Directional and timing control circuit for water pump

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United States of America Patent

PATENT NO 11788865
SERIAL NO

17505279

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Abstract

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A directional and timing control circuit is provided. the circuit includes a main control chip, a power supply module to supply power to the main control chip, a driver module configured to receive a control command from the main control chip and to control a motor according to the control command, a Hall module configured to detect an operation direction of the motor and transmit an operation direction signal to the main control chip, and a zero-crossing detection module configured to detect a zero-crossing cycle of the alternating current power supply to thereby obtain a current utility frequency of the alternating current power supply as a timing frequency of the main control chip, the zero-crossing detection module including an input terminal connected to the alternating current power supply and an output terminal connected to a phase detection terminal of the main control chip.

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Patent Owner(s)

Patent OwnerAddress
BESTWAY INFLATABLES & MATERIAL CORPNO 208 JINYUANWU ROAD JIANGQIAO TOWN JIADING DISTRICT SHANGHAI 201812 SHANGHAI CITY SHANGHAI CITY 201812

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chen, Xiaobo Jinhua, CN 234 782
Dai, Zhipeng Jinhua, CN 12 9
Li, Yuanjie Jinhua, CN 182 1060
Ye, Feng Jinhua, CN 72 307

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