CN102338337B - Lamps apparatus for vehicle - Google Patents
Lamps apparatus for vehicle Download PDFInfo
- Publication number
- CN102338337B CN102338337B CN201110201462.6A CN201110201462A CN102338337B CN 102338337 B CN102338337 B CN 102338337B CN 201110201462 A CN201110201462 A CN 201110201462A CN 102338337 B CN102338337 B CN 102338337B
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- Prior art keywords
- light
- vehicle
- optical axis
- lamps apparatus
- reflecting mirror
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
- F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
- F21S41/141—Light emitting diodes [LED]
- F21S41/147—Light emitting diodes [LED] the main emission direction of the LED being angled to the optical axis of the illuminating device
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
- F21S41/19—Attachment of light sources or lamp holders
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
- F21S41/25—Projection lenses
- F21S41/255—Lenses with a front view of circular or truncated circular outline
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
- F21S41/32—Optical layout thereof
- F21S41/321—Optical layout thereof the reflector being a surface of revolution or a planar surface, e.g. truncated
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
- F21S41/32—Optical layout thereof
- F21S41/33—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature
- F21S41/334—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature the reflector consisting of patch like sectors
- F21S41/335—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature the reflector consisting of patch like sectors with continuity at the junction between adjacent areas
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
- F21S41/32—Optical layout thereof
- F21S41/36—Combinations of two or more separate reflectors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
- F21S41/37—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors characterised by their material, surface treatment or coatings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/40—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades
- F21S41/43—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades characterised by the shape thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/60—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution
- F21S41/65—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on light sources
- F21S41/663—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on light sources by switching light sources
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/60—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution
- F21S41/68—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on screens
- F21S41/683—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on screens by moving screens
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/60—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution
- F21S41/68—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on screens
- F21S41/683—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on screens by moving screens
- F21S41/692—Shields, i.e. screens not creating an image meant to be projected
Abstract
It is an object of the invention to provide a kind of lamps apparatus for vehicle, it has higher beam utilization.Above-mentioned purpose is realized by following lamps apparatus for vehicle, and this lamps apparatus for vehicle has: projecting lens, and it is configured on the upwardly extending optical axis in vehicle front and back；A pair semiconductor light-emitting elements, it is configured at left and right across optical axis；And reflecting mirror, it has the pair of right and left spotlight camber using optical axis as center, this lamps apparatus for vehicle is characterised by, each horizontal profile of a pair spotlight camber of reflecting mirror is generally oblong shape, this ellipse is using each self-corresponding semiconductor light-emitting elements as the 1st focus, using the rear focus of projecting lens as the 2nd focus, a pair semiconductor light-emitting elements is configured to respective irradiation axis towards optical axis side and toward each other and each spotlight camber of orienting reflex mirror, makes light irradiate along optical axis direction front side via projecting lens.
Description
Technical field
The present invention relates to a kind of lamps apparatus for vehicle forwards irradiated by the light from light source, especially
Relate to a kind of vehicle use that front driving or retrograde car will not be produced dazzle and make identity improve
Light fixture.
Background technology
Along with the high brightness of semiconductor light-emitting elements (LED) in recent years, develop and make
With the lamps apparatus for vehicle of LED.In this lamps apparatus for vehicle, patent documentation 1 proposes one
Planting lamps apparatus for vehicle, this lamps apparatus for vehicle can be with pedestrian, front driving, the presence or absence phase of the car that drives in the wrong direction
Correspondence, is formed and only irradiates vehicle front or the multiple different irradiation area of vehicle side, so that
Obtain and above-mentioned pedestrian, front driving, the car that drives in the wrong direction will not be produced dazzle.Light gathering degree due to LED
Higher and its range of exposures is narrower, therefore in patent documentation 1, propose following proposal, i.e.
The LED in multiple irradiation region different from each other is set, by the lighting/light-off of each LED of control
Form multiple light distribution patterns.
Patent documentation 1: Japanese Unexamined Patent Publication 2007-179969 publication
Summary of the invention
The lamps apparatus for vehicle that patent documentation 1 is recorded, discloses a kind of structure using 3 reflecting mirrors,
Illumination is improved to improve beam utilization.But in the structure shown here, due in order to form a left side respectively
Side irradiate pattern, right side irradiate pattern, central illumination pattern, need 3 the most different
, therefore there is the problem that lamps apparatus for vehicle maximizes in the reflecting mirror in direction.Thus, if with by each
The mode that reflecting mirror stacks reduces interval each other and makes 3 mirror integrals, so that
Lamps apparatus for vehicle miniaturization, the most now the reflecting surface area of reflecting mirror will reduce, the utilization of light beam
Rate reduces, it is impossible to obtain sufficient illumination.
Therefore, it is an object of the invention to provide a kind of lamps apparatus for vehicle, it is by semiconductor light emitting element
Part, as light source, has higher beam utilization.
According to the present invention, to achieve these goals, following proposal is proposed:
(1) a kind of lamps apparatus for vehicle, it has:
Projecting lens, it is configured on the upwardly extending optical axis in vehicle front and back；
A pair semiconductor light-emitting elements, it is left and right configuration across described optical axis；And
Reflecting mirror, it has the pair of right and left spotlight camber using described optical axis as center,
It is characterized in that,
Each described spotlight camber of reflecting mirror described in a pair, its horizontal profile is generally oblong
Shape, this ellipse is using each self-corresponding described semiconductor light-emitting elements as the 1st focus, with described throwing
The rear focus of shadow lens as the 2nd focus,
Described in a pair, semiconductor light-emitting elements is configured to, respective irradiation axis towards optical axis side and that
This relative and towards described reflecting mirror each described spotlight camber, makes via described projecting lens
Light irradiates along described optical axis direction front side.
(2) according to the lamps apparatus for vehicle of scheme 1, it is characterised in that have:
Fixing dark slide, it is configured on described reflecting mirror, from the described spotlight camber of left and right
Boundary extend along described optical axis；And
Movable light shield plate, it can switch to shading position and not shading position, and this shading position is
On described optical axis Ax and at the described rear side near focal point of described projecting lens, will be from described
The position that light gathering reflector blocks towards the part of the incident light of described projecting lens,
The luminous intensity distribution figure making central front part that light is not radiated at described lamps apparatus for vehicle can be formed
Case.
(3) according to scheme (1) or the lamps apparatus for vehicle of (2), it is characterised in that
The exterior lateral area away from described optical axis on the described spotlight camber of described reflecting mirror, shape
Becoming diffusely reflecting surface, this scattered reflection carries out reflecting to irradiate the side of vehicle front in the face of light.
The effect of invention
According to lamps apparatus for vehicle involved in the present invention, configure across about optical axis owing to having
A pair semiconductor light-emitting elements and possess the reflecting mirror of pair of right and left reflecting surface, one to half
Conductor light-emitting component is configured to respective irradiation axis towards optical axis side and toward each other and towards instead
Penetrate each reflecting surface of mirror, therefore can make from irradiation axis radially spread from quasiconductor
The major part of the light of light-emitting component is incident to reflecting mirror.Therefore, it can utilize reflecting mirror efficiently
Reflect the light launched from semiconductor light-emitting elements, such that it is able to provide, there is higher light beam utilization
The lamps apparatus for vehicle of rate.
Accompanying drawing explanation
Fig. 1 is the outline profilograph of the lamps apparatus for vehicle involved by embodiments of the present invention.
Fig. 2 is the II-II along Fig. 1 that movable light shield plate is not located at the state of rear near focal point
The profile of line.
Fig. 3 is the II-II line along Fig. 1 that movable light shield plate is located behind the state of near focal point
Profile.
Fig. 4 is to represent the distance light that the lamps apparatus for vehicle involved by embodiments of the present invention is formed
With the schematic diagram of light distribution patterns.
Fig. 5 is to represent the pursuit that the lamps apparatus for vehicle involved by embodiments of the present invention is formed
The schematic diagram of distance light light distribution patterns.
Fig. 6 is represent that lamps apparatus for vehicle involved by embodiments of the present invention is formed the 1
The schematic diagram of unilateral distance light light distribution patterns.
Fig. 7 is represent that lamps apparatus for vehicle involved by embodiments of the present invention is formed the 2
The schematic diagram of unilateral distance light light distribution patterns.
Detailed description of the invention
Below, based on accompanying drawing, the preferred implementation to lamps apparatus for vehicle involved in the present invention
Illustrate.
<unitary construction of lamps apparatus for vehicle>
Fig. 1 is the profilograph of the lamps apparatus for vehicle involved by present embodiment.As it is shown in figure 1,
Lamps apparatus for vehicle 1 involved by present embodiment is a kind of headlight for automobile, and it has: thoroughly
The diffuser 2 of bright shape；Lamp body 3；And lamp unit 10, it is contained in by diffuser 2 He
In the lamp house that lamp body 3 is formed.
The light fixture that lamps apparatus for vehicle 1 is discussed further below, its optical axis Ax is on vehicle fore-and-aft direction
Extend, the light from lamp unit 10 forwards can be irradiated and switch distance light luminous intensity distribution figure
Case, pursuit distance light light distribution patterns, the 1st unilateral distance light light distribution patterns, the 2nd unilateral distance light
Use light distribution patterns.
Lamp unit 10 has as shown in Figure 1: projecting lens 11, and it is arranged in light fixture list
Convex lens on the optical axis Ax of unit 10；The LED (semiconductor light-emitting elements) of pair of right and left
12L, 12R, it is configured at the rear of rear side focus F of projecting lens 11；Reflecting mirror 20,
It has and is reflected towards near the front of optical axis Ax by the light from LED12L, 12R
Pair of right and left reflecting surface 21L, 21R；And light-blocking member 30, it has fixing dark slide
31 and movable light shield plate 32, form the luminous intensity distribution figure of regulation by blocking a part for reflection light
Case.
This lamp unit 10 is arranged on pedestal 5, and pedestal 5 is fixed on framework 7.At framework
The rear of 7 is provided with the heat-sink units such as heat emission fan 8, the heat that will be produced by LED12L, 12R
Shed.Framework 7 is supported on lamp body 3 via correcting mechanism 9A, straightening mechanism 9B, and
Correcting mechanism 9A is utilized to be adjusted to the optical axis Ax of lamp unit 10 relative to horizontal direction
Extend in 0.5～0.6 ° of degree downwardly direction and fix, it addition, utilize straightening mechanism 9B to install
On lamp body, this optical axis Ax can be regulated in vertical direction.
Fig. 2 is the profile of the II-II line along Fig. 1.With reference to Fig. 2, LED12L, 12R
On substrate, e.g. form white luminous two poles of the rectangle light-emitting area in 1 × 4mm four directions
Pipe.A pair LED12L, 12R are configured at the left and right sides of vehicle across optical axis Ax, and
It is configured to respective irradiation axis 12La, 12Ra towards optical axis Ax side and toward each other.More accurate
Really saying, LED12L, 12R are configured to from state relative to each other, with its irradiation axis 12La,
The mode of reflecting surface 21L, 21R of 12Ra orienting reflex mirror 20 is somewhat inclined to the rear of vehicle
Tiltedly.
Reflecting mirror 20 has optical axis Ax as pair of right and left reflecting surface 21L, the 21R at center.
Left and right reflecting surface 21L, 21R are the reflectings surface utilizing the formation such as aluminium-vapour deposition, the two interconnect and
It is integrally forming.It addition, each reflecting surface 21L, 21R have: the spotlight camber of optical axis Ax side
21La、21Ra；And diffusely reflecting surface 21Lb, 21Rb, its with spotlight camber 21La,
21Ra phase is continuous, is formed at the opposition side (away from side) of optical axis Ax.
Left and right spotlight camber 21La, 21Ra are generally oblong dome shape, and its horizontal profile divides
It not a part of oval EL, ER, be configured to relative with left and right LED12L, 12R, should
1st focus of oval EL, ER is positioned in the light-emitting area of left and right LED12L, 12R, and the 2nd
Focus is positioned in rear focus F of projecting lens 11.Therefore, light α 1 as shown in Figure 2,
Shown in α 2, the light sent from left and right LED12L, the 12R being positioned at the 1st focus, respectively by a left side
Right spotlight camber 21La, 21Ra reflect and by being positioned at rear focus F of the 2nd focus, enter
It is incident upon in projecting lens 11, projects the light parallel with optical axis Ax to vehicle front.
Left and right diffusely reflecting surface 21Lb, 21Rb are to open from left and right spotlight camber 21La, 21Ra
Begin be continuously formed mutually with outside (opposition side of optical axis Ax), project towards vehicle side
Diffusion light reflecting surface.In the present embodiment, light α 3 as shown in Figure 2, α 4 institute
Showing, they penetrate in the following manner, i.e. the diffusely reflecting surface 21Lb in left side is by from left side
The light of LED12L reflects to the right side of vehicle front, and the diffusely reflecting surface 21Rb on right side will be from
The light of the LED12R on right side reflects to the left side of vehicle front, thus to a right left side for vehicle front
Side is spread.Additionally, this diffusely reflecting surface 21Lb, 21Rb are generally oblong shape, section by section
Face for substantially parabolic shape etc. is formed.
According to the lamps apparatus for vehicle 1 involved by present embodiment as above, a pair LED
12L, 12R are configured to, and the left and right of respective irradiation axis orienting reflex mirror 20 is reflected and 21L, 21R,
As utilized the side view shown in Fig. 1 understood, to cover the side of LED12L, 12R
Formula forms reflecting surface 21L, 21R.Therefore, it can utilize reflecting mirror 20 to reflect radially expand
The major part of the light from LED12L, 12R dissipated, improves the utilization rate of light beam, thus can
To realize brighter lamps apparatus for vehicle 1.
<light-blocking member>
Lamps apparatus for vehicle 1 involved by present embodiment is as it is shown in figure 1, also have light-blocking member
30, this light-blocking member 30 has fixing dark slide 31 and movable light shield plate 32.Utilize Fig. 1 and
Fig. 3 explains this light-blocking member 30.Fig. 3 is after movable light shield plate 32 is positioned in fig. 2
The figure of the state near side's focus F.
Fixing dark slide 31 is the light-blocking member of tabular, and it is configured to the left and right from reflecting mirror 20
The boundary of spotlight camber 21La, 21Ra extends along optical axis Ax.In the present embodiment, it is
Extend to the front of rear focus F along optical axis Ax from the boundary of spotlight camber 21La, 21Ra
Dark slide.
When movable light shield plate 32 is not located at shading position, make LED12L, 12R
In any one lighting time, fixing dark slide 31 blocks the reflection light from reflecting mirror 20
A part, forms vertical "cut-off"line.That is, as in figure 2 it is shown, from LED12R, 12L
Send and the light α of regional reflex of close optical axis center at spotlight camber 21Ra, 21La
5, α 6, are blocked by fixing dark slide 31 and do not penetrate to vehicle front.
Movable light shield plate 32 is configured to, and can switch to shading position and not shading position, this screening
Optical position is on optical axis Ax and near rear focus F of projecting lens 11, will be from reflection
The position that mirror 20 blocks to a part for the light of projecting lens 11 incidence.It addition, movable light shield
Plate 32 is formed as the shape that section is substantially U-shaped at reflecting mirror 20 side opening, movably
The two ends, left and right of dark slide 32 form the extension extended parallel to optical axis Ax.Movable light shield
Plate 32 is formed in the way of extension surrounds rear focus, suppresses the reflection from reflecting mirror 20
Light spreads and projects to vehicle front.
With reference to Fig. 1, movable light shield plate 32 is located remotely from pedestal 5 side of rear focus F time usual,
Actuator 33 can be utilized as required to move the optical axis Ax side near focus F of rear, and
Switch its position.The state of pedestal 5 side of rear focus F it is located remotely from movable light shield plate 32
Under, movable light shield plate 32 does not block and is reflected by reflecting mirror 20 and be incident in projecting lens 11
Light.
If the state that movable light shield plate 32 is from pedestal 5 side being located remotely from rear focus F utilizes
Actuator 33 moves the optical axis Ax side near focus F of rear, then as it is shown on figure 3, movable
Near rear focus F that dark slide 32 is positioned on optical axis Ax.Owing to utilizing the poly-of reflecting mirror 20
The light of light reflection surface 21La, 21Ra reflection passes through near focus F of rear, the most in this condition,
From left and right spotlight camber 21La, 21Ra reflection light a part by movable light shield plate 32
Block.Therefore, if movable light shield plate 32 is located behind near focus F, then before irradiating vehicle
The light of the central authorities of side is blocked.Additionally, as actuator 33, it is possible to use there is feed screw
Mechanism and drive the known actuator such as actuator of motor of this mechanism.
In addition it is also possible to form additional reflecting surface 32a in two sides of movable light shield plate 32.
Due to this additional reflecting surface 32a can be utilized not reflected by reflecting mirror 20 and from LED12L,
12R is directly toward the part reflection of the light of vehicle front, via projecting lens 11 before vehicle
Side's projection, therefore, improves light utilization efficiency by forming additional reflecting surface 32a.
<light distribution patterns>
Below, using Fig. 4～7, can form the lamps apparatus for vehicle 1 of present embodiment joins
Light pattern (distance light light distribution patterns, the 1st the 2nd unilateral distance light light distribution patterns, pursuit distance light
With light distribution patterns) illustrate.Additionally, Fig. 4～7 is to represent by lamps apparatus for vehicle 1 with having an X-rayed
The figure irradiating the light distribution patterns formed on the light vertical screen of the imagination at located anteriorly 25m.
The most in the drawings, V-V represents that vertical direction, H-H represent horizontal direction.
Fig. 4 represents the situation of the vehicle front wider area when hope irradiation vehicle generally travels
The most effective distance light light distribution patterns.This distance light light distribution patterns is as in figure 2 it is shown, can pass through
Make two LED12L, 12R lightings in left and right, and make the movable light shield plate 32 of light-blocking member 30
Being positioned at pedestal 5 side, being formed from the reflection light of reflecting mirror 20 so that not blocking.From a left side
Reflection light α 1, the α 2 of right spotlight camber 21La, 21Ra are incident upon the central authorities of vehicle front,
And be centrally formed irradiation area A1, A2 at vehicle front, from diffusely reflecting surface 21Lb,
Reflection light α 3, the α 4 of 21Rb are incident upon the left and right sides of vehicle front, and on a left side for vehicle front
Side and right side form irradiation area A3, A4 respectively.As noted above, at distance light light distribution patterns
Middle formation above-mentioned irradiation area A1～A4, irradiates the wider area of vehicle front.
Fig. 5 is to move ahead in the case of car travels at vehicle front effectively to pursue distance light luminous intensity distribution
Pattern.This pursuit distance light light distribution patterns can be as shown in Figure 3 by making two LED in left and right
12L, 12R lighting, and make the movable light shield plate 32 of light-blocking member 30 be located behind focus F
Near and realize.
Specifically, as it is shown on figure 3, by sending from left and right LED12L, 12R, utilize
A part for the light of left and right spotlight camber 21La, 21Ra reflection, attached by being located behind focus F
Near movable light shield plate 32 blocks, thus forms the irradiation of the middle body not irradiating vehicle front
Region A1a, A2a.It addition, send from left and right LED12L, 12R, utilize left and right diffusion anti-
Penetrate face 21Lb, 21Rb the light α 3 of the most left reflection, α 4 respectively, not by movable light shield plate 32
Blocking and project, the left and right sides at vehicle front forms irradiation area A3, A4.
Therefore, at vehicle front as it is shown in figure 5, by irradiation area A1a, A2a, A3, A4
Form the pursuit distance light light distribution patterns of the central authorities the most not irradiating vehicle front.Remote according to this pursuit
Light light distribution patterns, the front driving that will not travel the central authorities at vehicle front produces dazzle, can
So that the identity of this car improves.
Fig. 6 represents and travels at the vehicle front car that moves ahead, and the right side that retrograde car is by vehicle front
Effective 1st unilateral distance light light distribution patterns during side.1st unilateral distance light light distribution patterns can
With attached by making the movable light shield plate 32 of light-blocking member 30 be located behind focus F as shown in Figure 3
Closely, and make left side LED12L not lighting, only make right side LED12R lighting and realize.
Specifically, with reference to Fig. 3, from right side, LED12R sends, utilizes right side light gathering reflector
The part of light for face 21Ra reflection, the movable light shield plate 32 being located behind near focus F
Block, thus blocked a part for the light of the central authorities' projection to vehicle front, formed and do not irradiate
The irradiation area A1b of the middle body of vehicle front.It addition, send from right side LED12R,
On the right side of utilization, the light α 4 of diffusely reflecting surface 21Rb reflection is not blocked and projects, before forming vehicle
Irradiation area A4 on the left of side.
Therefore, at vehicle front as shown in Figure 6, irradiation area A1b, A4 formed and only irradiate
The unilateral distance light light distribution patterns on the left of vehicle front the 1st.According to the 1st unilateral distance light with joining
Light pattern, will not be to the front driving of vehicle front and by the retrograde car generation on the right side of vehicle front
Dazzle, can make the front identity of this car improve.
Fig. 7 represents on the retrograde car right side by vehicle front, and in the unmatched driving of vehicle front
Effective 2nd unilateral distance light light distribution patterns during traveling.2nd unilateral distance light light distribution patterns
Can be as shown in Figure 2 by not being positioned at shading position at the movable light shield plate 32 making light-blocking member 30
Under the state put, right side LED12R lighting is only made to realize.
Specifically, with reference to Fig. 2, make right side LED12R lighting, and make light-blocking member 30
Movable light shield plate 32 be positioned at pedestal 5 side, so that not blocking the reflection from reflecting mirror 20
Light.Reflection light α 1 from right side spotlight camber 21Ra is incident upon the central authorities of vehicle front,
It is centrally formed irradiation area A1, from the reflection light of diffusely reflecting surface 21Rb at vehicle front
α 4 is incident upon the left side of vehicle front, forms irradiation area A4 in the left side of vehicle front.This
Time, owing to fixing dark slide 31 will utilize in the optical axis of spotlight camber 21Ra, 21La
The light of the regional reflex of the heart blocks, and therefore, forms Fig. 7 in the 2nd unilateral distance light light distribution patterns
Shown vertical "cut-off"line VCL.
Therefore, at vehicle front as it is shown in fig. 7, by irradiation area A1, A4 formed irradiation from
The unilateral distance light light distribution patterns in the 2nd of the left side wider area that vehicle front central authorities start.According to
2nd unilateral distance light light distribution patterns, will not produce by the retrograde car on the right side of vehicle front
Dazzle, can make the front identity of this car improve.
Shown in as described above, according to the lamps apparatus for vehicle 1 involved by present embodiment, pass through
The left and right being configured to make respective irradiation axis orienting reflex mirror 20 by a pair LED12L, 12R is anti-
Penetrate face 21L, 21R, such that it is able to improve the utilization rate of light beam, and by be configured to can be in order to
Multiple luminous intensity distribution is formed with the light-blocking member 30 with fixing dark slide 31 and movable light shield plate 32
Pattern, thus can form the vehicle lamp of the small mirrors with left and right reflecting surface integration
Tool, can realize being formed the lamps apparatus for vehicle 1 of the light distribution patterns of multiple high illumination simultaneously.
Additionally, in the above-described embodiment, left and right diffusely reflecting surface 21Lb, 21Rb are illustrated
As the face that the light injected from left and right LED12L, 12R is reflected the most in the opposite direction
Situation, but each diffusely reflecting surface 21Lb, 21Rb can also reflect as both direction to the left and right
Face.If so constituted, then can form the light distribution patterns irradiating wider scope equably.
Claims (2)
1. a lamps apparatus for vehicle, it has:
Projecting lens, it is configured on the upwardly extending optical axis in vehicle front and back；
A pair semiconductor light-emitting elements, it is left and right configuration across described optical axis；And
Reflecting mirror, it has the pair of right and left spotlight camber using described optical axis as center,
It is characterized in that,
Each described spotlight camber of reflecting mirror described in a pair, its horizontal profile is generally oblong
Shape, this ellipse is using each self-corresponding described semiconductor light-emitting elements as the 1st focus, with described throwing
The rear focus of shadow lens as the 2nd focus,
Described in a pair, semiconductor light-emitting elements is configured to, respective irradiation axis towards optical axis side and that
This relative and towards described reflecting mirror each described spotlight camber, makes via described projecting lens
Light irradiates along described optical axis direction front side,
This lamps apparatus for vehicle has:
Fixing dark slide, it is configured on described reflecting mirror, from the described spotlight camber of left and right
Boundary extend along described optical axis；And
Movable light shield plate, it can switch to shading position and not shading position, and this shading position is
On described optical axis and at the described rear side near focal point of described projecting lens, will be from described optically focused
Reflect the position that the part towards the incident light of described projecting lens is blocked,
When movable light shield plate is positioned at shading position, is formed and make light not be radiated at described lamps apparatus for vehicle
The light distribution patterns of central front part,
It is substantially that movable light shield plate is formed as at the section of described reflecting mirror side openingThe shape of shape
Shape, forms the extension extended parallel to described optical axis at the two ends, left and right of movable light shield plate, can
Dynamic dark slide is formed in the way of extension surrounds rear focus.
Lamps apparatus for vehicle the most according to claim 1, it is characterised in that
The exterior lateral area away from described optical axis on the described spotlight camber of described reflecting mirror, shape
Becoming diffusely reflecting surface, this scattered reflection carries out reflecting to irradiate the side of vehicle front in the face of light.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010162008A JP5592183B2 (en) | 2010-07-16 | 2010-07-16 | Vehicle lighting |
| JP2010-162008 | 2010-07-16 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102338337A CN102338337A (en) | 2012-02-01 |
| CN102338337B true CN102338337B (en) | 2016-11-09 |
Family
ID=44582208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110201462.6A Active CN102338337B (en) | 2010-07-16 | 2011-07-15 | Lamps apparatus for vehicle |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP2407710B1 (en) |
| JP (1) | JP5592183B2 (en) |
| CN (1) | CN102338337B (en) |
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| FR2982929B1 (en) * | 2011-11-22 | 2014-01-17 | Valeo Vision | LIGHT EMITTING DEVICE FOR MOTOR VEHICLE PROJECTOR |
| JP5988594B2 (en) | 2012-01-24 | 2016-09-07 | 株式会社小糸製作所 | Lamp unit and vehicle lamp |
| DE102012009596A1 (en) * | 2012-05-15 | 2013-11-21 | Docter Optics Se | Method for producing a headlight lens |
| JP6246007B2 (en) | 2014-02-05 | 2017-12-13 | 株式会社小糸製作所 | Vehicle lighting |
| CN103836484A (en) * | 2014-03-12 | 2014-06-04 | 奇瑞汽车股份有限公司 | Lamplight set of automobile headlamp |
| CN104913256B (en) * | 2014-03-14 | 2017-08-15 | 王正 | Vehicle lamp structure and its Lam-cup structure |
| JP6514510B2 (en) * | 2015-01-14 | 2019-05-15 | 株式会社小糸製作所 | Vehicle lamp |
| CN105782846B (en) * | 2016-03-28 | 2020-01-14 | 广州维思车用部件有限公司 | LED vehicle lighting device, LED vehicle headlamp and light emitting method of LED vehicle lighting device |
| FR3050011A1 (en) * | 2016-04-11 | 2017-10-13 | Valeo Vision | MODULE FOR TRANSMITTING A LUMINOUS BEAM FOR MOTOR VEHICLE PROJECTOR |
| JP2018006283A (en) * | 2016-07-08 | 2018-01-11 | 株式会社小糸製作所 | Vehicular lighting fixture |
| DE102016119321A1 (en) * | 2016-10-11 | 2018-04-12 | HELLA GmbH & Co. KGaA | Lighting device for a motor vehicle, in particular headlight of a motor vehicle |
| KR101975459B1 (en) * | 2016-10-25 | 2019-05-08 | 에스엘 주식회사 | Lamp for vehicle |
| CN108730795A (en) * | 2017-04-13 | 2018-11-02 | 诚益光电科技股份有限公司 | Light projection device |
| JP6840606B2 (en) * | 2017-04-14 | 2021-03-10 | スタンレー電気株式会社 | Lens body and vehicle lighting equipment |
| JP2019085076A (en) * | 2017-11-10 | 2019-06-06 | 株式会社小糸製作所 | Colored image drawing device |
| JP6898214B2 (en) * | 2017-12-08 | 2021-07-07 | マクセル株式会社 | Headlight device |
| TWI650256B (en) * | 2018-01-29 | 2019-02-11 | 誠益光電科技股份有限公司 | Smart headlight |
| CN109668111A (en) * | 2019-02-14 | 2019-04-23 | 华域视觉科技(上海)有限公司 | Automobile-used dipped headlight and automobile comprising it |
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| CN101178160A (en) * | 2006-11-09 | 2008-05-14 | 株式会社小糸制作所 | Lighting unit for vehicles |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2407710A2 (en) | 2012-01-18 |
| EP2407710B1 (en) | 2019-04-10 |
| JP2012022988A (en) | 2012-02-02 |
| JP5592183B2 (en) | 2014-09-17 |
| CN102338337A (en) | 2012-02-01 |
| EP2407710A3 (en) | 2017-11-29 |
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