CN103723052B - A kind of energy management method of electrobus motorized ancillary system - Google Patents
A kind of energy management method of electrobus motorized ancillary system Download PDFInfo
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- CN103723052B CN103723052B CN201310752019.7A CN201310752019A CN103723052B CN 103723052 B CN103723052 B CN 103723052B CN 201310752019 A CN201310752019 A CN 201310752019A CN 103723052 B CN103723052 B CN 103723052B
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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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Abstract
A kind of motorized ancillary system energy management method towards electric bus typical condition provided by the invention, mainly make use of city bus circuit to fix, speed of operation and process out of the station meet the feature of statistical law, from electric air-conditioning system, Air compressor, electric boosting steering system three aspects propose the method for energy management, start with from typical condition fragment, for the starting of electric bus, freely drive, enter the station (braking), transfer (stopping), set off (restarting) Process Design energy management method of motorized ancillary system, thus reach reduction energy consumption, reduce the loss of electrokinetic cell charge discharge efficiency, the object of available protecting power battery pack.
Description
Technical field
The invention belongs to technical field of new energy, be specifically related to the energy management method of motorized ancillary system of pure electric bus, hybrid-power bus.
Background technology
In recent years, energy-conserving and environment-protective theory is vigorously advocated in each large technical field, under the support of national policy and special scientific research project, fund, electric bus is as the new forms of energy product of in the middle of urban mass-transit system, progressively promote in China each province and city, progressively moved towards the stage of dropping into demonstrating running from the trial production stage.Under the joint efforts of national research institution, car production enterprise and cooperation unit, colleges and universities, the electric bus of China will drive a series of new and high technology for improving product dynamic property, safety, traveling comfort and energy-saving and emission-reduction in the stage of promoting the use of.
At present, the electric bus of place in operation mainly comprises pure electric bus, plug-in electric bus and hybrid-power bus, the no matter technical research of which kind of electric bus, all can not depart from the attribute of bus as a kind of typical public transport means, therefore, to the research of bus basic structure, basic function and Bus Driving Cycles, it is the basis of electric bus research.On the other hand, reduce energy resource consumption, namely the economy of energy of electric bus is improved, it is one of research emphasis of new energy vehicle, start with from the typical condition of bus, adopting different control methods and energy saver, thus improve the economy of electric bus, is one of Hot Contents of research.
Research shows, from energy resource consumption terminal, ancillary system (mainly comprising a/c system, Air compressor, servo steering device and other low voltage equipments) is one of main portion of electric bus energy resource consumption, and change along with the change of the factor such as ambient temperature, road conditions, on overall energy consumption impact significantly; But the ancillary system of electric bus at present, remain the design of conventional truck ancillary system, such as, a/c system only considers that the automatic adjustment of changes in temperature is to reach design temperature, do not consider the typical condition of city bus and the operation characteristic of bus, the irrational utilization causing the energy is even wasted.Therefore, be necessary to start with from the typical condition of city bus, optimize the control of electric bus ancillary system, energy management method, to reach the object of saving energy consumption.
Summary of the invention
The present invention is directed to existing electric bus ancillary system independent operating, mode of operation is not by the feature of bus running state constraint, a kind of ancillary system energy management method towards electric bus typical condition is provided, the feature that object is to utilize that city bus circuit is fixed, speed of operation and process out of the station meet statistical law, reduces ancillary system energy consumption.
In order to reach the object reducing ancillary system energy consumption, the present invention proposes a kind of energy management method of electric bus ancillary system, and concrete thought is as follows:
Electrobus motorized ancillary system of the present invention comprises electric motor coach vehicle electric air-conditioner, Air compressor, electric boosting steering system, and the motorized actuating unit of this three is respectively electric air-conditioning compressor, Air compressor electric inflation pump, servo-steering Oil pump electrical machinery, these three motorized actuating units are all connected with ancillary system integrated manipulator, and ancillary system integrated manipulator is also connected with drive motor/engine controller simultaneously; Ancillary system integrated manipulator is connected with power battery pack, and power battery pack is connected with drive motor/electrical generator by drive motor/engine controller.
In the energy management method of a kind of electrobus motorized ancillary system of the present invention, implemented to control to electric air-conditioning compressor, Air compressor electric inflation pump, servo-steering Oil pump electrical machinery according to the operating condition of bus by motorized ancillary system integrated manipulator.
Accompanying drawing explanation
Fig. 1 electrobus motorized of the present invention auxiliary control system structure
Wherein: 1. ancillary system integrated manipulator, 2. electric air-conditioning compressor, 3. servo-steering Oil pump electrical machinery, 4. Air compressor electric inflation pump, 5. power battery pack, 6. drive motor/engine controller, 7. drive motor/electrical generator.
A kind of typical electric bus operating mode fragment of Fig. 2
Wherein: starting process, electric bus car load powers on, and namely ancillary system mesolow electric equipment and a/c system start working, and after steering instructions sends, vehicle enters accelerator; Free driving procedure, the i.e. operational process of electric bus between two websites, comprise the acceleration of electric bus, deceleration, at the uniform velocity and steering procedure, but vehicle not exclusively stops, car door does not carry out opening and closing operation; Enter the station (braking) process, and electric bus is close to target station, and under the combined action of mechanical braking and electric braking, car retardation is until stop; Transfer (stopping) process, Air compressor work, opening/closing door of vehicle, passenger's transfer causes compartment inner air and outer air to exchange and vehicle load change; Departures (restarting) process, drive motor starts, and electric bus accelerates, and enters next operating mode fragment.
Detailed description of the invention
Now do bright further by reference to the accompanying drawings.
Now the energy management method of a kind of electrobus motorized ancillary system of the present invention is described respectively according to the control process concrete to electric air-conditioning system, electric boosting steering system, air compressor system:
One, electric air-conditioning system energy management method:
1, the electric air-conditioning compressor of electric air-conditioning system is controlled by ancillary system integrated manipulator, and is managed by the mode of operation of ancillary system integrated manipulator to a/c system;
2, in starting process, power battery pack power load is higher, and ancillary system integrated manipulator controls electric air-conditioning compressor shutdown, to alleviate power battery pack power load and to reduce energy ezpenditure;
3, in free driving procedure, except urgent acceleration, damped condition, the power load of power battery pack is lower, and power battery pack is powered to air conditioner compressor motor by ancillary system integrated manipulator, and air-conditioning normally works;
4, entering the station in (braking) process, ancillary system integrated manipulator reads the motoring condition of vehicle from CAN, judge the process that enters the station of vehicle, controlling air conditioner compressor motor in advance to shut down when vehicle pull-in, by closing a/c system in advance, reducing the temperature difference of compartment internal and external temperature, and then the interchange of heat reduced when changing to inside and outside compartment, reach the object saved energy;
5, in transfer (stopping) process, car door opening, compartment inner air and outer air produces convection current, carries out interchange of heat, and ancillary system integrated manipulator controls a/c system and keeps closing, and avoids the energy dissipation that the thermostatic control now carried out causes.
Two, electric boosting steering system energy management method:
For the feature that city bus circuit is fixing, ancillary system integrated manipulator can read running state and the historical information of vehicle from CAN, judge Electric Transit vehicle in free driving procedure fixing doubling turns to, outlet turns to section and left/right turns to crossing, carry out the enable of power steerig pump motor and working process control in advance, thus optimize the size of servo-steering Oil pump electrical machinery power output (moment), the horsepower output of steering assist motor can be reduced when satisfying the demands as far as possible, thus reach the object reducing energy consumption.
Three, air compressor system energy management method:
1, the automobile-used air compressor system of Electric Transit is mainly used in Aeroassisted braking and pneumatic opening/closing door of vehicle, when Air compressor electric inflation pump is used for mechanical braking, Air compressor electric inflation pump is powered by ancillary system integrated manipulator by power battery pack, ensures the power demand of Air compressor electric inflation pump during braking and stable; When used for air compressor in opening/closing door of vehicle time, jointly by ancillary system integrated manipulator, Air compressor electric inflation pump is powered by power battery pack and drive motor/engine controller;
2, consider the work characteristics of city bus, namely after opening/closing door of vehicle always occurs in car brakeing, before starting, electrobus can utilize drive motor/electrical generator to generate electricity in motor braking process simultaneously, therefore, entering the station in (braking) process, the electricity that motor braking reclaims preferentially is supplied to Air compressor electric inflation pump by ancillary system integrated manipulator, for supplementing the loss of pressure of Air compressor in time, to ensure opening/closing door of vehicle and the normal pressure of storage tank, if the electric energy that motor braking reclaims has been not enough to the process of inflating of Air compressor electric inflation pump, then carry out supplementary power by ancillary system integrated manipulator to Air compressor electric inflation pump by power battery pack, which enhance the capacity usage ratio that braking is reclaimed, decrease the link of power battery pack discharge and recharge, alleviate the charge power of braking procedure medium power battery pack simultaneously, also contribute to the service life of improving battery.
Claims (3)
1. an energy management method for electrobus motorized ancillary system, is characterized in that comprising electrobus electric air-conditioning system management scheme:
1) air conditioner compressor motor (2) of electric air-conditioning system is powered by ancillary system integrated manipulator (1), and is managed by ancillary system integrated manipulator (1) mode of operation to a/c system;
2) in starting process, power battery pack (5) power load is higher, ancillary system integrated manipulator (1) is stopped power supply to air conditioner compressor motor (2), to alleviate power battery pack (5) power load and to reduce energy ezpenditure;
3) in free driving procedure, except urgent acceleration, damped condition, the power load of power battery pack (5) is lower, and power battery pack (5) is powered to air conditioner compressor motor (2) by ancillary system integrated manipulator (1);
4) in the process of entering the station, stop in advance when vehicle pull-in, to air conditioner compressor motor (2) power supply, reducing the temperature difference of compartment internal and external temperature, and then reducing interchange of heat when changing to inside and outside compartment, reach the object saved energy;
5) in transfer process, car door opening, compartment inner air and outer air produces convection current, carries out interchange of heat, and ancillary system integrated manipulator (1) controls a/c system and keeps closing, and avoids the energy dissipation that the thermostatic control now carried out causes.
2. the energy management method of electrobus motorized ancillary system as claimed in claim 1, characterized by further comprising the management scheme of electrobus electric boosting steering system:
1) the servo-steering Oil pump electrical machinery (3) of electric boosting steering system is powered by ancillary system integrated manipulator (1), and is managed by ancillary system integrated manipulator (1) mode of operation to electric boosting steering system;
2) for the feature that city bus circuit is fixing, ancillary system integrated manipulator (1) can according to the running state of vehicle and historical information, judge the fixing doubling of Electric Transit vehicle in free driving procedure, go out part of path and turn to crossing, thus optimize the horsepower output of servo-steering Oil pump electrical machinery (3), thus reach the object reducing energy consumption.
3. the energy management method of electrobus motorized ancillary system as claimed in claim 1 or 2, characterized by further comprising the management scheme of electrobus air compressor system:
1) the Air compressor electric inflation pump (4) of Air compressor system is powered by ancillary system integrated manipulator (1), and is managed by ancillary system integrated manipulator (1) mode of operation to air compressor system;
2) work characteristics of city bus is considered, namely after opening/closing door of vehicle always occurs in car brakeing, before starting, electrobus can utilize drive motor/electrical generator (7) to generate electricity in motor braking process simultaneously, therefore, in the process of entering the station, the electricity reclaimed by motor braking is preferentially supplied to Air compressor electric inflation pump (4) by ancillary system integrated manipulator (1), for supplementing the loss of pressure of Air compressor in time, to ensure opening/closing door of vehicle and the normal pressure of storage tank, if the electric energy that motor braking reclaims has been not enough to the process of inflating of Air compressor electric inflation pump (4), then carry out supplementary power by ancillary system integrated manipulator (1) to Air compressor electric inflation pump (4) by power battery pack (5), thus improve the capacity usage ratio of braking recovery, decrease the link of power battery pack discharge and recharge, alleviate the charge power of braking procedure medium power battery pack (5) simultaneously, contribute to the service life of improving battery.
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| CN201310752019.7A CN103723052B (en) | 2013-12-31 | 2013-12-31 | A kind of energy management method of electrobus motorized ancillary system |
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| CN201310752019.7A CN103723052B (en) | 2013-12-31 | 2013-12-31 | A kind of energy management method of electrobus motorized ancillary system |
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| CN103723052A CN103723052A (en) | 2014-04-16 |
| CN103723052B true CN103723052B (en) | 2016-04-13 |
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| EP3371527B1 (en) * | 2015-11-03 | 2021-05-26 | Carrier Corporation | Transport refrigeration system and method of operating |
| EP3254884A1 (en) | 2016-06-06 | 2017-12-13 | ABB Schweiz AG | Method of and system for operating a battery in an electrically powered vehicle of public transport |
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| FR2890609A1 (en) * | 2005-09-12 | 2007-03-16 | Valeo Equip Electr Moteur | SYSTEM FOR ELECTRICALLY DRIVING EQUIPMENT ASSOCIATED WITH A THERMAL MOTOR |
| CN201304907Y (en) * | 2008-11-26 | 2009-09-09 | 扬州飞驰动力科技有限公司 | Pure electric car system |
| CN102381266A (en) * | 2011-08-15 | 2012-03-21 | 东南（福建）汽车工业有限公司 | Whole automobile control system for electric automobile |
| CN102789224A (en) * | 2012-09-01 | 2012-11-21 | 哈尔滨东安汽车发动机制造有限公司 | Centralized control system of automobiles |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010019527A2 (en) * | 2008-08-15 | 2010-02-18 | Burch Leon A | Systems and methods for powering accessories in engine driven vehicles using auxiliary engine power units |
| US8340888B2 (en) * | 2010-05-06 | 2012-12-25 | GM Global Technology Operations LLC | System and method for reducing powertrain disturbances based on system energy |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2890609A1 (en) * | 2005-09-12 | 2007-03-16 | Valeo Equip Electr Moteur | SYSTEM FOR ELECTRICALLY DRIVING EQUIPMENT ASSOCIATED WITH A THERMAL MOTOR |
| CN201304907Y (en) * | 2008-11-26 | 2009-09-09 | 扬州飞驰动力科技有限公司 | Pure electric car system |
| CN102381266A (en) * | 2011-08-15 | 2012-03-21 | 东南（福建）汽车工业有限公司 | Whole automobile control system for electric automobile |
| CN102789224A (en) * | 2012-09-01 | 2012-11-21 | 哈尔滨东安汽车发动机制造有限公司 | Centralized control system of automobiles |
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