REFRIGERATING SYSTEM AND METHOD FOR OPERATING THE SAME

    公开(公告)号:WO2009103469A3

    公开(公告)日:2009-08-27

    申请号:PCT/EP2009/001060

    申请日:2009-02-16

    Abstract: A refrigerating system (2) according to the invention comprises a refrigerating cycle having a compressor (4), a condenser (6), a collecting container (10), an expansion device (16), an evaporator (18) and refrigerating circuits circulating a refrigerant therethrough; a by-pass line (20) comprising a by-pass valve (22), the by-pass line (20) connecting the gas space of the collecting container (10) with the suction line of the compressor (4); and a control unit that in operation allows switching between normal operation of the refrigerating cycle and refrigerant collecting operation in which the by-pass valve (22) is open and reduces the liquefying pressure in the condenser (6) such that the remaining liquid refrigerant in the condenser (6) is evaporated and led into the collecting container (10).

    REFRIGERATION CIRCUIT
    2.
    发明申请
    REFRIGERATION CIRCUIT 审中-公开
    制冷电路

    公开(公告)号:WO2006087013A1

    公开(公告)日:2006-08-24

    申请号:PCT/EP2005/001785

    申请日:2005-02-21

    Inventor: HEINBOKEL, Bernd

    Abstract: Refrigeration circuit (1, 1') for circulating a refrigerant in a predetermined flow direction through at least one functionally disconnectable component, the refrigeration circuit comprising in flow direction an expansion device (b, b', 26, 26', 33), an evaporator, a compressor (2, 2', 29, 36) and a heat-rejecting heat exchanger (6, 20), wherein an upstream-side shut-off valve is provided upstream of the component and a downstream-side shut-off valve is provided downstream of the component, characterized in that at least one of these shut-off valves is a non-return valve (a, c, 25, 27, 32, 34). Preferably, the component comprises in flow direction the expansion device (b, b', 26, 26', 33) and the evaporator (12, 12', E1, E1', E2) or the compressor (2, 2'). Preferably the non-return valve (a, c, 25, 27, 32, 34) is lockable in it's open position.

    Abstract translation: 制冷回路(1,1'),用于使制冷剂在预定的流动方向上循环通过至少一个功能可断开的部件,所述制冷回路在流动方向上包括膨胀装置(b,b',26,26',33), 蒸发器,压缩机(2,2',29,36)和排热热交换器(6,20),其中上游侧截止阀设置在部件的上游和下游侧切断 阀设置在部件的下游,其特征在于,这些截止阀中的至少一个是止回阀(a,c,25,27,32,34)。 优选地,该部件在流动方向上包括膨胀装置(b,b',26,26',33)和蒸发器(12,12',E1,E1',E2)或压缩机(2,2')。 优选地,止回阀(a,c,25,27,32,34)可锁定在其打开位置。

    METHOD OF CONTROLLING A HEAT-REJECTION HEAT EXCHANGING SIDE OF A REFRIGERANT CIRCUIT
    3.
    发明申请
    METHOD OF CONTROLLING A HEAT-REJECTION HEAT EXCHANGING SIDE OF A REFRIGERANT CIRCUIT 审中-公开
    控制制冷电路的热交换换热侧的方法

    公开(公告)号:WO2009103472A1

    公开(公告)日:2009-08-27

    申请号:PCT/EP2009/001063

    申请日:2009-02-16

    Inventor: HEINBOKEL, Bernd

    CPC classification number: F25B49/027 F25B2600/19

    Abstract: A method of controlling a heat-rejection heat exchanging side of a refrigerant circuit comprises the steps of providing a heat-rejection heat exchanging side comprising at least one heat-rejection heat exchanger (4), wherein a refrigerant is cooled against a secondary medium; obtaining a refrigerant condensation temperature (T c ) in the heat-rejection heat exchanging side; obtaining a refrigerant outlet temperature (T ro ); obtaining a secondary medium inlet temperature (T smi ); calculating a relative subcooling value by relating the refrigerant condensation temperature (T c ), the refrigerant outlet temperature (T ro ), and the secondary medium inlet temperature (T smi ); and controlling the relative subcooling value with regard to a reference relative subcooling value.

    Abstract translation: 控制制冷剂回路的排热热交换侧的方法包括以下步骤:提供包括至少一个排热热交换器(4)的排热热交换侧,其中制冷剂相对于二次介质冷却; 获得所述排热热交换侧的制冷剂冷凝温度(Tc); 获得制冷剂出口温度(Tro); 获得二次介质入口温度(Tsmi); 通过使制冷剂冷凝温度(Tc),制冷剂出口温度(Tro)和次级介质入口温度(Tsmi)相关联来计算相对过冷值; 以及相对于参考相对过冷值控制相对过冷值。

    KÄLTEKREISLAUF UND VERFAHREN ZUM BETREIBEN EINES KÄLTEKREISLAUFES
    4.
    发明申请
    KÄLTEKREISLAUF UND VERFAHREN ZUM BETREIBEN EINES KÄLTEKREISLAUFES 审中-公开
    制冷回路及其操作方法的制冷回路

    公开(公告)号:WO2006015820A1

    公开(公告)日:2006-02-16

    申请号:PCT/EP2005/008535

    申请日:2005-08-05

    Abstract: Die Erfindung betrifft einen Kältekreislauf, in dem ein ein- oder mehrkomponentiges Kältemittel zirkuliert, aufweisend wenigstens eine Entspannungsvorrichtung. Erfindungsgemäß ist die Entspannungsvorrichtung als wenigstens zwei parallel geschaltete Ventile (a, b, c, d) ausgebildet. Ferner betrifft die Erfindung ein Verfahren zum Betreiben eines derartigen Kältekreislaufes. Dieses ist dadurch gekennzeichnet, dass im Falle des Defektes eines der parallel geschalteten Ventile (a, b, c, d) dieses außer Betrieb genommen und das oder wenigstens eines der weiteren Ventile den Regelbetrieb des Kältekreislaufes gewährleistet.

    Abstract translation: 本发明涉及的制冷回路在其中循环,其包括至少一个膨胀装置的单组分或多组分制冷剂。 根据本发明,并联连接的松弛装置,至少两个阀(A,B,C,D)被形成。 此外,本发明涉及一种用于操作一个制冷回路的方法。 这是其特征在于在取出操作的并联阀中的一个(A,B,C,D)的故障的情况下,这对或至少进一步阀中的一个,确保制冷回路的正常操作。

    REFRIGERATING CIRCUIT AND METHOD OF SELECTIVELY COOLING OR DEFROSTING AN EVAPORATOR THEREOF
    5.
    发明申请
    REFRIGERATING CIRCUIT AND METHOD OF SELECTIVELY COOLING OR DEFROSTING AN EVAPORATOR THEREOF 审中-公开
    制冷电路及选择性地冷却或除垢蒸发器的方法

    公开(公告)号:WO2009103471A3

    公开(公告)日:2009-10-29

    申请号:PCT/EP2009001062

    申请日:2009-02-16

    Inventor: HEINBOKEL BERND

    CPC classification number: F25B47/02 F25B39/02

    Abstract: A Refrigerating circuit according to the invention comprises a compressor, a condenser/gas cooler, an expansion device (2), an evaporator (4), and refrigerant conduits circulating a refrigerant therethrough. The evaporator (4) comprises refrigerant piping comprising a plurality of substantially horizontal layers (8, 10) each layer comprising a plurality of pipes (8a-8h, 10a-10h) the pipes being substantially perpendicular to an air flow direction (12) from an air inlet region to an air outlet region of the evaporator (4). A pipe selected from the group of the second pipe (8b) to the last but one pipe (8g) in the bottom layer (8) forms the entry pipe (8c) of the evaporator (4). The entry pipe (8c) is connectable with the expansion device (2) to provide a refrigerating mode, and the entry pipe (8c) is connectable with a hot gas conduit (6) to provide a defrosting mode for the evaporator (4).

    Abstract translation: 根据本发明的制冷回路包括压缩机,冷凝器/气体冷却器,膨胀装置(2),蒸发器(4)和使制冷剂循环的制冷剂管道。 蒸发器(4)包括制冷剂管道,其包括多个基本上水平的层(8,10),每个层包括多个管(8a-8h,10a-10h),管基本上垂直于空气流动方向(12) 到所述蒸发器(4)的空气出口区域的空气入口区域。 从第二管(8b)组到底层(8)中的最后一个管(8g)的管道形成蒸发器(4)的入口管(8c)。 入口管(8c)可与膨胀装置(2)连接以提供制冷模式,并且入口管(8c)可与热气管道(6)连接,以提供用于蒸发器(4)的除霜模式。

    SET OF PISTON COMPRESSORS AND METHOD FOR OIL COMPENSATION
    6.
    发明申请
    SET OF PISTON COMPRESSORS AND METHOD FOR OIL COMPENSATION 审中-公开
    一套活塞式压缩机和油补偿方法

    公开(公告)号:WO2009049649A1

    公开(公告)日:2009-04-23

    申请号:PCT/EP2007/009044

    申请日:2007-10-18

    Abstract: A set of piston compressors (2, 4, 6, 8) for use in a refrigeration system comprises a fluid connection (10) between the crank cases of the piston compressors (2, 4, 6, 8) for allowing oil compensation between said piston compressors (2, 4, 6, 8); and a control unit (12) which in operation monitors the running time of each piston compressor (2, 4, 6, 8) and, in case all piston compressors (2, 4, 6, 8) are running, subsequently interrupts the operation of a respective piston compressor (2, 4, 6, 8) for a predetermined period of time for oil compensation if its running time reaches a predetermined maximum running time.

    Abstract translation: 用于制冷系统的一组活塞式压缩机(2,4,6,8)包括在活塞式压缩机(2,4,6,8)的曲柄箱之间的流体连接(10),用于允许所述 活塞式压缩机(2,4,6,8); 以及控制单元(12),其操作中监视每个活塞压缩机(2,4,6,8)的运行时间,并且在所有活塞式压缩机(2,4,6,8)运行的情况下,随后中断操作 如果其运行时间达到预定的最大运行时间,则相应的活塞压缩机(2,4,6,8)预定的时间段用于油补偿。

    REFRIGERATING SYSTEM AND METHOD FOR OPERATING THE SAME
    7.
    发明申请
    REFRIGERATING SYSTEM AND METHOD FOR OPERATING THE SAME 审中-公开
    制冷系统及其操作方法

    公开(公告)号:WO2009043363A1

    公开(公告)日:2009-04-09

    申请号:PCT/EP2007/008573

    申请日:2007-10-02

    Abstract: A refrigerating system according to the invention comprises refrigerating cycle having a compressor (4), a condenser (6), a collecting container (10), an expansion device (16), an evaporator (18) and refrigerating circuits circulating a refrigerant therethrough; a liquefying set comprising an additional condenser (24), connected in parallel to the condenser (6); and a control unit that in operation allows switching between normal operation of the refrigerating cycle and refrigerant collecting operation in which the remaining refrigerant is sucked off the condenser (6), is liquefied by the additional condenser (24) and collects in the collecting container (10).

    Abstract translation: 根据本发明的制冷系统包括具有压缩机(4),冷凝器(6),收集容器(10),膨胀装置(16),蒸发器(18)和使制冷剂循环的制冷循环的制冷循环; 包括与冷凝器(6)并联连接的附加冷凝器(24)的液化组件; 以及控制单元,其操作允许在冷冻循环的正常操作和其余的制冷剂从冷凝器(6)吸出的制冷剂收集操作之间切换)由附加冷凝器(24)液化并收集在收集容器( 10)。

    METHOD FOR CONTROLLING HIGH-PRESSURE IN AN INTERMITTENTLY SUPERCRITICALLY OPERATING REFRIGERATION CIRCUIT
    8.
    发明申请
    METHOD FOR CONTROLLING HIGH-PRESSURE IN AN INTERMITTENTLY SUPERCRITICALLY OPERATING REFRIGERATION CIRCUIT 审中-公开
    用于控制超临界超低温运行的制冷电路中的高压的方法

    公开(公告)号:WO2006087005A1

    公开(公告)日:2006-08-24

    申请号:PCT/EP2005/001720

    申请日:2005-02-18

    Inventor: HEINBOKEL, Bernd

    Abstract: Method for controlling an intermittently supercritically operating refrigeration circuit (2) comprising a compressor (4) a heat-rejecting heat exchanger (10) and a control valve (12) and a control (16), the method comprising the following steps : (a) subcritical mode, controlling the control valve (12) so that a predetermined "supercritical pressure" ensuring a predetermined subcooling of the liquid refrigerant at the outlet (14) of the heat-rejecting heat exchanger (10) is maintained; (b) a supercritical mode, controlling the control; valve (12) so that a predetermined "supercritical pressure" which is optimized for optimum efficiency, of the supercritical refrigerant at the outlet (14) of the heat-rejecting heat exchanger (10) is maintained; and (c) a border mode in a region next to the critical point, controlling the control valve (12) dependent on a "continuity pressure" which is determined on the basis of the predetermined " subcritical pressure" and "supercritical pressure" of steps (a) and (b).

    Abstract translation: 一种用于控制间歇式超临界操作的制冷回路(2)的方法,包括压缩机(4),排热热交换器(10)和控制阀(12)和控制器(16),所述方法包括以下步骤: 控制所述控制阀(12),从而保持在所述排热热交换器(10)的出口(14)处确保所述液体制冷剂的预定过冷度的预定“超临界压力” (b)控制控制的超临界模式; 阀(12),从而保持在排热热交换器(10)的出口(14)处的超临界制冷剂优化的预定的“超临界压力”以达到最佳效率; 和(c)在临界点旁边的区域中的边界模式,根据基于预定的“次临界压力”和“超临界压力”确定的“连续性压力”来控制控制阀(12) (a)和(b)。

    REFRIGERATING CIRCUIT AND METHOD OF SELECTIVELY COOLING OR DEFROSTING AN EVAPORATOR THEREOF
    9.
    发明申请
    REFRIGERATING CIRCUIT AND METHOD OF SELECTIVELY COOLING OR DEFROSTING AN EVAPORATOR THEREOF 审中-公开
    制冷回路及选择性地冷却或破裂蒸发器的方法

    公开(公告)号:WO2009103471A2

    公开(公告)日:2009-08-27

    申请号:PCT/EP2009/001062

    申请日:2009-02-16

    Inventor: HEINBOKEL, Bernd

    CPC classification number: F25B47/02 F25B39/02

    Abstract: A Refrigerating circuit according to the invention comprises a compressor, a condenser/gas cooler, an expansion device (2), an evaporator (4), and refrigerant conduits circulating a refrigerant therethrough. The evaporator (4) comprises refrigerant piping comprising a plurality of substantially horizontal layers (8, 10) each layer comprising a plurality of pipes (8a-8h, 10a-10h) the pipes being substantially perpendicular to an air flow direction (12) from an air inlet region to an air outlet region of the evaporator (4). A pipe selected from the group of the second pipe (8b) to the last but one pipe (8g) in the bottom layer (8) forms the entry pipe (8c) of the evaporator (4). The entry pipe (8c) is connectable with the expansion device (2) to provide a refrigerating mode, and the entry pipe (8c) is connectable with a hot gas conduit (6) to provide a defrosting mode for the evaporator (4).

    Abstract translation: 根据本发明的制冷回路包括压缩机,冷凝器/气体冷却器,膨胀装置(2),蒸发器(4)以及循环制冷剂的制冷剂管道。 所述蒸发器(4)包括制冷剂管道,所述制冷剂管道包括多个基本上水平的层(8,10),每个层包括多个管道(8a-8h,10a-10h),所述管道基本上垂直于空气流动方向 到蒸发器(4)的空气出口区域的空气入口区域。 从底层(8)中的第二管道(8b)到最后一根管道(8g)中选择的管道形成蒸发器(4)的入口管道(8c)。 入口管(8c)可与膨胀装置(2)连接以提供制冷模式,并且入口管(8c)可与热气管道(6)连接以为蒸发器(4)提供除霜模式。

    REFRIGERATING SYSTEM AND METHOD FOR OPERATING THE SAME
    10.
    发明申请
    REFRIGERATING SYSTEM AND METHOD FOR OPERATING THE SAME 审中-公开
    制冷系统及其操作方法

    公开(公告)号:WO2009103469A2

    公开(公告)日:2009-08-27

    申请号:PCT/EP2009001060

    申请日:2009-02-16

    Abstract: A refrigerating system (2) according to the invention comprises a refrigerating cycle having a compressor (4), a condenser (6), a collecting container (10), an expansion device (16), an evaporator (18) and refrigerating circuits circulating a refrigerant therethrough; a by-pass line (20) comprising a by-pass valve (22), the by-pass line (20) connecting the gas space of the collecting container (10) with the suction line of the compressor (4); and a control unit that in operation allows switching between normal operation of the refrigerating cycle and refrigerant collecting operation in which the by-pass valve (22) is open and reduces the liquefying pressure in the condenser (6) such that the remaining liquid refrigerant in the condenser (6) is evaporated and led into the collecting container (10).

    Abstract translation: 根据本发明的制冷系统(2)包括具有压缩机(4),冷凝器(6),收集容器(10),膨胀装置(16),蒸发器(18)和循环的制冷循环的制冷循环 制冷剂 包括旁通阀(22)的旁通管线(20),将收集容器(10)的气体空间与压缩机(4)的吸入管线连接的旁路管线(20); 以及控制单元,其操作允许在所述冷冻循环的正常操作与所述旁通阀(22)打开的制冷剂收集操作之间进行切换,并且降低所述冷凝器(6)中的液化压力,使得剩余的液体制冷剂 冷凝器(6)蒸发并被引入收集容器(10)。

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