CN205523760U - Electric automobile prevents sloping system of swift current - Google Patents
Electric automobile prevents sloping system of swift current Download PDFInfo
- Publication number
- CN205523760U CN205523760U CN201620087830.7U CN201620087830U CN205523760U CN 205523760 U CN205523760 U CN 205523760U CN 201620087830 U CN201620087830 U CN 201620087830U CN 205523760 U CN205523760 U CN 205523760U
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- China
- Prior art keywords
- slope
- electric automobile
- entire car
- line
- car controller
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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)
- Regulating Braking Force (AREA)
Abstract
The utility model discloses an electric automobile prevents sloping system of swift current, electric automobile prevents sloping system of swift current includes four -channel anti -lock braking system, vehicle control unit, shift position sensor, machine controller, including a motor, an end cap, a controller, and a cover plate, accelerator pedal, a brake pedal, manual brake switch and slope sensor, accelerator pedal, a brake pedal, the manual brake switch, slope sensor and shift position sensor all adopt the rigid line to be connected with vehicle control unit, four -channel anti -lock braking system and vehicle control unit adopt rigid line or CAN line to be connected, vehicle control unit and machine controller adopt the CAN line to be connected, machine controller is connected with motor adoption rigid line. The utility model discloses can increase whole car factor of safety, effectively solve electric automobile and take place the danger of swift current slope, motor, battery can be protected effectively in ABS work after the sloping mode of swift current was prevented in the entering, and the whole car life of extension can increase the continuation of the journey mileage by effective reduce energy consumption, adaptation driver driving habits, it can safe driving to need not special operation, can come into operation in batches fast.
Description
Technical field:
The utility model relates to a kind of electric automobile to be prevented slipping by slope system, and it belongs to electric automobile field.
Background technology:
Along with the anxiety of the energy and increasingly sharpening of environmental pollution, the appearance of electric automobile will become the heat of development of automobile
Point, in recent years since the ratio of electric automobile constantly rise；And electric automobile all uses motor to drive, when stopping for saving
Electric quantity consumption and prolongation electrical machinery life, motor will not maintain idling as conventional engines；Although this technology saves energy
There is to slip after automobile phenomenon when consuming but there is parking on ramp, starting in source；Stay slope then motor according to motor to work always and disappear
Energy consumption, makes distance travelled reduce, and long-time motor in slope can occur stall.
Therefore, necessary prior art improves to solve the deficiency of prior art.
Utility model content:
The utility model is primarily directed to when the electric automobile parking on ramp existing for prior art, starting to bring slip
The risk on slope, it is provided that a kind of electric automobile is anti-slips by slope system.
The utility model adopts the following technical scheme that a kind of electric automobile is anti-and slips by slope system, including four-way anti-lock braking system,
Entire car controller, gear position sensor, electric machine controller, motor, gas pedal, brake pedal, parking brake switch and slope
Degree sensor, described gas pedal, brake pedal, parking brake switch, Slope Transducer and gear position sensor all with car load control
Device processed uses rigid line to be connected, and four-way anti-lock braking system uses rigid line or CAN line to be connected with entire car controller, whole
Vehicle controller uses CAN line to be connected with electric machine controller, and electric machine controller uses rigid line to be connected with motor.
The utility model also adopts the following technical scheme that a kind of electric automobile prevents slipping by slope the method for work of system, after anti-
Slip by slope pattern before slipping by slope pattern and preventing, slip by slope mode step after wherein preventing as follows:
Step one: vehicle forward travel stops in steep uphill, user's brake pedal or by parking brake pull-up；
Step 2: entire car controller receives Slope Transducer signal, calculates hill gradient θ, and advance steep uphill θ is θ
＞ 0 and only θ ＞ 0 are effective；
Step 3: vehicle parking brake is discharged by user, braking is unclamped, and gear is on D gear or forward gear, car load control
Device processed monitoring vehicle slips by slope phenomenon, and vehicle enters after preventing and slips by slope function；
Step 4: entire car controller is connected with four-way anti-lock braking system by rigid line or CAN line, sends and slips by slope after preventing
Instruction；
Step 5: four-way anti-lock braking system is increased to four wheel cylinders by its brake pressure adjusting means after receiving instruction
Pressure, carries out pressurize braking after reaching preset pressure, and braking time is t (s), makes electric automobile stop on ramp；
Step 6: entire car controller calculates ramp additional torque T1=mg sin θ r/ (ig·i0), wherein r is vehicle wheel roll radius,
igFor transmission ratio, i0For final driver ratio, θ is hill gradient, and m is vehicle weight；
Step 7: user steps on the throttle pedal i.e. accelerator open degree Gi ＞ 0 within less than the t time, calculates Gi and asks moment
T3,Entire car controller releases four-way anti-lock braking system pressurize braking, and entire car controller presses T simultaneously3Moment is initial torque
Carrying out driving and drive strategy, send command adapted thereto to electric machine controller to control motor, entire car controller presses normal row subsequently
Car drives strategy, normal vehicle operation, exits and slips by slope function after preventing, otherwise enters step 8；
Step 8: user overtime t does not still step on the throttle pedal, entire car controller releases four-way anti-lock braking system
Blanket insurance compacting is dynamic, and entire car controller presses T simultaneously1Moment is that initial torque carries out driving driving strategy, sends command adapted thereto
To electric machine controller to control motor crawling climbing, entire car controller drives strategy, vehicle normal row by normal driving subsequently
Sail, exit and slip by slope function after preventing.
Further, t=3s in step 5.
Further, mode step is slipped by slope before wherein preventing as follows:
Step one: vehicle reverse travels and stops in steep uphill, user's brake pedal or by parking brake pull-up；
Step 2: entire car controller receives Slope Transducer signal, calculates hill gradient θ, and steep uphill θ that falls back is θ
＜ 0 and only θ ＜ 0 are effective；
Step 3: vehicle parking brake is discharged by user, braking is unclamped, and gear is on R keeps off or reverses gear, full-vehicle control
Device monitoring vehicle slips by slope phenomenon, and vehicle enters before preventing and slips by slope function；
Step 4: entire car controller is connected with four-way anti-lock braking system by rigid line or CAN line, sends and slips by slope before preventing
Instruction；
Step 5: four-way anti-lock braking system is increased to four wheel cylinders by its brake pressure adjusting means after receiving instruction
Pressure, carries out pressurize braking after reaching preset pressure, and braking time is t (s), makes electric automobile stop on ramp；
Step 6: entire car controller calculates ramp additional torque T0=mg sin θ r/ (ig·i0), wherein r is vehicle wheel roll radius,
igFor transmission ratio, i0For final driver ratio, θ is hill gradient, and m is vehicle weight；
Step 7: user steps on the throttle pedal, i.e. accelerator open degree Gi ＞ 0 within less than the t time, calculates Gi and asks power
Square T2Entire car controller releases four-way anti-lock braking system pressurize braking, and entire car controller presses T simultaneously2Moment is starting force
Square carries out driving and drives strategy, sends command adapted thereto to electric machine controller to control motor, and entire car controller is by normal subsequently
Driving drives strategy, normal vehicle operation, exits and slips by slope function before preventing, otherwise enters step 8；
Step 8: user overtime t does not still step on the throttle pedal, entire car controller releases four-way anti-lock braking system
Blanket insurance compacting is dynamic, and entire car controller presses T simultaneously0Moment is that initial torque carries out driving driving strategy, sends command adapted thereto
To electric machine controller to control motor crawling climbing；Entire car controller drives strategy, vehicle normal row by normal driving subsequently
Sail, exit and slip by slope function before preventing.
Further, t=3s in step 5.
The utility model has the advantages that 1. increase car load safety coefficient, can effectively solve electric automobile and slip
Slope is dangerous.2. enter anti-slip by slope pattern after ABS work can effectively protect motor, battery, extend car load service life,
Can effectively reduce energy resource consumption simultaneously and increase course continuation mileage.3. driver driving custom is adapted to, it is not necessary to operation especially gets final product safety
Drive.4. can come into operation by rapid batch.
Accompanying drawing illustrates:
Fig. 1 is the structural representation that the utility model electric automobile prevents slipping by slope system.
Fig. 2 is the workflow schematic diagram that the utility model electric automobile prevents slipping by slope system.
Detailed description of the invention:
Refer to shown in Fig. 1, the utility model electric automobile is anti-slip by slope system include four-way anti-lock braking system (ABS),
Entire car controller, gear position sensor, electric machine controller, motor, gas pedal, brake pedal, parking brake switch and slope
Degree sensor.Wherein gas pedal, brake pedal, parking brake switch, Slope Transducer and gear position sensor all with car load control
Device processed uses rigid line to be connected, and four-way anti-lock braking system (ABS) uses rigid line or CAN line phase with entire car controller
Connecting, entire car controller uses CAN line to be connected with electric machine controller, and electric machine controller uses rigid line to be connected with motor
Connect.
Refer to shown in Fig. 1 and Fig. 2, the utility model electric automobile prevents slipping by slope the method for work of system, slips after anti-
Slope pattern slips by slope pattern before anti-, slips by slope mode step as follows after wherein preventing:
Step one: vehicle forward travel stops in steep uphill, user's brake pedal or by parking brake pull-up.
Step 2: entire car controller receives Slope Transducer signal, calculates hill gradient θ, and advance steep uphill θ is θ
＞ 0 and only θ ＞ 0 are effective；
Step 3: vehicle parking brake is discharged by user, braking is unclamped, and gear is on D gear or forward gear, car load control
Device processed monitoring vehicle slips by slope phenomenon, and vehicle enters after preventing and slips by slope function；
Step 4: entire car controller is connected with four-way anti-lock braking system by rigid line or CAN line, sends and slips by slope after preventing
Instruction；
Step 5: four-way anti-lock braking system is increased to four wheel cylinders by its brake pressure adjusting means after receiving instruction
Pressure, carries out pressurize braking after reaching preset pressure, and braking time is t (s), makes electric automobile stop on ramp；
Step 6: entire car controller calculates ramp additional torque T1=mg sin θ r/ (ig·i0), wherein r is vehicle wheel roll radius,
igFor transmission ratio, i0For final driver ratio, θ is hill gradient, and m is vehicle weight；
Step 7: user steps on the throttle pedal i.e. accelerator open degree Gi ＞ 0 within less than the t time, calculates Gi and asks moment
T3,Entire car controller releases four-way anti-lock braking system pressurize braking, and entire car controller presses T simultaneously3Moment is initial torque
Carrying out driving and drive strategy, send command adapted thereto to electric machine controller to control motor, entire car controller presses normal row subsequently
Car drives strategy, normal vehicle operation, exits and slips by slope function after preventing, otherwise enters step 8；
Step 8: user overtime t does not still step on the throttle pedal, entire car controller releases four-way anti-lock braking system
Blanket insurance compacting is dynamic, and entire car controller presses T simultaneously1Moment is that initial torque carries out driving driving strategy, sends command adapted thereto
To electric machine controller to control motor crawling climbing, entire car controller drives strategy, vehicle normal row by normal driving subsequently
Sail, exit and slip by slope function after preventing.
As preferably: t=3s in step 5.
As preferably: when crawling is climbed, if receive accelerator drive moment more than crawling moment, drive by normal driving
Dynamic strategy, normal vehicle operation, exits crawling climbing.
As preferably: if during slipping by slope work after anti-, brake signal or parking brake signal being detected then by corresponding conditions again
Start and slip by slope pattern after preventing.
As preferably: if during slipping by slope work after anti-, if any gear switch to neutral, reverse gear, then after vehicle exits and prevents
Slip by slope function, by driven policy-driven.
Mode step is slipped by slope as follows before wherein preventing:
Step one: vehicle reverse travels and stops in steep uphill, user's brake pedal or by parking brake pull-up.
Step 2: entire car controller receives Slope Transducer signal, calculates hill gradient θ, and steep uphill θ that falls back is θ
＜ 0 and only θ ＜ 0 are effective；
Step 3: vehicle parking brake is discharged by user, braking is unclamped, and gear is on R keeps off or reverses gear, full-vehicle control
Device monitoring vehicle slips by slope phenomenon, and vehicle enters before preventing and slips by slope function；
Step 4: entire car controller is connected with four-way anti-lock braking system by rigid line or CAN line, sends and slips by slope before preventing
Instruction；
Step 5: four-way anti-lock braking system is increased to four wheel cylinders by its brake pressure adjusting means after receiving instruction
Pressure, carries out pressurize braking after reaching preset pressure, and braking time is t (s), makes electric automobile stop on ramp；
Step 6: entire car controller calculates ramp additional torque T0=mg sin θ r/ (ig·i0), wherein r is vehicle wheel roll radius,
igFor transmission ratio, i0For final driver ratio, θ is hill gradient, and m is vehicle weight；
Step 7: user steps on the throttle pedal, i.e. accelerator open degree Gi ＞ 0 within less than the t time, calculates Gi and asks power
Square T2Entire car controller releases four-way anti-lock braking system pressurize braking, and entire car controller presses T simultaneously2Moment is starting force
Square carries out driving and drives strategy, sends command adapted thereto to electric machine controller to control motor, and entire car controller is by normal subsequently
Driving drives strategy, normal vehicle operation, exits and slips by slope function before preventing, otherwise enters step 8；
Step 8: user overtime t does not still step on the throttle pedal, entire car controller releases four-way anti-lock braking system
Blanket insurance compacting is dynamic, and entire car controller presses T simultaneously0Moment is that initial torque carries out driving driving strategy, sends command adapted thereto
To electric machine controller to control motor crawling climbing；Entire car controller drives strategy, vehicle normal row by normal driving subsequently
Sail, exit and slip by slope function before preventing.
As preferably: t=3s in step 5.
As preferably: when crawling is climbed, if receive accelerator drive moment more than crawling moment, drive by normal driving
Dynamic strategy, normal vehicle operation, exits crawling climbing.
As preferably: if during slipping by slope work before anti-, brake signal or parking brake signal being detected then by corresponding conditions again
Start and slip by slope pattern before preventing.
As preferably: if during slipping by slope work before anti-, if any gear switch to neutral, drive shift, then vehicle exits anti-
Before slip by slope function, by driven policy-driven.
The above is only preferred embodiment of the present utility model, it is noted that for the ordinary skill of the art
For personnel, can also make some improvement on the premise of without departing from the utility model principle, these improvement also should be regarded as
Protection domain of the present utility model.
Claims (1)
1. an electric automobile is anti-slips by slope system, it is characterised in that: include four-way anti-lock braking system, entire car controller,
Gear position sensor, electric machine controller, motor, gas pedal, brake pedal, parking brake switch and Slope Transducer, institute
State gas pedal, brake pedal, parking brake switch, Slope Transducer and gear position sensor and all use rigid line with entire car controller
Being connected, four-way anti-lock braking system uses rigid line or CAN line to be connected with entire car controller, entire car controller and electricity
Machine controller uses CAN line to be connected, and electric machine controller uses rigid line to be connected with motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620087830.7U CN205523760U (en) | 2016-01-28 | 2016-01-28 | Electric automobile prevents sloping system of swift current |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620087830.7U CN205523760U (en) | 2016-01-28 | 2016-01-28 | Electric automobile prevents sloping system of swift current |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205523760U true CN205523760U (en) | 2016-08-31 |
Family
ID=56772093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620087830.7U Expired - Fee Related CN205523760U (en) | 2016-01-28 | 2016-01-28 | Electric automobile prevents sloping system of swift current |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205523760U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105711443A (en) * | 2016-01-28 | 2016-06-29 | 南京金龙新能源汽车研究院有限公司 | Slope slipping preventing system of electric car and work method of slope slipping preventing system |
| CN106828198A (en) * | 2016-12-27 | 2017-06-13 | 深圳市沃特玛电池有限公司 | The abrupt slope slow-descending system and its control method of a kind of electric automobile |
| CN107640064A (en) * | 2017-09-19 | 2018-01-30 | 合肥凯利科技投资有限公司 | It is a kind of that there is the anti-controller for electric vehicle for slipping by slope function |
| CN108238049A (en) * | 2016-12-23 | 2018-07-03 | 宝沃汽车（中国）有限公司 | For the control method of electric vehicle, device and electric vehicle |
-
2016
- 2016-01-28 CN CN201620087830.7U patent/CN205523760U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105711443A (en) * | 2016-01-28 | 2016-06-29 | 南京金龙新能源汽车研究院有限公司 | Slope slipping preventing system of electric car and work method of slope slipping preventing system |
| CN108238049A (en) * | 2016-12-23 | 2018-07-03 | 宝沃汽车（中国）有限公司 | For the control method of electric vehicle, device and electric vehicle |
| CN106828198A (en) * | 2016-12-27 | 2017-06-13 | 深圳市沃特玛电池有限公司 | The abrupt slope slow-descending system and its control method of a kind of electric automobile |
| CN107640064A (en) * | 2017-09-19 | 2018-01-30 | 合肥凯利科技投资有限公司 | It is a kind of that there is the anti-controller for electric vehicle for slipping by slope function |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160831 Termination date: 20200128 |