VEHICLE AIR-CONDITIONING APPARATUS

摘要

An outdoor unit disposed under a floor of a vehicle and including a compressor and an outdoor heat exchanger serving as a condenser during a cooling operation, an indoor unit disposed at a ceiling portion of the vehicle, including an indoor heat exchanger serving as an evaporator during the cooling operation, and connected to the outdoor unit by refrigerant pipes, and an inverter unit including a cooling heat exchanger serving as an evaporator, an air-conditioning inverter device, and a cooling air-sending device sucking outdoor air for heat exchange by the cooling heat exchanger and cooling the inverter device by cooled air obtained by the heat exchange are provided; and the cooling heat exchanger is connected in parallel to the outdoor unit by refrigerant pipes.

主权项

1. A vehicle air-conditioning apparatus comprising:
an outdoor unit disposed under a floor of a vehicle and including a compressor and an outdoor heat exchanger serving as a condenser during a cooling operation; an indoor unit disposed at a ceiling portion of the vehicle, including an indoor heat exchanger serving as an evaporator during the cooling operation, and connected to the outdoor unit via a refrigerant pipe; and an inverter unit including a cooling heat exchanger serving as an evaporator, an air-conditioning inverter device, and a cooling air-sending device sucking outdoor air for heat exchange by the cooling heat exchanger and cooling the inverter device by cooled air obtained by the heat exchange, wherein the cooling heat exchanger is connected in parallel to the outdoor unit by a refrigerant pipe.