Title:
超音波洗浄器
Document Type and Number:
Japanese Patent JP6697345
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide an ultrasonic cleaner in which malfunction of a micro computer can be prevented while exact residual quantity of a battery is measured.SOLUTION: A control device (102) includes: a first battery voltage measurement part (102a) which measures a voltage of a battery (BT) at a first sampling frequency considerably lower than a frequency of ultrasonic vibration generated by an ultrasonic vibration part; a battery residual quantity calculation part (102b) which calculates the residual quantity of the battery (BT) based on the voltage of the battery (BT) measured by the first battery voltage measurement part (102a); a second battery voltage measurement part (102c) which measures a voltage of the battery (BT) at a second sampling frequency higher than 1/10 of frequency of ultrasonic vibration generated by the ultrasonic vibration part; and a malfunction judgement part (102d) which judges such possibility that malfunction of the control device (102) occurs based on the voltage of the battery (BT) measured by the second battery voltage measurement part (102c).SELECTED DRAWING: Figure 8
Inventors:
Takashi Shibata
Minoru Miyajima
Minoru Miyajima
Application Number:
JP2016141520A
Publication Date:
May 20, 2020
Filing Date:
July 19, 2016
Export Citation:
Assignee:
Sharp Corporation
International Classes:
B08B3/12; D06F35/00; D06F43/00
Domestic Patent References:
| JP2005007215A | ||||
| JP2014205107A | ||||
| JP2012159435A |
Foreign References:
| US20060015043 |
Attorney, Agent or Firm:
Tomoya Inoue
Mitsuo Tanaka
Hiroshi Yamazaki
Etsuko Isoe
Toshiyuki Yamazaki
Noriyuki Iwaki
Mitsuo Tanaka
Hiroshi Yamazaki
Etsuko Isoe
Toshiyuki Yamazaki
Noriyuki Iwaki