| 摘要 |
<P>PROBLEM TO BE SOLVED: To continue transportation of a fluid even when the residual amount of a battery is small. <P>SOLUTION: The fluid transportation device includes: a tube for transporting the fluid; a plurality of fingers arranged along the tube, and pressing the tube to be blocked; a cam for pressing the fingers sequentially so as to compress the tube to transport the fluid; a vibrating body vibrating by a piezoelectric element, and a driven body driven in accordance with the vibration of the vibrating body, as a driving mechanism for driving the cam; the battery supplying electric power for driving the piezoelectric element; and a control part controlling the piezoelectric element. The control part controls the piezoelectric element in a first mode for driving the driven body by a prescribed driving amount per unit time when it is determined that the residual amount of the electric power remaining in the battery is equal to or greater than a prescribed amount, and controls the piezoelectric element in a second mode for driving the driven body by a driving amount larger than the prescribed driving amount per time longer than the unit time when it is determined that the residual amount is smaller than the prescribed amount. <P>COPYRIGHT: (C)2013,JPO&INPIT |
