CN109143504B - Optical fiber line protection method - Google Patents
Optical fiber line protection method Download PDFInfo
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- CN109143504B CN109143504B CN201811023309.7A CN201811023309A CN109143504B CN 109143504 B CN109143504 B CN 109143504B CN 201811023309 A CN201811023309 A CN 201811023309A CN 109143504 B CN109143504 B CN 109143504B
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- carbon dioxide
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims abstract description 22
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 136
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 68
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 68
- 238000000926 separation method Methods 0.000 claims abstract description 55
- 238000005192 partition Methods 0.000 claims abstract description 54
- 238000007789 sealing Methods 0.000 claims abstract description 39
- 230000006835 compression Effects 0.000 claims abstract description 30
- 238000007906 compression Methods 0.000 claims abstract description 30
- 230000000694 effects Effects 0.000 claims abstract description 25
- 238000007599 discharging Methods 0.000 claims abstract description 16
- 230000007246 mechanism Effects 0.000 claims description 43
- 239000007789 gas Substances 0.000 claims description 26
- 230000003287 optical effect Effects 0.000 claims description 21
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims description 16
- 229910052753 mercury Inorganic materials 0.000 claims description 16
- 239000001993 wax Substances 0.000 claims description 14
- 239000000835 fiber Substances 0.000 claims description 12
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 10
- 229910052760 oxygen Inorganic materials 0.000 claims description 10
- 239000001301 oxygen Substances 0.000 claims description 10
- 239000012188 paraffin wax Substances 0.000 claims description 10
- 239000000779 smoke Substances 0.000 claims description 10
- 230000005484 gravity Effects 0.000 claims description 8
- 230000009471 action Effects 0.000 claims description 7
- 238000009413 insulation Methods 0.000 claims description 5
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 3
- 239000003546 flue gas Substances 0.000 claims description 3
- 230000033001 locomotion Effects 0.000 claims description 3
- 230000005855 radiation Effects 0.000 claims description 3
- 239000005662 Paraffin oil Substances 0.000 claims description 2
- 210000003437 trachea Anatomy 0.000 description 11
- 239000004576 sand Substances 0.000 description 8
- 238000009434 installation Methods 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000000740 bleeding effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000007480 spreading Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Images
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
- G02B6/4447—Cable boxes, e.g. splicing boxes with two or more multi fibre cables with divided shells
-
- 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
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/443—Protective covering
- G02B6/4431—Protective covering with provision in the protective covering, e.g. weak line, for gaining access to one or more fibres, e.g. for branching or tapping
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention belongs to the field of line protection, and particularly relates to an optical fiber line protection method, which uses an optical fiber cable distribution box and comprises a box body, a power supply unit, a separation unit, a power unit, an air release unit, a carbon dioxide compression tank, a baffle and a sealing plate; a communicating gas path is arranged between the right inside of the upper wall of the box body and the right inside of the right wall of the box body, and the gas path communicates the power unit with the carbon dioxide compression tank; the power unit is fixed on the inner wall of the top of the box body; the air discharging unit is positioned on the inner wall of the left side of the top of the box body, the power supply unit is positioned on the outer wall of the upper part of the box body, the separating unit is positioned on the inner walls of the left side and the right side of the box body, a partition is formed on the inner wall of the box body when a fire breaks out, and the baffle is fixedly connected with the; the baffle is positioned below the right side of the box body; the sealing plate is fixedly connected with the baffle plate and is tightly attached to the inner wall of the right side of the box body; the power supply unit also plays the thermal-insulated effect of sunshade except supplying power, separates the unit and separates the box is inside, reduces the scope of catching a fire, has improved fire extinguishing efficiency simultaneously, and the chamber door has the sealing strip, has sealed water-proof effects.
Description
Technical Field
The invention belongs to the field of line protection, and particularly relates to an optical fiber line protection method.
Background
The optical cable distribution box or optical cable distribution box is characterized in that outdoor optical cable signal wires are connected to an optical fiber circuit board, a plurality of optical fiber signal wires are separated from the optical fiber circuit board and are connected to an optical module card of an optical fiber center trunk switch, the access of an optical fiber network is realized, the optical cable distribution box is mainly used for a new construction of a 3G/4G base station of a smart city optical fiber network and a broadband access construction of FTTx, optical fibers are pulled away, remote power supply and the like are in an outdoor environment and need to operate independently, the electromagnetic interference problem is further solved, electric energy is saved, emission is reduced, low carbon and environmental protection are achieved, the optical cable distribution box can be suitable for different installation modes such as overhead installation and hanging rods, and has the characteristic of flexible installation, disassembly and transportation, and can. The existing optical cable fiber distribution box is mainly used for outdoor engineering, because an optical module card which divides a plurality of optical fiber signal lines from an optical fiber circuit board to an optical fiber center trunk switch is arranged in the optical cable fiber distribution box, heat is generated in the transmission process of optical fiber signals, the optical cable fiber distribution box is a relatively closed box body, the temperature inside the box body is increased due to heat gathering, meanwhile, the optical cable fiber distribution box receives rain, and the phenomenon that fire disasters are caused due to circuit short circuit caused by easy water inflow is avoided outdoors.
The optical cable fiber distribution box comprises an optical cable fiber distribution box body and a box door matched with the box body, a sand falling mechanism is arranged at the upper part in the box body, the first sand falling device comprises inclined plates and baffle plates which are symmetrically arranged, fine sand is arranged in a space area enclosed by the inclined plates and the baffle plates, a paraffin column is arranged in a gap formed by the front ends of the two baffle plates, balls are further arranged in the gap and are arranged at the root of the paraffin column, the second sand falling device comprises partition plates which are symmetrically arranged, and an electromagnet switch is arranged at the front ends of the partition plates. This scheme uses fine sand, and in sunshine shining the open air, fine sand is established in the box, plays heat retaining effect, makes the heat accumulation in the box collect up difficult heat dissipation, uses the husky device that falls to put out a fire simultaneously, only can put out a fire to the bottom half, if the box wall is on fire, fine sand can't put out, and the fire control effect is poor, piles up fine sand in the back box of putting out a fire simultaneously and clear up the difficulty, is difficult for the use of quick recovery minute fine case.
This scheme has waterproof poor, and thermal-insulated poor, the fire extinguishing efficiency is low can't put out flame completely, and follow-up recovery uses trouble problem.
Disclosure of Invention
In order to make up the defects of the prior art and solve the problems of poor water resistance, poor heat insulation, low fire extinguishing efficiency, incapability of completely extinguishing flames and trouble in subsequent recovery and use, the invention provides a technical scheme which can solve the problems.
The technical scheme adopted by the invention for solving the technical problems is as follows: a method of protecting an optical fibre line, the method comprising the steps of:
s1: the door of the optical cable fiber distribution box is provided with a sealing strip;
s2: a plurality of holes are uniformly formed in the sealing strip in the S1 and used for storing paraffin;
s3: closing the door provided with the sealing strip in the S1, and adding paraffin oil for sealing;
s4: the optical cable fiber distribution box is sealed, so that a waterproof effect is achieved;
the optical cable fiber distribution box S1 further has a fire extinguishing effect, and comprises a box body, a power supply unit, a separation unit, a power unit, an air release unit, a carbon dioxide compression tank, a baffle and a sealing plate; the box body is provided with a door capable of being opened and closed, so that damaged parts in the box body can be conveniently replaced, and the internal condition of the box body can be conveniently observed; a through hole is formed in the left side of the upper wall of the box body, a through hole is formed below the right side wall of the box body and communicated with the carbon dioxide compression tank, a communicating gas circuit is formed between the inside of the right side of the upper wall of the box body and the inside of the right wall of the box body, one end of the gas circuit is connected with the power unit, and the other end of the gas circuit is connected with the carbon dioxide compression; the power unit is fixed on the inner wall of the top of the box body and used for resetting the separation unit; the air discharging unit is positioned on the inner wall of the left side of the top of the box body and plays a role in exhausting air and discharging smoke in the box body after a fire is started; the power supply unit is positioned on the outer wall of the upper part of the box body; the separation units are positioned on the inner walls of the left side and the right side of the box body and are used for forming a separation on the inner wall of the box body when a fire breaks out, so that the phenomenon that carbon dioxide sprayed suddenly disturbs the air flow in the box body and the fire spreads in the box body instantly is prevented; the baffle is fixedly connected to the separation unit; the baffle is positioned below the right side of the box body; the sealing plate is fixedly connected with the baffle plate and is tightly attached to the inner wall of the right side of the box body, and under the normal condition of the box body, the sealing plate plays a role of sealing a through hole below the right wall of the box body and prevents carbon dioxide in the carbon dioxide compression tank from being sprayed out; the carbon dioxide compression tank is located below the right side of the box body, stores compressed carbon dioxide and is used for extinguishing fire when fire breaks out in the box body. When the interior of the box body is on fire, the power unit is started at high temperature to be communicated with the air in the box body, at the moment, the separation unit can be started smoothly to separate the interior of the box body into a plurality of communicated chambers, the baffle plate and the sealing plate are lifted up due to the start of the separation unit, high-pressure carbon dioxide in the carbon dioxide compression tank is sprayed out, the separation unit forms a partition on the inner wall of the box body to prevent the suddenly sprayed carbon dioxide from disturbing the air flow in the box body, the fire spreading in the box body is caused instantly, the carbon dioxide is lifted up step by step from bottom to top simultaneously, oxygen in the box body can be effectively pushed from bottom to top, the flame is extinguished under the wrapping of the carbon dioxide, the air pressure in the box body is increased due to the injection of the carbon dioxide, the air discharge unit is started when the certain degree is, at the moment, the power unit is switched into a mode, the power unit is communicated with the carbon dioxide compression tank, the separation unit is reset, the baffle and the sealing plate separate the interior of the box body from the carbon dioxide compression tank, one-time automatic fire extinguishing is completed, and the box body door can be continuously used after parts are replaced.
Preferably, the power supply unit comprises a support frame and a solar panel; the support frame is fixed in the middle of the outer wall of the top of the box body, is door-shaped and is used for supporting the solar panel and has a heat insulation effect; solar panel fixes in the support frame top, and solar panel size is unanimous with box top size for absorb the sunlight and produce the electric energy and supply inside to use, also play the effect that blocks sunshine simultaneously, avoid the direct solar radiation box to make the inside temperature of box rise and arouse the conflagration. Optical cable divides fine case generally to be used for the open air, under the sunshine, because inside airtight, the temperature can rise and arouse the conflagration, utilizes solar panel can make full use of sunlight convert the electric energy to provide the inside fire extinguishing systems of box and use on the one hand, can play thermal-insulated sunshade's effect simultaneously, avoids because the direct fire that leads to of sunshine.
Preferably, the power unit comprises a three-way valve, a first air pipe, a second air pipe, a cylinder and a wax ball; the two cylinders are fixedly arranged at the left and right opposite angles above the box body, and the two cylinder telescopic shafts are fixedly connected with the separation unit; the first air pipe is connected with the two air cylinders through a three-way valve; the second air pipe is connected below the three-way valve, and the pipe orifice is sealed by a wax ball; the three-way valve is fixed on the inner wall of the top of the box body and is connected with a box body wall gas path, and the box body wall gas path is communicated with the carbon dioxide compression tank; when under normal conditions, an trachea passes through the three-way valve and is connected with No. two tracheas, the three-way valve seals the gas circuit this moment, because No. two tracheas are sealed by the wax ball, the event cylinder is located that encapsulated situation can't stretch or shrink, when the internal fire of box, the wax stone melts, inside No. two gas circuit connection boxes, the cylinder can shrink when the encapsulated situation is relieved to the cylinder, when the internal fire of box goes out, the three-way valve cuts off trachea and No. two tracheas, the three-way valve with trachea and gas circuit intercommunication, make the cylinder stretch out through pouring into carbon dioxide into, will separate the unit and reset.
Preferably, the separation unit comprises a rack, a connecting shaft, a gear and a separation mechanism; the two racks are oppositely fixed on the left side wall and the right side wall of the box body, and the upper ends of the racks are fixedly connected with the air cylinder; at least eight gears are positioned, bilaterally and symmetrically meshed with the rack through eight connecting shafts respectively, and the gears can rotate; the separating mechanism is fixedly connected with the end face of the right side of the gear, and the gear rotates to drive the separating mechanism to rotate; under normal conditions, the left and right separating mechanisms are vertically and upwards attached to the end faces of the racks, and when a fire breaks out, the two separating mechanisms rotate by 90 degrees and then are connected into a horizontal line to separate the interior of the box body. When a fire breaks out, because the temperature rises and separates the mechanism under self thrust effect, including self gravity overturns, it is rotatory to drive the gear, the rack shifts up to rotate to the gear, because power unit trachea and trachea No. two intercommunication this moment, the cylinder is free to stretch out and draw back by the gas restraint, so do not influence the rising of rack, the symmetrical separating mechanism in left and right sides rotates back and links into a water flat line, separate the box inside, can effectively prevent the intensity of a fire from stretching, reduce the scope of flame burning, after flame extinguishes, trachea and trachea No. two of three-way pipe are disconnected, trachea and gas circuit connection No. one, the cylinder pours into carbon dioxide into, the cylinder telescopic link stretches out and resets the rack, the rack moves down, it is rotatory to drive the gear, the rotatory resetting of separating mechanism that drives of gear.
Preferably, the partition mechanism comprises a fixed shaft, a partition plate, a mercury cylinder, a spring and a connecting block; the mercury cylinder penetrates through the partition plate and is fixedly installed, the mercury cylinder is in contact with the inner wall of the box body in a normal state, when the fire temperature in the box body rises, the mercury cylinder extends out to push the partition plate to rotate, and meanwhile, the partition mechanism is turned over under the action of gravity; the fixed shaft is T-shaped, one end of the fixed shaft is fixedly connected with the end face of the right side of the gear, the T-shaped end penetrates through the cylindrical groove of the right side of the partition plate, the fixed shaft is connected inside the partition plate through a spring, and the partition plate can complete telescopic motion through the matching of the fixed shaft and the spring; the connecting block is fixed on the end face above the partition plate and used for connecting the partition plates on the left side and the right side in the horizontal direction. When the inside fire that catches fire of box, the temperature risees, and the mercury cylinder stretches out, promotes the division board and rotates, separates the mechanism and accomplishes the upset simultaneously under the action of gravity, because the connecting block is magnet, and the both sides correspond the partition mechanism and when the upset, receive magnetic attraction mutually, are close to each other, and the division board is tensile, and the partition mechanism that final box inside both sides correspond adsorbs together, accomplishes the partition for the box inner space.
Preferably, the connecting block is a magnet, the two side separation plates can attract each other when rotating and falling down through the magnet, the separation plates are stretched, and meanwhile the two side separation plates are connected together to form a partition; the outer diameter of the T-shaped end of the fixing shaft is consistent with the inner diameter of the cylindrical groove in the partition plate, the partition plate is prevented from shaking, and the stability of the partition mechanism is improved.
Preferably, the air discharging unit comprises an air discharging pipe, an electromagnetic valve and a pressure sensor; the gas release pipe penetrates through a through hole in the left side of the top end of the box body, communicates the interior of the box body with the outside and is used for discharging smoke in the box body during fire; the electromagnetic valve is arranged on the air exhaust pipe and positioned outside the box body, and is used for controlling the air exhaust pipe to exhaust air, the electromagnetic valve is opened, the air exhaust pipe is communicated, air can only be exhausted from the box body, and outside air cannot enter the box body through the air exhaust pipe; the pressure sensor is fixedly installed on the inner wall of the top of the box body, when carbon dioxide enters the box body, the pressure sensor senses that the electromagnetic valve is opened, the air exhaust pipe begins to exhaust air, residual oxygen in the box body can be exhausted, smoke is prevented from being left, and the fire extinguishing effect is improved.
Preferably, be equipped with the hole of evenly arranging on the sealing strip, downthehole being used for storing paraffin, can in time supply the paraffin of hot dissolving at sealed in-process, keep permanent sealed, promote water-proof effects, paraffin can prevent the ageing corruption of sealing strip simultaneously.
Therefore, the invention has the following beneficial effects:
1. according to the optical fiber line protection method, the solar panel is utilized, on one hand, sunlight can be fully utilized and converted into electric energy to be supplied to a fire extinguishing system in the box body for use, and meanwhile, the effects of heat insulation and sun shading can be achieved, and the fire caused by direct sunlight is avoided;
2. according to the optical fiber line protection method, the pressure sensor and the electromagnetic valve are used, exhaust and fire extinguishing effects can be achieved, when carbon dioxide enters the box body and the pressure reaches a certain degree, the pressure sensor senses that the electromagnetic valve is opened, the air exhaust pipe starts to exhaust air, residual oxygen in the box body can be exhausted, smoke is prevented from remaining, and the fire extinguishing effect is improved.
3. According to the optical fiber circuit protection method, the isolation and fire extinguishing effects are achieved through the separation units, when the separation mechanisms which are symmetrical on the left side and the right side rotate, the separation mechanisms are connected into a horizontal line to separate the interior of the box body, so that the fire spread can be effectively prevented, the flame burning range is reduced, carbon dioxide can be controlled to pass through each chamber step by step, oxygen can be effectively removed, the fire is extinguished in time, and the fire extinguishing efficiency is improved;
4. according to the optical fiber circuit protection method, the sealing strips are arranged through the box door, the sealing strips are provided with the uniformly distributed holes, and the holes are used for storing paraffin wax, so that the thermally dissolved paraffin wax can be supplemented in time in the sealing process, the long sealing is kept, the waterproof effect is improved, and meanwhile, the paraffin wax can prevent the sealing strips from being aged and corroded.
Drawings
FIG. 1 is a flow chart of a method of the present invention;
FIG. 2 is a front view of the present invention in a normal state;
FIG. 3 is a cross-sectional view A-A of FIG. 2;
FIG. 4 is a front view of the present invention after a fire has occurred;
FIG. 5 is a front view of the partition mechanism;
in the figure: the device comprises a box body 1, a power supply unit 2, a separation unit 3, a power unit 4, an air release unit 5, a carbon dioxide compression tank 6, a baffle plate 7, a sealing plate 8, an air passage 9, a support frame 21, a solar panel 22, a three-way valve 41, a first air pipe 42, a second air pipe 43, an air cylinder 44, a wax ball 45, a rack 31, a connecting shaft 32, a gear 33, a separation mechanism 34, a fixed shaft 341, a separation plate 342, a mercury air cylinder 343, a spring 344, a connecting block 345, an air release pipe 51, an electromagnetic valve 52 and a pressure sensor 53.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
As shown in fig. 1 to 5, the present invention relates to a method for protecting an optical fiber line, which comprises a box body 1, a power supply unit 2, a separation unit 3, a power unit 4, a gas release unit 5, a carbon dioxide compression tank 6, a baffle 7 and a sealing plate 8; the box body 1 is provided with a door capable of being opened and closed, so that damaged parts in the box body 1 can be conveniently replaced, and the internal condition of the box body 1 can be observed; a through hole is formed in the left side of the upper wall of the box body 1, a through hole is also formed below the right side wall of the box body 1 and is communicated with the carbon dioxide compression tank 6, a communicating gas circuit 9 is formed in the right side inner part of the upper wall of the box body 1 and the right wall inner part of the box body 1, one end of the gas circuit 9 is connected with the power unit 4, and the other end of the gas circuit is connected with the carbon dioxide compression tank 6; the power unit 4 is fixed on the inner wall of the top of the box body 1 and is used for resetting the separation unit 3; the air discharging unit 5 is positioned on the inner wall of the left side of the top of the box body 1 and plays a role in exhausting air and discharging smoke in the box body 1 after a fire is started; the power supply unit 2 is positioned on the outer wall of the upper part of the box body 1; the separation units 3 are positioned on the inner walls of the left side and the right side of the box body 1 and are used for forming a partition on the inner wall of the box body 1 when a fire breaks out, so that the phenomenon that carbon dioxide sprayed suddenly disturbs the air flow in the box body 1 and the fire spreads in the box body 1 in a moment is prevented; the baffle 7 is fixedly connected to the separation unit 3; the baffle 7 is positioned below the right side of the box body 1; the sealing plate 8 is fixedly connected with the baffle 7, the sealing plate 8 is tightly attached to the inner wall of the right side of the box body 1, and under the normal condition of the box body 1, the sealing plate 8 plays a role in sealing a through hole below the right wall of the box body 1 to prevent carbon dioxide in the carbon dioxide compression tank 6 from being sprayed out; the carbon dioxide compression tank 6 is located below the right side of the box body 1, stores compressed carbon dioxide and is used for extinguishing fire when a fire breaks out in the box body 1. When the interior of the box body 1 is on fire, the power unit 4 is started at high temperature to be communicated with the air in the box body 1 due to the temperature rise, the separation unit 3 can be started smoothly, the interior of the box body 1 is divided into a plurality of communicated chambers, the baffle 7 and the sealing plate 8 are lifted due to the start of the separation unit 3, high-pressure carbon dioxide in the carbon dioxide compression tank 6 is sprayed out, the separation unit 3 forms a partition on the inner wall of the box body 1 to prevent the carbon dioxide sprayed suddenly from disturbing the air flow in the interior of the box body 1, the fire instantly spreads in the interior of the box body 1, and simultaneously the carbon dioxide is gradually raised from bottom to top, so that the oxygen in the box body 1 can be effectively pushed from bottom to top, the flame is extinguished under the wrapping of the carbon dioxide, the air discharge unit 5 is started when the pressure in the box body 1 rises to a certain degree due to the injection of the carbon dioxide, and the smoke, at this moment, the power unit 4 is in a conversion mode, the power unit 4 is communicated with the carbon dioxide compression tank 6, the separation unit 3 is reset, the baffle 7 and the sealing plate 8 separate the interior of the box body 1 from the carbon dioxide compression tank 6, one-time automatic fire extinguishing is completed, and the box body 1 can be continuously used only by opening a door to replace parts and parts subsequently.
As an embodiment of the present invention, the power supply unit 2 includes a support frame 21 and a solar panel 22; the support frame 21 is fixed in the middle of the outer wall of the top of the box body 1, and the support frame 21 is door-shaped and used for supporting the solar panel 22 and playing a role in heat insulation; solar panel 22 is fixed in support frame 21 top, and solar panel 22 size is unanimous with box 1 top size for absorb the sunlight and produce the electric energy and supply inside use, also play the effect that blocks sunshine simultaneously, avoid the direct solar radiation box 1 to make the inside temperature of box 1 rise and arouse the conflagration. Optical cable divides fine case generally to be used for the open air, under the sunshine, because inside airtight, the temperature can rise and arouse the conflagration, utilizes solar panel 22 on the one hand can make full use of sunlight convert the electric energy to provide the inside fire extinguishing systems of box 1 and use, can play thermal-insulated sunshade's effect simultaneously, avoids because the direct fire that leads to of sunshine is on fire.
As an embodiment of the present invention, the power unit 4 includes a three-way valve 41, a first air pipe 42, a second air pipe 43, a cylinder 44 and a wax ball 45; the two cylinders 44 are fixedly arranged at the left and right opposite angles above the box body 1, and telescopic shafts of the two cylinders 44 are fixedly connected with the separation unit 3; the first air pipe 42 is connected with two air cylinders 44 through a three-way valve 41; the second air pipe 43 is connected below the three-way valve 41, and the pipe orifice is sealed by a wax ball 45; the three-way valve 41 is fixed on the inner wall of the top of the box body 1 and is connected with the gas path 9 on the wall of the box body 1, and the gas path 9 on the wall of the box body 1 is communicated with the carbon dioxide compression tank 6; under normal conditions, the first air pipe 42 is connected with the second air pipe 43 through the three-way valve 41, the three-way valve 41 seals the air passage 9, the second air pipe 43 is sealed by the wax ball 45, so that the air cylinder 44 cannot be stretched or contracted in a sealed state, when a fire occurs in the box body 1, the wax block is melted, the second air passage 9 is connected with the inside of the box body 1, the air cylinder 44 can be contracted when the air cylinder 44 is in a sealed state, when the fire is extinguished in the box body 1, the first air pipe 42 is separated from the second air pipe 43 through the three-way valve 41, the first air pipe 42 is communicated with the air passage 9 through the three-way valve 41, the air cylinder 44 extends out through injecting carbon dioxide, and the.
As an embodiment of the present invention, the partition unit 3 includes a rack 31, a connecting shaft 32, a gear 33, and a partition mechanism 34; the two racks 31 are relatively fixed on the left side wall and the right side wall of the box body 1, and the upper ends of the racks 31 are fixedly connected with the air cylinder 44; at least eight gears 33 are positioned pairwise and bilaterally symmetrically through eight connecting shafts 32 and are meshed with the racks 31, and the gears 33 can rotate; the separating mechanism 34 is fixedly connected with the end face of the right side of the gear 33, and the gear 33 rotates to drive the separating mechanism 34 to rotate; under normal conditions, the left and right separating mechanisms 34 are vertically and upwards attached to the end face of the rack 31, and when a fire occurs, the separating mechanisms 34 on the two sides rotate by 90 degrees and then are connected into a horizontal line to separate the interior of the box body 1. When a fire breaks out, the separation mechanism 34 is overturned under the action of self thrust and the self gravity to drive the gear 33 to rotate, the gear 33 rotates to drive the rack 31 to move upwards, at the moment, the first air pipe 42 and the second air pipe 43 of the power unit 4 are communicated, and the air cylinder 44 can freely stretch and retract without being restricted by air, so that the ascending of the rack 31 is not influenced, the separation mechanisms 34 which are symmetrical on the left side and the right side are connected into a horizontal line after rotating, the interior of the box body 1 is separated, the fire spreading can be effectively prevented, the flame combustion range is reduced, when the flame is extinguished, the first air pipe 42 and the second air pipe 43 of the three-way pipe are disconnected, the first air pipe 42 is connected with the air passage 9, carbon dioxide is injected into the air cylinder 44, the telescopic rod of the air cylinder 44 extends out to reset the rack 31, the rack 31 moves downwards to drive the.
As an embodiment of the present invention, the partition mechanism 34 includes a fixed shaft 341, a partition plate 342, a mercury cylinder 343, a spring 344, and a connecting block 345; the mercury cylinder 343 penetrates through the partition plate 342 to be fixedly installed, the mercury cylinder 343 is in contact with the inner wall of the box body 1 in a normal state, when the temperature of fire in the box body 1 rises, the mercury cylinder 343 extends out to push the partition plate 342 to rotate, and meanwhile, the partition mechanism 34 is overturned under the action of gravity; the fixed shaft 341 is T-shaped, one end of the fixed shaft 341 is fixedly connected with the right end face of the gear 33, the T-shaped end passes through the right cylindrical groove of the partition plate 342, the fixed shaft 341 is connected inside the partition plate 342 through a spring 344, and the partition plate 342 can complete telescopic movement through the matching of the fixed shaft 341 and the spring 344; the connecting block 345 is fixed on the upper end surface of the partition plate 342 and used for connecting the partition plates 342 at the left and right sides in the horizontal direction. When the inside of box 1 is on fire, the temperature rises, and mercury cylinder 343 stretches out, promotes division board 342 and rotates, separates mechanism 34 and accomplishes the upset simultaneously under the action of gravity, because connecting block 345 is magnet, and both sides correspond to separate mechanism 34 and when the upset, receive magnetic attraction mutually, are close to each other, and division board 342 is tensile, and finally the inside both sides of box 1 correspond separate mechanism 34 adsorb together, accomplish the partition for the internal space of box 1.
In one embodiment of the present invention, the connecting block 345 is a magnet, and the magnet can attract the two side separation plates 342 to each other when the two side separation plates 342 rotate and fall down, so as to stretch the separation plates 342 and connect the two side separation plates 342 together to form a partition; the outer diameter of the T-shaped end of the fixed shaft 341 is consistent with the inner diameter of the cylindrical groove on the partition plate 342, so that the partition plate 342 is prevented from shaking, and the stability of the partition mechanism 34 is improved.
As an embodiment of the present invention, the air bleeding unit 5 includes an air bleeding pipe 51, an electromagnetic valve 52, and a pressure sensor 53; the air discharging pipe 51 penetrates through a through hole in the left side of the top end of the box body 1, communicates the interior of the box body 1 with the outside, and is used for discharging smoke in the box body 1 during fire; the electromagnetic valve 52 is arranged on the air exhaust pipe 51 and positioned outside the box body 1, and is used for controlling the air exhaust pipe 51 to exhaust air, the electromagnetic valve 52 is opened, the air exhaust pipe 51 is open, air can only be exhausted from the box body 1, and outside air cannot enter the box body 1 through the air exhaust pipe 51; pressure sensor 53 fixed mounting gets into carbon dioxide in box 1 top inner wall, and when pressure reached certain degree in the box 1, pressure sensor 53 responded to and opens solenoid valve 52, and gas release pipe 51 begins to exhaust, can discharge remaining oxygen in the box 1, prevents that the flue gas from remaining and improving fire control effect.
When the inside of the box body 1 is on fire, the wax block is melted due to the temperature rise, the second air passage 9 is connected with the inside of the box body 1, the cylinder 44 can be contracted and not limited when the cylinder 44 is in a sealing state, the separation unit 3 can be started smoothly at the moment, the temperature rises, the mercury cylinder 343 extends out to push the separation plate 342 to rotate, simultaneously the separation mechanism 34 is overturned under the action of gravity, because the connecting block 345 is a magnet, the separation mechanisms 34 corresponding to two sides are attracted by magnetic force when overturned, the separation plate 342 is stretched, finally the separation mechanisms 34 corresponding to two sides in the box body 1 are adsorbed together, the separation of the space in the box body 1 is completed to separate the inside of the box body 1 into a plurality of communicated chambers, because the separation unit 3 is started, the baffle plate 7 and the sealing plate 8 are lifted, the high-pressure carbon dioxide in the carbon dioxide compression tank 6 is, the carbon dioxide sprayed suddenly is prevented from disturbing the air flow in the box body 1, the fire is caused to spread in the box body 1 instantly, meanwhile, the carbon dioxide is enabled to rise step by step from bottom to top, the oxygen in the box body 1 can be effectively pushed from bottom to top, the flame is extinguished under the wrapping of the carbon dioxide, as the air pressure in the box body 1 injected with the carbon dioxide rises, the air discharging unit 5 is started when reaching a certain degree, the smoke, the redundant carbon dioxide and the oxygen in the box body 1 are all discharged under the pushing of the carbon dioxide, at the moment, the power unit 4 is switched into a mode, the power unit 4 is communicated with the carbon dioxide compression tank 6, the first three-way pipe, the first air pipe 42 and the second air pipe 43 are disconnected, the first air pipe 42 is connected with the air passage 9, the carbon dioxide is injected into the air cylinder 44, the telescopic rod of the air cylinder 44 extends out to reset the, baffle 7 and closing plate 8 cut off box 1 inside and carbon dioxide compression jar 6, accomplish an automatic fire extinguishing, get into carbon dioxide in the box 1, when pressure reached the certain degree, pressure sensors 53 responded to and open solenoid valve 52, and gas release pipe 51 begins the exhaust, can be with remaining oxygen discharge in the box 1, prevents that the flue gas from remaining and improving the fire control effect, and follow-up only need open box 1 door replacement part spare part can continue to use.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. A method for protecting an optical fiber line, comprising: the method comprises the following steps:
s1: the door of the optical cable fiber distribution box is provided with a sealing strip;
s2: a plurality of holes are uniformly formed in the sealing strip in the S1 and used for storing paraffin;
s3: closing the door provided with the sealing strip in the S1, and adding paraffin oil for sealing;
s4: the optical cable fiber distribution box is sealed, so that a waterproof effect is achieved;
the optical cable fiber distribution box S1 further has a fire extinguishing effect and comprises a box body (1), a power supply unit (2), a separation unit (3), a power unit (4), an air release unit (5), a carbon dioxide compression tank (6), a baffle (7) and a sealing plate (8); the box body (1) is provided with a door capable of being opened and closed, so that damaged parts in the box body (1) can be conveniently replaced, and the internal condition of the box body (1) can be observed; a through hole is formed in the left side of the upper wall of the box body (1), a through hole is formed below the right side wall of the box body (1) and communicated with the carbon dioxide compression tank (6), a communicated gas circuit (9) is formed in the right side inner part of the upper wall of the box body (1) and the right wall inner part of the box body (1), one end of the gas circuit (9) is connected with the power unit (4), and the other end of the gas circuit is connected with the carbon dioxide compression tank (6); the power unit (4) is fixed on the inner wall of the top of the box body (1) and is used for resetting the separation unit (3); the air discharging unit (5) is positioned on the inner wall of the left side of the top of the box body (1) and plays a role in exhausting air and discharging smoke in the box body (1) after a fire is started; the power supply unit (2) is positioned on the outer wall of the upper part of the box body (1); the separation units (3) are positioned on the inner walls of the left side and the right side of the box body (1) and are used for forming a partition on the inner wall of the box body (1) when a fire breaks out, so that the phenomenon that carbon dioxide sprayed suddenly disturbs the air flow in the box body (1) and the fire spreads in the box body (1) in a moment is prevented; the baffle (7) is fixedly connected to the separation unit (3); the baffle (7) is positioned below the right side of the box body (1); the sealing plate (8) is fixedly connected with the baffle (7), the sealing plate (8) is tightly attached to the inner wall of the right side of the box body (1), and under the normal condition of the box body (1), the sealing plate (8) plays a role in sealing a through hole below the right wall of the box body (1) to prevent carbon dioxide in the carbon dioxide compression tank (6) from being sprayed out; the carbon dioxide compression tank (6) is located below the right side of the box body (1) and stores compressed carbon dioxide for extinguishing fire when a fire breaks out in the box body (1).
2. A method for protecting an optical fiber line according to claim 1, wherein: the power supply unit (2) comprises a support frame (21) and a solar panel (22); the support frame (21) is fixed in the middle of the outer wall of the top of the box body (1), and the support frame (21) is door-shaped and used for supporting the solar panel (22) and playing a role in heat insulation; solar panel (22) are fixed in support frame (21) top, and solar panel (22) size is unanimous with box (1) top size for absorb the sunlight and produce the electric energy and supply inside use, also play the effect that blocks sunshine simultaneously, avoid the direct solar radiation box (1) to make the inside temperature rise of box (1) arouse the conflagration.
3. A method for protecting an optical fiber line according to claim 1, wherein: the power unit (4) comprises a three-way valve (41), a first air pipe (42), a second air pipe (43), an air cylinder (44) and a wax ball (45); the two cylinders (44) are fixedly arranged at the left and right opposite angles above the box body (1), and telescopic shafts of the two cylinders (44) are fixedly connected with the separation unit (3); the first air pipe (42) is connected with two air cylinders (44) through a three-way valve (41); the second air pipe (43) is connected below the three-way valve (41), and the pipe orifice is sealed by a wax ball (45); the three-way valve (41) is fixed on the inner wall of the top of the box body (1) and is connected with a wall gas path (9) of the box body (1), and the wall gas path (9) of the box body (1) is communicated with the carbon dioxide compression tank (6); under normal conditions, the first air pipe (42) is connected with the second air pipe (43) through the three-way valve (41), the three-way valve (41) seals the air passage (9), the second air pipe (43) is sealed by the wax ball (45), the air cylinder (44) cannot be stretched or contracted when being in a sealed state, when fire breaks out in the box body (1), the wax block is melted, the second air passage (9) is connected with the inside of the box body (1), the air cylinder (44) can be contracted when the air cylinder (44) is in a sealing-free state, when the fire breaks out in the box body (1), the three-way valve (41) separates the first air pipe (42) from the second air pipe (43), the three-way valve (41) enables the first air pipe (42) to be communicated with the air passage (9), the air cylinder (44) extends out through injecting carbon dioxide, and the separation unit (3) is reset.
4. A method for protecting an optical fiber line according to claim 3, wherein: the separation unit (3) comprises a rack (31), a connecting shaft (32), a gear (33) and a separation mechanism (34); the two racks (31) are relatively fixed on the left side wall and the right side wall of the box body (1), and the upper ends of the racks (31) are fixedly connected with the air cylinder (44); at least eight gears (33) are positioned pairwise and bilaterally symmetrically through eight connecting shafts (32) and are meshed with the racks (31), and the gears (33) can rotate; the separating mechanism (34) is fixedly connected with the end face of the right side of the gear (33), and the gear (33) rotates to drive the separating mechanism (34) to rotate; under the normal state, the left and right side separating mechanisms (34) are vertically and upwards attached to the end face of the rack (31), and when a fire happens, the two side separating mechanisms (34) are rotated by 90 degrees and then connected into a horizontal line to separate the interior of the box body (1).
5. The method of claim 4, wherein: the separation mechanism (34) comprises a fixed shaft (341), a separation plate (342), a mercury cylinder (343), a spring (344) and a connecting block (345); the mercury cylinder (343) penetrates through the partition plate (342) to be fixedly installed, the mercury cylinder (343) is in contact with the inner wall of the box body (1) in a normal state, when the temperature of fire in the box body (1) rises, the mercury cylinder (343) extends out to push the partition plate (342) to rotate, and meanwhile, the partition mechanism (34) is overturned under the action of gravity; the fixed shaft (341) is T-shaped, one end of the fixed shaft (341) is fixedly connected with the end face of the right side of the gear (33), the T-shaped end penetrates through the cylindrical groove of the right side of the partition plate (342), the fixed shaft (341) is connected inside the partition plate (342) through a spring (344), and the partition plate (342) can complete telescopic motion through the matching of the fixed shaft (341) and the spring (344); the connecting block (345) is fixed on the upper end surface of the partition plate (342) and is used for connecting the partition plates (342) at the left side and the right side in the horizontal direction.
6. The method of claim 5, wherein: the connecting block (345) is a magnet, the separating plates (342) at the two sides can attract each other when rotating and falling down through the magnet, the separating plates (342) are stretched, and the separating plates (342) at the two sides are connected together to form a partition; the outer diameter of the T-shaped end of the fixed shaft (341) is consistent with the inner diameter of a cylindrical groove in the partition plate (342), so that the partition plate (342) is prevented from shaking, and the stability of the partition mechanism (34) is improved.
7. A method for protecting an optical fiber line according to claim 1, wherein: the air discharging unit (5) comprises an air discharging pipe (51), an electromagnetic valve (52) and a pressure sensor (53); the gas release pipe (51) penetrates through a through hole in the left side of the top end of the box body (1), communicates the interior of the box body (1) with the outside and is used for discharging smoke in the box body (1) during fire; the electromagnetic valve (52) is arranged on the air exhaust pipe (51) and positioned on the outer side of the box body (1) and used for controlling the air exhaust pipe (51) to exhaust air, the electromagnetic valve (52) is opened, the air exhaust pipe (51) is communicated, air can only be exhausted from the box body (1), and outside air cannot enter the box body (1) through the air exhaust pipe (51); pressure sensor (53) fixed mounting gets into carbon dioxide in box (1) top inner wall, and when pressure reached certain degree, pressure sensor (53) response was opened solenoid valve (52), and gas release pipe (51) begin to exhaust, can be with remaining oxygen discharge in box (1), prevents that the flue gas from remaining and improving the fire control effect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811023309.7A CN109143504B (en) | 2018-09-03 | 2018-09-03 | Optical fiber line protection method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811023309.7A CN109143504B (en) | 2018-09-03 | 2018-09-03 | Optical fiber line protection method |
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| CN109143504A CN109143504A (en) | 2019-01-04 |
| CN109143504B true CN109143504B (en) | 2020-05-15 |
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| CN201811023309.7A Active CN109143504B (en) | 2018-09-03 | 2018-09-03 | Optical fiber line protection method |
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Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5703191A (en) * | 1995-09-01 | 1997-12-30 | Corning Incorporated | Method for purifying polyalkylsiloxanes and the resulting products |
| JP3908454B2 (en) * | 2000-10-16 | 2007-04-25 | ニッタン株式会社 | Fire detection device and method of using the same |
| WO2004005216A1 (en) * | 2002-07-09 | 2004-01-15 | Kenichiro Miyahara | Substrate for forming thin film, thin film substrate, optical wave guide, luminescent element and substrate for carrying luminescent element |
| CN204103335U (en) * | 2014-08-05 | 2015-01-14 | 汇网电气有限公司 | The SMC electronic box of self-extinguishing |
| CN104503046B (en) * | 2014-12-02 | 2017-11-07 | 宁波市令通电信设备有限公司 | A kind of fiber cable cross connection box |
| CN205750043U (en) * | 2016-06-15 | 2016-11-30 | 河北阳天通信科技有限公司 | Novel optical cable fiber-dividing box |
| CN205920258U (en) * | 2016-08-26 | 2017-02-01 | 国网河南省电力公司南阳供电公司 | Fixed net cabinet of joining in marriage of fiber cable joint |
| CN207530368U (en) * | 2017-10-31 | 2018-06-22 | 天津市凯源新能电气有限公司 | A kind of moisture-proof dust-proof safe power distribution box of high efficiency and heat radiation |
| CN107728274B (en) * | 2017-11-14 | 2020-12-18 | 深圳市讯禾实业有限公司 | Multifunctional optical fiber distribution box for communication equipment |
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Effective date of registration: 20200414 Address after: 510000 4th Floor, Shenzhou Road, Guangzhou Science City, Luogang District, Guangzhou City, Guangdong Province Applicant after: GUANGZHOU BROADBAND BACKBONE NETWORK Co.,Ltd. Address before: 210007 Nanjing University of Aeronautics & Astronautics, 29, Yu Dao Street, Bai Xia District, Nanjing, Jiangsu Applicant before: Li Xunqi |
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