CN100389030C - Super capacitor energy accumulating and frequency varying driving electric control system for trolleybus - Google Patents
Super capacitor energy accumulating and frequency varying driving electric control system for trolleybus Download PDFInfo
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- CN100389030C CN100389030C CNB2004100539831A CN200410053983A CN100389030C CN 100389030 C CN100389030 C CN 100389030C CN B2004100539831 A CNB2004100539831 A CN B2004100539831A CN 200410053983 A CN200410053983 A CN 200410053983A CN 100389030 C CN100389030 C CN 100389030C
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- 239000003990 capacitor Substances 0.000 title claims abstract description 21
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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
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
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Abstract
The present invention relates to a super capacitor energy accumulating and frequency varying driving electric control system for electric cars, which is composed of a low voltage car head control part and a high voltage system control part, wherein the low voltage car head control part is connected with a bus via an optical fiber coupling component, the high voltage system control part is composed of a system controller, a frequency varying driving controller, etc., the bus is connected with the system controller and the frequency varying driving controller, the frequency varying driving controller is connected with an AC frequency varying speed regulation motor, and the frequency varying driving controller is connected with a super capacitor via a contactor. When the traction, the braking and the operating mode main instructions are transferred to a car head controller, the AC frequency varying speed regulation motor drives the electric car to move in positive and negative directions through the communication among the bus, the system controller and the frequency varying driving controller, and when the electric car is braked, kinetic energy is fed back to the super capacitor for energy accumulation. The present invention has the advantages of simple structure, easy maintenance and convenient debugging. The reliability, the safety, the flexibility, the energy saving performance, the visual pollution, the technical performance index, etc. of the electric car which uses the present invention are better than those of an electric car which is driven by DC chopping at present.
Description
Technical field
The present invention relates to vehicle, relate in particular to the Electrical Control Technology of elec. vehicle, particularly frequency conversion drive electric control system, concrete is a kind of super capacitor energy frequency conversion drive electric control system that is used for electric car.
Background technology
In the prior art, elec. vehicle extensively is applied with advantages such as its zero pollution, low noise, high economy.Aspect the city bus electric car, the most DC chopped-wave type of drive that adopt of the electric driving of city trackless or tramway train, the employing mechanical hatching gate stops, can't realize the regeneration feed-back type electric braking, energy consumption and maintenance capacity are big, simultaneously city trackless or tramway train are subjected to the restriction of built on stilts gauze power supply, and alerting ability, manoevreability are poor, and built on stilts power supply gauze has increased the visual pollution of city space again.
Summary of the invention
Technical matters of the prior art to be solved by this invention is: because in the prior art, the most DC chopped-wave type of drive that adopt of the electric driving of city trackless or tramway train, the employing mechanical hatching gate stops, can't realize the regeneration feed-back type electric braking, energy consumption and maintenance capacity are big, simultaneously city trackless or tramway train are subjected to the restriction of built on stilts gauze power supply, and alerting ability, manoevreability are poor, and built on stilts power supply gauze has increased the visual pollution of city space again.
The present invention provides a kind of super capacitor energy frequency conversion drive electric control system that is used for electric car for the technical scheme that above-mentioned technical matters adopted that solves in the prior art, the described this super capacitor energy frequency conversion drive electric control system that is used for electric car is made of low pressure headstock control part and high-pressure system control part, wherein, described low pressure headstock control part is made of vehicle screen controller etc., described vehicle screen controller is by optical fiber coupling component and the total wire joint of CAN, described high-pressure system control part is made of system controller and Frequency Drive Control device etc., described system controller and the total wire joint of described CAN, be connected with the Frequency Drive Control device simultaneously on the described CAN bus, described Frequency Drive Control device is connected with the ac variable frequency speed regulation motor, described Frequency Drive Control device is connected with ultracapacitor by first contactless switch, described ultracapacitor is connected with onboard charger, described onboard charger is connected with the operate outside power supply, and described Frequency Drive Control device also can be connected with the operate outside power supply by second contactless switch.
Further, the foot-operated traction master of electric car makes signal, pedal brake is main to make signal and running state master make signal send into described vehicle screen controller, and setting value and control command are sent to described system controller by described optical fiber coupling component and described CAN bus, described system controller carries out according to the signal of input that logic state is differentiated and by described CAN bus and the communication of described Frequency Drive Control device, described Frequency Drive Control device is controlled the operation of the mode of operation and the vehicle of described ac variable frequency speed regulation motor, and the running state of described Frequency Drive Control device and described ac variable frequency speed regulation machine operation and actual value data are sent to described vehicle screen controller by described CAN bus by described system controller.
Further, described ultracapacitor stores direct current energy, the direct current energy that stores in the described ultracapacitor offers the ac variable frequency speed regulation motor by described Frequency Drive Control device with the alternating current form, and described Frequency Drive Control device drives the electric car operation with the torque mode.
Further, during with the regeneration feed-back type electric braking, the kinetic energy of vehicle is converted into direct current energy by described Frequency Drive Control device described ultracapacitor is charged.
Further, described vehicle screen controller is connected with the monitoring read-out.Read-out shows running state and data.
Further, described Frequency Drive Control device can adopt outside built on stilts gauze working power and ultracapacitor dual power supply to select the power supply mode of switching automatically.Concrete, handoff procedure is realized by the change action of described first contactless switch and described second contactless switch.The direct supply that also can adopt interval quick charge station, not having under the built on stilts gauze condition, drives with the independent power supply mode of ultracapacitor to ultracapacitor fast charge stored electric energy then by onboard charger.
Further, the operating voltage of described low pressure headstock control part is 24 volts of vdcs.
Further, described vehicle screen controller and system controller are made of the DSP microprocessor respectively.
Working process of the present invention is as described below: the foot-operated traction master of electric car makes signal, pedal brake is main to make signal and running state master make signal send into described vehicle screen controller, and setting value and control command are sent to described system controller by described optical fiber coupling component and described CAN bus, described system controller carries out according to the signal of input that logic state is differentiated and by described CAN bus and the communication of described Frequency Drive Control device, control the operation of the mode of operation and the vehicle of described ac variable frequency speed regulation motor, the running state of described Frequency Drive Control device and described ac variable frequency speed regulation machine operation and actual value data are sent to described vehicle screen controller by described CAN bus by described system controller, and through on the running state of Chinese interface and data monitoring read-out, showing behind the data handing, the read-out key frame has multiple functional picture, can show voltage and electric current that ultracapacitor is real-time, voltage that variable-frequency motor is real-time and electric current, the speed of a motor vehicle, accumulative mileage, energy consumption, fault, travel condition of vehicle, ultracapacitor fills, discharge energy and feedback braking energy etc.
Frequency Drive Control device described in the present invention, ultracapacitor, onboard charger, ac variable frequency speed regulation motor, monitoring read-out and contactless switch and CAN bus are the electric utility known technology, do not repeat them here.
The present invention and prior art contrast, and its effect is actively with tangible.Concrete advantage of the present invention is as described below:
The present invention adopts the vector control frequency control system of digital torque control, make vehicle screen controller and system controller with the DSP microprocessor, the high and low pressure equipment room adopts the fiber buss communication mode, system line is simple for structure, a large amount of control lines and connection terminal have been reduced, greatly improve the electric car reliability of operation, and realize safe and reliable electricity isolation.
The present invention converts the direct current energy that is stored in the ultracapacitor alternating current of certain frequency to by frequency-conversion drive apparatus, and power supply is given alternating-current motor/AC motor and driven the electric car operation with the torque mode.With the regeneration feed-back type electric braking time, the kinetic energy of vehicle is converted into direct current energy to the ultracapacitor accumulation of energy of charging by frequency-conversion drive apparatus again, has the good energy-conservation power savings, and the electric energy percent recovery is about 10%-30%.
The vehicle screen controller that microprocessor is realized and system controller have logic functions such as the automatic selection of operation operation and co-operative control, and have the processing of operating data and the abstraction function of classifying.
Vehicle control system is easy and simple to handle, directly perceived, and traction pedal master makes signal be equivalent to the throttle of automobile, is convenient to the operation operation of vehicle launch and acceleration.Improved the degree of stability of starting moment of accelerating and vehicle operating, the actv. electric braking is no matter on the level land or can to make the electric car braking deceleration under no mechanical brake condition be zero to speed on the slope.
Control system has special function control, can guarantee that electric car does not have the main order input of traction under the zero position protection condition, guarantees the safety of the equipment and the person, comprises the main zero-bit that makes of traction, main contactor zero-bit and the zero position protection during through the air wire electric switch.And brake-power control function when having automatic discrimination function, the zero-speed on level land/slope, guarantee that the level land reduces lock torque and electric car is steadily stopped and guarantees that at the slope glancing impact electric car keeps maximum braking moment when braking zero, make the electric car on the slope need not mechanical brake and electric braking stops.Even when the zero-speed of level land, depress the electric braking pedal in addition, also guarantee no electric braking moment, add electric braking again when preventing the level land zero-speed and the phenomenon of parking again after causing vehicle to flow backwards.
Has the electric power system that ultracapacitor and built on stilts gauze two covers automatically switch and control, improved the manoevreability of vehicle operating, also can break away from built on stilts gauze fully, the direct supply that adopts interval quick charge station by onboard charger to ultracapacitor fast charge stored electric energy, then with the ultracapacitor driving electric car of powering separately, eliminate the aerial visual pollution of built on stilts gauze, can satisfy view zone construction of environmental protection requirement in the new round urban construction.
This control system can also select configuration that following option content is provided:
Contactless brushing card device and management data software package are used to strengthen intelligent centralized management function.
Global positioning system (GPS) and telecommunication technology are used (GPRS), are used for the centralized management scheduling feature of raising system operation.
Internet network management system software, the vehicle that all are come into operation carries out real-time Transmission monitoring in the Web mode to its operational factor by the Internet net.Simultaneously, the form of history run parameter with curve, chart can be shown.
Purpose of the present invention, feature and advantage will be elaborated in conjunction with the accompanying drawings by embodiment.
Description of drawings
Fig. 1 is the systematic functional structrue scheme drawing of a preferred embodiment of a kind of super capacitor energy frequency conversion drive electric control system that is used for electric car of the present invention.
Fig. 2 is the schematic diagram of moment controlling system of a preferred embodiment of a kind of super capacitor energy frequency conversion drive electric control system that is used for electric car of the present invention.
The specific embodiment
As shown in Figure 1, a kind of super capacitor energy frequency conversion drive electric control system that is used for electric car of the present invention, constitute by low pressure headstock control part and high-pressure system control part, wherein, described low pressure headstock control part is a main control unit with vehicle screen controller 1, described high-pressure system control part is a main control unit with system controller 2, the CAN bus 20 mutual communications that described vehicle screen controller 1 links to each other with described system controller 2 by optical fiber coupling component 10, the foot-operated traction master of electric car makes signal, pedal brake is main to make signal and running state master make signal send into described vehicle screen controller 1, and setting value and control command are sent to described system controller 2 by described optical fiber coupling component 10 and described CAN bus 20, described system controller 2 carries out according to the signal of input that logic state is differentiated and by described CAN bus 20 and 3 communications of Frequency Drive Control device, the mode of operation of control ac variable frequency speed regulation motor 4 and the operation of vehicle, the running state and the actual value data of described Frequency Drive Control device 3 and 4 work of described ac variable frequency speed regulation motor are sent to described vehicle screen controller 1 by described CAN bus 20 by described system controller 2, and through on the running state of Chinese interface and data monitoring read-out 5, showing behind the data handing, the read-out key frame has multiple functional picture, can show voltage and electric current that ultracapacitor 6 is real-time, voltage and electric current that frequency control motor 4 is real-time, the speed of a motor vehicle, accumulative mileage, energy consumption, fault, travel condition of vehicle, ultracapacitor 6 fills, discharge energy and feedback braking energy etc.
Operation characteristic of the present invention be adopt interval quick charge station direct supply by described onboard charger 7 to described ultracapacitor 6 fast charge stored electric energies, do not having under the built on stilts gauze condition then, convert the alternating current of certain frequency to by described Frequency Drive Control device 3 with the direct current energy of described ultracapacitor 6 storages, give 4 power supplies of ac variable frequency speed regulation motor and drive the electric car operation with the torque mode, with the regeneration feed-back type electric braking time, the kinetic energy of vehicle is converted into direct current energy to super container 6 charging accumulation of energys by described Frequency Drive Control device 3 again.Described Frequency Drive Control device 3 also can adopt outside built on stilts gauze working power and ultracapacitor 6 dual power supplies to select the power supply mode of switching automatically, concrete, handoff procedure is that the switching by described first contactless switch 30 and described second contactless switch 40 realizes.
The Frequency Drive Control device adopts the vector controlled inverter of standard, constitutes the PWM vector control mode operation of torque control, the functional block diagram of moment controlling system as shown in Figure 2, traction is main to make signal pass through behind the reversing/ahead running finder as the given amplitude limit value T of torque
Lim *Send into the Frequency Drive Control device, make alternating-current variable frequency motor AM produce corresponding electromagnetic torque T thus
EM, electromagnetic torque T
EMLoad torque T with vehicle
LDifference be dynamic acceleration torque T
DA(T
EM-T
L=T
DA), while T
Lim *Also determined the speed setting value n of system
*, T
Lim *Less than 0 o'clock, n
*For the given maxim of forward direction speed, work as T
Lim *N then greater than zero time
*Be the given maxim of inverted speed, (T when the main order of traction is zero
Lim *=0) n then
*=0.Dynamic acceleration torque T
DAMotor is quickened, equal maximum given speed up to speed.Has only electromagnetic torque T when motor
EMEqual the load torque T of vehicle
LThe time, motor is the stable speed operation, and therefore traction is main makes the throttle of the sizableness of signal in automobile, can conveniently control torque and the starting of vehicle and the operation operation of acceleration of motor.N in the moment controlling system
*With by the actual speed n that obtains with the coaxial impulse deviser PG of alternating current dynamo AM
ActDifference send into the n regulating control and constitute the not busy ring of speed.Torque settings value T by the output of torque amplitude limit link
*, after conversion as the setting value I of current torque component
T *, I
M *Be the setting value of current flux component, I
T *And I
M *The current actual value I that obtains with motor model by transform vector
TacT and I
Mact, pass through I
TRegulating control and I
MRegulating control constitutes current closed-loop.I
TRegulating control and I
MThe output of regulating control obtains voltage setting value U after coordinate transform
*And phase angle [alpha], U
*Through U
dObtain the controlling valu U of motor stator voltage behind the correction link
STIn addition by the rotor frequency f of impulse deviser PG output
2The slip-frequency fs that exports with the motor model of transform vector constitutes the slip closed loop, obtains stator frequency f (f=f
2+ fs).U
ST, α, f make 6 IGBT major components of inverter take turns conduction work after PWM drives flip flop equipment, the alternating current of output certain frequency makes alternating current dynamo by torque control requirement frequency control operation.
After making signal by reversing/ahead running finder, same braking master make motor produce the plugging torque, can be zero with car retardation to speed effectively, in the electric braking process, can change the kinetic energy of vehicle into electric energy, to ultracapacitor feedback charging, remarkable energy saving effect is arranged.
Super capacitor energy frequency conversion drive electric car electric control system can adopt built on stilts gauze and ultracapacitor dual power supply to select automatically to switch power supply, also can make somebody a mere figurehead gauze and adopt the independent powered operation of ultracapacitor.
The maximum electromagnetic torque of motor and maximum braking torque can reach 200% torque rating in this system.
Control system of the present invention has parameter and debates good debugging, operation means such as knowledge, automatic fault diagnosis, parameter automatic optimal automatically; and have perfect emergency protection measure (overvoltage, under-voltage, hypervelocity, overcurrent, overload, communication failure etc.), guarantee the electric car reliability service.
The present invention is applicable to various elec. vehicles such as city trolley bus, tramway train, electrocar, electric truck and electri forklift etc.
Claims (9)
1. super capacitor energy frequency conversion drive electric control system that is used for electric car, constitute by low pressure headstock control part and high-pressure system control part, it is characterized in that: described low pressure headstock control part is made of vehicle screen controller, described vehicle screen controller is by optical fiber coupling component and the total wire joint of CAN, described high-pressure system control part is made of system controller and Frequency Drive Control device, described system controller and the total wire joint of described CAN, be connected with the Frequency Drive Control device simultaneously on the described CAN bus, described Frequency Drive Control device is connected with the ac variable frequency speed regulation motor, described Frequency Drive Control device is connected with ultracapacitor by first contactless switch, described ultracapacitor is connected with onboard charger, described onboard charger is connected with the operate outside power supply, and described Frequency Drive Control device also can be connected with the operate outside power supply by second contactless switch.
2. the super capacitor energy frequency conversion drive electric control system that is used for electric car as claimed in claim 1, it is characterized in that: the foot-operated traction master of electric car makes signal, pedal brake is main to make signal and running state master make signal send into described vehicle screen controller, and setting value and control command are sent to described system controller by described optical fiber coupling component and described CAN bus, described system controller carries out according to the signal of input that logic state is differentiated and by described CAN bus and the communication of described Frequency Drive Control device, described Frequency Drive Control device is controlled the operation of the mode of operation and the vehicle of described ac variable frequency speed regulation motor, and the running state of described Frequency Drive Control device and described ac variable frequency speed regulation machine operation and actual value data are sent to described vehicle screen controller by described CAN bus by described system controller.
3. the super capacitor energy frequency conversion drive electric control system that is used for electric car as claimed in claim 1, it is characterized in that: described ultracapacitor stores direct current energy, the direct current energy that stores in the described ultracapacitor offers the ac variable frequency speed regulation motor by described Frequency Drive Control device with the alternating current form, and described Frequency Drive Control device drives the electric car operation with the torque mode.
4. the super capacitor energy frequency conversion drive electric control system that is used for electric car as claimed in claim 1, it is characterized in that: during with the regeneration feed-back type electric braking, the kinetic energy of vehicle is converted into direct current energy by described Frequency Drive Control device described ultracapacitor is charged.
5. the super capacitor energy frequency conversion drive electric control system that is used for electric car as claimed in claim 1, it is characterized in that: described vehicle screen controller is connected with the monitoring read-out.
6. the super capacitor energy frequency conversion drive electric control system that is used for electric car as claimed in claim 1 is characterized in that: described Frequency Drive Control device adopts outside built on stilts gauze working power and ultracapacitor dual power supply to select the power supply mode of switching automatically.
7. the super capacitor energy frequency conversion drive electric control system that is used for electric car as claimed in claim 1, it is characterized in that: described Frequency Drive Control device by the direct supply of interval quick charge station by onboard charger to ultracapacitor fast charge stored electric energy, not having under the built on stilts gauze condition, drive then with the independent power supply mode of ultracapacitor.
8. the super capacitor energy frequency conversion drive electric control system that is used for electric car as claimed in claim 1 is characterized in that: the operating voltage of described low pressure headstock control part is 24 volts of vdcs.
9. the super capacitor energy frequency conversion drive electric control system that is used for electric car as claimed in claim 1, it is characterized in that: described vehicle screen controller and system controller are made of the DSP microprocessor respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100539831A CN100389030C (en) | 2004-08-25 | 2004-08-25 | Super capacitor energy accumulating and frequency varying driving electric control system for trolleybus |
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2004100539831A CN100389030C (en) | 2004-08-25 | 2004-08-25 | Super capacitor energy accumulating and frequency varying driving electric control system for trolleybus |
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| CN100389030C true CN100389030C (en) | 2008-05-21 |
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| CNB2004100539831A Expired - Fee Related CN100389030C (en) | 2004-08-25 | 2004-08-25 | Super capacitor energy accumulating and frequency varying driving electric control system for trolleybus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101570142B (en) * | 2009-06-02 | 2011-07-27 | 上海中上汽车科技有限公司 | Control system for novel energy resource environment-friendly energy-saving special traction and loading trolley |
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| CN100411905C (en) * | 2006-03-23 | 2008-08-20 | 上海瑞华(集团)有限公司 | Power system unit assemblage of environmental protection type mixed electric energy super capacity car |
| CN100409533C (en) * | 2006-06-01 | 2008-08-06 | 上海瑞华(集团)有限公司 | Vehicular galvanic pile-driven urban electric bus integrated control system |
| CN101797895B (en) * | 2009-02-11 | 2012-09-05 | 微宏动力系统（湖州）有限公司 | Electric energy power system, electric vehicle, ship and airplane using the electric energy power system |
| CN106020196A (en) * | 2016-06-28 | 2016-10-12 | 深圳市招科智控科技有限公司 | Electric control system of container automated guided transport vehicle |
| CN106771564B (en) * | 2016-11-16 | 2019-01-29 | 广州电力机车有限公司 | A method of it is tested using super capacitor as dumper power |
| CN108593735B (en) * | 2018-04-12 | 2019-12-24 | 暨南大学 | Optical fiber online monitoring system and method for charging state of energy storage equipment |
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| CN1739998A (en) | 2006-03-01 |
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