CN201593753U - Asymmetrical LED lens for street lamp - Google Patents

Asymmetrical LED lens for street lamp Download PDF

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Publication number
CN201593753U
CN201593753U CN2010200019344U CN201020001934U CN201593753U CN 201593753 U CN201593753 U CN 201593753U CN 2010200019344 U CN2010200019344 U CN 2010200019344U CN 201020001934 U CN201020001934 U CN 201020001934U CN 201593753 U CN201593753 U CN 201593753U
Authority
CN
China
Prior art keywords
lens
datum level
distance
respect
major axis
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
Application number
CN2010200019344U
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Chinese (zh)
Inventor
唐德龙
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dongguan Ledlink Optics Inc
Original Assignee
LEDLINK OPTICS (YANG ZHOU) CO LTD
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by LEDLINK OPTICS (YANG ZHOU) CO LTD filed Critical LEDLINK OPTICS (YANG ZHOU) CO LTD
Priority to CN2010200019344U priority Critical patent/CN201593753U/en
Application granted granted Critical
Publication of CN201593753U publication Critical patent/CN201593753U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V5/00Refractors for light sources
    • F21V5/04Refractors for light sources of lens shape
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21WINDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2131/00Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/10Outdoor lighting
    • F21W2131/103Outdoor lighting of streets or roads
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21YINDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00Light-generating elements of semiconductor light sources
    • F21Y2115/10Light-emitting diodes [LED]

Abstract

The utility model provides an asymmetrical LED lens for a street lamp. The asymmetrical LED lens is provided with a lens body; a light-emitting surface is upwardly formed at the periphery of the bottom of the lens body; a mold cavity is formed at the bottom of the lens body in an inner concave manner; and the lens body is asymmetrical with an axial datum line, and symmetrical with a centeral short axial datum plane; moreover, an LED luminous body is arranged in the mold cavity, thereby further providing an irradiation area with offset effect.

Description

The asymmetric LED lens that street lamp is used
Technical field
The utility model is about the LED lens, refers to a kind of street lighting that applies to especially, and provides the asymmetric LED lens of the field of illumination of skew.
Background technology
In recent years, because the global warming problem is day by day serious, make environment-friendly products enjoy attention, with regard to the illumination aspect, with light emitting diode (Light Emitting Diode with carbon reduction effect; LED) have development potentiality most, it has high brightness, power saving, service life than advantages such as length, and replaces conventional bulb gradually, and is applied to widely on the various lighting devices.
The LED that is applied to street lamp in the prior art is covered with the LED lens in its emission side, emitted light can be injected the LED lens and produce the skew refraction when making LED luminous, and the light of this skew refraction is when penetrating the LED lens surface, can further produce the skew refraction, the ray cast of adjusting LED by this and being launched is in specific direction.
Yet, when street lamp is when being arranged at the both sides of contact road, the LED lens of prior art can provide skew refraction effect that LED light produces can't be effectively with the light cover on road, its light shines in the below of street lamp placement more, cause the illuminating effect of road not good enough, so remain to be improved.
The utility model content
Because the shortcoming of aforementioned prior art, creation purpose of the present utility model is that the asymmetric LED lens that provide a kind of street lamp to use are provided, by designing the lens with unsymmetric structure, can project the field of illumination of skew so that LED to be provided.
For reaching aforesaid utility model purpose, the asymmetric LED lens that the designed street lamp of the utility model is used, it is to have a lens body, this lens body is to have a bottom surface and upwards be formed with an exiting surface in its periphery, this bottom surface indent is formed with a die cavity, the inner concave of this die cavity is a plane of incidence, lens body asymmetric in a central longitudinal axis to datum level, and be symmetrical in a central minor axis to datum level;
One plane and the exiting surface that is parallel to the bottom surface and has a maximum area is formed with an end intersecting lens, and it is a mm with respect to this major axis to the distance of datum level to half of datum level that this end intersecting lens is positioned at major axis, is b mm with respect to this minor axis to the distance of datum level, end intersecting lens include in regular turn following each point (a, b): (0.0,7.5), (0.8,7.4), (1.9,7.2), (2.8,6.8), (3.5,6.3), (4.4,5.4), (5.2,2.0), (5.0,0.5) and (5.0,0.0);
It is c mm with respect to this major axis to the distance of datum level to second half of datum level that this end intersecting lens is positioned at major axis, is d mm with respect to this minor axis to the distance of datum level, and end intersecting lens includes the (c of following each point in regular turn, d): (0.0,7.5), (0.7,7.4), (1.6,7.3), (2.3,7.1), (3.1,6.6), (3.8,6.0), (4.4,5.2), (4.8,4.3), (5.1,2.7) and (5.1,0.0);
The bottom surface is positioned at a datum plane, and exiting surface and major axis are e mm to the intersecting lens of datum level with respect to the distance of datum plane, are f mm with respect to minor axis to the distance of datum level, exiting surface and major axis to the intersecting lens of datum level include in regular turn following each point (e, f): (0.0,7.2), (0.8,7.3), (1.7,7.4), (2.5,7.3), (3.4,7.0), (4.4,6.4), (5.4,5.0), (5.9,3.6), (6.1,1.9) and (6.1,0.0);
One is parallel to minor axis is formed with a minor axis to intersecting lens to datum level and plane and exiting surface with maximum area, and it is g mm to half distance with respect to datum plane of datum level that this minor axis is positioned at major axis to intersecting lens, is h mm with respect to major axis to the distance of datum level, minor axis includes the (g of following each point in regular turn to intersecting lens, h): (0.0,4.8), (1.0,5.1), (1.8,5.2), (2.8,5.1), (3.8,4.8), (4.6,4.4), (5.5,3.6) and (6.1,0.0);
It is i mm to second half distance with respect to datum plane of datum level that this minor axis is positioned at major axis to intersecting lens, is j mm with respect to major axis to the distance of datum level, and minor axis includes the (i of following each point in regular turn to intersecting lens, j): (0.0,4.6), (0.8,4.9), (1.9,4.9), (3.0,4.2), (3.6,4.2), (4.7,3.2), (5.4,2.1), (5.8,1.2) and (6.1,0.0), above-mentioned each numerical error scope is ± 0.03 mm.
The asymmetric LED lens that described street lamp is used, wherein this exiting surface is to have different curvature with this plane of incidence.
The asymmetric LED lens that street lamp provided by the utility model is used, advantage that can obtain and effect enhancement comprise at least: the light that the LED illuminator is launched is to see through lens body generation of the present utility model refraction effect is arranged, the field of illumination that its light projected is to concentrate the side of deflection central longitudinal axis to datum level, when being applied in the street lamp of road both sides, can really light be shone on road, and provide uniform brightness, make the energy obtain preferable utilization.
Description of drawings
Fig. 1 is a stereo appearance figure of the present utility model.
Fig. 2 is a top view of the present utility model.
Fig. 3 is a sectional side view of the present utility model.
Fig. 4 is an orthogonal view of the present utility model.
Fig. 5 is the use schematic diagram of facing of the present utility model.
Fig. 6 is that another angle of the present utility model is used schematic diagram.
Fig. 7 is the equiluminous distribution map that is arranged at LED of the present utility model.
Fig. 8 is the distribution curve flux figure that is arranged at LED of the present utility model.
Fig. 9 is that another embodiment of the present utility model uses schematic diagram.
Figure 10 is that another embodiment of the present utility model uses schematic diagram.
[primary clustering symbol description]
10/10A/10B--lens body 11--bottom surface
The 111--die cavity 112--plane of incidence
12/12A/12B--exiting surface 113--installing department
Intersecting lens 14--minor axis is to intersecting lens at the bottom of the 13--
20--LED illuminator X--major axis is to datum level
The Y--minor axis is to datum level Z--datum plane
The specific embodiment
See also shown in Figure 1, the asymmetric LED lens that street lamp of the present utility model is used, it is to have a lens body 10, this lens body 10 is to be microscler, it has a bottom surface 11 and upwards is formed with an exiting surface 12 in its periphery, these bottom surface 11 indents are formed with a die cavity 111, and this die cavity 111 is that the inner concave with an installing department 113 and this installing department 113 is formed with a plane of incidence 112, and this exiting surface 12 is to have different curvature with this plane of incidence 112;
See also shown in Figure 2, lens body 10 asymmetric in a central longitudinal axis to datum level X, and be symmetrical in a central minor axis to datum level Y, one plane and the exiting surface 12 that is parallel to bottom surface 11 and has a maximum area is formed with an end intersecting lens 13, it is a mm with respect to this major axis to the distance of datum level X to half of datum level X that this end intersecting lens 13 is positioned at major axis, it is b mm with respect to this minor axis to the distance of datum level Y to half of datum level X that this end intersecting lens 13 is positioned at major axis, end intersecting lens 13 includes the (a of following each point in regular turn, b): (0.0,7.5), (0.8,7.4), (1.9,7.2), (2.8,6.8), (3.5,6.3), (4.4,5.4), (5.2,2.0), (5.0,0.5) and (5.0,0.0), the numerical error scope is ± 0.03 mm;
It is c mm with respect to this major axis to the distance of datum level X to second half of datum level X that this end intersecting lens 13 is positioned at major axis, it is d mm with respect to this minor axis to the distance of datum level Y to second half of datum level X that end intersecting lens 13 is positioned at major axis, end intersecting lens 13 includes the (c of following each point in regular turn, d): (0.0,7.5), (0.7,7.4), (1.6,7.3), (2.3,7.1), (3.1,6.6), (3.8,6.0), (4.4,5.2), (4.8,4.3), (5.1,2.7) and (5.1,0.0), the numerical error scope is ± 0.03 mm;
See also shown in Figure 3, bottom surface 11 is positioned at a datum plane Z, exiting surface 12 and major axis are e mm to the intersecting lens of datum level X with respect to the distance of datum plane Z, exiting surface 12 is f mm with respect to minor axis to the distance of datum level Y to the intersecting lens of datum level X with major axis, exiting surface 12 and major axis to the intersecting lens of datum level X include in regular turn following each point (e, f): (0.0,7.2), (0.8,7.3), (1.7,7.4), (2.5,7.3), (3.4,7.0), (4.4,6.4), (5.4,5.0), (5.9,3.6), (6.1,1.9) and (6.1,0.0), the numerical error scope is ± 0.03mm;
See also shown in Figure 4, one is parallel to minor axis is formed with a minor axis to intersecting lens 14 to datum level Y and plane and exiting surface 12 with maximum area, it is g mm to half distance with respect to datum plane Z of datum level X that this minor axis is positioned at major axis to intersecting lens 14, it is h mm with respect to major axis to the distance of datum level X to half of datum level X that minor axis is positioned at major axis to intersecting lens 14, minor axis includes the (g of following each point in regular turn to intersecting lens 14, h): (0.0,4.8), (1.0,5.1), (1.8,5.2), (2.8,5.1), (3.8,4.8), (4.6,4.4), (5.5,3.6) and (6.1,0.0), the numerical error scope is ± 0.03 mm;
It is imm to second half distance with respect to datum plane Z of datum level X that this minor axis is positioned at major axis to intersecting lens 14, it is j mm with respect to major axis to the distance of datum level X to second half of datum level X that minor axis is positioned at major axis to intersecting lens 14, minor axis includes the (i of following each point in regular turn to intersecting lens 14, j): (0.0,4.7), (0.8,4.9), (1.9,4.9), (3.0,4.6), (3.6,4.2), (4.7,3.2), (5.4,2.1), (5.8,1.2) and (6.1,0.0), the numerical error scope is ± 0.03 mm, and as shown in FIG., this exiting surface 12 is curvature greater than right side at major axis to the curvature in datum level X left side in the position, and produces the effect that has towards the left side polarisation.
See also shown in Fig. 5 and 6, LED illuminator 20 be installed in the die cavity 111 and be positioned at major axis to datum level X and minor axis on datum level Y, it is inner and produce simultaneously the skew refraction effect is arranged that the light that LED illuminator 20 is produced when luminous is injected lens body 10 from the plane of incidence 112, and the light of this skew refraction is when exiting surface 12 penetrates, also further produce the skew refraction, can reach the control ray cast by this in the purpose of specific region.
See also shown in Figure 7, for LED illuminator 20 sees through the equiluminous distribution map that lens body 10 of the present utility model is projected, the unit of the coordinate of the X-axis of expression and Z axle all is a millimeter (millimeters) on the figure, the left side is the illumination scale, its unit is lux (lux), coordinate (0,0) is LED illuminator 20 placements, its field of illumination that projects is slightly rectangular, this rectangle is that deflection is positioned at coordinate (0,0) top one side, the long side direction of rectangle are that symmetry extends coordinate (0,0) and arranged on left and right sides; Please cooperate consult shown in Figure 8, radial coordinate peripheral on the figure is an angle, unit for the degree (°), axial coordinate is light intensity (luminous intensity), unit is candle light (cd), and the first curve La is the luminous intensity distribution of the field of illumination long side direction of Fig. 7, and the second curve Lb is the luminous intensity distribution of the field of illumination short side direction of Fig. 7, by Fig. 7 and shown in Figure 8, the utility model provides illumination evenly and the distribution of light of polarisation.
When the utility model uses street lamp in the road both sides in reality, after the light that LED illuminator 20 is sent sees through lens body 10 generation refractions, formed field of illumination can expose on the road really, and uniform illumination is provided, and then allow the user under this irradiation environment can have comparatively comfortable visual effect.
See also shown in Figure 9ly, be another embodiment of the utility model, wherein the exiting surface 12A of this lens body 10A is curvature greater than left side at major axis to the curvature on datum level X right side in the position, and produces the effect that has towards the right side polarisation; See also shown in Figure 10, be another embodiment of the present utility model, wherein the exiting surface 12B of this lens body 10B is curvature greater than right side at major axis to the curvature in datum level X left side in the position, and because the difference in change of its curvature apart from less, has the less effect towards the left side polarisation of deviation angle and produce.

Claims (2)

1. asymmetric LED lens that street lamp is used, it is characterized in that, it is to have a lens body, this lens body is to have a bottom surface and upwards be formed with an exiting surface in its periphery, this bottom surface indent is formed with a die cavity, the inner concave of this die cavity is a plane of incidence, lens body asymmetric in a central longitudinal axis to datum level, and be symmetrical in a central minor axis to datum level;
One plane and the exiting surface that is parallel to the bottom surface and has a maximum area is formed with an end intersecting lens, and it is a mm with respect to this major axis to the distance of datum level to half of datum level that this end intersecting lens is positioned at major axis, is b mm with respect to this minor axis to the distance of datum level, end intersecting lens include in regular turn following each point (a, b): (0.0,7.5), (0.8,7.4), (1.9,7.2), (2.8,6.8), (3.5,6.3), (4.4,5.4), (5.2,2.0), (5.0,0.5) and (5.0,0.0);
It is cmm with respect to this major axis to the distance of datum level to second half of datum level that this end intersecting lens is positioned at major axis, is d mm with respect to this minor axis to the distance of datum level, and end intersecting lens includes the (c of following each point in regular turn, d): (0.0,7.5), (0.7,7.4), (1.6,7.3), (2.3,7.1), (3.1,6.6), (3.8,6.0), (4.4,5.2), (4.8,4.3), (5.1,2.7) and (5.1,0.0);
The bottom surface is positioned at a datum plane, and exiting surface and major axis are e mm to the intersecting lens of datum level with respect to the distance of datum plane, are f mm with respect to minor axis to the distance of datum level, exiting surface and major axis to the intersecting lens of datum level include in regular turn following each point (e, f): (0.0,7.2), (0.8,7.3), (1.7,7.4), (2.5,7.3), (3.4,7.0), (4.4,6.4), (5.4,5.0), (5.9,3.6), (6.1,1.9) and (6.1,0.0);
One is parallel to minor axis is formed with a minor axis to intersecting lens to datum level and plane and exiting surface with maximum area, and it is g mm to half distance with respect to datum plane of datum level that this minor axis is positioned at major axis to intersecting lens, is h mm with respect to major axis to the distance of datum level, minor axis includes the (g of following each point in regular turn to intersecting lens, h): (0.0,4.8), (1.0,5.1), (1.8,5.2), (2.8,5.1), (3.8,4.8), (4.6,4.4), (5.5,3.6) and (6.1,0.0);
It is i mm to second half distance with respect to datum plane of datum level that this minor axis is positioned at major axis to intersecting lens, is j mm with respect to major axis to the distance of datum level, and minor axis includes the (i of following each point in regular turn to intersecting lens, j): (0.0,4.6), (0.8,4.9), (1.9,4.9), (3.0,4.2), (3.6,4.2), (4.7,3.2), (5.4,2.1), (5.8,1.2) and (6.1,0.0), above-mentioned each numerical error scope is ± 0.03mm.
2. the asymmetric LED lens that street lamp as claimed in claim 1 is used is characterized in that, wherein this exiting surface is to have different curvature with this plane of incidence.
CN2010200019344U 2010-01-12 2010-01-12 Asymmetrical LED lens for street lamp Expired - Fee Related CN201593753U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010200019344U CN201593753U (en) 2010-01-12 2010-01-12 Asymmetrical LED lens for street lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010200019344U CN201593753U (en) 2010-01-12 2010-01-12 Asymmetrical LED lens for street lamp

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102022691A (en) * 2010-11-18 2011-04-20 北京星光影视设备科技股份有限公司 Light-emitting diode (LED) light distribution device for unsymmetrical light field
CN102588878A (en) * 2012-01-12 2012-07-18 新视野光电(郑州)有限公司 Transparent lampshade and lens module of high-power LED streetlamp
CN103375769A (en) * 2012-12-25 2013-10-30 深圳市斯派克光电科技有限公司 Polarized lens unit and lens module for LED streetlights
CN104534405A (en) * 2014-12-31 2015-04-22 东莞市汉龙礼品有限公司 LED lens
WO2015058355A1 (en) * 2013-10-22 2015-04-30 东莞华明灯具有限公司 Implementation method for led luminaire of asymmetrical light distribution
EP2834556A4 (en) * 2012-04-06 2015-12-23 Cree Inc Multi-lens led-array optic system
CN105805696A (en) * 2014-12-30 2016-07-27 全亿大科技(佛山)有限公司 Lens, illuminating device provided with lens, and light guiding cover
US9689552B2 (en) 2009-05-29 2017-06-27 Cree, Inc. Multi-lens LED-array optic system

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9689552B2 (en) 2009-05-29 2017-06-27 Cree, Inc. Multi-lens LED-array optic system
CN102022691A (en) * 2010-11-18 2011-04-20 北京星光影视设备科技股份有限公司 Light-emitting diode (LED) light distribution device for unsymmetrical light field
CN102022691B (en) * 2010-11-18 2012-08-29 北京星光影视设备科技股份有限公司 Light-emitting diode (LED) light distribution device for unsymmetrical light field
CN102588878A (en) * 2012-01-12 2012-07-18 新视野光电(郑州)有限公司 Transparent lampshade and lens module of high-power LED streetlamp
EP2834556A4 (en) * 2012-04-06 2015-12-23 Cree Inc Multi-lens led-array optic system
CN103375769A (en) * 2012-12-25 2013-10-30 深圳市斯派克光电科技有限公司 Polarized lens unit and lens module for LED streetlights
WO2015058355A1 (en) * 2013-10-22 2015-04-30 东莞华明灯具有限公司 Implementation method for led luminaire of asymmetrical light distribution
CN105805696A (en) * 2014-12-30 2016-07-27 全亿大科技(佛山)有限公司 Lens, illuminating device provided with lens, and light guiding cover
CN104534405A (en) * 2014-12-31 2015-04-22 东莞市汉龙礼品有限公司 LED lens
CN104534405B (en) * 2014-12-31 2017-07-21 东莞市汉龙礼品有限公司 A kind of LED lens

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COR Change of bibliographic data

Free format text: CORRECT: ADDRESS; FROM: ZHONGHE DISTRICT, TAIPEI COUNTY, TAIWAN, CHINA TO: 523000 BUILDING B13, AREA 1, XICHENG INDUSTRIAL AREA, HENGLI TOWN, DONGGUAN CITY, GUANGDONG PROVINCE

C41 Transfer of patent application or patent right or utility model
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Effective date of registration: 20110201

Address after: 523000 Guangdong province Dongguan City Hengli Town Xicheng Industrial District building B13

Patentee after: Dongguan Ledlink Optics, Inc.

Address before: Zhonghe County, Taipei, Taiwan, China

Patentee before: LEDLINK OPTICS (YANG ZHOU) CO.,LTD.

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Free format text: FORMER OWNER: LEDLINK OPTICS CO., LTD.

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Address after: Hengli Town Tian Keng Industrial Zone 523478 in Guangdong city of Dongguan province No. 5

Patentee after: Dongguan Ledlink Optics, Inc.

Address before: 523000 Guangdong province Dongguan City Hengli Town Xicheng Industrial District building B13

Patentee before: Dongguan Ledlink Optics, Inc.

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Granted publication date: 20100929

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