CN106651483A - Master-slave copy configuration database and electric car periodic leasing system and method - Google Patents
Master-slave copy configuration database and electric car periodic leasing system and method Download PDFInfo
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Abstract
The invention discloses a master-slave copy configuration database and an electric car periodic leasing system and method. The master-slave copy configuration database comprises a main database and a standby database, wherein the main database operates on a main database server, and the standby database operates on a standby database server. The main database server and the standby database server are components of a central server of the electric car periodic leasing system. The main database server and the standby database server are separated and stored in different IDC machine rooms, and the main database and the standby database are connected with each other through a data channel. According to the scheme of the invention, the database guarantees the consistency of the data of the main and standby databases through modifying a log. When the main database crashes because of a fault or the IDC machine rooms is damaged by a natural disaster and cannot be recovered, the standby database is quickly upgraded as the main database, thereby guaranteeing the normal operation of the system, and reducing the crash time of the system. Because of the consistency of the main and standby databases, the data is guaranteed to have no loss. The database is suitable for the electric car leasing industry.
Description
Technical field
The present invention relates to database schema and car rental system, more particularly, to a kind of leader follower replication framework data base and electric automobile timesharing leasing system and method.
Background technology
Data base（Database）It is the warehouse that data are organized, store and managed according to data structure.For car rental system, data base is the basis that whole system can run well, therefore has higher requirement to its stability and efficiency.
The rent of existing automobile is returned the car to be needed to be carried out in particular station, is not enough facilitated.Leasing system also lacks relatively stable, efficient central server.
State Intellectual Property Office of the People's Republic of China disclosed the patent documentation of entitled " a kind of electric automobile lease management system and its management of leasing method based on charging pile " on 01 14th, 2015（Publication number：CN104282088A）, it includes system remote management control center, electric automobile, charging pile and intelligent terminal；Car battery data acquisition module, wireless communication module and intelligent control module are installed on the electric automobile；Intelligent control unit and communication module, the intelligent terminal and system remote management control center radio communication, wireless communication module and the system remote management control center radio communication of the electric automobile are installed on the charging pile.This scheme fails the database schema of open stability and high efficiency, and this management system needs artificial participation per single lease, it is impossible to realize self-service leasehold mode.
The content of the invention
The technical problem that the present invention is mainly the database schema for lacking stability and high efficiency existing for solution prior art, the more artificial participation of car-hiring management system needs, cannot realize self-service lease etc., a kind of good stability, efficiency high are provided, the leader follower replication framework data base of good experience can be provided, while providing a kind of electric automobile timesharing leasing system and method that can realize self-service lease based on this leader follower replication framework data base.
The present invention is mainly addressed for above-mentioned technical problem by following technical proposals：A kind of leader follower replication framework data base, including MDL and standby database, the MDL is operated on main database server, the standby database is operated on standby database server, the main database server and standby database server belong to the ingredient of the central server of electric automobile timesharing leasing system, main database server and standby database server are separated and are stored in different IDC machine rooms, and MDL is connected with standby database by data channel.
Concordance in this programme, due to ensure that active and standby database data by changing log transmission.To be in a short period of time master library for qurush level, it is ensured that the normal operation of system, so as to reduce system breakdown time when master library breaks down the machine of delaying or irrecoverable IDC machine rooms chance natural disaster.Because the concordance of active and standby database data also ensure that zero loss of data.
As preferred, when MDL receives modification instruction, while generating modification daily record, and modification daily record is delivered to into standby database, standby database receive modification daily record after, according to database recovery flow process by the modification content synchronization of MDL in standby database.
By changing daily record the content of standby database can be kept consistent with MDL, it is ensured that standby database can at any time upgrade to MDL and not affect the outside read-write operation to data base.
Preferably, MDL is responsible for processing the system business of electric automobile timesharing leasing system, standby database is responsible for the form business of the read-only class for processing electric automobile timesharing leasing system.
Arranged by read and write abruption, the pressure of main database server can be mitigated, improve system treatment effeciency.
A kind of electric automobile timesharing leasing system，For the lease of electric automobile，It includes central server、Several child servers、User's handheld terminal of the lease APP of electric automobile is installed、The access terminal of connection the Internet、Several are equipped with the automobile charging pile and the timesharing leasing system being disposed on each electric automobile of communication and processing meanss，User's handheld terminal and access terminal are communicated to connect with described central server，The child servers are communicated to connect with described central server，The child servers are communicated to connect respectively with several automobile charging piles，Timesharing leasing system on each electric automobile is communicated to connect with described child servers，The timesharing leasing system includes vehicle communication device、For collecting vehicle information and the on-board information platform for processing、Information reader unit for authentication and the vehicle control module that car door and power are controlled，Described information reader unit、Vehicle control module and vehicle communication device are connected with described on-board information platform，The on-board information platform is communicated to connect by vehicle communication device with child servers；
Described central server includes main database server and standby database server, and operation on main database server has MDL, and operation on standby database server has standby database, and MDL and standby database are connected by data channel.
The present invention realizes the linkage of whole timesharing leasing system by onboard pre-installing the hardware ARIXTRA inter-vehicle information system and GPRS module that are capable of achieving telecommunication and wagon control.By the management of charging pile, binding, charging pile condition managing and the control of charging pile and car are realized.By the way that whole leasing system is subdivided into into operation system, communication system and each child resource management system, the stable of system, reliability, safety and business fluency are realized, lift treatment effeciency.The process of in-car charter business logic is processed by GPRS module, is realized by embedded software, reliable, stable.By mobile phone A PP, the APP of inter-vehicle information system, the multiformity with user interaction is realized, strengthen Consumer's Experience.By the binding of mobile phone A PP account and member's card number, realization can be hired a car by member card and mobile phone A PP two ways, and can cross-reference, realize linkage.By the way that user data is registered in GPRS module, local wagon control is realized, the pattern of backstage charging had both enhanced the response speed of vehicle end, and in turn, ensured that the stability of metering data.
Preferably, the on-board information platform is with display and interactive function, the intelligent control device for being provided with intelligent operating system and being connected with electric automobile bus；The on-board information platform includes message processing module, charter business module, information exchange module, vehicle query reservation module, charging pile query-reservation module and module of returning the car, and the charter business module, information exchange module, vehicle query reservation module, charging pile query-reservation module and module of returning the car are connected with described message processing module.These are software module, and correspondence corresponding function is processed in on-board information platform.
On-board information platform can be provided with Android system, the main interactive interface that user and Car Rental are provided, user can complete lease and confirm and business of returning the car by this system, remind while user being alternatively during vehicle runs and providing charging pile, electricity early warning etc..
Preferably, the vehicle communication device is GPRS module, described information reader unit is RFID card reader module, and the timesharing leasing system also includes display lamp reminding module, and the display lamp reminding module is electrically connected with described on-board information platform.
Indicating lamp module reminds user's related service information such as by display lamp and voice message：Vehicle can be rented, and vehicle is reserved, and vehicle can not be rented.GPRS module, GPRS module is the communication module of vehicle and backstage, while also supporting the core logic of whole charter business, such as storage ID, performs opening car door instruction of swiping the card, execution car locking instruction etc..
As preferred, the automobile charging pile is in each infield with the installation of charging pile cluster form, each charging pile cluster is mounted on a cluster controller and a GPRS terminal, the GPRS terminals are electrically connected with the cluster controller of place infield, charging pile described in each includes RFID card reader and ground lock, the RFID card reader and ground lock are electrically connected with described cluster controller, the cluster controller is connected by GPRS terminals with described child servers communication, and each GPRS terminal is the GPRS terminals with storage chip.
Charging pile is managed using trunking mode, and single charging pile possesses basic charge function, and possessing lockable mechanism prevents charging plug from being extracted by the non-personnel of swiping the card.The built-in RFID card reader module of charging pile, realizes user identity identification function.Charging pile connection ground lock module, can control the lifting of ground lock by RFID card reader.GPRS terminals are connected on cluster controller, realize the communication with charging pile management system.
As preferred，Charter business module is installed in the electric automobile timesharing leasing system，Charter business module includes charter business logic and business conduct module on central server、Member management module on central server、Vehicle information management module on central server、Charging pile management module on cluster controller、The lease APP of the electric automobile on user's handheld terminal、The lease APP of the electric automobile on on-board information platform、Access the WEB user sides in terminal and WEB managers end，Charter business logic and business conduct module respectively with member's management module、Vehicle information management module、Charging pile management module、The lease APP of the electric automobile on user's handheld terminal、The lease APP of the electric automobile on on-board information platform、Access the WEB user sides in terminal and the connection of WEB managers end.
The classification of member management module management member, integration, rank and personal information etc., membership management system provides data-interface for each business, supports the two-way interactive of data.
Vehicle information management module is the unique communication platform that vehicle information management system is vehicle management, and timesharing leasing system need to obtain vehicle location and status information by vehicle information management system, and realize the both-way communication of business information.Charging pile management module realizes the remote monitoring with charging pile, and this module carries out data exchange by interface and charter business module.Realize charging pile condition monitoring, binding, charging pile power-off, the control of energization of car precharge stake.Charter business module, realizes whole charter business logic and business conduct, is the core of whole leasing system.The inquiry of vehicle/charging pile, reservation are realized in mobile phone terminal APP, the support of Personal Rental's business, are returned the car extremely, information pushing, the function such as services of roaming are handled.The lease APP of the electric automobile on user's handheld terminal can realize business support during lease, realize information exchange, vehicle/charging pile inquiry, reservation, the function such as return the car.Web user end can realize that user account is managed, and information management, miscellaneous service is handled, the function such as charter business issue.Web administrator end can realize the functions such as vehicle, charging pile maintenance, charging setting, vehicle state monitoring and threshold value setting, information issue.
As preferred，Membership information management two-way interactive data-interface is provided with the member management module，The lease APP of the electric automobile on the on-board information platform is arranged in message processing module，The lease APP of the electric automobile on on-board information platform includes vehicle location functional module、Car status information functional module and business information both-way communication interface，The vehicle location functional module、Car status information functional module and business information both-way communication interface are connected with described charter business logic and business conduct module，Charging pile management module includes charging pile management system interface、Charging pile monitoring module、The predetermined charging pile binding module of car、The powered off and on management module of charging pile，The charging pile monitoring module、The predetermined charging pile binding module of car、The powered off and on management module of charging pile is connected by electric stake management system interface with charter business logic and business conduct module.
As preferred, the WEB user sides include user account management module, information management module, business handling module and charter business release module, the user account management module, information management module, business handling module and charter business release module are connected with described charter business logic and business conduct module, the WEB managers end includes vehicle maintenance module, charging pile is safeguarded, charging setup module, vehicle state monitoring and threshold value setting module and information issuing module, the vehicle maintenance module, charging pile is safeguarded, charging setup module, vehicle state monitoring and threshold value setting module and information issuing module are connected with described charter business logic and business conduct module.
A kind of electric automobile timesharing rent method, including user account management method, rent returning method and charging management method；User account management method includes the registration of user, nullifies and synchronous；
Renting returning method includes：Central server receives control signal and performs corresponding steps, step of returning the car of hiring a car is performed when central server is received hire a car and return the car signal, when central server receive reservation hire a car signal when perform reservation and hire a car step, reservation charge step is performed when central server receives reservation charging signals, when central server receive strange land hire a car signal when perform strange land and hire a car step；
Charging management method includes：Charging pile obtains the current electric motor car information stopped and sends to central server, central server carries out electricity and calculates and assign time-sharing charging control command according to electric motor car current vehicle condition and ambient parameter, and charging pile carries out time-sharing charging to the current electric motor car for stopping；
Described central server includes main database server and standby database server, and operation on main database server has MDL, and operation on standby database server has standby database, and MDL and standby database are connected by data channel.
The method that present invention employs timesharing lease, employs positive time-sharing charging rent method, with reference to local peak-trough electricity electricity price and electricity consumption strategy, while without prejudice to is normally hired a car and returned the car, substantially reduces electric cost.
As preferred, being registered as of user is input into ID into GPRS terminals or GPRS module, the cancellation of user is to delete input to the ID in GPRS terminals or GPRS module, and server timing centered on the synchronization of user synchronizes all GPRS terminals or the ID in GPRS module.
It is the ID of user to be brushed in the storage chip of GPRS terminals in user's registration system design, ID is verified when user hires a car and realizes business of hiring a car, swipe the card when ensureing that user hires a car and do not postpone sense, user log off is on the contrary with user's registration, for exiting or because other reasonses cancel the member of timesharing charter business, system needs to will be stored in charging pile and the ID of vehicle GPRS terminals is nullified.Then user's synchronization is performed, system possesses the function of Timing Synchronization data, it is ensured that the ID of vehicle and charging pile GPRS terminals is last state.
Preferably, the step of returning the car of hiring a car includes：
Information reader unit Card Reader, on-board information platform judges current vehicle condition, vehicle control module refusal opening car door, end of hiring a car if current vehicle condition does not meet unlocking condition；
Locked door by vehicle control module solution if current vehicle condition meets unlocking condition, user is into the car, simultaneously, on-board information platform transmits current Card Reader data to central server, central server returns user account information to vehicle communication device, if central server returns user account information for Sorry, your ticket has not enough value, vehicle control module closes vehicle power power supply, terminates to hire a car after on-board information platform prompting；
If it is that remaining sum is sufficient that central server returns user account information, vehicle control module unlocking vehicle electrical source of power then is carried out hiring a car using by user；
After user stops, on-board information platform shows selection information, user is swiped the card or sends order to vehicle control module using handheld terminal if user is temporary parking carries out door operation, if user is operation of returning the car, then user selects to return the car and order and swipes the card at charging pile in on-board information platform, charging pile is bound with vehicle, and user is returned the car.
In the present invention, hire a car return the car service logic/flow process be whole system core, the setting of the present invention possesses the function of member card verification, must assure that the user prestored in only vehicle and charging pile GPRS terminals just can hire a car, system in the present invention supports that according to the actual requirements user rents many cars or restriction user only rents a car, and the binding of vehicle and charging pile is realized in communication when user returns the car by car with charging pile.
Preferably, the reservation is hired a car, step includes：
User searches free vehicle by handheld terminal or WEB client side, the reservation that transmission reservation is hired a car hires a car signal to central server, the central server sends reservation and hires a car signal to designated vehicle, and synchronized transmission preengages the charging pile that signal of hiring a car is bound to vehicle
If setting subscription time in, user fail execution hire a car return the car step or on non-designated vehicle perform hire a car return the car step then send cancellation reservation hire a car signal to designated vehicle.
Preferably, the reservation charge step includes：
User searches the electricity of free vehicle and corresponding vehicle by handheld terminal or WEB client side, sending subscription time requires the reservation signal of reservation charging to central server, the central server sends reservation charging signals to designated vehicle, and the charging pile that synchronized transmission reservation charging signals are bound to vehicle
If setting subscription time in, user fail execution hire a car return the car step or on non-designated vehicle perform hire a car return the car step then send cancellation reservation charging signals to designated vehicle.
Present invention achieves preengaging priority principle, vehicle locks subscriber Jing after reservation, and other users cannot again lease this vehicle, and the limited time of reservation is determined.If having leased other vehicles after the time-out of user's reservation simultaneously or reservation, reservation is cancelled automatically.Same reservation strategy can also be supported including charging pile.
Preferably, the strange land is hired a car, step includes：
Area code is added in registration, cancellation and synchronization in user；Corresponding automobile charging pile and timesharing leasing system are also provided with area code,
When user proposes that strange land is hired a car after application to central server by handheld terminal or WEB client side, the area code of central server parsing destination address and then will propose that the hire a car ID of application of strange land is input into into the GPRS terminals or GPRS module of destination address and performs synchronizing step.Present invention employs the method for limiting area by means of car, it is determined that by means of car scope, it is therefore prevented that on a large scale with the generation that region car stressful situation is appraised and decided caused by car.
Preferably, in charging management method, the charging pile is that, using peak-trough electricity charging charging pile, if current time is in paddy electricity chargeable time, charging pile is charged to electric automobile,
If current time is in peak electricity chargeable time, then central server is operated according to the car status information that on-board information platform in the vehicle of charging pile current bindings is uploaded to charging pile, if current bindings vehicle judges through charging, it is judged to that then charging pile is charged to electric automobile for needs charging, if it is determined that to forbid charging, then charging pile stops being charged electric automobile
Charging judges that step includes following sub-step：
Charging judges sub-step one, and assignment one basic power threshold and a basic quantity coefficient value of the central server to each charging pile, basic power threshold calculates setting with basic quantity coefficient value by artificial or central server,
Charging judges sub-step two, and central server reads the battery electric quantity value of current time, paddy electricity chargeable time opening time and Current vehicle, and central server calculates current time and draws time difference with paddy electricity chargeable time open-interval difference,
Charging judges sub-step three, basic quantity coefficient value is then judged to forbid charging plus the battery electric quantity value of Current vehicle divided by the numerical value drawn after time difference more than or equal to described basic power threshold, and the numerical value drawn after basic quantity coefficient value is divided by time difference is judged to need to charge if being less than the basic power threshold plus the battery electric quantity value of Current vehicle.After so arranging, different regions correspondence is reached different by means of car basis power threshold, namely allow more by means of the larger charging pile charging of car frequency, holding electricity as much as possible, most people is enabled to borrow car as much as possible, both the demand of vehicle electricity had been take into account, it is also contemplated that the demand that vehicle is used, the Financial cost of satisfaction and the double requirements of use cost.
As preferred, in charging judges sub-step, the average of correspondence date is multiplied by given percent coefficient and draws electricity correction value by means of train number number in the last measurement period of charging pile, and basic power threshold is drawn by basic charge value plus electricity correction value, and the basic charge value is unified numerical value.So arrange, it is different by means of car basis power threshold to have reached different regions correspondence, that is, allow and charged more, holding electricity as much as possible by means of the larger charging pile of car frequency so that most people can as much as possible borrow car.
If preferably, having the distance of some vehicle parkings within 200 meters, comparing the voltage value of Adjacent vehicles, central server is being judged to need to be started to charge up successively from high to low with electricity in the vehicle for charging.It is of the invention so to arrange, ensure that vehicle is rapidly completed charging and can use as far as possible, while also having made rational planning for the charging interval, save cost.
The present invention substantial effect be：Using active and standby storehouse replication mode, master library is separated from standby storehouse and is stored in different IDC machine rooms, improves the safety of data；Data base can at short notice be recovered, system breakdown time is reduced；Read and write abruption is realized from physical layer, it is ensured that the treatment effeciency of operation system；The present invention can be operated in cheap PC server with reduces cost, reaches cost controllable.
The present invention realizes the linkage of whole timesharing leasing system by onboard pre-installing the hardware ARIXTRA inter-vehicle information system and GPRS module that are capable of achieving telecommunication and wagon control.By the management of charging pile, binding, charging pile condition managing and the control of charging pile and car are realized.By the way that whole leasing system is subdivided into into operation system, communication system and each child resource management system, the stable of system, reliability, safety and business fluency are realized, lift treatment effeciency.The process of in-car charter business logic is processed by GPRS module, is realized by embedded software, reliable, stable.By mobile phone A PP, the APP of inter-vehicle information system, the multiformity with user interaction is realized, strengthen Consumer's Experience.By the binding of mobile phone A PP account and member's card number, realization can be hired a car by member card and mobile phone A PP two ways, and can cross-reference, realize linkage.By the way that user data is registered in GPRS module, local wagon control is realized, the pattern of backstage charging had both enhanced the response speed of vehicle end, and in turn, ensured that the stability of metering data.The method that present invention employs timesharing lease, employs positive time-sharing charging rent method, with reference to local peak-trough electricity electricity price and electricity consumption strategy, while without prejudice to is normally hired a car and returned the car, substantially reduces electric cost.The setting of the present invention possesses the function of member card verification, must assure that the user prestored in only vehicle and charging pile GPRS terminals just can hire a car, system in the present invention supports that according to the actual requirements user rents many cars or restriction user only rents a car, and the binding of vehicle and charging pile is realized in communication when user returns the car by car with charging pile.Present invention achieves preengaging priority principle, vehicle locks subscriber Jing after reservation, and other users cannot again lease this vehicle, and the limited time of reservation is determined.If having leased other vehicles after the time-out of user's reservation simultaneously or reservation, reservation is cancelled automatically.Same reservation strategy can also be supported including charging pile.Present invention employs the method for limiting area by means of car, it is determined that by means of car scope, it is therefore prevented that on a large scale with the generation that region car stressful situation is appraised and decided caused by car.Different regions correspondence is reached different by means of car basis power threshold, namely allow more by means of the larger charging pile charging of car frequency, holding electricity as much as possible, most people is enabled to borrow car as much as possible, both the demand of vehicle electricity had been take into account, it is also contemplated that the demand that vehicle is used, the Financial cost of satisfaction and the double requirements of use cost.Description of the drawings
Fig. 1 is a kind of leader follower replication framework database structure schematic diagram of the present invention；
In figure：1st, MDL, 2, standby database, 3, main database server, 4, standby database server.
Specific embodiment
Below by embodiment, and accompanying drawing is combined, technical scheme is described in further detail.
Embodiment：A kind of leader follower replication framework data base of the present embodiment, as shown in Figure 1, including MDL 1 and standby database 2, the MDL 1 is operated on main database server 3, the standby database 2 is operated on standby database server 4, the main database server and standby database server belong to the ingredient of the central server of electric automobile timesharing leasing system, main database server and standby database server are separated and are stored in different IDC machine rooms, and MDL is connected with standby database by data channel.
Concordance in this programme, due to ensure that active and standby database data by changing log transmission.To be in a short period of time master library for qurush level, it is ensured that the normal operation of system when master library breaks down the machine of delaying or irrecoverable IDC machine rooms chance natural disaster.So as to reduce system breakdown time.Because the concordance of active and standby database data also ensure that zero loss of data.
When MDL receives modification instruction, while generating modification daily record, and modification daily record is delivered to into standby database, standby database is received after modification daily record, according to database recovery flow process by the modification content synchronization of MDL in standby database.
By changing daily record the content of standby database can be kept consistent with MDL, it is ensured that standby database can at any time upgrade to MDL and not affect the outside read-write operation to data base.
MDL is responsible for processing the system business of electric automobile timesharing leasing system, and standby database is responsible for the form business of the read-only class for processing electric automobile timesharing leasing system.
Arranged by read and write abruption, the pressure of main database server can be mitigated, improve system treatment effeciency.
A kind of electric automobile timesharing leasing system，For the lease of electric automobile，Including central server、Several child servers、User's handheld terminal of the lease APP of electric automobile is installed、The access terminal of connection the Internet、Several are equipped with the automobile charging pile and the timesharing leasing system being disposed on each electric automobile of communication and processing meanss，User's handheld terminal and access terminal are communicated to connect with described central server，The child servers are communicated to connect with described central server，The child servers are communicated to connect respectively with several automobile charging piles，Timesharing leasing system on each electric automobile is communicated to connect with described child servers，The timesharing leasing system includes vehicle communication device、For collecting vehicle information and the on-board information platform for processing、Information reader unit for authentication and the vehicle control module that car door and power are controlled，Described information reader unit、Vehicle control module and vehicle communication device are connected with described on-board information platform，The on-board information platform is communicated to connect by vehicle communication device with child servers；Described central server includes main database server and standby database server, and operation on main database server has MDL, and operation on standby database server has standby database, and MDL and standby database are connected by data channel.The information reader unit of authentication can be made up of various wirelessly or non-wirelessly input equipment, consider with RFID to be optimal from cost and ease for use angle, in addition to RFID, alternative information reader unit can also make fingerprint or eyelid scanning means, vehicle control module is the original controller of vehicle, generally CAN controller collocation ECU, vehicle communication device adopts the 2G communication networks of inexpensive and high protection.
The on-board information platform is with display and interactive function, the intelligent control device for being provided with intelligent operating system and being connected with electric automobile bus.The on-board information platform includes message processing module, charter business module, information exchange module, vehicle query reservation module, charging pile query-reservation module and module of returning the car, and the charter business module, information exchange module, vehicle query reservation module, charging pile query-reservation module and module of returning the car are connected with described message processing module.Message processing module, charter business module, information exchange module, vehicle query reservation module, charging pile query-reservation module and module of returning the car are software module, on-board information platform can be the operation equipment of intelligence system, basic structure is similar with mobile phone or pad, primitive form is to be mounted with Android system, add the intelligent operation apparatus of EBI and outer input interface simultaneously, the EBI of addition and outer input interface are added according to vehicle configuration according to the difference of vehicle according to prior art.
The vehicle communication device is GPRS module, and described information reader unit is RFID card reader module, and the timesharing leasing system also includes display lamp reminding module, and the display lamp reminding module is electrically connected with described on-board information platform.The automobile charging pile is in each infield with the installation of charging pile cluster form, each charging pile cluster is mounted on a cluster controller and a GPRS terminal, the GPRS terminals are electrically connected with the cluster controller of place infield, charging pile described in each includes RFID card reader and ground lock, the RFID card reader and ground lock are electrically connected with described cluster controller, the cluster controller is connected by GPRS terminals with described child servers communication, and each GPRS terminal is the GPRS terminals with storage chip.
Charter business module is installed in the electric automobile timesharing leasing system, charter business module includes charter business logic and business conduct module on central server, member management module on central server, vehicle information management module on central server, charging pile management module on cluster controller, the lease APP of the electric automobile on user's handheld terminal, the lease APP of the electric automobile on on-board information platform, access the WEB user sides in terminal and WEB managers end, charter business logic and business conduct module respectively with member's management module, vehicle information management module, charging pile management module, the lease APP of the electric automobile on user's handheld terminal, the lease APP of the electric automobile on on-board information platform, access the WEB user sides in terminal and the connection of WEB managers end.The modules such as charter business module are software module.
Membership information management two-way interactive data-interface is provided with the member management module，The lease APP of the electric automobile on the on-board information platform is arranged in message processing module，The lease APP of the electric automobile on on-board information platform includes vehicle location functional module、Car status information functional module and business information both-way communication interface，The vehicle location functional module、Car status information functional module and business information both-way communication interface are connected with described charter business logic and business conduct module，Charging pile management module includes charging pile management system interface、Charging pile monitoring module、The predetermined charging pile binding module of car、The powered off and on management module of charging pile，The charging pile monitoring module、The predetermined charging pile binding module of car、The powered off and on management module of charging pile is connected by electric stake management system interface with charter business logic and business conduct module.
The WEB user sides include user account management module, information management module, business handling module and charter business release module, the user account management module, information management module, business handling module and charter business release module are connected with described charter business logic and business conduct module, the WEB managers end includes vehicle maintenance module, charging pile is safeguarded, charging setup module, vehicle state monitoring and threshold value setting module and information issuing module, the vehicle maintenance module, charging pile is safeguarded, charging setup module, vehicle state monitoring and threshold value setting module and information issuing module are connected with described charter business logic and business conduct module.
The present embodiment realizes the linkage of whole timesharing leasing system by onboard pre-installing the hardware ARIXTRA inter-vehicle information system and GPRS module that are capable of achieving telecommunication and wagon control.By the management of charging pile, binding, charging pile condition managing and the control of charging pile and car are realized.By the way that whole leasing system is subdivided into into operation system, communication system and each child resource management system, the stable of system, reliability, safety and business fluency are realized, lift treatment effeciency.The process of in-car charter business logic is processed by GPRS module, is realized by embedded software, reliable, stable.By mobile phone A PP, the APP of inter-vehicle information system, the multiformity with user interaction is realized, strengthen Consumer's Experience.By the binding of mobile phone A PP account and member's card number, realization can be hired a car by member card and mobile phone A PP two ways, and can cross-reference, realize linkage.By the way that user data is registered in GPRS module, local wagon control is realized, the pattern of backstage charging had both enhanced the response speed of vehicle end, and in turn, ensured that the stability of metering data.
A kind of electric automobile timesharing rent method, is used in electric automobile timesharing leasing system as above, including user account management method, rent returning method and charging management method；User account management method includes the registration of user, nullifies and synchronous；
Renting returning method includes：Central server receives control signal and performs corresponding steps, step of returning the car of hiring a car is performed when central server is received hire a car and return the car signal, when central server receive reservation hire a car signal when perform reservation and hire a car step, reservation charge step is performed when central server receives reservation charging signals, when central server receive strange land hire a car signal when perform strange land and hire a car step；
Charging management method includes：Charging pile obtains the current electric motor car information stopped and sends to central server, central server carries out electricity and calculates and assign time-sharing charging control command according to electric motor car current vehicle condition and ambient parameter, and charging pile carries out time-sharing charging to the current electric motor car for stopping.
Being registered as of user is input into ID into GPRS terminals or GPRS module, the cancellation of user is to delete input to the ID in GPRS terminals or GPRS module, and server timing centered on the synchronization of user synchronizes all GPRS terminals or the ID in GPRS module.
The step of returning the car of hiring a car includes：
Information reader unit Card Reader, on-board information platform judges current vehicle condition, vehicle control module refusal opening car door, end of hiring a car if current vehicle condition does not meet unlocking condition；
Locked door by vehicle control module solution if current vehicle condition meets unlocking condition, user is into the car, simultaneously, on-board information platform transmits current Card Reader data to central server, central server returns user account information to vehicle communication device, if central server returns user account information for Sorry, your ticket has not enough value, vehicle control module closes vehicle power power supply, terminates to hire a car after on-board information platform prompting；
If it is that remaining sum is sufficient that central server returns user account information, vehicle control module unlocking vehicle electrical source of power then is carried out hiring a car using by user；
After user stops, on-board information platform shows selection information, user is swiped the card or sends order to vehicle control module using handheld terminal if user is temporary parking carries out door operation, if user is operation of returning the car, then user selects to return the car and order and swipes the card at charging pile in on-board information platform, charging pile is bound with vehicle, and user is returned the car.
The step of hiring a car of preengaging includes：
User searches free vehicle by handheld terminal or WEB client side, the reservation that transmission reservation is hired a car hires a car signal to central server, the central server sends reservation and hires a car signal to designated vehicle, and synchronized transmission preengages the charging pile that signal of hiring a car is bound to vehicle；
If setting subscription time in, user fail execution hire a car return the car step or on non-designated vehicle perform hire a car return the car step then send cancellation reservation hire a car signal to designated vehicle.
The reservation charge step includes：
User searches the electricity of free vehicle and corresponding vehicle by handheld terminal or WEB client side, sending subscription time requires the reservation signal of reservation charging to central server, the central server sends reservation charging signals to designated vehicle, and the charging pile that synchronized transmission reservation charging signals are bound to vehicle；
If setting subscription time in, user fail execution hire a car return the car step or on non-designated vehicle perform hire a car return the car step then send cancellation reservation charging signals to designated vehicle.
Strange land step of hiring a car includes：
Area code is added in registration, cancellation and synchronization in user；Corresponding automobile charging pile and timesharing leasing system are also provided with area code；
When user proposes that strange land is hired a car after application to central server by handheld terminal or WEB client side, the area code of central server parsing destination address and then will propose that the hire a car ID of application of strange land is input into into the GPRS terminals or GPRS module of destination address and performs synchronizing step.
In charging management method, the charging pile is that, using peak-trough electricity charging charging pile, if current time is in paddy electricity chargeable time, charging pile is charged to electric automobile；
If current time is in peak electricity chargeable time, then central server is operated according to the car status information that on-board information platform in the vehicle of charging pile current bindings is uploaded to charging pile, if current bindings vehicle judges through charging, it is judged to that then charging pile is charged to electric automobile for needs charging, if it is determined that then charging pile stops being charged electric automobile to forbid charging；
Charging judges that step includes following sub-step：
Charging judges sub-step one, and assignment one basic power threshold and a basic quantity coefficient value of the central server to each charging pile, basic power threshold calculates setting with basic quantity coefficient value by artificial or central server；
Charging judges sub-step two, central server reads the battery electric quantity value of current time, paddy electricity chargeable time opening time and Current vehicle, central server calculates current time and paddy electricity chargeable time open-interval difference and draws time difference, and time difference is being divided into digit；
Charging judges sub-step three, basic quantity coefficient value is then judged to forbid charging plus the battery electric quantity value of Current vehicle divided by the numerical value drawn after time difference more than or equal to described basic power threshold, and the numerical value drawn after basic quantity coefficient value is divided by time difference is judged to need to charge if being less than the basic power threshold plus the battery electric quantity value of Current vehicle.
In charging judges sub-step, the average of correspondence date is multiplied by given percent coefficient and draws electricity correction value by means of train number number in the last measurement period of charging pile, basic power threshold is shown that the basic charge value is unified numerical value by basic charge value plus electricity correction value.
Concrete example is as follows, if today is Saturday, measurement period is one week, then if Saturday last week is 5 times by means of train number number, then if Saturday week before last is 7 inferior by means of train number number, multiple measurement period average computation get off Saturday this place by means of car quantity be 5 times, basic charge value is the 50% of total electricity, percent coefficient is 2%, can so show that basic power threshold is 50%+2%*5=60%, as the 60% of total electricity, if current time is at 9 points, paddy electricity chargeable time is 10 points, then current time difference is 60 points.Basic quantity coefficient value is set as 300%, then, 300%/60=5%, if the battery electric quantity value of Current vehicle is the 50% of total electricity, then 50%+5%=55%, the basic power threshold less than 60%, is judged to need to charge, and charging pile is charged to electric automobile.
If the battery electric quantity value of Current vehicle is the 56% of total electricity, so basic quantity coefficient value is 56%+5%=61% plus the battery electric quantity value of Current vehicle divided by the numerical value drawn after time difference, basic power threshold more than 60%, is judged to need to charge, and charging pile is charged to electric automobile.
If similar multiple measurement period average computation are got off, basic power threshold is relatively low, more difficult to reach charge threshold in this place by means of car negligible amounts Saturday.
If having the distance of some vehicle parkings within 200 meters, compare the voltage value of Adjacent vehicles, central server is being judged to need to be started to charge up successively from high to low with electricity in the vehicle for charging.
Select to return the car order and after swiping the card at charging pile in on-board information platform in user, central server sends cost information to handheld terminal and on-board information platform, if handheld terminal is connected disconnection with central server, charge information is directly sent in second brush rfid card to handheld terminal.
The method that the present embodiment employs timesharing lease, employs positive time-sharing charging rent method, with reference to local peak-trough electricity electricity price and electricity consumption strategy, while without prejudice to is normally hired a car and returned the car, substantially reduces electric cost.The setting of the present embodiment possesses the function of member card verification, must assure that the user prestored in only vehicle and charging pile GPRS terminals just can hire a car, system in the present embodiment supports that according to the actual requirements user rents many cars or restriction user only rents a car, and the binding of vehicle and charging pile is realized in communication when user returns the car by car with charging pile.The present embodiment realizes reservation priority principle, and vehicle locks subscriber Jing after reservation, and other users cannot again lease this vehicle, and the limited time of reservation is determined.If having leased other vehicles after the time-out of user's reservation simultaneously or reservation, reservation is cancelled automatically.Same reservation strategy can also be supported including charging pile.The present embodiment employs the method for limiting area by means of car, it is determined that by means of car scope, it is therefore prevented that on a large scale with the generation that region car stressful situation is appraised and decided caused by car.Different regions correspondence is reached different by means of car basis power threshold, namely allow more by means of the larger charging pile charging of car frequency, holding electricity as much as possible, most people is enabled to borrow car as much as possible, both the demand of vehicle electricity had been take into account, it is also contemplated that the demand that vehicle is used, the Financial cost of satisfaction and the double requirements of use cost.
Specific embodiment described herein is only explanation for example spiritual to the present invention.Those skilled in the art can be made various modifications to described specific embodiment or supplement or substituted using similar mode, but without departing from the spiritual of the present invention or surmount scope defined in appended claims.
Although more having used the terms such as MDL, timesharing lease, charging pile herein, it is not precluded from using the probability of other terms.It is used for the purpose of more easily describing and explaining the essence of the present invention using these terms；It is all contrary with spirit of the invention to be construed as any additional restriction.
Claims (10)
1. a kind of leader follower replication framework data base, it is characterized in that, including MDL and standby database, the MDL is operated on main database server, the standby database is operated on standby database server, the main database server and standby database server belong to the ingredient of the central server of electric automobile timesharing leasing system, main database server and standby database server are separated and are stored in different IDC machine rooms, and MDL is connected with standby database by data channel.
2. leader follower replication framework data base according to claim 1, it is characterized in that, when MDL receives modification instruction, modification daily record is generated simultaneously, and modification daily record is delivered to into standby database, standby database receive modification daily record after, according to database recovery flow process by the modification content synchronization of MDL in standby database.
3. leader follower replication framework data base according to claim 1 and 2, it is characterised in that MDL is responsible for processing the system business of electric automobile timesharing leasing system, and standby database is responsible for the form business of the read-only class for processing electric automobile timesharing leasing system.
4. a kind of electric automobile timesharing leasing system, for the lease of electric automobile, it is characterised in that：Including central server、Several child servers、User's handheld terminal of the lease APP of electric automobile is installed、The access terminal of connection the Internet、Several are equipped with the automobile charging pile and the timesharing leasing system being disposed on each electric automobile of communication and processing meanss，User's handheld terminal and access terminal are communicated to connect with described central server，The child servers are communicated to connect with described central server，The child servers are communicated to connect respectively with several automobile charging piles，Timesharing leasing system on each electric automobile is communicated to connect with described child servers，The timesharing leasing system includes vehicle communication device、For collecting vehicle information and the on-board information platform for processing、Information reader unit for authentication and the vehicle control module that car door and power are controlled，Described information reader unit、Vehicle control module and vehicle communication device are connected with described on-board information platform，The on-board information platform is communicated to connect by vehicle communication device with child servers；
Described central server includes main database server and standby database server, and operation on main database server has MDL, and operation on standby database server has standby database, and MDL and standby database are connected by data channel.
5. electric automobile timesharing leasing system according to claim 4, it is characterised in that：The on-board information platform is with display and interactive function, the intelligent control device for being provided with intelligent operating system and being connected with electric automobile bus；The on-board information platform includes message processing module, charter business module, information exchange module, vehicle query reservation module, charging pile query-reservation module and module of returning the car, and the charter business module, information exchange module, vehicle query reservation module, charging pile query-reservation module and module of returning the car are connected with described message processing module；The vehicle communication device is GPRS module, and described information reader unit is RFID card reader module, and the timesharing leasing system also includes display lamp reminding module, and the display lamp reminding module is electrically connected with described on-board information platform.
6. electric automobile timesharing leasing system according to claim 4, it is characterised in that：The automobile charging pile is in each infield with the installation of charging pile cluster form, each charging pile cluster is mounted on a cluster controller and a GPRS terminal, the GPRS terminals are electrically connected with the cluster controller of place infield, charging pile described in each includes RFID card reader and ground lock, the RFID card reader and ground lock are electrically connected with described cluster controller, the cluster controller is connected by GPRS terminals with described child servers communication, and each GPRS terminal is the GPRS terminals with storage chip.
7. electric automobile timesharing leasing system according to claim 6, it is characterised in that：Charter business module is installed in the electric automobile timesharing leasing system, charter business module includes charter business logic and business conduct module on central server, member management module on central server, vehicle information management module on central server, charging pile management module on cluster controller, the lease APP of the electric automobile on user's handheld terminal, the lease APP of the electric automobile on on-board information platform, access the WEB user sides in terminal and WEB managers end, charter business logic and business conduct module respectively with member's management module, vehicle information management module, charging pile management module, the lease APP of the electric automobile on user's handheld terminal, the lease APP of the electric automobile on on-board information platform, access the WEB user sides in terminal and the connection of WEB managers end.
8. electric automobile timesharing leasing system according to claim 7, it is characterised in that：Membership information management two-way interactive data-interface is provided with the member management module，The lease APP of the electric automobile on the on-board information platform is arranged in message processing module，The lease APP of the electric automobile on on-board information platform includes vehicle location functional module、Car status information functional module and business information both-way communication interface，The vehicle location functional module、Car status information functional module and business information both-way communication interface are connected with described charter business logic and business conduct module，Charging pile management module includes charging pile management system interface、Charging pile monitoring module、The predetermined charging pile binding module of car、The powered off and on management module of charging pile，The charging pile monitoring module、The predetermined charging pile binding module of car、The powered off and on management module of charging pile is connected by electric stake management system interface with charter business logic and business conduct module.
9. electric automobile timesharing leasing system according to claim 7, it is characterised in that：The WEB user sides include user account management module, information management module, business handling module and charter business release module, the user account management module, information management module, business handling module and charter business release module are connected with described charter business logic and business conduct module, the WEB managers end includes vehicle maintenance module, charging pile is safeguarded, charging setup module, vehicle state monitoring and threshold value setting module and information issuing module, the vehicle maintenance module, charging pile is safeguarded, charging setup module, vehicle state monitoring and threshold value setting module and information issuing module are connected with described charter business logic and business conduct module.
10. a kind of electric automobile timesharing rent method, is used in electric automobile timesharing leasing system as claimed in claim 4, it is characterised in that：Including user account management method, rent returning method and charging management method；User account management method includes the registration of user, nullifies and synchronous；
Renting returning method includes：Central server receives control signal and performs corresponding steps, step of returning the car of hiring a car is performed when central server is received hire a car and return the car signal, when central server receive reservation hire a car signal when perform reservation and hire a car step, reservation charge step is performed when central server receives reservation charging signals, when central server receive strange land hire a car signal when perform strange land and hire a car step；
Charging management method includes：Charging pile obtains the current electric motor car information stopped and sends to central server, central server carries out electricity and calculates and assign time-sharing charging control command according to electric motor car current vehicle condition and ambient parameter, and charging pile carries out time-sharing charging to the current electric motor car for stopping；
Described central server includes main database server and standby database server, and operation on main database server has MDL, and operation on standby database server has standby database, and MDL and standby database are connected by data channel.
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Application publication date: 20170510 |