JP2006104969A - Wind power generation device - Google Patents

Wind power generation device Download PDF

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Publication number
JP2006104969A
JP2006104969A JP2004289891A JP2004289891A JP2006104969A JP 2006104969 A JP2006104969 A JP 2006104969A JP 2004289891 A JP2004289891 A JP 2004289891A JP 2004289891 A JP2004289891 A JP 2004289891A JP 2006104969 A JP2006104969 A JP 2006104969A
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Japan
Prior art keywords
power generation
generation unit
base
main tower
slip ring
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Pending
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JP2004289891A
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Japanese (ja)
Inventor
Shiro Yasuyoshi
志朗 安吉
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Yutaka Manufacturing Co Ltd
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Yutaka Manufacturing Co Ltd
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Priority to JP2004289891A priority Critical patent/JP2006104969A/en
Publication of JP2006104969A publication Critical patent/JP2006104969A/en
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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

Abstract

<P>PROBLEM TO BE SOLVED: To prevent the occurrence of any obstacle, even if a power generation unit rotates many times in the same direction by the wind direction. <P>SOLUTION: A revolving shaft 32 having a slip ring 33 is arranged on a revolving base 3 attached with the power generation unit 2. A brush 41 contacting with this slip ring 33 is arranged on a fixed base 4 of a main tower 1 top part for supporting this revolving base 3. The slip ring 33 is connected to the power generation unit 2, and the brush 41 is connected to main tower side fixed wiring 42. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

本発明は、発電ユニットが風向に応じて無制限に回転できるようにした風力発電装置に関する。   The present invention relates to a wind power generator that allows an electric power generation unit to rotate indefinitely according to the wind direction.

自然現象である風力を有効利用し、無公害で電気エネルギーを得ることのできる風力発電が注目されている。   Wind power generation that can effectively use wind power, which is a natural phenomenon, and can obtain electrical energy without pollution has been attracting attention.

風力発電は、年間を通じて比較的風の強い立地を選び、高さ数十メートルの主塔を建て、その頂部に羽根、発電機、充電器塔を組み合わせたもの（以下「発電ユニット」という）を取り付け、風力で発電した電力をケーブルを介して地上で取り出すシステムである。   For wind power generation, a relatively windy location is selected throughout the year, a main tower with a height of several tens of meters is built, and a combination of blades, a generator, and a charger tower on the top (hereinafter referred to as a “power generation unit”) It is a system that attaches and generates electric power generated by wind power on the ground via a cable.

取り出す電力は直流、交流、低圧、高圧など任意であるが、例えば1400Ｖの高圧３相交流、あるいは3000Ｖの直流などである。   The electric power to be taken out is arbitrary such as direct current, alternating current, low pressure, high pressure, etc., but is, for example, 1400V high voltage three-phase alternating current or 3000V direct current.

風力発電装置の一例を図３、図４により説明する。図３は風力発電装置の正面図、図４は同じく側面図で、１は主塔、11はその基部に設けられた保守・点検用のマンホール、12は主塔１の内部に設けられ、頂部に達する梯子、２は発電ユニットで21は風力により回転する羽根、23は増速機構等を介して羽根21に連結された発電機、３は主塔１の頂部に設けられる旋回台である。   An example of a wind power generator will be described with reference to FIGS. 3 is a front view of the wind power generator, FIG. 4 is also a side view, 1 is a main tower, 11 is a maintenance / inspection manhole provided at the base, 12 is provided inside the main tower 1, and the top 2 is a power generation unit, 21 is a blade rotated by wind power, 23 is a generator connected to the blade 21 via a speed increasing mechanism or the like, and 3 is a swivel provided at the top of the main tower 1.

主塔１は高さ数十メートルのものなので、製作、建設の便を図って20メートル程度に分割し、現地でこれを組み立てる。羽根21は例えば直径50メートル程度の巨大なものである。発電効率を向上させるため一般に増速機構等により羽根の回転を増速して発電機を回転させ、必要に応じて発生した電力を一時貯蔵する充電器や電圧調整機構等の機器を発電ユニット内に配置する。   The main tower 1 is several tens of meters high, so it will be divided into 20 meters for assembly and construction, and assembled on site. The blade 21 is a huge one having a diameter of about 50 meters, for example. In order to improve the power generation efficiency, in general, devices such as chargers and voltage adjustment mechanisms that temporarily store the generated electric power inside the power generation unit are rotated by increasing the rotation of the blades with a speed increasing mechanism. To place.

ところで、風は常に一定の方向から吹いてくる訳ではないから、発電ユニットは風向に合わせて適宜旋回できるよう、旋回台３を介して主塔１に取り付けられるのが普通である。しかし同一方向に何回も旋回してしまうと電力を取り出すケーブルがよじれて破損等のおそれがあるので、１回転以上旋回しないようストッパを設け、場合によっては常に元の向きに戻るよう復元機構を設けるなどの対策が必要であった。   By the way, since the wind does not always blow from a certain direction, the power generation unit is usually attached to the main tower 1 via the swivel 3 so that the power generation unit can be swirled appropriately according to the wind direction. However, if the cable is swung many times in the same direction, the cable for taking out the power may be kinked and damaged, so a stopper is provided so that the cable does not turn more than one turn. Measures such as setting were necessary.

本発明は、発電ユニットがどの方向を向いていても支障なく電力を取り出すことができ、かつ同一方向に何回回転しても何ら障害が起こらないようにした風力発電装置を実現することを目的とする。   It is an object of the present invention to realize a wind turbine generator that can take out electric power without any problem regardless of the direction in which the power generation unit faces and does not cause any trouble no matter how many times it rotates in the same direction. And

本発明は、主塔の頂部に設けた固定台と、この固定台に対して垂直軸回りに旋回可能な旋回台を有し、発電ユニットをこの旋回台に取り付けてなる風力発電装置において、前記固定台と、旋回台とのいずれか一方に表面にスリップリングを備える旋回軸、他方にこのスリップリングに接触するブラシを設け、これらスリップリング、ブラシを発電ユニット側配線および主塔側の固定配線にそれぞれ接続し、発電ユニットの旋回位置にかかわりなく発電ユニットと主塔側の固定配線とが電気的に導通されるようにしたことを特徴とする風力発電装置である。   The present invention relates to a wind turbine generator having a fixed base provided at the top of a main tower and a swivel turnable about a vertical axis with respect to the fixed stand, and a power generation unit attached to the turntable. One of the fixed base and the swivel base is provided with a swivel shaft having a slip ring on the surface, and the other is provided with a brush contacting the slip ring. The slip ring and brush are connected to the power generation unit side wiring and the main tower side fixed wiring. The wind turbine generator is characterized in that the generator unit and the fixed wiring on the main tower side are electrically connected to each other regardless of the turning position of the generator unit.

本発明によれば、発電ユニットの向きにかかわりなく電力を正常に取り出すことができ、かつ発電ユニットが何回転旋回してもかまわないので復元機構が不要であるばかりでなく、常に風向に合わせ最も効率のよい向きで発電できるから発電効率も向上するという、すぐれた効果を奏する。   According to the present invention, the power can be normally taken out regardless of the direction of the power generation unit, and the power generation unit can be rotated any number of times, so that the restoration mechanism is not necessary, and the most suitable for the wind direction. Since it can generate power in an efficient direction, it has the excellent effect of improving power generation efficiency.

本発明の風力発電装置の要部を図面により説明する。図１は実施例の固定台、旋回台付近を示す一部断面正面図、図２は同じく一部断面側面図で、21は羽根、22は増速機構、24は発電ユニット側配線、３は旋回台、31は旋回の軸受、32は旋回台から垂直方向に取り付けられた旋回軸、33はこの旋回軸32の表面の絶縁材に埋め込まれたスリップリング、４は旋回台３を支持する固定台、41は固定台４から前記のスリップリング33に向けて取り付けられたブラシ、42は主塔側の固定配線である。この配線を主塔１の製造段階で主塔１に固定する場合は、主塔１の分割位置に合わせてコネクタを挿入し、配線も分割しておくことが望ましい。   The principal part of the wind power generator of the present invention will be described with reference to the drawings. 1 is a partial cross-sectional front view showing the vicinity of the fixed base and swivel of the embodiment, FIG. 2 is also a partial cross-sectional side view, 21 is a blade, 22 is a speed increasing mechanism, 24 is a power generation unit side wiring, A swivel base, 31 is a swivel bearing, 32 is a swivel shaft mounted vertically from the swivel base, 33 is a slip ring embedded in an insulating material on the surface of the swivel shaft 32, and 4 is a fixed supporting the swivel base 3. A base 41 is a brush attached from the fixed base 4 toward the slip ring 33, and 42 is a fixed wiring on the main tower side. When fixing this wiring to the main tower 1 in the manufacturing stage of the main tower 1, it is desirable to insert a connector in accordance with the division position of the main tower 1 and to divide the wiring.

固定台４は主塔の頂部に設けられる。旋回台３は、この固定台４に対して垂直軸回りに旋回可能で、この実施例では軸受31で旋回台３から下方に向けて取り付けられた旋回軸32を回転支持している。発電ユニットは旋回台３に取り付けられる。   The fixed base 4 is provided at the top of the main tower. The swivel base 3 can swivel around a vertical axis with respect to the fixed base 4. In this embodiment, a swivel shaft 32 mounted downward from the swivel base 3 is supported by a bearing 31. The power generation unit is attached to the swivel base 3.

上記のように構成することにより、本発明において発電ユニットの向きにかかわりなく電力を正常に取り出すことができ、かつ発電ユニットが何回転旋回してもかまわないことはこれ以上説明を要しないであろう。なお、スリップリングとブラシによる電気回路の接続は巻き線形モータやロータリースイッチなどと同様のもので、スリップリングは銅系統の金属板、ブラシはカーボンなどが適当である。ブラシは消耗するから、点検により交換が必要である。   By configuring as described above, in the present invention, it is possible to normally take out electric power regardless of the direction of the power generation unit, and it is not necessary to explain further that the power generation unit can be swung several times. Let's go. In addition, the connection of the electric circuit by a slip ring and a brush is the same as that of a winding linear motor, a rotary switch, etc., a copper metal plate is suitable for a slip ring and carbon is suitable for a brush. Since the brush wears out, it needs to be replaced by inspection.

また、この実施例ではスリップリング33を備える旋回軸32を旋回台３に取り付け、ブラシ41は固定台４に設けているが、これらを逆にしてスリップリング33を固定台４に取り付け、ブラシ41を旋回台３に設けるようにしてもかまわない。   In this embodiment, the swivel shaft 32 provided with the slip ring 33 is attached to the swivel base 3 and the brush 41 is provided on the fixed base 4. May be provided on the swivel 3.

本発明実施例の要部を示す一部断面正面図である。It is a partial cross section front view which shows the principal part of this invention Example. 本発明実施例の要部を示す一部断面側面図である。It is a partial cross section side view which shows the principal part of this invention Example. 本発明に係わる風力発電装置の正面図である。It is a front view of the wind power generator concerning the present invention. 本発明に係わる風力発電装置の側面図である。It is a side view of the wind power generator concerning the present invention.

符号の説明Explanation of symbols

１ 主塔
２ 発電ユニット
３ 旋回台
４ 固定台
11 マンホール
12 梯子
21 羽根
22 増速機構
23 発電機
24 発電ユニット側配線
31 軸受
32 旋回軸
33 スリップリング
41 ブラシ
42 （主塔側の）固定配線 1 Main tower 2 Power generation unit 3 Swivel base 4 Fixed base
11 Manhole
12 Ladder
21 feathers
22 Speed increasing mechanism
23 Generator
24 Power generation unit side wiring
31 Bearing
32 Rotating axis
33 slip ring
41 brush
42 Fixed wiring (on main tower side)

Claims (1)

主塔（１）の頂部に設けた固定台（４）と、この固定台（４）に対して垂直軸回りに旋回可能な旋回台（３）を有し、発電ユニット（２）をこの旋回台（３）に取り付けてなる風力発電装置において、前記固定台（４）と、旋回台（３）とのいずれか一方に表面にスリップリング（33）を備える旋回軸（32）、他方にこのスリップリング（33）に接触するブラシ（41）を設け、これらスリップリング（33）、ブラシ（41）を発電ユニット側配線（24）および主塔側の固定配線（42）にそれぞれ接続し、発電ユニット（２）の旋回位置にかかわりなく発電ユニット（２）と主塔側の固定配線（42）とが電気的に導通されるようにしたことを特徴とする風力発電装置。   It has a fixed base (4) provided at the top of the main tower (1), and a swivel base (3) that can be turned around a vertical axis with respect to the fixed base (4). In the wind turbine generator attached to the base (3), the rotating shaft (32) having a slip ring (33) on the surface of either the fixed base (4) or the swivel base (3), and the other A brush (41) in contact with the slip ring (33) is provided, and the slip ring (33) and brush (41) are connected to the power generation unit side wiring (24) and the main tower side fixed wiring (42), respectively. A wind power generator characterized in that the power generation unit (2) and the fixed wiring (42) on the main tower side are electrically connected regardless of the turning position of the unit (2).
JP2004289891A 2004-10-01 2004-10-01 Wind power generation device Pending JP2006104969A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8593010B2 (en) 2009-01-13 2013-11-26 Vestas Wind Systems A/S Wind turbine
KR101346173B1 (en) 2012-02-07 2013-12-31 삼성중공업 주식회사 Windmill
KR101422756B1 (en) 2012-11-09 2014-07-24 삼성중공업 주식회사 Yaw system structure of wind power generator with a free cable rotation
JP2015516521A (en) * 2012-03-22 2015-06-11 ローゲル マシーネンバウ ゲーエムベーハーＬｏｇａｅｒ Ｍａｓｃｈｉｎｅｎｂａｕ Ｇｍｂｈ Elevating lock system for elevating ladder
JP6241581B1 (en) * 2017-03-03 2017-12-06 中国電力株式会社 Wind power generator

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8593010B2 (en) 2009-01-13 2013-11-26 Vestas Wind Systems A/S Wind turbine
KR101346173B1 (en) 2012-02-07 2013-12-31 삼성중공업 주식회사 Windmill
JP2015516521A (en) * 2012-03-22 2015-06-11 ローゲル マシーネンバウ ゲーエムベーハーＬｏｇａｅｒ Ｍａｓｃｈｉｎｅｎｂａｕ Ｇｍｂｈ Elevating lock system for elevating ladder
KR101758443B1 (en) * 2012-03-22 2017-07-14 로게르 마시넨바우 게엠베하 Climbing locking system for vertical ladders
US9802068B2 (en) 2012-03-22 2017-10-31 Wobben Properties Gmbh Climbing locking system for vertical ladders
KR101422756B1 (en) 2012-11-09 2014-07-24 삼성중공업 주식회사 Yaw system structure of wind power generator with a free cable rotation
JP6241581B1 (en) * 2017-03-03 2017-12-06 中国電力株式会社 Wind power generator
WO2018158961A1 (en) * 2017-03-03 2018-09-07 中国電力株式会社 Wind power generation apparatus

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