Utility model content
The purpose of this utility model is the communication structure in order to provide a kind of thermal power plant information system to optimize, and has low cost, feature that efficiency of operation is high.
The purpose of this utility model can be achieved through the following technical solutions:
The communication structure that a kind of thermal power plant information system is optimized, comprise information processing centre, host exchange, video voice data integration system and gate control system, video voice data integration system is uploaded information with gate control system and is connected to host exchange, host exchange is uploaded information to information processing centre, and its design feature is:
1) information processing centre and host exchange connect and compose data double-way transfer structure;
2) host exchange is connected with one or more secondary switches, and described secondary switch is located at video monitoring regional and the gate control system region of on-site; Video monitor communication system is connected each secondary switch with gate control system by data wire, make video monitor communication system and gate control system and secondary switch set up bi-directional data transfer structure, and form the data double-way transfer structure between information processing centre by secondary switch connection host exchange;
3) video voice data integration system includes and is distributed in the one or more video surveillance points in each region, audio access point and data access point in factory, the signal output part of described video surveillance point, audio access point and data access point and the signal output part of gate control system are connected the input of each secondary switch, be sent to successively host exchange, information processing centre by secondary switch, form the communication structure of the thermal power plant information system optimization of centralized and unified control and management; Described video surveillance point adopts digital camera, and described audio access point adopts IP phone machine.
The purpose of this utility model can also be achieved through the following technical solutions:
Further, described host exchange comprises closed-circuit television core switch and gate inhibition's core switch.
Further, the secondary switch in the each region of described factory accesses closed-circuit television core switch and gate inhibition's core switch by terminal box.
Further, between described terminal box and host exchange, adopt four-core fiber to be connected.
Further, described terminal box adopts twelve-core optical fiber to be connected with secondary switch.
Further, described IP phone accesses secondary switch by netting twine.
The utility model has following outstanding advantages and remarkable result with respect to prior art:
1, the monitoring communications information of video voice data integration system of the present utility model and gate control system and management information are joined by secondary switch and host exchange, set up data double-way transmission, realize the optimization information system of power plants structure of centralized and unified control and management, therefore have make its cost low, take up room little, stablize the beneficial effects such as strong, interference-free.
2, the data point of comprehensive wiring and voice point in video voice data integration system of the present utility model and gate control system and factory, adopt same connecting line access switch, by switch link information processing center, greatly save the laying cost of system, take simultaneously and lay space.
3, each site of video monitor communication system of the present utility model and gate control system exchanges to connect by secondary and utilizes terminal box access host exchange, thereby the information system of power plants structure of having optimized entirety reduces the circuit of redundancy, has saved fiber cable laying cost.
4, telephone plant of the present utility model is made up of the IP phone on connecting system structure netting twine, reduces thus laying and the use cost of telephone wire.
5, the utility model is taked the multiplexing mode of switch at each auxiliary shop by video surveillance point, access control point and data message point and voice messaging point, to reduce the quantity of switch.
Embodiment
Below in conjunction with accompanying drawing, utility model is described in further detail.
With reference to Fig. 1, the communication structure that the thermal power plant information system that the present embodiment relates to is optimized, comprise information processing centre 1, host exchange 2, video voice data integration system 3 and gate control system 4, video voice data integration system 3 is uploaded information with gate control system 4 and is connected to host exchange 2, host exchange 2 is uploaded information to information processing centre 1, and information processing centre and host exchange connect and compose data double-way transfer structure; Host exchange is connected with one or more secondary switches, and described secondary switch is located at video monitoring regional and the gate control system region of on-site; Video monitor communication system is connected each secondary switch with gate control system by data wire, make video monitor communication system and gate control system and secondary switch set up bi-directional data transfer structure, and form the data double-way transfer structure between information processing centre by secondary switch connection host exchange; Video voice data integration system 3 includes and is distributed in the one or more video surveillance points 10 in each region, audio access point 9 and data access point 11 in factory, described video surveillance point 10, audio access point 9 and the signal output part of data access point 11 and the signal output part of gate control system are connected the input of each secondary switch 5, be sent to successively host exchange 2, information processing centre 1 by secondary switch 5, form the communication structure of the thermal power plant information system optimization of centralized and unified control and management; Described video surveillance point 10 adopts digital camera, described audio access point) 9 employing IP phone machines.Described digital camera, IP phone machine and the signal output part of data access point 11 and the signal output part of gate control system are connected the input of each secondary switch 5, be sent to successively host exchange 2, information processing centre 1 by secondary switch 5, form the communication structure of the thermal power plant information system optimization of centralized and unified control and management.
In embodiment:
Described host exchange 2 comprises closed-circuit television core switch 6 and gate inhibition's core switch 7.The secondary switch 5 in the each region of described factory accesses closed-circuit television core switch 6 and gate inhibition's core switch 7 by terminal box 8.Between described terminal box 8 and host exchange 2, adopt four-core fiber to be connected.Described terminal box 8 adopts twelve-core optical fiber to be connected with secondary switch 5.Described IP phone 9 accesses secondary switch 5 by netting twine.
According to the needs in plant area region, described host exchange 2 also includes closed-circuit television and gate inhibition's core switch 6.On closed-circuit television and gate inhibition's core switch 6 outlet lines, one or more terminal boxes 8 can be installed and carry out extended circuit, the secondary switch 5 in described each region accesses closed-circuit television core switch 6 and gate inhibition's core switch 7 by terminal box 8.This terminal box 8 connects with adopting twelve-core optical fiber and four-core fiber being connected of host exchange 1 and secondary switch 5, be that terminal box 8 adopts four-core fiber to dock with host exchange 2, terminal box 8 and secondary switch 5 twelve-core fiber alignments, described IP phone 9, accesses secondary switch 5 by netting twine.
In the time thermal power plant information system being optimized to design, mainly consider following method:
1) each video surveillance point of video monitoring system adopts totally digitilized video camera, realizes the total digitalization of video monitoring system;
2) telephone plant of full factory adopts IP phone equipment;
3) at each auxiliary shop, video surveillance point, access control point and network and voice messaging point are taked to the multiplexing mode of switch, to reduce the quantity of switch;
4) at each auxiliary shop by being connected between video surveillance point, access control point and network and voice messaging point and switch, connect by optical Fiber Closure, so that optical cable wiring is optimized.
Further, video monitoring system adopts digital equipment, and front-end camera is all linked into the core switch of video monitoring system by switch.
Further, multiplexing by switch, the video surveillance point of each auxiliary shop, data point and voice point are shared to a switch and be linked into the mainframe of video monitoring system, then be connected to mis system and communication system by optical Fiber Closure.
Further, shared to the video surveillance point of each auxiliary shop, a data point and voice point switch is linked into the mainframe of video monitoring system, comprises:
1) access-layer switch of the intrasystem video surveillance point of industrial wastewater and data point, voice point carries out multiplexingly, reduces the quantity of switch and the quantity of optical cable;
2) access-layer switch of the intrasystem video surveillance point in natural gas pressure regulating station and data point, voice point carries out multiplexingly, reduces the quantity of switch and the quantity of optical cable;
3) access-layer switch of the intrasystem video surveillance point of hydrogen generator station and data point, voice point carries out multiplexingly, reduces the quantity of switch and the quantity of optical cable;
4) access-layer switch of the intrasystem video surveillance point of water purification station and data point, voice point carries out multiplexingly, reduces the quantity of switch and the quantity of optical cable;
5) access-layer switch of the intrasystem video surveillance point of circulating pump room and data point, voice point carries out multiplexingly, reduces the quantity of switch and the quantity of optical cable.
The utility model is in the time of practical application, video monitoring system adopts digital equipment, in the each region of plant area, as in industrial wastewater region, each the place in region, natural gas pressure regulating station, hydrogen generator station region, water purification station region, circulating pump room region be respectively arranged with one or more access controllers 12 and digital camera 10, and in each region, be provided with one or more information points 11 and IP phone 9.Its connected mode is: the access controller 12 that each point distributes accesses access control case 13 by vision cable, then by four optical-fiber cable, access control case 13 and gate inhibition's core switch 7 is joined; Digital camera 10 is by six class eight core cable access secondary switches 5, join by 12 core optical cables and closed-circuit television core switch 6 again, between secondary switch 5 and closed-circuit television core switch 6 are connected, terminal box 8 is set, is convenient to closed-circuit television core switch 6 and expands more secondary switch 5 access ports; Described information point 11 and IP phone 9 comprise the telecommunications outlet and the IP phone socket that are distributed in each plant area region, telecommunications outlet and IP phone socket access secondary switches 5 by six class eight core cables, then join by 12 core optical cables and gate inhibition's core switch 7 and closed-circuit television core switch 6.Make full use of existing resource, avoid repeating laying, reduce the cost.
The utility model is established respectively one or more video surveillance points, access control point, data point and voice point in regions such as the industrial wastewater system of on-site, natural gas pressure regulating station system, hydrogen generator station system, water purification station system, circulating water pump house systems, multiplexing by switch, the video surveillance point of the each auxiliary shop of power plant, data point and voice point are shared to a secondary switch and be linked into the mainframe of video monitoring system, then be connected to information monitoring processing center 1 by optical Fiber Closure.
The utility model, connects by optical Fiber Closure being connected between video surveillance point, access control point and network and voice messaging point and switch at each auxiliary shop, to optical cable, wiring is optimized.Utilize effective connection of host exchange and secondary switch, adopt digitizer, effectively integrate thus the favourable resource in the each region of plant area, there is the quantity that reduces information system switch; Reduce the quantity of voice cable and optical cable and lay expense and the expense of optical cable welding; Reduce run duration, the expense of optical cable repair and maintenance; Improve the level of digital of Liao Quan factory information system.
The utility model technology has obtained good application in the project of multiple-supplying gas energy station, island, Hengqin, Zhuhai.In the project of the multiple-supplying gas energy station on island, Hengqin, city of Guangdong Province, 5 auxiliary shops have carried out integrated and switch multiplexing of information system therein, 5 of auxiliary shop access-layer switch are saved, reduce optical cable quantity 3Km, save the about 3Km of voice cable, reduced the expense of laying of language cable and optical cable and the welding expense of optical cable.Approximately 100,000 yuan of cost savings.After considering that full factory information system is optimized, the raising of the minimizing of repair and maintenance amount and information system level of digital, its overall efficiency is more considerable.