CN204300975U - Two ellipsoid street lamp brightness homogeneity polarisation light-distribution lens and apply the street lamp of these lens - Google Patents
Two ellipsoid street lamp brightness homogeneity polarisation light-distribution lens and apply the street lamp of these lens Download PDFInfo
- Publication number
- CN204300975U CN204300975U CN201420676986.XU CN201420676986U CN204300975U CN 204300975 U CN204300975 U CN 204300975U CN 201420676986 U CN201420676986 U CN 201420676986U CN 204300975 U CN204300975 U CN 204300975U
- Authority
- CN
- China
- Prior art keywords
- semielliptical
- street lamp
- ellipsoid
- lens
- little
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The utility model provides a kind of pair of ellipsoid street lamp brightness homogeneity polarisation light-distribution lens and applies the street lamp of these lens.Described pair of ellipsoid street lamp brightness homogeneity polarisation light-distribution lens comprises large semielliptical body and little semielliptical groove, described little semielliptical groove is the forming shape in cross section after described large semielliptical body major axis turns 0-60 degree, described large semielliptical body is along longer axis parallel, thickness is greater than the forming shape in cross section, semiaxis place, described large semielliptical body major axis and described little semielliptical groove long axis normal, and the two cross section is positioned at same plane setting.Two ellipsoid street lamp brightness homogeneity polarisation light-distribution lens that the utility model provides carry out deviation by two semielliptical lens to the light of area source, realize the luminous intensity distribution of brightness uniformity polarisation, and accurately determine polarizing angle according to existing lamp stand cantilever footmark, the luminous energy that light source is sent obtains rationality application to greatest extent.
Description
Technical field
The utility model relates to street lamp lens field, particularly relates to a kind of pair of ellipsoid street lamp brightness homogeneity polarisation light-distribution lens and applies the street lamp of these lens.
Background technology
For city illumination major part, designer pursues illuminance uniformity luminous intensity distribution, as long as think uniform-illumination, its brightness is necessarily even.But for road lighting, because the viewing angle of driver is very little, adopt irreflexive brightness and illumination conversion relation then can cause very large error,, there is mirror-reflection when more illumination is mapped to wet ground, therefore in the especially wet road surface on rainy day, distribution curve flux according to the design of brightness uniformity light field will produce larger brightness between light fixture, and the brightness below light fixture can be less, zebra effect is stronger, for traffic driving safety leaves serious future trouble.Brightness uniformity light field is applicable to area illumination, plaza lighting and illumination place, parking lot etc. usually, because these illumination places are mainly for pedestrian provides comfortable lighting environment, the evaluation index of its lighting quality is mainly based on the horizontal illumination on ground; And road lighting is quite different, its objective is as driver provides comfortable lighting environment, lighting object is the runway of vehicle of running at high speed, then need to adopt luminance index to evaluate, so no longer practical based on the rectangle luminous intensity distribution principle of uniform-illumination.When brightness uniformity light field not only ignores driver visual adaptability but also is applied in wet road surface, problem is more serious.In addition, rectangle luminous intensity distribution in the horizontal light illumination from the close-by examples to those far off weakens gradually, road surface light is transversely eager to excel at street lamp near point, is unfavorable for that uniform light distributes.
Utility model content
In order to solve above-mentioned street lamp light in the horizontal and longitudinally upper brightness irregularities, zebra effect is strong and the efficiency of light energy utilization is low problem, the utility model provides transversely a kind of and longitudinal weak and two ellipsoid street lamp brightness homogeneity polarisation light-distribution lens that the efficiency of light energy utilization is high of upper brightness uniformity, zebra effect.
Two ellipsoid street lamp brightness homogeneity polarisation light-distribution lens that the utility model provides comprise large semielliptical body and little semielliptical groove, described little semielliptical groove is the forming shape in cross section after described large semielliptical body major axis turns 0-60 degree, described large semielliptical body is along its longer axis parallel, thickness is greater than the forming shape in cross section, semiaxis place, described large semielliptical body major axis and described little semielliptical groove long axis normal, and the two cross section is positioned at same plane setting.
In a kind of preferred embodiment of the two ellipsoid street lamp brightness homogeneity polarisation light-distribution lens provided at the utility model, the half shaft length of described little semielliptical groove curved surface three axis is respectively 37.42mm, 23.09mm, 9.63mm, the half shaft length of described large semielliptical body curved surface three axis is respectively 62.05mm, 44.22mm, 11.70mm, the discrete thickness between described little semielliptical groove and described large semielliptical body is 14mm.
A kind of street lamp that the utility model also provides, comprise lampshade, lamp source and two ellipsoid street lamp brightness homogeneity polarisation light-distribution lens, the little semielliptical groove center position of described pair of ellipsoid street lamp brightness homogeneity polarisation light-distribution lens is located in described lamp source, and described lampshade is located at outside described two ellipsoid street lamp illuminance uniformity polarisation light-distribution lens.
Compared to prior art, the deflection of light that of the present utility model pair of ellipsoid street lamp brightness homogeneity polarisation light-distribution lens is sent area source by two semielliptical lens, realize the luminous intensity distribution of brightness uniformity polarisation, improve the degree of polarization of road lighting, street lamp is made to go up uniform irradiation in the horizontal and longitudinally, for driver provides comfortable lighting environment, the luminous energy that light source is sent obtains rationality application to greatest extent.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings, wherein:
Fig. 1 is the structural representation of two ellipsoid street lamp brightness homogeneity polarisation light-distribution lens one preferred embodiment that the utility model provides;
Fig. 2 is the distribution curve flux figure of the two ellipsoid street lamp brightness homogeneity polarisation light-distribution lens described in Fig. 1;
Fig. 3 is the upward view of the two ellipsoid street lamp brightness homogeneity polarisation light-distribution lens described in Fig. 1;
Fig. 4 is the side view of the two ellipsoid street lamp brightness homogeneity polarisation light-distribution lens described in Fig. 1.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only a part of embodiment of the present utility model, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making other embodiments all obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Referring to Fig. 1, is the structural representation of two ellipsoid street lamp brightness homogeneity polarisation light-distribution lens one preferred embodiment that the utility model provides.
Described pair of ellipsoid street lamp brightness homogeneity polarisation light-distribution lens 1 comprises large semielliptical body 11 and little semielliptical groove 12.Described little semielliptical groove 12 is the forming shape turning cross section after 5 degree around described large semielliptical body 11 major axis, described large semielliptical body 11 is along its longer axis parallel, thickness is greater than the forming shape in cross section, semiaxis place, described large semielliptical body 11 major axis and described little semielliptical groove 12 long axis normal, and the two maximum cross-section be arranged in parallel.
Under large semielliptical body 11 and little semielliptical groove 12 are in same three-dimensional system of coordinate, the centre coordinate of wherein said little semielliptical groove 12 is (0,0,0), and the half shaft length of its three axis is respectively a1, b1, c1.The centre coordinate of described large semielliptical body 11 is (0,0, h2), and the half shaft length of its three axis is respectively a2, b2, c2, and is and longer axis parallel, and thickness is the forming shape that semiaxis c2 adds cross section, discrete thickness h 2 place.Described little semielliptical groove 12 curved surface half shaft length a1, b1, c1 and described large semielliptical body 11 curved surface half shaft length a2, b2, c2 and discrete thickness h 2 are derived by following step and are drawn:
Step one, choose the light source that luminous diameter is 20mm, by the half shaft length a1=17.5mm of little semielliptical groove 12 curved surface three axis described in optics empirical estimating, b1=11.5mm, c1=9.63mm;
Step 2, set light source at the centre coordinate of described little semielliptical groove 12, by the vector form of law of conservation of energy and refraction law, obtain the some discrete coordinate points of described large semielliptical body 11, therefrom get four point coordinate, obtain the major semi-axis a2=31mm of described large semielliptical body 11, b2=22mm, c2=16mm, and the valuation of h2=14mm;
Step 3, described little semielliptical groove 12 rotate 5 degree around x-axis and can realize street lamp lens polarisation, and by two ellipsoids along y-axis and z-axis convergent-divergent cos5 doubly, cos5 is 0.9962.
Step 4, carry out modeling by Soildworks software, lens model is imported in Tracepro software and carry out optical analogy, the distribution curve flux in Tracepro, aiming screen shown and illumination figure etc. analyze, and constantly finely tune the a1 of two ellipsoid at Soildworks software, b1, c1, the value of a2, b2, c2 and h2, to lens model optimization, finally realize the luminous intensity distribution of brightness uniformity best results.
Carry out modeling by Soildworks software, lens model is imported in Tracepro software and carry out optical analogy, the light simulation drawing of optical analogy can be obtained.
See also Fig. 2, Fig. 3 and Fig. 4, wherein Fig. 2 is the distribution curve flux figure of the two ellipsoid street lamp brightness homogeneity polarisation light-distribution lens described in Fig. 1; Fig. 3 is the upward view of the two ellipsoid street lamp brightness homogeneity polarisation light-distribution lens described in Fig. 1; Fig. 4 is the side view of the two ellipsoid street lamp brightness homogeneity polarisation light-distribution lens described in Fig. 1.
Soildworks software is constantly finely tuned the a1 of two ellipsoid, b1, c1, the value of a2, b2, c2 and h2, the distribution curve flux in Tracepro, aiming screen shown and illumination figure etc. analyze, and after the luminous intensity distribution realizing illuminance uniformity best results, can obtain optimum dimension.
Now, the corresponding parameter of two ellipsoid street lamp brightness homogeneity polarisation light-distribution lens is: a1=37.42mm, b1=23.09mm, c1=9.63mm, a2=62.05mm, b2=44.22, c2=11.70mm and h2=14mm.
Two ellipsoid street lamp brightness homogeneity light-distribution lens of gained optimum dimension are simulated in DIALux software backroad illumination, 10 lamp bilateral cloth lamps are adopted in DIALux, light fixture is apart from high ratio 3.5, lamp stand tilts 25 degree, link length 35 meters, width 11 meters, pitch parameter is R3, q0:0.070, level of illumination: ME3a, can obtain following photometry result.
A kind of street lamp that the utility model also provides, comprise lampshade, lamp source and two ellipsoid street lamp brightness homogeneity polarisation light-distribution lens 1, the little semielliptical groove center position of described pair of ellipsoid street lamp brightness homogeneity polarisation light-distribution lens 1 is located in described lamp source, and described lampshade is located at outside described two ellipsoid street lamp illuminance uniformity polarisation light-distribution lens 1.
The deflection of light that of the present utility model pair of ellipsoid street lamp brightness homogeneity polarisation light-distribution lens 1 is sent area source by two semielliptical lens, realize the luminous intensity distribution of brightness uniformity polarisation, improve the degree of polarization of road lighting, street lamp is made to go up uniform irradiation in the horizontal and longitudinally, for driver provides comfortable lighting environment, the luminous energy that light source is sent obtains rationality application to greatest extent.
The foregoing is only embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize the utility model instructions and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical field, be all in like manner included in scope of patent protection of the present utility model.
Claims (3)
1. a two ellipsoid street lamp brightness homogeneity polarisation light-distribution lens, it is characterized in that, comprise large semielliptical body and little semielliptical groove, described little semielliptical groove is the forming shape in cross section after described large semielliptical body major axis turns 0-60 degree, described large semielliptical body is along longer axis parallel, thickness is greater than the forming shape of semiaxis place along described little semielliptical channel section, described large semielliptical body major axis and described little semielliptical groove long axis normal, and the two cross section is positioned at same plane setting.
2. according to claim 1 pair of ellipsoid street lamp brightness homogeneity polarisation light-distribution lens, it is characterized in that, the half shaft length of described little semielliptical groove curved surface three axis is respectively 37.42mm, 23.09mm, 9.63mm, the half shaft length of described large semielliptical body curved surface three axis is respectively 62.05mm, 44.22mm, 11.70mm, the discrete thickness between described little semielliptical groove and described large semielliptical body is 14mm.
3. a street lamp, comprise lampshade and lamp source, it is characterized in that, also comprise the two ellipsoid street lamp brightness homogeneity polarisation light-distribution lens described in claim 1 or 2, the little semielliptical groove center position of described pair of ellipsoid street lamp brightness homogeneity polarisation light-distribution lens is located in described lamp source, and described lampshade is located at outside described two ellipsoid street lamp illuminance uniformity polarisation light-distribution lens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420676986.XU CN204300975U (en) | 2014-11-13 | 2014-11-13 | Two ellipsoid street lamp brightness homogeneity polarisation light-distribution lens and apply the street lamp of these lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420676986.XU CN204300975U (en) | 2014-11-13 | 2014-11-13 | Two ellipsoid street lamp brightness homogeneity polarisation light-distribution lens and apply the street lamp of these lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204300975U true CN204300975U (en) | 2015-04-29 |
Family
ID=53106510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420676986.XU Expired - Fee Related CN204300975U (en) | 2014-11-13 | 2014-11-13 | Two ellipsoid street lamp brightness homogeneity polarisation light-distribution lens and apply the street lamp of these lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204300975U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018094879A1 (en) * | 2016-11-23 | 2018-05-31 | 深圳市明智塑胶制品有限公司 | Ellipsoidal wide-angle backlight source lens |
-
2014
- 2014-11-13 CN CN201420676986.XU patent/CN204300975U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018094879A1 (en) * | 2016-11-23 | 2018-05-31 | 深圳市明智塑胶制品有限公司 | Ellipsoidal wide-angle backlight source lens |
| US10585309B2 (en) | 2016-11-23 | 2020-03-10 | Shenzhen Mingzhi Ultra Precision Technology Co., Ltd. | Ellipsoid wide angle backlight lens |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102494279B (en) | Method for designing asymmetric light-emitting diode (LED) street lamp based on light distribution optimization | |
| CN104696884B (en) | A kind of LED collimation lens design method of pair of free form surface | |
| CN103148450B (en) | Optical diffusion plate for LED (Light Emitting Diode) lamp | |
| CN103335276B (en) | A kind of LED street lamp lens and LED street lamp system | |
| CN103927421B (en) | The implementation method of three-dimensional optical system | |
| CN101749641A (en) | Free-form surface spreadlightlens for high-power LED street lighting | |
| CN202469873U (en) | LED (Light Emitting Diode) dual-batwing optical lens and LED lamp | |
| CN102401319B (en) | Light emitting diode (LED) secondary optical lens | |
| CN104421837B (en) | A kind of Universal LED lens | |
| CN108036281B (en) | A kind of LED lens array design methodology forming uniform square hot spot | |
| CN204300975U (en) | Two ellipsoid street lamp brightness homogeneity polarisation light-distribution lens and apply the street lamp of these lens | |
| CN103383094B (en) | Free-form surface forming method for optical lens for light-emitting diode (LED) motorcycle head lamp | |
| CN203615247U (en) | Polarized lens of high-power LED street lamp | |
| CN204853333U (en) | Polarisation formula lens that LED street lamp was used | |
| CN203202908U (en) | LED road lamp light distribution lens | |
| CN205316246U (en) | Optical lens that LED car front fog lamp was used | |
| CN201811146U (en) | Free-form surface spreadlight lens for illumination of high-power LED streetlight | |
| CN203323002U (en) | LED street lamp lens and LED street lamp system | |
| CN204268370U (en) | Two ellipsoid street lamp brightness uniformity light-distribution lens and apply the street lamp of these lens | |
| CN104902622A (en) | LED (Light Emitting Diode) light source system design for realizing double uniformity of road surface illumination and brightness | |
| CN204664962U (en) | A kind of lighting removing veiling glare | |
| CN107388191A (en) | Double optical lens with free curved surface for LED automobile dipped headlight | |
| CN102798054A (en) | LED (light-emitting diode) backlighting structure for expressway tunnel | |
| CN105042511A (en) | Method for forming free-form surfaces of optical lenses of LED motorcycle headlamp | |
| CN201193805Y (en) | Wide-angle corrugated matrix form LED lamp |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150429 Termination date: 20201113 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |