CN108275022A - The full direct-current charging post that solar cell for electric vehicle is directly powered - Google Patents
The full direct-current charging post that solar cell for electric vehicle is directly powered Download PDFInfo
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- CN108275022A CN108275022A CN201810144259.1A CN201810144259A CN108275022A CN 108275022 A CN108275022 A CN 108275022A CN 201810144259 A CN201810144259 A CN 201810144259A CN 108275022 A CN108275022 A CN 108275022A
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/60—Monitoring or controlling charging stations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/30—Constructional details of charging stations
- B60L53/31—Charging columns specially adapted for electric vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/50—Charging stations characterised by energy-storage or power-generation means
- B60L53/51—Photovoltaic means
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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]
-
- 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The full direct-current charging post that solar cell for electric vehicle is directly powered,Without any energy storage inverter and peripheral equipment,In the case where there is sunlight conditions,It is directly realized by electric vehicle rapid charging function,And photo-voltaic power generation station can be adapted as grid-connected power station+centralization electric automobile charging station in the case where not increasing photovoltaic generation investment condition,Particularly suitable for the photovoltaic plant on outlying non-Electric region highway side is transformed into electric automobile charging station,It is difficult to solve electric vehicle charging,The difficult problem of especially remote traveling charging,It is characterized in that,Including charging gun,The charging gun connects DC/DC charging modules by DC measurement ammeter,The DC/DC charging modules connect solar module by controlling balance module,The DC/DC charging modules connect charging monitoring unit,The charging monitoring unit connects the charging gun,The charging monitoring unit is separately connected display screen and the POS,The control balance module connection control accessory power supply,The control accessory power supply connects the charging gun.
Description
Technical field
The present invention relates to electric automobile charging pile technology, especially a kind of solar cell for electric vehicle is directly powered complete
Direct-current charging post, solar energy directly power supply refer to the DC power supply that entire charging system electric power all is from solar panel,
The full direct-current charging post refers to that will be directly entered charging pile from solar DC electricity, and the intelligence by controlling balance module is adjusted
Section, to batteries of electric automobile group quick charge.The entire charging system that the full direct-current charging post of the present invention is combined with solar cell without
Need any energy-storage battery group, inverter and peripheral auxiliary equipment.The present invention can be in the case where not increasing photovoltaic generation investment condition, will
Large-scale ground photo-voltaic power generation station is adapted as grid-connected power station+centralization electric automobile charging station；Particularly suitable for by outlying non-Electric region
The photovoltaic plant on highway side is transformed into electric automobile charging station, difficult to solve electric vehicle charging, especially remote traveling
Charge difficult problem.
Background technology
Charging pile is the key equipment of electric vehicle charging.Batteries of electric automobile group is DC load, and no matter which kind of charges
Mode, last charge power supply, which will be converted into direct current, to charge.The required charging voltage of different electric vehicles is different.One
As pure electric vehicle minibus charging voltage in DC310-350V or so, large-scale pure electric vehicle logistic car is in DC450-550V or so.It fills
Electric speed depends on the size of charging current.The fast charge stake power of domestic general power grid power supply is 60KW-200KW.Usually will
AC380V industrial powers charge for electric vehicle automobile after the links such as rectification, boosting, filtering switch to direct current.Due to fast charge
Stake power is too big, and normal office area, industrial area, Expressway Service transformer capacity install 1~2 soon without too big surplus
Switchgear house breaking and voltage fluctuation will be caused by filling stake.High-power charging pile is promoted in existing building group to be nearly impossible,
Because even having ready conditions installation, it is also desirable to which original circuit is transformed in increase-volume transformer, by underground high-voltage cable by AC380V power supplys
Parking stall is introduced from switchgear house.This mode need to could construct after power department is examined, and cost takes, and indirect expense is charging
4~5 times of expense of stake.In fact, this is the link being most difficult in charging pile popularization.
The inventors discovered that domestic photovoltaic electric vehicle charging station generally use photovoltaic generation+energy storage+charging combination side
Formula.Solar DC is electronically stored in accumulator, then by inverter (DC/AC) by energy-storage battery converting direct-current power into alternating-current power
AC380V, then rectification AC is carried out by common charger and turns DC.Not only conversion links are more, and efficiency is low, and energy storage section cost accounts for
It is primary to replace accumulator in every 3 years for 65% or more of whole system.Because off-network type inverter power (largest domestic 300KW) is limited,
Traditional charger starting current of Alternating Current Power Supply is 1.5 times~2 times of rated current, so the common charger of configuration also can not
Energy power is too big.Inventors believe that if the control balance module of the photovoltaic battery panel specially designed is introduced charging pile, make
The DC/DC charging modules that the voltage and current that solar cell changes at any time is steadily input to multigroup parallel connection are obtained, according to solar cell
The realtime power of plate, then intelligence are assigned to each DC/DC charging modules and directly supply electricity to charging pile again one by one, realize without energy storage,
The instant opto-electronic conversion quick charge of no-reverse change greatly reduces newly-built electric vehicle while meeting quick-charge function
The cost of investment of charging station, to be conducive to apply and increase charge function in conjunction with existing photovoltaic plant, to utilize green from now on
A new approach is started in energy charging.In view of this, the present inventor completes the present invention.
Invention content
The present invention is in view of the deficiencies in the prior art or insufficient, provides a kind of solar cell for electric vehicle and directly supplies
The full direct-current charging post of electricity, solar energy directly power supply refer to the direct current that entire charging system electric power all is from solar panel
Power supply, the full direct-current charging post refer to that will be directly entered charging pile from solar DC electricity, by controlling balance module
Intelligence is adjusted, to batteries of electric automobile group quick charge.The entire charging that the full direct-current charging post of the present invention is combined with solar cell
System is not necessarily to any energy-storage battery, inverter and peripheral auxiliary equipment.The present invention can not increase photovoltaic generation investment condition
It is lower that existing photo-voltaic power generation station is adapted as grid-connected power station+centralization electric automobile charging station, particularly suitable for by outlying non-Electric region
The photovoltaic plant on highway side is transformed into electric automobile charging station, difficult to solve electric vehicle charging, especially remote traveling
Charge difficult problem.
Technical scheme is as follows：
The full direct-current charging post that solar cell for electric vehicle is directly powered, which is characterized in that described to fill including charging gun
Electric rifle connects DC/DC charging modules by DC measurement ammeter, and the DC/DC charging modules are by controlling balance module connection too
Positive battery component, the DC/DC charging modules connect charging monitoring unit, and the charging monitoring unit connects the charging gun,
The charging monitoring unit is separately connected display screen and the POS, and the control balance module connection control accessory power supply is described
It controls accessory power supply and connects the charging gun.
The control balance module includes current balance type interface, and the output end of the current balance type interface connects the DC/
The input terminal of DC charging modules, the current balance type interface connects charging control circuit, and the charging control circuit is separately connected
MCU main control units and current/voltage detection device, the current/voltage detection device are separately connected voltage and current configuration mould
Block and the MCU main control units, the voltage and current configuration module is for configuring different solar cell arrays to meet reality
Voltage and current requirement needed for the charging of border, the voltage and current configuration module connect solar module by anti-Anti-Handling Device
Or photovoltaic plant header box direct current output side terminal, the voltage and current configuration module connect the MCU main control units.
Lightning protection module is provided in the control balance module, the lightning protection module passes through anti-Anti-Handling Device
Connect solar module or photovoltaic plant header box terminal.
Wechat payment code or Alipay payment code are provided on the POS or on the display screen, the charging gun is
9 hole standard fast charge rifles, the charging monitoring unit connect the charging gun by CAN bus.
The charging monitoring unit connects the charging gun by CAN bus, and the charging gun connects to be charged electronic
Automobile, the charging monitoring unit are connected with the battery management unit of the electric vehicle by CAN bus and reach association of shaking hands
Start charging after view.
The DC/DC charging modules include high-frequency switching power supply module, and are backed up using more power module parallel redundancies
Operation, the input voltage ranges of the DC/DC charging modules are DC200~700V, output voltage voltage range be DC200~
700V。
The solar module includes crystal silicon cell plate and/or thin film solar cell, passes through battery series-parallel connection mode
Reach the voltage and current requirements of charging pile.
The display screen shows that human-computer interaction interface, the human-computer interaction interface have automatic charging button, artificial charging
Dialog box, the people is manually arranged with battery charge state Real time displaying column, the artificial charge button connection is electrically charged in button
Work setting dialog box includes charging voltage column, charging current column and charging ledger account with balance column.
The control accessory power supply has Input voltage terminal and doubleway output voltage end all the way, the Input voltage terminal all the way
Input exports DC12V and DC24V from solar panel voltage DC300V~600V, the doubleway output voltage end.
There is system power supply, the system power supply to be exported with tri- tunnels DC24V/12V/5V in the control balance module,
The system power supply is separately connected system power supply interface and the MCU main control units.
The technique effect of the present invention is as follows：The full direct-current charging post that present invention solar cell for electric vehicle is directly powered,
By the way that balance module will be controlled introduce charging pile so that solar cell directly supplies electricity to charging pile, realizes without energy storage, no-reverse change
Instant opto-electronic conversion then can greatly reduce the throwing of newly-built electric automobile charging station while meeting quick-charge function
Cost is provided, to be conducive to combine existing photovoltaic plant application, to start a new approach using green energy resource charging from now on.
The full direct-current charging post of the present invention is directly realized by electronic vapour without any energy storage inversion and peripheral equipment under conditions of having sunlight
Vehicle quick-charge function.It is direct current input and direct current output that the full direct-current charging post, which refers to operational mode, is not only limited in too
The direct current of positive solar panel inputs, and is also applied for the direct current input from energy-storage battery group.Full direct-current charging post shape can be vertical
Formula or horizontal type structure, also can be with energy-storage system integrated design.
The present invention can not only pass through the sun of the existing specification of connection in series-parallel by any energy storage inverter and auxiliary equipment
Solar panel forms suitable charging voltage and electric current.Input voltage DC200V~700V of charging pile is by more 280W sun electricity
Pond plate (single rated voltage：31.8V rated current：It 8.8A) is composed in series, charging current is by multigroup solar panel parallel connection number
Amount determines, then by full direct current charge stake is directly electric vehicle rapid charging, and maximum charging current is up to (23 groups of 200A or more
It is in parallel), the bicycle charging time is 0.5~1 hour.
The features of the present invention is as follows：1, without any energy storage inverter, access solar panel can be realized to electronic vapour
Vehicle fast charge pattern.2, full direct current input/output, integrated design.Output voltage range is wide (DC200V-DC700V), can meet
The electric vehicle of various models charges.3, separate unit charge power is by standard charging wired in parallel dilatation, single module charging current
10A, maximum charge system can be to 200A or more (at most can in parallel 36 DC/DC modules).Maximum dilatation power up to 200KW with
On.The common pure electric vehicle minibus charging time is 0.5-1 hour.4, charging pile operating voltage is compatible with existing photovoltaic plant simultaneously
Net DC side voltage of converter (DC600V) has suitable voltage and charging pile mating interface (DC500-700V), and does not influence
Grid-connected power station function.5, charging pile charging module of the invention can alternating current-direct current input compatibility.AC-input voltage AC220V/
380V, DC input voitage are DC200-700V.6, charging pile input power can pass through existing 260-300W of national standard sun electricity
Pond minimum 8 series connection of plate serioparallel mode self assemble single group solar panels can start (series voltage DC240V, power
2.1KW), 20 solar panels (series voltage DC600V, 5.2KW) of highest series connection.Modular system parallel connection group number be 16 groups (83KW,
The rated output of one header box).7, it is not limited by power grid, the solar energy off-network charging of various scales is arbitrarily installed in non-Electric region
System, solar panel can be mounted on roof or ground, and solar panel accesses charging pile directly-chargeable.It 8, can be in electric region
It is the round-the-clock charging of electric vehicle that exchange interface is selected in grid-connected photovoltaic power station.No vehicle charging auto-parallel.
The application field of the present invention is as follows：1, it is the mating full direct-current charging post in existing distributed roof power station, is not increasing
Under photovoltaic generation investment condition, it is conveniently adapted as grid-connected power station+centralization electric automobile charging station.2, it is that outlying district high speed is public
The mating electric vehicle electrically-charging equipment of desert photovoltaic plant, ground photovoltaic plant in roadside.Draw at original photovoltaic plant header box
Go out positive and negative busbar (it is DC600V that national standard, which designs header box output), directly docks this charging pile input interface (DC200-700V)
It is that long-distance running electric vehicle charges afterwards.3, solar carport is built in the good non-Electric region of sunshine, daytime can directly be electronic vapour
Vehicle charges.Charging rainy days coordinates using with energy storage charging vehicle.Without vehicle charging energy-storing, roadside assistance power transmission service.
Description of the drawings
Fig. 1 is the full direct-current charging post structural schematic diagram implemented present invention solar cell for electric vehicle and directly powered.
Fig. 2 is the structural schematic diagram for controlling balance module.
Reference numeral lists as follows：1- solar battery strings parallel component or photovoltaic plant header box direct current side terminal (photovoltaic
Terminals P V, photovoltaic or photovoltaic array terminal, solar cell array end)；2- controls balance module；3-DC/DC
Charging module (DC, that is, Direct Current, DC/DC refer to optional different DC voltages or with different DC voltage values it
Between the function converted)；4- DC measurement ammeters；5- charging guns (for example, 9 hole standard fast charge rifles, 250A)；6- charging monitoring units
(intelligent monitoring, such as microcontroller is used to control)；7- display screens；The 8- POSs (can be attached to wechat payment code/Alipay payment
Code)；9- controls accessory power supply (input voltage DC300V~600V, output two-way voltage DC12V/24V)；10- electric vehicles；
The full direct-current charging posts of 11-；21- current balance type interfaces；22- current/voltage detection devices；23- charging control circuits；24- systems
Power interface；25- system power supplies (have the output of tri- tunnels DC24V/12V/5V)；26-MCU main control units；27- voltage and currents are matched
Set module；28- lightning protection modules；The anti-Anti-Handling Devices of 29- (prevent reverse charging or prevent backward current or prevent pole
Property reversal connection)；PV- photovoltaic terminals；CAN- controller LANs (Controller Area Network) communications protocol or CAN are total
Line.
Specific implementation mode
Below in conjunction with the accompanying drawings (Fig. 1-Fig. 2) the present invention will be described.
Fig. 1 is the full direct-current charging post structural schematic diagram implemented present invention solar cell for electric vehicle and directly powered.Fig. 2
It is the structural schematic diagram for controlling balance module.As shown in Figure 1 to Figure 2, the full direct current that solar cell for electric vehicle is directly powered
Charging pile, including charging gun 5, the charging gun 5 connect DC/DC charging modules 3 by DC measurement ammeter 4, and the DC/DC fills
Electric module 3 connects solar module 1 by controlling balance module 2, and the DC/DC charging modules 3 connect charging monitoring unit
6, the charging monitoring unit 6 connects the charging gun 5, and the charging monitoring unit 6 is separately connected display screen 7 and the POS 8,
The connection of the control balance module 2 control accessory power supply 9, the control accessory power supply 9 connect the charging gun 5.The control
Balance module includes current balance type interface 21, and the output end of the current balance type interface 21 connects the DC/DC charging modules 3,
The input terminal of the current balance type interface 21 connects charging control circuit 23, and the charging control circuit 23 is separately connected MCU master
Control unit 26 and current/voltage detection device 22, the current/voltage detection device 22 are separately connected voltage and current configuration mould
Block 27 and the MCU main control units 26, the voltage and current configuration module 27 for configure different solar cell arrays with
Meet the voltage and current requirement needed for practical charging, the voltage and current configuration module 27 is connected too by anti-Anti-Handling Device 29
Positive battery component or photovoltaic plant header box terminal 1, the voltage and current configuration module 27 connect the MCU main control units
26.Lightning protection module 28 is provided in the control balance module 2, the lightning protection module 28 passes through anti-Anti-Handling Device
29 connection solar modules or photovoltaic plant header box terminal 1.
Wechat payment code or Alipay payment code, the charging gun are provided on the POS 8 or on the display screen 7
5 be 9 hole standard fast charge rifles, and the charging monitoring unit 6 connects the charging gun 5 by CAN bus.The charging monitoring unit
6 connect the charging gun 5 by CAN bus, and the charging gun 5 connects electric vehicle 10 to be charged, the charging monitoring list
Member 6, which connect by CAN bus and reached with the battery management unit of the electric vehicle 10, starts charging after Handshake Protocol.It is electronic
Automobile 10 is connected to solar module 1 by full direct-current charging post 11.The DC/DC charging modules 3 include HF switch electricity
Source module, and using more power module parallel redundancy backup operations, the input voltage range of the DC/DC charging modules is
DC200~700V, output voltage voltage range are DC200~700V.The solar module 1 includes crystal silicon cell plate
And/or thin film solar cell, the voltage and current requirements of charging pile are reached by battery series-parallel connection mode.The display screen 7 is aobvious
Show that human-computer interaction interface, the human-computer interaction interface have automatic charging button, artificial charge button and be electrically charged battery charge
State Real time displaying column, the artificial artificial setting dialog box of charge button connection, the artificial setting dialog box includes charging
Voltage column, charging current column and charging ledger account with balance column.The control accessory power supply 3 has Input voltage terminal all the way and doubleway output electricity
Pressure side, the input of Input voltage terminal all the way come from solar panel voltage DC300V~600V, the doubleway output voltage end
Export DC12V and DC24V.There is system power supply 25, the system power supply 25 to have DC24V/ in the control balance module 2
Tri- tunnels 12V/5V export, and the system power supply 25 is separately connected system power supply interface 24 and the MCU main control units 26.
The full direct-current charging post that solar cell for electric vehicle is directly powered, all charge and discharge designs of system are based on full direct current
Pattern.It is generator unit (operating voltage DC31.8V, rated current 8.8A) using 260W -300W polycrystalline silicon solar cell plates
It carries out 19 and is composed in series solar cell array, which is promoted to DC604V.Reach defeated by 16 groups in parallel
Go out electric current 140A.The index Design mainly utilizes existing photovoltaic plant standard direct current conflux case input specification (19 solar cells
Plate is connected and 16 tunnels are in parallel), general power 85.12KW easily can take out the direct current of DC604V140A in header box output end
Dock direct current charge stake in source.General large size roof photovoltaic power station capacity is 1MW -7MW.It can facilitate and take out the tunnel of 10 tunnels -70 in this way
DC power supply, can be installed by also meaning that by 10 --- 70 independent operating charging piles.Because of electric vehicle charging voltage
250V -550V is far below photovoltaic plant 604V voltages, as long as there is vehicle charging, photovoltaic plant electric current should be preferentially to charging pile direction
Flowing, that is, ensure that the stability of electric vehicle charging, and realize electric vehicle charging priority function.The system charges just without vehicle
It is often grid-connected, the operation of former photovoltaic plant is not influenced.The standard solar electric power supply system general power is 85.12KW.Experiment shows (wide
Eastern area)：Generate electricity 85KW photovoltaic plant annual days 300KWH (fine day), cloudy day power generation 100--150 degree, rainy day power generation 30-
50 degree.In waiting for peacefully practical application, each MW (1000KW) grade large-scale ground photovoltaic plant within continuous rainy days, also has daily
The supply of electric power of 300-500KWH (degree).By small-sized electric vehicle battery capacity 25KWH -35KWH calculate, rainy days each MW
Grade photovoltaic plant can also charge 10-15 train numbers.Ground photovoltaic plant capacity along domestic highway is substantially 10-
20MW is most, advantageous geographical location and huge capacity, as long as reconnaissance is suitable, can facilitate and increase electric vehicle charging work(
Energy.
The full direct-current charging post that solar cell is directly powered is by control balance module 2, DC/DC charging modules 3, DC measurement
Ammeter 4, charging gun 5, charging monitoring module 6, display screen 7, the POS 8, control accessory power supply 9 form, and electric vehicle 10 needs
When charging, solar module 1 is directly accessed full direct-current charging post 11, then from the charging gun 5 that charging pile carries to electric vehicle
10 quick charges.
Solar module 1 can be the solar panel of market routine, wherein be most suitable for this system application is brilliant
Body silion cell plate, thin film solar cell are also suitable.It is the polysilicon or monocrystalline silicon light of 260W -300W generally to select single power
It is more suitable to lie prostrate component, the voltage and electric current of charging pile are reached by connection in series-parallel.
Balance module 2 is controlled, refers to input terminal inside charging pile and carries out photovoltaic voltage autobalance adjustment, ensure that DC/DC fills
The Operation at full power of electric module starts voltage substantially.And with defencive functions such as lightning protection, surge, error-polarity connection, unidirectional energizations.Also
It can be according to input photovoltaic size of current, one by one intelligent starting DC/DC charging modules.Realize single module full power operation shape
State, transfer efficiency greatly improve.
DC/DC charging modules 3 are the HF switch power source special modules of special designing (can also select from the prior art
Use the high-frequency switching power supply module of adaptation).Charge efficiency reaches 95% or more.It is output and input with DC200-700V
DC200-700V functions, standard module power are divided into two kinds of 4KW, 15KW.More power module parallel redundancy backup fortune can be used
Row, at most parallel connection quantity form high-power charging system up to 36.Intermodule nonuniform fluid≤5%, the constant work(of sectional type
Rate designs, and wide scope sets output voltage electric current, can significantly promote charging rate, fast charge and trickle charge can be with unrestricted choices；
Included standard isolated can port is communicated with monitor.There are perfect protection and alarm function, including inputted/under-voltage, output
Overvoltage, excess temperature, overcurrent etc..
DC measurement ammeter 4 is to be used for charging pile meterage unit.It can be recorded in real time at the charge volume and electricity of line in detail
Stream, voltage are carried out being explicitly shown record by included display screen 7.
Charging gun 5 refers mainly to 9 hole standard fast charge rifles.Maximum amount electric current is 250A, and charging gun standard designs for national standard, is accorded with
GBT18487.1-2015, GBT20234.1/2/3-2015 are closed, GBT27930-2015 standards can meet the electronic of various models
Automobile fast charge interface.
Charging monitoring unit 6 is the control core of this system.Pass through CAN bus and batteries of electric automobile administrative unit
(BMS) and onboard instruments connect, and start charging after reaching Handshake Protocol.According to the given ginseng of batteries of electric automobile inspection (BMS)
Number is executed by DC/DC charging modules 3.And different charge operation patterns is set according to different electric vehicles, it is carried to electric vehicle
For required charging voltage and maximum charging current, quick charge is realized.When mistake in charging process/under-voltage, electric leakage, mistake occurs
The abnormal conditions such as stream, excess temperature, automatic alarm simultaneously cut off main circuit.
Display screen 7 is the human-computer interaction interface of this system, using high-performance ARM chips and 7 cun of true color touch screens, human nature
Change design, it is simple to operate.Interface provides automatic charging mode and artificial charging modes." automatic charging " button is clicked,
It will charge by automatic charging mode.Charging voltage, charging current need to be arranged in artificial charging modes, and the data such as charging amount of money are
It starts to charge up.For the batteries of electric automobile SOC capacity that is electrically charged also by Real time displaying, user will be clearly understood that existing charging
Measure and also need to wait for the charging time.
The POS 8 is clearing charging expense device, also functions to the function of startup and pass hull closure.The charging amount of money swiped the card is used
Family can be prestored by writer.The charging electricity price of different use environments (cross charging, externally clearing) can be voluntarily arranged.Separately
Outside, the POS has signal wire to be connect with master control borad, starts internal switch after swiping the card first, and entire charging pile could be run.Charging
It swipes the card again after the completion, charging gun self-locking device could be released, realize that user's electric vehicle is detached from charging gun.
It is the internal control component power supply powered based on solar panel to control accessory power supply 9.This system control system
The power supply of system is divided to DC12V, DC24V two kinds.The power supply is also a kind of DC/DC conversion electric powers, and power is 150W or more.Input
From solar panel voltage DC300V -600V, output two-way DC12V/DC24V.Since input voltage range is wider, be free of
Because cloud cover stops power supply to sunlight in short-term.
Electric vehicle 10 refers to the various model electric vehicles of domestic production before 2017.This charging pile output voltage exists
DC200-700V, charging voltage have covered all pure electric vehicle minibuses, logistic car, large-scale public affairs in DC250V -550V ranges
Hand over the charge voltage range of vehicle.
Emergency stop switch has been arranged in mains supply line in this system.Emergency is occurring, if personnel get an electric shock, automobile electric leakage,
It the emergencies such as catches fire, it can be in 10mS internal cutting off charger direct current outputs, to protect by the emergency stop switch on cabinet panel, system
Shield personnel and property safety.
The configuration of solar module designs：The solar panel 1 is reached charging module by series connection to start
After voltage DC200V, theoretically charging module begins to work.But solar panel is blocked in short-term because of sky cloud layer in order to prevent
Cause voltage change, the output voltage of solar panel is generally increased to DC300V or so (10 solar panel series connection).The electricity
The raising of pressure value had both rationally avoided the total power work for also meeting charging module because solar radiation variations cause mains ripple
Make voltage range (DC240V-DC700V).The charging current of charging pile improves, and can pass through multigroup solar module in parallel
The mode for increasing power solves.
Full direct-current charging post internal mechanical structure：Solar powered full direct-current charging post shell is by metal waterproof box body group
At all electric components are mounted on box house.The full direct-current charging post can be the independent operating structure of vertical installation,
It can also be horizontal energy storage charging integral structure.The omnipotent gold of a plurality of Z-type band installation square hole of each side vertical position welding of box house
Belong to holder.Universal stand with holes is made of 2.0 millimeters of monolithic metal bendings.The Z-type holder of vertical position welding is welded in cabinet on one side
Wall, other two vertical plane and the horizontal plane of holder have several uniformly distributed square holes, conveniently can install electrical part at an arbitrary position
Part.Chassis base is equipped with air inlet, and enclosure top has air outlet.When the charging module fever of the middle part installation site in cabinet
When, upper and lower inlet and outlet forms Natural Circulation channel, achievees the effect that reduce module operating temperature.
Full direct-current charging post runs program：Charging gun is inserted into electric vehicle fast charge interface first.Started by the POS 8
Accessory power supply 9 is controlled, realizes that display screen 7 is powered with accessory power supply DC12V/DC24V in charging control unit 6 and charging gun.
It controls accessory power supply 9 to connect by charging gun inner wire and electric vehicle BMS, charging control unit 6 is logical by the CAN of charging gun
The charge information that communication interface obtains the electric vehicle (includes the remaining battery appearance of charging voltage, maximum charging current, electric vehicle
Measure the data such as SOC).Charging instruction is sent out by charging control unit 6 again and connects mains supply line.The charging mould of operating display 7
Formula enters automatic charging state, and the entire preparation that charges is completed.
Charging voltage from multigroup solar module and charging current, first pass through the control balance module 2 into
Row confluence.Control balance module 2 is controlled by microcontroller, to inputting continually changing photovoltaic battery panel voltage into Mobile state voltage stabilizing tune
Section, starts DC/DC charging modules also according to input current one by one, and executes the equal mobile equilibrium output of each road solar cell, prevents
Reversed output, positive-negative polarity reverse connecting protection, the functions such as anti-lightning strike protection.The input terminal of DC/DC charging modules 3 and control balance mould
The output end of block connects, and sends out various charging instructions by charging control unit 6 and charges.Charging current need to pass through DC measurement
Ammeter 4 carries out rechargeable electrical energy metering, and relevant information is fed back to display screen 7 by charging control unit 6.When electric vehicle electricity
Tankage SOC reaches 100%, and charging control unit 6 sends out instruction and cuts off main power supply circuit, and charging is automatically stopped.When charging stops
Only or midway stops, and the cut-out control accessory power supply that still needs to swipe the card again can withdraw from charging gun.The charging of the charging pile can also
By the APP platforms for operator of specially charging, wechat delivery operation is carried out.
It is hereby stated that described above contribute to those skilled in the art understand that the invention, but not limit the present invention
The protection domain of creation.It is any that equivalent replacement described above, modification are improved without disengaging the invention substantive content
And/or delete numerous conform to the principle of simplicity and the implementation that carries out, each fall within the protection domain of the invention.
Claims (10)
1. the full direct-current charging post that solar cell for electric vehicle is directly powered, which is characterized in that including charging gun, the charging
Rifle connects DC/DC charging modules by DC measurement ammeter, and the DC/DC charging modules connect the sun by controlling balance module
Battery component, the DC/DC charging modules connect charging monitoring unit, and the charging monitoring unit connects the charging gun, institute
It states charging monitoring unit and is separately connected display screen and the POS, the control balance module connection control accessory power supply, the control
Accessory power supply processed connects the charging gun.
2. the full direct-current charging post that solar cell for electric vehicle according to claim 1 is directly powered, which is characterized in that
The control balance module includes current balance type interface, and the output end of the current balance type interface connects the DC/DC chargings mould
The input terminal of block, the current balance type interface connects charging control circuit, and the charging control circuit is separately connected MCU main controls
Unit and current/voltage detection device, the current/voltage detection device are separately connected voltage and current configuration module and described
MCU main control units, the voltage and current configuration module is for configuring different solar cell arrays to meet practical charging institute
The voltage and current requirement needed, the voltage and current configuration module connect solar module or photovoltaic electric by anti-Anti-Handling Device
It stands header box DC side leading-out terminal, the voltage and current configuration module connects the MCU main control units.
3. the full direct-current charging post that solar cell for electric vehicle according to claim 2 is directly powered, which is characterized in that
Lightning protection module is provided in the control balance module, the lightning protection module connects the sun by anti-Anti-Handling Device
Battery component or photovoltaic plant header box DC side leading-out terminal.
4. the full direct-current charging post that solar cell for electric vehicle according to claim 1 is directly powered, which is characterized in that
Wechat payment code or Alipay payment code are provided on the POS or on the display screen, the charging gun is 9 hole standards
Fast charge rifle, the charging monitoring unit connect the charging gun by CAN bus.
5. the full direct-current charging post that solar cell for electric vehicle according to claim 1 is directly powered, which is characterized in that
The charging monitoring unit connects the charging gun by CAN bus, and the charging gun connects electric vehicle to be charged, described
Charging monitoring unit, which is connected with the battery management unit of the electric vehicle by CAN bus and reaches to start after Handshake Protocol, to be filled
Electricity.
6. the full direct-current charging post that solar cell for electric vehicle according to claim 1 is directly powered, which is characterized in that
The DC/DC charging modules include high-frequency switching power supply module, and using more power module parallel redundancy backup operations, described
The input voltage range of DC/DC charging modules is DC200~700V, and output voltage voltage range is DC200~700V.
7. the full direct-current charging post that solar cell for electric vehicle according to claim 1 is directly powered, which is characterized in that
The solar module includes crystal silicon cell plate and/or thin film solar cell, reaches charging by battery series-parallel connection mode
The voltage and current requirements of stake.
8. the full direct-current charging post that solar cell for electric vehicle according to claim 1 is directly powered, which is characterized in that
The display screen shows human-computer interaction interface, the human-computer interaction interface have automatic charging button, artificial charge button and by
Rechargeable battery state-of-charge Real time displaying column, the artificial artificial setting dialog box of charge button connection, the artificial setting pair
Words frame includes charging voltage column, charging current column and charging ledger account with balance column.
9. the full direct-current charging post that solar cell for electric vehicle according to claim 1 is directly powered, which is characterized in that
There is the control accessory power supply Input voltage terminal and doubleway output voltage end all the way, the input of Input voltage terminal all the way to come from
Solar panel voltage DC300V~600V, the doubleway output voltage end export DC12V and DC24V.
10. the full direct-current charging post that solar cell for electric vehicle according to claim 2 is directly powered, feature exist
In with system power supply in the control balance module, the system power supply is with the output of tri- tunnels DC24V/12V/5V, the system
System power supply is separately connected system power supply interface and the MCU main control units.
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| CN201810144259.1A CN108275022A (en) | 2018-02-12 | 2018-02-12 | The full direct-current charging post that solar cell for electric vehicle is directly powered |
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| CN201810144259.1A CN108275022A (en) | 2018-02-12 | 2018-02-12 | The full direct-current charging post that solar cell for electric vehicle is directly powered |
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Effective date of registration: 20210625 Address after: 110000 3-1-1, No.16, shishiwei Road, Heping District, Shenyang City, Liaoning Province Applicant after: Wang Shiyang Address before: 100191 room 113, main building, No.3 Huayuan Road, Haidian District, Beijing Applicant before: BEIJING NEW POWER PHOTOELECTRIC TECHNOLOGY Co.,Ltd. |