CN201626316U - Brushless double-fed motor driving device of electric automobile - Google Patents
Brushless double-fed motor driving device of electric automobile Download PDFInfo
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- CN201626316U CN201626316U CN2009202490067U CN200920249006U CN201626316U CN 201626316 U CN201626316 U CN 201626316U CN 2009202490067 U CN2009202490067 U CN 2009202490067U CN 200920249006 U CN200920249006 U CN 200920249006U CN 201626316 U CN201626316 U CN 201626316U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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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
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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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 belongs to the field of driving devices of electric automobiles and hybrid electric automobiles, in particular to a brushless double-fed motor driving device of the electric automobile, which comprises a brushless double-fed motor, a stator inverter, a rotor inverter, a stator/rotor winding relay control circuit, a motor driving and controlling module, a whole electrical automobile controller, a storage battery, a battery management unit and a current and voltage rotating speed sensor; ports of the stator inverter and the rotor inverter are respectively connected with a port of the storage battery; a port of the motor driving and controlling module is respectively connected with the ports of the stator inverter and the rotor inverter; the port of the motor driving and controlling module is respectively connected with a port of the stator/rotor winding relay control circuit; the motor driving and controlling module comprises a central processing module, a current/voltage signal conditioning/conversion circuit, a photoelectric encoder signal conditioning circuit, and a stator/rotor inverter isolation driving circuit; and the brushless double-fed motor driving device can increase the control torque of the automobile when in a high-speed area, enlarge the range of speed regulation, and improve energy recovery rate as well as driving mileage of the electric automobile.
Description
Technical field
The utility model belongs to electronlmobil and mixed power automobile driving system and control technology field thereof, relates to a kind of brushless double-fed machine actuating device of electronlmobil that can be applicable to hybrid vehicle, the contour performance speed governing system of electric locomotive.
Background technology
Motor driven systems is the critical component of electronlmobil, and under the prerequisite that the Vehicular accumulator cell technology does not make a breakthrough as yet, it is determining the drive ability of car load.The motor that present electronlmobil uses mainly contains three kinds of induction motor, switched reluctance machines and magneto-electric machines.Induction motor is simple in structure, the reliability height, and the application of vector controlled, Direct Torque Control makes it to have had the good characteristic that is similar to DC machine again, but can the current control very flexible.Wound induction motor operation control alerting ability height, but have brush.Switched reluctance machines is simple in structure, firm, has both had high efficiency, the high reliability of Vector Control System for Asynchronous Machine, have the good controller characteristic curve of Direct Current Governor System again, but its noise is big, torque pulsation is serious, adopts it to drive automobile, and stationarity is relatively poor; Magneto-electric machine has efficient, high control accuracy, high torque density, low noise characteristics have higher using value aspect Drive for EV, but magneto-electric machine needs the detection rotor position of magnetic pole, and high-speed cruising is comparatively complicated; Permanent-magnet material belongs to scarce resource, costs an arm and a leg; And permanent magnet has the demagnetization problem, and cost is also than higher, and these have all restricted the application in automobile of magneto-electric machine.
The disadvantage of tradition double feedback electric engine is to have brush, brushless dual-feed motor has structurally overcome the deadly defect of coiling electric motor double-fed operation, but it uses still very limitation, the application of double feedback electric engine at present concentrates on generator operation mostly, and brushless dual-feed motor is applied to the drive system of electronlmobil and hybrid vehicle and does not appear in the newspapers as yet.
The utility model content
The utility model is intended to overcome the deficiencies in the prior art part and a kind of electronlmobil double feedback electric engine actuating device is provided; It can improve the control torque in automobile high-speed district, and expanding governing promotes energy recovery rate; By the energy consumption of reduction motor driven systems, and then the continuation of the journey mileage of raising electronlmobil; When inverter circuit breaks down, must not increase equipment promptly can be automobile the low speed redundancy running is provided, though increase by a cover inverter, but by capacity to two inverters of energy flow analysis can optimization under the various running statees of system, the capacity of each two inverter is lowered, because the price of high capacity inverter and low capacity inverter is non-linear rising, therefore total inverter cost does not have big increase.
For achieving the above object, the brushless double-fed machine actuating device of the utility model electronlmobil is achieved in that
The brushless double-fed machine actuating device of a kind of electronlmobil, it comprises brushless dual-feed motor, stator inverter, rotor inverter, rotor/stator winding bang-bang circuit, motor-driven and control module, vehicle control unit of electric vehicle, storage battery, battery management unit and current/voltage tachogen;
The port of described stator inverter and rotor inverter connects the port of storage battery respectively; The stator and rotor of brushless dual-feed motor absorb energy or to the storage battery feedback energy by stator inverter and rotor inverter from storage battery successively;
The port of described motor-driven and control module connects the port of stator inverter and rotor inverter respectively, provides pwm control signal by described motor-driven and control module to stator inverter and rotor inverter;
Described vehicle control unit of electric vehicle receives the motor operating state signal that motor-driven and control module provide, and sends the torque control command to it;
Described current/voltage tachogen and battery management unit send feedback signal and battery management signal to motor-driven and control module successively;
The port of described motor-driven and control module connects the port of rotor/stator winding bang-bang circuit; Rotor/stator winding bang-bang circuit is according to the operational mode of the instruction control brushless dual-feed motor of described motor-driven and control module;
The type of drive of the described brushless dual-feed motor of information Control that described rotor/stator winding bang-bang circuit is provided according to entire car controller by motor-driven and control module.
As a kind of preferred version, motor-driven described in the utility model and control module comprise: central processing module, current/voltage signal condition/translation circuit, photoelectric encoder signal conditioning circuit, rotor/stator inverter isolated drive circuit; The feedback signal that the current/voltage sensor is gathered is through current/voltage signal condition/translation circuit filtering and conversion, and the feedback signal that tachogen is gathered inputs to central processing module after the photoelectric encoder signal conditioning circuit carries out shaping and frequency multiplication; PWM drive signal by central processing module calculating stator inverter and rotor inverter exports stator inverter and rotor inverter to after rotor/stator inverter isolated drive circuit carries out power gain.
As another kind of preferred version, voltage/current tachogen described in the utility model comprises: Hall-type voltage/current sensor and incremental optical-electricity encoder.
Further, central processing module described in the utility model adopts the DSP-TMS320F2812 chip, utilizes its 12 built-in PWM lead-out terminals to control the input voltage of double feedback electric engine stator and rotor simultaneously.
Further, stator inverter described in the utility model and rotor inverter adopt the IGBT on-off element.
In addition, the utility model is provided with rotor/stator fault of converter check and analysis unit in described motor in electric automobile driving and control module; The port of described rotor/stator fault of converter check and analysis unit connects the port of stator inverter and rotor inverter through central processing unit; Described rotor/stator fault of converter check and analysis unit is monitored the mode of operation of stator inverter and rotor inverter in real time, and fault status signal is sent into entire car controller.
The utility model provides a kind of later-model motor driven systems---brushless dual-feed motor drive system for electronlmobil, the brushless dual-feed motor speed governing has the power factor height, dynamic property is good, advantages such as speed-regulating range width, be applied to the drive system of automobile, with electric energy difference feed-in stator and armature loop, current collection moves and electricity generate function is an one, can realize double-fed flexibly, asynchronous, synchronous operation mode, significantly improve the controllability of the energy of driving system, promote the energy recovery rate under the braking mode to greatest extent, simultaneously under system does not increase the situation of any equipment, do not provide inverter redundant under the set of fault state, improve the reliability that travels in the automobile field.
The utility model is with the drive motor of brushless dual-feed motor as electronlmobil, can obtain the response of wide speed regulating range and Fast Dynamic, energy feedback rate height under the braking mode, mechanical specialities is hard, and immunity to a distrubance is strong, and under the situation of a cover inverter generation major failure, motor still can be used as general induction motor and uses, for the automobile of field activity, be equivalent to whole actuating device and exist one to overlap " redundancy " system that need not increase equipment, improved the reliability of open-air automotive operation greatly.For the research and development of driving motor for electric automobile control system provide new approaches.
Brushless dual-feed motor is asynchronous, synchronous, the controlling flexibly of the multiple operation scheme of double-fed, is more suitable for the operating condition of Automobile Complex, and wide speed regulating range has reduced the requirement to the automobile mechanical driving device, braking energy percent recovery height.
The utility model also can be applicable to field of hybrid electric vehicles, and in today that the development of power electronic devices is maked rapid progress, the utility model has good application prospects and market outlook.
Comprehensive above factor, compared with prior art, application of the present utility model can be aspect following the controller performance of raising automobile:
1, can improve the control torque in automobile high-speed district, expanding governing.
2, can improve energy recovery rate under the automobile brake state, improve the continuation of the journey mileage of electronlmobil.
3, can reduce the capacity of single inverter, its working current is reduced, reduce the energy consumption of motor driven systems.
4, when inverter breaks down, but automobile reduction of speed redundancy is travelled the reliability of raising drive system work.
Description of drawings
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.Protection domain of the present utility model not only limits to the statement with following content.
Fig. 1 is the integral structure sketch of the utility model drive system of electric automobile;
Fig. 2 is the brushless double-fed machine actuating device block scheme of the utility model electronlmobil;
Fig. 3 is the utility model CAN bus and serial interface communicating circuit;
Fig. 4 is the utility model stator side electric current and voltage acquisition and conditioning circuit;
Fig. 5 is the utility model stator side inverter switch element isolated drive circuit;
Fig. 6 is the utility model photoelectric encoder signal conditioning circuit;
Fig. 7 is the utility model rotor bang-bang circuit;
Fig. 8 is the utility model rotor-side electric current and voltage acquisition and conditioning circuit;
Fig. 9 is the utility model rotor side inverter on-off element isolated drive circuit;
Figure 10 is the utility model fault detection analysis and protective circuit.
The specific embodiment
As shown in Figures 1 and 2, the brushless double-fed machine actuating device of electronlmobil, it comprises brushless dual-feed motor, stator inverter, rotor inverter, rotor/stator winding bang-bang circuit, motor-driven and control module, vehicle control unit of electric vehicle, storage battery, battery management unit and current/voltage tachogen;
The port of described stator inverter and rotor inverter connects the port of storage battery respectively; The stator and rotor of brushless dual-feed motor absorb energy or to the storage battery feedback energy by stator inverter and rotor inverter from storage battery successively;
The port of described motor-driven and control module connects the port of stator inverter and rotor inverter respectively, provides control signal by described motor-driven and control module to stator inverter and rotor inverter;
Described vehicle control unit of electric vehicle receives the motor operating state signal that motor-driven and control module provide, and sends the torque control command to it;
Described current/voltage tachogen and battery management unit send feedback signal and battery management signal to motor-driven and control module successively;
The port of described motor-driven and control module connects the port of rotor/stator winding bang-bang circuit; Rotor/stator winding bang-bang circuit is according to the operational mode of the instruction control brushless dual-feed motor of described motor-driven and control module;
The type of drive of the described brushless dual-feed motor of information Control that described rotor/stator winding bang-bang circuit is provided according to entire car controller by motor-driven and control module.
Described motor-driven and control module comprise: central processing module, current/voltage signal condition/translation circuit, photoelectric encoder signal conditioning circuit, rotor/stator inverter isolated drive circuit; The feedback signal that the current/voltage sensor is gathered is through current/voltage signal condition/translation circuit filtering and conversion, and tachogen inputs to central processing module after the photoelectric encoder signal conditioning circuit carries out shaping and frequency multiplication; PWM drive signal by central processing module calculating stator inverter and rotor inverter exports stator inverter and rotor inverter to after rotor/stator inverter isolated drive circuit carries out power gain.
Described voltage/current tachogen comprises: Hall-type voltage/current sensor and incremental optical-electricity encoder.
Described central processing module adopts the DSP-TMS320F2812 chip, utilizes its 12 built-in PWM lead-out terminals to control the input voltage of double feedback electric engine stator and rotor simultaneously.Described stator inverter and rotor inverter adopt the IGBT on-off element.
The utility model mainly comprises brushless dual-feed motor, motor-driven and control module, rotor/stator inverter and several major parts of accessory feed thereof.
Wherein, motor-driven and control module comprise: central processing module (CPU-DSP-TMS320F2812 chip), current/voltage signal condition/translation circuit, photoelectric encoder signal conditioning circuit, rotor/stator inverter isolated drive circuit; The feedback signal that the current/voltage sensor is gathered is through current/voltage signal condition/translation circuit filtering and conversion, and tachogen inputs to central processing module after the photoelectric encoder signal conditioning circuit carries out shaping and frequency multiplication; PWM drive signal by central processing module calculating stator inverter and rotor inverter exports stator inverter and rotor inverter to after rotor/stator inverter isolated drive circuit carries out power gain.
Motor-driven described in the utility model and control module comprise driver module and control module.Control module in described motor-driven and the control module comprises central processor CPU-DSP-TMS320F2812 chip, fault detection analysis and protective circuit referring to Figure 10, current/voltage signal condition/translation circuit, and promptly stator and rotor voltage and current signal acquisition and conditioning circuit is referring to Fig. 4 and Fig. 8.Photoelectric encoder signal conditioning circuit in motor-driven and the control module is referring to Fig. 6.
Referring to Fig. 2, the utility model is measured current of electric/voltage signal by the Hall-type voltage/current sensor and is sent into the CPU-DSP-TMS320F2812 chip through current/voltage signal condition/translation circuit conversion arrangement; Described incremental optical-electricity encoder is measured the rotating speed of motor signal and import the CPU-DSP-TMS320F2812 chip after the photoelectric encoder signal conditioning circuit is carried out shaping and frequency multiplication;
The stator and rotor input end of the output termination brushless dual-feed motor of described stator inverter and rotor inverter; Driver module in described motor-driven and the control module comprises rotor/stator inverter isolated drive circuit, referring to Fig. 5 and Fig. 9.The input end of the port of rotor/stator inverter isolated drive circuit and stator inverter and rotor inverter joins; Driver module in described motor-driven and the control module and control module are carried out communication by CAN bus and entire car controller, and receiving control information also returns running state, to realize the control to described brushless dual-feed motor, referring to Fig. 3; The alternating-current voltage/AC voltage that described stator inverter and rotor inverter convert the vdc of storage battery to variable frequency respectively according to the pwm signal that sends in motor-driven and the control module offers the stator and the rotor of described brushless dual-feed motor.Rotor inverter described in the utility model adopts voltage source inverter.
The utility model drive motor duplex winding brushless, stator and rotor respectively by with motor-driven and control module join two the cover inverter power supplies; Two cover inverters directly join with storage battery, from storage battery absorption energy or to the storage battery feedback energy.
The feedback signal (motor stator and rotor electric current, the real-time image data of inverter input voltage and motor speed) that motor-driven and control module need is provided by Hall-type voltage/current sensor and incremental optical-electricity encoder, referring to Fig. 2.Motor-driven and control module receive the torque command signal that entire car controller provides and the information of battery management unit by the CAN bus, provide feedback signal by electric current, voltage, tachogen, employing voltage and current signal conditioning translation circuit is with voltage, current feedback signal filtering and be transformed to the receivable signal of master cpu chip DSP-TMS320F2812 chip, adopts the signal conditioning circuit of incremental optical-electricity encoder that speed feedback signal is carried out shaping and frequency multiplication.Cpu chip DSP-TMS320F2812 chip in motor-driven and the control module calculates the PWM drive signal of two cover inverters, carries out exporting behind the power gain through switch element driver circuit, for two 12 switch element IGBT of overlapping inverters provide control signal.
By the cpu chip DSP-TMS320F2812 chip software in motor-driven and control module control stator and rotor winding bang-bang circuit, that motor is adopted when high velocity or heavy duty is fixed/double-fed operation scheme that rotor is powered simultaneously; When low regime or underloading, can adopt the asynchronous operation mode of stator power supply.If stator inverter et out of order adopts the rotor asynchronous operation mode of power supply separately, if rotor inverter et out of order adopts the stator asynchronous operation mode of power supply separately.At descending or glancing impact, stator and rotor touch feedback energy by stator to electric power storage simultaneously to the storage battery feedback energy during low speed during high speed.
Two inverters of the storage battery of the brushless double-fed machine actuating device of the utility model electronlmobil and rotor link to each other, and storage battery is fixed/rotor power supply by inverter when electronic, and glancing impact is fixed/and rotor advances storage battery by inverter with energy recovery.Inverter circuit becomes the alternating-current voltage/AC voltage of adjustable frequency with dc voltage conversion, is the double feedback electric engine power supply.The DSP-TMS320F2812 chip of motor-driven and control module carries out communication by CAN bus and entire car controller, receive the torque control command and return the running state of motor, when automobile need send drive torque, entire car controller sends instruction to the DSP-TMS320F2812 chip, dsp chip is controlled computing according to the Direct Torque Control algorithm, obtain the pwm control signal of two cover inverter switch element IGBT, isolate the back through photoelectricity and give inverter circuit after by the switch element driver circuit amplification, the alternating-current voltage/AC voltage that inverter circuit converts the vdc of storage battery to variable frequency according to pwm signal offers the stator and the rotor of described brushless dual-feed motor.When the energy recovery mode of operation, entire car controller sends instruction to dsp chip, the control signal that inverter circuit sends according to dsp chip, be operated in the rectification mode of operation, with the alternating current repoussage of motor feedback is vdc, to battery charge, referring to Fig. 1 and Fig. 2.
Because native system adopts double feedback electric engine Direct Torque Control method, control algorithm need be decided, the rotor three-phase electric current, the real time data of inverter circuit bus vdc and motor speed, Hall-type electric current and voltage sensor in the voltage/current tachogen are finished electric current, the sampling of voltage, incremental optical-electricity encoder is finished the sampling of motor speed, send into the CPU of motor-driven and control module through the voltage and current signal modulate circuit of motor---the input end of DSP-TMS320F2812 chip, CPU carries out the Direct Torque Control computing, realize the magnetic linkage closed loop, torque closed loop and speed closed loop control, by task manager output pwm control signal, as shown in Figure 2.
As a kind of preferred version, the utility model is provided with motor stator inverter and rotor fault of converter check and analysis unit especially in motor-driven and control module, the mode of operation of the two cover RHVC of monitoring in real time, when detecting stator inverter et out of order, motor-driven and control module are sent instruction, with the three-phase stator winding short circuit of brushless dual-feed motor, switch to the monolateral speed governing state of rotor inversion this moment; When detecting rotor inverter et out of order,, switch to the monolateral speed governing state of stator inverter this moment with the rotor three-phase winding circuit short circuit of brushless dual-feed motor; The mode of this redundancy has improved the reliability of this drive system greatly, as shown in Figure 7.S1, S2, S3 are respectively the control signals that comes from DSP, and the asynchronous mode that the S1 signal is used to the system that realizes starts, and the S2 signal switches to the double-fed running state by asynchronous mode, running state when the S3 signal is the stator fault of converter with system's operation.S1 is provided by the T3PWM of control desk P1 mouth, and S2 is provided by T4PWM, and S3 is provided by T1CTPR, referring to Fig. 7.
The utility model used for electric vehicle brushless dual-feed motor drive system and control technology thereof, its driven by power is partly used brushless dual-feed motor, use the Direct Torque Control theory of frequency control on the control technology, the electrical motor of this electric machine control system current collection electrical automobile, electrical generator, starter be in one, by control technology realize starting, brake, the operation of just changeing, reverse.
Brushless dual-feed motor described in the utility model is a kind of Wound-rotor type brushless dual-feed motor, and its structure comprises casing, stator, phase-wound rotor, motor shaft.Wherein, be provided with two on the stator core and overlap independently coil winding, the shared same fixed core of two cover windings, it has wideer speed adjustable range than common electric machine, faster speed adjusting performance, the control of the energy flow direction more flexibly.
Adopt two inverters aspect the realization of control system, the utility model adopts two cover inverters, realizes the two-way flow of brushless dual-feed motor control system energy, referring to Fig. 1 and Fig. 2.Difficult point problem for the capacity coupling that solves motor stator and rotor winding inverter, the utility model adopts the method for Reactive Power Control, make the rotor reactive volt-amperes reduce to minimum, improve drive efficiency, obtain minimum copper loss, reduce the on-off element capacitance grade in the actuating device, the capacity of two cover inverters is all significantly reduced, reduce system cost.
As shown in Figure 1, for using the drive system of electric automobile structure of brushless dual-feed motor.
Entire car controller provides the torque control command by the CAN bus for motor driven systems and receives the operating state signal of motor driven systems, motor drive controller is according to the operation of car load instruction control motor, storage battery provides the driving energy for motor, during automobile brake, motor can advance storage battery with energy recovery on the automobile axle.Motor adopts brushless dual-feed motor, its rotor all connects three phase inverter, and the alternating-current voltage/AC voltage that has pwm signal that two inverters send according to motor-driven and control module to convert the vdc of battery to variable frequency offers the stator and the rotor of double feedback electric engine.
Motor-driven and control module adopt frequency control Direct Torque Control method.
The utility model hardware block diagram as shown in Figure 2, according to the difference of strong and weak electricity, system is made up of two circuit cards, is respectively power amplifier board and control desk.Power amplifier board is integrated in the system all strong power parts comprise converter main circuit, and bus voltage detects, and stator and rotor two-way current signal detects, protective circuit and rotor winding bang-bang circuit.Control desk uses motor special integrated circuit DSP-TMS320F2812 to be CPU, control desk mainly contains following components and forms: CPU and peripheral auxiliary circuits, the main realization of being responsible for Strategy of Direct Torque Control and algorithm, the work such as PWM energizing signal that produce IGBT; CAN bus and serial communication modular are by bus and the communication of vehicle complete vehicle controller, reception is to the control information of motor and return running state, make the vehicle complete vehicle controller carry out controls such as speed governing, braking to motor according to information requirements, switch element IGBT drives buffer circuit, bus voltage and stator and rotor current signal modulate circuit, photoelectric encoder signal conditioning circuit and fault detection analysis circuit.
The brushless dual-feed motor that the utility model adopts may operate at multiple kind of mode of speed control of the different asynchronous and double-fed of power supply mode, all can apply the controlled voltage of frequency in motor stator and rotor both sides and realize adjusting to motor speed.
Because the complexity of condition of road surface, electronlmobil is relatively harsher to the requirement of double feedback electric engine drive system, requires double feedback electric engine that higher starting torque can be provided, can be in bigger speed adjustable range internal ratio speed governing faster, and can the actv. feedback electric energy.
Be with being appreciated that, more than about specific descriptions of the present utility model, only be used to the utility model is described and be not to be subject to the described technical scheme of the utility model embodiment, those of ordinary skill in the art is to be understood that, still can make amendment or be equal to replacement the utility model, to reach identical technique effect; Use needs as long as satisfy, all within protection domain of the present utility model.
Claims (6)
1. the brushless double-fed machine actuating device of electronlmobil, it is characterized in that, comprise brushless dual-feed motor, stator inverter, rotor inverter, rotor/stator winding bang-bang circuit, motor-driven and control module, vehicle control unit of electric vehicle, storage battery, battery management unit and current/voltage tachogen;
The port of described stator inverter and rotor inverter connects the port of storage battery respectively; The stator and rotor of brushless dual-feed motor absorb energy or to the storage battery feedback energy by stator inverter and rotor inverter from storage battery successively;
The port of described motor-driven and control module connects the port of stator inverter and rotor inverter respectively, provides control signal by described motor-driven and control module to stator inverter and rotor inverter;
Described vehicle control unit of electric vehicle receives the motor operating state signal that motor-driven and control module provide, and sends the torque control command to it;
Described current/voltage tachogen and battery management unit send feedback signal and battery management signal to motor-driven and control module successively;
The port of described motor-driven and control module connects the port of rotor/stator winding bang-bang circuit; Rotor/stator winding bang-bang circuit is according to the operational mode of the instruction control brushless dual-feed motor of described motor-driven and control module;
The type of drive of the described brushless dual-feed motor of information Control that described rotor/stator winding bang-bang circuit is provided according to entire car controller by motor-driven and control module.
2. the brushless double-fed machine actuating device of electronlmobil according to claim 1, it is characterized in that: described motor-driven and control module comprise: central processing module, current/voltage signal condition/translation circuit, photoelectric encoder signal conditioning circuit, rotor/stator inverter isolated drive circuit; The feedback signal that the current/voltage sensor is gathered is through current/voltage signal condition/translation circuit filtering and conversion, and tachogen inputs to central processing module after the photoelectric encoder signal conditioning circuit carries out shaping and frequency multiplication; PWM drive signal by central processing module calculating stator inverter and rotor inverter exports stator inverter and rotor inverter to after rotor/stator inverter isolated drive circuit carries out power gain.
3. the brushless double-fed machine actuating device of electronlmobil according to claim 2 is characterized in that: described voltage/current tachogen comprises: Hall-type voltage/current sensor and incremental optical-electricity encoder.
4. according to claim 2 or the brushless double-fed machine actuating device of 3 described electronlmobils, it is characterized in that: described central processing module adopts the DSP-TMS320F2812 chip, utilizes its 12 built-in PWM lead-out terminals to control the input voltage of brushless dual-feed motor stator and rotor simultaneously.
5. the brushless double-fed machine actuating device of electronlmobil according to claim 4 is characterized in that: described stator inverter and rotor inverter adopt the IGBT on-off element.
6. the brushless double-fed machine actuating device of electronlmobil according to claim 5 is characterized in that: be provided with rotor/stator fault of converter check and analysis unit in described motor-driven and control module; The port of described rotor/stator fault of converter check and analysis unit connects the port of stator inverter and rotor inverter; Described rotor/stator fault of converter check and analysis unit is monitored the mode of operation of stator inverter and rotor inverter in real time, and fault status signal is sent into vehicle control unit of electric vehicle.
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| CN2009202490067U CN201626316U (en) | 2009-11-30 | 2009-11-30 | Brushless double-fed motor driving device of electric automobile |
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| CN2009202490067U CN201626316U (en) | 2009-11-30 | 2009-11-30 | Brushless double-fed motor driving device of electric automobile |
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| CN102195547A (en) * | 2011-05-25 | 2011-09-21 | 太原理工大学 | Indirect torque control method for cage-rotor brushless doubly-fed machine (BDFM) |
| CN102079250B (en) * | 2009-11-30 | 2012-09-05 | 沈阳工业大学 | Brushless double-fed motor driving system of electric vehicle and control method thereof |
| CN103023400A (en) * | 2012-12-11 | 2013-04-03 | 周海根 | Motor controller |
| CN104029607A (en) * | 2014-06-26 | 2014-09-10 | 芜湖爱瑞特环保科技有限公司 | Alternating-current motor driving system used for electric garbage transporting vehicle and controller of alternating-current motor driving system |
| CN104071032A (en) * | 2013-03-29 | 2014-10-01 | 富士通株式会社 | Control system for ridable machine and driving control unit |
| CN105897108A (en) * | 2016-06-02 | 2016-08-24 | 东莞市能邦节能科技有限公司 | Automatic control motor |
| CN106712584A (en) * | 2017-01-14 | 2017-05-24 | 温州市曙光起动设备有限公司 | Brushless intelligent motor soft starter |
| CN107379947A (en) * | 2017-06-29 | 2017-11-24 | 江西博能上饶客车有限公司 | One kind changes electric-type electric automobile |
| CN109557465A (en) * | 2017-09-26 | 2019-04-02 | 南京淳泰控制设备有限公司 | A kind of driving device for step-by-step |
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2009
- 2009-11-30 CN CN2009202490067U patent/CN201626316U/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102079250B (en) * | 2009-11-30 | 2012-09-05 | 沈阳工业大学 | Brushless double-fed motor driving system of electric vehicle and control method thereof |
| CN102195547A (en) * | 2011-05-25 | 2011-09-21 | 太原理工大学 | Indirect torque control method for cage-rotor brushless doubly-fed machine (BDFM) |
| CN102195547B (en) * | 2011-05-25 | 2012-09-26 | 太原理工大学 | Indirect torque control method for cage-rotor brushless doubly-fed machine (BDFM) |
| CN103023400A (en) * | 2012-12-11 | 2013-04-03 | 周海根 | Motor controller |
| CN104071032A (en) * | 2013-03-29 | 2014-10-01 | 富士通株式会社 | Control system for ridable machine and driving control unit |
| CN104029607A (en) * | 2014-06-26 | 2014-09-10 | 芜湖爱瑞特环保科技有限公司 | Alternating-current motor driving system used for electric garbage transporting vehicle and controller of alternating-current motor driving system |
| CN105897108A (en) * | 2016-06-02 | 2016-08-24 | 东莞市能邦节能科技有限公司 | Automatic control motor |
| CN106712584A (en) * | 2017-01-14 | 2017-05-24 | 温州市曙光起动设备有限公司 | Brushless intelligent motor soft starter |
| CN106712584B (en) * | 2017-01-14 | 2023-06-27 | 温州市曙光起动设备有限公司 | Brushless intelligent motor soft starter |
| CN107379947A (en) * | 2017-06-29 | 2017-11-24 | 江西博能上饶客车有限公司 | One kind changes electric-type electric automobile |
| CN109557465A (en) * | 2017-09-26 | 2019-04-02 | 南京淳泰控制设备有限公司 | A kind of driving device for step-by-step |
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Granted publication date: 20101110 Effective date of abandoning: 20091130 |