CN105691217B - A kind of integrated charge is with driving vehicle electric system and its control method in one - Google Patents
A kind of integrated charge is with driving vehicle electric system and its control method in one Download PDFInfo
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- CN105691217B CN105691217B CN201410714429.7A CN201410714429A CN105691217B CN 105691217 B CN105691217 B CN 105691217B CN 201410714429 A CN201410714429 A CN 201410714429A CN 105691217 B CN105691217 B CN 105691217B
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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
- B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
- B60L15/20—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
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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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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
A kind of integrated charge is with driving vehicle electric system and its control method in one, the vehicle electric system has been characterized mainly in that high-voltage interlocking device, high-voltage interlocking device includes charging and covered, latch gear and detection switch, outside 3 cross streams are inputted by an input connector, housing is electrically charged outside described input connector to live in order to avoid exposing the HV Terminal on input connector, latch gear is used to pin charging lid when charging lid is closed, detection switch is used to detect being turned on or off state and passing the signal to driving/charging switch controller for charging lid；The control method is mainly characterized by：Must meet two conditions into charging procedure, 1) charging lid must be opened first, and the detection switch of detection charging lid state passes the signal to driving/charging switch controller；2) plug of charging station must patch with input connector, and by outputting signals to driving/charging switch controller close to terminal, its structure is simpler, compact, and by setting high-voltage interlocking device to realize the safe and reliable and quick charging of electric automobile.
Description
Technical field：
The present invention relates to a kind of integrated charge and drive the vehicle electric system and its control method in one.
Background technology：
It is serious the problem of oil shortage with China's expanding economy, while China turns into automobile city the biggest in the world
, energy supply of the automobile to China proposes stern challenge, carbon monoxide, hydrocarbon and the nitrogen oxidation of motor vehicle emission
Compound etc. also result in larger pollution to urban environment, and therefore, Development of EV has far-reaching to the energy security in China
Influence.
Existing inverter used for electric vehicle (INVERTER) is driven motor, the HVDC exported using high-tension battery
Electricity is converted into 3 cross streams by inverter and is output to motor, when high-tension battery electricity is relatively low, it is necessary to be filled to high-tension battery
Electricity, it otherwise can not drive automobile.The existing mode to be charged to high-tension battery mainly includes the following two kinds：
First way, 3 phase power supplies change high voltage direct current into by independent charger and high-tension battery are filled
Electricity, thus significantly increases independent charger, causes product structure complicated, the running of high expensive, in addition this charger
Principle is the combination of concept, the i.e. staggered DC/DC of rectifier+three based on rectification (Rectifier), and charge efficiency is relatively low,
The requirement rapidly and efficiently charged can not be met.
The second way, rectifier (Rectifier) is formed using the part component of inverter (INVERTER), it is additional
Inductor is charged using single phase alternating current power supply to high-tension battery.When charging, it is necessary first to cut off inversion by switching K1
Connection between device and motor three-phase windings, single phase power supply power supply are connected with inverter by inductor L and turned by rectifier
High voltage direct current is changed into charge to high-tension battery, this structure is shown in United States Patent (USP) US8441229 (B2), this mode, he
Topological structure be traditional charger concept, i.e. the staggered DC/DC of rectifier+three；Need additionally to increase inductor
L, volume is big, and cost is high, and charge efficiency is low, because being changed using two stage power, that is, exchanges AC- direct currents DC- exchange AC, needs
A brand-new battery charger controller is wanted to include AC/DC and DC/DC, control is complex.
In view of this, applicant develops a kind of topological structure integrated with driving that charge, as shown in figure 1, i.e. by high pressure
Battery is connected with inverter, and inverter is connected with the first end of some phase coil windings, the second end point of some phase coil windings
The input connector and short-circuit connection unit, inverter for not connecting 3 cross streams electricity can use as charger；Electric automobile is in
Driving condition, short-circuit connection unit connect the second connection end short circuit of some phase coil windings, high-tension battery output
High voltage direct current is converted into alternating current by the control of inverter positive operation and is output to motor, and electronic vapour is drawn in motor operating
Car；Electric automobile is in charged state, and the second connection end and the input connector of 3 cross streams electricity of some phase coil windings connect
Connect, it is logical by the use of inverter as charger, outside 3 cross streams electricity by the use of some phase coil windings of motor as charging inductance
Some the phase coil windings and inverter for crossing motor are converted into direct current high-tension battery are charged.But above-mentioned topological structure
Also imperfection, it is primarily present following shortcoming：
1) do not interlocked between the input connector of short-circuit connection unit and 3 cross streams electricity, once the outside 3 cross streams electricity of input
And short-circuit connection unit is in the conduction state, easily causes short circuit to burn out, potential safety hazard be present；
2) when entering charged state or driving condition, if do not interlocked, potential safety hazard is also resulted in.
3) input connector of 3 cross streams electricity and some phase coil windings, inverter, the high-tension battery of traction electric machine are in
Series connection, once other people surprisingly touch the HV Terminal of the input connector of 3 cross streams electricity, electric shock accidents can be produced, because
There is also potential safety hazard for this.
The content of the invention：
It is an object of the present invention to provide a kind of integrated charge and drive in the vehicle electric system of one, structure is more
Simply, it is compact, and by setting high-voltage interlocking device to realize the safe and reliable and quick charging of electric automobile.
It is a further object to provide a kind of integrated charge and drive in the control of the vehicle electric system of one
Method, by first detecting charging lid state, then detecting the plug of charging station again, whether input connector patches, and realizes mutual
Lock, realize that simple, cost is lower, charging operations are more safe and reliable.
The vehicle electric system of the present invention is achieved by following technical proposals：
A kind of integrated charge and drive in the vehicle electric system of one, including high-tension battery, inverter and traction electric machine,
Described motor includes stator module, rotor assembly and driving/charging switch controller, contains some phase lines inside stator module
Winding is enclosed, driving/charging switch controller is used to control electric automobile to enter driving condition or charged state, wherein：It is electronic
Automobile is in driving condition, and the high voltage direct current of high-tension battery output is converted into alternating current by inverter control and is output to traction
Motor, motor operating traction electric automobile；Electric automobile is in charged state, is made using some phase coil windings of motor
For charging inductance, by the use of inverter as charger, outside 3 cross streams electricity pass sequentially through some phase coil windings of motor and inverse
Change device is converted into direct current and high-tension battery is charged；It is characterized in that：It also includes high-voltage interlocking device, high-voltage interlocking dress
Put including charging lid, latch gear and detection switch, outside 3 cross streams are inputted by an input connector, described
It is electrically charged housing outside input connector to live in order to avoid exposing the HV Terminal on input connector, latch gear is used to fill
Electricity lid pins charging lid when closing, in order to avoid charging lid is opened accidentally, detection switch is used to detect being turned on or off for charging lid
State simultaneously passes the signal to driving/charging switch controller.
The input connector of 3 cross streams electricity described above includes socket and the 3 phases height inside socket
Pressure side, ground terminal, control communication terminal and close to terminal, when the plug of charging station is inserted into input connector, close to end
Son inside the plug of charging station with during corresponding termination contact, outputting signals to driving/charging switch controller close to terminal, connecing
Near-end is physics short-circuited terminal, is only all patched in other all terminals, close to the last just short circuit of terminal, to ensure to fill
The plug in power station has connected with input connector, can enter charged state.
By first group of switch k1 connection between high-tension battery and inverter described above, the of the coil windings of motor
One end is connected with inverter, the second end connection input connector of the coil windings of motor, the second end of the coil windings of motor
Also pass through second group of switch k2 connection short unit.
First group of switch k1 described above is controlled by battery management system BMS, and second group of switch k2 be driven/and charging cuts
Changer controller controls, and battery management system BMS, inverter and driving/charging switch controller are connected with each other communication.
It is described above when electric automobile is in driving condition, first group of switch k1 closure, the outside of input connector is filled
Electric lid closing covers HV Terminal and pinned by latch gear, makes outside 3 cross streams electricity and the second of the coil windings of motor
End is disconnected, and the first end of the coil windings of motor is connected with inverter, and second group of switch k2 closure makes the second end of coil windings
By the mutual short circuit of short unit, the high voltage direct current of high-tension battery output is converted into 3 cross streams electricity outputs by inverter and arrived
Motor, motor operating.
Described above when electric automobile is in charged state, the first end of the coil windings of motor is connected with inverter, lock
Pin assembly is opened, and the charging lid of the outside of input connector is opened, the signal for the opening that detection switch covers charging
It is sent to driving/charging switch controller, driving/charging switch controller disconnects second group of switch k2, makes the of coil windings
Two ends disconnect mutually not short circuit, while outside 3 cross streams electricity is connected with the second end of the coil windings of motor, when charging station
When plug and input connector have been fully connected, driving/charging switch controller is output signals to close to terminal, first group
Switch k1 just closes connection high-tension battery and inverter, by the use of the coil windings of motor as charging inductor, utilizes inverter
As charger, some phase coil windings and inverter that outside 3 cross streams electricity pass sequentially through motor are converted into direct current to height
Piezoelectric battery is charged.
Charge control button is provided with inside the driver's cabin of electric automobile described above, charge control button passes through a machine
Tool transmission mechanism drives latch gear, and when people manipulate charge control button, charge control button passes through a mechanical transmissioning machine
Structure drives latch gear action, opens charging lid, charge control button is also to driving/charging switch controller output signal.
Be provided with drive control button inside the driver's cabin of electric automobile described above, drive control button to driving/
Charge switch controller output signal.
The vehicle electric system of the present invention had both had the following advantages with prior art：1) electric automobile is in driving condition, high
The high voltage direct current of piezoelectric battery output is converted into alternating current by inverter control and is output to traction electric machine, and electric automobile, which is in, to be filled
Electricity condition, by the use of some phase coil windings of motor as charging inductance, charger, outside 3 cross streams are used as by the use of inverter
Some the phase coil windings and inverter that electricity passes sequentially through motor are converted into direct current high-tension battery are charged, and structure is more
Simply, it is compact, increase high-voltage interlocking device in addition, high-voltage interlocking device includes charging lid, latch gear and detection switch, input
It is electrically charged housing outside connector to live in order to avoid exposing the HV Terminal on input connector, latch gear is used to cover in charging
Pinning charging lid during closing, in order to avoid charging lid is opened accidentally, detection switch is turned on or off state for detection charging lid
And driving/charging switch controller is passed the signal to, the security of product can be so improved, realizes reliable, quick charge；
2) when the plug of charging station is inserted into input connector, close to terminal with inside the plug of charging station during corresponding termination contact,
Driving/charging switch controller is output signals to close to terminal, the plug and input connector for representing charging station have connected,
Charged state can be entered, can further improve the security of product, realize reliable, quick charge；3) high-tension battery with it is inverse
Become between device by first group of switch k1 connection, the second end connection input connector of the coil windings of motor, the coil of motor
Second end of winding also by second group of switch k2 connection short unit, simplifies structure, makes control simpler.
The control method of the vehicle electric system of the present invention is achieved by following technical proposals：
A kind of integrated charge is high in the control method of the vehicle electric system of one, described vehicle electric system with driving
Piezoelectric battery, inverter, traction electric machine, battery management system BMS, driving/charging switch controller, first group of switch k1, second
Group switch k2, short unit, the input connector and high-voltage interlocking device of 3 cross streams electricity, high-tension battery pass through first group of switch
K1 is connected with inverter one end, the first end connection of the coil windings of the other end connection traction electric machine of inverter, traction electric machine
Coil windings the second end connection input connector, the second end of the coil windings of motor also passes through second group of switch k2 connection
Short unit, driving/charging switch controller and inverter and battery management system BMS connection communications, high-voltage interlocking device bag
Charging lid, latch gear and detection switch are included, outside 3 cross streams electricity are inputted by an input connector, and described is defeated
Enter to be electrically charged housing outside connector to live in order to avoid exposing the HV Terminal on input connector, latch gear is used to charge
Pinning charging lid during lid closing, in order to avoid charging lid is opened accidentally, detection switch is turned on or off shape for detection charging lid
State simultaneously passes the signal to driving/charging switch controller, and the input connector of 3 cross streams electricity includes socket and is arranged on
3 phase HV Terminals inside socket, ground terminal, control communication terminal and close to terminal, close to inserting for terminal and charging station
In front corresponding to face during termination contact, driving/charging switch controller is output signals to close to terminal, it is characterised in that：Control
Method is as follows：Must meet two conditions into charging procedure, 1) charging lid must be opened first, the detection of detection charging lid state
Switch passes the signal to driving/charging switch controller；2) plug of charging station must patch with input connector, and by
Driving/charging switch controller is output signals to close to terminal；It must meet a condition into driver：It is exactly charging lid
Necessarily at closed mode, the detection switch of detection charging lid state passes the signal to driving/charging switch controller.
It is described above when electric automobile is in sleep state, first group of switch k1 disconnects, and makes high-tension battery and inverter
Disconnect, can neither charge, can not drive；When electric automobile is switched to charged state by sleep state, detection charging first is covered
Whether open, disconnect first group of switch k1 and second group of switch k2 if opening, the socket for then detecting input connector connects
Whether near-end connects whether grafting is good with input connector to determine the plug of charging station, if grafting is good, closes
First group of switch k1, into charging procedure, when plug and the input connector disengaging of charging station, drive is output signals to close to terminal
Dynamic/charging switch controller, stops charging, first group of switch k1 is disconnected, into sleep state.
When electric automobile described above is switched to driving condition by sleep state, whether detection charging lid closes first, if
Charging lid is closed, then closes second group of switch k2, be closed again first group of switch k1, into driver, driving
During, if charging lid is opened, driving is interrupted, first group of switch k1 and second group of switch k2 is opened, into sleep state.
The input of driving described above/charging switch controller and the charge control button in car steering room
Connection, press charge control button and be prepared to enter into charged state to driving/charging switch controller transmission instruction, at the same time fill
Electrical control buttons drive latch gear to act by a mechanical transmission mechanism, open charging lid, the inspection of detection charging lid state
Slowdown monitoring switch passes the signal to driving/charging switch controller.
The input of driving described above/charging switch controller positioned at drive control button in car steering room with connecting
Connect, press drive control button and be prepared to enter into driving condition to driving/charging switch controller transmission instruction, driving/charging is cut
Changer controller detects whether charging lid is closed again.
The control method of the vehicle electric system of the present invention had both had the following advantages with prior art：It is required into charging procedure
Meet two conditions, 1) charging lid must first open, detection charging lid state detection switch pass the signal to driving/charging
Switch controller；2) plug of charging station must patch with input connector, and driven/filled by being output signals to close to terminal
TURP changer controller；It must meet a condition into driver：It is exactly that charging lid charges necessarily at closed mode, detection
The detection switch of lid state passes the signal to driving/charging switch controller.It preferably realizes interlocking, realizes simple, cost
Lower, charging operations are more safe and reliable.
Brief description of the drawings：
Fig. 1 is the topological structure schematic diagram of electric automobile driving and the integrated control of charging that applicant voluntarily researches and develops；
Fig. 2 is the specific control principle block diagram of the present invention；
Fig. 3 is that one kind of driving of the present invention/charging switch controller simply realizes structural representation；
Fig. 4 is the structure principle chart of the present invention；
Fig. 5 is the schematic diagram of the present invention and charging station connecting interface；
The input connector that Fig. 6 is the present invention installs the structural representation under lid closed mode in activity；
The input connector that Fig. 7 is the present invention installs the structural representation under lid open mode in activity；
Fig. 8 is Fig. 6 front view；
Fig. 9 is Fig. 8 A-A sectional views；
Figure 10 is Fig. 9 B-B partial enlarged drawings；
Figure 11 is that the traction electric machine of the present invention uses the functional-block diagram of 9 phase coil windings；
Figure 12 is the flow chart of the charge control of the present invention；
Figure 13 is the flow chart of the drive control of the present invention.
Embodiment：
Below by specific embodiment and with reference to accompanying drawing, the present invention is described in further detail.
Embodiment one：As shown in Fig. 2 a kind of vehicle electric system, including high-tension battery, inverter and traction electric machine, it is high
First group of switch k1 is installed, described motor is included stator assembly and rotor assembly, stator module between piezoelectric battery and inverter
Some phase coil windings are contained in the inside, wherein：When second group of switch k2 is closed, outside 3 cross streams electricity do not enter into input connection
Device, electric automobile are in driving condition, and it is defeated that the high voltage direct current of high-tension battery output by inverter control is converted into alternating current
Go out to traction electric machine, motor operating traction electric automobile；When second group of switch k2 disconnects, electric automobile is in charging shape
State, by the use of some phase coil windings of motor as charging inductance, by the use of inverter as charger, 3 cross streams electricity A of outside,
B, C passes sequentially through input connector, some the phase coil windings and inverter of motor are converted into direct current and high-tension battery carried out
Charging；It also includes high-voltage interlocking device and driving/charging switch controller, driving/charging switch controller and inversion in addition
Device connection communication, high-voltage interlocking device during driving condition or charged state is entered output interlocking signal to driving/fill
TURP changer controller, inverter enter driving operational mode or charge operation according to the instruction of driving/charging switch controller
Pattern.Described high-voltage interlocking device includes charging lid, latch gear and detection switch, and outside 3 cross streams are defeated by one
Enter connector to input, housing is electrically charged outside described input connector and is lived in order to avoid exposing the high pressure on input connector
Terminal, latch gear is used to pin charging lid when charging lid is closed, in order to avoid charging lid is opened accidentally, detection switch is used to detect
Charging lid is turned on or off state and passes the signal to driving/charging switch controller
As shown in figure 4, high-tension battery is connected with inverter, inverter is connected 101 with the first end of 3 phase coil windings 104,
Second end 102 of some phase coil windings 104 connects the input connector and short-circuit connection unit 103 of 3 cross streams electricity respectively, inverse
Becoming device can use as charger；Electric automobile is in driving condition, and short-circuit connection unit 103 makes the of some phase coil windings
The short circuit of two connection end 102 is connected, and the high voltage direct current of high-tension battery output is converted into by the control of inverter positive operation
Alternating current is output to motor, motor operating traction electric automobile；Second group of switch k2 be arranged on short-circuit connection unit 103 with
Between second end 102 of some phase coil windings 104, at this time, when second group of switch k2 is closed, outside 3 cross streams electricity do not have
Into input connector.Electric automobile is in charged state, and 3 cross streams electricity A, B, C of outside pass sequentially through input connector, some
The second connection end 102 of phase coil winding 104 is connected with the input connector of 3 cross streams electricity, utilizes some phase coils of motor
Winding 104 is used as charging inductance, by the use of inverter as charger, outside 3 cross streams electricity by some phase coils of motor around
Group and inverter are converted into direct current and high-tension battery are charged；Inside the stator module of traction electric machine containing 3N phase coils around
Group, wherein N are integers.
It is the specific implementation schematic diagram of the present invention as shown in Fig. 4, Fig. 3, traction electric machine uses 3 phase coil windings 104,
First group of switch K1 is connected between high-tension battery and inverter in the figure, makes control more perfect, driving/charging switching
Controller includes microprocessor unit, relay drive circuit, current sensor detection unit, and first group of switch K1 is connected respectively
Between high-tension battery and inverter, inverter is connected with the first end 101 of some phase coil windings 104, some phase coils around
Second end 102 of group 104 connects the input connector and short-circuit connection unit 103 of 3 cross streams electricity respectively, and second group of switch k2 is set
Put between short-circuit connection unit and the second end 102 of some phase coil windings 104.First group of switch K1 and second group of switch k2
All it is relay switch, respectively with magnet coil L1 and magnet coil L2；Microprocessor unit passes through relay drive circuit
Magnet coil L2 is controlled, so as to control the second end of short-circuit connection unit and some phase coil windings to connect by second group of switch k2
Connect or disconnect, microprocessor unit is connected with each other with battery management system BMS and inverter and communicated, battery management system BMS
Magnet coil L1 is controlled by relay drive circuit, so as to control first group of switch K1's between high-tension battery and inverter
Connect or disconnect.Driving/charging switch controller also includes charging lid indicator lamp, and microprocessor unit can cover according to charging
On off state shown by charging lid indicator lamp.
The input connector of described 3 cross streams electricity includes socket and the 3 phase high-pressure sides inside socket
Son, ground terminal, control communication terminal and close to terminal, when the plug of charging station is inserted into input connector, close to terminal with
Corresponding to inside the plug of charging station during termination contact, driving/charging switch controller is output signals to close to terminal, close to end
Son is physics short-circuited terminal, is only all patched carefully in other all terminals, close to the last just short circuit of terminal, to ensure to charge
The plug stood has connected with input connector, can enter charged state.
The standard interface of 3 cross streams electricity input connectors of charging station and electric automobile is as shown in figure 5, be a kind of international mark
Quasi- interface, such as the SAE J1772 of IEC 61851, input connector includes A, B, C three-phase high-voltage terminal, 1 ground terminal GND, and 1
It is individual close to terminal COM1,1 charging communication terminal COM2.Driving/charging switch controller is output signals to close to terminal COM1,
If the plug of charging station is good with input connector grafting, just notice can enter charged state, and charging communication terminal COM2 is
The data being used as in charging process between charging station and electric automobile communicate.
When electric automobile is in driving condition, first group of switch k1 closure, the charging lid of the outside of input connector is closed
Cover HV Terminal and pinned by latch gear, disconnect outside 3 cross streams electricity and the second end of the coil windings of motor, electricity
The first end of the coil windings of machine is connected with inverter, and second group of switch k2 closure makes the second end of coil windings pass through short circuit list
The mutual short circuit of member, the high voltage direct current of high-tension battery output are converted into 3 cross streams electricity outputs to motor, driving electricity by inverter
Machine operates.
When electric automobile is in charged state, the first end of the coil windings of motor is connected with inverter, latch gear quilt
Open, the charging lid of the outside of input connector is opened, and the signal of the opening for the lid that charges is sent to drive by detection switch
Dynamic/charging switch controller, driving/charging switch controller disconnect second group of switch k2, make the second end of coil windings mutual
Disconnect not short circuit, while outside 3 cross streams electricity is connected with the second end of the coil windings of motor, when charging station plug with it is defeated
When entering connector and being fully connected, driving/charging switch controller is output signals to close to terminal, first group of switch k1 is
Closure connection high-tension battery and inverter, by the use of the coil windings of motor as charging inductor, charging is used as by the use of inverter
Device, some the phase coil windings and inverter that outside 3 cross streams electricity pass sequentially through motor are converted into direct current and high-tension battery are entered
Row charging.
Charge control button is provided with inside the driver's cabin of electric automobile, charge control button passes through a mechanical transmissioning machine
Structure drives latch gear, and when people manipulate charge control button, charge control button drives lock by a mechanical transmission mechanism
Pin assembly acts, and opens charging lid, charge control button is also to driving/charging switch controller output signal, order-driven/fill
TURP changer controller enters charged state.Drive control button, drive control button are provided with inside the driver's cabin of electric automobile
To driving/charging switch controller output signal, when people manipulate drive control button, drive control button is to driving/charging
Switch controller output signal, order-driven/charging switch controller enter driving condition.
As shown in Fig. 6, Fig. 7, Fig. 8, Fig. 9, Figure 10, outside 3 cross streams electricity are defeated by the input connector of 3 cross streams electricity
Enter, the input connector of 3 described cross streams electricity includes socket 1 and the terminal installed in the inside of cavity 11 of socket 1
4, terminal 4 includes A, B, C three-phase high-voltage terminal, 1 ground terminal GND, and 1 close to terminal COM1,1 charging communication ends
Sub- COM2, charging lid 2 are arranged on the outside of socket 1 by hinge 3, charging lid 2 can be overturn around socket 1 so as to opening or
Close, the movable side protrusion projection 21 of charging lid 2, neck 22 is set on projection 21, and socket 1 is arranged on vehicle body 100
On, vehicle body 100 is provided with latch gear, and latch gear includes lock pin 6, spring 8, mechanical transmission mechanism, when the lid 2 that charges is closed
Lock pin 6 snaps onto in the presence of spring 8 sets the inside of neck 22 on projection 21, prevent charging lid 2 from arbitrarily opening, only when
Charge control button is pressed, charge control button overcomes the resistance of spring 8 to depart from by a mechanical transmission mechanism with pendulum lock pin 6
Neck 22, so as to open charging lid 2, stage clip 7 is set on the side of hinge 3, once lock pin 6 departs from neck 22, stage clip 7 just flicks
Charge lid 2.Detection switch 5 (position switch) is set on the side of lock pin 6, vehicle body 100, and detection switch 5 exports 0 and 1 number
Word signal, 0 digital signal representation charging lid 2 close, digital signal representation charging lid 2 open, detection switch 5 by charge lid 2
Status signal be sent to driving/charging switch controller.In addition, and under non-charged state, charging lid 2 blocks 3 phases height
Pressure side 4, avoiding other people from contacting electric shock causes danger, in the charge state, opens charging lid 2, exposes 3 phase HV Terminals 4,
The first interlocking signals of output of meeting detection trigger switch 5 that open or close of charging lid 2 are sent to driving/charging switch controller.
Charge control button is typically mounted in driver's cabin, and charge control button also passes through mechanical transmission mechanism band pendulum lock pin
6 actions, the unlatching of control charging lid 2, the structure of the latch gear is as the oiling button applied on many automobiles, in car
The enclosing cover that interior pressure or pull-up oiling button could open fuel door is the same, and its structure is substantially similar；Belong to mechanical linkage locking
Mechanism；The triggering latch gear action of charge control button is pressed, charging lid 2 can be opened.The structure of latch gear refers to public affairs
Accuse number as CN200610063402, entitled：Vehicle oil filler cap system-patent document, or be with reference to notification number
It is CN201110432192, entitled：A kind of-the patent document of self-locking oil filler.
As shown in figure 11,9 phase coil windings are contained inside stator module, inverter has 3, every 3 phase coil winding shape
Into a unit winding, the first end of 3 phase coil windings of unit winding connects an inverter, 3 phase coils of unit winding
Second terminal shortcircuit of winding connects, each unit winding that is connected of 3 outside cross streams electricity.
Described inverter includes microprocessor unit, drive circuit unit, IGBT module and detection circuit, detects circuit
Detection motor operating parameter is simultaneously sent to microprocessor unit, and microprocessor unit outputs a control signal to drive circuit unit, drives
Dynamic circuit unit control IGBT module, so as to the normal commutation of the coil windings of controlled motor, when electric automobile is in driving condition,
The rotor for being controlled motor to the electric current of motor by the phase current and rotor-position that detect motor coil winding operates,
When electric automobile is in charged state, by detecting the electric current of motor coil winding, the terminal voltage of outside 3 cross streams electricity makes outside
3 cross streams electricity are converted into direct current and high-tension battery are charged.
As shown in Fig. 4, Fig. 3, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, Figure 10, Figure 12, a kind of integrated charge is with driving in one
Vehicle electric system control method, described vehicle electric system high-tension battery, inverter, traction electric machine, battery management
System BMS, driving/charging switch controller, first group of switch k1, second group of switch k2, short unit, 3 cross streams electricity it is defeated
Enter connector and high-voltage interlocking device, high-tension battery is connected by first group of switch k1 with inverter one end, inverter it is another
The first end connection of the coil windings of end connection traction electric machine, the second end connection input connection of the coil windings of traction electric machine
Device, the second end of the coil windings of motor also by second group of switch k2 connection short unit, driving/charging switch controller with
Inverter and battery management system BMS connection communications, high-voltage interlocking device include charging lid, latch gear and detection switch, outside
The cross streams electricity of portion 3 is inputted by an input connector, be electrically charged outside described input connector housing live in order to avoid
The HV Terminal on input connector is exposed, latch gear is used to pin charging lid when charging lid is closed, in order to avoid charging lid
It is opened accidentally, detection switch is used to detect being turned on or off state and passing the signal to driving/charging switching for charging lid
Controller, the input connector of 3 cross streams electricity include socket and the 3 phase HV Terminals inside socket, are grounded
Terminal, communication terminal is controlled and close to terminal, close to terminal with during corresponding termination contact, approaching end inside the plug of charging station
Son outputs signals to driving/charging switch controller, it is characterised in that：Control method is as follows：It must meet into charging procedure
Two conditions, 1) charging lid must be opened first, and the detection switch of detection charging lid state passes the signal to driving/charging switching
Controller；2) plug of charging station must patch with input connector, and be cut by outputting signals to driving/charging close to terminal
Changer controller；It must meet a condition into driver：It is exactly that charging is covered necessarily at closed mode, detection charging lid
The detection switch of state passes the signal to driving/charging switch controller.
It is above-mentioned that when electric automobile is in sleep state, first group of switch k1 disconnects, and high-tension battery is disconnected with inverter,
It can neither charge, can not drive；When electric automobile is switched to charged state by sleep state, whether detection charging lid is beaten first
Open, disconnect first group of switch k1 and second group of switch k2 if opening, then detect input connector socket close to terminal
Whether connect whether grafting is good with input connector to determine the plug of charging station, if grafting is good, close first group
K1 is switched, into charging procedure, when plug and the input connector disengaging of charging station, is output signals to close to terminal and drives/fill
TURP changer controller, stop charging, first group of switch k1 is disconnected, into sleep state.
As shown in figure 13, when electric automobile described above is switched to driving condition by sleep state, detection charging first
Whether lid closes, if charging lid is closed, closes second group of switch k2, first group of switch k1 is closed again, into drive
Dynamic program, during driving, if charging lid is opened, driving is interrupted, opens first group of switch k1 and second group of switch k2,
Into sleep state.
The input of above-mentioned driving/charging switch controller connects with the charge control button in car steering room
Connect, press charge control button and be prepared to enter into charged state to driving/charging switch controller transmission instruction, at the same time charge
Control button drives latch gear to act by a mechanical transmission mechanism, opens charging lid, the detection of detection charging lid state
Switch passes the signal to driving/charging switch controller.
The input of driving described above/charging switch controller positioned at drive control button in car steering room with connecting
Connect, press drive control button and be prepared to enter into driving condition to driving/charging switch controller transmission instruction, driving/charging is cut
Changer controller detects whether charging lid is closed again.
In normal state, driving or dead ship condition (non-charging), charging lid 2 is to be closed, when anticipating
In the case of outer, charging lid 2 is opened under non-charged state, and the data signal that detection switch 5 provides 1/0 switches to driving/charging
Controller, driving/charging switch controller will stop drive pattern, first group of switch k1 be disconnected, into sleep state；
As shown in figure 12, the specific program into charging is as follows：Step 1) presses charge control button to driving/charging
Switch controller sends charging instruction；Step 2) driving/charging switch controller sends instructions enter into charge control to inverter
Pattern；Step 3) judges whether inverter has been enter into charge control pattern, if the return to step 1 without if), if having been enter into charging
Control model, jump to step 4)；Step 4) disconnects first group of switch k1 and second group of switch K2；Step 5) detection charging lid is opened
If being not turned on, charging lid open instruction lamp is glittering, prompts user to open charging lid, if having already turned on charging lid, enters
Enter step 6)；Step 6) detection has patched close to terminal COM1If no, prompting user patches again；If connect
It is plugged, then closes first group of switch k1, inverter startup charging procedure charges to high-tension battery；Step 7) is when close to terminal COM1
During disconnection, stop charging, disconnect first group of switch k1, into charging resting state.
1st, the latch gear of charge control button connects can prevent people from arbitrarily opening charging lid 2, avoid exposing band
The HV Terminal of electricity is caused danger；
2nd, charge control button is pressed, charging lid 2 is opened, but A, B, C three-phase high-voltage terminal are not charged in terminal 4
, cause the connection close to terminal COM1 to be activated until the charging plug of charging station is inserted into input connector, therefore scene
High-pressure side is not exposed in face of the mankind, avoids Danger Electric shock risk；
3rd, charging lid 2 has a position detecting switch certainly, and position detecting switch is turned on and off state by the lid 2 that charges
Tell driving/charging switch controller；
4th, charging communication terminal COM2 signal is used for coordinating the high-tension battery management system between normal charging process
Acted between BMS, driving/charging switch controller, inverter and charging station control.
If the 5th, in charging process, (such as the charging plug of charging station is unplugged) is disconnected close to terminal COM1, charging
Process will be terminated must be disconnected with first group of switch k1 in the time (such as 100ms) needed for safety, and make HV Terminal
It is not charged.
6th, under normal circumstances, if during charging complete, first group of switch k1 must disconnect automatically.
7th, second group of switch K2 can be in a normally off (for example, second group of switch under being in sleep pattern when system
K2 is closed.The purpose of second group of switch K2 opening is that inductor when alloing machine winding as charging uses).
8.During normal driving mode, second group of switch K2 should be closed, and the three-phase high-voltage terminal to charge in lid 2 will be activated
It is powered, it is the reasons why must setting here it is latch gear and high-voltage interlocking device.If in drive pattern, charging lid 2 is opened
Open (intentionally or accidentally), signal is sent to driving/charging switch controller by the position detecting switch of charging lid 2, and driving/charging is cut
Changer controller terminates drive pattern and opens first group of switch K1, avoids HV Terminal powered.
There should be following order in charging process,
1st, pressing charge control button triggering latch gear makes the opening of charging lid 2；
2nd, the open and-shut mode of the detection of detection switch 5 charging lid 2, detection switch 5 provide 1/0 data signal to driving/fill
TURP changer controller；
3rd, driving/charging switch controller will ask to open first group of switch K1 and require to open second group of switch K2；
Once the 4, charging plug connects, charging communication terminal COM2 signal coordinating high-tension battery management system BMS, drive
Acted between dynamic/charging switch controller, inverter and charging station control.
5th, until the connection that the charging plug of charging station is inserted into input connector and causes to fill close to terminal COM1 is activated,
Driving/charging switch controller notice inverter enters charge mode control charging process.
In charging process, if for any reason, losing signal close to terminal COM1, it means that charging plug breaks
Connection is opened, driving/charging switch controller stops charging and request is disconnected into first group of switch K1.It note that in sleep pattern
In, first group of switch K1 and second group of switch K2's should be in open mode.
Brief summary, each pattern switching and first group of switch k1, second group of switch k2 corresponding states are as shown in the table：
Claims (10)
1. a kind of integrated charge is with driving in the vehicle electric system of one, including high-tension battery, inverter and traction electric machine, institute
The motor stated includes stator module, rotor assembly and driving/charging switch controller, contains some phase coils inside stator module
Winding, driving/charging switch controller are used to control electric automobile to enter driving condition or charged state, wherein：Electronic vapour
Car is in driving condition, and the high voltage direct current of high-tension battery output is converted into alternating current by inverter control and is output to traction electricity
Machine, motor operating traction electric automobile；Electric automobile is in charged state, by the use of motor some phase coil windings as
Charging inductance, some phase coil windings and the inversion of motor are passed sequentially through by the use of inverter as charger, outside 3 cross streams electricity
Device is converted into direct current and high-tension battery is charged；
The input connector of described 3 cross streams electricity includes socket and 3 phase HV Terminals inside socket, connect
Ground terminal, control communication terminal and close to terminal, when the plug of charging station is inserted into input connector, close to terminal and charging station
Plug inside corresponding to termination contact when, output signals to driving/charging switch controller close to terminal, be thing close to terminal
Be in the wrong connecting terminal, is only all patched in other all terminals, close to the last just short circuit of terminal, to ensure the plug of charging station
Connected with input connector, charged state can be entered；
It is characterized in that：It also includes high-voltage interlocking device, and high-voltage interlocking device includes charging lid, latch gear and detection and opened
Close, outside 3 cross streams are inputted by an input connector, be electrically charged outside described input connector housing live with
Exempt to expose the HV Terminal on input connector, latch gear is used to pin charging lid when charging lid is closed, in order to avoid charging
Lid is opened accidentally, and detection switch is turned on or off state and passes the signal to driving/charging to cut for detection charging lid
Changer controller；
By first group of switch k1 connection between described high-tension battery and inverter, the first end of the coil windings of motor with it is inverse
Become device connection, the second end connection input connector of the coil windings of motor, the second end of the coil windings of motor is also by the
Two groups of switch k2 connection short units；
First group of switch k1 is controlled by battery management system BMS, and second group of switch k2 be driven/charging switch controller control.
2. a kind of integrated charge according to claim 1 is with driving in the vehicle electric system of one, it is characterised in that：Electricity
Pond management system BMS, inverter and driving/charging switch controller are connected with each other communication.
3. a kind of integrated charge according to claim 1 is with driving in the vehicle electric system of one, it is characterised in that：When
Electric automobile is in driving condition, first group of switch k1 closure, and the charging lid closing of the outside of input connector covers high-pressure side
Son and pinned by latch gear, disconnect outside 3 cross streams electricity and the second end of the coil windings of motor, the coil of motor around
The first end of group is connected with inverter, and second group of switch k2 closure makes the second end of coil windings short mutually by short unit
Connect, the high voltage direct current of high-tension battery output is converted into 3 cross streams electricity outputs to motor, motor operating by inverter.
4. a kind of integrated charge according to claim 1 is with driving in the vehicle electric system of one, it is characterised in that：When
Electric automobile is in charged state, and the first end of the coil windings of motor is connected with inverter, and latch gear is opened, and input connects
The charging lid for connecing the outside of device is opened, and the signal of the opening for the lid that charges is sent to driving/charging and switched by detection switch
Controller, driving/charging switch controller disconnect second group of switch k2, the second end of coil windings is disconnected not short circuit mutually,
Outside 3 cross streams electricity is connected with the second end of the coil windings of motor simultaneously, when charging station plug and input connector
During through being fully connected, driving/charging switch controller is output signals to close to terminal, it is high that first group of switch k1 just closes connection
Piezoelectric battery and inverter, by the use of the coil windings of motor as charging inductor, charger, outside 3 phases are used as by the use of inverter
Some the phase coil windings and inverter that alternating current passes sequentially through motor are converted into direct current high-tension battery are charged.
5. for a kind of integrated charge according to claim 1 or 2 or 3 or 4 with driving in the vehicle electric system of one, it is special
Sign is：Charge control button is provided with inside the driver's cabin of electric automobile, charge control button passes through a mechanical transmissioning machine
Structure drives latch gear, and when people manipulate charge control button, charge control button drives lock by a mechanical transmission mechanism
Pin assembly acts, and opens charging lid, charge control button is also to driving/charging switch controller output signal.
6. for a kind of integrated charge according to claim 1 or 2 or 3 or 4 with driving in the vehicle electric system of one, it is special
Sign is：It is provided with drive control button inside the driver's cabin of electric automobile, drive control button is to driving/charging switching control
Device output signal.
7. for a kind of integrated charge according to claim 1 or 2 or 3 or 4 with driving in the vehicle electric system of one, it is special
Sign is：Described charging lid (2) is arranged on the outside of socket (1) by hinge (3), and charging lid (2) can be around socket (1)
Upset the movable side protrusion projection (21) of charging lid (2), neck is set on projection (21) so as to open or close
(22), socket (1) is arranged on vehicle body (100), and vehicle body (100) is provided with latch gear, latch gear include lock pin (6),
Spring (8), mechanical transmission mechanism, when charging lid (2) is closed, lock pin (6) snaps onto projection (21) in the presence of spring (8)
Inside upper setting neck (22), charging lid (2) is set arbitrarily to open, only when pressing charge control button, charge control is pressed
Button overcomes the resistance of spring (8) to depart from neck (22) by a mechanical transmission mechanism with pendulum lock pin (6), so as to open charging lid
(2) stage clip (7), is set on the side of hinge (3), once lock pin (6) departs from neck (22), stage clip (7) just flicks charging lid
(2) detection switch (5), is set on the side of lock pin (6), vehicle body (100).
8. a kind of integrated charge is with driving in the control method of the vehicle electric system of one, described vehicle electric system high pressure
Battery, inverter, traction electric machine, battery management system BMS, driving/charging switch controller, first group of switch k1, second group
K2, short unit, the input connector and high-voltage interlocking device of 3 cross streams electricity are switched, high-tension battery passes through first group of switch k1
It is connected with inverter one end, the first end connection of the coil windings of the other end connection traction electric machine of inverter, traction electric machine
The second end connection input connector of coil windings, the second end of the coil windings of motor are also short by second group of switch k2 connection
Order member, driving/charging switch controller include with inverter and battery management system BMS connection communications, high-voltage interlocking device
Charging lid, latch gear and detection switch, outside 3 cross streams electricity are inputted by an input connector, described input
It is electrically charged housing outside connector to live in order to avoid exposing the HV Terminal on input connector, latch gear is used to cover in charging
Pinning charging lid during closing, in order to avoid charging lid is opened accidentally, detection switch is turned on or off state for detection charging lid
And driving/charging switch controller is passed the signal to, the input connector of 3 cross streams electricity includes socket and installed in slotting
3 phase HV Terminals inside pedestal, ground terminal, communication terminal is controlled and close to terminal, close to terminal and the plug of charging station
Corresponding to the inside during termination contact, driving/charging switch controller is output signals to close to terminal, it is characterised in that：Controlling party
Method is as follows：
Must meet two conditions into charging procedure, 1) charging lid must be opened first, the detection switch of detection charging lid state
Pass the signal to driving/charging switch controller；2) plug of charging station must patch with input connector, and by approaching
Terminal outputs signals to driving/charging switch controller；When electric automobile is in sleep state, first group of switch k1 disconnects,
High-tension battery is disconnected with inverter, can neither charge, can not drive；Electric automobile is switched to charged state by sleep state
When, whether detection charging lid is opened first, disconnects first group of switch k1 and second group of switch k2 if opening, then detection input
Whether the socket of connector connects whether grafting is good with input connector to determine the plug of charging station close to terminal,
If grafting is good, first group of switch k1 is closed, into charging procedure, when plug and the input connector disengaging of charging station, is approached
Terminal outputs signals to driving/charging switch controller, stops charging, first group of switch k1 is disconnected, into sleep state；
It must meet a condition into driver：It is exactly that charging is covered necessarily at closed mode, detection charging lid state
Detection switch passes the signal to driving/charging switch controller；It is first when electric automobile is switched to driving condition by sleep state
Whether first detection charging lid closes, if charging lid is closed, closes second group of switch k2, is closed again first group of switch
K1, into driver, during driving, if charging lid is opened, driving is interrupted, opens first group of switch k1 and second
Group switch k2, into sleep state.
9. a kind of integrated charge according to claim 8 and drive in one vehicle electric system control method, its
It is characterised by：The input of driving/charging switch controller and the charge control button connects in car steering room, are pressed
Charge control button sends instruction to driving/charging switch controller and is prepared to enter into charged state, and at the same time charge control is pressed
Button drives latch gear to act by a mechanical transmission mechanism, opens charging lid, the detection switch of detection charging lid state will
Signal is sent to driving/charging switch controller.
10. a kind of integrated charge according to claim 9 and drive in one vehicle electric system control method, its
It is characterised by：The input of driving/charging switch controller is with positioned at drive control button connects in car steering room, pressing drive
Dynamic control button sends instruction to driving/charging switch controller and is prepared to enter into driving condition, and driving/charging switch controller is again
Whether detection charging lid is closed.
Priority Applications (2)
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| CN201410714429.7A CN105691217B (en) | 2014-11-29 | 2014-11-29 | A kind of integrated charge is with driving vehicle electric system and its control method in one |
| PCT/CN2015/071495 WO2016082326A1 (en) | 2014-11-29 | 2015-01-23 | Electric automobile system integrating charging and driving functions, and control method therefor |
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| CN201410714429.7A CN105691217B (en) | 2014-11-29 | 2014-11-29 | A kind of integrated charge is with driving vehicle electric system and its control method in one |
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| CN106532924A (en) * | 2016-11-21 | 2017-03-22 | 六安市科宇专利技术开发服务有限公司 | Power supply source of electric vehicle charging station |
| KR20180092091A (en) * | 2017-02-08 | 2018-08-17 | 엘지이노텍 주식회사 | Charging control apparatus for electric vehicle |
| CN107097685B (en) * | 2017-04-24 | 2019-02-12 | 清华大学 | Electric car composite energy storage system and energy distributing method based on elastic energy storage |
| CN107521363B (en) * | 2017-08-14 | 2019-11-08 | 中国重汽集团济南动力有限公司 | A kind of the multilevel security protection system and control method of the car locking that charges |
| EP3492356B1 (en) * | 2017-12-01 | 2021-06-02 | Gogoro Inc. | Security mechanisms for electric motors and associated systems |
| CN108539833B (en) * | 2018-05-04 | 2019-11-26 | 南通大学 | One kind winding permanent magnet electricity for electric vehicle of opening drives Reconstructed on-board charging system |
| CN110971173B (en) | 2018-12-21 | 2021-01-19 | 比亚迪股份有限公司 | Charging method of power battery, motor control circuit and vehicle |
| CN112224042B (en) * | 2019-06-30 | 2022-04-15 | 比亚迪股份有限公司 | Energy conversion device and vehicle |
| CN110824902A (en) * | 2019-11-29 | 2020-02-21 | 上海航天控制技术研究所 | Space station sun-to-sun directional solar wing switching and locking control system and method |
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| JP2022103775A (en) * | 2020-12-28 | 2022-07-08 | トヨタ自動車株式会社 | Charger |
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