CN208703855U - A kind of polyhedron LED lens - Google Patents
A kind of polyhedron LED lens Download PDFInfo
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- CN208703855U CN208703855U CN201821243144.XU CN201821243144U CN208703855U CN 208703855 U CN208703855 U CN 208703855U CN 201821243144 U CN201821243144 U CN 201821243144U CN 208703855 U CN208703855 U CN 208703855U
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Abstract
The utility model discloses a kind of polyhedron LED lens, and positive camber, negative camber and cavity, 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.Polyhedron LED lens are divide into upper part and lower part, and top half is ambient lighting, and lower half portion is road lighting.Light-emitting surface includes upper light-emitting surface and lower light-emitting surface, and the plane of incidence includes the upper plane of incidence and the lower plane of incidence, and upper light-emitting surface surface is frosting, and the fold successively spliced is arranged on lower light-emitting surface, and fold includes that a section and a light distribution surface, section are connected with light distribution surface.The utility model provides a kind of polyhedron LED lens, it is vertically mounted on road side, using the independent light distribution design of upper and lower two parts, lower part lens are used for road lighting, upper part lens are illuminated for space environment, while realizing road large area lighting, reduces the contrast of road lighting and space environment illumination, improve the visual adaptability of driver.
Description
Technical field
The utility model belongs to LED lens technical field, in particular to a kind of polyhedron LED lens.
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.
Summary of the invention
The utility model is to solve the technical problem that existing low position lighting irradiation area is small, irradiation distance is short, proposes one kind
Polyhedron LED lens take into account space environment illumination while meeting road large area lighting.
To solve the above problems, the technical scheme adopted by the utility model is that: a kind of polyhedron LED lens, including outcurve
Face, negative camber and cavity, 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
It is interior, constitute light-source chamber 3, it is characterised in that: and polyhedron LED lens are divide into upper part and lower part, and top half lens are ambient lighting,
Lower half portion lens are road lighting；The light-emitting surface 2 includes upper light-emitting surface 21 and lower light-emitting surface 22, and the plane of incidence 1 includes
The upper plane of incidence 11 and the lower plane of incidence 12；21 surface of upper light-emitting surface is frosting, is arranged on the lower light-emitting surface 22 and successively spells
The fold 221 connect, the fold 221 include a section 2211 and a light distribution surface 2212, the section 2211 and light distribution surface
2212 are connected.
Preferably, the polyhedron LED lens are hollow semi-cylinders body, i.e., light-emitting surface 2 is C-shaped, can be with round guardrail
Pipe surface is bonded completely, does not destroy landscape, integrality and the concordance of original round guardrail pipe, beautiful and generous.
Preferably, the polyhedron LED lens are hollow hemisphere, i.e. light-emitting surface 2 is semicircle, and lens are small in size, no
Only can be with save the cost, and modularized design can be carried out, it is suitable for a variety of occasions.
Preferably, 21 surface of upper light-emitting surface is frosting, and upward space environment illuminating ray is softer, does not pierce
Eye reduces the contrast of road lighting and space environment illumination, improves the visual adaptability of driver.
Preferably, the fold 221 successively spliced is set on the lower light-emitting surface 22, using segmentation light distribution design, passes through tune
The parameters such as position, curvature, length, the angle of fold are saved to adjust road lighting distribution curve flux, realize road large area lighting.
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 provided by the utility model, are vertically mounted on road side, using upper and lower two parts list
Only light distribution design, lower part lens are used for road lighting, and upper part lens are illuminated for space environment, realize that road large area is shone
While bright, reduce the contrast of road lighting and space environment illumination, improve the visual adaptability of driver.Upper part is saturating
Mirror is Lambertian light distribution, and emergent ray is spread around, and upper light-emitting surface is frosting, and upward space environment illuminating ray is more
It is soft, it is not dazzling.For lower part lens using segmentation light distribution design, light distribution is accurate, and more light are projeced into road lighting, real
Existing road large area lighting.
A kind of polyhedron LED lens provided by the utility model are hollow semi-cylinders body, i.e., light-emitting surface is C-shaped, Ke Yiyu
Round guardrail pipe surface is bonded completely, does not destroy landscape, integrality and the concordance of original round guardrail pipe, beautiful and generous.
A kind of polyhedron LED lens provided by the utility model are hollow hemisphere, i.e., light-emitting surface is semicircle, lenticular body
Product is small, not only can be with save the cost, but also can carry out modularized design, is suitable for a variety of occasions.
Detailed description of the invention
Fig. 1 is a kind of polyhedron LED lens perspective view.
Fig. 2 is a kind of polyhedron LED lens light distribution curve.
Fig. 3 is a kind of polyhedron LED lens ray tracing figure.
Drawing reference numeral: the 1, plane of incidence；11, the upper plane of incidence；12, the lower plane of incidence；2, light-emitting surface；21, upper light-emitting surface；22, under
Light-emitting surface；221, fold；2211, section；2212, 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, a kind of polyhedron LED lens, including positive camber, negative camber and cavity, negative camber are smooth surface,
The plane of incidence 1 is constituted, positive camber is light-emitting surface 2, and LED light source is placed in cavity, constitutes light-source chamber 3, it is characterised in that: polyhedron
LED lens are divide into upper part and lower part, and top half lens are ambient lighting, and lower half portion lens are road lighting；The light out
Face 2 includes upper light-emitting surface 21 and lower light-emitting surface 22, and the plane of incidence 1 includes the upper plane of incidence 11 and the lower plane of incidence 12；It is described above to go out
21 surface of smooth surface is frosting, and the fold 221 successively spliced is arranged on the lower light-emitting surface 22, and the fold 221 includes one
Section 2211 and a light distribution surface 2212, the section 2211 are connected with light distribution surface 2212.
Further, the polyhedron LED lens are hollow semi-cylinders body, i.e., light-emitting surface 2 is C-shaped, can be protected with circle
Column pipe surface is bonded completely, does not destroy landscape, integrality and the concordance of original round guardrail pipe, beautiful and generous.
Further, the polyhedron LED lens are hollow hemisphere, i.e. light-emitting surface 2 is semicircle, and lens are small in size,
Not only can be with save the cost, but also modularized design can be carried out, it is suitable for a variety of occasions.
Further, 21 surface of upper 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.
Further, the fold 221 successively spliced is set on the lower light-emitting surface 22, using segmentation light distribution design, passes through
The parameters such as position, curvature, length, the angle of fold are adjusted to adjust road lighting distribution curve flux, realize road large area lighting.
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 ray tracing figure and light distribution curve of lens, as shown in attached drawing 2 and attached drawing 3.In Fig. 3, top light splitting is strong smaller,
It is illuminated for space environment, reduces the contrast of road lighting and space environment illumination, improve the visual adaptability of driver；
Lower part light splitting is strong larger, is used for road lighting.It can realize that road large area is shone by adjusting length and the position of each fold 221
Obvious results fruit.
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, including positive camber, negative camber and cavity, negative camber are smooth surface, the plane of incidence is constituted
(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: polyhedron LED is saturating
Mirror is divide into upper part and lower part, and top half lens are ambient lighting, and lower half portion lens are road lighting；The light-emitting surface (2)
Including upper light-emitting surface (21) and lower light-emitting surface (22), the plane of incidence (1) includes the upper plane of incidence (11) and the lower plane of incidence (12)；Institute
Stating light-emitting surface (21) surface is frosting, and the fold (221) successively spliced, the fold is arranged on the lower light-emitting surface (22)
It (221) include a section (2211) and a light distribution surface (2212), the section (2211) is connected with light distribution surface (2212).
2. a kind of polyhedron LED lens according to claim 1, it is characterised in that: the polyhedron LED lens are hollow
Semicylinder or hollow hemisphere.
3. a kind of polyhedron LED lens according to claim 1, it is characterised in that: the LED light in the light-source chamber (3)
Source 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 |
|---|---|---|---|
| CN201821243144.XU CN208703855U (en) | 2018-08-03 | 2018-08-03 | A kind of polyhedron LED lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821243144.XU CN208703855U (en) | 2018-08-03 | 2018-08-03 | A kind of polyhedron LED lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208703855U true CN208703855U (en) | 2019-04-05 |
Family
ID=65941368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821243144.XU Active CN208703855U (en) | 2018-08-03 | 2018-08-03 | A kind of polyhedron LED lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208703855U (en) |
-
2018
- 2018-08-03 CN CN201821243144.XU patent/CN208703855U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210611 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. |