| 摘要 |
PROBLEM TO BE SOLVED: To improve commodity cooling performance and energy-saving effect in a vending machine while reducing machine costs. SOLUTION: For switching between a 2-cold insulation storage box parallel mode for cooling the inside of both the boxes of first and second commodity storage boxes 4A, 4B by an evaporator, and a heat insulating storage parallel mode for cooling the inside of the storage of the first commodity storage box 4A by the evaporator 10 and heating the inside of the storage of the second commodity storage box 4B by a heating means 14, a switching means 12 is provided to switch the air supply path of cool air between a switching state for the 2-cold insulation storage box parallel mode for supplying air that is cooled by the evaporator 10 to both of the first and second commodity storage boxes 4A, 4B, and a switching state for the heat insulating storage parallel mode for supplying air that is cooled by the evaporator 10 only to the first commodity storage box 4A. An electronic control expansion valve 29 as an expansion mechanism for a refrigerating circuit R is provided, and a control means 33 for controlling the electronic control expansion valve 29 according to the state of a refrigerant in the refrigerating circuit R is provided. COPYRIGHT: (C)2004,JPO
|
