VEHICULAR TEMPERATURE REGULATOR AND CONTROL METHOD OF VEHICULAR TEMPERATURE REGULATOR

To provide a vehicular temperature regulator and a control method of a vehicular temperature regulator which can enhance a heating capability of a compressor, as one embodiment of the present invention.SOLUTION: The vehicular temperature regulator comprises: a first circuit C1 through which a first heat medium flows; an accumulator 71 that subjects the first heat medium to gas-liquid separation; a compressor 72 that compresses the first heat medium; a heat exchanger 73 for air-conditioning that performs heat-exchange between the first heat medium and air; a first expansion valve; a second expansion valve; and a heat-exchange amount regulating part 20 that regulates a heat-exchange amount in the heat exchanger for air-conditioning. The first circuit has a first loop and a first sub loop which circulate the first heat medium at the same time. The first loop passes through the accumulator, the compressor, the heat exchanger for air-conditioning and the first expansion valve in this order to circulate the first heat medium. The first sub loop passes through the accumulator, the compressor and the second expansion valve in this order to circulate the first heat medium.SELECTED DRAWING: Figure 1 【課題】本発明の一つの態様は、圧縮機の加熱能力を高めることができる車両用温調装置および車両用温調装置の制御方法の提供を目的の一つとする。【解決手段】第１熱媒体が流れる第１回路Ｃ１と、第１熱媒体を気液分離するアキュムレータ７１と、第１熱媒体を圧縮する圧縮機７２と、第１熱媒体と空気との間で熱交換を行う空調用熱交換器７３と、第１の膨張弁と、第２の膨張弁と、空調用熱交換器における熱交換量を調整する熱交換量調整部２０と、を備える。第１回路は、第１熱媒体を同時に循環させる第１ループおよび第１サブループを有する。第１ループは、アキュムレータ、圧縮機、空調用熱交換器、および第１の膨張弁、の順で通過して第１熱媒体を循環させる。第１サブループは、アキュムレータ、圧縮機、および第２の膨張弁、の順で通過して第１熱媒体を循環させる。【選択図】図１