CN109980711A - Electric car and electric machine control system - Google Patents
Electric car and electric machine control system Download PDFInfo
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- CN109980711A CN109980711A CN201711465969.6A CN201711465969A CN109980711A CN 109980711 A CN109980711 A CN 109980711A CN 201711465969 A CN201711465969 A CN 201711465969A CN 109980711 A CN109980711 A CN 109980711A
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- 239000003990 capacitor Substances 0.000 claims description 26
- 230000006837 decompression Effects 0.000 claims description 11
- 230000005611 electricity Effects 0.000 claims description 8
- 238000004891 communication Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 7
- 238000004146 energy storage Methods 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
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- 235000013399 edible fruits Nutrition 0.000 description 1
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Classifications
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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
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/26—Arrangements for eliminating or reducing asymmetry in polyphase networks
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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
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/28—Arrangements for balancing of the load in a network by storage of energy
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- H02J7/0027—
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- H02J7/022—
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/50—Arrangements for eliminating or reducing asymmetry in polyphase networks
Abstract
The invention discloses a kind of electric car and electric machine control system, the system comprises: AC charge port；First switch module, one end are connected with AC charge port；Two-way DC/AC module；Second switch module, one end are connected with the three-phase alternating current end of two-way DC/AC module, and the other end is connected with driving motor；Direct-current charge port；DC charging module；Third switch module, one end are connected with power battery；4th switch module, one end are connected with direct-current charge port, and the other end is connected with DC charging module；Controller module, for being controlled such that electric machine control system switches over work between motor drive mode, AC charging mode and DC charging mode to first to fourth switch module, two-way DC/AC module and DC charging module.The system makes electric car that can not only carry out AC charging but also can carry out DC charging, reduces the universal cost of electric car, has pushed the universal process of electric car.
Description
Technical field
The present invention relates to automobile technical field, in particular to a kind of electric machine control system and electric car.
Background technique
In the related technology, the electric machine control system of electric car generally uses structure as shown in Figure 1.As shown in Figure 1, electric
Machine control system generally comprises: the first to the 8th switch K1-K8, bus Support Capacitor C, passive bleeder resistance R1, Y capacitance C2,
C3, two-way DC/AC module 30, energy storage inductor L and AC charge port U1, three-phase equilibrium capacitor C4-C6, preliminary filling resistance R2 etc., tool
Body connection type referring to Fig.1, is not repeated herein.
When electric machine control system work is in motor drive mode, first switch K1, second switch K2 are attracted, third to the
Seven switch K3-K7 are disconnected, and the high voltage direct current of power battery output inputs two-way DC/AC module 30 after filtering, by double
It is reverse into three-phase alternating current to DC/AC module 30, driving motor M is delivered to by K1, K2.When electric machine control system work is being handed over
When current charge mode, K1, K2 are disconnected, and K6 is attracted, and AC charge port U1 is connect with AC charging cabinet, and K7 is attracted, pre- to C by R2
Fill, preliminary filling success after, K3, K4, K5 be attracted, alternating current by the diode rectification in two-way DC/AC module 30 at direct current into
Enter power battery 80, to charge to power battery 80.
However, above system can only charge to power battery 80 by dedicated AC charging cabinet, and AC charging
The not only volume of cabinet is big but also cost is high, this improves the universal cost of pure electric automobile to a certain extent.
Summary of the invention
The present invention is directed to solve at least some of the technical problems in related technologies.For this purpose, of the invention
One purpose is to propose a kind of electric machine control system, which makes electric car that can not only carry out AC charging but also can carry out
DC charging not only increases the versatility of electric car charging, also reduces the universal cost of electric car, pushed electronic
The universal process of automobile.
It is another object of the present invention to propose a kind of electric car.
In order to achieve the above objectives, one aspect of the present invention embodiment proposes a kind of electric machine control system, comprising: AC charging
Mouthful, for connecting external communication charging equipment；First switch module, one end of the first switch module and the AC charging
Mouth is connected；Two-way DC/AC module, the three-phase alternating current end of the two-way DC/AC module and the other end of the first switch module
It is connected；Second switch module, one end of the second switch module are connected with the three-phase alternating current end of the two-way DC/AC module,
The other end of the second switch module is connected with driving motor；Direct-current charge port, for connecting external dc charging equipment；Directly
Current charge module, the first end of the DC charging module are connected with the first DC terminal of the two-way DC/AC module, described straight
The second end of current charge module is connected with the second DC terminal of the two-way DC/AC module；Third switch module, the third are opened
Close module one end be connected with power battery, the other end of the third switch module respectively with the two-way DC/AC module
First DC terminal is connected with the second DC terminal；4th switch module, one end of the 4th switch module and the DC charging
Mouth is connected, and the other end of the 4th switch module is connected with the second end of the DC charging module and third end respectively；Control
Device module processed, the controller module are used for the first switch module, the second switch module, the third switching molding
Block, the 4th switch module and the two-way DC/AC module and the DC charging module are controlled such that the electricity
Machine control system switches over work between motor drive mode, AC charging mode and DC charging mode.
Electric machine control system according to an embodiment of the present invention, by controller module to first switch module, second switch
Module, third switch module, the 4th switch module and two-way DC/AC module and DC charging module are controlled such that motor
Control system switches over work between motor drive mode, AC charging mode and DC charging mode, makes electric car
Not only AC charging can have been carried out but also DC charging can be carried out, and not only increased the versatility of electric car charging, also reduce
The universal cost of electric car has pushed the universal process of electric car.
In addition, the electric machine control system proposed according to that above embodiment of the present invention can also have following additional technical feature:
According to one embodiment of present invention, above-mentioned electric machine control system further include: preliminary filling module, the preliminary filling module
Before the electric machine control system is with the work of AC charging mode, for described double under the control of the controller module
Preliminary filling is carried out to the dc-link capacitance between the first DC terminal and the second DC terminal of DC/AC module.
According to one embodiment of present invention, above-mentioned electric machine control system further include: module of passively releasing, it is described passive
Module of releasing is in parallel with the dc-link capacitance, for passively being released to the voltage on the dc-link capacitance；Filter
Wave module, the filter module and the wired in parallel of passively releasing, for absorbing common mode interference；Three-phase equilibrium module, it is described
The first end of three-phase equilibrium module is connected with the first DC terminal of the two-way DC/AC module, and the of the three-phase equilibrium module
Two ends are connected with the second DC terminal of the two-way DC/AC module, and the third end of the three-phase equilibrium module passes through energy-storage module
It is connected to the three-phase alternating current end of the two-way DC/AC module, the three-phase equilibrium module is used for the two-way DC/AC module
Three-phase alternating current end voltage is balanced.
According to one embodiment of present invention, the third switch module includes: first switch, and the of the first switch
One end is connected with one end of the power battery, and the first of the second end of the first switch and the two-way DC/AC module is straight
End is flowed to be connected；Second switch, the first end of the second switch are connected with the other end of the power battery, the second switch
Second end be connected with the second DC terminal of the two-way DC/AC module.
According to one embodiment of present invention, the 4th switch module includes: third switch, and the of third switch
One end is connected with one end of the direct-current charge port, the second end of the third switch and the third end of the DC charging module
It is connected；The first end of 4th switch, the 4th switch is connected with the other end of the direct-current charge port, the 4th switch
Second end is connected with the second end of the DC charging module.
According to one embodiment of present invention, the DC charging module includes: first capacitor, and the one of the first capacitor
The second end switched with the third is held to be connected, the other end of the first capacitor is connected with the second end of the 4th switch；
First inductance, the second end phase that one end of first inductance is switched with one end of the first capacitor and the third respectively
Even；First power switch tube and the second power switch tube, one end of first power switch tube and the two-way DC/AC module
The first DC terminal be connected, the other end of first power switch tube is connected and has with one end of second power switch tube
There is first node, the first node is connected with the other end of first inductance, the other end of second power switch tube
It is connected with the second DC terminal of the two-way DC/AC module.
According to one embodiment of present invention, the controller module is when receiving DC charging instruction, described in judgement
Relationship between charging voltage needed for the operating voltage of external dc charging equipment and the power battery, wherein if described
Charging voltage needed for the operating voltage of external dc charging equipment is less than the power battery, described in controller module control
First switch is closed the switch to the described 4th, and is controlled second power switch tube and often closed, and passes through control described first
The duty ratio of power switch tube is so that the DC charging module carries out boosting work, to realize the electric machine control system with straight
Boost charge mode is flowed to the power battery charging；If the operating voltage of the external dc charging equipment is greater than described dynamic
Charging voltage needed for power battery, the controller module controls the second switch and the described 4th and closes the switch, and controls institute
State third switch first end connect with the second end of the first switch, the first end of the first switch is opened with the third
The second end of pass connects, and control first power switch tube is often closed, and by controlling second power switch tube
Duty ratio is so that the DC charging module carries out decompression work, to realize the electric machine control system with DC decompression charging side
Formula is to the power battery charging；It is filled if the operating voltage of the external dc charging equipment is equal to needed for the power battery
When piezoelectric voltage, the controller module controls the first switch, the second switch and the described 4th is closed the switch, and controlled
The first end of the third switch is connect with the second end of the first switch, to realize the electric machine control system with direct current pair
Mode is filled to the power battery charging.
According to one embodiment of present invention, the first switch module includes the first threephase switch and single-phase switch, institute
Stating preliminary filling module includes the second threephase switch and three-phase preliminary filling resistance, and the three-phase equilibrium module includes three-phase equilibrium capacitor and the
Three threephase switches, wherein the controller module controls the second switch module and third when receiving motor driven instruction
Switch module closure, and control first threephase switch, the single-phase switch, second threephase switch, the described 3rd 3
Mutually switch and the 4th switch module are all off, to realize that the electric machine control system is worked with motor drive mode.
According to one embodiment of present invention, when the controller module receives AC charging instruction, described the is controlled
Two switch modules and the 4th switch module disconnect, and control the third switch module closure, and control described second
Threephase switch and the third threephase switch are closed to carry out preliminary filling to the dc-link capacitance, and after the completion of preliminary filling, such as
The corresponding instruction of AC charging described in fruit is three-phase alternating current charging, and the controller module then controls first threephase switch and closes
It closes, and controls the single-phase switch and disconnect；If the corresponding AC charging instruction is single phase ac charging, the controller
Module then controls a phase and single-phase switch closure in first threephase switch.
In order to achieve the above objectives, a kind of electric car that another aspect of the present invention embodiment proposes comprising above-mentioned
Electric machine control system.
The electric car of the embodiment of the present invention, by the controller module of above-mentioned electric machine control system to first switch mould
Block, second switch module, third switch module, the 4th switch module and two-way DC/AC module and DC charging module carry out
Control is so that electric machine control system switches over work between motor drive mode, AC charging mode and DC charging mode
Make, make electric car that can not only carry out AC charging but also DC charging can be carried out, not only increases the logical of electric car charging
With property, the universal cost of electric car is also reduced, has pushed the universal process of electric car.
Detailed description of the invention
Above-mentioned and/or additional aspect and advantage of the invention will become from the following description of the accompanying drawings of embodiments
Obviously and it is readily appreciated that, wherein
Fig. 1 is the circuit topology figure of the electric machine control system of electric car in the related technology；
Fig. 2 is the block diagram of electric machine control system according to an embodiment of the invention；
Fig. 3 is the circuit topology figure of electric machine control system according to an embodiment of the invention.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
Below with reference to the accompanying drawings come describe the embodiment of the present invention proposition electric machine control system and electric car.
Fig. 2 is the block diagram of electric machine control system according to an embodiment of the invention.As shown in Fig. 2, the motor
Control system includes: AC charge port U1, first switch module 20, two-way DC/AC module 30, second switch module 40, direct current
Charge port U2, DC charging module 50, third switch module 60, the 4th switch module 70 and controller module be not (specific in figure
It shows).
Wherein, AC charge port U1 is for connecting external communication charging equipment.One end of first switch module 20 with exchange
Charge port U1 is connected.The three-phase alternating current end of two-way DC/AC module 30 is connected with the other end of first switch module 20.Second switch
One end of module 40 is connected with the three-phase alternating current end of two-way DC/AC module 30, the other end and driving electricity of second switch module 40
Machine M is connected.Direct-current charge port U2 is for connecting external dc charging equipment.The first end of DC charging module 50 and two-way DC/
First DC terminal of AC module 30 is connected, the second DC terminal of the second end of DC charging module 50 and two-way DC/AC module 30
It is connected.One end of third switch module 60 is connected with power battery 80, the other end of third switch module 60 respectively with two-way DC/
First DC terminal of AC module 30 is connected with the second DC terminal.One end of 4th switch module 70 is connected with direct-current charge port U2,
The other end of 4th switch module 70 is connected with the second end of DC charging module 50 and third end respectively.Controller module is used for
To first switch module 20, second switch module 40, third switch module 60, the 4th switch module 70 and two-way DC/AC mould
Block 30 and DC charging module 50 are controlled such that electric machine control system in motor drive mode, AC charging mode and direct current
Work is switched between charge mode.
Specifically, as shown in Fig. 2, the alternating current at three-phase alternating current end can be converted to direct current simultaneously by two-way DC/AC module 30
It exports from DC terminal, the DC inverter of DC terminal can also be exported at alternating current and from three-phase alternating current end.By controlling third
Switch module 60, the 4th switch module 70 state can make DC charging module 50 work boost mode, decompression mode and
To mold filling formula, so that the direct current that direct-current charge port U2 is exported is carried out boosting processing, decompression is handled or is directly inputted into dynamic
Power battery 80.
When electric machine control system work is in motor drive mode, controller module controls first switch module the 20, the 4th
Switch module 70 disconnects, and controls second switch module 40, the closure of third switch module 60, the direct current that power battery 80 exports
It is that three-phase alternating current is input to driving motor M through two-way 30 inversion of DC/AC module, to power to driving motor M.Work as motor control
System works in AC charging mode, and controller module controls first switch module 20, third switch module 60 is closed, and controls
Second switch module 40 processed, the 4th switch module 70 disconnect, the friendship of external communication charging equipment (such as AC charging cabinet) output
Output direct current is to power battery 80 after the rectification of two-way DC/AC module 30 for galvanic electricity, to charge to power battery 80.
When electric machine control system work is in DC charging mode, controller module controls first switch module 20, second
Switch module 40 disconnects, and according to the voltage class of external communication charging equipment (such as DC charging cabinet) to third switch module
60, the 4th switch module 70 is controlled, and makes the work of DC charging module 50 in boost mode, decompression mode and to mold filling formula,
To which the direct current that direct-current charge port U2 is exported is carried out boosting processing, decompression handles or is directly inputted into power battery 80,
To charge to power battery 80.The electric machine control system increases DC charging function as a result, makes electric car both can be with
DC charging can be carried out again by carrying out AC charging, improve the versatility of electric car charging, also, the body of DC charging cabinet
Product is smaller, and cost is lower, therefore can reduce the universal cost of electric car, pushes the universal process of electric car.
According to one embodiment of present invention, as shown in figure 3, above-mentioned electric machine control system can also include: pre- mold filling
Block 90.Preliminary filling module 90 is used under the control of controller module before electric machine control system is with the work of AC charging mode
Preliminary filling is carried out to the dc-link capacitance C between the first DC terminal and the second DC terminal of two-way DC/AC module 30.
It specifically, on the one hand can be with the voltage inside systems stabilisation, another party as shown in figure 3, C is bus Support Capacitor
Peak voltage can be absorbed in face.Before electric machine control system is with the work of AC charging mode, the first control of controller module the
Three switch modules 60, preliminary filling module 90 are closed, to carry out preliminary filling to dc-link capacitance C, to prevent in first switch module 20
Closure immediate current is excessive and burns or puncture the component in circuit, after dc-link capacitance C is fully charged, controller mould
Block controls the closure of first switch module 20 again, to charge to power battery 80.
According to one embodiment of present invention, above-mentioned electric machine control system can also include: passively release module, filtering
Module and three-phase equilibrium module.
Wherein, module of passively releasing is in parallel with dc-link capacitance C, for carrying out to the voltage on dc-link capacitance C
Passively release.Filter module and wired in parallel of passively releasing, for absorbing common mode interference.The first end of three-phase equilibrium module and double
It is connected to the first DC terminal of DC/AC module 30, the second direct current of the second end of three-phase equilibrium module and two-way DC/AC module 30
End is connected, and the third end of three-phase equilibrium module is connected to the three-phase alternating current end of two-way DC/AC module 30 by energy-storage module 10, and three
The module that balances each other is for being balanced the three-phase alternating current end voltage of two-way DC/AC module 30.
Specifically, as shown in figure 3, passively module of releasing may include passive bleeder resistance R1, when actively release fail when,
It can be put by passive bleeder resistance R1 a little, to guarantee that high pressure drops in safe operating range.Filter module may include second
Capacitor C2, third capacitor C3, C2, C3 form one group of Y capacitance, to absorb the interference of work mould.Three-phase equilibrium module may include the 4th
Capacitor C4, the 5th capacitor C5 and the 6th capacitor C6 and the 6th switch K6 can pass through the 4th capacitor when imbalance of three-phase voltage
C4, the 5th capacitor C5 and the 6th capacitor C6 even up voltage.
According to one embodiment of present invention, as shown in figure 3, the three-phase alternating current end of two-way DC/AC module 30 passes through energy storage
Module 10 is connected with the other end of first switch module 20.Energy-storage module 10 may include energy storage inductor L, not using inductive current
The characteristic that can be mutated, the peak current for flowing through inductance can be absorbed by energy storage inductor L, play the role of filtering.
According to one embodiment of present invention, as shown in figure 3, third switch module 60 may include: first switch K1 and
Second switch K2.Wherein, the first end of first switch K1 is connected with one end of power battery 80, the second end of first switch K1 with
First DC terminal of two-way DC/AC module 30 is connected.The first end of second switch K2 is connected with the other end of power battery 80, the
The second end of two switch K2 is connected with the second DC terminal of two-way DC/AC module 30.
As shown in figure 3, the 4th switch module 70 may include: third switch K3 and the 4th switch K4.Wherein, third switchs
The first end of K3 is connected with one end of direct-current charge port U2, the second end of third switch K3 and the third end of DC charging module 50
It is connected.The first end of 4th switch K4 is connected with the other end of direct-current charge port U2, and the second end of the 4th switch K4 is filled with direct current
The second end of electric module 50 is connected.
According to one embodiment of present invention, as shown in figure 3, first switch module 20 may include the first threephase switch
K8, K9, K10 and single-phase switch K5, preliminary filling module 90 include the second threephase switch K7 and three-phase preliminary filling resistance R2, three-phase equilibrium mould
Block 120 may include three-phase equilibrium capacitor C4, C5, C6 and third threephase switch K6, wherein controller module is receiving motor drive
When dynamic instruction, control second switch module 40 and third switch module 60 be closed, and control first threephase switch K8, K9, K10,
Single-phase switch K5, the second threephase switch K7, third threephase switch K6 and the 4th switch module 70 are all off, to realize motor
Control system is worked with motor drive mode.
Specifically, single-phase as shown in figure 3, one end of single-phase switch K5 is connected with the neutral terminal of AC charge port U1
The other end of switch K5 is connected by energy-storage module 10 with any terminal at the three-phase alternating current end of two-way DC/AC module 30.It is two-way
DC/AC module 30 may include the first to the 6th switching tube A1-A6, and the first to the 6th switching tube A1-A6 can be IGBT
(Insulated Gate Bipolar Transistor, insulated gate bipolar transistor).Second switch module 40 may include
11st switch K11 and the 12nd switch K12.When controller module receives motor driven instruction, K11, K12, K1, K2 are controlled
Closure, and control that K3, K4, K5, K6, K7, K8, k9, K10 are all off, what two-way DC/AC module 30 exported power battery 80
Direct current is that three-phase alternating current is input to driving motor M through inversion, to power to driving motor M.
According to one embodiment of present invention, as shown in figure 3, when controller module receives AC charging instruction, control
Second switch module 40 and the 4th switch module 70 disconnect, and control the closure of third switch module 60, and the second three-phase of control
Switch K7 and third threephase switch K6 closure is filled to carry out preliminary filling to dc-link capacitance C, and after the completion of preliminary filling if exchanged
Corresponding electricity instruction is three-phase alternating current charging, and controller module then controls the first threephase switch K8-K10 closure, and controls single-phase
Switch K5 is disconnected；If it is single phase ac charging that AC charging instruction is corresponding, controller module if, controls the first threephase switch
A phase and single-phase switch K5 closure in K8-K10.
Specifically, as shown in figure 3, if controller module receives three-phase alternating current charging instruction, first control K3, K4,
K5, K11, K12 are disconnected, and K1, K2 closure, AC charge port U2 are connect with AC charging cabinet, K6, K7 closure, to carry out to C, C6
Preliminary filling, after dc-link capacitance C is fully charged, controller module control again K7 disconnection, and control K8, K9, K10 closure, with into
The charging of row three-phase alternating current.If controller module receives single phase ac charging instruction, it is disconnected to control K3, K4, K9, K11, K12
It opens, K1, K2 closure, AC charge port U2 are connect with AC charging cabinet, K6, K7 closure, to carry out preliminary filling to C, C6, in direct current mother
After line capacitance C is fully charged, controller module controls again not to be connected in K5 and first threephase switch K8, K9, K10 with single-phase switch K5
A phase (i.e. K8 or K10 in Fig. 3) closure, to carry out single phase ac charging.
According to one embodiment of present invention, as shown in figure 3, DC charging module 50 may include: first capacitor C1,
One inductance L1, the first power switch tube Q1 and the second power switch tube Q2.Wherein, one end of first capacitor C1 and third switch K3
Second end be connected, the other end of first capacitor C1 is connected with the second end of the 4th switch K4.Distinguish one end of first inductance L1
It is connected with the second end of one end of first capacitor C1 and third switch K3.One end of first power switch tube Q1 and two-way DC/AC
First DC terminal of module 30 is connected, the other end of the first power switch tube Q1 be connected with one end of the second power switch tube Q2 and
With first node 1, first node 1 is connected with the other end of the first inductance L1, the other end of the second power switch tube Q2 and double
It is connected to the second DC terminal of DC/AC module 30.First power switch tube Q1 and the second power switch tube Q2 can be IGBT.
Further, according to one embodiment of present invention, controller module is when receiving DC charging instruction, judgement
Relationship between charging voltage needed for the operating voltage and power battery of external dc charging equipment.Wherein, if external dc
Charging voltage needed for the operating voltage of charging equipment is less than power battery, controller module control first switch to the 4th switch
K1-K4 closure, and control the second power switch tube Q2 often close, and by control the first power switch tube Q1 duty ratio so that
DC charging module 50 carries out boosting work, to realize that electric machine control system fills power battery 80 with DC boosting charging modes
Electricity.If charging voltage needed for the operating voltage of external dc charging equipment is greater than power battery, controller module control second
Switch K2 and the 4th switch K4 closure, and the first end for controlling third switch K3 is connect with the second end of first switch K2, first
The first end of switch K1 is connect with the second end of third switch K3, and the first power switch tube Q1 of control is often closed, and passes through control
The duty ratio of the second power switch tube Q2 is made so that DC charging module 50 carries out decompression work, with realize electric machine control system with
DC decompression charging modes charge to power battery 80.If the operating voltage of external dc charging equipment is equal to power battery institute
When needing charging voltage, controller module controls first switch K1, second switch K2 and the 4th switch K4 closure, and controls third and open
The first end for closing K3 is connect with the second end of first switch K1, by realize electric machine control system by direct current in a manner of filling to power electric
It charges in pond 80.
Specifically, as shown in figure 3, controller module is when receiving DC charging instruction, if external dc charging is set
Standby operating voltage be less than power battery needed for charging voltage, then use booster circuit, controller module control K5, K6, K7,
K8, K9, K10, K11, K12 are disconnected, and Q2 is often closed, and K1, K2, K3, K4 are attracted, and Q1 is opened to carry out preliminary filling to L1, C1, and preliminary filling terminates
Afterwards, Q1 is disconnected, by the diode continuousing flow of Q2, the duty ratio by controlling Q1 is realized boosts electric current, passes through the liter that L1, C1 are formed
The voltage that external dc charging equipment exports is raised to after charging voltage needed for power battery again to power battery 80 by volt circuit
It charges.
If charging voltage needed for the operating voltage of external dc charging equipment is greater than power battery, using decompression electricity
Road, controller module then control K5, K6, K7, K8, K9, K10, K11, K12 disconnection, and Q1 is often closed, and K2, K4 are attracted, and K3 is connected to A point,
K1 is connected to F point, and Q2 is opened to carry out preliminary filling to L1, C1, after preliminary filling, disconnects Q2, electric current is led to by the diode continuousing flow of Q1
The duty ratio for crossing control Q2 realizes decompression.The voltage for being exported external dc charging equipment by the reduction voltage circuit that L1, C1 are formed
It is reduced to after charging voltage needed for power battery and charges again to power battery 80.
If the operating voltage of external dc charging equipment be equal to power battery needed for charging voltage, controller module if controls
K5, K6, K7, K8, K9, K10, K11, K12 processed are disconnected, and K2, K4 are attracted, and K3 is connected to A point, and K1 is also coupled to A point, external dc charging
Equipment and power battery 80 are directly connected to carry out to filling.
In conclusion electric machine control system according to an embodiment of the present invention, by controller module to first switch module,
Second switch module, third switch module, the 4th switch module and two-way DC/AC module and DC charging module are controlled
So that electric machine control system switches over work between motor drive mode, AC charging mode and DC charging mode, make
Electric car can not only carry out AC charging but also can carry out DC charging, not only increase the versatility of electric car charging,
The universal cost of electric car is also reduced, the universal process of electric car has been pushed.
In addition, the embodiment of the present invention also proposes a kind of electric car comprising above-mentioned electric machine control system.
The electric car of the embodiment of the present invention, by the controller module of above-mentioned electric machine control system to first switch mould
Block, second switch module, third switch module, the 4th switch module and two-way DC/AC module and DC charging module carry out
Control is so that electric machine control system switches over work between motor drive mode, AC charging mode and DC charging mode
Make, make electric car that can not only carry out AC charging but also DC charging can be carried out, not only increases the logical of electric car charging
With property, the universal cost of electric car is also reduced, has pushed the universal process of electric car.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on the figure or
Positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three
It is a etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The interaction relationship of the connection in portion or two elements, unless otherwise restricted clearly.For those of ordinary skill in the art
For, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the present invention unless specifically defined or limited otherwise, fisrt feature in the second feature " on " or " down " can be with
It is that the first and second features directly contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of
First feature horizontal height is higher than second feature.Fisrt feature can be under the second feature " below ", " below " and " below "
One feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiment or examples.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (10)
1. a kind of electric machine control system characterized by comprising
AC charge port, for connecting external communication charging equipment；
One end of first switch module, the first switch module is connected with the AC charge port；
Two-way DC/AC module, the three-phase alternating current end of the two-way DC/AC module and the other end phase of the first switch module
Even；
Second switch module, one end of the second switch module are connected with the three-phase alternating current end of the two-way DC/AC module, institute
The other end for stating second switch module is connected with driving motor；
Direct-current charge port, for connecting external dc charging equipment；
DC charging module, the first end of the DC charging module are connected with the first DC terminal of the two-way DC/AC module,
The second end of the DC charging module is connected with the second DC terminal of the two-way DC/AC module；
One end of third switch module, the third switch module is connected with power battery, the third switch module it is another
End is connected with the first DC terminal of the two-way DC/AC module and the second DC terminal respectively；
One end of 4th switch module, the 4th switch module is connected with the direct-current charge port, the 4th switch module
The other end be connected respectively with the second end of the DC charging module and third end；
Controller module, the controller module are used for the first switch module, the second switch module, the third
Switch module, the 4th switch module and the two-way DC/AC module and the DC charging module are controlled such that
The electric machine control system switches over work between motor drive mode, AC charging mode and DC charging mode.
2. electric machine control system as described in claim 1, which is characterized in that further include:
Preliminary filling module, the preliminary filling module is before the electric machine control system is with the work of AC charging mode, in the control
For the DC bus electricity between the first DC terminal and the second DC terminal to the two-way DC/AC module under the control of device module
Hold and carries out preliminary filling.
3. electric machine control system as claimed in claim 2, which is characterized in that further include:
Passive module of releasing, the module of passively releasing is in parallel with the dc-link capacitance, for the DC bus electricity
Voltage in appearance is passively released；
Filter module, the filter module and the wired in parallel of passively releasing, for absorbing common mode interference；Three-phase equilibrium mould
Block, the first end of the three-phase equilibrium module are connected with the first DC terminal of the two-way DC/AC module, the three-phase equilibrium mould
The second end of block is connected with the second DC terminal of the two-way DC/AC module, and the third end of the three-phase equilibrium module passes through storage
Energy module is connected to the three-phase alternating current end of the two-way DC/AC module, and the three-phase equilibrium module is used for the two-way DC/AC
The three-phase alternating current end voltage of module is balanced.
4. electric machine control system as claimed in any one of claims 1-3, which is characterized in that the third switch module packet
It includes:
First switch, the first end of the first switch are connected with one end of the power battery, and the second of the first switch
End is connected with the first DC terminal of the two-way DC/AC module；
Second switch, the first end of the second switch are connected with the other end of the power battery, and the of the second switch
Two ends are connected with the second DC terminal of the two-way DC/AC module.
5. electric machine control system as claimed in claim 4, which is characterized in that the 4th switch module includes:
The first end of third switch, third switch is connected with one end of the direct-current charge port, the third switch the
Two ends are connected with the third end of the DC charging module；
The first end of 4th switch, the 4th switch is connected with the other end of the direct-current charge port, the 4th switch
Second end is connected with the second end of the DC charging module.
6. electric machine control system as claimed in claim 5, which is characterized in that the DC charging module includes:
First capacitor, one end of the first capacitor are connected with the second end that the third switchs, the first capacitor it is another
It holds and is connected with the second end of the 4th switch；
First inductance, the second end that one end of first inductance is switched with one end of the first capacitor and the third respectively
It is connected；
First power switch tube and the second power switch tube, one end of first power switch tube and the two-way DC/AC mould
First DC terminal of block is connected, the other end of first power switch tube be connected with one end of second power switch tube and
With first node, the first node is connected with the other end of first inductance, second power switch tube it is another
End is connected with the second DC terminal of the two-way DC/AC module.
7. electric machine control system as claimed in claim 6, which is characterized in that the controller module is receiving DC charging
When instruction, judge the external dc charging equipment operating voltage and the power battery needed for pass between charging voltage
System, wherein
If charging voltage needed for the operating voltage of the external dc charging equipment is less than the power battery, the controller
Module controls the first switch and closes the switch to the described 4th, and controls second power switch tube and often close, and pass through
The duty ratio of first power switch tube is controlled so that the DC charging module carries out boosting work, to realize the motor
Control system is with DC boosting charging modes to the power battery charging；
If charging voltage needed for the operating voltage of the external dc charging equipment is greater than the power battery, the controller
Module controls the second switch and the described 4th and closes the switch, and the first end for controlling the third switch is opened with described first
The second end connection of pass, the first end of the first switch connect with the second end that the third switchs, and control described the
One power switch tube is often closed, and the duty ratio by controlling second power switch tube is so that the DC charging module carries out
It is depressured work, to realize the electric machine control system with DC decompression charging modes to the power battery charging；
If charging voltage needed for the operating voltage of the external dc charging equipment is equal to the power battery, the controller
Module controls the first switch, the second switch and the described 4th closes the switch, and controls the first of the third switch
End is connect with the second end of the first switch, by realize the electric machine control system by direct current in a manner of filling to the power electric
Pond charging.
8. electric machine control system as claimed in claim 3, which is characterized in that the first switch module includes that the first three-phase is opened
It closes and single-phase switch, the preliminary filling module includes the second threephase switch and three-phase preliminary filling resistance, the three-phase equilibrium module includes
Three-phase equilibrium capacitor and third threephase switch, wherein
The controller module controls the second switch module and third switch module closes when receiving motor driven instruction
Close, and control first threephase switch, the single-phase switch, second threephase switch, the third threephase switch and
4th switch module is all off, to realize that the electric machine control system is worked with motor drive mode.
9. electric machine control system as claimed in claim 8, which is characterized in that the controller module receives AC charging and refers to
It when enabling, controls the second switch module and the 4th switch module disconnects, and control the third switch module closure, with
And control second threephase switch and the third threephase switch closure with to the dc-link capacitance carry out preliminary filling, and
After the completion of preliminary filling,
If it is three-phase alternating current charging that AC charging instruction is corresponding, controller module if, controls first three-phase
It closes the switch, and controls the single-phase switch and disconnect；
If it is single phase ac charging that AC charging instruction is corresponding, controller module if, controls first three-phase
A phase and single-phase switch closure in switch.
10. a kind of electric car, which is characterized in that including electric machine control system as claimed in any one of claims 1-9 wherein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711465969.6A CN109980711A (en) | 2017-12-28 | 2017-12-28 | Electric car and electric machine control system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711465969.6A CN109980711A (en) | 2017-12-28 | 2017-12-28 | Electric car and electric machine control system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110422066A (en) * | 2019-08-15 | 2019-11-08 | 中国北方车辆研究所 | A kind of vehicle-mounted charging device |
| CN111806267A (en) * | 2020-07-27 | 2020-10-23 | 哈尔滨工业大学 | Electric automobile traction-bidirectional charging system based on quadruple staggered parallel DC/DC |
| CN112277671A (en) * | 2019-07-22 | 2021-01-29 | 比亚迪股份有限公司 | Electric automobile and charging control system thereof |
| CN112445546A (en) * | 2019-08-31 | 2021-03-05 | 比亚迪股份有限公司 | Electric vehicle, process management method and device thereof, storage medium and electronic equipment |
| CN112550023A (en) * | 2020-11-24 | 2021-03-26 | 广州橙行智动汽车科技有限公司 | Electric automobile electric integration device and method and electric automobile |
| CN114268222A (en) * | 2021-12-10 | 2022-04-01 | 中国北方车辆研究所 | Method for realizing bidirectional DC/DC for composite power supply |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2493048A1 (en) * | 2004-01-15 | 2005-07-15 | Comarco Wireless Technologies, Inc. | Dc power source determination circuitry for use with an adapter |
| CN202106836U (en) * | 2011-04-27 | 2012-01-11 | 上海汽车集团股份有限公司 | Hybrid charging vehicle |
| CN202142879U (en) * | 2011-06-07 | 2012-02-08 | 天宝电子（惠州）有限公司 | Vehicle-mounted charging system for electric vehicle |
| CN103187758A (en) * | 2011-12-31 | 2013-07-03 | 比亚迪股份有限公司 | Charging system for electric automobile and electric automobile with same |
| US20140132067A1 (en) * | 2012-11-14 | 2014-05-15 | Samsung Electronics Co., Ltd. | Power transmission apparatuses |
| CN105680525A (en) * | 2016-04-06 | 2016-06-15 | 国网电力科学研究院武汉南瑞有限责任公司 | A charging vehicle power supply system based on mixed buses and a control method thereof |
-
2017
- 2017-12-28 CN CN201711465969.6A patent/CN109980711A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2493048A1 (en) * | 2004-01-15 | 2005-07-15 | Comarco Wireless Technologies, Inc. | Dc power source determination circuitry for use with an adapter |
| CN202106836U (en) * | 2011-04-27 | 2012-01-11 | 上海汽车集团股份有限公司 | Hybrid charging vehicle |
| CN202142879U (en) * | 2011-06-07 | 2012-02-08 | 天宝电子（惠州）有限公司 | Vehicle-mounted charging system for electric vehicle |
| CN103187758A (en) * | 2011-12-31 | 2013-07-03 | 比亚迪股份有限公司 | Charging system for electric automobile and electric automobile with same |
| US20140132067A1 (en) * | 2012-11-14 | 2014-05-15 | Samsung Electronics Co., Ltd. | Power transmission apparatuses |
| CN105680525A (en) * | 2016-04-06 | 2016-06-15 | 国网电力科学研究院武汉南瑞有限责任公司 | A charging vehicle power supply system based on mixed buses and a control method thereof |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112277671A (en) * | 2019-07-22 | 2021-01-29 | 比亚迪股份有限公司 | Electric automobile and charging control system thereof |
| CN112277671B (en) * | 2019-07-22 | 2022-05-13 | 比亚迪股份有限公司 | Electric automobile and charging control system thereof |
| CN110422066A (en) * | 2019-08-15 | 2019-11-08 | 中国北方车辆研究所 | A kind of vehicle-mounted charging device |
| CN112445546A (en) * | 2019-08-31 | 2021-03-05 | 比亚迪股份有限公司 | Electric vehicle, process management method and device thereof, storage medium and electronic equipment |
| CN112445546B (en) * | 2019-08-31 | 2022-10-18 | 比亚迪股份有限公司 | Electric vehicle, process management method and device thereof, storage medium and electronic equipment |
| CN111806267A (en) * | 2020-07-27 | 2020-10-23 | 哈尔滨工业大学 | Electric automobile traction-bidirectional charging system based on quadruple staggered parallel DC/DC |
| CN111806267B (en) * | 2020-07-27 | 2022-09-06 | 哈尔滨工业大学 | Electric automobile traction-bidirectional charging system based on quadruple staggered parallel DC/DC |
| CN112550023A (en) * | 2020-11-24 | 2021-03-26 | 广州橙行智动汽车科技有限公司 | Electric automobile electric integration device and method and electric automobile |
| CN114268222A (en) * | 2021-12-10 | 2022-04-01 | 中国北方车辆研究所 | Method for realizing bidirectional DC/DC for composite power supply |
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