JP2006166694A5 - - Google Patents

Download PDF

Info

Publication number
JP2006166694A5
JP2006166694A5 JP2005326580A JP2005326580A JP2006166694A5 JP 2006166694 A5 JP2006166694 A5 JP 2006166694A5 JP 2005326580 A JP2005326580 A JP 2005326580A JP 2005326580 A JP2005326580 A JP 2005326580A JP 2006166694 A5 JP2006166694 A5 JP 2006166694A5
Authority
JP
Japan
Prior art keywords
piezoelectric element
piezoelectric
diaphragm
piezoelectric material
vibration
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.)
Granted
Application number
JP2005326580A
Other languages
Japanese (ja)
Other versions
JP4949666B2 (en
JP2006166694A (en
Filing date
Publication date
Application filed filed Critical
Priority to JP2005326580A priority Critical patent/JP4949666B2/en
Priority claimed from JP2005326580A external-priority patent/JP4949666B2/en
Publication of JP2006166694A publication Critical patent/JP2006166694A/en
Publication of JP2006166694A5 publication Critical patent/JP2006166694A5/ja
Application granted granted Critical
Publication of JP4949666B2 publication Critical patent/JP4949666B2/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Claims (11)

圧力変動により発電するための圧電素子であって、
圧電材料の少なくとも一方の面に、複数の溝が形成されていることを特徴とする圧電素子。 A piezoelectric element for generating electricity by pressure fluctuation,
A piezoelectric element comprising a plurality of grooves formed on at least one surface of a piezoelectric material. 前記圧電材料は、複数の部分に分割され、分割された圧電材料の各々が、前記圧電材料よりも弾性係数が小さい膜により接続されていることを特徴とする請求項１に記載の圧電素子。The piezoelectric element according to claim 1, wherein the piezoelectric material is divided into a plurality of portions, and each of the divided piezoelectric materials is connected by a film having a smaller elastic coefficient than the piezoelectric material. 圧力変動により発電するための圧電素子であって、A piezoelectric element for generating electricity by pressure fluctuation,
圧電材料と振動板とが接合され、前記圧電材料と前記振動板の少なくとも一方の面に、複数の溝が形成されていることを特徴とする圧電素子。A piezoelectric element, wherein a piezoelectric material and a diaphragm are joined, and a plurality of grooves are formed on at least one surface of the piezoelectric material and the diaphragm. 前記溝は、前記圧電材料の厚さの１／２の深さを有することを特徴とする請求項１から３のいずれか一項に記載の圧電素子。The piezoelectric element according to any one of claims 1 to 3, wherein the groove has a depth that is ½ of a thickness of the piezoelectric material. 音による空気の圧力変動により発電する音力発電装置であって、A sound power generator that generates power by fluctuations in air pressure due to sound,
圧電材料と振動板とが接合され、前記圧電材料と前記振動板の少なくとも一方の面に、複数の溝が形成されている圧電素子と、A piezoelectric element in which a piezoelectric material and a diaphragm are joined, and a plurality of grooves are formed on at least one surface of the piezoelectric material and the diaphragm;
該圧電素子を緩衝材により中空に保持する集音手段と、A sound collecting means for holding the piezoelectric element hollow by a buffer material;
前記圧電素子の出力を整流する手段と、Means for rectifying the output of the piezoelectric element;
整流された電力を蓄積する手段と、Means for storing rectified power;
を備えたことを特徴とする音力発電装置。A sound power generator characterized by comprising: 前記溝は、前記圧電材料の厚さの１／２の深さを有することを特徴とする請求項５に記載の音力発電装置。The sound power generation device according to claim 5, wherein the groove has a depth that is ½ of a thickness of the piezoelectric material. 前記振動板の少なくとも一方の面に複数の溝が形成され、音声周波数で共振することを特徴とする請求項５又は６に記載の音力発電装置。The sound power generation device according to claim 5 or 6, wherein a plurality of grooves are formed on at least one surface of the diaphragm and resonate at a sound frequency. 振動による圧力変動により発電する振動力発電装置であって、A vibration power generator that generates power by pressure fluctuation caused by vibration,
圧電材料の少なくとも一方の面に、複数の溝が形成されている圧電素子と、A piezoelectric element having a plurality of grooves formed on at least one surface of the piezoelectric material;
該圧電素子と接合され、前記圧電素子に振動を伝える振動板と、A diaphragm that is bonded to the piezoelectric element and transmits vibration to the piezoelectric element;
前記圧電素子の出力を整流する手段と、Means for rectifying the output of the piezoelectric element;
整流された電力を蓄積する手段と、Means for storing rectified power;
を備えたことを特徴とする振動力発電装置。A vibration power generation device comprising: 前記溝は、前記圧電材料の厚さの１／２の深さを有することを特徴とする請求項８に記載の振動力発電装置。9. The vibration power generation apparatus according to claim 8, wherein the groove has a depth that is ½ of the thickness of the piezoelectric material. 前記振動板は、一端に錘が取り付けられ、他端が筐体の一部に固定されていることを特徴とする請求項８又は９に記載の振動力発電装置。The vibration power generator according to claim 8 or 9, wherein a weight is attached to one end of the diaphragm, and the other end is fixed to a part of the casing. 前記振動板は、一端が筐体の一部に固定され、他端が外力によりはじかれることにより振動することを特徴とする請求項８又は９に記載の振動力発電装置。10. The vibration power generation apparatus according to claim 8, wherein the vibration plate vibrates when one end is fixed to a part of the housing and the other end is repelled by an external force.
JP2005326580A 2004-11-11 2005-11-10 Piezoelectric element, sound power generator and vibration power generator Active JP4949666B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2005326580A JP4949666B2 (en) 2004-11-11 2005-11-10 Piezoelectric element, sound power generator and vibration power generator

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2004327996 2004-11-11
JP2004327996 2004-11-11
JP2005326580A JP4949666B2 (en) 2004-11-11 2005-11-10 Piezoelectric element, sound power generator and vibration power generator

Publications (3)

Publication Number Publication Date
JP2006166694A JP2006166694A (en) 2006-06-22
JP2006166694A5 true JP2006166694A5 (en) 2008-12-18
JP4949666B2 JP4949666B2 (en) 2012-06-13

Family

ID=36668064

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2005326580A Active JP4949666B2 (en) 2004-11-11 2005-11-10 Piezoelectric element, sound power generator and vibration power generator

Country Status (1)

Country Link
JP (1) JP4949666B2 (en)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4901537B2 (en) * 2006-08-25 2012-03-21 公益財団法人鉄道総合技術研究所 Noise vibration reduction device
FR2911734B1 (en) * 2007-01-24 2009-03-27 Jean Frederic Martin AUTONOMOUS PIEZOELECTRIC DEVICE FOR GENERATING AN ELECTRICAL VOLTAGE.
US7498682B2 (en) 2007-03-07 2009-03-03 Aaron Patrick Lemieux Electrical energy generator
US8400046B2 (en) 2007-11-13 2013-03-19 Kohei Hayamizu Power generation unit
JP5305463B2 (en) * 2007-11-13 2013-10-02 浩平 速水 Power generation unit and light emitting device
JP5138473B2 (en) * 2008-06-16 2013-02-06 公益財団法人鉄道総合技術研究所 Monitoring system for air displacement in tunnel
KR101454686B1 (en) 2008-09-17 2014-10-28 삼성전자주식회사 Apparatus and method for converting energy
KR101522571B1 (en) * 2008-12-02 2015-05-26 삼성전자주식회사 Apparatus for storing energy and method for manufacturing the same
JP5354729B2 (en) * 2009-02-17 2013-11-27 浩平 速水 Exercise equipment
CA2796361A1 (en) 2010-04-16 2011-10-20 Miyake Inc. Electricity generation device and electricity collection system
JP5734064B2 (en) * 2010-04-27 2015-06-10 キヤノン株式会社 Actuator
JP4905820B2 (en) 2010-06-18 2012-03-28 国立大学法人金沢大学 Power generation element and power generation device including power generation element
US9571011B2 (en) 2011-09-16 2017-02-14 National University Corporation Kanazawa University Power generating element and power generation device
KR101323236B1 (en) * 2011-12-12 2013-10-30 황경환 Resonant piezoelectric power generator
JP5458421B2 (en) * 2012-05-07 2014-04-02 浩平 速水 Vibration power generator
JP5902068B2 (en) * 2012-08-22 2016-04-13 シャープ株式会社 Information processing apparatus and control method thereof
JP5228136B1 (en) * 2012-11-21 2013-07-03 浩平 速水 Vibration power generator
CN103114978A (en) * 2013-02-07 2013-05-22 中联重科股份有限公司 Engineering machinery and piezoelectric energy-absorbing power generation system applied to engineering machinery
JP6064865B2 (en) * 2013-10-31 2017-01-25 富士電機株式会社 Vibration power generator
WO2015128689A2 (en) * 2014-02-27 2015-09-03 Al Turkmani Khaled Fawzi Transforming a sound source, mechanical and thermal piezoelectric source into electric current
CN106208799B (en) * 2015-04-30 2018-06-22 北京纳米能源与系统研究所 Acoustic energy sampler and apply its sound sensing element
JP6309698B1 (en) * 2016-07-28 2018-04-11 株式会社トライフォース・マネジメント Power generation device and power generation element
CN108282111A (en) * 2018-02-28 2018-07-13 中国建筑第八工程局有限公司 Noise piezoelectric power generation system and its electricity-generating method for electromechanical equipment case
CN111884540A (en) * 2020-07-31 2020-11-03 林一平 PVDF piezoelectric film-based noise reduction device
JP7083212B1 (en) * 2022-02-08 2022-06-10 株式会社フルリール Detection device, system, vibration tool, method
JP2023125677A (en) * 2022-02-28 2023-09-07 株式会社鷺宮製作所 Detection switch and sound detection system using the same

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58172810A (en) * 1982-04-03 1983-10-11 旭硝子株式会社 Method of forming transparent conductive film on plastic substrate
JPH02122459A (en) * 1988-10-31 1990-05-10 Matsushita Electric Ind Co Ltd Cassette holder device
JPH05330424A (en) * 1991-09-20 1993-12-14 Sanyo Electric Co Ltd Micro machine
JP3077523B2 (en) * 1993-09-28 2000-08-14 株式会社村田製作所 Piezoelectric resonator
JP2001308405A (en) * 2000-04-21 2001-11-02 Suzuki Sogyo Co Ltd Piezoelectric element unit
JP4892780B2 (en) * 2001-01-10 2012-03-07 パナソニック株式会社 Electronic component manufacturing method and electronic component
JP2003009552A (en) * 2001-06-27 2003-01-10 Nec Tokin Ceramics Corp Element for piezoelectric power generation and indicator using the same

Similar Documents

Publication Publication Date Title
JP2006166694A5 (en)
JP4949666B2 (en) Piezoelectric element, sound power generator and vibration power generator
US9137608B2 (en) Actuator, piezoelectric actuator, electronic device, and method for attenuating vibration and converting vibration direction
EP1542499A3 (en) Acoustic vibration generating element
JP2010051945A (en) Resonance frequency-adjustable apparatus for collecting piezoelectric vibration energy
JP2007275819A (en) Piezoelectric vibration unit and piezoelectric loudspeaker
ATE400066T1 (en) LINEAR ULTRASONIC MOTOR
CN102144355A (en) Piezoelectric power generating device
WO2009063609A1 (en) Power generation unit and light emitting tool
KR100691796B1 (en) Vibration generator using permanent magnet and piezoelectric ceramics and generating method using thereof
JP5760561B2 (en) Piezoelectric power generator and electronic device including the piezoelectric power generator
KR101060667B1 (en) Piezoelectric Generator
DE502004006351D1 (en) FLAT ELEMENTS
JP2014127794A (en) Vibration generating apparatus and speaker
JP2010031582A (en) Sound absorbing structure, sound absorbing structure group, and acoustic room
JP4931072B2 (en) Acoustic signal generator
JP2007104650A5 (en)
KR101565655B1 (en) Piezoelectric Energy Harvester using air flow by running train in tunnel
KR101930633B1 (en) Generator using sound pressure
JP3175125U (en) Vibration speaker with fixing device
JP5888294B2 (en) Method for manufacturing piezoelectric speaker
JP6622638B2 (en) Contact microphone element and manufacturing method thereof
JP2008284532A (en) Bimorph vibrator for piezo-electric sheet power generation
JP7140458B2 (en) sound generator
JP3830728B2 (en) Piezoelectric sound device