Title:
DEVICE MANAGEMENT SYSTEM AND REFRIGERANT AMOUNT ESTIMATION METHOD
Document Type and Number:
WIPO Patent Application WO/2023/135696
Kind Code:
A1
Abstract:
This device management system comprises: a device having a refrigerant; an acquisition unit that acquires measurement information indicating the measurement results of refrigerant temperature in the device, electrical characteristics of the device, and environmental information surrounding the device; and an estimation unit that estimates the amount of refrigerant in the device on the basis of the measurement information acquired by the acquisition unit, and preset device information for the device and device installation information related to the installation environment of the device.
Inventors:
KATO SHUN (JP)
YANO HIROTOSHI (JP)
YANO HIROTOSHI (JP)
Application Number:
PCT/JP2022/000849
Publication Date:
July 20, 2023
Filing Date:
January 13, 2022
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
F24F11/48; F24F11/38; F25B49/02
Domestic Patent References:
| WO2014017161A1 | 2014-01-30 | |||
| WO2011111114A1 | 2011-09-15 | |||
| WO2010021101A1 | 2010-02-25 | |||
| WO2016174767A1 | 2016-11-03 | |||
| WO2010113804A1 | 2010-10-07 |
Foreign References:
| JP2017026262A | 2017-02-02 | |||
| JP2013250038A | 2013-12-12 | |||
| JPS4635331Y1 | 1971-12-06 | |||
| JP2010048433A | 2010-03-04 | |||
| JP2009079842A | 2009-04-16 |
Attorney, Agent or Firm:
NISHIZAWA Kazuyoshi et al. (JP)
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