CN106696722A - Pure electric driving vehicle and power distribution system thereof - Google Patents
Pure electric driving vehicle and power distribution system thereof Download PDFInfo
- Publication number
- CN106696722A CN106696722A CN201510445843.7A CN201510445843A CN106696722A CN 106696722 A CN106696722 A CN 106696722A CN 201510445843 A CN201510445843 A CN 201510445843A CN 106696722 A CN106696722 A CN 106696722A
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- Prior art keywords
- energy
- pure electric
- storage units
- direct current
- electric drive
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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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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention discloses a pure electric driving vehicle and a power distribution system thereof, and belongs to the technical field of electric power so as to solve technical problems of the prior art that the electric energy supply of the pure electric driving vehicle is not enough and the pure electric driving vehicle is inconvenient to charge. The power distribution system for the pure electric driving vehicle comprises a driving energy storage unit and an auxiliary energy storage unit, wherein the driving energy storage unit is charged by using a direct current quick charging mode and used for supplying power to a driving system of the pure electric driving vehicle; and the auxiliary energy storage unit is charged by using an alternating current slow charging mode and used for supplying power to an auxiliary system of the pure electric driving vehicle.
Description
Technical field
The present invention relates to new-energy automobile electric power electric technical field, specifically, it is related to a kind of pure electric drive car
And its distribution system.
Background technology
With continuing to develop for power science and technology, automobile has become the essential vehicles of today's society.So
And, it is increasingly serious in atmosphere pollution, and current world energy-saving and emission-reduction are in the case that the situation is tense, pure electric drive
Power source of the car by the use of electric energy as automobile, substitutes original gasoline, diesel oil equal energy source, it will as following vapour
The development trend of car.
Using single energy-storage system current pure electric drive car more, charging modes have direct current charge, exchanging trickle charge,
Fast changing battery etc..But there are many limitation in pure electric drive car：As pure electric drive car uses direct current charge side
Formula will meet the operation demand of public transit vehicle, then ground must match a number of charger, and palpus on vehicle
A large amount of batteries are loaded, thus there is that vehicle weight is big, the charging interval is long, line matching vehicle is much more than combustion
The problems such as oily car；As pure electric drive car uses fast changing battery mode, the operation demand of public transit vehicle is met, then
A large-scale charging station must be built, and matches a number of reserce cell, can so cause electrically-charging equipment to take up an area big,
The problems such as battery high cost.
Based on the above mentioned problem that presently, there are, there is great difficulty in current pure electro-motive vehicle in popularization.So
On the premise of battery technology cannot significantly be lifted in the short time, there is sufficient electrical energy to supply and fill to seek one kind
The easily pure electric drive car of electricity is an extremely urgent job.
The content of the invention
It is of the prior art to solve it is an object of the invention to provide a kind of pure electric drive car and its distribution system
Pure electric drive car electric energy supply is not enough, inconvenience of charging technical problem.
First aspect present invention provides a kind of distribution system suitable for pure electric drive car, the distribution system bag
Include：Energy-storage units are driven, is charged by way of direct current charge, for the drivetrain to the pure electric drive car
System power supply；Auxiliary energy storage unit, is charged by way of exchanging trickle charge, for the auxiliary of the pure electric drive car
Auxiliary system is powered.
Optionally, the distribution system also includes the first DC charging unit and/or the second DC charging unit, described
First DC charging unit and the second DC charging unit are used to be carried out directly for the driving energy-storage units
Stream fills soon.
Optionally, the first DC charging unit includes：
Direct current pantograph；
Connect the direct current Vehicular charger of the direct current pantograph and the driving energy-storage units；
Wherein, the direct current Vehicular charger is used to obtain electric energy by the direct current pantograph, is the driving
Energy-storage units carry out direct current charge.
Optionally, the direct current pantograph is arranged at ground.
Optionally, the second DC charging unit includes：
It is arranged at the direct-current charging post on ground；
Mouth is filled soon for connect the direct-current charging post and the driving energy-storage units；
Wherein, the driving energy-storage units connect the direct-current charging post by the mouth that fills soon, to the driving
Energy-storage units carry out direct current charge.
Optionally, the distribution system also includes being filled for the exchange for carrying out exchanging trickle charge for the auxiliary energy storage unit
Electric unit.
Optionally, the AC charging unit includes：
It is arranged at the alternating-current charging pile on ground；
Connect the alternating-current charging pile and the auxiliary energy storage unit exchanges Vehicular charger；
Wherein, the exchange Vehicular charger is used for by the alternating-current charging pile, is the auxiliary energy storage unit
Carry out exchanging trickle charge.
Optionally, the distribution system also includes：
Bidirectional, dc/DC converter, the bidirectional, dc/DC converter connect the auxiliary energy storage unit and
The driving energy-storage units, in the case that electricity shortage occur in an energy-storage units wherein, using another
Energy-storage units charge to the energy-storage units of electricity shortage.
In the technical scheme of the embodiment of the present invention：The embodiment of the invention provides a kind of suitable for pure electric drive car
Distribution system, the driving energy storage powered for the drive system to pure electric drive car is provided with the distribution system
Unit, the auxiliary energy storage unit powered for the accessory system to pure electric drive car, and drive energy-storage units and auxiliary
Help the charging modes of energy-storage units different.Reduce that the supply of pure electric drive car electric energy is not enough, inconvenience of charging can
Energy property, is conducive to improving the utilization rate of pure electric drive car.
Second aspect present invention provides a kind of pure electric drive car, and the pure electric drive car includes above-mentioned power distribution system
System.
Other features and advantages of the present invention will illustrate in the following description, also, partly from specification
In become apparent, or by implement the present invention and understand.The purpose of the present invention and other advantages can pass through
Specifically noted structure is realized and obtained in specification, claims and accompanying drawing.
Brief description of the drawings
Technical scheme in order to illustrate more clearly the embodiments of the present invention, below will be to needed for embodiment description
The accompanying drawing wanted does simple introduction：
Fig. 1 is the structural representation of the distribution system suitable for pure electric drive car provided in an embodiment of the present invention.
Specific embodiment
Describe embodiments of the present invention in detail below with reference to drawings and Examples, whereby to the present invention how
Application technology means solve technical problem, and reach the implementation process of technique effect and can fully understand and real according to this
Apply.As long as it should be noted that do not constitute conflict, in each embodiment and each embodiment in the present invention
Each feature can be combined with each other, and the technical scheme for being formed is within protection scope of the present invention.
The invention provides a kind of distribution system suitable for pure electric drive car, as shown in figure 1, the distribution system
Including driving energy-storage units and auxiliary energy storage unit.
Wherein, driving energy-storage units to be chosen as can be for electrical equipment provides the power-type electricity that instantaneous large-current is powered
It is used to be powered to the drive system of pure electric drive car in pond, therefore the embodiment of the present invention, that is, drives energy-storage units to use
In driving pure electric drive Chinese herbaceous peony to enter, run；And auxiliary energy storage unit generally has than larger capacity, Neng Gouwei
Electrical equipment provides more lasting energy resource supply, therefore is used for the auxiliary of pure electric drive car in the embodiment of the present invention
Auxiliary system is powered, that is, drive the pure electric drive car of the non-driven such as air-conditioning, loudspeaker, the sound equipment in pure electric drive in-car portion to transport
Capable device.
For the ease of carrying out direct current charge to the driving energy-storage units in distribution system, matching somebody with somebody in the embodiment of the present invention
Electric system is provided with the first DC charging unit.The first DC charging unit includes：Direct current pantograph and direct current
Vehicular charger.Direct current pantograph is the electrical equipment that pure electric drive car obtains electric energy, is typically mounted on roof.
Pantograph can be divided to single armed bend and both arms bend two kinds, by slide plate, upper frame, lower arm rod (both arms bow underframe),
The part compositions such as underframe, rising bow spring, transmission cylinder, support insulator.As shown in figure 1, the present invention is implemented
Direct current pantograph in example may also set up on ground, so many pure electric drive cars can not simultaneously between using same
One direct current pantograph, so as to the utilization rate of direct current pantograph can be improved.
First DC charging unit also includes on pure electric drive car, connection drives the direct current of energy-storage units vehicle-mounted
Charger.Vehicular charger has according to the requirement of the driving energy-storage units security performance of pure electric drive car, is automatically
The ability for driving energy-storage units fully charged, Vehicular charger is according to battery management system (Battery Management
System, abbreviation BMS) data that provide, dynamic regulation charging current or voltage parameter are performed corresponding
Action, completes charging process.
The direct current Vehicular charger has the port coordinated with direct current pantograph.When the driving storage in pure electric drive car
When energy unit needs to charge, staff can be located at the upper direct current vehicle-mounted charge of direct current pantograph connection on ground
Machine, direct current Vehicular charger obtains electric energy by direct current pantograph, starts to carry out direct current to the driving energy-storage units
Fill soon.
For the pure electric drive car as public transport, charging process is pure electric drive car in initiating station
And during the rest and reorganization of terminus, staff is risen direct current pantograph and is connected to direct current Vehicular charger, is given and is driven energy storage
Unit carries out direct current charge.According to the dispatch situation of general public transport, pure electric drive car can be in yard
Rest and reorganize, charge 10 minutes, in the case that charge power is 200KW, 30 degree of electricity can be filled, pure electricity can be met
Drive the operation demand of more than 20 kilometers of circuit of car.
Now, with the popularization of pure electric drive car, the charging pile for being charged for pure electric drive car is also more and more
Appear in the life of people.Therefore, the distribution system in the embodiment of the present invention may also comprise be equally used for for
Driving energy-storage units carries out the second DC charging unit of direct current charge.It is different from the first DC charging unit
It is, the ground installation and non-dc pantograph of the second DC charging unit, and is disposed on the DC charging on ground
Stake.
Meanwhile, in order to coordinate direct-current charging post, cooperation direct-current charging post is provided with pure electric drive car fills mouth soon.
Fill soon mouth connection drive energy-storage units, direct-current charging post by connection fill soon mouth be embodied as drive energy-storage units carry out
Direct current charge.
In the embodiment of the present invention, drive energy-storage units not only to use power type battery, super electricity can also be used
Hold, will not be repeated here.
In order to be charged to auxiliary energy storage unit, the distribution system in the embodiment of the present invention is also included for for auxiliary is stored up
Energy unit carries out the AC charging unit of exchanging trickle charge.Because auxiliary energy storage unit is mainly in pure electric drive car
Accessory system be powered, power consumption is smaller, it is not necessary that filled using relatively costly direct current charge mode
Electricity.Therefore, for the AC charging unit that auxiliary energy-storage units charge includes：The alternating-current charging pile on ground is arranged at,
Alternating-current charging pile exports U, V, W three-phase alternating current；Connection alternating-current charging pile is exchanged with auxiliary energy storage unit
Vehicular charger.Wherein, exchange Vehicular charger is used for by alternating-current charging pile as the auxiliary energy storage unit is carried out
Exchanging trickle charge.
For the pure electric drive car as public transport, its charging process stops class for vehicle at night
Afterwards, vehicle is reached into specify, matching has the place of alternating-current charging pile, and the charging gun on alternating-current charging pile is connected
Connecting exchange Vehicular charger carries out exchanging trickle charge, and trickle charge is on duty without staff without Vehicle power ON,
Reduce the charge loss of pure electric drive car.
Also, the capacity of the auxiliary energy storage unit according to pure electric drive car and the power of exchange Vehicular charger, it is auxiliary
Helping energy-storage units can be full of in 3 hours.Auxiliary energy storage unit after being full of can meet auxiliary on pure electric drive car
The auxiliary system need for electricity of a day.According to the duty arrangement of public transit vehicle, the pure electricity that night can fill more than 3 drives
Motor-car, the time fully rested and reorganized with pure electric drive car is charged.
In addition, if pure electric drive car is in the process of running, auxiliary energy storage unit or drive energy-storage units electricity shortage,
And another battery still can with normal work when, it is in order to ensure that pure electric drive car integrally can normally run, i.e., pure
Electric drive car when advancing, the accessory system such as air-conditioning, sound equipment also normal work.In the embodiment of the present invention, distribution
System also includes bidirectional, dc/DC converter, and bidirectional, dc/DC converter can realize the transmitted in both directions of energy.
It is not only able to improve flexibility and the efficiency of distribution system, while also improving the dynamic property of distribution system, carries
The operating efficiency of pure electric drive car high.
Specifically, in the embodiment of the present invention, bidirectional, dc/DC converter connection auxiliary energy storage unit and driving are stored up
Energy unit, in the case that electricity shortage occur in an energy-storage units wherein, using another energy-storage units pair
The energy-storage units of electricity shortage charge, it is ensured that pure electric drive car integrally can normally run.
To sum up, a kind of distribution system suitable for pure electric drive car, the distribution system be the embodiment of the invention provides
In be provided with power for driving energy-storage units from the drive system to pure electric drive car, for pure electric drive car
The auxiliary energy storage unit powered of accessory system, and drive the charging modes of energy-storage units and auxiliary energy storage unit not
Equally.The possibility that pure electric drive car electric energy supplies not enough inconvenience of charging is reduced, is conducive to improving pure electricity drive
The utilization rate of motor-car.
Further, the embodiment of the present invention additionally provides a kind of pure electric drive car, and the pure electric drive car is mounted with
The distribution system stated.
While it is disclosed that implementation method as above, but described content is only to facilitate understand the present invention
And the implementation method for using, it is not limited to the present invention.Technology people in any the technical field of the invention
Member, on the premise of spirit and scope disclosed in this invention are not departed from, can be in the formal and details implemented
On make any modification and change, but scope of patent protection of the invention still must be with appending claims institute
The scope for defining is defined.
Claims (9)
1. a kind of distribution system suitable for pure electric drive car, it is characterised in that including：
Energy-storage units are driven, is charged by way of direct current charge, for the drivetrain to the pure electric drive car
System power supply；
Auxiliary energy storage unit, is charged by way of exchanging trickle charge, for the auxiliary system to the pure electric drive car
System power supply.
2. system according to claim 1, it is characterised in that also including the first DC charging unit and/
Or the second DC charging unit, the first DC charging unit and the second DC charging unit be used to for
The driving energy-storage units carry out direct current charge.
3. system according to claim 2, it is characterised in that the first DC charging unit includes：
Direct current pantograph；
Connect the direct current Vehicular charger of the direct current pantograph and the driving energy-storage units；
Wherein, the direct current Vehicular charger is used to obtain electric energy by the direct current pantograph, is the driving
Energy-storage units carry out direct current charge.
4. system according to claim 3, it is characterised in that the direct current pantograph is arranged at ground.
5. system according to claim 2, it is characterised in that the second DC charging unit includes：
It is arranged at the direct-current charging post on ground；
Mouth is filled soon for connect the direct-current charging post and the driving energy-storage units；
Wherein, the driving energy-storage units connect the direct-current charging post by the mouth that fills soon, to the driving
Energy-storage units carry out direct current charge.
6. the system according to any one of claim 1 to 5, it is characterised in that also including for being institute
Stating auxiliary energy storage unit carries out the AC charging unit of exchanging trickle charge.
7. system according to claim 6, it is characterised in that the AC charging unit includes：
It is arranged at the alternating-current charging pile on ground；
Connect the alternating-current charging pile and the auxiliary energy storage unit exchanges Vehicular charger；
Wherein, the exchange Vehicular charger is used for by the alternating-current charging pile, is the auxiliary energy storage unit
Carry out exchanging trickle charge.
8. the system according to any one of claim 1 to 7, it is characterised in that also include：
Bidirectional, dc/DC converter, the bidirectional, dc/DC converter connect the auxiliary energy storage unit and
The driving energy-storage units, in the case that electricity shortage occur in an energy-storage units wherein, using another
Energy-storage units charge to the energy-storage units of electricity shortage.
9. a kind of pure electric drive car, it is characterised in that including matching somebody with somebody as described in any one of claim 1 to 8
Electric system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510445843.7A CN106696722A (en) | 2015-07-27 | 2015-07-27 | Pure electric driving vehicle and power distribution system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510445843.7A CN106696722A (en) | 2015-07-27 | 2015-07-27 | Pure electric driving vehicle and power distribution system thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106696722A true CN106696722A (en) | 2017-05-24 |
Family
ID=58894716
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510445843.7A Pending CN106696722A (en) | 2015-07-27 | 2015-07-27 | Pure electric driving vehicle and power distribution system thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106696722A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110103728A (en) * | 2019-05-10 | 2019-08-09 | 吉林大学青岛汽车研究院 | A kind of long-distance heavy haul transport system based on on-line direct current driving |
| WO2020062370A1 (en) * | 2018-09-27 | 2020-04-02 | 中车戚墅堰机车有限公司 | Tram drive and traction system employing pure lithium battery |
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| US20110176343A1 (en) * | 2008-09-26 | 2011-07-21 | Merstech, Inc. | Power converting apparatus |
| CN104139706A (en) * | 2014-07-07 | 2014-11-12 | 郑州宇通客车股份有限公司 | Trolley bus and isolation type power supply system thereof |
| CN104242382A (en) * | 2014-08-20 | 2014-12-24 | 湖南南车时代电动汽车股份有限公司 | Automotive combined battery system and electric energy management method |
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2015
- 2015-07-27 CN CN201510445843.7A patent/CN106696722A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110176343A1 (en) * | 2008-09-26 | 2011-07-21 | Merstech, Inc. | Power converting apparatus |
| CN201854075U (en) * | 2010-11-30 | 2011-06-01 | 永济新时速电机电器有限责任公司 | Charging controller and charging system |
| CN104139706A (en) * | 2014-07-07 | 2014-11-12 | 郑州宇通客车股份有限公司 | Trolley bus and isolation type power supply system thereof |
| CN104242382A (en) * | 2014-08-20 | 2014-12-24 | 湖南南车时代电动汽车股份有限公司 | Automotive combined battery system and electric energy management method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020062370A1 (en) * | 2018-09-27 | 2020-04-02 | 中车戚墅堰机车有限公司 | Tram drive and traction system employing pure lithium battery |
| CN110103728A (en) * | 2019-05-10 | 2019-08-09 | 吉林大学青岛汽车研究院 | A kind of long-distance heavy haul transport system based on on-line direct current driving |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170524 |
|
| RJ01 | Rejection of invention patent application after publication |