WO2012019378A1 - 具有散热通道的led节能灯 - Google Patents

具有散热通道的led节能灯 Download PDF

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Publication number
WO2012019378A1
WO2012019378A1 PCT/CN2010/077500 CN2010077500W WO2012019378A1 WO 2012019378 A1 WO2012019378 A1 WO 2012019378A1 CN 2010077500 W CN2010077500 W CN 2010077500W WO 2012019378 A1 WO2012019378 A1 WO 2012019378A1
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WO
WIPO (PCT)
Prior art keywords
heat sink
inner casing
heat
led
heat dissipation
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PCT/CN2010/077500
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English (en)
French (fr)
Inventor
周鸣
刘乃涛
陈红宇
孙建国
潘成林
Original Assignee
南京汉德森科技股份有限公司
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Publication of WO2012019378A1 publication Critical patent/WO2012019378A1/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
    • 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
    • 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 present invention relates to an energy-saving lamp, and more particularly to an LED energy-saving lamp using a power-type light-emitting diode as an illumination source, and belongs to the technical field of semiconductor illumination.
  • LEDs light-emitting diodes
  • the technical solutions are as follows. From the light source, it can be divided into small power LEDs or high-power LEDs. High-power LEDs can be divided into single and integrated packages.
  • the lamp body is generally made of an aluminum heat sink.
  • the low-power LED has the advantage of low cost, but the light decay is obvious, the life is very low, and the quantity used is too large, the production and processing are inconvenient, and it is gradually eliminated by the market, and the LED light source package of the integrated chip is used.
  • the average illuminance value is low and the light output efficiency is low.
  • the central heat is large and concentrated, the heat dissipation is often not timely, and the instantaneous temperature will exceed the internal junction temperature of the LED, which will cause the LED to fail.
  • the general scheme The heat generated by the LED is reduced by the heat sink and the aluminum substrate. Under such conditions, the temperature can be controlled below the junction temperature of the LED chip, but if the power of the light source is continuously increased, it is difficult to ensure the expected service life of the LED.
  • the innovative design of LED luminaires is a whole project, including its heat dissipation, optics, structural design and design. Among them, heat dissipation is the focus of the whole design.
  • the object of the present invention is to provide an LED energy-saving lamp with a heat dissipation channel, which uses a power type light-emitting diode of 1 W or more as an LED light source component to solve the problem of the conventional structure and the heat dissipation of the lamp body, and provides a structural design.
  • LED energy-saving lamps with simple, good heat dissipation, low cost and long service life promote the application and implementation of LED energy-saving technology.
  • the purpose of the utility model will be achieved by the following technical solutions:
  • An LED energy-saving lamp having a heat dissipation channel, comprising a light-emitting lamp cover, an LED light source assembly, an inner casing heat sink, an outer casing heat sink, a driving power source, an insulating seat and a lamp cap, wherein the LED light source component is mounted on a surface of the metal-based circuit board a high-power light-emitting diode, the lamp cover is embedded on the top of the inner casing heat sink, the top of the inner casing heat sink is provided with a heat-conducting round table in the shape of a flat bottom groove, and the center of the inner casing heat sink forms a cylindrical cavity, which is integrated
  • the driving power source and the insulating seat of the assembly are inserted into the columnar cavity, and the bottom end of the inner casing heat sink is connected to the insulating seat, wherein: the metal base circuit board of the LED light source component is attached to the inner casing On the heat conducting circular table of the body heat sink, the outer casing heat sink is slee
  • the aforementioned LED energy-saving lamp having a heat dissipation channel, wherein:
  • the LED light source component refers to a light-emitting component formed by mounting a light-emitting diode with a power of 1 W or more, a single color or a complex color on a metal-based circuit board, wherein the structure of the light-emitting diode comprises a single package or an integrated package, and the LED The light exit of the light source component corresponds to the light cover;
  • the heat dissipation vent holes provided on the surface of the outer casing heat sink are of any geometric shape, arranged in a single row or in a plurality of rows in a row;
  • the lampshade is a mixture of glass, resin or PC material having a light transmittance of more than 95%, and the shape thereof includes at least a hemispherical shape, a spherical shape, a cylindrical shape, a prismatic shape, and the inner wall of the lampshade of various shapes is a frosted surface or Brightening coating;
  • a groove for assembling and fixing the lamp cover is disposed on the outer circumference of the heat conducting round table of the inner casing heat sink, and the side wall of the groove and the bottom edge of the lamp cover are provided with matching threads, and the two are screwed together;
  • the surface of the heat conducting truncated cone is provided with a positioning screw hole, and the LED light source assembly is fixed to the surface of the heat conducting round table of the inner casing heat sink by a fastening screw;
  • the insulating seat has a cylindrical structure, and one end is provided with a semi-circular opening, a driving power source is disposed in the opening, and a bottom of the inner casing heat sink is provided with more than one screw hole, and the insulating seat passes through A screw is fixed to the bottom of the inner casing radiator.
  • the lamp cap constituting the LED energy-saving lamp is a metal interface, and the metal interface is in the form of a copper-plated nickel high-frequency porcelain E-27 screw cap or a lamp cap of any standard form, and is screwed to the bottom end of the insulating seat.
  • the utility model and the lighting device of the traditional incandescent lamp tube or the fluorescent lamp tube have the following advantages:
  • the utility model has the advantages of simple structure, few attachments, impact resistance, vibration resistance, safe and reliable work, and low product cost;
  • the utility model is provided with a heat dissipation hole on the outer surface of the heat sink of the housing to directly communicate with the columnar cavity of the internal light source, thereby providing an effective heat dissipation channel, avoiding the traditional closed structure, and relies only on the limitation of heat dissipation of the external heat sink, and is effective. Solved the problem of LED heat dissipation;
  • the die-casting LED energy-saving lamp is designed with low-voltage power supply, does not require the cost design of high-voltage insulation, and has the advantages of soft color, bright, colorful, green and environmental protection;
  • FIG. 1 is a perspective view showing a three-dimensional structure assembly of an embodiment of a die-casting LED energy-saving lamp of the present invention
  • FIG. 2 is a cross-sectional view showing the structure of the embodiment shown in FIG.
  • Fig. 3 is a perspective view showing the assembled embodiment of the body 1 after completion of assembly.
  • a schematic diagram of a three-dimensional structure assembly of an embodiment of the die-cast LED energy-saving lamp shown in FIG. 1 includes: a light-emitting lamp cover 1, an LED light source assembly 2, an inner casing heat sink 3, an outer casing heat sink 4, and a driving The power source 5, the insulating seat 6, and the lamp cap assembly 7.
  • the LED light source component is located in the inner cavity of the inner casing heat sink 3, and the high-power light emitting diode 8 is mounted on the surface of the metal base circuit board 9, forming an LED light source component, and the bottom end of the metal base circuit board 9 is fixedly connected a cup-shaped inner casing radiator 3, the outer casing radiator 3 is also provided with a cup-shaped outer casing radiator 4 in a non-contact manner, and the inner and outer casing radiators are made of aluminum or alloy material, and the outer casing A heat dissipation vent is evenly distributed around the bottom of the heat sink 4, and a plurality of ventilation grooves are formed at the mouth of the heat sink of the inner casing.
  • the heat dissipation vents are strip-shaped, round, square, diamond-shaped, etc., and may also be other available shapes for heat dissipation.
  • the bottom of the hole directly communicates with the light source cavity in the cavity, which constitutes a heat dissipation channel of the lamp body, and is convenient for air convection conduction, and the top of the cavity body is provided with a heat-conducting circular table with a flat bottom groove shape, and the LED light source assembly 2 is fixed to the flat bottom.
  • the center of the heat dissipating structure is provided with a columnar cavity, and the integrally assembled driving power source 5 and the insulating seat 6 are inserted into the columnar cavity, wherein the insulating seat 6 is fixed to the bottom of the inner casing heat sink 3; 7 is attached to the lower port of the insulating seat 6, and is insulated and fixed from the metal lamp body.
  • the LED light source assembly is composed of a light-emitting diode 8 of 1W or more, monochromatic or mixed color, and a metal-based circuit board 9, and the light-emitting diode 8 is mounted on the metal base by thermal grease in a single package or an integrated package.
  • the circuit board 9 is formed on the upper surface of the LED light source assembly 2, and the LED light source assembly 2 is embedded in the top groove structure of the inner casing heat sink 3.
  • the upper part of the heat sink 3 of the lamp body has a heat conducting circular table with a groove structure.
  • the heat conducting round table has a circular groove around the circular plate.
  • the metal base circuit board 9 of the LED light source assembly 2 is fixed in the heat conducting round table.
  • a lampshade 1 is fixed on the annular groove, and the lampshade 1 can be generally in the shape of a hemisphere, a cylinder, a cylinder, a prism, and the inner wall of the lampshade can be provided with a light-increasing coating or a treatment; the lampshade 1 is composed of A mixture of glass, resin or PC material having a light transmittance of 95% or more.
  • the lampshade 1 is not only shatterproof, dustproof, anti-aging, but also has a matte effect, uniform and soft light emission, high light extraction rate, safe and reliable.
  • the lampshade 1 is fixed in the glue groove of the inner casing radiator 3 by means of a glue connection, and the glue groove structure not only facilitates the fixing of the lamp cover 1, but also prevents excessive overflow of the colloid for connection and fixation. Therefore, installation and maintenance are more convenient.
  • the inner and outer casing heat sinks are usually made of aluminum or alloy material, and are processed by mechanical means such as die-casting, cutting, surface treatment, etc.; a plurality of heat-dissipating holes are uniformly distributed around the outer edge of one end of the heat sink, and the shape of the heat-dissipating holes is strip-shaped, Round, square, diamond, etc., can also be other available shapes, distribution and arrangement can be single or multiple rows, the bottom of the heat dissipation hole is directly connected with the cavity of the cavity, and the outer surface is blasted and polished. Heat dissipation for better heat dissipation.
  • the insulating seat 6 has a cylindrical structure, and a cavity is formed in the cavity of the cavity, and the driving power source 5 is inserted and positioned in the slot.
  • the driving power source 5 has a rectangular printed circuit board bottom, and one end of the cylindrical insulating seat 6 is provided with a semi-circular opening, and the insulating seat 6 is fixed to the lamp body by screws.
  • the lamp cap 7 constituting the LED energy-saving lamp is a metal interface
  • the metal interface is a copper-plated nickel high-frequency porcelain E-27 screw base or any other standard form of the lamp cap, and the inner side of the interface has a thread structure and a cylindrical shape.
  • the bottom end thread structure of the insulating seat 6 is matched and then riveted along its circumference.
  • the utility model has the LED energy-saving lamp with the heat dissipation channel, and the LED energy-saving lamp with the heat dissipation channel is compared with the traditional type of energy-saving lamp, the LED energy-saving lamp is a new environmentally-friendly, high-efficiency, safer and more reliable lighting lamp with light Soft color, bright, colorful, low loss, low energy consumption, green environmental protection and other characteristics, widely used in public places such as shopping malls, art centers, entertainment facilities and other local concentrated lighting.

Description

具有散热通道的 LED节能灯
技术领域 本实用新型涉及一种节能灯， 尤其涉及一种用功率型发光二极管作为照明光源的 LED节能灯， 属于半导体照明技术领域。
背景技术 以发光二极管 （LED ) 为光源的节能灯凭借低功耗、 可靠性高、 可控性良好、 寿 命长的特点逐渐开始占据市场。 其中， 意替代白炽灯泡、 灯泡型荧光灯等传统灯泡， 近来更是备受关注； 按照 LED寿命计算的灯泡的单位时间价格已经与传统灯泡相当， 因此， 有望在普通家庭中广泛使用。
通常来说， 技术方案有以下几种方式， 从光源上可以分为， 选用小功率发光管或 大功率发光管， 大功率的发光管又可以分为单颗和集成封装的两种方式， 散热灯体材 质一般为铝质散热器。 实践证明， 小功率发光管具有成本低的优势， 但光衰明显， 寿 命很低， 并且用的数量太多， 生产加工不方便， 逐渐被市场所淘汰， 而釆用集成芯片 的 LED光源封装，平均照度值低， 出光效率低； 此外， 由于其中心热量大并且很集中， 往往出现散热不及时， 瞬间温度会超过 LED的内部结温， 将导致 LED 失效； 另外， 在结构设计上， 一般方案是通过散热片、 铝基板这方面来緩减 LED产生的热量， 此种 条件下能把温度控制在 LED芯片结点温度以下，但如果持续提高光源的功率，很难以 保证 LED预期的使用寿命。 而 LED灯具创新设计是个整体工程， 包括它的散热、 光 学、 结构设计、 外观设计， 其中， 散热是整个设计中的重点， 产品要想立足于市场， 还需要具有更高的散热能力， 降低整个灯具的热阻， 优化外壳散热方式， 提供有效的 散热通道是 LED作为光源必须考虑的重要技术问题。 发明内容 本实用新型的目的是提供一种具有散热通道的 LED节能灯，使用 1W以上的功率 型发光二极管作为 LED光源组件， 解决传统方式的结构及灯体散热的问题， 并提供一 种结构设计简单、 散热良好、 低成本、 使用寿命更长的 LED节能灯， 推动 LED节能 技术的应用和实施。 本实用新型的目的， 将通过以下技术方案得以实现：
具有散热通道的 LED节能灯， 包括出光灯罩、 LED光源组件、 内壳体散热器、 外壳体散热器、 驱动电源， 绝缘座及灯头， 其中所述 LED光源组件为贴装于金属基电 路板表面的大功率发光二极管， 所述灯罩嵌接于内壳体散热器顶部， 所述内壳体散热 器顶部设有平底凹槽形状的导热圆台， 且内壳体散热器中心形成柱状腔体， 一体化装 配的驱动电源及绝缘座插置于柱状腔体内， 且所述内壳体散热器底端与绝缘座相接， 其特征在于： 所述 LED光源组件的金属基电路板装接于内壳体散热器的导热圆台上， 所述外壳体散热器以壁面非接触地套接于内壳体散热器外， 而且所述外壳体散热器底 部周围均匀分布设有散热通气孔， 而内壳体散热器导热圆台下部设有两条以上通气凹 槽， 柱状腔体通过通气凹槽及通气孔构成的散热通道与外界相连通。
进一步地， 前述的具有散热通道的 LED节能灯， 其中：
该 LED光源组件是指功率 1W以上、单色或复色的发光二极管贴装于金属基线路 板上形成的发光组件， 其中所述发光二极管的结构形式包括单独封装或集成封装， 且 所述 LED光源组件的出光口与灯罩相对应；
该外壳体散热器表面所设散热通气孔呈任意几何形状， 沿圆周单排排列或多排平 行排列；
该灯罩为透光率在 95 %以上的玻璃、 树脂或 PC材料的混合物， 且其形状至少包 括半球形、 球柱形、 圆柱形、 棱柱形， 各种形状的灯罩内壁为磨砂表面或设有增光涂 层；
该内壳体散热器导热圆台外周设有一用于装配及固定灯罩的凹槽， 所述凹槽侧壁 及灯罩底缘设有相匹配的螺纹， 两者相螺接； 该导热圆台表面设有定位螺孔， LED光源组件通过紧固螺钉固接在内壳体散热器 的导热圆台表面上；
该绝缘座为圆柱形结构， 一端设有半圆形的开口， 驱动电源装设于所述开口之中， 且所述内壳体散热器底部设有一个以上的螺孔， 所述绝缘座通过螺钉固接于所述内壳 体散热器底部。
该构成 LED节能灯的灯头为金属接口，所述金属接口的结构形式为铜镀镍高频瓷 E-27螺口灯头或任意标准形式的灯头， 与绝缘座底端螺接铆合。 本实用新型与传统白炽灯管或荧光灯管的照明器具， 具有如下的优势：
( 1 )本实用新型是结构简单、 附件很少， 耐冲击、 耐振动， 工作安全可靠， 产品 成本低；
( 2 )本实用新型通过在壳体散热器外表面设置散热孔直接与内部光源的柱状腔体 导通， 提供有效散热通道， 避免传统的封闭式结构， 只靠外部散热器散热的局限， 有 效解决了 LED散热问题；
( 3 )该种压铸型 LED节能灯釆用低压供电， 不需要高压绝缘的成本设计， 还具 有光色柔和、 艳丽、 丰富多彩、 绿色环保等人性化优点；
( 4 ) 节能灯通用标准灯头组件， 可选择 GU、 E、 MR标准连接灯头组件， 可以 直接引入交流市电或者低压电源恒流给 LED供电， 其工作电压低、 耗电量少， 节能效 果显著。 附图说明 图 1是本实用新型压铸型 LED节能灯一实施例的立体结构组装示意图； 图 2是图 1所示实施例的结构剖面示意图；
图 3是体 1所示实施例组装完成后的立体示意图。
其中： 1 ~出光灯罩、 2 ~ LED光源组件、 3 ~内壳体散热器、 4 ~外壳体散热器、 5 ~驱动电源、 6 ~绝缘座、 7 ~灯头组件、 8 ~ LED发光二极管、 9 ~金属基线路板。 具体实施方式 如图 1所示的该压铸型 LED节能灯一实施例的立体结构组装示意图， 其包括： 出 光灯罩 1、 LED光源组件 2、 内壳体散热器 3、 外壳体散热器 4、 驱动电源 5 , 绝缘座 6、 灯头组件 7。 其中： 所述的 LED光源组件位于内壳体散热器 3内腔中， 大功率发 光二极管 8贴装于金属基电路板 9表面， 构成 LED光源组件，金属基电路板 9的底端 固定连接有呈杯状的内壳体散热器 3 , 内壳体散热器 3外部还壁面非接触地装有一杯 状外壳体散热器 4, 内、 外壳体散热器为铝质或者合金材料， 所述外壳体散热器 4底 部周围均匀分布散热通气孔， 内壳体散热器杯口处有若干通气凹槽， 所述散热通气孔 呈条形、 圆形、 方形、 菱形等， 也可为其他可用形状， 散热孔底部直接与腔体内光源 腔相连通， 构成了该灯体的散热通道， 便于空气对流导通， 而所述腔体顶部设有平底 凹槽形状的导热圆台， LED光源组件 2固接于平底导热圆台表面， 导热圆台表面具有 定位螺孔， 通过紧固螺钉固定在壳体散热器上， 且所述灯罩嵌接于内壳体散热器 3顶 部四周的凹槽内； 所述灯体散热结构的中心设有柱状腔体， 所述一体化装配的驱动电 源 5及绝缘座 6插置于柱状腔体内， 其中绝缘座 6与内壳体散热器 3底部相固接； 所 述灯头组件 7装接于绝缘座 6下端口之上， 与金属的灯体绝缘相隔、 固定。
该 LED光源组件是由 1W或以上功率、单色或混色的发光二极管 8与金属基线路 板 9构成， 并且该发光二极管 8以单颗封装或集成封装的形式通过导热硅脂贴装在金 属基线路板 9上面构成， LED光源组件 2的出光口设有灯罩 1 , LED光源组件 2嵌 设在内壳体散热器 3顶部凹槽结构之中固定。
该灯体内壳体散热器 3上部具有一凹槽结构的导热圆台， 导热圆台四周具有圆环 型凹槽， 所述 LED光源组件 2的金属基线路板 9固定在导热圆台内。 圆环型凹槽上固 定有灯罩 1 , 该灯罩 1通常其形状可以为半球形、 球柱形、 圆柱形、 棱柱形， 并且灯 罩内壁可设有增光涂层或者磨^、处理；灯罩 1由透光率在 95 %以上的玻璃、树脂或 PC 材料的混合物制成。 所述灯罩 1不仅防碎、 防尘、 抗老化， 而且具有磨砂效果， 出光 均匀柔和， 出光率高， 安全可靠。 灯罩 1通过胶体连接方式固定在内壳体散热器 3胶 槽中， 胶槽结构不仅方便灯罩 1的固定， 而且也防止用于连接固定的胶体过多溢出， 因此， 安装和维护更加方便。
该内、 外壳体散热器通常为铝质或者合金材料， 通过压铸、 切削、 表面处理等机 械方式作进行加工； 散热器一端外沿周围均匀分布有若干个散热孔， 散热孔形状呈条 形、 圆形、 方形、 菱形等， 也可为其他可用形状， 分布和排列方式可以单排或多排， 散热孔底部直接与腔体内光源腔相连通， 外表面经喷砂氧化和抛光处理工艺， 增强散 热， 使散热效果更好。
所述绝缘座 6为圆柱形结构， 且其腔体内压铸形成有一插槽， 所述驱动电源 5插 置于插槽内定位。 所述驱动电源 5具有长方形的印制电路底板， 所述圆柱形绝缘座 6 一端设有一个半圆形开口， 绝缘座 6通过螺钉固接于灯体上。
更进一步地， 该构成 LED节能灯的灯头 7为金属接口， 且该金属接口为铜镀镍高 频瓷 E-27螺口灯头或其它任意标准形式灯头，接口内侧具有螺纹结构， 并与圆柱形绝 缘座 6底端螺纹结构相配合后沿其圆周铆接。
本实用新型具有散热通道的 LED节能灯， 上述具有散热通道的 LED节能灯与传 统类型的节能灯相比， LED节能灯是一种新型的环保、 高效、更安全可靠的照明灯具， 且具有光色柔和、 艳丽、 丰富多彩、 低损耗、 低能耗， 绿色环保等特性， 广泛应用于 公共场所如商场、 艺术中心、 娱乐设施等和家庭的局部集中照明。
综上所述， 是本实用新型具有散热通道的 LED节能灯的优选实施方式， 在本领域 内对该技术方案进行的通常变化和替换都应包括在本专利申请的保护范围内。

Claims

权 利 要 求
1. 具有散热通道的 LED节能灯， 包括出光灯罩、 LED光源组件、 内壳体散热器、 外壳体散热器、 驱动电源， 绝缘座及灯头， 其中所述 LED光源组件为贴装于金属基电 路板表面的大功率发光二极管， 所述灯罩嵌接于内壳体散热器顶部， 所述内壳体散热 器顶部设有平底凹槽形状的导热圆台， 且内壳体散热器中心形成柱状腔体， 一体化装 配的驱动电源及绝缘座插置于柱状腔体内， 且所述内壳体散热器底端与绝缘座相接， 其特征在于： 所述 LED光源组件的金属基电路板装接于内壳体散热器的导热圆台上， 所述外壳体散热器以壁面非接触地套接于内壳体散热器外， 而且所述外壳体散热器底 部周围均匀分布设有散热通气孔， 而内壳体散热器导热圆台下部设有两条以上通气凹 槽， 柱状腔体通过通气凹槽及通气孔构成的散热通道与外界相连通。
2. 根据权利要求 1所述的具有散热通道的 LED节能灯， 其特征在于： 所述 LED 光源组件是指功率 1W以上、单色或复色的发光二极管贴装于金属基线路板上形成的发 光组件， 其中所述发光二极管的结构形式包括单独封装或集成封装， 且所述 LED光源 组件的出光口与灯罩相对应。
3. 根据权利要求 1所述的具有散热通道的 LED节能灯， 其特征在于： 所述外壳体 散热器表面所设散热通气孔呈任意几何形状， 沿圆周单排排列或多排平行排列。
4. 根据权利要求 1所述的具有散热通道的 LED节能灯， 其特征在于： 所述灯罩为 透光率在 95 %以上的玻璃、 树脂或 PC材料的混合物， 且其形状至少包括半球形、 球 柱形、 圆柱形、 棱柱形， 各种形状的灯罩内壁为磨 、表面或设有增光涂层。
5. 根据权利要求 1所述的具有散热通道的 LED节能灯， 其特征在于： 所述内壳体 散热器导热圆台外周设有一用于装配及固定灯罩的凹槽， 所述凹槽侧壁及灯罩底缘设 有相匹配的螺纹， 两者相螺接。
6. 根据权利要求 1所述的具有散热通道的 LED节能灯， 其特征在于： 所述导热圆 台表面设有定位螺孔， LED光源组件通过紧固螺钉固接在内壳体散热器的导热圆台表 面上。
7. 根据权利要求 1所述的具有散热通道的 LED节能灯， 其特征在于： 所述绝缘座 为圆柱形结构， 一端设有半圆形的开口， 驱动电源装设于所述开口之中， 且所述内壳 体散热器底部设有一个以上的螺孔， 所述绝缘座通过螺钉固接于所述内壳体散热器底 部。
8. 根据权利要求 1所述的具有散热通道的 LED节能灯， 其特征在于： 所述构成 LED节能灯的灯头为金属接口， 所述金属接口的结构形式为铜镀镍高频瓷 E-27螺口灯 头或任意标准形式的灯头， 与绝缘座底端螺接铆合。
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