CN208952013U - A kind of polyhedron LED lens of multi-functional light distribution - Google Patents
A kind of polyhedron LED lens of multi-functional light distribution Download PDFInfo
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- CN208952013U CN208952013U CN201821243198.6U CN201821243198U CN208952013U CN 208952013 U CN208952013 U CN 208952013U CN 201821243198 U CN201821243198 U CN 201821243198U CN 208952013 U CN208952013 U CN 208952013U
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Abstract
The utility model discloses a kind of polyhedron LED lens of multi-functional light distribution, including positive camber, negative camber and cavity, and negative camber is smooth surface, constitutes the plane of incidence, and positive camber is light-emitting surface, and LED light source is placed in cavity, constitutes light-source chamber.LED lens are divided into four quadrants, and first quartile is specific region illumination, and the second quadrant is ambient lighting, and third quadrant and fourth quadrant are road lighting, and the outgoing light direction of specific region illumination is consistent with garage direction.The fold successively spliced is all set on the plane of incidence of road lighting and specific region illumination, distribution curve flux is adjusted by parameters such as length, the angles of adjusting fold, to reach required light distribution.The utility model provides a kind of polyhedron LED lens of multi-functional light distribution, for different demands, sub-module design, both it had been able to achieve the road lighting of large area, again specific region illumination can be carried out for the vehicle of traveling, a part of light can also be used for space environment illumination, realize the effect of a variety of light distribution purposes of a lens.
Description
Technical field
The utility model belongs to LED lens technical field, in particular to a kind of polyhedron LED lens of multi-functional light distribution.
Background technique
Traditional road lighting generallys use 10 ~ 12 meters high, high mast lighting in the lamp stand progress that 20 meters of spacing, such illumination
Mode has the disadvantage in that the gradient distribution of 1. illumination is unreasonable, causes to illuminate in vain.Driver is concerned with road surface, more past
On pay close attention to fewer.But the middle high mast lighting mode on the contrary, the up brighter, it is more instead darker toward ground；2. illuminating
Region it is not reasonable.For highway, region do not need illumination, but also illuminated.In consideration of it,
Low position lighting technical application and give birth to.
The height for being mainly characterized by mounting height and being lower than driver's eyes of low position lighting, according to the regulation of CNE, driver
The height of eyes is probably at 1.4 meters ~ 1.5 meters, i.e., the mounting height of low position lighting is lower than 1.4 meters.Low position lighting, Yao Shixian road
Functional lighting has lamp distribution relatively high requirement, meets brightness, the overall brightness uniformity U0 on road surface, and longitudinal brightness is equal
The requirement of evenness UI and dazzle threshold value TI.But the generally existing irradiation light of low position lighting lamps and lanterns used at present excessively concentrate and
The too small problem of irradiation area, irradiation distance is shorter, so that road middle section is darker, influences driver's sight.It uses at present
More low position lighting lamps are installed on road to solve the problems, such as, but not only waste power supply in this way, but also also increase management
Expense.And the light distribution design of current low position lighting contributes to road lighting, is used to irradiate traveling without specific light distribution
Vehicle, driver are difficult to observe the license plate of front truck and other information, considerably increase traffic safety hidden danger.
Summary of the invention
The utility model is small for the existing low position lighting irradiation area of solution, irradiation distance is short, and the not given zone of vehicle
The technical issues of domain illuminates, proposes a kind of polyhedron LED lens of multi-functional light distribution, meets simultaneous while road large area lighting
Space environment illumination and specific region illumination are cared for, realizes the effect of a variety of light distribution purposes of a lens.
To solve the above problems, the technical scheme adopted by the utility model is that: a kind of polyhedron LED of multi-functional light distribution is saturating
Mirror, including positive camber, negative camber and cavity, negative camber are smooth surface, constitute the plane of incidence 1, and positive camber is light-emitting surface 2, LED light
Source is placed in cavity, constitutes light-source chamber 3；LED lens are divided into four quadrants, and first quartile is specific region illumination, the second quadrant
For ambient lighting, third quadrant and fourth quadrant are road lighting, the outgoing light direction of the specific region illumination and garage side
To consistent；The light-emitting surface 2 includes the first light-emitting surface 21, the second light-emitting surface 22 and third light-emitting surface 23, first light-emitting surface
21 light-emitting surfaces illuminated for specific region, second light-emitting surface 22 are the light-emitting surface of ambient lighting, the third light-emitting surface 23
For the light-emitting surface of road lighting；Second light-emitting surface 22 is frosting, on first light-emitting surface 21 and third light-emitting surface 23
The fold 24 successively spliced is all set, and the fold 24 includes a section 241 and a light distribution surface 242,241 He of section
Light distribution surface 242 is connected, and distribution curve flux is adjusted by parameters such as curvature, length, the angles of adjusting light distribution surface 242, to reach
Required light distribution.
Preferably, the LED lens of the multi-functional light distribution are hollow hemisphere or hollow semiellipsoid or other suitable shapes
Shape can be bonded completely with guardrail pipe surface, not destroy landscape, integrality and the concordance of original round guardrail pipe, beautiful
It is generous.
Preferably, 22 surface of the second light-emitting surface is frosting, and upward space environment illuminating ray is softer, no
It is dazzling, reduce the contrast of road lighting and space environment illumination, improves the visual adaptability of driver.
Preferably, LED light source is placed in 3 bottom center of light-source chamber, and LED light source is in rectangular arranged, and number of LED light sources is extremely
It is less 1, emergent light irradiation is more uniform.
Compared with prior art, the beneficial effect that the utility model obtains is:
A kind of polyhedron LED lens of multi-functional light distribution provided by the utility model, are vertically mounted on road side, will be saturating
Mirror is divided into four quadrants, independent light distribution design, and first quartile is specific region illumination, outgoing light direction and garage direction one
It causes, for irradiating the vehicle of traveling, facilitates the license plate and other information of driver observation front truck, Qiang Guangzhi can be avoided to the maximum extent
It taps into human eye, greatly improves travel safety；Second quadrant is ambient lighting, is Lambertian light distribution, emergent ray is to four
Week diffusion, the second light-emitting surface are frosting, and upward space environment illuminating ray is softer, not dazzling, reduce road lighting
With the contrast of space environment illumination, the visual adaptability of driver is improved；Third quadrant and fourth quadrant are road lighting,
Using segmentation light distribution design, light distribution is accurate, and more light are projeced into road lighting, realize road large area lighting.
The polyhedron LED lens of a kind of multi-functional light distribution provided by the utility model, for different lighting demands, sub-module
Design had not only been able to achieve the road lighting of large area, but also can carry out specific region illumination for the vehicle of traveling, greatly improved driving
A part of light can also be used for upward space environment illumination, reduce pair of road lighting and space environment illumination by safety
Than degree, the visual adaptability of driver is improved, realizes the effect of a variety of light distribution purposes of a lens.
A kind of polyhedron LED lens of multi-functional light distribution provided by the utility model are or hollow semiellipsoid or other are suitable
Suitable shape can be bonded completely with guardrail pipe surface, not destroy landscape, integrality and the concordance of original round guardrail pipe,
It is beautiful and generous.
Detailed description of the invention
Fig. 1 is a kind of polyhedron LED lens perspective view of multi-functional light distribution.
Fig. 2 is structure of emergent light surface figure.
Fig. 3 is a kind of LED light distribution curve of multi-functional light distribution.
Drawing reference numeral: the 1, plane of incidence；2, light-emitting surface；21, the first light-emitting surface；22, the second light-emitting surface；23, third light-emitting surface；
24, fold；241, section；242, light distribution surface；3, light-source chamber.
Specific embodiment
Below in conjunction with attached drawing and specific embodiment, it is described further.
Referring to attached drawing 1 and attached drawing 2, a kind of polyhedron LED lens of multi-functional light distribution, including positive camber, negative camber and recessed
Chamber, negative camber are smooth surface, constitute the plane of incidence 1, and positive camber is light-emitting surface 2, and LED light source is placed in cavity, constitute light-source chamber
3；LED lens are divided into four quadrants, and first quartile is specific region illumination, and the second quadrant is ambient lighting, third quadrant and the
Four-quadrant is limited to road lighting, and the outgoing light direction of the specific region illumination is consistent with garage direction；The light-emitting surface 2 includes the
One light-emitting surface 21, the second light-emitting surface 22 and third light-emitting surface 23, first light-emitting surface 21 are the light-emitting surface of specific region illumination,
Second light-emitting surface 22 is the light-emitting surface of ambient lighting, and the third light-emitting surface 23 is the light-emitting surface of road lighting；Described
Two light-emitting surfaces 22 are frosting, and the fold 24 successively spliced, institute is all arranged on first light-emitting surface 21 and third light-emitting surface 23
Stating fold 24 includes a section 241 and a light distribution surface 242, and the section 241 is connected with light distribution surface 242, passes through adjusting
The parameters such as curvature, length, the angle of light distribution surface 242 adjust distribution curve flux, to reach required light distribution.
Further, the LED lens of the multi-functional light distribution are hollow hemisphere or hollow semiellipsoid or other are suitable
Shape can be bonded completely with guardrail pipe surface, not destroy landscape, integrality and the concordance of original round guardrail pipe, beauty
It sees generous.
Further, 22 surface of the second light-emitting surface is frosting, and upward space environment illuminating ray is softer,
It is not dazzling, reduce the contrast of road lighting and space environment illumination, improves the visual adaptability of driver.
Further, LED light source is placed in 3 bottom center of light-source chamber, and LED light source is in rectangular arranged, number of LED light sources
At least 1, emergent light irradiation is more uniform.
LED point light source is placed at 3 bottom center of lens light source chamber, light is carried out to system using TracePro software and is chased after
Mark obtains the light distribution curve of lens, as shown in Fig. 3.The emergent light of 1st quadrant is specific region illumination, the 3rd, 4 quadrants
Emergent light is road lighting, and light intensity is stronger.The emergent light of 2nd quadrant is space environment illumination, and light intensity is weaker, can be to the maximum extent
Reduce dazzle intensity, reduces the contrast of road lighting and space environment illumination, improve the visual adaptability of driver.Pass through
The length of each fold and position in the 1st, 3,4 quadrant lens are adjusted, to achieve the effect that specific region illumination and road lighting.
Listed above is only specific embodiment of the utility model.Obviously, the utility model is not limited to above embodiments,
It can also be there are many similar reshaping.Those skilled in the art can directly be exported from content disclosed by the utility model or
All deformations associated, are considered as the utility model scope of the claimed.
Claims (3)
1. a kind of polyhedron LED lens of multi-functional light distribution, including positive camber, negative camber and cavity, negative camber are smooth surface,
It constitutes the plane of incidence (1), positive camber is light-emitting surface (2), and LED light source is placed in cavity, is constituted light-source chamber (3), it is characterised in that:
LED lens are divided into four quadrants, and first quartile is specific region illumination, and the second quadrant is ambient lighting, third quadrant and the 4th
Quadrant is road lighting, and the outgoing light direction of the specific region illumination is consistent with garage direction；The light-emitting surface (2) includes the
One light-emitting surface (21), the second light-emitting surface (22) and third light-emitting surface (23)；First light-emitting surface (21) is specific region illumination
Light-emitting surface, second light-emitting surface (22) is the light-emitting surface of ambient lighting, and the third light-emitting surface (23) is road lighting
Light-emitting surface；Second light-emitting surface (22) is frosting, is all arranged on first light-emitting surface (21) and third light-emitting surface (23)
The fold (24) successively spliced, the fold (24) include a section (241) and a light distribution surface (242), the section
(241) it is connected with light distribution surface (242), adjusts distribution curve flux by adjusting light distribution surface (242).
2. a kind of polyhedron LED lens of multi-functional light distribution according to claim 1, it is characterised in that: described multi-functional
The LED lens of light distribution are hollow hemisphere or hollow semiellipsoid.
3. a kind of polyhedron LED lens of multi-functional light distribution according to claim 1, it is characterised in that: the light-source chamber
(3) LED light source in is in rectangular arranged, and number of LED light sources is at least 1, and LED light source is placed in light-source chamber (3) bottom center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821243198.6U CN208952013U (en) | 2018-08-03 | 2018-08-03 | A kind of polyhedron LED lens of multi-functional light distribution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821243198.6U CN208952013U (en) | 2018-08-03 | 2018-08-03 | A kind of polyhedron LED lens of multi-functional light distribution |
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| Publication Number | Publication Date |
|---|---|
| CN208952013U true CN208952013U (en) | 2019-06-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821243198.6U Active CN208952013U (en) | 2018-08-03 | 2018-08-03 | A kind of polyhedron LED lens of multi-functional light distribution |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114562706A (en) * | 2022-04-08 | 2022-05-31 | 杭州罗莱迪思科技股份有限公司 | Integrally injection-molded anti-dazzle low-position street lamp lens and application thereof |
-
2018
- 2018-08-03 CN CN201821243198.6U patent/CN208952013U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114562706A (en) * | 2022-04-08 | 2022-05-31 | 杭州罗莱迪思科技股份有限公司 | Integrally injection-molded anti-dazzle low-position street lamp lens and application thereof |
| CN114562706B (en) * | 2022-04-08 | 2024-04-05 | 杭州罗莱迪思科技股份有限公司 | Anti-dazzle low-level street lamp lens integrally molded and application thereof |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210623 Address after: No. 689, aixihu North Road, high tech Industrial Development Zone, Nanchang City, Jiangxi Province Patentee after: China energy saving Jinghe Technology Co.,Ltd. Address before: 330096 Jingneng Photoelectric Industrial Park, 699 aixihu North Road, Nanchang hi tech Industrial Development Zone, Jiangxi Province Patentee before: NANCHANG GUANGGU GROUP Co.,Ltd. |