CN102192456B - Motorcycle projector headlight - Google Patents
Motorcycle projector headlight Download PDFInfo
- Publication number
- CN102192456B CN102192456B CN201110048033.XA CN201110048033A CN102192456B CN 102192456 B CN102192456 B CN 102192456B CN 201110048033 A CN201110048033 A CN 201110048033A CN 102192456 B CN102192456 B CN 102192456B
- Authority
- CN
- China
- Prior art keywords
- reflecting surface
- light
- distribution patterns
- light distribution
- lens portion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
- F21S41/32—Optical layout thereof
- F21S41/33—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature
- F21S41/338—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature the reflector having surface portions added to its general concavity
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
- F21S41/25—Projection lenses
- F21S41/255—Lenses with a front view of circular or truncated circular outline
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2102/00—Exterior vehicle lighting devices for illuminating purposes
- F21W2102/10—Arrangement or contour of the emitted light
- F21W2102/17—Arrangement or contour of the emitted light for regions other than high beam or low beam
- F21W2102/18—Arrangement or contour of the emitted light for regions other than high beam or low beam for overhead signs
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
Abstract
A kind of motorcycle projector headlight, it has: the 1st reflecting surface; 2nd reflecting surface, it is configured near the outside of the openend of the 1st reflecting surface, makes to incide the 2nd reflecting surface from the light that light source radiation goes out, towards the light in the outside of the openend of the 1st reflecting surface; And diverging lens portion, it is configured on the direction of illumination from the reverberation of the 2nd reflecting surface, and diverging lens portion comprises: the light entrance face that the reverberation from the 2nd reflecting surface is incident; Exit facet, its diffused light reverberation from the 2nd reflecting surface inciding lens interior from light entrance face being become spread vertically and horizontally and penetrating, exit facet is configured to concave curved surface, this concave curved surface comprise in horizontal cross-section relative to major axis or minor axis symmetrical and to the oval circular arc of light entrance face lateral bend, further, comprise in vertical cross section in circle or ellipse, to circular arc, the elliptic arc of the side more top than the horizontal plane through circle or oval center and light entrance face lateral bend.
Description
Technical field
The present invention relates to motorcycle projector headlight, in particular to the motorcycle projector headlight that can form inclination (bank) light distribution patterns and overhead (overhead) light distribution patterns, wherein, described inclination light distribution patterns is used for throwing light on to region dimmed during body sway, and described overhead light distribution patterns is used for throwing light on to mark etc.
Background technology
In the past, in the field of motor automobile head light, propose the projector headlight be constructed as follows, that is: in order to when vehicle body is from orthostatism (with reference to Figure 17 (a)) run-off the straight, prevent the Delta Region A (with reference to Figure 17 (b)) causing the upper edge of the passing beam light distribution patterns P1 after by horizontal line H-H and this inclination to surround because of the main light distribution patterns P1 run-off the straight (with reference to Figure 17 (b)) of passing beam etc. dimmed, when body sway, (such as, patent document 1) is thrown light on to this Delta Region A.
As shown in figure 18, the projector headlight 200 recorded in patent document 1 has: passing beam lamp 210 and be configured in the steering indicating light 220 of the left and right sides of this passing beam lamp 210 respectively.
Passing beam lamp 210 is the headlamp that form of mode forming passing beam light distribution patterns P1 (with reference to Figure 19 (a)), and as shown in figure 18, it is same with general projector headlight, has projecting lens 211, light source 212, reflecting surface 213, lampshade (shade) 214 etc.
According to this passing beam lamp 210, to radiate from light source 212 and the part of light occurring at reflecting surface 213 to reflect is blocked by lampshade 214, projected by the picture of projecting lens 211 to it, thus form passing beam light distribution patterns P1 (with reference to Figure 19 (a)).
Steering indicating light 220 is the headlamp that can switch the additional light distribution patterns P3 shown in additional light distribution patterns P2 and Figure 19 (b) shown in Figure 19 (a), and as shown in Figure 20 (a), Figure 20 (b), it is same with general projector headlight, there is projecting lens 221, light source 222, reflecting surface 223, but lampshade 224 is different from general projector headlight.
Namely, the lampshade 224 of steering indicating light 220 is except the fastening lampshades 224a used in general projector headlight, also comprise movable lampshade 224b, this movable lampshade 224b moves between the retreating position shown in the shading position shown in Figure 20 (b) and Figure 20 (a) in response to the on/off of the console switch of direction indicator.
According to this steering indicating light 220, when the console switch of direction indicator disconnects, to radiate from light source 222 and the part of light occurring at reflecting surface 223 to reflect is blocked by the movable lampshade 224b being positioned at the shading position of Figure 20 (b), projected by the picture of projecting lens 221 to it, form the additional light distribution patterns P2 as shown in Figure 19 (a).On the other hand, when connecting the console switch of direction indicator, movable lampshade 224b moves to the retreating position of Figure 20 (a), therefore, radiate the lampshade 224a and the part of light occurring to reflect at reflecting surface 223 is fixed to block from light source 222, projected by the picture of projecting lens 221 to it, form the light distribution patterns P3 as shown in Figure 19 (b).Thus, to region dimmed during body sway (by when horizontal line H-H and body sway with the Delta Region A that the upper edge of the shape tilted morphogenetic passing beam light distribution patterns P1 surrounds, with reference to Figure 17 (b)) throw light on.
Patent document 1: Japanese Unexamined Patent Publication 2008-1306 publication
But, in the motorcycle projector headlight 200 of said structure, although can to region (the Delta Region A surrounded by the upper edge of the passing beam light distribution patterns P1 be formed obliquely when horizontal line H-H and body sway dimmed during body sway, with reference to Figure 17 (b)) throw light on, but, in the structure except passing beam is with except lamp 210, also add two steering indicating lights 220, therefore there is the problem that cost correspondingly increases.
Further, in the projector headlight 200 of said structure, in order to form the overhead light distribution patterns for throwing light on to mark etc., having to additionally increase its special optical system, there is the problem that cost increases further.
Summary of the invention
The present invention completes in view of above-mentioned condition, its object is to, with the cost lower than prior art, form the motorcycle projector headlight of inclination light distribution patterns and the overhead light distribution patterns that can be formed for throwing light on to region (region surrounded by the upper edge of the main light distribution patterns be formed obliquely when horizontal line and body sway) dimmed during body sway.
In order to solve the problem, the invention that first aspect present invention is recorded provides a kind of motorcycle projector headlight, and it has: projecting lens, light source, lampshade, it is configured between described projecting lens and described light source, and the 1st reflecting surface of ellipse of revolution shape, its the 1st focus is set near described light source, 2nd focus is set near the upper edge of described lampshade, and, this motorcycle projector headlight is configured to: a part for the light from described light source radiation and after described 1st reflecting surface reflects is blocked by described lampshade, projected by the picture of described projecting lens to it, thus, the vertical screen being configured in predetermined distance place, front forms main light distribution patterns, the feature of this motorcycle projector headlight is, have: the 2nd reflecting surface, it is configured near the outside of the openend of described 1st reflecting surface, make the light gone out from described light source radiation, light towards the outside of the openend of described 1st reflecting surface incides the 2nd reflecting surface, and diverging lens portion, it is configured on the direction of illumination from the reverberation of described 2nd reflecting surface, and described diverging lens portion comprises: the light entrance face that the reverberation from described 2nd reflecting surface is incident, and exit facet, its diffused light reverberation from described 2nd reflecting surface inciding lens interior from described light entrance face being become spread vertically and horizontally and penetrating, described exit facet is configured to concave curved surface, this concave curved surface comprise in horizontal cross-section relative to major axis or minor axis symmetrical, and to described light entrance face lateral bend oval circular arc or be equivalent to the curve of this oval circular arc, and, comprise in circle or ellipse in vertical cross section, to the circular arc of the side more top than the horizontal plane at the center through described circle or ellipse and described light entrance face lateral bend, elliptic arc or be equivalent to this circular arc, the curve of elliptic arc.
According to the invention that first aspect is recorded, the shape of exit facet (namely by Use Adjustment, the circular arc etc. comprised in the oval circular arc comprised in horizontal cross-section, vertical cross section is adjusted) diverging lens portion (namely, do not use multiple lamp), the inclination light distribution patterns for throwing light on to region dimmed during body sway and overhead light distribution patterns can be formed.
That is, according to the invention that first aspect is recorded, multiple lamp need not be needed as prior art, therefore, it is possible to the cost of respective amount lower than prior art, form the motorcycle projector headlight that can form inclination light distribution patterns and overhead light distribution patterns.
The feature of the invention that second aspect is recorded is, in the invention that first aspect is recorded, described 2nd reflecting surface is configured to recessed reflecting surface, this recessed reflecting surface comprises in horizontal cross-section that the 1st focus is set near described light source, the 2nd focus is set at the elliptic arc near described exit facet or be equivalent to the curve of this elliptic arc, further, in vertical cross section, comprise focus be set at the parabola near described light source or be equivalent to this parabolical curve.
According to the invention that second aspect is recorded, by the effect of the 2nd reflecting surface, directional light can be rendered as and the light converging at center in horizontal cross-section in vertical cross section by being transformed in the light gone out from light source radiation, towards the light in the outside of the openend of the 1st reflecting surface.And, because the 2nd focus of the 2nd reflecting surface is set near exit facet, therefore, even if when diverging lens portion is relative to projecting lens miniaturization, the light after carrying out this conversion also can be made reliably to incide diverging lens.Further, and the miniaturization in diverging lens portion can be realized correspondingly, can guarantee that projecting lens is large relative to the effective area in diverging lens portion.
The feature of the invention that the third aspect is recorded is, in the invention that first or second aspect are recorded, the shape of described exit facet is adjusted to, make the additional light distribution patterns of the inclination light distribution patterns forming the left and right sides comprising overhead light distribution patterns and be configured in this overhead light distribution patterns respectively above described main light distribution patterns, wherein, described inclination light distribution patterns is used for throwing light on to the region that the upper edge by the described main light distribution patterns be formed obliquely when horizontal line and body sway surrounds.
According to the invention that the third aspect is recorded, the shape of exit facet (namely by Use Adjustment, the circular arc etc. comprised in the oval circular arc comprised in horizontal cross-section, vertical cross section is adjusted) diverging lens portion (namely, do not use multiple lamp), thus the additional light distribution patterns of inclination light distribution patterns and the overhead light distribution patterns comprised for throwing light on to region dimmed during body sway can be formed.
That is, according to the invention that the third aspect is recorded, owing to not needing multiple lamps of prior art, therefore, it is possible to originally formed motorcycle projector headlight with the one-tenth of respective amount lower than prior art.
The feature of the invention that fourth aspect is recorded is, in the invention that either side is recorded in the first to the third aspect, the shape of described exit facet is adjusted to: make in the rectangular extent of 1 ° ~ 4 ° above being in left 10 ° ~ 10 °, the right side relative to plumb line and be in relative to horizontal line, form overhead light distribution patterns, and, being in left 10 ° ~ 45 ° and right 10 ° ~ 45 ° and above being in relative to horizontal line in the rectangular extent of 1 ° ~ 4 °, form left bank light distribution patterns and right bank light distribution patterns relative to plumb line.
According to the invention that fourth aspect is recorded, the shape of exit facet (namely by Use Adjustment, to the oval circular arc comprised in horizontal cross-section, the circular arc etc. comprised in vertical cross section adjusts) diverging lens portion (namely, do not use multiple lamp), left 10 ° ~ right 10 ° can be in relative to plumb line, and be in the rectangular extent of 1 ° ~ 4 °, top relative to horizontal line, form overhead light distribution patterns, and, left 10 ° ~ 45 ° and right 10 ° ~ 45 ° are being in relative to plumb line, and be in the rectangular extent of 1 ° ~ 4 °, top relative to horizontal line, form left bank light distribution patterns and right bank light distribution patterns.
The feature of the invention that the 5th aspect is recorded is, in the invention that either side is recorded in the first to the third aspect, described diverging lens portion and described projecting lens form as one.
According to the invention that the 5th aspect is recorded, because diverging lens portion and projecting lens form as one, therefore, it is possible to realize following object etc.: the alignment error preventing diverging lens portion, and the installation work-hour reducing diverging lens portion.
The feature of the invention that the 6th aspect is recorded is, in the invention that in first to the 5th, either side is recorded, described 2nd reflecting surface is configured near the lower outside of the openend of described 1st reflecting surface, to make the light gone out from described light source radiation, incide the 2nd reflecting surface towards the light of the lower outside of the openend of described 1st reflecting surface, described diverging lens portion is configured on the direction of illumination from the reverberation of described 2nd reflecting surface, on described lampshade, be formed with the opening that the reverberation from described 2nd reflecting surface is passed through.
According to the invention that the 6th aspect is recorded, diverging lens portion can be provided to be configured to than the 1st reflecting surface motorcycle projector headlight attractive in appearance more on the lower.
According to the present invention, can with the cost lower than prior art, form can be formed for region dimmed during body sway (by when horizontal line and body sway with the region that the upper edge of the main light distribution patterns such as the morphogenetic passing beam light distribution patterns of the shape tilted surrounds) motorcycle projector headlight of the inclination light distribution patterns that throws light on and overhead light distribution patterns.
Accompanying drawing explanation
Fig. 1 is the stereogram (eliminating lampshade 14) of the motorcycle projector headlight 100 of embodiments of the present invention.
Fig. 2 is the longitudinal section of the motorcycle projector headlight 100 shown in Fig. 1.
(a) in Fig. 3 is the overhead light distribution patterns P2 formed for illustration of motorcycle projector headlight 100 as shown in Figure 1
oH, inclination light distribution patterns P2
b, the passing beam figure of light distribution patterns P1 (during vehicle body orthostatism), (b) is for illustration of overhead light distribution patterns P2
oH, inclination light distribution patterns P2
b, the passing beam figure of light distribution patterns P1 (during inclination).
Fig. 4 is the top view of the motorcycle projector headlight 100 shown in Fig. 1.
Fig. 5 is the longitudinal section of the motorcycle projector headlight 100 shown in Fig. 1.
(a) in Fig. 6 is the top view of the projecting lens 11 (comprising diverging lens portion 22) used in the motorcycle projector headlight 100 shown in Fig. 1, and (b) is front view, and (c) is side view.
Fig. 7 is the enlarged drawing near diverging lens portion 22.
Fig. 8 is the figure (horizontal cross-section in diverging lens portion 22) forming additional light distribution patterns P2 for illustration of being made the light Ray2 from the 2nd reflecting surface 21 occur in the lateral direction to spread by diverging lens portion 22.
(a) in Fig. 9 schematically represents to make the light Ray2 from the 2nd reflecting surface 21 that the figure (the vertical cross section in diverging lens portion 22) of state spread occur in the vertical direction by diverging lens portion 22, and (b) is to adjust the figure (the vertical cross section in diverging lens portion 22) of the diffusion of above-below direction for illustration of the exit facet 22b by adjusting diverging lens portion 22.
Figure 10 is the shape for illustration of the exit facet 22b by adjustment diverging lens portion 22, makes the light Ray2 from the 2nd reflecting surface 21 occur in the lateral direction to spread and form the figure of uniform light distribution pattern.
Figure 11 is the shape for illustration of the exit facet 22b by adjustment diverging lens portion 22, makes the light Ray2 from the 2nd reflecting surface 21 occur in the lateral direction to spread and form the figure of central authorities' light distribution patterns brighter than both sides.
Figure 12 is the figure of the illumination (upper limit illumination in each region) representing the region more top than the horizontal line obtained according to standard (ECE Reg.113).
Figure 13 comprises overhead light distribution patterns P2
oHwith inclination light distribution patterns P2
bthe example of additional light distribution patterns P2.
Figure 14 is the longitudinal section of the variation 1 of the motorcycle projector headlight 100 shown in Fig. 1.
Figure 15 is the figure of the variation for illustration of projecting lens 11 and diverging lens portion 22.
Figure 16 is the longitudinal section of the variation 2 of the motorcycle projector headlight 100 shown in Fig. 1.
(a) in Figure 17 is the figure for illustration of the passing beam light distribution patterns P1 (during vehicle body orthostatism) formed by motorcycle projector headlight in the past, and (b) is the figure for illustration of the passing beam light distribution patterns P1 (during inclination) formed by motorcycle projector headlight in the past and problem points thereof.
Figure 18 is the top view of the structure for illustration of motorcycle projector headlight in the past.
(a) in Figure 19 is that (b) is the figure for illustration of additional light distribution patterns P2, passing beam light distribution patterns P1 (during inclination) for illustration of the additional pattern P2 of motorcycle projector headlight formation as shown in Figure 18, the figure of passing beam light distribution patterns P1 (during vehicle body orthostatism).
(a) in Figure 20 is the longitudinal section of the steering indicating light 220 shown in Figure 18, and (b) is the stereogram of lampshade 224.
Label declaration
100: motorcycle projector headlight 10: main luminous intensity distribution optical system
11: projecting lens 12: light source
13: the 1 reflectings surface 14: lampshade (shade)
14a: opening 20: attachment optical system
21: the 2 reflectings surface 22: diverging lens portion
22a: light entrance face 22b: exit facet
22b
cH: circular arc 22b
cV: circular arc
22b1: central lens face 22b2: lens face
Detailed description of the invention
Below, the motorcycle projector headlight of embodiments of the present invention is described with reference to accompanying drawing.
As shown in Figure 1 and Figure 2, the motorcycle projector headlight 100 of present embodiment has main luminous intensity distribution optical system 10 and attachment optical system 20.
[main luminous intensity distribution optical system 10]
Main luminous intensity distribution optical system 10 is such optical systems: consist of the light irradiating and form passing beam light distribution patterns P1 (with reference to Fig. 3 (a)), and as shown in Figure 1 and Figure 2, have with lower component etc. in the same manner as general projector headlight: projecting lens 11; Light source 12 (such as, halogen bulb, HID lamp bubble); 1st reflecting surface 13 of ellipse of revolution shape, its 1st focus is set near light source 12, the 2nd focus is set near the upper edge of lampshade 14; And lampshade 14, this lampshade 14 is configured between projecting lens 11 and light source 12 in the posture of the near focal point of projecting lens 11 with its upper edge.In addition, in FIG for convenience of explanation, lampshade 14 is eliminated.
According to this main luminous intensity distribution optical system 10, as shown in Figure 2, for radiating from light source 12 and light Ray1 after the 1st reflecting surface 13 reflects, its part is blocked by lampshade 14, projected by the picture of projecting lens 11 to it, thus, on the vertical screen being configured at front predetermined distance (about 25m) place, form passing beam light distribution patterns P1 (with reference to Fig. 3 (a)).
[attachment optical system 20]
Attachment optical system 20 is such optical systems: consist of the light irradiated for the formation of additional light distribution patterns P2, and this additional light distribution patterns P2 comprises the overhead light distribution patterns P2 for throwing light on to mark etc.
oH, and for region dimmed during body sway (by when horizontal line H-H and body sway with the Delta Region A that the upper edge of the shape tilted morphogenetic passing beam light distribution patterns P1 surrounds, with reference to Fig. 3 (b)) carry out the inclination light distribution patterns P2 that throws light on
b, and as shown in Figure 1 and Figure 2, this attachment optical system 20 has the 2nd reflecting surface 21 and diverging lens portion 22 etc.
As shown in Figure 1 and Figure 2,2nd reflecting surface 21 is configured near the upper outside of the openend of the 1st reflecting surface 13, to make the light radiated from light source 12, incides the 2nd reflecting surface 21 towards the light Ray2 (not inciding the 1st reflecting surface 13 and be not used in the light Ray2 forming passing beam light distribution patterns P1) of the upper outside of the openend of the 1st reflecting surface 13.In addition, the 2nd reflecting surface 21 both can form as one with the 1st reflecting surface 13, also can with the 1st reflecting surface 13 split form.
As shown in Figure 4, Figure 5,2nd reflecting surface 21 is such as configured to recessed reflecting surface, and this recessed reflecting surface comprises in horizontal cross-section that the 1st focal point F 1 is set near light source 12, the 2nd focal point F 2 is set at the elliptic arc C of (or near plane of incidence 22a) near exit facet 22b
h(with reference to Fig. 4) or be equivalent to this elliptic arc C
hcurve, and, in longitudinal section, comprise focal point F be set at parabola C near light source 12
v(with reference to Fig. 5) or be equivalent to this parabola C
vcurve.
In more detail, as shown in Figure 4, Figure 5, the 2nd reflecting surface 21 is configured to the curved surface formed in the following way, that is: in the 1st focal point F 1
abe set at neighbouring, the 2nd focal point F 2 of light source 12
abe set at the elliptic arc (being included in the horizontal cross-section A-A of the ellipsoid of revolution a shown in Fig. 5) near exit facet 22b, with the 1st focal point F 1
bbe set at neighbouring, the 2nd focal point F 2 of light source 12
bbe set between the elliptic arc (being included in the horizontal cross-section B-B of the reflecting surface b of the ellipse of revolution shape shown in Fig. 5) near exit facet 22b and set identical multiple elliptic arcs, use parabola C
v(with reference to Fig. 4) connects this multiple elliptic arc and forms above-mentioned curved surface.
As shown in Figure 5, according to the 2nd reflecting surface 21, directional light can be rendered as and the light converging at center in horizontal cross-section in vertical cross section by being transformed to towards the light Ray2 of the upper outside of the openend of the 1st reflecting surface 13 in the light radiated from light source 12.And, due to the 2nd focal point F 2 (F2 of the 2nd reflecting surface 21
a, F2
b) be set near exit facet 22b, therefore, even if when making diverging lens portion 22 relative to projecting lens 11 miniaturization, the light Ray2 after carrying out this conversion also can be made reliably to incide diverging lens portion 22.Further, and the miniaturization in diverging lens portion 22 can be realized correspondingly, can guarantee that projecting lens 11 is large relative to the effective area in diverging lens portion 22.
As shown in Fig. 6 (a) ~ Fig. 6 (c), diverging lens portion 22 is such as formed on the top (region surrounded by width W and height H) of projecting lens 11.Thereby, it is possible to realize following object etc.: the alignment error that can prevent diverging lens portion 22, and the installation work-hour that can reduce diverging lens portion 22.
Diverging lens portion 22 comprises: the light entrance face 22a that the reverberation Ray2 from the 2nd reflecting surface 21 is incident; Exit facet 22b, its diffused light reverberation Ray2 from the 2nd reflecting surface 21 inciding lens interior from light entrance face 22a being become spread vertically and horizontally and penetrating.
In addition, the right lateral part 22b3 in the left side in diverging lens portion 22 (with reference to Fig. 6 (a)) is the so-called coupling part mainly arranged for the reason of shaping aspect.About the height dimension H (with reference to Fig. 6 (a)) in diverging lens portion 22, when considering the illumination etc. obtained according to standard (ECE Reg.113), be preferably more than 6mm, and when considering light quantity, be preferably 8 ~ 10mm.Diverging lens portion 22 is configured to the height identical with the 2nd reflecting surface 21, makes the reverberation (parallel rays) from the 2nd reflecting surface 21 generally perpendicularly incide light entrance face 22a.
Consider formability, light entrance face 22a is configured to vertical.In addition, light entrance face 22a also can be the face beyond vertical.
Fig. 7 is the enlarged drawing near diverging lens portion 22.
Exit facet 22b is configured to concave curved surface (concavees lens face) as described below, that is, this concave curved surface comprise in horizontal cross-section relative to major axis or minor axis symmetrical and to the oval circular arc 22b of light entrance face 22a lateral bend
cH(with reference to Fig. 7, Fig. 8) or be equivalent to this oval circular arc 22b
cHcurve, and, comprise in longitudinal section in circle or ellipse, to the circular arc 22b of the side more top than the horizontal plane through this circle or oval center C and light entrance face 22a lateral bend
cV(with reference to Fig. 7, Fig. 9 (a), Fig. 9 (b)), elliptic arc or be equivalent to their curve.
According to this diverging lens portion 22, by the shape of adjustment exit facet 22b, that is, the oval circular arc 22b by comprising in adjustment horizontal cross-section
cHor be equivalent to this oval circular arc 22b
cHcurve (such as, adjust as oval circular arc 22b
cHthe shape/size of ellipse on basis) adjust light Ray2 diffusion in the lateral direction (with reference to Fig. 8, Figure 10, Figure 11) as directional light incidence, and the circular arc 22b by comprising in the vertical cross section of adjustment
cVor be equivalent to circular arc 22b
cVcurve (such as, adjust as circular arc 22b
cVthe circle on basis or the shape/size of ellipse) adjust as directional light incidence light Ray2 diffusion in the vertical direction (with reference to Fig. 9 (a), Fig. 9 (b)), thereby, it is possible to form the different various light distribution patterns of Illumination Distribution (with reference to Fig. 8, Figure 10, Figure 11).
Figure 12 is the figure of the illumination (upper limit illumination in each region) representing the region more top than the horizontal line H-H obtained according to standard (ECE Reg.113).
In the present embodiment, Delta Region A (with reference to Fig. 3 (b)) dimmed when considering the upper limit illumination shown in Figure 12 and body sway, thus as shown in figure 13, set following additional light distribution patterns as additional light distribution patterns P2, described additional light distribution patterns comprises: overhead light distribution patterns P2
oH(illumination: below 1.08Lx); And be configured in overhead light distribution patterns P2 respectively
oHthe inclination light distribution patterns P of the left and right sides
2B(illumination: about 2Lx), they are for throwing light on to Delta Region A (with reference to Fig. 3 (b)) dimmed during body sway.
Further, to the oval circular arc 22b comprised in horizontal cross-section
cHor be equivalent to this oval circular arc 22b
cHcurve carry out adjusting and (such as, adjust as oval circular arc 22b
cHthe shape/size of ellipse on basis), and to the circular arc 22b comprised in vertical cross section
cVor be equivalent to this circular arc 22b
cVcurve carry out adjusting and (such as, adjust as circular arc 22b
cVthe circle on basis or the shape/size of ellipse), the additional light distribution patterns P2 on the vertical screen being configured in front predetermined distance (about 25m) place, shown in Figure 13 is made to be formed in the top of passing beam light distribution patterns P1, thus, have adjusted the shape of exit facet 22b.
As shown in Figure 8, according to as above adjustment after diverging lens portion 22, spread vertically and horizontally under inciding the effect of the central lens face 22b1 of the reverberation Ray2 from the 2nd reflecting surface 21 in exit facet 22b of inside, diverging lens portion 22, being in left 10 ° ~ right 10 ° and above being in relative to horizontal line H-H in the rectangular extent of 1 ° ~ 4 °, form the overhead light distribution patterns P2 meeting the illumination obtained according to standard (ECE Reg.113) relative to plumb line V-V
oH(illumination: below 1.08Lx) (with reference to Figure 13).
And, according to carrying out the diverging lens portion 22 after above-mentioned adjustment, as shown in Figure 8, under inciding the effect of the lens face 22b2 of the left and right sides of the central lens face 22b1 of the reverberation Ray2 from the 2nd reflecting surface 21 in exit facet 22b of inside, diverging lens portion 22, spread vertically and horizontally (particularly larger diffusion occurring in the lateral direction), being in left 10 ° ~ 45 ° and right 10 ° ~ 45 ° and above being in relative to trunnion axis in the rectangular extent of 1 ° ~ 4 °, formed than overhead light distribution patterns P2 relative to plumb line
oHthe left bank light distribution patterns P2 that (illumination: below 1.08Lx) is bright
b(and right bank light distribution patterns P2
b, the illumination of any one party is: about 2Lx) and (with reference to Figure 13).By this left bank light distribution patterns P2
b(and right bank light distribution patterns P2
b), Delta Region A (with reference to Fig. 3 (b)) dimmed during body sway is thrown light on.Thereby, it is possible to improve the visual confirmation of body sway hour hands road pavement, barrier etc.
As described above, according to the present embodiment, by Use Adjustment, the shape of exit facet 22b (that is, have adjusted the oval circular arc 22b comprised in horizontal cross-section
cHwith the circular arc 22b comprised in vertical cross section
cVdeng) a diverging lens portion 22 (that is, not using multiple lamp), the inclination light distribution patterns P2 for throwing light on to Delta Region A dimmed during body sway (with reference to Fig. 3 (b)) can be formed
b(illumination: 2Lx degree) and overhead light distribution patterns P2
oH(illumination: below 1.08Lx) (with reference to Fig. 8).Namely, according to the present embodiment, due to multiple lamp 220 grade (with reference to Figure 17) need not be needed as prior art, therefore, with the cost of respective amount lower than prior art, the motorcycle projector headlight 100 that can form inclination light distribution patterns and overhead light distribution patterns can be formed.
Further, according to the present embodiment, by Use Adjustment, the shape of exit facet 22b (that is, have adjusted the oval circular arc 22b comprised in horizontal cross-section
cHwith the circular arc 22b comprised in vertical cross section
cVdeng) a diverging lens portion 22 (namely, do not use multiple lamp), following light distribution patterns can be formed, that is: being in left 10 ° ~ right 10 ° and the overhead light distribution patterns P2 that spreads occurs in the rectangular extent of 1 ° ~ 4 ° above being in relative to horizontal line H-H relative to plumb line V-V
oH(illumination: below 1.08Lx); And being in left 10 ° ~ 45 ° and right 10 ° ~ 45 ° and the left bank light distribution patterns P2 that spreads occurs in the rectangular extent of 1 ° ~ 4 ° above being in relative to horizontal line H-H relative to plumb line V-V
bwith right bank light distribution patterns P2
b(either party illumination is: about 2Lx) (with reference to Fig. 8, Figure 13).
Then, variation is described.
In the above-described embodiment, describe the example using halogen bulb, HID lamp bubble as the light source 12 of main luminous intensity distribution optical system 10, but the present invention is not limited thereto.Such as, as shown in figure 14, as the light source of main luminous intensity distribution optical system 10, also LED can be used.Now, application only only configures reflecting surface 13, thereby, it is possible to realize the miniaturization of the height dimension of projector headlight 100 to the LED characteristic of half direction of bowl radiating light in upside.
Further, in the above-described embodiment, describe the situation that diverging lens portion 22 is integrally formed in the top of projecting lens 11, but the present invention is not limited thereto.Such as, diverging lens portion 22 as shown in figure 15 and the cross section of projecting lens 11 like that, also can form diverging lens portion 22 and projecting lens 11 in split ground.
Further, in the above-described embodiment, describe the 2nd reflecting surface 21 is configured in the openend of the 1st reflecting surface 13 upper outside near, diverging lens portion 22 is configured in the example on the top of projecting lens 11, but to the present invention is not limited thereto.Such as, as shown in figure 16, also the 2nd reflecting surface 21 can be configured near the lower outside of the openend of the 1st reflecting surface 13, diverging lens portion 22 be configured in the bottom of projecting lens 11.Now, preferably, on lampshade 14, formation makes the opening 14a passed through from the reverberation of the 2nd reflecting surface 21 inciding inside, diverging lens portion 22 from light entrance face 22a.Thereby, it is possible to provide diverging lens portion 22 to be configured in the motorcycle projector headlight attractive in appearance of more below relative to the 1st reflecting surface 13.
Further, in the above-described embodiment, describe the situation that main luminous intensity distribution optical system 10 is configured to the light irradiated for the formation of passing beam light distribution patterns P1 (with reference to Fig. 3 (a)), but the present invention is not limited thereto.Such as, main luminous intensity distribution optical system 10 also can be configured to irradiate the optical system for the formation of the light of driving beam light distribution patterns.That is, main light distribution patterns also can be driving beam light distribution patterns.
All aspects of above-mentioned embodiment are all only exemplary.The present invention can't help these records and carries out determinate explanation.The present invention can utilize other various modes to implement in the scope not departing from its spirit or principal character.
Claims (5)
1. a motorcycle projector headlight, it has: projecting lens, light source, lampshade, it is configured between described projecting lens and described light source, and the 1st reflecting surface of ellipse of revolution shape, its the 1st focus is set near described light source, 2nd focus is set near the upper edge of described lampshade, and, this motorcycle projector headlight is configured to: a part for the light from described light source radiation and after described 1st reflecting surface reflects is blocked by described lampshade, by described projecting lens, the picture inciding the light of described projecting lens after reflecting on described 1st reflecting surface is projected, thus, the vertical screen being configured in predetermined distance place, front forms main light distribution patterns, the feature of this motorcycle projector headlight is, have:
2nd reflecting surface, it is configured near the outside of the openend of described 1st reflecting surface, to make the light gone out from described light source radiation, incides the 2nd reflecting surface towards the light in the outside of the openend of described 1st reflecting surface; And
Diverging lens portion, it is configured on the direction of illumination from the reverberation of described 2nd reflecting surface,
Described diverging lens portion comprises: the light entrance face that the reverberation from described 2nd reflecting surface is incident; And exit facet, its diffused light reverberation from described 2nd reflecting surface inciding lens interior from described light entrance face being become spread vertically and horizontally and penetrating,
Described exit facet is configured to concave curved surface, this concave curved surface comprise in horizontal cross-section relative to major axis or minor axis symmetrical and to described light entrance face lateral bend oval circular arc or be equivalent to the curve of this oval circular arc, and, in vertical cross section, comprise in circle or ellipse, circular arc to the side more top than the horizontal plane at the center through described circle or ellipse and described light entrance face lateral bend, elliptic arc or be equivalent to the curve of this circular arc, elliptic arc
Described 2nd reflecting surface is configured to recessed reflecting surface, this recessed reflecting surface comprises in horizontal cross-section that the 1st focus is set near described light source, the 2nd focus is set at the elliptic arc near described exit facet or be equivalent to the curve of this elliptic arc, further, in vertical cross section, comprise focus be set at the parabola near described light source or be equivalent to this parabolical curve.
2. motorcycle projector headlight according to claim 1, is characterized in that,
The shape of described exit facet is adjusted to, make the additional light distribution patterns of the inclination light distribution patterns forming the left and right sides comprising overhead light distribution patterns and be configured in this overhead light distribution patterns respectively above described main light distribution patterns, wherein, described inclination light distribution patterns is used for throwing light on to the region that the upper edge by the described main light distribution patterns be formed obliquely when horizontal line and body sway surrounds.
3. motorcycle projector headlight according to claim 1, is characterized in that,
The shape of described exit facet is adjusted to: make in the rectangular extent of 1 ° ~ 4 ° above being in left 10 ° ~ 10 °, the right side relative to plumb line and be in relative to horizontal line, form overhead light distribution patterns, and, being in left 10 ° ~ 45 ° and right 10 ° ~ 45 ° and above being in relative to horizontal line in the rectangular extent of 1 ° ~ 4 °, form left bank light distribution patterns and right bank light distribution patterns relative to plumb line.
4. motorcycle projector headlight according to claim 1, is characterized in that,
Described diverging lens portion and described projecting lens form as one.
5. motorcycle projector headlight according to claim 1, is characterized in that,
Described 2nd reflecting surface is configured near the lower outside of the openend of described 1st reflecting surface, to make the light gone out from described light source radiation, incides the 2nd reflecting surface towards the light of the lower outside of the openend of described 1st reflecting surface,
Described diverging lens portion is configured on the direction of illumination from the reverberation of described 2nd reflecting surface,
On described lampshade, be formed with the opening that the reverberation from described 2nd reflecting surface is passed through.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010044472A JP5510805B2 (en) | 2010-03-01 | 2010-03-01 | Projector headlamps for motorcycles |
| JP2010-044472 | 2010-03-01 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102192456A CN102192456A (en) | 2011-09-21 |
| CN102192456B true CN102192456B (en) | 2015-11-04 |
Family
ID=44115646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110048033.XA Active CN102192456B (en) | 2010-03-01 | 2011-02-28 | Motorcycle projector headlight |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP2366940B1 (en) |
| JP (1) | JP5510805B2 (en) |
| CN (1) | CN102192456B (en) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5692521B2 (en) * | 2011-03-29 | 2015-04-01 | スタンレー電気株式会社 | Motorcycle headlights |
| JP5937310B2 (en) * | 2011-07-19 | 2016-06-22 | 株式会社小糸製作所 | Vehicle headlamp |
| JP5941298B2 (en) * | 2011-11-29 | 2016-06-29 | 株式会社小糸製作所 | Lighting fixtures for vehicles |
| US9340147B2 (en) | 2011-11-29 | 2016-05-17 | Koito Manufacturing Co., Ltd. | Vehicle lamp |
| JP5901411B2 (en) * | 2012-04-27 | 2016-04-06 | 株式会社小糸製作所 | Lamp unit |
| JP6266860B2 (en) * | 2012-06-08 | 2018-01-24 | 株式会社小糸製作所 | Motorcycle headlamp |
| JP6003434B2 (en) * | 2012-09-13 | 2016-10-05 | 市光工業株式会社 | Vehicle lighting |
| JP6028487B2 (en) * | 2012-09-20 | 2016-11-16 | 市光工業株式会社 | Vehicle lighting |
| WO2014057681A1 (en) | 2012-10-11 | 2014-04-17 | 三菱電機株式会社 | Vehicle headlight device |
| DE102013211878A1 (en) * | 2013-06-24 | 2014-12-24 | Bayerische Motoren Werke Aktiengesellschaft | Headlight for a motorcycle |
| JP6130602B2 (en) * | 2014-07-08 | 2017-05-17 | 三菱電機株式会社 | Headlight module and headlight device |
| CN110553213B (en) * | 2018-06-01 | 2022-01-07 | 深圳市绎立锐光科技开发有限公司 | Light source module |
| US11686448B1 (en) | 2022-03-19 | 2023-06-27 | Wei Liu | Apparatus of projector headlights |
| CN115079499A (en) * | 2022-07-22 | 2022-09-20 | 常州星宇车灯股份有限公司 | Dynamic projection module applied to car lamp and design method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6382822B1 (en) * | 1999-05-17 | 2002-05-07 | Koito Manufacturing Co., Ltd. | Vehicular lamp |
| CN1098436C (en) * | 1996-11-18 | 2003-01-08 | 本田技研工业株式会社 | Front lamp for motive bicycle |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3430273A1 (en) * | 1984-08-17 | 1986-02-27 | Robert Bosch Gmbh, 7000 Stuttgart | HEADLIGHTS FOR LOW BEAM OR FOG LIGHTS OF MOTOR VEHICLES |
| EP0221416B1 (en) * | 1985-11-07 | 1995-09-27 | Robert Bosch Gmbh | Dipped-beam head light or fog light for motor vehicles |
| JPH02177203A (en) * | 1988-12-28 | 1990-07-10 | Yamaha Motor Co Ltd | Front lighting device for vehicle |
| US4930051A (en) * | 1989-04-07 | 1990-05-29 | General Electric Company | Headlamp with sloped lens including beam-spreading flutes |
| JP4062662B2 (en) * | 2001-11-07 | 2008-03-19 | スタンレー電気株式会社 | Lighting fixtures for vehicles |
| DE102004024107B4 (en) * | 2004-05-14 | 2011-07-28 | Docter Optics GmbH, 07806 | Headlight lens for a motor vehicle headlight |
| FR2883066B1 (en) * | 2005-03-08 | 2007-05-11 | Valeo Vision Sa | MULTI-FUNCTION LIGHT PROJECTOR FOR MOTOR VEHICLE |
| DE102005039808A1 (en) * | 2005-08-22 | 2007-03-15 | Docter Optics Gmbh | Headlight lens for a vehicle headlight |
| JP2008001306A (en) | 2006-06-26 | 2008-01-10 | Koito Mfg Co Ltd | Headlight system for motorcycle |
| JP4864562B2 (en) * | 2006-06-26 | 2012-02-01 | 株式会社小糸製作所 | Motorcycle lamp system |
| FR2904091B1 (en) * | 2006-07-21 | 2009-03-06 | Valeo Vision Sa | OPTICAL MODULE FOR MOTOR VEHICLE PROJECTOR |
| FR2919377B1 (en) * | 2007-07-25 | 2013-08-23 | Valeo Vision | OPTICAL MODULE WITH TRANSVERSE LIGHT SOURCE FOR AUTOMOTIVE PROJECTORS |
| JP5212785B2 (en) | 2008-02-22 | 2013-06-19 | スタンレー電気株式会社 | Vehicle headlamp |
| JP5257747B2 (en) * | 2008-03-26 | 2013-08-07 | スタンレー電気株式会社 | Vehicle headlamp |
| JP4811429B2 (en) * | 2008-05-07 | 2011-11-09 | 市光工業株式会社 | Projector type headlamp |
| JP5070129B2 (en) * | 2008-05-22 | 2012-11-07 | 株式会社小糸製作所 | Lighting fixtures for vehicles |
-
2010
- 2010-03-01 JP JP2010044472A patent/JP5510805B2/en active Active
-
2011
- 2011-02-28 CN CN201110048033.XA patent/CN102192456B/en active Active
- 2011-03-01 EP EP11001696.1A patent/EP2366940B1/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1098436C (en) * | 1996-11-18 | 2003-01-08 | 本田技研工业株式会社 | Front lamp for motive bicycle |
| US6382822B1 (en) * | 1999-05-17 | 2002-05-07 | Koito Manufacturing Co., Ltd. | Vehicular lamp |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5510805B2 (en) | 2014-06-04 |
| EP2366940B1 (en) | 2018-05-16 |
| EP2366940A3 (en) | 2016-05-11 |
| EP2366940A2 (en) | 2011-09-21 |
| CN102192456A (en) | 2011-09-21 |
| JP2011181342A (en) | 2011-09-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102192456B (en) | Motorcycle projector headlight | |
| CN1676987B (en) | Vehicle illumination lamp | |
| US8348486B2 (en) | Vehicular lamp unit and vehicular lamp | |
| JP4089866B2 (en) | Light projecting unit and LED vehicle illumination lamp comprising the light projecting unit | |
| EP1794491B1 (en) | Led collimator element with an asymmetrical collimator | |
| EP2187116B1 (en) | Vehicular lamp unit and vehicular lamp | |
| EP2182272B1 (en) | Vehicular lamp unit and vehicular lamp | |
| CN102062341B (en) | Lamps apparatus for vehicle | |
| CN102734725B (en) | The headlamp of motor bike | |
| CN110094688B (en) | Intelligent head lamp | |
| CN110094689B (en) | Intelligent head lamp | |
| JP2003016813A (en) | Projector-type lamp | |
| JP5033530B2 (en) | Light source unit for vehicle lamp | |
| JPH01260702A (en) | Automobile headlight reflector which looks down or can be made to look down | |
| CN100487302C (en) | Vehicle light | |
| US7775698B2 (en) | Vehicle lamp | |
| US6471383B1 (en) | Headlamp for vehicle | |
| CN100494771C (en) | Vehicle lamps | |
| JPH09213103A (en) | Headlight for vehicle | |
| US6742920B2 (en) | Vehicle headlamp having extended illumination on both sides of a horizontal cut-line | |
| KR20140032305A (en) | Vehicle lighting unit | |
| JP4038649B2 (en) | Lighting device | |
| JP4382633B2 (en) | Projector type lamp | |
| JP3562687B2 (en) | Projector type lamp | |
| JP2004047327A (en) | Projector-type lighting fixture for vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |