CN111277179A - New energy automobile motor drive control system - Google Patents

New energy automobile motor drive control system Download PDF

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Publication number
CN111277179A
CN111277179A CN202010272288.3A CN202010272288A CN111277179A CN 111277179 A CN111277179 A CN 111277179A CN 202010272288 A CN202010272288 A CN 202010272288A CN 111277179 A CN111277179 A CN 111277179A
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China
Prior art keywords
chip
port
resistor
pole
motor
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Application number
CN202010272288.3A
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Chinese (zh)
Inventor
张鹏
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Jiangsu Juteng New Energy Vehicle Technology Co Ltd
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Jiangsu Juteng New Energy Vehicle Technology Co Ltd
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Priority to CN202010272288.3A priority Critical patent/CN111277179A/en
Publication of CN111277179A publication Critical patent/CN111277179A/en
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    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • 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
    • H02K11/02—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for suppression of electromagnetic interference
    • 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
    • H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
    • H02K11/25—Devices for sensing temperature, or actuated thereby
    • 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
    • H02K11/33—Drive circuits, e.g. power electronics
    • 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
    • H02P25/00—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details
    • H02P25/02—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the kind of motor
    • H02P25/022—Synchronous motors
    • 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
    • H02P25/00—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details
    • H02P25/16—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the circuit arrangement or by the kind of wiring
    • 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
    • H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
    • H02P27/04—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage
    • 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
    • H02P29/00—Arrangements for regulating or controlling electric motors, appropriate for both AC and DC motors
    • H02P29/60—Controlling or determining the temperature of the motor or of the drive
    • H02P29/68—Controlling or determining the temperature of the motor or of the drive based on the temperature of a drive component or a semiconductor component
    • 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
    • H02P2207/00—Indexing scheme relating to controlling arrangements characterised by the type of motor
    • H02P2207/05—Synchronous machines, e.g. with permanent magnets or DC excitation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/64—Electric machine technologies in electromobility

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mechanical Engineering (AREA)
  • Inverter Devices (AREA)

Abstract

The invention provides a motor drive control system and an electric automobile. The motor drive control system comprises a motor control unit and a motor drive module, wherein the motor drive module is connected to the motor control unit, the motor control unit comprises a chip MC56F826, the control precision of a motor is improved, and the driving stability and safety of an electric automobile are guaranteed.

Description

New energy automobile motor drive control system
Technical Field
The application relates to the technical field of electric automobiles, in particular to a motor drive control system and an electric automobile.
Background
The permanent magnet synchronous motor has the advantages of a brushless structure, reliable operation and the like of an alternating current motor, has better speed regulation performance of a direct current motor, and is a hotspot of the research and development and application of the current electric automobile motor. The motor drive control system is one of the core components of the electric automobile, is a main structural component of the electric automobile in running, and the driving performance of the motor drive control system determines the main performance index of the electric automobile in running.
The problem that the stability and the safety of the electric automobile in the driving process are low due to the fact that the control precision of a motor driving system of the existing electric automobile is low is solved. Therefore, a motor control system and an electric vehicle are needed to solve the above technical problems in the prior art.
Disclosure of Invention
The application provides a motor control system and electric automobile, and the control accuracy of motor obtains promoting, guarantees the stationarity and the security of electric automobile driving.
The technical scheme adopted by the application is as follows: the utility model provides a motor drive control system, includes motor control unit and motor drive module, motor drive module connect in motor control unit, wherein motor drive module includes chip MC 33937.
Preferably, the motor control unit comprises a chip MC56F826, and the motor drive module further comprises an anti-jamming circuit comprising 17 resistors, wherein the resistors (R131, R134, R133, R135, R130, R132, R136, R138, R137, R99, R101, R96, R102, R95, R97, R98, R100) are connected to a GP1OBA0 port-GPIOE 2 port of the chip MC56F826 and a PC-LS port-phasa port of the chip MC33937, respectively.
Preferably, the motor driving module further includes a 3-way signal execution circuit, and the 3-way signal execution circuit includes: 6 MOS pipes, 6 diodes, 3 electric capacity, 12 resistances, wherein:
the two ends of the resistor (R109) are respectively connected with the G pole and the S pole of a MOS tube (Q7), the end of the resistor (R103) and the diode (D13) which are connected in series in parallel is connected to the PA-HS-G port of the chip MC33937, the D pole of the MOS tube (Q7) is connected to the VSUP port of the chip MC33937, the two ends of the resistor (R108) are respectively connected with the G pole and the S pole of the MOS tube (Q8), the end of the resistor (R104) and the diode (D14) which are connected in parallel in series is connected to the PA-LS-G port of the chip MC33937, and the D pole of the MOS tube (Q8) is connected to the S pole of the MOS tube (Q7);
the two ends of the resistor (R111) are respectively connected with the G pole and the S pole of the MOS tube (Q9), the end of the resistor (R106) and the diode (D16) which are connected in series in parallel is connected to the PB-HS-G port of the chip MC33937, the D pole of the MOS tube (Q9) is connected to the VSUP port of the chip MC33937, the two ends of the resistor (R110) are respectively connected with the G pole and the S pole of the MOS tube (Q10), the end of the resistor (R105) and the diode (D15) which are connected in parallel in series is connected to the PB-LS-G port of the chip MC33937, and the D pole of the MOS tube (Q10) is connected to the S pole of the MOS tube (Q9);
the two ends of the resistor (R112) are respectively connected with the G pole and the S pole of the MOS tube (Q11), the end of the resistor (R107) and the diode (D17) which are connected in series in parallel is connected to the PC-HS-G port of the chip MC33937, the D pole of the MOS tube (Q11) is connected to the VSUP port of the chip MC33937, the two ends of the resistor (R147) are respectively connected with the G pole and the S pole of the MOS tube (Q12), the end of the resistor (R141) and the diode (D18) which are connected in parallel in series is connected to the PC-LS-G port of the chip MC33937, and the D pole of the MOS tube (Q12) is connected to the S pole of the MOS tube (Q11).
Preferably, the motor driving module further includes a signal detection circuit, the signal detection circuit including: and 10 resistors, wherein one end of the resistor (R140), the resistor (R143) and the resistor (R142) after serial connection is connected to the AMP-OUT port of the chip MC33937 and the other end thereof is connected to the AMP-N port of the chip MC33937, one end of the resistor (R144), the resistor (R146) and the resistor (R145) after serial connection is connected to the AMP-OUT port of the chip MC33937 and the other end thereof is connected to the AMP-N port of the chip MC33937, one end of the resistor (R148), the resistor (R150) and the resistor (R149) after serial connection is connected to the AMP-OUT port of the chip MC33937 and the other end thereof is connected to the AMP-N port of the chip MC33937, and one end of the resistor (R139) is connected to the AMP-N port of the chip MC33937 and the other end thereof is connected to the AMP-P port of the chip MC 33937.
Preferably, the motor drive module further comprises a motor monitoring circuit, the motor monitoring circuit comprising: 1 operational amplifier, 4 electric capacity, 6 resistance, resistance (R57) and resistance (R88) are connected to the noninverting input end of operational amplifier after establishing ties, resistance (R58) and resistance (R152) are connected to the inverting input end of operational amplifier after establishing ties, resistance (R24) are connected to the inverting input end of operational amplifier, are connected to respectively after establishing ties capacitor (C12) and capacitance (C40) between resistance (R57) and resistance (R88), and between resistance (R58) and resistance (R152), capacitor (C12) and capacitor (C40) between ground, and the other end of parallel capacitor (C41) and capacitance (C43) is connected to the positive direct current end of operational amplifier after one end ground, the negative direct current ground of operational amplifier, resistance (R23) are connected respectively the noninverting input end of operational amplifier and the output end.
Preferably, the number of the motor monitoring circuits is 3, and the motor monitoring circuits are respectively connected to the 3 signal execution circuits.
Preferably, the system further comprises a status acquisition module, the status acquisition module is connected to the chip MC56F826, the status acquisition module comprises 1 chip MAX14946, 1 signal isolation transmission transformer, 2 diodes, 1 communication interface, 3 capacitors, 4 resistors, wherein the resistors (R90, R91, R92, R93) are respectively connected to RXD, RE, DE and TXD ports of the chip MAX14946 (U6), pins 1 to 3 of the communication interface (J10) are respectively connected to GNDA, a and B ports of the chip MAX14946 (U6), one end of the capacitor (C101) is grounded, and the other end of the capacitor is respectively connected to VDDA and VDD ports of the chip MAX14946 (U6), the 1 st lead and the 3 rd lead in the primary coil end of the signal isolation transmission transformer (T2) are respectively connected to TD2 and TD1 of the chip MAX14946 (U6), and one end of the capacitor (C35100) is connected to the first terminal of the isolation transformer (T) in the primary coil end of the signal isolation transmission transformer (T2) is connected to the first lead in the chip MAX 1492 And the 16 th pin and the 4 th pin in the secondary coil of the signal isolation transmission transformer (T2) are respectively connected with diodes (D16, D13) in series and then connected with a capacitor (C102) in series and then connected with the ground.
Preferably, the signal diagnosis module is connected to the chip MC56F826, and comprises a chip DS28C36, 1 communication interface, 1 capacitor, and 2 resistors, wherein the communication interface (J2) is connected to the PIOB port and the PIOA port of the chip DS28C36, the resistor (R129) and the resistor (R94) are connected in series and then connected to the SCL port of the chip DS28C36, one end of the capacitor (C110) is connected to the VCC port of the chip DS28C36, and the ground is connected between the resistor (R129) and the resistor (R94).
Preferably, the motor control unit further comprises a temperature detection module, wherein the temperature detection module comprises 1 temperature resistor, and one end of the temperature Resistor (RT) is grounded and the other end of the temperature Resistor (RT) is connected to the port GP1OB0 of the chip MC56F 826.
The present application further provides an electric vehicle comprising a motor drive control system according to the above.
By adopting the technical scheme, the application at least has the following technical effects: the motor driving module in the motor control system adopts the chip MC33937, so that the control precision of the permanent magnet synchronous motor can be improved, and the driving stability and safety of the electric automobile are ensured.
Drawings
Fig. 1 is a flowchart of a monitoring method for a scenario in which an intelligent device is located according to a first embodiment of the present application;
fig. 2 is a flowchart of a monitoring method for a scenario in which a smart device is located according to a second embodiment of the present application;
fig. 3 is a flowchart of a monitoring method for a scenario in which a smart device is located according to a third embodiment of the present application;
fig. 4 is a flowchart of a monitoring method for a scenario in which an intelligent device is located according to a fourth embodiment of the present application.
10-a motor control system; 100-a motor control unit; 110-a motor drive module; 120-configuration module.
Detailed Description
To further clarify the technical measures and effects taken by the present application to achieve the intended purpose, the present application will be described in detail below with reference to the accompanying drawings and preferred embodiments.
The application provides a motor control system can promote the control accuracy of motor, guarantees the stationarity and the security of electric automobile driving. The motor control system of the present application and its various components will be described in detail below.
Example one
As shown in fig. 1, the motor driving control system 10 provided by the present application includes a motor control unit 100 and a motor driving module 110, wherein the motor driving module 110 is connected to the motor control unit 100, and the motor driving module 110 includes a chip MC 33937.
The motor control unit 100 sends a control command to the motor driving module 110 to make the motor driving module 110 drive the motor to work. Enzhipu chip MC33937 is a predriver of Field Effect Transistors (FET), and an integrated circuit IC of the chip adopts SMARTMOS technology, contains 3 predrivers of high-side FETs and 3 predrivers of low-side FETs, and can quickly complete the development of embedded application. The driving of the permanent magnet synchronous motor can be realized through the magnetic field control without a position sensor, and the control precision of the permanent magnet synchronous motor is improved.
Example two
As shown in fig. 2, based on the first embodiment, in the motor drive control system provided in this embodiment, the motor control unit 100 includes a chip MC56F826, and the motor drive module 110 further includes an anti-jamming circuit, where the anti-jamming circuit includes 17 resistors, where the resistors R131, R134, R133, R135, R130, R132, R136, R138, R137, R99, R101, R96, R102, R95, R97, R98, and R100 are respectively connected to a GP1OBA0 port-GPIOE 2 port of the chip MC56F826 and a PC-LS port-phasa port of the chip MC 33937.
The motor control unit 100 sends a control command to the motor driving module 110 to drive the motor to operate. The chip MC56F826 realizes lower power consumption during operation and has excellent control precision; the high-efficiency digital power supply conversion and advanced motor control performance are oriented, and the high-efficiency digital power supply conversion and advanced motor control system is suitable for the high-energy effect to improve the switching frequency and reduce the cost; the access of a driver to a key memory position and a peripheral reserved for a super driver can be limited, and the safety of a motor drive control system is improved; facilitating compact PCB design for space-constrained applications.
The anti-jamming circuit is used for anti-jamming of communication transmission between the motor control unit 100 and the motor drive module 110.
As shown in fig. 2, the motor driving module 110 further includes a 3-way signal executing circuit, and the 3-way signal executing circuit includes: 6 MOS pipes, 6 diodes, 3 electric capacity, 12 resistances, wherein:
the two ends of the resistor R109 are respectively connected with the G pole and the S pole of the MOS tube Q7, then the end of the resistor R103 and the diode D13 which are connected in parallel in series is connected to the PA-HS-G port of the chip MC33937, the D pole of the MOS tube Q7 is connected to the VSUP port of the chip MC33937, the two ends of the resistor R108 are respectively connected with the G pole and the S pole of the MOS tube Q8, then the end of the resistor R104 and the diode D14 which are connected in parallel in series is connected to the PA-LS-G port of the chip MC33937, and the D pole of the MOS tube Q8 is connected to the S pole of the MOS tube Q7;
the two ends of the resistor R111 are respectively connected with the G pole and the S pole of the MOS transistor Q9, and then connected with the resistor R106 and the diode D16 which are connected in parallel in series, and then one end of the resistor R9 is connected with the VSUP port of the chip MC33937, the two ends of the resistor R110 are respectively connected with the G pole and the S pole of the MOS transistor Q10, and then connected with the resistor R105 and the diode D15 which are connected in parallel in series, and then one end of the resistor R33937 is connected with the PB-LS-G port of the chip MC33937, and the D pole of the MOS transistor Q10 is connected with the S pole of the MOS transistor Q9;
the two ends of the resistor R112 are respectively connected with the G pole and the S pole of the MOS transistor Q11, the end of the resistor R107 and the diode D17 which are connected in parallel in series is connected to the PC-HS-G port of the chip MC33937, the D pole of the MOS transistor Q11 is connected to the VSUP port of the chip MC33937, the two ends of the resistor R147 are respectively connected with the G pole and the S pole of the MOS transistor Q12, the end of the resistor R141 and the diode D18 which are connected in parallel in series is connected to the PC-LS-G port of the chip MC33937, and the D pole of the MOS transistor Q12 is connected to the S pole of the MOS transistor Q11.
The signal execution circuit sends a driving signal for controlling the motor to operate by the motor driving module 110 to the motor, and the 3-path signal execution circuit is connected with a three-phase circuit of the motor. The capacitors C105, C106, and C107 are driving capacitors for driving the MOS transistors, the resistors R103, R106, R107, R104, R105, and R141 are current limiting resistors for driving the MOS transistors, and the resistors R109, R111, R112, R108, R110, and R147 are used for protecting the MOS transistors. The chip MC33937 sends a starting signal to the motor, the MOS tubes Q7 and Q9 are conducted, the battery supplies power, and the motor works.
In the motor drive control system 10 of the present embodiment, the motor drive module 110 further includes a signal detection circuit, and the signal detection circuit includes: and 10 resistors, wherein one end of the resistor R140, the resistor R143 and the resistor R142 after serial connection is connected to an AMP-OUT port of the chip MC33937 and the other end thereof is connected to an AMP-N port of the chip MC33937, one end of the resistor R144, the resistor R146 and the resistor R145 after serial connection is connected to an AMP-OUT port of the chip MC33937 and the other end thereof is connected to an AMP-N port of the chip MC33937, one end of the resistor R148, the resistor R150 and the resistor R149 after serial connection is connected to an AMP-OUT port of the chip MC33937 and the other end thereof is connected to an AMP-N port of the chip MC33937, and one end of the resistor R139 is connected to an AMP-N port of the chip MC33937 and the other end thereof is connected to an AMP-P port of.
The resistor R140, the resistor R142, the resistor R145, the resistor R149, the resistor R139, and the resistor R144 are used to detect a motor feedback signal, and the resistor R143, the resistor R146, and the resistor R150 are resistors used to detect a motor current. The diodes D16, D15, D17, D13, D14 and D18 accelerate the conduction of the MOS tube.
EXAMPLE III
As shown in fig. 3, on the basis of the second embodiment, in the motor drive control system provided in this embodiment, the motor driving module further includes a motor monitoring circuit, and the motor monitoring circuit includes: 1 operational amplifier, 4 capacitors, 6 resistors, a resistor R57 and a resistor R88 are connected in series and then connected to the non-inverting input terminal of the operational amplifier, a resistor R58 and a resistor R152 are connected in series and then connected to the inverting input terminal of the operational amplifier, a resistor R24 is connected to the inverting input terminal of the operational amplifier, one ends of a capacitor C12 and a capacitor C40 which are connected in series are respectively connected between a resistor R57 and a resistor R88, a resistor R58 and a resistor R152 are connected, a capacitor C12 and a capacitor C40 are grounded, one ends of a parallel capacitor C41 and a capacitor C43 are grounded and then the other ends of the parallel capacitor C41 and the capacitor C43 are connected to the positive direct current source terminal of the operational amplifier, the negative direct current source terminal of the operational amplifier is grounded.
Preferably, the number of the motor monitoring circuits is 3, and the motor monitoring circuits are respectively connected to the 3 signal execution circuits.
The 3-path motor monitoring circuit automatically adjusts the phase or frequency of the three-phase motor, so that the driving speed and the emergency stop can be adjusted when the electric automobile meets emergency, accidents are avoided, and safe driving is ensured.
Example four
As shown in fig. 4, on the basis of the foregoing embodiment, the motor control system 10 provided in this embodiment further includes a configuration module 120, where the configuration module 120 includes a state acquisition module and a signal diagnosis module.
The state acquisition module is connected to the MC56F826, and includes 1 chip MAX14946, 1 signal isolation transmission transformer, 2 diodes, 1 communication interface, 3 capacitors, and 4 resistors, where the resistors R90, R91, R92, and R93 are respectively connected to the RXD port, the RE port, the DE port, and the TXD port of the chip MAX14946U6, the 1 to 3 pins of the communication interface J10 are respectively connected to the GNDA port, the a port, and the B port of the chip MAX14946U6, one end of the capacitor C101 is grounded, and the other end of the capacitor C101 is respectively connected to the VDDA port and the VDD port of the chip MAX14946U6, the 1 st lead and the 3 rd lead in the primary coil end of the signal isolation transmission transformer T2 are respectively connected to the TD2 port and the TD1 port of the chip MAX14946U6, one end of the capacitor C100 is connected to the second lead in the primary coil of the signal isolation transmission transformer T2, and the fourth lead and the TD 638 pin 16 in the secondary coil of the signal isolation transmission transformer T2 are respectively connected in series, D13 is connected in series with capacitor C102 and then grounded.
MAX14946 has effective value of 2.75KV mean square voltage, isolation transmission speed 500kbps, half-duplex RS-485/RS-422, 30kV electrostatic discharge function, C136 is signal isolation transmission transformer, R90, R91, R92 and R93 are used for filtering harmonic waves and resisting interference. The state acquisition module has the main function of transmitting the working state of the motor such as working voltage, working current and other information to the display unit so that a driver can know the working state of the motor.
The signal diagnosis module is connected to the chip MC56F826, and comprises a chip DS28C36, 1 communication interface, 1 capacitor and 2 resistors, wherein the communication interface J2 is respectively connected to a PIOB port and a PIOA port of the chip DS28C36, the resistor R129 and the resistor R94 are connected in series and then connected to an SCL port of the chip DS28C36, one end of the capacitor C110 is respectively connected to a VCC port of the chip DS28C36, and a ground is connected between the resistor R129 and the resistor R94.
Resistors R94 and R129 are pull-up resistors, a capacitor C119 has a filtering function, and a chip DS28C36 is a watchdog for monitoring the normal work of a motor control unit.
EXAMPLE five
As shown in fig. 2, based on the above embodiment, in the motor drive control system 10 provided in this embodiment, the motor control unit 100 further includes a temperature detection module, where the temperature detection module includes 1 temperature resistor, and one end of the temperature resistor RT is grounded and then the other end is connected to the port GP1OB0 of the chip MC56F 826. The temperature detection module is used for detecting the working temperature of the motor and sending the working temperature of the motor to the display unit through the motor control unit 100 for the driver to check.
EXAMPLE six
As shown in fig. 1, the motor drive control system 10 provided in this embodiment includes a motor control unit 100 and a motor drive module 110, wherein the motor drive module 110 is connected to the motor control unit 100, and the motor control unit 100 includes a chip MC56F 826.
The motor control unit 100 sends a control command to the motor driving module 110 to drive the motor to operate. The chip MC56F826 realizes lower power consumption during operation and has excellent control precision; the high-efficiency digital power supply conversion and advanced motor control performance are oriented, and the high-efficiency digital power supply conversion and advanced motor control system is suitable for the high-energy effect to improve the switching frequency and reduce the cost; the access of a driver to a key memory position and a peripheral reserved for a super driver can be limited, and the safety of a motor drive control system is improved; facilitating compact PCB design for space-constrained applications.
EXAMPLE seven
As shown in fig. 2, on the basis of the sixth embodiment, in the motor drive control system provided in this embodiment, the motor control unit 10 further includes a temperature detection module, the temperature detection module includes 1 temperature resistor, and one end of the temperature resistor RT is grounded and then the other end thereof is connected to the port GP1OB0 of the chip MC56F 826.
The temperature detection module is used for detecting the working temperature of the motor and sending the working temperature of the motor to the display unit through the motor control unit 100 for the driver to check.
Example eight
As shown in fig. 4, on the basis of the sixth and seventh embodiments, the motor drive control system provided by this embodiment further includes a configuration module 120, where the configuration module 120 includes a signal diagnosis module and a state acquisition module.
The signal diagnosis module is connected to the chip MC56F826 and comprises a chip DS28C36, 1 communication interface, 1 capacitor and 2 resistors, wherein the communication interface J2 is respectively connected to a PIOB port and a PIOA port of the chip DS28C36, the resistor R129 and the resistor R94 are connected in series and then connected to an SCL port of the chip DS28C36, one end of the capacitor C110 is respectively connected to a VCC port of the chip DS28C36, and a ground is connected between the resistor R129 and the resistor R94.
Resistors R94 and R129 are pull-up resistors, a capacitor C119 has a filtering function, and a chip DS28C36 is a watchdog for monitoring the normal work of a motor control unit.
The state acquisition module is connected to a chip MC56F826, and comprises 1 chip MAX14946, 1 signal isolation transmission transformer, 2 diodes, 1 communication interface, 3 capacitors and 4 resistors, wherein the resistors R90, R91, R92 and R93 are respectively connected to RXD port, RE port, DE port and TXD port of a chip MAX14946U6, pins 1 to 3 of the communication interface J10 are respectively connected to GNDA port, A port and B port of a chip MAX14946U6, one end of the capacitor C101 is grounded and the other end thereof is respectively connected to VDDA port and VDD port of a chip 14946U6, a 1 st lead and a 3 rd lead in a primary coil end of the signal isolation transmission transformer T2 are respectively connected to TD2 port and TD1 port of a chip MAX14946U6, one end of the capacitor C100 is connected to ground after a 2 nd lead in a primary coil of the signal isolation transmission transformer T2, a second lead and a secondary lead in a secondary coil T92 and a secondary lead in a secondary coil T638 in the signal isolation transmission transformer T92 are respectively connected in series and a secondary coil in a secondary coil T16, D13 is connected in series with capacitor C102 and then grounded.
MAX14946 has effective value of 2.75KV mean square voltage, isolation transmission speed 500kbps, half-duplex RS-485/RS-422, 30kV electrostatic discharge function, C136 is signal isolation transmission transformer, R90, R91, R92 and R93 are used for filtering harmonic waves and resisting interference. The state acquisition module has the main function of transmitting the working state of the motor such as working voltage, working current and other information to the display unit so that a driver can know the working state of the motor.
Example nine
As shown in fig. 2, on the basis of the sixth to eighth embodiments, in the motor drive control system provided in this embodiment, the motor drive module 110 includes a chip MC33937, and the motor drive module further includes an anti-interference circuit, where the anti-interference circuit includes 17 resistors, where the resistors R131, R134, R133, R135, R130, R132, R136, R138, R137, R99, R101, R96, R102, R95, R97, R98, and R100 are respectively connected to the GP1OBA0 port-gpie 2 port of the chip MC56F826 and the PC-LS port-asphya port of the chip MC 33937.
Enzhipu chip MC33937A is a predriver of Field Effect Transistors (FET), and the integrated circuit IC of the chip adopts SMARTMOS technology, contains 3 predrivers of high-side FETs and 3 predrivers of low-side FETs, and can quickly complete the development of embedded applications. The driving of the permanent magnet synchronous motor can be realized through the magnetic field control without a position sensor, and the control precision of the permanent magnet synchronous motor is improved.
The anti-jamming circuit is used for anti-jamming of communication transmission between the motor control unit 100 and the motor drive module 110.
In the motor driving control system of this embodiment, the motor driving module 110 further includes 3 signal execution circuits, and the 3 signal execution circuits include: 6 MOS tubes, 6 diodes, 3 capacitors and 12 resistors.
Wherein: the two ends of the resistor R109 are respectively connected with the G pole and the S pole of the MOS tube Q7, then the end of the resistor R103 and the diode D13 which are connected in parallel in series is connected to the PA-HS-G port of the chip MC33937, the D pole of the MOS tube Q7 is connected to the VSUP port of the chip MC33937, the two ends of the resistor R108 are respectively connected with the G pole and the S pole of the MOS tube Q8, then the end of the resistor R104 and the diode D14 which are connected in parallel in series is connected to the PA-LS-G port of the chip MC33937, and the D pole of the MOS tube Q8 is connected to the S pole of the MOS tube Q7;
the two ends of the resistor R111 are respectively connected with the G pole and the S pole of the MOS transistor Q9, and then connected with the resistor R106 and the diode D16 which are connected in parallel in series, and then one end of the resistor R9 is connected with the VSUP port of the chip MC33937, the two ends of the resistor R110 are respectively connected with the G pole and the S pole of the MOS transistor Q10, and then connected with the resistor R105 and the diode D15 which are connected in parallel in series, and then one end of the resistor R33937 is connected with the PB-LS-G port of the chip MC33937, and the D pole of the MOS transistor Q10 is connected with the S pole of the MOS transistor Q9;
the two ends of the resistor R112 are respectively connected with the G pole and the S pole of the MOS transistor Q11, the end of the resistor R107 and the diode D17 which are connected in parallel in series is connected to the PC-HS-G port of the chip MC33937, the D pole of the MOS transistor Q11 is connected to the VSUP port of the chip MC33937, the two ends of the resistor R147 are respectively connected with the G pole and the S pole of the MOS transistor Q12, the end of the resistor R141 and the diode D18 which are connected in parallel in series is connected to the PC-LS-G port of the chip MC33937, and the D pole of the MOS transistor Q12 is connected to the S pole of the MOS transistor Q11.
The signal execution circuit sends a driving signal for controlling the motor to operate by the motor driving module 110 to the motor, and the 3-path signal execution circuit is connected with a three-phase circuit of the motor. The capacitors C105, C106, and C107 are driving capacitors for driving the MOS transistors, the resistors R103, R106, R107, R104, R105, and R141 are current limiting resistors for driving the MOS transistors, and the resistors R109, R111, R112, R108, R110, and R147 are used for protecting the MOS transistors.
In the motor driving control system provided in this embodiment, the motor driving module 110 further includes a signal detection circuit, and the signal detection circuit includes: and 10 resistors, wherein one end of the resistor R140, the resistor R143 and the resistor R142 after serial connection is connected to an AMP-OUT port of the chip MC33937 and the other end thereof is connected to an AMP-N port of the chip MC33937, one end of the resistor R144, the resistor R146 and the resistor R145 after serial connection is connected to an AMP-OUT port of the chip MC33937 and the other end thereof is connected to an AMP-N port of the chip MC33937, one end of the resistor R148, the resistor R150 and the resistor R149 after serial connection is connected to an AMP-OUT port of the chip MC33937 and the other end thereof is connected to an AMP-N port of the chip MC33937, and one end of the resistor R139 is connected to an AMP-N port of the chip MC33937 and the other end thereof is connected to an AMP-P port of.
The resistor R140, the resistor R142, the resistor R145, the resistor R149, the resistor R139, and the resistor R144 are used to detect a motor feedback signal, and the resistor R143, the resistor R146, and the resistor R150 are resistors used to detect a motor current. The diodes D16, D15, D17, D13, D14 and D18 accelerate the conduction of the MOS tube.
Example ten
As shown in fig. 3, on the basis of the sixth to ninth embodiments, in the motor driving control system provided in this embodiment, the motor driving module 110 further includes a motor monitoring circuit, and the phase monitoring circuit includes: 1 operational amplifier, 4 capacitors, 6 resistors, a resistor R57 and a resistor R88 are connected in series and then connected to the non-inverting input terminal of the operational amplifier, a resistor R58 and a resistor R152 are connected in series and then connected to the inverting input terminal of the operational amplifier, a resistor R24 is connected to the inverting input terminal of the operational amplifier, a capacitor C12 and a capacitor C40 are connected in series and respectively connected between a resistor R57 and a resistor R88, a resistor R58 and a resistor R152 are connected, a capacitor C12 and a capacitor C40 are grounded, one ends of a parallel capacitor C41 and a capacitor C43 are grounded and then the other ends of the parallel capacitor C41 and the capacitor C43 are connected to the positive direct current power end of the operational amplifier, the negative direct current power end of the operational amplifier is grounded.
Preferably, the number of the motor monitoring circuits is 3, and the motor monitoring circuits are respectively connected to the 3 signal execution circuits.
The 3-path motor monitoring circuit automatically adjusts the phase or frequency of the three-phase motor, so that the driving speed and the emergency stop can be adjusted when the electric automobile meets emergency, accidents are avoided, and safe driving is ensured.
Example eleven:
the present application further provides an electric vehicle comprising a motor drive control system according to the above.
The foregoing and other objects, features and advantages of the invention will be apparent from the following more particular description of the preferred embodiments, as illustrated in the accompanying drawings.

Claims (10)

1. The utility model provides a motor drive control system, its characterized in that includes motor control unit and motor drive module, motor drive module connect in motor control unit, wherein motor drive module includes chip MC 33937.
2. The motor drive control system of claim 1 wherein the motor control unit comprises a chip MC56F826, and the motor drive module further comprises a jamming protection circuit comprising 17 resistors, wherein the resistors (R131, R134, R133, R135, R130, R132, R136, R138, R137, R99, R101, R96, R102, R95, R97, R98, R100) are connected to the GP1OBA0 port-GPIOE 2 port of the chip MC56F826 and the PC-LS port-phasa port of the chip MC33937, respectively.
3. The motor drive control system of claim 2, wherein the motor drive module further comprises a 3-way signal execution circuit, the 3-way signal execution circuit comprising: 6 MOS pipes, 6 diodes, 3 electric capacity, 12 resistances, wherein:
the two ends of the resistor (R109) are respectively connected with the G pole and the S pole of a MOS tube (Q7), the end of the resistor (R103) and the diode (D13) which are connected in series in parallel is connected to the PA-HS-G port of the chip MC33937, the D pole of the MOS tube (Q7) is connected to the VSUP port of the chip MC33937, the two ends of the resistor (R108) are respectively connected with the G pole and the S pole of the MOS tube (Q8), the end of the resistor (R104) and the diode (D14) which are connected in parallel in series is connected to the PA-LS-G port of the chip MC33937, and the D pole of the MOS tube (Q8) is connected to the S pole of the MOS tube (Q7);
the two ends of the resistor (R111) are respectively connected with the G pole and the S pole of the MOS tube (Q9), the end of the resistor (R106) and the diode (D16) which are connected in series in parallel is connected to the PB-HS-G port of the chip MC33937, the D pole of the MOS tube (Q9) is connected to the VSUP port of the chip MC33937, the two ends of the resistor (R110) are respectively connected with the G pole and the S pole of the MOS tube (Q10), the end of the resistor (R105) and the diode (D15) which are connected in parallel in series is connected to the PB-LS-G port of the chip MC33937, and the D pole of the MOS tube (Q10) is connected to the S pole of the MOS tube (Q9);
the two ends of the resistor (R112) are respectively connected with the G pole and the S pole of the MOS tube (Q11), the end of the resistor (R107) and the diode (D17) which are connected in series in parallel is connected to the PC-HS-G port of the chip MC33937, the D pole of the MOS tube (Q11) is connected to the VSUP port of the chip MC33937, the two ends of the resistor (R147) are respectively connected with the G pole and the S pole of the MOS tube (Q12), the end of the resistor (R141) and the diode (D18) which are connected in parallel in series is connected to the PC-LS-G port of the chip MC33937, and the D pole of the MOS tube (Q12) is connected to the S pole of the MOS tube (Q11).
4. The motor drive control system of claim 3, wherein the motor drive module further comprises a signal detection circuit comprising: and 10 resistors, wherein one end of the resistor (R140), the resistor (R143) and the resistor (R142) after serial connection is connected to the AMP-OUT port of the chip MC33937 and the other end thereof is connected to the AMP-N port of the chip MC33937, one end of the resistor (R144), the resistor (R146) and the resistor (R145) after serial connection is connected to the AMP-OUT port of the chip MC33937 and the other end thereof is connected to the AMP-N port of the chip MC33937, one end of the resistor (R148), the resistor (R150) and the resistor (R149) after serial connection is connected to the AMP-OUT port of the chip MC33937 and the other end thereof is connected to the AMP-N port of the chip MC33937, and one end of the resistor (R139) is connected to the AMP-N port of the chip MC33937 and the other end thereof is connected to the AMP-P port of the chip MC 33937.
5. The motor drive control system of claim 4 wherein the motor drive module further comprises a motor monitoring circuit, the motor monitoring circuit comprising: 1 operational amplifier, 4 electric capacity, 6 resistance, resistance (R57) and resistance (R88) are connected to the noninverting input end of operational amplifier after establishing ties, resistance (R58) and resistance (R152) are connected to the inverting input end of operational amplifier after establishing ties, resistance (R24) are connected to the inverting input end of operational amplifier, are connected to respectively after establishing ties capacitor (C12) and capacitance (C40) between resistance (R57) and resistance (R88), and between resistance (R58) and resistance (R152), capacitor (C12) and capacitor (C40) between ground, and the other end of parallel capacitor (C41) and capacitance (C43) is connected to the positive direct current end of operational amplifier after one end ground, the negative direct current ground of operational amplifier, resistance (R23) are connected respectively the noninverting input end of operational amplifier and the output end.
6. The motor drive control system according to claim 5, wherein the number of the motor monitoring circuits is 3, and the motor monitoring circuits are respectively connected to the 3 signal execution circuits.
7. The motor drive control system according to claim 5 or 6, further comprising a status acquisition module connected to the chip MC56F826, the status acquisition module comprising 1 chip MAX14946, 1 signal isolation transmission transformer, 2 diodes, 1 communication interface, 3 capacitors, 4 resistors, wherein the resistors (R90, R91, R92, R93) are respectively connected to RXD port, RE port, DE port and TXD port of the chip MAX14946 (U6), 1 to 3 pins of the communication interface (J10) are respectively connected to GNDA port, A port and B port of the chip 14946 (U6), one end of the capacitor (C101) is grounded and the other end thereof is respectively connected to VDDA port and VDD port of the chip MAX14946 (U6), 1 st lead and 3 rd lead of primary coil end of the signal isolation transmission transformer (T2) are respectively connected to TD 48325 and TD1 of the chip 14946 (U6), one end of the capacitor (C100) is connected to the 2 nd pin in the primary coil of the signal isolation transmission transformer (T2) and then grounded, and the 16 th pin and the 4 th pin in the secondary coil of the signal isolation transmission transformer (T2) are respectively connected with the diodes (D16 and D13) in series and then connected with the capacitor (C102) in series and then grounded.
8. The motor drive control system of claim 7 further comprising a signal diagnostic module connected to the chip MC56F826, wherein the signal diagnostic module comprises a chip DS28C36, 1 communication interface, 1 capacitor, 2 resistors, wherein the communication interface (J2) is connected to the PIOB port and PIOA port of the chip DS28C36, respectively, the resistor (R129) and the resistor (R94) are connected in series and then connected to the SCL port of the chip DS28C36, one end of the capacitor (C110) is connected to the VCC port of the chip DS28C36, respectively, and the back ground is connected between the resistor (R129) and the resistor (R94).
9. The motor drive control system of claim 8 wherein the motor control unit further comprises a temperature sensing module comprising 1 temperature Resistor (RT) with one end connected to ground and the other end connected to port GP1OB0 of the chip MC56F 826.
10. An electric vehicle characterized by comprising the motor drive control system according to any one of claims 1 to 9.
CN202010272288.3A 2020-04-09 2020-04-09 New energy automobile motor drive control system Withdrawn CN111277179A (en)

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CN204517716U (en) * 2015-04-10 2015-07-29 哈尔滨力盛达机电科技有限公司 A kind of Permanent Magnet Synchronous Motor Controller
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Application publication date: 20200612