CN101583795A - 风力发电装置 - Google Patents
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
- F03D9/20—Wind motors characterised by the driven apparatus
- F03D9/25—Wind motors characterised by the driven apparatus the apparatus being an electrical generator
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- F03D9/30—Wind motors specially adapted for installation in particular locations
- F03D9/34—Wind motors specially adapted for installation in particular locations on stationary objects or on stationary man-made structures
- F03D9/35—Wind motors specially adapted for installation in particular locations on stationary objects or on stationary man-made structures within towers, e.g. using chimney effects
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
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- F05B2240/10—Stators
- F05B2240/13—Stators to collect or cause flow towards or away from turbines
- F05B2240/131—Stators to collect or cause flow towards or away from turbines by means of vertical structures, i.e. chimneys
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- F05B2250/00—Geometry
- F05B2250/20—Geometry three-dimensional
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F05B2260/00—Function
- F05B2260/40—Transmission of power
- F05B2260/403—Transmission of power through the shape of the drive components
- F05B2260/4031—Transmission of power through the shape of the drive components as in toothed gearing
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- Y02E10/728—Onshore wind turbines
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- 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
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Abstract
本发明提供与风向无关、能有效利用较弱的风的能量高效率地进行发电、能以简单的结构容易地应对大型化、高输出化的风力发电装置。该风力发电装置包括:风洞,由从地基面沿铅直方向直立设置的筒状构件构成;多个集风板,从上述筒状构件的周壁沿法线方向延伸出;上下多个导向板,从上述筒状构件的周壁沿法线方向延伸出;多个风入口,将由上述集风板收集的风导入到上述风洞内;逆流防止部件,仅容许风从筒状构件外部向筒状构件内部流通;涡轮,被从上述风洞的一端部吹出的风驱动;发电机,被该涡轮驱动。
Description
技术领域
本发明涉及一种风力发电装置,具体涉及有效地利用具有自然风力的能量进行发电的风力发电装置。
背景技术
以往提出有各种形式的风力发电装置,并且正在使用中。其中,提出有一种在风洞的侧面部以90度间隔设置4处风入口、利用进入到风洞内的风使叶片旋转的方式的风力发电装置(例如,参照专利文献1)。
专利文献1:日本特开2004-190506号公报
但是,上述的叶片旋转式风力发电装置存在不能使风洞周围的风高效率地进入到风洞内的问题,还存在进入到风洞内的风从风洞内吹向风下游侧这样的问题,不能说是有效利用风的能量。另外,以往也通过将喇叭状的开口朝向风上游侧来进行收集风,但必须根据风向调节开口的朝向,需要复杂的机构,难以大型化。
发明内容
因此,本发明的目的在于提供一种与风向无关、能有效利用较弱的风的能量高效率地进行发电、能以简单的结构容易地应对大型化、高输出化的风力发电装置。
本发明的风力发电装置包括风洞、顶板、逆流防止部件、涡轮、发电机、多个集风板、多个风入口、多个导向板;上述风洞由从地基面沿铅直方向直立设置的筒状构件构成;上述多个集风板从上述筒状构件的周壁沿法线方向延伸出;上述顶板用于封闭该集风板相互间及筒状构件的上端开口;上述多个风入口设于上述筒状构件的周壁上,将由上述集风板收集的风导入到上述风洞内;上述逆流防止部件设于该风入口,仅容许风从筒状构件外部向筒状构件内部流通,而限制风从内部向外部流通;上述多个导向板设于相邻的集风板之间,将由集风板收集的风向下方引导;上述涡轮被从上述风洞的一端部吹出的风驱动;上述发电机被该涡轮驱动。
另外,本发明的风力发电装置在相邻的上述集风板的外部侧之间设有第2逆流防止部件较佳,该第2逆流防止部件仅容许风从外部向集风板之间流通,而限制风从集风板之间向外部流通。另外,上述集风板沿筒状构件的周向以等间隔设置6张较佳。优选在上述风洞内设置用于将进入到该风洞内的过量的风排出的过量风排出部。上述涡轮及上述发电机在一个风洞内沿风的流动方向设置多个,上述涡轮的旋转叶片使其1/2~1/4面对风洞较佳。
采用本发明的风力发电装置,通过多张集风板、特别是6张集风板和多张导向板将风向风洞方向收集,因此,从任何方向吹来的风都在位于风上游侧的多张集风板及导向板的作用下以向风洞内压缩的状态被导入。另外,由于在风入口设置逆流防止部件,因此,进入到风洞内的风不会吹到风下游侧。特别是通过在相邻的集风板之间设置第2逆流防止部件,能将进入到集风板之间的风高效率地导入到风洞内。另外,通过将风洞内的过量的风从过量风排出部排出,即使在强风时,也不会给涡轮带来较大负荷。另外,通过在一个风洞内沿风的流动方向设置多个涡流及发电机,并使涡轮的旋转叶片的1/2~1/4面对风洞内,提高了发电效率。并且,由于本发明的风力发电装置基本上仅通过从设置有涡轮、发电机的地面上的地基面沿铅直方向直立设置筒状构件和多个集风板而形成,因此,能根据设置场所的平均风速、需要发电量等条件设定筒状构件的高度、风洞的直径、集风板的宽度尺寸,能设置与设置场所的各种条件相适应的风力发电装置、风力发电设备。
附图说明
图1是表示本发明的风力发电装置的一实施例的主视图。
图2相同实施例的横剖视图。
图3是装置中央部的纵剖视图。
图4是图3的4-4剖视图。
图5是装置中央部的主视图。
图6是表示在1个风洞内设置了多个涡轮及发电机的例子的纵剖视图。
图7是图6的涡轮及发电机的设置部分的横剖视图。
具体实施方式
参照附图说明本发明的风力发电装置的一实施例。该风力发电装置10在地面下设有发电机室11,在地面上设有集风部件12。该集风部件12包括筒状构件14、6张集风板15、顶板16、风入口17、上下多个导向板18。上述筒状构件14直立设置于地基13的上方;上述6张集风板15的下端固定设于地基13上,基部固定于筒状构件14的周壁,从该周壁的壁面沿法线方向延伸出;上述顶板16用于封闭上述筒状构件14的上端开口及相邻的集风板15彼此间的上端开口;上述风入口17设于上述筒状构件14的壁面上;上述上下多个导向板18设于相邻的集风板15之间。
上述筒状构件14在其内部具有延伸至上述发电机室11的风洞19。该筒状构件14形成为正六边形,在各角部固定着上述集风板15的基部,在各边部设有上述风入口17。上述筒状构件14能根据其高度、直径沿周向及高度方向分割形成为多个,组装在风力发电装置的设置场所。另外,上述筒状构件14可以在整个高度方向上为相同直径,也可以根据该筒状构件14的强度、上述风洞19内的压力状态等形成为下方为大径、上方为小径的平缓的圆锥形状。
上述集风板15若风向全年为大致恒定的方向则可以为2~3张,但为了高效率地收集来自所有方向的风,优选6张。即,通过将上述集风板15沿上述筒状构件14的周围以等间隔设置6张,无论是来自哪个方向的风,即使是非常小的风也能够利用相邻的2张上述集风板15将风收集到中心部而导入到上述风洞19内。另外,也可以设置7张以上上述集风板15,但与装置成本上升相比,集风效果提高较小,不经济。该集风板15也可以根据高度、宽度沿高度方向及宽度方向分割形成为多个而组装起来。
从侧面看,上述导向板18具有靠集风板15的前端侧朝向大致水平方向、靠集风板15的基板侧朝向铅直方向的、弯曲为圆弧状的形状。上下的导向板18彼此间的间隔可以根据从集风板15的基部到外端的尺寸进行设定。另外,通过设置导向板18,能将相邻的集风板15彼此间连结起来而加强集风板15。
利用这样设置的上述集风板15及导向板18收集的风,最下部被地基13包围,最上部被顶板16包围,并且,被上下的导向板18包围的风呈朝向俯视看为三角形的顶点收敛的状态,因此,在压力上升的状态下,还在导向板18的作用下成为朝向下方的流动而从上述风入口17流入到上述风洞19内。
上述风入口17通过将上述筒状构件14的壁板冲孔出四边形状而形成,在风入口17的外侧相邻的集风板15的基部彼此之间设有壁板21,该壁板21具有第1逆流防止部件20,该第1逆流防止部件20容许风从外部朝向筒状构件14的内部流通,而限制风从筒状构件14的内部向外部流通。
该第1逆流防止部件20在设于壁板21上的开口22的内侧设有旋板式的挡板24,旋板式的挡板24在上部具有折叶(hinge)23。在从外部作用有风压时,该挡板24以折叶23为中心其下部向风入口17侧打开,容许风从外部朝向筒状构件14的内部流通。另外,在不从外部作用有风压时,该挡板24利用自重呈关闭开口22的状态,限制风从内部向外部流通。
另外,在相邻的集风板15的外端部设有第2逆流防止部件25,该第2逆流防止部件25仅容许风从外部向集风板15之间流通,而限制风从集风板15之间向外部流通。该第2逆流防止部件25与设于集风板15的基部侧的上述逆流防止部件20同样,在覆盖集风板15的外端部间的壁板26上设有开口27,在该开口27的内侧设有旋板式的挡板29,该旋板式的挡板29在上部具有折叶28。在从外部作用有风压时,该挡板29也以折叶28为中心其下部朝向内侧打开,容许风从外部朝向集风板15之间流通。另外,在不从外部作用有风压时,该挡板29利用自重呈关闭开口27的状态,限制风从内部向外部流通。
因此,位于风上游侧的两逆流防止部件20、25形成为挡板24、39利用风压呈自动打开的状态,风上游侧以外的两逆流防止部件20、25自动关闭状态。另外,通过在开口22、27的周围与挡板24、29之间设置橡胶制密封件,提高了密接性并获得可靠的封闭状态。另外,上述逆流防止部件20、25的结构并不限定于这些。
这样形成的上述逆流防止部件20、25通过使开口22、27的下方开口,使从开口27流入到集风板15之间的风及从开口22流入到风洞19内的风形成朝向下方的流动。特别是利用上述导向板18及上述逆流防止部件20的协同作用,能在风洞19内高效率地形成朝向下方的发电机室11的风的流动。另外,利用上述逆流防止部件20、25能防止进入到集风板15之间及风洞19内的风吹到外部,因此,能有效地利用进入的风作为发电用。
上述风入口17、上述逆流防止部件20、25的大小(流量)、设置数量根据利用上述集风板15收集到的风量设定,若集风板15的宽度尺寸较小,则减少设置数量或者做成较小的风入口17,在集风板15的宽度尺寸较大时,也可以增多设置数量而增大风入口17、逆流防止部件20、25。
在设于地面下的上述发电机室11内设有与上述风洞19相连通的地面下风洞30,还设有被在该地面下风洞30内流动的风驱动旋转的涡轮31、被该涡轮31驱动的发电机32和其它送电设备等。可以有选择地使用与从风洞19供给到地面下风洞30内的风压、风量相对应的该涡轮31及发电机32,也可以根据风力发电装置10的设置场所的电力的使用目的选择该涡轮31及发电机32。另外,驱动了涡轮31的风从地面下风洞30的末端排到大气中。
另外,通过在上述风洞19的上下两端部分别预先设置过量风排出部,能将强风时进入到风洞19内的过量的风排出,因此能防止涡轮31的过负荷,上述过量风排出部用于在风洞19内的压力超过预先设定的压力时将压力从风洞19内排出到外部。作为过量风排出部,可以在顶板16上形成通风孔,也可以设置开闭该通风孔的挡板状部件。
上下的过量风排出部的工作压力可以设定为相同,但考虑到风洞19内的风的流动,优选将下方的过量风排出部的工作压力设定得较低。另外,过量风排出部的排气流量也可以设置为相同,但考虑到台风等强风时,通过预先将工作压力设定得较高的上方的过量风排出部的排气流量设定得较多,在通常的风力的变动范围内,仅将工作压力设定得较低的下方的过量风排出部工作,风洞19内的风的流动不紊乱而排出少量的过量风,在台风等的强风时,将工作压力设定得较高的上方的过量风排出部也工作,排出大量的过量风,从而能可靠地保护涡轮31等的设备。
另外,为了能使排气方向朝向风下游侧,也可以朝多个方向设置过量风排出部。另外,也可以设置根据上述发电机32的发电状态自动地调整排气量的自动调整式的过量风排出部。另外,优选在上述风洞19、上述地面下风洞30的底部预先设置将进入到风洞19内的水分排出的排水管。
另外,为了防止异物从上述风入口17进入到风洞19内,优选预先在上述风入口17的外侧、上述逆流防止部件20、25的外侧设置过滤网。过滤网例如可以通过将通常的金属网等利用框架保持、将该框架固定在相邻的集风板15、壁板21、26上来设置。
这样,作为风力发电装置10的集风部件12,通过组合筒状构件14和多张、特别是6张集风板15、多张导向板18,能够有效地收集来自各个方向的风而用于发电,即使在强风状态下也能够获得充分的发电输出。另外,通过根据设置场所的条件来选择高度和直径,能够稳定地进行需要的电力供给。另外,在比较小型的风力发电装置10中,也可以组合代替地基13的底板而将集风部件12单元化,也可以重叠使用该多个单元。
在一个地面下风洞30内沿风的流动方向存在规定间隔地设置多个上述涡轮31及上述发电机32,也可以根据风速增减发电机32的工作量。例如,如图6所示,可以在地面下风洞30处设置5个涡轮31a、31b、31c、31d、31e,设置分别被各涡轮31a~31e驱动的发电机32a、32b、32c、32d、32e。被导入到地面下风洞30内的风驱动上述涡轮31a~31e旋转,利用这些涡轮31a~31e驱动各发电机32a~22e进行发电。驱动这些涡轮31a~31e旋转的风被从地面下风洞30的末端排出。
另外,在这样地设置多个涡轮31及发电机32的情况下,如图7所示,涡轮31的叶片33使其1/2~1/4左右面对地面下风洞30内,地面下风洞30内的风能保持风速不降低地通过,驱动上述多个涡轮31旋转。
上述筒状构件14、上述集风板15、导向板18等可以根据整个风力发电装置的大小、预测的最大风速等的条件采用适当的材料及制造方法。一般来说,不锈钢、铝合金等具有耐腐蚀性的金属材料较佳,另外,也可以为在金属制的骨架上粘贴上防腐蚀铁板、FRP等板材的结构。
上述集风板15的宽度尺寸可以根据风力发电装置的设置场所的各种条件来决定,另外,上述风力发电装置的高度和直径(通过上述集风板15的前端部的圆的直径)的比率也可以任意选择。例如,在没有高度限制的情况下,可以使高度高至100m或200m以上而使上述集风板15为窄幅,在设置面积有富裕的情况下,可以将高度抑制得较低而使上述集风板15的直径大至100m以上。通常,为了能有效地收集比地表部稳定的上空的风,优选尽量地形成得较高。另外,若是高层楼的屋顶上等,即使高度、直径为几m至10m左右,也能获得足够的集风力。
作为建筑物的风力发电装置10的强度,以上述筒状构件14为中心设置朝6个方向的集风板15,因此,通过适当地设置上述筒状构件14的高度、集风板15的宽度,能获得足以应付强风、地震的强度。另外,也可以根据需要在适当的位置设置增强构件,也可以针对抗震性采用适当的柔软结构。
另外,可以在上述顶板16的上部设置展望台、在下部设置房间42,可以沿筒状构件14、集风板15设置用于从房间42相对于展望台41升降的升降机。另外,风力发电装置10的上部除了展望台31之外,还可以设置直升飞机机场、无线电塔、无线中继站、气象观测站等。另外,通过预先在筒状构件14、集风板15上设置梯子(台阶),能够进行逆流防止部件20、25等的维护、检查。另外,可以将集风板15、逆流防止部件25的外表面利用为广告宣传用,也可以在集风板15、逆流防止部件25上实施与周围的景观相对应的着色、图案或在夜间照亮。
Claims (5)
1.一种风力发电装置,其特征在于,包括风洞、顶板、逆流防止部件、涡轮、发电机、多个集风板、多个风入口、多个导向板,上述风洞由从地基面沿铅直方向直立设置的筒状构件构成;上述多个集风板从上述筒状构件的周壁沿法线方向延伸出;上述顶板用于封闭该集风板相互间及筒状构件的上端开口;上述多个风入口设于上述筒状构件的周壁上,将由上述集风板收集的风导入到上述风洞内;上述逆流防止部件设于该风入口,仅容许风从筒状构件外部向筒状构件内部流通,而限制风从内部向外部流通;上述多个导向板设于相邻的集风板之间,将由集风板收集的风向下方引导;上述涡轮被从上述风洞的一端部吹出的风驱动;上述发电机被该涡轮驱动。
2.根据权利要求1所述的风力发电装置,在相邻的上述集风板的外部侧之间设有第2逆流防止部件,该第2逆流防止部件仅容许风从外部向集风板之间流通,而限制风从集风板之间向外部流通。
3.根据权利要求1所述的风力发电装置,上述集风板沿筒状构件的周向以等间隔设置6张。
4.根据权利要求1所述的风力发电装置,在上述风洞内设有将进入到该风洞内的过量的风排出的过量风排出部。
5.根据权利要求1所述的风力发电装置,上述涡轮及上述发电机在一个风洞内沿风的流动方向设置多个,上述涡轮的旋转叶片使其1/2~1/4面对风洞内。
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CN102141014A (zh) * | 2010-02-02 | 2011-08-03 | 李吉龙 | 风力发电用集风塔结构 |
CN102141014B (zh) * | 2010-02-02 | 2013-04-17 | 李吉龙 | 风力发电用集风塔结构 |
CN102235302A (zh) * | 2010-04-26 | 2011-11-09 | 黄郑隽 | 聚风风轮装置及一种风力发电设备 |
CN102155346A (zh) * | 2011-02-09 | 2011-08-17 | 黄太清 | 扩径引流型流体聚流集能装置和方法 |
CN102155346B (zh) * | 2011-02-09 | 2018-02-09 | 黄太清 | 扩径引流型流体聚流集能装置和方法 |
CN102644552A (zh) * | 2011-02-19 | 2012-08-22 | 北海银通商务有限公司 | 集束风洞发电塔 |
CN102926936A (zh) * | 2011-08-09 | 2013-02-13 | 屏东科技大学 | 复合式风力发电机 |
CN102926936B (zh) * | 2011-08-09 | 2014-09-17 | 屏东科技大学 | 复合式风力发电机 |
CN113982844A (zh) * | 2021-11-24 | 2022-01-28 | 冉农全 | 一种建筑物微风发电系统 |
CN113982834A (zh) * | 2021-11-24 | 2022-01-28 | 冉农全 | 一种蓄热储能设备及建筑物微风发电系统 |
CN113982834B (zh) * | 2021-11-24 | 2024-01-05 | 冉农全 | 一种蓄热储能设备及建筑物微风发电系统 |
CN113982844B (zh) * | 2021-11-24 | 2024-01-26 | 冉农全 | 一种建筑物微风发电系统 |
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RU2009127773A (ru) | 2011-01-27 |
BRPI0720538A2 (pt) | 2014-01-07 |
KR20090021305A (ko) | 2009-03-02 |
ZA200903659B (en) | 2010-02-24 |
CA2673230A1 (en) | 2008-06-26 |
US8232665B2 (en) | 2012-07-31 |
AU2007335505B2 (en) | 2012-01-12 |
MX2009006697A (es) | 2009-07-29 |
NO20092234L (no) | 2009-08-13 |
US20100084867A1 (en) | 2010-04-08 |
CA2673230C (en) | 2013-08-27 |
IL199436A (en) | 2012-12-31 |
CN101583795B (zh) | 2011-06-22 |
KR100929092B1 (ko) | 2009-11-30 |
NZ577700A (en) | 2011-12-22 |
MY151465A (en) | 2014-05-30 |
EG26324A (en) | 2013-08-06 |
EP2096304A1 (en) | 2009-09-02 |
AU2007335505A1 (en) | 2008-06-26 |
WO2008075422A1 (ja) | 2008-06-26 |
HK1136614A1 (en) | 2010-07-02 |
WO2008075676A1 (ja) | 2008-06-26 |
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