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公开(公告)号：US5889922A
公开(公告)日：1999-03-30
申请号：US588571
申请日：1996-01-18
CPC分类号： H02P25/14 , B25B21/02 , Y10S388/937
摘要： The invention relates to a method for driving an electric motor (1) which is employed, in particular, in manually guided electric tools, such as drilling machines, screwing machines or the like. Variable pulses of an electric voltage are applied to the electric motor (1) in such a way that the rotor of the electric motor (1) moves at a rotational speed which can be set. In order that the rotor of the electric motor (1) moves intermittently or abruptly, at least parts of at least individual pulses are blanked by superposition of a pulse interval having a zero voltage. A circuit arrangement for a method of this type has control electronics (5) and an electronic power switch (4), such as a triac, a transistor, an IGBT or the like, which is switched by the control electronics (5) in such a way that the variable pulses can be applied to the electric motor (1) via the electronic power switch (4). The control electronics (5) further contain means for switching the electronic power switch (4) off during at least parts of at least individual pulses.
摘要翻译： 本发明涉及一种用于驱动电动机（1）的方法，该电动机特别用于手动导向的电动工具，例如钻孔机，螺旋机等。 将电动机的可变脉冲施加到电动机（1），使得电动机（1）的转子以可设定的转速移动。 为了使电动机（1）的转子间歇地或突然地移动，通过叠加具有零电压的脉冲间隔，至少单个脉冲的至少一部分被消隐。 用于这种方法的电路装置具有控制电路（5）和电子电源开关（4），例如三端双向可控硅开关元件，晶体管，IGBT等，其由控制电子器件（5）在其中切换 通过电子电源开关（4）将可变脉冲施加到电动机（1）的方式。 控制电子装置（5）还包括用于在至少单个脉冲的至少部分期间切换电子功率开关（4）的装置。
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公开(公告)号：US5644112A
公开(公告)日：1997-07-01
申请号：US455106
申请日：1995-05-31
申请人： August Geiger , Alexander Knappe , Michael Bufe
发明人： August Geiger , Alexander Knappe , Michael Bufe
IPC分类号： B23B45/02 , B25F5/00 , H01H7/02 , H01H21/10 , H01H21/52 , H02P3/04 , H02P3/06 , H02P25/14 , H01H9/00
CPC分类号： H02P3/06 , H01H21/10 , H01H21/52 , H01H2300/002 , H01H7/02
摘要： An electrical switch, particularly for a breaking circuit includes first and second changeover switches. The first and second changeover switches each comprise first and second stationary contacts and a switching contact. A plunger is operatively connected to a rocker for causing the rocker to pivot between a non-operated position and an operated position. The second stationary contacts are associated with the non-operated position of the plunger. A spring is connected between the rocker and the switching contacts. The spring is arranged on the rocker and on the switching contacts so that at least when switching over from the second stationary contacts to the first stationary contacts the switching contacts are lifted off the second stationary contacts essentially synchronously. A delay device is coupled to the switching contact of the first changeover switch for only delaying movement of the first switching contact of the first changeover switch when switching over from the first stationary contact to the second stationary contact after that switching contact has lifted off the first stationary contact. The switching contact of the first changeover switch thus comes to rest against its second stationary contact later than the switching contact of the second changeover switch comes to rest against its second stationary contact.
摘要翻译： 特别是用于断路的电开关包括第一和第二转换开关。 第一和第二转换开关各自包括第一和第二固定触点和开关触点。 柱塞可操作地连接到摇杆，用于使摇臂在非操作位置和操作位置之间枢转。 第二固定触头与柱塞的非操作位置相关联。 弹簧连接在摇臂和开关触点之间。 弹簧布置在摇杆和开关触点上，使得至少从第二固定触点切换到第一固定触点时，开关触点基本上同步地从第二固定触点提升。 延迟装置耦合到第一转换开关的开关触点，仅在第一切换开关从第一固定触点切换到第二固定触点之后，延迟第一切换开关的第一开关触点的移动， 固定接触 因此，第一切换开关的开关触点相对于第二转换开关的开关触点相对于其第二固定触点而停止抵靠其第二固定触点。
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公开(公告)号：US5449992A
公开(公告)日：1995-09-12
申请号：US125864
申请日：1993-09-24
申请人： August Geiger , Alexander Knappe , Michael Bufe
发明人： August Geiger , Alexander Knappe , Michael Bufe
IPC分类号： B23B45/02 , B25F5/00 , H01H7/02 , H01H21/10 , H01H21/52 , H02P3/04 , H02P3/06 , H02P25/14 , H02K7/10
CPC分类号： H02P3/06 , H01H21/10 , H01H21/52 , H01H2300/002 , H01H7/02
摘要： A braking circuit for an electric motor includes a braking device for being connected in a circuit for braking the electric motor, a braking switch including first and second changeover switches for switching between a motor mode and a braking mode, and a control device. Switching contacts of the first and second changeover switches are switched between a first position for contacting, respectively, first stationary contacts of the first and second changeover switches in the motor mode, and a second position for contacting, respectively, second stationary contacts of the first and second changeover switches in the braking mode. The control device is coupled to the first and second changeover switches for controlling the switching between the motor mode to the braking mode so that when switching between motor mode to the braking mode, the switching movement of first changeover switch, which is closest to the power supply, is delayed with respect to the switching movement of the second changeover switch, and when switching from the braking mode to the motor mode, the changeover switches move essentially synchronously and simultaneously.
摘要翻译： 一种用于电动机的制动电路包括：用于连接在用于制动电动机的电路中的制动装置，包括用于在电动机模式和制动模式之间切换的第一和第二转换开关的制动开关和控制装置。 第一和第二转换开关的开关触点在用于接触的第一位置和第二位置之间切换，第一位置分别与电动机模式下的第一和第二转换开关的第一固定触点和第二位置分别接触第一和第二转换开关的第二固定触点 和制动模式下的第二转换开关。 控制装置连接到第一和第二转换开关，用于控制电动机模式与制动模式之间的切换，使得当在电动机模式与制动模式之间切换时，最接近动力的第一转换开关的切换运动 电源相对于第二转换开关的切换运动被延迟，并且当从制动模式切换到电动机模式时，转换开关基本上同步地并且同时地移动。
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公开(公告)号：US07095189B2
公开(公告)日：2006-08-22
申请号：US11103295
申请日：2005-04-11
申请人： András Lelkes , Michael Bufe
发明人： András Lelkes , Michael Bufe
CPC分类号： H02P6/34
摘要： The invention relates to a method for controlling a brushless electric motor for operation within a specified supply voltage range, a motor control controlling the winding voltage by means of pulse width modulation (PWM) and regulating the rotational speed to a specified speed. According to the invention, the motor is so rated that the nominal rotational speed is just achieved at the nominal operating point at the nominal supply voltage and at the maximum PWM ratio.
摘要翻译： 本发明涉及一种用于在规定的电源电压范围内操作的无刷电动机的控制方法，通过脉宽调制（PWM）控制绕组电压并将转速调节到指定速度的电动机控制。 根据本发明，电动机的额定值是标称转速刚好在标称工作点以标称电源电压和最大PWM比实现。
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公开(公告)号：US20050231139A1
公开(公告)日：2005-10-20
申请号：US11103295
申请日：2005-04-11
申请人： Andras Lelkes , Michael Bufe
发明人： Andras Lelkes , Michael Bufe
CPC分类号： H02P6/34
摘要： The invention relates to a method for controlling a brushless electric motor for operation within a specified supply voltage range, a motor control controlling the winding voltage by means of pulse width modulation (PWM) and regulating the rotational speed to a specified speed. According to the invention, the motor is so rated that the nominal rotational speed is just achieved at the nominal operating point at the nominal supply voltage and at the maximum PWM ratio.
摘要翻译： 本发明涉及一种用于在规定的电源电压范围内操作的无刷电动机的控制方法，通过脉宽调制（PWM）控制绕组电压并将转速调节到指定速度的电动机控制。 根据本发明，电动机的额定值是标称转速刚好在标称工作点以标称电源电压和最大PWM比实现。
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