| 摘要 |
PROBLEM TO BE SOLVED: To provide a control device of a refrigeration cycle device capable of correctly estimating the torque of a compressor irrespective of the operating state of the compressor. SOLUTION: The refrigeration cycle device 1 applied to a vehicular air-conditioner includes a compressor 2, a condenser 3, a receiver 4, an expansion valve 5, and an evaporator 6. In the refrigeration cycle device 1, the final estimated torque TrqA of the compressor 2 is determined by using the estimated torque Trq0 of the compressor 2 sampled corresponding to the high pressure Ph in the high-pressure side area to be detected by a high-pressure sensor 31 and the fin temperature Tefin of an evaporator 6 to be detected by a temperature sensor 61, and the first estimated torque Trq1 of the compressor 2 estimated from the refrigerant flow rate Rflow in the high-pressure side area to be detected by the flow rate sensor 7. COPYRIGHT: (C)2010,JPO&INPIT
|
