CN101561107B - 发光二极管照明装置 - Google Patents

发光二极管照明装置 Download PDF

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CN101561107B
CN101561107B CN200810301149A CN200810301149A CN101561107B CN 101561107 B CN101561107 B CN 101561107B CN 200810301149 A CN200810301149 A CN 200810301149A CN 200810301149 A CN200810301149 A CN 200810301149A CN 101561107 B CN101561107 B CN 101561107B
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light emitting
emitting diode
circuit board
illuminating apparatus
heat
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CN101561107A (zh
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陈杰良
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Hongfujin Precision Industry Shenzhen Co Ltd
Hon Hai Precision Industry Co Ltd
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Hongfujin Precision Industry Shenzhen Co Ltd
Hon Hai Precision Industry Co Ltd
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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
    • F21S9/00—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply
    • F21S9/02—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a battery or accumulator
    • F21S9/026—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a battery or accumulator rechargeable by using wind power, e.g. using wind turbines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S9/00—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply
    • F21S9/02—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a battery or accumulator
    • F21S9/03—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a battery or accumulator rechargeable by exposure to light
    • F21S9/037—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a battery or accumulator rechargeable by exposure to light the solar unit and the lighting unit being located within or on the same housing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S9/00—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply
    • F21S9/04—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a generator
    • F21S9/043—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a generator driven by wind power, e.g. by wind turbines
    • 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
    • F21V29/77—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
    • 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]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/72—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps in street lighting

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Led Device Packages (AREA)
  • Wind Motors (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)

Abstract

一种发光二极管照明装置，其包括一个电路板、多个发光二极管及一个能量转换单元。所述多个发光二极管设置在所述电路板上并分别与所述电路板电性连接。所述能量转换单元与所述电路板电性连接，所述能量转换单元将风能转换为电能为所述多个发光二极管提供电能。所述的发光二极管照明装置利用能量转换单元将自然风力转换为电能以使所述多个发光二极管发光，满足能源可循环使用及环保的需求。

Description

发光二极管照明装置
技术领域
本发明涉及一种电子装置，尤其涉及一种应用发光二极管的照明装置。
背景技术
目前，发光二极管(Light Emitting Diode，LED)因具光质佳(也即LED光源射出的光谱)及发光效率高等特性而逐渐取代冷阴极荧光灯(Cold Cathode Fluorescent Lamp，CCFL)作为照明装置的发光元件，具体可参阅Michael S.Shur等人在文献Proceedings ofthe IEEE，Vol.93，No.10(2005年10月)中发表的“Solid-StateLighting：Toward Superior Illumination”一文。
然而，随着不可再生能源的缺乏以及环保能源的倡导，利用可循环及环保能源的发光二极管照明装置成为人们迫切的需要。
发明内容
有鉴于此，有必要提供一种可循环利用及环保能源的发光二极管照明装置。
一种发光二极管照明装置，其包括一个电路板、多个发光二极管及一个能量转换单元。所述多个发光二极管设置在所述电路板上并分别与所述电路板电性连接。所述能量转换单元与所述电路板电性连接，所述能量转换单元将风能转换为电能为所述多个发光二极管提供电能。
相较于现有技术，所述的发光二极管照明装置利用能量转换单元将风能转换为电能为所述多个发光二极管提供电能，满足能源可循环使用及环保的需求。
附图说明
图1为本发明的第一实施方式的发光二极管照明装置示意图；
图2为图1的发光二极管照明装置的叶片单元与发电机的传动示意图；
图3为图1的发光二极管照明装置的模块示意图；
图4为本发明的第二实施方式的发光二极管照明装置示意图。
具体实施方式
下面将结合附图对本发明实施方式作进一步的详细说明。
请参阅图1，为本发明第一实施方式的发光二极管照明装置100，其包括一个电路板10、多个发光二极管20及一个能量转换单元40。所述多个发光二极管20设置在所述电路板10上并分别与电路板10电性连接，所述能量转换单元40将风能转换为电能为所述多个发光二极管20提供电能。
本实施方式中，每个发光二极管20的直径为5毫米(mm)，功耗25瓦特(w)。本实施方式中，多个发光二极管20以多点矩阵方式排列在电路板10上。
能量转换单元40包括一个支撑杆42、一个支撑座44、一个叶片单元46，一个发电机48及一个电源49。所述支撑杆42设置在所述支撑座44上。支撑杆42与支撑座44采用焊接或锁固等固定方式固定即可。所述叶片单元46设置在支撑杆42上，所述发电机48及所述电源49分别设置在支撑座44上。
叶片单元46包括一个本体43及多个与所述本体43活动连接的叶片组件43a。如图2所示，叶片组件43a包括多个叶片45及一个转轴47。叶片45的旋转可带动转轴47转动。本实施方式中，叶片单元46包括三个叶片45。叶片单元46的本体43固定在支撑杆42上。本实施方式中，本体43固定在支撑杆42的顶端。叶片单元46的本体43采用焊接或锁固等固定方式固定在支撑杆42上即可。本实施方式中，本体43采用焊接方式固定在支撑杆42上以使叶片单元46工作时性能稳定。
电路板10设置在支撑杆42上。本实施方式中，电路板10位于叶片单元46的下方。电路板10采用焊接或锁固等固定方式固定在支撑杆42上即可。本实施方式中，电路板10采用焊接方式固定在支撑杆42上以使电路板10上的发光二极管20工作时性能稳定。
如图2所示，发电机48包括一个转子48a及一个定子48b。所述转子48a通过一个传动带50与叶片组件43a的转轴47相连接。叶片46带动转轴47沿图2中箭头S所示的方向的旋转以使传动带50沿箭头M与N的方向传动，从而带动发电机48的转子48a沿箭头P所示方向转动，转子48a转动以使定子48b输出电压。
如图3所示，发电机48通过定子48b与电源49及电路板10依次电性连接，即定子48b输出电压至电源49，电源49通过电路板10分别与每个发光二极管20均形成电性连接为各发光二极管20提供电能。本实施方式中，电源为电池组。可以理解，电源49可通过导线等电性连接元件(图未示)沿支撑杆42连至电路板10并与电路板10电性连接。
风力带动叶片单元46的叶片45绕本体43转动以带动转轴47转动，并通过传动带50带动发电机48的转子48a转动从而使发电机48的定子48b输出电压至电源49，电源49存储电能并输出至各发光二极管20以使其发光。
进一步，发电机48与电源49之间可设置一个可控开关S1。S1连通时，发电机48与电源49电性连接，即发电机48的定子48b输出电压至电源49。S1断开时，发电机48与电源49断开，即发电机48的定子48b不输出电压至电源49。
电源49与电路板10之间可设置一个可控开关S2。S2连通时，电源49与电路板10电性连接，即电源49为电路板10的每个发光二极管20提供发光电能。S2断开时，电源49与电路板10断开，即电源49停止为电路板10的每个发光二极管20提供电能使其发光。
为保证电能的合理利用，可通过设置一个控制芯片(图未示)设定可控开关S1及S2的开启时间及关闭时间，如在白天(一般设为6:00至18:00，可随季节及需要更改)时S1连通，S2断开，将叶片单元46的片45通过自然风力带动发电机48的转子48a转动从而使发电机48的定子48b输出电压给电源49并存储。在黑夜(一般设为18:00至次日6:00，可随季节及需要更改)时S1断开，S2连通，从而电源49为电路板10的每个发光二极管20提供电能使其发光。
可以理解，为延长发电机48与电源49的使用寿命，可将发电机48与电源49埋在地下。
发光二极管照明装置100将自然风的风能转换为电能为多个发光二极管20提供电能以使各发光二极管20发光，满足能源可循环使用及环保的需求。
请参阅图4，为本发明第二实施方式的发光二极管照明装置200，其与第一实施方式的发光二极管照明装置100的不同之处在于：发光二极管照明装置200进一步包括一个散热单元60。电路板10具有一个安装面16，各发光二极管20均设置在安装面16上并分别与电路板10电性连接。散热单元60设置在叶片单元46与电路板10上的与安装面16相对的表面之间且散热单元60与叶片单元46相对应。叶片单元46将风能通过发电机48转换为电能至电源49为各发光二极管20提供电能。
所述散热单元60包括一个散热基板62及多个散热鳍片66。散热基板62及多个散热鳍片66依次设置在电路板10上与安装面16相对的表面。本实施方式中，散热基板62与所述多个散热鳍片66一体成型。本实施方式中，散热基板62可通过夹具设置在与电路板10的安装面16相对的表面上。
风力带动叶片单元46的叶片45绕本体43转动将风能通过发电机48转换为电能至电源49为各发光二极管20提供电能使其发光的同时，各发光二极管20发光时所散发的热量通过散热鳍片66散热并利用与散热鳍片66相对应设置的叶片单元46的转动更快的带走热量。
本实施方式的发光二极管照明装置200除了具有第一实施方式的发光二极管照明装置100的优点外，还具有利用自然风带动叶片单元46的转动带走散热鳍片66散发出的热量，使发光二极管20发光时的热量更快的散发至空气中，提高发光二极管照明装置200的安全性及延长使用寿命的效果。
另外，本领域技术人员还可以在本发明精神内做其它变化，当然，这些依据本发明精神所做的变化，都应包含在本发明所要求保护的范围之内。

Claims (8)

1.一种发光二极管照明装置，其包括一个电路板及多个发光二极管，所述多个发光二极管设置在所述电路板上并分别与所述电路板电性连接，其特征在于，所述发光二极管照明装置还包括一个能量转换单元，所述能量转换单元与所述电路板电性连接，所述能量转换单元包括一叶片单元，利用该叶片单元转动，所述能量转换单元将风能转换为电能为所述多个发光二极管提供使其发光的电能，所述发光二极管照明装置还包括一个散热单元，所述电路板包括一个安装面以及一与该安装面相对的表面，所述各发光二极管设置在所述安装面，所述散热单元设置在所述叶片单元与所述电路板上的安装面相对的表面之间，且散热单元与叶片单元相对应，叶片单元的转动带走散热单元散发出的热量。
2.如权利要求1所述的发光二极管照明装置，其特征在于，所述的能量转换单元还包括一个支撑杆、一个支撑座、一个发电机及一个电源，所述支撑杆设置在所述支撑座上，所述电路板及所述叶片单元分别设置在所述支撑杆上，所述发电机及所述电源分别设置在支撑座上且所述电源与所述电路板电性连接，所述叶片单元转动使发电机发电并将电能通过所述电源输出至所述电路板。
3.如权利要求2所述的发光二极管照明装置，其特征在于，所述叶片单元包括一个本体及一个叶片组件，所述叶片组件与所述本体活动连接，所述本体固定在所述支撑杆上。
4.如权利要求3所述的发光二极管照明装置，其特征在于，所述叶片组件包括多个叶片及一个转轴，所述多个叶片的旋转带动所述转轴转动。
5.如权利要求4所述的发光二极管照明装置，其特征在于，所述发电机包括一个转子及一个定子，所述转子通过一个传动带与所述叶片组件的转轴相连接，所述转轴的转动带动所述转子转动以使所述定子输出电压。
6.如权利要求2所述的发光二极管照明装置，其特征在于，所述电源包括一个电池组。
7.如权利要求1所述的发光二极管照明装置，其特征在于，所述散热单元包括一个散热基板及多个散热鳍片，所述散热基板与所述多个散热鳍片依次设置在与所述电路板的安装面相对的表面上。
8.如权利要求7所述的发光二极管照明装置，其特征在于，所述散热基板与所述多个散热鳍片一体成型。
CN200810301149A 2008-04-16 2008-04-16 发光二极管照明装置 Expired - Fee Related CN101561107B (zh)

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