CN103441558B - Charge control method and electric automobile car-mounted terminal - Google Patents

Charge control method and electric automobile car-mounted terminal Download PDF

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Publication number
CN103441558B
CN103441558B CN201310340024.7A CN201310340024A CN103441558B CN 103441558 B CN103441558 B CN 103441558B CN 201310340024 A CN201310340024 A CN 201310340024A CN 103441558 B CN103441558 B CN 103441558B
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China
Prior art keywords
discharge
control command
charging
charging control
charge
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CN201310340024.7A
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CN103441558A (en
Inventor
李军华
王振庆
柳士江
卢锦龙
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Chery Automobile Co Ltd
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Chery Automobile Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION 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
    • B60L3/00Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
    • B60L3/04Cutting off the power supply under fault conditions
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION 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
    • B60L3/00Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
    • B60L3/0023Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
    • B60L3/0046Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to electric energy storage systems, e.g. batteries or capacitors
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION 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
    • B60L3/00Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
    • B60L3/0023Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
    • B60L3/0061Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to electrical machines
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION 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
    • B60L53/00Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/10Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
    • B60L53/14Conductive energy transfer
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION 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
    • B60L53/00Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/60Monitoring or controlling charging stations
    • B60L53/63Monitoring or controlling charging stations in response to network capacity
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION 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
    • B60L53/00Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/60Monitoring or controlling charging stations
    • B60L53/65Monitoring or controlling charging stations involving identification of vehicles or their battery types
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION 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
    • B60L58/00Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • B60L58/12Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
    • B60L58/14Preventing excessive discharging
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION 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
    • B60L58/00Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/40Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for controlling a combination of batteries and fuel cells
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/70Energy storage systems for electromobility, e.g. batteries
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10Technologies relating to charging of electric vehicles
    • Y02T90/12Electric charging stations
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10Technologies relating to charging of electric vehicles
    • Y02T90/14Plug-in electric vehicles
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10Technologies relating to charging of electric vehicles
    • Y02T90/16Information or communication technologies improving the operation of electric vehicles
    • Y02T90/167Systems integrating technologies related to power network operation and communication or information technologies for supporting the interoperability of electric or hybrid vehicles, i.e. smartgrids as interface for battery charging of electric vehicles [EV] or hybrid vehicles [HEV]
    • Y02T90/169
    • YGENERAL 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
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S10/00Systems supporting electrical power generation, transmission or distribution
    • Y04S10/12Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation
    • Y04S10/126Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation the energy generation units being or involving electric vehicles [EV] or hybrid vehicles [HEV], i.e. power aggregation of EV or HEV, vehicle to grid arrangements [V2G]
    • YGENERAL 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
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S30/00Systems supporting specific end-user applications in the sector of transportation
    • Y04S30/10Systems supporting the interoperability of electric or hybrid vehicles
    • Y04S30/14Details associated with the interoperability, e.g. vehicle recognition, authentication, identification or billing

Abstract

The invention discloses a kind of charge control method and electric automobile car-mounted terminal, belong to electric automobile field.Described method comprises: receive charging control command, and charging control command comprises stopping charging control command, by predetermined power charging instruction or electric discharge instruction; Whether allow to perform charging control command according to the discharge and recharge condition judgment of setting; Stop charging control command when charging control command comprises, and when discharge and recharge condition represents permission stopping charging, the charge-discharge machine controlling electric automobile stops charging to the vehicle power of electric automobile; When charging control command comprises by predetermined power charging instruction, and discharge and recharge condition represents and allows when charge by predetermined power, and the charge-discharge machine of control electric automobile is pressed predetermined power and charged to the vehicle power of electric automobile; When charging control command comprises electric discharge instruction, and when discharge and recharge condition represents permission electric discharge, control charge-discharge machine and discharge to electrical network.Achieve electric automobile intelligent charge.

Description

Charge control method and electric automobile car-mounted terminal
Technical field
The present invention relates to electric automobile field, particularly a kind of charge control method and electric automobile car-mounted terminal.
Background technology
Electric automobile refers to vehicle power for motor provides power, to drive the vehicle of vehicle wheel rotation.
Electric automobile and the maximum difference of general-utility car are, instead of gasoline and engine, energy-conserving and environment-protective with vehicle power and motor.Meanwhile, when the electricity of vehicle power is low, only need be provided with the parking lot of charging device and chargeable, compare general-utility car and do not have during oil and must go to gas station, more convenient, and cost is lower.
Realizing in process of the present invention, inventor finds that prior art at least exists following problem:
The charging electric vehicle time concentrates on After Hours, and extensive electric automobile charges simultaneously and brings immense pressure to electrical network.
Summary of the invention
Charge simultaneously bring the problem of immense pressure to electrical network to solve extensive electric automobile in prior art, embodiments provide a kind of charge control method and electric automobile car-mounted terminal.Described technical scheme is as follows:
On the one hand, embodiments provide a kind of charge control method, described method comprises:
Electric automobile car-mounted terminal receives charging control command, described charging control command comprises stopping charging control command, by predetermined power charging instruction or electric discharge instruction, described charging control command generates according to network load situation, described charging control command generates according to under type: network load is divided into multiple grade, when present level represents high load capacity, generate described electric discharge instruction; When present level represents moderate duty, generate described stopping charging control command; When present level represents underload, described in generating, press predetermined power charging control command;
Whether the discharge and recharge condition judgment according to setting allows to perform described charging control command;
Stop charging control command when charging control command comprises, and when described discharge and recharge condition represents permission stopping charging, the charge-discharge machine controlling described electric automobile stops charging to the vehicle power of described electric automobile;
When charging control command comprises by predetermined power charging instruction, and when described discharge and recharge condition represents that permission is charged by predetermined power, the charge-discharge machine controlling described electric automobile charges by the vehicle power of predetermined power to described electric automobile;
When charging control command comprises electric discharge instruction, and when described discharge and recharge condition represents permission electric discharge, control described charge-discharge machine and discharge to described electrical network;
When described charging control command comprises electric discharge instruction, described discharge and recharge condition comprises permission electric discharge, time departure and Expected energy value, and whether the described discharge and recharge condition judgment according to setting allows to perform described charging control command, comprising:
Judge whether the charge value of described vehicle power is greater than Expected energy value;
When the charge value of described vehicle power is greater than Expected energy value, then allow to perform described electric discharge instruction;
The described charge-discharge machine of described control discharges to described electrical network, comprising:
Calculate maximum discharge power according to described time departure, when controlling described charge-discharge machine to described electrical network electric discharge, discharge power is not more than described maximum discharge power.
In a kind of implementation of the embodiment of the present invention, when described charging control command comprises electric discharge instruction, described discharge and recharge condition comprises when whether allowing electric discharge, the minimum electricity of battery, and whether the described discharge and recharge condition judgment according to setting allows to perform described charging control command, comprising:
When described discharge and recharge condition is for allowing to discharge, determine the electricity of described vehicle power;
If the electricity of described vehicle power is greater than the minimum electricity of described battery, then allow to perform described electric discharge instruction.
In the another kind of implementation of the embodiment of the present invention, described charging control command also comprises discharge power, and the described charge-discharge machine of described control discharges to described electrical network, comprising:
Determine that described vehicle power allows the maximum power of releasing, control described charge-discharge machine adopt described allow to release maximum power and described discharge power in less one discharge to described electrical network.
In the another kind of implementation of the embodiment of the present invention, when described charging control command comprises by predetermined power charging instruction, described discharge and recharge condition comprises: when Expected energy value and departure time, and described method also comprises:
Calculate by predetermined power be described vehicle power charge to the described departure time time, the pre-quantity calculation of described vehicle power;
If described pre-quantity calculation is greater than described Expected energy value, then allow to press predetermined power charging instruction described in execution.
On the other hand, the embodiment of the present invention additionally provides a kind of charge control method, and described method comprises:
Obtain network load situation;
Charging control command is generated according to described network load situation, described charging control command comprises stopping charging control command, by predetermined power charging instruction or electric discharge instruction, described charging control command generates according to under type: network load is divided into multiple grade, when present level represents high load capacity, generate described electric discharge instruction; When present level represents moderate duty, generate described stopping charging control command; When present level represents underload, described in generating, press predetermined power charging control command;
Described charging control command is sent to electric automobile car-mounted terminal;
When described charging control command comprises electric discharge instruction, described discharge and recharge condition comprises permission electric discharge, time departure and Expected energy value, and described judge module is used for:
Judge whether the charge value of described vehicle power is greater than Expected energy value;
When the charge value of described vehicle power is greater than Expected energy value, then allow to perform described electric discharge instruction;
Described control module, for calculating maximum discharge power according to described time departure, when controlling described charge-discharge machine to described electrical network electric discharge, discharge power is not more than described maximum discharge power.
On the other hand, the embodiment of the present invention additionally provides a kind of electric automobile car-mounted terminal, and described terminal comprises:
Receiver module, for receiving charging control command, described charging control command comprises stopping charging control command, by predetermined power charging instruction or electric discharge instruction, described charging control command generates according to network load situation, described charging control command generates according to under type: network load is divided into multiple grade, when present level represents high load capacity, generate described electric discharge instruction; When present level represents moderate duty, generate described stopping charging control command; When present level represents underload, described in generating, press predetermined power charging control command;
Whether judge module, for allowing to perform described charging control command according to the discharge and recharge condition judgment of setting;
Control module, for stopping charging control command when control command of charging comprises, and when described discharge and recharge condition represents that permission stops charging, the charge-discharge machine controlling described electric automobile stops charging to the vehicle power of described electric automobile;
When charging control command comprises by predetermined power charging instruction, and when described discharge and recharge condition represents that permission is charged by predetermined power, the charge-discharge machine controlling described electric automobile charges by the vehicle power of predetermined power to described electric automobile;
When charging control command comprises electric discharge instruction, and when described discharge and recharge condition represents permission electric discharge, control described charge-discharge machine and discharge to described electrical network.
In a kind of implementation of the embodiment of the present invention, when described charging control command comprises electric discharge instruction, described discharge and recharge condition comprises when whether allowing electric discharge, the minimum electricity of battery, and described judge module is used for:
When described discharge and recharge condition is for allowing electric discharge, determine the electricity of described vehicle power;
If the electricity of described vehicle power is greater than the minimum electricity of described battery, then allow to perform described electric discharge instruction.
In the another kind of implementation of the embodiment of the present invention, described charging control command also comprises discharge power, described control module, for when the electricity of described vehicle power is greater than described minimum electricity, determine that described vehicle power allows the maximum power of releasing, control described charge-discharge machine adopt described allow to release maximum power and described discharge power in less one discharge to described electrical network.
In the another kind of implementation of the embodiment of the present invention, when described charging control command comprises by predetermined power charging instruction, described discharge and recharge condition comprises: when Expected energy value and departure time, and described judge module is used for:
Calculate by predetermined power be described vehicle power charge to the described departure time time, the pre-quantity calculation of described vehicle power;
If described pre-quantity calculation is greater than described Expected energy value, then allow to press predetermined power charging instruction described in execution.
On the other hand, the embodiment of the present invention additionally provides a kind of charge control system, and described system comprises:
Acquisition module, for obtaining network load situation;
Generation module, for generating charging control command according to described network load situation, described charging control command comprises stopping charging control command, by predetermined power charging instruction or electric discharge instruction, described charging control command generates according to under type: network load is divided into multiple grade, when present level represents high load capacity, generate described electric discharge instruction; When present level represents moderate duty, generate described stopping charging control command; When present level represents underload, described in generating, press predetermined power charging control command;
Sending module, for sending the described charging control command that generation module generates to electric automobile car-mounted terminal.
The beneficial effect that the technical scheme that the embodiment of the present invention provides is brought is:
By in charging electric vehicle process, receive the instruction that charge control system sends, when instruction comprises stopping charging, the charge-discharge machine controlling electric automobile stops charging to the vehicle power of electric automobile; Reduce and bring immense pressure at peak of power consumption charging electric vehicle to electrical network, achieve intelligent charge.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the charge control method flow chart that the embodiment of the present invention one provides;
Fig. 2 is the charge control method flow chart that the embodiment of the present invention two provides;
Fig. 3 is the charge control method flow chart that the embodiment of the present invention three provides;
Fig. 4 is the structural representation of the electric automobile car-mounted terminal that the embodiment of the present invention four provides;
Fig. 5 is the structural representation of the electric automobile car-mounted terminal that the embodiment of the present invention five provides;
Fig. 6 is the structural representation of the charge control system that the embodiment of the present invention six provides.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, embodiment of the present invention is described further in detail.
Embodiment one
Embodiments provide a kind of charge control method, see Fig. 1, the method comprises:
Step 101: electric automobile car-mounted terminal receives charging control command, charging control command comprises stopping charging control command, electric discharge instruction or by predetermined power charging control command, charging control command generates according to network load situation.
Step 102: whether allow to perform charging control command according to the discharge and recharge condition judgment of setting.
Step 103: stop charging control command when charging control command comprises, and when discharge and recharge condition represents permission stopping charging, the charge-discharge machine controlling electric automobile stops charging to the vehicle power of electric automobile;
When charging control command comprises by predetermined power charging instruction, and discharge and recharge condition represents and allows when charge by predetermined power, and the charge-discharge machine of control electric automobile is pressed predetermined power and charged to the vehicle power of electric automobile;
When charging control command comprises electric discharge instruction, and when discharge and recharge condition represents permission electric discharge, control charge-discharge machine and discharge to electrical network.
The embodiment of the present invention is by charging electric vehicle process, receive the instruction that charge control system sends, and whether allow to perform charging control command according to the discharge and recharge condition judgment of setting, charging control command is stopped when charging control command comprises, and discharge and recharge condition represents that when allowing to stop charging, the charge-discharge machine controlling electric automobile stops charging to the vehicle power of electric automobile; When charging control command comprises by predetermined power charging instruction, and discharge and recharge condition represents and allows when charge by predetermined power, and the charge-discharge machine of control electric automobile is pressed predetermined power and charged to the vehicle power of electric automobile; When charging control command comprises electric discharge instruction, and when discharge and recharge condition represents permission electric discharge, control charge-discharge machine and discharge to electrical network; Reduce and bring immense pressure at peak of power consumption charging electric vehicle to electrical network, achieve intelligent charge.
Embodiment two
Embodiments provide a kind of charge control method, see Fig. 2, the method comprises:
Step 201: electric automobile car-mounted terminal receives charging control command, charging control command comprises stopping charging control command, electric discharge instruction or by predetermined power charging control command, charging control command generates according to network load situation.
Particularly, electric automobile car-mounted terminal can receive charging control command by (GeneralPacketRadioService, general packet radio service technology).
Charging control command can generate according to under type: when charge control system detects that network load is comparatively large (such as, exceed setting threshold) time, can generate by predetermined power charging control command or stop charging control command, stopping charging to limit electric automobile by predetermined power charging or control electric automobile.Through after a period of time, if stop charging can't meeting electrical network need for electricity (such as load is still larger), can generate electric discharge instruction, request electric automobile discharges to electrical network.
Again such as, charging control command can also basis generate with under type: network load is divided into multiple grade, when present level represents high load capacity (first threshold higher than setting), generates electric discharge instruction; When present level represents moderate duty (between first threshold and the Second Threshold of setting, first threshold is greater than Second Threshold), generate and stop charging control command; When present level represents underload (lower than Second Threshold), generate and press predetermined power charging control command.
Easily know, before step 201, need electric automobile car-mounted terminal to be connected with electric car power supply.
Step 202: whether allow to perform charging control command according to the discharge and recharge condition judgment of setting.
Particularly, this step 202 can comprise:
The first step: the discharge and recharge condition obtaining user's setting.
In specific implementation, user can adopt and arrange charge and discharge mode to set discharge and recharge condition.That is, first can obtain the charge and discharge mode of user's setting, then according to the corresponding relation of charge and discharge mode and discharge and recharge condition, search the discharge and recharge condition corresponding with this charge and discharge mode.Such as, the condition of charge and discharge mode and discharge and recharge can be as follows: normal mode, allows charging, do not allow electric discharge; Economic model, controls the charging interval according to electricity price information, does not allow electric discharge; Remote mode, allows electric discharge.Certainly, user can also design self-defined pattern by arranging other conditions.
Particularly, in normal mode, namely start to charge as long as vehicle power is connected with electrical network, be full of rear stopping.But, when charge-discharge machine fault or battery failures, charging also can be stopped.
In the economy mode, normally charge when electricity price is low, start charging such as night 11, be full of rear stopping.User also can according to local electricity price information, the amendment charging interval.
Under remote mode and self-defined pattern, electric automobile car-mounted terminal receives charging control command, and according to the discharge and recharge condition that active user sets, judges whether to perform charging control command.This discharge and recharge condition is used for representing whether allow to perform charging control command, discharge and recharge condition is charged except the direct conditions of control command for directly indicating whether to allow to perform except comprising, and can also comprise for indirectly indicating whether the indirect condition allowing to perform charging control command.
Direct conditions comprise whether allow stop charging, whether allow by predetermined power charging and whether allow electric discharge.Indirect condition can comprise the minimum electricity of battery and Expected energy value.
In addition, under self-defined pattern, user can also arrange the discharge and recharge condition such as departure time and Expected energy value, can electric automobile car-mounted terminal can judge, adopt maximum power to charge to the departure time of user's setting, reach Expected energy value, if can not, then point out user to arrange unreasonable.
Second step: whether allow to perform charging control command according to the discharge and recharge condition judgment got.
When judging, first judge whether direct conditions allows to perform charging control command.When direct conditions allows to perform charging control command, and when discharge and recharge condition also comprises indirect condition, judge whether indirect condition allows to perform charging control command.
Particularly, when control command of charging comprises stopping charging control command, if discharge and recharge condition stops charging for allowing, then step 203 is performed.
When control command of charging comprises by predetermined power charging instruction, if discharge and recharge condition presses predetermined power charging for allowing, then perform step 204.
If discharge and recharge condition comprises: allow by predetermined power charging, Expected energy value and departure time, then to perform according to the following steps:
Step one, calculate by predetermined power be vehicle power charge to the departure time time, the pre-quantity calculation of vehicle power;
If the pre-quantity calculation of step 2 is greater than Expected energy value, then perform step 204.
When control command of charging comprises control of discharge instruction, if discharge and recharge condition is for allowing electric discharge, then perform step 205.If discharge and recharge condition comprises: allow electric discharge and the minimum electricity of battery, then perform according to the following steps:
Step one: judge whether user allows electric discharge.
Step 2: when user allows electric discharge, determine the electricity of vehicle power.
Wherein, determine vehicle power electricity, can be obtained by the battery controller be connected with vehicle power.
Step 3: if the electricity of vehicle power is greater than the minimum electricity of battery, then perform step 205.
What deserves to be explained is, when control charge-discharge machine is after electrical network electric discharge certain hour, the electricity of vehicle power reaches minimum electricity, stops electric discharge.
If discharge and recharge condition comprises: allow electric discharge, time departure and Expected energy value, then can perform according to the following steps:
Step one: judge whether the charge value of current vehicle power is greater than Expected energy value.
Step 2: when the charge value of current vehicle power is greater than Expected energy value, performs step 205.
Further, after above-mentioned steps two, maximum discharge power can also be calculated according to time departure, when performing step 205, discharge power is not more than above-mentioned maximum discharge power, thus ensures that the vehicle power charge value of departure time is not less than Expected energy value.
Step 203: stop charging control command when charging control command comprises, and when discharge and recharge condition represents permission stopping charging, the charge-discharge machine controlling electric automobile stops charging to the vehicle power of electric automobile.
Step 204: when charging control command comprises by predetermined power charging instruction, and discharge and recharge condition represents and allows when charge by predetermined power, the charge-discharge machine of control electric automobile is pressed predetermined power and is charged to the vehicle power of electric automobile.
Step 205: when charging control command comprises electric discharge instruction, and when discharge and recharge condition represents permission electric discharge, control charge-discharge machine and discharge to electrical network.
Further, charging control command also comprises discharge power, controls charge-discharge machine and discharges to electrical network, comprising:
Determine that vehicle power allows the maximum power of releasing, control charge-discharge machine and to adopt in the maximum power and discharge power allowing to release less one to discharge to electrical network.
The embodiment of the present invention is by charging electric vehicle process, receive the instruction that charge control system sends, and whether allow to perform charging control command according to the discharge and recharge condition judgment of setting, charging control command is stopped when charging control command comprises, and discharge and recharge condition represents that when allowing to stop charging, the charge-discharge machine controlling electric automobile stops charging to the vehicle power of electric automobile; When charging control command comprises by predetermined power charging instruction, and discharge and recharge condition represents and allows when charge by predetermined power, and the charge-discharge machine of control electric automobile is pressed predetermined power and charged to the vehicle power of electric automobile; When charging control command comprises electric discharge instruction, and when discharge and recharge condition represents permission electric discharge, control charge-discharge machine and discharge to electrical network; Reduce and bring immense pressure at peak of power consumption charging electric vehicle to electrical network, achieve intelligent charge.
Embodiment three
Embodiments provide a kind of charge control method, see Fig. 3, the method comprises:
Step 301: charge control system obtains network load situation.
Step 302: according to network load situation generate charging control command, charging control command comprise stop charging control command, electric discharge instruction or by predetermined power charging control command.
Such as, charge control system can generate charging control command according to under type: when charge control system detects that network load is comparatively large (such as, exceed setting threshold) time, can generate by predetermined power charging control command or stop charging control command, stopping charging to limit electric automobile by predetermined power charging or control electric automobile.Through after a period of time, if stop charging can't meeting electrical network need for electricity (such as load is still larger), can generate electric discharge instruction, request electric automobile discharges to electrical network.When network load recovers normal, recover normal charging process.
Again such as, charge control system can also generate charging control command according to under type: network load is divided into multiple grade, when present level represents high load capacity (first threshold higher than setting), generates electric discharge instruction; When present level represents moderate duty (between first threshold and the Second Threshold of setting, first threshold is greater than Second Threshold), generate and stop charging control command; When present level represents underload (lower than Second Threshold), generate and press predetermined power charging control command.
Step 303: send charging control command.
Particularly, charging control command can be sent by GPRS.
The embodiment of the present invention is passed through according to network load situation, charging control command is sent to electric automobile car-mounted terminal, stop the vehicle power to electric automobile to charge with the charge-discharge machine making electric automobile car-mounted terminal control electric automobile according to charging control command, charge by predetermined power or discharge to electrical network, reduce and bring immense pressure at peak of power consumption charging electric vehicle to electrical network, achieve intelligent charge.
Embodiment four
Embodiments provide a kind of electric automobile car-mounted terminal, see Fig. 4, this terminal comprises:
Receiver module 401, for receiving charging control command, charging control command comprises stopping charging control command, electric discharge instruction or by predetermined power charging control command, charging control command generates according to network load situation;
Judge module 402, performs charging control command for whether allowing according to the discharge and recharge condition judgment of setting;
Control module 403, for stopping charging control command when control command of charging comprises, and when discharge and recharge condition represents that permission stops charging, the charge-discharge machine controlling electric automobile stops charging to the vehicle power of electric automobile;
When charging control command comprises by predetermined power charging instruction, and discharge and recharge condition represents and allows when charge by predetermined power, and the charge-discharge machine of control electric automobile is pressed predetermined power and charged to the vehicle power of electric automobile;
When charging control command comprises electric discharge instruction, and when discharge and recharge condition represents permission electric discharge, control charge-discharge machine and discharge to electrical network.
The embodiment of the present invention is by charging electric vehicle process, receive the instruction that charge control system sends, and whether allow to perform charging control command according to the discharge and recharge condition judgment of setting, charging control command is stopped when charging control command comprises, and discharge and recharge condition represents that when allowing to stop charging, the charge-discharge machine controlling electric automobile stops charging to the vehicle power of electric automobile; When charging control command comprises by predetermined power charging instruction, and discharge and recharge condition represents and allows when charge by predetermined power, and the charge-discharge machine of control electric automobile is pressed predetermined power and charged to the vehicle power of electric automobile; When charging control command comprises electric discharge instruction, and when discharge and recharge condition represents permission electric discharge, control charge-discharge machine and discharge to electrical network; Reduce and bring immense pressure at peak of power consumption charging electric vehicle to electrical network, achieve intelligent charge.
Embodiment five
Embodiments provide a kind of electric automobile car-mounted terminal, see Fig. 5, this terminal comprises: receiver module 501, judge module 502 and control module 503;
Wherein, receiver module 501, for receiving the charging control command that charge control system sends, charging control command comprises stopping charging control command, electric discharge instruction or by predetermined power charging control command, charging control command generates according to network load situation.
Particularly, receiver module 501 this comprise GPRS communication unit, this GPRS communication unit be used for communicate with charge control system, thus receive charging control command.
Charging control command can generate according to under type: when charge control system detects that network load is comparatively large (such as, exceed setting threshold) time, can generate by predetermined power charging control command or stop charging control command, stopping charging to limit electric automobile by predetermined power charging or control electric automobile.Through after a period of time, if stop charging can't meeting electrical network need for electricity (such as load is still larger), can generate electric discharge instruction, request electric automobile discharges to electrical network.
Again such as, charging control command can also basis generate with under type: network load is divided into multiple grade, when present level represents high load capacity (first threshold higher than setting), generates electric discharge instruction; When present level represents moderate duty (between first threshold and the Second Threshold of setting, first threshold is greater than Second Threshold), generate and stop charging control command; When present level represents underload (lower than Second Threshold), generate and press predetermined power charging control command.
Judge module 502, performs charging control command for whether allowing according to the discharge and recharge condition judgment of setting.
Control module 503, for stopping charging control command when control command of charging comprises, and when discharge and recharge condition represents that permission stops charging, the charge-discharge machine controlling electric automobile stops charging to the vehicle power of electric automobile;
When charging control command comprises by predetermined power charging instruction, and discharge and recharge condition represents and allows when charge by predetermined power, and the charge-discharge machine of control electric automobile is pressed predetermined power and charged to the vehicle power of electric automobile;
When charging control command comprises electric discharge instruction, and when discharge and recharge condition represents permission electric discharge, control charge-discharge machine and discharge to electrical network.
Wherein, control module 503 is electrically connected with battery controller and charge-discharge machine by CAN, thus determines vehicle power electricity, and controls charge-discharge machine charge or discharge.
Particularly, this judge module 502 can comprise:
Acquiring unit 5021, for obtaining the discharge and recharge condition of user's setting.
In specific implementation, user can adopt and arrange charge and discharge mode to set discharge and recharge condition.That is, first can obtain the charge and discharge mode of user's setting, then according to the corresponding relation of charge and discharge mode and discharge and recharge condition, search the discharge and recharge condition corresponding with this charge and discharge mode.Such as, the condition of charge and discharge mode and discharge and recharge can be as follows: normal mode, allows charging, do not allow electric discharge; Economic model, controls the charging interval according to electricity price information, does not allow electric discharge; Remote mode, allows electric discharge.Certainly, user can also design self-defined pattern by arranging other conditions.
Particularly, in normal mode, namely start to charge as long as vehicle power is connected with electrical network, be full of rear stopping.But, when charge-discharge machine fault or battery failures, charging also can be stopped.
In the economy mode, normally charge when electricity price is low, start charging such as night 11, be full of rear stopping.User also can according to local electricity price information, the amendment charging interval.
Under remote mode and self-defined pattern, electric automobile car-mounted terminal receives charging control command, and according to the discharge and recharge condition that active user sets, judges whether to perform charging control command.This discharge and recharge condition is used for representing whether allow to perform charging control command, discharge and recharge condition is charged except the direct conditions of control command for directly indicating whether to allow to perform except comprising, and can also comprise for indirectly indicating whether the indirect condition allowing to perform charging control command.
Whether direct conditions comprises permission and stops charging, allow by predetermined power charging and whether allow electric discharge.Indirect condition can comprise the minimum electricity of battery and Expected energy value.
In addition, under self-defined pattern, user can also arrange the discharge and recharge condition such as departure time and Expected energy value, can electric automobile car-mounted terminal can judge, adopt maximum power to charge to the departure time of user's setting, reach Expected energy value, if can not, then point out user to arrange unreasonable.
Judging unit 5022, performs charging control command for whether allowing according to the discharge and recharge condition judgment got.
When judging, judging unit first judges whether direct conditions allows to perform charging control command.When direct conditions allows to perform charging control command, and when discharge and recharge condition also comprises indirect condition, judge whether indirect condition allows to perform charging control command.
Particularly, when control command of charging comprise stop charging control command time, if judging unit 5022 judges that discharge and recharge condition stops charging, control module 503 for allowing, charge to the vehicle power of electric automobile for the charge-discharge machine stopping controlling electric automobile.
When control command of charging comprises by predetermined power charging instruction, if judging unit 5022 judges that discharge and recharge condition is charged by predetermined power as allowing, then control module 503, charges by the vehicle power of predetermined power to electric automobile for the charge-discharge machine controlling electric automobile.If discharge and recharge condition comprises: allow to charge by predetermined power, Expected energy value and departure time, then judging unit 5022 calculate by predetermined power be vehicle power charge to the departure time time, the pre-quantity calculation of vehicle power; If judging unit 5022 judges that pre-quantity calculation is greater than Expected energy value, then control module 503, charge by the vehicle power of predetermined power to electric automobile for the charge-discharge machine controlling electric automobile.
When control command of charging comprises control of discharge instruction, if judging unit 5022 judges that discharge and recharge condition is as allowing electric discharge, then control module 503, discharges to electrical network for controlling charge-discharge machine.If discharge and recharge condition comprises: allow electric discharge and the minimum electricity of battery, then judging unit 5022 determines the electricity of vehicle power; If the electricity of vehicle power is greater than the minimum electricity of battery, then control module 503, discharge to electrical network for controlling charge-discharge machine.If discharge and recharge condition comprises: allow electric discharge, time departure and Expected energy value, then judging unit 5022 judges whether the charge value of current vehicle power is greater than Expected energy value; If the charge value of current vehicle power is greater than Expected energy value, then control module 503, discharges to electrical network for controlling charge-discharge machine.
Further, judging unit 5022 is after judging that the charge value of current vehicle power is greater than Expected energy value, maximum discharge power can also be calculated according to time departure, control module 503 is when controlling charge-discharge machine and discharging to electrical network, discharge power is not more than above-mentioned maximum discharge power, thus ensures that the vehicle power charge value of departure time is not less than Expected energy value.
Wherein, determine vehicle power electricity, can be obtained by the battery controller be connected with vehicle power.
Further, charging control command also comprises discharge power, control module 503, for:
Determine that vehicle power allows the maximum power of releasing, control charge-discharge machine and to adopt in the maximum power and discharge power allowing to release less one to discharge to electrical network.
The embodiment of the present invention is by charging electric vehicle process, receive the instruction that charge control system sends, and whether allow to perform charging control command according to the discharge and recharge condition judgment of setting, charging control command is stopped when charging control command comprises, and discharge and recharge condition represents that when allowing to stop charging, the charge-discharge machine controlling electric automobile stops charging to the vehicle power of electric automobile; When charging control command comprises by predetermined power charging instruction, and discharge and recharge condition represents and allows when charge by predetermined power, and the charge-discharge machine of control electric automobile is pressed predetermined power and charged to the vehicle power of electric automobile; When charging control command comprises electric discharge instruction, and when discharge and recharge condition represents permission electric discharge, control charge-discharge machine and discharge to electrical network; Reduce and bring immense pressure at peak of power consumption charging electric vehicle to electrical network, achieve intelligent charge.
Embodiment six
Embodiments provide a kind of charge control system, see Fig. 6, this system comprises:
Acquisition module 601, for obtaining network load situation.
Generation module 602, for according to network load situation generate charging control command, charging control command comprise stop charging control command, electric discharge instruction or by predetermined power charging control command.
Such as, charge control system can generate charging control command according to under type: when charge control system detects that network load is comparatively large (such as, exceed setting threshold) time, can generate by predetermined power charging control command or stop charging control command, stopping charging to limit electric automobile by predetermined power charging or control electric automobile.Through after a period of time, if stop charging can't meeting electrical network need for electricity (such as load is still larger), can generate electric discharge instruction, request electric automobile discharges to electrical network.When network load recovers normal, recover normal charging process.
Again such as, charge control system can also generate charging control command according to under type: network load is divided into multiple grade, when present level represents high load capacity (first threshold higher than setting), generates electric discharge instruction; When present level represents moderate duty (between first threshold and the Second Threshold of setting, first threshold is greater than Second Threshold), generate and stop charging control command; When present level represents underload (lower than Second Threshold), generate and press predetermined power charging control command.
Sending module 603, for sending the charging control command that generation module generates.Particularly, sending module 603 comprises GPRS communication unit, and this GPRS communication unit is used for communicating with car-mounted terminal.
The embodiment of the present invention is passed through according to network load situation, charging control command is sent to electric automobile car-mounted terminal, stop the vehicle power to electric automobile to charge with the charge-discharge machine making electric automobile car-mounted terminal control electric automobile according to charging control command, charge by predetermined power or discharge to electrical network, reduce and bring immense pressure at peak of power consumption charging electric vehicle to electrical network, achieve intelligent charge.
The invention described above embodiment sequence number, just to describing, does not represent the quality of embodiment.
One of ordinary skill in the art will appreciate that all or part of step realizing above-described embodiment can have been come by hardware, the hardware that also can carry out instruction relevant by program completes, described program can be stored in a kind of computer-readable recording medium, the above-mentioned storage medium mentioned can be read-only memory, disk or CD etc.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (8)

1. a charge control method, is characterized in that, described method comprises:
Electric automobile car-mounted terminal receives charging control command, described charging control command comprises stopping charging control command, by predetermined power charging instruction or electric discharge instruction, described charging control command generates according to network load situation, described charging control command generates according to under type: network load is divided into multiple grade, when present level represents high load capacity, generate described electric discharge instruction; When present level represents moderate duty, generate described stopping charging control command; When present level represents underload, described in generating, press predetermined power charging control command;
Whether the discharge and recharge condition judgment according to setting allows to perform described charging control command;
Stop charging control command when charging control command comprises, and when described discharge and recharge condition represents permission stopping charging, the charge-discharge machine controlling described electric automobile stops charging to the vehicle power of described electric automobile;
When charging control command comprises by predetermined power charging instruction, and when described discharge and recharge condition represents that permission is charged by predetermined power, the charge-discharge machine controlling described electric automobile charges by the vehicle power of predetermined power to described electric automobile;
When charging control command comprises electric discharge instruction, and when described discharge and recharge condition represents permission electric discharge, control described charge-discharge machine and discharge to described electrical network;
When described charging control command comprises electric discharge instruction, described discharge and recharge condition comprises permission electric discharge, time departure and Expected energy value, and whether the described discharge and recharge condition judgment according to setting allows to perform described charging control command, comprising:
Judge whether the charge value of described vehicle power is greater than Expected energy value;
When the charge value of described vehicle power is greater than Expected energy value, then allow to perform described electric discharge instruction;
The described charge-discharge machine of described control discharges to described electrical network, comprising:
Calculate maximum discharge power according to described time departure, when controlling described charge-discharge machine to described electrical network electric discharge, discharge power is not more than described maximum discharge power.
2. method according to claim 1, it is characterized in that, when described charging control command comprises electric discharge instruction, described discharge and recharge condition comprises when whether allowing electric discharge, the minimum electricity of battery, whether the described discharge and recharge condition judgment according to setting allows to perform described charging control command, comprising:
When described discharge and recharge condition is for allowing to discharge, determine the electricity of described vehicle power;
If the electricity of described vehicle power is greater than the minimum electricity of described battery, then allow to perform described electric discharge instruction.
3. method according to claim 2, is characterized in that, described charging control command also comprises discharge power, and the described charge-discharge machine of described control discharges to described electrical network, comprising:
Determine that described vehicle power allows the maximum power of releasing, control described charge-discharge machine adopt described allow to release maximum power and described discharge power in less one discharge to described electrical network.
4. method according to claim 2, is characterized in that, when described charging control command comprises by predetermined power charging instruction, described discharge and recharge condition comprises: when Expected energy value and departure time, and described method also comprises:
Calculate by predetermined power be described vehicle power charge to the described departure time time, the pre-quantity calculation of described vehicle power;
If described pre-quantity calculation is greater than described Expected energy value, then allow to press predetermined power charging instruction described in execution.
5. an electric automobile car-mounted terminal, is characterized in that, described terminal comprises:
Receiver module, for receiving charging control command, described charging control command comprises stopping charging control command, by predetermined power charging instruction or electric discharge instruction, described charging control command generates according to network load situation, described charging control command generates according to under type: network load is divided into multiple grade, when present level represents high load capacity, generate described electric discharge instruction; When present level represents moderate duty, generate described stopping charging control command; When present level represents underload, described in generating, press predetermined power charging control command;
Whether judge module, for allowing to perform described charging control command according to the discharge and recharge condition judgment of setting;
Control module, for stopping charging control command when control command of charging comprises, and when described discharge and recharge condition represents that permission stops charging, the charge-discharge machine controlling described electric automobile stops charging to the vehicle power of described electric automobile;
When charging control command comprises by predetermined power charging instruction, and when described discharge and recharge condition represents that permission is charged by predetermined power, the charge-discharge machine controlling described electric automobile charges by the vehicle power of predetermined power to described electric automobile;
When charging control command comprises electric discharge instruction, and when described discharge and recharge condition represents permission electric discharge, control described charge-discharge machine and discharge to described electrical network;
When described charging control command comprises electric discharge instruction, described discharge and recharge condition comprises permission electric discharge, time departure and Expected energy value, and described judge module is used for:
Judge whether the charge value of described vehicle power is greater than Expected energy value;
When the charge value of described vehicle power is greater than Expected energy value, then allow to perform described electric discharge instruction;
Described control module, for calculating maximum discharge power according to described time departure, when controlling described charge-discharge machine to described electrical network electric discharge, discharge power is not more than described maximum discharge power.
6. terminal according to claim 5, is characterized in that, when described charging control command comprises electric discharge instruction, described discharge and recharge condition comprises when whether allowing electric discharge, the minimum electricity of battery, and described judge module is used for:
When described discharge and recharge condition is for allowing electric discharge, determine the electricity of described vehicle power;
If the electricity of described vehicle power is greater than the minimum electricity of described battery, then allow to perform described electric discharge instruction.
7. terminal according to claim 6, it is characterized in that, described charging control command also comprises discharge power, described control module, for when the electricity of described vehicle power is greater than described minimum electricity, determine that described vehicle power allows the maximum power of releasing, control described charge-discharge machine adopt described allow to release maximum power and described discharge power in less one discharge to described electrical network.
8. terminal according to claim 6, is characterized in that, when described charging control command comprises by predetermined power charging instruction, described discharge and recharge condition comprises: when Expected energy value and departure time, and described judge module is used for:
Calculate by predetermined power be described vehicle power charge to the described departure time time, the pre-quantity calculation of described vehicle power;
If described pre-quantity calculation is greater than described Expected energy value, then allow to press predetermined power charging instruction described in execution.
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