WO2014019373A1 - Centralized motor controller for controlling multiple motors - Google Patents
Centralized motor controller for controlling multiple motors Download PDFInfo
- Publication number
- WO2014019373A1 WO2014019373A1 PCT/CN2013/073229 CN2013073229W WO2014019373A1 WO 2014019373 A1 WO2014019373 A1 WO 2014019373A1 CN 2013073229 W CN2013073229 W CN 2013073229W WO 2014019373 A1 WO2014019373 A1 WO 2014019373A1
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- WIPO (PCT)
- Prior art keywords
- motor
- controller
- microprocessor
- motors
- rotor position
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- 230000001360 synchronised effect Effects 0.000 claims abstract description 33
- 238000001514 detection method Methods 0.000 claims abstract description 10
- 238000004378 air conditioning Methods 0.000 claims description 4
- 238000005406 washing Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 7
- 230000017525 heat dissipation Effects 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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
- H02P5/00—Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors
- H02P5/74—Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors controlling two or more ac dynamo-electric motors
Definitions
- the invention relates to a centralized motor controller for controlling a plurality of motors.
- the traditional motor uses a single-phase AC motor PSC.
- the single-phase AC motor has low efficiency, relatively high energy consumption, high noise, and low controllability.
- ECM motor e lectronica l ly commutated motor
- the synchronous motor has the characteristics of high energy saving, high reliability and controllability, low noise, easy to realize intelligence, etc. It can solve the shortage of AC motor, therefore, many devices Start applying permanent magnet synchronous motors to reduce energy consumption.
- each motor controller includes a separate power supply section, a microprocessor, an inverter unit, and a rotor position sensing unit.
- each motor controller is provided with a power supply part, a microprocessor, an inverter circuit, and a motor operation parameter detecting unit, thereby causing the entire control part circuit to be overlapped and configured, the structure is complicated, and the hardware and software cannot be fully utilized. Resources will inevitably lead to a significant increase in product costs and waste of resources. In addition, due to the limited layout space of the motor controller, heat dissipation becomes a more difficult problem.
- An object of the present invention is to provide a centralized motor controller for controlling a plurality of motors, which At least two permanent magnet synchronous motors without a motor controller integrate the inverter unit and the rotor position detecting unit of the permanent magnet synchronous motor in a centralized motor controller, and the microprocessor in the centralized motor controller passes through the inverter unit
- the rotor position detecting unit cooperates to control the permanent magnet synchronous motor without motor controller, removes the overlapping circuit configuration, simplifies the circuit structure, greatly reduces product cost and reduces resource waste.
- a centralized motor controller for controlling a plurality of motors which is connected to an application system controller for receiving an instruction of an application system controller to control operation of a plurality of independent motors, including a power supply portion, a microprocessor, and a motor control
- the permanent magnet synchronous motor of the controller, the motor control interface circuit comprises at least two inverter units and two rotor position detecting units, and the microprocessor drives the permanent magnet synchronous motor without the motor controller through the inverter unit, and the rotor position detecting unit will The rotor position data of the permanent magnet synchronous motor without the motor controller is sent to the microprocessor.
- the plurality of motors described above include an AC motor, and the motor control interface circuit includes a relay and a drive circuit thereof, and the microprocessor controls the AC motor through the relay and its drive circuit.
- the plurality of motors described above are all permanent magnet synchronous motors without a motor controller.
- the motor control interface circuit includes a plurality of inverter units and a plurality of rotor position detecting units, and the microprocessor passes through one inverter unit and one The rotor position detecting unit is connected to one motor.
- the rotor position detecting unit described above is a phase current detecting unit, and the rotor position data is calculated by real-time phase current.
- the microprocessor described above has built-in or external memory, and the memory stores motor operating parameters and operating modes.
- the application system controller is an air conditioning system controller, a HVAC system controller, and a pump system control
- the controller, the washing machine controller, the car controller, and the microprocessor are connected to the application system controller through a user interface.
- the power supply part, the microprocessor, the user interface and the memory described above are integrated on one main circuit board, and one inverter unit and one rotor position detecting unit are integrated on one sub-circuit board, main circuit board and sub-line The board is connected to the connector through the patch port.
- the centralized motor controller for controlling multiple motors of the present invention is connected to an application system controller for receiving instructions of the application system controller to control multiple independent
- the motor works which comprises a power supply part, a microprocessor, a motor control interface circuit and a plurality of motors, the power supply part supplies power to each part of the circuit, and the microprocessor controls a plurality of motors through the motor control interface circuit, the plurality of motors are 3 or more, at least 2 motors use permanent magnet synchronous motor without motor controller.
- the motor control interface circuit includes at least 2 inverter units and 2 rotor position detecting units.
- the microprocessor is driven by the inverter unit.
- Permanent magnet synchronous motor without motor controller, rotor position detecting unit sends rotor position data of permanent magnet synchronous motor without motor controller to microprocessor, omitting the setting of independent power supply and microprocessor for each motor controller , simplify circuit structure, remove overlapping circuit configurations, greatly reduce product cost, reduce resource waste, centralized The heat dissipation condition of the machine controller is better, and the problem of unstable control caused by the difference in heat dissipation of the original motor controller is solved. 2) Multiple motors contain an AC motor, and the motor control interface circuit includes a relay and its drive circuit, and the microprocessor passes the relay and its drive. The circuit controls the AC motor and has wider adaptability; 3) The multiple motors are all permanent magnet synchronous motors without motor controller.
- the motor control interface circuit includes multiple inverter units and multiple rotor position detecting units.
- One inverter unit and one rotor position detection unit are connected to one motor to maximize energy saving and reduce product cost.
- the rotor position detecting unit is a phase current detecting unit, and the rotor position data is calculated by real-time phase current, which can simplify the connection, eliminate the use of the Hall element, and reduce the cost; 5) the power supply part, the microprocessor, the user
- the interface and the memory are integrated on one main circuit board, and one inverter unit and one rotor position detecting unit are integrated on one sub-circuit board, and the main circuit board and two or more sub-circuit boards pass through the connection port. It can be connected to the connector and can be configured according to the actual situation. It is flexible and convenient to use.
- FIG. 1 is a block diagram of Embodiment 1 of the present invention.
- Figure 2 is a detailed block diagram of Figure 1;
- FIG. 3 is a circuit diagram of an inverter unit and a rotor position detecting unit of the present invention
- Figure 4 is a block diagram of a second embodiment of the present invention.
- FIG. 5 is a block diagram of Embodiment 3 of the present invention.
- Figure 6 is a detailed structural view of Figure 5;
- FIG. 7 is a block diagram of Embodiment 4 of the present invention.
- Figure 8 is a block diagram of Embodiment 5 of the present invention.
- Embodiment 1 As shown in FIG. 1 and FIG. 2, a centralized motor controller for controlling a plurality of motors is connected to an application system controller for receiving an instruction of an application system controller to control operation of a plurality of independent motors.
- the utility model comprises a power supply part, a microprocessor, a motor control interface circuit and a plurality of motors, wherein the power supply part supplies power to each part of the circuit, and the microprocessor controls the plurality of motors through the motor control interface circuit, wherein the plurality of motors are three.
- the first motor, the second motor and the third motor respectively, the first motor and the second motor use a permanent magnet synchronous motor without a motor controller
- the third motor is an alternating current motor
- the motor control interface circuit comprises two inverter units 2 rotor position detecting unit and 1 way relay and its driving circuit
- the microprocessor drives the permanent magnet synchronous motor without motor controller through the inverter unit
- the rotor position detecting unit will be the permanent magnet synchronous motor without motor controller
- the rotor position data is sent to the microprocessor.
- One of the inverters The unit, a rotor position detecting unit is connected to a permanent magnet synchronous motor without a motor controller.
- the microprocessor controls the third motor through a 1-way relay and its driving circuit
- the application system controller is an air conditioning system controller, a HVAC system controller, a pump system controller, a washing machine controller, a vehicle controller, and a micro
- the processor is coupled to the application system controller via a user interface.
- the permanent magnet synchronous motor of the motorless controller of the present invention is controlled by a machine microprocessor MCU, and the rotor position detecting unit is a phase current detecting unit, and the rotor position data is calculated by real-time phase current.
- the phase current detecting unit mainly includes the resistor R20 and the A/D conversion, and uses the vector control method of the position sensor to detect only the phase current of the motor winding and calculate the rotor position, and utilizes multiple IGBTs of the inverter circuit (INVERTER).
- the switches Ql, Q2, Q3, Q4, Q5, and Q6 control the motor winding current.
- the circuit structure is simple, the measurement signal is small, the connection is simple, the circuit structure is simplified, and the cost is further reduced.
- the microprocessor is also connected to a user interface, and the microprocessor is connected to the application system controller through a user interface; the microprocessor has built-in or external memory, and the memory stores motor operating parameters and operating modes. Only one rotor position detecting unit and one inverter unit are connected to the microprocessor in Fig. 3.
- the power supply section, the microprocessor, the user interface and the memory are integrated on one main circuit board, and one inverter unit and one rotor position detecting unit are integrated on one sub-circuit board, and the main circuit board has two or more blocks.
- the sub-board is connected through the plug-in port and the connector, and can be configured according to the actual situation, and is flexible and convenient to use.
- Embodiment 2 As shown in FIG. 4, the difference from Embodiment 1 is that: the first motor, the second motor, and the third motor respectively use a permanent magnet synchronous motor without a motor controller, and the motor control interface circuit includes at least 3 Inverter unit, three rotor position detecting units, and three rotor position detecting units respectively detect rotor position data of three motors and send them to the microprocessor, and the microprocessor drives three motorless controllers through three inverter units respectively. Permanent magnet synchronous motor.
- Embodiment 3 As shown in FIG. 5 and FIG. 6, the difference from Embodiment 1 is that: The motor control interface circuit controls four motors, which are a first motor, a second motor, a third motor and a fourth motor, respectively, the first motor and the second motor adopt a permanent magnet synchronous motor without a motor controller, and the third motor and The fourth motor is an AC motor, and the motor control interface circuit includes two inverter units, two rotor position detecting units, and two relays and a driving circuit thereof, and the microprocessor drives the first motor and the second through two inverter units respectively.
- the motor control interface circuit controls four motors, which are a first motor, a second motor, a third motor and a fourth motor, respectively, the first motor and the second motor adopt a permanent magnet synchronous motor without a motor controller, and the third motor and The fourth motor is an AC motor
- the motor control interface circuit includes two inverter units, two rotor position detecting units, and two relays and a driving circuit thereof, and the microprocess
- the two motors, the two rotor position detecting units respectively send the rotor position data of the first motor and the second motor to the microprocessor, and the microprocessor controls the third motor and the fourth motor respectively through the two-way relay and the driving circuit thereof. .
- FIG. 7 is different from Embodiment 3 in that: the microprocessor controls four motors through a motor control interface circuit, which are a first motor, a second motor, a third motor, and a fourth motor, respectively.
- a motor, a second motor and a third motor both use a permanent magnet synchronous motor without a motor controller, and the fourth motor is an alternating current motor
- the motor control interface circuit includes three inverter units, three rotor position detecting units and one way The relay and its driving circuit, the microprocessor drives the first motor, the second motor and the third motor respectively through three inverter units, and the three rotor position detecting units respectively respectively drive the first motor, the second motor and the third motor
- the rotor position data is sent to the microprocessor, and the microprocessor controls the fourth motor separately through the one-way relay and its driving circuit.
- FIG. 8 is different from Embodiment 4 in that: the microprocessor controls four motors through a motor control interface circuit, which are a first motor, a second motor, a third motor, and a fourth motor, respectively.
- a motor, a second motor, a third motor and a fourth motor all use a permanent magnet synchronous motor without a motor controller
- the motor control interface circuit comprises four inverter units and four rotor position detecting units
- the microprocessor passes 4 The inverter units respectively drive the first motor, the second motor, the third motor and the fourth motor, and the four rotor position detecting units respectively send the rotor position data of the first motor, the second motor, the third motor and the fourth motor To the microprocessor.
Abstract
A centralized motor controller for controlling multiple motors is connected to an application system controller and used for receiving an instruction of the application system controller to control multiple independent motors. The centralized motor controller comprises a power supply portion, a microprocessor, a motor control interface circuit and multiple motors. The power supply portion is used for supplying power for each circuit, and the microprocessor is used for controlling the multiple motors through the motor control interface. The multiple motors comprise three motors or more, among which at least two motors adopt a permanent magnet synchronous motor without a motor controller. The motor control interface circuit at least comprises two inverter units and two rotor position detection units. The microprocessor drives the permanent magnet synchronous motors without the motor controller through the inverter unit; and the rotor position detection unit sends rotor position data of the permanent magnet synchronous motors without the motor controller to the microprocessor. The centralized motor controller can eliminate overlapping circuit configuration, thereby simplifying the circuit structure, and lowering the product cost.
Description
一种控制多台电机的集中式电机控制器 Centralized motor controller for controlling multiple motors
技术领域 ： Technical field:
本发明涉及一种控制多台电机的集中式电机控制器。 The invention relates to a centralized motor controller for controlling a plurality of motors.
背景技术 ： Background technique :
近几年， 随着电器领域竟争曰趋激烈， 对产品技术要求不断提高， 如要求 产品节能环保、 可控性智能化程度高、 开发周期短、 噪音小等。 作为核心部件 一一电机， 无疑成为解决上述技术问题的关键部件，传统的电机釆用单相交流 电机 PSC, 单相交流电机效率低， 比较耗能、 噪音也大， 可控性智能程度低。 In recent years, with the fierce competition in the field of electrical appliances, the technical requirements for products have been continuously improved, such as requiring energy-saving and environmental protection of products, high degree of controllability, short development cycle, and low noise. As a core component, the motor is undoubtedly the key component to solve the above technical problems. The traditional motor uses a single-phase AC motor PSC. The single-phase AC motor has low efficiency, relatively high energy consumption, high noise, and low controllability.
随着电机技术的发展， 出现了永磁同步电机， 该种电机必须带有电机控 制器， 利用电机控制器实现电流的电子换向的目的， 所以行业里也有人简称 With the development of motor technology, a permanent magnet synchronous motor has emerged. This kind of motor must be equipped with a motor controller. The motor controller is used to achieve the purpose of electronic commutation of current, so there is also a short name in the industry.
ECM电机（e lectronica l ly commutated motor ), 兹同步电机具有节能环保、 可靠性和可控性都比较高、 噪音小、 容易实现智能化等特点， 可以解决交流电 机的不足， 因此， 许多设备中开始应用永磁同步电机， 以降低能耗。 ECM motor (e lectronica l ly commutated motor), the synchronous motor has the characteristics of high energy saving, high reliability and controllability, low noise, easy to realize intelligence, etc. It can solve the shortage of AC motor, therefore, many devices Start applying permanent magnet synchronous motors to reduce energy consumption.
现在的中央空调系统， 通风系统、 洗衣机系统等设备中存在多台电机， 可能有 2台或 2台以上的电机釆用永磁同步电机，每台永磁同步电机带有独立 的电机控制器， 每个电机控制器都包括独立的电源部分、 微处理器、 逆变单元 和转子位置检测单元。 现有的技术方案中，每个电机控制器都设置电源部分、 微处理器、逆变电路和电机运行参数检测单元， 因此导致整个控制部分电路重 叠配置， 结构复杂， 也不能充分利用硬件和软件资源， 势必造成产品成本的大 大增加和资源的浪费。 另外， 电机控制器由于布局空间有限， 散热成为较为棘 手的问题。 There are many motors in the central air conditioning system, ventilation system, washing machine system, etc. There may be two or more motors using permanent magnet synchronous motors, and each permanent magnet synchronous motor has an independent motor controller. Each motor controller includes a separate power supply section, a microprocessor, an inverter unit, and a rotor position sensing unit. In the prior art solution, each motor controller is provided with a power supply part, a microprocessor, an inverter circuit, and a motor operation parameter detecting unit, thereby causing the entire control part circuit to be overlapped and configured, the structure is complicated, and the hardware and software cannot be fully utilized. Resources will inevitably lead to a significant increase in product costs and waste of resources. In addition, due to the limited layout space of the motor controller, heat dissipation becomes a more difficult problem.
发明内容 ： Summary of the invention:
本发明的一个目的是提供一种控制多台电机的集中式电机控制器，它釆用
至少 2台的无电机控制器的永磁同步电机，将永磁同步电机的逆变单元和转子 位置检测单元集成在集中式电机控制器，集中式电机控制器里面的微处理器通 过逆变单元、 转子位置检测单元的配合控制无电机控制器的永磁同步电机， 删 除重叠的电路配置， 简化电路结构， 大大降低产品成本， 减少资源浪费。 An object of the present invention is to provide a centralized motor controller for controlling a plurality of motors, which At least two permanent magnet synchronous motors without a motor controller integrate the inverter unit and the rotor position detecting unit of the permanent magnet synchronous motor in a centralized motor controller, and the microprocessor in the centralized motor controller passes through the inverter unit The rotor position detecting unit cooperates to control the permanent magnet synchronous motor without motor controller, removes the overlapping circuit configuration, simplifies the circuit structure, greatly reduces product cost and reduces resource waste.
本发明的目的是通过下述技术方案予以实现的： The object of the present invention is achieved by the following technical solutions:
一种控制多台电机的集中式电机控制器， 它连接在应用系统控制器上， 用来接收应用系统控制器的指令控制多台独立的电机工作， 它包括电源部分、 微处理器、 电机控制接口电路、 多台电机， 电源部分为各部分电路供电， 微处 理器通过电机控制接口电路控制多台电机，所述的多台电机是 3台或者 3台以 上， 至少一台电机釆用无电机控制器的永磁同步电机， 电机控制接口电路至少 包括 2个逆变单元和 2个转子位置检测单元，微处理器通过逆变单元驱动无电 机控制器的永磁同步电机，转子位置检测单元将无电机控制器的永磁同步电机 的转子位置数据送到微处理器。 A centralized motor controller for controlling a plurality of motors, which is connected to an application system controller for receiving an instruction of an application system controller to control operation of a plurality of independent motors, including a power supply portion, a microprocessor, and a motor control The interface circuit and the plurality of motors, the power supply part supplies power to each part of the circuit, and the microprocessor controls the plurality of motors through the motor control interface circuit, the plurality of motors are three or more, and at least one motor is used without a motor. The permanent magnet synchronous motor of the controller, the motor control interface circuit comprises at least two inverter units and two rotor position detecting units, and the microprocessor drives the permanent magnet synchronous motor without the motor controller through the inverter unit, and the rotor position detecting unit will The rotor position data of the permanent magnet synchronous motor without the motor controller is sent to the microprocessor.
上述所述的多台电机含有交流电机，电机控制接口电路包括继电器及其驱 动电路， 微处理器通过继电器及其驱动电路控制交流电机。 The plurality of motors described above include an AC motor, and the motor control interface circuit includes a relay and a drive circuit thereof, and the microprocessor controls the AC motor through the relay and its drive circuit.
上述所述的多台电机全部都是无电机控制器的永磁同步电机，电机控制接 口电路包括多个逆变单元和多个转子位置检测单元，微处理器通过 1个逆变单 元和 1个转子位置检测单元与 1台电机连接。 The plurality of motors described above are all permanent magnet synchronous motors without a motor controller. The motor control interface circuit includes a plurality of inverter units and a plurality of rotor position detecting units, and the microprocessor passes through one inverter unit and one The rotor position detecting unit is connected to one motor.
上述所述的所述的转子位置检测单元是相电流检测单元， 转子位置数据 通过实时相电流计算得出。 The rotor position detecting unit described above is a phase current detecting unit, and the rotor position data is calculated by real-time phase current.
上述所述的微处理器内置或者外置存储器， 存储器存储电机运行参数和 运行模式。 The microprocessor described above has built-in or external memory, and the memory stores motor operating parameters and operating modes.
所述的应用系统控制器是空调系统控制器、 暖通系统控制器、 泵系统控
制器、 洗衣机控制器、 汽车控制器， 微处理器通过用户接口与应用系统控制器 连接。 The application system controller is an air conditioning system controller, a HVAC system controller, and a pump system control The controller, the washing machine controller, the car controller, and the microprocessor are connected to the application system controller through a user interface.
上述所述的电源部分、 微处理器、 用户接口和存储器集成在一个主电路 板上， 将 1个逆变单元和 1个转子位置检测单元集成在一块子线路板上， 主电 路板与子线路板通过接插端口和接插件连接。 The power supply part, the microprocessor, the user interface and the memory described above are integrated on one main circuit board, and one inverter unit and one rotor position detecting unit are integrated on one sub-circuit board, main circuit board and sub-line The board is connected to the connector through the patch port.
本发明与现有技术相比具有如下优点： 1 )本发明的控制多台电机的集中 式电机控制器， 它连接在应用系统控制器上，用来接收应用系统控制器的指令 控制多台独立的电机工作， 它包括电源部分、 微处理器、 电机控制接口电路和 多台电机， 电源部分为各部分电路供电，微处理器通过电机控制接口电路控制 多台电机， 所述的多台电机是 3台或者 3台以上， 至少 2台电机釆用无电机控 制器的永磁同步电机，电机控制接口电路至少包括 2个逆变单元和 2个转子位 置检测单元，微处理器通过逆变单元驱动无电机控制器的永磁同步电机， 转子 位置检测单元将无电机控制器的永磁同步电机的转子位置数据送到微处理器， 省略原来每个电机控制器独立配置电源和微处理器的设置， 简化电路结构， 删 除重叠的电路配置， 大大降低产品成本， 减少资源浪费， 集中式电机控制器的 散热条件较好， 解决原来电机控制器散热差导致控制不稳定问题； 2 ) 多台电 机含有交流电机， 电机控制接口电路包括继电器及其驱动电路，微处理器通过 继电器及其驱动电路控制交流电机， 适应性更加广； 3 ) 多台电机全部都是无 电机控制器的永磁同步电机，电机控制接口电路包括多个逆变单元和多个转子 位置检测单元，微处理器通过 1个逆变单元和 1个转子位置检测单元与 1台电 机连接， 可以最大限度地实现节能的目的， 同时降低产品成本。 4 )所述的转 子位置检测单元是相电流检测单元， 转子位置数据通过实时相电流计算得出， 可以简化连接， 不釆用霍尔元件， 降低成本； 5 ) 电源部分、 微处理器、 用户
接口和存储器集成在一个主电路板上，将 1个逆变单元和 1个转子位置检测单 元集成在一块子线路板上，主电路板与 2块或者 2块以上的子线路板通过接插 端口和接插件连接， 可以根据实际情况随意配置， 使用灵活方便。 Compared with the prior art, the present invention has the following advantages: 1) The centralized motor controller for controlling multiple motors of the present invention is connected to an application system controller for receiving instructions of the application system controller to control multiple independent The motor works, which comprises a power supply part, a microprocessor, a motor control interface circuit and a plurality of motors, the power supply part supplies power to each part of the circuit, and the microprocessor controls a plurality of motors through the motor control interface circuit, the plurality of motors are 3 or more, at least 2 motors use permanent magnet synchronous motor without motor controller. The motor control interface circuit includes at least 2 inverter units and 2 rotor position detecting units. The microprocessor is driven by the inverter unit. Permanent magnet synchronous motor without motor controller, rotor position detecting unit sends rotor position data of permanent magnet synchronous motor without motor controller to microprocessor, omitting the setting of independent power supply and microprocessor for each motor controller , simplify circuit structure, remove overlapping circuit configurations, greatly reduce product cost, reduce resource waste, centralized The heat dissipation condition of the machine controller is better, and the problem of unstable control caused by the difference in heat dissipation of the original motor controller is solved. 2) Multiple motors contain an AC motor, and the motor control interface circuit includes a relay and its drive circuit, and the microprocessor passes the relay and its drive. The circuit controls the AC motor and has wider adaptability; 3) The multiple motors are all permanent magnet synchronous motors without motor controller. The motor control interface circuit includes multiple inverter units and multiple rotor position detecting units. One inverter unit and one rotor position detection unit are connected to one motor to maximize energy saving and reduce product cost. 4) The rotor position detecting unit is a phase current detecting unit, and the rotor position data is calculated by real-time phase current, which can simplify the connection, eliminate the use of the Hall element, and reduce the cost; 5) the power supply part, the microprocessor, the user The interface and the memory are integrated on one main circuit board, and one inverter unit and one rotor position detecting unit are integrated on one sub-circuit board, and the main circuit board and two or more sub-circuit boards pass through the connection port. It can be connected to the connector and can be configured according to the actual situation. It is flexible and convenient to use.
附图说明： BRIEF DESCRIPTION OF THE DRAWINGS:
图 1 是本发明的实施例一的方框图； Figure 1 is a block diagram of Embodiment 1 of the present invention;
图 2是图 1的具体方框图； Figure 2 is a detailed block diagram of Figure 1;
图 3是本发明的逆变单元和转子位置检测单元的电路图 3 is a circuit diagram of an inverter unit and a rotor position detecting unit of the present invention
图 4本发明的实施例二的方框图。 Figure 4 is a block diagram of a second embodiment of the present invention.
图 5 是本发明的实施例三的方框图； Figure 5 is a block diagram of Embodiment 3 of the present invention;
图 6是图 5的具体实施结构图； Figure 6 is a detailed structural view of Figure 5;
图 7的本发明的实施例四的方框图； Figure 7 is a block diagram of Embodiment 4 of the present invention;
图 8是本发明的实施例五的方框图。 Figure 8 is a block diagram of Embodiment 5 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发明作进一步详细的描述。 The present invention will now be described in further detail by way of specific embodiments and the accompanying drawings.
实施例一： 图 1、 图 2所示， 一种控制多台电机的集中式电机控制器， 它 连接在应用系统控制器上，用来接收应用系统控制器的指令控制多台独立的电 机工作， 它包括电源部分、 微处理器、 电机控制接口电路和多台电机， 电源部 分为各部分电路供电，微处理器通过电机控制接口电路控制多台电机， 所述的 多台电机是 3台， 分别为第一电机、 第二电机和第三电机， 第一电机和第二电 机釆用无电机控制器的永磁同步电机， 第三电机是交流电机， 电机控制接口电 路包括 2个逆变单元、 2个转子位置检测单元和 1路的继电器及其驱动电路， 微处理器通过逆变单元驱动无电机控制器的永磁同步电机，转子位置检测单元 将无电机控制器的永磁同步电机的转子位置数据送到微处理器。其中 1个逆变
单元、 1个转子位置检测单元与一台无电机控制器的永磁同步电机连接。 微处 理器通过 1路的继电器及其驱动电路控制第三电机，所述的应用系统控制器是 空调系统控制器、 暖通系统控制器、 泵系统控制器、 洗衣机控制器、 汽车控制 器， 微处理器通过用户接口与应用系统控制器连接。 Embodiment 1: As shown in FIG. 1 and FIG. 2, a centralized motor controller for controlling a plurality of motors is connected to an application system controller for receiving an instruction of an application system controller to control operation of a plurality of independent motors. The utility model comprises a power supply part, a microprocessor, a motor control interface circuit and a plurality of motors, wherein the power supply part supplies power to each part of the circuit, and the microprocessor controls the plurality of motors through the motor control interface circuit, wherein the plurality of motors are three. The first motor, the second motor and the third motor respectively, the first motor and the second motor use a permanent magnet synchronous motor without a motor controller, the third motor is an alternating current motor, and the motor control interface circuit comprises two inverter units 2 rotor position detecting unit and 1 way relay and its driving circuit, the microprocessor drives the permanent magnet synchronous motor without motor controller through the inverter unit, and the rotor position detecting unit will be the permanent magnet synchronous motor without motor controller The rotor position data is sent to the microprocessor. One of the inverters The unit, a rotor position detecting unit is connected to a permanent magnet synchronous motor without a motor controller. The microprocessor controls the third motor through a 1-way relay and its driving circuit, the application system controller is an air conditioning system controller, a HVAC system controller, a pump system controller, a washing machine controller, a vehicle controller, and a micro The processor is coupled to the application system controller via a user interface.
如图 3所示，本发明的无电机控制器的永磁同步电机是由机微处理器 MCU 控制， 所述的转子位置检测单元是相电流检测单元， 转子位置数据通过实时相 电流计算得出， 相电流检测单元主要包括电阻 R20和 A/D转换，釆用无位置传 感器的矢量控制的方式， 只检测电机绕组的相电流并计算出转子位置，利用逆 变电路（INVERTER)的多个 IGBT开关 Ql、 Q2、 Q3、 Q4、 Q5、 Q6来控制电机绕 组电流， 电路结构简单， 测量信号少， 连接简单， 简化电路结构， 进一步降低 成本 。 微处理器还连接有用户接口， 微处理器通过用户接口与应用系统控制 器连接； 微处理器内置或者外置存储器， 存储器存储电机运行参数和运行模 式。图 3中只表示出 1个转子位置检测单元和 1个逆变单元与微处理器的连接。 电源部分、微处理器、 用户接口和存储器集成在一个主电路板上， 将 1个逆变 单元和 1个转子位置检测单元集成在一块子线路板上， 主电路板与 2块或者 2 块以上的子线路板通过接插端口和接插件连接， 可以根据实际情况随意配置， 使用灵活方便。 As shown in FIG. 3, the permanent magnet synchronous motor of the motorless controller of the present invention is controlled by a machine microprocessor MCU, and the rotor position detecting unit is a phase current detecting unit, and the rotor position data is calculated by real-time phase current. The phase current detecting unit mainly includes the resistor R20 and the A/D conversion, and uses the vector control method of the position sensor to detect only the phase current of the motor winding and calculate the rotor position, and utilizes multiple IGBTs of the inverter circuit (INVERTER). The switches Ql, Q2, Q3, Q4, Q5, and Q6 control the motor winding current. The circuit structure is simple, the measurement signal is small, the connection is simple, the circuit structure is simplified, and the cost is further reduced. The microprocessor is also connected to a user interface, and the microprocessor is connected to the application system controller through a user interface; the microprocessor has built-in or external memory, and the memory stores motor operating parameters and operating modes. Only one rotor position detecting unit and one inverter unit are connected to the microprocessor in Fig. 3. The power supply section, the microprocessor, the user interface and the memory are integrated on one main circuit board, and one inverter unit and one rotor position detecting unit are integrated on one sub-circuit board, and the main circuit board has two or more blocks. The sub-board is connected through the plug-in port and the connector, and can be configured according to the actual situation, and is flexible and convenient to use.
实施例二： 如图 4所示， 与实施例一的不同点在于： 第一电机、第二电机、 第三电机均釆用无电机控制器的永磁同步电机， 电机控制接口电路至少包括 3 个逆变单元、 3个转子位置检测单元， 3个转子位置检测单元分别检测 3台电 机的转子位置数据送到微处理器，微处理器分别通过 3个逆变单元驱动 3台无 电机控制器的永磁同步电机。 Embodiment 2: As shown in FIG. 4, the difference from Embodiment 1 is that: the first motor, the second motor, and the third motor respectively use a permanent magnet synchronous motor without a motor controller, and the motor control interface circuit includes at least 3 Inverter unit, three rotor position detecting units, and three rotor position detecting units respectively detect rotor position data of three motors and send them to the microprocessor, and the microprocessor drives three motorless controllers through three inverter units respectively. Permanent magnet synchronous motor.
实施例三： 如图 5、 图 6所示， 与实施例 1的不同点在于： 微处理器通过
电机控制接口电路控制 4台电机， 分别为第一电机、 第二电机、 第三电机和第 四电机， 第一电机和第二电机釆用无电机控制器的永磁同步电机， 第三电机和 第四电机是交流电机， 电机控制接口电路包括 2个逆变单元、 2个转子位置检 测单元和 2路的继电器及其驱动电路，微处理器通过 2个逆变单元分别驱动第 一电机和第二电机， 2个转子位置检测单元分别将第一电机和第二电机的转子 位置数据送到微处理器，微处理器分别通过 2路的继电器及其驱动电路分别控 制第三电机和第四电机。 Embodiment 3: As shown in FIG. 5 and FIG. 6, the difference from Embodiment 1 is that: The motor control interface circuit controls four motors, which are a first motor, a second motor, a third motor and a fourth motor, respectively, the first motor and the second motor adopt a permanent magnet synchronous motor without a motor controller, and the third motor and The fourth motor is an AC motor, and the motor control interface circuit includes two inverter units, two rotor position detecting units, and two relays and a driving circuit thereof, and the microprocessor drives the first motor and the second through two inverter units respectively. The two motors, the two rotor position detecting units respectively send the rotor position data of the first motor and the second motor to the microprocessor, and the microprocessor controls the third motor and the fourth motor respectively through the two-way relay and the driving circuit thereof. .
实施例四： 图 7所示， 与实施例三的不同点在于： 微处理器通过电机控制 接口电路控制 4台电机， 分别为第一电机、 第二电机、 第三电机和第四电机， 第一电机、 第二电机和第三电机都釆用无电机控制器的永磁同步电机， 第四电 机是交流电机， 电机控制接口电路包括 3个逆变单元、 3个转子位置检测单元 和 1路的继电器及其驱动电路,微处理器通过 3个逆变单元分别驱动第一电机、 第二电机和第三电机， 3个转子位置检测单元分别将第一电机、 第二电机和第 三电机的转子位置数据送到微处理器，微处理器分别通过 1路的继电器及其驱 动电路分别控制第四电机。 Embodiment 4: FIG. 7 is different from Embodiment 3 in that: the microprocessor controls four motors through a motor control interface circuit, which are a first motor, a second motor, a third motor, and a fourth motor, respectively. A motor, a second motor and a third motor both use a permanent magnet synchronous motor without a motor controller, and the fourth motor is an alternating current motor, and the motor control interface circuit includes three inverter units, three rotor position detecting units and one way The relay and its driving circuit, the microprocessor drives the first motor, the second motor and the third motor respectively through three inverter units, and the three rotor position detecting units respectively respectively drive the first motor, the second motor and the third motor The rotor position data is sent to the microprocessor, and the microprocessor controls the fourth motor separately through the one-way relay and its driving circuit.
实施例五： 图 8所示， 与实施例四的不同点在于： 微处理器通过电机控制 接口电路控制 4台电机， 分别为第一电机、 第二电机、 第三电机和第四电机， 第一电机、 第二电机、 第三电机和第四电机都釆用无电机控制器的永磁同步电 机， 电机控制接口电路包括 4个逆变单元和 4个转子位置检测单元，微处理器 通过 4个逆变单元分别驱动第一电机、 第二电机、 第三电机和第四电机， 4个 转子位置检测单元分别将第一电机、 第二电机、 第三电机和第四电机的转子位 置数据送到微处理器。
Embodiment 5: FIG. 8 is different from Embodiment 4 in that: the microprocessor controls four motors through a motor control interface circuit, which are a first motor, a second motor, a third motor, and a fourth motor, respectively. A motor, a second motor, a third motor and a fourth motor all use a permanent magnet synchronous motor without a motor controller, and the motor control interface circuit comprises four inverter units and four rotor position detecting units, and the microprocessor passes 4 The inverter units respectively drive the first motor, the second motor, the third motor and the fourth motor, and the four rotor position detecting units respectively send the rotor position data of the first motor, the second motor, the third motor and the fourth motor To the microprocessor.
Claims
1、 一种控制多台电机的集中式电机控制器，它连接在应用系统控制器上, 用来接收应用系统控制器的指令控制多台独立的电机工作， 其特征在于： 它包 括电源部分、 微处理器、 电机控制接口电路和多台电机， 电源部分为各部分电 路供电， 微处理器通过电机控制接口电路控制多台电机， 所述的多台电机是 3 台或者 3台以上， 至少 2台电机釆用无电机控制器的永磁同步电机， 电机控制 接口电路至少包括 2个逆变单元和 2个转子位置检测单元，微处理器通过逆变 单元驱动无电机控制器的永磁同步电机，转子位置检测单元将无电机控制器的 同步电机的转子位置数据送到微处理器。 1. A centralized motor controller that controls multiple motors. It is connected to the application system controller and used to receive instructions from the application system controller to control the operation of multiple independent motors. It is characterized by: It includes a power supply part, Microprocessor, motor control interface circuit and multiple motors. The power supply part supplies power to each part of the circuit. The microprocessor controls multiple motors through the motor control interface circuit. The multiple motors are 3 or more, at least 2 The machine uses a permanent magnet synchronous motor without a motor controller. The motor control interface circuit includes at least 2 inverter units and 2 rotor position detection units. The microprocessor drives the permanent magnet synchronous motor without a motor controller through the inverter unit. , the rotor position detection unit sends the rotor position data of the synchronous motor without motor controller to the microprocessor.
2、 根据权利要求 1所述的一种控制多台电机的集中式电机控制器， 其特 征在于： 所述的多台电机含有交流电机， 电机控制接口电路包括继电器及其驱 动电路， 微处理器通过继电器及其驱动电路控制交流电机。 2. A centralized motor controller for controlling multiple motors according to claim 1, characterized in that: the multiple motors contain AC motors, the motor control interface circuit includes relays and their drive circuits, and a microprocessor The AC motor is controlled through the relay and its drive circuit.
3、 根据权利要求 1所述的一种控制多台电机的集中式电机控制器， 其特 征在于： 所述的多台电机全部都是无电机控制器的永磁同步电机， 电机控制接 口电路包括多个逆变单元和多个转子位置检测单元，微处理器通过 1个逆变单 元和 1个转子位置检测单元与 1台电机连接。 3. A centralized motor controller for controlling multiple motors according to claim 1, characterized in that: the multiple motors are all permanent magnet synchronous motors without a motor controller, and the motor control interface circuit includes Multiple inverter units and multiple rotor position detection units, the microprocessor is connected to one motor through one inverter unit and one rotor position detection unit.
4、 根据权利要求 1或 2或 3所述的一种控制多台电机的集中式电机控制 器， 其特征在于： 所述的转子位置检测单元是相电流检测单元， 转子位置数据 通过实时相电流计算得出。 4. A centralized motor controller for controlling multiple motors according to claim 1 or 2 or 3, characterized in that: the rotor position detection unit is a phase current detection unit, and the rotor position data is passed through the real-time phase current Calculated.
5、 根据权利要求 5所述的一种控制多台电机的集中式电机控制器， 其特 征在于： 微处理器内置或者外置存储器， 存储器存储电机运行参数和运行模 式。 5. A centralized motor controller for controlling multiple motors according to claim 5, characterized in that: the microprocessor has a built-in or external memory, and the memory stores motor operating parameters and operating modes.
6、 根据权利要求 5所述的一种控制多台电机的集中式电机控制器， 其特
征在于： 所述的应用系统控制器是空调系统控制器、 暖通系统控制器、 泵系统 控制器、 洗衣机控制器、 汽车控制器， 微处理器通过用户接口与应用系统控制 器连接。 6. A centralized motor controller for controlling multiple motors according to claim 5, wherein The characteristics are: the application system controller is an air conditioning system controller, an HVAC system controller, a pump system controller, a washing machine controller, and an automobile controller, and the microprocessor is connected to the application system controller through a user interface.
7、 根据权利要求 6所述的一种控制多台电机的集中式电机控制器， 其特 征在于： 电源部分、 微处理器、 用户接口和存储器集成在一个主电路板上， 将 1个逆变单元和 1个转子位置检测单元集成在一块子线路板上， 主电路板与子 线路板通过接插端口和接插件连接。
7. A centralized motor controller for controlling multiple motors according to claim 6, characterized in that: the power supply part, microprocessor, user interface and memory are integrated on one main circuit board, and one inverter The unit and a rotor position detection unit are integrated on a sub-circuit board, and the main circuit board and the sub-circuit board are connected through plug-in ports and connectors.
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|---|---|---|---|---|
| US10234165B2 (en) | 2012-07-21 | 2019-03-19 | Zhongshan Broad-Ocean Motor Co., Ltd. | HVAC control system for household central air conditioning |
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| CN101132159A (en) * | 2006-08-22 | 2008-02-27 | 深圳市艾特航模有限公司 | Brushless motor controller |
| CN101464032A (en) * | 2007-12-20 | 2009-06-24 | 珠海格力电器股份有限公司 | Sine DC variable frequency air conditioner controller and its control method |
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Also Published As
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| CN102769418B (en) | 2014-12-17 |
| CN102769418A (en) | 2012-11-07 |
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