CN106555993A - 发光设备 - Google Patents
发光设备 Download PDFInfo
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- CN106555993A CN106555993A CN201611073606.3A CN201611073606A CN106555993A CN 106555993 A CN106555993 A CN 106555993A CN 201611073606 A CN201611073606 A CN 201611073606A CN 106555993 A CN106555993 A CN 106555993A
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- air
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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
- 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
- F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
- F21V29/77—Cooling 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
-
- 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
- F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
-
- 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
- F21V29/83—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks the elements having apertures, ducts or channels, e.g. heat radiation holes
-
- 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
- F21V29/60—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air
- F21V29/67—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air characterised by the arrangement of fans
- F21V29/673—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air characterised by the arrangement of fans the fans being used for intake
-
- 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
- F21V29/60—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air
- F21V29/67—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air characterised by the arrangement of fans
- F21V29/677—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air characterised by the arrangement of fans the fans being used for discharging
-
- 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
- F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
- F21V29/75—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with fins or blades having different shapes, thicknesses or spacing
-
- 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
- F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
- F21V29/76—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section
-
- 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
- F21Y2105/00—Planar light sources
- F21Y2105/10—Planar light sources comprising a two-dimensional array of point-like light-generating elements
-
- 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]
Abstract
一种发光设备至少包括光源(13,33)、光发射表面、空气入口孔(8,9,28)、空气出口孔(8,9,28)以及用于将空气从所述空气入口孔(8,9,28)通过冷却单元(4,24)移至所述空气出口孔的冷却单元(4,24)。所述空气入口孔(8,9,28)和所述空气出口孔(8,9,28)两者与所述光发射表面的至少一部分位于所述发光设备的相同侧。
Description
分案申请说明
本申请是申请日为2010年9月9日、申请号为201080008845.5、名称为“发光设备”的PCT国际申请的中国国家阶段申请的分案申请。
技术领域
本发明涉及至少包括光源、光发射表面、空气入口孔、空气出口孔以及将空气从空气入口孔通过冷却单元移至空气出口孔的冷却单元的发光设备。
背景技术
根据US 2005/0111234A1已知的这样的发光设备包括表面,从该表面发射光以照亮例如房间。发光设备的光发射表面位于发光设备的前侧。发光设备包括壳和光反射器。壳和光反射器之间的空间充当空气通道。空气通道的空气入口孔位于发光设备的插座附近而空气通道的空气出口孔位于发光设备的前侧。通风单元位于空气入口孔和空气出口孔之间,以将空气从空气入口孔通过通风单元移至空气出口,该空气发散LED的热量。通风单元充当冷却单元。也可以将空气的方向反向。
如果这样的发光设备安装在发光设备的后侧处封闭的灯具或天花板中,则将几乎不可能有任何空气流动。进一步地,在空气流从发光设备的前侧导向后侧的情况下,加热后的空气将在天花板之上或在发光设备和灯具之间排出,从而分别加热天花板之上或发光设备与灯具之间的空间。
发明内容
本发明的目标是提供其中通过冷却单元进行的主动冷却得到改进的发光设备。
该目标通过根据本发明的发光设备来实现,在根据本发明的发光设备中,空气入口孔、空气出口孔和光发射表面的至少一部分位于发光设备的相同侧上。
通过具有在发光设备的前侧上的空气入口孔以及空气出口孔(发光设备的光发射表面也位于该前侧上),发光设备也可以用于发光设备自身的后侧封闭或发光设备的后侧将被灯具或天花板封闭或几乎封闭的应用中。由于空气入口孔和空气出口孔两者与发出光的表面的至少一部分位于相同的侧上,所以不存在空气流被阻塞的风险。进入空气入口孔的空气与例如天花板上的空气相比将相对干净,所以将存在发光设备的较少的粉尘污染。离开空气出口孔的空气将在发光设备前的房间的相对大的空间中发散,所以该空间的加热将是最小的。
根据本发明的发光设备的实施例的特征在于空气入口孔和空气出口孔位于光源的相反侧上。
空气出口孔与空气入口孔由光源隔开,所以所发散的加热后的空气将与新鲜空气混合并且在其被冷却之前不再次进入空气入口孔。
根据本发明的发光设备的另一实施例的特征在于该发光设备包括以环状形式布置的多个光源,空气入口孔位于环状形式内,而空气出口孔位于环状形式外,或与之相反。
环状形式可以是圆、椭圆、矩形等。通过在环状形式内定位空气入口孔而在环状形式外定位空气出口孔或与之相反,获得了具有多个光源的紧凑的发光设备,其中由多个光源生成的热可以通过从空气入口孔到空气出口孔的空气流而有效地发散。
根据本发明的发光设备的又一实施例的特征在于该发光设备包括中心轴,通过冷却单元的空气流的方向与中心轴平行。
当空气入口孔位于中心轴附近而环状空气出口孔位于发光设备的周缘附近或与之相反时,这样的流动方向特别合适。
根据本发明的发光设备的进一步的实施例的特征在于该发光设备包括中心轴,通过冷却单元的空气流的方向与中心轴垂直。
当空气入口孔和空气出口孔两者都是半环状并且相对彼此定位时,这样的流动方向特别合适。
根据本发明的发光设备的又一实施例的特征在于该发光设备包括配备有空气入口孔、空气出口孔和用于冷却单元的腔的散热器。
通过在散热器中集成空气入口孔和空气出口孔,将获得紧凑的发光设备。
附图说明
将参考附图更详细地解释本发明,其中:
图1A至图1C分别是根据本发明的发光设备的第一实施例的透视图、底视图和分解透视图,
图2是具有沿第一方向的空气流的如图1A至图1C中所示的发光设备的截面图,
图3是具有沿第二方向的空气流的如图1A至图1C中所示的发光设备的截面图,
图4A至图4C分别是根据本发明的发光设备的第二实施例的透视图、底视图和分解透视图,
图5是具有沿第三方向的空气流的如图4A至图4C中所示的发光设备的截面图。
具体实施方式
在图中,用相同的标号指示相似的部件。
图1A至图1C示出了根据本发明的发光设备1的第一实施例。发光设备1包括杯状外壳2、与外壳2连接的插座3、通风单元4、散热器5和发光单元6。
散热器5包括基板7,基板7具有位于中心的孔8和位于孔8周围、与其有一定距离的多个孔9。散热器5还包括附接于基板7并且位于孔9之间的多个翅片10。在翅片10之间,腔11可用,通风单元4位于其中。通风单元4与基板7平行定位。
发光单元6包括位于中心的孔12和定位在位于中心的孔12周围的环中的四个LED13。LED 13与插座3电耦接。LED 13的光发射表面位于发光设备1的与孔8、9、12相同的侧;在所示出的实施例中,它们位于发光设备的前侧。
在如图2中所示的发光设备1的实施例中,通风单元4将导致沿由箭头P1所指示的方向的空气流动,从而导致空气进入位于中心的孔8,通过通风单元4、沿散热器5的翅片10流动,并且通过孔9离开发光设备1。孔8是空气入口孔而多个孔9是空气出口孔。由箭头P2指示通过发光设备1的空气流的方向。
在如图3中所示的发光设备1的实施例中,通风单元4将导致沿由箭头P3所指示的方向的空气流,从而导致空气进入位于与中心轴14有一定距离的孔9,沿散热器5的翅片10、通过通风单元4流动,并且通过位于中心的孔8离开发光设备1。孔8是空气出口孔而孔9是空气入口孔。由箭头P4指示通过发光设备4的空气流的方向。
在图2和图3中所示的实施例中,通过通风单元4的流的方向与发光设备1的中心轴14平行。
图4A至图4C和图5示出了根据本发明的发光设备21的第二实施例。发光设备21包括杯状外壳22、与外壳22连接的插座23、通风单元24、散热器25和发光单元26。
散热器25包括基板27,基板27具有位于发光设备21的中心轴29周围的多个孔28。散热器25还包括附接于基板27并且位于孔28之间的多个翅片30。在翅片30之间,腔31可用,通风单元24位于其中。通风单元24与基板27垂直定位。
发光单元26包括位于中央轴29周围的环中的四个LED 33。LED33与插座23电耦接。发光设备26包括倾斜的壁34,从而形成用于将空气向通风单元24的进气侧附近的孔28引导、并且将空气远离通风单元24的排气侧附近的孔28引导的空气引导装置。
在发光设备21的实施例中,通风单元24将导致沿由与中心轴29垂直的箭头P5所指示的方向的空气流。空气将进入位于通风单元24的进气侧附近的孔28。然后空气将沿所述孔8附近的散热器25的翅片30流动。空气将继续流动通过通风单元24、沿通风单元24的排气侧的散热器25的翅片10流动,并且将通过孔28离开发光设备21。孔28中的一半是空气入口孔而孔28的另一半是空气出口孔。由箭头P6指示通过发光设备21的空气流的方向。
还可以提供具有开口的外壳22,空气可以通过该开口漏出以冷却插座中的电子部件。
发光设备可以具有驱动器单元,该驱动器单元包括具有电子元件的印刷电路板以驱动所述多个LED。在该情况下,驱动器单元将与插座耦接。优选地,这样的驱动器单元位于外壳内空气流将沿驱动器单元流动的位置以将其冷却。
除了通风单元作为冷却单元之外,可以使用例如合成射流的其他冷却单元以生成空气流。
Claims (6)
1.一种发光设备,具有中央轴和前侧,并且包括:
多个周缘布置的光源,其限定其间的区域并且被配置成通过光发射表面发射光;
至少一个空气入口孔;
至少一个空气出口孔;
冷却单元,用于将空气从所述空气入口孔通过所述冷却单元移动至所述空气出口孔,所述空气入口孔、所述空气出口孔和所述光发射表面的至少一部分被定位在所述发光设备的所述前侧上;
所述多个周缘布置的光源被布置为围绕所述冷却单元的气流孔的环形形状,所述气流孔与所述空气入口孔和所述空气出口孔流体连通;
所述多个周缘布置的光源被布置在所述空气入口孔和所述空气出口孔之间;
其中所述空气入口孔或所述空气出口孔被布置在由所述光源限定的所述区域内,并且其中流经所述冷却单元的气流的方向与所述中央轴平行。
2.根据权利要求1所述的发光设备,其中所述发光设备包括限定所述空气入口孔、所述空气出口孔和用于接收所述冷却单元的腔的散热器。
3.根据权利要求1所述的发光设备,其中所述光源是LED。
4.根据权利要求1所述的发光设备,包括至少四个光源。
5.根据权利要求4所述的发光设备,其中所述空气入口孔相对于所述中央轴在轴向上被布置在所述区域内。
6.根据权利要求5所述的发光设备,包括多个空气出口孔,其周缘布置在所述区域外,使得每个光源被布置在所述空气入口孔和至少一个空气出口孔之间。
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP09171047.5 | 2009-09-23 | ||
EP09171047 | 2009-09-23 | ||
PCT/IB2010/054059 WO2011036591A1 (en) | 2009-09-23 | 2010-09-09 | A lighting device |
CN2010800088455A CN102326024A (zh) | 2009-09-23 | 2010-09-09 | 发光设备 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN2010800088455A Division CN102326024A (zh) | 2009-09-23 | 2010-09-09 | 发光设备 |
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CN106555993A true CN106555993A (zh) | 2017-04-05 |
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Application Number | Title | Priority Date | Filing Date |
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CN2010800088455A Pending CN102326024A (zh) | 2009-09-23 | 2010-09-09 | 发光设备 |
CN201611073606.3A Pending CN106555993A (zh) | 2009-09-23 | 2010-09-09 | 发光设备 |
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CN2010800088455A Pending CN102326024A (zh) | 2009-09-23 | 2010-09-09 | 发光设备 |
Country Status (10)
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US (1) | US8622577B2 (zh) |
EP (1) | EP2480829B1 (zh) |
JP (1) | JP5355722B2 (zh) |
KR (1) | KR101163016B1 (zh) |
CN (2) | CN102326024A (zh) |
BR (1) | BRPI1005987B1 (zh) |
CA (1) | CA2753174C (zh) |
RU (1) | RU2479786C1 (zh) |
SG (1) | SG173765A1 (zh) |
WO (1) | WO2011036591A1 (zh) |
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IN2013CN01172A (zh) * | 2010-08-09 | 2015-07-31 | Koninkl Philips Electronics Nv | |
US20120287651A1 (en) * | 2011-05-09 | 2012-11-15 | Panasonic Corporation | Illumination apparatus and fan unit for illumination apparatus |
JP6057543B2 (ja) * | 2011-05-23 | 2017-01-11 | エルジー イノテック カンパニー リミテッド | 照明装置 |
KR101868470B1 (ko) * | 2011-08-01 | 2018-06-18 | 엘지이노텍 주식회사 | 조명 장치 |
KR101890186B1 (ko) * | 2011-09-09 | 2018-08-21 | 엘지이노텍 주식회사 | 조명 장치 |
KR101297109B1 (ko) * | 2011-12-27 | 2013-08-21 | 주식회사 포스코 | 엘이디 조명장치 |
KR101319486B1 (ko) * | 2012-01-11 | 2013-10-17 | 선온웰스 일렉트릭 머신 인더스트리 컴퍼니 리미티드 | 램프 |
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RU2479786C1 (ru) | 2013-04-20 |
BRPI1005987B1 (pt) | 2019-10-15 |
CA2753174C (en) | 2012-11-20 |
US20120170270A1 (en) | 2012-07-05 |
EP2480829B1 (en) | 2014-04-16 |
KR20110107390A (ko) | 2011-09-30 |
RU2011134646A (ru) | 2013-02-27 |
US8622577B2 (en) | 2014-01-07 |
WO2011036591A1 (en) | 2011-03-31 |
BRPI1005987A2 (pt) | 2016-02-10 |
EP2480829A1 (en) | 2012-08-01 |
CA2753174A1 (en) | 2011-03-31 |
JP5355722B2 (ja) | 2013-11-27 |
CN102326024A (zh) | 2012-01-18 |
KR101163016B1 (ko) | 2012-07-09 |
JP2012519351A (ja) | 2012-08-23 |
SG173765A1 (en) | 2011-09-29 |
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