CN107394857A - Alternating-current charging pile and its control circuit based on transformer platform area information on load - Google Patents
Alternating-current charging pile and its control circuit based on transformer platform area information on load Download PDFInfo
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- CN107394857A CN107394857A CN201710772180.9A CN201710772180A CN107394857A CN 107394857 A CN107394857 A CN 107394857A CN 201710772180 A CN201710772180 A CN 201710772180A CN 107394857 A CN107394857 A CN 107394857A
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- 238000004891 communication Methods 0.000 claims abstract description 111
- 230000005611 electricity Effects 0.000 claims description 53
- 238000005192 partition Methods 0.000 claims description 10
- 238000004458 analytical method Methods 0.000 claims description 9
- 239000003381 stabilizer Substances 0.000 claims description 3
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- 238000013461 design Methods 0.000 description 9
- 238000010276 construction Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 7
- 238000007667 floating Methods 0.000 description 7
- 230000008859 change Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
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- 238000013468 resource allocation Methods 0.000 description 3
- 230000003321 amplification Effects 0.000 description 2
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- 238000011161 development Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
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- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
- 238000012163 sequencing technique Methods 0.000 description 2
- 208000033748 Device issues Diseases 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
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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
- H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
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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
- B60L53/30—Constructional details of charging stations
- B60L53/31—Charging columns specially adapted for electric vehicles
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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
- B60L53/63—Monitoring or controlling charging stations in response to network capacity
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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
- B60L53/64—Optimising energy costs, e.g. responding to electricity rates
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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
- B60L53/66—Data transfer between charging stations and vehicles
- B60L53/665—Methods related to measuring, billing or payment
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- H02J7/0021—
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- H02J7/0027—
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- H02J7/027—
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/12—Electric charging stations
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
Abstract
The invention discloses a kind of alternating-current charging pile and its control circuit based on transformer platform area information on load, its control circuit includes control unit, carrier communication module, power subsystem, charging electric vehicle control circuit, electric quantity of batteries of electric vehicle Acquisition Circuit, control unit is connected through carrier communication module with power line, for uploading various information to taiwan area central controller and receiving command signal and the display command that taiwan area central controller issues；Electric quantity of batteries of electric vehicle Acquisition Circuit is used to gather electric quantity of batteries of electric vehicle and passes to control unit；Instruction input unit, display unit and control unit connect；Control unit is used to receive the command signal that taiwan area central controller issues, and output control signal gives charging electric vehicle control circuit, controls the charged state of electric automobile.It is charging electric vehicle using the surplus of each cell taiwan area transformer capacity.
Description
Technical field
The present invention relates to charging electric vehicle field, more particularly to a kind of alternating-current charging pile and its control circuit.
Background technology
As auto industry develops rapidly, China's oil consumption external dependence degree persistently raises, 2013 up to 58.1%,
Oil shortage situation is increasingly sharpened.Development of Electric Vehicles is significant to China, on the one hand can improve electric energy replacement, have
Effect reduces per Unit GDP Energy Consumption, on the other hand can effectively crack environmental constraints, solves the atmosphere polluting problems such as haze.
But the popularization of electric automobile is, it is necessary to which corresponding infrastructure, particularly charging station, the construction energetically of charging pile are
Basis could be realized.
Charging pile divides direct-current charging post, alternating-current charging pile.It is functionally similar to the fuel charger inside gas station, can fix
In ground or wall, public building is installed on（Public building, market, Public Parking etc.）With residential area parking lot or charging
, can be according to the charging electric vehicle that different voltage class is various models in standing.The input and AC network of charging pile
It is directly connected to, output end is equipped with charging plug and is used to be charging electric vehicle.Charging pile generally provides normal charge and quick
Charged two kinds of charging modes, and people can be swiped the card using specific recharged card on the man-machine interactive interface that charging pile provides
Use, carry out corresponding charging modes, the charging interval, cost data printing etc. operation, charging pile display screen can show charge volume,
The data such as expense, charging interval.
It is using the advantages of direct-current charging post：Charging is fast；Deficiency is：Impact to power system is big, and construction cost is high, greatly
Electric current charging quickly can cause the problems such as damage to battery.The country of construction plan according to to(for) electric automobile charging pile：2017
The whole nation will build 900,000 charging piles, and 800,000 personal stakes therein are exchange stake, will be up to 4,800,000 to the year two thousand twenty charging pile quantity
It is individual, wherein about 90% is alternating-current charging pile.
If the AC charging station owner centralization built at present provides the pattern of charging service, there is special supporting transformer
Electric energy is provided for charging pile in AC charging station.And the gradual popularization of electric automobile, the recoverable amount of electric automobile are continuously increased, electricity
The charge requirement of electrical automobile also can be gradually huge.So when building this type AC charging station, only one exchange absolutely not is filled
Several or more than ten of charging pile is established in power station and disclosure satisfy that demand.The AC charging station of one design, tens charging piles
Just more meet the construction plan of science, and the development trend of following this type AC charging station construction scale.And charging pile number
Amount is excessive so that the supporting transformer capacity design in AC charging station is increasing, causes the volume of transformer constantly to carry therewith
Rise, the land area shared by an AC charging station also can be bigger.As electric automobile recoverable amount is constantly soaring, AC charging
Quantity of standing also must constantly follow up, it will the more bigger transformers of installation, take more land resources, among these
Cost overhead is huge.Constantly manufacture and design bigger, the bulky transformer of capacity, take more land resources, this
It is that our institutes are unacceptable.
The content of the invention
The purpose of the present invention is for deficiency corresponding to prior art, there is provided a kind of based on transformer platform area information on load
Alternating-current charging pile and its control circuit, it utilizes the surplus of each cell taiwan area transformer capacity, to be charged for electric automobile
Service so that the present invention can provide charging service on the basis of former transformer capacity is not increased for electric automobile, be not required to another
Purchase high-power transformer so that land resource, which takes, to be reduced, and the cost for purchasing transformer and land resource greatlys save, and reduces
The construction cost spending at AC charging station.
Generally, the scene of all families electricity consumption simultaneously at full capacity, and taiwan area transformer will not occur for residential electricity consumption
Capacity design according to the region residential electricity consumption maximum total amount consider demand factor with being designed after simultaneity factor, that
The capacity of usual taiwan area transformer there is certain surplus.Charging pile can utilize the remaining of each cell taiwan area transformer capacity
Amount, charging service is carried out for electric automobile.
The purpose of the present invention is realized using following proposal：A kind of AC charging based on transformer platform area information on load
The control circuit of stake, including control unit, first communication module, power subsystem, charging electric vehicle control circuit, electric automobile
Battery electric quantity Acquisition Circuit, the power subsystem are used for control unit, communication module, charging electric vehicle control circuit, electricity
Electrical automobile battery electric quantity Acquisition Circuit, instruction input unit, display unit power supply；Described control unit respectively with communication module,
Electric quantity of batteries of electric vehicle Acquisition Circuit, charging electric vehicle control circuit, instruction input unit and display unit electrical connection；Institute
Electric quantity of batteries of electric vehicle Acquisition Circuit is stated to be used to gather electric quantity of batteries of electric vehicle and pass to control unit；The instruction is defeated
Enter unit to be used to gather client requirement information and pass to control unit.The guest operation information has the charging mould of customer selecting
Formula information and actively stop charging instruction information.Described control unit uploads electric quantity of batteries of electric vehicle information through communication module
And client requirement information gives taiwan area central controller, and receive command signal and display life that taiwan area central controller issues
Order；Described control unit is used to receiving taiwan area central controller according to comprehensive analysis when foreground partition transformer capacity surplus and each
The command signal issued after electric quantity of batteries of electric vehicle information and client requirement information that charging pile uploads, output control signal are given
Charging electric vehicle control circuit, controls the charged state of electric automobile, and described control unit is used to receive the control of taiwan area center
The display command that device issues, control display unit show corresponding information, such as can currently carry out charge work charging pile sum and
Volume residual and charging price etc..Whether charging pile is charged, and the taiwan area central controller received by charging pile is assigned
Control command determine.
When electric quantity of batteries of electric vehicle is full of or customer selecting actively stops charging, charging pile controls its charging connector
Power-off, and the charging instruction information that actively stops of guest operation is uploaded to taiwan area central controller.
Communication module can use wire communication module or wireless communication module, it is preferable that the communication module is using electricity
Line of force carrier communication chip.
The communication module includes model LM1893 electric line carrier communication chip U1 and transformer T1, the transformation
Device T1 primary coil is connected through the first electric capacity C1 with power line, one end of transformer T1 secondary coil respectively with the second electric capacity
C2 one end, the 3rd electric capacity C3 one end and voltage VCC connections, the other end ground connection of the 3rd electric capacity C3, the second electric capacity
The C2 other end is connected with the other end and first resistor R1 of transformer T1 secondary coil respectively, and first resistor R1's is another
The 10th pin of the negative pole with voltage-stabiliser tube VD, the first triode Q1 colelctor electrode and electric line carrier communication chip U1 respectively is held to connect
Connect, the first triode Q1 emitter stage one end with second resistance R2,3rd resistor R3 one end and power line carrier respectively
Communication chip U1 the 8th pin connection, 3rd resistor R3 other end ground connection, the second resistance R2 other end and the first triode Q1
Base stage and electric line carrier communication chip U1 the connection of the 9th pin, electric line carrier communication chip U1 the 1st pin is through the 4th electricity
Hold C4 to be connected with electric line carrier communication chip U1 the 2nd pin, electric line carrier communication chip U1 the 3rd pin be concatenated the
Six electric capacity C6 and the 8th resistance R8 are connected with electric line carrier communication chip U1 the 4th pin, electric line carrier communication chip U1's
5th pin is grounded, and electric line carrier communication chip U1 the 6th pin is grounded through the 7th electric capacity C7, electric line carrier communication chip U1's
7th pin is grounded through the 4th resistance R4, electric line carrier communication chip U1 the 11st pin one end with the 6th resistance R6, second respectively
Triode Q2 base stage connection, the 6th resistance R6 other end are connected with voltage VCC, the second triode Q2 colelctor electrode and voltage
VCC connections, the second triode Q2 emitter stage are connected through the 7th resistance R7 with electric line carrier communication chip U1 the 12nd pin, institute
State the 12nd of electric line carrier communication chip U1 the, 17 pin to be connected with control unit respectively, the of electric line carrier communication chip U1
13 pin are grounded through the 8th resistance R8, electric line carrier communication chip U1 the 14th pin ground connection, electric line carrier communication chip U1's
15th pin is connected with voltage VCC, and electric line carrier communication chip U1 the 16th pin is grounded through the 5th electric capacity C5, and power line carrier is led to
The 5th resistance R5 and potentiometer RP ground connection that news chip U1 the 18th pin is concatenated.
The communication module includes carrier chip, carrier wave termination power, and the carrier chip electrically connects with control unit, institute
Carrier wave termination power is stated to electrically connect with power line, between the carrier wave termination power and carrier chip be provided with signal sending circuit and
Signal receiving circuit, the input of the signal sending circuit are connected with carrier chip, the output end of the signal sending circuit
It is connected with carrier wave termination power, the input of the signal receiving circuit is connected with carrier wave termination power, and the signal receives electricity
The output end on road is connected with carrier chip.
The signal sending circuit includes signal power amplifying circuit and output power controlling circuit, and the signal power is put
Big circuit includes being imitated by the 4th electric capacity C4 and the first inductance L1 frequency selection circuit formed and the first FET Q1 and second
Should pipe Q2, the input of the frequency selection circuit is connected with carrier wave termination power, and the output end of the frequency selection circuit is through 3rd resistor
R3 is connected with the first FET Q1 drain electrode, and the first FET Q1 source electrode is connected with reference ground VSS, the frequency selection circuit
Output end be connected through second resistance R2 with the second FET Q2 drain electrode, the second FET Q2 source electrode and the 4th resistance
R4 one end, the first diode D1 negative pole and output power controlling circuit connection, the 4th resistance R4 other end, the one or two
Pole pipe D1 positive pole is connected with the second FET Q2 grid and the 5th electric capacity C5 one end, the 5th electric capacity C5 other end
The grid with the first FET Q1, the 5th resistance R5 one end are connected respectively, the 5th resistance the R5 other end and carrier chip
Connection, the output power controlling circuit include triode Q3, and the emitter stage of the triode Q3 is connected with supply voltage, three poles
Pipe Q3 the colelctor electrode positive pole with the 7th electric capacity C7, the 6th electric capacity C6 one end, the 6th resistance R6 one end and signal respectively
Power amplification circuit connects, the 7th electric capacity C7 negative pole, the 6th electric capacity C6 other end, the 6th resistance R6 other end and reference
Ground VSS connections, one end with the 7th resistance R7, the 8th resistance R8 one end are connected triode Q3 base stage respectively, the 8th resistance
The R8 other end is connected with supply voltage, and the 7th resistance R7 other end is connected with reference ground VSS.
The signal receiving circuit includes signal filter circuit and demodulator circuit, and the signal filter circuit is included by second
The band logical passive filter and the 9th resistance that inductance L2 and the 8th electric capacity C8 and the 3rd inductance L3 and the 9th electric capacity C9 is formed
R9, the second diode D2, the 3rd diode D3, the 9th resistance R9 one end are connected with carrier wave termination power, the 9th resistance R9's
The other end is connected with the second inductance L2 one end, and the other end of the second inductance L2 is connected with the 8th electric capacity C8 one end, the
The eight electric capacity C8 other end one end with the 3rd inductance L3, the 9th electric capacity C9 one end, the second diode D2 positive pole, respectively
Three diode D3 negative pole and demodulator circuit connection, the 3rd inductance L3 other end, the 9th electric capacity C9 other end, the two or two
The plus earth of pole pipe D2 negative pole, the 3rd diode D3, the demodulator circuit include model AFE3361 low-power consumption arrowband
AFE(analog front end), the 16th pin of model AFE3361 low-power consumption narrow-band analog front end is through the 16th electric capacity C16 and signal filtered electrical
Road is connected, and the 1st pin of model AFE3361 low-power consumption narrow-band analog front end is connected with the 17th electric capacity C17 one end, and the tenth
One end with the 4th inductance L4, one end of the 18th electric capacity, one end of the 15th resistance connect the seven electric capacity C17 other end respectively
Connect, the 4th inductance L4 other end, the other end ground connection of the 18th electric capacity, the other end and the carrier chip of the 15th resistance connect
Connect.
The instruction input unit, display unit use touch-screen.
Power subsystem includes the first power-switching circuit, second source change-over circuit, the 3rd power-switching circuit, the first electricity
Power-switching circuit is used to 220V AC powers being converted into 24V dc sources, and the second source change-over circuit is used for 24V is straight
Power convert is flowed into 5V dc sources, and the 3rd power-switching circuit is used to 5V dc sources being converted into 3.3V dc sources.
The charging electric vehicle control circuit includes contactor and relay, and the charging connector is through contactor with exchanging
Electrical connection, one end of the contact of contactor are connected with charging connector, and the other end of the contact of contactor is connected with power line, described
The energization or power-off of the coil of contactor are controlled by Control, relay by control unit.Control unit is single-chip microcomputer.
Single-chip microcomputer drives relay by ULN2803LW.
The electric quantity of batteries of electric vehicle Acquisition Circuit can use the electric quantity collector that existing charging pile carries.It is described
The input of electric quantity collector electrically connects with charging connector, for gathering electric quantity of batteries of electric vehicle information, electric quantity acquisition dress
The output end put is connected with R485 telecommunication circuits, is communicated by R485 telecommunication circuits with control unit, by the collection of collection
Electric quantity of batteries of electric vehicle information transmission is to control unit.
A kind of alternating-current charging pile based on transformer platform area information on load, including charging pile body, the charging pile body
Provided with the charging connector for being electrically connected with electric automobile, the charging pile body is provided with above-mentioned control circuit, the charging
Head is through charging electric vehicle control circuit with exchanging electrical connection.
Taiwan area central controller includes control unit and power subsystem, and the power subsystem is used to supply to whole controller
Electricity, described control unit issue command signal and display command to charging pile through second communication module and receive charging pile upload
Electric quantity of batteries of electric vehicle information and guest operation information, described control unit passes through third communication module and power information
485 mouthfuls of connections of acquisition system or taiwan area electric energy meter, for gathering the real-time power information of taiwan area, described control unit is used for
The real-time power information of taiwan area of collection is analyzed, draws current region taiwan area transformer capacity surplus, described control unit
For the charging pile quantity for calculating current permission according to foreground partition transformer capacity surplus is worked as and carrying out charging work simultaneously, the control
Unit processed is used to receive electric quantity of batteries of electric vehicle information and guest operation information to be charged that each charging pile uploads, with calculating
The charge charging pile quantity of work of the current permission that goes out while carry out carries out comprehensive analysis, without departing from more than taiwan area transformer capacity
On the premise of amount, send corresponding command signal according to the law of electric charges of setting and be connected to charging pile, control with its charging connector
Electric automobile energization or power-off, described control unit is used to send related display command to charging pile, and control charging pile shows
Show corresponding information, such as can currently carry out the charging pile sum and volume residual and charging price of charging work.Without departing from
The premise of taiwan area transformer capacity surplus refers to that taiwan area central controller can only at most send N number of charging instruction, and N permits to be current
Perhaps the charging pile quantity of charging work is carried out simultaneously, i.e. taiwan area central controller can only control be up to N number of electric automobile simultaneously
Which charging, as being specifically to select electric automobile to be charged, then stop filling according to the charge mode of customer selecting, actively
Electricity instruction coordinates the law of electric charges of setting to determine.Preferably, the control unit of taiwan area central controller is single-chip microcomputer.Second communication
Module can use wire communication module or wireless communication module, it is preferable that and the second communication module is carrier communication module,
The carrier communication module is connected with power line.The third communication module can use 485 communication modules, naturally it is also possible to adopt
With carrier communication module etc..The information of power information acquisition system collection can be uploaded to by 485 communications or carrier communication
Taiwan area central controller.
The taiwan area central controller is additionally provided with instruction input unit and display unit, can be for setting various patterns to charge
Cost price etc..The instruction input unit, display unit electrically connect with the control unit of taiwan area central controller.It is preferred that
Ground, the instruction input unit, display unit use touch-screen.
The law of electric charges set in taiwan area central controller as：Allow customer selecting urgency mold filling formula and intelligent mold filling formula, if
The charging electricity price of fixed anxious mold filling formula is higher than the charging electricity price of intelligent mold filling formula, and taiwan area central controller is to the anxious mold filling formula of request
After electric automobile distributes electric power resource, just by dump power resource allocation to the electric automobile for asking intelligent mold filling formula；It is if objective
Family selection is anxious mold filling formula, then on the premise of without departing from taiwan area transformer capacity surplus, it is allowed to sufficient amount of charging pile
To ask the electric automobile trickle charge of anxious mold filling formula, until the electric quantity of batteries of electric vehicle for asking anxious mold filling formula is full of or visitor
Householder is dynamic to stop charging；If customer selecting is intelligent mold filling formula, on the premise of without departing from taiwan area transformer capacity surplus, permit
Perhaps sufficient amount of charging pile is the electronic of the intelligent mold filling formula of request by the order of electrical automobile battery electric quantity to be charged from low to high
Automobile discontinuously charges, until electric quantity of batteries of electric vehicle be full of or client actively stop charging.
Taiwan area central controller gathers the battery level information of all electrical automobiles to be charged, the control of taiwan area center by charging pile
Device processed is from the battery level information of the electric automobile of the intelligent mold filling formula of request of acquisition, by battery electric quantity from low to high suitable
Sequence, choose the current electric automobile for allowing the slow quantity filled and charged, when encountering a certain some electricity of battery electric quantity position correspondence
Electrical automobile, if the electric automobile quantity that current residual allows to be charged is more than or equal to the electronic of the battery electric quantity position correspondence
The quantity of automobile, the then whole electric automobiles for choosing the battery electric quantity position correspondence are charged, if current residual allows to carry out
The electric automobile quantity of charging is less than the quantity of the electric automobile of the battery electric quantity position correspondence, then from the battery electric quantity position pair
The electric automobile that requirement is randomly selected in the electric automobile answered is charged.
When charging pile receives the charging instruction that taiwan area central controller issues, its charging connector is powered, and starts to count
Valency, when charging pile receives the stopping charging instruction that taiwan area central controller issues, the power-off of its charging connector, and stop counting
Valency, the charging pile receive expense for uploading disbursement and sattlement signal to taiwan area central controller, the taiwan area central controller
With clearing signal after carry out disbursement and sattlement processing.
Charging pile charging price uses floating price, designs two grades of charging prices, respectively anxious mold filling again on this basis
Formula charging price and intelligent mold filling formula charging price, anxious mold filling formula charging price is higher than intelligent mold filling formula charging price.
Supply network corresponds to spike Pinggu phase, and it is low that the electricity rates of different periods also have height to have.So in design charging pile
During the price that charges, also referring to being designed based on the electricity price of power supply network peak Pinggu phase, charging pile urgency mold filling formula and intelligence are filled
The charging price of pattern is also not stop change.Its object is to utilize price factor peak load shifting, power network burden is reduced, is protected
It is steady to hold power supply.Anxious mold filling formula charging price increases on the basis of floating price, and corresponding intelligent mold filling formula charging price will height.This
It is to meet customer demand that especially needs are charged to electric automobile, but simultaneously as preferential occupy charging power money
Source, so price can have been lifted.This is also to meet outside client's urgent need demand, encourages people to use intelligent mold filling formula, puts down as far as possible
Distribute charging power resource.
Intelligent mold filling formula charging price increases on the basis of floating price, low to emergent mold filling formula charging price.Intelligence
Mold filling formula can be more average distribution charging power resource, it is electronic also because do not possess priority in charging power resource
The reason for automobile charging interval relatively anxious mold filling formula is long, so charging price is lower than anxious mold filling formula charging price.It is simultaneously and logical
Price factor is crossed, encourages the not anxious client for filling demand to be charged as far as possible using intelligent mold filling formula.
Present invention has the advantage that：Due to the control circuit of this alternating-current charging pile, including control unit, communication module,
Power subsystem, charging electric vehicle control circuit, electric quantity of batteries of electric vehicle Acquisition Circuit, the electric quantity of batteries of electric vehicle are adopted
Collector is used to gather electric quantity of batteries of electric vehicle and passes to control unit；The instruction input unit needs for gathering client
Seek information and pass to control unit.The guest operation information has the charge mode information of customer selecting and actively stops filling
Electric command information.Described control unit uploads electric quantity of batteries of electric vehicle information and client requirement information to platform through communication module
Area's central controller, and receive command signal and display command that taiwan area central controller issues；Described control unit is used to connect
Taiwan area central controller is received according to comprehensive analysis when foreground partition transformer capacity surplus and the electric automobile of each charging pile upload
The command signal issued after battery level information and client requirement information, output control signal control electricity to charging electric vehicle
Road, controls the charged state of electric automobile, and described control unit is used to receive the display command that taiwan area central controller issues, controlled
Display unit processed shows corresponding information.Taiwan area in taiwan area central controller collection power information acquisition system uses telecommunications in real time
Breath, and the real-time power information of taiwan area of collection is analyzed, draw current region taiwan area transformer capacity surplus, the taiwan area
Central controller is used for the charging pile for currently allowing to carry out charging work simultaneously according to the calculating of foreground partition transformer capacity surplus is worked as
Quantity, the taiwan area central controller receive the electric quantity of batteries of electric vehicle information and customer selecting to be charged that each charging pile uploads
Charge mode information, with the current permission being calculated and meanwhile carry out charge work charging pile quantity carry out comprehensive analysis,
On the premise of without departing from taiwan area transformer capacity surplus, corresponding command signal is sent to charging according to the law of electric charges of setting
Stake, the charging pile are used to receive the command signal that taiwan area central controller issues, and control the energization or power-off of its charging connector,
Control the energization or power-off for the electric automobile being connected with its charging connector.The present invention is realized without departing from taiwan area transformer capacity
On the premise of surplus, using taiwan area transformer capacity surplus to charging electric vehicle so that the present invention can cancel AC charging
To stand special-purpose assorted transformer so that land resource, which takes, to be reduced, and the cost for purchasing transformer and land resource greatlys save,
Reduce the construction cost spending at AC charging station.
And the present invention also has anxious mold filling formula and intelligent two kinds of charge mode functions of mold filling formula, two kinds of functions correspond to two respectively
Kind charging price, respectively anxious mold filling formula charging price and intelligent mold filling formula charging price.Anxious mold filling formula charging price is than intelligence
Mold filling formula charging price will height, this be in order to meet customer demand that especially needs are charged to electric automobile, but simultaneously because
Preferentially to occupy charging power resource, so price can have been lifted.This is also to meet outside client's urgent need demand, encourages people
Using intelligent mold filling formula, mean allocation charging power resource as far as possible.Taiwan area central controller is in the charging pile point to anxious mold filling formula
After complete electric power resource, dump power resource allocation is just given to the charging pile of intelligent mold filling formula.Intelligent mold filling formula can more be put down
Equal distribution charging power resource, also because not possessing priority in charging power resource, the charging electric vehicle time is relative
The reason for anxious mold filling formula is long, so charging price is lower than anxious mold filling formula charging price.Simultaneously and pass through price factor, encourage not having
There is the anxious client for filling demand to be charged as far as possible using intelligent mold filling formula.
Again because supply network corresponds to spike Pinggu phase, it is low that the electricity rates of different periods also have height to have.So present invention
When designing charging pile charging price, also referring to being designed based on the electricity price of power supply network spike Pinggu phase, charging pile suddenly fills
The charging price of pattern and intelligent mold filling formula is also not stop change.Its object is to utilize price factor peak load shifting, subtract
Few power network burden, keeps power supply steady.
The present invention is by analyzing the network load state and batteries of electric automobile status information that taiwan area power information obtains
Collection, comprehensive analysis is carried out with reference to user's modes selecting demand, to control the charged state of batteries of electric automobile.In electricity consumption
During low ebb, electric automobile is encouraged to be lined up progressively access charging successively according to battery electric quantity；And in peak of power consumption, except non-user will
Seek quickness fast charging complete, it is proposed that without charging, do not increase burden for power network as far as possible.It is achieved thereby that taiwan area transformer not increase-volume
In the case of, the charging load of certain capacity can be also provided for electric automobile, solve in the popularization and application of electric automobile and compel the most
Cut the two big subject matters with being badly in need of solving：
1st, electric car charging inconvenience, resident have charging pile by oneself and build difficulty；
2nd, the peak-valley difference that the unordered access of charging electric vehicle load aggravates power network jeopardizes power grid security.
Brief description of the drawings
Fig. 1 is the theory diagram of the charging pile of the present invention；
Fig. 2 is the circuit diagram of the single chip part of the control circuit of the charging pile of the present invention；
Fig. 3 is the first embodiment of the circuit diagram of the communication module part of the charging pile of the present invention；
Fig. 4 is the second embodiment of the circuit diagram of the communication module part of the charging pile of the present invention；
Fig. 5 is the circuit diagram of the power unit of the taiwan area central controller of the present invention；
Fig. 6 is the circuit diagram of the display portion of the taiwan area central controller of the present invention；
Fig. 7 is the main line figure of the charging electric vehicle control circuit of the charging pile of the present invention；
Fig. 8 is a control circuit figure of the charging electric vehicle control circuit of the charging pile of the present invention；
Fig. 9 is the linear quadratic control line map of the charging electric vehicle control circuit of the charging pile of the present invention；
Figure 10 is the theory diagram of the taiwan area central controller of the present invention；
Figure 11 is the overall framework figure of the charging control system of electric automobile of the present invention；
Figure 12 is the flow chart of the charging electric vehicle control method of the present invention.
Embodiment
Referring to Fig. 1 to Figure 12, the invention discloses a kind of control of the alternating-current charging pile based on transformer platform area information on load
Circuit processed, including control unit, communication module, power subsystem, charging electric vehicle control circuit, electric quantity of batteries of electric vehicle are adopted
Collector, power subsystem are used for control unit, communication module, charging electric vehicle control circuit, electric quantity of batteries of electric vehicle
Acquisition Circuit, instruction input unit, display unit power supply；Described control unit is electric with communication module, batteries of electric automobile respectively
Measure Acquisition Circuit, charging electric vehicle control circuit, instruction input unit and display unit electrical connection；The batteries of electric automobile
Electric quantity acquisition circuit is used to gather electric quantity of batteries of electric vehicle and passes to control unit；The instruction input unit is used to gather
Client requirement information simultaneously passes to control unit.The guest operation information has charge mode information and the active of customer selecting
Stop charging instruction information.Described control unit uploads electric quantity of batteries of electric vehicle information through communication module and customer demand is believed
Cease and give taiwan area central controller, and receive command signal and the display command that taiwan area central controller issues；Described control unit
For receiving taiwan area central controller according to comprehensive analysis when foreground partition transformer capacity surplus and the electricity of each charging pile upload
The command signal issued after electrical automobile battery level information and client requirement information, output control signal give charging electric vehicle control
Circuit processed, the energization or power-off of charging connector are controlled, control the energization or power-off of the electric automobile being connected with its charging connector, from
And control the charged state of electric automobile.Described control unit is used to receive the display command that taiwan area central controller issues, and controls
Display unit processed shows corresponding information.
When electric quantity of batteries of electric vehicle is full of or customer selecting actively stops charging, charging pile controls its charging connector
Power-off, and the charging instruction information that actively stops of guest operation is uploaded to taiwan area central controller.
Power subsystem includes the first power-switching circuit, second source change-over circuit, the 3rd power-switching circuit, the first electricity
Power-switching circuit is used to 220V AC powers being converted into 24V dc sources, and the second source change-over circuit is used for 24V is straight
Power convert is flowed into 5V dc sources, and the 3rd power-switching circuit is used to 5V dc sources being converted into 3.3V dc sources.It is logical
Letter module can use wire communication module or wireless communication module.
Preferably, the communication module uses electric line carrier communication chip.The communication module includes model
LM1893 electric line carrier communication chip U1 and transformer T1, the transformer T1 primary coil are through the first electric capacity C1 and electricity
The line of force connects, one end of transformer T1 secondary coil respectively one end with the second electric capacity C2, the 3rd electric capacity C3 one end and
Voltage VCC connections, the other end ground connection of the 3rd electric capacity C3, the second electric capacity C2 other end secondary with transformer T1 respectively
The other end of coil and first resistor R1 connections, the first resistor R1 other end negative pole with voltage-stabiliser tube VD, the one or three respectively
Pole pipe Q1 colelctor electrode and the connection of electric line carrier communication chip U1 the 10th pin, the first triode Q1 emitter stage respectively with
The 8th pin connection of second resistance R2 one end, 3rd resistor R3 one end and electric line carrier communication chip U1,3rd resistor
R3 other end ground connection, the second resistance R2 other end and the first triode Q1 base stage and electric line carrier communication chip U1
The connection of the 9th pin, electric line carrier communication chip U1 the 1st pin is through the 4th electric capacity C4's and electric line carrier communication chip U1
2nd pin connects, and the 6th electric capacity C6 and the 8th resistance R8 that electric line carrier communication chip U1 the 3rd pin is concatenated carry with power line
Ripple communication chip U1 the 4th pin connection, electric line carrier communication chip U1 the 5th pin ground connection, electric line carrier communication chip U1
The 6th pin be grounded through the 7th electric capacity C7, electric line carrier communication chip U1 the 7th pin is grounded through the 4th resistance R4, power line carry
One end with the 6th resistance R6, the second triode Q2 base stage are connected ripple communication chip U1 the 11st pin respectively, the 6th resistance R6
The other end be connected with voltage VCC, the second triode Q2 colelctor electrode is connected with voltage VCC, the second triode Q2 emitter stage
It is connected through the 7th resistance R7 with electric line carrier communication chip U1 the 12nd pin, the of the electric line carrier communication chip U1
12nd, 17 pin are connected with control unit respectively, and electric line carrier communication chip U1 the 13rd pin is grounded through the 8th resistance R8, power line
Carrier communication chip U1 the 14th pin ground connection, electric line carrier communication chip U1 the 15th pin are connected with voltage VCC, and power line carries
Ripple communication chip U1 the 16th pin is grounded through the 5th electric capacity C5, electric line carrier communication chip U1 the 18th pin be concatenated the 5th
Resistance R5 and potentiometer RP ground connection.
Certainly, the structure of the communication module can also use following structure：The communication module includes carrier chip, carried
Ripple termination power, the carrier chip electrically connect with control unit, and the carrier wave termination power electrically connects with power line, the load
Signal sending circuit and signal receiving circuit, the input of the signal sending circuit are provided between ripple termination power and carrier chip
End is connected with carrier chip, and the output end of the signal sending circuit is connected with carrier wave termination power, the signal receiving circuit
Input be connected with carrier wave termination power, the output end of the signal receiving circuit is connected with carrier chip.
The signal sending circuit includes signal power amplifying circuit and output power controlling circuit, and the signal power is put
Big circuit includes being imitated by the 4th electric capacity C4 and the first inductance L1 frequency selection circuit formed and the first FET Q1 and second
Should pipe Q2, the input of the frequency selection circuit is connected with carrier wave termination power, and the output end of the frequency selection circuit is through 3rd resistor
R3 is connected with the first FET Q1 drain electrode, and the first FET Q1 source electrode is connected with reference ground VSS, the frequency selection circuit
Output end be connected through second resistance R2 with the second FET Q2 drain electrode, the second FET Q2 source electrode and the 4th resistance
R4 one end, the first diode D1 negative pole and output power controlling circuit connection, the 4th resistance R4 other end, the one or two
Pole pipe D1 positive pole is connected with the second FET Q2 grid and the 5th electric capacity C5 one end, the 5th electric capacity C5 other end
The grid with the first FET Q1, the 5th resistance R5 one end are connected respectively, the 5th resistance the R5 other end and carrier chip
Connection, the output power controlling circuit include triode Q3, and the emitter stage of the triode Q3 is connected with supply voltage, three poles
Pipe Q3 the colelctor electrode positive pole with the 7th electric capacity C7, the 6th electric capacity C6 one end, the 6th resistance R6 one end and signal respectively
Power amplification circuit connects, the 7th electric capacity C7 negative pole, the 6th electric capacity C6 other end, the 6th resistance R6 other end and reference
Ground VSS connections, one end with the 7th resistance R7, the 8th resistance R8 one end are connected triode Q3 base stage respectively, the 8th resistance
The R8 other end is connected with supply voltage, and the 7th resistance R7 other end is connected with reference ground VSS.
The signal receiving circuit includes signal filter circuit and demodulator circuit, and the signal filter circuit is included by second
The band logical passive filter and the 9th resistance that inductance L2 and the 8th electric capacity C8 and the 3rd inductance L3 and the 9th electric capacity C9 is formed
R9, the second diode D2, the 3rd diode D3, the 9th resistance R9 one end are connected with carrier wave termination power, the 9th resistance R9's
The other end is connected with the second inductance L2 one end, and the other end of the second inductance L2 is connected with the 8th electric capacity C8 one end, the
The eight electric capacity C8 other end one end with the 3rd inductance L3, the 9th electric capacity C9 one end, the second diode D2 positive pole, respectively
Three diode D3 negative pole and demodulator circuit connection, the 3rd inductance L3 other end, the 9th electric capacity C9 other end, the two or two
The plus earth of pole pipe D2 negative pole, the 3rd diode D3, the demodulator circuit include model AFE3361 low-power consumption arrowband
AFE(analog front end), the 16th pin of model AFE3361 low-power consumption narrow-band analog front end is through the 16th electric capacity C16 and signal filtered electrical
Road is connected, and the 1st pin of model AFE3361 low-power consumption narrow-band analog front end is connected with the 17th electric capacity C17 one end, and the tenth
One end with the 4th inductance L4, one end of the 18th electric capacity, one end of the 15th resistance connect the seven electric capacity C17 other end respectively
Connect, the 4th inductance L4 other end, the other end ground connection of the 18th electric capacity, the other end and the carrier chip of the 15th resistance connect
Connect.
The instruction input unit, display unit use touch-screen.
The charging electric vehicle control circuit includes contactor and relay, and the charging connector is through contactor with exchanging
Electrical connection, one end of the contact of contactor are connected with charging connector, and the other end of the contact of contactor is connected with power line, described
The energization or power-off of the coil of contactor are controlled by Control, relay by control unit.Control unit is single-chip microcomputer.
Single-chip microcomputer drives relay by ULN2803LW.
The electric quantity of batteries of electric vehicle Acquisition Circuit can use the electric quantity collector that existing charging pile carries.
The invention discloses a kind of alternating-current charging pile based on transformer platform area information on load, including charging pile body, institute
State charging pile body and be provided with the charging connector for being used for electrically connecting with electric automobile, the charging pile body is provided with control circuit, institute
Charging connector is stated through charging electric vehicle control circuit with exchanging electrical connection.Each charging pile can set a charging connector or
Multiple charging connectors.Each charging pile of the present embodiment sets two charging connectors.The charging pile is additionally provided with charging instruction electricity
Whether road, the charging indication are powered to each charging connector using Light-Emitting Diode and indicated.Certainly, charging of the invention
Stake can also have the function of supplying bankcard consumption and can also provide the functions such as printing strip, and in a word, charging pile of the invention removes
Various functions outside function with the present invention also with existing charging pile.
The taiwan area central controller is provided with control unit and power subsystem, and the power subsystem is used for whole controller
Power supply, described control unit are connected through carrier communication module with power line, for issuing command signal and display command to charging
Stake and the various information for receiving charging pile upload, described control unit pass through carrier communication module or 485 telecommunication circuits with using
485 mouthfuls of connections of power utilization information collection system or taiwan area electric energy meter, for gathering the reality of the taiwan area in power information acquisition system
When power information, described control unit is used to analyze the real-time power information of taiwan area of collection, draws current region taiwan area
Transformer capacity surplus, described control unit are used to currently allow to carry out simultaneously according to when foreground partition transformer capacity surplus calculates
The charging pile quantity of charging work, described control unit are used to receive the electric quantity of batteries of electric vehicle to be charged that each charging pile uploads
The charge mode information of information and customer selecting, with the current permission being calculated and meanwhile carry out charge work charging pile quantity
Comprehensive analysis is carried out, on the premise of without departing from taiwan area transformer capacity surplus, is sent accordingly according to the law of electric charges of setting
Command signal controls the energization or power-off of the electric automobile being connected with its charging connector, described control unit is used for charging pile
Send related display command and show corresponding information to charging pile, control charging pile, such as can currently carry out the charging pile of charging work
Sum and volume residual and charging price etc..The control of taiwan area center is referred in the premise without departing from taiwan area transformer capacity surplus
Device processed can only at most send N number of charging instruction, and N is the current charging pile quantity for allowing to carry out charging work simultaneously, i.e., in taiwan area
Centre controller can only control be up to N number of electric automobile while charge, as specifically select which electric automobile to be filled
Electricity, then according to the charge mode of customer selecting, actively stop charging instruction coordinate setting law of electric charges determine.In the taiwan area
Price policy of the controller according to design is entreated, determines current anxious mold filling formula charging price and intelligent mold filling formula charging price, hair
Go out associated display information order charging pile, control display display charging price in charging pile, and valuated according to this price.
Preferably, control unit is single-chip microcomputer.The carrier communication module of the present embodiment uses model LM1893 chip.Described
Area's central controller is additionally provided with instruction input unit and display unit, the instruction input unit, display unit and control unit
Electrical connection.Preferably, the instruction input unit, display unit use LCD touch screen.
The law of electric charges set in taiwan area central controller as：Allow customer selecting urgency mold filling formula and intelligent mold filling formula, if
The charging electricity price of fixed anxious mold filling formula is higher than the charging electricity price of intelligent mold filling formula, and taiwan area central controller is to the anxious mold filling formula of request
After electric automobile distributes electric power resource, just by dump power resource allocation to the electric automobile for asking intelligent mold filling formula；It is if objective
Family selection is anxious mold filling formula, then on the premise of without departing from taiwan area transformer capacity surplus, it is allowed to sufficient amount of charging pile
The anxious sequencing for filling order is received to ask the electric automobile trickle charge of anxious mold filling formula, until asking the electronic of anxious mold filling formula
Automobile battery power is full of or client actively stops charging；If customer selecting is intelligent mold filling formula, become without departing from taiwan area
On the premise of depressor capacity surplus, it is allowed to which sufficient amount of charging pile presses the order of electrical automobile battery electric quantity to be charged from low to high
To ask the electric automobile of intelligent mold filling formula discontinuously to charge, delay and random selection during filling be present, until batteries of electric automobile electricity
Amount is full of or client actively stops charging.Anxious mold filling formula is used to meet to be badly in need of the client for charging electric vehicle.
Taiwan area central controller is from the battery level information of the electric automobile of the intelligent mold filling formula of request of acquisition, by battery
The order of electricity from low to high, selection ask the electric automobile of intelligent mold filling formula to be charged, when encountering a certain battery electric quantity position
Corresponding some electric automobiles are put, if current residual allows to carry out the slow electric automobile quantity filled to be more than or equal to the battery electric quantity position
The quantity of electric automobile corresponding to putting, then the whole electric automobiles for choosing the battery electric quantity position correspondence are charged, if currently
Residue allows the quantity for carrying out the electric automobile that the slow electric automobile quantity filled is less than the battery electric quantity position correspondence, then from the electricity
The electric automobile that requirement is randomly selected in the electric automobile of pond electricity position correspondence is charged；Taiwan area central controller is pressed
Receiving the anxious sequencing selection for filling order asks the electric automobile of anxious mold filling formula to be charged.
Such as：Allow 12 charging piles to be charged assuming that working as foreground partition transformer capacity surplus, there are 17 electric automobiles
Need to charge.Wherein there are 2 electric automobiles for being badly in need of charging to select anxious mold filling formula.So remaining 15 electric automobiles can only have
Ten can carry out slow fill.In this 15 electric automobiles, the electric automobile of remaining 15%, 20%, 25% electricity has 5 respectively.According to
Intelligence fills pattern rules, the electric automobile 5 of remaining 15% electricity, and quantity, which is less than, to be allowed to carry out the slow alternating-current charging pile quantity filled
10,5 can all charge.The electric automobile 5 of remaining 20% electricity, quantity are equal to residue and allow to carry out the slow exchange filled
Charging pile quantity 5, this 5 electric automobiles can all charge.5 electric automobiles of remaining 25% electricity etc. are to be charged.Assuming that
Charge after a period of time, this 10 electric automobiles have all filled 5% electricity.Now, the electric automobile of remaining 20% electricity has 5,
The electric automobile of remaining 25% electricity has 10.Pattern rules, the electric automobile 5 of remaining 20% electricity, quantity are filled according to intelligence
Less than allowing to carry out the slow alternating-current charging pile quantity filled, 5 can all charge.The electric automobile of dump energy 25% has 10,
Quantity is more than residue and allows to carry out the slow alternating-current charging pile quantity 5 filled, and enters so randomly choosing 5 from 10 electric automobiles
Row charging.So move in circles, until electric automobile electricity be full of or client actively stop charging.
If wherein there are 12 electric automobiles for being badly in need of charging to select anxious mold filling formula.Then it is badly in need of the electric automobiles to charge all for 12
Charged.If wherein there is 17 electric automobiles for being badly in need of charging to select anxious mold filling formulas, according to receiving the anxious priority for filling order
The electric automobiles that sequential selection 12 is badly in need of charging are charged, until electric automobile electricity is full of or client actively stops filling
Electricity.
Charging pile charging price uses floating price, designs two grades of charging prices, respectively anxious mold filling again on this basis
Formula charging price and intelligent mold filling formula charging price, anxious mold filling formula charging price is higher than intelligent mold filling formula charging price（Two kinds of electricity
The price differential of valency is determined by national relevant policies）.It is, of course, also possible to other charge modes are set according to being actually needed.
1）Floating price
There is spike Pinggu phase in supply network, it is low that the electricity rates of different periods also have height to have.So in design communication charging pile
During the price that charges, also referring to being designed based on the electricity price of power supply network spike Pinggu phase, alternating-current charging pile urgency mold filling formula and intelligence
The charging price of energy mold filling formula is also not stop change.Its object is to utilize price factor peak load shifting, reduce power network and bear
Load, keep power supply steady.
2）Anxious mold filling formula charging price
Anxious mold filling formula charging price increases on the basis of floating price, and corresponding intelligent mold filling formula charging price will height.
This is to meet customer demand that especially needs are charged to electric automobile, but simultaneously as is preferentially occupied
Charging power resource, so price can have been lifted.This is also to meet outside client's urgent need demand, encourages people to use intelligent mold filling
Formula, as far as possible mean allocation charging power resource.
3）Intelligent mold filling formula charging price
Intelligent mold filling formula charging price increases on the basis of floating price, low to emergent mold filling formula charging price.
Intelligent mold filling formula can be more average distribution charging power resource, also because do not possess in charging power resource
Priority, the reason for charging electric vehicle time relatively anxious mold filling formula is long, so charging price is lower than anxious mold filling formula charging price.
Simultaneously and pass through price factor, encourage the not anxious client for filling demand to be charged as far as possible using intelligent mold filling formula.
Taiwan area central controller collects information by it and carries out logic judgment equivalent to the brain of whole system, it was therefore concluded that
After issue an order.Power information acquisition system includes taiwan area summary table and electric supply meter.Taiwan area central controller is gathered by RS485
The real-time power information of taiwan area from taiwan area summary table（Current region power information）, taiwan area central controller is to the real-time electricity consumption of taiwan area
Information is analyzed, and draws current region taiwan area transformer capacity surplus, then can currently be charged simultaneously by being calculated
The alternating-current charging pile quantity of work.Because the electric power resource in charging pile being charging electric vehicle is to come from taiwan area transformer capacity
Surplus, electric power resource are limited, it is impossible to which all charging piles all carry out charging work, and this can be impacted to ordinarily resident's electricity consumption.
So needing according to foreground partition transformer capacity surplus is worked as, flexibly control can carry out the charging pile quantity of charging work.
Such as：
If there is 315KVA capacity transformers one, after removing current residential electricity consumption, transformer current capacities residue 50KVA.One
Charging pile output voltage AC380V, output current 12A.According to formula
P=UI
It is 4560VA, i.e. 4.56KVA to draw a charging pile apparent energy.
Can then carry out charge work charging pile quantity be about：
50KVA/4.56KVA≈10.96（It is individual）
So the charging pile maximum quantity that can carry out charging work simultaneously is 10.
The selection of charge mode is determined that the operation interface in charging pile is operated by client according to demand.Then it is right
Guest operation information is acquired.When charging connector inserts electric automobile, charging pile just automatically begins to gather electric automobile electricity
Pond information about power.This type of information main application is gathered in intelligent mold filling formula, is carried out in random selection charging, it is necessary to use battery
Information about power is as foundation.In the charging pile for allowing to carry out charging work in quantitative range, and corresponded to according to different charge modes
Law of electric charges charged.Meanwhile if in intelligent mold filling formula or battery full of stopping filling, also to use the battery collected
Information about power is as logic judgment foundation.
Wired connection mode is used between taiwan area central controller and power information acquisition system, is communicated with RS485.By
The power information acquisition system one direction transmission real-time power information of taiwan area gives taiwan area central controller.Taiwan area central controller with
Carrier communication is used between charging pile, is communicated in the form of radio wave.Content of Communication between them is more, is related to exchange and fills
Electric stake is uploaded to the electric quantity of batteries of electric vehicle information of taiwan area central controller, guest operation information（Anxious mold filling formula, intelligent mold filling
Formula, stop charging）, disbursement and sattlement information.Different charge commands that taiwan area central controller is sent to controller, to AC charging
The current alternating-current charging pile sum and volume residual display command for carrying out charging work that display is sent in stake, it is currently anxious to fill
Pattern charging price and intelligent mold filling formula charging price display command etc..
The present invention forms charging control system of electric automobile by alternating-current charging pile and taiwan area central controller, its control method
Step includes：
1）Anxious mold filling formula and intelligent mold filling formula are set, and two kinds of charge modes correspond to two kinds of charging prices, respectively anxious mold filling respectively
Formula charges price and intelligent mold filling formula charging price, and anxious mold filling formula charging price is higher than intelligent mold filling formula charging price；
2）Taiwan area central controller gathers the real-time power information of taiwan area in power information acquisition system in real time, and to the platform of collection
The real-time power information in area is analyzed, and draws current region taiwan area transformer capacity surplus, the taiwan area central controller according to
The charging pile quantity of charging work is carried out simultaneously when foreground partition transformer capacity surplus calculates current permission, and sends related display
Message command controls the display of charging pile to show the charging pile sum and remainder that can currently carry out charging work to charging pile
Amount and the estimated charge completion time of each stake（It is predicted with past load variations rule）；
3）Taiwan area central controller determines current anxious mold filling formula charging price and intelligence with reference to the electricity price of power supply network spike Pinggu phase
Can mold filling formula charging price, send associated display information order to charging pile, control the display of charging pile to show charging price,
And valuated according to this price；
4）Client selects charge mode by operation interface, charging connector is connected with electric automobile to be charged, charging pile is automatic
Electric quantity of batteries of electric vehicle is gathered, and the charge mode information of electric quantity of batteries of electric vehicle and customer selecting is uploaded in taiwan area
Entreat controller；
5）Taiwan area central controller receives electric quantity of batteries of electric vehicle information and customer selecting to be charged that each charging pile uploads
Charge mode information, with the current permission being calculated while the charging pile quantity progress comprehensive analysis of charging work is carried out,
On the premise of without departing from taiwan area transformer capacity surplus, charging instruction is sent respectively to accordingly filling according to the law of electric charges of setting
Electric stake, control charging pile is to charging electric vehicle, until electric quantity of batteries of electric vehicle is full of or client actively stops charging；
6）When electric quantity of batteries of electric vehicle be full of or client actively stop charging, taiwan area central controller send stop charging referring to
Make and stopping to corresponding charging pile, charging pile to charging electric vehicle；
7）Charging pile stops, to after charging electric vehicle, stopping valuation, and carry out disbursement and sattlement.
Charging instruction, which is issued after rear charging connector is powered, to be started to valuate.After stopping charging instruction issuing, charging connector power-off
Stop valuation afterwards, disbursement and sattlement proceeded by after stopping valuation, by the expense standard combined charges of various charge modes so
Electricity carries out disbursement and sattlement.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, it is clear that those skilled in the art
Member can carry out various changes and modification without departing from the spirit and scope of the present invention to the present invention.So, if the present invention
These modifications and variations belong within the scope of the claims in the present invention and its equivalent technologies, then the present invention is also intended to include these
Including change and modification.
Claims (10)
- A kind of 1. control circuit of the alternating-current charging pile based on transformer platform area information on load, it is characterised in that：It is single including control Member, communication module, power subsystem, charging electric vehicle control circuit, electric quantity of batteries of electric vehicle Acquisition Circuit, the power supply list Member is used for control unit, communication module, charging electric vehicle control circuit, the power supply of electric quantity of batteries of electric vehicle Acquisition Circuit； Described control unit respectively with communication module, electric quantity of batteries of electric vehicle Acquisition Circuit, charging electric vehicle control circuit, instruction Input block and display unit electrical connection；The electric quantity of batteries of electric vehicle Acquisition Circuit is used to gather electric quantity of batteries of electric vehicle And pass to control unit；The instruction input unit is used to gather client requirement information and passes to control unit；The control Unit processed is used to upload electric quantity of batteries of electric vehicle information through communication module and client requirement information gives taiwan area central controller, And receive command signal and the display command that taiwan area central controller issues；Described control unit is used to receive the control of taiwan area center Electric quantity of batteries of electric vehicle information that device is uploaded when foreground partition transformer capacity surplus and each charging pile according to comprehensive analysis and The command signal issued after client requirement information, output control signal give charging electric vehicle control circuit, control electric automobile Charged state, described control unit be used for receive the display command that taiwan area central controller issues, control display unit is shown Corresponding information.
- 2. the control circuit of alternating-current charging pile according to claim 1, it is characterised in that：The communication module uses electric power Line carrier communication chip.
- 3. the control circuit of alternating-current charging pile according to claim 2, it is characterised in that：The communication module includes model The primary coil of electric line carrier communication chip U1 and transformer T1, the transformer T1 for LM1893 through the first electric capacity C1 with Power line connects, one end of transformer T1 secondary coil respectively one end with the second electric capacity C2, the 3rd electric capacity C3 one end with And voltage VCC connections, the other end ground connection of the 3rd electric capacity C3, the second electric capacity C2 other end time with transformer T1 respectively The other end of level coil and first resistor R1 connections, the first resistor R1 other end negative pole with voltage-stabiliser tube VD, first respectively Triode Q1 colelctor electrode and electric line carrier communication chip U1 the 10th pin connection, the first triode Q1 emitter stage difference One end of one end, 3rd resistor R3 with second resistance R2 and electric line carrier communication chip U1 the 8th pin are connected, the 3rd electricity Hinder the base stage and electric line carrier communication chip of R3 other end ground connection, the second resistance R2 other end and the first triode Q1 U1 the 9th pin connection, electric line carrier communication chip U1 the 1st pin is through the 4th electric capacity C4 and electric line carrier communication chip U1 The connection of the 2nd pin, the 6th electric capacity C6 and the 8th resistance R8 and power line that electric line carrier communication chip U1 the 3rd pin is concatenated Carrier communication chip U1 the 4th pin connection, electric line carrier communication chip U1 the 5th pin ground connection, electric line carrier communication chip U1 the 6th pin is grounded through the 7th electric capacity C7, and electric line carrier communication chip U1 the 7th pin is grounded through the 4th resistance R4, power line One end with the 6th resistance R6, the second triode Q2 base stage are connected carrier communication chip U1 the 11st pin respectively, the 6th resistance The R6 other end is connected with voltage VCC, and the second triode Q2 colelctor electrode is connected with voltage VCC, the second triode Q2 transmitting The resistance R7 of pole the 7th is connected with electric line carrier communication chip U1 the 12nd pin, and the of the electric line carrier communication chip U1 12nd, 17 pin are connected with control unit respectively, and electric line carrier communication chip U1 the 13rd pin is grounded through the 8th resistance R8, power line Carrier communication chip U1 the 14th pin ground connection, electric line carrier communication chip U1 the 15th pin are connected with voltage VCC, and power line carries Ripple communication chip U1 the 16th pin is grounded through the 5th electric capacity C5, electric line carrier communication chip U1 the 18th pin be concatenated the 5th Resistance R5 and potentiometer RP ground connection.
- 4. the control circuit of alternating-current charging pile according to claim 1, it is characterised in that：The communication module includes carrier wave Chip, carrier wave termination power, the carrier chip electrically connect with control unit, and the carrier wave termination power is electrically connected with power line Connect, signal sending circuit and signal receiving circuit are provided between the carrier wave termination power and carrier chip, the signal is sent The input of circuit is connected with carrier chip, and the output end of the signal sending circuit is connected with carrier wave termination power, the letter The input of number receiving circuit is connected with carrier wave termination power, and the output end of the signal receiving circuit is connected with carrier chip.
- 5. the control circuit of alternating-current charging pile according to claim 4, it is characterised in that：The signal sending circuit includes Signal power amplifying circuit and output power controlling circuit, the signal power amplifying circuit are included by the 4th electric capacity C4 and first Inductance L1 composition frequency selection circuit and the first FET Q1 and the second FET Q2, the input of the frequency selection circuit with Carrier wave termination power is connected, and the output end of the frequency selection circuit is connected through 3rd resistor R3 with the first FET Q1 drain electrode, First FET Q1 source electrode is connected with reference ground VSS, and the output end of the frequency selection circuit is through second resistance R2 and second Effect pipe Q2 drain electrode connection, the second FET Q2 source electrode and the 4th resistance R4 one end, the first diode D1 negative pole And output power controlling circuit connection, the 4th resistance R4 other end, the first diode D1 positive pole and the second FET Q2 grid and the 5th electric capacity C5 one end connect, the 5th electric capacity C5 other end grid with the first FET Q1 respectively Pole, the 5th resistance R5 one end connection, the 5th resistance R5 other end are connected with carrier chip, the output power controlling circuit Including triode Q3, the emitter stage of the triode Q3 is connected with supply voltage, and triode Q3 colelctor electrode is electric with the 7th respectively Hold C7 positive pole, the 6th electric capacity C6 one end, the 6th resistance R6 one end and the connection of signal power amplifying circuit, the 7th electric capacity C7 negative pole, the 6th electric capacity C6 other end, the 6th resistance R6 other end are connected with reference ground VSS, triode Q3 base stage One end with the 7th resistance R7, the 8th resistance R8 one end are connected respectively, and the 8th resistance R8 other end is connected with supply voltage, The 7th resistance R7 other end is connected with reference ground VSS.
- 6. the control circuit of alternating-current charging pile according to claim 4, it is characterised in that：The signal receiving circuit includes Signal filter circuit and demodulator circuit, the signal filter circuit are included by the electricity of the second inductance L2 and the 8th electric capacity C8 and the 3rd Feel band logical passive filter and the 9th resistance R9, the second diode D2, the 3rd diode D3 that L3 and the 9th electric capacity C9 is formed, 9th resistance R9 one end is connected with carrier wave termination power, and the 9th resistance R9 other end is connected with the second inductance L2 one end, The other end of the second inductance L2 is connected with the 8th electric capacity C8 one end, the 8th electric capacity C8 other end respectively with the 3rd inductance L3 one end, the 9th electric capacity C9 one end, the second diode D2 positive pole, the 3rd diode D3 negative pole and demodulator circuit connect Connect, the 3rd inductance L3 other end, the 9th electric capacity C9 other end, the second diode D2 negative pole, the 3rd diode D3 are just Pole is grounded, and the demodulator circuit includes model AFE3361 low-power consumption narrow-band analog front end, model AFE3361 low work( 16th pin of consumption narrow-band analog front end is connected through the 16th electric capacity C16 with signal filter circuit, model AFE3361 low-power consumption 1st pin of narrow-band analog front end is connected with the 17th electric capacity C17 one end, and the 17th electric capacity C17 other end is respectively with the 4th Inductance L4 one end, one end connection of one end of the 18th electric capacity, the 15th resistance, the 4th inductance L4 other end, the 18th The other end ground connection of electric capacity, the other end of the 15th resistance are connected with carrier chip.
- 7. the control circuit of alternating-current charging pile according to claim 1, it is characterised in that：The charging electric vehicle control Circuit includes contactor and relay, the charging connector through contactor with exchanging electrical connection, one end of the contact of contactor with Charging connector connects, and the other end of the contact of contactor is connected with power line, the energization of the coil of the contactor or power off by Control, relay are controlled by control unit.
- 8. the control circuit of alternating-current charging pile according to claim 1, it is characterised in that：The instruction input unit, show Show that unit uses touch-screen.
- 9. the control circuit of alternating-current charging pile according to claim 1, it is characterised in that：Control unit is single-chip microcomputer.
- 10. a kind of alternating-current charging pile based on transformer platform area information on load, including charging pile body, the charging pile body is set There is the charging connector for being electrically connected with electric automobile, it is characterised in that：The charging pile body is provided with claim 1 to 9 times Control circuit described in one, the charging connector is through charging electric vehicle control circuit with exchanging electrical connection.
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