CN106646798A - Optical cable splice closure - Google Patents
Optical cable splice closure Download PDFInfo
- Publication number
- CN106646798A CN106646798A CN201710042878.5A CN201710042878A CN106646798A CN 106646798 A CN106646798 A CN 106646798A CN 201710042878 A CN201710042878 A CN 201710042878A CN 106646798 A CN106646798 A CN 106646798A
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- CN
- China
- Prior art keywords
- water
- splice closure
- shell
- base
- cable
- 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.)
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Classifications
-
- 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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Coupling Of Light Guides (AREA)
Abstract
The invention relates to an optical cable splice closure and belongs to the technical field of optical cable line corollary equipment. The optical cable splice closure comprises a base and a housing. An optical fiber storage disc is mounted in the housing, a cable feeding pressure plate is connected below the base, the cable feeding pressure plate is connected to a connecting bracket through a cable feeding pressure plate base, the connecting bracket is connected to a mounting rack, a connecting table is arranged in a position where the housing is connected to the base, an outer boss is arranged on the root of the connecting table, at least one inner boss is arranged on the inner side, in a position connected to the base, of the housing, a sealed cavity is formed by the lower surface of the inner boss, the upper surface of the outer boss, the outer surface of the connecting table and the inner surface of the housing, and a water absorbing expanding rubber ring is mounted in the sealed cavity. The optical cable splice closure provided by the invention has the advantage of effectively sealing the base and the housing of the splice closure to prevent water from entering the splice closure.
Description
Technical field
The present invention relates to a kind of cable splice closure, belongs to lightguide cable link corollary equipment technical field.
Background technology
Electric aerial optical cable connector box is indispensable corollary equipment in lightguide cable link, and cable splice closure is for connected
Optical cable play sealing, protection, the function such as fibre-optical splice and storage be installed, the straight joint and difference for being primarily adapted for use in optical cable connect
It is continuous, and fiber cable joint is played a protective role.But, in recent years, asking for a plurality of lightguide cable link connector box water inlet is there occurs successively
Topic, in autumn and winter season, intakes when connector box daytime temperature is high, and box inner product water freezing when night temperature is low can be squeezed off
Optical cable, cause cable portion to break core, cause production that optical cable carries and communication service to interrupt, have a strong impact on electricity net safety stable
Operation.Therefore, after connector box is intake, cable welding again of being changed in time and broken is needed, but, due to carrying very on optical cable
Multi-service, changing connector box can not be carried out at any time, especially trunk cable, and power off time cannot effectively be coordinated.Thus, every year
Spend in that to process the manpower and materials entered in water problems of connector box very big, in order to improve communication network reliability, urgent need to resolve joint
Box enters water problems.
The content of the invention
To solve technical deficiency above, the invention provides a kind of cable splice closure, can realize joint box base
With effective sealing of shell, it is to avoid water inlet in connector box.
Technical scheme is as follows：A kind of cable splice closure, including base and shell, the inside the shell is provided with deposits
Fine disk, is connected with into cable pressing plate below base, it is described enter cable pressing plate be connected with connecting bracket by entering cable pressing plate seat, the company
Connect support and be connected with installing rack, be provided with cage connection position connected unit on the base, the root of connected unit is provided with outer
Boss, at least one inner convex platform, the inner convex platform lower surface, evagination are provided with the shell with the inside of base link position
Platform upper surface, connected unit outer surface and inner surface of outer cover are formed with sealing cavity, and in the sealing cavity water swelling is provided with
Rubber ring.
Technical scheme also includes：The quantity of the inner convex platform is three, in the cavity that adjacent inner convex platform is formed
Sealing ring is installed.
Technical scheme also includes：The sealing ring includes primary seal circle and secondary seal circle, the one-level
Sealing ring is located remotely from one end of water swelling rubber circle, and the section of primary seal circle is in tapered, and the secondary seal circle is located at
Near one end of water swelling rubber circle, the rectangular in cross-section of secondary seal circle.
Technical scheme also includes：The water absoption expanding agent of the water swelling rubber circle is by white carbon and polyethylene
Alcohol is made, and the expansion rate of the water swelling rubber circle is 60～170%.
Technical scheme also includes：The inside the shell is provided with water logging controller, the water logging controller it is defeated
Enter end and be connected with water sensor, the output end of water logging controller is connected with LED warning lights and compressed gas patcher.
Technical scheme also includes：Battery is installed, the battery passes through electric wire at the top of the shell
Be connected positioned at the lithium battery of enclosure, the lithium battery and compressed gas patcher, water logging controller, water sensor and
LED warning lights connect.
Technical scheme also includes：The compressed gas patcher is arranged on the both sides of fibre storing disc, compressed gas
Patcher includes gas cylinder and electromagnetic switch valve, and the electromagnetic switch valve is connected with water logging controller.
Technical scheme also includes：The water sensor is arranged in connected unit, and water sensor is flat board
Electric pole type water sensor, the water logging controller is mounted on the fibre storing disc support below fibre storing disc, water logging controller
It is JSN type water logging controllers.
The invention has the beneficial effects as follows：Cable splice closure is mostly made up of upper and lower two parts, above a part be shell and
Fibre storing disc, below a part be base and to enter cable pressing plate, learnt according to the structural analysis of docking head cartridge, connector box water inlet it is main
Reason has：First, the fluid sealant that cable splice closure enters at cable is easily caused into water using unreasonable.Existing connector box enters at cable
Sealing by a circle fluid sealant realizing, during construction fluid sealant beat it is uneven, or amount is inadequate, does not all reach good close
Envelope effect.After using a period of time, with the impact of the aging and optical cable gravity of fluid sealant itself, enter and seam is engendered at cable hole
Gap, so as to cause connector box to be intake；
2nd, sealed using rubber ring between joint box base and connector box shell.It is possible that lock ring in work progress
Steel band is too tight, and sealing rubber ring discontinuity, the situation of crimp, the time one is grown, and sealing rubber ring is gradually aging, causes
Connector box is intake.
For two above reason, emphasis is improved to base with the sealing structure of shell, in the connected unit root of base
Portion designs outer lug boss, inner convex platform is designed in the inner side of shell, so as to form one between outer lug boss, inner convex platform, shell and base
The sealing cavity of individual closing, also, water swelling rubber circle is installed in the sealing cavity, using water swelling rubber as close
Closure material, when there is a small amount of water to enter in the sealing cavity, the hydroaropic substance or group of water swelling rubber can be because of water suctions
Expansion, so as to the volume of whole water swelling rubber circle becomes big, but the sealing cavity on vertical due to shell and base
Fixation is limited, therefore squeezing action occurs between the water swelling rubber circle and the side wall of sealing cavity of volume increase, so as to
Realize the positive sealing to base and shell.
Description of the drawings
Fig. 1 is the schematic diagram of the present invention.
Fig. 2 is the schematic diagram of sealing structure of the present invention.
Fig. 3 is the control logic structure chart of the present invention.
1st, shell, 11, primary seal circle, 12, secondary seal circle, 13, inner convex platform, 2, base, 21, connected unit, 22, evagination
Platform, 3, enter cable pressing plate, 31, enter cable pressing plate seat, 4, connecting bracket, 5, installing rack, 6, compressed gas patcher, 7, battery, 8,
Fibre storing disc, 81, fibre storing disc lid, 82, fibre storing disc support, 9, lithium battery, 10, water logging controller, 101, water sensor, 102,
LED warning lights, 20, water swelling rubber circle.
Specific embodiment
Below in conjunction with accompanying drawing, by embodiment, the invention will be further described.
As depicted in figs. 1 and 2, a kind of cable splice closure of the invention, including base 2 and shell 1, install in shell 1
There is fibre storing disc 8, fibre storing disc 8 is provided with fibre storing disc lid 81 towards the side in the space of shell 1, and the lower section of fibre storing disc 8 passes through fibre storing disc
Support 82 is fixed on base 2.The lower section of base 2 is connected with into cable pressing plate 3, enters cable pressing plate 3 by entering cable pressing plate seat 31 and connecting
Connect support 4 to connect, the connecting bracket 4 is connected with installing rack 5, so as to whole connector box is carried out into installation fixation.
The link position of shell 1 is provided with connected unit 21, the root of connected unit 21 on base 2（Namely near base 2
Side）Outer lug boss 22 is provided with, at least one inner convex platform 13 is provided with the inside of the link position of base 2 on shell 1, installed
When, shell 1 is moved until contacting with base 2 from the top down along connected unit 21, afterwards, then uses screw the bottom of by along the edge of housing 1
Seat 2 is fixed with housing 1.In the lower surface of inner convex platform 13, the upper surface of outer lug boss 22, the outer surface of connected unit 21 and the inner surface shape of shell 1
Into there is sealing cavity, water swelling rubber circle 20 is installed in sealing cavity.Specifically, the suction of the water swelling rubber circle 20
Water swelling agent is made up of white carbon with polyvinyl alcohol, also, the expansion rate of water swelling rubber circle 20 is 60～170%.Using suction
Water-expansible rubber is used as encapsulant, when there is a small amount of water to enter in the sealing cavity, the hydroaropic substance of water swelling rubber
Or group can expand because of water suction, so as to the volume of whole water swelling rubber circle becomes big, but the sealing cavity is on vertically
Because shell is limited with the fixation of base, therefore send out between the water swelling rubber circle and the side wall of sealing cavity of volume increase
Raw squeezing action, so as to realize the positive sealing to base and shell.
In embodiments of the invention, the quantity of the inner convex platform 13 of the inner side of shell 1 is three, is formed in adjacent inner convex platform 13
Sealing ring is installed, specifically, sealing ring includes primary seal circle 11 and secondary seal circle 12 in cavity, wherein, primary seal
Circle 11 is located remotely from one end of water swelling rubber circle 20（It is namely above）, the Cross section Design of primary seal circle 11 is into cone
Type, secondary seal circle 12 is located near one end of water swelling rubber circle 20（Namely it is located at lower section）, secondary seal circle 12
Cross section Design is rectangular.Using the sealing of two-stage different structure form, it is possible to increase whole sealing effect between base and shell
Really.
In embodiments of the invention, devising can alert the connector box structure of self-healing.Its control logic as shown in figure 3,
Water logging controller 10 is installed in shell 1, the input of the water logging controller 10 is connected with water sensor 101, water logging control
The output end of device processed 10 is connected with LED warning lights 102 and compressed gas patcher 6.
Specifically, power supply unit includes being arranged on the battery 7 at the top of shell 1, and battery 7 is by electric wire and is located at shell
Lithium battery 9 inside 1 connects, lithium battery 9 again with compressed gas patcher 6, water logging controller 10, water sensor 101 and LED
Warning light 102 connects, and for it power supply is provided.
In water logging sensing unit, water sensor 101 is arranged in connected unit 21, concrete to be passed using plate electrode type water logging
Sensor, it is advantageous in that, plate electrode type water sensor cost performance is high, pops one's head in sensitive, and stand-by power consumption is little, being capable of the very first time
Flooded condition is reacted.Water logging controller 10 is mounted on the fibre storing disc support 82 of the lower section of fibre storing disc 8, and it is adopted
JSN type water logging controllers, are advantageous in that, it is contemplated that connector box inner space and cost of manufacture, JSN type water logging controller practicality
It is higher.
In self-healing processing unit, compressed gas patcher 6 is arranged on the both sides of fibre storing disc 8, and compressed gas repair self-healing device 6
It is made up of two parts, one is filled with the gas cylinder of compressed gas healant, and one is the electromagnetic switch valve that gas cylinder mouth is arranged.Compressed gas
Healant is stored in gas cylinder, and the bottleneck side of repairing tonifying Qi bottle is provided with electromagnetic switch valve, and electromagnetic switch valve can control to repair
Gas cylinder is opened and closed automatically.After the signal of water logging controller 10 is received, electromagnetic switch valve is opened with controlling magnetic valve, by
In the effect of air pressure, connector box internal water accumulation is discharged rapidly, repairs the repair liquid in gas cylinder equal Jing after atomizer atomization from bottle
The even leakage area that is sprayed at automatically is blocked leakage area.
It is to test its requirement for whether meeting production scene, group after the water-inlet-proof cable splice closure of the present invention completes
10 sleeve optic cable connector boxs are filled, 20 sections of ADSS optical cables according to normal procedure welding.Wherein 5 sleeve optic cable connector box good seals are rearmounted
In roof, in addition 5 sleeve optic cable connector boxs are placed in pond, respectively numbering 1#-5# and 6#-10#.After connector box water inlet, light
Fine attenuation can increase, therefore, using OTDR the 1st core in each connector box and the 17th core fibre are carried out by attenuation and tested and is recorded.
The above, is only presently preferred embodiments of the present invention, and any pro forma restriction is not done to the present invention, all at this
Any modification, equivalent and improvement etc. are made within the spirit and principle of invention, protection scope of the present invention is should be included in
Within.
Claims (8)
1. a kind of cable splice closure, including base（2）And shell（1）, the shell（1）Fibre storing disc is inside installed（8）, base
（2）Lower section be connected with into cable pressing plate（3）, it is described enter cable pressing plate（3）By entering cable pressing plate seat（31）With connecting bracket（4）Even
Connect, the connecting bracket（4）It is connected with installing rack（5）, it is characterised in that：The base（2）Upper and shell（1）Connection position is installed
It is equipped with connected unit（21）, connected unit（21）Root be provided with outer lug boss（22）, the shell（1）Upper and base（2）Connection position
The inner side put is provided with least one inner convex platform（13）, the inner convex platform（13）Lower surface, outer lug boss（22）Upper surface, connected unit
（21）Outer surface and shell（1）Inner surface is formed with sealing cavity, and water swelling rubber circle is provided with the sealing cavity
（20）.
2. a kind of cable splice closure as claimed in claim 1, it is characterised in that：The inner convex platform（13）Quantity be three,
Adjacent inner convex platform（13）Sealing ring is installed in the cavity of formation.
3. a kind of cable splice closure as claimed in claim 2, it is characterised in that：The sealing ring includes primary seal circle（11）
With secondary seal circle（12）, the primary seal circle（11）It is located remotely from water swelling rubber circle（20）One end, primary seal
Circle（11）Section be in tapered, the secondary seal circle（12）Positioned near water swelling rubber circle（20）One end, two grades are close
Seal（11）Rectangular in cross-section.
4. a kind of cable splice closure as described in claims 1 to 3 is arbitrary, it is characterised in that：The water swelling rubber circle
（20）Water absoption expanding agent be made up with polyvinyl alcohol of white carbon, the water swelling rubber circle（20）Expansion rate be 60～
170%。
5. a kind of cable splice closure as claimed in claim 4, it is characterised in that：The shell（1）Water logging control is inside installed
Device（10）, the water logging controller（10）Input be connected with water sensor（101）, water logging controller（10）Output end
It is connected with LED warning lights（102）With compressed gas patcher（6）.
6. a kind of cable splice closure as claimed in claim 5, it is characterised in that：The shell（1）Top electric power storage is installed
Pond（7）, the battery（7）By electric wire and positioned at shell（1）Internal lithium battery（9）Connection, the lithium battery（9）With pressure
Contracting gas patcher（6）, water logging controller（10）, water sensor（101）With LED warning lights（102）Connection.
7. a kind of cable splice closure as claimed in claim 6, it is characterised in that：The compressed gas patcher（6）It is arranged on
Fibre storing disc（8）Both sides, compressed gas patcher（6）Including gas cylinder and electromagnetic switch valve, the electromagnetic switch valve and water logging control
Device processed（10）Connection.
8. a kind of cable splice closure as claimed in claim 6, it is characterised in that：The water sensor（101）Installed in even
Connect platform（21）On, water sensor（101）It is plate electrode type water sensor, the water logging controller（10）It is mounted on
Fibre storing disc（8）The fibre storing disc support of lower section（82）On, water logging controller（10）It is JSN type water logging controllers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710042878.5A CN106646798A (en) | 2017-01-20 | 2017-01-20 | Optical cable splice closure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710042878.5A CN106646798A (en) | 2017-01-20 | 2017-01-20 | Optical cable splice closure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106646798A true CN106646798A (en) | 2017-05-10 |
Family
ID=58842070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710042878.5A Pending CN106646798A (en) | 2017-01-20 | 2017-01-20 | Optical cable splice closure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106646798A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109884757A (en) * | 2019-03-07 | 2019-06-14 | 中山水木光华电子信息科技有限公司 | Geographic information automatic acquisition's optical cable splice box |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202693870U (en) * | 2012-06-04 | 2013-01-23 | 山东海虹电力器材有限公司 | Optical cable joint box |
| CN102927374A (en) * | 2012-10-24 | 2013-02-13 | 中国船舶重工集团公司第七○二研究所 | Water seal treatment device for ship model deck lead opening |
| CN203825267U (en) * | 2014-05-23 | 2014-09-10 | 国家电网公司 | Self-healing type waterproof power overhead optical cable connector box |
| CN105450294A (en) * | 2015-12-11 | 2016-03-30 | 国家电网公司 | Accumulated water monitoring apparatus and accumulated water monitoring method for cable joint box |
-
2017
- 2017-01-20 CN CN201710042878.5A patent/CN106646798A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202693870U (en) * | 2012-06-04 | 2013-01-23 | 山东海虹电力器材有限公司 | Optical cable joint box |
| CN102927374A (en) * | 2012-10-24 | 2013-02-13 | 中国船舶重工集团公司第七○二研究所 | Water seal treatment device for ship model deck lead opening |
| CN203825267U (en) * | 2014-05-23 | 2014-09-10 | 国家电网公司 | Self-healing type waterproof power overhead optical cable connector box |
| CN105450294A (en) * | 2015-12-11 | 2016-03-30 | 国家电网公司 | Accumulated water monitoring apparatus and accumulated water monitoring method for cable joint box |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109884757A (en) * | 2019-03-07 | 2019-06-14 | 中山水木光华电子信息科技有限公司 | Geographic information automatic acquisition's optical cable splice box |
| CN109884757B (en) * | 2019-03-07 | 2023-11-21 | 中山水木光华电子信息科技有限公司 | Optical cable splice closure capable of automatically collecting geographic information |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for 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: 20170510 |