CN112000054A - Equipment monitoring system based on thing networking - Google Patents
Equipment monitoring system based on thing networking Download PDFInfo
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- CN112000054A CN112000054A CN202010890635.9A CN202010890635A CN112000054A CN 112000054 A CN112000054 A CN 112000054A CN 202010890635 A CN202010890635 A CN 202010890635A CN 112000054 A CN112000054 A CN 112000054A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/048—Monitoring; Safety
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0056—Systems characterized by the type of code used
- H04L1/0061—Error detection codes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
- H04L67/025—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP] for remote control or remote monitoring of applications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/06—Notations for structuring of protocol data, e.g. abstract syntax notation one [ASN.1]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/22—Parsing or analysis of headers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
A device monitoring system based on the Internet of things comprises a control terminal, a switching server and a plurality of industrial devices, wherein the control terminal and each industrial device are in communication connection with the switching server based on a data forwarding communication protocol, the data forwarding communication protocol is composed of a frame header, a message length, a device ID (identity), a target device ID identity, a data type identity, data content and Crc verification, each industrial device or control terminal sends a data message to the switching server, and the switching server identifies the target device ID identity and forwards the data message to the associated control terminal or industrial device; after receiving the data message, the control terminal or the industrial equipment intercepts the data message in a targeted manner through the frame header, the message length and Crc verification, and performs data classification and data analysis according to the data type identification and the data content. The invention can realize remote monitoring and control of a plurality of industrial devices and can improve the accuracy and speed of extracting the data messages.
Description
Technical Field
The invention relates to the technical field of data communication, in particular to an equipment monitoring system based on the Internet of things.
Background
With the progress of information technology, especially the rapid development of the internet, the real life increasingly depends on the internet, and thus the internet of things is born. At present, in order to collect data of industrial equipment and issue configuration information to the industrial equipment, a large number of industrial equipment need to be connected into the internet of things, so that an equipment monitoring system based on the internet of things is formed.
The traditional equipment monitoring system based on the internet of things is characterized in that a data acquisition module is in communication connection with an upper computer, data of industrial equipment are acquired through the data acquisition module and are transmitted to the upper computer, and a data receiving terminal is determined by the upper computer, however, because working environment factors of a workshop have uncertainty (such as instability of a wireless network, easiness in interference shielding of communication signals in the workshop and the like), the equipment monitoring system is extremely difficult to ensure the accuracy and stability of data transmission, communication between the industrial equipment and the upper computer adopts a general communication protocol, only directional receiving, analysis and data sending can be realized, the source and destination of the data cannot be judged, only a one-to-one communication control mode can be adopted between the industrial equipment and the upper computer, when configuration information needs to be issued to a large amount of industrial equipment, the workload is huge, and the working efficiency is low, the requirement of actual production cannot be met.
Disclosure of Invention
The technical problem to be solved by the invention is to provide an equipment monitoring system based on the Internet of things, which can realize remote monitoring and control of a plurality of industrial equipment, can improve the accuracy and speed of extracting data messages in network communication and is beneficial to improving the working efficiency. The technical scheme is as follows:
the utility model provides an equipment monitoring system based on thing networking which characterized in that: the system comprises a control terminal, a switching server and a plurality of industrial devices, wherein the control terminal and each industrial device are in communication connection with the switching server based on a data forwarding communication protocol, the data forwarding communication protocol is composed of a frame header, a message length, a device ID (identity), a target device ID (identity), a data type identity, data content and Crc verification, each industrial device or control terminal sends a data message to the switching server, and the switching server identifies the target device ID identity and forwards the data message to the control terminal or industrial device associated with the target device ID identity; after receiving the data message, the control terminal or the industrial equipment intercepts the data message in a target manner through the frame header, the message length and Crc verification, performs data classification and data analysis on the intercepted data message according to the data type identification and the data content, and determines the source of the data message according to the equipment ID identification in the received data message and uses the source as the target equipment ID identification of the new data message when forming the new data message.
In the data forwarding communication protocol, the device ID is used to identify a source device of a data packet, and the destination device ID is used to identify a destination device to which the data packet needs to be sent; the data type identifier is used to classify the data. The frame header and the message length are used for intercepting the data message in a target manner, if the length is enough to intercept the data message, the data message is checked, if the length is not enough, the data message is spliced with the next section of received data message and then intercepted to check, and then matching of Crc checking is carried out, so that the correctness and the usability of the section of the data message are determined, whether the data is lost or not is judged, and the accuracy and the speed of extracting the data message in network communication can be improved by adopting a mode of mutually combining the frame header, the data message length and Crc checking, so that the working efficiency is improved.
When the equipment monitoring system works and data of industrial equipment needs to be acquired, the equipment ID identification is associated with the industrial equipment, and the target equipment ID identification is associated with the control terminal; after receiving the data message from any industrial equipment, the switching server quickly forwards the data message to the control terminal; after receiving the data message, the control terminal intercepts the data message with a target according to the frame header and the message length, then carries out matching through Crc verification to determine the correctness and the availability of the data message, and finally carries out data classification and data analysis on the intercepted data message according to the data type identifier and the data content to know the data (such as working parameters) of each industrial device in real time so as to realize remote monitoring on each industrial device. When configuration information or a control instruction needs to be issued to the industrial equipment, the ID identification of the equipment is associated with the control terminal, the ID identification of the target equipment is associated with the industrial equipment, and after receiving a data message from the control terminal, the transfer server identifies the ID identification of the target equipment contained in the data message and quickly forwards the data message to the industrial equipment; after receiving the data message, the industrial equipment intercepts the data message with a target through a frame header and a message length, matches the data message through Crc verification, finally identifies a data type identifier and data content contained in the data message, classifies the data type and analyzes the data content, and realizes remote control of the industrial equipment; and then the industrial equipment can transmit a signal of successful control back to the control terminal through the transfer server, so that the industrial equipment can receive feedback of the controlled industrial equipment in real time when controlling the industrial equipment to know whether the current control action is finished or not. In addition, the device monitoring system can also realize linkage between the industrial devices through a data forwarding communication protocol, so that the device ID identification and the target device ID identification are respectively associated with the corresponding industrial devices, and the switching server quickly forwards the data message to the industrial device associated with the target device ID identification after receiving the data message from the industrial device associated with the device ID identification, thereby realizing linkage between the industrial devices (the linkage has bidirectional property). It should be particularly emphasized that, in the device monitoring system based on the data forwarding communication protocol, the forwarding server may be disposed anywhere outside the factory, each industrial device may be connected to the lan where the forwarding server is located in a wired manner, the communication between each industrial device and the forwarding server is wired, and the communication between the control terminal and the forwarding server may be wireless, that is, the control terminal may be far away from the forwarding server and the industrial device to control at any place with a network, which is much more stable than the control terminal controlling the industrial device through wireless communication because it is not affected by the factory environment.
In a preferred embodiment, the control terminal includes at least one of a mobile terminal, a computer, and a cloud platform. The mobile terminal can be a mobile phone, a tablet computer, a notebook computer and the like.
In a preferred scheme, the equipment monitoring system further comprises an exchanger, a router and a plurality of network interfaces, wherein each network interface is in communication connection with the exchanger, and the exchanger is in communication connection with the transfer server through the router; each industrial device is provided with a serial port-to-Ethernet module which is in communication connection with a corresponding network interface through a network cable. Each network interface can be installed at any corner of a workshop according to production requirements; as long as a network interface is arranged nearby, an operator only needs to electrically connect the signal output end of the serial port-to-Ethernet module on the industrial equipment with the corresponding network interface through a network cable. When the data of the industrial equipment needs to be collected, the data of the industrial equipment is transmitted to the switching server through the serial port-to-Ethernet module, the network cable, the network interface, the switch and the router in sequence, and the switching server quickly forwards the data message to the control terminal after receiving the data message from the control terminal. When configuration information or a control instruction needs to be issued to the industrial equipment, the switching server transmits a data message to a serial port-to-Ethernet module of the industrial equipment sequentially through the router, the switch, the network interface and the network cable after receiving the data message from the control terminal.
The equipment monitoring system is based on the data forwarding communication protocol, the control terminal can remotely monitor and control a plurality of industrial equipment through the switching server, end-to-end accurate control is realized, linkage among the industrial equipment can also be realized, and the data forwarding communication protocol adopts a mode of mutually combining a frame header, the length of a data message and Crc verification, so that the accuracy and the speed of extracting the data message in network communication can be improved, and the work efficiency is favorably improved. It should be particularly emphasized that, in the device monitoring system based on the data forwarding communication protocol, the forwarding server may be disposed anywhere outside the factory, each industrial device may be connected to the lan where the forwarding server is located in a wired manner, the communication between each industrial device and the forwarding server is wired, and the communication between the control terminal and the forwarding server may be wireless, that is, the control terminal may be far away from the forwarding server and the industrial device to control at any place with a network, which is much more stable than the control terminal controlling the industrial device through wireless communication because it is not affected by the factory environment.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention.
Fig. 2 is a logical block diagram of a data forwarding communication protocol according to the present invention.
Fig. 3 is a schematic structural diagram of a second embodiment of the present invention.
Detailed Description
Example one
As shown in fig. 1 and fig. 2, the device monitoring system based on the internet of things includes a control terminal 1, a transit server 2 and a plurality of industrial devices 3, wherein the control terminal 1 and each industrial device 3 are in communication connection with the transit server 2 based on a data forwarding communication protocol 4, and the data forwarding communication protocol 4 is composed of a frame header 41, a message length 42, a device ID identifier 43, a target device ID identifier 44, a data type identifier 45, data contents 46 and Crc verification 47; each industrial device 3 or control terminal 1 sends the data message to the transfer server 2, the transfer server 2 identifies the target device ID 44, and forwards the data message to the control terminal 1 or industrial device 3 associated with the target device ID 44; after receiving the data packet, the control terminal 1 or the industrial device 3 intercepts the data packet with a target through the frame header 41, the packet length 42, and the Crc verification 47, performs data classification and data analysis on the intercepted data packet according to the data type identifier 45 and the data content 46, and determines the source of the data packet according to the device ID identifier 43 in the received data packet and uses the source as the target device ID identifier 44 of the new data packet when forming a new data packet.
In this embodiment, the control terminal 1 includes a mobile terminal 11 and a cloud platform 12, and both the mobile terminal 11 and the cloud platform 12 are in communication connection with the transfer server 2 based on the data forwarding communication protocol 4. The mobile terminal 11 may be a mobile phone, a tablet computer, a notebook computer, etc.
The following briefly describes the working principle of the equipment monitoring system:
when data of the industrial equipment 3 needs to be acquired, the equipment ID identification 43 is associated with the industrial equipment 3, and the target equipment ID identification 44 is associated with the control terminal 1; after receiving the data message from any industrial equipment 3, the transfer server 2 quickly forwards the data message to the control terminal 1; after receiving the data packet, the control terminal 1 intercepts the data packet with a target through the frame header 41 and the packet length 42, matches the data packet through Crc verification 47 to determine the correctness and availability of the data packet, and finally performs data classification and data analysis on the intercepted data packet according to the data type identifier 45 and the data content 46 to know the data (such as working parameters) of each industrial device 3 in real time, thereby realizing remote monitoring of each industrial device 3.
When configuration information or a control instruction needs to be issued to the industrial equipment 3, the equipment ID identification 43 is associated with the control terminal 1, the target equipment ID identification 44 is associated with the industrial equipment 3, and the transfer server 2 quickly forwards the data message to the industrial equipment 3 after receiving the data message from the control terminal 1; after receiving the data message, the industrial device 3 intercepts the data message with a target through the frame header 41 and the message length 42, matches the data message through Crc verification 47, finally identifies the data type identifier 45 and the data content 46 contained in the data message, and performs data classification and data analysis on the intercepted data message, thereby realizing remote control on the industrial device 3; then, the industrial device 3 can transmit the signal of successful control back to the control terminal 1 through the data forwarding communication protocol 4 and the switching server 2, so that the industrial device 3 can receive the feedback of the controlled industrial device 3 immediately when controlling the industrial device 3 to know whether the current control action is completed.
When the linkage between the industrial devices 3 needs to be realized, the device ID identifier 43 and the target device ID identifier 44 can be associated with the corresponding industrial devices 3, and after receiving the data packet from the industrial device 3 associated with the device ID identifier 43, the transfer server 2 quickly forwards the data packet to the industrial device 3 associated with the target device ID identifier 44, thereby realizing the linkage between the industrial devices 3 (the linkage has bidirectional property).
Example two
Referring to fig. 3, in the case where the other parts are the same as those of the first embodiment, the difference is: the equipment monitoring system also comprises an exchanger 5, a router 6 and a plurality of network interfaces 7, wherein each network interface 7 is in communication connection with the exchanger 5, and the exchanger 5 is in communication connection with the transfer server 2 through the router 6; each industrial device 3 is provided with a serial port-to-ethernet module 31, and the serial port-to-ethernet module 31 is in communication connection with the corresponding network interface 7 through a network cable 8.
Each network interface 7 can be installed at any corner of a workshop according to production needs; as long as there is a network interface 7 nearby, the operator only needs to electrically connect the signal output end of the serial port-to-ethernet module 31 on the industrial device 3 with the corresponding network interface 7 through the network cable 8. When the data of the industrial equipment 3 needs to be collected, the data of the industrial equipment 3 sequentially passes through the serial port-to-ethernet module 31, the network cable 8, the network interface 7, the switch 5 and the router 6 to transmit the data to the switching server 2, and the switching server 2 rapidly forwards the data message to the control terminal 1 after receiving the data message from the control terminal 1. When configuration information or a control instruction needs to be issued to the industrial device 3, after receiving a data message from the control terminal 1, the transit server 2 transmits the data message to the serial port-to-ethernet module 31 of the industrial device 3 through the router 6, the switch 5, the network interface 7 and the network cable 8 in sequence.
In addition, it should be noted that the names of the parts and the like of the embodiments described in the present specification may be different, and the equivalent or simple change of the structure, the characteristics and the principle described in the present patent idea is included in the protection scope of the present patent. Various modifications, additions and substitutions for the specific embodiments described may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.
Claims (3)
1. The utility model provides an equipment monitoring system based on thing networking which characterized in that: the system comprises a control terminal, a switching server and a plurality of industrial devices, wherein the control terminal and each industrial device are in communication connection with the switching server based on a data forwarding communication protocol, the data forwarding communication protocol is composed of a frame header, a message length, a device ID (identity), a target device ID (identity), a data type identity, data content and Crc verification, each industrial device or control terminal sends a data message to the switching server, and the switching server identifies the target device ID identity and forwards the data message to the control terminal or industrial device associated with the target device ID identity; after receiving the data message, the control terminal or the industrial equipment intercepts the data message in a target manner through the frame header, the message length and Crc verification, performs data classification and data analysis on the intercepted data message according to the data type identification and the data content, and determines the source of the data message according to the equipment ID identification in the received data message and uses the source as the target equipment ID identification of the new data message when forming the new data message.
2. The internet of things-based equipment monitoring system according to claim 1, wherein: the control terminal comprises at least one of a mobile terminal, a computer and a cloud platform.
3. The internet of things-based equipment monitoring system according to claim 1 or 2, wherein: the equipment monitoring system also comprises an exchanger, a router and a plurality of network interfaces, wherein each network interface is in communication connection with the exchanger, and the exchanger is in communication connection with the switching server through the router; each industrial device is provided with a serial port-to-Ethernet module which is in communication connection with a corresponding network interface through a network cable.
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| CN202010890635.9A CN112000054B (en) | 2020-08-29 | 2020-08-29 | Equipment monitoring system based on thing networking |
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2020
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| CN102692897A (en) * | 2012-05-07 | 2012-09-26 | 西安中创物联科技有限公司 | Internet of Things based industrial equipment monitoring system and method thereof |
| CN103412520A (en) * | 2013-05-20 | 2013-11-27 | 浙江新能量科技有限公司 | Centralized monitoring system for energy of various kinds and monitoring method thereof |
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Denomination of invention: A Device Monitoring System Based on the Internet of Things Effective date of registration: 20230619 Granted publication date: 20230414 Pledgee: Bank of China Limited by Share Ltd. Shantou branch Pledgor: GUANGDONG WEIDA INTELLIGENT EQUIPMENT Co.,Ltd. Registration number: Y2023980044617 |