CN110065399A - A kind of integrated form pure electric vehicle dynamical system and its control method - Google Patents
A kind of integrated form pure electric vehicle dynamical system and its control method Download PDFInfo
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- CN110065399A CN110065399A CN201910311162.XA CN201910311162A CN110065399A CN 110065399 A CN110065399 A CN 110065399A CN 201910311162 A CN201910311162 A CN 201910311162A CN 110065399 A CN110065399 A CN 110065399A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
- B60L50/52—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells characterised by DC-motors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
- B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2220/00—Electrical machine types; Structures or applications thereof
- B60L2220/40—Electrical machine applications
- B60L2220/42—Electrical machine applications with use of more than one motor
-
- 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
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- 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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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The present invention relates to electric vehicle engineering fields, more particularly, to a kind of integrated form pure electric vehicle dynamical system and its control method, the pure electric vehicle dynamical system includes power battery pack and BMS system, the pure electric vehicle dynamical system further includes having high pressure integrated manipulator and drive system, the high pressure integrated manipulator includes full-vehicle control unit, DC-DC control unit, charger control unit and power distribution unit, the full-vehicle control unit, DC-DC control unit, at least two in charger control unit and power distribution unit are integrated on one piece of control panel, the drive system includes front-wheel drive system and rear wheel drive system, the present invention, high pressure integrated manipulator greatly reduces amount of parts, so that assembly is simple, it occupies little space, high pressure integrated manipulator reduce high-tension connector and The use of harness, reduces development cost；More convenient maintenance and replacement；Integrated difficulty is more appropriate, there is higher versatility.
Description
Technical field
The present invention relates to electric vehicle engineering fields, more particularly, to a kind of integrated form pure electric vehicle dynamical system and its control
Method.
Background technique
With social continuous development and reform, the development of automobile bring energy and environmental pressure are faced, air quality
Continuous worsening, people enhance the protective awareness of non-renewable energy resources, and electric car is seasonable and gives birth to, and will also become auto industry and send out
The trend of exhibition.Pure electric automobile has zero-emission, and low noise, structure are relatively easy, it can be achieved that the advantages such as diversification, the market share
Also increasing year by year.
But pure electric automobile is in the high speed development stage, there are also many urgently improved places, existing pure electric vehicles
Dynamical system is composed of each related components mostly.Most of pure electric vehicle dynamical system by motor, electric machine controller, subtract
These self-existent control unit compositions of fast device, DC-DC, charger, PDU, entire car controller, each have their own control, respectively
Need to carry out control coordination between component by bus communication, components assemble complexity, weight penalty, harness and connector more
More, occupied space is big, and each components will carry out hardware and functional test respectively, causes cost high.
With the development of pure electric vehicle technology, the integrated trend of pure electric vehicle dynamical system is gradually taken seriously, and many companies are
Through starting the pure electric vehicle dynamical system integrated or highly integrated using part, but integrated level and integration mode are had nothing in common with each other.Such as
What realizes that appropriateness is integrated, and reduce development cost can guarantee the reliability of whole system, maintenance convenience again, while be unlikely to make again
Excessively high at integrated difficulty is current main problem.
Existing vehicle is the mode of single driving or 4 wheel driven mostly, is in single driving mode, power utilization rate mostly
It is lower, so that vehicle, when turning, it is curved to turn very big one, in the lesser place limitation movable vehicle in space, give people
Bring many inconvenience.
Summary of the invention
The purpose of the present invention is to provide a kind of integrated form pure electric vehicle dynamical system and its control methods, to solve existing skill
The excessively integrated technical problem of pure electric vehicle dynamical system in art.
A kind of integrated form pure electric vehicle dynamical system, the pure electric vehicle dynamical system include power battery pack, for dynamic
The BMS system that power battery pack is managed, the pure electric vehicle dynamical system further include have high pressure integrated manipulator and with high pressure collection
At the drive system that controller is electrically connected, the high pressure integrated manipulator includes full-vehicle control unit, DC-DC control list
Member, charger control unit and power distribution unit, the full-vehicle control unit, DC-DC control unit, charger control unit
It is integrated on one piece of control panel at least two in power distribution unit, the DC-DC control unit, charger control unit
It is connect with full-vehicle control unit communications with power distribution unit, the drive system includes that front-wheel drive system and rear-wheel drive
Dynamic system, front-wheel drive system and rear wheel drive system are electrically connected with high pressure integrated manipulator.
Preferably, the DC-DC control unit is connect with power adaptation unit communications, and the charger control unit passes through
Charger and power battery pack are electrically connected, and the power distribution unit and power battery pack are electrically connected.
Preferably, the full-vehicle control unit, DC-DC control unit, charger control unit and power distribution unit collection
On Cheng Yi block control panel.
Preferably, in the full-vehicle control unit, DC-DC control unit, charger control unit and power distribution unit
Three be integrated on one piece of control panel.
Preferably, the front-wheel drive system includes the first gearbox, precursor motor and first motor controller, described
First gearbox and precursor motor transmission cooperate, and precursor motor and first motor controller are electrically connected, the precursor motor
Output power drives vehicle front-wheel by differential mechanism.
Preferably, the rear wheel drive system includes that there are two the rear wheel drive component of independent symmetrical distribution, the rear-wheels
Driving assembly includes the second gearbox, rear-guard motor and the second electric machine controller, and second gearbox and precursor motor pass
Dynamic cooperation, precursor motor and the second electric machine controller are electrically connected, and the output power of the rear-guard motor is driven also by differential mechanism
Motor vehicle rear wheel.
Preferably, the precursor motor and all rear-guard motors pass through inverter respectively and power battery pack is electrically connected.
A kind of control method of integrated form pure electric vehicle dynamical system, it is characterised in that: include following steps:
Forerunner's drive mode: high pressure integrated manipulator outputs signal to first motor controller, first motor controller control
Precursor motor rotation processed, while differential mechanism and the rotation of the first gearbox, so that all front-drives, so that before vehicle starts
Row；
Double rear-guard drive modes: high pressure integrated manipulator outputs signal to the second electric machine controller, the second electric machine controller
All rear-guard motor rotations, while differential mechanism and the rotation of the second gearbox are controlled, so that all rear wheels, so that vehicle
Start to move ahead；
Drive turn mode in single front and back: high pressure integrated manipulator output signal to first motor controller and one of them second
Electric machine controller, precursor motor and the rotation of one of rear-guard motor, corresponding differential mechanism, the first gearbox and one of them the
Two gearboxes rotation, so that all front-wheels and one of rear wheel, provide power for vehicle turning；
Three drive drive mode: high pressure integrated manipulator outputs signal to first motor controller and all second motor controls
Device, first motor controller and the rotation of all rear-guard motors, all differential mechanisms, the first gearbox and all second gearboxes turn
It is dynamic, so that all front-wheels and all rear wheels, so that vehicle high-ball.
Compared with prior art, the beneficial effects of the present invention are:
First, of the invention, high pressure integrated manipulator greatly reduces amount of parts, so that assembly is simple, it is empty to occupy
Between it is small, light-weight；
Second, of the invention, high pressure integrated manipulator reduces the use of high-tension connector and harness, reduce exploitation at
This；
Third, technical solution of the present invention reliability is higher, while more convenient maintenance and replacement；
Fourth, of the invention, integrated difficulty is more appropriate, there is higher versatility, is carrying out components hardware and function survey
It is also more convenient when examination；
Fifth, of the invention, drive system has multiple drive modes, can reduce space required for vehicle turning, mention
High movable vehicle efficiency is brought conveniently.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the structural schematic diagram of the traditional pure electric vehicle dynamical system of the present invention；
Fig. 3 is the structural schematic diagram of the traditional drive system of the present invention；
Fig. 4 is the schematic perspective view of the highly integrated pure electric vehicle dynamical system of the present invention；
Appended drawing reference: power battery pack 1, BMS system 11, high pressure integrated manipulator 2, full-vehicle control unit 21, DC-DC control
Unit 22 processed, charger control unit 23, power distribution unit 24, the first gearbox 31, precursor motor 32, first motor control
Device 33, the second gearbox 41, rear-guard motor 42, the second electric machine controller 43, front-wheel 44, rear-wheel 45, inverter 6, All-in-One control
Device 7 processed.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.
The component for the embodiment of the present invention for usually describing and showing in attached drawing here can be with a variety of different configurations
To arrange and design.Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below and is wanted
The scope of the present invention of protection is sought, but is merely representative of selected embodiment of the invention.
Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, " the first integrated form is pure for term
Power-driven power system and its control method ", " second ", " third " are used for description purposes only, and are not understood to indicate or imply
Relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection or a kind of integrated form is pure
Connect to power-driven power system and its controlling party body of laws；It can be mechanical connection, be also possible to be electrically connected；It can be direct phase
Even, the connection inside two elements can also be can be indirectly connected through an intermediary.For the ordinary skill people of this field
For member, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
Embodiment one:
In conjunction with shown in Fig. 1 to Fig. 4, the embodiment of the present invention one provides a kind of integrated form pure electric vehicle dynamical system, described pure
Power-driven power system includes power battery pack 1, the BMS system 11 for being managed to power battery pack 1, the pure electric vehicle
Dynamical system further includes the drive system for having high pressure integrated manipulator 2 and being electrically connected with high pressure integrated manipulator 2, the high pressure
Integrated manipulator 2 includes full-vehicle control unit 21, DC-DC control unit 22, charger control unit 23 and power distribution list
Member 24, in the full-vehicle control unit 21, DC-DC control unit 22, charger control unit 23 and power distribution unit 24
At least two are integrated on one piece of control panel, the DC-DC control unit 22, charger control unit 23 and power distribution unit
24 with 21 communication connection of full-vehicle control unit, and the drive system includes 44 drive system of front-wheel and the driving of rear-wheel 45 system
System, 44 drive system of front-wheel and 45 drive system of rear-wheel are electrically connected with high pressure integrated manipulator 2, full-vehicle control unit 21,
Several in DC-DC control unit 22, charger control unit 23 and power distribution unit 24 plus it is integrated on a single die, subtract
The use for having lacked high-tension connector and harness, when driver's steering wheel rotation makes wheel steering, before capable of being controlled by controller
Multiple drive modes of 45 drive system of 44 drive systems and rear-wheel, the mode of a variety of driving force travelings are taken turns, while front-wheel 44 drives
Dynamic system and the cooperation of 45 drive system of rear-wheel realize that vehicle is rotated around itself one of rear-wheel 45, and the power battery pack 1 is
The energy storage device of pure electric vehicle dynamical system is managed control by BMS system 11.
The DC-DC control unit 22 is connect with power adaptation unit communications, and the charger control unit 23 is by filling
Motor and power battery pack 1 are electrically connected, and the power distribution unit 24 is electrically connected with power battery pack 1, full-vehicle control list
Member 21 can coordinate the dynamic of vehicle by DC-DC control unit 22, charger control unit 23 and power distribution unit 24
Power distribution, the full-vehicle control unit 21, DC-DC control unit 22, charger control unit 23 and power distribution unit 24
Structure is the prior art, and and will not be described here in detail, the high pressure integrated manipulator 2 respectively with BMS system 11, all first motors
Controller 33, the second electric machine controller 43 are connected, by the charge and discharge for assigning instruction control power battery pack 1 to BMS system 11
Electricity, by assigning instruction to first motor controller 33,43 phase of the second electric machine controller, before controlling entire dynamical system progress
Into, reversing, Brake energy recovery etc., as the core controller of entire pure electric vehicle dynamical system, in high pressure integrated manipulator 2
Control unit of the full-vehicle control unit 21 as driving judges the advance of vehicle by receiving the pedal signals such as throttle, braking, falls
Vehicle etc. is intended to, and carries out decision judgement, by instruction issuing to electric machine controller；DC-DC in high pressure integrated manipulator 2 controls single
Member 22 is for mending the control of electricity to vehicle low pressure battery；Charger control unit 23 in high pressure integrated manipulator 2 is for whole
Vehicle fast charge, trickle charge control, for matching charge protocol, connection charging, Current Voltage acquisition, fault alarm etc.；High pressure is integrated
PDU unit in controller 2 includes low-pressure control module, high voltage connector, fuse, non-conventional copper bar etc., is entire dynamical system
The distribution system of system connects each high-pressure modular.
The full-vehicle control unit 21, DC-DC control unit 22, charger control unit 23 and power distribution unit 24 collect
On Cheng Yi block control panel, when full-vehicle control unit 21, DC-DC control unit 22, charger control unit 23 and power distribution
The integrated level of the integrated mode on a single die of unit 24 is best integration mode, and high pressure integrated manipulator 2 is guaranteeing to repair
Under conditions of greatly reduce amount of parts, high pressure integrated manipulator 2 reduces the use of high-tension connector and harness.
The BMS system 11 is used for the management of power battery pack 1, controls the charge and discharge of power battery pack 1, detects power
Battery status, malfunction inside battery pack 1 carry out heat management and Balance route to power battery pack 1, with the integrated control of high pressure
Device 2 processed carries out information exchange
44 drive system of front-wheel includes the first gearbox 31, precursor motor 32 and first motor controller 33, institute
It states the first gearbox 31 to cooperate with the transmission of precursor motor 32, precursor motor 32 and first motor controller 33 are electrically connected, described
The output power of precursor motor 32 drives vehicle front-wheel 44 by differential mechanism, and high pressure integrated manipulator 2 outputs signal to the first electricity
Machine controller 33, first motor controller 33 control precursor motor 32 and rotate, while differential mechanism and the rotation of the first gearbox 31, from
And all front-wheels 44 are rotated, so that vehicle starts to move ahead.
45 drive system of rear-wheel includes there are two 45 driving assembly of rear-wheel of independent symmetrical distribution, and the rear-wheel 45 drives
Dynamic component includes the second gearbox 41, rear-guard motor 42 and the second electric machine controller 43, second gearbox 41 and forerunner
The transmission cooperation of motor 32, precursor motor 32 and the second electric machine controller 43 are electrically connected, the output power of the rear-guard motor 42
Vehicle rear wheel 45 is driven also by differential mechanism, high pressure integrated manipulator 2 outputs signal to the second electric machine controller 43, the second motor
Controller 43 controls all rear-guard motors 42 and rotates, while differential mechanism and the rotation of the second gearbox 41, so that all rear-wheels
45 rotations, so that vehicle starts to move ahead.
First gearbox 31 and the second gearbox 41 be in pure electric vehicle dynamical system for respectively to first motor and
Second motor carries out the mechanical device of deceleration torque increase.
The generally only preceding drive system of traditional drive system, living load is larger, cannot maximumlly utilize motor characteristic,
Electric efficiency is lower.
The precursor motor 32 and all rear-guard motors 42 are electrically connected by inverter 6 and power battery pack 1 respectively, inverse
Becoming device 6 is that the direct current energy of power battery pack 1 is transformed into alternating current, is used for precursor motor 32 and all rear-guard motors 42.
Existing highly integrated All-in-One controller 7, as shown in figure 4, structure is too concentrated, it is difficult to it repairs, it is whole
Drive module is entirely integrated into an All-in-One controller 7, and integrated level is higher, but since motor is in the running vibration of vehicle
It can be transmitted to completely on entire All-in-One controller 7, cause high-tension connector to be easy failure, reduce life of product, while whole
A 7 development difficulty of All-in-One controller is big, maintenance not easy to disassemble, and in addition this highly integrated All-in-One controller 7 can only be used
In forerunner's vehicle, versatility is not high.It does not include electric machine controller, motor, change in high pressure integrated manipulator 2 in this patent scheme
Fast case ensure that reliability, the ease for maintenance of entire pure electric vehicle dynamical system while suitably integrating reduces cost well
And versatility.
Embodiment two:
In conjunction with shown in Fig. 1 to Fig. 4, the embodiment of the present invention one provides a kind of integrated form pure electric vehicle dynamical system, described pure
Power-driven power system includes power battery pack 1, the BMS system 11 for being managed to power battery pack 1, the pure electric vehicle
Dynamical system further includes the drive system for having high pressure integrated manipulator 2 and being electrically connected with high pressure integrated manipulator 2, the high pressure
Integrated manipulator 2 includes full-vehicle control unit 21, DC-DC control unit 22, charger control unit 23 and power distribution list
Member 24, in the full-vehicle control unit 21, DC-DC control unit 22, charger control unit 23 and power distribution unit 24
At least two are integrated on one piece of control panel, the DC-DC control unit 22, charger control unit 23 and power distribution unit
24 with 21 communication connection of full-vehicle control unit, and the drive system includes 44 drive system of front-wheel and the driving of rear-wheel 45 system
System, 44 drive system of front-wheel and 45 drive system of rear-wheel are electrically connected with high pressure integrated manipulator 2, full-vehicle control unit 21,
Several in DC-DC control unit 22, charger control unit 23 and power distribution unit 24 plus it is integrated on a single die, subtract
The use for having lacked high-tension connector and harness, when driver's steering wheel rotation makes wheel steering, before capable of being controlled by controller
Multiple drive modes of 45 drive system of 44 drive systems and rear-wheel, the mode of a variety of driving force travelings are taken turns, while front-wheel 44 drives
Dynamic system and the cooperation of 45 drive system of rear-wheel realize that vehicle is rotated around itself one of rear-wheel 45, and the power battery pack 1 is
The energy storage device of pure electric vehicle dynamical system is managed control by BMS system 11.
The DC-DC control unit 22 is connect with power adaptation unit communications, and the charger control unit 23 is by filling
Motor and power battery pack 1 are electrically connected, and the power distribution unit 24 is electrically connected with power battery pack 1, full-vehicle control list
Member 21 can coordinate the dynamic of vehicle by DC-DC control unit 22, charger control unit 23 and power distribution unit 24
Power distribution, the full-vehicle control unit 21, DC-DC control unit 22, charger control unit 23 and power distribution unit 24
Structure is the prior art, and and will not be described here in detail, the high pressure integrated manipulator 2 respectively with BMS system 11, all first motors
Controller 33, the second electric machine controller 43 are connected, by the charge and discharge for assigning instruction control power battery pack 1 to BMS system 11
Electricity, by assigning instruction to first motor controller 33,43 phase of the second electric machine controller, before controlling entire dynamical system progress
Into, reversing, Brake energy recovery etc., as the core controller of entire pure electric vehicle dynamical system, in high pressure integrated manipulator 2
Control unit of the full-vehicle control unit 21 as driving judges the advance of vehicle by receiving the pedal signals such as throttle, braking, falls
Vehicle etc. is intended to, and carries out decision judgement, by instruction issuing to electric machine controller；DC-DC in high pressure integrated manipulator 2 controls single
Member 22 is for mending the control of electricity to vehicle low pressure battery；Charger control unit 23 in high pressure integrated manipulator 2 is for whole
Vehicle fast charge, trickle charge control, for matching charge protocol, connection charging, Current Voltage acquisition, fault alarm etc.；High pressure is integrated
PDU unit in controller 2 includes low-pressure control module, high voltage connector, fuse, non-conventional copper bar etc., is entire dynamical system
The distribution system of system connects each high-pressure modular.
In the full-vehicle control unit 21, DC-DC control unit 22, charger control unit 23 and power distribution unit 24
Three be integrated on one piece of control panel, high pressure integrated manipulator 2 reduces amount of parts under conditions of guaranteeing maintenance, high
Pressure integrated manipulator 2 reduces the use of high-tension connector and harness.
The BMS system 11 is used for the management of power battery pack 1, controls the charge and discharge of power battery pack 1, detects power
Battery status, malfunction inside battery pack 1 carry out heat management and Balance route to power battery pack 1, with the integrated control of high pressure
Device 2 processed carries out information exchange.
44 drive system of front-wheel includes the first gearbox 31, precursor motor 32 and first motor controller 33, institute
It states the first gearbox 31 to cooperate with the transmission of precursor motor 32, precursor motor 32 and first motor controller 33 are electrically connected, described
The output power of precursor motor 32 drives vehicle front-wheel 44 by differential mechanism, and high pressure integrated manipulator 2 outputs signal to the first electricity
Machine controller 33, first motor controller 33 control precursor motor 32 and rotate, while differential mechanism and the rotation of the first gearbox 31, from
And all front-wheels 44 are rotated, so that vehicle starts to move ahead.
45 drive system of rear-wheel includes there are two 45 driving assembly of rear-wheel of independent symmetrical distribution, and the rear-wheel 45 drives
Dynamic component includes the second gearbox 41, rear-guard motor 42 and the second electric machine controller 43, second gearbox 41 and forerunner
The transmission cooperation of motor 32, precursor motor 32 and the second electric machine controller 43 are electrically connected, the output power of the rear-guard motor 42
Vehicle rear wheel 45 is driven also by differential mechanism, high pressure integrated manipulator 2 outputs signal to the second electric machine controller 43, the second motor
Controller 43 controls all rear-guard motors 42 and rotates, while differential mechanism and the rotation of the second gearbox 41, so that all rear-wheels
45 rotations, so that vehicle starts to move ahead.
First gearbox 31 and the second gearbox 41 be in pure electric vehicle dynamical system for respectively to first motor and
Second motor carries out the mechanical device of deceleration torque increase.
The generally only preceding drive system of traditional drive system, living load is larger, cannot maximumlly utilize motor characteristic,
Electric efficiency is lower.
The precursor motor 32 and all rear-guard motors 42 are electrically connected by inverter 6 and power battery pack 1 respectively, inverse
Becoming device 6 is that the direct current energy of power battery pack 1 is transformed into alternating current, is used for precursor motor 32 and all rear-guard motors 42.
Existing highly integrated All-in-One controller 7, as shown in figure 4, structure is too concentrated, it is difficult to it repairs, it is whole
Drive module is entirely integrated into an All-in-One controller 7, and integrated level is higher, but since motor is in the running vibration of vehicle
It can be transmitted to completely on entire All-in-One controller 7, cause high-tension connector to be easy failure, reduce life of product, while whole
A 7 development difficulty of All-in-One controller is big, maintenance not easy to disassemble, and in addition this highly integrated All-in-One controller 7 can only be used
In forerunner's vehicle, versatility is not high.It does not include electric machine controller, motor, change in high pressure integrated manipulator 2 in this patent scheme
Fast case ensure that reliability, the ease for maintenance of entire pure electric vehicle dynamical system while suitably integrating reduces cost well
And versatility.
Embodiment three:
A kind of control method of integrated form pure electric vehicle dynamical system, it is characterised in that: include following steps:
Forerunner's drive mode: high pressure integrated manipulator 2 outputs signal to first motor controller 33, first motor controller
33 control precursor motors 32 rotate, while differential mechanism and the rotation of the first gearbox 31, so that all front-wheels 44 rotate, so that
Vehicle starts to move ahead；
Double rear-guard drive modes: high pressure integrated manipulator 2 outputs signal to the second electric machine controller 43, the second motor control
Device 43 controls all rear-guard motors 42 and rotates, while differential mechanism and the rotation of the second gearbox 41, so that 45 turns of all rear-wheels
It is dynamic, so that vehicle starts to move ahead；
Drive turn mode in single front and back: high pressure integrated manipulator 2 outputs signal to first motor controller 33 and one of them
Second electric machine controller 43, precursor motor 32 and the rotation of one of rear-guard motor 42, corresponding differential mechanism, the first gearbox 31
It is rotated with one of them the second gearbox 41, so that all front-wheels 44 and one of rear-wheel 45 rotate, it is vehicle turning
Power is provided；
Three drive drive mode: high pressure integrated manipulator 2 outputs signal to first motor controller 33 and all second motors
Controller 43, first motor controller 33 and the rotation of all rear-guard motors 42, all differential mechanisms, the first gearbox 31 and all the
Two gearboxes 41 rotation, so that all front-wheels 44 and all rear-wheels 45 rotate, so that vehicle high-ball.
The dynamic contrast of Automobile drive mode: forerunner's drive mode <bis- rear-guards drive mode < tri- drive drive mode, Dan Qian
Rear-guard turn mode, when needing to turn round, one of rear-wheel 45 is motionless, driver's rotation direction disk startup vehicle, front-wheel
44 rotate with another rear-wheel 45 around motionless rear-wheel 45, when capable of accomplishing to turn round, reduce occupied space.
The integrated level of embodiment one is more preferable than the integrated level of embodiment two, there is higher versatility, occupies less space,
The integrated level of embodiment two is lower than the integrated level of embodiment one, it is lower to integrate difficulty, it is easier to safeguard.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (8)
1. a kind of integrated form pure electric vehicle dynamical system, the pure electric vehicle dynamical system includes power battery pack (1), for dynamic
The BMS system (11) that power battery pack (1) is managed, it is characterised in that: the pure electric vehicle dynamical system further includes having high pressure collection
At controller (2) and the drive system being electrically connected with high pressure integrated manipulator (2), the high pressure integrated manipulator (2) includes
There are full-vehicle control unit (21), DC-DC control unit (22), charger control unit (23) and power distribution unit (24), institute
It states in full-vehicle control unit (21), DC-DC control unit (22), charger control unit (23) and power distribution unit (24)
At least two are integrated on one piece of control panel, the DC-DC control unit (22), charger control unit (23) and power distribution
For unit (24) with full-vehicle control unit (21) communication connection, the drive system includes front-wheel (44) drive system and rear-wheel
(45) drive system, front-wheel (44) drive system and rear-wheel (45) drive system are electrically connected with high pressure integrated manipulator (2).
2. a kind of integrated form pure electric vehicle dynamical system according to claim 1, it is characterised in that: the DC-DC control is single
First (22) are connect with power adaptation unit communications, and the charger control unit (23) passes through charger and power battery pack (1)
It is electrically connected, the power distribution unit (24) and power battery pack (1) are electrically connected.
3. a kind of integrated form pure electric vehicle dynamical system according to claim 2, it is characterised in that: the full-vehicle control unit
(21), DC-DC control unit (22), charger control unit (23) and power distribution unit (24) are integrated in one piece of control panel
On.
4. a kind of integrated form pure electric vehicle dynamical system according to claim 2, it is characterised in that: the full-vehicle control unit
(21), three in DC-DC control unit (22), charger control unit (23) and power distribution unit (24) are integrated in one piece
On control panel.
5. a kind of integrated form pure electric vehicle dynamical system according to claim 1, it is characterised in that: front-wheel (44) driving
System includes the first gearbox (31), precursor motor (32) and first motor controller (33), first gearbox (31)
It is driven and cooperates with precursor motor (32), precursor motor (32) and first motor controller (33) are electrically connected, the precursor motor
(32) output power drives vehicle front-wheel (44) by differential mechanism.
6. a kind of integrated form pure electric vehicle dynamical system according to claim 5, it is characterised in that: rear-wheel (45) driving
System includes there are two rear-wheel (45) driving assembly of independent symmetrical distribution, and rear-wheel (45) driving assembly includes the second change
Fast case (41), rear-guard motor (42) and the second electric machine controller (43), second gearbox (41) and precursor motor (32) pass
Dynamic cooperation, precursor motor (32) and the second electric machine controller (43) are electrically connected, the output power of the rear-guard motor (42)
Vehicle rear wheel (45) are driven by differential mechanism.
7. a kind of integrated form pure electric vehicle dynamical system according to claim 6, it is characterised in that: the precursor motor (32)
It is electrically connected respectively by inverter (6) and power battery pack (1) with all rear-guard motors (42).
8. a kind of control method of integrated form pure electric vehicle dynamical system according to claims 1 to 7, it is characterised in that: packet
Include following steps:
Forerunner's drive mode: high pressure integrated manipulator (2) outputs signal to first motor controller (33), first motor controller
(33) control precursor motor (32) rotation, while differential mechanism and the first gearbox (31) rotation, so that all front-wheels (44)
Rotation, so that vehicle starts to move ahead；
Double rear-guard drive modes: high pressure integrated manipulator (2) outputs signal to the second electric machine controller (43), the second motor control
Device (43) controls all rear-guard motor (42) rotations, while differential mechanism and the second gearbox (41) rotation, so that after all
(45) rotation is taken turns, so that vehicle starts to move ahead；
Drive turn mode in single front and back: high pressure integrated manipulator (2) outputs signal to first motor controller (33) and one of them
Second electric machine controller (43), precursor motor (32) and one of rear-guard motor (42) rotation, corresponding differential mechanism, first become
Fast case (31) and the rotation of one of them second gearbox (41), so that all front-wheels (44) and one of rear-wheel (45) turn
It is dynamic, power is provided for vehicle turning；
Three drive drive mode: high pressure integrated manipulator (2) outputs signal to first motor controller (33) and all second motors
Controller (43), first motor controller (33) and all rear-guard motors (42) rotation, all differential mechanisms, the first gearbox (31)
It is rotated with all second gearboxes (41), so that all front-wheels (44) and all rear-wheels (45) rotation, so that vehicle is at full speed
Traveling.
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