CN208735544U - Headlight for automobile - Google Patents
Headlight for automobile Download PDFInfo
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- CN208735544U CN208735544U CN201821569875.3U CN201821569875U CN208735544U CN 208735544 U CN208735544 U CN 208735544U CN 201821569875 U CN201821569875 U CN 201821569875U CN 208735544 U CN208735544 U CN 208735544U
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- light
- emitting component
- dipped headlight
- headlight
- high beam
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Abstract
The purpose of this utility model is to provide a kind of headlight for automobile, can suitably control brightness and range of exposures when high beam is lighted.The headlight for automobile of the utility model has: at least one high beam light-emitting component (51)；At least one dipped headlight light-emitting component (41), (42)；Emission control circuit (40), the luminous intensity of the predetermined direction of the light projected when control high beam is lighted from dipped headlight light-emitting component.It is dimmed or excessively bright close to the diagonally forward of vehicle (100) side and vehicle (100) thereby, it is possible to inhibit the phenomenon that when high beam is lighted.
Description
Technical field
The utility model relates to headlight for automobile.
Background technique
As using automobile head lamp as the headlight for automobile of representative, it is known to the dipped headlight in addition to illuminating front at night
The headlamp that the light source of high beam etc. of farther place is illuminated than the dipped headlight is also equipped with outside light source.It is used from high beam
Light source light include more irradiated than dipped headlight top light.
Such as a kind of lamps apparatus for vehicle is disclosed in following patent document 1, have at least two reflector elements, this is anti-
Emitter unit includes the 1st and the 2nd light-emitting component being arranged side-by-side along the longitudinal direction and makes from the 1st and the 2nd light-emitting component
The reflector that is reflected towards front of emergent light.In the lamps apparatus for vehicle, the 1st light-emitting component by the light source as dipped headlight,
2nd light-emitting component is by the light source as high beam.
[citation]
[patent document]
Patent document 1: Japanese Unexamined Patent Publication 2016-72017 bulletin
Utility model content
[utility model will solve the problems, such as]
In the lamps apparatus for vehicle of above patent document 1, by making the 1st light-emitting component of above-mentioned each reflector element simultaneously
It lights, forms the light distribution patterns of dipped headlight.In addition, by making the 2nd light-emitting component of above-mentioned each reflector element while lighting, shape
At the light distribution patterns of high beam.However, the light source of high beam is usually than the light Xiang Gengyuan and cross of the light source from dipped headlight
To relatively narrow range illumination light.If there was only the light of the light source igniting of high beam and dipped headlight when high beam is lighted as a result,
Source is off, then from the point of view of driver, the nearby square illumination of vehicle may not be enough.On the other hand, when high beam is lighted
If the light source of dipped headlight and the light source of high beam are all lighted simultaneously, due to the light from dipped headlight light source, from
From the point of view of driver, the nearby side of vehicle is excessively bright, therefore feels that the light of irradiation distant place is relatively weak sometimes.
Therefore, the purpose of this utility model is to provide a kind of headlight for automobile, can suitably control high beam
Brightness and range of exposures when lighting.
[means used to solve the problem]
To solve the above-mentioned problems, the headlight for automobile of the utility model is characterized in that having: at least one distance light
Lamp light-emitting component；At least one dipped headlight light-emitting component；Emission control circuit makes at least one when high beam is lighted
A above-mentioned dipped headlight is lighted with light-emitting component, and by the light projected from least one above-mentioned dipped headlight with light-emitting component
Luminous intensity is controlled into brightness different when lighting from dipped headlight.
In above-mentioned headlight for automobile, when high beam is lighted, lighted by least one dipped headlight with light-emitting component,
It can inhibit the phenomenon that the nearby side of vehicle is dimmed from the point of view of driver.In addition, when high beam is lighted, by controlling from least
The luminous intensity for the light that one dipped headlight is projected with light-emitting component, becomes brightness different when lighting from dipped headlight, can
So that the nearby side of vehicle becomes brightness appropriate from the point of view of driver.In this way, in above-mentioned headlight for automobile, it can be appropriate
Brightness and range of exposures when control high beam is lighted.In addition, being lighted by emission control circuit close when high beam is lighted
The dipped headlight light-emitting component that light lamp light-emitting component and luminous intensity are controlled can be different from each other or mutually the same.
That is, can be a dipped headlight for example when high beam is lighted and be lit with light-emitting component, other dipped headlight members that shine
Part is off or by dim light, be also possible to a dipped headlight with light-emitting component to be lighted from dipped headlight when different luminance point
It is bright.
In addition, above-mentioned emission control circuit preferably when high beam is lighted, makes from least one above-mentioned dipped headlight with shining
The luminous strength ratio dipped headlight for the light that element projects is low when lighting.
The so-called luminous intensity for reducing the light projected from dipped headlight with light-emitting component, is put out not comprising dipped headlight with light-emitting component
The case where going out.As described above, dipped headlight is not off with light-emitting component when high beam is lighted, but reduces and sent out from dipped headlight
The luminous intensity for the light that optical element projects, the nearby side of vehicle brightens to a certain extent from the point of view of driver as a result, but can press down
System is excessively bright.
Additionally, it is preferred that having more than two above-mentioned dipped headlight light-emitting components, and above-mentioned emission control circuit is remote
When light lamp is lighted, the luminous intensity of the light projected from least one above-mentioned dipped headlight with light-emitting component and dipped headlight is made to light phase
Together.
Additionally, it is preferred that have more than two above-mentioned dipped headlight light-emitting components, and when high beam is lighted, above-mentioned hair
Light control circuit uses other at least one above-mentioned dipped headlights of the luminous strength ratio of at least one above-mentioned dipped headlight light-emitting component
The luminous intensity of light-emitting component is high, and luminous intensity is mentioned by the above-mentioned dipped headlight light-emitting component of relative reduction than luminous intensity relatively
High above-mentioned dipped headlight more irradiates the nearby side of vehicle with light-emitting component.
Multiple dipped headlight light-emitting components are controlled in this way, are easy to become at a distance from the point of view of driver when high beam is lighted
It becomes clear and the nearby side of vehicle can be inhibited excessively bright.
Additionally, it is preferred that having more than two above-mentioned dipped headlight light-emitting components, above-mentioned emission control circuit is in high beam
It when lighting, lights at least one above-mentioned dipped headlight with light-emitting component, and makes at least other one above-mentioned dipped headlight hairs
Optical element extinguishes.In this case, it is preferable to which the above-mentioned dipped headlight light-emitting component ratio being off when high beam is lighted is in high beam
The above-mentioned dipped headlight light-emitting component lighted when lighting more irradiates the nearby side of vehicle when dipped headlight is lighted.
By controlling multiple dipped headlight light-emitting components like this, when dipped headlight is lighted from the point of view of driver vehicle it is close
Front is bright enough, and is able to suppress when high beam is lighted that the nearby side of vehicle is excessively bright from the point of view of driver.
Additionally, it is preferred that having lamp unit, above-mentioned high beam light-emitting component is included；The above-mentioned dipped headlight member that shines
Part；And a reflector, reflect the light projected from above-mentioned high beam light-emitting component and above-mentioned dipped headlight with light-emitting component.
By making a lamp unit that there is high beam light-emitting component, dipped headlight light-emitting component and reflector, energy
The enough light from a lamp unit forms the light distribution patterns of dipped headlight and the light distribution patterns of high beam.Before vehicle is used as a result,
Illuminator can be miniaturized.
Additionally, it is preferred that having: the lamp unit of high beam, with above-mentioned high beam light-emitting component, and reflection from
One reflector of the light that above-mentioned high beam is projected with light-emitting component；And the lamp unit of dipped headlight, with above-mentioned close
Light lamp light-emitting component, and reflect a reflector of the light projected from above-mentioned dipped headlight with light-emitting component.
Sometimes it only is difficult to form the light distribution patterns of high beam appropriate with the light of the lamp unit from high beam.Pass through
Have the lamp unit of high beam and the lamp unit of dipped headlight, can be formed with the light of the lamp unit from high beam
A part of the light distribution patterns of high beam, and with the light distribution figure of the light reinforcement high beam of the lamp unit from dipped headlight
Case.
[utility model effect]
It is as described above, according to the utility model, be capable of providing it is a kind of can suitably control it is bright when high beam is lighted
The headlight for automobile of degree and range of exposures.
Detailed description of the invention
Fig. 1 is the signal main view for indicating the vehicle for the headlight for automobile for having in the 1st embodiment of the utility model
Figure.
Fig. 2 is the sectional view of the horizontal direction of a lamps and lanterns of the II-II line along Fig. 1.
Fig. 3 is the sectional view of the vertical direction of a lamps and lanterns of the III-III line along Fig. 1.
Fig. 4 is the sectional view of the vertical direction of other lamps and lanterns shown in visual angle same as Fig. 3.
(A) of Fig. 5 indicates that the light distribution patterns of dipped headlight, (B) of Fig. 5 indicate the light distribution patterns of high beam, (C) table of Fig. 5
Show the light distribution patterns illuminated in the daytime.
Fig. 6 is the schematic diagram for indicating the horizontal direction section of the lamps and lanterns of the 2nd embodiment of the utility model.
Fig. 7 is the schematic diagram for indicating the vertical direction section of the lamps and lanterns of the 2nd embodiment of the utility model.
Specific embodiment
Hereinafter, the mode of the headlight for automobile for implementing the utility model is illustrated together with attached drawing.It lifts below
The embodiment of example explanation is for the ease of understanding the utility model, rather than for being defined explanation to the utility model.
The utility model can be modified and be improved based on the following embodiments and the accompanying drawings in the case where not departing from purport.
(the 1st embodiment)
Fig. 1 is the schematic front view of the vehicle of the headlight for automobile for the 1st embodiment that explanation has the utility model.
As shown in Figure 1, left and right directions of the vehicle 100 in front has a headlight for automobile 1 respectively.A pair that vehicle 100 has
Headlight for automobile 1 is formed the symmetrical shape of left and right directions.In the headlight for automobile 1 of present embodiment, multiple lamps and lanterns
1a, 1b, 1c are mutually arranged horizontally-arrangedly, and lamps and lanterns 1a is configured in the outermost of vehicle 100, lamps and lanterns 1c is configured in vehicle 100
Bosom side, lamps and lanterns 1b is configured between lamps and lanterns 1a and lamps and lanterns 1c.In present embodiment, as will be explained below,
Lamps and lanterns 1a is by the lamps and lanterns as dipped headlight, and lamps and lanterns 1b is by the lamps and lanterns as high beam.Lamps and lanterns 1c can using with lamps and lanterns 1a,
The mutually the same composition of any one of 1b can also use composition different from each other.
<lamps and lanterns 1a>
Fig. 2 is from the sectional view for the horizontal direction of the line II-II along Fig. 1 seen upwardly, and Fig. 3 is the line III- along Fig. 1
The sectional view of the vertical direction of III.I.e., it is a left side of lamps and lanterns 1a that Fig. 2, which is the sectional view of the horizontal direction on the top of lamps and lanterns 1a, Fig. 3,
The sectional view of the vertical direction of the approximate centre of right direction.As shown in Figure 2 and Figure 3, a part as headlight for automobile 1
Lamps and lanterns 1a, have shell 10 and the lamp unit LUa that is incorporated in the shell 10.In the present embodiment, lamp unit
Lua is by the lamp unit as dipped headlight.
Shell 10 has lamp housing 11, front shroud 12 and back cover 13 and is used as main composition.The front openings of lamp housing 11, front shroud
12 are fixed on lamp housing 11 in a manner of closing the opening.In addition, forming the opening smaller than front, back cover at the rear of lamp housing 11
13 are fixed on lamp housing 11 in a manner of closing the opening.
By lamp housing 11, the opening in the front for sealing the lamp housing 11 front shroud 12, seal the lamp housing 11 rear opening
The space that back cover 13 is formed is lamp house LR, and lamp unit LUa is incorporated in this lamp house LR.
Lamp unit LUa has bearing part 30, reflector 20, two dipped headlight light-emitting components 41,42, light emitting control
Circuit 40 is used as main composition.
Bearing part 30 is metal component, has top plate 31, back plate 32, engaging portion 33.Top plate 31 is approximate horizontal
The sheet metal parts of extension, back plate 32 are the sheet metal parts substantially to extend to vertical.The rear end of top plate 31 and back plate 32
Upper end interconnect.In addition, engaging portion 33 is connected near the upper end of back plate 32.Engaging portion 33 is prolonged towards the rear from back plate 32
It stretches, the screw hole being open rearward is formed in engaging portion 33.Screw 35 is screwed into this screw hole from the outside of lamp housing 11, card
Determine portion 33 and is fixed on lamp housing 11.In addition, the lower side in back plate 32 is also formed with screw hole, outside spiral shell of the screw 34 from lamp housing 11
Enter in this screw hole, back plate 32 is fixed on lamp housing 11.So, back plate 32 is fixed on lamp with the state of substantially vertical
In the LR of room, the top plate 31 connecting with back plate 32 is also fixed in lamp house LR.In addition, by adjusting these screws 34,35, it can be with
The angle of micro-adjustment back plate 32, also can micro-adjustment top plate 31 therewith angle.
Reflector 20 is fixed on the lower surface of top plate 31.Reflector 20 has reflector body portion 24 and coating portion
23.Reflector body portion 24 is formed from a resin.Coating portion 23 is on the surface of the front side in reflector body portion 24, by aluminium etc.
The film that metal or metal oxide are constituted.The surface in this coating portion 23 is by the reflecting surface 23r as light.Reflecting surface 23r
Concave shape by being formed by opening direction for the free form surface based on the parabola of front side in this way.More specifically,
The shape in the section of the vertical direction of reflecting surface 23r is the shape below vertex when keeping substantially parabolical central axis horizontal
Shape, the shape in the section of the horizontal direction of reflecting surface 23r are the shapes comprising substantially parabolical vertex.However, reflecting surface 23r
Vertical direction the parabola in section and the parabola in section of horizontal direction be also possible to mutually different parabola.Separately
Outside, the shape of the reflecting surface 23r in the section of horizontal direction is also possible to not based on parabola, is also possible to for example ellipse
Shape or other concave shapes based on round a part.
In addition, there are two dipped headlight light-emitting components 41,42 for configuration in the lower surface of top plate 31.The dipped headlight member that shines
Part 41,42 projects the light at least as a part of dipped headlight respectively.Dipped headlight with light-emitting component 41,42 along the longitudinal direction side by side
Configuration.Dipped headlight light-emitting component 42 is configured in the parabolical coke in basis of the cross sectional shape of the vertical direction of reflecting surface 23r
Near point, dipped headlight light-emitting component 41 is configured in than dipped headlight light-emitting component 42 rearward.
LED (Light Emitting Diode: light-emitting diodes is for example respectively adopted with light-emitting component 41,42 in dipped headlight
Pipe).Dipped headlight is connected emission control circuit 40 with light-emitting component 41,42 respectively, can be according to from emission control circuit
40 power supply and project light.In addition, as described below, emission control circuit 40 is controlled when high beam is lighted from the dipped headlight member that shines
The intensity for the light that part 41,42 projects.
<lamps and lanterns 1b>
Fig. 4 and Fig. 3 is again it is indicate the figure of the section of the vertical direction of lamps and lanterns 1b.That is, Fig. 4 is the right and left of lamps and lanterns 1b
To the sectional view of the vertical direction of approximate centre.In the explanation of lamps and lanterns 1b, about the structure identical or same with lamps and lanterns 1a
At element, situation, otherwise marks same appended drawing reference and omits repeated explanation unless otherwise specifically stated.As shown in figure 4, as vehicle
With the lamps and lanterns 1b, the lamp unit LUb for having shell 10 and being incorporated in the shell 10 of a part of headlamp 1.This reality
The lamp unit Lub in mode is applied by the lamp unit as high beam.
Lamp unit LUb is incorporated in lamp house LR.In lamp unit LUb, a high beam is configured with light-emitting component 51
In the lower surface of top plate 31.High beam at least projects the light of a part as high beam with light-emitting component 51.In addition, high beam
With the configuration of light-emitting component 51 in front of the parabolical focus in basis of the section configuration of the vertical direction of reflecting surface 23r.High beam
With light-emitting component 51 for example, by using LED.High beam light-emitting component 51 is connected emission control circuit 50, can be according to coming from
The power supply of emission control circuit 50 and project light.
The movement and function and effect of the headlight for automobile 1 of present embodiment will be illustrated next.(A) of Fig. 5 indicates close
The light distribution patterns of light lamp, (B) of Fig. 5 indicate that the light distribution patterns of high beam, (C) of Fig. 5 indicate the light distribution patterns illuminated in the daytime.
> when < dipped headlight is lighted
In present embodiment, dipped headlight is irradiated by the light from two dipped headlights light-emitting component 41,42.
In (A) of Fig. 5, the range that solid line indicates is the range of the illuminated light from dipped headlight light-emitting component 42,
The range that dotted line indicates is the range of the illuminated light from dipped headlight light-emitting component 41.As shown in Figure 2 and Figure 3, two from close
The major part for light L41, L42 that light lamp is projected with light-emitting component 41 is reflected by reflecting surface 23r.Among this light L41, L42, from close
The light that the forefront side region of the light lamp exit portion of light-emitting component 42 projects, forms the light and shade of dipped headlight shown in (A) of Fig. 5
Dead line.In addition, dipped headlight light-emitting component 42 is configured in the cross sectional shape of the vertical direction of above-mentioned such reflecting surface 23r
The parabolical near focal point in basis, no matter existing from the light that the same area in the exit portion of dipped headlight light-emitting component 42 projects
Which of reflecting surface 23r is partially reflected, and all becomes light generally parallel to each other after reflection.On the other hand, dipped headlight, which is used, shines
Element 41 is configured in the rear of dipped headlight light-emitting component 42 as described above, and the light L42 reflected by reflecting surface 23r is at least
A part is irradiated on the lower to the "cut-off"line than above-mentioned dipped headlight.In this way, forming matching for dipped headlight shown in (A) of Fig. 5
Light pattern.
> when < high beam is lighted
In the present embodiment, high beam is in addition to by the light L42 from dipped headlight light-emitting component 42, also by coming from distance light
The light of lamp light-emitting component 51 irradiates.As shown in figure 4, the light L51 projected from high beam with light-emitting component 51 is mostly by reflecting surface
23r reflection.High beam is configured in the base of the cross sectional shape of the vertical direction of reflecting surface 23r with light-emitting component 51 as described above
In front of the parabolical focus of plinth.Therefore, by least part of the reflecting surface 23r light L51 reflected to brighter than above-mentioned dipped headlight
Dark dead line irradiates against the top.In addition, being controlled by emission control circuit 40 from dipped headlight light-emitting component when high beam is lighted
41, the luminous intensity of the light of 42 light L41, L42 projected.Specifically, in the present embodiment, dipped headlight light-emitting component 42
It is equally lit when being lighted with dipped headlight, and dipped headlight light-emitting component 41 is off.In such manner, it is possible to by coming from dipped headlight
With the light L42 of light-emitting component 42 and the light L51 from high beam light-emitting component 51, wider light distribution figure in above-below direction is formed
Case.That is, being capable of forming the light distribution patterns of the wide range from the nearby side of vehicle to distant place from the point of view of driver.
> when illumination is lighted between < days
By a part among lamps and lanterns 1a~1c as illuminating lamps and lanterns in the daytime, in irradiation illuminating light in the daytime
In the case of, form the light distribution patterns illuminated in the daytime shown in (C) of Fig. 5.
As described above, when high beam is lighted, passing through emission control circuit in the headlight for automobile 1 of present embodiment
40, a dipped headlight light-emitting component 42 is lit, and the strong light of the light projected from a dipped headlight with light-emitting component 42
Degree brightness different when being controlled so as to light from dipped headlight.Specifically, as described above, dipped headlight light-emitting component 42 and close
Light lamp is similarly lit when lighting, and dipped headlight light-emitting component 41 is off.In this way, by lighting time point in high beam
Bright at least one dipped headlight light-emitting component 42 is able to suppress the nearby dimmed situation in side of the vehicle 100 from the point of view of driver.Separately
Outside, when high beam is lighted, at least one dipped headlight light-emitting component 41 is off, and thereby, it is possible to inhibit from the point of view of driver
The nearby side of vehicle 100 became bright situation.In this way in the headlight for automobile of present embodiment 1, can suitably it control
Make the brightness and range of exposures when high beam is lighted.
In addition, the dipped headlight being off when high beam is lighted is first with shining in the headlight for automobile 1 of present embodiment
Part 41 comes when dipped headlight is lighted from driver compared with the dipped headlight lighted when high beam is lighted is with light-emitting component 42
See the nearby side for more irradiating vehicle 100.In this way, being able to suppress high beam point by dipped headlight light-emitting component 41,42 irradiation lights
The nearby side of vehicle 100 became bright situation from the point of view of driver when bright, can inhibit the light of distant place and nearby square light phase
The relatively darker situation than seeming.
In addition, the headlight for automobile 1 of present embodiment includes: the lamp unit LUb of high beam, with high beam
With light-emitting component 51, and the reflector 20 of light L51 that reflection is projected from high beam with light-emitting component 51；And dipped headlight is used
Lamp unit LUa, with dipped headlight light-emitting component 41,42, and reflection is projected from dipped headlight light-emitting component 41,42
Light L41, L42 a reflector 20.Only it is difficult to form distance light appropriate with the light of the lamp unit LUb from high beam
When the light distribution patterns of lamp, by having the lamp unit LUb of high beam and the lamp unit of dipped headlight as so above-mentioned
LUa can use the light of the lamp unit LUb from high beam to form a part of the light distribution patterns of high beam, and with coming from
The light distribution patterns of the light reinforcement high beam of the lamp unit LUa of dipped headlight.
(the 2nd embodiment)
Next, the 2nd embodiment of the utility model is described in detail referring to Fig. 6 and Fig. 7.In addition, implementing about with the 1st
The identical or same constituent element of mode, situation, otherwise marks identical symbol and omits duplicate unless otherwise specifically stated
Explanation.
Fig. 6 is the schematic diagram of the horizontal direction section of the lamps and lanterns in the 2nd embodiment for indicate the utility model.Fig. 6 with
Fig. 2 again it is the horizontal direction on the top of the lamps and lanterns 1a of present embodiment sectional view.In addition, Fig. 7 is to indicate the utility model
The 2nd embodiment in lamps and lanterns vertical direction section schematic diagram.Fig. 7 and Fig. 3 again it is present embodiment lamps and lanterns 1a
Left and right directions approximate centre vertical direction sectional view.
The lamps and lanterns 1a of present embodiment and above-mentioned first embodiment the difference is that, have a dipped headlight respectively and use
Light-emitting component 42 and a high beam light-emitting component 51.In the lamps and lanterns 1a of present embodiment, the dipped headlight when dipped headlight is lighted
It is lit with light-emitting component 42, and high beam light-emitting component 51 is off.In addition, emission control circuit 40 is in high beam point
It lights high beam light-emitting component 51 when bright, and keeps the luminous strength ratio of the light projected from dipped headlight light-emitting component 42 close
Light lamp is low when lighting.The so-called luminous intensity for making dipped headlight light-emitting component 42 reduces, and does not include dipped headlight light-emitting component 42
The case where being off.
Make to use from dipped headlight by not extinguishing dipped headlight light-emitting component 42 when high beam is lighted as described above
The luminous intensity for the light that light-emitting component 42 projects reduces, and from the point of view of driver, the nearby side of vehicle 100 brightens to a certain extent,
But it can inhibit the phenomenon that excessively to brighten.
In addition, the lamp unit LUa of present embodiment includes high beam light-emitting component 51；Dipped headlight light-emitting component
42；And a reflector 20, reflect the light projected from high beam light-emitting component 51 and dipped headlight light-emitting component 42
L42,L51.One lamp unit LUa passes through with high beam light-emitting component 51, dipped headlight light-emitting component 42 and reflection
Device 20 can form the light distribution patterns of dipped headlight and the light distribution patterns of high beam with the light from a lamp unit LUa.By
This, headlight for automobile can be miniaturized.
Above with respect to the utility model, it is illustrated by taking above embodiment as an example, but the utility model and unlimited
Due to above embodiment.
For example, the number of dipped headlight light-emitting component and high beam light-emitting component is not particularly limited respectively.Cause
This, such as the lamp unit LUa of above-mentioned 2nd embodiment can also have multiple dipped headlight light-emitting components.In addition, above-mentioned
The lamp unit LUa of 1 embodiment can also have three or more dipped headlight light-emitting components.Have more than two dipped headlights
When with light-emitting component, preferably emission control circuit 40 controls multiple dipped headlights member that shines when high beam is lighted as follows
Part.That is, preferably at least a dipped headlight is lit with light-emitting component, and an at least other dipped headlight light-emitting component quilt
Extinguish or keeps luminous strength ratio dipped headlight low when lighting.In the case, it is off or dipped headlight that luminosity is lowered is used
Light-emitting component, compared with the dipped headlight light-emitting component being lit when high beam is lighted, when dipped headlight is lighted from driver
From the point of view of more irradiate vehicle nearby side.
In addition, emission control circuit 40 is in high beam in the case where having more than two dipped headlight light-emitting components
When lighting, preferably make the luminous intensity of the light projected from least one dipped headlight with light-emitting component identical when lighting with dipped headlight,
And keep the luminous strength ratio dipped headlight of the light projected from least other dipped headlights with light-emitting component low when lighting.Pass through
Dipped headlight light-emitting component is controlled like this, when dipped headlight is lighted, the nearby side of vehicle 100 is bright enough from the point of view of driver,
And it is able to suppress the case where nearby side of vehicle 100 excessively brightens from the point of view of driver when high beam is lighted.
In addition, in the case where having more than two dipped headlight light-emitting components, can also when high beam is lighted from
The reduction when luminous intensity for the light that whole dipped headlights are projected with light-emitting component is all lighted than dipped headlight.
In addition, in the above-described embodiment, the number of lamps and lanterns is not specifically limited.In the case where having multiple lamps and lanterns,
The position of each lamps and lanterns is not specifically limited.Thus, for example in the above-described embodiment, lamps and lanterns 1a can be only fitted to vehicle 100
Outermost, lamps and lanterns 1a also can be only fitted to the bosom side of vehicle 100.
In addition, in the above-described embodiment, in dipped headlight light-emitting component 41,42 or high beam light-emitting component 51
It is illustrated for lower section configuration 20 mode of reflector, but reflector 20 can also be arranged on dipped headlight light-emitting component
41,42 or high beam light-emitting component 51 top.At this point, the positional relationship in the front-back direction of each light-emitting component and above-mentioned reality
It is opposite to apply mode.
In addition, in above embodiment, has been illustrated and use LED as dipped headlight light-emitting component 41,42 and remote
The case where light lamp light-emitting component 51, but dipped headlight light-emitting component 41,42 and high beam light-emitting component 51 are also possible to
Laser light source or other light sources.
In addition, in the above-described embodiment, having been illustrated makes the reflection of reflector 20 from dipped headlight light-emitting component 41,42
And the lamps and lanterns of the so-called parabolic shape of light that high beam is projected with light-emitting component 51, however the preceding photograph of the vehicle of the utility model
Lamps and lanterns used by lamp are not limited to which.Lamps and lanterns used by the headlight for automobile of the utility model be also possible to make from
The lamps and lanterns for the projection type that the light that light-emitting component projects is projected by convex lens, or pass through the light for carrying out self-emission device directly
Mirror and the lamps and lanterns of Directing lenses type projected.
In addition, in the case where having multiple dipped headlight light-emitting components, when high beam is lighted, emission control circuit
It can make at least one other dipped headlight light-emitting component of the luminous strength ratio of the light of at least one dipped headlight light-emitting component
Luminous intensity it is high.In this case, it is preferable to which the dipped headlight light-emitting component that luminous intensity is relatively lowered compares luminous intensity
The dipped headlight improved relatively more irradiates the nearby side of vehicle with light-emitting component.It shines in this way, being used by the multiple dipped headlights of control
Element, when high beam is lighted, a distant place is easy to become bright and the nearby side of vehicle can be inhibited excessively to become from the point of view of driver
It is bright.
In addition, in explanation before, having been illustrated makes to project from dipped headlight with light-emitting component when high beam is lighted
Light example dimmed when being lighted than dipped headlight, however can also make to project from dipped headlight with light-emitting component when high beam is lighted
Light it is bright when being lighted than dipped headlight.When high beam is lighted, pass through the light that will be projected from least one dipped headlight with light-emitting component
Luminous intensity control into brightness different when being lighted from dipped headlight, enable to the nearby side of from the point of view of driver vehicle to become
Brightness appropriate.
[Industrial Availability]
As described above, a kind of brightness that can be suitably controlled when high beam is lighted can be provided by the utility model
And the headlight for automobile of range of exposures.The headlight for automobile can be sharp in field of the headlight for automobile of automobile etc. etc.
With.
[label declaration]
1... headlight for automobile
1a, 1b, 1c... lamps and lanterns
10... shell
20... reflector
41,42... dipped headlight light-emitting components
50... emission control circuit
51... high beam light-emitting component
LUa, LUb... lamp unit
Claims (8)
1. a kind of headlight for automobile characterized by comprising
At least one high beam light-emitting component,
At least one dipped headlight light-emitting component, and
Emission control circuit lights at least one above-mentioned dipped headlight with light-emitting component when high beam is lighted, and will be from
The luminous intensity for the light that at least one above-mentioned dipped headlight is projected with light-emitting component is controlled into brightness different when lighting from dipped headlight.
2. headlight for automobile as described in claim 1, which is characterized in that
Above-mentioned emission control circuit makes the light projected from least one above-mentioned dipped headlight light-emitting component when high beam is lighted
Luminous strength ratio dipped headlight is low when lighting.
3. headlight for automobile as described in claim 1, which is characterized in that
Have more than two above-mentioned dipped headlight light-emitting components,
Above-mentioned emission control circuit makes the light projected from least one above-mentioned dipped headlight light-emitting component when high beam is lighted
It is identical when luminous intensity is lighted with dipped headlight.
4. headlight for automobile as described in claim 1, which is characterized in that
Have more than two above-mentioned dipped headlight light-emitting components,
When high beam is lighted, above-mentioned emission control circuit makes the luminous strength ratio of at least one above-mentioned dipped headlight light-emitting component
The luminous intensity of other at least one above-mentioned dipped headlight light-emitting components is high, and luminous intensity is by the above-mentioned dipped headlight of relative reduction
Vehicle nearby side is more irradiated with light-emitting component with the light-emitting component above-mentioned dipped headlight improved more opposite than luminous intensity.
5. headlight for automobile as described in claim 1, which is characterized in that
Have more than two above-mentioned dipped headlight light-emitting components,
Above-mentioned emission control circuit lights at least one above-mentioned dipped headlight with light-emitting component when high beam is lighted, and makes
At least other above-mentioned dipped headlight is extinguished with light-emitting component.
6. headlight for automobile as claimed in claim 5, which is characterized in that
The above-mentioned dipped headlight being off when high beam is lighted is with light-emitting component than the above-mentioned dipped beam lighted when high beam is lighted
Lamp light-emitting component more illuminates the nearby side of vehicle when dipped headlight is lighted.
7. headlight for automobile as described in claim 1 characterized by comprising
Lamp unit with the high beam light-emitting component, dipped headlight light-emitting component and is reflected from above-mentioned remote
One reflector of the light that light lamp light-emitting component and above-mentioned dipped headlight are projected with light-emitting component.
8. headlight for automobile as described in claim 1 characterized by comprising
The lamp unit of high beam, it is first with shining from above-mentioned high beam with above-mentioned high beam light-emitting component, and reflection
One reflector of the light that part projects, and
The lamp unit of dipped headlight, it is first with shining from above-mentioned dipped headlight with above-mentioned dipped headlight light-emitting component, and reflection
One reflector of the light that part projects.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017-196180 | 2017-10-06 | ||
| JP2017196180 | 2017-10-06 |
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| CN208735544U true CN208735544U (en) | 2019-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821569875.3U Active CN208735544U (en) | 2017-10-06 | 2018-09-26 | Headlight for automobile |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109630974A (en) * | 2017-10-06 | 2019-04-16 | 株式会社小糸制作所 | Headlight for automobile |
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2018
- 2018-09-26 CN CN201821569875.3U patent/CN208735544U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109630974A (en) * | 2017-10-06 | 2019-04-16 | 株式会社小糸制作所 | Headlight for automobile |
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