Title:
FREEZING DEVICE
Document Type and Number:
WIPO Patent Application WO/2016/088153
Kind Code:
A1
Abstract:
This freezing device is provided with: a refrigerated storage compartment 1; a refrigerant circuit 16 in which a compressor 7, a condenser 8, an expansion valve 11, and an evaporator 12 are connected in a loop; an evaporator fan 13; a trapped worker alarm switch 5 able to be turned on by a worker inside the compartment; a defrosting means 17 for eliminating frost from the evaporator 12; an operation switching means of a control device 4 for switching between refrigeration operation to refrigerate the refrigerated storage compartment 1 interior and defrost operation to eliminate frost from the evaporator 12; and a first operation control means of the control device 4, for switching to defrost operation when the trapped worker alarm switch 5 is turned on during refrigeration operation, and continuing in defrost operation when the trapped worker alarm switch 5 is turned on during defrost operation, thereby quickly raising the temperature inside the compartment and reducing the risk of endangering life when a worker has become shut inside the refrigerated storage compartment.
Inventors:
KONO RYUICHIRO (JP)
Application Number:
PCT/JP2014/006050
Publication Date:
June 09, 2016
Filing Date:
December 04, 2014
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
F25D23/00; F25D17/06; F25D21/08
Foreign References:
| JP2001280816A | 2001-10-10 | |||
| JPH0599555A | 1993-04-20 | |||
| JP2013221719A | 2013-10-28 | |||
| JP2013253740A | 2013-12-19 | |||
| JPS588972A | 1983-01-19 | |||
| JPS63140278A | 1988-06-11 | |||
| JP2005134090A | 2005-05-26 | |||
| JPS5613228A | 1981-02-09 | |||
| JPS4721262U | 1972-11-09 |
Attorney, Agent or Firm:
INABA, Tadahiko et al. (JP)
Tadahiko Inaba (JP)
Tadahiko Inaba (JP)
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