Motor driving circuit and motor component

    公开(公告)号:US10205412B2

    公开(公告)日:2019-02-12

    申请号:US15231115

    申请日:2016-08-08

    摘要: A motor driving circuit and a motor component are provided. The motor driving circuit includes a bidirectional alternating current switch connected in series with a motor across two terminals of an external alternating current power supply, where the bidirectional alternating current switch is connected between a first node and a second node; a rectifying circuit; a magnetic sensor, configured to detect a magnetic field of a rotor and output a corresponding magnetic inductive signal; a first voltage drop circuit and a second voltage drop circuit connected in series between the first input terminal of the rectifying circuit and the first node, where there is a third node between the first voltage drop circuit and the second voltage drop circuit, and the first voltage drop circuit is connected between the first node and the third node; a switch circuit connected between the third node and a control terminal of the bidirectional alternating current switch, where the switch circuit includes a first terminal, a second terminal, a control terminal and a switch arranged between the first terminal and the second terminal; and a switch control circuit connected between the control terminal of the switch circuit and an output terminal of the magnetic sensor.

    Variable speed drive system
    2.
    发明授权
    Variable speed drive system 有权
    变速驱动系统

    公开(公告)号:US08760089B2

    公开(公告)日:2014-06-24

    申请号:US12951176

    申请日:2010-11-22

    申请人: Robert C. Smith

    发明人: Robert C. Smith

    IPC分类号: H02P25/10 H02K27/04

    摘要: This disclosure relates to a control system for driving a motor. The motor may include a cut-out circuit. The control system may include a buck-boost circuit to limit the rate of change of an output voltage before the output voltage is applied to operate the motor.

    摘要翻译: 本公开涉及一种用于驱动马达的控制系统。 马达可以包括切断电路。 控制系统可以包括降压 - 升压电路,以在施加输出电压之前限制输出电压的变化率以操作电动机。

    Method for the detection of the rotational position of the rotor of a DC motor with commutator
    3.
    发明授权
    Method for the detection of the rotational position of the rotor of a DC motor with commutator 有权
    具有换向器的直流电动机转子旋转位置检测方法

    公开(公告)号:US07800321B2

    公开(公告)日:2010-09-21

    申请号:US11857025

    申请日:2007-09-18

    CPC分类号: H02P7/0094 G01P3/48 H02P7/04

    摘要: In a method for the detection of the rotational position of the rotor of a DC motor with commutator by evaluating the time development of a rotor current signal of the DC motor, said signal comprising a periodic waviness around an average value and comprising current ripples generated by commutation which are superimposed to said waviness, the rotor current signal of a current ripple detector unit (30) is supplied for detecting the current ripples of the rotor current signal. The rotor current signal is further supplied to a waviness detector unit (34) for detecting a half or full wave of the rotor current signal. The current ripple detector unit (30) is arranged to output a current ripple pulse for each detected current ripple. The waviness detector unit (34) is arranged to output a waviness pulse for each period of the waviness. The output signals of both detector units (30,34) are supplied to a logic OR unit (38) for generating a logic signal. Within a period of the rotor current signal, at least one of the detector units (30,34) will output a pulse. Thereby, the logic signal comprises a logic pulse for each period of the rotor current signal.

    摘要翻译: 在通过评估直流电动机的转子电流信号的时间发展来检测具有换向器的直流电动机的转子的旋转位置的方法中,所述信号包括围绕平均值的周期性波动,并且包括由 叠加到所述波纹的换向,电流纹波检测器单元(30)的转子电流信号被提供用于检测转子电流信号的电流纹波。 转子电流信号进一步提供给波纹检测器单元(34),用于检测转子电流信号的一半或全波。 电流纹波检测器单元(30)被布置成针对每个检测到的电流纹波输出电流纹波脉冲。 波纹检测器单元(34)布置成在波纹的每个周期输出波纹脉冲。 两个检测器单元(30,34)的输出信号被提供给用于产生逻辑信号的逻辑或单元(38)。 在转子电流信号的时段内,检测器单元(30,34)中的至少一个将输出脉冲。 因此,逻辑信号包括转子电流信号的每个周期的逻辑脉冲。

    Brushless repulsion motor speed control system
    4.
    发明申请
    Brushless repulsion motor speed control system 有权
    无刷斥力电机调速系统

    公开(公告)号:US20050093504A1

    公开(公告)日:2005-05-05

    申请号:US10977268

    申请日:2004-10-29

    申请人: William Jones

    发明人: William Jones

    IPC分类号: H02P25/10 H02P1/24

    CPC分类号: H02P25/102

    摘要: A system for controlling the speed of a brushless repulsion motor having a series of switches mounted on a rotating armature for shorting circumferentially spaced armature coils comprising first stationary signaling means and a plurality of rotating detectors for activating said switches; second stationary signaling means for speed control; a plurality of markers on the rotating armature; a speed detector for detecting the speed of the rotating markers and generating a speed feedback signal; means for generating a speed command signal; an error calculator for comparing the speed feedback and speed command signals and generating an error signal; and a controller for controlling the signaling means based on the error signal.

    摘要翻译: 一种用于控制无刷排斥电动机的速度的系统,其具有安装在旋转电枢上的一系列开关,用于短路周向间隔的电枢线圈,其包括第一固定信号装置和用于启动所述开关的多个旋转检测器; 用于速度控制的第二固定信号装置; 旋转电枢上的多个标记; 速度检测器,用于检测旋转标记的速度并产生速度反馈信号; 用于产生速度指令信号的装置; 误差计算器,用于比较速度反馈和速度指令信号并产生误差信号; 以及控制器,用于基于所述误差信号来控制所述信令装置。

    Speed control circuit for a universal motor
    5.
    发明授权
    Speed control circuit for a universal motor 失效
    通用电机调速电路

    公开(公告)号:US5530325A

    公开(公告)日:1996-06-25

    申请号:US81385

    申请日:1993-06-24

    IPC分类号: H02P25/10 H02P25/14 H02P5/32

    CPC分类号: H02P25/145

    摘要: A control circuit is proposed, which can be used for the phase-shift control of an electric motor in an a.c. voltage supply line. The ground connector of the control circuit, together with the cathode of a semiconductor switch (triac), is directly connected with load current circuit. Because of this, it is possible to do without potential-separating means when it is intended to feed signals at the load current circuit directly into the control circuit. An auxiliary voltage source is connected between the synchronization input and the ground connector to maintain the function of the synchronization input.

    摘要翻译: PCT No.PCT / DE91 / 00897 Sec。 371日期:1993年6月24日 102(e)日期1993年6月24日PCT 1991年11月16日PCT PCT。 公开号WO92 / 11688 日期:1992年7月9日。提出了一种控制电路,可用于电动机的相移控制。 电源线。 控制电路的接地连接器与半导体开关(triac)的阴极一起直接与负载电流电路连接。 因此,当将负载电流电路中的信号直接馈送到控制电路时,可以不使用电位分离装置。 辅助电压源连接在同步输入和接地连接器之间,以保持同步输入的功能。

    Device for controlling the variation of the power and/or the speed of a
load
    6.
    发明授权
    Device for controlling the variation of the power and/or the speed of a load 失效
    用于控制负载变化和/或负载速度的装置

    公开(公告)号:US5498946A

    公开(公告)日:1996-03-12

    申请号:US237172

    申请日:1994-05-03

    摘要: The invention relates to a device for controlling the variation of the power and/or the speed of a load (2), such as an asynchronous, synchronous, universal motor, a transformer, an inductance, a condenser or a resistor, comprising a switch (5) placed on a phase (4) of a single-phase or multiphase alternating-current supply-circuit (3), this switch (5) being associated with means (6) for controlling the cyclic ratio .alpha./T in which .alpha. corresponds to the time of opening and closing of the circuit (3) by the switch (5) and T to the period of the phase (4) on which this latter is placed. In fact, the switch (5) is of the bidirectional MOS, IGBT or bipolar transistor switch type, this switch (5) being associated with means (9) for controlling the switching time, of the DRIVER type, capable of extending the switching time at closing so that it be within a range from 10 microseconds to 1 millisecond.

    摘要翻译: 本发明涉及一种用于控制诸如异步,同步,通用电动机,变压器,电感,电容器或电阻器的负载(2)的功率和/或速度变化的装置,包括开关 (5)放置在单相或多相交流电源电路(3)的相(4)上,该开关(5)与用于控制循环比α/ T的装置(6)相关联,其中α 对应于通过开关(5)和T将电路(3)的打开和关闭的时间设置为放置后者的相位(4)的周期。 事实上,开关(5)是双向MOS,IGBT或双极型晶体管开关型,该开关(5)与用于控制开关时间的装置(9)相关联,驱动器类型能够延长开关时间 在关闭时使其在10微秒至1毫秒的范围内。

    Load monitoring circuit for electric motors
    7.
    发明授权
    Load monitoring circuit for electric motors 失效
    电动机负载监控电路

    公开(公告)号:US4517502A

    公开(公告)日:1985-05-14

    申请号:US594773

    申请日:1984-03-26

    摘要: Disclosed is a monitoring circuit responding to different operational conditions of an electric motor. The circuit includes a measuring resistor connected in series with the stator winding of the motor to produce an actual load value signal. The actual value signal is applied to one input of a comparison circuit whose other input is consecutively supplied with three different nominal reference voltages corresponding to principle operational conditions of the motor, namely to the starting phase, to the normal operational phase, and to an overload. The source of the variable reference voltage includes switching transistor cooperating with a timing member and with voltage dividers adjustable from zero to a maximum nominal voltage value corresponding to the power supply voltage.

    摘要翻译: 公开了响应于电动机的不同操作条件的监视电路。 电路包括与电动机的定子绕组串联的测量电阻器,以产生实际的负载值信号。 实际值信号被施加到比较电路的一个输入,其另一个输入连续地被提供有三个不同的标称参考电压,这三个不同的标称参考电压对应于电动机的主要工作条件,即起动阶段,到正常运行阶段, 。 可变参考电压的源包括与定时构件协作的开关晶体管,以及可以从零调节到对应于电源电压的最大额定电压值的分压器。

    Feedback motor control circuit
    8.
    发明授权
    Feedback motor control circuit 失效
    反馈电机控制电路

    公开(公告)号:US4326153A

    公开(公告)日:1982-04-20

    申请号:US167627

    申请日:1980-07-11

    申请人: Robert F. Contri

    发明人: Robert F. Contri

    IPC分类号: H02P25/10 H02P25/14

    CPC分类号: H02P25/145 Y10S388/917

    摘要: A magnetic tachometer sensor for a motor control circuit having a motor driven interrupter wheel in proximity thereto supplies a motor speed signal to a frequency to voltage converter. The frequency to voltage converter produces a DC signal proportional to the speed of the interrupter wheel. The DC signal is compared to a user selected reference voltage in an error amplifier, thereby producing an error signal. The error signal is supplied to an output comparator which also receives a sawtooth timing reference signal in synchronism with power supply alternating current. The output comparator switches to trigger a triac into conduction when the sawtooth signal voltage exceeds the error voltage, thereby providing highly accurate timing of the switching point of the triac. The triac is arranged to provide a phase angle speed control for an electric motor used in a household appliance.

    摘要翻译: 用于电动机控制电路的磁转速表传感器具有靠近其的马达驱动的断续器轮,其将电机速度信号提供给频率 - 电压转换器。 频率到电压转换器产生与断路器转速成比例的直流信号。 将DC信号与误差放大器中的用户选择的参考电压进行比较,从而产生误差信号。 误差信号被提供给输出比较器,其也与电源交流电同步地接收锯齿定时参考信号。 当锯齿波信号电压超过误差电压时,输出比较器切换触发三端双向可控硅开关导通,从而为三端双向可控硅开关点提供高度准确的定时。 三端双向可控硅开关元件设置成为家用电器中使用的电动机提供相位角速度控制。

    Speed control circuit for electric motors
    9.
    发明授权
    Speed control circuit for electric motors 失效
    电动机速度控制电路

    公开(公告)号:US4181876A

    公开(公告)日:1980-01-01

    申请号:US877350

    申请日:1978-02-13

    CPC分类号: H02P25/14

    摘要: The speed control circuit comprises a full wave rectifier having its output connected to an adjustable D.C. voltage divider. A series circuit connected to an A.C. power source includes an electric motor and an anti-parallel connection of two thyristors. The gates of the thyristors are connected to the output of the voltage divider via separate trigger circuits each providing a different trigger voltage proportional to the setting of the voltage divider. In this manner one or both thyristors may be selectively activated and the electric motor can be driven with half the waves as well as with full waves of the power source.

    摘要翻译: 速度控制电路包括一个全波整流器,其输出端连接到一个可调直流分压器。 连接到交流电源的串联电路包括电动机和两个晶闸管的反并联连接。 晶闸管的栅极通过单独的触发电路连接到分压器的输出,每个触发电路提供与分压器的设置成比例的不同触发电压。 以这种方式,一个或两个晶闸管可以被选择性地激活,并且电动机可以用一半的波以及电源的全波来驱动。

    SCR controlled universal motor
    10.
    发明授权
    SCR controlled universal motor 失效
    SCR控制通用电机

    公开(公告)号:US4065705A

    公开(公告)日:1977-12-27

    申请号:US662959

    申请日:1976-03-01

    CPC分类号: H02K3/20 H02K23/22

    摘要: In an SCR circuit controlled universal motor, means is provided for smooth speed control at all speed settings especially low settings which comprises a series wound stator field as part of the motor and at least one closed conductor loop of wire encircling the stator magnetic flux path.

    摘要翻译: 在SCR电路控制的通用电动机中,提供了用于在所有速度设置下的平滑速度控制的装置,特别是包括作为电动机的一部分的串联绕组定子磁场和包围定子磁通路径的至少一个闭合导线环的低设置。