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EP2149743A1 - Unité d'Illumination à LED à haute prestation - Google Patents

Unité d'Illumination à LED à haute prestation Download PDF

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Publication number
EP2149743A1
EP2149743A1 EP08161584A EP08161584A EP2149743A1 EP 2149743 A1 EP2149743 A1 EP 2149743A1 EP 08161584 A EP08161584 A EP 08161584A EP 08161584 A EP08161584 A EP 08161584A EP 2149743 A1 EP2149743 A1 EP 2149743A1
Authority
EP
European Patent Office
Prior art keywords
point
led
leds
lighting
lighting unit
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.)
Withdrawn
Application number
EP08161584A
Other languages
German (de)
English (en)
Inventor
Roberto Bellu
Fabio Brucchi
Massimiliano Bellu
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to EP08161584A priority Critical patent/EP2149743A1/fr
Publication of EP2149743A1 publication Critical patent/EP2149743A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • F21S8/08—Lighting devices intended for fixed installation with a standard
    • F21S8/085—Lighting devices intended for fixed installation with a standard of high-built type, e.g. street light
    • F21S8/086—Lighting devices intended for fixed installation with a standard of high-built type, e.g. street light with lighting device attached sideways of the standard, e.g. for roads and highways
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/20—Light sources comprising attachment means
    • F21K9/23—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/60—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
    • F21K9/65—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction specially adapted for changing the characteristics or the distribution of the light, e.g. by adjustment of parts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/502—Cooling arrangements characterised by the adaptation for cooling of specific components
    • F21V29/507—Cooling arrangements characterised by the adaptation for cooling of specific components of means for protecting lighting devices from damage, e.g. housings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/60—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air
    • F21V29/67—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air characterised by the arrangement of fans
    • F21V29/677—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air characterised by the arrangement of fans the fans being used for discharging
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
    • F21V29/76—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section
    • F21V29/763—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section the planes containing the fins or blades having the direction of the light emitting axis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V13/00—Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
    • F21V13/02—Combinations of only two kinds of elements
    • F21V13/04—Combinations of only two kinds of elements the elements being reflectors and refractors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/10—Pendants, arms, or standards; Fixing lighting devices to pendants, arms, or standards
    • F21V21/116—Fixing lighting devices to arms or standards
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/51—Cooling arrangements using condensation or evaporation of a fluid, e.g. heat pipes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/54—Cooling arrangements using thermoelectric means, e.g. Peltier elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/60—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air
    • F21V29/67—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air characterised by the arrangement of fans
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00—Reflectors for light sources
    • F21V7/0083—Array of reflectors for a cluster of light sources, e.g. arrangement of multiple light sources in one plane
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/10—Outdoor lighting
    • F21W2131/103—Outdoor lighting of streets or roads
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING 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
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

Definitions

  • the present invention relates to a Lighting Unit with high brightness power LEDs (Light Emitting Diode), for general illumination of outdoor and indoor areas.
  • the present invention relates to roadway and wide area lighting.
  • the present invention relates to lighting devices for general illumination.
  • present invention concerns replacement of conventional lamps with innovative ones based on a cluster with a certain number of opto semiconductors (LED - Light Emitting Diode) with high luminous flux. Exact number of LEDs depends on total luminous flux required by the application and depends on LED type.
  • the present invention proposes the replacement of a conventional lighting device (luminaire) with one containing a LED Lighting Unit, with better lighting performances, therefore energy saving, and reduced dimensions.
  • High Efficiency LED Lighting Unit includes the following sub components:
  • the High Efficiency Lighting Unit based on solid state lighting technology can replace conventional lighting sources (incandescent, halogen, fluorescent, high intensity discharge, high pressure etc.).
  • the overall efficiency of lighting devices is the major factor in light source evaluation. Overall efficiency is strongly influenced by the optic design, in particular the portion of all generated light which is useful for a given application.
  • the optic design in particular the portion of all generated light which is useful for a given application.
  • the light intensity has to be balanced in order to have luminance and illuminance uniformity over the flat roadway surface.
  • Application of LED clusters allows to have a light intensity divided on several punctual sources.
  • Such intrinsic feature, associated with primary optic designed with dedicated reflector and lens per each single LED helps to trace an optimized photometric solid of the lamp, based on specific requirements (uniformity, low disability glare, less lighting pollution etc.).
  • the optic system designed according to Non-imaging optics (NIO) principles, optimizes the light radiation from the source to the target.
  • NEO Non-imaging optics
  • the thermal system concerns a substrate which grants electrical connection of live parts, electrical insulation between heatsink and live components, and , on the other hand, achieves the necessary dissipation of the heat generated by normal working of LEDs and electronic components.
  • the LEDs should also be mounted on specific heat spreaders made by high thermal conductivity material, which improves the thermal efficiency of the system. Additionally, a high efficiency heatsink allows to decrease the temperature thanks to natural (free) convection or forced air ventilation. In the luminaire installation the lighting device main body provides itself to the necessary heat transfer with the ambient air.
  • High power LEDs require to be driven with the right current/voltage.
  • a proper high efficiency power supply exploits the same thermal system described before to reach this target, with electronic components mounted onto a proper substrate.
  • a mechanic disjunction system is required for the lamp installation of the LED Lighting Unit (so called retro-fit lamp), in order to reach the right orientation of the luminous flux to the surface to be illuminated.
  • tubular element 51 On structural point of view the tubular element 51 is fixed on the lamp body 3, and, simultaneously, it engages the toothed wheel 53 fixed on the base 4.
  • toothed wheel 53 fixed on the base 4.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
EP08161584A 2008-07-31 2008-07-31 Unité d'Illumination à LED à haute prestation Withdrawn EP2149743A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP08161584A EP2149743A1 (fr) 2008-07-31 2008-07-31 Unité d'Illumination à LED à haute prestation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP08161584A EP2149743A1 (fr) 2008-07-31 2008-07-31 Unité d'Illumination à LED à haute prestation

Publications (1)

Publication Number Publication Date
EP2149743A1 true EP2149743A1 (fr) 2010-02-03

Family

ID=40010916

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08161584A Withdrawn EP2149743A1 (fr) 2008-07-31 2008-07-31 Unité d'Illumination à LED à haute prestation

Country Status (1)

Country Link
EP (1) EP2149743A1 (fr)

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2369303A1 (es) * 2011-10-03 2011-11-29 Francisco Javier España Moscoso Bombilla de alta eficacia con dispositivo de control de encendido y apagado y con sensor de luz incorporados.
WO2011156886A1 (fr) * 2010-06-18 2011-12-22 Vialuminary Ltd. Eclairage des rues à del
CN102401249A (zh) * 2010-09-15 2012-04-04 奇鋐科技股份有限公司 Led型灯泡结构
EP2395276A3 (fr) * 2010-06-14 2012-10-24 Bestdisc Technology Corp. Lampe à diodes électroluminescentes à réglage d'angle de faisceau
CN102798057A (zh) * 2012-09-07 2012-11-28 深圳市紫光照明技术有限公司 矿用隔爆型led巷道灯
EP2258979A3 (fr) * 2009-06-03 2013-11-13 Zumtobel Lighting GmbH Lampe à DEL
EP2690346A4 (fr) * 2011-03-21 2015-01-21 Toshiba Lighting & Technology Dispositif d'éclairage
CN104534333A (zh) * 2015-01-04 2015-04-22 深圳市同鑫科技有限公司 可转动、快速更换和防滑滚led灯
WO2015130940A1 (fr) * 2014-02-28 2015-09-03 Cooper Technologies Company Système d'éclairage extérieur
US10064940B2 (en) 2013-12-11 2018-09-04 Siva Therapeutics Inc. Multifunctional radiation delivery apparatus and method
WO2020069756A1 (fr) * 2018-10-05 2020-04-09 HELLA GmbH & Co. KGaA Système d'éclairage modulaire
CN112161203A (zh) * 2020-09-11 2021-01-01 幂光新材料科技（上海）有限公司 一种替换高能耗路灯的led灯泡系统
FI20235970A1 (fi) * 2023-08-31 2025-03-01 I Valo Oy Valaisin

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5416679A (en) * 1993-12-01 1995-05-16 General Signal Corporation Mounting base assembly for a lighting device used in an exit sign
JP2005276467A (ja) * 2004-03-23 2005-10-06 Matsushita Electric Ind Co Ltd 電球形ｌｅｄ光源
EP1760393A1 (fr) * 2005-08-30 2007-03-07 Nuriplan Co., Ltd. Module à LEDs et bande lumineuse à LEDs
US7338186B1 (en) * 2006-08-30 2008-03-04 Chaun-Choung Technology Corp. Assembled structure of large-sized LED lamp
WO2008055422A1 (fr) * 2006-11-10 2008-05-15 Shenzhen Gasun Energy Technology Co., Ltd. Réverbère à diodes électroluminescentes à luminance élevée
WO2008100124A1 (fr) * 2007-02-12 2008-08-21 Laura Patricia Vargas Maciel Lampe à del à haute puissance pour éclairage public
WO2008125772A1 (fr) * 2007-03-08 2008-10-23 Lyracom Dispositif d'eclairage a led

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5416679A (en) * 1993-12-01 1995-05-16 General Signal Corporation Mounting base assembly for a lighting device used in an exit sign
JP2005276467A (ja) * 2004-03-23 2005-10-06 Matsushita Electric Ind Co Ltd 電球形ｌｅｄ光源
EP1760393A1 (fr) * 2005-08-30 2007-03-07 Nuriplan Co., Ltd. Module à LEDs et bande lumineuse à LEDs
US7338186B1 (en) * 2006-08-30 2008-03-04 Chaun-Choung Technology Corp. Assembled structure of large-sized LED lamp
WO2008055422A1 (fr) * 2006-11-10 2008-05-15 Shenzhen Gasun Energy Technology Co., Ltd. Réverbère à diodes électroluminescentes à luminance élevée
WO2008100124A1 (fr) * 2007-02-12 2008-08-21 Laura Patricia Vargas Maciel Lampe à del à haute puissance pour éclairage public
WO2008125772A1 (fr) * 2007-03-08 2008-10-23 Lyracom Dispositif d'eclairage a led

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2258979A3 (fr) * 2009-06-03 2013-11-13 Zumtobel Lighting GmbH Lampe à DEL
EP2395276A3 (fr) * 2010-06-14 2012-10-24 Bestdisc Technology Corp. Lampe à diodes électroluminescentes à réglage d'angle de faisceau
WO2011156886A1 (fr) * 2010-06-18 2011-12-22 Vialuminary Ltd. Eclairage des rues à del
CN102401249A (zh) * 2010-09-15 2012-04-04 奇鋐科技股份有限公司 Led型灯泡结构
CN102401249B (zh) * 2010-09-15 2015-12-02 奇鋐科技股份有限公司 Led型灯泡结构
EP2690346A4 (fr) * 2011-03-21 2015-01-21 Toshiba Lighting & Technology Dispositif d'éclairage
ES2369303A1 (es) * 2011-10-03 2011-11-29 Francisco Javier España Moscoso Bombilla de alta eficacia con dispositivo de control de encendido y apagado y con sensor de luz incorporados.
CN102798057B (zh) * 2012-09-07 2015-07-15 深圳市紫光照明技术有限公司 矿用隔爆型led巷道灯
CN102798057A (zh) * 2012-09-07 2012-11-28 深圳市紫光照明技术有限公司 矿用隔爆型led巷道灯
US10064940B2 (en) 2013-12-11 2018-09-04 Siva Therapeutics Inc. Multifunctional radiation delivery apparatus and method
WO2015130940A1 (fr) * 2014-02-28 2015-09-03 Cooper Technologies Company Système d'éclairage extérieur
CN104534333A (zh) * 2015-01-04 2015-04-22 深圳市同鑫科技有限公司 可转动、快速更换和防滑滚led灯
WO2020069756A1 (fr) * 2018-10-05 2020-04-09 HELLA GmbH & Co. KGaA Système d'éclairage modulaire
US11280472B2 (en) 2018-10-05 2022-03-22 HELLA GmbH & Co. KGaA Modular lighting system
CN112161203A (zh) * 2020-09-11 2021-01-01 幂光新材料科技（上海）有限公司 一种替换高能耗路灯的led灯泡系统
FI20235970A1 (fi) * 2023-08-31 2025-03-01 I Valo Oy Valaisin

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