CN100582562C - Projector type vehicle light - Google Patents

Projector type vehicle light Download PDF

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Publication number
CN100582562C
CN100582562C CN200410099764A CN200410099764A CN100582562C CN 100582562 C CN100582562 C CN 100582562C CN 200410099764 A CN200410099764 A CN 200410099764A CN 200410099764 A CN200410099764 A CN 200410099764A CN 100582562 C CN100582562 C CN 100582562C
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China
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mentioned
concave mirror
light
little
mini
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Expired - Fee Related
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CN200410099764A
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CN1644977A (en
Inventor
武田结香利
岩崎和则
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Ichikoh Industries Ltd
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Ichikoh Industries Ltd
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Publication of CN1644977A publication Critical patent/CN1644977A/en
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Abstract

The present invention provided a projector type vehicular lighting fixture which enables obtaining sufficient illuminance at a hot zone without involving an excessive temperature rise in a lamp chamber. The lighting fixture is provided with a plurality of LEDs 11, mini-reflectors 14 and mini-convex lenses 6. On each mini-reflector 14, a mini-concave mirror 7 with an ellipsoidal revolution surface or a free surface based on an ellipsoid is formed. In each reflector 14, a light emitting portion 11a is disposed facing the reflecting surface of the mini-concave mirror 7 corresponding to the upper part of the vicinity of a first focal point F1 of the mini-concave mirror 7, and a shade 4 is disposed at the vicinity of a second focal point F2 of the mini-concave mirror 7. At a front opening part of each mini-reflector 14, a mini-convex lens 6 is attached. Then, a plurality of mini-projector type lighting fixtures 10a to 10j are constructed and assembled in a housing 20.

Description

Projector type vehicle light
Technical field
The present invention relates to for example to be applicable to headlight, use LED (light emitting diode) to make the projector type vehicle light of light source bulb.
Background technology
Figure 14 represents this projector type vehicle light 100 (for example, with reference to the real microfilm of being willing to flat 4-76322 number (opening flat 6-41010 number in fact) of patent documentation 1-Japan).This lamps apparatus for vehicle 100 substantially by near the light source bulb 2 the 1st focus that is located at concave mirror 1 and will be from light source bulb 2 outgoing, become collimated light beam and constitute by concave mirror 1 beam reflected to the convex lens 3 of light fixture the place ahead outgoing.
In detail, lamps apparatus for vehicle 100 is provided with lampshade 4 between light source bulb 2 and convex lens 3, utilizes the light beam of this lampshade 4 as the usefulness of giving another the right of way, and can obtain to have the light distribution patterns of suitable tangent line.
When light source bulb 2 makes its filament be positioned at the 1st focus of concave mirror 1, its electrical connection section inlayed be installed on the tubular peristome 1a.The open end of concave mirror 1 is equipped with framework 5, is fixing convex lens 3 and gallery 4 on the framework 5.
This lamps apparatus for vehicle 100, as shown in figure 15, be used to install the next-door neighbour concave mirror 1 light source bulb 2 tubular peristome 1a above be provided with the through hole 1b of ventilation usefulness, below the next-door neighbour, be provided with the through hole 1c of ventilation usefulness equally.
And, though lamps apparatus for vehicle 100 when turning on light light source bulb 2 around for high temperature because its heat dispels the heat because of producing thermal convection current, thereby suppressed temperature rise around the light source bulb 2 between these through holes 1b, 1c.
Yet the problem that lamps apparatus for vehicle 100 exists is that near the reflecting properties of central part that is provided with the concave mirror 1 of these through holes 1b, 1c reduces, and then the illumination of the hot-zone of light distribution patterns central part reduces.
Summary of the invention
Therefore, the object of the present invention is to provide a kind of projector type vehicle light, it the excessive rising of lamp house temperature can not occur, can bring into play the reflecting properties of concave mirror to greatest extent, thereby obtains the sufficient illumination in hot-zone of light distribution patterns.
In order to realize the foregoing invention purpose, the projector type vehicle light of the present invention's first scheme has: be arranged near the 1st focus of concave mirror light source with from above-mentioned light source outgoing, and will become the convex lens that shine light fixture the place ahead behind the substantially parallel light beam by the light modulation of above-mentioned concave mirror beam reflected, it is characterized in that:
Above-mentioned light source is made of a plurality of LED;
Above-mentioned concave mirror is made of the little concave mirror of the free form surface that forms the ellipse of revolution curved surface on each of a plurality of small reflectors that form in each above-mentioned LED place or form with ellipse of revolution basically;
Above-mentioned convex lens are made of the open front a plurality of little convex lens partly in order to cover above-mentioned small reflector that form at each small reflector;
At each above-mentioned small reflector place above-mentioned LED is set, make the opposed while of reflecting surface of its illuminating part and near the pairing above-mentioned little concave mirror in top the 1st focus of above-mentioned little concave mirror, lampshade is arranged to be located at above-mentioned little concave mirror the 2nd focus near, and constitute above-mentioned small spotlight type light fixture by the open front portion that above-mentioned little convex lens is installed to above-mentioned speculum;
Again above-mentioned a plurality of small spotlight type light fixtures are assembled in the housing.
Therefore, adopt the present invention's first scheme, on each small spotlight type light fixture, the light of LED by its illuminating part towards the reflecting surface outgoing of little concave mirror the time, by this reflecting surface reflection and at the lampshade place of the 2nd focal position that is formed at little concave mirror optically focused, the part of the light of being assembled is blocked or reflects, and most of light arrives little convex lens, and, thereby can obtain desired light distribution patterns because modulated light becomes collimated light beam to shine the place ahead of lamps apparatus for vehicle by little convex lens.
In addition, the LED that adopts as light source because the volume of itself is little, can save when desired space is installed since the heating of lamp when bright also the light source than the band filament is little, thereby can avoid the excessive temperature of lamp house to rise.
The projector type vehicle light of alternative plan of the present invention is on the basis of first scheme, it is characterized in that, above-mentioned LED is obliquely installed, and makes its illuminating part downward-sloping at the depth direction of above-mentioned little concave mirror.
Therefore, adopt alternative plan of the present invention, little concave mirror forms the ellipse of revolution curved surface or based on the free form surface of ellipse of revolution, and, because LED is obliquely installed near the 1st focus of above-mentioned little concave mirror and makes at its depth direction downward-slopingly, thereby can make from the light of its illuminating part outgoing and incides effectively on the reflecting surface of above-mentioned little concave mirror.
The projector type vehicle light of third party's case of the present invention is on the basis of first scheme, it is characterized in that, above-mentioned LED is arranged to make either party inclination of its illuminating part to about the width of above-mentioned little concave mirror.
Therefore, adopt third party's case of the present invention, little concave mirror forms the ellipse of revolution curved surface or based on the free form surface of ellipse of revolution, and, because LED is being obliquely installed about the width of little concave mirror either party near the 1st focus of above-mentioned little concave mirror, thereby can makes from the hot-zone of the light of its illuminating part outgoing and be displaced on the direction opposite with above-mentioned incline direction.
The projector type vehicle light of the cubic case of the present invention is on the basis of first scheme, it is characterized in that, above-mentioned LED be arranged to be moved horizontally to from the 1st focal position of above-mentioned little concave mirror above-mentioned little concave mirror width the left and right sides either party.
Therefore, adopt the cubic case of the present invention, little concave mirror forms the ellipse of revolution curved surface or based on the free form surface of ellipse of revolution, and, because LED either party about near be arranged to be moved horizontally to little concave mirror the 1st focus of above-mentioned little concave mirror width, thereby can make from the hot-zone of the light of its illuminating part outgoing and be displaced on the direction opposite with above-mentioned moving direction.
What as above be described in detail is such, adopt the present invention's first scheme, since with LED as light source, because the heating when lamp the is bright also light source than the band filament is little, thereby the excessive temperature that can avoid lamp house can provide the reflecting properties that can bring into play concave mirror to greatest extent, the projector type vehicle light that can obtain the light beam of high illumination when rising.
And,, thereby can throw the light beam of the light distribution patterns with tangent line of the light beam that is applicable to the usefulness of giving another the right of way because lampshade is formed at the 2nd focal position of the little concave mirror of each small spotlight type light fixture.
In addition, adopt alternative plan of the present invention, incide effectively on the reflecting surface of little concave mirror owing to can make from the light of the illuminating part outgoing of LED, thereby, except that the effect of the present invention's first scheme, can increase the effective luminous flux that shines light fixture the place ahead, and can improve the identification performance in the place ahead.
In addition, adopt third party's case of the present invention, be displaced on the direction opposite owing to can make with the incline direction of LED from the hot-zone of the light of the illuminating part outgoing of LED, thereby, except that the effect of the present invention's first scheme, can under the situation that does not increase number of components and parts, can design the luminous intensity distribution of the right side or left side operation usefulness at an easy rate.
In addition, adopt the cubic case of the present invention, be displaced on the direction opposite owing to can make with above-mentioned moving direction from the hot-zone of the light of the illuminating part outgoing of LED, thereby, except that the effect of the present invention's first scheme, can under the situation that does not increase number of components and parts, can design the luminous intensity distribution of the right side or left side operation usefulness at an easy rate.
Description of drawings
Fig. 1 is the front view of the general projector type vehicle light of various embodiments of the present invention.
Fig. 2 is the cutaway view along the II-II line of the projector type vehicle light of Fig. 1.
Fig. 3 is the cutaway view along the III-III line of the projector type vehicle light of Fig. 1.
Fig. 4 is the decomposition side view of small spotlight type light fixture that is applicable to the projector type vehicle light of Fig. 1.
Fig. 5 is the stereogram of installment state of LED of the light source of the expression small spotlight type light fixture that is applicable to Fig. 4.
Fig. 6 is the various luminous intensity distribution figure of a plurality of small spotlight type light fixtures of the projector type vehicle light of pie graph 1, (a) expression horizontal proliferation type, (b) expression optically focused plane, (c) expression has the horizontal diffused of the light beam that staggers of tangent line, and (d) expression has the light beam that the staggers optically focused plane of tangent line.
Fig. 7 is the small spotlight type light fixture that constitutes the 1st embodiment of projector type vehicle light of the present invention, (a) is its vertical view, (b) is along the profile of the VIIb-VIIb line of (a), (C) is the front view of seeing from the place ahead.
Fig. 8 is the curve map of outgoing pattern of emergent light of the LED of the expression small spotlight type light fixture that is applicable to Fig. 7.
Fig. 9 is the curve map of luminous intensity distribution figure of the projector type vehicle light that constitutes with small spotlight type light fixture of expression the 1st embodiment.
Figure 10 is the small spotlight type light fixture that constitutes the 2nd embodiment of projector type vehicle light of the present invention, (a) is vertical view, (b) is along the profile of the Xb-Xb line of (a), (c) is the front view of seeing from the place ahead.
Figure 11 is the small spotlight type light fixture that constitutes the 3rd embodiment of projector type vehicle light of the present invention, (a) be vertical view, (b) being along the profile of the XIb-XIb line of (a), (c) being the front view of seeing from the place ahead, (d) is the profile along the XId-XId line.
Figure 12 is the curve map of luminous intensity distribution figure of the projector type vehicle light that constitutes with small-sized light modulation type light fixture of expression the 3rd embodiment.
Figure 13 is the small spotlight type light fixture that constitutes the 4th embodiment of projector type vehicle light of the present invention, (a) is vertical view, (b) is along the profile of the XIIb-XIIb line of (a), (c) is the front view of seeing from the place ahead.(d) be profile along the XIId-XIId line.
Figure 14 is the central longitudinal profile of the projector type vehicle light of prior art.
Figure 15 is the front view of concave mirror that is applicable to the projector type vehicle light of Figure 14.
Among the figure
4 lampshades, 6 little convex lens 7 little concave mirror 10 small spotlight type light fixtures
10a~10j small spotlight type light fixture 10A small spotlight type light fixture (first embodiment)
10B small spotlight type light fixture (second embodiment) 10C small spotlight type light fixture (the 3rd embodiment)
10D small spotlight type light fixture (the 4th embodiment) 11LED 11a illuminating part (LED's)
14 small reflectors, 20 shell A projector type vehicle lights
CL tangent line F1 the 1st focus (little concave mirror) F2 the 2nd focus (little concave mirror)
The specific embodiment
Below, embodiments of the invention are described with reference to the accompanying drawings.And, describe for being marked with identical label with structural element that the disclosed content of Figure 14, Figure 15 plays same function.
Fig. 1~Fig. 3 represents to be common to the projector type vehicle light A of various embodiments of the present invention.The general structure of this lamps apparatus for vehicle A is a plurality of small spotlight type light fixture 10a, 10b, 10c, 10d, 10e, 10f, 10g, 10h, 10i, 10j to be assembled in 1 shell 20 constitute.In addition, when small spotlight type light fixture is represented in following exemplary, with label 10 expression, and to different embodiment with label 10A, 10B ... with difference mutually.
Shell 20 is made of the clear glass 21 of the peristome of the housing 22 of open front and covering shell 22.And a plurality of small spotlight type light fixture 10a~10j are fixed on the housing 22 by means of installed part 23, thereby are assembled in the shell 20.Among Fig. 1 and Fig. 2, label 26,27 is respectively side-marker lamp, front directional.
In detail, in lamps apparatus for vehicle A, light source is made of a plurality of LED11 (with reference to Fig. 4, Fig. 5); Concave mirror is being by being formed on each of a plurality of small reflectors 14 on each LED11, with the ellipse of revolution curved surface or be that the little concave mirror 7 that free form surface forms constitutes basically with the ellipse of revolution; Convex lens are made of a plurality of little convex lens 6 that form on each small reflector 14 of the open front portion that covers small reflector 14; And, in dress LED11 on each small reflector 14, little convex lens 6 are installed to the open front portion of small reflector 14, thereby constitute a plurality of small spotlight type light fixture 10a~10j.
As shown in Figure 4, small reflector 14 has top speculum 12 and the bottom speculum 13 that reflecting material is arranged at the inner surface evaporation, and by make flange part 12a, the 13a contact that forms at separately peripheral part utilize screw 8 with two speculums 12,13 in conjunction with constituting.The small reflector 14 of Gou Chenging like this, roughly half part of its front side constitutes closed section by two speculums 12,13, and roughly half part of its rear side only constitutes roughly semicircle section by top speculum 12.Little concave mirror 7 is formed on the inner surface of roughly half part of top speculum 12 rear sides.Lampshade 4 described later is set on bottom speculum 13.Little convex lens 6 are held in installation between two speculums 12,13 in the open front portion of small reflector 14.
In addition, as shown in Figure 4 and Figure 5, the LED11 part is mounted and fixed on the installing plate 9, by with screw 24 installing plate 9 being combined on roughly half part of top speculum 12 rear sides, then this illuminating part 11a and little concave mirror 7 is relatively installed.Among Fig. 4 and Fig. 5, label 25 is 4 lead-in wires, and 2 of inner edges are the lead-in wires of LED11, and all the other 2 is the lead-in wire of cooling element.
And, as shown in Figure 3 and Figure 4, the suitable installed part 23 that is made of the 1st installed part 23a, the 2nd installed part 23b and the 3rd installed part 23c that uses of small spotlight type light fixture 10a~10j is fixed on the housing 22, so that little convex lens 6 and clear glass 21 are mutually opposed and make upper and lower speculum 12 and 13 become upside and downside respectively.At this moment, installed part 23 utilizes 2 outside the figure to adjust screw and pivot constructed, can carry out optical axis adjustment ground up and down a plurality of small spotlight type light fixture 10a~10j all are supported on the housing 22.
In addition, small spotlight type light fixture 10a~10j is designed to for example can obtain following light distribution patterns according to its fixed position.
Fig. 6 is this light pattern, (a) is (b) to be the optically focused plane by the horizontal proliferation type, and (c) be horizontal proliferation type with tangent line of the light beam that staggers, (d) be optically focused plane with tangent line of the light beam that staggers.Small spotlight type light fixture 10a, 10c, 10d, 10g be designed to obtain the to stagger light distribution patterns (with reference to Fig. 6 (c)) of horizontal proliferation type of light beam; Small spotlight type light fixture 10b, 10e, 10f be designed to obtain the to stagger light distribution patterns (with reference to Fig. 6 (d)) of optically focused plane of light beam; Small spotlight type light fixture 10h, 10i, 10j are designed to obtain the light distribution patterns (with reference to Fig. 6 (a)) of horizontal proliferation type.And, lamps apparatus for vehicle A, generally speaking can obtaining is suitable for giving another the right of way uses the light distribution patterns of light beam.
Below, according to each embodiment this outbreak is further described.
Fig. 7 represents to constitute the small spotlight type light fixture 10A of the lamps apparatus for vehicle A of the 1st embodiment of the present invention.This light fixture 10A roughly by near the LED11 the 1st focal point F 1 that is arranged on little concave mirror 7 with will become substantially parallel light beam to constitute by the little convex lens 6 that clear glass shines the place ahead of lamps apparatus for vehicle A again from the LED11 outgoing and by little concave mirror 7 beam reflected light modulations.
At this moment, LED11 is arranged to make the reflecting surface of the corresponding little concave mirror 7 in its illuminating part 11a and the top of the 1st focal point F 1 relative.
In the present embodiment, LED11 is arranged to its illuminating part 11a is configured on the direction with the optical axis Z approximate vertical of the light fixture 10A of centre by little convex lens 6 and the 1st focal point F 1.
Fig. 8 represents from the outgoing pattern L0 of the light of the illuminating part 11a outgoing of LED11; The dotted line of Fig. 7 (b) is represented the incident state of the light of this outgoing pattern L0 to little concave mirror 7.
Among the 1st embodiment, small spotlight type light fixture 10a~10j is made of light fixture 10A, in each light fixture 10A, the light L of LED11 from its illuminating part 11a to the reflecting surface outgoing of little concave mirror 7 time, and arrive little convex lens 6 by this reflecting surface reflection back, and because light modulation becomes collimated light beam by little convex lens 6 and shine the place ahead of lamps apparatus for vehicle A.
In addition, the LED11 that uses as light source is owing to itself be miniaturized component, thereby can save necessary space is installed, simultaneously since its heating when lighting also the light source (with reference to the light source bulb 2 of Figure 14) than the band filament is little, thereby, can avoid the excessive temperature ground in the lamp house to rise.
In addition, small spotlight type light fixture 10A is shown in Fig. 7 (b), and the lampshade 4 that is preferably formed the tangent line of light beam is formed at the position of the 2nd focal point F 2 of little concave mirror 7.
The light fixture 10A of this structure can be used as light fixture 10a, 10b, 10c, 10d, 10e, 10f, 10g well in small spotlight type light fixture 10a~10j; From the light L of the illuminating part 11a outgoing of LED11 after reflecting surface reflection by little concave mirror 7, optically focused is to lampshade 4 places of the position of the 2nd focal point F 2 that is formed at little concave mirror 7, when the part in the light of optically focused was blocked by lampshade 4, most of light became the light distribution patterns with tangent line and projects the place ahead of lamps apparatus for vehicle A.
Fig. 9 represents light distribution patterns LP at this moment, and light distribution patterns LP has the structure that occurs hot-zone LP1 in central authorities, lampshade 4 constitute this light distribution patterns LP horizontal line, be tangent line CL.At this moment light distribution patterns LP uses light beam owing to formation tangent line CL is specially adapted to give another the right of way.
Specifically, the total of top speculum 12 is, when the fore-end of little concave mirror 7 forms the big upper case body 15 of the diameter of the continuous little concave mirror 7 of ratio, and then interior week forms top endless groove 15a along the front end of this upper case body 15.
In addition, bottom speculum 13 is made of lampshade 4 and lower case body 16.Lampshade 4 has the section of the font of falling L and forms continuously with the rear end part of lower case body 16, and the bending edge part 4a on top forms and tangent line CL similar shapes (with reference to Fig. 7 (b)).The fore-end of lower case body 16 forms along the bottom endless groove 16a in week in it.
And, little convex lens 6 two speculums 12,13 in conjunction with the time, the 6a of its peripheral outer lips portion is embedded and is installed among two endless groove 15a, the 16a.The front side lamp house 14a of the small reflector 14 of Gou Chenging is made of little convex lens 6 and upper case body 15 and lower case body 16 like this, and side lamp chamber 14b is made of the little concave mirror 7 and the top part 4b of lampshade 4 that covers the preceding side lower part of little concave mirror 7 partly thereafter.
Figure 10 represents to constitute the small spotlight type light fixture 10B of the lamps apparatus for vehicle of second embodiment of the invention.This light fixture 10B only is the installation attitude difference of LED11, and other structure is identical with the structure of small spotlight type light fixture 10A.Therefore, the structural element identical with small spotlight type light fixture 10A put on identical label and omitted detailed explanation.
That is, in small spotlight type light fixture 10B, LED11 is obliquely installed at the depth direction of little concave mirror 7 downward-sloping.
In the present embodiment, LED11 is arranged to, and it is last and downward-sloping at depth direction with angle θ 1 with respect to optical axis Z to be installed in the installing plate 9 (with reference to Fig. 5) that is fixed on the top speculum 12.
Adopt this structure, shown in Figure 10 (b), the light L with outgoing pattern L0 (with reference to Fig. 8) by the illuminating part 11a outgoing of LED11 can be incided on the reflecting surface of little concave mirror 7 effectively, thereby can increase the effective luminous flux that shines lamps apparatus for vehicle A the place ahead, and improve the identification performance in the place ahead.
Figure 11 represents to constitute the small spotlight type light fixture 10C of the lamps apparatus for vehicle A of third embodiment of the invention.This light fixture 10C only is the installation attitude difference of LED11, and other structure is identical with the structure of small spotlight type light fixture 10A.Therefore, the structural element identical with small spotlight type light fixture 10A put on identical label and omitted detailed explanation.
That is, in small spotlight type light fixture 10C, LED11 is obliquely installed in the left and right sides of the width of little concave mirror 7 either party.
In the present embodiment, shown in Figure 11 (d), LED11 is installed on the installing plate 9 (with reference to Fig. 5) that is fixed on the little concave mirror 7, and tilts to the lower right with angle θ 2 with respect to the trunnion axis Z1 with optical axis Z quadrature.
Adopt this structure, the hot-zone by the light L of the illuminating part 11a outgoing of LED11 can be moved to the direction opposite with above-mentioned incline direction.
Figure 12 represents the light distribution patterns LP of light beam of the lamps apparatus for vehicle A of present embodiment, and among this light distribution patterns LP, hot-zone LP2 shows from the hot-zone LP1 of the lamps apparatus for vehicle A that is made of small spotlight type light fixture 10A (direction of arrow a) mobile position left.
Therefore, the lamps apparatus for vehicle A that is made of small spotlight type light fixture 10C can increase the brightness of the light that shines the track of advancing that keeps left, and can improve the identification performance in the track of advancing.By make LED11 to left down the lamps apparatus for vehicle A that constitutes of the small spotlight type light fixture 10C that tiltedly installs of square neck can improve the identification performance in the track of advancing of keeping to the right.
Figure 13 represents to constitute the small spotlight type light fixture 10D of the lamps apparatus for vehicle A of fourth embodiment of the invention.This light fixture 10D only is the installation site difference of LED11, and other structure is identical with the structure of small spotlight type light fixture 10A.Therefore, the structural element identical with small spotlight type light fixture 10A put on identical label and omitted detailed explanation.
That is, in small spotlight type light fixture 10D, LED11 be arranged to from the 1st focal position of little concave mirror 7 be moved horizontally to little concave mirror 7 width about either party.At this moment position offset is for for example, and the MAX luminosity of light distribution patterns shown in Figure 6 is offset position about about 1.5 degree from the V line.
In the present embodiment, shown in Figure 13 (a) and Figure 13 (d), LED11 is arranged to be moved horizontally to from the 1st focal position F1 of little concave mirror 7 left of the width of little concave mirror 7.At this moment little convex lens 6 are the preferred non-spherical lens that uses shown in Figure 13 (b).
Therefore, the lamps apparatus for vehicle A that is made of small spotlight type light fixture 10D can increase the brightness of the light in the track of announcing in the irradiation left side of advancing, and can improve the identification performance in the track of advancing.
Like this, the lamps apparatus for vehicle A of third and fourth embodiment under the situation that does not increase amount of parts, the tilt condition by changing LED11 or the position is set only, can easily obtain with right operation with or the corresponding luminous intensity distribution of left side operation.
Therefore, in the headlight of the spotlight mode of having used existing halogen light modulation or HID lamp, thereby for the optical axis with speculum and lens stagger obtain right operation with or the luminous intensity distribution of left side operation usefulness, the carriage of two kinds of connection speculums and lens must be set, thereby cause amount of parts to increase.

Claims (2)

1. projector type vehicle light, have: be arranged near the 1st focus of concave mirror light source with will become the convex lens that shine light fixture the place ahead behind the substantially parallel light beam from above-mentioned light source outgoing and by the light modulation of above-mentioned concave mirror beam reflected, it is characterized in that:
Above-mentioned light source is made of a plurality of LED;
Above-mentioned concave mirror is by forming the ellipse of revolution curved surface or be that the little concave mirror of basic free form surface constitutes with ellipse of revolution on each of formed a plurality of small reflectors on each above-mentioned LED;
Above-mentioned convex lens are made of a plurality of little convex lens of the open front part of the above-mentioned small reflector of covering that forms on each small reflector;
Above-mentioned LED is arranged to make the opposed while of reflecting surface of its illuminating part and near the pairing above-mentioned little concave mirror in top the 1st focus of the above-mentioned little concave mirror of above-mentioned small reflector, lampshade is arranged to be located at above-mentioned little concave mirror the 2nd focus near, and constitute above-mentioned small spotlight type light fixture by the open front portion that above-mentioned little convex lens is installed to above-mentioned small reflector;
Again above-mentioned a plurality of small spotlight type light fixtures are assembled in the housing;
Above-mentioned LED is obliquely installed, and makes its illuminating part downward-sloping at the depth direction of above-mentioned little concave mirror,
Above-mentioned LED be arranged to be moved horizontally to from the 1st focal position of above-mentioned little concave mirror above-mentioned little concave mirror width the left and right sides either party.
2. projector type light fixture according to claim 1 is characterized in that:
Above-mentioned LED is arranged to make either party inclination of its illuminating part to about the width of above-mentioned little concave mirror.
CN200410099764A 2003-12-25 2004-12-25 Projector type vehicle light Expired - Fee Related CN100582562C (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2003431258 2003-12-25
JP2003431258 2003-12-25
JP2004059680A JP2005209602A (en) 2003-12-25 2004-03-03 Projector type vehicular lighting fixture
JP2004059680 2004-03-03

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Publication Number Publication Date
CN1644977A CN1644977A (en) 2005-07-27
CN100582562C true CN100582562C (en) 2010-01-20

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101749617A (en) * 2008-12-11 2010-06-23 市光工业株式会社 Vehicular lamp
JP5233686B2 (en) * 2009-01-13 2013-07-10 市光工業株式会社 Vehicle lighting
CN101900274B (en) * 2009-05-27 2012-07-04 市光工业株式会社 Lamp for vehicle
JP2011081967A (en) * 2009-10-05 2011-04-21 Koito Mfg Co Ltd Vehicle headlamp
JP5702588B2 (en) * 2010-12-02 2015-04-15 株式会社小糸製作所 Vehicle headlamp
JP6111805B2 (en) * 2013-04-04 2017-04-12 市光工業株式会社 Vehicle lighting
WO2020071413A1 (en) * 2018-10-05 2020-04-09 株式会社小糸製作所 Vehicular lamp

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