CN205706191U - A kind of control system of electric automobile - Google Patents
A kind of control system of electric automobile Download PDFInfo
- Publication number
- CN205706191U CN205706191U CN201620667608.4U CN201620667608U CN205706191U CN 205706191 U CN205706191 U CN 205706191U CN 201620667608 U CN201620667608 U CN 201620667608U CN 205706191 U CN205706191 U CN 205706191U
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- motor
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- 230000005540 biological transmission Effects 0.000 claims abstract description 14
- 239000000178 monomer Substances 0.000 claims description 9
- 230000005611 electricity Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 3
- 230000004888 barrier function Effects 0.000 claims 1
- 208000032953 Device battery issue Diseases 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
Classifications
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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
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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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
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
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- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The utility model relates to a kind of control system of electric automobile.Described system includes: entire car controller, by automatic transmission and the rear-guard motor that two wheels are mechanically connected below, rear-guard electric machine controller, it is integrated in rear-guard motor internal and connected the automatic transmission of two wheels next by drive axle, first wheel motor, the second wheel hub motor and first wheel electric machine controller, the second hub motor control device being separately mounted in the wheel hub of above two wheels, sensor assembly, battery and motor high voltage power supply device, power-supply management system.Above two wheels can independently control, and makes two wheels not trackslip, reduces tire wear；Use the rear-guard motor of integrated automatic transmission, make rear-guard motor be operated in high efficient area, add the service life of rear-guard motor, improve distance travelled；Use four-wheel drive can realize promptly accelerating；Use motor assist control for brake, enhance the braking ability of car load, reduce energy loss by reclaiming braking energy.
Description
Technical field
The utility model belongs to electric vehicle engineering field, is specifically related to a kind of control system of electric automobile.
Background technology
At present, automobile has been increasingly becoming indispensable in life riding instead of walk and transport facility, but traditional combustion engine vapour
The energy crisis that car causes and problem of environmental pollution become increasingly conspicuous, and electric automobile becomes the effective way solving this problem.
Electric automobile whole-control system is a lot of in the market, and major part is to drive based on a motor, or based on
The whole-control system that two wheel hub/limit motors independently drive.Based on a motor-driven whole-control system, although control
Method is extremely simple, but owing to Motor torque is little, car load power performance is poor, even if using the motor that moment of torsion is bigger, also not
Can guarantee that motor always works at high efficiency operating district, affect motor service life.Independently drive based on two wheel hubs/limit motor
Whole-control system, although using two motors independently to drive, driving moment meets car load power demand, but at automobile emergency
Accelerate or when running at high speed, cannot guarantee that motor always works at high efficiency operating district, affect motor service life, cause
The loss of the energy content of battery, shortens electric automobile during traveling mileage.
The patent of invention of Application No. 201380013639.7, discloses the driving-force control apparatus of a kind of electric automobile,
Described device includes: two motor, and the left and right sidesing driving wheel of its either one in front-wheel or trailing wheel independently produces driving
Power；Motor torque limiting unit, it can limit the moment of torsion of two motor；Driving force detection unit, it judges in left and right wheels
The driving force of which wheel is big；Motor torque control unit, the big wheel of its driving wheel in Ackermann steer angle, with left and right wheels
In the case that corresponding motor is by torque limit, carry out increasing correction to the moment of torsion of the motor of the opposing party, to remain left
Total driving force of right wheel.The advantage of this invention it is possible to be driven two, the left and right in front-wheel or trailing wheel wheel independently；Its
Existing problems are to simultaneously drive front wheels and rear wheels, cannot guarantee that motor always works at high efficiency operating district, impact electricity
Machine service life, battery power consumption is big.
Utility model content
In order to solve the above-mentioned problems in the prior art, the utility model proposes a kind of control system of electric automobile.
For reaching above-mentioned purpose, the utility model adopts the following technical scheme that
A kind of control system of electric automobile, comprising: entire car controller, by automatic transmission and two wheel machinery below
The rear-guard motor connecting, rear-guard electric machine controller, it is integrated in rear-guard motor internal, connect two wheels next by drive axle
Automatic transmission, the first wheel motor being separately mounted in the wheel hub of above two wheels, the second wheel hub motor and the first round
Hub electric machine controller, the second hub motor control device, sensor assembly, battery and motor high voltage power supply device, power management system
System.Entire car controller is to first wheel electric machine controller, the second hub motor control device, rear-guard electric machine controller, power management
The signal of system and sensor assembly input carries out data process, and output control instruction is to rear-guard electric machine controller, first wheel
Electric machine controller, the second hub motor control device and power-supply management system.
Further, described control system also include for realize entire car controller and first wheel electric machine controller, the
The CAN of the data communication between two hub motor control devices, rear-guard electric machine controller, power-supply management system and sensor assembly is total
Line.
Further, sensor assembly includes: for measuring the actual steering wheel angle sensor turning over angle of steering wheel,
For measuring the accelerator pedal position sensor of the actual aperture of accelerator pedal, the braking for measuring the actual aperture of brake pedal is stepped on
Board position sensor.The output signal of three sensors all inputs to entire car controller.
Further, first wheel electric machine controller, the second hub motor control device and rear-guard electric machine controller are respectively
By first wheel motor speed sensor, the second wheel hub motor speed probe and rear-guard motor speed sensor (revolution speed sensing
Device is that motor carries) tach signal of output and dtc signal (being obtained by gathering motor working current) feed back to car load control
Device processed, it is achieved closed-loop control.
Further, automatic transmission includes gear selection mechanism and shifter, realizes certainly under the effect of entire car controller
Dynamic gear selecting and gear shift.
Further, battery and motor high voltage power supply device are for providing power supply for motor, comprising: battery, mainly
The circuit for producing high voltage being made up of pre-charge circuit and main charging circuit, protection circuit.
Further, power-supply management system is by the monomer voltage of the battery detecting and the battery of motor high voltage power supply device
And monomer temperature, global voltage, cell voltage take the percentage SOC of capacity voltage and feed back to entire car controller.Full-vehicle control
The electronic instrument panel that global voltage and SOC deliver to automobile is shown by device, sends according to the size of SOC that battery electric quantity is too low to be carried
Awake signal, the size of the monomer temperature according to battery sends battery failures alarm signal, and exports control instruction to power management
System, is cut off energy content of battery output by power-supply management system.
Described control system of electric automobile is slightly modified, it is also possible to be applied to first wheel motor and the second wheel hub motor
Two wheels next, do not drive wheel (such as above two cars by being integrated with the rear-guard motor application of automatic transmission in other
Wheel).
Compared with prior art, the utility model has the advantages that
(1) the utility model uses first wheel motor and the second wheel hub motor can independently control, and have tradition and drive
The incomparable advantage of dynamic method, ensure that two wheels do not trackslip, reduces tire wear, it is ensured that electric automobile during traveling
Security；
(2) the utility model uses the rear-guard motor of integrated automatic transmission, and rear-guard motor can be made to be operated in high efficiency
District, adds the service life of rear-guard motor, effectively increases the distance travelled of electric automobile；
(3) the utility model uses first wheel motor, the second wheel hub motor and rear-guard motor simultaneously, is capable of front-wheel
Drive control, rear wheel drive control or four-wheel drive control, and at wheel hub motor and hub motor control device or rear-guard motor
And rear-guard electric machine controller remains able to when breaking down make electric automobile normally travel, improve the reliable of electric automobile work
Property；
(4) the utility model uses motor assist control for brake, enhances the braking ability of car load, by reclaiming Brake Energy
Amount reduces energy loss.
Brief description
Fig. 1 is control system of electric automobile composition frame chart.
In figure: 1-entire car controller, 2-rear-guard electric machine controller, 3-rear-guard motor, 4-first wheel electric machine controller, 5-
Second hub motor control device, 6-first wheel motor, 7-the second wheel hub motor, 8-power-supply management system, 9-battery and motor
High voltage power supply device, 10-sensor assembly.
Detailed description of the invention
With embodiment, the utility model is described further below in conjunction with the accompanying drawings.
A kind of control system of electric automobile, comprising: entire car controller 1, by automatic transmission and two wheel machines below
The rear-guard motor 3 that tool connects, rear-guard electric machine controller 2, it is integrated in rear-guard motor 3 inside, connect two next by drive axle
The automatic transmission of wheel, the first wheel motor being separately mounted in the wheel hub of above two wheels the 6th, the second wheel hub motor 7
And first wheel electric machine controller the 4th, the second hub motor control device 5, sensor assembly 10, battery and motor high voltage power supply device
9, power-supply management system 8.Entire car controller 1 is to first wheel electric machine controller the 4th, the second hub motor control device the 5th, rear-guard motor
The signal of controller the 2nd, power-supply management system 8 and sensor assembly 10 input carries out data process, and output control instruction is to rear-guard
Electric machine controller the 2nd, first wheel electric machine controller the 4th, the second hub motor control device 5 and power-supply management system 8.
Described control system also includes for realizing entire car controller 1 and first wheel electric machine controller the 4th, the second wheel hub electricity
The CAN of machine controller the 5th, rear-guard electric machine controller the 2nd, the data communication between power-supply management system 8 and sensor assembly 10.
By CAN, the data needed for entire car controller can be gathered, it is also possible to enter row data communication with other controllers, also may be used
By CAN entire car controller demarcated and to safeguard.By detecting load factor, the erroneous frame of CAN, suitably adjust
The frame number of whole CAN message, frequency, it is possible to reduce communication contention aware and mistake, reduce external disturbance, improves the stability of CAN.
Sensor assembly 10 includes: for measuring the actual steering wheel angle sensor turning over angle of steering wheel, be used for surveying
The accelerator pedal position sensor of the amount actual aperture of accelerator pedal, for measuring the brake pedal position of the actual aperture of brake pedal
Sensor.The output signal of three sensors all inputs to entire car controller 1.
First wheel electric machine controller the 4th, the second hub motor control device 5 and rear-guard electric machine controller 2 are respectively by the first round
Hub motor speed sensor, the second wheel hub motor speed probe and rear-guard motor speed sensor output tach signal and turn
Square signal feeds back to entire car controller 1, it is achieved closed-loop control.
Automatic transmission is electric control mechanical type automatic speed variator, including gear selection mechanism and shifter, at entire car controller 1
Automatic gear selecting and gear shift is realized under the control signal effect of output.
Battery and motor high voltage power supply device 9 are for providing power supply for motor, comprising: battery, mainly by being pre-charged
Circuit and the circuit for producing high voltage of main charging circuit composition, protection circuit.
Power-supply management system 8 is by the monomer voltage of the battery detecting and the battery of motor high voltage power supply device 9 and monomer
The percentage SOC that temperature, global voltage, cell voltage take capacity voltage feeds back to entire car controller 1.Entire car controller 1 will
The electronic instrument panel that global voltage and SOC deliver to automobile shows, sends too low prompting of battery electric quantity according to the size of SOC and believes
Number, the size of the monomer temperature according to battery sends battery failures alarm signal, and exports control instruction to power-supply management system
8, power-supply management system 8 is cut off energy content of battery output.
The control system of electric automobile that the utility model proposes, is capable of only driving first wheel motor and the second wheel hub
The front-wheel drive control of motor, the rear wheel drive of rear-guard motor is only driven to control or simultaneously drive first wheel motor, second take turns
The four-wheel drive control of hub motor and rear-guard motor and auxiliary braking control.Use front-wheel drive control, first wheel motor
Can independently control with the second wheel hub motor, there is the incomparable advantage of conventional drive method, ensure that two wheels not
Trackslip, reduce tire wear, it is ensured that the security of electric automobile during traveling；Use rear wheel drive control, by selecting automatically
The gear of speed changer, can make rear-guard motor be operated in high efficient area, add the service life of rear-guard motor, effectively increase
The distance travelled of electric automobile；Use four-wheel drive control, be capable of promptly accelerating, and at wheel hub motor and wheel hub motor
Controller or rear-guard motor and rear-guard electric machine controller remain able to when breaking down make electric automobile normally travel, and improve electricity
The reliability of electrical automobile work.The control system of electric automobile that the utility model proposes can also carry out motor assist braking control
System, enhances the braking ability of car load, reduces energy loss by reclaiming braking energy.
The utility model is not limited to above-mentioned embodiment, and it is any to above-mentioned embodiment that those skilled in the art are made
Conspicuously improved or change, all without beyond design of the present utility model and the protection domain of claims.
Claims (7)
1. a control system of electric automobile, it is characterised in that include: entire car controller, by automatic transmission and below two
The rear-guard motor that individual wheel is mechanically connected, rear-guard electric machine controller, be integrated in rear-guard motor internal, connected by drive axle after
The automatic transmission of two wheels, the first wheel motor being separately mounted in the wheel hub of above two wheels, the second wheel hub electricity
Machine and first wheel electric machine controller, the second hub motor control device, sensor assembly, battery and motor high voltage power supply device,
Power-supply management system；Entire car controller is to first wheel electric machine controller, the second hub motor control device, the control of rear-guard motor
The signal of device, power-supply management system and sensor assembly input carries out data process, and output control instruction controls to rear-guard motor
Device, first wheel electric machine controller, the second hub motor control device and power-supply management system.
2. control system of electric automobile according to claim 1, it is characterised in that described control system also includes for reality
Existing entire car controller and first wheel electric machine controller, the second hub motor control device, rear-guard electric machine controller, power management system
The CAN of the data communication between system and sensor assembly.
3. control system of electric automobile according to claim 1, it is characterised in that sensor assembly includes: be used for measuring
The actual steering wheel angle sensor turning over angle of steering wheel, the accelerator pedal position for measuring the actual aperture of accelerator pedal passes
Sensor, for measuring the brake pedal position sensor of the actual aperture of brake pedal；The output signal of three sensors all inputs
To entire car controller.
4. control system of electric automobile according to claim 3, it is characterised in that first wheel electric machine controller, second
First wheel motor speed sensor, the second wheel hub motor rotating speed are passed by hub motor control device and rear-guard electric machine controller respectively
The tach signal of sensor and the output of rear-guard motor speed sensor and dtc signal feed back to entire car controller, it is achieved closed loop control
System.
5. control system of electric automobile according to claim 1, it is characterised in that automatic transmission include gear selection mechanism and
Shifter, realizes automatic gear selecting and gear shift under the effect of entire car controller.
6. control system of electric automobile according to claim 1, it is characterised in that battery and motor high voltage power supply device are used
In for motor provide power supply, comprising: battery, the high pressure being mainly made up of pre-charge circuit and main charging circuit produce electricity
Road, protection circuit.
7. control system of electric automobile according to claim 1, it is characterised in that the electricity that power-supply management system will detect
The monomer voltage of the battery of pond and motor high voltage power supply device and monomer temperature, global voltage, cell voltage take capacity voltage
Percentage SOC feed back to entire car controller；The electronic instrument panel that global voltage and SOC are delivered to automobile by entire car controller is carried out
Display, sends the too low alerting signal of battery electric quantity according to the size of SOC, and the size of the monomer temperature according to battery sends battery event
Barrier alarm signal, and export control instruction to power-supply management system, power-supply management system is cut off energy content of battery output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620667608.4U CN205706191U (en) | 2016-06-29 | 2016-06-29 | A kind of control system of electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620667608.4U CN205706191U (en) | 2016-06-29 | 2016-06-29 | A kind of control system of electric automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205706191U true CN205706191U (en) | 2016-11-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620667608.4U Expired - Fee Related CN205706191U (en) | 2016-06-29 | 2016-06-29 | A kind of control system of electric automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205706191U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113119703A (en) * | 2019-12-30 | 2021-07-16 | 观致汽车有限公司 | Driving system and electric automobile with same |
| CN114368276A (en) * | 2020-10-16 | 2022-04-19 | 华为数字能源技术有限公司 | Vehicle driving system and electric automobile |
-
2016
- 2016-06-29 CN CN201620667608.4U patent/CN205706191U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113119703A (en) * | 2019-12-30 | 2021-07-16 | 观致汽车有限公司 | Driving system and electric automobile with same |
| CN114368276A (en) * | 2020-10-16 | 2022-04-19 | 华为数字能源技术有限公司 | Vehicle driving system and electric automobile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161123 |