WO2017166731A1 - 一种应用于ecm电机的信号转换器 - Google Patents

一种应用于ecm电机的信号转换器 Download PDF

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Publication number
WO2017166731A1
WO2017166731A1 PCT/CN2016/098488 CN2016098488W WO2017166731A1 WO 2017166731 A1 WO2017166731 A1 WO 2017166731A1 CN 2016098488 W CN2016098488 W CN 2016098488W WO 2017166731 A1 WO2017166731 A1 WO 2017166731A1
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Prior art keywords
signal
input
microprocessor
output
ecm motor
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English (en)
French (fr)
Inventor
胡戈
边文清
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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 WO2017166731A1 publication Critical patent/WO2017166731A1/zh
Priority to US16/145,423 priority Critical patent/US11133764B2/en
Anticipated expiration legal-status Critical
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    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K7/00—Modulating pulses with a continuously-variable modulating signal
    • H03K7/08—Duration or width modulation ; Duty cycle modulation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D5/00—Power-assisted or power-driven steering
    • B62D5/04—Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear
    • B62D5/0457—Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear characterised by control features of the drive means as such
    • B62D5/046—Controlling the motor
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
    • H02J7/865—Battery or charger load switching, e.g. concurrent charging and load supply
    • 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
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12—Analogue/digital converters
    • H03M1/18—Automatic control for modifying the range of signals the converter can handle, e.g. gain ranging
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/2803—Home automation networks
    • H04L12/283—Processing of data at an internetworking point of a home automation network
    • H04L12/2836—Protocol conversion between an external network and a home network

Definitions

  • the utility model relates to a signal converter applied to an ECM motor, belonging to the technical field of motors.
  • DC motors have gradually replaced AC motors.
  • DC motors have motor controllers, which use motor controllers to achieve the purpose of electronic commutation of currents. Therefore, there is also an ECM motor (electronically commutated motor) in the industry.
  • ECM motor electroly commutated motor
  • Brushless DC motor BLDC MOTOR
  • BLDC MOTOR which has the characteristics of high energy saving, high reliability and controllability, low noise, easy to realize intelligence, etc., can solve the shortage of single-phase AC motor, therefore, the existing air conditioner inside The single-phase AC motor is gradually replaced by a DC brushless motor or an ECM motor.
  • a general ECM motor (ie, an electronically commutated drive motor) includes an ECM motor body 1 and an ECM motor controller 2, as shown in FIGS. 2, 3, and 4,
  • the ECM motor body 1 includes a housing 11, a stator assembly 12, and a rotor.
  • the assembly 13, the ECM motor controller 2 includes a control box 22 and a control circuit board 21 mounted inside the control box 22.
  • the control box 22 is typically mounted at the rear of the housing 11.
  • the control circuit board 21 is usually provided with a motor power supply circuit, a motor microprocessor MCU, an IGBT inverter circuit, a motor operation parameter detecting unit, an interface signal processing circuit, and the like.
  • the electrical equipment sends a control command to the motor microprocessor MCU through the interface signal processing circuit, and the motor microprocessor MCU controls the motor operation according to the control instruction of the electrical equipment.
  • the ECM motor controller needs to match the control interface of the specific electrical equipment that applies the motor, ie the customer control system, because different customer control systems match different control signals, such as air conditioning control systems.
  • the washing machine control system is the user's control system, and the control signals of the two systems are completely different.
  • the traditional approach is to develop an ECM motor and ECM motor controller for each kind of user-side control system.
  • the purpose of the utility model is to provide a signal converter applied to an ECM motor, which facilitates the ECM motor to adapt to the control signals of different electrical equipment or different control signals of the same electrical equipment, expand the application range, and reduce the time and cost of redevelopment. Easy to manage and promote applications.
  • a signal converter for an ECM motor the signal converter being connected between an electrical device and an ECM motor, the signal converter converting a control signal output by the electrical device into an input signal recognizable by the ECM motor
  • the signal converter comprises a power circuit, a microprocessor, a multi-channel input signal interface circuit, a first multi-path selection switch and an output signal interface circuit, the power circuit supplies power to each part of the circuit, and the multi-channel input signal interface circuit is arranged side by side, and is configured by A multi-channel selection switch selects one of the input signal interface circuits to operate, the input end of the input signal interface circuit is connected to the corresponding type of input signal, the output end is connected to the microprocessor, and the output end of the microprocessor outputs the signal through the output signal interface circuit.
  • the microprocessor controls the first multiplexer.
  • the microprocessor is connected to the Bluetooth module, and the external mobile device programs the microprocessor through the Bluetooth module, and the external mobile device sends the corresponding command to the microprocessor through the Bluetooth module, and the microprocessor controls the first multi-channel according to the corresponding instruction. Select the switch to select one of the input signal interface circuits to work.
  • the microprocessor is connected with a serial communication circuit, and the external device sends a corresponding instruction to the microprocessor through the serial communication circuit, and the microprocessor controls the first multiple selection switch to select one of the input signal interface circuits according to the corresponding instruction. .
  • the signal converter is provided with a code wheel switch or a button, and the corresponding command is sent to the microprocessor through the code wheel switch or the button, and the microprocessor controls the first multi-way selection switch to select one of the input signal interface circuits according to the corresponding instruction. jobs.
  • the above signal converter is provided with an input signal status indicator, a power status indicator, and an output signal. Number status indicator.
  • the input signal includes a 0-10 VDC signal, a PWM signal, a 4 mA-20 mA signal, a serial communication signal, a line voltage gear position signal, and a 24 V temperature control gear position signal, wherein the serial communication signals are corresponding to a specific communication protocol.
  • the signal converter can support a plurality of serial communication signal inputs with different communication protocols.
  • the power supply circuit comprises a multi-channel power input interface circuit and a second multi-path selection switch, and the multi-channel power input interface circuits are arranged side by side, the input ends of the respective power input interface circuits are connected to corresponding types of input power sources, and the output ends of the respective power input interface circuits are connected.
  • the second multi-path selection switch selection one of the power supply input interface circuits is selected by the second multi-way selection switch, and the second multi-way selection switch is controlled by the microprocessor.
  • the corresponding types of input power sources include a +5 VDC USB power supply, a +12 VDC to +24 VDC input power supply, and a dry battery pack DC power supply.
  • the number of the output signal interface circuits is multi-channel, and the multi-output signal interface circuit corresponds to a plurality of different output signals, and the multi-output signal interface circuits are arranged side by side and the third multi-way selection switch selects one of the output signal interface circuits to work, and outputs The output of the signal interface circuit outputs a corresponding type of output signal, and the third multi-way selection switch is controlled by the microprocessor.
  • the above output signals include a 0-10 VDC signal, a PWM signal, a 4 mA-20 mA signal, a line voltage gear position signal, and a 24 V temperature control gear position signal.
  • the above power supply circuit can output a +24 VDC or +12 VDC power supply for powering the user system controller or the potentiometer.
  • the signal converter can facilitate the ECM motor to adapt to the control signals of different electrical equipment or different control signals of the same electrical equipment, expand the application range, reduce the time and cost of redevelopment, and facilitate management and popularization applications;
  • the first multi-way selection switch can be conveniently controlled to select one of the input signal interface circuits to operate, and the structure is simple, convenient, flexible, safe and reliable;
  • the signal converter is provided with input signal status indicator, power status indicator and output signal status indicator. It is convenient and intuitive to observe whether the input signal, power supply or output signal is selected correctly and whether wiring needs to be checked. Whether it is correct, its structure is simple, easy to use and reliable;
  • the corresponding type of input power supply includes +5VDC USB power supply, +12VDC to +24VDC input power supply and dry battery pack DC power supply, which can meet different input power sources, which can expand the scope of use, reduce the time and cost of redevelopment, and facilitate management and Promote application;
  • the number of output signal interface circuits is multi-channel, and the multi-output signal interface circuit corresponds to a variety of different output signals, so that it can meet the application requirements of different ECM motors, expand the application range, reduce the time and cost of redevelopment, and facilitate Manage and promote applications.
  • FIG. 1 is a schematic diagram of the principle of a conventional electrical equipment and an ECM motor
  • FIG. 2 is a perspective view of a conventional ECM motor
  • FIG. 3 is a schematic structural view of a conventional ECM motor entity
  • FIG. 4 is a schematic structural view of a conventional ECM motor controller
  • Figure 5 is a schematic diagram showing the overall structure of a signal converter in the embodiment
  • Figure 6 is a circuit schematic diagram of a signal converter in the embodiment
  • FIG. 7 is a specific circuit diagram of a multi-channel input signal interface circuit and a microprocessor in the embodiment
  • FIG. 8 is a specific circuit diagram of a microprocessor and an output signal interface circuit in the embodiment
  • Figure 9 is a perspective view of a signal converter in the embodiment.
  • Fig. 10 is a schematic diagram showing the principle of a specific application example of the signal converter in the embodiment.
  • Embodiment 1 As shown in FIG. 5 to FIG. 9, this embodiment is a signal converter applied to an ECM motor, and the signal converter is connected between an electrical device (such as an HVAC system controller) and an ECM motor.
  • the signal converter converts the control signal output by the electrical device into an input signal that the ECM motor can recognize.
  • the signal converter comprises a power circuit, a microprocessor, a multi-channel input signal interface circuit, a first multi-path selection switch and an output signal interface circuit, the power circuit supplies power to each part of the circuit, and the multi-channel input signal interface circuit is arranged side by side.
  • the input end of the input signal interface circuit is connected to the corresponding type of input signal, the output end is connected to the microprocessor, and the output end of the microprocessor passes the output signal
  • the interface circuit outputs a signal, and the microprocessor controls the first multiplexer.
  • the microprocessor is connected with a Bluetooth module, and the external mobile device 100 programs the microprocessor through the Bluetooth module, and the external mobile device 100 sends the corresponding command to the microprocessor through the Bluetooth module, and the microprocessor controls the first instruction according to the corresponding instruction.
  • a multi-channel selector switch selects one of the input signal interface circuits to operate.
  • the microprocessor is connected with a serial communication circuit, and the external device 200 sends a corresponding instruction to the microprocessor through the serial communication circuit, and the microprocessor controls the first multiple selection switch to select one of the input signal interfaces according to the corresponding instruction.
  • the circuit works.
  • the signal converter is provided with a code wheel switch or a button, and sends a corresponding command to the microprocessor through a code wheel switch or a button, and the microprocessor controls the first multi-way selection switch to select one of the input signals according to the corresponding instruction.
  • the interface circuit works.
  • the signal converter includes a casing 1 and a circuit board located inside the casing 1.
  • the circuits are all disposed on the circuit board, and an input signal status indicator 21, a power status indicator 22, and an output signal status indicator are disposed on the casing 1. twenty three.
  • the indicator light is always on, indicating that the selection is correct, and the normal flashing indicates that the selection is incorrect, prompting the user to check whether the wiring is correct.
  • the external mobile device 100 can be utilized.
  • the programming input software on the smart phone can select the signal input type, the power input type, and the signal output type respectively, and the smart phone sends the corresponding instruction to the Bluetooth module.
  • the Bluetooth module After receiving the command, the Bluetooth module receives the command.
  • the microprocessor MCU controls the corresponding multi-way selection switch to select the corresponding signal type, power input type and signal output type, and wait for the status indicator to be always on to start signal conversion.
  • the external device 200 may be a PC, and the programming software on the PC selects the input signal type, the power input type, and the signal output type, respectively, and the PC sends the corresponding command to the serial communication circuit, and the serial communication circuit receives Immediately after the instruction is forwarded to the microprocessor MCU, the microprocessor MCU controls the corresponding multi-way selection switch to select the corresponding signal input type, power input type and signal output type. Wait for the status indicator to be on and the signal conversion can be started.
  • a plurality of code wheel switches 24 are disposed on the outer casing 1, and the signal input type, or the power input type, or the signal output type is selected by the code wheel switch 24, that is, the user dials the code wheel switch 24, and the code wheel switch 24
  • the corresponding instruction is sent to the microprocessor MCU, and the microprocessor MCU controls the corresponding multi-path selection switch to select the corresponding signal input type, power input type and signal output type, and wait for the status indicator to be always on to start signal conversion.
  • buttons may be disposed on the outer casing 1, and the button functions in accordance with the code wheel switch function, and is used for selecting a signal input type, or a power input type, or a signal output type, and the button is no longer used here. Make a statement to save space.
  • the input signal includes a 0-10 VDC signal, a PWM signal, a 4 mA-20 mA signal, a serial communication signal, a line voltage gear position signal, and a 24 V temperature control gear position signal.
  • the multiple input signal interface circuit comprises a voltage dividing, filtering, protection module for inputting a 0-10 VDC signal, a PWM signal processing module for inputting a PWM signal, and a 4 mA for inputting a 4 mA-20 mA signal.
  • the temperature control gear signal processing module the above input signal interface circuit belongs to the prior art, and is described in detail in many patent documents or in actual use of the motor, and the disclosure is not repeated here, so as to save space.
  • the serial communication signals are all corresponding to a specific communication protocol, and the signal converter can support a plurality of serial communication signal inputs with different communication protocols.
  • the signal converter supports a variety of input communication protocols 1, 2, 3, etc., such as ClimateTalk, customer-defined Modbus and so on. The choice of protocol can be selected via the mobile app or PC software or panel buttons.
  • the power circuit comprises a multi-channel power input interface circuit and a second multi-path selection switch, and the multi-channel power input interface circuits are arranged side by side, and the input ends of the respective power input interface circuits are connected to corresponding types of input power sources, and the output ends of the respective power input interface circuits are connected to
  • the second multi-path selection switch is selected, wherein one of the power input interface circuits is selected by the second multi-way selection switch, and the second multi-way selection switch is controlled by the microprocessor.
  • the corresponding types of input power sources include a +5 VDC USB power supply, a +12 VDC to +24 VDC input power supply, and a dry battery pack DC power supply.
  • each power input interface circuit is standard: +3.3VDC, +12VDC, etc., to provide a standard power supply for each circuit section.
  • Each power input interface circuit is simply a DC-DC conversion. The textbook has detailed examples and will not be described here.
  • the number of the output signal interface circuits is multiple, and the multi-output signal interface circuit corresponds to a plurality of different output signals, and the multi-output signal interface circuits are arranged side by side and the third multi-way selection switch selects one of the output signal interface circuits to work.
  • the output of the output signal interface circuit outputs a corresponding type of output signal, and the third multi-way selection switch is controlled by the microprocessor.
  • the output signal includes a 0-10 VDC signal, a PWM signal, a 4 mA-20 mA signal, a line voltage gear position signal, and a 24 V temperature control gear position signal.
  • the power circuit can output a +24VDC or +12VDC power supply to power the customer system controller or potentiometer.
  • the multiple output signal interface circuit comprises a 0-10 VDC voltage processing module for outputting a 0-10 VDC signal, a PWM signal processing module for outputting a PWM signal, and a 4 mA-20 mA signal for outputting a 4 mA-20 mA signal.
  • a processing module and a temperature control gear signal processing module for outputting a 24V temperature control gear signal, a gear signal processing module for outputting a line voltage gear signal, and an output power processing circuit for outputting a 24 or 12 VDC power source,
  • the output signal interface circuits are all prior art and are described in detail in many patent documents, and will not be described again here to save space.
  • this is a specific application example of the signal converter, and the corresponding instruction is sent to the Bluetooth module by using the programming software on the smart phone, and the Bluetooth module forwards the instruction to the microprocessor MCU immediately after receiving the instruction, and the micro processing
  • the MCU controls the first multi-path selection switch to select a voltage division, filtering, and protection module for inputting a 0-10 VDC signal from the electrical device, and the microprocessor MCU converts the 0-10 VDC signal into a PWM signal and controls the third multi-way selection switch.
  • the PWM signal processing module is selected to operate to output a PWM signal to the ECM motor.

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Abstract

一种应用于ECM电机的信号转换器，信号转换器连接于电器设备(如HVAC系统控制器)与ECM电机之间，信号转换器将电器设备输出的控制信号转换成ECM电机可以识别的输入信号，信号转换器包括电源电路、微处理器、多路输入信号接口电路、第一多路选择开关以及输出信号接口电路，多路输入信号接口电路并排设置，并由第一多路选择开关选择其中一路输入信号接口电路工作，输入信号接口电路的输入端连接相应种类的输入信号，输出端连接到微处理器，微处理器的输出端通过输出信号接口电路输出信号，其便于ECM电机适应不同电器设备的控制信号或者相同电器设备的不同控制信号，扩大应用范围，减少再开发的时间和费用，便于管理和推广应用。

Description

一种应用于ECM电机的信号转换器 技术领域：
本实用新型涉及一种应用于ECM电机的信号转换器，属于电机技术领域。
背景技术：
随着电机技术的发展，直流电机逐渐取代交流电机，直流电机带有电机控制器，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ECM电机(electronically commutated motor)或者叫直流无刷电机(BLDC MOTOR)，它具有节能环保、可靠性和可控性都比较高、噪音小、容易实现智能化等特点，可以解决单相交流电机的不足，因此，现有的空调里面的单相交流电机逐渐被直流无刷电机或者ECM电机所取替。
一般的ECM电机(即电子换向驱动电机)包括ECM电机实体1和ECM电机控制器2，如图2、图3、图4所示，ECM电机实体1包括壳体11、定子组件12和转子组件13，ECM电机控制器2包括控制盒22和安装在控制盒22里面的控制线路板21。控制盒22通常安装在壳体11的尾部。如图4所示，控制线路板21通常设置有电机电源电路、电机微处理器MCU、IGBT逆变电路、电机运行参数检测单元、接口信号处理电路等。电器设备通过接口信号处理电路向电机微处理器MCU发送控制指令，电机微处理器MCU根据电器设备的控制指令控制电机运行。
ECM电机控制器除了需要与电机实体匹配外，还需要与应用电机的具体电器设备--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样。传统的做法是针对每一种用户端控制系统就开发一种ECM电机及ECM电机控制器，即使同类电器设备的控制信号也差异较大，这样一来产生如下问题：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)电机应用范围非常窄，不便于大范围推广应用。
发明内容：
本实用新型的目的是提供一种应用于ECM电机的信号转换器，其便于ECM电机适应不同电器设备的控制信号或者相同电器设备的不同控制信号，扩大应用范围，减少再开发的时间和费用，便于管理和推广应用。
本实用新型的目的是通过下述技术方案予以实现的。
一种应用于ECM电机的信号转换器，所述的信号转换器连接于电器设备与ECM电机之间，信号转换器将电器设备输出的控制信号转换成ECM电机可以识别的输入信号，所述的信号转换器包括电源电路、微处理器、多路输入信号接口电路、第一多路选择开关以及输出信号接口电路，电源电路为各部分电路供电，多路输入信号接口电路并排设置，并由第一多路选择开关选择其中一路输入信号接口电路工作，输入信号接口电路的输入端连接相应种类的输入信号，输出端连接到微处理器，微处理器的输出端通过输出信号接口电路输出信号，微处理器控制第一多路选择开关。
上述微处理器连接有蓝牙模块，外部移动设备通过蓝牙模块对微处理器进行编程，外部移动设备将相应的指令通过蓝牙模块发送给微处理器，微处理器根据相应的指令控制第一多路选择开关选择其中一路输入信号接口电路工作。
上述微处理器连接有串行通信电路，外部设备通过串行通信电路将相应的指令发送给微处理器，微处理器根据相应的指令控制第一多路选择开关选择其中一路输入信号接口电路工作。
上述信号转换器上设置有码盘开关或者按钮，通过码盘开关或者按钮将相应的指令发送给微处理器，微处理器根据相应的指令控制第一多路选择开关选择其中一路输入信号接口电路工作。
上述信号转换器设置有输入信号状态指示灯、电源状态指示灯以及输出信 号状态指示灯。
上述输入信号包括0-10VDC信号、PWM信号、4mA-20mA信号、串行通讯信号、线电压档位信号以及24V温控档位信号，其中所述串行通讯信号均是对应具体的通讯协议的，所述的信号转换器能支持多种带不同通讯协议的串行通讯信号输入。
上述电源电路包括多路电源输入接口电路和第二多路选择开关，多路电源输入接口电路并排，各个电源输入接口电路的输入端连接相应种类的输入电源，各个电源输入接口电路的输出端连接到第二多路选择开关选择，由第二多路选择开关选择其中一路电源输入接口电路工作，第二多路选择开关由微处理器控制。
上述相应种类的输入电源包括+5VDC的USB电源、+12VDC到+24VDC输入电源和干电池组直流电源。
上述输出信号接口电路的数量为多路，多路输出信号接口电路对应多种不同的输出信号，多路输出信号接口电路并排且由第三多路选择开关选择其中一路输出信号接口电路工作，输出信号接口电路的输出端输出相应种类的输出信号，第三多路选择开关由微处理器控制。
上述输出信号包括0-10VDC信号、PWM信号、4mA-20mA信号、线电压档位信号以及24V温控档位信号。
上述电源电路可以输出+24VDC或者+12VDC电源用于给用户端系统控制器或者电位器供电。
本实用新型与现有技术相比，具有如下效果：
1)通过信号转换器可以方便ECM电机适应不同电器设备的控制信号或者相同电器设备的不同控制信号，扩大应用范围，减少再开发的时间和费用，便于管理和推广应用；
2)通过蓝牙模块以及串行通信电路可以方便控制第一多路选择开关选择其中一路输入信号接口电路工作，其结构简单，使用方便灵活、安全可靠；
3)信号转换器设置有输入信号状态指示灯、电源状态指示灯以及输出信号状态指示灯，通过不同的指示灯可以方便直观地观察输入信号、电源或者输出信号的选择是否正确、是否需要检查接线是否正确，其结构简单，使用方便、可靠；
4)相应种类的输入电源包括+5VDC的USB电源、+12VDC到+24VDC输入电源和干电池组直流电源，可以满足不同输入电源，进而可以扩大使用范围，减少再开发的时间和费用，便于管理和推广应用；
5)输出信号接口电路的数量为多路，多路输出信号接口电路对应多种不同的输出信号，使得其可以满足不同ECM电机的应用需求，扩大应用范围，减少再开发的时间和费用，便于管理和推广应用。
附图说明：
图1是现有电器设备与ECM电机的原理示意图；
图2是现有ECM电机的立体图；
图3是现有ECM电机实体的结构示意图；
图4是现有ECM电机控制器的结构示意图；
图5是实施例中信号转换器的总体结构示意图；
图6是实施例中信号转换器的电路原理图；
图7是实施例中多路输入信号接口电路与微处理器的具体电路图；
图8是实施例中微处理器与输出信号接口电路的具体电路图；
图9是实施例中信号转换器的立体示意图；
图10是实施例中信号转换器的一个具体应用实例的原理示意图。
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。
实施例一：如图5至图9所示，本实施例是一种应用于ECM电机的信号转换器，所述的信号转换器连接于电器设备(如HVAC系统控制器)与ECM电机之间，信号转换器将电器设备输出的控制信号转换成ECM电机可以识别的输入信 号，所述的信号转换器包括电源电路、微处理器、多路输入信号接口电路、第一多路选择开关以及输出信号接口电路，电源电路为各部分电路供电，多路输入信号接口电路并排设置，并由第一多路选择开关选择其中一路输入信号接口电路工作，输入信号接口电路的输入端连接相应种类的输入信号，输出端连接到微处理器，微处理器的输出端通过输出信号接口电路输出信号，微处理器控制第一多路选择开关。
所述微处理器连接有蓝牙模块，外部移动设备100通过蓝牙模块对微处理器进行编程，外部移动设备100将相应的指令通过蓝牙模块发送给微处理器，微处理器根据相应的指令控制第一多路选择开关选择其中一路输入信号接口电路工作。所述微处理器连接有串行通信电路，外部设备200通过串行通信电路将相应的指令发送给微处理器，微处理器根据相应的指令控制第一多路选择开关选择其中一路输入信号接口电路工作。所述的信号转换器上设置有码盘开关或者按钮，通过码盘开关或者按钮将相应的指令发送给微处理器，微处理器根据相应的指令控制第一多路选择开关选择其中一路输入信号接口电路工作。所述信号转换器包括外壳1以及位于外壳1里面的线路板，所述电路均设置在线路板上，在外壳1上设置输入信号状态指示灯21、电源状态指示灯22以及输出信号状态指示灯23。具体的，指示灯常亮表示选择正确，常闪表示选择错误，提示使用者需要检查接线是否正确。具体的，可以利用外部移动设备100，例如可以利用智能手机上的编程软件分别选择信号输入类型、电源输入类型、信号输出类型，智能手机将相应的指令发送给蓝牙模块，蓝牙模块收到指令后立即转发给微处理器MCU，微处理器MCU控制相应的多路选择开关选择相应的信号类型、电源输入类型和信号输出类型，等待状态指示灯常亮就可以开始信号的转换。又或者，外部设备200可以是PC机，利用PC机上的编程软件分别选择输入信号类型、电源输入类型、信号输出类型，PC机将相应的指令发送给串行通信电路，串行通信电路收到指令后立即转发给微处理器MCU，微处理器MCU控制相应的多路选择开关选择相应的信号输入类型、电源输入类型和信号输出类型， 等待状态指示灯常亮就可以开始信号的转换。优选的，在外壳1上设置多个码盘开关24，通过码盘开关24选择信号输入类型，或者电源输入类型，或者信号输出类型，即使用者通过拨动码盘开关24，码盘开关24将相应的指令发送给微处理器MCU，微处理器MCU控制相应的多路选择开关选择相应的信号输入类型、电源输入类型和信号输出类型，等待状态指示灯常亮就可以开始信号的转换。或者，可在外壳1上设置多个按钮，所述按钮作用与所述码盘开关作用一致，均是用于选择信号输入类型，或者电源输入类型，或者信号输出类型，在此不再对按钮进行赘述，以节省篇幅。
所述输入信号包括0-10VDC信号、PWM信号、4mA-20mA信号、串行通讯信号、线电压档位信号以及24V温控档位信号。优选的，所述的多路输入信号接口电路包括用于输入0-10VDC信号的分压、滤波、保护模块和用于输入PWM信号的PWM信号处理模块和用于输入4mA-20mA信号的4mA-20mA信号处理模块和用于输入串行通讯信号的四线串口转单线串口以及单线串口信号处理模块和用于输入线电压档位信号的档位信号处理模块和用于输入24V温控档位信号的温控档位信号处理模块，上述输入信号接口电路均属于现有技术，在许多专利文献中或者实际的使用的电机中均有详细记载或者使用披露，在此不再进行赘述，以节省篇幅。其中所述串行通讯信号均是对应具体的通讯协议的，所述的信号转换器能支持多种带不同通讯协议的串行通讯信号输入。该信号转换器支持多种输入端的通讯协议1，2，3等，如ClimateTalk，客户自定义的Modbus等。协议的选择可通过手机App或PC软件或面板按钮来选择。
电源电路包括多路电源输入接口电路和第二多路选择开关，多路电源输入接口电路并排，各个电源输入接口电路的输入端连接相应种类的输入电源，各个电源输入接口电路的输出端连接到第二多路选择开关选择，由第二多路选择开关选择其中一路电源输入接口电路工作，第二多路选择开关由微处理器控制。所述的相应种类的输入电源包括+5VDC的USB电源、+12VDC到+24VDC输入电源和干电池组直流电源。各个电源输入接口电路的输出的电压是标准的：如 +3.3VDC、+12VDC等等，以便为各电路部分提供标准的电源供应。各个电源输入接口电路只是作简单的DC-DC转换，教科书有详细的例子，在此不再描述。
所述输出信号接口电路的数量为多路，多路输出信号接口电路对应多种不同的输出信号，多路输出信号接口电路并排且由第三多路选择开关选择其中一路输出信号接口电路工作，输出信号接口电路的输出端输出相应种类的输出信号，第三多路选择开关由微处理器控制。所述输出信号包括0-10VDC信号、PWM信号、4mA-20mA信号、线电压档位信号以及24V温控档位信号。电源电路可以输出+24VDC或者+12VDC电源用于给用户端系统控制器或电位器供电。优选的，所述多路输出信号接口电路包括用于输出0-10VDC信号的0-10VDC电压处理模块和用于输出PWM信号的PWM信号处理模块和用于输出4mA-20mA信号的4mA-20mA信号处理模块和用于输出24V温控档位信号的温控档位信号处理模块和用于输出线电压档位信号的档位信号处理模块和用于输出24或12VDC电源的输出电源处理电路，上述输出信号接口电路均属于现有技术，在许多专利文献中均有详细记载，在此不再进行赘述，以节省篇幅。
如图10所示，这是本信号转换器的一个具体应用实例，利用智能手机上的编程软件将相应的指令发送给蓝牙模块，蓝牙模块收到指令后立即转发给微处理器MCU，微处理器MCU控制第一多路选择开关选择分压、滤波、保护模块工作用于从电器设备输入0-10VDC信号，微处理器MCU将0-10VDC信号转换为PWM信号并且控制第三多路选择开关选择PWM信号处理模块工作用于输出PWM信号给ECM电机。
以上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 (11)

  1. 一种应用于ECM电机的信号转换器，所述的信号转换器连接于电器设备与ECM电机之间，信号转换器将电器设备输出的控制信号转换成ECM电机可以识别的输入信号，其特征在于：所述的信号转换器包括电源电路、微处理器、多路输入信号接口电路、第一多路选择开关以及输出信号接口电路，电源电路为各部分电路供电，多路输入信号接口电路并排设置，并由第一多路选择开关选择其中一路输入信号接口电路工作，输入信号接口电路的输入端连接相应种类的输入信号，输出端连接到微处理器，微处理器的输出端通过输出信号接口电路输出信号，微处理器控制第一多路选择开关。
  2. 根据权利要求1所述的一种应用于ECM电机的信号转换器，其特征在于：所述微处理器连接有蓝牙模块，外部移动设备通过蓝牙模块对微处理器进行编程，外部移动设备将相应的指令通过蓝牙模块发送给微处理器，微处理器根据相应的指令控制第一多路选择开关选择其中一路输入信号接口电路工作。
  3. 根据权利要求1所述的一种应用于ECM电机的信号转换器，其特征在于：所述微处理器连接有串行通信电路，外部设备通过串行通信电路将相应的指令发送给微处理器，微处理器根据相应的指令控制第一多路选择开关选择其中一路输入信号接口电路工作。
  4. 根据权利要求1所述的一种应用于ECM电机的信号转换器，其特征在于：所述的信号转换器上设置有码盘开关或者按钮，通过码盘开关或者按钮将相应的指令发送给微处理器，微处理器根据相应的指令控制第一多路选择开关选择其中一路输入信号接口电路工作。
  5. 根据权利要求1或2或3或4所述的一种应用于ECM电机的信号转换器，其特征在于：所述信号转换器设置有输入信号状态指示灯、电源状态指示灯以及输出信号状态指示灯。
  6. 根据权利要求1或2或3或4所述的一种应用于ECM电机的信号转换器，其特征在于：所述输入信号包括0-10VDC信号、PWM信号、4mA-20mA信号、串 行通讯信号、线电压档位信号以及24V温控档位信号，其中所述串行通讯信号均是对应具体的通讯协议的，所述的信号转换器能支持多种带不同通讯协议的串行通讯信号输入。
  7. 根据权利要求1或2或3或4所述的一种应用于ECM电机的信号转换器，其特征在于：所述电源电路包括多路电源输入接口电路和第二多路选择开关，多路电源输入接口电路并排，各个电源输入接口电路的输入端连接相应种类的输入电源，各个电源输入接口电路的输出端连接到第二多路选择开关选择，由第二多路选择开关选择其中一路电源输入接口电路工作，第二多路选择开关由微处理器控制。
  8. 根据权利要求7所述的一种应用于ECM电机的信号转换器，其特征在于：所述的相应种类的输入电源包括+5VDC的USB电源、+12VDC到+24VDC输入电源和干电池组直流电源。
  9. 根据权利要求1或2或3或4所述的一种应用于ECM电机的信号转换器，其特征在于：所述输出信号接口电路的数量为多路，多路输出信号接口电路对应多种不同的输出信号，多路输出信号接口电路并排且由第三多路选择开关选择其中一路输出信号接口电路工作，输出信号接口电路的输出端输出相应种类的输出信号，第三多路选择开关由微处理器控制。
  10. 根据权利要求9所述的一种应用于ECM电机的信号转换器，其特征在于：所述输出信号包括0-10VDC信号、PWM信号、4mA-20mA信号、线电压档位信号以及24V温控档位信号。
  11. 根据权利要求9所述的一种应用于ECM电机的信号转换器，其特征在于：所述电源电路可以输出+24VDC或者+12VDC电源用于给用户端系统控制器或者电位器供电。
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