CN106026250A - Information interactive system and interactive method for charging pile and power distribution network - Google Patents
Information interactive system and interactive method for charging pile and power distribution network Download PDFInfo
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- CN106026250A CN106026250A CN201610456968.4A CN201610456968A CN106026250A CN 106026250 A CN106026250 A CN 106026250A CN 201610456968 A CN201610456968 A CN 201610456968A CN 106026250 A CN106026250 A CN 106026250A
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- charging pile
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Classifications
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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
- H02J7/007—Regulation of charging or discharging current or voltage
- H02J7/0071—Regulation of charging or discharging current or voltage with a programmable schedule
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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
- B60L53/60—Monitoring or controlling charging stations
- B60L53/63—Monitoring or controlling charging stations in response to network capacity
-
- 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
- H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
- H02J7/00034—Charger exchanging data with an electronic device, i.e. telephone, whose internal battery is under charge
-
- 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
Abstract
The invention provides an information interactive system and interactive method for a charging pile and a power distribution network. The information interaction is implemented by the steps as follows: S1, the load on the outlet side of the power distribution network is divided into a charging pile load and a non-charging-pile load; S2, the output electric quantity of the power distribution network is measured by a gateway meter; S3, a BPLC (broadband power line communication) communication unit of the charging pile and the BPLC unit of the gateway meter are in real-time interaction to collect the output port electric quantity of the power distribution network; the collected data is compared with the affordable maximum load of the power distribution network in real time; and S4, a charging pile main control sends messages to an electric vehicle BMS (battery management system)according to the real-time load; and electric vehicle BMS controls the electric vehicle to decrease/increase electric power or stop the charging process. The interconnection and coordination between the charging pile and the power distribution network can be realized through the gateway meter and the control unit; therefore, the reliable and economic operation of the power distribution network is ensured; and the power distribution network can guarantee the household electricity consumption of users preferentially.
Description
Technical field
The present invention relates to power distribution network load coordination technique field, particularly relate to a kind of charging pile and power distribution network information
Interaction systems and interactive approach thereof, by this system and method can realize charging and the power load of power distribution network,
The information interactions such as charging control.
Background technology
Along with the popularization and application of electric automobile, as the auxiliary device of electric automobile, the Quantity of charging pile
Increasing year by year, charging pile the most progressively becomes the important load of power distribution network, structure and the load to existing power distribution network
Run and play the biggest impact.
Charging pile can be divided into direct-current charging post and alternating-current charging pile, and can be divided into quick charge according to charging duration
Charge at a slow speed two kinds, the operation conditions of charging pile, the properly functioning of power distribution network will be directly affected.If filled
Electricity stake is interactive with power distribution network good, then can play the effect of peak load shifting；If charging pile is coordinated with power distribution network
Not smooth, then cause waste or the overload of power distribution network.
If able to develop a kind of can be by advanced bandwidth carrier communication technology, it is achieved that charging pile with
The real-time Communication for Power of power distribution network, and then load data is calculated, analyzes, draw charging pile should charging
State, it is achieved the interaction systems of the optimal interaction of charging pile and power distribution network and interactive approach, it will great market
Prospect, realizes energy-conserving and environment-protective simultaneously.
Summary of the invention
It is an object of the invention to provide the interactive approach of a kind of charging pile and power distribution network information, this charging pile and joining
In the interactive approach of electric network information, the charging payload of electric automobile is according to the load bearing capacity of power distribution network,
The interaction between charging pile and power distribution network, coordination is realized, it is ensured that join by the effect of Source of Gateway Meter and control unit
Reliable, the economical operation of electrical network, it is achieved power distribution network preferentially ensures the household electricity of user.
It is an object of the invention to be achieved through the following technical solutions, a kind of charging pile is mutual with power distribution network information
Dynamic method comprises the steps:
S1. the load of power distribution network outlet side being divided into two classes, a portion is charging pile load, another part
Load for non-charging pile, namely common user electric loading；
S2. use Source of Gateway Meter that the output electricity of power distribution network is measured, i.e. this Source of Gateway Meter Real-time Collection power distribution network
The output charge condition of delivery outlet side；
S3. (Broadband Power Line Communication, broadband power line leads to the BPLC of charging pile
Letter) communication unit and the BPLC communication unit real-time interactive of Source of Gateway Meter, gather the delivery outlet electricity of power distribution network；
And in real time the maximum electrical load that the data collected and power distribution network can carry is compared；
S4. the output electricity of power distribution network is collected more than it when the BPLC communication unit of charging pile by Source of Gateway Meter
The 50% of the peak load that can carry, during less than peak load threshold value, charging pile main control unit is to electric automobile
Car-mounted terminal send signal, car-mounted terminal receives the electric automobile of backward electric automobile power battery
BMS (Battery Management System, battery management system) transmits, and electric automobile BMS controls electricity
Electrical automobile slows down charging or stops charging；When the BPLC communication unit of charging pile collects distribution by Source of Gateway Meter
When the output electricity of net exceedes its peak load threshold value that can carry, charging pile main control unit is to charging control
Module transmits, and stops as charging electric vehicle；When Real-time Load is less than the 50% of the peak load that can bear
Time, it is charging electric vehicle according to user's request, and is increased charge power by electric automobile BMS.
Another object of the present invention is to provide a kind of charging pile and power distribution network information interaction system, and it includes distribution
Net, Source of Gateway Meter, charging pile unit, car-mounted terminal, electric automobile BMS, described charging pile unit passes through critical point
Table is connected with power distribution network；Wherein, Source of Gateway Meter is for the output load of monitoring power distribution network in real time；Described charging pile
Unit includes power supply, main control unit, charge control module, charging pile BPLC communication unit and man-machine interaction list
Unit；Described charging pile BPLC communication unit, charge control module, man-machine interaction unit all connect with main control unit
Connect；Described power supply is for powering to main control unit, charging pile BPLC communication unit and man-machine interaction unit；Institute
BPLC communication unit it also is provided with, the BPLC communication unit of described Source of Gateway Meter and the BPLC of charging pile in stating Source of Gateway Meter
Communication unit connects, and the output of power distribution network that Source of Gateway Meter is collected by charging pile BPLC communication unit in real time is born
Lotus feeds back to main control unit；Main control unit can control filling of charge control module according to the output load of power distribution network
Electricity break-make；Described charging pile unit is by radio communication and the car-mounted terminal of electric automobile and electric automobile BMS
Set up radio communication to connect；The main control unit of charging pile unit sends the load data obtained to electric automobile
BMS, is controlled the charge power size of electric automobile by electric automobile BMS.
Further preferred technical scheme, is provided with the peak load that power distribution network can bear in described main control unit
(the peak load threshold value in described main control unit is that the maximum according to distribution power system load flow calculation gained is born to threshold value
Load is preset), when load reaches the 50% of this peak load threshold value, during less than this peak load threshold value, by
Main control unit transmits to electric automobile BMS, controls charging electric vehicle power, and electric automobile BMS is according to electricity
The actual charge condition of electrical automobile, reduces charge power or stops charging；When load exceedes this peak load threshold value
Time, charge control module controls charging pile unit and stops charging；When load is less than the 50% of this peak load threshold value
Time, charging pile unit is charged according to user's request, and electric automobile BMS increases charge power.
Owing to have employed technique scheme, interaction systems and the interactive approach of the present invention have the advantage that
1, by Real-time Collection Source of Gateway Meter data, the Distribution Network Equipment including transformator can be monitored, it is ensured that set
Standby will not overload operation, it is ensured that equipment safety；2, by controlling charging pile charging current in real time, will as far as possible
Distribution Network Equipment is placed in a kind of economical operation state, reduces loss, improves energy utilization rate.
Other advantages, target and the feature of the present invention will be explained to a certain extent in the following description
State, and to a certain extent, based on will be aobvious to those skilled in the art to investigating hereafter
And be clear to, or can be instructed from the practice of the present invention.The target of the present invention and other advantages can
To be realized by description below and claims and to obtain.
Accompanying drawing explanation
The accompanying drawing of the present invention is described as follows.
Fig. 1 is that in the embodiment of the present invention, distribution network load constitutes schematic diagram；
Fig. 2 is that the charging pile unit in the embodiment of the present invention constitutes schematic diagram.
Detailed description of the invention
The invention will be further described with embodiment below in conjunction with the accompanying drawings.
As shown in Figure 1 or 2: a kind of charging pile and power distribution network information interaction system, it include power distribution network,
Source of Gateway Meter, charging pile unit, car-mounted terminal, electric automobile BMS, described charging pile unit by Source of Gateway Meter with
Power distribution network connects；Wherein, Source of Gateway Meter is for the output load of monitoring power distribution network in real time；Described charging pile unit
Including power supply, main control unit, charge control module, charging pile BPLC communication unit and man-machine interaction unit；
Described charging pile BPLC communication unit, charge control module, man-machine interaction unit all connect with main control unit；
Described power supply is for powering to main control unit, charging pile BPLC communication unit and man-machine interaction unit；Described
BPLC communication unit it also is provided with in Source of Gateway Meter, the BPLC communication unit of described Source of Gateway Meter and charging pile
BPLC communication unit connects, and the power distribution network that in real time Source of Gateway Meter collected of charging pile BPLC communication unit
Output load feeds back to main control unit；Main control unit controls electric automobile BMS according to the output load of power distribution network
Charge power and the charging break-make of charge control module；Car-mounted terminal and electric automobile BMS belong to electronic
Automobile component, it is set up communication with charging pile unit and passes through communication.
The threshold value of the peak load that distribution can bear it is provided with, when load reaches this threshold value in described main control unit
50%, during less than this threshold value, main control unit transmit to electric automobile BMS, control charging electric vehicle merit
Rate, electric automobile BMS, according to the actual charge condition of electric automobile, reduces charge power or stops charging.When
When load exceedes this threshold value, charge control module controls charging pile unit and stops charging.When load is less than this threshold
Value 50% time, charging pile unit is charged according to user's request, and by electric automobile BMS increase charging merit
Rate.
Charging pile comprises the steps: with the interactive approach of power distribution network information interaction system
S1. the load of power distribution network outlet side being divided into two classes, a portion is charging pile load, another part
Load for non-charging pile, namely common user electric loading；
S2. use Source of Gateway Meter that the output electricity of power distribution network is measured, i.e. this Source of Gateway Meter Real-time Collection power distribution network
The output charge condition of delivery outlet side；
S3. (Broadband Power Line Communication, broadband power line leads to the BPLC of charging pile
Letter) communication unit and the BPLC communication unit real-time interactive of Source of Gateway Meter, gather the delivery outlet electricity of power distribution network；
And in real time the maximum electrical load that the data collected and power distribution network can carry is compared；
S4. the output electricity of power distribution network is collected more than it when the BPLC communication unit of charging pile by Source of Gateway Meter
The 50% of the peak load that can carry, during less than peak load threshold value, charging pile main control unit is to electric automobile
Car-mounted terminal send signal, car-mounted terminal receives the electric automobile of backward electric automobile power battery
BMS (Battery Management System, battery management system) transmits, and electric automobile BMS controls electricity
Electrical automobile slows down charging or stops charging；When the BPLC communication unit of charging pile collects distribution by Source of Gateway Meter
When the output electricity of net exceedes its peak load threshold value that can carry, charging pile main control unit is to charging control
Module transmits, and stops as charging electric vehicle；When Real-time Load is less than the 50% of the peak load that can bear
Time, it is charging electric vehicle according to user's request, and is increased charge power by electric automobile BMS.
Above-mentioned charging pile with the ultimate principle of power distribution network information interaction system is: the support structures in power distribution network is such as
Shown in Fig. 1.One piece of Source of Gateway Meter of outlet side installation at power distribution network carries out metering to the output electricity of power distribution network and examines
Core, load below is broadly divided into two parts, and a part is conventional user load, and this part mainly includes
Ordinarily resident's electricity consumption, commercial power etc.；Another part is charging pile load, is mainly used in various types of
Electric automobile is charged.The charged state of charging pile, includes whether charging and charging current, is subject to
Control (as shown in Figure 2) to charging pile.BPLC (the Broadband Power Line of charging pile
Communication, broadband power line communication) unit is by BPLC communication technology, with the BPLC in Source of Gateway Meter
Communication unit communicates, the load data (size of current, power factor etc.) of Real-time Collection Source of Gateway Meter, with
The peak load that can carry of power distribution network compares, calculates, and calculates in real time the negative of power distribution network and equipment thereof
On the one hand lotus rate and operational efficiency, ensure that Distribution Network Equipment will not overload operation, it is ensured that run safety；Separately
On the one hand, in the case of the charging interval allows, power distribution network is made to be in economical operation state.With a 80kVA
Transformator as a example by, its energy conversion efficiency is 0.8, and bearing power is about 64kW, and maximum load current is
97A/ phase, to calculate its optimum economical operation state be load factor when being 50%, then when optimum economical operation
Load current is 48.5A/ phase.Charging pile unit is less than 97A at the phase current collecting Source of Gateway Meter more than 48.5A
Time, then transmitted to electric automobile BMS by charging pile main control unit, reduce charging electric vehicle power；Greatly
When 97A, then being stopped charging pile by charge control module is charging electric vehicle；When less than 48.5A,
Then charge according to user's request, and increased charge power by electric automobile BMS.
Finally illustrate, above example only in order to technical scheme to be described and unrestricted, although
With reference to preferred embodiment, the present invention is described in detail, it will be understood by those within the art that,
Technical scheme can be modified or equivalent, without deviating from the objective of the technical program
And scope, it all should be contained in the middle of scope of the presently claimed invention.
Claims (4)
1. a charging pile and the interactive approach of power distribution network information, it is characterised in that: it comprises the steps:
S1. the load of power distribution network outlet side being divided into two classes, a portion is charging pile load, another part
Load for non-charging pile, namely common user electric loading；
S2. use Source of Gateway Meter that the output electricity of power distribution network is measured, i.e. this Source of Gateway Meter Real-time Collection power distribution network
The output charge condition of delivery outlet side；
S3. the BPLC communication unit of charging pile and the BPLC communication unit real-time interactive of Source of Gateway Meter, gathers distribution
The delivery outlet electricity of net；And in real time the maximum electrical load that the data collected and power distribution network can carry is entered
Row compares；
S4. the output electricity of power distribution network is collected more than it when the BPLC communication unit of charging pile by Source of Gateway Meter
The 50% of the peak load that can carry, during less than peak load threshold value, charging pile main control unit is to electric automobile
Car-mounted terminal send signal, car-mounted terminal receives the electric automobile BMS of backward electric automobile power battery and sends out
Letter, electric automobile BMS controls electric automobile and slows down charging or stop charging；BPLC communication unit when charging pile
Unit by Source of Gateway Meter collect power distribution network export electricity exceed its peak load threshold value that can carry time, fill
Electricity stake main control unit transmits to charge control module, stops as charging electric vehicle；When Real-time Load is less than institute
The peak load that can bear 50% time, be charging electric vehicle according to user's request, and by electric automobile BMS
Increase charge power.
2. a charging pile and power distribution network information interaction system, it is characterised in that: it includes power distribution network, critical point
Table, charging pile unit, described charging pile unit is connected with power distribution network by Source of Gateway Meter；Wherein, Source of Gateway Meter is used
Output load in monitoring power distribution network in real time；Described charging pile unit includes power supply, main control unit, charging control
Molding block, charging pile BPLC communication unit and man-machine interaction unit；Described charging pile BPLC communication unit,
Charge control module, man-machine interaction unit all connect with main control unit；Described power supply for main control unit,
Charging pile BPLC communication unit and man-machine interaction unit are powered；BPLC communication unit it also is provided with in described Source of Gateway Meter
Unit, the BPLC communication unit of described Source of Gateway Meter connects with the BPLC communication unit of charging pile, and charging pile BPLC
The output load of the power distribution network that Source of Gateway Meter is collected by communication unit in real time feeds back to main control unit；Main control unit
The charging break-make of charge control module can be controlled according to the output load of power distribution network；Described charging pile unit passes through
Radio communication is set up radio communication be connected with car-mounted terminal and the electric automobile BMS of electric automobile；Charging pile list
The main control unit of unit sends the load data obtained to electric automobile BMS, electric automobile BMS control electronic
The charge power size of automobile.
A kind of charging pile the most according to claim 2 and power distribution network information interaction system, it is characterised in that:
The peak load threshold value that power distribution network can bear it is provided with, when load reaches this peak load in described main control unit
The 50% of threshold value, during less than this peak load threshold value, is transmitted to electric automobile BMS by main control unit, controls electricity
Electrical automobile charge power, electric automobile BMS according to the actual charge condition of electric automobile, reduce charge power or
Stop charging；When load exceedes this peak load threshold value, charge control module controls charging pile unit and stops
Charging；When load is less than the 50% of this peak load threshold value, charging pile unit is charged according to user's request,
Electric automobile BMS increases charge power.
A kind of charging pile the most according to claim 3 and power distribution network information interaction system, it is characterised in that:
Peak load threshold value in described main control unit is that the bearable load according to distribution power system load flow calculation gained is pre-
If.
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| CN201610456968.4A CN106026250A (en) | 2016-06-21 | 2016-06-21 | Information interactive system and interactive method for charging pile and power distribution network |
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| CN201610456968.4A CN106026250A (en) | 2016-06-21 | 2016-06-21 | Information interactive system and interactive method for charging pile and power distribution network |
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| CN107681672A (en) * | 2017-11-15 | 2018-02-09 | 清华大学 | The interactive approach of charging pile interactive terminal and charging pile access power network |
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| CN108068640A (en) * | 2016-11-18 | 2018-05-25 | 郑州宇通客车股份有限公司 | A kind of double source trolleybus method for controlling power supply and device |
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| CN109795358A (en) * | 2019-02-28 | 2019-05-24 | 南京理工大学 | A kind of electric car charge power control method of not increase-volume charging |
| CN113060039A (en) * | 2021-05-10 | 2021-07-02 | 成都特来电新能源有限公司 | Two-stage safety control small direct current charging regulation and control method and system |
| CN113060039B (en) * | 2021-05-10 | 2023-03-07 | 成都特来电新能源有限公司 | Two-stage safety control small direct current charging regulation and control method and system |
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Application publication date: 20161012 |