JP5405127B2 - 機械的振動エネルギーを電気エネルギーに変換する電気機械式発電機および方法 - Google Patents
機械的振動エネルギーを電気エネルギーに変換する電気機械式発電機および方法 Download PDFInfo
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P9/00—Arrangements for controlling electric generators for the purpose of obtaining a desired output
- H02P9/006—Means for protecting the generator by using control
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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
- F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
- F03G7/00—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for
- F03G7/08—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for recovering energy derived from swinging, rolling, pitching or like movements, e.g. from the vibrations of a machine
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/18—Structural association of electric generators with mechanical driving motors, e.g. with turbines
- H02K7/1892—Generators with parts oscillating or vibrating about an axis
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Description
(a)ある共振周波数においてある発振振幅で共振するために適合された振動可能質量を有し、電気機械装置の電気出力で機械的振動エネルギーを電気エネルギーに変換する電気機械装置を備える電気機械式発電機を設けるステップと、
(b)電気機械装置を振動させ、それによって、振動可能質量を振動させ、それによって、電気出力に出力電圧を発生させるステップと、
(c)出力電圧が所定の最大スレッショルドを超えるときに電気出力を短絡することにより出力電圧を所定の最大スレッショルドより低くなるように制御し、それによって、振動振幅を所定の最大スレッショルド値以下の値に調節するステップと、
を備える方法をさらに提供する。
EMF=Vout+(Iout*Rtrans)
に従って変換素子の出力EMFを表現する量を計算するために適し、式中、Rtransはエネルギー収穫電気機械装置2の変換素子(たとえば、コイル)の内部インピーダンスである。
Claims (12)
- 出力において周囲の振動エネルギーを電気エネルギーに変換するように適合された電気機械装置を備える電気機械式発電機を有する振動エネルギー収穫機であって、
前記出力は、前記電気機械式発電機により駆動されるべき外部回路に接続可能であり、
前記電気機械装置は、バネによって壁に搭載され、或る周波数において或る発振振幅で共振するために適合された振動可能質量と、前記出力における電気出力を決定することによって前記発振振幅を検出する検出器と、前記検出された電気出力を前記発振振幅の所定の最大スレッショルドに対応する電気出力のスレッショルド値と比較することによって、該検出された発振振幅が前記所定の最大スレッショルドを超えるかどうかを判定する比較器と、前記比較器に応答して動作可能であり前記発振振幅を前記所定の最大スレッショルド以下の値に調節するレギュレータとを備え、
前記振動エネルギー収穫機は、前記電気機械装置の出力端子間に接続され可変インピーダンスを有するシャントインピーダンス素子を備え、前記レギュレータが前記シャントインピーダンス素子の前記インピーダンスを調整し、それによって、前記発振振幅を調節するために適合されており、あるいは、
前記レギュレータは、前記電気機械装置の出力電圧のための少なくとも1つの電圧レギュレータを備え、前記少なくとも1つの電圧レギュレータは、前記出力電圧がスレッショルド電圧を超えるときに前記電気機械装置の前記電気出力を短絡させるように適合され、該レギュレータは、前記電気機械装置の交流電気出力の間に接続された2つの電圧レギュレータを備え、前記2つの電圧レギュレータのそれぞれが所定の耐圧を有し、前記交流電気出力の間に直列にかつ反対向きの電流構成で接続されている、振動エネルギー収穫機。 - 前記電圧レギュレータが少なくとも1つのツェナーダイオードを備える、請求項1に記載の振動エネルギー収穫機。
- 前記レギュレータが、前記電気機械装置の交流電気出力の間に接続され、それぞれが所定の耐圧を有し、前記電気出力の間に直列にかつ反対向きの電流構成で接続されている2つの第1の電圧レギュレータと、前記電圧レギュレータに接続されている整流器と、前記整流器の直流電気出力の間に接続され、所定の耐圧を有する第2の電圧レギュレータとを有する、請求項1に記載の振動エネルギー収穫機。
- 前記レギュレータが、前記電気機械装置の交流電気出力の間に接続され、それぞれが所定の絶縁破壊電圧を有する複数個の電圧レギュレータを組み込んでいる整流器を備える、請求項1に記載の振動エネルギー収穫機。
- 前記検出器が前記電気機械装置から出力された交流電流および交流電圧を検出するために適合されている、請求項1に記載の振動エネルギー収穫機。
- 前記比較器が、前記電気機械装置によって発生させられた起電力の値を計算し、前記起電力の値を起電力のプリセット値と比較するために適合されている、請求項5に記載の振動エネルギー収穫機。
- 前記電気機械装置の前記電気出力を整流する整流器をさらに備え、前記検出器が前記整流器から出力された直流電流および直流電圧を検出するために適合されている、請求項1に記載の振動エネルギー収穫機。
- 前記シャントインピーダンス素子の前記インピーダンスが、前記発振振幅が前記所定の最大スレッショルド以下であるときに比較的高く、前記シャントインピーダンス素子の前記インピーダンスが、前記発振振幅が前記所定の最大スレッショルドを超えるときに比較的低い、請求項1に記載の振動エネルギー収穫機。
- 前記レギュレータが前記検出された振幅に応答して前記振幅の動的フィードバック制御を行うために適合されている、請求項1に記載の振動エネルギー収穫機。
- 前記動的フィードバック制御が連続的または断続的である、請求項9に記載の振動エネルギー収穫機。
- 前記振動可能質量が少なくとも1つのコイルおよび少なくとも1つの磁石よりなる群から選択された第1の素子を備え、前記振動可能質量はそれぞれ少なくとも1つの磁石および少なくとも1つのコイルよりなる群から選択された電気機械装置の第2の素子と相対的に振動するように配置され、前記発電機は、前記電気機械装置の前記少なくとも1つのコイルからの電気出力を前記出力において検出する検出器と、前記電気機械装置の少なくとも1つのコイルによって発生させられた起電力の値を計算し、前記起電力の値を起電力のプリセット値と比較する比較器と、前記電気機械装置の出力端子間に接続され、可変インピーダンスを有するシャントインピーダンス素子とをさらに備え、前記レギュレータは、前記比較器に応答して動作し、前記シャントインピーダンス素子の前記インピーダンスを調整し、それによって、前記計算された起電力の値を前記起電力のプリセット値以下の値に調節するように適合されている、請求項1に記載の振動エネルギー収穫機。
- 電気機械式発電機を使用して周囲の振動エネルギーを電気エネルギーに変換する方法であって、
(a)バネによって壁に搭載され、或る共振周波数において或る発振振幅で共振するために適合された振動可能質量を有する電気機械装置の出力において、周囲の振動エネルギーを電気エネルギーに変換するように適合された電気機械装置を備える前記電気機械式発電機を有する振動エネルギー収穫機を設け、前記出力は、電気機械式発電機により駆動されるべき外部回路に接続されており、
(b)前記電気機械装置を周囲振動に晒すことによって、前記振動可能質量を振動させ、それによって、前記出力に電気エネルギーを発生させ、
(c)前記出力における電気出力を決定し、
(d)前記検出された電気出力を電気出力のスレッショルド値と比較し、
(e)前記比較器に応じて前記発振振幅を、
(i)可変インピーダンスを有し、前記電気機械装置の出力端子間に接続されたシャントインピーダンス素子の前記インピーダンスを調整すること、あるいは、
(ii)それぞれが所定の耐圧を有し、前記電気機械装置の交流電気出力の間に直列にかつ反対向きの電流構成で接続された2つの電圧レギュレータを用いて、前記電気機械装置の前記出力電圧がスレッショルド電圧を超えるときに前記電気機械装置の前記電気出力を短絡させること、
のいずれかによって調節する、方法。
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US11/370,475 | 2006-03-08 | ||
US11/370,475 US7345372B2 (en) | 2006-03-08 | 2006-03-08 | Electromechanical generator for, and method of, converting mechanical vibrational energy into electrical energy |
PCT/GB2007/000793 WO2007102000A1 (en) | 2006-03-08 | 2007-03-06 | An electromechanical generator for, and method of, converting mechanical vibrational energy into electrical energy |
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JP5405127B2 true JP5405127B2 (ja) | 2014-02-05 |
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EP (1) | EP1997210B1 (ja) |
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WO (1) | WO2007102000A1 (ja) |
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Cited By (4)
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US10615726B2 (en) | 2017-07-21 | 2020-04-07 | Kabushiki Kaisha Toshiba | Power generation system |
US11703038B2 (en) | 2019-09-17 | 2023-07-18 | Kabushiki Kaisha Toshiba | Power control circuit, power generator, and power generation system |
JP2020191782A (ja) * | 2020-08-19 | 2020-11-26 | 株式会社東芝 | 発電システム |
JP7021308B2 (ja) | 2020-08-19 | 2022-02-16 | 株式会社東芝 | 発電システム |
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WO2007102000A1 (en) | 2007-09-13 |
CN101449450B (zh) | 2012-07-04 |
JP2009529310A (ja) | 2009-08-13 |
US7453163B2 (en) | 2008-11-18 |
CN101449450A (zh) | 2009-06-03 |
US7345372B2 (en) | 2008-03-18 |
EP1997210A1 (en) | 2008-12-03 |
EP1997210B1 (en) | 2013-10-23 |
US20080116856A1 (en) | 2008-05-22 |
US20070210580A1 (en) | 2007-09-13 |
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