WO2013097291A1 - 空气自然内外对流散热的大角度led球泡灯 - Google Patents

空气自然内外对流散热的大角度led球泡灯 Download PDF

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Publication number
WO2013097291A1
WO2013097291A1 PCT/CN2012/001728 CN2012001728W WO2013097291A1 WO 2013097291 A1 WO2013097291 A1 WO 2013097291A1 CN 2012001728 W CN2012001728 W CN 2012001728W WO 2013097291 A1 WO2013097291 A1 WO 2013097291A1
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WO
WIPO (PCT)
Prior art keywords
heat dissipation
lamp cover
column
power supply
led
Prior art date
Application number
PCT/CN2012/001728
Other languages
English (en)
French (fr)
Inventor
文国军
瞿崧
娄永发
Original Assignee
上海顿格电子贸易有限公司
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 上海顿格电子贸易有限公司 filed Critical 上海顿格电子贸易有限公司
Publication of WO2013097291A1 publication Critical patent/WO2013097291A1/zh

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Classifications

    • 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
    • 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
    • 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
    • F21Y2107/00—Light sources with three-dimensionally disposed light-generating elements
    • F21Y2107/30—Light sources with three-dimensionally disposed light-generating elements on the outer surface of cylindrical surfaces, e.g. rod-shaped supports having a circular or a polygonal cross section
    • 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 invention relates to an LED bulb lamp for convection heat dissipation inside and outside the air, and belongs to the technical field of LED illumination sources.
  • LED bulbs are a hot trend in LED light source applications. They have always been the focus of research by various manufacturers. As far as LED bulbs are concerned, LED chips are prone to light decay at higher temperatures, and their heat dissipation directly affects their performance. For the purpose of using the effect and the service life, the existing LED bulbs are generally equipped with a heat sink to assist heat dissipation. However, the air flow of the existing heat sink during the heat dissipation process is relatively small, and the heat dissipation effect still does not meet the requirements. Moreover, since the existing LED bulb is limited by its structure, the illumination area is narrow.
  • the present invention provides a high-angle LED bulb with good heat dissipation effect and natural internal and external convection heat dissipation for large-angle illumination.
  • the technical solution of the present invention is a high-angle LED bulb having a natural internal and external convection heat dissipation, wherein the bulb comprises a lamp cover, a lamp cap, a heat dissipation column, and a power supply cavity with a power supply of the LED chip,
  • the lower part of the power supply cavity is fixed to the lamp holder, and the upper part is fixed to the lamp cover.
  • the heat dissipation column has a polygonal shape and is fixed in the middle of the power supply cavity.
  • the LED chip is attached to each side of the heat dissipation column to achieve a large angle of illumination.
  • the utility model has a plurality of holes in the upper and lower sides of the power supply cavity and the top of the lamp cover, and the heat dissipating column is provided with a plurality of heat dissipating channels, and the heat is naturally distributed through the air through the communication cavity, the hole in the lamp cover and the heat dissipation channel of the heat dissipation column.
  • the middle of the heat dissipating column is a polygonal hollow cylinder, and the LED chip is attached to the hollow side column.
  • the material of the lampshade is transparent or colored with a phosphor-added material.
  • the power chamber has a plurality of holes on the top and bottom of the lamp cover and a plurality of heat dissipation channels are disposed on the heat dissipation column, the power supply cavity, the hole on the lamp cover and the heat dissipation channel on the heat dissipation column communicate with each other, and the air is naturally circulated and dissipated, thereby solving the problem.
  • the LED chip is attached to the polygonal heat-dissipating column to achieve a large angle of illumination.
  • Figure 1 is a schematic view showing the structure of a high-angle LED bulb with heat dissipation inside and outside the air;
  • Figure 2 is a cross-sectional view of the heat dissipation column
  • Figure 3 is a top view of the heat sink column.
  • a high-angle LED bulb that convects heat inside and outside the air includes a high-angle LED bulb that convects heat inside and outside the air, and the bulb includes a lampshade.
  • the body, the LED chip attached to the edge of the heat dissipation column is 12 pieces;
  • the power supply cavity 3 has a plurality of holes (5, 7) at the top of the lamp cover 1 and the top of the
  • the middle of the heat dissipating column 2 is a polygonal hollow cylinder, and the LED chip is attached to the hollow side column, and a plurality of heat dissipating channels are convected with the outside air.
  • the cover 1 is made of a transparent or colored phosphor-added material.

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)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)

Abstract

一种空气自然内外对流散热的大角度LED球泡灯，包括灯罩（1）、灯头（4）、散热柱（2）和电源腔体（3）。电源腔体（3）下部和灯头（4）固接，电源腔体（3）上部和灯罩（1）固接。散热柱（2）呈多边体形状，固定于电源腔体（3）的中间，LED芯片（6）贴在散热柱每一边（2）上，实现大角度的发光效果。电源腔体（3）上、下以及灯罩（1）的顶部开有多个孔（5，7），散热柱（2）设置有多个散热通道，电源腔体（3）、灯罩（1）上的孔（5，7）和散热柱（2）散热通道连通，通过空气自然流通实现散热。

Description

空气自然内外对流散热的大角度 LED球泡灯
技术领域
本发明涉及一种空气自然内外对流散热的 LED球泡灯， 属于 LED照明光源技术领域。
背景技术
目前， LED球泡灯作为 LED光源应用的一个热门方向， 一直是各厂家投入研究的热点， 就 LED球泡灯而言， LED芯片在较高温度下容易出现光衰， 其散热效果直接影响其使用效 果和寿命， 为此， 现有 LED球泡灯一般都配有散热器辅助散热， 但现有散热器散热过程空 气流动相对较少， 散热效果仍未符合要求。 又由于现有的 LED球泡灯受其结构的制约， 光 照面积窄。
发明内容
本发明为了克服现有 LED球泡灯散热效果差和光照面积窄的缺点， 提供一种散热效果 好和达到大角度发光的空气自然内外对流散热的大角度 LED球泡灯。
本发明的技术方案是， 一种空气自然内外对流散热的大角度 LED球泡灯， 其特点是， 该球泡灯包括灯罩、 灯头、 散热柱和置有 LED芯片电源的电源腔体， 所述的电源腔体下部 和灯头固接， 上部和灯罩固接， 所述的散热柱呈多边体形状， 且固定于电源腔体的中间， LED 芯片贴在散热柱每一边上， 达到大角度的发光效果； 所述电源腔体上下和灯罩的顶部 开有多个孔， 散热柱置有多个散热通道， 通过电源腔体、 灯罩上的孔和散热柱散热通道的 连通， 通过空气自然流通散热。
所述的散热柱中间为多边形的中空柱体,所述的 LED芯片贴在中空边柱上。
所述的灯罩的材质为为透明的或者是有色的添加有荧光粉的材质。
由于电源腔体上下和灯罩的顶部开有多个孔以及散热柱置有多个散热通道， 通过电源 腔体、灯罩上的孔和散热柱上的散热通道连通，通过空气自然流通散热，解决了大功率 LED 灯泡散热问题。 LED芯片贴在多边形的散热柱上， 达到大角度的发光效果。
附图说明
图 1为空气自然内外对流散热的大角度 LED球泡灯结构示意图；
图 2为散热柱剖面图；
图 3为散热柱的俯视图。
具体实施方式
一种空气自然内外对流散热的大角度 LED球泡灯， 如图 1-图 3所示， 包括一种空气 自然内外对流散热的大角度 LED球泡灯， 其特点是， 该球泡灯包括灯罩 1、 灯头 4、 散热 柱 2和置有 LED芯片电源的电源腔体 3， 所述的电源腔体 3下部和灯头 4固接， 电源腔体 3上部和灯罩 1固接， 所述的散热柱 2呈多边形形状， 且固定于电源腔体 3的中间， LED 芯片 6贴在散热柱每一边上， 达到大角度的发光效果， 散热柱可为 4-8边体等， 本实施例 为六边体， 贴在散热柱边上的 LED芯片为 12片； 所述电源腔体 3上下和灯罩 1的顶部开 有多个孔 （5、 7)， 散热柱 2置有有多个散热通道 8， 通过电源腔体 3、 灯罩 1上的孔和散 热柱 2上的散热通道连通， 通过空气自然流通散热。 所述的散热柱 2中间为多边形的中空 柱体， 所述的 LED 芯片贴在中空边柱上， 多个散热通道和外部空气对流。 所述的灯罩 1 的材质为为透明的或者是有色的添加有荧光粉的材质。

Claims

权利要求：
1. —种空气自然内外对流散热的大角度 LED球泡灯， 其特征在于， 该球泡灯包括灯罩、 灯头、 散热柱和置有 LED芯片电源的电源腔体， 所述的电源腔体下部和灯头固接， 上部和 灯罩固接， 所述的散热柱呈多边体形状， 且固定于电源腔体的中间， LED 芯片贴在散热柱 每一边上， 达到大角度的发光效果； 所述电源腔体上下开有多个孔， 所述灯罩的顶部开有 多个孔以及散热柱置有多个散热通道， 通过电源腔体、 灯罩的孔和散热柱上的散热通道连 通， 通过空气自然流通散热。
2. —种空气自然内外对流散热的大角度 LED球泡灯， 其特征在于， 所述的散热柱中间为 多边形的中空柱体， 所述的 LED芯片贴在中空边柱上。
3. 一种空气自然内外对流散热的大角度 LED球泡灯， 其特征在于， 所述的灯罩的材质为 为透明的或者是有色的添加有荧光粉的材质。
PCT/CN2012/001728 2011-12-30 2012-12-24 空气自然内外对流散热的大角度led球泡灯 WO2013097291A1 (zh)

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CN201110452639.X 2011-12-30
CN201110452639XA CN102494257A (zh) 2011-12-30 2011-12-30 空气自然内外对流散热的大角度led球泡灯

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Publication number Priority date Publication date Assignee Title
CN102494257A (zh) * 2011-12-30 2012-06-13 上海顿格电子贸易有限公司 空气自然内外对流散热的大角度led球泡灯
CN102980071A (zh) * 2012-12-14 2013-03-20 浙江名芯半导体科技有限公司 带有散热结构的led灯泡
CN104359026A (zh) * 2014-10-30 2015-02-18 深圳市裕富照明有限公司 Led自镇流灯
TWI603036B (zh) 2015-12-25 2017-10-21 LED lighting device and manufacturing method thereof
CN106287271A (zh) * 2016-08-15 2017-01-04 上海三思电子工程有限公司 大角度球泡灯
CN106369419A (zh) * 2016-11-15 2017-02-01 万欣 一种蘑菇灯

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CN201184555Y (zh) * 2007-12-28 2009-01-21 王鑫超 一种多边嵌槽式柱形led灯泡
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Publication number Priority date Publication date Assignee Title
DE102007040444A1 (de) * 2007-08-28 2009-03-05 Osram Gesellschaft mit beschränkter Haftung LED-Lampe
CN201116702Y (zh) * 2007-11-26 2008-09-17 杨荣富 Led照明单元及其光源模块
CN201184555Y (zh) * 2007-12-28 2009-01-21 王鑫超 一种多边嵌槽式柱形led灯泡
CN102121611A (zh) * 2011-02-14 2011-07-13 浙江迈勒斯照明有限公司 一种带空心散热基座的led灯具
CN102494257A (zh) * 2011-12-30 2012-06-13 上海顿格电子贸易有限公司 空气自然内外对流散热的大角度led球泡灯
CN202432304U (zh) * 2011-12-30 2012-09-12 上海顿格电子贸易有限公司 空气自然内外对流散热的大角度led球泡灯

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