CN201555145U - Equal-brightness light-distribution lens of LED streetlamp and combination body thereof - Google Patents
Equal-brightness light-distribution lens of LED streetlamp and combination body thereof Download PDFInfo
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- CN201555145U CN201555145U CN200920211764XU CN200920211764U CN201555145U CN 201555145 U CN201555145 U CN 201555145U CN 200920211764X U CN200920211764X U CN 200920211764XU CN 200920211764 U CN200920211764 U CN 200920211764U CN 201555145 U CN201555145 U CN 201555145U
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- plane
- refraction
- distribution lens
- street lamp
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/72—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps in street lighting
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Abstract
The utility model relates to an equal-brightness light-distribution lens of an LED streetlamp. The center of the bottom surface of the lens is provided with an LED light source installation position; a second refracting surface is opposite to the bottom surface; a third refracting surface and a fourth refracting surface are symmetrically arranged corresponding to the LED light source installation position and are connected with the bottom surface and the second refracting surface respectively; a fifth refracting surface and a sixth refracting surface are arranged at two sides of the LED installation position and are connected with the bottom surface, the second refracting surface, the third refracting surface and the fourth refracting surface respectively; and the first refracting surface is arranged between the bottom surface and the second refracting surface, is arranged on the bottom surface and covers the LED light source installation position. The utility model also provides a combination body of the equal-brightness light-distribution lens of LED streetlamp. In the utility model, the equal-brightness light-distribution lens of LED streetlamp has simple and novel structure, can distribute light uniformly, has ideal light-distribution effect, and improves the utilization ratio of light energy, thus utilizing the light energy more reasonably and effectively and generating better road illumination effect, thereby being applicable to large-scale popularization and application.
Description
Technical field
The utility model relates to technical field of lamps, and particularly LED street lamp technical field specifically is meant brightness light-distribution lens and assemblys thereof such as a kind of LED street lamp.
Background technology
Along with the development of LED technology, originally many more street lamps use LED as light emitting source.The luminous energy how effectively to distribute LED to send is the key issue that the LED road lamp optical system will solve.
The characteristics of the technology that existing LED street lamp adopts mainly contain:
1. do not use secondary optical system, simply utilize the light distribution of LED self to realize road lighting;
2. use secondary optics, lens or reflector, but luminous intensity distribution is batswing tab equiluminous luminous intensity distribution substantially;
3. use lens mostly to be the shelled peanut appearance;
4. use reflector and lens to carry out optical design simultaneously;
Therefore, there is following shortcoming:
1. the efficiency of light energy utilization is low, and light pollution is serious, and the road lighting effect is bad;
2. adopt equiluminous batswing tab luminous intensity distribution, the road Luminance Distribution is inhomogeneous, and zebra-stripe is serious;
3. distribution curve flux is undesirable, and the largest light intensity angle is less, and the road lighting effect is bad;
4. complex structure, reflection loss and lens absorb big, and the efficiency of light energy utilization is not high;
Therefore, need provide brightness light-distribution lens such as a kind of LED street lamp, it can uniform light distribution, and the light distribution effect ideal improve the efficiency of light energy utilization, thereby rational and effective is utilized luminous energy more, produces better road lighting effect.
The utility model content
The purpose of this utility model is to have overcome above-mentioned shortcoming of the prior art, brightness light-distribution lens and assemblys thereof such as a kind of LED street lamp are provided, brightness light-distribution lens novelties simple for structure such as this LED street lamp, can uniform light distribution, the light distribution effect ideal improve the efficiency of light energy utilization, thereby rational and effective is utilized luminous energy more, produce better road lighting effect, be suitable for large-scale promotion application.
To achieve these goals, brightness light-distribution lens such as LED street lamp of the present utility model has following formation:
Brightness light-distribution lens such as this LED street lamp, be characterized in, comprise the bottom surface, first plane of refraction, second plane of refraction, the third reflect face, the fourth reflect face, the 5th plane of refraction and the 6th plane of refraction, the center of described bottom surface is provided with the led light source installation site, described second plane of refraction is relative with described bottom surface, described third reflect face is symmetrical arranged with respect to described led light source installation site with described fourth reflect face and is connected described bottom surface and described second plane of refraction respectively, described the 5th plane of refraction is positioned at both sides, described led light source installation site and is connected described bottom surface respectively with described the 6th plane of refraction, described second plane of refraction, described third reflect face and described fourth reflect face, described first plane of refraction are between described bottom surface and described second plane of refraction and be installed on the described bottom surface and cover described led light source installation site.
Preferably, described first plane of refraction, described second plane of refraction, described the 5th plane of refraction and described the 6th plane of refraction are the NURBS free form surface, and described third reflect face and described fourth reflect face are NURBS free form surface or plane.
Preferably, on described first plane of refraction, described second plane of refraction, described third reflect face and the described fourth reflect face anti-reflection film is set all.
Preferably, described the 5th plane of refraction and described the 6th plane of refraction are symmetrical arranged with respect to described led light source installation site.
Preferably, described third reflect face and of the first plane symmetry setting of described fourth reflect face with respect to the vertical described bottom surface at place, described led light source installation site, described the 5th plane of refraction and described the 6th plane of refraction are positioned at the both sides on second plane of the vertical described bottom surface at place, described led light source installation site, vertical described second plane, described first plane.
More preferably, described the 5th plane of refraction and described the 6th plane of refraction are with respect to the described second plane symmetry setting.
The present invention also provides brightness light-distribution lens assemblys such as a kind of LED street lamp, is characterized in, comprises some above-mentioned brightness light-distribution lens such as LED street lamp, and brightness light-distribution lens such as described LED street lamp whenever walk to few two towards identical at least two row of lining up.
Preferably, brightness light-distribution lens such as described LED street lamp be arranged in parallel.
Preferably, brightness light-distribution lens such as described LED street lamp are towards identical 3 row～8 row, 5～15 of the every row lined up.
More preferably, brightness light-distribution lens such as described LED street lamp are towards identical 5 row, 13 of the every row lined up.
The beneficial effects of the utility model are: because the center of bottom surface of the present utility model is provided with the led light source installation site, described second plane of refraction is relative with described bottom surface, described third reflect face is symmetrical arranged with respect to described led light source installation site with described fourth reflect face and is connected described bottom surface and described second plane of refraction respectively, described the 5th plane of refraction is symmetrical arranged with respect to described led light source installation site with described the 6th plane of refraction and is connected described bottom surface respectively, described second plane of refraction, described third reflect face and described fourth reflect face, described first plane of refraction are between described bottom surface and described second plane of refraction and be installed on the described bottom surface and cover described led light source installation site; Make that the largest light intensity angle is big, range of exposures is long, and the lamp spacing is long; Laterally luminous intensity distribution is asymmetric, helps raising the efficiency; It is good that light fixture cuts photosensitiveness, helps reducing dazzle; Brightness uniformity for the road street lamp improves a lot, and illuminating effect is fine; Help making full use of of LED luminous energy, reduce luminous energy waste and pollution; Help improving the efficient of LED road lamp.
Description of drawings
Fig. 1 is the schematic perspective view of a specific embodiment of brightness light-distribution lens such as LED street lamp of the present utility model.
Fig. 2 is that the master of a specific embodiment of brightness light-distribution lens assemblys such as LED street lamp of the present utility model looks schematic diagram.
The specific embodiment
In order more to be expressly understood technology contents of the present utility model, describe in detail especially exemplified by following examples.
See also shown in Figure 1, brightness light-distribution lens such as LED street lamp of the present utility model comprise bottom surface 7, first plane of refraction 1, second plane of refraction 2, third reflect face 3, fourth reflect face 4, the 5th plane of refraction 5 and the 6th plane of refraction 6, the center of described bottom surface 7 is provided with led light source installation site O, described second plane of refraction 2 is relative with described bottom surface 7, described third reflect face 3 is symmetrical arranged O with respect to described led light source installation site and is connected described bottom surface 7 respectively and described second plane of refraction 2 with described fourth reflect face 4, described the 5th plane of refraction 5 is positioned at the both sides of described led light source installation site O and is connected described bottom surface 7 respectively with described the 6th plane of refraction 6, described second plane of refraction 2, described third reflect face 3 and described fourth reflect face 4, described first plane of refraction 1 are between described bottom surface 7 and described second plane of refraction 2 and be installed on the described bottom surface 7 and cover described led light source installation site O.Bottom surface 7 is used for fitting with aluminium base.
Preferably, described first plane of refraction 1, described second plane of refraction 2, described the 5th plane of refraction 5 and described the 6th plane of refraction 6 are the NURBS free form surface, and described third reflect face 3 and described fourth reflect face 4 are NURBS free form surface or plane.In specific embodiment of the utility model, described first plane of refraction 1, described second plane of refraction 2, described the 5th plane of refraction 5, described the 6th plane of refraction 6, described third reflect face 3 and described fourth reflect face 4 are the NURBS free form surface.
In specific embodiment of the utility model, on described first plane of refraction 1, described second plane of refraction 2, described third reflect face 3 and the described fourth reflect face 4 anti-reflection film is set all.
Preferably, described the 5th plane of refraction 5 and described the 6th plane of refraction 6 are symmetrical arranged with respect to described led light source installation site O.
Preferably, described third reflect face 3 and of the first plane symmetry setting of described fourth reflect face 4 with respect to the vertical described bottom surface 7 at O place, described led light source installation site, described the 5th plane of refraction 5 and described the 6th plane of refraction 6 are positioned at the both sides on second plane of the vertical described bottom surface 7 at O place, described led light source installation site, vertical described second plane, described first plane.In specific embodiment of the utility model, described the 5th plane of refraction 5 and described the 6th plane of refraction 6 are with respect to the described second plane symmetry setting, and wherein first plane is in X-axis and plane, Z axle place among Fig. 1, and second plane is in Y-axis and plane, Z axle place among Fig. 1.
The lens material that above-mentioned plane of refraction adopts is PC or PMMA (acryl), can adopt mold injection molding, and during installation, Y-axis is the road longitudinal direction, and X-axis is the road horizontal direction, and led light source is positioned at initial point O place.After the refraction reflection takes place by first plane of refraction 1, second plane of refraction 2, third reflect face 3 and fourth reflect face 4 in led light source light, brightness luminous intensity distribution such as make that vertical luminous intensity distribution has; By changing the shape of second plane of refraction 2, third reflect face 3 and fourth reflect face 4, can be so that vertically the largest light intensity angle be between the 60-75 degree; Source light through first plane of refraction 1 after, arrive the 5th plane of refraction 5 and the 6th plane of refraction 6 and take place reflect away from second plane of refraction 2 after the total reflections, the raising lens efficiency; If the 5th plane of refraction 5 and the 6th plane of refraction 6 are asymmetric, source light makes horizontal luminous intensity distribution have distribution or asymmetrical distribution after by first plane of refraction 1, second plane of refraction 2, the 5th plane of refraction 5 and the 6th plane of refraction 6 the refraction reflection taking place; If the 5th plane of refraction 5 and the 6th plane of refraction 6 symmetries by the 5th plane of refraction 5 and the 6th plane of refraction 6 of symmetry, can realize the lateral symmetry luminous intensity distribution; First plane of refraction 1, second plane of refraction 2, third reflect face 3 and fourth reflect face 4 have plated anti-reflection film, reduce the boundary reflection loss, improve the lens light extraction efficiency.
Therefore, brightness light-distribution lens such as LED street lamp of the present utility model such as vertically have at the brightness luminous intensity distribution, laterally have symmetry or asymmetric luminous intensity distribution, make the road lighting better effects if, and uniformity is better, and is more energy-conservation.
See also shown in Figure 2ly, brightness light-distribution lens assemblys such as a kind of LED street lamp of the present invention comprise some above-mentioned brightness light-distribution lens such as LED street lamp, and brightness light-distribution lens such as described LED street lamp are capable towards the identical M that lines up, M 〉=2, every capable N, N 〉=2.That is, lens moduleization can be opened M * N lens unitary mould, improve the street lamp efficiency of assembling.
Preferably, M=3～8, N=5～15.In specific embodiments of the invention, M=5, N=13, brightness light-distribution lens such as described LED street lamp be arranged in parallel.
To sum up, brightness light-distribution lens novelties simple for structure such as LED street lamp of the present utility model can uniform light distribution, the light distribution effect ideal improve the efficiency of light energy utilization, thereby rational and effective is utilized luminous energy more, produce better road lighting effect, be suitable for large-scale promotion application.
In this specification, the utility model is described with reference to its certain embodiments.But, still can make various modifications and conversion obviously and not deviate from spirit and scope of the present utility model.Therefore, specification and accompanying drawing are regarded in an illustrative, rather than a restrictive.
Claims (10)
1. brightness light-distribution lens such as LED street lamp, it is characterized in that, comprise the bottom surface, first plane of refraction, second plane of refraction, the third reflect face, the fourth reflect face, the 5th plane of refraction and the 6th plane of refraction, the center of described bottom surface is provided with the led light source installation site, described second plane of refraction is relative with described bottom surface, described third reflect face is symmetrical arranged with respect to described led light source installation site with described fourth reflect face and is connected described bottom surface and described second plane of refraction respectively, described the 5th plane of refraction is positioned at both sides, described led light source installation site and is connected described bottom surface respectively with described the 6th plane of refraction, described second plane of refraction, described third reflect face and described fourth reflect face, described first plane of refraction are between described bottom surface and described second plane of refraction and be installed on the described bottom surface and cover described led light source installation site.
2. brightness light-distribution lens such as LED street lamp according to claim 1, it is characterized in that, described first plane of refraction, described second plane of refraction, described the 5th plane of refraction and described the 6th plane of refraction are the NURBS free form surface, and described third reflect face and described fourth reflect face are NURBS free form surface or plane.
3. brightness light-distribution lens such as LED street lamp according to claim 1 is characterized in that, on described first plane of refraction, described second plane of refraction, described third reflect face and the described fourth reflect face anti-reflection film are set all.
4. brightness light-distribution lens such as LED street lamp according to claim 1 is characterized in that described the 5th plane of refraction and described the 6th plane of refraction are symmetrical arranged with respect to described led light source installation site.
5. brightness light-distribution lens such as LED street lamp according to claim 1, it is characterized in that, described third reflect face and of the first plane symmetry setting of described fourth reflect face with respect to the vertical described bottom surface at place, described led light source installation site, described the 5th plane of refraction and described the 6th plane of refraction are positioned at the both sides on second plane of the vertical described bottom surface at place, described led light source installation site, vertical described second plane, described first plane.
6. brightness light-distribution lens such as LED street lamp according to claim 5 is characterized in that described the 5th plane of refraction and described the 6th plane of refraction are with respect to the described second plane symmetry setting.
7. brightness light-distribution lens assemblys such as LED street lamp, it is characterized in that, comprise somely according to brightness light-distribution lens such as each described LED street lamps in the claim 1 to 5, brightness light-distribution lens such as described LED street lamp whenever walk to few two towards identical at least two row of lining up.
8. brightness light-distribution lens assemblys such as LED street lamp according to claim 7 is characterized in that, brightness light-distribution lens such as described LED street lamp be arranged in parallel.
9. brightness light-distribution lens assemblys such as LED street lamp according to claim 7 is characterized in that, brightness light-distribution lens such as described LED street lamp are towards identical 3 row～8 row, 5～15 of the every row lined up.
10. brightness light-distribution lens assemblys such as LED street lamp according to claim 9 is characterized in that, brightness light-distribution lens such as described LED street lamp are towards identical 5 row, 13 of the every row lined up.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920211764XU CN201555145U (en) | 2009-11-03 | 2009-11-03 | Equal-brightness light-distribution lens of LED streetlamp and combination body thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920211764XU CN201555145U (en) | 2009-11-03 | 2009-11-03 | Equal-brightness light-distribution lens of LED streetlamp and combination body thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201555145U true CN201555145U (en) | 2010-08-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920211764XU Expired - Lifetime CN201555145U (en) | 2009-11-03 | 2009-11-03 | Equal-brightness light-distribution lens of LED streetlamp and combination body thereof |
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| Country | Link |
|---|---|
| CN (1) | CN201555145U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102927455A (en) * | 2011-08-09 | 2013-02-13 | 富士迈半导体精密工业（上海）有限公司 | Light emitting diode lamp |
| CN103196040A (en) * | 2012-01-06 | 2013-07-10 | 扬升照明股份有限公司 | Lens structure, light source device and light source module |
| CN108800061A (en) * | 2017-07-03 | 2018-11-13 | 刘世芬 | A kind of light-distribution lens of line lamp |
-
2009
- 2009-11-03 CN CN200920211764XU patent/CN201555145U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102927455A (en) * | 2011-08-09 | 2013-02-13 | 富士迈半导体精密工业（上海）有限公司 | Light emitting diode lamp |
| CN103196040A (en) * | 2012-01-06 | 2013-07-10 | 扬升照明股份有限公司 | Lens structure, light source device and light source module |
| CN103196040B (en) * | 2012-01-06 | 2015-03-11 | 扬升照明股份有限公司 | Lens structure, light source device and light source module |
| CN108800061A (en) * | 2017-07-03 | 2018-11-13 | 刘世芬 | A kind of light-distribution lens of line lamp |
| CN108800061B (en) * | 2017-07-03 | 2020-07-10 | 刘世芬 | Grading lens of line lamp |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100818 |
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| CX01 | Expiry of patent term |