BEVERAGE COOLER

PROBLEM TO BE SOLVED: To enable accurately detecting a thickness of an ice regardless of the presence of outside noise when detecting the thickness of the ice formed around a steam generating tube provided in a cooling water storage of a beverage cooler.SOLUTION: A beverage cooler 10 includes: a detecting circuit 20 for detecting electric voltage at a connection point 21a of a fixed resistance 22 and a variable resistance 23 when predetermined AC voltage is applied to both ends of a partial pressure circuit 21 to which the fixed resistance 22 and the variable resistance 23 formed between first and second electrodes 15, 16 are connected in series; and a control unit 30 for controlling actuation of a freezer device 13 based on the voltage detected by the detecting circuit 20. The detecting circuit 20 includes a half-wave rectifier circuit 24 for converting the AC voltage of the connection point 21a to DC voltage, and inputs the DC voltage converted by the half-wave rectifier circuit 24 to the control unit 30. The control unit 30 controls the actuation of the freezer device 13 based on the difference between the maximum and minimum values of a flow of the DC voltage converted by the half-wave rectifier circuit 24. 【課題】飲料冷却装置の冷却水槽内に設けた蒸発管の周囲に形成される氷の厚みを検知するときに、外部からのノイズの有無に関わらず正確に氷の厚みを検知できるようにする。【解決手段】飲料冷却装置１０においては、固定抵抗２２と、第１及び第２電極１５，１６間に形成される可変抵抗２３とを直列に接続した分圧回路２１の両端に所定の交流電圧を印可したときの固定抵抗２２と可変抵抗２３との接続点２１ａの電圧を検知する検知回路２０と、検知回路２０の検知電圧に基づいて冷凍装置１３の作動を制御する制御装置３０とを備え、検知回路２０は、接続点２１ａの交流電圧を直流電圧に変換する半波整流回路２４を備え、この半波整流回路２４により変換した直流電圧を制御装置３０に入力し、制御装置３０は半波整流回路２４により変換された直流電圧の脈流の最大値と最小値との差に基づいて冷凍装置１３の作動を制御した。【選択図】図４