A refrigeration cycle unit for a vehicle, which is interposed between an exterior heat exchanger and an interior heat exchanger, and which exchanges heat between secondary refrigerants flowing through the exterior heat exchanger and the interior heat exchanger. The vehicle refrigeration cycle unit is provided with: a refrigeration cycle having a compressor, a condenser, an expansion valve, and an evaporator through which a primary refrigerant flows in this order; an outdoor flow path for circulating a secondary refrigerant between the evaporator and the vehicle outdoor heat exchanger; an indoor flow path for circulating a secondary refrigerant between the condenser and the vehicle interior heat exchanger; a pair of flow path switching valves that connect the outdoor flow path and the indoor flow path so as to be able to switch the flow states of the outdoor flow path and the indoor flow path; a first bypass flow path provided in parallel with the outdoor flow path and bypassing the evaporator; and a first flow rate adjusting part for adjusting the flow rate of the secondary refrigerant flowing into the evaporator.
一种车辆用制冷循环单元,介于车室外热交换器和车室内热交换器之间,使分别在这些车室外热交换器和车室内热交换器流通的二次制冷剂彼此进行热交换,该车辆用制冷循环单元具备:具有供一次制冷剂依次流通的压缩机、冷凝器、膨胀阀及蒸发器的制冷循环;使二次制冷剂在蒸发器与车室外热交换器之间循环的室外流路;使二次制冷剂在冷凝器与车室内热交换器之间循环的室内流路;以能够切换室外流路和室内流路的流通状态的方式将室外流路和室内流路连接的一对流路切换阀;与室外流路并列设置,并且绕过蒸发器的第一旁通流路;以及调节流入蒸发器的二次制冷剂的流量的第一流量调节部。
Refrigeration cycle unit for vehicle
车辆用制冷循环单元
2024-03-08
Patent
Electronic Resource
Chinese
IPC: | 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 |