CN103762689B - A kind of electric automobile alternating current-direct current combined charging control system and control method - Google Patents

A kind of electric automobile alternating current-direct current combined charging control system and control method Download PDF

Info

Publication number
CN103762689B
CN103762689B CN201410036703.XA CN201410036703A CN103762689B CN 103762689 B CN103762689 B CN 103762689B CN 201410036703 A CN201410036703 A CN 201410036703A CN 103762689 B CN103762689 B CN 103762689B
Authority
CN
China
Prior art keywords
charging
direct current
alternating current
electric automobile
pattern
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201410036703.XA
Other languages
Chinese (zh)
Other versions
CN103762689A (en
Inventor
杨芳
赵翔
耿群锋
唐雾鹜
张卫国
刘华锋
刘昭慧
杨凤坤
邓超
陈良亮
刘硕
吕晓荣
刘志红
张建伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
State Grid Anhui Electric Power Co Ltd
Nari Technology Co Ltd
State Grid Electric Power Research Institute
Original Assignee
State Grid Corp of China SGCC
State Grid Anhui Electric Power Co Ltd
Nari Technology Co Ltd
State Grid Electric Power Research Institute
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by State Grid Corp of China SGCC, State Grid Anhui Electric Power Co Ltd, Nari Technology Co Ltd, State Grid Electric Power Research Institute filed Critical State Grid Corp of China SGCC
Priority to CN201410036703.XA priority Critical patent/CN103762689B/en
Publication of CN103762689A publication Critical patent/CN103762689A/en
Application granted granted Critical
Publication of CN103762689B publication Critical patent/CN103762689B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The present invention discloses a kind of electric automobile alternating current-direct current combined charging control system, comprises alternating current-direct current combined charging interface identification module, alternating current-direct current combined charging handshake module, charge mode selects and parameter configuration module, human-computer interaction module, charging settlement module, charging abnormality processing module; Ensure that electric automobile is reliable, flexible access electrical network charges, adopt alternating current-direct current combined charging can improve the flexibility of charging, improve the service efficiency of charging parking stall, reduce the land development area of charging station, thus Economization on land, reduce capital construction cost.Belong to charging electric vehicle control technology field.The present invention proposes a kind of charging flow control method being applicable to alternating current-direct current combined charging equipment, to realize the management that charging electric vehicle operates hommization more, improves the utilization rate of power distribution network efficiency and charging device.

Description

A kind of electric automobile alternating current-direct current combined charging control system and control method
Technical field
The invention belongs to charging equipment of electric automobile control technology field, particularly a kind of electric automobile alternating current-direct current combined charging control system and control method.
Background technology
The present invention relates to the charging flow control mode of electric automobile alternating current-direct current combined charging equipment, charging device can provide the charging service of AC and DC simultaneously, ensures that electric automobile is reliable, flexible access electrical network.Adopt alternating current-direct current combined charging can improve the flexibility of charging, improve the service efficiency of charging parking stall, reduce the land development area of charging station, thus Economization on land, reduce capital construction cost.Electric automobile alternating current-direct current combined charging be improve user charge experience important component part, for charging device provides platform according to the reasonably optimizing that needs of electrical network and electric automobile.
The charge mode of current electric automobile has two kinds, and one is AC charging pattern, and another kind is DC charging pattern.There is the problem that the charging interval is long, charging device utilization rate is low in AC charging, DC charging can improve charge efficiency greatly, but the life-span of large current charge on battery exists certain impact.
For above problem, domestic and international many car enterprises propose to design direct current and alternating-current charging interface on electric automobile simultaneously, accelerate charging rate, shorten the charging interval, improve the service efficiency of electrically-charging equipment with DC charging; Meet user with AC charging to stop for a long time the demand of trickle charge.On electric automobile, AC and DC interface is installed if consider simultaneously, must cause increasing of cost, the convenience that user uses also reduces greatly, therefore, AC and DC charging inlet should be combined into one, and AC charging function and DC charging function are blended in same charging device.
For this situation, IEC sets up special working group to formulate interface standard-combination (COMBO) the type interface of unified (or general).On the basis with reference to existing several direct current and alternating-current charging interface, propose and a kind ofly can realize the interface that AC charging can carry out again DC charging.In the recent period, ACEA have submitted a electric vehicle charge interface standardization recommendation to European Commission, and propose COMBOType2 interface, charging inlet obtains unification in EU member country.
Electric automobile alternating current-direct current combined charging control mode is as an important component part of charging electric vehicle technical research, exchange achieving real time information between electric automobile BMS and electric automobile alternating current-direct current combined charging equipment, improve the efficiency of Vehicular charging while optimizing energy supply and reduce the cost of Vehicular charging, and providing more reasonable, comfortable charging operations to have great significance according to electric automobile user demand.
Summary of the invention
The present invention seeks to the function simultaneously realizing AC charging and DC charging for charging equipment of electric automobile, in conjunction with user experience design thought, provide a kind of charging flow control method and corresponding liquid crystal display interface.Allow charging device can meet the demand of user to greatest extent, and the process of reasonable management alternating current-direct current combined charging, reduce charge fault, improve the utilization rate of power distribution network efficiency and charging device, the management of behavior of charging under simultaneously meeting the different demand of electric automobile user.
The present invention is by the Principle of Communication between the research non-vehicle-mounted conduction-type charging device of electric automobile and electric automobile and communication requirement, a kind of flow control method being applicable to alternating current-direct current combined charging is proposed, with improve Consumer's Experience and realize electric automobile alternating current-direct current charging handling safety and dispatching management.
A kind of electric automobile alternating current-direct current combined charging control system, comprises alternating current-direct current combined charging interface identification module, alternating current-direct current combined charging handshake module, charge mode selects and parameter configuration module, human-computer interaction module, charging settlement module, charging abnormality processing module.
Alternating current-direct current combined charging interface identification module, alternating current-direct current combined charging handshake module and charge mode are selected and parameter configuration module is linked in sequence, described human-computer interaction module, charging settlement module, charging abnormality processing module selects with described charge mode and parameter configuration module is connected, and described charging settlement module is connected with charging process information display module.
Alternating current-direct current combined charging interface identification module is based on the general pin connector of socket, and AC charging and DC charging use a Vehicular charging socket, and during AC charging, AC power connector accesses described Vehicular charging socket, connects alternating current charging cable; During DC charging, unlocking electronic lock unlocks charging cable, and direct current charging cable is linked into described Vehicular charging socket, and what the identification of alternating current-direct current combined charging interface identification module accessed Vehicular charging socket is ac cable or direct current cables.Whether alternating current-direct current combined charging handshake module is consistent with the charge mode parameter that man-machine interface is arranged for judging the cable accessed, it is DC charging or AC charging that man-machine interface arranges charge mode, if the charge mode that man-machine interface is arranged is consistent with the cable of access, represents that charging is shaken hands and successfully can carry out next step operation, otherwise charging is shaken hands unsuccessfully.Charge mode selection and parameter configuration module are for preparing charging definition mode and charge time pattern; Described charging definition mode comprises limiting quantity pattern, time definition mode and is automatically full of pattern;
Described charge time pattern comprises instant charge mode and charging delay temporal mode.The time that human-computer interaction module shows the voltage of charging in real time, electric current, charging continue, the charge mode information feed back arranged is selected and parameter configuration module to charge mode by man-machine interface.
Charging settlement module is after alternating current-direct current combined charging system and motor vehicle stop charging, and the control system both sides of alternating current-direct current combined charging system and motor vehicle send mutually charging accounting message, carries out charging clearing.
Charging abnormality processing module comprises LED warning, audible alarm and display alarm; When charging voltage in charging process, charging current exceed permissible variation or or cell malfunctions, charging abnormality processing module then sends alarm, and shows unusual condition in human-computer interaction module, and stops charging.
A kind of electric automobile alternating current-direct current combined charging control method, comprises the following steps:
Step S01, charge mode is selected by man-machine interface, enter DC charging pattern or AC charging pattern, and charge mode information is sent to charge mode selection and parameter configuration module, if described charge mode is AC charging pattern, then enter step S02, if described charge mode is DC charging pattern, then enter step S03;
Step S02, if be AC charging pattern, AC power connector is inserted socket upper end, connect alternating current charging cable, selected by charge mode and parameter configuration module configuration charging definition mode, if charging definition mode is limiting quantity pattern or time definition mode, prepare charging according to setting charge parameter, if charging definition mode for be automatically full of pattern, then directly prepares charging;
Judge that charge mode is selected and whether parameter configuration module is configured with charging delay temporal mode, if be configured with charging delay temporal mode, parameter charging when charging according to the time delay of setting, otherwise, directly start charging, after charging terminates, charging settlement module is after alternating current-direct current combined charging system and motor vehicle stop charging, the control system both sides of alternating current-direct current combined charging system and motor vehicle send mutually charging accounting message, carry out charging clearing, charging clearing complete, and directly extract charging cable;
If select limiting quantity pattern, charging device will fall to remember electricity until zero or not to zero but battery be full of, end of charging; If select time definition mode, charging device by between count-down until zero or not to zero but battery be full of, end of charging; Automatically be full of pattern if select, when battery is full of, charging terminates;
Step S03, if be DC charging pattern, first unlocking electronic lock takes out charging cable, and then access direct current charging cable, charging system is by charging gun and BMS communication, the maximum output rechargeable electrical energy that charging system can provide to electric automobile transmission charger, the control system of electric automobile judges whether to satisfy the demands according to the maximum output electric energy of charger, if satisfied the demands, starts DC charging, otherwise, exit charging; After DC charging completes, electronic lock is locked, and cable is fixed.
In the charging process of AC charging or DC charging, the time that human-computer interaction interface shows the voltage of charging in real time, electric current, charging continue, the control device of electric automobile sends storage battery demand to charger in real time, charger according to charge in batteries demand thus adjustment charging voltage and charging current to ensure that charging process is normally carried out, charger and controller of vehicle send respective charged state mutually simultaneously, and the control device of electric automobile sends the concrete state information of storage battery and voltage, the temperature information of electric automobile in real time to charger.
Beneficial effect of the present invention comprises:
1. the present invention ensures that electric automobile is reliable, flexible access electrical network charges, adopt alternating current-direct current combined charging can improve the flexibility of charging, improve the service efficiency of charging parking stall, reduce the land development area of charging station, thus Economization on land, reduce capital construction cost.
2. human-computer interaction interface shows the charge step of whole charging process, the operating state of charging device and fault message, is convenient to user operation and maintenance personal's maintenance.
3., by AC and DC charge function is combined in same charging pile body, meet the demand of electric automobile user AC charging and fast-speed direct current charging at a slow speed simultaneously, improve the utilization rate of power distribution network efficiency and charging device.
4. charging flow continues the compatibility charging flow of Europe superscript IEC62196 and GB GB/T20234.3-2011, and when taking into full account that alternating current-direct current combined charging equipment receives AC charging and DC charging request simultaneously, contingent various situation is analyzed, and proposes rational charging flow.
Accompanying drawing explanation
Fig. 1 is modular structure schematic diagram of the present invention.
Fig. 2 is charge control method schematic flow sheet of the present invention.
Embodiment
Below in conjunction with drawings and Examples, method of the present invention is described in further detail.
As shown in Figure 1, here is a preferred embodiment of the present invention, includes the control procedure of the concrete electric automobile alternating current-direct current combined charging of of adopting method of the present invention to realize.Assuming that an electric automobile with pattern charging inlet in Europe superscript IEC62196-3 is connected with alternating current-direct current combined charging equipment, complete alternating current-direct current combined charging interface Intelligent Recognition, alternating current-direct current combined charging is shaken hands, charge mode is selected, charge parameter configures, charging process information displaying, charging clearing, charging abnormality processing.
As shown in Figure 1, a kind of electric automobile alternating current-direct current combined charging control system, comprises alternating current-direct current combined charging interface identification module, alternating current-direct current combined charging handshake module, charge mode selects and parameter configuration module, human-computer interaction module, charging settlement module, charging abnormality processing module.
Alternating current-direct current combined charging interface identification module, alternating current-direct current combined charging handshake module and charge mode are selected and parameter configuration module is linked in sequence, described human-computer interaction module, charging settlement module, charging abnormality processing module selects with described charge mode and parameter configuration module is connected, and described charging settlement module is connected with charging process information display module.
Alternating current-direct current combined charging interface identification module is based on the general pin connector of socket, and AC charging and DC charging use a Vehicular charging socket, and during AC charging, AC power connector accesses described Vehicular charging socket, connects alternating current charging cable; During DC charging, unlocking electronic lock unlocks charging cable, and direct current charging cable is linked into described Vehicular charging socket, and what the identification of alternating current-direct current combined charging interface identification module accessed Vehicular charging socket is ac cable or direct current cables.
Whether alternating current-direct current combined charging handshake module is consistent with the charge mode parameter that man-machine interface is arranged for judging the cable accessed, it is DC charging or AC charging that man-machine interface arranges charge mode, if the charge mode that man-machine interface is arranged is consistent with the cable of access, represents that charging is shaken hands and successfully can carry out next step operation, otherwise charging is shaken hands unsuccessfully.
Charge mode selection and parameter configuration module are for preparing charging definition mode and charge time pattern; Described charging definition mode comprises limiting quantity pattern, time definition mode and is automatically full of pattern;
Described charge time pattern comprises instant charge mode and charging delay temporal mode.The time that human-computer interaction module shows the voltage of charging in real time, electric current, charging continue, the charge mode information feed back arranged is selected and parameter configuration module to charge mode by man-machine interface.
Charging settlement module is after alternating current-direct current combined charging system and motor vehicle stop charging, and the control system both sides of alternating current-direct current combined charging system and motor vehicle send mutually charging accounting message, carries out charging clearing.
Charging abnormality processing module comprises LED warning, audible alarm and display alarm; When charging voltage in charging process, charging current exceed permissible variation or or cell malfunctions, charging abnormality processing module then sends alarm, and shows unusual condition in human-computer interaction module, and stops charging.
As shown in Figure 2, a kind of electric automobile alternating current-direct current combined charging control method, comprises the following steps:
Step S01, charge mode is selected by man-machine interface, enter DC charging pattern or AC charging pattern, and charge mode information is sent to charge mode selection and parameter configuration module, if described charge mode is AC charging pattern, then enter step S02, if described charge mode is DC charging pattern, then enter step S03;
Step S02, if be AC charging pattern, AC power connector is inserted socket upper end, connect alternating current charging cable, selected by charge mode and parameter configuration module configuration charging definition mode, if charging definition mode is limiting quantity pattern or time definition mode, prepare charging according to setting charge parameter, if charging definition mode for be automatically full of pattern, then directly prepares charging;
Judge that charge mode is selected and whether parameter configuration module is configured with charging delay temporal mode, if be configured with charging delay temporal mode, parameter charging when charging according to the time delay of setting, otherwise, directly start charging, after charging terminates, charging settlement module is after alternating current-direct current combined charging system and motor vehicle stop charging, the control system both sides of alternating current-direct current combined charging system and motor vehicle send mutually charging accounting message, carry out charging clearing, charging clearing complete, and directly extract charging cable;
If select limiting quantity pattern, charging device will fall to remember electricity until zero or not to zero but battery be full of, end of charging; If select time definition mode, charging device by between count-down until zero or not to zero but battery be full of, end of charging; Automatically be full of pattern if select, when battery is full of, charging terminates;
Step S03, if be DC charging pattern, first unlocking electronic lock takes out charging cable, and then access direct current charging cable, charging system is by charging gun and BMS communication, the maximum output rechargeable electrical energy that charging system can provide to electric automobile transmission charger, the control system of electric automobile judges whether to satisfy the demands according to the maximum output electric energy of charger, if satisfied the demands, starts DC charging, otherwise, exit charging; After DC charging completes, charging clearing, electronic lock is locked, and cable is fixed.
In the charging process of AC charging or DC charging, the time that human-computer interaction interface shows the voltage of charging in real time, electric current, charging continue, the control device of electric automobile sends storage battery demand to charger in real time, charger according to charge in batteries demand thus adjustment charging voltage and charging current to ensure that charging process is normally carried out, charger and controller of vehicle send respective charged state mutually simultaneously, and the control device of electric automobile sends the concrete state information of storage battery and voltage, the temperature information of electric automobile in real time to charger.The above is only the preferred embodiment of the present invention; be noted that for those skilled in the art; under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.

Claims (3)

1. an electric automobile alternating current-direct current combined charging control method, is characterized in that, comprise the following steps:
Step S01, charge mode is selected by man-machine interface, enter DC charging pattern or AC charging pattern, and charge mode information is sent to charge mode selection and parameter configuration module, if described charge mode is AC charging pattern, then enter step S02, if described charge mode is DC charging pattern, then enter step S03;
Step S02, if be AC charging pattern, after AC power connector inserts socket, connect alternating current charging cable, charge mode is selected and parameter configuration module configuration charging definition mode, if charging definition mode is limiting quantity pattern or time definition mode, prepares charging according to setting charge parameter, if charging definition mode for be automatically full of pattern, then directly prepares charging;
Judge that charge mode is selected and whether parameter configuration module is configured with charging delay temporal mode, if be configured with charging delay temporal mode, parameter charging when charging according to the time delay of setting, otherwise, directly start charging, after charging terminates, charging settlement module is after alternating current-direct current combined charging system and motor vehicle stop charging, the control system both sides of alternating current-direct current combined charging system and motor vehicle send mutually charging accounting message, carry out charging clearing, charging clearing complete, and directly extract charging cable;
Step S03, if be DC charging pattern, obtain charging cable by unlocking electronic lock, then access direct current charging cable, charging system is by charging gun and BMS communication, the maximum output rechargeable electrical energy that charging system can provide to electric automobile transmission charger, the control system of electric automobile judges whether to satisfy the demands according to the maximum output electric energy of charger, if satisfied the demands, starts DC charging, otherwise, exit charging; After DC charging completes, electronic lock is locked, and cable is fixed.
2. a kind of electric automobile alternating current-direct current combined charging control method according to claim 1, is characterized in that, further comprising the steps of:
In the charging process of AC charging or DC charging, the time that human-computer interaction interface shows the voltage of charging in real time, electric current, charging continue, the control device of electric automobile sends storage battery demand to charger in real time, charger according to charge in batteries demand thus adjustment charging voltage and charging current to ensure that charging process is normally carried out, charger and controller of vehicle send respective charged state mutually simultaneously, and the control device of electric automobile sends the concrete state information of storage battery and voltage, the temperature information of electric automobile in real time to charger.
3. a kind of electric automobile alternating current-direct current combined charging control method according to claim 1, is characterized in that, step S02 charges after definition mode configuration, specifically comprises the following steps:
If select limiting quantity pattern, charging device will fall to remember electricity until zero or not to zero but battery be full of, end of charging;
If select time definition mode, charging device by between count-down until zero or not to zero but battery be full of, end of charging;
Automatically be full of pattern if select, when battery is full of, charging terminates.
CN201410036703.XA 2014-01-26 2014-01-26 A kind of electric automobile alternating current-direct current combined charging control system and control method Active CN103762689B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410036703.XA CN103762689B (en) 2014-01-26 2014-01-26 A kind of electric automobile alternating current-direct current combined charging control system and control method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410036703.XA CN103762689B (en) 2014-01-26 2014-01-26 A kind of electric automobile alternating current-direct current combined charging control system and control method

Publications (2)

Publication Number Publication Date
CN103762689A CN103762689A (en) 2014-04-30
CN103762689B true CN103762689B (en) 2015-11-18

Family

ID=50529878

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410036703.XA Active CN103762689B (en) 2014-01-26 2014-01-26 A kind of electric automobile alternating current-direct current combined charging control system and control method

Country Status (1)

Country Link
CN (1) CN103762689B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105553041A (en) * 2016-02-04 2016-05-04 王爱玲 Multifunctional electric automobile charging system
CN111211609B (en) * 2016-02-05 2021-06-25 Oppo广东移动通信有限公司 Charging method, adapter and mobile terminal
CN107472039B (en) * 2016-06-13 2019-07-23 宝沃汽车(中国)有限公司 Charge control method and system
CN108075532A (en) * 2016-11-15 2018-05-25 法乐第(北京)网络科技有限公司 The charge control method and device of charging pile for electric vehicle
CN108437824B (en) * 2018-03-21 2020-01-07 成都雅骏汽车制造有限公司 Electric automobile alternating current charging communication device and method based on PWM signals
CN109606181A (en) * 2019-01-28 2019-04-12 浙江杭天科技股份有限公司 Orderly charging intelligence control system and its control method
CN111823922B (en) * 2019-04-22 2021-12-21 宁波三星智能电气有限公司 Charging control method of charging pile
CN112445546A (en) * 2019-08-31 2021-03-05 比亚迪股份有限公司 Electric vehicle, process management method and device thereof, storage medium and electronic equipment
CN114523860A (en) * 2020-11-23 2022-05-24 长城汽车股份有限公司 Charging control method and device, electronic equipment and readable storage medium
CN113525112A (en) * 2021-08-31 2021-10-22 南京邮电大学盐城大数据研究中心 Bury formula charging system suitable for new forms of energy car

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101867208A (en) * 2010-06-07 2010-10-20 杭州市电力局 Charging post
CN201766395U (en) * 2010-09-21 2011-03-16 北京优科利尔能源设备有限公司 AC/DC integrated charge pile
CN202634033U (en) * 2012-05-28 2012-12-26 河南速达电动汽车科技有限公司 Charger special for ground charging station of electric automobiles

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130093393A1 (en) * 2010-10-05 2013-04-18 Mitsubishi Electric Corporation Charging control apparatus

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101867208A (en) * 2010-06-07 2010-10-20 杭州市电力局 Charging post
CN201766395U (en) * 2010-09-21 2011-03-16 北京优科利尔能源设备有限公司 AC/DC integrated charge pile
CN202634033U (en) * 2012-05-28 2012-12-26 河南速达电动汽车科技有限公司 Charger special for ground charging station of electric automobiles

Also Published As

Publication number Publication date
CN103762689A (en) 2014-04-30

Similar Documents

Publication Publication Date Title
CN103762689B (en) A kind of electric automobile alternating current-direct current combined charging control system and control method
CN107310408B (en) A kind of pure electric automobile charge control method of lithium battery
CN104158259B (en) Based on the vehicle-mounted charge/discharge control method of V2G technology
CN108808760A (en) For under intelligent grid environment to the device and method of electric vehicle charging and electric discharge
CN104283239B (en) Onboard wireless charging system for mobile terminal
CN103187765A (en) Electric automobile and alternating current charging communication method thereof and charging pile
CN105281385B (en) Electric automobile alternating current-direct current charging method
CN204497821U (en) Charging pile and charging system
CN104553834A (en) Electromobile electric energy dispatching system and method
CN107910906B (en) Mobile charging method and system for electric automobile
CN104283238B (en) Onboard wireless charging system for mobile terminal
CN105337331A (en) Electromobile group charging method and system
CN104269912A (en) Energy management system for multi-interface DC quick charger
CN105322583A (en) Electric automobile group charging device and system
CN107696883A (en) Electric vehicle concurrent charging method and equipment
CN203984046U (en) Electric automobile alternating current-direct current charging system and automobile group charging system
CN106476650A (en) Portable charging energy-storing system and its control method
EP3662560B1 (en) A mobile charging unit, particularly for electric vehicles, and a management system thereof for the delivery of charges on request
CN109733249A (en) A kind of new-energy automobile charging system and its control method
CN104052107A (en) Self-adaptive charge control method based on wifi and applied to electric automobile
CN103441558A (en) Charge control method, electric car car-mounted terminal and charge control system
CN109017399A (en) The intelligent charging system and method for electric car
EP3684084B1 (en) Device and method for varying communication path of electric vehicle charger
CN109103913B (en) Charging and energy storage integrated system based on charging pile and working method thereof
CN108621813A (en) A kind of guard method based on V2V charge-discharge systems

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant