Title:
REFRIGERATION CYCLE SYSTEM
Document Type and Number:
WIPO Patent Application WO/2021/010295
Kind Code:
A1
Abstract:
Provided is a refrigeration cycle system capable of achieving high reliability in terms of refrigerant leak countermeasures, without affecting the communication of control signals of a refrigeration cycle unit. An air conditioning system (100) comprises: an air conditioning unit including a use-side unit and a heat source-side unit which are connected by a refrigerant communication pipe; a communication line (46) used for the communication of control signals of the air-conditioning unit; a refrigerant sensor (34) that is communicably connected to the use-side unit and detects refrigerant leaks; a safety device that includes at least one of an alarm (70) that provides notification of a refrigerant leak when the refrigerant leak is detected, a ventilation device (60) that operates when the refrigerant leak is detected, and a shutoff valve device that closes shutoff valves (54,56) provided to the refrigerant communication pipe when the refrigerant leak is detected; and an interlock-dedicated first electric wire (92), which is different from the communication line and connects the use-side unit and the safety device. When the use-side unit and the safety device are not connected by the first electric wire, the operation of the heat source-side unit is not allowed.
Inventors:
FUKUYAMA YUUTA
MATSUOKA SHINYA
MATSUOKA SHINYA
Application Number:
PCT/JP2020/026928
Publication Date:
January 21, 2021
Filing Date:
July 09, 2020
Export Citation:
Assignee:
DAIKIN IND LTD (JP)
International Classes:
F25B49/02; F24F11/36
Foreign References:
| JP2019027663A | 2019-02-21 | |||
| JP2016211762A | 2016-12-15 | |||
| JP2019113258A | 2019-07-11 | |||
| JP2011094940A | 2011-05-12 | |||
| JPS61250569A | 1986-11-07 | |||
| JP2002232359A | 2002-08-16 | |||
| JP2016211762A | 2016-12-15 |
Other References:
See also references of EP 3998439A4
Attorney, Agent or Firm:
SHINJYU GLOBAL IP (JP)
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