KR101058339B1 - 풍력발전기용 블레이드 - Google Patents
풍력발전기용 블레이드 Download PDFInfo
- Publication number
- KR101058339B1 KR101058339B1 KR1020100084326A KR20100084326A KR101058339B1 KR 101058339 B1 KR101058339 B1 KR 101058339B1 KR 1020100084326 A KR1020100084326 A KR 1020100084326A KR 20100084326 A KR20100084326 A KR 20100084326A KR 101058339 B1 KR101058339 B1 KR 101058339B1
- Authority
- KR
- South Korea
- Prior art keywords
- wind
- blade
- length
- wing
- guide hole
- Prior art date
Links
- 238000000034 method Methods 0.000 claims description 7
- 238000010248 power generation Methods 0.000 description 8
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000007664 blowing Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
Images
Classifications
-
- 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
- F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor
- F03D1/06—Rotors
-
- 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
- F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor
- F03D1/06—Rotors
- F03D1/065—Rotors characterised by their construction elements
- F03D1/0675—Rotors characterised by their construction elements of the blades
-
- 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
- F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor
- F03D1/06—Rotors
- F03D1/065—Rotors characterised by their construction elements
- F03D1/0658—Arrangements for fixing wind-engaging parts to a hub
-
- 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
- F03D7/022—Adjusting aerodynamic properties of the blades
- F03D7/0224—Adjusting blade pitch
-
- 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
- F03D7/022—Adjusting aerodynamic properties of the blades
- F03D7/0236—Adjusting aerodynamic properties of the blades by changing the active surface of the wind engaging parts, e.g. reefing or furling
-
- 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
- F05B2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
- F05B2240/31—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor of changeable form or shape
-
- 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
- F05B2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
- F05B2240/31—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor of changeable form or shape
- F05B2240/313—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor of changeable form or shape with adjustable flow intercepting area
-
- 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
- F05B2270/00—Control
- F05B2270/30—Control parameters, e.g. input parameters
- F05B2270/328—Blade pitch angle
-
- 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
- Y02E10/72—Wind turbines with rotation axis in wind direction
Landscapes
- 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)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Wind Motors (AREA)
Abstract
본 발명에 따른 풍력발전기용 블레이드는 바람에 의해 회전하는 다수개의 블레이드가 구비되는 풍력발전기에 있어서, 상기 블레이드는, 풍력발전기의 회전축에 결합되는 몸체부; 바람의 세기에 따라 길이가 가변되도록 상기 몸체부에 이동가능하게 결합되는 날개부; 및 상기 몸체부와 상기 날개부 사이에 개재되어 상기 날개부의 길이가 짧아지는 방향으로 탄성력을 제공하는 탄성부;를 포함하여 이루어질 수 있다.
Description
도 2는 도 1에 따른 블레이드의 개략적인 단면도이고,
도 3은 도 1에 따른 블레이드의 몸체부의 가이드부재를 개략적으로 나타내는 정면도이고,
도 4 내지 도 6은 본 발명의 일실시예에 따른 블레이드의 작동상태를 개략적으로 나타내는 도면이고,
도 7은 본 발명에 따른 몸체부의 다른 실시예를 나타내는 도면이다.
22 : 가이드홀 24 : 가이드부재
26 : 결합부재 30 : 날개부
40 : 탄성부 41 : 탄성부재
42 : 고정몸체 50 : 덮개부
Claims (10)
- 바람에 의해 회전하는 다수 개의 블레이드가 구비되는, 정격풍속 이상의 풍속에서도 발전 가능한 소형 풍력발전기에 있어서,
상기 블레이드는,
풍력 발전기의 회전축에 결합되는 몸체부;
바람의 세기에 따라 길이가 가변되도록 상기 몸체부에 이동가능하게 결합되는 날개부; 및
상기 몸체부와 날개부 사이에 개재되어 상기 날개부의 길이가 짧아지는 방향으로 탄성력을 제공하는 탄성부;를 포함하여 이루어지며,
상기 몸체부 일측에는 길이방향으로 가이드홀이 소정길이 형성되며,
여기서 상기 가이드홀은 길이 방향으로 소정길이를 갖는 직선부와 상기 직선부로부터 소정각도 비스듬하게 연장 형성되는 연장부로 이루어지며,
상기 블레이드는 정격풍속까지는 가이드홀의 직선부를 따라 연장되며, 정격풍속 이상의 풍속에서는 연장부를 따라 연장되면서 바람과 접촉하는 면적이 감소하도록 각도가 변하는 것을 특징으로 하는 소형 풍력발전기용 블레이드. - 제 1 항에 있어서,
상기 몸체부 일측에는 길이방향으로 가이드홀이 소정길이 형성되고, 상기 날개부의 일측에는 상기 가이드홀에 가이드되는 가이드돌기가 형성되는 것을 특징으로 하는 소형 풍력발전기용 블레이드. - 삭제
- 제 1 항에 있어서,
상기 몸체부를 덮는 덮개부를 더 포함하여 이루어지는 것을 특징으로 하는 소형 풍력발전기용 블레이드. - 제 2 항에 있어서,
상기 날개부는 바람에 의해 회전되도록 형성되는 피치부와, 상기 몸체부에 이동가능하게 삽입되는 길이부와, 상기 길이부의 단부에 형성되며 상기 가이드돌기가 구비되는 단턱부를 포함하여 이루어지고,
상기 탄성부는 상기 몸체부에 결합고정되는 고정몸체와, 상기 길이부에 삽입되어 상기 날개부의 길이가 짧아지는 방향으로 탄성력을 제공하도록 일측은 상기 고정몸체에 고정되며, 타측은 상기 단턱부에 걸림되는 탄성부재를 포함하여 이루어지는 것을 특징으로 하는 소형 풍력발전기용 블레이드. - 삭제
- 삭제
- 삭제
- 삭제
- 삭제
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020100084326A KR101058339B1 (ko) | 2010-08-30 | 2010-08-30 | 풍력발전기용 블레이드 |
CN2011800026684A CN102575651A (zh) | 2010-08-30 | 2011-08-29 | 风力发电机叶片 |
PCT/KR2011/006368 WO2012030125A2 (ko) | 2010-08-30 | 2011-08-29 | 풍력발전기용 블레이드 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020100084326A KR101058339B1 (ko) | 2010-08-30 | 2010-08-30 | 풍력발전기용 블레이드 |
Publications (1)
Publication Number | Publication Date |
---|---|
KR101058339B1 true KR101058339B1 (ko) | 2011-08-22 |
Family
ID=44933565
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020100084326A KR101058339B1 (ko) | 2010-08-30 | 2010-08-30 | 풍력발전기용 블레이드 |
Country Status (3)
Country | Link |
---|---|
KR (1) | KR101058339B1 (ko) |
CN (1) | CN102575651A (ko) |
WO (1) | WO2012030125A2 (ko) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5671959U (ko) | 1979-11-07 | 1981-06-13 | ||
WO1985002383A1 (fr) | 1983-11-23 | 1985-06-06 | Pierre Joulia | Dispositif de regulation automatique du pas d'une helice |
JP2004060646A (ja) * | 2002-06-05 | 2004-02-26 | Furukawa Co Ltd | 風車の起動風速低減装置 |
JP2005256605A (ja) * | 2004-01-30 | 2005-09-22 | Mekaro Akita:Kk | 風力発電装置 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2356941Y (zh) * | 1999-01-06 | 2000-01-05 | 张丹彤 | 直升飞机用伸缩式桨叶 |
JP4411063B2 (ja) * | 2003-12-26 | 2010-02-10 | 大和ハウス工業株式会社 | 発電用水平軸型風車の回転数制御機構 |
CN101358575A (zh) * | 2007-08-05 | 2009-02-04 | 尤林 | 变桨式风力发电机的桨叶平衡装置 |
CN101440783B (zh) * | 2008-12-22 | 2012-05-23 | 三一电气有限责任公司 | 风力发电系统运行控制方法 |
-
2010
- 2010-08-30 KR KR1020100084326A patent/KR101058339B1/ko active IP Right Grant
-
2011
- 2011-08-29 WO PCT/KR2011/006368 patent/WO2012030125A2/ko active Application Filing
- 2011-08-29 CN CN2011800026684A patent/CN102575651A/zh active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5671959U (ko) | 1979-11-07 | 1981-06-13 | ||
WO1985002383A1 (fr) | 1983-11-23 | 1985-06-06 | Pierre Joulia | Dispositif de regulation automatique du pas d'une helice |
JP2004060646A (ja) * | 2002-06-05 | 2004-02-26 | Furukawa Co Ltd | 風車の起動風速低減装置 |
JP2005256605A (ja) * | 2004-01-30 | 2005-09-22 | Mekaro Akita:Kk | 風力発電装置 |
Also Published As
Publication number | Publication date |
---|---|
WO2012030125A8 (ko) | 2012-06-07 |
CN102575651A (zh) | 2012-07-11 |
WO2012030125A2 (ko) | 2012-03-08 |
WO2012030125A3 (ko) | 2012-04-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US7896609B2 (en) | Vertical axis wind turbine system | |
US9011096B2 (en) | Vertical axis wind turbine blade | |
EP2267298A2 (en) | Wind turbine blade with rotatable fins at the tip | |
AU2007332152A1 (en) | Wind turbine and wind turbine blade | |
KR100940013B1 (ko) | 저풍속 실속제어/정속운전용 풍력발전기 블레이드 | |
JP2009114975A (ja) | 垂直翼型風車の回転翼迎え角可変機構 | |
JP4918664B2 (ja) | 風力発電機 | |
CN106460769A (zh) | 用于发电机的转子 | |
KR101058339B1 (ko) | 풍력발전기용 블레이드 | |
KR101169212B1 (ko) | 수직축 풍력발전장치 | |
KR100995880B1 (ko) | 토오크웨이트밸런스장치가 구비된 양력발전기 | |
KR101060327B1 (ko) | 회전몸체의 회전이 용이한 풍력발전기 | |
JP2006152864A (ja) | 風力発電機用ブレード及びそれを備えた風力発電装置 | |
KR101627665B1 (ko) | 풍력 발전기용 블레이드 및 이를 포함하는 풍력 발전기 | |
WO2013109133A1 (en) | A wind turbine | |
CN203362390U (zh) | 离心变桨风力发电机 | |
CN103352801B (zh) | 离心变桨风力发电机 | |
KR101370850B1 (ko) | 풍력 발전기용 가변 블레이드 | |
KR101337622B1 (ko) | 풍력 발전기 | |
KR20100116756A (ko) | 풍력발전기용 날개 | |
JP6398095B2 (ja) | 動力装置 | |
KR101074958B1 (ko) | 풍력발전장치 | |
KR102133201B1 (ko) | 수평축 항력형 발전장치 | |
KR101331133B1 (ko) | 풍력발전기용 블레이드 | |
CN205400990U (zh) | 一种微风风力发电装置中使用的风叶 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
A302 | Request for accelerated examination | ||
E902 | Notification of reason for refusal | ||
AMND | Amendment | ||
E601 | Decision to refuse application | ||
AMND | Amendment | ||
E902 | Notification of reason for refusal | ||
AMND | Amendment | ||
X701 | Decision to grant (after re-examination) | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 20140814 Year of fee payment: 4 |
|
FPAY | Annual fee payment |
Payment date: 20150813 Year of fee payment: 5 |
|
FPAY | Annual fee payment |
Payment date: 20160816 Year of fee payment: 6 |
|
FPAY | Annual fee payment |
Payment date: 20170802 Year of fee payment: 7 |
|
FPAY | Annual fee payment |
Payment date: 20180813 Year of fee payment: 8 |
|
FPAY | Annual fee payment |
Payment date: 20190806 Year of fee payment: 9 |