| 摘要 |
PROBLEM TO BE SOLVED: To simplify a device by integrally constructing and incorporating all structural elements for basic control of an electronic expansion valve in a same housing while solving the problems that the energy saving control of a refrigerator or an air-conditioner depends on a degree of superheating refrigerant, the structural elements required for controlling the degree of superheating the refrigerant currently use combination of products made by different manufacturers to preclude complete control with control parameters different each time, and piping and wiring work is complicated at an installation site for the refrigerator/air-conditioner. SOLUTION: The device executes the control of the degree of superheating of the refrigerant with the control of a closed loop in the housing. An electronic control part is wired with simple conductors of a power line and a serial line. Thus, communication can be carried out between the electronic control part and an external device through the power line and the serial line. Operation in coordination with an external refrigerator/air-conditioner can also be performed through a serial communication line. COPYRIGHT: (C)2006,JPO&NCIPI
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