CN109768610A - The charging method and system of electric vehicle - Google Patents
The charging method and system of electric vehicle Download PDFInfo
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- CN109768610A CN109768610A CN201910163438.4A CN201910163438A CN109768610A CN 109768610 A CN109768610 A CN 109768610A CN 201910163438 A CN201910163438 A CN 201910163438A CN 109768610 A CN109768610 A CN 109768610A
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- charging
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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
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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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
-
- 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
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/12—Electric charging stations
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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
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
- Y02T90/167—Systems integrating technologies related to power network operation and communication or information technologies for supporting the interoperability of electric or hybrid vehicles, i.e. smartgrids as interface for battery charging of electric vehicles [EV] or hybrid vehicles [HEV]
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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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S30/00—Systems supporting specific end-user applications in the sector of transportation
- Y04S30/10—Systems supporting the interoperability of electric or hybrid vehicles
- Y04S30/12—Remote or cooperative charging
Abstract
The present invention relates to charging technique fields, provide a kind of charging method of electric vehicle, including tri- steps of S1-S3.The present invention also provides a kind of charging systems of electric vehicle, including be set to operation centre fill power distribution automation server workstations, wireless security access filtering gateway, the DC power distribution cabinet at charged area and more family residential households for providing alternating current or it is more between office, the a plurality of alternating current that the DC power distribution cabinet receives each residential households or each office provides, and carrying out rectification and transformation respectively to each alternating current, each D.C. regulated power supply forms multiple power D.C. regulated power supply in the DC distribution cabinet combination.The present invention replaced with by way of it will obtain electric energy from power grid from more family residential households or it is more between office obtain the mode of electric energy, on the one hand it avoids and directly takes problem brought by electricity from power grid, on the other hand certain income can also be provided for resident or office, veritably realizes shared economy.
Description
Technical field
The present invention relates to charging technique field, the charging method and system of specially a kind of electric vehicle.
Background technique
It is more more and more universal with electric vehicle, such as electric car gradually popularizes, matched charging pile
It also will growth sharply.
However, increasing with the residential block either charging equipment similar to charging pile of Office Area, if they are directly
Power grid is accessed, when on the one hand will appear electric vehicle while charging, huge electrical load is caused to power grid, it is possible to meeting
Cause residential households or office's electricity shortage, on the other hand more high-power charging equipments can cause Harmfulness Caused by Harmonics to power grid.
Summary of the invention
The purpose of the present invention is to provide a kind of charging method of electric vehicle and systems, by that will obtain from power grid
Take the mode of electric energy replace with from more family residential households or it is more between office obtain the mode of electric energy, on the one hand avoid directly from
Power grid takes problem brought by electricity, on the other hand can also provide certain income for resident or office, veritably real
Now share economy.
To achieve the above object, the embodiment of the present invention provides the following technical solutions: a kind of charging side of electric vehicle
Method includes the following steps:
S1, from more family residential households or it is more between office obtain a plurality of alternating current；
Alternating current described in each item is pooled in DC power distribution cabinet by S2, and to each alternating current respectively carry out rectification and
Multiple D.C. regulated power supplies are obtained after transformation；
Each D.C. regulated power supply group is combined into multiple power D.C. regulated power supply in the DC power distribution cabinet by S3,
And it charges for different types of electric vehicle.
Further, it in the S1 step, is selected in the numerous residential households or office for closing on the DC power distribution cabinet
Take the residential households that alternating current is provided or office.
Further, it between the S1 step and the S2 step, installs additional and measures after first drawing the every alternating current
Device monitoring power supply amount, then each alternating current is pooled in the DC power distribution cabinet by special line.
Further, charging expense is calculated by the way of point-to-point shared electric energy clearing, specifically: power supply client can be in institute
State the electricity that power supply is read on metering device, operator know the electricity of power supply from the DC power distribution cabinet and upload the electricity to
It is shown at charging interface, on mobile phone application platform and computer applications platform, electricity consumption is known convenient for charging client, so that described
Power supply client and the charging point-to-point clearing of client.
Further, general power supply outlet is installed on the DC power distribution cabinet, and charging interface configuration is charged in parking stall
In stake or parking stall stopper, charge power supply is provided by the power supply outlet.
Further, the charging interface is detachable interface, in order to which it is adapted to the charging of all kinds of electric vehicles.
Further, overcurrent protection, overvoltage protection and short circuit grounding protection system are added in the DC power distribution cabinet.
Further, integrated intelligent is lined up charge function in the DC power distribution cabinet, specifically: smart allocation voltage and electricity
Stream output, and according to the charging time of the automatic or manual more charging equipments of adjustment of cell matched transformer capacitance and sequence.
The embodiment of the present invention provides a kind of another technical solution: charging system of electric vehicle, including is set to fortune
Power distribution automation server workstations, wireless security access filtering gateway, the DC power distribution cabinet at charged area are filled in battalion center
And more family residential households for providing alternating current or it is more between office, the DC power distribution cabinet receives each residential households
Or a plurality of alternating current that each office provides, and each alternating current is carried out respectively to obtain after rectification and transformation more
A D.C. regulated power supply, each D.C. regulated power supply form multiple power DC voltage-stabilizing electricity in the DC distribution cabinet combination
Source.
Further, the quantity of the DC power distribution cabinet has more, and each DC power distribution cabinet be built-in with it is more small
Power charger device.
Compared with prior art, the beneficial effects of the present invention are: replaced with by way of it will obtain electric energy from power grid from
More family residential households or it is more between office obtain the mode of electric energy, on the one hand avoid directly to take from power grid and be asked brought by electricity
Topic, on the other hand can also provide certain income for resident or office, veritably realize shared economy.
Detailed description of the invention
Fig. 1 is a kind of step flow chart of the charging method of electric vehicle provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other
Embodiment shall fall within the protection scope of the present invention.
Embodiment one:
Referring to Fig. 1, the embodiment of the present invention provides a kind of charging method of electric vehicle, include the following steps: S1,
From more family residential households or it is more between office obtain a plurality of alternating current；Alternating current described in each item is pooled to DC power distribution cabinet by S2
In, and multiple D.C. regulated power supplies are obtained after carrying out rectification and transformation respectively to each alternating current；S3, in the DC distribution
Each D.C. regulated power supply group is combined into multiple power D.C. regulated power supply in cabinet, and supplies different types of electric vehicle
Charging.In the present embodiment, signified electric vehicle can be electric car, battery-operated motor cycle, electric bicycle and
Electro-tricycle etc. is existing to provide the vehicles of driving force by battery.Following embodiment is detailed by taking electric car as an example
Explanation.It is well known that electric car is divided into two kinds, one is plug-in electromobiles, and one is oily electric hybrid-electric cars, insert
Electric-type electric car is after no electricity, and needing to carry out charging by charging pile can continue to use, and the electric hybrid electrically vapour of oil
For vehicle then independent of plug-in charging, the electric car of the present embodiment meaning is plug-in electromobile.Present policy is, such as
Fruit needs to set electric automobile charging pile in residential area or office ground Denso, and owner is needed voluntarily to declare installation, power supply mode
Main is exactly directly to take electricity from the power grid of residential area or Administrative Area, and such benefit is easy for managing, however as charging
The increasing of stake cause network load increase or user's charging time it is uncertain, more than the same period charge user and
Cause network load to increase, will residential households or office will cause with certain influence.Therefore the present embodiment uses another
A kind of outer feasible scheme, that is, if it is in residential area, then a plurality of alternating current is obtained from more family residential households, if
In office space, then office obtains a plurality of alternating current between more, and each family or office export 220V alternating current, load
No more than general small-power power consumption of home appliances, with protection power supply user power utilization safety.Then, it sets in charged area for charging
Each above-mentioned alternating current is pooled in the DC power distribution cabinet by DC power distribution cabinet, is then carried out respectively to these alternating currents whole
Reason and transformation, to obtain multiple D.C. regulated power supplies.Then, these D.C. regulated power supply groups are combined into the straight of a variety of different capacities
Regulated power supply is flowed, i.e., is charged for the different types of vehicles according to the power of its own.In this way, not only overcoming
It is directly accessed defect brought by power grid, but also certain income can be brought for residential households or office, it is special
Be not the electricity charge for residential households, in the first ladder be it is very cheap, and the charging expense that charging pile is collected be by
Constant, for the resident few for annual electricity consumption, it is very cost-effective that the electricity charge for paying low volume, which obtain the power supply expense of great number,
, and after being more than the first ladder, resident is also an option that stopping power supply or limitation power supply, veritably pushes shared economy
Development.Preferably, more small-power charging equipments are set in DC power distribution cabinet, to realize the reception of a plurality of alternating current and straight
Flow the acquisition of regulated power supply.In addition, after more small-power charging equipment groups of setting are combined into high-power charging equipment, although harmonic wave
Current effective value can increase with the increase of charging equipment number of units, but the harmonic current between them can mutually offset
Disappear, so that harmonic wave total current is actually less than the algebraical sum of the individual harmonic current of each charging equipment generation.Therefore, it is filling
If when harmonic suppression apparatus, it may be considered that because harmonic current offset each other phenomenon presence and appropriately reduce harmonics restraint dress
The quantity set, and then increase the available space in direct current cooperation cabinet, it will be able to increase the power of charging equipment also suitably.
As the prioritization scheme of the embodiment of the present invention, in the S1 step, the numerous of the DC power distribution cabinet are being closed on
It is chosen in residential households or office and residential households or the office of alternating current is provided.In the present embodiment, resident is used nearby
The power supply of family or office, it is possible to reduce Harmfulness Caused by Harmonics, if linking up good, it can be achieved that reducing Harmfulness Caused by Harmonics to the maximum extent,
But in any case, also than drawing from the power grid of switchgear house, power supply is closer, and generated Harmfulness Caused by Harmonics is also smaller.It is excellent
Choosing, take electricity that can take electricity by electricity box from power supply user man from residential households or office, can also from any air switch,
Socket or wiring board take electricity, take electrical distance with reduction as low as possible.
It, first will be described in every between the S1 step and the S2 step as the prioritization scheme of the embodiment of the present invention
Alternating current installs metering device additional after drawing and monitors power supply amount, then each alternating current is pooled to the direct current by special line and is matched
In electric cabinet.In the present embodiment, power supply user is monitored its power supply volume for convenience, adds after each alternating current is drawn
Metering device is filled to carry out real-time monitoring to it, is then pooled in DC power distribution cabinet by special line again, real-time monitoring can
So that more monitor it is more accurate, can also make power user learn power supply volume at any time.
Above scheme is advanced optimized, calculates charging expense by the way of point-to-point shared electric energy clearing, specifically: it supplies
Electric client can read the electricity of power supply on the metering device, and the electricity of power supply is known simultaneously from the DC power distribution cabinet in operator
It uploads at the electricity to charging interface, shown on mobile phone application platform and computer applications platform, know to use convenient for charging client
Electricity, so that the power supply client and the charging point-to-point clearing of client.In the present embodiment, for the ease of power supply user earning one
It is fixed for the electricity charge, to calculate charging expense by the way of point-to-point shared electric energy clearing, when being specifically divided into several aspects and coming
Between, on the one hand, power supply client can read the electricity of power supply on metering device, then calculate this according to the unit price of agreement and collect
Expense, on the other hand, operator can know the electricity of power supply from DC power distribution cabinet, then upload to the screen at charging interface
It on curtain, or shows in mobile phone application platform, or is shown on computer applications platform, so that charging client knows electricity
Amount, and the payment of transparence twelve Earthly Branches is used.
As the prioritization scheme of the embodiment of the present invention, general power supply outlet is installed on the DC power distribution cabinet, and will fill
Electrical interface configures on parking stall charging pile or parking stall stopper, provides charge power supply by the power supply outlet.In the present embodiment,
The mode of charging can be by parking stall charging pile either parking stall stopper, specifically, being that charging interface is mounted on parking stall
On charging pile either parking stall stopper.
Above scheme is advanced optimized, the charging interface is detachable interface, in order to which it is adapted to all kinds of electronic traffic
The charging of tool.In the present embodiment, charging interface is detachable interface, and charging interface can be according to charge user vehicle interface
Configuration is on parking stall charging pile or parking stall stopper, so that charging pile or parking stall stopper realize shared charging, without each filling
Electric stake is only charged for corresponding electric car, and also avoids charge user in the electronic vapour for replacing different charging interfaces
Charging pile or parking stall stopper are needed replacing after vehicle.
As the prioritization scheme of the embodiment of the present invention, added in the DC power distribution cabinet overcurrent protection, overvoltage protection with
And short circuit grounding protects system.In the present embodiment, these underlying security systems are added, it is ensured that the peace of electric car charging
Quan Xing.
As the prioritization scheme of the embodiment of the present invention, integrated intelligent is lined up charge function, tool in the DC power distribution cabinet
Body are as follows: the output of smart allocation voltage and current, and set according to the more chargings of automatic or manual adjustment of cell matched transformer capacitance
The standby charging time and sequence.In the present embodiment, in order to guarantee more than charge user and power grid will not be held when the charging time concentrates
By too big burden, the charging time and sequence of more charging equipments are adjusted using intelligent queuing charge function, are filled with reducing
Electric equipment is to power grid by the harm of load impact.Preferably, DC power distribution cabinet can also add tele-control system, be used for businessman
Remote control DC power distribution cabinet.Preferably, DC power distribution cabinet also has the function of capacitive reactive compensation, is used for compensating reactive power.
Embodiment two:
The present embodiment is based on the above embodiments one, can use mutually between two embodiments.Specifically, the present invention is implemented
Example a kind of charging system of electric vehicle is provided, including be set to operation centre fill power distribution automation server workstations,
Wireless security access filtering gateway, the DC power distribution cabinet at charged area and more family residential households for providing alternating current or
Office between more, a plurality of exchange that the DC power distribution cabinet receives each residential households or each office provides
Electricity, and multiple D.C. regulated power supplies, each DC voltage-stabilizing electricity are obtained after carrying out rectification and transformation respectively to each alternating current
Source forms multiple power D.C. regulated power supply in the DC distribution cabinet combination.In the present embodiment, distribution fills in operation centre
Automated server work station can coordinate the relationship between charging and distribution, and wireless security access filtering gateway can protect nothing
Line safety gives electric car to charge using DC power distribution cabinet, used electric energy from more family residential households or it is more between do
Public room avoids and is directly accessed defect brought by power grid, but also certain economic receipts can be brought to resident or office
Enter, for residential households, the electricity charge in the first ladder are very cheap, and the charging expenses that charging pile is collected
It is the power supply expense for obtaining great number by the electricity charge for for constant, few for annual electricity consumption resident, paying low volume, is to draw very much
It calculates, and after being more than the first ladder, resident is also an option that stopping power supply or limitation power supply, veritably pushes shared warp
The development of Ji.
As the prioritization scheme of the embodiment of the present invention, the quantity of the DC power distribution cabinet has more, and each direct current
Power distribution cabinet is built-in with more small-power charging equipments.In the present embodiment, (such as cell or unit) in same charged area
After more settable small-power charging equipment groups are combined into high-power charging equipment, although harmonic current virtual value can be with charging
The increase of equipment number and increase, but the harmonic current between them can offset each other, so that harmonic wave total current is practical
On be less than each charging equipment generation individual harmonic current algebraical sum.It therefore, can be with when installing harmonic suppression apparatus
Consider the presence of phenomenon because harmonic current offsets each other and appropriately reduce the quantity of harmonic suppression apparatus, and then increases direct current
Cooperate the available space in cabinet, it will be able to increase the power of charging equipment also suitably.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (10)
1. a kind of charging method of electric vehicle, which comprises the steps of:
S1, from more family residential households or it is more between office obtain a plurality of alternating current；
Alternating current described in each item is pooled in DC power distribution cabinet by S2, and carries out rectification and transformation respectively to each alternating current
After obtain multiple D.C. regulated power supplies；
Each D.C. regulated power supply group is combined into multiple power D.C. regulated power supply in the DC power distribution cabinet, and supplied by S3
Different types of electric vehicle charging.
2. the charging method of electric vehicle as described in claim 1, it is characterised in that: in the S1 step, facing
The residential households that alternating current is provided or office are chosen in numerous residential households of the nearly DC power distribution cabinet or office.
3. the charging method of electric vehicle as described in claim 1, it is characterised in that: in the S1 step and the S2
Between step, installs metering device after first drawing the every alternating current additional and monitor power supply amount, then will be each described by special line
Alternating current is pooled in the DC power distribution cabinet.
4. the charging method of electric vehicle as claimed in claim 3, which is characterized in that use point-to-point shared electric energy knot
The mode of calculation calculates charging expense, specifically: power supply client can read the electricity of power supply on the metering device, operator from
The DC power distribution cabinet knows the electricity of power supply and uploads at the electricity to charging interface, mobile phone application platform and computer applications
It is shown on platform, knows electricity consumption convenient for charging client, so that the power supply client and the charging point-to-point clearing of client.
5. the charging method of electric vehicle as described in claim 1, it is characterised in that: pacify on the DC power distribution cabinet
General power supply outlet is filled, and charging interface configuration is provided on parking stall charging pile or parking stall stopper by the power supply outlet
Charge power supply.
6. the charging method of electric vehicle as claimed in claim 5, it is characterised in that: the charging interface is detachable
Interface, in order to which it is adapted to the charging of all kinds of electric vehicles.
7. the charging method of electric vehicle as described in claim 1, it is characterised in that: increase in the DC power distribution cabinet
If overcurrent protection, overvoltage protection and short circuit grounding protect system.
8. the charging method of electric vehicle as described in claim 1, which is characterized in that collect in the DC power distribution cabinet
At intelligent queuing charge function, specifically: the output of smart allocation voltage and current, and it is automatic according to cell matched transformer capacitance
Or manually adjust the charging time and sequence of more charging equipments.
9. a kind of charging system of electric vehicle, it is characterised in that: the power distribution automation that fills including being set to operation centre takes
It is engaged in device work station, wireless security access filtering gateway, the DC power distribution cabinet at charged area and for providing the more of alternating current
Family residential households or it is more between office, the DC power distribution cabinet receives each residential households or each office provide it is more
Alternating current described in item, and multiple D.C. regulated power supplies are obtained after carrying out rectification and transformation respectively to each alternating current, it is each described
D.C. regulated power supply forms multiple power D.C. regulated power supply in the DC distribution cabinet combination.
10. the charging system of electric vehicle as claimed in claim 9, it is characterised in that: the number of the DC power distribution cabinet
Amount has more, and each DC power distribution cabinet is built-in with more small-power charging equipments.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910163438.4A CN109768610A (en) | 2019-03-05 | 2019-03-05 | The charging method and system of electric vehicle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910163438.4A CN109768610A (en) | 2019-03-05 | 2019-03-05 | The charging method and system of electric vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110194071A (en) * | 2019-06-06 | 2019-09-03 | 厦门市福工动力技术有限公司 | A kind of method of supplying power to of electronic automobile-used high power charging device |
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