专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

2. 发明公开

EP2345757A1 DRUM TYPE WASHING MACHINE 有权
标题翻译：滚筒式洗衣机
公开(公告)号：EP2345757A1
公开(公告)日：2011-07-20
申请号：EP09815850.4
申请日：2009-09-15
申请人： Panasonic Corporation
发明人： HATANAKA, Souichi , TOMITA, Kenjiro , HAGIWARA, Hisashi
IPC分类号： D06F25/00 , D06F33/02 , D06F37/04 , D06F58/02 , D06F58/28
CPC分类号： D06F25/00 , D06F37/304 , D06F58/28 , D06F2058/2864 , D06F2058/287 , D06F2202/12 , D06F2204/065 , Y02B40/52
摘要： A drum type washing machine is equipped with a shorting circuit 33 including a reactor 35 connected in series between an AC power supply 32 and a rectifier circuit 37; and a short-circuit control element 36 connected between one end of the reactor and one input terminal of the rectifier circuit, in parallel with the AC power supply. A DC voltage Vd output from the rectifier circuit 37 via smoothing capacitors 38, 39 is applied to a first inverter circuit 22 for controlling driving of a drum motor 7. A control portion 30 for driving the first inverter circuit generates a short-circuit signal beginning at a zero-cross detection point of the AC power supply voltage and conducting the short-circuit control element at least during part of the period of a dehydrating process. The control portion 30 then sets the pulse width Tw of the short-circuit signal based on the target voltage Vt of the DC voltage Vd set in accordance with the target rotation speed Nt of the drum motor and the detected value of the DC voltage Vd. It is possible to control the DC voltage Vd supplied to the inverter circuit to be stepped up with appropriate conditions in accordance with the status.
摘要翻译：滚筒式洗衣机配备有短路电路33，短路电路33包括串联连接在AC电源32和整流电路37之间的电抗器35; 以及连接在电抗器的一端和整流电路的一个输入端子之间的短路控制元件36，与AC电源并联。从整流电路37经由平滑电容器38,39输出的直流电压Vd被施加到用于控制鼓电动机7的驱动的第一逆变器电路22.用于驱动第一逆变器电路的控制部分30产生短路信号开始在交流电源电压的零交叉检测点处，并且至少在脱水过程的部分时间段期间导通短路控制元件。控制部分30然后基于根据鼓状电动机的目标转速Nt设定的DC电压Vd的目标电压Vt和DC电压Vd的检测值来设定短路信号的脉冲宽度Tw。根据状态，可以以适当的条件控制提供给逆变器电路的直流电压Vd。

IPRDB

热门服务

关于我们

友情链接

联系方式