CN202188331U - 灯泡结构 - Google Patents

灯泡结构 Download PDF

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CN202188331U
CN202188331U CN2011202259830U CN201120225983U CN202188331U CN 202188331 U CN202188331 U CN 202188331U CN 2011202259830 U CN2011202259830 U CN 2011202259830U CN 201120225983 U CN201120225983 U CN 201120225983U CN 202188331 U CN202188331 U CN 202188331U
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light emitting
pyramid
emitting diode
bulb structure
lampshade
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廖志铭
詹朝坤
黄日昇
庄基富
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Enlight Corp
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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
    • 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
    • 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
    • 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
    • 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
    • F21V23/007—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
    • 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
    • F21V29/773—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 the planes containing the fins or blades having the direction of the light emitting axis
    • 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
    • F21V3/00—Globes; Bowls; Cover glasses
    • 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
    • F21Y2107/00—Light sources with three-dimensionally disposed 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
    • F21Y2107/00—Light sources with three-dimensionally disposed light-generating elements
    • F21Y2107/40—Light sources with three-dimensionally disposed light-generating elements on the sides of polyhedrons, e.g. cubes or pyramids
    • 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

一种灯泡结构，其包括一灯座、设置于该灯座一端的一灯头、设置于该灯座另一端的一散热座以及一灯罩。其中该散热座具有一角锥体，该角锥体的周缘形成多个相连接的锥面，这些锥面设置多个发光二极管，而该灯罩罩覆于该角锥体及这些发光二极管外侧。本实用新型利用发光二极管取代钨丝作为发光源，并且将发光二极管设置于散热座的角锥体；藉此，可使灯泡结构具有较高的散热效率。

Description

灯泡结构
技术领域
本实用新型涉及一种灯泡结构，尤指一种利用发光二极管作为发光源的灯泡结构。
背景技术
已知钨丝灯泡虽被广泛使用，然而，其具有以下缺点：耗电量大、使用寿命短、亮度低。由于发光二极管具有省电、寿命长、亮度高且无灯丝烧断问题，使得目前的灯泡以发光二极管取代钨丝来作为光源。
发光二极管运作时会产生大量的热能，因此如何提供一种具有较高散热效率，以使发光二极管所产生热量能够有效散逸的灯泡，实为业界努力的课题。
于是，本发明人有感上述缺陷的可改善，终于提出一种设计合理且有效改善上述缺陷的本实用新型。
实用新型内容
本实用新型的主要目的，在于提供一种具有较高散热效率的灯泡结构。
为了达成上述的目的，本实用新型提供一种灯泡结构，包括一灯座；一灯头，其设置于该灯座的一端；一散热座，其设置于该灯座的另一端，该散热座具有一角锥体，该角锥体的周缘形成多个相连接的锥面；多个发光二极管，其设置于这些锥面；以及一灯罩，其罩覆于该角锥体及这些发光二极管外侧。
进一步地，发光二极管具有一铝基板，铝基板抵接于锥面。
进一步地，角锥体的末端中央处形成一平面，平面设有一另一发光二极管，灯罩罩覆于另一发光二极管外侧。
进一步地，另一发光二极管具有一另一铝基板，另一铝基板抵接于平面。
进一步地，散热座具有一座体，角锥体与座体为一体成型，灯罩设置于座体。
进一步地，座体的周缘设有多个散热鳍片。
进一步地，角锥体为三角锥体、四角锥体或五角锥体。
进一步地，灯罩为圆球状或椭圆球状。
本实用新型的有益效果在于：本实用新型利用发光二极管取代钨丝作为发光源，故灯泡结构较为省电、使用寿命较长且亮度较高。又，各该发光二极管设置于角锥体周缘的锥面，可利用散热座及角锥体的散热特性，据以使得发光二极管的热量较快速地散逸，同时通过这些锥面来增加整体的散热面积，以提升灯泡结构的散热效率。
为使能更进一步了解本实用新型的特征及技术内容，请参阅以下有关本实用新型的详细说明与附图，然而所附图式仅提供参考与说明用，并非用来对本实用新型加以限制。
附图说明
图1为本实用新型灯泡结构第一实施例的立体分解示意图。
图2为本实用新型灯泡结构第一实施例的立体组合示意图。
图3为图2的3-3剖视示意图。
图4为本实用新型灯泡结构第二实施例的立体示意图，其中灯罩与散热座呈分离状态。
图5为本实用新型灯泡结构第三实施例的立体示意图，其中灯罩与散热座呈分离状态。
图6为本实用新型灯泡结构第四实施例的立体示意图，其中灯罩与散热座呈分离状态。
【主要元件符号说明】
1   灯罩
2   散热座
21  角锥体
21a 锥面
21b 平面
22  座体
23  散热鳍片
3A  发光二极管
31  铝基板
32  发光部
3B  发光二极管
33  铝基板
34  发光部
4   灯座
41  本体
42  接合部
5   灯头
6   驱动电路单元
具体实施方式
〔第一实施例〕
请参阅图1、图2及图3，为本实用新型的灯泡结构的第一实施例。本实用新型提供一种利用发光二极管作为发光源的灯泡结构，其包括一灯座4、一灯头5、一散热座2、多个发光二极管3A及一灯罩1。其中该灯头5设置于该灯座4的一端(此处为下端)，其外观形状和作用并非本实用新型诉求的重点，故不予以赘述。
该散热座2以具导热性的金属材料(例如：铝)制成，其可为中空或实心结构体，散热座2设置于该灯座4的另一端(此处为上端)，该散热座2包括一座体22及一角锥体21。该座体22的周缘设有多个散热鳍片23。该角锥体21与该座体22为一体成型，该角锥体21的周缘形成相连接且呈倾斜的多个锥面21a。角锥体21的末端(此处为上端)中央处形成一平面21b。
这些发光二极管3A设置于这些锥面21a。每一发光二极管3A具有一铝基板31及连接该铝基板31的一发光部32，在本实施例中，角锥体21为四角锥体，且其锥面21a的数量为四个。发光二极管3A的数量为两个，且该两发光二极管3A的铝基板31分别抵接于该角锥体21相对的两个锥面21a。因此，发光二极管3A所产生的热量可经由铝基板32传导至角锥体21，再经由座体22散出，以达成良好的散热效果。
该灯罩1设置于该散热座2的座体22，且罩覆于该角锥体21及这些发光二极管3A外侧，该灯罩1呈圆球状或椭圆球状，且灯罩1可为透明的玻璃灯罩或雾面的塑料灯罩，但不限定。发光二极管3A的发光部32所发出的光线可穿透该灯罩1而朝外射出。
此外，请再参阅图1及图3，该灯座4具有一本体41及自该本体41一体向外延伸的一接合部42。该本体41为一中空壳体，于内部组设容置一驱动电路单元6，该驱动电路单元6分别与该灯头5及这些发光二极管3A电性连接。该接合部42抵接于该散热座2的座体22，另一端连接于该灯头5。
〔第二实施例〕
请参阅图4，为本实用新型的灯泡结构的第二实施例，其中相同的元件仍与第一实施例采用相同的标号表示，该第二实施例与第一实施例的差异处在于：角锥体21为三角锥体，且锥面21a的数量为三个。发光二极管3A的数量为三个，且每一发光二极管3A的铝基板31抵接于角锥体21对应的锥面21a。因此，使得本实用新型的灯泡结构形成一具有三面发光功效的立体发光结构。
〔第三实施例〕
请参阅图5，为本实用新型的灯泡结构的第三实施例，其中相同的元件仍与第二实施例采用相同的标号表示，该第三实施例与第二实施例的差异处在于：该角锥体21的平面21b上进一步地设置一发光二极管3B，该灯罩1罩覆于角锥体21、发光二极管3A及发光二极管3B外侧。因此，使得本实用新型的灯泡结构形成一具有四面发光功效的立体发光结构。其中发光二极管3B具有一铝基板33及连接铝基板33的发光部34，铝基板33抵接于该平面21b，而得以使发光二极管3B同样通过角锥体21达成散热的作用。
〔第四实施例〕
请参阅图6，为本实用新型的灯泡结构的第四实施例，其中相同的元件仍与第三实施例采用相同的标号表示，该第四实施例与第三实施例的差异处在于：角锥体21为五角锥体，且其锥面21a的数量为五个。各锥面21a设置有发光二极管3A，而平面21b设置有发光二极管3B。藉此，使得本实用新型的灯泡结构形成一具有六面发光功效的立体发光结构。
综上所述，本实用新型利用发光二极管取代钨丝作为发光源，故灯泡结构较为省电、使用寿命较长且亮度较高。又，各发光二极管设置于角锥体周缘的锥面，可利用散热座及角锥体的散热特性，使得发光二极管的热量较快速地散逸，同时通过这些锥面来增加整体的散热面积，以提升灯泡结构的散热效率。此外，在上述各实施例中，角锥体所列举的形状仅为参考，并未有限定，只要是截面为多边形的角锥体皆可。
再者，本实用新型将多个发光二极管设置于角锥体周缘的多个倾斜锥面，当这些发光二极管发光时，各发光二极管朝向不同方向发光，从而使得各发光二极管的光线可相互支持，以扩大灯泡结构的发光角度及照射范围。另外，当角锥体的平面也进一步地设置有发光二极管时，又可更进一步地扩大灯泡结构的发光角度及照射范围。
以上所述仅为本实用新型的实施例，非意欲局限本实用新型的权利要求范围。

Claims (8)

1.一种灯泡结构，其特征在于，包括：
一灯座；
一灯头，其设置于所述灯座的一端；
一散热座，其设置于所述灯座的另一端，所述散热座具有一角锥体，所述角锥体的周缘形成多个相连接的锥面；
多个发光二极管，其设置于所述锥面；
一灯罩，其罩覆于所述角锥体及所述发光二极管外侧。
2.根据权利要求1所述的灯泡结构，其特征在于，所述发光二极管具有一铝基板，所述铝基板抵接于所述锥面。
3.根据权利要求2所述的灯泡结构，其特征在于，所述角锥体的末端中央处形成一平面，所述平面设有一另一发光二极管，所述灯罩罩覆于所述另一发光二极管外侧。
4.根据权利要求3所述的灯泡结构，其特征在于，所述另一发光二极管具有一另一铝基板，所述另一铝基板抵接于所述平面。
5.根据权利要求1、2、3或4所述的灯泡结构，其特征在于，所述散热座具有一座体，所述角锥体与所述座体为一体成型，所述灯罩设置于所述座体。
6.根据权利要求5所述的灯泡结构，其特征在于，所述座体的周缘设有多个散热鳍片。
7.根据权利要求1、2、3或4所述的灯泡结构，其特征在于，所述角锥体为三角锥体、四角锥体或五角锥体。
8.根据权利要求1、2、3或4所述的灯泡结构，其特征在于，所述灯罩为圆球状或椭圆球状。
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