CN108001428A - Battery replacement of electric automobile system based on block chain - Google Patents
Battery replacement of electric automobile system based on block chain Download PDFInfo
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- CN108001428A CN108001428A CN201610972011.5A CN201610972011A CN108001428A CN 108001428 A CN108001428 A CN 108001428A CN 201610972011 A CN201610972011 A CN 201610972011A CN 108001428 A CN108001428 A CN 108001428A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S5/00—Servicing, maintaining, repairing, or refitting of vehicles
- B60S5/06—Supplying batteries to, or removing batteries from, vehicles
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- G—PHYSICS
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
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- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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Abstract
This disclosure relates to the battery replacement of electric automobile system and method based on block chain.Included according to the battery replacement of electric automobile system of the disclosure：Acquiring unit, the battery information of the first battery to be replaced at electric automobile is obtained from electric automobile, the battery information for being used to replace the second battery of the first battery at electrical changing station is obtained from electrical changing station, and acquired battery information is input to the intelligent contract of block chain；Assessment unit, the value of the first battery and the second battery is assessed based on acquired battery information using intelligent contract；Replace unit, the value based on the first battery and the second battery, is stored in block chain by the first battery altering for the second battery and by the battery information of the first battery of renewal and the second battery and with battery altering relevant Transaction Information of merchandising；Adjustment unit, the order execution delay time merchandised according to battery altering adjust the performance parameter of block chain.
Description
Technical field
Embodiment discussed here is related to the battery replacement of electric automobile system and method based on block chain.
Background technology
Block chain technology originates from bit coin.Block chain can be considered as a kind of distribution operated in a manner of decentralization
Formula database.Block chain technology is being distributed by using means such as data encryption, timestamp, distributed common recognition and economic incentives
In the case that transaction node in formula system need not trust each other, point-to-point transaction, coordination and association based on decentralization are realized
Make, so that solving the high cost of centralization mechanism generally existing, poor efficiency and data stores the problems such as dangerous.
With the development and popularization of bit coin in recent years, a kind of distribution with universality of the block chain as new model
Bottom architecture, can be applied to the every field such as finance, economic, science and technology or even politics.
Using on-vehicle battery as power source, electric automobile (the electric vehicle that are driven by motor：EV)
Become more popular.For this reason, having built the electrical changing station for replacing battery for electric automobile, electric automobile can be in electrical changing station
The battery altering that electric power has exhausted into fully charged battery and is paid or collected corresponding expense.
In battery replacement of electric automobile system, there are two problems to be solved, i.e. trust problem and efficiency.
Trust problem is how to ensure the security and credibility of battery information, and how efficiency is in electric automobile and electrical changing station
Between be completed quickly and effectively the transaction in relation to battery altering.
The content of the invention
The brief overview of the disclosure is hereinafter will be given for, in order to provide the basic of some aspects on the disclosure
Understand.It should be appreciated that this general introduction is not the exhaustive general introduction on the disclosure.It is not intended to determine the pass of the disclosure
Key or pith, nor intended limitation the scope of the present disclosure.Its purpose only provides some concepts in simplified form,
In this, as the preamble in greater detail discussed later.
In order to solve the trust problem of battery replacement of electric automobile system and efficiency, present inventors have proposed based on area
The battery replacement of electric automobile system of block chain.By the way that block chain technology is applied to battery replacement of electric automobile system, Ke Yili
With block chain can not tamper during battery altering battery information is stored on block chain and to solve trust problem；And
And the intelligent contract in block chain technology can be utilized to realize the automated transaction related with battery altering, and by adjusting block
The performance parameter of chain optimizes process of exchange, so as to solve efficiency.
According to one aspect of the disclosure, there is provided a kind of battery replacement of electric automobile system based on block chain.The electricity
Electrical automobile battery change system includes：Acquiring unit, the first battery to be replaced at electric automobile is obtained from electric automobile
Battery information, the battery information for being used to replace the second battery of the first battery at electrical changing station is obtained from electrical changing station, and by institute
The battery information of acquisition is input to the intelligent contract of the block chain of battery replacement of electric automobile system；Assessment unit, based on acquisition
The first battery and the battery information of the second battery that unit obtains assess the value and the second electricity of the first battery using intelligent contract
The value in pond；Unit is replaced, the value of the first battery and the value of the second battery based on assessment unit assessment, by the first battery
It is changed to the second battery and by the battery information of the first battery of renewal and the second battery and related to battery altering transaction
Transaction Information be stored in block chain；Adjustment unit, the friendship merchandised according to the battery altering between electric automobile and electrical changing station
Easy time delay adjusts the performance parameter of block chain.
According to another aspect of the present disclosure, there is provided a kind of battery replacement of electric automobile method based on block chain, including：
Obtaining step, for obtaining the battery information of the first battery to be replaced at electric automobile from electric automobile, is obtained from electrical changing station
Take and be used to replace the battery information of the second battery of the first battery at power station, and acquired battery information is input to
The intelligent contract of block chain；Appraisal procedure, intelligence is utilized for the battery information based on acquired the first battery and the second battery
Can the value of contract the first battery of assessment and the value of the second battery；Step is replaced, for based on the first battery assessed
The value of value and the second battery, by the first battery altering for the second battery and by the first battery of renewal and the second battery
Battery information and it is stored in merchandise relevant Transaction Information of battery altering in block chain；And set-up procedure, for basis
The order execution delay time of battery altering transaction between electric automobile and electrical changing station adjusts the performance parameter of block chain.
Brief description of the drawings
With reference to the explanation of the embodiment of the present disclosure, can be more readily understood that below in conjunction with the accompanying drawings the disclosure more than and its
Its objects, features and advantages.Component in attached drawing is not proportional drafting, and is intended merely to show the principle of the disclosure.
In attached drawing, same or similar technical characteristic or component will be represented using same or similar reference numeral.
Fig. 1 is the block diagram for the configuration for showing the battery replacement of electric automobile system according to one embodiment of the disclosure；
Fig. 2 is to show the battery altering process that battery replacement of electric automobile system in accordance with an embodiment of the present disclosure carries out
Schematic diagram；
Fig. 3 shows the data knot with the relevant battery information of electric automobile discharge process in accordance with an embodiment of the present disclosure
The schematic diagram of structure and intelligent contract；
Fig. 4 shows the data structure with the relevant battery information of electrical changing station charging process in accordance with an embodiment of the present disclosure
And the schematic diagram of intelligent contract；
Fig. 5 shows the level point for being used to determine to calculate the weight of battery utilization rate of one embodiment according to the disclosure
The flow chart of analysis method；
Fig. 6 shows the use information of other batteries identical according to battery brand of one embodiment according to the disclosure
Adjust the flow chart of the method for Battery Market price；
Fig. 7 shows the flow chart that the method for digging ore deposit degree of difficulty is adjusted according to the dynamic of one embodiment of the disclosure；With
And
Fig. 8 shows the flow chart of the battery replacement of electric automobile method according to one embodiment of the disclosure.
Embodiment
The exemplary embodiment of the disclosure is described hereinafter in connection with attached drawing.For clarity and conciseness,
All features of actual implementation mode are not described in the description.It should be understood, however, that developing any this actual implementation
It can be made during mode much specific to the decision of embodiment, to realize the objectives of developer, and
These decisions may be changed with the difference of embodiment.
Herein, it is also necessary to which explanation is a bit, in order to avoid having obscured the disclosure because of unnecessary details, in the accompanying drawings
Illustrate only with according to the closely related component of the scheme of the disclosure, and eliminate with disclosure relation it is little other are thin
Section.
According to the disclosure, point-to-point (the peer to peer) point of electric automobile and electrical changing station as node composition block chain
Cloth network, wherein electrical changing station are miner's nodes of the distributed network, and electric automobile is only used as transaction node.
The charging process that charges in battery replacement of electric automobile system there are battery at electrical changing station, electric automobile
The replacement process of battery is replaced at electrical changing station using the discharge process and electric automobile of battery in the process of moving.In battery
Replacement process in, the information of battery on being used to replace at the battery and electrical changing station to be replaced of electric automobile is updated simultaneously
And it is stored in block chain.In addition, the information on battery altering transaction is also stored in block chain.
Fig. 1 be a diagram that the frame of the configuration of the battery replacement of electric automobile system 100 according to one embodiment of the disclosure
Figure.Battery replacement of electric automobile system 100 includes acquiring unit 101, assessment unit 102, replaces unit 103 and adjustment unit
104。
In accordance with an embodiment of the present disclosure, acquiring unit 101 obtains to be replaced first at electric automobile from electric automobile
The battery information of battery, the battery information for being used to replace the second battery of the first battery at electrical changing station is obtained from electrical changing station, and
And acquired battery information is input to the intelligent contract of the block chain of battery replacement of electric automobile system.Assessment unit 102
The first battery and the battery information of the second battery that are obtained based on acquiring unit 101 assess the valency of the first battery using intelligent contract
The value of value and the second battery.Replace the value and the second battery for the first battery that unit 103 is assessed based on assessment unit 102
Value, by the first battery altering for the second battery and by the battery information of the first battery of renewal and the second battery and with electricity
Replace relevant Transaction Information of merchandising and be stored in block chain in pond.Adjustment unit 104 is according between electric automobile and electrical changing station
The order execution delay time adjusts the performance parameter of block chain.
Fig. 2 is to show the battery altering that battery replacement of electric automobile system 100 in accordance with an embodiment of the present disclosure carries out
The schematic diagram of process.
It is the first battery of the powering electric motors of electric automobile as shown in Fig. 2, during electric automobile EV travelings
Electric discharge, on the first battery electric discharge information by real-time storage in electric automobile.Correspondingly, electrical changing station fills for the second battery
Electricity, the information on charging is by real-time storage in electrical changing station.When electric automobile enter electrical changing station using by the first battery altering as
During the second battery, obtained respectively on the battery information of the first battery and the second battery as block from electric automobile and electrical changing station
The input of the intelligent contract of chain, for calculating the value of the first battery and the second battery respectively, and based on first calculated
The value of battery and the second battery carries out the replacement of battery.The first updated battery and the battery information of the second battery and
Information on replacement process is stored in block chain.
Due to block chain in itself can not tamper, battery information and relevant Transaction Information are stored in can in block chain
To be greatly enhanced the credibility of battery itself.For example, if the car owner of electric automobile distorts the discharge and recharge number of battery privately
To obtain the higher value of its battery, then when the electric automobile enters electrical changing station and replaces battery, from the pass that block chain obtains
Inconsistent in the information of battery of the information with being obtained from the electric automobile of the battery of the electric automobile, then electrical changing station can be refused
The transaction.Similarly, if electrical changing station distorts battery information, the car owner of electric automobile can equally refuse the transaction.
Further, since the essence of block chain, the renewal speed of the block content of block chain and some property of block chain itself
Can parameter correlation.Specifically, only when the electrical changing station as miner's node generates new block could to block content into
Row renewal, therefore the present disclosure proposes the time consumed according to battery altering transaction the performance of block chain that is adaptively adjusted
Parameter, so as to improve the overall efficiency of battery replacement of electric automobile system.In the electricity of the electric automobile based on block chain of the disclosure
In pond replacement system, time and digging ore deposit time, block propagation time and the beta pruning time of block chain that battery altering transaction consumes
It is associated.By being adjusted to these time correlation performance parameters of block chain, battery replacement of electric automobile system can be improved
The overall efficiency of system.
Below to the acquiring unit 101 of composition battery replacement of electric automobile system 100, assessment unit 102, replacement unit
103 and the function of adjustment unit 104 be described in detail respectively.
The function of acquiring unit 101
In accordance with an embodiment of the present disclosure, when electric automobile enter electrical changing station using by the first battery altering of electric automobile as
In the second battery of electrical changing station charging, acquiring unit 101 can obtain to be replaced the at electric automobile from electric automobile
The battery information of one battery, the battery information for being used to replace the second battery of the first battery at electrical changing station is obtained from electrical changing station,
And acquired battery information is input to the intelligent contract of the block chain of battery replacement of electric automobile system.
In accordance with an embodiment of the present disclosure, the battery information of the first battery and the second battery can include battery essential information,
Battery status information, battery use information, battery wallet etc..
For example, battery essential information can include battery identity (sequence number of such as battery), battery brand, battery production
Time, battery maximum service life (MSL), battery maximum charge number, battery maximum discharge time etc..Battery essential information is can not
Change.
For example, battery status information can include battery charge or discharge at the beginning of between and the end time, battery charge
Or voltage during electric discharge and/or electric current, the energy of battery charge or discharge, the electricity of battery, battery event information etc. (such as refer to
Show that battery currently carries out is charging operations or discharge operation).
For example, battery use information can include the current charging times of battery, battery present discharge number, be currently owned by this
The identity (license plate number of electric automobile) of the electric automobile of battery or the identity (numbering of electrical changing station) of electrical changing station etc..
For example, battery wallet can include the value of battery, the account information etc. of battery current owner.
Battery letter including above-mentioned battery essential information, battery status information, battery use information and battery wallet
Cease the use according to battery, the i.e. charging and discharging of battery and be updated, and carry out battery altering at electrical changing station and merchandise it
After be stored in block chain.
In accordance with an embodiment of the present disclosure, acquiring unit 101 can verify the first electricity from electric automobile and electrical changing station acquisition
The authenticity of the battery information of pond and the second battery.For example, according to one embodiment of the disclosure, acquiring unit 101 can incite somebody to action
Acquired battery information is compared to verify the true of acquired battery information with the battery information stored in block chain
Property.If for example, the current charging times of battery or battery present discharge number and the current charging times of battery of block chain storage
Or battery present discharge number is inconsistent, it may be considered that battery information is tampered with, then battery replacement of electric automobile system can
Transaction is replaced to refuse the primary cell.
When electric automobile uses the first battery when driving, the changed battery information of the first battery of electric automobile can
With by real-time storage in electric automobile, when electric automobile enter electrical changing station replace battery when, i.e., using block chain technology into
When row battery is merchandised, the percentage of batteries information of the first battery of the electric automobile that acquiring unit 101 obtains may be used as block chain
Intelligent contract input, pass through intelligent contract calculate the first battery completed cell information.
Fig. 3 shows the data knot with the relevant battery information of electric automobile discharge process in accordance with an embodiment of the present disclosure
The schematic diagram of structure and intelligent contract.For example, as shown in figure 3, during the traveling of electric automobile, the first of electric automobile is electric
Discharge in pond.In the discharge process of the first battery, voltage when ammeter at electric automobile detects the first battery discharge and
Electric current and electric discharge at the beginning of between and the end time, intelligent contract according to the following formula (1) calculate the first battery discharge energy.
Energy=discharge voltage × discharge current of battery discharge × (electric discharge end time-electric discharge time started) (1)
In the charging process, battery status information is changed.Correspondingly, battery use information is also become
Change, such as intelligent contract makes battery present discharge number add 1.
Correspondingly, when electrical changing station charges the second battery, the changed battery of the second battery of electrical changing station
Information when entering electrical changing station in electric automobile and replacing battery, that is, can utilize block chain skill by real-time storage in electrical changing station
When art carries out battery transaction, the percentage of batteries information of the second battery of the electrical changing station that acquiring unit 101 obtains may be used as block
The input of the intelligent contract of chain, the completed cell information of the second battery is calculated by intelligent contract.
Fig. 4 shows the data structure with the relevant battery information of electrical changing station charging process in accordance with an embodiment of the present disclosure
With the schematic diagram of intelligent contract.For example, as shown in figure 4, in the charging process of the second battery carried out at the electrical changing station, electrical changing station
Between at the beginning of voltage and current and charging of the ammeter detection at place when charging to the second battery and the end time, intelligence
(2) calculate the energy that the second battery charges to contract according to the following formula.
Energy=charging voltage × charging current of battery charging × (charging end time-charging time started) (2)
In the charging process, battery status information is changed.Correspondingly, battery use information is also become
Change, such as intelligent contract makes the current charging times of battery add 1.
Only it is example on the battery information of the first battery and the second battery it should be noted that described above, and the disclosure
Not limited to this.
For example, according to one embodiment of the disclosure, acquiring unit 101 can also be obtained from block chain on battery product
The use information of other identical batteries of board.For example, acquiring unit 101 can be obtained in battery replacement of electric automobile from block chain
The use information of the every other battery identical with the brand of the first battery and the second battery in system.
For example, it is assumed that the brand of battery is Brand1, acquiring unit 101 can have brand from the acquisition of block chain is all
The summation of the current charging times of battery of the battery of Brand1 and the summation of battery present discharge number, as with battery brand phase
The use information of same every other battery.
The function of assessment unit 102
In accordance with an embodiment of the present disclosure, the first battery and second that assessment unit 102 can be obtained based on acquiring unit 101
The battery information of battery assesses the value of the first battery and the value of the second battery using intelligent contract.
According to one embodiment of the disclosure, assessment unit 102 can utilize intelligent contract to be obtained based on acquiring unit 101
The first battery and battery production time for including of battery information of the second battery, battery maximum service life (MSL), battery it is maximum
(3) calculate according to the following formula for charging times, battery maximum discharge time, the current charging times of battery and battery present discharge number
The utilization rate of battery and the value that battery is calculated according to the utilization rate of battery.
Utilization rate=w1 × (current time-battery production time)/battery maximum service life (MSL)+w2 × battery currently charges
Number/battery maximum charge number+w3 × battery present discharge number/battery maximum discharge time (3)
Wherein w1 reflects service time of battery weight shared in battery utilization rate, the w2 reflection current charging times of battery
The shared weight in battery utilization rate, and w3 reflects battery present discharge number weight shared in battery utilization rate.
According to one embodiment of the disclosure, Hierarchy Analysis Method can be used to determine the power for calculating battery utilization rate
Weight w1, w2, w3.
Fig. 5 shows the level point for being used to determine to calculate the weight of battery utilization rate of one embodiment according to the disclosure
The flow chart of analysis method 500.
As shown in figure 5, method 500 starts from step S501.In step S502, comparator matrix A is built.Comparator matrix A
With following form：
Wherein a1 represents that significance levels of the w2 compared to w1, a2 represent significance levels of the w3 compared to w1.A1's and a2 takes
Value can be determined according to application scenarios and actual conditions.
In step S503, the Maximum characteristic root λ max of calculating matrix A.In S504, (4) calculate uniformity according to the following formula
Ratio CR：
CR=(λ max-n)/(n-2)/RI (4)
Wherein n is order of matrix number, and in the case of matrix A, n values are 3；And RI is random index,
In the case that matrix A is 3 rank square formations, RI values are 0.58.
In step S505, determine whether consistency ratio CR is less than 0.1.If uniformity ratio is determined in step S505
Rate CR is less than 0.1, then method 500 goes to step S506, wherein the feature vector of calculating matrix A and it is normalized,
So as to obtain vectorial w=[w1, w2, w3].Then, this method ends at step S508.
If determine that consistency ratio CR is not less than 0.1, i.e., equal to or more than 0.1, then before method 500 in step S505
Toward step S507, wherein being adjusted to comparing matrix A, that is, the value of a1 and a2 is adjusted.Then, repeat step S503 is extremely
S505, until consistency ratio CR is less than 0.1.
According to one embodiment of the disclosure, assessment unit 102 can utilize intelligent use of the contract based on the first battery
Rate according to the following formula (5) calculate the first battery value.
The Battery Market price of the value of first battery=battery of (utilization rate of the first batteries of 1-) × first
(5)
In addition, assessment unit 102 can utilize intelligent utilization rate of the contract based on the second battery, (6) calculate the according to the following formula
The value of two batteries.
The+the second battery of Battery Market price of the value of second battery=battery of (utilization rate of the second batteries of 1-) × first
Battery charging energy × unit of electrical energy price (6)
According to one embodiment of the disclosure, assessment unit 102 can be based on acquiring unit 101 from the pass that block chain obtains
Accommodation is carried out to Battery Market price using intelligent contract in the use information of other batteries identical with battery brand.
For example, assessment unit 102 can obtain the electricity of the battery of all same brands based on acquiring unit 101 from block chain
The summation of the current charging times in pond and the summation of battery present discharge number adjust Battery Market price.
Due to the battery for the different brands that may circulate in battery replacement of electric automobile system, the performance of these batteries may
Have differences, the car owner for causing electric automobile may prefer to the battery of certain brand, thus can be more likely to use this kind of product
The battery of board.In general, battery can still be discharged in the case where being not used by with slow speed, if the battery length at electrical changing station
Phase is not used by, then needs to recharge battery can be immediately available for replacing the battery on electric automobile when needed.Cause
This, for less popular battery brand, its current charging times is substantially higher than present discharge number.Based on the original
Cause, can be by reference to the use information of the every other battery of the same brand to circulate in battery replacement of electric automobile system
To be adjusted to Battery Market price.
Fig. 6 shows the use information of other batteries identical according to battery brand of one embodiment according to the disclosure
Adjust the flow chart of the method 600 of Battery Market price.
Method 600 starts from step S601.
Then, in step S602, the current charging times of battery of the identical every other battery of battery brand are determined
Whether summation is more than the summation of the battery present discharge number of these batteries.
If determining that the summation of the current charging times of battery is more than the summation of battery present discharge number in step S602,
Then by Battery Market downward price adjustment set price in step S603.
If determine that the summation of the current charging times of battery is total no more than battery present discharge number in step S602
With then determine whether the summation of battery current charging times is less than the summation of battery present discharge number in step s 604.
If determining that the summation of the current charging times of battery is less than the summation of battery present discharge number in step s 604,
Then in step S605 by Battery Market upward price adjustment set price.
If determine that the summation of the current charging times of battery is total not less than battery present discharge number in step s 604
With, i.e., the summation of the current charging times of battery be equal to battery present discharge number summation, then in step S606 Zhong Shi batteries city
Field price maintenance is constant.Then, method 600 ends at step S607.
By the above method 600, Battery Market price can be dynamically adjusted according to market situation, thus it is more accurate and
Reasonably assess the value of battery.
Replace the function of unit 103
In accordance with an embodiment of the present disclosure, the value for the first battery that unit 103 can be assessed based on assessment unit 102 is replaced
With the value of the second battery, by the first battery altering for the second battery and by the first battery of renewal and the battery of the second battery
Information and it is stored in merchandise relevant Transaction Information of battery altering in block chain.
The difference being worth between the value of the second battery of the first battery can be calculated by replacing unit 103, so as to complete electricity
Replace transaction in pond.In addition, block can be stored in by the battery information of the first battery of renewal and the second battery by replacing unit 103
In chain.For example, the owner of the first battery and the second battery is exchanged, therefore replacement unit 103 is needed the first battery
Battery information in instruction electric discharge event information be updated to instruction charging event information, by the battery information of the second battery
In instruction charging event information be updated to instruction electric discharge event information.In addition, replacing unit 103 needs the first battery
Battery information in the owner information of the first battery of instruction be updated to electrical changing station from electric automobile.Similarly, unit is replaced
103 need the owner information by the second battery of instruction in the battery information of the second battery to be updated to electronic vapour from electrical changing station
Car.In addition, replacing unit 103 needs to be updated the account information of the owner of battery, i.e., correspondingly add or subtract
Difference between the value and the value of the second battery of first battery.
Replacing unit 103 can also store the information merchandised on battery altering into block chain.For example, replace unit
103 can store the time of progress battery altering transaction in block chain, carry out the electric automobile of battery altering transaction and change electricity
Identity information stood etc..
The function of adjustment unit 104
In accordance with an embodiment of the present disclosure, adjustment unit 104 can be according to the order execution delay between electric automobile and electrical changing station
Time adjusts the performance parameter of block chain.
When electric automobile enter electrical changing station using into the first battery altering being about at electric automobile as second at electrical changing station
During the battery altering transaction of battery, the first battery and the battery information of the second battery that have been updated and merchandise with battery altering
After storage is into block chain, battery altering transaction is identified and completes relevant information.Due to only as block
When the electrical changing station of miner's node of chain generates new block, the information in block chain can be just updated, therefore the digging ore deposit of electrical changing station
Speed directly affects the order execution delay time of battery altering transaction.
In order to improve the efficiency of battery altering transaction, the present disclosure proposes the order execution delay time merchandised according to battery altering
To adjust the performance parameter of block chain, so as to improve the efficiency of battery altering transaction.
The order execution delay time mainly determines by three time correlation performance parameters of block chain, i.e. the miner as block chain
Block propagation time that the digging ore deposit time of the electrical changing station of node, newly-generated block are propagated in distributed network and in block
For wiping out beta pruning time of branch when there is branch in chain.
Specifically, according to the basic principle of block chain technology, the digging ore deposit process of miner's node is by solving a mathematics
Problem finds the process of new block.Hash is carried out to the build (block header) of last block of block chain first
Calculate, if obtained cryptographic Hash is less than given desired value, generates a new block and be linked to block
In chain.Therefore, dig the ore deposit time and the cryptographic Hash of digging ore deposit degree of difficulty and Hash calculation is inversely proportional.Specifically, which can pass through
Following formula (7) is expressed.
Dig ore deposit time=digging ore deposit degree of difficulty/(Hash rate × 232) (7)
In general, Hash rate is determined by the hardware condition of miner's node.In the case where Hash rate is constant, the digging ore deposit time is depended on
In digging ore deposit degree of difficulty.
In addition, according to the basic principle of block chain technology, needed when a certain miner's node generates new block this is new
The block of generation is broadcasted to the whole network to reach common understanding in whole distributed network to the newly-generated block.Newly-generated
The block propagation time that block is propagated in distributed network is generated new block by a certain miner's node in distributed network
Time and distributed network in other nodes in receive the newly-generated block the latest time between time difference determine
It is fixed.The beta pruning time depends on the factors such as the network topology of distributed network, communication speed.
In addition, according to the basic principle of block chain technology, two or more miner's nodes in distributed network may
New block is generated at the same time, causes block chain branch occur.In order to solve the problems, such as this, miner's section of new block is subsequently generated
Newly-generated block is always linked on the block chain component of accumulative digging ore deposit workload maximum by point, so as to wipe out other branches.
Thus, when there is block chain component, it is necessary to consume branch of the beta pruning time for wiping out block chain.Obviously, there is no area
In the case of block chain component, the beta pruning time is equal to zero.
Therefore, in the battery replacement of electric automobile system based on block chain according to the disclosure, battery altering transaction
The order execution delay time is related to the summation for digging ore deposit time, block propagation time and beta pruning time.
According to one embodiment of the disclosure, the 104 sets target order execution delay time of adjustment unit, merchandises in battery altering
The order execution delay time be more than target transaction time delay in the case of, the digging ore deposit degree of difficulty to electrical changing station is adjusted so that
Shorten the order execution delay time of battery altering transaction, to improve the efficiency of battery altering transaction.
Fig. 7 shows the flow chart that the method 700 for digging ore deposit degree of difficulty is adjusted according to the dynamic of one embodiment of the disclosure.
Method 700 starts from step S701.In step S702, adjustment unit 104 detects the transaction of battery altering transaction
Time delay.For example, it can propose that battery altering transaction request starts until battery altering has been merchandised by detecting electric automobile
Into and relevant battery information and Transaction Information storage time consumed into block chain determine the order execution delay time.Such as
Described above, the order execution delay time is related to the summation for digging ore deposit time, block propagation time and beta pruning time.
In step S703, adjustment unit 104 carries out the order execution delay time detected and target transaction time delay
Compare.Target transaction time delay can be preset according to application environment etc..
In step S703 determine the order execution delay time be more than target transaction time delay in the case of, in step S704
Reduce and dig ore deposit degree of difficulty.For example, digging ore deposit degree of difficulty is set to subtract 1.Then, method 700 ends at step S705.
In step S703 determine the order execution delay time be less than or equal to target transaction time delay in the case of, not to dig
Ore deposit degree of difficulty is adjusted, and method 700 ends at step S705.
By adjusting adjustment of the unit 104 to digging ore deposit degree of difficulty, it can shorten and dig the ore deposit time, so that the first electricity of renewal
The battery information of pond and the second battery and quickly it is stored in block chain with battery altering relevant information of merchandising, to shorten
The time of battery altering transaction is completed, improves the efficiency of battery altering transaction.
Battery replacement of electric automobile method below according to Fig. 8 descriptions according to one embodiment of the disclosure.
Fig. 8 shows the flow chart of the battery replacement of electric automobile method 800 according to one embodiment of the disclosure.
Method 800 starts from obtaining step S801.In obtaining step S802, obtained from electric automobile at electric automobile
The battery information of first battery to be replaced, from the second battery for being used to replace the first battery at electrical changing station acquisition electrical changing station
Battery information, and acquired battery information is input to the intelligent contract of block chain.For example, can be by performing with reference to figure
Obtaining step S802 is realized in the processing of the acquiring unit 101 of 1 description, and the descriptions thereof are omitted herein.
Then, method 800 goes to appraisal procedure S803.In appraisal procedure S803, based on the first acquired battery and
The battery information of second battery assesses the value of the first battery and the value of the second battery using intelligent contract.For example, it can lead to
Cross and perform the processing with reference to Fig. 1 assessment units 102 described to realize appraisal procedure S803, the descriptions thereof are omitted herein.
Then, method 800, which is gone to, replaces step S804.In step S804 is replaced, the value for the first battery assessed
With the value of the second battery, by the first battery altering for the second battery and by the first battery of renewal and the battery of the second battery
Information and it is stored in merchandise relevant Transaction Information of battery altering in block chain.For example, it can be retouched by performing with reference to Fig. 1
The processing for the replacement unit 103 stated replaces step S804 to realize, the descriptions thereof are omitted herein.
Then, method 800 goes to set-up procedure S805.In set-up procedure S805, according to electric automobile and electrical changing station it
Between order execution delay time of battery altering transaction adjust the performance parameter of block chain.For example, can be by performing with reference to Fig. 1
Set-up procedure S805 is realized in the processing of the adjustment unit 104 of description, and the descriptions thereof are omitted herein.
Method 800 ends at step S806.
By according to battery replacement of electric automobile system of the disclosure based on block chain and corresponding method, Ke Yili
With block chain can not tamper during battery altering battery information is stored on block chain and to solve trust problem；And
And the intelligent contract in block chain technology can be utilized to realize the automated transaction related with battery altering, and by adjusting block
The performance parameter of chain optimizes process of exchange, so as to solve efficiency.
In the description to the specific embodiment of the disclosure above, for a kind of description of embodiment and/or the spy shown
Sign can be used in a manner of same or similar in one or more other embodiments, with the spy in other embodiment
Levy it is combined, or substitute other embodiment in feature.
It should be emphasized that term "comprises/comprising" refers to the presence of feature, key element, step or component when being used herein, but simultaneously
It is not excluded for the presence or additional of one or more further features, key element, step or component.It is related to the term " first " of ordinal number,
" second " etc. is not offered as the implementation order or importance degree of feature, key element, step or component that these terms are limited,
And it is used between these features, key element, step or component be identified for the sake of just for the sake of description understanding.
In addition, the method for the presently disclosed embodiments be not limited to specifications described in or shown in attached drawing when
Between sequentially perform, can also be according to other time sequencings, concurrently or independently perform.Therefore, described in this specification
The execution sequence of method scope of the presently disclosed technology is not construed as limiting.
To sum up, in accordance with an embodiment of the present disclosure, present disclose provides following scheme, but not limited to this：
A kind of battery replacement of electric automobile system based on block chain of scheme 1., including：
Acquiring unit, is configured to obtain the battery of the first battery to be replaced at the electric automobile from electric automobile
Information, the battery information for being used to replace the second battery of first battery at the electrical changing station is obtained from electrical changing station, and
Acquired battery information is input to the intelligent contract of the block chain of the battery replacement of electric automobile system；
Assessment unit, is configured to the electricity of first battery and second battery obtained based on the acquiring unit
Intelligent contract assesses the value of first battery and the value of second battery described in the Information Pull of pond；
Unit is replaced, the value of first battery and the valency of second battery based on assessment unit assessment
Value, by first battery altering for second battery and by first battery of renewal and the electricity of second battery
Pond information and it is stored in merchandise relevant Transaction Information of battery altering in the block chain；And
Adjustment unit, the order execution delay time merchandised according to the battery altering between the electric automobile and the electrical changing station
To adjust the performance parameter of the block chain.
Battery replacement of electric automobile system of the scheme 2. according to scheme 1, wherein,
The acquiring unit is further configured to by will store in acquired battery information and the block chain
Battery information is compared to verify the authenticity of acquired battery information.
Battery replacement of electric automobile system of the scheme 3. according to scheme 1, wherein,
The battery information includes battery essential information, battery status information, battery use information, battery wallet.
Battery replacement of electric automobile system of the scheme 4. according to scheme 3, wherein
The battery essential information include battery identity, battery brand, the battery production time, battery maximum service life (MSL),
It is one or more in battery maximum charge number and battery maximum discharge time.
Battery replacement of electric automobile system of the scheme 5. according to scheme 3, wherein
The battery status information include battery charge or discharge at the beginning of between and end time, battery charge or discharge
When voltage and/or electric current, the energy of battery charge or discharge, the electricity of battery and battery event information in it is one or more
It is a.
Battery replacement of electric automobile system of the scheme 6. according to scheme 3, wherein
The battery use information includes the current charging times of battery, battery present discharge number and is currently owned by the battery
The identity of electric automobile or the identity of electrical changing station in it is one or more.
Battery replacement of electric automobile system of the scheme 7. according to scheme 3, wherein
One in the value of the battery wallet including battery and the account information of battery current owner or more
It is multiple.
Battery replacement of electric automobile system of the scheme 8. according to scheme 1, wherein,
The acquiring unit is further configured to obtain in the battery replacement of electric automobile system from the block chain
In the every other battery identical with the brand of first battery and second battery use information.
Battery replacement of electric automobile system of the scheme 9. according to scheme 1, wherein,
The assessment unit is further configured to using the intelligent contract based on described in acquiring unit acquisition
Battery production time that the battery information of first battery and second battery includes, battery maximum service life (MSL), battery are most
Big charging times, battery maximum discharge time, the current charging times of battery and battery present discharge number calculate according to the following formula
The utilization rate of battery and the value that battery is calculated according to the utilization rate of battery：
Utilization rate=w1 × (current time-battery production time)/battery maximum service life (MSL)+w2 × battery currently charges
Number/battery maximum charge number+w3 × battery present discharge number/battery maximum discharge time,
Wherein w1 reflects service time of battery weight shared in battery utilization rate, the w2 reflection current charging times of battery
The shared weight in battery utilization rate, and w3 reflects battery present discharge number weight shared in battery utilization rate.
Battery replacement of electric automobile system of the scheme 10. according to scheme 9, wherein,
Weight w1, w2, w3 for calculating battery utilization rate is determined using Hierarchy Analysis Method.
Battery replacement of electric automobile system of the scheme 11. according to scheme 9, wherein,
The assessment unit is further configured to utilize the intelligent utilization rate root of the contract based on first battery
The value of first battery is calculated according to following formula：
The Battery Market price of the value of first battery=battery of (utilization rate of the first batteries of 1-) × first, and
The assessment unit is calculated described according to the following formula using the intelligent utilization rate of the contract based on second battery
The value of second battery：
The+the second battery of Battery Market price of the value of second battery=battery of (utilization rate of the second batteries of 1-) × first
Battery charging energy × unit of electrical energy price.
Battery replacement of electric automobile system of the scheme 12. according to scheme 11, wherein,
The assessment unit be further configured to based on the acquiring unit from the block chain obtain on electricity
The use information of other identical batteries of pond brand carries out accommodation using the intelligent contract to Battery Market price.
Battery replacement of electric automobile system of the scheme 13. according to scheme 1, wherein,
The adjustment unit is further configured to the sets target order execution delay time, prolongs in the transaction of battery altering transaction
In the case that the slow time is more than the target transaction time delay, the digging ore deposit degree of difficulty of the electrical changing station is reduced.
A kind of battery replacement of electric automobile method based on block chain of scheme 14., including：
Obtaining step, for obtaining the battery letter of the first battery to be replaced at the electric automobile from electric automobile
Breath, the battery information for being used to replace the second battery of first battery at the electrical changing station is obtained from electrical changing station, and will
Acquired battery information is input to the intelligent contract of the block chain；
Appraisal procedure, for described in the battery information utilization based on acquired first battery and second battery
Intelligent contract assesses the value of first battery and the value of second battery；
Step is replaced, for value and the value of second battery based on first battery assessed, by institute
The first battery altering is stated for second battery and by first battery of renewal and the battery information of second battery
And it is stored in the relevant Transaction Information of battery altering transaction in the block chain；And
Set-up procedure, for the order execution delay merchandised according to the battery altering between the electric automobile and the electrical changing station
Time adjusts the performance parameter of the block chain.
Battery replacement of electric automobile method of the scheme 15. according to scheme 14, wherein,
The obtaining step further includes：Pass through the battery information that will be stored in acquired battery information and the block chain
It is compared to verify the authenticity of acquired battery information.
Battery replacement of electric automobile method of the scheme 16. according to scheme 14, wherein,
The obtaining step further includes：The brand with first battery and second battery is obtained from the block chain
The use information of identical every other battery.
Battery replacement of electric automobile method of the scheme 17. according to scheme 14, wherein,
The appraisal procedure further includes：Using the intelligent contract based on acquired first battery and described second
Battery production time that the battery information of battery includes, battery maximum service life (MSL), battery maximum charge number, battery are maximum
The current charging times of discharge time, battery and battery present discharge number calculate according to the following formula the utilization rate of battery and according to
The utilization rate of battery calculates the value of battery：
Utilization rate=w1 × (current time-battery production time)/battery maximum service life (MSL)+w2 × battery currently charges
Number/battery maximum charge number+w3 × battery present discharge number/battery maximum discharge time,
Wherein w1 reflects service time of battery weight shared in battery utilization rate, the w2 reflection current charging times of battery
The shared weight in battery utilization rate, and w3 reflects battery present discharge number weight shared in battery utilization rate.
Battery replacement of electric automobile method of the scheme 18. according to scheme 17, wherein,
Weight w1, w2, w3 for calculating battery utilization rate is determined using Hierarchy Analysis Method.
Battery replacement of electric automobile method of the scheme 19. according to scheme 17, wherein,
The set-up procedure further includes：The sets target order execution delay time, in the order execution delay time of battery altering transaction
In the case of more than the target transaction time delay, the digging ore deposit degree of difficulty of the electrical changing station is reduced.
Although being had been disclosed above by the description of the specific embodiment to the disclosure to the disclosure, should
The understanding, those skilled in the art can design in the spirit and scope of the appended claims the various modifications to the disclosure,
Improvement or equivalent.These modifications, improvement or equivalent should also be as being to be considered as included in the protection domain of the disclosure.
Claims (10)
1. a kind of battery replacement of electric automobile system based on block chain, including：
Acquiring unit, is configured to obtain the battery letter of the first battery to be replaced at the electric automobile from electric automobile
Breath, the battery information for being used to replace the second battery of first battery at the electrical changing station is obtained from electrical changing station, and will
Acquired battery information is input to the intelligent contract of the block chain of the battery replacement of electric automobile system；
Assessment unit, is configured to the battery letter of first battery and second battery obtained based on the acquiring unit
Breath assesses the value of first battery and the value of second battery using the intelligent contract；
Unit is replaced, the value of first battery and the value of second battery based on assessment unit assessment will
First battery altering is believed for second battery and by the battery of first battery of renewal and second battery
Cease and be stored in the relevant Transaction Information of battery altering transaction in the block chain；And
Adjustment unit, the order execution delay time merchandised according to the battery altering between the electric automobile and the electrical changing station adjust
The performance parameter of the whole block chain.
2. battery replacement of electric automobile system according to claim 1, wherein,
The acquiring unit is further configured to the battery by will be stored in acquired battery information and the block chain
Information is compared to verify the authenticity of acquired battery information.
3. battery replacement of electric automobile system according to claim 1, wherein,
The battery information includes battery essential information, battery status information, battery use information, battery wallet.
4. battery replacement of electric automobile system according to claim 1, wherein,
The acquiring unit is further configured to obtain in the battery replacement of electric automobile system from the block chain
The use information of the every other battery identical with the brand of first battery and second battery.
5. battery replacement of electric automobile system according to claim 1, wherein,
The assessment unit is further configured to described first obtained using the intelligent contract based on the acquiring unit
Battery production time that the battery information of battery and second battery includes, battery maximum service life (MSL), battery maximum are filled
Electric number, battery maximum discharge time, the current charging times of battery and battery present discharge number calculate battery according to the following formula
Utilization rate and according to the utilization rate of battery calculate battery value：
The currently charging time of utilization rate=w1 × (current time-battery production time)/battery maximum service life (MSL)+w2 × battery
Number/battery maximum charge number+w3 × battery present discharge number/battery maximum discharge time,
Wherein w1 reflects service time of battery weight shared in battery utilization rate, and w2 reflects the current charging times of battery in electricity
Shared weight in the utilization rate of pond, and w3 reflects battery present discharge number weight shared in battery utilization rate.
6. battery replacement of electric automobile system according to claim 5, wherein,
Weight w1, w2, w3 for calculating battery utilization rate is determined using Hierarchy Analysis Method.
7. battery replacement of electric automobile system according to claim 5, wherein,
The assessment unit is further configured to using the intelligent utilization rate of the contract based on first battery under
Formula calculates the value of first battery：
The Battery Market price of the value of first battery=battery of (utilization rate of the first batteries of 1-) × first, and
The assessment unit calculates described second according to the following formula using the intelligent utilization rate of the contract based on second battery
The value of battery：
The electricity of the+the second battery of Battery Market price of the value of second battery=battery of (utilization rate of the second batteries of 1-) × first
Energy × unit of electrical energy price of pond charging.
8. battery replacement of electric automobile system according to claim 7, wherein,
The assessment unit be further configured to based on the acquiring unit from the block chain obtain on battery product
The use information of other identical batteries of board carries out accommodation using the intelligent contract to Battery Market price.
9. battery replacement of electric automobile system according to claim 1, wherein,
The adjustment unit is further configured to the sets target order execution delay time, in the order execution delay of battery altering transaction
Between be more than the target transaction time delay in the case of, reduce the digging ore deposit degree of difficulty of the electrical changing station.
10. a kind of battery replacement of electric automobile method based on block chain, including：
Obtaining step, for obtaining the battery information of the first battery to be replaced at the electric automobile from electric automobile, from
Electrical changing station obtains the battery information for being used to replace the second battery of first battery at the electrical changing station, and by acquired in
Battery information be input to the intelligent contract of block chain；
Appraisal procedure, the intelligence is utilized for the battery information based on acquired first battery and second battery
Contract assesses the value of first battery and the value of second battery；
Step is replaced, for value and the value of second battery based on first battery assessed, by described the
One battery altering for second battery and by the battery information of first battery of renewal and second battery and
It is stored in the relevant Transaction Information of battery altering transaction in the block chain；And
Set-up procedure, for the order execution delay time merchandised according to the battery altering between the electric automobile and the electrical changing station
To adjust the performance parameter of the block chain.
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