CN203202908U - LED road lamp light distribution lens - Google Patents
LED road lamp light distribution lens Download PDFInfo
- Publication number
- CN203202908U CN203202908U CN 201320205657 CN201320205657U CN203202908U CN 203202908 U CN203202908 U CN 203202908U CN 201320205657 CN201320205657 CN 201320205657 CN 201320205657 U CN201320205657 U CN 201320205657U CN 203202908 U CN203202908 U CN 203202908U
- Authority
- CN
- China
- Prior art keywords
- substrate
- datum level
- face
- plane
- road lamp
- 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
Images
Landscapes
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The utility model discloses an LED road lamp light distribution lens which comprises a substrate, a light inlet face and a light outlet face. An accommodating groove is formed in the lower surface of the substrate, the light inlet face can serve as the inner wall of the accommodating groove, a protrusion portion is positioned on the upper surface of the substrate, the light outlet face can serve as the outer wall of the protrusion portion, a plane perpendicular to the upper surface of the substrate and passing through the central line of the substrate can serve as a first base face, the light inlet face and the light outlet face are symmetrically distributed on two side of the first base face, a plane perpendicular to the upper surface of the substrate and the first base face and passing through the central line of the substrate serves as a second base face, the light inlet face and the light outlet face are asymmetrically distributed on the two sides of the second base face, a plurality of refraction points are arranged on the light inlet face, the refraction points are evenly distributed on the whole light inlet face, each refraction point is of a bowl-shaped groove structure, and a convex face of each refraction point faces towards one side of the light outlet face. The LED road lamp light distribution lens can acquire evenly-distributed light spots, reduces glare to the great degree and avoids glaring visual perception.
Description
Technical field
The utility model relates to the lens field, is specifically related to LED road lamp light distribution lens.
Background technology
At present, the LED street lamp has energy-conserving and environment-protective, advantage such as efficient, and enjoys the industry favor.And lens can improve the light effect that of light as the important spare part of LED street lamp.Yet existing lens all adopt axially symmetric structure, cause the brightness of illumination in pavement and track identical easily, but according to the requirement of road lighting standard, the brightness of illumination on pavement is low with respect to the brightness in track, thereby causes the waste of luminous energy.In order to address the above problem, China Patent No. discloses a kind of LED road lamp light distribution lens for the utility model patent of " 201220251188.3 ", comprise substrate, incidence surface, exiting surface, the lower surface of substrate is provided with the holding tank of installing for LED lamp pearl, and described incidence surface is the inwall of holding tank; The upper surface of substrate is provided with lug boss, and described exiting surface is the outer wall of lug boss.Because exiting surface and incidence surface all are distribution or asymmetrical distribution in the both sides of second datum level, can realize eccentric luminous intensity distribution, thereby make the partial illumination zonal ray stronger, the partial illumination zonal ray a little less than, meeting the road lighting standard, and improve the utilization rate of luminous energy; But the LED road lamp light distribution lens of this structure also exist luminous intensity distribution inhomogeneous, also can produce dazzle, cause producing the shortcoming of dazzling visual experience.
The utility model content
At the deficiencies in the prior art, the purpose of this utility model is for a kind of LED road lamp light distribution lens are provided, and it can obtain equally distributed hot spot, and greatly degree reduces dazzle, avoids producing dazzling visual experience.
For achieving the above object, the utility model adopts following technical scheme:
LED road lamp light distribution lens comprise substrate, incidence surface, exiting surface, and the lower surface of substrate is provided with the holding tank of installing for LED lamp pearl, and described incidence surface is the inwall of holding tank; The upper surface of substrate is provided with lug boss, and described exiting surface is the outer wall of lug boss; To be first datum level perpendicular to upper surface of base plate and through one of them plane of substrate center line, exiting surface and incidence surface all are symmetrical distribution in the both sides of first datum level; To be second datum level through the plane of substrate center's line also perpendicular to upper surface of base plate and first datum level, incidence surface and exiting surface all are distribution or asymmetrical distribution in the both sides of second datum level; It is characterized in that: be provided with several refraction points at described incidence surface, described refraction point is uniformly distributed on the whole incidence surface; Described refraction point is bowl-shape groove structure, and its convex surface is towards exiting surface one side.
Realize that the purpose of this utility model can also reach by taking following technical scheme:
Realize that a kind of embodiment of the present utility model is: described exiting surface comprises front curve, the rear curved surface that is connected with front curve, and the middle part of described rear curved surface is inner concavity, and rear curved surface, front curve are symmetrical distribution in the both sides of first datum level.
Realize that a kind of embodiment of the present utility model is: the intersection that is parallel to the plane of second datum level and incidence surface all is the smooth curve of unimodal shape.Being parallel to the plane of upper surface of base plate and the intersection of exiting surface is closed curve, this closed curve comprises first camber line, second camber line, the 3rd camber line of head and the tail connection successively, described second camber line and the 3rd camber line be by the transition of indent camber line, and between all the other adjacent camber lines all by the circular arc smooth transition; And the length direction of this closed curve is consistent with the bearing of trend of second datum level, and width is consistent with the bearing of trend of first datum level.
Realize that a kind of embodiment of the present utility model is: the intersection that is parallel to the plane of first datum level and exiting surface all is the smooth curve of unimodal shape, and the peak of this smooth curve is positioned at a side of substrate center's line; The intersection that is parallel to the plane of first datum level and incidence surface all is the smooth curve of unimodal shape, and the peak of this smooth curve is positioned at a side of substrate center's line; The peak that is parallel to the intersection of the plane of first datum level and exiting surface is positioned at the same side of substrate center's line with the peak of the intersection of this plane and incidence surface.
Realize that a kind of embodiment of the present utility model is: the rounded shape of described substrate, the center line of substrate are its axis.
Realize that a kind of embodiment of the present utility model is: incidence surface and exiting surface are shiny surface.
Realize that a kind of embodiment of the present utility model is: the lower surface of substrate also is provided with a rounded locating slot; Incidence surface is positioned at locating slot in the view field on this plane in the projection of base lower surface.
The beneficial effects of the utility model are:
1, because exiting surface of the present utility model and incidence surface all are distribution or asymmetrical distribution in the both sides of second datum level, can realize eccentric luminous intensity distribution, thereby make the partial illumination zonal ray stronger, the partial illumination zonal ray a little less than, meeting the road lighting standard, and improve the utilization rate of luminous energy; Simultaneously, be provided with several refraction points at described incidence surface, the refraction point of intensive layout can be broken up by reflecting again at the light that as far as possible little scope will be passed on it, and greatly degree reduces dazzle, can not produce dazzling visual experience.Its distribution curve flux is the bat shape in addition, and 130 ℃ of lighting angles can more effectively satisfy luminous covering requirement, thereby realize good illuminating effect.
What 2, the utility model adopted is secondary light-distribution, adopt the luminous intensity distribution form of batswing tab hot spot, the design of light fixture and the difficulty of processing technology have been simplified, make that the volume of light fixture is less relatively, have characteristics such as flat, frivolous, that profile is delicate, and owing to reduced the overall luminous intensity distribution number of times of lamp, namely reduced the light loss of LED output, improved the efficient of light fixture.
Description of drawings
Fig. 1 is the structural representation of the utility model LED road lamp light distribution lens;
Fig. 2 is the structural representation of the other direction of the utility model LED road lamp light distribution lens;
Fig. 3 is the vertical view of LED road lamp light distribution lens shown in Figure 1;
Fig. 4 be Fig. 3 along B-B to cutaway view;
Fig. 5 be Fig. 3 along A-A to cutaway view;
Fig. 6 is the upward view of LED road lamp light distribution lens shown in Figure 1;
Wherein, 1, substrate; 2, incidence surface; 3, exiting surface; 31, front curve; 32, rear curved surface; 4, locating slot; 21, refraction point; The convex surface of 21-1, refraction point; The intersection of P1, second datum level and incidence surface; The intersection of P2, first datum level and exiting surface; The intersection of P3, first datum level and incidence surface.
The specific embodiment
Below, by reference to the accompanying drawings and the specific embodiment, the utility model is described further:
Specific embodiment 1:
With reference to Fig. 1-Fig. 6, the described LED road lamp light distribution of present embodiment lens comprise substrate 1, incidence surface 2, exiting surface 3.The lower surface of substrate 1 is provided with the holding tank of installing for LED lamp pearl, and described incidence surface 2 is the inwall of holding tank.The upper surface of substrate 1 is provided with lug boss, and described exiting surface 3 is the outer wall of lug boss.As shown in Figure 3, be perpendicular to substrate 1 upper surface and through the plane of substrate 1 center line along A-A line cross section, be first datum level of present embodiment with this plane, exiting surface 3 and incidence surface 2 all are symmetrical distribution in the both sides of first datum level.Being with perpendicular to substrate 1 upper surface and first datum level and through the plane of substrate 1 center line along B-B line cross section, is second datum level of present embodiment with this plane, and incidence surface 2 and exiting surface 3 all are distribution or asymmetrical distribution in the both sides of second datum level.As shown in Figure 1, described exiting surface 3 comprises front curve 31, the rear curved surface 32 that is connected with front curve 31, and the middle part of described rear curved surface 32 is inner concavity, and rear curved surface 32, front curve 31 are symmetrical distribution in the both sides of first datum level.By adopting said structure, can realize eccentric luminous intensity distribution, thereby make the partial illumination zonal ray stronger, the partial illumination zonal ray a little less than, meeting the road lighting standard, and improve the utilization rate of luminous energy.And in actual use, can make light be partial to the track by these lens, thus the brightness of illumination in track improved, and reduce the brightness of illumination on pavement.Be provided with several refraction points 21 at described incidence surface 2, described refraction point 21 is uniformly distributed on the whole incidence surface; Described refraction point 21 is bowl-shape groove structure, and its convex surface 21-1 is towards exiting surface 3 one sides.
As shown in Figure 1, 2, described substrate 1 rounded shape, the center line of substrate 1 is its axis.Incidence surface 2 and exiting surface 3 are shiny surface.
As shown in Figure 4, the intersection P1 of the plane of second datum level and incidence surface 2 all is the smooth curve of unimodal shape; And in like manner, the intersection that is parallel to the plane of second datum level and incidence surface 2 all is the smooth curve of unimodal shape.As shown in Figure 5, the intersection P3 of first datum level and incidence surface is the smooth curve of unimodal shape, and the peak of this smooth curve is positioned at a side of substrate 1 center line; In like manner, the intersection that is parallel to first datum level and incidence surface 2 all is the smooth curve of unimodal shape, and the peak of this smooth curve is positioned at a side of substrate 1 center line.
Being parallel to the plane of substrate 1 upper surface and the intersection of exiting surface is closed curve, this closed curve comprises first camber line, second camber line, the 3rd camber line of head and the tail connection successively, described second camber line and the 3rd camber line be by the transition of indent camber line, and between all the other adjacent camber lines all by the circular arc smooth transition; And the length direction of this closed curve is consistent with the bearing of trend of second datum level, and width is consistent with the bearing of trend of first datum level.Specifically as shown in Figure 3, this exiting surface 3 is Pigs Kidney shape in the projection of substrate 1 upper surface.As shown in Figure 5, the intersection P2 of first datum level and exiting surface 3 all is the smooth curve of unimodal shape, and the peak of this smooth curve is positioned at a side of substrate 1 center line; And in like manner, the intersection that is parallel to the plane of first datum level and exiting surface 3 all is the smooth curve of unimodal shape, and the peak of this smooth curve is positioned at a side of substrate 1 center line.The peak that is parallel to the intersection of the plane of first datum level and exiting surface 3 is positioned at the same side of substrate 1 center line with the peak of the intersection of this plane and incidence surface 2.By the structure of incidence surface 2 and exiting surface 3 rationally is set, can be convenient to enlarge its illumination zone, and makes its hot spot be bat wing.And in actual use, can pass through to adjust the parameter of each parts, thus obtain 130 ° lighting angle, to improve its light distribution effect.
Certainly, the shape of exiting surface 3 is not limited in this, also can be set to be similar to other shapes such as peanut shelly in the projection of substrate 1 upper surface by exiting surface 3, and in like manner, also can incidence surface 2 be set to circle in the projection of substrate 1 lower surface and waits other shapes.And this exiting surface 3 and incidence surface 2 all satisfy: all be symmetrical distribution in the both sides of first datum level, all be distribution or asymmetrical distribution in the both sides of second datum level, can realize eccentric light distributing function.
As shown in Figure 2, the lower surface of substrate 1 also is provided with a rounded locating slot 4.Incidence surface 2 is positioned at locating slot 4 in the view field on this plane in the projection of substrate 1 lower surface.Can be convenient to realize the Fast Installation of LED road lamp light distribution lens by locating slot 4.
For a person skilled in the art, can make other various corresponding changes and distortion according to technical scheme described above and design, and these all changes and distortion should belong within the protection domain of the utility model claim all.
Claims (7)
1.LED the road lamp light distribution lens comprise substrate, incidence surface, exiting surface, the lower surface of substrate is provided with the holding tank of installing for LED lamp pearl, and described incidence surface is the inwall of holding tank; The upper surface of substrate is provided with lug boss, and described exiting surface is the outer wall of lug boss; To be first datum level perpendicular to upper surface of base plate and through one of them plane of substrate center line, exiting surface and incidence surface all are symmetrical distribution in the both sides of first datum level; To be second datum level through the plane of substrate center's line also perpendicular to upper surface of base plate and first datum level, incidence surface and exiting surface all are distribution or asymmetrical distribution in the both sides of second datum level; It is characterized in that: be provided with several refraction points at described incidence surface, described refraction point is uniformly distributed on the whole incidence surface; Described refraction point is bowl-shape groove structure, and its convex surface is towards exiting surface one side.
2. LED road lamp light distribution lens according to claim 1, it is characterized in that: described exiting surface comprises front curve, the rear curved surface that is connected with front curve, and the middle part of described rear curved surface is inner concavity, rear curved surface, front curve are symmetrical distribution in the both sides of first datum level.
3. LED road lamp light distribution lens according to claim 1, it is characterized in that: the intersection that is parallel to the plane of second datum level and incidence surface all is the smooth curve of unimodal shape, being parallel to the plane of upper surface of base plate and the intersection of exiting surface is closed curve, this closed curve comprises first camber line, second camber line, the 3rd camber line of head and the tail connection successively, described second camber line and the 3rd camber line be by the transition of indent camber line, and between all the other adjacent camber lines all by the circular arc smooth transition; And the length direction of this closed curve is consistent with the bearing of trend of second datum level, and width is consistent with the bearing of trend of first datum level.
4. LED road lamp light distribution lens according to claim 1 is characterized in that: the intersection that is parallel to the plane of first datum level and exiting surface all is the smooth curve of unimodal shape, and the peak of this smooth curve is positioned at a side of substrate center's line; The intersection that is parallel to the plane of first datum level and incidence surface all is the smooth curve of unimodal shape, and the peak of this smooth curve is positioned at a side of substrate center's line; The peak that is parallel to the intersection of the plane of first datum level and exiting surface is positioned at the same side of substrate center's line with the peak of the intersection of this plane and incidence surface.
5. LED road lamp light distribution lens according to claim 1, it is characterized in that: the rounded shape of described substrate, the center line of substrate are its axis.
6. LED road lamp light distribution lens according to claim 1, it is characterized in that: incidence surface and exiting surface are shiny surface.
7. LED road lamp light distribution lens according to claim 1, it is characterized in that: the lower surface of substrate also is provided with a rounded locating slot; Incidence surface is positioned at locating slot in the view field on this plane in the projection of base lower surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320205657 CN203202908U (en) | 2013-04-22 | 2013-04-22 | LED road lamp light distribution lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320205657 CN203202908U (en) | 2013-04-22 | 2013-04-22 | LED road lamp light distribution lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203202908U true CN203202908U (en) | 2013-09-18 |
Family
ID=49147013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320205657 Expired - Fee Related CN203202908U (en) | 2013-04-22 | 2013-04-22 | LED road lamp light distribution lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203202908U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106678737A (en) * | 2017-01-05 | 2017-05-17 | 苏州硕微鑫光电科技有限公司 | LED road lamp lens |
| CN107702001A (en) * | 2017-10-31 | 2018-02-16 | 重庆光遥光电科技有限公司 | A kind of laser street lamp |
| CN111350974A (en) * | 2018-12-24 | 2020-06-30 | 光宝电子(广州)有限公司 | Light source module |
| CN113446576A (en) * | 2021-06-17 | 2021-09-28 | 深圳市承光光电有限公司 | Lens and illuminating lamp |
-
2013
- 2013-04-22 CN CN 201320205657 patent/CN203202908U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106678737A (en) * | 2017-01-05 | 2017-05-17 | 苏州硕微鑫光电科技有限公司 | LED road lamp lens |
| CN107702001A (en) * | 2017-10-31 | 2018-02-16 | 重庆光遥光电科技有限公司 | A kind of laser street lamp |
| CN111350974A (en) * | 2018-12-24 | 2020-06-30 | 光宝电子(广州)有限公司 | Light source module |
| CN113446576A (en) * | 2021-06-17 | 2021-09-28 | 深圳市承光光电有限公司 | Lens and illuminating lamp |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202613315U (en) | Light distribution lens of LED streetlamp | |
| CN202403190U (en) | Asymmetrical light distribution structure of LED projection lamp | |
| CN203202908U (en) | LED road lamp light distribution lens | |
| CN102401319B (en) | Light emitting diode (LED) secondary optical lens | |
| CN104566216B (en) | A kind of asymmetric LED street lamp lens | |
| CN104421837A (en) | Universal LED lens | |
| CN103322506B (en) | A kind of reflector and include the light fixture of this reflector | |
| CN202791411U (en) | Multidirectional irradiating light-emitting diode (LED) lamp tube | |
| CN202158439U (en) | Light-emitting diode (LED) street lamp with high-efficient rectangular light distribution function | |
| CN102840544A (en) | Light distribution lens and LED (Light Emitting Diode) streetlamp | |
| CN101943355B (en) | Led street lamp unit | |
| CN205655242U (en) | 4 lanes on unilateral cloth lamp and two 8 lanes on side cloth lamp are with LED street lamp lens | |
| CN202392688U (en) | Secondary optical lens for LED (light-emitting diode) | |
| CN210319850U (en) | LED tri-proof light | |
| CN204345531U (en) | A kind of asymmetric LED street lamp lens | |
| CN203442682U (en) | Light reflector with long-distance light projection | |
| CN201535478U (en) | LED lens | |
| CN204005746U (en) | The street lamp with energy-conservation lampshade | |
| CN204285311U (en) | Led street lamp lens | |
| CN203442681U (en) | Reflector of tennis court anti-dazzling lamp | |
| KR20140002942U (en) | Led street lamp lens | |
| CN201606756U (en) | Light distribution LED street lamp | |
| CN202132819U (en) | Guardrail streetlamp | |
| CN201521901U (en) | Led light source reflector | |
| CN103123058A (en) | Light-emitting diode (LED) light source |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 518000 Guangdong province Shenzhen City Pingshan Kengzi office Longtian community Yingzhan Industrial Park B4C building Patentee after: Shenzhen lvneng handing Limited by Share Ltd Address before: 518100, Guangming District, Guangdong, Shenzhen Guangming office, the north side of Chang Gong Road, C building, building 3, building B4, building 3 Patentee before: HETEC Development Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130918 Termination date: 20190422 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |