CN106657186A - Hardware load balancing method for electric vehicle time-sharing leasing system - Google Patents
Hardware load balancing method for electric vehicle time-sharing leasing system Download PDFInfo
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- CN106657186A CN106657186A CN201510730920.3A CN201510730920A CN106657186A CN 106657186 A CN106657186 A CN 106657186A CN 201510730920 A CN201510730920 A CN 201510730920A CN 106657186 A CN106657186 A CN 106657186A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1001—Protocols in which an application is distributed across nodes in the network for accessing one among a plurality of replicated servers
- H04L67/1004—Server selection for load balancing
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07F—COIN-FREED OR LIKE APPARATUS
- G07F17/00—Coin-freed apparatus for hiring articles; Coin-freed facilities or services
- G07F17/0042—Coin-freed apparatus for hiring articles; Coin-freed facilities or services for hiring of objects
- G07F17/0057—Coin-freed apparatus for hiring articles; Coin-freed facilities or services for hiring of objects for the hiring or rent of vehicles, e.g. cars, bicycles or wheelchairs
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1001—Protocols in which an application is distributed across nodes in the network for accessing one among a plurality of replicated servers
- H04L67/1004—Server selection for load balancing
- H04L67/1008—Server selection for load balancing based on parameters of servers, e.g. available memory or workload
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1001—Protocols in which an application is distributed across nodes in the network for accessing one among a plurality of replicated servers
- H04L67/1029—Protocols in which an application is distributed across nodes in the network for accessing one among a plurality of replicated servers using data related to the state of servers by a load balancer
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Hardware Design (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention relates to a hardware load balancing method for an electric vehicle time-sharing leasing system. In this method, a user handheld terminal, a time-sharing leasing device and a WEB client only need to access the address of a load balancer; the load balancer receives an HTTP connection request, detects the status of each APP server, and decides which APP server is to be selected to serve for this request according to a load balancing strategy; the load balancer forwards the user request to the selected APP server, receives response data of the APP server and returns to the request end; and when a member logs in for the first time, data on the member is written into a member login status database via the load balancer and the APP server, and the APP server obtains the data on the member from the member login status database through the member address. The invention divides the pressure of member access for the different APP servers to share, thereby achieving the purpose of load balancing and communication failover, reducing the system access pressure and improving the system reliability.
Description
Technical field
The present invention relates to a kind of car rental system, more particularly to a kind of electric automobile timesharing leasing system hardware
Load-balancing method.
Background technology
At present ripe car rental system typically adopts book keeping operation formula scheme, per the rent of single lease during operation
Car, returning the car, record, keeping accounts, charging etc. is required for artificial participating in just to complete, it is impossible to realize self-service rent
Rent pattern, waste time and energy, it is also error-prone.Hiring a car, return the car, recording, keeping accounts, charging etc. can be with self-service
The electric automobile timesharing leasing system that mode is completed, it is time saving and energy saving, error is also less prone to, it is ten hundreds of meetings
Member's offer electric automobile service of cars on hire, but ever-increasing member can cause the access pressure that increasingly weighs to system
Power, is to ensure that electric automobile timesharing leasing system smoothly implements problem in the urgent need to address.
The content of the invention
The present invention is in order to solve above-mentioned technical problem, there is provided a kind of electric automobile timesharing leasing system hardware load
Equalization methods, different APP servers are shared by way of load balancing the pressure of member accesses,
The purpose of load balancing and communication failure transfer is reached, system reliability is improved, is met to ten hundreds of meetings
The needs of member's offer electric automobile service of cars on hire.
What the above-mentioned technical problem of the present invention was mainly addressed by following technical proposals：The electricity of the present invention
Electrical automobile timesharing leasing system includes APP servers, load equalizer, member logging status data base, peace
User's handheld terminal of APP is leased equipped with electric automobile, is connected the WEB user sides of the Internet and is disposed in every
On one electric automobile and be provided with electric automobile lease APP timesharing leasing system, the present invention electronic vapour
Car timesharing leasing system hardware load equalization methods comprise the following steps：
1.. described user's handheld terminal, timesharing leasing system and WEB user sides need to only access described load
The address of equalizer；
2.. described load equalizer receive user handheld terminal, timesharing leasing system and WEB user sides
HTTP connection requests, detect the state of each APP servers, determine which APP selected according to load balancing
Server is this request service；
3.. load equalizer is transmitted to user's request the APP servers selected, and receiving APP servers should
Answer evidence simultaneously returns to user's handheld terminal, timesharing leasing system and the WEB user sides for sending request；
4.. during member's first login, Jing load equalizers and APP servers are to member logging status data base
Write member data, member data includes member address, session key, last access time and connected APP
The address of server, APP servers obtain member's number by member address from member's logging status data base
According to.
Load equalizer is according to the temperature of each APP servers, voltage, maintenance time, service life and continuous
Working time carries out comprehensive analysis, makes load balancing, and to APP servers most safety distribution is carried out,
Which APP server is user's request is transmitted to by final decision.User's handheld terminal, timesharing leasing system and
WEB user sides access APP server clusters by http protocol, to obtain the service of backstage offer.With
Family handheld terminal, timesharing leasing system and WEB user sides access load equalizer and directly access APP services
The effect that device is played is the same, and which APP server require no knowledge about connection is.This technology
Scheme can pass through the method for increasing APP servers, improve the overall load capacity of system.Introduce member to step on
Record slip condition database realizes that member data is shared.Member logging status data base adopts cache database,
Improve systematic function.For the request that same user sends, may also may be used by A server providing services
Can be by B server providing services, in order to identical member can be obtained in different server in this case
Data, are shared by introducing member's logging status database realizing member data.The present invention reaches load balancing
With the purpose of communication failure transfer, reduce system and access pressure, improve system reliability, meet to number with ten thousand
The member of meter provides the needs of electric automobile service of cars on hire.
Preferably, described load equalizer detection sends the address of theenduser of request, same subscriber address
Request is forwarded to same APP server.Process time is saved, communication more rapidly, economizes on resources.
Preferably, described load equalizer can carry out automatic fault detection to each APP servers, when certain
Individual APP servers occur delaying machine when, load equalizer automatically user's request be transmitted to other normal operation
APP servers.Guarantee the normal operation of system.
Preferably, the electric automobile timesharing rent method of described electric automobile timesharing leasing system includes using
Family account management method, rent returning method and charging management method；User account management method includes user
Registration, nullify and synchronous；Renting returning method includes：APP servers receive control signal and perform corresponding step
Suddenly, step of returning the car of hiring a car is performed when APP servers are received hire a car and return the car signal, when APP servers are received
Reservation hire a car signal when perform reservation and hire a car step, perform when APP servers receive reservation charging signals pre-
About charge step, when APP servers receive strange land hire a car signal when perform strange land and hire a car step；Charge Management
Method includes：Automobile charging pile obtains the current electric motor car information stopped and sends to APP servers, APP clothes
Business device carries out electricity and calculates and assign time-sharing charging control life according to electric motor car current vehicle condition and ambient parameter
Order, automobile charging pile carries out time-sharing charging to the current electric motor car for stopping.By the electricity on user's handheld terminal
Electrical automobile lease APP, the electric automobile lease APP in the timesharing leasing system on electric automobile and
Electric automobile renting software on WEB user sides, realizes the multiformity with user interaction, strengthens Consumer's Experience.
The binding of APP accounts and member's card number is leased by the electric automobile on user's handheld terminal, realization can pass through
Member card and APP account two ways are hired a car, and can cross-reference, realize linkage.By by user
Data register realizes the pattern of local wagon control, backstage charging in vehicle GPRS module, both enhances
The response speed of vehicle end, in turn, ensures that the stability of metering data.It is real by the management of automobile charging pile
The now binding of automobile charging pile and car, automobile charging pile condition managing and control.By by whole leasing system
Be subdivided into operation system, communication system and each child resource management system, realize system it is stable, reliable,
Safety and business fluency, lift treatment effeciency.The hiring a car, return the car of electric automobile timesharing leasing system,
Record, book keeping operation, charge etc. are all completed in user self-help mode, time saving and energy saving, the intellectuality of scheduling and distribution
Degree is high, not error-prone.
Preferably, described user be registered as ID is input into user's handheld terminal and timesharing lease
In the GPRS terminals of device or GPRS module, the cancellation of user is to user's handheld terminal and timesharing by input
ID in the GPRS terminals of leasing system or GPRS module is deleted, and the synchronization of user is APP servers
Timing synchronizes all GPRS terminals or the ID in GPRS module.In user's registration system design
It is the ID of user to be brushed in the storage chip of GPRS terminals, ID is verified when user hires a car and realizes hiring a car
Business, it is ensured that swipe the card when user hires a car and do not postpone sense, user log off is with user's registration on the contrary, being directed to
Exit or because other reasonses cancel the member of timesharing charter business, system needs to will be stored in charging pile and vehicle
The ID of GPRS terminals is nullified.Then user's synchronization is performed, system possesses the function of Timing Synchronization data, really
The ID for protecting vehicle and charging pile GPRS terminals is last state.
Preferably, described timesharing leasing system is including GPRS module, for collecting vehicle information and process
Intelligent control device, the RFID card reader for authentication and vehicle that car door and power are controlled
Control module, the RFID card reader, vehicle control module and GPRS module with described Based Intelligent Control
Equipment connects, and the intelligent control device is connected by GPRS module with APP server communications；
The step of returning the car of hiring a car includes：
RFID card reader Card Reader, intelligent control device judges current vehicle condition, if current vehicle condition is not inconsistent
Close unlocking condition then vehicle control module refusal opening car door, end of hiring a car；
Locked door by vehicle control module solution if current vehicle condition meets unlocking condition, user into the car,
Meanwhile, intelligent control device transmits current Card Reader data to APP servers, and APP servers return user account
Information to GPRS module, if APP servers return user account information for Sorry, your ticket has not enough value, close by vehicle control module
Vehicle power power supply is closed, terminates to hire a car after intelligent control device prompting；
If it is that remaining sum is sufficient that APP servers return user account information, vehicle control module unlocking vehicle power current
Source, then carried out hiring a car using by user；
After user stops, intelligent control device shows selection information, makes if user is temporary parking
User swipes the card or sends order to vehicle control module using user's handheld terminal carries out door operation, if using
Person to return the car operation, then in intelligent control device selection return the car and order and swipe the card at automobile charging pile by user,
Automobile charging pile is bound with vehicle, and user is returned the car.
In the technical program, hire a car return the car service logic/flow process be whole system core, the present invention possesses meeting
The function of member's card verification, it is necessary to ensure that the user for only prestoring in vehicle and automobile charging pile GPRS terminals is
Can hire a car, system supports that according to the actual requirements user rents many cars or restriction user only rents a car, and user is also
The binding of vehicle and automobile charging pile is realized in communication during car by car with automobile charging pile.
Preferably, described reservation is hired a car, step is：User is by user's handheld terminal or WEB user
Free vehicle is searched at end, and the reservation that transmission reservation is hired a car hires a car signal to APP servers, the APP services
Device sends reservation and hires a car signal to designated vehicle, and synchronized transmission preengages the automobile that signal of hiring a car is bound to vehicle
Charging pile；If in the subscription time of setting, user fails execution and hires a car the step or in non-designated car of returning the car
Hire a car step of returning the car of upper execution then sends cancellation reservation and hires a car signal to designated vehicle.
Preferably, described strange land is hired a car, step is：Add ground in registration, cancellation and synchronization in user
Area's code；Corresponding automobile charging pile and timesharing leasing system are also provided with area code, when user passes through user
After handheld terminal or WEB user sides hire a car application to APP servers proposition strange land, APP servers parsing target
The area code of address and then will propose that the hire a car ID of application of strange land is input into the GPRS terminals of destination address
Or in GPRS module and perform synchronizing step.Present invention employs the method for limiting area by means of car, it is determined that borrow
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, described reservation charge step includes：User is used by user's handheld terminal or WEB
The electricity of free vehicle and corresponding vehicle is searched at family end, is sent subscription time and is required the reservation signal that reservation is charged
To APP servers, the APP servers send reservation charging signals to designated vehicle, and synchronized transmission is pre-
The automobile charging pile that about charging signals are bound to vehicle, if in the subscription time of setting, user fails to hold
Row 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, other
User cannot again lease this vehicle, and the limited time of reservation is determined.If after the time-out of user's reservation simultaneously or reservation
Other vehicles are leased, reservation is cancelled automatically.Automobile charging pile can also support same reservation strategy.
If preferably, having the distance of some vehicle parkings within 200 meters, comparing Adjacent vehicles
Voltage value, APP servers in being judged to need the vehicle for charging with electricity order from high to low successively
By automobile charging pile to Vehicular charging.The technical program ensure that as much as possible vehicle is rapidly completed charging
Can use, while also having made rational planning for the charging interval, save cost.
The invention has the beneficial effects as follows：The hiring a car, return the car, recording, keeping accounts of electric automobile timesharing leasing system,
Charge etc. is all completed in self-service mode, time saving and energy saving, and distribution and scheduling are reasonable, and intelligence degree is high, is difficult
Error.Different APP servers are shared the pressure of member accesses by load equalizer, load is reached
The purpose of balanced and communication failure transfer, reduces system and accesses pressure, improves system reliability, meets to number
Member in terms of ten thousand provides the needs of electric automobile service of cars on hire.
Description of the drawings
Fig. 1 is a kind of system attachment structure block diagram of the present invention.
Fig. 2 is a kind of attachment structure schematic diagram of timesharing leasing system in the present invention.
Specific embodiment
Below by embodiment, and accompanying drawing is combined, technical scheme is described in further detail.
Embodiment：The electric automobile timesharing leasing system hardware load equalization methods of the present embodiment, such as Fig. 1 institutes
Show, electric automobile timesharing leasing system includes APP servers 1, load equalizer 2, member's logging status number
According to storehouse 6, user's handheld terminal 3 of electric automobile lease APP is installed, connects the WEB user sides of the Internet
4 and be disposed on each electric automobile and be provided with electric automobile lease APP timesharing leasing system 5, use
Family handheld terminal 3, timesharing leasing system 5 and WEB user sides 4 can be real by network and load equalizer 2
Now communication connection, load equalizer 2 and each APP servers 1 realize communication connection, APP servers 1 and meeting
Member's logging status data base 6 is connected by communication.Information management module, user account are installed on WEB user sides 4
Management module and business handling and charter business cloth module.Each APP servers 1 are connected with central server,
Charter business logic and business conduct module, vehicle information management module are installed on central server and are carried
Membership information manages the member management module of two-way interactive data-interface, and central server has by network connection
WEB managers end, central server is connected also by network with each automobile charging pile.Install at WEB managers end
There are charging pile maintenance module, charging setup module, vehicle maintenance module, information issuing module and vehicle-state
Monitoring and threshold value setting module.As shown in Fig. 2 timesharing leasing system 5 is including GPRS module 51, for car
Information gathering and the intelligent control device 52 for processing, the RFID card reader 53 for authentication, to car
Vehicle control module 54 and display lamp suggestion device 55 that door and power are controlled, RFID card reader, car
Control module and GPRS module are connected with intelligent control device, and intelligent control device passes through GPRS module
It is connected with APP server communications.The information that APP is leased including electric automobile is installed on intelligent control device
Processing module and the charter business module being connected with message processing module, charging pile query-reservation module, return the car
Module, information exchange module and vehicle query reservation module, the electric automobile lease on electric automobile
APP includes vehicle location functional module, car status information functional module and business information both-way communication interface.
Electric automobile timesharing leasing system hardware load equalization methods comprise the following steps：
1.. user's handheld terminal, timesharing leasing system and WEB user sides need to only access the address of load equalizer；
2.. the HTTP of load equalizer receive user handheld terminal, timesharing leasing system and WEB user sides connects
Request is connect, the state of each APP servers is detected, determines which APP service selected according to load balancing
Device is this request service；
3.. load equalizer is transmitted to user's request the APP servers selected, and receiving APP servers should
Answer evidence simultaneously returns to user's handheld terminal, timesharing leasing system and the WEB user sides for sending request；
4.. during member's first login, Jing load equalizers and APP servers are to member logging status data base
Write member data, member data includes member address, session key, last access time and connected APP
The address of server, APP servers obtain member's number by member address from member's logging status data base
According to.
Load equalizer detection sends the address of theenduser of request, and the request of same subscriber address is forwarded to same
APP servers.
Load equalizer can carry out automatic fault detection to each APP servers, when certain APP server occurs
Delay machine when, load equalizer automatically user's request be transmitted to other normal operation APP servers.
The electric automobile timesharing rent method of electric automobile timesharing leasing system include user account management method,
Rent returning method and charging management method；User account management method includes the registration of user, nullifies and same
Step；Renting returning method includes：APP servers receive control signal and perform corresponding steps, when APP servers
Reception is hired a car to be performed when returning the car signal and is hired a car step of returning the car, when APP servers receive reservation hire a car signal when hold
Row reservation is hired a car step, and reservation charge step is performed when APP servers receive reservation charging signals, works as APP
Server receive strange land hire a car signal when perform strange land and hire a car step；Charging management method includes：Automobile charges
Stake obtains the current electric motor car information stopped and sends to APP servers, and APP servers are current according to electric motor car
Vehicle-state and ambient parameter carry out electricity and calculate and assign time-sharing charging control command, and automobile charging pile is to working as
The electric motor car of front parking carries out time-sharing charging.
The GPRS terminals for being registered as being input into ID to user's handheld terminal and timesharing leasing system of user
Or in GPRS module, the cancellation of user is by input to user's handheld terminal and the GPRS of timesharing leasing system
ID in terminal or GPRS module is deleted, and the synchronization of user is the timing of APP servers by all GPRS
ID in terminal or GPRS module is synchronized.
The step of returning the car of hiring a car includes：
RFID card reader Card Reader, intelligent control device judges current vehicle condition, if current vehicle condition is not inconsistent
Close unlocking condition then vehicle control module refusal opening car door, end of hiring a car；
Locked door by vehicle control module solution if current vehicle condition meets unlocking condition, user into the car,
Meanwhile, intelligent control device transmits current Card Reader data to APP servers, and APP servers return user account
Information to GPRS module, if APP servers return user account information for Sorry, your ticket has not enough value, close by vehicle control module
Vehicle power power supply is closed, terminates to hire a car after intelligent control device prompting；
If it is that remaining sum is sufficient that APP servers return user account information, vehicle control module unlocking vehicle power current
Source, then carried out hiring a car using by user；
After user stops, intelligent control device shows selection information, makes if user is temporary parking
User swipes the card or sends order to vehicle control module using user's handheld terminal carries out door operation, if using
Person to return the car operation, then in intelligent control device selection return the car and order and swipe the card at automobile charging pile by user,
Automobile charging pile is bound with vehicle, and user is returned the car.
Preengaging step of hiring a car is：User searches free vehicle by user's handheld terminal or WEB user sides,
Send the reservation hired a car of reservation and hire a car signal to APP servers, the APP servers send reservation and hire a car letter
Number to designated vehicle, and synchronized transmission reservation is hired a car the automobile charging pile that signal binds to vehicle；If in setting
Subscription time in, user fails execution hires a car to return the car and step or performs on non-designated vehicle and hire a car and return the car
Step then sends cancellation reservation and hires a car signal to designated vehicle.
Strange land step of hiring a car is：Area code is added in registration, cancellation and synchronization in user；Corresponding automobile fills
Electric stake and timesharing leasing system are also provided with area code, when user is used by user's handheld terminal or WEB
Family end is hired a car after application to APP servers proposition strange land, and the area code of APP servers parsing destination address is then
To 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 holds
Row synchronizing step.
Reservation charge step includes：User searches free vehicle by user's handheld terminal or WEB user sides
And the electricity of corresponding vehicle, send subscription time and require the reservation signal of reservation charging to APP servers, institute
State APP servers and send reservation charging signals to designated vehicle, and synchronized transmission preengages charging signals to vehicle
The automobile charging pile of binding, 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.
If having the distance of some vehicle parkings within 200 meters, compare the voltage value of Adjacent vehicles,
Order of the APP servers with electricity from high to low in being judged to need the vehicle of charging passes sequentially through automobile and fills
Electric stake is to Vehicular charging.
In charging management method, charging pile is using peak-trough electricity charging charging pile, if current time is in paddy
In electric chargeable time, charging pile is charged to electric automobile；
If current time is in peak electricity chargeable time, car of the central server according to charging pile current bindings
The car status information that middle on-board information platform is uploaded is operated to charging pile, if current bindings vehicle Jing
Overcharge judgement, is judged to that then charging pile is charged to electric automobile for needs charging, if it is determined that to forbid filling
Electric then charging pile stops being charged electric automobile；
Charging judges that step includes following sub-step：
Charging judges sub-step one, central server to the basic power threshold of assignment one of each charging pile with
One basic quantity coefficient value, basic power threshold and basic quantity coefficient value are by artificial or central server
Calculate setting；
Charging judges sub-step two, central server reading current time, the paddy electricity chargeable time opening time and
The battery electric quantity value of Current vehicle, central server calculates current time and paddy electricity chargeable time open-interval
Difference draws time difference；
Charging judges sub-step three, and basic quantity coefficient value adds fooled divided by the numerical value drawn after time difference
The battery electric quantity value of vehicle in front is then judged to forbid charging more than or equal to described basic power threshold, if
Battery electric quantity value of the basic quantity coefficient value divided by the numerical value drawn after time difference plus Current vehicle is less than
The basic power threshold is then judged to need to charge.
In charging judges sub-step, the average of correspondence date is taken advantage of by means of train number number in the last measurement period of charging pile
Electricity correction value is drawn with given percent coefficient, basic power threshold adds electricity amendment by basic charge value
It is worth, basic charge value is unified numerical value.
The electrical automobile timesharing leasing system of the present invention is hired a car, returns the car, recording, keeping accounts, charge etc. all with oneself
Mode is helped to complete, time saving and energy saving, it is reasonable to distribute and dispatch, and intelligence degree is high, not error-prone.By negative
Equalizer reasonable distribution APP server is carried, the purpose of load balancing and communication failure transfer is reached, is reduced logical
News pressure, improves system reliability, meets the need that electric automobile service of cars on hire is provided to ten hundreds of members
Will.
The method that the electrical automobile timesharing leasing system of the present invention is leased using timesharing, using 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 is returned the car,
Substantially reduce electric cost.Possesses the function of member card verification, it is necessary to ensure that only vehicle and charging pile
The user prestored in GPRS terminals just can hire a car.System 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.
Reservation priority principle is realized, vehicle locks subscriber Jing after reservation, and other users cannot again lease this vehicle,
The limited time of reservation is determined.If while other vehicles have been leased after user's reservation time-out or reservation, reservation is certainly
It is dynamic to cancel.The method for borrowing car using restriction area, it is determined that by means of car scope, it is therefore prevented that caused with car on a large scale
The generation for appraising and deciding region car stressful situation.Different regions correspondence is reached different by means of car basis electricity threshold
Value, that is, allow by means of larger charging pile more, the holding electricity as much as possible of charging of car frequency so that it is big
Majority can as much as possible borrow car, both take into account the demand of vehicle electricity, it is also contemplated that vehicle is used
Demand, the Financial cost of satisfaction and the double requirements of use cost.
Embodiment described above is one kind preferably scheme of the present invention, and any shape is not made to the present invention
Restriction in formula, on the premise of without departing from the technical scheme described in claim also have other variants and
Remodeling.
Claims (10)
1. a kind of electric automobile timesharing leasing system hardware load equalization methods, it is characterised in that electric automobile point
When leasing system include APP servers, load equalizer, member logging status data base, be provided with it is electronic
User's handheld terminal of automobile leasing APP, the WEB user sides of connection the Internet and be disposed in each it is electronic
On automobile and the timesharing leasing system that electric automobile leases APP is installed, electric automobile timesharing leasing system is hard
Part load-balancing method comprises the following steps：
1.. described user's handheld terminal, timesharing leasing system and WEB user sides need to only access described load
The address of equalizer；
2.. described load equalizer receive user handheld terminal, timesharing leasing system and WEB user sides
HTTP connection requests, detect the state of each APP servers, determine which APP selected according to load balancing
Server is this request service；
3.. load equalizer is transmitted to user's request the APP servers selected, and receiving APP servers should
Answer evidence simultaneously returns to user's handheld terminal, timesharing leasing system and the WEB user sides for sending request；
4.. during member's first login, Jing load equalizers and APP servers are to member logging status data base
Write member data, member data includes member address, session key, last access time and connected APP
The address of server, APP servers obtain member's number by member address from member's logging status data base
According to.
2. electric automobile timesharing leasing system hardware load equalization methods according to claim 1, it is special
It is that load equalizer detection sends the address of theenduser of request to levy, and the request of same subscriber address is forwarded to same
Platform APP servers.
3. electric automobile timesharing leasing system hardware load equalization methods according to claim 1 and 2,
It is characterized in that described load equalizer can carry out automatic fault detection to each APP servers, as certain APP
Server occur delaying machine when, load equalizer automatically user's request be transmitted to other normal operation APP clothes
Business device.
4. electric automobile timesharing leasing system hardware load equalization methods according to claim 1, it is special
Levying the electric automobile timesharing rent method of the electric automobile timesharing leasing system described in being includes user account pipe
Reason method, rent returning method and charging management method；The registration of user account management method including user,
Nullify and synchronous；Renting returning method includes：APP servers receive control signal and perform corresponding steps, when
APP servers receive hiring a car step of returning the car of hiring a car of perform when returning the car signal, hire a car when APP servers receive reservation
Reservation is performed during signal to hire a car step, reservation is performed when APP servers receive reservation charging signals and is charged step
Suddenly, when APP servers receive strange land hire a car signal when perform strange land and hire a car step；Charging management method includes：
Automobile charging pile obtains the current electric motor car information stopped and sends to APP servers, and APP servers are according to electricity
Motor-car current vehicle condition and ambient parameter carry out electricity and calculate and assign time-sharing charging control command, and automobile fills
Electric stake carries out time-sharing charging to the current electric motor car for stopping.
5. electric automobile timesharing leasing system hardware load equalization methods according to claim 4, it is special
Levy be user the GPRS ends for being registered as being input into ID to user's handheld terminal and timesharing leasing system
In end or GPRS module, the cancellation of user is by input to user's handheld terminal and the GPRS of timesharing leasing system
ID in terminal or GPRS module is deleted, and the synchronization of user is the timing of APP servers by all GPRS
ID in terminal or GPRS module is synchronized.
6. electric automobile timesharing leasing system hardware load equalization methods according to claim 4, it is special
Levy is that described timesharing leasing system includes GPRS module, controls for collecting vehicle information and the intelligence of process
Control equipment, the RFID card reader for authentication and the vehicle control module that car door and power are controlled,
The RFID card reader, vehicle control module and GPRS module are connected with described intelligent control device,
The intelligent control device is connected by GPRS module with APP server communications；
The step of returning the car of hiring a car includes：
RFID card reader Card Reader, intelligent control device judges current vehicle condition, if current vehicle condition is not inconsistent
Close unlocking condition then vehicle control module refusal opening car door, end of hiring a car；
Locked door by vehicle control module solution if current vehicle condition meets unlocking condition, user into the car,
Meanwhile, intelligent control device transmits current Card Reader data to APP servers, and APP servers return user account
Information to GPRS module, if APP servers return user account information for Sorry, your ticket has not enough value, close by vehicle control module
Vehicle power power supply is closed, terminates to hire a car after intelligent control device prompting；
If it is that remaining sum is sufficient that APP servers return user account information, vehicle control module unlocking vehicle power current
Source, then carried out hiring a car using by user；
After user stops, intelligent control device shows selection information, makes if user is temporary parking
User swipes the card or sends order to vehicle control module using user's handheld terminal carries out door operation, if using
Person to return the car operation, then in intelligent control device selection return the car and order and swipe the card at automobile charging pile by user,
Automobile charging pile is bound with vehicle, and user is returned the car.
7. the electric automobile timesharing leasing system hardware load equilibrium side according to claim 4 or 5 or 6
Method, it is characterised in that reservation step of hiring a car is：User is by user's handheld terminal or WEB user sides
Free vehicle is searched, the reservation that transmission reservation is hired a car hires a car signal to APP servers, the APP servers
Send reservation and hire a car signal to designated vehicle, and synchronized transmission is preengage signal of hiring a car and is filled to the automobile that vehicle is bound
Electric stake；If in the subscription time of setting, user fails execution and hires a car the step or in non-designated vehicle of returning the car
It is upper execution hire a car return the car step then send cancellation reservation hire a car signal to designated vehicle.
8. the electric automobile timesharing leasing system hardware load equilibrium side according to claim 4 or 5 or 6
Method, it is characterised in that described strange land step of hiring a car is：Add ground in registration, cancellation and synchronization in user
Area's code；Corresponding automobile charging pile and timesharing leasing system are also provided with area code, when user passes through user
After handheld terminal or WEB user sides hire a car application to APP servers proposition strange land, APP servers parsing target
The area code of address and then will propose that the hire a car ID of application of strange land is input into the GPRS terminals of destination address
Or in GPRS module and perform synchronizing step.
9. the electric automobile timesharing leasing system hardware load equilibrium side according to claim 4 or 5 or 6
Method, it is characterised in that described reservation charge step includes：User is used by user's handheld terminal or WEB
The electricity of free vehicle and corresponding vehicle is searched at family end, is sent subscription time and is required the reservation signal that reservation is charged
To APP servers, the APP servers send reservation charging signals to designated vehicle, and synchronized transmission is pre-
The automobile charging pile that about charging signals are bound to vehicle, if in the subscription time of setting, user fails to hold
Row 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.
10. electric automobile timesharing leasing system hardware load equalization methods according to claim 9, it is special
If levy be the distance for having some vehicle parkings within 200 meters, compare the current electric quantity of Adjacent vehicles
Value, order of the APP servers with electricity from high to low in being judged to need the vehicle of charging passes sequentially through automobile
Charging pile is to Vehicular charging.
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