Title:
VENTILATION DEVICE AND CONTROL METHOD FOR VENTILATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/112437
Kind Code:
A1
Abstract:
This ventilation device comprises: a compressor; a first heat exchanger provided to a first path whereby outdoor air is supplied indoors; a second heat exchanger provided to a second path whereby the air indoors is discharged outdoors; a refrigerant circuit through which a refrigerant flows internally and in which the compressor, the first heat exchanger, and the second heat exchanger are connected by refrigerant piping; and a control unit that estimates the state of dirtiness of the second heat exchanger and performs control so that the second heat exchanger is cleaned in accordance with the result of estimating the state of dirtiness.
Inventors:
ODO TSUNAHIRO (JP)
TAKAHASHI TAKASHI (JP)
TSURUZONO SHOTA (JP)
TAKAHASHI TAKASHI (JP)
TSURUZONO SHOTA (JP)
Application Number:
PCT/JP2022/037105
Publication Date:
June 22, 2023
Filing Date:
October 04, 2022
Export Citation:
Assignee:
DAIKIN IND LTD (JP)
International Classes:
F24F1/18; F24F12/00; F24F5/00; F24F7/007; F24F7/08; F24F11/49; F24F11/61; F24F11/63; F28G1/16; F24F110/60; F24F110/65; F24F120/14
Foreign References:
| JP2004144401A | 2004-05-20 | |||
| JP2018189257A | 2018-11-29 | |||
| JP2021038868A | 2021-03-11 | |||
| CN111947281A | 2020-11-17 | |||
| JP2001355904A | 2001-12-26 | |||
| JP2004037036A | 2004-02-05 |
Attorney, Agent or Firm:
ITOH, Tadashige et al. (JP)
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