CN108805710A - A kind of distribution type electric energy method of commerce based on block chain intelligence contract technology - Google Patents

A kind of distribution type electric energy method of commerce based on block chain intelligence contract technology Download PDF

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Publication number
CN108805710A
CN108805710A CN201810520983.XA CN201810520983A CN108805710A CN 108805710 A CN108805710 A CN 108805710A CN 201810520983 A CN201810520983 A CN 201810520983A CN 108805710 A CN108805710 A CN 108805710A
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block chain
contract
power purchase
person
sale
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CN201810520983.XA
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关志涛
陆鑫
徐茹枝
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North China Electric Power University
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North China Electric Power University
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q40/00—Finance; Insurance; Tax strategies; Processing of corporate or income taxes
    • G06Q40/04—Trading; Exchange, e.g. stocks, commodities, derivatives or currency exchange
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q20/00—Payment architectures, schemes or protocols
    • G06Q20/38—Payment protocols; Details thereof
    • G06Q20/40—Authorisation, e.g. identification of payer or payee, verification of customer or shop credentials; Review and approval of payers, e.g. check credit lines or negative lists
    • G06Q20/405—Establishing or using transaction specific rules
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S10/00—Systems supporting electrical power generation, transmission or distribution
    • Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S50/00—Market activities related to the operation of systems integrating technologies related to power network operation or related to communication or information technologies
    • Y04S50/12—Billing, invoicing, buying or selling transactions or other related activities, e.g. cost or usage evaluation

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  • Business, Economics & Management (AREA)
  • Accounting & Taxation (AREA)
  • Engineering & Computer Science (AREA)
  • Finance (AREA)
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  • Strategic Management (AREA)
  • Development Economics (AREA)
  • General Business, Economics & Management (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
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  • Computer Security & Cryptography (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)

Abstract

The invention belongs to intelligent power grid technology field more particularly to a kind of distribution type electric energy method of commerce based on block chain intelligence contract technology, including：Step 1：It establishes DHT networks and uploads the history power generation information of each sale of electricity person in record network by intelligent electric meter；Step 2：Power purchase contract is sent to after DHT network audits pass through each node broadcasts power purchase contract into block chain by power purchase person；Step 3：The sale of electricity person that power purchase contract is added in application sends out application to DHT networks；Step 4：DHT networks to match sale of electricity person and complete the formulation of power purchase contract according to history power generation information, and the power purchase contract newly formed is deployed to after the verification confirmation of all user nodes is legal in block chain.Realize that the lightweight based on block chain calculates, Proper Match supply-demand relationship reduces intelligent contract rate of violation；The characteristic that block chain is open and clear, can not distort realizes economic, efficient, green, decentralization electricity transaction under the premise that security is guaranteed.

Description

A kind of distribution type electric energy method of commerce based on block chain intelligence contract technology
Technical field
The invention belongs to intelligent power grid technology field more particularly to a kind of distributions based on block chain intelligence contract technology Power trade method.
Background technology
The energy is the basis of our production and living, and in order to cope with energy crisis, regenerative resource increasingly attracts attention.But Be regenerative resource dispersibility make the centralization pattern of traditional power grid there are of high cost, efficiency is low, Information Security can not The drawbacks such as guarantee, it is difficult to meet existing situation requirement.Distributed electricity transaction model efficiently solves this problem, realizes Inexpensive, high-effect, environment-friendly and green electric power energy network.
Block chain technology solves the trust problem between decentralization nodes by algorithm of knowing together, it is disclosed Characteristic that is bright, can not distorting provides a safe and reliable technology platform for distribution type electric energy transaction；Intelligent contract is to meet The code segment of computer automatic execution when condition, its appearance keep block chain electric power transaction platform more intelligent；DHT (distributions Formula Hash table) technology Fast Convergent characteristic realize file quickly, efficient storage and lookup；Bloom filter can quickly judge to carry It hands over file whether there is, data search efficiency is further improved by our improvement, enhances safety.
This programme realizes low cost, dynamical green energy trade network using distributed light computing technique platform.
Invention content
In view of the above-mentioned problems, the present invention proposes a kind of distribution type electric energy counterparty based on block chain intelligence contract technology Method, including：
Step 1：It establishes DHT networks and uploads the history power generation letter of each sale of electricity person in record network by intelligent electric meter Breath；
Step 2：Power purchase contract is sent to after DHT network audits pass through each node broadcasts into block chain and purchased by power purchase person Electric contract；
Step 3：The sale of electricity person that power purchase contract is added in application sends out application to DHT networks；
Step 4：DHT networks to match sale of electricity person and complete the formulation of power purchase contract according to history power generation information, new to be formed Power purchase contract through all user nodes verification confirm it is legal after be deployed in block chain.
The history power generation information includes generated energy, time, speed.
The history power generation information generates the assumed name k that a cryptographic Hash is used as this message file by hash function, so It is signed afterwards by sale of electricity person, and k is recorded by Bloom filter, be finally uploaded to DHT network storages.
After the power purchase person's power purchase contract received is divided into n parts by the DHT networks, by after private key signature to block chain network Node is broadcasted, and the application of the sale of electricity person to receiving carries out it contractual capacity audit, sieve according to its history power generation information Choosing, and arranged by application time stamp sequencing, after satisfactory application reaches n, power purchase contract, which is formulated, to be completed.
The filename that the DHT networks will require look up after the application of the sale of electricity person received in history generates electricity information is logical Bloom filter is crossed, and return value is subjected to XOR operation, if result of calculation is sky, is directly refused；If not empty, then text is obtained Part stores pointer position.
The beneficial effects of the present invention are：
By the combination of distributed hashtable (DHT) and Bloom filter, realizes that the lightweight based on block chain calculates, close Reason matching supply-demand relationship, reduces intelligent contract rate of violation.The characteristic that block chain is open and clear, can not distort is ensureing safety Under the premise of realize it is economical, efficiently, green, decentralization electricity transaction.
Reduce sale of electricity side by the generate electricity analysis of information of history and break a contract because of self generating scarce capacity, power purchase side without Method meets the probability of electrical energy demands, Proper Match supply-demand relationship, and common interest reaches maximization simultaneously, realizes win-win.
Transaction agent can be various unit individuals in the energy internet such as neighbours living, factory, and each individual will be with The form of assumed name is participated in business in block chain network.Bloom filter can not only filter out application not in such a system Person, and position (k) of the wanted locating file in DHT is directly extracted while passing through filter；DHT is gently calculated, quickly The characteristics of convergence, realizes file and efficiently, quickly searches；Power purchase person is divided into N in order to reduce risk, by the power purchase demand of oneself Part, using N as the threshold value of required contract number formulary amount, satisfactory sale of electricity side is screened in all applicants；In block chain portion The intelligent contract of administration, ensures the true and reliable of information, and can automatically be executed according to treaty content.
Description of the drawings
Fig. 1 is that history power generation information collects flow chart.
Fig. 2 is power trade flow chart.
Specific implementation mode
The present invention will be described below in conjunction with the accompanying drawings.
A kind of distribution type electric energy method of commerce based on block chain intelligence contract technology, including：
Step 1：It establishes DHT networks and uploads the history power generation letter of each sale of electricity person in record network by intelligent electric meter Breath；
Step 2：Power purchase contract is sent to after DHT network audits pass through each node broadcasts into block chain and purchased by power purchase person Electric contract；
Step 3：The sale of electricity person that power purchase contract is added in application sends out application to DHT networks；
Step 4：DHT networks to match sale of electricity person and complete the formulation of power purchase contract according to history power generation information, new to be formed Power purchase contract through all user nodes verification confirm it is legal after be deployed in block chain.
The history power generation information includes generated energy, time, speed.
The history power generation information generates the assumed name k that a cryptographic Hash is used as this message file by hash function, so It is signed afterwards by sale of electricity person, and k is recorded by Bloom filter, be finally uploaded to DHT network storages.
After the power purchase person's power purchase contract received is divided into n parts by the DHT networks, by after private key signature to block chain network Node is broadcasted, and the application of the sale of electricity person to receiving carries out it contractual capacity audit, sieve according to its history power generation information Choosing, and arranged by application time stamp sequencing, after satisfactory application reaches n, power purchase contract, which is formulated, to be completed.
The filename that the DHT networks will require look up after the application of the sale of electricity person received in history generates electricity information is logical Bloom filter is crossed, and return value is subjected to XOR operation, if result of calculation is sky, is directly refused；If not empty, then text is obtained Part stores pointer position.
A kind of distribution type electric energy method of commerce based on block chain intelligence contract technology, including：
Step 1. departments of government is according to geographical region division power generation unit set, such as street, cell, village etc.. The basic software and hardware facilities such as generating equipments, power energy storage equipment, the intelligent electric meters such as low profile photovoltaic, wind-force are installed for each unit, Each unit participates in electricity transaction as a node.Power purchase side's entity is the large-scale electricity unit such as factory, shop, school.
Step 2. log history power generation details.Generating equipment send out electric energy by intelligent electric meter be stored in energy storage device it In, and be periodically generated power generation message file and be uploaded to DHT storages.As shown in Figure 1, process is as follows：
Step 2.1 sale of electricity side intelligent electric meter acquisition power generation attribute data information forms file f.
F is obtained fixed-length string k (file position in DHT) by step 2.2.
Bloom filter is arranged in step 2.3, records file location information.Detailed process is as follows：
The every initial value of Bloom filter array is all 0；f1、f2、f3……fnFor n file；H1、H2、H3……HnFor n A hash function；e1、e2、e3……enFor n random number：
H is carried out to f respectively with n hash functioni(f) (i=1,2,3 ... n) Hash operation obtains n fixed-length string As subscript, n location information of Bloom filter array is determined.In n position of array be 0 using its it is existing value be used as this Position random number；Remaining is in 0 position, first position k, remaining generates the random of corresponding position with random number generator Number；Wherein, i-th (i=1, the random number e of 2,3 ... n) positionsiIt indicates and carries out following operation：
E1=e1
……
……
Bloom filter array Hi(f) E is used in the position (i=1,2,3 ... n) respectivelyi(i=1,2,3 ... n) carry out assignment, Complete Initialize installation.
Step 2.4 uploads k to the DHT (distributed hashtable) based on Kademlia, and tree Fast Convergent finds volume Number be k node location.
The pointer of the physical storage locations in high in the clouds is directed toward in the k storages of step 2.5 node.
Step 3. power purchase person according to self-demand draft the clauses such as generated energy in contract, unit price, threshold value, claim for breaking an agreement and by DHT networks specifically execute.
As shown in Fig. 2, detailed process is as follows：
Step 3.1 is sent out after a large amount of contracts of malicious attacker transmission cause network congestion, power purchase person to draft contract in order to prevent Give DHT network audits.
Step 3.2DHT networks will broadcast after the contract private key signature that passes through of audit to block chain network node.
Step 3.3 generates electricity unit-node by making a choice after analysis, and the conjunction with timestamp is sent to DHT networks About apply.
Step 4.DHT networks are audited applicant's contractual capacity by history power generation data, are screened.According to timestamp Sequencing arranges application, and when satisfactory applicant reaches threshold value n, contract formally determines.
Audit, screening step are as follows：
Step 4.1 determines according to power purchase square gauge after DHT networks receive an application and contractual requirement determines and needs to transfer Applicant generate electricity history data file f.
Step 4.2 is verified file by Bloom filter and be whether there is.If being not present, directly eliminate, returns to refusal information； If in the presence of extracting content by Bloom filter and carrying out location information k in XOR operation recovery DHT.
Detailed process is as follows：
It uses n hash function to carry out Hash operation to f respectively and obtains n fixed-length string as subscript, determine the grand mistake of cloth N location information of filter array, obtains return value Ei(i=1,2,3 ... n) simultaneously carries out following operation：
As it appears from the above, restoring k.
Step 4.3DHT networks are searched according to the k values of acquisition in DHT, and return direction high in the clouds after corresponding position is found Pointer.
Step 4.4 is according to needle locating high in the clouds file actual physical storage position and returns.
Step 5. is audited, is screened, determining contract power generation unit.
It is as follows：
Step 5.1 returns to file and obtains user's history power generation attribute, requirement and agreement terms of the DHT networks according to power purchase person Sale of electricity person is audited.If power generation person's history power generation attribute is met the requirements, it is believed that there is stronger contractual capacity, audit to pass through；If It is unsatisfactory for requiring, refuse an application.
Step 5.2 often determines a power generation unit application, checks whether power generation units reaches threshold value n.
If step 5.3 reaches threshold value n, contract will be identified, DHT networks is waited for dispose contract.
The contract that step 6. finally completes will be deployed among block chain network by DHT networks,.
Specific deploying step is as follows：
The cryptographic Hash of all intelligent contracts is merged and is constantly breathed out according to merkle algorithms by step 6.1DHT networks two-by-two Uncommon operation, finally calculates root Hash and is added in block head.
Step 6.2DHT networks by timestamp, father's Hash (cryptographic Hash of a upper block head), the signature private key of oneself with And root Hash is recorded in block head, to construct a complete block.
Step 6.3 by block, broadcast by all nodes into block chain network, waits to be confirmed.
New block is added to original area by the correctness of other node checks blocks of step 6.4 the whole network after confirmation is legal In block chain.
When the new block number that step 6.5 generates after the block reaches 6, think that the transaction is legal substantially, block Chain will execute treaty content automatically according to intelligent contract, realize fund transfer, complete transaction.
This embodiment is merely preferred embodiments of the present invention, but scope of protection of the present invention is not limited thereto, Any one skilled in the art in the technical scope disclosed by the present invention, the change or replacement that can be readily occurred in, It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with scope of the claims Subject to.

Claims (5)

1. a kind of distribution type electric energy method of commerce based on block chain intelligence contract technology, which is characterized in that including：
Step 1：It establishes DHT networks and uploads the history power generation information of each sale of electricity person in record network by intelligent electric meter；
Step 2：Power purchase contract is sent to after DHT network audits pass through each node broadcasts power purchase into block chain and closed by power purchase person About；
Step 3：The sale of electricity person that power purchase contract is added in application sends out application to DHT networks；
Step 4：DHT networks to match sale of electricity person and complete the formulation of power purchase contract, the purchase newly formed according to history power generation information Electric contract is deployed to after the verification confirmation of all user nodes is legal in block chain.
2. method according to claim 1, which is characterized in that the history power generation information includes generated energy, time, speed.
3. method according to claim 1, which is characterized in that the history power generation information generates a Kazakhstan by hash function Uncommon value is used as the assumed name k of this message file, is then signed by sale of electricity person, and records k by Bloom filter, it is final on Reach DHT network storages.
4. according to any the method for claims 1 to 3, which is characterized in that the DHT networks close the power purchase person's power purchase received After being about divided into n parts, by being broadcasted to block chain network node after private key signature, and the application of the sale of electricity person to receiving according to Its history power generation information carries out it contractual capacity audit, screening, and is arranged by application time stamp sequencing, when meeting It is required that application reach n after, power purchase contract formulate complete.
5. method according to claim 4, which is characterized in that the DHT networks are being gone through after the application of the sale of electricity person received The filename that will require look up in history power generation information carries out XOR operation by Bloom filter, and by return value, if calculating knot Fruit is sky, is directly refused；If not empty, then file storage pointer position is obtained.
CN201810520983.XA 2018-05-28 2018-05-28 A kind of distribution type electric energy method of commerce based on block chain intelligence contract technology Pending CN108805710A (en)

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109256813A (en) * 2018-11-28 2019-01-22 杨胜杰 A kind of distribution type electric energy stocking system and operation method based on block chain
CN109919761A (en) * 2019-01-16 2019-06-21 昆明理工大学 A kind of block platform chain and method of commerce carrying out intelligent micro-grid transaction
CN111124421A (en) * 2019-12-23 2020-05-08 卓尔智联(武汉)研究院有限公司 Abnormal contract data detection method and device for intelligent contracts of block chains
CN111178887A (en) * 2019-12-27 2020-05-19 远光软件股份有限公司 Distributed photovoltaic power generation and sale system and method based on block chain
CN111210300A (en) * 2019-12-26 2020-05-29 广东工业大学 Step-by-step cooperative manufacturing method based on intelligent contracts
CN111583040A (en) * 2020-05-09 2020-08-25 国网电子商务有限公司 Intelligent electric power trading and settlement method and system
CN112365119A (en) * 2020-09-23 2021-02-12 四川大学 Distributed database support-based distributed transaction model for electric energy of power distribution network
CN112513853A (en) * 2018-12-11 2021-03-16 松下电器（美国）知识产权公司 Data management method, data management system, and program
CN113205378A (en) * 2021-04-13 2021-08-03 广东电网有限责任公司 Electric energy transaction system based on block chain
CN116703602A (en) * 2023-08-08 2023-09-05 深圳航天科创泛在电气有限公司 Photovoltaic power generation management method, system, equipment and medium based on block chain

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CN101873335A (en) * 2009-04-24 2010-10-27 同济大学 Distributed type searching method of cross-domain semantic Web service
CN108011370A (en) * 2017-12-27 2018-05-08 华北电力大学（保定） A kind of distributed energy scheduling method of commerce based on global energy block chain

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CN101873335A (en) * 2009-04-24 2010-10-27 同济大学 Distributed type searching method of cross-domain semantic Web service
CN108011370A (en) * 2017-12-27 2018-05-08 华北电力大学（保定） A kind of distributed energy scheduling method of commerce based on global energy block chain

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109256813A (en) * 2018-11-28 2019-01-22 杨胜杰 A kind of distribution type electric energy stocking system and operation method based on block chain
CN112513853A (en) * 2018-12-11 2021-03-16 松下电器（美国）知识产权公司 Data management method, data management system, and program
CN109919761A (en) * 2019-01-16 2019-06-21 昆明理工大学 A kind of block platform chain and method of commerce carrying out intelligent micro-grid transaction
CN111124421A (en) * 2019-12-23 2020-05-08 卓尔智联(武汉)研究院有限公司 Abnormal contract data detection method and device for intelligent contracts of block chains
CN111210300A (en) * 2019-12-26 2020-05-29 广东工业大学 Step-by-step cooperative manufacturing method based on intelligent contracts
CN111210300B (en) * 2019-12-26 2024-02-02 广东工业大学 Step-by-step collaborative manufacturing method based on intelligent contract
CN111178887A (en) * 2019-12-27 2020-05-19 远光软件股份有限公司 Distributed photovoltaic power generation and sale system and method based on block chain
CN111583040A (en) * 2020-05-09 2020-08-25 国网电子商务有限公司 Intelligent electric power trading and settlement method and system
CN112365119A (en) * 2020-09-23 2021-02-12 四川大学 Distributed database support-based distributed transaction model for electric energy of power distribution network
CN112365119B (en) * 2020-09-23 2023-04-25 四川大学 Distribution network electric energy distributed transaction model based on distributed database support
CN113205378A (en) * 2021-04-13 2021-08-03 广东电网有限责任公司 Electric energy transaction system based on block chain
CN116703602A (en) * 2023-08-08 2023-09-05 深圳航天科创泛在电气有限公司 Photovoltaic power generation management method, system, equipment and medium based on block chain

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Application publication date: 20181113