CN102303540A - Motor driving control device for electric vehicle - Google Patents

Motor driving control device for electric vehicle Download PDF

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Publication number
CN102303540A
CN102303540A CN201110158523A CN201110158523A CN102303540A CN 102303540 A CN102303540 A CN 102303540A CN 201110158523 A CN201110158523 A CN 201110158523A CN 201110158523 A CN201110158523 A CN 201110158523A CN 102303540 A CN102303540 A CN 102303540A
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motor
inverter
battery
winding
control device
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郭秋鉴
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Individual
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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
    • Y02T10/64—Electric machine technologies in electromobility
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/72—Electric energy management in electromobility

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  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

The invention discloses a motor driving control device for an electric vehicle. The motor driving control device comprises a battery (1), a bus capacitor (2), a pre-charging device (3), an inverter (4), a motor (5) and a socket (7), wherein the battery (1) is connected in parallel with the bus capacitor (2) and is then connected with the inverter (4) for supplying power to the inverter (4). The motor driving control device is characterized in that the motor (5) is an N phase; two ends of each phase of winding of the motor (5) are respectively marked as A1, A2,......, A1,......, AN and X1, X2,......, X1,......, XN; multiphase windings of A1X1,......, A1X1,......, ANXN are symmetrically distributed in space; two ends A1 and X1 of the winding of the motor (5) ate respectively used as lead-out terminals for leading out; one ends A1, A2,......, A1,......, AN are in one-to-one correspondence connection with a midpoint of each single-phase bridge arm of the inverter (4); the other ends X1, X2,......, X1,...... and XN lead-out terminals are connected with the socket or electric connectors in other forms and are suspended, wherein N is a natural number more than or equal to 3; and i is a natural number more than or equal to 1 and less than or equal to N.

Description

The motor drive control device of elec. vehicle
Technical field
The present invention relates to the motor drive control device of elec. vehicle, particularly the motor drive control device of elec. vehicles such as pure electric vehicle, plug-in electromobile, Electrical Bicycle and battery-operated motor cycle.
Background technology
Along with the concern of the whole society to the energy and environmental problem; Elec. vehicle more and more receives people's attention; Present domestic Electrical Bicycle is production and selling in bulk; Pure electric automobile and plug-in hybrid-power automobile rely on its fuel economy and emission behavior preferably, are considered to the direction of following development of automobile.Pure electric automobile and plug-in hybrid-power automobile are that main power source is supplied with electric energy all; Therefore these vehicles battery of all being furnished with larger capacity carries out energy storage; Simultaneously be equipped with vehicle-borne battery charger essentially, can have charged for battery anywhere or anytime.At present, the vehicle-mounted charge machine all is independent AC/DC, and it is that battery charges that the three-phase alternating current civil power is converted into direct current (DC), exists the shortcoming that the little charging of power is slow, take car load space, increase car weight, increase integral vehicle cost.Simultaneously, mostly this battery charger is unidirectional AC/DC, can only realize the charging of electrical network to battery, and future with the energy storage device of electronlmobil as electrical network, also need the battery discharge feedback grid, need battery charger to possess the function of combining inverter simultaneously.The present invention has overcome above-mentioned shortcoming, and vehicle-borne electric machine controller is transformed, and makes its function with parallel network reverse that can realize charging.
Summary of the invention
The objective of the invention is to overcome the shortcoming of prior art, a kind of elec. vehicle motor drive control device with charge function is provided.
Elec. vehicle motor driver of the present invention has the form of scheme one, comprises a battery, a pre-charging device, a bus capacitor, an inverter, a motor, a socket; Wherein battery is parallelly connected with bus capacitor through pre-charging device, and the parallel connection back links to each other with inverter, is inverter power supply; Motor has the N phase winding, and inverter (4) has N brachium pontis.Every phase winding two ends of motor are designated as A respectively 1, A 2..., A i..., A NAnd X 1, X 2..., X i..., X N, and winding A 1X 1, A 2X 2, A iX i..., A NX NThe space is symmetrically distributed, the winding ends A of motor 1, A 2..., A i..., A NAnd X 1, X 2..., X i..., X NAll draw an end A wherein as leading-out terminal 1, A 2..., A i..., A NLink to each other other end X with the mid point of each single-phase brachium pontis of inverter respectively 1, X 2..., X i..., X NBe connected to socket or other forms of electric coupler and unsettled, wherein, N is the natural number more than or equal to 3, and i is more than or equal to 1 and smaller or equal to the natural number of N.Motor among the present invention can be any type of alternating current dynamo, like reluctance motor, magneto-electric machine or asynchronous dynamo, can be three phase alternating current motor, also can be multi-phase AC motor.
Device of the present invention: when automobile normal running, motor driver is that car load provides machinery output as propulsion source, and this moment is with the winding terminal X of motor 1, X 2..., X i..., X NShort circuit, motor connects the winding electric machine normal operation as a star.
When automobile is in the Parking state, when battery need charge, motor driver was as battery charger work.On the one hand the brake gear through car load or other Locking Devices do not change the rotor of motor is fixing, on the other hand, and with winding terminal X 1, X 2..., X i..., X NLink to each other with source of AC respectively, this moment, inverter was controlled as a controllable rectifying device, was that the direct current (DC) of voltage controlled is a battery charge with AC rectification.When battery need discharge feedback grid, on the one hand the brake gear through car load or other Locking Devices did not change the rotor of motor is fixing, on the other hand, and X 1, X 2..., X i..., X NLinking to each other with source of AC, is input electrical network or other power supplys behind the alternating current with the direct current (DC) of battery through the inverter inversion.
When motor is a three phase alternating current motor, the charge power supply that is provided is during also for three phase mains, then the leading-out terminal X of motor 1, X 2, X 3Be connected correspondingly with three phase mains respectively; When motor is a three phase alternating current motor, when the charge power supply that is provided is two-phase power supply, leading-out terminal X 1, X 2, X 3Optional two terminals are connected with two-phase power supply.
Suppose number of motor phases N, the power supply number of phases is M, when the number of phases of the number of phases M of motor and the charge power supply N that provides is identical, can according to leading-out terminal one by one correspondence connect; Promptly, can from the leading-out terminal N of motor, select M arbitrarily and be connected with power supply as the number of phases N of motor during greater than the number of phases M of the charge power supply that provides; As the number of phases N of motor during, can choose out N wantonly mutually from the M of power supply and be connected with the leading-out terminal of motor less than the number of phases M of the charge power supply that provides; But need to guarantee to have at least two motor leading-out terminals to be connected with power supply respectively.
When motor is a magneto-electric machine, when motor is operated at a high speed weak magnetic state as propulsion source, at inverter (4) guard mode appears, when binistor all quits work, through the winding terminal X with motor 1, X 2..., X i..., X NBreak off, prevent that the counter potential of motor from causing damage to inverter and electric capacity, actuating device is protected.
Elec. vehicle motor driver of the present invention also has the form of scheme two, comprises a battery, a pre-charging device, a bus capacitor, an inverter, a motor, a socket; Wherein battery is parallelly connected with bus capacitor through pre-charging device, and the parallel connection back links to each other with inverter, is inverter power supply; Motor has the N phase winding, and inverter (4) has N brachium pontis.Every phase winding two ends of motor are designated as A respectively 1, A 2..., A i..., A NAnd X 1, X 2..., X i..., X N, and winding A 1X 1..., A iX i..., A NX NThe space is symmetrically distributed, the winding ends A of motor 1, A 2..., A i..., A NAnd X 1, X 2..., X i..., X NAll draw an end A wherein as leading-out terminal 1, A 2..., A i..., A NBe divided into two-way, wherein one the tunnel links to each other with the mid point of each single-phase brachium pontis of inverter, and another pass goes out and is connected to socket or other forms of electric coupler and unsettled; The other end X of winding 1, X 2..., X i..., X NBe connected to aforesaid socket or other forms of electric coupler and unsettled.Motor among the present invention can be any type of alternating current dynamo, like reluctance motor, magneto-electric machine or asynchronous dynamo.Can be three phase alternating current motor, also can be multi-phase AC motor.
Device of the present invention: when automobile normal running, motor driver is that car load provides machinery output as propulsion source, and this moment is with the leading-out terminal A of machine winding 1, A 2..., A i..., A NRespectively and X 1, X 2..., X i..., X NShort circuit in order, i.e. A 1With X 2Short circuit, A 2With X 3Short circuit ..., A iWith X I+1Short circuit ..., A N-1With X NShort circuit, A NWith X 1Short circuit, motor is as a corner connection winding electric machine normal operation.
When automobile is in the Parking state, when battery need charge, motor driver was as battery charger work.On the one hand the brake gear through car load or other Locking Devices do not change the rotor of motor is fixing, on the other hand, and with winding terminal X 1, X 2..., X i..., X NLink to each other with source of AC respectively, this moment, inverter was controlled as a controllable rectifying device, was that the direct current (DC) of voltage controlled is a battery charge with AC rectification.When battery need discharge feedback grid, on the one hand the brake gear through car load or other Locking Devices did not change the rotor of motor is fixing, on the other hand, and X 1, X 2..., X i..., X NLinking to each other with source of AC, is input electrical network or other power supplys behind the alternating current with the direct current (DC) of battery through the inverter inversion.
When motor is a three phase alternating current motor, the charge power supply that is provided is during also for three phase mains, then the leading-out terminal X of motor 1, X 2, X 3Be connected correspondingly with three phase mains respectively; When motor is a three phase alternating current motor, when the charge power supply that is provided is two-phase power supply, leading-out terminal X 1, X 2, X 3Optional two are connected with two-phase power supply.
Suppose number of motor phases N, the power supply number of phases is M, when the number of phases of the number of phases N of motor and the charge power supply M that provides is identical, can according to leading-out terminal one by one correspondence connect; Promptly, can from the leading-out terminal N of motor, select M arbitrarily and be connected with power supply as the number of phases N of motor during greater than the number of phases M of the charge power supply that provides; As the number of phases N of motor during, can choose out N wantonly mutually from the M of power supply and be connected with the leading-out terminal of motor less than the number of phases M of the charge power supply that provides; But need to guarantee to have at least two motor leading-out terminals to be connected with power supply respectively.
When motor is a magneto-electric machine, when motor is operated at a high speed weak magnetic state as propulsion source, at inverter guard mode appears, when binistor all quits work, through the winding terminal A with motor 1, A 2..., A i..., A NRespectively and X 1, X 2..., X 1..., X NOpen circuit in order, i.e. A 1With X 2Open circuit, A 2With X 3Open circuit ..., A iWith X I+1Open circuit ..., A N-1With X NOpen circuit A NWith X 1Open circuit, prevent that the counter potential of motor from causing damage to inverter and electric capacity, actuating device is protected.
Device of the present invention need not to increase system cost, only motor is simply transformed, and can realize electrically-charged function, and than common vehicle-mounted charge facility bigger charge power is arranged, and can realize the electric energy feedback function of inversion grid connection.Beneficial effect of the present invention is following:
1. compare with traditional charge independence machine, device of the present invention is simplified the structure of car load, has saved the charge independence machine, improves the degree of utilization of inverter, has improved system reliability, has saved the space, has alleviated complete vehicle weight.
2. compare with traditional independent vehicle-mounted charge machine, device of the present invention has bigger capacity, can realize high-performance fast charge, saves charging duration, practices thrift social resources.
3. compare with traditional independent vehicle-mounted charge machine, device of the present invention has reduced system cost, has improved the performance of car load.
4. device of the present invention not only can be realized the charging of battery, also can realize the function of inversion grid connection.Be fit to the closed-centre system of following electronlmobil, frequent occasion to the electrical network feedback energy as electrical network.
5. device of the present invention is identical with traditional motor driven systems when normal the use, and transforms simply, can on existing pure electric vehicle and plug-in hybrid-power automobile, transform.
6. device of the present invention can carry out the high speed lost-control protection when motor is magneto-electric machine.
Description of drawings
Fig. 1 is the scheme drawing according to the elec. vehicle motor drive control device with the function of discharging and recharging of first embodiment of the invention;
Fig. 2 is according to the machine winding of the elec. vehicle motor drive control device of the first embodiment of the invention scheme drawing of arranging;
Fig. 3 is the machine winding charging socket scheme drawing according to the elec. vehicle motor drive control device of first embodiment of the invention;
Fig. 4 is and machine winding plug line scheme drawing according to the elec. vehicle motor drive control device of first embodiment;
Fig. 5 is the annexation scheme drawing when working as propulsion source according to the elec. vehicle motor drive control device of first embodiment of the invention;
Fig. 6 is the annexation scheme drawing when working as battery charger according to the elec. vehicle motor drive control device of first embodiment of the invention;
Fig. 7 is the scheme drawing of the elec. vehicle motor drive control device with the function of discharging and recharging according to a second embodiment of the present invention;
Fig. 8 is according to the machine winding of the elec. vehicle motor drive control device of the second embodiment of the invention scheme drawing of arranging;
Fig. 9 is the machine winding charging socket scheme drawing according to the elec. vehicle motor drive control device of second embodiment of the invention;
Figure 10 is and machine winding plug line scheme drawing according to the elec. vehicle motor drive control device of second embodiment of the invention;
Figure 11 is the annexation scheme drawing when working as propulsion source according to the elec. vehicle motor drive control device of second embodiment of the invention;
Figure 12 is the annexation scheme drawing when working as battery charger according to the elec. vehicle motor drive control device of second embodiment of the invention;
The specific embodiment
Elec. vehicle motor drive control device of the present invention comprises battery, inverter and motor.Below, describe elec. vehicle motor drive control device in detail in conjunction with accompanying drawing according to the embodiment of the invention.
Fig. 1 is the scheme drawing according to the elec. vehicle motor drive control device with the function of discharging and recharging of first embodiment of the invention.
As shown in Figure 1, elec. vehicle motor driver of the present invention comprises 5, one sockets 7 of 4, one motors of 2, one inverters of 3, one bus capacitors of 1, one pre-charging device of a battery; Wherein battery 1 is parallelly connected with bus capacitor 2 through pre-charging device 3, and the parallel connection back links to each other with the both positive and negative polarity of inverter 4, is inverter 4 power supplies.
Fig. 2 is according to the machine winding of the elec. vehicle motor drive control device of the first embodiment of the invention scheme drawing of arranging; Fig. 3 is the machine winding charging socket scheme drawing according to the elec. vehicle motor drive control device of first embodiment of the invention; Fig. 4 is and machine winding plug line scheme drawing according to the elec. vehicle motor drive control device of first embodiment; Fig. 5 be according to first embodiment of the invention the annexation scheme drawing of elec. vehicle motor drive control device when working as propulsion source; Fig. 6 be according to first embodiment of the invention the annexation scheme drawing of elec. vehicle motor drive control device when working as battery charger.
In first embodiment, be example with the three phase electric machine.As shown in Figure 2, every phase winding two ends of motor 5 are designated as A respectively 1, A 2, A 3And X 1, X 2, X 3(A wherein 1, A 2, A 3And X 1, X 2, X 3Be respectively the cooresponding two ends of a phase winding, and winding A 1X 1, A 2X 2, A 3X 3The space is symmetrically distributed), the winding ends A of motor 5 1, A 2, A 3And X 1, X 2, X 3All draw an end A wherein as leading-out terminal 1, A 2, A 3Link to each other other end X correspondingly with the mid point of each single-phase brachium pontis of inverter 4 respectively 1, X 2, X 3Unsettled, be connected on the charging socket 8 of automobile.Motor 5 among the present invention can be any type of alternating current dynamo, like reluctance motor, magneto-electric machine or asynchronous dynamo.
In first embodiment, the structural representation of charging socket is as shown in Figure 3, and socket 8 shown in Figure 3 has three jacks, winding exit X 1, X 2, X 3Link to each other with three jacks of socket 8 respectively.In first embodiment, as shown in Figure 4 with the plug 9 that socket 8 is supporting, plug 9 have three contact pins respectively with the jack X of socket 8 1, X 2, X 3Corresponding, three contact pins of plug 9 are by the conductor short circuit.
If plug shown in Figure 49 is inserted socket 8 shown in Figure 3, then the winding terminal X shown in Fig. 2 1, X 2, X 3The star that short circuit, motor 5 become a standard connects the winding three-phase motor.If with X 1, X 2, X 3Be connected with three phase mains respectively, then motor 5 becomes a three pole reactor.
Fig. 5 be according to first embodiment of the invention the annexation scheme drawing of elec. vehicle motor drive control device when working as propulsion source.At this moment, plug 9 inserts in the socket 8, with the winding terminal X of motor 5 1, X 2, X 3Short circuit, motor 5 connects the winding electric machine normal operation as a star, and when automobile normal running, motor driver is that car load provides machinery output as propulsion source.
As shown in Figure 6, when automobile is in the Parking state, when battery 1 needed charging, the elec. vehicle motor drive control device was as battery charger work.On the one hand the brake gear through car load or other Locking Devices do not change the rotor of motor 5 is fixing, on the other hand, and with winding terminal X 1, X 2, X 3Link to each other with source of AC respectively, be about to source of AC 6 and link to each other with socket 8, this moment, controllable rectifying device of conduct of inverter was controlled, and was that the direct current (DC) of voltage controlled is that battery 1 charges with AC rectification.When battery 1 needed the discharge feedback grid, the brake gear through car load or other Locking Devices did not change the rotor of motor 5 is fixing on the one hand, on the other hand, and X 1, X 2, X 3Link to each other with source of AC, the direct current (DC) of battery 1 is input electrical network or other source of ACs 6 behind the alternating current through inverter 4 inversions.Source of AC 6 is a three-phase among Fig. 6, respectively with X 1, X 2, X 3Connect; When source of AC 6 is two phase times, at winding terminal X 1, X 2, X 3In optional two be connected with source of AC 6.
Motor 5 is a magneto-electric machine in described device especially, when motor is operated at a high speed weak magnetic state as propulsion source, when guard mode appears in inverter, when binistor all quits work, through the winding terminal X with motor 5 1, X 2, X 3Break off, prevent that the counter potential of motor from causing damage to inverter and electric capacity, actuating device is protected.
Fig. 7 is the scheme drawing according to the elec. vehicle motor drive control device with the function of discharging and recharging of second embodiment of the invention.As shown in Figure 7, elec. vehicle motor driver of the present invention comprises 5, one sockets 7 of 4, one motors of 2, one inverters of 3, one bus capacitors of 1, one pre-charging device of a battery; Wherein battery 1 is parallelly connected with bus capacitor 2 through pre-charging device 3, and the parallel connection back links to each other with the both positive and negative polarity of inverter 4, is inverter 4 power supplies.
Fig. 8 is according to the machine winding of the elec. vehicle motor drive control device of the second embodiment of the invention scheme drawing of arranging; Fig. 9 is the machine winding charging socket scheme drawing according to the elec. vehicle motor drive control device of second embodiment of the invention; Figure 10 is and machine winding plug line scheme drawing according to the elec. vehicle motor drive control device of second embodiment; Figure 11 is the annexation scheme drawing when working as propulsion source according to the elec. vehicle motor drive control device of second embodiment of the invention; Figure 12 is the annexation scheme drawing when working as battery charger according to the elec. vehicle motor drive control device of second embodiment of the invention.
In second exemplary embodiment, still be example with the three phase electric machine.As shown in Figure 8, every phase winding two ends of the motor 5 of elec. vehicle motor driver of the present invention are designated as A respectively 1, A 2, A 3And X 1, X 2, X 3(A wherein 1, A 2, A 3And X 1, X 2, X 3Be respectively the cooresponding two ends of a phase winding, and winding A 1X 1, A 2X 2, A 3X 3The space is symmetrically distributed), the winding ends A of motor 5 1, A 2, A 3And X 1, X 2, X 3All draw as leading-out terminal.Motor among the present invention can be any type of alternating current dynamo, like reluctance motor, magneto-electric machine or asynchronous dynamo.If motor shown in Figure 8 is with winding terminal A 1And X 2, A 2And X 3, A 3And X 1Short circuit, motor 5 become the corner connection winding three-phase motor of a standard.If with X 1, X 2, X 3Be connected with three phase mains respectively, then motor 5 becomes a three pole reactor.
The structural representation of the charging socket 7 in second exemplary embodiment is as shown in Figure 9, and the socket 10 among Fig. 9 has 6 jacks, respectively with the A of machine winding 1, A 2, A 3, X 1, X 2, X 3Link to each other.Though; Socket shown in Fig. 9 is circular, and the two end terminals of winding is staggered, still; Socket of the present invention is not limited to circle; Jack also is not limited to arrange with form of annular rings, and the terminal at winding two ends also can be arranged as two row or two row side by side, as long as can realize the terminal short circuit between any two with the winding two ends.Plug 11 in second exemplary embodiment is shown in figure 10, and 6 contact pins are arranged, and 6 jacks with socket 10 are corresponding one by one respectively, three section leads is arranged respectively with 6 contact short circuits in twos, to realize A 1And X 2, A 2And X 3, A 3And X 1Short circuit in twos.
In device shown in Figure 7, an end A of motor 5 1, A 2, A 3Draw two-way respectively, wherein one the tunnel links to each other with the mid point of each single-phase brachium pontis of inverter 4, and another pass goes out and is connected on the charging socket 10 of automobile; The other end X of winding 1, X 2, X 3Unsettled, and be connected on the charging socket 10 of automobile, therefore, 6 contacts are arranged on the socket 10, as shown in Figure 9.
Shown in figure 11, the described device of second exemplary embodiment according to the present invention, when automobile normal running, motor driver is that car load provides machinery output as propulsion source, insert socket 10 with plug 11 this moment, with the leading-out terminal A of machine winding 1, A 2, A 3In order and X 1, X 2, X 3Short circuit, i.e. A 1With X 2Short circuit, A 2With X 3Short circuit, A 3With X 1Short circuit, motor is as a corner connection winding electric machine normal operation.
Shown in figure 12, according to second exemplary embodiment, when automobile is in the Parking state, when battery 1 needed charging, the elec. vehicle motor drive control device was as battery charger work.On the one hand the brake gear through car load or other Locking Devices do not change the rotor of motor 5 is fixing, on the other hand, and with winding terminal X 1, X 2, X 3Link to each other with source of AC 6 respectively, be about to three-phase alternating-current supply 6 plug insertion sockets 9, this moment, inverter 4 was controlled as a controllable rectifying device, was that the direct current (DC) of voltage controlled is battery 1 charging with AC rectification.When battery 1 needed the discharge feedback grid, the brake gear through car load or other Locking Devices did not change the rotor of motor 5 is fixing on the one hand, on the other hand, and X 1, X 2, X 3Link to each other with source of AC, be about to source of AC 6 and link to each other with socket 10, the direct current (DC) of battery is to import electrical network or source of AC 6 behind the alternating current through inverter 4 inversions.Source of AC 6 is a three-phase among Figure 12, respectively at X 1, X 2, X 3Connect; When source of AC 6 is two phase times, at winding terminal X 1, X 2, X 3In optional two be connected with source of AC 6.
Be magneto-electric machine at motor especially, when motor is operated at a high speed weak magnetic state as propulsion source, when guard mode appears in inverter, when binistor all quits work, through winding terminal A with motor 1, A 2, A 3Respectively and X 1, X 2, X 3Open circuit in order, i.e. A 1With X 2Open circuit A 2With X 3Open circuit A 3With X 1Open circuit, prevent that the counter potential of motor from causing damage to inverter and electric capacity, actuating device is protected.
In the above among the embodiment, though with the form of socket 8 and 10 with winding terminal A 1, A 2, A 3, X 1, X 2, X 3Draw, still, also can adopt other modes to draw, for example, electric coupler as long as realized identical functions, is the replacement that is equal to of socket in the embodiment of the invention.
In the above among the embodiment, though with the form of pre-charging device 3 with battery 1 and electric capacity 2 parallel connections,, also can adopt other modes, for example, the DC-DC changer as long as realized identical functions, is the replacement that is equal to of pre-charging device in the embodiment of the invention.
Though be that example is described in the above embodiments with the three phase electric machine, the invention is not restricted to three phase electric machine.Be that example is described with N phase motor below, wherein, N is the natural number more than or equal to 3.
When adopting N phase motor, first end of N phase winding is used A 1, A 2..., A i..., A NExpression, second end is used X 1, X 2..., X i..., X NExpression, wherein, i is more than or equal to 1 and smaller or equal to the natural number of N.At this moment, inverter 4 has N brachium pontis, respectively with N terminal A of winding 1, A 2..., A i..., A NConnect.
When motor 5 is star connection, with X 1, X 2..., X i..., X NDraw and be connected on the socket, have N jack on the socket, cooresponding plug has the N contact pin, and all short circuits.When automobile normal running, the plug of N contact pin inserts in the socket of N jack, with the winding terminal X of motor 1, X 2..., X i..., X NShort circuit, motor connects the winding electric machine normal operation as a star, and motor driver is that car load provides machinery output as propulsion source.When automobile is in the Parking state, when battery 1 needed charging, the elec. vehicle motor drive control device was as battery charger work, and the brake gear through car load or other Locking Devices do not change the rotor of motor 5 is fixing on the one hand, on the other hand X 1, X 2..., X i..., X NIn any M terminal be connected with M cross streams power supply 6, M is the number of phases of source of AC 6, for example is two-phase power supply or three-phase alternating-current supply, so M is for more than or equal to 2 and be less than or equal to the natural number of N.This moment, inverter 4 was controlled as a controllable rectifying device, was that the direct current (DC) of voltage controlled is battery 1 charging with AC rectification.When battery 1 needed the discharge feedback grid, the brake gear through car load or other Locking Devices did not change the rotor of motor 5 is fixing on the one hand, on the other hand, and X 1, X 2..., X i..., X NIn M terminal link to each other with M cross streams power supply 6, the direct current (DC) of battery is input electrical network or a source of AC 6 behind the alternating current through inverter 4 inversions.
When the winding corner connection of motor 5 connects, the first end A of winding terminal 1, A 2..., A i..., A NWith the second end X 1, X 2..., X i..., X NAll be connected on the socket, socket has 2N jack.Supporting plug is with A 1With X 2Short circuit, A 2With X 3Short circuit, A iWith X I+1Short circuit ..., A N-1With X NShort circuit, A NWith X 1Short circuit.When automobile normal running, said plug inserts said socket.When automobile is in the Parking state, X 1, X 2..., X i..., X NIn M terminal be connected with M cross streams power supply 6, M is the number of phases of source of AC 6, for example is two-phase power supply or three-phase alternating-current supply, so M is for more than or equal to 2 and be less than or equal to the natural number of N.
Specifically, when motor is a three phase alternating current motor, when the charge power supply that is provided is two-phase power supply, leading-out terminal X 1, X 2, X 3Optional two terminals are connected with two-phase power supply; Suppose number of motor phases N, the power supply number of phases is M, when the number of phases of the number of phases N of motor and the charge power supply M that provides is identical, can according to leading-out terminal one by one correspondence connect; Promptly, can from the leading-out terminal N of motor, select M arbitrarily and be connected with power supply as the number of phases N of motor during greater than the number of phases M of the charge power supply that provides; As the number of phases N of motor during, can choose out N wantonly mutually from the M of power supply and be connected with the leading-out terminal of motor less than the number of phases M of the charge power supply that provides; But need to guarantee to have at least two motor leading-out terminals to be connected with power supply respectively.
Though combined specific embodiment to describe the present invention,, under the situation that does not break away from spirit of the present invention and principle, any modification of having done all falls in protection scope of the present invention.

Claims (10)

1. the motor drive control device of an elec. vehicle comprises a battery (1), a bus capacitor (2), a pre-charging device (3), an inverter (4), a motor (5), a socket (7); Battery (1) is in parallel through pre-charging device (3) and bus capacitor (2), and the parallel connection back links to each other with inverter (4), is inverter (4) power supply; It is characterized by: motor (5) has the N phase winding, and inverter (4) has N brachium pontis, and the two ends of every phase winding of motor (5) are designated as A respectively 1, A 2..., A i..., A NAnd X 1, X 2..., X i..., X N, a plurality of winding A 1X 1, A 2X 2, A iX i..., A NX NThe space is symmetrically distributed, and all draw as leading-out terminal at the winding two ends of motor (5), an end A wherein 1, A 2..., A i..., A NLink to each other other end X correspondingly with the mid point of each single-phase brachium pontis of inverter (4) respectively 1, X 2..., X i..., X NLeading-out terminal is connected to socket (7) or other forms of electric coupler and unsettled, and wherein, N is the natural number more than or equal to 3, and i is more than or equal to 1 and smaller or equal to the natural number of N.
2. motor drive control device as claimed in claim 1 is characterized by: when motor driver is worked as propulsion source, with the winding terminal X of motor (5) 1, X 2..., X i..., X NShort circuit, motor (5) connects the winding electric machine normal operation as a star; When battery (1) needed charging, motor driver was as battery charger work, X 1, X 2..., X i..., X NLink to each other with source of AC (6), the alternating current of source of AC is to be battery (1) charging behind the direct current (DC) through inverter (4) rectification; When battery (1) needed discharge, motor driver was as battery charger work, X 1, X 2..., X i..., X NLink to each other with source of AC, the direct current (DC) of battery (1) is input electrical network or other source of ACs behind the alternating current through inverter (4) inversion.
3. according to claim 1 or claim 2 motor drive control device is characterized by: when battery (1) needed charging or discharges, motor driver was as battery charger work, winding terminal X 1, X 2..., X i..., X NIn at least two link to each other with source of AC.
4. according to claim 1 or claim 2 motor drive control device; It is characterized by: motor (5) is a magneto-electric machine, and when motor was operated at a high speed weak magnetic state as propulsion source, guard mode appearred in inverter (4); When binistor all quits work, through winding terminal X with motor (5) 1, X 2..., X i..., X NBreak off, prevent that the counter potential of motor (5) from causing damage to inverter (4) and electric capacity (2), actuating device is protected.
5. according to claim 1 or claim 2 motor drive control device, it is characterized by: said motor driver also comprises a socket, said socket has N contact pin, between the said N contact pin through the mutual short circuit of conductor.
6. the motor driver of an elec. vehicle comprises at least one battery (1), a pre-charging device (3), a bus capacitor (2), an inverter (4), a motor (5), a socket (7); Wherein battery (1) is parallelly connected with bus capacitor (2) through pre-charging device (3), and the parallel connection back links to each other with inverter (4), is inverter (4) power supply; It is characterized by: motor (5) has the N phase winding, and inverter (4) has N brachium pontis, and the two ends of every phase winding of motor (5) are designated as A respectively 1, A 2..., A i..., A NAnd X 1, X 2..., X i..., X N, winding A 1X 1, A 2X 2, A iX i..., A NX NThe space is symmetrically distributed, and all draw as leading-out terminal at every phase winding two ends of motor (5), an end A wherein 1, A 2..., A i..., A NBe divided into two-way, wherein one the tunnel links to each other the other end X of another road and winding correspondingly with the mid point of each single-phase brachium pontis of inverter (4) 1, X 2..., X i..., X NBe connected to socket (7) or other forms of electric coupler and unsettled simultaneously, wherein, N is the natural number more than or equal to 3, and i is more than or equal to 1 and smaller or equal to the natural number of N.
7. the described motor drive control device of claim 6 is characterized by: when motor driver is worked as propulsion source, with the winding terminal A of motor (5) 1, A 2..., A i..., A NRespectively and X 1, X 2..., X i..., X NShort circuit in order, i.e. A 1With X 2Short circuit, A 2With X 3Short circuit, A iWith X I+1Short circuit ..., A N-1With X NShort circuit, A NWith X 1Short circuit, motor (5) is as a corner connection winding electric machine normal operation; When battery (1) needed charging, motor driver was as battery charger work, X 1, X 2..., X i..., X NLink to each other with source of AC (6), the alternating current of source of AC is to be battery (1) charging behind the direct current through inverter (4) rectification; When battery (1) needed discharge, motor driver was as battery charger work, X 1, X 2..., X i..., X NLink to each other with source of AC, the direct current (DC) of battery (1) is input electrical network or other source of ACs behind the alternating current through inverter (4) inversion.
8. claim 6 or 7 described motor drive control device is characterized by: when battery (1) needed charging or discharges, motor driver was as battery charger work, winding terminal X 1, X 2..., X i..., X NIn at least two link to each other with source of AC.
9. claim 6 or 7 described motor drive control device; It is characterized by: motor (5) is a magneto-electric machine, and when motor was operated at a high speed weak magnetic state as propulsion source, guard mode appearred in inverter (4); When binistor all quits work, through winding terminal A with motor (5) 1, A 2..., A i..., A NRespectively and X 1, X 2..., X i..., X NOpen circuit in order, i.e. A 1With X 2Open circuit A 2With X 3Open circuit A iWith X I+1Open circuit ..., A N-1With X NOpen circuit A NWith X 1Open circuit, prevent that the counter potential of motor (5) from causing damage to inverter (4) and electric capacity (2), actuating device is protected.
10. like claim 6 or 7 described motor drive control device, it is characterized by: said motor driver also comprises a socket, and said socket has 2N contact pin, passes through conductor short circuit in twos between the said 2N contact pin.
CN201110158523A 2011-06-14 2011-06-14 Motor driving control device for electric vehicle Pending CN102303540A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104767465A (en) * 2015-03-18 2015-07-08 中国科学院电工研究所 Permanent magnet motor driving device used for electrombile
CN104767310A (en) * 2015-04-15 2015-07-08 哈尔滨工业大学 Parallel connection method and series connection method for motor windings of three-phase non-isolated integrated vehicle-mounted charger
CN109130916A (en) * 2017-06-28 2019-01-04 李尔公司 The method and system being pre-charged for the onboard charger to the vehicles
CN109606136A (en) * 2018-10-31 2019-04-12 华中科技大学 A kind of hybrid power energy storage system and its control method, hybrid vehicle

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104767465A (en) * 2015-03-18 2015-07-08 中国科学院电工研究所 Permanent magnet motor driving device used for electrombile
CN104767310A (en) * 2015-04-15 2015-07-08 哈尔滨工业大学 Parallel connection method and series connection method for motor windings of three-phase non-isolated integrated vehicle-mounted charger
CN104767310B (en) * 2015-04-15 2017-06-16 哈尔滨工业大学 The machine winding parallel connection methods and serial connection method of the non-isolated integrated on-board charger of three-phase
CN109130916A (en) * 2017-06-28 2019-01-04 李尔公司 The method and system being pre-charged for the onboard charger to the vehicles
CN109130916B (en) * 2017-06-28 2021-06-11 李尔公司 Method and system for pre-charging an on-board charger of a vehicle
CN109606136A (en) * 2018-10-31 2019-04-12 华中科技大学 A kind of hybrid power energy storage system and its control method, hybrid vehicle

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Application publication date: 20120104