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Title:
PIEZOELECTRIC POWER GENERATION MODULE, AND WIRELESS TRANSMISSION SYSTEM AND WIND SPEED MONITORING SYSTEM USING THE PIEZOELECTRIC POWER GENERATION MODULE
Document Type and Number:
Japanese Patent JP2010106809
Kind Code:
A
Abstract:

To provide a wireless transmission system and a wind speed monitoring system by adapting to the power generation characteristic of a piezoelectric element according to a wide range of mechanical energy of natural wind, efficiently supplying the energy to the piezoelectric element, and using the energy as a power source.

This piezoelectric power generation module includes a wind power piezoelectric power generation means 1, a power accumulation means 2 accumulating electric energy generated by the power generation means 1, and an electric circuit supplying electric power from the power accumulation means 2 at a predetermined voltage by a switch 4 with a voltage monitoring IC section 3 monitoring the upper limit voltage and lower limit voltage of accumulated voltage is switched on, when the voltage is an upper limit or more and switched off when the voltage is a lower limit or below, and intermittently supplies electric power of the predetermined voltage and predetermined current.


Inventors:
Ogawa, Shoichi
Eriguchi, Rei
Nagaoka, Shinji
Maeda, Yutaka
Application Number:
JP2008000282029
Publication Date:
May 13, 2010
Filing Date:
October 31, 2008
Export Citation:
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Assignee:
TAIHEIYO CEMENT CORP
International Classes:
F03D5/00; F03D9/02
Domestic Patent References:
JP2003003433A2003-01-08
JP2005228639A2005-08-25
JP2008180118A2008-08-07
JP2007051561A2007-03-01
JP2007056809A2007-03-08