CN107618509A - A kind of power assembly system of pure electric instruction car - Google Patents
A kind of power assembly system of pure electric instruction car Download PDFInfo
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- CN107618509A CN107618509A CN201710930822.3A CN201710930822A CN107618509A CN 107618509 A CN107618509 A CN 107618509A CN 201710930822 A CN201710930822 A CN 201710930822A CN 107618509 A CN107618509 A CN 107618509A
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- 238000004088 simulation Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 230000006872 improvement Effects 0.000 description 4
- 238000012857 repacking Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 239000000295 fuel oil Substances 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
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- 230000009286 beneficial effect Effects 0.000 description 2
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- 238000005516 engineering process Methods 0.000 description 2
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- 235000013399 edible fruits Nutrition 0.000 description 1
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Abstract
The present invention relates to a kind of power assembly system of pure electric instruction car, including electronic selector, electronic clutch pedal, electronic accelerator pedal, electronic brake pedal, automatic gear shifting dynamic assembly, entire car controller, the electronic selector is used to export driver's gear signal of intent, electronic clutch pedal is used to export clutch pedal opening amount signal, electronic accelerator pedal is used for the acceleration signal of intent for exporting driver, electronic brake pedal is used for the braking intention signal for exporting driver, entire car controller receives gear signal of intent, clutch pedal opening amount signal, accelerate signal of intent and braking intention signal.Traditional manual manual transmission is replaced using electric control mechanical type automatic speed variator, mechanical type manual shifting device is replaced using electronic selector, electronic selector provides shift signal, improves the control system of existing electric instruction car, with the performance characteristics and driving experience of more preferable simulation fuel vehicle.
Description
Technical field
The present invention relates to pure electric automobile field, more particularly, to a kind of power assembly system of pure electric instruction car.
Background technology
At present, motor vehicle driving license examination examination used is generally conventional fuel oil car with car.It is corresponding to this, driving school's training
Shi Suoyong learner-driven vehicle is also mostly conventional fuel oil car, and its power assembly system generally comprises engine, clutch, manual shift and become
The manipulation devices such as fast device, as shown in Figure 1；Wherein, accelerator pedal control engine air throttle, clutch pedal control clutch are opened
Degree, gearshift connect stick transmission by flexible axle, realize manual shifting operation.Clutch is operated in driver to step on
During plate, separation, half-clutch or combination machine performance, behaviour of the gearshift to stick transmission is presented in clutch respectively
It is vertical, it can only be realized under the released state of clutch；And gearshift includes gear level and shift fork, driver enters to gear level
When action is made, the shifting operation to stick transmission is realized by fork.
With the enhancing of environmental consciousness and the demand of energy-conservation, part driving school starts using pure electric automobile as learner-driven vehicle.
Its scheme substantially carries out power assembly system repacking to conventional fuel oil learner-driven vehicle：Engine and its subsystem etc. replace with drive
Dynamic motor, entire car controller and electric machine controller；Meanwhile installed additional on clutch pedal, accelerator pedal and brake pedal
The sensor of corresponding function, as shown in Figure 2.The learner-driven vehicle of this repacking can realize the basic function of pure electric automobile gearshift,
Such as start to walk, accelerate, at the uniform velocity travelling, braking and stopping.
But the electric instruction car of such repacking still has following defect：
（1）System has mechanical clutch and clutch operating device, complicated, the difficult coordination of motor speed and speed,
Clutch easily wears and needs frequently to change.
（2）Because the cooperation of student's clutch pedal, accelerator pedal and shift handle is uncoordinated, transmission gear is easily caused
Damage.
（3）Different from engine torque output characteristics, motor is exportable high pulling torque in the slow-speed of revolution, may be caused
Vehicle can also start to walk in high gear, also not meet the requirement on learner-driven vehicle, there is also potential safety hazard.
The content of the invention
The defects of for existing electric instruction car technology or Improvement requirement, the invention provides a kind of pure electric instruction car
Power assembly system, without conventional clutch and clutch operating device, tradition is replaced using electric control mechanical type automatic speed variator
Stick transmission, mechanical type manual shifting device being replaced using electronic selector, electronic selector provides shift signal,
Improve the control system of existing electric instruction car, with the performance characteristics and driving experience of more preferable simulation fuel vehicle.
In order to solve the above-mentioned technical problem, technical scheme is as follows：A kind of power assembly of pure electric instruction car
System, it is characterised in that：It is automatic to become including electronic selector, electronic clutch pedal, electronic accelerator pedal, electronic brake pedal
Fast power assembly, entire car controller, the electronic selector are used to export driver's gear signal of intent, and electronic clutch pedal is used
In output clutch pedal opening amount signal, electronic accelerator pedal is used for the acceleration signal of intent for exporting driver, electronic brake pedal
For exporting the braking intention signal of driver, entire car controller receives gear signal of intent, clutch pedal opening amount signal, added
Fast signal of intent and braking intention signal；Entire car controller gives EMT power based on drive demand, vehicle safety and economy strategy
Assembly system sends execute instruction, and EMT power assembly systems are used for the instruction controlled motor sent according to the entire car controller
Rotating speed, moment of torsion and transmission gear.
Improvement to above-mentioned technical proposal：The output end of the electronic gear shifter is connected to the first input of entire car controller
End, the second input of the output end connection entire car controller of the clutch apparatus, the output end connection of the accelerator
3rd input of entire car controller, the 4th input of the output end connection entire car controller of the brake apparatus；It is described whole
The input of the first output end connection electric machine controller of vehicle controller, the first of the second output end connection gearbox controller are defeated
Enter end；The first input end of the first output end connection electric shift power assembly of the electric machine controller, the second output end connect
Connect the second input of gearbox controller；The second of the output end connection electric shift power assembly of the gearbox controller
Input；Sensor signal is both provided with the arrangement of clutch, accelerator, gearshift and brake apparatus；The control
Device processed is used to obtain torque signal, tach signal by sensor signal；Motor in the electric gear shift(ing) power assembly
The wheel for controlling electric instruction car according to tach signal is rotated with corresponding rotating speed, and electric control mechanical type automatic speed variator is according to moment of torsion
The wheel of signal control electric instruction car is rotated with corresponding moment of torsion.
Further improvement to above-mentioned technical proposal：The electronic selector includes gear level and position sensor, institute
The input of the output end link position sensor of gear level is stated, the position sensor is used to provide shift signal.
Further improvement to above-mentioned technical proposal：The shift signal includes 5 forward gear signals, 1 letter that reverses gear
Number and 1 neutral signal.
Beneficial effect：
The power assembly system of pure electric instruction car of the present invention, compared with prior art, it can obtain following beneficial to effect
Fruit：
1st, using electronic gear shifter and electric control mechanical type automatic speed variator, the mode of common gear level+shift fork is substituted, is eliminated
Clutch and clutch mechanism operating mechanism, the mechanical friction of no-clutch, reduce shifting system trouble point quantity.
2nd, system employs electrical control automatic manual transmission case and electric clutch, and gearshift opportunity and gearshift dynamics are by speed change
Device control system is completed, and can be avoided due to the improper damage to caused by gearbox of gearshift opportunity.
3rd, entire car controller can be coordinated to control electronic selector gear information, clutch information, accelerate information and speed
Relation, avoid when speed changer is in high gear vehicle from starting to walk.
Brief description of the drawings
Fig. 1 is the pure electric instruction car schematic diagram of prior art；
Fig. 2 is the control system schematic diagram that the present invention is implemented；
Fig. 3 is the network structure topological diagram that the present invention is implemented；
Fig. 4 is the electric clutch pedal fundamental diagram that the present invention is implemented
Fig. 5 is the operation principle schematic diagram for the electronic gear shifter that the present invention is implemented.
Embodiment
The present invention is further illustrated below by way of specific embodiment.
A kind of power assembly system of pure electric instruction car of the invention as shown in Figure 2, electronic selector, electronics clutch are stepped on
Plate, electronic accelerator pedal, electronic brake pedal, automatic gear shifting dynamic assembly, entire car controller.The output of the electronic gear shifter
End is connected to the first input end of entire car controller, the second input of the output end connection entire car controller of the clutch apparatus
End, the 3rd input of the output end connection entire car controller of the accelerator, the output end connection of the brake apparatus are whole
4th input of vehicle controller；The input of the first output end connection electric machine controller of the entire car controller, second is defeated
Go out the first input end of end connection gearbox controller；The first output end connection electric shift power of the electric machine controller is total
Into first input end, the second output end connect gearbox controller the second input；The output of the gearbox controller
Second input of end connection electric shift power assembly；
Sensor signal is both provided with the arrangement of clutch, accelerator, gearshift and brake apparatus, sensor obtains
Signal be respectively first sensor signal, second sensor signal, 3rd sensor signal and the 4th sensor signal, its
Signal type is related to sensor type；Therefore, the type for the signal that entire car controller obtains is also related to the type of sensor；
The control device is used to obtain torque signal according to first sensor signal, 3rd sensor signal, while according to described the
Two sensor signals and the 4th sensor signal obtain tach signal；And the motor in the electric gear shift(ing) power assembly
For being controlled the wheel of electric instruction car to be rotated with corresponding rotating speed according to the tach signal, and electrical control automatic manual transmission
Device controls the wheel of electric instruction car to be rotated with corresponding moment of torsion according to torque signal.
For example, arrangement of clutch can be by clutch pedal and first angle sensor group into accelerator also can be by accelerating
Pedal and second angle sensor group are into as shown in Figure 2；Now, first sensor signal and second sensor signal difference
For first angle signal and second angle signal, it corresponds to the aperture of clutch pedal and accelerator pedal respectively；With machinery
Fuel vehicle is identical, and the state of clutch is related to the aperture of clutch, and control device can obtain clutch according to first angle signal
Signal, clutch signal correspond to the binding signal, separation signal and half-clutch signal of clutch respectively；When first angle signal is small
When first threshold, the control device obtains binding signal according to first angle signal, when first angle signal is more than second
During threshold value, the control device obtains separation signal according to first angle signal, and otherwise control device is according to first angle signal
Obtain half-clutch signal；First threshold can be arranged to 10% ~ 20%, Second Threshold is 75% ~ 85%, with the shape with mechanical fuel car
State is adapted.
Likewise, control device can also obtain and its opening amount signal positive according to the angle signal of second angle sensor
The tach signal of pass.
The gearshift can be made up of gear level and position sensor, and now the 3rd sensor signal is position
Signal；Gear generally includes speed threshold（5 grades or 6 grades）, reverse gear and neutral gear, the position signalling also relevant position pair with gear level
Should, and control device according to position signalling, can obtain the position of gear level, obtain corresponding speed shelves, reverse gear and sky respectively
The rate signal of shelves, reverse range signal and neutral gear signal.
When clutch signal is separates signal, the torque signal that control device obtains is 0；When clutch signal is binding signal
When, identical with mechanical fuel car, therefore, the gear shift operation of gearshift can not succeed, therefore torque signal keeps current state
Do not change；And when clutch signal is half-clutch, gearshift can carry out gear shift operation, torque signal now and gear phase
Close；I.e. when shift signal is rate signal, electric control mechanical type automatic speed variator can manipulate wheel and carry out corresponding moment of torsion adjustment.
Embodiment one
The power assembly and its control system of embodiment 1 as shown in Fig. 2, Fig. 3, Fig. 4, Fig. 5 are by EMT power assemblies, vehicle control
The composition such as device processed, electronic gear shifter, clutch pedal, accelerator pedal, brake pedal, electric machine controller, gearbox controller.
EMT power assemblies：The power assembly includes motor and electric control mechanical type automatic speed variator.Wherein, motor is according to electricity
The regulation of rotating speed is completed in the instruction of machine controller；The shift signal of electric control mechanical type automatic speed variator is EMT power assembly systems
Internal information, controlled and shifted gears by gearbox controller.
Entire car controller：According to the gear information of electronic gear shifter, clutch pedal position information, accelerator pedal information,
The control logic of brake pedal information, electrokinetic cell state and setting, instruction is assigned, completed to electric machine controller, speed changer
The control of controller, realize vehicle launch, acceleration, at the uniform velocity, slow down, parking intention.Entire car controller is received by CAN
The motor speed signal of electric machine controller demarcation, and then the peak torque under the rotating speed is calculated according to motor characteristic moment of torsion equation
Value.
Electronic gear shifter：The device by traditional gear level, gear positions monitor sensor group into, have 1~5 grade, R shelves and
N keeps off totally 7 gears, passes through gear positions and monitors Sensor monitoring shifting state.Clutch pedal and the electronic gear shifter coordinate
Use, each gear information can be sent to entire car controller with data signal, and then entire car controller is according to the gear information, to
Gearbox controller sends shifting commands.It is intended to because the electronic gear shifter only exports driver's gear, is not connected to gearbox, no
Directly perform mechanical changeover action.
Clutch pedal：The clutch pedal arrangement angles sensor, can be according to the aperture of clutch pedal to vehicle control
Device processed sends corresponding magnitude of voltage.In the present embodiment, as bonding state when being less than 15% using clutch pedal aperture, between 15%
It is semi-linkage state during~80% section, is released state during higher than 80%.By compare in entire car controller program it is default from
Clutch released state, semi-linkage state or bonding state, so as to the clutch working method of accurate simulation fuel vehicle.Vehicle control
Device processed can identify the intention of driver according to the opening information of clutch pedal, and with reference to gear information, entire car controller is sent
Wagon control instructs.Because the present embodiment eliminates clutch, therefore clutch pedal only provides clutch opening amount signal, does not hold
The mechanically actuated of row clutch.
Accelerator pedal：The aperture of accelerator pedal sends instruction, Jin Ertong from 0 to 100% with linear relationship to entire car controller
The acceleration or deceleration of motor controller controls motor is crossed, the acceleration of vehicle is realized and runs slowly.
Brake pedal：Acted according to the action triggers brakes of brake pedal, complete braking or parking.
Electric machine controller：The acceleration and deceleration instruction that entire car controller is sent is received, motor speed is adjusted.
Gearbox controller：The shifting commands that entire car controller is sent are received, electric control mechanical type automatic speed variator is carried out
Shift transformation, realize plus-minus gear, the driving intention to reverse gear with neutral switching.
Information above passes through CAN network delivery.
Repacking can realize the basic function of manual shift electric automobile more than, and let slip the clutch is cut-off to be driven
Dynamic motor couples with the power of gearbox.During bend the throttle, entire car controller obtains assisted instruction analog signal, through CAN
Assisted instruction is sent to electric machine controller by bus, improves motor speed, improves speed；Similarly, during brake pedal, vehicle control
Device processed obtains brake pedal signal, brake instruction is sent into electric machine controller through CAN, motor shuts down, and passes through simultaneously
Conventional braking system completes braking procedure.
Embodiment described above is only the preferred embodiments of the present invention, and the simultaneously exhaustion of the feasible implementation of non-invention.It is right
For persons skilled in the art, on the premise of without departing substantially from the principle of the invention and spirit to any aobvious made by it and
The change being clear to, it should all be contemplated as falling with the claims of the present invention.
Claims (4)
- A kind of 1. power assembly system of pure electric instruction car, it is characterised in that：Including electronic selector, electronic clutch pedal, Electronic accelerator pedal, electronic brake pedal, automatic gear shifting dynamic assembly, entire car controller, the electronic selector are used to export Driver's gear signal of intent, electronic clutch pedal are used to export clutch pedal opening amount signal, and electronic accelerator pedal is used to export The acceleration signal of intent of driver, electronic brake pedal are used for the braking intention signal for exporting driver, and entire car controller receives Gear signal of intent, clutch pedal opening amount signal, accelerate signal of intent and braking intention signal；Entire car controller is based on driving Demand, vehicle safety and economy strategy send execute instruction to EMT power assembly systems, and EMT power assembly systems are used for root Instruction controlled motor rotating speed, moment of torsion and the transmission gear sent according to entire car controller.
- A kind of 2. power assembly system of pure electric instruction car according to claim 1, it is characterised in that：The electronics changes The output end of lug-latch is connected to the first input end of entire car controller, the output end connection entire car controller of the clutch apparatus The second input, the accelerator output end connection entire car controller the 3rd input, the brake apparatus it is defeated Go out the 4th input of end connection entire car controller；The input of the first output end connection electric machine controller of the entire car controller End, the second output end connect the first input end of gearbox controller；The first output end connection of the electric machine controller is electronic The first input end of variable-speed dynamic assembly, the second output end connect the second input of gearbox controller；The speed changer control Second input of the output end connection electric shift power assembly of device processed；The arrangement of clutch, accelerator, gearshift with And sensor signal is both provided with brake apparatus；The control device is used to obtain torque signal by sensor signal, turned Fast signal；Motor in the electric gear shift(ing) power assembly controls the wheel of electric instruction car with corresponding according to tach signal Rotating speed rotates, and electric control mechanical type automatic speed variator controls the wheel of electric instruction car to be revolved with corresponding moment of torsion according to torque signal Turn.
- A kind of 3. power assembly system of pure electric instruction car according to claim 1, it is characterised in that：The electronics changes Frequency modulator includes gear level and position sensor, the input of the output end link position sensor of the gear level, institute's rheme Sensor is put to be used to provide shift signal.
- A kind of 4. power assembly system of pure electric instruction car according to claim 3, it is characterised in that：The gear letter Number include 5 forward gear signals, 1 reverse gear signal and 1 neutral signal.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710930822.3A CN107618509A (en) | 2017-10-09 | 2017-10-09 | A kind of power assembly system of pure electric instruction car |
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| CN201710930822.3A CN107618509A (en) | 2017-10-09 | 2017-10-09 | A kind of power assembly system of pure electric instruction car |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109139896A (en) * | 2018-08-17 | 2019-01-04 | 北京航空航天大学 | A kind of electric car simulation manual gear fuel vehicle gear shift method |
| CN112606817A (en) * | 2020-12-15 | 2021-04-06 | 武汉格罗夫氢能汽车有限公司 | Gear shifting system of fuel cell hydrogen energy automobile and control method thereof |
| CN113291160A (en) * | 2021-02-21 | 2021-08-24 | 易通共享技术(广州)有限公司 | Clutch control method for new energy learner-driven vehicle |
| CN113593354A (en) * | 2021-07-30 | 2021-11-02 | 吉林大学 | Derailleur-free electric learner-driven vehicle clutch control analogue means |
| CN114056122A (en) * | 2020-08-07 | 2022-02-18 | 丰田自动车株式会社 | Electric automobile |
| CN114822140A (en) * | 2022-04-18 | 2022-07-29 | 广西玉柴新能源汽车有限公司 | Method for simulating flameout of traditional learner-driven vehicle applied to new-energy commercial vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113291160A (en) * | 2021-02-21 | 2021-08-24 | 易通共享技术(广州)有限公司 | Clutch control method for new energy learner-driven vehicle |
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| CN114822140A (en) * | 2022-04-18 | 2022-07-29 | 广西玉柴新能源汽车有限公司 | Method for simulating flameout of traditional learner-driven vehicle applied to new-energy commercial vehicle |
| CN114822140B (en) * | 2022-04-18 | 2023-12-26 | 广西玉柴新能源汽车有限公司 | Method for simulating flameout of traditional learner-driven vehicle applied to new energy commercial vehicle |
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Application publication date: 20180123 |