CN205846735U - A kind of electric automobile driving apparatus - Google Patents
A kind of electric automobile driving apparatus Download PDFInfo
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- CN205846735U CN205846735U CN201620599261.4U CN201620599261U CN205846735U CN 205846735 U CN205846735 U CN 205846735U CN 201620599261 U CN201620599261 U CN 201620599261U CN 205846735 U CN205846735 U CN 205846735U
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Abstract
This utility model relates to a kind of electric automobile driving apparatus, including motor winding control switch S4, S5, S6, shorting stub, open winding motor, status command gives system, energy-storage system, filter capacitor, filter capacitor control switch S1, S2, S3, electric drive unit；Energy-storage system by bus just, bus is negative is connected with electric drive unit；Electric drive unit is connected with opening winding motor by tri-cables of U, V, W；Open winding motor to be connected with triple line A on electrical network, B, C by junction point P10, P11, P12 again through motor winding control switch S4, S5, S6 by three cables.Advantage is: make electric automobile that driver element and motor can be utilized to realize the conversion of electric energy, controlled motor in electric automobile winding connect and activation configuration, it is achieved electric automobile drive pattern and the switching of transformation of electrical energy pattern.
Description
Technical field
This utility model belongs to and utilizes electric automobile to carry out energy storage unsteady flow field, particularly relates to a kind of electric automobile and drives dress
Put.
Background technology
Along with society the attention rate of the energy and environment is improved constantly, electric energy storage and the progress of electric drive technology,
Increasing electric automobile substitutes the convenient trip of transmission automobile.Data show that the annual rate of growth of electric automobile alreadys more than
50%, the numerous electric vehicles with the electric automobile such as electric bus, electronic middle-size and small-size car as representative serve society, family.Right
The time in use having 90% in most electric automobile is in parked state；Meanwhile, substantial amounts of business, do
Public region is when power consumption is big, it is possible that power consumption shortage problem.If the quantity of electric automobile reaches certain scale,
Electric automobile, can be towards little micro-capacitance sensor as the carrier of energy, intelligent grid, participates in the grid balance of local.
Electric automobile, when as the energy-storage travelling wave tube of electrical network, supplements energy as needed for electrical network.Meanwhile, electric automobile drives
Moving cell, for providing power to electric automobile, electric automobile drives module to be made up of electrical automobile driver and motor.How
The maximum drive system utilizing electric automobile self, it is achieved energy storage unsteady flow, is to effectively reduce access electrical network cost, and promoting should
The key of item technological applicability.
Summary of the invention
For overcoming the deficiencies in the prior art, the purpose of this utility model is to provide a kind of electric automobile driving apparatus, structure
It is relatively simple, it is easy to accomplish, the electric automobile energy-storage travelling wave tube as electrical network can be realized.
For achieving the above object, this utility model is achieved through the following technical solutions:
A kind of electric automobile driving apparatus, controls switch S4, S5, S6, shorting stub including motor winding, to open winding electronic
Machine, energy-storage system, filter capacitor, filter capacitor control switch S1, S2, S3, electric drive unit；
Energy-storage system by bus just, bus is negative is connected with electric drive unit；Electric drive unit passes through tri-cables of U, V, W
It is connected with opening winding motor；
Open winding motor by three cables through motor winding control switch S4, S5, S6 again by junction point P10,
P11, P12 are connected with triple line A on electrical network, B, C；
Bus just and bus negative between connect and have filter capacitor to control switch S1, S2, S3, filter capacitor, filter capacitor control
System switch S1, S2, S3 are connected with filter capacitor；
Triple line A being connected with electrical network, B, C connect and has voltage and current sensor；Energy-storage system is BMS cell tube
Reason system.
Described winding motor of opening includes 6 sections of winding L1～L6, wherein winding L1 Yu L4, winding L2 Yu L5, winding L4
With the three-phase windings that L6 separately constitutes out winding motor, the junction point of two sections of winding L1 is P1 and P4, two sections of winding L4
Junction point be P4 and P7, winding L1 and winding L4 points of common connection are P4；The junction point of two sections of winding L2 is P2 and P5, around
The junction point of two sections of group L5 is P5 and P8, and winding L2 and winding L5 points of common connection are P5；The junction point of two sections of winding L3
Junction point for two sections of P3 and P6, winding L6 is P6 and P9, and winding L3 and winding L6 points of common connection are P6.
Described voltage and current sensor by voltage and current signal collection to electric drive unit, for transformation of electrical energy shape
Voltage under state and current acquisition.
Compared with prior art, the beneficial effects of the utility model are:
The utility model discloses motor in electric automobile, driver topological structure, make electric automobile that driving can be utilized single
Unit and motor realize the conversion of electric energy, controlled motor in electric automobile winding connect and activation configuration, it is achieved electric automobile
Drive pattern and the switching of transformation of electrical energy pattern.Not increasing extra inverter and can ensure what power drive system normally worked
Under premise, it is achieved the energy content of battery of electric automobile and the exchange of power grid energy.Voltage support to electrical network, and utilize electric automobile
Composition microgrid, it is provided that electric power is significant.
Accompanying drawing explanation
Fig. 1 is eDrive state schematic diagram.
Fig. 2 is transformation of electrical energy view.
Fig. 3 is electric drive unit control method schematic diagram.
Fig. 4 is electric drive unit internal structure schematic diagram.
Fig. 5 is electric drive unit theory diagram one.
Fig. 6 is electric drive unit theory diagram two.
In figure: 1-electrical network 22-voltage and current sensor 2-motor winding control switch 3-and open winding motor 4-
Status command system 5-energy-storage system 61-bus positive 62-bus is born 8-filter capacitor and is controlled switch 7-filter capacitor 9-electricity
Driver element 13-relay
91-terminal one 910-current detecting modulate circuit 911-and single chip communication port 912-Switching Power Supply two
914-terminal three 915-fixing hole 916-NTC isolation 917-PT100 isolation 92-drives and drives Interface Terminal 920-to adjust
Try power input port 921-single-chip microcomputer voltage-stabilized power supply circuit 922-single-chip microcomputer voltage-stabilized power supply circuit 923-single-chip microcomputer and delay
Rush the output of circuit 924-relay and interface 925-rotation becomes 24V_to_5v power circuit 926-mistake/undercurrent pressure protection 927-rotation
Become terminal 928-rotation and become modulate circuit 929-8 railway digital isolation input 93-terminal one 930-3 railway digital isolation and amplifier
931-outer signal terminal 932-2 road CAN isolation and power supply 933-interface 24V_to_5v power circuit 939-8 road AD gather
Isolation and power supply 94-PT100 isolation module 95-busbar voltage isolation module 951-voltage on line side terminal one 952-net side electricity
Pressure side son two 953-voltage modulate circuit 96-Switching Power Supply one 99-current sense terminal.
Detailed description of the invention
Below in conjunction with Figure of description, this utility model is described in detail, it should be noted that of the present utility model
Implement to be not limited to following embodiment.
See Fig. 1-Fig. 6, a kind of electric automobile driving apparatus, control switch S4, S5, S6, shorting stub including motor winding, open
Winding motor, status command give system, energy-storage system, filter capacitor, filter capacitor control switch S1, S2, S3, electric drive
Unit forms；
Energy-storage system by bus just, bus is negative is connected with electric drive unit；Electric drive unit passes through tri-cables of U, V, W
It is connected with opening winding motor；
Open winding motor by three cables through motor winding control switch S4, S5, S6 again by junction point P10,
P11, P12 are connected with triple line A on electrical network, B, C；
Bus just and bus negative between connect and have filter capacitor to control switch S1, S2, S3, filter capacitor, filter capacitor control
System switch S1, S2, S3 are connected with filter capacitor；
Triple line A being connected with electrical network, B, C connect and has voltage and current sensor；Energy-storage system is BMS cell tube
Reason system；Status command system gives electric drive unit running status.
Opening winding motor and include 6 sections of winding L1～L6, wherein winding L1 with L4, winding L2 with L5, winding L4 with L6 divide
Zu Cheng not open the three-phase windings of winding motor, the junction point of two sections of winding L1 is P1 and P4, the connection of two sections of winding L4
Point is P4 for P4 and P7, winding L1 and winding L4 points of common connection；The junction point of two sections of winding L2 is P2 and P5, winding L5's
The junction point of two sections is P5 and P8, and winding L2 and winding L5 points of common connection are P5；The junction point of two sections of winding L3 be P3 and
The junction point of two sections of P6, winding L6 is P6 and P9, and winding L3 and winding L6 points of common connection are P6.
Status command system gives electric drive unit running status, and running status is divided into eDrive state, transformation of electrical energy shape
State；When being in eDrive state, electric drive unit controls to open winding motor and runs, and motor winding controls switch S4, S5, S6
Switching in shorting stub by the winding opening winding motor, filter capacitor controls switch S1, S2, S3 disconnection simultaneously, makes out winding
Motor junction point P4, P5, P6 disconnect with filter capacitor；When being in transformation of electrical energy state, by open winding motor around
Group and electrical network carry out energy exchange, and motor winding controls switch S4, S5, S6 and the winding opening winding motor is switched to electrical network
On, disconnect the connection with shorting stub；Meanwhile, filter capacitor control switch S1, S2, S3 turn on winding motor junction point P4,
Connection between P5, P6 and filter capacitor so that filter capacitor is connected with opening winding motor junction point P4, P5, P6.
Wherein, voltage and current sensor by voltage and current signal collection to electric drive unit, for transformation of electrical energy shape
Voltage under state and current acquisition.The signal that status command system sends is on-off model.
Electric drive unit includes three-phase inverter bridge circuit, master control borad, driving plate, and master control borad, driving plate, three-phase bridge are inverse
Power transformation road is sequentially connected with, and master control borad is provided with analog quantity/digital-quantity input interface and analog quantity/digital-quantity output interface, master control
Plate is connected with current sensor, and three-phase inverter bridge circuit is connected with driving winding motor current sensor, energy-storage system
It is connected with three-phase inverter bridge circuit.
Transformation of electrical energy control method, electric drive unit is instructed by bus mode or digital quantity interface State Transferring,
The electric drive unit default conditions that power on are eDrive state, and now, motor winding controls switch and is connected with shorting stub, filters simultaneously
Electric capacity by filter capacitor switch in parallel bus just and bus negative between, open winding electric machine and be in star access state；
Electric drive unit is by the divider resistance detection bus electricity in the busbar voltage isolation module 95 that is positioned on master control borad
Pressure, monitors three-phase current by current sensor, is become by the rotation being arranged on rotor axis of electric and rotation becomes modulate circuit 928 and supervises
Measured motor rotor-position；The three-phase current of monitoring, rotor-position and busbar voltage decoupling three-phase current are d-axis and quadrature axis current；
Determining torque by monitoring motor rotor position, the given SVPWM space vector pulse width modulation that controls exports, by three
Phase bridge inverter main circuit makes motor output expectation torque, thus controls electric vehicle motion, wherein, and the expectation torque of motor output
It is that the gas received by 2 road CAN isolation and power supply 932 is instructed or 8 road AD gather isolation and power supply 939 gathers throttle
Instruction；
When automobile is in halted state, electric drive unit allows to switch to transformation of electrical energy state, now electric drive unit
Monitoring simultaneously is positioned at voltage and the current sensor of grid side, and whether detection junction point P10, P11, P12 are connected with electrical network, if
It is connected with electrical network triple line A, B, C, starts to monitor three-phase alternating current piezoelectric voltage；If be in transformation of electrical energy state simultaneously, switching electricity
Machine winding control switch S4, S5, S6, make filter capacitor be linked into out on winding motor junction point P4, P5, P6, by motor around
Group forms LCL filter circuit with filter capacitor, reduces follow-up grid-connected harmonic wave；Simultaneously carry out SVPWM space vector pulse width
Modulation output, SVPWM space vector pulse width modulation output signal simultaneously drives three-phase inverting circuit and controls output voltage, works as output
Voltage-phase, frequency and line voltage, frequency consistent time, filter capacitor controls switch S1, S2, S3 Guan Bi；
Electric drive unit uses droop control mode, the meritorious and reactive power of regulation output；Drive when again receiving electricity
During dynamic status command, reduce active power and reactive power exports to zero；Switch motor winding controls switch S4, S5, S6 and filter
Ripple capacitance controlled switches S1, S2, S3, reenter eDrive state.
Fig. 5 is the power supply of electric drive unit and drives plate structure, and terminal 2 93 connects bus and isolates 95 by busbar voltage
And voltage modulate circuit 953 changes and accesses and single chip communication port 911 after voltage.Terminal 1 jointing temp detection line is also
PT100 isolation module 94, PT100 isolation 917 and NTC is isolated 916 modules and is accessed after overvoltage modulate circuit 953 changes voltage
With single chip communication port 911.Terminal 2 93 connects bus, Switching Power Supply 1 and Switching Power Supply 2 912 conversion dc bus electricity
Source provides supply voltage for each module.Current sense terminal 99 connects current sensor, by current detecting modulate circuit 910 by electricity
Stream signal is converted to voltage signal and accesses and single chip communication port 911.Voltage on line side terminal 1 and voltage on line side terminal
2 952 open with the voltage sensor being positioned in the net voltage of side and current sensor 22 and the monitoring in electric drive unit respectively around
Voltage sensor in the voltage of group motor triple line and current sensor is connected.Monitoring motor terminal, the voltage of net side.
Fig. 6 is the master control borad structure of electric drive unit.Master control borad and power supply and drive plate by with single chip communication interface
911 connect, and electric current and voltage signal pass to single-chip microcomputer and buffer circuit 923, simultaneously electric current and voltage signal be also transmitted to/
Undercurrent pressure protection 926, and protective number is input to single-chip microcomputer and buffer circuit 923.The outer signal terminal of master control borad is with outside
The interfaces such as gas pedal, CAN communication, ignition switch, command switch are connected, and are gathered in isolation and power supply 939 by 8 road AD
A road AD isolated variable signal monitoring accelerator pedal position.Isolated by 2 road CAN and power supply 932 Zhong mono-road CAN isolation electricity
Road and outside entire car controller communication, and data are passed to single-chip microcomputer and buffer circuit 923.By 8 railway digital isolation inputs 929
In digital isolation module gather ignition switch, command switch signal, and input quantity is passed to single-chip microcomputer and buffer circuit 923.
Connect the rotary transformer being arranged on motor shaft end by PT100 isolation 917 rotation change terminal, become modulate circuit 928 by rotation and resolve
Motor rotor position, and parsing amount is passed to single-chip microcomputer and buffer circuit 923.Single-chip microcomputer and buffer circuit 923, after calculating
Pwm signal is by being sent to drive and drive Interface Terminal 92 with single chip communication port 911.Drive and drive Interface Terminal 92
It is connected with the three-phase inverter bridge circuit in Fig. 4, and controls to open winding electric machine.
The utility model discloses motor in electric automobile, driver topological structure and utilize motor in electric automobile and driver
Realize the control method of transformation of electrical energy.Make electric automobile driver element and motor can be utilized to realize the conversion of electric energy, by controlled
Motor in electric automobile winding connect and activation configuration, it is achieved the switching of electric automobile drive pattern and transformation of electrical energy pattern.
Under eDrive state, battery export energy to motor, provide power to electric automobile.Under energy exchange state, profit
Realizing by motor self winding and driver, the control of electric energy completes the voltage support of electrical network and the charging of battery.Can
On the premise of not increasing extra inverter and ensureing that power drive system normally works, it is achieved the energy content of battery of electric automobile and electricity
The exchange of network energy.Voltage support to electrical network, and utilize electric automobile to form microgrid, it is provided that electric power is significant.
Claims (3)
1. an electric automobile driving apparatus, it is characterised in that include that motor winding controls switch S4, S5, S6, shorting stub, opens
Winding motor, energy-storage system, filter capacitor, filter capacitor control switch S1, S2, S3, electric drive unit；
Energy-storage system by bus just, bus is negative is connected with electric drive unit；Electric drive unit passes through tri-cables of U, V, W and opens
Winding motor connects；
Open winding motor and control switch S4, S5, S6 again by junction point P10, P11, P12 by three cables through motor winding
It is connected with triple line A on electrical network, B, C；
Bus just and bus negative between connect and have filter capacitor to control switch S1, S2, S3, filter capacitor, filter capacitor controls to open
Close S1, S2, S3 to be connected with filter capacitor；
Triple line A being connected with electrical network, B, C connect and has voltage and current sensor；Energy-storage system is BMS battery management system
System.
A kind of electric automobile driving apparatus the most according to claim 1, it is characterised in that described opens winding motor bag
Including 6 sections of winding L1～L6, wherein winding L1 Yu L4, winding L2 Yu L5, winding L4 Yu L6 separately constitute out the three of winding motor
Phase winding, the junction point of two sections of winding L1 is P1 and P4, and the junction point of two sections of winding L4 is P4 and P7, winding L1 and winding
L4 points of common connection is P4；The junction point of two sections of winding L2 is P2 and P5, and the junction point of two sections of winding L5 is P5 and P8, around
Group L2 is P5 with winding L5 points of common connection；The junction point of two sections of winding L3 is P3 and P6, the junction point of two sections of winding L6
It is P6 for P6 and P9, winding L3 and winding L6 points of common connection.
A kind of electric automobile driving apparatus the most according to claim 1, it is characterised in that described voltage and current sense
Device by voltage and current signal collection to electric drive unit, the voltage under transformation of electrical energy state and current acquisition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620599261.4U CN205846735U (en) | 2016-06-20 | 2016-06-20 | A kind of electric automobile driving apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620599261.4U CN205846735U (en) | 2016-06-20 | 2016-06-20 | A kind of electric automobile driving apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205846735U true CN205846735U (en) | 2016-12-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620599261.4U Expired - Fee Related CN205846735U (en) | 2016-06-20 | 2016-06-20 | A kind of electric automobile driving apparatus |
Country Status (1)
| Country | Link |
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| CN (1) | CN205846735U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3823145A1 (en) * | 2019-11-12 | 2021-05-19 | Schneider Toshiba Inverter Europe SAS | Electronic device and method for determining at least one characteristic parameter of a connection set connected between a converter and an electric machine, related power supply chain and computer program |
-
2016
- 2016-06-20 CN CN201620599261.4U patent/CN205846735U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3823145A1 (en) * | 2019-11-12 | 2021-05-19 | Schneider Toshiba Inverter Europe SAS | Electronic device and method for determining at least one characteristic parameter of a connection set connected between a converter and an electric machine, related power supply chain and computer program |
| US11480629B2 (en) | 2019-11-12 | 2022-10-25 | Schneider Toshiba Inverter Europe Sas | Electronic device and method for determining at least one characteristic parameter of a connection set connected between a converter and an electric machine, related power supply chain and computer program |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161228 Termination date: 20200620 |
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| CF01 | Termination of patent right due to non-payment of annual fee |