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    • 3. 发明专利
    • Driving torque arithmetic unit of variable displacement compressor, and air conditioning system for vehicle
    • 可变排量压缩机驱动扭矩算术单元和车辆空调系统
    • JP2010269652A
    • 2010-12-02
    • JP2009121823
    • 2009-05-20
    • Sanden Corpサンデン株式会社
    • ISHIZEKI TETSUYAHIGUCHI TERUOAMADA NORIMASA
    • B60H1/32F04B27/14F04B49/00F25B1/00
    • F04B27/18B60H2001/3238B60H2001/325B60H2001/3251B60H2001/3273F04B27/14F04B49/06F04B49/065F04B49/08F04B2203/0207F04B2205/05
    • PROBLEM TO BE SOLVED: To provide a driving torque arithmetic unit of a variable displacement compressor easily adapted to a specification of a vehicle and having high versatility, and an air conditioning system for the vehicle including the same. SOLUTION: This driving torque arithmetic unit includes a radiator inlet coolant pressure sensor (46) for detecting pressure of coolant at an inlet of a radiator (24), a radiator outlet coolant pressure sensor (48) for detecting pressure of the coolant at an outlet of the radiator (24), a rotational speed detection means for detecting rotational speed of the variable displacement compressor (100), a suction pressure detection means for detecting suction pressure of the coolant sucked into the compressor (100), and an arithmetic means for calculating driving torque of the variable displacement compressor (100) based on the pressure of the coolant at the inlet and the outlet of the radiator (24), the rotational speed of the variable displacement compressor (100) and the suction pressure of the coolant. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种易于适应车辆的规格并且具有高通用性的可变排量压缩机的驱动力矩运算单元,以及用于车辆的空调系统。 解决方案:该驱动力矩运算单元包括用于检测散热器(24)入口处的冷却剂压力的散热器入口冷却剂压力传感器(46),用于检测冷却剂压力的散热器出口冷却剂压力传感器(48) 在散热器(24)的出口处设有用于检测可变排量压缩机(100)的转速的转速检测装置,用于检测吸入压缩机(100)的冷却剂的吸入压力的吸入压力检测装置,以及 用于基于散热器(24)的入口和出口处的冷却剂的压力,可变排量压缩机(100)的旋转速度和吸入压力来计算可变排量压缩机(100)的驱动转矩的运算装置 冷却液。 版权所有(C)2011,JPO&INPIT
    • 6. 发明专利
    • Air conditioner for vehicle
    • 车用空调
    • JP2007106260A
    • 2007-04-26
    • JP2005299246
    • 2005-10-13
    • Denso Corp株式会社デンソー
    • UMEHARA AKIRA
    • B60H1/32
    • B60H1/3219B60H2001/3238B60H2001/3251B60H2001/3263B60H2001/3275F04B27/1804F04B2027/1827F04B2027/1854F04B2027/1895F25B2600/023F25B2600/2521
    • PROBLEM TO BE SOLVED: To provide an air conditioner for a vehicle capable of well performing cooling and dehumidification, even if operation starting is delayed in a solenoid valve for variable displacement of a compressor.
      SOLUTION: A control device makes the second control current duty Dt(n) to be outputted to the solenoid valve as 25% when the calculated first control current duty Dtd(n) is lower than real compressor four-drive starting duty 25%, and makes the first control current duty Dtd(n) as the second control current duty Dt(n) as it is in the case except the above case. As a result, minimum coolant amount originally required as a result of a thermal load calculation by the control device can be normally circulated in a refrigerating cycle without calculating a control current value that the compressor 4 is not capable of discharging coolant as the second control current duty Dt(n).
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:即使在压缩机的可变排量的电磁阀中延迟了操作开始,也能够提供一种能够良好地进行冷却和除湿的车辆的空调。 解决方案:当计算出的第一控制电流占空比Dtd(n)低于实际压缩机四驱动启动占空比25时,控制装置使第二控制电流占空比Dt(n)输出到电磁阀25% %,并且在除了上述情况之外的情况下,将第一控制电流占空比Dtd(n)作为第二控制电流占空比Dt(n)。 结果,作为控制装置的热负荷计算的原本要求的最小冷却剂量可以通常在制冷循环中循环,而不计算压缩机4不能排出冷却剂作为第二控制电流的控制电流值 义务Dt(n)。 版权所有(C)2007,JPO&INPIT