Login| Sign Up| Help| Contact|

Patent Searching and Data


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.

More Like This:
JP4679401Air conditioner
JPH086976暖冷房機
Inventors:
TSUKANO, Keiwa (7-3 Marunouchi 2-chome, Chiyoda-k, Tokyo 10, 〒1008310, JP)
TAKATA, Shigeo (7-3 Marunouchi 2-chome, Chiyoda-k, Tokyo 10, 〒1008310, JP)
KUSUBE, Shinsaku (7-3 Marunouchi 2-chome, Chiyoda-k, Tokyo 10, 〒1008310, JP)
KOBAYASHI, Takahiko (7-3 Marunouchi 2-chome, Chiyoda-k, Tokyo 10, 〒1008310, JP)
TANIGUCHI, Yoshihiro (7-3 Marunouchi 2-chome, Chiyoda-k, Tokyo 10, 〒1008310, JP)
Application Number:
JP2016/075772
Publication Date:
March 08, 2018
Filing Date:
September 02, 2016
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
MITSUBISHI ELECTRIC CORPORATION (7-3 Marunouchi 2-chome, Chiyoda-ku Tokyo, 10, 〒1008310, JP)
International Classes:
F25B1/00; F25B49/02
Attorney, Agent or Firm:
KISA PATENT & TRADEMARK FIRM (East 8F, TORANOMON TWIN BLDG. 10-1 Toranomon 2-chome, Minato-k, Tokyo 01, 〒1050001, JP)
Download PDF: