WO2013063963A1 - Heat sink and lighting device having same - Google Patents

Heat sink and lighting device having same Download PDF

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Publication number
WO2013063963A1
WO2013063963A1 PCT/CN2012/079122 CN2012079122W WO2013063963A1 WO 2013063963 A1 WO2013063963 A1 WO 2013063963A1 CN 2012079122 W CN2012079122 W CN 2012079122W WO 2013063963 A1 WO2013063963 A1 WO 2013063963A1
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WO
WIPO (PCT)
Prior art keywords
heat
heat sink
heat dissipation
base
heat dissipating
Prior art date
Application number
PCT/CN2012/079122
Other languages
French (fr)
Chinese (zh)
Inventor
黄硕
Original Assignee
深圳市电明科技有限责任公司
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Filing date
Publication date
Application filed by 深圳市电明科技有限责任公司 filed Critical 深圳市电明科技有限责任公司
Publication of WO2013063963A1 publication Critical patent/WO2013063963A1/en

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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
    • 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
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

Definitions

  • the invention belongs to the field of LED technology, and in particular relates to a heat sink and an illumination device having the same. Background technique
  • FIG. 1 is a schematic structural view of the prior art LED lamp radiator, and the surface-shaped heat dissipating teeth 1 of the radiator are first formed by the aluminum extrusion profile surface. Then, through the later machine forming, the LED bulb 2 is disposed in the heat dissipating tooth 1.
  • the structure of the prior art LED heat sink has the following problem: The radiator needs to occupy most of the volume of the whole lamp, and is limited in size. The bubble source is low in space utilization, which limits the function. At the same time, the cross section of the radiator is too large to block the light reflected and refracted toward the rear of the lamp.
  • the object of the present invention is to provide a heat sink, which aims to solve the problem that the existing LED bulb light source heat dissipation device is too large, the heat dissipation efficiency is not high, and the backward light is blocked. It is not easy to clean, the tip of the radiator is sharp, and the safety is poor.
  • the present invention is achieved by a heat sink comprising a heat dissipating tooth and a heat dissipating base, wherein the heat dissipating base is a columnar body, and the heat dissipating tooth is radially extended along an outer wall surrounding the first surface of the heat dissipating base.
  • the heat dissipating tooth edge is a closed structure, and the heat dissipating teeth are provided with a plurality of heat dissipating holes.
  • the distance from the heat dissipating tooth to the central axis gradually increases along the radial extension direction thereof.
  • the heat dissipating tooth is an integrated cast molding structure.
  • the heat dissipation hole includes a first heat dissipation hole and a second heat dissipation hole, and the first heat dissipation hole and the second heat dissipation hole are disposed adjacent to each other.
  • the heat dissipating teeth comprise at least three elliptical shapes, and two elliptical shapes spaced apart from each other are circumscribed along a common tangent line with the adjacent elliptical inner shape between the two elliptical shapes, the first The louver and the second louver are formed by at least three elliptical interactions.
  • a joint portion for mounting the lamp cover is radially extended along a periphery of the outer wall of the first surface of the heat dissipation base, and an end surface of the joint portion is convexly disposed on the first surface of the heat dissipation base, and the joint portion is The inner diameter is slightly larger than the diameter of the heat sink base.
  • the heat sink further comprises an insulating spacer mounting structure along the second surface of the heat dissipation base, wherein the insulating spacer mounting structure is a card slot.
  • the heat dissipation base is provided with a first positioning hole, a second positioning hole and a wire hole.
  • Another object of the present invention is to provide a lighting device including a heat sink, a lamp cap and an insulating spacer, and an aluminum substrate, wherein the insulating spacer is inserted into the card slot at one end, and the insulating spacer The other end surface is provided with a thread matching the lamp cap, and the lamp cap and the heat sink are insulated The spacer is fixedly connected, and the aluminum substrate is fixedly connected to the heat sink, and the heat sink is the aforementioned heat sink.
  • the lighting device further includes a lamp cover, and the lamp cover and the heat sink are fastened and connected by a joint portion disposed on the heat sink.
  • the lighting device is an LED bulb device.
  • the technical solution disclosed by the invention reduces the volume of the heat sink and increases the light design space in the case of effectively solving the heat dissipation of the high-power LED lamp.
  • the problem that the radiator occludes the rear part of the light is solved, so that the illumination angle of the whole lamp is larger.
  • the closed strip radiator design solves the safety hazard caused by the sharp angle of the radiator itself while solving the dust cleaning.
  • the appearance of the heat sink provided by the invention is also relatively beautiful.
  • FIG. 1 is a schematic structural view of an LED heat sink provided by the prior art
  • FIG. 2 is a schematic structural view of a heat sink according to an embodiment of the present invention.
  • Figure 3 is a cross-sectional view of Figure 2;
  • FIG. 4 is a schematic structural view of a lighting device according to an embodiment of the present invention.
  • FIG. 3 is a cross-sectional view of FIG. 2.
  • a heat sink disclosed in this embodiment includes a heat dissipating tooth 1 and a heat dissipating base 7.
  • the heat dissipation base 7 is a columnar body having a circular cross section, and the heat dissipation base 7 is provided with a first positioning hole 2, and the heat sink is separated from the insulation.
  • a second positioning hole 6 is further disposed on the heat dissipation base for connecting the aluminum substrate and the heat sink, and heat conduction is achieved by filling a gap between the aluminum substrate by a layer of thermal conductive silica gel or a grease pad. The heat on the aluminum substrate is well introduced into the heat sink.
  • the heat dissipation base 7 has a wire hole 4.
  • the outer wall of the first surface of the first surface is radially extended, and the edge of the heat dissipating tooth 1 is a closed structure, and the plurality of first heat dissipation holes 101 and the second heat dissipation holes 102 are disposed on the heat dissipating teeth 1.
  • the first heat dissipation holes 101 and the second heat dissipation holes 102 are disposed adjacent to each other.
  • the distance from the heat dissipating tooth 1 to the central axis of the heat sink base 7 gradually increases in the direction in which it extends in the radial direction.
  • the heat dissipating tooth 1 includes at least three elliptical shapes, and two elliptical shapes spaced apart from each other are tangent to the common ellipsoid inside the adjacent elliptical shape between the two elliptical shapes, the first heat dissipating hole 101 and the second heat dissipating hole 102 is formed by at least three elliptical interactions.
  • six alternating elliptical shapes are preferably provided on the heat dissipating teeth.
  • the overall shape of the heat dissipating teeth 1 is in the shape of a flower basket. Moreover, the heat dissipating teeth 1 are integrally formed by a casting process.
  • a joint portion 5 for mounting the lamp cover is disposed radially around the outer wall of the first surface of the heat dissipation base 7.
  • the end surface of the joint portion 5 is convexly disposed on the first surface of the heat dissipation base 7, and the inner diameter of the joint portion 5 is slightly larger than The diameter of the heat dissipation base 7.
  • An insulating spacer mounting structure 8 is disposed along the second surface of the heat sink base 7. Generally, the insulating spacer mounting structure 8 is a card slot.
  • the heat sink in this embodiment is used in combination with an LED lamp.
  • the LED lamp is mounted on the aluminum substrate, and the aluminum substrate is fixed on the heat dissipation base of the heat sink.
  • the joint on the LED can be used to install the lamp cover.
  • the light is broken up. Make the light soft and even.
  • the lampshade and the heat sink are connected by a threaded structure, which is easy to clean and replace. At the same time, it can also be glued and bonded to the glass lampshade.
  • the heat dissipating tooth 1 has a hollow structure, and the rear light can pass through a large area. Solve the problem that most ordinary LED bulbs are blocked by the radiator, there is no light behind the lamp, the background is too dark, and the front is too bright. happening. At the same time, the section of the heat dissipating tooth 1 tends to be elliptical, and the appearance is simple, which is convenient for cleaning. The entire radiator has no sharp corners, ensuring the safety of use and installation.
  • the lighting device disclosed in the present invention comprises a lamp cap A, an insulating spacer B, a heat sink C, and an aluminum substrate D.
  • the structure of the heat sink C has been described in detail in the previous embodiment, and details are not described herein.
  • the insulating spacer B-end is inserted into the slot of the heat sink C, and the other end surface is provided with a thread matched with the lamp cap A.
  • the lamp cap A and the heat sink C are fixedly connected by the insulating spacer B, and the aluminum substrate D passes the second positioning.
  • the hole 6 is fixedly connected to the heat sink.
  • the LED lamp is mounted on the aluminum substrate.
  • a lamp cover E can be arranged on the lighting device.
  • the lampshade E and the heat sink C are fastened by a joint provided on the heat sink, for example, by screwing, or by glue bonding, and of course, by other means. .
  • the proportion of the traditional heat sink occupying the entire lamp volume is excessively large, the shading, the sharp corner of the appearance are sharp, the mechanical processing is complicated, and the like. Provides strong support for better light design for light source lighting products.

Landscapes

  • 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

A heat sink (C), including a heat dissipation base (7) and a heat dissipation tooth (1). The heat dissipation base (7) is a columnar body. The heat dissipation tooth (1) is provided by radially extending along the outer wall surrounding a first surface of the heat dissipation base (7). The edge of the heat dissipation tooth (1) is a closed structure and the heat dissipation tooth (1) is provided thereon with a plurality of heat dissipation holes (101, 102). A lighting device, including the heat sink (C). The heat sink (C) is small in volume and does not shield the light rays emitted by the lighting device backwardly, which is simple in structure, convenient and safe in use with good heat dissipation effects.

Description

说 明 书  Description
散热器及具有该散热器结构的照明装置  Radiator and lighting device having the same
技术领域 Technical field
本发明属于 LED技术领域，尤其涉及一种散热器及具有该散热器结构的照 明装置。 背景技术  The invention belongs to the field of LED technology, and in particular relates to a heat sink and an illumination device having the same. Background technique
随着技术的发展及国家对有关节能产品的政策扶持， LED灯的应用也越来 越广泛。 然而， 由于大功率的 LED灯在工作时会产生大量的热量， 如果这些热 量不能及时散发出去， 严重影响 LED的使用寿命。 比如 LED球泡灯， 在采用 自然散热的情况下， 散热器往往需要很大的体积， 在整灯体积的限制下， 对于 灯的整体设计和成本上来说艮不利。 因此， 如何在保证有效散热的情况下， 减 少散热器体积， 提供更多的光设计空间， 成为各个厂家需要解决的一个技术难 题。  With the development of technology and the state's policy support for energy-saving products, the application of LED lights is becoming more and more extensive. However, since high-power LED lamps generate a large amount of heat during operation, if these heats are not released in time, the service life of the LEDs is seriously affected. For example, LED bulbs, in the case of natural heat dissipation, the radiator often requires a large volume, which is unfavorable for the overall design and cost of the lamp under the limitation of the entire lamp volume. Therefore, how to reduce the volume of the heat sink and provide more light design space while ensuring effective heat dissipation has become a technical problem that various manufacturers need to solve.
现在 LED球泡灯散热器大部分都是通过面型散热齿来实现散热，图 1为现 有技术的 LED灯散热器的结构示意图，散热器的面形散热齿 1首先通过铝挤型 材面形成，然后再通过后期的机器加工成形， LED灯泡 2设置在散热齿 1当中， 现有技术 LED散热器的结构，存在以下一个问题： 散热器需要占据整灯绝大部 分的体积， 对于体积受限的球泡光源来说空间利用率低， 使功能受到较大的限 制。 同时， 散热器截面太大挡住向灯后部反射和折射的光线。 密集的散热齿， 长久使用， 灰尘堆积， 不利于清洁。 同时散热器外观粗糙， 尖锐的散热齿可能 引发安全问题。 发明内容 本发明的目的在于提供一种散热器， 旨在解决现有的 LED球泡灯光源散热 装置体积过大， 散热效率不高， 遮挡向后光线。 不易清洁， 散热器尖角利， 安 全性较差的问题。 本发明是这样实现的， 一种散热器， 包括散热齿和散热基座， 所述散热基 座为柱状体， 所述散热齿沿所述散热基座的第一表面四周外壁径向延伸设置， 其散热齿边缘为封闭式结构， 且所述散热齿上设置多个散热孔。 较优的， 所述散热齿到中心轴的距离沿其径向延伸方向逐渐增加。 较优的， 所述散热齿为一体铸压成型结构。 较优的， 所述散热孔包括第一散热孔和第二散热孔， 所述第一散热孔和第 二散热孔相邻设置。 较优的， 所述散热齿包括至少三个椭圆形， 相互间隔的两个椭圆形在与所 述位于两个椭圆形之间的相邻椭圆形内部沿公切线相外切， 所述第一散热孔和 第二散热孔由至少三个椭圆形交互形成。 沿所述散热基座第一表面的外壁四周径向延伸设置用于安装灯罩的结合 部， 所述结合部的端面凸出设置于所述散热基座的第一表面， 且所述结合部的 内径略大于所述散热基座的直径。 较优的， 散热器还沿所述散热基座的第二表面设置绝缘隔离件安装结构， 所述绝缘隔离件安装结构为一卡槽。 较优的， 所述散热基座设置第一定位孔、 第二定位孔、 导线孔。 本发明的另一目的在于提供一种照明装置， 所述照明装置包括散热器、 灯 头和绝缘隔离件和铝基板， 所述绝缘隔离件一端插接在所述卡槽中， 所述绝缘 隔离件另一端表面设置与所述灯头相配合的螺纹， 所述灯头和散热器通过绝缘 隔离件固定连接， 所述铝基板设置固定连接所述散热器， 所述散热器为前述的 散热器。 较优的， 所述照明装置还包括灯罩， 所述灯罩与所述散热器通过设置在散 热器上的结合部紧固连接。 较优的， 所述照明装置为 LED球泡灯装置。 本发明所公开的技术方案，在有效解决大功率 LED灯散热的情况下， 减小 了散热器体积， 增加了光设计空间。 同时解决了散热器遮挡后部出光的问题， 使整灯发光角度更大。 加上其封闭式的条形散热器设计， 在解决灰尘清理的同 时更解决了散热器本身尖锐的菱角所带来的安全隐患。 且本发明提供的散热器 外观也比较美观。 附图说明 At present, most of the LED bulb lamp radiators are cooled by the surface type heat dissipating teeth. FIG. 1 is a schematic structural view of the prior art LED lamp radiator, and the surface-shaped heat dissipating teeth 1 of the radiator are first formed by the aluminum extrusion profile surface. Then, through the later machine forming, the LED bulb 2 is disposed in the heat dissipating tooth 1. The structure of the prior art LED heat sink has the following problem: The radiator needs to occupy most of the volume of the whole lamp, and is limited in size. The bubble source is low in space utilization, which limits the function. At the same time, the cross section of the radiator is too large to block the light reflected and refracted toward the rear of the lamp. Intensive cooling teeth, long-term use, dust accumulation, not conducive to cleaning. At the same time, the heat sink looks rough and sharp heat sinking teeth can cause safety problems. Summary of the invention The object of the present invention is to provide a heat sink, which aims to solve the problem that the existing LED bulb light source heat dissipation device is too large, the heat dissipation efficiency is not high, and the backward light is blocked. It is not easy to clean, the tip of the radiator is sharp, and the safety is poor. The present invention is achieved by a heat sink comprising a heat dissipating tooth and a heat dissipating base, wherein the heat dissipating base is a columnar body, and the heat dissipating tooth is radially extended along an outer wall surrounding the first surface of the heat dissipating base. The heat dissipating tooth edge is a closed structure, and the heat dissipating teeth are provided with a plurality of heat dissipating holes. Preferably, the distance from the heat dissipating tooth to the central axis gradually increases along the radial extension direction thereof. Preferably, the heat dissipating tooth is an integrated cast molding structure. Preferably, the heat dissipation hole includes a first heat dissipation hole and a second heat dissipation hole, and the first heat dissipation hole and the second heat dissipation hole are disposed adjacent to each other. Preferably, the heat dissipating teeth comprise at least three elliptical shapes, and two elliptical shapes spaced apart from each other are circumscribed along a common tangent line with the adjacent elliptical inner shape between the two elliptical shapes, the first The louver and the second louver are formed by at least three elliptical interactions. a joint portion for mounting the lamp cover is radially extended along a periphery of the outer wall of the first surface of the heat dissipation base, and an end surface of the joint portion is convexly disposed on the first surface of the heat dissipation base, and the joint portion is The inner diameter is slightly larger than the diameter of the heat sink base. Preferably, the heat sink further comprises an insulating spacer mounting structure along the second surface of the heat dissipation base, wherein the insulating spacer mounting structure is a card slot. Preferably, the heat dissipation base is provided with a first positioning hole, a second positioning hole and a wire hole. Another object of the present invention is to provide a lighting device including a heat sink, a lamp cap and an insulating spacer, and an aluminum substrate, wherein the insulating spacer is inserted into the card slot at one end, and the insulating spacer The other end surface is provided with a thread matching the lamp cap, and the lamp cap and the heat sink are insulated The spacer is fixedly connected, and the aluminum substrate is fixedly connected to the heat sink, and the heat sink is the aforementioned heat sink. Preferably, the lighting device further includes a lamp cover, and the lamp cover and the heat sink are fastened and connected by a joint portion disposed on the heat sink. Preferably, the lighting device is an LED bulb device. The technical solution disclosed by the invention reduces the volume of the heat sink and increases the light design space in the case of effectively solving the heat dissipation of the high-power LED lamp. At the same time, the problem that the radiator occludes the rear part of the light is solved, so that the illumination angle of the whole lamp is larger. In addition, the closed strip radiator design solves the safety hazard caused by the sharp angle of the radiator itself while solving the dust cleaning. Moreover, the appearance of the heat sink provided by the invention is also relatively beautiful. DRAWINGS
图 1是本现有技术所提供的 LED散热器结构示意图；  1 is a schematic structural view of an LED heat sink provided by the prior art;
图 2是本发明实施例所提供的散热器结构示意图；  2 is a schematic structural view of a heat sink according to an embodiment of the present invention;
图 3是图 2的剖视图；  Figure 3 is a cross-sectional view of Figure 2;
图 4是本发明实施例所提供的照明装置结构示意图。  4 is a schematic structural view of a lighting device according to an embodiment of the present invention.
具体实施方式 detailed description
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。 请参见图 2和图 3。 图 2为本发明实施例所提供的散热器结构示意图， 图 3 为图 2的剖视图， 为了便于说明， 仅示出了与本实施例相关的部分。 本实施例所公开一种散热器， 包括散热齿 1和散热基座 7。 散热基座 7为 柱状体， 其横截面呈圆形， 散热基座 7设置第一定位孔 2 , 当散热器与绝缘隔 离件配合使用时， 通过第一定位孔 2将散热器与绝缘隔离件之间进行紧固。 散 热基座上还设置第二定位孔 6用于连接铝基板和散热器， 通过在铝基板下贴一 层导热硅胶或硅脂垫片填充两者缝隙实现热传导。 把铝基板上的热量良好的导 入散热器上。 进一步的， 散热基座 7上导线孔 4, 当散热器与绝缘隔离件配合 使用时， 安装在绝缘隔离件里的电源驱动线通过导线孔 4连接在铝基板上， 散 热齿 1沿散热基座 7的第一表面四周外壁径向延伸设置， 其散热齿 1边缘为封 闭式结构， 且散热齿 1上设置多个第一散热孔 101和第二散热孔 102。 第一散 热孔 101和第二散热孔 102相邻设置。 散热齿 1到散热基座 7中心轴的距离沿 其径向延伸方向逐渐增加。 散热齿 1包括至少三个椭圆形， 相互间隔的两个椭圆形在与所述位于两个 椭圆形之间的相邻椭圆形内部沿公切线相切，第一散热孔 101和第二散热孔 102 由至少三个椭圆形交互形成。 在本实施例中， 在散热齿上优选设置 6个交互的 椭圆形。 散热齿 1的整体形状呈花篮形状。 并且， 散热齿 1采用铸压工艺一体 成型。 沿散热基座 7第一表面的外壁四周径向延伸设置用于安装灯罩的结合部 5 , 结合部 5的端面凸出设置于散热基座 7的第一表面， 且结合部 5的内径略大于 所述散热基座 7的直径。 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. See Figure 2 and Figure 3. 2 is a schematic structural view of a heat sink according to an embodiment of the present invention, and FIG. 3 is a cross-sectional view of FIG. 2. For convenience of description, only parts related to the present embodiment are shown. A heat sink disclosed in this embodiment includes a heat dissipating tooth 1 and a heat dissipating base 7. The heat dissipation base 7 is a columnar body having a circular cross section, and the heat dissipation base 7 is provided with a first positioning hole 2, and the heat sink is separated from the insulation. When the separating member is used together, the heat sink and the insulating spacer are fastened by the first positioning hole 2. A second positioning hole 6 is further disposed on the heat dissipation base for connecting the aluminum substrate and the heat sink, and heat conduction is achieved by filling a gap between the aluminum substrate by a layer of thermal conductive silica gel or a grease pad. The heat on the aluminum substrate is well introduced into the heat sink. Further, the heat dissipation base 7 has a wire hole 4. When the heat sink is used with the insulation spacer, the power drive line installed in the insulation spacer is connected to the aluminum substrate through the wire hole 4, and the heat dissipation tooth 1 is along the heat dissipation base. The outer wall of the first surface of the first surface is radially extended, and the edge of the heat dissipating tooth 1 is a closed structure, and the plurality of first heat dissipation holes 101 and the second heat dissipation holes 102 are disposed on the heat dissipating teeth 1. The first heat dissipation holes 101 and the second heat dissipation holes 102 are disposed adjacent to each other. The distance from the heat dissipating tooth 1 to the central axis of the heat sink base 7 gradually increases in the direction in which it extends in the radial direction. The heat dissipating tooth 1 includes at least three elliptical shapes, and two elliptical shapes spaced apart from each other are tangent to the common ellipsoid inside the adjacent elliptical shape between the two elliptical shapes, the first heat dissipating hole 101 and the second heat dissipating hole 102 is formed by at least three elliptical interactions. In this embodiment, six alternating elliptical shapes are preferably provided on the heat dissipating teeth. The overall shape of the heat dissipating teeth 1 is in the shape of a flower basket. Moreover, the heat dissipating teeth 1 are integrally formed by a casting process. A joint portion 5 for mounting the lamp cover is disposed radially around the outer wall of the first surface of the heat dissipation base 7. The end surface of the joint portion 5 is convexly disposed on the first surface of the heat dissipation base 7, and the inner diameter of the joint portion 5 is slightly larger than The diameter of the heat dissipation base 7.
沿散热基座 7的第二表面设置绝缘隔离件安装结构 8, 通常绝缘隔离件安 装结构 8为一卡槽。  An insulating spacer mounting structure 8 is disposed along the second surface of the heat sink base 7. Generally, the insulating spacer mounting structure 8 is a card slot.
本实施例中的散热器与 LED灯配合使用， LED灯安装在铝基板上， 铝基 板固定在散热器的散热基座上， 当 LED灯工作时， 其上的结合部可用于安装灯 罩， 把光线打散处理。 使光线柔和均匀。 灯罩与散热器之间采用螺纹结构连接， 容易清洗和更换， 同时也可以采用点胶粘合连接， 适配于玻璃灯罩等。  The heat sink in this embodiment is used in combination with an LED lamp. The LED lamp is mounted on the aluminum substrate, and the aluminum substrate is fixed on the heat dissipation base of the heat sink. When the LED lamp is in operation, the joint on the LED can be used to install the lamp cover. The light is broken up. Make the light soft and even. The lampshade and the heat sink are connected by a threaded structure, which is easy to clean and replace. At the same time, it can also be glued and bonded to the glass lampshade.
散热齿 1为镂空式结构， 后射光线可以大面积通过。 解决大部分普通 LED 球泡灯由于散热器的遮挡， 出现灯后部无光， 造成背景过暗， 正面过亮的刺眼 情况。 同时， 散热齿 1截面趋向于椭圆形， 外观筒单， 方便清洁。 整个散热器 无尖角， 保证了使用和安装的安全性。 The heat dissipating tooth 1 has a hollow structure, and the rear light can pass through a large area. Solve the problem that most ordinary LED bulbs are blocked by the radiator, there is no light behind the lamp, the background is too dark, and the front is too bright. Happening. At the same time, the section of the heat dissipating tooth 1 tends to be elliptical, and the appearance is simple, which is convenient for cleaning. The entire radiator has no sharp corners, ensuring the safety of use and installation.
请参见图 4, 为本发明实施例所提供的照明装置结构分解图， 为了便于说 明， 仅示出了与本实施例相关的部分。 本发明所公开的照明装置包括灯头 A 、 绝缘隔离件 B 、 散热器 C、 铝 基板 D,其中散热器 C的结构在上一实施例中已经详细描述过，此处不再赘述。 绝缘隔离件 B—端插接在散热器 C的卡槽中，另一端表面设置与灯头 A相配合 的螺纹， 灯头 A和散热器 C通过绝缘隔离件 B固定连接， 铝基板 D通过第二 定位孔 6固定连接散热器。 实际使用时， LED灯安装在铝基板上， 为了有更好的照明效果， 也为了保 护 LED灯， 延长其使用寿命， 还可在照明装置上设置一个灯罩 E。 灯罩 E与散 热器 C通过设置在散热器上的结合部紧固连接， 比如可以通过螺纹连接， 还可 以通过点胶粘合连接， 当然还可以采用其他方式进行连接。 。  Referring to FIG. 4, an exploded perspective view of a lighting device according to an embodiment of the present invention is shown. For convenience of explanation, only parts related to the present embodiment are shown. The lighting device disclosed in the present invention comprises a lamp cap A, an insulating spacer B, a heat sink C, and an aluminum substrate D. The structure of the heat sink C has been described in detail in the previous embodiment, and details are not described herein. The insulating spacer B-end is inserted into the slot of the heat sink C, and the other end surface is provided with a thread matched with the lamp cap A. The lamp cap A and the heat sink C are fixedly connected by the insulating spacer B, and the aluminum substrate D passes the second positioning. The hole 6 is fixedly connected to the heat sink. In actual use, the LED lamp is mounted on the aluminum substrate. In order to have better lighting effect, and to protect the LED lamp and prolong its service life, a lamp cover E can be arranged on the lighting device. The lampshade E and the heat sink C are fastened by a joint provided on the heat sink, for example, by screwing, or by glue bonding, and of course, by other means. .
采用本发明公开的技术方案， 在满足了 LED球泡灯需要的足够散热条件 下， 摆脱了传统散热器占有整灯体积的比例过大， 遮光、 外观尖角锐利， 后机 械处理复杂等等， 为光源照明产品更好的光设计提供强力的支持。  By adopting the technical solution disclosed by the invention, under the condition that sufficient heat dissipation required by the LED bulb lamp is satisfied, the proportion of the traditional heat sink occupying the entire lamp volume is excessively large, the shading, the sharp corner of the appearance are sharp, the mechanical processing is complicated, and the like. Provides strong support for better light design for light source lighting products.
以上所述仅为本发明的较佳实施例而已， 并不用以限制本发明， 凡在本发 明的精神和原则之内所作的任何修改、 等同替换和改进等， 均应包含在本发明 的保护范围之内。  The above is only the preferred embodiment of the present invention, and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection of the present invention. Within the scope.

Claims

权 利 要 求 书 Claim
1、 一种散热器， 包括散热基座和散热齿， 其特征在于， 所述散热基座为柱 状体， 所述散热齿沿所述散热基座的第一表面四周外壁径向延伸设置， 其散热 齿边缘为封闭式结构， 且所述散热齿上设置多个散热孔。  A heat sink comprising a heat dissipating base and a heat dissipating tooth, wherein the heat dissipating base is a columnar body, and the heat dissipating tooth radially extends along an outer wall of the first surface of the heat dissipating base, The edge of the heat dissipating tooth is a closed structure, and a plurality of heat dissipation holes are disposed on the heat dissipating tooth.
2、 如权利要求 1所述的散热器， 其特征在于， 所述散热齿到中心轴的距离 沿其径向延伸方向逐渐增加。 2. The heat sink according to claim 1, wherein a distance from the heat dissipating tooth to the central axis gradually increases in a direction in which the radial direction extends.
3、 如权利要求 1或 2所述的散热器， 其特征在于， 所述散热齿为一体铸压 成型结构。 The heat sink according to claim 1 or 2, wherein the heat dissipating teeth are integrally cast molding structures.
4、 如权利要求 3所述的散热器， 其特征在于， 所述散热孔包括第一散热孔 和第二散热孔， 所述第一散热孔和第二散热孔相邻设置。 The heat sink according to claim 3, wherein the heat dissipation hole comprises a first heat dissipation hole and a second heat dissipation hole, and the first heat dissipation hole and the second heat dissipation hole are disposed adjacent to each other.
5、 如权利要求 4所述的散热器， 其特征在于， 所述散热齿包括至少三个椭 圆形， 相互间隔的两个椭圆形在与所述位于两个椭圆形之间的相邻椭圆形内部 沿公切线相外切， 所述第一散热孔和第二散热孔由至少三个椭圆形交互形成。 The heat sink according to claim 4, wherein the heat dissipating teeth comprise at least three elliptical shapes, two elliptical shapes spaced apart from each other and the adjacent elliptical shape between the two elliptical shapes The inner portion is circumscribed along the common tangent line, and the first heat dissipation hole and the second heat dissipation hole are formed by at least three elliptical interactions.
6、 如权利要求 1或 4或 5所述的散热器， 其特征在于， 沿所述散热基座第 一表面的外壁四周径向延伸设置用于安装灯罩的结合部， 所述结合部的端面凸 出设置于所述散热基座的第一表面， 且所述结合部的内径略大于所述散热基座 的直径。 The heat sink according to claim 1 or 4 or 5, wherein a joint portion for mounting the lamp cover is radially extended along a periphery of the outer wall of the first surface of the heat dissipation base, and an end face of the joint portion The protrusion is disposed on the first surface of the heat dissipation base, and an inner diameter of the joint portion is slightly larger than a diameter of the heat dissipation base.
7、 如权利要求 6所述的散热器， 其特征在于， 散热器还沿所述散热基座的 第二表面设置绝缘隔离件安装结构， 所述绝缘隔离件安装结构为一卡槽。 The heat sink according to claim 6, wherein the heat sink further comprises an insulating spacer mounting structure along the second surface of the heat dissipation base, wherein the insulating spacer mounting structure is a card slot.
8、 如权利要求 7所述的散热器， 其特征在于， 所述散热基座设置第一定位 孑 L、 第二定位孔、 导线孔。 The heat sink according to claim 7, wherein the heat dissipation base is provided with a first positioning point L, a second positioning hole, and a wire hole.
9、 一种照明装置， 其特征在于， 所述照明装置包括散热器、 灯头和绝缘隔 离件和铝基板， 所述绝缘隔离件一端插接在所述卡槽中， 所述绝缘隔离件另一 端表面设置与所述灯头相配合的螺纹， 所述灯头和散热器通过绝缘隔离件固定 连接， 所述铝基板设置固定连接所述散热器， 所述散热器为权利要求 1-8任意 一项所述的散热器。 9. A lighting device, characterized in that the lighting device comprises a heat sink, a lamp cap and an insulating partition The insulating member is inserted into the card slot at one end of the insulating substrate, and the other end surface of the insulating spacer is provided with a thread matched with the lamp cap, and the lamp cap and the heat sink are fixed by an insulating spacer. The aluminum substrate is fixedly connected to the heat sink, and the heat sink is the heat sink according to any one of claims 1-8.
10、 如权利要求 9所述的照明装置， 其特征在于， 所述照明装置还包括灯 罩， 所述灯罩与所述散热器通过设置在散热器上的结合部紧固连接。  The lighting device according to claim 9, wherein the lighting device further comprises a lamp cover, and the lamp cover and the heat sink are fastened to each other by a joint portion provided on the heat sink.
PCT/CN2012/079122 2011-10-31 2012-07-25 Heat sink and lighting device having same WO2013063963A1 (en)

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CN2011204244810U CN202281200U (en) 2011-10-31 2011-10-31 Radiator and lighting device with such radiator structure
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CN202281200U (en) * 2011-10-31 2012-06-20 深圳市电明科技有限责任公司 Radiator and lighting device with such radiator structure
CN104864315A (en) * 2015-06-08 2015-08-26 河南巴拉斯光电科技有限公司 LED bulb lamp

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