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    • 1. 发明申请
    • REFRIGERATION SYSTEM AND METHOD FOR OPERATING A REFRIGERATION SYSTEM
    • 制冷系统和操作制冷系统的方法
    • WO2012095186A1
    • 2012-07-19
    • PCT/EP2011/050484
    • 2011-01-14
    • CARRIER CORPORATIONHUFF, Hans-JoachimSIENEL, Tobias
    • HUFF, Hans-JoachimSIENEL, Tobias
    • F25B1/10F25B31/00
    • F25B41/043F25B1/10F25B31/004F25B41/04F25B49/02F25B2309/061F25B2400/075F25B2400/13F25B2400/23
    • A refrigeration system (2) comprises a condenser/gas cooler (4), an intermediate expansion device (6) and a refrigerant collecting container (8); a normal refrigeration branch (10) connecting the refrigerant collecting container (8) to the condenser/ gas cooler (4) said normal refrigeration branch (12) comprising a first expansion device (12), a first evaporator (14) and a compressor unit (16) of the normal refrigeration branch (10); a freezing branch (18) connecting the refrigerant collecting container (8) to the the condenser/ gas cooler (4), said freezing branch (18) comprising a second expansion device (20), a second evaporator (22), and a first compressor unit (24) and a second compressor unit (26) of said freezing branch (18), the first and second compressor units (24, 26) of the freezing branch (18) being connected in series. A flash gas line (28) is provided connecting the gas space of the refrigerant collecting container (8) to the line connecting the first compressor unit (24) to the second compressor unit (26) of said freezing branch (18). Refrigerant conduits for connecting said elements and for circulating a refrigerant therethrough are also provided.
    • 制冷系统(2)包括冷凝器/气体冷却器(4),中间膨胀装置(6)和制冷剂收集容器(8); 将所述制冷剂收集容器(8)与所述冷凝器/气体冷却器(4)连接的通常制冷分支(10),所述正常制冷分支(12)包括第一膨胀装置(12),第一蒸发器(14)和压缩机单元 (16); 将制冷剂收集容器(8)连接到冷凝器/气体冷却器(4)的冷冻分支(18),所述冷冻分支(18)包括第二膨胀装置(20),第二蒸发器(22)和第一蒸发器 压缩机单元(24)和所述冷冻分支(18)的第二压缩机单元(26),冷冻分支(18)的第一和第二压缩机单元(24,26)串联连接。 提供了将制冷剂收集容器(8)的气体空间连接到连接第一压缩机单元(24)到所述冷冻分支(18)的第二压缩机单元(26)的管线的闪蒸气管线(28)。 还提供了用于连接所述元件并使制冷剂循环通过的制冷剂管道。
    • 8. 发明申请
    • COOLING SYSTEM
    • 冷却系统
    • WO2013159827A1
    • 2013-10-31
    • PCT/EP2012/057812
    • 2012-04-27
    • CARRIER CORPORATIONHELLMANN, SaschaHUFF, Hans-Joachim
    • HELLMANN, SaschaHUFF, Hans-Joachim
    • F25B49/02F25B7/00F25B40/02
    • F25B7/00F25B40/02F25B49/02F25B2400/075F25B2400/13F25B2600/19F25B2700/21162F25B2700/21163
    • A cooling system comprises a refrigeration circuit (1) circulating a refrigerant and comprising in the flow direction of the refrigerant at least one compressor (2a, 2b, 2c, 2d); at least one condenser (4); at least one expansion device (8, 10); and at least one evaporator (11) for providing a cooling capacity. The cooling system further comprises a subcooling circuit (20) for subcooling the refrigerant circulating in the refrigeration circuit (1), the subcooling circuit (20) being configured to circulate a subcooling refrigerant and comprising at least one subcooler compressor (22, 23); at least one heat exchange means (6, 7) being arranged downstream of the at least one condenser (4) and being configured for heat exchange between the refrigeration circuit (1) and the subcooling circuit (20), the at least one heat exchange means (6, 7) comprising at least one temperature sensor; and a control unit (15) which is configured for controlling at least one compressor (2a, 2b, 2c, 2d) of the refrigeration circuit (1) and at least one subcooler compressor (22, 23) of the subcooling circuit (20) such that the cooling capacity to be provided by the at least one evaporator (11) is met and such that the temperature at the at least one heat exchange means (6, 7) measured by at least one temperature sensor is in a predetermined range.
    • 冷却系统包括使制冷剂循环并在所述制冷剂的流动方向上包括至少一个压缩机(2a,2b,2c,2d)的制冷回路(1); 至少一个冷凝器(4); 至少一个膨胀装置(8,10); 和用于提供冷却能力的至少一个蒸发器(11)。 所述冷却系统还包括用于过冷却在所述制冷回路(1)中循环的制冷剂的过冷却回路(20),所述过冷却回路(20)构造成使过冷制冷剂循环并且包括至少一个过冷却器压缩机(22,23); 至少一个热交换装置(6,7)布置在所述至少一个冷凝器(4)的下游,并被配置用于在制冷回路(1)和过冷却回路(20)之间进行热交换,所述至少一个热交换器 包括至少一个温度传感器的装置(6,7) 以及控制单元(15),其被配置为用于控制所述制冷回路(1)的至少一个压缩机(2a,2b,2c,2d)和所述过冷却回路(20)的至少一个过冷却器压缩机(22,23) 使得由至少一个蒸发器(11)提供的冷却能力被满足,并且使得由至少一个温度传感器测量的至少一个热交换装置(6,7)处的温度在预定范围内。