WO2011075988A1 - Dispositif d'éclairage à led avec structure de dissipation de chaleur du type en nid d'abeille - Google Patents

Dispositif d'éclairage à led avec structure de dissipation de chaleur du type en nid d'abeille Download PDF

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Publication number
WO2011075988A1
WO2011075988A1 PCT/CN2010/074366 CN2010074366W WO2011075988A1 WO 2011075988 A1 WO2011075988 A1 WO 2011075988A1 CN 2010074366 W CN2010074366 W CN 2010074366W WO 2011075988 A1 WO2011075988 A1 WO 2011075988A1
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WO
WIPO (PCT)
Prior art keywords
mounting portion
honeycomb
led lighting
unit
heat
Prior art date
Application number
PCT/CN2010/074366
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English (en)
Chinese (zh)
Inventor
张兴
梁德
Original Assignee
江苏生日快乐光电科技有限公司
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Application filed by 江苏生日快乐光电科技有限公司 filed Critical 江苏生日快乐光电科技有限公司
Publication of WO2011075988A1 publication Critical patent/WO2011075988A1/fr

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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
    • 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
    • F21V29/83—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks the elements having apertures, ducts or channels, e.g. heat radiation holes
    • 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
    • F21Y2105/00—Planar light sources
    • F21Y2105/10—Planar light sources comprising a two-dimensional array of point-like light-generating elements
    • 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 device, and more particularly to an LED lighting device for large space lighting such as street lamps, workshop lights, garden lights, and the like.
  • Street lamps are an important part of urban lighting.
  • Traditional street lamps often use high-pressure sodium lamps.
  • the low-efficiency of high-pressure sodium lamps as a whole has caused huge waste of energy. Therefore, the appearance of LED street lamps is of great significance for urban lighting energy conservation.
  • led Light Emitting Diode
  • the LED street lamp is a solid cold light source, it has the characteristics of environmental protection, no pollution, low power consumption, high luminous efficiency and long service life.
  • the heat dissipation methods used mainly include: heat conduction mode, natural convection heat dissipation, forced cooling of the installed fan, heat pipe and loop heat pipe heat dissipation.
  • the heat conduction method uses a metal heat conduction plate or a heat sink to increase the heat dissipation area.
  • the weight and the windward area are too large. Because the street lamp is several meters high, the risk is increased if it is too heavy, especially in the event of a typhoon or an earthquake.
  • the present invention provides a honeycomb structure flue-type heat-dissipating LED lighting device, which comprises a heat sink and a lighting unit disposed on the heat sink.
  • the heat dissipating body has a bottom surface and a top surface extending around the bottom surface and extending in a height direction.
  • the heat dissipating body has a plurality of tubular honeycomb units extending from the bottom surface to the top surface, and each honeycomb unit is composed of six unit walls having substantially equal lengths.
  • Each cell wall is coupled to the cell walls of the other cell units, and the respective cell units are arranged in parallel along the length direction of the cell wall.
  • the bottom surface of the heat dissipating body is formed with a first mounting portion at the middle of the bottom surface and surrounding the first mounting. a second mounting portion of the portion, the end of either end of the first mounting portion and the honeycomb unit above the second mounting portion is closed; the lighting unit includes an internal light-emitting lamp set disposed on the first mounting portion and is disposed in the second mounting portion External illuminated light set on the part.
  • each of the honeycomb units has a cell wall length of 5 mm to 10 mm and a wall thickness of 0.5 mm to 1 mm.
  • the middle portion of the bottom surface of the heat sink is recessed toward the top surface and the lower end portion of the honeycomb unit located above it is closed to form a first mounting portion
  • the bottom surface of the heat sink body is recessed toward the top surface at a position around the center and is located above the top surface.
  • the lower end of the honeycomb unit is closed to form a second mounting portion.
  • the first mounting portion has a flat bottom surface
  • the second mounting portion has a bottom surface that is inclined toward the outside of the heat sink.
  • the bottom surface of the second mounting portion is at an angle of 5 to 10 degrees from the horizontal plane.
  • the heat sink is formed from a cast aluminum material, which greatly reduces the weight of the heat sink.
  • the heat sink is streamlined, which reduces the wind resistance of the heat sink and increases the safety performance of the product.
  • the internal light-emitting lamp set includes at least one LED light-emitting component
  • the external light-emitting light set includes a plurality of LED light-emitting components spaced apart from each other in the second mounting portion.
  • the internal light group is an integrated package type LED lighting part
  • the external light group is an integrated package type LED lighting part or a single type LED lighting part.
  • the power of the internal light-emitting lamp group is 30 W to 60 W
  • the power of the external light-emitting lamp group is 60 to 120 W.
  • the present invention can significantly reduce the heat dissipation area while significantly reducing the weight of the lamp body, and at the same time, has the beneficial effects of saving energy, reducing production cost, and simple light distribution. .
  • FIG. 1 is a perspective view of an embodiment of a honeycomb structured flue-type heat sink LED lighting device in accordance with the present invention
  • Figure 2 is a partial enlarged view of the honeycomb structure shown in Figure 1;
  • Figure 3 is a bottom plan view of an embodiment of a honeycomb structured flue-type heat sink LED lighting device in accordance with the present invention.
  • FIG. 4 is a top plan view of an embodiment of a honeycomb structured flue-type heat sink LED lighting device in accordance with the present invention.
  • the honeycomb structure flue-type heat-dissipating LED illumination device of the present embodiment is composed of a heat dissipating body 100, a lighting unit 200 disposed on the heat dissipating body 100, and a connecting portion 300 disposed on the heat dissipating body 100.
  • the connecting portion 300 is for connecting with the lamp post to support the entire lighting device.
  • the heat dissipating body 100 has a bottom surface 110 extending in a horizontal plane and a top surface 120 extending around the bottom surface 110 and extending in a height direction.
  • the heat dissipating body 100 is streamlined as a whole to reduce the force receiving area in a high wind environment;
  • the tubular honeycomb unit 130 extends from the bottom surface to the top surface, and each of the honeycomb units 130 is disposed in parallel along the length direction across the unit wall 131.
  • the bottom surface 110 of the heat sink 100 is formed with a first mounting portion 140 at a middle portion of the bottom surface and a second mounting portion 150 surrounding the first mounting portion 140, and any of the first mounting portion 140 and the honeycomb unit 130 above the second mounting portion 150 The end of one end is closed.
  • the middle portion of the bottom surface of the heat sink 100 is recessed toward the top surface to form a hexagonal recess to form a first mounting portion 140.
  • the bottom surface of the hexagonal recess is flat and will be located above it.
  • the lower end portion of the honeycomb unit is closed; the bottom surface of the heat sink 100 is recessed toward the top surface at a position around the center to form an annular groove to form a second mounting portion 150, the bottom of the groove facing the outer side of the heat sink 100, and The lower end of the honeycomb unit located above it is closed, and the bottom surface is preferably at an angle of 5 to 10 degrees from the horizontal plane.
  • each of the honeycomb units 130 is composed of six unit walls 131 of substantially equal length, each unit wall being bonded to the unit walls 131 of the other honeycomb units, thereby constituting a honeycomb structure. Since both facts and theories prove that the honeycomb structure uses the least amount of raw materials, but occupies the largest space area, and the structural stability is optimal, the present invention minimizes the weight of the heat sink 100 due to the use of the honeycomb structure. The earth saves production materials and greatly increases the heat dissipation area, while the structure is very stable.
  • each of the honeycomb units has a cell wall length of 5 mm to 10 mm and a wall thickness of 0.5 mm to 1 mm, thereby achieving an optimum balance effect of various aspects of performance.
  • the heat dissipating body 100 can be produced by one-time manufacturing of a metal material, or can be assembled from a formed aluminum sheet, and preferably a metal material having a lower density such as a cast aluminum material, thereby forming the honeycomb.
  • the parameters such as the size, shape, and the like of the unit 130, the first mounting portion 140, and the second mounting portion 150 can be specifically determined by the mold, and then molded at a time, and the production cost is low.
  • the first mounting portion 140 and the second mounting portion 150 are not limited to the configuration in this embodiment.
  • the first mounting portion 140 may be completely circular, and the second mounting portion 150 may also be completely A plurality of recesses surrounding the first mounting portion 140 are not illustrated here.
  • the connecting portion 300 is used for connecting with the lamp post to support the entire lighting device.
  • it is specifically a threaded hole, and may also be a plurality of ways such as a recess matching the shape of the lamp post.
  • the lighting unit 200 includes an internal light-emitting lamp set 210 disposed on the first mounting portion 140 and an external light-emitting light set 220 disposed on the second mounting portion 150.
  • the internal light-emitting group 210 adopts integrated package type LED lighting components, and the integrated package type LED lighting components adopt an integrated package form, and the plurality of LEDs are packaged together so that the power can be large, and the integrated package type LED lighting components are tightly fixed to the first a central light source is formed in the recess of the mounting portion 140;
  • the external light emitting group 220 in this embodiment is composed of a plurality of single-type LED lighting components, and the plurality of single-body LED lighting components are recessed in the second mounting portion 150.
  • the equidistant distribution in the groove because the bottom of the second mounting portion 150 is inclined outward by 5 to 10 degrees, the light distribution process is finally realized, and the light intensity distribution is uniform in the illumination region, and the external illumination group 220 can also be Integrated packaged LED lighting components.
  • the heat when in the working state, the heat is respectively diffused to the peripheral honeycomb unit 130 centering on the location of the light-emitting component, and when diffused to each of the honeycomb cells 130, respectively, the heat is less dense, and the honeycomb unit 130 is upward.
  • the motion flows out from the upper port, and the cold air is automatically replenished from the lower port; it can also be seen that when it is rainy, the rainwater can automatically flush the honeycomb unit 130, thereby realizing the function of automatic cleaning.
  • Design LED lamp power is 90W, LED light efficiency is about 100lm/W, then
  • the heat dissipation efficiency of a honeycomb flue-type street lamp is more than three times that under normal conditions.
  • the street lamp is used in the honeycomb structure flue-type heat dissipation mode at an ambient temperature of 25 ° C, continuous operation for 10 hours in a windless environment, and the lamp body temperature does not exceed 50 ° C, which solves the problem of heat dissipation of the LED street lamp; thus controlling the light Decay, extend the effective life of LED;
  • the weight of the molded lamp shell is only 5Kg, which is one-half of the similar products, and the heat dissipation area is three times that of similar products; the heat dissipation efficiency is six times that of similar products.
  • the present invention is a honeycomb structure flue-type heat-dissipating LED lighting device with small mass and large heat dissipation area.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

La présente invention se rapporte à un dispositif d'éclairage à LED avec structure de dissipation de chaleur du type en nid d'abeille. Le dispositif d'éclairage selon l'invention comprend un corps de dissipation de chaleur (100) et un module d'éclairage (200). Le corps de dissipation de chaleur (100) comprend une surface inférieure (110), une surface supérieure (120) qui entoure la surface inférieure (110), et une pluralité de modules tubulaires en nid d'abeille (130) qui s'étend depuis la surface inférieure (110) jusqu'à la surface supérieure (120). Chaque module en nid d'abeille (130) comprend six parois unitaires (131) ayant une longueur sensiblement égale, et chaque paroi unitaire (131) est fixée aux parois unitaires (131) d'autres modules en nid d'abeille (130). Une première section de montage (140) située au centre de la surface inférieure (110) et une seconde section de montage (150) entourant la première section de montage (140) sont formées dans la surface inférieure (110) du corps de dissipation de chaleur (100), et les extrémités du module en nid d'abeille (130) situées au-dessus de la première section de montage (140) et de la seconde section de montage (150) sont incluses. Le module d'éclairage (200) comprend un groupe de lampes d'éclairage internes (210) disposé sur la première section de montage (140) et un groupe de lampes d'éclairage externes (220) disposé sur la seconde section de montage (150).
PCT/CN2010/074366 2009-12-25 2010-06-24 Dispositif d'éclairage à led avec structure de dissipation de chaleur du type en nid d'abeille WO2011075988A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN200910266288A CN101818871A (zh) 2009-12-25 2009-12-25 蜂窝结构烟道式散热led照明装置
CN200910266288.6 2009-12-25

Publications (1)

Publication Number Publication Date
WO2011075988A1 true WO2011075988A1 (fr) 2011-06-30

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CN (1) CN101818871A (fr)
WO (1) WO2011075988A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102661559A (zh) * 2012-04-28 2012-09-12 横店集团浙江得邦公共照明有限公司 一种蜂窝状新型散热结构led筒灯
CN103225783A (zh) * 2013-05-08 2013-07-31 许良鹏 太阳花led灯

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101956921A (zh) * 2010-10-08 2011-01-26 朱小龙 仿生蜂窝状散热器的led灯具
EP2630408A2 (fr) 2010-10-21 2013-08-28 Koninklijke Philips Electronics N.V. Puits de chaleur multifonctionnel de faible coût destiné à des réseaux de diodes électroluminescentes
WO2012058804A1 (fr) * 2010-11-02 2012-05-10 Lin Chintse Structure de dissipation de chaleur pour lampe à del
CN102052610A (zh) * 2010-12-20 2011-05-11 江苏生日快乐光电科技有限公司 大功率厂房灯
CN102121640A (zh) * 2011-01-19 2011-07-13 昆山华英光宝科技有限公司 网拍式路灯
CN102889524B (zh) * 2012-10-16 2015-07-08 广州市富胜照明灯具科技有限公司 蜂巢对流超导热led射灯
CN103075689A (zh) * 2013-01-31 2013-05-01 天目照明有限公司 新型led庭院灯
CN103148468B (zh) * 2013-02-27 2016-01-13 江苏福泰照明有限公司 一种空轴导电模块化led灯具用蜂窝叶片散热器及led灯组

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CN1963288A (zh) * 2006-12-04 2007-05-16 苑宝义 蜂窝式led灯具
CN200946795Y (zh) * 2006-04-13 2007-09-12 朝扬实业股份有限公司 灯具散热结构
CN200949803Y (zh) * 2006-08-15 2007-09-19 上海兴禄科技实业有限公司 一种大功率 led蜂窝散热器
CN101059228A (zh) * 2007-05-14 2007-10-24 缪晴文 Led路灯
CN101285557A (zh) * 2007-04-13 2008-10-15 深圳市阳光富源科技有限公司 带散热装置的led灯具
CN201282610Y (zh) * 2007-12-26 2009-07-29 宗珀工业有限公司 蜂巢型散热体

Patent Citations (6)

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Publication number Priority date Publication date Assignee Title
CN200946795Y (zh) * 2006-04-13 2007-09-12 朝扬实业股份有限公司 灯具散热结构
CN200949803Y (zh) * 2006-08-15 2007-09-19 上海兴禄科技实业有限公司 一种大功率 led蜂窝散热器
CN1963288A (zh) * 2006-12-04 2007-05-16 苑宝义 蜂窝式led灯具
CN101285557A (zh) * 2007-04-13 2008-10-15 深圳市阳光富源科技有限公司 带散热装置的led灯具
CN101059228A (zh) * 2007-05-14 2007-10-24 缪晴文 Led路灯
CN201282610Y (zh) * 2007-12-26 2009-07-29 宗珀工业有限公司 蜂巢型散热体

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102661559A (zh) * 2012-04-28 2012-09-12 横店集团浙江得邦公共照明有限公司 一种蜂窝状新型散热结构led筒灯
CN103225783A (zh) * 2013-05-08 2013-07-31 许良鹏 太阳花led灯

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