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 PDFInfo
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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
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.
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| CN105553041A (en) * | 2016-02-04 | 2016-05-04 | 王爱玲 | Multifunctional electric automobile charging system |
| SG11201700428UA (en) * | 2016-02-05 | 2017-09-28 | Guangdong Oppo Mobile Telecommunications Corp Ltd | Charge 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 |
| CN112445546B (en) * | 2019-08-31 | 2022-10-18 | 比亚迪股份有限公司 | Electric vehicle, process management method and device thereof, storage medium and electronic equipment |
| US11400825B2 (en) * | 2020-11-20 | 2022-08-02 | GM Global Technology Operations LLC | AC/DC EVSE charging system |
| 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 |
| CN113525121B (en) * | 2021-06-17 | 2023-09-19 | 吉利汽车研究院（宁波）有限公司 | AC/DC combined charging socket electronic lock control method, device and terminal |
| CN113525112B (en) * | 2021-08-31 | 2022-08-16 | 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 |
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