CN207311174U - A kind of pure electric automobile Permanent Magnet Synchronous Motor Controller and control system of electric automobile - Google Patents
A kind of pure electric automobile Permanent Magnet Synchronous Motor Controller and control system of electric automobile Download PDFInfo
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- CN207311174U CN207311174U CN201721292894.1U CN201721292894U CN207311174U CN 207311174 U CN207311174 U CN 207311174U CN 201721292894 U CN201721292894 U CN 201721292894U CN 207311174 U CN207311174 U CN 207311174U
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- 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
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- Y02T10/72—Electric energy management in electromobility
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Abstract
The utility model discloses a kind of pure electric automobile Permanent Magnet Synchronous Motor Controller and control system of electric automobile, pure electric automobile Permanent Magnet Synchronous Motor Controller is equipped with processor system, CAN transceiver, AD sampling modules, rotary transformer decoder module, magnetic coupling isolation module and power module；Respectively by the corresponding port of SPI interface connection processing device system, processor system is used for the input terminal for the port connection magnetic coupling isolation module for exporting SVPWM control signals for CAN transceiver, AD sampling modules and rotary transformer decoder module；The electric machine controller of control system of electric automobile uses rotary transformer using foregoing pure electric automobile Permanent Magnet Synchronous Motor Controller, rotating speed acquisition module.The pure electric automobile Permanent Magnet Synchronous Motor Controller of the utility model has the advantages that performance is excellent, price is low, security is good, and the control system of electric automobile of the utility model has the advantages that shock resistance is good, temperature characterisitic is splendid, the ability to work of anti-adverse environment is strong, cost is low.
Description
Technical field
A kind of pure electric automobile Permanent Magnet Synchronous Motor Controller is the utility model is related to, and, using the pure electric automobile
The control system of electric automobile of Permanent Magnet Synchronous Motor Controller.
Background technology
With the enhancing of environmental consciousness, national governments start to assign the timetable of prohibiting selling successively to conventional fuel oil car；China's vapour
Car sales volume ranks the first in the world, in this regard, China have selected based on pure electric automobile, plug-in hybrid vehicle, fuel-cell vehicle
Supplemented by long term growth route.
1：Controller for motor of pure electric vehicle core mainly uses two schemes at present
1.1st, the Permanent Magnet Synchronous Motor Controller using DSP as core, this quasi-controller are influenced by dsp processor, although fortune
Calculation ability is strong but Costco Wholesale is higher, interface resource is not abundant enough, transaction capabilities is not strong.
1.2nd, the motion controller using general-purpose chip STM32F series as core, this quasi-controller are pacified because of STM32F processors
It is not good enough that full property is done, although processor function is stronger, it is still fewer to be applied to vehicle electric field.
2：The mode of pure electric automobile motor tachometric survey at present mainly has two methods
2.1st, incremental encoder or absolute value encoder, rotating speed cannot be too high, Applicable temperature narrow range, to use environment
It there are certain requirements, dust, greasy dirt and vibration have a great influence its precision, are not suitable for using on automobile.
2.2nd, Hall sensor, precision is low, big by use environment (such as accurate temperature drifts about serious), Effect of Materials, uncomfortable
Share to measure electric motor of automobile rotating speed.
Pure electric automobile is the developing direction of future automobile, is had compared to conventional fuel oil automobile in energy-saving and environmental protection etc.
Many advantages.The core of pure electric automobile is " three electric systems ", generally includes battery, motor and automatically controlled.Electric machine controller is made again
It is self-evident to the importance of the performance of vehicle for automatically controlled core.
Permanent magnet synchronous motor has that torque dynamic response is fast, power factor (PF) is high, small, light-weight, highly reliable etc. all
More advantages, have become the mainstream of pure electric vehicle machine in China.It is traditional based on the electric machine controller of DSP because of high cost,
Poor expandability；Based on the electric machine controller of STM32F series, because the reliability and security of processor do it is not good enough, can not
Large-scale application is on automotive motor controller product.And both processors did not all carry out the relevant work(such as ISO26262
Can safety certification.So developing, a performance is excellent, price is low, the good Permanent Magnet Synchronous Motor Controller of security is extremely urgent, and selects
It is key point again to select a outstanding processor.Freescale S32K be it is a be based on 32 ARM Cortex-M4F and
The MCU of Cortex-M0+ kernels.Enriched with Resources on Chip, is safe, super low-power consumption, the ecosystem enrich, integrated-ISO
CAN FD, CSEc hardware securities, ASIL-B ISO26262 functional safeties, and S32K prices are low, particularly suitable for PMSM
(permanent magnet synchronous motor) motor controls.
The speed feedback of motor plays an important role closed-loop control, therefore high-precision tachometric survey is most important, exists at present
The rotation-speed measuring device applied on pure electric automobile is all not good enough.
Utility model content
Technical problem to be solved in the utility model is：There is provided a kind of pure electric automobile Permanent Magnet Synchronous Motor Controller and
Control system of electric automobile.
Above-mentioned technical problem is solved, technical solution is as follows used by the utility model：
A kind of pure electric automobile Permanent Magnet Synchronous Motor Controller, it is characterised in that：The pure electric automobile permanent-magnet synchronous
Electric machine controller be equipped with processor system, for communicate with entire car controller CAN transceiver, for external sensor to be gathered
To analog signal be converted into the AD sampling modules of digital signal, carry out decoded rotation for the output signal to rotary transformer
Change depressor decoder module, the magnetic coupling isolation module for isolating forceful electric power and weak electric signal and for for pure electric automobile permanent magnetism it is same
Walk the power module of electric machine controller power supply；The CAN transceiver, AD sampling modules and rotary transformer decoder module lead to respectively
The corresponding port that SPI interface connects the processor system is crossed, the processor system is used for the end for exporting SVPWM control signals
Mouth connects the input terminal of the magnetic coupling isolation module, wherein, the SVPWM control signals are used for the permanent magnetism for driving pure electric automobile
Synchronous motor.
Preferred embodiment as the utility model：The processor system is by processor chips and its peripheral circuit
Composition, wherein, any one in model S32K142, S32K144, S32K146 and S32K148 of the processor chips.
Preferred embodiment as the utility model：The CAN transceiver is highly integrated using model UJA1164's
Spend chip.
Preferred embodiment as the utility model：The AD sampling modules are sampled using the AD of model AD7606
Chip.
Preferred embodiment as the utility model：The rotary transformer decoder module is by model AD2S1200
Decoding chip and its peripheral circuit composition.
Preferred embodiment as the utility model：The magnetic coupling isolation module uses the height of model ADUM3440
Fast magnetic coupling isolating chip.
Preferred embodiment as the utility model：The power module includes mutually independent first power circuit
With second source circuit, the operating voltage that the power supply of exterior storage battery is converted into adaptation by first power circuit is supplied to institute
State CAN transceiver, AD sampling modules, rotary transformer decoder module and magnetic coupling isolation module, the second source circuit is by institute
State exterior storage battery power supply be converted into adaptation operating voltage be supplied to the processor system.
Preferred embodiment as the utility model：The pure electric automobile Permanent Magnet Synchronous Motor Controller is additionally provided with
Power-down protection circuit；The power-down protection circuit can detect the exterior storage battery whether normal power supply, and the power down is protected
Monitoring result can be sent to the processor system by protection circuit.
Preferred embodiment as the utility model：The pure electric automobile Permanent Magnet Synchronous Motor Controller also sets expansion
Open up CAN transceiver；The extension CAN transceiver is connected with the corresponding port of the processor system.
A kind of control system of electric automobile, equipped with entire car controller, electric machine controller, intelligent power module, motor temperature
Sensor, rotating speed acquisition module, voltage acquisition module and current acquisition module, the entire car controller can be received from controlled
Gas pedal instruction, brake pedal instruction and the selector instruction of electric automobile, and the entire car controller can be total by CAN
Line output acceleration and deceleration are instructed to the electric machine controller；The motor temperature sensor, rotating speed acquisition module, voltage acquisition module
It is able to collect the temperature of the permanent magnet synchronous motor of the controlled electric automobile, rotating speed, winding electricity with current acquisition module
Pressure and winding current, the electric machine controller can receive the motor temperature sensor, rotating speed acquisition module, voltage acquisition mould
The data that block and current acquisition module collect, and the electric machine controller can export SVPWM to the intelligent power module
Control signal so that permanent magnet synchronous motor described in the intelligent power module respective drive, it is characterised in that：The motor control
Device processed is above-mentioned pure electric automobile Permanent Magnet Synchronous Motor Controller, and the rotating speed acquisition module is rotary transformer；It is described pure
The CAN transceiver of electric automobile Permanent Magnet Synchronous Motor Controller receives what the entire car controller exported by the CAN bus
Acceleration and deceleration instruct, and the pure electric automobile Permanent Magnet Synchronous Motor Controller receives the motor temperature by its AD sampling module and passes
The data that sensor, voltage acquisition module and current acquisition module collect, the rotor of the rotary transformer be installed on it is described forever
In the shaft of magnetic-synchro motor, the rotary transformer decoder module connection institute of the pure electric automobile Permanent Magnet Synchronous Motor Controller
The coil of rotary transformer is stated, to receive the data that the rotary transformer collects, the pure electric automobile permanent magnet synchronous electric
The output terminal of the magnetic coupling isolation module of machine controller connects the control terminal of the intelligent power module, to be isolated by the magnetic coupling
Module exports the SVPWM control signals to the intelligent power module.
Compared with prior art, the utility model has the advantages that：
First, the pure electric automobile Permanent Magnet Synchronous Motor Controller of the utility model, using model S32K142,
The processor chips composition processor system of S32K144, S32K146 and S32K148, with performance is excellent, price is low, security is good
The advantages of.
Second, the control system of electric automobile of the utility model, is controlled using above-mentioned pure electric automobile permanent magnet synchronous motor
Device and rotary transformer, to measure the rotating speed of permanent magnet synchronous motor, therefore, this practicality in a non contact fashion by rotary transformer
New control system of electric automobile is with shock resistance is good, temperature characterisitic is splendid, the ability to work of anti-adverse environment is strong, cost
The advantages of low.
Brief description of the drawings
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings：
Fig. 1 is the schematic block circuit diagram of the pure electric automobile Permanent Magnet Synchronous Motor Controller of the utility model；
Fig. 2 is the circuit diagram of rotary transformer decoder module in the utility model；
Fig. 3 is the circuit diagram of magnetic coupling isolation module in the utility model；
Fig. 4 is the circuit diagram of power module in the utility model；
Fig. 5 is the circuit diagram of power-down protection circuit in the utility model；
Fig. 6 is the schematic block circuit diagram of the control system of electric automobile of the utility model.
Embodiment
As shown in Figures 1 to 5, the utility model discloses a kind of pure electric automobile Permanent Magnet Synchronous Motor Controller, its
Inventive concept is：The pure electric automobile Permanent Magnet Synchronous Motor Controller is equipped with processor system, for communicating with entire car controller
CAN transceiver, the analog signal for external sensor to be collected be converted into digital signal AD sampling modules, for pair
The output signal of rotary transformer carries out decoded rotary transformer decoder module, the magnetic coupling for isolating forceful electric power and weak electric signal
Isolation module and the power module for powering for pure electric automobile Permanent Magnet Synchronous Motor Controller；CAN transceiver, AD sampling moulds
Block and rotary transformer decoder module are used for by the corresponding port of SPI interface connection processing device system, processor system respectively
The input terminal of the port connection magnetic coupling isolation module of SVPWM control signals is exported, wherein, SVPWM control signal (i.e. space vectors
Pulse-width signal) it is used to drive the permanent magnet synchronous motor of pure electric automobile.
On the basis of foregoing invention design, the utility model uses following preferable structure：
Preferred embodiment as the utility model：Processor system is made of processor chips and its peripheral circuit,
Wherein, any one in model S32K142, S32K144, S32K146 and S32K148 of processor chips, they are
Freescale S32K chips, their peripheral circuit includes reset circuit, clock circuit etc., using them as pure electric automobile
The core of Permanent Magnet Synchronous Motor Controller has the following advantages：1st, abundant information：S32K11x MCUs are a to be based on 32 ARM
Cortex-M0+, S32K14x MCUs are a MCU based on 32 ARM Cortex-M4F kernels.Based in the two ARM
The chip of core is on the consumer electronics market using widely, so resource is more, application experience is enriched；2nd, it is cost-effective：Flash
Up to 2MB, RAM be up to 256KB, dominant frequency 112MHZ, 2 CAN, FlexIO with CAN-FD can flexible expansion IO, ultralow
Power consumption, -40 DEG C~+125 DEG C of wide temperature range, price are low；3rd, safety certification：Meet the commercial Application of automobile and high reliability,
ISO CAN FD, CSEc hardware securities, ASIL-B ISO26262 functional safeties.The MCU can be applied to vehicle body and chassis control,
In-car airconditioning control, the control of PMSM/BLDC motors, passive security, parking assistance system, touch sensible, air bag, gateway
Deng.
Preferred embodiment as the utility model：CAN transceiver uses the high integration core of model UJA1164
Piece, the chip internal integrate two-way LDO voltage stabilizer and all the way high-speed CAN bus interface chip, can be carried out by SPI and MCU
Complicated power management work is realized in communication.
Preferred embodiment as the utility model：AD sampling modules use the AD sampling A/D chips of model AD7606.
Preferred embodiment as the utility model：Referring to Fig. 2, rotary transformer decoder module is by model
Decoding chip and its peripheral circuit composition of AD2S1200, the decoding chip is by the processor chips of processor system into line number
According to communication.
Preferred embodiment as the utility model：Referring to Fig. 3, magnetic coupling isolation module is using model ADUM3440's
High speed magnetic coupling isolating chip, the isolation signals frequency of the chip reach as high as 150Mbps, integrate 4 channel separations, and expanded letter encapsulation increases
Add creepage distance, which is used for isolation drive forceful electric power and controls the processor chips of weak electric signal, i.e. isolation processing device system
Pwm signal between IPM, realizes security control of the processor chips to IPM of processor system, plays protection internal circuit
Stable effect, wherein, the I/O port output voltage of the processor chips of processor system is 3.3V, and output current is small, magnetic coupling every
Play the role of improving the I/O port driving energy ability of processor chips at the same time from module.
Preferred embodiment as the utility model：Power module includes mutually independent first power circuit and second
Power circuit, the operating voltage that the power supply of exterior storage battery is converted into adaptation by the first power circuit are supplied to CAN transceiver, AD
Sampling module, rotary transformer decoder module and magnetic coupling isolation module, second source circuit change the power supply of exterior storage battery
Operating voltage into adaptation is supplied to processor system, to ensure the safe and reliable of power supply.Wherein, referring to Fig. 4, the first power supply electricity
Lu Wei：The power supply of exterior storage battery is 12V DC voltage DC12V-IN, and DC5V is exported after step-down switching regulator LM2596
Aforementioned peripheral interface circuit is supplied to use；Second source circuit is：The 12V DC voltage DC12V-IN of exterior storage battery, passes through
VCC5V DC voltages, three linear voltage stabilizing chips of the VCC5V again through AMS1117-3.3V are exported after isolated power voltage step down module
Change into VCC3.3V and supply foregoing core circuit use.
Preferred embodiment as the utility model：Pure electric automobile Permanent Magnet Synchronous Motor Controller is additionally provided with power down guarantor
Protection circuit；Power-down protection circuit can detect exterior storage battery whether normal power supply, and power-down protection circuit can will monitoring knot
Fruit is sent to processor system.Referring to Fig. 5, the circuit structure of power-down protection circuit is as follows：Resistance R54 and resistance R55, which is formed, to be divided
Volt circuit obtains the in-phase input end that 4.05V inputs to voltage comparator U15A, and 5V voltages are divided into by resistance R57 and resistance R58
2.5V inputs to the reverse input end of voltage comparator U15A.Pass to the in-phase input end INB+ voltages of voltage comparator U15A
Compared with the reference voltage 2.5V at inverting input INA- ends, when in-phase end INB+ voltages are more than end of oppisite phase INA- terminal voltages
When, the output terminal OUT output high level of voltage comparator U15A, when in-phase end INB+ voltages are less than end of oppisite phase INA- terminal voltages
When, the output terminal OUT output low levels of voltage comparator U15A.Exterior storage is represented if voltage comparator U15A exports low level
The DC voltage DC24V-IN voltages that battery provides are less than 7V, represent input power operation irregularity.Then the place of processor system
The output level for managing device chip I/O port detection voltage comparator U15A understands whether Switching Power Supply is working properly, if operation irregularity
Alarm signal is then sent immediately.
Preferred embodiment as the utility model：Pure electric automobile Permanent Magnet Synchronous Motor Controller also sets extension CAN
Transceiver；The corresponding port for extending CAN transceiver and processor system connects, and extension CAN transceiver is as spare interface, for must
Will when use.
As shown in fig. 6, the invention also discloses a kind of control system of electric automobile, equipped with entire car controller, motor
Controller, intelligent power module (i.e. IPM), motor temperature sensor, rotating speed acquisition module, voltage acquisition module and current acquisition
Module, entire car controller can receive the gas pedal instruction from controlled electric automobile, brake pedal instruction and selector and refer to
Order, and entire car controller can export acceleration and deceleration by CAN bus and instruct to electric machine controller；Motor temperature sensor, rotating speed
Acquisition module, voltage acquisition module and current acquisition module are able to collect the permanent magnet synchronous motor of controlled electric automobile
Temperature, rotating speed, winding voltage and winding current, electric machine controller can receive motor temperature sensor, rotating speed acquisition module, electricity
The data that pressure acquisition module and current acquisition module collect, and electric machine controller can export SVPWM to intelligent power module
Control signal, for forming closed-loop control so that intelligent power module respective drive permanent magnet synchronous motor, to make permanent-magnet synchronous
Motor drives controlled electric automobile during traveling.
The inventive concept of the control system of electric automobile of the utility model is：Its electric machine controller used is above-mentioned pure
Electric automobile Permanent Magnet Synchronous Motor Controller, the rotating speed acquisition module that it is used is rotary transformer；Pure electric automobile permanent magnetism is same
The CAN transceiver for walking electric machine controller receives the acceleration and deceleration instruction of entire car controller output by CAN bus, and pure electric automobile is forever
Magnetic-synchro electric machine controller receives motor temperature sensor, voltage acquisition module and current acquisition module by its AD sampling module
The data collected, the rotor of rotary transformer are installed in the shaft of permanent magnet synchronous motor, pure electric automobile permanent magnet synchronous electric
The coil of the rotary transformer decoder module connection rotary transformer of machine controller, to receive the number that rotary transformer collects
According to the control of the output terminal connection intelligent power module of the magnetic coupling isolation module of pure electric automobile Permanent Magnet Synchronous Motor Controller
End, to export SVPWM control signals to intelligent power module by magnetic coupling isolation module.
In addition, on the basis of foregoing invention design, the control system of electric automobile of the utility model is using following preferred
Structure：
Preferred embodiment as the utility model：The processor of entire car controller uses S32K148 chips, and IPM is adopted
With the PM75RL1A120 of Mitsubishi, there is overcurrent protection, input protection etc..
Referring to Fig. 2, the preferred embodiment as the utility model：Rotary transformer using the river rotary transformers that rub more
TS2640N321E64, the chip that 34,35 pins of the decoding chip of above-mentioned model AD2S1200 pass through model AD8048AR
The U2 drivings river rotary transformer TS2640N321E64 that rub, rotary transformer export sine and cosine pulse signal to decoding chip more
37,38,40,41 pins of AD2S1200, decoding chip AD2S1200 can obtain motor rotational shaft speed after data processing, turn
Fast information exports the processor chips to processor system by SPI interface.
Preferred embodiment as the utility model：Control system of electric automobile is additionally provided with IPM temperature sensors, IPM
Temperature sensor can collect the IGBT temperature of intelligent power module, and pure electric automobile Permanent Magnet Synchronous Motor Controller passes through it
AD sampling modules receive the data that IPM temperature sensors collect, and to monitor the temperature information of IGBT in IPM in real time, ensure
IGBT safe operations.
Preferred embodiment as the utility model：Control system of electric automobile is additionally provided with intelligence instrument；Full-vehicle control
Various kinds of sensors collection important information parameter is sent to intelligence instrument by device, to be shown to driver.
Preferred embodiment as the utility model：Control system of electric automobile is additionally provided with battery management system；It is controlled
The Vehicular charger of electric automobile charges to power battery pack, the discharge and recharge of battery management system dynamics of management battery pack, it is ensured that
Power battery pack safe and stable operation.
The utility model is not limited to above-mentioned embodiment, according to the above, according to the ordinary skill of this area
Knowledge and customary means, under the premise of the above-mentioned basic fundamental thought of the utility model is not departed from, the utility model can also be made
Equivalent modifications, replacement or the change of other diversified forms, all fall among the scope of protection of the utility model.
Claims (10)
- A kind of 1. pure electric automobile Permanent Magnet Synchronous Motor Controller, it is characterised in that：The pure electric automobile permanent magnet synchronous electric Machine controller be equipped with processor system, for communicate with entire car controller CAN transceiver, for external sensor to be collected Analog signal be converted into the AD sampling modules of digital signal, carry out decoded rotation for the output signal to rotary transformer Transformer decoder module, the magnetic coupling isolation module for isolating forceful electric power and weak electric signal and for for pure electric automobile permanent-magnet synchronous The power module of electric machine controller power supply；The CAN transceiver, AD sampling modules and rotary transformer decoder module pass through respectively SPI interface connects the corresponding port of the processor system, and the processor system is used for the port for exporting SVPWM control signals The input terminal of the magnetic coupling isolation module is connected, wherein, the SVPWM control signals are used to drive the permanent magnetism of pure electric automobile same Walk motor.
- 2. pure electric automobile Permanent Magnet Synchronous Motor Controller according to claim 1, it is characterised in that：The processor System is made of processor chips and its peripheral circuit, wherein, model S32K142, S32K144 of the processor chips, Any one in S32K146 and S32K148.
- 3. pure electric automobile Permanent Magnet Synchronous Motor Controller according to claim 1 or 2, it is characterised in that：The CAN Transceiver uses the highly integrated chip of model UJA1164.
- 4. pure electric automobile Permanent Magnet Synchronous Motor Controller according to claim 1 or 2, it is characterised in that：The AD Sampling module uses the AD sampling A/D chips of model AD7606.
- 5. pure electric automobile Permanent Magnet Synchronous Motor Controller according to claim 1 or 2, it is characterised in that：The rotation Transformation depressor decoder module is made of the decoding chip and its peripheral circuit of model AD2S1200.
- 6. pure electric automobile Permanent Magnet Synchronous Motor Controller according to claim 1 or 2, it is characterised in that：The magnetic Coupling isolation module uses the high speed magnetic coupling isolating chip of model ADUM3440.
- 7. pure electric automobile Permanent Magnet Synchronous Motor Controller according to claim 1 or 2, it is characterised in that：The electricity Source module includes mutually independent first power circuit and second source circuit, and first power circuit is by exterior storage battery The operating voltage that power supply is converted into adaptation is supplied to the CAN transceiver, AD sampling modules, rotary transformer decoder module and magnetic Coupling isolation module, the operating voltage that the power supply of the exterior storage battery is converted into adaptation by the second source circuit are supplied to institute State processor system.
- 8. pure electric automobile Permanent Magnet Synchronous Motor Controller according to claim 7, it is characterised in that：The pure electric vehicle Automobile permanent magnet synchronous motor controller is additionally provided with power-down protection circuit；The power-down protection circuit can detect the exterior electric power storage Pond whether normal power supply, and monitoring result can be sent to the processor system by the power-down protection circuit.
- 9. pure electric automobile Permanent Magnet Synchronous Motor Controller according to claim 1 or 2, it is characterised in that：Described is pure Electric automobile Permanent Magnet Synchronous Motor Controller also sets extension CAN transceiver；The extension CAN transceiver and the processor system Corresponding port connection.
- 10. a kind of control system of electric automobile, passes equipped with entire car controller, electric machine controller, intelligent power module, motor temperature Sensor, rotating speed acquisition module, voltage acquisition module and current acquisition module, the entire car controller can be received from controlled electricity Gas pedal instruction, brake pedal instruction and the selector instruction of electrical automobile, and the entire car controller can pass through CAN bus Output acceleration and deceleration are instructed to the electric machine controller；The motor temperature sensor, rotating speed acquisition module, voltage acquisition module and Current acquisition module is able to collect temperature, rotating speed, the winding voltage of the permanent magnet synchronous motor of the controlled electric automobile And winding current, the electric machine controller can receive the motor temperature sensor, rotating speed acquisition module, voltage acquisition module The data collected with current acquisition module, and the electric machine controller can export SVPWM controls to the intelligent power module Signal processed so that permanent magnet synchronous motor described in the intelligent power module respective drive, it is characterised in that：The motor control Device is the pure electric automobile Permanent Magnet Synchronous Motor Controller described in claim 1 to 9 any one, the rotating speed acquisition module For rotary transformer；The CAN transceiver of the pure electric automobile Permanent Magnet Synchronous Motor Controller receives institute by the CAN bus The acceleration and deceleration instruction of entire car controller output is stated, the pure electric automobile Permanent Magnet Synchronous Motor Controller passes through its AD sampling module Receive the data that the motor temperature sensor, voltage acquisition module and current acquisition module collect, the rotary transformer Rotor be installed in the shaft of the permanent magnet synchronous motor, the rotation of the pure electric automobile Permanent Magnet Synchronous Motor Controller becomes Depressor decoder module connects the coil of the rotary transformer, described pure to receive the data that the rotary transformer collects The output terminal of the magnetic coupling isolation module of electric automobile Permanent Magnet Synchronous Motor Controller connects the control terminal of the intelligent power module, To export the SVPWM control signals to the intelligent power module by the magnetic coupling isolation module.
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| CN201721292894.1U CN207311174U (en) | 2017-10-09 | 2017-10-09 | A kind of pure electric automobile Permanent Magnet Synchronous Motor Controller and control system of electric automobile |
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