CN206067463U - The power assembly device of pure electric automobile - Google Patents
The power assembly device of pure electric automobile Download PDFInfo
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- CN206067463U CN206067463U CN201621068766.4U CN201621068766U CN206067463U CN 206067463 U CN206067463 U CN 206067463U CN 201621068766 U CN201621068766 U CN 201621068766U CN 206067463 U CN206067463 U CN 206067463U
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- speed
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- rotating speed
- variator
- direct current
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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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Abstract
This utility model provides a kind of power assembly device of pure electric automobile, including motor driver, direct current generator, the variator of slip clutch transmission, differential mechanism, entire car controller (VCU) and electric machine controller (MCU), the entire car controller is obtained comprising motor speed and load current in real time from the electric machine controller and the second group sensor, one group of parameter of the one rotating speed signal of clutch plate of clutch separation signal and transmission input shaft, the rotating speed of the motor controller controls direct current generator is indicated according to this group of parameter, so that the rotating speed of the driving disc spacing pressing of the slip clutch driven by the direct current generator is consistent with the rotating speed of one axle of clutch plate of the driving disc spacing pressing rotating speed and the transmission input shaft of the slip clutch.
Description
Technical field
This utility model relates generally to electric automobile field, more particularly to a kind of power assembly device of pure electric automobile.
Background technology
People have promoted the development of electric automobile to the growing interest of environment and the energy.The technological difficulties of current electric automobile
It is to be difficult under the bottleneck gone beyond, how to improve the service efficiency of electric energy in battery technology.That is, how to improve electronic
The efficiency of the electric drive assembly of automobile, reduces energy consumption, lifts the target of distance travelled.
The electric drive method that electric automobile is generally adopted at present is to fix decelerator and differential mechanism by Motor drive, and motor is only
Drive by fixed deceleration ratio method.This method can only be met under the Rational Rotation Speed ratio/torque of a certain operating mode, narrow limited
Work in interval range.If requirement of the complex working condition to torque is met, motor speed/electric current can only be increased by continuous,
Harm of the heavy-current discharge to battery is not taken into account, using motor peak power, peak torque and peak value large driven current density motor
Corresponding moment of torsion can be obtained.The consequence that so vicious cycle is caused is：1) the motor feels hot, and service efficiency declines；2) make it is limited simultaneously
The capacity of expensive power battery pack drastically declines, while peak value heavy-current discharge makes battery steep temperature rise, intensification cause battery core
Internal resistance is increased dramatically, and battery is greatly impacted and damaging of cannot retrieving.The infringement of battery shows that charging cycle is secondary
The quick reduction of number, capacitance of storage and the electric discharge that the battery core life-span falls sharply, the discharge period declines and do not meet power battery pack are special
Property.2nd point of consequence is significant for the impact that electric automobile course continuation mileage declines.Hence with the driving side of fixed constant speed ratio
There is fatal defect and cannot overcome in method.
If adopting variable ratio transmission, high speed discrepancy engagement when slip clutch transmission starting, gear shift can be encountered
Defect and technical barrier.Actually used middle slip clutch inevitably takes place frequently shake, pause and transition in rhythm or melody, impact, heavy wear, mistake
Heat, frictional force decay, skidding stall, so that damage failure.If China's CN102180103B Patent Application Publications are only with straight
Line Motor drive clutch separation and engagement, are not directed to the control technology that clutch driving plate and clutch plate are engaged with rotating speed,
But still there is a problem of separating easily engagement hardly possible.Chinese CN103552448A Patent Application Publications are due to slip clutch
Control a difficult problem and directly eliminate clutch, so as to avoid the problem of clutch control difficult point.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of power assembly device of pure electric automobile, Ke Yihuan
The problem of high speed discrepancy engagement when solution slip clutch transmission starting, gear shift.
To solve above-mentioned technical problem, this utility model provides a kind of power assembly device of pure electric automobile, including
Motor driver, direct current generator, the variator of slip clutch transmission, differential mechanism, entire car controller (VCU) and motor control
Device (MCU) processed, wherein, the motor driver electrically connects the direct current generator, and the output shaft of the direct current generator connects the variator
Input, the outfan of the variator connect the wheel shaft of driving wheel；Be provided with the direct current generator respectively to measure it is following at least
The first group of sensor of partial parameters：Motor speed, driving current, the input of the electric machine controller connect first group of sensing
Device；The signal input part of the motor driver connects the control signal output of the electric machine controller；It is provided with the variator point
The other second group sensor to provide following at least part of signal：The clutch plate of clutch separation signal, transmission input shaft
One rotating speed signal, the first input end of the entire car controller connect the second group sensor；The entire car controller, the motor control
Device processed and motor driver Jing vehicle-carrying communications bus are connected；Wherein the entire car controller from the electric machine controller and this
Two groups of sensors obtain the clutch plate comprising motor speed and load current, clutch separation signal and transmission input shaft in real time
One group of parameter of one rotating speed signal, indicates the rotating speed of the motor controller controls direct current generator according to this group of parameter, so as to
Make the rotating speed and the driving disc spacing pressing rotating speed and the friction type clutch of the driving disc spacing pressing of the slip clutch driven by the direct current generator
The rotating speed of one axle of clutch plate of the transmission input shaft of device is consistent.
In an embodiment of the present utility model, front-wheel of the driving wheel for pure electric automobile.
In an embodiment of the present utility model, trailing wheel of the driving wheel for pure electric automobile.
In an embodiment of the present utility model, also including the differential being connected between the variator and the wheel shaft of driving wheel
Device.
In an embodiment of the present utility model, the variator is Mechanical Driven single clutch manual variator, isolated conjunction
The variator of the automatic transmission, the steel band type buncher of single clutch transmission or double clutch transmission of device transmission.
In an embodiment of the present utility model, in the entire car controller, variable-speed controller is provided with, the variable-speed controller
Input connects the first input end of the entire car controller, the outfan of the variable-speed controller and changing for the slip clutch
Shelves executor input connection.
The power assembly device of pure electric automobile according to claim 1, it is characterised in that the entire car controller
Second input is connected with the main drive signal outfan of the accelerator pedal of the pure electric automobile and brake signal outfan.
In an embodiment of the present utility model, the entire car controller is driven the direct current generator in vehicle starting
The slip clutch driving disc spacing pressing rotating speed and the driving disc spacing pressing rotating speed and the transmission input shaft of the slip clutch
The rotating speed of one axle of clutch plate is consistent.
In an embodiment of the present utility model, it is characterised in that the entire car controller makes the direct current in each gear shift
The rotating speed of the driving disc spacing pressing of the slip clutch driven by motor and the driving disc spacing pressing rotating speed and the speed change of the slip clutch
The rotating speed of one axle of clutch plate of device input shaft is consistent.
Compared with prior art, this utility model driving disc spacing pressing rotating speed and change in starting and each gear shift by pure electric automobile
The real-time rotating speed of one axle of clutch plate of fast device input shaft is consistent, and realizes that traveling of the smooth-going without pause and transition in rhythm or melody carries out energy-conservation in each operating mode
Drive.
Description of the drawings
Fig. 1 illustrates the power assembly structure drawing of device of the pure electric automobile of this utility model first embodiment.
Fig. 2 illustrates the power assembly structure drawing of device of the pure electric automobile of this utility model second embodiment.
Fig. 3 illustrates the power assembly structure drawing of device of the pure electric automobile of this utility model 3rd embodiment.
Fig. 4 illustrates the power assembly structure drawing of device of the pure electric automobile of this utility model fourth embodiment.
Specific embodiment
It is that above-mentioned purpose of the present utility model, feature and advantage can be become apparent, below in conjunction with accompanying drawing to this practicality
New specific embodiment elaborates.
Many details are elaborated in the following description in order to fully understand this utility model, but this practicality is new
Type can also be different from alternate manner described here to implement using other, therefore this utility model does not receive following public tool
The restriction of body embodiment.
According to embodiment of the present utility model, a kind of direct current generator tandem drive slip clutch transmission speed variator is proposed
Power assembly device.According to the power assembly device proposed by embodiment of the present utility model, put down can pure electric automobile
It is suitable to travel without pause and transition in rhythm or melody under each operating mode.
First embodiment
Fig. 1 illustrates the power assembly device of the pure electric automobile of this utility model first embodiment.With reference to shown in Fig. 1, one
The power assembly device 100 of pure electric automobile is planted, including motor driver 110, the transmission of direct current generator 120, slip clutch
Variator 130, power battery pack 140, distribution box 150, electric machine controller (MCU) 161, battery management system (Battery
Management System, BMS) 162, and entire car controller (VCU) 163.
For powering for pure electric automobile, its power supply outfan Jing Insulating A High-Voltages wire connects distribution to power battery pack 140
Case 150.The power input of motor driver 110 is connected with the outfan Jing Insulating A High-Voltage wires of distribution box 150.
Motor driver 110 electrically connects direct current generator 120.For example, the high voltage input terminal and motor of direct current generator 120
The high-voltage output end of driver 110 is corresponding, and Jing Insulating A High-Voltage wires are connected.
The output shaft of direct current generator 120 connects the input of variator 130, the outfan connection driving wheel of the variator
132 wheel shaft.In the present embodiment, driving wheel 132 is front-wheel.In one embodiment, the output shaft of direct current generator 120 is by flower
In the internal spline of the terminal pad axle sleeve of key insertion variator 130, fix as one.
In one embodiment, the characteristic of direct current generator 120 is the slow-speed of revolution/high pulling torque (0-4500rmp/min) (according to phone
Link up modification), its maximum output torque is matched with the input torque of the variator 130 for being driven.
In the present embodiment, variator 130 can be Mechanical Driven single clutch manual variator.The company of variator 130
The driving disc spacing pressing of the outer disk laminating slip clutch of spindle set, correspondence screw are fixed as one with bolt.Affixed unidirectional current
The corresponding location hole of shell plane and spiral shell of the coaxial corresponding alignment pin plane laminating variator 130 of the center shell of machine 120
Pit, is fixed as one by bolt.
For the driving of variator 130 is front-wheel, in differential mechanism (figure does not show) the driving delivery outlet two ends of variator 130
Two semiaxis of axle spline housing and left and right relative insert affixed.The male splined shaft of left and right semiaxis outer end inserts left and right sidesing driving wheel respectively
Fastening in the inner spline housing at center.So, it is combined into by forerunner's type of DC motor Driver slip clutch transmission speed variator
Power assembly device.
Can be provided with direct current generator 120 respectively to measure the first group of sensor (not shown) of following parameter：Temperature,
Rotating speed, voltage, electric current and torque.It is appreciated that these parameters can select some or all as needed.Often
Planting parameter can have a corresponding sensor.Such as first group of sensor includes temperature sensor, speed probe, voltage inspection
Survey device, amperometric and torque master.
It is provided with variator 130 respectively to provide the second group sensor (not shown) of signals below：Clutch point
From signal, the one rotating speed signal of clutch plate of transmission input shaft.It is appreciated that these parameters can select one as needed
It is some or all of.
First group of sensor in the input connection direct current generator 120 of electric machine controller 161, with the motor needed for obtaining
Various parameters, such as temperature, rotating speed, voltage, electric current, torque etc..
The control signal output of of electric machine controller 161 then connects the signal input part of motor driver 110.Electricity
Program management control of the machine driver 110 by electric machine controller 161.
The first input end connection of entire car controller 153 connects second group sensor to obtain the signal of its offer.From
A clutch separation limit sensors are set below clutch pedal.Second input of entire car controller 163 and pure electric automobile
The main drive signal outfan of accelerator pedal and the connection of brake pedal brake signal outfan Jing wires.
Electric machine controller 161 is connected with 163 Jing vehicle-carrying communication buses of entire car controller.Vehicle-carrying communication bus is, for example, scene
Bus (CAN).
According to an embodiment, included from electric machine controller 161 and second group sensor in real time by entire car controller 163
One group of ginseng of the one rotating speed signal of clutch plate of motor speed and load current, clutch separation signal and transmission input shaft
Number, controls the rotating speed of direct current generator 120 according to this group of parameter indication motor controller 161, so that direct current generator 120 is driven
The slip clutch driving disc spacing pressing rotating speed and driving disc spacing pressing rotating speed and the slip clutch transmission input shaft from
The rotating speed of one axle of Moving plate is consistent.
The consistent control of above-mentioned rotating speed, can when (600-650 rev/min of the slow-speed of revolution) is started to walk or during gear shift,
Within the control response time is 20ms, releases the clutch pedal after waiting advance and retreat shelves and realize the master and slave Moving plate of slip clutch
Slow-speed of revolution quick and stable is engaged.Vehicle enters starting crawling pattern, and each gear shift in traveling makes driving disc spacing pressing rotating speed defeated with variator
The real-time rotating speed for entering one axle of clutch plate of axle is consistent, and logical order circulating repetition operating process according to this, normally travel.
Entire car controller 163 passes through CAN or holding wire is obtained in real time and includes that main driving of GES, accelerator pedal is believed
Number, it is the one rotating speed signal of clutch plate of brake signal, clutch separation signal, transmission input shaft, motor speed, torque, negative
Carry the signals such as electric current.It is intelligently positive according to GES and electricity drives load current value and matches, make speed change point (shelves) and speed
(Km/h) in the variator ratio range of variator, full working scope realizes Real-time and Dynamic active servo speed change.These operating modes may include to open
It is dynamic, at a slow speed, middling speed, quick, upward slope, uphill starting etc..
In addition, it is necessary to set automobile gear ratio under various operating modes.For example, 1 grade is maximum gear ratio, correspondence 0-
The speed of 10km/h；10 grades are minimum gear ratio, correspond to the speed of 60km/h.Remaining speed change point (shelves) can be by vehicle speed value
Decile is corresponding, sequentially enters shelves.Move back the corresponding vehicle speed value of shelves to be less than into a grade vehicle speed value.For example, forward and back gear shift response speed
It is less than 10ms.It is thereby achieved that intelligent self-learning circulation gear ratio control.
The following is and gear is more particularly described：
1 grade：Use when normally starting to walk or climb very steep slope.Using the gear, speed is typically in 10km/h.
2 grades：The transition shelves accelerated after starting, use when low-speed forward or climb very steep slopes, and speed is typically in 20km/h.
3 grades：Forward gear, general speed are used in 20km/h～40km/h, and in urban district, traveling commonly uses the gear.
4 grades：40km/h～50km/h can use the gear.
5 grades：50km/h～60km/h can use the gear, use when vehicle high-speed runs.
6 grades：60km/h～70km/h can be with using the shelves, use during vehicle high-speed operation.
N shelves are neutrals, use, when such as waiting traffic lights, be suspended to N shelves and pull on parking brake when stopping idle.
R shelves are reverse gear, are used during reversing.
For manual transmission, shift sequence is as follows：
Starting first puts in the first speed, and slow releasing clutch enters crawling pattern；
When motor is shifted gears within less than 1800 turns, entering shelves order is：One grade of one fourth gear First Five-Year Plan of one or two grades of third gear shelves one
Six grades.Downshift order presses speed, carries out gear shift according to the general motor speed of the speed right side of turning left less than 1300.
Second embodiment
Fig. 2 illustrates the power assembly device of the pure electric automobile of this utility model second embodiment.With reference to shown in Fig. 2, one
The power assembly device 100 of pure electric automobile is planted, including motor driver 110, the transmission of direct current generator 120, slip clutch
Variator 130, differential mechanism 130a, power battery pack 140, distribution box 150, electric machine controller (MCU) 161, battery management system
System (Battery Management System, BMS) 162, and entire car controller (VCU) 163.
For powering for pure electric automobile, its power supply outfan Jing Insulating A High-Voltages wire connects distribution to power battery pack 140
Case 150.The power input of motor driver 110 is connected with the outfan Jing Insulating A High-Voltage wires of distribution box 150.
Motor driver 110 electrically connects direct current generator 120.For example, the high voltage input terminal and motor of direct current generator 120
The high-voltage output end of driver 110 is corresponding, and Jing Insulating A High-Voltage wires are connected.
The output shaft of direct current generator 120 connects the input of variator 130, and the outfan of variator 130 passes through differential mechanism
130a connects the wheel shaft of driving wheel 132.In the present embodiment, driving wheel 132 is trailing wheel.In one embodiment, direct current generator 120
Output shaft by spline insert variator 130 terminal pad axle sleeve internal spline in, fix as one.
In one embodiment, the characteristic of direct current generator 120 is the slow-speed of revolution/high pulling torque (0-3500rmp/min), and its maximum is defeated
Go out torque and match with the input torque of the variator 130 for being driven.
In the present embodiment, variator 130 can be Mechanical Driven single clutch manual variator.The company of variator 130
The driving disc spacing pressing of the outer disk laminating slip clutch of spindle set, correspondence screw are fixed as one with bolt.Affixed unidirectional current
The corresponding location hole of shell plane and spiral shell of the coaxial corresponding alignment pin plane laminating variator 130 of the center shell of machine 120
Pit, is fixed as one by bolt.
Due to the driving of variator 130 is trailing wheel, 130 output shaft of variator and universal joint and power transmission shaft and rear axle differential
Affixed one.So, it is combined into by the rear-guard type power assembly device of DC motor Driver slip clutch transmission speed variator.
Can be provided with direct current generator 120 respectively to measure the first group of sensor (not shown) of following parameter：Temperature,
Rotating speed, voltage, electric current and torque.It is appreciated that these parameters can select some or all as needed.Often
Planting parameter can have a corresponding sensor.Such as first group of sensor includes temperature sensor, speed probe, voltage inspection
Survey device, amperometric and torque master.
It is provided with variator 130 respectively to provide the second group sensor (not shown) of signals below：Clutch point
From signal, the one rotating speed signal of clutch plate of transmission input shaft.It is appreciated that these parameters can select one as needed
It is some or all of.
First group of sensor in the input connection direct current generator 120 of electric machine controller 161, with the motor needed for obtaining
Various parameters, such as temperature, rotating speed, voltage, electric current, torque etc..
The control signal output of of electric machine controller 161 then connects the signal input part of motor driver 110.Electricity
Program management control of the machine driver 110 by electric machine controller 161.
The first input end connection of entire car controller 153 connects second group sensor to obtain the signal of its offer.From
A clutch separation limit sensors are set below clutch pedal.Second input of entire car controller 163 and pure electric automobile
The main drive signal outfan of accelerator pedal and the connection of brake pedal brake signal outfan Jing wires.
Electric machine controller 161 is connected with 163 Jing vehicle-carrying communication buses of entire car controller.Vehicle-carrying communication bus is, for example, scene
Bus (CAN).
According to an embodiment, included from electric machine controller 161 and second group sensor in real time by entire car controller 163
One group of ginseng of the one rotating speed signal of clutch plate of motor speed and load current, clutch separation signal and transmission input shaft
Number, controls the rotating speed of direct current generator 120 according to this group of parameter indication motor controller 161, so that direct current generator 120 is driven
The slip clutch driving disc spacing pressing rotating speed and driving disc spacing pressing rotating speed and the slip clutch transmission input shaft from
The rotating speed of one axle of Moving plate is consistent.
The consistent control of above-mentioned rotating speed, can when (600-650 rev/min of the slow-speed of revolution) is started to walk or during gear shift,
Within the control response time is 20ms, releases the clutch pedal after waiting advance and retreat shelves and realize the master and slave Moving plate of slip clutch
Slow-speed of revolution quick and stable is engaged.Vehicle enters starting crawling pattern, and each gear shift in traveling makes driving disc spacing pressing rotating speed defeated with variator
The real-time rotating speed for entering one axle of clutch plate of axle is consistent, and logical order circulating repetition operating process according to this, normally travel.
Entire car controller 163 passes through CAN or holding wire is obtained in real time and includes that main driving of GES, accelerator pedal is believed
Number, it is the one rotating speed signal of clutch plate of brake signal, clutch separation signal, transmission input shaft, motor speed, torque, negative
Carry the signals such as electric current.It is intelligently positive according to GES and electricity drives load current value and matches, make speed change point (shelves) and speed
(Km/h) in the variator ratio range of variator, full working scope realizes Real-time and Dynamic active servo speed change.These operating modes may include to open
It is dynamic, at a slow speed, middling speed, quick, upward slope, uphill starting etc..
In addition, it is necessary to set automobile gear ratio under various operating modes.For example, 1 grade is maximum gear ratio, correspondence 0-
The speed of 10km/h；10 grades are minimum gear ratio, correspond to the speed of 60km/h.Remaining speed change point (shelves) can be by vehicle speed value
Decile is corresponding, sequentially enters shelves.Move back the corresponding vehicle speed value of shelves to be less than into a grade vehicle speed value.For example, forward and back gear shift response speed
It is less than 10ms.It is thereby achieved that intelligent self-learning circulation gear ratio control.
The following is and gear is more particularly described：
1 grade：Use when normally starting to walk or climb very steep slope.Using the gear, speed is typically in 10km/h.
2 grades：The transition shelves accelerated after starting, use when low-speed forward or climb very steep slopes, and speed is typically in 20km/h.
3 grades：Forward gear, general speed are used in 20km/h～40km/h, and in urban district, traveling commonly uses the gear.
4 grades：40km/h～50km/h can use the gear.
5 grades：50km/h～60km/h can use the gear, use when vehicle high-speed runs.
6 grades：60km/h～70km/h can be with using the shelves, use during vehicle high-speed operation.
N shelves are neutrals, use, when such as waiting traffic lights, be suspended to N shelves and pull on parking brake when stopping idle.
R shelves are reverse gear, are used during reversing.
For manual transmission, shift sequence is as follows：
Starting first puts in the first speed, and slow releasing clutch enters crawling pattern；
When motor is shifted gears within less than 1800 turns, entering shelves order is：One grade of one fourth gear First Five-Year Plan of one or two grades of third gear shelves one
Six grades.Downshift order presses speed, carries out gear shift according to the general motor speed of the speed right side of turning left less than 1300.
3rd embodiment
Fig. 3 illustrates the power assembly device of the pure electric automobile of this utility model 3rd embodiment.With reference to shown in Fig. 1, one
The power assembly device 100 of pure electric automobile is planted, including motor driver 110, the transmission of direct current generator 120, slip clutch
Variator 130, power battery pack 140, distribution box 150, electric machine controller (MCU) 161, battery management system (Battery
Management System, BMS) 162, entire car controller (VCU) 163 and variable-speed controller 164.
For powering for pure electric automobile, its power supply outfan Jing Insulating A High-Voltages wire connects distribution to power battery pack 140
Case 150.The power input of motor driver 110 is connected with the outfan Jing Insulating A High-Voltage wires of distribution box 150.
Motor driver 110 electrically connects direct current generator 120.For example, the high voltage input terminal and motor of direct current generator 120
The high-voltage output end of driver 110 is corresponding, and Jing Insulating A High-Voltage wires are connected.
The output shaft of direct current generator 120 connects the input of variator 130, the outfan connection driving wheel of the variator
132 wheel shaft.In the present embodiment, driving wheel 132 is front-wheel.In one embodiment, the output shaft of direct current generator 120 is by flower
In the internal spline of the terminal pad axle sleeve of key insertion variator 130, fix as one.
In one embodiment, the characteristic of direct current generator 120 is the slow-speed of revolution/high pulling torque (0-3500rmp/min), and its maximum is defeated
Go out torque and match with the input torque of the variator 130 for being driven.
In the present embodiment, variator 130 can be automatic electric, liquid drive single clutch transmission automatic transmission,
Electricity, liquid drive the steel band type buncher or electricity of single clutch transmission, the variator of the double clutch transmission of liquid driving.Become
The driving disc spacing pressing of the outer disk laminating slip clutch of the connecting bushing of fast device 130, correspondence screw are fixed as one with bolt.
The shell plane of the coaxial corresponding alignment pin plane laminating variator 130 of the center shell of affixed direct current generator 120 is corresponding
Location hole and screwed hole, are fixed as one by bolt.
Due to the driving of variator 130 is front-wheel, in differential mechanism (figure does not show) the driving delivery outlet two ends of variator 130
Two semiaxis of axle spline housing and left and right relative insert affixed.The male splined shaft of left and right semiaxis outer end inserts left and right sidesing driving wheel respectively
Fastening in the inner spline housing at center.So, it is combined into by forerunner's type of DC motor Driver slip clutch transmission speed variator
Power assembly device.
Can be provided with direct current generator 120 respectively to measure the first group of sensor (not shown) of following parameter：Temperature,
Rotating speed, voltage, electric current and torque.It is appreciated that these parameters can select some or all as needed.Often
Planting parameter can have a corresponding sensor.Such as first group of sensor includes temperature sensor, speed probe, voltage inspection
Survey device, amperometric and torque master.
It is provided with variator 130 respectively to provide the second group sensor (not shown) of signals below：Clutch point
From signal, the one rotating speed signal of clutch plate of transmission input shaft.It is appreciated that these parameters can select one as needed
It is some or all of.
First group of sensor in the input connection direct current generator 120 of electric machine controller 161, with the motor needed for obtaining
Various parameters, such as temperature, rotating speed, voltage, electric current, torque etc..
The control signal output of of electric machine controller 161 then connects the signal input part of motor driver 110.Electricity
Program management control of the machine driver 110 by electric machine controller 161.
Variable-speed controller 164 is configured in entire car controller 163, and its input is defeated by the first of entire car controller 163
Enter end connection second group sensor to obtain the signal of its offer.The outfan of variable-speed controller 164 and slip clutch
131 input of gear shifting operator connects.Thus, variable-speed controller 164 can carry out gear control.
A clutch separation limit sensors are set below clutch pedal.Second input of entire car controller 163 with
The main drive signal outfan of the accelerator pedal of pure electric automobile and the connection of brake pedal brake signal outfan Jing wires.
Electric machine controller 161 is connected with 163 Jing vehicle-carrying communication buses of entire car controller.Vehicle-carrying communication bus is, for example, scene
Bus (CAN).
According to an embodiment, included from electric machine controller 161 and second group sensor in real time by entire car controller 163
One group of ginseng of the one rotating speed signal of clutch plate of motor speed and load current, clutch separation signal and transmission input shaft
Number, controls the rotating speed of direct current generator 120 according to this group of parameter indication motor controller 161, so that direct current generator 120 is driven
The slip clutch driving disc spacing pressing rotating speed it is driven with the transmission input shaft of driving disc spacing pressing rotating speed and slip clutch
The rotating speed of one axle of disk is consistent.
So, in variator automated friction formula clutch by 163 command motor controller of entire car controller, 161 motor
120 rotating speed/driving current and variable-speed controller synchronized shifting executor control clutch separation.In starting, driving disc spacing pressing is made
Rotating speed keeps the 600-650 rev/min of starting slow-speed of revolution with the real-time rotating speed of one axle of clutch plate of transmission input shaft, steadily quickly connects
Close, vehicle enters starting crawling pattern.In traveling, gearshift makes the reality of driving disc spacing pressing and one axle of clutch plate of transmission input shaft every time
When rotating speed be consistent.
Entire car controller 163 passes through CAN or holding wire is obtained in real time and includes that main driving of GES, accelerator pedal is believed
Number, it is the one rotating speed signal of clutch plate of brake signal, clutch separation signal, transmission input shaft, motor speed, torque, negative
Carry the signals such as electric current.It is intelligently positive according to GES and electricity drives load current value and matches, make speed change point (shelves) and speed
(Km/h) in the variator ratio range of variator, full working scope realizes Real-time and Dynamic active servo speed change.These operating modes may include to open
It is dynamic, at a slow speed, middling speed, quick, upward slope, uphill starting etc..
In addition, it is necessary to set automobile gear ratio under various operating modes.For example, 1 grade is maximum gear ratio, correspondence 0-
The speed of 10km/h；It is most high-grade for minimum gear ratio, correspond to the speed of 60-80km/h.Remaining speed change point (shelves) can be by
Vehicle speed value decile is corresponding, sequentially enters shelves.Move back the corresponding vehicle speed value of shelves to be less than into a grade vehicle speed value.For example, forward and back gear shift rings
Speed is answered to be less than 10ms.It is thereby achieved that intelligent self-learning circulation gear ratio control.
The following is and gear is more particularly described：
1 grade：Use when normally starting to walk or climb very steep slope.Using the gear, speed is typically in 10km/h.
2 grades：The transition shelves accelerated after starting, use when low-speed forward or climb very steep slopes, and speed is typically in 20km/h.
3 grades：Forward gear, general speed are used in 20km/h～40km/h, and in urban district, traveling commonly uses the gear.
4 grades：40km/h～50km/h can use the gear.
5 grades：50km/h～60km/h can use the gear, use when vehicle high-speed runs.
6 grades：60km/h～70km/h can be with using the shelves, use during vehicle high-speed operation.
N shelves are neutrals, use, when such as waiting traffic lights, be suspended to N shelves and pull on parking brake when stopping idle.
R shelves are reverse gear, are used during reversing.
Driving process is as follows：
1. idling operation (600 revs/min～650 revs/min) is launched into；
2. step on brake pedal on earth, select P, R, N, D, L gear；
3. take-off the brake parking brake；
4. pine brake pedal is delayed to removing completely, and vehicle is automatically into wriggling jogging state (1～10km/h speed per hours)；
5. stepping on accelerator pedal vehicle realizes intelligent speed changing according to real-time speed, driving current by the intention of driver, smooth-going
The each operating mode energy-conservation of traveling without pause and transition in rhythm or melody drives.
Fourth embodiment
Fig. 4 illustrates the power assembly device of the pure electric automobile of this utility model fourth embodiment.With reference to shown in Fig. 2, one
The power assembly device 100 of pure electric automobile is planted, including motor driver 110, the transmission of direct current generator 120, slip clutch
Variator 130, differential mechanism 130a, power battery pack 140, distribution box 150, electric machine controller (MCU) 161, battery management system
System (Battery Management System, BMS) 162, and entire car controller (VCU) 163.
For powering for pure electric automobile, its power supply outfan Jing Insulating A High-Voltages wire connects distribution to power battery pack 140
Case 150.The power input of motor driver 110 is connected with the outfan Jing Insulating A High-Voltage wires of distribution box 150.
Motor driver 110 electrically connects direct current generator 120.For example, the high voltage input terminal and motor of direct current generator 120
The high-voltage output end of driver 110 is corresponding, and Jing Insulating A High-Voltage wires are connected.
The output shaft of direct current generator 120 connects the input of variator 130, and the outfan of variator 130 passes through differential mechanism
130a connects the wheel shaft of driving wheel 132.In the present embodiment, driving wheel 132 is trailing wheel.In one embodiment, direct current generator 120
Output shaft by spline insert variator 130 terminal pad axle sleeve internal spline in, fix as one.
In one embodiment, the characteristic of direct current generator 120 is the slow-speed of revolution/high pulling torque (0-3500rmp/min), and its maximum is defeated
Go out torque and match with the input torque of the variator 130 for being driven.
In the present embodiment, variator 130 can be Mechanical Driven single clutch manual variator.The company of variator 130
The driving disc spacing pressing of the outer disk laminating slip clutch of spindle set, correspondence screw are fixed as one with bolt.Affixed unidirectional current
The corresponding location hole of shell plane and spiral shell of the coaxial corresponding alignment pin plane laminating variator 130 of the center shell of machine 120
Pit, is fixed as one by bolt.
Due to the driving of variator 130 is trailing wheel, 130 output shaft of variator and universal joint and power transmission shaft and rear axle differential
Affixed one.So, it is combined into by the rear-guard type power assembly device of DC motor Driver slip clutch transmission speed variator.
Can be provided with direct current generator 120 respectively to measure the first group of sensor (not shown) of following parameter：Temperature,
Rotating speed, voltage, electric current and torque.It is appreciated that these parameters can select some or all as needed.Often
Planting parameter can have a corresponding sensor.Such as first group of sensor includes temperature sensor, speed probe, voltage inspection
Survey device, amperometric and torque master.
It is provided with variator 130 respectively to provide the second group sensor (not shown) of signals below：Clutch point
From signal, the one rotating speed signal of clutch plate of transmission input shaft.It is appreciated that these parameters can select one as needed
It is some or all of.
First group of sensor in the input connection direct current generator 120 of electric machine controller 161, with the motor needed for obtaining
Various parameters, such as temperature, rotating speed, voltage, electric current, torque etc..
The control signal output of of electric machine controller 161 then connects the signal input part of motor driver 110.Electricity
Program management control of the machine driver 110 by electric machine controller 161.
Variable-speed controller 164 is configured in entire car controller 163, and its input is defeated by the first of entire car controller 163
Enter end connection second group sensor to obtain the signal of its offer.The outfan of variable-speed controller 164 and slip clutch
131 input of gear shifting operator connects.Thus, variable-speed controller 164 can carry out gear control.
A clutch separation limit sensors are set below clutch pedal.Second input of entire car controller 163 with
The main drive signal outfan of the accelerator pedal of pure electric automobile and the connection of brake pedal brake signal outfan Jing wires.
Electric machine controller 161 is connected with 163 Jing vehicle-carrying communication buses of entire car controller.Vehicle-carrying communication bus is, for example, scene
Bus (CAN).
According to an embodiment, included from electric machine controller 161 and second group sensor in real time by entire car controller 163
One group of ginseng of the one rotating speed signal of clutch plate of motor speed and load current, clutch separation signal and transmission input shaft
Number, controls the rotating speed of direct current generator 120 according to this group of parameter indication motor controller 161, so that direct current generator 120 is driven
The slip clutch driving disc spacing pressing rotating speed and driving disc spacing pressing rotating speed and the slip clutch transmission input shaft from
The rotating speed of one axle of Moving plate is consistent.
So, in variator automated friction formula clutch by 163 command motor controller of entire car controller, 161 motor
120 rotating speed/driving current and variable-speed controller synchronized shifting executor control clutch separation.In starting, driving disc spacing pressing is made
Rotating speed keeps the 600-650 rev/min of starting slow-speed of revolution with the real-time rotating speed of one axle of clutch plate of transmission input shaft, steadily quickly connects
Close, vehicle enters starting crawling pattern.In traveling, gearshift makes the reality of driving disc spacing pressing and one axle of clutch plate of transmission input shaft every time
When rotating speed be consistent.
Entire car controller 163 passes through CAN or holding wire is obtained in real time and includes that main driving of GES, accelerator pedal is believed
Number, it is the one rotating speed signal of clutch plate of brake signal, clutch separation signal, transmission input shaft, motor speed, torque, negative
Carry the signals such as electric current.It is intelligently positive according to GES and electricity drives load current value and matches, make speed change point (shelves) and speed
(Km/h) in the variator ratio range of variator, full working scope realizes Real-time and Dynamic active servo speed change.These operating modes may include to open
It is dynamic, at a slow speed, middling speed, quick, upward slope, uphill starting etc..
In addition, it is necessary to set automobile gear ratio under various operating modes.For example, 1 grade is maximum gear ratio, correspondence 0-
The speed of 10km/h；10 grades are minimum gear ratio, correspond to the speed of 60km/h.Remaining speed change point (shelves) can be by vehicle speed value
Decile is corresponding, sequentially enters shelves.Move back the corresponding vehicle speed value of shelves to be less than into a grade vehicle speed value.For example, forward and back gear shift response speed
It is less than 10ms.It is thereby achieved that intelligent self-learning circulation gear ratio control.
The following is and gear is more particularly described：
1 grade：Use when normally starting to walk or climb very steep slope.Using the gear, speed is typically in 10km/h.
2 grades：The transition shelves accelerated after starting, use when low-speed forward or climb very steep slopes, and speed is typically in 20km/h.
3 grades：Forward gear, general speed are used in 20km/h～40km/h, and in urban district, traveling commonly uses the gear.
4 grades：40km/h～50km/h can use the gear.
5 grades：50km/h～60km/h can use the gear, use when vehicle high-speed runs.
6 grades：60km/h～70km/h can be with using the shelves, use during vehicle high-speed operation.
N shelves are neutrals, use, when such as waiting traffic lights, be suspended to N shelves and pull on parking brake when stopping idle.
R shelves are reverse gear, are used during reversing.
Driving process is as follows：
1. idling operation (600 revs/min～650 revs/min) is launched into；
2. step on brake pedal on earth, select P, R, N, D, L gear；
3. take-off the brake parking brake；
4. pine brake pedal is delayed to removing completely, and vehicle is automatically into wriggling jogging state (1～10km/h speed per hours)；
5. stepping on accelerator pedal vehicle realizes intelligent speed changing according to real-time speed, driving current by the intention of driver, smooth-going
The each operating mode energy-conservation of traveling without pause and transition in rhythm or melody drives.
Although this utility model is described with reference to current specific embodiment, ordinary skill in the art
Personnel it should be appreciated that the embodiment of the above be intended merely to illustrate this utility model, without departing from this utility model spirit
In the case of can also make various equivalent change or replacement, therefore, as long as in spirit of the present utility model on
State the change of embodiment, modification will all fall in the range of following claims.
Claims (9)
1. a kind of power assembly device of pure electric automobile, including motor driver, direct current generator, slip clutch transmission
Variator, differential mechanism, entire car controller (VCU) and electric machine controller (MCU), it is characterised in that
The motor driver electrically connects the direct current generator, and the output shaft of the direct current generator connects the input of the variator, the change
The outfan of fast device connects the wheel shaft of driving wheel；
It is provided with the direct current generator respectively to measure the first group of sensor of following at least part of parameter：Motor speed, driving
Electric current, the input of the electric machine controller connect the first group of sensor；
The signal input part of the motor driver connects the control signal output of the electric machine controller；
It is provided with the variator respectively to provide the second group sensor of following at least part of signal：Clutch separation signal,
The one rotating speed signal of clutch plate of transmission input shaft, the first input end of the entire car controller connect the second group sensor；
The entire car controller, the electric machine controller and motor driver Jing vehicle-carrying communications bus are connected；
Wherein the entire car controller is obtained comprising motor speed and load in real time from the electric machine controller and the second group sensor
One group of parameter of the one rotating speed signal of clutch plate of electric current, clutch separation signal and transmission input shaft, according to this group of parameter
The rotating speed of the motor controller controls direct current generator is indicated, so that the slip clutch that driven of the direct current generator
The rotating speed of driving disc spacing pressing and the driving disc spacing pressing rotating speed and the rotating speed one of one axle of clutch plate of the transmission input shaft of the slip clutch
Cause.
2. the power assembly device of pure electric automobile according to claim 1, it is characterised in that the driving wheel is pure electronic
The front-wheel of automobile.
3. the power assembly device of pure electric automobile according to claim 1, it is characterised in that the driving wheel is pure electronic
The trailing wheel of automobile.
4. the power assembly device of pure electric automobile according to claim 3, it is characterised in that also including being connected to the change
Differential mechanism between fast device and the wheel shaft of driving wheel.
5. the power assembly device of pure electric automobile according to claim 1, it is characterised in that the variator is machinery drive
Dynamic single clutch manual variator, the automatic transmission of single clutch transmission, the steel band type buncher of single clutch transmission
Or the variator of double clutch transmission.
6. the power assembly device of pure electric automobile according to claim 5, it is characterised in that set in the entire car controller
There is variable-speed controller, the input of the variable-speed controller connects the first input end of the entire car controller, the variable-speed controller
Outfan be connected with the gear shifting operator input of the slip clutch.
7. the power assembly device of pure electric automobile according to claim 1, it is characterised in that the of the entire car controller
Two inputs are connected with the main drive signal outfan of the accelerator pedal of the pure electric automobile and brake signal outfan.
8. the power assembly device of pure electric automobile according to claim 1, it is characterised in that the entire car controller is in vapour
When car is started to walk, make the driving disc spacing pressing of the slip clutch driven by the direct current generator rotating speed and the driving disc spacing pressing rotating speed and this rub
The rotating speed of one axle of clutch plate of the transmission input shaft of erasing clutch is consistent.
9. the power assembly device of pure electric automobile according to claim 1, it is characterised in that the entire car controller is every
During secondary gear shift, make the driving disc spacing pressing of the slip clutch driven by the direct current generator rotating speed and the driving disc spacing pressing rotating speed and this rub
The rotating speed of one axle of clutch plate of the transmission input shaft of erasing clutch is consistent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621068766.4U CN206067463U (en) | 2016-09-21 | 2016-09-21 | The power assembly device of pure electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621068766.4U CN206067463U (en) | 2016-09-21 | 2016-09-21 | The power assembly device of pure electric automobile |
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| Publication Number | Publication Date |
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| CN206067463U true CN206067463U (en) | 2017-04-05 |
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ID=58439319
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621068766.4U Withdrawn - After Issue CN206067463U (en) | 2016-09-21 | 2016-09-21 | The power assembly device of pure electric automobile |
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| CN (1) | CN206067463U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106218386A (en) * | 2016-09-21 | 2016-12-14 | 上海瑞昱荣科新能源汽车有限公司 | The power assembly device of pure electric automobile |
-
2016
- 2016-09-21 CN CN201621068766.4U patent/CN206067463U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106218386A (en) * | 2016-09-21 | 2016-12-14 | 上海瑞昱荣科新能源汽车有限公司 | The power assembly device of pure electric automobile |
| CN106218386B (en) * | 2016-09-21 | 2019-02-19 | 上海瑞昱汽车有限公司 | The power assembly device of pure electric automobile |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180509 Address after: 200940 A 101, Hua Zi Pentium building, 2816 Yixian Road, Baoshan District, Shanghai. Patentee after: Shanghai Ruiyu Automobile Co. Ltd. Address before: 200940 room 2101, block D, 21 floor, 1211 Mudanjiang Road, Baoshan District, Shanghai. Patentee before: Shanghai Ruiye Rongke New Energy Automobile Company Limited |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170405 Effective date of abandoning: 20190219 |