CN110751382A - Operating system of high-efficiency energy Internet - Google Patents
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- CN110751382A CN110751382A CN201910940857.4A CN201910940857A CN110751382A CN 110751382 A CN110751382 A CN 110751382A CN 201910940857 A CN201910940857 A CN 201910940857A CN 110751382 A CN110751382 A CN 110751382A
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- G—PHYSICS
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- 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
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- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/70—Smart grids as climate change mitigation technology in the energy generation sector
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- 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
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- 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
Abstract
The invention provides an operation system of a high-efficiency energy Internet, and relates to the technical field of energy Internet. The operating system of the high-efficiency energy Internet comprises a data acquisition unit, a data screening unit, a data integration unit, an energy source database, a control terminal, an exchange sharing unit, an information inquiry unit, an opinion feedback unit and an energy scheduling unit, wherein the output end of the data acquisition unit is in signal connection with the input end of the data screening unit, the output end of the data screening unit is in signal connection with the input end of the data integration unit, and the output end of the data integration unit is in signal connection with the input end of the energy source database. Through the mutual cooperation between each unit for whole energy internet closely links together, and the energy cooperativity in each region is stronger, can effectually get up energy production end, energy transmission end and the reasonable connection of energy consumption end, has accelerated the transmission of energy data and the operating efficiency of integration.
Description
Technical Field
The invention relates to the technical field of energy Internet, in particular to an operating system of high-efficiency energy Internet.
Background
The energy is the basis of the survival and development of the modern society, in order to deal with the energy crisis, new energy technology, especially renewable energy such as solar energy, wind energy, biological energy and the like is actively researched by various countries, the renewable energy has the characteristics of inexhaustibility, cleanness, environmental protection and the like, the renewable energy is highly valued by various countries in the world, the renewable energy has the characteristics of geographical dispersion, discontinuous production, randomness, volatility, uncontrollable performance and the like, the traditional centralized and unified management mode of the power network is difficult to adapt to the requirement of large-scale utilization of the renewable energy, and the effective utilization mode of the renewable energy is distributed 'local collection, local storage and local use'.
The energy internet can be understood as comprehensively applying advanced power electronic technology, information technology and intelligent management technology, a large number of energy nodes such as a novel power network, an oil network and a natural gas network which are composed of distributed energy collecting devices, distributed energy storage devices and various loads are interconnected to realize energy peer-to-peer exchange and sharing networks with bidirectional energy flow, the existing energy internet is single in energy data sharing mode, energy cooperativity in each region is poor, an energy production end, an energy transmission end and an energy consumption end cannot be effectively and reasonably connected, and the operating efficiency of energy data transmission and integration is low.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides an operating system of a high-efficiency energy internet, which solves the problems that the existing energy internet is single in energy data sharing mode, poor in energy cooperativity in each region, incapable of effectively and reasonably connecting an energy production end, an energy transmission end and an energy consumption end, and low in operating efficiency of energy data transmission and integration.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: an operating system of an efficient energy Internet comprises a data acquisition unit, a data screening unit, a data integration unit, an energy source database, a control terminal, an exchange sharing unit, an information inquiry unit, an opinion feedback unit and an energy scheduling unit, wherein the output end of the data acquisition unit is in signal connection with the input end of the data screening unit, the output end of the data screening unit is in signal connection with the input end of the data integration unit, the output end of the data integration unit is in signal connection with the input end of the energy source database, the output end of the energy source database is in signal connection with the input end of the control terminal, the output end of the control terminal is in signal connection with the input end of the exchange sharing unit, the output end of the exchange sharing unit is in signal connection with the input end of the information inquiry unit, and the output end of the information inquiry unit is in signal connection with the input end of the opinion feedback unit, the output end of the opinion feedback unit is in signal connection with the input end of the energy scheduling unit, and the output end of the energy scheduling unit is in signal connection with the input end of the energy database.
An operation system of a high-efficiency energy Internet comprises the following operation steps:
1) acquiring energy information in an area range by using a data acquisition unit, wherein the energy information comprises renewable energy and non-renewable energy, the type of the acquired energy, the specific position of the energy, the output and output parameters of the energy and peripheral facilities at the position of the energy;
2) the data screening unit compares and analyzes the acquired energy information with the big data, analyzes the reliability of the acquired energy database, screens out new energy data and updated energy data, and deletes the existing energy data information in the region;
3) the data screening unit transmits the screened data to the data integration unit, the data integration unit optimizes and integrates the received data, classifies all energy information data, stores the energy information data by classes, and transmits each data to the energy database after storing;
4) the energy source database fuses the collected energy data information into the existing energy data, updates the energy information data in time, and uploads all the updated data to the cloud server for backup;
5) the control terminal establishes a data exchange sharing platform according to data in the energy source database, the exchange sharing platform framework sequentially sets key phrases for classified energy data, sets an energy data input and output port, the exchange sharing platform updates the energy data in the platform through the energy source database in time, and establishes an information sharing channel with the energy source database;
6) the user can download the energy data query APP in the exchange sharing unit, and the energy data query APP is used in the mobile terminal to enter the information query unit, so that the required energy information condition can be queried, the distribution of surrounding energy, the energy exchange amount and the energy surrounding information can be rapidly known, and the user can accurately select energy supplement points;
7) the user can feed back energy use related information including an energy source release point, an energy source release type, energy source storage capacity and energy source surrounding environment improvement in the intention feedback unit, and the opinion feedback unit generates a feasibility report according to the information fed back by the user and sends the feasibility report to the energy scheduling unit;
8) and the energy scheduling unit comprehensively analyzes the feasibility report and generates a reasonable energy scheduling report by combining the energy data in the energy source database.
(III) advantageous effects
The invention provides an operating system of an efficient energy Internet. The method has the following beneficial effects:
1. this operating system of high-efficient energy internet, through data acquisition unit, data screening unit, data integration unit, the energy database, control terminal, exchange sharing unit, information inquiry unit, mutual cooperation between suggestion feedback unit and the energy scheduling unit for whole energy internet closely links together, energy cooperativity in each region is stronger, can effectually couple together energy production end, energy transmission end and energy consumption end are reasonable, the transmission of energy data and the operating efficiency of integration have been accelerated.
2. According to the operating system of the high-efficiency energy Internet, redundant acquired data are saved by processing the energy data through each unit, the energy data acquisition flow is completely optimized, the integrity of the energy data is guaranteed, the updating of the energy data is accelerated, and the accuracy of user query is greatly improved.
Drawings
FIG. 1 is a schematic diagram of the system of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example (b):
as shown in fig. 1, an embodiment of the present invention provides an operating system of an efficient energy internet, including a data acquisition unit, a data screening unit, a data integration unit, an energy source database, a control terminal, an exchange sharing unit, an information query unit, an opinion feedback unit, and an energy scheduling unit, where an output end of the data acquisition unit is in signal connection with an input end of the data screening unit, an output end of the data screening unit is in signal connection with an input end of the data integration unit, an output end of the data integration unit is in signal connection with an input end of the energy source database, an output end of the energy source database is in signal connection with an input end of the control terminal, an output end of the control terminal is in signal connection with an input end of the exchange sharing unit, and an output end of the exchange sharing unit is in signal connection with an input end of the information query unit, the output end of the information inquiry unit is in signal connection with the input end of the opinion feedback unit, the output end of the opinion feedback unit is in signal connection with the input end of the energy scheduling unit, and the output end of the energy scheduling unit is in signal connection with the input end of the energy source database.
An operation system of a high-efficiency energy Internet comprises the following operation steps:
1) acquiring energy information in an area range by using a data acquisition unit, wherein the energy information comprises renewable energy and non-renewable energy, the type of the acquired energy, the specific position of the energy, the output and output parameters of the energy and peripheral facilities at the position of the energy;
2) the data screening unit compares and analyzes the acquired energy information with the big data, analyzes the reliability of the acquired energy database, screens out new energy data and updated energy data, and deletes the existing energy data information in the region;
3) the data screening unit transmits the screened data to the data integration unit, the data integration unit optimizes and integrates the received data, classifies all energy information data, stores the energy information data by classes, and transmits each data to the energy database after storing;
4) the energy source database fuses the collected energy data information into the existing energy data, updates the energy information data in time, and uploads all the updated data to the cloud server for backup;
5) the control terminal establishes a data exchange sharing platform according to data in the energy source database, the exchange sharing platform framework sequentially sets key phrases for classified energy data, sets an energy data input and output port, the exchange sharing platform updates the energy data in the platform through the energy source database in time, and establishes an information sharing channel with the energy source database;
6) the user can download the energy data query APP in the exchange sharing unit, and the energy data query APP is used in the mobile terminal to enter the information query unit, so that the required energy information condition can be queried, the distribution of surrounding energy, the energy exchange amount and the energy surrounding information can be rapidly known, and the user can accurately select energy supplement points;
7) the user can feed back energy use related information including an energy source release point, an energy source release type, energy source storage capacity and energy source surrounding environment improvement in the intention feedback unit, and the opinion feedback unit generates a feasibility report according to the information fed back by the user and sends the feasibility report to the energy scheduling unit;
8) and the energy scheduling unit comprehensively analyzes the feasibility report and generates a reasonable energy scheduling report by combining the energy data in the energy source database.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (2)
1. The utility model provides an operating system of high-efficient energy internet, includes data acquisition unit, data screening unit, data integration unit, energy database, control terminal, exchange sharing unit, information inquiry unit, suggestion feedback unit, energy scheduling unit, its characterized in that: the output end of the data acquisition unit is in signal connection with the input end of the data screening unit, the output end of the data screening unit is in signal connection with the input end of the data integration unit, the output end of the data integration unit is connected with the input end of the energy source database through a signal, the output end of the energy source database is connected with the input end of the control terminal through a signal, the output end of the control terminal is connected with the input end of the exchange sharing unit through signals, the output end of the exchange sharing unit is connected with the input end of the information inquiry unit through signals, the output end of the information inquiry unit is in signal connection with the input end of the opinion feedback unit, the output end of the opinion feedback unit is in signal connection with the input end of the energy scheduling unit, and the output end of the energy scheduling unit is in signal connection with the input end of the energy source database.
2. The system of claim 1, wherein the system comprises: the method comprises the following operation steps:
1) acquiring energy information in an area range by using a data acquisition unit, wherein the energy information comprises renewable energy and non-renewable energy, the type of the acquired energy, the specific position of the energy, the output and output parameters of the energy and peripheral facilities at the position of the energy;
2) the data screening unit compares and analyzes the acquired energy information with the big data, analyzes the reliability of the acquired energy database, screens out new energy data and updated energy data, and deletes the existing energy data information in the region;
3) the data screening unit transmits the screened data to the data integration unit, the data integration unit optimizes and integrates the received data, classifies all energy information data, stores the energy information data by classes, and transmits each data to the energy database after storing;
4) the energy source database fuses the collected energy data information into the existing energy data, updates the energy information data in time, and uploads all the updated data to the cloud server for backup;
5) the control terminal establishes a data exchange sharing platform according to data in the energy source database, the exchange sharing platform framework sequentially sets key phrases for classified energy data, sets an energy data input and output port, the exchange sharing platform updates the energy data in the platform through the energy source database in time, and establishes an information sharing channel with the energy source database;
6) the user can download the energy data query APP in the exchange sharing unit, and the energy data query APP is used in the mobile terminal to enter the information query unit, so that the required energy information condition can be queried, the distribution of surrounding energy, the energy exchange amount and the energy surrounding information can be rapidly known, and the user can accurately select energy supplement points;
7) the user can feed back energy use related information including an energy source release point, an energy source release type, energy source storage capacity and energy source surrounding environment improvement in the intention feedback unit, and the opinion feedback unit generates a feasibility report according to the information fed back by the user and sends the feasibility report to the energy scheduling unit;
8) and the energy scheduling unit comprehensively analyzes the feasibility report and generates a reasonable energy scheduling report by combining the energy data in the energy source database.
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113377854A (en) * | 2021-06-21 | 2021-09-10 | 国网宁夏电力有限公司电力科学研究院 | Data integration system based on energy big data |
CN116049121A (en) * | 2023-03-06 | 2023-05-02 | 睿至科技集团有限公司 | Sharing method and system for energy data of Internet of things |
CN116095157A (en) * | 2023-03-06 | 2023-05-09 | 睿至科技集团有限公司 | Storage method and system for energy data of Internet of things |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015095812A1 (en) * | 2013-12-20 | 2015-06-25 | Gridmates, Inc. | Point to multi-point energy transaction platform and related methods of use |
CN106534264A (en) * | 2016-10-14 | 2017-03-22 | 国网上海市电力公司 | Energy Internet networking method based on resource and load matching |
CN107909806A (en) * | 2017-10-23 | 2018-04-13 | 东南大学 | A kind of shared bicycle information platform based on big data |
US20190089155A1 (en) * | 2017-09-20 | 2019-03-21 | Hepu Technology Development (Beijing) Co., Ltd. | Energy Internet Router |
CN208656812U (en) * | 2018-08-28 | 2019-03-26 | 周侃 | A kind of energy management system and data conversion server |
CN110032592A (en) * | 2019-03-06 | 2019-07-19 | 国网辽宁省电力有限公司信息通信分公司 | A kind of energy big data integration system and method |
-
2019
- 2019-09-30 CN CN201910940857.4A patent/CN110751382A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015095812A1 (en) * | 2013-12-20 | 2015-06-25 | Gridmates, Inc. | Point to multi-point energy transaction platform and related methods of use |
CN106534264A (en) * | 2016-10-14 | 2017-03-22 | 国网上海市电力公司 | Energy Internet networking method based on resource and load matching |
US20190089155A1 (en) * | 2017-09-20 | 2019-03-21 | Hepu Technology Development (Beijing) Co., Ltd. | Energy Internet Router |
CN107909806A (en) * | 2017-10-23 | 2018-04-13 | 东南大学 | A kind of shared bicycle information platform based on big data |
CN208656812U (en) * | 2018-08-28 | 2019-03-26 | 周侃 | A kind of energy management system and data conversion server |
CN110032592A (en) * | 2019-03-06 | 2019-07-19 | 国网辽宁省电力有限公司信息通信分公司 | A kind of energy big data integration system and method |
Non-Patent Citations (1)
Title |
---|
张丹等: "综合智慧能源管理系统架构分析与研究", 《中外能源》 * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113377854A (en) * | 2021-06-21 | 2021-09-10 | 国网宁夏电力有限公司电力科学研究院 | Data integration system based on energy big data |
CN116049121A (en) * | 2023-03-06 | 2023-05-02 | 睿至科技集团有限公司 | Sharing method and system for energy data of Internet of things |
CN116095157A (en) * | 2023-03-06 | 2023-05-09 | 睿至科技集团有限公司 | Storage method and system for energy data of Internet of things |
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