CN101761796A - 发光二极管灯具 - Google Patents

发光二极管灯具 Download PDF

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Publication number
CN101761796A
CN101761796A CN200810306510A CN200810306510A CN101761796A CN 101761796 A CN101761796 A CN 101761796A CN 200810306510 A CN200810306510 A CN 200810306510A CN 200810306510 A CN200810306510 A CN 200810306510A CN 101761796 A CN101761796 A CN 101761796A
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lamp
light emitting
emitting diode
reflector
lamp door
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CN101761796B (zh
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房海明
陈永东
翁世勋
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Hong Jun Precision Industry Co ltd
Fuzhun Precision Industry Shenzhen Co Ltd
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Hong Jun Precision Industry Co ltd
Fuzhun Precision Industry Shenzhen Co Ltd
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Priority to US12/468,053 priority patent/US8096681B2/en
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    • 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
    • F21V7/00Reflectors for light sources
    • F21V7/0083Array of reflectors for a cluster of light sources, e.g. arrangement of multiple light sources in one plane
    • 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
    • F21V19/00Fastening of light sources or lamp holders
    • 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
    • F21V19/00Fastening of light sources or lamp holders
    • F21V19/001Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
    • 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
    • F21V3/00Globes; Bowls; Cover glasses
    • 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
    • F21V7/00Reflectors for light sources
    • F21V7/0008Reflectors for light sources providing for indirect lighting
    • 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
    • F21Y2105/00Planar light sources
    • F21Y2105/10Planar light sources comprising a two-dimensional array of point-like light-generating elements
    • 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]
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2924/00Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
    • H01L2924/0001Technical content checked by a classifier
    • H01L2924/0002Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00

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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)

Abstract

一种发光二极管灯具,包括一灯框、置于灯框内的一反射体及若干发光二极管模组,及盖设在灯框一开口处的一灯罩,所述灯框由导热性能良好的材料制成且与所述发光二极管模组导热连接,所述反射体包括若干相互连接的反射单元,每一反射单元将一对应的发光二极管模组与其它发光二极管模组隔开,每一发光二极管模组的出光的一侧朝向一对应的反射单元且背向该灯罩。与现有技术相比,本发明的发光二极管灯具内设置的反射体,使平面型的发光二极管模组产生立体的光源效果,在不增加发光二极管的数量的前提下,增大了发光二极管灯具的照明面积。

Description

发光二极管灯具
技术领域
本发明涉及一种照明装置,特别是指一种发光二极管灯具。
背景技术
发光二极管光源作为一种新兴的第三代光源,虽然现在还不能大规模取代传统的白炽灯,但是其具有工作寿命长、节能、环保等优点,而普遍被市场看好。而且,目前由发光二极管组成的模组能产生大功率、高亮度的光源,因此将广泛地、革命性地取代传统的白炽灯等现有的光源,进而成为符合节能环保主题的主要光源。
传统的发光二极管灯具包括一板状的散热器及水平贴置于散热器底部的一发光二极管模组,这样形成的发光二极管灯具实际是一个平面光源,当发光二极管模组处于工作状态时,其产生的灯光直接照射到外面,其照射方向单一且照射面积有限,并且经常出现炫光过大、灯体表面明暗不均、局部暗影等情况。
发明内容
有鉴于此,有必要提供一种可将平面光源转化为立体光源以增大照明面积的发光二极管灯具。
一种发光二极管灯具,包括一灯框、置于灯框内的一反射体及若干发光二极管模组,及盖设在灯框一开口处的一灯罩,所述灯框由导热性能良好的材料制成且与所述发光二极管模组导热连接,所述反射体包括若干相互连接的反射单元,每一反射单元将一对应的发光二极管模组与其它发光二极管模组隔开,每一发光二极管模组的出光的一侧朝向一对应的反射单元且背向该灯罩。
与现有技术相比,本发明的发光二极管灯具内设置的反射体,使平面型的发光二极管模组产生立体的光源效果,在不增加发光二极管的数量的前提下,增大了发光二极管灯具的照明面积。
下面参照附图,结合具体实施例对本发明作进一步的描述。
附图说明
图1为本发明发光二极管灯具的一实施例的立体组合图。
图2为图1中发光二极管灯具的倒置图。
图3为图1中发光二极管灯具的立体分解图。
图4为图3中发光二极管灯具的倒置图。
图5为图1中发光二极管灯具沿V-V线的局部剖视图。
具体实施方式
请参考图1-4,本发明发光二极管灯具包括一电源盒10、置于该电源盒10上的一灯框20、贴设在灯框20底部的若干散热器30、容置在灯框20内的一反射体40及若干发光二极管模组50、用以将发光二极管模组50固定在灯框20内的若干固定架60及盖设在灯框20上的一灯罩70。
请同时参考图5,上述电源盒10为立方体形,其包括六个相互连接的矩形侧板12,该六侧板12共同围成一容置空间14,一驱动模组16容置于该容置空间14内并通过螺钉18固定在电源盒10底部的一侧板12上,该电源盒10顶部的一侧板12固定在灯框20底部中央。电源盒10顶部的该侧板12上开设若干通孔120,驱动模组16通过电线(图未示)穿过该通孔120与发光二极管模组50电性连接,从而为发光二极管模组50提供电源及控制信号等。
上述灯框20由导热性能良好的材料如铝、铜等一体成型,其包括相互连接的若干灯框单元22,每一灯框单元22的横截面为梯形。每一灯框单元22具有一矩形底板222、自底板222较长的两边倾斜向上延伸而出的二折板224及自底板222较短的两边垂直向上延伸而出的二挡板226,从而每一灯框单元22内形成一容置空间220,每一发光二极管模组50对应容置在其中一灯框单元22的容置空间220内,相邻的灯框单元22间通过各自相应的折板224相连接。
每一散热器30包括一纵长的基板32及自基板32表面垂直延伸出的若干鳍片34。每一散热器30的基板32对应贴设于其中一灯框单元22的底板222的底面上。上述散热器30中位于中间的四较短的散热器30延其长度方向形成一间隙(图未标),上述电源盒10穿过该间隙固定在灯框20上。
上述反射体40由一片状板材弯折而成,其形状与灯框20的形状相对应,以使其底侧表面能够紧密贴置在灯框20的内壁上,保证反射体40在使用过程中不会发生变形。该反射体40的顶侧朝向其上的发光二极管模组50。该反射体40包括相互连接的若干反射单元42,每一反射单元42的横截面为梯形。每一反射单元42包括一矩形底板422及自底板422较长的两边倾斜向上延伸而出的二折板424,相邻的反射单元42间通过各自相应的折板424相连接。反射体40的顶侧表面上涂有一层反光材料,因而发光二极管模组50发出的光可由反射体40反射到灯罩70外。
每一发光二极管模组50包括一矩形的电路板52及贴设在电路板52上的若干发光二极管54。
每一固定架60由一片状金属板材弯折而成,其包括一矩形本体62及自本体62末端沿本体62一侧垂直延伸而成的二固定部64。每一发光二极管模组50对应贴设在一固定架60本体62的下表面上,使每一发光二极管模组50出光的一侧朝向反射体40的一对应的底板422。每一固定架60的固定部64对应固定在灯框20的一灯框单元22的挡板226的内侧面上,该固定架60的固定部64可根据需要固定在灯框单元22的挡板226的某一位置来调节发光二极管灯具的照射亮度及光线的照射角度。发光二极管模组50工作时产生的热量可通过上述固定架60传导至灯框20及与之相连的散热器30。可以理解地,本发明的发光二极管灯具的固定架60可以省去,代之以灯框20的挡板226上一体延伸的结构来固定发光二极管模组50。
上述灯罩70由玻璃等透明或半透明材料制成,从而从反射体40反射的光可透过灯罩70。当灯罩70由半透明材料制成时,发光二极管模组50发出的光透过该灯罩70可变得更为柔和,避免产生眩光效果。该灯罩70为矩形的平板状,其盖置在灯框20的开口处并将发光二极管模组50遮罩在灯框20内。
组装该发光二极管灯具时,先将各散热器30对应固定在灯框20的底板222上,然后将电源盒10固定在灯框20底板222中央,将反射体40设置在灯框20内,使反射体40底侧表面贴设在灯框20的内壁上,将上述发光二极管模组50贴设在相应固定架60本体62的下表面上,将连接发光二极管模组50的固定架60对应固定在灯框20的各灯框单元22的挡板226上,最后将灯罩70盖置在灯框20的开口处,从而完成发光二极管灯具的组装。
该发光二极管灯具工作时,发光二极管模组50由驱动模组16提供电源从而产生光线。如图5中的箭头所示,光线投射到反射体40上,经反射体40反射后透过灯罩70到达灯具外。由于上述各发光二极管模组50出光的一侧朝向反射体40的各底板422,每一反射单元42通过各自倾斜的折板424将一对应的发光二极管模组50与其它发光二极管模组50隔开,发光二极管54中央和两侧的光全部落在反射体40的底板422和折板424上,使发光二极管模组50沿不同方向出射的光均能经反射体40不同部位反射并沿不同角度投射到灯具外,发光二极管模组50发出的光线经反射体40反射后的照射角度增大,从而获得较大的照明面积。同时每一发光二极管模组50发出的光线相互叠加,增强了整个灯具光线照射的亮度。因此,与现有技术相比,本发明的发光二极管灯具的反射体40可将发光二极管模组50平面型的光源转化为较大照射角度的立体光源,在不增加发光二极管模组50数量的前提下,增大了发光二极管灯具的照明面积。

Claims (9)

1.一种发光二极管灯具,包括一灯框、置于灯框内的一反射体及若干发光二极管模组,及盖设在灯框一开口处的一灯罩,其特征在于:所述灯框由导热性能良好的材料制成且与所述发光二极管模组导热连接,所述反射体包括若干相互连接的反射单元,每一反射单元将一对应的发光二极管模组与其它发光二极管模组隔开,每一发光二极管模组的出光的一侧朝向一对应的反射单元且背向该灯罩。
2.如权利要求1所述的发光二极管灯具,其特征在于:所述反射体由一片状板材弯折而成,每一反射单元的横截面为梯形,其包括一底板及自底板两侧倾斜延伸出的二折板,每一发光二极管模组的出光的一侧朝向一对应的反射单元的底板,相邻的反射单元间通过各自相应的折板相连接。
3.如权利要求1所述的发光二极管灯具,其特征在于:所述灯框的形状与反射体的形状相对应,反射体的底侧表面贴设在该灯框内壁。
4.如权利要求1所述的发光二极管灯具,其特征在于:所述灯框包括相互连接的若干灯框单元,反射体的各反射单元一一对应地容置在灯框的各灯框单元内,每一灯框单元包括一底板、自底板较长的两边倾斜向上延伸出的二折板及自底板较短的两边垂直向上延伸而出的二挡板,所述各发光二极管模组对应固定在灯框的各挡板上,每一发光二极管模组出光的一侧朝向反射体的一对应的底板,相邻的灯框单元间通过各自相应的折板相连接。
5.如权利要求4所述的发光二极管灯具,其特征在于:还包括若干固定架,每一固定架由一金属材料制成,其包括一本体及自本体末端延伸而成的二固定部,每一发光二极管模组对应贴设在一固定架本体上,每一固定架的固定部对应固定在灯框的一灯框单元的挡板上。
6.如权利要求4所述的发光二极管灯具,其特征在于:还包括一电源盒,该电源盒为立方体形,其包括相互连接的六矩形侧板,电源盒顶部的一侧板与灯框的底板相连接。
7.如权利要求6所述的发光二极管灯具,其特征在于:还包括一驱动模组,该驱动模组容置在电源盒内并通过电线与发光二极管模组电性连接。
8.如权利要求4所述的发光二极管灯具,其特征在于:还包括若干散热器,每一散热器包括一纵长的基板及自基板表面垂直延伸出的若干鳍片,每一散热器的基板对应贴设于灯框的一灯框单元的底板上。
9.如权利要求1所述的发光二极管灯具,其特征在于:所述灯罩由透明或半透明材料制成。
CN2008103065106A 2008-12-24 2008-12-24 发光二极管灯具 Expired - Fee Related CN101761796B (zh)

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