CN208606120U - A kind of low position lighting LED lens - Google Patents
A kind of low position lighting LED lens Download PDFInfo
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- CN208606120U CN208606120U CN201821243502.7U CN201821243502U CN208606120U CN 208606120 U CN208606120 U CN 208606120U CN 201821243502 U CN201821243502 U CN 201821243502U CN 208606120 U CN208606120 U CN 208606120U
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Abstract
The utility model discloses a kind of low position lighting LED lens, including positive camber, negative camber and cavity, positive camber is smooth surface, constitutes light-emitting surface, and negative camber is the plane of incidence, and LED light source is placed in cavity, constitutes light-source chamber.Low position lighting LED lens are divide into upper part and lower part, and 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.Upper plane of incidence surface is smooth surface, and the fold successively spliced is arranged on the lower plane of incidence, and fold includes that a section and a light distribution surface, section are connected with light distribution surface.A kind of low position lighting LED lens provided by the utility model, 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 low position lighting 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
Low position lighting 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 low position lighting LED lens, including it is outer
Curved surface, negative camber and cavity, positive camber are smooth surface, constitute light-emitting surface 1, and negative camber is the plane of incidence 2, and LED light source is placed in recessed
It is intracavitary, constitute light-source chamber 3；Low position lighting LED lens are divide into upper part and lower part, and the light-emitting surface 1 includes upper light-emitting surface 11 under
Light-emitting surface 12, the plane of incidence 2 include the upper plane of incidence 21 and the lower plane of incidence 22；21 surface of the upper plane of incidence is smooth surface,
The running penetrates the fold 221 for being arranged on face 22 and successively splicing, and the fold 221 includes a section 2211 and a light distribution surface
2212, the section 2211 is connected with light distribution surface 2212.
Preferably, the low position lighting LED lens are hollow semi-cylinders body, i.e., light-emitting surface 1 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.
Preferably, the low position lighting LED lens are hollow hemisphere, i.e. light-emitting surface 1 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.
Preferably, 11 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 lower light-emitting surface 12 is smooth surface, improves light source light transmittance, is used for road large area lighting, has
Effect utilizes luminous energy.
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 low position lighting LED lens provided by the utility model, are vertically mounted on road side, using upper and lower two parts
Independent light distribution design, lower part lens are used for road lighting, and upper part lens are illuminated for space environment, realize road large area
While illumination, reduces the contrast of road lighting and space environment illumination, improve the visual adaptability of driver.Upper part
Lens are Lambertian light distribution, and emergent ray is spread around, and upper light-emitting surface is frosting, and upward space environment illuminating ray is more
Add 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,
Realize road large area lighting.
A kind of low position lighting LED lens provided by the utility model are hollow semi-cylinders body, i.e., light-emitting surface is C-shaped, can be with
It is bonded completely with round guardrail pipe surface, does not destroy landscape, integrality and the concordance of original round guardrail pipe, it is beautiful big
Side.
A kind of low position lighting LED lens provided by the utility model are hollow hemisphere, i.e., light-emitting surface is semicircle, lens
It is 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.
A kind of low position lighting LED lens provided by the utility model, light-emitting surface is smooth surface, is not easy to hide dust, be easy to
Cleaning, natural wind and rain can reach certain cleaning effect, reduce human work, reduce maintenance cost.
Detailed description of the invention
Fig. 1 is 1 perspective view of embodiment.
Fig. 2 is 1 side view of embodiment.
Fig. 3 is 1 light distribution curve of embodiment.
Fig. 4 is 2 perspective view of embodiment.
Fig. 5 is 2 side view of embodiment.
Fig. 6 is 2 light distribution curve of embodiment.
Drawing reference numeral: 1, light-emitting surface；11, upper light-emitting surface；12, lower light-emitting surface；2, the plane of incidence；21, the upper plane of incidence；22, under
The plane of incidence；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.
Embodiment 1:
Referring to attached drawing 1 to attached drawing 2, a kind of low position lighting LED lens, including positive camber, negative camber and cavity, positive camber be
Smooth surface constitutes light-emitting surface 1, and negative camber is the plane of incidence 2, and LED light source is placed in cavity, constitutes light-source chamber 3；Low position lighting
LED lens are divide into upper part and lower part, and the light-emitting surface 1 includes upper light-emitting surface 11 and lower light-emitting surface 12, and the plane of incidence 2 includes upper
The plane of incidence 21 and the lower plane of incidence 22；21 surface of the upper plane of incidence is smooth surface, and the running is penetrated on face 22 to be arranged and successively be spelled
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.
Further, the low position lighting LED lens are hollow semi-cylinders body, i.e., light-emitting surface 1 is C-shaped, can be with circle
Guardrail pipe surface is bonded completely, does not destroy landscape, integrality and the concordance of original round guardrail pipe, beautiful and generous.
Further, 11 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 lower light-emitting surface 12 is smooth surface, improves light source light transmittance, is used for road large area lighting,
Efficiently use luminous energy.
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.Emergent light light intensity by upper light-emitting surface 11 is smaller, is used for spatial loop
Border illumination reduces the contrast of road lighting and space environment illumination, improves the visual adaptability of driver.Pass through lower light out
The emergent light light intensity in face 12 is larger, is used for road lighting.It can realize that road is big by adjusting length and the position of each fold 221
Area illuminating effect.
Embodiment 2:
Referring to attached drawing 4 and attached drawing 5, a kind of low position lighting LED lens, including positive camber, negative camber and cavity, positive camber be
Smooth surface constitutes light-emitting surface 1, and negative camber is the plane of incidence 2, and LED light source is placed in cavity, constitutes light-source chamber 3；Low position lighting
LED lens are divide into upper part and lower part, and the light-emitting surface 1 includes upper light-emitting surface 11 and lower light-emitting surface 12, and the plane of incidence 2 includes upper
The plane of incidence 21 and the lower plane of incidence 22；21 surface of the upper plane of incidence is smooth surface, and the running is penetrated on face 22 to be arranged and successively be spelled
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.
Further, the low position lighting LED lens are hollow hemisphere, i.e., light-emitting surface 1 is semicircle, lens volume
It is small, 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, 11 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 lower light-emitting surface 12 is smooth surface, improves light source light transmittance, is used for road large area lighting,
Efficiently use luminous energy.
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. 6.By the emergent light of upper light-emitting surface 11, light intensity is smaller, is used for space
Ambient lighting reduces the contrast of road lighting and space environment illumination, improves the visual adaptability of driver.By it is lower go out
The emergent light of smooth surface 12, lower part light splitting is strong larger, is used for road lighting, can be real by adjusting length and the position of each fold 221
Existing road large area lighting effect.
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 (4)
1. a kind of low position lighting LED lens, including positive camber, negative camber and cavity, positive camber are smooth surface, light-emitting surface is constituted
(1), negative camber is the plane of incidence (2), and LED light source is placed in cavity, is constituted light-source chamber (3), it is characterised in that: low position lighting LED
Lens are divide into upper part and lower part, and the light-emitting surface (1) includes upper light-emitting surface (11) and lower light-emitting surface (12), the plane of incidence (2)
Including the upper plane of incidence (21) and the lower plane of incidence (22)；The upper plane of incidence (21) surface is smooth surface, and the running penetrates face
(22) fold (221) successively spliced is set on, and the fold (221) includes a section (2211) and a light distribution surface
(2212), the section (2211) is connected with light distribution surface (2212).
2. a kind of low position lighting LED lens according to claim 1, it is characterised in that: the low position lighting LED lens are
Hollow semi-cylinders body or hollow hemisphere.
3. a kind of low position lighting LED lens according to claim 1 or 2, it is characterised in that: upper light-emitting surface (11) table
Face is frosting, and the lower light-emitting surface (12) is smooth surface.
4. a kind of low position lighting LED lens according to claim 1 or 2, it is characterised in that: in the light-source chamber (3)
LED light 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 |
|---|---|---|---|
| CN201821243502.7U CN208606120U (en) | 2018-08-03 | 2018-08-03 | A kind of low position lighting LED lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821243502.7U CN208606120U (en) | 2018-08-03 | 2018-08-03 | A kind of low position lighting LED lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208606120U true CN208606120U (en) | 2019-03-15 |
Family
ID=65670711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821243502.7U Active CN208606120U (en) | 2018-08-03 | 2018-08-03 | A kind of low position lighting LED lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208606120U (en) |
-
2018
- 2018-08-03 CN CN201821243502.7U patent/CN208606120U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210603 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. |