CN114859488A - Flame-retardant and fire-resistant optical cable - Google Patents
Flame-retardant and fire-resistant optical cable Download PDFInfo
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- CN114859488A CN114859488A CN202210452820.9A CN202210452820A CN114859488A CN 114859488 A CN114859488 A CN 114859488A CN 202210452820 A CN202210452820 A CN 202210452820A CN 114859488 A CN114859488 A CN 114859488A
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- 230000003287 optical effect Effects 0.000 title claims abstract description 79
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 title claims abstract description 31
- 239000003063 flame retardant Substances 0.000 title claims abstract description 31
- 230000009970 fire resistant effect Effects 0.000 title claims abstract description 24
- 230000001681 protective effect Effects 0.000 claims description 32
- 239000000843 powder Substances 0.000 claims description 21
- 238000009413 insulation Methods 0.000 claims description 18
- 229920000742 Cotton Polymers 0.000 claims description 16
- 239000000956 alloy Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 9
- 229910001285 shape-memory alloy Inorganic materials 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 230000000903 blocking effect Effects 0.000 claims description 4
- 238000013461 design Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 9
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- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
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- 239000000779 smoke Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- KHDSWONFYIAAPE-UHFFFAOYSA-N silicon sulfide Chemical compound S=[Si]=S KHDSWONFYIAAPE-UHFFFAOYSA-N 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/4436—Heat resistant
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
- F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D31/00—Other cooling or freezing apparatus
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The invention belongs to the field of optical communication transmission, and particularly relates to a flame-retardant fire-resistant optical cable which comprises a cable core and a sheath; the guide core is fixedly connected inside the sheath; cable cores which are uniformly arranged are arranged in a gap between the guide core and the sheath, elastic parts are fixedly connected between every two adjacent cable cores, and the cable cores close to the position of the guide core are fixedly connected with the guide core; a catheter is arranged outside the sheath; through the inside with even distribution of cable core in the sheath, and be equipped with the elastic component between the cable core, because the elastic component has elasticity, at the in-process of transportation, make to be in the detached state all the time between the inside cable core of sheath, reduce the bending and wearing and tearing between the cable core, simultaneously because there is the space between the cable core, and do not directly laminate between and the sheath, reduced thermal transmission, and then reduce the rising of cable core temperature, improve cable core high temperature resistance, and then realize the protection to the cable core under the high temperature condition.
Description
Technical Field
The invention belongs to the field of optical communication transmission, and particularly relates to a flame-retardant fire-resistant optical cable.
Background
The optical cable is a communication line for realizing optical signal transmission, and with the development of modern information technology, the optical cable plays a crucial role in information communication throughout the world.
The invention discloses a flame-retardant fire-resistant optical cable with publication number CN103064163A, which has strong flame-retardant fire-resistant performance and ensures that the optical cable keeps light permeability during high-temperature combustion and cooling; the high-grade flame-retardant fire-resistant low-smoke halogen-free sheath enables the optical cable to have high oxygen index, good flame-retardant effect, low smoke, high light transmittance and strong nucleation after combustion, and combustion residues are a hard profile layer; the ceramic silicon sulfide rubber fireproof layer can resist fire up to 1200-1500 ℃; meanwhile, the steel belt enables the optical cable to keep quite high strength and rigidity after being burnt; the two points effectively reduce the influence of internal stress of different components of the optical cable after combustion, further ensure the light transmission performance of the optical cable, block and delay the combustion of the optical cable from outside to inside, and further strengthen the flame-retardant and fire-resistant performance of the optical cable.
In the prior art, when the optical cable is used under a high-temperature environment condition, such as a use condition of monitoring the state in a high-temperature furnace, the optical cable is easily influenced by high temperature, in order to ensure the heat resistance and flame retardant property of the optical cable, material improvements are made on a sheath of the optical cable, such as using high-temperature resistant and flame retardant materials, but the continuous high temperature easily influences the data transmission of the cable core, and under the condition of overhigh temperature, the problem of optical cable damage can be caused.
Therefore, the invention provides a flame-retardant fire-resistant optical cable.
Disclosure of Invention
To remedy the deficiencies of the prior art, at least one of the technical problems set forth in the background is addressed.
The technical scheme adopted by the invention for solving the technical problems is as follows: the flame-retardant fire-resistant optical cable comprises a cable core and a sheath; the guide core is fixedly connected inside the sheath; the guide core is designed to have a three-jaw structure, and the three jaws of the guide core are fixedly connected with the inner surface of the sheath; cable cores which are uniformly arranged are arranged in a gap between the guide core and the sheath, elastic parts are fixedly connected between every two adjacent cable cores, and the cable cores close to the position of the guide core are fixedly connected with the guide core; a catheter is arranged outside the sheath; the top surface of the guide pipe is fixedly connected with a first connecting block and a second connecting block; the inner part of the first connecting block is fixedly connected with a fan, the air inlet of the fan is connected with the outside atmosphere, and the air outlet of the fan is communicated with the inner part of the guide pipe; an exhaust pipe is fixedly connected inside the second connecting block, one end of the exhaust pipe is connected with the guide pipe, and the other end of the exhaust pipe is connected with the outside atmosphere; the inner part of the guide pipe is fixedly connected with uniformly arranged supporting guide blocks; a temperature sensor is arranged inside the supporting guide block; when the optical cable works, when the optical cable is used under a high-temperature environment condition, such as a use condition of monitoring the state in a high-temperature furnace, the optical cable is easily influenced by high temperature, in order to ensure the heat resistance and the flame retardant property of the optical cable, material improvements are made on a sheath of the optical cable, such as the use of high-temperature resistant and flame retardant materials, but the continuous high temperature easily influences the data transmission of a cable core, and the problem of optical cable damage is caused under the condition of overhigh temperature, therefore, the invention provides the optical cable, which is specially applied under the environment condition of high temperature or large temperature change, when the environment temperature rises, a temperature sensor positioned in a supporting guide block can sense the temperature change in time, when the temperature exceeds a set upper limit value, a signal can be sent to a control system, the fan is automatically controlled to start, the fan can lead gas far away from a heat source into the interior of the guide pipe continuously, and then the gas can flow in the same direction in an exhaust pipe, finally discharge through the blast pipe, through the air current that constantly flows, in time cool down the inside of pipe, because the optical cable is located the inside of pipe, guaranteed that the optical cable ambient temperature is in safe scope, simultaneously when designing the optical cable, through the inside with the even distribution of cable core in the sheath, and be equipped with the elastic component between the cable core, because the elastic component has elasticity, in the in-process of transportation, make and be in the detached state all the time between the inside cable core of sheath, reduce the bending and the wearing and tearing between the cable core, simultaneously because there is the space between the cable core, and with directly not laminating between the sheath, thermal transmission has been reduced, and then reduce the rising of reduction cable core temperature, improve cable core high temperature resistance, and then realize the protection of cable core under the high temperature condition.
Preferably, the elastic part is of a spring structure and is designed by a memory alloy material; the during operation, through the structure of designing the elastic component as the spring, and the elastic component is the memory alloy material, after the temperature risees, the memory alloy material can contract automatically for the cable core that is in the dispersed state all draws in towards leading the core position automatically, makes the sheath be kept away from to the cable core, improves the protection effect to the cable core, and the cable core of the state of drawing in simultaneously can strengthen the protection effect to being close to leading core position cable core.
Preferably, first air bags which are uniformly arranged are fixedly connected between the cable cores; an air guide channel is formed in the guide core; a first connecting pipe is connected between the first air bag and the air guide channel; a sliding groove is formed in the side surface of the second connecting block; a sliding block is connected inside the sliding groove in a sliding manner; the bottom of the sliding groove is fixedly connected with a second air bag; a second connecting pipe is connected between the second air bag and the air guide channel; during operation, through set up first gasbag between the cable core, under the high temperature condition, when drawing in automatically between the cable core, first gasbag can be extruded to the cable core, make the inside gas of first gasbag through the inside that corresponds all leading-in air guide channel of first connecting pipe, through the leading-in second connecting pipe of air guide channel, and through the inside of the leading-in second gasbag of second connecting pipe, make the second gasbag expand, the slider can be extruded to the second gasbag, make the slider remove towards the direction of keeping away from the spout tank bottom, scribble the warning coating through the surface of slider, remind technical staff in time to cool down the processing, simultaneously after the temperature reduction, the elastic component is automatic to be stretched, through artifical extrusion second gasbag, make the inside of the leading-in first gasbag of the inside gas of second gasbag, first gasbag inflation, and then promote effective separation between the cable core.
Preferably, the outer part of the sheath is wrapped with a protective sleeve, and the protective sleeve is designed to be made of high-temperature-resistant rubber material; heat insulation cotton is fixedly connected between the protective sleeve and the protective sleeve; during operation, the protecting sleeve is arranged outside the protecting sleeve, the heat insulation cotton is arranged between the protecting sleeve and the protecting sleeve, the heat insulation cotton can play an effective heat insulation role, the high temperature is further reduced, the protecting sleeve is directly roasted by the high temperature, and the influence of the high temperature on a cable core is reduced.
Preferably, the heat insulation cotton is fixedly connected with uniformly arranged telescopic bags inside, and the telescopic bags are communicated with each other through a pipeline; water is injected into the telescopic bag; the during operation sets up the bellows through the inside at thermal-insulated cotton, and when ambient temperature was higher around the optical cable, high temperature can make the inside temperature of bellows rise, and then has promoted the evaporation of the inside moisture of bellows, and the inside atmospheric pressure of bellows increases, and the bellows inflation, bellows extrusion lag for the continuous inflation of lag extends, and the distance between lag and the sheath increases, and then can strengthen the high temperature resistance performance of optical cable automatically.
Preferably, the surface of the conduit is provided with uniformly arranged mounting holes at the position of the telescopic bag; the inner parts of the mounting holes are provided with pricking blocks, and one sides of the pricking blocks facing the telescopic bag are designed into tip structures; the during operation, when the continuous expanded in-process of lag, if the lag outlying temperature still continues to continuously rise under the condition, the thorn piece can be extrudeed to the lag finally, because the thorn piece is most advanced structural design for lag one end, consequently, the thorn piece can puncture lag and its inside flexible bag, and the flexible bag breaks the back, and inside steam and partial water can flow out, further cool down to the surrounding environment.
Preferably, the inner part of the mounting hole is slidably connected with the thorn block; a spring is fixedly connected between the thorn block and the inner surface of the mounting hole, and in an initial state, the spring is in a compressed state; a connecting rope is fixedly connected between the thorn block and the inner surface of the mounting hole; the during operation, at the in-process of carrying out the installation to the optical cable, the optical cable can be inserted the pipe, but if the internal surface of pipe directly sets up thorn piece, the staff is hindered to the easy mistake, perhaps the optical cable problem is touched to the mistake, through the inside sliding connection thorn piece at the pipe, under the initial condition, the inside in the mounting hole of thorn piece adduction, under the higher condition of temperature, even the rope fracture, compression state's the automatic extension of spring this moment, the spring can drive the ejecting mounting hole of thorn piece, guarantee that thorn piece is under the higher condition of temperature, puncture the lag smoothly, avoid thorn piece mistake thorn optical cable problem.
Preferably, a containing groove is formed in the supporting guide block; dry powder is arranged inside the containing grooves; the opening positions of the containing grooves are fixedly connected with sealing films; during operation, through the inside injection dry powder that supports the guide block, after the temperature lasted to rise continuously, the temperature was in under the higher temperature condition during very much, when the conflagration took place, high temperature this moment can make the seal membrane break, and then held the inside dry powder of inslot and derived to along with the inside air flow of pipe, fill whole pipe, avoid the inside open fire problem to appear of pipe.
Preferably, the inner parts of the containing grooves are fixedly connected with elastic rods; the end faces of the elastic rods, close to the side corresponding to the sealing films, are fixedly connected with wind blocks; during operation, set up elastic rod and wind-break piece through the inside that holds the groove, when under the high temperature condition, the cracked condition of seal membrane under, the wind-break piece can be continuously blown to the inside flowing gas of pipe for the wind-break piece sways, and the wind-break piece can make the elastic rod vibrations, and then promotes to hold the dry powder derivation of inslot portion, avoids because of long-time storage dry powder caking, leads to the dry powder can't derive the inside problem that holds the groove fast under the high temperature condition.
Preferably, the interior of each wind blocking block is provided with a vibration cavity; the interior of each vibration cavity is fixedly connected with a vibration ball; the during operation, set up the vibrations chamber through the inside at the piece that keeps out the wind, and the inside in vibrations chamber sets up the vibrations ball, when the piece that keeps out the wind rocks because of the inside air current of pipe, can make the vibrations ball rock in the inside in vibrations chamber, has promoted the piece that keeps out the wind and has shaken when swaing, improves the vibrations derivation effect to the dry powder.
The invention has the following beneficial effects:
1. according to the flame-retardant fire-resistant optical cable, the cable cores and the sheaths are arranged, the cable cores are uniformly distributed in the sheaths, the elastic parts are arranged among the cable cores, the cable cores in the sheaths are always in a separated state in the transportation process due to the elasticity of the elastic parts, the bending and abrasion among the cable cores are reduced, and meanwhile, the cable cores are not directly attached to the sheaths due to the fact that spaces exist among the cable cores, so that the heat transfer is reduced, the temperature rise of the cable cores is reduced, the high temperature resistance of the cable cores is improved, and the cable cores are protected under the high-temperature condition.
2. According to the flame-retardant fire-resistant optical cable, the fan is arranged, when the ambient temperature rises, the temperature sensor positioned in the supporting guide block can sense the temperature change in time, when the temperature exceeds the set upper limit value, a signal can be sent to the control system, the fan is automatically controlled to be started, the fan can enable gas far away from a heat source to be continuously led into the guide pipe, then the gas can flow in the same direction in the exhaust pipe and finally be exhausted through the exhaust pipe, the interior of the guide pipe is timely cooled through continuously flowing airflow, and the optical cable is positioned in the guide pipe, so that the ambient temperature of the optical cable is guaranteed to be in a safe range.
2. According to the flame-retardant fire-resistant optical cable, the first air bag and the second air bag are arranged, when the cable cores are automatically folded at high temperature, the cable cores can extrude the first air bag, so that gas in the first air bag is led into the gas guide channel through the corresponding first connecting pipe, led into the second connecting pipe through the gas guide channel and led into the second air bag through the second connecting pipe, the second air bag is expanded, the second air bag can extrude the sliding block, the sliding block moves towards the direction far away from the bottom of the sliding groove, the surface of the sliding block is coated with the warning coating, technicians are reminded of timely cooling, and after the temperature is reduced, the elastic piece automatically extends, the second air bag is manually extruded, so that gas in the second air bag is led into the first air bag, the first air bag expands, and effective separation between the cable cores is promoted.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a cross-sectional view of the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 3 at A;
FIG. 5 is an enlarged view of a portion of FIG. 3 at B;
FIG. 6 is a cross-sectional view of the support guide of the present invention;
in the figure: the device comprises a cable core 1, a sheath 2, a guide core 3, a sliding groove 4, an elastic piece 5, a guide pipe 6, a first connecting block 7, a second connecting block 8, a fan 9, an exhaust pipe 10, a supporting guide block 11, a temperature sensor 12, a first air bag 13, an air guide channel 14, a first connecting pipe 15, a sliding block 16, a second air bag 17, a second connecting pipe 18, a protective sleeve 19, heat insulation cotton 20, a telescopic bag 21, a thorn block 22, a spring 23, a connecting rope 24, a sealing film 25, an elastic rod 26, a wind shielding block 27 and a vibration ball 28.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
Example one
As shown in fig. 1 to 4, the flame-retardant and fire-resistant optical cable of the present invention comprises a cable core 1 and a sheath 2; the guide core 3 is fixedly connected inside the sheath 2; the guide core 3 is designed to have a three-jaw structure, and the three jaws of the guide core 3 are fixedly connected with the inner surface of the sheath 2; cable cores 1 which are uniformly arranged are arranged in a gap between the guide core 3 and the sheath 2, elastic parts 5 are fixedly connected between the adjacent cable cores 1, and the cable cores 1 which are close to the guide core 3 are fixedly connected with the guide core 3; a catheter 6 is arranged outside the sheath 2; the top surface of the conduit 6 is fixedly connected with a first connecting block 7 and a second connecting block 8; the inside of the first connecting block 7 is fixedly connected with a fan 9, an air inlet of the fan 9 is connected with the outside atmosphere, and an air outlet of the fan 9 is communicated with the inside of the guide pipe 6; an exhaust pipe 10 is fixedly connected inside the second connecting block 8, one end of the exhaust pipe 10 is connected with the guide pipe 6, and the other end of the exhaust pipe is connected with the outside atmosphere; the inside of the conduit 6 is fixedly connected with supporting guide blocks 11 which are uniformly arranged; a temperature sensor 12 is arranged inside the supporting guide block 11; when the optical cable works, when the optical cable is used under a high-temperature environment condition, such as a use condition of monitoring the state in a high-temperature furnace, the optical cable is easily influenced by high temperature, in order to ensure the heat resistance and the flame retardant property of the optical cable, the sheath 2 of the optical cable and the like are improved in materials, such as high-temperature resistant and flame retardant materials, but the continuous high temperature easily influences the data transmission of the cable core 1, and the optical cable is damaged under the condition of overhigh temperature, therefore, the invention provides the special application under the environment condition of high temperature or large temperature change, when the environment temperature rises, the temperature sensor 12 positioned in the supporting guide block 11 can sense the change of the temperature in time, when the temperature exceeds the set upper limit value, a signal can be sent to the control system, the automatic control fan 9 is started, and the fan 9 can lead the gas far away from the heat source into the guide pipe 6 continuously, then the gas can flow in the same direction in the exhaust pipe 10 and is finally discharged through the exhaust pipe 10, the temperature of the interior of the conduit 6 is timely reduced through the continuously flowing gas flow, because the optical cable is positioned in the conduit 6, the temperature around the optical cable is ensured to be in a safe range, and simultaneously when the optical cable is designed, by uniformly distributing the cable cores 1 in the sheath 2 and arranging the elastic parts 5 between the cable cores 1, because the elastic parts 5 have elasticity, in the transportation process, the cable cores 1 in the sheath 2 are always in a separated state, the bending and abrasion between the cable cores 1 are reduced, meanwhile, as the space is arranged between the cable cores 1 and the sheath 2 is not directly jointed, the heat transfer is reduced, and further, the temperature rise of the cable core 1 is reduced, the high temperature resistance of the cable core 1 is improved, and the protection of the cable core 1 under the high temperature condition is realized.
As shown in fig. 3 and 4, the elastic member 5 is in a spring 23 structure, and the elastic member 5 is designed of a memory alloy material; the during operation, through designing elastic component 5 into the structure of spring 23, and elastic component 5 is the memory alloy material, after the temperature risees, the memory alloy material can contract automatically for cable core 1 that is in the dispersed state all draws in towards leading 3 positions of core automatically, makes cable core 1 keep away from sheath 2, improves the protection effect to cable core 1, and the cable core 1 of the state of drawing in simultaneously can strengthen the protection effect to being close to leading 3 positions of core cable core 1.
First air bags 13 which are uniformly arranged are fixedly connected between the cable cores 1; an air guide channel 14 is formed in the guide core 3; a first connecting pipe 15 is connected between the first air bag 13 and the air guide channel 14; the side surface of the second connecting block 8 is provided with a sliding chute 4; a sliding block 16 is connected inside the sliding groove 4 in a sliding manner; the bottom of the sliding groove 4 is fixedly connected with a second air bag 17; a second connecting pipe 18 is connected between the second air bag 17 and the air guide channel 14; when in work, the first air bags 13 are arranged between the cable cores 1, when the cable cores 1 are automatically folded under the high-temperature condition, the cable cores 1 can extrude the first air bags 13, so that the gas inside the first airbag 13 is introduced into the inside of the gas guide channel 14 through the corresponding first connecting tube 15, is introduced into the second connecting tube 18 through the air guide passage 14, and is introduced into the interior of the second airbag 17 through the second connecting tube 18, so that the second air bag 17 is expanded, the second air bag 17 presses the slide block 16, so that the slide block 16 moves towards the direction far away from the bottom of the sliding chute 4, the warning coating is coated on the surface of the sliding block 16 to remind technicians of cooling treatment in time, meanwhile, when the temperature is reduced, the elastic element 5 automatically extends, the second air bag 17 is manually extruded, so that the gas inside the second balloon 17 is introduced into the inside of the first balloon 13 and the first balloon 13 is inflated, thereby promoting effective separation between the cable cores 1.
As shown in fig. 4, the exterior of the sheath 2 is wrapped with a protective sleeve 19, and the protective sleeve 19 is designed to be made of high-temperature resistant rubber material; heat insulation cotton 20 is fixedly connected between the protective sleeve 19 and the protective sleeve 2; when the thermal insulation cable works, the protective sleeve 19 is arranged outside the protective sleeve 2, the thermal insulation cotton 20 is arranged between the protective sleeve 19 and the protective sleeve 2, the thermal insulation cotton 20 can play an effective thermal insulation role, the high temperature direct roasting on the protective sleeve 2 is further reduced, and the influence of the high temperature on the cable core 1 is reduced.
The inside of the heat insulation cotton 20 is fixedly connected with uniformly arranged telescopic bags 21, and the telescopic bags 21 are communicated with each other through a pipeline; water is injected into the telescopic bag 21; the during operation, through setting up bellows 21 in thermal-insulated cotton 20 inside, when the ambient temperature around the optical cable is higher, high temperature can make the inside temperature of bellows 21 rise, and then promoted the evaporation of the inside moisture of bellows 21, the inside atmospheric pressure increase of bellows 21, bellows 21 inflation, bellows 21 extrusion lag 19 for the continuous inflation of lag 19 extends, the distance increase between lag 19 and the sheath 2, and then can strengthen the high temperature resistance performance of optical cable automatically.
As shown in fig. 5, the surface of the catheter 6 is provided with uniformly arranged mounting holes at the position of the bellows 21; the inner parts of the mounting holes are all provided with the pricking blocks 22, and one sides of the pricking blocks 22 facing the telescopic bag 21 are designed to be pointed end structures; in operation, when the protection sleeve 19 is continuously expanded, if the temperature at the periphery of the protection sleeve 19 is continuously increased, the protection sleeve 19 will finally press the puncture block 22, because the puncture block 22 is designed to be a pointed structure relative to one end of the protection sleeve 19, the puncture block 22 will puncture the protection sleeve 19 and the internal expansion bag 21, and after the expansion bag 21 is broken, the water vapor and part of water inside the expansion bag will flow out, so as to further cool the surrounding environment.
The inside of the mounting hole is slidably connected with a thorn block 22; a spring 23 is fixedly connected between the thorn block 22 and the inner surface of the mounting hole, and in an initial state, the spring 23 is in a compressed state; a connecting rope 24 is fixedly connected between the thorn block 22 and the inner surface of the mounting hole; the during operation, at the in-process of installing the optical cable, the optical cable can be inserted pipe 6, but if the internal surface of pipe 6 directly sets up thorn piece 22, the staff is hindered to very easy mistake, perhaps the optical cable problem is touched to the mistake, through the inside sliding connection thorn piece 22 at pipe 6, under the initial condition, thorn piece 22 adduction is in the inside of mounting hole, under the higher condition of temperature, even rope 24 splits, compression state's spring 23 automatic extension this moment, spring 23 can drive the ejecting mounting hole of thorn piece 22, guarantee thorn piece 22 under the higher condition of temperature, puncture lag 19 smoothly, avoid thorn piece 22 mistake thorn optical cable problem.
Example two
As shown in fig. 6, a first comparative example, in which another embodiment of the present invention is: a containing groove is formed in the supporting guide block 11; dry powder is arranged inside the containing grooves; the openings of the containing grooves are fixedly connected with sealing films 25; during operation, through the inside injection dry powder that supports guide block 11, after the temperature lasted to rise continuously, the temperature was in under the higher temperature condition during special time, when the conflagration took place, high temperature this moment can make seal membrane 25 break, and then hold the inside dry powder of inslot and derive to along with the inside air flow of pipe 6, fill whole pipe 6, avoid the inside open fire problem to appear of pipe 6.
The interior of each wind blocking block 27 is provided with a vibration cavity; the interior of each vibration cavity is fixedly connected with a vibration ball 28; the during operation, set up the vibrations chamber through the inside at the piece 27 that keeps out the wind, and the inside in vibrations chamber sets up vibrations ball 28, when the piece 27 that keeps out the wind rocks because of the inside air current of pipe 6, can make vibrations ball 28 rock in the inside in vibrations chamber, has promoted the piece 27 that keeps out the wind and has shaken when swaing, improves the vibrations derivation effect to the dry powder.
When the temperature-sensing device works, when the ambient temperature rises, the temperature sensor 12 positioned in the supporting guide block 11 senses the temperature change in time, when the temperature exceeds a set upper limit value, a signal is sent to the control system, the fan 9 is automatically controlled to be started, the fan 9 can lead the gas far away from a heat source into the interior of the conduit 6 continuously, then the gas can circulate in the exhaust pipe 10 towards the same direction and is finally discharged through the exhaust pipe 10, the interior of the conduit 6 is cooled in time through the continuously flowing gas flow, the surrounding temperature of the optical cable is ensured to be in a safe range because the optical cable is positioned in the conduit 6, meanwhile, when the optical cable is designed, the cable cores 1 are uniformly distributed in the sheath 2, the elastic parts 5 are arranged between the cable cores 1, and because the elastic parts 5 have elasticity, in the transportation process, the cable cores 1 in the sheath 2 are always in a separated state, bending and abrasion among the cable cores 1 are reduced, and meanwhile, as the space is formed among the cable cores 1 and the cable cores are not directly attached to the sheath 2, heat transfer is reduced; by designing the elastic part 5 into the structure of the spring 23 and the elastic part 5 is made of the memory alloy material, when the temperature rises, the memory alloy material can automatically contract, so that the cable cores 1 in a dispersed state are automatically folded towards the positions of the guide cores 3, the cable cores 1 are far away from the sheath 2, and the protection effect on the cable cores 1 is improved; by arranging the first air bags 13 between the cable cores 1, the first air bags 13 can be extruded by the cable cores 1 when the cable cores 1 are automatically folded under the high-temperature condition, so that the gas inside the first airbag 13 is introduced into the inside of the gas guide channel 14 through the corresponding first connecting tube 15, is introduced into the second connecting tube 18 through the air guide passage 14, and is introduced into the interior of the second airbag 17 through the second connecting tube 18, so that the second air bag 17 is expanded, the second air bag 17 presses the slide block 16, so that the slide block 16 moves towards the direction far away from the bottom of the sliding chute 4, the warning coating is coated on the surface of the sliding block 16 to remind technicians of cooling treatment in time, meanwhile, when the temperature is reduced, the elastic element 5 automatically extends, the second air bag 17 is manually extruded, the gas in the second air bag 17 is led into the first air bag 13, and the first air bag 13 is expanded, so that the effective separation between the cable cores 1 is promoted; the protective sleeve 19 is arranged outside the protective sleeve 2, and the heat insulation cotton 20 is arranged between the protective sleeve 19 and the protective sleeve 2, so that the heat insulation cotton 20 can play an effective heat insulation role; by arranging the telescopic bag 21 in the heat insulation cotton 20, when the ambient temperature around the optical cable is higher, the internal temperature of the telescopic bag 21 is increased due to high temperature, so that the evaporation of water in the telescopic bag 21 is promoted, the air pressure in the telescopic bag 21 is increased, the telescopic bag 21 expands, the telescopic bag 21 extrudes the protective sleeve 19, the protective sleeve 19 is continuously expanded and extended, and the distance between the protective sleeve 19 and the protective sleeve 2 is increased; when the protective sleeve 19 is continuously expanded, if the temperature at the periphery of the protective sleeve 19 is continuously increased, the protective sleeve 19 finally extrudes the puncture block 22, and the puncture block 22 is designed to be a pointed structure relative to one end of the protective sleeve 19, so that the puncture block 22 can puncture the protective sleeve 19 and the internal telescopic bag 21, and after the telescopic bag 21 is broken, water vapor and part of water in the protective sleeve can flow out to further cool the surrounding environment; in the process of installing the optical cable, the optical cable can be inserted into the guide pipe 6, but if the thorn block 22 is directly arranged on the inner surface of the guide pipe 6, workers are easily injured by mistake or the problem of touching the optical cable by mistake, the thorn block 22 is connected to the guide pipe 6 in a sliding mode, the thorn block 22 is retracted into the installation hole under the initial condition, when the temperature is high, the connecting rope 24 is broken, the spring 23 in a compressed state automatically extends, the spring 23 can drive the thorn block 22 to eject out of the installation hole, the protection sleeve 19 is guaranteed to be smoothly punctured by the thorn block 22 under the condition that the temperature is high, and the problem of mistakenly puncturing the optical cable by the thorn block 22 is avoided; by injecting dry powder into the supporting guide block 11, after the temperature is continuously raised, particularly, the temperature is under a higher temperature condition, such as a fire, the sealing film 25 is broken by the high temperature, and then the dry powder in the containing groove is led out and is diffused to the whole guide pipe 6 along with the air flow in the guide pipe 6, so that the problem of open fire in the guide pipe 6 is avoided; by arranging the elastic rod 26 and the wind shielding block 27 in the containing groove, when the sealing film 25 is broken under a high-temperature condition, the flowing gas in the guide pipe 6 can continuously blow the wind shielding block 27, so that the wind shielding block 27 swings, the wind shielding block 27 can enable the elastic rod 26 to vibrate, the dry powder in the containing groove is further promoted to be led out, and the problem that the dry powder cannot be led out quickly under the high-temperature condition due to the fact that the dry powder is stored for a long time and is agglomerated is solved; vibrations chamber is seted up through the inside at the piece 27 that keeps out the wind, and the inside in vibrations chamber sets up vibrations ball 28, when the piece 27 that keeps out the wind rocks because of the inside air current of pipe 6, can make vibrations ball 28 rock in the inside in vibrations chamber, has promoted the piece 27 that keeps out the wind and has shaken when rocking, improves the vibrations derivation effect to the dry powder.
The front, the back, the left, the right, the upper and the lower are all based on figure 1 in the attached drawings of the specification, according to the standard of the observation angle of a person, the side of the device facing an observer is defined as the front, the left side of the observer is defined as the left, and the like.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the scope of the present invention.
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 (10)
1. A flame-retardant fire-resistant optical cable, characterized in that: comprises a cable core (1) and a sheath (2); the guide core (3) is fixedly connected inside the sheath (2); the guide core (3) is designed to have a three-jaw structure, and the three jaws of the guide core (3) are fixedly connected with the inner surface of the sheath (2); the cable comprises a guide core (3), a sheath (2) and elastic pieces (5), wherein cable cores (1) are uniformly arranged in a gap between the guide core (3) and the sheath (2), the adjacent cable cores (1) are fixedly connected with each other, and the cable cores (1) close to the guide core (3) are fixedly connected with the guide core (3); a catheter (6) is arranged outside the sheath (2); the top surface of the conduit (6) is fixedly connected with a first connecting block (7) and a second connecting block (8); the inner part of the first connecting block (7) is fixedly connected with a fan (9), an air inlet of the fan (9) is connected with the outside atmosphere, and an air outlet of the fan (9) is communicated with the inner part of the guide pipe (6); an exhaust pipe (10) is fixedly connected inside the second connecting block (8), one end of the exhaust pipe (10) is connected with the guide pipe (6), and the other end of the exhaust pipe is connected with the outside atmosphere; the inside of the guide pipe (6) is fixedly connected with uniformly arranged supporting guide blocks (11); and a temperature sensor (12) is arranged in the supporting guide block (11).
2. The flame-retardant and fire-resistant optical cable according to claim 1, wherein: the elastic piece (5) is of a spring (23) structure, and the elastic piece (5) is designed by a memory alloy material.
3. The flame-retardant and fire-resistant optical cable according to claim 2, wherein: first air bags (13) which are uniformly arranged are fixedly connected between the cable cores (1); an air guide channel (14) is formed in the guide core (3); a first connecting pipe (15) is connected between the first air bag (13) and the air guide channel (14); a sliding groove (4) is formed in the side surface of the second connecting block (8); a sliding block (16) is connected inside the sliding groove (4) in a sliding manner; the bottom of the sliding groove (4) is fixedly connected with a second air bag (17); a second connecting pipe (18) is connected between the second air bag (17) and the air guide channel (14).
4. The flame-retardant fire-resistant optical cable according to claim 1, wherein: the outer part of the sheath (2) is wrapped with a protective sleeve (19), and the protective sleeve (19) is made of high-temperature-resistant rubber materials; and heat insulation cotton (20) is fixedly connected between the protective sleeve (19) and the protective sleeve (2).
5. The flame-retardant and fire-resistant optical cable according to claim 4, wherein: the interior of the heat insulation cotton (20) is fixedly connected with uniformly arranged telescopic bags (21), and the telescopic bags (21) are communicated with each other through a pipeline; the inside of the bellows (21) is filled with water.
6. The flame-retardant and fire-resistant optical cable according to claim 5, wherein: the surface of the conduit (6) is provided with uniformly arranged mounting holes at the position of the telescopic bag (21); the inside of mounting hole all is equipped with thorn piece (22), and thorn piece (22) towards one side of bellows (21) for most advanced structural design.
7. The flame-retardant and fire-resistant optical cable according to claim 6, wherein: the inner part of the mounting hole is slidably connected with a thorn block (22); a spring (23) is fixedly connected between the thorn block (22) and the inner surface of the mounting hole, and in an initial state, the spring (23) is in a compressed state; and a connecting rope (24) is fixedly connected between the thorn block (22) and the inner surface of the mounting hole.
8. The flame-retardant and fire-resistant optical cable according to claim 1, wherein: a containing groove is formed in the supporting guide block (11); dry powder is arranged inside the containing grooves; the opening positions of the containing grooves are fixedly connected with sealing films (25).
9. The flame-retardant and fire-resistant optical cable according to claim 8, wherein: the inner parts of the containing grooves are fixedly connected with elastic rods (26); the elastic rod (26) is close to one side end face of the corresponding sealing film (25) and is fixedly connected with a wind blocking block (27).
10. The flame-retardant and fire-resistant optical cable according to claim 9, wherein: the interior of each wind blocking block (27) is provided with a vibration cavity; the interior of each vibration cavity is fixedly connected with a vibration ball (28).
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| CN202210452820.9A CN114859488B (en) | 2022-04-27 | 2022-04-27 | Flame-retardant fire-resistant optical cable |
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| CN114859488B CN114859488B (en) | 2023-10-31 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116699778A (en) * | 2023-08-08 | 2023-09-05 | 广东长天光电科技有限公司 | Wear-resistant high-temperature-resistant low-smoke optical cable for data transmission center and preparation method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07133138A (en) * | 1993-11-08 | 1995-05-23 | Nippon Steel Weld Prod & Eng Co Ltd | Production of heat resistant optical fiber |
| JP2009103996A (en) * | 2007-10-24 | 2009-05-14 | Sumitomo Electric Ind Ltd | Method and device for manufacturing optical cable |
| CN110703399A (en) * | 2019-11-20 | 2020-01-17 | 杭州昱华科技有限公司 | Intelligent temperature control optical cable cross-connecting box |
| CN210488080U (en) * | 2019-11-05 | 2020-05-08 | 武汉华迅宇晟科技有限公司 | Multifunctional optical cable joint box |
| CN213400681U (en) * | 2020-11-17 | 2021-06-08 | 郑州宝诺电子科技有限公司 | Low-smoke halogen-free flame-retardant cable |
| CN214151165U (en) * | 2021-01-12 | 2021-09-07 | 宜兴市凯英达塑胶有限公司 | Anti-cracking low-smoke halogen-free optical cable flame-retardant sheath material |
| CN114384655A (en) * | 2022-01-25 | 2022-04-22 | 仇海兵 | Optical fiber ribbon cable for indoor access |
-
2022
- 2022-04-27 CN CN202210452820.9A patent/CN114859488B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07133138A (en) * | 1993-11-08 | 1995-05-23 | Nippon Steel Weld Prod & Eng Co Ltd | Production of heat resistant optical fiber |
| JP2009103996A (en) * | 2007-10-24 | 2009-05-14 | Sumitomo Electric Ind Ltd | Method and device for manufacturing optical cable |
| CN210488080U (en) * | 2019-11-05 | 2020-05-08 | 武汉华迅宇晟科技有限公司 | Multifunctional optical cable joint box |
| CN110703399A (en) * | 2019-11-20 | 2020-01-17 | 杭州昱华科技有限公司 | Intelligent temperature control optical cable cross-connecting box |
| CN213400681U (en) * | 2020-11-17 | 2021-06-08 | 郑州宝诺电子科技有限公司 | Low-smoke halogen-free flame-retardant cable |
| CN214151165U (en) * | 2021-01-12 | 2021-09-07 | 宜兴市凯英达塑胶有限公司 | Anti-cracking low-smoke halogen-free optical cable flame-retardant sheath material |
| CN114384655A (en) * | 2022-01-25 | 2022-04-22 | 仇海兵 | Optical fiber ribbon cable for indoor access |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116699778A (en) * | 2023-08-08 | 2023-09-05 | 广东长天光电科技有限公司 | Wear-resistant high-temperature-resistant low-smoke optical cable for data transmission center and preparation method |
| CN116699778B (en) * | 2023-08-08 | 2023-11-03 | 广东长天光电科技有限公司 | Wear-resistant high-temperature-resistant low-smoke optical cable for data transmission center and preparation method |
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| CN114859488B (en) | 2023-10-31 |
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Effective date of registration: 20240506 Address after: 239000, east of Jingwu Road, Tianchang Economic Development Zone, Chuzhou City, Anhui Province, north of Wei'er Road Patentee after: Tianchang runye Cable Technology Co.,Ltd. Country or region after: China Address before: 225000 Tongda South Road, Touqiao Town, Guangling District, Yangzhou City, Jiangsu Province Patentee before: YANGZHOU HENGTONG COMMUNICATION CABLE CO.,LTD. Country or region before: China |
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