CN113489422A - 一种联机电机控制系统及控制方法 - Google Patents

一种联机电机控制系统及控制方法 Download PDF

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CN113489422A
CN113489422A CN202110798055.1A CN202110798055A CN113489422A CN 113489422 A CN113489422 A CN 113489422A CN 202110798055 A CN202110798055 A CN 202110798055A CN 113489422 A CN113489422 A CN 113489422A
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mcu
motor
control module
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diode
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舒正伟
郭海波
黄建平
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Zhejiang Yili Machinery and Electric Co Ltd
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Zhejiang Yili Machinery and Electric Co Ltd
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02PCONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P29/00Arrangements for regulating or controlling electric motors, appropriate for both AC and DC motors
    • H02P29/40Regulating or controlling the amount of current drawn or delivered by the motor for controlling the mechanical load
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/08Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors
    • H02H7/0833Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors for electric motors with control arrangements
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/08Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors
    • H02H7/085Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors against excessive load
    • H02H7/0854Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors against excessive load responsive to rate of change of current, couple or speed, e.g. anti-kickback protection
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02PCONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P1/00Arrangements for starting electric motors or dynamo-electric converters
    • H02P1/16Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters
    • H02P1/18Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters for starting an individual dc motor
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02PCONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P7/00Arrangements for regulating or controlling the speed or torque of electric DC motors
    • H02P7/06Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current
    • H02P7/18Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power
    • H02P7/24Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices
    • H02P7/28Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Electric Motors In General (AREA)

Abstract

本发明适用于电机控制技术领域,提供了一种联机电机控制系统及控制方法,通过设置电机M2、电源控制模块、电机驱动模块、电流采样回路、二极管D2,从而通过MCU检测模块二将电流采样回路到电机M2主回路电流信号反馈给MCU,当发生电路故障时,启动保护:MCU关闭MCU控制模块一和MCU控制模块二信号,电机驱动模块断开,电机M2断电停止工作,本发明可实现电机M2的软启动;减小启动时对开关S2的冲击和损伤,延长开关S2的寿命;可实现对电机M2电流的监测与控制。

Description

一种联机电机控制系统及控制方法
技术领域
本发明属于电机控制技术领域,尤其涉及一种联机电机控制系统及控制方法。
背景技术
现有种联机的电机控制方式:开关S2放在电机M2主回路上。工作原理是S2开关闭合M2电机通电,S2开关断开M2电机断电(如图一所示)。
无法实现电机M2的软启动;对开关的冲击和损伤大,会缩短开关的寿命;无法实现对电机M2电流的监测与控制。
发明内容
本发明提供一种联机电机控制系统及控制方法,旨在解决现有技术存在的问题。
本发明是这样实现的,提供一种联机电机控制系统,包括电机M2、电源控制模块、电机驱动模块、电流采样回路、二极管D2;
所述电源控制模块连接所述电机驱动模块、电机M2和二极管D2的输入端;所述电机M2连接所述二极管D2的输出端和电源;所述电机驱动模块连接所述电流采样回路的一端;所述电流采样回路的另一端接地;
所述电源控制模块连接有MCU检测模块一和MCU控制模块一;
所述电机驱动模块连接有MCU控制模块二;所述电流采样回路连接有MCU检测模块二;
其中,所述MCU检测模块二用于将电流采样回路到电机M2主回路电流信号反馈给MCU,当发生电路故障时,启动保护:MCU关闭MCU控制模块一和MCU控制模块二信号,电机驱动模块断开,电机M2断电停止工作。
优选的,还包括开关S2;
所述开关S2的串联在所述电机M2和所述二极管D2的输出端之间。
优选的,所述电路故障包括过流、断路。
本发明还提供一种联机电机控制方法,包括以下步骤:
S1、安装如上述任意一种联机电机控制系统;
S2、断开电机M2和二极管D2之间的连接,电源上电,MCU检测模块一无信号反馈、MCU控制模块一、MCU控制模块二信号关闭;
电源控制模块的MCU供电输出低电平,电机驱动模块断开,电机M2不工作;连接电机M2和二极管D2,电源控制模块接收到信号,MCU供电输高电平,MCU通电工作,MCU检测模块一信号反馈给MCU,确认为电机M2和二极管D2为通电连接状态,MCU输出MCU控制模块一信号,维持电源控制模块输出高电平,MCU输出MCU控制模块二信号,电机驱动模块闭合,电机M2工作;断开电机M2和二极管D2之间的连接,MCU检测模块二把电流采样回路检测到的电机M2主回路的空载信号反馈给MCU,MCU关闭MCU控制模块一和MCU控制模块二信号,电机驱动模块断开,MCU检测模块一信号关闭,电源控制模块关闭输出,电机M2停止工作;
S3、电机M2工作过程中,MCU检测模块二把电流采样回路到电机M2主回路电流信号反馈给MCU;如发生电路故障时,启动保护:MCU关闭MCU控制模块二和MCU控制模块一信号,电机驱动模块断开,电机M2断电停止工作。
优选的,在所述电机M2和所述二极管D2的输出端之间串联开关S2;并且通过开关S2的打开和闭合以控制电机M2和二极管D2之间的连接状态。
优选的,所述电路故障包括过流、断路。
与现有技术相比,本发明的有益效果是:本发明的一种联机电机控制系统及控制方法,通过设置电机M2、电源控制模块、电机驱动模块、电流采样回路、二极管D2,从而通过MCU检测模块二将电流采样回路到电机M2主回路电流信号反馈给MCU,当发生电路故障时,启动保护:MCU关闭MCU控制模块一和MCU控制模块二信号,电机驱动模块断开,电机M2断电停止工作,本发明可实现电机M2的软启动;减小启动时对开关S2的冲击和损伤,延长开关S2的寿命;可实现对电机M2电流的监测与控制。
附图说明
图1为现有技术的电机控制系统的结构示意图。
图2为本发明的一种电机控制系统的结构示意图。
具体实施方式
为了使本发明的目的、技术方案及优点更加清楚明白,以下结合附图及实施例,对本发明进行进一步详细说明。应当理解,此处所描述的具体实施例仅仅用以解释本发明,并不用于限定本发明。
请参阅图2,本发明利用电机绕组是导线,将开关信号反馈给MCU,实现MCU对电机的控制。本发明提供一种技术方案:一种联机电机控制系统及控制方法,联机电机控制系统包括电机M2、电源控制模块、电机驱动模块、电流采样回路、二极管D2、开关S2。
电源控制模块连接电机驱动模块、电机M2和二极管D2的输入端;电机M2连接二极管D2的输出端和电源;电机驱动模块连接电流采样回路的一端;电流采样回路的另一端接地;开关S2的串联在电机M2和二极管D2的输出端之间。
电源控制模块连接有MCU检测模块一和MCU控制模块一。
电机驱动模块连接有MCU控制模块二;电流采样回路连接有MCU检测模块二。
其中,MCU检测模块二用于将电流采样回路到电机M2主回路电流信号反馈给MCU,当发生过流、断路时,启动保护:MCU关闭MCU控制模块一和MCU控制模块二信号,电机驱动模块断开,电机M2断电停止工作。
本发明的一种联机电机控制方法,基于上述的一种联机电机控制系统,包括以下步骤:
S1、安装上述的一种联机电机控制系统。
S2、断开电机M2和二极管D2之间的连接,电源上电,MCU检测模块一无信号反馈、MCU控制模块一、MCU控制模块二信号关闭。
电源控制模块的MCU供电输出低电平,电机驱动模块断开,电机M2不工作;连接电机M2和二极管D2,电源控制模块接收到信号,MCU供电输高电平,MCU通电工作,MCU检测模块一信号反馈给MCU,确认为电机M2和二极管D2为通电连接状态,MCU输出MCU控制模块一信号,维持电源控制模块输出高电平,MCU输出MCU控制模块二信号,电机驱动模块闭合,电机M2工作;断开电机M2和二极管D2之间的连接,MCU检测模块二把电流采样回路检测到的电机M2主回路的空载信号反馈给MCU,MCU关闭MCU控制模块一和MCU控制模块二信号,电机驱动模块断开,MCU检测模块一信号关闭,电源控制模块关闭输出,电机M2停止工作。
S3、电机M2工作过程中,MCU检测模块二把电流采样回路到电机M2主回路电流信号反馈给MCU;如发生电路故障时,启动保护:MCU关闭MCU控制模块二和MCU控制模块一信号,电机驱动模块断开,电机M2断电停止工作。
其中,电机M2和二极管D2的输出端之间串联开关S2;并且通过开关S2的打开和闭合以控制电机M2和二极管D2之间的连接状态。
另外,电路故障包括但不限于过流、断路。
本发明的一种联机电机控制系统及控制方法,通过设置电机M2、电源控制模块、电机驱动模块、电流采样回路、二极管D2,从而通过MCU检测模块二将电流采样回路到电机M2主回路电流信号反馈给MCU,当发生电路故障时,启动保护:MCU关闭MCU控制模块一和MCU控制模块二信号,电机驱动模块断开,电机M2断电停止工作,本发明可实现电机M2的软启动;减小启动时对开关S2的冲击和损伤,延长开关S2的寿命;可实现对电机M2电流的监测与控制。
以上所述仅为本发明的较佳实施例而已,并不用以限制本发明,凡在本发明的精神和原则之内所作的任何修改、等同替换和改进等,均应包含在本发明的保护范围之内。

Claims (6)

1.一种联机电机控制系统,其特征在于:包括电机M2、电源控制模块、电机驱动模块、电流采样回路、二极管D2;
所述电源控制模块连接所述电机驱动模块、电机M2和二极管D2的输入端;所述电机M2连接所述二极管D2的输出端和电源;所述电机驱动模块连接所述电流采样回路的一端;所述电流采样回路的另一端接地;
所述电源控制模块连接有MCU检测模块一和MCU控制模块一;
所述电机驱动模块连接有MCU控制模块二;所述电流采样回路连接有MCU检测模块二;
其中,所述MCU检测模块二用于将电流采样回路到电机M2主回路电流信号反馈给MCU,当发生电路故障时,启动保护:MCU关闭MCU控制模块一和MCU控制模块二信号,电机驱动模块断开,电机M2断电停止工作。
2.如权利要求1所述的一种联机电机控制系统,其特征在于:还包括开关S2;
所述开关S2的串联在所述电机M2和所述二极管D2的输出端之间。
3.如权利要求1所述的一种联机电机控制系统,其特征在于:所述电路故障包括过流、断路。
4.一种联机电机控制方法,其特征在于:包括以下步骤:
S1、安装如上述权利要求1至3任意一项所述的一种联机电机控制系统;
S2、断开电机M2和二极管D2之间的连接,电源上电,MCU检测模块一无信号反馈、MCU控制模块一、MCU控制模块二信号关闭;
电源控制模块的MCU供电输出低电平,电机驱动模块断开,电机M2不工作;连接电机M2和二极管D2,电源控制模块接收到信号,MCU供电输高电平,MCU通电工作,MCU检测模块一信号反馈给MCU,确认为电机M2和二极管D2为通电连接状态,MCU输出MCU控制模块一信号,维持电源控制模块输出高电平,MCU输出MCU控制模块二信号,电机驱动模块闭合,电机M2工作;断开电机M2和二极管D2之间的连接,MCU检测模块二把电流采样回路检测到的电机M2主回路的空载信号反馈给MCU,MCU关闭MCU控制模块一和MCU控制模块二信号,电机驱动模块断开,MCU检测模块一信号关闭,电源控制模块关闭输出,电机M2停止工作;
S3、电机M2工作过程中,MCU检测模块二把电流采样回路到电机M2主回路电流信号反馈给MCU;如发生电路故障时,启动保护:MCU关闭MCU控制模块二和MCU控制模块一信号,电机驱动模块断开,电机M2断电停止工作。
5.如权利要求4所述的一种联机电机控制方法,其特征在于:在所述电机M2和所述二极管D2的输出端之间串联开关S2;并且通过开关S2的打开和闭合以控制电机M2和二极管D2之间的连接状态。
6.如权利要求1所述的一种联机电机控制方法,其特征在于:所述电路故障包括过流、断路。
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