CN207607489U - A kind of power assembly system on pure electric vehicle learner-driven vehicle - Google Patents
A kind of power assembly system on pure electric vehicle learner-driven vehicle Download PDFInfo
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- CN207607489U CN207607489U CN201721293535.8U CN201721293535U CN207607489U CN 207607489 U CN207607489 U CN 207607489U CN 201721293535 U CN201721293535 U CN 201721293535U CN 207607489 U CN207607489 U CN 207607489U
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Abstract
The utility model is related to a kind of power assembly systems on pure electric vehicle learner-driven vehicle, including electronic selector, electronic clutch pedal, electronic accelerator pedal, electronic brake pedal, automatic gear shifting dynamic assembly, entire car controller, the electronic selector is for exporting driver's gear signal of intent, electronic clutch pedal is for exporting clutch pedal opening amount signal, electronic accelerator pedal is used to export the acceleration signal of intent of driver, electronic brake pedal is used to export the braking intention signal of driver, entire car controller receives gear signal of intent, clutch pedal opening amount signal, accelerate signal of intent and braking intention signal.Traditional manual gear shift 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 utility model is related to pure electric automobile fields, more particularly, to a kind of power assembly on pure electric vehicle learner-driven vehicle
System.
Background technology
Currently, the examination used in motor vehicle driving license examination is generally conventional fuel oil car with vehicle.It is corresponding to this, driving school's training
The learner-driven vehicle of Shi Suoyong is also mostly conventional fuel oil car, and power assembly system generally comprises engine, clutch, manual shift and becomes
The manipulation devices such as fast device, as shown in Figure 1；Wherein, accelerator pedal controls engine air throttle, and clutch pedal control clutch is opened
Degree, gearshift connect stick transmission by flexible axle, realize manual shifting operation.Clutch is operated in driver to step on
When plate, separation, half-clutch or combination machine performance, behaviour of the gearshift to stick transmission is presented in clutch respectively
It is vertical, only it may be implemented under the discrete state of clutch；And gearshift includes shift lever and shift fork, driver to shift lever into
When action is made, the shifting operation to stick transmission is realized by fork.
Enhancing with environmental consciousness and energy-efficient demand, part driving school start 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 it being installed additional on clutch pedal, accelerator pedal and brake pedal
The sensor of corresponding function, as shown in Figure 2.The basic function of pure electric automobile shift may be implemented in the learner-driven vehicle of this repacking,
Such as starting acceleration, at the uniform velocity travels, brakes and stops.
But the electric instruction car of such repacking still has following defect：
（1）System has mechanical clutch and clutch operating device, complicated, and the coordination of motor speed and speed is tired
Difficulty, clutch is easy to wear and needs to frequently replace.
（2）Since the cooperation of student's clutch pedal, accelerator pedal and shift handle is uncoordinated, it be easy to cause transmission gear
Damage.
（3）It is different from engine torque output characteristics, driving motor in the slow-speed of revolution, that is, exportable large torque, may cause
Vehicle can also start to walk in high gear, also not meet the requirement on learner-driven vehicle, there is also security risks.
Utility model content
For the defect or Improvement requirement of existing electric instruction car technology, the utility model provides a kind of pure electric vehicle coach
The power assembly system of vehicle is replaced without conventional clutch and clutch operating device using electric control mechanical type automatic speed variator
Traditional manual gear shift transmission replaces mechanical type manual shifting device, electronic selector to provide gear using electronic selector
Signal improves 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, the technical solution of the utility model is as follows：A kind of power on pure electric vehicle learner-driven vehicle
Assembly system, it is characterised in that：Including electronic selector, electronic clutch pedal, electronic accelerator pedal, electronic brake pedal, from
Dynamic variable-speed dynamic assembly, entire car controller, the electronic selector for exporting driver's gear signal of intent, step on by electronics clutch
Plate is used to export the acceleration signal of intent of driver, deceleration of electrons for exporting clutch pedal opening amount signal, electronic accelerator pedal
Pedal is used to export the braking intention signal of driver, and entire car controller receives gear signal of intent, clutch pedal aperture letter
Number, accelerate signal of intent and braking intention signal；Entire car controller is given based on drive demand, vehicle safety and economy strategy
The transmission of EMT power assembly systems executes instruction, the instruction that EMT power assembly systems are used to be sent out according to the entire car controller
Control motor speed, torque 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 terminal of the output end connection entire car controller of the clutch apparatus, the output end connection of the accelerator
The third input terminal of entire car controller, the 4th input terminal of the output end connection entire car controller of the brake apparatus；It is described whole
The input terminal of the first output end connection electric machine controller of vehicle controller, the first of second output terminal 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, second output terminal connect
Connect the second input terminal of gearbox controller；The second of the output end connection electric shift power assembly of the gearbox controller
Input terminal；It is both provided with sensor signal on 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 that electric instruction car is controlled according to tach signal is rotated with corresponding rotating speed, and electric control mechanical type automatic speed variator is according to torque
The wheel of signal control electric instruction car is rotated with corresponding torque.
Above-mentioned technical proposal is further improved：The electronic selector includes shift lever and position sensor, institute
The input terminal of the output end link position sensor of shift lever is stated, the position sensor is for providing 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.
Advantageous effect：
The power assembly system on pure electric vehicle learner-driven vehicle described in the utility model can obtain down compared with prior art
Row advantageous effect：
1, using electronic gear shifter and electric control mechanical type automatic speed variator, the mode of common shift lever+shift fork is substituted, is saved
Clutch and clutch mechanism operating mechanism, the mechanical friction of no-clutch has been gone to reduce shifting system fault point quantity.
2, system uses electrical control automatic manual transmission case and electric clutch, and shift opportunity and shift dynamics are by speed change
Device control system is completed, can be to avoid due to the improper damage caused by gearbox of shift opportunity.
3, entire car controller can be coordinated to control electronic selector gear information, clutch information, accelerate information and speed
Relationship, avoid when speed changer is in high gear vehicle from starting to walk.
Description of the drawings
Fig. 1 is the pure electric vehicle learner-driven vehicle schematic diagram of the prior art；
Fig. 2 is the control system schematic diagram that the utility model is implemented；
Fig. 3 is the network structure topological diagram that the utility model is implemented；
Fig. 4 is the electric clutch pedal fundamental diagram that the utility model is implemented
Fig. 5 is the operation principle schematic diagram for the electronic gear shifter that the utility model is implemented.
Specific implementation mode
The utility model is further illustrated below by way of specific embodiment.
A kind of power assembly system on pure electric vehicle learner-driven vehicle of the utility model as shown in Figure 2, electronic selector, electronics from
Close pedal, electronic accelerator pedal, electronic brake pedal, automatic gear shifting dynamic assembly, entire car controller.The electronic gear shifter
Output end is connected to the first input end of entire car controller, and the output end of the clutch apparatus connects the second of entire car controller
Input terminal, the third input terminal of the output end connection entire car controller of the accelerator, the output end of the brake apparatus connect
Connect the 4th input terminal of entire car controller；The input terminal of the first output end connection electric machine controller of the entire car controller, the
Two output ends connect the first input end of gearbox controller；The first output end connection electric shift of the electric machine controller is dynamic
The first input end of power assembly, second output terminal connect the second input terminal of gearbox controller；The gearbox controller
Output end connects the second input terminal of electric shift power assembly；
Sensor signal, sensor are both provided on the arrangement of clutch, accelerator, gearshift and brake apparatus
The signal of acquisition is respectively the first sensor signal, the second sensor signal, 3rd sensor signal and the 4th sensor letter
Number, signal type is related to sensor type；Therefore, entire car controller obtain signal type also with the type of sensor
It is related；The control device is used to obtain torque signal according to the first sensor signal, 3rd sensor signal, while according to institute
It states the second sensor signal and the 4th sensor signal obtains tach signal；And in the electric gear shift(ing) power assembly
The wheel that motor is used to control electric instruction car according to the tach signal is rotated with corresponding rotating speed, and electric-controlled mechanical is automatic
The wheel that speed changer controls electric instruction car according to torque signal is rotated with corresponding torque.
For example, arrangement of clutch can be made of clutch pedal and first angle sensor, accelerator also can be by accelerating
Pedal and second angle sensor composition, as shown in Figure 2；At this point, the first sensor signal and the second sensor signal difference
For first angle signal and second angle signal, the aperture of clutch pedal and accelerator pedal is corresponded to 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
When 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；It can set first threshold to 10% ~ 20%, second threshold is 75% ~ 85%, with the shape with mechanical fuel vehicle
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 of shift lever and position sensor, and the 3rd sensor signal is position at this time
Signal；Gear generally includes speed threshold（5 grades or 6 grades）, reverse gear and neutral gear, position signal also with the corresponding position pair of shift lever
It answers, and control device can obtain the position of shift lever according to position signal, obtain corresponding speed shelves, reverse gear and sky respectively
The speed signal of shelves, reverse range signal and neutral gear signal.
When clutch signal is separation signal, the torque signal that control device obtains is 0；When clutch signal is binding signal
When, identical as mechanical fuel vehicle, 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 at this time and gear phase
It closes；I.e. when shift signal is speed signal, electric control mechanical type automatic speed variator can manipulate wheel and carry out corresponding torque adjustment.
Embodiment one
If Fig. 2, Fig. 3, Fig. 4, the power assembly of embodiment shown in fig. 51 and its control system are by EMT power assemblies, whole
The groups such as vehicle controller, electronic gear shifter, clutch pedal, accelerator pedal, brake pedal, electric machine controller, gearbox controller
At.
EMT power assemblies：The power assembly includes motor and electric control mechanical type automatic speed variator.Wherein, motor is according to electricity
The adjusting 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 is controlled by gearbox controller and is shifted gears.
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, power battery state and setting assigns instruction, completes to electric machine controller, speed changer
The control of controller, realize vehicle launch, accelerations, at the uniform velocity, slow down, stop intention.Entire car controller is received by CAN bus
The motor speed signal of electric machine controller calibration, and then the peak torque according to motor characteristic torque equation calculation under the rotating speed
Value.
Electronic gear shifter：The device by traditional shift lever, gear positions monitoring sensor form, have 1~5 grade, R grades 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
It uses, each gear information can be sent out to entire car controller with digital signal, and then entire car controller is according to the gear information, to
Gearbox controller sends out shifting commands.It is intended to since the electronic gear shifter only exports driver's gear, is not connected to gearbox, no
Directly execute 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 out corresponding voltage value.In the present embodiment, as bonding state when being less than 15% using clutch pedal aperture, between 15%
It is semi-linkage state when~80% section, is discrete state when being higher than 80%.By compare entire car controller program in it is preset from
Clutch discrete state, semi-linkage state or bonding state, 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 in conjunction with gear information, entire car controller is sent out
Vehicle control instructs.Since the present embodiment eliminates clutch, 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 out instruction, Jin Ertong from 0 to 100% with linear relationship to entire car controller
The acceleration or deceleration for crossing electric machine controller control motor, realizes the acceleration of vehicle and runs slowly.
Brake pedal：It is acted according to the action triggers braking system of brake pedal, completes braking or parking.
Electric machine controller：The acceleration and deceleration instruction that entire car controller is sent out is received, motor speed is adjusted.
Gearbox controller：The shifting commands that entire car controller is sent out are received, electric control mechanical type automatic speed variator is carried out
Shift transformation realizes that plus-minus gear, reverse gear the driving intention switched with neutral gear.
Information above is transmitted by CAN bus network.
The basic function of manual shift electric vehicle may be implemented by reequiping above, let slip the clutch is cut-off to be driven
Dynamic motor couples with the power of gearbox.When 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, when brake pedal, vehicle control
Device processed obtains brake pedal signal, brake instruction is sent to electric machine controller through CAN bus, motor shuts down, and passes through simultaneously
Conventional braking system completes braking process.
Embodiment described above is only the preferred embodiment of the utility model, and the not feasible implementation of the utility model
It is exhaustive.For persons skilled in the art, it is made under the premise of without departing substantially from the utility model principle and spirit
Any obvious change gone out, should all be contemplated as falling within the claims of the utility model.
Claims (3)
1. a kind of power assembly system on pure electric vehicle learner-driven vehicle, 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 output end of the electronic gear shifter
It 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 third input terminal of the output end connection entire car controller of the accelerator, the output end connection of the brake apparatus are whole
4th input terminal of vehicle controller；The input terminal of the first output end connection electric machine controller of the entire car controller, second is defeated
Outlet connects the first input end of gearbox controller；The first output end connection electric shift power of the electric machine controller is total
At first input end, second output terminal connect gearbox controller the second input terminal；The output of the gearbox controller
Second input terminal of end connection electric shift power assembly；The arrangement of clutch, accelerator, gearshift and brake apparatus
On be both provided with sensor signal；The control device is used to obtain torque signal, tach signal by sensor signal；It is described
The wheel that motor in electric gear shift(ing) power assembly controls electric instruction car according to tach signal is rotated with corresponding rotating speed, electricity
The wheel that control automatic mechanical transmission controls electric instruction car according to torque signal is rotated with corresponding torque.
2. a kind of power assembly system on pure electric vehicle learner-driven vehicle according to claim 1, it is characterised in that：The electronics changes
Frequency modulator includes shift lever and position sensor, the input terminal of the output end link position sensor of the shift lever, institute's rheme
Sensor is set for providing shift signal.
3. a kind of power assembly system on pure electric vehicle learner-driven vehicle according to claim 2, 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 |
|---|---|---|---|
| CN201721293535.8U CN207607489U (en) | 2017-10-09 | 2017-10-09 | A kind of power assembly system on pure electric vehicle learner-driven vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721293535.8U CN207607489U (en) | 2017-10-09 | 2017-10-09 | A kind of power assembly system on pure electric vehicle learner-driven vehicle |
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| CN207607489U true CN207607489U (en) | 2018-07-13 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107618509A (en) * | 2017-10-09 | 2018-01-23 | 东风特汽（十堰）专用车有限公司 | A kind of power assembly system of pure electric instruction car |
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- 2017-10-09 CN CN201721293535.8U patent/CN207607489U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107618509A (en) * | 2017-10-09 | 2018-01-23 | 东风特汽（十堰）专用车有限公司 | A kind of power assembly system of pure electric instruction car |
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