发明申请
- 专利标题: DRAIN PUMP DRIVING APPARATUS AND LAUNDRY TREATMENT MACHINE INCLUDING THE SAME
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申请号: US16900030申请日: 2020-06-12
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公开(公告)号: US20200308754A1公开(公告)日: 2020-10-01
- 发明人: Jungmoon JE , Chungill LEE , Kiwook LEE
- 申请人: LG ELECTRONICS INC.
- 专利权人: LG ELECTRONICS INC.
- 当前专利权人: LG ELECTRONICS INC.
- 优先权: com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@1a29f0f8
- 主分类号: D06F39/08
- IPC分类号: D06F39/08 ; H02P21/05 ; D06F33/00 ; D06F34/28 ; D06F37/24 ; D06F37/30 ; D06F37/40 ; D06F39/02 ; H02P23/04
摘要:
Disclosed herein is a drain pump driving apparatus and a laundry treatment machine including the same. The drain pump driving apparatus and the laundry treatment machine including the same according to an embodiment of the present invention include a motor to operate the drain pump, an inverter to convert a direct current (DC) power to an alternating current (AC) power by a switching operation and output the converted AC power to the motor, an output current detector to detect an output current flowing to the motor, and a controller to control the inverter, wherein the controller may calculate a speed ripple of the motor based on the output current and performs a control operation based on the calculated speed ripple of the motor to change a speed of the motor.
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