CN110381139B - Remote data acquisition method and device based on Internet - Google Patents

Abstract

The invention provides a remote data acquisition method and a device based on the Internet, wherein the method comprises the following steps: and the slave station sub-module generates a data slave station, the slave station sign-in sub-module connects the slave station sub-module to a transfer service module in the internet, and further, after the real-time data service sub-module receives a real-time data query request from the master station service module in the internet through the slave station sub-module, corresponding real-time remote variable data can be queried according to a preset variable table and is sent to the master station service module through the transfer service module. Therefore, according to the method, each field terminal device is converted into the cloud data service slave station for distributed data storage, so that when a master station service module at any position in the internet has a data query requirement, remote data of each place can be collected by the data slave stations distributed in each place through the transfer service module in the internet, a large amount of data flow and operation resources can be saved, and the cost is reduced.

Description

Remote data acquisition method and device based on Internet

Technical Field

The invention relates to the field of data processing, in particular to a remote data acquisition method and device based on the Internet.

Background

The internet is an important component of a new generation of information technology, and has two layers of meanings: firstly, the core and the foundation of the internet are still the internet, and the internet is a network extending and expanding on the basis of the internet; second, the user end extends and expands to any object and between objects to carry out information interaction and communication.

From a certain angle, the internet is also a way of collecting data, the front end collects data for the sensor, then the data is transmitted to the internet platform at the rear end through the network, and the internet platform analyzes the collected data, so that the comprehensive utilization of the data is realized. However, in the current data communication collection mode based on the internet, data is generally uploaded to a data processing and analyzing platform (internet data server) through field terminal equipment while data is collected, and the data is analyzed and applied through the platform. The data communication acquisition mode is to centralize all data in the internet data server, which has extremely high requirements on the data processing capacity, concurrency capacity and storage capacity of the server, and causes high data acquisition cost.

Therefore, how to utilize a more advanced method to realize effective acquisition of remote data in the internet so as to reduce data processing pressure and acquisition cost of an internet data server and save data traffic and operation resources has become an urgent problem to be solved.

Disclosure of Invention

In view of this, the present application provides a remote data acquisition method and apparatus based on the internet, which can implement effective acquisition of remote data in the internet, so as to reduce data processing pressure and acquisition cost of an internet data server, and can save data traffic and operation resources.

In a first aspect, to achieve the above object, the present application provides an internet-based remote data acquisition method, which is applied to a slave station service module, where the slave station service module includes a slave station submodule, a slave station sign-in submodule, and a real-time data service submodule; the method comprises the following steps:

the slave station submodule generates a data slave station;

the slave station sign-in sub-module connects the slave station sub-module to a transfer service module in the Internet;

the real-time data service sub-module receives a real-time data query request from a master station service module in the internet from a transfer service module in the internet through the slave station sub-module, queries corresponding real-time remote variable data according to a preset variable table according to the real-time data query request, and sends the real-time remote variable data to the transfer service module through the slave station sub-module, so that the transfer service module sends the real-time remote variable data to the master station service module.

In an optional implementation manner, the slave station service module further comprises a historical data service submodule; the method further comprises the following steps:

and after the historical data service submodule receives a historical remote data query request from the transfer service module through the slave station submodule, the historical data service submodule queries corresponding pre-stored historical variable data according to the historical remote data request, and sends the historical variable data to the transfer service module through the slave station submodule, so that the transfer service module sends the historical remote variable data to the master station server module.

In a second aspect, the application provides an internet-based remote data acquisition method, which is applied to a transfer service module in the internet, wherein the transfer service module comprises a transfer service submodule, a slave station check-in management submodule, a master station-to-slave station submodule and a slave station-to-master station submodule;

the transit service sub-module generates a transit service station,

the slave station sign-in management submodule receives and updates sign-in from a slave station service module, and then connects the transfer service station to the slave station service module;

The master station sign-in management submodule receives and updates sign-in from a master station service module in the internet and then connects the transfer service station to the master station service module;

the master station-to-slave station sub-module receives a data query request from the master station service module through the transfer service station and then sends the data query request to the slave station service module;

and the slave station-to-master station sub-module receives the data file from the slave station service module through the transfer service station and then sends the data file to the master station service module.

In a third aspect, the application provides an internet-based remote data acquisition method, which is applied to a master station service module in the internet, wherein the master station service module comprises a master station submodule, a master station check-in submodule and a real-time data query submodule;

the master station submodule generates a data master station;

the master station sign-in sub-module connects the master station sub-module to a transfer service module in the Internet;

the real-time data query sub-module sends a real-time data query request to the transfer service module through the master station sub-module, so that the transfer service module sends the real-time data query request to the slave station service module to perform real-time data query.

In an optional implementation manner, the master station service module further includes a historical data query sub-module; the method further comprises the following steps:

and the historical data query submodule sends a historical data query request to the transfer service module through the master station submodule, so that the transfer service module can send the historical data query request to the slave station service module to query historical data.

In a fourth aspect, the application also provides an internet-based remote data acquisition device, which is applied to a slave station service module, wherein the slave station service module comprises a slave station submodule, a slave station sign-in submodule and a real-time data service submodule; the device comprises:

the slave station submodule is used for generating a data slave station;

the slave station sign-in submodule is used for connecting the slave station submodule to a transfer service module in the Internet;

the real-time data service sub-module is used for inquiring corresponding real-time remote variable data according to a preset variable table and the real-time remote variable data is sent to the transfer service module through the slave sub-module after receiving a real-time data inquiry request from the transfer service module through the slave sub-module, so that the transfer service module can send the real-time remote variable data to the master service module.

In an optional implementation manner, the slave station service module further comprises a historical data service submodule; the device further comprises:

the historical data service submodule is used for inquiring corresponding pre-stored historical remote variable data according to the historical data request after the slave station submodule receives the historical data inquiry request from the transfer service module, and sending the historical variable data to the transfer service module through the slave station submodule, so that the transfer service module can send the historical remote variable data to the master station server module.

In a fifth aspect, the application further provides an internet-based remote data acquisition device, which is applied to a transfer service module in the internet, wherein the transfer service module comprises a transfer service submodule, a slave station check-in management submodule, a master station-to-slave station submodule and a slave station-to-master station submodule;

the transfer service submodule is used for generating a transfer service station,

the slave station sign-in management submodule is used for receiving and updating the sign-in from the slave station service module and then connecting the transfer service station to the slave station service module;

The master station sign-in management submodule is used for connecting the transfer service station to the master station service module after receiving and updating sign-in from the master station service module in the internet;

the master station-to-slave station sub-module is used for receiving a data query request from the master station service module through the transfer service station and then sending the data query request to the slave station service module;

and the slave station to master station sub-module is used for receiving the data file from the slave station service module through the transfer service station and then sending the data file to the master station service module.

In a sixth aspect, the application also provides an internet-based remote data acquisition device, which is applied to a master station service module in the internet, wherein the master station service module comprises a master station submodule, a master station sign-in submodule and a real-time data query submodule;

the master station submodule is used for generating a data master station;

the master station sign-in submodule is used for connecting the master station submodule to a transfer service module in the Internet;

and the real-time data query submodule is used for sending a real-time data query request to the transfer service module through the master station submodule so that the transfer service module can send the real-time data query request to the slave station service module to perform real-time data query.

In an optional implementation manner, the master station service module further includes a historical data query sub-module; the device further comprises:

the historical data query submodule is used for sending a historical data query request to the transfer service module through the master station submodule so that the transfer service module can send the historical data query request to the slave station service module to query historical data.

In a seventh aspect, the application further provides an internet-based remote data acquisition system, which includes a slave station service module, a transfer service module in the internet and a master station service module in the internet, where the slave station service module includes a slave station submodule, a slave station check-in submodule, and a real-time data service submodule; the transfer service module comprises a transfer service submodule, a slave station sign-in management submodule, a master station-to-slave station submodule and a slave station-to-master station submodule; the master station service module comprises a master station sub-module, a master station sign-in sub-module and a real-time data query sub-module;

the slave station submodule is used for generating a data slave station;

the slave station sign-in submodule is used for connecting the slave station submodule to a transfer service module in the Internet;

The real-time data service sub-module is used for inquiring corresponding real-time remote variable data according to a preset variable table and the real-time remote variable data are sent to the transfer service module through the slave sub-module after receiving a real-time data inquiry request from a transfer service module in the internet through the slave sub-module, so that the transfer service module can send the real-time remote variable data to the master service module;

the transfer service submodule is used for generating a transfer service station;

the slave station sign-in management submodule is used for receiving and updating the sign-in from the slave station service module and then connecting the transfer service station to the slave station service module;

the master station sign-in management submodule is used for receiving and updating sign-in from a master station service module in the internet and then connecting the transfer service station to the master station service module;

the master station-to-slave station sub-module is used for receiving a data query request from the master station service module through the transfer service station and then sending the query request to the slave station service module;

The slave station-to-master station submodule is used for receiving the data file from the slave station service module through the transfer service station and then sending the data file to the master station service module;

the master station submodule is used for generating a data master station;

the data master station is used for connecting the master station sub-module to a transfer service module in the Internet;

and the real-time data query submodule is used for sending a real-time data query request to the transfer service module through the master station submodule so that the transfer service module can send the real-time data query request to the slave station service module to perform real-time data query.

Therefore, the embodiment of the application has the following beneficial effects:

the remote data acquisition method based on the Internet is applied to the slave station service module, the slave station service module comprises a slave station submodule, a slave station sign-in submodule and a real-time data service submodule, wherein, firstly, the slave station sub-module generates the data slave station, then, the slave station sign-in sub-module connects the slave station sub-module to the transfer service module in the internet, furthermore, when the real-time data service sub-module receives the real-time data query request from the master station service module in the internet from the relay service module through the slave station sub-module, inquiring corresponding real-time remote variable data according to the real-time data inquiry request and a preset variable table, and transmits the real-time remote variable data to the transfer service module through the slave station sub-module, so that the relay service module can send the real-time remote variable data to the master station service module. It can be seen that, in the embodiment of the application, each field terminal device is converted into a cloud data service slave station through a slave station service module for storing and providing data, namely, the cloud data service slave station is used as a data slave station for storing and providing data, so that the data is converted into distributed storage through centralized storage, and only when a master station service module in the internet has a data query requirement, the data slave station can acquire corresponding remote data and send the remote data to the master station service module through a transfer service module in the internet, rather than uploading the data while collecting the data, so that a large amount of data traffic and operation resources can be saved, and the cost is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a flowchart of an internet-based remote data acquisition method according to an embodiment of the present disclosure;

fig. 2 is a schematic structural diagram of a slave station service module according to an embodiment of the present application;

FIG. 3 is a flow chart of another Internet-based remote data collection method provided by an embodiment of the present application;

FIG. 4 is a flow chart of another Internet-based remote data collection method provided by an embodiment of the present application;

fig. 5 is a schematic view of an interaction process of a remote data acquisition method based on the internet according to an embodiment of the present application;

fig. 6 is a schematic structural diagram of an internet-based remote data acquisition device according to an embodiment of the present application;

FIG. 7 is a schematic structural diagram of another Internet-based remote data acquisition device provided in an embodiment of the present application;

Fig. 8 is a schematic structural diagram of another internet-based remote data acquisition device according to an embodiment of the present application;

fig. 9 is a schematic structural diagram of an internet-based remote data acquisition system according to an embodiment of the present application.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all 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 application.

In order to facilitate understanding of the technical solutions provided in the present application, the following briefly describes the research background of the technical solutions in the present application.

In recent years, with the rapid development of economy and internet technology, the internet has been increasingly used as a way of collecting data.

At present, when data acquisition is performed based on the internet, a sensor is usually arranged on the site to acquire site data, and the site data is transmitted to a rear-end internet platform through a network while the data is acquired, so that the internet platform can realize comprehensive utilization of the data through analysis of the acquired data. However, in the current data communication collection mode based on the internet, the field terminal device generally uploads data to a data processing and analyzing platform (internet data server) while collecting data, and the platform analyzes and applies the data. The data communication acquisition mode is to centralize all data in the internet data server, which has extremely high requirements on the data processing capacity, concurrency capacity and storage capacity of the server, and causes high data acquisition cost.

Based on the method, the remote data acquisition method based on the Internet is provided, so that the remote data in the Internet can be effectively acquired, the data processing pressure and the acquisition cost of an Internet data server are reduced, and the data flow and the operation resources can be saved.

The method will be described in detail below with reference to the accompanying drawings.

Referring to fig. 1, which shows a flowchart of an internet-based remote data collection method provided in an embodiment of the present application, the method includes:

s101: and the slave station submodule generates data slave stations.

In the embodiment of the application, in order to reduce the data processing pressure and the acquisition cost of the internet data server, each field terminal device can be converted into the cloud data service slave station through the slave station service module to store and provide data, that is, the field terminal device is used as the data slave station to store and provide data.

Specifically, the present application is to generate a data slave station at each industrial site by using a slave station sub-module in a slave station service module, as shown in fig. 2, which shows a schematic structural diagram of a slave station service module provided in an embodiment of the present application, where the slave station service module is configured to access a field device to the internet through an internet access card, establish a slave station data transmission connection channel with an internet transfer service module by using a User Datagram Protocol (UDP), and perform data communication with the transfer service module through the connection channel.

S102: and the slave station sign-in sub-module connects the slave station sub-module to a transfer service module in the Internet.

In this embodiment, a slave station data transmission connection channel may be generated by a slave station check-in sub-module in the slave station service module to link the slave station sub-module to the internet transit service module, so that a communication connection between the slave station service module and the transit service module is established, so that the two may perform data communication through the connection.

Through this step S102, after the slave station submodule is connected to the relay service module in the internet, the step S103 may be continuously performed.

S103: the real-time data service sub-module receives a real-time data query request from a transfer service module in the internet through the slave station sub-module, queries corresponding real-time remote variable data according to a preset variable table according to the real-time data query request, and sends the real-time remote variable data to the transfer service module through the slave station sub-module, so that the transfer service module sends the real-time remote variable data to the master station service module.

In this embodiment, after the data slave station is generated in step S101 and the slave station sub-module is connected to the relay service module in the internet in step S102, the real-time data query request, which is sent to the relay service module by the master station service module in the internet, may be received from the relay service module by connecting the real-time data service sub-module in the slave station service module to the slave station sub-module and by communicating the slave station sub-module with the relay service module in the internet.

Then, the real-time data service sub-module may query, according to the real-time data query request, remote data corresponding to the current real-time to be queried and the corresponding variable in the real-time data query request from a preset variable table, where the preset variable table includes a corresponding relationship between time and variable, such as a corresponding relationship between time and equipment parameters of the electric-bag composite dust collector.

Then, the real-time data service sub-module can pack the queried real-time remote variable data into a data packet, and the data packet is returned to the relay service module through the communication connection between the slave station sub-module and the relay service module in the internet, so that the relay service module sends the data packet to the master station service module to respond to the real-time data query request sent by the master station service module.

In some possible implementation manners of the present application, the slave station service module further includes a historical data service sub-module, and then the present application further includes:

and the historical data service sub-module receives a historical data query request from the master station service module through the slave station sub-module, queries corresponding pre-stored historical remote variable data according to the historical data request, and transmits the historical remote variable data to the transfer service module through the slave station sub-module, so that the transfer service module transmits the historical remote variable data to the master station server module.

In this implementation manner, as shown in fig. 2, the slave station service module further includes a historical data service sub-module, and the historical data service sub-module is configured to file and store the remote variable data according to a preset time frequency and a corresponding relationship between time and variables in the variable table, for example, the historical data may be filed every 5 minutes according to the variable table, so as to provide the historical data for the master station service module in the internet at any time.

Based on this, after the data slave station is generated through step S101 and the slave station submodule is connected to the relay service module in the internet through step S102, the historical data service submodule may be connected to the slave station submodule and receive a historical data query request from the relay service module through the communication connection between the slave station submodule and the relay service module, where the historical data query request is sent to the relay service module by the master station service module in the internet.

Then, the historical data service sub-module can query historical remote variable data corresponding to the historical data query request to be queried from the traversal data stored in the historical data query request according to the historical data query request, then the historical data service sub-module can generate a data file from the queried historical remote variable data according to query time, and the data file is returned to the transfer service module through communication connection between the slave station sub-module and the transfer service module, so that the transfer service module can send the data file to the master station service module to respond to the real-time data query request sent by the master station service module.

In summary, the internet-based remote data acquisition method provided by the embodiment of the application is applied to the slave station service module, the slave station service module comprises a slave station submodule, a slave station sign-in submodule and a real-time data service submodule, wherein, firstly, the slave station submodule generates a data slave station, then, the slave station sign-in submodule connects the slave station submodule to a transfer service module in the internet, furthermore, when the real-time data service sub-module receives the real-time data query request from the master station service module in the internet from the relay service module through the slave station sub-module, inquiring corresponding real-time remote variable data according to the real-time data inquiry request and a preset variable table, and transmits the real-time remote variable data to the transfer service module through the slave station sub-module, so that the relay service module can send the real-time remote variable data to the master station service module. It can be seen that, in the embodiment, each field terminal device is converted into a cloud data service slave station through a slave station service module to store and provide data, that is, the cloud data service slave station is used as a data slave station to store and provide data, so that centralized storage of the data is converted into distributed storage, and only when a master station service module in the internet has a data query requirement, the data slave station can collect corresponding remote data and send the remote data to the master station service module through a transfer service module in the internet, instead of uploading the data while collecting the data, so that a large amount of data traffic and operating resources can be saved, and the cost is reduced.

The foregoing embodiment describes in detail a technical solution of the data acquisition method applied to the slave station service module in the present application, and accordingly, the present application further provides an internet-based remote data acquisition method applied to a transit service module in the internet, which is described below.

Referring to fig. 3, which shows a flowchart of another internet-based remote data collection method provided in an embodiment of the present application, the method includes:

s301: the transfer service sub-module generates a transfer service station.

In the embodiment of the application, in order to reduce the data processing pressure and the acquisition cost of the internet data server, each field terminal device can be converted into a cloud data service slave station through a slave station service module, and then a fixed IP and port number are provided through an internet transfer service module, so that data communication between the slave station service module and a master station service module in the internet is completed. Specifically, a fixed relay service station may be first generated in the internet server by using a relay service sub-module in the relay service module, so that the slave station service module and the master station service module may query and use the relay service station according to the IP and the port number, so as to complete the relay of data between the slave station service module and the master station service module.

S302: and after the slave station sign-in management submodule receives and updates the sign-in from the slave station service module, the transfer service station is connected to the slave station service module.

In this embodiment, when data communication with the slave station service module is required, the slave station check-in management sub-module in the relay service module may be connected to the relay service sub-module, receive and update the check-in request sent from the slave station service module, and complete check-in, so that a communication connection between the slave station service module and the relay service module may be established, for example, a data transmission connection channel established by using UDP may be established, so that the two may perform data communication through the connection.

S303: and after receiving and updating the sign-in from the master station service module in the Internet, the master station sign-in management sub-module connects the transfer service station to the master station service module.

In this embodiment, when data communication with a master station service module in the internet is required, the master station check-in management sub-module in the transit service module may be connected to the transit service sub-module, receive and update a check-in request sent by the master station service module, and complete the check-in, so that a communication connection between the master station service module and the transit service module may be established, for example, a data Transmission connection channel established by a Transmission Control Protocol (TCP) may be established, so that the two may perform data communication through the connection.

S304: and the master station-to-slave station sub-module receives the data query request from the master station service module through the transfer service station and then sends the data query request to the slave station service module.

In this embodiment, after the relay service station is connected to the master station service module in step S303, the master station-to-slave station sub-module in the relay service module may be used to receive a data query request (e.g., a data query command) sent from the master station service module through the relay service station, and then send the data query request to the slave station service module.

S305: and after receiving the data file from the slave station service module through the transfer service station, the slave station-to-master station submodule sends the data file to the master station service module.

In this embodiment, after the relay service station is connected to the slave station service module through step S302, and the data query request is sent to the slave station service module through step S304, the slave station in the relay service module may be further utilized to relay the master station sub-module, and receive a data file fed back from the slave station service module through the relay service station, where the data file refers to a response to the data query request (such as a data query instruction) sent by the master station service module in the internet, and may include implementation data, a pre-stored historical data file, and the like, and then send the data file to the master station service module, so as to implement data communication between the master station service module and the slave station service module.

Thus, in the remote data acquisition method based on the internet provided by the application, firstly, a transfer service station is generated by a transfer service submodule in a transfer service module in the internet, then, the check-in from a slave station service module can be received and updated by a slave station check-in management submodule, the transfer service station is connected to the slave station service module, the check-in from a master station service module in the internet can be received and updated by a master station check-in management submodule, the transfer service station is connected to a master station service module, furthermore, when the master station service module has a data query requirement, the data query request can be sent to the slave station service module after the data query request from the master station service module in the internet is received by the master station transfer station slave station submodule through the transfer service station, and further, after the data file from the slave station service module is received by the slave station transfer station slave station submodule through the transfer service station, the data file is sent to the master station service module, so that the data can be queried from the slave station service module through the transfer service module only when the master station service module has a data query requirement, the data are not required to be uploaded by the data slave station while the data are collected, a large amount of data flow and operation resources can be saved, and the cost is reduced.

The foregoing embodiment describes in detail a technical solution of the data acquisition method applied to the transit service module in the internet in the present application, and accordingly, the present application further provides an internet-based remote data acquisition method applied to the master station service module in the internet, which is introduced below.

Referring to fig. 4, which shows a flowchart of another internet-based remote data collection method provided in an embodiment of the present application, the method includes:

s401: the master station submodule generates a data master station.

In the embodiment of the application, in order to reduce data processing pressure and acquisition cost of an internet data server, a master station service module in the internet including a master station sub-module can be used for generating a master station basic frame as a data master station, and other sub-modules are derived, such as a master station check-in sub-module, a real-time data query sub-module and the like.

S402: and the master station sign-in submodule connects the master station submodule to a transfer service module in the Internet.

In this embodiment, a master station data transmission connection channel (for example, a virtual link established by using TCP) may be generated by the master station check-in sub-module in the master station service module, and the master station sub-module is linked to the internet transit service module, so that a communication connection between the master station service module and the transit service module in the internet is established, and the two modules can perform data communication through the connection.

Through the step S402, after the master station submodule is connected to the transit service module in the internet, the step S403 may be continuously performed.

S403: and the real-time data query sub-module sends a real-time data query request to the transfer service module through the master station sub-module, so that the transfer service module sends the real-time data query request to the slave station service module for real-time data query.

In this embodiment, after the data master station is generated in step S401 and the master station sub-module is connected to the relay service module in the internet in step S402, the real-time data query sub-module in the master station service module may be connected to the master station sub-module, and a real-time data query request (e.g., a real-time data query instruction) is sent to the relay service module through the communication connection between the master station sub-module and the relay service module, so that the relay service module sends the real-time data query request to the slave station service module for real-time data query.

Then, the real-time data query submodule can also receive real-time remote variable data returned by the transit service module, the real-time remote variable data refers to data, corresponding to current real-time to be queried and corresponding variables, in the real-time data query request, which are queried from a preset variable table according to the real-time data query request by the slave station service module, and is a response to the real-time data query request sent by the master station service module, wherein the preset variable table contains corresponding relations between time and variables, such as corresponding relations between time and equipment parameters of the electric bag composite dust collector.

In some possible implementation manners of the present application, the master station service module further includes a historical data query sub-module, and then the present application further includes:

and the historical data query sub-module sends the historical data query request to the transfer service module through the master station sub-module, so that the transfer service module sends the historical data query request to the slave station service module to query the historical data.

In this implementation manner, the master station service module further includes a historical data query submodule, where the historical data query is used to send a historical data query request (such as a historical data query instruction), and then when the data master station is generated in step S401 and the master station submodule is connected to the relay service module in step S402, the historical data query submodule may be connected to the master station submodule, and send the historical data query request to the relay service module through communication connection between the master station submodule and the relay service module, so that the relay service module sends the historical data query request to the slave station service module to perform historical data query.

Then, the historical data query submodule can also receive historical remote variable data returned by the transit service module, wherein the historical remote variable data refers to historical variable data which is required to be queried and is in historical data query requests queried from traversal data stored in the historical data query requests by the slave station service module according to the historical data query requests, and a data file is generated by the historical variable data according to query time.

To sum up, the internet-based remote data acquisition method provided by the embodiment of the application is applied to a master station service module in the internet, and the master station service module comprises a master station submodule, a master station sign-in submodule and a real-time data query submodule, wherein, firstly, the master station submodule generates a data master station, then, the master station sign-in submodule is used for connecting the master station submodule to a transfer service module in the internet, and then, the real-time data query submodule can transmit a real-time data query request to the transfer service module through the master station submodule so that the transfer service module can transmit the real-time data query request to a slave station service module for real-time data query. Therefore, the data can be inquired from the slave station service module through the transfer service module only when the master station service module has the data inquiry requirement, and the data is not required to be uploaded by the data slave station while the data slave station collects the data, so that a large amount of data flow and operation resources can be saved, and the cost is reduced.

For facilitating understanding of the internet-based remote data collection method provided by the present application, referring to fig. 5, an interaction process diagram of the internet-based remote data collection method provided by the embodiment of the present application is shown, and the interaction process diagram may include the following steps:

S501: and the master station service module in the internet sends the data query request to the transfer service module through the master station data transmission connecting channel.

S502: and a transfer service module in the internet sends a data query request to the specified slave station service module through a slave station data transmission connecting channel according to the specified slave station required by the master station.

S503: and the slave station service module acquires data according to the real-time data query request and queries corresponding real-time remote variable data according to a preset variable table.

S504: and the slave station service module packs the inquired real-time remote variable data into a data packet and returns the data packet to the transfer service module in the Internet.

S505: and the transit service module in the internet sends the data packet to the master station service module in the internet so as to respond to the real-time data query request sent by the master station service module.

In this way, firstly, the internet transit service module is used for providing a fixed IP and a fixed port number; then, the slave station service module accesses the field equipment into the internet through the Internet access card of the Internet of things, and establishes a slave station data transmission connection channel with the internet transfer service module by adopting UDP (user datagram protocol); and a master station service module applied to a client terminal in the internet is accessed to the internet through a broadband, and a master station data transmission connection channel is established with an internet transfer service module by adopting TCP (transmission control protocol), so that data equipment of each local industrial field can be transferred to a cloud data service slave station through the slave station service module, all data are stored in the field data equipment, and the master station service module at any position in the internet can acquire remote data of each local by passing through the transfer service module in the internet.

Based on the data acquisition method, the application also provides an internet-based remote data acquisition device, as shown in fig. 6, the device is applied to a slave station service module 600, and the slave station service module 600 comprises a slave station sub-module 601, a slave station check-in sub-module 602 and a real-time data service sub-module 603;

the slave station submodule 601 is used for generating a data slave station;

the slave station sign-in submodule 602 is used for connecting the slave station submodule to a transfer service module in the internet;

the real-time data service sub-module 603 is configured to, after receiving a real-time data query request from a master station service module in the internet from a relay service module in the internet through the slave station sub-module, query corresponding real-time remote variable data according to a preset variable table according to the real-time data query request, and send the real-time remote variable data to the relay service module through the slave station sub-module, so that the relay service module sends the real-time remote variable data to the master station service module.

Optionally, the slave service module 600 further includes a historical data service sub-module, and the apparatus further includes:

The historical data service submodule is used for inquiring corresponding pre-stored historical remote variable data according to the historical data request after the slave station submodule receives the historical data inquiry request from the transfer service module, and sending the historical remote variable data to the transfer service module through the slave station submodule, so that the transfer service module can send the historical remote variable data to the master station server module.

Therefore, the remote data acquisition device based on the internet, provided by the embodiment of the application, is applied to the slave station service module, the slave station service module comprises a slave station submodule, a slave station sign-in submodule and a real-time data service submodule, wherein, firstly, the slave station sub-module generates the data slave station, then, the slave station sign-in sub-module connects the slave station sub-module to the transfer service module in the internet, furthermore, when the real-time data service sub-module receives the real-time data query request from the master station service module in the internet from the relay service module through the slave station sub-module, inquiring corresponding real-time remote variable data according to the real-time data inquiry request and a preset variable table, and transmits the real-time remote variable data to the transfer service module through the slave station sub-module, so that the relay service module can send the real-time remote variable data to the master station service module. It can be seen that, in the embodiment, each field terminal device is converted into a cloud data service slave station through a slave station service module to store and provide data, that is, the cloud data service slave station is used as a data slave station to store and provide data, so that centralized storage of the data is converted into distributed storage, and only when a master station service module in the internet has a data query requirement, the data slave station can acquire corresponding remote data and transmit the remote data to the master station service module through a transfer service module in the internet, rather than uploading the data while collecting the data, so that a large amount of data traffic and operating resources can be saved, and the cost is reduced.

Based on the data acquisition method, the application also provides another remote data acquisition device based on the internet, and as shown in fig. 7, the device is applied to a transfer service module 700 in the internet; the transfer service module 700 comprises a transfer service submodule 701, a slave station sign-in management submodule 702, a master station sign-in management submodule 703, a master station-to-slave station submodule 704 and a slave station-to-master station submodule 705;

the transit service sub-module 701 is configured to generate a transit service station,

the slave station sign-in management submodule 702 is configured to receive and update a sign-in from a slave station service module, and then connect the transfer service station to the slave station service module;

the master station sign-in management submodule 703 is configured to receive and update a sign-in from a master station service module in the internet, and connect the transfer service station to the master station service module;

the master station-to-slave station sub-module 704 is configured to receive a data query request from the master station service module through the transfer service station, and then send the data query request to the slave station service module;

the slave station to master station sub-module 705 is configured to receive the data file from the slave station service module through the transfer service station, and then send the data file to the master station service module.

Thus, in the remote data acquisition device based on the internet provided by the application, firstly, a transfer service sub-module in a transfer service module in the internet generates a transfer service station, then, the transfer service station can be connected to a slave station service module after the sign-in from the slave station service module is received and updated by a slave station sign-in management sub-module, the transfer service station can be connected to a master station service module after the sign-in from a master station service module in the internet is received and updated by a master station sign-in management sub-module, furthermore, when the master station service module has a data query requirement, the data query request can be sent to the slave station service module after the data query request from the master station service module is received by the master station transfer sub-module through the transfer service station, and further, after the data file from the slave station service module is received by the slave station transfer sub-station sub-module through the transfer service station, the data file is sent to the master station service module, so that the data can be inquired from the slave station service module through the transfer service module in the internet only when the master station service module in the internet has a data inquiry requirement, the data do not need to be uploaded by the data slave station while the data are collected, a large amount of data flow and operation resources can be saved, and the cost is reduced.

Based on the data acquisition method, the application also provides another remote data acquisition device based on the internet, and as shown in fig. 8, the device is applied to a master station service module 800 in the internet; the master station service module 800 comprises a master station sub-module 801, a master station sign-in sub-module 802 and a real-time data query sub-module 803;

the master station sub-module 801 is configured to generate a master station;

the master station sign-in submodule 802 is used for connecting the master station submodule to a transit service module in the internet;

the real-time data query sub-module 803 is configured to send a real-time data query request to the relay service module through the master station sub-module, so that the relay service module sends the real-time data query request to the slave station service module to perform real-time data query.

Optionally, the master station service module 800 further includes a historical data query sub-module, and the apparatus further includes:

and the historical data query submodule is used for sending a historical data query request to the transfer service module through the master station submodule so that the transfer service module can send the historical data query request to the slave station service module to query the historical data.

Therefore, the remote data acquisition device based on the internet is applied to a master station service module in the internet, and the master station service module comprises a master station sub-module, a master station sign-in sub-module and a real-time data query sub-module, wherein firstly, the master station sub-module generates a data master station, then the master station sign-in sub-module is connected with the master station sub-module to a transfer service module in the internet, and further, the real-time data query sub-module can send a real-time data query request to the transfer service module through the master station sub-module, so that the transfer service module sends the real-time data query request to a slave station service module for real-time data query. Therefore, data can be inquired from the slave station service module through the transfer service module in the internet only when the master station service module in the internet has a data inquiry requirement, and the data is not required to be uploaded by the data slave station while the data slave station collects the data, so that a large amount of data flow and operation resources can be saved, and the cost is reduced.

Referring to fig. 9, the present application provides an internet-based remote data acquisition system, where the system 900 includes a slave station service module 600, a relay service module 700 in the internet, and a master station service module 800 in the internet, where the slave station service module 600 includes a slave station sub-module 601, a slave station check-in sub-module 602, and a real-time data service sub-module 603; the transfer service module 700 comprises a transfer service submodule 701, a slave station check-in management submodule 702, a master station check-in management submodule 703, a master station-to-slave station submodule 704 and a slave station-to-master station submodule 705; the master station service module 800 comprises a master station sub-module 801, a master station sign-in sub-module 802 and a real-time data query sub-module 803;

The slave station sub-module 600 is configured to generate a data slave station;

the slave station sign-in sub-module 601 is used for connecting the slave station sub-module to a transfer service module in the internet;

the real-time data service sub-module 602 is configured to, after receiving a real-time data query request from a master station service module in the internet from a relay service module in the internet through the slave station sub-module, query corresponding real-time remote variable data according to a preset variable table according to the real-time data query request, and send the real-time remote variable data to the relay service module through the slave station sub-module, so that the relay service module sends the real-time remote variable data to the master station service module;

the transit service sub-module 701 is configured to generate a transit service station;

the slave station sign-in management submodule 702 is configured to receive and update a sign-in from a slave station service module, and then connect the transfer service station to the slave station service module;

the master station sign-in management submodule 703 is configured to receive and update a sign-in from a master station service module in the internet, and connect the transfer service station to the master station service module;

The master station-to-slave station sub-module 704 is configured to receive a data query request from the master station service module through the transfer service station, and then send the query request to the slave station service module;

the slave station to master station sub-module 705 is configured to receive the data file from the slave station service module through the transfer service station, and then send the data file to the master station service module;

the master station submodule 801 is configured to generate a data master station;

the data master station 802 is used for connecting the master station submodule to a transfer service module in the internet;

the real-time data query sub-module 803 is configured to send a real-time data query request to the relay service module through the master station sub-module, so that the relay service module sends the real-time data query request to the slave station service module to perform real-time data query.

For the device embodiments, since they substantially correspond to the method embodiments, reference may be made to the partial description of the method embodiments for relevant points. The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the element.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (9)

1. A remote data acquisition method based on the Internet is characterized in that the method is applied to a slave station service module, and the slave station service module comprises a slave station submodule, a slave station sign-in submodule and a real-time data service submodule; the method comprises the following steps:

the slave station submodule generates a data slave station;

the slave station sign-in sub-module connects the slave station sub-module to a transfer service module in the Internet;

the real-time data service sub-module receives a real-time data query request from a master station service module in the internet from a transfer service module in the internet through the slave station sub-module, queries corresponding real-time remote variable data according to a preset variable table according to the real-time data query request, and sends the real-time remote variable data to the transfer service module through the slave station sub-module so that the transfer service module can send the real-time remote variable data to the master station service module; the preset variable table comprises a corresponding relation between time and variables;

the transfer service module comprises a transfer service submodule, a slave station sign-in management submodule, a master station-to-slave station submodule and a slave station-to-master station submodule; the slave station sign-in management sub-module receives and updates the sign-in from the slave station service module, and then the slave station sign-in management sub-module connects the transfer service station to the slave station service module; the master station sign-in management submodule receives and updates sign-in from a master station service module in the internet and then connects the transfer service station to the master station service module; the master station-to-slave station sub-module receives a data query request from the master station service module through the transfer service station and then sends the data query request to the slave station service module; and the slave station-to-master station sub-module receives the data file from the slave station service module through the transfer service station and then sends the data file to the master station service module.

2. The method of claim 1, wherein the slave station service module further comprises a historical data service sub-module; the method further comprises the following steps:

and after receiving a historical data query request from the transfer service module through the slave station submodule, the historical data service submodule queries corresponding pre-stored historical remote variable data according to the historical data request and sends the historical remote variable data to the transfer service module through the slave station submodule, so that the transfer service module sends the historical remote variable data to the master station server module.

3. A remote data acquisition method based on the Internet is characterized in that the method is applied to a master station service module in the Internet, wherein the master station service module comprises a master station submodule, a master station sign-in submodule and a real-time data query submodule;

the master station submodule generates a data master station;

the master station sign-in sub-module connects the master station sub-module to a transfer service module in the Internet;

the real-time data query sub-module sends a real-time data query request to the transfer service module through the master station sub-module so that the transfer service module can send the real-time data query request to the slave station service module to perform real-time data query;

The real-time data query submodule receives real-time remote variable data returned by the transfer service module; the slave station service module inquires corresponding real-time remote variable data according to the real-time data inquiry request and a preset variable table and sends the real-time remote variable data to the transfer service module; the preset variable table comprises a corresponding relation between time and variables;

the transfer service module comprises a transfer service submodule, a slave station sign-in management submodule, a master station-to-slave station submodule and a slave station-to-master station submodule; the slave station sign-in management sub-module receives and updates the sign-in from the slave station service module, and then the slave station sign-in management sub-module connects the transfer service station to the slave station service module; the master station sign-in management submodule receives and updates sign-in from a master station service module in the internet and then connects the transfer service station to the master station service module; the master station-to-slave station sub-module receives a data query request from the master station service module through the transfer service station and then sends the data query request to the slave station service module; and the slave station-to-master station sub-module receives the data file from the slave station service module through the transfer service station and then sends the data file to the master station service module.

4. The method of claim 3, wherein the master station service module further comprises a historical data query sub-module; the method further comprises the following steps:

and the historical data query submodule sends a historical data query request to the transfer service module through the master station submodule, so that the transfer service module sends the historical data query request to the slave station service module to query the historical data.

5. The remote data acquisition device based on the Internet is characterized in that the device is applied to a slave station service module, and the slave station service module comprises a slave station submodule, a slave station sign-in submodule and a real-time data service submodule; the device comprises:

the slave station submodule is used for generating a data slave station;

the slave station sign-in submodule is used for connecting the slave station submodule to a transfer service module in the Internet;

the real-time data service sub-module is used for inquiring corresponding real-time remote variable data according to a preset variable table and the real-time remote variable data are sent to the transfer service module through the slave sub-module after receiving a real-time data inquiry request from a transfer service module in the internet through the slave sub-module, so that the transfer service module can send the real-time remote variable data to the master service module; the preset variable table comprises a corresponding relation between time and variables;

The transfer service module comprises a transfer service submodule, a slave station sign-in management submodule, a master station-to-slave station submodule and a slave station-to-master station submodule; the slave station sign-in management submodule is used for receiving and updating the sign-in from the slave station service module and then connecting the transfer service station to the slave station service module; the master station sign-in management submodule is used for receiving and updating sign-in from a master station service module in the internet and then connecting the transfer service station to the master station service module; the master station-to-slave station sub-module is used for receiving a data query request from the master station service module through the transfer service station and then sending the data query request to the slave station service module; and the slave station to master station sub-module is used for receiving the data file from the slave station service module through the transfer service station and then sending the data file to the master station service module.

6. The apparatus of claim 5, wherein the slave station service module further comprises a historical data service sub-module; the device further comprises:

The historical data service submodule is used for inquiring corresponding pre-stored historical remote variable data according to the historical data request after the slave station submodule receives the historical data inquiry request from the transfer service module, and sending the historical remote variable data to the transfer service module through the slave station submodule, so that the transfer service module can send the historical remote variable data to the master station server module.

7. A remote data acquisition device based on the Internet is characterized in that the device is applied to a master station service module in the Internet, wherein the master station service module comprises a master station submodule, a master station sign-in submodule and a real-time data query submodule;

the master station submodule is used for generating a data master station;

the master station sign-in submodule is used for connecting the master station submodule to a transfer service module in the Internet;

the real-time data query submodule is used for sending a real-time data query request to the transfer service module through the master station submodule so that the transfer service module can send the real-time data query request to the slave station service module to perform real-time data query;

The real-time data query submodule is also used for receiving real-time remote variable data returned by the transit service module; the slave station service module inquires corresponding real-time remote variable data according to the real-time data inquiry request and a preset variable table and sends the real-time remote variable data to the transfer service module; the preset variable table comprises a corresponding relation between time and variables;

the transfer service module comprises a transfer service submodule, a slave station sign-in management submodule, a master station-to-slave station submodule and a slave station-to-master station submodule; the slave station sign-in management sub-module receives and updates the sign-in from the slave station service module, and then the slave station sign-in management sub-module connects the transfer service station to the slave station service module; the master station sign-in management submodule receives and updates sign-in from a master station service module in the internet and then connects the transfer service station to the master station service module; the master station-to-slave station sub-module receives a data query request from the master station service module through the transfer service station and then sends the data query request to the slave station service module; and the slave station-to-master station sub-module receives the data file from the slave station service module through the transfer service station and then sends the data file to the master station service module.

8. The apparatus of claim 7, wherein the master station service module further comprises a historical data query sub-module; the device further comprises:

and the historical data query submodule is used for sending a historical data query request to the transfer service module through the master station submodule so that the transfer service module can send the historical data query request to the slave station service module to query the historical data.

9. A remote data acquisition system based on the Internet is characterized by comprising a slave station service module, a transfer service module in the Internet and a master station service module in the Internet, wherein the slave station service module comprises a slave station submodule, a slave station check-in submodule and a real-time data service submodule; the transfer service module comprises a transfer service submodule, a slave station sign-in management submodule, a master station-to-slave station submodule and a slave station-to-master station submodule; the master station service module comprises a master station sub-module, a master station sign-in sub-module and a real-time data query sub-module;

the slave station submodule is used for generating a data slave station;

the slave station sign-in submodule is used for connecting the slave station submodule to a transfer service module in the Internet;

The real-time data service sub-module is used for inquiring corresponding real-time remote variable data according to a preset variable table and the real-time remote variable data are sent to the transfer service module through the slave sub-module after receiving a real-time data inquiry request from a transfer service module in the internet through the slave sub-module, so that the transfer service module can send the real-time remote variable data to the master service module; the preset variable table comprises a corresponding relation between time and variables;

the transfer service submodule is used for generating a transfer service station;

the slave station sign-in management submodule is used for receiving and updating sign-in from the slave station service module and then connecting the transfer service station to the slave station service module;

the master station sign-in management submodule is used for connecting the transfer service station to the master station service module after receiving and updating sign-in from the master station service module in the internet;

the master station-to-slave station sub-module is used for receiving a data query request from the master station service module through the transfer service station and then sending the query request to the slave station service module;

The slave station-to-master station submodule is used for receiving the data file from the slave station service module through the transfer service station and then sending the data file to the master station service module;

the master station submodule is used for generating a data master station;

the data master station is used for connecting the master station sub-module to a transfer service module in the Internet;

the real-time data query submodule is used for sending a real-time data query request to the transfer service module through the master station submodule so that the transfer service module can send the real-time data query request to the slave station service module to perform real-time data query;

the real-time data query submodule is also used for receiving real-time remote variable data returned by the transit service module; the slave station service module inquires corresponding real-time remote variable data according to the real-time data inquiry request and a preset variable table and sends the real-time remote variable data to the transfer service module; the preset variable table comprises a corresponding relation between time and variables;

the transfer service module comprises a transfer service submodule, a slave station sign-in management submodule, a master station-to-slave station submodule and a slave station-to-master station submodule; the slave station sign-in management sub-module receives and updates the sign-in from the slave station service module, and then the slave station sign-in management sub-module connects the transfer service station to the slave station service module; the master station sign-in management submodule receives and updates sign-in from a master station service module in the internet and then connects the transfer service station to the master station service module; the master station-to-slave station sub-module receives a data query request from the master station service module through the transfer service station and then sends the data query request to the slave station service module; and the slave station-to-master station sub-module receives the data file from the slave station service module through the transfer service station and then sends the data file to the master station service module.

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