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    • 4. 发明授权
    • Method for controlling operation of a vapour compression system in a subcritical and a supercritical mode
    • 用于控制亚临界和超临界模式的蒸气压缩系统的运行的方法
    • US09395112B2
    • 2016-07-19
    • US14128271
    • 2012-07-03
    • Jan Prins
    • Jan Prins
    • F25B49/00F25B49/02F25B9/00
    • F25B49/022F25B9/008F25B49/02F25B2309/061F25B2341/0662F25B2400/13F25B2400/16F25B2500/19F25B2600/17F25B2600/2503F25B2700/21163
    • A method for controlling operation of a vapor compression system (1), and a vapor compression system (1) are disclosed. The vapor compression system (1) comprises a compressor (2), a heat rejecting heat exchanger (3), a controllable valve (4), a receiver (5), at least one expansion device and at least one evaporator arranged along a refrigerant path having refrigerant flowing therein. The vapor compression system (1) is capable of being operated in a subcritical control regime as well as in a supercritical control regime.The method comprises the steps of measuring a temperature, TGC, of refrigerant leaving the heat rejecting heat exchanger; calculating a pressure reference, PGC, Ref, based on the measured temperature, TGC, and using a calculation formula being applicable to the subcritical control regime as well as to the supercritical control regime; and controlling an opening degree of the controllable valve in order to obtain a pressure of refrigerant leaving the heat rejecting heat exchanger which is equal to the calculated pressure reference, PGC, Ref.Since the calculation formula is applicable to the subcritical control regime as well as to the supercritical control regime, only one calculation formula is necessary, and the vapor compression system (1) can thereby be controlled in a very easy manner.
    • 公开了一种用于控制蒸气压缩系统(1)和蒸汽压缩系统(1)的操作的方法。 蒸气压缩系统(1)包括压缩机(2),排热热交换器(3),可控阀(4),接收器(5),至少一个膨胀装置和至少一个沿着制冷剂排列的蒸发器 在其中流动制冷剂的路径。 蒸气压缩系统(1)能够在亚临界控制方式以及超临界控制方式下运行。 该方法包括测量离开排热热交换器的制冷剂的温度TGC的步骤; 基于测量温度TGC计算压力参考值PGC,Ref,并使用适用于亚临界控制方案以及超临界控制方案的计算公式; 并且控制可控阀的开度以获得离开排热热交换器的制冷剂压力等于所计算的压力参考值PGC,Ref。 由于计算公式适用于亚临界控制方案和超临界控制方案,因此只需要一个计算公式,从而可以非常容易地控制蒸气压缩系统(1)。
    • 5. 发明申请
    • METHOD FOR CONTROLLING OPERATION OF A VAPOUR COMPRESSION SYSTEM IN A SUBCRITICAL AND A SUPERCRITICAL MODE
    • 用于控制亚临界和超临界模式中的蒸汽压缩系统的操作的方法
    • US20140116075A1
    • 2014-05-01
    • US14128271
    • 2012-07-03
    • Jan Prins
    • Jan Prins
    • F25B49/02F25B9/00
    • F25B49/022F25B9/008F25B49/02F25B2309/061F25B2341/0662F25B2400/13F25B2400/16F25B2500/19F25B2600/17F25B2600/2503F25B2700/21163
    • A method for controlling operation of a vapour compression system (1), and a vapour compression system (1) are disclosed. The vapour compression system (1) comprises a compressor (2), a heat rejecting heat exchanger (3), a controllable valve (4), a receiver (5), at least one expansion device and at least one evaporator arranged along a refrigerant path having refrigerant flowing therein. The vapour compression system (1) is capable of being operated in a subcritical control regime as well as in a supercritical control regime.The method comprises the steps of measuring a temperature, TGC, of refrigerant leaving the heat rejecting heat exchanger; calculating a pressure reference, PGC, Ref, based on the measured temperature, TGC, and using a calculation formula being applicable to the subcritical control regime as well as to the supercritical control regime; and controlling an opening degree of the controllable valve in order to obtain a pressure of refrigerant leaving the heat rejecting heat exchanger which is equal to the calculated pressure reference, PGC, Ref.Since the calculation formula is applicable to the subcritical control regime as well as to the supercritical control regime, only one calculation formula is necessary, and the vapour compression system (1) can thereby be controlled in a very easy manner.
    • 公开了一种用于控制蒸气压缩系统(1)和蒸汽压缩系统(1)的操作的方法。 蒸气压缩系统(1)包括压缩机(2),排热热交换器(3),可控阀(4),接收器(5),至少一个膨胀装置和至少一个沿着制冷剂排列的蒸发器 在其中流动制冷剂的路径。 蒸气压缩系统(1)能够在亚临界控制方式以及超临界控制方式下运行。 该方法包括测量离开排热热交换器的制冷剂的温度TGC的步骤; 基于测量温度TGC计算压力参考值PGC,Ref,并使用适用于亚临界控制方案以及超临界控制方案的计算公式; 并且控制可控阀的开度以获得离开排热热交换器的制冷剂压力等于所计算的压力参考值PGC,Ref。 由于计算公式适用于亚临界控制方案和超临界控制方案,因此只需要一个计算公式,从而可以非常容易地控制蒸气压缩系统(1)。