- 专利标题: Drain pump driving apparatus and laundry treatment machine including the same
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申请号: US17258149申请日: 2019-07-05
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公开(公告)号: US12006616B2公开(公告)日: 2024-06-11
- 发明人: Jieon Kim , Jeongbin Rew , Junho Lee
- 申请人: LG ELECTRONICS INC.
- 申请人地址: KR Seoul
- 专利权人: LG ELECTRONICS INC.
- 当前专利权人: LG ELECTRONICS INC.
- 当前专利权人地址: KR Seoul
- 代理机构: KED & Associates LLP
- 优先权: KR 20180079039 2018.07.06
- 国际申请: PCT/KR2019/008280 2019.07.05
- 国际公布: WO2020/009523A 2020.01.09
- 进入国家日期: 2021-01-05
- 主分类号: D06F34/10
- IPC分类号: D06F34/10 ; D06F33/42 ; D06F33/47 ; D06F37/30 ; D06F39/08 ; F04D13/06 ; F04D15/00 ; H02P27/08 ; H02P29/024 ; D06F103/48 ; D06F105/08 ; D06F105/46 ; D06F105/58 ; D06F105/62 ; F04D1/00
摘要:
The present disclosure relates to a drain pump driving apparatus and a laundry treatment machine including the same. A drain pump driving apparatus according to an embodiment of the present disclosure includes: a converter; an inverter to output converted AC voltage to a drain pump motor; an output current detector to detect an output current flowing in the motor; and a controller to control the inverter, wherein in case in which the speed of the motor increases and the output current flowing in the motor decreases during a predetermined period among an operation period of the drain motor, the controller controls the inverter to be turned off. Accordingly, it is possible to protect internal circuit elements in case the motor loses its synchronism.
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