REFRIGERATION CYCLE DEVICE

To provide a refrigeration cycle device that can restrain a decrease in refrigerant leakage detection accuracy caused by condensation in a sensor comprising a light emitting part and a light receiving part.SOLUTION: A refrigeration cycle device comprises: a heat exchanger provided in a housing 10, and inside of which a refrigerant flows; a light emitting part 120 provided in the housing 10, and for emitting infrared rays; a light receiving part 130 provided in the housing 10, and for receiving the infrared rays emitted from the light emitting part 120; a case member 110 provided in the housing 10, inside of which the light emitting part 120 and the light receiving part 130 are housed, and in which a gas intake port 111 is formed; and a refrigerant leakage detection part 41 for detecting occurrence of leakage of the refrigerant in the housing 10 on the basis of a light receiving state of the infrared rays by the light receiving part 130. The light emitting part 120 is arranged below the light receiving part 130.SELECTED DRAWING: Figure 3 【課題】発光部及び受光部を有するセンサにおける結露に起因する冷媒漏洩検知精度の低下を抑制できる冷凍サイクル装置を提供する。【解決手段】冷凍サイクル装置は、筐体１０内に設けられ内部に冷媒が流通する熱交換器と、筐体１０内に設けられ赤外線を射出する発光部１２０と、筐体１０内に設けられ発光部１２０から射出された赤外線を受光する受光部１３０と、筐体１０内に設けられ発光部１２０及び受光部１３０が内部に収容されガス取込口１１１が形成されたケース部材１１０と、受光部１３０による赤外線の受光状態に基づいて筐体１０内での冷媒の漏洩の発生を検知する冷媒漏洩検知部４１とを備える。発光部１２０は、受光部１３０よりも下側に配置される。【選択図】図３