WO2012142755A1 - 一种电子换向电机接口信号转换子线路板 - Google Patents

一种电子换向电机接口信号转换子线路板 Download PDF

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Publication number
WO2012142755A1
WO2012142755A1 PCT/CN2011/073066 CN2011073066W WO2012142755A1 WO 2012142755 A1 WO2012142755 A1 WO 2012142755A1 CN 2011073066 W CN2011073066 W CN 2011073066W WO 2012142755 A1 WO2012142755 A1 WO 2012142755A1
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Prior art keywords
circuit board
sub
circuit
port
unit
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PCT/CN2011/073066
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English (en)
French (fr)
Inventor
赵勇
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中山大洋电机制造有限公司
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Application filed by 中山大洋电机制造有限公司 filed Critical 中山大洋电机制造有限公司
Priority to CN201180002052.7A priority Critical patent/CN102934351B/zh
Priority to PCT/CN2011/073066 priority patent/WO2012142755A1/zh
Priority to CA2819105A priority patent/CA2819105C/en
Publication of WO2012142755A1 publication Critical patent/WO2012142755A1/zh
Priority to US13/779,707 priority patent/US9088242B2/en

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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02PCONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P6/00Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
    • H02P6/08Arrangements for controlling the speed or torque of a single motor

Definitions

  • the invention relates to an electronic reversing motor interface signal conversion sub-circuit board
  • the general electronic reversing drive motor includes a motor body and a motor controller.
  • the motor body includes the stator and rotor parts of the motor.
  • the motor controller records the need to interact with the motor entity, and also needs to be combined with the motor.
  • the specific application system that is, the control interface of the user-side control system is matched, because different user-side control systems match different control signals, for example, the air-conditioning control system and the washing machine control system are user-side control systems, and the control signals of the two systems are completely Not a good one.
  • the traditional approach is to develop an electric and motor controller for each kind of customer-side control system.
  • some motor controllers for the mating of the sub-boards have appeared, and the main functional circuits of the motor controllers are arranged on the mother circuit board, and various interface unit circuits and identification circuits are set in many
  • the sub-circuit board is connected to the mother circuit board by using the ⁇ - ⁇ sub-circuit board, and the identification circuit on the sub-line board notifies the emblem processor unit on the mother circuit board, and the sub-circuit board is automatically configured by the micro-processor unit.
  • the type of I/O port can be applied to different occasions by changing different sub-circuit boards. The application range is wide.
  • the motor manufacturer can reduce the type of motor for easy management, reduce the R&D investment of the motor, shorten the development cycle, and reduce the product.
  • the motor controller comprises a microprocessor unit, a signal interface unit and an identification circuit.
  • the microprocessor unit is arranged on the mother circuit board, the signal interface unit and the identity.
  • the identification circuit is disposed on the sub-circuit board, and is electrically connected through the docking of the sub-circuit board and the mother circuit board, the identification circuit inputs the identification signal to the microprocessor unit, and the microprocessor unit automatically configures each of the signal interface units according to the identification signal.
  • Type of I/O port Different types of signal interface units match the identification circuit to output different signals to form a plurality of different sub-boards.
  • the output end of the microprocessor unit is connected to the power inverter unit, and the output end of the rotor position detecting unit is connected to the input end of the microprocessor unit, and the power inverting unit and the rotor position detecting unit are all disposed on the mother circuit board.
  • the power circuit and the analog quantity detecting unit are also disposed on the mother circuit board, and the analog quantity detecting unit mainly detects the bus line current, the bus voltage, the phase current, and the analog quantity information such as NTC on the main board.
  • the power circuit supplies power to each part of the circuit.
  • the microprocessor unit is a CPU or a single-chip MCU or a digital signal processor DSP.
  • the female circuit board is provided with a plug-in port 3, and the plug-in port 3 is provided with 11 lugs, and the sub-circuit board can have more than one, and the plug-in port 3 has a 1st lug, respectively, E, N, L, Ml, M2 , M3, M4, M5, M6, M7, M8, each lug can be defined as follows: E, N, L three are power input, Ml, M2, M3, M4, M5, M6, M7, M8 are The interface signal input by the client control system to the sub board.
  • a slot 1 is disposed on the motherboard, and a plug connector 2 is disposed on the daughter board, and the plug connector 2 is nested inside the slot 1 to electrically connect the daughter board to the motherboard board.
  • An electronically commutated motor interface signal conversion sub-circuit board comprises: a unit circuit integrated on a sub-circuit board, wherein: the sub-circuit board is connected with the user-side control system and is provided with five ports, respectively:
  • R/T port Half-duplex asynchronous serial port communication port
  • Vcc port DC power supply input, voltage range 8V ⁇ 30V, current less than 30mA;
  • This signal line is the ground of the signal line, and the control signal is common;
  • Vsp port analog control signal input, voltage range 0 ⁇ 6. 5Vdc, current less than 1mA;
  • FG port Speed feedback signal output, output n pulses per revolution.
  • the sub-board described above is plugged into the bus board of the motor controller for converting signals so that the bus board is in communication with the customer control system.
  • Each of the unit circuits integrated on the sub-circuit board includes a half-duplex asynchronous serial communication unit, and the R/T port is connected to one end of the half-duplex asynchronous serial communication unit.
  • Each unit circuit integrated on the sub-circuit board described above further includes a voltage stabilizing circuit, and the Vcc port is connected to the input end of the voltage stabilizing circuit, and the output end of the voltage stabilizing circuit supplies power to each circuit on the sub-circuit board.
  • Each of the unit circuits integrated on the sub-line board further includes an open collector output unit, and the FG port is connected to the output end of the open collector output unit.
  • the unit circuits integrated on the sub-board are also included in the sub-board microprocessor, and the Vsp port is connected to the input of the sub-board microprocessor.
  • Each of the unit circuits integrated on the sub-line board further includes an identification circuit, and an output end of the identification circuit is connected to an input end of the motherboard.
  • the invention has the following advantages: 1) The sub-circuit board of the utility model is provided with 5 interface signal ports, reducing the number of ports, reducing electrical isolation, simplifying circuit structure, and helping to reduce costs; 2) sub-circuit board Set the sub-board microprocessor, the user-side control system input information can be pre-processed through the sub-board microprocessor, thereby reducing the resource consumption of the motherboard microprocessor unit and improving the computing speed; 3) facilitating the user-to-house user
  • the end control system matching signals form a more general standard, avoiding too many forms of sub-boards to be too popular, and easy to manage and promote applications.
  • Figure 1 is a wiring diagram of a conventional motor controller and a user terminal control system
  • Figure 2 is a schematic block diagram of a conventional motor controller
  • Figure 3 is a schematic diagram of the principle of the utility model of the conventional motor controller
  • FIG. 4 is a schematic view of a mother circuit board of a conventional motor controller
  • Figure 5 is a schematic view of the sub-circuit board of the conventional motor controller S
  • Figure 6 is a circuit block diagram of the sub-circuit board of the present invention.
  • Figure 7 is a circuit diagram corresponding to Figure 6.
  • an electronically commutated motor interface signal conversion sub-circuit board includes each unit circuit integrated on the sub-circuit board, and the sub-circuit board is plugged on the bus board of the motor controller for converting signals so as to
  • the mother circuit board is matched with the user terminal control system, and the sub circuit board is connected with the user terminal control system to set five ports, which are respectively:
  • R/T port Half-duplex asynchronous serial port communication port
  • Vcc port DC power supply input, voltage range 8V ⁇ 30V, current less than 30mA;
  • This signal line is the ground of the signal line, and the control signal is common;
  • Vsp port Analog control signal input, voltage range 0 ⁇ 6. 5Vdc, current less than 1mA;
  • FG port speed feedback signal output, output n pulses per revolution.
  • a power circuit, a motherboard microprocessor unit, a rotor position detecting unit, a power inverting unit and an analog quantity detecting unit are arranged on the mother circuit board, and a signal interface circuit is arranged on the sub circuit board, and the power circuit supplies power to each part of the circuit.
  • the analog detecting unit and the rotor position detecting unit input a detection signal to the motherboard microprocessor unit, and the motherboard microprocessor unit sends a control signal to the power inverter unit, and each unit circuit integrated on the sub-circuit board includes a half-duplex asynchronous The serial communication unit, the R/T port is connected to one end of the half-duplex asynchronous serial communication unit, and the other end of the half-duplex asynchronous serial communication unit is connected to the motherboard microprocessor unit of the mother circuit board, and is integrated on the sub-board
  • the unit circuit further includes a voltage stabilizing circuit, the Vcc port is connected to the input end of the voltage stabilizing circuit, the output end of the voltage stabilizing circuit supplies power to each circuit on the sub-circuit board, and each unit circuit integrated on the sub-circuit board further includes an open collector Output unit, FG port is connected to the output end of the open collector output unit, and the input end of the open collector output unit is connected
  • each unit circuit integrated on the sub-board includes an identification circuit N1, a voltage stabilizing circuit N4, a half-duplex asynchronous serial communication unit N2, a sub-board microprocessor N3, and an open collector output unit N5.
  • the principle of the utility model is: the user terminal control system inputs an analog quantity control signal to the sub-board microprocessor through the Vsp port, and the sub-board microprocessor processes the analog quantity control signal and converts it into a digital signal input to the motherboard microprocessor. unit.
  • the motherboard microprocessor unit detects that the actual running speed value of the motor is converted into a pulse signal, and is connected to the input end of the open collector output unit, and the open collector output unit The output sends the speed pulse signal to the customer control system through the FG port.
  • the client control system exchanges data with the motherboard microprocessor unit of the bus board through the R/T port and the half-duplex asynchronous serial communication unit.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Control Of Multiple Motors (AREA)
  • Combinations Of Printed Boards (AREA)
  • Control Of Electric Motors In General (AREA)

Description

技术领域 :
本发明涉及一种电子换向电机接口信号转换子线路板
背景技术 :
见图 1、 图 2所示, 一般电子换向驱动电机包括电机实体和电机控制器, 电机实体包括电机的定子和转子部分,电机控制器錄了需要与电机实体匹 S外, 还需要与电机具体的应用系统一即用户端控制系统的控制接口匹配,因为不同 的用户端控制系统匹配不同的控制信号,例如空调控制系统与洗衣机控制系统 都是用户端的控制系统, 两个系统的控制信号完全不一祥。传统的做法是针对 每一种用户端控制系统就开发一种电 及电机控制器, 这祥一来产生如下问 题: 1 )电机厂家生产的电 L型号非常多, 不便予管理和标准化; 2 )浪费开发 时间和研发的投入, 因为每一个新的用户端控制系统都需要重新开发一款电 机 增加产品的制造成本; 3 ) 重新设计需要制定新的生产工艺和认证成本, 增加了投入; 4 ) 电机应用范围非常窄, 不便予大范围推广应用。
为了解决上述的技术问题, 现在出现了一些子母线路板对接的电机控制 器,将电机控制器的主要功能电路设置在母线路板上,将多种的接口单元电路 和身份识别电路设置在多个子线路板上,利用其 Φ -··个子线路板与母线路板对 接, 子线路板上的身份识别电路通知母线路板上的徽处理器单元, 由微楚理器 单元自动配置子线路板上的 I /O口类型,从而可以通过更换不同的子线路板就 可以应用不同场合, 应用范围广, 电机生产厂家减少电机的种类便于管理, 可 以减少电机的研发投入、 缩短研发周期, 降低产品成本, 简化生产工艺, 提高 其具体的技术方案如图 3、 图 4和图 5所示, 电机控制器包括微处理器单 元、信号接口单元和身份识别电路, 微处理器单元设置在母线路板上, 信号接 口单元、身份识别电路设置在子线路板上, 通过子线路板和母线路板的对接形 成电连接, 身份识别电路将识别信号输入到微处理器单元,微处理器单元根据 识别信号自动配置信号接口单元的各个 I / O端口的类型。不同种类的信号接口 单元匹配的身份识别电路输出不同的信号,形成多个不同的子线路板。微处理 器单元的输出端连接功率逆变单元,转子位置检测单元的输出端连接微处理器 单元的输入端,功率逆变单元和转子位置检测单元都设置在母线路板上。 电源 电路和模拟量检测单元也设置在母线路板上,模拟量检测单元主要检测主板上 的母线电流、 母线电压、 相电流和 NTC等模拟量信息。 电源电路为各部份电路 供电。 所述的微处理器单元是 CPU或者是单片机 MCU或者是数字信号处理器 DSP。 母线路板上设置接插端口 3 , 接插端口 3里面设置 11路接线片, 子线路 板可以有多个, 接插端口 3上 1 1路接线片分别为 E、 N、 L、 Ml、 M2、 M3、 M4、 M5、 M6、 M7、 M8 , 各接线片的可以按如下标准定义, E、 N、 L三路是电源输入, Ml、 M2、 M3、 M4、 M5、 M6、 M7、 M8是用户端控制系统输入到子线路板的接口 信号。 在母线路板上设置有插槽 1 , 子线路板上设置有插接头 2 , 插接头 2嵌 套在插槽 1里面, 使子线路板与母线路板电连接起来。
在实际应用中存在如下缺点: 1 ) 当接口信号较多是, 子线路板与母线路 板之间需要釆用多路电气隔离, 电路复杂 成本高; 2 )接口信息需要主板的 微处理器单元 MCU很多的资源来处理, 影响运行速度; 3 ) 子线路板形式太多 太泛滥, 不便管理和匹配。
发明内容 :
本发明的目的是提供一种电子换向电机接口信号转换子线路板,它釆用新 的电气规范, 端口数少, 减少电气隔离, 简化电路结构, 对客户端控制系统的 输入指令具有预处理功能, 减少母板的微处理器单元的资源的耗损。
本发明的目的是通过下述技术方案予以实现的。
一种电子换向电机接口信号转换子线路板,包括集成在子线路板上的各单 元电路, 其特征在于: 该子线路板与用户端控制系统连接设置 5路端口, 分别 为:
R/T 端口: 半双工异步串口通信口;
Vcc端口: 直流供电电源输入, 电压范围 8V〜30V, 电流小于 30mA;
Common端口: 此信号线为信号线的地线,控制信号公共端;
Vsp端口: 模拟量控制信号输入, 电压范围 0〜6. 5Vdc,电流小于 1mA;
FG端口:速度反馈信号输出, 每转输出 n个脉冲。
上述所述的子线路板插接在电机控制器的母线路板上用来转换信号以便 母线路板与用户端控制系统通信匹配。
上述所述集成在子线路板上的各单元电路包括半双工异步串口通信单元, R/T 端口连接在半双工异步串口通信单元的一端。
上述所述的集成在子线路板上的各单元电路还包括稳压电路, Vcc端口连 接在稳压电路的输入端, 稳压电路的输出端为子线路板上的各电路供电。
上述所述集成在子线路板上的各单元电路还包括集电极开路输出单元, FG端口连接集电极开路输出单元的输出端。
上述所述集成在子线路板上的各单元电路还包括子板微处理器, Vsp端口 连接子板微处理器的输入端。
上述所述集成在子线路板上的各单元电路还包括身份识别电路, 身份识别 电路的输出端与母线路板的输入端连接。 本发明与现有技术相比具有如下优点: 1 )本实用新型子线路板设置 5 路接口信号端口, 减少端口的数量, 减少电气隔离, 简化电路结构, 有助降低 成本; 2 )子线路板设置子板微处理器, 用户端控制系统输入信息可以先通过 子板微处理器进行预处理, 从而减少母板微处理器单元的资源的耗损,提高运 算速度; 3 )便于与客―户用户端控制系统匹配信号 形成一个较为通用的标准, 避免子线路板的形式太多太泛滥, 便于管理和推广应用。
附图说明:
图 1是传统电机控制器与用户端控制系统的接线图;
图 2是传统电机控制器的原理方框图;
图 3是传统电机控制器的釆用子母线路扳的原理示意图;
图 4是传统电机控制器的母线路板的夕卜观示意图;
图 5是传统电机控制器的子线路板的外观示意 S;
图 6是本实用新型的子线路板的电路方框图;
图 7是图 6对应的电路图。
具体实施方式:
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:
如图 6所示, 一种电子换向电机接口信号转换子线路板, 包括集成在子 线路板上的各单元电路,子线路板插接在电机控制器的母线路板上用来转换信 号以便母线路板与用户端控制系统通信匹配,该子线路板与用户端控制系统连 接设置 5路端口, 分别为:
R/T端口: 半双工异步串口通信口;
Vcc端口: 直流供电电源输入, 电压范围 8V〜30V, 电流小于 30mA;
Common端口: 此信号线为信号线的地线,控制信号公共端; Vsp端口: 模拟量控制信号输入, 电压范围 0〜6. 5Vdc,电流小于 1mA; FG端口:速度反馈信号输出, 每转输出 n个脉冲。
母线路板上布置有电源电路、 母板微处理器单元、 转子位置检测单元、 功 率逆变单元和模拟量检测单元, 子线路板上布置有信号接口电路, 电源电路为 各部份电路供电,模拟量检测单元、 转子位置检测单元向母板微处理器单元输 入检测信号,母板微处理器单元向功率逆变单元发送控制信号,集成在子线路 板上的各单元电路包括半双工异步串口通信单元, R/T 端口连接在半双工异步 串口通信单元的一端,半双工异步串口通信单元的另一端连接母线路板的母板 微处理器单元, 集成在子线路板上的各单元电路还包括稳压电路, Vcc端口连 接在稳压电路的输入端,稳压电路的输出端为子线路板上的各电路供电, 集成 在子线路板上的各单元电路还包括集电极开路输出单元, FG端口连接集电极 开路输出单元的输出端,集电极开路输出单元的输入端连接母线路板的母板微 处理器单元, 集成在子线路板上的各单元电路还包括子板微处理器, Vsp端口 连接子板微处理器的输入端,子板微处理器的输出端通过光电藕合连接到母线 路板的母板微处理器单元。集成在子线路板上的各单元电路还包括身份识别电 路, 身份识别电路的输出端与母线路板的母板微处理器单元的输入端连接。
如图 7所示, 集成在子线路板上的各单元电路包括身份识别电路 Nl, 稳 压电路 N4, 半双工异步串口通信单元 N2, 子板微处理器 N3和集电极开路输出 单元 N5。
本实用新型原理是:用户端控制系统通过 Vsp端口向子板微处理器输入模 拟量控制信号,子板微处理器对模拟量控制信号进行处理后在转换成数字信号 输入到母板微处理器单元。母板微处理器单元检测到电机实际运行的速度值转 换成脉冲信号,通过连接集电极开路输出单元的输入端,集电极开路输出单元 的输出端将速度脉冲信号通过 FG端口送到用户端控制系统。用户端控制系统 通过 R/T 端口、 半双工异步串口通信单元与母线路板的母板微处理器单元进 行交换数据。
上述实施例为本发明的较佳实施方式,但本发明的实施方式不限于此,其 他任何未背离本发明的精神实质与原理下所作的改变、 修饰、 替代、 组合、 简 化, 均为等效的置换方式, 都包含在本发明的保护范围之内。

Claims

权 利 要 求
1、 一种电子换向电机接口信号转换子线路板, 包括集成在子线路板上的 各单元电路, 其特征在于: 该子线路板与用户端控制系统连接设置 5路端口, 分别为:
R/T 端口: 半双工异步串口通信口;
Vcc端口: 直流供电电源输入, 电压范围 8V〜30V, 电流小于 30mA;
Common端口: 此信号线为信号线的地线,控制信号公共端;
Vsp端口: 模拟量控制信号输入, 电压范围 0〜6. 5Vdc,电流小于 1mA; FG端口:速度反馈信号输出, 每转输出 n个脉冲。
2、根据权利要求 1所述的一种电子换向电机接口信号转换子线路板,其 特征在于:子线路板插接在电机控制器的母线路板上用来转换信号以便母线路 板与用户端控制系统通信匹配。
3、根据权利要求 1或 2所述的一种电子换向电机接口信号转换子线路板, 其特征在于: 集成在子线路板上的各单元电路包括半双工异步串口通信单元, R/T 端口连接在半双工异步串口通信单元的一端。
4、根据权利要求 1或 2所述的一种电子换向电机接口信号转换子线路板 , 其特征在于: 集成在子线路板上的各单元电路还包括稳压电路, Vcc端口连接 在稳压电路的输入端, 稳压电路的输出端为子线路板上的各电路供电。
5、根据权利要求 1或 2所述的一种电子换向电机接口信号转换子线路板 , 其特征在于:集成在子线路板上的各单元电路还包括集电极开路输出单元, FG 端口连接集电极开路输出单元的输出端。
6、根据权利要求 1或 2所述的一种电子换向电机接口信号转换子线路板, 其特征在于: 集成在子线路板上的各单元电路还包括子板微处理器, Vsp端口 连接子板微处理器的输入端。
7、根据权利要求 2所述的一种电子换向电机接口信号转换子线路板,其 特征在于: 集成在子线路板上的各单元电路还包括身份识别电路, 身份识别电 路的输出端与母线路板的输入端连接。
PCT/CN2011/073066 2011-04-20 2011-04-20 一种电子换向电机接口信号转换子线路板 WO2012142755A1 (zh)

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