WO2021253204A1 - Novel driver for variable frequency motor - Google Patents
Novel driver for variable frequency motor Download PDFInfo
- Publication number
- WO2021253204A1 WO2021253204A1 PCT/CN2020/096246 CN2020096246W WO2021253204A1 WO 2021253204 A1 WO2021253204 A1 WO 2021253204A1 CN 2020096246 W CN2020096246 W CN 2020096246W WO 2021253204 A1 WO2021253204 A1 WO 2021253204A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- variable frequency
- motor
- processing unit
- signal
- frequency motor
- Prior art date
Links
Classifications
-
- 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
- H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
- H02P27/04—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage
-
- 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
- H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
- H02P6/14—Electronic commutators
- H02P6/16—Circuit arrangements for detecting position
Definitions
- the utility model relates to the technical field of motors, in particular to a drive of a novel variable frequency motor.
- the frequency conversion permanent magnet motor is a kind of frequency conversion motor which is widely used. Its structure is simple, the performance is superior, and the development prospect is broad.
- the variable frequency permanent magnet motor is a new type of mechatronics motor developed on the basis of a brushed DC motor. It uses an electronic commutator to replace mechanical brushes and mechanical commutators, so that this motor not only retains the DC motor’s The original excellent performance, and the AC motor has the advantages of simple structure, reliable operation and convenient maintenance.
- the variable frequency permanent magnet motor is mainly composed of the motor body, the rotor position sensor and the drive circuit. The three-part DC power supply supplies power to the motor stator winding through the electronic switch circuit.
- the position sensor detects the position of the rotor at any time, and controls the switch according to the position signal of the rotor.
- the MOS tube is turned on and off to control the operation of the motor. It can be seen that in addition to the main body of the motor, the drive circuit is the key to improving the overall performance of the permanent magnet motor, and different control methods of the drive circuit will cause the motor to produce different performance. Therefore, a new type of variable frequency motor drive is needed.
- the purpose of the present utility model is to provide a new type of variable frequency motor drive to solve the above-mentioned problems in the background art.
- the present invention provides the following technical solutions.
- a new type of variable frequency motor drive includes a variable frequency drive circuit, the input end of the variable frequency drive circuit is connected with a signal coordination and processing unit, the input end of the signal coordination and processing unit is connected with a motor signal control processing unit, the variable frequency drive The output terminal of the circuit is connected with a variable frequency motor, and the signal coordination and processing unit and the motor signal control processing unit are externally connected with a power source.
- variable frequency drive circuit includes a main control unit, and the main control unit is respectively connected with a power supply circuit, a Hall switch, and a drive module.
- the motor signal processing unit includes an ARM processing system, and the ARM processing system is sequentially connected with a data isolation channel and a waveform reconstruction unit, and the waveform reconstruction unit is connected to the signal coordination and processing unit through four channels of signals.
- the four-channel signal includes a reference phase, a phase difference of one time, a phase difference of two times, and a phase difference of three times.
- variable frequency drive circuit further includes an over power protection module, wherein the over power protection module is installed between the drive opener and the variable frequency motor.
- a monitoring feedback unit is installed between the variable frequency motor and the motor signal control processing unit.
- the utility model has a simple structure and a clear and easy-to-understand structure, including a variable frequency drive circuit, the input end of the variable frequency drive circuit is connected with a signal coordination and processing unit, and the signal coordination and processing unit is input
- a motor signal control processing unit is connected to the terminal
- a variable frequency motor is connected to the output terminal of the variable frequency drive circuit
- a power supply is connected to the signal coordination and processing unit and the motor signal control processing unit to realize the variable frequency drive control of the variable frequency motor.
- the principle is simple and the variable frequency motor is maintained. The stability during operation is worthy of promotion.
- Figure 1 is a schematic diagram of a new type of variable frequency motor drive structure.
- 1-motor signal control processing unit 2-signal coordination and processing unit, 3-variable frequency drive circuit.
- a new type of variable frequency motor drive including a variable frequency drive circuit 3, the input end of the variable frequency drive circuit 3 is connected with a signal coordination and processing unit 2, the signal coordination A motor signal control processing unit 1 is connected to the input end of the processing unit 2, a variable frequency motor is connected to the output end of the variable frequency drive circuit 3, and a power source is externally connected to the signal coordination and processing unit 2 and the motor signal control processing unit 1.
- the variable frequency drive circuit 3 includes a main control unit, which is respectively connected with a power supply circuit, a Hall switch, and a drive module, and the motor signal processing unit 1 includes an ARM processing system, which in turn is connected with a data isolation channel And a waveform reconstruction unit, the waveform reconstruction unit is connected to a signal coordination and processing unit through four channels of signals, the four channels of signals including a reference phase, a phase difference of one time, a phase difference of two times and a phase difference of three times, the frequency conversion drive circuit 3 also includes an overpower protection module, where the overpower protection module is installed between the drive opener and the variable frequency motor, and a monitoring feedback unit is installed between the variable frequency motor and the motor signal control processing unit 1.
- the motor signal control processing unit 1 is a signal generation and reconstruction unit with ARM as the core, which is the core of the new harmonic motor driver and the source of multiple equal phase difference drive power signals required by the flexible camshaft extension unit of the harmonic motor ;
- the signal generation and reconstruction unit includes an ARM processing system, a data isolation channel and a waveform reconstruction unit.
- the ARM processing system includes a 32-bit ARM processor stm32f103, 8M crystal oscillator and capacitors C1 and C2 to form a vibration source to provide the system with the required frequency ;
- Multi-channel signal generation adopts the principle of direct digital synthesis; using the storage RAM inside the ARM, a 256-point waveform law function table is constructed according to the required law.
- the data is cyclically taken from the function table and output from the SPI port of the ARM chip to the waveform reconstruction unit through the data channel to realize the reconstruction of the waveform.
- the data isolation channel is used to isolate the ARM processing system from the subsequent waveform reconstruction unit.
- the data isolation channel prevents the ARM from being affected by the following levels, especially when the following power driver stages are working under load, making the system work more reliable.
- the waveform reconstruction unit is composed of a digital-to-analog conversion chip with an SPI interface and an operational amplifier.
- the op amp uses LM358 to realize the offset and movement of the waveform.
- the LM358 chip contains 2 operational amplifiers, one is combined with the 3296 potentiometer and the output of the digital-to-analog converter to form an addition circuit.
- the output of the operational amplifier can be changed by adjusting the potentiometer to realize the bias and movement of the waveform.
- the other is composed of an operational amplifier.
- the follower circuit of the output buffer is used to achieve impedance matching with the subsequent stage.
- the signal coordination and processing unit which processes the signal output by the waveform reconstruction unit, so that the signal can effectively drive the subsequent power drive unit.
- the rotor in the variable frequency motor is electrically connected to the drive module through a three-phase line.
- the main control unit is interactively connected with the single-chip microcomputer and the drive module.
- the output end of the Hall switch is connected to the input end of the main control unit.
- the power supply circuit is provided with a stabilizer. The voltage diode and filter capacitor step down the power supply and remove the interference signal, and then provide the main control unit and the drive module with DC 15V working power.
- Monitoring feedback unit which is the channel between the ARM processing system and load monitoring and management. It samples from the load output and feeds it back to the ARM processing system after isolation. After the information is quantified, the current current, voltage, power, etc. of the load can then be obtained.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
- Control Of Multiple Motors (AREA)
- Control Of Ac Motors In General (AREA)
Abstract
A driver for a variable frequency motor that has a simple structure and a clear and easy-to-understand configuration, comprising a variable frequency drive circuit (3), wherein the input end of the variable frequency drive circuit (3) is connected to a signal coordination and processing unit (2); the input end of the signal coordination and processing unit (2) is connected to a motor signal control and processing unit (1); the output end of the variable frequency drive circuit (3) is connected to a variable frequency motor; and the signal coordination and processing unit (2) and the motor signal control and processing unit (1) are externally connected to a power supply. Thus, the variable frequency drive and control of the variable frequency motor is achieved, the driver has simple principles, and the stability of the variable frequency motor when running is maintained, which is worthy of promotion.
Description
本实用新型涉及电机技术领域，具体为一种新型变频式电机的驱动器。The utility model relates to the technical field of motors, in particular to a drive of a novel variable frequency motor.
变频永磁电机是一种应用非常广泛的变频用的电机，其结构简单，性能优越，发展前景广阔。变频永磁电机是在有刷直流电动机基础上发展起来的一种新型机电一体化的电动机，它利用电子换向器取代机械电刷和机械换向器，使这种电机不仅保留了直流电机的原有的优良性能，而且具有交流电动机的结构简单、运行可靠、维护方便等优点。变频永磁电机主要由电机本体、转子位置传感器和驱动电路三部分组直流电源通过电子开关电路向电动机定子绕组供电，位置传感器随时检测到转子所处的位置，并根据转子的位置信号来控制开关MOS管的导通和截止，从而控制电机的运转。可见，除电机主体外，驱动电路是永磁电动机整体性能得以提高的关键，而驱动电路不同的控制方式则会使电机产生不同的性能，因此，需要一种新型变频式电机的驱动器。The frequency conversion permanent magnet motor is a kind of frequency conversion motor which is widely used. Its structure is simple, the performance is superior, and the development prospect is broad. The variable frequency permanent magnet motor is a new type of mechatronics motor developed on the basis of a brushed DC motor. It uses an electronic commutator to replace mechanical brushes and mechanical commutators, so that this motor not only retains the DC motor’s The original excellent performance, and the AC motor has the advantages of simple structure, reliable operation and convenient maintenance. The variable frequency permanent magnet motor is mainly composed of the motor body, the rotor position sensor and the drive circuit. The three-part DC power supply supplies power to the motor stator winding through the electronic switch circuit. The position sensor detects the position of the rotor at any time, and controls the switch according to the position signal of the rotor. The MOS tube is turned on and off to control the operation of the motor. It can be seen that in addition to the main body of the motor, the drive circuit is the key to improving the overall performance of the permanent magnet motor, and different control methods of the drive circuit will cause the motor to produce different performance. Therefore, a new type of variable frequency motor drive is needed.
本实用新型的目的在于提供一种新型变频式电机的驱动器，以解决上述背景技术中提出的问题。The purpose of the present utility model is to provide a new type of variable frequency motor drive to solve the above-mentioned problems in the background art.
为实现上述目的，本实用新型提供如下技术方案。In order to achieve the above objectives, the present invention provides the following technical solutions.
一种新型变频式电机的驱动器，包括变频驱动电路，所述变频驱动电路输入端连接有信号协调与处理单元，所述信号协调与处理单元输入端连接有电机信号控制处理单元，所述变频驱动电路输出端连接有变频电机，所述信号协调与处理单元和电机信号控制处理单元外连接有电源。A new type of variable frequency motor drive includes a variable frequency drive circuit, the input end of the variable frequency drive circuit is connected with a signal coordination and processing unit, the input end of the signal coordination and processing unit is connected with a motor signal control processing unit, the variable frequency drive The output terminal of the circuit is connected with a variable frequency motor, and the signal coordination and processing unit and the motor signal control processing unit are externally connected with a power source.
优选的，所述变频驱动电路包括主控单元，所述主控单元分别连接有电源电路、霍尔开关和驱动模块。Preferably, the variable frequency drive circuit includes a main control unit, and the main control unit is respectively connected with a power supply circuit, a Hall switch, and a drive module.
优选的，所述电机信号处理单元包括ARM处理系统，所述ARM处理系统依次连接有数据隔离通道和波形重构单元，所述波形重构单元通过四路信号与信号协调与处理单元连接。Preferably, the motor signal processing unit includes an ARM processing system, and the ARM processing system is sequentially connected with a data isolation channel and a waveform reconstruction unit, and the waveform reconstruction unit is connected to the signal coordination and processing unit through four channels of signals.
优选的，所述四路信号包括基准相位、一倍相差、二倍相差和三倍相差。Preferably, the four-channel signal includes a reference phase, a phase difference of one time, a phase difference of two times, and a phase difference of three times.
优选的，所述变频驱动电路还包括过功率保护模块，其中过功率保护模块在驱动开棉和变频电机之间安装。Preferably, the variable frequency drive circuit further includes an over power protection module, wherein the over power protection module is installed between the drive opener and the variable frequency motor.
优选的，所述变频电机与电机信号控制处理单元之间安装有监测反馈单元。Preferably, a monitoring feedback unit is installed between the variable frequency motor and the motor signal control processing unit.
与现有技术相比，本实用新型的有益效果是：本实用新型结构简单，构造清晰易懂，包括变频驱动电路，变频驱动电路输入端连接有信号协调与处理单元，信号协调与处理单元输入端连接有电机信号控制处理单元，变频驱动电路输出端连接有变频电机，信号协调与处理单元和电机信号控制处理单元外连接有电源，实现变频电机的变频驱动控制，原理简单，保持了变频电机运转时的稳定性，值得推广。Compared with the prior art, the beneficial effects of the utility model are: the utility model has a simple structure and a clear and easy-to-understand structure, including a variable frequency drive circuit, the input end of the variable frequency drive circuit is connected with a signal coordination and processing unit, and the signal coordination and processing unit is input A motor signal control processing unit is connected to the terminal, a variable frequency motor is connected to the output terminal of the variable frequency drive circuit, and a power supply is connected to the signal coordination and processing unit and the motor signal control processing unit to realize the variable frequency drive control of the variable frequency motor. The principle is simple and the variable frequency motor is maintained. The stability during operation is worthy of promotion.
图1为一种新型变频式电机的驱动器的结构示意图。Figure 1 is a schematic diagram of a new type of variable frequency motor drive structure.
图中：1-电机信号控制处理单元，2-信号协调与处理单元，3-变频驱动电路。In the figure: 1-motor signal control processing unit, 2-signal coordination and processing unit, 3-variable frequency drive circuit.
下面将结合本实用新型实施例中的附图，对本实用新型实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本实用新型一部分实施例，而不是全部的实施例。基于本实用新型中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本实用新型保护的范围。The following will clearly and completely describe the technical solutions in the embodiments of the present utility model in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all implementations. example. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the scope of protection of the present utility model.
请参阅图1，本实用新型提供一种技术方案：一种新型变频式电机的驱动器，包括变频驱动电路3，所述变频驱动电路3输入端连接有信号协调与处理单元2，所述信号协调与处理单元2输入端连接有电机信号控制处理单元1，所述变频驱动电路3输出端连接有变频电机，所述信号协调与处理单元2和电机信号控制处理单元1外连接有电源，所述变频驱动电路3包括主控单元，所述主控单元分别连接有电源电路、霍尔开关和驱动模块，所述电机信号处理单元1包括ARM处理系统，所述ARM处理系统依次连接有数据隔离通道和波形重构单元，所述波形重构单元通过四路信号与信号协调与处理单元连接，所述四路信号包括基准相位、一倍相差、二倍相差和三倍相差，所述变频驱动电路3还包括过功率保护模块，其中过功率保护模块在驱动开棉和变频电机之间安装，所述变频电机与电机信号控制处理单元1之间安装有监测反馈单元。Please refer to Figure 1, the present utility model provides a technical solution: a new type of variable frequency motor drive, including a variable frequency drive circuit 3, the input end of the variable frequency drive circuit 3 is connected with a signal coordination and processing unit 2, the signal coordination A motor signal control processing unit 1 is connected to the input end of the processing unit 2, a variable frequency motor is connected to the output end of the variable frequency drive circuit 3, and a power source is externally connected to the signal coordination and processing unit 2 and the motor signal control processing unit 1. The variable frequency drive circuit 3 includes a main control unit, which is respectively connected with a power supply circuit, a Hall switch, and a drive module, and the motor signal processing unit 1 includes an ARM processing system, which in turn is connected with a data isolation channel And a waveform reconstruction unit, the waveform reconstruction unit is connected to a signal coordination and processing unit through four channels of signals, the four channels of signals including a reference phase, a phase difference of one time, a phase difference of two times and a phase difference of three times, the frequency conversion drive circuit 3 also includes an overpower protection module, where the overpower protection module is installed between the drive opener and the variable frequency motor, and a monitoring feedback unit is installed between the variable frequency motor and the motor signal control processing unit 1.
本实用新型的工作原理是。The working principle of the utility model is.
电机信号控制处理单元1以ARM为核心的信号发生与重构单元，其为新型谐波电机驱动器的核心，也是谐波电机的柔性凸轮轴伸单元所需要多路等相差驱动电源信号的发生源头；信号发生与重构单元包括ARM处理系统、数据隔离通道和波形重构单元，ARM处理系统包括32位的ARM处理器stm32f103、8M晶振和电容C1和C2组成振源，为系统提供所需频率；多路信号发生采用直接数字合成原理；利用ARM内部的存储RAM，根据所需要的规律构建出256点的波形规律函数表。波形发生时循环从函数表中取出数据，从ARM芯片的SPI端口输出经数据通道到波形重构单元，实现波形的再造。为保证核心ARM处理系统的工作稳定，利用数据隔离通道将ARM处理系统与后续的波形重构单元进行了隔离。根据SPI的数据传输特点，共使用了4片高速光耦6N137，实现数据输入输出隔离。数据隔离通道使得ARM不受后面各级的影响，尤其是后面功率驱动级带载工作时，使得系统工作更可靠。波形重构单元由SPI接口的数模转换芯片和运算放大器构成。四路信号，则使用了4片数模转换芯片与运放芯片，还可以通过增加芯片的数量来增加信号发生的路数。运放使用了LM358，实现波形的偏置与移动。LM358片内包含2个运放，一个与3296电位器以及数模转换器输出组成加法电路，调节电位器即可改变运放的输出，从而实现了波形的偏置与移动，另外一个运放组成了输出缓冲的跟随电路，实现与后级的阻抗匹配。The motor signal control processing unit 1 is a signal generation and reconstruction unit with ARM as the core, which is the core of the new harmonic motor driver and the source of multiple equal phase difference drive power signals required by the flexible camshaft extension unit of the harmonic motor ; The signal generation and reconstruction unit includes an ARM processing system, a data isolation channel and a waveform reconstruction unit. The ARM processing system includes a 32-bit ARM processor stm32f103, 8M crystal oscillator and capacitors C1 and C2 to form a vibration source to provide the system with the required frequency ; Multi-channel signal generation adopts the principle of direct digital synthesis; using the storage RAM inside the ARM, a 256-point waveform law function table is constructed according to the required law. When the waveform occurs, the data is cyclically taken from the function table and output from the SPI port of the ARM chip to the waveform reconstruction unit through the data channel to realize the reconstruction of the waveform. In order to ensure the stability of the core ARM processing system, the data isolation channel is used to isolate the ARM processing system from the subsequent waveform reconstruction unit. According to the data transmission characteristics of SPI, a total of 4 high-speed optocouplers 6N137 are used to realize data input and output isolation. The data isolation channel prevents the ARM from being affected by the following levels, especially when the following power driver stages are working under load, making the system work more reliable. The waveform reconstruction unit is composed of a digital-to-analog conversion chip with an SPI interface and an operational amplifier. For four-channel signals, four digital-to-analog conversion chips and operational amplifier chips are used, and the number of signal generation channels can also be increased by increasing the number of chips. The op amp uses LM358 to realize the offset and movement of the waveform. The LM358 chip contains 2 operational amplifiers, one is combined with the 3296 potentiometer and the output of the digital-to-analog converter to form an addition circuit. The output of the operational amplifier can be changed by adjusting the potentiometer to realize the bias and movement of the waveform. The other is composed of an operational amplifier. The follower circuit of the output buffer is used to achieve impedance matching with the subsequent stage.
信号协调与处理单元，该单元对波形重构单元输出的信号进行处理，以便信号能够有效的驱动后级的功率驱动单元。The signal coordination and processing unit, which processes the signal output by the waveform reconstruction unit, so that the signal can effectively drive the subsequent power drive unit.
变频电机中的转子通过三相线与驱动模块进行电连接，主控单元分别与单片机、驱动模块交互式连接，霍尔开关的输出端与主控单元的输入端连接，电源电路上设有稳压二极管与滤波电容，将电源进行降压并除去干扰信号后，给主控单元与驱动模块提供直流 15V 的工作电源。The rotor in the variable frequency motor is electrically connected to the drive module through a three-phase line. The main control unit is interactively connected with the single-chip microcomputer and the drive module. The output end of the Hall switch is connected to the input end of the main control unit. The power supply circuit is provided with a stabilizer. The voltage diode and filter capacitor step down the power supply and remove the interference signal, and then provide the main control unit and the drive module with DC 15V working power.
监测反馈单元，该单元是ARM处理系统与负载监测管理的通道。它从负载输出中取样，经过隔离后反馈给ARM处理系统。该信息经过量化处理后，进而获得负载当前的电流、电压、功率等情况。Monitoring feedback unit, which is the channel between the ARM processing system and load monitoring and management. It samples from the load output and feeds it back to the ARM processing system after isolation. After the information is quantified, the current current, voltage, power, etc. of the load can then be obtained.
对于本领域技术人员而言，显然本实用新型不限于上述示范性实施例的细节，而且在不背离本实用新型的精神或基本特征的情况下，能够以其他的具体形式实现本实用新型。因此，无论从哪一点来看，均应将实施例看作是示范性的，而且是非限制性的，本实用新型的范围由所附权利要求而不是上述说明限定，因此旨在将落在权利要求的等同要件的含义和范围内的所有变化囊括在本实用新型内。不应将权利要求中的任何附图标记视为限制所涉及的权利要求。For those skilled in the art, it is obvious that the present invention is not limited to the details of the foregoing exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic characteristics of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is defined by the appended claims rather than the above description, so it is intended to fall on the rights. All changes in the meaning and scope of the required equivalent elements are included in the present invention. Any reference signs in the claims should not be regarded as limiting the claims involved.
此外，应当理解，虽然本说明书按照实施方式加以描述，但并非每个实施方式仅包含一个独立的技术方案，说明书的这种叙述方式仅仅是为清楚起见，本领域技术人员应当将说明书作为一个整体，各实施例中的技术方案也可以经适当组合，形成本领域技术人员可以理解的其他实施方式。In addition, it should be understood that although this specification is described in accordance with the implementation manners, not each implementation manner only includes an independent technical solution. This narration in the specification is only for clarity, and those skilled in the art should regard the specification as a whole The technical solutions in the various embodiments can also be appropriately combined to form other implementations that can be understood by those skilled in the art.
Claims (6)
- 一种新型变频式电机的驱动器，包括变频驱动电路（3），其特征在于：所述变频驱动电路（3）输入端连接有信号协调与处理单元（2），所述信号协调与处理单元（2）输入端连接有电机信号控制处理单元（1），所述变频驱动电路（3）输出端连接有变频电机，所述信号协调与处理单元（2）和电机信号控制处理单元（1）外连接有电源。A new type of variable frequency motor drive, including a variable frequency drive circuit (3), characterized in that: the input end of the variable frequency drive circuit (3) is connected with a signal coordination and processing unit (2), the signal coordination and processing unit ( 2) The input terminal is connected with a motor signal control processing unit (1), the output terminal of the variable frequency drive circuit (3) is connected with a variable frequency motor, and the signal coordination and processing unit (2) and the motor signal control processing unit (1) are external Power is connected.
- 根据权利要求1所述的一种新型变频式电机的驱动器，其特征在于：所述变频驱动电路（3）包括主控单元，所述主控单元分别连接有电源电路、霍尔开关和驱动模块。A new type of variable frequency motor drive according to claim 1, characterized in that: the variable frequency drive circuit (3) comprises a main control unit, and the main control unit is respectively connected with a power supply circuit, a Hall switch and a drive module .
- 根据权利要求2所述的一种新型变频式电机的驱动器，其特征在于：所述电机信号处理单元（1）包括ARM处理系统，所述ARM处理系统依次连接有数据隔离通道和波形重构单元，所述波形重构单元通过四路信号与信号协调与处理单元连接。The driver of a new type variable frequency motor according to claim 2, characterized in that: the motor signal processing unit (1) comprises an ARM processing system, and the ARM processing system is sequentially connected with a data isolation channel and a waveform reconstruction unit The waveform reconstruction unit is connected to the signal coordination and processing unit through four channels of signals.
- 根据权利要求3所述的一种新型变频式电机的驱动器，其特征在于：所述四路信号包括基准相位、一倍相差、二倍相差和三倍相差。The driver of a novel variable frequency motor according to claim 3, characterized in that: the four-channel signal includes a reference phase, a phase difference of one time, a phase difference of two times and a phase difference of three times.
- 根据权利要求4所述的一种新型变频式电机的驱动器，其特征在于：所述变频驱动电路（3）还包括过功率保护模块，其中过功率保护模块在驱动开棉和变频电机之间安装。A new type of variable frequency motor drive according to claim 4, characterized in that: the variable frequency drive circuit (3) further comprises an over power protection module, wherein the over power protection module is installed between the drive opener and the variable frequency motor .
- 根据权利要求5所述的一种新型变频式电机的驱动器，其特征在于：所述变频电机与电机信号控制处理单元（1）之间安装有监测反馈单元。A new type of variable frequency motor drive according to claim 5, characterized in that: a monitoring feedback unit is installed between the variable frequency motor and the motor signal control processing unit (1).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202090000091.8U CN214506919U (en) | 2020-06-16 | 2020-06-16 | Driver of novel variable frequency motor |
| PCT/CN2020/096246 WO2021253204A1 (en) | 2020-06-16 | 2020-06-16 | Novel driver for variable frequency motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2020/096246 WO2021253204A1 (en) | 2020-06-16 | 2020-06-16 | Novel driver for variable frequency motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2021253204A1 true WO2021253204A1 (en) | 2021-12-23 |
Family
ID=78214832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/CN2020/096246 WO2021253204A1 (en) | 2020-06-16 | 2020-06-16 | Novel driver for variable frequency motor |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN214506919U (en) |
| WO (1) | WO2021253204A1 (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200959582Y (en) * | 2006-08-11 | 2007-10-10 | 中山大洋电机股份有限公司 | Speed controlling system of DC brushless motor for ceiling fan |
| US20080088270A1 (en) * | 2006-10-13 | 2008-04-17 | Yong Shin T. Electric Machine Co., Ltd. | Three-in-one control device for a ceiling fan |
| CN102030251A (en) * | 2010-11-04 | 2011-04-27 | 天津市南奥电梯技术有限公司 | Escalator energy-saving control system based on embedded type technology |
| CN103023427A (en) * | 2012-12-27 | 2013-04-03 | 合肥荣事达三洋电器股份有限公司 | Driver and variable-frequency motor integrated driving system |
| CN105680660A (en) * | 2016-01-23 | 2016-06-15 | 广东工业大学 | Hybrid excitation motor device |
| CN106571760A (en) * | 2016-11-14 | 2017-04-19 | 大连理工大学 | Novel harmonic motor driver |
| CN206904334U (en) * | 2017-04-25 | 2018-01-19 | 南京舜唯科技工程有限公司 | A kind of variable-frequency control type valve actuator |
-
2020
- 2020-06-16 CN CN202090000091.8U patent/CN214506919U/en active Active
- 2020-06-16 WO PCT/CN2020/096246 patent/WO2021253204A1/en active Application Filing
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200959582Y (en) * | 2006-08-11 | 2007-10-10 | 中山大洋电机股份有限公司 | Speed controlling system of DC brushless motor for ceiling fan |
| US20080088270A1 (en) * | 2006-10-13 | 2008-04-17 | Yong Shin T. Electric Machine Co., Ltd. | Three-in-one control device for a ceiling fan |
| CN102030251A (en) * | 2010-11-04 | 2011-04-27 | 天津市南奥电梯技术有限公司 | Escalator energy-saving control system based on embedded type technology |
| CN103023427A (en) * | 2012-12-27 | 2013-04-03 | 合肥荣事达三洋电器股份有限公司 | Driver and variable-frequency motor integrated driving system |
| CN105680660A (en) * | 2016-01-23 | 2016-06-15 | 广东工业大学 | Hybrid excitation motor device |
| CN106571760A (en) * | 2016-11-14 | 2017-04-19 | 大连理工大学 | Novel harmonic motor driver |
| CN206904334U (en) * | 2017-04-25 | 2018-01-19 | 南京舜唯科技工程有限公司 | A kind of variable-frequency control type valve actuator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN214506919U (en) | 2021-10-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105305894B (en) | A kind of SRM torque ripple minimization control methods based on torque partition function on-line amending | |
| CN204481723U (en) | A kind of brushless direct current motor controller based on STM32 single-chip microcomputer | |
| CN100502226C (en) | Permanent-magnetic synchronous motor weak magnetic control system based on A. C. direct control | |
| CA2819105A1 (en) | Converting sub-circuit board of interface signals of electronically commutated motor | |
| WO2016101467A1 (en) | Isolation speed regulation interface circuit and electrical equipment system using same | |
| CN202997986U (en) | Direct current brushless motor driving device | |
| CN102097946B (en) | Multifunctional rectification and inversion electric energy feedback load | |
| WO2021253204A1 (en) | Novel driver for variable frequency motor | |
| CN217824787U (en) | Half-bridge circuit is removable formula's of cardboard motor drive | |
| CN104410334A (en) | Three-channel servo control driver | |
| CN108540026B (en) | Silicon carbide/gallium nitride MOSFET-based permanent magnet synchronous motor drive control real-time voltage regulating circuit | |
| CN106487249A (en) | A kind of high-gain non-bridge PFC changer for low-voltage, high-current occasion | |
| CN206658168U (en) | A kind of RHVC of the slip frequency controlled based on DSP | |
| CN205051620U (en) | SPWM's over -modulation control system in electric machine control for electric motor car | |
| CN213547459U (en) | High-efficiency audio amplifier system powered by envelope tracking power supply | |
| CN100536315C (en) | Permanent-magnetic synchronous motor weak magnetic control system based on A. C. indirect control | |
| CN209608571U (en) | A kind of driving device of brshless DC motor | |
| CN209692654U (en) | A kind of permanent magnet synchronous motor control device based on DSPIC chip | |
| CN202261162U (en) | Claw-pole motor driving system and fan driving system applying same | |
| CN208675209U (en) | High-power high-efficiency sonar transmitter | |
| CN204206036U (en) | A kind of triple channel SERVO CONTROL driver | |
| CN214380711U (en) | Claw pole type direct current synchronous motor with embedded driving circuit | |
| CN106571760B (en) | A kind of new harmonic motor driver | |
| CN202841033U (en) | Permanent magnet brushless DC motor and drive circuit thereof | |
| CN205545048U (en) | Three -phase AC permanent magnetism reluctance synchronizing high speed motor switching circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 20941299 Country of ref document: EP Kind code of ref document: A1 |
|
| NENP | Non-entry into the national phase |
Ref country code: DE |
|
| 122 | Ep: pct application non-entry in european phase |
Ref document number: 20941299 Country of ref document: EP Kind code of ref document: A1 |