Title:
DEVICE MANAGEMENT SYSTEM AND MANAGEMENT METHOD
Document Type and Number:
WIPO Patent Application WO/2023/135705
Kind Code:
A1
Abstract:
A device management system comprises: a plurality of devices each having a refrigerant; an acquisition unit that acquires measurement information indicating measurement results including refrigerant temperatures in the devices, electrical characteristics of the devices, and environment information around the devices; an estimation unit that estimates refrigerant amounts in the devices on the basis of the measurement information acquired by the acquisition unit, and device installation information relating to installation environments of the devices and device information relating to a preset device; and a data management unit that causes a storage unit to store each of the refrigerant amounts in the devices which have been estimated by the estimation unit in association with a refrigerant type.
Inventors:
KATO SHUN (JP)
YANO HIROTOSHI (JP)
YANO HIROTOSHI (JP)
Application Number:
PCT/JP2022/000914
Publication Date:
July 20, 2023
Filing Date:
January 13, 2022
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
F25B49/02
Domestic Patent References:
| WO2014017161A1 | 2014-01-30 | |||
| WO2014097440A1 | 2014-06-26 | |||
| WO2011111114A1 | 2011-09-15 |
Foreign References:
| JP2013250038A | 2013-12-12 | |||
| JP2017026262A | 2017-02-02 | |||
| JP2020180718A | 2020-11-05 | |||
| JP2004116885A | 2004-04-15 | |||
| JP2020177516A | 2020-10-29 |
Attorney, Agent or Firm:
NISHIZAWA Kazuyoshi et al. (JP)
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