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Patent Searching and Data


Title:
FOUR-WAY VALVE FAULT DETECTION METHOD, FOUR-WAY VALVE FAULT DETECTION APPARATUS, AND AIR CONDITIONER
Document Type and Number:
WIPO Patent Application WO/2017/190628
Kind Code:
A1
Abstract:
A four-way valve fault detection method, a four-way valve fault detection apparatus, and an air conditioner, the detection method comprising detecting an indoor heat exchanger and indoor environment temperature, or detecting an indoor heat exchanger and an outdoor heat exchanger temperature, or detecting an outdoor heat exchanger and outdoor environment temperature, and a working mode set by a user (102); on the basis of the detected temperatures, determining whether the current operating mode of the air conditioner is the same as the working mode set by the user, and if not the same, then determining that the four-way valve is in an abnormal commutation state, and if the same, then determining that the four-way valve is in a normal commutation state (104).

Inventors:
SHEN MENGLIANG (CN)
Application Number:
PCT/CN2017/082265
Publication Date:
November 09, 2017
Filing Date:
April 27, 2017
Export Citation:
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Assignee:
GUANGDONG MIDEA REFRIGERATION APPLIANCES CO LTD (CN)
MIDEA GROUP CO LTD (CN)
International Classes:
F25B49/02; F24F11/00
Foreign References:
CN103104962A2013-05-15
CN104676997A2015-06-03
CN105928279A2016-09-07
CN105928150A2016-09-07
CN105928278A2016-09-07
CN104930637A2015-09-23
EP2626652A12013-08-14
Attorney, Agent or Firm:
YOULINK INTELLECTUAL PROPERTY LAW FIRM (CN)
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