CN2761461Y - Super capacity energy storage variable frequency drived electric control device for electric car - Google Patents
Super capacity energy storage variable frequency drived electric control device for electric car Download PDFInfo
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- CN2761461Y CN2761461Y CN 200420082183 CN200420082183U CN2761461Y CN 2761461 Y CN2761461 Y CN 2761461Y CN 200420082183 CN200420082183 CN 200420082183 CN 200420082183 U CN200420082183 U CN 200420082183U CN 2761461 Y CN2761461 Y CN 2761461Y
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Abstract
The utility model relates to a super capacity energy storage variable frequency driving electric control device for an electric car, which is composed of a controlling part of a low pressure car head and a controlling part of a high pressure system, wherein the controlling part of a low pressure car head is connected to a bus line by optical fiber coupling components; the controlling part of a high pressure system is composed of a system controller, a frequency-changing driving controller, etc.; the bus line is connected with the system controller and the frequency-changing driving controller which is connected with an alternating current frequency-changing speed-regulating motor; the frequency-changing driving controller is connected with a super capacitor through contactors; the command of traction, braking and running states is transmitted into a car head controller; the communication is realized by the bus line, the system controller and the frequency-changing driving controller; the alternating current frequency-changing speed-regulating motor drives the electric car frontwards and backwards to run; kinetic energy is backwards transmitted to the super capacitor to be stored when the electric car is braked. The utility model has the advantages of simple structure, easy maintenance and convenient adjustment and makes the electric car provided with better performance, such as reliability, safety, flexibility, energy saving properties, visual pollution, technical performance index, etc., than that of an existing direct current chopped wave driving electric car.
Description
Technical field
The utility model relates to vehicle, relates in particular to the Electrical Control Technology of elec. vehicle, particularly frequency conversion drive electric control system, and concrete is a kind of super capacitor energy frequency conversion drive electrical control gear 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 in the utility model 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 utility model provides a kind of super capacitor energy frequency conversion drive electrical control gear 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 electrical control gear 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 provided with operate outside power connector end, can be connected with the operate outside power supply when needing, described Frequency Drive Control device is connected with one second contactless switch, and described second contactless switch is connected with the operate outside power supply.
Concrete, 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 energy storage 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 utility model 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 utility model, 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 utility model and prior art contrast, and its effect is actively with tangible.Concrete advantage of the present utility model is as described below:
The utility model 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 utility model 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.
The purpose of this utility model, 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 electrical control gear that is used for electric car of the utility model.
Fig. 2 is the schematic diagram of moment controlling system of a preferred embodiment of a kind of super capacitor energy frequency conversion drive electrical control gear that is used for electric car of the utility model.
The specific embodiment
As shown in Figure 1, a kind of super capacitor energy frequency conversion drive electrical control gear that is used for electric car of the utility model, 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 utility model is to adopt the direct supply of interval quick charge station to pass through onboard charger 7 to ultracapacitor 6 fast charge stored electric energies, do not having under the built on stilts gauze condition then, the direct current energy of storing with described ultracapacitor 6 converts the alternating current of certain frequency to by described Frequency Drive Control device 3, gives 4 power supplies of ac variable frequency speed regulation motor and drives 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
TactAnd I
MactPass 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 utility model 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 utility model is applicable to various elec. vehicles such as city trolley bus, tramway train, electrocar, electric truck and electri forklift etc.
Claims (6)
1. super capacitor energy frequency conversion drive electrical control gear 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 total wire joint, described high-pressure system control part is made of system controller and Frequency Drive Control device, described system controller and described total wire joint, be connected with the Frequency Drive Control device on the described bus simultaneously, 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 provided with operate outside power connector end, and described Frequency Drive Control device is connected with second contactless switch.
2. the super capacitor energy frequency conversion drive electrical control gear 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.
3. the super capacitor energy frequency conversion drive electrical control gear 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.
4. the super capacitor energy frequency conversion drive electrical control gear 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.
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 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.
6. 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420082183 CN2761461Y (en) | 2004-08-25 | 2004-08-25 | Super capacity energy storage variable frequency drived electric control device for electric car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420082183 CN2761461Y (en) | 2004-08-25 | 2004-08-25 | Super capacity energy storage variable frequency drived electric control device for electric car |
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| Publication Number | Publication Date |
|---|---|
| CN2761461Y true CN2761461Y (en) | 2006-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200420082183 Expired - Lifetime CN2761461Y (en) | 2004-08-25 | 2004-08-25 | Super capacity energy storage variable frequency drived electric control device for electric car |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100389030C (en) * | 2004-08-25 | 2008-05-21 | 上海瑞华(集团)有限公司 | Super capacitor energy accumulating and frequency varying driving electric control system for trolleybus |
| CN103373239A (en) * | 2012-04-26 | 2013-10-30 | 本田技研工业株式会社 | Power control unit |
| CN111092587A (en) * | 2019-12-27 | 2020-05-01 | 北京合康新能科技股份有限公司 | Variable frequency speed regulation control method |
-
2004
- 2004-08-25 CN CN 200420082183 patent/CN2761461Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100389030C (en) * | 2004-08-25 | 2008-05-21 | 上海瑞华(集团)有限公司 | Super capacitor energy accumulating and frequency varying driving electric control system for trolleybus |
| CN103373239A (en) * | 2012-04-26 | 2013-10-30 | 本田技研工业株式会社 | Power control unit |
| CN103373239B (en) * | 2012-04-26 | 2016-04-20 | 本田技研工业株式会社 | Power control unit |
| CN111092587A (en) * | 2019-12-27 | 2020-05-01 | 北京合康新能科技股份有限公司 | Variable frequency speed regulation control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHANGHAI RUIHUA NEW ENERGY AUTOMOBILE CO., LTD. Free format text: FORMER OWNER: SHANGHAI RUIHUA (GROUP) CO., LTD. Effective date: 20101027 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 200335 NO.8, GUANGSHUN ROAD, LINKONG ECONOMIC PARK, HONGQIAO SHANGHAI TO: 201802 NO.777, JIAMEI ROAD, NANXIANG TOWN, JIADING DISTRICT, SHANGHAI |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20101027 Address after: 201802 Shanghai City, Jiading District Nanxiang Town Jiamei Road No. 777 Patentee after: Shanghai new energy Co., Ltd. Address before: 200335, No. 8, Guang Tong Road, Shanghai Hongqiao Airport Economic Zone Patentee before: Ruihua (Group) Co., Ltd., Shanghai |
|
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20140825 Granted publication date: 20060301 |