To provide a refrigeration machine for transportation that has further improved efficiency.SOLUTION: A refrigeration machine for transportation comprises an indoor heat exchanger for exchanging heat between air in a refrigerating chamber and a first refrigerant, a first compressor for compressing and supplying the first refrigerant to the indoor heat exchanger, a first inverter for driving the first compressor, an outdoor heat exchanger for exchanging heat between outside air and a second refrigerant, a second compressor for compressing and supplying the second refrigerant to the outdoor heat exchanger, a second inverter for driving the second compressor, an intermediate heat exchanger for exchanging heat between the first refrigerant flowing from the first compressor and the second refrigerant flowing from the outdoor heat exchanger, and a control unit for sending a driving signal to the first inverter and the second inverter on the basis of a temperature difference between the inside of the refrigerating chamber and the outside air.SELECTED DRAWING: Figure 2
【課題】効率がさらに向上した輸送用冷凍機械を提供する。【解決手段】輸送用冷凍機械は、冷凍室内の空気と第一冷媒とを熱交換させる室内熱交換器と、室内熱交換器に第一冷媒を圧縮して供給する第一圧縮機と、第一圧縮機を駆動する第一インバータと、外気と第二冷媒とを熱交換させる室外熱交換器と、室外熱交換器に第二冷媒を圧縮して供給する第二圧縮機と、第二圧縮機を駆動する第二インバータと、第一圧縮機から流通する第一冷媒と室外熱交換器から流通する第二冷媒とを熱交換させる中間熱交換器と、冷凍室内と外気との温度差に基づいて、第一インバータ、及び第二インバータに駆動信号を送出する制御部と、を備える。【選択図】図2
REFRIGERATING MACHINE FOR TRANSPORTATION
輸送用冷凍機械
2021-12-27
Patent
Elektronische Ressource
Japanisch
IPC: | F25D REFRIGERATORS , Kühlschränke / 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 / B60P Fahrzeuge zum Transport von Lasten oder zum Befördern, Tragen oder Aufnehmen besonderer Lasten oder Gegenstände , VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS / B62D MOTOR VEHICLES , Motorfahrzeuge / F25B Kältemaschinen, Kälteanlagen oder Kälteverfahren , REFRIGERATION MACHINES, PLANTS, OR SYSTEMS |
Refrigerating plant used in carbon dioxide transportation
Europäisches Patentamt | 2020
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