WO2020211274A1 - Bldc motor - Google Patents

Bldc motor Download PDF

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Publication number
WO2020211274A1
WO2020211274A1 PCT/CN2019/105384 CN2019105384W WO2020211274A1 WO 2020211274 A1 WO2020211274 A1 WO 2020211274A1 CN 2019105384 W CN2019105384 W CN 2019105384W WO 2020211274 A1 WO2020211274 A1 WO 2020211274A1
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WO
WIPO (PCT)
Prior art keywords
port
circuit board
signal
circuit
input
Prior art date
Application number
PCT/CN2019/105384
Other languages
French (fr)
Chinese (zh)
Inventor
张先胜
赵勇
边文清
王兴梅
Original Assignee
中山大洋电机股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN201920504277.6U external-priority patent/CN209676083U/en
Priority claimed from CN201920535483.3U external-priority patent/CN209545476U/en
Priority claimed from CN201920559398.0U external-priority patent/CN209545478U/en
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
Publication of WO2020211274A1 publication Critical patent/WO2020211274A1/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
    • H02K11/30—Structural association with control circuits or drive circuits
    • 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
    • H02P6/08—Arrangements for controlling the speed or torque of a single motor
    • 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
    • H02P7/00—Arrangements for regulating or controlling the speed or torque of electric DC motors
    • H02P7/06—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current
    • H02P7/18—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power
    • H02P7/24—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices
    • H02P7/28—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/02—Details
    • H05K1/14—Structural association of two or more printed circuits

Definitions

  • the utility model relates to a BLDC motor.
  • the general brushless DC motor includes the motor entity and the motor controller.
  • the motor entity includes the stator, rotor part and the motor housing of the motor.
  • the motor controller also needs to be matched with the motor
  • the traditional approach is to develop a motor and motor controller for each user-side control system.
  • motor controllers that dock with the daughter and mother circuit boards.
  • the main functional circuits of the motor controller are set on the mother circuit board, and various interface unit circuits and identification circuits are set on multiple daughter boards.
  • On the circuit board one of the daughter circuit boards is used to connect with the mother circuit board.
  • the identification circuit on the daughter circuit board informs the mother microprocessor on the mother circuit board, and the mother microprocessor automatically configures the I/ on the daughter circuit board.
  • O port type which can be used in different occasions by replacing different sub-circuit boards. It has a wide range of applications. Motor manufacturers reduce the types of motors for easy management, which can reduce motor R&D investment, shorten R&D cycles, reduce product costs, and simplify production Process, improve efficiency.
  • the motor controller includes a motherboard microprocessor, an interface circuit unit and an identification circuit.
  • the motherboard microprocessor is set on the motherboard, and the interface circuit unit,
  • the identification circuit is set on the daughter circuit board, and forms an electrical connection through the docking of the daughter circuit board and the mother circuit board.
  • the identification circuit inputs the identification signal to the motherboard microprocessor, and the motherboard microprocessor automatically configures the interface circuit unit according to the identification signal.
  • the type of each I/o port Different types of interface circuit units matching identification circuits output different signals to form multiple different sub-circuit boards.
  • the output end of the motherboard microprocessor is connected to the power drive circuit module, the output end of the rotor position detection circuit is connected to the input end of the motherboard microprocessor, and the power drive circuit module and the rotor position detection circuit are both arranged on the mother circuit board.
  • the power supply circuit and the analog quantity detection circuit are also arranged on the mother circuit board.
  • the power circuit supplies power for each part of the circuit.
  • the said motherboard microprocessor is a CPU or a single-chip MCU or a digital signal processor DSP.
  • the mother circuit board is provided with a plug-in port 3a, and 11-way lugs are provided in the plug-in port 3a.
  • the 11 lugs on the plug-in port 3a are E, N, L, M1, M2, M3, M4, M5, M6, M7, M8. Each lug can be defined according to the following standards.
  • the three E, N, and L channels are Power input, M1, M2, M3, M4, M5, M6, M7, M8 are the interface signals input by the client control system to the sub-circuit board.
  • a slot 1a is provided on the mother circuit board, and a plug connector 2a is provided on the sub circuit board. The plug connector 2a is nested in the slot 1a to electrically connect the sub circuit board and the mother circuit board.
  • the purpose of the utility model is to provide a BLDC motor, which adopts new electrical specifications, has a relatively simple circuit structure, is convenient to match the signal with the client control system, and forms a relatively common standard, reduces production costs, and avoids sub-circuit board Too many forms are too widespread, easy to manage and promote applications.
  • a BLDC motor includes a motor controller and a motor body.
  • the motor body includes a stator assembly, a rotor assembly and a motor housing.
  • the motor controller includes a mother circuit board and a daughter circuit board.
  • the mother circuit board includes a mother microprocessor, an inverter circuit,
  • the power supply circuit and the detection circuit are characterized in that the sub-circuit board includes a number of unit circuits integrated on the sub-circuit board, and the sub-circuit board is used to plug into the mother circuit board of the motor controller to match the interface signal of the user terminal control system.
  • the several unit circuits mentioned above include the first signal conversion circuit, the second signal conversion circuit, the third signal conversion circuit, the fourth signal conversion circuit and the half-duplex two-way serial communication circuit, the sub-circuit board and the user terminal control system
  • Several ports are set for connection, and the ports are as follows:
  • the PWM port is used for PWM signal input.
  • the PWM signal is converted by the first signal conversion circuit set on the sub-circuit board and then input to the mother circuit board;
  • G port enable switch signal input port, the port signal is converted by the second signal conversion circuit set on the sub-circuit board and then input to the mother circuit board;
  • SW port operating mode switching signal input port, the port signal is converted by the third signal conversion circuit set on the sub-circuit board and then input to the mother circuit board;
  • FG port, speed feedback signal output port, the signal of this port is connected with the fourth signal conversion circuit set on the sub-circuit board, the mother circuit board converts the rotation speed signal of the motor operation through the fourth signal conversion circuit and then outputs it from the FG port;
  • J1 port, jumper port, PWM signal input port is electrically connected to J1 port through a printed circuit on the sub-circuit board, when J1 port is connected to SW port through an external jumper switch K for operating mode switching;
  • R/T port serial communication port, this port is connected with the half-duplex bidirectional serial communication circuit set on the sub-circuit board, and is used to transmit data between the mother circuit board of the motor controller and the user-side control system;
  • GND2 port this port is the common grounding terminal provided by the user-side control system for the sub-circuit board;
  • V port power input port, this port is used by the user-side control system to provide DC power for the sub-circuit board, and the power input from the V port provides power for the half-duplex bidirectional serial communication circuit.
  • the first signal conversion circuit, the second signal conversion circuit, the third signal conversion circuit, and the fourth signal conversion circuit described above are all photoelectric coupling circuits, and the several unit circuits also include identification circuits, which output identification signals BSEL to the mother circuit board so that the mother circuit board can identify the type of the daughter circuit board.
  • the specifications of the PWM speed control signal input from the PWM port mentioned above are: the voltage range is 12V-24V DC, the frequency range is 80Hz-120Hz, and the G port input signal specifications: the voltage is 24V AC, and the frequency range is 50Hz-60Hz.
  • the above-mentioned mother circuit board provides +3.3V DC input power and ground terminal GND1 for the daughter circuit board, the power input of the V port is +15V DC input power, and the enable switch signal input port of the G port is in fan mode Start signal port, SW port is used to switch between constant torque operation mode and constant air volume operation mode, or switch between constant torque operation mode and constant speed operation mode.
  • the several ports mentioned above include 5 gear signal input ports, PWM port, GND2 port and R/T port.
  • the 5 gear signal input ports are M1 port, M2 port, M3 port, M4 port and M5 port. ,among them:
  • the input signals of the M1 port and the M2 port are converted by the first signal conversion circuit provided on the sub-circuit board and then combined into one signal and input to the mother circuit board;
  • the input signals of the M3 port and the M4 port are converted by the second signal conversion circuit provided on the sub-circuit board and combined into one signal input and input to the mother circuit board;
  • the input signals of the M5 port and the PWM port are converted by the third signal conversion circuit provided on the sub-circuit board and then combined into one signal and input to the mother circuit board; among them, the PWM port is used for PWM signal input;
  • R/T port serial communication port, this port is connected with the half-duplex bidirectional serial communication circuit set on the sub-circuit board, and is used to transmit data between the mother circuit board of the motor controller and the user-side control system;
  • GND2 port this port is the common grounding terminal provided by the user-side control system for the sub-circuit board.
  • the above-mentioned first signal conversion circuit is a photoelectric coupling circuit
  • the M1 port is connected to the input terminal of the first signal conversion circuit
  • the M2 port is connected to the input terminal of the first signal conversion circuit after the signal frequency is reduced by half through half-wave rectification processing
  • the second signal conversion circuit is a photoelectric coupling circuit
  • the M3 port is connected to the input end of the second signal conversion circuit
  • the M4 port is half-wave rectified to reduce the signal frequency by half and then connected to the input end of the second signal conversion circuit .
  • the above-mentioned third signal conversion circuit is a photoelectric coupling circuit
  • the M5 port is connected to the input end of the third signal conversion circuit
  • the PWM port is connected to the input end of the third signal conversion circuit after the signal frequency is reduced by half through half-wave rectification.
  • M1 port or M2 port or M3 port or M4 port or M5 port input gear signal specifications meet the following conditions: voltage 24VAC, input voltage frequency range: 50Hz-60Hz.
  • the above-mentioned voltage range 12VDC-24VDC
  • the frequency range of the input voltage is 80Hz-120Hz
  • several unit circuits also include power conversion circuits, M1 port or M2 port or M3 port or M4 port or M5 port is connected to one of the ports
  • the output terminal Vcc of the power conversion circuit provides power supply for the half-duplex bidirectional serial communication circuit.
  • the above-mentioned mother circuit board provides +3.3V DC input power and ground terminal GND1 for the daughter circuit board.
  • Several unit circuits also include identification circuits, which provide identification signals for identifying the type of the daughter circuit boards to the mother circuit board. BSEL.
  • the several unit circuits mentioned above include a power conversion circuit, a PWM signal processing circuit, a VSP signal processing circuit, a daughter board microprocessor, a serial communication circuit and a PWM signal generating circuit, among which:
  • the bus circuit board of the motor controller provides DC input power for the power conversion circuit, and the power conversion circuit outputs two DC power sources and supplies power to the user-side control system;
  • the user-side control system inputs the PWM speed control signal to the interface sub-circuit board, and the PWM speed control signal is processed by the PWM signal processing circuit and then outputs the PWM signal for input to the mother circuit board;
  • the user-side control system inputs the analog voltage speed control signal VSP to the sub-circuit board.
  • the analog voltage speed control signal VSP is processed by the VSP signal processing circuit and input to the daughter board microprocessor.
  • the daughter board microprocessor drives the PWM signal generated by the PWM signal generating circuit. Input to the mother circuit board;
  • the user end control system uses the serial communication circuit to communicate and exchange data with the mother circuit board.
  • the above-mentioned daughter board microprocessor drives the PWM signal and PWM speed control signal generated by the PWM signal generating circuit to be processed by the PWM signal processing circuit, and then the output PWM signal is input to the mother circuit board through the same line.
  • the above-mentioned power conversion circuit outputs +12V and +3.3V two DC power supplies and supplies power to the user-side control system.
  • the user-side control system inputs the PWM speed control signal to the sub-circuit board.
  • the specification is: the voltage range is 12V-24VDC, The frequency range is 80Hz-120Hz, and the user-side control system inputs the analog voltage speed control signal VSP specification to the sub-circuit board: the voltage range is 0V-12V DC.
  • the above-mentioned sub-circuit board is connected to the user-side control system and at least 6 useful ports are provided.
  • the 6 useful ports on the sub-circuit board are:
  • the sub-circuit board provides 12VDC power to the user-side control system
  • the user-side control system inputs PWM speed control signal to the sub-circuit board;
  • GNDISO input port the signal common ground provided by the user-side control system to the sub-circuit board
  • the user terminal control system inputs the analog voltage speed control signal VSP to the sub-circuit board;
  • the sub-circuit board provides 3.3VDC power to the user-side control system
  • R/T half-duplex serial communication port sub-circuit board and user-side control system for mutual data exchange.
  • a power input port V is also provided on the above-mentioned sub-circuit board.
  • the client control system uses the power input port V to provide power for the serial communication circuit.
  • Several unit circuits also include an identification circuit, which is connected to the mother circuit board. Provide the identification signal BSEL, the serial communication ports TXD and RXD are set on the daughter circuit board and the mother circuit board, and the mother circuit board provides +15V and +5V DC input power for the power conversion circuit and provides the grounding port GND.
  • the sub-circuit board of the present utility model is connected with the user-side control system to set a number of ports to adopt relatively simple electrical specifications, simplify the circuit structure, reduce manufacturing costs, and facilitate signal matching with the client-side control system to form a more universal Standards, to avoid too many forms of sub-circuit boards, easy to manage and promote applications.
  • Figure 1 is a wiring diagram of the traditional motor controller and the user-side control system
  • Figure 2 is a schematic block diagram of a traditional motor controller
  • Figure 3 is a schematic diagram of the principle of a traditional motor controller using a daughter-in-circuit board
  • Figure 4 is a schematic diagram of the appearance of a mother circuit board of a traditional motor controller
  • Figure 5 is a schematic diagram of the appearance of a sub-circuit board of a conventional motor controller
  • Figure 6 is a circuit block diagram of the sub-circuit board of the first embodiment of the present invention.
  • Figure 7 is a partial circuit diagram corresponding to Figure 6;
  • FIG. 8 is another part of the circuit diagram corresponding to FIG. 6;
  • Fig. 9 is a block diagram of the motor controller of the first embodiment of the present invention.
  • Figure 10 is a circuit block diagram of a sub-circuit board of the second embodiment of the present invention.
  • FIG. 11 is a partial circuit diagram of the first part corresponding to FIG. 10;
  • FIG. 12 is a partial circuit diagram of the second part corresponding to FIG. 10;
  • FIG. 13 is a partial circuit diagram of the third part corresponding to FIG. 10;
  • Figure 14 is a circuit block diagram of a sub-circuit board of the third embodiment of the present invention.
  • Fig. 15 is a partial circuit diagram corresponding to Fig. 14;
  • Fig. 16 is a partial circuit diagram corresponding to Fig. 14;
  • Fig. 17 is a partial circuit diagram corresponding to Fig. 14.
  • a BLDC motor includes a motor controller and a motor body.
  • the motor body includes a stator assembly, a rotor assembly and a motor housing.
  • the motor controller includes a mother circuit board and a daughter circuit board.
  • the mother circuit board includes a mother microprocessor, an inverter circuit, a power supply circuit and a detection circuit, and is characterized in that: the daughter circuit board includes several unit circuits integrated on the daughter circuit board, and the daughter circuit board is used to plug in The mother circuit board of the motor controller matches the interface signal of the user end control system.
  • the several unit circuits include a first signal conversion circuit 1, a second signal conversion circuit 2, a third signal conversion circuit 3, and a fourth signal conversion circuit 4 and the half-duplex two-way serial communication circuit 5, characterized in that: the sub-circuit board is connected with the user-side control system to set up several ports, and the several ports are:
  • the PWM port is used for PWM signal input.
  • the PWM signal is converted by the first signal conversion circuit 1 provided on the sub-circuit board and then input to the mother circuit board;
  • G port enable switch signal input port, the port signal is converted by the second signal conversion circuit 2 provided on the sub-circuit board and then input to the mother circuit board;
  • SW port operating mode switching signal input port, the signal of this port is converted by the third signal conversion circuit 3 provided on the sub-circuit board and then input to the mother circuit board;
  • the FG port speed feedback signal output port.
  • the signal of this port is connected to the fourth signal conversion circuit 4 set on the sub-circuit board.
  • the mother circuit board converts the rotation speed signal of the motor operation through the fourth signal conversion circuit and outputs it from the FG port ,
  • the speed feedback signal is a pulse signal, calculated based on how many small pulse signals are generated per revolution;
  • J1 port, jumper port, PWM port is electrically connected to J1 port through printed circuit 7 on the sub-circuit board, when J1 port is connected to SW port through external jumper switch K to switch the operating mode; directly use PWM port input
  • the PWM reaches the SW port to switch the operation mode through a printed circuit 7, J1 port, and jumper switch K on the sub-circuit board, without external driving power, simplifying the structure and reducing manufacturing costs.
  • R/T port serial communication port, this port is connected to the half-duplex bidirectional serial communication circuit 5 set on the sub-circuit board, and is used to transmit data between the mother circuit board of the motor controller and the user-side control system;
  • GND2 port this port is the common grounding terminal provided by the user-side control system for the sub-circuit board;
  • the V port is a power input port. This port is used by the user-side control system to provide DC power to the sub-circuit board, and the power input from the V port provides power for the half-duplex bidirectional serial communication circuit 5.
  • the above-mentioned first signal conversion circuit 1, second signal conversion circuit 2, third signal conversion circuit 3, and fourth signal conversion circuit 4 are all photoelectric coupling circuits.
  • the first signal conversion circuit 1 includes an optocoupler chip U601, a resistor R601, a resistor R602, and a capacitor C601, and the output signal I O1 is sent to the motherboard microprocessor;
  • the second signal conversion circuit 2 includes an optocoupler chip U602, a resistor R603, a resistor R604, and Capacitor C602, output signal I O3 to the motherboard microprocessor;
  • the third signal conversion circuit 3 includes optocoupler chip U603, resistor R605, resistor R606 and capacitor C604, output signal I O5 to the motherboard microprocessor;
  • fourth signal conversion Circuit 4 includes optocoupler chip U604, resistor R607 and resistor R608, the speed feedback signal I 06 outputted by the motherboard microprocessor, and the speed feedback signal I 06 is processed by the fourth signal conversion circuit 4 to form a pulse signal and sent
  • the several unit circuits mentioned above also include an identification circuit 6 which outputs an identification signal BSEL to the mother circuit board so that the mother circuit board can identify the type of the daughter circuit board.
  • the specifications of the PWM speed control signal input from the above PWM port are: the voltage range is 12V-24V DC, and the frequency range is 80Hz-120Hz, which is conducive to standardizing the PWM speed control signal.
  • the specifications of the G port input signal mentioned above the voltage is 24V AC, and the frequency range is 50Hz-60Hz.
  • the above-mentioned mother circuit board provides +3.3V DC input power and ground terminal GND1 for the daughter circuit board.
  • the power input of the aforementioned V port is +15V DC input power.
  • the enable switch signal input port of the G port mentioned above is the fan mode start signal port, and the SW port is used to switch between constant torque operation mode and constant air volume operation mode, or to switch between constant torque operation mode and constant torque operation mode. Switch between speed operation modes.
  • this embodiment is a modification based on the first embodiment.
  • the modification points are: a sub-circuit board.
  • the sub-circuit board includes several units integrated on the sub-circuit board.
  • the sub-circuit board is used to plug into the mother circuit board of the motor controller to match the interface signals of the client control system.
  • the several unit circuits include a first signal conversion circuit 1A, a second signal conversion circuit 2A, and a third signal conversion circuit.
  • the signal conversion circuit 3A and the half-duplex two-way serial communication circuit are characterized in that: the sub-circuit board is connected with the user-side control system and is provided with a number of ports, and the plurality of ports include 5 gear signal input ports, PWM ports, GND2 port and R/T port, the 5 gear signal input ports are M1 port, M2 port, M3 port, M4 port and M5 port respectively. Among them:
  • the input signals of the M1 port and M2 port are converted by the first signal conversion circuit 1A provided on the sub-circuit board, and then combined into a signal input to the mother circuit board;
  • the first signal conversion circuit 1A is a photoelectric coupling circuit, which mainly includes a photoelectric coupling chip U401 , Resistor R401, Resistor R421, Capacitor C401, etc.
  • the gear signal of the M1 port is input to the input of the photoelectric coupling chip U401, and the gear signal of the M2 port is processed by half-wave rectification 8A and then the frequency is reduced by half before input to the photoelectric coupling
  • the input terminal of the chip U401, the specifications of the gear signal input from the M1 port or M2 port meet the following conditions: voltage 24VAC, the frequency range of the input voltage is: 50Hz-60Hz, the photoelectric coupling chip U401 processes the gear input signal and sends it To the motherboard microprocessor, through frequency discrimination, it can be judged whether it is the gear signal of the M1 port or the gear signal of the M2 port;
  • the input signals of the M3 port and M4 port are converted by the second signal conversion circuit 2A provided on the sub-circuit board and merged into a signal input to the mother circuit board;
  • the second signal conversion circuit 2A is a photoelectric coupling circuit, which mainly includes photoelectric coupling Chip U402, resistor R402, resistor R419, capacitor C402, etc.
  • the gear signal of the M3 port is input to the input of the photoelectric coupling chip U402
  • the gear signal of the M4 port is processed by half-wave rectification 8A and then the frequency is reduced by half before input
  • the input end of the photoelectric coupling chip U402, the specifications of the gear signal input from the M3 port or M4 port meet the following conditions: voltage 24VAC, the frequency range of the input voltage is: 50Hz-60Hz, the photoelectric coupling chip U402 processes the gear input signal After it is sent to the motherboard microprocessor, it can be judged whether it is the M3 port gear signal or the M4 port gear signal through frequency discrimination;
  • the input signals of the M5 port and the PWM port are converted by the third signal conversion circuit 3A provided on the sub-circuit board, and then combined into a signal input to the mother circuit board; among them, the PWM port is used for PWM signal input; the third signal conversion circuit 3A is
  • the photoelectric coupling circuit mainly includes photoelectric coupling chip U403, resistor R403, resistor R417, capacitor C403, etc.
  • the gear signal of the M5 port is input to the input end of the photoelectric coupling chip U403, and the gear signal of the PWM port is processed by half-wave rectification 8A. After the frequency is reduced by half, it is input to the input end of the photoelectric coupling chip U403.
  • the specifications of the gear signal input from the M5 port meet the following conditions: voltage 24VAC, the frequency range of the input voltage is: 50Hz-60Hz, photoelectric coupling chip U403 After processing the gear input signal, it is sent to the motherboard microprocessor. Through frequency discrimination, it can be judged whether it is the gear signal of the M5 port or the gear signal of the PWM port;
  • the gear signal (voltage 24VAC, input voltage frequency range: 50Hz-60Hz) of the M5 port is used in Figure 8 to obtain a DC DC power supply Vcc through the power conversion circuit 7A, and the DC DC power supply Vcc is a half-duplex bidirectional serial
  • the communication circuit 5A supplies power.
  • the gear signal of the M1 port, M2 port, M3 port, or M4 port can also be used as the input terminal of the power conversion circuit 7A.
  • R/T port serial communication port, this port is connected to the half-duplex bidirectional serial communication circuit 5A set on the sub-circuit board, and is used to transmit data between the mother circuit board of the motor controller and the user-side control system;
  • GND2 port this port is the common grounding terminal provided by the user-side control system for the sub-circuit board.
  • the sub-circuit board of the utility model is aimed at 5 gear signal input ports and 1 PWM port, and only uses 3 unit circuits including the first signal conversion circuit 1A, the second signal conversion circuit 2A, and the third signal conversion circuit 3A for processing. , Simplifying the circuit structure, reducing manufacturing costs, and facilitating signal matching with the client control system; in addition, the output signal of the first signal conversion circuit 1A is input to the mother circuit board through a port, and the output signal of the second signal conversion circuit 2A is passed through a port The port is input to the mother circuit board, and the output signal of the third signal conversion circuit 3A is input to the mother circuit board through a port, which can reduce the occupation of the input signal port resources of the motherboard microprocessor.
  • the first signal conversion circuit 1A is a photoelectric coupling circuit
  • the M1 port is connected to the input end of the first signal conversion circuit 1A
  • the M2 port is processed by half-wave rectification 8A to reduce the signal frequency by half and then connected to the first signal conversion circuit 1A ⁇ input terminal.
  • the second signal conversion circuit 2A is a photoelectric coupling circuit
  • the M3 port is connected to the input end of the second signal conversion circuit 2A
  • the M4 port is processed by half-wave rectification 8A to reduce the signal frequency by half and then connected to the second signal conversion circuit 2A ⁇ input terminal.
  • the third signal conversion circuit 3A is a photoelectric coupling circuit, the M5 port is connected to the input end of the third signal conversion circuit 3A, and the PWM port is processed by half-wave rectification 8A to reduce the signal frequency by half and then connected to the third signal conversion circuit 3A ⁇ input terminal.
  • the specifications of the input gear signal of the M1 port, M2 port, M3 port, M4 port, or M5 port meet the following conditions: the voltage is 24VAC, and the frequency range of the input voltage is: 50Hz-60Hz.
  • the frequency range of the input voltage is 80Hz-120Hz.
  • the aforementioned several unit circuits also include a power conversion circuit.
  • One of the M1 port, M2 port, M3 port, M4 port, or M5 port is connected to the input end of the power conversion circuit 7A, and the output Vcc of the power conversion circuit is half-double.
  • the two-way serial communication circuit 5A provides power supply, which is convenient to use and does not require power supply from the user-side control system.
  • the above-mentioned mother circuit board provides +3.3V DC input power and ground terminal GND1 for the daughter circuit board, simplifying the circuit structure of the daughter circuit board.
  • the above-mentioned several unit circuits also include an identity recognition circuit 6A.
  • the identity recognition circuit 6A provides an identification signal BSEL for identifying the type of the sub-circuit board to the mother circuit board, which is practical and convenient.
  • this embodiment is a modification on the basis of Embodiment 1.
  • the modification points are: a sub-circuit board, which includes a power conversion circuit 1B and a PWM signal processing circuit 3B , VSP signal processing circuit 2B, daughter board microprocessor 4B, serial communication circuit 6B and PWM signal generating circuit 5B, where:
  • the main circuit board of the motor controller provides DC input power for the power conversion circuit 1B, that is, provides two DC power sources of +15V and +5V and the ground terminal GND.
  • the power conversion circuit 1B outputs two DC power supplies and controls the system at the user end Power supply, respectively +12VDC, 3.3VDC two DC power supply and ground terminal GNDI SO;
  • the user-side control system inputs the PWM speed control signal to the interface sub-circuit board, and the PWM speed control signal is processed by the PWM signal processing circuit 3B and then outputs the PWM signal for input to the mother circuit board;
  • the user-side control system inputs the analog voltage speed control signal VSP to the sub-circuit board.
  • the analog voltage speed control signal VSP is processed by the VSP signal processing circuit 2B and input to the daughter board microprocessor 4B.
  • the daughter board microprocessor 4B drives the PWM signal generating circuit 5B.
  • the generated PWM signal is input to the mother circuit board;
  • the user-side control system uses the serial communication circuit 6B to communicate and exchange data with the mother circuit board.
  • the interface sub-circuit board of the utility model has both the PWM speed control function and the VSP speed control function, and can provide two power sources for the user-side control system, and has a serial port communication function, which has diverse functions and strong adaptability. It has a wide range of applications and can meet the diverse needs of customers.
  • the above-mentioned daughter board microprocessor 4B drives the PWM signal generated by the PWM signal generation circuit 5B and the PWM speed control signal is processed by the PWM signal processing circuit 3B, and then the output PWM signal is input to the bus circuit board through the same line, which can further simplify the circuit structure and reduce Occupy port resources.
  • the VSP input port has a signal input, the PWM input port is shielded; when the PWM input port signal is input, the VSP input port is shielded.
  • the above-mentioned power conversion circuit 1B outputs two DC power sources of +12V and +3.3V and supplies power to the user-side control system, which facilitates the use of the user-side control system.
  • the specifications of the above-mentioned user-side control system to input PWM speed control signal to the sub-circuit board are: the voltage range is 12V-24VDC, and the frequency range is 80Hz-120Hz.
  • the above-mentioned client control system inputs the specification of the analog voltage speed control signal VSP to the sub-circuit board: the voltage range is 0V-12V DC.
  • the 8 plug-in ports are M1, M2, M3, M4, M5, M6, M7, and M8 respectively.
  • the control system is connected and set at least 6 useful ports.
  • the 6 useful ports on the sub-circuit board are:
  • the sub-circuit board provides 12VDC power to the user-side control system
  • the user-side control system inputs PWM speed control signal to the sub-circuit board;
  • GNDISO input port the signal common ground provided by the user-side control system to the sub-circuit board
  • the user terminal control system inputs the analog voltage speed control signal VSP to the sub-circuit board;
  • the sub-circuit board provides 3.3VDC power to the user-side control system
  • R/T half-duplex serial communication port sub-circuit board and user-side control system for mutual data exchange.
  • a power input port V is also provided on the above-mentioned sub-circuit board.
  • the client control system uses the power input port V to provide power for the serial communication circuit, or the power conversion circuit 1B output +12V to provide power for the serial communication circuit. .
  • the above-mentioned it also includes an identification circuit 7B.
  • the identification circuit 7B provides an identification signal BSEL to the mother circuit board so that the mother circuit board can identify the interface type of the daughter circuit board.
  • the above-mentioned daughter circuit board and mother circuit board are provided with serial communication ports TXD and RXD.
  • the above-mentioned mother circuit board provides two DC input power sources of +15V and +5V and a ground port GND for the power conversion circuit.

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Abstract

A BLDC motor, comprising a motor controller and a motor body. The motor body comprises a stator component, a rotor component, and a motor housing. The motor controller comprises a motherboard and a daughterboard. The motherboard comprises a motherboard microprocessor, an inverter circuit, a power supply circuit, and a detection circuit. The daughterboard comprises several unitary circuits integrated on the daughterboard. The daughterboard is used for being plugged into the motherboard of the motor controller to match a client control system interface signal. A port of the daughterboard employs a novel electrical specification, favors the matching of a signal with a client control system of a user, forms a standard of increased universality, and facilitates management and application promotion.

Description

一种BLDC电机A BLDC motor 技术领域：Technical field:
本实用新型涉及一种BLDC电机。The utility model relates to a BLDC motor.
背景技术：Background technique:
见图1、图2所示，一般直流无刷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、转子部分和电机外壳，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***——即用户端控制***的控制接口匹配，因为不同的用户端控制***匹配不同的控制信号,例如空调控制***与洗衣机控制***都是用户端的控制***，两个***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***就开发一种电机及电机控制器，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***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。As shown in Figure 1 and Figure 2, the general brushless DC motor includes the motor entity and the motor controller. The motor entity includes the stator, rotor part and the motor housing of the motor. In addition to matching the motor entity, the motor controller also needs to be matched with the motor The specific application system-that is, the control interface of the user-side control system matches, because different user-side control systems match different control signals, for example, 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 totally different. The traditional approach is to develop a motor and motor controller for each user-side control system. This leads to the following problems: 1) There are many motor models produced by motor manufacturers, which are not easy to manage and standardize; 2) Waste development Time and investment in research and development, because every new user-side control system needs to re-develop a motor, which increases the manufacturing cost of the product; 3) Redesign requires a new production process and certification cost, which increases the investment; 4) Motor The application range is very narrow, and it is not convenient for large-scale promotion and application.
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，子线路板上的识别电路通知母线路板上的母版微处理器，由母版微处理器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。In order to solve the above technical problems, there are some motor controllers that dock with the daughter and mother circuit boards. The main functional circuits of the motor controller are set on the mother circuit board, and various interface unit circuits and identification circuits are set on multiple daughter boards. On the circuit board, one of the daughter circuit boards is used to connect with the mother circuit board. The identification circuit on the daughter circuit board informs the mother microprocessor on the mother circuit board, and the mother microprocessor automatically configures the I/ on the daughter circuit board. O port type, which can be used in different occasions by replacing different sub-circuit boards. It has a wide range of applications. Motor manufacturers reduce the types of motors for easy management, which can reduce motor R&D investment, shorten R&D cycles, reduce product costs, and simplify production Process, improve efficiency.
其具体的技术方案如图3、图4和图5所示，电机控制器包括母版微处理器、接口电路单元和识别电路，母版微处理器设置在母线路板上，接口电路单元、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，识别电路将识别信号输入到母版微处理器，母版微处理器根据识别信号自动配置接口电路单元的各个I/o端口的类型。不同种类的接口电路单元匹配的识别 电路输出不同的信号，形成多个不同的子线路板。母版微处理器的输出端连接功率驱动电路模块，转子位置检测电路的输出端连接母版微处理器的输入端，功率驱动电路模块和转子位置检测电路都设置在母线路板上。电源电路和模拟量检测电路也设置在母线路板上。电源电路为各部份电路供电。所述的母版微处理器是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3a，接插端口3a里面设置11路接线片，子线路板可以有多个，分别为第一子线路板、第二子线路板和第三子线路板，接插端口3a上11路接线片分别为E、N、L、M1、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，M1、M2、M3、M4、M5、M6、M7、M8是用户端控制***输入到子线路板的接口信号。在母线路板上设置有插槽1a，子线路板上设置有插接头2a，插接头2a嵌套在插槽1a里面，使子线路板与母线路板电连接起来。The specific technical solutions are shown in Figure 3, Figure 4 and Figure 5. The motor controller includes a motherboard microprocessor, an interface circuit unit and an identification circuit. The motherboard microprocessor is set on the motherboard, and the interface circuit unit, The identification circuit is set on the daughter circuit board, and forms an electrical connection through the docking of the daughter circuit board and the mother circuit board. The identification circuit inputs the identification signal to the motherboard microprocessor, and the motherboard microprocessor automatically configures the interface circuit unit according to the identification signal. The type of each I/o port. Different types of interface circuit units matching identification circuits output different signals to form multiple different sub-circuit boards. The output end of the motherboard microprocessor is connected to the power drive circuit module, the output end of the rotor position detection circuit is connected to the input end of the motherboard microprocessor, and the power drive circuit module and the rotor position detection circuit are both arranged on the mother circuit board. The power supply circuit and the analog quantity detection circuit are also arranged on the mother circuit board. The power circuit supplies power for each part of the circuit. The said motherboard microprocessor is a CPU or a single-chip MCU or a digital signal processor DSP. The mother circuit board is provided with a plug-in port 3a, and 11-way lugs are provided in the plug-in port 3a. There can be multiple sub-circuit boards, namely the first sub-circuit board, the second sub-circuit board and the third sub-circuit board. The 11 lugs on the plug-in port 3a are E, N, L, M1, M2, M3, M4, M5, M6, M7, M8. Each lug can be defined according to the following standards. The three E, N, and L channels are Power input, M1, M2, M3, M4, M5, M6, M7, M8 are the interface signals input by the client control system to the sub-circuit board. A slot 1a is provided on the mother circuit board, and a plug connector 2a is provided on the sub circuit board. The plug connector 2a is nested in the slot 1a to electrically connect the sub circuit board and the mother circuit board.
但是为了规范子线路板的信号模式，简化子线路板的结构，降低制造成本，避免太多太泛滥，便于与客户用户端控制***匹配信号，有必要对子线路板的作出合理规范，达到基本一致的电气标准，便于管理和推广应用。However, in order to standardize the signal mode of the sub-circuit board, simplify the structure of the sub-circuit board, reduce the manufacturing cost, avoid too much and too much flooding, and facilitate the matching of signals with the client control system, it is necessary to make reasonable specifications for the sub-circuit board to achieve the basic Consistent electrical standards are easy to manage, promote and apply.
发明内容：Summary of the invention:
本实用新型的目的是提供一种BLDC电机，它采用新的电气规范，较为简单电路结构，便于与客户用户端控制***匹配信号，形成一个较为通用的标准，降低生产成本，避免子线路板的形式太多太泛滥，便于管理和推广应用。The purpose of the utility model is to provide a BLDC motor, which adopts new electrical specifications, has a relatively simple circuit structure, is convenient to match the signal with the client control system, and forms a relatively common standard, reduces production costs, and avoids sub-circuit board Too many forms are too widespread, easy to manage and promote applications.
本实用新型的目的是通过下述技术方案予以实现的：The purpose of the utility model is achieved through the following technical solutions:
一种BLDC电机，包括电机控制器和电机本体，电机本体包括定子组件、转子组件和电机外壳，电机控制器包括母线路板和子线路板，母线路板包括母版微处理器、逆变电路、电源电路和检测电路，其特征在于：子线路板包括集成在子线路板上的若干个单元电路，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***接口信号。A BLDC motor includes a motor controller and a motor body. The motor body includes a stator assembly, a rotor assembly and a motor housing. The motor controller includes a mother circuit board and a daughter circuit board. The mother circuit board includes a mother microprocessor, an inverter circuit, The power supply circuit and the detection circuit are characterized in that the sub-circuit board includes a number of unit circuits integrated on the sub-circuit board, and the sub-circuit board is used to plug into the mother circuit board of the motor controller to match the interface signal of the user terminal control system.
上述所述的若干个单元电路包括第一信号转换电路、第二信号转换电路、 第三信号转换电路、第四信号转换电路和半双工双向串行通信电路，子线路板与用户端控制***连接设置若干路端口，所述的若干路端口分别为：The several unit circuits mentioned above include the first signal conversion circuit, the second signal conversion circuit, the third signal conversion circuit, the fourth signal conversion circuit and the half-duplex two-way serial communication circuit, the sub-circuit board and the user terminal control system Several ports are set for connection, and the ports are as follows:
PWM端口，用于PWM信号输入，PWM信号由子线路板上设置的第一信号转换电路转换后输入到母线路板；The PWM port is used for PWM signal input. The PWM signal is converted by the first signal conversion circuit set on the sub-circuit board and then input to the mother circuit board;
G端口:使能开关信号输入端口，该端口信号由子线路板上设置的第二信号转换电路来转换后输入到母线路板；G port: enable switch signal input port, the port signal is converted by the second signal conversion circuit set on the sub-circuit board and then input to the mother circuit board;
SW端口:运行模式切换信号输入端口，该端口信号由子线路板上设置的第三信号转换电路来转换后输入到母线路板；SW port: operating mode switching signal input port, the port signal is converted by the third signal conversion circuit set on the sub-circuit board and then input to the mother circuit board;
FG端口，速度反馈信号输出端口，该端口信号与子线路板上设置的第四信号转换电路相连接，母线路板将电机运行的转速信号通过第四信号转换电路进行转换后由FG端口输出；FG port, speed feedback signal output port, the signal of this port is connected with the fourth signal conversion circuit set on the sub-circuit board, the mother circuit board converts the rotation speed signal of the motor operation through the fourth signal conversion circuit and then outputs it from the FG port;
J1端口，跳线端口，PWM信号输入端口通过子线路板上的印刷线路与J1端口电连接，当J1端口通过外部的跳线开关K连接到SW端口以便进行运行模式切换；J1 port, jumper port, PWM signal input port is electrically connected to J1 port through a printed circuit on the sub-circuit board, when J1 port is connected to SW port through an external jumper switch K for operating mode switching;
R/T端口，串行通信端口，该端口与子线路板上设置的半双工双向串行通信电路连接，用于电机控制器的母线路板与用户端控制***之间传输数据；R/T port, serial communication port, this port is connected with the half-duplex bidirectional serial communication circuit set on the sub-circuit board, and is used to transmit data between the mother circuit board of the motor controller and the user-side control system;
GND2端口，该端口是由用户端控制***为子线路板提供的公共接地端；GND2 port, this port is the common grounding terminal provided by the user-side control system for the sub-circuit board;
V端口，电源输入端口，该端口是由用户端控制***为子线路板提供直流电源，V端口输入的电源为半双工双向串行通信电路供电。V port, power input port, this port is used by the user-side control system to provide DC power for the sub-circuit board, and the power input from the V port provides power for the half-duplex bidirectional serial communication circuit.
上述所述的第一信号转换电路、第二信号转换电路、第三信号转换电路、第四信号转换电路都是光电耦合电路，所述的若干个单元电路还包括识别电路，识别电路输出识别信号BSEL到母线路板，以便母线路板能识别子线路板的类型。The first signal conversion circuit, the second signal conversion circuit, the third signal conversion circuit, and the fourth signal conversion circuit described above are all photoelectric coupling circuits, and the several unit circuits also include identification circuits, which output identification signals BSEL to the mother circuit board so that the mother circuit board can identify the type of the daughter circuit board.
上述所述的PWM端口输入的PWM调速信号的规格是：电压范围在12V-24V DC，频率范围在80Hz-120Hz，G端口输入信号的规格：电压是24V AC，频率范围在50Hz-60Hz。The specifications of the PWM speed control signal input from the PWM port mentioned above are: the voltage range is 12V-24V DC, the frequency range is 80Hz-120Hz, and the G port input signal specifications: the voltage is 24V AC, and the frequency range is 50Hz-60Hz.
上述所述的母线路板为子线路板提供+3.3V直流输入电源和提供接地端GND1，V端口的电源输入是+15V直流输入电源，G端口所述的使能开关信号输入端口是风扇模式启动信号端口，SW端口是用于在恒力矩运行模式与恒风量运行模式之间的切换，或者是在在恒力矩运行模式与恒转速运行模式之间的切换。The above-mentioned mother circuit board provides +3.3V DC input power and ground terminal GND1 for the daughter circuit board, the power input of the V port is +15V DC input power, and the enable switch signal input port of the G port is in fan mode Start signal port, SW port is used to switch between constant torque operation mode and constant air volume operation mode, or switch between constant torque operation mode and constant speed operation mode.
上述所述的若干路端口包括5个档位信号输入端口、PWM端口、GND2端口和R/T端口，5个档位信号输入端口分别为M1端口、M2端口、M3端口、M4端口和M5端口，其中：The several ports mentioned above include 5 gear signal input ports, PWM port, GND2 port and R/T port. The 5 gear signal input ports are M1 port, M2 port, M3 port, M4 port and M5 port. ,among them:
M1端口和M2端口的输入信号由子线路板上设置的第一信号转换电路来转换后合并为一路信号输入到母线路板；The input signals of the M1 port and the M2 port are converted by the first signal conversion circuit provided on the sub-circuit board and then combined into one signal and input to the mother circuit board;
M3端口和M4端口的输入信号由子线路板上设置的第二信号转换电路来转换后合并为一路信号输入输入到母线路板；The input signals of the M3 port and the M4 port are converted by the second signal conversion circuit provided on the sub-circuit board and combined into one signal input and input to the mother circuit board;
M5端口和PWM端口的输入信号由子线路板上设置的第三信号转换电路来转换后合并为一路信号输入到母线路板；其中，PWM端口用于PWM信号输入；The input signals of the M5 port and the PWM port are converted by the third signal conversion circuit provided on the sub-circuit board and then combined into one signal and input to the mother circuit board; among them, the PWM port is used for PWM signal input;
R/T端口，串行通信端口，该端口与子线路板上设置的半双工双向串行通信电路连接，用于电机控制器的母线路板与用户端控制***之间传输数据；R/T port, serial communication port, this port is connected with the half-duplex bidirectional serial communication circuit set on the sub-circuit board, and is used to transmit data between the mother circuit board of the motor controller and the user-side control system;
GND2端口，该端口是由用户端控制***为子线路板提供的公共接地端。GND2 port, this port is the common grounding terminal provided by the user-side control system for the sub-circuit board.
上述所述的第一信号转换电路是光电耦合电路，M1端口连接到第一信号转换电路的输入端，M2端口经过半波整流处理将信号频率降低一半后连接到第一信号转换电路的输入端，所述的第二信号转换电路是光电耦合电路，M3端口连接到第二信号转换电路的输入端，M4端口经过半波整流处理将信号频率降低一半后连接到第二信号转换电路的输入端。The above-mentioned first signal conversion circuit is a photoelectric coupling circuit, the M1 port is connected to the input terminal of the first signal conversion circuit, and the M2 port is connected to the input terminal of the first signal conversion circuit after the signal frequency is reduced by half through half-wave rectification processing The second signal conversion circuit is a photoelectric coupling circuit, the M3 port is connected to the input end of the second signal conversion circuit, and the M4 port is half-wave rectified to reduce the signal frequency by half and then connected to the input end of the second signal conversion circuit .
上述所述的第三信号转换电路是光电耦合电路，M5端口连接到第三信号转换电路的输入端，PWM端口经过半波整流处理将信号频率降低一半后连接到第三信号转换电路的输入端，M1端口或M2端口或M3端口或M4端口或M5端口的输入档位信号的规格满足条件如下：电压24VAC，输入电压的频率范围 是：50Hz-60Hz。The above-mentioned third signal conversion circuit is a photoelectric coupling circuit, the M5 port is connected to the input end of the third signal conversion circuit, and the PWM port is connected to the input end of the third signal conversion circuit after the signal frequency is reduced by half through half-wave rectification. , M1 port or M2 port or M3 port or M4 port or M5 port input gear signal specifications meet the following conditions: voltage 24VAC, input voltage frequency range: 50Hz-60Hz.
上述所述的电压范围：12VDC-24VDC，输入电压的频率范围是80Hz-120Hz，若干个单元电路还包括电源转换电路，M1端口或M2端口或M3端口或M4端口或M5端口的其中一个端口连接到电源转换电路的输入端，电源转换电路的输出端Vcc为半双工双向串行通信电路提供供电电源。The above-mentioned voltage range: 12VDC-24VDC, the frequency range of the input voltage is 80Hz-120Hz, several unit circuits also include power conversion circuits, M1 port or M2 port or M3 port or M4 port or M5 port is connected to one of the ports To the input terminal of the power conversion circuit, the output terminal Vcc of the power conversion circuit provides power supply for the half-duplex bidirectional serial communication circuit.
上述所述的母线路板为子线路板提供+3.3V直流输入电源和提供接地端GND1，若干个单元电路还包括身份识别电路，身份识别电路向母线路板提供识别子线路板类型的识别信号BSEL。The above-mentioned mother circuit board provides +3.3V DC input power and ground terminal GND1 for the daughter circuit board. Several unit circuits also include identification circuits, which provide identification signals for identifying the type of the daughter circuit boards to the mother circuit board. BSEL.
上述所述的若干个单元电路包括电源转换电路、PWM信号处理电路、VSP信号处理电路、子板微处理器、串行通信电路和PWM信号发生电路，其中：The several unit circuits mentioned above include a power conversion circuit, a PWM signal processing circuit, a VSP signal processing circuit, a daughter board microprocessor, a serial communication circuit and a PWM signal generating circuit, among which:
电机控制器的母线路板上为电源转换电路提供直流输入电源，电源转换电路输出两路直流电源并向用户端控制***供电；The bus circuit board of the motor controller provides DC input power for the power conversion circuit, and the power conversion circuit outputs two DC power sources and supplies power to the user-side control system;
用户端控制***向接口子线路板输入PWM调速信号，PWM调速信号经过PWM信号处理电路处理后输出PWM信号输入到母线路板；The user-side control system inputs the PWM speed control signal to the interface sub-circuit board, and the PWM speed control signal is processed by the PWM signal processing circuit and then outputs the PWM signal for input to the mother circuit board;
用户端控制***向子线路板输入模拟电压调速信号VSP，模拟电压调速信号VSP经过VSP信号处理电路处理输入到子板微处理器，子板微处理器驱动PWM信号发生电路产生的PWM信号输入到母线路板；The user-side control system inputs the analog voltage speed control signal VSP to the sub-circuit board. The analog voltage speed control signal VSP is processed by the VSP signal processing circuit and input to the daughter board microprocessor. The daughter board microprocessor drives the PWM signal generated by the PWM signal generating circuit. Input to the mother circuit board;
用户端控制***利用串行通信电路与母线路板进行通信和数据交换。The user end control system uses the serial communication circuit to communicate and exchange data with the mother circuit board.
上述所述的子板微处理器驱动PWM信号发生电路产生的PWM信号和PWM调速信号经过PWM信号处理电路处理后输出PWM信号经过同一线路输入到母线路板。The above-mentioned daughter board microprocessor drives the PWM signal and PWM speed control signal generated by the PWM signal generating circuit to be processed by the PWM signal processing circuit, and then the output PWM signal is input to the mother circuit board through the same line.
上述所述的电源转换电路输出+12V和+3.3V两路直流电源并向用户端控制***供电，用户端控制***向子线路板输入PWM调速信号的规格是：电压范围在12V-24VDC，频率范围在80Hz-120Hz，用户端控制***向子线路板输入模拟电压调速信号VSP的规格：电压范围在0V-12V DC。The above-mentioned power conversion circuit outputs +12V and +3.3V two DC power supplies and supplies power to the user-side control system. The user-side control system inputs the PWM speed control signal to the sub-circuit board. The specification is: the voltage range is 12V-24VDC, The frequency range is 80Hz-120Hz, and the user-side control system inputs the analog voltage speed control signal VSP specification to the sub-circuit board: the voltage range is 0V-12V DC.
上述所述的子线路板与用户端控制***连接并至少设置6个有用的端 口，在子线路板上这6个有用的端口分别为：The above-mentioned sub-circuit board is connected to the user-side control system and at least 6 useful ports are provided. The 6 useful ports on the sub-circuit board are:
12V电源输出端口，子线路板向用户端控制***提供12VDC电源；12V power output port, the sub-circuit board provides 12VDC power to the user-side control system;
INPWM输入端口，用户端控制***向子线路板输入PWM调速信号；INPWM input port, the user-side control system inputs PWM speed control signal to the sub-circuit board;
GNDISO输入端口，用户端控制***向子线路板提供的信号公共地；GNDISO input port, the signal common ground provided by the user-side control system to the sub-circuit board;
VSP输入端口，用户端控制***向子线路板输入模拟电压调速信号VSP；VSP input port, the user terminal control system inputs the analog voltage speed control signal VSP to the sub-circuit board;
3.3V电源输出端口，子线路板向用户端控制***提供3.3VDC电源；3.3V power output port, the sub-circuit board provides 3.3VDC power to the user-side control system;
R/T半双工串行通信端口，子线路板与用户端控制***进行相互数据交换。R/T half-duplex serial communication port, sub-circuit board and user-side control system for mutual data exchange.
上述在子线路板上还设置有一个电源输入端口V，户端控制***提供利用电源输入端口V为串行通信电路提供电源，若干个单元电路还包括身份识别电路，身份识别电路向母线路板提供识别信号BSEL，子线路板与母线路板设置串行通信端口TXD和RXD，母线路板上为电源转换电路提供+15V和+5V的两路直流输入电源和提供接地端口GND。A power input port V is also provided on the above-mentioned sub-circuit board. The client control system uses the power input port V to provide power for the serial communication circuit. Several unit circuits also include an identification circuit, which is connected to the mother circuit board. Provide the identification signal BSEL, the serial communication ports TXD and RXD are set on the daughter circuit board and the mother circuit board, and the mother circuit board provides +15V and +5V DC input power for the power conversion circuit and provides the grounding port GND.
本实用新型与现有技术相比，具有如下效果：Compared with the prior art, the utility model has the following effects:
1、本实用新型的子线路板与用户端控制***连接设置若干路端口采用较为简单的电气规范标准，简化电路结构，降低制造成本，便于与客户用户端控制***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。1. The sub-circuit board of the present utility model is connected with the user-side control system to set a number of ports to adopt relatively simple electrical specifications, simplify the circuit structure, reduce manufacturing costs, and facilitate signal matching with the client-side control system to form a more universal Standards, to avoid too many forms of sub-circuit boards, easy to manage and promote applications.
2、本实用新型的其它优点在实施例部分展开详细描述。2. The other advantages of the utility model are described in detail in the embodiment section.
附图说明：Description of the drawings:
图1是传统电机控制器与用户端控制***的接线图；Figure 1 is a wiring diagram of the traditional motor controller and the user-side control system;
图2是传统电机控制器的原理方框图；Figure 2 is a schematic block diagram of a traditional motor controller;
图3是传统电机控制器的采用子母线路板的原理示意图；Figure 3 is a schematic diagram of the principle of a traditional motor controller using a daughter-in-circuit board;
图4是传统电机控制器的母线路板的外观示意图；Figure 4 is a schematic diagram of the appearance of a mother circuit board of a traditional motor controller;
图5是传统电机控制器的子线路板的外观示意图；Figure 5 is a schematic diagram of the appearance of a sub-circuit board of a conventional motor controller;
图6是本实用新型的实施例一的子线路板的电路方框图；Figure 6 is a circuit block diagram of the sub-circuit board of the first embodiment of the present invention;
图7是图6对应的部分电路图；Figure 7 is a partial circuit diagram corresponding to Figure 6;
图8是图6对应的另一部分电路图；FIG. 8 is another part of the circuit diagram corresponding to FIG. 6;
图9是本实用新型的实施例一的电机控制器的方框图。Fig. 9 is a block diagram of the motor controller of the first embodiment of the present invention.
图10是本实用新型的实施例二的子线路板的电路方框图；Figure 10 is a circuit block diagram of a sub-circuit board of the second embodiment of the present invention;
图11是图10对应的第一部分局部电路图；FIG. 11 is a partial circuit diagram of the first part corresponding to FIG. 10;
图12是图10对应的第二部分局部电路图；FIG. 12 is a partial circuit diagram of the second part corresponding to FIG. 10;
图13是图10对应的第三部分局部电路图；FIG. 13 is a partial circuit diagram of the third part corresponding to FIG. 10;
图14是本实用新型实施例三的子线路板的电路方框图；Figure 14 is a circuit block diagram of a sub-circuit board of the third embodiment of the present invention;
图15是图14对应的局部电路图；Fig. 15 is a partial circuit diagram corresponding to Fig. 14;
图16是图14对应的局部电路图；Fig. 16 is a partial circuit diagram corresponding to Fig. 14;
图17是图14对应的局部电路图。Fig. 17 is a partial circuit diagram corresponding to Fig. 14.
具体实施方式：detailed description:
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：Hereinafter, the present utility model will be further described in detail through specific embodiments in conjunction with the drawings:
实施例一：Example one:
如图6、图7、图8、图9所示，一种BLDC电机，包括电机控制器和电机本体，电机本体包括定子组件、转子组件和电机外壳，电机控制器包括母线路板和子线路板，母线路板包括母版微处理器、逆变电路、电源电路和检测电路，其特征在于：子线路板是包括集成在子线路板上的若干个单元电路，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***接口信号，所述的若干个单元电路包括第一信号转换电路1、第二信号转换电路2、第三信号转换电路3、第四信号转换电路4和半双工双向串行通信电路5，其特征在于：子线路板与用户端控制***连接设置若干路端口，所述的若干路端口分别为：As shown in Figure 6, Figure 7, Figure 8, and Figure 9, a BLDC motor includes a motor controller and a motor body. The motor body includes a stator assembly, a rotor assembly and a motor housing. The motor controller includes a mother circuit board and a daughter circuit board. , The mother circuit board includes a mother microprocessor, an inverter circuit, a power supply circuit and a detection circuit, and is characterized in that: the daughter circuit board includes several unit circuits integrated on the daughter circuit board, and the daughter circuit board is used to plug in The mother circuit board of the motor controller matches the interface signal of the user end control system. The several unit circuits include a first signal conversion circuit 1, a second signal conversion circuit 2, a third signal conversion circuit 3, and a fourth signal conversion circuit 4 and the half-duplex two-way serial communication circuit 5, characterized in that: the sub-circuit board is connected with the user-side control system to set up several ports, and the several ports are:
PWM端口，用于PWM信号输入，PWM信号由子线路板上设置的第一信号转换电路1转换后输入到母线路板；The PWM port is used for PWM signal input. The PWM signal is converted by the first signal conversion circuit 1 provided on the sub-circuit board and then input to the mother circuit board;
G端口:使能开关信号输入端口，该端口信号由子线路板上设置的第二信号转换电路2来转换后输入到母线路板；G port: enable switch signal input port, the port signal is converted by the second signal conversion circuit 2 provided on the sub-circuit board and then input to the mother circuit board;
SW端口:运行模式切换信号输入端口，该端口信号由子线路板上设置的第三信号转换电路3来转换后输入到母线路板；SW port: operating mode switching signal input port, the signal of this port is converted by the third signal conversion circuit 3 provided on the sub-circuit board and then input to the mother circuit board;
FG端口，速度反馈信号输出端口，该端口信号与子线路板上设置的第四信号转换电路4相连接，母线路板将电机运行的转速信号通过第四信号转换电路进行转换后由FG端口输出，速度反馈信号是脉冲信号，以每转一圈产生多小个脉冲信号计算；FG port, speed feedback signal output port. The signal of this port is connected to the fourth signal conversion circuit 4 set on the sub-circuit board. The mother circuit board converts the rotation speed signal of the motor operation through the fourth signal conversion circuit and outputs it from the FG port , The speed feedback signal is a pulse signal, calculated based on how many small pulse signals are generated per revolution;
J1端口，跳线端口，PWM端口通过子线路板上的印刷线路7与J1端口电连接，当J1端口通过外部的跳线开关K连接到SW端口以便进行运行模式切换；直接利用PWM端口输入的PWM通过子线路板上的一条印刷线路7、J1端口、跳线开关K后到达SW端口进行运行模式切换，无需外部驱动电源，简化结构，降低制造成本。J1 port, jumper port, PWM port is electrically connected to J1 port through printed circuit 7 on the sub-circuit board, when J1 port is connected to SW port through external jumper switch K to switch the operating mode; directly use PWM port input The PWM reaches the SW port to switch the operation mode through a printed circuit 7, J1 port, and jumper switch K on the sub-circuit board, without external driving power, simplifying the structure and reducing manufacturing costs.
R/T端口，串行通信端口，该端口与子线路板上设置的半双工双向串行通信电路5连接，用于电机控制器的母线路板与用户端控制***之间传输数据；R/T port, serial communication port, this port is connected to the half-duplex bidirectional serial communication circuit 5 set on the sub-circuit board, and is used to transmit data between the mother circuit board of the motor controller and the user-side control system;
GND2端口，该端口是由用户端控制***为子线路板提供的公共接地端；GND2 port, this port is the common grounding terminal provided by the user-side control system for the sub-circuit board;
V端口，电源输入端口，该端口是由用户端控制***为子线路板提供直流电源，V端口输入的电源为半双工双向串行通信电路5供电。The V port is a power input port. This port is used by the user-side control system to provide DC power to the sub-circuit board, and the power input from the V port provides power for the half-duplex bidirectional serial communication circuit 5.
本实用新型的若干路端口采用较为简单的电气规范标准，简化电路结构，降低制造成本，便于与客户用户端控制***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Several ports of the utility model adopt relatively simple electrical specification standards, simplify the circuit structure, reduce manufacturing costs, and facilitate the matching of signals with the client control system, forming a relatively general standard, and avoiding too many sub-circuit boards. , Easy to manage and promote applications
上述所述的第一信号转换电路1、第二信号转换电路2、第三信号转换电3路、第四信号转换电路4都是光电耦合电路。第一信号转换电路1包括光耦芯片U601、电阻R601、电阻R602和电容C601，输出信号I O1到母板微处理器；第二信号转换电路2包括光耦芯片U602、电阻R603、电阻R604和电容C602，输出信号I O3到母板微处理器；第三信号转换电3包括光耦芯片U603、 电阻R605、电阻R606和电容C604，输出信号I O5到母板微处理器；第四信号转换电路4包括光耦芯片U604、电阻R607和电阻R608，母板微处理器的输出的速度反馈信号I O6，速度反馈信号I O6经过第四信号转换电路4处理后形成脉冲信号通过FG端口送到用户端控制***。The above-mentioned first signal conversion circuit 1, second signal conversion circuit 2, third signal conversion circuit 3, and fourth signal conversion circuit 4 are all photoelectric coupling circuits. The first signal conversion circuit 1 includes an optocoupler chip U601, a resistor R601, a resistor R602, and a capacitor C601, and the output signal I O1 is sent to the motherboard microprocessor; the second signal conversion circuit 2 includes an optocoupler chip U602, a resistor R603, a resistor R604, and Capacitor C602, output signal I O3 to the motherboard microprocessor; the third signal conversion circuit 3 includes optocoupler chip U603, resistor R605, resistor R606 and capacitor C604, output signal I O5 to the motherboard microprocessor; fourth signal conversion Circuit 4 includes optocoupler chip U604, resistor R607 and resistor R608, the speed feedback signal I 06 outputted by the motherboard microprocessor, and the speed feedback signal I 06 is processed by the fourth signal conversion circuit 4 to form a pulse signal and sent through the FG port User-side control system.
上述所述的若干个单元电路还包括识别电路6，识别电路6输出识别信号BSEL到母线路板，以便母线路板能识别子线路板的类型。The several unit circuits mentioned above also include an identification circuit 6 which outputs an identification signal BSEL to the mother circuit board so that the mother circuit board can identify the type of the daughter circuit board.
上述的PWM端口输入的PWM调速信号的规格是：电压范围在12V-24V DC，频率范围在80Hz-120Hz，有利于规范PWM调速信号。The specifications of the PWM speed control signal input from the above PWM port are: the voltage range is 12V-24V DC, and the frequency range is 80Hz-120Hz, which is conducive to standardizing the PWM speed control signal.
上述的G端口输入信号的规格：电压是24V AC，频率范围在50Hz-60Hz。The specifications of the G port input signal mentioned above: the voltage is 24V AC, and the frequency range is 50Hz-60Hz.
上述的母线路板为子线路板提供+3.3V直流输入电源和提供接地端GND1。The above-mentioned mother circuit board provides +3.3V DC input power and ground terminal GND1 for the daughter circuit board.
上述的V端口的电源输入是+15V直流输入电源。The power input of the aforementioned V port is +15V DC input power.
上述的G端口所述的使能开关信号输入端口是风扇模式启动信号端口，SW端口是用于在恒力矩运行模式与恒风量运行模式之间的切换，或者是在在恒力矩运行模式与恒转速运行模式之间的切换。The enable switch signal input port of the G port mentioned above is the fan mode start signal port, and the SW port is used to switch between constant torque operation mode and constant air volume operation mode, or to switch between constant torque operation mode and constant torque operation mode. Switch between speed operation modes.
实施例二：Embodiment two:
如图10、图11、图12和图13所示，本实施例是在实施例一基础上的改动，改动点是：子线路板，子线路板包括集成在子线路板上的若干个单元电路，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***接口信号，所述的若干个单元电路包括第一信号转换电路1A、第二信号转换电路2A、第三信号转换电路3A和半双工双向串行通信电路，其特征在于：子线路板与用户端控制***连接设置若干路端口，所述的若干路端口包括5个档位信号输入端口、PWM端口、GND2端口和R/T端口，5个档位信号输入端口分别为M1端口、M2端口、M3端口、M4端口和M5端口，其中：As shown in Fig. 10, Fig. 11, Fig. 12 and Fig. 13, this embodiment is a modification based on the first embodiment. The modification points are: a sub-circuit board. The sub-circuit board includes several units integrated on the sub-circuit board. The sub-circuit board is used to plug into the mother circuit board of the motor controller to match the interface signals of the client control system. The several unit circuits include a first signal conversion circuit 1A, a second signal conversion circuit 2A, and a third signal conversion circuit. The signal conversion circuit 3A and the half-duplex two-way serial communication circuit are characterized in that: the sub-circuit board is connected with the user-side control system and is provided with a number of ports, and the plurality of ports include 5 gear signal input ports, PWM ports, GND2 port and R/T port, the 5 gear signal input ports are M1 port, M2 port, M3 port, M4 port and M5 port respectively. Among them:
M1端口和M2端口的输入信号由子线路板上设置的第一信号转换电路1A来转换后合并为一路信号输入到母线路板；第一信号转换电路1A是光电耦合 电路，主要包括光电耦合芯片U401、电阻R401、电阻R421、电容C401等，M1端口的档位信号输入到光电耦合芯片U401的输入端，M2端口的档位信号先经过半波整流8A处理后使频率降低一半后输入到光电耦合芯片U401的输入端，所述的M1端口或M2端口输入的档位信号的规格满足条件如下：电压24VAC，输入电压的频率范围是：50Hz-60Hz，光电耦合芯片U401处理档位输入信号后送到母板微处理器，通过频率的鉴别可以判断出是M1端口的档位信号还是M2端口的档位信号；The input signals of the M1 port and M2 port are converted by the first signal conversion circuit 1A provided on the sub-circuit board, and then combined into a signal input to the mother circuit board; the first signal conversion circuit 1A is a photoelectric coupling circuit, which mainly includes a photoelectric coupling chip U401 , Resistor R401, Resistor R421, Capacitor C401, etc. The gear signal of the M1 port is input to the input of the photoelectric coupling chip U401, and the gear signal of the M2 port is processed by half-wave rectification 8A and then the frequency is reduced by half before input to the photoelectric coupling The input terminal of the chip U401, the specifications of the gear signal input from the M1 port or M2 port meet the following conditions: voltage 24VAC, the frequency range of the input voltage is: 50Hz-60Hz, the photoelectric coupling chip U401 processes the gear input signal and sends it To the motherboard microprocessor, through frequency discrimination, it can be judged whether it is the gear signal of the M1 port or the gear signal of the M2 port;
M3端口和M4端口的输入信号由子线路板上设置的第二信号转换电路2A来转换后合并为一路信号输入到母线路板的信号；第二信号转换电路2A是光电耦合电路，主要包括光电耦合芯片U402、电阻R402、电阻R419、电容C402等，M3端口的档位信号输入到光电耦合芯片U402的输入端，M4端口的档位信号先经过半波整流8A处理后使频率降低一半后输入到光电耦合芯片U402的输入端，所述的M3端口或M4端口输入的档位信号的规格满足条件如下：电压24VAC，输入电压的频率范围是：50Hz-60Hz，光电耦合芯片U402处理档位输入信号后送到母板微处理器，通过频率的鉴别可以判断出是M3端口的档位信号还是M4端口的档位信号；The input signals of the M3 port and M4 port are converted by the second signal conversion circuit 2A provided on the sub-circuit board and merged into a signal input to the mother circuit board; the second signal conversion circuit 2A is a photoelectric coupling circuit, which mainly includes photoelectric coupling Chip U402, resistor R402, resistor R419, capacitor C402, etc., the gear signal of the M3 port is input to the input of the photoelectric coupling chip U402, and the gear signal of the M4 port is processed by half-wave rectification 8A and then the frequency is reduced by half before input The input end of the photoelectric coupling chip U402, the specifications of the gear signal input from the M3 port or M4 port meet the following conditions: voltage 24VAC, the frequency range of the input voltage is: 50Hz-60Hz, the photoelectric coupling chip U402 processes the gear input signal After it is sent to the motherboard microprocessor, it can be judged whether it is the M3 port gear signal or the M4 port gear signal through frequency discrimination;
M5端口和PWM端口的输入信号由子线路板上设置的第三信号转换电路3A来转换后合并为一路信号输入到母线路板；其中，PWM端口用于PWM信号输入；第三信号转换电路3A是光电耦合电路，主要包括光电耦合芯片U403、电阻R403、电阻R417、电容C403等，M5端口的档位信号输入到光电耦合芯片U403的输入端，PWM端口的档位信号先经过半波整流8A处理后使频率降低一半后输入到光电耦合芯片U403的输入端，所述的M5端口输入的档位信号的规格满足条件如下：电压24VAC，输入电压的频率范围是：50Hz-60Hz，光电耦合芯片U403处理档位输入信号后送到母板微处理器，通过频率的鉴别可以判断出是M5端口的档位信号还是PWM端口的档位信号；The input signals of the M5 port and the PWM port are converted by the third signal conversion circuit 3A provided on the sub-circuit board, and then combined into a signal input to the mother circuit board; among them, the PWM port is used for PWM signal input; the third signal conversion circuit 3A is The photoelectric coupling circuit mainly includes photoelectric coupling chip U403, resistor R403, resistor R417, capacitor C403, etc. The gear signal of the M5 port is input to the input end of the photoelectric coupling chip U403, and the gear signal of the PWM port is processed by half-wave rectification 8A. After the frequency is reduced by half, it is input to the input end of the photoelectric coupling chip U403. The specifications of the gear signal input from the M5 port meet the following conditions: voltage 24VAC, the frequency range of the input voltage is: 50Hz-60Hz, photoelectric coupling chip U403 After processing the gear input signal, it is sent to the motherboard microprocessor. Through frequency discrimination, it can be judged whether it is the gear signal of the M5 port or the gear signal of the PWM port;
另外，图8中利用M5端口的档位信号(电压24VAC，输入电压的频率范 围是：50Hz-60Hz)通过电源转换电路7A得到一个直流DC电源Vcc,直流DC电源Vcc为半双工双向串行通信电路5A供电，当然利用M1端口或者M2端口或者M3端口或者M4端口的档位信号也可以作为电源转换电路7A的输入端。In addition, in Figure 8, the gear signal (voltage 24VAC, input voltage frequency range: 50Hz-60Hz) of the M5 port is used in Figure 8 to obtain a DC DC power supply Vcc through the power conversion circuit 7A, and the DC DC power supply Vcc is a half-duplex bidirectional serial The communication circuit 5A supplies power. Of course, the gear signal of the M1 port, M2 port, M3 port, or M4 port can also be used as the input terminal of the power conversion circuit 7A.
R/T端口，串行通信端口，该端口与子线路板上设置的半双工双向串行通信电路5A连接，用于电机控制器的母线路板与用户端控制***之间传输数据；R/T port, serial communication port, this port is connected to the half-duplex bidirectional serial communication circuit 5A set on the sub-circuit board, and is used to transmit data between the mother circuit board of the motor controller and the user-side control system;
GND2端口，该端口是由用户端控制***为子线路板提供的公共接地端。GND2 port, this port is the common grounding terminal provided by the user-side control system for the sub-circuit board.
本实用新型的子线路板针对5个档位信号输入端口和1个PWM端口，只用第一信号转换电路1A、第二信号转换电路2A、第三信号转换电路3A等3个单元电路进行处理，简化电路结构，降低制造成本，便于与客户用户端控制***匹配信号；另外，第一信号转换电路1A的输出信号通过一个端口输入到母线路板，第二信号转换电路2A的输出信号通过一个端口输入到母线路板，第三信号转换电路3A的输出信号通过一个端口输入到母线路板，这样一来可以减少占用母板微处理器的输入信号端口资源。The sub-circuit board of the utility model is aimed at 5 gear signal input ports and 1 PWM port, and only uses 3 unit circuits including the first signal conversion circuit 1A, the second signal conversion circuit 2A, and the third signal conversion circuit 3A for processing. , Simplifying the circuit structure, reducing manufacturing costs, and facilitating signal matching with the client control system; in addition, the output signal of the first signal conversion circuit 1A is input to the mother circuit board through a port, and the output signal of the second signal conversion circuit 2A is passed through a port The port is input to the mother circuit board, and the output signal of the third signal conversion circuit 3A is input to the mother circuit board through a port, which can reduce the occupation of the input signal port resources of the motherboard microprocessor.
所述的第一信号转换电路1A是光电耦合电路，M1端口连接到第一信号转换电路1A的输入端，M2端口经过半波整流8A处理将信号频率降低一半后连接到第一信号转换电路1A的输入端。The first signal conversion circuit 1A is a photoelectric coupling circuit, the M1 port is connected to the input end of the first signal conversion circuit 1A, and the M2 port is processed by half-wave rectification 8A to reduce the signal frequency by half and then connected to the first signal conversion circuit 1A的input terminal.
所述的第二信号转换电路2A是光电耦合电路，M3端口连接到第二信号转换电路2A的输入端，M4端口经过半波整流8A处理将信号频率降低一半后连接到第二信号转换电路2A的输入端。The second signal conversion circuit 2A is a photoelectric coupling circuit, the M3 port is connected to the input end of the second signal conversion circuit 2A, and the M4 port is processed by half-wave rectification 8A to reduce the signal frequency by half and then connected to the second signal conversion circuit 2A的input terminal.
所述的第三信号转换电路3A是光电耦合电路，M5端口连接到第三信号转换电路3A的输入端，PWM端口经过半波整流8A处理将信号频率降低一半后连接到第三信号转换电路3A的输入端。The third signal conversion circuit 3A is a photoelectric coupling circuit, the M5 port is connected to the input end of the third signal conversion circuit 3A, and the PWM port is processed by half-wave rectification 8A to reduce the signal frequency by half and then connected to the third signal conversion circuit 3A的input terminal.
所述的M1端口或M2端口或M3端口或M4端口或M5端口的输入档位信号的规格满足条件如下：电压24VAC，输入电压的频率范围是：50Hz-60Hz。The specifications of the input gear signal of the M1 port, M2 port, M3 port, M4 port, or M5 port meet the following conditions: the voltage is 24VAC, and the frequency range of the input voltage is: 50Hz-60Hz.
所述的PWM端口输入的PWM信号的规格满足条件如下：电压范围：The specifications of the PWM signal input from the PWM port meet the following conditions: Voltage range:
12VDC-24VDC，输入电压的频率范围是80Hz-120Hz。12VDC-24VDC, the frequency range of the input voltage is 80Hz-120Hz.
上述的若干个单元电路还包括电源转换电路，M1端口或M2端口或M3端口或M4端口或M5端口的其中一个端口连接到电源转换电路7A的输入端，电源转换电路的输出端Vcc为半双工双向串行通信电路5A提供供电电源,使用方便，无需用户端控制***提供电源。The aforementioned several unit circuits also include a power conversion circuit. One of the M1 port, M2 port, M3 port, M4 port, or M5 port is connected to the input end of the power conversion circuit 7A, and the output Vcc of the power conversion circuit is half-double. The two-way serial communication circuit 5A provides power supply, which is convenient to use and does not require power supply from the user-side control system.
上述的母线路板为子线路板提供+3.3V直流输入电源和提供接地端GND1，简化子线路板的电路结构。The above-mentioned mother circuit board provides +3.3V DC input power and ground terminal GND1 for the daughter circuit board, simplifying the circuit structure of the daughter circuit board.
上述的若干个单元电路还包括身份识别电路6A，身份识别电路6A向母线路板提供识别子线路板类型的识别信号BSEL，实用方便。The above-mentioned several unit circuits also include an identity recognition circuit 6A. The identity recognition circuit 6A provides an identification signal BSEL for identifying the type of the sub-circuit board to the mother circuit board, which is practical and convenient.
实施例三：Example three:
如图14、图15、图16和图17所示，本实施例是在实施例一基础上的改动，改动点是：子线路板，子线路板包括电源转换电路1B、PWM信号处理电路3B、VSP信号处理电路2B、子板微处理器4B、串行通信电路6B和PWM信号发生电路5B，其中：As shown in Figure 14, Figure 15, Figure 16, and Figure 17, this embodiment is a modification on the basis of Embodiment 1. The modification points are: a sub-circuit board, which includes a power conversion circuit 1B and a PWM signal processing circuit 3B , VSP signal processing circuit 2B, daughter board microprocessor 4B, serial communication circuit 6B and PWM signal generating circuit 5B, where:
电机控制器的母线路板上为电源转换电路1B提供直流输入电源，即提供+15V、+5V的两路直流电源和接地端GND，电源转换电路1B输出两路直流电源并向用户端控制***供电，分别为+12VDC、3.3VDC两路直流电源和接地端GNDI SO；The main circuit board of the motor controller provides DC input power for the power conversion circuit 1B, that is, provides two DC power sources of +15V and +5V and the ground terminal GND. The power conversion circuit 1B outputs two DC power supplies and controls the system at the user end Power supply, respectively +12VDC, 3.3VDC two DC power supply and ground terminal GNDI SO;
用户端控制***向接口子线路板输入PWM调速信号，PWM调速信号经过PWM信号处理电路3B处理后输出PWM信号输入到母线路板；The user-side control system inputs the PWM speed control signal to the interface sub-circuit board, and the PWM speed control signal is processed by the PWM signal processing circuit 3B and then outputs the PWM signal for input to the mother circuit board;
用户端控制***向子线路板输入模拟电压调速信号VSP，模拟电压调速信号VSP经过VSP信号处理电路2B处理输入到子板微处理器4B，子板微处理器4B驱动PWM信号发生电路5B产生的PWM信号输入到母线路板；The user-side control system inputs the analog voltage speed control signal VSP to the sub-circuit board. The analog voltage speed control signal VSP is processed by the VSP signal processing circuit 2B and input to the daughter board microprocessor 4B. The daughter board microprocessor 4B drives the PWM signal generating circuit 5B. The generated PWM signal is input to the mother circuit board;
用户端控制***利用串行通信电路6B与母线路板进行通信和数据交换。The user-side control system uses the serial communication circuit 6B to communicate and exchange data with the mother circuit board.
本实用新型的接口子线路板既具有PWM调速功能，也具有VSP调速功能，同时能为用户端控制***提供两路电源，且带有串行口通信功能，功能多样， 适应性强，适用范围广，能满足客户多样化需求。The interface sub-circuit board of the utility model has both the PWM speed control function and the VSP speed control function, and can provide two power sources for the user-side control system, and has a serial port communication function, which has diverse functions and strong adaptability. It has a wide range of applications and can meet the diverse needs of customers.
上述的子板微处理器4B驱动PWM信号发生电路5B产生的PWM信号和PWM调速信号经过PWM信号处理电路3B处理后输出PWM信号经过同一线路输入到母线路板，可以进一步简化电路结构，减少占用端口资源。当VSP输入端口有信号输入时，PWM输入端口被屏蔽；当PWM输入端口信号输入时，VSP输入端口被屏蔽。The above-mentioned daughter board microprocessor 4B drives the PWM signal generated by the PWM signal generation circuit 5B and the PWM speed control signal is processed by the PWM signal processing circuit 3B, and then the output PWM signal is input to the bus circuit board through the same line, which can further simplify the circuit structure and reduce Occupy port resources. When the VSP input port has a signal input, the PWM input port is shielded; when the PWM input port signal is input, the VSP input port is shielded.
上述电源转换电路1B输出+12V和+3.3V两路直流电源并向用户端控制***供电，方便用户端控制***的使用。The above-mentioned power conversion circuit 1B outputs two DC power sources of +12V and +3.3V and supplies power to the user-side control system, which facilitates the use of the user-side control system.
上述的用户端控制***向子线路板输入PWM调速信号的规格是：电压范围在12V-24VDC，频率范围在80Hz-120Hz。The specifications of the above-mentioned user-side control system to input PWM speed control signal to the sub-circuit board are: the voltage range is 12V-24VDC, and the frequency range is 80Hz-120Hz.
上述的用户端控制***向子线路板输入模拟电压调速信号VSP的规格：电压范围在0V-12V DC。The above-mentioned client control system inputs the specification of the analog voltage speed control signal VSP to the sub-circuit board: the voltage range is 0V-12V DC.
子线路板与用户端控制***之间设置8个接插端口，8个接插端口分别为M1、M2、M3、M4、M5、M6、M7、M8，上述所述的子线路板与用户端控制***连接并至少设置6个有用的端口，在子线路板上这6个有用的端口分别为：There are 8 plug-in ports between the sub-circuit board and the user-side control system. The 8 plug-in ports are M1, M2, M3, M4, M5, M6, M7, and M8 respectively. The control system is connected and set at least 6 useful ports. The 6 useful ports on the sub-circuit board are:
12V电源输出端口，子线路板向用户端控制***提供12VDC电源；12V power output port, the sub-circuit board provides 12VDC power to the user-side control system;
PWM输入端口，用户端控制***向子线路板输入PWM调速信号；PWM input port, the user-side control system inputs PWM speed control signal to the sub-circuit board;
GNDISO输入端口，用户端控制***向子线路板提供的信号公共地；GNDISO input port, the signal common ground provided by the user-side control system to the sub-circuit board;
VSP输入端口，用户端控制***向子线路板输入模拟电压调速信号VSP；VSP input port, the user terminal control system inputs the analog voltage speed control signal VSP to the sub-circuit board;
3.3V电源输出端口，子线路板向用户端控制***提供3.3VDC电源；3.3V power output port, the sub-circuit board provides 3.3VDC power to the user-side control system;
R/T半双工串行通信端口，子线路板与用户端控制***进行相互数据交换。R/T half-duplex serial communication port, sub-circuit board and user-side control system for mutual data exchange.
上述在子线路板上还设置有一个电源输入端口V，户端控制***提供利用电源输入端口V为串行通信电路提供电源，也可以利用电源转换电路1B输出+12V为串行通信电路提供电源。A power input port V is also provided on the above-mentioned sub-circuit board. The client control system uses the power input port V to provide power for the serial communication circuit, or the power conversion circuit 1B output +12V to provide power for the serial communication circuit. .
上述它还包括身份识别电路7B，身份识别电路7B向母线路板提供识别信号BSEL，以便母线路板识别子线路板的接口类型。The above-mentioned it also includes an identification circuit 7B. The identification circuit 7B provides an identification signal BSEL to the mother circuit board so that the mother circuit board can identify the interface type of the daughter circuit board.
上述的子线路板与母线路板设置串行通信端口TXD和RXD。The above-mentioned daughter circuit board and mother circuit board are provided with serial communication ports TXD and RXD.
上述的母线路板上为电源转换电路提供+15V和+5V的两路直流输入电源和提供接地端口GND。The above-mentioned mother circuit board provides two DC input power sources of +15V and +5V and a ground port GND for the power conversion circuit.
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。The above-mentioned embodiments are the preferred embodiments of the utility model, but the embodiments of the utility model are not limited thereto. Any other changes, modifications, substitutions, combinations and simplifications made without departing from the spirit and principle of the utility model are all The equivalent replacement methods are all included in the protection scope of the present invention.

Claims (15)

  1. 一种BLDC电机，包括电机控制器和电机本体，电机本体包括定子组件、转子组件和电机外壳，电机控制器包括母线路板和子线路板，母线路板包括母版微处理器、逆变电路、电源电路和检测电路，其特征在于：子线路板包括集成在子线路板上的若干个单元电路，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***接口信号。A BLDC motor includes a motor controller and a motor body. The motor body includes a stator assembly, a rotor assembly and a motor housing. The motor controller includes a mother circuit board and a daughter circuit board. The mother circuit board includes a mother microprocessor, an inverter circuit, The power supply circuit and the detection circuit are characterized in that the sub-circuit board includes a number of unit circuits integrated on the sub-circuit board, and the sub-circuit board is used to plug into the mother circuit board of the motor controller to match the interface signal of the user terminal control system.
  2. 根据权利要求1所述的BLDC电机，其特征在于：所述的若干个单元电路包括第一信号转换电路、第二信号转换电路、第三信号转换电路、第四信号转换电路和半双工双向串行通信电路，子线路板与用户端控制***连接设置若干路端口，所述的若干路端口分别为：The BLDC motor according to claim 1, wherein the several unit circuits include a first signal conversion circuit, a second signal conversion circuit, a third signal conversion circuit, a fourth signal conversion circuit and a half-duplex bidirectional In the serial communication circuit, a number of ports are set for the connection between the sub-circuit board and the user-side control system. The ports are:
    PWM端口，用于PWM信号输入，PWM信号由子线路板上设置的第一信号转换电路转换后输入到母线路板；The PWM port is used for PWM signal input. The PWM signal is converted by the first signal conversion circuit set on the sub-circuit board and then input to the mother circuit board;
    G端口:使能开关信号输入端口，该端口信号由子线路板上设置的第二信号转换电路来转换后输入到母线路板；G port: enable switch signal input port, the port signal is converted by the second signal conversion circuit set on the sub-circuit board and then input to the mother circuit board;
    SW端口:运行模式切换信号输入端口，该端口信号由子线路板上设置的第三信号转换电路来转换后输入到母线路板；SW port: operating mode switching signal input port, the port signal is converted by the third signal conversion circuit set on the sub-circuit board and then input to the mother circuit board;
    FG端口，速度反馈信号输出端口，该端口信号与子线路板上设置的第四信号转换电路相连接，母线路板将电机运行的转速信号通过第四信号转换电路进行转换后由FG端口输出；FG port, speed feedback signal output port, the signal of this port is connected with the fourth signal conversion circuit set on the sub-circuit board, the mother circuit board converts the rotation speed signal of the motor operation through the fourth signal conversion circuit and then outputs it from the FG port;
    J1端口，跳线端口，PWM信号输入端口通过子线路板上的印刷线路与J1端口电连接，当J1端口通过外部的跳线开关K连接到SW端口以便进行运行模式切换；J1 port, jumper port, PWM signal input port is electrically connected to J1 port through a printed circuit on the sub-circuit board, when J1 port is connected to SW port through an external jumper switch K for operating mode switching;
    R/T端口，串行通信端口，该端口与子线路板上设置的半双工双向串行通信 电路连接，用于电机控制器的母线路板与用户端控制***之间传输数据；R/T port, serial communication port, which is connected to the half-duplex bidirectional serial communication circuit set on the sub-circuit board, and is used to transmit data between the mother circuit board of the motor controller and the user-side control system;
    GND2端口，该端口是由用户端控制***为子线路板提供的公共接地端；GND2 port, this port is the common grounding terminal provided by the user-side control system for the sub-circuit board;
    V端口，电源输入端口，该端口是由用户端控制***为子线路板提供直流电源，V端口输入的电源为半双工双向串行通信电路供电。V port, power input port, this port is used by the user-side control system to provide DC power for the sub-circuit board, and the power input from the V port provides power for the half-duplex bidirectional serial communication circuit.
  3. 根据权利要求2所述的BLDC电机，其特征在于：所述的第一信号转换电路、第二信号转换电路、第三信号转换电路、第四信号转换电路都是光电耦合电路，所述的若干个单元电路还包括识别电路，识别电路输出识别信号BSEL到母线路板，以便母线路板能识别子线路板的类型。The BLDC motor according to claim 2, wherein the first signal conversion circuit, the second signal conversion circuit, the third signal conversion circuit, and the fourth signal conversion circuit are all photoelectric coupling circuits, and the plurality of Each unit circuit also includes an identification circuit, which outputs an identification signal BSEL to the mother circuit board so that the mother circuit board can identify the type of the daughter circuit board.
  4. 根据权利要求3所述的BLDC电机，其特征在于：PWM端口输入的PWM调速信号的规格是：电压范围在12V-24V DC，频率范围在80Hz-120Hz，G端口输入信号的规格：电压是24V AC，频率范围在50Hz-60Hz。The BLDC motor according to claim 3, characterized in that: the specification of the PWM speed control signal input from the PWM port is: the voltage range is 12V-24V DC, the frequency range is 80Hz-120Hz, the specification of the G port input signal: the voltage is 24V AC, the frequency range is 50Hz-60Hz.
  5. 根据权利要求4所述的BLDC电机，其特征在于：母线路板为子线路板提供+3.3V直流输入电源和提供接地端GND1，V端口的电源输入是+15V直流输入电源，G端口所述的使能开关信号输入端口是风扇模式启动信号端口，SW端口是用于在恒力矩运行模式与恒风量运行模式之间的切换，或者是在在恒力矩运行模式与恒转速运行模式之间的切换。The BLDC motor according to claim 4, characterized in that: the mother circuit board provides +3.3V DC input power and ground terminal GND1 for the daughter circuit board, the power input of the V port is +15V DC input power, and the G port The enable switch signal input port is the fan mode start signal port, and the SW port is used to switch between constant torque operation mode and constant air volume operation mode, or between constant torque operation mode and constant speed operation mode Switch.
  6. 根据权利要求1所述的BLDC电机，其特征在于：所述的若干路端口包括5个档位信号输入端口、PWM端口、GND2端口和R/T端口，5个档位信号输入端口分别为M1端口、M2端口、M3端口、M4端口和M5端口，其中：The BLDC motor according to claim 1, characterized in that: the plurality of ports include 5 gear signal input ports, PWM port, GND2 port and R/T port, and the 5 gear signal input ports are respectively M1 Port, M2 port, M3 port, M4 port and M5 port, among them:
    M1端口和M2端口的输入信号由子线路板上设置的第一信号转换电路来转换后合并为一路信号输入到母线路板；The input signals of the M1 port and the M2 port are converted by the first signal conversion circuit provided on the sub-circuit board and then combined into one signal and input to the mother circuit board;
    M3端口和M4端口的输入信号由子线路板上设置的第二信号转换电路来转换后合并为一路信号输入输入到母线路板；The input signals of the M3 port and the M4 port are converted by the second signal conversion circuit provided on the sub-circuit board and combined into one signal input and input to the mother circuit board;
    M5端口和PWM端口的输入信号由子线路板上设置的第三信号转换电路来转换后合并为一路信号输入到母线路板；其中，PWM端口用于PWM信号输入；The input signals of the M5 port and the PWM port are converted by the third signal conversion circuit provided on the sub-circuit board and then combined into one signal and input to the mother circuit board; among them, the PWM port is used for PWM signal input;
    R/T端口，串行通信端口，该端口与子线路板上设置的半双工双向串行通信电路连接，用于电机控制器的母线路板与用户端控制***之间传输数据；R/T port, serial communication port, this port is connected with the half-duplex bidirectional serial communication circuit set on the sub-circuit board, and is used to transmit data between the mother circuit board of the motor controller and the user-side control system;
    GND2端口，该端口是由用户端控制***为子线路板提供的公共接地端。GND2 port, this port is the common grounding terminal provided by the user-side control system for the sub-circuit board.
  7. 根据权利要求6所述的BLDC电机，其特征在于：所述的第一信号转换电路是光电耦合电路，M1端口连接到第一信号转换电路的输入端，M2端口经过半波整流处理将信号频率降低一半后连接到第一信号转换电路的输入端，所述的第二信号转换电路是光电耦合电路，M3端口连接到第二信号转换电路的输入端，M4端口经过半波整流处理将信号频率降低一半后连接到第二信号转换电路的输入端。The BLDC motor according to claim 6, wherein the first signal conversion circuit is a photoelectric coupling circuit, the M1 port is connected to the input end of the first signal conversion circuit, and the M2 port undergoes half-wave rectification processing to reduce the signal frequency After being reduced by half, it is connected to the input end of the first signal conversion circuit. The second signal conversion circuit is a photoelectric coupling circuit. The M3 port is connected to the input end of the second signal conversion circuit. The M4 port undergoes half-wave rectification to reduce the signal frequency After being reduced by half, it is connected to the input terminal of the second signal conversion circuit.
  8. 根据权利要求7所述的BLDC电机，其特征在于：所述的第三信号转换电路是光电耦合电路，M5端口连接到第三信号转换电路的输入端，PWM端口经过半波整流处理将信号频率降低一半后连接到第三信号转换电路的输入端，M1端口或M2端口或M3端口或M4端口或M5端口的输入档位信号的规格满足条件如下：电压24VAC，输入电压的频率范围是：50Hz-60Hz。The BLDC motor according to claim 7, wherein the third signal conversion circuit is a photoelectric coupling circuit, the M5 port is connected to the input end of the third signal conversion circuit, and the PWM port undergoes half-wave rectification to reduce the frequency of the signal After being reduced by half, it is connected to the input terminal of the third signal conversion circuit. The specifications of the input gear signal of the M1 port or M2 port or M3 port or M4 port or M5 port meet the following conditions: voltage 24VAC, frequency range of input voltage: 50Hz -60Hz.
  9. 根据权利要求8所述的BLDC电机，其特征在于：PWM端口输入的PWM信号的规格满足条件如下：电压范围：12VDC-24VDC，输入电压的频率范围是80Hz-120Hz，若干个单元电路还包括电源转换电路，M1端口或M2端口或M3端口或M4端口或M5端口的其中一个端口连接到电源转换电路的输入端，电源转换电路的输出端Vcc为半双工双向串行通信电路提供供电电源。The BLDC motor according to claim 8, characterized in that the specifications of the PWM signal input from the PWM port meet the following conditions: voltage range: 12VDC-24VDC, the frequency range of the input voltage is 80Hz-120Hz, and several unit circuits also include power supplies The conversion circuit, one of the M1 port, M2 port, M3 port, M4 port, or M5 port is connected to the input terminal of the power conversion circuit, and the output terminal Vcc of the power conversion circuit provides power supply for the half-duplex bidirectional serial communication circuit.
  10. 根据权利要求9所述的BLDC电机，其特征在于：母线路板为子线路板提供+3.3V直流输入电源和提供接地端GND1，若干个单元电路还包括身份识 别电路，身份识别电路向母线路板提供识别子线路板类型的识别信号BSEL。The BLDC motor according to claim 9, characterized in that: the mother circuit board provides +3.3V DC input power and ground terminal GND1 for the daughter circuit board, and the several unit circuits also include an identification circuit, which is connected to the bus circuit The board provides an identification signal BSEL that identifies the type of the sub-circuit board.
  11. 根据权利要求1所述的BLDC电机，其特征在于：若干个单元电路包括电源转换电路、PWM信号处理电路、VSP信号处理电路、子板微处理器、串行通信电路和PWM信号发生电路，其中：The BLDC motor according to claim 1, wherein the several unit circuits include a power conversion circuit, a PWM signal processing circuit, a VSP signal processing circuit, a daughter board microprocessor, a serial communication circuit and a PWM signal generating circuit, wherein :
    电机控制器的母线路板上为电源转换电路提供直流输入电源，电源转换电路输出两路直流电源并向用户端控制***供电；The bus circuit board of the motor controller provides DC input power for the power conversion circuit, and the power conversion circuit outputs two DC power sources and supplies power to the user-side control system;
    用户端控制***向接口子线路板输入PWM调速信号，PWM调速信号经过PWM信号处理电路处理后输出PWM信号输入到母线路板；The user-side control system inputs the PWM speed control signal to the interface sub-circuit board, and the PWM speed control signal is processed by the PWM signal processing circuit and then outputs the PWM signal for input to the mother circuit board;
    用户端控制***向子线路板输入模拟电压调速信号VSP，模拟电压调速信号VSP经过VSP信号处理电路处理输入到子板微处理器，子板微处理器驱动PWM信号发生电路产生的PWM信号输入到母线路板；The user-side control system inputs the analog voltage speed control signal VSP to the sub-circuit board. The analog voltage speed control signal VSP is processed by the VSP signal processing circuit and input to the daughter board microprocessor. The daughter board microprocessor drives the PWM signal generated by the PWM signal generating circuit. Input to the mother circuit board;
    用户端控制***利用串行通信电路与母线路板进行通信和数据交换。The user end control system uses the serial communication circuit to communicate and exchange data with the mother circuit board.
  12. 根据权利要求11所述的BLDC电机，其特征在于：子板微处理器驱动PWM信号发生电路产生的PWM信号和PWM调速信号经过PWM信号处理电路处理后输出PWM信号经过同一线路输入到母线路板。The BLDC motor according to claim 11, characterized in that: the PWM signal and PWM speed control signal generated by the PWM signal generating circuit driven by the daughter board microprocessor are processed by the PWM signal processing circuit and the output PWM signal is input to the bus line through the same line board.
  13. 根据权利要求12所述的一种BLDC电机，其特征在于：电源转换电路输出+12V和+3.3V两路直流电源并向用户端控制***供电，用户端控制***向子线路板输入PWM调速信号的规格是：电压范围在12V-24VDC，频率范围在80Hz-120Hz，用户端控制***向子线路板输入模拟电压调速信号VSP的规格：电压范围在0V-12V DC。The BLDC motor according to claim 12, characterized in that: the power conversion circuit outputs +12V and +3.3V two DC power supplies and supplies power to the user-side control system, and the user-side control system inputs PWM speed control to the sub-circuit board The signal specification is: the voltage range is 12V-24VDC, the frequency range is 80Hz-120Hz, and the user-side control system inputs the analog voltage speed control signal VSP specification to the sub-circuit board: the voltage range is 0V-12V DC.
  14. 根据权利要求13所述的一种BLDC电机，其特征在于：所述的子线路板与用户端控制***连接并至少设置6个有用的端口，在子线路板上这6个有用的端口分别为：A BLDC motor according to claim 13, characterized in that: the sub-circuit board is connected to the user-side control system and at least 6 useful ports are provided. The 6 useful ports on the sub-circuit board are respectively :
    12V电源输出端口，子线路板向用户端控制***提供12VDC电源；12V power output port, the sub-circuit board provides 12VDC power to the user-side control system;
    INPWM输入端口，用户端控制***向子线路板输入PWM调速信号；INPWM input port, the user-side control system inputs PWM speed control signal to the sub-circuit board;
    GNDISO输入端口，用户端控制***向子线路板提供的信号公共地；GNDISO input port, the signal common ground provided by the user-side control system to the sub-circuit board;
    VSP输入端口，用户端控制***向子线路板输入模拟电压调速信号VSP；VSP input port, the user terminal control system inputs the analog voltage speed control signal VSP to the sub-circuit board;
    3.3V电源输出端口，子线路板向用户端控制***提供3.3VDC电源；3.3V power output port, the sub-circuit board provides 3.3VDC power to the user-side control system;
    R/T半双工串行通信端口，子线路板与用户端控制***进行相互数据交换。R/T half-duplex serial communication port, sub-circuit board and user-side control system for mutual data exchange.
  15. 根据权利要求14所述的一种BLDC电机，其特征在于：在子线路板上还设置有一个电源输入端口V，户端控制***提供利用电源输入端口V为串行通信电路提供电源，若干个单元电路还包括身份识别电路，身份识别电路向母线路板提供识别信号BSEL，子线路板与母线路板设置串行通信端口TXD和RXD，母线路板上为电源转换电路提供+15V和+5V的两路直流输入电源和提供接地端口GND。A BLDC motor according to claim 14, characterized in that: a power input port V is also provided on the sub-circuit board, and the client control system provides power supply for the serial communication circuit using the power input port V, and several The unit circuit also includes an identity recognition circuit. The identity recognition circuit provides the identification signal BSEL to the mother circuit board. The daughter circuit board and the mother circuit board are equipped with serial communication ports TXD and RXD. The mother circuit board provides +15V and +5V for the power conversion circuit. Two channels of DC input power supply and grounding port GND.
PCT/CN2019/105384 2019-04-15 2019-09-11 Bldc motor WO2020211274A1 (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
CN201920504277.6U CN209676083U (en) 2019-04-15 2019-04-15 A kind of sub- wiring board of BLDC motor interface and BLDC motor
CN201920504277.6 2019-04-15
CN201920535483.3U CN209545476U (en) 2019-04-19 2019-04-19 A kind of DC brushless motor interface signal converts sub- wiring board and motor
CN201920535483.3 2019-04-19
CN201920559398.0 2019-04-23
CN201920559398.0U CN209545478U (en) 2019-04-23 2019-04-23 A kind of DC brushless motor interface signal converts sub- wiring board and motor

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Citations (3)

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CN201165991Y (en) * 2008-02-05 2008-12-17 台达电子工业股份有限公司 Temperature sensing fan and circuit board thereof
CN201869145U (en) * 2010-12-02 2011-06-15 中山大洋电机股份有限公司 Interface signal conversion sub circuit board for electronic reversing motor
CN203135655U (en) * 2013-01-31 2013-08-14 中山大洋电机股份有限公司 Interface signal conversion daughter circuit board for electronic commutation motor

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201165991Y (en) * 2008-02-05 2008-12-17 台达电子工业股份有限公司 Temperature sensing fan and circuit board thereof
CN201869145U (en) * 2010-12-02 2011-06-15 中山大洋电机股份有限公司 Interface signal conversion sub circuit board for electronic reversing motor
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