Title:
MOTOR LIFETIME PREDICTION DEVICE AND LIFETIME PREDICTION METHOD
Document Type and Number:
Japanese Patent JP2018121392
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a lifetime prediction device capable of appropriately predicting the lifetime of a motor, in a flow path switching valve for a water treatment device that switches a flow path of water with the motor at the time of transition among a plurality of operation modes.SOLUTION: The present invention is a motor lifetime prediction device 19 for predicting the lifetime of a motor, in a flow path switching valve that is driven by the motor to switch a flow path of water at the time of transition among a plurality of operation modes. The lifetime prediction device 19 comprises a clock unit 13 that clocks a mode transition time required for transition among the plurality of operation modes, and a lifetime determination unit 14 that determines whether or not the lifetime of the motor is about to end by comparing the mode transition time clocked by the clock unit 13 with a mode transition time at an arbitrary reference time point of the motor.SELECTED DRAWING: Figure 2
Inventors:
SATO HAJIME
MANABE ATSUYUKI
ABE HAJIME
WATANABE HAYATO
MANABE ATSUYUKI
ABE HAJIME
WATANABE HAYATO
Application Number:
JP2017009499A
Publication Date:
August 02, 2018
Filing Date:
January 23, 2017
Export Citation:
Assignee:
MIURA KOGYO KK
International Classes:
H02P7/06
Attorney, Agent or Firm:
Iwaike Mitsuru
Ryota Kato
Ryota Kato
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