CN115174613B - Park energy flow graph design system and method based on Internet of things - Google Patents
Park energy flow graph design system and method based on Internet of things Download PDFInfo
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Classifications
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Abstract
The invention discloses a park energy flow graph design system and method based on the Internet of things, which belong to the technical field of the Internet of things, and the technical problem to be solved by the invention is how to design energy flow graphs based on the Internet of things, so that a user can clearly check specific flow transformation of the energy flow graphs, and the technical scheme is as follows: the system comprises an acquisition layer, a gateway layer, a protocol conversion layer, a data processing layer, a database layer, a service layer and a view layer; the acquisition layer is used for acquiring energy data and transmitting the energy data to the gateway layer; the gateway layer is used for accessing the energy data acquired by the acquisition layer and finishing gateway registration and data reporting; the protocol conversion layer is used for interfacing with the gateway, registering the equipment and reporting the metering data; the data processing layer is used for data calculation and data cleaning; the database layer is used for interfacing the requirements of the protocol conversion layer, the data processing layer and the service layer for inserting, inquiring, modifying and deleting the data; the service layer is used for configuring, inquiring and analyzing the energy flow graph; the view layer is used for enabling flowsheet configuration and customer-defined query analysis display.
Description
Technical Field
The invention relates to the technical field of the Internet of things, in particular to a park energy flow graph design system and method based on the Internet of things.
Background
The internet of things (IOT, internet of things) is an important component of a new generation of information technology, and IT industry is also called: the general interconnection means that the objects are connected and the objects are connected in all aspects. Therefore, the Internet of things is the Internet with which the things are connected. The Internet of things is characterized in that the Internet of things is an extended and expanded network based on the Internet; secondly, the user side extends and expands to any article to article, and information exchange and communication are carried out. The internet of things is widely applied to the field of energy monitoring through communication sensing technologies such as intelligent sensing, recognition technologies, pervasive computing and the like.
An energy flow graph is a graph representing the flow of energy (e.g., thermal energy, electrical energy, etc.) that can dynamically represent the flow of energy in a region, industrial enterprise, or individual device. The energy flow diagram not only can intuitively and quantitatively display the overall view of the energy supply, conversion and use quantity, but also can reveal the energy utilization efficiency level of each link.
Therefore, how to design the energy flow graph based on the internet of things ensures that a user can clearly view the specific flow conversion of the energy flow graph, and provides more feasible schemes for improving the energy utilization efficiency is a technical problem to be solved urgently at present.
Disclosure of Invention
The technical task of the invention is to provide a system and a method for designing a park energy flow graph based on the Internet of things, which are used for solving the problem of how to design the energy flow graph based on the Internet of things, ensuring that a user can clearly check specific flow conversion of the energy flow graph and providing more feasible schemes for improving the energy utilization efficiency.
The technical task of the invention is realized in the following way, and the system comprises an acquisition layer, a gateway layer, a protocol conversion layer, a data processing layer, a database layer, a service layer and a view layer;
the acquisition layer is used for acquiring energy data and transmitting the energy data to the gateway layer;
the gateway layer is used for accessing the energy data acquired by the acquisition layer and finishing gateway registration and data reporting;
the protocol conversion layer is used for interfacing with the gateway, registering the equipment and reporting the metering data;
the data processing layer is used for data calculation and data cleaning;
the database layer is a distributed relational database and is used for meeting the requirements of a protocol conversion layer, a data processing layer and a service layer on the insertion, inquiry, modification and deletion of data;
the service layer is used for configuring, inquiring and analyzing the energy flow graph;
the view layer is used for enabling flowsheet configuration and customer-defined query analysis display.
Preferably, the collecting layer comprises an ammeter, a water meter, photovoltaic equipment, a storage battery and an energy monitoring device connected with the storage battery.
Preferably, the gateway layer comprises a data access module, a gateway registration module and a data reporting module;
the data access module is used for registering the acquisition layer equipment to the gateway and acquiring the equipment metering data at fixed time;
the data registration module is used for registering the gateway and the metering equipment to the protocol conversion layer; when a gateway is newly added, the gateway can issue a gateway registration request to a Server terminal Registered Topic of a protocol conversion layer; the protocol conversion layer receives a gateway registration request, and returns a Token after verifying that the gateway is legal;
the data reporting module is used for sending the metering data and Token acquired by the data access module to the Registered Token, namely the data reporting process.
More preferably, a Server end and a Client end are deployed on the protocol conversion layer, and the Server end is a distributed publishing and subscribing message system.
More preferably, the protocol conversion layer comprises a registration module and a reporting module;
the registration module is used for actively subscribing the message from the Registered Topic when the Client monitors the change of the Registered Topic queue of the Server, and classifying and warehousing the subscribed gateway and equipment information; after warehousing, generating Token tokens, issuing the Token tokens to a Registered Token, and receiving the Token tokens by a gateway for reporting the data and authenticating identities;
the reporting module is used for actively subscribing the message from the reporting Topic when the Client monitors the change of the Server-side reporting Topic queue, and associating the pulled metering data to the specific equipment for classifying and warehousing.
Preferably, the data processing layer comprises a calculation model and a cleaning model;
the calculation model is used for periodically summarizing and calculating data stored in the protocol conversion layer according to energy classification, energy consumption items and time periods;
the cleaning model is used for regularly transferring data of the data table in the warehouse of the protocol conversion layer and storing the data table in a lasting mode.
Preferably, the service layer comprises a power flow diagram configuration module, a power flow diagram query module and a power flow diagram analysis module;
the energy flow diagram configuration module is used for supporting the operation of adding, modifying and deleting energy flow diagrams of the view layer;
the energy flow graph query module is used for supporting view layer query operation on the energy flow graph;
and the energy flow graph analysis module is used for automatically calculating analysis results of the same ratio, the ring ratio and the free ratio when the supporting view layer passes through the self-defined time range.
Preferably, the view layer comprises a power flow diagram configuration module and a power flow diagram display module;
the flowsheet configuration module is used for page operations of adding, modifying and deleting the flowsheet;
the energy flow diagram display module is used for displaying energy flow diagram effects.
A garden energy flow graph design method based on the Internet of things comprises the following specific steps:
s1, installing deployment metering equipment: the intelligent ammeter, the intelligent water meter, the photovoltaic equipment and various monitoring terminals are installed and deployed in the collection layer equipment in the park according to space planning requirements, so that the integration of energy metering and wireless transmission functions under the condition that a peripheral power supply and an additional communication interface are not needed is realized;
s2, installing deployment gateway equipment: installing and deploying gateway equipment, and accessing the metering equipment in the step S1 to a gateway to obtain metering data of the equipment; meanwhile, a Server end of a protocol conversion layer is configured to be connected, gateway registration is needed to be carried out on the Server end after the gateway registration is successful, and equipment registration is carried out;
s3, gateway registration: the gateway registration is carried out by issuing gateway equipment information to a Server terminal Registered Topic of the protocol conversion layer; the Client of the protocol conversion layer monitors a message queue by subscribing the Registered Topic, consumes Registered data and verifies the validity of the data, generates a Token and issues the Token to the Registered Topic for the gateway layer to subscribe; the Token is generated through a Hash algorithm, is an identity credential of data reported by a gateway, and has uniqueness;
s4, registering metering equipment: issuing metering equipment information to a Server terminal Registered Topic of a protocol conversion layer to register metering equipment; the gateway register in step S3 subscribes to the same theme, except that the incoming data are different, and the gateway Token carried is used for identity authentication when the metering equipment registers and issues data; the protocol conversion layer subscribes to the registration data of the metering equipment, sorts and stores the information of the metering equipment, and the metering equipment supports a tree structure model;
s5, collecting data and reporting: the gateway layer acquires metering equipment data at fixed time, and uniformly distributes the metering equipment data to a Server end reporting Topic of the protocol conversion layer after summarizing to report the data, and the period defaults to 15S; the Client of the protocol conversion layer monitors a message queue by subscribing the Reported Topic, consumes Reported data and associates the registration equipment to carry out data classification and inserts the data classification into the database layer;
s6, data processing: the data processing layer designs a calculation model matched with the energy data of the park, and periodically calculates the data in storage of the protocol conversion layer according to energy classification, energy consumption sub-items and time-period summarization; the cleaning model can regularly transfer data of a data table in storage of the protocol conversion layer and store the data table for persistence;
s7, configuration of energy flow diagrams: performing view layer energy flow diagram configuration pages through an energy flow diagram configuration module of a service layer, and adding energy flow diagrams; after the energy flow graph is added successfully, adding nodes and links at the same time; the node supports self definition, when links are added, a source node and a target node are selected, and meanwhile, the metering equipment is bound; adding a plurality of links when multi-node energy flow is demonstrated; meanwhile, the energy flow diagram configuration page of the view layer supports modification and deletion of configured energy flow diagrams, nodes and links;
s8, energy flow diagram display: performing view layer energy flow graph query operation through an energy flow graph query module of a service layer, selecting configured energy flow graphs to view energy flow graph information, and displaying energy flow data of the current day by default;
s9, energy flow graph analysis: and carrying out view layer energy flow graph analysis query by an energy flow graph analysis module of the service layer, and simultaneously supporting a self-defined time range, a comparison type and a time scale query energy flow graph by an energy flow graph display page.
Preferably, the energy classification in step S6 includes electric energy and water energy;
the energy consumption items in the step S6 comprise energy storage, load and photovoltaic;
the time-sharing aggregate in the step S6 refers to obtaining energy data of every 15 minutes, every hour, every day, every month and every year;
the comparison types in the step S9 comprise the same ratio, the ring ratio and the free ratio;
the time scale in step S9 includes day, month and year.
The system and the method for designing the park energy flow graph based on the Internet of things have the following advantages:
the intelligent analysis method has the advantages that firstly, the internet of things is used as a technical base, and advanced technologies such as a cloud platform and an edge gateway are adopted, so that intelligent analysis of energy sources in a park is realized, and meanwhile, the system cost is reduced, the elasticity is scalable and the deployment is rapid; the equipment registration and the data reporting are carried out by adopting multithreading high concurrency, the performance is greatly optimized, and the single access of 5W metering equipment data 5S can be completed in a warehouse; meanwhile, the method provides a self-energy flow chart for rapidly analyzing energy conversion, prevents risks in advance based on the analysis of the same-ratio loop ratio, and provides a decision basis for energy saving optimization;
the technical scheme of the invention is used for clearly checking the energy specific flow conversion through the view layer, and provides more feasible schemes for improving the energy utilization efficiency;
the invention realizes great innovation, not only monitors electricity consumption data, but also is connected with metering equipment such as water meters, photovoltaic power generation, livestock batteries and the like; the advanced technical advantages of the Internet of things, the edge gateway and the cloud platform are utilized, and the method has the characteristics of rapid deployment, elastic expansion, distributed and low cost; meanwhile, based on the self-defined nodes and the time-sharing summary metering data, a user can be quickly supported to check the energy conversion of any line, risks are prevented in advance based on the analysis of the same-ratio loop ratio, and a decision basis is provided for energy conservation optimization.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a block diagram of a system for designing a park energy flow graph based on the Internet of things;
fig. 2 is a flow chart diagram of a method for designing a campus energy flow diagram based on the internet of things.
Detailed Description
The system and the method for designing the energy flow diagram of the park based on the Internet of things are described in detail below with reference to the accompanying drawings and the specific embodiments.
Example 1:
as shown in fig. 1, the embodiment provides a system for designing a park energy flow graph based on the internet of things, which comprises an acquisition layer, a gateway layer, a protocol conversion layer, a data processing layer, a database layer, a service layer and a view layer;
the acquisition layer is used for acquiring energy data and transmitting the energy data to the gateway layer;
the gateway layer is used for accessing the energy data acquired by the acquisition layer and finishing gateway registration and data reporting;
the protocol conversion layer is used for interfacing with the gateway, registering the equipment and reporting the metering data;
the data processing layer is used for data calculation and data cleaning;
the database layer is a distributed relational database and is used for meeting the requirements of a protocol conversion layer, a data processing layer and a service layer on the insertion, inquiry, modification and deletion of data;
the service layer is used for configuring, inquiring and analyzing the energy flow graph;
the view layer is used for enabling flowsheet configuration and customer-defined query analysis display.
The acquisition layer in this embodiment includes ammeter, water gauge, photovoltaic equipment, battery and the energy monitoring devices who connects thereof.
The gateway layer in the embodiment comprises a data access module, a gateway registration module and a data reporting module;
the data access module is used for registering the acquisition layer equipment to the gateway and acquiring the equipment metering data at fixed time;
the data registration module is used for registering the gateway and the metering equipment to the protocol conversion layer; when a gateway is newly added, the gateway can issue a gateway registration request to a Server terminal Registered Topic of a protocol conversion layer; the protocol conversion layer receives a gateway registration request, and returns a Token after verifying that the gateway is legal;
the data reporting module is used for sending the metering data and Token acquired by the data access module to the Registered Token, namely the data reporting process.
A Server end and a Client end are deployed on a protocol conversion layer in the embodiment, and the Server end is a distributed publishing and subscribing message system.
The protocol conversion layer in the embodiment comprises a registration module and a reporting module;
the registration module is used for actively subscribing the message from the Registered Topic when the Client monitors the change of the Registered Topic queue of the Server, and classifying and warehousing the subscribed gateway and equipment information; after warehousing, generating Token tokens, issuing the Token tokens to a Registered Token, and receiving the Token tokens by a gateway for reporting the data and authenticating identities;
the reporting module is used for actively subscribing the message from the reporting Topic when the Client monitors the change of the Server-side reporting Topic queue, and associating the pulled metering data to the specific equipment for classifying and warehousing.
The data processing layer in this embodiment includes a calculation model and a cleaning model;
the calculation model is used for periodically summarizing and calculating data stored in the protocol conversion layer according to energy classification, energy consumption items and time periods;
the cleaning model is used for regularly transferring data of the data table in the warehouse of the protocol conversion layer and storing the data table in a lasting mode.
The service layer in the embodiment comprises a flow diagram configuration module, a flow diagram query module and a flow diagram analysis module;
the energy flow diagram configuration module is used for supporting the operation of adding, modifying and deleting energy flow diagrams of the view layer;
the energy flow graph query module is used for supporting view layer query operation on the energy flow graph;
and the energy flow graph analysis module is used for automatically calculating analysis results of the same ratio, the ring ratio and the free ratio when the supporting view layer passes through the self-defined time range.
The view layer in the embodiment comprises an energy flow diagram configuration module and an energy flow diagram display module;
the flowsheet configuration module is used for page operations of adding, modifying and deleting the flowsheet;
the energy flow diagram display module is used for displaying energy flow diagram effects.
Example 2:
as shown in fig. 2, the embodiment provides a method for designing a park energy flow graph based on the internet of things, which specifically comprises the following steps:
s1, installing deployment metering equipment: the intelligent ammeter, the intelligent water meter, the photovoltaic equipment and various monitoring terminals are installed and deployed in the collection layer equipment in the park according to space planning requirements, so that the integration of energy metering and wireless transmission functions under the condition that a peripheral power supply and an additional communication interface are not needed is realized;
s2, installing deployment gateway equipment: installing and deploying gateway equipment, and accessing the metering equipment in the step S1 to a gateway to obtain metering data of the equipment; meanwhile, a Server end of a protocol conversion layer is configured to be connected, gateway registration is needed to be carried out on the Server end after the gateway registration is successful, and equipment registration is carried out;
s3, gateway registration: the gateway registration is carried out by issuing gateway equipment information to a Server terminal Registered Topic of the protocol conversion layer; the Client of the protocol conversion layer monitors a message queue by subscribing the Registered Topic, consumes Registered data and verifies the validity of the data, generates a Token and issues the Token to the Registered Topic for the gateway layer to subscribe; the Token is generated through a Hash algorithm, is an identity credential of data reported by a gateway, and has uniqueness;
s4, registering metering equipment: issuing metering equipment information to a Server terminal Registered Topic of a protocol conversion layer to register metering equipment; the gateway register in step S3 subscribes to the same theme, except that the incoming data are different, and the gateway Token carried is used for identity authentication when the metering equipment registers and issues data; the protocol conversion layer subscribes to the registration data of the metering equipment, sorts and stores the information of the metering equipment, and the metering equipment supports a tree structure model;
s5, collecting data and reporting: the gateway layer acquires metering equipment data at fixed time, and uniformly distributes the metering equipment data to a Server end reporting Topic of the protocol conversion layer after summarizing to report the data, and the period defaults to 15S; the Client of the protocol conversion layer monitors a message queue by subscribing the Reported Topic, consumes Reported data and associates the registration equipment to carry out data classification and inserts the data classification into the database layer;
s6, data processing: the data processing layer designs a calculation model matched with the energy data of the park, and periodically calculates the data in storage of the protocol conversion layer according to energy classification, energy consumption sub-items and time-period summarization; the cleaning model can regularly transfer data of a data table in storage of the protocol conversion layer and store the data table for persistence; wherein, the energy classification comprises electric energy and water energy; the energy consumption items comprise energy storage, load and photovoltaics; the time-sharing aggregate calculation refers to obtaining energy data of every 15 minutes, every hour, every day, every month and every year;
s7, configuration of energy flow diagrams: performing view layer energy flow diagram configuration pages through an energy flow diagram configuration module of a service layer, and adding energy flow diagrams; after the energy flow graph is added successfully, adding nodes and links at the same time; the node supports self definition, when links are added, a source node and a target node are selected, and meanwhile, the metering equipment is bound; adding a plurality of links when multi-node energy flow is demonstrated; meanwhile, the energy flow diagram configuration page of the view layer supports modification and deletion of configured energy flow diagrams, nodes and links;
s8, energy flow diagram display: performing view layer energy flow graph query operation through an energy flow graph query module of a service layer, selecting configured energy flow graphs to view energy flow graph information, and displaying energy flow data of the current day by default;
s9, energy flow graph analysis: the view layer energy flow graph analysis query is carried out through the energy flow graph analysis module of the service layer, and the energy flow graph display page simultaneously supports the self-defined time range, comparison type and time scale query energy flow graph; wherein the comparison type comprises the same ratio, the ring ratio and the free ratio; the time scale in step S9 includes day, month and year.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.
Claims (6)
1. The park energy flow graph design system based on the Internet of things is characterized by comprising an acquisition layer, a gateway layer, a protocol conversion layer, a data processing layer, a database layer, a service layer and a view layer;
the acquisition layer is used for acquiring energy data and transmitting the energy data to the gateway layer;
the gateway layer is used for accessing the energy data acquired by the acquisition layer and finishing gateway registration and data reporting;
the protocol conversion layer is used for interfacing with the gateway, registering the equipment and reporting the metering data;
the data processing layer is used for data calculation and data cleaning;
the database layer is a distributed relational database and is used for interfacing the requirements of the protocol conversion layer, the data processing layer and the service layer on the insertion, inquiry, modification and deletion of data;
the service layer is used for configuring, inquiring and analyzing the energy flow graph;
the view layer is used for configuring the flow graph and analyzing and displaying the user-defined query;
the gateway layer comprises a data access module, a gateway registration module and a data reporting module;
the data access module is used for registering the acquisition layer equipment to the gateway and acquiring the equipment metering data at fixed time;
the data registration module is used for registering the gateway and the metering equipment to the protocol conversion layer; when a gateway is newly added, the gateway can issue a gateway registration request to a Server terminal Registered Topic of a protocol conversion layer; the protocol conversion layer receives a gateway registration request, and returns a Token after verifying that the gateway is legal;
the data reporting module is used for sending the metering data acquired by the data access module and the Token to the Registered Token to be a data reporting process;
the protocol conversion layer comprises a registration module and a reporting module;
the registration module is used for actively subscribing the message from the Registered Topic when the Client monitors the change of the Registered Topic queue of the Server, and classifying and warehousing the subscribed gateway and equipment information; after warehousing, generating Token tokens, issuing the Token tokens to a Registered Token, and receiving the Token tokens by a gateway for reporting the data and authenticating identities;
the reporting module is used for actively subscribing the message from the reporting Topic and associating the pulled metering data to the specific equipment for classifying and warehousing when the Client monitors the change of the Server-side reporting Topic queue;
the data processing layer comprises a calculation model and a cleaning model;
the calculation model is used for periodically summarizing and calculating data stored in the protocol conversion layer according to energy classification, energy consumption items and time periods;
the cleaning model is used for regularly transferring data of the data table in the warehouse of the protocol conversion layer and storing the data table in a lasting mode;
the service layer comprises a power flow diagram configuration module, a power flow diagram query module and a power flow diagram analysis module;
the energy flow diagram configuration module is used for supporting the operation of adding, modifying and deleting energy flow diagrams of the view layer;
the energy flow graph query module is used for supporting view layer query operation on the energy flow graph;
and the energy flow graph analysis module is used for automatically calculating analysis results of the same ratio, the ring ratio and the free ratio when the supporting view layer passes through the self-defined time range.
2. The internet of things-based campus energy flow graph design system of claim 1, wherein the collection layer includes electricity meters, water meters, photovoltaic devices, storage batteries, and their connected energy monitoring devices.
3. The internet of things-based campus energy flow graph design system of claim 1 or 2, wherein a Server end and a Client end are deployed on the protocol conversion layer, and the Server end is a distributed publish-subscribe message system.
4. The internet of things-based campus energy flow graph design system of claim 1, wherein the view layer includes an energy flow graph configuration module and an energy flow graph presentation module;
the flowsheet configuration module is used for page operations of adding, modifying and deleting the flowsheet;
the energy flow diagram display module is used for displaying energy flow diagram effects.
5. The park energy flow graph design method based on the Internet of things is characterized by comprising the following specific steps of:
s1, installing deployment metering equipment: the intelligent ammeter, the intelligent water meter, the photovoltaic equipment and various monitoring terminals are installed and deployed in the collection layer equipment in the park according to space planning requirements;
s2, installing deployment gateway equipment: installing and deploying gateway equipment, and accessing the metering equipment in the step S1 to a gateway to obtain metering data of the equipment; meanwhile, a Server end of the protocol conversion layer is configured for connection;
s3, gateway registration: the gateway registration is carried out by issuing gateway equipment information to a Server terminal Registered Topic of the protocol conversion layer; the Client of the protocol conversion layer monitors a message queue by subscribing the Registered Topic, consumes Registered data and verifies the validity of the data, generates a Token and issues the Token to the Registered Topic for the gateway layer to subscribe;
s4, registering metering equipment: issuing metering equipment information to a Server terminal Registered Topic of a protocol conversion layer to perform metering equipment registration, wherein a gateway Token carried by the metering equipment is used for identity authentication when the metering equipment registers issued data; the protocol conversion layer subscribes to the registration data of the metering equipment, sorts and stores the information of the metering equipment, and the metering equipment supports a tree structure model;
s5, collecting data and reporting: the gateway layer acquires metering equipment data at fixed time, and uniformly distributes the metering equipment data to a Server end reporting Topic of the protocol conversion layer after summarizing the metering equipment data to report the data; the Client of the protocol conversion layer monitors a message queue by subscribing the Reported Topic, consumes Reported data and associates the registration equipment to carry out data classification and inserts the data classification into the database layer;
s6, data processing: the data processing layer designs a calculation model matched with the energy data of the park, and periodically calculates the data in storage of the protocol conversion layer according to energy classification, energy consumption sub-items and time-period summarization; the cleaning model can regularly transfer data of a data table in storage of the protocol conversion layer and store the data table for persistence;
s7, configuration of energy flow diagrams: performing view layer energy flow diagram configuration pages through an energy flow diagram configuration module of a service layer, and adding energy flow diagrams; after the energy flow graph is added successfully, adding nodes and links at the same time; the node supports self definition, when links are added, a source node and a target node are selected, and meanwhile, the metering equipment is bound; adding a plurality of links when multi-node energy flow is demonstrated; meanwhile, the energy flow diagram configuration page of the view layer supports modification and deletion of configured energy flow diagrams, nodes and links;
s8, energy flow diagram display: performing view layer energy flow diagram query operation through an energy flow diagram query module of a service layer, and selecting configured energy flow diagrams to view energy flow diagram information;
s9, energy flow graph analysis: and carrying out view layer energy flow graph analysis query by an energy flow graph analysis module of the service layer, and simultaneously supporting a self-defined time range, a comparison type and a time scale query energy flow graph by an energy flow graph display page.
6. The internet of things-based campus energy flow graph design method of claim 5, wherein the energy classification in step S6 includes electric energy and water energy;
the energy consumption items in the step S6 comprise energy storage, load and photovoltaic;
the time-sharing aggregate in the step S6 refers to obtaining energy data of every 15 minutes, every hour, every day, every month and every year;
the comparison types in the step S9 comprise the same ratio, the ring ratio and the free ratio;
the time scale in step S9 includes day, month and year.
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