CN212009372U - Industrial control data fusion acquisition system - Google Patents
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- CN212009372U CN212009372U CN202020902013.9U CN202020902013U CN212009372U CN 212009372 U CN212009372 U CN 212009372U CN 202020902013 U CN202020902013 U CN 202020902013U CN 212009372 U CN212009372 U CN 212009372U
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Abstract
The utility model relates to an industrial control field, its embodiment provides an industrial control data fusion collection system, include: the data monitoring subsystem is used for acquiring data in the industrial control system and sending the acquired data to the data acquisition gateway; the data acquisition gateway is used for forwarding and isolating the acquired data; the cloud server is used for receiving and storing the acquired data; the data acquisition gateway comprises: the data acquisition end is used for receiving the acquired data; the data forwarding end is used for sending the acquired data to the cloud server; the unidirectional transmission link comprises a simplex RS232 transmission line and is used for transmitting the acquired data from the data acquisition end to the data forwarding end in a unidirectional way; the data acquisition end and the data forwarding end both comprise: a data processor, a data memory and a data interface. The utility model is suitable for a fuse the collection of industry control data.
Description
Technical Field
The utility model relates to an industrial control field, in particular to industrial control data fuses collection system.
Background
With the development of industrial internet technology, the application range of the industrial internet technology is further expanded. With the advent of the big data age, internal data of the industrial internet is called an important resource and becomes the basis of big data analysis. How to realize data acquisition in an external network and ensure the safety of internal network data is always the key point of industrial internet networking safety. The following methods are mostly adopted in the prior art:
(1) and (5) firewall isolation. Firewalls can address a variety of network security issues to some extent, but are also subject to potential for malicious attack. The requirement on the safety technology of operation and maintenance personnel is high, and the danger of being broken by hackers also exists.
(2) And isolating the network gate. The gatekeeper is deployed in two independent host systems or networks, but the deployment cost is high, and the transmission capacity is limited by the processing capacity of the gatekeeper, and the bandwidth bottleneck is obvious. If multiple network gates are required to be connected in parallel to realize the gigabit network, the cost is directly multiplied.
(3) Unidirectional fiber optic transmission. The existing internal and external network unidirectional safe transmission module mostly adopts a unidirectional transmission optical card, and although the unidirectional transmission problem can be solved, the problems that the cost of optical fiber erection is high, flexible configuration cannot be realized, and the provided adaptive interfaces are not rich enough exist.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing an industrial control data fuses collection system to solve the problem of unidirectional link implementation cost height and data interface matching nature in the current industrial control data acquisition at least.
In order to achieve the above object, the utility model discloses a first aspect provides an industrial control data fusion collection system, include:
the data monitoring subsystem is used for acquiring data in the industrial control system and sending the acquired data to the data acquisition gateway;
the data acquisition gateway is used for forwarding and isolating the acquired data; and
the cloud server is used for receiving and storing the acquired data;
the data acquisition gateway comprises:
the data acquisition end is used for receiving the acquired data;
the data forwarding end is used for sending the acquired data to the cloud server;
the data acquisition end and the data forwarding end perform data transmission through a unidirectional transmission link, the acquired data is transmitted from the data acquisition end to the data forwarding end in a unidirectional way, and the unidirectional transmission link comprises an RS232 transmission line for simplex communication;
the data acquisition end and the data forwarding end both comprise: a data processor, a data memory and a data interface.
Optionally, the data acquisition end and the data forwarding end are hosts or servers.
Optionally, the RS232 transmission line for simplex communication includes:
the TX pin of the data acquisition end is connected with the RX pin of the data forwarding end,
and the GND pin of the data acquisition end is connected with the GND pin of the data forwarding end.
Optionally, the data interface of the data acquisition end includes: one or more of an RS232 interface, an RS485 interface, and an RJ45 interface.
Optionally, the data interface of the data forwarding end includes: and an RJ45 interface.
Optionally, the data acquisition end and the data forwarding end both include a debugging interface, and the debugging interface is used for connecting a debugging device and receiving debugging data.
Optionally, the data monitoring subsystem includes a first data encryption card; the data acquisition end comprises a first data decryption card which is arranged corresponding to the first data encryption card.
Optionally, the data forwarding end includes a second data encryption card and a third data decryption card; the cloud server comprises a second data decryption card corresponding to the second data encryption card and a third data encryption card corresponding to the third data decryption card.
Optionally, the data acquisition end includes a protocol converter, and the protocol converter is connected to the data interface of the data acquisition end and is configured to perform protocol conversion on the acquired data received by the data interface.
Optionally, the data monitoring subsystem includes: the system comprises a system server, a workstation, a control cabinet and a collector, wherein the system server, the workstation and the control cabinet are connected through an Ethernet, and the collector is connected with the control cabinet.
Optionally, the system further comprises a gateway management platform, wherein the gateway management platform is in communication connection with the debugging interface of the data acquisition gateway, and is used for managing the data acquisition gateway.
Optionally, the cloud server is further connected to a monitoring terminal, and the monitoring terminal is configured to display the received collected data in real time.
Through the technical scheme provided by the utility model, the network safety is ensured by using a simplex RS 232-based mode, and the equipment cost is lower; the acquisition range is wider, and production process data, alarm event data, parameter threshold data and the like can be acquired simultaneously. The utility model provides a but technical scheme wide application in DCS and control system's such as SCADA data acquisition and unloading provide the basis for industry big data application.
Other features and advantages of the present invention will be described in detail in the detailed description which follows.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
fig. 1 is a schematic structural diagram of an industrial control data fusion acquisition system according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a data acquisition gateway according to an embodiment of the present invention;
fig. 3 is a terminal connection diagram of a unidirectional transmission link according to an embodiment of the present invention;
fig. 4 is a schematic diagram of a networking structure of a data monitoring subsystem according to an embodiment of the present invention.
Detailed Description
In the present invention, the embodiments and the features of the embodiments may be combined with each other without conflict.
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.
Fig. 1 is a schematic structural diagram of an industrial control data fusion acquisition system according to an embodiment of the present invention. As shown in fig. 1, the present embodiment provides an industrial control data fusion acquisition system, including:
the data monitoring subsystem is used for acquiring data in the industrial control system and sending the acquired data to the data acquisition gateway;
the data acquisition gateway is used for forwarding and isolating the acquired data; and
the cloud server is used for receiving and storing the acquired data;
the data acquisition gateway comprises: the data acquisition end is used for receiving the acquired data; the data forwarding end is used for sending the acquired data to the cloud server; the data acquisition end and the data forwarding end perform data transmission through a unidirectional transmission link, the acquired data is transmitted from the data acquisition end to the data forwarding end in a unidirectional way, and the unidirectional transmission link comprises an RS232 transmission line for simplex communication; the data acquisition end and the data forwarding end both comprise: a data processor, a data memory and a data interface.
Therefore, the data acquisition gateway is arranged between the data monitoring subsystem and the cloud server, so that the problems of data safety, data adaptation and the like between the industrial control system and the cloud server are solved. Meanwhile, the data acquisition gateway adopts a separated framework of a data acquisition end and a data forwarding end, and adopts a unidirectional RS232 link inside to avoid the defects of the unidirectional isolation link, and has the advantages of simple implementation and high reliability. The data acquisition end and the data forwarding end respectively comprise a data processor, a data memory and a data interface, certain data storage function and data processing function can be performed, a hardware basis is provided for processing of acquired industrial control data, and data adaptation and format conversion can be achieved through certain software configuration.
Specifically, the data monitoring subsystem is used for acquiring data in the industrial control system and sending the acquired data to the data acquisition gateway; common Data monitoring subsystems include DCS (Distributed Control System) And SCADA (Supervisory Control And Data Acquisition) Control systems.
And the cloud server is used for receiving and storing the acquired data, the implementation hardware of the cloud server is a server, and a database server can be adopted for storing the acquired data. Meanwhile, a hardware platform based on the cloud server can provide software functions such as user access operation and big data analysis.
The data acquisition gateway is used for forwarding and isolating the acquired data; the system adopts a separated framework of an internal network and an external network, wherein a data acquisition end is used for receiving the acquired data; the data forwarding end is used for sending the acquired data to the cloud server; the unidirectional transmission link comprises a simplex communication RS232 transmission line and is used for transmitting the acquired data from the data acquisition end to the data forwarding end in a unidirectional way; the unidirectional link is used for separating a data channel from an external network to an internal network so as to ensure the safety of the internal network. The data acquisition end and the data forwarding end both comprise: the data acquisition gateway comprises a data processor, a data memory and a data interface, wherein the provided hardware environment is the operation basis of the data acquisition gateway and can provide the capability of protocol analysis and adaptation after being combined with corresponding software. The industrial control data fusion acquisition system in the embodiment has the advantages of high safety and wide acquisition range, can be widely applied to data acquisition and transfer of control systems such as DCS (distributed control System) and SCADA (supervisory control and data acquisition) and the like, and provides a basis for industrial big data application.
Fig. 2 is a schematic structural diagram of a data acquisition gateway provided by an embodiment of the present invention, as shown in fig. 2, the present invention provides an embodiment in which the data acquisition end and the data forwarding end are hosts or servers. The host or the server is used as a hardware carrier of the data acquisition module and the data forwarding module, and the method has the advantages of convenience in implementation and good integration. Two hosts or servers are adopted, one works on an internal network side and the other works on an external network side, and the two hosts or servers are connected through a unidirectional transmission link. And the host computer or the server can provide various data interfaces and data processing capacity, so that a standard hardware environment is provided for the implementation of software.
Fig. 3 is a terminal connection diagram of a unidirectional transmission link according to an embodiment of the present invention, as shown in fig. 3, in an embodiment of the present invention, the RS232 transmission line of simplex communication includes: and a TX pin in the RS232 interface of the data acquisition end is connected with an RX pin in the RS232 interface of the data forwarding end, and a GND pin in the RS232 interface of the data acquisition end is connected with a GND pin in the RS232 interface of the data forwarding end. In the embodiment, the hardware basis of data unidirectional transmission is transformed from common RS232, the transmitting end is only connected with the TX line and the GND line, the receiving end is only connected with the RX line and the GND line to realize simplex communication of the RS232 cable, and the above unidirectional mode is adopted between two independent hosts in the digital acquisition equipment, so that data can only be transmitted to the data forwarding end from the data acquisition end without reverse data transmission, and the unidirectional data transmission between two computers is ensured. The one-way transmission mode can be applied between the data monitoring subsystem and the data acquisition terminal, so that data can be transmitted to the data acquisition gateway only from an operator station (an engineer station) in the data monitoring subsystem without reverse data transmission, and the possibility of writing data into DCS related equipment from the data acquisition gateway is electrically avoided.
The utility model provides a pair of in an embodiment, the data interface of data acquisition end includes: one or more of an RS232 interface, an RS485 interface, and an RJ45 interface. The data acquisition end is used as the intranet side of the data acquisition gateway, various commonly used interfaces need to be integrated, and the data interface provided by the data acquisition end provides ports such as an RS232 interface, an RS485 interface and an RJ45 interface, so that the data access requirement of an intranet can be met.
The utility model provides a pair of in an embodiment, the data interface of data transfer end includes: and an RJ45 interface. The data forwarding end serves as an external network side of the data acquisition gateway, the data forwarding end is mainly used for sending acquired data to the cloud server, a common RJ45 interface is adopted, the local area network or the wide area network can be conveniently and quickly accessed, and internal transmission or long-distance transmission of the data is achieved by means of an existing network provided by an operator.
The utility model provides a pair of in the embodiment, data acquisition end and data transfer end all include the debugging interface, the debugging interface is used for connecting debugging equipment, receives the debugging data. By setting the debugging interface, the remote configuration, running state monitoring, log acquisition and other management operations of the data acquisition gateway can be realized, and a hardware basis is provided for remote management or centralized management.
In one embodiment, the data monitoring subsystem comprises a first data encryption card; the data acquisition end comprises a first data decryption card which is arranged corresponding to the first data encryption card. In order to ensure the safety of the data in the transmission process, the data is preferably encrypted for transmission. In the present embodiment, hardware encryption is preferable. The data communication between the data forwarding end and the cloud server adopts encrypted data, so that the safety of data transmission can be improved. Therefore, the corresponding data encryption card and the data decryption card are arranged on the data forwarding end and the cloud server to realize the encryption transmission of the data. For example, a PCI/PCI-E interface encryption/decryption card is added to the host, and a high-performance hardware cryptographic operation module is embedded, so that the encryption/decryption operation of a large data block can be realized by using a burst mode of a bus. Because the universal PCI/PCI-E local bus interface is adopted, the system can be conveniently embedded into various computer systems, such as PCs, notebooks, various servers, various handheld electronic devices and the like.
In an embodiment provided by the present invention, the data forwarding terminal includes a second data encryption card and a third data decryption card; the cloud server comprises a second data decryption card corresponding to the second data encryption card and a third data encryption card corresponding to the third data decryption card. Similar to the foregoing embodiment, the data transmission security can be improved by using encrypted data in data communication between the data forwarding terminal and the cloud server. Therefore, the corresponding data encryption card and the data decryption card are arranged on the data forwarding end and the cloud server to realize the encryption transmission of the data. See the foregoing for specific embodiments.
The utility model provides a pair of in an embodiment, the data acquisition end includes protocol converter, protocol converter with the data interface of data acquisition end links to each other, and is used for right the collection data that data interface received carries out protocol conversion. As mentioned above, the interface of the data acquisition end includes that it is connected with the data transfer end through the RS232 interface, and the conversion of the communication protocol therein can be realized by analyzing and encapsulating through software, or by converting a hardware protocol through hardware. In the present invention, a protocol converter is used. The industrial communication needs information sharing and data exchange among a plurality of devices, common industrial control device communication interfaces comprise RS-232, RS-485, CAN and Ethernet, operation and information exchange among heterogeneous networks are difficult to carry out due to different interface protocols, and different interface devices CAN be networked through a multi-protocol converter to realize interoperation among the devices. A wide variety of protocol converters are formed based on a variety of communication ports and various protocols. The main categories are E1/Ethernet protocol converter, RS-232/485/422/CAN converter/RS-232/485/CAN converter, etc. In the implementation process, a proper protocol converter is selected according to the actual application scene.
Fig. 4 is a schematic diagram of a networking structure of a data monitoring subsystem provided by an embodiment of the present invention, as shown in fig. 4, the present invention provides an embodiment of the data monitoring subsystem, which includes: the system comprises a system server, a workstation, a control cabinet and a collector, wherein the system server, the workstation and the control cabinet are connected through an Ethernet, and the collector is connected with the control cabinet. Taking a standard data acquisition scheme in fig. 4 as an example, the system includes a system server, a workstation (an operator station belongs to a kind of workstation) and a control cabinet, which are connected via ethernet network. And meanwhile, a plurality of collectors are hung below the control cabinet and used for collecting industrial control data. In practice, the hardware of the system server, workstation and operator station are all servers, but the respective functions are different.
The utility model provides a pair of in the embodiment, still include gateway management platform, gateway management platform with data acquisition gateway communication connection is used for rightly the data acquisition gateway manages. In order to perform unified remote management on one or more data acquisition gateways in a network, the embodiment provides a gateway management platform, which is connected with a debugging interface of the data acquisition gateway through the network, so that an operator can operate on the gateway management platform, and remote configuration, running state monitoring, log acquisition and other management operations of the data acquisition gateway are realized. And operating a 'network management system' on the gateway management platform to realize the unified management of the data acquisition gateways arranged on site. Usually, the data acquisition end is connected with the data forwarding end only through an RS232 cable, so that unidirectional transmission of data from the data acquisition end to the data forwarding end is realized. When the data acquisition end needs to be remotely maintained, the debugging cable is connected, the data acquisition end is connected with the data forwarding end through the debugging cable, and data and command transmission from the data forwarding end to the data acquisition end is realized. And after debugging is finished, the debugging cable is removed, and the isolation of the intranet computer and the extranet is ensured.
The utility model provides a pair of in an embodiment, cloud ware still links to each other with monitor terminal, monitor terminal is used for showing in real time and receives the data collection. The monitoring terminal comprises a large screen of a monitoring room, a fixed terminal and a mobile terminal capable of accessing the cloud server, and the mobile terminal can provide the APP of the adaptation to check the industrial control data. Through the connection between various monitor terminals and the cloud server, the operator can conveniently check industrial control data in real time.
The following describes the processing procedure of collected data in different formats in the industrial control data fusion collection system:
1) data acquisition scheme for report form printing
i. Analyzing the 'file' printed by the text printer, and sending the encrypted 'file' to a data acquisition gateway through a COM (component object model) port (RS232 type);
and ii, a receiving interface of the data acquisition gateway is a COM (communication object model) interface (RS232 type), and after the acquired data arrives, the data is decrypted and ferred to a data forwarding end through unidirectional transmission, and then the data forwarding end forwards and stores the data to a cloud server through the Ethernet.
2) Data acquisition scheme of standard OPC interface
i. And an engineer station/operator station in the data monitoring subsystem receives the OPC data packet from the OPC Server, encrypts the OPC data packet and sends the encrypted OPC data packet out through a serial port (a hardware COM port).
And ii, a receiving interface of the data acquisition gateway is a COM (hardware COM), and after the OPC data packet arrives, the OPC data packet is decrypted and then transited to a data forwarding end through unidirectional transmission, and then the data forwarding end forwards and stores the data to a cloud server through the Ethernet.
3) Data acquisition scheme of Modbus interface
i. For a control system or equipment supporting Modbus RTU (or TCP), the data acquisition gateway is directly accessed to the data acquisition gateway through an RS485 interface (or RJ45) for data acquisition, and the data acquisition gateway is used as a master station (Modbus RTU) and a Client (Modbus TCP) to send out reading instructions for corresponding data reading.
And ii, a receiving interface of the data acquisition gateway is an RS485 interface (or RJ45), after the field data arrives, the data acquisition end converts the acquired 16-bit or 32-bit binary data into decimal data according to a corresponding format, performs calculation such as range conversion, alarm generation and the like, and the decimal data is encrypted and then is transferred and stored to a cloud server through the Ethernet by the data forwarding end.
Through the above embodiment, a unidirectional RS232 link can be provided and internally employed to avoid the aforementioned disadvantages of the unidirectional isolation link, and the method has the advantages of simple implementation and high reliability. The data acquisition end and the data forwarding end respectively comprise a data processor, a data memory and a data interface, certain data storage function and data processing function can be performed, a hardware basis is provided for processing of acquired industrial control data, and data adaptation and format conversion can be achieved through certain software configuration.
The above describes in detail optional implementation manners of embodiments of the present invention with reference to the accompanying drawings, however, the embodiments of the present invention are not limited to the details in the above implementation manners, and in the technical concept scope of the embodiments of the present invention, it is possible to perform various simple modifications on the technical solutions of the embodiments of the present invention, and these simple modifications all belong to the protection scope of the embodiments of the present invention.
It should be noted that the various features described in the above embodiments may be combined in any suitable manner without departing from the scope of the invention. In order to avoid unnecessary repetition, the embodiments of the present invention do not separately describe various possible combinations.
In addition, various different implementation manners of the embodiments of the present invention can be combined arbitrarily, and as long as it does not violate the idea of the embodiments of the present invention, it should be considered as the disclosure of the embodiments of the present invention.
Claims (12)
1. The utility model provides an industrial control data fuses collection system which characterized in that includes:
the data monitoring subsystem is used for acquiring data in the industrial control system and sending the acquired data to the data acquisition gateway;
the data acquisition gateway is used for forwarding and isolating the acquired data; and
the cloud server is used for receiving and storing the acquired data;
the data acquisition gateway comprises:
the data acquisition end is used for receiving the acquired data;
the data forwarding end is used for sending the acquired data to the cloud server;
the data acquisition end and the data forwarding end perform data transmission through a unidirectional transmission link, the acquired data is transmitted from the data acquisition end to the data forwarding end in a unidirectional way, and the unidirectional transmission link comprises an RS232 transmission line for simplex communication;
the data acquisition end and the data forwarding end both comprise: a data processor, a data memory and a data interface.
2. The industrial control data fusion collection system of claim 1, wherein the data collection end and the data forwarding end are hosts or servers.
3. The industrial control data fusion collection system of claim 1, wherein the RS232 transmission line of simplex communication comprises:
the TX pin of the data acquisition end is connected with the RX pin of the data forwarding end; and the GND pin of the data acquisition end is connected with the GND pin of the data forwarding end.
4. The industrial control data fusion acquisition system according to claim 2, wherein the data interface of the data acquisition end comprises: one or more of an RS232 interface, an RS485 interface, and an RJ45 interface.
5. The industrial control data fusion collection system of claim 4, wherein the data interface of the data forwarding end comprises: and an RJ45 interface.
6. The industrial control data fusion collection system according to claim 1, wherein the data collection end and the data transfer end each comprise a debugging interface, and the debugging interface is used for connecting a debugging device to receive debugging data.
7. The industrial control data fusion collection system of claim 1, wherein the data monitoring subsystem comprises a first data encryption card; the data acquisition end comprises a first data decryption card which is arranged corresponding to the first data encryption card.
8. The industrial control data fusion acquisition system according to claim 1 or 7, wherein the data forwarding end comprises a second data encryption card and a third data decryption card; the cloud server comprises a second data decryption card corresponding to the second data encryption card and a third data encryption card corresponding to the third data decryption card.
9. The industrial control data fusion collection system according to claim 1, wherein the data collection end comprises a protocol converter, and the protocol converter is connected to the data interface of the data collection end and is configured to perform protocol conversion on the collected data received by the data interface.
10. The industrial control data fusion acquisition system of claim 1, wherein the data monitoring subsystem comprises: the system comprises a system server, a workstation, a control cabinet and a collector, wherein the system server, the workstation and the control cabinet are connected through an Ethernet, and the collector is connected with the control cabinet.
11. The industrial control data fusion collection system according to claim 6, further comprising a gateway management platform, wherein the gateway management platform is communicatively connected to the debug interface of the data collection gateway, and is configured to manage the data collection gateway.
12. The industrial control data fusion collection system according to claim 1, wherein the cloud server is further connected to a monitor terminal, and the monitor terminal is configured to display the received collected data.
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Effective date of registration: 20220330 Address after: 100728 No. 22 North Main Street, Chaoyang District, Beijing, Chaoyangmen Patentee after: CHINA PETROLEUM & CHEMICAL Corp. Patentee after: Sinopec Safety Engineering Research Institute Co., Ltd Address before: 100728 No. 22 North Main Street, Chaoyang District, Beijing, Chaoyangmen Patentee before: CHINA PETROLEUM & CHEMICAL Corp. Patentee before: SINOPEC Research Institute OF SAFETY ENGINEERING Patentee before: Qingdao Anxin chemical safety Mdt InfoTech Ltd. |