CN203637592U - Driving device and vehicle - Google Patents
Driving device and vehicle Download PDFInfo
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- CN203637592U CN203637592U CN201320836142.2U CN201320836142U CN203637592U CN 203637592 U CN203637592 U CN 203637592U CN 201320836142 U CN201320836142 U CN 201320836142U CN 203637592 U CN203637592 U CN 203637592U
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- quadrant rectifier
- alternating current
- actuating device
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- 230000007704 transition Effects 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 description 4
- 238000004804 winding Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
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- 229920001155 polypropylene Polymers 0.000 description 1
- 230000001141 propulsive effect Effects 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
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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 utility model provides a driving device and a vehicle. The driving device comprises a power generator, a four-quadrant rectifier, an adjusting circuit and a traction motor which are connected sequentially. The four-quadrant rectifier is used for switching the current rectification working state into the inversion working state according to received brake control instructions. The traction motor is used for generating a first alternating current according to power of the driving end of the traction motor when the four-quadrant rectifier is in the inversion working state. The adjusting circuit is used for converting the first alternating current into a first direct current and transmitting the first direct current to the four-quadrant rectifier which is further used for converting the first direct current into a second alternating current. The power generator is used for receiving the second alternating current and outputting power according to the second alternating current. By means of the driving device, electric braking can be achieved, and mechanical braking utilization times can be effectively reduced.
Description
Technical field
The utility model relates to vehicular drive control field, relates in particular to a kind of actuating device and vehicle.
Background technology
At present, internal combustion actuating device generally adopts the structure of the diesel engine, synchronous electric generator, diode rectifier, inverter and the traction electric machine that connect in turn.Its principle of work is: diesel engine band engine alternator sends three-phase synchronous alternating current, and diode rectifier will generate direct current (DC) after the three-phase alternating current electric rectification receiving.The DC inverter receiving is become three phase variable frequency pressure regulation alternating current by inverter, drives the propulsive effort of vehicle driving wheel to supply with traction electric machine output.
Diode rectifier in existing structure only has rectification function, the output drive strength that existing internal combustion actuating device can only be unidirectional.And in the time of needs abrupt deceleration vehicle driving wheel, the actuating device of existing structure can not play any help to braking, still need to adopt mechanical braking mode to realize the braking to vehicle driving wheel.The number of times that mechanical braking uses is more, and also just decrease the service life of brake block or brake pad.
Utility model content
The utility model provides a kind of actuating device and vehicle, to realize electric braking.
Aspect of the utility model provides a kind of actuating device, comprising: the electrical generator, four-quadrant rectifier, regulating circuit and the traction electric machine that connect in turn; Wherein,
Described four-quadrant rectifier, for according to the braking control command receiving, switches to inversion mode of operation by current rectification mode of operation;
Described traction electric machine, for when described four-quadrant rectifier is during in described inversion mode of operation, generates corresponding the first alternating current according to the power of described traction electric machine drive end;
Described regulating circuit, for described the first alternating current is converted to the first direct current (DC), and transfers to described four-quadrant rectifier by described direct current (DC);
Described four-quadrant rectifier, also for being converted to the second alternating current by described the first direct current (DC);
Described electrical generator, for receiving described the second alternating current, exports corresponding power according to described the second alternating current.
Actuating device as above, wherein, described regulating circuit comprises: intermediate DC circuit and inverter, 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 the first alternating current;
Described intermediate DC circuit, for being converted to described the first direct current (DC) by described the second direct current (DC).
Actuating device as above, wherein, 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.
Actuating device as above, also comprises: electric pressure converter, and 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 coupling ends of described four-quadrant rectifier.
Actuating device as above, wherein, described electrical generator is asynchronous generator.
Another aspect of the present utility model provides a kind of vehicle, and described vehicle comprises actuating device, wherein, comprising: the electrical generator, four-quadrant rectifier, regulating circuit and the traction electric machine that connect in turn; Wherein,
Described four-quadrant rectifier, for according to the braking control command receiving, switches to inversion mode of operation by current rectification mode of operation;
Described traction electric machine, for when described four-quadrant rectifier is during in described inversion mode of operation, generates corresponding the first alternating current according to the power of described traction electric machine drive end;
Described regulating circuit, for described the first alternating current is converted to the first direct current (DC), and transfers to described four-quadrant rectifier by described direct current (DC);
Described four-quadrant rectifier, also for being converted to the second alternating current by described the first direct current (DC);
Described electrical generator, for receiving described the second alternating current, exports corresponding power according to described the second alternating current.
As shown from the above technical solution, the utility model embodiment is by arranging four-quadrant rectifier, can realize the Energy Transfer of the twocouese of described actuating device, be that electrical generator in described actuating device is by being operated in electrical generator operating mode in 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 be by being operated in motor working condition in prior art, becomes both can be operated in motor working condition and also can be operated in electrical generator operating mode.In the time that 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 part mechanical energy of vehicle driving wheel is converted into electric energy and feeds back to described electrical generator like this, and then has realized electric braking.There is the help of electric braking, just can reduce the access times of mechanical braking, and then can actv. have extended the service life of brake block or brake lining.
Brief description of the drawings
The structural representation of the actuating device that Fig. 1 provides for the utility model embodiment mono-;
The structural representation that described in the actuating device that Fig. 2 provides for the utility model embodiment mono-, regulating circuit is realized;
Fig. 3 realizes schematic diagram for the circuit of the actuating device that the utility model embodiment mono-provides;
The vehicle structure schematic diagram that is provided with actuating device that Fig. 4 provides for the utility model embodiment bis-.
Detailed description of the invention
The structural representation of the actuating device that as shown in Figure 1, the utility model embodiment mono-provides.As shown in Figure 1, the actuating device described in the present embodiment one comprises: the electrical generator 10, four-quadrant rectifier 20, regulating circuit 30 and the traction electric machine 40 that connect in turn.Wherein, described four-quadrant rectifier 20, for according to the braking control command receiving, switches to inversion mode of operation by current rectification mode of operation.Described traction electric machine 40, for when described four-quadrant rectifier is during in described inversion mode of operation, generates corresponding the first alternating current according to the power of described traction electric machine 40 drive ends.Described regulating circuit 30 is for described the first alternating current is converted to the first direct current (DC), and described direct current (DC) is transferred to described four-quadrant rectifier.Described four-quadrant rectifier 20 is also for being converted to the second alternating current by described the first direct current (DC).Described electrical generator 10, for receiving described the second alternating current, is exported corresponding power according to described the second alternating current.
Wherein, described four-quadrant rectifier is an interchange 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 utility model embodiment, the type of electrical generator 10 can be multiple, and the utility model is not specifically limited, and while specifically enforcement, electrical generator can be selected asynchronous generator.Casehistory, asynchronous generator refers to and utilizes between stator and rotor the interactional a kind of alternating current generator of inducing current in air-gap rotating magnetic field and rotor winding.When specific works, in stator core slot, be placed with A, B, C three-phase and the equal coil of coil turn, wherein the coil on rotor core groove divides N, S the two poles of the earth, when the direct current (DC) of 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 the N utmost point to the S utmost point, in the time that rotor is rotated by turbine rotor drive, make stator coil do the action of cutting magnetic line, and then in stator coil, produce induced electric motive force (induced voltage), thereby make electrical generator generating.Asynchronous generating machine rotor is the rotor winding that non-salient pole does not have synchronous electric generator, therefore efficiency higher than same capacity the synchronous electric generator 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 of described four-quadrant rectifier, make described four-quadrant rectifier 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, provide inductance L required reactive volt-amperes from direct current intermediate link via rectifier, transfer energy to ac input circuit.
Here it should be noted that: the electrical generator described in the present embodiment, in generating operation mode, is operated in when rotary power is converted to the operating mode of alternating current, and the power of the power end of described electrical generator can be provided by combustion engine, as diesel engine.
The utility model embodiment is by arranging four-quadrant rectifier, can realize the Energy Transfer of the twocouese of described actuating device, be that electrical generator in described actuating device is by being operated in electrical generator operating mode in 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 be by being operated in motor working condition in prior art, becomes both can be operated in motor working condition and also can be operated in electrical generator operating mode.In the time that 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 part mechanical energy of vehicle driving wheel is converted into electric energy and feeds back to described electrical generator like this, and then has realized electric braking.There is the help of electric braking, just can reduce the access times of mechanical braking, and then can actv. have extended the service life of brake block or brake lining.
Further, regulating circuit described in the described actuating device that the utility model embodiment mono-provides 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 the first alternating current.Described intermediate DC circuit 31 is for being converted to described the first direct current (DC) by described the second direct current (DC).
More specifically, above-mentioned intermediate DC circuit can adopt the circuit shown in Fig. 3 to realize.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; When concrete enforcement, because four-quadrant rectifier 20 carries out rectification for the three plase alternating current that electrical generator 10 is produced, 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 claims 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 in inverter circuit, be mainly that the output voltage of rectifier is carried out to smothing filtering.
Because what four-quadrant rectifier 20 was exported is direct current of voltage regulation, Support Capacitor 311 makes the vdc of fluctuation remain on stable allowed band without carry out work because DC voltage fluctuation is unstable, and then make Support Capacitor 311 in the time that the output voltage of four-quadrant rectifier 20 is smoothly filtered, there is no watt loss, thereby realized the idle conversion of Support Capacitor 311 between four-quadrant rectifier 20 and inverter 32.In the time of braking working condition, traction electric machine is to inverter 32 feedback currents, and then the vdc of rising 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 the effect of pressure limiting resistance 312 in circuit are the overtensions in order to suppress the DC terminal that regenerated energy causes.Wherein, chopper circuit 313 is by controlled vdc reduction, carrys out controlled discharge power, the voltage of stable DC end; Pressure limiting resistance 312 is that the energy that chopper circuit 313 is released 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 for being setting voltage by the voltage transitions of two coupling ends of described four-quadrant rectifier 20.Wherein, described setting voltage can specifically be set according to actual needs, and the utility model embodiment does not do concrete restriction.
Concrete, in actual applications, described electric pressure converter can be connected with battery pack, for needed direct current (DC) is provided to storage battery.The electric weight of described storage battery can be used for to static frequency converter power supply, or is other DC load power supplies on vehicle.Wherein, the object that described electric pressure converter arranges is exactly by described actuating device, and while being operated in damped condition, the electric current that regenerative brake is produced is converted to the needed direct current (DC) of battery pack by electric pressure converter.
The structural representation of the vehicle that as shown in Figure 4, the utility model embodiment bis-provides.As shown in Figure 4, the vehicle described in the present embodiment two comprises: actuating device.Wherein, the actuating device described in the present embodiment can adopt the actuating device that above-described embodiment one provides.As shown in Figure 1, described actuating device comprises: the electrical generator 10, four-quadrant rectifier 20, regulating circuit 30 and the traction electric machine 40 that connect in turn.Wherein, described four-quadrant rectifier 20, for according to the braking control command receiving, switches to inversion mode of operation by current rectification mode of operation.Described traction electric machine 40, for when described four-quadrant rectifier 20 is during in described inversion mode of operation, generates the first alternating current according to the power of described traction electric machine 40 drive ends; Described regulating circuit 30 is for described the first alternating current is converted to the first direct current (DC), and described direct current (DC) is transferred to described four-quadrant rectifier 20.Described four-quadrant rectifier 20 is also for being converted to the second alternating current by described the first direct current (DC).Described electrical generator 10 is for receiving described the second alternating current, according to described the second alternating current outputting power.
The utility model embodiment is by arranging four-quadrant rectifier, can realize the Energy Transfer of the twocouese of described actuating device, be that electrical generator in described actuating device is by being operated in electrical generator operating mode in 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 be by being operated in motor working condition in prior art, becomes both can be operated in motor working condition and also can be operated in electrical generator operating mode.In the time that 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 part mechanical energy of vehicle driving wheel is converted into electric energy and feeds back to described electrical generator like this, and then has realized electric braking.There is the help of electric braking, just can reduce the access times of mechanical braking, and then can actv. have extended the service life of brake block or brake lining.
Finally it should be noted that: above each embodiment, only in order to the technical solution of the utility model to be described, is not intended to limit; Although the utility model is had been described in detail with reference to aforementioned each embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or some or all of technical characterictic is wherein equal to replacement; And these amendments or replacement do not make the essence of appropriate technical solution depart from the scope of the each embodiment technical scheme of the utility model.
Claims (6)
1. an actuating device, is characterized in that, comprising: the electrical generator, four-quadrant rectifier, regulating circuit and the traction electric machine that connect in turn; Wherein,
Described four-quadrant rectifier, for according to the braking control command receiving, switches to inversion mode of operation by current rectification mode of operation;
Described traction electric machine, for when described four-quadrant rectifier is during in described inversion mode of operation, generates the first alternating current according to the power of described traction electric machine drive end;
Described regulating circuit, for described the first alternating current is converted to the first direct current (DC), and transfers to described four-quadrant rectifier by described direct current (DC);
Described four-quadrant rectifier, also for being converted to the second alternating current by described the first direct current (DC);
Described electrical generator, for receiving described the second alternating current, according to described the 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 the first alternating current;
Described intermediate DC circuit, for being converted to described the first direct current (DC) by described the 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 arbitrary described actuating device in claim 1～3, 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 coupling ends of described four-quadrant rectifier.
5. according to arbitrary described actuating device in claim 1～3, 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 |
|---|---|---|---|
| CN201320836142.2U CN203637592U (en) | 2013-12-17 | 2013-12-17 | Driving device and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320836142.2U CN203637592U (en) | 2013-12-17 | 2013-12-17 | Driving device and vehicle |
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| CN203637592U true CN203637592U (en) | 2014-06-11 |
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| CN201320836142.2U Expired - Lifetime CN203637592U (en) | 2013-12-17 | 2013-12-17 | Driving device and vehicle |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106240551A (en) * | 2016-07-29 | 2016-12-21 | 株洲中车时代电气股份有限公司 | A kind of electric braking control method and control system |
| CN104709101B (en) * | 2013-12-17 | 2017-01-18 | 中车大连电力牵引研发中心有限公司 | drive device and vehicle |
| WO2018023896A1 (en) * | 2016-08-04 | 2018-02-08 | 中车戚墅堰机车有限公司 | Circuit for achieving variable frequency starting of ac diesel locomotive engine based on four-quadrant converter |
| CN112187020A (en) * | 2020-09-27 | 2021-01-05 | 申彦峰 | Switching semiconductor device parallel circuit and control method thereof |
-
2013
- 2013-12-17 CN CN201320836142.2U patent/CN203637592U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104709101B (en) * | 2013-12-17 | 2017-01-18 | 中车大连电力牵引研发中心有限公司 | drive device and vehicle |
| CN106240551A (en) * | 2016-07-29 | 2016-12-21 | 株洲中车时代电气股份有限公司 | A kind of electric braking control method and control system |
| WO2018023896A1 (en) * | 2016-08-04 | 2018-02-08 | 中车戚墅堰机车有限公司 | Circuit for achieving variable frequency starting of ac diesel locomotive engine based on four-quadrant converter |
| CN112187020A (en) * | 2020-09-27 | 2021-01-05 | 申彦峰 | Switching semiconductor device parallel circuit and control method thereof |
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Address after: 116045 Liaoning province Dalian City Lushun Economic Development Zone Dalian Hao Yang No. 1 North Street Patentee 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 Patentee before: Co., Ltd of Bei Che Dalian Electric Traction R & D Center |