TW201219649A - Vertical wind power generator with automatically retractable blades - Google Patents

Vertical wind power generator with automatically retractable blades Download PDF

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Publication number
TW201219649A
TW201219649A TW099139145A TW99139145A TW201219649A TW 201219649 A TW201219649 A TW 201219649A TW 099139145 A TW099139145 A TW 099139145A TW 99139145 A TW99139145 A TW 99139145A TW 201219649 A TW201219649 A TW 201219649A
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Taiwan
Prior art keywords
vertical wind
blade
blades
resistance type
generator
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TW099139145A
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English (en)
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TWI425145B (zh
Inventor
Tzu-Yao Huang
Tso-Cheng Hsiao
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Hiwin Mikrosystem Corp
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Priority to TW099139145A priority Critical patent/TWI425145B/zh
Priority to US12/972,443 priority patent/US8450872B2/en
Publication of TW201219649A publication Critical patent/TW201219649A/zh
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Publication of TWI425145B publication Critical patent/TWI425145B/zh

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D3/00—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor 
    • F03D3/005—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor  the axis being vertical
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D3/00—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor 
    • F03D3/06—Rotors
    • F03D3/061—Rotors characterised by their aerodynamic shape, e.g. aerofoil profiles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D7/00—Controlling wind motors 
    • F03D7/02—Controlling wind motors  the wind motors having rotation axis substantially parallel to the air flow entering the rotor
    • F03D7/026—Controlling wind motors  the wind motors having rotation axis substantially parallel to the air flow entering the rotor for starting-up
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D7/00—Controlling wind motors 
    • F03D7/02—Controlling wind motors  the wind motors having rotation axis substantially parallel to the air flow entering the rotor
    • F03D7/04—Automatic control; Regulation
    • F03D7/041—Automatic control; Regulation by means of a mechanical governor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D7/00—Controlling wind motors 
    • F03D7/06—Controlling wind motors  the wind motors having rotation axis substantially perpendicular to the air flow entering the rotor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00—Components
    • F05B2240/20—Rotors
    • F05B2240/21—Rotors for wind turbines
    • F05B2240/211—Rotors for wind turbines with vertical axis
    • F05B2240/213—Rotors for wind turbines with vertical axis of the Savonius type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00—Components
    • F05B2240/20—Rotors
    • F05B2240/21—Rotors for wind turbines
    • F05B2240/211—Rotors for wind turbines with vertical axis
    • F05B2240/214—Rotors for wind turbines with vertical axis of the Musgrove or "H"-type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2260/00—Function
    • F05B2260/85—Starting
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/74—Wind turbines with rotation axis perpendicular to the wind direction

Description

201219649
I I 六、發明說明： 【發明所屬之技術領域】 本發明係有關於風力發電系統，特別係指一種可自動收合葉片之 垂直式風力發電機。 【先前技術】 由於近年來節能環保議題受到重視，目前歐美各國為了因應溫室效 Φ 應，減少二氧化碳之排放，均積極開發利用天然資源發電作為替代能源 之方式，包括有風力、太陽能、海水等。而以各種天然資源開發為再生 能源之方式中，又以風力發電技術最為成熟，應用範圍最廣，並且發電 成本較為低廉。 風力發電機主要係藉由空氣流動帶動葉片旋轉_取風之動能，進 而將該動能轉換成有用之機械能或是電㊣。而風力發電機之類型，依照 主軸與水平面之相對位置可分為水平減力發t機與垂直式風力發電 • 冑。雖然水平軸風力發電機之發電效率高於垂直式風力發電機，然水平 軸風力發電機之⑼旋轉面必須正觀向，才能使之產生雛發電效 率’因此結構設計較為複雜，製造成本相對來說比較高。雖然垂直式風 力七電機效率車又差，但是由於其旋轉轴係垂直於水平面，不論任何方向 之風皆能旋轉扇葉使之發電，並且垂直式風力發電機具有較小迴轉半 仅、結構簡早、低噪音以及設計外觀較佳等優點，因此較為適合架設於 受風範财限、風向及風速鑛變化之都市、高樓屋頂。 而垂直式風力發電機依照葉片工作原理又可分為升力型與阻力 201219649 型’其中，升力型賴以所受升力帶峨旋轉轉速較快 優異之旋辦；阻峨峨赠㈣軸㈣動’轉矩: 大，用有較佳之啟動能力。兩種不同工作原理 又 茶月各具有其優點，因 此目前部份垂直式風力發賴會_裝雜力_升力型之帛、u
成低風速啟動，高風速發電之姐，然祕高轉_，力H’ Z 整個風力細統產生抵抗旋轉之阻力，而降低轉效率，造成發 率的降低。 ' ^ 【發明内容】 本發明之主要目的即在於提供—種可自純合㈣之垂直式風力 發電機，其侧以於高轉速時收合阻力型封，紐崎低其對系統所 造成之阻力。 本發明之另-目的係在於提供—種可自動收合葉片之垂直式風力 發電機，其係用以提昇風力發電機之發電效率。 因此’為了達成上述目的，本發明所揭一種可自動收合葉片之垂直 式風力發錢係包含有-發電機、—連桿裝置、—升力型葉#組、一阻 力型葉片組及—驅動裝置，其中，該驅動裝置侧以提供動力驅動該連 桿裝置’具有-出力軸，得於_第_位置及—第二位置間位移。據此， 當該出力轴位於該第-位置上時，係帶動該連桿裝置，使該阻力型葉片 、.且位於展開位置上，當該出力轴位於該第二位置上時，則經由該連桿 裝置帶動各該阻力型葉片位移至一收合位置。 【實施方式】 201219649 I » 、下啟舉本發月之較佳實施例，並配合圖式，做更進一步之說 明，其中： 第-圖係為本發明—較佳實施例之立體圖。 第二圖係為本發明-較佳實施例部份元件之分解圖。 苐二圖係為本發明一較伟眘始也丨+ 竿乂佳貫施例之作動示意圖，其中，該驅動裝置 之出力軸係位於該第一位置。
第四圖係為本發明—較伟眘你彳s丨+ K 平乂佳貫施例之作動立體圖，其中，該驅動裝置 瞻之出力軸係位於該第二位置。 第五圖係為本發明—較佳實施例之作動示意圖，其中，該驅動裝置 之出力車由係位於該第二位置。 $閱第u至第五圖所示，在本發日月之—較佳實施例中所提供可 自動收D葉片之垂直式風力發電機⑽，主要係由—外轉式發電機 ()盤座(30)、—連桿裝置(40)、-升力型葉片組(50)、一阻力型 葉片組(60)及-驅動裝置(7〇)所組成者其中： 籲/外轉式發電機(2〇)係由_定子（圖中未示）及一旋轉部(21)所組 ’ /、中’該定子係位於該發電機(20)内部，而該旋轉部(21)設於該定 子外轉姆直於水平面，惟此等發電機之構造乃屬—般習知之技術且 非屬本發明之技術特徵，於此即不對之再作贅述。 忒盤座(30)係呈圓形，對應地設於該發電機(20)之一端面而連接該 旋轉部(21)，並得與該旋轉部(21)同軸旋轉。 。亥連彳干裝置(4〇)係設於該盤座(3〇)之預定部位上。 4升力型葉片組(50)係具有若干長形升力型葉片（51)，若干支架 5 201219649 (52)，橋接於—對應之升力型葉片（51)與該旋轉部(21)間。 該阻力型葉片組(60)係具有二呈半圓筒狀之阻力型葉片（61)，彼此 對稱地設於該旋轉部(21)之轉轴兩側，而與該連桿裝置(4〇)相連接。 該驅動裝置(70)係用以提供動力驅動該連桿裝置(4〇)，具有一本體 (71) ’設於該盤座(30)上，-致動器(72)，設於該本體(71)上一出力 軸(73) ’得被該致動器(72)驅動而於一第一位置與—第二位置間往復位 移；當該出力軸(73)位於該第-位置上時，係帶動該連桿裝置(4〇)，而 • 使該二阻力型葉片（61)彼此對稱地位於該旋轉部(21)轉軸兩側之-展 開位置上’當位於該第二位置上時’則經由該連桿裝置⑽，帶動各該 阻力型葉片（61)位移至該旋轉部(21)轉軸軸向上之_收合位置上。 更進-步而言’該連桿裝置(4G)乃係具有—基部(41)，係設於該致 動器(72)之出力軸(73)軸端上，二連動桿(42)，分取桿軸—端枢設於 該基部(41)之兩側面，而各自以桿軸另端與一對應之阻力型葉片（61)枢 接。 • 齡上述構件之_，該致動器㈤可提供-動力使該出力轴⑽ 於該第-及該第二位置間位移，而帶動該連桿裝置(4G)，使該二阻力型 葉片（61)位於該展開或是該收合位置。詳言之，請參閱第—及第三圖， 當該出力轴(73)位於該第-位置時，該二阻力型葉片（61)係位於該展開 位置’此時，該二阻力型葉片（61)可受到風力推動而持續旋轉；請參閱 第四及第五圖’當該致動H(72)提供—動力，使該出力軸(73)由該第一 位置移至該第二位置，同時帶動該基部(41)位移，連動該二連動桿 (42) ’使該二阻力型葉片（61)位於該收合位，此時，該二阻力型葉片（6y 201219649 則無法被風推動旋轉。 由於於高轉速時，倘若阻力型葉片（61)持續被風推動旋轉，對於整 體系統會造成阻力，反而不利於發電效率。因此，本發明所提供可自動 收合葉片之垂直式風力發電機⑽係可依據轉速之大小，決定是否啟動 在驅動虞置(70)，據此’使該出力軸(73)於該第—位置與該第二位置位 移，而帶動該連桿裝置(4〇)，使該二阻力型葉片（61)展開或是收合。換 言之’倘若轉速高於預紐值時，即可啟動該驅動裝置⑽，使該二阻 籲 力^葉片（61)位於6亥收合位置，而不再被風力推動旋轉，可有效地降低 其對於系統之阻力’增加發電效率；倘若轉速低於預定數值時，該驅動 裝置(70)則不會被啟動，該二阻力型葉片（61)係位於該展開裝置，仍可 被風力所推動旋轉，使其保有較佳之啟動能力。 於此特別說明者’前述實施例中係以外轉式發電機為其組成元件之 -，惟並不以外轉式發電機為限，亦即内轉式發電機亦可達成相同 之功效。 • 以上僅是藉由若干較佳實施例詳細說明本發明，對於各該實施例所 做的任何簡單修改或是變化，例如該葉片之數量或是外型之改變等，均 應為本案申請專利範圍所得涵攝者。 【圖式簡單說明】 第-圖係為本發明—較佳實施例之立體圖。 第二圖係為本發明-較佳實施例部份元件之分解圖。 第三圖係為本發明一較佳實施例之作動示意圖，其中，該驅動襄置 201219649
> I 之出力輪係位於該第一位置。 弟四圖係為本發明-較佳實施例之作動立體圖，其中 之出力軸係位於該第二位置。 " 第五圖係為本發明一較佳實施例之作動示意圖，其中 之出力軸係位於該第二位置。 該驅動裝置 該驅動裳置
【主要元件符號說明】 可自動收合葉片之垂直式風力發電機(10) 外轉式發電機(20) 旋轉部(21) 盤座(30) 連桿裝置(40) 基部(41) 連動桿(42) 升力型葉片組(50) 升力型葉片（51) 支架(52) 阻力型葉片組(60) 阻力型葉片（61) 驅動裝置(70) 本體(71) 致動器(72) 出力軸(73) ς 8

Claims (1)

  1. 201219649 I · 七、申請專利範圍： 1. 一種可自動收合葉片之垂直式風力發電機，包含有： .面 一發電機，具有-定子，-旋轉部’轉轴係垂直於水平〗 -升力型葉片組’具有若干升力型葉片，若干支架，係分別橋接於一 對應之升力型葉片與該旋轉部間； 、 係對稱地位韻轉部之轉軸 一阻力型葉片組，具有二阻力型葉片 兩側；
    其特徵係在於更包含有： 一連桿裝置’係橋接於各該阻力型葉片與該旋轉部間·， 一驅動裝置，係用以提供動力驅動該連桿裝置，具有—出力輪，係可 =及-第二位置間往復位移’當位於該第一位置上時，係帶動該 物錢，岐該二阻力爺績鱗觀贿職轉部雜兩側之一 展開位置上’纽_第二位置场，舰__，帶動各該阻 力型葉片位移至該旋轉部轉轴轴向上之—收合位置上。 2.依據申請專利範圍第1 機，其更包含有一盤座， 項所述可自動收合葉片之垂直式風力發電 設於該旋轉部之預定部位上。 3^射請專利範圍第2項所述可自動收合葉片之垂直式風力發 機，'中亥驅動裝置係具有—本體，設於該盤座上，—致動器 設於該本體上， 間往復位移。 用以提供動力驅動該出力軸於該第__及該第二位置 依據申請專利範圍第3項所述可自動收合葉片之垂直式風力發電 機’其中’該連桿裝置係具有—基部，設於該致動器之出力軸-端， 201219649 :連動桿，分別相對地以桿轴1触於該基部兩側面，並分別以 桿轴另端抱接各該阻力型葉片。 5.依射請糊翻第1韻財自純合葉片之垂直式風力發電 機’其中，該發電機係為外轉式。 6·依據申清專利範圖笛 1項所述可自動收合葉片之垂直式風力發電 機，其中，該發電機係為内轉式。
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TW099139145A 2010-11-15 2010-11-15 可自動收合葉片之垂直式風力發電機 TWI425145B (zh)

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TW099139145A TWI425145B (zh) 2010-11-15 2010-11-15 可自動收合葉片之垂直式風力發電機
US12/972,443 US8450872B2 (en) 2010-11-15 2010-12-18 Vertical wind power generator with automatically unstretchable blades

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TW099139145A TWI425145B (zh) 2010-11-15 2010-11-15 可自動收合葉片之垂直式風力發電機

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TW201219649A true TW201219649A (en) 2012-05-16
TWI425145B TWI425145B (zh) 2014-02-01

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TWI772994B (zh) * 2020-12-03 2022-08-01 梅正新 渦流動力發電結構

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