CN103726878A - Coal-mining industry Ethernet ring network device - Google Patents
Coal-mining industry Ethernet ring network device Download PDFInfo
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- CN103726878A CN103726878A CN201310635667.4A CN201310635667A CN103726878A CN 103726878 A CN103726878 A CN 103726878A CN 201310635667 A CN201310635667 A CN 201310635667A CN 103726878 A CN103726878 A CN 103726878A
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Abstract
The invention discloses a coal-mining industry Ethernet ring network device, belongs to the technical field of industry Ethernet ring networks, and aims to solve the problem that information of monitoring systems under a coal mine can not be intercommunicated. According to the technical scheme, the coal-mining industry Ethernet ring network device comprises a control ground Ethernet network module, an industry Ethernet ring network module and a subsystem field bus monitoring network module; the control ground Ethernet module located above the coal mine comprises a ground monitoring center and a core switch; the ground monitoring center controls and monitors the whole coal-mining industry Ethernet ring network device in a centralized mode; the industry Ethernet ring network module comprises underground switches located under the coal mine; the subsystem field bus monitoring network module comprises bus monitoring systems located under the coal mine; the ground monitoring center is connected to the core switch through optical fiber cables, the core switch is sequentially connected with gigabit optical ports of the underground switches through optical fiber cables, the core switch and the underground switches form a ring network, and the bus monitoring systems are connected to the underground switches through optical fiber cables.
Description
Technical field
The present invention relates to a kind of industrial ethernet ring network technical field, specifically coal industry field ethernet ring network device.
Background technology
The various monitoring systems of different manufacturers have been installed as Intelligent shot firing system under Safety monitoring system, personnel in the pit's positioning and checking attendance system, down-hole digital speech public address system, wireless telecommunication system, down-hole unmanned pump house system, electric substation's centralized control system, coal mine and to video monitoring system of down-hole important place etc. under coal mine.Above-mentioned various system is built in different times, uses different technology, and each system cannot be effectively integrated, separately in separate state.Each system all need to independently connect from centralized control center a communication line that passes to down-hole, cause a large amount of overlapping investment of communication line, maintenance, difficult in maintenance, information can not intercommunication, makes various monitoring information and automated system information can not well integrate, utilize.And communication line disunity, suspension difficulty is not attractive in appearance.
Ethernet (coal industry field ethernet ring network device th coal industry field ethernet ring network device rn coal industry field ethernet ring network device t) refers to the baseband LAN standard that is created and developed jointly by X coal industry field ethernet ring network device rox, Int coal industry field ethernet ring network device l and D coal industry field ethernet ring network device C company by X coal industry field ethernet ring network device rox company, is the most general communication protocol standard that current existing LAN adopts.Ethernet is used CSMA/CD(csma and collision detection) technology, and operate on polytype cable with the speed of 10M/S.
Be used in the Ethernet of industrial environment Industrial Ethernet, at present a lot of companies have all released the Industrial Ethernet of own definition application layer protocol, as the PROFINET of Siemens, and powerLINK of Bei Jialai etc.The topological structure of Industrial Ethernet can be bus, star-like, ring-like, forms ring-like Industrial Ethernet industrial ethernet ring network.
Industry ethernet ring network has the following advantages:
1, be widely used.Ethernet application is computer networking technology the most widely, nearly all programming discussion is as Visual C++, Java, VisualBasic etc. support the application and development of Ethernet, have huge network foundation and long-term Heuristics, and all popular operating system is also all compatible with Ethernet with application at present;
2, traffic rate is high: kilomega optic fiber looped network, branch also reaches 100,000,000.And traditional fieldbus flank speed only has 12Mbit/s, obviously Ethernet speed, than fast many of conventional on-site bus, can meet the ever-increasing bandwidth requirement of industrial control network completely;
3, resource sharing capability is strong: along with the development of network, Ethernet has been penetrated into each corner, the network user has removed the constraint on resource geographical position, the data that just can browse Industry Control scene in any calculating of linking internet realize " control integration ", and this is any on-the-spot one all incomparable;
4, sustainable development has a high potential: the favorable expandability of Ethernet, easily install open-mindedly, and and reliability is higher.Ethernet access adopts Asynchronous operation mode, is well suited for process IP bursty traffic.Ethernet turns to full duplex LAN exchange from sharing medium at present, has realized to a great extent the information isolation of intercomputer, has eliminated the competition of link bandwidth and potential collision opportunity, makes the transmission range of Ethernet also be expanded widely simultaneously.
If industrial ethernet ring network technology can be applied to, in the communication of each monitoring system under coal mine, can solve above-mentioned variety of issue.
summary of the invention
Technical assignment of the present invention is for above weak point, and solving under coal mine each monitoring system information can not intercommunication, the separately problem in separate state; Solution communication line is complicated, the problem of overlapping investment; Solved communication line disunity, hung difficult inaesthetic problem, the coal industry field ethernet ring network device in a kind of communication that ethernet technology is applied to each bus-type monitoring system under coal mine is provided.
The technical solution adopted for the present invention to solve the technical problems is:
Adopt the technology such as fiber optic communication, link redundancy, rapidly self-healing, set up open industrial digital network system, real-time Transmission monitoring, monitoring, voice, video information, for colliery comprehensive automation provides high-speed information channel, realized subtract people carry effect and scientific management.
Coal industry field ethernet ring network device, comprise management and control ground ethernet module, industrial ethernet ring network module and subsystem fieldbus monitoring network module, the management and control ground ethernet module being positioned in coal mine comprises ground monitoring center, core switch, and realize whole coal industry field ethernet ring network device centralized Control and supervision at ground monitoring center; Industry ethernet ring network module comprises the down-hole switch being positioned under coal mine; Subsystem fieldbus monitoring network module comprises each bus-type monitoring system being positioned under coal mine; Ground monitoring center is connected to core switch by optical fiber cable, core switch adopts optical fiber cable to be connected successively with the gigabit light mouth of each down-hole switch, make core switch become looped network with each down-hole switch, bus-type monitoring system is connected to down-hole switch by optical fiber cable; Signal and communication is realized by optical fiber cable and each bus-type monitoring system of core switch, down-hole switch and down-hole in ground monitoring center, between each bus-type monitoring system of down-hole, by optical fiber cable and down-hole switch, carries out signal and communication between mutually.
Described core switch is SICOM6000 model redundancy switch, and down-hole switch is SICOM3024 model redundancy switch.
Described bus-type monitoring system is Intelligent shot firing system, downhole video monitoring system under Safety monitoring system through Digitization Technology Remould, personnel in the pit's positioning and checking attendance system, down-hole digital speech public address system, wireless telecommunication system, down-hole unmanned pump house system, electric substation's centralized control system, coal mine.
The embedded interface that described bus-type monitoring system is passed through is connected to down-hole switch by optical fiber cable.
Described core switch becomes looped network with each down-hole switch, on 1 section of fiber optic cables in looped network, is provided with breakpoint.
So-called Digitization Technology Remould, for prior art, digitlization is exactly to change much information complicated and changeable into can measure numeral, data, with these numerals, data, set up suitable digital model again, they are changed into a series of binary codes, Import computer is inner, unifies to process digitized basic process that Here it is.Digitlization as the lines of picture or voice signal are converted into the unit of a string separation, represents the input of any continually varying in computer with 0 and 1.
Compared to the prior art coal industry field ethernet ring network device of the present invention, has the following advantages:
1, ethernet technology is applied in the communication of each bus-type monitoring system under coal mine, each bus-type monitoring system realizes information mutual communication, can real-time Transmission monitoring, monitoring, voice, video information;
2, adopt industrial ethernet ring network redundancy structure to realize network redundancy by setting up the fiber optic Ethernet structure of a ring-type, reduced network Single Point of Faliure, strengthened the survival ability of whole communication network under emergency case;
3, ethernet performance cost ratio is good, and initial cost and operation cost are all lower;
4, ethernet communication technology secondly, has avoided the cost of rewiring;
5, adopt after the control of automation collection, can reduce post work;
6,, because each security of system of setting up based on Industrial Ethernet and reliability increase, the indirect economic effect bringing for equipment management and business administration cannot be estimated; Thereby, have good value for applications.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is further described.
Accompanying drawing 1 is the structured flowchart of coal industry field ethernet ring network device.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
Embodiment 1:
Coal industry field ethernet ring network device of the present invention, its structure comprises management and control ground ethernet module, industrial ethernet ring network module and subsystem fieldbus monitoring network module, the management and control ground ethernet module being positioned in coal mine comprises ground monitoring center, core switch, and realize whole coal industry field ethernet ring network device centralized Control and supervision at ground monitoring center; Industry ethernet ring network module comprises the down-hole switch being positioned under coal mine; Subsystem fieldbus monitoring network module comprises each bus-type monitoring system being positioned under coal mine; Ground monitoring center is connected to core switch by optical fiber cable, core switch adopts optical fiber cable to be connected successively with the gigabit light mouth of each down-hole switch, make core switch become looped network with each down-hole switch, bus-type monitoring system is connected to down-hole switch by optical fiber cable; Signal and communication is realized by optical fiber cable and each bus-type monitoring system of core switch, down-hole switch and down-hole in ground monitoring center, between each bus-type monitoring system of down-hole, by optical fiber cable and down-hole switch, carries out signal and communication between mutually.
Embodiment 2:
Coal industry field ethernet ring network device of the present invention, its structure comprises management and control ground ethernet module, industrial ethernet ring network module and subsystem fieldbus monitoring network module, the management and control ground ethernet module being positioned in coal mine comprises ground monitoring center, core switch, and realize whole coal industry field ethernet ring network device centralized Control and supervision at ground monitoring center; Industry ethernet ring network module comprises the down-hole switch being positioned under coal mine; Subsystem fieldbus monitoring network module comprises each bus-type monitoring system being positioned under coal mine; Ground monitoring center is connected to core switch by optical fiber cable, core switch adopts optical fiber cable to be connected successively with the gigabit light mouth of each down-hole switch, make core switch become looped network with each down-hole switch, bus-type monitoring system is connected to down-hole switch by optical fiber cable; Signal and communication is realized by optical fiber cable and each bus-type monitoring system of core switch, down-hole switch and down-hole in ground monitoring center, between each bus-type monitoring system of down-hole, by optical fiber cable and down-hole switch, carries out signal and communication between mutually.
Core switch is SICOM6000 model redundancy switch, and down-hole switch is SICOM3024 model redundancy switch.
Core switch becomes looped network with each down-hole switch, on 1 section of fiber optic cables in looped network, is provided with breakpoint.
Down-hole switch is 4 SICOM3024 model redundancy switch, respectively central substation, No. 2 electric substations, three working section sub stations and-550 electric substations under position and coal mine.
During use, 1, become ring-like in switch physical connection;
While 2, working, whole network becomes looped network chain structure, and the one section of fiber optic cables that is provided with breakpoint are not transmit data, only transmit the data flow between hardware, is used for mutual notice state separately to other equipment.The state of other equipment oneself is known and notified at any time to each equipment on ring-like.
Once 3 have one section of network to break down, and close on exchange opportunity and notify other switches at once, in the extremely short time, this information will spread all over the whole network.
4, as the core switch of " root ", will carry out switching, be exactly originally not have that section of link that data are passed through to carry out transfer of data at once.Be 30 milliseconds whole switching time.Whole network is still chain duty, realizes redundancy.
5,, after the network restoration damaging, network recovery is to initialization state.
Embodiment 3:
Coal industry field ethernet ring network device, comprise management and control ground ethernet module, industrial ethernet ring network module and subsystem fieldbus monitoring network module, the management and control ground ethernet module being positioned in coal mine comprises ground monitoring center, core switch, and realize whole coal industry field ethernet ring network device centralized Control and supervision at ground monitoring center; Industry ethernet ring network module comprises the down-hole switch being positioned under coal mine; Subsystem fieldbus monitoring network module comprises each bus-type monitoring system being positioned under coal mine; Ground monitoring center is connected to core switch by optical fiber cable, core switch adopts optical fiber cable to be connected successively with the gigabit light mouth of each down-hole switch, make core switch become looped network with each down-hole switch, bus-type monitoring system is connected to down-hole switch by optical fiber cable; Signal and communication is realized by optical fiber cable and each bus-type monitoring system of core switch, down-hole switch and down-hole in ground monitoring center, between each bus-type monitoring system of down-hole, by optical fiber cable and down-hole switch, carries out signal and communication between mutually.
Core switch is SICOM6000 model redundancy switch, and down-hole switch is SICOM3024 model redundancy switch.
Bus-type monitoring system is Intelligent shot firing system, downhole video monitoring system under Safety monitoring system through Digitization Technology Remould, personnel in the pit's positioning and checking attendance system, down-hole digital speech public address system, wireless telecommunication system, down-hole unmanned pump house system, electric substation's centralized control system, coal mine.
The embedded interface that bus-type monitoring system is passed through is connected to down-hole switch by optical fiber cable.
Core switch becomes looped network with each down-hole switch, on 1 section of fiber optic cables in looped network, is provided with breakpoint.
Down-hole switch is 4 SICOM3024 model redundancy switch, respectively central substation, No. 2 electric substations, three working section sub stations and-550 electric substations under position and coal mine.
Ground monitoring center utilizes in Fibre Optical Communication Technology and industrial ethernet ring network technical transmission coal mine, real time data information and the control command of each key link bus-type monitoring system of down-hole, and connect various bus-type monitoring systems by embedded interface, can deal with data, the various multimedia messages such as voice, video, figure; Ground monitoring center not only can see that bus-type monitoring system is caught next various parameters and chart, figure etc. can also the interactive industrial television pictures of observing arbitrarily corresponding underground equipment.Take information integrated platform as core, based on a minute face formula real-time data base, OPC technology, industrial configuration technology, independent development configuration software, the WEB that has realized the seamless integrated of each down-hole bus-type monitoring system and safety in production real time data browses and shows.
To the original Safety monitoring system in down-hole, personnel in the pit's positioning and checking attendance system, down-hole digital speech public address system, wireless telecommunication system, down-hole unmanned pump house system, electric substation's centralized control system, Intelligent shot firing system under coal mine, downhole video monitoring system is carried out Digitization Technology Remould, reduced each bus-type monitoring system operation cost, improved each bus-type monitoring system safety and reliability, by the standardization of interface and agreement, realize the interconnection of each bus-type monitoring system, guaranteed the stable of former bus-type monitoring system, safe operation, by optical fiber ring network, realized remote signalling, remote control, the function of remote measurement, realized information sharing.
By the specific embodiment above, described those skilled in the art can be easy to realize the present invention.But should be appreciated that the present invention is not limited to three kinds of above-mentioned specific embodiment.On the basis of disclosed embodiment, described those skilled in the art can be combined different technical characterictics, thereby realize different technical schemes.
Claims (5)
1. coal industry field ethernet ring network device, it is characterized in that comprising management and control ground ethernet module, industrial ethernet ring network module and subsystem fieldbus monitoring network module, the management and control ground ethernet module being positioned in coal mine comprises ground monitoring center, core switch, and realize whole coal industry field ethernet ring network device centralized Control and supervision at ground monitoring center; Industry ethernet ring network module comprises the down-hole switch being positioned under coal mine; Subsystem fieldbus monitoring network module comprises each bus-type monitoring system being positioned under coal mine; Ground monitoring center is connected to core switch by optical fiber cable, core switch adopts optical fiber cable to be connected successively with the gigabit light mouth of each down-hole switch, make core switch become looped network with each down-hole switch, bus-type monitoring system is connected to down-hole switch by optical fiber cable; Signal and communication is realized by optical fiber cable and each bus-type monitoring system of core switch, down-hole switch and down-hole in ground monitoring center, between each bus-type monitoring system of down-hole, by optical fiber cable and down-hole switch, carries out signal and communication between mutually.
2. coal industry field ethernet ring network device according to claim 1, is characterized in that core switch is SICOM6000 model redundancy switch, and down-hole switch is SICOM3024 model redundancy switch.
3. coal industry field ethernet ring network device according to claim 1, is characterized in that bus-type monitoring system is for Intelligent shot firing system, downhole video monitoring system under the Safety monitoring system through Digitization Technology Remould, personnel in the pit's positioning and checking attendance system, down-hole digital speech public address system, wireless telecommunication system, down-hole unmanned pump house system, electric substation's centralized control system, coal mine.
4. coal industry field ethernet ring network device according to claim 1, is characterized in that the embedded interface that bus-type monitoring system is passed through is connected to down-hole switch by optical fiber cable.
5. coal industry field ethernet ring network device according to claim 1, is characterized in that core switch becomes looped network with each down-hole switch, is provided with breakpoint on 1 section of fiber optic cables in looped network.
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104314615A (en) * | 2014-09-03 | 2015-01-28 | 山西阳光三极科技有限公司 | Mine safety monitoring system |
| CN104615115A (en) * | 2015-02-06 | 2015-05-13 | 淮北朔里矿业有限责任公司 | Digital integrated remote training fault diagnosis system and method for production system |
| CN104699052A (en) * | 2015-02-12 | 2015-06-10 | 杨杰 | Remote training, fault diagnosis system of production system and implementation method thereof |
| CN105240051A (en) * | 2015-10-10 | 2016-01-13 | 成都金自天正智能控制有限公司 | Field bus mine measurement and control system |
| CN106814671A (en) * | 2017-03-24 | 2017-06-09 | 福建英格尔电气设备有限公司 | Underground engineering operational management integrated monitoring apparatus |
| CN107725109A (en) * | 2017-10-16 | 2018-02-23 | 中国恩菲工程技术有限公司 | For the loop network system in sub-terrain mines stage casing and the method for building the loop network system |
| CN108055512A (en) * | 2017-12-30 | 2018-05-18 | 中煤科工集团上海有限公司 | Mating long distance tunnel continuous conveyor system monitoring and control device after a kind of shield |
| CN108241323A (en) * | 2018-01-17 | 2018-07-03 | 煤炭科学技术研究院有限公司 | A kind of Coal Mine Communication subsystem, communication means and Coal Mine Communication integrated system |
| CN108958172A (en) * | 2018-06-26 | 2018-12-07 | 河海大学常州校区 | A kind of electrofluidic control device and system based on Powerlink service grid environment |
| CN110195614A (en) * | 2019-06-06 | 2019-09-03 | 平安开诚智能安全装备有限责任公司 | A kind of coal mine safety monitoring alarm control system |
| CN110398943A (en) * | 2019-07-17 | 2019-11-01 | 上海电机学院 | A kind of multi-layer three-dimensional experiment platform of control system and its building method |
| CN114400779A (en) * | 2022-01-18 | 2022-04-26 | 上海山源电子科技股份有限公司 | Rapid networking system and rapid networking method for underground unattended substation |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060010112A1 (en) * | 2004-07-09 | 2006-01-12 | Microsoft Corporation | Using a rowset as a query parameter |
| US20080137589A1 (en) * | 2006-07-10 | 2008-06-12 | Barrett James P | Wireless mine tracking, monitoring, and rescue communications system |
| CN202611765U (en) * | 2012-04-19 | 2012-12-19 | 南京太西天溯信息技术有限公司 | Safety monitoring system in mining |
| CN203084738U (en) * | 2012-12-20 | 2013-07-24 | 江苏三恒科技股份有限公司 | Downhole positioning system for coal mine |
| CN103321640A (en) * | 2013-05-31 | 2013-09-25 | 武汉七环电气股份有限公司 | Intelligent mine information integrated system based on wireless network |
| CN203822378U (en) * | 2013-12-03 | 2014-09-10 | 山东金阳矿业集团有限公司 | Coal-mining industry Ethernet ring network device |
-
2013
- 2013-12-03 CN CN201310635667.4A patent/CN103726878A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060010112A1 (en) * | 2004-07-09 | 2006-01-12 | Microsoft Corporation | Using a rowset as a query parameter |
| US20080137589A1 (en) * | 2006-07-10 | 2008-06-12 | Barrett James P | Wireless mine tracking, monitoring, and rescue communications system |
| CN202611765U (en) * | 2012-04-19 | 2012-12-19 | 南京太西天溯信息技术有限公司 | Safety monitoring system in mining |
| CN203084738U (en) * | 2012-12-20 | 2013-07-24 | 江苏三恒科技股份有限公司 | Downhole positioning system for coal mine |
| CN103321640A (en) * | 2013-05-31 | 2013-09-25 | 武汉七环电气股份有限公司 | Intelligent mine information integrated system based on wireless network |
| CN203822378U (en) * | 2013-12-03 | 2014-09-10 | 山东金阳矿业集团有限公司 | Coal-mining industry Ethernet ring network device |
Non-Patent Citations (1)
| Title |
|---|
| 范高贤等: "光纤工业以太环网在煤矿安全监控***中的应用", 《工矿自动化》, no. 6, 31 December 2007 (2007-12-31), pages 108 - 110 * |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104314615A (en) * | 2014-09-03 | 2015-01-28 | 山西阳光三极科技有限公司 | Mine safety monitoring system |
| CN104615115A (en) * | 2015-02-06 | 2015-05-13 | 淮北朔里矿业有限责任公司 | Digital integrated remote training fault diagnosis system and method for production system |
| CN104699052A (en) * | 2015-02-12 | 2015-06-10 | 杨杰 | Remote training, fault diagnosis system of production system and implementation method thereof |
| CN104699052B (en) * | 2015-02-12 | 2017-06-09 | 杨杰 | A kind of remote training of production system, fault diagnosis system and its implementation |
| CN105240051A (en) * | 2015-10-10 | 2016-01-13 | 成都金自天正智能控制有限公司 | Field bus mine measurement and control system |
| CN106814671A (en) * | 2017-03-24 | 2017-06-09 | 福建英格尔电气设备有限公司 | Underground engineering operational management integrated monitoring apparatus |
| CN107725109A (en) * | 2017-10-16 | 2018-02-23 | 中国恩菲工程技术有限公司 | For the loop network system in sub-terrain mines stage casing and the method for building the loop network system |
| CN108055512A (en) * | 2017-12-30 | 2018-05-18 | 中煤科工集团上海有限公司 | Mating long distance tunnel continuous conveyor system monitoring and control device after a kind of shield |
| CN108241323A (en) * | 2018-01-17 | 2018-07-03 | 煤炭科学技术研究院有限公司 | A kind of Coal Mine Communication subsystem, communication means and Coal Mine Communication integrated system |
| CN108958172A (en) * | 2018-06-26 | 2018-12-07 | 河海大学常州校区 | A kind of electrofluidic control device and system based on Powerlink service grid environment |
| CN110195614A (en) * | 2019-06-06 | 2019-09-03 | 平安开诚智能安全装备有限责任公司 | A kind of coal mine safety monitoring alarm control system |
| CN110398943A (en) * | 2019-07-17 | 2019-11-01 | 上海电机学院 | A kind of multi-layer three-dimensional experiment platform of control system and its building method |
| CN114400779A (en) * | 2022-01-18 | 2022-04-26 | 上海山源电子科技股份有限公司 | Rapid networking system and rapid networking method for underground unattended substation |
| CN114400779B (en) * | 2022-01-18 | 2022-11-04 | 上海山源电子科技股份有限公司 | Rapid networking system and rapid networking method for underground unattended substation |
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Application publication date: 20140416 |