CN104467098B - The charge control system of electric motor car and method - Google Patents
The charge control system of electric motor car and method Download PDFInfo
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- CN104467098B CN104467098B CN201410765773.9A CN201410765773A CN104467098B CN 104467098 B CN104467098 B CN 104467098B CN 201410765773 A CN201410765773 A CN 201410765773A CN 104467098 B CN104467098 B CN 104467098B
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- power unit
- charge power
- electric motor
- motor car
- charging
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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
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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
-
- 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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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The present invention relates to electric automobiles, specifically provide charge control system and the method for a kind of electric motor car.The charge control system of electric motor car includes sharing charge power unit group, charging terminal group, switches set and battery charge controller.The charge control method of electric motor car comprises the following steps: obtain the demarcation charging current information of electric motor car, calculate the combination of the shared charge power unit of coupling, by controlling the shared charge power unit connection charging terminal that switches set selects combination to include, electric motor car is charged.Charge requirement according to electric motor car calculates the combination of the shared charge power unit of coupling, and makes the shared charge power unit connection electric motor car in combination, charges electric motor car.The combination of the shared charge power unit of connection is dynamically adjusted further according to actual charging current information.Such charge control system and method are capable of sharing the time-sharing multiplex of charge power unit, improve the utilization rate sharing charge power unit.
Description
Technical field
The present invention relates to electric automobiles, in particular to the charging control of a kind of electric motor car
System and method processed.
Background technology
Development strategy new industry, promotes industry restructuring, mode of accelerating economic development
Change, promote international competitiveness, promote the good and fast development of economic society " electric motor car "
It it is one of first-selected new industry.And be that electric motor car provides convenient and safe energy recharge just to show
Obtain particularly important.The most traditional electric motorcar charging station is provided with several integrated chargers
Or split type charger, each charger all has several charge power unit to be attached thereto.
Owing to each charger is relatively independent, when the electric motor car charging less to charge-current demands,
Need by the way of charge power unit is carried out current limliting, realize charging, which results in
Charge efficiency low.
Summary of the invention
In view of this, the purpose of the embodiment of the present invention is to provide the charging control of a kind of electric motor car
System and method processed, to improve the utilization rate of charge power unit in electric motorcar charging station.
The present invention is achieved in that
First aspect, embodiments provides the charge control system of a kind of electric motor car,
The charge control system of described electric motor car include share charge power unit group, charging terminal group,
Switches set and battery charge controller, described shared charge power unit group includes that N number of sharing is filled
Electrical power unit, described charging terminal group includes that M charging terminal, described switches set include
S switch, wherein M≤S≤N × M, S is integer, described N and M be more than or etc.
In the integer of 1；Described shared charge power unit group connects described switches set, described switch
Group connects described charging terminal group, and described switches set and described charging terminal group are all connected with described
Battery charge controller；
For connecting the M1 charging terminal of electric motor car to be charged, described charging control
Device is according to the demarcation charging current information of electric motor car to be charged, by controlling described switch
The P of coupling in charge power unit group is shared in group selectionM1Individual shared charge power unit connects
Described the M1 charging terminal, to described electric motor car charging to be charged, wherein PM1≤ N,
0≤M1≤M, PM1It is integer with M1.
In conjunction with first aspect, the first embodiments providing first aspect is possible
Embodiment, wherein said the M1 charging terminal is also associated with DM1Individual exclusively enjoy charging merit
Rate unit, wherein 0≤DM1, DM1For integer.
Exclusively enjoy charge power unit and only connect some charging terminal, arrange an appropriate number of solely
Enjoy charge power unit and can improve charge efficiency.
In conjunction with the first possible embodiment of first aspect, embodiments provide
The embodiment that the second of first aspect is possible, wherein said battery charge controller includes:
Battery information acquiring unit, to be charged for connected by described charging terminal group
The vehicle mounted battery management system of Q electric motor car obtains the mark of described Q electric motor car to be charged
Determining charging current information, wherein 0≤Q≤M, and Q is integer；
Charge power unit combination calculation unit, for according to the M1 charging of described connection
The demarcation charging current information of the electric motor car to be charged of terminal, calculates required reality total
Charge power, utilizes described required actual total charge power to deduct and fills with described M1
The D that electric terminals connectsM1The individual power exclusively enjoying charge power unit, obtains required shared fill
The power of electrical power unit, the energy meter further according to shared charge power unit calculates shared filling
The combination C of electrical power unitM1, described combination CM1Including PM1Individual individual with described M1
The shared charge power unit that charging terminal connects, each to be charged electronic at synchronization
The shared charge power unit that the combination that car is corresponding includes is without occuring simultaneously；
Switch control unit, for controlling and described combination CM1Included shared charging merit
The switch Guan Bi that rate unit is corresponding, to described combination CM1Corresponding electric motor car to be charged fills
Electricity.
After battery charge controller detects the electric motor car being connected with charging terminal, by with vehicle-mounted
Battery management system (Battery Management System, BMS) communicates, and obtains
Obtain the demarcation charging current information of electric motor car, calculate needs according to demarcating charging current information
Shared charge power unit group, then control corresponding with sharing charge power unit group connect
Switch Guan Bi, the switch after Guan Bi has connected shared charge power unit group and electric motor car,
Achieve the charging to electric motor car.
In conjunction with the embodiment that the second of first aspect is possible, embodiments provide
The third possible embodiment of first aspect, wherein said battery charge controller also includes:
Detector unit, for detecting whether described charging terminal group connects electric motor car to be charged；
Charge power control unit, is used for controlling described shared charge power unit or exclusively enjoy and fills
The output electric current of electrical power unit and output voltage.
Whether the detector unit that battery charge controller is arranged can detect charging terminal and connect and have electricity
Motor-car.The spike of electric energy that theres is provided according to supply network or the situation of low ebb or access electronic
The charge requirement situation of car, charge power control unit controls to share charge power unit or only
Enjoy output electric current and the output voltage of charge power unit, it is achieved the optimum utilization to electric energy.
In conjunction with first aspect, embodiments provide the 4th kind of first aspect possible
Embodiment, each of which switch connects a shared charge power unit and a charging
Terminal, as S N × M, each shared charge power unit connects M switch,
Each charging terminal is connected with described N number of shared charge power unit by N number of switch；
As M≤S ＜ N × M, each shared charge power unit is at least connected with a switch,
Each charging terminal is at least connected with a switch.
The setting of switches set achieves the time-sharing multiplex of shared charge power unit, improves altogether
Enjoy the utilization rate of charge power unit.During the quantity S N × M switched, each charging terminal
All can connect all of shared charge power unit, as M≤S ＜ N × M, Mei Gechong
Electric terminals can only connect partial sharing charge power unit.
Second aspect, embodiments provides the charge control method of a kind of electric motor car,
Being applied to the charge control system of electric motor car, the charge control system of described electric motor car includes altogether
Enjoy charge power unit group, charging terminal group, switches set and battery charge controller, described common
Enjoy charge power unit group and include N number of shared charge power unit, described charging terminal group bag
Including M charging terminal, described switches set includes S switch, wherein M≤S≤N × M, S
For integer, described N and M is the integer more than or equal to 1；Described shared charging merit
Rate unit group connects described switches set, and described switches set connects described charging terminal group, described
Switches set and described charging terminal group are all connected with described battery charge controller；
Said method comprising the steps of:
By the on-vehicle battery pipe of Q the electric motor car to be charged that described charging terminal group connects
Reason system obtains the demarcation charging current information of described Q electric motor car to be charged, wherein
0≤Q≤M, and Q is integer；
The demarcation charging of the electric motor car to be charged according to M1 charging terminal of described connection
Current information, calculates and shares charge power unit in the shared charge power unit group of coupling
Combination CM1, combine CM1Including PM1Individual and described the M1 charging terminal is connected
Share charge power unit, at the combination bag that each electric motor car to be charged of synchronization is corresponding
The shared charge power unit included is without occuring simultaneously；
The P of coupling is selected by controlling described switches setM1Individual shared charge power unit connects
Described the M1 charging terminal, to described electric motor car charging to be charged, wherein PM1≤ N,
0≤M1≤M, PM1It is integer with M1.
In conjunction with second aspect, the first embodiments providing second aspect is possible
Embodiment, wherein said the M1 charging terminal is also associated with DM1Individual exclusively enjoy charging merit
Rate unit, wherein 0≤DM1, DM1For integer；
Described method is further comprising the steps of:
The demarcation charging of the electric motor car to be charged according to M1 charging terminal of described connection
Current information, calculates required actual total charge power, described required actual total charging
Power deducts the D being connected with described the M1 charging terminalM1Individual exclusively enjoy charge power unit
Power, obtain the power of required shared charge power unit, according to described required being total to
The power enjoying charge power unit combines each shared charging that shared charge power unit group includes
The power of power cell, calculates the combination C of shared charge power unitM1。
During charging, exclusively enjoy charge power unit and be preferably electric motor car charging, exclusively enjoy charge power
When unit can not meet charge requirement, the more shared charge power unit of connection is electric motor car charging.
In conjunction with second aspect, the second embodiments providing second aspect is possible
Embodiment, described the M1 charging terminal is also associated with DM1Individual exclusively enjoy charge power list
Unit, wherein 0≤DM1, DM1For integer, wherein said method is further comprising the steps of:
In charging process, described battery charge controller every set time pass through described in fill
Electric terminals obtains the actual charge current information of described Q electric motor car to be charged；
Actual charge current according to the electric motor car to be charged connecting M1 charging terminal
Information, calculates required actual total charge power, the merit if described required reality is always charged
Rate is more than the D being connected with described the M1 charging terminalM1The individual charge power unit of exclusively enjoying
Power, the most described required actual total charge power deducts and described the M1 charging terminal
The D connectedM1The individual power exclusively enjoying charge power unit, obtains required reality and shares charging
The power of power cell, shares the energy meter of charge power unit according to described required reality
Calculate the combination C of shared charge power unitM1X, described combination CM1XIncluding PM1XIndividual with
The shared charge power unit that described the M1 charging terminal connects, each at synchronization
The shared charge power unit that the combination that electric motor car to be charged is corresponding includes is without occuring simultaneously, described
Combination CM1XPrevious be combined as CM1X-1, wherein 2≤M1X, and M1X is integer,
0≤PM1X≤ N, and PM1XFor integer；
If described combination CM1X-1With described combination CM1XThere is common factor, then disconnect described combination
CM1X-1Including and described combination CM1XOpening corresponding to shared charge power unit not to be covered
Close, close described combination CM1X-1Do not include and described combination CM1XIncluding shared charging merit
Switch corresponding to rate unit, to described electric motor car charging to be charged；
If described combination CM1X-1With described combination CM1XWithout occuring simultaneously, then close described combination
CM1XIncluding shared charge power unit corresponding to switch, disconnect described combination CM1X-1
Including shared charge power unit corresponding to switch, fill to described electric motor car to be charged
Electricity.
In charging process, after the electricity of battery reaches certain value, need the electric current of charging
Can reduce.Battery charge controller every set time detecting actual charge current information, then
Recalculate the combination of shared charge power unit according to actual charge current information, control
The switch that the combination of new shared charge power unit is corresponding closes, and charges to electric motor car.This
Sample adjusts the combination of shared charge power unit dynamically, improves shared charge power unit
Utilization rate.
In conjunction with the embodiment that the second of second aspect is possible, embodiments provide
The third possible embodiment of second aspect, wherein said method is further comprising the steps of:
If described required actual total charge power is less than or equal to and described the M1 charging
The D that terminal connectsM1The individual power exclusively enjoying charge power unit, then DM1Individual exclusively enjoy charging merit
Rate unit is the electric motor car charging being connected with described the M1 charging terminal.
In charging process, if required actual charge current is less than or equal to exclusively enjoying charging merit
Rate unit can provide, then exclusively enjoying charge power unit is the electric motor car charging connected, altogether
Enjoy charge power unit and do not connect charging terminal.
In conjunction with second aspect, embodiments provide the 4th kind of second aspect possible
Embodiment, wherein said battery charge controller is also by treating that described charging terminal group connects
The vehicle mounted battery management system of Q electric motor car of charging obtain described Q to be charged electronic
The battery level information of car,
Controlling and described combination CM1Included PM1Individual shared charge power unit is corresponding
Switch Guan Bi step before, described method is further comprising the steps of:
Described battery charge controller is according to described battery level information, and respectively Q to be charged
Electric motor car give charging priority level, in order to charging；Or
According to the preferential charging instruction received, give charging for Q electric motor car to be charged excellent
First grade, in order to charging.
Battery level information according to electric motor car or whether there is emergency, for filling simultaneously
The electric motor car of electricity gives priority level, is charged according to priority level, improves electric energy
Utilization, the most more practicality.
In conjunction with second aspect, embodiments provide the 5th kind of second aspect possible
Embodiment, each of which switch connects a shared charge power unit and a charging
Terminal,
As S N × M, each shared charge power unit connects M switch, often
One charging terminal is connected, i.e. with described N number of shared charge power unit by N number of switch
Each charging terminal can connect any number of switch in N number of switch；
As M≤S ＜ N × M, each shared charge power unit is at least connected with one and opens
Closing, each charging terminal is at least connected with a switch.
The setting of switches set achieves the time-sharing multiplex of shared charge power unit, improves altogether
Enjoy the utilization rate of charge power unit.During the quantity S N × M switched, each charging terminal
All can connect all of shared charge power unit, as M≤S ＜ N × M, Mei Gechong
Electric terminals can only connect partial sharing charge power unit.
The technique effect that the present invention realizes: battery charge controller is according to the charge requirement of electric motor car
Calculate the combination of the shared charge power unit of coupling, by controlling the switch of switches set,
Make the shared charge power unit connection electric motor car sharing in the combination of charge power unit,
The group of the shared charge power unit of connection is dynamically adjusted further according to actual charging current information
Close.Such charge control system and method are capable of sharing the timesharing of charge power unit
Multiplexing, improves the utilization rate sharing charge power unit.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, below will be to embodiment
The accompanying drawing used required in is briefly described, it will be appreciated that the following drawings illustrate only
Certain embodiments of the present invention, is therefore not construed as the restriction to scope, for ability
From the point of view of the those of ordinary skill of territory, on the premise of not paying creative work, it is also possible to according to
These accompanying drawings obtain the accompanying drawing that other are relevant.
Fig. 1 a shows the charge control system of the electric motor car that first embodiment of the invention provides；
Fig. 1 b shows the structure of the battery charge controller that first embodiment of the invention provides；
Fig. 2 shows the charge control method of the electric motor car that first embodiment of the invention provides；
Fig. 3 a shows the charge control system of the electric motor car that second embodiment of the invention provides；
Fig. 3 b shows the structure of the battery charge controller that second embodiment of the invention provides；
Fig. 4 shows the charge control method of the electric motor car that second embodiment of the invention provides.
Detailed description of the invention
Below in conjunction with accompanying drawing in the embodiment of the present invention, to the technical side in the embodiment of the present invention
Case is clearly and completely described, it is clear that described embodiment is only the present invention one
Section Example rather than whole embodiments.Generally herein described in accompanying drawing and illustrate
The assembly of the embodiment of the present invention can arrange with various different configurations and design.Therefore,
Detailed description to the embodiments of the invention provided in the accompanying drawings is not intended to limit and wants below
Seek the scope of the present invention of protection, but be merely representative of the selected embodiment of the present invention.Based on
Embodiments of the invention, those skilled in the art are not on the premise of making creative work
The every other embodiment obtained, broadly falls into the scope of protection of the invention.
When there being Q electric motor car to be charged, refering to Fig. 1 a and 1b, the first of the present invention is real
Execute example and disclose the charge control system of a kind of electric motor car, the charge control system of this electric motor car
Including shared charge power unit group 201, charging terminal group 501, switches set 301 and charging
Control device 101.
Battery charge controller 101 includes battery information acquiring unit 102, charge power unit
Combination calculation unit 103 and switch control unit 104.Share charge power unit group 201
Including N number of shared charge power unit 202, charging terminal group 501 includes M charging eventually
End 401, switches set 301 includes S switch 302, and wherein M≤S≤N × M, S are integer,
N and M is the integer more than or equal to 1；Share the connection of charge power unit group 201 to open
Pass group 301, switches set 301 connects charging terminal group 501, switches set 301 and charging terminal
Group 501 is all connected with battery charge controller 101.
For connecting the M1 charging terminal 401 of electric motor car to be charged, charging control
Device 101, according to the demarcation charging current information of electric motor car to be charged, is switched by control
The P of coupling in charge power unit group 201 is shared in group 301 selectionM1Individual shared charge power
Unit 202 connects the M1 charging terminal 401, to electric motor car charging to be charged, its
Middle PM1≤ N, 0≤M1≤M, PM1It is integer with M1.
Wherein, battery information acquiring unit 102 is connected with charging terminal 401 for detection
Electric motor car, by communicating with BMS, it is thus achieved that the demarcation charging current information of electric motor car.
Charge power unit combination calculation unit 103 is by according to demarcating based on charging current information
Calculate the combination C of the shared charge power unit 202 mated with electric motor car to be chargedM1,
Combination CM1For PM1Individual shared charge power unit combines.
Switch control unit 104 is used for controlling and combines CM1Including shared charge power list
The switch 302 of unit's 202 correspondences closes, and charges to electric motor car.
Refering to Fig. 2, the charge control method of electric motor car disclosed in the first embodiment of the present invention
Comprise the following steps:
S201 step: obtain the demarcation charging current of Q electric motor car to be charged, wherein
0≤Q≤M, and Q is integer.
S202 step: calculate the electricity to be charged being connected with the M1 charging terminal 401
The combination C of the shared charge power unit 202 of motor-car couplingM1。
S203 step: control and combination CM1Including shared charge power unit 202 corresponding
Switch 302 close, to electric motor car charge.
Refering to Fig. 3 a and 3b, the second embodiment of the present invention discloses filling of a kind of electric motor car
Electric control system, the charge control system of this electric motor car includes sharing charge power unit group
201, charging terminal group 501, switches set 301, battery charge controller 101 and exclusively enjoy charging
Power cell 601.Each charging terminal 401 connects DM1Individual exclusively enjoy charge power unit 601,
0≤DM1, DM1For integer.
Battery charge controller 101 include detector unit 105, battery information acquiring unit 102,
Charge power unit combination calculation unit 103, switch control unit 104 and charge power control
Unit 106 processed.
Wherein, detector unit 105 is used for detecting whether charging terminal group 501 connects to be charged
Electric motor car；
Battery information acquiring unit 102 is electronic for Q be connected with charging terminal group 501
The BMS of car communicates, it is thus achieved that the demarcation charging current information of Q electric motor car.
Charge power unit combination calculation unit 103 is for according to the demarcation charging current obtained
Information calculates the combination of the shared charge power unit 202 mated with electric motor car to be charged
CM1, combine CM1For PM1Individual shared charge power unit combines.
Switch control unit 104 is used for controlling and combines CM1Including shared charge power list
The switch 302 of unit's 202 correspondences closes, and charges to electric motor car.
Charge power control unit 106 is used for controlling share charge power unit or exclusively enjoy charging
The output electric current of power cell and output voltage.
Refering to Fig. 4, the second embodiment of the present invention discloses the another kind of charging control of electric motor car
Method processed, in addition to the step of method as shown in Figure 2, also includes:
S200 step: whether detection charging terminal group 501 connects electric motor car to be charged.
In charging process, due to the change of battery electric quantity, the charging current meeting of actual demand
Reduce, call shared charge power unit 202 according to actual charging current and can improve
Share the utilization rate of charge power unit 202.
S201 ' step is performed: connected by charging terminal group 501 every the time set
The vehicle mounted battery management system of Q electric motor car to be charged, obtain Q to be charged electronic
The actual charge current information of car.
S204 step: calculate the reality needed for the electric motor car being connected with the M1 charging terminal
The total charge power in border.
S205 step: whether the actual total charge power needed for judgement is more than M 1 charging
The D that terminal 401 connectsM1The individual power exclusively enjoying charge power unit 601.
If required actual total charge power is less than or equal to 1 charging terminal 401 of M even
The D connectM1The individual power exclusively enjoying charge power unit 601, then perform:
S206 step: DM1The individual charge power unit 601 that exclusively enjoys is the electric motor car charging connected.
If required actual total charge power connects more than the M1 charging terminal 401
DM1The individual power exclusively enjoying charge power unit 601, then perform:
S202 ' step: required actual total charge power deducts and 1 charging terminal of M
401 D connectedM1The individual power exclusively enjoying charge power unit 601, obtains required reality
Share the power of charge power unit 202, share charge power unit according to required reality
The energy meter of 202 calculates the combination C of shared charge power unitM1X, combine CM1XIncluding
PM1XThe individual shared charge power unit 202 being connected with the M1 charging terminal 401,
The shared charge power unit that the combination that each electric motor car to be charged of synchronization is corresponding includes
202, without occuring simultaneously, combine CM1XPrevious be combined as CM1X-1, wherein 2≤M1X, and
M1X is integer, 0≤PM1X≤ N, and PM1XFor integer.
S203 ' step: judge CM1X-1With combination CMX1Whether there is common factor, according to judging knot
Fruit Guan Bi or disconnection switch 302.
If combination CM1X-1With combination CM1XThere is common factor, then open combinations CM1X-1Including and group
Close CM1XSwitch 302 corresponding to shared charge power unit 202 not to be covered, closed group
Close CM1X-1Do not include and combine CM1XIncluding shared charge power unit 202 corresponding to
Switch 302, to electric motor car charging to be charged；
If combination CM1X-1With combination CM1XWithout occuring simultaneously, then Guan Bi combination CM1XIncluding be total to
Enjoy the switch 302 corresponding to charge power unit 202, open combinations CM1X-1Including be total to
Enjoy the switch 302 corresponding to charge power unit 202, to electric motor car charging to be charged.
Reality needed for the electric motor car that the M1 the charging terminal calculated when S204 step connects
The total charge power in border is 0, then illustrate that the electric motor car that the M1 charging terminal connects has filled
Full electricity.
Switches set 301 connects shares charge power unit group 201 and charging terminal group 501,
Concrete connected mode is: each switch 302 one shared charge power unit 202 of connection
With a charging terminal 401；As S N × M, each shared charge power unit 202
Connecting M switch 302, each charging terminal 401 passes through N number of switch 302 with described
N number of shared charge power unit 202 is connected, i.e. each charging terminal 401 can connect
Any number of switch 302 in N number of switch 302；As M≤S ＜ N × M, each is altogether
Enjoy charge power unit 202 and be at least connected with a switch 302, each charging terminal 401
Be at least connected with a switch 302, i.e. each charging terminal can only connect N number of switch 302
In partial switch 302
The setting of switches set 301 achieves the time-sharing multiplex of shared charge power unit 202,
Improve the utilization rate of shared charge power unit 202.
In order to preferably improve charge efficiency, battery charge controller 101 is also by charging terminal
The vehicle mounted battery management system of Q the electric motor car to be charged of group 501 connection obtains Q and treats
The battery level information of the electric motor car of charging, the battery level information according to obtaining is respectively Q
Electric motor car to be charged gives charging priority level, is electronic according to the order of priority level
Car charges.Priority level can also be produced by the setting of operator.According to priority scheduling
Level is charged, and can meet the situation of urgent charging, more practicality.
The charge power control unit 106 that battery charge controller 101 is arranged connects shares charging
Power cell 202 and exclusively enjoy charge power unit 601, the electric energy provided at supply network goes out
The when of existing spike or low ebb, or control to share charge power unit according to actual charge requirement
202 or exclusively enjoy output electric current and the output voltage of charge power unit 601, improve electric energy
Utilization rate.
Above-mentioned charging terminal 401 is charging branch, after electric motor car to be charged connects charging pile
It is connected with charging terminal 401.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention,
For a person skilled in the art, the present invention can have various modifications and variations.All
Within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. made,
Should be included within the scope of the present invention.
Claims (10)
1. the charge control system of an electric motor car, it is characterised in that the charging of described electric motor car
Control system includes that sharing charge power unit group, charging terminal group, switches set and charging controls
Device, described shared charge power unit group includes N number of shared charge power unit, described
Charging terminal group includes that M charging terminal, described switches set include S switch, wherein
M≤S≤N × M, S are integer, and described N and M is the integer more than or equal to 1；Institute
Stating shared charge power unit group and connect described switches set, described switches set connects described charging eventually
End group, described switches set and described charging terminal group are all connected with described battery charge controller；
For connecting the M1 charging terminal of electric motor car to be charged, described charging controls to fill
Put the demarcation charging current information according to electric motor car to be charged, select by controlling described switches set
PM1 the shared charge power unit connection selecting coupling in shared charge power unit group is described
The M1 charging terminal, charges to described electric motor car to be charged, wherein PM1≤N,
0≤M1≤M, PM1 and M1 is integer；
Described the M1 charging terminal is also associated with DM1 and exclusively enjoys charge power unit, its
In 0≤DM1, DM1 be integer；
Described battery charge controller includes charge power unit combination calculation unit, described charging merit
Rate unit combination calculation unit is for according to the electricity to be charged connecting M1 charging terminal
The demarcation charging current information of motor-car, calculates required actual total charge power, utilizes described
Required actual total charge power deducts DM1 be connected with described the M1 charging terminal
Exclusively enjoy the power of charge power unit, obtain the power of required shared charge power unit.
The charge control system of electric motor car the most according to claim 1, it is characterised in that
Described battery charge controller includes:
Battery information acquiring unit, for the Q to be charged connected by described charging terminal group
The vehicle mounted battery management system of electric motor car obtains the demarcation of described Q electric motor car to be charged
Charging current information, wherein 0≤Q≤M, and Q is integer；
Switch control unit, for controlling and the shared charging merit included by described combination CM1
The switch Guan Bi that rate unit is corresponding, fills to described electric motor car to be charged corresponding for combination CM1
Electricity；
Described charge power unit combination calculation unit, is additionally operable to according to sharing charge power unit
Energy meter calculate the combination CM1, described combination CM1 of shared charge power unit and include
PM1 the shared charge power unit being connected with described the M1 charging terminal, same
The shared charge power unit that the combination that moment each electric motor car to be charged is corresponding includes is without handing over
Collection.
The charge control system of electric motor car the most according to claim 2, it is characterised in that
Described battery charge controller also includes:
Detector unit, for detecting whether described charging terminal group connects electric motor car to be charged；
Charge power control unit, is used for controlling described shared charge power unit or exclusively enjoying charging
The output electric current of power cell and output voltage.
The charge control system of electric motor car the most according to claim 1, it is characterised in that
Each switch connects a shared charge power unit and a charging terminal, as S N × M
Time, each shared charge power unit connects M switch, and each charging terminal passes through
N number of switch is connected with described N number of shared charge power unit；As M≤S ＜ N × M, often
One shared charge power unit is at least connected with a switch, and each charging terminal is at least connected with
One switch.
5. a charge control method for electric motor car, is applied to the charge control system of electric motor car,
It is characterized in that, the charge control system of described electric motor car include share charge power unit group,
Charging terminal group, switches set and battery charge controller, described shared charge power unit group includes
N number of shared charge power unit, described charging terminal group includes M charging terminal, described
Switches set includes S switch, wherein M≤S≤N × M, and S is integer, and described N and M is equal
For the integer more than or equal to 1；Described shared charge power unit group connects described switches set,
Described switches set connects described charging terminal group, and described switches set and described charging terminal group all connect
Connect described battery charge controller；
Said method comprising the steps of:
By the on-vehicle battery pipe of Q the electric motor car to be charged that described charging terminal group connects
Reason system obtains the demarcation charging current information of described Q electric motor car to be charged, wherein
0≤Q≤M, and Q is integer；
The demarcation charging of the electric motor car to be charged according to M1 charging terminal of described connection
Current information, calculates and shares charge power unit in the shared charge power unit group of coupling
Combination CM1, combination CM1 include that PM1 is connected with described the M1 charging terminal
Sharing charge power unit, the combination corresponding in each electric motor car to be charged of synchronization includes
Shared charge power unit without occur simultaneously；
PM1 the shared charge power unit selecting coupling by controlling described switches set connects
Described the M1 charging terminal, charges to described electric motor car to be charged, wherein PM1≤N,
0≤M1≤M, PM1 and M1 is integer.
The charge control method of electric motor car the most according to claim 5, it is characterised in that
Described the M1 charging terminal is also associated with DM1 and exclusively enjoys charge power unit, wherein
0≤DM1, DM1 are integer；
Described method is further comprising the steps of:
The demarcation charging of the electric motor car to be charged according to M1 charging terminal of described connection
Current information, calculates required actual total charge power, and described required reality is always charged merit
Rate deducts DM1 be connected with described the M1 charging terminal and exclusively enjoys charge power unit
Power, obtains the power of required shared charge power unit, required shared fills according to described
The power of electrical power unit combines shares each shared charge power that charge power unit group includes
The power of unit, calculates the combination CM1 of shared charge power unit.
The charge control method of electric motor car the most according to claim 5, it is characterised in that
Described the M1 charging terminal is also associated with DM1 and exclusively enjoys charge power unit, wherein
0≤DM1, DM1 are integer, and described method is further comprising the steps of:
In charging process, described battery charge controller every set time by described charging
Terminal obtains the actual charge current information of described Q electric motor car to be charged；
Actual charge current according to the electric motor car to be charged connecting M1 charging terminal
Information, calculates required actual total charge power, if described required actual total charge power
More than DM1 the merit exclusively enjoying charge power unit being connected with described the M1 charging terminal
Rate, the most described required actual total charge power deducts with described the M1 charging terminal even
The DM1 connect the power exclusively enjoying charge power unit, obtains required reality and shares charging merit
The power of rate unit, calculates according to the energy meter that described required reality shares charge power unit
Share the combination CM1X, described combination CM1X of charge power unit include PM1X with
The shared charge power unit that described the M1 charging terminal connects, each at synchronization
The shared charge power unit that the combination that electric motor car to be charged is corresponding includes without occur simultaneously, described group
Conjunction the previous of CM1X is combined as CM1X-1, wherein 2≤M1X, and M1X is integer,
0≤PM1X≤N, and PM1X is integer；
If described combination CM1X-1 and described combination CM1X has common factor, then disconnect described group
Conjunction CM1X-1 includes and described combination CM1X shared charge power unit not to be covered institute is right
The switch answered, closes described combination CM1X-1 and does not includes and described combination CM1X includes
Share the switch corresponding to charge power unit, to described electric motor car charging to be charged；
If described combination CM1X-1 and described combination CM1X is without occuring simultaneously, then close described group
Close the switch corresponding to shared charge power unit that CM1X includes, disconnect described combination
The switch corresponding to shared charge power unit that CM1X-1 includes, to described electricity to be charged
Motor-car charges.
The charge control method of electric motor car the most according to claim 7, it is characterised in that
Described method is further comprising the steps of:
If described required actual total charge power is less than or equal to and described the M1 charging
DM1 the power exclusively enjoying charge power unit that terminal connects, then DM1 exclusively enjoys charging
Power cell is the electric motor car charging being connected with described the M1 charging terminal.
The charge control method of electric motor car the most according to claim 5, it is characterised in that
Described battery charge controller also by described charging terminal group connect to be charged Q electronic
The vehicle mounted battery management system of car obtains the battery electric quantity letter of described Q electric motor car to be charged
Breath,
Controlling, shared charge power unit individual with the PM1 included by described combination CM1 is corresponding
Switch Guan Bi step before, described method is further comprising the steps of:
Described battery charge controller is according to described battery level information, and respectively Q to be charged
Electric motor car give charging priority level, in order to according to described charging priority level arrangement charge；
Or
According to the preferential charging instruction received, give charging for Q electric motor car to be charged excellent
First grade, in order to charge according to described charging priority level arrangement.
The charge control method of electric motor car the most according to claim 5, its feature exists
In, each switch connects a shared charge power unit and a charging terminal,
As S N × M, each shared charge power unit connects M switch, each
Individual charging terminal is connected, the most often with described N number of shared charge power unit by N number of switch
One charging terminal can connect any number of switch in N number of switch；
As M≤S ＜ N × M, each shared charge power unit is at least connected with a switch,
Each charging terminal is at least connected with a switch.
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| CN105958587B (en) * | 2016-06-03 | 2019-04-05 | 河南科技大学 | A kind of intelligent charging system and charging method |
| CN106058978B (en) * | 2016-06-28 | 2018-09-21 | 汕头市高博电子科技有限公司 | Charging pile manages system |
| CN113263945B (en) | 2016-08-23 | 2023-08-18 | 柏思科技有限公司 | Method and system for supplying power to a plurality of loads having current measurements |
| US10763678B2 (en) | 2016-08-23 | 2020-09-01 | Pismo Labs Technology Limited | Methods and systems for distributing electricity to multiple loads based on a scheduler and ammeter measurements |
| CN108068640B (en) * | 2016-11-18 | 2021-08-06 | 郑州宇通客车股份有限公司 | Power supply control method and device for double-source trolley bus |
| CN106740224B (en) * | 2017-01-12 | 2023-05-23 | 深圳驿普乐氏科技有限公司 | Electric automobile charging system and method |
| CN106849237B (en) * | 2017-02-16 | 2023-10-13 | 上海蔚来汽车有限公司 | Flexible charging control system and method and flexible charging system |
| CN106992563A (en) * | 2017-04-01 | 2017-07-28 | 上海蔚来汽车有限公司 | Expansible charhing unit control system |
| CN106887086B (en) * | 2017-04-07 | 2022-10-21 | 上海蔚来汽车有限公司 | Mobile charging equipment, mobile charging system and mobile charging method |
| CN108394287B (en) * | 2017-11-20 | 2021-08-06 | 蔚来(安徽)控股有限公司 | Control method and device for flexible charging equipment of electric automobile |
| CN110435471B (en) * | 2019-07-22 | 2023-03-03 | 宁波三星智能电气有限公司 | Power output control system, charging control system and power output control method of charging pile |
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| JP5659549B2 (en) * | 2010-04-27 | 2015-01-28 | 日本電気株式会社 | Power control system, power control method, control device, program, and server device |
| CN202094676U (en) * | 2011-05-05 | 2011-12-28 | 陈明军 | Vehicle charging system |
| CN202190087U (en) * | 2012-01-17 | 2012-04-11 | 天宝电子（惠州）有限公司 | Distributed electric automobile charging system capable of supplying multi energy sources |
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