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    • 6. 发明授权
    • Air conditioning system and control method thereof
    • 空调系统及其控制方法
    • US07377119B2
    • 2008-05-27
    • US11165240
    • 2005-06-24
    • Seung-chul KimHyeong-joon SeoJun-pyo LeeJae-hyo JeongJung-chul Choi
    • Seung-chul KimHyeong-joon SeoJun-pyo LeeJae-hyo JeongJung-chul Choi
    • F25B13/00F25B41/00
    • F25B27/02F24F2110/12F25B13/00F25B2313/0213F25B2313/02523F25B2313/02741F25B2500/31F25B2700/1931F25B2700/1933F25B2700/2104F25B2700/2106Y02A30/274
    • An air conditioning system includes an indoor heat exchanging unit, an outdoor heat exchanging unit, a compressor forming a closed loop together with the indoor and outdoor heat exchanging units to compress refrigerant, and a compressor driver to drive the compressor. The air conditioning system also includes an outdoor temperature sensor to sense outdoor temperature, a high pressure sensor to sense a pressure of the refrigerant discharged from the compressor, a low pressure sensor to sense the pressure of the refrigerant introduced into the compressor, a bypass pipe to connect a refrigerant pipe disposed between the indoor heat and outdoor heat exchanging units with a refrigerant pipe disposed in an influx part of the compressor, a bypass valve to open and close the bypass pipe, and a controller to open the bypass valve when the pressure sensed by the low pressure sensor is a predetermined target low pressure or is below the predetermined target low pressure, and to close the bypass valve when the pressure sensed by the high pressure sensor is over a predetermined target high pressure, under a condition in which the outdoor temperature sensed by the outdoor temperature sensor is a predetermined reference temperature or is below the predetermined reference temperature during a heating operation. Thus, the air conditioning system and a control method thereof, is improved in heating effect while performing a heating operation under a condition in which the outdoor temperature is low.
    • 空调系统包括室内热交换单元,室外热交换单元,与室内和室外热交换单元一起形成闭环的压缩机以压缩制冷剂;以及压缩机驱动器来驱动压缩机。 空调系统还包括感测室外温度的室外温度传感器,用于感测从压缩机排出的制冷剂的压力的高压传感器,用于感测引入压缩机的制冷剂的压力的低压传感器,旁通管 将布置在室内热交换单元和室外热交换单元之间的制冷剂管道与设置在压缩机的流入部分的制冷剂管连接,旁通阀打开和关闭旁通管;以及控制器,当压力 由低压传感器检测到的是预定的目标低压或低于预定目标低压,并且当高压传感器感测到的压力超过预定目标高压时关闭旁通阀, 由室外温度传感器感测到的室外温度是预定的基准温度或低于预定的温度 在加热操作期间的温度。 因此,在室外温度低的条件下进行制热运转时,空气调节系统及其控制方法得到改善。
    • 9. 发明申请
    • Air conditioning system and control method thereof
    • 空调系统及其控制方法
    • US20060032254A1
    • 2006-02-16
    • US11165240
    • 2005-06-24
    • Seung-chul KimHyeong-joon SeoJun-pyo LeeJae-hyo JeongJung-chul Choi
    • Seung-chul KimHyeong-joon SeoJun-pyo LeeJae-hyo JeongJung-chul Choi
    • F25B41/00F25B49/00
    • F25B27/02F24F2110/12F25B13/00F25B2313/0213F25B2313/02523F25B2313/02741F25B2500/31F25B2700/1931F25B2700/1933F25B2700/2104F25B2700/2106Y02A30/274
    • An air conditioning system includes an indoor heat exchanging unit, an outdoor heat exchanging unit, a compressor forming a closed loop together with the indoor and outdoor heat exchanging units to compress refrigerant, and a compressor driver to drive the compressor. The air conditioning system also includes an outdoor temperature sensor to sense outdoor temperature, a high pressure sensor to sense a pressure of the refrigerant discharged from the compressor, a low pressure sensor to sense the pressure of the refrigerant introduced into the compressor, a bypass pipe to connect a refrigerant pipe disposed between the indoor heat and outdoor heat exchanging units with a refrigerant pipe disposed in an influx part of the compressor, a bypass valve to open and close the bypass pipe, and a controller to open the bypass valve when the pressure sensed by the low pressure sensor is a predetermined target low pressure or is below the predetermined target low pressure, and to close the bypass valve when the pressure sensed by the high pressure sensor is over a predetermined target high pressure, under a condition in which the outdoor temperature sensed by the outdoor temperature sensor is a predetermined reference temperature or is below the predetermined reference temperature during a heating operation. Thus, the air conditioning system and a control method thereof, is improved in heating effect while performing a heating operation under a condition in which the outdoor temperature is low.
    • 空调系统包括室内热交换单元,室外热交换单元,与室内和室外热交换单元一起形成闭环的压缩机以压缩制冷剂;以及压缩机驱动器来驱动压缩机。 空调系统还包括感测室外温度的室外温度传感器,用于感测从压缩机排出的制冷剂的压力的高压传感器,用于感测引入压缩机的制冷剂的压力的低压传感器,旁通管 将布置在室内热交换单元和室外热交换单元之间的制冷剂管道与设置在压缩机的流入部分的制冷剂管连接,旁通阀打开和关闭旁通管;以及控制器,当压力 由低压传感器检测到的是预定的目标低压或低于预定目标低压,并且当高压传感器感测到的压力超过预定目标高压时关闭旁通阀, 由室外温度传感器感测到的室外温度是预定的基准温度或低于预定的温度 在加热操作期间的温度。 因此,在室外温度低的条件下进行制热运转时,空气调节系统及其控制方法得到改善。