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CN100594323C - 高功率半导体照明灯 - Google Patents

高功率半导体照明灯 Download PDF

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CN100594323C
CN100594323C CN200710039473A CN200710039473A CN100594323C CN 100594323 C CN100594323 C CN 100594323C CN 200710039473 A CN200710039473 A CN 200710039473A CN 200710039473 A CN200710039473 A CN 200710039473A CN 100594323 C CN100594323 C CN 100594323C
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led
upright post
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heat transfer
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CN101285558A (zh
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金松山
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Zhongke Haoding Science And Technology Co ltd
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Abstract

本发明公开了一种高功率半导体照明灯,包括支架、LED驱动板、散热器组和一组LED模块,该散热器组由若干个立柱型散热器和连接条拼凑,与LED模块构成一体的LED螺栓穿过铜垫片固定在立柱型散热器中心的立柱孔底面上;LED驱动板被固定在支架的顶部与隔热板的里面,隔热板与支架相固定,在支架上开有引线孔和散热孔,支架与传热片孔相固定,LED驱动板与LED模块电连接。立柱型散热器是由立柱型导热体、传热片和肋片构成,并采用导热性好的铝材料作成一体,且提高了向周围空间的散热能力,能够满足开发路灯、悬挂灯、天花板嵌入式灯等多种高功率或其他半导体照明灯具。

Description

高功率半导体照明灯
技术领域
本发明涉及一种半导体照明灯,特别是一种高功率半导体照明灯。
背景技术
半导体电光源是一种无灯丝的电光源,是一种直接把电能转化为光能的发光器件,称为发光二极管,也称为半导体灯,英文简称LED。半导体照明被认为是21世纪的照明新节能光源。LED不仅节能,还具有寿命长、体积小、安全、环保、免维护、易控制等特点。LED已经可以在很多场所代替传统光源使用,特别是大功率LED的出现,加速了LED取代传统照明光源的速度,也使得LED在室内照明的大面积应用变得现实。
大功率LED是LED产业未来发展的一个方向,但大功率LED对散热技术要求较高,LED模块的功率越大,其芯片的热流密度就越高,环境温度达到一定的限度就会很快产生光衰,直接导致LED寿命的下降,当散热器的效果不良时LED芯片的温度急剧上升而损坏LED芯片,只有解决大功率LED的散热技术,最大限度的延缓LED的光衰,才能大面积的推广大功率LED的应用。
目前,大功率LED模块的散热大多采用平板形挤型材电子散热器或采用铝锭数控机床加工散热器。这种结构的电子散热器的几何形状已固定,体积大,不具有良好的散热通道,LED照明灯具的散热较差而较快产生光衰,直接导致LED寿命的下降。采用铝锭数控机床加工的散热器,其开发费用很高。
发明内容
为解决电子散热器的几何形状已固定,体积大,LED散热效果较差而不适合LED模块的专项散热,本发明提供一种高功率半导体照明灯。
本发明解决其技术问题所采用的技术方案是:包括支架、LED驱动板、散热器组和一组LED模块,该散热器组由若干个立柱型散热器和连接条拼凑,与LED模块构成一体的LED螺栓穿过铜垫片固定在立柱型散热器中心的立柱孔底面上;LED驱动板被固定在支架的顶部与隔热板的里面,隔热板与支架相固定,在支架上开有引线孔和散热孔,支架与传热片孔相固定,LED驱动板与LED模块电连接。
所述的立柱型散热器是由立柱型导热体、传热片和肋片构成一体;在立柱型导热体中开有立柱孔和LED固定孔,并在立柱孔底内填平了铜塞子;在立柱型导热体周围上设置有肋片和传热片,在传热片的末段上设置有传热片孔,并在其传热片的两侧上设置有肋片。
本发明的有益效果是,这种顺着热气流向上的方向排列散热肋片的结构与传统的平板形电子散热器相比,其显著优点是,LED模块中的热量由具有超强吸热能力的铜垫片或铜塞子快速吸热,再通过吸热、散热较均衡的铝质的立柱型导热体把热量传导给传热片和肋片上,把这些热量和周围空气进行热交换,就能增大换热系数,能够减小散热器和周围空气之间的温度差,将最大限度的降低LED模块中的温度,减少LED模块的光衰,达到提高LED模块寿命的目的;同时因采用了立柱型散热器拼凑方式实现高功率半导体照明灯,其次优点是,立柱型散热器可以用挤压成型材,可以切割使用,结构紧凑,提高了向周围空间的散热能力,能满足开发路灯、悬挂灯、天花板嵌入式灯等多种高功率或其他半导体照明灯具。
附图说明
图1是本发明的一种实施例的结构示意图。
图2是图1的仰视图。
图3是图2所示实施例中的立柱型散热器的结构示意图。
图4是图3的B-B剖视图。
图中1.支架,101.引线孔,102.散热孔,2.LED驱动板,3.隔热板,4.立柱型导热体,401.立柱孔,402.LED固定孔,5.LED螺栓,6.铜垫片,7.LED模块,8.散热器组,9.传热片孔,10.连接条,11.立柱型散热器,12.铜塞子,13.传热片,14.肋片,15.肋片,16.肋片,17.LED散热片。
具体实施方式
由图1~图4所示,本发明包括支架1、LED驱动板2、散热器组8和一组LED模块7,该散热器组8由若干个立柱型散热器11和连接条10拼凑,与LED模块7构成一体的LED螺栓5穿过铜垫片6,以螺纹方式固定在立柱型散热器11中心的立柱孔401底面上;LED驱动板2被固定在支架1的顶部与隔热板3的里面,隔热板3与支架1相固定,在支架1上开有引入LED驱动板2的电源线和该支架1被固定的引线孔101与散热器组8散发热量的散热孔102,支架1与传热片孔9用螺钉方式相固定,LED驱动板2与LED模块7电连接。
为了防止灰尘落在散热器组8上,在支架1的台阶上可设置有铝质灯罩。该支架1需要与螺口插座连接时,在支架1顶部上可依次连接绝缘外壳和螺纹灯头。
所述的立柱型散热器11是由立柱型导热体4、传热片13、肋片14、肋片15和肋片16构成一体;在立柱型导热体4中开有立柱孔401和LED固定孔402,为了迅速降低LED模块7的温度,在立柱孔401的底内填平了铜塞子12;为了迅速散发在立柱型导热体4中的热量,在其周围上设置有散热用肋片16和传热片13,在传热片13的末段上设置有传热片孔9,并在其传热片13的两侧上也设置有散热用肋片14和肋片15;立柱型散热器11采用导热性好的铝材料制成。
LED模块7的散热基板一般有自带LED螺栓5的和不带螺栓的平板型LED散热片17。带有LED散热片17的LED模块7,可与LED固定孔402用螺钉方式相固定。把铜垫片6可改制成金属PCB板,也可以把若干个铜垫片6拼成一体的平板,该平板型的一侧可作成金属PCB板,并可焊接贴片式LED模块7,另一侧与立柱型散热器11连接,或与立柱型散热器11压铸成一体。
使用功率较小的LED模块7或大功率LED时,在立柱型散热器11中的立柱孔401,可以不开通,必要时只开出能够固定LED的孔即可;LED模块7的输出功率和散热基板的大小或其固定方式的不同,而立柱型导热体4的内外直径形状和大小以及传热片13、肋片14、肋片15和肋片16的数目和大小则不同;立柱型散热器11不仅能拼作成圆型、方型、长方型、条型和多角型等高功率半导体照明灯具,也可以单个立柱型散热器11来作成单颗的各种大功率LED照明灯具。

Claims (3)

1、一种高功率半导体照明灯,包括支架、LED驱动板、散热器组和一组LED模块,其特征是:该散热器组由若干个立柱型散热器和连接条拼凑,与LED模块构成一体的LED螺栓穿过铜垫片固定在立柱型散热器中心的立柱孔底面上;
支架与散热器组之间设有隔热板,隔热板与支架相固定,LED驱动板设置在支架的顶部与隔热板之间,在支架上开有引线孔和散热孔,立柱型散热器上设有传热片孔,立柱型散热器与支架通过传热片孔相固定,LED驱动板与LED模块电连接。
2、根据权利要求1所述的高功率半导体照明灯,其特征是:立柱型散热器是由立柱型导热体、传热片和肋片构成一体;
在立柱型导热体中开有立柱孔和LED固定孔,并在立柱孔底内填平了铜塞子;
在立柱型导热体周围设置有传热片,在传热片的末段上设置有传热片孔,并在立柱型导热体周围及其传热片的两侧分别设置有肋片。
3、根据权利要求1所述的高功率半导体照明灯,其特征是,所述立柱型散热器采用导热性好的铝材料制成。
CN200710039473A 2007-04-13 2007-04-13 高功率半导体照明灯 Expired - Fee Related CN100594323C (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI460374B (zh) * 2011-08-08 2014-11-11 Sunyeer Technology Co Ltd 燈具散熱裝置及其散熱體結構

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010139179A1 (zh) * 2009-06-01 2010-12-09 Peng Yuntao 一种组合式大功率led灯
CN101900263A (zh) * 2009-06-01 2010-12-01 彭云滔 一种组合式大功率led灯
CN101922637B (zh) * 2009-08-23 2012-10-10 彭云滔 一种led模块化光源及其组合的大功率led灯
TWI395905B (zh) * 2010-10-11 2013-05-11 Hon Hai Prec Ind Co Ltd Led照明裝置及其導通結構
CN102200233A (zh) * 2011-06-20 2011-09-28 广州莱迪光电股份有限公司 一种led球泡灯结构

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI460374B (zh) * 2011-08-08 2014-11-11 Sunyeer Technology Co Ltd 燈具散熱裝置及其散熱體結構

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