CN108773274A - The braking energy of electric automobiles recovery method of single motor four-wheel drive - Google Patents
The braking energy of electric automobiles recovery method of single motor four-wheel drive Download PDFInfo
- Publication number
- CN108773274A CN108773274A CN201810563872.7A CN201810563872A CN108773274A CN 108773274 A CN108773274 A CN 108773274A CN 201810563872 A CN201810563872 A CN 201810563872A CN 108773274 A CN108773274 A CN 108773274A
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- China
- Prior art keywords
- electric vehicle
- wheel drive
- entire car
- car controller
- energy
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L7/00—Electrodynamic brake systems for vehicles in general
- B60L7/10—Dynamic electric regenerative braking
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/02—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of clutch
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/34—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles
-
- 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
- B60R16/023—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 for transmission of signals between vehicle parts or subsystems
- B60R16/0231—Circuits relating to the driving or the functioning of the vehicle
Abstract
The invention discloses a kind of braking energy of electric automobiles recovery methods of single motor four-wheel drive, electric vehicle includes entire car controller and a driving motor, one end of driving motor is connected by front clutch with preceding driving retarder, the other end is connected by rear clutch with rear driving retarder, driving retarder is connected with front-wheel before described, rear that retarder is driven to be connected with trailing wheel；This approach includes the following steps：Entire car controller judges whether electric vehicle is in on-position, if being judged as, electric vehicle is in on-position, carries out the recycling of braking energy, otherwise enters normally travel state.The present invention can effectively realize that the recycling of braking energy, organic efficiency are higher；It is driven using single motor and can realize four-wheel drive pattern, greatly reduced complete vehicle weight and cost, can enough power preferably be reached into road surface, enhance acceleration and the cross-country power of automobile.
Description
Technical field
The present invention relates to electric vehicle engineering fields, and in particular to a kind of electric vehicle brake energy of single motor four-wheel drive
Measure recovery method.
Background technology
Electric vehicle is that the vehicle of wheels travel is driven with motor using vehicle power supply as power.Electric vehicle is a kind of ring
Guarantor's type vehicle, it replaces oil as its major impetus energy, has the characteristics that carbon emission is low, environmental-friendly using electric power, slow
Solution energy crisis makes full use of regenerative resource, and reducing greenhouse gas emission etc. has traditional combustion engine automobile not comparable
Quasi- advantage.But existing electric vehicle generally use single shaft Two-wheeled pattern, the major impetus of automobile are concentrated mainly on
As on the front-wheel or trailing wheel of driving wheel, the unbalance stress of each wheel is easily caused, cross country power is weaker, vehicle performance peace
Full property is relatively low, in addition the electric vehicle generally use dual-motor drive system of existing four-wheel drive pattern, complete vehicle weight and
Cost is higher, and can not achieve the recycling of braking energy under damped condition, causes the waste of resource.
Invention content
The technical problem to be solved in the present invention is to provide a kind of recycling of the braking energy of electric automobiles of single motor four-wheel drive
Method can effectively realize that the recycling of braking energy, organic efficiency are higher；It is driven using single motor and can realize four-wheel drive
Pattern substantially reduces complete vehicle weight and cost, can enough power be reached road surface, enhance the acceleration of automobile and cross-country energy
Power.
In order to solve the above technical problem, the present invention provides technical solution it is as follows：
A kind of braking energy of electric automobiles recovery method of single motor four-wheel drive, the electric vehicle include entire car controller and
One end of one driving motor, the driving motor is connected by front clutch with preceding driving retarder, after the other end passes through
Clutch drives retarder to be connected with rear, drives retarder to be connected with front-wheel before described, and the rear driving retarder is with after
Wheel is connected, and hub clutch is both provided in the front wheels and rear wheels；The method for recovering brake energy includes the following steps：
1）Entire car controller judges whether electric vehicle is in on-position, if so, thening follow the steps 2）, if it is not, executing step
3）；
2）Entire car controller directly controls front-wheel and is combined with its hub clutch, and trailing wheel is engaged with its hub clutch, drives
Dynamic motor is combined with front clutch, and is controlled driving motor and engaged with rear clutch, and then front-wheel is slowed down by preceding driving
Device drive driving motor operating, while trailing wheel pass through after driving retarder also driving motor is driven to operate；Then entire car controller
Control driving motor is operated the mechanical energy transmission generated to the energy storage device of electric vehicle, carries out energy regenerating；
3）Vehicle control unit controls electric vehicle enters normally travel state.
In one of embodiment, entire car controller by monitor electric vehicle brake pedal output voltage signal and
Accelerator pedal output voltage signal come confirm electric vehicle whether be in on-position.
In one of embodiment, entire car controller monitors that the brake pedal output voltage signal of electric vehicle is 0
~5V, and accelerator pedal output voltage signal be 0V when, then be judged as that electric vehicle is in on-position.
In one of embodiment, the step 2）In energy storage device be generator, by the generator will drive
The mechanical energy that dynamic motor operating generates is converted to electric energy.
In one of embodiment, the step 2）In energy storage device be hydraulic accumulation energy part, stored up by the hydraulic pressure
The mechanical energy that driving motor operating generates is converted to hydraulic energy by energy part.
In one of embodiment, the normally travel state includes front wheels and rear wheels drive mode, front wheel driving simultaneously
Dynamic model formula and rear wheel drive pattern, the entire car controller according to the practical load-carrying of road conditions and/or electric vehicle carry out front-wheel and
The switching of trailing wheel while drive mode, front wheel drive mode and rear wheel drive pattern.
In one of embodiment, the electric vehicle further includes the road conditions detection dress being electrically connected with entire car controller
It sets, the road conditions detection device includes vibration monitoring device and tilt angle monitoring device, and electricity is monitored using the tilt angle monitoring device
Electrical automobile goes up a slope or the gradient inclination angle of descending, and the Vibration Condition of electric vehicle is detected using the vibration monitoring device, is shaken
Dynamic data.
In one of embodiment, the entire car controller carries out front-wheel according to the practical load-carrying of road conditions and electric vehicle
The method of switching with trailing wheel drive mode, front wheel drive mode and rear wheel drive pattern simultaneously is：
The vibration data of detection is transferred to entire car controller, the vibration data that entire car controller will receive by vibration monitoring device
It is compared with normal vibration threshold range, if vibration data is fallen into normal vibration threshold range, vehicle control unit controls
Electric vehicle carries out front wheels and rear wheels drive mode, front wheel drive mode and rear wheel drive pattern simultaneously according to its practical load-carrying
Switching；If vibration data not in normal vibration threshold range, entire car controller directly control electric vehicle enter front-wheel and
Trailing wheel while drive mode.
In one of embodiment, the entire car controller carries out front-wheel according to the practical load-carrying of road conditions and electric vehicle
The method of switching with trailing wheel drive mode, front wheel drive mode and rear wheel drive pattern simultaneously is：
The inclination data of detection is transferred to entire car controller, the inclination data that entire car controller will receive by tilt angle monitoring device
It is compared with given threshold, if inclination data is more than given threshold and electric vehicle when being in upward slope state, full-vehicle control
Device control electric vehicle enters front wheels and rear wheels drive mode simultaneously；If inclination data is more than given threshold and electric vehicle is in
When descending state, then vehicle control unit controls electric vehicle enters trailing wheel drive mode simultaneously；Otherwise vehicle control unit controls electricity
Electrical automobile according to its practical load-carrying carries out front wheels and rear wheels, and drive mode, front wheel drive mode and rear wheel drive pattern are cut simultaneously
It changes.
In one of embodiment, the electric vehicle further includes battery and battery management system, the full-vehicle control
Device is connected by battery management system with battery with driving motor, and entire car controller is monitored using the battery management system
Battery status and control battery are powered for driving motor.
The invention has the advantages that：The present invention can when electric vehicle is in on-position, by front-wheel and
Trailing wheel drives driving motor operating, and the mechanical energy that driving motor operating generates is converted and stored, braking is effectively realized
The recycling of energy, organic efficiency are higher；It is driven using single motor and can realize four-wheel drive pattern, greatly reduce vehicle
Enough power preferably can be reached road surface by weight and cost, enhance acceleration and the cross-country power of automobile.
Description of the drawings
Fig. 1 is the structural schematic diagram of the electric vehicle of the present invention；
Fig. 2 is the driving system structure figure of the electric vehicle of the present invention；
In figure：1, hub clutch, 2, front-wheel, 3, transmission shaft, 4, preceding driving retarder, 5, front clutch, 6, driving motor, 7,
Clutch afterwards, 8, drive retarder afterwards, 9, trailing wheel, 10, battery, 11, entire car controller, 12, electric machine controller, 13, braking steps on
Plate, 14, accelerator pedal, 15, gear shifting device, 16, parking control device.
Specific implementation mode
The invention will be further described in the following with reference to the drawings and specific embodiments, so that those skilled in the art can be with
It more fully understands the present invention and can be practiced, but illustrated embodiment is not as a limitation of the invention.
- Fig. 2 refering to fig. 1, a kind of braking energy of electric automobiles recovery method of single motor four-wheel drive, electric vehicle include
One end of entire car controller 11 and a driving motor 6, driving motor 6 is connected by front clutch 5 with preceding driving retarder 4
It connects, the other end is connected by rear clutch 7 with rear driving retarder 8, and preceding driving retarder 4 and front-wheel 2 by passing accordingly
Moving axis 3 is connected, rear that retarder 8 is driven to be connected by corresponding transmission shaft 3 with trailing wheel 9, is respectively provided on front-wheel 2 and trailing wheel 9
There is hub clutch 1；The method for recovering brake energy includes the following steps：
1）Entire car controller 11 judges whether electric vehicle is in on-position, if being judged as, electric vehicle is in on-position,
Then enter step 2）, otherwise enter step 3）；
In a wherein embodiment, entire car controller 11 is believed by monitoring the output voltage of the brake pedal 13 of electric vehicle
Number and accelerator pedal 14 output voltage signal come confirm electric vehicle whether be in on-position.
Further, entire car controller 11 monitors that the output voltage signal of the brake pedal 13 of electric vehicle is 0~5V,
And the output voltage signal of accelerator pedal 14 be 0V when, then be judged as that electric vehicle is in on-position.
2）Entire car controller 11 directly controls 2 its corresponding hub clutch 1 of front-wheel and is combined, and trailing wheel 9 is corresponding to its
Hub clutch 1 engage, driving motor 6 is combined with front clutch 5, and is controlled driving motor 6 and connected with rear clutch 7
It closes, then front-wheel 2 drives the operating of its corresponding transmission shaft 3 and drives preceding driving retarder 4 to work and then drive the fortune of driving motor 6
Turn, while trailing wheel 9 drives the operating of its corresponding transmission shaft 3 and drives retarder 8 to work after driving and then drive the fortune of driving motor 6
Turn；Then entire car controller 11 controls energy storage device of the mechanical energy transmission to electric vehicle that driving motor 6 is operated generation；
The process realizes effective recycling of braking energy, is conducive to energy saving；
In a wherein embodiment, energy storage device can be generator, what generator was used to generate the operating of driving motor 6
Mechanical energy is converted to electric energy, which can be used for driving above-mentioned electric vehicle to operate.
In a wherein embodiment, energy storage device may be hydraulic accumulation energy part, and hydraulic accumulation energy part will be for that will drive
The mechanical energy that the operating of motor 6 generates is converted to hydraulic energy, which uses for the hydraulic unit of electric vehicle.
3）Entire car controller 11 controls electric vehicle and enters normally travel state.
Wherein, normally travel state includes front wheels and rear wheels drive mode, front wheel drive mode and rear wheel drive mould simultaneously
Formula.
In a wherein embodiment, entire car controller 11 is carried out according to the practical load-carrying of road conditions and/or electric vehicle
The switching of front wheels and rear wheels drive mode, front wheel drive mode and rear wheel drive pattern these three patterns simultaneously, with preferably real
The optimal control of existing automobile power, it is energy saving and make the utilization of the energy more reasonable.
In a wherein embodiment, electric vehicle further includes the road conditions detection dress being electrically connected with entire car controller 11
It sets, road conditions detection device includes vibration monitoring device and tilt angle monitoring device, using on tilt angle monitoring device detection electric vehicle
Slope or the gradient inclination angle of descending monitor vehicle body vibration state, with according to body vibrations status monitoring road using vibration monitoring device
Face jounce condition.
It is to be appreciated that road condition monitoring device is used to detect road conditions, for example, when road condition monitoring device detects automobile up slope
Gradient inclination angle it is larger, when automobile up slope is more painstaking, entire car controller 11 can control automobile to enter front wheels and rear wheels while drive
Dynamic model formula（Four-wheel drive pattern）.
In a wherein embodiment：The inclination data of detection is transferred to entire car controller 11 by tilt angle monitoring device,
The inclination data received is compared by entire car controller 11 with given threshold, if inclination data is more than given threshold and electronic
When automobile is in upward slope state, then the control of entire car controller 11 electric vehicle enters front wheels and rear wheels drive mode simultaneously；If inclining
When angular data is more than given threshold and electric vehicle and be in descending state, then the control of entire car controller 11 electric vehicle enters trailing wheel
Drive mode simultaneously；The case where if except above-mentioned two situations, then entire car controller 11 controlled electric vehicle according to its practical load
The switching of front wheels and rear wheels drive mode, front wheel drive mode and rear wheel drive pattern these three patterns simultaneously is carried out again.
In a wherein embodiment, the vibration data of detection is transferred to entire car controller 11 by vibration monitoring device,
The vibration data received is compared by entire car controller 11 with normal vibration threshold range, is normally shaken if vibration data is fallen into
In dynamic threshold range, then entire car controller 11 controls electric vehicle and carries out front wheels and rear wheels according to its practical load-carrying while driving mould
The switching of formula, front wheel drive mode and rear wheel drive pattern these three patterns；If vibration data is not in normal vibration threshold range
It is interior, then it is judged as being in bumpy road, entire car controller 11 controls electric vehicle and enters front wheels and rear wheels drive mode simultaneously.
When the practical load-carrying of electric vehicle is larger, entire car controller 11 can control automobile to enter front wheels and rear wheels while drive
Dynamic model formula（Four-wheel drive pattern）, when the practical load-carrying of electric vehicle is smaller, entire car controller can control automobile to enter front-wheel
Drive mode or rear wheel drive pattern.
In a wherein embodiment, electric vehicle further includes battery 10 and battery management system, entire car controller 11
It is connected with battery 10 by battery management system with driving motor 6.
Further, battery management system uses BMS（Battery Management System）Battery system, with more
It monitors the state of battery 10 well, intelligent management and safeguards battery unit, extend the service life of battery 10.
Entire car controller 11 is supplied using the state and control battery 10 of battery management system monitoring battery 10 for driving motor 6
Electricity.
In a wherein embodiment, driving motor 6 is electrically connected with electric machine controller 12, and entire car controller 11 passes through control
Electric machine controller 12 processed controls the operating of driving motor 6.
Electric vehicle further includes the brake pedal 13, accelerator pedal 14, gear shifting device 15 being electrically connected with entire car controller 12
With parking control device 16.
Referring to Fig.2, accelerator pedal 14 is used to send accelerator travel signal to entire car controller 11（Voltage signal）；System
Dynamic pedal 13 is used to send brake-pedal travel signal to entire car controller 11；Battery 10 is by battery management system to vehicle control
Device 11 processed sends battery SOC signal；Front-wheel 2 and trailing wheel 9 pass through its corresponding anti-lock braking system（ABS）To full-vehicle control
Device 11 sends ABS signals；Gear shifting device 15 is used to send gear signal to entire car controller 11；Parking control device 16 is used for
Parking brake signals are sent to entire car controller 11.
The electric vehicle of the present embodiment using single motor drive, by a driving motor 6 and its with front clutch 5, after
Combination/disengaging of clutch 7 come direct controlling and driving motor 6 and preceding driving retarder 4, rear driving retarder 8 combination/it is de-
From to directly control the operating of front-wheel 2 or trailing wheel 9, control is reliable, and complete vehicle weight and cost is made to substantially reduce；In addition
Can realize four-wheel drive, using using the total weight of automobile as attachment pressure so that the adhesive force of automobile dramatically increases, expand
The tractive force limit of automobile has been opened up, can the power of driving motor 6 each wheel have preferably been reached into respectively, reduce each drive
The driving force of driving wheel is born, so as to which no more than tire limit of friction (wheel-slip does not occur), guarantee will
Enough power reaches road surface so that and automobile has very strong acceleration and cross-country power, and makes the abrasion of tire more uniform,
It is conducive to extend the service life of tire, improves the manipulation safety of automobile.
The present embodiment can drive driving motor 6 when electric vehicle is in on-position by front-wheel 2 and trailing wheel 9
Operating, and the mechanical energy that the operating of driving motor 6 generates is converted and stored, the recycling of braking energy is effectively realized, is returned
Rate of producing effects is higher, can effectively save existing electric vehicle the intrinsic energy.
Embodiment described above is only to absolutely prove preferred embodiment that is of the invention and being lifted, protection model of the invention
It encloses without being limited thereto.Those skilled in the art on the basis of the present invention made by equivalent substitute or transformation, in the present invention
Protection domain within.Protection scope of the present invention is subject to claims.
Claims (10)
1. a kind of braking energy of electric automobiles recovery method of single motor four-wheel drive, characterized in that the electric vehicle includes
One end of entire car controller and a driving motor, the driving motor is connected by front clutch with preceding driving retarder,
The other end is connected by rear clutch with rear driving retarder, drives retarder to be connected with front-wheel before described, the rear-guard
Dynamic retarder is connected with trailing wheel, and hub clutch is both provided in the front wheels and rear wheels；The method for recovering brake energy packet
Include following steps：
1）Entire car controller judges whether electric vehicle is in on-position, if so, thening follow the steps 2）, if it is not, executing step
3）；
2）Entire car controller directly controls front-wheel and is combined with its hub clutch, and trailing wheel is engaged with its hub clutch, drives
Dynamic motor is combined with front clutch, and is controlled driving motor and engaged with rear clutch, and then front-wheel is slowed down by preceding driving
Device drive driving motor operating, while trailing wheel pass through after driving retarder also driving motor is driven to operate；Then entire car controller
Control driving motor is operated the mechanical energy transmission generated to the energy storage device of electric vehicle, carries out energy regenerating；
3）Vehicle control unit controls electric vehicle enters normally travel state.
2. the braking energy of electric automobiles recovery method of single motor four-wheel drive as described in claim 1, characterized in that vehicle
Controller is electronic to confirm by the brake pedal output voltage signal and accelerator pedal output voltage signal for monitoring electric vehicle
Whether automobile is in on-position.
3. the braking energy of electric automobiles recovery method of single motor four-wheel drive as claimed in claim 2, characterized in that vehicle
The brake pedal output voltage signal of monitoring control devices to electric vehicle is 0~5V, and accelerator pedal output voltage signal is 0V
When, then it is judged as that electric vehicle is in on-position.
4. the braking energy of electric automobiles recovery method of single motor four-wheel drive as described in claim 1, characterized in that institute
State step 2）In energy storage device be generator, by the generator by driving motor operating generate mechanical energy be converted to electricity
Energy.
5. the braking energy of electric automobiles recovery method of single motor four-wheel drive as described in claim 1, characterized in that described
Step 2）In energy storage device be hydraulic accumulation energy part, by the hydraulic accumulation energy part by driving motor operating generate mechanical energy turn
It is melted into hydraulic energy.
6. the braking energy of electric automobiles recovery method of single motor four-wheel drive as described in claim 1, characterized in that described
Normally travel state includes front wheels and rear wheels drive mode, front wheel drive mode and rear wheel drive pattern simultaneously, the vehicle control
Device processed according to the practical load-carrying of road conditions and/or electric vehicle carry out front wheels and rear wheels simultaneously drive mode, front wheel drive mode and
The switching of rear wheel drive pattern.
7. the braking energy of electric automobiles recovery method of single motor four-wheel drive as claimed in claim 6, characterized in that described
Electric vehicle further includes the road conditions detection device being electrically connected with entire car controller, and the road conditions detection device includes vibration monitoring dress
It sets and tilt angle monitoring device utilizes institute using the gradient inclination angle of tilt angle monitoring device monitoring electric vehicle upward slope or descending
The Vibration Condition for stating vibration monitoring device detection electric vehicle, obtains vibration data.
8. the braking energy of electric automobiles recovery method of single motor four-wheel drive as claimed in claim 7, characterized in that described
Entire car controller carries out front wheels and rear wheels drive mode, front wheel drive mode simultaneously according to the practical load-carrying of road conditions and electric vehicle
Method with the switching of rear wheel drive pattern is：
The vibration data of detection is transferred to entire car controller, the vibration data that entire car controller will receive by vibration monitoring device
It is compared with normal vibration threshold range, if vibration data is fallen into normal vibration threshold range, vehicle control unit controls
Electric vehicle carries out front wheels and rear wheels drive mode, front wheel drive mode and rear wheel drive pattern simultaneously according to its practical load-carrying
Switching；If vibration data not in normal vibration threshold range, entire car controller directly control electric vehicle enter front-wheel and
Trailing wheel while drive mode.
9. the braking energy of electric automobiles recovery method of single motor four-wheel drive as claimed in claim 7, characterized in that described
Entire car controller carries out front wheels and rear wheels drive mode, front wheel drive mode simultaneously according to the practical load-carrying of road conditions and electric vehicle
Method with the switching of rear wheel drive pattern is：
The inclination data of detection is transferred to entire car controller, the inclination data that entire car controller will receive by tilt angle monitoring device
It is compared with given threshold, if inclination data is more than given threshold and electric vehicle when being in upward slope state, full-vehicle control
Device control electric vehicle enters front wheels and rear wheels drive mode simultaneously；If inclination data is more than given threshold and electric vehicle is in
When descending state, then vehicle control unit controls electric vehicle enters trailing wheel drive mode simultaneously；Otherwise vehicle control unit controls electricity
Electrical automobile according to its practical load-carrying carries out front wheels and rear wheels, and drive mode, front wheel drive mode and rear wheel drive pattern are cut simultaneously
It changes.
10. the braking energy of electric automobiles recovery method of single motor four-wheel drive as described in claim 1, characterized in that institute
It further includes battery and battery management system to state electric vehicle, and the entire car controller and driving motor pass through battery management system
It is connected with battery, entire car controller is supplied using battery management system monitoring battery status and control battery for driving motor
Electricity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810563872.7A CN108773274A (en) | 2018-06-04 | 2018-06-04 | The braking energy of electric automobiles recovery method of single motor four-wheel drive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810563872.7A CN108773274A (en) | 2018-06-04 | 2018-06-04 | The braking energy of electric automobiles recovery method of single motor four-wheel drive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108773274A true CN108773274A (en) | 2018-11-09 |
Family
ID=64025681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810563872.7A Pending CN108773274A (en) | 2018-06-04 | 2018-06-04 | The braking energy of electric automobiles recovery method of single motor four-wheel drive |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4630704A (en) * | 1983-09-20 | 1986-12-23 | Fuji Jukogyo Kabushiki Kaisha | System for controlling a power transmission of a four-wheel drive vehicle |
| CN101318476A (en) * | 2008-06-04 | 2008-12-10 | 江西江铃汽车集团实业有限公司 | Drive system of four-wheel drive electric vehicle |
| CN103826904A (en) * | 2011-09-26 | 2014-05-28 | 本田技研工业株式会社 | Drive device for vehicle |
| KR20140109754A (en) * | 2013-03-06 | 2014-09-16 | 한국생산기술연구원 | electric car |
| CN107433880A (en) * | 2017-08-08 | 2017-12-05 | 北京长城华冠汽车科技股份有限公司 | A kind of method and system for being driven control to electric automobile according to loaded-up condition |
-
2018
- 2018-06-04 CN CN201810563872.7A patent/CN108773274A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4630704A (en) * | 1983-09-20 | 1986-12-23 | Fuji Jukogyo Kabushiki Kaisha | System for controlling a power transmission of a four-wheel drive vehicle |
| CN101318476A (en) * | 2008-06-04 | 2008-12-10 | 江西江铃汽车集团实业有限公司 | Drive system of four-wheel drive electric vehicle |
| CN103826904A (en) * | 2011-09-26 | 2014-05-28 | 本田技研工业株式会社 | Drive device for vehicle |
| KR20140109754A (en) * | 2013-03-06 | 2014-09-16 | 한국생산기술연구원 | electric car |
| CN107433880A (en) * | 2017-08-08 | 2017-12-05 | 北京长城华冠汽车科技股份有限公司 | A kind of method and system for being driven control to electric automobile according to loaded-up condition |
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