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CN201715285U - 一种压铸型led节能灯 - Google Patents

一种压铸型led节能灯 Download PDF

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CN201715285U
CN201715285U CN2010201332425U CN201020133242U CN201715285U CN 201715285 U CN201715285 U CN 201715285U CN 2010201332425 U CN2010201332425 U CN 2010201332425U CN 201020133242 U CN201020133242 U CN 201020133242U CN 201715285 U CN201715285 U CN 201715285U
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lamp body
die
lampshade
groove
lamp
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孙建国
潘成林
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Nanjing Handson Science & Technology Corp
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21KNON-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
    • F21K9/00Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/20Light sources comprising attachment means
    • F21K9/23Retrofit 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
    • F21K9/232Retrofit 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21KNON-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
    • F21K9/00Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/20Light sources comprising attachment means
    • F21K9/23Retrofit 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V17/00Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/10Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
    • F21V17/101Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening permanently, e.g. welding, gluing or riveting
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V17/00Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/10Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
    • F21V17/12Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by screwing
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00Arrangement of electric circuit elements in or on lighting devices
    • F21V23/003Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
    • F21V23/007Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array enclosed in a casing
    • F21V23/009Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array enclosed in a casing the casing being inside the housing of the lighting device
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50Cooling arrangements
    • F21V29/502Cooling arrangements characterised by the adaptation for cooling of specific components
    • F21V29/507Cooling arrangements characterised by the adaptation for cooling of specific components of means for protecting lighting devices from damage, e.g. housings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50Cooling arrangements
    • F21V29/70Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/74Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
    • F21V29/77Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical diverging planar fins or blades, e.g. with fan-like or star-like cross-section
    • F21V29/773Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical diverging planar fins or blades, e.g. with fan-like or star-like cross-section the planes containing the fins or blades having the direction of the light emitting axis
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21YINDEXING 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
    • F21Y2115/00Light-generating elements of semiconductor light sources
    • F21Y2115/10Light-emitting diodes [LED]

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

Abstract

本实用新型揭示了一种压铸型LED节能灯,包括相互组合的灯罩、LED光源组件、灯体、绝缘壳体、驱动电源及灯头,其中该灯体外沿周围均匀布设有复数条竖直的散热鳍片和散热槽,而灯体顶部设有四周具凹槽的平底导热圆台,LED光源组件固接于平底导热圆台表面,且该灯罩嵌接于平底导热圆台的凹槽内;该灯体散热结构的中心设有柱状腔体,驱动电源及绝缘壳体一体化装配后插置于柱状腔体内,其中绝缘壳体与平底导热圆台底部相固接;该灯头装接于绝缘壳体远离LED光源组件的一端之上,与金属的灯体绝缘相隔、固定。本实用新型采用压铸型设计的节能灯灯体,为LED照明产品的快速组装提供了便利,且具有优异的散热性能,有利于更广泛地将LED节能灯的特殊性能推广应用。

Description

一种压铸型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LED光源的LED节能灯,属于半导体照明技术领域。
背景技术
一段时期以来,白炽灯一直是人类照明的主力军,然而,如今它们正逐步退出历史舞台,因为在全球气候变化和能源紧张的背景下,寻求更节能的照明方案已是众心所向。LED节能灯是一种新型的环保、高效、更安全可靠的照明灯具。 
由于光效和成本等方面的原因,LED节能灯目前还不能在大面积白光泛光照明方面和传统高效光源竞争,但是在小功率照明、局部照明、安全照明等方面具有传统光源难于比拟的优势。一般来说,做LED节能灯,既可以选用小功率发光管,也可以选用大功率发光管。但是,实践证明,小功率发光管虽然有发光器件成本低的优势,但是,其光衰却比大功率发光管快,并且用的管数太多,装配麻烦,普遍存在光效低、寿命短,工作过程中温度过高而导致不安全事故综合考虑,选用大功率发光管比较合理。 
发明内容
鉴于上述现有技术存在的缺陷,本实用新型的目的是提出一种压铸型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,解决传统小功率发光管光衰严重及散热的问题,并提供一种工艺简单、低成本的生产方案, 
本实用新型的目的,将通过以下技术方案得以实现: 
一种压铸型LED节能灯,包括相互组合的灯罩、LED光源组件、灯体、绝缘壳体、驱动电源及灯头,其特征在于:所述灯体外沿周围均匀布设有复数条竖直的散热鳍片和散热槽,而所述灯体顶部设有四周具凹槽的平底导热圆台,LED光源组件固接于平底导热圆台表面,且所述灯罩嵌接于平底导热圆台的凹槽内;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及绝缘壳体插置于柱状腔体内,其中绝缘壳体与平底导热圆台底部相固接;所述灯头装接于绝缘壳体远离LED光源组件的一端之上,与金属的灯体绝缘相隔、固定。 
进一步地,前述的一种压铸型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的散热基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,且各种形状的灯罩内壁为磨砂表面或设有增光涂层。 
该灯体设有一用于装配及固定灯罩的凹槽,凹槽方向呈中心向外周凹进,且相连的凹槽间设有一圆周形筋肋,灯罩通过胶体连接的方式固定于灯体的凹槽内;或者该灯体设有一用于装配及固定灯罩的凹槽,凹槽侧壁设有螺纹,灯罩通过螺纹旋接的结构固定于灯体的凹槽内;又或者该灯体设有一用于装配及固定灯罩的凹槽,凹槽底面设有螺孔,灯罩通过螺钉连接结构固定在灯体的凹 槽内。此外,该铝或者铝合金材料制成的灯体具有散热鳍片和散热槽的散热结构,其中散热鳍片侧顶端为倒圆角弧状结构;而散热槽顶端为压铸、切削加工所得的半圆弧状结构,且散热槽表面为经抛光处理的喷砂氧化面。 
该绝缘壳体为圆柱形结构,且其腔体内压铸形成有一插槽,所述驱动电源插置于插槽内定位。 
该驱动电源具有长方形的印制电路底板,该圆柱形绝缘壳体上端设有一个半圆形开口,封闭的另一半圆面中部开有固定用螺孔,绝缘壳体通过螺钉固接于灯体上。 
更进一步地,前述的一种压铸型LED节能灯,其中该LED节能灯的灯头为金属接口,四周铆接在绝缘壳体上;其中灯头的金属部分为任意形式的通用性灯头,其中之一为铜镀镍高频瓷E-27标准螺口灯头。 
本实用新型较之于传统白炽灯管或低压荧光灯管的照明器具,该种压铸型LED节能灯的稳定性和长寿命性具有明显优势,再者采用压铸型设计的节能灯灯体,为LED照明产品的快速组装提供了便利,且具有优异的散热性能;并且该LED节能灯用于照明时,还具有光色柔和、艳丽、丰富多彩、低损耗、低能耗、绿色环保等人性化优点,适合家庭、商场、银行、医院、宾馆,饭店及其它各种公共场合长时间照明的广泛应用。 
以下便结合实施例附图,对本实用新型一种压铸型LED节能灯的具体实施方式作进一步的详述,以使本实用新型技术方案更易于理解、掌握。 
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~灯罩、2~LED光源组件、3~灯体、4~绝缘壳体、5~驱动电源、6~灯头、7~LED发光二极管、8~金属基线路板。 
具体实施方式
如图1和图3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及成品立体示意图所示,其包括:灯罩1、LED光源组件2、灯体3、绝缘壳体4、驱动电源5、以及用于连接的灯头6。其中: 
该大功率LED节能灯灯体3上部具有平底导热圆台,LED光源组件2被固定在灯体3散热结构上部的平底导热圆台内,且平底导热圆台四周具有凹槽结构,通过该凹槽将灯罩1组装在灯体3之上。灯体3外沿周围均匀分布有散热鳍片和散热槽,两者构成了该灯体3的散热结构,而灯体3散热结构中心设成柱状腔体;用于将固定有驱动电源5的圆柱形绝缘壳体4置于其中,而该圆柱形绝缘壳体4的顶部连接固定灯头上部与灯体平底导热圆台下部。 
该LED光源组件2是由1W或以上功率、单色或多种光色的发光二极管7与金属基线路板8构成,并且该发光二极管7以单独封装或集成封装的形式通过导热胶贴装在LED散热基板上面构成,其中该散热基板即为金属基线路板8,LED光源组件2的出光口设有灯罩1。LED光源组件2散热基板嵌设在灯体内腔顶部凹槽结构之中固定,而LED光源位置设置可以高于灯体内腔顶部凹槽。 
该平底导热圆台上部具有平底凸台,平底凸台四周具有圆环型凹槽结构,所述LED光源组件2的金属基线路板8固定在平底凸台上。圆环型凹槽结构 上固定有灯罩1,所述的灯罩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砂处理;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,无眩光,出光率高,加工方式简单,安全可靠。更进一步地,上述凹槽结构可为沿凹槽方向呈中心向外周凹进,相连的凹槽间有一圆周形筋肋,灯罩1通过胶体连接方式固定在灯体3散热结构上,凹槽结构不仅方便灯罩的固定,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。 
该具散热功能的灯体3为由金属材料制成,通常为铝或者其合金材料。灯体3通过压铸、切削等机械方式作进行加工,灯体外沿周围均匀分布有若干条竖直散热鳍片和散热槽,散热鳍片侧顶端为倒角圆弧状,而散热槽顶端为半圆弧状,外表面经喷砂氧化和抛光处理工艺,竖直散热片和散热槽均用于增大散热面积,增强散热,使散热效果更好。 
LED光源组件2在设置时,可以高于灯体散热内腔顶部的凹槽,通过改变灯体散热内腔顶部平底导热圆台的高低来调节光线的出光角度和发光点的位置来提高灯具的系统出光效率。 
如图2所示,该灯体3与圆柱形绝缘壳体4之间的连接结构为嵌入式螺钉连接式或其他可拆卸式连接结构。其中置入灯体3柱状腔体的圆柱形绝缘壳体4内包有驱动电源5,灯体3柱状腔体内部的圆柱形绝缘壳体4顶端有一半圆形开口,封闭的另一半圆面中部开有固定用螺孔,将绝缘壳体4与灯体3的平底导热圆台底部牢牢固定住。此外,该驱动电源5通过导线与LED光源组件2的电极相连,形成电气连接通路; 
再者,该构成LED节能灯的灯头6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,并与圆柱形绝缘壳体4底端螺纹结构相配合后沿其圆周铆接。 
一言以蔽之,上述一种压铸型LED节能灯与白炽灯管或低压荧光灯管相比,LED节能灯的稳定性和长寿命是明显的优势,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。广泛适用于家庭,商场,银行,医院,宾馆,饭店及其他各种公共场所长时间照明。 
综上所述,是本实用新型一种压铸型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 (10)

1.一种压铸型LED节能灯,包括相互组合的灯罩、LED光源组件、灯体、绝缘壳体、驱动电源及灯头,其特征在于:所述灯体外沿周围均匀布设有复数条竖直的散热鳍片和散热槽,而所述灯体顶部设有四周具凹槽的平底导热圆台,LED光源组件固接于平底导热圆台表面,且所述灯罩嵌接于平底导热圆台的凹槽内;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及绝缘壳体插置于柱状腔体内,其中绝缘壳体与平底导热圆台底部相固接;所述灯头装接于绝缘壳体远离LED光源组件的一端之上,与金属的灯体绝缘相隔、固定。
2.根据权利要求1所述的一种压铸型LED节能灯,其特征在于:所述的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的散热基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所述的一种压铸型LED节能灯,其特征在于:所述的灯罩形状至少包括半球形、圆柱形、棱柱形中的一种,且灯罩内壁为磨砂表面或设有增光涂层。
4.根据权利要求1所述的一种压铸型LED节能灯,其特征在于:所述的灯体设有一用于装配及固定灯罩的凹槽,所述凹槽方向呈中心向外周凹进,且相连的凹槽间设有一圆周形筋肋,灯罩通过胶体连接的方式固定于灯体的凹槽内。
5.根据权利要求1所述的一种压铸型LED节能灯,其特征在于:所述的灯体设有一用于装配及固定灯罩的凹槽,所述凹槽侧壁设有螺纹,灯罩通过螺 纹旋接的结构固定于灯体的凹槽内。
6.根据权利要求1所述的一种压铸型LED节能灯,其特征在于:所述的灯体设有一用于装配及固定灯罩的凹槽,所述凹槽底面设有螺孔,灯罩通过螺钉连接结构固定在灯体的凹槽内。
7.根据权利要求1所述的一种压铸型LED节能灯,其特征在于:所述铝或者铝合金材料制成的灯体具有散热鳍片和散热槽的散热结构,其中所述散热鳍片侧顶端为倒圆角弧状结构;所述散热槽顶端为压铸、切削加工所得的半圆弧状结构,且散热槽表面为经抛光处理的喷砂氧化面。
8.根据权利要求1所述的一种压铸型LED节能灯,其特征在于:所述绝缘壳体为圆柱形结构,且其腔体内压铸形成有一插槽,所述驱动电源插置于插槽内定位。
9.根据权利要求8所述的一种压铸型LED节能灯,其特征在于:所述驱动电源具有长方形的印制电路底板,所述圆柱形绝缘壳体上端设有一个半圆形开口,封闭的另一半圆面中部开有固定用螺孔,绝缘壳体通过螺钉固接于灯体上。
10.根据权利要求1所述的一种压铸型LED节能灯,其特征在于:所述LED节能灯的灯头为金属接口,四周铆接在绝缘壳体上;所述灯头形式之一为铜镀镍高频瓷E-27标准螺口灯头。 
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