CN114268854A - Multi-source heterogeneous data synchronous acquisition device for intelligent production line - Google Patents
Multi-source heterogeneous data synchronous acquisition device for intelligent production line Download PDFInfo
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Abstract
The application provides a multisource heterogeneous data synchronous acquisition device for line is produced to intelligence, its characterized in that: the method comprises the following steps: the system comprises a first acquisition module, a second acquisition module and a data management module, wherein the first acquisition module is used for acquiring production line equipment data, the second acquisition module is used for acquiring sensor data arranged on production line equipment, and the data management module is used for receiving the data output by the first acquisition module and the data output by the second acquisition module and processing the data; the acquisition device can realize data communication with various machine tool numerical control systems and various internal and external sensors, and realize the synchronous precision of data acquisition between different channels and different devices.
Description
Technical Field
The invention relates to the technical field of intelligent manufacturing, in particular to a multi-source heterogeneous data synchronous acquisition device for an intelligent production line.
Background
Under the development trend of the current digital and intelligent manufacturing industry, various devices need to be updated and developed towards the direction of intellectualization. For enterprise workshop equipment in the processing and manufacturing industry, the intelligent flow process of a production line is realized, and the data acquisition device plays an important role therein and has important application requirements in the field of scientific research. For the current domestic research situation, mature data synchronous acquisition devices are few, and most of the data synchronous acquisition devices are only researched and developed aiming at specific target objects. Therefore, the data acquisition device on the market has various functional defects and cannot meet the complex equipment environment in most production lines.
Therefore, a collection device meeting the complex equipment environment in most production lines is needed.
Disclosure of Invention
In view of this, the present invention provides a multi-source heterogeneous data synchronous acquisition device for an intelligent production line, which is characterized in that: the method comprises the following steps: the system comprises a first acquisition module, a second acquisition module and a data management module, wherein the first acquisition module is used for acquiring production line equipment data, the second acquisition module is used for acquiring sensor data arranged on production line equipment, and the data management module is used for receiving the data output by the first acquisition module and the data output by the second acquisition module and processing the data;
the first acquisition module comprises a first acquisition module subunit I for acquiring industrial equipment authorized by an OPC protocol, a first acquisition module subunit II for acquiring industrial equipment authorized by an MODBUS protocol and a first acquisition module subunit III for acquiring industrial equipment authorized by a standard industrial protocol, and the output ends of the first acquisition module subunit I, the first acquisition module subunit II and the first acquisition module subunit III are all connected with the input end of the data management module.
Further, the first acquisition module subunit I acquires data by the following method: starting an OPC UA/DA Client acquisition device, configuring the URL address of the OPC UA/DA Server, and reading data of nodes in the Server.
Further, the first acquisition module subunit II acquires data by the following method: and starting the Modbus Master server, configuring an equipment IP address, and analyzing the data packet transmitted by the Modbus Slave in a register communication mode.
Further, the first acquisition module subunit III acquires data by the following method: the collecting device starts an HTTP server, the HTTP server receives response requirements from the interface program, and analyzes JSON data to realize data transmission.
Further, the second acquisition module acquires data by adopting the following method: and (3) using industrial equipment NI-CRIO for control, adopting an FPGA mode, operating in labview, and realizing synchronous acquisition of various sensors.
Furthermore, the device also comprises a storage unit, wherein the storage unit is in communication connection with the first acquisition module, the storage unit is in communication connection with the second acquisition module, and the storage unit is in communication connection with the data management module.
Further, the device also comprises a communication unit which is in communication connection with the upper computer.
The invention has the beneficial technical effects that: the acquisition device can realize data communication with a machine tool numerical control system and various internal and external sensors, and realize the synchronous precision of data acquisition between different channels and different devices.
Drawings
The invention is further described below with reference to the following figures and examples:
fig. 1 is a hardware framework diagram of the present application.
Fig. 2 is a system framework diagram of the present application.
Fig. 3 is a diagram of an HTTP application framework of the present application.
Fig. 4 is a schematic configuration diagram of an information node according to an embodiment of the present application.
Fig. 5 is a schematic view of a read-write variable configuration of a collection device according to an embodiment of the present application.
Fig. 6 is a schematic view of a data collection interface of a production line auxiliary device according to an embodiment of the present application.
Fig. 7 is a schematic view of a data acquisition interface according to an embodiment of the present application.
FIG. 8 is a system data variable set up diagram of an embodiment of the present application.
Fig. 9 is a schematic view of a data information node configuration of the siemens digital control system according to an embodiment of the present application.
Fig. 10 is a schematic view of a siemens numerical control system data acquisition interface in accordance with an embodiment of the present application.
Fig. 11 is a schematic diagram of a NUM industrial personal computer starting an HTTP service according to a specific embodiment of the present application.
Fig. 12 is a schematic diagram of a NUM numerical control system data variable setting according to a specific embodiment of the present application.
Fig. 13 is a schematic diagram of a data acquisition interface of the NUM numerical control system according to the embodiment of the present application.
FIG. 14 is a schematic diagram of sensor data variable settings according to an embodiment of the present application.
Fig. 15 is a schematic diagram of a sensor data integration display according to an embodiment of the present application.
FIG. 16 is a schematic diagram of a stored list of sensor data according to an embodiment of the present application.
Fig. 17 is a schematic diagram illustrating SQL Server data storage according to an embodiment of the present application.
Detailed Description
The invention is further described with reference to the accompanying drawings in which:
the invention provides a multi-source heterogeneous data synchronous acquisition device for an intelligent production line, which is characterized in that: the method comprises the following steps: the device comprises a first acquisition module, a second acquisition module, a data management module, a storage unit, a first acquisition module, a second acquisition module and a second acquisition module, wherein the first acquisition module is used for acquiring production line equipment data, the second acquisition module is used for acquiring sensor data arranged on production line equipment, the data management module is used for receiving data output by the first acquisition module and data output by the second acquisition module and processing the data, the storage unit is in communication connection with the first acquisition module, the storage unit is in communication connection with the second acquisition module, and the storage unit is in communication connection with the data management module. The device also comprises a communication unit which is in communication connection with the upper computer. As shown in fig. 1, the collecting device is firstly oriented to an intelligent production line, and the intelligent production line mainly comprises a machine tool, a PLC and each detection device, and is connected through a production line local area network. The acquisition device is accessed into a local area network of a production line through an Ethernet port, and acquires data on a machine tool, a PLC (programmable logic controller) and a detection instrument based on an OPC (optical proximity correction), a Modbus industrial protocol and a developed APServer + HTTP (hyper text transport protocol). Meanwhile, the acquisition device can also collect sensor data through an NI-CRIO controller interface. And the production line application computer is connected with the acquisition server, and performs distributed storage and application on the acquired data to complete the whole data acquisition process. In addition, the data service can be expanded to enterprise-level application and various remote operations by connecting the security gateway with an enterprise network or an external network such as a cloud database.
In the present embodiment, PLC means that the PLC is a digital arithmetic operation electronic system specifically designed for automation control in an industrial environment. OPC stands for the abbreviation of OLE for Process Control (OLE for Process Control), the OPC specification includes two parts, OPC server and OPC client. The essence is to establish a complete set of "rules" between the hardware vendor and the software developer. OPC is an industry standard and the international organization governing this standard is the OPC foundation, which has more than 220 existing members. Throughout the world, including all major companies in the world that automate control systems, instrumentation and process control systems. OPC DA indicates data access by OPC. The OPC UA tables are OPC unified frameworks. The Modbus protocol is a common language used in electronic controllers. With this protocol, controllers can communicate with each other, controllers via a network (e.g., ethernet), and other devices. It has become a common industry standard. With the device, control devices produced by different manufacturers can be connected into an industrial network for centralized monitoring. The APServer software is professional server environment deployment software. The server is created by network friends who love forums, can help users to set the safety environment required by the server more conveniently and quickly, and is simple to operate. The HTTP protocol means that the hypertext transfer protocol (HTTP) is a transport protocol for transferring hypertext from a web server to a local browser. The hypertext transfer protocol (HTTP) is transaction-oriented, and the application-layer protocol specifies the format and rules of requests and responses between the browser and the server, which is an important basis for reliable file exchange over the world wide web. NI stands for NaTIonal Instruments, NI, and the NI-CRIO controller is based on a LabVIEW reconfigurable I/o (rio) architecture, and a user can implement a strict embedded control and monitoring task without wasting development time and cost.
The first acquisition module comprises a first acquisition module subunit I for acquiring industrial equipment authorized by an OPC protocol, a first acquisition module subunit II for acquiring industrial equipment authorized by an MODBUS protocol and a first acquisition module subunit III for acquiring industrial equipment authorized by a standard industrial protocol, and the output ends of the first acquisition module subunit I, the first acquisition module subunit II and the first acquisition module subunit III are all connected with the input end of the data management module. As shown in fig. 2, the data acquisition device has functions mainly composed of 6 parts: firstly, the production line equipment has a collecting function; secondly, the data acquisition function of the external sensor; thirdly, a real-time data management function; fourthly, the data transmission and database connection function; fifthly, the network service function; and sixthly, visualization function.
According to the technical scheme, data acquisition of the machine tool, the PLC and each detection instrument in the intelligent production line is realized based on OPC UA/DA and Modbus industrial protocols, an APServer + HTTP communication mode is provided for equipment which is difficult to support standard industrial protocols, and the data acquisition function is realized. In addition, the acquisition system supports synchronous acquisition of various sensor signals, the FPGA backboard based on the CRIO controller is realized, and acquisition of four signals of temperature, displacement, vibration and stress strain can be realized.
In this embodiment, the first acquisition module subunit I acquires data by using the following method: starting an OPC UA/DA Client acquisition device, configuring the URL address of the OPC UA/DA Server, and reading data of nodes in the Server. Aiming at a numerical control system which does not support a standard industrial protocol, a data transmission mode based on APServer and HTTP is developed; the OPC UA/DA Client represents an OPC UA/DA Client, the OPC UA/DA Server represents an OPC UA/DA Server, and the URL address represents a uniform resource locator, is also called a webpage address and is an address of a standard resource on the Internet. APServer represents the PHP website building tool combination package. The technical scheme realizes the data acquisition function of all devices of the production line.
In this embodiment, the first acquisition module subunit II acquires data by using the following method: and starting the Modbus Master server, configuring an equipment IP address, and analyzing the data packet transmitted by the Modbus Slave in a register communication mode. The technical scheme realizes the data acquisition function of all devices of the production line.
In this embodiment, the first acquisition module subunit III acquires data by using the following method: the collecting device starts an HTTP server, the HTTP server receives response requirements from the interface program, and analyzes JSON data to realize data transmission. Based on the APServer in the NC, an interface program is used for collecting related data in the NC and sending an HTTP request to the outside, the request mode is POST, and a data transmission format is specified by a standard JSON format. The acquisition system starts the HTTP server function, receives the response request from the interface program, and parses the data, as shown in fig. 3. After the data are collected, the data are transmitted to a local database through an ODBC interface. The method comprises the following specific processes that an HTTP client is started, data on an industrial personal computer are read through an industrial personal computer APServer, the HTTP client standardizes the data to obtain JSON format data, the client sends a POST request, a server of an acquisition platform receives the POST request, and the HTTP server is started and analyzes and stores the JSON data.
In this embodiment, the second acquisition module acquires data by using the following method: and (3) using industrial equipment NI-CRIO for control, adopting an FPGA mode, operating in labview, and realizing synchronous acquisition of various sensors. The hardware system of the second acquisition module comprises: 1) 1 controller of NI-CRIO 9045; 2) 7 NI acquisition board cards (9215 × 2, 9216 × 3, 9234 × 1 and 9237 × 1); 3) 10 temperature sensors, 3 displacement sensors, 2 three-way vibration sensors and 8 strain gauges; 4) a plurality of connecting wires are arranged; the output ends of the temperature sensor, the displacement sensor, the three-way vibration sensor and the strain gauge are all connected with the input end of the NI acquisition board card, the output end of the NI acquisition board card is in communication connection with the NI-CRIO9045 controller, and the NI-CRIO9045 controller is in communication connection with the upper computer.
In this embodiment, fig. 4-17 are specific embodiments of this implementation, and the configuration of the information node is shown in fig. 4. The acquisition device read-write variable configuration is shown in fig. 5. The data collection interface for the production line auxiliary equipment is shown in fig. 6. The data acquisition interface is shown in fig. 7. The system data variable settings are shown in fig. 8. The data information node configuration of the Siemens numerical control system is shown in FIG. 9. The siemens numerical control system data acquisition interface is shown in figure 10. The NUM industrial personal computer starts HTTP service as shown in FIG. 11. NUM numerical control system data variable settings are shown in FIG. 12. The NUM numerical control system data acquisition interface is shown in FIG. 13. The sensor data variable settings are shown in fig. 14. The sensor data integration display is shown in fig. 15. The stored list of sensor data is shown in fig. 16. The SQL Server data store display is shown in FIG. 17.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (7)
1. The utility model provides a synchronous collection system of multisource heterogeneous data for line is produced to intelligence which characterized in that: the method comprises the following steps: the system comprises a first acquisition module, a second acquisition module and a data management module, wherein the first acquisition module is used for acquiring production line equipment data, the second acquisition module is used for acquiring sensor data arranged on production line equipment, and the data management module is used for receiving the data output by the first acquisition module and the data output by the second acquisition module and processing the data;
the first acquisition module comprises a first acquisition module subunit I for acquiring industrial equipment authorized by an OPC protocol, a first acquisition module subunit II for acquiring industrial equipment authorized by an MODBUS protocol and a first acquisition module subunit III for acquiring industrial equipment authorized by a standard industrial protocol, and the output ends of the first acquisition module subunit I, the first acquisition module subunit II and the first acquisition module subunit III are all connected with the input end of the data management module.
2. The multi-source heterogeneous data synchronous acquisition device for the intelligent production line according to claim 1, wherein: the first acquisition module subunit I acquires data by adopting the following method: starting an OPC UA/DA Client acquisition device, configuring the URL address of the OPC UA/DA Server, and reading data of nodes in the Server.
3. The multi-source heterogeneous data synchronous acquisition device for the intelligent production line according to claim 1, wherein: the first acquisition module subunit II acquires data by adopting the following method: and starting the Modbus Master server, configuring an equipment IP address, and analyzing the data packet transmitted by the Modbus Slave in a register communication mode.
4. The multi-source heterogeneous data synchronous acquisition device for the intelligent production line according to claim 1, wherein: the first acquisition module subunit III acquires data by adopting the following method: the collecting device starts an HTTP server, the HTTP server receives response requirements from the interface program, and analyzes JSON data to realize data transmission.
5. The multi-source heterogeneous data synchronous acquisition device for the intelligent production line according to claim 1, wherein: the second acquisition module acquires data by adopting the following method: and (3) using industrial equipment NI-CRIO for control, adopting an FPGA mode, operating in labview, and realizing synchronous acquisition of various sensors.
6. The multi-source heterogeneous data synchronous acquisition device for the intelligent production line according to claim 1, wherein: the device further comprises a storage unit, wherein the storage unit is in communication connection with the first acquisition module, the storage unit is in communication connection with the second acquisition module, and the storage unit is in communication connection with the data management module.
7. The multi-source heterogeneous data synchronous acquisition device for the intelligent production line according to claim 1, wherein: the device also comprises a communication unit which is in communication connection with the upper computer.
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