CN102691948B - 能够多方向调节照射角度的筒灯 - Google Patents
能够多方向调节照射角度的筒灯 Download PDFInfo
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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
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q3/00—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors
- B60Q3/40—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors specially adapted for specific vehicle types
- B60Q3/41—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors specially adapted for specific vehicle types for mass transit vehicles, e.g. buses
- B60Q3/44—Spotlighting, e.g. reading lamps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-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
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/20—Light sources comprising attachment means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
- F21S8/02—Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters
- F21S8/026—Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters intended to be recessed in a ceiling or like overhead structure, e.g. suspended ceiling
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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
- F21V1/00—Shades for light sources, i.e. lampshades for table, floor, wall or ceiling lamps
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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
- F21V14/00—Controlling the distribution of the light emitted by adjustment of elements
- F21V14/02—Controlling the distribution of the light emitted by adjustment of elements by movement of light sources
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
- F21V21/14—Adjustable mountings
- F21V21/30—Pivoted housings or frames
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- 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
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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
- F21V29/71—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks using a combination of separate elements interconnected by heat-conducting means, e.g. with heat pipes or thermally conductive bars between separate heat-sink elements
- F21V29/713—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks using a combination of separate elements interconnected by heat-conducting means, e.g. with heat pipes or thermally conductive bars between separate heat-sink elements in direct thermal and mechanical contact of each other to form a single system
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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
- F21V29/73—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks the elements being adjustable with respect to each other, e.g. hinged
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- 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
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- 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
一种能够多方向调节照射角度的筒灯,其包括:外罩;散热器;和位于所述外罩与散热器之间的光引擎,其中所述光引擎为至少部分球形的形状;所述散热器具有与所述光引擎的球形部分匹配的半球形内表面;所述外罩与所述散热器通过弹性拉伸部件装配在一起,从而使所述散热器的半球形内表面与所述光引擎的球形部分接触;所述筒灯还包括设置在所述弹性拉伸部件附近的销,销的一端固定到所述散热器,另一端延伸穿过所述外罩,通过按压穿过所述外罩的销端部,所述弹性拉伸部件进一步拉伸,使所述散热器与所述光引擎分离,从而能够任意调节所述光引擎的照射角度。
Description
技术领域
本发明涉及一种照明装置,更具体而言,涉及一种能够多方向调节照射角度的筒灯。
背景技术
筒灯是一种常见的室内照明装置,在办公室、礼堂、商场等中广泛应用。通常,筒灯以嵌入方式安装到天花板或墙壁中,从而能够保持建筑装饰的统一与完美。
目前的筒灯大多在安装以后不能调节照射角度,只能沿一个方向照射光束。
近来,也出现了照射角度可调的筒灯,如图1所示。在图1所示的筒灯中,光引擎与散热片结合在一起不可分离,其通过销钉连接到外壳上,并能够绕着销钉的轴线旋转来进行角度调节。但这种筒灯仅能在一个方向调节照射角度,如图1中箭头所示。另外,在这种筒灯中,必须留出空间以供光引擎与散热片摆动来调节角度,这限制了散热片的尺寸,并且外壳不能像传统的不可调节照射角度的筒灯中那样起到散热作用,因而其散热效果较差。
因此,目前的筒灯不能满足一些场合需要在多个方向调节照射角度的要求。
发明内容
本发明即是为了解决上面所述的技术问题,提供一种能够多方向调节照射角度的筒灯。
为解决上述技术问题,本发明提供了一种筒灯,其包括:外罩;散热器;和位于所述外罩与散热器之间的光引擎,其中,所述光引擎为至少部分球形的形状;所述散热器具有与所述光引擎的球形部分匹配的半球形内表面;所述外罩与所述散热器通过弹性拉伸部件装配在一起,从而使所述散热器的半球形内表面与所述光引擎的球形部分接触;所述筒灯还包括设置在所述弹性拉伸部件附近的销,销的一端固定到所述散热器,另一端延伸穿过所述外罩,通过按压穿过所述外罩的销端部,所述弹性拉伸部件进一步拉伸,使所述散热器与所述光引擎分离,从而能够调节所述光引擎的照射角度。
根据本发明的这种筒灯,能够按照需要在任意方向调节光引擎的照射角度,而且其操作非常简便。另外,光引擎与散热器之间具有大的紧密接触面,从而时刻能够保持良好的散热性。
优选地,所述弹性拉伸部件为拉簧。
优选地,所述销的数量为2个,并且对称地布置在所述筒灯中。并且优选地,在每个销的两侧对称地设置有2个所述弹性拉伸部件。
优选地,所述销与所述弹性拉伸部件平行设置。
优选地,所述散热器包括具有所述半球形内表面的半球形部分以及在所述半球形部分的外周形成的多个翅片。通过这种方式,能够提供更大的散热面积,从而进一步改善了其散热性。
优选地,所述外罩为环形结构,并且所述外罩的内径小于所述光引擎的球形部分的外径。
优选地,所述光引擎为LED光引擎。
优选地,所述LED光引擎包括:壳体,所述壳体具有球形轮廓,并具有开口;设置在所述壳体中的铝基板;设置在所述铝基板上的LED光源;和安装到所述壳体的开口处的透明灯罩。
优选地,所述透明灯罩和所述壳体通过螺纹结构装配到一起。
附图说明
图1为仅能在一个方向调节照射角度的筒灯的透视图;
图2为根据本发明优选实施例的筒灯的透视图;
图3图2所示筒灯的分解透视图;
图4为根据本发明优选实施例的筒灯的光引擎的透视图;
图5A、5B为示出根据本发明优选实施例的筒灯和光引擎的内部结构的截面图,其中图5A为组装在一起的完整筒灯的结构,图5B为光引擎的结构;
图6A、6B为本发明的筒灯中的光引擎处于不同照射角度的示意性透视图。
具体实施方式
下面结合附图所示的优选实施例来详细描述本发明的筒灯。
如图2和图3所示,根据本发明的一个优选实施例,提供了一种能够多方向调节照射角度的筒灯10。筒灯10包括:外罩11;散热器12;和位于外罩11与散热器12之间的光引擎13。
图2-3所示的筒灯10整体具有圆柱形轮廓。但应该理解,本发明并不限于此。本发明的筒灯也可具有其他形状的轮廓,如方形、多面体形等。为了描述的方便,在本申请中仅以圆柱形轮廓的筒灯为例进行说明。
如图2、3所示,优选地,外罩11为环形结构,并且在下部具有向外延伸的凸缘111。如本领域技术人员所熟知的,筒灯10安装在天花板或墙壁中后,凸缘111覆盖安装孔的周边。光引擎13由外罩11支撑。
外罩11与散热器12通过弹性拉伸部件14装配在一起。并且,筒灯10还包括设置在弹性拉伸部件14附近的销15。优选地,弹性拉伸部件14和销15设置在外罩11的外周边。具体而言,如图2、3和5A所示,可在外罩11的凸缘111上以及散热器12的外周分别设置突起113、123,用于固定弹性拉伸部件14。销15的一端151固定到散热器12外周的突起上,其固定方式没有限制,例如可以通过焊接或螺纹连接(如借助螺母16)等。销15的另一端152延伸穿过外罩11的凸缘111中的孔112。应该理解,上述装配方式仅为本发明的优选实施方式,本发明并不限于此。例如,在替代实施例中,可以将弹性拉伸部件14和销15设置在外罩11和散热器12的内侧。
可以使用任何适合的弹性拉伸部件,例如拉簧、弹性体等,并通过适合的固定方式对其进行固定。优选地,弹性拉伸部件14为拉簧。拉簧的两端可分别固定到在突起113、123中形成的孔中。
优选地,销15的数量为至少2个,并且沿着外罩11的外周均匀间隔布置。优选地,在每个销15的两侧对称地设置2个弹性拉伸部件14。
优选地,销15与弹性拉伸部件14平行地设置。
图4为根据本发明优选实施例的筒灯10的光引擎13的透视图。如图所示,本发明所使用的光引擎13为至少部分球形的形状。在本发明的筒灯10中,光引擎13与散热器12为分离的结构。换言之,光引擎13与散热器12不是一体的。光引擎13优选地为LED光引擎,但也可使用传统的光引擎。除了形状,本发明对光引擎没有特殊的限制。
图5A、5B以截面图的形式示出根据本发明优选实施例的筒灯10和光引擎13的内部结构。如图5A、5B所示,光引擎13具有至少部分球形的形状。散热器12具有与光引擎13的球形部分匹配的半球形内表面。在散热器12与外罩11通过弹性拉伸部件14装配在一起的情况下,通过弹性拉伸部件14的弹性力,散热器12的半球形内表面与光引擎13的球形部分相互接触,从而散热器12能够为光引擎13提供良好的散热。
优选地,如图2-3、5A所示,散热器12包括具有半球形内表面的半球形部分121以及在所述半球形部分121的外周形成的多个翅片122。优选地,散热器12的整体轮廓为圆柱形。以这种形式,能够提供更大的散热面积。
如上所述,除了要求光引擎13的形状为至少部分球形外,对其没有特殊限制,其可以具有与一般光引擎相同的组成结构。例如,如图5A、5B所示,光引擎13包括:壳体131,所述壳体具有球形轮廓,并具有开口;设置在壳体131中的铝基板132;设置在铝基板132上的LED光源133;和安装到壳体131的开口处的透明灯罩134。LED光源133可通过输入线135连接到电力线路。优选地,透明灯罩134和壳体131通过螺纹结构或螺纹部件136装配到一起。
如图3和5A所示,筒灯10的外罩11优选地还设置有向内延伸的凸缘,并且其开口尺寸(例如,在环形结构的情况下,其内径)小于光引擎13的壳体131的外径,从而光引擎13能够由外罩11支撑。
下面结合图6A-6B描述本发明的筒灯如何能够实现照射角度的多方向调节。
如上所述,光引擎13与散热器12通过弹性拉伸部件14的弹性力而保持接触。如图6A-6B所示,沿箭头所示方向按压销15的穿过外罩11的端部152,使弹性拉伸部件14进一步拉伸,从而使散热器12与光引擎13分离而不再保持紧密接触,由此便能够在任意方向调节光引擎13的照射角度。在将光引擎13调节到需要的照射角度后,松开销15,则在弹性拉伸部件14的弹性力作用下,光引擎13与散热器12重新成为紧密接触的状态。图6A、6B示出本发明的筒灯中的光引擎被调节到不同照射角度的状态。
通过上述结构,能够根据需要任意地调节光引擎13的照射角度,而且其操作非常简便。另外,无论光引擎13处于何种照射角度,光引擎13与散热器12之间都具有很大的紧密接触面,从而时刻能够保持良好的散热性。
Claims (9)
1.一种筒灯(10),其包括:外罩(11);散热器(12);和位于所述外罩(11)与散热器(12)之间的光引擎(13),其特征在于,所述光引擎(13)为至少部分球形的形状;所述散热器(12)具有与所述光引擎(13)的球形部分匹配的半球形内表面;所述外罩(11)与所述散热器(12)通过弹性拉伸部件(14)装配在一起,从而使所述散热器(12)的半球形内表面与所述光引擎(13)的球形部分接触;所述筒灯(10)还包括设置在所述弹性拉伸部件(14)附近的销(15),销(15)的一端(151)固定到所述散热器(12),另一端(152)延伸穿过所述外罩(11),通过按压穿过所述外罩(11)的销端部,所述弹性拉伸部件(14)进一步拉伸,使所述散热器(12)与所述光引擎(13)分离,从而能够调节所述光引擎(13)的照射角度。
2.如权利要求1所述的筒灯(10),其中所述弹性拉伸部件(14)为拉簧。
3.如权利要求1-2中任一项所述的筒灯(10),其中所述销(15)的数量为至少2个,并且所述销(15)延着所述外罩(11)的外周均匀间隔地布置,在每个销(15)的两侧对称地设置有2个所述弹性拉伸部件(14)。
4.如权利要求1-2中任一项所述的筒灯(10),其中所述销(15)与所述弹性拉伸部件(14)平行设置。
5.如权利要求1-2中任一项所述的筒灯(10),其中所述散热器(12)包括具有所述半球形内表面的半球形部分(121)以及在所述半球形部分(121)的外周形成的多个翅片(122)。
6.如权利要求1-2中任一项所述的筒灯(10),其中所述外罩(11)为环形结构,并且所述外罩(11)的内径小于所述光引擎(13)的球形部分的外径。
7.如权利要求1-2中任一项所述的筒灯(10),其中所述光引擎(13)为LED光引擎。
8.如权利要求7所述的筒灯(10),其中所述光引擎(13)包括:
壳体(131),所述壳体(131)具有球形轮廓,并具有开口;
设置在所述壳体(131)中的铝基板(132);
设置在所述铝基板(132)上的LED光源(133);和
安装到所述壳体(131)的开口处的透明灯罩(134)。
9.如权利要求8所述的筒灯,其中所述透明灯罩(134)和所述壳体(131)通过螺纹结构装配到一起。
Priority Applications (4)
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CN201110077333.0A CN102691948B (zh) | 2011-03-23 | 2011-03-23 | 能够多方向调节照射角度的筒灯 |
PCT/EP2012/054194 WO2012126749A1 (en) | 2011-03-23 | 2012-03-12 | Downlight with illumination angle adjustable polydirectionally |
US14/004,175 US9523493B2 (en) | 2011-03-23 | 2012-03-12 | Downlight with illumination angle adjustable polydirectionally |
DE112012000654T DE112012000654T5 (de) | 2011-03-23 | 2012-03-12 | Einbauleuchte mit polydirektional verstellbarem Beleuchtungswinkel |
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CN201110077333.0A CN102691948B (zh) | 2011-03-23 | 2011-03-23 | 能够多方向调节照射角度的筒灯 |
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US (1) | US9523493B2 (zh) |
CN (1) | CN102691948B (zh) |
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WO (1) | WO2012126749A1 (zh) |
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Also Published As
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WO2012126749A1 (en) | 2012-09-27 |
US9523493B2 (en) | 2016-12-20 |
US20140003061A1 (en) | 2014-01-02 |
CN102691948A (zh) | 2012-09-26 |
DE112012000654T5 (de) | 2013-12-19 |
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