CN109556084A - A kind of lens and tunnel illuminating lamp of frontlighting tunnel illuminating lamp - Google Patents
A kind of lens and tunnel illuminating lamp of frontlighting tunnel illuminating lamp Download PDFInfo
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- CN109556084A CN109556084A CN201811640516.7A CN201811640516A CN109556084A CN 109556084 A CN109556084 A CN 109556084A CN 201811640516 A CN201811640516 A CN 201811640516A CN 109556084 A CN109556084 A CN 109556084A
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- 239000007787 solid Substances 0.000 claims abstract description 4
- 238000009499 grossing Methods 0.000 claims description 2
- 238000005286 illumination Methods 0.000 abstract description 16
- 230000003287 optical effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 8
- 241001465382 Physalis alkekengi Species 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 208000003464 asthenopia Diseases 0.000 description 1
- 201000009310 astigmatism Diseases 0.000 description 1
- 230000008033 biological extinction Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
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- 239000000243 solution Substances 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V5/00—Refractors for light sources
- F21V5/04—Refractors for light sources of lens shape
- F21V5/048—Refractors for light sources of lens shape the lens being a simple lens adapted to cooperate with a point-like source for emitting mainly in one direction and having an axis coincident with the main light transmission direction, e.g. convergent or divergent lenses, plano-concave or plano-convex lenses
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- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention discloses the lens and tunnel illuminating lamp of a kind of frontlighting tunnel illuminating lamp, wherein, the lens are solid and asymmetric lens, the inner cavity for placing light source is equipped in the lens, and the top of lens is biased in the position of the inner cavity, thickness on the cross section of the lens is gradually increased from top to bottom, the lens include lens incidence surface and lens light-emitting surface, the lens incidence surface and lens light-emitting surface are all made of the curved-surface structure to raise upward, the light in -90 °~+90 ° directions that the light source issues is successively after lens incidence surface and lens light-emitting surface to lower refraction, and it is illuminated along the direction that vehicle advances.The lens used in the present invention is asymmetric lens, by adjusting the direction of lens, so that light is irradiated along the direction that vehicle advances, avoid the eyes of light direct projection driver, the comfort level for improving illumination, makes driver be not likely to produce driving fatigue, can be widely applied to optical lens field.
Description
Technical field
The present invention relates to optical lens field more particularly to a kind of lens and tunnel illuminating lamp of frontlighting tunnel illuminating lamp.
Background technique
Tunnel illumination is provided as a kind of darkroom lighting, illuminating ray almost all by the illuminator in tunnel, institute
It is required with the illumination comfort level to lamps and lanterns very high.The lens that existing LED tunnel illumination uses are usually symmetric form light-distribution lens, are
Reach 2 times of even higher cloth lamps away from high ratio, unavoidably has some light direct projection to the driver visual field of passing vehicle.
Long-duration driving easily causes driver's visual fatigue, brings some potential safety problems.
Summary of the invention
In order to solve the above-mentioned technical problem, the object of the present invention is to provide the lens and tunnel of a kind of frontlighting tunnel illuminating lamp
Headlamp.
The technical scheme adopted by the invention is that:
A kind of lens of frontlighting tunnel illuminating lamp, the lens are solid and asymmetric lens, the thickness of the lens by
On be gradually increased downwards, the lens include lens incidence surface and lens light-emitting surface, the lens incidence surface and lens light-emitting surface
It is all made of the curved-surface structure to raise upward, the light in -90 °~+90 ° directions that the light source issues successively passes through lens incidence surface
It is irradiated with after lens light-emitting surface to lower refraction, and towards the lower end of lens.
Further, the lens incidence surface includes sequentially connected first incidence surface, the second incidence surface and third incidence surface,
Second incidence surface and third incidence surface are smoothly connected, and first incidence surface is located in the top of lens incidence surface, and the
One incidence surface is plane, and the light in -90 °~-80 ° directions that the light source issues passes through the first incidence surface.
Further, second incidence surface is curved surface, and the light in -80 °~0 ° direction that the light source issues passes through second
Incidence surface enters lens, and reflects light to light source center position；
The curved path in the section of second incidence surface meets the first formula, first formula are as follows:
Y1=-0.0176x2+0.11x+1.876
Wherein Y1 represents ordinate, and the value range of x is 0≤x < 4.2.
Further, the third incidence surface is curved surface, and the light in 0 °~90 ° of directions that the light source issues enters by third
Smooth surface enters lens, and reflects light in downward direction；
The curved path in the section of the third incidence surface meets the second formula, second formula are as follows:
Y2=-0.02x2+0.0146x+1.97
Wherein Y2 represents ordinate, and the value range of x is -3.1 < x < 0.
Further, the section of the lens light-emitting surface is successively connected by the first curve, the second curve with third curve smoothing
Composition；After the first light-emitting surface, the centre of Xiang Guangyuan reflects the light in -90 °~-60 ° directions that the light source issues；
The curved path of first curve meets third formula, the third formula are as follows:
Y3=-0.0089x3+0.09x2+0.096x+1.327
Wherein Y3 represents ordinate, and the value range of x is 4.05≤x < 5.
Further, the light in -60 °~+70 ° directions that the light source issues is after the second curve projects lens to lower folding
It penetrates；
The curved path of second curve meets the 4th formula, the 4th formula are as follows:
Y4=-0.0013x3-0.001x2+0.4139x+2.9956
Wherein Y4 represents ordinate, and the value range of x is -6.3 < x < 4.05.
Further, the light in+70 °~+90 ° directions that the light source issues reflects upwards after third curve；
The curved path of the third curve meets the 5th formula, the 5th formula are as follows:
Y5=-0.0186x2-0.146x+4.89
Wherein Y5 represents ordinate, and the value range of x is -8 < x≤- 6.3.
Further, the top view of the lens light-emitting surface is a up-narrow and down-wide closed curve, the closed curve packet
The upper curve being successively smoothly connected, middle part curve and lower curve are included, it is public that the curved path of the upper curve meets the 6th
Formula, the 6th formula are as follows:
Y6=-0.0294x2+0.743x-0.773
Wherein Y6 represents ordinate, and the value range of x is 2.6 < x < 5.
Further, the curved path of the lower curve meets the 7th formula, the 7th formula are as follows:
Y7=0.0882x2-0.381x-4.94
Wherein Y7 represents ordinate, and the value range of x is -8 < x < -3.9.
It is of the present invention another solution is that
A kind of frontlighting tunnel illuminating lamp, including light source and lens, the lens use a kind of frontlighting tunnel illumination
The lens of lamp.
The beneficial effects of the present invention are: the lens used in the present invention is asymmetric lens, the light direction that light source issues
The lower end of lens is reflected, and is avoided by adjusting the direction of lens so that light is irradiated along the direction that vehicle advances
The eyes of light direct projection driver, improve the comfort level of illumination, driver are made to be not likely to produce driving fatigue.
Detailed description of the invention
Fig. 1 is a kind of light transmission schematic diagram of the lens of frontlighting tunnel illuminating lamp；
Fig. 2 is a kind of sectional view of the lens of frontlighting tunnel illuminating lamp；
Fig. 3 is a kind of top view of the lens of frontlighting tunnel illuminating lamp；
Fig. 4 is the schematic diagram of the curved path in the section of the first formula and the second incidence surface；
Fig. 5 is the schematic diagram of the curved path in the section of the second formula and third incidence surface；
Fig. 6 is the schematic diagram of the curved path of third formula and the first curve；
Fig. 7 is the schematic diagram of the curved path of the 4th formula and the second curve；
Fig. 8 is the schematic diagram of the curved path of the 5th formula and third curve；
Fig. 9 is the schematic diagram of the curved path of the 6th formula and upper curve；
Figure 10 is the schematic diagram of the curved path of the 7th formula and lower curve.
Specific embodiment
Embodiment one
As shown in Figure 1, a kind of lens of frontlighting tunnel illuminating lamp, the lens are solid and asymmetric lens, described
The thickness of mirror is gradually increased from top to bottom, and the lens include lens incidence surface 1 and lens light-emitting surface 2, the lens incidence surface 1
It is all made of the curved-surface structure to raise upward with lens light-emitting surface 2, the light in -90 °~+90 ° directions that the light source issues is successively
To lower refraction after lens incidence surface and lens light-emitting surface, and it is irradiated towards the lower end of lens.
Lens use asymmetry lens, and the thickness on the lens cross-section is gradually increased from top to bottom, can be by tunnel
The light of road illumination is largely biased to the lower end of lens, by adjusting the direction of lens, so that the side that light advances along vehicle
To being irradiated, while 2 times of modes away from high ratio can be supported to arrange lamps and lanterns in tunnel, greatly improve tunnel illumination
Comfort level makes driver be not likely to produce driving fatigue.Referring to Fig. 2, the light in -90 °~+90 ° directions that the light source issues can be with
Be interpreted as the light emitted straight up when the back side of LED light is attached on wall be -90 °, the light emitted straight down be+
90 °, intermediate light is between -90 °~+90 °.
Referring to Fig. 2, it is further used as preferred embodiment, the lens incidence surface 1 enters including sequentially connected first
Smooth surface 10, the second incidence surface 11 and third incidence surface 12, second incidence surface 11 and third incidence surface 12 are smoothly connected, described
First incidence surface 10 is located at the top of lens incidence surface 1, and the first incidence surface 10 is plane, -90 °~-80 ° on the light source 3
The light in direction passes through the first incidence surface 10.
Light can enter the base station for mounted lens, can also pass through for extinction after the entrance of the first incidence surface 10
Component, perhaps the first incidence surface 10 uses light absorbent, so that the light in p- 90 °~-80 ° directions is absorbed, effectively
Dazzle is prevented, to guarantee that dazzle is 0, preferably improves the comfort level of illumination.
It is further used as preferred embodiment, second incidence surface 11 is curved surface, -80 °~0 ° side on the light source 3
To light by the second incidence surface 11 enter lens, and make light to 3 centre of light source reflect；
Referring to Fig. 4, the curved path in the section of second incidence surface 11 meets the first formula, first formula are as follows:
Y1=-0.0176x2+0.11x+1.876
Wherein Y1 represents ordinate, and the value range of x is 0≤x < 4.2.
Second incidence surface 11 is designed by gentleization to curvature, realizes the light in -80 °~0 ° direction toward 3 center of light source
Position deviation reduces light and irradiates upwards, makes full use of light.The curved path and the first formula in the section of the second incidence surface 11
Related coefficient be 0.99.
It is further used as preferred embodiment, the third incidence surface 12 is curved surface, 0 °~90 ° sides on the light source 3
To light enter lens by third incidence surface 12, and reflect light in downward direction；
Referring to Fig. 5, the curved path in 12 section of third incidence surface meets the second formula, second formula are as follows:
Y2=-0.02x2+0.0146x+1.97
Wherein Y2 represents ordinate, and the value range of x is -3.1 < x < 0.
Sharply downward deviation, the light in 0 °~+90 ° directions of realization are biased to past+60 ° of sides to the curvature design of third incidence surface 12
To the curved path in 12 section of third incidence surface and the related coefficient of the second formula reach 0.996.
It is further used as preferred embodiment, the section of the lens light-emitting surface 2 is successively bent by the first curve 21, second
Line 22 and third curve 23 are smoothly connected composition；The light in -90 °~-60 ° directions is after the first light-emitting surface on the light source 3,
It is reflected to the centre of light source 3；
Referring to Fig. 6, the curved path of first curve 21 meets third formula, the third formula are as follows:
Y3=-0.0089x3+0.09x2+0.096x+1.327
Wherein Y3 represents ordinate, and the value range of x is 4.05≤x < 5.
Lens light-emitting surface 2 cooperates the opticpath of incidence surface to be designed, overall to realize light downwards (i.e. along lane
Direction of travel) deviation trend, the design of lens light-emitting surface 2 is divided into three parts.This part of major regulatory-of first curve 21
The light in 90 °~-60 ° directions, by by lens incidence surface 1 be irradiated come light all deviation 3 center positions of light source so that thoroughly
The design for being 0 along lane direction of travel dazzle is realized in the substantially unglazed outgoing in -90 °~-60 ° directions in mirror outer surface.
It is further used as preferred embodiment, the light in -60 °~+70 ° directions passes through the second curve on the light source 3
To lower refraction after 22 injection lens；
Referring to Fig. 7, the curved path of second curve 22 meets the 4th formula, the 4th formula are as follows:
Y4=-0.0013x3-0.001x2+0.4139x+2.9956
Wherein Y4 represents ordinate, and the value range of x is -6.3 < x < 4.05.
The part mainly controls the light in -60 °~+70 ° directions, and the whole deflection down of curve, lens thickness is ascending,
Peak light intensity is biased to+60 ° of directions substantially, realizes that 2 times of modes away from high ratio arrange lamps and lanterns in tunnel.The song of second curve 22
The related coefficient of thread path and the 4th formula reaches 0.991.
It is further used as preferred embodiment, the light in+70 °~+90 ° directions passes through third curve on the light source 3
It is reflected upwards after 23；
Referring to Fig. 8, the curved path of the third curve 23 meets the 5th formula, the 5th formula are as follows:
Y5=-0.0186x2-0.146x+4.89
Wherein Y5 represents ordinate, and the value range of x is -8 < x≤- 6.3.
The part mainly controls the light in+70 °~+90 ° directions, by light toward 3 center position deviation of light source, improves road surface
Illumination utilization rate.The related coefficient of the curved path of third curve 23 and the 5th formula reaches 0.995.
Referring to Fig. 3, be further used as preferred embodiment, the top view of the lens light-emitting surface 2 be one it is upper it is narrow under
Wide closed curve, the closed curve include the upper curve 24 being successively smoothly connected, middle part curve 25 and lower curve 26,
Referring to Fig. 9, the curved path of the upper curve 24 meets the 6th formula, the 6th formula are as follows:
Y6=-0.0294x2+0.743x-0.773
Wherein Y6 represents ordinate, and the value range of x is 2.6 < x < 5.
Due to the polarity of front lighting design, light source 3 is closer with -90 ° of directions of lens, corresponding 24th area of upper curve
Domain design is relatively narrow, the astigmatism effect that comprehensive light source 3 is closer.The phase of the curved path of upper curve 24 and the 6th formula
Relationship number reaches 0.998.
Referring to Fig.1 0, it is further used as preferred embodiment, it is public that the curved path of the lower curve 26 meets the 7th
Formula, the 7th formula are as follows:
Y7=0.0882x2-0.381x-4.94
Wherein Y7 represents ordinate, and the value range of x is -8 < x < -3.9.
In+90 ° of directions of lens, since light source 3 and lens light-emitting surface 2 are apart from farther out, corresponding 2 lower curve of lens light-emitting surface
The design in 26 regions is relatively roomy, and comprehensive light source 3 is apart from farther away receipts light action.The curved path of lower curve 26 and the 7th public affairs
The related coefficient of formula reaches 0.998.
Rectangular light spot tunnel photograph may be implemented in the design in 2 upper curve of lens light-emitting surface, 24 region and 26 region of lower curve
Bright, the equal brightness uniformities for improving road surface hot spot are connected.Wherein, 2 middle part curve of lens light-emitting surface, 25 region control 3 center of light source ±
The light in 25 ° of directions, this part lens surface are linearly designed substantially, and light is biased to -90 ° and+90 ° of directions respectively, are reduced
The phenomenon that lamps and lanterns closer from tunnel-side regional luminance concentrations, realizes the brightness uniform illuminations such as tunnel-side.
Lens use asymmetrical lens, and the light of tunnel illumination is largely biased to lane direction of travel, meets dazzle
Can be supported while being 02 times away from height than tunnel lighting arrangement, the compatible illumination uniformity design for considering tunnel road surface and metope, pole
The comfort level and uniformity of tunnel illumination are improved greatly.
The specific effect of said lens is as follows:
1, lens design is realized in -90 °~-60 ° directions cuts light completely, and meeting along lane direction of travel dazzle is 0.
2, lens are gone out into light peak light intensity and is biased to+60 ° of directions, realize 2 times of tunnel lighting arrangements away from high ratio.
3,2 top view direction of lens light-emitting surface carries out realizing rectangular light spot Uniform Illumination from wide design is too narrow to.
4,2 top view direction of lens light-emitting surface is linearly designed substantially in 3 center ± 25 ° direction of light source, lens surface, real
The brightness uniform illuminations such as existing tunnel-side.
Embodiment two
As shown in Figure 1 to Figure 3, a kind of frontlighting tunnel illuminating lamp, including light source 3 and lens, the lens use embodiment
A kind of lens of frontlighting tunnel illuminating lamp described in one.
The frontlighting tunnel illuminating lamp of the present embodiment has a kind of lens of frontlighting tunnel illuminating lamp of the embodiment of the present invention one
Any technical characteristic combination, have the corresponding function of embodiment one and beneficial effect.
It is to be illustrated to preferable implementation of the invention, but the invention is not limited to the implementation above
Example, those skilled in the art can also make various equivalent variations on the premise of without prejudice to spirit of the invention or replace
It changes, these equivalent deformations or replacement are all included in the scope defined by the claims of the present application.
Claims (10)
1. a kind of lens of frontlighting tunnel illuminating lamp, which is characterized in that the lens are solid and asymmetric lens, the lens
Thickness be gradually increased from top to bottom, the lens include lens incidence surface and lens light-emitting surface, the lens incidence surface and thoroughly
Mirror light-emitting surface is all made of the curved-surface structure to raise upward, and the light in -90 °~+90 ° directions that the light source issues successively passes through
To lower refraction after mirror incidence surface and lens light-emitting surface, and it is irradiated towards the lower end of lens.
2. a kind of lens of frontlighting tunnel illuminating lamp according to claim 1, which is characterized in that the lens incidence surface packet
Sequentially connected first incidence surface, the second incidence surface and third incidence surface are included, second incidence surface and third incidence surface are smooth
Connection, first incidence surface is located in the top of lens incidence surface, and the first incidence surface is plane, the light source sending-
The light in 90 °~-80 ° directions passes through the first incidence surface.
3. a kind of lens of frontlighting tunnel illuminating lamp according to claim 2, which is characterized in that second incidence surface is
The light of curved surface, -80 °~0 ° direction that the light source issues enters lens by the second incidence surface, and makes light into light source
The refraction of center portion position；
The curved path in the section of second incidence surface meets the first formula, first formula are as follows:
Y1=-0.0176x2+0.11x+1.876
Wherein Y1 represents ordinate, and the value range of x is 0≤x < 4.2.
4. a kind of lens of frontlighting tunnel illuminating lamp according to claim 3, which is characterized in that the third incidence surface is
The light of curved surface, 0 °~90 ° directions that the light source issues enters lens by third incidence surface, and rolls over light in downward direction
It penetrates；
The curved path in the section of the third incidence surface meets the second formula, second formula are as follows:
Y2=-0.02x2+0.0146x+1.97
Wherein Y2 represents ordinate, and the value range of x is -3.1 < x < 0.
5. a kind of frontlighting tunnel illuminating device according to claim 1, which is characterized in that the section of the lens light-emitting surface
Successively is connected and formed with third curve smoothing by the first curve, the second curve；- 90 °~-60 ° directions that the light source issues
After the first light-emitting surface, the centre of Xiang Guangyuan reflects light；
The curved path of first curve meets third formula, the third formula are as follows:
Y3=-0.0089x3+0.09x2+0.096x+1.327
Wherein Y3 represents ordinate, and the value range of x is 4.05≤x < 5.
6. a kind of lens of frontlighting tunnel illuminating lamp according to claim 6, which is characterized in that the light source sending-
The light in 60 °~+70 ° directions is after the second curve projects lens to lower refraction；
The curved path of second curve meets the 4th formula, the 4th formula are as follows:
Y4=-0.0013x3-0.001x2+0.4139x+2.9956
Wherein Y4 represents ordinate, and the value range of x is -6.3 < x < 4.05.
7. a kind of lens of frontlighting tunnel illuminating lamp according to claim 7, which is characterized in that the light source sending+
The light in 70 °~+90 ° directions reflects upwards after third curve；
The curved path of the third curve meets the 5th formula, the 5th formula are as follows:
Y5=-0.0186x2-0.146x+4.89
Wherein Y5 represents ordinate, and the value range of x is -8 < x≤- 6.3.
8. a kind of lens of frontlighting tunnel illuminating lamp according to claim 8, which is characterized in that the lens light-emitting surface
Top view is a up-narrow and down-wide closed curve, and the closed curve includes the upper curve being successively smoothly connected, middle part song
The curved path of line and lower curve, the upper curve meets the 6th formula, the 6th formula are as follows:
Y6=-0.0294x2+0.743x-0.773
Wherein Y6 represents ordinate, and the value range of x is 2.6 < x < 5.
9. a kind of lens of frontlighting tunnel illuminating lamp according to claim 9, which is characterized in that the song of the lower curve
Thread path meets the 7th formula, the 7th formula are as follows:
Y7=0.0882x2-0.381x-4.94
Wherein Y7 represents ordinate, and the value range of x is -8 < x < -3.9.
10. a kind of frontlighting tunnel illuminating lamp, which is characterized in that including light source and lens, the lens are appointed using claim 1-9
A kind of lens of frontlighting tunnel illuminating lamp described in one.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811640516.7A CN109556084A (en) | 2018-12-29 | 2018-12-29 | A kind of lens and tunnel illuminating lamp of frontlighting tunnel illuminating lamp |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811640516.7A CN109556084A (en) | 2018-12-29 | 2018-12-29 | A kind of lens and tunnel illuminating lamp of frontlighting tunnel illuminating lamp |
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| CN109556084A true CN109556084A (en) | 2019-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811640516.7A Pending CN109556084A (en) | 2018-12-29 | 2018-12-29 | A kind of lens and tunnel illuminating lamp of frontlighting tunnel illuminating lamp |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112287549A (en) * | 2020-10-28 | 2021-01-29 | 招商局重庆交通科研设计院有限公司 | Optimization method of light distribution mode of middle section of curve tunnel |
| CN115968079A (en) * | 2022-01-30 | 2023-04-14 | 河北省交通规划设计研究院有限公司 | Tunnel lighting system |
| CN117387023A (en) * | 2023-11-20 | 2024-01-12 | 浙江尧亮照明科技有限公司 | Ramp lighting lamp |
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| CN209399299U (en) * | 2018-12-29 | 2019-09-17 | 广东德洛斯照明工业有限公司 | A kind of lens and tunnel illuminating lamp of frontlighting tunnel illuminating lamp |
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| CN112287549A (en) * | 2020-10-28 | 2021-01-29 | 招商局重庆交通科研设计院有限公司 | Optimization method of light distribution mode of middle section of curve tunnel |
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| CN117387023A (en) * | 2023-11-20 | 2024-01-12 | 浙江尧亮照明科技有限公司 | Ramp lighting lamp |
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