CN102980090A - Light-emitting diode (LED) street lamp - Google Patents
Light-emitting diode (LED) street lamp Download PDFInfo
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- CN102980090A CN102980090A CN2011102645182A CN201110264518A CN102980090A CN 102980090 A CN102980090 A CN 102980090A CN 2011102645182 A CN2011102645182 A CN 2011102645182A CN 201110264518 A CN201110264518 A CN 201110264518A CN 102980090 A CN102980090 A CN 102980090A
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- silica
- gel lens
- chip
- light
- 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
Abstract
The invention relates to the field of lighting fitting and provides a light-emitting diode (LED) street lamp. The LED street lamp comprises a chip, fluorescent powder, a support, an aluminum substrate and a silicone lens. A heat radiating unit is made from silver with the heat conductivity coefficient of 429W/mK. The light transmittance of the silicone lens is at least 95%. An inner groove is formed in the middle of the silicone lens. The chip is placed in the inner groove, and the chip, the fluorescent powder and the silicone lens are tightly attached without gaps. The silicone lens overally controls the light emitted from the chip and shinning to the transverse direction of a street. The inner groove of the silicone lens and the arc shaped side wall in front of the silicone lens control the light emitted from the chip and shining to the longitudinal direction of the street. The LED street lamp has the advantages of being novel in structure, low in production cost, high in light use ratio, not prone to producing haloes in emitted light, and good in effect of heat dissipation.
Description
Technical field
The present invention relates to field of illuminating lamps, relate in particular to a kind of LED street lamp for road lighting.
Background technology
The LED street lamp is compared with traditional street lamp, has the advantage that the life-span is long, light efficiency is high, color uniformity is good.The LED street lamp that uses at present all needs to carry out secondary light-distribution, its luminous intensity distribution of LED street lamp that does not carry out secondary light-distribution normally in a certain zone or one party to too concentrated, can not reach the requirement of road lighting.Not carry out the irradiation scope schematic diagram that the LED street lamp of secondary light-distribution sends as shown in Figure 1, A among the figure is road, B is the range of exposures of LED street lamp, C is the position of LED street lamp correspondence on road, the light that sends is light spheroidal, and some meeting light is outside road, and light is also stretched along vertical expansion of road direction, the light that this kind luminous intensity distribution sends does not meet the requirement of road lighting, and the uniformity is about 0.3.The LED secondary light distribution of streetlamp is exactly to use some lens or reflection shield that the light intensity that LED sends is reflected again, to reach the requirement of road lighting, the deficiency of its existence is that the utilization rate of light is low, to carry out the irradiation scope schematic diagram that the LED street lamp of secondary light-distribution sends as shown in Figure 2, A among the figure is road, B is the range of exposures of LED street lamp, C is the position of LED street lamp correspondence on road, luminous intensity distribution is better than luminous intensity distribution circular among Fig. 1, but owing to light is not limited at the road horizontal direction, with the enforceable one side diffusion toward road of light, the light that causes sending does not have a large portion to be wasted, and this kind luminous intensity distribution uniformity is about 0.5.Simultaneously, all need to exist certain spacing between existing led light source and lens or the reflection shield, therefore have the problem of mismatch error, the light that the LED street lamp sends produces halation easily, causes " yellow circle " problem.In addition, the led light source that existing LED street lamp uses generally all is that the method system of high-power chip or integration packaging is looked for, when work, can produce high temperature, therefore strict especially for the heat radiation requirement of LED street lamp, the poor problem of existing LED street lamp ubiquity radiating effect.
Summary of the invention
The objective of the invention is to have above-mentioned deficiency in order to overcome existing LED street lamp, a kind of novel structure is provided, the utilization rate of light is high, and the light that sends can not produce halation, the LED bulb of good heat dissipation effect.
In order to realize the foregoing invention purpose, the present invention has adopted following technical scheme:
A kind of LED street lamp, comprise chip, fluorescent material, support, aluminium base and silica-gel lens, chip is rack-mount, fluorescent material is coated on the chip, also comprise radiating piece, support connects aluminium base by radiating piece, and described radiating piece is to be that the silvery of 429W/mK forms by thermal conductivity factor, and the heat radiation through hole is set on the support; The light transmittance of described silica-gel lens is at least 95%, and the place arranges inner groovy in the middle of the silica-gel lens, chip is in the inner groovy and chip, fluorescent material and silica-gel lens between seamless fitting tightly; Silica-gel lens is along longitudinal center's left-right symmetry of inner groovy, the long 7.0-8.0mm of silica-gel lens, wide 4.0-4.5mm, high 3.0-3.5mm, the sidewall in silica-gel lens the place ahead is the arc of outward opening, and the camber line angle is the 92-97 degree, the silica-gel lens bottom is the spherical crown of two symmetrical downward protrusions, the tie point of two spherical crowns and inner groovy longitudinally center are on the same straight line, and the diameter of spherical crown is 2.1-2.5mm, and the height of spherical crown is 0.8-1.2mm; Indent flute length 2.0-2.5mm, wide 3.7-4.2mm, high 0.8-1.2mm, the sidewall in inner groovy the place ahead are the inside arc of opening, and the camber line angle is the 35-45 degree; The light of the directive road horizontal direction that the whole control chip of silica-gel lens sends, the light of the directive road longitudinal direction that the curved wall control chip in the inner groovy of silica-gel lens and silica-gel lens the place ahead sends.
As preferably, described heat radiation through hole is a plurality of, and the heat that chip produces when work can produce cross-ventilation by the heat radiation through hole during through support, and temperature can significantly reduce, and the heat radiation number of openings is more, and radiating effect is better.
As preferably, the long 7.6mm of described silica-gel lens, wide 4.2mm, high 3.3mm, the sidewall camber line angle in silica-gel lens the place ahead is 95 degree, and the diameter of spherical crown is 2.31mm, and the height of spherical crown is 1mm; Indent flute length 2.25mm, wide 3.9mm, high 1.04mm, the sidewall camber line angle in inner groovy the place ahead is 39 degree.The light that chip sends is processed through above-mentioned silica-gel lens refraction, and light intensity laterally expands along road direction stretches, vertically eccentric, road uniform Du Keda 0.71, and result of use is best.
A kind of LED street lamp by the technique scheme design has following advantage; (1) used thermal conductivity factor to make the radiating piece that forms as the silvery of 429W/mK, heat-conducting effect is better, at support the heat radiation through hole is set, the temperature that chip produced in when work can produce cross-ventilation by the heat radiation through hole during through support, and temperature significantly reduces, so chip is when work, the temperature that produces can be directly emitted, and do not need it is carried out more radiating treatment, not only radiating rate is fast, and production cost is low; (2) adopted the silica-gel lens of above-mentioned special size structure, directly silica-gel lens has been carried out the refraction processing of light, need not add other lens or reflection shield and carry out secondary light-distribution, not only reduce production cost, and the light loss that can not produce because of secondary light-distribution, improved the utilization rate of light, and the light that sends meets the requirement of road lighting fully, light intensity laterally expands along road direction stretches, and vertically eccentric, the road uniform degree is more than 0.6; (3) chip be in the inner groovy and chip, fluorescent material and silica-gel lens between seamless fitting tightly, lens or the halation problem because existing distance or slit to produce between the used lens of secondary light-distribution or reflection shield and the chip have been solved, the light that sends is more even, do not have halation, can not produce the phenomenon of " yellow circle " yet.In sum, a kind of LED street lamp of the present invention has novel structure, and production cost is low, and the utilization rate of light is high, and the light that sends can not produce halation, the advantage of good heat dissipation effect.
Description of drawings
Fig. 1: do not carry out the irradiation scope schematic diagram that the LED street lamp of secondary light-distribution sends in the background technology.
Fig. 2: carry out the irradiation scope schematic diagram that the LED street lamp of secondary light-distribution sends in the background technology.
Fig. 3: structural representation of the present invention.
Fig. 4: the amplification plan view of silica-gel lens of the present invention.
Fig. 5: the light intensity schematic diagram of LED street lamp of the present invention.
Fig. 6: the irradiation scope schematic diagram that the LED street lamp of invention sends.
The specific embodiment
Be described further below in conjunction with Fig. 3, Fig. 4, Fig. 5 and Fig. 6 the present invention.
A kind of LED street lamp as shown in Figure 3 and Figure 4, comprise that chip 5, radiating piece 7, fluorescent material 6, support 2, aluminium base 3 and silica-gel lens 1 consist of, chip 5 is installed on the support 2, fluorescent material 6 is coated on the chip 5, support 2 connects aluminium base 3 by radiating piece 7, the heat that produces during chip 5 work is transmitted to aluminium base 3 by radiating piece 7, directly contacts with the lamp housing housing by aluminium base 3, goes so that the heat that chip 5 produces when work all is dispersed in the air.Radiating piece 7 is to be that the silvery of 429W/mK forms by thermal conductivity factor, a plurality of heat radiation through holes 4 are set on the support, and the heat that chip 5 produced in when work can produce cross-ventilations by heat radiation through hole 4 during through support 2, and temperature can significantly reduce, heat radiation through hole 4 quantity are more, and radiating effect is better.
The light transmittance of silica-gel lens 1 is at least 95%, and is more high better, and the place arranges inner groovy 12 in the middle of the silica-gel lens 1, chip 5 is in the inner groovy 12 and chip 5, fluorescent material 6 and silica-gel lens 1 between seamless fitting tightly.Silica-gel lens 1 is along longitudinal center's left-right symmetry of inner groovy 12, silica-gel lens 1 long 7.0-8.0mm, wide 4.0-4.5mm, high 3.0-3.5mm, the sidewall 13 in silica-gel lens 1 the place ahead is the arc of outward opening, and the camber line angle is the 92-97 degree, silica-gel lens 1 bottom is the spherical crown 11 of two symmetrical downward protrusions, the tie point of two spherical crowns 11 and inner groovy 12 longitudinally center are on the same straight line, and the diameter of spherical crown 11 is 2.1-2.5mm, and the height of spherical crown 11 is 0.8-1.2mm; Inner groovy 12 long 2.0-2.5mm, wide 3.7-4.2mm, high 0.8-1.2mm, the sidewall 123 in inner groovy 12 the place aheads is the inside arc of opening, and the camber line angle is the 35-45 degree.
The light of the directive road horizontal direction that silica-gel lens 1 whole control chip 5 sends, namely the light that sends of chip 5 is that its length, width and height expand light and stretch along the road horizontal direction by silica-gel lens 1 integral body.The light of the directive road longitudinal direction that curved wall 13 control chips 5 in the inner groovy 12 of silica-gel lens 1 and silica-gel lens 1 the place ahead send, be that the light that chip 5 sends passes through the curved wall 13 in inner groovy 12 and silica-gel lens 1 the place ahead with one side irradiation of the enforceable past road longitudinal direction of light, wherein the curved wall 123 in the curved wall 13 in silica-gel lens 1 the place ahead and inner groovy 12 the place aheads plays main effect when the enforceable one side toward the road longitudinal direction of light is shone.
The session road uniformity that the LED street lamp of the silica-gel lens 1 of employing said structure size range sends is between 0.6-0.71, the session road uniformity that wherein adopts the LED street lamp of the silica-gel lens 1 of following size to send can reach 0.71, best results, silica-gel lens 1 long 7.6mm specifically, wide 4.2mm, high 3.3mm, the sidewall 13 camber line angles in silica-gel lens 1 the place ahead are 95 degree, the diameter of spherical crown 11 is 2.31mm, and the height of spherical crown 11 is 1mm; Inner groovy 12 long 2.25mm, wide 3.9mm, high 1.04mm, the sidewall 123 camber line angles in inner groovy 12 the place aheads are 39 degree.As shown in Figure 5, be the light intensity schematic diagram of the LED street lamp of the silica-gel lens 1 that adopts above-mentioned size.As shown in Figure 6, the irradiation scope schematic diagram that sends for the LED street lamp of the silica-gel lens 1 that adopts above-mentioned size, A among the figure is road, B is the range of exposures of LED street lamp, and C is the position of LED street lamp correspondence on road, and the luminous energy that the LED street lamp sends directly applies to the road lighting requirement, and do not need to carry out secondary light-distribution, the light light distribution of sending presents along the road laterally to expand and stretches and the both sides symmetry, and vertically off-centre is bat wing, and especially middle place's brightness of light intensity is the highest.
Claims (3)
1. LED street lamp, comprise chip, fluorescent material, support, aluminium base and silica-gel lens, chip is rack-mount, fluorescent material is coated on the chip, characterized by further comprising radiating piece, support connects aluminium base by radiating piece, and described radiating piece is to be that the silvery of 429W/mK forms by thermal conductivity factor, and the heat radiation through hole is set on the support; The light transmittance of described silica-gel lens is at least 95%, and the place arranges inner groovy in the middle of the silica-gel lens, chip is in the inner groovy and chip, fluorescent material and silica-gel lens between seamless fitting tightly; Silica-gel lens is along longitudinal center's left-right symmetry of inner groovy, the long 7.0-8.0mm of silica-gel lens, wide 4.0-4.5mm, high 3.0-3.5mm, the sidewall in silica-gel lens the place ahead is the arc of outward opening, and the camber line angle is the 92-97 degree, the silica-gel lens bottom is the spherical crown of two symmetrical downward protrusions, the tie point of two spherical crowns and inner groovy longitudinally center are on the same straight line, and the diameter of spherical crown is 2.1-2.5mm, and the height of spherical crown is 0.8-1.2mm; Indent flute length 2.0-2.5mm, wide 3.7-4.2mm, high 0.8-1.2mm, the sidewall in inner groovy the place ahead are the inside arc of opening, and the camber line angle is the 35-45 degree; The light of the directive road horizontal direction that the whole control chip of silica-gel lens sends, the light of the directive road longitudinal direction that the curved wall control chip in the inner groovy of silica-gel lens and silica-gel lens the place ahead sends.
2. a kind of LED street lamp according to claim 1 is characterized in that described heat radiation through hole is a plurality of.
3. a kind of LED street lamp according to claim 1 and 2 is characterized in that the long 7.6mm of described silica-gel lens, wide 4.2mm, and high 3.3mm, the sidewall camber line angle in silica-gel lens the place ahead is 95 degree, and the diameter of spherical crown is 2.31mm, and the height of spherical crown is 1mm; Indent flute length 2.25mm, wide 3.9mm, high 1.04mm, the sidewall camber line angle in inner groovy the place ahead is 39 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110264518.2A CN102980090B (en) | 2011-09-07 | 2011-09-07 | Light-emitting diode (LED) street lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110264518.2A CN102980090B (en) | 2011-09-07 | 2011-09-07 | Light-emitting diode (LED) street lamp |
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| Publication Number | Publication Date |
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| CN102980090A true CN102980090A (en) | 2013-03-20 |
| CN102980090B CN102980090B (en) | 2015-04-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110264518.2A Expired - Fee Related CN102980090B (en) | 2011-09-07 | 2011-09-07 | Light-emitting diode (LED) street lamp |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104033842A (en) * | 2014-06-30 | 2014-09-10 | 长城汽车股份有限公司 | Car lamp lens component and car with same |
| CN104953017A (en) * | 2015-05-05 | 2015-09-30 | 李振琦 | Integrated LED (light emitting diode) packaging piece based on inverted powder coating strap secondary light distribution reinforcement and production technology |
| CN105257994A (en) * | 2015-11-16 | 2016-01-20 | 江西华柏节能照明科技协同创新有限公司 | Method for improving luminous efficacy of optical engine |
| CN106850885A (en) * | 2017-01-18 | 2017-06-13 | 维沃移动通信有限公司 | A kind of flash lamp design and mobile terminal |
| CN108281536A (en) * | 2017-12-27 | 2018-07-13 | 张红 | A kind of astigmatism type paster LED lamp bead |
| CN108591854A (en) * | 2018-06-14 | 2018-09-28 | 李鹤荣 | A kind of light-source structure that light extraction is wide |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101604688A (en) * | 2009-06-30 | 2009-12-16 | 王海军 | A kind of high-power LED oscillation package structure |
| CN201527988U (en) * | 2009-02-13 | 2010-07-14 | 广东昭信光电科技有限公司 | Encapsulation structure applied on a guide type light-emitting diode device |
| CN101900266A (en) * | 2009-05-19 | 2010-12-01 | 厦门华联电子有限公司 | LED and LED street lamp |
| JP2011040315A (en) * | 2009-08-14 | 2011-02-24 | Cybernet Systems Co Ltd | Led lighting module for irradiating rectangular region |
| US20110164426A1 (en) * | 2010-01-07 | 2011-07-07 | Osram Sylvania Inc. | Free-Form Lens Design to Apodize Illuminance Distribution |
-
2011
- 2011-09-07 CN CN201110264518.2A patent/CN102980090B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201527988U (en) * | 2009-02-13 | 2010-07-14 | 广东昭信光电科技有限公司 | Encapsulation structure applied on a guide type light-emitting diode device |
| CN101900266A (en) * | 2009-05-19 | 2010-12-01 | 厦门华联电子有限公司 | LED and LED street lamp |
| CN101604688A (en) * | 2009-06-30 | 2009-12-16 | 王海军 | A kind of high-power LED oscillation package structure |
| JP2011040315A (en) * | 2009-08-14 | 2011-02-24 | Cybernet Systems Co Ltd | Led lighting module for irradiating rectangular region |
| US20110164426A1 (en) * | 2010-01-07 | 2011-07-07 | Osram Sylvania Inc. | Free-Form Lens Design to Apodize Illuminance Distribution |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104033842A (en) * | 2014-06-30 | 2014-09-10 | 长城汽车股份有限公司 | Car lamp lens component and car with same |
| CN104033842B (en) * | 2014-06-30 | 2017-12-15 | 长城汽车股份有限公司 | Lens of car light component and there is its automobile |
| CN104953017A (en) * | 2015-05-05 | 2015-09-30 | 李振琦 | Integrated LED (light emitting diode) packaging piece based on inverted powder coating strap secondary light distribution reinforcement and production technology |
| CN104953017B (en) * | 2015-05-05 | 2018-05-22 | 广州普希思智能科技有限公司 | Integral LED encapsulation piece and production technology are reinforced based on dusting band secondary light-distribution is inverted |
| CN105257994A (en) * | 2015-11-16 | 2016-01-20 | 江西华柏节能照明科技协同创新有限公司 | Method for improving luminous efficacy of optical engine |
| CN106850885A (en) * | 2017-01-18 | 2017-06-13 | 维沃移动通信有限公司 | A kind of flash lamp design and mobile terminal |
| CN106850885B (en) * | 2017-01-18 | 2018-11-30 | 维沃移动通信有限公司 | A kind of flash lamp design and mobile terminal |
| CN108281536A (en) * | 2017-12-27 | 2018-07-13 | 张红 | A kind of astigmatism type paster LED lamp bead |
| CN108591854A (en) * | 2018-06-14 | 2018-09-28 | 李鹤荣 | A kind of light-source structure that light extraction is wide |
| WO2019237418A1 (en) * | 2018-06-14 | 2019-12-19 | 李鹤荣 | Light source structure having large light emergent surface |
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| CN102980090B (en) | 2015-04-08 |
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Granted publication date: 20150408 Termination date: 20200907 |