CN115174613A - 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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Abstract
The invention discloses a park energy flow graph design system and method based on the Internet of things, belongs to the technical field of the Internet of things, and aims to solve the technical problem of how to design an energy flow graph based on the Internet of things and ensure that a user can clearly view the specific flow transformation of the energy flow graph, wherein the technical scheme is as follows: the system comprises a collection 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 completing gateway registration and data reporting; the protocol conversion layer is used for docking 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 meeting the requirements of the protocol conversion layer, the data processing layer and the service layer on data insertion, query, modification and deletion; the service layer is used for energy flow graph configuration, query and analysis; and the view layer is used for the configuration of the energy flow graph and the custom query analysis display of a customer.
Description
Technical Field
The invention relates to the technical field of Internet of things, in particular to a park energy flow chart 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 the IT industry is called as follows: the interconnection means that the objects are connected and all the objects are connected. Therefore, the Internet of things is the Internet connected with the objects. The method has two layers, namely, the core and the foundation of the Internet of things are still the Internet, and the Internet is an extended and expanded network on the basis of the Internet; and secondly, the user side extends and expands to any article to perform information exchange and communication. The Internet of things is widely applied to the field of energy monitoring through communication sensing technologies such as intelligent sensing, identification technology and pervasive computing.
The energy flow graph is a chart representing the flowing condition of energy (such as heat energy, electric energy and the like), and can dynamically present the energy flow of a certain region, an industrial enterprise or a certain single device. The energy flow graph not only can visually and quantitatively show the complete picture of energy supply, conversion and use quantity, but also can reveal the energy utilization efficiency level of each link.
How to design an energy flow graph based on the internet of things ensures that a user can clearly check the specific flow transformation 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 park energy flow diagram design system and method based on the Internet of things, so as to solve the problems of how to design an energy flow diagram based on the Internet of things, ensuring that a user can clearly check the specific flow transformation of the energy flow diagram, and providing more feasible schemes for improving the energy utilization efficiency.
The technical task of the invention is realized in the following way, the energy flow diagram design system for the park based on the Internet of things 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 completing gateway registration and data reporting;
the protocol conversion layer is used for butting the gateway, equipment registration and measurement data reporting;
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 data insertion, query, modification and deletion;
the service layer is used for energy flow graph configuration, query and analysis;
and the view layer is used for the configuration of the energy flow graph and the custom query analysis display of a customer.
Preferably, the collection layer comprises an electric meter, 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 equipment metering data at regular 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 the Server terminal Registered Topic of the protocol conversion layer; the protocol conversion layer receives the 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 obtained by the data access module to the Registered Token, namely the data reporting process.
Preferably, the protocol conversion layer is provided with a Server terminal and a Client terminal, and the Server terminal is a distributed publish-subscribe message system.
Preferably, the protocol conversion layer comprises a registration module and a reporting module;
the registration module is used for actively subscribing information from the Registered Topic when the Client monitors that the Registered Topic queue of the Server changes, and classifying and storing the subscribed gateway and equipment information; generating a Token after warehousing is finished, issuing the Token to Registered Token, and receiving the Token by the gateway for data reporting identity authentication;
the reporting module is used for actively subscribing the message from the Reported Topic when the Client monitors the change of the Reported Topic queue of the Server, and associating the pulled metering data with the specific equipment for classified storage.
Preferably, the data processing layer comprises a calculation model and a cleaning model;
the calculation model is used for summarizing and calculating the data which are input by the protocol conversion layer periodically according to energy classification, energy consumption items and time intervals;
the cleaning model is used for regularly transferring data of the data table put in the protocol conversion layer and performing persistent storage.
Preferably, the service layer comprises a power flow graph configuration module, a power flow graph query module and a power flow graph analysis module;
the energy flow diagram configuration module is used for supporting the operation of adding, modifying and deleting energy flow diagrams on the view layers;
the energy flow graph query module is used for supporting a view layer to query 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 support view layer passes through the user-defined time range.
Preferably, the viewing layer comprises a power flow diagram configuration module and a power flow diagram display module;
the energy flow graph configuration module is used for page operation of adding, modifying and deleting energy flow graphs;
the energy flow graph display module is used for displaying the energy flow graph effect.
A park energy flow chart design method based on the Internet of things comprises the following specific steps:
s1, installing and deploying metering equipment: the intelligent electric meter, the intelligent water meter, the photovoltaic equipment and various monitoring terminals are installed and deployed in a collection layer equipment in a park according to space planning requirements, and energy metering and wireless transmission functions are integrated under the condition that an external power supply and an additional communication interface are not needed;
s2, installing and deploying gateway equipment: installing and deploying gateway equipment, and accessing the metering equipment in the step S1 to a gateway to realize the acquisition of the metering data of the equipment; meanwhile, configuring Server end connection of a protocol conversion layer, performing gateway registration when the Server end is connected for the first time, and performing equipment registration after the gateway registration is successful;
s3, gateway registration: issuing gateway equipment information to a Server terminal Registered Topic of a protocol conversion layer for gateway registration; a Client terminal of the protocol conversion layer monitors a message queue by subscribing the Registered Token, consumes the registration data and verifies the validity of the data, and then generates a Token and issues the Token to the Registered Token for the subscription of the gateway layer; the Token is generated through a Hash algorithm, is an identity certificate of data reported by a gateway, and has uniqueness;
s4, registering metering equipment: issuing metering equipment information to a Server terminal Registered client of a protocol conversion layer for metering equipment registration; if the gateway in the step S3 is registered and subscribed to the same topic, the difference is that the incoming data is different, and the metering device will carry the gateway Token for identity authentication when registering and releasing data; the protocol conversion layer subscribes the registration data of the metering equipment, classifies the information of the metering equipment into a warehouse, and the metering equipment supports a tree structure model;
s5, reporting acquired data: the gateway layer acquires the metering equipment data at regular time, and after the data are collected, the data are uniformly released to a Server end Reported timestamp of the protocol conversion layer for data reporting, and the period is default to 15S; a Client terminal of the protocol conversion layer monitors a message queue by subscribing Reported Topic, consumes the Reported data and associates with the registration equipment to perform data classification and insert the data into a database layer;
s6, data processing: the data processing layer designs a calculation model matched with park energy data, and periodically calculates the data put in the protocol conversion layer according to energy classification, energy consumption itemization and time-interval summarization; the cleaning model can periodically transfer data to the data table put in the protocol conversion layer for persistent storage;
s7, energy flow diagram configuration: performing view layer energy flow diagram configuration page through an energy flow diagram configuration module of a service layer, and adding energy flow diagrams; after the energy flow graph is successfully added, nodes and links are added at the same time; the node supports self-defining, a source node and a target node are selected when a link is added, and meanwhile, metering equipment is bound; when multi-node energy flow is shown, adding a plurality of links; meanwhile, the energy flow graph configuration page of the view layer supports modification and deletion of the configured energy flow graph, nodes and links;
s8, energy flow diagram display: performing viewing layer energy flow chart query operation through an energy flow chart query module of a service layer, selecting a configured energy flow chart to view energy flow chart information, and displaying energy flow data of the current day by default;
s9, energy flow diagram analysis: and analyzing and inquiring the energy flow graph of the view layer through an energy flow graph analysis module of the service layer, wherein the energy flow graph display page simultaneously supports user-defined time range, comparison type and time scale to inquire the energy flow graph.
Preferably, the energy classification in step S6 includes electric energy and hydraulic energy;
the energy consumption items in the step S6 comprise energy storage, load and photovoltaic;
the time-interval summary calculation in the step S6 means that energy data of every 15 minutes, every hour, every day, every month and every year are obtained;
the comparison types in the step S9 comprise a same ratio, a ring ratio and a free ratio;
the time scale in step S9 includes day, month and year.
The park energy flow graph design system and method based on the Internet of things have the following advantages:
the intelligent analysis system takes the Internet of things as a technical base, adopts advanced technologies such as a cloud platform and an edge gateway, reduces the system cost, is elastically telescopic and is rapidly deployed while realizing intelligent analysis on energy of a park; the device registration and the data reporting both adopt multithreading high concurrency, the performance is greatly optimized, and 5S of 5W metering device data accessed once can be put in storage; meanwhile, a self-made energy flow graph is provided for quickly analyzing energy conversion, risks are prevented in advance based on the same-proportion ring ratio analysis, and a decision basis is provided for energy-saving optimization;
by utilizing the technical scheme of the invention, the specific flow conversion of energy can be clearly checked through the viewing layer, so that more feasible schemes are provided for improving the energy utilization efficiency;
the invention realizes great innovation, not only monitors the electricity consumption data, but also accesses metering equipment such as water meters, photovoltaic power generation, livestock batteries and the like; by utilizing the advanced technical advantages of the Internet of things, the edge gateway and the cloud platform, the method has the characteristics of quick deployment, elastic expansion, distribution and low cost; meanwhile, the method can quickly support a user to check the energy conversion of any line based on the user-defined nodes and the time-sharing summary metering data, prevent risks in advance based on the same-proportion ring ratio analysis, and provide decision basis for energy-saving optimization.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a structural block diagram of a campus energy flow diagram design system based on the Internet of things;
fig. 2 is a flow chart diagram of a campus energy flow diagram design method based on the internet of things.
Detailed Description
The energy flow graph design system and method based on the internet of things of the invention are described in detail below with reference to the attached drawings and specific embodiments of the specification.
Example 1:
as shown in fig. 1, the embodiment provides a campus energy flow diagram design system based on the internet of things, which includes 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 completing gateway registration and data reporting;
the protocol conversion layer is used for butting the gateway, equipment registration and measurement data reporting;
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 data insertion, query, modification and deletion;
the service layer is used for energy flow graph configuration, query and analysis;
and the view layer is used for the configuration of the energy flow graph and the custom query analysis display of a customer.
The collection layer in this embodiment includes ammeter, water gauge, photovoltaic equipment, battery and the energy monitoring devices who connects.
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 equipment metering data at regular 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 issues a gateway registration request to the Server terminal Registered Topic of the protocol conversion layer; the protocol conversion layer receives the 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 obtained by the data access module to the Registered Token, namely the data reporting process.
The Server terminal and the Client terminal are deployed on the protocol conversion layer in this embodiment, and the Server terminal is a distributed publish-subscribe 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 information from the Registered Topic when the Client monitors that the Registered Topic queue of the Server changes, and classifying and storing the subscribed gateway and equipment information; generating a Token after warehousing is finished, issuing the Token to Registered Token, and receiving the Token by the gateway for data reporting identity authentication;
the reporting module is used for actively subscribing the message from the Reported Topic when the Client monitors the change of the Reported Topic queue of the Server, and associating the pulled metering data with the specific equipment for classified storage.
The data processing layer in the embodiment comprises a calculation model and a cleaning model;
the calculation model is used for summarizing and calculating the data which are input by the protocol conversion layer periodically according to energy classification, energy consumption items and time intervals;
the cleaning model is used for regularly transferring data of the data table put in the protocol conversion layer and performing persistent storage.
The service layer in the embodiment comprises an energy flow graph configuration module, an energy flow graph query module and an energy flow graph analysis module;
the energy flow diagram configuration module is used for supporting the operation of adding, modifying and deleting energy flow diagrams on the view layers;
the energy flow graph query module is used for supporting the view layer and performing 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 support view layer passes through the user-defined time range.
The viewing layer in the embodiment comprises a power flow diagram configuration module and a power flow diagram display module;
the energy flow graph configuration module is used for page operation of adding, modifying and deleting energy flow graphs;
the energy flow graph display module is used for displaying energy flow graph effects.
Example 2:
as shown in fig. 2, the embodiment provides a campus energy flow diagram design method based on the internet of things, and the method includes the following specific steps:
s1, installing and deploying metering equipment: the intelligent electric meter, the intelligent water meter, the photovoltaic equipment and various monitoring terminals are installed and deployed in a collection layer equipment in a park according to space planning requirements, and energy metering and wireless transmission functions are integrated under the condition that an external power supply and an additional communication interface are not needed;
s2, installing and deploying gateway equipment: installing and deploying gateway equipment, and accessing the metering equipment in the step S1 to a gateway to realize the acquisition of the metering data of the equipment; meanwhile, configuring the Server end connection of the protocol conversion layer, performing gateway registration when the Server end is connected for the first time, and performing equipment registration after the gateway registration is successful;
s3, gateway registration: issuing gateway equipment information to a Server terminal Registered client of a protocol conversion layer for gateway registration; the Client terminal of the protocol conversion layer monitors the message queue by subscribing the Registered Token, consumes the registration data and verifies the validity of the data, and then generates a Token and issues the Token to the Registered Token for the subscription of the gateway layer; the Token is generated through a Hash algorithm, is an identity certificate of data reported by the gateway, and has uniqueness;
s4, registering metering equipment: issuing metering equipment information to a Server terminal Registered client of a protocol conversion layer for metering equipment registration; if the gateway in the step S3 is registered and subscribed to the same topic, the difference is that the incoming data is different, and the metering device will carry the gateway Token for identity authentication when registering and releasing data; the protocol conversion layer subscribes metering equipment registration data, and classifies and stores metering equipment information in a warehouse, wherein the metering equipment supports a tree structure model;
s5, collected data reporting: the gateway layer acquires the metering equipment data at regular time, and after the data are collected, the data are uniformly released to a Server end Reported timestamp of the protocol conversion layer for data reporting, and the period is default to 15S; a Client terminal of the protocol conversion layer monitors a message queue by subscribing Reported Topic, consumes the Reported data and associates with the registration equipment to perform data classification and insert the data into a database layer;
s6, data processing: the data processing layer designs a calculation model matched with the park energy data, and periodically collects and calculates the data stored in the protocol conversion layer according to energy classification, energy consumption subentries and time intervals; the cleaning model can periodically transfer data to the data table which is put in a database by the protocol conversion layer and carry out persistent storage; wherein, the energy classification comprises electric energy and water energy; the energy consumption items comprise energy storage, load and photovoltaic; the time-interval summary calculation means that energy data of every 15 minutes, every hour, every day, every month and every year are obtained;
s7, energy flow diagram configuration: performing view layer energy flow diagram configuration page through an energy flow diagram configuration module of a service layer, and adding energy flow diagrams; after the energy flow graph is successfully added, simultaneously adding nodes and links; the node supports self-defining, a source node and a target node are selected when a link is added, and meanwhile, metering equipment is bound; when the multi-node energy flow is displayed, adding a plurality of links; meanwhile, the energy flow graph configuration page of the view layer supports modification and deletion of the configured energy flow graph, nodes and links;
s8, energy flow diagram display: performing viewing layer energy flow chart query operation through an energy flow chart query module of a service layer, selecting a configured energy flow chart to view energy flow chart information, and displaying energy flow data of the current day by default;
s9, energy flow diagram analysis: analyzing and inquiring the energy flow graph of the view layer through an energy flow graph analysis module of the service layer, wherein an energy flow graph display page simultaneously supports user-defined time range, comparison type and time scale to inquire the energy flow graph; wherein the comparison types comprise a same ratio, a ring ratio and a free ratio; the time scale in step S9 includes day, month and year.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A park energy flow diagram design system based on the Internet of things is characterized by comprising a collection 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 completing gateway registration and data reporting;
the protocol conversion layer is used for docking 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 data insertion, query, modification and deletion;
the service layer is used for energy flow graph configuration, query and analysis;
and the view layer is used for energy flow graph configuration and customer-defined query analysis display.
2. The energy flow diagram design system for the campus based on the internet of things of claim 1, wherein the collection layer comprises an electric meter, a water meter, a photovoltaic device, a storage battery and an energy monitoring device connected with the storage battery.
3. The energy flow diagram design system for the campus based on the internet of things of claim 1, wherein 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 equipment metering data at regular 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 issues a gateway registration request to the Server terminal Registered Topic of the protocol conversion layer; the protocol conversion layer receives the 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 obtained by the data access module to the Registered Token, namely the data reporting process.
4. The park energy flow graph design system based on the Internet of things of claims 1-3, wherein a Server terminal and a Client terminal are deployed on the protocol conversion layer, and the Server terminal is a distributed publish-subscribe message system.
5. The Internet of things-based park energy flow graph design system according to claim 4, wherein the protocol conversion layer comprises a registration module and a reporting module;
the registration module is used for actively subscribing information 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; generating a Token after warehousing is finished, and issuing the Token to a Registered Token, wherein the Token is received by a gateway and used for data reporting identity authentication;
the reporting module is used for actively subscribing the message from the Reported Topic when the Client monitors the change of the Reported Topic queue of the Server, and associating the pulled metering data with the specific equipment for classified storage.
6. The Internet of things-based park energy flow graph design system according to claim 1, wherein the data processing layer comprises a computational model and a cleaning model;
the calculation model is used for regularly summarizing and calculating data which are input into the protocol conversion layer according to energy classification, energy consumption items and time intervals;
the cleaning model is used for regularly transferring data of the data table put in the protocol conversion layer and performing persistent storage.
7. The Internet of things-based park energy flow graph design system according to claim 1, wherein the service layer comprises an energy flow graph configuration module, an energy flow graph query module and an energy flow graph 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 a view layer to query 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 support view layer passes through the user-defined time range.
8. The park energy flow graph design system based on the internet of things of claim 1, wherein the view layer comprises an energy flow graph configuration module and an energy flow graph display module;
the energy flow graph configuration module is used for page operation of adding, modifying and deleting energy flow graphs;
the energy flow graph display module is used for displaying the energy flow graph effect.
9. A park energy flow chart design method based on the Internet of things is characterized by comprising the following specific steps:
s1, installing and deploying metering equipment: installing and deploying an intelligent electric meter, an intelligent water meter, photovoltaic equipment and various monitoring terminals in a park according to space planning requirements;
s2, installing and deploying gateway equipment: installing and deploying gateway equipment, and accessing the metering equipment in the step S1 to a gateway to realize the acquisition of the metering data of the equipment; configuring the Server end connection of the protocol conversion layer;
s3, gateway registration: issuing gateway equipment information to a Server terminal Registered Topic of a protocol conversion layer for gateway registration; the Client terminal of the protocol conversion layer monitors the message queue by subscribing the Registered Token, consumes the registration data and verifies the validity of the data, and then generates a Token and issues the Token to the Registered Token for the subscription of the gateway layer;
s4, registering metering equipment: issuing metering equipment information to a Server terminal Registered Topic of a protocol conversion layer for metering equipment registration, wherein a Token carrying a gateway is used for identity authentication when the metering equipment registers and issues data; the protocol conversion layer subscribes metering equipment registration data, and classifies and stores metering equipment information in a warehouse, wherein the metering equipment supports a tree structure model;
s5, reporting acquired data: the gateway layer acquires the metering equipment data at regular time, and after the data are collected, the data are uniformly released to a Server end Reported timestamp of the protocol conversion layer for data reporting; a Client terminal of the protocol conversion layer monitors a message queue by subscribing Reported Topic, consumes the Reported data and associates with the registration equipment to perform data classification and insert the data into a database layer;
s6, data processing: the data processing layer designs a calculation model matched with the park energy data, and periodically collects and calculates the data stored in the protocol conversion layer according to energy classification, energy consumption subentries and time intervals; the cleaning model can periodically transfer data to the data table put in the protocol conversion layer for persistent storage;
s7, energy flow diagram configuration: performing view layer energy flow diagram configuration page through an energy flow diagram configuration module of a service layer, and adding energy flow diagrams; after the energy flow graph is successfully added, nodes and links are added at the same time; the node supports self-definition, a source node and a target node are selected when a link is added, and meanwhile, metering equipment is bound; when the multi-node energy flow is displayed, adding a plurality of links; meanwhile, the energy flow graph configuration page of the view layer supports modification and deletion of the configured energy flow graph, nodes and links;
s8, energy flow diagram display: performing viewing layer power flow diagram query operation through a power flow diagram query module of a service layer, and selecting a configured power flow diagram to view power flow diagram information;
s9, energy flow graph analysis: and analyzing and inquiring the energy flow graph of the view layer through an energy flow graph analysis module of the service layer, wherein the energy flow graph display page simultaneously supports user-defined time range, comparison type and time scale to inquire the energy flow graph.
10. The energy flow diagram design method for the park based on the internet of things of claim 9, wherein the energy classification in the step S6 comprises electric energy and hydraulic energy;
the energy consumption items in the step S6 comprise energy storage, load and photovoltaic;
the time-interval summary calculation in the step S6 means that energy data every 15 minutes, every hour, every day, every month, and every year are obtained;
the comparison types in the step S9 comprise a same ratio, a ring ratio and a free ratio;
the time scale in step S9 includes day, month and year.
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