To provide a constant temperature transport system, a vehicle and a control method capable of curbing a reduction in heating performance.SOLUTION: A constant temperature transport system comprises: a compressor 21 which compresses a coolant; a storage exterior heat exchanger 24 which is connected to a downstream side of the compressor 21; a storage interior heat exchanger 29 which is connected to the downstream side of the storage exterior heat exchanger 24; a hot gas bypass passage 33 which is connected to a discharge side of the compressor 21 and supplies the coolant to the storage interior heat exchanger 29 by bypassing the storage exterior heat exchanger 24; an expansion valve 34 which is installed in the hot gas bypass passage 33; a temperature detection section 35 which detects an air temperature related to the storage interior heat exchanger 29; a pressure detection section 36 which detects coolant pressure at an exit side of the storage interior heat exchanger 29; and a control section which controls the expansion valve 34 so that a saturation temperature corresponding to pressure becomes lower than the air temperature by a predetermined temperature at the exit side of the storage interior heat exchanger 29.SELECTED DRAWING: Figure 1

    【課題】加温能力の低下を抑制することのできる定温輸送用システム及び車両、並びに制御方法を提供する。【解決手段】定温輸送用システムは、冷媒を圧縮する圧縮機21と、圧縮機21の下流側に接続された庫外熱交換器24と、庫外熱交換器24の下流側に接続された庫内熱交換器29と、圧縮機21の吐出側に接続され、庫外熱交換器24をバイパスして庫内熱交換器29へ冷媒を供給するホットガスバイパス経路33と、ホットガスバイパス経路33に設けられた膨張弁34と、庫内熱交換器29に係る空気の温度を検出する温度検出部35と、庫内熱交換器29の出口側の冷媒の圧力を検出する圧力検出部36と、庫内熱交換器29の出口側において、圧力に対応した飽和温度が温度よりも所定温度低くなるように膨張弁34を制御する制御部とを備える。【選択図】図1


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    Title :

    CONSTANT TEMPERATURE TRANSPORT SYSTEM, VEHICLE AND CONTROL METHOD


    Additional title:

    定温輸送用システム及び車両、並びに制御方法



    Publication date :

    2023-09-07


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    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 / F25B Kältemaschinen, Kälteanlagen oder Kälteverfahren , REFRIGERATION MACHINES, PLANTS, OR SYSTEMS



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