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Patent Searching and Data


Title:
LOAD STATE DETECTION METHOD, DEVICE AND CIRCUIT, AND AIR CONDITIONER CONTROLLER
Document Type and Number:
WIPO Patent Application WO/2019/140901
Kind Code:
A1
Abstract:
A load state detection method, device and circuit, and an air conditioner controller. The method comprises: acquiring a load execution time (101); determining a load execution moment according to a moment when a load receives an execution instruction and the load execution time (102); respectively acquiring a power supply bus current or a power supply bus voltage both before and after the load execution moment (103); and according to a comparison result of the power supply bus current before and after the load execution moment or a comparison result of the power supply bus voltage before and after the load execution moment, determining whether the working state of the load is normal (104). When a fault occurs in an air conditioner controller device, the fault can be quickly and accurately located.

Inventors:
WU BAOLONG (CN)
CHEN WANXING (CN)
GUO SHUANGLIN (CN)
QIAN PEI (CN)
ZHOU BAOLIN (CN)
PANG WEIRONG (CN)
LIU HONGYAN (CN)
Application Number:
CN2018/101286
Publication Date:
July 25, 2019
Filing Date:
August 20, 2018
Export Citation:
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Assignee:
GREE ELECTRIC APPLIANCES WUHAN CO LTD (430056, CN)
GREE ELECTRIC APPLIANCES INC ZHUHAI (519070, CN)
International Classes:
F24F11/38
Foreign References:
CN108332353A2018-07-27
CN1735811A2006-02-15
CN104950238A2015-09-30
CN105842554A2016-08-10
US20020105818A12002-08-08
Attorney, Agent or Firm:
KANGXIN PARTNERS, P.C. (Floor 16, Tower A Indo Building,A48 Zhichun Road, Haidian District, Beijing 8, 100098, CN)
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