CN105450294A - Accumulated water monitoring apparatus and accumulated water monitoring method for cable joint box - Google Patents
Accumulated water monitoring apparatus and accumulated water monitoring method for cable joint box Download PDFInfo
- Publication number
- CN105450294A CN105450294A CN201510915440.4A CN201510915440A CN105450294A CN 105450294 A CN105450294 A CN 105450294A CN 201510915440 A CN201510915440 A CN 201510915440A CN 105450294 A CN105450294 A CN 105450294A
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- China
- Prior art keywords
- box
- movable block
- joint box
- clamping components
- ponding
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
- H04B10/071—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using a reflected signal, e.g. using optical time domain reflectometers [OTDR]
-
- 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
- G02B6/444—Systems or boxes with surplus lengths
- G02B6/4441—Boxes
- G02B6/4446—Cable boxes, e.g. splicing boxes with two or more multi fibre cables
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Testing Of Optical Devices Or Fibers (AREA)
- Mechanical Coupling Of Light Guides (AREA)
- Light Guides In General And Applications Therefor (AREA)
Abstract
The invention relates to an accumulated water monitoring apparatus and an accumulated water monitoring method for a cable joint box. The accumulated water monitoring apparatus comprises a box-shaped module disposed in the cable joint box; a movable block of which the upper part is provided with an optical fiber to be detected is processed in the box-shaped module, and holes for an optical cable to enter and exit are disposed around the movable block and on the side walls of the box-shaped module; and a space below the movable block in the box-shaped module is filled with water swelling polyacrylic resin materials. The accumulated water monitoring method comprises: a, mounting the box-shaped module in the cable joint box, and after the optical cable is connected and mounted to the inside of the joint box, packaging the box-shaped module in the joint box; b, utilizing the super absorbent characteristic of the polyacrylic resin materials, so that when water enters the joint box and is accumulated in the joint box due to reasons of aging of a sealing ring and the like, the polyacrylic resin materials in the box-shaped module packaged in the joint box are water-swollen; and c, performing an OTDR (Optical Time Domain Reflectometer) test on a terminal of an optical cable segment by a maintenance personnel, so that determination on accumulated water in the joint box in the middle of a line can be completed.
Description
Technical field
What the present invention relates to is a kind of cable splice closure ponding monitoring device and ponding monitoring method, belongs to the water inlet monitoring technical field of communications optical cable connector box.
Background technology
Cable splice closure is because lodge is in communication pole line or conduit line, and climate environmental impact is larger.Exposing to the sun and rain or rainwater immersion all the year round, airtight strip of paper used for sealing is easily aging, once water inlet ponding, not only can cause the corrosion of shell in-vivo metal firmware that optical cable is deviate from; Or optical fiber coating is easily sent out disconnected fine by sour water etch; More seriously in the winter time, shell internal water accumulation freezes, and causes optical fiber generation stress changes, loss is increased, and transmission quality significantly declines, and works as melt ice, loss often recovers again normal, and especially in southern area, usually day alternates with night again occurs, this brings puzzlement just to us on breakdown judge.
Analyze from operation/maintenance data over the years, the optical cable defect of 86.3% is relevant with connector box, so connector box water inlet is the key factor causing transmission quality to decline.
Summary of the invention
The object of the invention is to the deficiency overcoming prior art existence, and provide a kind of structure to form rationally, easy to install and use, with low cost, to optical cable not damaged, time saving and energy saving, can substitute completely and manually step on bar (tower) inspection, the cable splice closure ponding monitoring device of significantly raising labour productivity and ponding monitoring method.
The object of the invention is to have come by following technical solution, a kind of cable splice closure ponding monitoring device, it comprises one and is placed in box modules in cable splice closure, the movable block that top is equipped with standby light-metering fibre is shaped with in described box-packed module, and the hole offered on the surrounding box modules sidewall of movable block for optical cable turnover, the movable block underlying space in box-packed module is filled with the polyacrylics material of imbibition.
As preferably: described movable block is one can establish clamping components composition moving up and down in track in box-packed module, it is fine that the top of this clamping components holds described standby light-metering; Polyacrylics material below described clamping components is water blocking yarn.
One utilizes described cable splice closure ponding monitoring device to carry out ponding monitoring method, and described ponding monitoring method is:
A) described box-packed module is arranged in cable splice closure, and connects at optical cable and be arranged on after in connector box, by box-packed module package in connector box;
B) the high water absorption character of polyacrylics material is utilized, when connector box is because of the reasons such as sealing ring is aging water inlet also ponding, be encapsulated in polyacrylics material chance water in the box-packed module in connector box to expand, and produce tension force, this tension force upwardly clamping components produces displacement in the track of setting, forces the fine promotion lower stress at clamping components of the standby light-metering on clamping components to bend;
C) terminal of maintenance personal to optical cable segment is tested by OTDR, has got final product in paired transmission line intermediate joint box whether to there is ponding and make differentiation.
The present invention has structure composition rationally, easy to install and use, with low cost, to optical cable not damaged, time saving and energy saving, can substitute completely manually to step on bar (tower) and patrol, the feature such as significantly to raise labour productivity.
Accompanying drawing explanation
Fig. 1 is the structural representation of box-packed module of the present invention.
Fig. 2 is the FB(flow block) of monitoring method of the present invention.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the present invention will be described in detail: shown in Fig. 1, a kind of cable splice closure ponding monitoring device of the present invention, it comprises one and is placed in box modules 1 in cable splice closure, the movable block 2 that top is equipped with standby light-metering fibre is shaped with in described box-packed module 1, and the hole 3 offered on the surrounding box modules sidewall of movable block 2 for optical cable turnover, movable block 2 underlying space in box-packed module 1 is filled with the polyacrylics material 4 of imbibition.
Shown in figure, described movable block 2 is one can establish clamping components moving up and down composition in track in box-packed module 1, and the top of this clamping components holds described standby light-metering fibre 5; Polyacrylics material 4 below described clamping components is water blocking yarn.
Shown in Fig. 2, one of the present invention utilizes described cable splice closure ponding monitoring device to carry out ponding monitoring method, and described ponding monitoring method is:
A) described box-packed module is arranged in cable splice closure, and connects at optical cable and be arranged on after in connector box, by box-packed module package in connector box;
B) the high water absorption character of polyacrylics material is utilized, when connector box is because of the reasons such as sealing ring is aging water inlet also ponding, be encapsulated in polyacrylics material chance water in the box-packed module in connector box to expand, and produce tension force, this tension force upwardly clamping components produces displacement in the track of setting, forces the fine promotion lower stress at clamping components of the standby light-metering on clamping components to bend;
C) terminal of maintenance personal to optical cable segment is tested by OTDR, has got final product in paired transmission line intermediate joint box whether to there is ponding and make differentiation.
Embodiment:
In prior art, the ponding monitoring of cable splice closure is usually utilized to Electronic transducer technology or surveys insulation resistance mode and find, differentiate.First sensing technology based on circuit will solve power issue, and the long-acting feed under adverse circumstances is a difficult problem all the time.And measure insulation against ground mode and need preset metal probe in connector box, judged by its insulating resistance value of manual measurement.Not only inefficiency, operate cumbersome, and application places also restricts to some extent.
The present invention mainly must in realization based on the physical characteristic of optical fiber and absorbent material, its realizing route is: the high water absorption character utilizing polyacrylics material, when connector box sealing ring is aging, start there is ponding in housing, be encapsulated in resin material chance water in the module in connector box to expand, produce tension force, promote clamping components and produce displacement in the track of setting, the fine promotion lower stress at clamping components of standby light-metering is forced to bend, as long as be less than optical fiber wire diameter less than 15 times to bend, a relatively-stationary loss value will be produced, Here it is there is so-called optical fiber macrobend attenuation.Attendant only need at the terminal of optical cable segment, remote testing is carried out by OTDR (optical time domain is returned and penetrated instrument), can find that the attenuation numerical value that continues of its water supply connector box significantly increases easily, the water inlet of this connector box just can be determined as according to this numerical value, and have ponding, specific aim inspection, maintenance can be carried out to it.
This more based on polyacrylic resin material, what the present invention preferably selected is water blocking yarn the most frequently used in optical cable stranding, and its great advantage to be to meet after water volume can undergoes rapid expansion 10 times, gel, and burn into does not go rotten, and has good hydrophily.
Cable splice closure flooded condition is not easily found in O&M at ordinary times, and artificial inspection often will be stepped on bar or open manhole well lid and be carried out closely visual inspection, and this is according to being disinclined to the working experience of patrolman.The logical relation that expanding material and fibre core bend by the present invention is organic to be integrated in a modular cartridge, as long as attendant is regularly tested by OTDR in terminal optical cable segment, just whether can there be ponding in complete paired transmission line intermediate joint box and makes differentiation, time saving and energy saving, scientific and reasonable.Can instead of completely and manually step on bar (tower) inspection, significantly raise labour productivity.Its promotion prospect is boundless.
Claims (3)
1. a cable splice closure ponding monitoring device, it comprises one and is placed in box modules in cable splice closure, it is characterized in that in described box-packed module, being shaped with the movable block that top is equipped with standby light-metering fibre, and the hole offered on the surrounding box modules sidewall of movable block for optical cable turnover, the movable block underlying space in box-packed module is filled with the polyacrylics material of imbibition.
2. cable splice closure ponding monitoring device according to claim 1, is characterized in that described movable block is one can establish clamping components moving up and down composition in track in box-packed module, and it is fine that the top of this clamping components holds described standby light-metering; Polyacrylics material below described clamping components is water blocking yarn.
3. utilize cable splice closure ponding monitoring device described in claim 1 or 2 to carry out a ponding monitoring method, it is characterized in that described ponding monitoring method is:
A) described box-packed module is arranged in cable splice closure, and connects at optical cable and be arranged on after in connector box, by box-packed module package in connector box;
B) the high water absorption character of polyacrylics material is utilized, when connector box is because of the reasons such as sealing ring is aging water inlet also ponding, be encapsulated in polyacrylics material chance water in the box-packed module in connector box to expand, and produce tension force, this tension force upwardly clamping components produces displacement in the track of setting, forces the fine promotion lower stress at clamping components of the standby light-metering on clamping components to bend;
C) terminal of maintenance personal to optical cable segment is tested by OTDR, has got final product in paired transmission line intermediate joint box whether to there is ponding and make differentiation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510915440.4A CN105450294A (en) | 2015-12-11 | 2015-12-11 | Accumulated water monitoring apparatus and accumulated water monitoring method for cable joint box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510915440.4A CN105450294A (en) | 2015-12-11 | 2015-12-11 | Accumulated water monitoring apparatus and accumulated water monitoring method for cable joint box |
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| CN105450294A true CN105450294A (en) | 2016-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510915440.4A Pending CN105450294A (en) | 2015-12-11 | 2015-12-11 | Accumulated water monitoring apparatus and accumulated water monitoring method for cable joint box |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106646798A (en) * | 2017-01-20 | 2017-05-10 | 国网山东省电力公司滨州供电公司 | Optical cable splice closure |
| CN108562310A (en) * | 2018-01-29 | 2018-09-21 | 衡东光通讯技术（深圳）有限公司 | A kind of water leak detector |
| CN109655984A (en) * | 2019-02-02 | 2019-04-19 | 中天宽带技术有限公司 | A kind of helixseal formula is used to intersect the cap-type connection box of cable connection |
| CN110108308A (en) * | 2019-05-27 | 2019-08-09 | 华南理工大学 | A kind of power cable water inlet on-Line Monitor Device |
| CN110132325A (en) * | 2019-05-27 | 2019-08-16 | 华南理工大学 | A kind of power cable water inlet sensing device based on stress enhancing structure |
| CN111865403A (en) * | 2020-06-22 | 2020-10-30 | 中山水木光华电子信息科技有限公司 | Optical fiber protection system, method, device and storage medium |
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| US20120243863A1 (en) * | 2011-03-24 | 2012-09-27 | Fuqiang Zhao | Optical Transceiver Integrated with Optical Time Domain Reflectometer Monitoring |
| US20130038865A1 (en) * | 2011-08-12 | 2013-02-14 | Ian McClean | Embedded Optical Time Domain Reflectometer for Optically Amplified Links |
| CN203012195U (en) * | 2012-11-13 | 2013-06-19 | 江苏省电力公司射阳县供电公司 | Soaking monitoring device for fiber connector box |
| CN103809208A (en) * | 2012-11-06 | 2014-05-21 | 西安金和光学科技有限公司 | Optical fiber sensing device for sensing existence of liquid |
| CN205283536U (en) * | 2015-12-11 | 2016-06-01 | 国家电网公司 | Fiber cable joint box ponding monitoring devices |
-
2015
- 2015-12-11 CN CN201510915440.4A patent/CN105450294A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120243863A1 (en) * | 2011-03-24 | 2012-09-27 | Fuqiang Zhao | Optical Transceiver Integrated with Optical Time Domain Reflectometer Monitoring |
| US20130038865A1 (en) * | 2011-08-12 | 2013-02-14 | Ian McClean | Embedded Optical Time Domain Reflectometer for Optically Amplified Links |
| CN103809208A (en) * | 2012-11-06 | 2014-05-21 | 西安金和光学科技有限公司 | Optical fiber sensing device for sensing existence of liquid |
| CN203012195U (en) * | 2012-11-13 | 2013-06-19 | 江苏省电力公司射阳县供电公司 | Soaking monitoring device for fiber connector box |
| CN205283536U (en) * | 2015-12-11 | 2016-06-01 | 国家电网公司 | Fiber cable joint box ponding monitoring devices |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106646798A (en) * | 2017-01-20 | 2017-05-10 | 国网山东省电力公司滨州供电公司 | Optical cable splice closure |
| CN108562310A (en) * | 2018-01-29 | 2018-09-21 | 衡东光通讯技术（深圳）有限公司 | A kind of water leak detector |
| CN109655984A (en) * | 2019-02-02 | 2019-04-19 | 中天宽带技术有限公司 | A kind of helixseal formula is used to intersect the cap-type connection box of cable connection |
| CN109655984B (en) * | 2019-02-02 | 2023-09-15 | 中天宽带技术有限公司 | Screw sealing cap type joint box for connecting crossed optical cables |
| CN110108308A (en) * | 2019-05-27 | 2019-08-09 | 华南理工大学 | A kind of power cable water inlet on-Line Monitor Device |
| CN110132325A (en) * | 2019-05-27 | 2019-08-16 | 华南理工大学 | A kind of power cable water inlet sensing device based on stress enhancing structure |
| CN111865403A (en) * | 2020-06-22 | 2020-10-30 | 中山水木光华电子信息科技有限公司 | Optical fiber protection system, method, device and storage medium |
| CN111865403B (en) * | 2020-06-22 | 2022-05-13 | 中山水木光华电子信息科技有限公司 | Optical fiber protection system, method, device and storage medium |
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| CB03 | Change of inventor or designer information |
Inventor after: Zheng Weijun Inventor after: Wen Ke Inventor after: Xu Zhiqiang Inventor after: Huang Hongbing Inventor after: Tang Yize Inventor after: Xiong Peihua Inventor after: Zhou Hao Inventor after: Yu Ya Inventor after: Huang Hongsheng Inventor after: Ge Qi Inventor after: Xu Hui Inventor after: Yang Hongzhen Inventor after: Zhao Jun Inventor after: Lu Fu Inventor after: Wu Guoqing Inventor after: Tang Jinjiang Inventor after: Qian Xiao Inventor after: Zeng Jianliang Inventor before: Zheng Weijun Inventor before: Xu Zhiqiang Inventor before: Huang Hongbing Inventor before: Tang Yize Inventor before: Xiong Peihua Inventor before: Zhou Hao Inventor before: Yu Ya Inventor before: Huang Hongsheng Inventor before: Ge Qi Inventor before: Xu Hui Inventor before: Zhao Jun Inventor before: Lu Fu Inventor before: Wu Guoqing Inventor before: Tang Jinjiang Inventor before: Qian Xiao Inventor before: Zeng Jianliang Inventor before: Wen Ke |
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| CB03 | Change of inventor or designer information | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160330 |
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| RJ01 | Rejection of invention patent application after publication |