CN106100029A - Station is filled in a kind of energy storage soon - Google Patents
Station is filled in a kind of energy storage soon Download PDFInfo
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- CN106100029A CN106100029A CN201610490362.2A CN201610490362A CN106100029A CN 106100029 A CN106100029 A CN 106100029A CN 201610490362 A CN201610490362 A CN 201610490362A CN 106100029 A CN106100029 A CN 106100029A
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Classifications
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- H02J7/0027—
-
- 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
- B60L53/10—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 characterised by the energy transfer between the charging station and the vehicle
- B60L53/11—DC charging controlled by the charging station, e.g. mode 4
-
- 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
-
- 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
- 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
-
- 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
- Y02T90/14—Plug-in electric vehicles
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a kind of energy storage and fill station soon, belong to electric energy device technical field.Prior art fill station soon, the biggest to electrical network impact, and structure is complicated, manufacturing cost is high.Station is filled in a kind of energy storage soon, including in order to provide the electric power system of electric energy, in order to the charging system that electric automobile is charged and the control system controlling charging system, described control system connects one in order to store the energy-storage system of electric energy, described electric power system includes that one in order to be that galvanic AC/DC concentrates current transformer by convert alternating current, described AC/DC concentrates current transformer respectively charged in parallel system, energy-storage system.The present invention arranges energy-storage system, it is possible to store electric energy in advance, utilizes the electric energy stored to be charged electric motor car changing electricity peak phase, improves the utilization rate of power transmission facility, reduce the impact to electrical network.Present configuration is reasonable in design, it is possible to the effective ruuning situation monitoring each system, convenient and swift charges for electric energy vehicle, and low cost of manufacture.
Description
Technical field
The present invention relates to a kind of energy storage and fill station soon, belong to electric energy device technical field.
Background technology
Along with low-carbon economy becomes the theme of China's economic development, electric automobile is as new forms of energy strategy and intelligent grid
Important component part, and one of the emerging strategic industries that determines of State Council, industry development spreads out rapidly in China,
Benefiting from the fast development of new-energy automobile, charging station cause have also been obtained concern, and industry development sails fast traffic lane into.
For Electric Transit because circuit order of classes or grades at school dispatches reason, change the electricity time period and compare concentration, cause the electricity consumption filling station soon
Peak power is higher and Relatively centralized, and the biggest to electrical network impact, operation smooth and easy to Electric Transit cable simultaneously causes certain
Pressure, and this concentration changes power mode and causes the utilization rate of power transmission and distribution facility low.Provided that abundant replacing battery, meeting
The construction cost causing charging quickly is higher.Chinese patent (application number: 201210000481.7) discloses a kind of charging station
System, magnetic suspending flying wheel battery is powered by electricity generation system, after magnetic suspending flying wheel battery energy storage, is converted into stable electricity by transformator
Different types of electric vehicle is charged by pressure, but owing to the rotating speed of flywheel is the highest, the most all uses carbon fiber to make,
The carbon fibre material manufacturing flywheel is expensive, and cost is higher and structure is complicated.And flywheel once charges, will not stop
Rotation is gone down, and when need not electricity consumption, flywheel is rotated further, and wastes energy.For above-mentioned present in currently available technology
Defect, is necessary to research and develop in fact, solves defect present in prior art.
Summary of the invention
For the defect of prior art, it is an object of the invention to provide one and can store electric energy in advance, change electricity peak
The value stage utilizes the electric energy stored to be charged electric motor car, improves the utilization rate of power transmission facility, and reasonable in design, becomes
Station is filled in this low energy storage soon.
For achieving the above object, the technical scheme is that
A kind of energy storage fills station, soon including in order to provide the electric power system of electric energy, in order to the Charging being charged electric automobile
System and control the control system of charging system, described control system connects one in order to store the energy-storage system of electric energy, described confession
Electricity system includes that one in order to be that galvanic AC/DC concentrates current transformer by convert alternating current, described AC/DC concentrates current transformer respectively
Charged in parallel system, energy-storage system, described energy-storage system include keeping current constant DC/DC energy accumulation current converter, in order to
The energy-storage battery group of energy storage electric energy, for managing the battery management system of set of cells.
Further, described charging system includes the power DC charging motor at more than 120kW, and described DC charging motor leads to
Cross cable and connect direct-current charging post.The model of described direct-current charging post is EVQC63-160A700V-P2-G001, described model
Charging pile system is simple, and floor space is little, can be that electric automobile provides direct current energy, use easy and simple to handle, be large, medium and small electricity
The charger that electrical automobile is main.GBT20234.3-2011 charging inlet can be designed standard and press GBT27930-by the present invention
The electric automobile of the vehicle mounted battery management system system of 2011 standard designs is charged operation.Electric automobile energy-storage battery type
Can be lithium-ions battery, nickel-hydrogen accumulator and lead-acid accumulator etc..Described direct-current charging post can be divided into passenger car charging pile, business
Use car charging pile, the vehicle charging that different charging piles is different is set and can improve charge efficiency and make charging pile structure
Simply.
Further, described energy-storage battery group concentrates current transformer to be connected by described DC/DC energy accumulation current converter with AC/DC
Connecing, described AC/DC concentrates the power of current transformer at more than 500KW.AC/DC concentrates current transformer normal mode of operation to be grid-connected rectification
Pattern, is transformed to direct current energy after AC network electric energy rectification, for rear class DC load, DC voltage control target
For stable 750V, DC side output electric current exports automatically according to loading condition.AC/DC concentration current transformer can at AC also
Net, the equipment that realizes in the case of DC side dead electricity starts, by DC side output voltage after startup.AC/DC concentrates current transformer to connect
Remote control, remote regulating that monitored system issues instruct, it is achieved on off control and power definite value are arranged, simultaneously by self remote measurement, remote signalling
Send to monitoring system on the spot etc. data.AC/DC concentrates current transformer to possess perfect defencive function, crosses including AC and flows through
The defencive function such as pressure, DC side overcurrent-overvoltage, excess temperature.AC/DC concentrates current transformer need to have perfect communication function, it is possible to prison
Ore-controlling Role realizes ethernet communication, supports standard 104 stipulations.
Further, the power of DC/DC energy accumulation current converter, can be by the electricity of electric power system by some at more than 250KW
Energy-storage battery group can be stored into or the electric energy of energy-storage battery group is discharged into the DC/DC power cell composition of electric power system, each
DC/DC power unit independent operating, described energy-storage battery group includes the ferric phosphate lithium cell of some 60Ah.DC/DC energy storage unsteady flow
Device is capable of energy in bidirectional flow, can be by the electrical power storage of electric power system to energy-storage battery group, also can be by energy-storage battery group energy
Amount release loads to electric power system for other.It is distant that DC/DC this machine monitoring of energy accumulation current converter can accept that monitoring system issues
Control, remote regulating instruction, it is achieved on off control and power definite value are arranged, coordinate monitoring system to complete the energy pipe of energy storage charging station system
Reason, DC/DC energy accumulation current converter self data such as remote measurement, remote signalling are sent to control system by this machine monitoring simultaneously.DC/DC energy storage
Current transformer internal power module possesses single module or multimode, automatically exits from running after breaking down, and does not affect what complete machine ran
Function.DC/DC energy accumulation current converter possesses same battery management system communication, receives battery management system information, according to delivering
Close/disconnect set of cells signal, judge the functions such as battery state.DC/DC energy accumulation current converter possesses perfect communication function, tool
It is ready for use on the CAN communication interface of same battery management system communication, for the interface of ethernet communication of homologous ray monitoring and DC/
DC energy accumulation current converter arranges man-machine interaction unit.DC/DC energy accumulation current converter arranges perfect the machine defencive function, including input side
DC over-voltage cross the protection such as stream, the over-voltage and over-current of outlet side, excess temperature.
Described energy-storage battery group may utilize retired passenger car electrokinetic cell, and battery types is the LiFePO4 electricity of monomer 60Ah
Pond.Utilize retired passenger car electrokinetic cell, on the one hand it can be avoided that the wasting of resources of retired passenger car electrokinetic cell, on the other hand
Manufacturing cost can be reduced.
Further, control system includes in order to the switch of communication between monitoring system and system equipment, for electricity
Degree metering kilowatt-hour meter, in order to control each system close with start on and off switch, in order to supervising data storage with order under
Send out and the monitoring computer that shows of each system mode.Monitoring computer uses TPC1271 type panel computer to fill station soon as energy storage
Control axis, on the one hand carries out data interaction by switch with each subelement in system, is responsible for the energy of whole system simultaneously
Management, another aspect and operations control center carry out communication.Monitoring computer power supply is that DC24V powers, and selects with DR-60-24 type electricity
Source module provides DC source for it.
The model of described switch is KIEN2000-2M-6T(east soil), use 24VD power module to power, be installed on prison
Inside control power distribution cabinet, it is ensured that system operates in the glitch-free separate space of closing.
Further, described kilowatt-hour meter is two-way exchange kilowatt-hour meter and configures alternating current inlet wire A/B/C threephase current transformer,
Described current transformer is installed on the inlet wire cable of electric power system, and the converted device of its communication interface connects the communication of monitoring computer
Interface.
Further, described switch concentrates current transformer, DC/DC energy accumulation current converter, battery management system with AC/DC respectively
System, DC charging motor carry out data communication, carry out data communication with monitoring computer simultaneously；Described data communication uses ether Netcom
News.
Further, described control system connects a safety-protection system, and described safety-protection system includes smoke alarm, illumination dress
Put and extinguishing device.
Further, described electric power system, charging system, control system, energy-storage system, safety-protection system are except charging system
Beyond direct-current charging post, all covering in casing, casing uses Welding Structure, safely, securely, reliably.The chassis component of casing
Being welded by channel-section steel, intensity is high, uses senior outdoor corrosion resistant coating integral spray, can keep superior under harsh corrosive environment
Long-acting safeguard function, has the strongest decay resistance；Casing can bear and include: rain, snow, hail, wind, salt fog, sand and dust
The ability of the various weather influences such as sudden and violent, the most also has anti lightning, electromagnetic interference and different grades of solar radiation
Ability..Column is formed by cold drawing bending assembling welding, and enabling capabilities is strong, periphery design protective plate and door-plate；Top cover uses bilayer flat
Plate, not only facilitates at casing top mounting related components but also can reduce solar radiation to casing impact.The present invention in the design phase to it
Intensity, rigidity use specialty simulation software to carry out finite element analysis, and the later stage carries out test card, examines the present invention, it is ensured that this
Bright safe and reliable.Tank ends uses hermetically sealed end door, it is ensured that enabling area maximizes, and facilitates installation and the maintenance of equipment.Case
Door employing double-decker, internal polyurethane insulation material of filling effectively reduces the external environment condition impact on casing.
Chamber door and shrouding use flame retardant type composite plate, are stuffed entirely with polyurethane heat insulation material in composite plate, and heat conductivity is low,
Having good sealing, anticorrosion, thermal insulation performance, can effectively reduce the external environment condition impact on casing, built-in system is in terms of the overall situation
Consider heat radiation, use specialty simulation software to carry out systematic analysis, design environment control system, it is ensured that the present invention is under reasonable temperature
Run, extend present invention service life.
Further, described casing arranges two spaces the most airtight, and described space includes in order to placement system equipment
Canyon, in order to lay the battery chamber of energy-storage battery group, described canyon enabling side is arranged has the air intake of air grid
Mouthful, remaining side arranges the heat dissipation wind channel with air grid, and battery chamber's mounting industrial air-conditioning carries out indoor temperature control.According to each system
The feature of system equipment, sorting placement, it is possible to avoid the waste of resource, reduces manufacturing cost.
In order to ensure that this energy-storage system is safe and reliable, prevent because the extrinsic factor such as thunderbolt, surge cause the damage of system device
The situations such as evil idea occur, and the ground connection copper billet in order to prevent thunderbolt is installed in four lower angular regions of described casing.
The lightning protection structure design of casing: welding box body point nand function electric conductor (the most uncharged gold
Belong to shell) reliably turn on, simultaneously, it is provided that 2 reliable ground points (reserved copper bar, sectional area is not less than 100mm), earth point pair
Angle is arranged.Case top connects casing by grounding flat steel or round steel and reserves on grounding copper bar, the effective cross-section of conductor in earthed system
Long-pending not less than 90mm.Internal unit casing unification is connected with casing earth point by grounding copper bar (sectional area is not less than 75mm)
Become to concentrate earthed system, when this concentration earthed system disconnects, between equipment shell system and box system, meet reinforced insulation
Requirement.The non-line region of bottom is laid insulation voltage and is not less than 3kV, and the insulation thickness high-quality not less than 4mm is fire-retardant absolutely
Edge pad.User can be according to whole system situation appropriate design communication lightning-protection distribution, grounding device and lightning protection measures simultaneously.
The grounding-for-lightning device measure of system has multiple method, mainly takes following measures: (1) ground wire be take shelter from the thunder, lightning protection
Key, while carrying out casing capital construction and current transformer container capital construction, thicker soil, tide near selection equipment
Wet place, digs 1～2 meter of deep ground wire hole, uses 40 band steels, add friction reducer and draw ground wire, and lead-out wire uses 10mm2 copper core
Cable, earth resistance should be less than 4 ohm；(2) near case, a discharging rod is built, high 15 meters, and individually make a ground wire, method is same
On, switchgear house need not discharging rod at basement；(3) DC side lightning protection measures: casing should ensure that good ground connection, can be effectively
Avoiding is struck by lightning causes the damage of equipment；(4) casing has good contacting with ground.
Compared with prior art, the method have the advantages that
The present invention arranges energy-storage system, it is possible to store electric energy in advance, utilizes the electric energy stored to electric motor car changing electricity peak phase
It is charged, improves the utilization rate of power transmission facility, reduce the impact to electrical network.
The present invention utilizes retired passenger car electrokinetic cell, on the one hand it can be avoided that the resource of retired passenger car electrokinetic cell is unrestrained
Take, on the other hand can reduce manufacturing cost.
The present invention arranges safe and reliable casing and protects system equipment, it is possible to tackle various natural conditions, significantly
Extend the service life of the present invention.
Present configuration is reasonable in design, it is possible to the effective ruuning situation monitoring each system, convenient and swift for electric energy vehicle
Charging, and low cost of manufacture.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the charging system structural representation of the present invention；
Fig. 3 is the part assembling structural representation of the present invention.
Description of reference numerals:
1-battery chamber, 2-canyon, 3-control system, 4-AC/DC concentrates current transformer, 5-DC charging motor, 6-DC/DC energy storage
Current transformer, 7-energy-storage battery group, 8-industrial air-conditioning, 9-direct-current charging post, 10-casing.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, right
The present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, and
It is not used in the restriction present invention.
On the contrary, the present invention contain any be defined by the claims the replacement done in the spirit and scope of the present invention, repair
Change, equivalent method and scheme.Further, in order to make the public that the present invention to be had a better understanding, thin to the present invention below
During joint describes, detailed describe some specific detail sections.There is no these detail sections for a person skilled in the art
Description can also understand the present invention completely.
As Figure 1-3, a kind of energy storage fills station, soon including the electric power system in order to provide electric energy, in order to electric automobile
The charging system being charged and the control system 3 controlling charging system, described control system 3 connects one in order to store electric energy
Energy-storage system, described electric power system include one in order to by convert alternating current be galvanic AC/DC concentrate current transformer 4, described
AC/DC concentrates current transformer 4 charged in parallel system, energy-storage system respectively, and described energy-storage system includes keeping current constant
DC/DC energy accumulation current converter 6, in order to the energy-storage battery group 7 of energy storage electric energy, for managing the battery management system of set of cells.
Described charging system includes the power DC charging motor 5 at 120 more than kW, and described DC charging motor 5 passes through cable
Connect direct-current charging post 9.The model of described direct-current charging post 9 is EVQC63-160A700V-P2-G001, the charging of described model
Stake system is simple, and floor space is little, can be that electric automobile provides direct current energy, use easy and simple to handle, be large, medium and small electronic vapour
The charger that car owner wants.GBT 20234.3-2011 charging inlet can be designed standard and press GBT 27930-2011 by the present invention
The electric automobile of the vehicle mounted battery management system system of standard design is charged operation.Electric automobile energy-storage battery type can be
Lithium-ions battery, nickel-hydrogen accumulator and lead-acid accumulator etc..
Described energy-storage battery group 7 concentrates current transformer 4 to be connected by described DC/DC energy accumulation current converter 6 with AC/DC, described
AC/DC concentrates the power of current transformer 4 at more than 500KW.AC/DC concentrates current transformer 4 normal mode of operation to be grid-connected rectification mode,
Being transformed to direct current energy after AC network electric energy rectification, for rear class DC load, DC voltage control target is steady
Determining 750V, DC side output electric current exports automatically according to loading condition.AC/DC concentration current transformer 4 can be grid-connected at AC, directly
Realize equipment in the case of the dead electricity of stream side to start, by DC side output voltage after startup.AC/DC concentrates the acceptable prison of current transformer 4
Remote control, remote regulating that Ore-controlling Role issues instruct, it is achieved on off control and power definite value are arranged, simultaneously by number such as self remote measurement, remote signalling etc.
According to sending to monitoring system on the spot.AC/DC concentrates current transformer 4 to possess perfect defencive function, including AC overcurrent-overvoltage, directly
The defencive functions such as stream side overcurrent-overvoltage, excess temperature.AC/DC concentrates current transformer 4 need to have perfect communication function, it is possible to monitoring system
System realizes ethernet communication, supports standard 104 stipulations.
The power of DC/DC energy accumulation current converter 6 at more than 250KW, by some can by the electrical power storage of electric power system to
Energy-storage battery group 7 or the electric energy of energy-storage battery group 7 is discharged into electric power system DC/DC power cell composition, each DC/DC merit
Rate unit independent operating.
DC/DC energy accumulation current converter 6 is capable of energy in bidirectional flow, can be by the electrical power storage of electric power system to energy-storage battery
Group 7, also can load the release of energy-storage battery group 7 energy for other to electric power system.DC/DC this machine monitoring of energy accumulation current converter
Remote control, remote regulating that acceptable monitoring system issues instruct, it is achieved on off control and power definite value are arranged, and coordinate monitoring system to complete
The energy management of energy storage charging station system, DC/DC energy accumulation current converter self data such as remote measurement, remote signalling are sent by this machine monitoring simultaneously
To control system.DC/DC energy accumulation current converter internal power module possesses single module or multimode, automatically exits from fortune after breaking down
OK, the function that complete machine runs is not affected.DC/DC energy accumulation current converter possesses same battery management system communication, receives battery management system
System information, close/disconnect set of cells signal according to delivering, judge the functions such as battery state.DC/DC energy accumulation current converter has
Standby perfect communication function, possesses the CAN communication interface for same battery management system communication, the ether monitored for homologous ray
Interface and the DC/DC energy accumulation current converter of Netcom's news arrange man-machine interaction unit.DC/DC energy accumulation current converter arranges perfect the machine
Defencive function, the DC over-voltage including input side crosses the protections such as stream, the over-voltage and over-current of outlet side, excess temperature.
Described energy-storage battery group 7 may utilize retired passenger car electrokinetic cell, and battery types is the LiFePO4 of monomer 60Ah
Battery.The power of DC/DC energy accumulation current converter 6 is 250kW, can be divided into 5 branch roads, each branch road 50kW.The battery of each branch road
Be made up of 24 casees batteries, connected mode be 8 strings 3 also, whole system altogether 5*3=15 Battery pack, altogether 24*5=120 battery case；Every case
Battery has the ferric phosphate lithium cell of 24 string 60Ah, each branch road totally 3 and 192 string.The voltage bound of ferric phosphate lithium cell is pressed
2.8V～3.6V calculates, and set of cells port voltage is about 537.6V～691.2V, and each branch road electricity is 110.6kWh, 5
Road amounts to 553kWh, and according to 80% calculating of rated capacity, actual storage electricity is 442kWh, it is considered to current transformer and battery efficiency,
Calculating by 0.9, actual discharge electricity is 398 kWh.Energy-storage battery group 7 is to be added two sides set of cells Electric Appliance Cabinet by 6 battery carrier groups
Composition, control system 3 includes in order to the switch of communication between monitoring system and system equipment, electric degree for watt metering
Table, in order to control on and off switch that each system closes and start, to issue and each system in order to supervising data storage and order
The monitoring computer that state shows.Described kilowatt-hour meter is two-way exchange kilowatt-hour meter and configures the three-phase current mutual inductance of alternating current inlet wire A/B/C
Device, described current transformer is installed on the inlet wire cable of electric power system, and the converted device of its communication interface connects monitoring computer
Communication interface.Described control system 3 outside mask sets a monitoring power distribution cabinet, and electric degree is installed in described monitoring power distribution cabinet front panel upper end
Table, middle monitoring computer of installing, lower end installation on and off switch, cable passage is reserved, inside it in the bottom of described monitoring power distribution cabinet
Lay switch.
Monitoring computer uses TPC1271 type panel computer to fill the control axis at station soon as energy storage, on the one hand by exchange
Machine carries out data interaction with each subelement in system, is responsible for the energy management of whole system, another aspect and operational management simultaneously
Center carries out communication.Monitoring computer power supply is that DC24 V powers, and selection DR-60-24 type power module provides unidirectional current for it
Source.
The model of described switch is KIEN2000-2M-6T(east soil), use 24VD power module to power, be installed on prison
Inside control power distribution cabinet, it is ensured that system operates in the glitch-free separate space of closing.
Described switch concentrates current transformer 4, DC/DC energy accumulation current converter 6, battery management system, direct current to fill with AC/DC respectively
Motor 5 carries out data communication, carries out data communication with monitoring computer simultaneously；Described data communication uses ethernet communication.Exchange
The function of machine is that the equipment to system is monitored, and controls equipment startup, shutdown, transceiving data, is responsible for energy management simultaneously
Scheduling.
Battery management system uses three-level network framework, and interior three set of cells configuration each configurations 1 of each battery bunch are total
Lane controller, amounts to 15, and Master Control Unit connects 15 bus control units, and 6 battery carriers of bottom are carried out the comprehensive of data
Process, carry out communication with DC/DC energy accumulation current converter 6, by the fault of battery and can fill, power can be put transmit to control system 3；Always
Control unit uses ethernet communication mode with monitoring on the spot, transmits battery information.
Described control system 3 connects a safety-protection system, and described safety-protection system includes smoke alarm, illuminator and goes out
Fire device.
Described electric power system, charging system, control system, energy-storage system, safety-protection system are except the DC charging of charging system
Beyond stake 9, all cover in casing 10.
Casing 10 uses Welding Structure, safely, securely, reliably.The chassis component of casing 10 is welded by channel-section steel, intensity
Height, uses senior outdoor corrosion resistant coating integral spray, can keep superior long-acting safeguard function, have under harsh corrosive environment
The strongest decay resistance；Casing can bear and include: the various weather influences such as rain, snow, hail, wind, salt fog, sandstorm
Ability, the most also there is anti lightning, electromagnetic interference and the ability of different grades of solar radiation.Column is spelled by cold drawing bending
Weldering forms, and enabling capabilities is strong, periphery design protective plate and door-plate；Top cover uses double-layer plate, had both facilitated and has pacified at casing 10 top
Dress components and parts can reduce again solar radiation to be affected casing 10.Its intensity, rigidity are used specialty imitative in the design phase by the present invention
True software carries out finite element analysis, and the later stage carries out test card, examines the present invention, it is ensured that the present invention is safe and reliable.Casing 10 liang
End uses hermetically sealed end door, it is ensured that enabling area maximizes, and facilitates installation and the maintenance of equipment.Chamber door door uses double-decker,
Internal polyurethane insulation material of filling effectively reduces the external environment condition impact on casing 10.
Chamber door and shrouding use flame retardant type composite plate, are stuffed entirely with polyurethane heat insulation material in composite plate, and heat conductivity is low,
Having good sealing, anticorrosion, thermal insulation performance, can effectively reduce the external environment condition impact on casing 10, built-in system is from overall situation side
Face considers heat radiation, uses specialty simulation software to carry out systematic analysis, design environment control system 3, it is ensured that the present invention is in rationally temperature
Degree is lower to be run, and extends present invention service life.
Described casing 10 arranges two spaces the most airtight, and described space includes the canyon in order to placement system equipment
2, in order to lay the battery chamber 1 of energy-storage battery group 7, described canyon 2 side of opening the door arranges and has the air inlet of air grid, its
Remaining side arranges the heat dissipation wind channel with air grid, and battery chamber 1 mounting industrial air-conditioning 8 carries out indoor temperature control.
Canyon 2 and top, battery chamber 1 configuration illuminating lamp, canyon 2 and battery chamber 1 are respectively provided with emergency light simultaneously
And power supply base, it being installed on upper position in the middle part of canyon 2 and battery chamber 1 partition wall, mains lighting supply is by the illumination of placement system
Device is drawn.Canyon 2 top configuration smoke alarm, this alarm output node is connected to AC/DC and concentrates current transformer 4 master control
Ingress opened by device processed.Top, battery chamber 1 configuration smoke alarm, this alarm output node is connected to battery set management unit, if
Standby room 2 and battery chamber 1 mouth of entering arranges manual fire extinguisher.
In order to ensure that this energy-storage system is safe and reliable, prevent because the extrinsic factor such as thunderbolt, surge cause the damage of system device
The situations such as evil idea occur, and the ground connection copper billet in order to prevent thunderbolt is installed in 10 4 lower angular regions of described casing.The lightning protection structure of casing 10
Design: casing 10 pad nand function electric conductor (the most uncharged metal shell) reliably turns on, meanwhile,
Thering is provided 2 reliable ground points (reserved copper bar, sectional area is not less than 100mm), earth point diagonal angle is arranged.Case top is flat by ground connection
Steel or round steel connect casing 10 and reserve on grounding copper bar, and in earthed system, the net sectional area of conductor is not less than 90mm.Inside sets
Standby host shell unification connects into concentration earthed system by grounding copper bar (sectional area is not less than 75mm) with casing 10 earth point, should
When concentrating earthed system to disconnect, between equipment shell system and casing 10 system, meet the requirement of reinforced insulation.Bottom non-enter
Insulation voltage is laid not less than 3kV, the insulation thickness high-quality fire retardant insulating pad not less than 4mm in outlet region.User can simultaneously
According to whole system situation appropriate design communication lightning-protection distribution, grounding device and lightning protection measures.
The grounding-for-lightning device measure of system has multiple method, mainly takes following measures: (1) ground wire be take shelter from the thunder, lightning protection
Key, while carrying out casing 10 capital construction and current transformer container capital construction, thicker soil near selection equipment,
Moist place, digs 1～2 meter of deep ground wire hole, uses 40 band steels, add friction reducer and draw ground wire, and lead-out wire uses 10mm2 copper
Core cable, earth resistance should be less than 4 ohm；(2) near case, a discharging rod is built, high 15 meters, and individually make a ground wire, method is same
On, switchgear house need not discharging rod at basement；(3) DC side lightning protection measures: casing 10 should ensure that good ground connection, can be effective
Avoid being struck by lightning and cause the damage of equipment；(4) casing has good contacting with ground.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Any amendment, equivalent and the improvement etc. made within god and principle, should be included within the scope of the present invention.
Claims (10)
1. a station is filled in energy storage soon, including in order to provide the electric power system of electric energy, in order to the charging being charged electric automobile
System and the control system of control charging system, it is characterised in that described control system connects one in order to store the storage of electric energy
Can system, described electric power system include one in order to by convert alternating current be galvanic AC/DC concentrate current transformer, described AC/DC
Concentrating current transformer charged in parallel system, energy-storage system respectively, described energy-storage system includes keeping the DC/DC of current constant to store up
Can current transformer, in order to the energy-storage battery group of energy storage electric energy, for managing the battery management system of set of cells.
2. station is filled in a kind of energy storage as claimed in claim 1 soon, it is characterised in that described charging system includes that power is at 120 kW
Above DC charging motor, described DC charging motor connects direct-current charging post by cable.
3. station is filled in a kind of energy storage as claimed in claim 2 soon, it is characterised in that described energy-storage battery group passes through described DC/DC
Energy accumulation current converter concentrates current transformer to be connected with AC/DC, and described AC/DC concentrates the power of current transformer at more than 500KW.
4. station is filled in a kind of energy storage as claimed in claim 3 soon, it is characterised in that the power of DC/DC energy accumulation current converter is at 250KW
Above, the electrical power storage of the electric power system electric energy to energy-storage battery group or by energy-storage battery group can be discharged into confession by some
The DC/DC power cell composition of electricity system, each DC/DC power unit independent operating, described energy-storage battery group includes some
The ferric phosphate lithium cell of 60Ah.
5. station is filled in energy storage as claimed in claim 4 a kind of soon, it is characterised in that control system include in order to monitoring system and
The switch of communication between system equipment, for the kilowatt-hour meter of watt metering, in order to control the electricity that each system is closed and started
Source switch, issue and monitoring computer that each system mode shows with order in order to supervising data storage.
6. station is filled in energy storage as claimed in claim 5 a kind of soon, it is characterised in that described kilowatt-hour meter be two-way exchange kilowatt-hour meter also
Configuration alternating current inlet wire A/B/C threephase current transformer, described current transformer is installed on the inlet wire cable of electric power system, and it leads to
The converted device of communication interface connects the communication interface of monitoring computer.
7. station is filled in a kind of energy storage as claimed in claim 6 soon, it is characterised in that described switch is concentrated with AC/DC respectively and become
Stream device, DC/DC energy accumulation current converter, battery management system, DC charging motor carry out data communication, simultaneously with monitoring computer number
According to communication；Described data communication uses ethernet communication.
8. station is filled in a kind of energy storage as described in claim 1-7 is arbitrary soon, it is characterised in that described control system connects a security protection
System, described safety-protection system includes smoke alarm, illuminator and extinguishing device.
9. station is filled in a kind of energy storage as claimed in claim 8 soon, it is characterised in that described electric power system, charging system, control system
System, energy-storage system, safety-protection system, in addition to the direct-current charging post of charging system, all cover in casing, described casing underframe by
Channel-section steel is welded, and its outer face carries out process of spraying paint, and interior installs flame retardant type composite plate, and described composite board internal is filled out
Filling polyurethane heat insulation material, described top cover of box cover sets two-layer flat board, and its two ends use hermetically sealed end face, the gate of described casing
Use double-decker, internal filling polyurethane insulation material.
10. station is filled in energy storage as claimed in claim 9 a kind of soon, it is characterised in that described casing arrange two the most airtight
Space, described space includes the canyon in order to placement system equipment, in order to lay the battery chamber of energy-storage battery group, described equipment
Enabling side, room arranges the air inlet with air grid, and remaining side arranges the heat dissipation wind channel with air grid, battery chamber
Mounting industrial air-conditioning carries out indoor temperature control, and the ground connection copper billet in order to prevent thunderbolt is installed in four lower angular regions of described casing.
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