CN209213729U - A kind of light fixture that distance-light can be achieved at the same time - Google Patents
A kind of light fixture that distance-light can be achieved at the same time Download PDFInfo
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- CN209213729U CN209213729U CN201920075801.2U CN201920075801U CN209213729U CN 209213729 U CN209213729 U CN 209213729U CN 201920075801 U CN201920075801 U CN 201920075801U CN 209213729 U CN209213729 U CN 209213729U
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Abstract
The utility model relates to lighting areas, are specifically related to a kind of light fixture that distance-light can be achieved at the same time, including a lens, low beam light source and high-beam light source, and the lens have an incidence surface and a light-emitting surface, which is a flat surface, which is convex surface；The low beam light source and high-beam light source are all disposed on the side of the lens incidence surface, and low beam light source and high-beam light source are arranged on the focal plane of the lens, the incidence surface of the light that the low beam light source and high-beam light source issue towards lens is emitted, near the intersection point that the optical axis that the high-beam light source is located at the lens intersects with focal plane on region, the low beam light source is located above high-beam light source, to realize the switching of distance-light by lighting instant and near light light source respectively.
Description
Technical field
The utility model relates to lighting areas, are specifically related to a kind of light fixture that distance-light can be achieved at the same time.
Background technique
The headlamp of the vehicles such as car headlamp has its unique light distribution structure, can also be divided according to luminous type
For high beam and dipped headlight.Such as the light that high beam issues is shot forward straight after the reflection of lampshade reflector, it is " remote with formation
Light ".The light that dipped headlight issues keeps off the top half to lampshade reflector to barn door, and the light reflected away is all unrestrained downward
Directive ground, with formation " dipped beam ", to will not cause to dazzle the eyes to the driver of opposite car, the illumination mould with distance-light at present
Group, light barrier realize that distance-light is converted by solenoid valve control light barrier, and structure is complicated for the illumination module, cost is high,
And solenoid valve is easy to damage, and the service life is short and maintenance cost is high.
Utility model content
The utility model is intended to provide a kind of light fixture that distance-light can be achieved at the same time, to solve the above problem.
Concrete scheme is as follows:
A kind of light fixture that distance-light can be achieved at the same time, including a lens, low beam light source and high-beam light source, the lens
With an incidence surface and a light-emitting surface, which is a flat surface, which is convex surface；The low beam light source and high-beam light source
It is all disposed on the side of the lens incidence surface, and the focal plane of the lens is arranged in low beam light source and high-beam light source
On, the incidence surface of light towards lens that the low beam light source and high-beam light source issue is emitted, and the high-beam light source is located at described
Near the intersection point that the optical axis of lens intersects with focal plane on region, the low beam light source is located above high-beam light source.
Further, there is an angle α, and the incidence surface of the lens is toward far between the incidence surface and focal plane of the lens
It is tilted from low beam light source direction, wherein α=0~10 °.
Further, angle α=5 ° between the incidence surface and focal plane of the lens.
Further, the light-emitting surface of the lens is elliposoidal convex surface.
Further, the vertical range between the focal plane and incidence surface is 10~40mm, the lens light-emitting surface
Vertical range between vertex and incidence surface is 10~35mm.
Further, the vertical range between the focal plane and incidence surface is 22mm, the top of the lens light-emitting surface
Vertical range between point and incidence surface is 25mm.
Further, the high-beam light source and low beam light source all include several LED lamp beads, with the optical axis of the lens
The intersection point intersected with focal plane is that origin forms two-dimensional coordinates XY axis, all LED light of the high-beam light source on focal plane
Pearl is respectively positioned in X-axis, and all LED lamp bead rings of the low beam light source are located at high-beam light source side, and is respectively positioned on above X-axis.
Further, the high-beam light source and low beam light source all include several LED lamp beads, with the optical axis of the lens
The intersection point intersected with focal plane is that origin forms two-dimensional coordinates XY axis, all LED light of the high-beam light source on focal plane
A portion of pearl is located in X-axis, and another part is located at below X-axis, and the LED lamp bead that is located in X-axis and is located at below X-axis
LED lamp bead shift to install, all LED lamp bead rings of the low beam light source are located at high-beam light source side, and are respectively positioned in X-axis
Side.
The light fixture provided by the utility model that distance-light can be achieved at the same time has following excellent compared with prior art
Point: when low beam light source is lighted, the light that low beam light source issues is after lens reflect light fixture provided by the utility model
Form the hot spot for meeting dipped beam regulation for having dead line；When high-beam light source is lighted, the light that high-beam light source issues is by saturating
It is smaller that left and right width is formed after mirror refraction, the higher hot spot for meeting distance light regulation of brightness, by lighting instant and near light light source respectively
Realize the switching of distance-light, structure is simple, volume is also smaller, and is without the use of solenoid valve and light barrier, cost-saved.
Detailed description of the invention
Fig. 1 shows the stereoscopic schematic diagram of light fixture.
Fig. 2 shows the front views of light fixture.
Fig. 3 shows the side view of light fixture.
Fig. 4 shows the front view of another light fixture.
Fig. 5 shows the hot spot figure of dipped beam.
Fig. 6 shows the hot spot figure of distance light.
Fig. 7 a shows the first arrangement schematic diagram of low beam light source and high-beam light source.
Fig. 7 b shows second of arrangement schematic diagram of low beam light source and high-beam light source.
Fig. 7 c shows the third arrangement schematic diagram of low beam light source and high-beam light source.
Fig. 8 shows the 4th kind of arrangement schematic diagram of low beam light source and high-beam light source.
Specific embodiment
To further illustrate each embodiment, the utility model is provided with attached drawing.These attached drawings are in the utility model discloses
A part of appearance mainly to illustrate embodiment, and can cooperate the associated description of specification former come the running for explaining embodiment
Reason.Cooperation refers to these contents, and those of ordinary skill in the art will be understood that other possible embodiments and sheet are practical new
The advantages of type.Component in figure is not necessarily to scale, and similar component symbol is conventionally used to indicate similar component.
Now in conjunction with the drawings and specific embodiments, the present invention will be further described.
As shown in Figure 1-Figure 3, the utility model provides a kind of light fixture that distance-light can be achieved at the same time, the illumination group
Part includes a lens 10, low beam light source 20 and high-beam light source 30, is needed it is clear that for the volume of lens, low beam light source
20 and the volume of high-beam light source 30 to be much smaller than lens, therefore low beam light source 20 and high-beam light source 30 can approximation see light as
Source.
The lens 10 have an incidence surface 100 and a light-emitting surface 102, which is a flat surface, the light-emitting surface
102 be convex surface；The low beam light source and high-beam light source are all disposed on the side of the lens incidence surface, and low beam light source
20 and high-beam light source 30 be arranged on the focal plane of the lens, the light direction that the low beam light source 20 and high-beam light source 30 issue
The incidence surface of lens is emitted, near the intersection point that the optical axis A that the high-beam light source 30 is located at the lens 10 intersects with focal plane
On region, it is described here near region refer to high-beam light source 30 be located substantially on the intersection point that optical axis A intersects with focal plane or
It is slightly displaced from, for lens 10, high-beam light source 30 can be used as its point on the intersection point that optical axis A intersects with focal plane
Light source, the low beam light source 20 are located at 30 top of high-beam light source.
In the present embodiment, with reference to Fig. 4, preferably, having a folder between the incidence surface 100 of the lens 10 and focal plane
Angle α, and the incidence surface 100 of the lens is tilted toward far from 20 direction of low beam light source, wherein α=0~10 °, wherein it is preferred that α=5 °,
I.e. as shown in figure 4, lens 10 are toward 5 ° of extrinsic deflection, so that the hot spot that the light fixture is formed more meets dipped beam regulation and distance light
Regulation.Need herein it is clear that, above and hereinafter mentioned focal plane and optical axis A each mean the original before lens are non deflected
Beginning focal plane and original optical axis.
When low beam light source 20 is lighted, the light that low beam light source 20 issues is formed after the refraction of lens 10 has dead line
The hot spot for meeting dipped beam regulation, dipped beam light spot shape is as shown in Figure 5；When high-beam light source 30 is lighted, what high-beam light source issued
Light formation left and right width after the refraction of lens 10 is smaller, the higher hot spot for meeting distance light regulation of brightness, distance light hot spot shape
Shape is as shown in Figure 6.
With reference to Fig. 1-Fig. 4, in the present embodiment, preferably, the light-emitting surface of the lens is elliposoidal convex surface, need specific
It is that spheroid shape convex surface mentioned here refers to that the light-emitting surface matches with a portion in spheroid shape surface, and is not necessarily referring to
The light-emitting surface of the lens is the shape of entire elliposoidal.
Wherein, elliposoidal convex surface can be indicated by surface fitting formula:
Z=p10*x+p01*y+p20*x^2+p11*x*y+p02*y^2+p30*x^3+p21*x^2*y+ p12*x*y^2+
p03*y^3+p40*x^4+p31*x^3*y+p22*x^2*y^2+p13*x*y^3+p04*y^4+p50*x^5+p41*x^4*y+
p32*x^3*y^2+p23*x^2*y^3+p14*x*y^4+p05*y^5+p60*x^6+p51*x^5*y+p42*x^4*y^2+p33*x
^3*y^3+p24*x^2*y^4+p15*x^1*y^5+p06*y^6
Wherein the value range of p is as follows:
With reference to Fig. 2, preferably, the vertical range between the focal plane and incidence surface is L1, and L1 is preferably 10~40mm,
Vertical range between the vertex and incidence surface of the lens light-emitting surface is the thickness in L2 namely lens thickness, and L2 is preferably
10~35mm.More optimizedly L1=22mm, L2=25mm.
With reference to Fig. 7 a- Fig. 7 c and Fig. 8, the high-beam light source 30 and low beam light source 20 all include several LED lamp beads,
What what the LED lamp bead in figure with hacures represented be that low beam light source, LED lamp bead without hacures represent is distance light light
Source, the intersection point intersected using the optical axis of the lens with focal plane form two-dimensional coordinates XY reference axis as origin on focal plane,
The LED lamp bead of high-beam light source and low beam light source has a variety of laying modes.
As shown in Fig. 7 a- Fig. 7 c, wherein all LED lamp beads of the high-beam light source are respectively positioned in X-axis, the dipped beam
All LED lamp bead rings of light source are located at high-beam light source side, and are respectively positioned on above X-axis.
Or as shown in Figure 8, a portion of all LED lamp beads of the high-beam light source is located in X-axis, another portion
Quartile is located at LED lamp bead and the LED lamp bead below X-axis in X-axis and shifts to install below X-axis, the low beam light source
All LED lamp bead rings be located at high-beam light source side, and be respectively positioned on above X-axis.
Although specifically showing and describing the utility model in conjunction with preferred embodiment, those skilled in the art is answered
This is understood, in the spirit and scope for not departing from the utility model defined by the appended claims, in form and details
On the utility model can be made a variety of changes, be the protection scope of the utility model.
Claims (8)
1. a kind of light fixture that distance-light can be achieved at the same time, it is characterised in that: including a lens, low beam light source and distance light light
Source, the lens have an incidence surface and a light-emitting surface, which is a flat surface, which is convex surface；The dipped beam light
Source and high-beam light source are all disposed on the side of the lens incidence surface, and low beam light source and high-beam light source setting are saturating at this
On the focal plane of mirror, the incidence surface of light towards lens that the low beam light source and high-beam light source issue is emitted, the distance light light
Near the intersection point that the optical axis that source is located at the lens intersects with focal plane on region, the low beam light source is located on high-beam light source
Side.
2. light fixture according to claim 1, it is characterised in that: have between the incidence surface and focal plane of the lens
One angle α, and the incidence surface of the lens is tilted toward far from low beam light source direction, wherein α=0~10 °.
3. light fixture according to claim 2, it is characterised in that: the folder between the incidence surface and focal plane of the lens
Angle α=5 °.
4. light fixture according to claim 1, it is characterised in that: the light-emitting surface of the lens is elliposoidal convex surface.
5. light fixture according to claim 4, it is characterised in that: the vertical range between the focal plane and incidence surface
For 10~40mm, the vertical range between the vertex and incidence surface of the light-emitting surface of the lens is 10~35mm.
6. light fixture according to claim 5, it is characterised in that: the vertical range between the focal plane and incidence surface
For 22mm, the vertical range between the vertex and incidence surface of the light-emitting surface of the lens is 25mm.
7. light fixture according to claim 1, it is characterised in that: if the high-beam light source and low beam light source all include
Dry LED lamp bead, forms two-dimensional coordinates as origin using the intersection point that the optical axis of the lens intersects with focal plane on focal plane
All LED lamp beads of XY axis, the high-beam light source are respectively positioned in X-axis, and all LED lamp bead rings of the low beam light source are located at distance light
Light source side, and be respectively positioned on above X-axis.
8. light fixture according to claim 1, it is characterised in that: if the high-beam light source and low beam light source all include
Dry LED lamp bead, forms two-dimensional coordinates as origin using the intersection point that the optical axis of the lens intersects with focal plane on focal plane
A portion of XY axis, all LED lamp beads of the high-beam light source is located in X-axis, and another part is located at below X-axis, and position
It is shifted to install in the LED lamp bead in X-axis and the LED lamp bead below X-axis, all LED lamp bead rings of the low beam light source are set
In high-beam light source side, and it is respectively positioned on above X-axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920075801.2U CN209213729U (en) | 2019-01-17 | 2019-01-17 | A kind of light fixture that distance-light can be achieved at the same time |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920075801.2U CN209213729U (en) | 2019-01-17 | 2019-01-17 | A kind of light fixture that distance-light can be achieved at the same time |
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| Publication Number | Publication Date |
|---|---|
| CN209213729U true CN209213729U (en) | 2019-08-06 |
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| CN201920075801.2U Active CN209213729U (en) | 2019-01-17 | 2019-01-17 | A kind of light fixture that distance-light can be achieved at the same time |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112963799A (en) * | 2021-03-15 | 2021-06-15 | 宁波雅佳达车业有限公司 | Headlight and have electric motor car of this headlight |
-
2019
- 2019-01-17 CN CN201920075801.2U patent/CN209213729U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112963799A (en) * | 2021-03-15 | 2021-06-15 | 宁波雅佳达车业有限公司 | Headlight and have electric motor car of this headlight |
| CN112963799B (en) * | 2021-03-15 | 2023-05-30 | 宁波雅佳达车业有限公司 | Headlight and have electric motor car of this headlight |
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