Title:
冷凍システム
Document Type and Number:
Japanese Patent JP6583779
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a refrigeration system capable of automatically adjusting an operation of a showcase in accordance with a priority by appropriately determining an abnormality of the showcase.SOLUTION: A refrigerant circuit is constituted by a compressor 10, a condenser, indoor expansion valves 17 and evaporators, and a plurality of showcases 3 cooled by the evaporators are provided. A control section 31 calculates an individual deviation integration value by integrating a deviation for each showcase 3 obtained in a first cycle in a range of a third cycle longer than the first cycle and shorter than a second cycle, and determines an abnormality of the showcase 3 when the individual deviation integration value exceeds a preset individual management value. When determining that the abnormality of the showcase 3, the control section 31 performs automatic adjustment to correct the abnormality of the showcase 3 in accordance with a preset priority of the showcase 3.SELECTED DRAWING: Figure 2
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Inventors:
Eiko Nagata
Kazuhiko Mihara
Shibata Norio
Masaru Koshiba
Yokozuka Makoto
Kentaro Mitsui
Kazuhiko Mihara
Shibata Norio
Masaru Koshiba
Yokozuka Makoto
Kentaro Mitsui
Application Number:
JP2015179493A
Publication Date:
October 02, 2019
Filing Date:
September 11, 2015
Export Citation:
Assignee:
Panasonic IP Management Co., Ltd.
International Classes:
F25B49/02; F25B1/00; F25D11/00; F25D23/00
Domestic Patent References:
| JP2008286474A | ||||
| JP2007085569A | ||||
| JP4120585U | ||||
| JP2013142516A | ||||
| JP10281615A | ||||
| JP4198653A | ||||
| JP2013011398A |
Attorney, Agent or Firm:
Patent Business Corporation Kushibuchi International Patent Office