To provide a control method for a heat pump system, a control device for a heat pump system, and a heat pump circuit that can more quickly heat a heating object such as a battery in comparison to a conventional technique when performing d-axis electric conduction in the heat pump system that uses an electric powertrain as a heat source.SOLUTION: A control method for a heat pump system generates heat by an electric powertrain through d-axis electric conduction that increases the d-axis current of a rotary electric machine 21 when heating a target object 10, acquires the rotary electric machine temperature T2 being the temperature of the rotary electric machine 21, acquires the refrigerant temperature T1 being the temperature of the refrigerant circulating in a cooling circuit 11, separates the rotary electric machine 21 from the cooling circuit 11 when the rotary electric machine temperature T2 is lower than the refrigerant temperature T1, and increases the refrigerant temperature T1 by using the heat generated in an inverter 22 out of the rotary electric machine 21 and the inverter 22 through the d-axis electric conduction.SELECTED DRAWING: Figure 6
【課題】電動パワートレーンを熱源とするヒートポンプシステムにおいてd軸通電を行うときに、バッテリ等の加温対象を、従来よりも迅速に加温することができるヒートポンプシステムの制御方法、ヒートポンプシステムの制御装置、及び、ヒートポンプ回路を提供する。【解決手段】加温対象10を加温するときに、回転電機21のd軸電流を増加させるd軸通電によって電動パワートレーンで熱を生じさせる。そして、回転電機21の温度である回転電機温度T2を取得し、冷却回路11を循環する冷媒の温度である冷媒温度T1を取得し、回転電機温度T2が冷媒温度T1よりも低いときには、回転電機21を冷却回路11から切り離し、d軸通電によって、回転電機21及びインバータ22のうち、インバータ22で生じた熱を用いて冷媒温度T1を上昇させる。【選択図】図6
CONTROL METHOD FOR HEAT PUMP SYSTEM, CONTROL DEVICE FOR HEAT PUMP SYSTEM, AND HEAT PUMP CIRCUIT
ヒートポンプシステムの制御方法、ヒートポンプシステムの制御装置、及び、ヒートポンプ回路
2025-01-17
Patent
Electronic Resource
Japanese
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / 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 / F25B Kältemaschinen, Kälteanlagen oder Kälteverfahren , REFRIGERATION MACHINES, PLANTS, OR SYSTEMS / H02M APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS , Anlagen zur Umformung von Wechselstrom in Wechselstrom, von Wechselstrom in Gleichstrom oder umgekehrt, oder von Gleichstrom in Gleichstrom und zur Verwendung in Netzen oder ähnlichen Stromversorgungssystemen / H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS , Steuern oder Regeln von elektrischen Motoren, elektrischen Generatoren, dynamoelektrischen Umformern |
Heat pump assist device, heat pump system, control method for heat pump system, and vehicle
European Patent Office | 2024
|HEAT PUMP SYSTEM AND CONTROL METHOD FOR HEAT PUMP SYSTEM
European Patent Office | 2023
|Heat pump control method, heat pump system and electric vehicle
European Patent Office | 2024
|CO2 heat pump system refrigerant leakage control method and heat pump system
European Patent Office | 2023
|