WO2021223348A1 - 兼容多种通用接口的ecm电机、暖通空调hvac系统及信号转换方法 - Google Patents

兼容多种通用接口的ecm电机、暖通空调hvac系统及信号转换方法 Download PDF

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Publication number
WO2021223348A1
WO2021223348A1 PCT/CN2020/112387 CN2020112387W WO2021223348A1 WO 2021223348 A1 WO2021223348 A1 WO 2021223348A1 CN 2020112387 W CN2020112387 W CN 2020112387W WO 2021223348 A1 WO2021223348 A1 WO 2021223348A1
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Prior art keywords
motor
hvac system
interface module
connection
ecm
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PCT/CN2020/112387
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English (en)
French (fr)
Inventor
边文清
薛爵志
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中山大洋电机股份有限公司
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Priority claimed from CN202010383705.1A external-priority patent/CN111431352A/zh
Priority claimed from CN202020745319.8U external-priority patent/CN212163088U/zh
Application filed by 中山大洋电机股份有限公司 filed Critical 中山大洋电机股份有限公司
Priority to US17/126,013 priority Critical patent/US11536484B2/en
Publication of WO2021223348A1 publication Critical patent/WO2021223348A1/zh

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/88Electrical aspects, e.g. circuits
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/70Control systems characterised by their outputs; Constructional details thereof
    • F24F11/72Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/89Arrangement or mounting of control or safety devices
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K11/00Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/30Structural association with control circuits or drive circuits
    • H02K11/33Drive circuits, e.g. power electronics
    • 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
    • H02P6/14Electronic commutators
    • H02P6/16Circuit arrangements for detecting position

Definitions

  • the invention relates to an ECM motor compatible with multiple universal interfaces, in particular to an ECM motor with a universal interface suitable for compatibility with multiple communication modes and a heating, ventilation and air conditioning HVAC system and a signal conversion method thereof.
  • An object of the present invention is to provide ECM motors, HVAC systems and signal conversion methods compatible with multiple universal interfaces, in particular to provide an ECM motor and HVAC HVAC with universal interfaces that are compatible with multiple communication modes
  • the system solves the technical problems of a one-to-one correspondence between the main control board and the motor interface of the HVAC system on the after-sales market.
  • the technical problems are poor compatibility and inconvenient maintenance.
  • the structure is simple, the integration is high, and the installation is convenient. The cost is lower.
  • An ECM motor compatible with multiple common interfaces including:
  • a motor body including a motor housing, a stator assembly and a rotor assembly
  • a motor controller which can be connected with the HVAC system, receives instructions from the HVAC system and controls the operation of the motor body.
  • the motor controller includes a control circuit board, which includes a power supply part, a microprocessor, and an IGBT inverter Circuit and a variety of general interface modules, the power supply part supplies power for each part of the circuit, the microprocessor controls the operation of the IGBT inverter circuit, and the output end of the IGBT inverter circuit is connected with the coil winding of the stator assembly;
  • multiple universal interface modules refer to at least two of the multi-pin communication interface module, the multi-line communication interface module, the multi-position control interface module or the PWM signal communication interface module, according to the connected HVAC system
  • one of the universal interface modules can be selected from a variety of universal interface modules to establish a communication mode connection between the microprocessor and the HVAC system.
  • the aforementioned multi-pin communication interface module includes a 5-pin communication interface module or a 16-pin communication interface module.
  • the above-mentioned multi-wire communication interface module refers to a 4-wire communication interface module.
  • the aforementioned multiple universal interface modules also include a Bluetooth communication module.
  • the microprocessor uses the Bluetooth communication module to establish connection and communication with the HVAC system.
  • the above-mentioned multi-gear control interface module is based on the 5-gear or 6-gear which is issued by the HVAC system of various control commands.
  • the above-mentioned ECM motor also includes a multi-position terminal block connected with a variety of universal interface modules.
  • the above-mentioned multiple universal interface modules are connected to the multi-position wiring terminal row through a plurality of second connecting wires.
  • the above-mentioned motor controller also includes a control box, one side of the control box is installed and connected to the motor shell, and the other side of the control box is installed with a junction box, and the multi-position wiring terminal row is located inside the junction box.
  • the above-mentioned multi-position wiring terminal row is divided into multiple groups of wiring terminals.
  • Each group of wiring terminals can be connected to one of the universal interface modules through several second connecting wires, but only one group of wiring terminals can establish communication with a selected type of universal interface module. Connected, and the number of digits of each group of connecting terminals and the number of corresponding second connecting lines are the same as the number of signals of the universal interface module.
  • the above-mentioned multi-position terminal block includes a first connecting part and a second connecting part.
  • the first connecting part is connected to the HVAC system through a plurality of first connecting wires
  • the second connecting part is connected to The motor controller is connected
  • the first connection part is provided with a plurality of first connection sockets
  • the second connection part is correspondingly provided with a plurality of second connection sockets
  • a plurality of first connection wires are inserted into the plurality of first connection sockets.
  • the second connecting wire is inserted into a number of second connecting seats.
  • An HVAC system for heating, ventilation and air conditioning comprising a HVAC system control main board and an ECM motor, characterized in that: the ECM motor is the aforementioned ECM motor compatible with multiple universal interfaces, so as to control the main board itself according to the HVAC system Signal interface type Choose one of the multiple universal interface modules in the ECM motor to establish a communication mode connection between the microprocessor and the HVAC system.
  • the aforementioned ECM motor compatible with multiple universal interfaces also includes a multi-position terminal block connected with a variety of universal interface modules, and the multiple universal interface modules are connected to the multi-position terminal block through a plurality of second connecting wires,
  • the HVAC system control main board is connected with the multi-position terminal block of the ECM motor through a plurality of first connecting wires.
  • a signal conversion method between an HVAC HVAC system and an ECM motor including the HVAC HVAC system and an ECM motor compatible with multiple universal interfaces.
  • the ECM motor includes multiple terminal blocks connected to multiple universal interface modules Row and motor controller, its signal conversion methods include:
  • Step 1 The HVAC system sends out a communication signal
  • Step 2 A communication signal sent by the HVAC system is transmitted to the multi-position terminal block through several first connecting wires;
  • Step 3 The multi-position terminal block transmits the above-mentioned communication signal to the motor controller through the second connecting wire;
  • Step 4 The motor controller recognizes and selects a corresponding interface module and its conversion circuit according to the input of different communication control signals, then converts and transmits the communication signal to the microprocessor, and the microprocessor outputs after passing through the motor interface circuit Appropriate control signals are sent to the motor body, so that the ECM motor adapts and matches the communication signal of the HVAC system and enters the working state.
  • step 5 When the main control board of the HVAC system is replaced, only steps 1 to 4 need to be repeated.
  • the ECM motor compatible with multiple universal interfaces of the present invention refer to at least two of a multi-pin communication interface module, a multi-wire communication interface module, a multi-shift control interface module or a PWM signal communication interface module According to the interface signal status of the connected HVAC system, one of the universal interface modules can be selected from a variety of universal interface modules to establish a communication mode connection between the microprocessor and the HVAC system. By setting a variety of universal interface modules, when the HVAC system with different communication modes needs to replace the motor, the ECM motor compatible with multiple universal interfaces can be easily and quickly matched and replaced.
  • the control circuit board is connected and communicated with the same microprocessor.
  • the control circuit structure is simple, the integration is high, the motor is easy to use and install, and the cost is low.
  • FIG. 1 is a schematic block diagram of the principle of Embodiment 1 of the present invention.
  • FIG. 2 is a block diagram of the circuit in Figure 1 further expanded
  • Fig. 3 is a perspective view of an ECM motor according to the first embodiment of the present invention.
  • FIG. 4 is a perspective view of the motor controller part of the ECM motor of the first embodiment of the present invention.
  • FIG. 5 is a cross-sectional view of the structure of the ECM motor according to the first embodiment of the present invention.
  • Figure 6 is a circuit block diagram of the power supply part of the first embodiment of the present invention.
  • FIG. 7A is a circuit diagram of a part of the 16-pin communication interface module according to the first embodiment of the present invention.
  • FIG. 7B is another partial circuit diagram of the 16-pin communication interface module in the first embodiment of the present invention.
  • Fig. 8 is a circuit diagram of a 4-wire communication interface module according to the first embodiment of the present invention.
  • Fig. 9 is a circuit diagram of a PWM signal communication interface module of the first embodiment of the present invention.
  • Fig. 10 is a circuit diagram of a multi-gear control interface module according to the first embodiment of the present invention.
  • FIG. 11 is a circuit diagram corresponding to a microprocessor according to an embodiment of the present invention.
  • Figure 12 is a perspective view of a terminal block used in the first embodiment of the present invention.
  • Figure 13 is a top view of a terminal block used in the first embodiment of the present invention.
  • Figure 14 is a cross-sectional view taken along line A-A of Figure 13;
  • Fig. 15 is a circuit block diagram of the second embodiment of the present invention.
  • An ECM motor compatible with multiple common interfaces including:
  • a motor body including a motor housing, a stator assembly and a rotor assembly
  • a motor controller which can be connected with the HVAC system, receives instructions from the HVAC system and controls the operation of the motor body.
  • the motor controller includes a control circuit board, which includes a power supply part, a microprocessor, and an IGBT inverter Circuit and a variety of general interface modules, the power supply part supplies power for each part of the circuit, the microprocessor controls the operation of the IGBT inverter circuit, and the output end of the IGBT inverter circuit is connected with the coil winding of the stator assembly;
  • multiple universal interface modules refer to at least two of the multi-pin communication interface module, the multi-line communication interface module, the multi-position control interface module or the PWM signal communication interface module, according to the connected HVAC system
  • one of the universal interface modules can be selected from a variety of universal interface modules to establish a communication mode connection between the microprocessor and the HVAC system.
  • the aforementioned multi-pin communication interface module includes a 5-pin communication interface module or a 16-pin communication interface module.
  • the above-mentioned multi-wire communication interface module refers to a 4-wire communication interface module.
  • the above-mentioned multi-gear control interface module is a 5-gear or 6-gear based on a variety of control commands issued by the HVAC system.
  • an ECM motor compatible with multiple universal interfaces of the present invention includes:
  • a motor body 1 including a motor housing 11, a stator assembly 12 and a rotor assembly 13;
  • a motor controller 2 which can be connected to the HVAC system, receives instructions from the HVAC system and controls the operation of the motor body 1.
  • the motor controller 2 includes a control circuit board 22 and a control box 21.
  • the control circuit board 22 includes a power supply Part, microprocessor (microcontroller MCU can be used), IGBT inverter circuit and a variety of general interface modules.
  • the power supply part supplies power for each part of the circuit.
  • the microprocessor controls the operation of the IGBT inverter circuit.
  • the output terminal and stator of the IGBT inverter circuit Coil winding connection of the component;
  • universal interface modules include 16-pin communication interface module, 4-wire communication interface module and multi-position control interface module. According to the interface signal status of the connected HVAC system, it can be used in a variety of universal interface modules. Choose one to establish a connection between the microprocessor and the HVAC system.
  • the above-mentioned motor controller 2 further includes a control box 21.
  • One side of the control box 21 is installed and connected to the motor housing 11, and a junction box 3 is installed on the other side of the control box 21.
  • the junction box 3 is provided with a box cover 31 and a multi-position terminal block 32. It is located in the junction box 3.
  • a connection line and a second connection line 33 establish a connection between the microprocessor and the HVAC system.
  • the various general interface modules mentioned above also include a PWM signal communication interface module.
  • the aforementioned multiple universal interface modules also include a Bluetooth communication module.
  • the microprocessor uses the Bluetooth communication module to establish connection and communication with the HVAC system.
  • the 6-pin communication interface module mentioned above is formed based on the ECM2.0/ECM2.3/ECM2.5 control mode of EON series products in the US market; the specific circuit is shown in Figure 7A and Figure 7B, with 16 plugs
  • the connection pins can be connected to the multi-position terminal block through 16 second connecting wires, which contain 13 signal conversion circuits.
  • the aforementioned 4-wire communication interface module is formed based on the control method of Emerson VSM series product ECM3.0 in the US market; Multi-position wiring terminal block connection, which contains 2 signal conversion circuits, that is, read-write serial communication circuit.
  • the above-mentioned PWM signal communication interface module has two plug-in pins, which can be connected to the multi-position terminal block through two second connecting wires, and the PWM signal conversion is performed through a photocoupler.
  • the above-mentioned multi-gear control interface module is based on the 5-gear or 6-gear control command issued by the HVAC system. As shown in Figure 10, it is a multi-gear control with 5 shifting gears.
  • the interface module has 8 plug-in pins, which can be connected to the multi-position terminal block through 8 second connecting wires.
  • the figure shows the signal conversion of 5 gears.
  • the input signals of the 5 gears are: 24VAC IN1, 24VAC IN2, 24VAC IN3, 24VAC IN4, 24VAC IN5 are converted by 5 signal conversion circuits, there are two serial communication signals RX and TX, and a ground signal.
  • FIG. 11 it is a circuit diagram of the microprocessor of the present invention.
  • the microprocessor adopts a single-chip MCU, which has as many as 64 pins to match with a variety of general-purpose interface modules.
  • the power supply part includes a surge protection circuit, a rectifier and voltage regulator circuit, and a DC-DC step-down circuit.
  • the power supply part outputs high voltage DC bus voltage Vdc, low voltage DC voltage VCC2, VCC3, VCC4, and high voltage DC bus voltage Vdc approximately 310V, the low-voltage DC voltage VCC2 is 24V, the low-voltage DC voltage is 15V for VCC3, and the low-voltage DC voltage VCC4 is 5V.
  • the power supply part supplies power for each part of the circuit.
  • the above-mentioned various universal interface modules are connected to the multi-position terminal block 32 through a plurality of second connecting wires 33.
  • the specific structure of the multi-position terminal block 32 used in the present invention can adopt the patent number: CN201811539496.4, and the patent name: The structure of the invention patent of the multi-connected terminal block.
  • the multi-position terminal block has the advantages of convenient wiring, neat and standardized wiring, and easy maintenance and installation.
  • the multi-position terminal block 32 includes a first connecting portion 320 and a second connecting portion 321.
  • the first connecting portion 320 is connected to the HVAC system through a plurality of first connecting wires
  • the second connecting portion 321 is connected to the HVAC system through a plurality of The two connecting wires are connected to the motor controller.
  • the first connecting portion is provided with a plurality of first connecting seats 3201, and the second connecting portion is correspondingly provided with a plurality of second connecting seats 3211, and the plurality of first connecting wires are inserted into the On one terminal block 3201, a number of second connecting wires are inserted into a number of second connecting blocks 3211.
  • the multi-position wiring terminal block 32 is divided into multiple groups of wiring terminals. Each group of wiring terminals can be connected to one of the universal interface modules through a number of second connecting wires 33, but only one group of wiring terminals is established with a selected universal interface module. Communication connection, and the number of bits of each group of wiring terminals and the number of lines of the corresponding second connecting line are the same as the number of signals of the general interface module.
  • the structure is simple and convenient for wiring.
  • the ECM motor compatible with multiple universal interfaces of the present invention adopts multiple universal interface modules.
  • the multiple universal interface modules include 16-pin communication interface module, 4-wire communication interface module and multi-position control interface module, according to the connected HVAC
  • the interface signal status of the HVAC system can be selected from a variety of universal interface modules to establish a connection between the microprocessor and the HVAC system. It can well coordinate the connection between the HVAC system control board and the motor, improve compatibility, and bring great convenience to the maintenance of the after-sales market.
  • this embodiment is an HVAC system, including an HVAC system control board and an ECM motor, and is characterized in that: the ECM motor is the one described in the first embodiment that is compatible with multiple universal interfaces ECM motor, in order to select one of the universal interface modules in the ECM motor according to the signal interface type of the HVAC system control motherboard itself, and establish a communication between the microprocessor and the HVAC system Mode connection.
  • the ECM motor is the one described in the first embodiment that is compatible with multiple universal interfaces ECM motor, in order to select one of the universal interface modules in the ECM motor according to the signal interface type of the HVAC system control motherboard itself, and establish a communication between the microprocessor and the HVAC system Mode connection.
  • the aforementioned ECM motor compatible with multiple universal interfaces also includes a multi-position terminal block connected to a variety of universal interface modules, and the multiple universal interface modules are connected to the multi-position terminal block through a plurality of second connecting wires,
  • the HVAC system control main board is connected with the multi-position terminal block of the ECM motor through a plurality of first connecting wires.
  • Example 1 When the output signal interface of the HVAC system uses EON electrical equipment series products based on the US market (ECM2.0/ECM2.3/ECM2.5 control mode), that is, PWM, 16Pin 24VAC control mode
  • ECM2.0/ECM2.3/ECM2.5 control mode that is, PWM, 16Pin 24VAC control mode
  • the HVAC system control board selects one of the various general interface modules in the ECM motor according to its own signal interface type, that is, the 16-pin communication interface module is used, and the HVAC system control board uses 16 first
  • the connecting line is connected to one side of a 16-bit multi-position terminal block, and the other side of the 16-bit multi-position terminal block is connected to the 16-pin communication interface module through 16 second connecting lines, thereby controlling the main board in the HVAC system Establish a connection with the ECM motor.
  • Example 2 When the output signal interface of the HVAC HVAC system adopts the Emerson VSM electrical equipment series products based on the American market (that is, the ECM3.0 control method---four-wire communication mode), when the ECM motor is repaired and replaced, the HVAC system
  • the control board selects one of the multiple universal interface modules in the ECM motor according to its own signal interface type, that is, the 4-wire communication interface module is used, and the HVAC system control board uses 4 first connecting wires to connect to a 4-bit multiple One side of the 4-position terminal block and the other side of the 4-position multi-position terminal block are connected to the 4-wire communication interface module through four second connecting wires, thereby establishing a connection between the HVAC system control board and the ECM motor.
  • a signal conversion method between an HVAC HVAC system and an ECM motor includes the HVAC HVAC system and the ECM motor compatible with multiple universal interfaces described in the first embodiment.
  • the ECM motor includes multiple universal interface modules.
  • the signal conversion methods of the connected multi-position terminal block and the motor controller include:
  • Step 1 The HVAC system sends out a communication signal
  • Step 2 A communication signal sent by the HVAC system is transmitted to the multi-position terminal block through several first connecting wires;
  • Step 3 The multi-position terminal block transmits the above-mentioned communication signal to the motor controller through the second connecting wire;
  • Step 4 The motor controller recognizes and selects a corresponding interface module and its conversion circuit according to the input of different communication control signals, then converts and transmits the communication signal to the microprocessor, and the microprocessor outputs after passing through the motor interface circuit Appropriate control signals are sent to the motor body, so that the ECM motor adapts and matches the communication signal of the HVAC system and enters the working state.
  • the above-mentioned signal conversion method further includes step 5.
  • step 5 When the HVAC system replaces the main control board, only steps 1 to 4 need to be repeated.

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  • Combustion & Propulsion (AREA)
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  • General Engineering & Computer Science (AREA)
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Abstract

本发明公开了兼容多种通用接口的ECM电机、暖通空调HVAC系统及信号转换方法,所述的ECM电机包括电机本体和电机控制器,电机控制器包括控制线路板,控制线路板包括电源部分、微处理器、IGBT逆变电路和多种通用接口模块,多种通用接口模块是指多针通信接口模块、多线通信接口模块、多档位控制接口模块或PWM信号通信接口模块中的至少两种,根据相连的暖通空调HVAC系统的接口信号状况,可在多种通用接口模块中选择其中一种通用接口模块,以便在微处理器与暖通空调HVAC系统之间建立一种通信模式连接。它可以很好地协调暖通空调HVAC系统控制主板与电机之间的连接,提高兼容性,给售后市场的维修带来很大的便捷。

Description

兼容多种通用接口的ECM电机、暖通空调HVAC系统及信号转换方法 技术领域:
本发明涉及一种兼容多种通用接口的ECM电机,特别是一种适于兼容多种通信模式的具有通用接口的ECM电机与暖通空调HVAC系统及其信号转换方法。
背景技术:
近年来,在暖通空调领域中,不同品牌的暖通空调使用不同的控制主板,不同的控制主板使用对应型号的电机,现有产品售后维修时,如维修需要更换电机或主控板,可能出现产品的主控板与电机不兼容,这样给售后维修带来很多不便。
造成主控板与电机兼容性差,主要原因是主控板与电机都是一一对应的控制方式,产品售后维修通常是找相应的电机或更换同一产品的主控板。目前,美国市场基于不同电器设备系列产品,有不同的通信模式,还有一些可以控制多个档位转速或者多个档位力矩的多档位控制模式,其接口类型均不相同。如果需要维修时,需要更换主控板或更换电机,即遇到更换的兼容性问题,这造成售后服务跟不上。.
为解决上述兼容性问题,美国专利US8063593(B2)接口线和包括接口线的系统,但需要增加多个连接器,而且还要在第一连接器和第二连接器之间的电路中增加一个单独的微控制器等可编程设备,其结构复杂、集成度低,不便使用安装,且成本较高。
发明内容:
本发明的一个目的是提供兼容多种通用接口的ECM电机、暖通空调HVAC系统及信号转换方法,特别是提供一种适于兼容多种通信模式的具有通用接口的ECM电机及暖通空调HVAC系统,解决售后市场上暖通空调HVAC系统主控板与电机接口类型都是一一对应的控制方式才能维修,兼容性差,维修不便的技术问题,而且结构简单、集成度高,使用安装方便,成本较低。
本发明是通过下述技术方案予以实现的:
一种兼容多种通用接口的ECM电机,包括:
一电机本体,包括电机外壳、定子组件和转子组件;
一电机控制器,可与暖通空调HVAC系统连接,接收暖通空调HVAC系统的指令并控制电机本体工作,电机控制器包括控制线路板,控制线路板包括电源部分、微处理器、IGBT逆变电路和多种通用接口模块,电源部分为各部分电路供电,微处理器控制IGBT逆变电路工作,IGBT逆变电路的输出端与定子组件的线圈绕组连接;
其特征在于:多种通用接口模块是指多针通信接口模块、多线通信接口模块、多档位控制接口模块或PWM信号通信接口模块中的至少两种,根据相连的暖通空调HVAC系统的接口信号状况,可在多种通用接口模块中选择其中一种通用接口模块,以便在微处理器与暖通空调HVAC系统之间建立一种通信模式连接,通过设置多种通用接口模块,当不同通信模式的暖通空调HVAC系统需要更换电机的时候,可以方便、快速匹配更换上所述兼容多种通用接口的ECM电机。
上述所述的多针通信接口模块包括5针通信接口模块或16针通信接口模块。
上述所述的多线通信接口模块是指4线通信接口模块。
上述的多种通用接口模块还包括蓝牙通信模块,微处理器利用蓝牙通信模块与暖通空调HVAC系统建立连接通信。
上述的多档位控制接口模块是基于暖通空调HVAC系统发出多种控制指令的5挡位或者6档位。
上述的ECM电机还包括与多种通用接口模块连接的多位接线端子排。
上述多种通用接口模块通过若干第二连接线与多位接线端子排连接。
上述的电机控制器还包括控制盒,控制盒一侧安装连接电机外壳,在控制盒另一侧安装接线盒,多位接线端子排位于接线盒里面。
上述多位接线端子排划分为多组接线端子,每组接线端子通过若干第二连接线可分别与其中一种通用接口模块连接,但只有一组接线端子与选择的一种通 用接口模块建立通信连接,且每组接线端子的位数与其对应的第二连接线的线数和通用接口模块的信号数量是相同的。
上述所述多位接线端子排包括第一连接部和第二连接部,第一连接部通过若干第一连接线与暖通空调HVAC系统连接,所述第二连接部通过若干第二连接线与电机控制器连接,所述第一连接部上设有若干个第一接线座,第二连接部上对应设有若干第二连接座,若干第一连接线插入到若干第一接线座上,若干第二连接线插入到若干第二连接座上,通过设置多位接线端子排,当需要更换不同的主控板或电机的时候,可以方便地根据不同的产品匹配更换ECM电机。
一种暖通空调HVAC系统,包括HVAC系统控制主板和ECM电机,其特征在于:所述的ECM电机是上述所述的一种兼容多种通用接口的ECM电机,以便根据HVAC系统控制主板自身的信号接口类型在ECM电机中的多种通用接口模块中选择其中一种通用接口模块,在微处理器与暖通空调HVAC系统之间建立一种通信模式连接。
上述所述的一种兼容多种通用接口的ECM电机,还包括与多种通用接口模块连接的多位接线端子排,多种通用接口模块通过若干第二连接线与多位接线端子排连接,HVAC系统控制主板通过若干第一连接线与ECM电机的多位接线端子排连接。
一种暖通空调HVAC系统与ECM电机之间的信号转换方法,包括暖通空调HVAC系统和兼容多种通用接口的ECM电机,所述ECM电机包括与多种通用接口模块连接的多位接线端子排和电机控制器,其信号转换方法包括:
步骤1:HVAC系统发出一种通信信号;
步骤2:HVAC系统发出的一种通信信号通过若干第一连接线传输至多位接线端子排;
步骤3:多位接线端子排通过第二连接线将上述通信信号传输至电机控制器;
步骤4:电机控制器根据输入不同的通信控制信号,识别与选择一种对应的 接口模块及其转换电路再将所述通信信号转换并传送给微处理器,微处理器经过电机接口电路后输出适合的控制信号至电机本体,使ECM电机适应与匹配HVAC系统的通信信号并进入工况状态。
上述还包括步骤5,当暖通空调HVAC系统更换主控板时,只需重复步骤1至骤4。
本发明与现有技术相比:
1)本发明的兼容多种通用接口的ECM电机,多种通用接口模块是指多针通信接口模块、多线通信接口模块、多档位控制接口模块或PWM信号通信接口模块中的至少两种,根据相连的暖通空调HVAC系统的接口信号状况,可在多种通用接口模块中选择其中一种通用接口模块,以便在微处理器与暖通空调HVAC系统之间建立一种通信模式连接,通过设置多种通用接口模块,当不同通信模式的暖通空调HVAC系统需要更换电机的时候,可以方便、快速匹配更换上所述兼容多种通用接口的ECM电机。它可以很好地协调暖通空调HVAC系统控制主板与ECM电机之间的连接,提高兼容性,给售后市场的维修带来很大的便捷;而且通过把多种通用接口模块集中到电机控制器的同一件控制线路板,并统一与同一个微处理连接及通信,其控制电路结构简单、集成度高,电机使用安装方便,成本较低。
2)本发明的其它优点在实施例部分详细叙述。
附图说明:
图1是本发明实施例一的原理示意方框图;
图2是图1中进一步展开电路方框图;
图3是本发明实施例一的ECM电机立体图;
图4是本发明实施例一的ECM电机的电机控制器部分的立体图;
图5是本发明实施例一的ECM电机的结构剖视图;
图6是本发明实施例一的电源部分的电路方框图;
图7A是本发明实施例一的16针通信接口模块的一部分电路图;
图7B是本发明实施例一的16针通信接口模块的另一部分电路图;
图8是本发明实施例一的4线通信接口模块的电路图;
图9是本发明实施例一的PWM信号通信接口模块的电路图;
图10是本发明实施例一的多档位控制接口模块的电路图;
图11是本发明实施例一微处理器对应的电路图;
图12是本发明实施例一采用的接线端子排的立体图;
图13是本发明实施例一采用的接线端子排的俯视图;
图14是图13的A-A剖视图;
图15是本发明实施例二的电路方框图。
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。
实施例一:
一种兼容多种通用接口的ECM电机,包括:
一电机本体,包括电机外壳、定子组件和转子组件;
一电机控制器,可与暖通空调HVAC系统连接,接收暖通空调HVAC系统的指令并控制电机本体工作,电机控制器包括控制线路板,控制线路板包括电源部分、微处理器、IGBT逆变电路和多种通用接口模块,电源部分为各部分电路供电,微处理器控制IGBT逆变电路工作,IGBT逆变电路的输出端与定子组件的线圈绕组连接;
其特征在于:多种通用接口模块是指多针通信接口模块、多线通信接口模块、多档位控制接口模块或PWM信号通信接口模块中的至少两种,根据相连的暖通空调HVAC系统的接口信号状况,可在多种通用接口模块中选择其中一种通用接口模块,以便在微处理器与暖通空调HVAC系统之间建立一种通信模式连接,通过设置多种通用接口模块,当不同通信模式的暖通空调HVAC系统需要更换电机的时候,可以方便、快速匹配更换上所述兼容多种通用接口的ECM电机;而且通过把多种通用接口模块集中到电机控制器的同一件控制线路板,并统一与同 一个微处理连接及通信,其控制电路结构简单、集成度高,电机使用安装方便,成本较低。
上述所述的多针通信接口模块包括5针通信接口模块或16针通信接口模块。
上述所述的多线通信接口模块是指4线通信接口模块。
上述多档位控制接口模块是基于暖通空调HVAC系统发出多种控制指令的5挡位或者6档位。
如图1至图5所示,本发明的一种兼容多种通用接口的ECM电机,包括:
一电机本体1,包括电机外壳11、定子组件12和转子组件13;
一电机控制器2,可与暖通空调HVAC系统连接,接收暖通空调HVAC系统的指令并控制电机本体1工作,电机控制器2包括控制线路板22和控制盒21,控制线路板22包括电源部分、微处理器(可采用单片机MCU)、IGBT逆变电路和多种通用接口模块,电源部分为各部分电路供电,微处理器控制IGBT逆变电路工作,IGBT逆变电路的输出端与定子组件的线圈绕组连接;
其特征在于:多种通用接口模块包括16针通信接口模块、4线通信接口模块和多档位控制接口模块,根据相连的暖通空调HVAC系统的接口信号状况,可在多种通用接口模块中选择其中一种,以便在微处理器与暖通空调HVAC系统之间建立连接。
上述的电机控制器2还包括控制盒21,控制盒21一侧安装连接电机外壳11,在控制盒21另一侧安装接线盒3,接线盒3上设置盒盖31,多位接线端子排32位于接线盒3里面,接线时,可以打开盒盖31,根据相连的暖通空调HVAC系统的接口信号状况,可在多种通用接口模块中选择其中一种并利用多位接线端子排32、第一连接线和第二连接线33在微处理器与暖通空调HVAC系统之间建立连接。
上述所述的多种通用接口模块还包括PWM信号通信接口模块。
上述所述的多种通用接口模块还包括蓝牙通信模块,微处理器利用蓝牙通信 模块与暖通空调HVAC系统建立连接通信。
上述所述的6针通信接口模块是基于美国市场上EON系列产品的ECM2.0/ECM2.3/ECM2.5的控制方式而形成;具体电路如图7A和图7B所示,具有16个插接引脚,可以通过16条第二连接线与多位接线端子排连接,其中含有13个信号转换电路。
上述所述的4线通信接口模块是基于美国市场上Emerson VSM系列产品ECM3.0的控制方式而形成;如图8所示,具有4个插接引脚,可以通过4条第二连接线与多位接线端子排连接,其中含有2个信号转换电路,即读写串行通信电路。
上述的PWM信号通信接口模块,如图9所示,具有2个插接引脚,可以通过2条第二连接线与多位接线端子排连接,其中通过光电耦合器进行PWM信号转换。
上述所述的多档位控制接口模块是基于暖通空调HVAC系统发出的5挡位或者6档位控制指令,具体如图10所示,它是含有5个变换挡位的多档位控制接口模块,具有8个插接引脚,可以通过8条第二连接线与多位接线端子排连接,图中是标示了5个档位的信号转换,5个档位输入信号分别为:24VAC IN1、24VAC IN2、24VAC IN3、24VAC IN4、24VAC IN5,通过5路信号转换电路进行转化,还有两个串行通信信号RX和TX,还有接地信号。
如图11所示,它是本发明的微处理器的电路图,微处理器采用单片机MCU,具有多达64个引脚,以便与多种通用接口模块匹配。
如图6所示,电源部分包括浪涌保护电路、整流稳压电路和DC-DC降压电路,电源部分输出高压直流母线电压Vdc、低压直流电压VCC2、VCC3、VCC4,高压直流母线电压Vdc大概310V,低压直流电压VCC2为24V,低压直流电压为VCC3为15V,低压直流电压VCC4为5V,电源部分为各部分电路供电。
上述的多种通用接口模块通过若干第二连接线33与多位接线端子排32连接。本发明采用的多位接线端子排32,其具体结构可以采用专利号为: CN201811539496.4、专利名称为:多联端子排的发明专利的结构,具体见图12、图13和图14,采用多位接线端子排具有方便接线,布线整齐规范的优点,便于维修安装。所述多位接线端子排32包括第一连接部320和第二连接部321,第一连接部320通过若干第一连接线与暖通空调HVAC系统连接,所述第二连接部321通过若干第二连接线与电机控制器连接,所述第一连接部上设有若干个第一接线座3201,第二连接部上对应设有若干第二连接座3211,若干第一连接线插入到若干第一接线座3201上,若干第二连接线插入到若干第二连接座3211上,通过设置多位接线端子排,当需要更换不同的主控板或电机的时候,可以方便地根据不同的产品匹配更换ECM电机。
多位接线端子排32划分为多组接线端子,每组接线端子通过若干第二连接线33可分别与其中一种通用接口模块连接,但只有一组接线端子与选择的一种通用接口模块建立通信连接,且每组接线端子的位数与其对应的第二连接线的线数和通用接口模块的信号数量是相同的。结构简单,方便接线。
本发明的兼容多种通用接口的ECM电机,采用多种通用接口模块,多种通用接口模块包括16针通信接口模块、4线通信接口模块和多档位控制接口模块,根据相连的暖通空调HVAC系统的接口信号状况,可在多种通用接口模块中选择其中一种,以便在微处理器与暖通空调HVAC系统之间建立连接。它可以很好地协调暖通空调HVAC系统控制主板与电机之间的连接,提高兼容性,给售后市场的维修带来很大的便捷。
实施例二:
如图15所示,本实施例是一种暖通空调HVAC系统,包括HVAC系统控制主板和ECM电机,其特征在于:所述的ECM电机是实施例一所述的一种兼容多种通用接口的ECM电机,以便根据HVAC系统控制主板自身的信号接口类型在ECM电机中的多种通用接口模块中选择其中一种通用接口模块,在微处理器与暖通空调HVAC系统之间建立一种通信模式连接。
上述的所述的一种兼容多种通用接口的ECM电机还包括与多种通用接口模块连接的多位接线端子排,多种通用接口模块通过若干第二连接线与多位接线端子排连接,HVAC系统控制主板通过若干第一连接线与ECM电机的多位接线端子排连接。
举例1:当暖通空调HVAC系统的输出信号接口采用的是基于美国市场EON电器设备系列产品(ECM2.0/ECM2.3/ECM2.5的控制方式),-即PWM、16Pin 24VAC控制模式时,维修更换ECM电机时,HVAC系统控制主板根据自身的信号接口类型在ECM电机中的多种通用接口模块中选择其中一种,即采用16针通信接口模块,HVAC系统控制主板利用16条第一连接线连接在一个16位的多位接线端子排的一侧,16位的多位接线端子排的另一侧通过16条第二连接线与16针通信接口模块连接,从而在HVAC系统控制主板与ECM电机之间建立连接。
举例2:当暖通空调HVAC系统的输出信号接口采用的是基于美国市场Emerson VSM电器设备系列产品(即ECM3.0的控制方式---四线通信模式),维修更换ECM电机时,HVAC系统控制主板根据自身的信号接口类型在ECM电机中的多种通用接口模块中选择其中一种,即采用4线通信接口模块,HVAC系统控制主板利用4条第一连接线连接在一个4位的多位接线端子排的一侧,4位的多位接线端子排的另一侧通过4条第二连接线与4线通信接口模块连接,从而在HVAC系统控制主板与ECM电机之间建立连接。
实施例三:
一种暖通空调HVAC系统与ECM电机之间的信号转换方法,包括暖通空调HVAC系统和实施例一所述的兼容多种通用接口的ECM电机,所述ECM电机包括与多种通用接口模块连接的多位接线端子排和电机控制器,其信号转换方法包括:
步骤1:HVAC系统发出一种通信信号;
步骤2:HVAC系统发出的一种通信信号通过若干第一连接线传输至多位接线端子排;
步骤3:多位接线端子排通过第二连接线将上述通信信号传输至电机控制器;
步骤4:电机控制器根据输入不同的通信控制信号,识别与选择一种对应的接口模块及其转换电路再将所述通信信号转换并传送给微处理器,微处理器经过电机接口电路后输出适合的控制信号至电机本体,使ECM电机适应与匹配HVAC系统的通信信号并进入工况状态。
上述的信号转换方法还包括步骤5,当暖通空调HVAC系统更换主控板时,只需重复步骤1至骤4。
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 (14)

  1. 一种兼容多种通用接口的ECM电机,包括:
    一电机本体,包括电机外壳、定子组件和转子组件;
    一电机控制器,可与暖通空调HVAC系统连接,接收暖通空调HVAC系统的指令并控制电机本体工作,电机控制器包括控制线路板,控制线路板包括电源部分、微处理器、IGBT逆变电路和多种通用接口模块,电源部分为各部分电路供电,微处理器控制IGBT逆变电路工作,IGBT逆变电路的输出端与定子组件的线圈绕组连接;
    其特征在于:多种通用接口模块是指多针通信接口模块、多线通信接口模块、多档位控制接口模块或PWM信号通信接口模块中的至少两种,根据相连的暖通空调HVAC系统的接口信号状况,可在多种通用接口模块中选择其中一种通用接口模块,以便在微处理器与暖通空调HVAC系统之间建立一种通信模式连接,通过设置多种通用接口模块,当不同通信模式的暖通空调HVAC系统需要更换电机的时候,可以方便、快速匹配更换上所述兼容多种通用接口的ECM电机。
  2. 根据权利要求1所述的一种兼容多种通用接口的ECM电机,其特征在于:所述的多针通信接口模块包括5针通信接口模块或16针通信接口模块。
  3. 根据权利要求1所述的一种兼容多种通用接口的ECM电机,其特征在于:所述的多线通信接口模块是指4线通信接口模块。
  4. 根据权利要求1所述的一种兼容多种通用接口的ECM电机,其特征在于:多种通用接口模块还包括蓝牙通信模块,微处理器利用蓝牙通信模块与暖通空调HVAC系统建立连接通信。
  5. 根据权利要求1所述的一种兼容多种通用接口的ECM电机,其特征在于:多档位控制接口模块是基于暖通空调HVAC系统发出多种控制指令的5挡位或者6档位。
  6. 根据权利要求1至5所述中任意一种兼容多种通用接口的ECM电机,其特征在于:还包括与多种通用接口模块连接的多位接线端子排。
  7. 根据权利要求6所述的一种兼容多种通用接口的ECM电机,其特征在于:多种通用接口模块通过若干第二连接线与多位接线端子排连接。
  8. 根据权利要求7所述的一种兼容多种通用接口的ECM电机,其特征在于:电机控制器还包括控制盒,控制盒一侧安装连接电机外壳,在控制盒另一侧安装接线盒,多位接线端子排位于接线盒里面。
  9. 根据权利要求8所述中任意一种兼容多种通用接口的ECM电机,其特征在于:多位接线端子排划分为多组接线端子,每组接线端子通过若干第二连接线可分别与其中一种通用接口模块连接,但只有一组接线端子与选择的一种通用接口模块建立通信连接,且每组接线端子的位数与其对应的第二连接线的线数和通用接口模块的信号数量是相同的。
  10. 根据权利要求9所述一种兼容多种通用接口的ECM电机,其特征在于:所述多位接线端子排包括第一连接部和第二连接部,第一连接部通过若干第一连接线与暖通空调HVAC系统连接,所述第二连接部通过若干第二连接线与电机控制器连接,所述第一连接部上设有若干个第一接线座,第二连接部上对应设有若干第二连接座,若干第一连接线插入到若干第一接线座上,若干第二连接线插入到若干第二连接座上,通过设置多位接线端子排,当需要更换不同的主控板或电机的时候,可以方便地根据不同的产品匹配更换ECM电机。
  11. 一种暖通空调HVAC系统,包括HVAC系统控制主板和ECM电机,其特征在于:所述的ECM电机是权利要求1至10任意一项所述的一种兼容多种通用接口的ECM电机,以便根据HVAC系统控制主板自身的信号接口类型在ECM电机中的多种通用接口模块中选择其中一种通用接口模块,在微处理器与暖通空调HVAC系统之间建立一种通信模式连接。
  12. 根据权利要求11所述的一种暖通空调HVAC系统,其特征在于:所述的一种兼容多种通用接口的ECM电机还包括与多种通用接口模块连接的多位接线端子排,多种通用接口模块通过若干第二连接线与多位接线端子排连接,HVAC系统控制主板通过若干第一连接线与ECM电机的多位接线端子排连接。
  13. 一种暖通空调HVAC系统与ECM电机之间的信号转换方法,包括暖通空调HVAC系统和兼容多种通用接口的ECM电机,所述ECM电机包括与多种通用接口模块连接的多位接线端子排和电机控制器,其信号转换方法包括:
    步骤1:HVAC系统发出一种通信信号;
    步骤2:HVAC系统发出的一种通信信号通过若干第一连接线传输至多位接线端子排;
    步骤3:多位接线端子排通过第二连接线将上述通信信号传输至电机控制器;
    步骤4:电机控制器根据输入不同的通信控制信号,识别与选择一种对应的接口模块及其转换电路再将所述通信信号转换并传送给微处理器,微处理器经过电机接口电路后输出适合的控制信号至电机本体,使ECM电机适应与匹配HVAC系统的通信信号并进入工况状态。
  14. 根据权利要求13所述的一种暖通空调HVAC系统与ECM电机之间的信号转换方法,其特征在于:还包括步骤5,当暖通空调HVAC系统更换主控板时,只需重复步骤1至骤4。
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