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    • 3. 发明授权
    • Vehicle air conditioner
    • 车用空调
    • US06931873B2
    • 2005-08-23
    • US10777873
    • 2004-02-12
    • Mitsuyo OomuraToshinobu HomanHiroshi Kishita
    • Mitsuyo OomuraToshinobu HomanHiroshi Kishita
    • B60H1/00B60H1/32F25B1/00F25B49/00
    • B60H1/3205B60H2001/006B60H2001/3266B60H2001/327B60H2001/3272F25B2500/12F25B2600/021F25B2600/025
    • In an air conditioner for a vehicle, when a target rotation speed of an electric compressor calculated by a target rotation speed calculating means is higher than an upper limit set by an upper limit setting means and a noise level is reduced from a level equal to or higher than a predetermined noise level to a level lower than the predetermined noise level, an inverter controls the compressor to stop for a predetermined period of time and subsequently increase rotation speed to the upper limit. Since the compressor is stopped for the predetermined period of time, the rotation speed of the compressor is controlled without detecting a rotational position of the compressor. Therefore, when the target rotation speed is higher than the upper limit and the noise level is decreased lower than the predetermined noise level, an actual rotation speed of the compressor is immediately decreased.
    • 在车辆用空调机中,当由目标转速计算装置计算的电动压缩机的目标转速高于由上限设定装置设定的上限和噪声电平从等于或等于 高于预定噪声水平至低于预定噪声水平的水平,逆变器控制压缩机停止预定时间段,并随后将转速提高到上限。 由于压缩机停止预定时间段,所以在不检测压缩机的旋转位置的情况下控制压缩机的转速。 因此,当目标转速高于上限并且噪声水平降低到低于预定噪声水平时,压缩机的实际转速立即降低。
    • 4. 发明授权
    • Compressor control system for vehicle air conditioner
    • 车用空调压缩机控制系统
    • US07201010B2
    • 2007-04-10
    • US10786933
    • 2004-02-25
    • Toshinobu HomanYuji TakeoMitsuyo Oomura
    • Toshinobu HomanYuji TakeoMitsuyo Oomura
    • F25D25/00
    • B60H1/004B60H1/3222B60H2001/3272B60H2001/3292
    • In a compressor control system for a vehicle air conditioner, a hybrid ECU of the vehicle controls a rotation speed of a compressor electric motor. In this case, an output circuit, which outputs a driving signal for driving the compressor electric motor, only needs to be newly provided in the hybrid ECU when a hybrid vehicle or an electric vehicle is manufactured based on an engine vehicle. Therefore, a high cost is not caused even when the output circuit is provided in the hybrid ECU which should be newly designed and manufactured. In addition, because the output circuit does not need to be provided in an air-conditioning ECU which is an existing component of the engine vehicle, the air-conditioning ECU in the engine vehicle can be directly applied to that in the hybrid vehicle without a substantial hardware change. Therefore, design cost can be reduced.
    • 在用于车辆空调的压缩机控制系统中,车辆的混合动力ECU控制压缩机电动机的转速。 在这种情况下,当基于发动机车辆制造混合动力车辆或电动车辆时,仅需要在混合动力ECU中新提供输出用于驱动压缩机电动机的驱动信号的输出电路。 因此,即使在新设计制造的混合动力ECU中设置输出电路时也不会产生高成本。 此外,由于输出电路不需要设置在作为发动机车辆的现有部件的空调ECU中,发动机车辆中的空调ECU可以直接应用于混合动力车辆中的空调ECU,而不需要 实质硬件变化。 因此,可以降低设计成本。
    • 10. 发明授权
    • Vehicular air-conditioner
    • 车用空调
    • US07174733B2
    • 2007-02-13
    • US11087997
    • 2005-03-23
    • Mitsuyo OomuraToshinobu Homan
    • Mitsuyo OomuraToshinobu Homan
    • F25D17/06
    • F25B49/005B60H1/3216B60H1/3225B60H2001/3255B60H2001/327F25B47/006F25B2500/19F25B2600/021F25B2600/0253F25B2600/111F25B2700/21154
    • A vehicular air-conditioner wherein when a detected temperature of an inverter temperature sensor (22g) exceeds a predetermined value, an inverter (6) driving an electric motor (4) of an electric compressor (3) operates in an overheat protection mode for driving the electric motor by a heat protection speed different from the speed command value from the air-conditioning controller (20), secures the refrigerant flow rate, and cools itself. At this time, when a condenser fan (8) or vehicle compartment blower (14) is stopped by passenger operation or air-conditioning control, it is operated to promote the heat exchange at the heat exchangers, whereby it becomes possible to prevent an increase in the refrigerant pressure in the condenser (7) and prevent frost at the evaporator (11) and possible to protect against failure of function of the refrigeration cycle (2).
    • 一种车辆空调,其中,当逆变器温度传感器(22g)的检测温度超过预定值时,驱动电动压缩机(3)的电动机(4)的逆变器(6)以过热保护模式工作, 通过与来自空调控制器(20)的速度指令值不同的保护速度驱动电动机,确保制冷剂流量,并且自身冷却。 此时,当通过乘客操作或空调控制来停止冷凝器风扇(8)或车厢鼓风机(14)时,其运行以促进热交换器处的热交换,从而可以防止增加 在冷凝器(7)中的制冷剂压力中,并且防止蒸发器(11)处的结霜,并且可以防止制冷循环(2)的功能失效。