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    Vacuum cleaner and method of controlling the same
    2.
    发明公开
    Vacuum cleaner and method of controlling the same 失效
    Staubsauger und Verfahren zum Regeln desselben。

    公开(公告)号：EP0423670A1

    公开(公告)日：1991-04-24

    申请号：EP90119688.1

    申请日：1990-10-15

    申请人： HITACHI, LTD.

    发明人： Jyoraku, Fumio ,  Suka, Hisao ,  Ishii, Yoshitaro ,  Toyoshima, Hisanori ,  Kawamata, Mitsuhisa ,  Koharagi, Haruo ,  Tahara, Kazuo ,  Endo, Tunehiro ,  Miyashita, Kunio ,  Ajima, Toshiyuki ,  Abe, Takeshi ,  Hosokawa, Atusi

    IPC分类号： A47L9/28

    CPC分类号： A47L9/2842 ,  A47L9/2821 ,  A47L9/2831 ,  A47L9/2889 ,  A47L9/2894

    摘要： A controlling apparatus (10) controls a suction per­formance of a blower motor (2) which is installed into a main body (3) of a cleaner (1). The controlling apparatus (10) increases the suction performance when a suction nozzle is operated and decreases the suction performance when the suction nozzle is stopped. Corresponding to a floor cleaning suction nozzle and a crevice cleaning suc­tion nozzle, at a predetermined air flow amount range, the most suitable operation control is carried out automati­cally in accordance with the detected kind of suction nozzle. Whe the suction nozzle is exchanged the flow amount range is changed over and selected in accordance with the respective suction nozzle. A brushless direct motor is used as the blower motor and has an operational range by means of chopper control duty factor of 100 %.

    摘要翻译： 控制装置（10）控制安装在清洁器（1）的主体（3）中的鼓风机马达（2）的吸入性能。 当吸嘴被操作时，控制装置（10）增加吸入性能，并且当吸嘴停止时降低吸入性能。 对应于地板清洁吸嘴和缝隙清洗吸嘴，在预定的空气流量范围内，根据检测到的吸嘴种类自动进行最合适的操作控制。 当抽吸嘴被更换时，流量范围被切换并根据相应的吸嘴进行选择。 使用无刷直流电动机作为鼓风机电动机，通过斩波器控制占空比为100％的操作范围。

    Vacuum cleaner and control method thereof
    4.
    发明公开
    Vacuum cleaner and control method thereof 失效
    Staubsauger und Verfahren zur Steuerung desselben。

    公开(公告)号：EP0479609A2

    公开(公告)日：1992-04-08

    申请号：EP91309126.0

    申请日：1991-10-04

    申请人： HITACHI, LTD.

    发明人： Koharagi, Haruo ,  Tahara, Kazuo ,  Ajima, Toshiyuki ,  Endo, Tsunehiro ,  Suka, Hisao ,  Kawamata, Mitsuhisa ,  Jyoraku, Fumio ,  Ishii, Yoshitaro ,  Toyoshima, Hisanori ,  Abe, Takeshi ,  Hosokawa, Atusi ,  Ito, Shoichi ,  Futami, Motoo ,  Miyashita, Kunio

    IPC分类号： A47L9/28

    CPC分类号： A47L9/2889 ,  A47L9/2821 ,  A47L9/2831 ,  A47L9/2842 ,  A47L9/2847 ,  A47L9/2857 ,  Y10S706/90

    摘要： In a vacuum cleaner, both static pressure H data and a variation width ΔH in the static pressure appearing when a suction port is operated are detected from a pressure sensor (8) provided at a rear side of a filter (7) within a main body (2) of the vacuum cleaner; a current variation width Δpbi appearing when the suction port is operated is detected from a current of a nozzel motor (26) for driving a rotary brush (10) stored in a power brush suction port; an air quantity at the suction port is calculated from the current, rotational speed of a fan motor (FM) and static pressure ; command values are newly obtained by performing a fuzzy calculation with the variation width Apbi, static-pressure command value Hcmd ; the variation width ΔH and the static-pressure command value Qcmd ; the variation width Δpbi and static-pressure command value Hcmd ; and also the variation width ΔH and static-pressure command value Qcmd as the input thereto ; the rotational speeds of the fan motor (FM) and nozzel motor (26) are controlled from the result of the command values ; and further optimum air suction force is automatically obtained, depending upon the suction port under use and cleaning floor plane.

    摘要翻译： 在真空吸尘器中，从设置在主体内的过滤器（7）的后侧的压力传感器（8）检测静压压力Hdata和操作吸入口时出现的静压力的变化宽度DELTA H， （2）吸尘器; 从用于驱动存储在电动刷吸入口中的旋转刷（10）的喷嘴马达（26）的电流检测当操作吸入口时出现的当前变化幅度DELTA pbi; 根据风扇电机（FM）的当前旋转速度和静压力计算吸入口处的空气量; 通过执行具有变化宽度DELTA pbi，静压指令值Hcmd的模糊计算来新获得指令值; 变化宽度DELTA H和静压指令值Qcmd; 变化宽度DELTA pbi和静压指令值Hcmd; 以及作为其输入的变化宽度DELTA H和静态压力指令值Qcmd; 从命令值的结果来控制风扇马达（FM）和喷嘴马达（26）的旋转速度; 并且根据使用的吸入口和清洁底板平面，自动获得进一步的最佳吸气力。

    Method for operating a vacuum cleaner
    6.
    发明公开
    Method for operating a vacuum cleaner 失效
    真空吸尘器的操作方法

    公开(公告)号：EP0458057A1

    公开(公告)日：1991-11-27

    申请号：EP91105964.0

    申请日：1991-04-15

    申请人： HITACHI, LTD.

    发明人： Koharagi, Haruo ,  Tahara, Kazuo ,  Ajima Toshiyuki ,  Abe, Takeshi ,  Endo, Tsunehiro ,  Miyashita, Kunio ,  Ishii, Yoshitaro ,  Jyoraku, Fumio ,  Suka, Hisao ,  Hosokawa, Atusi ,  Toyoshima, Hisanori ,  Kawamata, Mitsuhisa

    IPC分类号： A47L9/28

    CPC分类号： A47L9/2857 ,  A47L9/2821 ,  A47L9/2831 ,  A47L9/2842 ,  A47L9/2847

    摘要： A fan motor (FM,17,38,39) such as a brushless motor and a static pressure sensor (8) are provided on a cleaner main body (2) and a nozzle motor (26) is brush. A kind of a cleaning surface (1) to be cleaned is estimated according to a fluctuation width of a peak value in current of the nozzle motor (26) or a fluctuation width of an output value the static pressure sensor (8). A kind of a suction nozzle is estimation according to a speed and a load current of the fan motor (FM,17,38,39) or a wind amount and a mean value of the output value of the pressure sensor (8). In response to the estimated result of the kind of the cleaning surface (1) to be cleaned and the kind of the suction nozzle, inputs of the fan motor (FM,17,38,39) and the nozzle motor (26) are controlled automatically. The input of the fan motor is adjusted automatically through a detection of a mean value of the peak value in current of the nozzle motor. The wind amount and a static pressure are calculated according to the load current and the speed of the fan motor, and in accordance with this calculation result a speed command of the fan motor is determined.

    摘要翻译： 在吸尘器主体（2）上设置有无刷电动机和静压传感器（8）等风扇电动机（FM，17,38,39），喷嘴电动机（26）为刷子。 根据喷嘴马达（26）的电流的峰值的波动宽度或静压传感器（8）的输出值的波动幅度来估计要清洁的清洁表面（1）的种类。 根据风扇马达的速度和负载电流（FM，17,38,39）或风量和压力传感器（8）的输出值的平均值来估计吸嘴的种类。 响应于要清洁的清洁表面（1）的种类和吸嘴的种类的估计结果，控制风扇电机（FM，17,38,39）和喷嘴电机（26）的输入 自动。 通过检测喷嘴电动机的电流峰值的平均值来自动调节风扇电动机的输入。 根据负载电流和风扇电机的速度计算风量和静压，并且根据该计算结果确定风扇电机的速度命令。