CN107395378A - A kind of Internet of Things intelligent monitor system based on 6LowPAN agreements - Google Patents
A kind of Internet of Things intelligent monitor system based on 6LowPAN agreements Download PDFInfo
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- CN107395378A CN107395378A CN201610315611.4A CN201610315611A CN107395378A CN 107395378 A CN107395378 A CN 107395378A CN 201610315611 A CN201610315611 A CN 201610315611A CN 107395378 A CN107395378 A CN 107395378A
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- 230000006854 communication Effects 0.000 claims abstract description 30
- 238000004891 communication Methods 0.000 claims abstract description 28
- 238000000034 method Methods 0.000 claims abstract description 25
- 238000007726 management method Methods 0.000 claims description 11
- 238000012545 processing Methods 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 8
- 230000005059 dormancy Effects 0.000 claims description 6
- 241000854291 Dianthus carthusianorum Species 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims 2
- 238000001514 detection method Methods 0.000 claims 1
- 239000002360 explosive Substances 0.000 claims 1
- 238000012856 packing Methods 0.000 claims 1
- 238000004321 preservation Methods 0.000 claims 1
- 238000004458 analytical method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 5
- 241001269238 Data Species 0.000 abstract 1
- 238000012544 monitoring process Methods 0.000 description 20
- 238000005516 engineering process Methods 0.000 description 11
- 238000003745 diagnosis Methods 0.000 description 7
- 230000008859 change Effects 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 5
- 238000012546 transfer Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 230000001419 dependent effect Effects 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000012634 fragment Substances 0.000 description 2
- 230000010365 information processing Effects 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 230000002452 interceptive effect Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000007958 sleep Effects 0.000 description 2
- FNMKZDDKPDBYJM-UHFFFAOYSA-N 3-(1,3-benzodioxol-5-yl)-7-(3-methylbut-2-enoxy)chromen-4-one Chemical compound C1=C2OCOC2=CC(C2=COC=3C(C2=O)=CC=C(C=3)OCC=C(C)C)=C1 FNMKZDDKPDBYJM-UHFFFAOYSA-N 0.000 description 1
- 241001062009 Indigofera Species 0.000 description 1
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- 238000004134 energy conservation Methods 0.000 description 1
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- 238000004880 explosion Methods 0.000 description 1
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- 238000005728 strengthening Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/04—Network management architectures or arrangements
- H04L41/044—Network management architectures or arrangements comprising hierarchical management structures
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/02—Standardisation; Integration
- H04L41/0213—Standardised network management protocols, e.g. simple network management protocol [SNMP]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
-
- 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
Abstract
The present invention discloses a kind of Internet of Things intelligent monitor system and method based on 6LowPAN agreements.System includes collector, repeater and server and client terminal.Collector has 12 data channel, signal wirelessly then can be transmitted into repeater from 6 numerals and 6 analog sensor gathered datas.Repeater manages collector by wireless telecommunications, and signal is transmitted to server by internet or LAN.Data are parsed and reduce and analyze and process by server, and original and analysis result data is stored to database.Client is the platform that client sees equipment state by internet or LAN.The method of the present invention includes wired and wirelessly be combined, and collector and repeater use IPV6 communications protocol using the wireless single-hop communication of 6LowPAN agreements between repeater and server, and server and client side is with IPV4 Internet protocols.Collector and repeater master-slave mode management, cluster formula topological structure is used between the two.
Description
Technical field
The present invention relates to a kind of sensor-based network technology of the Internet of Things intellectual monitoring based on 6LowPAN agreements, more particularly to
Communication software and hardware and correlation technique between data acquisition unit therein, data link, data server and client terminal.
Background technology
The basic thought of equipment running status monitoring and fault diagnosis comes from biomedical diagnostic, and it is with machine power
Based on, electronics, information theory, multi-crossed disciplines, the engineering technology of Multidisciplinary Integration.The method of fault diagnosis, means and
Content is enriched constantly, has developed into a new comprehensive cross discipline.Device real-time monitoring and intelligent fault diagnosis system
System is by advanced Electronic transducer technology, data communication transmission technology, large database application technology, Mechanical System Trouble diagnosis
Technology and computer technology etc. organically integrate a series of apply in related important production equipments and establish one kind can be
It is comprehensive to provide real-time, accurately and efficiently equipment management system for production and plant maintenance personnel.
At present, there are two class Remote Monitoring Technologies：First, the running status for the DCS system collecting device for passing through production equipment
Parameter is remotely monitored；Second, by installing radio sensing network come the operation conditions of remote monitor device.Both approaches
In the presence of great limitation, it is impossible to meet the needs of long-range monitoring of current production equipment and fault diagnosis.DCS system is in industry
Collection in production to equipment state is to use wire communication, substantially using 485 or HART communication agreement.Its main purpose
It is the implementation for the technique for ensureing production, rather than to plant maintenance and fault diagnosis.Because transmitting data using wired mode,
The sensor of installation（Observation station）Very limited, in-site installation is complicated, and the cost of installation is also very high.It is additionally, since and uses two-wire
Data transfer, data transmission bauds are limited.Therefore shape is run to equipment to realize using the DCS system technology commonly used in industry
The long-range monitoring of state is simultaneously improper.Common radio sensing network, including the skill using Zigbee and Wireless HART protocols
Art, the in-site installation and Cost Problems of above-mentioned DCS mode monitorings system can be avoided, still, common radio sensing network is deposited
Fatal the defects of：Poor real, volume of transmitted data are small, Modulatory character is poor, can not meet equipment fortune truly substantially
Row status monitoring, it can not more provide equipment fault diagnosis the commonly required mass data wanted.
The content of the invention
It is an object of the invention to provide a kind of system and side that remote real time monitoring is carried out suitable for equipment running status
Method.
The present invention is to solve DCS system in-site installation present in existing remote equipment operating state monitoring system is answered
It is miscellaneous, cost is high and data transmission bauds is slow, and the poor real of radio sensing network, the problems such as data volume is small.
In remote real time monitoring system of the present invention, including front end data acquisition device, intermediate data repeater, rear end
Server, and Terminal Server Client.Wherein front end data acquisition device provides 12 Data Input Interfaces and is connected with sensor（6
Individual digital signal input interface, 6 analog input interfaces）, the circuit design of collector has intrinsically safe explosion proof work(
Can, its power supply can both use self-powered（Such as battery powered）The power supply of guard grating scene can also be used.Data relay
Device circuit designs using no-spark is explosion-proof with flame proof；Data link has two communication modules：One wireless communication module and one
Individual wire communication module；Its wireless communication module is used to communicate with the collector of front end, and its wire communication module is used for and rear end
Server communicates.Back-end server at least has three functions：Data parse and processing, the renewal and maintenance of database, data
The processing of storehouse access request.Client is the access interface interface that client is provided on the computer of oneself by accessing server,
Client is capable of the operation conditions of real-time query and reproduction remote equipment by it.
Internet of Things intelligent monitoring method of the present invention, is comprised at least：The work of data acquisition unit and sleep management with
And the wireless telecommunications between data link, scheduling and management of the repeater to collector, repeater and server it
Between communication, data communication and information processing between user terminal and server.
Use and be based in remote real time monitoring method of the present invention, in the communication of data acquisition unit and repeater
The wireless communication mode of 6LowPAN agreements.The connected mode of wireless single-hop is used between collector and repeater, both facilitates scene
The installation of collector, and can ensure that the big data of collector collection is quickly sent to repeater.Repeater and server by with
Too net/LAN connection, using IPV6 UDP communications protocol so that the data on repeater can be largely rapidly from long distance
From equipment on pass to server.
In remote real time monitoring method of the present invention, dynamic order and management are carried out to collector using repeater,
So as to realize the maximum sleep of collector and energy-conservation, while ensure master ＆ slave control of the repeater to collector.Collector uses it
MAC Address be converted into unique sign that IPV6 addresses are used as the collector.Repeater with collector establish contact after,
Repeater will establish a routing table to record more attribute of each collector, including init state and current state etc..
Repeater will check the various features of collector when receiving the communication information of collector, include the power of wireless signal, currently
Should being performed to judge collector of the task such as network working condition what is, and instruction is transmitted to this node.
In remote real time monitoring method of the present invention, IPV6 addresses that repeater is converted using MAC Address and
Communication between given server, header is shorter, and more free Bytes length are saved for data transmission.In collector
The length of packet is not more than various routers in Ethernet and allows once to send the minimum length in maximum data packet, therefore in
After device or below router packet can be avoided excessive and need the demand repacked, improve the speed of data transfer
Degree.This communication uses udp protocol, avoids Transmission Control Protocol and does not possess the shortcomings that real-time in data transfer.Simultaneously in this hair
In bright, terminal user can remotely send instruction change by terminal program or server control program to some collector
The upload frequencies of data, the normal data without influenceing other collectors upload.Remote real time monitoring side of the present invention
In method, the data upload frequencies of collector are determined by using collector priority method for distinguishing is defined.All collectors
Default priorities are not 1, i.e.,：Within a scan period of repeater, collector uploads a data.When collector
Rank is 2 or 3, shows collector within a scan period of repeater, it should to upload 2 or 3 data.By that analogy.Often
Individual collector is recorded in the registration table of repeater, and one is distributed in the scan period when establishing communication with repeater
The period of individual fixation uploads to collector for data.When increasing collector upload frequencies, it is necessary to swept in the fixation of repeater
The corresponding uplink time section of addition in the cycle is retouched to open to secondary collector.Following equation is used for determining that collector is swept each
Retouch the period of the upload data in the cycle
Ct =mod{[tn+ round (i × m/p)], m }, or Ct =mod{[tn +1+round(i×m/p)], m}
Wherein Ct, tn, the time fragment position of the upload data after i, m, p, respectively collector upload frequencies change, collection
The time fragment position of default upload data before the change of device upload frequencies, calculating parameter (i=1 ..., n), repeater is one
Most quantity of collector should be accessed in the individual scan period, priority level, the limit priority that collector is set is other.round
() is bracket function, mod（x, y）It is to divide exactly remainder function.
In remote real time monitoring method of the present invention, server analysis program is according to certain rule by packet solution
Analyse and be stored in the correlation table of database, while whether analyze data triggers warning message.If triggering warning message,
Warning message will pass to operating personnel on the server by word, short message, mail and sound, with caused warning message
It is stored into database with by the inquiry of remote terminal user.
Advantages of the present invention：Mode of the invention based on front end wireless single-hop and rear end Ethernet is communicated, Ke Yizeng
The speed of strong data transfer, improve the real-time monitoring capability of system；And can be while in-site installation is simplified, strengthening system
Antijamming capability.In communication process, collector saves the energy consumption of collector directly to repeater operation.In information processing
In, the fault pre-alarming information of equipment can automatically generate and pass to associative operation personnel, and provide the user with interface and come more
Change the setting of the collector of system front end.
Brief description of the drawings
Fig. 1 is long-range monitoring Sensor Network application schematic diagram.
Fig. 2, Fig. 3 and Fig. 4 are that repeater of the present invention safeguards wireless network communication flow application schematic diagram.
Fig. 5 is that data acquisition unit of the present invention receives the handling process application schematic diagram after instruction.
Fig. 6 is that server of the present invention receives the basic handling flow application schematic diagram after uploading data.
Fig. 7 is that server receives upload data should after the present invention uploads gathered data frequency instruction using change collector
Use instance graph.
Embodiment
Below in conjunction with the accompanying drawings and example, the invention will be further described.
Radio sensing network shown in Fig. 1, the single-hop wireless network that including repeater be cluster head, collector is node
Cable network between network, repeater and server and other terminal users etc..Each repeater is specific using some
Communication frequency（Channel）Communicated wirelessly with collector in its cluster.Adjacent cluster uses non-interfering channel, inequality
Cluster ID and cipher word are so as to ensureing the accurate delivery of information in each cluster.
Fig. 2 show the repeater wireless network maintenance process schematic flow sheet of the present invention, and repeater is at regular intervals
The communication informations such as repeater IP address are included with regard to radio broadcasting, wait the response of data acquisition unit to add.When repeater receives
When the response of collector or notice, the state of this collector is judged at once and determines that dependent instruction issues collector.Sentence first
Whether disconnected collector has been added to wireless network, and the new collector not added will be registered in registration form by repeater, according to
The numbering of collector, repeater determine dormancy time of this collector in the position and sampling period in registration form, and just
Its other characteristic parameters of beginningization;After Fig. 3 receives the information of collector as sample displaying repeater, by they according to
Certain sequence arrangement uploads data, and the data uplink time of collector is not influenceed by its addition network time, but completely
Judged by repeater, so as to optimize the time management of whole system;The collector being registered for whether lost contact, if lost contact,
The number of current continuous lost contact is how many, and when the lost contact number of collector exceedes designated value, collector will be required to open again
Move to establish stable connection.If communication is normal, repeater will determine that whether are the current task of collector and current state
It is consistent；After the completion of the state analysis of collector, repeater sends corresponding instruction or test information to collector.When adopting
When storage should carry out dormancy, the dormancy time of collector is included in the instruction that repeater is sent.This dormancy time is that basis is adopted
The time that storage wakes up next time, last wakeup time, dormancy time and running time in registration form are calculated
Drawn after being adjusted with dynamic, to ensure the synchronous working of collector and repeater, and reduce the time to wait of collector.So as to
Reduce the overall power consumption of collector.The addition of collector individual and the resistance to overturning for exiting the system of not interfering with;In Fig. 4 displayings
After device multiple collectors add or exit or of short duration lost contact in the case of, still can stably handle dependent event, and can be accurate
Really in time by the data forwarding of collector to server.
Repeater is according to user's requirement set in advance, at the signal of the certain number of instruction acquisition device continuous acquisition
Reason, including integration etc., in being then sent to the statistical nature parameter of these data, including arithmetic average, maximin etc.
After device.Whenever measurement data after the processing that repeater receives certain number from collector, repeater connects instruction acquisition device
The continuous data for gathering some data and adding processing upload.
Fig. 5 show data acquisition unit and receives the handling process after instruction.First, it is determined that the letter received by udp port
Breath is from wireless network, or system provides, or the system clock that sets is sent.If the network information, adopt
After storage is parsed, make corresponding clock setting and processing.There is provided if information is system, typically carry out initialization process.
If being provided by system clock, by analysis provided by which clock, then operated accordingly.
Fig. 6 show server and receives the basic handling flow after uploading data.When server finds data receiver port
Have in the internal memory for taking out and being placed at once during data and specify.When data in EMS memory length meets or exceeds setting length, from interior
Deposit the middle data for taking out setting length（Operated according to the principle of first in first out）Parsed and handled.Data are stored up first
It is stored in the corresponding table of database, and transfers the associated technical parameters and management information of equipment associated with the data, according to equipment
Technical parameter and the state parameter that detects analyzed.If analysis result shows that equipment may break down, Huo Zheke
Can be nonserviceabled work, and system will produce dependent failure warning message, be stored in the corresponding table of database, fault pre-alarming point
It is yellow for indigo plant, orange and red level Four alarm, while according to the management information of this equipment to related operation and administrative staff with short message,
The modes such as mail give a warning information automatically.System can show and update in time in display screen to roll word on the server
All warning messages, while accompany the operator that server is reminded with audible alert.
The remote variable frequency technology that uses of the present invention shown in Fig. 7, after instruction acquisition device change data upload frequencies, server
The application case figure of the upload data for the different frequency being collected into.
It is above-mentioned to be used for illustrating the example of the principle of the invention, the limit in office that where should not be regarded as under formula to the scope of the invention
System.It will be understood by those skilled in the art that the principle of the present invention can be realized in the remote sensing net monitoring of any suitable laying.
Claims (10)
1. a kind of Internet of Things intelligent monitor system based on 6LowPAN agreements, it is characterised in that comprise at least：
（1）Data acquisition unit, connection installation numeral on the device or apparatus and analog sensor, and according to certain rule from biography
Sensor gathers and the state parameter of processing monitored equipment；
（2）Data link, using wireless communication mode and more than one data acquisition unit composition local radio network, and into
The work of each data acquisition unit distributed for the network cluster head, management under its person in servitude, and collect collector data while data are passed
To server；
（3）Data server receives, parsing and processing data repeater catch the various data come, and be saved in the number of server
According in storehouse；
（4）Client terminal, the reproduction of the running status of remote equipment, and the biography of equipment warning information are provided for terminal client
Pass.
2. a kind of Internet of Things intelligent monitor system based on 6LowPAN agreements as claimed in claim 1, it is characterised in that described
Data acquisition unit includes central processing unit, Peripheral clock, wireless receiving sending module, supply voltage detection module, essential safety
Explosion-proof electrical source circuit protection module and sensor interface module.
3. a kind of Internet of Things intelligent monitor system based on 6LowPAN agreements as claimed in claim 1, it is characterised in that described
Data link includes central processing unit, Peripheral clock, wireless receiving sending module, ethernet module, safety anti-explosive or flame proof
Circuit protection module.
4. a kind of Internet of Things intelligent monitor system based on 6LowPAN agreements as claimed in claim 1, it is characterised in that described
Data server includes data receiver, parsing, preservation, the generation of equipment state grading forewarning system information, management, user profile and
The server software program of equipment information management.
5. a kind of Internet of Things intelligent monitor system based on 6LowPAN agreements as claimed in claim 1, it is characterised in that described
Client terminal can be real-time and history run state soft by Ethernet or intranet query facility including the use of family
Part program.
6. a kind of Internet of Things intelligent monitor system based on 6LowPAN agreements, its method are characterised by comprising at least：
Using 6LowPAN wireless communication method, applied to the wireless telecommunications between data link and data acquisition unit；
Ethernet communication method based on IPV6, applied to the network communication between data link and data server；
Collector optimum management method, applied to the task that the collector under its person in servitude is produced and managed in data link；
Terminal user is allowed to be carried out by the terminal program or data server Program of system to the working condition of collector online
Adjustment.
7. a kind of Internet of Things intelligent monitor system based on 6LowPAN agreements as claimed in claim 6, the feature of its method exist
Wireless telecommunications between described data link and data acquisition unit use 6LowPAN agreements.
8. a kind of Internet of Things intelligent monitor system based on 6LowPAN agreements as claimed in claim 6, the feature of its method exist
Network communication wireless telecommunications between described data link and data server use IPV6 agreements.
9. a kind of Internet of Things intelligent monitor system based on 6LowPAN agreements as claimed in claim 6, the feature of its method exist
Include the collection of data, the processing of data, packing, dormancy etc. under normal circumstances all in the task of described data acquisition unit
It is managed by data link.
10. a kind of Internet of Things intelligent monitor system based on 6LowPAN agreements as claimed in claim 6, the feature of its method exist
Can in case of emergency allow terminal user by the terminal program of system in the task of described data acquisition unit or
Person's data server Program carries out on-line tuning to the working condition of collector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610315611.4A CN107395378A (en) | 2016-05-14 | 2016-05-14 | A kind of Internet of Things intelligent monitor system based on 6LowPAN agreements |
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| CN201610315611.4A CN107395378A (en) | 2016-05-14 | 2016-05-14 | A kind of Internet of Things intelligent monitor system based on 6LowPAN agreements |
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Family
ID=60338604
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| CN108134826A (en) * | 2017-12-20 | 2018-06-08 | 福州金掌柜电子商务有限公司 | A kind of multimode communicating control method |
| CN109495551A (en) * | 2018-10-31 | 2019-03-19 | 广西民族大学 | A kind of intelligent monitor system and its collecting method |
| CN113193879A (en) * | 2021-05-28 | 2021-07-30 | 慧感(上海)物联网科技有限公司 | Multi-interface-based explosion-proof industrial data transmission device and data transmission method thereof |
| CN113518360A (en) * | 2021-05-14 | 2021-10-19 | 浙江微科机电有限公司 | Internet of things intelligent networking monitoring system and networking method based on 6LowPAN protocol |
| CN113687609A (en) * | 2021-07-21 | 2021-11-23 | 浙江微科机电有限公司 | Intelligent monitoring system and monitoring method for Internet of things applied to abnormal environment |
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Application publication date: 20171124 |