CN109708068A - Lamp unit for vehicle and lamps apparatus for vehicle - Google Patents
Lamp unit for vehicle and lamps apparatus for vehicle Download PDFInfo
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- CN109708068A CN109708068A CN201811244449.7A CN201811244449A CN109708068A CN 109708068 A CN109708068 A CN 109708068A CN 201811244449 A CN201811244449 A CN 201811244449A CN 109708068 A CN109708068 A CN 109708068A
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- reflecting surface
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- projecting lens
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Abstract
Lamp unit for vehicle and lamps apparatus for vehicle are provided.The 2nd optical system with the 1st optical system and formation distance light light distribution patterns that form dipped beam light distribution patterns, 1st optical system includes the 1st tubular reflecting surface, its front opening is bigger than open rearward end and cone-shaped with being narrowed from front opening towards open rearward end, is made of the 1st reflecting surface for being set to up and down；1st light source, it is opposite disposed with open rearward end；And the 1st projecting lens, it is opposite disposed with front opening, focus is located near the front-end edge for being set to the reflecting surface of lower section in the 1st reflecting surface, 2nd optical system includes the 2nd tubular reflecting surface, its front opening is bigger than open rearward end and cone-shaped with being narrowed from front opening towards open rearward end, is made of the 2nd reflecting surface for being set to up and down；2nd light source, it is opposite disposed with open rearward end；And the 2nd projecting lens, opposite disposed with the front opening, focus is arranged near the 2nd light source.
Description
Technical field
The present invention relates to lamp unit for vehicle and lamps apparatus for vehicle.
Background technique
In the past, the 1st optical system and the 2nd optical system that have with configuration side by side (for example, up and down side by side) are proposed
Lamps apparatus for vehicle (for example, referring to patent document 1 (Fig. 3 etc.)).
Patent document 1: Japanese Unexamined Patent Publication 2016-001616 bulletin
But in the lamps apparatus for vehicle documented by patent document 1, an optical system be configured to direct projection type (
Referred to as direct light type) optical system, another optical system is configured to the optical system of projector type, and accordingly, there exist lamps and lanterns to exist
The elongated project of size on vehicle front-rear direction.
Summary of the invention
The present invention has been made in view of the above-described circumstances, and an object thereof is to provide one kind can make on vehicle front-rear direction
The lamp unit for vehicle that size shortens.
In order to achieve the above objectives, one aspect of the present invention is a kind of lamps apparatus for vehicle, which has shape
At the 1st optical system of dipped beam light distribution patterns and the 2nd optical system of formation distance light light distribution patterns, the 1st optical system
System includes the 1st tubular reflecting surface, and front opening is bigger than open rearward end and narrows with from front opening towards open rearward end
To be cone-shaped, it is made of the 1st reflecting surface for being set to up and down；1st light source, it is opposite disposed with the open rearward end；With
And the 1st projecting lens, it is opposite disposed with the front opening, focus be located at it is in the 1st reflecting surface, be set to lower section
Reflecting surface front-end edge near, make from the 1st direct light of light source and coming from by the 1st tubular reflective surface
The reflected light of 1st light source is irradiated forwards, the front-end edge shape of reflecting surface in the 1st reflecting surface, being set to lower section
As shape corresponding with the "cut-off"line of the dipped beam light distribution patterns, it is anti-that the 2nd optical system includes the 2nd tubular
Face is penetrated, front opening is bigger than open rearward end and cone-shaped with being narrowed from front opening towards open rearward end, by being arranged
It is constituted in the 2nd reflecting surface up and down；2nd light source, it is opposite disposed with the open rearward end；And the 2nd projecting lens,
Opposite disposed with the front opening, focus is arranged near the 2nd light source, make direct light from the 2nd light source and
Irradiated forwards by the reflected light from the 2nd light source of the 2nd tubular reflective surface, the 1st optical system and
2nd optical system configures side by side, and the 1st light source and the 2nd light source configuration are in the 1st plane, the 1st projection
Lens and the 2nd projecting lens configuration are on than the 1st plane the 2nd plane on the front.
According to this aspect, compared with the above-mentioned prior art, a kind of can shorten on vehicle front-rear direction can be provided
The lamp unit for vehicle of size.
This is realized by making the 1st optical system and the 2nd optical system be configured to the optical system of direct projection type
's.
In addition, can provide the 1st light source of one kind according to this aspect and the 2nd light source configures in identical 1st plane simultaneously
And the 1st projecting lens and simple structure of the 2nd projecting lens configuration in identical 2nd plane lamp unit for vehicle.
This is realized in the following way, and the 1st tubular reflecting surface is arranged between the 1st projecting lens and the 1st light source,
The focus for the 1st projecting lens for keeping focal length relatively short is located near the front-end edge for being set to the reflecting surface of lower section and makes coke
Focus away from the 2nd relatively long projecting lens is located near the 2nd light source.
In addition, in the present invention as stated above, preferred mode is characterized in that, the 1st light source and the 2nd light source are mounted on
On same substrate, the 1st projecting lens and the 2nd projecting lens are integrally formed.
According to which, it is capable of providing the 1st light source of one kind and the configuration of the 2nd light source on the same substrate and the 1st projection is saturating
Mirror and the 2nd projecting lens are integrally formed, hold easy-to-assemble lamp unit for vehicle.
It is in the 2nd reflecting surface, be set to lower section in addition, in the present invention as stated above, preferred mode is characterized in that
Reflecting surface includes the extended extension reflecting surface forwards compared with the reflecting surface for being set to top.
According to which, thickness that distance light light distribution patterns can be made, more top than horizontal line vertical direction be greater than than
The thickness of the vertical direction of horizontal line on the lower.
This is to pass through, and the reflecting surface for being set to lower section includes extended forwards compared with the reflecting surface for being set to top prolongs
Long reflecting surface is realized.
One aspect of the present invention is a kind of lamps apparatus for vehicle, forms distance light light distribution patterns, the lamps apparatus for vehicle
It is characterized in that, comprising: tubular reflecting surface, front opening is bigger than open rearward end and becomes with from front opening towards open rearward end
It is narrow to be cone-shaped, be made of the reflecting surface for being set to up and down；Light source, it is opposite disposed with the open rearward end；And it throws
Shadow lens, opposite disposed with the front opening, focus is arranged near the light source, makes the direct projection from the light source
Light and irradiated forwards by the reflected light from the light source of the tubular reflective surface, be set to it is described up and down
Reflecting surface in reflecting surface, being set to lower section includes the extended extension reflection forwards compared with the reflecting surface for being set to top
Face.
According to the side, thickness that distance light light distribution patterns can be made, more top than horizontal line vertical direction be greater than than
The thickness of the vertical direction of horizontal line on the lower.
This is to pass through, and the reflecting surface for being set to lower section includes extended forwards compared with the reflecting surface for being set to top prolongs
Long reflecting surface is realized.
Detailed description of the invention
Fig. 1 is the perspective view of lamp unit for vehicle 10.
Fig. 2 is the main view of lamp unit for vehicle 10.
Fig. 3 is the vertical cross-sectional view of lamp unit for vehicle 10.
Fig. 4 is the horizontal cross of the 1st optical system.
Fig. 5 is the horizontal cross of the 2nd optical system.
(a) of Fig. 6 is the perspective view of the 2nd tubular reflecting surface 31, is (b) the 2nd tubular reflecting surface 31 shown in Fig. 6 (c)
K-K cross-sectional view, (c) be the 2nd tubular reflecting surface 31 main view, be (d) the 2nd tubular reflecting surface 31 shown in Fig. 6 (c)
J-J cross-sectional view.
(a) of Fig. 7 is dipped beam light distribution patterns PLoExample, be (b) distance light light distribution patterns PHiExample, (c) be by
The light distribution patterns P that the light controlled by the lens section 33L in left side is formedHi_1Example, (d) be by by right side lens section 33R control
The light distribution patterns P that the light of system is formedHi_2Example.
Fig. 8 is the figure for illustrating the 2nd projecting lens 33 and the relationship of light source picture.
Fig. 9 is the figure for illustrating the 2nd projecting lens 33 and the relationship of light source picture.
Figure 10 is the figure for illustrating the 2nd projecting lens 33 and the relationship of light source picture.
Figure 11 is the feelings for illustrating that the 1st optical system 20 is configured to downside, the 2nd optical system 30 is configured to upside
The figure of problem under condition.
Label declaration
10: lamp unit for vehicle；20: the 1 optical systems；21: the 1 tubular reflectings surface；21b1: front-end edge；22: the 1
Light source；23: the 1 projecting lens；23b: the back side；30: the 2 optical systems；31: the 2 tubular reflectings surface；31b1: extend reflecting surface；
32: the 2 light sources；33: the 2 projecting lens；40: holding member.
Specific embodiment
Hereinafter, being illustrated referring to lamp unit for vehicle 10 of the attached drawing to embodiment of the present invention.In the drawings, right
Corresponding constituent element marks same label, and the repetitive description thereof will be omitted.
Fig. 1 is the perspective view of lamp unit for vehicle 10.
Lamp unit for vehicle 10 shown in FIG. 1 is headlight for automobile (head lamp), before being equipped on vehicle (not shown)
The left and right side of end.Although it is not shown, still, lamp unit for vehicle 10 is configured at the lamp being made of outer lens and shell
Interior, and on being mounted on shell etc..
Fig. 2 is the main view of lamp unit for vehicle 10.Fig. 3 is the vertical cross-sectional view of lamp unit for vehicle 10, and Fig. 4 is
The horizontal cross of 1st optical system, Fig. 5 are the horizontal cross of the 2nd optical system.
As shown in fig. 1~fig. 5, the lamp unit for vehicle 10 of present embodiment has form dipped beam light distribution patterns the
1 optical system 20 and the 2nd optical system 30 for forming distance light light distribution patterns.1st optical system 20 and the 2nd optical system 30
As configured side by side in the up-down direction.Specifically, the 1st optical system 20 is configured at upside, the 2nd optical system 30 is configured at
Downside.Alternatively, it is also possible in contrast, the 1st optical system 20 is configured at downside, the 2nd optical system 30 is configured at upside.
In addition, the 1st optical system 20 and the 2nd optical system 30 can configure side by side in the lateral direction, it can also be in inclined direction
On configure side by side.
As shown in Figure 3, Figure 4, the 1st optical system 20 is saturating with the 1st tubular reflecting surface 21, the projection of the 1st light source 22 and the 1st
The optical system of the direct projection type (also referred to as direct light type) of mirror 23.1st tubular reflecting surface 21, the projection of the 1st light source the 22, the 1st are saturating
Mirror 23 is configured along the 1st optical axis AX1 that vehicle front-rear direction extends.
To be front opening A1 bigger than open rearward end A2 and opens with from front opening A1 towards rear end for 1st tubular reflecting surface 21
Mouthful A2 and the tubular reflecting surface for being narrowed cone-shaped (tetrapyamid shape), by be set to reflecting surface 21a, 21b up and down, 21c,
21d is constituted.Hereinafter, being denoted as reflecting surface 21 in the case where not distinguishing especially reflecting surface 21a, 21b, 21c, 21d.Reflecting surface 21
For an example of the 1st reflecting surface of the invention.
The front-end edge 21b1 (edge part) of reflecting surface 21b below being set to is configured to the light and shade with dipped beam light distribution patterns
The corresponding shape of dead line.Although it is not shown, still, front-end edge 21b1 has the stepped part of Z-type.
As shown in Figure 3, Figure 4, the 1st tubular reflecting surface 21 shape opposite in open rearward end A2 and the 1st light source 22 (light-emitting surface)
It is maintained under state on holding member 40, so that the light from the 1st light source 22 (light-emitting surface) passes through in the 1st tubular reflecting surface 21.
The open rearward end A2 of 1st tubular reflecting surface 21 surrounds the 1st light source 22 (light-emitting surface) (not shown) in front observation.
1st tubular reflecting surface 21 is for example by will be inserted into threaded hole N1, the N2 for being set to the left and right sides and be formed in base
The bolt (not shown) in threaded hole (not shown) on plate K is screwed to holding member 40 and is maintained at holding member 40
On.
1st light source 22 is the semiconductor light-emitting elements such as LED, LD of light-emitting surface with rectangle (for example, the angle 1mm).1st light
Source 22 is mounted on substrate K in the state of by light-emitting surface towards front (front).The quantity of 1st light source 22 is not particularly limited,
It can be 1, be also possible to multiple.In the case where multiple, the 1st light source 22 is configured to a column in the horizontal direction.Substrate K is logical
The modes such as screw threads for fastening are crossed to be maintained on holding member 40.
1st projecting lens 23 is in the back side 23b of the 1st projecting lens 23 and A1 couples of front opening of the 1st tubular reflecting surface 21
Be maintained in the state of setting on holding member 40 so that have passed through the 1st tubular reflecting surface 21, (shine from the 1st light source 22
Face) direct light and reflected light from the 1st tubular reflecting surface 21 through (referring to Fig. 3, Fig. 4).
As shown in Figure 1 and Figure 2, by carrying out injection molding to transparent resins such as acrylic resin, polycarbonate, the 1st is thrown
Shadow lens 23 are integrally formed together with the 2nd projecting lens 33, foot 50, and the 1st projecting lens 23 is set to by that will be inserted into
(not shown) bolt in threaded hole N5, N6 of foot 50 is maintained at holding member 40 to be screwed to holding member 40
On.
As shown in Fig. 2, the 1st projecting lens 23 is configured to following lens, shape when front is observed is that rectangle is cut
Fall shape (octagon-shaped) obtained from four angles.
As shown in figure 3, the focus F of the 1st projecting lens 2323Positioned at the front-end edge 21b1 for the reflecting surface 21b for being set to lower section
Near.
In the 1st optical system 20 of above structure, when lighting 1 light source 22, direct light from the 1st light source 22 and
Reflected light from the 1st tubular reflecting surface 21 is through the 1st projecting lens 23 and irradiates forwards.At this point, using the 1st light source is come from
22 direct light and reflected light from the 1st tubular reflecting surface 21 and the front opening A1 for being formed in the 1st tubular reflecting surface 21
Light distribution is inverted projection by the 1st projecting lens 23 forwards.Dipped beam light distribution patterns P is formed as a result,Lo。
(a) of Fig. 7 is dipped beam light distribution patterns PLoExample.It is shown in (a) of Fig. 7 and vehicle front surface face
The dipped beam light distribution patterns P formed on virtual vertical screen (being configured at the front away from about 25 meters of vehicle front surface)LoAn example.Closely
Light light distribution patterns PLoUpper edge include as be set to lower section reflecting surface 21b front-end edge 21b1 as defined in "cut-off"line
CL。
As shown in figs. 3 and 5, the 2nd optical system 30 is saturating with the 2nd tubular reflecting surface 31, the projection of the 2nd light source 32 and the 2nd
The optical system of the direct projection type (also referred to as direct light type) of mirror 33.2nd tubular reflecting surface 31, the projection of the 2nd light source the 32, the 2nd are saturating
Mirror 33 is configured on the 2nd optical axis AX2 extend along vehicle front-rear direction, parallel with the 1st optical axis AX1.
(a) of Fig. 6 is the perspective view of the 2nd tubular reflecting surface 31, and (b) of Fig. 6 is the reflection of the 2nd tubular shown in Fig. 6 (c)
The K-K cross-sectional view in face 31, (c) of Fig. 6 are the main views of the 2nd tubular reflecting surface 31, and (d) of Fig. 6 is the 2nd shown in Fig. 6 (c)
The J-J cross-sectional view of tubular reflecting surface 31.
As shown in fig. 6, to be front opening B1 bigger than open rearward end B2 and with from front opening B1 for the 2nd tubular reflecting surface 31
The tubular reflecting surface of cone-shaped (tetrapyamid shape) is narrowed, by being set to reflecting surface up and down towards open rearward end B2
31a, 31b, 31c, 31d are constituted.Hereinafter, being denoted as reflecting surface in the case where not distinguishing especially reflecting surface 31a, 31b, 31c, 31d
31.Reflecting surface 31 is an example of the 2nd reflecting surface of the invention.
As shown in figs. 3 and 5, the 2nd tubular reflecting surface 31 shape opposed with the 2nd light source 32 (light-emitting surface) in open rearward end B2
It is maintained under state on holding member 40, so that the light from the 2nd light source 32 (light-emitting surface) passes through in the 2nd tubular reflecting surface 31.
The open rearward end B2 of 2nd tubular reflecting surface 31 surrounds the 2nd light source 32 (light-emitting surface) (not shown) in front observation.
2nd tubular reflecting surface 31 is for example by will be inserted into threaded hole N3, the N4 for being set to the left and right sides and be formed in base
The bolt (not shown) in threaded hole (not shown) on plate K is screwed to holding member 40 and is maintained at holding member 40
On.
As shown in Fig. 3, Fig. 6, be set to lower section reflecting surface 31b include be set to top reflecting surface 31a compared with to
The extended extension reflecting surface 31b1 in front.
2nd light source 32 is the semiconductor light-emitting elements such as LED, LD of light-emitting surface with rectangle (for example, the angle 1mm).2nd light
Source 32 is mounted on substrate K in the state of making light-emitting surface towards front (front).The quantity of 2nd light source 32 is not particularly limited,
It can be 1, be also possible to multiple.In the case where multiple, the 2nd light source 32 is configured to a column in the horizontal direction.
As described above, the 1st light source 22 and the 2nd light source 32 configure mounting surface (the plane PL1 in substrate K.Referring on Fig. 3).
The mounting surface (plane PL1) of substrate K is the plane vertical with the 1st optical axis AX1 (and the 2nd optical axis AX2).The mounting surface of substrate K is (flat
Face PL1) be the 1st plane of the invention an example.
2nd projecting lens 33 is in the back side 33b of the 2nd projecting lens 33 and B1 couples of front opening of the 2nd tubular reflecting surface 31
It is maintained in the state of setting on holding member 40, so that by the 2nd tubular reflecting surface 31 from the 2nd light source 32 (light-emitting surface)
Direct light and reflected light from the 2nd tubular reflecting surface 31 are through (referring to Fig. 3, Fig. 5).
As shown in Figure 1 and Figure 2, the 2nd projecting lens 33 is molded as one together with the 1st projecting lens 23, foot 50, is passed through
The bolt (not shown) being inserted into threaded hole N5, the N6 for being set to foot 50 is screwed to holding member 40 and is kept
On holding member 40.
2nd projecting lens 33 is configured to following lens: as shown in Fig. 2, the shape when observation of front is rectangle, front observation
When size be the size roughly the same with the 1st projecting lens 23, and as shown in figure 3, longitudinal section size be and the 1st throw
The roughly the same size of shadow lens 23.
As shown in figure 3, the 1st projecting lens 23 (back side 23b) and the 2nd projecting lens 33 (back side 33b) configuration with plane
On PL1 parallel plane PL2.Plane PL2 is the plane vertical with the 1st optical axis AX1 (and the 2nd optical axis AX2).Plane PL2 is this
An example of 2nd plane of invention.
The focal length of the 1st projecting lens 23 of focal distance ratio of 2nd projecting lens 33 is long.As shown in figure 3, the 2nd projecting lens 33
Focus F33It is located near the center of the 2nd light source 32 (light-emitting surface) about vertical direction.On the other hand, the coke of the 2nd projecting lens 33
Point F33Position it is different according to each part of the 2nd projecting lens 33 about horizontal direction.
For example, as shown in figure 8, relative to the 2nd optical axis AX2 by left side lens section 33L in, away from the 2nd optical axis AX2 compared with
The focus F of remote lens section 33A33APositioned at away from the 2nd closer position optical axis AX2.On the other hand, as shown in figure 9, away from the 2nd optical axis
The focus F of the closer lens section 33B of AX233BPositioned at away from the 2nd remote position optical axis AX2.Moreover, lens section 33A and lens section
The focus in the intermediate lens portion between 33B is located at focus F33AWith focus F33BBetween.Relative to the 2nd optical axis AX2 on the right side
It is also the same such in lens section 33R.
As a result, the focus F of the 2nd projecting lens 3333Not instead of focus in the horizontal direction, focal line.In addition, the 2nd throws
The part L that on the surface 33a of shadow lens 33, left side lens section 33L is engaged with the lens section 33R on right side is towards the 2nd light
Source 32 and be recessed shape.In addition, on the surface 33a of the 2nd projecting lens 33, the lens section 33L in left side and the lens on right side
The part L of portion 33R engagement is the part (ginseng that the surface 33a of the 2nd projecting lens 33 intersects with the vertical guide comprising the 2nd optical axis AX
According to Fig. 1, Fig. 2).
In the 2nd optical system 30 of above structure, when lighting 2 light source 32, direct light from the 2nd light source 32 and
Reflected light from the 2nd tubular reflecting surface 31 is penetrated in the 2nd projecting lens 33 and is irradiated forwards.Distance light is formed as a result, to use
Light distribution patterns PHi。
(b) of Fig. 7 is distance light light distribution patterns PHiExample.It shows and is formed in and vehicle front surface in (b) of Fig. 7
Distance light light distribution patterns P on the virtual vertical screen of faceHiAn example.
(c) of Fig. 7 is the light distribution patterns P formed by the light controlled by the lens section 33L in left sideHi_1Example.Fig. 7's
It (d) is the light distribution patterns P formed by the light controlled by the lens section 33R on right sideHi_2Example.By making shown in (c) of Fig. 7
Light distribution patterns PHi_1Light distribution patterns P shown in (d) with Fig. 7Hi_2Overlapping, forms distance light light distribution patterns shown in (b) of Fig. 7
PHi。
As shown in (b) of Fig. 7, distance light light distribution patterns PHiThe vertical direction more top than horizontal line H on thickness W1 it is big
In distance light light distribution patterns PHiThan the thickness W2 in horizontal line H vertical direction on the lower.
This is basis, and the reflecting surface 31b for being set to lower section includes to prolong forwards compared with the reflecting surface 31a for being set to top
Long extension reflecting surface 31b1 (referring to Fig. 3, Fig. 6).
In addition, distance light light distribution patterns PHiIt is relatively bright and wider in the horizontal direction for H line and the near intersections of V line
, the light distribution patterns of visual excellence.Its reason is as follows.
Fig. 8~Figure 10 is the figure for illustrating the 2nd projecting lens 33 and the relationship of light source picture.
As shown in figure 8, in the lens section 33L in left side, by away from the farther away lens section 33A of the 2nd optical axis AX2, the 2nd light source
The light source of 32 (light-emitting surfaces) is as I33AThe near intersections of the H line and V line that are projected on virtual vertical screen.
In addition, as shown in figure 9, by away from the closer lens section 33B of the 2nd optical axis AX2, the light of the 2nd light source 32 (light-emitting surface)
Source image I33BIt is projected on the position deviateed to the right relative to the intersection point of H line and V line on virtual vertical screen.
In addition, as shown in Figure 10, by away from the farther away lens section 33A of the 2nd optical axis AX2 with away from the 2nd optical axis AX2 it is closer
Intermediate lens portion 33C between mirror portion 33B, the light source of the 2nd light source 32 (light-emitting surface) is as I33C1It is projected on virtual vertical screen
(light source is as I for the position deviateed to the right relative to the intersection point of H line and V line33AWith light source as I33BBetween middle position) on.
Light source is as I illustrated by Fig. 8~Figure 1033A、I33B、I33C1Actually it is overlapped.H line and V line are formed as a result,
Light distribution patterns P shown in relatively bright (d) such as Fig. 7 of near intersectionsHi_2.It is also the same in lens section 33R, form H line and V
Light distribution patterns P shown in relatively bright (c) such as Fig. 7 of the near intersections of lineHi_1。
Moreover, by making light distribution patterns P shown in (c) of Fig. 7Hi_1Light distribution patterns P shown in (d) with Fig. 7Hi_2Overlapping,
Form distance light light distribution patterns P shown in (b) of Fig. 7Hi.As a result, distance light light distribution patterns PHiIntersection point as H line and V line
Relatively bright light distribution patterns nearby.
In addition, as shown in Figure 10, in the lens section 33L in left side, by lens section 33C, by from being set to left side
The light source for the 2nd light source 32 (light-emitting surface) that the reflected light of reflecting surface 31c is formed is as I33c2Relative to light source as I33C1(light source picture
I33A、I33B) to the left deviate in the state of be projected.It is also the same such in the lens section 33R on right side.As a result, distance light is used
Light distribution patterns PHiAs wider light distribution patterns in the horizontal direction.
According to above reason, distance light light distribution patterns PHiNear intersections as H line and V line are relatively bright and in water
Square upwards wider, visual excellence light distribution patterns.
As described above, according to the present embodiment, compared with the above-mentioned prior art, can provide one kind can contract
(Miniaturizable) lamp unit for vehicle of size on short vehicle front-rear direction.
This be by by the 1st optical system 20 and the 2nd optical system 30 be configured to the optical system of direct projection type come
It realizes.
In addition, according to the present embodiment, the 1st light source 22 of one kind and the configuration of the 2nd light source 32 can be provided same substrate K's
Mounting surface (plane PL1.Referring to Fig. 3) on and the 1st projecting lens 23 and the configuration of the 2nd projecting lens 33 on same plane PL2
Simple structure lamp unit for vehicle 10.
This is realized in the following way: it is anti-that the 1st tubular being arranged between the 1st projecting lens 23 and the 1st light source 22
Face 21 is penetrated, the focus F for the 1st projecting lens 23 for keeping focal length relatively short23Positioned at the front-end edge for the reflecting surface 21b for being set to lower section
Near 21b1, and the focus F for the 2nd projecting lens 33 for keeping focal length relatively long33Near the 2nd light source 32 (light-emitting surface).
In addition, according to the present embodiment, the 1st light source 22 of one kind and the configuration of the 2nd light source 32 can be provided on same substrate K
And the 1st projecting lens 23 and integrally formed, the easy-to-assemble lamp unit for vehicle 10 of appearance of the 2nd projecting lens 33.
In addition, according to the present embodiment, distance light light distribution patterns P can be madeHi, more top than horizontal line H vertical direction
On thickness W1 be greater than than the thickness W2 in horizontal line H vertical direction on the lower (referring to (b) of Fig. 7).On expanding
Short side to range of exposures, and be able to suppress the case where nearby excessively bright and distant place visuality declines.
It includes to prolong forwards compared with the reflecting surface 31a for being set to top that this, which is by being set to the reflecting surface 31b of lower section,
Long extension reflecting surface 31b1 come realize (referring to Fig. 3, Fig. 6 (d)).
In addition, according to the present embodiment, be provided with the 1st tubular reflecting surface 21, therefore, and it is not provided with the 1st tubular reflecting surface
21 the case where, is compared, and the light from the 1st light source 22 expeditiously can be taken into the 1st projecting lens 23.Similarly, it is provided with
2nd tubular reflecting surface 31 can be efficient by the light from the 2nd light source 32 compared with the case where being not provided with the 2nd tubular reflecting surface 31
Rate it is taken into the 2nd projecting lens 33.
Figure 11 is the feelings for illustrating that the 1st optical system 20 is configured to downside, the 2nd optical system 30 is configured to upside
The figure of problem under condition.
As shown in figure 11, on the upside of the 1st optical system 20 to be configured to downside, configures the 2nd optical system 30 the case where
Under, by the reflected light RayB of the 1st tubular reflecting surface 21 (the reflecting surface 21b for being set to lower section) reflection in the 2nd projecting lens 33
Through and to overhead irradiation, it is possible to produce dazzle.
In this regard, according to the present embodiment, as shown in figure 3, the 1st optical system 20 is configured at upside, the 2nd optical system 30
It is configured at downside, therefore, is able to suppress by the reflected light of the 1st tubular reflecting surface 21 (the reflecting surface 21b for being set to lower section) reflection
The case where being penetrated in the 2nd projecting lens 33 and being irradiated to overhead and generate dazzle.In addition, as shown in figure 3, by the 1st optics
In the case that system 20 is configured at upside, the 2nd optical system 30 is configured at downside, top (is set to by the 1st tubular reflecting surface 21
Reflecting surface 21a) the reflected light RayA of reflection is penetrated in the 2nd projecting lens 33, but is penetrated in the 2nd projecting lens 33
Reflected light RayA irradiates downwards (road surface direction), therefore, will not generate dazzle because of reflected light RayA.
Then, illustrate variation.
In the above-described embodiment, it is applied to headlight for automobile (head lamp) to by lamp unit for vehicle of the invention
Example is illustrated, but not limited to this.For example, it is also possible to be applied to lamps apparatus for vehicle of the invention in addition to the preceding photograph of vehicle
Lamps apparatus for vehicle other than lamp (head lamp).
In addition, in the above-described embodiment, being configured to a vehicle to the 1st optical system 20 and the 2nd optical system 30
It is illustrated with the example of lamp unit 10, but not limited to this.For example, it is also possible to which the 1st optical system 20 is configured to one
2nd optical system 30 is configured to another lamp unit for vehicle by lamp unit for vehicle.
In addition, in the above-described embodiment, to using away from the 2nd optical axis AX2 farther away lens section 33A, then focus F33A
It is located away from the 2nd closer position optical axis AX2, away from the 2nd optical axis AX2 closer lens section 33B, then focus F33BIt is located
Lens away from the 2nd remote position optical axis AX2 are illustrated as the example of the 2nd projecting lens 33, but not limited to this.Example
It such as, can also in contrast, using away from the 2nd optical axis AX2 closer lens section 33B, then focus F33BIt is located away from the 2nd light
The remote position axis AX2, away from the 2nd optical axis AX2 farther away lens section 33A, then focus F33ABe located away from the 2nd optical axis AX2 compared with
The lens of close position are as the 2nd projecting lens 33.
Furthermore it is also possible to by the surface 23a of the 1st projecting lens 23 or the table of back side 23b, the 2nd projecting lens 33
Apply regular texture on face 33a or back side 33b, for example, point, notch, recess, expand the light penetrated in each lens 23,33
It dissipates.
In addition, in the above-described embodiment, to having used front opening A1 bigger than open rearward end A2 and opened with from front end
Mouthful A1 towards open rearward end A2 and the example that is narrowed the tubular reflecting surface of centrum shape (tetrapyamid shape) is illustrated, but not
It is limited to this.For example, it is also possible to be opened using on surface comprising being equivalent to the optical surface (light-emitting surface) of front opening A1, being equivalent to rear end
The optical surface (incidence surface) of mouthful A2, the optical surface for being respectively equivalent to be set to reflecting surface 21a, 21b, 21c, 21d up and down
Solid lenticular body.
Each numerical value shown in the respective embodiments described above is entirely to illustrate, naturally it is also possible to using different from these numerical value
Appropriate numerical value.
The respective embodiments described above only illustrate in all respects.The present invention will not be carried out by the record of the respective embodiments described above
Limited explanation.The present invention can be implemented with other various forms not departing under the premise of its purport or main feature.
Claims (8)
1. a kind of lamp unit for vehicle, there is the 1st optical system for forming dipped beam light distribution patterns and form distance light with matching
2nd optical system of light pattern, wherein
1st optical system includes
1st tubular reflecting surface, front opening is bigger than open rearward end and is narrowed with from front opening towards open rearward end
It is cone-shaped, it is made of the 1st reflecting surface for being set to up and down；
1st light source, it is opposite disposed with the open rearward end；And
1st projecting lens, opposite disposed with the front opening, focus is located under being set in the 1st reflecting surface
Near the front-end edge of the reflecting surface of side, the 1st projecting lens makes direct light from the 1st light source and by the 1st tubular
The reflected light from the 1st light source of reflective surface is irradiated forwards,
The front-end edge of reflecting surface in 1st reflecting surface, being set to lower section is configured to and the dipped beam light distribution patterns
The corresponding shape of dead line,
2nd optical system includes
2nd tubular reflecting surface, front opening is bigger than open rearward end and is narrowed with from front opening towards open rearward end
It is cone-shaped, it is made of the 2nd reflecting surface for being set to up and down；
2nd light source, it is opposite disposed with the open rearward end；And
2nd projecting lens, opposite disposed with the front opening, focus is arranged near the 2nd light source, and the 2nd throws
Shadow lens make direct light from the 2nd light source and by the 2nd tubular reflective surface from the anti-of the 2nd light source
Light is penetrated to irradiate forwards,
1st optical system and the 2nd optical system configure side by side,
1st light source and the 2nd light source configure in the 1st plane,
1st projecting lens and the 2nd projecting lens configuration are on than the 1st plane the 2nd plane on the front.
2. lamp unit for vehicle according to claim 1, wherein
1st light source and the 2nd light source are installed on the same substrate,
1st projecting lens and the 2nd projecting lens are molded as one.
3. lamp unit for vehicle according to claim 1 or 2, wherein
The reflecting surface for being set to lower section in 2nd reflecting surface includes to extend forwards compared with the reflecting surface for being set to top
Extension reflecting surface.
4. a kind of lamp unit for vehicle forms distance light light distribution patterns, wherein the lamp unit for vehicle has:
Tubular reflecting surface, front opening is bigger than open rearward end and is narrowed cone with from front opening towards open rearward end
Shape is made of the reflecting surface for being set to up and down；
Light source, it is opposite disposed with the open rearward end；And
Projecting lens, opposite disposed with the front opening, focus is arranged near the light source, makes from the light source
Direct light and irradiated forwards by the reflected light from the light source of the tubular reflective surface,
In the reflecting surface being set to up and down be set to lower section reflecting surface include be set to top reflecting surface
Compared to extended extension reflecting surface forwards.
5. lamp unit for vehicle according to claim 1, wherein
The size of 1st projecting lens and the 2nd projecting lens is substantially the same.
6. a kind of lamps apparatus for vehicle has the 1st optical system for forming dipped beam light distribution patterns and forms distance light light distribution figure
2nd optical system of case, wherein
1st optical system includes
1st tubular reflecting surface, front opening is bigger than open rearward end and is narrowed with from front opening towards open rearward end
It is cone-shaped, it is made of the 1st reflecting surface for being set to up and down；
1st light source, it is opposite disposed with the open rearward end；And
1st projecting lens, opposite disposed with the front opening, focus is located under being set in the 1st reflecting surface
Near the front-end edge of the reflecting surface of side, the 1st projecting lens makes direct light from the 1st light source and by the 1st tubular
The reflected light from the 1st light source of reflective surface is irradiated forwards,
The front-end edge of reflecting surface in 1st reflecting surface, being set to lower section is configured to and the dipped beam light distribution patterns
The corresponding shape of dead line,
2nd optical system includes
2nd tubular reflecting surface, front opening is bigger than open rearward end and is narrowed with from front opening towards open rearward end
It is cone-shaped, it is made of the 2nd reflecting surface for being set to up and down；
2nd light source, it is opposite disposed with the open rearward end；And
2nd projecting lens, opposite disposed with the front opening, focus is arranged near the 2nd light source, and the 2nd throws
Shadow lens make direct light from the 2nd light source and by the 2nd tubular reflective surface from the anti-of the 2nd light source
Light is penetrated to irradiate forwards,
1st optical system and the 2nd optical system configure side by side,
The distance between 1st light source and the 1st projecting lens are between the 2nd light source and the 2nd projecting lens
Distance it is substantially the same.
7. lamps apparatus for vehicle according to claim 6, wherein
1st optical system and the 2nd optical system are configured to a lamp unit for vehicle.
8. lamps apparatus for vehicle according to claim 6, wherein
1st optical system and the 2nd optical system are configured to different lamp unit for vehicle.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017-205824 | 2017-10-25 | ||
| JP2017205824A JP7149062B2 (en) | 2017-10-25 | 2017-10-25 | vehicle lighting unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109708068A true CN109708068A (en) | 2019-05-03 |
| CN109708068B CN109708068B (en) | 2022-10-14 |
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ID=66254164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811244449.7A Active CN109708068B (en) | 2017-10-25 | 2018-10-24 | Vehicle lamp unit and vehicle lamp |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP7149062B2 (en) |
| CN (1) | CN109708068B (en) |
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| CN102322603A (en) * | 2011-06-02 | 2012-01-18 | 天津方合科技发展有限公司 | Automotive headlight LED (light-emitting) optical component with cut-off line in dipped beam region |
| CN102537810A (en) * | 2010-12-28 | 2012-07-04 | 斯坦雷电气株式会社 | Projection type headlamp for two-wheeled motor vehicle |
| CN102713420A (en) * | 2010-01-12 | 2012-10-03 | 株式会社小糸制作所 | Vehicle headlamp |
| EP2522897A2 (en) * | 2011-05-10 | 2012-11-14 | Koito Manufacturing Co., Ltd. | Vehicle headlamp |
| JP2016110818A (en) * | 2014-12-05 | 2016-06-20 | 市光工業株式会社 | Vehicular lighting fixture |
| WO2017104678A1 (en) * | 2015-12-15 | 2017-06-22 | 株式会社小糸製作所 | Vehicle light fixture and substrate |
| CN107091443A (en) * | 2016-02-18 | 2017-08-25 | 株式会社小糸制作所 | Lamps apparatus for vehicle |
| CN107228321A (en) * | 2016-03-25 | 2017-10-03 | 株式会社小糸制作所 | Lamps apparatus for vehicle and the vehicle with the lamps apparatus for vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6448944B2 (en) | 2014-08-07 | 2019-01-09 | 株式会社小糸製作所 | Vehicle lighting |
| JP6980377B2 (en) | 2016-12-15 | 2021-12-15 | 株式会社小糸製作所 | Vehicle headlights |
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|---|---|---|---|---|
| CN102713420A (en) * | 2010-01-12 | 2012-10-03 | 株式会社小糸制作所 | Vehicle headlamp |
| CN102537810A (en) * | 2010-12-28 | 2012-07-04 | 斯坦雷电气株式会社 | Projection type headlamp for two-wheeled motor vehicle |
| EP2522897A2 (en) * | 2011-05-10 | 2012-11-14 | Koito Manufacturing Co., Ltd. | Vehicle headlamp |
| CN102322603A (en) * | 2011-06-02 | 2012-01-18 | 天津方合科技发展有限公司 | Automotive headlight LED (light-emitting) optical component with cut-off line in dipped beam region |
| JP2016110818A (en) * | 2014-12-05 | 2016-06-20 | 市光工業株式会社 | Vehicular lighting fixture |
| WO2017104678A1 (en) * | 2015-12-15 | 2017-06-22 | 株式会社小糸製作所 | Vehicle light fixture and substrate |
| CN107091443A (en) * | 2016-02-18 | 2017-08-25 | 株式会社小糸制作所 | Lamps apparatus for vehicle |
| CN107228321A (en) * | 2016-03-25 | 2017-10-03 | 株式会社小糸制作所 | Lamps apparatus for vehicle and the vehicle with the lamps apparatus for vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2019079697A (en) | 2019-05-23 |
| JP7149062B2 (en) | 2022-10-06 |
| CN109708068B (en) | 2022-10-14 |
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