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1. 发明授权

US06995534B2 Method of controlling the commutation in an electronically commutated motor, and an electronically commutated motor for carrying out said method 失效
标题翻译：电子换向马达中的换向控制方法以及用于执行所述方法的电子换向马达
公开(公告)号：US06995534B2
公开(公告)日：2006-02-07
申请号：US10432444
申请日：2002-07-20
申请人： Hansjörg Berroth , Thomas Von Der Heydt , Frank Jeske , Arnold Kuner , Paul Layes , Hans-Dieter Schondelmaier , Günther Strasser
发明人： Hansjörg Berroth , Thomas Von Der Heydt , Frank Jeske , Arnold Kuner , Paul Layes , Hans-Dieter Schondelmaier , Günther Strasser
IPC分类号： H02P7/00
CPC分类号： H02P6/20 , H02P6/28
摘要： A method is disclosed for controlling the commutation in an electronically commutated motor (20) which comprises a stator having at least one phase (24, 26), and a permanent-magnet rotor (22), and with which a current limiter (36, 58) and a controller (18) for regulating a motor variable are associated. The current limiter (36, 58) serves to limit the current (I) in the at least one phase (24, 26) to a setpoint value. The regulation by means of the controller (18) is accomplished by modifying the distance in time (W) between switching on (t1) and switching off (t2) of the current (i1, i2) in the at least one phase. In this method, the setpoint value to which the current limiter limits the current (i1, i2) in the relevant phase is modifiable. It is modified substantially as a function of a ratio of two times (W/T), namely as a function of the ratio of the distance in time (W) between switching on (t1) and switching off (t2) of the current (i1, i2) in the relevant phase (24, 26) to the time period (T) required by the rotor, at the instantaneous rotation speed, to rotate through a specified rotation angle. A decrease in noise at low rotation speeds is thereby made possible.
摘要翻译：公开了一种用于控制电子换向电动机（20）中的换向的方法，该电动机包括具有至少一个相位（24,26）和永磁体转子（22）的定子，并且限流器（36， 58）和用于调节电动机变量的控制器（18）相关联。电流限制器（36,58）用于将至少一个相位（24,26）中的电流（I）限制到设定值。通过控制器（18）的调节是通过修改在至少一个中的当前（i 1，i 2）的开启（t 1）和断开（t 2）之间的时间（W）的距离来实现的相。在该方法中，限流器限制相关相位中的电流（i 1，i 2）的设定值是可修改的。它基本上作为两倍（W / T）的函数的函数进行修改，即作为开关导通（t 1）和截止（t 2）之间的时间（W）的距离的比值在相关阶段（24,26）到转子所需时间（T）的电流（i 1，i 2）以瞬时转速旋转指定的旋转角度。因此，可以降低低转速时的噪音。

2. 发明授权

US5262703A Low noise miniature electric motor 失效
标题翻译：低噪音微型电动机
公开(公告)号：US5262703A
公开(公告)日：1993-11-16
申请号：US874796
申请日：1992-04-28
申请人： Fritz Schmider , Thomas Von Der Heydt
发明人： Fritz Schmider , Thomas Von Der Heydt
IPC分类号： H02K5/24 , H02K7/09 , H02K29/06 , H02K29/08 , H02K29/12 , H02P6/06 , H02K29/14
CPC分类号： H02K29/08 , H02K29/06 , H02K29/12 , H02K5/24 , H02K7/09 , H02P6/06
摘要： A low noise brushless dc motor has a rotor with a permanent magnet and a stator with a bearing system mounting a shaft for rotating the rotor. The motor has an operating circuit that includes a tachometer winding connected to the base of a first transistor whose collector is in series with a first resistor. The other end of the tachometer winding is connected to the base of a second transistor whose collector is in series with a second resistor.
摘要翻译：低噪声无刷直流电动机具有带永磁体的转子和具有安装用于使转子旋转的轴的轴承系统的定子。电动机具有操作电路，其包括连接到集电极与第一电阻串联的第一晶体管的基极的转速计绕组。转速计绕组的另一端连接到集电极与第二电阻串联的第二晶体管的基极。

3. 发明授权

US5933573A Method of controlling an electric motor and apparatus for carrying out the method 失效
标题翻译：控制电动机的方法及其实施方法
公开(公告)号：US5933573A
公开(公告)日：1999-08-03
申请号：US633909
申请日：1996-04-17
申请人： Stefan Lukenich , Thomas Von Der Heydt , Hermann Rappenecker
发明人： Stefan Lukenich , Thomas Von Der Heydt , Hermann Rappenecker
IPC分类号： H02P6/00 , H02P6/08 , H02P6/24 , H02P7/29 , H02P7/00
CPC分类号： H02P6/085 , H02P6/24 , H02P6/28 , H02P7/29
摘要： An electric motor (12) is supplied with current (i.sub.mot) via a semiconductor switch (14). During operation, the semiconductor switch (14) is driven by a Pulse Width Modulation (PWM) unit 15 using a pulse-formed signal (32). For regulation of the duty ratio of this pulse-formed signal, a first analog signal, which is a function of at least a first motor parameter, is fed to the PWM unit. Further, a second analog signal (STBGR), which is a function of at least a second motor parameter, is fed to the PWM unit for regulation of the duty ratio. As long as the second motor parameter does not exceed a predetermined value, the duty ratio is predominantly controlled by the value of the first analog signal. When the second motor parameter exceeds the predetermined value, the duty ratio is at least predominantly controlled by the value of the second motor parameter, in order to control this second motor parameter through the PWM unit.
摘要翻译：经由半导体开关（14）向电动机（12）供给电流（imot）。在操作期间，使用脉冲形成信号（32）由半导体开关（14）由脉冲宽度调制（PWM）单元15驱动。为了调节该脉冲形成的信号的占空比，作为至少第一电动机参数的函数的第一模拟信号被馈送到PWM单元。此外，作为至少第二电动机参数的函数的第二模拟信号（STBGR）被馈送到PWM单元以调节占空比。只要第二电动机参数不超过预定值，占空比主要由第一模拟信号的值来控制。当第二电动机参数超过预定值时，占空比至少主要由第二电动机参数的值控制，以便通过PWM单元控制该第二电动机参数。

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