CN109102638A - The power supply self-balance method of electric car leasing system - Google Patents
The power supply self-balance method of electric car leasing system Download PDFInfo
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- G07F17/00—Coin-freed apparatus for hiring articles; Coin-freed facilities or services
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Abstract
The invention discloses a kind of power supply self-balance methods of electric car leasing system, solves problem of the prior art, its technical solution, control centre station is additionally provided with environment data module, control centre station is according to the environmental data over the years of storage and the charging pile electricity consumption data over the years of access power grid, predict the whole electricity consumption data of target day, and the average target electricity of electric car is calculated according to the total amount for participating in the electric car of operation target day, within the paddy electricity period, charging pile will have been accessed by the selection of control centre station and electricity preferentially charges less than the electric car of average target electricity, if current electric car total electricity is less than the whole electricity consumption data of target day after the charging of paddy electricity time, control centre station just selects to charge to electric car within the peak electric period.
Description
Technical field
The present invention relates to administrative skill field more particularly to a kind of power supply self-balancing sides of electric car leasing system of hiring a car
Method.
Background technique
Automobile rent industry is a kind of emerging transportation service industry, it because that need not handle insurance, without year checking maintenance,
The advantages that vehicle can be replaced arbitrarily replaces buying car to control enterprise or user cost, has pushed away at present in many cities to hire a car
This charter business is gone out.
In traditional car rental services, when user after vehicle using returning the car, need to specified lease point working
It returns the car under the cooperation of personnel, process of returning the car is complicated, not only reduces the efficiency of returning the car of user, also increases people from leasing company
The workload of member.
In addition, the charging of electric car, there is also certain problem, the significant cost difference that peak electricity compares paddy electricity is also present
The irreducible key of electric car hiring cost is also rationally that automobile rental corporation further saves cost using paddy electricity
Key, while rationally also contributing to the balance and stability of power grid using paddy electricity.
Summary of the invention
The purpose of the present invention is overcome current peak electricity compare the significant cost difference of paddy electricity be also present electric car lease at
This irreducible technical problem, it is a kind of reasonable using paddy electricity to provide, and the electric car for facilitating the balance and stability of power grid is rented
The power supply self-balance method for system of renting.
To solve the above-mentioned problems, the present invention is achieved by the following scheme:
A kind of power supply self-balance method of electric car leasing system, electric car leasing system include being equipped with lock device, defeated
Enter charging pile that device and two dimensional code show, the user mobile phone that is stored with lease APP and electric car, control centre station, with number
According to the cluster controller of acquisition device, the cluster controller and electric car and charging pile are communicated to connect, the collection team control
Device processed and the control centre station communicate to connect, and are equipped with positioning device on electric car, electric car by wireless network with
The communication connection of control centre station, user mobile phone and control centre station communicate to connect, and control centre station is additionally provided with environment data module,
Control centre station the whole of target day is predicted according to the environmental data over the years of storage and the charging pile electricity consumption data over the years of access power grid
Body electricity consumption data, and the average target electricity of the total amount calculating electric car according to the electric car for target day participating in runing,
In the paddy electricity period, charging pile will be accessed by the selection of control centre station and electricity is excellent less than the electric car of average target electricity
It first charges, if current electric car total electricity is less than the whole electricity consumption data of target day after the charging of paddy electricity time, adjusts
Degree central station just selects to charge to electric car within the peak electric period.
Using method of the invention, the electricity consumption of Accurate Prediction target day can be close to, by reasonably setting redundancy ginseng
Number can achieve the target of reasonable electricity selection, it can be determined that whether vehicles more as far as possible can be placed on the paddy electricity period into
Row charging, reaches and rationally further saves cost using paddy electricity, it helps the balance and stability of power grid.
Preferably, the control centre station is selected in data over the years according to the environmental data of target day and target day
Middle similar day, and conformity calculation is carried out with power consumption to similar day and obtains prediction electricity consumption data；The side that the similar day is chosen
Method the following steps are included:
Similar day selecting step one: being selected according to festivals or holidays whether are belonged to target day, is only existed if target day is festivals or holidays
Similar day is chosen in identical festivals or holidays over the years, chooses similar day in working day over the years if target day is working day；
Similar day selecting step two: the environmental data and the environmental data of target day for recalling all candidate dates compare, institute
Stating environmental data includes temperature, the duration of day and current locale wagon flow total amount calculated value,
Environmental data and the environmental data difference of target day if any date in the candidate date be greater than if the threshold value of setting
It is deleted in the candidate date this date, remaining candidate's date is the similar date.
Preferably, with power consumption conformity calculation is carried out to similar day the following steps are included:
Conformity calculation step 1: electric car leasing system enrollment data over the years and corresponding electricity consumption total amount are obtained；
Conformity calculation step 2: leasing system electricity consumption coefficient of elasticity is calculated:
Qct={ (Qt+1-Qt)/Qt}/{ (Kt+1-Kt)/Kt}；
QctElectric system electricity consumption coefficient of elasticity when for t, QtFor the electricity consumption of locality t, KtFor the registrant of t
Number；The enrollment in the current year is the target registered number of setting；
Conformity calculation step 3: the electricity consumption on each similar date is passed through into electric system electricity consumption coefficient of elasticity formula；
Qct={ (Qt+1-Qt)/Qt}/{ (Kt+1-Kt)/Kt}；
Retrospectively calculate adjustment, is transformed to the prediction electricity consumption calculated value of target day after converting year by year；
Conformity calculation step 4: calculating the mean value of all prediction electricity consumption calculated values, and the mean value of acquisition is to predict that target is daily
Power consumption.
In the present invention, crucial step is exactly to be converted according to historical data over the years to electricity over the years, reasonable logical
Electricity consumption coefficient of elasticity is crossed, data many years ago are reasonably transformed to the data of current year, achievees the effect that rationally to calculate, such as root
According to the target registered number of the setting of 15 recorded, 16 data and this year (17), Q is obtainedC15、QC16、QC17, in this way can will
15 years similar daily power consumptions are by bringing Q intoC15Calculation formula, the equivalent electricity consumption for being 16 years of transformation then proceedes to bring into
QC16Calculation formula, QC17Calculation formula, equivalent transformations be this year prediction power consumption, then with same method transformation 16
The electricity consumption of year similar day, the mean values of all prediction electricity consumption calculated values are calculated with this, and the mean value of acquisition is to predict target day
Use power consumption.
Preferably, current locale wagon flow total amount calculated value is obtained by following calculation formula:
CJ=( Cf/Ct)Cd；
CJFor current locale wagon flow total amount calculated value, CfPossess magnitude, C for current locale target day train amounttFor current locale candidate
Date vehicle amount possesses magnitude, CdFor the candidate date wagon flow total amount value in current locale.
Preferably, will be greater than first in electric car on the charging pile that access is controlled by the same cluster controller
The charging priority of the electric car of average target electricity is minimum, then according to current electric quantity and the average target of electric car electricity
The difference of amount is ranked up, and the smaller then priority of difference is higher, is put down when the current electric quantity of the electric car of highest priority is greater than
Priority is ranked up again when equal target electricity.
Preferably, in the target location lent, being controlled by same cluster controller when user carries out borrowing vehicle operation
Charging pile access electric car in the selection highest electric car of electricity lent, and execute following steps:
Step 1: mobile phone and server communication require to obtain the control of current vehicle；
Step 2: server record current vehicle position, electricity and lease time and it is synchronous with mobile phone after open lock device；
Step 3: vehicle completion is manipulated after lending process by mobile phone user；Step of returning the car is executed when user needs to return the car,
Mobile phone is communicatively coupled with server first, if communication reconnection number be more than given threshold after still can not be carried out with server
Communication connection then switchs to execute offline electronic payment step, otherwise executes payment step of returning the car.
Self-service payment of returning the car is allowed users to using the present invention, cooperates without staff, simplifies payment flow of returning the car,
Improve payment efficiency of returning the car.Concurrently set off-line step, even if client offline be able to carry out corresponding payment, ensure that
Client can carry out borrowing vehicle in next time, the interests of operator can also be effectively guaranteed, so that the interests of user and operator
It can be protected.
Preferably, payment step of returning the car includes:
Payment step of returning the car one: the charging pile of the specified needs of returning the car of mobile phone, the lock device of server command charging pile are opened, vehicle
Charging pile sends success command of returning the car to server after returning the car successfully, and server records and according to current vehicle electricity and when returning the car
Between need the expense that pays when calculating on-line payment；
Payment step of returning the car two: server receives the confirmation of mobile phone to the Fee Amount for needing to pay that confirms phone, server
It synchronizes and deducts the fee after signal.Setting ensure that the expense of offline electronic payment is that rationally accurately, ensure that operator and makes in this way
With the interests of both sides.
Preferably, in the payment step three of returning the car, if the expense deducted is greater than pre- paying in mobile phone, root
Credit lease time is given according to membership grade, allows mobile phone to continue to execute car rental in credit lease time.
Preferably, the offline electronic payment step the following steps are included:
Offline electronic payment step 1: the two dimensional code on mobile phone scanning charging pile is shown, shows that password locks charging pile according to two dimensional code
Only device is operated,
Offline electronic payment step 2: updating two dimensional code after the movement of charging pile lock device, and mobile phone scans updated two dimensional code again,
Offline electronic payment step 3: the time that mobile phone will acquire is arranged, mobile phone by return the car the time with lend the difference of time
Offline electronic payment expense is calculated, mobile phone account directly deducts offline electronic payment expense.
Preferably, server records the most-often used route of user, and record is most in the overall process that vehicle is leased
The charging station being often used；If the expense of deduction is greater than in mobile phone pre- paying and not in the payment step three of returning the car
In credit lease time, then server allows user to carry out the movement of the lease in setting number in common charging station；
In the overall process that vehicle is leased, membership grade is related to credit lease time direct proportion, and membership grade is higher, then takes
The number that business device allows user to carry out lease movement in common charging station in arrearage is more；
In said step 1, server detection mobile phone, which whether there is, offline electronic payment situation, if it exists offline electronic payment situation, then
Correct expense is issued to mobile phone, then by synchronous with server progress expense after confirming phone by server.
Preferably, mobile phone obtain after two dimensional code by lease APP be decoded obtain corresponding lock device open password and
It returns the car password；It leases APP and shows that lock device opens password, lease APP gets password of returning the car and carries out local verification, if it is close to return the car
Code is then confirmed as success of returning the car offline in local verification success, and user is otherwise required to re-start movement of returning the car；
The two dimensional code of user mobile phone scanning for the first time is opened password, current time and charging pile number by lock device and is calculated by encryption
Method encryption after formed, updated two dimensional code by password of returning the car, return the car the time and charging pile number by Encryption Algorithm encryption after
It is formed.
Preferably, if control centre station allows user within the set time to carry out at least once in arrearage
Lease movement, user must carry out lease movement in the common website of setting, and the common website is by control centre station
According to most common hire a car in most common route is chosen in the lease of user record website and website is returned the car as demarcating circle
The heart allows user to carry out lease movement demarcating the website near the center of circle in set distance.In this way, logically assert
User is in conventional use of situation, user to be allowed to carry out a degree of arrearage rent in conventional use of situation
It rents, can be improved the utilization rate of vehicle.
The beneficial effects of the present invention are: can be close to the electricity consumption of Accurate Prediction target day using method of the invention, lead to
Reasonable setting nuisance parameter is crossed, can achieve the target of reasonable electricity selection, it can be determined that whether can be by vehicles more as far as possible
Being placed on the paddy electricity period charges, and reaches and rationally further saves cost using paddy electricity, it helps the balance of power grid is steady
It is fixed.
Specific embodiment
Below by embodiment, the technical solutions of the present invention will be further described.
Embodiment 1:
A kind of power supply self-balance method of electric car leasing system, electric car leasing system include being equipped with lock device, defeated
Enter charging pile that device and two dimensional code show, the user mobile phone that is stored with lease APP and electric car, control centre station, with number
According to the cluster controller of acquisition device, the cluster controller and electric car and charging pile are communicated to connect, the collection team control
Device processed and the control centre station communicate to connect, and are equipped with positioning device on electric car, electric car by wireless network with
The communication connection of control centre station, user mobile phone and control centre station communicate to connect, and control centre station is additionally provided with environment data module,
Control centre station the whole of target day is predicted according to the environmental data over the years of storage and the charging pile electricity consumption data over the years of access power grid
Body electricity consumption data, and the average target electricity of the total amount calculating electric car according to the electric car for target day participating in runing,
In the paddy electricity period, charging pile will be accessed by the selection of control centre station and electricity is excellent less than the electric car of average target electricity
It first charges, if current electric car total electricity is less than the whole electricity consumption data of target day after the charging of paddy electricity time, adjusts
Degree central station just selects to charge to electric car within the peak electric period.In the charging that access is controlled by the same cluster controller
In stake in electric car, the charging priority that will be greater than the electric car of average target electricity first is minimum, then according to current
The difference of the average target electricity of electricity and electric car is ranked up, and the smaller then priority of difference is higher, works as highest priority
Electric car current electric quantity be greater than average target electricity when priority is ranked up again.
Middle similar day in data over the years is selected according to the environmental data of target day and target day in the control centre station,
And conformity calculation is carried out with power consumption to similar day and obtains prediction electricity consumption data；The method that the similar day is chosen includes following
Step:
Similar day selecting step one: being selected according to festivals or holidays whether are belonged to target day, is only existed if target day is festivals or holidays
Similar day is chosen in identical festivals or holidays over the years, chooses similar day in working day over the years if target day is working day；
Similar day selecting step two: the environmental data and the environmental data of target day for recalling all candidate dates compare, institute
Stating environmental data includes temperature, the duration of day and current locale wagon flow total amount calculated value,
Environmental data and the environmental data difference of target day if any date in the candidate date be greater than if the threshold value of setting
It is deleted in the candidate date this date, remaining candidate's date is the similar date.
With power consumption conformity calculation is carried out to similar day the following steps are included:
Conformity calculation step 1: electric car leasing system enrollment data over the years and corresponding electricity consumption total amount are obtained；
Conformity calculation step 2: leasing system electricity consumption coefficient of elasticity is calculated:
Qct={ (Qt+1-Qt)/Qt}/{ (Kt+1-Kt)/Kt}；
QctElectric system electricity consumption coefficient of elasticity when for t, QtFor the electricity consumption of locality t, KtFor the registrant of t
Number；The enrollment in the current year is the target registered number of setting；
Conformity calculation step 3: the electricity consumption on each similar date is passed through into electric system electricity consumption coefficient of elasticity formula；
Qct={ (Qt+1-Qt)/Qt}/{ (Kt+1-Kt)/Kt}；
Retrospectively calculate adjustment, is transformed to the prediction electricity consumption calculated value of target day after converting year by year；
Conformity calculation step 4: calculating the mean value of all prediction electricity consumption calculated values, and the mean value of acquisition is to predict that target is daily
Power consumption.
In the present embodiment, crucial step is exactly to be converted to electricity over the years, reasonably according to historical data over the years
By electricity consumption coefficient of elasticity, data many years ago are reasonably transformed to the data of current year, achieve the effect that rationally to calculate, such as
According to the target registered number of the setting of 15 recorded, 16 data and this year (17), Q is obtainedC15、QC16、QC17, in this way can be with
By 15 years similar daily power consumptions by bringing Q intoC15Calculation formula, the equivalent electricity consumption for being 16 years of transformation then proceedes to bring into
QC16Calculation formula, QC17Calculation formula, equivalent transformations be this year prediction power consumption, then with same method transformation 16
The electricity consumption of year similar day, the mean values of all prediction electricity consumption calculated values are calculated with this, and the mean value of acquisition is to predict target day
Use power consumption.
Current locale wagon flow total amount calculated value is obtained by following calculation formula:
CJ=( Cf/Ct)Cd；
CJFor current locale wagon flow total amount calculated value, CfPossess magnitude, C for current locale target day train amounttFor current locale candidate
Date vehicle amount possesses magnitude, CdFor the candidate date wagon flow total amount value in current locale.
When user carries out borrowing vehicle operation, in the target location lent, the charging pile controlled by same cluster controller
It selects the highest electric car of electricity to be lent in the electric car of access, and executes following steps:
Step 1: mobile phone and server communication require to obtain the control of current vehicle；
Step 2: server record current vehicle position, electricity and lease time and it is synchronous with mobile phone after open lock device；
Step 3: vehicle completion is manipulated after lending process by mobile phone user；Step of returning the car is executed when user needs to return the car,
Mobile phone is communicatively coupled with server first, if communication reconnection number be more than given threshold after still can not be carried out with server
Communication connection then switchs to execute offline electronic payment step, otherwise executes payment step of returning the car.
Payment step of returning the car includes:
Payment step of returning the car one: the charging pile of the specified needs of returning the car of mobile phone, the lock device of server command charging pile are opened, vehicle
Charging pile sends success command of returning the car to server after returning the car successfully, and server records and according to current vehicle electricity and when returning the car
Between need the expense that pays when calculating on-line payment；
Payment step of returning the car two: server receives the confirmation of mobile phone to the Fee Amount for needing to pay that confirms phone, server
It synchronizes and deducts the fee after signal.Setting ensure that the expense of offline electronic payment is that rationally accurately, ensure that operator and makes in this way
With the interests of both sides.In the payment step three of returning the car, if the expense deducted is greater than pre- paying in mobile phone, according to
Membership grade gives credit lease time, allows mobile phone to continue to execute car rental in credit lease time.
The offline electronic payment step the following steps are included:
Offline electronic payment step 1: the two dimensional code on mobile phone scanning charging pile is shown, shows that password locks charging pile according to two dimensional code
Only device is operated,
Offline electronic payment step 2: updating two dimensional code after the movement of charging pile lock device, and mobile phone scans updated two dimensional code again,
Offline electronic payment step 3: the time that mobile phone will acquire is arranged, mobile phone by return the car the time with lend the difference of time
Offline electronic payment expense is calculated, mobile phone account directly deducts offline electronic payment expense.In the overall process that vehicle is leased, server note
The most-often used route of user is recorded, most-often used charging station is recorded；If in the payment step three of returning the car, deduction
Expense is greater than pre- paying in mobile phone and not in credit lease time, then server allows user in common charging station
Point carries out the movement of the lease in setting number；
In the overall process that vehicle is leased, membership grade is related to credit lease time direct proportion, and membership grade is higher, then takes
The number that business device allows user to carry out lease movement in common charging station in arrearage is more；
In said step 1, server detection mobile phone, which whether there is, offline electronic payment situation, if it exists offline electronic payment situation, then
Correct expense is issued to mobile phone, then by synchronous with server progress expense after confirming phone by server.Mobile phone obtains
The corresponding lock device unlatching password of acquisition and password of returning the car are decoded by leasing APP after two dimensional code；It leases APP and shows lock device
Open password, lease APP get return the car password carry out local verification, if return the car password local verification success if be confirmed as from
Line is returned the car success, and user is otherwise required to re-start movement of returning the car；
The two dimensional code of user mobile phone scanning for the first time is opened password, current time and charging pile number by lock device and is calculated by encryption
Method encryption after formed, updated two dimensional code by password of returning the car, return the car the time and charging pile number by Encryption Algorithm encryption after
It is formed.
It is acted if control centre station allows user to carry out the lease in arrearage at least once within the set time,
User must carry out lease movement in the common website of setting, the common website by control centre station according to user
Lease record in choose in most common route it is most common hire a car website and return the car website as calibration the center of circle, in demarcating circle
Website near the heart in set distance allows user to carry out lease movement.In this way, logically assert that user is place
In conventional use of situation, in conventional use of situation, allows user to carry out a degree of arrearage lease, can be improved
The utilization rate of vehicle.
Such as user A is on and off duty through the common mode hired a car, then being known that he is most common according to record queries
Website is exactly the website B before the door and website C before company, insufficient if there is there is expense in the account of one day A accordingly
Situation, and the membership grade of A is marked more than setting grade then setting website B and website C is used as by control centre station automatically
Centering, the charging pile around the website B and website C in 1 kilometer can carry out one for A in such as one day for a period of time and arrive
Secondary use, the growth of the related datas such as the number hired a car with A, mileage, success rate of returning the car, paying time, then A
Membership grade also further increases, then when occurring occurring in account the situation of expense deficiency again, in website B and website C
Charging pile in 2 kilometers of surrounding can carry out four to five uses for A in such as one week for a period of time.
The present embodiment uses the form of twice sweep two dimensional code, user can not by the fixed two dimensional code of shooting to
Reach and realize the false possibility returned the car using offline electronic payment function, ensure that the interests of operator.And time of chartering is by scheduling
Center station is synchronous and is accurate to 2 significant digits and can not improve safety by manually being calculated in encryption.Merely according to
Kwh loss calculates the lower limit that expense belongs to expense calculating, and the upper limit for belonging to expense calculating, reference electric quantity damage are calculated using the time
Consumption and both lease durations overlapping calculation can promote user rationally to drive, and can be provided according to the loss of electricity certain excellent
Favour promotes user effectively to be driven, and improves vehicular circulation.Setting ensure that the expense of offline electronic payment is rationally accurate in this way
, it ensure that the interests of both operator and user.Self-service payment of returning the car is allowed users to using the present embodiment, is not necessarily to work
Personnel's cooperation, simplifies payment flow of returning the car, improves payment efficiency of returning the car.Concurrently set off-line step, though client from
Line is also able to carry out corresponding payment, ensure that client can carry out borrowing vehicle in next time, operator can also be effectively guaranteed
Interests so that the interests of user and operator can be protected.
In the present embodiment, lock device is controlled by the controller in charging pile, and user passes through loader input data
After can make accordingly open lock device movement, charging pile can be communicated with the vehicle of lease, it is possible thereby to obtain vehicle
Mileage, electricity and running time data, thus achieve the purpose that accurately to calculate expense.
Using the method for the present embodiment, the electricity consumption of Accurate Prediction target day can be close to, by reasonably setting redundancy
Parameter can achieve the target of reasonable electricity selection, it can be determined that whether vehicles more as far as possible can be placed on the paddy electricity period
It charges, reaches and rationally further save cost using paddy electricity, it helps the balance and stability of power grid.
Above-mentioned embodiment is only a preferred solution of the present invention, not the present invention is made in any form
Limitation, there are also other variations and modifications on the premise of not exceeding the technical scheme recorded in the claims.
Claims (10)
1. a kind of power supply self-balance method of electric car leasing system, electric car leasing system include be equipped with lock device,
Charging pile that loader and two dimensional code are shown, the user mobile phone for being stored with lease APP and electric car, have control centre station
The cluster controller of data acquisition device, the cluster controller and electric car and charging pile communicate to connect, the cluster
Controller and the control centre station communicate to connect, and are equipped with positioning device on electric car, electric car passes through wireless network
It is communicated to connect with control centre station, user mobile phone and control centre station communicate to connect, it is characterised in that: control centre station is additionally provided with
Environment data module, control centre station according to the charging pile electricity consumption data over the years of the environmental data over the years of storage and access power grid,
It predicts the whole electricity consumption data of target day, and the flat of electric car is calculated according to the total amount for participating in the electric car of operation target day
Equal target electricity will access charging pile by the selection of control centre station and electricity be less than average target electricity within the paddy electricity period
The electric car of amount preferentially charges, if current electric car total electricity is less than the entirety of target day after the charging of paddy electricity time
When electricity consumption data, control centre station just selects to charge to electric car within the peak electric period.
2. the power supply self-balance method of electric car leasing system according to claim 1, it is characterised in that: the scheduling
Central station selects middle similar day in data over the years according to the environmental data of target day and target day, and to similar day electricity consumption electricity
Amount carries out conformity calculation and obtains prediction electricity consumption data；Method that the similar day is chosen the following steps are included:
Similar day selecting step one: being selected according to festivals or holidays whether are belonged to target day, is only existed if target day is festivals or holidays
Similar day is chosen in identical festivals or holidays over the years, chooses similar day in working day over the years if target day is working day；
Similar day selecting step two: the environmental data and the environmental data of target day for recalling all candidate dates compare, institute
Stating environmental data includes temperature, the duration of day and current locale wagon flow total amount calculated value,
Environmental data and the environmental data difference of target day if any date in the candidate date be greater than if the threshold value of setting
It is deleted in the candidate date this date, remaining candidate's date is the similar date.
3. the power supply self-balance method of electric car leasing system according to claim 2, it is characterised in that: to similar day
Carry out conformity calculation with power consumption the following steps are included:
Conformity calculation step 1: electric car leasing system enrollment data over the years and corresponding electricity consumption total amount are obtained；
Conformity calculation step 2: leasing system electricity consumption coefficient of elasticity is calculated:
Qct={ (Qt+1-Qt)/Qt}/{ (Kt+1-Kt)/Kt}；
QctElectric system electricity consumption coefficient of elasticity when for t, QtFor the electricity consumption of locality t, KtFor the enrollment of t；
The enrollment in the current year is the target registered number of setting；
Conformity calculation step 3: the electricity consumption on each similar date is passed through into electric system electricity consumption coefficient of elasticity formula；
Qct={ (Qt+1-Qt)/Qt}/{ (Kt+1-Kt)/Kt}；
Retrospectively calculate adjustment, is transformed to the prediction electricity consumption calculated value of target day after converting year by year；
Conformity calculation step 4: calculating the mean value of all prediction electricity consumption calculated values, and the mean value of acquisition is to predict that target is daily
Power consumption.
4. the power supply self-balance method of electric car leasing system according to claim 2, it is characterised in that: current locale
Wagon flow total amount calculated value is obtained by following calculation formula:
CJ=( Cf/Ct)Cd；
CJFor current locale wagon flow total amount calculated value, CfPossess magnitude, C for current locale target day train amounttFor current locale candidate
Date vehicle amount possesses magnitude, CdFor the candidate date wagon flow total amount value in current locale.
5. the power supply self-balance method of electric car leasing system according to claim 1, it is characterised in that:
When user carries out borrowing vehicle operation, in the target location lent, the charging pile controlled by same cluster controller is accessed
Electric car in the selection highest electric car of electricity lent, and execute following steps:
Step 1: mobile phone and server communication require to obtain the control of current vehicle；
Step 2: server record current vehicle position, electricity and lease time and it is synchronous with mobile phone after open lock device；
Step 3: vehicle completion is manipulated after lending process by mobile phone user；Step of returning the car is executed when user needs to return the car,
Mobile phone is communicatively coupled with server first, if communication reconnection number be more than given threshold after still can not be carried out with server
Communication connection then switchs to execute offline electronic payment step, otherwise executes payment step of returning the car.
6. the power supply self-balance method of electric car leasing system according to claim 5, it is characterised in that: payment of returning the car
Step includes:
Payment step of returning the car one: the charging pile of the specified needs of returning the car of mobile phone, the lock device of server command charging pile are opened, vehicle
Charging pile sends success command of returning the car to server after returning the car successfully, and server records and according to current vehicle electricity and when returning the car
Between need the expense that pays when calculating on-line payment；
Payment step of returning the car two: server receives the confirmation of mobile phone to the Fee Amount for needing to pay that confirms phone, server
It synchronizes and deducts the fee after signal.
7. the power supply self-balance method of electric car leasing system according to claim 6, it is characterised in that: gone back described
In vehicle payment step three, if the expense deducted is greater than pre- paying in mobile phone, when giving credit lease according to membership grade
Between, allow mobile phone to continue to execute car rental in credit lease time.
8. the power supply self-balance method of electric car leasing system according to claim 5, it is characterised in that: described offline
Payment step the following steps are included:
Offline electronic payment step 1: the two dimensional code on mobile phone scanning charging pile is shown, shows that password locks charging pile according to two dimensional code
Only device is operated,
Offline electronic payment step 2: updating two dimensional code after the movement of charging pile lock device, and mobile phone scans updated two dimensional code again,
Offline electronic payment step 3: the time that mobile phone will acquire is arranged, mobile phone by return the car the time with lend the difference of time
Offline electronic payment expense is calculated, mobile phone account directly deducts offline electronic payment expense.
9. the power supply self-balance method of electric car leasing system according to claim 8, it is characterised in that: rented in vehicle
In the overall process borrowed, server records the most-often used route of user, records most-often used charging station；If described
In payment step of returning the car three, the expense of deduction is greater than in mobile phone pre- paying and not in credit lease time, then server
Allow user to carry out the lease in setting number in common charging station to act；
In the overall process that vehicle is leased, membership grade is related to credit lease time direct proportion, and membership grade is higher, then takes
The number that business device allows user to carry out lease movement in common charging station in arrearage is more；
In said step 1, server detection mobile phone, which whether there is, offline electronic payment situation, if it exists offline electronic payment situation, then
Correct expense is issued to mobile phone, then by synchronous with server progress expense after confirming phone by server.
10. the power supply self-balance method of electric car leasing system according to claim 9, it is characterised in that: mobile phone obtains
It takes to be decoded by leasing APP after two dimensional code and obtains corresponding lock device and open password and password of returning the car；It leases APP and shows locking
Device open password, lease APP get return the car password carry out local verification, if return the car password local verification success if be confirmed as
Offline success of returning the car, otherwise requires user to re-start movement of returning the car；
The two dimensional code of user mobile phone scanning for the first time is opened password, current time and charging pile number by lock device and is calculated by encryption
Method encryption after formed, updated two dimensional code by password of returning the car, return the car the time and charging pile number by Encryption Algorithm encryption after
It is formed.
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