CN101566294B - 路灯系统 - Google Patents

路灯系统 Download PDF

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CN101566294B
CN101566294B CN200810301219XA CN200810301219A CN101566294B CN 101566294 B CN101566294 B CN 101566294B CN 200810301219X A CN200810301219X A CN 200810301219XA CN 200810301219 A CN200810301219 A CN 200810301219A CN 101566294 B CN101566294 B CN 101566294B
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lamp stand
main body
windmill
generator
lamp system
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CN101566294A (zh
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赖志铭
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Foxsemicon Integrated Technology Shanghai Inc
Foxsemicon Integrated Technology Inc
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Foxsemicon Integrated Technology Shanghai Inc
Foxsemicon Integrated Technology Inc
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50Cooling arrangements
    • F21V29/70Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/74Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
    • F21V29/76Cooling 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00Lighting devices intended for fixed installation
    • F21S8/08Lighting devices intended for fixed installation with a standard
    • F21S8/085Lighting devices intended for fixed installation with a standard of high-built type, e.g. street light
    • F21S8/086Lighting devices intended for fixed installation with a standard of high-built type, e.g. street light with lighting device attached sideways of the standard, e.g. for roads and highways
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S9/00Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply
    • F21S9/02Lighting 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
    • F21S9/026Lighting 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S9/00Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply
    • F21S9/02Lighting 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
    • F21S9/03Lighting 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S9/00Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply
    • F21S9/04Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a generator
    • F21S9/043Lighting 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21WINDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2131/00Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/10Outdoor lighting
    • F21W2131/103Outdoor lighting of streets or roads
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21YINDEXING 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
    • F21Y2115/00Light-generating elements of semiconductor light sources
    • F21Y2115/10Light-emitting diodes [LED]
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/72Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps in street lighting

Abstract

本发明提供一种路灯系统,包括一个中空的灯杆,该灯杆开设有进气口及出气口,该进气口与该出气口之间形成一个气体流通路径;一个照明装置,其包括至少一个固态光源及一个散热装置,该散热装置位于该灯杆的气体流通路径上;一个发电机,其用以提供电源至该照明装置;一个风车,其可接受外界风力之驱动而旋转;一个连接轴,其设置在该灯杆内且分别与该风车及该发电机耦合,该连接轴由该风车带动其旋转,进而驱动该发电机进行发电;以及多个扇片,其与该连接轴耦合且位于该灯杆内,该多个扇片由该连接轴带动其旋转,以对照明装置进行散热。该路灯系统可由风车所驱动的发电机及多个扇片分别提供照明装置的发光及散热,具有环保节能的积极意义。

Description

路灯系统 
技术领域
本发明涉及一种路灯系统,尤其涉及一种利用风力对固态光源供电及散热的路灯系统。 
背景技术
由于发光二极管(Light emitting Diode,LED)具有体积小、效率高、不含汞及寿命长等优点,因此其能够取代现有的荧光灯或者白炽灯,以减少能源的消耗及二氧化碳的排放量。具体请参阅Daniel A.Steigerwald等人在IEEEJournal on Selected Topics in Quantum Electronics,Vol.8,No.2,March/April2002上发表的文献Illumination With Solid State Lighting Technology。 
然而,发光二极管在工作时会产生大量的热,如散热不佳则可能使其发光强度发生衰减,从而导致其发光效率低下,使用寿命缩短。另外,在现有技术中,对发光二极管进行散热通常是采用散热装置,如风扇等带动气流流动来达成,而驱动风扇运转需要在一定程度上损耗电能,此有悖于节能环保的要求。 
有鉴于此,提供一种环保节能的路灯系统显有必要。 
发明内容
下面将以实施例说明一种环保节能的路灯系统。 
一种路灯系统,包括一个中空的灯杆,该灯杆开设有至少一个进气口及至少一个出气口,该至少一个进气口与该至少一个出气口之间形成一个气体流通路径;一个照明装置,其包括至少一个固态光源及与该至少一个固态光源热性连接的一个散热装置,该照明装置设置在该灯杆上且该散热装置位于该灯杆的气体流通路径上;一个发电机,其电连接至该照明装置以提供电源至该照明装置;一个风车,其设置在该灯杆的顶部且裸露在外界,以接受外界风力之驱动而旋转;一个连接轴,其设置在该灯杆内且分别与该风车及该发电机耦合,该连接轴由该风车带动其旋转,进而驱动该发电机进行发电; 以及多个扇片,其与该连接轴耦合且位于该灯杆内,该多个扇片由该连接轴带动其旋转,以对照明装置进行散热。 
相对于现有技术,本发明所提供的路灯系统,其设置有一个风车、多个扇片、一个旋转轴及一个发电机,一方面,该风车可受外界风力驱动旋转,进而通过与其耦合的旋转轴驱动该发电机发电,从而对照明装置上的固态光源供电以使其发光;另一方面,该旋转轴可带动该多个扇片旋转,以对照明装置起散热作用。上述照明装置的发光及散热分别可由风车所驱动的发电机及多个扇片提供,其无需耗费现有技术中利用常规能源,如煤炭,石油,水力等转化成的电能,具有环保节能的积极意义。 
附图说明
图1是本发明第一实施例提供的一种路灯系统的结构示意图。 
图2是图1所示路灯系统的部分结构分解示意图。 
图3是本发明第二实施例提供的一种路灯系统的结构示意图。 
图4是本发明第三实施例提供的一种路灯系统的结构示意图。 
具体实施方式
下面将结合附图对本发明作进一步的详细说明。 
请参阅图1,为本发明第一实施例提供的一种路灯系统10,其包括一个照明装置110、一个灯杆120、一个旋转轴131、一个风车132、多个扇片133及一个发电机134。 
请一起参阅图2,该照明装置110包括至少一个固态光源(图未示)及一个散热装置112,该至少一个固态光源可发射光以对路面进行照明,其可具体为发光二极管(Light emitting Diode,LED),或是其它发光元件,如荧光灯,白炽灯等,且其数目可设置为多个。该多个发光二极管与该散热装置112之间可通过设置一个电路板113进行连接,其中,该多个发光二极管设置在该电路板113的一侧。该散热装置112包括多个散热鳍片,其可设置在该电路板113相对的另一侧。由此该多个发光二极管与该散热装置112形成热性连接。另外,该照明装置110可进一步包括一个光罩114,以利用该光罩114对该多个发光二极管所发射的光进行光学变换,如光学扩散或光学聚集,从而调整该多个发光二极的照明范围。当然,可以理解,该光罩114还兼具有 保护该多个发光二极管的作用,如防尘、防水等。 
该灯杆120包括一个灯杆主体121,以及由该灯杆主体121延伸出来的一个分支杆122。其中,该灯杆主体121及该分支杆122分别为一个中空杆,且该中空的灯杆主体121与该中空的分支杆122相贯通。该分支杆122的远离灯杆主体121的一端开设有至少一个进气口(air inlet)120a,该灯杆主体121的顶部开设有至少一个出气口(air outlet)120b,该至少一个进气口120a与该至少一个出气口120b之间形成一个气体流通路径(如图1中箭头I、II所示)。该照明装置110设置在该分支杆122上,且其散热装置112位于该分支杆122的气体流通路径上,该多个散热鳍片沿该气体流通路径所在方向设置。 
该旋转轴131与该灯杆主体121同轴设置且位于该灯杆主体121内,其两端分别与该风车132及该发电机134机械耦合,其中,该风车132设置在该灯杆主体121的顶部且裸露在外界,该发电机134位于该灯杆主体121内。另外,该多个扇片133与该旋转轴131机械耦合且位于该气体流通路径上。 
该旋转轴131可通过一个轴承160与该灯杆主体121的顶部相连接。工作时,该灯杆120可设置于道路边,一方面,该风车132可受外界风力驱动以带动该旋转轴131旋转,该旋转轴131在旋转时可驱动与其机械耦合的发电机134发电,从而对该至少一个固态光源提供电源,使该固态光源发光以起到照明作用;另一方面,当该旋转轴131旋转时,该多个扇片132也随该旋转轴131一起旋转,从而在该灯杆120的气体流通路径上形成气体流通,使得外界空气可由该至少一个进气口120a吸入该灯杆120中,当进入灯杆120的气体流经该照明装置110的散热装置112时,其可将该散热装置112所散发出的热量带离,并由该至少一个出气口120b排出,从而对至少一个固态光源起散热作用,以保障该至少一个固态光源的发光效率。 
由于上述照明装置110的发光及散热分别可由风车132所驱动的发电机134及多个扇片133提供,而无需耗费现有技术中利用常规能源,如煤炭,石油,水力等转化成的电能,因此有效地达到了环保节能的目的。 
可以理解的是,该路灯系统10可进一步包括一个蓄电装置(power storagedevice)150,如一个蓄电池,且该蓄电装置150分别与该发电机134及该照明装置110电性连接。由此,该发电机134发电并可对该蓄电装置150进行充电,该蓄电装置150可蓄存发电机134发出的电能,以在必要时点亮固态光源进行照明。另外,该分支杆122的数目可根据路面的照明强度需要进行 设定,其可设置为多个以相对应地安装多个照明装置110。 
请参阅图3,本发明第二实施例所提供的一种路灯系统20,相对于本发明第一实施例所提供的路灯系统10,不同之处在于:灯杆221上进一步延伸出一个支撑杆223,该支撑杆223的远离灯杆主体221的一端连接一个太阳能电池板260。 
该太阳能电池板260与蓄电装置250电性连接,且该太阳能电池板260可在白天时接受太阳光照,以将太阳光能转化为电能并储存在该蓄电装置250中。 
相较于路灯系统10,该路灯系统20可同时将风能和太阳能转化为电能,因此,其可提供更多的电能以供照明装置210发光。 
请参阅图4,本发明第三实施例所提供的一种路灯系统30,相较于本发明第一实施例所提供的路灯系统10,其不同之处在于:灯杆320仅包括一个灯杆主体321,且对应地,照明装置310设置在灯杆主体321上,另外,至少一个进气口320a开设在灯杆主体321的远离该风车332的一端。 
由于本实例例中灯杆320仅包括一个灯杆主体321,因此,气体流通路径(如图4中箭头III所示)仅形成在该灯杆主体321上。 
本实施例中的路灯系统30同样可通过风车332所驱动的发动机334及多个扇片333分别提供照明装置310的发光及散热。 
可以理解的是,对于本领域的普通技术人员来说,可以根据本发明的技术构思做出其它各种相应的改变与变形,而所有这些改变与变形都应属于本发明权利要求的保护范围。 

Claims (9)

1.一种路灯系统,包括:
一个中空的灯杆,该灯杆开设有至少一个进气口及至少一个出气口,该至少一个进气口与该至少一个出气口之间形成一个气体流通路径;
一个照明装置,其包括至少一个固态光源及与该至少一个固态光源热性连接的一个散热装置,该照明装置设置在该灯杆上且该散热装置位于该灯杆的气体流通路径上;
一个发电机,其电连接至该照明装置以提供电源至该照明装置;
一个风车,其设置在该灯杆的顶部且裸露在外界,以接受外界风力之驱动而旋转;
一个连接轴,其设置在该灯杆内且分别与该风车及该发电机耦合,该连接轴由该风车带动其旋转,进而驱动该发电机进行发电;以及
多个扇片,其与该连接轴耦合且位于该灯杆内,该多个扇片由该连接轴带动其旋转,以对照明装置进行散热。
2.如权利要求1所述的路灯系统,其特征在于,所述路灯系统进一步包括一个蓄电装置,该蓄电装置分别与该发电机及该照明装置电性连接,且该蓄电装置由该发电机对其进行充电。
3.如权利要求2所述的路灯系统,其特征在于,该蓄电装置为一个蓄电池。
4.如权利要求1所述的路灯系统,其特征在于,该灯杆包括一个灯杆主体及至少一个由该灯杆主体延伸出来的分支杆,该照明装置设置在该至少一个分支杆上。
5.如权利要求4所述的路灯系统,其特征在于,该路灯系统进一步包括一个支撑杆及一个太阳能电池板,该支撑杆由该灯杆主体延伸出来,该太阳能电池板连接在该支撑杆的远离灯杆主体的一端。
6.如权利要求4所述的路灯系统,其特征在于,该至少一个进气口开设在该至少一个分支杆的远离该灯杆主体的一端,该至少一个出气口设置在该灯杆主体的邻近该风车的一端。 
7.如权利要求1所述的路灯系统,其特征在于,该灯杆具有一个灯杆主体,该至少一个出气口设置在该灯杆主体的邻近该风车的一端,该至少一个进气口开设在该灯杆主体的远离该风车的另一端。
8.如权利要求1所述的路灯系统,其特征在于,该照明装置的散热装置包括多个沿该气体流通路径所在方向设置的散热鳍片。
9.如权利要求1所述的路灯系统,其特征在于,该至少一个固态光源为至少一个发光二极管。 
CN200810301219XA 2008-04-21 2008-04-21 路灯系统 Expired - Fee Related CN101566294B (zh)

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CN200810301219XA CN101566294B (zh) 2008-04-21 2008-04-21 路灯系统
US12/274,493 US20090262525A1 (en) 2008-04-21 2008-11-20 Street lamp system

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