CN104709101A - Drive device and vehicle - Google Patents
Drive device and vehicle Download PDFInfo
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- CN104709101A CN104709101A CN201310695266.8A CN201310695266A CN104709101A CN 104709101 A CN104709101 A CN 104709101A CN 201310695266 A CN201310695266 A CN 201310695266A CN 104709101 A CN104709101 A CN 104709101A
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- quadrant rectifier
- alternating current
- actuating device
- circuit
- direct current
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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
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
Abstract
The invention provides a drive device and a vehicle. The drive device comprises a generator, a four-quadrant rectifier, an adjusting circuit and a traction motor which are sequentially connected. The four-quadrant rectifier is used for converting the current rectification working state into a contravariant working state according to the received brake control command. The traction motor is used for generating first alternating current according to power at the drive end of the traction motor when the four-quadrant rectifier is in the contravariant working state. The adjusting circuit is used for converting the first alternating current into first direct current and transmitting the direct current to the four-quadrant rectifier. The four-quadrant rectifier is further used for converting the first direct current into second alternating current. The generator is used for receiving the second alternating current and outputting power according to the second alternating current. According to the technical scheme, electric brake can be achieved through the drive device, the use times of mechanical brake can be reduced effectively.
Description
Technical field
The present invention relates to vehicular drive control field, particularly relate to a kind of actuating device and vehicle.
Background technology
At present, internal combustion actuating device generally adopts the structure of diesel engine, synchronous electric generator, diode rectifier, inverter and the traction electric machine connected in turn.Its principle of work is: diesel engine band engine alternator sends three-phase synchronous alternating current, and diode rectifier generates direct current (DC) by after the three-phase alternating current electric rectification received.The DC inverter received is become three phase variable frequency pressure regulation alternating current by inverter, exports to supply traction electric machine the propulsive effort driving vehicle driving wheel.
Diode rectifier in existing structure only has rectification function, the output drive strength that namely existing internal combustion actuating device can only be unidirectional.And when needs abrupt deceleration vehicle driving wheel, the actuating device of existing structure can not play any help to braking, still need to adopt the braking that mechanical braking mode realizes vehicle driving wheel.The number of times that mechanical braking uses is more, and the service life of brake block or brake pad also just decreases.
Summary of the invention
The invention provides a kind of actuating device and vehicle, to realize electric braking.
One aspect of the invention provides a kind of actuating device, comprising: the electrical generator connected in turn, four-quadrant rectifier, regulating circuit and traction electric machine; Wherein,
Described four-quadrant rectifier, for according to the control for brake instruction received, switches to inversion mode of operation by current rectification mode of operation;
Described traction electric machine, for when described four-quadrant rectifier is in described inversion mode of operation, the power according to described traction electric machine drive end generates corresponding first alternating current;
Described regulating circuit, for being converted to the first direct current (DC) by described first alternating current, and by described DC power transmission to described four-quadrant rectifier;
Described four-quadrant rectifier, also for described first direct current (DC) is converted to the second alternating current;
Described electrical generator, for receiving described second alternating current, exports corresponding power according to described second alternating current.
Another aspect of the present invention provides a kind of vehicle, and described vehicle comprises actuating device, wherein, comprising: the electrical generator connected in turn, four-quadrant rectifier, regulating circuit and traction electric machine; Wherein,
Described four-quadrant rectifier, for according to the control for brake instruction received, switches to inversion mode of operation by current rectification mode of operation;
Described traction electric machine, for when described four-quadrant rectifier is in described inversion mode of operation, the power according to described traction electric machine drive end generates corresponding first alternating current;
Described regulating circuit, for being converted to the first direct current (DC) by described first alternating current, and by described DC power transmission to described four-quadrant rectifier;
Described four-quadrant rectifier, also for described first direct current (DC) is converted to the second alternating current;
Described electrical generator, for receiving described second alternating current, exports corresponding power according to described second alternating current.
As shown from the above technical solution, the embodiment of the present invention is by arranging four-quadrant rectifier, the Energy Transfer of the twocouese of described actuating device can be realized, namely the electrical generator in described actuating device can only be operated in electrical generator operating mode by prior art, become and both can be operated in electrical generator operating mode and also can be operated in motor working condition, described traction electric machine can only be operated in motor working condition by prior art, becomes both can be operated in motor working condition and also can be operated in electrical generator operating mode.When described traction electric machine is operated in electrical generator operating mode, described traction electric machine generates alternating current according to the mechanical power of vehicle driving wheel, feed back to described electrical generator, the some mechanical of such vehicle driving wheel can be converted into back electrical energy to described electrical generator, and then achieves electric braking.There is the help of electric braking, just can reduce the access times of mechanical braking, and then service life of brake block or brake lining can have been extended by actv..
Accompanying drawing explanation
The structural representation of the actuating device that Fig. 1 provides for the embodiment of the present invention one;
The structural representation that described in the actuating device that Fig. 2 provides for the embodiment of the present invention one, regulating circuit realizes;
The circuit realiration schematic diagram of the actuating device that Fig. 3 provides for the embodiment of the present invention one;
The vehicle structure schematic diagram being provided with actuating device that Fig. 4 provides for the embodiment of the present invention two.
Detailed description of the invention
As shown in Figure 1, the structural representation of actuating device that provides of the embodiment of the present invention one.As shown in Figure 1, the actuating device described in the present embodiment one comprises: the electrical generator 10 connected in turn, four-quadrant rectifier 20, regulating circuit 30 and traction electric machine 40.Wherein, current rectification mode of operation, for according to the control for brake instruction received, is switched to inversion mode of operation by described four-quadrant rectifier 20.Described traction electric machine 40 is for when described four-quadrant rectifier is in described inversion mode of operation, and the power according to described traction electric machine 40 drive end generates corresponding first alternating current.Described regulating circuit 30 for described first alternating current is converted to the first direct current (DC), and by described DC power transmission to described four-quadrant rectifier.Described four-quadrant rectifier 20 is also for being converted to the second alternating current by described first direct current (DC).Described electrical generator 10, for receiving described second alternating current, exports corresponding power according to described second alternating current.
Wherein, described four-quadrant rectifier is one and exchanges AC-direct current DC electric power coversion system, and concrete, described four-quadrant rectifier can adopt thyristor and rectifier cell inverse parallel to connect and compose, and converts AC to DC.Diode rectifier circuit more of the prior art is compared, and each brachium pontis of described four-quadrant rectifier is provided with controlled member, can realize the switching of mode of operation, i.e. the switching of rectification mode of operation and inversion mode of operation; In addition, described four-quadrant rectifier can adopt PWM(Pulse Width Modulation, pulse width modulation) control technology.
Wherein, in the embodiment of the present invention, the type of electrical generator 10 can be multiple, and the present invention is not specifically limited, and during concrete enforcement, electrical generator can select asynchronous generator.Casehistory, asynchronous generator refers to and to utilize between stator and rotor the interactional a kind of alternating current generator of inducing current in air-gap rotating magnetic field and rotor windings.During specific works, A, B, C three-phase is placed with and the equal coil of coil turn in stator core slot, coil wherein on rotor core groove divides N, S the two poles of the earth, direct current (DC) when outside can produce magnetic line of force after brush, slip ring pass into rotor winding on rotor winding, the direction of this magnetic line of force is from N pole to S pole, when rotor is rotated by turbine rotor drive, stator coil is made to do the action of cutting magnetic line, and then produce induced electric motive force (induced voltage) in the stator coils, thus make electrical power generators.Asynchronous generating machine rotor is the rotor windings that non-salient pole does not have synchronous electric generator, and therefore efficiency is higher than the synchronous electric generator of same capacity with rotating speed.Meanwhile, due to asynchronous generator absence of collector, brushless, without rotor field coil, therefore safeguard and over-the-road expense low.
By the control of the controlled member on the controlled bridge arm to described four-quadrant rectifier, described four-quadrant rectifier is made to be in rectification mode of operation or inversion mode of operation.Described four-quadrant rectifier has " switch ", " rectification " and " inversion " effect.The on-off action of described four-quadrant rectifier is embodied in whole four quadrants, is jointly completed by controlled bridge arm and diode brachium pontis.From the transmission direction of energy, when described four-quadrant rectifier plays valve action, energy is sent to DC side from AC by current transformer; When described four-quadrant rectifier plays reversion reaction, then provide reactive volt-amperes needed for inductance L from direct current intermediate link via rectifier, namely transfer energy to ac input circuit.
Here it should be noted that: the electrical generator described in the present embodiment is being in generating operation mode, when being namely operated in operating mode rotary power being converted to alternating current, the power of the power end of described electrical generator can be provided by combustion engine, as diesel engine.
The embodiment of the present invention is by arranging four-quadrant rectifier, the Energy Transfer of the twocouese of described actuating device can be realized, namely the electrical generator in described actuating device can only be operated in electrical generator operating mode by prior art, become and both can be operated in electrical generator operating mode and also can be operated in motor working condition, described traction electric machine can only be operated in motor working condition by prior art, becomes both can be operated in motor working condition and also can be operated in electrical generator operating mode.When described traction electric machine is operated in electrical generator operating mode, described traction electric machine generates alternating current according to the mechanical power of vehicle driving wheel, feed back to described electrical generator, the some mechanical of such vehicle driving wheel can be converted into back electrical energy to described electrical generator, and then achieves electric braking.There is the help of electric braking, just can reduce the access times of mechanical braking, and then service life of brake block or brake lining can have been extended by actv..
Further, described in the described actuating device that provides of the embodiment of the present invention one, regulating circuit can adopt the structure shown in Fig. 2 to realize.Particularly, described regulating circuit comprises: intermediate DC circuit 31 and inverter 32.As shown in Figure 2, described four-quadrant rectifier 20, intermediate DC circuit 31, inverter 32 and traction electric machine 40 connect in turn.Wherein, described inverter 32 is for being converted to the second direct current (DC) by described first alternating current.Described intermediate DC circuit 31 is for being converted to described first direct current (DC) by described second direct current (DC).
More specifically, above-mentioned intermediate DC circuit can adopt the circuit realiration shown in Fig. 3.The schematic circuit diagram of actuating device as shown in Figure 3, described intermediate DC circuit 31 comprises: Support Capacitor 311, pressure limiting resistance 312 and chopper circuit 313.The two ends of described Support Capacitor 311 are connected with two coupling ends of described four-quadrant rectifier 20 respectively; The two ends of described chopper circuit 313 are connected with two coupling ends of described four-quadrant rectifier 20 respectively; One end of described pressure limiting resistance 312 is connected with described chopper circuit 313, and the other end is connected with a coupling end of described four-quadrant rectifier 20.
Wherein, Support Capacitor 311 for carrying out idle conversion between four-quadrant rectifier 20 and inverter 32; During concrete enforcement, because four-quadrant rectifier 20 carries out rectification for the three plase alternating current produced electrical generator 10, and export direct current of voltage regulation.In the present embodiment, Support Capacitor 311 can be specially DC support electric capacity, and DC support electric capacity is also known as DC-Link electric capacity, and it belongs to the one of passive device.DC support electric capacity, existing main employing polypropylene film medium DC support electric capacity, and mainly to the smoothing filtering of the output voltage of rectifier in inverter circuit.
Because what four-quadrant rectifier 20 exported is direct current of voltage regulation, Support Capacitor 311 makes the vdc of fluctuation remain on stable allowed band without the need to carrying out work because DC voltage fluctuation is unstable, and then make Support Capacitor 311 when filter smoothing to the output voltage of four-quadrant rectifier 20, there is no watt loss, thus achieve the idle conversion of Support Capacitor 311 between four-quadrant rectifier 20 and inverter 32.When braking operation situation, traction electric machine to inverter 32 feedback current, and then raises the vdc of inverter 32, and chopper circuit 313 and pressure limiting resistance 312, for remaining on the vdc of rising in constant scope.Chopper circuit 313 and pressure limiting resistance 312 effect are in circuit the overtensions in order to the DC terminal suppressing regenerated energy to cause.Wherein, chopper circuit 313 is by controlled for vdc reduction, carrys out controlled discharge power, the voltage of stable DC end; Pressure limiting resistance 312 is that the energy of being released by chopper circuit 313 consumes with the form of heating.
Again further, as shown in Figure 3, the actuating device described in above-described embodiment also comprises electric pressure converter 50.The two ends of described electric pressure converter 50 are connected with two coupling ends of described four-quadrant rectifier 20 respectively.Described electric pressure converter 50 is setting voltage for the voltage transitions of two coupling ends by described four-quadrant rectifier 20.Wherein, described setting voltage specifically can set according to actual needs, and the embodiment of the present invention does not do concrete restriction.
Concrete, in actual applications, described electric pressure converter can be connected with battery pack, for the direct current (DC) provided to storage battery.The electricity of described storage battery can be used for powering to static frequency converter, or powers for other DC load on vehicle.Wherein, the object that described electric pressure converter is arranged is exactly by described actuating device, and when being operated in damped condition, the electric current produced by regenerative brake is converted to the direct current (DC) required for battery pack by electric pressure converter.
As shown in Figure 4, the structural representation of vehicle that provides of the embodiment of the present invention two.As shown in Figure 4, the vehicle described in the present embodiment two comprises: actuating device.Wherein, the actuating device that the actuating device described in the present embodiment can adopt above-described embodiment one to provide.As shown in Figure 1, described actuating device comprises: the electrical generator 10 connected in turn, four-quadrant rectifier 20, regulating circuit 30 and traction electric machine 40.Wherein, current rectification mode of operation, for according to the control for brake instruction received, is switched to inversion mode of operation by described four-quadrant rectifier 20.Described traction electric machine 40 is for when described four-quadrant rectifier 20 is in described inversion mode of operation, and the power according to described traction electric machine 40 drive end generates the first alternating current; Described regulating circuit 30 for described first alternating current is converted to the first direct current (DC), and by described DC power transmission to described four-quadrant rectifier 20.Described four-quadrant rectifier 20 is also for being converted to the second alternating current by described first direct current (DC).Described electrical generator 10 for receiving described second alternating current, according to described second alternating current outputting power.
The embodiment of the present invention is by arranging four-quadrant rectifier, the Energy Transfer of the twocouese of described actuating device can be realized, namely the electrical generator in described actuating device can only be operated in electrical generator operating mode by prior art, become and both can be operated in electrical generator operating mode and also can be operated in motor working condition, described traction electric machine can only be operated in motor working condition by prior art, becomes both can be operated in motor working condition and also can be operated in electrical generator operating mode.When described traction electric machine is operated in electrical generator operating mode, described traction electric machine generates alternating current according to the mechanical power of vehicle driving wheel, feed back to described electrical generator, the some mechanical of such vehicle driving wheel can be converted into back electrical energy to described electrical generator, and then achieves electric braking.There is the help of electric braking, just can reduce the access times of mechanical braking, and then service life of brake block or brake lining can have been extended by actv..
Last it is noted that above each embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to foregoing embodiments to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (6)
1. an actuating device, is characterized in that, comprising: the electrical generator connected in turn, four-quadrant rectifier, regulating circuit and traction electric machine; Wherein,
Described four-quadrant rectifier, for according to the control for brake instruction received, switches to inversion mode of operation by current rectification mode of operation;
Described traction electric machine, for when described four-quadrant rectifier is in described inversion mode of operation, the power according to described traction electric machine drive end generates the first alternating current;
Described regulating circuit, for being converted to the first direct current (DC) by described first alternating current, and by described DC power transmission to described four-quadrant rectifier;
Described four-quadrant rectifier, also for described first direct current (DC) is converted to the second alternating current;
Described electrical generator, for receiving described second alternating current, according to described second alternating current outputting power.
2. actuating device according to claim 1, is characterized in that, described regulating circuit comprises: intermediate DC circuit and inverter, and described four-quadrant rectifier, intermediate DC circuit, inverter and traction electric machine connect in turn; Wherein,
Described inverter, for being converted to the second direct current (DC) by described first alternating current;
Described intermediate DC circuit, for being converted to described first direct current (DC) by described second direct current (DC).
3. actuating device according to claim 2, is characterized in that, described intermediate DC circuit, comprising: Support Capacitor, pressure limiting resistance and chopper circuit;
The two ends of described Support Capacitor are connected with two coupling ends of described four-quadrant rectifier respectively;
The two ends of described chopper circuit are connected with two coupling ends of described four-quadrant rectifier respectively;
One end of described pressure limiting resistance is connected with described chopper circuit, and the other end is connected with a coupling end of described four-quadrant rectifier.
4., according to described actuating device arbitrary in claims 1 to 3, it is characterized in that, also comprise: electric pressure converter, the two ends of described electric pressure converter are connected with two coupling ends of described four-quadrant rectifier respectively,
Described electric pressure converter, for being setting voltage by the voltage transitions of two of described four-quadrant rectifier coupling ends.
5., according to described actuating device arbitrary in claims 1 to 3, it is characterized in that, described electrical generator is asynchronous generator.
6. a vehicle, is characterized in that, comprises arbitrary described actuating device in the claims 1 ~ 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310695266.8A CN104709101B (en) | 2013-12-17 | 2013-12-17 | drive device and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310695266.8A CN104709101B (en) | 2013-12-17 | 2013-12-17 | drive device and vehicle |
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| CN104709101A true CN104709101A (en) | 2015-06-17 |
| CN104709101B CN104709101B (en) | 2017-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310695266.8A Active CN104709101B (en) | 2013-12-17 | 2013-12-17 | drive device and vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020037840A1 (en) * | 2018-08-21 | 2020-02-27 | 中车大连机车车辆有限公司 | Hybrid vehicle transmission system |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB766855A (en) * | 1954-02-20 | 1957-01-23 | Mijnssen & Co N V | An improved single-phase alternating current fed driving arrangement for electric traction |
| CN102627109B (en) * | 2012-04-19 | 2015-05-20 | 南车株洲电力机车有限公司 | Battery control circuit for double-electrical-energy locomotive |
| CN203119724U (en) * | 2013-01-08 | 2013-08-07 | 济南吉美乐电源技术有限公司 | Four-phase doubly salient electro-magnetic generator of two-phase rectification and superposition double exciting winding |
| CN203318183U (en) * | 2013-06-24 | 2013-12-04 | 长春轨道客车股份有限公司 | Contact grid and power pack hybrid power supply motor train unit traction system |
| CN203637592U (en) * | 2013-12-17 | 2014-06-11 | 北车大连电力牵引研发中心有限公司 | Driving device and vehicle |
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2013
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020037840A1 (en) * | 2018-08-21 | 2020-02-27 | 中车大连机车车辆有限公司 | Hybrid vehicle transmission system |
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| CN104709101B (en) | 2017-01-18 |
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Address after: 116045 Liaoning province Dalian City Lushun Economic Development Zone Dalian Hao Yang No. 1 North Street Applicant after: CRRC DALIAN ELECTRIC TRACTION R & D CENTER CO., LTD. Address before: 116045 Liaoning province Dalian City Lushun Economic Development Zone Dalian Hao Yang No. 1 North Street Applicant before: Co., Ltd of Bei Che Dalian Electric Traction R & D Center |
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