CN212435731U - Industrial data remote transmission system - Google Patents
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- CN212435731U CN212435731U CN202020944320.3U CN202020944320U CN212435731U CN 212435731 U CN212435731 U CN 212435731U CN 202020944320 U CN202020944320 U CN 202020944320U CN 212435731 U CN212435731 U CN 212435731U
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Abstract
The utility model belongs to equipment data remote transmission field discloses an industrial data remote transmission system. The system comprises a data acquisition and collection unit, a safety isolation unit, a transmission unit and a data center which are connected in sequence; the data acquisition and summarization unit is used for acquiring, monitoring and summarizing various data sources of an industrial field and sending the data sources to the data center through the transmission unit; the safety isolation unit is used for preventing the industrial data from being in direct contact with the Internet before transmission; the transmission unit is used for transmitting various industrial data to the data center through the Internet or a digital circuit; the data center is used for receiving various industrial data, displaying and storing the industrial data. The data is summarized, transferred and transmitted comprehensively, and reliable and safe data transmission is realized by combining actual field conditions and network safety.
Description
Technical Field
The utility model belongs to equipment data remote transmission field, concretely relates to industry data remote transmission system.
Background
With the continuous adjustment of energy structures in China, the urbanization rate is continuously improved, and the potential market of distributed energy is wide. The energy comprehensive service is in line with the development of the distributed energy market, and the energy comprehensive service industry is developing and is strong based on modern information, communication technology and digital technology, professional boundary breaking, and cross-professional and cross-field fusion. A plurality of enterprises ascend a distributed energy market, provide distributed energy supply and comprehensive energy service for customers, and implement centralized operation management on energy projects. All data of a project site, including unit process, operation, energy metering and the like, are returned to the operation center, so that the site information is controlled and deeply analyzed in real time so as to provide effective data support for operation decision. The project is generated all over the world, and is near to the operation center, or even far to the places with hard conditions and rare people. Due to factors such as field conditions, transmission technology, network safety and the like, the safe, stable and reliable transmission of field data back to an operation center becomes a crucial link for realizing centralized operation; and also deeply influences the information security and benefit of enterprises.
Aiming at the distance, a plurality of data transmission communication modes between the devices are realized. The Ethernet is generally used within a hundred meters, and the communication between the devices can be realized through the network cable; according to different interfaces and the like, RS485 communication lines can be adopted to communicate the equipment. RS485 communication lines are also generally adopted among devices within kilometers, and data reading and transmission among the devices can be realized when communication protocols are consistent; further away, optical fibers are generally used. However, the cost of the optical fiber is expensive, and if the cost is several kilometers or more, the optical fiber is not practical to pull. Along with the mature development of technologies such as the internet, the internet of things and the like, data transmission can adopt a wireless mode, including 2.4G wireless data transmission, 433M wireless data transmission, wifi, zigbee and the like. These methods are limited in distance and are affected by the environment, and long-distance transmission cannot be achieved. 4G is not limited by distance in a wireless transmission mode and has large transmission data volume; however, 4G is limited by wireless infrastructure coverage and can be better applied in combination with actual network conditions in the field. In addition, remote data transmission can also be realized through the VPN technology, but the network security is critical, and the security of field devices, particularly control systems, and the outside is fully considered, otherwise the system is seriously influenced.
Disclosure of Invention
An object of the utility model is to provide an industrial data remote transmission system for meet the problem that the cost is high, the security is not enough when solving the industrial data remote transmission among the prior art.
In order to realize the task, the utility model discloses a following technical scheme:
a remote transmission system based on industrial data comprises a data acquisition and summary unit, a safety isolation unit, a transmission unit and a data center which are connected in sequence;
the data acquisition and summarization unit is used for acquiring, monitoring and summarizing various data sources of an industrial field and sending the data sources to the data center through the transmission unit;
the safety isolation unit is used for preventing the industrial data from being in direct contact with the Internet before transmission;
the transmission unit is used for transmitting various industrial data to the data center through the Internet or a digital circuit;
the data center is used for receiving various industrial data, displaying and storing the industrial data.
Furthermore, the data acquisition and summary unit comprises a data acquisition system and an interface machine, the safety isolation unit comprises an isolation gateway, the transmission unit comprises a first VPN gateway and/or a digital circuit transmission line, and the data center comprises a central server, a switch, a second VPN gateway and a second photoelectric converter;
the output end of the data acquisition system is connected with the interface machine, the output end of the interface machine is provided with an isolation gateway, the first VPN gateway and the second VPN gateway are communicated with each other, the input end of the digital circuit transmission line is connected with the first photoelectric converter, the output end of the digital circuit transmission line is connected with the second photoelectric converter, the output ends of the second VPN gateway and the second photoelectric converter are respectively connected with the switch, and the output end of the switch is connected with the central server.
Furthermore, the data acquisition system comprises a DCS control system, an electrical comprehensive background system, a PLC control system and an SCADA system.
Furthermore, the DCS control system and the electrical comprehensive background system are both provided with communication interfaces and have consistent communication protocols.
Further, the plurality of data sources includes field device parameters, process parameters, energy data, meter data, and electrical data.
Compared with the prior art, the utility model has the following technical characteristics:
(1) the utility model discloses a take the totaling, unloading, the transmission of data into account comprehensively, combine on-the-spot actual condition and network security, realize reliable, the safe transmission of data.
(2) The utility model discloses an enterprise realizes concentrating the operation, masters on-the-spot real-time information, provides reliable guarantee for data analysis and operation decision-making, has avoided management difficulty and economic loss that wireless network instability, network attack etc. caused for the enterprise.
Drawings
FIG. 1 is a system connection diagram of embodiment 1;
FIG. 2 is a system connection diagram according to embodiment 2;
fig. 3 is a system connection diagram of embodiment 3.
Detailed Description
First, the terms mentioned in the present application are explained:
a DCS control system: the distributed control system is called DCS for short, and is a new generation of instrument control system based on a microprocessor and adopting a design principle of decentralized control function, centralized display operation and consideration of division, autonomy and comprehensive coordination. The system mainly comprises a CPU, an IO module and the like. The method is used as a data acquisition system in the scheme.
A PLC control system: the PLC control system is a novel industrial control device of a generation formed by introducing a microelectronic technology, a computer technology, an automatic control technology and a communication technology on the basis of a traditional sequence controller. The system mainly comprises a CPU, an IO module and the like. The method is used as a data acquisition system in the scheme.
And (3) an SCADA system: i.e., a data acquisition and supervisory control system, is used in this scenario as a data acquisition system.
Electric comprehensive background system: the centralized management and scheduling, the real-time monitoring and the data acquisition of the power supply system are realized.
The following embodiments of the present invention are given, and it should be noted that the present invention is not limited to the following embodiments, and all the equivalent transformations made on the basis of the technical solution of the present application all fall into the protection scope of the present invention.
The embodiment discloses an industrial data-based remote transmission system, which comprises a data acquisition and summarization unit, a safety isolation unit, a transmission unit and a data center;
the data acquisition and summarization unit is used for acquiring various data sources of an industrial field, collecting various industrial data and sending the industrial data to the data center through the transmission unit;
the safety isolation unit is used for preventing the industrial data from directly contacting the Internet before transmission, forming safety isolation between the industrial control network and the Internet and simultaneously ensuring the safety transmission of the data;
the transmission unit is used for transmitting various industrial data to the data center through the Internet or a digital circuit;
the data center is used for receiving various industrial data and displaying and analyzing the industrial data.
Specifically, the data acquisition and summary unit includes multiple schemes, which can be replaced with each other or combined, wherein two schemes are as follows:
DCS + electric system
The front end of the data summarization system comprises a DCS control system and an electrical comprehensive background system which are independent systems. The former is responsible for the acquisition of field equipment, process parameters and energy data and the monitoring of equipment; the latter is responsible for data acquisition and equipment monitoring of the electrical system, and each system data is transmitted back to the operation center. In order to reduce external data interfaces, communication modules of a control system and an electrical system are respectively added to enable the two systems to have communication interfaces, the two systems are connected through network cables, the consistency of communication protocols is guaranteed, and data of the electrical system are transmitted to a DCS.
Two, PLC + SCADA system
The upper part of the PLC control system is an SCADA system, the PLC is connected with the upper system through a switch, the PLC is responsible for the acquisition of field equipment, process parameters and energy data, the start and stop of the equipment and the like, the SCADA system realizes the development of upper monitoring pictures, and the SCADA system are combined to realize the centralized monitoring of the field equipment and the data.
Specifically, the data acquisition and summarization unit further comprises an interface machine, the interface machine is connected with the OPC server, and on one hand, the interface machine acquires and summarizes data required on site, so that an operation center server can read the data on site conveniently; meanwhile, direct access of a network to the field control system is avoided, and system safety is guaranteed.
Specifically, the safety isolation unit is an isolation network gate, the interface machine is connected with the isolation network gate through a network cable, and the isolation network gate plays a role in physical isolation.
Specifically, the transmission unit includes two modes:
(1) transmission over the internet
When an industrial field has a stable wired network, the outlet of the isolation gateway is directly connected with the VPN gateway through a network cable, the other end of the VPN gateway is connected with the Internet, and after the network is debugged (if the VPN does not need to be newly added) with the operation center VPN, the operation center server can read data on the interface machine. Meanwhile, the VPN has a firewall function, has defense on DOS attacks from the outside and from an intranet computer, and realizes double safety protection of the network together with the isolation gatekeeper.
(2) Transmission through digital circuitry;
when the network of the industrial field is unstable and the requirement for safety is high, the photoelectric converters are respectively arranged on the data center server and the interface machine, and a digital circuit is arranged between the data center server and the interface machine.
Specifically, the data center includes a central server switch and a VPN connected at one time.
The data on the interface machine is read by the data center server, so that the data is remotely transmitted, the operation system displays and analyzes the data, the field process information can be reflected in time, meanwhile, the data such as the process, the energy and the like are analyzed, various comprehensive reports, operation evaluation, index management, equipment management and the like are formed, and a good centralized operation effect is achieved.
Example 1
The embodiment aims at the places which are across provinces and have bad network environment, such as Qinghai Dedlaha, the surrounding is unsanitary and has no human smoke, the base stations are few, the mobile phone is always in a no-signal state, the condition is very hard, a mobile network is provided for the whole factory to use on site, and the bandwidth is 50M. The project site machine set is uniformly and centrally monitored by a DCS, and the system is provided with an OPC server. The electric system background is independent, but no external data interface is reserved. The data is transmitted back to the data center server. Based on the conditions, the remote data transmission unit based on network double safety is adopted to realize data remote transmission and centralized operation, and the system is characterized by comprising a data summarizing system, a safety isolation transmission system and a centralized operation system.
The data summarizing system 1 is characterized in that a set of telecontrol equipment PCS-9799 is added to an electrical system, is connected with electrical main equipment and is provided with a communication interface with a DCS; 2. an Ethernet LC Module-Ethernet data connection card is added in the DCS, the DCS is in butt joint with a telecontrol device, required electrical background data are collected to the DCS through a modbus communication protocol, data aggregation is achieved, and then data are transmitted to the outside through a uniform interface. 3. The OPC server of the DCS system is connected with an interface machine through a switch, the interface machine is provided with interface software and the like, the communication with the OPC server is realized, data gathered by the DCS system and an electric background are read in an OPC mode, and the data can be cached in the interface machine. Therefore, the data is summarized and integrated.
The security isolation transmission system adopts double security measures for preventing network attack and ensuring network security and reliability: 1. the outlet of the interface machine firstly passes through a network gate, and the network gate adopts a SyncKeeper3000 isolation network gate to realize physical isolation; 2. the network gate is connected with the firewall equipment with VPN, and is connected with an eth2 port of the VPN equipment. The model of the device is AF-1000-C600, which is a mature and advanced product. The VPN device is mainly provided with 3 ports, an eth1 port is an external network WAN port, an eth2 port is an internal network LAN port, an eth0 port is defaulted to be a management port, network setting is carried out through the management port, and the like. 3. And accessing the Internet through an eth1 port of the VPN device. The operation center is also provided with VPN equipment, and after an account is established, the site VPN is configured and logged in. Therefore, the data center server and the field interface machine are virtualized in a local area network, and the server can realize data access, acquisition and storage with the interface machine. Therefore, the remote transmission of the field data across provinces is realized, double insurance is considered from the aspect of network safety, the safety of the data transmission process is ensured, the threat of the network to the field industrial control system is prevented, the data is output through the interface machine, and the field is safely protected through the isolation network gate and the firewall, so that the network safety of the field control system is ensured. The system structure schematic diagram is as follows:
the centralized operation system reads data on the interface machine through the data center server to realize remote transmission of the data, displays and analyzes the data by the operation system to reflect field process information in time, analyzes data such as process, energy and the like at the same time to form various comprehensive reports, operation evaluation, index management, equipment management and the like, and achieves a good centralized operation effect.
The method introduces a method for summarizing and remotely transmitting field industrial multi-source data more comprehensively, is suitable for field multi-data source, has stable wired network and remote (city-crossing province and city-crossing and the like) data transmission, and is also suitable for market demands so as to achieve the aim of centralized operation.
Example 2
In yet another example, industrial data at a factory site within a city is remotely transmitted back to a data center server. Because the field network management does not compound the transmission condition, combines the field actual situation, adopts the digital circuit data remote transmission unit based on network safety to realize the construction of the transmission path, and also applies the digital circuit in the remote transmission of the industrial data for the first time. The system also comprises a data summarizing system, a safety isolation transmission system and a centralized operation system.
The data summarization system comprises a field PLC control system, an upper King SCADA system, a switch and an interface machine. The PLC control system realizes the centralized monitoring of field data acquisition and equipment, the upper King SCADA system is provided with a database and an external OPC communication interface, and the interface machine reads data in the upper software database through a switch in an OPC communication mode to realize the summarization of required data.
The safety isolation transmission system comprises an isolation network gate, a photoelectric converter and a digital circuit special line. Although the digital circuit is defined as a special line to a certain extent, an isolation gatekeeper SyncKeeper3000 is added based on the safety consideration of a field control system. One end of the photoelectric converter is connected with the isolation network gate, and the other end is connected with the optical fiber and pulled to the telecommunication room; the optical fiber is led to a telecommunication room near an operation data center through a 2M digital circuit, and then the optical fiber is led to a data center photoelectric converter through the room; and is connected with the data center server through the switch. Therefore, the data center server and the interface machine are directly connected, and data are accessed, collected and stored from the interface machine. And the remote transmission of data is realized.
The centralized operation system comprises a server and a system platform. The data on the interface machine is read by the data center server, so that the data is remotely transmitted, the operation system displays and analyzes the data, the field process information is reflected in time, meanwhile, the data such as the process, the energy and the like are analyzed, various comprehensive reports, operation evaluation, index management, equipment management and the like are formed, and a good centralized operation effect is achieved.
The digital circuit data remote transmission method based on network security in the embodiment is suitable for industrial data remote transmission (from the cost performance consideration) in cities with higher requirement on data security, more comprehensive mobile network infrastructure, and provides a safe and reliable data transmission method for realizing centralized operation management of projects.
In conclusion, the remote data transmission system designed aiming at different field conditions effectively solves the problems of field industrial data summarization and remote transmission, and realizes reliable and safe data transmission. The invention provides reliable guarantee for the enterprise to realize centralized operation, master the real-time information on site, analyze data and make operation decision, and avoids the management difficulty and economic loss of the enterprise caused by unstable wireless network, network attack and the like. Through operation verification, data transmission is stable and reliable, and the effect is good.
Example 3
In an example, if a plurality of sub-sites of an industrial site meet the application scenarios of embodiments 1 and 2, the embodiments 1 and 2 share a data center to realize data transmission.
Claims (5)
1. A remote industrial data transmission system is characterized by comprising a data acquisition and summary unit, a safety isolation unit, a transmission unit and a data center which are sequentially connected;
the data acquisition and summarization unit is used for acquiring, monitoring and summarizing various data sources of an industrial field and sending the data sources to the data center through the transmission unit;
the safety isolation unit is used for preventing the industrial data from being in direct contact with the Internet before transmission;
the transmission unit is used for transmitting various industrial data to the data center through the Internet or a digital circuit;
the data center is used for receiving various industrial data, displaying and storing the industrial data.
2. A remote industrial data transmission system as claimed in claim 1 wherein said data collection and aggregation unit comprises a data collection system and an interface machine, said security isolation unit comprises an isolation gateway, said transmission unit comprises a first VPN gateway and/or a digital circuit transmission line, said data center comprises a central server, a switch, a second VPN gateway and a second optical-to-electrical converter;
the output end of the data acquisition system is connected with the interface machine, the output end of the interface machine is provided with an isolation gateway, the first VPN gateway and the second VPN gateway are communicated with each other, the input end of the digital circuit transmission line is connected with the first photoelectric converter, the output end of the digital circuit transmission line is connected with the second photoelectric converter, the output ends of the second VPN gateway and the second photoelectric converter are respectively connected with the switch, and the output end of the switch is connected with the central server.
3. A remote industrial data transmission system as claimed in claim 2 wherein said data acquisition system comprises a DCS control system, an electrical integration back-office system, a PLC control system and a SCADA system.
4. A remote industrial data transmission system as claimed in claim 3 wherein said DCS control system and said electrical integration background system are both equipped with communication interfaces and have a consistent communication protocol.
5. A remote industrial data transmission system as claimed in claim 1 wherein said plurality of data sources include field device parameters, process parameters, energy data, meter data and electrical data.
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| CN202020944320.3U CN212435731U (en) | 2020-05-28 | 2020-05-28 | Industrial data remote transmission system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112947334A (en) * | 2021-02-05 | 2021-06-11 | 深圳市天圳自动化技术有限公司 | Regenerated aluminum production data tracing and benchmarking system and method based on big data |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112947334A (en) * | 2021-02-05 | 2021-06-11 | 深圳市天圳自动化技术有限公司 | Regenerated aluminum production data tracing and benchmarking system and method based on big data |
| CN112947334B (en) * | 2021-02-05 | 2022-08-05 | 深圳市天圳自动化技术有限公司 | Regenerated aluminum production data tracing and benchmarking system and method based on big data |
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