CN104578253A - High-frequency triangular transformation technology-based electric vehicle motor driving DC/DC transformation device - Google Patents
High-frequency triangular transformation technology-based electric vehicle motor driving DC/DC transformation device Download PDFInfo
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- CN104578253A CN104578253A CN201410742282.2A CN201410742282A CN104578253A CN 104578253 A CN104578253 A CN 104578253A CN 201410742282 A CN201410742282 A CN 201410742282A CN 104578253 A CN104578253 A CN 104578253A
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- 238000005516 engineering process Methods 0.000 title abstract description 15
- 230000009466 transformation Effects 0.000 title abstract description 9
- 239000003990 capacitor Substances 0.000 claims description 18
- 230000001360 synchronised effect Effects 0.000 claims description 15
- 238000004804 winding Methods 0.000 claims description 8
- 238000004146 energy storage Methods 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 description 7
- 230000006641 stabilisation Effects 0.000 description 4
- 238000011105 stabilization Methods 0.000 description 4
- 230000000087 stabilizing effect Effects 0.000 description 4
- 238000002955 isolation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
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Classifications
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- H02J7/022—
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
- H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
- H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
- H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
- H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/33507—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of the output voltage or current, e.g. flyback converters
- H02M3/33523—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of the output voltage or current, e.g. flyback converters with galvanic isolation between input and output of both the power stage and the feedback loop
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
- H02P6/08—Arrangements for controlling the speed or torque of a single motor
- H02P6/085—Arrangements for controlling the speed or torque of a single motor in a bridge configuration
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention relates to a high-frequency triangular transformation technology-based electric vehicle motor driving DC/DC transformation device, aims to solve the problems of DC/DC transformation from a high-voltage battery pack to a low-voltage battery during motor driving and high-voltage battery charging in an existing electric vehicle technology, and provides a novel electric vehicle motor driving DC/DC transformation device, which comprises a DC/DC transformation device, a motor driving inverter bridge and a 22V AC charging interface circuit. According to the device, a high-frequency triangular transformation technology can be implemented; a driving motor has a 12V low-voltage power output function, so that power can be supplied to vehicle-mounted equipment; the function of isolating and charging a power battery of an electric vehicle can be realized.
Description
Technical field
The present invention relates to motor in electric automobile to drive and battery charging field, particularly motor in electric automobile drives high frequency triangle to become DC/DC converting means.
Background technology
At present, electric vehicle engineering is just in develop rapidly, electric automobile market grows stronger day by day, but motor in electric automobile drive unit adopts conventional topological structure mostly, lack innovation, and triangle change technology is applied already in power frequency field, and also used in high-frequency range, high frequency triangle is become technology to be applied in motor in electric automobile driving DC/DC converter technique, the control decoupling zero of " enters scene 2 " can be realized, thus realize hardware resource integration.Be conducive to technological innovation and the tremendous development of electric automobile.
Summary of the invention
In order to solve, motor in existing electric vehicle engineering drives, high-tension battery charging, and high-tension battery group, to the DC/DC transformation problem of A-battery, the invention provides a kind of motor in electric automobile with high frequency triangle change technology and drives DC/DC converting means.This device is that a kind of new motor in electric automobile drives topological structure, under making triangle change technology to be applied to high frequency condition, thus realizing the control decoupling zero of " enters scene 2 ", by regulating duty ratio, realizing controlled rectifier technology.
In order to achieve the above object, the present invention adopts following technical proposals:
The invention provides a kind of motor in electric automobile and drive DC/DC converting means, described device comprises permagnetic synchronous motor (1), motor drives inverter bridge (2), Support Capacitor (3), battery side half-bridge converter (4), precharge control module (5), high-tension battery group (6), rectification circuit (7), charged side Support Capacitor (8), charged side half-bridge converter (9), lower pressure rectifier circuit (10), three angle transformers (11).
Compared with prior art, the motor in electric automobile with the high frequency triangle change technology of 220VAC charge function provided by the invention drives DC/DC converting means, realizes hardware resource integration, improves motor-driven performance.The present invention can realize the triangle change technology under high frequency condition; Drive motors can be made to have low-tension supply 12V output function, thus realize the power supply to mobile unit; Can realize electric automobile power battery isolation charge function.
Accompanying drawing explanation
Fig. 1 is the topological structure schematic diagram that the motor in electric automobile with charge function high frequency triangle change technology provided by the invention drives DC/DC converting means.
In figure: 1 is permagnetic synchronous motor, 2 is that motor drives inverter bridge, 3 is Support Capacitors, and 4 is battery side half-bridge converters, and 5 is precharge control modules, 6 is high-tension battery groups, 7 is rectification circuits, and 8 is charged side Support Capacitors, and 9 is charged side half-bridge converters, 10 is lower pressure rectifier circuit, and 11 is three angle transformers.
Embodiment
Below, by reference to the accompanying drawings the specific embodiment of the present invention is described in detail.
As shown in Figure 1, the invention provides a kind of motor in electric automobile and drive DC/DC converting means, described device comprises permagnetic synchronous motor 1, motor drives inverter bridge 2, Support Capacitor 3, battery side half-bridge converter 4, precharge control module 5, high-tension battery group 6, rectification circuit 7, charged side Support Capacitor 8, charged side half-bridge converter 9, lower pressure rectifier circuit 10, three angle transformer 11.
Described high-tension battery group 6 is in series with precharge control module 5; Described high-tension battery group 6 is parallel with battery side half-bridge converter 4, Support Capacitor 3, motor drives inverter bridge 2; Motor drives inverter bridge 2 to connect permagnetic synchronous motor 1; Described three angle transformers 11 comprise A coil, B coil, C coil; Described battery side half-bridge converter 4 connects the A coil of three angle transformers 11; The B coil of described three angle transformers 11 connects charged side half-bridge converter 9; Charged side half-bridge converter 9, charged side Support Capacitor 8, to be in parallel with rectification circuit 7 three; Rectification circuit 7 is connected with 220VAC charging inlet; The C coil of described three angle transformers 11 connects lower pressure rectifier circuit 10.
When normal vehicle operation: connect precharge control module 5, charge closing side half-bridge converter 9; High-tension battery group 6 drives inverter bridge 2 to drive permagnetic synchronous motor 1 by motor, simultaneously, battery side half-bridge converter 4 carries out high frequency single-phase inversion, there is provided electric energy to charged side half-bridge converter 9 and lower pressure rectifier circuit 10 by three angle transformers 11 simultaneously, now, utilizing the former limit A of high frequency three angle transformer 11 and the leakage inductance of secondary C, by controlling the duty cycle of switching of battery side half-bridge converter 4, output voltage or the output current of lower pressure rectifier circuit 10 can be regulated;
Work as vehicle parking, when utilizing 220VAC to charge: the switch 51 connecting precharge control module 5,220VAC power supply connects the 220VAC charging inlet on rectification circuit 7,220V single-phase alternating current is made into direct current by rectification circuit 7, again by charged side half-bridge converter 9 high-frequency inversion, high-frequency alternating current is sent in high frequency three angle transformer 11, electric energy then after conversion exports from lower pressure rectifier circuit 10 and battery side half-bridge converter 4 simultaneously, realizes converting the DC/DC of low pressure 12V the charging of high-tension battery group 6 and 220VAC simultaneously.
Further, in described converting means: by the duty ratio of adjustment charged side half-bridge converter 9, utilize the former limit of high frequency three angle transformer 11 and the leakage inductance of secondary, output voltage or the output current of lower pressure rectifier circuit 10 can be regulated.
Former limit refers to the poower flow input side of transformer equivalent generator port, and secondary is the poower flow outlet side of transformer equivalent generator port.
Further, in described converting means, during design triangle transformer 11, adjust the turn ratio of every winding, when charged side half-bridge converter 9 is worked, the peak-to-peak value of the battery side secondary A voltage open circuit of three angle transformers 11 is 0.9 times of the minimum operating voltage of high-tension battery group 6, thus first realizes when 220VAC carries out DC/DC isolated variable to low pressure 12V, when closing battery side half-bridge converter 4, the charge function of 220VAC to high-tension battery group 6 can be closed.
Above-mentioned every winding refers to winding coil A, B, C of three angle transformers 11.
When connecting battery side half-bridge converter 4,220VAC power supply charges to high-tension battery group 6; When disconnecting (closedown) battery side half-bridge converter 4,220VAC power supply does not charge to high-tension battery group 6.
Further, in described converting means, utilize the former limit of high frequency three angle transformer 11 and the leakage inductance of secondary, within each cycle of charged side half-bridge converter 9 ON operation, the duty ratio of Synchronization Control battery side half-bridge converter 4, battery side half-bridge converter 4 realizes synchronous rectified boost chop control, reaches the object to the controlled charging of high-tension battery group 6.
Above-mentioned Synchronization Control refers to, while input side voltage raises, single-phase inverter 4 will participate in work simultaneously, carries out leakage inductance energy storage, because pump comes into force really, makes inverter bridge 4 short circuit.
Further, in described converting means, certain pair of horns arm of charged side half-bridge converter 9 (in Fig. 1 IGBT91 and IGBT94 or IGBT92 and IGBT93) while during conducting state, the upper brachium pontis of battery side half-bridge converter 4 two or the conducting simultaneously of lower brachium pontis, realize secondary A short circuit, energy storage is realized by the former limit B of high frequency three angle transformer 11 and the leakage inductance of secondary A, the all IGBT of battery side half-bridge converter 4 are closed when arriving duty cycle time, can not to be suddenlyd change this principle by the electric current of the former limit of three angle transformers 11 and the leakage inductance of secondary, voltage pump rise is realized by the anti-also diode of IGBT, duty ratio is closed by the conducting of Synchronization Control battery side half-bridge converter 4, in the charging realizing achieving while 220VAC converts the DC/DC of low pressure 12V high-tension battery group.
Above-mentioned duty cycle time is regulated automatically by closed-loop control.
Two upper brachium pontis of battery side half-bridge converter 4 refer to IGBT41 and IGBT42 in Fig. 1, and two lower brachium pontis refer to IGBT43 and IGBT44 in Fig. 1.As IGBT41 and IGBT42 in Fig. 1 or IGBT43 and IGBT44 alternation, the object done like this is that inverter bridge is generated heat evenly, avoids single inverter bridge overheated.
Further, in described converting means, the inverse switch frequency of battery side half-bridge converter 4 is 20kHz; The inverse switch frequency of charged side half-bridge converter 9 high-frequency inversion is 20kHz.
Further, in described converting means, the positive electrode bus of described high-tension battery group 6 is in series with precharge control module 5, and precharge control module 5 comprises switch 51, resistance 52; Be parallel with battery side half-bridge converter 4 between the both positive and negative polarity bus of described high-tension battery group 6, Support Capacitor 3, motor drives inverter bridge 2; Motor drives inverter bridge 2 to comprise an IGBT21,2nd IGBT22,3rd IGBT23,4th IGBT24, the 5th IGBT25, the 6th IGBT26, one IGBT21 and the 4th IGBT24 is in series, 2nd IGBT22 and the 5th IGBT25 is in series, and the 3rd IGBT23 and the 6th IGBT26 is in series, and the IGBT of three groups of series connection is connected in parallel between the both positive and negative polarity bus of high-tension battery group 6; Motor drives inverter bridge 2 to connect permagnetic synchronous motor 1; Described battery side half-bridge converter 4 comprises the 7th IGBT41, the 8th IGBT43, the 9th IGBT42, tenth IGBT44,7th IGBT41 and the 8th IGBT43 is in series, and the 9th IGBT42 and the tenth IGBT44 is in series, and the IGBT of two groups of series connection is connected in parallel between the both positive and negative polarity bus of high-tension battery group 6; Described three angle transformers 11 are made up of A coil, B coil and C coil; Described battery side half-bridge converter 4 connects the A coil of three angle transformers 11, and described A coil one end is connected to the some S1 between the 7th IGBT41 and the 8th IGBT43, and the described A coil other end is connected to the some S2 between the 9th IGBT42 and the tenth IGBT44; Described charged side half-bridge converter 9 comprises the 11 IGBT91, the 12 IGBT92, the 13 IGBT93,14 IGBT94,11 IGBT91 and the 13 IGBT93 is in series, and the 12 IGBT92 and the 14 IGBT94 is in series, and the IGBT of two groups of series connection is in parallel; The B coil of described three angle transformers 11 connects charged side half-bridge converter 9, described B coil one end is connected to the some S5 between the 11 IGBT91 and the 13 IGBT93, and the described B coil other end is connected to the some S6 between the 12 IGBT92 and the 14 IGBT94; Described charged side half-bridge converter 9, charged side Support Capacitor 8, to be in parallel with rectification circuit 7 three; Rectification circuit 7 is connected with 220VAC charging inlet;
The C coil of described three angle transformers 11 connects lower pressure rectifier circuit 10.
Further, in described converting means, described lower pressure rectifier circuit 10 comprises the first diode 101, second diode the 102, three diode the 103, four diode 104; First diode 101 and the second diode 102 are in series, and the 3rd diode 103 and the 4th diode 104 are in series, and two groups of diodes after series connection are in parallel; One end of the C coil of described three angle transformers 11 connects the some S4 between other end connection the 3rd diode 103 of some S3, the C coil between the first diode 101 and the second diode 102 and the 4th diode 104.
Embodiment 1
As shown in Figure 1, the invention provides a kind of motor in electric automobile with 220VAC charge function high frequency triangle change technology and drive DC/DC converting means, described device comprises permagnetic synchronous motor 1, motor drives inverter bridge 2, Support Capacitor 3, battery side half-bridge converter 4, precharge control module 5, high-tension battery group 6, rectification circuit 7, charged side Support Capacitor 8, charged side half-bridge converter 9, lower pressure rectifier circuit 10, three angle transformer 11.
When normal vehicle operation: high-tension battery group 6 drives inverter bridge 2 to drive permagnetic synchronous motor 1 by motor, motor drives inverter bridge 2 to control the work of motor 1 four phase limit, battery side half-bridge converter 4 carries out high frequency single-phase inversion (inverse switch frequency 20kHz) simultaneously, there is provided electric energy to charged side half-bridge converter 9 and lower pressure rectifier circuit 10 by three angle transformers 11 simultaneously, because charged side half-bridge converter 9 is in open-circuit condition, now can direct charge closing side half-bridge converter 9, make it be operated in unloaded rectification state.Now, utilizing the former limit A of high frequency three angle transformer 11 and the leakage inductance of secondary C, by controlling the duty cycle of switching of battery side half-bridge converter 4, output voltage or the output current of lower pressure rectifier circuit 10 can be regulated.By closed-loop control (DC12V low pressure in figure, reduce duty ratio when a current is large, when electric current hour increases duty ratio, this process automatically regulates) realize the voltage stabilizing of lower pressure rectifier circuit or current stabilization exports, thus realize the function that voltage DC isolation becomes low-voltage direct.
Motor drives inverter bridge 2 to control the work of motor 1 four phase limit and refers to certainly will there is advance during vehicle operating, retreat, generate electricity, brake this four kinds of states, so the operating characteristic of vehicle just needs drive motors 1 all can normally work in four quadrants.
When vehicle parking utilizes 220VAC to charge: 220VAC power supply connects rectification circuit 7, 220V single-phase alternating current is made into direct current by rectification circuit 7, again by charged side half-bridge converter 9 high-frequency inversion (inverse switch frequency 20kHz), high-frequency alternating current is sent in high frequency three angle transformer 11, electric energy then after conversion simultaneously from lower pressure rectifier circuit 10 and battery side half-bridge converter 4 (namely, high-tension battery side) export, realize converting the DC/DC of low pressure 12V the charging of high-tension battery group 6 and 220VAC simultaneously, by the duty ratio of adjustment charged side half-bridge converter 9, utilize the former limit B of high frequency three angle transformer 11 and the leakage inductance of secondary C, output voltage or the output current of lower pressure rectifier circuit 10 can be regulated.Exported by closed loop (refer to DC12V and this loop of high-tension battery group, do not have this side of charging inlet circuit) control realization voltage stabilizing or current stabilization, thus realize the function that voltage DC isolation becomes low-voltage direct.
Above-mentioned voltage stabilizing or current stabilization export to comprise and export to the voltage output of high-tension battery charging and the electric current of low pressure 12V.By the voltage stabilizing of voltage close loop control realization, realize current stabilization by electric current loop closed-loop control.
Now, because its open circuit voltage of high-tension battery side exported as another secondary A is uncontrollable, therefore do not obtain power by simple rectification, its specific implementation method is as follows:
1, during design triangle transformer 11, adjust every winding (coil windings A, coil windings B, coil windings C) turn ratio, when charged side half-bridge converter 9 is worked, the peak-to-peak value of battery side secondary A voltage open circuit is 0.9 times of the minimum operating voltage of high-tension battery group 6, thus first realize when 220VAC carries out DC/DC isolated variable to low pressure 12V, when closing battery side half-bridge converter 4 by triggering signal (half-bridge converter due to the existence of self inverse parallel fly-wheel diode be in uncontrollable rectifier bridge state), the charge function of 220VAC to high-tension battery group can be closed.
2, the former limit of high frequency three angle transformer 11 and the leakage inductance of secondary is utilized, within each cycle of charged side half-bridge converter 9 ON operation, the duty ratio of Synchronization Control battery side half-bridge converter 4, battery side half-bridge converter 4 realizes synchronous rectified boost chop control, reaches the object to the controlled charging of high-tension battery group 6.Namely, certain pair of horns arm of charged side half-bridge converter 9 while during conducting state, the upper brachium pontis (41 of battery side half-bridge converter 4 two, 42) or lower brachium pontis (43, 44) conducting simultaneously, realize secondary short circuit, energy storage is realized by the former limit B of high frequency three angle transformer 11 and the leakage inductance of secondary A, the all IGBT of battery side half-bridge converter 4 are closed when arriving duty cycle time, can not to be suddenlyd change this principle by the electric current of the former limit of three angle transformers 11 and the leakage inductance of secondary, voltage pump rise is realized by the anti-also diode of IGBT, therefore, finally close duty ratio by the conducting of Synchronization Control battery side half-bridge converter 4, the charging to high-tension battery group is achieved while realizing converting the DC/DC of low pressure 12V 220VAC.
Automatically duty cycle time is regulated by closed-loop control.
Certain pair of horns arm of charged side half-bridge converter 9 refers to IGBT91 and IGBT94 in Fig. 1, or IGBT92 and IGBT93.
The upper brachium pontis of battery side half-bridge converter 4 two refers to IGBT41 and IGBT42, and lower brachium pontis refers to IGBT43 and IGBT44.
The above, be only preferred embodiment of the present invention, be not intended to limit protection scope of the present invention.Every equalization done according to content of the present invention changes and modifies, and is all encompassed in the scope of the claims of the present invention.
Claims (10)
1. a motor in electric automobile drives DC/DC converting means, it is characterized in that: described device comprises permagnetic synchronous motor (1), motor drives inverter bridge (2), Support Capacitor (3), battery side half-bridge converter (4), precharge control module (5), high-tension battery group (6), rectification circuit (7), charged side Support Capacitor (8), charged side half-bridge converter (9), lower pressure rectifier circuit (10), three angle transformers (11).
2. converting means according to claim 1, is characterized in that: described high-tension battery group (6) is in series with precharge control module (5); Described high-tension battery group (6) is parallel with battery side half-bridge converter (4), Support Capacitor (3), motor drives inverter bridge (2); Motor drives inverter bridge (2) to connect permagnetic synchronous motor (1); Described three angle transformers (11) comprise A coil, B coil, C coil; Described battery side half-bridge converter (4) connects the A coil of three angle transformers (11); The B coil of described three angle transformers (11) connects charged side half-bridge converter (9); Charged side half-bridge converter (9), charged side Support Capacitor (8), to be in parallel with rectification circuit (7) three; (7) are connected with 220VAC charging inlet with rectification circuit; The C coil of described three angle transformers (11) connects lower pressure rectifier circuit (10).
3. converting means according to claim 1 and 2, is characterized in that: when normal vehicle operation: connect precharge control module (5), charge closing side half-bridge converter (9); High-tension battery group (6) drives inverter bridge (2) to drive permagnetic synchronous motor (1) by motor, simultaneously, battery side half-bridge converter (4) carries out high frequency single-phase inversion, there is provided electric energy to charged side half-bridge converter (9) and lower pressure rectifier circuit (10) by three angle transformers (11) simultaneously, now, utilize the former limit A of high frequency three angle transformer (11) and the leakage inductance of secondary C, by controlling the duty cycle of switching of battery side half-bridge converter (4), regulate output voltage or the output current of lower pressure rectifier circuit (10);
Work as vehicle parking, when utilizing 220VAC to charge: 220VAC power supply connects the 220VAC charging inlet on rectification circuit (7), 220V single-phase alternating current is made into direct current by rectification circuit (7), again by charged side half-bridge converter (9) high-frequency inversion, high-frequency alternating current is sent in high frequency three angle transformer (11), electric energy then after conversion, simultaneously from lower pressure rectifier circuit (10) and battery side half-bridge converter (4) output, realizes converting the DC/DC of low pressure 12V the charging of high-tension battery group (6) and 220VAC simultaneously.
4. converting means according to claim 3, it is characterized in that: by the duty ratio of adjustment charged side half-bridge converter (9), utilize the former limit of high frequency three angle transformer (11) and the leakage inductance of secondary, regulate output voltage or the output current of lower pressure rectifier circuit (10).
5. converting means according to claim 4, it is characterized in that: time design triangle transformer (11), adjust the turn ratio of every winding, when charged side half-bridge converter (9) is worked, the peak-to-peak value of the battery side secondary A voltage open circuit of three angle transformers (11) is 0.9 times of high-tension battery group (6) minimum operating voltage, thus first realize when 220VAC carries out DC/DC isolated variable to low pressure 12V, when closing battery side half-bridge converter (4), the charge function of 220VAC to high-tension battery group (6) can be closed.
6. converting means according to claim 4, it is characterized in that: utilize the former limit of high frequency three angle transformer (11) and the leakage inductance of secondary, within each cycle of charged side half-bridge converter (9) ON operation, the duty ratio of Synchronization Control battery side half-bridge converter (4), battery side half-bridge converter (4) realizes synchronous rectified boost chop control, reaches the object to high-tension battery group (6) controlled charging.
7. converting means according to claim 4, it is characterized in that: certain pair of horns arm of charged side half-bridge converter (9) while during conducting state, the upper brachium pontis of battery side half-bridge converter (4) two or the conducting simultaneously of lower brachium pontis, realize secondary A short circuit, energy storage is realized by the former limit B of high frequency three angle transformer (11) and the leakage inductance of secondary A, battery side half-bridge converter (4) all IGBT are closed when arriving duty cycle time, can not to be suddenlyd change this principle by the electric current of the former limit of three angle transformers (11) and the leakage inductance of secondary, voltage pump rise is realized by the anti-also diode of IGBT, duty ratio is closed by Synchronization Control battery side half-bridge converter (4) conducting, in the charging realizing realizing while 220VAC converts the DC/DC of low pressure 12V high-tension battery group.
8. converting means according to claim 3, is characterized in that: the inverse switch frequency of battery side half-bridge converter (4) is 20kHz; The inverse switch frequency of charged side half-bridge converter (9) high-frequency inversion is 20kHz.
9. converting means according to claim 1, it is characterized in that: the positive electrode bus of described high-tension battery group (6) is in series with precharge control module (5), precharge control module (5) comprises switch (51), resistance (52); Be parallel with battery side half-bridge converter (4) between the both positive and negative polarity bus of described high-tension battery group (6), Support Capacitor (3), motor drives inverter bridge (2); Motor drives inverter bridge (2) to comprise an IGBT (21), 2nd IGBT (22), 3rd IGBT (23), 4th IGBT (24), 5th IGBT (25), 6th IGBT (26), one IGBT (21) and the 4th IGBT (24) are in series, 2nd IGBT (22) and the 5th IGBT (25) is in series, 3rd IGBT (23) and the 6th IGBT (26) is in series, and the IGBT of three groups of series connection is connected in parallel between the both positive and negative polarity bus of high-tension battery group (6); Motor drives inverter bridge (2) to connect permagnetic synchronous motor (1); Described battery side half-bridge converter (4) comprises the 7th IGBT (41), 8th IGBT (43), 9th IGBT (42), tenth IGBT (44), 7th IGBT (41) and the 8th IGBT (43) is in series, 9th IGBT (42) and the tenth IGBT (44) is in series, and the IGBT of two groups of series connection is connected in parallel between the both positive and negative polarity bus of high-tension battery group (6); Described three angle transformers (11) are made up of A coil, B coil and C coil; Described battery side half-bridge converter (4) connects the A coil of three angle transformers (11), described A coil one end is connected to the point (S1) between the 7th IGBT (41) and the 8th IGBT (43), and the described A coil other end is connected to the point (S2) between the 9th IGBT (42) and the tenth IGBT (44); Described charged side half-bridge converter (9) comprises the 11 IGBT (91), 12 IGBT (92), 13 IGBT (93), 14 IGBT (94), 11 IGBT (91) and the 13 IGBT (93) is in series, 12 IGBT (92) and the 14 IGBT (94) is in series, and the IGBT of two groups of series connection is in parallel; The B coil of described three angle transformers (11) connects charged side half-bridge converter (9), described B coil one end is connected to the point (S5) between the 11 IGBT (91) and the 13 IGBT (93), and the described B coil other end is connected to the point (S6) between the 12 IGBT (92) and the 14 IGBT (94); Described charged side half-bridge converter (9), charged side Support Capacitor (8), to be in parallel with rectification circuit (7) three; (7) are connected with 220VAC charging inlet with rectification circuit; The C coil of described three angle transformers (11) connects lower pressure rectifier circuit (10).
10. converting means according to claim 9, it is characterized in that: described lower pressure rectifier circuit (10) comprises the first diode (101), second diode (102), the 3rd diode (103), the 4th diode (104); First diode (101) and the second diode (102) are in series, and the 3rd diode (103) and the 4th diode (104) are in series, and two groups of diodes after series connection are in parallel; One end of the C coil of described three angle transformers 11 connects the some S4 between other end connection the 3rd diode (103) of some S3, the C coil between the first diode (101) and the second diode (102) and the 4th diode (104).
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| CN201410742282.2A CN104578253B (en) | 2014-12-05 | 2014-12-05 | High-frequency triangular transformation technology-based electric vehicle motor driving DC/DC transformation device |
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| CN201410742282.2A CN104578253B (en) | 2014-12-05 | 2014-12-05 | High-frequency triangular transformation technology-based electric vehicle motor driving DC/DC transformation device |
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| CN104578253B CN104578253B (en) | 2017-02-22 |
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Cited By (6)
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| CN105244982A (en) * | 2015-10-09 | 2016-01-13 | 上海交通大学 | Motor drive and battery charge integrated device with low cost and control method |
| CN107544471A (en) * | 2017-09-30 | 2018-01-05 | 綦江齿轮传动有限公司 | The power assembly test system of electric automobile and its electrical driving unit |
| CN108155805A (en) * | 2016-12-02 | 2018-06-12 | 比亚迪股份有限公司 | The control method of electric vehicle and its DC-DC converter and DC-DC converter |
| CN109861526A (en) * | 2019-02-27 | 2019-06-07 | 中国第一汽车股份有限公司 | The control method of DC/DC |
| CN110800385A (en) * | 2017-06-28 | 2020-02-14 | 法雷奥电机设备公司 | Voltage converter, method for manufacturing such a voltage converter and assembly of a main module and a terminal block module for forming such a voltage converter |
| CN111446857A (en) * | 2020-04-13 | 2020-07-24 | 威睿电动汽车技术(宁波)有限公司 | C LL C bidirectional DC-DC converter and control method |
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| US20120235626A1 (en) * | 2011-03-18 | 2012-09-20 | Sung Min Oh | Battery charging apparatus |
| CN103770658A (en) * | 2014-01-13 | 2014-05-07 | 北京理工大学 | Motor driving-DC/DC conversion-charging integrated device |
| CN104092273A (en) * | 2014-07-25 | 2014-10-08 | 中山大洋电机股份有限公司 | Electric vehicle driving and charging integrated control method and electric vehicle operated with same |
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| US20120235626A1 (en) * | 2011-03-18 | 2012-09-20 | Sung Min Oh | Battery charging apparatus |
| CN103770658A (en) * | 2014-01-13 | 2014-05-07 | 北京理工大学 | Motor driving-DC/DC conversion-charging integrated device |
| CN104092273A (en) * | 2014-07-25 | 2014-10-08 | 中山大洋电机股份有限公司 | Electric vehicle driving and charging integrated control method and electric vehicle operated with same |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105244982A (en) * | 2015-10-09 | 2016-01-13 | 上海交通大学 | Motor drive and battery charge integrated device with low cost and control method |
| CN105244982B (en) * | 2015-10-09 | 2018-01-19 | 上海交通大学 | A kind of inexpensive motor driving battery charging integrated device and control method |
| CN108155805A (en) * | 2016-12-02 | 2018-06-12 | 比亚迪股份有限公司 | The control method of electric vehicle and its DC-DC converter and DC-DC converter |
| CN108155805B (en) * | 2016-12-02 | 2019-11-22 | 比亚迪股份有限公司 | The control method of electric car and its DC-DC converter and DC-DC converter |
| CN110800385A (en) * | 2017-06-28 | 2020-02-14 | 法雷奥电机设备公司 | Voltage converter, method for manufacturing such a voltage converter and assembly of a main module and a terminal block module for forming such a voltage converter |
| CN110800385B (en) * | 2017-06-28 | 2021-07-13 | 法雷奥电机设备公司 | Voltage converter, method for manufacturing such a voltage converter and assembly of a main module and a terminal block module for forming such a voltage converter |
| CN107544471A (en) * | 2017-09-30 | 2018-01-05 | 綦江齿轮传动有限公司 | The power assembly test system of electric automobile and its electrical driving unit |
| CN107544471B (en) * | 2017-09-30 | 2023-11-14 | 綦江齿轮传动有限公司 | Power assembly test system of electric automobile and electric drive unit thereof |
| CN109861526A (en) * | 2019-02-27 | 2019-06-07 | 中国第一汽车股份有限公司 | The control method of DC/DC |
| CN111446857A (en) * | 2020-04-13 | 2020-07-24 | 威睿电动汽车技术(宁波)有限公司 | C LL C bidirectional DC-DC converter and control method |
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| CN104578253B (en) | 2017-02-22 |
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