WO2011060666A1 - Soft-start module and startup device for motor controller using the same - Google Patents
Soft-start module and startup device for motor controller using the same Download PDFInfo
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- WO2011060666A1 WO2011060666A1 PCT/CN2010/077242 CN2010077242W WO2011060666A1 WO 2011060666 A1 WO2011060666 A1 WO 2011060666A1 CN 2010077242 W CN2010077242 W CN 2010077242W WO 2011060666 A1 WO2011060666 A1 WO 2011060666A1
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- control unit
- circuit
- motor controller
- main working
- soft start
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P1/00—Arrangements for starting electric motors or dynamo-electric converters
- H02P1/02—Details
Definitions
- the utility model relates to a soft start module and a motor controller starting device thereof.
- the existing motor controller soft start device usually has a resistor in the front end of the capacitor. When the power is turned on, the resistor is used to limit the current. After a set delay time, the timer is usually set or by the motor controller. To drive control a pair of relay contacts in parallel with the resistor to close, short circuit the resistor, complete the soft start control.
- the existing soft start circuit usually operates in a slave state, and cannot perform self-control work independently, which brings about the normal operation of itself and the motor controller or timer.
- the purpose of the utility model is to provide a soft start module, which can independently perform self-control work, and the working state is active state, which more effectively suppresses surge current, thereby self-protecting and protecting the electrical equipment of the latter stage. effect.
- a soft start module includes a main working circuit, a detecting circuit, a control unit, and a power supply portion,
- the control unit is respectively connected with the main working circuit, the detecting circuit and the power supply part, the power supply part supplies the working power to the detecting circuit and the control unit, the input end of the main working circuit is connected to the direct current, and one end of the detecting circuit is connected to the output end of the main working circuit, The other end is connected to the control unit, the detection circuit detects the terminal voltage of the output end of the main working circuit, and transmits it to the control unit.
- the control unit outputs a corresponding control signal to control the operation of the main working circuit, so that the output of the stable DC power is supplied to the subsequent electrical equipment. .
- the soft start module described above is further provided with a trigger, and the control unit transmits a start control signal to the rear-level electrical device by controlling the trigger action, and controls the rear-level electrical device to complete the startup work.
- the above-mentioned flip-flops may be relay switches, or components having on-off control characteristics such as a photocoupler or a field effect transistor or a triode.
- the control unit described above can control the operation of the main working circuit by integrating or externally driving a driving unit.
- the main working circuit described above is composed of a switch component, a resistor and a capacitor.
- the switch component is connected in parallel with the resistor and connected in series with a capacitor, and is connected to a DC power source.
- the switch component can be a relay switch or a thyristor switch device. , or a triode component.
- the power supply part described above uses a built-in switching power supply, which can be powered by a DC power supply device provided by an external electrical system.
- Another object of the present invention is to provide a motor controller starting device, which has a soft start module capable of independently performing self-control work and an active state in an active state, which more effectively suppresses surge inrush current in the circuit. Thus, it plays a role in self-protection and protection of the motor controller.
- a motor controller starting device comprises a motor controller and a soft start module, wherein an input end of the soft start module is connected to a direct current, and an output end thereof is connected with an input end of the motor controller to provide a stable start control power to the motor controller.
- the soft start module includes a main working circuit, a detecting circuit, a control unit and a power supply part, and the control unit is respectively connected with the main working circuit, the detecting circuit and the power supply part, and the power supply part supplies the working power to the detecting circuit and the control unit, and the input of the main working circuit
- the terminal is connected to the direct current, one end of the detecting circuit is connected to the output end of the main working circuit, and the other end is connected to the control unit, and the detecting circuit detects the terminal voltage of the output end of the main working circuit, and transmits it to the control unit, and the control unit
- the corresponding control signal is output to control the operation of the main working circuit, so that the output of stable DC power is supplied to the motor controller.
- the soft start module described above is further provided with a trigger, and the control unit transmits a start control signal to the motor controller by controlling the trigger action to control the motor controller to complete the startup work.
- the motor controller described above comprises a central control unit and a power supply module.
- the power supply module supplies working power to the central control unit, and the input end of the power supply module is connected to the output end of the main working circuit of the soft start module, and the control unit of the soft start module
- the control circuit inside the central control unit is turned on by controlling the trigger action, and the start control signal is transmitted to the central control unit, and finally the motor controller is controlled to complete the startup work.
- the above-mentioned flip-flops may be relay switches, or components having on-off control characteristics such as a photocoupler or a field effect transistor or a triode.
- the control unit described above can drive and control the main working circuit by integrating or externally driving a driving unit, and the power part adopts a built-in switching power supply, which is powered by a DC power supply device provided by an external electrical system, and the power module adopts a built-in switching power supply. It is powered by DC output from the soft start module.
- the main working circuit is composed of switch components, resistors and capacitors. The switch components are connected in parallel with the resistors and connected in series with the DC power supply. The switch components can be relay switches, or It is a thyristor switching device or a triode component.
- the utility model has the following effects: 1) The soft start module can independently complete the self-control work, and the working state is the active state, which more effectively suppresses the surge current in the circuit, thereby self-protecting and protecting the motor controller. 2)
- the starting device detects the terminal voltage of the output terminal of the main working circuit in the soft start module through the detecting circuit, and knows the real-time charging state of the capacitor at the output end to judge the soft start process. When the capacitor is fully charged, the soft start is ended. And through the control unit through the control trigger action, send a switch signal representing the completion of the soft start to the motor controller to control the conduction of the control circuit inside the motor controller, so that the motor controller completes the start control, the control is accurate, safe and reliable.
- FIG. 1 is a circuit block diagram of a soft start module of the present invention.
- FIG. 2 is a circuit diagram of one of the flip-flops of FIG. 1.
- FIG. 3 is another circuit configuration diagram of the flip-flop of FIG. 1.
- FIG. 4 is a schematic structural view of a motor controller starting device of the present invention.
- Figure 1 shows a soft start module, which comprises a main working circuit 1, a detecting circuit, a control unit and a power supply part.
- the control unit is respectively connected with the main working circuit 1, the detecting circuit and the power supply part, and the power supply part is sent to the detecting circuit.
- the control unit provides working power, the input end of the main working circuit 1 is connected to direct current, one end of the detecting circuit is connected to the output end of the main working circuit 1, and the other end is connected to the control unit, and the detecting circuit detects the terminal voltage of the output end of the main working circuit 1, And transmitting it to the control unit, the control unit outputs a corresponding control signal to control the operation of the main working circuit 1, so that the output of the stable DC power is supplied to the after-stage electrical equipment.
- the control unit can drive and control the main working circuit 1 by integrating or external driving unit.
- the main working circuit 1 is composed of a relay switch K, a resistor R1 and a capacitor C1.
- the relay switch ⁇ is connected in parallel with the resistor R1 and is connected in series with the capacitor C1.
- the high-voltage DC power supply is connected to the soft start module; the soft start module is further provided with a trigger, and the control unit transmits a start control signal Von to the rear-level electrical equipment by controlling the trigger action, and the control-level electrical equipment completes the startup work, and the start control signal Von can be high or low.
- the level signal can also be a voltage signal; the flip-flop can be a relay switch or a photocoupler, and it can also be a component with on-off control characteristics such as a field effect transistor or a triode.
- the relay switch K of the main working circuit 1 can be replaced by other switching components such as a thyristor switch, a triode, and the like.
- the power supply part uses a built-in switching power supply, which is powered by a DC power supply unit provided by an external electrical system.
- the working principle of the soft start module is: After the soft start module is connected to the high voltage DC power supply, the capacitor C1 of the output terminal is charged by the current limit circuit R1 in the main working circuit 1, and the detection circuit detects the main working circuit 1 in the soft start module in real time.
- the terminal voltage of the output terminal is used to determine the real-time charging state of the capacitor C1 at the output terminal to determine the soft start process.
- the control unit sends a control signal to the driving unit, and the drive control relay switch K is closed, and the soft start is completed. Subsequently, the control unit sends an On/Off control signal to the trigger to control the trigger action, and outputs the start to the subsequent electrical device.
- the control signal Von controls the electrical equipment of the rear stage to complete the starting work.
- Figure 2 shows one of the circuit diagrams of the flip-flop. It uses a photocoupler U.
- the anode 1 of the optocoupler U is connected in series with a resistor R2 and then connected to 24V DC.
- the cathode 2 is received from the control unit.
- On the On/Off control signal a capacitor C2 is connected between the anode 1 and the cathode 2, the emitter 3 of the photocoupler U is grounded, and the collector 4 is connected in series with a resistor R3 and then connected to the DC power Vcc.
- the output high and low level start control signal Von is used to control the after-level electrical equipment to complete the startup work.
- the 24V DC power can be directly supplied by the power supply part, and the direct current power Vcc can be powered by the DC power supply device provided by the external electrical system.
- FIG 3 shows another circuit diagram of the flip-flop, which uses the relay switch K1, and the control unit sends an On/Off control signal to the relay switch K1 to control its on and off.
- One of the contacts of the relay switch K1 is connected to the DC power Vcc.
- the control unit controls the relay switch K1 to close, and the two contacts of the relay switch K1 are turned on.
- a motor controller starting device includes a motor controller and a soft start module.
- the input end of the soft start module is connected to DC power, and the output end thereof is connected to the input end of the motor controller to the motor controller.
- the soft start module comprises a main working circuit 1, a detecting circuit, a control unit and a power supply part, and the control unit is respectively connected with the main working circuit 1, the detecting circuit and the power supply part, and the power supply part is provided to the detecting circuit and the control unit Working power supply, the input end of the main working circuit 1 is connected to direct current, one end of the detecting circuit is connected to the output end of the main working circuit 1, and the other end is connected to the control unit, and the detecting circuit detects the terminal voltage of the output end of the main working circuit 1, and It is transmitted to the control unit, and the control unit outputs a corresponding control signal to control the operation of the main working circuit 1 to supply a stable DC power to the motor controller.
- the control unit can drive and control the main working circuit 1 by integrating or external driving unit.
- the main working circuit 1 is composed of a relay switch K, a resistor R1 and a capacitor C1.
- the relay switch ⁇ is connected in parallel with the resistor R1 and is connected in series with the capacitor C1.
- the high-voltage DC power supply is connected; the soft start module is also provided with a trigger, and the control unit transmits a start control signal to the motor controller by controlling the trigger action Von, the control motor controller completes the starting work, the starting control signal Von is a high and low level signal; the motor controller comprises a central control unit and a power module, the power module provides working power to the central control unit, the input end of the power module and the soft start The output of the main working circuit 1 of the module is connected, and the flip-flop can be a relay switch or a photocoupler. In addition, it can also adopt components such as a field effect transistor and a triode with on-off control characteristics.
- the power supply part adopts a built-in switching power supply, which is powered by a DC power supply device provided by an external electrical system; the power supply module uses a built-in switching power supply, which is powered by the direct current output from the main working circuit 1 of the soft start module, and the power supply module outputs a direct current Vcc to the central power supply. Control unit and trigger.
- start control signal Von may also be a voltage signal
- the relay switch K of the main working circuit 1 may be replaced by other switching components such as a thyristor switch, a triode or the like.
- the working principle of the motor controller starting device is: After the soft start module is connected to the high voltage DC power supply, the capacitor C1 of the output terminal is charged by the current limiting circuit R1 in the main working circuit 1, and the detecting circuit detects the main work in the soft start module in real time.
- the terminal voltage at the output of the circuit 1 is used to determine the real-time state of charge of the capacitor C1 at the output to determine the soft start process.
- the control unit sends a control signal to the drive unit, the drive control relay switch K is closed, and the soft start is completed. Subsequently, the control unit sends an On/Off control signal to the trigger to control the trigger action, turns on the control circuit inside the central control unit, and transmits a start control signal Von to the central control unit to finally control the motor controller to complete the startup work.
Abstract
A soft-start module and a startup device for a motor controller using the same. The soft-start module includes a main operation circuit (1), a detecting circuit (2), a control unit (3) and a power supply portion (4). The power supply portion supplies the detecting circuit and the control unit with an operating power. The main operation circuit has input terminals connected to a direct current and output terminals connected to the detecting circuit. The detecting circuit detects a voltage across the output terminals of the main operation circuit and transmits this voltage to the control unit. The control unit outputs a corresponding control signal to control the operation of the main operation circuit to output a steady direct current for supplying the motor controller. The soft- start module can independently achieve a self-control operation and effectively suppress a surge rush current in the circuit so as to perform functions of self-protection and protecting the motor controller.
Description
一种软启动模块及其应用的电机控制器启动装置 Soft start module and motor controller starting device thereof
技术领域： Technical field:
本实用新型涉及一种软启动模块及其应用的电机控制器启动装置。 背景技术： The utility model relates to a soft start module and a motor controller starting device thereof. Background technique:
目前， 对于高压直流供电的大功率电机控制器， 出于对输入纹波的平滑 等各项技术要求， 通常在其输入端并联容量较大的电容器， 当电容器存储的 电能较低时， 在直流电源接通瞬间， 会产生相当大的浪涌沖击电流， 导致电 容器本身及其前级电路发生较大的物理性损伤。 为此， 在电机控制器的前级 电路加入软启动电路， 有效抑制了浪涌沖击电流， 当电流小至某个值后， 电 机控制器的软启动完成， 进入正常工作状态。 At present, for high-voltage DC-powered high-power motor controllers, in order to smooth the input ripple, etc., a capacitor with a large capacity is usually connected in parallel at its input terminal. When the energy stored in the capacitor is low, in DC When the power is turned on, a considerable surge current is generated, which causes a large physical damage to the capacitor itself and its front-end circuit. For this reason, the soft start circuit is added to the front stage circuit of the motor controller, which effectively suppresses the surge inrush current. When the current is small to a certain value, the soft start of the motor controller is completed and enters the normal working state.
现有的电机控制器软启动装置， 通常在电容器前端串入一个电阻， 接通 电源时， 依靠此电阻限流， 经过设定的延时时间后， 往往通过专门设置计时 器或者由电机控制器来驱动控制一对与电阻并联的继电器触点闭合，将电阻 短路， 完成软启动控制。 然而采用这种软启动装置， 通常存在如下问题： 现 有的软启动电路通常在从动状态下工作， 不能独立完成自我控制工作， 这样 会给自身以及电机控制器或者计时器的正常工作带来较大的隐患， 可靠性较 差； 由于延时时间为一固定值， 电容器容量会因温度变化而发生改变， 致使 电容器充电时间常数 RC发生改变， 在延时时间范围内， 电容器未能充满电， 电机控制器就已经启动， 将会有较大的电流流过电阻， 由 W=I2R可知， 电阻上 的发热能量相当大， 电阻会瞬间烧毁， 引发安全事故。 The existing motor controller soft start device usually has a resistor in the front end of the capacitor. When the power is turned on, the resistor is used to limit the current. After a set delay time, the timer is usually set or by the motor controller. To drive control a pair of relay contacts in parallel with the resistor to close, short circuit the resistor, complete the soft start control. However, with such a soft start device, the following problems usually exist: The existing soft start circuit usually operates in a slave state, and cannot perform self-control work independently, which brings about the normal operation of itself and the motor controller or timer. Larger hidden dangers, poor reliability; Since the delay time is a fixed value, the capacitor capacity will change due to temperature changes, causing the capacitor charging time constant RC to change, and the capacitor is not fully charged within the delay time range. The motor controller has been started, and a large current will flow through the resistor. It can be seen from W=I 2 R that the heating energy on the resistor is quite large, and the resistor will burn out in an instant, causing a safety accident.
发明内容： Summary of the invention:
本实用新型的目的是提供一种软启动模块， 它能够独立完成自我控制工 作， 工作状态为主动状态， 更加有效地抑制了浪涌沖击电流， 从而起到了自 我保护及保护后级电器设备的作用。 The purpose of the utility model is to provide a soft start module, which can independently perform self-control work, and the working state is active state, which more effectively suppresses surge current, thereby self-protecting and protecting the electrical equipment of the latter stage. effect.
本实用新型的目的是通过以下技术方案予以实现的。 The purpose of the utility model is achieved by the following technical solutions.
一种软启动模块， 包括主工作电路、 检测电路、 控制单元和电源部分，
控制单元分别与主工作电路、 检测电路、 电源部分连接， 电源部分给检测电 路、 控制单元提供工作电源， 主工作电路的输入端接入直流电， 检测电路的 一端接到主工作电路的输出端， 另一端接到控制单元， 检测电路检测主工作 电路输出端的端电压， 并将其传输到控制单元， 控制单元输出相应的控制信 号控制主工作电路工作， 使其输出稳定的直流电供给后级电器设备。 A soft start module includes a main working circuit, a detecting circuit, a control unit, and a power supply portion, The control unit is respectively connected with the main working circuit, the detecting circuit and the power supply part, the power supply part supplies the working power to the detecting circuit and the control unit, the input end of the main working circuit is connected to the direct current, and one end of the detecting circuit is connected to the output end of the main working circuit, The other end is connected to the control unit, the detection circuit detects the terminal voltage of the output end of the main working circuit, and transmits it to the control unit. The control unit outputs a corresponding control signal to control the operation of the main working circuit, so that the output of the stable DC power is supplied to the subsequent electrical equipment. .
上述所述的软启动模块还设置有触发器，控制单元通过控制触发器动作 向后级电器设备传送启动控制信号， 控制后级电器设备完成启动工作。 The soft start module described above is further provided with a trigger, and the control unit transmits a start control signal to the rear-level electrical device by controlling the trigger action, and controls the rear-level electrical device to complete the startup work.
上述所述的触发器可以采用继电器开关，也可以采用光电耦合器或者场 效应管、 三极管等具备通断控制特性的元器件。 The above-mentioned flip-flops may be relay switches, or components having on-off control characteristics such as a photocoupler or a field effect transistor or a triode.
上述所述的控制单元可以通过集成或者外置一个驱动单元驱动控制主 工作电路工作。 The control unit described above can control the operation of the main working circuit by integrating or externally driving a driving unit.
上述所述的主工作电路由开关元器件、 电阻和电容组成， 开关元器件与 电阻并联后串接电容， 一并接入直流电源， 开关元器件可以是继电器开关， 或者是可控硅开关器件， 或者是三极管元器件。 The main working circuit described above is composed of a switch component, a resistor and a capacitor. The switch component is connected in parallel with the resistor and connected in series with a capacitor, and is connected to a DC power source. The switch component can be a relay switch or a thyristor switch device. , or a triode component.
上述所述的电源部分采用内置式开关电源， 它可以由外界电器系统提供 的直流电源设备供电。 The power supply part described above uses a built-in switching power supply, which can be powered by a DC power supply device provided by an external electrical system.
本实用新型的另一目的是提供一种电机控制器启动装置， 它具有一个能 够独立完成自我控制工作， 工作状态为主动状态的软启动模块， 更加有效地 抑制了电路中的浪涌沖击电流，从而起到了自我保护及保护电机控制器的作 用。 Another object of the present invention is to provide a motor controller starting device, which has a soft start module capable of independently performing self-control work and an active state in an active state, which more effectively suppresses surge inrush current in the circuit. Thus, it plays a role in self-protection and protection of the motor controller.
本实用新型的目的是通过以下技术方案予以实现的。 The purpose of the utility model is achieved by the following technical solutions.
一种电机控制器启动装置， 包括电机控制器和软启动模块， 软启动模块 的输入端接入直流电， 其输出端与电机控制器的输入端相连接， 给电机控制 器提供稳定的启动控制电源， 软启动模块包括主工作电路、 检测电路、 控制 单元和电源部分， 控制单元分别与主工作电路、 检测电路、 电源部分连接， 电源部分给检测电路、 控制单元提供工作电源， 主工作电路的输入端接入直 流电， 检测电路的一端接到主工作电路的输出端， 另一端接到控制单元， 检 测电路检测主工作电路输出端的端电压， 并将其传输到控制单元， 控制单元
输出相应的控制信号控制主工作电路工作，使其输出稳定的直流电供给电机 控制器。 A motor controller starting device comprises a motor controller and a soft start module, wherein an input end of the soft start module is connected to a direct current, and an output end thereof is connected with an input end of the motor controller to provide a stable start control power to the motor controller. The soft start module includes a main working circuit, a detecting circuit, a control unit and a power supply part, and the control unit is respectively connected with the main working circuit, the detecting circuit and the power supply part, and the power supply part supplies the working power to the detecting circuit and the control unit, and the input of the main working circuit The terminal is connected to the direct current, one end of the detecting circuit is connected to the output end of the main working circuit, and the other end is connected to the control unit, and the detecting circuit detects the terminal voltage of the output end of the main working circuit, and transmits it to the control unit, and the control unit The corresponding control signal is output to control the operation of the main working circuit, so that the output of stable DC power is supplied to the motor controller.
上述所述的软启动模块还设置有触发器，控制单元通过控制触发器动作 向电机控制器传送启动控制信号， 控制电机控制器完成启动工作。 The soft start module described above is further provided with a trigger, and the control unit transmits a start control signal to the motor controller by controlling the trigger action to control the motor controller to complete the startup work.
上述所述的电机控制器包括中央控制单元和电源模块， 电源模块给中央 控制单元提供工作电源， 电源模块的输入端与软启动模块的主工作电路的输 出端相连接，软启动模块的控制单元通过控制触发器动作接通中央控制单元 内部的控制电路， 向中央控制单元传送启动控制信号， 最终控制电机控制器 完成启动工作。 The motor controller described above comprises a central control unit and a power supply module. The power supply module supplies working power to the central control unit, and the input end of the power supply module is connected to the output end of the main working circuit of the soft start module, and the control unit of the soft start module The control circuit inside the central control unit is turned on by controlling the trigger action, and the start control signal is transmitted to the central control unit, and finally the motor controller is controlled to complete the startup work.
上述所述的触发器可以采用继电器开关， 也可以采用光电耦合器或者场 效应管、 三极管等具备通断控制特性的元器件。 The above-mentioned flip-flops may be relay switches, or components having on-off control characteristics such as a photocoupler or a field effect transistor or a triode.
上述所述的控制单元可以通过集成或者外置一个驱动单元驱动控制主 工作电路工作， 电源部分采用内置式开关电源， 它由外界电器系统提供的直 流电源设备供电， 电源模块采用内置式开关电源， 它由软启动模块输出的直 流电供电， 主工作电路由开关元器件、 电阻和电容组成， 开关元器件与电阻 并联后串接电容， 一并接入直流电源， 开关元器件可以是继电器开关， 或者 是可控硅开关器件， 或者是三极管元器件。 The control unit described above can drive and control the main working circuit by integrating or externally driving a driving unit, and the power part adopts a built-in switching power supply, which is powered by a DC power supply device provided by an external electrical system, and the power module adopts a built-in switching power supply. It is powered by DC output from the soft start module. The main working circuit is composed of switch components, resistors and capacitors. The switch components are connected in parallel with the resistors and connected in series with the DC power supply. The switch components can be relay switches, or It is a thyristor switching device or a triode component.
本实用新型具有如下效果： 1 )软启动模块能够独立完成自我控制工作， 工作状态为主动状态， 更加有效地抑制了电路中的浪涌沖击电流， 从而起到 了自我保护及保护电机控制器的作用； 2 )本启动装置通过检测电路实时检 测软启动模块中主工作电路输出端的端电压，得知输出端的电容的实时充电 状态来判断软启动进程， 当电容充满电后， 才结束软启动， 并通过控制单元 经控制触发器动作， 向电机控制器发送代表软启动完成的开关信号， 来控制 电机控制器内部的控制电路导通， 使电机控制器完成启动控制， 控制准确， 安全可靠。 The utility model has the following effects: 1) The soft start module can independently complete the self-control work, and the working state is the active state, which more effectively suppresses the surge current in the circuit, thereby self-protecting and protecting the motor controller. 2) The starting device detects the terminal voltage of the output terminal of the main working circuit in the soft start module through the detecting circuit, and knows the real-time charging state of the capacitor at the output end to judge the soft start process. When the capacitor is fully charged, the soft start is ended. And through the control unit through the control trigger action, send a switch signal representing the completion of the soft start to the motor controller to control the conduction of the control circuit inside the motor controller, so that the motor controller completes the start control, the control is accurate, safe and reliable.
附图说明： BRIEF DESCRIPTION OF THE DRAWINGS:
图 1 是本实用新型的软启动模块的电路方框图。 1 is a circuit block diagram of a soft start module of the present invention.
图 2 是图 1中触发器的其中一种电路结构图。
图 3 是图 1中触发器的另一种电路结构图。 FIG. 2 is a circuit diagram of one of the flip-flops of FIG. 1. FIG. FIG. 3 is another circuit configuration diagram of the flip-flop of FIG. 1.
图 4 是本实用新型的电机控制器启动装置结构示意图。 4 is a schematic structural view of a motor controller starting device of the present invention.
具体实施方式： detailed description:
下面通过具体实施例并结合附图对本实用新型作进一步详细的描述。 实施例 1 The present invention will be further described in detail below through the specific embodiments and the accompanying drawings. Example 1
图 1示出的是一种软启动模块， 它包括主工作电路 1、 检测电路、 控制 单元和电源部分， 控制单元分别与主工作电路 1、检测电路、 电源部分连接， 电源部分给检测电路、 控制单元提供工作电源， 主工作电路 1的输入端接入 直流电，检测电路的一端接到主工作电路 1的输出端，另一端接到控制单元， 检测电路检测主工作电路 1输出端的端电压， 并将其传输到控制单元， 控制 单元输出相应的控制信号控制主工作电路 1工作，使其输出稳定的直流电供 给后级电器设备。 Figure 1 shows a soft start module, which comprises a main working circuit 1, a detecting circuit, a control unit and a power supply part. The control unit is respectively connected with the main working circuit 1, the detecting circuit and the power supply part, and the power supply part is sent to the detecting circuit. The control unit provides working power, the input end of the main working circuit 1 is connected to direct current, one end of the detecting circuit is connected to the output end of the main working circuit 1, and the other end is connected to the control unit, and the detecting circuit detects the terminal voltage of the output end of the main working circuit 1, And transmitting it to the control unit, the control unit outputs a corresponding control signal to control the operation of the main working circuit 1, so that the output of the stable DC power is supplied to the after-stage electrical equipment.
控制单元可以通过集成或者外置一个驱动单元驱动控制主工作电路 1工 作， 主工作电路 1由继电器开关 K、 电阻 R1和电容 C1组成， 继电器开关 Κ 与电阻 R1并联后串接电容 C1 , 一并接入高压直流电源； 软启动模块还设置 有触发器，控制单元通过控制触发器动作向后级电器设备传送启动控制信号 Von , 控制后级电器设备完成启动工作， 该启动控制信号 Von可以是高低电 平信号， 也可以是电压信号； 触发器可以采用继电器开关， 也可以采用光电 耦合器， 此外， 它还可以采用场效应管、 三极管等具备通断控制特性的元器 件。 此外， 主工作电路 1的继电器开关 K可以由可控硅开关、 三极管等其它 开关元器件替换。 电源部分采用内置式开关电源， 它由外界电器系统提供的 直流电源设备供电。 The control unit can drive and control the main working circuit 1 by integrating or external driving unit. The main working circuit 1 is composed of a relay switch K, a resistor R1 and a capacitor C1. The relay switch 并联 is connected in parallel with the resistor R1 and is connected in series with the capacitor C1. The high-voltage DC power supply is connected to the soft start module; the soft start module is further provided with a trigger, and the control unit transmits a start control signal Von to the rear-level electrical equipment by controlling the trigger action, and the control-level electrical equipment completes the startup work, and the start control signal Von can be high or low. The level signal can also be a voltage signal; the flip-flop can be a relay switch or a photocoupler, and it can also be a component with on-off control characteristics such as a field effect transistor or a triode. In addition, the relay switch K of the main working circuit 1 can be replaced by other switching components such as a thyristor switch, a triode, and the like. The power supply part uses a built-in switching power supply, which is powered by a DC power supply unit provided by an external electrical system.
软启动模块的工作原理是： 当软启动模块接入高压直流电源后， 通过主 工作电路 1中的电阻 R1限流对输出端的电容 C1进行充电，检测电路实时检 测软启动模块中主工作电路 1输出端的端电压， 得知输出端的电容 C1的实 时充电状态来判断软启动进程， 当电容 C1 充满电后， 控制单元向驱动单元 发送控制信号， 驱动控制继电器开关 K闭合， 软启动完成。 随后， 控制单元 向触发器发送 On/Off 控制信号控制触发器动作， 向后级电器设备输出启动
控制信号 Von , 控制后级电器设备完成启动工作。 The working principle of the soft start module is: After the soft start module is connected to the high voltage DC power supply, the capacitor C1 of the output terminal is charged by the current limit circuit R1 in the main working circuit 1, and the detection circuit detects the main working circuit 1 in the soft start module in real time. The terminal voltage of the output terminal is used to determine the real-time charging state of the capacitor C1 at the output terminal to determine the soft start process. When the capacitor C1 is fully charged, the control unit sends a control signal to the driving unit, and the drive control relay switch K is closed, and the soft start is completed. Subsequently, the control unit sends an On/Off control signal to the trigger to control the trigger action, and outputs the start to the subsequent electrical device. The control signal Von controls the electrical equipment of the rear stage to complete the starting work.
图 2示出的是触发器的其中一种电路结构图， 它采用了光电耦合器 U, 光电耦合器 U的阳极 1 串接一电阻 R2后接入 24V直流电， 其阴极 2接收从 控制单元发送过来的 On/Off 控制信号， 在阳极 1与阴极 2之间并接一电容 C2 , 光电耦合器 U的发射极 3接地， 集电极 4 串接一电阻 R3后接入直流电 Vcc , 当光电耦合器 U导通工作时， 就输出高低电平启动控制信号 Von用于 控制后级电器设备完成启动工作， 24V直流电可由电源部分直接供电， 直流 电 Vcc可由外界电器系统提供的直流电源设备供电。 Figure 2 shows one of the circuit diagrams of the flip-flop. It uses a photocoupler U. The anode 1 of the optocoupler U is connected in series with a resistor R2 and then connected to 24V DC. The cathode 2 is received from the control unit. On the On/Off control signal, a capacitor C2 is connected between the anode 1 and the cathode 2, the emitter 3 of the photocoupler U is grounded, and the collector 4 is connected in series with a resistor R3 and then connected to the DC power Vcc. When U is turned on, the output high and low level start control signal Von is used to control the after-level electrical equipment to complete the startup work. The 24V DC power can be directly supplied by the power supply part, and the direct current power Vcc can be powered by the DC power supply device provided by the external electrical system.
图 3示出的是触发器的另一种电路结构图， 它采用了继电器开关 K1 ,控 制单元向继电器开关 K1发送 On/Off 控制信号控制其通断。 继电器开关 K1 的其中一触点接入直流电 Vcc , 当软启动完成后， 控制单元控制继电器开关 K1闭合， 接通继电器开关 K1的两个触点输出电压启动控制信号 Von用于控 制后级电器设备完成启动工作， 此时 Von=Vcc , 直流电 Vcc可由外界电器系 统提供的直流电源设备供电。 Figure 3 shows another circuit diagram of the flip-flop, which uses the relay switch K1, and the control unit sends an On/Off control signal to the relay switch K1 to control its on and off. One of the contacts of the relay switch K1 is connected to the DC power Vcc. When the soft start is completed, the control unit controls the relay switch K1 to close, and the two contacts of the relay switch K1 are turned on. The control signal Von is used to control the after-stage electrical equipment. After the startup work is completed, Von=Vcc, the DC power Vcc can be powered by the DC power supply device provided by the external electrical system.
实施例 2 Example 2
如图 4所示，一种电机控制器启动装置，包括电机控制器和软启动模块， 软启动模块的输入端接入直流电， 其输出端与电机控制器的输入端相连接， 给电机控制器提供稳定的启动控制电源， 软启动模块包括主工作电路 1、 检 测电路、 控制单元和电源部分， 控制单元分别与主工作电路 1、 检测电路、 电源部分连接， 电源部分给检测电路、 控制单元提供工作电源， 主工作电路 1的输入端接入直流电， 检测电路的一端接到主工作电路 1的输出端， 另一 端接到控制单元， 检测电路检测主工作电路 1输出端的端电压， 并将其传输 到控制单元， 控制单元输出相应的控制信号控制主工作电路 1工作， 使其输 出稳定的直流电供给电机控制器。 As shown in FIG. 4, a motor controller starting device includes a motor controller and a soft start module. The input end of the soft start module is connected to DC power, and the output end thereof is connected to the input end of the motor controller to the motor controller. Providing a stable starting control power supply, the soft start module comprises a main working circuit 1, a detecting circuit, a control unit and a power supply part, and the control unit is respectively connected with the main working circuit 1, the detecting circuit and the power supply part, and the power supply part is provided to the detecting circuit and the control unit Working power supply, the input end of the main working circuit 1 is connected to direct current, one end of the detecting circuit is connected to the output end of the main working circuit 1, and the other end is connected to the control unit, and the detecting circuit detects the terminal voltage of the output end of the main working circuit 1, and It is transmitted to the control unit, and the control unit outputs a corresponding control signal to control the operation of the main working circuit 1 to supply a stable DC power to the motor controller.
控制单元可以通过集成或者外置一个驱动单元驱动控制主工作电路 1工 作， 主工作电路 1由继电器开关 K、 电阻 R1和电容 C1组成， 继电器开关 Κ 与电阻 R1并联后串接电容 C1 , 一并接入高压直流电源； 软启动模块还设置 有触发器， 控制单元通过控制触发器动作向电机控制器传送启动控制信号
Von, 控制电机控制器完成启动工作， 该启动控制信号 Von是高低电平信号； 电机控制器包括中央控制单元和电源模块 , 电源模块给中央控制单元提供工 作电源， 电源模块的输入端与软启动模块的主工作电路 1的输出端相连接， 触发器可以采用继电器开关， 也可以采用光电耦合器， 此外， 它还可以采用 场效应管、 三极管等具备通断控制特性的元器件。 电源部分采用内置式开关 电源， 它由外界电器系统提供的直流电源设备供电； 电源模块采用内置式开 关电源， 它由软启动模块中主工作电路 1输出的直流电供电， 电源模块输出 直流电 Vcc供给中央控制单元和触发器。 The control unit can drive and control the main working circuit 1 by integrating or external driving unit. The main working circuit 1 is composed of a relay switch K, a resistor R1 and a capacitor C1. The relay switch 并联 is connected in parallel with the resistor R1 and is connected in series with the capacitor C1. The high-voltage DC power supply is connected; the soft start module is also provided with a trigger, and the control unit transmits a start control signal to the motor controller by controlling the trigger action Von, the control motor controller completes the starting work, the starting control signal Von is a high and low level signal; the motor controller comprises a central control unit and a power module, the power module provides working power to the central control unit, the input end of the power module and the soft start The output of the main working circuit 1 of the module is connected, and the flip-flop can be a relay switch or a photocoupler. In addition, it can also adopt components such as a field effect transistor and a triode with on-off control characteristics. The power supply part adopts a built-in switching power supply, which is powered by a DC power supply device provided by an external electrical system; the power supply module uses a built-in switching power supply, which is powered by the direct current output from the main working circuit 1 of the soft start module, and the power supply module outputs a direct current Vcc to the central power supply. Control unit and trigger.
此外， 启动控制信号 Von也可以是电压信号， 主工作电路 1的继电器开 关 K可以由可控硅开关、 三极管等其它开关元器件替换。 In addition, the start control signal Von may also be a voltage signal, and the relay switch K of the main working circuit 1 may be replaced by other switching components such as a thyristor switch, a triode or the like.
电机控制器启动装置的工作原理是： 当软启动模块接入高压直流电源 后， 通过主工作电路 1中的电阻 R1限流对输出端的电容 C1进行充电， 检测 电路实时检测软启动模块中主工作电路 1输出端的端电压，得知输出端的电 容 C1的实时充电状态来判断软启动进程， 当电容 C1充满电后， 控制单元向 驱动单元发送控制信号， 驱动控制继电器开关 K闭合， 软启动完成。 随后， 控制单元向触发器发送 On/Off 控制信号控制触发器动作， 接通中央控制单 元内部的控制电路， 向中央控制单元传送启动控制信号 Von, 最终控制电机 控制器完成启动工作。
The working principle of the motor controller starting device is: After the soft start module is connected to the high voltage DC power supply, the capacitor C1 of the output terminal is charged by the current limiting circuit R1 in the main working circuit 1, and the detecting circuit detects the main work in the soft start module in real time. The terminal voltage at the output of the circuit 1 is used to determine the real-time state of charge of the capacitor C1 at the output to determine the soft start process. When the capacitor C1 is fully charged, the control unit sends a control signal to the drive unit, the drive control relay switch K is closed, and the soft start is completed. Subsequently, the control unit sends an On/Off control signal to the trigger to control the trigger action, turns on the control circuit inside the central control unit, and transmits a start control signal Von to the central control unit to finally control the motor controller to complete the startup work.
Claims
1. 一种软启动模块， 其特征在于： 它包括主工作电路、 检测电路、 控制单 元和电源部分， 控制单元分别与主工作电路、 检测电路、 电源部分连接， 电源部分给检测电路、 控制单元提供工作电源， 主工作电路的输入端接 入直流电， 检测电路的一端接到主工作电路的输出端， 另一端接到控制 单元， 检测电路检测主工作电路输出端的端电压， 并将其传输到控制单 元， 控制单元输出相应的控制信号控制主工作电路工作， 使其输出稳定 的直流电供给后级电器设备。 A soft start module, comprising: a main working circuit, a detecting circuit, a control unit and a power supply part, wherein the control unit is respectively connected with the main working circuit, the detecting circuit and the power supply part, and the power supply part is provided to the detecting circuit and the control unit Providing working power, the input end of the main working circuit is connected to direct current, one end of the detecting circuit is connected to the output end of the main working circuit, and the other end is connected to the control unit, and the detecting circuit detects the terminal voltage of the output end of the main working circuit, and transmits the same to the terminal The control unit outputs a corresponding control signal to control the operation of the main working circuit, so that the output DC power is supplied to the after-stage electrical equipment.
2. 根据权利要求 1所述的一种软启动模块， 其特征在于： 软启动模块还设 置有触发器， 控制单元通过控制触发器动作向后级电器设备传送启动控 制信号， 控制后级电器设备完成启动工作。 2. The soft start module according to claim 1, wherein: the soft start module is further provided with a trigger, and the control unit transmits a start control signal to the rear electrical device by controlling the trigger action to control the rear electrical device. Finish the startup work.
3. 根据权利要求 2所述的一种软启动模块， 其特征在于： 触发器可以采用 继电器开关， 也可以采用光电耦合器或者场效应管、 三极管等具备通断 控制特性的元器件。 3. A soft start module according to claim 2, wherein: the flip-flop can be a relay switch, or a component having an on-off control characteristic such as a photocoupler or a field effect transistor or a triode.
4. 根据权利要求 1所述的一种软启动模块， 其特征在于： 控制单元可以通 过集成或者外置一个驱动单元驱动控制主工作电路工作。 4. A soft start module according to claim 1, wherein: the control unit can drive the main working circuit to operate by integrating or externally driving the drive unit.
5. 根据权利要求 4所述的一种软启动模块， 其特征在于： 主工作电路由开 关元器件、 电阻和电容组成， 开关元器件与电阻并联后串接电容， 一并 接入直流电源， 开关元器件可以是继电器开关， 或者是可控硅开关器件， 或者是三极管元器件。 5. The soft start module according to claim 4, wherein: the main working circuit is composed of a switch component, a resistor and a capacitor, and the switch component is connected in parallel with the resistor, and the capacitor is connected in series, and is connected to the DC power source. The switching component can be a relay switch, or a thyristor switching device, or a triode component.
6. 根据权利要求 1所述的一种软启动模块， 其特征在于： 电源部分采用内 置式开关电源， 它可以由外界电器系统提供的直流电源设备供电。 6. A soft start module according to claim 1, wherein: the power supply portion uses a built-in switching power supply, which can be powered by a DC power supply device provided by an external electrical system.
7. 一种应用了权利要求 1所述一种软启动模块的电机控制器启动装置， 包 括电机控制器和软启动模块， 软启动模块的输入端接入直流电， 其输出 端与电机控制器的输入端相连接， 给电机控制器提供稳定的启动控制电 源， 其特征在于： 软启动模块包括主工作电路、 检测电路、 控制单元和 电源部分， 控制单元分别与主工作电路、 检测电路、 电源部分连接， 电 源部分给检测电路、 控制单元提供工作电源， 主工作电路的输入端接入 直流电， 检测电路的一端接到主工作电路的输出端， 另一端接到控制单 元， 检测电路检测主工作电路输出端的端电压， 并将其传输到控制单元， 控制单元输出相应的控制信号控制主工作电路工作， 使其输出稳定的直 流电供给电机控制器。 A motor controller starting device to which a soft start module according to claim 1 is applied, comprising a motor controller and a soft start module, wherein an input end of the soft start module is connected to a direct current, and an output end thereof and the motor controller are The input terminals are connected to provide a stable starting control power to the motor controller, and the soft start module comprises a main working circuit, a detecting circuit, a control unit and a power supply part, and the control unit and the main working circuit, the detecting circuit and the power supply part respectively Connection, electricity The source part supplies working power to the detecting circuit and the control unit, and the input end of the main working circuit is connected to the direct current. One end of the detecting circuit is connected to the output end of the main working circuit, and the other end is connected to the control unit, and the detecting circuit detects the output end of the main working circuit. The terminal voltage is transmitted to the control unit, and the control unit outputs a corresponding control signal to control the operation of the main working circuit to supply a stable DC power to the motor controller.
8. 根据权利要求 7所述的一种电机控制器启动装置， 其特征在于： 软启动 模块还设置有触发器， 控制单元通过控制触发器动作向电机控制器传送 启动控制信号， 控制电机控制器完成启动工作。 8. The motor controller starting device according to claim 7, wherein: the soft start module is further provided with a trigger, and the control unit transmits a start control signal to the motor controller by controlling the trigger action to control the motor controller. Finish the startup work.
9. 根据权利要求 8所述的一种电机控制器启动装置， 其特征在于： 电机控 制器包括中央控制单元和电源模块 , 电源模块给中央控制单元提供工作 电源， 电源模块的输入端与软启动模块的主工作电路的输出端相连接， 软启动模块的控制单元通过控制触发器动作接通中央控制单元内部的控 制电路， 向中央控制单元传送启动控制信号， 最终控制电机控制器完成 启动工作。 9. The motor controller starting device according to claim 8, wherein: the motor controller comprises a central control unit and a power module, and the power module provides working power to the central control unit, the input end of the power module and the soft start The output end of the main working circuit of the module is connected. The control unit of the soft start module turns on the control circuit inside the central control unit by controlling the trigger action, and transmits a start control signal to the central control unit, and finally controls the motor controller to complete the startup work.
10. 根据权利要求 9所述的一种电机控制器启动装置， 其特征在于： 触发 器可以采用继电器开关， 也可以采用光电耦合器或者场效应管、 三极管 等具备通断控制特性的元器件。 10. A motor controller starting device according to claim 9, wherein: the trigger can be a relay switch, or a component having an on-off control characteristic such as a photocoupler or a field effect transistor or a triode.
11. 根据权利要求 7或 9所述的一种电机控制器启动装置， 其特征在于： 控制单元可以通过集成或者外置一个驱动单元驱动控制主工作电路工 作， 电源部分采用内置式开关电源， 它由外界电器系统提供的直流电源 设备供电， 电源模块采用内置式开关电源， 它由软启动模块输出的直流 电供电， 主工作电路由开关元器件、 电阻和电容组成， 开关元器件与电 阻并联后串接电容， 一并接入直流电源， 开关元器件可以是继电器开关， 或者是可控硅开关器件， 或者是三极管元器件。 11. The motor controller starting device according to claim 7 or 9, wherein: the control unit can drive the main working circuit by integrating or externally driving the driving unit, and the power part adopts a built-in switching power supply. Powered by the DC power supply provided by the external electrical system, the power module uses a built-in switching power supply, which is powered by the DC power output from the soft start module. The main working circuit is composed of switching components, resistors and capacitors. The capacitor is connected to the DC power supply. The switching component can be a relay switch, or a thyristor switching device, or a triode component.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202632212U CN201577051U (en) | 2009-11-19 | 2009-11-19 | Soft start module and motor controller starter using the same |
| CN200920263221.2 | 2009-11-19 |
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| Publication Number | Publication Date |
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| WO2011060666A1 true WO2011060666A1 (en) | 2011-05-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| PCT/CN2010/077242 WO2011060666A1 (en) | 2009-11-19 | 2010-09-24 | Soft-start module and startup device for motor controller using the same |
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| Country | Link |
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| CN (1) | CN201577051U (en) |
| WO (1) | WO2011060666A1 (en) |
Cited By (2)
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| CN104539196A (en) * | 2014-12-10 | 2015-04-22 | 深圳市雷赛智能控制股份有限公司 | Driver soft start protecting device and protecting method thereof |
| CN109379000A (en) * | 2018-10-12 | 2019-02-22 | 襄阳市建盛工业控制有限公司 | A kind of liquid resistance soft-start cabinet |
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| CN201577051U (en) * | 2009-11-19 | 2010-09-08 | 中山大洋电机股份有限公司 | Soft start module and motor controller starter using the same |
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| CN201577051U (en) | 2010-09-08 |
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