CN218772310U - Network control system for field device - Google Patents
Network control system for field device Download PDFInfo
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- CN218772310U CN218772310U CN202320023932.2U CN202320023932U CN218772310U CN 218772310 U CN218772310 U CN 218772310U CN 202320023932 U CN202320023932 U CN 202320023932U CN 218772310 U CN218772310 U CN 218772310U
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Abstract
The application discloses a network control system for field equipment, which comprises a field control subsystem and a network control end in communication connection with the field control subsystem; the field control subsystem comprises field equipment, a data server and a communication module, wherein the field equipment is in communication connection with the data server, the data server is in communication connection with the communication module, and the communication module is in communication connection with the network control end; the communication module is a first communication module and/or a second communication module, the network control end is a remote control end and/or a local control center, the first communication module is in communication connection with the remote control end through the Internet, and the second communication module is in communication connection with the local control center through a local area network. The remote access control system and the remote access control method aim at providing remote access control of the field device at the Internet level and the local area network level, can achieve extensible one-stop remote control, and provide remote control functions while data safety and reliability of monitoring control of the field device are considered.
Description
Technical Field
The application relates to the technical field of industrial equipment network control, in particular to a network control system for field equipment.
Background
At present, in industrial production, the intelligent control technology of the field device based on the network is mainly based on the internet and the local area network, generally based on the internet to perform the field device monitoring control, or based on the local area network to perform the field device monitoring control, which have their advantages, but also have the following problems:
firstly, the two alternative network control modes cannot realize remote control of different levels, and are not beneficial to safe production and real-time accurate parameter adjustment. Secondly, when there are a plurality of field devices or groups of field devices, it means that these devices depend on an independent central data server, and the reliability and safety of the architecture are not good, for example, when a certain field device or group of field devices fails, the monitoring control information of other field devices is easily affected, and the system is unstable. Finally, when the number of field devices is large, network expansion among the field devices cannot be realized, and one-stop remote control cannot be realized.
SUMMERY OF THE UTILITY MODEL
The embodiment of the application provides a network control system for field devices, and aims to solve the problems that the existing field device network control system cannot well realize remote control of different levels, is poor in reliability and safety, and cannot well realize one-stop remote control.
The embodiment of the application also provides a network control system for the field device, which comprises a field control subsystem and a network control end in communication connection with the field control subsystem;
the field control subsystem comprises field equipment, a data server and a communication module, wherein the field equipment is in communication connection with the data server, and the data server is in communication connection with the communication module;
the data server comprises a data memory and an identification program memory which are connected with each other; the field device collected data output interface is connected with a data memory; the field device program input interface is connected with the identification program memory;
the communication module is connected with the data memory and the identification program memory through a data bus; the communication module comprises a first communication module and a second communication module, the network control end comprises a remote control end and a local control center, the first communication module is in communication connection with the remote control end through the Internet, and the second communication module is in communication connection with the local control center through a local area network.
Further, the field control subsystems are one or more groups.
Furthermore, when the field control subsystems are in multiple groups, the second communication modules of the multiple groups of field control subsystems are in communication connection with the local control center; or the first communication modules of the plurality of groups of field control subsystems are in communication connection with a remote control end; or the second communication modules of the multiple groups of field control subsystems are all in communication connection with a local control center, and the first communication modules of the multiple groups of field control subsystems are all in communication connection with a remote control end.
Furthermore, the first communication module is in communication connection with the remote control end through the internet, and the second communication module is in communication connection with the local control center through the local area network.
Further, the local control center is a computer or a mobile phone.
Further, the remote control terminal is a cloud server, a computer or a mobile phone.
Further, the first communication module is a router or a router with a switching function, and the second communication module is a switch.
Furthermore, the first communication module is in communication connection with the remote control end through the internet with a firewall.
Furthermore, the field device is in communication connection with the data server through an Ethernet interface or a serial port.
Further, the field device is ore sorting equipment, the field device includes the host system and with data acquisition module, data storage module, data communication module, the execution module that the host system electricity is connected, data communication module and data server communication connection.
Furthermore, the main control module is a PLC controller, a single chip microcomputer or an ARM processor.
The embodiment of the application adopts at least one technical scheme which can achieve the following beneficial effects:
the remote access control system and the remote access control method can provide remote access control of the Internet level and the local area network level aiming at field devices, and can well realize extensible one-stop remote control. The field device is controlled in real time through various mobile terminals, remote access control in different distances and different communication modes can be achieved, safety production and accurate control requirements can be met, and the field device is enabled to keep the best working state. The data of the field device can be effectively protected, and the data safety, reliability and stability of monitoring and controlling of the field device are considered while the remote control function is provided.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a diagram of a field device of the present application communicating with a remote control via the internet.
Fig. 2 is a diagram illustrating a communication architecture between a field device and a remote control via a lan.
Fig. 3 is a diagram of the field device of the present application communicating with a remote control via a lan, the internet, respectively.
Fig. 4 is a communication architecture diagram of the embodiment of the mine sorting apparatus according to the present application.
Fig. 5 is a communication architecture diagram of the present application for network communication expansion when the field control subsystems are multiple groups.
Fig. 6 is a specific architecture diagram of a data server and its peripheral modules according to the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail and completely with reference to the following specific embodiments of the present application and the accompanying drawings. It should be apparent that the described embodiments are only some of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The technical solutions provided by the embodiments of the present application are described in detail below with reference to the accompanying drawings.
Example 1
As shown in fig. 1, 2 and 3, a network control system for field devices includes a field control subsystem and a network control end communicatively connected to the field control subsystem;
the field control subsystem comprises a field device 101, a data server 102 and a communication module, wherein the field device 101 is in communication connection with the data server 102, and the data server 102 is in communication connection with the communication module;
the data server 102 includes a data storage (i.e., a hardware module corresponding to the Xmonitor, the file system, and the database in fig. 6), and the field device 101 includes an identification program storage (i.e., a hardware module corresponding to the identification module in fig. 6); alternatively, the identification program memory may be provided in the data server 102. The field device 101 collected data output interface is connected with a data memory; the field device 101 program input interface is connected with the identification program memory; a data storage for storing data collected by each module of the field device 101; an identification program memory for storing a field device identification program, such as an ore appearance identification program of mining equipment, and further identifying data collected by each module of the field device 101; the hardware module corresponding to "web service" in fig. 6 is the following first communication module 103.
The communication module is connected with the data memory and the identification program memory through a data bus; the communication module comprises a first communication module 103 and a second communication module 104, the network control end comprises a remote control end 106 and a local control center 105, the first communication module 103 is in communication connection with the remote control end 106 through the internet, and the second communication module 104 is in communication connection with the local control center 105 through the local area network. As shown in fig. 1, in the case that the communication module is only the first communication module 103, and the network control end is the remote control end 106, this situation is realized by that the field device communicates with the remote control end through the internet; as shown in fig. 2, in the case that the communication module is only the second communication module 104 and the network control end is the local control center 105, this situation is realized by the field device communicating with the remote control end through the local area network; fig. 3 shows that the communication module includes a first communication module 103 and a second communication module 104, and the network controller includes a local control center 105 of a remote controller 106, which implements communication between the field devices and the remote controller via a local area network and the internet.
The field control subsystems are each configured with a data server 102, which may be any service device capable of providing data storage and processing. The data server 102 is connected to the field device 101 through an ethernet interface or a serial port, and is located in the same local area network, so as to acquire, store and integrate data information of each parameter acquisition/control module of the field device. Because each field device 101 comprises an independent data server 102, the safety of the field devices 101 is better guaranteed, and even if the data of one device fails, the data information of other devices is not affected.
In this embodiment, the field control subsystems are one or more groups. As shown in fig. 1, 2 and 3, the field control subsystems are grouped. As shown in fig. 5, when the field control subsystems are multiple groups, the second communication modules 104 of the multiple groups of field control subsystems are all in communication connection with the local control center 105; or the first communication modules 103 of the multiple groups of field control subsystems are all in communication connection with the remote control end 106; or the second communication modules 104 of the multiple groups of field control subsystems are all in communication connection with the local control center 105, and the first communication modules 103 of the multiple groups of field control subsystems are all in communication connection with the remote control end 106. Therefore, communication extension of the field device is realized, and local one-stop remote control and/or internet one-stop remote control are realized.
In this embodiment, the local control center 105 is a computer or a mobile phone, the remote control end 106 is a cloud server, a computer or a mobile phone, the first communication module 103 is a router or a router with an exchange function, and the second communication module 104 is a switch. Wherein:
remote control of the field devices at the internet level can be achieved by the first communication module 103. Data information in the central data server 102 is transmitted through the first communication module 103, is connected to the internet through a firewall, and is further connected to the cloud server, or a remote control end computer, or a remote control end mobile phone, so that the sorting device can upload data to the cloud server, a user can remotely access the field device through the internet, parameter information of each parameter acquisition/control module in the field device is acquired, the parameter information is updated, and remote control is realized.
Remote control of the field devices at the lan level can be achieved by means of the second communication module 104. The local centralized control center 105 is a control center near the field devices, and may be a computer or a mobile phone with control function. The local centralized control center 105 may be located, for example, in a room or office that is not remote from the field devices. When the field device is in a working state, it is safer and more recommended that the worker is located at a place which is kept at a certain distance from the field device; however, the working personnel still need to perform some control operations on the field devices in the working state when necessary, and the local centralized control center can be arranged to better ensure the production safety. The staff carries out control operation and information to equipment through remote mode and looks over, and the time cost on the reducible stroke helps promoting work efficiency, reduces the time cost, and production management's decision-making is optimized. The local centralized control center 105 and the data server 102, as well as the parameter acquisition/control modules of the field devices 101, are located in the same local area network through the second communication module 104.
Through the second communication module 104, the data in the field device 101 is transmitted to the local centralized control center 105, the local centralized control center 105 includes a computer or a mobile phone for implementing remote control, the worker can obtain the data information from the field device through the computer or the mobile phone of the local centralized control center 105, and can also send a control instruction through the computer or the mobile phone of the local centralized control center 105, and the sent control instruction is transmitted to each parameter acquisition/control module of the field device 101 through the second communication module 104, thereby implementing the remote control of the lan level of each parameter acquisition/control module.
When the first communication module 103 and the second communication module 104 are arranged at the same time, remote control at different levels can be realized, and safe production and real-time accurate parameter adjustment are facilitated.
In this embodiment, the field device includes a main control module, and a data acquisition module, a data storage module, a data communication module, and an execution module electrically connected to the main control module, where the data communication module is in communication connection with the data server. The main control module is a PLC controller, a single chip microcomputer or an ARM processor.
Example 2
In the present embodiment, a sorting device in a mine is taken as a specific example of the field device of the above embodiment 1, and as shown in fig. 4, the sorting device includes the following modules:
(1) The main control module 1012 is a main control part of the sorting equipment, and is used for controlling the actions of the sorting equipment, including but not limited to starting, stopping, self-checking, emergency stopping, and on-off control of an X-ray machine, and also acquiring running state information of the equipment, including but not limited to beam-out state of the X-ray machine, pressure loss of an air compressor, a microswitch, and working state of a water inlet valve, and the main control module can be a PLC (programmable logic controller), or other components capable of realizing similar functions; the main control module is connected with the data server 102 through an ethernet interface or a serial port.
(2) The identification module 1011 has the core functions of identifying the materials to be sorted, setting appropriate identification parameters by loading an identification model, collecting incoming material information in real time, classifying and judging the materials to be sorted, and calculating corresponding production information, wherein the identification module can control the start and stop of equipment (such as the opening and closing of an X-ray machine), record the original spectral information of the materials to be sorted and the like, can be an industrial personal computer (or a plurality of industrial personal computers) connected with the X-ray machine (or a color sorting camera), and can be one or more than one industrial personal computers; the identification module is connected with the central data server through an Ethernet interface or a serial port, and uploads the original spectral data and the operation information of the object, which are acquired when the identification system operates, to the data server 102 through a file uploading service.
(3) The separation execution module 1013 performs a separation operation on the object determined by the identification module, performs separation control on the material to be separated according to a formulated separation strategy, and can collect state information (including but not limited to a speed abnormal state, a pressure abnormal state, an encoder warning, a belt speed, an air flow rate) of relevant equipment components of the separation execution mechanism and the like; the separation execution module is connected with the data server 102 through an ethernet interface or a serial port.
(4) The environment acquisition module 1014 has the core function of acquiring production environment information of the sorting equipment, including but not limited to an inner fan operation state, an outer fan operation state, a refrigeration operation state, a heating operation state, a refrigeration starting temperature, a heating starting temperature and the like; the environment acquisition module is connected with the data server 102 through an Ethernet interface or a serial port.
(5) A monitoring camera module 1015, the core function of which is to monitor the start and stop order of the system in real time through a monitoring camera and store the camera data; the monitoring camera module is connected with the data server 102 through an ethernet interface or a serial port.
The modules are basic modules for realizing parameter acquisition/control contained in the sorting equipment, and the modules are respectively connected to a central data server through Ethernet interfaces or serial ports and are positioned in the same local area network.
After the connection relationship between the basic module for collecting/controlling the parameters of the sorting device and the data server 102 is described above with reference to the example, since the specific content has been described in embodiment 1 (the sorting device in this embodiment is a lower concept of the field device in embodiment 1), details are not repeated here. Of course, the field device network control system of the present application may also be applied to other industrial production industries or scenarios.
In conclusion, the remote access control method and the remote access control device for the field device provide remote access control of the internet level and the local area network level at the same time, and can well achieve extensible one-stop remote control. The field device is controlled in real time through various mobile terminals, remote access control in different distances and different communication modes can be achieved, safety production and accurate control requirements can be met, and the field device is enabled to keep the best working state. The data of the field device can be effectively protected, and the data safety, reliability and stability of monitoring and controlling of the field device are considered while the remote control function is provided.
It should also be noted that 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 phrases "comprising a," "8230," "8230," or "comprising," does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (10)
1. The network control system for the field device is characterized by comprising a field control subsystem and a network control end in communication connection with the field control subsystem;
the field control subsystem comprises field equipment, a data server and a communication module, wherein the field equipment is in communication connection with the data server, and the data server is in communication connection with the communication module;
the data server comprises a data memory and an identification program memory which are connected with each other; the field device collected data output interface is connected with a data memory; the field device program input interface is connected with the identification program memory;
the communication module is connected with the data memory and the identification program memory through a data bus; the communication module comprises a first communication module and a second communication module, the network control end comprises a remote control end and a local control center, the first communication module is in communication connection with the remote control end through the Internet, and the second communication module is in communication connection with the local control center through a local area network.
2. The network control system for the field devices of claim 1, wherein the field control subsystems are one or more groups.
3. The network control system for the field devices according to claim 2, wherein when the field control subsystems are multiple groups, the second communication modules of the multiple groups of field control subsystems are all in communication connection with the local control center; or the first communication modules of the plurality of groups of field control subsystems are in communication connection with a remote control end; or the second communication modules of the multiple groups of field control subsystems are all in communication connection with a local control center, and the first communication modules of the multiple groups of field control subsystems are all in communication connection with a remote control end.
4. The system of any one of claims 1-3, wherein the local control center is a computer or a mobile phone.
5. The network control system for the field devices according to any one of claims 1 to 3, wherein the remote control end is a cloud server, a computer or a mobile phone.
6. The network control system for the field devices according to claim 1, wherein the first communication module is a router or a router with a switching function, and the second communication module is a switch.
7. The network control system for the field devices as claimed in claim 1, wherein the first communication module is communicatively connected to the remote control via the internet with a firewall.
8. The network control system for the field devices according to claim 1, wherein the field devices are communicatively connected with the data server through an ethernet interface or a serial port.
9. The network control system for the field device according to claim 1, wherein the field device is an ore sorting device, the field device includes a main control module, and a data acquisition module, a data storage module, a data communication module and an execution module electrically connected to the main control module, and the data communication module is communicatively connected to a data server.
10. The network control system for the field devices of claim 9, wherein the master control module is a PLC controller, a single chip or an ARM processor.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202320023932.2U CN218772310U (en) | 2023-01-05 | 2023-01-05 | Network control system for field device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202320023932.2U CN218772310U (en) | 2023-01-05 | 2023-01-05 | Network control system for field device |
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| CN218772310U true CN218772310U (en) | 2023-03-28 |
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| CN202320023932.2U Active CN218772310U (en) | 2023-01-05 | 2023-01-05 | Network control system for field device |
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