WO2019017723A1 - Openable and closeable blade for vertical-axis wind turbine - Google Patents

Openable and closeable blade for vertical-axis wind turbine Download PDF

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Publication number
WO2019017723A1
WO2019017723A1 PCT/KR2018/008206 KR2018008206W WO2019017723A1 WO 2019017723 A1 WO2019017723 A1 WO 2019017723A1 KR 2018008206 W KR2018008206 W KR 2018008206W WO 2019017723 A1 WO2019017723 A1 WO 2019017723A1
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WIPO (PCT)
Prior art keywords
blade
base frame
wing
ball screw
blades
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PCT/KR2018/008206
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French (fr)
Korean (ko)
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손기태
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손기태
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Publication of WO2019017723A1 publication Critical patent/WO2019017723A1/en

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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
    • F03D3/062—Rotors characterised by their construction elements
    • F03D3/064—Fixing wind engaging parts to rest of rotor
    • 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
    • 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

Definitions

  • the present invention relates to an openable and closable blade for a vertical axis wind power generator, and more particularly, to an openable and closable type blade for a vertical axis wind power generator, in which upper and lower wings, in which a wing closure part is bent at a front end part, are hinged to be vertically rotatable, And a rotating link for pivoting the upper and lower blades up and down in accordance with the movement of the nut is hinge-coupled between the inner surface of the upper and lower blades and the nut of the ball screw device, ⁇ It is possible to smoothly rotate even the breeze when the lower blade is opened, and it is possible not only to greatly improve the power generation efficiency, but also to be able to withstand the strong wind such as typhoons when the upper and lower wings are closed, To an openable and closable blade for a vertical axis wind power generator.
  • a wind turbine generator is a device that converts wind energy into electric energy.
  • the wind generator rotates the wing of the wind turbine and generates electricity using the rotational force of the wing.
  • Such a wind turbine generator is divided into a horizontal axis wind turbine having a rotation axis horizontally arranged to the ground according to the direction of rotation axis of the ground and a vertical axis wind turbine having a rotation axis perpendicular to the ground.
  • the vertical axis wind turbine can rotate the rotor by the wind blowing from all directions, so that it is not limited by the installation place.
  • the conventional vertical-axis wind power generator has a remarkably low power generation efficiency as compared with the horizontal axis wind power generator, and when the strong wind such as a typhoon blows, the excessive wind load acts on the blade and the blade can not withstand it, There was a problem that it was deteriorated.
  • Patent Document 0001 Korean Patent Registration No. 10-1590054
  • the present invention has been conceived in order to solve the above-mentioned problems.
  • the upper and lower wings of the base frame are hinged so as to be vertically rotatable up and down.
  • a pivotal link for pivoting the upper and lower blades up and down in accordance with the movement of the nut is hingedly coupled between the inner surface of the upper and lower blades and the nut of the ball screw device, It is possible not only to improve the power generation efficiency by making it possible to smoothly rotate even in the breeze when opened, but also to be able to withstand the strong winds such as typhoons when the upper and lower wings are closed, We will do it.
  • a hinge device comprising: a base frame having a shape of a saw-toothed body, a blade attaching part formed at a front end thereof in a longitudinal direction and a wing hinge shaft formed at a rear end thereof in a longitudinal direction, And an upper blade having a hinge connection portion formed at a rear end portion thereof to be coupled to a wing hinge shaft and having a wing closure portion which is in close contact with an upper surface of the blade attachment portion when the wing is closed when the wing is closed, And a hinge joint portion is formed at the rear end of the hinge joint portion.
  • the hinge joint portion is formed at the rear end of the hinge joint portion.
  • the hinge joint portion is formed at the rear end portion of the hinge joint portion.
  • a lower blade which is installed in the width direction inside the base frame
  • the upper and lower wings of the base frame are provided with upper and lower blades for closing the upper and lower blades and closing the upper and lower blades, respectively,
  • a sealing member for sealing the gap between the upper and lower surfaces of the base is provided and a manual operation portion capable of manually operating the ball screw device using the driving handle is formed at the front end portion of the base frame.
  • upper and lower blades formed by bending a wing closure part at a front end portion thereof are hinged to be vertically rotatable on the upper and lower sides of a base frame
  • a rotating link for pivoting the upper and lower blades upward and downward is hingedly coupled between the inner surface of the upper and lower blades and the nut of the ball screw device by the movement of the nut, It is possible to smoothly rotate even when the windshield is opened so that the power generation efficiency can be remarkably improved and also the durability can be improved remarkably by being able to withstand strong winds such as typhoons when closing the upper and lower blades .
  • FIG. 1 is a perspective view showing a vertical axis wind turbine equipped with an openable blades according to the present invention
  • FIG. 2 is a perspective view showing an openable and closable blade for a vertical axis wind power generator according to the present invention
  • FIG 3 is a cross-sectional view showing the structure of a closed-type blade for a vertical axis wind power generator according to the present invention.
  • FIG. 4 is an explanatory view showing an open state of an openable / closable blade for a vertical axis wind power generator according to the present invention
  • FIG. 5 is an explanatory view showing a closed state of an openable and closable blade for a vertical axis wind power generator according to the present invention.
  • blade attachment portion 2b wing hinge shaft
  • hinge coupling part 4 lower blade
  • wing closure part 4b hinge coupling part
  • drive sprocket 10 driven sprocket
  • a wing hinge shaft is formed in a longitudinal direction at a rear end portion thereof; and a second frame member coupled to the upper portion of the base frame so as to be pivotable up and down,
  • An upper blade having a wing closure part formed in a close contact with an upper surface of the blade close contact part when the blade is closed and a hinge coupling part connected to a blade hinge axis at a rear end part
  • the lower blade having a hinged portion formed at a rear end portion of the hinge joint portion to be in close contact with the lower surface of the blade attaching portion when the blade is closed and a hinge coupling portion coupled to the blade hinge axis at a rear end portion thereof, Which is installed in the width direction inside the drive motor, drive sprocket, chain and driven sprocket
  • the upper and lower wings are hingedly coupled between the inner surface of the upper and lower blades and the nut of the ball screw device, And the upper and lower surfaces of the blade attaching portion provided on the base frame are provided with a rotation link for closing the
  • FIG. 1 A block diagram illustrating an exemplary computing system
  • the openable blades for a vertical axis wind power generator includes a base frame 2, an upper blade 3, a lower blade 4, a ball screw device 5, 6) (7).
  • the base frame 2 serves as a body of the openable blades.
  • the base frame 2 has a saw-toothed body shape.
  • the blade attachment portion 2a is formed in the longitudinal direction at the front end portion. Direction.
  • the wing closure portion 3a of the upper and lower blades 3 and 4 is closed when the upper and lower blades 3 and 4 are closed on the upper and lower surfaces of the blade attaching portion 2a provided on the base frame 2.
  • a sealing member 12 for sealing the gap between the upper and lower surfaces of the blade attachment portion 4a and the blade contact portion 2a.
  • a rubber pad, a rubber packing, Etc. are used as the sealing member 12.
  • the upper blade 3 is vertically rotatably coupled to the upper portion of the base frame 2.
  • the upper blade 3 has a wing closure portion 3a which is in close contact with the upper surface of the blade attachment portion 2a when the blade is closed And a hinge engaging portion 3b is formed at the rear end portion thereof to be coupled to the wing hinge shaft 2b.
  • the wing closure part 3a of the upper wing 3 is preferably bent downwardly so as to firmly adhere to the upper face of the wing tight contact part 2a of the base frame 2 when the upper wing 3 is closed Do.
  • the lower blade 4 is vertically pivotally coupled to the lower portion of the base frame 2 so as to be vertically symmetrical with the upper blade 3.
  • the lower blade 4 is rotatably supported at the lower end of the lower blade 4,
  • a hinge engaging portion 4b is formed at the rear end of the hinge coupling portion 4a.
  • the hinge coupling portion 4b is coupled to the wing hinge shaft 2b.
  • the wing closure part 4a of the lower wing 4 is preferably bent upwardly so as to be firmly attached to the lower face of the wing tight contact part 2a of the base frame 2 when the lower wing 4 is closed Do.
  • the ball screw device 5 is for vertically rotating the upper and lower blades 3 and 4 and is installed in the width direction of the base frame 2 and includes a driving motor 8, (9), the chain (11) and the driven sprocket (10).
  • the length of the blade is short, it is possible to install only one ball screw device (5) at the central portion. However, if the length of the blade is long, it is preferable to install two or more blades for structural stability.
  • the ball screw device 5 may be configured to be directly connected to the drive motor 8 so as to be driven. However, as shown in FIG. 2, the drive sprocket 9, the driven sprocket 10, It is preferable to configure the plurality of ball screw devices 5 to be able to be simultaneously driven by one driving motor 8. [
  • a manual operation portion 5c capable of manually operating the ball screw device 5 is formed at the front end portion of the base frame 2 by using the drive handle 13, It is possible to manually open and close the upper and lower blades 3 and 4 by manually operating the ball screw device 5 even when the drive motor 8 is not operated.
  • the rotating links 6 and 7 are hinged between the inner side surfaces of the upper and lower blades 3 and 4 and the nut 5b of the ball screw device 5, The upper and lower blades 3 and 4 are rotated up and down in accordance with the movement of the nut 5b provided on the upper and lower blades 3 and 4.
  • the rotating link 6 and 7 guide the linear movement of the nut 5b while guiding the linear motion of the nut 5b provided in the ball screw device 5 by the rotational motion of the upper and lower blades 3 and 4 And serves also as a support for firmly supporting the open or closed state of the upper and lower vanes 3, 4.
  • the openable blades for a vertical axis wind power generator according to the present invention are radially coupled to a rotary shaft 20 provided in a vertical axis wind power generator as shown in FIG. 2) should be combined to be horizontal.
  • the openable blades according to the present invention are provided with a screw shaft 5a of a ball screw device 5 by a drive motor 8, a drive sprocket 9, a chain 11 and a driven sprocket 10 as shown in Fig.
  • the nut 5b of the ball screw device 5 is moved to the side of the wing hinge shaft 2b of the base frame 2,
  • the upper and lower blades 3 and 4 of the openable blades 1 are opened as described above, the upper and lower blades 3 and 4 open and close when the lower blades 3 and 4 are rotated up and down. (4), a large amount of winds can be introduced into the breeze to smoothly rotate the breeze.
  • the upper and lower blades 3 and 4 which are formed by bending a wing closure part at the front end of the base frame 2, are hinged to be vertically rotatable
  • a ball screw device 5 driven by a drive motor 8 is provided in the base frame 2 and the inner side surfaces of the upper and lower blades 3 and 4 and the nuts 5b of the ball screw device 5
  • the rotary links 6 and 7 for vertically rotating the upper and lower blades 3 and 4 are hinged to each other in accordance with the movement of the nut 5b so that the upper and lower blades 3 and 4 It is possible to smoothly rotate even in a breeze when opened, and it is possible not only to remarkably improve the power generation efficiency but also to endure strong winds such as typhoons at the time of closing the upper and lower wings 3 and 4, .
  • the openable blades for a vertical axis wind power generator according to the present invention can be smoothly rotated even when the upper and lower blades are opened so that the power generation efficiency can be greatly improved.
  • the upper and lower blades are closed, So that the durability can be greatly improved, which is an extremely highly industrially applicable invention.

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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)
  • Wind Motors (AREA)

Abstract

The present invention relates to an openable and closeable blade for a vertical-axis wind turbine and, more specifically, to an openable and closeable blade for a vertical-axis wind turbine, wherein: an upper and a lower blade (3) (4), each having a blade closing portion curvedly formed at the front end thereof, are vertically pivotally hinged to the upper and the lower side of a base frame (2); a ball screw device (5) operated by a driving motor (8) is installed in the base frame (2); and rotating links (6) (7) for vertically pivoting the upper and the lower blade (3) (4) according to movements of a nut of the ball screw device (5) are hinged between the inner surfaces of the upper and the lower blade (3) (4) and the nut, respectively, whereby: when the upper and the lower blade are opened, the blades can be smoothly rotated even by a breeze, so that the efficiency of power generation can be significantly improved; and when the upper and the lower blade are closed, the blades can safely withstand strong winds such as in a typhoon, so that the durability thereof can be significantly improved.

Description

수직축 풍력발전기용 개폐형 블레이드Vertical axis wind turbine blade
본 발명은 수직축 풍력발전기용 개폐형 블레이드에 관한 것으로, 보다 상세하게는 베이스 프레임의 상하측에는 전단부에 날개폐쇄부가 절곡형성된 상ㆍ하부날개가 상하로 회동가능하게 힌지결합되며 베이스 프레임의 내부에 는 구동모터에 의해 구동되는 볼스크류장치가 설치되고 상ㆍ하부날개의 내측면과 볼스크류장치의 너트 사이에는 너트의 이동에 따라 상ㆍ하부날개를 상하로 회동시키는 회동링크가 힌지결합되도록 구성함으로써, 상ㆍ하부날개의 개방시 미풍에도 원활하게 회전할 수 있게 하여 발전효율을 대폭 향상시킬 수 있도록 할 뿐만 아니라, 상ㆍ하부날개의 폐쇄시 태풍과 같은 강풍에도 안전하게 견딜 수 있게 하여 내구성을 대폭 향상시킬 수 있도록 하는 수직축 풍력발전기용 개폐형 블레이드에 관한 것이다.The present invention relates to an openable and closable blade for a vertical axis wind power generator, and more particularly, to an openable and closable type blade for a vertical axis wind power generator, in which upper and lower wings, in which a wing closure part is bent at a front end part, are hinged to be vertically rotatable, And a rotating link for pivoting the upper and lower blades up and down in accordance with the movement of the nut is hinge-coupled between the inner surface of the upper and lower blades and the nut of the ball screw device, ㆍ It is possible to smoothly rotate even the breeze when the lower blade is opened, and it is possible not only to greatly improve the power generation efficiency, but also to be able to withstand the strong wind such as typhoons when the upper and lower wings are closed, To an openable and closable blade for a vertical axis wind power generator.
일반적으로 풍력발전기는 바람의 에너지를 전기 에너지로 바꿔주는 장치로서, 바람에 의해 풍력발전기의 날개를 회전시키고 이때 생긴 날개의 회전력을 이용하여 전기를 생산하게 된다.Generally, a wind turbine generator is a device that converts wind energy into electric energy. The wind generator rotates the wing of the wind turbine and generates electricity using the rotational force of the wing.
이러한 풍력발전기는 지면에 대한 회전축의 방향에 따라 회전축이 지면에 대해 수평으로 설치되어 있는 수평축 풍력발전기와 회전축이 지면에 대해 수직으로 설치되어 있는 수직축 풍력발전기로 구분되는데, 수평축 풍력발전기는 로터의 정면에서 바람이 불어야만 로터를 회전시킬 수 있으므로 설치 장소에 제약이 있는 반면, 수직축 풍력발전기는 사방에서 불어오는 바람에 의해 로터를 회전시킬 수 있으므로 설치장소에 제약을 받지 않는다.Such a wind turbine generator is divided into a horizontal axis wind turbine having a rotation axis horizontally arranged to the ground according to the direction of rotation axis of the ground and a vertical axis wind turbine having a rotation axis perpendicular to the ground. The vertical axis wind turbine can rotate the rotor by the wind blowing from all directions, so that it is not limited by the installation place.
이와 같은 이유로 최근에는 수평축 풍력발전기보다 수직축 풍력발전기의 설치가 더욱 증가하고 있는 추세이다.For this reason, vertical wind turbine generators are more and more installed than horizontal wind turbine generators in recent years.
그러나, 종래의 수직축 풍력발전기는 수평축 풍력발전기에 비해 발전효율이 현저히 낮을 뿐만 아니라, 태풍 등과 같이 강한 바람이 불 경우 블레이드에 과도한 풍하중이 작용하게 됨에 따라 블레이드가 이를 견디지 못하고 쉽게 파손됨으로 인해 내구성이 현저히 저하되는 문제점이 있었다.However, the conventional vertical-axis wind power generator has a remarkably low power generation efficiency as compared with the horizontal axis wind power generator, and when the strong wind such as a typhoon blows, the excessive wind load acts on the blade and the blade can not withstand it, There was a problem that it was deteriorated.
선행기술 문헌Prior art literature
(특허문헌 0001) 대한민국 등록특허공보 제10-1590054호(Patent Document 0001) Korean Patent Registration No. 10-1590054
본 발명은 상기의 문제점을 해결하기 위하여 안출된 것으로서, 베이스 프레임의 상하측에는 전단부에 날개폐쇄부가 절곡형성된 상ㆍ하부날개가 상하로 회동가능하게 힌지결합되며 베이스 프레임의 내부에는 구동모터에 의해 구동되는 볼스크류장치가 설치되고 상ㆍ하부날개의 내측면과 볼스크류장치의 너트 사이에는 너트의 이동에 따라 상ㆍ하부날개를 상하로 회동시키는 회동링크가 힌지결합되도록 구성함으로써, 상ㆍ하부날개의 개방시 미풍에도 원활하게 회전할 수 있게 하여 발전효율을 대폭 향상시킬 수 있도록 할 뿐만 아니라, 상ㆍ하부날개의 폐쇄시 태풍과 같은 강풍에도 안전하게 견딜 수 있게 하여 내구성을 대폭 향상시킬 수 있도록 하는 것을 기술적 과제로 한다.The present invention has been conceived in order to solve the above-mentioned problems. The upper and lower wings of the base frame are hinged so as to be vertically rotatable up and down. And a pivotal link for pivoting the upper and lower blades up and down in accordance with the movement of the nut is hingedly coupled between the inner surface of the upper and lower blades and the nut of the ball screw device, It is possible not only to improve the power generation efficiency by making it possible to smoothly rotate even in the breeze when opened, but also to be able to withstand the strong winds such as typhoons when the upper and lower wings are closed, We will do it.
상기의 기술적 과제를 달성하기 위한 본 발명은 사각틀체 형상으로 이루어지며 전단부에는 날개밀착부가 길이방향으로 형성되고 후단부에는 날개힌지축이 길이방향으로 형성되는 베이스 프레임과, 상기 베이스 프레임의 상부에 상하로 회동가능하게 결합되는 것으로 전단부에는 날개의 폐쇄시 날개밀착부의 상면에 밀착되는 날개폐쇄부가 절곡형성되며 후단부에는 날개힌지축에 결합되는 힌지결합부가 형성되는 상부날개와, 상기 상부날개와 상하 대칭을 이루도록 베이스 프레임의 하부에 상하로 회동가능하게 결합되는 것으로 전단부에는 날개의 폐쇄시 날개밀착부의 하면에 밀착되는 날개폐쇄부가 절곡형성되며 후단부에는 날개힌지축에 결합되는 힌지결합부가 형성되는 하부날개와, 상기 베이스 프레임의 내부에 폭방향으로 설치되는 것으로 구동모터, 구동스프라켓, 체인 및 종동스프라켓에 의해 구동되는 복수개의 볼스크류장치와, 상기 상ㆍ하부날개의 내측면과 볼스크류장치의 너트 사이에 각각 힌지결합되는 것으로 상기 볼스크류장치에 구비된 너트의 이동에 따라 상ㆍ하부날개를 상하로 회동시키는 회동링크를 포함하며, 상기 베이스 프레임에 구비된 날개밀착부의 상ㆍ하면에는 상ㆍ하부날개의 폐쇄시 상ㆍ하부날개의 날개폐쇄부와 날개밀착부의 상ㆍ하면 사이의 틈새를 밀폐하기 위한 밀폐부재가 설치되고, 상기 베이스 프레임의 전단부에는 구동용 핸들을 이용하여 볼스크류장치를 수동으로 조작할 수 있는 수동조작부가 형성되는 것을 특징으로 한다.According to an aspect of the present invention, there is provided a hinge device comprising: a base frame having a shape of a saw-toothed body, a blade attaching part formed at a front end thereof in a longitudinal direction and a wing hinge shaft formed at a rear end thereof in a longitudinal direction, And an upper blade having a hinge connection portion formed at a rear end portion thereof to be coupled to a wing hinge shaft and having a wing closure portion which is in close contact with an upper surface of the blade attachment portion when the wing is closed when the wing is closed, And a hinge joint portion is formed at the rear end of the hinge joint portion. The hinge joint portion is formed at the rear end of the hinge joint portion. The hinge joint portion is formed at the rear end portion of the hinge joint portion. And a lower blade which is installed in the width direction inside the base frame A plurality of ball screw devices driven by a motor, a drive sprocket, a chain, and a driven sprocket; and a nut provided on the inner surface of the upper and lower blades and hinged between the nuts of the ball screw device, The upper and lower wings of the base frame are provided with upper and lower blades for closing the upper and lower blades and closing the upper and lower blades, respectively, A sealing member for sealing the gap between the upper and lower surfaces of the base is provided and a manual operation portion capable of manually operating the ball screw device using the driving handle is formed at the front end portion of the base frame.
상기한 바와 같이 본 발명에 의한 수직축 풍력발전기용 개폐형 블레이드는 베이스 프레임의 상하측에는 전단부에 날개폐쇄부가 절곡형성된 상ㆍ하부날개가 상하로 회동가능하게 힌지결합되며 베이스 프레임의 내부에는 구동모터에 의해 구동되는 볼스크류장치가 설치되고 상ㆍ하부날개의 내측면과 볼스크류장치의 너트 사이에는 너트의 이동에 따라 상ㆍ하부날개를 상하로 회동시키는 회동링크가 힌지결합되도록 구성됨으로써, 상ㆍ하부날개의 개방시 미풍에도 원활하게 회전할 수 있게 되어 발전효율을 대폭 향상시킬 수 있게 될 뿐만 아니라, 상ㆍ하부날개의 폐쇄시 태풍과 같은 강풍에도 안전하게 견딜 수 있게 되어 내구성을 대폭 향상시킬 수 있게 되는 효과가 있다.As described above, in the openable blades for a vertical axis wind power generator, upper and lower blades formed by bending a wing closure part at a front end portion thereof are hinged to be vertically rotatable on the upper and lower sides of a base frame, A rotating link for pivoting the upper and lower blades upward and downward is hingedly coupled between the inner surface of the upper and lower blades and the nut of the ball screw device by the movement of the nut, It is possible to smoothly rotate even when the windshield is opened so that the power generation efficiency can be remarkably improved and also the durability can be improved remarkably by being able to withstand strong winds such as typhoons when closing the upper and lower blades .
도 1은 본 발명에 의한 개폐형 블레이드가 장착된 수직축 [0012] 풍력발전기를 나타내는 사시도.1 is a perspective view showing a vertical axis wind turbine equipped with an openable blades according to the present invention;
도 2는 본 발명에 의한 수직축 풍력발전기용 개폐형 블레이드를 나타내는 사시도.2 is a perspective view showing an openable and closable blade for a vertical axis wind power generator according to the present invention;
도 3은 본 발명에 의한 수직축 풍력발전기용 개폐형 블레이드의 구조를 나타내는 단면도.3 is a cross-sectional view showing the structure of a closed-type blade for a vertical axis wind power generator according to the present invention.
도 4는 본 발명에 의한 수직축 풍력발전기용 개폐형 블레이드의 개방상태를 나타내는 설명도.4 is an explanatory view showing an open state of an openable / closable blade for a vertical axis wind power generator according to the present invention;
도 5는 본 발명에 의한 수직축 풍력발전기용 개폐형 블레이드의 폐쇄상태를 나타내는 설명도.5 is an explanatory view showing a closed state of an openable and closable blade for a vertical axis wind power generator according to the present invention.
도면의 주요부호 설명DESCRIPTION OF THE DRAWINGS
1 : 개폐형 블레이드 2 : 베이스 프레임1: openable blades 2: base frame
2a : 날개밀착부 2b : 날개힌지축2a: blade attachment portion 2b: wing hinge shaft
3 : 상부날개 3a : 날개폐쇄부3: upper blade 3a: wing closure
3b : 힌지결합부 4 : 하부날개3b: hinge coupling part 4: lower blade
4a : 날개폐쇄부 4b : 힌지결합부4a: wing closure part 4b: hinge coupling part
5 : 볼스크류장치 5a : 스크류축5: Ball screw device 5a: Screw shaft
5b : 너트 5c : 수동조작부5b: nut 5c: manual operation portion
6, 7 : 회동링크 8 : 구동모터6, 7: rotation link 8: drive motor
9 : 구동스프라켓 10 : 종동스프라켓9: drive sprocket 10: driven sprocket
11 : 체인 12 : 밀폐부재11: chain 12: sealing member
13 : 구동용 핸들13: Drive handle
사각틀체 형상으로 이루어지며 전단부에는 날개밀착부가 길이방향으로 형성되고 후단부에는 날개힌지축이 길이 방향으로 형성되는 베이스 프레임과, 상기 베이스 프레임의 상부에 상하로 회동가능하게 결합되는 것으로, 전단부에는 날개의 폐쇄시 날개밀착부의 상면에 밀착되는 날개폐쇄부가 절곡형성되며 후단부에는 날개힌지축에 결합되는 힌지결합부가 형성되는 상부날개와, 상기 상부날개와 상하대칭을 이루도록 베이스 프레임의 하부에 상하로 회동가능하게 결합되는 것으로, 전단부에는 날개의 폐쇄시 날개밀착부의 하면에 밀착되는 날개폐쇄부가 절곡형성되며 후단부에는 날개힌지축에 결합되는 힌지결합부가 형성되는 하부날개와, 상기 베이스 프레임의 내부에 폭방향으로 설치되는 것으로 구동모터, 구동스프라켓, 체인 및 종동스프라켓에 의해 구동되는 복수개의 볼스크류장치와, 상기 상ㆍ하부날개의 내측면과 볼스크류장치의 너트 사이에 각각 힌지결합되는 것으로, 상기 볼스크류장치에 구비된 너트의 이동에 따라 상ㆍ하부날개를 상하로 회동시키는 회동링크를 포함하며, 상기 베이스 프레임에 구비된 날개밀착부의 상ㆍ하면에는 상ㆍ하부날개의 폐쇄시 상ㆍ하부날개의 날개폐쇄부와 날개밀착부의 상ㆍ하면 사이의 틈새를 밀폐하기 위한 밀폐부재가 설치되고, 상기 베이스 프레임의 전단부에는 구동용 핸들을 이용하여 볼스크류장치를 수동으로 조작할 수 있는 수동조작부가 형성되는 것을 특징으로 한다.And a wing hinge shaft is formed in a longitudinal direction at a rear end portion thereof; and a second frame member coupled to the upper portion of the base frame so as to be pivotable up and down, An upper blade having a wing closure part formed in a close contact with an upper surface of the blade close contact part when the blade is closed and a hinge coupling part connected to a blade hinge axis at a rear end part, The lower blade having a hinged portion formed at a rear end portion of the hinge joint portion to be in close contact with the lower surface of the blade attaching portion when the blade is closed and a hinge coupling portion coupled to the blade hinge axis at a rear end portion thereof, Which is installed in the width direction inside the drive motor, drive sprocket, chain and driven sprocket And the upper and lower wings are hingedly coupled between the inner surface of the upper and lower blades and the nut of the ball screw device, And the upper and lower surfaces of the blade attaching portion provided on the base frame are provided with a rotation link for closing the upper and lower wings of the upper and lower blades and the upper and lower surfaces of the blade attaching portion when the upper and lower blades are closed, And a manual operation portion for manually operating the ball screw device using a driving handle is formed at a front end portion of the base frame.
이하, 상기의 목적을 달성하기 위한 본 발명을 도 1 내지 도 5를 참조하여 상세히 설명하면 다음과 같다.Hereinafter, the present invention will be described in detail with reference to FIGS. 1 to 5. FIG.
본 발명에 의한 수직축 풍력발전기용 개폐형 블레이드는 도 2와 도 3에 도시되어 있는 바와 같이 베이스 프레임(2), 상부날개(3), 하부날개(4), 볼스크류장치(5), 회동링크(6)(7)를 포함하도록 구성된다.2 and 3, the openable blades for a vertical axis wind power generator according to the present invention includes a base frame 2, an upper blade 3, a lower blade 4, a ball screw device 5, 6) (7).
상기 베이스 프레임(2)은 개폐형 블레이드의 몸체 역할을 하는 것으로, 사각틀체 형상으로 이루어지며, 전단부에는 날개밀착부(2a)가 길이방향으로 형성되고, 후단부에는 날개힌지축(2b)이 길이방향으로 형성된다.The base frame 2 serves as a body of the openable blades. The base frame 2 has a saw-toothed body shape. The blade attachment portion 2a is formed in the longitudinal direction at the front end portion. Direction.
상기 베이스 프레임(2)에 구비된 날개밀착부(2a)의 상ㆍ하면에는 상ㆍ하부날개(3)(4)의 폐쇄시 상ㆍ하부날개(3)(4)의 날개폐쇄부(3a)(4a)와 날개밀착부(2a)의 상ㆍ하면 사이의 틈새를 밀폐하기 위한 밀폐부재(12)를 설치하는 것이 바람직한데, 상기 밀폐부재(12)로는 기밀성이 우수한 고무패드나 고무패킹 또는 가스켓 등이 사용된다.The wing closure portion 3a of the upper and lower blades 3 and 4 is closed when the upper and lower blades 3 and 4 are closed on the upper and lower surfaces of the blade attaching portion 2a provided on the base frame 2. [ It is preferable to provide a sealing member 12 for sealing the gap between the upper and lower surfaces of the blade attachment portion 4a and the blade contact portion 2a. As the sealing member 12, a rubber pad, a rubber packing, Etc. are used.
이와 같이 상기 날개밀착부(2a)의 상ㆍ하면에 밀폐부재(12)를 설치하게 되면, 상ㆍ하부날개(3)(4)의 폐쇄시 상ㆍ하부날개(3)(4)의 날개폐쇄부(3a)(4a)와 날개밀착부(2a)의 상ㆍ하면 사이의 틈새가 완전히 밀폐되어 상ㆍ하부날개(3)(4)의 내부로 바람이 유입되는 것을 효과적으로 차단할 수 있게 되므로 태풍과 같은 강풍에도 안전하게 견딜 수 있게 된다.When the closure member 12 is provided on the upper and lower surfaces of the blade attaching portion 2a as described above, when the upper and lower blades 3 and 4 are closed, the wings of the upper and lower blades 3 and 4 are closed It is possible to effectively block the clearance between the upper portion 3a and the lower portion 3b of the blade 4a and the upper and lower surfaces of the blade contact portion 2a to effectively prevent wind from flowing into the upper and lower blades 3 and 4, It can withstand the same strong winds.
상기 상부날개(3)는 상기 베이스 프레임(2)의 상부에 상하로 회동가능하게 결합되는 것으로, 전단부에는 날개의 폐쇄시 날개밀착부(2a)의 상면에 밀착되는 날개폐쇄부(3a)가 절곡형성되며, 후단부에는 날개힌지축(2b)에 결합되는 힌지결합부(3b)가 형성된다.The upper blade 3 is vertically rotatably coupled to the upper portion of the base frame 2. The upper blade 3 has a wing closure portion 3a which is in close contact with the upper surface of the blade attachment portion 2a when the blade is closed And a hinge engaging portion 3b is formed at the rear end portion thereof to be coupled to the wing hinge shaft 2b.
상기 상부날개(3)의 날개폐쇄부(3a)는 상부날개(3)의 폐쇄시 베이스 프레임(2)의 날개밀착부(2a)의 상면에 견고하게 밀착될 수 있도록 하향 경사지게 절곡형성하는 것이 바람직하다.The wing closure part 3a of the upper wing 3 is preferably bent downwardly so as to firmly adhere to the upper face of the wing tight contact part 2a of the base frame 2 when the upper wing 3 is closed Do.
상기 하부날개(4)는 상기 상부날개(3)와 상하대칭을 이루도록 베이스 프레임(2)의 하부에 상하로 회동가능하게 결합되는 것으로, 전단부에는 날개의 폐쇄시 날개밀착부(2a)의 하면에 밀착되는 날개폐쇄부(4a)가 절곡형성되며, 후단부에는 날개힌지축(2b)에 결합되는 힌지결합부(4b)가 형성된다.The lower blade 4 is vertically pivotally coupled to the lower portion of the base frame 2 so as to be vertically symmetrical with the upper blade 3. The lower blade 4 is rotatably supported at the lower end of the lower blade 4, And a hinge engaging portion 4b is formed at the rear end of the hinge coupling portion 4a. The hinge coupling portion 4b is coupled to the wing hinge shaft 2b.
상기 하부날개(4)의 날개폐쇄부(4a)는 하부날개(4)의 폐쇄시 베이스 프레임(2)의 날개밀착부(2a)의 하면에 견고하게 밀착될 수 있도록 상향 경사지게 절곡형성하는 것이 바람직하다.The wing closure part 4a of the lower wing 4 is preferably bent upwardly so as to be firmly attached to the lower face of the wing tight contact part 2a of the base frame 2 when the lower wing 4 is closed Do.
상기 볼스크류장치(5)는 상기 상ㆍ하부날개(3)(4)를 상하로 회동시키기 위한 것으로, 상기 베이스 프레임(2)의 내부에 폭방향으로 설치되는 것으로 구동모터(8), 구동스프라켓(9), 체인(11) 및 종동스프라켓(10)에 의해 구동된다.The ball screw device 5 is for vertically rotating the upper and lower blades 3 and 4 and is installed in the width direction of the base frame 2 and includes a driving motor 8, (9), the chain (11) and the driven sprocket (10).
상기 볼스크류장치(5)는 블레이드의 길이가 짧을 경우 중앙부에 1개만 설치하는 것도 가능하지만, 블레이드의 길이가 길어질 경우 구조적인 안정성을 위해 2개 이상 설치하는 것이 바람직하다.If the length of the blade is short, it is possible to install only one ball screw device (5) at the central portion. However, if the length of the blade is long, it is preferable to install two or more blades for structural stability.
그리고, 상기 볼스크류장치(5)는 구동모터(8)에 직접 연결하여 구동하도록 구성하는 것도 가능하지만, 도 2에 도시되어 있는 바와 같이 구동스프라켓(9), 종동스프라켓(10) 및 체인(11)를 이용하여 하나의 구동모터(8)로 복수개의 볼스크류장치(5)를 동시에 구동할 수 있도록 구성하는 것이 바람직하다.The ball screw device 5 may be configured to be directly connected to the drive motor 8 so as to be driven. However, as shown in FIG. 2, the drive sprocket 9, the driven sprocket 10, It is preferable to configure the plurality of ball screw devices 5 to be able to be simultaneously driven by one driving motor 8. [
아울러, 상기 베이스 프레임(2)의 전단부에는 구동용 핸들(13)을 이용하여 볼스크류장치(5)를 수동으로 조작할 수 있는 수동조작부(5c)를 형성하는 것이 바람직한데, 이렇게 하면 정전 등으로 인해 구동모터(8)가 작동하지 않을 경우에도 볼스크류장치(5)를 수동으로 조작하여 상ㆍ하부날개(3)(4)를 용이하게 개폐할 수 있게 된다.It is preferable that a manual operation portion 5c capable of manually operating the ball screw device 5 is formed at the front end portion of the base frame 2 by using the drive handle 13, It is possible to manually open and close the upper and lower blades 3 and 4 by manually operating the ball screw device 5 even when the drive motor 8 is not operated.
상기 회동링크(6)(7)는 상기 상ㆍ하부날개(3)(4)의 내측면과 볼스크류장치(5)의 너트(5b) 사이에 각각 힌지결합되는 것으로, 상기 볼스크류장치(5)에 구비된 너트(5b)의 이동에 따라 상ㆍ하부날개(3)(4)를 상하로 회동시키게 된다.The rotating links 6 and 7 are hinged between the inner side surfaces of the upper and lower blades 3 and 4 and the nut 5b of the ball screw device 5, The upper and lower blades 3 and 4 are rotated up and down in accordance with the movement of the nut 5b provided on the upper and lower blades 3 and 4.
상기 회동링크(6)(7)는 볼스크류장치(5)에 구비된 너트(5b)의 직선운동을 안내하면서 너트(5b)의 직선운동을 상ㆍ하부날개(3)(4)의 회전운동으로 전환하는 커넥팅로드 역할을 하는 동시에 상ㆍ하부날개(3)(4)의 개방상태 또는 폐쇄상태를 견고하게 지지하는 지지대 역할도 하게 된다.The rotating link 6 and 7 guide the linear movement of the nut 5b while guiding the linear motion of the nut 5b provided in the ball screw device 5 by the rotational motion of the upper and lower blades 3 and 4 And serves also as a support for firmly supporting the open or closed state of the upper and lower vanes 3, 4.
상기와 같이 구성되는 본 발명에 의한 수직축 풍력발전기용 개폐형 블레이드의 사용 및 작용관계를 설명하면 다음과 같다.The use and operation of the openable blades for a vertical axis wind power generator according to the present invention will be described below.
본 발명에 의한 수직축 풍력발전기용 개폐형 블레이드는 도 1에 도시되어 있는 바와 같이 수직축 풍력발전기에 구비된 회전축(20)에 방사상으로 결합하여 사용하게 되는데, 이 때 각 개폐형 블레이드(1)는 베이스 프레임(2)이 수평상태가 되도록 결합되어야 한다.The openable blades for a vertical axis wind power generator according to the present invention are radially coupled to a rotary shaft 20 provided in a vertical axis wind power generator as shown in FIG. 2) should be combined to be horizontal.
본 발명에 의한 개폐형 블레이드는 도 4에 도시되어 있는 바와 같이 구동모터(8), 구동스프라켓(9), 체인(11) 및 종동스프라켓(10)에 의해 볼스크류장치(5)의 스크류축(5a)을 정회전시키게 되면, 볼스크류장치(5)의 너트(5b)가 베이스 프레임(2)의 날개힌지축(2b) 측으로 이동하게 되고, 이에 따라 회동링크(6)(7)에 의해 연결된 상ㆍ하부날개(3)(4)가 상하로 회동하게 되면서 개방상태가 되는데, 이와 같이 개폐형 블레이드(1)의 상ㆍ하부날개(3)(4)가 개방상태가 되면 상ㆍ하부날개(3)(4) 사이로 많은 양의 바람이 유입되면서 미풍에도 원활하게 회전할 수 있게 된다.The openable blades according to the present invention are provided with a screw shaft 5a of a ball screw device 5 by a drive motor 8, a drive sprocket 9, a chain 11 and a driven sprocket 10 as shown in Fig. The nut 5b of the ball screw device 5 is moved to the side of the wing hinge shaft 2b of the base frame 2, When the upper and lower blades 3 and 4 of the openable blades 1 are opened as described above, the upper and lower blades 3 and 4 open and close when the lower blades 3 and 4 are rotated up and down. (4), a large amount of winds can be introduced into the breeze to smoothly rotate the breeze.
그리고, 본 발명에 의한 개폐형 블레이드는 도 5에 도시되어 있는 바와 같이 구동모터(8)를 이용하여 볼스크류장치(5)의 스크류축(5a)을 역회전시키게 되면, 볼스크류장치(5)의 너트(5b)가 베이스 프레임(2)의 날개밀착부(2a) 측으로 이동하게 되고, 이에 따라 회동링크(6)(7)에 의해 연결된 상ㆍ하부날개(3)(4)가 상하로 회동하게 되면서 폐쇄상태가 되는데, 이와 같이 개폐형 블레이드(1)의 상ㆍ하부날개(3)(4)가 폐쇄상태가 되면, 상ㆍ하부날개(3)(4) 사이에 형성된 공간으로 바람이 전혀 유입되지 않게 되므로 태풍과 같은 강풍에 의해 개폐형 블레이드(1)가 파손되는 것을 효과적으로 방지할 수 있게 된다.5, when the screw shaft 5a of the ball screw device 5 is rotated reversely by using the driving motor 8, The nut 5b is moved toward the blade attaching portion 2a of the base frame 2 so that the upper and lower blades 3 and 4 connected by the pivotal link 6 and 7 rotate up and down When the upper and lower blades 3 and 4 of the openable blades 1 are closed as described above, no air flows into the space formed between the upper and lower blades 3 and 4 It is possible to effectively prevent the openable blades 1 from being damaged by strong winds such as typhoons.
상기한 바와 같이 본 발명에 의한 수직축 풍력발전기용 개폐형 블레이드는 베이스 프레임(2)의 상하측에는 전단부에 날개폐쇄부가 절곡형성된 상ㆍ하부날개(3)(4)가 상하로 회동가능하게 힌지결합되며 베이스 프레임(2)의 내부에는 구동모터(8)에 의해 구동되는 볼스크류장치(5)가 설치되고 상ㆍ하부날개(3)(4)의 내측면과 볼스크류장치(5)의 너트(5b) 사이에는 너트(5b)의 이동에 따라 상ㆍ하부날개(3)(4)를 상하로 회동시키는 회동링크(6)(7)가 힌지결합되도록 구성됨으로써, 상ㆍ하부날개(3)(4)의 개방시 미풍에도 원활하게 회전할 수 있게 되어 발전효율을 대폭 향상시킬 수 있게 될 뿐만 아니라, 상ㆍ하부날개(3)(4)의 폐쇄시 태풍과 같은 강풍에도 안전하게 견딜수 있게 되어 내구성을 대폭 향상시킬 수 있게 된다.As described above, in the openable blades for a vertical axis wind power generator according to the present invention, the upper and lower blades 3 and 4, which are formed by bending a wing closure part at the front end of the base frame 2, are hinged to be vertically rotatable A ball screw device 5 driven by a drive motor 8 is provided in the base frame 2 and the inner side surfaces of the upper and lower blades 3 and 4 and the nuts 5b of the ball screw device 5 The rotary links 6 and 7 for vertically rotating the upper and lower blades 3 and 4 are hinged to each other in accordance with the movement of the nut 5b so that the upper and lower blades 3 and 4 It is possible to smoothly rotate even in a breeze when opened, and it is possible not only to remarkably improve the power generation efficiency but also to endure strong winds such as typhoons at the time of closing the upper and lower wings 3 and 4, .
본 발명에 따른 수직축 풍력발전기용 개폐형 블레이드는 상ㆍ하부날개의 개방시 미풍에도 원활하게 회전할 수 있게 되어 발전효율을 대폭 향상시킬 수 있게 될 뿐만 아니라, 상ㆍ하부날개의 폐쇄시 태풍과 같은 강풍에도 안전하게 견딜 수 있게 되어 내구성을 대폭 향상시킬 수 있게 되는 효과가 있어 산업상 이용가능성이 매우 높은 발명인 것이다.The openable blades for a vertical axis wind power generator according to the present invention can be smoothly rotated even when the upper and lower blades are opened so that the power generation efficiency can be greatly improved. In addition, when the upper and lower blades are closed, So that the durability can be greatly improved, which is an extremely highly industrially applicable invention.

Claims (1)

  1. 사각틀체 형상으로 이루어지며 전단부에는 날개밀착부가 길이방향으로 형성되고 후단부에는 날개힌지축이 길이방향으로 형성되는 베이스 프레임과,A base frame formed in a shape of a saw-toothed body and having a blade attaching portion formed in the longitudinal direction at the front end portion and a blade hinge shaft formed in the longitudinal direction at the rear end portion,
    상기 베이스 프레임의 상부에 상하로 회동가능하게 결합되는 것으로, 전단부에는 날개의 폐쇄시 날개밀착부의 상면에 밀착되는 날개폐쇄부가 절곡형성되며 후단부에는 날개힌지축에 결합되는 힌지결합부가 형성되는 상부날개와,Wherein a front end portion of the base frame is coupled to the upper portion of the base frame so that a wing closure portion, which is in close contact with the upper surface of the wing closure portion when the wing is closed, is bent and a hinge coupling portion With wings,
    상기 상부날개와 상하대칭을 이루도록 베이스 프레임의 하부에 상하로 회동가능하게 결합되는 것으로, 전단부에는 날개의 폐쇄시 날개밀착부의 하면에 밀착되는 날개폐쇄부가 절곡형성되며 후단부에는 날개힌지축에 결합되는 힌지결합부가 형성되는 하부날개와,A wing closure part which is in close contact with a bottom face of the wing closure part when the wing is closed is formed at the front end part of the base frame so as to be vertically symmetrical with the upper wing, A lower blade on which a hinge coupling part is formed,
    상기 베이스 프레임의 내부에 폭방향으로 설치되는 것으로 구동모터, 구동스프라켓, 체인 및 종동스프라켓에 의해 구동되는 복수개의 볼스크류장치와,A plurality of ball screw devices installed in the width direction of the base frame and driven by a driving motor, a driving sprocket, a chain, and a driven sprocket;
    상기 상ㆍ하부날개의 내측면과 볼스크류장치의 너트 사이에 각각 힌지결합되는 것으로, 상기 볼스크류장치에 구비된 너트의 이동에 따라 상ㆍ하부날개를 상하로 회동시키는 회동링크를 포함하며,And a pivot link which is hingedly coupled between an inner surface of the upper and lower blades and a nut of the ball screw device and rotates the upper and lower blades vertically in accordance with the movement of the nut provided on the ball screw device,
    상기 베이스 프레임에 구비된 날개밀착부의 상ㆍ하면에는 상ㆍ하부날개의 폐쇄시 상ㆍ하부날개의 날개폐쇄부와 날개밀착부의 상ㆍ하면 사이의 틈새를 밀폐하기 위한 밀폐부재가 설치되고, 상기 베이스 프레임의 전단부에는 구동용 핸들을 이용하여 볼스크류장치를 수동으로 조작할 수 있는 수동조작부가 형성되는 것을 특징으로 하는 수직축 풍력발전기용 개폐형 블레이드.A sealing member for sealing the gap between the upper and lower surfaces of the blade close portion and the blade close portion of the upper and lower blades when the upper and lower blades are closed is provided on the upper and lower surfaces of the blade close portion provided on the base frame, Wherein a front end portion of the frame is formed with a manual operating portion capable of manually operating the ball screw device using a drive handle.
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