WO2012075635A1 - Led灯及其散热结构 - Google Patents

Led灯及其散热结构 Download PDF

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Publication number
WO2012075635A1
WO2012075635A1 PCT/CN2010/079606 CN2010079606W WO2012075635A1 WO 2012075635 A1 WO2012075635 A1 WO 2012075635A1 CN 2010079606 W CN2010079606 W CN 2010079606W WO 2012075635 A1 WO2012075635 A1 WO 2012075635A1
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WO
WIPO (PCT)
Prior art keywords
heat sink
heat dissipation
led lamp
heat
hole
Prior art date
Application number
PCT/CN2010/079606
Other languages
English (en)
French (fr)
Inventor
彭青林
彭春明
Original Assignee
深圳市蓝旗照明有限公司
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
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Application filed by 深圳市蓝旗照明有限公司 filed Critical 深圳市蓝旗照明有限公司
Priority to PCT/CN2010/079606 priority Critical patent/WO2012075635A1/zh
Publication of WO2012075635A1 publication Critical patent/WO2012075635A1/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
    • F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
    • F21V29/745—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades the fins or blades being planar and inclined with respect to the joining surface from which the fins or blades extend
    • 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
    • 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
    • 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
    • F21V29/85—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems characterised by the material
    • F21V29/89—Metals
    • 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 utility model relates to an LED lamp and a heat dissipating structure thereof, in particular to an LED lamp with high heat dissipation performance and a heat dissipating structure thereof.
  • the existing LED lamp mainly radiates heat through the heat sink.
  • a heat sink is arranged on the outer surface of the heat sink of the LED lamp to increase the heat dissipation area and improve the heat dissipation performance.
  • the conventional heat sink surface is not provided with a heat dissipation hole, and the air inside and outside the heat sink cannot achieve good convection.
  • the LED light continues to work for a long time. Since the LED and other components on the LED lamp continue to dissipate heat, the air temperature inside the heat sink Continued rise, resulting in poor heat dissipation performance, low heat dissipation efficiency; and because the heat sink on the heat sink is located in the book
  • the outer surface of the heat exchanger has a large external volume and takes up space.
  • the connection and fastening methods of the main components of the LED lamp are mostly bonded, which is not convenient for disassembly, replacement and maintenance.
  • An LED lamp heat dissipation structure is provided to enhance the circulation of air inside and outside the radiator to improve heat dissipation performance and efficiency.
  • An LED lamp which has good heat dissipation performance, and has a small external volume, avoids occupying more space, and is convenient for disassembly, replacement and maintenance of the LED lamp.
  • a heat dissipation structure of an LED lamp mainly comprises a lamp head, a power box, a partition plate, a heat sink provided with a heat sink, and an end cover, which are sequentially connected, wherein the heat sink is The upper and lower through cylinders have more than one heat dissipation hole on the side of the heat sink, and the lamp head, the partition plate and the end cover are provided with heat dissipation holes.
  • the heat dissipation holes are circular, circular or polygonal, and the heat dissipation holes are disposed at a lateral or longitudinal distance along each surface of the heat sink circumference.
  • a middle of the heat sink is provided with a through hole penetrating vertically, and a plurality of fins are disposed on the inner wall of the through hole.
  • the heat sink is integrally formed from an inner wall of the through hole of the heat sink, and the heat dissipation The heat sheets are disposed at an axially spaced distance on the inner wall of the through hole.
  • the heat sink has an elongated shape, and the heat sink has a cross-sectional shape that is linear or curved. Further, the heat sink is a cylinder or a polygonal prism that penetrates the upper and lower sides in the middle.
  • the heat sink is aluminum, copper or steel.
  • an LED lamp mainly comprises a lamp head, a power box, a partition plate, a radiator provided with a heat sink, an end cover, and a power supply box, which are sequentially connected
  • the lighting circuit control system and the light bar are the upper and lower through holes, and more than one heat dissipation hole is opened on the side of the heat sink, and the lamp head, the partition plate and the end cover are provided with heat dissipation holes.
  • a middle of the heat sink is provided with a through hole penetrating vertically, and a plurality of fins are disposed on the inner wall of the through hole.
  • the heat sink is integrally formed from the inner wall of the heat sink through hole, and the heat sink is disposed on the inner wall of the through hole at an axially spaced interval, and the heat sink is elongated, and the heat sink has a cross-sectional shape. It is linear or curved.
  • the utility model has the beneficial effects that: the plurality of heat dissipation holes are arranged at intervals on each surface of the heat sink circumference of the LED lamp, and the heat dissipation holes are also provided on the lamp head, the partition plate and the end cover, thereby enhancing the interior of the LED lamp
  • the external air convection effectively improves the heat dissipation performance and the heat dissipation efficiency is high.
  • a plurality of heat sinks are arranged at intervals along the axial circumference of the heat sink inner wall, which can also increase the heat dissipation area, enhance the heat dissipation effect, and reduce the shape of the LED light.
  • the volume avoids occupying too much space, which is more conducive to the installation of the LED lamp in a place with a small effective space.
  • connection of the main parts of the LED lamp, the power supply box, the partition plate, the radiator and the light bar and the end cover thereon are connected.
  • the fastening method adopts caliper type, screw type or screw connection, and the operation of installation, disassembly, maintenance and replacement between major components is free and convenient.
  • Figure 1 is a perspective view of an LED lamp of the present invention.
  • Figure 2 is an exploded view of the LED lamp of the present invention.
  • Figure 3 is a cross-sectional view of the LED lamp of the present invention.
  • Figure 4 is a perspective view of the heat sink of the LED lamp of the present invention.
  • FIG. 5 is a plan view of the heat sink of the LED lamp of the present invention. detailed description
  • the utility model provides an LED lamp heat dissipation structure, which mainly comprises a lamp head 1, a power box 2 for accommodating a lighting circuit control system, a partition plate 3, a radiator 4, and an end cover 5.
  • the base 1, the power box 2, the partition 3, the heat sink 4, and the end cover 5 are sequentially connected to form a housing of the LED lamp.
  • the respective components may be connected by screw connection, snap-in, adhesive or screw connection, for example: between the partition 3 and the heat sink 4 and between the end cover 5 and the heat sink 4 by screws
  • the partition between the partition and the power box 2 is screwed, and the base 1 and the power box 2 are snap-fitted or bonded.
  • the lamp cap 1 has a conical shape, and a top portion is provided with a joint for connecting to the base of the lamp cap.
  • the joint may be a screw joint, and the size may be M27, M40, etc.; the joint may also be a bayonet joint.
  • the base 1 is made of an engineering plastic, and a plurality of heat dissipation holes 11 are formed in the tapered surface of the base 1.
  • the power box 2 has a cylindrical shape and is made of an aluminum alloy material. One end of the power box 2 is stuck or bonded to the base 1 and the other end is screwed to the partition 3, and the inside of the power box 2 is used for accommodating the lighting circuit control system of the LED lamp.
  • the partition plate 3 and the heat sink 4 are fixed by screws, and the partition plate 3 is a circular cover, which is made of an aluminum alloy material, and a heat dissipation hole 31 is opened in the middle of the partition plate 3.
  • the end cover 5 is fastened to the heat sink 4 by screws, and has a substantially circular cover shape, and a heat dissipation hole 51 is formed in the middle portion to facilitate air entering the heat sink.
  • the end cover 5 can be the same as or different from the heat sink.
  • Made of materials with good heat dissipation properties for example: Made of aluminum alloy.
  • the heat sink 4 can be designed as a cylindrical or hexagonal prism, an octagonal prism or the like, and the heat sink 4 is preferably made of an aluminum alloy. Of course, copper, steel, etc. can also be used. Made of other materials with good heat dissipation properties.
  • a plurality of recesses 44 are defined in the side of the heat sink.
  • the recesses 44 on the side of the heat sink 4 are provided with screw holes 45 for mounting the light strips 6 provided with the LED lighting assemblies 61.
  • the light strips 6 are fixed by means of screws.
  • the screw can be unscrewed, and the operations of installation, maintenance, replacement, etc. are convenient; the LED lighting component 61 on the light bar 6 and the circuit control system in the power box 2
  • the electronic components constitute the lighting circuit.
  • a plurality of heat dissipation holes 41 are disposed on the side surface of the heat sink 4. Referring to FIG. 4, the heat dissipation holes 41 on the side surfaces of the heat sink are arranged at a lateral or longitudinal distance along each circumference of the heat sink 4.
  • the hole is circular, of course, The hole may also be a circular or polygonal hole.
  • the heat sink 4 is internally provided with a through hole 43 extending through the upper and lower sides.
  • the inner wall of the through hole 43 is provided with a plurality of fins 42 extending toward the axis of the through hole.
  • the heat sink 4 and the heat sink thereon are disposed. 42 is integrated into one by extrusion process.
  • the heat sink 42 is disposed on the inner wall of the through hole 43 in the middle of the heat sink 4 along the axial circumference, which saves space, and the LED lamp has a compact structure; at the same time, the heat sink 42 is at a certain distance from the axis of the heat sink to ensure a certain distance.
  • the radiator 4 is vertically penetrated to facilitate the flow of air inside the radiator 4.
  • the fins 42 on the inner wall of the radiator 4 are elongated, the cross-sectional shape of the fins 42 is straight or curved, and the plurality of fins 42 greatly increase the radiator.
  • the heat dissipation area of 4 and the gap between the heat sinks 42 form a path of air convection, which effectively increases the heat dissipation speed.
  • the end surface of the heat sink 4 is provided with a screw hole 46 for fixing the partition plate 3 with the screw or the cover 5
  • the heat sink 4 can greatly improve the heat dissipation efficiency of the LED lamp.
  • the heat dissipation hole 11 is opened in the lamp holder 1, the heat dissipation hole 31 is opened in the partition plate 3, and the heat dissipation hole 51 is also formed in the end cover 5, A part of the heat emitted by the LED lamp can also be dissipated through the heat dissipation hole 11, the heat dissipation hole 31 or the heat dissipation hole 51, and the overall heat dissipation performance is good.
  • the present invention also provides an LED lamp based on the above heat dissipation structure, the LED lamp comprising the above heat dissipation structure and a circuit control system disposed in the power supply box 2 and a light bar 6 disposed in the recess of the heat sink 4.
  • the LED lighting component 61 on the light bar 6 is connected to the circuit control system, and the circuit control system supplies power to each LED lighting component 61.
  • the lamp head of the LED lamp, the power box, the partition plate, the heat sink and the light bar thereon The connection and fastening methods of the main parts such as the end cover are caliper type, screw type or screw connection, and the installation, disassembly, maintenance and replacement of the main components are free and convenient.

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

Description

LED灯及其散热结构 技术领域
本实用新型涉及一种 LED灯及其散热结构， 尤其是一种具有高效散热性 能的 LED灯及其散热结构。
说 现有的 LED灯主要通过散热器散热， 通常在 LED灯的散热器外表面设 有散热片来增加散热面积， 提升散热性能。 但是， 传统的散热器表面没有设 置散热孔， 散热器内外的空气不能很好地实现对流， LED灯持续工作时间一 长， 由于 LED灯上的 LED等元器件持续散发热量， 散热器内部空气温度持 续上升， 导致散热性能不好， 散热效率低； 且由于散热器上的散热片设在散 书
热器外表面， LED灯的外形体积较大， 占用空间； 另外， LED灯的各主要部 件的连接紧固方式多采用粘结方式， 不便于拆装、 更换和维修。 实用新型内容
本实用新型所要解决的技术问题是： 提供一种 LED灯散热结构， 以增强 散热器内部与外界外空气的流通， 提升散热性能及效率。
本实用新型进一步所要解决的技术问题是： 提供一种 LED灯， 具有良好 的散热性能， 且具有较小的外形体积， 避免占用较多空间， LED 灯拆装、 更 换和维修方便。
为解决上述技术问题， 本实用新型采用如下技术方案： 一种 LED灯散热 结构， 主要包括依次连接的灯头、 电源箱、 隔板、 设置有散热片的散热器、 端盖， 所述散热器为上下贯通的筒体， 在散热器侧面上开有一个以上散热孔， 而且灯头、 隔板以及端盖均设有散热孔。
进一步地， 所述散热孔为圆形、 类圆形或多边形， 该散热孔沿散热器周 圈各面横向或纵向间隔距离设置。
进一步地， 所述散热器中部设有上下贯通的通孔， 所述通孔内壁上设有 若干散热片。
进一步地， 所述散热片是自散热器通孔内壁一体延伸而成的， 且所述散 热片沿轴向间隔间距设置在通孔内壁上。
进一步地， 所述散热片为长条状， 该散热片截面形状为直线形或曲线形。 进一步地， 所述散热器为中部上下贯通的圆柱体或多棱柱体。
进一步地， 所述散热器为铝材、 铜材或钢材。
为解决上述技术问题， 本实用新型还采用另一技术方案： 一种 LED灯， 主要包括依次连接的灯头、 电源箱、 隔板、 设置有散热片的散热器、 端盖、 设于电源箱内的照明电路控制系统以及灯条，所述散热器为上下贯通的筒体， 在散热器侧面上开有一个以上散热孔， 而且灯头、 隔板以及端盖均设有散热 孔。
进一步地， 所述散热器中部设有上下贯通的通孔， 所述通孔内壁上设有 若干散热片。
进一步地， 所述散热片是自散热器通孔内壁一体延伸而成的， 该散热片 沿轴向间隔间距设置在通孔内壁上， 且所述散热片为长条状， 该散热片截面 形状为直线形或曲线形。
本实用新型的有益效果是： 通过在 LED灯的散热器周圈各面上间隔间距 设置多个散热孔， 以及在灯头、 隔板及端盖上同样设置散热孔， 增强了 LED 灯的内部与外界的空气对流， 有效提升了散热性能， 散热效率高， 而在散热 器内壁沿轴向周圈间隔间距设置多个散热片， 也可增加散热面积， 增强散热 效果， 而且可减小 LED灯外形体积， 避免占用过大空间， 更利于 LED灯安装 于有效空间较小的场合； 另外， LED 灯的灯头、 电源箱、 隔板、 散热器及其 上的灯条、 端盖等主要部件的连接紧固方式采用的是卡钳式、 螺合式或螺钉 连接， 各主要部件之间安装拆卸、 维修更换等操作自由方便。
下面结合附图对本实用新型作进一步的详细描述。 附图说明
图 1是本实用新型 LED灯的立体图。
图 2是本实用新型 LED灯的分解图。
图 3是本实用新型 LED灯的剖面图。
图 4是本实用新型 LED灯的散热器的立体图。
图 5是本实用新型 LED灯的散热器的俯视图。 具体实施方式
如图 1至图 5所示， 本实用新型提供一种 LED灯散热结构， 主要包括灯 头 1、 用于容置照明电路控制系统的电源箱 2、 隔板 3、 散热器 4、 端盖 5。
参照图 1至图 3所示， 所述灯头 1、 电源箱 2、 隔板 3、 散热器 4以及端 盖 5依次连接而形成所述 LED灯的壳体。各相应部件之间可以是以螺紋连接 方式、 卡嵌方式、 粘接或螺钉连接方式进行连接， 例如： 隔板 3 与散热器 4 之间以及端盖 5与散热器 4之间以螺钉锁固， 而隔板与电源箱 2之间则是以 螺紋连接， 灯头 1与电源箱 2之间卡嵌连接或者粘接。
所述灯头 1为圆锥状， 其顶部设有用于连接于灯头座上的接头， 所述接 头可以是螺口接头， 尺寸规格可为 M27、 M40等； 所述接头也可以是卡口连 接。 所述灯头 1采用的材料为工程塑料， 在灯头 1的锥面上开有多个散热孔 11。
所述电源箱 2呈圆筒状， 采用铝合金材料。 电源箱 2的一端与灯头 1卡嵌 连接或粘结， 另一端与隔板 3通过螺紋紧合， 电源箱 2内部用于容置 LED灯的 照明电路控制系统。
所述隔板 3与散热器 4用螺钉固定， 隔板 3为圆形盖， 采用铝合金材料， 隔板 3中部开有散热孔 31。
所述端盖 5利用螺钉锁固于散热器 4上， 其大体上呈圆形盖状， 其中部 开有散热孔 51， 便于空气进入散热器内， 端盖 5可采用与散热器相同或不同的 具有良好散热性能的材料制成， 例如： 采用铝合金材料制成。
参照图 4， 所述散热器 4可设计为上下两端贯通的圆柱或六棱柱、 八棱 柱等多棱柱， 所述散热器 4优选采用铝合金材料， 当然， 也可采用诸如： 铜、 钢等其他的散热性能良好的材料制成。
在散热器侧面设有若干个凹槽 44， 散热器 4侧面的凹槽 44上开有螺孔 45，用于安装设有 LED发光组件 61的灯条 6， 该灯条 6借助于螺钉固定于所 述凹槽 44内； 要拆卸灯条时， 拧下螺钉即可， 安装、 维修、 更换等操作均很 方便； 所述灯条 6上的 LED发光组件 61与电源箱 2内的电路控制系统等电 子元器件构成所述照明电路。
在散热器 4的侧面布设有多个散热孔 41， 参照图 4， 散热器侧面的散热 孔 41沿散热器 4周圈各面横向或纵向间隔距离布设； 该孔为圆形， 当然， 该 孔也可为类圆形或多边形孔， 通过开设散热孔 41， 使散热器 4内外的空气形 成良好、 充分的对流， 大幅提高 LED灯的散热效率。
所述散热器 4内部设有上下贯通的通孔 43， 通孔 43 内壁上布设有多片 向通孔轴心延伸的散热片 42， 为便于简化工艺流程， 散热器 4和其上的散热 片 42采用挤压成型工艺做成一体。 该散热片 42是沿轴向周圈均匀布设散热 器 4中部的通孔 43的内壁上， 节省了空间， LED灯结构紧凑； 同时， 散热片 42距散热器轴心线一定的距离， 以保证散热器 4筒体上下贯通， 便于散热器 4内部的空气流动， 散热器 4内壁的散热片 42为长条状， 散热片 42截面形 状为直线或曲线， 多个散热片 42大幅增大散热器 4的散热面积， 散热片 42 间的间隙形成空气对流的路径， 有效提高散热速度。
参照图 5， 散热器 4的端面开有螺孔 46， 用于与螺钉配合固定隔板 3或 立而盖 5
本实用新型采用上述散热器 4能大幅提高 LED灯的散热效率； 另外， 由 于灯头 1上开有散热孔 11， 隔板 3上开有散热孔 31， 端盖 5上也开有散热孔 51， LED灯工作时散发的部分热量也可以通过散热孔 11、 散热孔 31或散热 孔 51散发出去， 整体散热效果性能好。
本实用新型还提供基于上述散热结构的 LED灯， 所述 LED灯包括上述 散热结构以及设于电源箱 2内的电路控制系统以及设置于散热器 4的凹槽内 的灯条 6。所述灯条 6上的 LED发光组件 61与电路控制系统相连， 由电路控 制系统为各 LED发光组件 61供电； 另外， LED灯的灯头、 电源箱、 隔板、 散 热器及其上的灯条、 端盖等主要部件的连接紧固方式采用的是卡钳式、 螺合 式或螺钉连接， 各主要部件之间安装拆卸、 维修更换等操作自由方便。
以上所述是本实用新型的具体实施方式， 应当指出， 对于本技术领域的 普通技术人员来说， 在不脱离本实用新型原理的前提下， 还可以做出若干改 进和润饰， 这些改进和润饰也视为本实用新型的保护范围。

Claims

权 利 要 求 书
1. 一种 LED灯散热结构， 主要包括依次连接的灯头、 电源箱、 隔板、 设 置有散热片的散热器及端盖， 其特征在于： 所述散热器为上下贯通的筒体， 在散热器侧面上开有一个以上散热孔， 灯头、 隔板以及端盖均设有散热孔。
2. 如权利要求 1所述的 LED灯散热结构， 其特征在于： 所述散热孔为圆 形、 类圆形或多边形， 该散热孔沿散热器周圈各面横向或纵向间隔距离设置。
3. 如权利要求 1或 2所述的 LED灯散热结构， 其特征在于：所述散热器 中部设有上下贯通的通孔， 所述通孔内壁上设有若干散热片。
4. 如权利要求 3所述的 LED灯散热结构， 其特征在于： 所述散热片自散 热器通孔内壁一体延伸而成， 且所述散热片沿轴向间隔间距设置在通孔内壁 上。
5. 如权利要求 3所述的 LED灯散热结构， 其特征在于： 所述散热片为长 条状， 该散热片截面形状为直线形或曲线形。
6. 如权利要求 1所述的 LED灯散热结构， 其特征在于： 所述散热器为 中部上下贯通的圆柱体或多棱柱体。
7. 如权利要求 1所述的 LED灯散热结构， 其特征在于： 所述散热器为铝 材、 铜材或钢材。
8. 一种 LED灯， 主要包括依次连接的灯头、 电源箱、 隔板、 设置有散 热片的散热器、 端盖、 设于电源箱内的照明电路控制系统以及灯条， 其特征 在于： 所述散热器为上下贯通的筒体， 在散热器侧面上开有一个以上散热孔， 而且灯头、 隔板以及端盖均设有散热孔。
9. 如权利要求 8所述的 LED灯， 其特征在于： 所述散热器中部设有上 下贯通的通孔， 所述通孔内壁上设有若干散热片。
10. 如权利要求 9所述的 LED灯， 其特征在于： 所述散热片自散热器通 孔内壁一体延伸而成的， 该散热片沿轴向间隔间距设置在通孔内壁上， 且所 述散热片为长条状， 该散热片截面形状为直线形或曲线形。
PCT/CN2010/079606 2010-12-09 2010-12-09 Led灯及其散热结构 WO2012075635A1 (zh)

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