CN209213726U - 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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- CN209213726U CN209213726U CN201920075757.5U CN201920075757U CN209213726U CN 209213726 U CN209213726 U CN 209213726U CN 201920075757 U CN201920075757 U CN 201920075757U CN 209213726 U CN209213726 U CN 209213726U
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Abstract
The utility model relates to one kind to be related to lighting area, it is specifically related to a kind of light fixture that distance-light can be achieved at the same time, including one first lens, low beam light source, high-beam light source and the second lens, first lens have an incidence surface and a light-emitting surface, the incidence surface of first lens is a flat surface, the light-emitting surface of first lens is convex surface, and second lens are convex lens；The low beam light source and high-beam light source are all disposed on the side of the incidence surface of first lens, the light of the low beam light source is directly toward the incidence surface outgoing of the first lens, the light of the high-beam light source is emitted via the incidence surface for being re-directed towards the first lens after the second lens Refractive focusing, near the intersection point that the optical axis that the high-beam light source is located at first lens intersects with its 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 one first lens, low beam light source, high-beam light source and second
Lens, first lens have an incidence surface and a light-emitting surface, and the incidence surface of first lens is a flat surface, first lens
Light-emitting surface be convex surface, second lens be convex lens；The low beam light source and high-beam light source are all disposed within close to described the
On the side of the incidence surface of one lens, the light of the low beam light source is directly toward the incidence surface outgoing of the first lens, described remote
The light of radiant is emitted via the incidence surface for being re-directed towards the first lens after the second lens Refractive focusing, and the high-beam light source is located at
Near the intersection point that the optical axis of first lens intersects with its focal plane on region, the low beam light source is located on high-beam light source
Side.
Further, the high-beam light source is located at the focal planes of the first lens far from the side of incidence surface, the dipped beam
Light source is located on the focal plane of the first lens.
Further, the light-emitting surface of first lens is elliposoidal convex surface.
Further, the vertical range between first lens focal plane and its incidence surface is 10~40mm, described the
Vertical range between the vertex of the light-emitting surface of one lens and its incidence surface is 10~35mm.
Further, the vertical range between first lens focal plane and its incidence surface is 22mm, and described first thoroughly
Vertical range between the vertex of the light-emitting surface of mirror and its incidence surface is 25mm.
Further, the high-beam light source and low beam light source all include several LED lamp beads, with first lens
The intersection point that optical axis intersects with its focal plane is that origin forms two-dimensional coordinates XY axis, the distance light on the focal plane of the first lens
All LED lamp beads of light source are respectively positioned below X-axis, and all LED lamp beads of the low beam light source are respectively positioned on above X-axis.
A kind of light fixture that distance-light can be achieved at the same time provided by the utility model have compared with prior art with
Lower advantage: for light fixture provided by the utility model when low beam light source is lighted, the light that low beam light source issues is directly over the
The hot spot for meeting dipped beam regulation for having dead line is formed after the refraction of one lens；When high-beam light source is lighted, high-beam light source is issued
Light by the second lens reflect via the first lens outgoing after formed left and right width it is smaller, brightness is higher to meet distance light
The hot spot of regulation realizes the switching of distance-light by lighting instant and near light light source respectively, and structure is simple, volume is also smaller, and
It is cost-saved without the use of solenoid valve and light barrier.
Detailed description of the invention
Fig. 1 shows the stereoscopic schematic diagram of light fixture.
Fig. 2 shows the side views of light fixture.
Fig. 3 shows the hot spot figure of dipped beam.
Fig. 4 shows the hot spot figure of distance light.
Fig. 5 a shows the first arrangement schematic diagram of low beam light source and high-beam light source.
Figure 5b shows that second of arrangement schematic diagrams of low beam light source and high-beam light source.
Fig. 5 c shows the third 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 one first lens 10, low beam light source 20, high-beam light source 30 and the second lens 40, is needed it is clear that relative to lens
For volume, the volume of low beam light source 20 and high-beam light source 30 will be much smaller than the first lens 10, therefore low beam light source 20 and distance light
Light source 30 can approximation see point light source as.
First lens 10 have an incidence surface 100 and a light-emitting surface 110, and the incidence surface of first lens 10 is one flat
Face, the light-emitting surface 110 of first lens 10 are convex surface, and second lens 40 are convex lens；The low beam light source 20 and distance light
Light source 30 is all disposed on the side of the incidence surface 100 of first lens 10, and the light of the low beam light source 20 is direct
Be emitted towards the incidence surface 100 of the first lens 10, the light of the high-beam light source 30 via after 40 Refractive focusing of the second lens again
It is emitted towards the incidence surface 100 of the first lens 10, the second lens 40 can be plano-convex or biconvex lens.Need it is clear that, the
For two lens 40 for the first lens 10, volume is much smaller than the volume of the first lens, the light of high-beam light source 30 via
The overwhelming majority can be from 100 incidence of incidence surface of the first lens 10 after the refraction of second lens 40.The high-beam light source 30 is located at
Near the intersection point that the optical axis A of first lens 10 intersects with its focal plane B on region, the low beam light source 20 is located at distance light
30 top of light source.
With reference to Fig. 2, in the present embodiment, preferably, the focal plane B that the high-beam light source 30 is located at the first lens 10 is separate
On the side of incidence surface 100, the low beam light source 20 is located on the focal plane B of the first lens 10, so that high-beam light source 30 and close
Radiant 20 is formed by distance light hot spot and dipped beam hot spot more meets distance light regulation and dipped beam regulation.
When low beam light source is lighted, the light that low beam light source issues is formed after the refraction of the first lens with dead line
Meet the hot spot of dipped beam regulation, the hot spot figure of dipped beam is as shown in Figure 3；When high-beam light source is lighted, the light of high-beam light source sending
First to form that left and right width is smaller, and brightness is higher meets distance light via reflecting again via the first lens after the second lens Refractive focusing
The hot spot figure of the hot spot of regulation, distance light is as shown in Figure 4.
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. 5 a- Fig. 5 c, the high-beam light source 30 and low beam light source 20 all include several LED lamp beads, in figure
What what LED lamp bead with hacures represented be that low beam light source, the LED lamp bead without hacures represent is high-beam light source, with
The intersection point that the optical axis of the lens intersects with focal plane is that origin forms two-dimensional coordinates XY reference axis, distance light light on focal plane
The LED lamp bead of source and low beam light source has a variety of laying modes, wherein all LED lamp beads of the high-beam light source 30 are respectively positioned on X
Below axis, all LED lamp beads of the low beam light source 20 are respectively positioned on above X-axis.Wherein all LED lamp beads of high-beam light source 30 exist
The position of XY reference axis refers to its projection in XY reference 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 (6)
1. a kind of light fixture that distance-light can be achieved at the same time, it is characterised in that: including one first lens, low beam light source, distance light
Light source and the second lens, first lens have an incidence surface and a light-emitting surface, and the incidence surface of first lens is a flat surface,
The light-emitting surface of first lens is convex surface, and second lens are convex lens；The low beam light source and high-beam light source are all disposed within
On the side of the incidence surface of first lens, the incidence surface that the light of the low beam light source is directly toward the first lens goes out
It penetrates, the light of the high-beam light source is emitted via the incidence surface for being re-directed towards the first lens after the second lens Refractive focusing, described remote
Near the intersection point that the optical axis that radiant is located at first lens intersects with its focal plane on region, the low beam light source is located at
Above high-beam light source.
2. light fixture according to claim 1, it is characterised in that: the high-beam light source is located at the focal plane of the first lens
On side far from incidence surface, the low beam light source is located on the focal plane of the first lens.
3. light fixture according to claim 1, it is characterised in that: the light-emitting surface of first lens is that elliposoidal is convex
Face.
4. light fixture according to claim 3, it is characterised in that: the focal planes of first lens and its incidence surface it
Between vertical range be 10~40mm, vertical range between the vertex and its incidence surface of the light-emitting surface of first lens is 10
~35mm.
5. light fixture according to claim 4, it is characterised in that: the focal planes of first lens and its incidence surface it
Between vertical range be 22mm, vertical range between the vertex and its incidence surface of the light-emitting surface of first lens is 25mm.
6. 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, the intersection point intersected using the optical axis of first lens with its focal plane is origin in the focal plane of the first lens
Upper formation two-dimensional coordinates XY axis, all LED lamp beads of the high-beam light source are respectively positioned below X-axis, the institute of the low beam light source
There is LED lamp bead to be respectively positioned on above X-axis.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920075757.5U CN209213726U (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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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920075757.5U CN209213726U (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 |
|---|---|---|---|---|
| CN110748849A (en) * | 2019-11-06 | 2020-02-04 | 济南三星灯饰有限公司 | Double-lens automobile headlamp module |
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2019
- 2019-01-17 CN CN201920075757.5U patent/CN209213726U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110748849A (en) * | 2019-11-06 | 2020-02-04 | 济南三星灯饰有限公司 | Double-lens automobile headlamp module |
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