JP2001020848A - Blade generating noise measuring device - Google Patents
Blade generating noise measuring deviceInfo
- Publication number
- JP2001020848A JP2001020848A JP11188501A JP18850199A JP2001020848A JP 2001020848 A JP2001020848 A JP 2001020848A JP 11188501 A JP11188501 A JP 11188501A JP 18850199 A JP18850199 A JP 18850199A JP 2001020848 A JP2001020848 A JP 2001020848A
- Authority
- JP
- Japan
- Prior art keywords
- rail
- microphone
- tower
- wing
- mounting jig
- 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.)
- Withdrawn
Links
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
- F03D17/00—Monitoring or testing of wind motors, e.g. diagnostics
-
- 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
- F05B2270/80—Devices generating input signals, e.g. transducers, sensors, cameras or strain gauges
- F05B2270/81—Microphones
-
- 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
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、風力発電システム
等における水平軸風車の翼発生音計測装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for measuring the sound generated by a blade of a horizontal axis wind turbine in a wind power generation system or the like.
【０００２】[0002]
【従来の技術】風車群が立ち並ぶウィンドファーム（風
力工場）も含めて風車の普及に伴い、騒音防止の研究が
重要となっている。2. Description of the Related Art With the widespread use of wind turbines, including wind farms (wind mills) in which a group of wind turbines are lined up, research on noise prevention has become important.
【０００３】風車の騒音は、一般に、翼（ブレード）
の流力騒音（風切り音）、ナセル（機器箱）の機械
音、タワーの振動放射雑音に大別され、その中に関
して翼の騒音発生部位と寄与度は明確になっていなかっ
た。[0003] The noise of a windmill is generally caused by blades.
The noise generation location and the contribution of the wing were not clearly categorized into the hydrodynamic noise (wind noise), the mechanical noise of the nacelle (instrument box), and the vibration radiation noise of the tower.
【０００４】[0004]
【発明が解決しようとする課題】ところで、複数のマイ
クロホンをアレイ（整列）構成すると、音源に対し指向
性を持たせられることが従来から知られている。そこ
で、複数のマイクロホンがアレイ構成されて取り付けら
れたマイクロホン取付治具等を風車の回転する翼の長手
（軸）方向に移動させることで、翼の騒音発生部位と寄
与度が明らかになることは自明である。また、この場
合、風車の翼は風向きによってタワーの周方向に位置を
変えるが、これに追従してマイクロホン取付治具も位置
を変えなければならない場合が生じることは言うまでも
ない。By the way, it is conventionally known that when a plurality of microphones are arranged (arranged), directivity can be given to a sound source. Therefore, by moving a microphone mounting jig or the like in which a plurality of microphones are arrayed and mounted in the longitudinal (axial) direction of the rotating wing of the windmill, it is possible to clarify the noise generation site and contribution degree of the wing. It is obvious. In this case, the position of the wing of the windmill changes in the circumferential direction of the tower depending on the wind direction, but it goes without saying that the position of the microphone mounting jig must be changed accordingly.
【０００５】本発明は、上述した実情に鑑みてなされた
もので、風車の翼の騒音発生部位と寄与度を明確にして
風車製品の品質向上が図れる翼発生音計測装置を提供す
ることを目的とする。SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned circumstances, and has as its object to provide a wing-generated sound measuring device capable of improving the quality of a wind turbine product by clarifying the noise generation site and contribution of the wing of the wind turbine. And
【０００６】[0006]
【課題を解決するための手段】斯かる目的を達成する本
発明の翼発生音計測装置は、水平軸風車において、アレ
イ構成された複数のマイクロホンをタワーの高さ方向に
移動可能に設けたことを特徴とする。According to the present invention, there is provided a wing-generated sound measuring apparatus in which a plurality of microphones arranged in an array are provided so as to be movable in a height direction of a tower in a horizontal axis wind turbine. It is characterized by.
【０００７】また、前記マイクロホンを取り付けたマイ
クロホン取付治具を、タワーの外周に嵌装されて高さ方
向へ移動可能なリング部材へ着脱自在に取り付けたこと
を特徴とする。The microphone mounting jig to which the microphone is mounted is detachably mounted on a ring member which is fitted on the outer periphery of the tower and is movable in the height direction.
【０００８】また、前記マイクロホンを取り付けたマイ
クロホン取付治具を、タワーの外周面の高さ方向に敷設
したレール上をレール昇降装置により走行可能に設けた
ことを特徴とする。[0008] A microphone mounting jig to which the microphone is mounted is provided so as to be able to run on a rail laid in the height direction of the outer peripheral surface of the tower by a rail lifting device.
【０００９】また、前記マイクロホンを取り付けたマイ
クロホン取付治具を、ナセル下部からタワーに沿って垂
下されたレール上をレール昇降装置により走行可能に設
けたことを特徴とする。[0009] A microphone mounting jig to which the microphone is mounted is provided so as to be able to travel on a rail suspended from a lower portion of the nacelle along a tower by a rail lifting device.
【００１０】また、前記マイクロホンを取り付けたマイ
クロホン取付治具を、ナセル直下のタワーの外周面に回
動自在に支持された回転レールから垂下したレール上を
レール昇降装置により走行可能に設け、前記回転レール
は風向計の出力信号をフィードバック信号としてコント
ローラにより制御される回転レール駆動装置により回転
駆動されることを特徴とする。A microphone mounting jig to which the microphone is mounted is provided by a rail elevating device on a rail suspended from a rotating rail rotatably supported on an outer peripheral surface of a tower directly below a nacelle by a rail elevating device. The rail is rotationally driven by a rotating rail driving device controlled by a controller using an output signal of the anemometer as a feedback signal.
【００１１】また、前記マイクロホンを取り付けたマイ
クロホン取付治具を、タワーの外周面にらせん状に敷設
したレール上をレール昇降装置により走行可能に設けた
ことを特徴とする。The microphone mounting jig to which the microphone is mounted is provided so as to be able to run on a rail spirally laid on the outer peripheral surface of the tower by a rail lifting device.
【００１２】[0012]
【発明の実施の形態】以下、本発明に係る翼発生音計測
装置を実施例により図面を用いて詳細に説明する。BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, a wing-generated sound measuring apparatus according to the present invention will be described in detail with reference to the accompanying drawings using embodiments.
【００１３】［第１実施例］ ［構成］図１は本発明の第１実施例を示す、翼発生音計
測装置が装着された水平軸風車の側面図である。[First Embodiment] [Configuration] FIG. 1 is a side view of a horizontal axis wind turbine equipped with a wing-generated sound measuring device, showing a first embodiment of the present invention.
【００１４】図示のように、鋼やコンクリート製のテー
パ筒状タワー１の上端部には、旋回（水平回転）自在に
ナセル（機器箱）２が取着され、このナセル２の前面部
に３枚の翼（ブレード）３ａを有するロータ３の水平駆
動軸３ｂが回転自在に支持されている。前記水平駆動軸
３ｂはナセル２内において増速機４を介して発電機５に
連結されている。As shown in the figure, a nacelle (equipment box) 2 is attached to the upper end of a tapered cylindrical tower 1 made of steel or concrete so as to be able to pivot (horizontally rotate). A horizontal drive shaft 3b of a rotor 3 having a plurality of blades (blades) 3a is rotatably supported. The horizontal drive shaft 3b is connected to a generator 5 via a gearbox 4 in the nacelle 2.
【００１５】そして、本実施例では、ナセル２直下のタ
ワー１の外周面に板ゴム１０を介してバンド１１がボル
ト等で締着される。このバンド１１の外周面には周方向
に所定間隔離間して複数のプーリ１２が取着されてい
る。In this embodiment, a band 11 is fastened to the outer peripheral surface of the tower 1 immediately below the nacelle 2 with a bolt or the like via a rubber plate 10. A plurality of pulleys 12 are attached to the outer peripheral surface of the band 11 at predetermined intervals in the circumferential direction.
【００１６】前記バンド１１下方のタワー１外周には、
２連リング１３が上下方向へ移動可能に嵌装される。こ
の２連リング１３の上リング部材１３ａには周方向に所
定間隔離間した箇所にロープ１４の一端が連結され、該
ロープ１４の他端側は前記バンド１１の各々対応したプ
ーリ１２に掛け回された後地上に設置した各ウインチ１
５に連結されている。２連リング１３の下リング部材１
３ｂからは、複数本の案内ロープ１６が垂れ下げられて
いる。On the outer periphery of the tower 1 below the band 11,
The double ring 13 is fitted so as to be movable in the vertical direction. One end of a rope 14 is connected to the upper ring member 13a of the double ring 13 at a position separated by a predetermined distance in the circumferential direction, and the other end of the rope 14 is wound around the corresponding pulley 12 of the band 11. After each winch installed on the ground 1
5. Lower ring member 1 of double ring 13
A plurality of guide ropes 16 hang down from 3b.
【００１７】前記２連リング１３には、上，下リング部
材１３ａ，１３ｂに跨がって、枠状のマイクロホン取付
治具１７が着脱自在に取り付けられる。このマイクロホ
ン取付治具１７には、複数個（図示例では、縦４個配
列、横３個配列の計６個）のマイクロホン１８がアレイ
構成されて取着されている。これら各マイクロホン１８
は地上側に配置された図示しない計測器へ増幅器を介し
て結線される。A frame-shaped microphone mounting jig 17 is detachably attached to the double ring 13 so as to straddle the upper and lower ring members 13a and 13b. The microphone mounting jig 17 has a plurality of microphones 18 (in the illustrated example, a total of six microphones arranged in four rows and three rows) arranged in an array. Each of these microphones 18
Is connected via an amplifier to a measuring instrument (not shown) arranged on the ground side.
【００１８】［作用・効果］このように構成されるた
め、翼発生音の計測にあたっては、先ず、タワー１外周
の下部に位置する２連リング１３に、ロータ３の位置
（即ち、風向き）に対応させてマイクロホン取付治具１
７を取り付ける。[Operation / Effect] Because of such a configuration, when measuring the wing-generated sound, first, the double ring 13 located at the lower part of the outer periphery of the tower 1 is attached to the position of the rotor 3 (that is, the wind direction). Microphone mounting jig 1
7 is attached.
【００１９】次に、ウインチ１５を作動させてロープ１
４を巻き取ると、２連リング１３がタワー１上を上昇
し、やがて回転しているロータ３の翼３ａ先端部まで到
達したら（鉛直状態で）ウインチ１５を停止させ、当該
位置で、アレイ構成された各マイクロホン１８により翼
発生音を計測する。尚、前記２連リング１３の上昇の際
は、作業者が地上から案内ロープ１６を引っ張ること
で、２連リング１３の揺れ等を防いでタワー１の外周面
との干渉等が回避される。Next, the winch 15 is operated to operate the rope 1.
When the reel 4 is taken up, the double ring 13 rises above the tower 1, and when it reaches the tip of the wing 3a of the rotating rotor 3, the winch 15 is stopped (in a vertical state). The wing-generated sound is measured by each of the microphones 18 thus obtained. When the double ring 13 is lifted, the worker pulls the guide rope 16 from the ground to prevent the double ring 13 from swaying and avoid interference with the outer peripheral surface of the tower 1.
【００２０】この後、２連リング１３をタワー１上を間
欠的に上昇させつつ、各停止位置でアレイ構成された各
マイクロホン１８により翼発生音を計測する。Thereafter, while the double ring 13 is intermittently raised above the tower 1, the sound generated by the wings is measured by the microphones 18 arranged in an array at each stop position.
【００２１】これにより、ロータ３の翼３ａにおいて先
端部から根元部に亙って多点計測が行なわれ、当該翼３
ａの騒音発生部位と寄与度が明確になる。As a result, multipoint measurement is performed on the blade 3a of the rotor 3 from the tip to the root, and the blade 3a is measured.
The noise generation part and the contribution degree of “a” become clear.
【００２２】この計測結果（基礎データ）に基づいて、
例えば寄与度の大きかった翼３ａ先端部の形状等を変え
て風車製品の品質向上（低騒音化）が図られる。Based on this measurement result (basic data),
For example, the quality of the wind turbine product can be improved (low noise) by changing the shape of the tip of the blade 3a, which has a large contribution.
【００２３】この計測途中で、風向きが変わりロータ３
（翼３ａ）の位置がずれたら、一旦２連リング１３を下
降させて、マイクロホン取付治具１７を２連リング１３
に対しロータ３（翼３ａ）の位置（向き）に対応した位
置に付け替えて再度元の位置まで上昇させれば良い。During the measurement, the wind direction changes and the rotor 3
If the position of the (wing 3a) is shifted, the double ring 13 is once lowered, and the microphone mounting jig 17 is moved to the double ring 13.
In contrast, it is only necessary to change the position to the position corresponding to the position (direction) of the rotor 3 (blade 3a) and raise the rotor 3 to the original position again.
【００２４】尚、上記実施例において、風向きが常に一
定の条件下であれば、２連リング１３にマイクロホン取
付治具１７を固定的に取り付けて、タワー１外周の同一
周方向位置で２連リング１３を昇降させれば良い。In the above embodiment, if the wind direction is always constant, the microphone mounting jig 17 is fixedly attached to the double ring 13 so that the double ring 13 is located at the same circumferential position on the outer circumference of the tower 1. 13 may be raised and lowered.
【００２５】［第２実施例］ ［構成］図２は本発明の第２実施例を示す、翼発生音計
測装置が装着された水平軸風車の側面図である。尚、図
２において、図１と同一部材には同一符号を付して重複
する説明は省略する。[Second Embodiment] [Configuration] FIG. 2 is a side view of a horizontal axis wind turbine equipped with a wing-generated sound measuring device according to a second embodiment of the present invention. In FIG. 2, the same members as those in FIG. 1 are denoted by the same reference numerals, and redundant description will be omitted.
【００２６】この実施例は、タワー１の外周面に上下方
向に延びるレール２０を敷設し、このレール２０上を図
示しないラックアンドピニオンとモータ２１等からなる
レール昇降装置で、地上からの操作スイッチ２２の操作
により、マイクロホン取付治具１７を昇降（走行）させ
るようにした例である。In this embodiment, a rail 20 extending vertically is laid on the outer peripheral surface of the tower 1, and a rail elevating device including a rack and pinion, a motor 21 and the like (not shown) is mounted on the rail 20. This is an example in which the microphone mounting jig 17 is moved up and down (running) by the operation 22.
【００２７】［作用・効果］この実施例においても、第
１実施例と同様に、ロータ３の翼３ａにおいて先端部か
ら根元部に亙って多点計測が行なえ、当該翼３ａの騒音
発生部位と寄与度が明確になる。[Operation / Effect] In this embodiment, as in the first embodiment, multiple points can be measured from the tip to the root of the blade 3a of the rotor 3, and the noise generating portion of the blade 3a can be measured. And the contribution becomes clear.
【００２８】尚、上記実施例において、風向きが変わる
条件下であれば、レール２０を敷設替えするか、予めレ
ール２０をタワー１の外周面に周方向に所定間隔離間し
て複数本敷設しておけば良い。In the above embodiment, if the wind direction changes, the rails 20 may be replaced or a plurality of rails 20 may be previously laid on the outer peripheral surface of the tower 1 at predetermined intervals in the circumferential direction. It is good.
【００２９】［第３実施例］ ［構成］図３は本発明の第３実施例を示す、翼発生音計
測装置が装着された水平軸風車の側面図である。尚、図
３において、図１及び図２と同一部材には同一符号を付
して重複する説明は省略する。Third Embodiment [Configuration] FIG. 3 is a side view of a horizontal axis wind turbine equipped with a wing-generated sound measuring device, showing a third embodiment of the present invention. In FIG. 3, the same members as those in FIGS. 1 and 2 are denoted by the same reference numerals, and redundant description will be omitted.
【００３０】この実施例は、第２実施例におけるレール
２０をナセル２の下面部からロータ３の翼３ａに対応さ
せて一体的に垂下し、このレール２０上を図示しないラ
ックアンドピニオンとモータ２１等からなるレール昇降
装置で、地上からの操作スイッチ２２の操作により、マ
イクロホン取付治具１７を昇降（走行）させるようにし
た例である。In this embodiment, the rail 20 of the second embodiment is integrally hung from the lower surface of the nacelle 2 in correspondence with the blades 3a of the rotor 3, and a rack and pinion (not shown) and a motor 21 are mounted on the rail 20. This is an example in which the microphone mounting jig 17 is moved up and down (running) by operating the operation switch 22 from the ground with a rail elevating device composed of the above.
【００３１】［作用・効果］この実施例においても、第
１実施例と同様に、ロータ３の翼３ａにおいて先端部か
ら根元部に亙って多点計測が行なえ、当該翼３ａの騒音
発生部位と寄与度が明確になる。また、この実施例で
は、風向きによって変化するナセル２の方位（即ち、ロ
ータ３の翼３ａの向き）に、レール２０（即ち、マイク
ロホン取付治具１７）が自動的に追従するという利点が
ある。[Operation / Effect] In this embodiment, similarly to the first embodiment, multipoint measurement can be performed from the tip to the root of the blade 3a of the rotor 3, and the noise generating portion of the blade 3a can be measured. And the contribution becomes clear. Further, in this embodiment, there is an advantage that the rail 20 (ie, the microphone mounting jig 17) automatically follows the azimuth of the nacelle 2 (that is, the direction of the blade 3a of the rotor 3) which changes depending on the wind direction.
【００３２】［第４実施例］ ［構成］図４は本発明の第４実施例を示す、翼発生音計
測装置が装着された水平軸風車の側面図である。尚、図
４において、図１乃至図３と同一部材には同一符号を付
して重複する説明は省略する。[Fourth Embodiment] [Configuration] FIG. 4 is a side view of a horizontal axis wind turbine equipped with a wing-generated sound measuring device according to a fourth embodiment of the present invention. In FIG. 4, the same members as those in FIGS. 1 to 3 are denoted by the same reference numerals, and redundant description will be omitted.
【００３３】この実施例は、第２実施例におけるレール
２０を、ナセル２直下のタワー１の外周面に支持部材３
０を介して回動自在に支持された回転レール３１の下面
部から一体的に垂下し、このレール２０上を前述したレ
ール昇降装置で、地上からの操作スイッチ２２の操作に
より、マイクロホン取付治具１７を昇降（走行）させる
ようにした例である。また、前記回転レール３１は、図
示しないラックアンドピニオンとモータ３２等からなる
回転レール駆動装置により回転駆動され、前記モータ３
２は、ナセル２の上面部に設置した風向計３３の出力信
号をフィードバック信号として図示しないコントローラ
により駆動制御される。In this embodiment, the rail 20 of the second embodiment is mounted on the outer peripheral surface of the tower 1 immediately below the nacelle 2 by the support member 3.
The microphone 20 is suspended from the lower surface of a rotatable rail 31 rotatably supported through the rail 0, and the rail elevating device described above is operated on the rail 20 by operating the operation switch 22 from the ground. 17 is an example of moving up and down (running). The rotating rail 31 is driven to rotate by a rotating rail driving device including a rack and pinion (not shown), a motor 32, and the like.
2 is driven and controlled by a controller (not shown) using an output signal of the anemometer 33 installed on the upper surface of the nacelle 2 as a feedback signal.
【００３４】［作用・効果］この実施例においても、第
１実施例と同様に、ロータ３の翼３ａにおいて先端部か
ら根元部に亙って多点計測が行なえ、当該翼３ａの騒音
発生部位と寄与度が明確になる。また、この実施例で
は、風向きによって変化するナセル２の方位（即ち、ロ
ータ３の翼３ａの向き）を風向計３３により電気的に検
出し、この検出信号に基づいて、レール２０（即ち、マ
イクロホン取付治具１７）の位置をロータ３の翼３ａの
向きに対応させるべく、コントローラが回転レール駆動
装置を介して自動制御することができるという利点があ
る。[Operation / Effect] In this embodiment, similarly to the first embodiment, multipoint measurement can be performed from the tip to the root of the blade 3a of the rotor 3, and the noise generating portion of the blade 3a can be measured. And the contribution becomes clear. In this embodiment, the azimuth of the nacelle 2 (that is, the direction of the wing 3a of the rotor 3) that changes depending on the wind direction is electrically detected by the anemometer 33, and based on the detection signal, the rail 20 (that is, the microphone) is detected. There is an advantage that the controller can automatically control the position of the mounting jig 17) with the direction of the blade 3a of the rotor 3 via the rotary rail driving device.
【００３５】［第５実施例］ ［構成］図５は本発明の第５実施例を示す、翼発生音計
測装置が装着された水平軸風車の側面図である。尚、図
５において、図１乃至図４と同一部材には同一符号を付
して重複する説明は省略する。[Fifth Embodiment] [Structure] FIG. 5 is a side view of a horizontal axis wind turbine equipped with a wing-generated sound measuring device according to a fifth embodiment of the present invention. In FIG. 5, the same members as those in FIGS. 1 to 4 are denoted by the same reference numerals, and redundant description will be omitted.
【００３６】この実施例は、第２実施例におけるレール
２０Ａを、タワー１の外周面にらせん状に敷設し、この
レール２０Ａ上を図示しないラックアンドピニオンとモ
ータ２１等からなるレール昇降装置で、地上からの操作
スイッチ２２の操作により、マイクロホン取付治具１７
を昇降（走行）させるようにした例である。In this embodiment, the rail 20A of the second embodiment is spirally laid on the outer peripheral surface of the tower 1, and a rail lift device including a rack and pinion (not shown), a motor 21 and the like is arranged on the rail 20A. By operating the operation switch 22 from the ground, the microphone mounting jig 17
This is an example in which is moved up and down (running).
【００３７】［作用・効果］この実施例においても、第
１実施例と同様に、ロータ３の翼３ａにおいて先端部か
ら根元部に亙って多点計測が行なえ、当該翼３ａの騒音
発生部位と寄与度が明確になる。また、この実施例で
は、らせん状に敷設するレール２０のリードを可及的に
小さく設定することにより、単にマイクロホン取付治具
１７を走行させるだけで、風向きによって変化するナセ
ル２の方位（即ち、ロータ３の翼３ａの向き）に、マイ
クロホン取付治具１７を追従させられるという利点があ
る。[Operation / Effect] In this embodiment, as in the first embodiment, multipoint measurement can be performed from the tip to the root of the blade 3a of the rotor 3, and the noise generating portion of the blade 3a can be measured. And the contribution becomes clear. Further, in this embodiment, by setting the leads of the spirally laid rails 20 as small as possible, the azimuth of the nacelle 2 that changes with the wind direction (ie, There is an advantage that the microphone mounting jig 17 can follow the direction of the blade 3a of the rotor 3).
【００３８】尚、本発明は上記各実施例に限定されず、
本発明の要旨を逸脱しない範囲で、マイクロホン取付治
具１７、レール昇降装置及び回転レール駆動装置等の形
状及び構造変更等各種変更が可能であることはいうまで
もない。The present invention is not limited to the above embodiments,
It goes without saying that various changes such as changes in the shape and structure of the microphone mounting jig 17, the rail lifting / lowering device, the rotating rail driving device, and the like are possible without departing from the gist of the present invention.
【００３９】[0039]
【発明の効果】以上詳細に説明したように、本発明の請
求項１に係る翼発生音計測装置は、水平軸風車におい
て、アレイ構成された複数のマイクロホンをタワーの高
さ方向に移動可能に設けたことを特徴とするので、翼の
先端部から根元部に亙って多点計測が行なえ、当該翼の
騒音発生部位と寄与度が明確になる。この結果、風車製
品の品質向上（低騒音化）が図れる。As described above in detail, the wing-generated sound measuring apparatus according to the first aspect of the present invention enables a plurality of microphones arranged in an array to be movable in the height direction of a tower in a horizontal axis wind turbine. Because of this feature, multipoint measurement can be performed from the tip of the blade to the root thereof, and the noise generation site and contribution of the blade become clear. As a result, the quality of the wind turbine product can be improved (low noise).
【００４０】本発明の請求項２に係る翼発生音計測装置
は、前記マイクロホンを取り付けたマイクロホン取付治
具を、タワーの外周に嵌装されて高さ方向へ移動可能な
リング部材へ着脱自在に取り付けたことを特徴とするの
で、請求項１と同様の作用・効果が得られると共に、風
向きの変化に対応してマイクロホン取付治具を簡単に移
動できるという利点がある。According to a second aspect of the present invention, there is provided a wing-generated sound measuring apparatus, wherein the microphone mounting jig having the microphone mounted thereon is detachably attached to a ring member which is fitted on the outer periphery of the tower and is movable in the height direction. Since the camera is mounted, the same operation and effect as those of the first aspect can be obtained, and the microphone mounting jig can be easily moved in response to a change in wind direction.
【００４１】本発明の請求項３に係る翼発生音計測装置
は、前記マイクロホンを取り付けたマイクロホン取付治
具を、タワーの外周面の高さ方向に敷設したレール上を
レール昇降装置により走行可能に設けたことを特徴とす
るので、請求項１と同様の作用・効果が得られる。According to a third aspect of the present invention, there is provided a wing-generated sound measuring apparatus which enables a microphone mounting jig to which the microphone is mounted to run on a rail laid in a height direction of an outer peripheral surface of a tower by a rail elevating device. Since this is provided, the same operation and effect as the first aspect can be obtained.
【００４２】本発明の請求項４に係る翼発生音計測装置
は、前記マイクロホンを取り付けたマイクロホン取付治
具を、ナセル下部からタワーに沿って垂下されたレール
上をレール昇降装置により走行可能に設けたことを特徴
とするので、請求項１と同様の作用・効果が得られると
共に、風向きの変化に対応してマイクロホン取付治具を
自動的に移動できるという利点がある。According to a fourth aspect of the present invention, there is provided a wing-generated sound measuring device, wherein a microphone mounting jig to which the microphone is mounted is provided so that the microphone mounting jig can travel on a rail suspended from a lower part of a nacelle along a tower by a rail elevating device. Therefore, the same operation and effect as those of the first aspect can be obtained, and the microphone mounting jig can be automatically moved in response to a change in wind direction.
【００４３】本発明の請求項５に係る翼発生音計測装置
は、前記マイクロホンを取り付けたマイクロホン取付治
具を、ナセル直下のタワーの外周面に回動自在に支持さ
れた回転レールから垂下したレール上をレール昇降装置
により走行可能に設け、前記回転レールは風向計の出力
信号をフィードバック信号としてコントローラにより制
御される回転レール駆動装置により回転駆動されること
を特徴とするので、請求項１と同様の作用・効果が得ら
れると共に、風向きの変化に対応してマイクロホン取付
治具を自動的に移動できるという利点がある。According to a fifth aspect of the present invention, there is provided a wing-generated sound measuring apparatus, wherein a microphone mounting jig to which the microphone is mounted is suspended from a rotating rail rotatably supported on an outer peripheral surface of a tower immediately below a nacelle. The upper part is provided so as to be able to travel by a rail elevating device, and the rotary rail is rotationally driven by a rotary rail driving device controlled by a controller using an output signal of an anemometer as a feedback signal, similar to claim 1. And the microphone mounting jig can be automatically moved in response to a change in wind direction.
【００４４】本発明の請求項６に係る翼発生音計測装置
は、前記マイクロホンを取り付けたマイクロホン取付治
具を、タワーの外周面にらせん状に敷設したレール上を
レール昇降装置により走行可能に設けたことを特徴とす
るので、請求項１と同様の作用・効果が得られる。According to a sixth aspect of the present invention, there is provided a wing-generated sound measuring apparatus, wherein a microphone mounting jig to which the microphone is mounted is provided so as to be able to travel on a rail spirally laid on an outer peripheral surface of a tower by a rail elevating device. Therefore, the same operation and effect as those of the first aspect can be obtained.
【図１】本発明の第１実施例を示す、翼発生音計測装置
が装着された水平軸風車の側面図である。FIG. 1 is a side view of a horizontal axis wind turbine equipped with a wing-generated sound measuring device according to a first embodiment of the present invention.
【図２】本発明の第２実施例を示す、翼発生音計測装置
が装着された水平軸風車の側面図である。FIG. 2 is a side view of a horizontal axis wind turbine equipped with a wing-generated sound measuring device according to a second embodiment of the present invention.
【図３】本発明の第３実施例を示す、翼発生音計測装置
が装着された水平軸風車の側面図である。FIG. 3 is a side view of a horizontal axis wind turbine equipped with a wing-generated sound measuring device according to a third embodiment of the present invention.
【図４】本発明の第４実施例を示す、翼発生音計測装置
が装着された水平軸風車の側面図である。FIG. 4 is a side view of a horizontal axis wind turbine equipped with a wing-generated sound measuring device, showing a fourth embodiment of the present invention.
【図５】本発明の第５実施例を示す、翼発生音計測装置
が装着された水平軸風車の側面図である。FIG. 5 is a side view of a horizontal axis wind turbine equipped with a wing-generated sound measuring device according to a fifth embodiment of the present invention.
１ タワー ２ ナセル ３ ロータ ３ａ 翼 ３ｂ 水平駆動軸 ４ 増速機 ５ 発電機 １０ 板ゴム １１ バンド １２ プーリ １３ ２連リング １３ａ 上リング部材 １３ｂ 下リング部材 １４ ロープ １５ ウインチ １６ 案内ロープ １７ マイクロホン取付治具 １８ マイクロホン ２０ レール ２１ モータ ２２ 操作スイッチ ３０ 支持部材 ３１ 回転レール ３２ モータ ３３ 風向計 DESCRIPTION OF SYMBOLS 1 Tower 2 Nacelle 3 Rotor 3a Blade 3b Horizontal drive shaft 4 Gearbox 5 Generator 10 Rubber plate 11 Band 12 Pulley 13 Double ring 13a Upper ring member 13b Lower ring member 14 Rope 15 Winch 16 Guide rope 17 Microphone mounting jig Reference Signs List 18 microphone 20 rail 21 motor 22 operation switch 30 support member 31 rotating rail 32 motor 33 anemometer
───────────────────────────────────────────────────── フロントページの続き (72)発明者 吉永 貴祐 長崎県長崎市深堀町５丁目717番１号 三 菱重工業株式会社長崎研究所内 Ｆターム(参考） 3H078 AA02 AA26 BB30 CC47 CC80 ────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Kisuke Yoshinaga 5-717-1, Fukahori-cho, Nagasaki-shi, Nagasaki F-term (reference) 3H078 AA02 AA26 BB30 CC47 CC80
Claims (6)
複数のマイクロホンをタワーの高さ方向に移動可能に設
けたことを特徴とする翼発生音計測装置。1. A wing-generated sound measuring device in a horizontal axis wind turbine, wherein a plurality of microphones arranged in an array are provided so as to be movable in a height direction of a tower.
ホン取付治具を、タワーの外周に嵌装されて高さ方向へ
移動可能なリング部材へ着脱自在に取り付けたことを特
徴とする請求項１記載の翼発生音計測装置。2. The wing according to claim 1, wherein the microphone mounting jig to which the microphone is mounted is detachably mounted on a ring member which is fitted on the outer periphery of the tower and is movable in a height direction. Generated sound measurement device.
ホン取付治具を、タワーの外周面の高さ方向に敷設した
レール上をレール昇降装置により走行可能に設けたこと
を特徴とする請求項１記載の翼発生音計測装置。3. The wing according to claim 1, wherein the microphone mounting jig to which the microphone is mounted is provided so as to be able to run on a rail laid in the height direction of the outer peripheral surface of the tower by a rail lifting device. Generated sound measurement device.
ホン取付治具を、ナセル下部からタワーに沿って垂下さ
れたレール上をレール昇降装置により走行可能に設けた
ことを特徴とする請求項１記載の翼発生音計測装置。4. The wing generator according to claim 1, wherein the microphone mounting jig to which the microphone is mounted is provided so as to be able to run on a rail suspended from a lower part of the nacelle along a tower by a rail lifting device. Sound measurement device.
ホン取付治具を、ナセル直下のタワーの外周面に回動自
在に支持された回転レールから垂下したレール上をレー
ル昇降装置により走行可能に設け、前記回転レールは風
向計の出力信号をフィードバック信号としてコントロー
ラにより制御される回転レール駆動装置により回転駆動
されることを特徴とする請求項１記載の翼発生音計測装
置。5. A microphone mounting jig to which the microphone is mounted is provided so as to be able to travel on a rail suspended from a rotating rail rotatably supported on an outer peripheral surface of a tower directly below a nacelle by a rail elevating device, The wing-generated sound measuring device according to claim 1, wherein the rail is rotationally driven by a rotating rail driving device controlled by a controller using an output signal of the anemoscope as a feedback signal.
ホン取付治具を、タワーの外周面にらせん状に敷設した
レール上をレール昇降装置により走行可能に設けたこと
を特徴とする請求項１記載の翼発生音計測装置。6. The wing generator according to claim 1, wherein the microphone mounting jig to which the microphone is mounted is provided so as to be able to run on a rail spirally laid on the outer peripheral surface of the tower by a rail elevating device. Sound measurement device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11188501A JP2001020848A (en) | 1999-07-02 | 1999-07-02 | Blade generating noise measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11188501A JP2001020848A (en) | 1999-07-02 | 1999-07-02 | Blade generating noise measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2001020848A true JP2001020848A (en) | 2001-01-23 |
Family
ID=16224842
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11188501A Withdrawn JP2001020848A (en) | 1999-07-02 | 1999-07-02 | Blade generating noise measuring device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2001020848A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003064853A1 (en) * | 2002-01-29 | 2003-08-07 | Abb Ab | Apparatus and method for operation of a power generating plant |
| EP2075465A2 (en) * | 2007-12-31 | 2009-07-01 | General Electric Company | Individual blade noise measurement system and method for wind turbines |
| CN104776911A (en) * | 2015-04-24 | 2015-07-15 | 无锡吉兴汽车声学部件科技有限公司 | Microphone fixing device for saloon car exterior tire noise testing |
| CN107401485A (en) * | 2016-05-20 | 2017-11-28 | 西门子公司 | Position the thunderbolt at wind turbine |
| JP2019523363A (en) * | 2016-07-29 | 2019-08-22 | ヴォッベン プロパティーズ ゲーエムベーハー | How to record wind turbine measurements |
| CN113653606A (en) * | 2021-07-20 | 2021-11-16 | 中国海洋大学 | Health state monitoring equipment and method for offshore wind turbine blade |
-
1999
- 1999-07-02 JP JP11188501A patent/JP2001020848A/en not_active Withdrawn
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003064853A1 (en) * | 2002-01-29 | 2003-08-07 | Abb Ab | Apparatus and method for operation of a power generating plant |
| EP2075465A2 (en) * | 2007-12-31 | 2009-07-01 | General Electric Company | Individual blade noise measurement system and method for wind turbines |
| US8197207B2 (en) * | 2007-12-31 | 2012-06-12 | General Electric Company | Individual blade noise measurement system and method for wind turbines |
| EP2075465A3 (en) * | 2007-12-31 | 2012-08-15 | General Electric Company | Individual blade noise measurement system and method for wind turbines |
| CN104776911A (en) * | 2015-04-24 | 2015-07-15 | 无锡吉兴汽车声学部件科技有限公司 | Microphone fixing device for saloon car exterior tire noise testing |
| CN107401485A (en) * | 2016-05-20 | 2017-11-28 | 西门子公司 | Position the thunderbolt at wind turbine |
| US10317573B2 (en) | 2016-05-20 | 2019-06-11 | Siemens Gamesa Renewable Energy A/S | Locating a lightning strike at a wind turbine |
| JP2019523363A (en) * | 2016-07-29 | 2019-08-22 | ヴォッベン プロパティーズ ゲーエムベーハー | How to record wind turbine measurements |
| CN113653606A (en) * | 2021-07-20 | 2021-11-16 | 中国海洋大学 | Health state monitoring equipment and method for offshore wind turbine blade |
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