CN102673371A - Series-parallel combined hybrid power system with parking flame-out function and control method for series-parallel combined hybrid power system - Google Patents
Series-parallel combined hybrid power system with parking flame-out function and control method for series-parallel combined hybrid power system Download PDFInfo
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- CN102673371A CN102673371A CN2012101937370A CN201210193737A CN102673371A CN 102673371 A CN102673371 A CN 102673371A CN 2012101937370 A CN2012101937370 A CN 2012101937370A CN 201210193737 A CN201210193737 A CN 201210193737A CN 102673371 A CN102673371 A CN 102673371A
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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
- Y02T10/62—Hybrid vehicles
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Abstract
The invention discloses a series-parallel combined hybrid power system with a parking flame-out function. The system comprises an engine, a drive motor, a super capacitor bank, a controller and a three-phase asynchronous belt starter generator (BSG) motor, wherein the engine is connected with the drive motor through a clutch; the drive motor is electrically connected with the controller through a frequency converter; an output end of the engine is connected with the controller; the other end of the controller is connected with the super capacitor bank; the engine drives the three-phase asynchronous BSG motor through a belt; and the other end of the three-phase asynchronous BSG motor is electrically connected with the super capacitor bank and is used for charging the super capacitor bank. The conventional permanent magnet synchronous generator is replaced by a three-phase asynchronous generator, and a frequency conversion technology is utilized, so that the system is convenient to maintain and high in performance, and the speed is convenient to regulate; and simultaneously, according to the series-parallel combined hybrid power system with the parking flame-out function, the engine can be stopped when a hybrid vehicle is parked, so that the aims of eliminating idling oil consumption, emission and noise, saving energy and reducing emission are fulfilled, and remarkable effects of energy conservation and emission reduction of urban buses which are frequently started and stopped are achieved.
Description
Technical field
The present invention relates to hybrid power system, relate in particular to a kind of series-parallel hybrid electric system and control method thereof with switch-off function.
Background technology
Upgrading, global climate environment constantly worsen in the face of oil resources are grabbed day by day, and the vehicle energy saving green technology is the great technological challenge that current global auto-domain faces.On existing hybrid-power bus; Driving engine is in running order all the time when the parking idling; Driving engine is worked when idling is stopped and will be caused oil consumption to raise, discharge increase and noise increasing, and hybrid-power bus is reduced in the effect of energy-saving and emission-reduction.
Summary of the invention
In order to overcome the deficiency of prior art, the object of the present invention is to provide a kind of series-parallel hybrid electric system with switch-off function and control method thereof that when switch-off, can kill engine.
Technical scheme of the present invention is: the series-parallel hybrid electric system with switch-off function; It comprises driving engine, drive motor, above super capacitor group, controller and a phase asynchronous BSG motor; Be connected by power-transfer clutch between driving engine and drive motor; Drive motor is electrically connected with controller by frequency converter, and the mouth of driving engine connects controller, and the controller other end connects the super capacitor group; Driving engine drives phase asynchronous BSG motor by belt, and the phase asynchronous BSG motor other end is electrically connected with the super capacitor group through controller and charges to the super capacitor group.
Be provided with another frequency converter in the said phase asynchronous BSG motor, the alternating current that phase asynchronous BSG motor is produced by frequency converter converts direct current (DC) to and sends to the super capacitor group.
Among the present invention, use phase asynchronous BSG motor to replace the existing magneto alternator that adopts and be the charging of super capacitor group, do not need magnetic clutch control generator speed, guarantee the sparking phenomenon can not occur, guarantee vehicle driving safety; Three phase induction generator adopts converter technique simultaneously, and alerting ability is high, and is easy to maintenance, and speed governing is convenient and performance is good; Have characteristics such as cost is low, control is simple, technology maturation.
Control method with series-parallel hybrid electric system of switch-off function is: when the speed of a motor vehicle is lower than 22Km/h; Driving engine separates with drive motor through power-transfer clutch; At this moment controller judges whether vehicle satisfies the logic of switch-off, then kills engine if satisfy; If do not satisfy, driving engine is in idling mode, is the charging of super capacitor group by the phase asynchronous BSG motor of engine drives, and the super capacitor group is the drive motor power supply, and the power of vehicle is provided;
When the speed of a motor vehicle surpasses 22Km/h, the phase asynchronous BSG motor of engine drives, power-transfer clutch engages with drive motor simultaneously, together drives bus driving by driving engine and drive motor;
When overload or acceleration, power-transfer clutch engages with drive motor, together drives bus driving by driving engine and drive motor; The super capacitor group is that vehicle provides extra power simultaneously;
When passenger vehicle was in cruising condition, the power that driving engine provides was greater than the passenger vehicle demand power, and this moment, drive motor converted generator mode into, was the charging of super capacitor group;
When passenger vehicle slowed down, the super capacitor group reclaimed braking energy; Simultaneously, driving engine breaks off through power-transfer clutch and drive motor, and driving engine is in idling mode, and phase asynchronous BSG motor is the charging of super capacitor group;
It is said when the speed of a motor vehicle is lower than 22Km/h; Driving engine separates with driving motor through power-transfer clutch, and at this moment controller judges that the electric weight of super capacitor group is whether sufficient, controller detects the speed of a motor vehicle, parking brake, car load air pressure or energy-storage travelling wave tube SOC and whether satisfies the flame-out logic of vehicle parking.
If when idling is stopped, kill engine, can reach and eliminate idling oil consumption, discharging and noise, finally reach the purpose of energy-saving and emission-reduction, remarkable for the city bus of frequent start-stop in effect aspect the energy-saving and emission-reduction.The required power steering oil pump of tradition bus hydraulic power steering system is through being loaded on the belt pulley drive work on the driving engine, engine stop working when idling is stopped, thus cause the servo-steering of vehicle to lose power-assisted.
The present invention adopts three phase induction generator to replace existing permanent magnetism and sends out synchronous dynamo, adopts converter technique, and alerting ability is high, and is easy to maintenance, and speed governing is convenient and performance is good; Have characteristics such as cost is low, control is simple, technology maturation.Simultaneously; The present invention has the series-parallel hybrid electric system of switch-off function, and hybrid vehicle can kill engine when stopping, and reaches to eliminate idling oil consumption, discharging and noise; Finally reach the purpose of energy-saving and emission-reduction, remarkable for the city bus of frequent start-stop in effect aspect the energy-saving and emission-reduction.
Description of drawings
Below in conjunction with the accompanying drawing and the specific embodiment the present invention is done further detailed explanation:
Fig. 1 is the structural representation that the present invention has the series-parallel hybrid electric system of switch-off function.
The specific embodiment
Below in conjunction with the specific embodiment the present invention is done further detailed explanation.
As shown in Figure 1; The present invention has the series-parallel hybrid electric system of switch-off function; It comprises driving engine 1, drive motor 2, above super capacitor group 3, controller 4 and a phase asynchronous BSG motor 6, and 2 of driving engine 1 and drive motor are connected by power-transfer clutch 5, and drive motor 2 is electrically connected with controller 4 by frequency converter 21; The mouth of driving engine 1 connects controller 4, and controller 4 other ends connect super capacitor group 3; Driving engine 1 drives phase asynchronous BSG motor 6 by belt, and phase asynchronous BSG motor 6 other ends are electrically connected with super capacitor group 3 through controller 4 and charge to super capacitor group 3.
Be provided with another frequency converter 7 in the said phase asynchronous BSG motor 6, the alternating current that phase asynchronous BSG motor 6 is produced by frequency converter 7 converts direct current (DC) to and sends to super capacitor group 3.
Among the present invention, use phase asynchronous BSG motor 6 to replace the existing magneto alternator that adopts and be 3 chargings of super capacitor group, do not need magnetic clutch control generator speed, guarantee the sparking phenomenon can not occur, guarantee vehicle driving safety; Three phase induction generator 6 adopts converter technique simultaneously, and alerting ability is high, and is easy to maintenance, and speed governing is convenient and performance is good; Have characteristics such as cost is low, control is simple, technology maturation.
Control method with series-parallel hybrid electric system of switch-off function is: when the speed of a motor vehicle is lower than 22Km/h; Driving engine 1 separates with drive motor 2 through power-transfer clutch 5; At this moment controller 4 judges that the electric weight of super capacitor group 3 is whether sufficient, controller 4 detects signals such as the speed of a motor vehicle, parking brake, car load air pressure or energy-storage travelling wave tube SOC and whether satisfies the flame-out logic of vehicle parking; Then kill engine 1 if satisfy, reach the purpose of eliminating idling oil consumption, emission abatement and reduction noise; If do not satisfy, driving engine 1 is in idling mode, and driving phase asynchronous BSG motor 6 by driving engine 1 is 3 chargings of super capacitor group, and super capacitor group 3 is drive motor 2 power supplies, and the power of vehicle is provided;
When the speed of a motor vehicle surpassed 22Km/h, driving engine 1 drove phase asynchronous BSG motor 6 through belt-driving, and power-transfer clutch 5 engages with drive motor 2 simultaneously, together drives bus driving by driving engine 1 and drive motor 2, and can make driving engine 1 be operated in efficient district this moment;
When overload or acceleration, power-transfer clutch 5 engages with drive motor 2, together drives bus driving by driving engine 1 and drive motor 2; Super capacitor group 3 provides extra power for vehicle simultaneously;
When passenger vehicle was in cruising condition, the power that driving engine 1 is provided was greater than the passenger vehicle demand power, and this moment, drive motor 2 converted generator mode into, was 3 chargings of super capacitor group;
When passenger vehicle slowed down, super capacitor group 3 reclaimed braking energy, because super capacitor group 3 can reclaim significant amount of energy at short notice, so the percent recovery of energy is very high; Simultaneously, driving engine 1 breaks off through power-transfer clutch 5 and drive motor 2, and driving engine 1 is in idling mode, and phase asynchronous BSG motor 6 is 3 chargings of super capacitor group.
Claims (4)
1. the series-parallel hybrid electric system that has the switch-off function; It is characterized in that: it comprises driving engine, drive motor, above super capacitor group, controller and a phase asynchronous BSG motor; Be connected by power-transfer clutch between driving engine and drive motor; Drive motor is electrically connected with controller by frequency converter, and the mouth of driving engine connects controller, and the controller other end connects the super capacitor group; Driving engine drives phase asynchronous BSG motor by belt, and the phase asynchronous BSG motor other end is electrically connected with the super capacitor group through controller and charges to the super capacitor group.
2. the series-parallel hybrid electric system with switch-off function according to claim 2 is characterized in that: be provided with another frequency converter in the said phase asynchronous BSG motor.
3. the control method with series-parallel hybrid electric system of switch-off function according to claim 2; It is characterized in that: when the speed of a motor vehicle is lower than 22Km/h; Driving engine separates with drive motor through power-transfer clutch; At this moment controller judges whether vehicle satisfies the logic of switch-off, then kills engine if satisfy; If do not satisfy, driving engine is in idling mode, is the charging of super capacitor group by the phase asynchronous BSG motor of engine drives, and the super capacitor group is the drive motor power supply, and the power of vehicle is provided;
When the speed of a motor vehicle surpasses 22Km/h, the phase asynchronous BSG motor of engine drives, power-transfer clutch engages with drive motor simultaneously, together drives bus driving by driving engine and drive motor;
When overload or acceleration, power-transfer clutch engages with drive motor, together drives bus driving by driving engine and drive motor; The super capacitor group is that vehicle provides extra power simultaneously;
When passenger vehicle was in cruising condition, the power that driving engine provides was greater than the passenger vehicle demand power, and this moment, drive motor converted generator mode into, was the charging of super capacitor group;
When passenger vehicle slowed down, the super capacitor group reclaimed braking energy; Simultaneously, driving engine breaks off through power-transfer clutch and drive motor, and driving engine is in idling mode, and phase asynchronous BSG motor is the charging of super capacitor group.
4. the control method with series-parallel hybrid electric system of switch-off function according to claim 3; It is characterized in that: said when the speed of a motor vehicle is lower than 22Km/h; Driving engine separates with driving motor through power-transfer clutch, and at this moment controller judges that the electric weight of super capacitor group is whether sufficient, controller detects the speed of a motor vehicle, parking brake, car load air pressure or energy-storage travelling wave tube SOC and whether satisfies the flame-out logic of vehicle parking.
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| CN201210193737.0A CN102673371B (en) | 2012-06-12 | 2012-06-12 | There is the control method of the series-parallel hybrid electric system of switch-off function |
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| CN201210193737.0A CN102673371B (en) | 2012-06-12 | 2012-06-12 | There is the control method of the series-parallel hybrid electric system of switch-off function |
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Cited By (3)
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| CN102935798A (en) * | 2012-11-21 | 2013-02-20 | 吉林大学 | Hybrid electric vehicle power system |
| CN103192717A (en) * | 2013-04-09 | 2013-07-10 | 郑州宇通客车股份有限公司 | Low-voltage power supply system of hybrid power automobile and control method thereof |
| CN103507655A (en) * | 2013-10-29 | 2014-01-15 | 北京工业大学 | Automobile composite energy storage start-stop system capable of recycling braking energy |
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| CN102673371B (en) | 2016-05-04 |
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Address after: 350000, Gulou District, Fujian Province, 89 software Avenue, Fuzhou Software Park industrial base two, building 9, No. 1, Fuzhou Applicant after: FUJIAN FUGONG POWER TECHNOLOGY CO., LTD. Address before: 350000, Gulou District, Fujian Province, 89 software Avenue, Fuzhou Software Park industrial base two, building 9, No. 1, Fuzhou Applicant before: Fujian Fugong HEV Technology Co., Ltd. |
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