CN102582702A - Electric airport ferry vehicle with high energy efficiency - Google Patents
Electric airport ferry vehicle with high energy efficiency Download PDFInfo
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- CN102582702A CN102582702A CN2012101032655A CN201210103265A CN102582702A CN 102582702 A CN102582702 A CN 102582702A CN 2012101032655 A CN2012101032655 A CN 2012101032655A CN 201210103265 A CN201210103265 A CN 201210103265A CN 102582702 A CN102582702 A CN 102582702A
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- airport ferry
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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
The invention provides an electric airport ferry vehicle with high energy efficiency. The electric airport ferry vehicle comprises a vehicle body, a front axle, a rear axle, a driving motor, a transmission shaft, a motor controller, an electric power storage device, an electric air compressor, an electric power-assisting steering oil pump and an independent air conditioning unit, wherein the vehicle body is used for providing a passenger-carrying space and a space in which equipment is arranged; the front axle is used for supporting the vehicle body and providing driving and steering functions; the rear axle is used for supporting the vehicle body; the driving motor is used for driving a vehicle; the transmission shaft is used for transferring power between the driving motor and the front axle; the motor controller is used for controlling the driving motor; the electric power storage device is used for providing direct current power which is required by the driving motor; the electric air compressor is used for providing high-pressure gas which is required by the vehicle; the electric power-assisting steering oil pump is used for providing high-pressure oil liquid which is required by a vehicle steering system; and the independent air conditioning unit is used for providing a refrigerating function which is required by the vehicle.
Description
Technical field
The present invention relates to the vehicle technology field, particularly a kind of electronic airport ferry bus relates in particular to the high electronic airport ferry bus of a kind of energy efficiency.
Background technology
At present, the airport ferry bus that uses on each big-and-middle-sized airport has all adopted diesel engine and Automatic Transmission.The operating mode of this type of vehicle has uses the car characteristic in following significant: the nearly 14m of vehicle commander, overall width 3m, the nearly 3.2m of overall height; Maximum speed 60km/h, speed of operation is limited to below the 35km/h in; Max. climb slope is 10%; The low floor design; Nearly 120 people of carrying, and be mostly to stand, have only nearly 10 seats; Carry the independent air-conditioning unit of fuel oil power, particularly in summer, need whole day to turn on the aircondition, even also like this when waiting; Every day, work was at least 12 hours, and travelled distance is no more than 50km.
Back axle, electrical storage device, gas turbine/generator group, electric air-conditioning that disclosed a kind of hybrid power airport ferry bus adopts two-wheel limit motor individual drive and parts such as relevant electric powered steering oil pump, electric air compressor.Wherein, the generating of gas turbine/generator group is supplied power to electric air-conditioning, and charges to electrical storage device.Because the multiple conversions of energy, therefore, the efficient from fuel oil to the electric air-conditioning compressor shaft is not high, is no more than 25%.The efficient of the double reduction gear of two-wheel limit motor coupling is suitable with the efficient of the main reduction gear that contains diff.Therefore, the combined efficiency of car load is not high.
Disclosed another kind of way is directly to adopt existing a kind of pure electric bus as electronic airport ferry bus; Parts such as the back axle of this car employing two-wheel limit motor individual drive, electrokinetic cell bag, electric air-conditioning; But the electrokinetic cell bag is divided into four vertical tops that are arranged in front and back bridge in the car, and therefore, the barycenter of car load is higher; Bring the reduction of vehicle body natural frequency, cause the decline of travelling comfort.In addition, the seat of car load reduces inevitably, though also can satisfy the few requirement of airport ferry bus seating capacity, the passenger zone area of standing is little, and the enough requirement of erect-position to guarantee once to transport 120 people can not be provided.The electric energy that electric air-conditioning consumes is bigger, and the electrokinetic cell bag of required configuration is bigger, causes the initial stage to purchase the car cost and increases considerably.
Therefore, also exist the demand of the energy efficiency of the electronic airport of further raising ferry bus.
Summary of the invention
The objective of the invention is in order to overcome above-mentioned shortcoming of the prior art, provide a kind of energy efficiency high electronic airport ferry bus.
The electronic airport ferry bus that energy efficiency of the present invention is high, it comprises: vehicle body is used to provide the space of carrying and the space that various device is installed; Propons is used to support vehicle body, and driving is provided and turns to function; Back axle is used to support vehicle body; Drive motor is used for powered vehicle; Transmission shaft is used for the transmission of power between drive motor and the propons; Electric machine controller is used for the controlling and driving motor; Electrical storage device is used to the direct supply that provides drive motor required; Electric air compressor is used to the high pressure gas that provide vehicle required; The electric power steering oil pump is used to the high-voltage oil liquid that provides wheel steering system required; And independent air-conditioning unit, be used to the refrigerating function that provides required.
The electronic airport ferry bus that energy efficiency according to the present invention is high; Described drive motor is connected with described propons through described transmission shaft; Described electrical storage device is electrically connected described drive motor through described electric machine controller; The air receiver gas circuit of the electronic airport ferry bus that said electric air compressor and described energy efficiency are high is connected, and the power steering oil circuit of the electronic airport ferry bus that said electric power steering oil pump and described energy efficiency are high is connected.Described independent air-conditioning unit comprises air-conditioning compressor and the driving engine that is used to drive air-conditioning compressor, and wherein, described driving engine can adopt biodiesel or natural fuels to act as a fuel.
The electronic airport ferry bus that energy efficiency according to the present invention is high, during vehicle ', described drive motor is operated in electric model, and described electrical storage device is operated in powering mode; And during car brakeing, described drive motor is operated in the feedback power generation mode, and described electrical storage device is operated in the feedback charge mode.Described electric air compressor is worked when vehicle ', when vehicle stops, not working.Described electric power steering oil pump is worked when vehicle ', when vehicle stops, not working.
The electronic airport ferry bus that energy efficiency according to the present invention is high, described drive motor are arranged in the cabin before the described propons; Described electrical storage device is arranged in driving compartment front, center position; Described independent air-conditioning unit is arranged in anterior right side of driving compartment or leftward position.
The electronic airport ferry bus that energy efficiency according to the present invention is high, the electronic airport ferry bus that described energy efficiency is high is given described electrical storage device charging at night every day, simultaneously, but oil dropping apparatus or storage tank supplemental fuel.
Therefore, according to the present invention, can obtain the high electronic airport ferry bus of a kind of energy efficiency.
Description of drawings
Fig. 1 is the side-looking partial schematic diagram of a specific embodiment of the present invention; And
Fig. 2 is the partial schematic diagram of overlooking of a specific embodiment of the present invention.
Among the figure: the electronic airport ferry bus that 1 energy efficiency is high; 2 vehicle bodies; 3 drive motor; 4 transmission shafts; 5 electric machine controllers; 6 electrical storage devices; 7 electric air compressors; 8 electric power steering oil pumps; 9 independent air-conditioning units.
The specific embodiment
In order more to be expressly understood technology contents of the present invention, the special following examples of lifting specify.Should be understood that embodiment is used to explain the present invention, rather than limitation of the present invention.
Fig. 1 and Fig. 2 are the side-looking partial schematic diagrams of a specific embodiment of the present invention and overlook partial schematic diagram.With reference to figure 1 and Fig. 2, the electronic airport ferry bus 1 that described energy efficiency is high comprises: vehicle body 2 is used to provide the space of carrying and the space that various device is installed; The propons (not shown) is used to support vehicle body 2, and driving is provided and turns to function; The back axle (not shown) is used to support vehicle body 2; Drive motor 3 is used for powered vehicle; Transmission shaft 4 is used for the transmission of power between drive motor 3 and the propons; Electric machine controller 5 is used for controlling and driving motor 3; Electrical storage device 6 is used to provide drive motor 3 required direct supply; Electric air compressor 7 is used to the high pressure gas that provide vehicle required; Electric power steering oil pump 8 is used to the high-voltage oil liquid that provides wheel steering system required; And independent air-conditioning unit 9, be used to the refrigerating function that provides vehicle required.
It is the diesel motor of 140kW/2300rpm that traditional airport ferry bus adopts rating horsepower more, and its maximum output torque is 700Nm/1400rpm.The converter speed ratio of the Automatic Transmission of coupling is: 1 grade 3.10,2 grades 1.81,3 grades 1.41,4 grades 1 and reverse gear 4.49.The final ratio of propons is 7.633.
The analysis result that carries out according to the operating condition of airport ferry bus shows; Drive motor 3 required maximum output torques are about 1200Nm; Only in zero load, use during trailer, only need provide the output torque of 600Nm and 60kW and power to get final product during full-load run inside.
When vehicle ', drive motor 3 is operated in electric model, and electrical storage device 6 is operated in powering mode, and the power of drive motor 3 is delivered to propons through transmission shaft 4, through main reduction gear and diff rear drive left and right wheels.When car brakeing, drive motor 3 is operated in the feedback power generation mode, and vehicle energy is reclaimed to electrical storage device 6 chargings.Therefore, can improve the energy efficiency of car load.Because drive motor 3 is connected with propons, therefore, can reclaim more braking energy.In addition, the wearing and tearing of drg will reduce greatly, reduce expense and the work capacity safeguarded.
Independent air-conditioning unit 9 comprises air-conditioning compressor (not shown) and the driving engine (not shown) that is used to drive air-conditioning compressor, and wherein, described driving engine can adopt biodiesel or natural fuels to act as a fuel.The air conditioner compressed acc power of airport ferry bus is bigger, and maximum cooling capacity is up to 35000kcal/h, and specified refrigerating capacity also has 24000kcal/h.Because enough traveling comforts need be provided, in the time of passenger getting on/off, air-conditioning will reach maximum.And when standby, air-conditioning compressor also must be opened, and guarantees that vehicle interior has comfortable temperature, so that passenger one has enough refrigeration when getting on the bus.
The operating mode of independent air-conditioning unit 9 is more stable, and the engine operation that drives air-conditioning compressor is imitated on the high operation point in combustion, therefore has higher energy efficiency.In order to satisfy the specific (special) requirements of airport for environmental protection, and adapt to air-transport industry and promote the trend that adopts green fuels such as biodiesel in order to reduce carbon emission, preferably, the driving engine of independent air-conditioning unit 9 adopts biodiesel or natural fuels to act as a fuel.
Noise was bigger when conventional air compressor was worked, because diesel motor is arranged, therefore, its noise is also not obvious on the ferry bus of traditional airport.But on the high electronic airport ferry bus 1 of the energy efficiency of low noise, this will seem very obvious.Preferably, adopt the electric screw Air compressor or the electronic spiral Air compressor of low noise.
Electric power steering oil pump 8 is connected with the power steering oil circuit, when vehicle ', works, and when vehicle stops, not working.Servo-steering oil pump on the ferry bus of airport is installed on the driving engine, when engine operation, provides enough flow to the hydraulic pressure servo steering system, turns to service vehicle.After having cancelled driving engine, must repack electric boosted oil pump into.When the standby on-board and off-board, when bearing circle did not rotate, electric power steering oil pump 8 stops action, and was capable of reducing energy consumption.At present, the noise of electric power steering oil pump 8 is all lower, can not increase the noise of car load.
The 140kW diesel engine that traditional airport ferry bus adopts; The about 600kg of its quality; Also be arranged in driving compartment front, center position, therefore, the electrical storage device 6 of 60kWh be arranged in here; The bigger variation of center-of-gravity position that can not cause vehicle and height can not produce any adverse influence for the distribution of axle load and the lateral stability of vehicle yet.
Independent air-conditioning unit 9 is arranged in anterior right side of driving compartment or leftward position.Depend on that the driver's seat is arranged on left side or right side, in the position and space that are arranged in opposite side of independent air-conditioning unit 9, and take noise reduction, separated measure and driver such as make an uproar to separate, to guarantee driver's traveling comfort.Because independent air-conditioning unit 9 is arranged in from passenger zone position far away, therefore, its noise is little to passenger's influence with vibration.
The volume of electric air compressor 7 and electric power steering oil pump 8 is less, therefore can arrange in any suitable position or space, as long as it is convenient to be connected with power steering with air receiver.
The electronic airport ferry bus 1 that energy efficiency is high gives electrical storage device 6 chargings at night every day, simultaneously, and oil dropping apparatus or storage tank supplemental fuel.Because the paddy electricity at night is more cheap, electrical storage device 6 charged at night can further reduce operating costs.In addition, charging normal of six hours nights can prolong the service life of electrical storage device 6.Simultaneously, if the lack of fuel in fuel tank or the storage tank then refuels or inflates, to guarantee the normal operation of second day independent air-conditioning unit 9.
If what adopt is electric air-conditioning, the electrical storage device 6 that then need dispose will be bigger.This is that its power is also bigger because the airport ferry bus need dispose the a/c system of big refrigerating capacity, and at least 12 hours air-conditionings all open, so the consumption of current of electric air-conditioning is very big.If all adopt electrical storage device 6 power supplies, the electric energy of then required electrical storage device 6 will be very big.If on period fills once soon, will cause a little inconvenience from the aircraft gate to the hangar larger distance.Behind the electrical storage device 6 that has mated independent air-conditioning unit 9 and 60kWh, the electronic airport ferry bus that energy efficiency is high only need charge once for 1 every day, and fuel tank or storage tank perhaps refueled or aerating at a distance from one day as required every day.
Therefore, according to the present invention, can obtain the high electronic airport ferry bus of a kind of energy efficiency.
The present invention is not limited to the foregoing description, but the institute that covers under the situation that does not break away from the spirit and scope of the present invention to be carried out changes and revises.These changes and modification should not be considered to break away from the spirit and scope of the present invention, and all should be included in the scope of accompanying claims such as the modification that it will be apparent to those skilled in the art that.
Claims (10)
1. electronic airport ferry bus that energy efficiency is high, it comprises:
Vehicle body is used to provide the space of carrying and the space that various device is installed;
Propons is used to support vehicle body, and driving is provided and turns to function;
Back axle is used to support vehicle body;
Drive motor is used for powered vehicle;
Transmission shaft is used for the transmission of power between drive motor and the propons;
Electric machine controller is used for the controlling and driving motor;
Electrical storage device is used to the direct supply that provides drive motor required;
Electric air compressor is used to the high pressure gas that provide vehicle required;
The electric power steering oil pump is used to the high-voltage oil liquid that provides wheel steering system required; And
Independent air-conditioning unit is used to the refrigerating function that provides vehicle required.
2. the electronic airport ferry bus that energy efficiency according to claim 1 is high is characterized in that,
Described drive motor is connected with described propons through described transmission shaft; Described electrical storage device is electrically connected described drive motor through described electric machine controller; The air receiver gas circuit of the electronic airport ferry bus that said electric air compressor and described energy efficiency are high is connected, and the power steering oil circuit of the electronic airport ferry bus that said electric power steering oil pump and described energy efficiency are high is connected.
3. the electronic airport ferry bus that energy efficiency according to claim 1 is high is characterized in that,
Described independent air-conditioning unit comprises air-conditioning compressor and the driving engine that is used to drive air-conditioning compressor, and wherein, described driving engine can adopt biodiesel or natural fuels to act as a fuel.
4. the electronic airport ferry bus that energy efficiency according to claim 1 is high is characterized in that,
During vehicle ', described drive motor is operated in electric model, and described electrical storage device is operated in powering mode; And
During car brakeing, described drive motor is operated in the feedback power generation mode, and described electrical storage device is operated in the feedback charge mode.
5. the electronic airport ferry bus that energy efficiency according to claim 1 is high is characterized in that,
Described electric air compressor is worked when vehicle ', when vehicle stops, not working.
6. the electronic airport ferry bus that energy efficiency according to claim 1 is high is characterized in that,
Described electric power steering oil pump is worked when vehicle ', when vehicle stops, not working.
7. the electronic airport ferry bus that energy efficiency according to claim 1 is high is characterized in that,
Described drive motor is arranged in the cabin before the described propons.
8. the electronic airport ferry bus that energy efficiency according to claim 1 is high is characterized in that,
Described electrical storage device is arranged in driving compartment front, center position.
9. the electronic airport ferry bus that energy efficiency according to claim 1 is high is characterized in that,
Described independent air-conditioning unit is arranged in anterior right side of driving compartment or leftward position.
10. the electronic airport ferry bus that energy efficiency according to claim 1 is high is characterized in that,
The electronic airport ferry bus that described energy efficiency is high is given described electrical storage device external charge at night every day, simultaneously, but oil dropping apparatus or storage tank supplemental fuel.
Priority Applications (1)
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CN2012101032655A CN102582702A (en) | 2012-04-10 | 2012-04-10 | Electric airport ferry vehicle with high energy efficiency |
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CN2012101032655A CN102582702A (en) | 2012-04-10 | 2012-04-10 | Electric airport ferry vehicle with high energy efficiency |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015010285A1 (en) * | 2013-07-24 | 2015-01-29 | 台湾立凯绿能移动股份有限公司 | Detachable high-voltage isolation structure of medium-sized electric vehicle |
WO2015100486A1 (en) * | 2014-01-03 | 2015-07-09 | Thomson Power Inc. | Electric vehicle power steering pump control system |
TWI561410B (en) * | 2013-07-24 | 2016-12-11 | Aleees Eco Ark Cayman Co Ltd | A detachable vehicle structure for high-voltage segregation and maintenance safety |
CN107336628A (en) * | 2017-06-29 | 2017-11-10 | 江西博能上饶客车有限公司 | Electric automobile |
CN107364352A (en) * | 2017-06-29 | 2017-11-21 | 江西博能上饶客车有限公司 | Electric automobile |
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CN1431124A (en) * | 2003-02-17 | 2003-07-23 | 郭义 | Ferry car used in airport where all vehicles driven by electricity |
CN2734545Y (en) * | 2004-06-10 | 2005-10-19 | 清华大学 | Auxiliary power unit for electric motor coach and wagon |
CN201914072U (en) * | 2010-12-15 | 2011-08-03 | 陕西欧舒特汽车股份有限公司 | Plug-in double clutch parallel connection-type hybrid bus |
US20110287888A1 (en) * | 2008-11-19 | 2011-11-24 | Zf Friedrichshafen Ag | Multi-axle hybrid drive system for a vehicle |
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2012
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Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN1431124A (en) * | 2003-02-17 | 2003-07-23 | 郭义 | Ferry car used in airport where all vehicles driven by electricity |
CN2734545Y (en) * | 2004-06-10 | 2005-10-19 | 清华大学 | Auxiliary power unit for electric motor coach and wagon |
US20110287888A1 (en) * | 2008-11-19 | 2011-11-24 | Zf Friedrichshafen Ag | Multi-axle hybrid drive system for a vehicle |
CN201914072U (en) * | 2010-12-15 | 2011-08-03 | 陕西欧舒特汽车股份有限公司 | Plug-in double clutch parallel connection-type hybrid bus |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015010285A1 (en) * | 2013-07-24 | 2015-01-29 | 台湾立凯绿能移动股份有限公司 | Detachable high-voltage isolation structure of medium-sized electric vehicle |
TWI561410B (en) * | 2013-07-24 | 2016-12-11 | Aleees Eco Ark Cayman Co Ltd | A detachable vehicle structure for high-voltage segregation and maintenance safety |
US9630502B2 (en) | 2013-07-24 | 2017-04-25 | Aleees Eco Ark (Cayman) Co. Ltd. | Detachable high voltage isolation structure of medium-size electric vehicle |
WO2015100486A1 (en) * | 2014-01-03 | 2015-07-09 | Thomson Power Inc. | Electric vehicle power steering pump control system |
US10077071B2 (en) * | 2014-01-03 | 2018-09-18 | Thomson Power Inc. | Electric vehicle power steering pump control system |
CN107336628A (en) * | 2017-06-29 | 2017-11-10 | 江西博能上饶客车有限公司 | Electric automobile |
CN107364352A (en) * | 2017-06-29 | 2017-11-21 | 江西博能上饶客车有限公司 | Electric automobile |
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Application publication date: 20120718 |