CN106015984A - 散热器及led灯 - Google Patents
散热器及led灯 Download PDFInfo
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- CN106015984A CN106015984A CN201610527799.9A CN201610527799A CN106015984A CN 106015984 A CN106015984 A CN 106015984A CN 201610527799 A CN201610527799 A CN 201610527799A CN 106015984 A CN106015984 A CN 106015984A
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- 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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- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
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- F21K9/23—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings
- F21K9/232—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings specially adapted for generating an essentially omnidirectional light distribution, e.g. with a glass bulb
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- 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
- F21K9/23—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
- F21V23/004—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array arranged on a substrate, e.g. a printed circuit board
- F21V23/006—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array arranged on a substrate, e.g. a printed circuit board the substrate being distinct from the light source holder
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
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- F21V23/007—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array enclosed in a casing
- F21V23/009—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array enclosed in a casing the casing being inside the housing of the lighting device
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
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- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
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Abstract
本发明涉及一种散热器及LED灯,所述的散热器为金属板折弯而成的一体式结构,其主体部分包括间隔相对的两块板及连接两块板的连接板;该散热器是通过一块条状金属板整体折弯形成的一体式结构,主体部分分成间隔相对的两片,成本较金属整体压铸要低,且成型简单;再进一步的,本发明又提供了一种外形与传统光源结构相匹配的LED灯,该LED灯通过一完整的光学玻璃罩子将散热器、LED发光模组等组件包覆于其中,玻璃罩子开口处连接于灯头,整体外形与传统光源无异;同时又使得LED发光模组的结构设计发挥空间更大,更容易实现大角度的设计。
Description
技术领域
本发明涉及LED照明技术领域,特别涉及一种散热器及LED灯。
背景技术
现在一些比较主流LED球泡灯的设计如下:
目前LED灯泡与传统光源结构与外观不相符;比如多数LED灯泡的泡壳为半球形,其连接于筒形散热器上端;相比较传统的光源而言,筒形散热器就占了一半体积,泡壳内空间不够,这样就给泡壳内的LED发光模组的结构设计造成了一定局限性,使大角度发光不容易设计;再就是散热器通常为整体压铸式制成,体积大,且成本较高。
目前LED灯丝灯虽然做到以上两点,但LED灯丝灯成本较高,工艺复杂,可靠性低,寿命短,散热问题不易解决。
发明内容
本发明针对上述现有技术中存在的不足,首先提供了一种加工工艺简单、成本低的散热器,该散热器是通过一块金属板整体折弯形成的一体式结构,主体部分分成间隔相对的两片,成本较金属整体压铸要低,且成型简单;再进一步的,本发明又提供了一种外形与传统光源结构相匹配的LED灯,该LED灯通过一完整的光学玻璃罩子将散热器、LED发光模组等组件包覆于其中,玻璃罩子开口处连接于灯头,整体外形与传统光源无异;同时又使得LED发光模组的结构设计发挥空间更大,更容易实现大角度的设计,LED发光模组的导热则通过散热器传导至灯头处进行散热,解决了散热问题,同时整体装配也更加简单。
本发明的技术方案是这样实现的:
一种散热器,所述的散热器为金属板折弯而成的一体式结构,其主体部分包括间隔相对的两块板及连接两块板的连接板。
作为优选,所述的散热器包括用以承托LED光源模组的承托部以及用以传热的导热部,所述的承托部包括间隔相对的两块承托板,所述的连接板用于连接两块承托板;所述的导热部包括间隔相对的两块导热板,且两块导热板各自与两块承托板相连。散热器包括承托部及导热部两个部分,分别发挥各自的作用。
为了更好的对LED光源模组进行支撑,使LED光源模组的每个面都有依托,作为优选,连接板或承托板上带有用以对LED光源模组辅助支撑的支撑板,所述的支撑板弯折至两个承托板之间的位置。
作为优选,所述的支撑板所处的平面与承托板所处的平面垂直。
为了提高导热效果,作为优选,所述的金属板为铝板。
一种LED灯,包括:
至少一个LED光源模组,用于发光;
电源模块,用于驱动LED光源模组发光;
灯头,用于将电网与电源模块电连接;
一个玻璃罩子,对LED光源模组发出的光进行漫反射;
以及如权上所述的对LED光源模组散发的热量进行散热的散热器,其中,所述的玻璃罩子将所述的LED光源模组、散热器包覆于其中,且玻璃罩子直接与灯头相连。
为了遮盖散热器,避免影响外观效果,同时提高漫反射效果,作为优选,所述的玻璃罩子为非透明玻璃罩子。
作为优选,所述的玻璃罩子与灯头胶粘固定。
由于散热器为金属材料,为了避免短路,作为优选,在散热器下端连接有绝缘件,灯头与绝缘件螺纹连接。
作为优选,所述的绝缘件为一中空环状体,所述的导热部插入所述的中空环状体内并与中空环状体过盈配合。
作为优选,在所述中空环状体的内圈上设有与导热部相配合的插槽,所述的导热部插在所述的插槽内。具体的说,在中空环状体上开设有与导热板相配合的插槽,导热板插在插槽内。
作为优选,所述的LED光源模组整体为一棱柱体,所述的棱柱体至少有两个面与所述承托部接触。
作为优选,所述的LED光源模组整体为一四棱柱体,所述的四棱柱体具有一顶面及沿顶面四边向下延伸的四个侧面,在顶面及侧面上设有LED芯片。
为了使LED光源模组更加稳定的固定在承托部上,作为优选,还包括一用于固定所述的LED光源模组的保护罩,所述的保护罩套在LED光源模组上。
作为优选,所述的保护罩包括一中空多边体及沿中空多边体的顶点向下延伸的多个止挡柱,相邻的两个止挡柱间形成用于露出LED光源模组的中空带。
作为优选,保护罩的下端与承托部通过卡钩方式相配合。
作为优选,在电源模块上设有插针,在LED光源模组上设有针座,所述的插针插在针座上。插针插在针座上即可对LED光源模组进行供电,不用再用导线焊锡进行连接。
为了方便对电源模块进行固定,作为优选,在绝缘件内设有卡槽,电源模块安装在所述的卡槽内。
相较于现有技术,本发明首先提供了一种加工工艺简单、成本低的散热器,该散热器是通过一块条状金属板整体折弯形成的一体式结构,主体部分分成间隔相对的两片,成本较金属整体压铸要低,且成型简单。
再进一步的,本发明又提供了一种外形与传统光源结构相匹配的LED灯,该LED灯通过一完整的光学玻璃罩子将散热器、LED发光模组等组件包覆于其中,玻璃罩子开口处连接于灯头,整体外形与传统光源无异;同时又使得LED发光模组的结构设计发挥空间更大,更容易实现大角度的设计,LED发光模组的导热则通过散热器传导至灯头处进行散热,解决了散热问题,同时整体装配也更加简单。电源模块直接设置在散热器内并通过插针与LED光源模组上预设的针座插接,实现了电气化连接,更加方便,装配更加简单。
附图说明
图1为本发明LED灯的平面状态示意图;
图2为图1的剖视状态示意图;
图3为本发明LED灯的拆分状态示意图;
图4为本发明LED灯另一角度的拆分状态示意图;
图5为本发明散热器的立体结构示意图;
图6为本发明实施例中LED光源模组的立体结构示意图;
图7为本发明实施例中LED光源模组的拆分状态示意图;
图8为本发明实施例中散热器与绝缘件的连接结构示意图。
具体实施方式
本发明的具体实施方式如下:
实施例:一种散热器,如图5所示,所述的散热器为金属板30折弯而成的一体式结构,所述的金属板30优选为铝板,其主体部分包括间隔相对的两块板31及连接两块板31的连接板32。
具体的说,所述的散热器包括用以承托LED光源模组的承托部33以及用以传热的导热部34,所述的承托部33包括间隔相对的两块承托板331,所述的连接板32用于连接两块承托板331;所述的导热部34包括间隔相对的两块导热板341,且两块导热板341各自与两块承托板331相连。散热器同侧的承托板331与导热板341处在同一平面上,或是通过转弯件相连而两者又保持平行。
再进一步说,连接板32或承托板331上带有用以对LED光源模组辅助支撑的支撑板332,所述的支撑板332弯折至两个承托板331之间的位置,且所述的支撑板332所处的平面与承托板331所处的平面垂直。
再进一步说,本发明又提供了一种LED灯,如图1~8所示,包括:
至少一个LED光源模组45,用于发光;
电源模块12,用于驱动LED光源模组45发光;
灯头10,用于将电网与电源模块12电连接;
一个玻璃罩子13,对LED光源模组45发出的光进行漫反射;
以及如上所述的对LED光源模组45散发的热量进行散热的散热器41,其中,所述的玻璃罩子13将所述的LED光源模组45、散热器41包覆于其中,且玻璃罩子13直接与灯头10相连。
所述的玻璃罩子13为非透明玻璃罩子,所述的玻璃罩子13与灯头10胶粘固定。
如图8所示,由于散热器为金属材料,为避免短路,在散热器41下端连接有绝缘件21,绝缘件21为导热塑料制成,绝缘件21上设有外螺纹,灯头10与绝缘件21螺纹连接。所述的绝缘件21为一中空环状体,所述的导热部34插入所述的中空环状体内并与中空环状体过盈配合;再具体的说,在所述中空环状体的内圈上设有与导热部34相配合的插槽42,所述的导热部34插在所述的插槽42内;再具体的说,插槽42是与导热板341插接配合。
所述的LED光源模组45整体为一棱柱体,所述的棱柱体至少有两个面与所述承托部33接触;再进一步说,所述的LED光源模组45整体为一四棱柱体,所述的四棱柱体具有一顶面及沿顶面四边向下延伸的四个侧面,在顶面及侧面上设有LED芯片。
具体的说,本实施例的一种LED光源模组45,如图6~图7所示,该模组包括第一、第二LED灯带1、2,第一LED灯带1包括第一中间部3及对称设置在第一中间部3两侧且折弯设置的第一翼片4,在第一翼片4上设有LED芯片5;第二LED灯带2包括第二中间部6及对称设置在第二中间部6两侧且折弯设置的第二翼片7,在第二翼片7上设有LED芯片5;第一LED灯带1、第二LED灯带2十字交叉且第一、第二中间部1、2叠放在一起,第一、第二中间部1、2通过点焊实现电气化连接。
第一翼片4与第一中间部3所成的角度为90度;第二翼片7与第二中间部6所成的角度为90度;在未被遮盖的第一中间部3或第二中间部6表面设有LED芯片5;具体是说,第一中间部3叠放于第二中间部6上,第一中间部3中间镂空将第二中间部6表面露出,在第二中间部6表面设有LED芯片5。此种方式更为巧妙。第一、第二中间部3、6搭接在一起既能够实现电气化连接,又不阻碍LED芯片的安装与发光。
第一中间部3、第一翼片4的形状为矩形,第二中间部6、第二翼片7的形状也为矩形;第一中间部3的两侧与各自临近的第一翼片4留有间隔,第一中间部3通过第一柔性线路板8与第一翼片4相连,LED芯片5设置在第一柔性线路板8上;同理,第二中间部6的两侧与各自临近的第二翼片7留有间隔,第二中间部6通过第二柔性线路板9与第二翼片7相连,LED芯片5设置在第二柔性线路板9上。柔性线路板的设置既能够将中间部与翼片连接在一起,又可以方便实现电气化连接,同时又方便折弯成所需形状。
如图3、4所示,LED光源模组45套在承托部上后,为了方便固定,本实施例还提供了一种用于固定所述的LED光源模组的保护罩44,所述的保护罩44套在LED光源模组45上,所述的保护罩44包括一中空多边体441及沿中空多边体441的顶点向下延伸的多个止挡柱442,止挡柱442下端通过一收紧环443相连,相邻的两个止挡柱442间形成用于露出LED光源模组中LED芯片的中空带444。且保护罩44的下端与承托部33通过卡钩445连接固定;具体的说,承托部33的支撑板332上带有弯钩446,卡钩445卡在弯钩446上。
保护罩44的设计可以使得LED光源模组不用再用胶水粘贴在承托部上。
在绝缘件21内设有卡槽43,电源模块12为一驱动线路板,电源模块12安装在所述的卡槽43内。在电源模块12上设有插针16,在LED光源模组上设有针座17,所述的插针16插在针座17上。
本发明优选实施例只是用于帮助阐述本发明。优选实施例并没有详尽叙述所有的细节,也不限制该发明仅为所述的具体实施方式。显然,根据本说明书的内容,可作很多的修改和变化。本说明书选取并具体描述这些实施例,是为了更好地解释本发明的原理和实际应用,从而使所属技术领域技术人员能很好地利用本发明。本发明仅受权利要求书及其全部范围和等效物的限制。以上公开的仅为本申请的几个具体实施例,但本申请并非局限于此,任何本领域的技术人员能思之的变化,都应落在本申请的保护范围内。
Claims (18)
1.一种散热器,其特征是:所述的散热器为金属板折弯而成的一体式结构,其主体部分包括间隔相对的两块板及连接两块板的连接板。
2.根据权利要求1所述的一种散热器,其特征是:所述的散热器包括用以承托LED光源模组的承托部以及用以传热的导热部,所述的承托部包括间隔相对的两块承托板,所述的连接板用于连接两块承托板;所述的导热部包括间隔相对的两块导热板,且两块导热板各自与两块承托板相连。
3.根据权利要求2所述的一种散热器,其特征是:连接板或承托板上带有用以对LED光源模组辅助支撑的支撑板,所述的支撑板弯折至两个承托板之间的位置。
4.根据权利要求3所述的一种散热器,其特征是:所述的支撑板所处的平面与承托板所处的平面垂直。
5.根据权利要求1所述的一种散热器,其特征是:所述的金属板为铝板。
6.一种LED灯,其特征是包括:
至少一个LED光源模组,用于发光;
电源模块,用于驱动LED光源模组发光;
灯头,用于将电网与电源模块电连接;
一个玻璃罩子,对LED光源模组发出的光进行漫反射;
以及如权1~5任一项权利要求所述的对LED光源模组散发的热量进行散热的散热器,其中,所述的玻璃罩子将所述的LED光源模组、散热器包覆于其中,且玻璃罩子直接与灯头相连。
7.根据权利要求6所述的一种LED灯,其特征是:所述的玻璃罩子为非透明玻璃罩子。
8.根据权利要求6所述的一种LED灯,其特征是:所述的玻璃罩子与灯头胶粘固定。
9.根据权利要求6所述的LED灯,其特征是:在散热器下端连接有绝缘件,灯头与绝缘件螺纹连接。
10.根据权利要求9所述的LED灯,其特征是:所述的绝缘件为一中空环状体,所述的导热部插入所述的中空环状体内并与中空环状体过盈配合。
11.根据权利要求10所述的LED灯,其特征是:在所述中空环状体的内圈上设有与导热部相配合的插槽,所述的导热部插在所述的插槽内。
12.根据权利要求6所述的LED灯,其特征是:所述的LED光源模组整体为一棱柱体,所述的棱柱体至少有两个面与所述承托部接触。
13.根据权利要求12所述的LED灯,其特征是:所述的LED光源模组整体为一四棱柱体,所述的四棱柱体具有一顶面及沿顶面四边向下延伸的四个侧面,在顶面及侧面上设有LED芯片。
14.根据权利要求6所述的LED灯,其特征是:还包括一用于固定所述的LED光源模组的保护罩,所述的保护罩套在LED光源模组上。
15.根据权利要求14所述的LED灯,其特征是:所述的保护罩包括一中空多边体及沿中空多边体的顶点向下延伸的多个止挡柱,相邻的两个止挡柱间形成用于露出LED光源模组的中空带。
16.根据权利要求14所述的LED灯,其特征是:保护罩的下端与承托部通过卡钩方式相配合。
17.根据权利要求6所述的LED灯,其特征是:在电源模块上设有插针,在LED光源模组上设有针座,所述的插针插在针座上。
18.根据权利要求10所述的LED灯,其特征是:在绝缘件内设有卡槽,电源模块安装在所述的卡槽内。
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CN201610527799.9A CN106015984A (zh) | 2016-06-30 | 2016-06-30 | 散热器及led灯 |
US15/752,733 US20180245785A1 (en) | 2016-06-30 | 2017-06-29 | Heat sink and led light bulb having heat sink |
EP17819286.0A EP3479009A4 (en) | 2016-06-30 | 2017-06-29 | HEAT SINK AND LED BULB WITH HEAT SINK |
PCT/CN2017/090692 WO2018001289A1 (en) | 2016-06-30 | 2017-06-29 | Heat sink and led light bulb having heat sink |
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EP3479009A1 (en) | 2019-05-08 |
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