JP2019175417A - Power transaction system - Google Patents

Abstract

To provide a power transaction system capable of distributed power generation, power storage, and measuring an amount of power generation and an amount of power use of an electricity user.SOLUTION: A power transaction system includes a measuring module, a block chain module, and a communication module in a block chain watthour meter. The measuring module performs bidirectional or unidirectional measurement of an amount of power. The block chain module performs a point-to-point power transaction between nodes in a block chain network in a local area by using the communication module and the block chain network based on the Internet. The communication module performs data transfer between the measuring module and the block chain module and data transfer on the block chain network by using the radio or cable communication technology.SELECTED DRAWING: Figure 2

Description

  The present invention relates to the technical field of Internet of Things, energy Internet metering control and blockchain, and more particularly to a power trading system.

  Since the power system is unique, the power network, which is an ultra-large network, is formed from power generation, power transmission and distribution to power use. On the one hand there are conventional renewable energy such as coal energy, gas energy, nuclear energy, hydrogen energy, electrical energy and distributed renewable energy such as wind photovoltaic, but on the other hand millions of high energy consumption There are power units, hundreds of millions of power users and future intelligent consumer electronics and electric vehicles. All over the country, various sensors generate a large amount of real-time data even in one second, and constitute a huge energy Internet.

  Energy Internet data is generated mainly in the following cases.

  (1) Coal energy thermal power plant; (2) Natural gas power plant; (3) Wind power plant / photovoltaic power plant; (4) Three supply distributed energy of natural gas cold and hot power; (5) Dispersion Type of wind / solar energy storage battery microgrid; (6) various intelligent substations; (7) SCADA (Supervision Control and Data Acquisition Systems) of each stage of each prefecture city; (8) hundreds of millions of intelligent power (9) Millions of high-consumption power devices; (10) Future electric vehicles. In the future, a large number of distributed wind photovoltaics and storage batteries will emerge.

  The energy internet will help develop future decentralized energy. On the power supply side, with the implementation of a large amount of renewable energy equipment, the random movement of the power supply poses a serious challenge to the system. On the load side, there is a change in the composition of power consumption and the rapid development of electric vehicles, so the randomness and stiffness on the load side are increasingly advancing. In addition, energy metering and trading will become main as the energy producers and sellers will gradually emerge in the future. The conventional centralized power network control mode and the form of collecting power meter data in a unified manner in the power network will be subject to huge challenges in the future.

  The conventional power trading system cannot collect, trade and record the amount of power of distributed wind photovoltaics and storage batteries, and cannot satisfy the big data needs of the energy internet.

  An object of this invention is to provide an electric power transaction system.

  By using blockchain modules, the conventional power trading system cannot collect, trade, and record the amount of electricity from distributed wind photovoltaics and storage batteries, and cannot meet the big data needs of the energy internet To solve. This enables distributed power generation, storage and power metering of power generation and power usage for users, and can measure, trade and record the power of distributed intelligent microgrids, so they are distributed On the power generation side and the power usage side, the microgrid becomes more economically feasible as a basis for transaction costs via intelligent watt-hour meters.

  In order to solve the above-described problem, an electric power trading system according to the present invention is an electric power trading system including a measuring module, a block chain module, and a communication module, wherein the measuring module is bi-directional or The blockchain module uses a communication module and a blockchain network based on the Internet to perform point-to-point power transactions between nodes in the blockchain network in the local area. The communication module is for transferring data between the weighing module and the blockchain module and transferring data in the blockchain network using a wireless or wired communication technology. It is characterized by It is the power trading system. The power trading system is stored in the block chain network so that the final power information and point-to-point power trading information cannot be counterfeited in a distributed manner by setting up a block chain module for trading and recording power. The The power generation and power consumption of distributed generation, storage and power users can be measured, and the power consumption, distribution and recording of distributed intelligent microgrids can be made.

  The power trading system further includes a block chain watt-hour meter, and the metering module, the block chain module, and the communication module are provided in the block chain watt-hour meter. A central processing unit is provided; the weighing module is connected to the central processing unit; the block chain module is for exchanging data with the central processing unit; It is connected to a central processing unit for transferring data between the weighing module and the block chain module and transferring data in the block chain network.

  The block chain module further includes a positioning unit connected to a central processing unit in the block chain watt-hour meter to determine a geographical position of the block chain watt-hour meter.

  The blockchain module also provides a unique ID to each blockchain watt-hour meter to form a node having a unique ID in the blockchain network.

  The power trading system further includes a normal watt-hour meter and an energy internet router, the metering module and the communication module are provided in the normal watt-hour meter, and the block chain module and the communication module are The communication module is provided in the energy internet router for executing data transfer between the metering module in the normal watt-hour meter and the block chain module in the energy internet router, and data transfer in the block chain network. It is.

  The energy Internet router further includes a control module for performing energy exchange between a plurality of distributed energy stations and distributed energy users, routering management, and point-to-point power transaction control in the same local network; An acquisition module for connecting to the control module to acquire watt-hour metering data of the normal watt-hour meter, the block chain module and the control module exchange data, and the communication The module is connected to the control module.

  In addition, the block chain module includes a positioning unit for connecting to a control module in the energy internet router to determine a geographical position of the energy internet router.

  The blockchain module also provides a unique ID to each energy internet router to form a node having a unique ID in the blockchain network.

  The block chain module is provided with a data layer, and the data layer includes energy measurement data measured by the measurement module and energy transaction data that is all point-to-point power transaction data in the block chain network. Storing data, a power trading title that distinguishes between a power purchasing method and a power selling method, and a time stamp that records a time at which a point-to-point power transaction occurs in the blockchain network, and the data layer includes: A time stamp is added to the transaction data generated at the node to form a data block, which is formed in the block chain network so that it cannot be forged.

  The power trading title is a binary number having a predetermined meaning, and the binary number indicates that the current node is a power sales method according to a first setting value, The set value indicates that the current node is a power purchaser.

  In addition, the data layer includes a cryptographic management unit for managing the secret key information of the user by encrypting the data using a hardware or software cryptographic form, the data layer further includes a data block, a hash function, It includes one or more combinations of Merkle tree root data, point-to-point networks, private key management, public and private keys, asymmetric cryptography and authentication mechanisms.

  The block chain module is further provided with a contract agreement layer. By using an intelligent contract form, the power transaction between the power purchaser and the power seller within the blockchain network is automatically confirmed, and the content of the power transaction includes the transaction power price, the transaction power amount and the transaction conditions. including.

  The contract agreement layer includes one or more of an account center unit, a power trading registration unit, a power trading price matching unit, a power trading transaction realization unit, an agreement mechanism unit, an intelligent contract unit, a script code unit, and a payment system unit. Includes combinations.

  In addition, the blockchain module performs power transactions or calculations using virtual currency or electronic currency.

  The block chain network is a public chain and a secret chain or an alliance chain, and all or a part of nodes of the public chain and the secret chain or the alliance chain have complicated read / write and book recording authorities.

  Further, the communication module is one or a combination of RS485 communication module, RFID module, Bluetooth (registered trademark) module, WIFI module, power carrier module, 3G, 4G, 5G network module or Internet module.

  The power trading system according to the present invention is a block chain network by setting a block chain module for trading and recording power so that final power information and point-to-point power trading information cannot be counterfeited in a distributed manner Stored in By using the power trading system according to the present invention, the amount of power generation and power consumption of distributed generation, storage and power users can be measured, and the amount of power of a distributed intelligent microgrid is measured, traded and recorded. They can be based on transaction costs by blockchain wattmeters or regular wattmeters on the distributed generation side and the power usage side, making the microgrid more economically viable . At the same time, it is possible to automatically manage and monitor its own distributed generation, storage, and power usage devices using various types of mobile terminal intelligentization.

FIG. 1 is a schematic diagram showing a configuration of a power trading system according to the present invention. FIG. 2 is a schematic diagram illustrating the configuration of the power transaction system according to the first embodiment of the present invention. FIG. 3 is a diagram showing a configuration of a block chain watt-hour meter according to the second embodiment of the present invention. FIG. 4 is a schematic diagram illustrating the configuration of the power trading system according to the third embodiment of the present invention. FIG. 5 is a diagram showing a configuration of an energy internet router according to the fourth embodiment of the present invention. FIG. 6 is a schematic diagram showing the configuration of the power trading system according to the fifth embodiment of the present invention.

  In order to clarify the objects, technical solutions, and advantages of the present invention, the present invention will be described in more detail below with reference to the drawings based on specific embodiments. These descriptions are for purposes of illustration and are not intended to limit the scope of the invention. Further, in the following description, descriptions of known configurations and techniques are omitted to avoid unnecessarily confusing the concept of the present invention. Prior to describing the power trading system according to the present invention in detail, the related art of blockchain will be described.

  In 2009, with the advent of Bitcoin, blockchain technology was born as a result of preventing capsize activities. The block chain is a database such as a secure book, and consists of data blocks. Users can search for data from a blockchain network that is gradually updated and upgraded. For financial institutions, blockchain accelerates process processes, lowers costs, reduces intermediaries, improves market insights, and increases operational transparency.

  Blockchain is a wonderful creation as a base technology for cryptocurrency Bitcoin. Blockchain technology can prevent fraud and illicit transactions, and many industries have traditionally used blockchain technology. In particular, the real energy Internet technology will be realized using the blockchain as a tool. The block chain can operate as follows. First, the data based on blockchain is fair and can be trusted. Access authentication combining a public key and a private key protects privacy. Confidentiality and credit calculation can be realized. Second, blockchain counterfeiting can be prevented. Ubiquitous interaction with compulsory credit is realized by coordinating or emphasizing trust in a predetermined form. Third, the fusion of blockchain, big data and artificial intelligence constitutes a reliable predictive device, signing external data and realizing virtual reality exchange self-regulatory control. Fourth, there is a point-to-point exchange type measure between devices established based on the block chain. There is no need to rely on the centralization station to make the decision. Eliminate centralization and realize device democratization and decentralization policies. Fifth, each subject plays a probabilistic game randomly based on a clear exchange rule. The system is neutral and well progressed, meeting the discipline and evolutionary potential of market discipline and competitive progress.

Blockchain action not only eliminates mediation, but blockchain overturns the market and traditional value chains. Blockchain can develop new markets by releasing supplies that have not been developed before. The combination of blockchain and energy internet metering system can provide reliable power trading and metering technical support for future energy internet development.
Example 1

  FIG. 1 is a schematic diagram of a configuration of a power trading system according to the present invention. FIG. 2 is a schematic diagram of the configuration of the power trading system according to the first embodiment of the present invention. 1 and 2, the power trading system according to the present invention includes a weighing module 102, a block chain module 103, and a communication module 104. The weighing module 102 is used for bidirectional and unidirectional weighing of electric power. The block chain module 103 realizes point-to-point power transactions between nodes in the block chain network 200 in the local area based on the communication module 104 and the block chain network 200 based on the Internet. The communication module 104 realizes data transfer between the weighing module 102 and the block chain module 103 and data transfer in the block chain network 200 using wired or wireless communication technology. Referring to FIG. 2, in this embodiment, the power trading system further includes a block chain watt hour meter 100. The metering module 102, the block chain module 103, and the communication module 104 are provided in the block chain watt-hour meter 100.

  The block chain watt-hour meter 100 is further provided with a central processing unit 101 for processing / calculating data in the block chain watt-hour meter 100 and controlling data exchange.

  The weighing module 102 is connected to the central processing unit 101 and is used for bidirectional weighing of electric power. This bidirectional metering means distributed metering and power storage, and bidirectional metering of power users' power generation and power consumption.

  The block chain module 103 exchanges data with the central processing unit 101, and performs point-to-point power transactions between nodes in the block chain network 200 in the local area, distributed energy measurement, and storage of transaction data. Is for. The block chain module 103 is for trading and recording power, and final power information and point-to-point power transaction information are stored in the block chain network 200 in a distributed manner so as not to be counterfeited.

  The block chain module 103 further provides a unique ID to the watt-hour meter 100 of each block chain to form a unique ID node in the block chain network 200.

  Preferably, the block chain module 103 is for trading or calculating power using virtual currency or electronic currency, and applying the power trading system to power trading or calculation of the power grid in the local area. The block chain module 103 executes both transactions or calculations in virtual currency or electronic currency, and further sets a virtual currency that is defined and distributed within the power network by the block chain module 103 and the power network operator. You can trade or calculate electricity. Power transaction buyers and sellers set up virtual currency or electronic currency accounts to perform power transactions or calculations. Using virtual currency and electronic currency makes power trading or calculation in the local area power network more flexible, convenient and secure

  Preferably, the block chain network 200 is a public chain and a secret chain or an alliance chain, and all or some of the nodes of the public chain and the secret chain or the alliance chain have complex read / write and bookkeeping authority. .

  Referring to FIG. 2, the blockchain module 103 is provided with a data layer 1031. The data layer 1031 is for storing power metering data, power trading data, power trading title and time stamp, giving a time stamp to the power trading data generated at each node, And record it in the blockchain network 200 so that it cannot be counterfeited.

  The electric energy measurement data is measured by the measurement module 102. Specifically, the electric energy measurement data is electric energy data measured by the measurement module 102 in the block chain watt-hour meter 100.

The power amount transaction data is all point-to-point power transaction data in the block chain network 200. Specifically, the power transaction data is all point-to-point power transaction data in the block chain network 200, and the data forms a data block and is recorded in the block chain network 200 so that it cannot be forged. .
The power trading title is a power trading title for distinguishing between a power purchasing method and a power selling method.

  Here, the power trading title is a binary number having a predetermined meaning. The binary number indicates that the current node is a power sales method according to the first setting value. That is, this node is connected to a certain distributed power generation device or storage battery, and sells power to other nodes. The second setting value indicates that the current node is a power purchaser. That is, this node currently represents a connection to a power consuming device or a storage battery and purchases power from another node. However, the current node is a power sales method at a certain time, but may be a power purchase method (for example, this node is connected to a rechargeable storage battery) at the next time. Each of the first set value and the second set value represents a power purchase mark or a power sales mark using different binary values.

  Preferably, the binary digit may be a single bit or several bits. The first set value and the second set value include the following definition forms, but are not limited thereto.

  Preferably, defining the first setting value as 0 indicates that the current node is a power purchaser. A second setting value of 1 indicates that the current node is a power sales method. The reverse is also true, but defining the first setting value as 1 means that the current node is a power purchaser. Defining the second setting value to 0 means that the current node is a power sales method.

  Preferably, defining the first set value to 00 means that the current node is a power purchaser, and defining the second set value to 11 is that the current node is a power seller. It means that.

  Preferably, defining the first setting value to 01 means that the current node is a power purchase method, and defining the second setting value to 10 is that the current node is a power sales method. It means that. The reverse is also true.

  The time stamp records the time when the point-to-point power transaction occurs in the block chain network 200. Specifically, the time stamp stores the time when a point-to-point power transaction occurs in the block chain network 200, and is born using a cryptographic technique.

  In this embodiment, the data layer 1031 includes an encryption management unit, and is used for secret key information for managing users by encrypting data using hardware or software.

  The data layer 1031 further includes one or more combinations of data blocks, hash functions, Merkle tree root data, point-to-point networks, private key management, public and private keys, asymmetric cryptography and authentication mechanisms. Including.

  In this embodiment, the block chain module 103 is further provided with a network layer 1032 including a P2P network creation mechanism, a data transfer mechanism, a data authentication mechanism, and the like. Thereby, the block chain module 103 has a network automatic creation mechanism.

  The block chain module 103 is further provided with a contract agreement layer 1033 for automatically confirming power transactions between the power purchaser and the power seller in the blockchain network 200 by an intelligent contract. The power transaction includes a power price of the transaction, a power amount of the transaction, and a transaction condition.

  However, the contract agreement layer 1033 includes one or more of an account center unit, a power trading registration unit, a power trading price matching unit, a power trading transaction realization unit, an agreement mechanism unit, an intelligent agreement unit, a script code unit, and a payment system unit. Includes combinations.

  In the present embodiment, the communication module 104 is connected to the central processing unit 101 to realize data transfer between the weighing module 102 and the block chain module 103 and data transfer in the block chain network 200. The block chain module 103 transfers the data processed by the block chain module 103 via the communication module 104 to the block chain network 200, and the point-to-point power between nodes in the block chain network 200 in the local area. Realize the transaction.

  Preferably, the communication module 104 is a combination of one or more of RS485 communication module, RFID module, Bluetooth module, WIFI module, power carrier module, 3G, 4G, 5G network module or Internet module. The present invention is not limited to this. The communication module 104 may be another communication facility.

  Preferably, the wireless communication on the building side of the bottom layer uses radio frequency radio transfer technology. Its stability, security and secrecy are the premise that it is more reliable and ensures that the toll acquisition and metering system is executed stably.

  Referring to FIG. 2, in this embodiment, the block chain watt-hour meter 100 further includes a digital signal module 105, a protocol interface module 106, a power supply module 107, a display module 108 and a clock module 109.

  However, the digital signal module 105 is connected to the central processing unit 101, collects the digital signal or analog signal of the weighing module 102, and converts the analog signal into a digital signal.

The protocol interface module 106 is connected to the central processing unit 101, and is used for managing and receiving data input from the outside by the communication protocol interface.
The power supply module 107 is connected to the central processing unit 101 to provide an operating power supply to the block chain watt-hour meter 100.

  The display module 108 is connected to the central processing unit 101 and includes a liquid crystal display for displaying related data. The present invention is not limited to this. The display may be other types. The clock module 109 is connected to the central processing unit 101 and provides an execution clock to the central processing unit 101.

  In a present Example, although the structural member of the block chain watt-hour meter 100 in the said electric power transaction system contains said each member, it is not limited to this. It further includes the necessary parts of a normal watt-hour meter.

Example 2
FIG. 3 is a configuration diagram of an intelligent energy meter according to the second embodiment of the present invention.

  Referring to FIG. 3, the difference between the present embodiment and the first embodiment is that in this embodiment, the block chain module 103 in the block chain watt-hour meter 100 positions the block chain watt-hour meter 100. It further includes a positioning unit connected to the central processing unit 101 in the block chain watt-hour meter 100.

  Specifically, the positioning unit in the present embodiment is provided in the data layer 1031 and is connected to the central processing unit 101. By determining the geographical position of the block chain watt-hour meter 100, the geographical position information of the nodes in the block chain network 200 is obtained, and the geographical position information of the intelligent power network is realized. This helps to optimize blockchain point-to-point automatic power trading. In other words, in the blockchain intelligent contract, when the estimates are the same, it is possible to preferentially achieve power trading between nodes having the shortest distance between two geographical locations. This minimizes power transfer costs and losses. Preferably, the positioning unit uses a GIS geographic information positioning chip. Since the other configuration, composition, and connection relation of the block chain watt-hour meter 100 in the present embodiment are the same as those in the first embodiment, description thereof will be omitted.

Example 3
FIG. 4 is a schematic diagram of the composition of the power trading system according to the third embodiment of the present invention.

  Referring to FIG. 4, the power trading system in the present embodiment includes a weighing module 302, a block chain module 403, and communication modules 303 and 404. The weighing module 302 is used for bidirectional or unidirectional measurement of electric energy. The block chain module 403 implements point-to-point power transactions between nodes in the block chain network 200 in the local area using the communication modules 303 and 404 and the block chain network 200 based on the Internet. The communication modules 303 and 404 implement data transfer between the weighing module 302 and the block chain module 403 and data transfer in the block chain network 200 using wired or wireless communication technology. The difference between the present embodiment and the first embodiment is that the installation position of the block chain module 403 is different.

  In the present embodiment, the power trading system further includes a normal watt-hour meter 300 and an energy internet router 400. The metering module 302 and the communication module 303 are provided in a normal watthour meter 300. The block chain module 403 and the communication module 404 are provided in the energy internet router 400.

  In this embodiment, the energy internet router 400 further includes a control module 401 and an acquisition module 402. The control module 401 is for energy exchange between a plurality of distributed energy stations and distributed energy users, routing management, and point-to-point power transaction control within the same local network. The acquisition module 402 is connected to the control module 401 and is used to acquire the electric energy measurement data of the normal watt hour meter 300. The block chain module 403 is used to execute data exchange with the control module 401. The communication module 404 is connected to the control module 401.

  Blockchain module 403 provides each energy internet router 400 with a unique ID to form a node with a unique ID in blockchain network 200.

  Preferably, the block chain module 403 performs power trading or calculation using virtual currency or electronic currency so that the power trading system can be applied to power trading or settlement in the local power network. The blockchain module 403 performs both sales transactions or calculations using virtual currency or electronic currency. Using the blockchain module 403 and the power network operator, a virtual currency defined and distributed within the power network is set to trade or calculate power. A power purchaser and a power seller in an electric sales transaction need to set up a virtual currency or an electronic currency account to perform an electric power transaction or calculation. By using virtual currency or electronic currency, trading or calculating power in the local power network is more flexible, convenient and secure.

  Preferably, the blockchain network 200 may be a public key, a secret key, or a federated key. All or a part of the public key, secret key or federated key has complicated read / write and accounting record authority.

  Referring to FIG. 4, in the present embodiment, the block chain module 403 is provided with a data layer 4031. The data layer 4031 is for storing data such as power metering data, power trading data, power trading title and time stamp, and adds a time stamp to power trading transaction data generated at each node. A data block is formed and recorded in the block chain network 200 so that it cannot be forged.

  The electric energy measurement data is measured by the measurement module 302. Specifically, the electric energy measurement data is electric energy data measured by the measurement module 302 in the normal watt-hour meter 300.

  The power amount transaction data is all point-to-point power transaction data in the block chain network 200. Specifically, the power amount transaction data is all point-to-point power transaction data in the block chain network 200. The data is recorded in the block chain network 200 so as to form a data block and prevent forgery.

  The power trading title is a power trading title for distinguishing between a power purchasing method and a power selling method. Since the definition form of the power trading title in the present embodiment is the same as that in the first embodiment, description thereof is omitted here.

  The time stamp is for recording the time of occurrence of a point-to-point power transaction in the blockchain network 200. Specifically, the time stamp is for recording the transaction time of the point-to-point power transaction in the block chain network 200, and is processed using an encryption technique.

  In the present embodiment, the data layer 4031 includes a cryptographic management unit. Data is encrypted using a hardware or software encryption method to manage information on the user's private key.

  The data layer 4031 further includes one or more combinations of data blocks, hash functions, Merkle tree root data, point-to-point networks, private key management, public and private keys, asymmetric cryptography and authentication mechanisms. .

  In the present embodiment, the block chain module 403 is further provided with a network layer 4032 including a P2P networking mechanism, a data transfer mechanism, a data authentication mechanism, and the like. Thus, the block chain module 403 has a network automatic creation function.

  In this embodiment, the block chain module 403 is further provided with a contract agreement layer 4033. The power transaction of the power purchaser and the power seller in the blockchain network 200 is automatically confirmed by the intelligent contract. The content of the power transaction includes a power price of the transaction, a transaction power amount, and a transaction condition. Since the configuration of the contract agreement layer 4033 is the same as that of the first embodiment, the description thereof is omitted here.

  In this embodiment, a normal watt-hour meter 300 includes a central processing unit 301, a communication module 303, a digital signal module 304, a protocol interface module 305, a power supply module 306, a display module 307, and a clock module 308. And further comprising. The central processing unit 301 is for processing, calculating and controlling data exchange in the normal watt-hour meter 300. The communication module 303 is connected to the central processing unit 301 to transfer data.

  The digital signal module 304 is connected to the central processing unit 301, collects the digital signal or analog signal of the weighing module 302, and converts the analog signal into a digital signal.

  The protocol interface module 305 is connected to the central processing unit 301 for managing and receiving data input from the outside by the communication protocol interface.

  The power supply module 306 is connected to the central processing unit 301 and provides an operation power supply to the normal watt-hour meter 300.

  The display module 307 is connected to the central processing unit 301 and includes a liquid crystal display for displaying related data. The present invention is not limited to this. The display may be other types. The clock module 308 is connected to the central processing unit 301 and provides an execution clock to the central processing unit 301. Although the composition member of the normal watt-hour meter 300 in a present Example contains each said member, it is not limited to this.

  In this embodiment, the communication modules 303 and 404 are for realizing data transfer between the metering module 302 of the normal watt-hour meter 300 and the block chain module 403 of the energy Internet router 400 and data transfer of the block chain network 200. Is.

  Preferably, the communication modules 303, 404 are one or more combinations of RS485 communication modules, RFID modules, Bluetooth modules, WIFI modules, power carrier modules, 3G, 4G, 5G network modules or Internet modules. However, the present invention is not limited to this. The communication modules 303 and 404 may be other communication devices.

  Preferably, radio communication on the building side of the bottom layer uses radio frequency radio transfer technology. Its stability, security and confidentiality are the premise of technology that is more reliable and that allows the fee metering system to be implemented stably.

  Preferably, watt-hour meter 300 is typically a bidirectional watt-hour meter.

  If the regular watt-hour meter 300 is a bidirectional intelligent watt-hour meter, the metering module 302 can implement bidirectional metering, whereby the regular watt-hour meter 300 is used for bidirectional metering of power. It is done. By combining the Energy Internet Router 400 with a two-way intelligent watt-hour meter, the Energy Internet Router 400 can exchange energy between multiple distributed energy networks, router ring management and wind energy and solar energy within the same local area network. In addition to being used for storage and load joint consumption, power metering data is acquired, and the power trading system enables distributed power generation, storage and power users and two-way metering of power generation and usage, It is possible to measure, trade and record the amount of electric power of the distributed intelligent microgrid. On the distributed power generation side and the power usage side, the microgrid Already to be something more that can be implemented. At the same time, it can automatically manage and monitor its own distributed power generation, power storage and power usage devices using various mobile terminal intelligentization. Preferably, the normal watt-hour meter 300 is a unidirectional watt-hour meter.

  When the normal watt-hour meter 300 is a conventional unidirectional watt-hour meter, the metering module 302 in the normal watt-hour meter 300 measures only the power usage on the power usage side. By combining the energy internet router 400 and the normal watt-hour meter 300, the power user on the power usage side in the blockchain network 200 can purchase the distributed wind photovoltaic power and the energy of the storage battery which are convenient and inexpensive. .

In a present Example, although the structural member of the energy internet router 400 in the said electric power transaction system contains said each member, it is not limited to them, Usually, the structural member required of an energy internet router is included.
Example 4

  FIG. 5 is a configuration diagram of an energy internet router according to the fourth embodiment of the present invention. Referring to FIG. 5, the difference between the present embodiment and the third embodiment is that, in this embodiment, the block chain module 403 in the energy internet router 400 is further connected to the control module 401 in the energy internet router 400, It includes a positioning unit for determining the geographical location of the energy internet router 400.

Specifically, the positioning unit in this embodiment is provided in the data layer 4031, connects to the control module 401, determines the geographical position of the energy Internet router 400, and sets the geographical location of the node in the blockchain network 200. The above location information is acquired, and the geographical location information of the intelligent power network as a whole is realized. This helps optimize point-to-point automatic power trading on the blockchain. In other words, in a blockchain intelligent contract, if the cost estimates are the same, it can be promised that power trading will be achieved in preference to the nodes with the shortest distance between the two geographical locations. Thereby, the power transfer cost and loss are the lowest. Preferably, the positioning unit uses a GIS geographic information positioning chip. Since the other configuration, composition, and connection relation of the energy internet router 400 in the present embodiment are the same as those in the third embodiment, description thereof is omitted here.
Example 5

  FIG. 6 is a schematic diagram illustrating the configuration of the power trading system according to the fifth embodiment of the present invention. Referring to FIG. 6, in the power trading system according to the present embodiment, the block chain watt-hour meter 100 transfers data to the block chain network 200 via the energy internet router 400.

  The configuration, composition, and connection relationship of the block chain watt-hour meter 100 in the present embodiment are the same as those in the first embodiment or the second embodiment, and the configuration, composition, and connection relationship of the energy internet router 400 in the present embodiment are the same as in the embodiment. Since it is the same as 3 or Example 4, description is abbreviate | omitted here.

  In this embodiment, the block chain watt-hour meter 100 and the energy internet router 400 are used in combination. The energy internet router 400 mainly exchanges energy between source networks of a plurality of distributed energy internet routers 400, and router ring management. And wind energy and solar energy storage and load co-consumption in the same local network. The blockchain watt-hour meter 100 having the blockchain module 103 is used for the bidirectional measurement of the power generation amount and the power amount of the distributed power generation, storage and power users, and is used for the power metering, transaction and recording of the distributed intelligent microgrid. Used.

  In the present embodiment, the energy internet router 400 is connected to the block chain watt-hour meter 100 to realize data exchange between the energy internet router 400 and the central processing unit 101 in the block chain watt-hour meter 100.

Example 6
In this embodiment, the block chain network 200 is an alliance chain, and a user included in the alliance chain generally purchases or sells power within an area covered by an intelligent microgrid in a local area or a prefecture city and a microgrid. Be a user.

  The rewrite authority and the book recording authority in this alliance chain are established according to the organization rules of the block chain network 200 of the local area power network. Different content is disclosed for nodes having different levels of authority in the local area power network.

Example 7
In this embodiment, the block chain network 200 is a private chain, and the users included in the private chain are generally power trading users within the range covered by the intelligent microgrid in the local area. The rewrite authority and the book recording authority in the chain are established according to the organization rules of the block grid network 200 of the micro grid in the local area.

  Data is disclosed to nodes in the local area power network but not to the public.

  The power trading system according to the present invention sets a block chain module, performs power trading and recording, and blocks final power information and point-to-point power trading information so that it cannot be counterfeited in a distributed manner. Stored in the chain network. According to the power trading system of the present invention, it is possible to measure the power generation amount and power usage amount of distributed generation, storage and power users, and measure, trade and record the power amount of the distributed intelligent microgrid. On the distributed generator side and on the power usage side, they are based on transaction costs by blockchain watt hour meters or regular watt hour meters, so that the microgrid is more economically feasible become. At the same time, it is possible to automatically manage and monitor its own distributed power generation, power storage and power usage devices using various mobile terminal intelligentization. The power trading system according to the present invention will have a wide market space in the future, and will become an important provider of future big data of the energy Internet.

  In addition, although the above-mentioned specific embodiment of this invention is demonstrated illustratively or interprets the principle of this invention, this invention is not restrict | limited. Therefore, any modification, equivalent conversion, improvement, and the like are included in the scope of the claims of the present invention without departing from the spirit or scope of the present invention. Further, the claims of the present invention are intended to include all changes and modifications included in the range or boundary, or all changes and modifications included in the range or boundary.

100: Block chain watt-hour meter 101, 301: Central processing unit 102, 302: Metering module 103, 403: Block chain module 1031, 4031: Data layer 1032, 4032: Network layer 1033, 4033: Contract agreement layer 104, 303, 404: Communication module 105, 304: Digital signal module 106, 305: Protocol interface module 107, 306: Power supply module 108, 307: Display module 109, 308: Clock module 200: Block chain network 300: Normal power meter 400: Energy Internet router 401: Control module 402: Acquisition module 405: Power electronic conversion and storage module

Claims (16)

A power trading system including a weighing module (102, 302), a block chain module (103, 403), and a communication module (104, 303, 404),
The weighing module (102, 302) is for bi-directional or unidirectional measurement of electric energy,
The block chain module (103, 403) uses a communication module (104, 303, 404) and a block chain network (200) based on the Internet to connect nodes in the block chain network (200) in the local area. To achieve point-to-point power trading,
The communication module (104, 303, 404) transfers data between the weighing module (102, 302) and the block chain module (103, 403) using the wireless or wired communication technology, and the block chain network (200). The power transaction system is for transferring data in (1). In addition, a block chain watt hour meter (100) is included,
The weighing module (102), the block chain module (103) and the communication module (104) are provided in the block chain watt-hour meter (100),
The block chain watt-hour meter (100) further includes a central processing unit (101),
The weighing module (102) is connected to the central processing unit (101),
The blockchain module (103) is for exchanging data with the central processing unit (101),
The communication module (104) is connected to the central processing unit (101) to transfer data between the weighing module (102) and the block chain module (103) and to transfer data in the block chain network (200). The power trading system according to claim 1, wherein: The block chain module (103) further comprises:
And a positioning unit connected to a central processing unit (101) in the block chain watt-hour meter (100) for determining a geographical position of the block chain watt-hour meter (100). The power trading system according to claim 2.   The blockchain module (103) provides a unique ID to each blockchain watt-hour meter (100) to form a node having a unique ID in the blockchain network (200). The power trading system according to claim 2. In addition, it includes a regular watt-hour meter (300) and an energy internet router (400),
The metering module (302) and the communication module (303) are provided in the normal watt-hour meter (300),
The blockchain module (403) and the communication module (404) are provided in the energy internet router (400),
The communication module (303, 404) is configured to transfer data between the metering module (302) in the normal watt-hour meter (300) and the block chain module (403) in the energy internet router (400), and to the block chain network (200). The power transaction system according to claim 1, wherein the power transaction system is for executing data transfer in (). The energy internet router (400) further comprises:
A control module (401) for energy exchange between a plurality of distributed energy stations and distributed energy users, routering management and point-to-point power transaction control in the same local network;
An acquisition module (402) connected to the control module (401) for acquiring power metering data of the normal watt hour meter (300);
The block chain module (403) and the control module (401) exchange data,
The power communication system according to claim 5, wherein the communication module (404) is connected to the control module (401). The block chain module (403) further comprises:
7. A positioning unit connected to a control module (401) in the energy internet router (400) to determine the geographical location of the energy internet router (400). Power trading system.   The blockchain module (403) provides a unique ID to each energy internet router (400) to form a node with a unique ID in the blockchain network (200). 5. The power trading system according to 5. The blockchain modules (103, 403) are provided with data layers (1031, 4031), and the data layers (1031, 4031) are
Power metering data metered by the metering module (102, 302);
Energy trading data which is all point-to-point power trading data in the blockchain network (200);
Electricity trading title that distinguishes between purchasing electricity and selling electricity,
For storing a time stamp for recording a time when a point-to-point power transaction occurs in the blockchain network (200);
The data layer (1031, 4031) is formed in the block chain network (200) so as to prevent forgery by adding a time stamp to the transaction data generated at each node to form a data block. The power trading system according to claim 1, wherein   The power trading title is a binary number having a predetermined meaning, and the binary number indicates that the current node is a power sales method according to a first setting value, and a second setting value. The power transaction system according to claim 9, wherein the current node indicates that the current node is a power purchaser. The data layer (1031, 4031) includes a cryptographic management unit for managing data of a user by encrypting data using hardware or software cryptographic form,
The data layer (1031, 4031) further includes one of data block, hash function, Merkle tree root data, point-to-point network, secret key management, public key and secret key, asymmetric encryption and authentication mechanism. The power trading system according to claim 9, further comprising a plurality of combinations.   The block chain module (103, 403) is further provided with a contract agreement layer (1033, 4033). By using an intelligent contract form, the power purchase method and the power sales within the block chain network (200) are used. 10. The power transaction system according to claim 9, wherein the power transaction is automatically confirmed, and the content of the power transaction includes a transaction power price, a transaction power amount, and a transaction condition.   The contract agreement layer (1033, 4033) is one of an account center unit, a power trading registration unit, a power trading price matching unit, a power trading transaction realization unit, an agreement mechanism unit, an intelligent contract unit, a script code unit, and a payment system unit. The power trading system according to claim 12, further comprising a plurality of combinations.   2. The power trading system according to claim 1, wherein the block chain module (103, 403) performs power trading or calculation using virtual currency or electronic currency.   The block chain network (200) is a public chain and a secret chain or an alliance chain, and all or a part of nodes of the public chain and the secret chain or an alliance chain have complicated read / write and bookkeeping authority. The power trading system according to claim 1.   The communication module (104, 303, 404) is one or a combination of RS485 communication module, RFID module, Bluetooth module, WIFI module, power carrier module, 3G, 4G, 5G network module or Internet module. The power trading system according to claim 1.