Household appliance and apparatus and method for detecting arc fault in the same

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United States of America Patent

PATENT NO 11444443
APP PUB NO 20180191145A1
SERIAL NO

15907082

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Abstract

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Disclosed are a household appliance, an apparatus and a method for detecting an arc fault in the household appliance. The apparatus includes: a grid current detecting unit, configured to detect a current from a power grid to the household appliance so as to generate a first current detecting signal; a filter protecting unit, configured to perform an attenuation processing on an arc signal in the power grid; a load current detecting unit, configured to detect an actual running current in a load of the household appliance so as to generate a second current detecting signal; and a control unit connected to the grid current detecting unit and the load current detecting unit respectively, and configured to identify and compare the first current detecting signal and second current detecting signal so as to determine a source of the arc fault.

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Patent Owner(s)

Patent OwnerAddress
MIDEA GROUP CO LTD528311 26-28 B DISTRICT MEI HEADQUARTERS BUILDING 6 MEI ROAD BEIJIAO TOWN SHUNDE DISTRICT FOSHAN GUANGDONG FOSHAN CITY GUANGDONG PROVINCE 528311
GD MIDEA AIR-CONDITIONING EQUIPMENT CO LTDNO 22 LINGANG ROAD BEIJIAO TOWN SHUNDE DISTRICT FOSHAN CITY GUANGDONG PROVINCE FOSHAN CITY GUANGDONG PROVINCE 528311

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Mai, Zhiwei Foshan, CN 1 3
Ruan, Zhaozhong Foshan, CN 2 95
Wang, Biying Foshan, CN 1 3

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