CN201557120U - Campus computer network adaptable to lightning protection - Google Patents
Campus computer network adaptable to lightning protection Download PDFInfo
- Publication number
- CN201557120U CN201557120U CN2009202916214U CN200920291621U CN201557120U CN 201557120 U CN201557120 U CN 201557120U CN 2009202916214 U CN2009202916214 U CN 2009202916214U CN 200920291621 U CN200920291621 U CN 200920291621U CN 201557120 U CN201557120 U CN 201557120U
- Authority
- CN
- China
- Prior art keywords
- concentrator
- network
- links
- switch
- thunder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Elimination Of Static Electricity (AREA)
Abstract
The utility model relates to a campus computer network suitable for lightning protection, which comprises a router, a switch, a first concentrator and an optical fiber concentrator, wherein the switch is connected with the router; the first concentrator is connected with the switch; and the optical concentrator is connected with the switch through optical fibers. The campus computer network is characterized in that the router is connected with a wide area network through a first RJ45 signal lightning arrestor; the switch is respectively connected with a first server and a second server through a first network lightning arrestor and a second network lightning arrestor; the optical fiber concentrator is connected with a first work station through a second RJ45 signal lightning arrestor; the first concentrator is connected with a second concentrator through an aerial double-stranded wire; a wire outlet interface end of the first concentrator is connected in series with a third RJ45 signal lightning arrestor; an wire inlet interface end of the second concentrator is connected in series with a fourth RJ45 signal lightning arrestor; and the second concentrator is respectively connected with a second work station and a third work station through a fifth RJ45 signal lightning arrestor and a sixth RJ45 lightning arrestor.
Description
Technical field
The utility model relates to a kind of computer network, is specifically related to a kind of campus computer network that is suitable for lightning protection.
Background technology
Along with the foundation and the operation of each campus network, the Environmental security of campus network more and more comes into one's own.Environmental security mainly comprises the lightning protection of computer network facility and auxiliary facility and antitheft, the safety of information, safety of running environment etc.
Modern shocking preventing technology comprises building lightning protection and electric equipment security protection two large divisions, emphasizes comprehensive protection, the comprehensive regulation, and the principle of setting up defenses in depth is regarded lightning protection as a system engineering.This is because the damaging effect of thunder and lightning not only shows the direct lightning strike aspect, also shows the popularity and the seriousness aspect of thunder and lightning electronic impulse harm.Both at home and abroad the lightning protection scientific worker is through for many years theoretical research and a large amount of scientific practices, and think that the approach of network systems such as thunder and lightning intrusion monitoring, computer, communication mainly contains four aspects: 1, power-supply system is introduced; 2, signal transmission passage is introduced; 3, earth potential counterattack; 4, shield the direct influence of the bad Lightning Electromagnetic Pulse that causes because of machine room.
In order to ensure calculator room equipment and the reliable and stable operation of network system and ensure that the machine room staff has safe operational environment; except setting up good lightning rod; outside the lighting proof strip; also must carry out reliable and effective protection, all do complete multi-level protection in six broad aspect such as interception, shunting, equilibrium, shielding, ground connection, wirings at all machine rooms such as the power-supply system (all power supply units, power consumption equipment, power plant for emergency) in building, antenna-feedback system, signals collecting transmission system, program controlled systems.
The protection of induction thunder should on electromagnetic shielding and equipotential connection basis, be protected layer by layer according to the approach of induction thunder intrusion.Mainly be divided into the connection of grounding system and equipotential, power-supply system protection, three main aspects of signal system protection.
During lightning strike, the thunder and lightning energy enters computer network system by modes such as various coupling mechanisms (electric current coupling, inductance coupling high, capacitive coupling), electromagnetic impulse radiation and earth potential counterattacks along supply line, communication line, network line and metal pipe line.
The utility model content
The technical problems to be solved in the utility model provides a kind of simple in structure, campus computer network of being suitable for lightning protection, with the loss of avoiding thunder and lightning to bring.
In order to solve the problems of the technologies described above, the utility model provides a kind of campus computer network that is suitable for lightning protection, and it comprises: router, the switch that links to each other with router, first hub that links to each other with switch and the fibre concentrator that links to each other with switch by optical fiber; Be characterized in: router links to each other with wide area network by a RJ45 siganl thunder-proof device, switch links to each other with second server with first server respectively with the second network ' s thunder device by the first network ' s thunder device, and fibre concentrator links to each other with first work station through the 2nd RJ45 siganl thunder-proof device.
Further, described first hub links to each other with second hub through built on stilts twisted-pair feeder, and the outlet interface end of first hub is serially connected with the 3rd RJ45 siganl thunder-proof device, and the inlet wire interface end of second hub is serially connected with the 4th RJ45 siganl thunder-proof device.
Further, described second hub links to each other with the 3rd work station with second work station with the 6th RJ45 siganl thunder-proof device by the 5th RJ45 siganl thunder-proof device respectively.
1), network system and transient overvoltage protection design technique scheme of the present utility model has the following advantages compared to existing technology: the lightning Protection Design scheme that is suitable for the campus computer network of lightning protection of the present utility model:; The network system overvoltage protection must use the electromagnetic compatibility principle protection of network communicating system part to be summed up in the point that the atmospheric over voltage protection of system's overall situation.The residing building of network service electronic equipment is as the area of space of desire protection, from the angle of electromagnetic compatibility, in be divided into several lightning protected districts, the order of severity of dashing (LEMP) with the different thunder and lightning magnetic fat in regulation each several part space.According to the division requirement in lightning protected district, the outside directly zone of thunder of machine room building, the equipment in this zone subjects to infringement, and danger is the highest, is exposed region, is 0 zone; According to interior of building and computer present position, but it is divided into 1 district, 2 districts, past more inside, and degree of danger is low more, and lightning overvoltage mainly is that pass along the line is gone into to internal electronic equipment.The interface of protection zone forms by the lightning-protection system of outside, the armored concrete of building and the shielding that metal constitutes.Electrical path and metal tube pass the member in lightning protected districts at different levels and must do the equipotential connection at each crossing point then by these interfaces.Computer network central machine room master switch is installed single-phase module formula power arrester, and model: REP-D220M3 protects as the third level; Computer network central machine room ups power is installed the special-purpose lightning protection device of single phase poaer supply UPS, and model is REP-D220UPSB, as the meticulous level protection of machine room valuable equipment; Power devices adopts Thunder preventing socket, and model REP-D220CK is as the meticulous level protection of computer network facility.The network trunk line is installed trunk line lightning arrester (Leased line lightning arrester), model REP-X04-ZX, and interface is by the actual conditions preparation.Computer center's machine room network switch signal line is installed the network signal lightning arrester, and 24 mouthfuls of integrated network signal lightning arresters are installed, and model: REP-24RJ45E100 protects each port.Six of computer floors should lay fully metallic shield net, and the even and many places of annular earth bus link to each other in gauze screen and the machine room.Power cable (line), telecommunication cable (line) in the machine room should adopt shielded type cable daytime.Overhead power transmission line be because terminal pole should be replaced by shielded type cable after drawing down, and entering before the building should be more than the horizontal direct-burried 50m, should be greater than 0.6m, and screen two-terminal-grounding, unshielded cable should be worn galvanized iron conduit also more than the horizontal direct-burried 50m, iron pipe ground connection.
Description of drawings
For the easier quilt of content of the present utility model is clearly understood, below the specific embodiment and in conjunction with the accompanying drawings of basis, the utility model is described in further detail, wherein
Fig. 1 is the structured flowchart that is suitable for the campus computer network of lightning protection of the present utility model.
Embodiment
See Fig. 1, the campus computer network that is suitable for lightning protection of present embodiment comprises: router, the switch that links to each other with router, first hub that links to each other with switch and the fibre concentrator that links to each other with switch by optical fiber; Be characterized in: router links to each other with wide area network by a RJ45 siganl thunder-proof device, switch links to each other with second server with first server respectively with the second network ' s thunder device by the first network ' s thunder device, and fibre concentrator links to each other with first work station through the 2nd RJ45 siganl thunder-proof device.
Described first hub links to each other with second hub through built on stilts twisted-pair feeder, and the outlet interface end of first hub is serially connected with the 3rd RJ45 siganl thunder-proof device, and the inlet wire interface end of second hub is serially connected with the 4th RJ45 siganl thunder-proof device.
Described second hub links to each other with the 3rd work station with second work station with the 6th RJ45 siganl thunder-proof device by the 5th RJ45 siganl thunder-proof device respectively.
In order to ensure calculator room equipment and the reliable and stable operation of network system and ensure that the machine room staff has safe operational environment; except setting up good lightning rod; outside the lighting proof strip; also must carry out reliable and effective protection, all do complete multi-level protection in six broad aspect such as interception, shunting, equilibrium, shielding, ground connection, wirings at all machine rooms such as the power-supply system (all power supply units, power consumption equipment, power plant for emergency) in building, antenna-feedback system, signals collecting transmission system, program controlled systems.
For realizing the lightning protection of special-purpose distribution box of computer room or machine room UPS, need before special-purpose distribution box of machine room or machine room UPS, lightning protection box to be installed and do third level protection, every phase maximum discharge current is 15kA.
In order to prevent the radiated interference of Lightning Electromagnetic Pulse to the electronics machine room, improve the screening effectiveness of electronics machine room, at first improve electromagnetic environment, large-sized metalwork that all and building are combined, comprise: chute, frame (or casing), metallic communications pipeline, metal door and window and other metal pipe lines, all answer equipotential to link together, and link to each other with lightning protection device, and should be with the end face of electronics machine room, metope, door and window is made Shielding Design, various pipes, the line that passes these equipotential planes is carried out equipotential with these faces be connected.
Draw thunder is a kind of the safest Lightning Protection that present science and technology development level is adopted with going into, so the quality of grounding system will directly influence lightning protection effect.The lightning protection rules regulation of the every profession and trade of China: lightning protection resistance requires less than 10 Ω; Electrical grounding resistance is less than 4 Ω; When adopting the joint grounding mode, earth resistance is less than 1 Ω.
Power cable should be introduced indoor with burying, and burying ground length should be greater than 15m.Before the power distribution cabinets at different levels of power-supply system and important power consumption equipment respective electrical should be installed come through voltage protector; press the principle of protection, classification earial drainage layer by layer; divide each interface in district in lightning protection and divide corresponding cascade protection; be preferably three grades of protection even more; to reduce the energy of lightning current effectively, restriction thunderbolt high-voltage pulse makes it less than protected equipment ability to bear; thereby effectively prevent lightning wave to invade, protection power supply, electricity consumption facility from power-supply system.Usually the protection zone is divided into: LPZ0A, LPZ0B, LPZ1, LPZ2, LPZ3......, lightning protection device is installed on the protection interface of each subregion by the size of the energy of releasing, or near at the interface.
The output interface of computer network system main frame and server needs to be connected with network through the signal surge protector, and control signal is connected with network through the signal surge protector or outwards transmits.Communication system, overhead system, computer network holding wire are introduced indoor through poling (ground connection), connect the signal surge protector at the place of registering one's residence.
Obviously, the foregoing description only is for the utility model example clearly is described, and is not to be qualification to execution mode of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give exhaustive to all execution modes.And these belong to conspicuous variation or the change that spirit of the present utility model extended out and still are among the protection range of the present utility model.
Claims (3)
1. a campus computer network that is suitable for lightning protection comprises: router, the switch that links to each other with router, first hub that links to each other with switch and the fibre concentrator that links to each other with switch by optical fiber; It is characterized in that: router links to each other with wide area network by a RJ45 siganl thunder-proof device, switch links to each other with second server with first server respectively with the second network ' s thunder device by the first network ' s thunder device, and fibre concentrator links to each other with first work station through the 2nd RJ45 siganl thunder-proof device.
2. the campus computer network that is suitable for lightning protection according to claim 1, it is characterized in that: described first hub links to each other with second hub through built on stilts twisted-pair feeder, and the outlet interface end of first hub is serially connected with the 3rd RJ45 siganl thunder-proof device, and the inlet wire interface end of second hub is serially connected with the 4th RJ45 siganl thunder-proof device.
3. the campus computer network that is suitable for lightning protection according to claim 2 is characterized in that: described second hub links to each other with the 3rd work station with second work station with the 6th RJ45 siganl thunder-proof device by the 5th RJ45 siganl thunder-proof device respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202916214U CN201557120U (en) | 2009-12-09 | 2009-12-09 | Campus computer network adaptable to lightning protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202916214U CN201557120U (en) | 2009-12-09 | 2009-12-09 | Campus computer network adaptable to lightning protection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201557120U true CN201557120U (en) | 2010-08-18 |
Family
ID=42616809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202916214U Expired - Fee Related CN201557120U (en) | 2009-12-09 | 2009-12-09 | Campus computer network adaptable to lightning protection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201557120U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102523096A (en) * | 2011-12-19 | 2012-06-27 | 江苏奇异点网络有限公司 | Grade-two lightning protection switch |
-
2009
- 2009-12-09 CN CN2009202916214U patent/CN201557120U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102523096A (en) * | 2011-12-19 | 2012-06-27 | 江苏奇异点网络有限公司 | Grade-two lightning protection switch |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101685955B (en) | Base station lightning protection system | |
| CN203037747U (en) | Tower lightning monitoring system | |
| CN204597473U (en) | The indoor 7 grades of lightning-protection systems of a kind of network center machine room | |
| CN201557120U (en) | Campus computer network adaptable to lightning protection | |
| CN206878459U (en) | A kind of electric-power metering comprehensive protection device | |
| CN207098608U (en) | A kind of intellectual monitoring protection device of surge protector | |
| CN200949462Y (en) | Compound logging instrument with lightning protection system | |
| CN201689732U (en) | High-shielding performance five-core cable | |
| CN205265113U (en) | Ground system of transformer substation | |
| CN103050957B (en) | Multifunction combined secondary cable lightning protection and equipotential guard method and device | |
| CN201577158U (en) | Railway integrated video monitoring system with strengthened lightning protection capacity | |
| CN203967743U (en) | Ground connection isolating transformer is exempted from a kind of lightning protection | |
| CN102931592A (en) | Lightning-protection power distribution cabinet | |
| CN202997329U (en) | Lightning-protection power distribution cabinet | |
| CN202957351U (en) | Equipotential lightning protection assisting device for small industrial control room | |
| CN204857994U (en) | 35kV cable metallic sheath circumscribed ground protection case | |
| CN202231429U (en) | Three-in-one monitoring multi-functional lightning protection device | |
| CN204517840U (en) | A kind of lightning-protection system from network center's machine room to telex network circuit and equipment | |
| CN206077222U (en) | A kind of pipe gallery Region control unit with strong anti-interference ability | |
| CN210517787U (en) | Comprehensive lightning protection device for video monitoring system | |
| CN203826948U (en) | Special surge protector for smart ammeter | |
| CN212277924U (en) | Hydraulic engineering floodgate dam integrated surge protection lightning protection system | |
| CN204215075U (en) | A kind of OPLC fiber cable cross connection box | |
| CN202840254U (en) | Grounding lightning protection power distribution cabinet | |
| CN203445609U (en) | Electrical equipment protection system for neighboring house when communication base station is struck by lightning |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100818 Termination date: 20111209 |