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VIBRATION POWER GENERATION DEVICE

Foreign code F180009376
File No. (S2016-0932-N0)
Posted date Apr 19, 2018
Country WIPO
International application number 2017JP026446
International publication number WO 2018016620
Date of international filing Jul 21, 2017
Date of international publication Jan 25, 2018
Priority data
  • P2016-143534 (Jul 21, 2016) JP
Title VIBRATION POWER GENERATION DEVICE
Abstract In the present invention a negative impedance conversion circuit (26) imparts vibration to a nonlinear vibration element (50). When the amplitude of the vibration of the nonlinear vibration element (50) is equal to or greater than a preset threshold value, a switch switching unit (24) places the negative impedance conversion circuit (26) in a first state, in which the negative impedance conversion circuit is not connected to the nonlinear vibration element (50), and when the amplitude of the vibration of the nonlinear vibration element (50) is less than the threshold value, the switch switching unit places the negative impedance conversion circuit in a second state, in which the negative impedance circuit is connected to the nonlinear vibration element (50) and the nonlinear vibration element (50) vibrates. An amplitude/frequency detection unit (41) detects the vibration frequency of the nonlinear vibration element (50). A threshold value setting unit (4212) sets the threshold value in accordance with whether the vibration frequency is included in the frequency band at which the vibration unit vibrates, said frequency band including a multi-operation-point coexistence band of the nonlinear vibration element (50).
Scope of claims [claim1]
1. The mass element and the non-linear vibration and non-linear spring element having a child, the non-linear vibration from said vibration source provided to the child converted into electrical energy to mechanical energy and the electromechanical transducer, said electromechanical transducer by the electrical energy input from the output circuit and to an external device, said non-linear vibrator to vibrate the vibration of the excitation unit, said non-linear vibration amplitude of the vibration of the transducers less than a threshold value set in advance, wherein the non-linear vibration exciter according to claim 1 in a non-connection element and the second state, said non-linear vibration amplitude of the vibration of the transducers is less than the threshold, wherein the non-linear vibration exciter is connected to the stator, wherein said nonlinear oscillators a first drive state and the state switching unit to 2, wherein the vibration frequency of the vibration source and the frequency detection unit for detecting, wherein the operating point of the plurality of nonlinear oscillators can take a plurality of operating points of the excitation unit comprises a coexistence band excitation frequency band, wherein the frequency of vibration is in response to whether or not included, and the threshold value setting unit sets the threshold value, a, vibration electric power generation device.
[claim2]
2. Said non-linear oscillator the oscillation frequency and the oscillation frequency with a threshold corresponding to the correlation information indicating a correlation between the correlation information storage unit further comprises a storage, wherein the threshold setting unit, by referring to the correlation information, the threshold value, is set to a value corresponding to the oscillation frequency, according to claim 1 vibration electric power generation device.
[claim3]
3. Wherein said threshold value, wherein the coexistence of a plurality of operating points of the small amplitude is higher than the bandwidth of the stable point, the increase in the amplitude is set to be lower than the stable point, according to claim 1 vibration electric power generation device.
[claim4]
4. Wherein the threshold setting unit, wherein the presence of a plurality of operating points of the excitation unit comprises a band outside the frequency band is excited to oscillation frequency is included in the frequency band, the first threshold 1 is set to a threshold value, wherein the frequency band of the excitation unit to excite the vibration frequency is included, the second threshold is greater than the first threshold 1 is set to the threshold 2, wherein any one of claim 1 1 3 from the vibration power generation device.
[claim5]
5. Wherein the plurality of operating points, stable small amplitude vibration comprises a vibration amplitude of the operating point and the operating point, wherein the first threshold is 1, and 0, wherein the first threshold is 2, wherein the non-linear vibrator vibrates at an operating point of the small amplitude vibration is greater than the amplitude of the vibration time, vibration electric power generation device according to claim 4.
[claim6]
6. Wherein the threshold setting unit, wherein the coexistence of a plurality of operating points of the excitation unit comprises a band of the excitation frequency band and the size of the threshold is changed adaptively, according to claim 1 vibration electric power generation device.
  • Applicant
  • ※All designated countries except for US in the data before July 2012
  • Kyoto Institute of Technology
  • Inventor
  • MASUDA ARATA
IPC(International Patent Classification)
Specified countries (WO201816620)
National States: AE AG AL AM AO AT AU AZ BA BB BG BH BN BR BW BY BZ CA CH CL CN CO CR CU CZ DE DJ DK DM DO DZ EC EE EG ES FI GB GD GE GH GM GT HN HR HU ID IL IN IR IS JO JP KE KG KH KN KP KR KW KZ LA LC LK LR LS LU LY MA MD ME MG MK MN MW MX MY MZ NA NG NI NO NZ OM PA PE PG PH PL PT QA RO RS RU RW SA SC SD SE SG SK SL SM ST SV SY TH TJ TM TN TR TT TZ UA UG US UZ VC VN ZA ZM ZW
ARIPO: BW GH GM KE LR LS MW MZ NA RW SD SL SZ TZ UG ZM ZW
EAPO: AM AZ BY KG KZ RU TJ TM
EPO: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
OAPI: BF BJ CF CG CI CM GA GN GQ GW KM ML MR NE SN ST TD TG
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