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Title:
AIR CONDITIONER
Document Type and Number:
WIPO Patent Application WO/2022/168204
Kind Code:
A1
Abstract:
This air conditioning device (1) has an outdoor unit (2) including a three-phase AC power supply (21), a compressor (29) for compressing a refrigerant, and an inverter circuit (30) for controlling the compressor (29). The outdoor unit (2) has a drive microcomputer (31) that drives the inverter circuit (30), a second diode bridge (34) connected to the inverter circuit (30), a first relay (36) arranged in a first wiring (22), a second relay (37) arranged in a third wiring (24), an inrush resistance (38), and a third relay (39) connected to the first wiring (22) and the inrush resistance (38). After the compressor (29) is shut down, the drive microcomputer (31) turns off the first relay (36), the second relay (37), and the third relay (39).

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Inventors:
TAKIGAWA YOHEI (JP)
Application Number:
PCT/JP2021/003943
Publication Date:
August 11, 2022
Filing Date:
February 03, 2021
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
F24F11/88; F24F11/56
Foreign References:
JP2013137138A2013-07-11
JP2012251710A2012-12-20
JP2015148372A2015-08-20
JP2005253282A2005-09-15
Attorney, Agent or Firm:
TAKAMURA, Jun (JP)
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