CN102903186B - Electromobile charging pile and operating method thereof - Google Patents
Electromobile charging pile and operating method thereof Download PDFInfo
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Abstract
The invention provides an electromobile charging pile and an operating method thereof. The charging pile comprises a control unit, an energy storage module, a communication module, an energy scheduling module and an output interface, wherein the control unit is connected with the communication module, the energy scheduling module and the output interface, and the energy storage module and the energy scheduling module are connected with each other; the energy storage module stores electric energy; the communication module communicates with a distribution network system and receives a command of the distribution network system, wherein the command of the distribution network system includes the network load situation; the energy scheduling module determines an electric energy supplement source of the charging pile according to the network load situation, the energy storage module situation and the user need; and the output interface determines the electric energy supplement source according to the energy scheduling module and outputs the power of the grid or the power provided by the grid and energy storage module to the electromobile of a user.
Description
Technical field
The present invention relates to electric automobile and fill and change electro-technical field, be specifically related to a kind of electric automobile charging pile and operation method thereof.
Background technology
Electric automobile, particularly pure electric automobile, take electric power as the energy, have low, the energy service efficiency advantages of higher of discharge, is the main selection of replacing fuel oil automobile.Under the situation becoming increasingly conspicuous in global energy and environmental problem, Development of EV becomes breaks away from the important channel that petroleum resources relied on, realized energy-saving and emission-reduction, alleviate energy environment issues.One of core technology on electric automobile is exactly energy reserves and feed system, and the use of accumulator and quick-replaceable technology and electric automobile fill electrical changing station technology becomes the gordian technique of electric vehicle industrialization development.
In prior art, fill some problems that the service network infrastructure constructions such as electrical changing station occur, construction restriction degree to whole operation service network is increasing, the problem that prior art exists comprises: one, urban land anxiety, and electric automobile fills electrical changing station construction and is faced with and dwindles how as far as possible floor area, improve the problem of effectively utilizing area, optimizing the planning of electric automobile service network; Two, electric automobile fills electrical changing station construction and need go through premenarcheal Site Selection, expropriation of land declaration, and the foundation construction thing in mid-term is built, and in three root phases such as the rigging up and debugging in later stage, the entirety construction period is consuming time longer; Three, electric automobile power battery is limited by running environment factor, and build at present to fill electrical changing station battery charging storage environment all not ideal enough, also not yet accomplish good constant temperature, low humidity, ventilation and dust-proof effect, electrokinetic cell is for a long time in the middle of comparatively open environment, easily be subject to Seasonal and Vehicle Driving Cycle to damage the impact of clean environment in station, cause battery status rate of good lower, serviceable life is shorter, and efficiency for charge-discharge is unstable.
Summary of the invention
A kind of electric automobile charging pile provided by the invention, described charging pile comprises control module, energy-storage module, communication module, energy scheduler module and output interface, communication module, energy scheduler module and output interface described in described control module control linkage, described energy-storage module and described energy scheduler module interconnect; Described energy-storage module storage of electrical energy; Described communication module is communicated by letter with distribution network system, accepts the instruction of described distribution network system, comprises network load situation in the instruction of described distribution network system; Described energy scheduler module is determined the electric energy Source Of Supply of charging pile according to described network load situation, energy-storage module situation and user's request; Described output interface determines that according to described energy scheduler module the power supply that electric energy Source Of Supply provides electrical network or electrical network and energy-storage module exports to user's electric automobile.
In the first preferred embodiment provided by the invention: described communication module comprises GPRS interface, supports TCP/IP Ethernet interface, CAN bus communication interface, plc communication interface, Zigbee bus communication interface and 3G, 4G wireless communication interface.
In the second preferred embodiment provided by the invention: described charging pile comprises charging metering module and the module of swiping the card;
Described charging metering module comprises energy-storage module energy accounting module and charging electric vehicle energy accounting module;
Described energy-storage module energy accounting module for carrying out charging to described energy-storage module energy in the situation that described energy-storage module participates in charging work;
Described charging electric vehicle energy accounting module is for carrying out charging according to described energy-storage module energy accounting module and electrical network consumption electric energy to the energy of user's charging electric vehicle;
The described module of swiping the card is in the time that described user's electric automobile starts charging, the identity of described user's electric automobile being identified, and charging finishes the expense of the energy of the rear charging electric vehicle that described charging metering module is calculated and settles accounts.
In the 3rd preferred embodiment provided by the invention: described charging pile comprises human-machine interface module;
Described human-machine interface module comprises display screen, and described display screen is shown charging process voltage, electric weight and electric current to user, duration of charging, the information of charging expense.
In the 4th preferred embodiment provided by the invention: described charging pile comprises charging process protection module, described charging process protection module carries out earth leakage protection and overcurrent protection to described charging pile and described user's electric automobile.
In the 5th preferred embodiment provided by the invention: described energy-storage module is for utilizing electrical network or utilize sun power to carry out power storage in the electrical network low ebb moment, comprise and discharge and recharge control module, photovoltaic generating module, PWM module, DC/DC modules A, DC/DC module B and energy-storage units, described energy scheduler module with described in discharge and recharge control module, energy-storage units and DC/DC modules A and be connected;
The transform light energy of the sun is become electric energy by described photovoltaic generating module, is variable DC voltage by described DC/DC modules A by fixing DC voltage conversion, sends into described energy-storage units and store;
Describedly discharge and recharge PWM module and described DC/DC module B described in control module control linkage, the electric energy that the electrical network low ebb moment sends described energy-storage module to converts alternating current to direct current through described PWM module, be variable DC voltage by described DC/DC module B by fixing DC voltage conversion, send into described energy-storage units and store.
In the 6th preferred embodiment provided by the invention: described energy-storage units comprises electrokinetic cell and super capacitor, described electrokinetic cell is dynamic lithium battery;
The capacity Q of described dynamic lithium battery is:
Wherein, U
2lfor electrokinetic cell voltage on car, t is the duration of charging, and h is duration of charging modified value, U
1lfor energy-storage battery SOC is 15% corresponding energy-storage module terminal voltage;
The capacitance C of described super capacitor is:
Wherein, U
2electrokinetic cell terminal voltage when constant-current phase transfers constant-voltage phase in charging process, U
1for power battery charging starting potential, I is constant-current phase current value, and Δ I is constant voltage process electric current decline step-length, t
1for constant-current charge duration, Δ t is the corresponding time of electric current decline Δ I,
for the umber of little time period of constant-voltage phase decile, t is the total duration of constant-voltage phase.
The operation method that a kind of charging pile is provided in the 7th preferred embodiment provided by the invention, described charging pile comprises charging pile provided by the invention, described method comprises:
Step S1, described charging pile starts charging according to the charging demand of user's electric automobile;
Step S2, the instruction that judges whether to receive distribution network system, be, execution step S3, no, be that described user's electric automobile directly charges according to the electric energy of the charging demand utilization electrical network of described user's electric automobile;
Step S3, calculated load difference, the load that the charging demand that described load difference is described user's electric automobile and electrical network can provide poor, judge described load difference be whether on the occasion of, be, execution step S4, no, directly charge for user's electric automobile according to the electric energy of the charging demand utilization electrical network of described user's electric automobile;
Step S4, determines the discharge current of energy-storage module according to the rated power of Vehicular charger and the acceptable discharge-rate of energy-storage module.
In the 8th preferred embodiment provided by the invention: after the start time point of the energy-storage module that described step S4 determines described charging pile as charge power supply, described energy-storage module comprises the process of described user's charging electric vehicle:
Step S401, judges whether the SOC value of the electrokinetic cell of described energy-storage module is greater than recommended value, is execution step S402; No, execution step S403;
Step S402, energy-storage module charges until charging process finishes to user's Rechargeable vehicle, in charging process, continues to judge whether the SOC value of electrokinetic cell is greater than recommended value, does not meet and is greater than recommended value, execution step S403 once the SOC value of electrokinetic cell;
Step S403, judges currently whether reach user power utilization needs, if do not met, superior supervisory system application charging load carries out AC charging to described user's electric automobile.
In the 9th preferred embodiment provided by the invention: it is for fear of battery deep discharge that the SOC value that described electrokinetic cell is set is greater than recommended value, and described recommended value is 15%.
In the tenth preferred embodiment provided by the invention: energy-storage module described in described step S402 charges and detects described electrical network now whether in the flat peak phase simultaneously described user's Rechargeable vehicle, if in the flat peak phase, stopping described energy-storage module charges to described user's Rechargeable vehicle, adopt described electrical network to charge to described user's Rechargeable vehicle, if described electrical network, in load peak, adopts described energy-storage module to charge to described user's Rechargeable vehicle in charging process always.
In the 11 preferred embodiment provided by the invention: judge in described step S403 that current reaching when user power utilization needs performs step S5, charges to described energy-storage module.
In the 12 preferred embodiment provided by the invention: whether real-time judge energy-storage module reaches energy storage requirement, while not reaching, execution step S5, charges to described energy-storage module.
In the 13 preferred embodiment provided by the invention: described step S5 comprises:
Step S501, judges whether photovoltaic generating module can work, and is, execution step S502 is no, allow by described electrical network, described energy-storage module to be charged when described energy-storage module is charged in described network load situation, and execution step S504;
Step S502, judges whether electrical network charges to described energy-storage module, if it is stops the charging of electrical network to described energy-storage module, execution step S503;
Step S503, starts described photovoltaic generating module described energy-storage module is charged, execution step S504;
Step S504 stops charging in the time reaching energy-storage module energy storage requirement.
The beneficial effect of a kind of electric automobile charging pile provided by the invention and operation method thereof comprises:
1, electric automobile charging pile provided by the invention and operation method thereof, this charging pile comprises energy-storage module and communication module, being controlled by same management platform manages, accept the instruction of distribution network system, while not meeting charging electric vehicle demand due to electrical network reason, can charge to user's electric automobile with energy-storage module, play an active part in electrical network friendly interactive.
2, charging pile also comprises energy scheduler module, and this energy scheduler module is determined the electric energy Source Of Supply of charging pile according to network load situation, energy-storage module situation and user's request.
3, energy-storage module can utilize electrical network or utilize sun power to carry out power storage in the electrical network low ebb moment.
4, charging pile comprise charging metering module, the module of swiping the card, human-machine interface module and charging process protection module, charging metering module is for carrying out charging to the energy of user's charging electric vehicle, the module of swiping the card is for the identity of user's electric automobile is identified, and charging finishes the expense of the rear energy to charging electric vehicle and settles accounts; Human-machine interface module is shown charging process voltage, electric weight and electric current to user, duration of charging, the information such as charging expense; Charging process protection module carries out earth leakage protection and overcurrent protection.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of charging pile provided by the invention;
Fig. 2 is the structural representation of the embodiment of a kind of charging pile provided by the invention;
Fig. 3 is the method flow diagram of the operation method of a kind of charging pile provided by the invention;
Fig. 4 is the process flow diagram of energy-storage module provided by the invention to user's charging electric vehicle;
Fig. 5 is the process flow diagram of energy-storage module charging provided by the invention.
Embodiment
A kind of electric automobile charging pile provided by the invention and operation method thereof, the structural representation of this charging pile as shown in Figure 1, comprise control module, energy-storage module, communication module, energy scheduler module and output interface, control module control linkage communication module, energy scheduler module and output interface, energy-storage module and energy scheduler module interconnect.
Energy-storage module storage of electrical energy.
Communication module is communicated by letter with distribution network system, accepts the instruction of this distribution network system, comprises network load situation in the instruction of this distribution network system.
Energy scheduler module is determined the electric energy Source Of Supply of charging pile according to network load situation, energy-storage module situation and user's request.
The power supply that output interface provides electrical network or electrical network and energy-storage module according to the definite electric energy Source Of Supply of energy scheduler module is exported to electric automobile.
Embodiment mono-:
The embodiment that embodiment mono-provided by the invention is a kind of electric automobile charging pile; the structural representation of the embodiment of this charging pile as shown in Figure 2; comprise control module, energy-storage module, communication module, energy scheduler module, output interface, charging metering module, the module of swiping the card, human-machine interface module and charging process protection module; control module control linkage communication module, energy scheduler module, output interface, charging metering module, the module of swiping the card, human-machine interface module and charging process protection module, energy-storage module and energy scheduler module interconnect.
Communication module comprises GPRS interface, supports TCP/IP Ethernet interface, CAN bus communication interface, PLC(Programmable Logic Controller, programmable logic controller (PLC)) communication interface, Zigbee bus communication interface and 3G, 4G wireless communication interface.
Charging metering module comprises energy-storage module energy accounting module and charging electric vehicle energy accounting module, energy-storage module energy accounting module carries out charging for energy-storage module being carried out to energy in the situation that energy-storage module participates in charging work, and charging electric vehicle energy accounting module is for carrying out charging according to energy-storage module energy accounting module and electrical network consumption electric energy to the energy of charging electric vehicle.
When the module of swiping the card is charged for starting user, charging user's identity is identified, charging finishes the expense of the energy of the rear charging electric vehicle that charging metering module is calculated and settles accounts.
Human-machine interface module comprises display screen, and this display screen is shown charging process voltage, electric weight and electric current to user, duration of charging, the information such as charging expense.
Charging process protection module carries out earth leakage protection and overcurrent protection to charging pile and charging electric automobile.
Energy-storage module comprises and discharges and recharges control module, photovoltaic generating module, PWM(Pulse Width Modulation, pulse-length modulation) module, DC/DC modules A, DC/DC module B and energy-storage units, energy scheduler module with discharge and recharge control module, energy-storage units and DC/DC modules A and be connected.
Energy-storage module is for utilizing electrical network or utilize sun power to carry out power storage in the electrical network low ebb moment, the transform light energy of the sun is become electric energy by photovoltaic generating module, be variable DC voltage by DC/DC modules A by fixing DC voltage conversion, send into energy-storage units and store.Discharge and recharge control module control linkage PWM module and DC/DC module B, the electric energy that the electrical network low ebb moment sends energy-storage module to converts alternating current to direct current through PWM module, by DC/DC module, B is variable DC voltage by fixing DC voltage conversion, sends into energy-storage units and stores.
Energy-storage units comprises electrokinetic cell and super capacitor, realizes the secondary utilization of electrokinetic cell.Wherein, electrokinetic cell is dynamic lithium battery, and the capacitance C of super capacitor is:
Wherein, U
2electrokinetic cell terminal voltage when constant-current phase transfers constant-voltage phase in charging process, U
1for power battery charging starting potential, I is constant-current phase current value, and Δ I is constant voltage process electric current decline step-length, t
1for constant-current charge duration, Δ t is the corresponding time of electric current decline Δ I,
for the umber of little time period of constant-voltage phase decile, t is the total duration of constant-voltage phase.
The capacity Q of dynamic lithium battery is:
Wherein U
2lfor electrokinetic cell voltage on car, t is the duration of charging, and h is duration of charging modified value, U
1lfor energy-storage module terminal voltage (energy-storage battery SOC is 15% corresponding voltage).
Embodiment bis-:
The operation method that embodiment bis-provided by the invention is a kind of charging pile provided by the invention, charging pile is controlled by same management platform and manages, in the normal situation of electrical network, the external power that charging pile is provided by electrical network carries out electric energy supply to user's electric automobile, in the time that network load is larger, can be by energy-storage module to user's charging electric vehicle, the process flow diagram of this operation method as shown in Figure 3, comprising:
Step S1, charging pile starts charging according to the charging demand of user's electric automobile.
Step S2, the instruction that judges whether to receive distribution network system, be, execution step S3, no, directly charge for user's electric automobile according to the electric energy of the charging demand utilization electrical network of user's electric automobile.
When network load is larger, distribution network system sends instructions under charging pile, comprises the load that current electrical network can provide in this instruction.
Step S3, calculated load difference, the load that the charging demand that this load difference is user's electric automobile and electrical network can provide poor, judge this load difference be whether on the occasion of, be, execution step S4, no, directly charge for user's electric automobile according to the electric energy of the charging demand utilization electrical network of user's electric automobile.
Step S4, determines the discharge current of energy-storage module according to the rated power of Vehicular charger and the acceptable discharge-rate of energy-storage module.
Preferably, after determining the start time point of energy-storage module as charge power supply in step S4, energy-storage module to the process flow diagram of user's charging electric vehicle as shown in Figure 4, comprising:
Step S401, when arrival energy-storage module is made the start time point of charge power supply, judge the SOC(state of charge of the electrokinetic cell of energy-storage module, state-of-charge, the ratio of the capacity of the residual capacity charged state complete with it of accumulator) whether value be greater than recommended value, be execution step S402; No, execution step S403.
It is for fear of battery deep discharge that the SOC value that electrokinetic cell is set is greater than recommended value, extends the energy-storage battery life-span, and preferred, this recommended value is 15%.
Step S402, energy-storage module charges until charging process finishes to user's Rechargeable vehicle, in charging process, continues to judge whether the SOC value of electrokinetic cell is greater than recommended value, does not meet and is greater than recommended value, execution step S403 once the SOC value of electrokinetic cell.
Preferably, when in step S402, energy-storage module charges to user's Rechargeable vehicle, whether detection of grid is now in the flat peak phase, if in the flat peak phase, stop energy-storage module to user's charging electric vehicle, adopt electrical network to charge to user's electric automobile, if electrical network, in load peak, adopts energy-storage module to charge to user's electric automobile in charging process always.Make user adopt as far as possible electrical network electric energy to charge, the energy consuming when reducing stored energy and discharging, reduces electrokinetic cell and discharges and recharges number of times as far as possible, increases the life-span of battery.
Step S403, judges currently whether reach user power utilization needs, if do not met, superior supervisory system application electrical network carries out AC charging to user's electric automobile.
The operation method of a kind of charging pile that embodiments of the invention two provide, if the charging demand of user's electric automobile is greater than the load value that this moment electrical network can provide while starting charging task, by energy-storage module, user's electric automobile is charged, and calculate the start time point of energy-storage module as charge power supply.
In the time reaching energy-storage module as the start time point of charge power supply, if now energy-storage module can not charge to user's electric automobile, and because the load of electrical network is real-time change, so also need to judge again the current user power utilization needs that whether reach, if now also do not reach user's electricity consumption needs, the application of superior supervisory system is carried out AC charging to user's electric automobile.
If reached user power utilization needs, because the SOC value of current energy-storage module is less than recommended value, can not charge to user's electric automobile, so also comprise step S5, energy-storage module is charged.
The process that step S5 charges to energy-storage module as shown in Figure 5, comprising:
Step S501, judges whether photovoltaic generating module can work, and is, execution step S502 is no, allow by electrical network, energy-storage module to be charged when energy-storage module is charged in network load situation, and execution step S504.
Photovoltaic generating module is connecting energy-storage units and energy scheduler module, can start to energy-storage units is carried out energy storage or is directly user's charging electric vehicle in the time that external environment meets duty.
Step S502, judges whether electrical network charges to energy-storage module, if it is stops electrical network energy-storage module is charged, execution step S503.
Step S503, starts photovoltaic generating module energy-storage module is charged, execution step S504.
Step S504 stops charging in the time reaching energy-storage module energy storage requirement.
Charging pile, in operational process, also can be monitored the energy storage situation of energy-storage module in real time, in the time that energy-storage module does not reach energy storage requirement, energy-storage module is charged, and therefore, before above-mentioned steps S501, also comprises:
Step S501 ', whether real-time judge energy-storage module reaches energy storage requirement, performs step S501 while not reaching.
Finally should be noted that: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit, although the present invention is had been described in detail with reference to above-described embodiment, those of ordinary skill in the field are to be understood that: still can modify or be equal to replacement the specific embodiment of the present invention, and do not depart from any modification of spirit and scope of the invention or be equal to replacement, it all should be encompassed in the middle of claim scope of the present invention.
Claims (12)
1. an electric automobile charging pile, it is characterized in that, described charging pile comprises control module, energy-storage module, communication module, energy scheduler module and output interface, communication module, energy scheduler module and output interface described in described control module control linkage, described energy-storage module and described energy scheduler module interconnect;
Described energy-storage module storage of electrical energy;
Described communication module is communicated by letter with distribution network system, accepts the instruction of described distribution network system, comprises network load situation in the instruction of described distribution network system;
Described energy scheduler module is determined the electric energy Source Of Supply of charging pile according to described network load situation, energy-storage module situation and user's request;
Described output interface determines that according to described energy scheduler module the power supply that electric energy Source Of Supply provides electrical network or electrical network and energy-storage module exports to user's electric automobile;
Described energy-storage module is for utilizing electrical network or utilize sun power to carry out power storage in the electrical network low ebb moment, comprise and discharge and recharge control module, photovoltaic generating module, PWM module, DC/DC modules A, DC/DC module B and energy-storage units, described energy scheduler module with described in discharge and recharge control module, energy-storage units and DC/DC modules A and be connected;
The transform light energy of the sun is become electric energy by described photovoltaic generating module, is variable DC voltage by described DC/DC modules A by fixing DC voltage conversion, sends into described energy-storage units and store;
Describedly discharge and recharge PWM module and described DC/DC module B described in control module control linkage, the electric energy that the electrical network low ebb moment sends described energy-storage module to converts alternating current to direct current through described PWM module, be variable DC voltage by described DC/DC module B by fixing DC voltage conversion, send into described energy-storage units and store.
2. charging pile as claimed in claim 1, is characterized in that, described communication module comprises GPRS interface, supports TCP/IP Ethernet interface, CAN bus communication interface, plc communication interface, Zigbee bus communication interface and 3G, 4G wireless communication interface.
3. charging pile as claimed in claim 1, is characterized in that, described charging pile comprises charging metering module and the module of swiping the card;
Described charging metering module comprises energy-storage module energy accounting module and charging electric vehicle energy accounting module;
Described energy-storage module energy accounting module for carrying out charging to described energy-storage module energy in the situation that described energy-storage module participates in charging work;
Described charging electric vehicle energy accounting module is for carrying out charging according to described energy-storage module energy accounting module and electrical network consumption electric energy to the energy of user's charging electric vehicle;
The described module of swiping the card is in the time that described user's electric automobile starts charging, the identity of described user's electric automobile being identified, and charging finishes the expense of the energy of the rear charging electric vehicle that described charging metering module is calculated and settles accounts.
4. charging pile as claimed in claim 1, is characterized in that, described charging pile comprises human-machine interface module;
Described human-machine interface module comprises display screen, and described display screen is shown charging process voltage, electric weight and electric current to user, duration of charging, the information of charging expense.
5. charging pile as claimed in claim 1, is characterized in that, described charging pile comprises charging process protection module, and described charging process protection module carries out earth leakage protection and overcurrent protection to described charging pile and described user's electric automobile.
6. charging pile as claimed in claim 1, is characterized in that, described energy-storage units comprises electrokinetic cell and super capacitor, and described electrokinetic cell is dynamic lithium battery;
The capacity Q of described dynamic lithium battery is:
Wherein, U
2lfor electrokinetic cell voltage on car, t is the duration of charging, and h is duration of charging modified value, U
1lfor energy-storage battery SOC is 15% corresponding energy-storage module terminal voltage;
The capacitance C of described super capacitor is:
Wherein, U
2electrokinetic cell terminal voltage when constant-current phase transfers constant-voltage phase in charging process, U
1for power battery charging starting potential, I is constant-current phase current value, and Δ I is constant voltage process electric current decline step-length, t
1for constant-current charge duration, Δ t is the corresponding time of electric current decline Δ I,
for the umber of little time period of constant-voltage phase decile, t is the total duration of constant-voltage phase.
7. an operation method for electric automobile charging pile, is characterized in that, described charging pile comprises the charging pile as described in any one in claim 1-6, and described method comprises:
Step S1, described charging pile starts charging according to the charging demand of user's electric automobile;
Step S2, the instruction that judges whether to receive distribution network system, be, execution step S3, no, be that described user's electric automobile directly charges according to the electric energy of the charging demand utilization electrical network of described user's electric automobile;
Step S3, calculated load difference, the load that the charging demand that described load difference is described user's electric automobile and electrical network can provide poor, judge described load difference be whether on the occasion of, be, execution step S4, no, directly charge for user's electric automobile according to the electric energy of the charging demand utilization electrical network of described user's electric automobile;
Step S4, can accept direct-current discharge multiplying power and determine the discharge current of energy-storage module according to Vehicular charger rated power and energy-storage module;
After the start time point of the energy-storage module that described step S4 determines described charging pile as charge power supply, described energy-storage module comprises the process of described user's charging electric vehicle:
Step S401, judges whether the SOC value of the electrokinetic cell of described energy-storage module is greater than recommended value, is execution step S402; No, execution step S403;
Step S402, energy-storage module charges until charging process finishes to user's Rechargeable vehicle, in charging process, continues to judge whether the SOC value of electrokinetic cell is greater than recommended value, does not meet and is greater than recommended value, execution step S403 once the SOC value of electrokinetic cell;
Step S403, judges currently whether reach user power utilization needs, if do not met, superior supervisory system application charging load carries out AC charging to described user's electric automobile.
8. operation method as claimed in claim 7, is characterized in that, it is for fear of battery deep discharge that the SOC value that described electrokinetic cell is set is greater than recommended value, and described recommended value is 15%.
9. operation method as claimed in claim 7, it is characterized in that, energy-storage module described in described step S402 charges and detects described electrical network now whether in the flat peak phase simultaneously described user's Rechargeable vehicle, if in the flat peak phase, stopping described energy-storage module charges to described user's Rechargeable vehicle, adopt described electrical network to charge to described user's Rechargeable vehicle, if described electrical network, in load peak, adopts described energy-storage module to charge to described user's Rechargeable vehicle in charging process always.
10. operation method as claimed in claim 7, is characterized in that, judges that current reaching when user power utilization needs performs step S5, charges to described energy-storage module in described step S403.
11. operation methods as claimed in claim 7, is characterized in that, whether real-time judge energy-storage module reaches energy storage requirement, and while not reaching, execution step S5, charges to described energy-storage module.
12. operation methods as described in any one in claim 10 and 11, is characterized in that, described step S5 comprises:
Step S501, judges whether photovoltaic generating module can work, and is, execution step S502 is no, allow by described electrical network, described energy-storage module to be charged when described energy-storage module is charged in described network load situation, and execution step S504;
Step S502, judges whether electrical network charges to described energy-storage module, if it is stops the charging of electrical network to described energy-storage module, execution step S503;
Step S503, starts described photovoltaic generating module described energy-storage module is charged, execution step S504;
Step S504 stops charging in the time reaching energy-storage module energy storage requirement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210364913.2A CN102903186B (en) | 2012-09-26 | 2012-09-26 | Electromobile charging pile and operating method thereof |
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| CN102208827A (en) * | 2011-05-05 | 2011-10-05 | 陈明军 | Vehicle charging system |
| CN102208824B (en) * | 2011-06-03 | 2013-12-11 | 中国科学院电工研究所 | Sequential charging control system for electric vehicles |
| CN202333898U (en) * | 2011-11-29 | 2012-07-11 | 威胜集团有限公司 | Intelligent alternating current charging pile for electric automobile |
| CN102611159A (en) * | 2012-03-06 | 2012-07-25 | 武汉佳业联创科技有限公司 | Power supply measuring management system for charging piles |
| CN202906510U (en) * | 2012-09-26 | 2013-04-24 | 北京国网普瑞特高压输电技术有限公司 | Electric vehicle charging pile |
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