JPS635178A - Generator by wind power - Google Patents
Generator by wind powerInfo
- Publication number
- JPS635178A JPS635178A JP61148123A JP14812386A JPS635178A JP S635178 A JPS635178 A JP S635178A JP 61148123 A JP61148123 A JP 61148123A JP 14812386 A JP14812386 A JP 14812386A JP S635178 A JPS635178 A JP S635178A
- Authority
- JP
- Japan
- Prior art keywords
- nacelle
- generator
- wind power
- rotor
- generation device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- Wind Motors (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
〔発明の技術分野〕
本発明は風車（ロータ）を利用して発電機を駆動する風
力発電装置に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Technical Field of the Invention] The present invention relates to a wind power generation device that uses a windmill (rotor) to drive a generator.
風力発電装置は、垂直に立設した支柱の上端にナセルを
ヨーイング自在に支持し、このナセルに風力で回転する
ロータを固定した回転軸を支持し、その回転力を発電機
に伝達するような構成になっている。しかし、風力で回
転するロータは、そのままでは回転数が不足するため、
−般に回転軸と発電機との間には増速用の変速歯車群が
設けられている。A wind power generator is a system in which a nacelle is supported at the upper end of a vertically erected column so as to be able to yaw freely, a rotating shaft to which a rotor that rotates by wind power is fixed is supported on the nacelle, and the rotational force is transmitted to a generator. It is configured. However, the rotor, which is rotated by wind, does not have enough rotation speed as it is, so
- Generally, a group of gears for increasing speed is provided between the rotating shaft and the generator.
ところが、この変速歯車群は周知のように歯車の噛み合
いにより騒音を発生ずるため、これが支柱上端の高い場
所に設置されていると、周辺に拡がりやすいという問題
がある。However, as is well known, this transmission gear group generates noise due to the meshing of the gears, and if this noise is installed at a high place on the top of the support, there is a problem that it tends to spread to the surrounding area.
本発明の目的は、変速歯車群が発生する騒音が外側に漏
れず、静かな運転をすることができる風力発電装置を提
供することにある。An object of the present invention is to provide a wind power generation device that can operate quietly without leaking noise generated by a group of transmission gears to the outside.
Ｃ発明の構成〕
上記目的を達成する本発明は、垂直に立設した支柱の上
端にナセルをヨーイング自在に支持し、このナセルに回
転自在に支持した回転軸のナセル外側に突出する軸端に
ロータを取り付け、ナセル内側に位置する軸端に変速歯
車群を連結して前記ロータの回転を発電機に伝達する風
力発電装置において、前記ナセルの外周を防音材で覆っ
たことを特徴とするものである。C Structure of the Invention] The present invention that achieves the above object includes a nacelle that is supported at the upper end of a vertically erected column so as to be able to freely yaw, and a shaft end of a rotating shaft that is rotatably supported by the nacelle that protrudes outside the nacelle. A wind power generation device in which a rotor is attached and a gear group is connected to a shaft end located inside the nacelle to transmit the rotation of the rotor to a generator, characterized in that the outer periphery of the nacelle is covered with a soundproofing material. It is.
第２図に示す風力発電装置において、１は垂直に立設さ
れた支柱で、複数の張り線２．−・−・・・・、２によ
って支持されている。支柱１の上端にはナセル３が左右
にヨーイング自在に支持されている。このナセル３には
回転軸４が回転自在に支持され、ナセル３の外側に突出
した回転軸４の軸端にはロータ５が取りつけられている
。In the wind power generation device shown in FIG. 2, reference numeral 1 denotes a vertically erected support, and a plurality of tension wires 2. −・−・・・ Supported by 2. A nacelle 3 is supported at the upper end of the strut 1 so as to be able to yaw left and right. A rotary shaft 4 is rotatably supported by the nacelle 3, and a rotor 5 is attached to the shaft end of the rotary shaft 4 that protrudes outside the nacelle 3.
ロータ５は風力によって回転し、回転中心のハブ６と、
このハブ６に対設した一対のブレード７．７から構成さ
れている。このロータ５はＷ方向の風に対しナセル３を
ヨーイングさせながら風下側へ移動し、かつロータ自身
の回転によって回転軸４を回転させながら、その回転を
支柱１上端のケース８内に設けた発電機９に伝達するよ
うになっている。The rotor 5 is rotated by wind power, and has a hub 6 at the center of rotation,
It consists of a pair of blades 7.7 arranged opposite to this hub 6. This rotor 5 moves to the leeward side while yawing the nacelle 3 against the wind in the W direction, and rotates the rotating shaft 4 by the rotation of the rotor itself. It is designed to be transmitted to machine 9.
第１図に示すように、ナセル３は回転中心にヨーイング
軸部１０を一体に固定し、そのヨーイング軸部１０を、
支柱１の最上端に固定された軸受部１１に回転自在に支
持されている。さらにこのヨーイング軸部１０の内側に
は、発電機、９に連結された伝動軸１８が回転自在に支
持されている。As shown in FIG. 1, the nacelle 3 has a yawing shaft 10 integrally fixed at the center of rotation, and the yawing shaft 10 is
It is rotatably supported by a bearing part 11 fixed to the uppermost end of the column 1. Further, inside the yawing shaft portion 10, a transmission shaft 18 connected to a generator 9 is rotatably supported.
ナセル３に支持された回転軸４は、ナセル内側に位置す
る軸端に歯車１３を固定し、この歯車１３は中間軸１５
の歯車１４に噛合している。A rotating shaft 4 supported by the nacelle 3 has a gear 13 fixed to the shaft end located inside the nacelle, and this gear 13 is attached to an intermediate shaft 15.
It meshes with the gear 14 of.
また、中間軸１５には傘歯車１６が固定され、この傘歯
車１６は上記伝動輪１８に固定した傘歯車１７に噛合し
ている。これら歯車１３．■４．１６．１７は、回転軸
４の回転を増速する変速歯車群を構成している。したが
って、ロータ５が風力によって回転して回転軸４が回転
すると、その回転力は歯車１３．１４、傘歯車１６．１
７によって増速並びに方向転換されて伝動軸１８へ伝達
され、伝動軸１８から発電機９に伝達されて発電を行う
。Further, a bevel gear 16 is fixed to the intermediate shaft 15, and this bevel gear 16 meshes with a bevel gear 17 fixed to the transmission wheel 18. These gears 13. (4) 4.16.17 constitute a gear change gear group that speeds up the rotation of the rotating shaft 4. Therefore, when the rotor 5 rotates due to the wind force and the rotating shaft 4 rotates, the rotational force is transferred to the gear 13.14 and the bevel gear 16.1.
7, the speed is increased and the direction is changed and transmitted to the transmission shaft 18, and from the transmission shaft 18 to the generator 9 to generate electricity.
上述したナセル３およびロータハブ６の外周はそれぞれ
カウリング２４．２５によって覆われている。このうち
ナセル３とカウリング２４との間には、ガラス繊維１允
泡スチロール等の防音材２６が介在させである。また、
発電機９は支柱１の上端に固定したケース８の内部に取
りつけられているが、このケース８と発電機９との間に
も上記同様の防音材２７が介在させである。The outer peripheries of the above-mentioned nacelle 3 and rotor hub 6 are covered by cowlings 24 and 25, respectively. Between the nacelle 3 and the cowling 24, a soundproofing material 26 such as glass fiber 1/4 styrene foam is interposed. Also,
The generator 9 is mounted inside a case 8 fixed to the upper end of the support column 1, and a soundproofing material 27 similar to the above is interposed between the case 8 and the generator 9.
上述した構成の風力発電装置によると、ナセル３の外側
が防音材２６により覆われているため、歯車１３，１４
，１６．１７等の変速歯車群から発生する騒音が遮音さ
れ、外側へ漏れることはない。また、実施例のように、
防音材をナセルとカウリングとの間に介在させることに
より、防音材の損傷をなくし、より効果的な防音を施す
ことができる。また、変速歯車群からの騒音はどではな
いが発電機９からも騒音が発生するが、この発電機９の
外側も防音材２７によって覆われているため騒音が外側
へ漏れることがない。According to the wind power generation device configured as described above, since the outside of the nacelle 3 is covered with the soundproofing material 26, the gears 13, 14
, 16, 17, etc., is insulated and does not leak to the outside. Also, as in the example,
By interposing the soundproofing material between the nacelle and the cowling, damage to the soundproofing material can be eliminated and more effective soundproofing can be achieved. In addition to the noise from the transmission gear group, noise is also generated from the generator 9, but since the outside of the generator 9 is also covered with the soundproofing material 27, the noise does not leak to the outside.
したがって、本発明の風力発電装置では静粛な運転を行
うことができる。Therefore, the wind power generator of the present invention can operate quietly.
上述したように本発明の風力発電装置は、変速歯車群を
内蔵するナセルの外周を防音材で覆う構造にしたので、
変速歯車群が発生する騒音が遮音されて外側へ漏れるこ
とがない。そのため、静粛な運転をすることができる。As described above, the wind power generation device of the present invention has a structure in which the outer periphery of the nacelle containing the transmission gear group is covered with a soundproof material.
The noise generated by the transmission gear group is insulated and does not leak outside. Therefore, quiet operation can be achieved.
【図面の簡単な説明】
第１図は本発明の実施例、による風力発電装置の要部を
一部断面にして示す拡大図、第２図は同風力発電装置の
側面図である。
ｌ・・・支柱、 ３・・・ナセル、 ４・・・回転軸、
５・・・０−夕、 ８・・・ケース、 ９・・・発電
機、１３．１４・・・歯車（変速歯車群）、 １６．１
７・・・傘歯車（変速歯車群）、 ２４・・・カウリン
グ、 ２６・・・防音材。BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an enlarged partially cross-sectional view of a main part of a wind power generation device according to an embodiment of the present invention, and FIG. 2 is a side view of the same wind power generation device. l... Strut, 3... Nacelle, 4... Rotating shaft,
5...0-evening, 8...case, 9...generator, 13.14...gear (speed gear group), 16.1
7... Bevel gear (speed change gear group), 24... Cowling, 26... Soundproofing material.
Claims (3)
自在に支持し、このナセルに回転自在に支持した回転軸
のナセル外側に突出する軸端にロータを取り付け、ナセ
ル内側に位置する軸端に変速歯車群を連結して前記ロー
タの回転を発電機に伝達する風力発電装置において、前
記ナセルの外周を防音材で覆ったことを特徴とする風力
発電装置。(1) A nacelle is supported on the upper end of a vertically erected column so as to be able to freely yaw, and a rotor is attached to the shaft end of the rotating shaft rotatably supported by the nacelle, which protrudes outside the nacelle, and the shaft end is located inside the nacelle. What is claimed is: 1. A wind power generation device in which the rotation of the rotor is transmitted to a generator by connecting a gear group to a generator, characterized in that the outer periphery of the nacelle is covered with a soundproofing material.
グとナセルとの間に防音材を介在させた特許請求の範囲
第１項記載の風力発電装置。(2) The wind power generation device according to claim 1, wherein the outer periphery of the nacelle is covered with a cowling, and a soundproof material is interposed between the cowling and the nacelle.
この発電機とケースとの間に防音材を介在させた特許請
求の範囲第１項または第２項記載の風力発電装置。(3) Store the generator in a case fixed to the top of the support column,
The wind power generator according to claim 1 or 2, wherein a soundproofing material is interposed between the generator and the case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61148123A JPS635178A (en) | 1986-06-26 | 1986-06-26 | Generator by wind power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61148123A JPS635178A (en) | 1986-06-26 | 1986-06-26 | Generator by wind power |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS635178A true JPS635178A (en) | 1988-01-11 |
Family
ID=15445771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61148123A Pending JPS635178A (en) | 1986-06-26 | 1986-06-26 | Generator by wind power |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS635178A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009001669A1 (en) * | 2007-06-22 | 2008-12-31 | Mitsubishi Heavy Industries, Ltd. | Wind driven electric power generator and method of constructing wind driven electric power generator |
| CN102913398A (en) * | 2012-10-24 | 2013-02-06 | 株洲时代新材料科技股份有限公司 | Noise reduction system of wind generating set and wind generating set |
-
1986
- 1986-06-26 JP JP61148123A patent/JPS635178A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009001669A1 (en) * | 2007-06-22 | 2008-12-31 | Mitsubishi Heavy Industries, Ltd. | Wind driven electric power generator and method of constructing wind driven electric power generator |
| KR101023305B1 (en) | 2007-06-22 | 2011-03-18 | 미츠비시 쥬고교 가부시키가이샤 | Construction of wind turbines and wind turbines |
| AU2008268700B2 (en) * | 2007-06-22 | 2011-04-07 | Mitsubishi Heavy Industries, Ltd. | Wind turbine generator and method for constructing wind turbine generator |
| US8142155B2 (en) | 2007-06-22 | 2012-03-27 | Mitsubishi Heavy Industries, Ltd. | Wind turbine generator and method for constructing wind turbine generator |
| CN102913398A (en) * | 2012-10-24 | 2013-02-06 | 株洲时代新材料科技股份有限公司 | Noise reduction system of wind generating set and wind generating set |
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