CN207638591U - A kind of AC induction motor controller of direct field-oriented control - Google Patents
A kind of AC induction motor controller of direct field-oriented control Download PDFInfo
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- CN207638591U CN207638591U CN201721683610.1U CN201721683610U CN207638591U CN 207638591 U CN207638591 U CN 207638591U CN 201721683610 U CN201721683610 U CN 201721683610U CN 207638591 U CN207638591 U CN 207638591U
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Abstract
The utility model discloses a kind of AC induction motor controllers of direct field-oriented control, including dsp controller, operational monitoring module, optocoupler drive module, power module, CAN communication module and detection module, the operational monitoring module, optocoupler drive module, power module, CAN communication module and detection module are connected with the dsp controller；The optocoupler drive module is connected with power module, and the power module is connected with AC induction motor, and the AC induction motor is connected with photoelectric encoder, and the photoelectric encoder connects the operational monitoring module；The optocoupler drive module is connected with power module, and the power module connects key switch, and the key switch is connected with accumulator group, and the accumulator group connects main contactor, and the main contactor connects the power module.The controller architecture is simple, novel in design, with strong points, high degree of automation, has well solved the control problem of automobile AC induction motor.
Description
Technical field
The utility model is related to a kind of AC induction motor controllers of direct field-oriented control.
Background technology
With the influence of Global climate change and the development of new-energy automobile, pure electric automobile has become energy conservation and environmental protection green
One of most important developing direction of vehicle.As the application of electronics and information technology on automobile is more universal, pure electric automobile
It needs preferably to realize pure electric vehicle by controller come the relationship between the critical pieces such as the motor of management coordination vehicle, battery
The correlated performances such as automobile use, reliable.
The application purpose of controller for pure electric automobile neither one mainstream at present, each producer's research and development pure electric vehicle controller is all
It is designed according to its own demand.Design feature is had nothing in common with each other.In consideration of it, designing a kind of AC induction motor control of vehicle
Device system processed, can be communicated by CAN communication with entire car controller, carry out information exchange, and system structure is simple, management association
Vehicle component is adjusted, the operating characteristics of electric vehicle is improved.
Utility model content
The purpose of this utility model is to provide a kind of AC induction motor controller of direct field-oriented control, the controllers
Simple in structure, novel in design, with strong points, high degree of automation, the control for having well solved automobile AC induction motor are asked
Topic.
In order to solve the above-mentioned technical problem, it adopts the following technical scheme that：
A kind of AC induction motor controller of direct field-oriented control, including dsp controller, operational monitoring module, optocoupler
Drive module, power module, CAN communication module and detection module, the operational monitoring module, optocoupler drive module, power supply mould
Block, CAN communication module and detection module are connected with the dsp controller；The optocoupler drive module is connected with power mould
Block, the power module are connected with AC induction motor, and the AC induction motor is connected with photoelectric encoder, and the photoelectricity is compiled
Code device connects the operational monitoring module；The optocoupler drive module is connected with power module, described in the power module connection
Key switch, the key switch are connected with accumulator group, and the accumulator group connects the main contactor, the main contactor
Connect the power module.
Further, the CAN communication module is connected with hander and instrument.
Further, the operational monitoring module is connected with gear shifting device, E-Gas and brake.
Further, the dsp controller is TI TMS320F2802DSP digital processing chips.Alternating-current controller is mainly
With the totally digitilized Exchange Server of TI TMS320F2802DSP digital processing chips core in order to control, there is high stability, height
The features such as reliability and highly energy-saving, consumption-lowering, for the realization of complicated control algolithm, intelligence control system or even network control system
Provide hardware support.
Further, fuse is equipped between the accumulator group and key switch.
Further, the dsp controller is connected with energy recovery module.
Further, the AC induction motor is connected with current sensor and temperature sensor.
Further, driving circuit is equipped in the optocoupler drive module.
Due to the adoption of the above technical scheme, it has the advantages that：
The utility model is a kind of AC induction motor controller of direct field-oriented control, and the controller architecture is simple, sets
Novel, with strong points, high degree of automation is counted, the control problem of automobile AC induction motor has been well solved.The controller
The operating parameter of each module is detected by hardware circuit, and feedback regulation vehicle is carried out by software program according to the parameter being collected into
Operating status.The controller is mainly that the totally digitilized of core is handed in order to control with TI TMS320F2802DSP digital processing chips
Servomechanism is flowed, has the characteristics that high stability, high reliability and highly energy-saving, consumption-lowering, for complicated control algolithm, intelligent control system
The realization of system or even network control system provides hardware support.
Description of the drawings
The utility model is described in further detail below in conjunction with the accompanying drawings：
Fig. 1 is a kind of structural schematic diagram of the AC induction motor controller of direct field-oriented control in the utility model.
Specific implementation mode
As shown in Figure 1, a kind of AC induction motor controller of direct field-oriented control, including dsp controller, operational monitoring
Module, optocoupler drive module, power module, CAN communication module and detection module, the operational monitoring module, optocoupler drive mould
Block, power module, CAN communication module and detection module are connected with the dsp controller；The optocoupler drive module connection
There are power module, the power module to be connected with AC induction motor, the AC induction motor is connected with photoelectric encoder, institute
It states photoelectric encoder and connects the operational monitoring module；The optocoupler drive module is connected with power module, the power module
The key switch is connected, the key switch is connected with accumulator group, and the accumulator group connects the main contactor, described
Main contactor connects the power module.Optocoupler drive module and power module form power driven system, power driven system
It is the circuit that low-voltage and high-current is provided for motor in electric automobile.Voltage is in 36-86V, when for 48V, the 48V direct currents of system
It is directed to accumulator.48V direct currents are first filtered, and are then used as busbar DC voltage for three-phase bridge.Cooperation 6 simultaneously
Road PWM wave controls the switch of three phase full bridge metal-oxide-semiconductor.Finally the alternating current that DC inverter changes at frequency is driven asynchronous
The rotation of motor.So the power driven system of electric vehicle includes filtering, three-phase bridge inversion, rectifying and wave-filtering, current sample, electricity
Pressure feedback, regulator circuit and protection circuit.Driving circuit is mainly completed to be that TMS320F2802 main control chips drive mould with MOSFET
Signal control, signal isolation and overcurrent, overheating protection circuit between block etc..
After accumulator enters alternating-current controller, opening and shutting off for power module, key are controlled by key switch first
After switch is opened, the power supply that accumulator group provides generates a few road small voltage power supplys as main control chip and driving mould by Switching Power Supply
Block is powered, this Switching Power Supply is power module.
After power module is working properly, main control chip is started to work, and accumulator battery voltage, motor are detected by detection module
Whether temperature, controller temperature, gear shifting device, E-Gas, brake etc. are normal, such as all go well, and main control chip controls main contact
Device is attracted, and accumulator group is powered for power module.Such as there is overvoltage or under-voltage, temperature is excessively high, and booting has gear signal, accelerates letter
Number, phenomena such as brake, main contactor is not attracted, until detection module detection is normal.
The operating status of vehicle is mainly fed back to main control chip by operational monitoring module, and motor is detected by photoelectric encoder
The position and speed of rotor；By the rotation direction for detecting gear shifting device signal control motor；By detecting E-Gas signal
Size, the power of control vehicle traveling；Brake signal is detected to start energy regenerating or cancel power output；Inspection for electric current
Survey then is the output for controlling power and the operation in closed-loop control.
AC induction motor is the power resources of vehicle, and controller exports control signal by main control chip, driven by optocoupler
Dynamic model block will control signal amplification, be used for driving power module.Power module is according to the instruction of main control chip by accumulator group
DC inverter is at the alternating current that AC induction motor can be driven to operate, to drive vehicle to travel.The direction of vehicle traveling
It is then to feed back to main control chip by running detection module with speed.
CAN bus module can be used for the display and adjustment that hander carries out data, it can also be used to which the signal of intelligence instrument is logical
Letter, can also be communicated with vehicle management system.
Energy recovery module is then the reversely operated of dsp controller, and when vehicle is under sliding state, controller inactivity is defeated
Go out, motor can be used as generator at this time, and by the control of director demon, the mechanical energy of motor is converted into electric energy reversely charging to storage
In battery pack, to realize energy regenerating.
The CAN communication module is connected with hander and instrument.
The operational monitoring module is connected with gear shifting device, E-Gas and brake.
The dsp controller is TI TMS320F2802DSP digital processing chips.Alternating-current controller is mainly with TI
The totally digitilized Exchange Server of TMS320F2802DSP digital processing chips core in order to control has high stability, highly reliable
Property and the features such as highly energy-saving, consumption-lowering, the realization for complicated control algolithm, intelligence control system or even network control system provides
Hardware support.
Fuse is equipped between the accumulator group and key switch.Accumulator group is vehicle power supply, accumulator group
Incoming transport controller (is not drawn into) in figure by fuse, fuse (fuse) plays the role of short-circuit protection, because uncontrollable
When factor processed leads to super-high-current, power-off protection is played the role of in blown fuse.
The dsp controller is connected with energy recovery module.Since electric vehicle frequently executes start-stop operation and electric power storage
Battery-powered reason so that the function that the energy feedback of PMSM necessitates.Electric vehicle is braking and is loading the process declined
In, PMSM is often operated in Generator Status.The kinetic energy of electric vehicle or potential energy are changed into electric energy and fill telegram in reply pond again at this time,
Considerable part energy will be recycled.The cruise duration of electric vehicle can be extended, also reached energy-saving and environment-friendly and wanted
It asks.
The AC induction motor is connected with current sensor and temperature sensor.In order to protect power device and motor,
It needs to carry out real-time sampling to Current Voltage and temperature.Different protection acts is taken according to the different operating status of motor.This
The common completion of AD samplings that the function of a part passes through current sensor, temperature sensor and TMS320F2802.When the electricity of sampling
When stream and voltage exceed the safe range of system, then pressure limiting and current-limiting protection are carried out by software.If electric current and voltage are super
Go out except warning value, then software stops output UVW three-phase electricities by blocking PWM wave to turn off MOSFET power tubes, to protect
Motor and servo-control system.
Driving circuit is equipped in the optocoupler drive module.
The controller is by dsp controller, optocoupler drive module, accumulator group, AC induction motor, photoelectric encoder, temperature
Spend the compositions such as sensor, main contactor, key switch, fuse.Accumulator group for entire servo-control system provide 48V,
The power supply of 60V, 72V.CAN interface manages the communication function between dsp controller and intelligence instrument；Fuse is used for protecting
Control circuit and power cell；Dsp controller part uses the TMS320F2802 chips of TI companies.The processor is mainly born
The execution of control strategy is blamed, the control algolithm of system is realized herein；It also achieves simultaneously to interfaces such as CAN bus and JTAG
Communication function；
The principle of alternating-current controller：It samples the position and speed for obtaining rotor according to photoelectric encoder；Pass through AD
Sampling obtains voltage, and the A/D module sent back to inside DSP judges whether overcurrent, overvoltage, under-voltage；Space voltage vector tune
Examination, synthesize the wide waveform of pwm pulse tune, driving power module to generate the sine-wave current needed for asynchronous machine so that
Motor is operated by scheduled instruction.Using TMS320F2802 as master controller, portion completes in the chip for the processing of motor.
TMS320F2802 chips have 32 fixed-point CPUs, support 16*16 with 32*32 multiply and accumulation operations, clock frequency
Up to 120MHZ, enhanced Harvard bus structures；Expand with 3 external interrupts, the peripheral interrupt of 45 peripheral interrupts are supported
Open up (PIE) module, 3 32 bit timing devices, up to 56 programmable universal I/O pins；Two event manager module EVA and
EVB；Serial Peripheral Interface (SPI) (SPI), dual serial communication interface (SCI), optimal control LAN (eCAN), SPI mode it is more
Channel buffer-type serial line interface (MeBSP)；There are 16 channels to be by 12 ADC：2 × 8 channel multichannel inputs, two samplings and guarantor
It holds, fast conversion times：200ns；The pipeline conversion time：60ns；Advanced simulation performance includes：Analysis and breakpoint function,
JTAG is debugged in real time online.
The above are only specific embodiments of the present invention, but the technical characteristics of the utility model is not limited thereto.Appoint
How based on the utility model, for the technical problem for solving essentially identical, essentially identical technique effect is realized, madely
Simple change, equivalent replacement or modification etc., are all covered by among the scope of protection of the utility model.
Claims (8)
1. a kind of AC induction motor controller of direct field-oriented control, it is characterised in that：Including dsp controller, operational monitoring
Module, optocoupler drive module, power module, CAN communication module and detection module, the operational monitoring module, optocoupler drive mould
Block, power module, CAN communication module and detection module are connected with the dsp controller；The optocoupler drive module connection
There are power module, the power module to be connected with AC induction motor, the AC induction motor is connected with photoelectric encoder, institute
It states photoelectric encoder and connects the operational monitoring module；The optocoupler drive module is connected with power module, the power module
Key switch is connected, the key switch is connected with accumulator group, and the accumulator group connects main contactor, the main contactor
Connect the power module.
2. a kind of AC induction motor controller of direct field-oriented control according to claim 1, it is characterised in that：It is described
CAN communication module is connected with hander and instrument.
3. a kind of AC induction motor controller of direct field-oriented control according to claim 1, it is characterised in that：It is described
Operational monitoring module is connected with gear shifting device, E-Gas and brake.
4. a kind of AC induction motor controller of direct field-oriented control according to claim 1, it is characterised in that：It is described
Dsp controller is TI TMS320F2802DSP digital processing chips.
5. a kind of AC induction motor controller of direct field-oriented control according to claim 1, it is characterised in that：It is described
Fuse is equipped between accumulator group and key switch.
6. a kind of AC induction motor controller of direct field-oriented control according to claim 1, it is characterised in that：It is described
Dsp controller is connected with energy recovery module.
7. a kind of AC induction motor controller of direct field-oriented control according to claim 1, it is characterised in that：It is described
AC induction motor is connected with current sensor and temperature sensor.
8. a kind of AC induction motor controller of direct field-oriented control according to claim 1, it is characterised in that：It is described
Driving circuit is equipped in optocoupler drive module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721683610.1U CN207638591U (en) | 2017-12-06 | 2017-12-06 | A kind of AC induction motor controller of direct field-oriented control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721683610.1U CN207638591U (en) | 2017-12-06 | 2017-12-06 | A kind of AC induction motor controller of direct field-oriented control |
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| Publication Number | Publication Date |
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| CN207638591U true CN207638591U (en) | 2018-07-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721683610.1U Active CN207638591U (en) | 2017-12-06 | 2017-12-06 | A kind of AC induction motor controller of direct field-oriented control |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107834925A (en) * | 2017-12-06 | 2018-03-23 | 杭州安疌能动力科技有限公司 | A kind of AC induction motor controller of direct field-oriented control |
-
2017
- 2017-12-06 CN CN201721683610.1U patent/CN207638591U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107834925A (en) * | 2017-12-06 | 2018-03-23 | 杭州安疌能动力科技有限公司 | A kind of AC induction motor controller of direct field-oriented control |
| CN107834925B (en) * | 2017-12-06 | 2023-12-08 | 杭州安疌能动力科技有限公司 | Alternating current asynchronous motor controller controlled by directional vector |
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