JP2009019550A - Wind-power generator apparatus - Google Patents

Wind-power generator apparatus Download PDF

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Publication number
JP2009019550A
JP2009019550A JP2007182216A JP2007182216A JP2009019550A JP 2009019550 A JP2009019550 A JP 2009019550A JP 2007182216 A JP2007182216 A JP 2007182216A JP 2007182216 A JP2007182216 A JP 2007182216A JP 2009019550 A JP2009019550 A JP 2009019550A
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power generator
wind power
wind
support column
rotor head
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Ryohei Kurosawa
亮平 黒沢
Keizo Tanabe
恵三 田辺
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Kurosawa Construction Co Ltd
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Kurosawa Construction Co Ltd
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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
    • 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

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Abstract

<P>PROBLEM TO BE SOLVED: To provide a wind-power generator apparatus that is installed in shorter period of time by reducing field jobs and with good efficiency even in a location that is disadvantageous in a site condition such as a remote place or a mountain, as well as with high rigidity without the need for maintenance including rust prevention. <P>SOLUTION: In a wind-power generator apparatus 1, provided is a support pole 5 in which a plurality of cylindrical pre-cast concrete blocks 4 are stacked on a foundation plate 3 installed on the ground 2, and these pre-cast concrete blocks 4 are joined with a predetermined pre-stresses being applied by tension materials 11 wired thereto. A wind-power generator 6 consisting of a nacelle 13, a rotor head 14, and blades 15 attached to the rotor head 14, is installed on the support pole 5. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

本願発明は風力発電装置に関するものである。   The present invention relates to a wind turbine generator.

近年、環境保護の面からクリーンなエネルギーとして風を利用した風力発電装置が多く設置されている。この風力発電装置は風力を回転に変換するブレード（回転翼）と、このブレードの回転を電力に変換する発電機とを備え、大型なほど発電効率が優れているといわれている。そのため最近は直径が１００ｍを超えるブレードを備えた風力発電装置が各地に設置されている。このような大型の風力発電装置は、図９に示すように、鋼管の支柱３３の頂部にナセル３４が設置され、このナセル３４にローターヘッド３５が回転自在に設置され、このローターヘッド３５に直径１００ｍものブレード３６が取り付けられている。またその他の風力発電装置として、例えば、特開２００７−８５２７１号公報の発明が開示されている。
特開２００７−８５２７１号公報 In recent years, many wind power generators using wind as clean energy have been installed from the viewpoint of environmental protection. This wind power generation apparatus includes a blade (rotary blade) that converts wind power into rotation and a generator that converts rotation of the blade into electric power, and the larger the size, the better the power generation efficiency. Therefore, recently, wind power generators equipped with blades with a diameter exceeding 100 m have been installed in various places. As shown in FIG. 9, such a large wind power generator has a nacelle 34 installed on the top of a steel pipe column 33, and a rotor head 35 is rotatably installed on the nacelle 34, and the rotor head 35 has a diameter. A blade 36 of 100 m is attached. As another wind power generator, for example, the invention of Japanese Patent Application Laid-Open No. 2007-85271 is disclosed.
JP 2007-85271 A

しかし、上記の風力発電装置は大型であるため、台風などの強風を受けても倒壊・転倒しないようにするには、土台や支柱を堅牢化または大型化する必要があるため費用が嵩む他、遠隔地や山間などに設置するのが困難であった。また支柱が鋼管であるため防錆を施す必要があり、そのメンテナンスも容易ではなかった。   However, since the wind power generator described above is large, in order to prevent it from collapsing and falling even if it receives strong winds such as a typhoon, it is necessary to make the foundation and support solid or to increase the size, It was difficult to install in remote areas or mountains. Moreover, since the support | pillar is a steel pipe, it was necessary to give rust prevention and the maintenance was not easy.

本願発明はこれらの問題に鑑みてなされたものであり、その目的は、遠隔地や山間などの立地条件に恵まれない場所であっても、現場作業を少なくして短期間でかつ効率良く設置することができるとともに、防錆などのメンテナンスも必要としない、剛性の高い風力発電装置を提供することである。   The present invention has been made in view of these problems, and its purpose is to install it in a short period of time with less on-site work, even in locations that are not blessed with location conditions such as remote areas and mountains. It is possible to provide a high-rigidity wind power generator that can be used and does not require maintenance such as rust prevention.

以上の課題を解決するための風力発電装置は、地盤に設置された基礎板の上に筒形のプレキャストコンクリートブロックを複数積み重ねた支柱が立設され、これらのプレキャストコンクリートブロックがそれに配線された緊張材で所定のプレストレスを付与されて接合され、前記の支柱にはナセルと、ロータヘッドと、該ロータヘッドに取り付けられたブレードとからなる風力発電機が設置されたことを特徴とする。またプレキャストコンクリートブロックは半割のコンクリートユニットが合わさって構成されたことを含む。また風力発電機は支柱の頂部および支柱の中途部に設置されたことを含む。また支柱にはソラーパネルが設置されたことを含む。また支柱内に配線した緊張材が避雷針を兼ねることを含むものである。   In the wind power generator for solving the above problems, a column in which a plurality of cylindrical precast concrete blocks are stacked is erected on a foundation plate installed on the ground, and these precast concrete blocks are wired to it. A wind power generator comprising a nacelle, a rotor head, and a blade attached to the rotor head is installed on the support column. The precast concrete block includes a structure in which half of the concrete units are combined. Moreover, it is included that the wind power generator was installed in the top part of the support | pillar and the middle part of the support | pillar. It also includes the installation of a solar panel on the column. It also includes that the tension material wired in the column also serves as a lightning rod.

支柱をプレキャストコンクリートブロックで形成したことにより、遠隔地や山間などの立地条件に恵まれない場所であっても現場作業を少なくして短期間でかつ効率良く設置することができる。また防錆などのメンテナンスも必要としない剛性の高い風力発電装置を提供することができる。また鋼管の支柱に比べて剛性を大きくできるとともに、耐久年数を大幅に伸ばすことができる。また台風などの強風時において変形を小さくすることができるので、ブレードの防振効果を上げることができる。また風力発電と太陽光発電とを併用することができるので、発電能力当たりの風力発電装置の建設コストを低減することができる。また支柱を高くすることができるので、風力発電機を高い箇所に設置することができる。また複数の風力発電装置を設置することができるので、風力発電装置の一基当たりのコストの低減を図ることができる。また支柱内に配線した緊張材が避雷針を兼ねることにより、風力発電装置の落雷時における損傷を防ぐことができる。   By forming the struts with precast concrete blocks, it is possible to install them in a short period of time with less field work, even in locations that are not blessed with location conditions such as remote areas and mountains. Further, it is possible to provide a highly rigid wind power generator that does not require maintenance such as rust prevention. In addition, the rigidity can be increased compared to the steel pipe support, and the durability can be greatly extended. Further, since the deformation can be reduced during a strong wind such as a typhoon, the vibration isolation effect of the blade can be improved. Further, since wind power generation and solar power generation can be used in combination, the construction cost of the wind power generation apparatus per power generation capacity can be reduced. Moreover, since a support | pillar can be made high, a wind power generator can be installed in a high location. In addition, since a plurality of wind turbine generators can be installed, the cost per wind turbine generator can be reduced. Further, since the tension material wired in the support also serves as a lightning rod, it is possible to prevent the wind power generator from being damaged during a lightning strike.

以下、本願発明の風力発電装置の実施の形態について説明する。各実施の形態において同じ構成は同じ符号を付して説明し、異なった構成にのみ異なった符号を付して説明する。   Hereinafter, embodiments of the wind power generator of the present invention will be described. In each embodiment, the same components are described with the same reference numerals, and only different components are described with different reference numerals.

図１〜図４は第１の実施の形態の風力発電装置１である。この風力発電装置１は、地盤２に設置された基礎板３の上面にプレキャストコンクリートブロック（以下ＰＣブロックという）４からなる支柱５が立設され、この支柱５に複数の風力発電機６が設置されて構成されている。基礎板３は適宜厚さのコンクリートプレートであり、ここから引張材７が地盤アンカー８に打設されて所定の力で緊張されることにより、基礎板３を地盤２に強固に固定している。   1-4 is the wind power generator 1 of 1st Embodiment. In this wind power generator 1, a support column 5 made of a precast concrete block (hereinafter referred to as a PC block) 4 is erected on the upper surface of a foundation plate 3 installed on the ground 2, and a plurality of wind power generators 6 are installed on the support column 5. Has been configured. The base plate 3 is a concrete plate having an appropriate thickness, and the base plate 3 is firmly fixed to the ground 2 by the tensile material 7 being placed on the ground anchor 8 and being tensioned with a predetermined force. .

一方、支柱５は、図２に示すように、複数のＰＣブロック４が積み重ねられて、上部に向かって漸次小径に形成されている。そして、これらのＰＣブロック４の長さ方向にＰＣ鋼より線やＰＣ鋼棒などからなる緊張材１１が配線され、この緊張材１１の下端部が基礎板３に設置され、かつその上端部が所定の力で緊張されて支柱頂部に定着されることにより、支柱全長にプレストレスが付与されている。また緊張材１１の上部が支柱５の頂部から僅かに突出して避雷針を兼用し、緊張材１１の下端部と地盤アンカー８とが連結線２７で接続されている。したがって、風力発電装置１に落雷があった場合には、これが避雷針を兼ねた緊張材１１によって地盤に流れるようになっている。また支柱５内には電線を配線した配線管５ａが設置されている。なお、上記の緊張材１１による緊張はプレテンションまたはポストテンションであっても良い。   On the other hand, as shown in FIG. 2, the support column 5 is formed with a plurality of PC blocks 4 stacked and gradually having a smaller diameter toward the top. And the tension material 11 which consists of a PC steel wire, a PC steel rod, etc. is wired in the length direction of these PC blocks 4, the lower end part of this tension material 11 is installed in the baseplate 3, and the upper end part is Prestress is applied to the entire length of the support by being tensioned with a predetermined force and being fixed to the top of the support. Further, the upper portion of the tendon 11 slightly protrudes from the top of the support column 5 and serves as a lightning rod, and the lower end of the tendon 11 and the ground anchor 8 are connected by a connecting line 27. Therefore, when there is a lightning strike in the wind power generator 1, it flows through the ground by the tension material 11 that also serves as a lightning rod. In addition, a wiring pipe 5 a in which an electric wire is wired is installed in the support column 5. Note that the tension by the tension material 11 may be pre-tension or post-tension.

このＰＣブロック４は適宜厚さの円筒体であり、図３の（１）に示すように上端部の係合突起９が、上側のＰＣブロック４の係合凹部１０に嵌合され、下端部の係合凹部１０に下側のＰＣブロック４の係合突起９が嵌合されて上下に積み重ねられている。   The PC block 4 is a cylindrical body having an appropriate thickness. As shown in FIG. 3 (1), the engaging projection 9 at the upper end is fitted into the engaging recess 10 of the upper PC block 4, and the lower end. The engaging protrusions 9 of the lower PC block 4 are fitted into the engaging recesses 10 and stacked vertically.

またＰＣ鋼より線１２は、図３の（３）に示すように、合成樹脂被覆層２８で被覆された芯線２９の周囲に、合成樹脂被覆層２８で被覆された複数の側線３０がより合わされたものであり、これらの芯線２９と側線３０とが合成樹脂外筒層３１で被覆されている。   Further, as shown in FIG. 3 (3), the PC steel stranded wire 12 has a plurality of side wires 30 covered with the synthetic resin coating layer 28 fitted around the core wire 29 covered with the synthetic resin coating layer 28. These core wires 29 and side wires 30 are covered with a synthetic resin outer cylinder layer 31.

このようにＰＣブロック４を適宜積み重ねることによって任意の高さの支柱５を組立形成することができるので、現場における簡単な組立作業で大きな支柱５を立設することができる。またＰＣブロック４は運搬も容易なので、立地条件に恵まれない現場にも搬入可能で、かつ組立も簡単にできる。なお、このＰＣブロック４は円筒形に限らず、平面角形の筒体であってもよい。   As described above, the pillars 5 having an arbitrary height can be assembled and formed by appropriately stacking the PC blocks 4, so that the large pillars 5 can be erected by simple assembling work at the site. Moreover, since the PC block 4 can be easily transported, it can be carried into a site where the location conditions are not favorable, and can be easily assembled. The PC block 4 is not limited to a cylindrical shape, and may be a planar rectangular cylinder.

また支柱５の頂部および中途部には風力発電機６が設置されている。この風力発電機６はナセル１３と、該ナセル１３に設置されたローターヘッド１４と、このロータヘッド１４に設置されたブレード１５とから構成されている。そして、この風力発電機６は風の向きを捉える方向に回転できるようになっている。   A wind power generator 6 is installed at the top and midway of the column 5. The wind power generator 6 includes a nacelle 13, a rotor head 14 installed on the nacelle 13, and a blade 15 installed on the rotor head 14. And this wind power generator 6 can rotate in the direction which catches the direction of a wind.

また中途部の風力発電機６は嵌合溝１６に設置された回転リング１７に取り付けられ、この回転リング１７が嵌合溝１６との間に設置されたベアリング１８によって回転自在になっている。したがって、この中途部の風力発電機６も風の向きを捉える方向に回転できるようになっている。このように支柱５の頂部だけではなく、支柱５の中途部にも風力発電機６が設置されている。なお、上記の風力発電機６は支柱５の頂部にのみ設置することもできる。   The wind power generator 6 in the middle part is attached to a rotating ring 17 installed in the fitting groove 16, and the rotating ring 17 is rotatable by a bearing 18 installed between the fitting groove 16. Therefore, the wind power generator 6 in the middle part can also be rotated in a direction to capture the direction of the wind. Thus, the wind power generator 6 is installed not only at the top of the support column 5 but also in the middle of the support column 5. Note that the wind power generator 6 may be installed only on the top of the column 5.

また、図５は第２の実施の形態の風力発電装置１９である。この風力発電装置１９は、支柱５にソーラーパネル２０を設置した風力発電と太陽光発電との合体であり、これ以外は上記の第１の実施の形態の風力発電装置１と同じ構成である。   FIG. 5 shows a wind power generator 19 according to the second embodiment. This wind power generation device 19 is a combination of wind power generation and solar power generation in which a solar panel 20 is installed on the support column 5, and the other configuration is the same as that of the wind power generation device 1 of the first embodiment.

このソーラーパネル２０は、どの位置からでも太陽光を集めることができるように支柱５の外周面に設置されている。このように風力発電と太陽光発電との合体により効率的な発電ができるので風力発電装置１９の一基当たりのコストの低減を図ることができる。   The solar panel 20 is installed on the outer peripheral surface of the support column 5 so that sunlight can be collected from any position. Thus, efficient power generation can be performed by combining wind power generation and solar power generation, so that the cost per wind power generation device 19 can be reduced.

また図６および図７は第３の実施の形態の風力発電装置２１である。この風力発電装置２１は支柱２２が、半割のコンクリートユニット２４を合体させたＰＣブロック２３で構成されたものであり、これ以外は第１の実施の形態の風力発電装置１と同じ構成である。   6 and 7 show the wind power generator 21 of the third embodiment. This wind power generator 21 is composed of a PC block 23 in which struts 22 are combined with a halved concrete unit 24. Other than this, the structure is the same as that of the wind power generator 1 of the first embodiment. .

このコンクリートユニット２４は、両端に接合用鍔片２５が形成され、かつ上下に補強片３２を設けた平面半円形のものであり、このコンクリートユニット２４を合体させて接合用鍔片２５をボルト２６で接着することにより筒形が形成される。   The concrete unit 24 is a flat semi-circular shape in which joining pieces 25 are formed at both ends and reinforcing pieces 32 are provided on the upper and lower sides. The concrete unit 24 is joined to attach the joining pieces 25 to the bolts 26. A cylindrical shape is formed by gluing together.

そして、これを上下に積み重ねて長さ方向に配線された緊張材１１を所定の力で緊張すると、図６に示すように、上部に向かって漸次小径な支柱２２が形成される。この支柱は接合用鍔片２５によって強度が大きくなるので肉厚を薄くすることができる。   And if this is piled up and down and the tension material 11 wired in the length direction is tensioned with a predetermined force, as shown in FIG. 6, a column 22 having a gradually smaller diameter is formed toward the upper part. Since the strength of the support column is increased by the joining flange 25, the thickness can be reduced.

一方、風力発電機６も上記と同じように支柱２２の頂部に設置される他、図８に示すように、回転リング１７によって支柱２２の中途部にも取り付けられる。   On the other hand, the wind power generator 6 is also installed at the top of the support 22 in the same manner as described above, and is also attached to the middle part of the support 22 by the rotating ring 17 as shown in FIG.

第１の実施の形態の風力発電装置の正面図である。It is a front view of the wind power generator of a 1st embodiment. 基礎板と支柱の断面図である。It is sectional drawing of a base plate and a support | pillar. （１）は支柱の要部の断面図、（２）は（１）のＡ−Ａ線断面図、（３）は緊張材の断面図である。(1) is sectional drawing of the principal part of a support | pillar, (2) is AA sectional view taken on the line of (1), (3) is sectional drawing of a tendon. （１）は嵌合溝に設置された回転リングの水平方向の断面図、（２）は回転リングの縦方向の断面図である。(1) is a horizontal sectional view of the rotating ring installed in the fitting groove, and (2) is a vertical sectional view of the rotating ring. 第２の実施の形態の風力発電装置であり、（１）は正面図、（２）は（１）のＢ−Ｂ線断面図である。It is a wind power generator of a 2nd embodiment, (1) is a front view, and (2) is a BB line sectional view of (1). 第３の実施の形態の風力発電装置の正面図である。It is a front view of the wind power generator of a 3rd embodiment. （１）は支柱の要部の断面図、（２）は（１）のＣ−Ｃ線断面図である。(1) is sectional drawing of the principal part of a support | pillar, (2) is CC sectional view taken on the line of (1). （１）は嵌合溝に設置された回転リングの水平方向の断面図、（２）は回転リングの縦方向の断面図である。(1) is a horizontal sectional view of the rotating ring installed in the fitting groove, and (2) is a vertical sectional view of the rotating ring. 従来の風力発電装置の断面図である。It is sectional drawing of the conventional wind power generator.

符号の説明Explanation of symbols

１、１９、２１ 風力発電装置
２ 地盤
３ 基礎板
４ ＰＣブロック
５、３３ 支柱
５ａ 配線管
６ 風力発電機
７ 引張材
８ 地盤アンカー
９ 係合突起
１０ 係合凹部
１１ 緊張材
１２ ＰＣ鋼より線
１３、３４ ナセル
１４、３５ ロータヘッド
１５、３６ ブレード
１６ 嵌合溝
１７ 回転リング
１８ ベアリング
２０ ソーラーパネル
２１ 支柱
２３ ＰＣブロック
２４ コンクリートユニット
２５ 接合用鍔片
２６ ボルト
２８ 合成樹脂被膜層
２９ 芯線
３０ 側線
３１ 合成樹脂外筒層 DESCRIPTION OF SYMBOLS 1, 19, 21 Wind power generator 2 Ground 3 Foundation board 4 PC block 5, 33 Post 5a Wiring pipe 6 Wind generator 7 Tensile material 8 Ground anchor 9 Engagement protrusion 10 Engaging recess 11 Tension material 12 PC steel strand 13 , 34 Nacelle 14, 35 Rotor head 15, 36 Blade 16 Fitting groove 17 Rotating ring 18 Bearing 20 Solar panel 21 Prop 23 PC block 24 Concrete unit 25 Joint piece 26 Bolt 28 Synthetic coating layer 29 Core wire 30 Side wire 31 Composite Resin outer cylinder layer

Claims (5)

地盤に設置された基礎板の上に筒形のプレキャストコンクリートブロックを複数積み重ねた支柱が立設され、これらのプレキャストコンクリートブロックがそれに配線された緊張材で所定のプレストレスを付与されて接合され、前記の支柱にはナセルと、ロータヘッドと、該ロータヘッドに取り付けられたブレードとからなる風力発電機が設置されたことを特徴とする風力発電装置。   A column of a plurality of cylindrical precast concrete blocks stacked on a foundation plate installed on the ground is erected, and these precast concrete blocks are joined by applying a predetermined prestress with a tension material wired to them, A wind power generator comprising a nacelle, a rotor head, and a blade attached to the rotor head is installed on the support column. プレキャストコンクリートブロックは半割のコンクリートユニットが合わさって構成されたことを特徴とする請求項１に記載の風力発電装置。   The wind power generator according to claim 1, wherein the precast concrete block is configured by combining half of the concrete units. 風力発電機は支柱の頂部および支柱の中途部に設置されたことを特徴とする請求項１または２に記載の風力発電装置。   The wind power generator according to claim 1 or 2, wherein the wind power generator is installed at the top of the support column and in the middle of the support column. 支柱にはソラーパネルが設置されたことを特徴とする請求項１〜３のいずれかに記載の風力発電装置。   The wind turbine generator according to any one of claims 1 to 3, wherein a solar panel is installed on the support column. 支柱内に配線した緊張材が避雷針を兼ねることを特徴とする請求項１〜４のいずれかに記載の風力発電装置。   The wind power generator according to any one of claims 1 to 4, wherein the tension material wired in the support also serves as a lightning rod.
JP2007182216A 2007-07-11 2007-07-11 Wind-power generator apparatus Pending JP2009019550A (en)

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CN104879413A (en) * 2015-05-26 2015-09-02 温州市张衡科技服务有限公司 Threaded valve manganese alloy spring island sea breeze power generation system
CN104864028A (en) * 2015-05-26 2015-08-26 温州市张衡科技服务有限公司 Flanged valve chromium alloy union spring sea wind power generation platform
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KR20190098500A (en) * 2018-02-14 2019-08-22 두산중공업 주식회사 Multi type wind turbine
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CN111910671A (en) * 2020-07-20 2020-11-10 国网浙江省电力有限公司丽水供电公司 Prestressed anchor rod combined excavation composite foundation and construction method thereof

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