WO2014117545A1 - 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
WO2014117545A1
WO2014117545A1 PCT/CN2013/085747 CN2013085747W WO2014117545A1 WO 2014117545 A1 WO2014117545 A1 WO 2014117545A1 CN 2013085747 W CN2013085747 W CN 2013085747W WO 2014117545 A1 WO2014117545 A1 WO 2014117545A1
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Prior art keywords
circuit board
circuit
interface
sub
signal conversion
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English (en)
French (fr)
Inventor
赵勇
张先胜
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Zhongshan Broad Ocean Motor Co Ltd
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Zhongshan Broad Ocean Motor Co Ltd
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Publication of WO2014117545A1 publication Critical patent/WO2014117545A1/zh
Priority to US14/534,202 priority Critical patent/US20150061473A1/en
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/0094—Structural association with other electrical or electronic devices
    • 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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K29/00—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices
    • H02K29/06—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with position sensing devices
    • H02K29/08—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with position sensing devices using magnetic effect devices, e.g. Hall-plates, magneto-resistors

Definitions

  • the utility model 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 a stator and a rotor portion of the motor.
  • the motor controller needs to be specific to the motor.
  • the 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.
  • the air-conditioning control system and the washing machine control system are both user-side control systems, and the control signals of the two systems are completely different. .
  • the traditional approach is to develop a motor and motor controller for each type of customer-side control system.
  • the main function 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-board uses one of the sub-boards to interface with the mother board, and the identification circuit on the sub-board notifies the emblem processor unit on the motherboard, and the microprocessor unit automatically configures the I/O on the sub-board.
  • the port type can be applied to different occasions by replacing 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, reduce the product cost, and simplify the production process. , Improve efficiency.
  • the motor controller includes a microprocessor unit, a signal interface unit and an identification circuit.
  • the microprocessor unit is disposed 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, and the identification circuit inputs the identification signal to the microprocessor unit, and the microprocessor unit identifies the The signal automatically configures the type of each I/O port of the signal interface unit. 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.
  • the purpose of the utility model is to provide an electronic reversing motor interface signal conversion sub-circuit board, which reduces the number and type of interface signals, simplifies the circuit structure complexity, reduces the cost, and uses all low-voltage numbers.
  • An electronically commutated motor interface signal conversion sub-circuit board for plugging on a mother circuit board of a motor controller to match a user terminal control system interface signal, comprising an interface unit circuit integrated on a sub-circuit board, the interface The unit circuit includes an RS485 interface circuit.
  • the RS485 interface circuit described above is connected to the microprocessor unit on the motor board of the motor controller.
  • the client control system communicates with the microprocessor unit on the motor board of the motor controller through the RS485 interface circuit.
  • the sub-circuit board described above is connected with the user terminal control system to set four ports, which are: a user terminal power port, which supplies power to the RS485 interface circuit; a user terminal ground port, which is a common ground terminal of the RS485 interface circuit; Output port: It is the output or input of the in-phase signal; Inverting input/output port of the user: It is the output or input of the inverted signal.
  • the interface unit circuit described above further includes an identification circuit, the output of the identification circuit being coupled to the input of the microprocessor unit on the motherboard.
  • the above-mentioned connection between the sub-circuit board and the mother circuit board is provided with five ports, which are: the mother board power port: power supply for the RS485 interface circuit; the mother board ground port: the common ground end of the RS485 interface circuit; Port: Provides the sub-board type identification signal to the mother circuit board; Communication transmitting end: The control signal for receiving the mother circuit board is used to control communication; The communication receiving end: realizes mutual transmission of data.
  • the identification circuit described above comprises a first resistor and a second resistor connected in series, the two ends are respectively connected to the power source and the ground, and the first resistor and the second resistor are intermediate output sub-board type identification signals.
  • the utility model has the following advantages: 1) an interface signal conversion sub-circuit board, which is used for mating on the mother circuit board of the motor controller to match the interface signal of the user terminal control system, including integration on the sub-circuit board
  • the interface unit circuit, the interface unit circuit includes an RS485 interface circuit, reduces the number and type of interface signals, simplifies the circuit structure, reduces the cost, and all uses low-voltage digital signal communication to further simplify the interface circuit; 2) the sub-circuit board and the user
  • the terminal control system is connected to set four ports, which are: user power port, user ground port, user phase I/O port, user inverting input and output port, and the number of interface ports with the original sub-board are reduced by 1/ 2.
  • the connection between the sub-circuit board and the mother circuit board is set to 5 ports, which are: Mother board power port: Power supply for RS485 interface circuit; Mother board ground port: Common ground terminal of RS485 interface circuit; Identification port: A sub-board type identification signal is provided to the mother circuit board; a communication transmitting end: a control signal for receiving the mother circuit board is used to control communication; a communication receiving end: realizing mutual transmission of data; greatly reducing the number of connection ports and simplifying the circuit structure.
  • Mother board power port Power supply for RS485 interface circuit
  • Mother board ground port Common ground terminal of RS485 interface circuit
  • Identification port A sub-board type identification signal is provided to the mother circuit board; a communication transmitting end: a control signal for receiving the mother circuit board is used to control communication; a communication receiving end: realizing mutual transmission of data; greatly reducing the number of connection ports and simplifying the circuit structure.
  • 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
  • FIG. 3 is a schematic diagram of the principle of a conventional sub-circuit board of a conventional motor controller
  • FIG. 4 is a schematic view showing the appearance of a mother circuit board of a conventional motor controller
  • Figure 5 is a schematic view showing the appearance of a sub-line of a conventional motor controller
  • Figure 6 is a circuit block diagram of the present invention.
  • Figure 7 is a circuit diagram corresponding to the sub-circuit board of the present invention.
  • an electronically commutated motor interface signal conversion sub-circuit board is used for mating the female controller of the motor controller.
  • the circuit board matches the user terminal control system interface signal, including an interface unit circuit integrated on the sub-circuit board, the interface unit circuit includes an RS485 interface circuit, and the RS485 interface circuit and the motor controller are on the mother circuit board
  • the processor unit is connected, and the client control system communicates with the microprocessor unit on the motor board of the motor controller through the RS485 interface circuit.
  • the above sub-board is connected with the user terminal control system to set four ports, which are: the user terminal power port +5V-485, which supplies power to the RS485 interface circuit; the user terminal ground port GND-485, which is the common ground terminal of the RS485 interface circuit; User-side non-inverting input/output port D+/A: It is the in-phase signal output or input; User-side inverting input/output port D_ /B: is the inverted signal output or input.
  • the above-mentioned connection between the sub-circuit board and the mother circuit board is provided with five ports, which are: motherboard power port +5V: power supply for RS485 interface circuit; motherboard ground port GND: common ground terminal of RS485 interface circuit ; Identification port BSEL: Provides the daughter board type identification signal to the mother board; Communication transmitter TXD: Receives the control signal of the mother board to control the communication; Communication receiver RXD: realizes the mutual transmission of data.
  • the interface unit circuit described above further includes an identification circuit, the output end of the identification circuit is connected to the input end of the microprocessor unit MCU on the motherboard, and the identification circuit includes a first resistor R611
  • the second resistor R612 is connected in series, and the two ends are respectively connected to the power source and the ground, and the first resistor R611 and the second resistor R612 are outputted with the daughter board type identification signal BSEL.
  • RS485 interface circuit includes main chip IC601; optocoupler U601, U602; resistors R601, R602, R603, R604, R605, R606, R607, R608, R609, R610, R61 R612, R613; voltage regulator ZD601, ZD602, ZD603; Q601;
  • the connection relationship of each part is shown in Figure 7.
  • the RE, DE pin of the main chip IC601 is connected with the TXD signal of the communication transmitting end, which can effectively realize the RS485 interface circuit communication.
  • the true values of the AB pin, the R0 pin, and the communication receiving end RXD of the main chip IC601 are listed.

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

Abstract

一种电子换向电机接口信号转换子线路板，用于插接在电机控制器的母线路板上匹配用户端控制系统接口信号，包括集成在子线路板上的接口单元电路，接口单元电路包括RS485接口电路，RS485接口电路与电机控制器母线路板上的微处理器单元连接，用户端控制系统通过RS485接口电路与电机控制器母线路板上的微处理器单元进行通信，设置子板微处理器，减少母板微处理器单元的资源的耗损，提高运算速度。电子换向电机接口信号转换子线路板减少了接口信号的数目和类型，简化了电路结构，降低了成本，且全部采用低压数字信号通信，进一步简化了接口电路。

Description

一种电子换向电机接口信号转换子线路板
技术领域 ：
本实用新型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， 电机控制器除了需要与电机实体匹配外，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 是用户端的控制系統， 两个系统的控制信号完全不一样。 传统的做法是针对每 一种用户端控制系统就开发一种电机及电机控制器，这祥一来产生如下问题： 1 ) 电机厂家生产的电机型号非常多， 不便于管理和标准化； 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 应用范围非常率， 不便于大范围推广应用。
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 利用其中一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， 由微处理器单元 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， 提高效率。
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 )接口信号存在较多的通路， 导致电路结构 复杂， 成本高； 2 ) 接口信号存在高压信号控制， 子线路板与母线路板之间需要 采用多路电气隔离， 电路复杂， 成本高； 3 )接口信号类型多， 间接导致电路结 发明内容 ：
本实用新型的目的是提供一种电子换向电机接口信号转换子线路板， 它减 少接口信号的数目和类型， 简化电路结构复杂， 降低成本， 旦全部釆用低压数
Figure imgf000004_0001
本实用新型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， 用于插接在电机控制器的母线 路板上匹配用户端控制系统接口信号， 包括集成在子线路板上的接口单元电路, 所述的接口单元电路包括 RS485接口电路。
上述所述的 RS485接口电路与电机控制器母线路板上的微处理器单元连接, 用户端控制系统通过 RS485接口电路与电机控制器母线路板上的微处理器单元 进行通信。
上述所述的子线路板与用户端控制系统连接设置 4路端口， 分别为： 用户 端电源端口， 为 RS485接口电路供电； 用户端接地端口， 为 RS485接口电路公 共的接地端； 用户端同相输入输出端口： 为同相信号输出或者输入； 用户端反 相输入输出端口： 为反相信号输出或者输入。
上述所述的接口单元电路还包括身份识别电路， 身份识别电路的输出端连 接母线路板上的微处理器单元的输入端。
上述所述的子线路板与母线路板之间的连接设置 5路端口， 分别为： 母板 电源端口： 为 RS485接口电路供电； 母板接地端口： 为 RS485接口电路公共的 接地端； 身份识别端口： 向母线路板提供子板类型识别信号； 通信发射端： 接 收母线路板的控制信号用来控制通信； 通信接收端： 实现数据的相互传送。
上述所述的身份识别电路包括第一电阻和第二电阻串联而成，两端分别接电 源和地， 第一电阻和第二电阻中间输出子板类型识别信号。
本实用新型与现有技术相比具有如下优点： 1 )接口信号转换子线路板， 用 于插接在电机控制器的母线路板上匹配用户端控制系统接口信号， 包括集成在 子线路板上的接口单元电路， 所述的接口单元电路包括 RS485接口电路， 减少 接口信号的数目和类型， 简化电路结构， 降低成本 且全部采用低压数字信号 通信、 进一步简化接口电路； 2 )子线路板与用户端控制系统连接设置 4路端口， 分别为： 用户端电源端口， 用户端接地端口， 用户端同相输入输出端口，用户 端反相输入输出端口， 与原有子线路板的接口端口数目减少 1/2。 3 )子线路板 与母线路板之间的连接设置 5路端口， 分别为： 母板电源端口： 为 RS485接口 电路供电； 母板接地端口： 为 RS485接口电路公共的接地端； 身份识别端口： 向母线路板提供子板类型识别信号； 通信发射端： 接收母线路板的控制信号用 来控制通信； 通信接收端： 实现数据的相互传送;大大减少连接端口的数目， 简 化电路结构。 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板的原理示意图；
图 4是传统电机控制器的母线路板的外观示意图；
图 5是传统电机控制器的子线路极的外观示意图；
图 6是本实用新型的电路方框图；
图 7是本实用新型的子线路板对应的电路图。
具体实施方式：
下面通过具体实施例并结合附图对本实用新型作进一步详细的描述： 如图 6、 图 7所示， 一种电子换向电机接口信号转换子线路板， 用于插接在 电机控制器的母线路板上匹配用户端控制系统接口信号， 包括集成在子线路板 上的接口单元电路， 所述的接口单元电路包括 RS485接口电路， 所述的 RS485 接口电路与电机控制器母线路板上的微处理器单元连接， 用户端控制系统通过 RS485接口电路与电机控制器母线路板上的微处理器单元进行通信。
上述子线路板与用户端控制系统连接设置 4路端口， 分别为： 用户端电源 端口 +5V-485 , 为 RS485接口电路供电； 用户端接地端口 GND-485 , 为 RS485接 口电路公共的接地端； 用户端同相输入输出端口 D+/A: 为同相信号输出或者输 入； 用户端反相输入输出端口 D— /B: 为反相信号输出或者输入。
上述所述的子线路板与母线路板之间的连接设置 5路端口， 分别为： 母板 电源端口 +5V: 为 RS485接口电路供电； 母板接地端口 GND: 为 RS485接口电路 公共的接地端； 身份识别端口 BSEL: 向母线路板提供子板类型识别信号； 通信 发射端 TXD: 接收母线路板的控制信号用来控制通信； 通信接收端 RXD: 实现数 据的相互传送。
上述所述的接口单元电路还包括身份识别电路， 身份识别电路的输出端连 接母线路板上的微处理器单元 MCU的输入端， 身份识别电路包括第一电阻 R611 和第二电阻 R612串联而成， 两端分别接电源和地， 第一电阻 R611和第二电阻 R612中间输出子板类型识别信号 BSEL。
RS485接口电路包括主芯片 IC601 ; 光耦 U601、 U602; 电阻 R601、 R602、 R603、 R604、 R605、 R606、 R607、 R608、 R609、 R610、 R61 R612、 R613; 稳 压器 ZD601、 ZD602、 ZD603; 三极管 Q601 ; 其各零件的连接关系见图 7所示， 主芯片 IC601的 RE, DE的管脚与通信发射端 TXD信号联系起来， 可以有效的实 现 RS485接口电路通信， 具体见如下逻辑表， 表中将主芯片 IC601 的 A-B脚、 R0脚以及通信接收端 RXD的真值都罗列出来。
Figure imgf000007_0001
上述实施例为本实用新型的较佳实施方式，但本实用新型的实施方式不限于 此， 其他任何未背离本实用新型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， 都包含在本实用新型的保护范围之内。

Claims

权利要求
1、 一种电子换向电机接口信号转换子线路板， 用于插接在电机控制器的母 线路板上匹配用户端控制系统接口信号， 包括集成在子线路板上的接口单元电 路， 其特征在于： 所述的接口单元电路包括 RS485接口电路。
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： 所述的 RS485接口电路与电机控制器母线路板上的微处理器单元连接， 用户端控制系统通过 RS485接口电路与电机控制器母线路板上的微处理器单元 进行通信。
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： 该子线路板与用户端控制系统连接设置 4路端口， 分别为：
用户端电源端口， 为 RS485接口电路供电；
用户端接地端口， 为 RS485接口电路公共的接地端；
用户端同相输入输出端口： 为同相信号输出或者输入；
用户端反相输入输出端口： 为反相信号输出或者输入。
4、 根据权利要求 3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： 接口单元电路还包括身份识别电路， 身份识别电路的输出端连接母线 路板上的微处理器单元的输入端。
5、 根据权利要求 4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： 该子线路板与母线路板之间的连接设置 5路端口， 分别为：
母板电源端口： 为 RS485接口电路供电；
母板接地端口： 为 RS485接口电路公共的接地端；
身份识别端口： 向母线路板提供子板类型识别信号；
通信发射端： 接收母线路板的控制信号用来控制通信；
通信接收端： 实现数据的相互传送。
6、 根据权利要求 3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： 身份识别电路包括第一电阻 611 ) 和第二电阻（R612 ) 串联而成， 两端分别接电源和地， 第一电阻（R611 ) 和第二电阻 612) 中间输出子板 型识别信号 （BSEL)。
PCT/CN2013/085747 2013-01-31 2013-10-23 一种电子换向电机接口信号转换子线路板 Ceased WO2014117545A1 (zh)

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