in the said converter, said spectrum transition material forms freely regulated spectrum through freely switching, thereby realizes sending the free adjustment of spectrum.This system can realize the adjusting of spectrum in same lamp optical system, and output light type remains unchanged, and the car that satisfies under many meteorological conditions throws light on outward.
Said laser instrument is the exciting light sources that blue light is provided.Said photoconverter is the substrate of an activity and the spectral light conversion element of the different spectrum of a plurality of outputs, offers the hole that is complementary with the spectral light conversion element on the substrate, and the spectral light conversion element is the optical material of doping fluorescent transformational substance; Laser is through this optical material; Convertible formation has the another kind of coloured light of illumination functions spectrum, and substrate can be strip, also can be disc or other shapes; Substrate can move up and down; Also can rotate around the center of circle or rotate, rotate around a certain limit of substrate around radius, this spectral light conversion element is through switching, and converts the one-wavelength laser of incident into be used to throw light on complex light; Photoconverter can pass through mechanical motion mode, and the different spectrum light conversion element is inserted in the light path.
Said light conversion element has the one-wavelength laser that laser instrument is sent and converts the function that can buy car in installments with the required spectrum of illumination into, and different light conversion elements converts the one-wavelength laser that laser instrument sends into different spectrum.
Said photoconverter comprises at least two light conversion elements, and said light conversion element is symmetrically distributed, and can in light path, freely switch through the mode of mechanical movement, produces different illumination spectrum effects.The photoconverter that provides in the present embodiment comprises light conversion element A and light conversion element B; Said light conversion element A is symmetrically distributed with light conversion element B and is connected; Light conversion element A and light conversion element B can be arranged on the substrate jointly; Also can separately be set to two independently basically; Said spectrum transition material is arranged on light conversion element A and the light conversion element B, and light conversion element A and light conversion element B are provided with and are used for converting input laser into can supply illumination spectrum spectrum transition material, and the switching through light conversion element A and light conversion element B forms required adjusting spectrum; This switching mode can light conversion element A and light conversion element B rotate around an axle rotation or around a point and realize, also can move and realize along straight line.
The laser that said laser instrument sends is the surface that exposes to the spectral light conversion element through the space combining of speculum and lens.The light path of laser to photoconverter can merge the surface that finally exposes to the spectral light conversion element through different spatial group by optical elements such as speculum, lens, and the mode of optical fiber coupling also capable of using is utilized optical fiber to form optical channel output laser and exposed to the surface of spectral light conversion element.
Lamp optical system provides the spatial light intensity of standard code to distribute, i.e. the emergent light type of high beam or dipped headlights.
Be provided with optical material in the said photoconverter, can the one-wavelength laser that laser instrument sends be converted into and can buy car in installments with the required spectrum of illumination with fluorescence translation function.The spectral light conversion element is the transparent optical material of doping fluorescent transformational substance, as is mixed with the colloid or the fluorescent glass of fluorescent material or is mixed with the fluorescent glass of rare earth ion.Its purpose is the laser that utilizes laser instrument to send, can produce excitation spectrum and be used for illumination.The different spectrum light conversion element can produce different excitation spectrums under the effect of laser instrument, and forms different illuminating effects jointly with exciting light, and warm white (gold-tinted) and cold white light (white light) are typically arranged.White light more meets the human eye vision custom, and gold-tinted has stronger penetration power at wet weather and foggy weather.
The above is merely the preferred embodiments of the present invention, is not limited to the present invention, and obviously, those skilled in the art can carry out various changes and modification and not break away from the spirit and scope of the present invention the present invention.Like this, belong within the scope of claim of the present invention and equivalent technologies thereof if of the present invention these are revised with modification, then the present invention also is intended to comprise these changes and modification interior.