CN101680627A - 具有led阵列布线用可靠布置的多led灯具 - Google Patents

具有led阵列布线用可靠布置的多led灯具 Download PDF

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CN101680627A
CN101680627A CN200880014714A CN200880014714A CN101680627A CN 101680627 A CN101680627 A CN 101680627A CN 200880014714 A CN200880014714 A CN 200880014714A CN 200880014714 A CN200880014714 A CN 200880014714A CN 101680627 A CN101680627 A CN 101680627A
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light fixture
led light
led
housing
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CN101680627B (zh
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K·S·威尔考克斯
W·P·吉利恩
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Cree Lighting USA LLC
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Ruud Lighting Inc
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    • 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
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • 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
    • F21V31/00—Gas-tight or water-tight arrangements
    • F21V31/005—Sealing arrangements therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S4/00—Lighting devices or systems using a string or strip of light sources
    • 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
    • F21V15/00—Protecting lighting devices from damage
    • F21V15/01—Housings, e.g. material or assembling of housing parts
    • 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
    • F21V27/00—Cable-stowing arrangements structurally associated with lighting devices, e.g. reels 
    • 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]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S362/00—Illumination
    • Y10S362/80—Light emitting diode

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  • 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)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
  • Led Device Packages (AREA)

Abstract

在LED灯具(10)的一个实施方式中，该灯具包括限定腔室(24)的壳体(20)以及位于该腔室外侧并与所述壳体相邻的LED模块(30)。所述LED模块包括其上安装有多个LED封装(34)的安装板(32)以及位于该安装板上方的罩(42)。所述罩和所述安装板一起形成模块内部，并且所述罩构造成暴露所述LED封装。该灯具的改进之处包括刚性线槽(60)，其位于所述LED模块与所述壳体之间，并限定所述模块内部与所述腔室之间的通道(62)。

Description

具有LED阵列布线用可靠布置的多LED灯具
技术领域
[01]本发明大体上涉及LED灯具，更具体地涉及多LED灯具，其具有伴随的复杂布线，以服务于LED阵列的多个LED。
背景技术
[02]在照明领域，已研制出多种不同类型的光源。近来，已研制出包含多LED阵列(每一阵列均具有大量LED封装)的LED光源作为将LED照明的多种优点(LED效率及长寿命)带入通用照明领域的装置。具体地说，已研制出这样的LED灯具用于室外设施，这以示例方式包括停车场、道路、展区及其它大型区域的照明。
[03]由于LED灯具中所涉及的大量LED，可靠布线及环境保护布线是特别关注的。而且，由于这种***中的多LED模块的大量散热，LED模块的水密外壳是不理想的，从而潜在加剧保护多个配线和连接免受恶劣天气的问题。由于LED模块的配线必须通到包围LED驱动器之类的电子元件的优选水密的壳体中，并且由于所涉及的大量配线，因而提供正确组织及密封接合可能会成问题。
发明内容
[04]本发明的目的是提供一种利用LED光源的改进灯具，其克服了现有技术的包括上述在内的一些问题和缺点。
[05]本发明的另一目的是提供一种利用LED光源的改进灯具，其提供LED模块与壳体之间的可靠连接。
[06]本发明的又一目的是提供一种利用LED光源的改进灯具，其为LED模块和壳体提供连续密封环境。
[07]本发明的再一目的是提供一种利用LED光源的改进灯具，其提供可装配至多种壳体单元的具有一体的刚性线槽的通用罩件。
[08]本发明的另一目的是提供一种多LED阵列灯具所需的大量配线用的线槽。
[09]从以下说明及附图会清楚如何实现这些及其它目的。
[10]在LED灯具的一个实施方式中，该灯具包括限定腔室的壳体以及位于该腔室外侧并与该壳体相邻的LED模块。所述LED模块包括其上安装有多个LED封装的安装板以及位于该安装板上方的罩。所述罩和所述安装板一起形成模块内部，并且所述罩构造成暴露所述LED封装。该LED灯具的改进之处包括刚性线槽，该刚性线槽位于所述LED模块与所述壳体之间并限定所述模块内部与所述腔室之间的通道。
[11]在第二实施方式中，所述LED灯具包括与所述LED模块成一体的刚性线槽。
[12]在另一实施方式中，所述LED灯具的壳体具有孔，并且所述线槽包括绕所述孔密封接合的远端。
[13]在又一实施方式中，所述LED灯具的刚性线槽与所述罩成一体。
[14]在再一实施方式中，所述LED灯具的位于所述内部与所述腔室之间的所述通道是水密的。
[15]在另一实施方式中，所述LED灯具的罩包括主平面部及在所述主平面部周围并朝所述安装板延伸的边缘部。一体形成的刚性线槽从所述边缘部朝所述壳体延伸。
[16]在又一实施方式中，所述LED灯具包括布置在所述模块内部中的衬垫层，并构造成暴露所述LED封装。在该实施方式的改进中，所述衬垫层为海绵层。
[17]短语“与LED模块成一体”是指与LED模块的任何单独部件成一体或与多个部件成一体。
附图说明
[18]图1是LED灯具的优选实施方式的立体图。
[19]图2是图1的LED灯具的分解图。
[20]图3是图1的LED灯具的俯视图。
[21]图4是沿线I-I剖取的图3的LED灯具的剖视图。
[22]图5是图4的壳体、LED模块与刚性线槽之间的相互作用的放大剖视图。
具体实施方式
[23]图1示出LED灯具10的优选实施方式。灯具10包括壳体20、LED模块30、散热装置50及刚性线槽60。
[24]如图2中最佳可见，LED模块30由多个层构成。底层为安装板32，其包括作为灯具10的光源的多个LED封装34。封装34通过电路(未示出)互连，并且安装板32还包括从安装板32的最接近壳体20的端部延伸的配线(未示出)。
[25]LED模块30还包括覆盖安装板32上的暴露电路的铝层36。在该优选实施方式中，副透镜38覆盖LED封装34，并可帮助控制光从灯具10发出的方式。接下来，衬垫层40布置在副透镜38上方，在该实施方式中衬垫层40为海绵衬垫，并且该衬垫层40包括开口41，以绕LED封装34和副透镜38装配，从而露出LED。
[26]最后，罩42包括主平面部44以及在主平面部44周围并朝安装板32延伸的边缘部46。罩42还包括螺钉孔47和LED孔48。当放置在一起时，罩42和安装板32形成模块内部，LED模块30的其它层装配在该模块内部中。螺钉49被用于将LED模块30固定在一起。
[27]散热装置50也连接至LED模块30。散热装置50与LED封装34相反地连接至安装板32，并帮助散去由LED封装34产生的热。散热装置50包括远离LED模块30延伸的多个散热片52，以提供帮助散热的表面积。
[28]壳体20在图中示出为局部壳体并包括外壳22，该外壳22是水密的并在内侧限定腔室24。此外，外壳22还限定用于通过刚性线槽60连接至LED模块30的孔26。壳体的腔室24是供灯具10的配线穿过至LED模块30的位置。壳体20的水密性质保护配线和任何其它敏感设备免受恶劣天气。
[29]在图4和图5中最佳可见的刚性线槽60使壳体20与LED模块30互连。在该优选实施方式中，刚性线槽60为管状并限定通道62。线槽60优选由金属制成，并且其刚性性质为灯具10的配线提供可靠且坚固的内部通道62。线槽60包括附连至LED模块30的近端64以及连接至壳体20的远端66。在该优选实施方式中，近端64与LED模块30的罩42成一体，并因此提供给LED模块30水密密封。在远端66与壳体20之间设置密封件68，以提供这些部件之间的水密密封。密封件及一体的部件的这一组合提供LED模块30的内部与壳体20之间的连续密封环境。由于该密封环境，小型配线可用于从安装板32延伸穿过线槽60并进入壳体20中。
[30]尽管关于具体实施方式示出并描述了本发明的原理，然而应当理解，这些实施方式仅为示例而非限制的。

Claims (12)

1.一种LED灯具，该LED灯具包括：(a)限定腔室的壳体；(b)LED模块，该LED模块位于所述腔室外侧并与所述壳体相邻，并包括(b1)其上安装有多个LED封装的安装板以及(b2)罩，该罩位于所述安装板上方，形成模块内部并构造成暴露所述LED封装，
其特征在于，所述LED灯具包括刚性线槽，该刚性线槽位于所述LED模块与所述壳体之间，并限定所述模块内部与所述腔室之间的通道。
2.按照权利要求1所述的LED灯具，其特征在于，所述刚性线槽与所述LED模块成一体。
3.按照权利要求2所述的LED灯具，其特征在于，所述壳体具有孔，并且所述线槽包括绕所述孔密封接合的远端。
4.按照权利要求2所述的LED灯具，其特征在于，所述刚性线槽与所述罩成一体。
5.按照权利要求4所述的LED灯具，其特征在于，所述壳体具有孔，并且所述线槽包括绕所述孔密封接合的远端。
6.按照权利要求1所述的LED灯具，其特征在于，所述内部与所述腔室之间的所述通道是水密的。
7.按照权利要求6所述的LED灯具，其特征在于，所述刚性线槽与所述LED模块成一体。
8.按照权利要求7所述的LED灯具，其特征在于，所述刚性线槽与所述罩成一体。
9.按照权利要求8所述的LED灯具，其特征在于，所述罩包括主平面部以及在主平面部周围并朝所述安装板延伸的边缘部，所述一体形成的刚性线槽从所述边缘部朝所述壳体延伸。
10.按照权利要求9所述的LED灯具，其特征在于，所述壳体具有孔，并且所述线槽包括绕该孔密封接合的远端。
11.按照权利要求10所述的LED灯具，其特征在于，所述LED灯具还包括衬垫层，该衬垫层布置在所述模块内部中并构造成暴露所述LED封装。
12.按照权利要求11所述的LED灯具，其特征在于，所述衬垫层为海绵衬垫。
CN2008800147140A 2007-05-04 2008-05-02 具有led阵列布线用可靠布置的多led灯具 Active CN101680627B (zh)

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US11/744,750 US7566147B2 (en) 2007-05-04 2007-05-04 Multi-LED light fixture with secure arrangement for LED-array wiring
PCT/US2008/005853 WO2008137170A1 (en) 2007-05-04 2008-05-02 Multi-led light fixture with secure arrangement for led-array wiring

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AU2008248067A1 (en) 2008-11-13
CA2685918A1 (en) 2008-11-13
CN101680627B (zh) 2012-02-01
EP2142848A4 (en) 2011-02-23
KR101461039B1 (ko) 2014-11-13
EP2142848B1 (en) 2014-08-06
RU2009144995A (ru) 2011-06-10
MX2009011664A (es) 2009-11-10
US20080273326A1 (en) 2008-11-06
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CA2685918C (en) 2013-04-23
AU2008248067B2 (en) 2013-10-24
WO2008137170A1 (en) 2008-11-13
RU2473006C2 (ru) 2013-01-20
KR20100018508A (ko) 2010-02-17
BRPI0810915A2 (pt) 2014-10-29
JP5384478B2 (ja) 2014-01-08
US7566147B2 (en) 2009-07-28
EP2142848A1 (en) 2010-01-13

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