CN102852733B - 直立管束烟囱式风力发电装置 - Google Patents

直立管束烟囱式风力发电装置 Download PDF

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CN102852733B
CN102852733B CN201110196596.3A CN201110196596A CN102852733B CN 102852733 B CN102852733 B CN 102852733B CN 201110196596 A CN201110196596 A CN 201110196596A CN 102852733 B CN102852733 B CN 102852733B
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air inlet
power generation
intake pipe
wind power
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CN102852733A (zh
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戴昌贤
苗志铭
邓治东
罗四维
徐子圭
张良吉
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National Pingtung University of Science and Technology
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03DWIND MOTORS
    • F03D9/00Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
    • F03D9/30Wind motors specially adapted for installation in particular locations
    • F03D9/34Wind motors specially adapted for installation in particular locations on stationary objects or on stationary man-made structures
    • F03D9/35Wind motors specially adapted for installation in particular locations on stationary objects or on stationary man-made structures within towers, e.g. using chimney effects
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03DWIND MOTORS
    • F03D1/00Wind motors with rotation axis substantially parallel to the air flow entering the rotor 
    • F03D1/04Wind motors with rotation axis substantially parallel to the air flow entering the rotor  having stationary wind-guiding means, e.g. with shrouds or channels
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03DWIND MOTORS
    • F03D9/00Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
    • F03D9/10Combinations of wind motors with apparatus storing energy
    • F03D9/11Combinations of wind motors with apparatus storing energy storing electrical energy
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03DWIND MOTORS
    • F03D9/00Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
    • F03D9/20Wind motors characterised by the driven apparatus
    • F03D9/25Wind motors characterised by the driven apparatus the apparatus being an electrical generator
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05BINDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00Components
    • F05B2240/10Stators
    • F05B2240/13Stators to collect or cause flow towards or away from turbines
    • F05B2240/131Stators to collect or cause flow towards or away from turbines by means of vertical structures, i.e. chimneys
    • 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
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/72Wind turbines with rotation axis in wind direction
    • 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
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/728Onshore wind turbines

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Wind Motors (AREA)

Abstract

一种直立管束烟囱式风力发电装置,包含:一个进风管,具有一个第一端与一个第二端,该第一端设有数进风口,该进风管内形成一个进风道,该进风管的第一端与第二端之间具有一个径缩部;一个出风管,沿该进风管的外壁环设,具有一个开口端与一个封闭端,该开口端设有数迎风口与数引流口,该出风管的内壁与该进风管的外壁形成一个出风道,该封闭端与进风管的第二端形成一个间隙,使该出风道与进风道的气流由该间隙相通;及一个风力发电装置,具有一个轴流式叶轮与一个发电机构,该轴流式叶轮设于该进风管的径缩部。本发明的直立管束烟囱式风力发电装置有汇集气流与提升风速的作用,可帮助该进风道内的轴流式叶轮旋转,具有提升风力发电效率的功效。

Description

直立管束烟囱式风力发电装置
技术领域
本发明有关于一种风力发电装置,尤其是一种利用直立管束式结构的风力发电装置。
背景技术
为了供给人类生活所需的电能,同时又必须兼顾环境保护与可再生能源的问题,风力发电的应用已经是非常重要的再生能源选项之一,通过大自然所产生的风力推动轴流式叶轮旋转,再带动发电机而发电,发电的能量来源不仅受到的限制较少,发电的过程也能相对减少对环境的恶性负担。
现有风力发电装置主要包含一轴流式叶轮及一发电机构,以水平式风机为例,为提高风能的补取,该轴流式叶轮是迎着风向设置,并通过风力的吹送而转动,进而产生一转动的机械能,再将该机械能传送至该发电机构中的变速齿轮,借助转速比的提高带动该发电机构,将机械能转换成电能,完成风力发电的运作。
现有风力发电的结构,为了使该轴流式叶轮能顺利受到风力吹动,该轴流式叶轮的配置多为一外露的方式,使该轴流式叶轮能直接面对自然风力,通过自然风力的推动而旋转,但该配置方式的轴流式叶轮旋转动力完全倚赖自然风力,当风速不稳定或风速过小时,该风力难以带动该轴流式叶轮旋转,或是旋转的速度过慢,导致该转动的机械能不足以用来发电,使得该风力发电装置失去作用或效果不彰。
此外,现有大型水平式风力发电的结构,当该风机遇到过大的风速时,该轴流式叶轮的转速会大幅提高,为防止该塔架遭受该轴流式叶轮过大的转速而断裂,当风速太大时,会辅以一剎车装置降低该轴流式叶轮的转速,但该措施使得风能无法完全进行利用而导致降低发电效率。
发明内容
本发明的主要目的是提供一种直立管束烟囱式风力发电装置,该直立管束烟囱式结构可汇集气流与增加风速,增加风力发电的效率。
本发明的次要目的是提供一种直立管束烟囱式风力发电装置,该直立管束烟囱式结构遇到高风速时,可将风能完全利用而进行发电。
为达到前述发明目的,本发明所运用的技术手段包含有:
一种直立管束烟囱式风力发电装置,包含:一进风管,具有一第一端与一第二端,该第一端设有数进风口,该进风管内形成一进风道,该进风管的第一端与第二端之间具有一径缩部;一出风管,沿该进风管的外壁环设,具有一开口端与一封闭端,该开口端设有数迎风口与数引流口,该出风管的内壁与该进风管的外壁形成一出风道,该封闭端与进风管的第二端形成一间隙,使该出风道与进风道的气流由该间隙相通;及一风力发电装置,具有一轴流式叶轮与一发电机构,该轴流式叶轮设于该进风管的径缩部。
本发明的直立管束烟囱式风力发电装置,其中,该径缩部还可以为该进风道中截面积最小的通道。
本发明的直立管束烟囱式风力发电装置,其中,该径缩部延伸至该进风管的第二端的通道截面积还可以逐渐扩大。
本发明的直立管束烟囱式风力发电装置,其中,该数迎风口的开口高度还可以皆高于相对应的数引流口的开口高度。
本发明的直立管束烟囱式风力发电装置有汇集气流与提升风速的作用,可帮助该进风道内的轴流式叶轮旋转,具有提升风力发电效率的功效。
附图说明
图1:本发明直立管束烟囱式风力发电装置架构图。
图2:本发明直立管束烟囱式风力发电装置剖面图。
图3:本发明直立管束烟囱式风力发电装置气流示意图。
其中:
具体实施方式
为让本发明的上述及其他目的、特征及优点能更明显易懂,下文特举本发明的较佳实施例,并配合所附图式,作详细说明如下:
请参照图1及图2所示,该直立管束烟囱式风力发电装置包含一进风管1、一出风管2及一发电装置3,该出风管2沿该进风管1的外壁环设,该发电装置3位于该进风管1的内部。
该进风管1为一中空管体,具有一第一端11与一第二端12,该第一端11设有数进风口111,该数进风口111的数量并不设限,较佳可如本实施例中设有第一进风口111a、第二进风口111b及第三进风口111c,以增加气流的汇集量。该进风管1的内壁形成一进风道13,并具有一径缩部14,该径缩部14位于该进风管的第一端11与第二端12之间,且该径缩部14的通道为该进风道13中截面积最小的通道。该进风道13的通道截面积变化,自该第一端11延伸至该径缩部14,并在该径缩部14形成最小通道,再由该径缩部14沿径向方向逐渐扩大并延伸至该进风管1的第二端12。
该出风管2沿着该进风管1的外壁环设,具有一开口端21与一封闭端22,该开口端21设有数迎风口211与数引流口212,该数迎风口211与数引流口212的数量并不设限,较佳可如本实施例中设有第一迎风口211a、第二迎风口211b、第三迎风口211a、第一引流口212a、第二引流口212b及第三引流口212c,以增加排气效率,且该数迎风口211的开口高度皆高于相对应的数引流口212的开口高度。该出风管2的内壁与该进风管1的外壁形成一出风道23,该出风管2的封闭端22与该进风管1的第二端12形成一间隙,使得该进风道13与出风道23的气流由该间隙相互流通。
该发电装置3具有一轴流式叶轮31及一发电机构32,该轴流式叶轮31设置于该进风管1的径缩部14,且该轴流式叶轮31的叶面较佳设于易受风的方向,以利该进风道13的气流风向能带动该轴流式叶轮31旋转,产生一机械能,并将该机械能通过该发电机构32转换成一电能,并传送到外部的储能装置,完成风力发电的运作。
请参阅图3所示,本发明直立管束烟囱式风力发电装置通过该数进风口111汇集自然气流,再将该自然气流引入该进风道13,顺势推动置于该进风道13内的发电装置3,再将该自然气流由该出风道23的数迎风口211与数引流口212排出。更详言之,该进风管1的数进风口111较佳迎着风向设置,使该自然气流能顺利进入该第一进风口111a、第二进风口111b及第三进风口111c,该数进风口111汇集自然气流后,会将该气流推送至该进风道13内,由于该进风道13中的最小通道截面积位于该径缩部14,故该气流会于该径缩部14产生加速行为,增加该处气流流动的速度,并将气流的方向调整至该管式烟囱的轴向方向。当气流通过径缩部14后,由于从该径缩部14延伸至该第二端12的通道截面积逐渐扩大,故该径缩部14至该第二端12的通道流动阻力变小,使得该气流通过该径缩部14后,可以因为压力回复效应而更顺利的流动到该进风管1的第二端12,间接提升该进风道13的径缩部14的气流速度,增加设于该径缩部14内的轴流式叶轮31的转动速度。
由于该出风管2的封闭端22与该进风管1的第二端12设有间隙,使该进风道13与该出风道23的气流相通,故自该进风道13流入的气流,会经由该出风道23的数迎风口211与数引流口212流出,该数迎风口211与该数引流口212的设置方向可随风向调整,较佳使该第一迎风口211a、第二迎风口211b及第三迎风口211c能直接迎向气流流动的方向,使得风力将排出的气流由该数迎风口211吹送到该数引流口212处,由于该数引流口212的高度低于该数迎风口211,故当空气从该数迎风口211被吹往该数引流口212时,通过气流相互牵引的效果,会牵拉该相对低端的该数引流口212处的空气,并于该处形成一相对低压,产生一负压效应,让该数引流口212处的拔风作用更加明显,使该直立管束烟囱式构造同时受到自进风道13流入的自然风力的正压效应,以及该数引流口212的相对低压产生的负压效应,提升该直立管束烟囱式构造的气体流速,进而提升风力发电的效率。
本发明的直立管束烟囱式风力发电装置有汇集气流与提升风速的作用,可帮助该进风道内的轴流式叶轮旋转,具有提升风力发电效率的功效。
本发明的直立管束烟囱式风力发电装置,可不需因维持塔架结构而降低该轴流式叶轮的转速,具有将风能完全利用的功效。

Claims (3)

1.一种直立管束烟囱式风力发电装置,其特征是包含:
一个进风管,具有一个第一端与一个第二端,该第一端设有数个进风口,该进风管内形成一个进风道,该进风管的第一端与第二端之间具有一个径缩部;
一个出风管,沿该进风管的外壁环设,具有一个开口端与一个封闭端,该开口端设有数个迎风口与数个引流口,该数个迎风口的开口高度皆高于相对应的数个引流口的开口高度,该出风管的内壁与该进风管的外壁形成一个出风道,该封闭端与进风管的第二端形成一个间隙,该出风道与进风道的气流由该间隙相通;及
一个风力发电装置,具有一个轴流式叶轮与一个发电机构,该轴流式叶轮设于该进风管的径缩部。
2. 如权利要求1所述的直立管束烟囱式风力发电装置,其特征在于,该径缩部为该进风道中截面积最小的通道。
3. 如权利要求2所述的直立管束烟囱式风力发电装置,其特征在于,该径缩部延伸至该进风管的第二端的通道截面积逐渐扩大。
CN201110196596.3A 2011-06-28 2011-07-14 直立管束烟囱式风力发电装置 Expired - Fee Related CN102852733B (zh)

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