JP5143562B2 - 小型化圧電式振動エネルギー回収装置 - Google Patents
小型化圧電式振動エネルギー回収装置 Download PDFInfo
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C23/00—Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
- B60C23/02—Signalling devices actuated by tyre pressure
- B60C23/04—Signalling devices actuated by tyre pressure mounted on the wheel or tyre
- B60C23/0408—Signalling devices actuated by tyre pressure mounted on the wheel or tyre transmitting the signals by non-mechanical means from the wheel or tyre to a vehicle body mounted receiver
- B60C23/041—Means for supplying power to the signal- transmitting means on the wheel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C23/00—Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
- B60C23/02—Signalling devices actuated by tyre pressure
- B60C23/04—Signalling devices actuated by tyre pressure mounted on the wheel or tyre
- B60C23/0408—Signalling devices actuated by tyre pressure mounted on the wheel or tyre transmitting the signals by non-mechanical means from the wheel or tyre to a vehicle body mounted receiver
- B60C23/041—Means for supplying power to the signal- transmitting means on the wheel
- B60C23/0411—Piezoelectric generators
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
- H02N2/18—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing electrical output from mechanical input, e.g. generators
- H02N2/186—Vibration harvesters
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/01—Manufacture or treatment
- H10N30/03—Assembling devices that include piezoelectric or electrostrictive parts
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/30—Piezoelectric or electrostrictive devices with mechanical input and electrical output, e.g. functioning as generators or sensors
- H10N30/304—Beam type
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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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/42—Piezoelectric device making
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Description
本発明は、一般的に言うならば、ホスト構造体の機械的なエネルギー及び振動を受ける圧電構造体によって生成されるエネルギーを回収するためのコンパクトな小型化された装置及びそれに対応する方法並びに圧電式振動エネルギー回収装置を製造する方法に関するものである。ホスト構造体は事実上全ての物理的装置に対応させることができるが、本発明は、センサ応用装置との一体化に特に適している。
本発明の別の実施例では、圧電式振動エネルギー回収装置は、共通基準錘の各側に複数のネットワーク接続されたユニモルフを接合することによって形成される。この配置によって、基準錘の安定性がより良くなると同時に、回収した振動エネルギーの収集量が二倍になる。
本発明の更に別の実施例では、装置の共振を遮断することによって代表的な縦振動及び横振動からエネルギーを効率的に回収して、共振構造で得られる回収エネルギーより増大したエネルギーを回収することができる。
本発明の更に他の実施例は、複動式技術を用いて、機械的、電子的又は電磁的バネの使用によってエネルギーを結合する方法である。
本発明の更に他の実施例は、定荷重バネを組み込むことによってエネルギー回収を向上する方法及び装置である。定荷重バネを含む構成は、平衡した慣性質量配置を実現し、広い帯域のエネルギー受容装置を実現する。
本発明の更に他の実施例は、支持フレーム構造内に再生式運動停止素子を設けるか又は撓み部材自体の構成によって、エネルギー回収を向上し且つ装置のロックアウトを防止する方法である。
最後に、本発明の更に他の実施例は、ミクロ機械加工技術、ホトリソグラフ技術、剥脱プロセス、および、ウェハ接合技術を用いて製造するのに適した平面形態で本発明方法を具体化する方法である。
本発明の同一又は同様な特徴又は要素を指示するために、本明細書全体及び全添付図面において同一の参照番号を使用する。
これらの要素は、バネ強化要素870、872、874、876および圧電素子880、882、884、886を含む。これら要素の一部又は全部が、バネ強化要素870、872、874、876のために指定された場所でそれぞれのバネ860、862の両側に物理構造物が配置されている二重(デュアル)要素を構成することができる。或る例では、圧電素子自体が、バネ強化要素として使われることができる。この構造は、後述する図ll(a)から図16に図解される製造工程を参照して詳細に説明する。圧電素子880、882、884、886は、バネ860、862に取り付けられて、バネ860、862の撓みポイント890、892、896の曲率中心に対して軸方向に又は放射状に向けられて、有利な圧電電界方向を有することができる。
Claims (7)
- 周囲の振動エネルギーを回収して電気エネルギーに変換するため複動式エネルギー回収装置であって、
少なくとも1つの圧電素子を支持する少なくとも1つの定荷重撓み部材を少なくとも一方が有している第1と第2の定荷重撓み部材構造体と、
長手方向に延在する基準錘と、
前記第1と第2の定荷重撓み部材構造体と前記長手方向に延在する基準錘とを囲む支持フレームと、
前記基準錘と前記支持フレームとに結合する少なくとも1つの再生式運動停止要素と、を具備し、前記少なくとも1つの再生式運動停止要素は、少なくとも1つの軸方向において前記基準錘と前記支持フレームとの間の相対運動を制限するように構成されており、
各定荷重撓み部材構造体の第1の部分が、前記基準錘の両側に取り付けられており、各定荷重撓み部材構造体の第2の部分が、前記支持フレームに取り付けられていることを特徴とする複動式エネルギー回収装置。 - 前記再生式運動停止要素は、少なくとも一対の磁石を有することを特徴とする請求項1に記載の複動式エネルギー回収装置。
- 各定荷重撓み部材構造体は、複数の定荷重撓み部材を有しており、前記複数の定荷重撓み部材の少なくとも1つが、少なくとも1つの圧電素子を支持していることを特徴とする請求項1に記載の複動式エネルギー回収装置。
- 前記複数の定荷重撓み部材の各々が複数の圧電素子を支持していることを特徴とする請求項3に記載の複動式エネルギー回収装置。
- 前記複数の圧電素子は、当該複数の圧電素子が取り付けられている定荷重撓み部材の両側に対を成すように配置されていることを特徴とする請求項4に記載の複動式エネルギー回収装置。
- 前記基準錘と前記支持フレームとに結合する少なくとも2つの再生式運動停止要素を更に具備しており、前記再生式運動停止要素は、少なくとも2つの軸方向において前記基準錘と前記支持フレームとの間の相対運動を制限するように構成されていることを特徴とする請求項5に記載の複動式エネルギー回収装置。
- 前記再生式運動停止要素は、少なくとも2対の磁石を有することを特徴とする請求項6に記載の複動式エネルギー回収装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
USPCT/US04/34701 | 2004-10-21 | ||
PCT/US2004/034701 WO2006046938A1 (en) | 2004-10-21 | 2004-10-21 | A miniaturized piezoelectric based vibrational energy harvester |
PCT/US2005/026551 WO2006046989A1 (en) | 2004-10-21 | 2005-07-27 | A miniaturized piezoelectric based vibrational energy harvester |
Publications (2)
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JP2008526176A JP2008526176A (ja) | 2008-07-17 |
JP5143562B2 true JP5143562B2 (ja) | 2013-02-13 |
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JP2007537875A Expired - Fee Related JP5143562B2 (ja) | 2004-10-21 | 2005-07-27 | 小型化圧電式振動エネルギー回収装置 |
Country Status (7)
Country | Link |
---|---|
US (1) | US7692366B2 (ja) |
EP (2) | EP1803168A4 (ja) |
JP (1) | JP5143562B2 (ja) |
CN (2) | CN1985380A (ja) |
DE (1) | DE602005027096D1 (ja) |
TW (2) | TW200620647A (ja) |
WO (2) | WO2006046938A1 (ja) |
Families Citing this family (121)
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US20090212665A1 (en) * | 2005-03-24 | 2009-08-27 | Hur Koser | Power harvesting scheme based on piezoelectricity and nonlinear deflections |
FR2891389B1 (fr) | 2005-09-28 | 2009-01-23 | Cogema | Moyen d'etancheite, dispositif de transfert comportant un tel moyen d'etancheite, installation comportant un tel dispositif et procede de fabrication dudit moyen d'etancheite |
US7692365B2 (en) * | 2005-11-23 | 2010-04-06 | Microstrain, Inc. | Slotted beam piezoelectric composite |
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ITRM20070079A1 (it) * | 2007-02-15 | 2008-08-16 | Wisepower S R L | Generatore piezoelettrico bistabile. |
US7927292B2 (en) | 2007-03-08 | 2011-04-19 | Health Hero Network, Inc. | Self-powered vibration sensor |
AU2008228708A1 (en) | 2007-03-21 | 2008-09-25 | The University Of Vermont And State Agricultural College | Piezoelectric vibrational energy harvesting systems incorporating parametric bending mode energy harvesting |
US8354778B2 (en) | 2007-09-18 | 2013-01-15 | University Of Florida Research Foundation, Inc. | Dual-mode piezoelectric/magnetic vibrational energy harvester |
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DE102008029374A1 (de) * | 2008-06-20 | 2010-01-07 | Siemens Aktiengesellschaft | Vorrichtung zur Erzeugung elektrischer Energie aus mechanischen Vibrationen verschiedenster Amplituden und Frequenzen mittels Piezoaktoren |
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US20080136292A1 (en) | 2008-06-12 |
WO2006046989A1 (en) | 2006-05-04 |
EP1803171A4 (en) | 2008-10-08 |
CN100553002C (zh) | 2009-10-21 |
EP1803168A4 (en) | 2009-05-20 |
DE602005027096D1 (de) | 2011-05-05 |
EP1803171B1 (en) | 2011-03-23 |
EP1803168A1 (en) | 2007-07-04 |
CN1985380A (zh) | 2007-06-20 |
US7692366B2 (en) | 2010-04-06 |
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