Title:
REFRIGERANT LEAKAGE DETECTION DEVICE AND REFRIGERATION CYCLE DEVICE INCLUDING THE SAME
Document Type and Number:
Japanese Patent JP2018028392
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a refrigerant leakage detection device which is less likely to be affected by secular change, eliminates needs of heating and discharging, and can accurately detect occurrence of refrigerant leakage.SOLUTION: A refrigerant leakage detection device includes: a light emitting part 41 which is provided within a housing, which houses a refrigerant pipeline 30 enclosing a refrigerant gas, and emits infrared rays; a light receiving part 42 which is provided within the housing and receives the infrared rays emitted from the light emitting part 41; and a refrigerant leakage detection part which detects occurrence of leakage of the refrigerant gas in the housing on the basis of an infrared ray receiving state in the light receiving part 42.SELECTED DRAWING: Figure 4
Inventors:
KAWASHIMA MITSURU
MAEDA AKIRA
KOMAI TAKAO
SUZUKI YASUMASA
MAEDA AKIRA
KOMAI TAKAO
SUZUKI YASUMASA
Application Number:
JP2014262699A
Publication Date:
February 22, 2018
Filing Date:
December 25, 2014
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP
International Classes:
F25B49/02; F16L59/147; F24F11/30; F24F11/62; F24F11/88; F24F11/89; G01M3/02
Attorney, Agent or Firm:
Mamoru Takada
Hideki Takahashi
Jiro Ozawa
Hideki Takahashi
Jiro Ozawa