Title:
AIR CONDITIONING DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/042614
Kind Code:
A1
Abstract:
Disclosed is an air conditioning device having a refrigerant circuit, a power conversion device including a power module, and a control device that controls the refrigerant circuit and the power conversion device. The refrigerant circuit has: a heat source-side expansion valve that is provided in the downstream of a compressor; and a refrigerant cooler that is provided in the downstream of the heat source-side expansion valve. The control device has: a determining unit, which compares a second parameter normal value acquired from a condition table of a storage unit on the basis of a first parameter, and a second parameter acquired from the refrigerant circuit with each other, and which determines whether an abnormality has occurred in the refrigerant cooler; and an operation control unit that protects and controls the power module in the cases where the determining unit determined that an abnormality has occurred in the refrigerant cooler.
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Inventors:
TSUKANO KEIWA (JP)
TAKATA SHIGEO (JP)
KUSUBE SHINSAKU (JP)
KOBAYASHI TAKAHIKO (JP)
TANIGUCHI YOSHIHIRO (JP)
TAKATA SHIGEO (JP)
KUSUBE SHINSAKU (JP)
KOBAYASHI TAKAHIKO (JP)
TANIGUCHI YOSHIHIRO (JP)
Application Number:
PCT/JP2016/075772
Publication Date:
March 08, 2018
Filing Date:
September 02, 2016
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
F25B1/00; F25B49/02
Domestic Patent References:
| WO2011077720A1 | 2011-06-30 |
Foreign References:
| JP2015222747A | 2015-12-10 | |||
| JP2004169989A | 2004-06-17 | |||
| JP2002243246A | 2002-08-28 | |||
| JP2013172540A | 2013-09-02 | |||
| JP2015208081A | 2015-11-19 | |||
| JP2008057870A | 2008-03-13 | |||
| JP2003161505A | 2003-06-06 | |||
| JP2015031450A | 2015-02-16 | |||
| JP2015197281A | 2015-11-09 |
Attorney, Agent or Firm:
KISA PATENT & TRADEMARK FIRM (JP)
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