Title:
制御装置及び車両用空調装置
Document Type and Number:
Japanese Patent JP6459714
Kind Code:
B2
Abstract:
A control device (4) detects a frosted state or a pre-frosting state of an evaporator in a refrigeration cycle device (2, 102) which includes multiple evaporators (24A, 24B, 24C, 24D). The control device controls a frosting determination temperature (FT), which is a temperature of a predetermined representative evaporator among the multiple evaporators or a temperature related to the temperature of the representative evaporator, to be lower than temperatures of the other evaporators other than the representative evaporator (step S30). The control device determines that the multiple evaporators are in the frosted state or the pre-frosting state when the frosting determination temperature is lower than or equal to a frosting threshold temperature in a state where the temperature of the representative evaporator is controlled to be lowest among the multiple evaporators (step S40, step S41). Accordingly, the number of temperature detectors used for detecting frosting of the multiple evaporators can be reduced.
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Inventors:
Kenji Teshima
Application Number:
JP2015069951A
Publication Date:
January 30, 2019
Filing Date:
March 30, 2015
Export Citation:
Assignee:
株式会社デンソー
International Classes:
F25B47/02; B60H1/32; F25B5/02
Domestic Patent References:
| JP2014102009A | ||||
| JP59065375U |
Attorney, Agent or Firm:
Kazuyuki Yahagi
Taihei Nonobe
Takanori Kubo
Taihei Nonobe
Takanori Kubo