Refrigerant circulating system
    1.
    发明公开
    Refrigerant circulating system 失效
    Kältemittelumlaufanlage

    公开(公告)号:EP0750166A2

    公开(公告)日:1996-12-27

    申请号:EP96304641.2

    申请日:1996-06-24

    IPC分类号: F25B13/00

    摘要: The system uses a non-azeotropic mixture as refrigerant and comprises: a main refrigerant circuit connected by a compressor (1), a four-way valve (2), an outdoor heat-exchanger (3), a first throttling device (4a-c), a plurality of indoor heat-exchangers (5a-c), and a low-pressure receiver (6); a bypass circuit diverging from the discharge portion of the compressor (1) and extending through a composition detecting heat-exchanger (9) and a second throttling device (8) to the low-pressure side; an outdoor fan (7) associated with the outdoor heat-exchanger (3); a first temperature detector (103) to detect refrigerant temperature upstream of the second throttling device (9); a second temperature detector (104) to detect refrigerant temperature downstream of the second throttling device (8); a first pressure detector (102) to detect pressure downstream of the second throttling device (8); a third temperature detector (105a-c) to detect temperature in the main circuit between the first throttling device (4a-c) and the indoor heat-exchangers (5a-c); a fourth temperature detector (106a-c) to detect temperature at the low-pressure side; a second pressure detector (101) to detect the pressure at the high-pressure sides a device (21) for calculating the composition of the mixture refrigerant, a main controller (22) for controlling the speed of the compressor (1) ) and the speed of the fan (7) on the basis of the refrigerant composition and pressure; and a controller (23) for controlling the opening of the first throttling device (4a-c).

    摘要翻译: 该系统使用非共沸混合物作为制冷剂,包括:通过压缩机(1),四通阀(2),室外热交换器(3),第一节流装置(4a- c),多个室内热交换器(5a-c)和低压接收器(6); 旁路回路从压缩机(1)的排出部分发散并通过组分检测热交换器(9)和第二节流装置(8)延伸到低压侧; 与室外热交换器(3)相关联的室外风扇(7); 第一温度检测器(103),用于检测第二节流装置(9)上游的制冷剂温度; 第二温度检测器(104),用于检测所述第二节流装置(8)下游的制冷剂温度; 第一压力检测器(102),用于检测第二节流装置(8)下游的压力; 检测第一节流装置(4a-c)和室内热交换器(5a-c)之间的主电路中的温度的第三温度检测器(105a-c); 第四温度检测器(106a-c),用于检测低压侧的温度; 第二压力检测器(101),用于检测高压侧的压力,用于计算混合制冷剂的组成的装置(21),用于控制压缩机(1)的速度的主控制器(22))和 基于制冷剂组成和压力的风扇(7)的速度; 以及用于控制第一节流装置(4a-c)的打开的控制器(23)。