WO2011147149A1 - 用于led灯泡的散热器及高散热led灯泡 - Google Patents

用于led灯泡的散热器及高散热led灯泡 Download PDF

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Publication number
WO2011147149A1
WO2011147149A1 PCT/CN2010/077504 CN2010077504W WO2011147149A1 WO 2011147149 A1 WO2011147149 A1 WO 2011147149A1 CN 2010077504 W CN2010077504 W CN 2010077504W WO 2011147149 A1 WO2011147149 A1 WO 2011147149A1
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WO
WIPO (PCT)
Prior art keywords
heat
base
heat sink
heat dissipating
heat dissipation
Prior art date
Application number
PCT/CN2010/077504
Other languages
English (en)
French (fr)
Inventor
史杰
Original Assignee
Shi Jie
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.)
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Application filed by Shi Jie filed Critical Shi Jie
Priority to CA2799875A priority Critical patent/CA2799875A1/en
Priority to KR1020127032992A priority patent/KR20130079442A/ko
Priority to RU2012147932/12A priority patent/RU2012147932A/ru
Priority to CN201080027718XA priority patent/CN102483225A/zh
Priority to BR112012029829A priority patent/BR112012029829A2/pt
Priority to JP2013511507A priority patent/JP2013527575A/ja
Priority to US13/700,401 priority patent/US20130070458A1/en
Priority to EP10852018.0A priority patent/EP2578933A4/en
Priority to AU2010353950A priority patent/AU2010353950B2/en
Publication of WO2011147149A1 publication Critical patent/WO2011147149A1/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
    • 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
    • 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
    • F21K9/232—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 specially adapted for generating an essentially omnidirectional light distribution, e.g. with a glass bulb
    • 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
    • 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
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
    • F28F3/02—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
    • F28F3/025—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being corrugated, plate-like 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
    • F21V3/00—Globes; Bowls; Cover glasses
    • 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 belongs to the field of semiconductor illumination, and particularly relates to a heat sink for a LED bulb and a high heat dissipation LED bulb.
  • the LED bulb refers to a bulb with a light-emitting diode (LED) as a light source.
  • LED Light-emitting Diode
  • LED illuminators are LEDs that are light sources. When used as a lighting tool, LED bulbs (light bulbs with LEDs) can save more than 70% compared to incandescent and fluorescent lamps.
  • the existing LED bulb is mainly composed of a lamp holder, a lamp holder, a driver, a radiator, an LED light source component, a translucent cover, and the like:
  • An LED bulb is equipped with a reflective device for light distribution, an LED light source assembly is mounted on one side of the substrate, and a heat sink is disposed on the other side of the substrate; all heat can be dissipated only by providing a heat sink on the other side of the substrate,
  • the disadvantage is that the heat dissipation area is small and the power cannot be made large; the total output luminous flux of the LED bulb is low, and the loss of the reflected light distribution is large, and the overall system efficiency is low.
  • Another type of LED bulb integrates the LED light source on a stem and is placed in a closed bulb; all the heat can only be dissipated through the stem portion outside the closed bulb, which has the disadvantage of extremely low heat dissipation efficiency.
  • the LED bulb power cannot be made large, and the overall light output of the LED bulb is low, which is difficult to meet customer requirements.
  • An object of the present invention is to provide a heat sink for a LED light bulb which is simple and unique in structure and has good heat dissipation effect, characterized in that: the heat sink comprises a base and two or more heat sinks; One or more heat dissipating bodies are uniformly distributed with the central axis of the susceptor as an axis and a certain interval between adjacent heat dissipating bodies Separately, an emission-like heat dissipation channel is formed which is axially outward from the center of the susceptor.
  • the heat dissipating body is a heat radiating body having a V-shaped cross section, and a V-shaped bottom end of the heat dissipating body faces a central axis of the base, and a V-shaped opening of the heat radiating body faces away from the central axis of the base.
  • the angle of the V-shaped opening of the heat sink is 10. -180. Any angle between.
  • An object of the present invention is to provide a high-heat-dissipation LED bulb having a simple and unique structure and good heat dissipation effect, including a heat sink and an LED light source assembly.
  • the heat sink includes a base and two or more heat dissipation units.
  • the two or more heat dissipating bodies are evenly distributed along the central axis of the susceptor and have a certain interval between the adjacent heat dissipating bodies, forming an emission-like heat dissipating channel outside the central axis of the susceptor;
  • the LED light source assembly is fixed to the heat sink.
  • the heat dissipating body is a heat sink having a V-shaped cross section, the V-shaped bottom end of the heat dissipating body faces the central axis of the base, and the V-shaped opening of the heat dissipating body faces away from the central axis of the base;
  • the LED light source assembly is fixed on a bottom end of the V-shaped inner portion of the heat sink and/or two side arms inside the V-shape, and the bottom end of the heat-dissipating body V and the two side arms are provided with reflection Hood
  • the high heat dissipation LED bulb further includes a light transmissive cover that is fastened to the heat sink and covers the LED light source assembly.
  • the heat sink for LED bulb of the invention has simple and reasonable structure, novel and unique, and good heat dissipation effect.
  • the high-heating LED bulb of the invention is an important breakthrough and innovation for the current LED bulb structure. By searching for the heat-dissipating space (ie, the heat-dissipating channel) in the light-emitting area of the LED bulb, the LED bulb is cooled and the LED bulb is illuminated.
  • the organic integration has better solved the problem that the LED bulb has small volume and insufficient heat dissipation space, and prolonged the service life; and the cost is low, the assembly is convenient, and the appearance is beautiful.
  • FIG. 2 is a schematic cross-sectional view of a heat sink of the heat sink shown in FIG. 1;
  • FIG. 3 is a perspective view of the high heat dissipation LED bulb of the present invention.
  • FIG. 4 is a perspective view showing another direction of the high heat dissipation LED bulb shown in FIG. 3;
  • Figure 5 is a cross-sectional view of the high heat dissipation LED bulb shown in Figure 3;
  • Figure 6 is a cross-sectional view showing the heat sink of the heat sink of the high heat dissipation LED bulb shown in Figure 3.
  • LED light source assembly 2 LED light source assembly 2; 3 reflector, 4 transmissive cover, 5 drive, 6 lamp holder, 7 lamp holder. detailed description
  • the heat sink 1 for a LED bulb and the high heat-dissipating LED bulb of the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It is understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
  • a heat sink 1 for an LED bulb includes a susceptor 11 and two or more heat sinks 12, each of which is disposed along a base The center axis direction extends; two or more heat dissipating bodies 12 are evenly distributed along the central axis of the susceptor and have a certain interval between adjacent heat radiating bodies 12, forming an emission heat dissipation from the center axial direction of the susceptor Channel 13.
  • the interval between adjacent heat sinks 12 is any value between 0.5 and 20 mm, that is, the width of the heat dissipation channel 13 is any value between 0.5 and 20 mm.
  • the interval between adjacent heat radiating bodies 12 is 2 mm, that is, the width of the heat radiating passage 13 is 2 mm.
  • the heat dissipating body is four heat dissipating bodies 12 having a V-shaped cross section, and the bottom end of the V-shaped heat radiating body 12 having a cross section facing the central axis of the susceptor The V-shaped opening of the heat sink 12 having a V-shaped cross section faces away from the center axis of the base.
  • the heat sink 1 On the side of the base where there is no heat sink, a hollow heat sink 15 is provided.
  • the heat sink 1 further includes a plurality of heat dissipating fins 14; the base is a cylindrical base 11 extending from the outer wall of the cylindrical base 11.
  • the number of heat dissipating fins 14 is between 4 and 30.
  • the angle of the V-shaped opening of the heat sink 12 having a V-shaped cross section is 10. -180. Any angle between. In the present embodiment, the angle of the V-shaped opening of the heat radiating body 12 having a V-shaped cross section is 90°.
  • a high heat dissipation LED bulb includes a heat sink 1, an LED light source assembly 2, a reflector 3, a transmissive cover 4, a driver 5, and a lamp holder. 6 and the lamp head 7.
  • the heat sink 1 includes a base 11 and two or more heat sinks 12, each of which extends along a central axis of the base; two or more heat sinks 12 are pivoted about the central axis of the base Uniformly distributed and spaced apart between adjacent heat sinks 12, forming an emission-like heat dissipation channel 13 axially outward from the center of the susceptor.
  • the heat dissipating body is four heat dissipating bodies 12 having a V-shaped cross section, and the bottom end of the V-shaped heat radiating body 12 having a cross section facing the central axis of the susceptor and having a V-shaped heat dissipating body 12
  • the V-shaped opening faces away from the center axis of the base.
  • the angle of the V-shaped opening of the heat sink 12 having a V-shaped cross section is 90°.
  • a hollow heat dissipation cavity 15 is provided on the side of the base where there is no heat sink.
  • the LED light source unit 2 is fixed on the bottom end of the V-shaped inner portion of the heat sink body 12 having a V-shaped cross section and/or the two side arms inside the V-shape, and has a V-shaped heat dissipation cross section.
  • the bottom end of the V-shaped body of the body 12 and the two side arms are provided with a reflector 3; the transparent cover 4 is fastened to the heat sink 12 and covers the LED light source assembly 2.
  • the socket 6 is snap-fitted to the base 11 by means of a snap, that is, the base 11 is connected to the outside air to form air convection.
  • the driver 5 is disposed in a cavity formed by the lamp holder 6 and the heat dissipation cavity 15, and is connected to all of the LED light source units 2 by wires on the one hand, and to the lamp holder 7 through the lamp holder 6 on the other hand to realize circuit connection.
  • the reflector 3 is made of a material having a high reflectance
  • the transparent cover 4 is made of a transparent material having a high transmittance to improve the luminous efficiency of the LED bulb.
  • the heat dissipating body 12 divided into a plurality of directions can effectively dissipate heat generated by the LED light source unit 2 through the heat dissipating channel 13 and the heat dissipating fins 14 that are thermally conducted to the pedestal, and has a large heat dissipating area and a good heat dissipating effect, which is particularly advantageous for large
  • the heat dissipation of the power LED bulb extends the life of the product.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Description

用于 LED灯泡的散热器及高散热 LED灯泡
技术领域
本发明属于半导体照明领域， 尤其涉及一种用于 LED灯泡的散热器及高散热 LED 灯泡， LED灯泡是指以发光二极管 （Light-emitting Diode, 简称 LED ) 为光源的灯泡。 背景技术
在当前全球能源短缺的忧虑再度升高的背景下， 节约能源是我们未来面临的重要的 问题。 发光二极管 （Light-emitting Diode , 简称 LED )作为一种高效率的光源， 由于其 节能、 环保、 寿命长、 体积小、 耗能低等优点， 广泛应用于汽车、 交通信号灯指示、屏 幕显示、甚至照明等领域。 LED照明灯就是 LED为光源的照明灯。作为照明工具时， LED 灯泡（以 LED为光源的灯泡） 与白炽灯、 荧光灯相比， 其节电率可以达到 70%以上。
随着应用需求的发展， 需要越来越多高功率灯泡。 但是作为固体光源本身的一个特 点， 越高功率的 LED在工作时发出的热量越高。 这些发出的热量能否及时导出或散发 出去， 成为影响 LED灯泡发光品质和寿命的关键因素。
现有的 LED灯泡主要由灯头、 灯座、 驱动器、 散热器、 LED光源组件、 透光罩等 组成：
一种 LED灯泡是釆用反光器件进行配光， LED光源组件安装在基板的一侧， 基板 的另一侧设置散热片； 所有的热量只能通过设置基板另一侧的散热片进行散热， 其缺点 是散热面积小， 功率无法做大； LED灯泡的总输出光通量低， 且反射配光光损失大，整 体系统效率低。
另有一种 LED灯泡是把 LED光源集成在一个芯柱上， 置于封闭的泡壳中； 所有的 热量只能通过封闭的泡壳外的芯柱部分进行散热， 其缺点是散热效率极低， LED灯泡功 率无法做大， LED灯泡整体光输出低， 难以满足客户要求。
现有技术的 LED灯泡的散热性能欠佳， 难以保证大功率的 LED灯泡发光品质和寿 命。 发明内容
本发明的一个目的是提供一种结构简单独特， 且散热效果好的用于 LED灯泡 的散热器， 其特征在于： 所述散热器包括基座和两个或两个以上散热体； 所述两个 或两个以上散热体以所述基座中心轴为轴均勾分布且相邻散热体之间具有一定间 隔， 形成由所述基座中心轴向外的发射状散热通道。
以上技术方案还可以通过以下方式进一步改进。
所述散热体是横截面为 V字型的散热体， 所述散热体的 V字底端朝向所述基 座中心轴， 所述散热体的 V字开口背向所述基座中心轴。
所述散热体的 V字开口的角度是 10。-180。之间的任意一个角度。
本发明的一个目的是提供一种结构简单独特， 且散热效果好的高散热 LED灯 泡， 包括散热器和 LED光源组件； 其特征在于： 所述散热器包括基座和两个或两个 以上散热体； 所述两个或两个以上散热体以所述基座中心轴为轴均匀分布且相邻散 热体之间具有一定间隔， 形成由所述基座中心轴向外的发射状散热通道； 所述 LED 光源组件固定在所述散热体上。
以上技术方案还可以通过以下方式进一步改进。
所述散热体是横截面为 V字型的散热体， 所述散热体的 V字底端朝向所述基 座中心轴， 所述散热体的 V字开口背向所述基座中心轴；
所述 LED光源组件固定在所述散热体的 V字内部的底端和 /或 V字内部的两个 侧臂上， 所述散热体 V字内部的底端和两个侧臂上设有反光罩；
所述高散热 LED灯泡还包括透光罩， 所述透光罩扣合在所述散热体上且罩住 所述 LED光源组件。 本发明的用于 LED灯泡的散热器， 结构简单合理， 新颖独特， 且散热效果好。 本发明的高散热 LED灯泡， 是对目前 LED灯泡结构的一种重要突破和创新， 通过在 LED灯泡的光源发光区域寻找散热空间 （即散热通道）， 将 LED灯泡散热 和 LED灯泡发光两部分结构进行有机整合， 较好的解决了 LED灯泡体积小、 散热 空间不足的问题， 延长了使用寿命； 且成本低， 组装方便， 外形美观。 附图说明
下面结合附图和实施例对本发明做进一步详细的说明。
图 1为本发明的用于 LED灯泡的散热器的结构示意图；
图 2为图 1所示散热器的散热体的横截面示意图；
图 3为本发明的高散热 LED灯泡的立体示意图；
图 4为图 3所示的高散热 LED灯泡的另一方向的立体示意图； 图 5为图 3所示的高散热 LED灯泡的剖面示意图；
图 6为图 3所示的高散热 LED灯泡的散热器的散热体的横截面示意图。
其中， 附图标记如下：
1 散热器：
11 基座， 12散热体， 13散热通道， 14散热翅片， 15 散热腔；
2 LED光源组件 2; 3 反光罩， 4 透光罩， 5 驱动器， 6 灯座， 7灯头。 具体实施方式
为了使本发明的目的、 技术方案及优点更加清楚明白， 以下结合附图及实施例，对 本发明的用于 LED灯泡的散热器 1及高散热 LED灯泡进行进一步详细说明。应当理解， 此处所描述的具体实施例仅仅用以解释本发明， 并不用于限定本发明。
如图 1和图 2所示， 在本发明的一个实施例中， 用于 LED灯泡的散热器 1 , 包括基 座 11和两个或两个以上散热体 12,每个散热体 12沿着基座中心轴方向延伸； 两个或两 个以上散热体 12以所述基座中心轴为轴均匀分布且相邻散热体 12之间具有一定间隔， 形成由基座中心轴向外的发射状散热通道 13。
优选的， 相邻散热体 12之间的间隔是 0.5-20mm之间的任意一个值， 即散热通道 13的宽度是 0.5-20mm之间的任意一个值。 在本实施例中， 相邻散热体 12之间的间隔 是 2mm, 即散热通道 13的宽度是 2mm。 如图 2所示， 在本实施例中， 所述散热体是 4个横截面为 V字型的散热体 12, 横 截面为 V字型的散热体 12的 V字底端朝向基座中心轴， 横截面为 V字型的散热体 12 的 V字开口背向基座中心轴。 在基座没有散热体的一侧， 设有中空的散热腔 15。 优选的， 散热器 1还包括多个散热翅片 14; 基座是圆柱状基座 11 , 散热翅片 14从 圆柱状基座 11的外壁延伸而出。
优选的， 散热翅片 14的数量在 4-30个之间。
优选的， 所述横截面为 V字型的散热体 12的 V字开口的角度是 10。-180。之间的任 意一个角度。 在本实施例中， 横截面为 V字型的散热体 12的 V字开口的角度是 90°。
如图 3、 图 4和图 5所示， 在本发明的一个实施例中， 高散热 LED灯泡， 包括散热 器 1 , LED光源组件 2, 反光罩 3 , 透光罩 4, 驱动器 5 , 灯座 6和灯头 7。 散热器 1包括基座 11和两个或两个以上散热体 12,每个散热体 12沿着基座中心轴 方向延伸； 两个或两个以上散热体 12以所述基座中心轴为轴均匀分布且相邻散热体 12 之间具有一定间隔，形成由基座中心轴向外的发射状散热通道 13。所述散热体是 4个横 截面为 V字型的散热体 12, 横截面为 V字型的散热体 12的 V字底端朝向基座中心轴， 横截面为 V字型的散热体 12的 V字开口背向基座中心轴。 横截面为 V字型的散热体 12的 V字开口的角度是 90°。 在基座没有散热体的一侧， 设有中空的散热腔 15。
如图 6所示， LED光源组件 2固定在横截面为 V字型的散热体 12的 V字内部的底 端和 /或 V字内部的两个侧臂上， 横截面为 V字型的散热体 12的 V字内部的底端和两 个侧臂上设有反光罩 3; 透光罩 4扣合在散热体 12上且罩住 LED光源组件 2。
灯座 6通过卡扣的方式与基座 11扣合连接， 即基座 11与外界空气连接， 可以形成 空气对流。
驱动器 5设置在灯座 6与散热腔 15组成的空腔内， 一方面通过导线与所有的 LED 光源组件 2连接， 另一方面， 通过灯座 6与灯头 7相连， 以实现电路连接。
优选的， 反光罩 3釆用反光率高的材料， 透光罩 4釆用透光率高的透明材料， 提高 LED灯泡的发光效率。 分成多个方向的散热体 12, 能有效地将 LED光源组件 2产生的热量通过散热通道 13以及热传导到基座的散热翅片 14向外散热， 散热面积大， 散热效果好， 特别有利于 大功率的 LED灯泡的散热， 延长产品的使用寿命。 最后应当说明的是， 很显然， 本领域的技术人员可以对本发明进行各种改动和变型 而不脱离本发明的精神和范围。 这样， 倘若本发明的这些修改和变型属于本发明权利要 求及其等同技术的范围之内， 则本发明也意图包含这些改动和变型。

Claims

权利要求
1、 一种用于 LED灯泡的散热器（ 1 ), 其特征在于：
所述散热器（ 1 ) 包括基座（ 11 )和两个或两个以上散热体 (12); 所述两个或两 个以上散热体（12)以所述基座中心轴为轴均匀分布且相邻散热体（12)之间具有一定 间隔， 形成由所述基座中心轴向外的发射状散热通道（13 )。
2、 根据权利要求 1所述的散热器（ 1 ), 其特征在于：
所述散热体是横截面为 V字型的散热体 (12), 所述散热体 (12)的 V字底端朝向 所述基座中心轴， 所述散热体 (12)的 V字开口背向所述基座中心轴。
3、 根据权利要求 2所述的散热器（1 ), 其特征在于：
所述散热体 (12)的 V字开口的角度是 10°-180°之间的任意一个角度。
4、 根据权利要求 1所述的散热器（ 1 ), 其特征在于：
还包括多个散热翅片 （14 ); 所述基座是柱状基座（ 11 ), 所述散热翅片 （14 ) 从所述柱状基座 ( 11 ) 的外壁延伸而出。
5、 根据权利要求 1所述的散热器（ 1 ), 其特征在于：
所述基座 ( 11 )设有中空的散热腔（ 15 )。
6、 根据权利要求 1所述的散热器（ 1 ), 其特征在于：
所述相邻散热体 (12)之间的间隔的宽度是 0.5-20 mm之间的任意一个值。
7、 根据权利要求 1所述的散热器（ 1 ), 其特征在于：
所述相邻散热体 (12)之间的间隔的宽度是 2mm。
8、 根据权利要求 2所述的散热器（1 ), 其特征在于：
所述散热体 (12)的 V字开口的角度是 90°。
9、 一种高散热 LED灯泡， 包括散热器（1 ), LED光源组件（2 ); 其特征在于： 所述散热器（ 1 ) 包括基座（ 11 )和两个或两个以上散热体 (12); 所述两个或两 个以上散热体（12)以所述基座中心轴为轴均匀分布且相邻散热体（12)之间具有一定 间隔， 形成由所述基座中心轴向外的发射状散热通道（13 );
所述 LED光源组件（ 2 ) 固定在所述散热体 (12)上。
10、 根据权利要求 9所述的高散热 LED灯泡， 其特征在于：
所述散热体是横截面为 V字型的散热体 (12), 所述散热体 (12)的 V字底端朝向 所述基座中心轴， 所述散热体 (12)的 V字开口背向所述基座中心轴； 所述 LED光源组件 （ 2 ) 固定在所述散热体 (12)的 V字内部的底端和 /或 V字 内部的两个侧臂上， 所述散热体（12)的 V字内部的底端和两个侧臂上设有反光罩 ( 3 )；
所述高散热 LED灯泡还包括透光罩（ 4 ), 所述透光罩（ 4 )扣合在所述散热体 (12)上且罩住所述 LED光源组件（ 2 )。
11、 根据权利要求 10所述的高散热 LED灯泡， 其特征在于：
所述基座 ( 11 )设有中空的散热腔（ 15 )。
12、 根据权利要求 10所述的高散热 LED灯泡， 其特征在于：
所述散热体 (12)的 V字开口的角度是 10。-180。之间的任意一个角度。
13、 根据权利要求 10所述的高散热 LED灯泡， 其特征在于：
所述散热体 (12)还包括多个散热翅片 （14 ); 所述基座是柱状基座（ 11 ), 所述 散热翅片 （ 14 )从所述柱状基座的外壁延伸而出。
PCT/CN2010/077504 2010-05-27 2010-09-30 用于led灯泡的散热器及高散热led灯泡 WO2011147149A1 (zh)

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BR112012029829A BR112012029829A2 (pt) 2010-05-27 2010-09-30 ''dispositivo dissipador de calor para lâmpada led e lâmpada com elevada dissipação de calor''
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