CN104972919B - The power distribution means and energy distributing method of a kind of distributed driving electric motor car compound energy - Google Patents
The power distribution means and energy distributing method of a kind of distributed driving electric motor car compound energy Download PDFInfo
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- CN104972919B CN104972919B CN201510430917.XA CN201510430917A CN104972919B CN 104972919 B CN104972919 B CN 104972919B CN 201510430917 A CN201510430917 A CN 201510430917A CN 104972919 B CN104972919 B CN 104972919B
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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
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Abstract
The power distribution means and energy distributing method of a kind of distributed driving electric motor car compound energy, drive the configuration and energy distributing method of electric motor car compound energy.Existing electric motor car is solved using battery as power source, the problem for causing running distance of eletric vehicles not enough.The present invention formulates corresponding driving method makes the lithium battery super capacitor compound energy electro-vehicle can normally travel under different capacity demand, cause that the energy distribution of compound energy is more reasonable simultaneously, meeting electric motor car can normal work under different power demands, avoid the unnecessary waste of energy, the continual mileage of electric motor car is increased, the present invention is applied to the distributed energy for driving electric motor car compound energy and distributes.
Description
Technical field
Configuration and energy distributing method the present invention relates to drive electric motor car compound energy.
Background technology
Nowadays electric motor car so often results in running distance of eletric vehicles not enough mostly using a kind of battery as power source
Problem.The unnecessary waste of energy is caused simultaneously, reduces the continual mileage of electric motor car.
The content of the invention
The present invention is to solve existing electric motor car using battery as power source, causing running distance of eletric vehicles deficiency
Problem, it is proposed that the power distribution means and energy distributing method of a kind of distributed driving electric motor car compound energy.
A kind of power distribution means of distributed driving electric motor car compound energy of the present invention, it includes a driving
Device, No. two drivers, No. three drivers, No. four drivers and lithium batteries；It also includes DC/DC converters, super capacitor, earial drainage
Device, battery management system, warning device, vehicle management system, vehicle speed sensor, accelerator pedal sensor and brake pedal are passed
Sensor；
A number driver, No. two drivers, No. three drivers and No. four drivers be respectively used to drive a motor, No. two
Motor, No. three motors and No. four motors；And a motor and No. two motors be used to driving on front side of two wheels, No. three motors and
Two wheels that No. four motors are used on rear side of driving；
Lithium battery is used to be that No. three drivers and No. four drivers are powered that super capacitor to be used to be a driver and No. two
Driver is powered；
The power supply signal input of DC/DC converters connects the power supply signal output end of lithium battery, the electricity of DC/DC converters
Source signal output end connects the power supply signal input of super capacitor, the power control signal input connection of DC/DC converters
Vehicle management system power control signal output, battery management system is used to gather the dump energy and super capacitor of lithium battery
Dump energy, and by the remaining power signal of the dump energy of the lithium battery of collection and super capacitor send to vehicle manage be
System, the earial drainage control signal output of vehicle management system connects the earial drainage control signal input of discharge device, discharge device
Current signal input connect super capacitor power supply signal output end；
Vehicle speed sensor is used to detect that the speed of electric motor car, accelerator pedal sensor are used to detect gas pedal aperture shape
State, brake pedal sensor is used to detect the aperture state of brake pedal；
The GES input of vehicle management system connects the signal output part of vehicle speed sensor, vehicle management system
Gas pedal opening amount signal input connects the signal output part of accelerator pedal sensor, the brake pedal of vehicle management system
Opening amount signal input connects the signal output part of brake pedal sensor；The warning trigger signal output end of vehicle management system
Connection warning device warning trigger signal input.
Using a kind of above-mentioned energy distributing method of the power distribution means of distributed driving electric motor car compound energy, the party
Method is concretely comprised the following steps：
Step one, the GES that electric motor car is detected by vehicle speed sensor, accelerator pedal sensor detect gas pedal
The residue electricity of opening amount signal, the opening amount signal of brake pedal sensor detection brake pedal and battery management system collection lithium battery
The remaining capacity SOC 2 of amount SOC1 and super capacitor；
Step 2, judge that whether gas pedal aperture, more than 0, if so, then performing step 6, otherwise performs step 3；
Step 3, whether the aperture of brake pedal is judged more than 0, if so, then according to GES and brake pedal aperture
Calculate braking power Pb；Step 4 is performed, otherwise, is returned and is performed step one；
Step 4, judge super capacitor remaining capacity SOC 2 whether less than super capacitor electricity max-thresholds β, if
It is that, using the energy produced when braking for super capacitor charges, power is Pb, charging terminates, and returns and performs step one；Otherwise,
Perform step 5；
Step 5, using vehicle management system by discharge device to braking energy earial drainage；Return to step one；
Step 6, vehicle management system calculate electric motor car demand power P by GES and accelerator pedal aperturereq, and
Judge electric motor car demand power PreqWhether more than two driving powers of motor, if so, then performing step 7, no person holds
Row step 9；
Step 7, judge lithium battery remaining capacity SOC 1 whether more than lithium battery charge state minimum value α, if so,
Step 8 is performed, otherwise vehicle management system sends warning trigger signal, warning device prompting electric quantity of lithium battery to warning device
It is low, return and perform step one；
Step 8, vehicle management system control DC/DC converters adjust the power output of lithium battery, are that super capacitor fills
Electricity, and the driving power of four motors of electric motor car is identical, returns and performs step one；
Step 9, judge super capacitor remaining capacity SOC 2 whether more than super capacitor state-of-charge minimum threshold ε,
If so, then vehicle management system closes the power output of lithium battery by DC/DC converters, super capacitor is set to be individually for an electricity
Machine and No. two motors provide driving power, return and perform step one, otherwise, perform step 10；
Step 10, judge lithium battery remaining capacity SOC 1 whether more than lithium battery state-of-charge minimum value α, if
It is that then lithium battery provides driving power to be individually for No. three motors and No. four motors, returns and performs step one, otherwise performs step
11；
Step 11, vehicle management system send warning trigger signal, warning device prompting lithium battery to warning device
Amount is low, returns and performs step one.
The present invention makes lithium battery-super capacitor compound energy electro-vehicle in difference by formulating corresponding driving method
Under power demand can normally travel, while so that compound energy energy distribution more rationally, meet electric motor car different
Under power demand can normal work, it is to avoid the unnecessary waste of energy, increased the continual mileage of electric motor car.
Brief description of the drawings
Fig. 1 is a kind of the electric of invention new power distribution means of distributed driving electric motor car compound energy
Theory diagram.
Specific embodiment
Specific embodiment one, present embodiment is illustrated with reference to Fig. 1, the one kind described in present embodiment is distributed to drive electricity
The power distribution means of motor-car compound energy, it includes that the driver 2, three of driver 1, two driver 5, four drives
Device 6 and lithium battery；It also include DC/DC converters 3, super capacitor 4, discharge device 7, battery management system 8, warning device 9,
Vehicle management system 10, vehicle speed sensor 11, accelerator pedal sensor 12 and brake pedal sensor 13；
A number driver 5 of driver 2, three of driver 1, two and No. four drivers 6 be respectively used to drive a motor,
No. two motors, No. three motors and No. four motors；And two wheels that a motor and No. two motors are used on front side of driving, No. three electricity
Two wheels that machine and No. four motors are used on rear side of driving；
Lithium battery is used to be that No. three drivers 5 and No. four drivers 6 are powered that super capacitor 4 to be used to be a He of driver 1
No. two drivers 2 are powered；
The power supply signal input of DC/DC converters 3 connects the power supply signal output end of lithium battery, DC/DC converters 3
Power supply signal output end connects the power supply signal input of super capacitor 4, the power control signal input of DC/DC converters 3
Connection the power control signal output of vehicle management system 10, battery management system 8 be used for gather lithium battery dump energy and
The dump energy of super capacitor, and the remaining power signal of the dump energy of the lithium battery of collection and super capacitor is sent to whole
Car management system 10, the earial drainage control signal of the earial drainage control signal output connection discharge device 7 of vehicle management system 10 is defeated
Enter end, the current signal input of discharge device 7 connects the power supply signal output end of super capacitor 4；
Vehicle speed sensor 11 is used to detect that the speed of electric motor car, accelerator pedal sensor 12 are used to detect gas pedal aperture
State, brake pedal sensor 13 is used to detect the aperture state of brake pedal；
The GES input of vehicle management system 10 connects the signal output part of vehicle speed sensor 11, vehicle management system
The gas pedal opening amount signal input of system 10 connects the signal output part of accelerator pedal sensor 12, vehicle management system 10
The opening amount signal input of brake pedal connects the signal output part of brake pedal sensor 13；The alarm of vehicle management system 10
Trigger signal output end connects the warning trigger signal input of warning device 9.
Specific embodiment two, present embodiment is electronic using the distributed driving of one kind described in specific embodiment one
The energy distributing method lithium battery of the power distribution means of car compound energy, the method is concretely comprised the following steps：
Step one, the GES that electric motor car is detected by vehicle speed sensor 11, accelerator pedal sensor 12 detect throttle
Pedal opening signal, the opening amount signal of the detection brake pedal of brake pedal sensor 13 and the collection lithium battery of battery management system 8
Remaining capacity SOC 1 and super capacitor remaining capacity SOC 2；
Step 2, judge that whether gas pedal aperture, more than 0, if so, then performing step 6, otherwise performs step 3；
Step 3, whether the aperture of brake pedal is judged more than 0, if so, then according to GES and brake pedal aperture
Calculate braking power Pb；Step 4 is performed, otherwise, is returned and is performed step one；
Step 4, judge super capacitor remaining capacity SOC 2 whether less than super capacitor electricity max-thresholds β, if
It is that, using the energy produced when braking for super capacitor charges, power is Pb, charging terminates, and returns and performs step one；Otherwise,
Perform step 5；
Step 5, using vehicle management system 10 by discharge device 7 to braking energy earial drainage；Return to step one；
Step 6, vehicle management system 10 calculate electric motor car demand power P by GES and accelerator pedal aperturereq,
And judge electric motor car demand power PreqWhether more than two driving powers of motor, if so, step 7 is then performed, no person
Perform step 9；
Step 7, judge lithium battery remaining capacity SOC 1 whether more than lithium battery charge state minimum value α, if so,
Step 8 is performed, otherwise vehicle management system 10 sends warning trigger signal, the prompting lithium battery of warning device 9 to warning device 9
Electricity is low, returns and performs step one；
Step 8, the control DC/DC of vehicle management system 10 converters 3 adjust the power output of lithium battery, are super capacitor
Charge, and the driving power of four motors of electric motor car is identical, returns and performs step one；
Step 9, judge super capacitor remaining capacity SOC 2 whether more than super capacitor state-of-charge minimum threshold ε,
If so, then vehicle management system 10 closes the power output of lithium battery by DC/DC converters 3, super capacitor is set to be individually for one
Number motor and No. two motors provide driving powers, return and perform step one, otherwise, perform step 10；
Step 10, judge lithium battery remaining capacity SOC 1 whether more than lithium battery state-of-charge minimum value α, if
It is that then lithium battery provides driving power to be individually for No. three motors and No. four motors, returns and performs step one, otherwise performs step
11；
Step 11, vehicle management system 10 send warning trigger signal, the prompting lithium electricity of warning device 9 to warning device 9
Pond electricity is low, returns and performs step one.
A kind of energy of distributed driving electric motor car compound energy of utilization described in specific embodiment three, present embodiment
The energy distributing method of distributor is further illustrated, and the minimum threshold values α of lithium battery charge state is battery Full Charge Capacity
20%.
A kind of energy of distributed driving electric motor car compound energy of utilization described in specific embodiment four, present embodiment
The energy distributing method of distributor is further illustrated, and the minimum threshold ε of super capacitor state-of-charge is super capacitor fullcharging
The 50% of electricity condition.
A kind of energy of distributed driving electric motor car compound energy of utilization described in specific embodiment five, present embodiment
The energy distributing method of distributor is further illustrated, and the maximum threshold values β of super capacitor state-of-charge is super capacitor fullcharging
The 90% of electricity condition.
Claims (4)
1. a kind of distribution drives the energy distributing method of the power distribution means of electric motor car compound energy, and the method is based on one kind
Distribution drives the power distribution means of electric motor car compound energy to realize, distribution drives the energy distribution of electric motor car compound energy
Device includes driver (1), No. two drivers (2), No. three drivers (5), No. four drivers (6) and a lithium batteries；It is also
Including DC/DC converters (3), super capacitor (4), discharge device (7), battery management system (8), warning device (9), vehicle pipe
Reason system (10), vehicle speed sensor (11), accelerator pedal sensor (12) and brake pedal sensor (13)；
A number driver (1), No. two drivers (2), No. three drivers (5) and No. four drivers (6) are respectively used to drive No. one
Motor, No. two motors, No. three motors and No. four motors；And two wheels that a motor and No. two motors are used on front side of driving,
Two wheels that No. three motors and No. four motors are used on rear side of driving；
Lithium battery is used to be No. three drivers (5) and No. four driver (6) power supplies that super capacitor (4) to be for being a driver
(1) powered with No. two drivers (2)；
The power supply signal input of DC/DC converters (3) connects the power supply signal output end of lithium battery, DC/DC converters (3)
The power supply signal input of power supply signal output end connection super capacitor (4), the power control signal of DC/DC converters (3) is defeated
Enter end connection vehicle management system (10) power control signal output, battery management system (8) is for gathering the surplus of lithium battery
The dump energy of remaining electricity and super capacitor, and will gather lithium battery dump energy and the remaining power signal of super capacitor
Send to vehicle management system (10), earial drainage control signal output connection discharge device (7) of vehicle management system (10)
Earial drainage control signal input, the power supply signal output of current signal input connection super capacitor (4) of discharge device (7)
End；
Vehicle speed sensor (11) is for detecting speed, the accelerator pedal sensor (12) of electric motor car for detecting gas pedal aperture
State, brake pedal sensor (13) is for detecting the aperture state of brake pedal；
The signal output part of GES input connection vehicle speed sensor (11) of vehicle management system (10), vehicle management system
The signal output part of gas pedal opening amount signal input connection accelerator pedal sensor (12) of system (10), vehicle management system
(10) signal output part of opening amount signal input connection brake pedal sensor (13) of brake pedal；Vehicle management system
(10) warning trigger signal output end connection warning device (9) warning trigger signal input；
Characterized in that, the method is concretely comprised the following steps：
Step one, the GES that electric motor car is detected by vehicle speed sensor (11), accelerator pedal sensor (12) detect throttle
Pedal opening signal, the opening amount signal of brake pedal sensor (13) detection brake pedal and battery management system (8) collection lithium
The remaining capacity SOC 1 of battery and the remaining capacity SOC 2 of super capacitor；
Step 2, judge that whether gas pedal aperture, more than 0, if so, then performing step 6, otherwise performs step 3；
Step 3, whether the aperture of brake pedal is judged more than 0, if so, then being calculated according to GES and brake pedal aperture
Braking power Pb；Step 4 is performed, otherwise, is returned and is performed step one；
Step 4, judge super capacitor remaining capacity SOC 2 whether less than super capacitor electricity max-thresholds β, if so, sharp
The energy produced during with braking is that super capacitor charges, and power is Pb, charging terminates, and returns and performs step one；Otherwise, step is performed
Rapid five；
Step 5, using vehicle management system (10) by discharge device (7) to braking energy earial drainage；Return to step one；
Step 6, vehicle management system (10) calculate electric motor car demand power P by GES and accelerator pedal aperturereq, and
Judge electric motor car demand power PreqWhether more than two driving powers of motor, if so, then performing step 7, otherwise hold
Row step 9；
Step 7, judge lithium battery remaining capacity SOC 1 whether more than lithium battery charge state minimum value α, if so, perform
Step 8, otherwise vehicle management system (10) send warning trigger signal, warning device (9) prompting lithium electricity to warning device (9)
Pond electricity is low, returns and performs step one；
Step 8, vehicle management system (10) control DC/DC converters (3) to adjust the power output of lithium battery, are super capacitor
Charge, and the driving power of four motors of electric motor car is identical, returns and performs step one；
Step 9, judge super capacitor remaining capacity SOC 2 whether more than super capacitor state-of-charge minimum threshold ε, if
It is that then vehicle management system (10) closes the power output of lithium battery by DC/DC converters (3), is individually for super capacitor
A number motor and No. two motors provide driving power, return and perform step one, otherwise, perform step 10；
Step 10, judge lithium battery remaining capacity SOC 1 whether more than lithium battery state-of-charge minimum value α, if so, then
Lithium battery provides driving power to be individually for No. three motors and No. four motors, returns and performs step one, otherwise performs step 11；
Step 11, vehicle management system (10) send warning trigger signal, warning device (9) prompting lithium to warning device (9)
Battery electric quantity is low, returns and performs step one.
2. distributed using the energy of the power distribution means of a kind of distributed driving electric motor car compound energy described in claim 1
Method, it is characterised in that the minimum threshold values α of lithium battery charge state is the 20% of battery Full Charge Capacity.
3. the energy distribution of the power distribution means of a kind of distributed driving electric motor car compound energy according to claim 1
Method, it is characterised in that the minimum threshold ε of super capacitor state-of-charge is the 50% of super capacitor fullcharging electricity condition.
4. the energy distribution of the power distribution means of a kind of distributed driving electric motor car compound energy according to claim 1
Method, it is characterised in that the maximum threshold values β of super capacitor state-of-charge is the 90% of super capacitor fullcharging electricity condition.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106809020B (en) * | 2015-11-30 | 2019-06-11 | 北汽福田汽车股份有限公司 | Auxiliary braking method, system and vehicle |
| CN106891753B (en) * | 2016-05-17 | 2019-03-22 | 中山职业技术学院 | A kind of drive dynamic control device and its control method of new-energy automobile |
| CN106004449B (en) * | 2016-05-18 | 2018-04-17 | 江苏大学 | A kind of accumulator protecting control method based on super capacitor SOC identification failures |
| CN106427607B (en) * | 2016-12-02 | 2019-10-18 | 深圳先进技术研究院 | A kind of electric vehicle hybrid energy storage system energy distributing method |
| CN106828158A (en) * | 2017-02-05 | 2017-06-13 | 湖北文理学院 | A kind of new-energy automobile and its method of supplying power to and electric power system |
| CN107031447B (en) * | 2017-04-24 | 2019-03-22 | 清华大学 | Stroke-increasing electric automobile energy storing structure and energy distributing method based on elastic energy storage |
| CN108482150B (en) * | 2018-03-23 | 2020-10-16 | 湖州宏威新能源汽车有限公司 | Energy distribution method, electric-electric hybrid system and storage medium |
| JP7319798B2 (en) * | 2019-03-27 | 2023-08-02 | 本田技研工業株式会社 | vehicle |
| CN114572015A (en) * | 2021-08-26 | 2022-06-03 | 北京工业大学 | Large-scale unmanned serving trolley based on composite power supply |
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| KR20120131727A (en) * | 2011-05-26 | 2012-12-05 | 삼성전기주식회사 | An electric vehicle power system using supercapacitor and an electric vehicle |
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