CN116360374A - Industrial data acquisition gateway and method - Google Patents
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- CN116360374A CN116360374A CN202310460564.2A CN202310460564A CN116360374A CN 116360374 A CN116360374 A CN 116360374A CN 202310460564 A CN202310460564 A CN 202310460564A CN 116360374 A CN116360374 A CN 116360374A
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- G05B19/4183—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by data acquisition, e.g. workpiece identification
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Abstract
The invention provides an industrial data acquisition gateway and a method, wherein the industrial data acquisition gateway comprises a gateway system and an industrial data acquisition system; the gateway system comprises a microprocessor, a communication interface module, a communication adaptation module, a control management module and a storage module; the industrial data acquisition system includes a data management server. Has the following advantages: 1) The gateway system has a data processing function, and the processing tasks of the traditional centralized server are issued to each gateway system, so that the data processing efficiency is improved, and the processing requirements of computationally intensive and delay sensitive tasks are met. 2) After the gateway system processes the acquired data, only the calculation result is transmitted to the server, so that the data quantity transmitted from the gateway system to the server is reduced, and the requirement on network bandwidth is reduced. 3) The gateway system integrates various types of communication interfaces and communication adaptation of various protocols, so that the gateway system has the advantages of multiple types of accessible terminal equipment and wide application range.
Description
Technical Field
The invention belongs to the field of industrial data acquisition, and particularly relates to an industrial data acquisition gateway and an industrial data acquisition method.
Background
In recent years, the rapid development of the industrial manufacturing field brings about connection of massive heterogeneous terminal devices to the internet, the terminal devices generate an unpredictable data volume, and the data acquisition mode adopted by the traditional industry cannot meet the requirements in the universal interconnection era.
Most existing industrial manufacturing systems use centralized servers as data processing centers with network architecture: the data generated by the terminal equipment is transmitted to the gateway equipment, the gateway equipment is mainly used for data aggregation and data forwarding, the data generated by the terminal equipment is transmitted to the centralized server, and the centralized server performs centralized processing and decision on the data generated by the terminal equipment. This approach has the following problems: 1) The gateway equipment has large data volume transmitted to the centralized server and has higher requirement on network bandwidth; 2) The amount of data that a centralized server needs to process is large and cannot meet the processing requirements of computationally intensive and delay sensitive tasks.
Disclosure of Invention
The invention aims to overcome the existing defects, and provides an industrial data acquisition gateway and an industrial data acquisition method which can effectively solve the problems.
The technical scheme adopted by the invention is as follows:
the invention provides an industrial data acquisition gateway, which comprises a gateway system and an industrial data acquisition system;
the gateway system comprises a microprocessor, a communication interface module, a communication adaptation module, a control management module and a storage module; the industrial data acquisition system comprises a data management server;
the microprocessor is respectively in bidirectional link with the communication interface module, the communication adaptation module, the control management module and the storage module; the communication interface module is in bidirectional link with the storage module;
and the control management module and the data management server are in bidirectional link through an API interface, so that the bidirectional link of the gateway system and the industrial data acquisition system is realized.
Preferably, the microprocessor is an ARM9 core embedded microprocessor.
Preferably, the communication interface module integrates a WIFI interface, an Ethernet interface, a GPRS interface, an RS-485 interface, a 3G interface, a 4G interface, a LORA interface and a communication controller.
Preferably, the communication adaptation module comprises a protocol adaptation module and a data analysis module.
Preferably, the control management module comprises an input module, an access control module, a liquid crystal display module, a node manager, a service manager and a security management module.
Preferably, the memory module includes a static memory and an SDRAM chip.
The invention also provides a method for the industrial data acquisition gateway, which comprises the following steps:
step 1, when external data is input, the external data is firstly transmitted to a communication interface module, and the communication interface module drives a communication interface of a corresponding type through a communication controller according to the type of a network used for external data transmission so as to enable the external data to be connected with a gateway system;
step 2, the communication interface module respectively transmits the received external data to the microprocessor and the storage module, and temporarily stores the external data through the storage module;
the microprocessor sends the received external data to the communication adaptation module;
the communication adaptation module transmits the analyzed external data to the microprocessor;
and 4, the microprocessor interacts with the data management server through the control management module, receives a data processing instruction from the data management server, processes the analyzed external data, and transmits the processed external data to the data management server through the control management module.
Preferably, the input module, the access control module, the liquid crystal display module, the node manager, the service manager and the security management module of the control management module are specifically configured to:
the input module is used for receiving an operation instruction input by a user to the gateway system;
the access control module is used for authenticating a login user logging in the gateway system, distributing permission and recording an access log;
the liquid crystal display module is used for showing the running state of the gateway system, including whether the external data are normally transmitted or not and whether the connection with the external terminal is disconnected or not;
the node manager is used for processing a request task from the terminal equipment, and when receiving an instruction of the terminal equipment to request the task, determining whether to accept the request task according to whether the gateway has idle resources and whether the priority of the request task is higher than the priority of the execution task of the current gateway system;
the service manager is used for carrying out initialization setting when the node manager decides to accept the request task, distributing resources for the request task and updating firewall setting;
and the security management module is used for carrying out security access control on the terminal equipment and realizing encryption security processing of data according to the security requirement of the request task.
Preferably, the data management server runs a data acquisition and analysis module; the data acquisition and analysis module comprises a personnel management sub-module, a gateway management sub-module, a data acquisition configuration sub-module and a data comparison analysis sub-module;
the personnel management sub-module is used for carrying out user switching, password modification and authority modification on a user logging in the gateway system;
the gateway management sub-module is used for displaying basic load information of the gateway system, including a CPU, a memory, a disk and a network state;
the data acquisition configuration submodule is used for configuring adding and deleting the currently accessed terminal equipment and screening the received external data from the terminal equipment;
and the data comparison and analysis sub-module is used for carrying out comparison and analysis on the data processed by the microprocessor in different time periods.
The industrial data acquisition gateway and the method provided by the invention have the following advantages:
1) The gateway system not only has the functions of data aggregation and data forwarding, but also has the data processing function, namely: the collected data can be processed according to the tasks issued by the server, so that the load of the server is reduced, the processing tasks of the traditional centralized server are issued to each gateway system, the efficiency of data processing can be improved, and the processing requirements of computationally intensive and delay sensitive tasks are met.
2) After the gateway system processes the acquired data, only the calculation result is transmitted to the server, so that the data quantity transmitted from the gateway system to the server is reduced, and the requirement on network bandwidth is reduced.
3) The gateway system integrates various types of communication interfaces and communication adaptation of various protocols, so that the gateway system has the advantages of multiple types of accessible terminal equipment and wide application range.
Drawings
FIG. 1 is a block diagram of an industrial data acquisition gateway provided by the present invention;
fig. 2 is another structural diagram of an industrial data acquisition gateway provided by the present invention.
Detailed Description
The preferred embodiments of the present invention will hereinafter be described in conjunction with the appended drawings, it being understood that the preferred embodiments described herein are intended to illustrate and explain the present invention, and are not intended to limit the invention
First, the main technical terms of the present invention will be explained:
API interface, which is a set of definition, program and protocol, and through which the mutual communication between computer software is realized. One of the main functions of the API is to provide a generic set of functions. The programmer can lighten the programming task by calling the API function to develop the application program. The API is also a middleware for providing data sharing for various platforms.
Referring to fig. 1, the present invention provides an industrial data acquisition gateway, comprising a gateway system and an industrial data acquisition system;
the gateway system comprises a microprocessor, a communication interface module, a communication adaptation module, a control management module and a storage module; the industrial data acquisition system comprises a data management server;
the microprocessor is respectively in bidirectional link with the communication interface module, the communication adaptation module, the control management module and the storage module; the communication interface module is in bidirectional link with the storage module;
and the control management module and the data management server are in bidirectional link through an API interface, so that the bidirectional link of the gateway system and the industrial data acquisition system is realized.
As a specific embodiment, the microprocessor is an embedded microprocessor with an ARM9 core.
The communication interface module integrates a WIFI interface, an Ethernet interface, a GPRS interface, an RS-485 interface, a 3G interface, a 4G interface, a LORA interface and a communication controller.
The communication adaptation module comprises a protocol adaptation module and a data analysis module.
The control management module comprises an input module, an access control module, a liquid crystal display module, a node manager, a service manager and a security management module.
The memory module comprises a static memory and an SDRAM chip.
The invention also provides a method for the industrial data acquisition gateway, which comprises the following steps:
step 1, when external data is input, the external data is firstly transmitted to a communication interface module, and the communication interface module drives a communication interface of a corresponding type through a communication controller according to the type of a network used for external data transmission so as to enable the external data to be connected with a gateway system;
step 2, the communication interface module respectively transmits the received external data to the microprocessor and the storage module, and temporarily stores the external data through the storage module;
the microprocessor sends the received external data to the communication adaptation module;
the communication adaptation module transmits the analyzed external data to the microprocessor;
and 4, the microprocessor interacts with the data management server through the control management module, receives a data processing instruction from the data management server, processes the analyzed external data, and transmits the processed external data to the data management server through the control management module.
The system comprises an input module of a control management module, an access control module, a liquid crystal display module, a node manager, a service manager and a safety management module, and is specifically used for:
the input module is used for receiving an operation instruction input by a user to the gateway system;
the access control module is used for authenticating a login user logging in the gateway system, distributing permission and recording an access log;
the liquid crystal display module is used for showing the running state of the gateway system, including whether the external data are normally transmitted or not and whether the connection with the external terminal is disconnected or not;
the node manager is used for processing a request task from the terminal equipment, and when receiving an instruction of the terminal equipment to request the task, determining whether to accept the request task according to whether the gateway has idle resources and whether the priority of the request task is higher than the priority of the execution task of the current gateway system;
the service manager is used for carrying out initialization setting when the node manager decides to accept the request task, distributing resources for the request task and updating firewall setting;
and the security management module is used for carrying out security access control on the terminal equipment and realizing encryption security processing of data according to the security requirement of the request task.
In the invention, the data management server runs a data acquisition and analysis module; the data acquisition and analysis module comprises a personnel management sub-module, a gateway management sub-module, a data acquisition configuration sub-module and a data comparison analysis sub-module;
the personnel management sub-module is used for carrying out user switching, password modification and authority modification on a user logging in the gateway system;
the gateway management sub-module is used for displaying basic load information of the gateway system, including a CPU, a memory, a disk and a network state;
the data acquisition configuration submodule is used for configuring adding and deleting the currently accessed terminal equipment and screening the received external data from the terminal equipment;
and the data comparison and analysis sub-module is used for carrying out comparison and analysis on the data processed by the microprocessor in different time periods.
One specific embodiment is described below:
the industrial data acquisition gateway provided by the embodiment comprises a gateway system and an industrial data acquisition system, wherein data enters a communication adaptation module through a communication interface module to be analyzed and packaged, a microprocessor processes the data, a control management module realizes interaction with a server, and data acquisition and analysis software acquires and analyzes the data.
As shown in fig. 2, the disclosed industrial data acquisition gateway includes a specific data input 1, a GPRS interface 2, a WIFI interface 3, an Ethernet interface 4, an RS-485 interface 5, a 3G/4G interface 6, a LORA interface 7, a communication controller 8, a communication interface module 9, a protocol adaptation module 10, a data analysis module 11, a communication adaptation module 12, an input module 13, an access control module 14, a liquid crystal display module 15, a node manager 16, a service manager 17, a security management module 18, a control management module 19, a storage module 20, an API interface 21, a data management server 22, and data acquisition and analysis software 23;
specifically, the embodiment provides an industrial data acquisition gateway, which comprises a gateway system and an industrial data acquisition system; the gateway system comprises a microprocessor, a communication interface module, a communication adaptation module, a control management module and a storage module; the industrial data acquisition system comprises a data management server and data acquisition and analysis software running in the data management server.
The microprocessor is bidirectionally linked with the communication interface module, the communication adaptation module, the control management module and the storage module; the communication interface module is bidirectionally linked with the storage module; the gateway system and the industrial data acquisition system are in bidirectional link through an API interface.
Further, the microprocessor uses an embedded microprocessor of ARM9 core to process and analyze data, and may include an arithmetic unit, a controller and a register. An operator is a component in a computer that performs various arithmetic and logical operation operations. The controller is a command center of the whole microcomputer system and is responsible for taking out instructions from the memory one by one, and sending control commands such as fetch, execution, storage and the like to the whole microcomputer after decoding and analysis so as to ensure that the functions required by the processor are correctly completed. The register is used for accelerating operation and processing speed and temporarily storing data participating in the operation or intermediate results of the operation.
Further, the communication interface module supports a variety of hardware interfaces, including: WIFI interface, ethernet interface, GPRS interface, RS-485 interface, 3G interface, 4G interface, LORA interface, communication controller. The gateway based on ARM9 architecture integrates protocols with higher universality and also supports communication protocols of various third-party devices. The intelligent gateway can normally communicate with the third party equipment by only writing an XML file according to the communication protocol of the equipment, describing the protocol characteristics of the XML file and copying the XML file into the gateway formulated directory.
Further, the communication adaptation module comprises a protocol adaptation module and a data analysis module so as to realize standardization of protocol conversion and analysis data format. And the communication adaptation module analyzes the data acquired from the equipment terminal, judges the source and the attribute of the data, and performs protocol conversion and data encapsulation according to the attribute of the data. Support a variety of industrial equipment protocols, such as: OPC, modbus, TCP/IP, UDP, MQTT, COAP, PLC, etc.
Further, the control management module comprises an input module, an access control module, a liquid crystal display module, a node manager, a service manager and a security management module. The input module is used for inputting related operation instructions, such as controlling the running and stopping of the gateway program, modifying the program, issuing control commands to the bottom-layer equipment, and the like. The access control module authenticates the login user, allocates the permission, records the access log and ensures the security of the gateway system. The liquid crystal display module displays the running state of the gateway, including whether the terminal data are normally transmitted or not, and whether the connection is disconnected or not. The node manager processes requests from the industrial equipment. When the device sends out an instruction request, the node manager decides whether to accept the request according to whether the gateway has free resources and whether the priority of the request task is higher than or equal to the priority of the task executed on the gateway. The response is sent back to the data acquisition server, and once the request is accepted, the service manager performs an initialization setting, allocates resources for the task, and updates the firewall settings. The security management module is responsible for controlling the security access of the equipment and realizing the encryption processing of the data packet according to the security requirement of the actual service.
Further, the storage module comprises a static memory and an SDRAM chip, wherein the static memory is used for storing an embedded operating system of a gateway, application programs, a network server and a file system required by supporting various services. Since the presence of an embedded operating system requires dynamic RAM, the dynamic RAM provided is far from satisfactory and thus the SDRAM needs to be expanded on an external bus. Meanwhile, the storage module supports short-time storage of industrial equipment data and can be forwarded according to the needs of the server.
Further, the data acquisition and analysis software comprises a personnel management sub-module, a gateway management sub-module, a data acquisition configuration sub-module and a data comparison analysis sub-module. The personnel management sub-module can perform operations such as user switching, password modification, authority modification and the like on the user; the gateway management submodule displays basic load information of the gateway, including a CPU, a memory, a disk, a network and the like; the data acquisition submodule is configured with adding and deleting access equipment to screen acquired data; and the data comparison analysis submodule carries out comparison analysis and other analysis methods on the data of different time periods.
The data acquisition flow is as follows:
when data is input 1, the communication interface module 9 drives the corresponding GPRS interface 2, the WIFI interface 3, the Ethernet interface 4, the RS-485 interface 5, the 3G/4G interface 6, the LORA interface 7 and the communication controller 8 according to different forms of networks used for data transmission, so that corresponding equipment is connected with the gateway.
Then, the communication adapting module 12 performs protocol adaptation and conversion according to different protocols of the device, so that different networks are fused, and the collected terminal device data is subjected to data analysis and encapsulation according to the attribute of the data.
And the microprocessor executes calculation according to the distributed data tasks and performs data processing.
The control management module 19 then manages and controls, listening for requests from the server 22, allocating resources for it. Instructions are issued to the server to effect interaction of the server 22 with the gateway.
The gateway system enables interaction of data and control information with the server 22 via a standardized API interface 21. And data acquisition is realized, and the data are analyzed.
The industrial data acquisition gateway and the method provided by the invention have the following advantages:
1) The gateway system not only has the functions of data aggregation and data forwarding, but also has the data processing function, namely: the collected data can be processed according to the tasks issued by the server, so that the load of the server is reduced, the processing tasks of the traditional centralized server are issued to each gateway system, the efficiency of data processing can be improved, and the processing requirements of computationally intensive and delay sensitive tasks are met.
2) After the gateway system processes the acquired data, only the calculation result is transmitted to the server, so that the data quantity transmitted from the gateway system to the server is reduced, and the requirement on network bandwidth is reduced.
3) The gateway system integrates various types of communication interfaces and communication adaptation of various protocols, so that the gateway system has the advantages of multiple types of accessible terminal equipment and wide application range.
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which is also intended to be covered by the present invention.
Claims (9)
1. The industrial data acquisition gateway is characterized by comprising a gateway system and an industrial data acquisition system;
the gateway system comprises a microprocessor, a communication interface module, a communication adaptation module, a control management module and a storage module; the industrial data acquisition system comprises a data management server;
the microprocessor is respectively in bidirectional link with the communication interface module, the communication adaptation module, the control management module and the storage module; the communication interface module is in bidirectional link with the storage module;
and the control management module and the data management server are in bidirectional link through an API interface, so that the bidirectional link of the gateway system and the industrial data acquisition system is realized.
2. The industrial data acquisition gateway of claim 1, wherein the microprocessor employs an embedded microprocessor of an ARM9 core.
3. The industrial data acquisition gateway of claim 1, wherein the communication interface module integrates a WIFI interface, an Ethernet interface, a GPRS interface, an RS-485 interface, a 3G interface, a 4G interface, a LORA interface, and a communication controller.
4. The industrial data acquisition gateway of claim 1, wherein the communication adaptation module comprises a protocol adaptation module and a data parsing module.
5. The industrial data collection gateway of claim 1, wherein the control management module comprises an input module, an access control module, a liquid crystal display module, a node manager, a service manager, and a security management module.
6. The industrial data acquisition gateway of claim 1, wherein the memory module comprises a static memory and an SDRAM chip.
7. A method of an industrial data acquisition gateway as claimed in any one of claims 1 to 6, comprising the steps of:
step 1, when external data is input, the external data is firstly transmitted to a communication interface module, and the communication interface module drives a communication interface of a corresponding type through a communication controller according to the type of a network used for external data transmission so as to enable the external data to be connected with a gateway system;
step 2, the communication interface module respectively transmits the received external data to the microprocessor and the storage module, and temporarily stores the external data through the storage module;
the microprocessor sends the received external data to the communication adaptation module;
step 3, the protocol adaptation module of the communication adaptation module adapts and converts the protocol of the external data according to the current protocol supported by the gateway system, and converts the external data into the protocol supported by the gateway system; then, the data analysis module of the communication adaptation module is used for carrying out data analysis and sealing on the external data after protocol conversion to obtain the external data after analysis;
the communication adaptation module transmits the analyzed external data to the microprocessor;
and 4, the microprocessor interacts with the data management server through the control management module, receives a data processing instruction from the data management server, processes the analyzed external data, and transmits the processed external data to the data management server through the control management module.
8. The method of claim 7, wherein the input module, the access control module, the liquid crystal display module, the node manager, the service manager, and the security management module of the control management module are specifically configured to:
the input module is used for receiving an operation instruction input by a user to the gateway system;
the access control module is used for authenticating a login user logging in the gateway system, distributing permission and recording an access log;
the liquid crystal display module is used for showing the running state of the gateway system, including whether the external data are normally transmitted or not and whether the connection with the external terminal is disconnected or not;
the node manager is used for processing a request task from the terminal equipment, and when receiving an instruction of the terminal equipment to request the task, determining whether to accept the request task according to whether the gateway has idle resources and whether the priority of the request task is higher than the priority of the execution task of the current gateway system;
the service manager is used for carrying out initialization setting when the node manager decides to accept the request task, distributing resources for the request task and updating firewall setting;
and the security management module is used for carrying out security access control on the terminal equipment and realizing encryption security processing of data according to the security requirement of the request task.
9. The method of an industrial data collection gateway of claim 7, wherein the data management server runs a data collection and analysis module; the data acquisition and analysis module comprises a personnel management sub-module, a gateway management sub-module, a data acquisition configuration sub-module and a data comparison analysis sub-module;
the personnel management sub-module is used for carrying out user switching, password modification and authority modification on a user logging in the gateway system;
the gateway management sub-module is used for displaying basic load information of the gateway system, including a CPU, a memory, a disk and a network state;
the data acquisition configuration submodule is used for configuring adding and deleting the currently accessed terminal equipment and screening the received external data from the terminal equipment;
and the data comparison and analysis sub-module is used for carrying out comparison and analysis on the data processed by the microprocessor in different time periods.
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| CN117170295A (en) * | 2023-11-03 | 2023-12-05 | 上海能誉科技股份有限公司 | Industrial edge computing and collecting concentrator and data collecting method thereof |
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| CN117170295A (en) * | 2023-11-03 | 2023-12-05 | 上海能誉科技股份有限公司 | Industrial edge computing and collecting concentrator and data collecting method thereof |
| CN117170295B (en) * | 2023-11-03 | 2024-03-12 | 上海能誉科技股份有限公司 | Industrial edge computing and collecting concentrator and data collecting method thereof |
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