Title:
COOLING DEVICE, REFRIGERANT LEAKAGE DETECTION DEVICE, AND REFRIGERANT LEAKAGE DETECTION METHOD
Document Type and Number:
WIPO Patent Application WO/2023/140145
Kind Code:
A1
Abstract:
This cooling device comprises: a refrigerant circuit (11) in which a refrigerant circulates; a refrigerant sensor (51) for detecting leakage of the refrigerant; and a control unit (7) that executes a detection operation including a first intermittent operation in which the refrigerant sensor (51) is caused to be energized and de-energized, alternatingly. In the midst of the detection operation, the control unit (7) controls the switching of the energization and de-energization of the refrigerant sensor (51) so that the refrigerant sensor (51) detects, within a first period, refrigerant of a first concentration.
Inventors:
KITAGAWA NATSUKO (JP)
TOYOTA RYUICHI (JP)
TOYOTA RYUICHI (JP)
Application Number:
PCT/JP2023/000298
Publication Date:
July 27, 2023
Filing Date:
January 10, 2023
Export Citation:
Assignee:
DAIKIN IND LTD (JP)
International Classes:
F24F11/36; F24F11/526; F25B49/02
Foreign References:
| JP2017180927A | 2017-10-05 | |||
| JP2020051648A | 2020-04-02 | |||
| JP2017172910A | 2017-09-28 | |||
| JP2019113283A | 2019-07-11 |
Attorney, Agent or Firm:
MAEDA & PARTNERS (JP)
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