CN106405759A - Building access optical cable grounding method - Google Patents
Building access optical cable grounding method Download PDFInfo
- Publication number
- CN106405759A CN106405759A CN201610480954.6A CN201610480954A CN106405759A CN 106405759 A CN106405759 A CN 106405759A CN 201610480954 A CN201610480954 A CN 201610480954A CN 106405759 A CN106405759 A CN 106405759A
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- China
- Prior art keywords
- optical cable
- tray
- draw
- box body
- lightning
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- 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.)
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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4439—Auxiliary devices
- G02B6/4469—Security aspects
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Light Guides In General And Applications Therefor (AREA)
- Cable Accessories (AREA)
Abstract
The invention discloses a building access optical cable grounding method, which is characterized in that an optical cable penetrates through a lightning blocking box before being led into a building, a metal outer layer of the optical cable in the lightning blocking box is cut off, the metal outer layer at a lead-in end of the optical cable is electrically connected with a discharge board of the lightning blocking box, and the discharge board is connected to the building ground through a grounding wire. According to the invention, the metal outer layer of the access optical cable is cut off through connecting the optical cable lightning blocking box, reliable connection is performed so as to carry out grounding, lightning and other high-voltage current are blocked from getting into the building through a metal strengthening core and a metal outer protective layer in the access cable, and an access optical cable terminal can realize no-grounding.
Description
[technical field]
The present invention relates to fiber optic communication, more particularly, to a kind of earthing method of building access optical cable.
[background technology]
Depth with China " broadband China " strategy is implemented, and access optical cable construction has been brought into most basic
In communication (information) infrastructure construction.As shown in figure 1, in order to avoid thunder and lightning and other high-tension current pair
The impact of communication (information) system, eliminates hidden danger, the method taken at present is to be introduced into building
Build the metallic strength member of access optical cable 103 in thing 100 (various building) and metal outer jacket, by terminal
Equipment (ODB) 101 carries out reliable ground.Although this traditional method can protect communication (information) effectively
The safety of system, plays shielding thunder and lightning and the effect of other high-tension current, but (particularly high with building
Shelves building and residential building) finishing superior, in building, ground connection has become extremely difficult in engineering construction
Problem, have even cannot be grounded, nowhere be grounded, thus causing very big potential safety hazard.
[content of the invention]
The technical problem to be solved in the present invention is to provide the building that a kind of access optical cable terminal is exempted to be grounded to access light
The earthing method of cable.
In order to solve above-mentioned technical problem, the technical solution used in the present invention is, a kind of building access optical cable
Earthing method, optical cable, before introducing building, blocks box through thunder and lightning, and thunder and lightning blocks optical cable in box
Metal outer cuts off, and the draw-off tray that the metal outer of optical cable leading-in end blocks box with thunder and lightning electrically connects, draw-off tray
Building ground is connect by earth lead.
The earthing method of above-described building access optical cable, blocks box and optical cable including thunder and lightning, and thunder and lightning hinders
Disconnected box includes box body, ground connection anchor ear, described draw-off tray and two optical cables and fixes anchor ear, and box body includes earial drainage
Plate hole and two holes for optical cables；Optical cable passes through box body, the metal outer in the middle part of optical cable in box body through two holes for optical cables
Cut-out, the inner side that anchor ear is located at two holes for optical cables respectively fixed by two optical cables, and optical cable is fixed with box body；Let out
Stream plate is arranged in box body, and one end of draw-off tray is drawn from the earial drainage plate hole of box body；Optical cable is drawn by ground connection anchor ear
The other end of the metal outer and draw-off tray that enter end is fixed, and realizes electrical connection.
Above-described earthing method, box body is arc type, including two half-shell, clamping sealing gasket,
Three sealing rings and a plurality of fixing bolt, the holes for optical cables and draw-off tray hole position faying face between two half-shell
On；Connected by fixing bolt between two half-shell, the faying face between two half-shell by clamping sealing gasket seal,
Two holes for optical cables and earial drainage plate hole are sealed by sealing ring respectively.
Above-described earthing method, described optical cable metal outer includes metal outer jacket, screen layer and adds
Qiang Xin, the other end of the metal sheath of optical cable leading-in end and/or screen layer and draw-off tray is fixed by ground connection anchor ear,
Realize electrical connection.
Above-described earthing method, draw-off tray is N shape, and one end of N shape draw-off tray is as earth terminal from box body
Earial drainage plate hole draw, the other end of N shape draw-off tray is fixed on box body by being grounded anchor ear；N shape draw-off tray
Middle part includes at least one earthing rod, and the strengthening core of optical cable leading-in end is fixed on earthing rod, realizes electrical connection.
The present invention blocks box by access optical cable thunder and lightning and cuts off the metal outer in access optical cable and carry out reliability
Connect and be grounded, block outside metallic strength member and the metal that thunder and lightning and other high-tension current pass through in access optical cable
Sheath enters in building, it is possible to achieve access optical cable terminal is exempted to be grounded.
[brief description]
The present invention is further detailed explanation with reference to the accompanying drawings and detailed description.
Fig. 1 is the schematic diagram of prior art building access optical cable earthing method.
Fig. 2 is the schematic diagram of the embodiment of the present invention 1 building access optical cable earthing method.
Fig. 3 is the schematic diagram that the embodiment of the present invention 2 thunder and lightning blocks box mounting structure.
Fig. 4 is the structure chart that the embodiment of the present invention 2 thunder and lightning blocks box upper half shell.
[specific embodiment]
The earthing method of embodiment of the present invention building access optical cable is as shown in Fig. 2 be communication (information) work
In Cheng Jianshe, access optical cable terminal exempts from a kind of method being grounded, and it is that access optical cable 103 is being introduced building
Access optical cable thunder and lightning is passed through to block box (LBB) 102 before (various building) 100, will by drawing fine construction method
Metallic strength member in access optical cable 103 and metal outer jacket (containing screen layer) take out and cut off, optical cable 103
The metallic strength member of leading-in end and metal outer jacket (containing screen layer) electrical connection thunder and lightning block box (LBB) 102
In N-type draw-off tray, N-type draw-off tray pass through Connect the Ground Leads into the Line 104 access building ground, optical cable 103 exit
Metallic strength member and metal outer jacket (containing screen layer) hanging, to be collectively incorporated into building (each with access optical cable
Kind of building) in 100.
There is exposed ground connection termination the side that thunder and lightning of the present invention blocks box (LBB) 102, and it passes through
Electrically connect with Connect the Ground Leads into the Line 104, be directly connected on the outdoor in building (various building) 100 earthed systems
On earth plate or building foundation reinforcing bar, thus reaching ground connection purpose.
Access optical cable 103 terminal of the present invention is that optical cable accesses least significant end, due to introducing building (respectively
Kind of building) before 100, metallic strength member in access optical cable 103 and metal outer jacket (containing screen layer) are
By thunder and lightning block box (LBB) 102 effective grounding, then access optical cable 103 terminal need not again with terminal unit
(ODB) 101 etc. carry out grounding connection, only do and vacantly process.
The present invention adopts front termination to the metallic strength member in access optical cable and metal outer jacket (containing screen layer)
Ground, the hanging construction mode in rear end, it is possible to achieve effectively block thunder and lightning and the intrusion of other high-tension current, protect
Barrier communication (information) system and personal security.
As shown in Figure 3 and Figure 4, the mounting structure of the embodiment of the present invention 2 thunder and lightning blocking-up box includes thunder and lightning blocking-up
Box (LBB) and optical cable 02, thunder and lightning blocks the N that box includes box body, ground connection anchor ear 07, hot-dip galvanizing sheet steel are made
Anchor ear 06 fixed by shape draw-off tray 08 and two optical cables, and box body has an earial drainage plate hole and two holes for optical cables.
Optical cable 02 passes through box body through two holes for optical cables, and two optical cables are fixed anchor ear 06 and are located at two optical cables respectively
The inner side in hole, optical cable is fixed with box body.The metal outer jacket at optical cable 02 middle part, screen layer and gold in box body
Belong to strengthening core cut-out.
N shape draw-off tray 08 is arranged in box body, and one end is drawn from the earial drainage plate hole of box body as earth terminal 11,
The other end of N shape draw-off tray 08 is fixed on box body by being grounded anchor ear, and by outside the metal of optical cable leading-in end
The other end of sheath and screen layer and draw-off tray is fixed, and realizes electrical connection.
There are two earthing rods 09 at the middle part of N shape draw-off tray 08, and the strengthening core of optical cable leading-in end is fixed on earthing rod
On 09, realize electrical connection.
Wherein, box body is arc type, including two half being made up of high-strength engineering plastic interpolation age resister
05, ground connection termination sealing ring of shell 12, two open type waterproof grommets of 01, clamping sealing gasket
100 and 10 fixing bolts 13,
Holes for optical cables and draw-off tray hole position are on the faying face between two half-shell 01；Between two half-shell 01 by
Fixing bolt 13 connects, and the faying face between two half-shell 01 is sealed by clamping sealing gasket 12, two optical cables
Hole and earial drainage plate hole are sealed by open type waterproof grommet 05 and ground connection termination sealing ring 10 respectively.
The box body of the arc type structure of the present embodiment is by the clamping of two symmetrical upper and lower box bodies (half-shell) 01
Become, after completing that in box body, access optical cable metallic strength member and metal outer jacket are fixedly connected operation, by box body
Upper and lower box body clamping, by 10 fastening bolt 13 fixed closeds of box body outer ring.
Two open type waterproof grommets 05 of the present embodiment are mounted in optical cable introducing and two that draw box body
Port, it all plays sealing box body, waterproof etc. with box body clamping sealing gasket 12, ground connection termination sealing gasket 10
Effect.
The fixing anchor ear 06 of the described two access optical cable of the present embodiment is to block to fix access optical cable turnover thunder and lightning
Box (LBB) and arrange it is therefore an objective to prevent that access optical cable is mobile, dislocation, cause cable interior structure 03
Damage with strengthening core, metal outer jacket.
The optical cable metallic shield grounding anchor ear 07 of the present embodiment is by the metal outer jacket in access optical cable and shielding
Layer is fixed and is electrically connected by trip bolt and N-type draw-off tray 08, thus ensureing its effective grounding.
The N-type draw-off tray 08 of the present embodiment, in addition to being electrically connected with optical cable metal sheath, is also inlayed in the above
There is the earthing rod 09 of two optical cable strengthening cores 04.When access optical cable adopts central-beam tube type fiber optic cable, two gold
Belong to strengthening core (steel wire) (double-deck overlay film wrinkle steel-tape armouring) to insert respectively in two strengthening core earthing rods 09
And fix through trip bolt；When access optical cable adopts layer-stranding cable, single piece of metal strengthening core is inserted directly into
In two strengthening core earthing rods 09 any one and fix through trip bolt.
The ground connection termination 11 of the present embodiment is the end of N-type draw-off tray 08, and it is exposed in arc type structure
The earth point of the Connect the Ground Leads into the Line outside box body, Connect the Ground Leads into the Line upper end annular terminals directly and are grounded termination
After 11 electrical connections, reach by the outdoor earth plate in building (various building) earthed system or building base
Plinth reinforcing bar and be grounded, thus ensureing communication (information) system and the safety of personnel.
Above example of the present invention takes full advantage of the outdoor ground connection in building (various building) earthed system
Plate or building foundation reinforcing bar, at outdoor access optical cable entrance (or wall, handss well) place, by access optical cable
Thunder and lightning blocks box (LBB), the metallic strength member in access optical cable and metal outer jacket is cut off and carries out reliability
Connect and be grounded, block outside metallic strength member and the metal that thunder and lightning and other high-tension current pass through in access optical cable
Sheath enters in building (various building).
Being stranded in communication (information) engineering construction is evaded in having the beneficial effects that of above example of the present invention
Difficulty, is processed by the outer access of building (various building), reaches and blocks thunder and lightning and other high-tension current
Invade, eliminate to the communication impact of (information) system and the purpose of personnel's hidden danger.
Above example of the present invention has that compressive resistance is high, electric conductivity is strong, good airproof performance；Grounding safety, can
Lean on；Low cost of manufacture, reusable, unlatching convenience；Construction operation and maintenance are simple, quick；It is easy to
The features such as application and popularization.Being applicable to access optical cable is layer-twisted type and central beam tube type various structures standard
Optical cable, can build under direct-burried, built on stilts, multiple building formula such as pipeline, wall.
Claims (5)
1. a kind of earthing method of building access optical cable it is characterised in that optical cable introduce building before,
Block box through thunder and lightning, thunder and lightning blocks the metal outer cut-out of optical cable in box, the metal outer of optical cable leading-in end
The draw-off tray blocking box with thunder and lightning electrically connects, and draw-off tray connects building ground by earth lead.
2. earthing method according to claim 1 includes thunder and lightning resistance it is characterised in that thunder and lightning blocks box
Disconnected box and optical cable, thunder and lightning blocking-up box includes box body, ground connection anchor ear, described draw-off tray and two optical cables to be fixed
Anchor ear, box body includes earial drainage plate hole and two holes for optical cables；Optical cable passes through box body through two holes for optical cables, in box body
Metal outer cut-out in the middle part of optical cable, the inner side that anchor ear is located at two holes for optical cables respectively fixed by two optical cables, will
Optical cable is fixed with box body；Draw-off tray is arranged in box body, and one end of draw-off tray is drawn from the earial drainage plate hole of box body；
The other end of the metal outer of optical cable leading-in end and draw-off tray is fixed by ground connection anchor ear, realizes electrical connection.
3. earthing method according to claim 2 is it is characterised in that the box body that thunder and lightning blocks box is to breathe out
Arc formula, including two half-shell, a clamping sealing gasket, three sealing rings and a plurality of fixing bolt, optical cable
Hole and draw-off tray hole position are on the faying face between two half-shell；Connected by fixing bolt between two half-shell,
Faying face between two half-shell is sealed by clamping sealing gasket, two holes for optical cables and earial drainage plate hole are respectively by sealing
Circle sealing.
4. earthing method according to claim 2 is it is characterised in that described optical cable metal outer bag
Include metal outer jacket, screen layer and strengthening core, ground connection anchor ear is by the metal sheath of optical cable leading-in end and/or screen
The other end covering layer with draw-off tray is fixed, and realizes electrical connection.
5. earthing method according to claim 4 it is characterised in that draw-off tray be N shape, N shape earial drainage
One end of plate is drawn from the earial drainage plate hole of box body as earth terminal, and the other end of N shape draw-off tray is by being grounded anchor ear
It is fixed on box body；The middle part of N shape draw-off tray includes at least one earthing rod, the strengthening core of optical cable leading-in end
It is fixed on earthing rod, realize electrical connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610480954.6A CN106405759A (en) | 2016-06-27 | 2016-06-27 | Building access optical cable grounding method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610480954.6A CN106405759A (en) | 2016-06-27 | 2016-06-27 | Building access optical cable grounding method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106405759A true CN106405759A (en) | 2017-02-15 |
Family
ID=58005954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610480954.6A Pending CN106405759A (en) | 2016-06-27 | 2016-06-27 | Building access optical cable grounding method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106405759A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113593795A (en) * | 2021-07-30 | 2021-11-02 | 中国电信股份有限公司 | Optical cable lightning arrester and optical cable lightning arresting method |
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|---|---|---|---|---|
| CN201622375U (en) * | 2009-11-23 | 2010-11-03 | 中国移动通信集团山东有限公司 | Lightningproof terminal box |
| CN202339431U (en) * | 2011-10-14 | 2012-07-18 | 中讯邮电咨询设计院有限公司 | Optical cable ground connection through connection structure for mobile communication base station |
| CN102769263A (en) * | 2012-07-30 | 2012-11-07 | 刘晶川 | Mixed grounding device introduced from cable for lightning interruption in distributed base station |
| CN103728703A (en) * | 2013-12-16 | 2014-04-16 | 上海亨通宏普通信技术有限公司 | FTTX multipurpose cable connector box |
| CN103995327A (en) * | 2014-01-10 | 2014-08-20 | 杭州华宏通信设备有限公司 | Optical cable splice box |
| CN203941327U (en) * | 2014-07-01 | 2014-11-12 | 中国电信股份有限公司宁波分公司 | Fiber To The Curb or the lightning conductor system of employing ADSL broadband access |
| CN104317027A (en) * | 2014-11-19 | 2015-01-28 | 湖北融通三立科技有限公司 | Outdoor optical cable anti-thunder cabinet |
| CN204790115U (en) * | 2015-07-10 | 2015-11-18 | 朱小敏 | Insulating festival of optical cable |
| CN204886167U (en) * | 2015-07-07 | 2015-12-16 | 广东南方电信规划咨询设计院有限公司 | Outdoor light of TD -LTE network hands over equipment lightning protection ground system's ground connection unit |
-
2016
- 2016-06-27 CN CN201610480954.6A patent/CN106405759A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201622375U (en) * | 2009-11-23 | 2010-11-03 | 中国移动通信集团山东有限公司 | Lightningproof terminal box |
| CN202339431U (en) * | 2011-10-14 | 2012-07-18 | 中讯邮电咨询设计院有限公司 | Optical cable ground connection through connection structure for mobile communication base station |
| CN102769263A (en) * | 2012-07-30 | 2012-11-07 | 刘晶川 | Mixed grounding device introduced from cable for lightning interruption in distributed base station |
| CN103728703A (en) * | 2013-12-16 | 2014-04-16 | 上海亨通宏普通信技术有限公司 | FTTX multipurpose cable connector box |
| CN103995327A (en) * | 2014-01-10 | 2014-08-20 | 杭州华宏通信设备有限公司 | Optical cable splice box |
| CN203941327U (en) * | 2014-07-01 | 2014-11-12 | 中国电信股份有限公司宁波分公司 | Fiber To The Curb or the lightning conductor system of employing ADSL broadband access |
| CN104317027A (en) * | 2014-11-19 | 2015-01-28 | 湖北融通三立科技有限公司 | Outdoor optical cable anti-thunder cabinet |
| CN204886167U (en) * | 2015-07-07 | 2015-12-16 | 广东南方电信规划咨询设计院有限公司 | Outdoor light of TD -LTE network hands over equipment lightning protection ground system's ground connection unit |
| CN204790115U (en) * | 2015-07-10 | 2015-11-18 | 朱小敏 | Insulating festival of optical cable |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113593795A (en) * | 2021-07-30 | 2021-11-02 | 中国电信股份有限公司 | Optical cable lightning arrester and optical cable lightning arresting method |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170215 |