To provide a motor control device capable of changing rotational frequency while securing rotation followability of a motor.SOLUTION: An integrated valve device 24 switches a refrigerant flow in a refrigeration cycle device between a heating mode and a cooling mode, and it includes: a single motor 26; and a valve body part 25 having first to third valves 31-33 opened/closed based on a diving force of the motor 26. Then, an integrated valve ECU 27 for controlling the drive of the motor 26 includes a drive current control part 27a for performing rotational frequency stepwise variable control in which the rotational frequency of the motor 26 is varied stepwise.SELECTED DRAWING: Figure 2
【課題】モータの回転追従性を確保しつつ回転数を変化させることを可能としたモータ制御装置を提供する。【解決手段】統合弁装置24は、冷凍サイクル装置における冷媒の流れを暖房モードと冷房モードとで切り替えるものであって、単一のモータ26と、該モータ26の駆動力に基づいて開閉される第1〜第3弁31〜33を有する弁本体部25とを備える。そして、モータ26の駆動を制御する統合弁ECU27は、モータ26の回転数を段階的に変化させる回転数段階可変制御を行う駆動電流制御部27aを備える。【選択図】図2
MOTOR CONTROL DEVICE, INTEGRATED VALVE DEVICE AND HEAT EXCHANGER
モータ制御装置、統合弁装置及び熱交換器
03.10.2019
Patent
Elektronische Ressource
Japanisch
IPC: | F25B Kältemaschinen, Kälteanlagen oder Kälteverfahren , REFRIGERATION MACHINES, PLANTS, OR SYSTEMS / B60H ARRANGEMENTS OR ADAPTATIONS OF HEATING, COOLING, VENTILATING, OR OTHER AIR-TREATING DEVICES SPECIALLY FOR PASSENGER OR GOODS SPACES OF VEHICLES , Anordnung oder Einbau der Heizung, Kühlung, Lüftung oder anderer Luftbehandlungsvorrichtungen für die Fahrzeugräume für Reisende oder Fracht / F16K VALVES , Ventile |
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