CN113921180A - Silica gel insulation fireproof cable - Google Patents
Silica gel insulation fireproof cable Download PDFInfo
- Publication number
- CN113921180A CN113921180A CN202110983022.4A CN202110983022A CN113921180A CN 113921180 A CN113921180 A CN 113921180A CN 202110983022 A CN202110983022 A CN 202110983022A CN 113921180 A CN113921180 A CN 113921180A
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- Prior art keywords
- layer
- wall
- fixedly connected
- silica gel
- insulating
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 41
- 239000000741 silica gel Substances 0.000 title claims abstract description 41
- 229910002027 silica gel Inorganic materials 0.000 title claims abstract description 41
- 238000009413 insulation Methods 0.000 title abstract description 30
- 239000004020 conductor Substances 0.000 claims abstract description 31
- 239000000945 filler Substances 0.000 claims abstract description 18
- 239000003063 flame retardant Substances 0.000 claims abstract description 17
- 239000010445 mica Substances 0.000 claims abstract description 17
- 229910052618 mica group Inorganic materials 0.000 claims abstract description 17
- 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 claims abstract description 16
- 238000005192 partition Methods 0.000 claims abstract description 12
- 230000002265 prevention Effects 0.000 claims abstract description 11
- 230000008054 signal transmission Effects 0.000 claims abstract description 4
- 239000010410 layer Substances 0.000 claims description 212
- 230000017525 heat dissipation Effects 0.000 claims description 45
- 239000011241 protective layer Substances 0.000 claims description 36
- 239000011248 coating agent Substances 0.000 claims description 33
- 238000000576 coating method Methods 0.000 claims description 33
- 239000003795 chemical substances by application Substances 0.000 claims description 21
- 239000000843 powder Substances 0.000 claims description 21
- 239000000779 smoke Substances 0.000 claims description 21
- 239000004831 Hot glue Substances 0.000 claims description 19
- 238000005260 corrosion Methods 0.000 claims description 14
- 230000007797 corrosion Effects 0.000 claims description 13
- 230000003139 buffering effect Effects 0.000 claims description 11
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 239000000395 magnesium oxide Substances 0.000 claims description 4
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 4
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims description 4
- 230000002708 enhancing effect Effects 0.000 claims description 3
- 238000005728 strengthening Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims description 2
- 210000001503 joint Anatomy 0.000 abstract description 18
- 230000003014 reinforcing effect Effects 0.000 abstract description 9
- 230000009970 fire resistant effect Effects 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 241000700159 Rattus Species 0.000 description 14
- 230000006378 damage Effects 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 241000238631 Hexapoda Species 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 238000001125 extrusion Methods 0.000 description 6
- 241000699670 Mus sp. Species 0.000 description 4
- 239000011247 coating layer Substances 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 230000002787 reinforcement Effects 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 229920002379 silicone rubber Polymers 0.000 description 3
- 239000004945 silicone rubber Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 241000255925 Diptera Species 0.000 description 2
- 239000012790 adhesive layer Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 229910052736 halogen Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 241000699666 Mus <mouse, genus> Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/22—Metal wires or tapes, e.g. made of steel
- H01B7/226—Helicoidally wound metal wires or tapes
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
- A01M29/00—Scaring or repelling devices, e.g. bird-scaring apparatus
- A01M29/12—Scaring or repelling devices, e.g. bird-scaring apparatus using odoriferous substances, e.g. aromas, pheromones or chemical agents
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/1875—Multi-layer sheaths
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/189—Radial force absorbing layers providing a cushioning effect
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
- H01B7/282—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable
- H01B7/2825—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable using a water impermeable sheath
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
- H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/42—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction
- H01B7/421—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction for heat dissipation
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G15/00—Cable fittings
- H02G15/08—Cable junctions
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Insects & Arthropods (AREA)
- Toxicology (AREA)
- General Health & Medical Sciences (AREA)
- Birds (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Insulated Conductors (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The invention discloses a silica gel insulation fireproof cable, which comprises a reinforcing core, wherein the reinforcing core is used for reinforcing signal transmission, the outer wall of the reinforcing core is fixedly connected with a partition layer, the outer wall of the partition layer is provided with a flame-retardant filler layer, the interior of the flame-retardant filler layer vertically penetrates through the insulating layer in a fixedly connected mode, and the inner wall of the insulating layer is fixedly provided with a conductor core; a layer of fire resistant mica tape. This insulating fire prevention cable of silica gel, through the insulating adapter sleeve that sets up, make two cables after the butt joint, the butt joint can not produce the electric leakage, through the insulating connecting block that sets up, make two cables butt joint accomplish the back, the user can fix insulating adapter sleeve fast, with this the condition emergence of avoiding the cable production of cable butt joint in the use to drop, first fixture block and second fixture block through setting up, make insulating adapter sleeve fixed can not produce after finishing not hard up, when insulating connecting block produces not hard up simultaneously, insulating adapter sleeve still can firmly be fixed together with two cables.
Description
Technical Field
The invention relates to the technical field of cables, in particular to a silica gel insulation fireproof cable.
Background
The cable is generally a general name of articles such as optical cables, electric cables and the like, the cable has a plurality of purposes, and is mainly used for controlling multiple functions such as installation, connecting equipment, electric power transmission and the like, so the cable is a common and indispensable object in daily life, silica gel is generally divided into inorganic silica gel and organic silica gel, wherein organic silica gel mainly refers to silicone rubber, and since silicone rubber molecules simultaneously contain inorganic and organic elements, the silicone rubber has a series of unique properties, so the organic silica gel is often added in the manufacturing process of the cable to protect a conductive core inside the cable, and according to the application number: CN201720139508.9 discloses a silica gel insulating fireproof cable, which can work in an environment with a maximum temperature of eight hundred degrees by the arrangement of a magnesium oxide fireproof layer, and has a high corrosion resistance by the arrangement of a low-smoke halogen-free protective sleeve, but the device still has certain defects;
1. the existing cable is not convenient to butt joint generally, when a worker butt joints the cable, the worker often needs to use a cutting tool to peel off all the protective layers outside the cable, then butt joint the conductor core between the two cables, and finally wind the thick insulating adhesive tape outside the butt-jointed cable.
2. The existing cable generally does not have a structure for preventing insects and rats from biting, the insects and rats damage the cable particularly seriously in practical application, accidents such as short circuit, power failure, communication, signal interruption and the like are often caused easily, and further great harm is caused to the society and the personal and property.
3. The existing cable is poor in buffering effect, when the cable is subjected to artificial treading or heavy object extrusion, the internal conductive core and the protective layer are easy to damage, the conductive core is exposed in the air to cause electric leakage, meanwhile, the damage of the conductive core can also cause short circuit, power failure and other series of conditions to occur, and certain use defects exist.
Aiming at the problems, innovative design is urgently needed on the basis of the original cable structure.
Disclosure of Invention
The invention aims to provide a silica gel insulation fireproof cable, which solves the problems that butt joint is inconvenient, an insect and mouse bite prevention structure is not provided, and the buffer effect is poor in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a silica gel insulated fire resistant cable comprising:
the reinforced core is used for enhancing signal transmission, the outer wall of the reinforced core is fixedly connected with a partition layer, the outer wall of the partition layer is provided with a flame-retardant filler layer, the interior of the flame-retardant filler layer vertically penetrates through and is fixedly connected with an insulating layer, and the inner wall of the insulating layer is fixedly provided with a conductor core;
the fireproof mica tape layer is fixedly connected to the outer wall of the flame-retardant filler layer, an organic silica gel layer is fixedly installed on the outer wall of the fireproof mica tape layer, a heat conduction layer is sleeved on the outer wall of the organic silica gel layer, a dry powder fire extinguishing agent fireproof layer is fixedly connected to the outer wall of the heat conduction layer, a hot melt adhesive is fixedly installed at the end of the dry powder fire extinguishing agent fireproof layer, heat dissipation holes are formed in the hot melt adhesive, and the ends of the heat dissipation holes are connected with the side of the heat conduction layer;
the waterproof layer is fixedly connected to the outer wall of the dry powder extinguishing agent fireproof layer, an elastic buffering protective layer is fixedly arranged on the outer wall of the waterproof layer, the outer wall of the elastic buffering protective layer is fixedly connected with an anticorrosive layer, and a rat bite preventing coating is fixedly arranged on the outer wall of the anticorrosive layer;
the low-smoke halogen-free sheath layer is fixedly arranged on the outer wall of the rat bite prevention coating, a filling opening is formed in the low-smoke halogen-free sheath layer, the bottom of the filling opening is connected with the top of the rat bite prevention coating, and a metal protection wire is wound on the outer wall of the low-smoke halogen-free sheath layer;
the insulating connecting sleeve is fixedly arranged on the outer wall of the end part of the low-smoke halogen-free sheath layer, the bottom of the insulating connecting sleeve is fixedly connected with an insulating connecting block, and a fixing bolt vertically penetrates through the inside of the insulating connecting block and is rotatably connected with the inside of the insulating connecting block;
and the first clamping block is fixedly connected to the end part of the insulating connecting sleeve, a second clamping block is fixedly mounted at the end part of the insulating connecting sleeve, and a clamping groove is formed in the other end of the insulating connecting sleeve.
Preferably, the number of the conductor cores is four, and each two of the four conductor cores are a group, and the two groups of the conductor cores are symmetrically arranged by taking a perpendicular bisector of the reinforcing core as a symmetry axis, and the outer wall of the conductor core is fixedly connected with the inner wall of the insulating layer, and the conductor core and the flame-retardant filler layer form an integrated structure through the insulating layer.
Preferably, the fire-resistant mica tape layer and the heat conduction layer form a fixed structure through an organic silica gel layer, the outer wall of the fire-resistant mica tape layer is fixedly connected with the inner wall of the organic silica gel layer, the outer wall of the organic silica gel layer is fixedly connected with the inner wall of the heat conduction layer, and the heat conduction layer is made of magnesium oxide.
Preferably, the heat dissipation holes are provided with ten groups, the ten groups of heat dissipation holes are annularly and equidistantly arranged in the low-smoke zero-halogen sheath layer, the mesh number of the heat dissipation holes is about twenty meshes, and a waterproof layer is arranged inside the heat dissipation holes.
Preferably, the end part of the hot melt adhesive is fixedly connected with the outer wall of the dry powder fire extinguishing agent fireproof layer, the number of the hot melt adhesives is the same as that of the heat dissipation holes, and the positions of the hot melt adhesives and the heat dissipation holes correspond to each other one by one.
Preferably, the waterproof layer further comprises:
the waterproof coating is fixedly connected to the outer wall of the waterproof layer, and the outer wall of the waterproof coating is fixedly connected with the inner wall of the elastic buffer protective layer;
and the waterproof film layer is fixedly connected to the inner wall of the waterproof layer, and the inner wall of the waterproof film layer is fixedly connected with the outer wall of the dry powder fire extinguishing agent fireproof layer.
Preferably, the elastic buffer protection layer further comprises:
the buffer cavity is formed in the elastic buffer protection layer;
the elastic connecting column is embedded in the elastic buffer protective layer;
the small-size spring, its fixed connection is in the inside of elastic buffer protective layer, and the bottom fixed connection of the top of small-size spring and anticorrosive coating to the small-size spring is equipped with eight groups altogether, and eight small-size springs of group use the perpendicular bisector of strengthening the core to set up as symmetry axis symmetry moreover, and the bottom of small-size spring and the top fixed connection of elastic buffer protective layer, and the elastic buffer protective layer passes through the small-size spring and constitutes elastic construction with the anticorrosive coating moreover.
Preferably, the anticorrosive layer further includes:
the corrosion-resistant layer is fixedly connected to the outer wall of the corrosion-resistant layer;
and the anticorrosive coating is arranged on the outer wall of the anticorrosive coating.
Preferably, the fixing bolt vertically penetrates through and is rotatably connected inside the insulating connecting blocks, the two insulating connecting blocks are fixedly connected together through the fixing bolt, and the two insulating connecting blocks are respectively fixed at two ends of the insulating connecting sleeve.
Preferably, the first fixture block and the insulating connecting sleeve form a clamping structure through the clamping groove, and the external size of the first fixture block is completely matched with the internal size of the clamping groove.
Compared with the prior art, the invention has the beneficial effects that: the silica gel insulation fireproof cable;
1. the butt joint structure is provided with an insulation connecting sleeve, an insulation connecting block, a butt joint structure consisting of a first clamping block and a second clamping block, after the two cables are in butt joint, the butt joint point cannot generate electric leakage through the arranged insulation connecting sleeve, after the two cables are in butt joint, a user can quickly fix the insulation connecting sleeve so as to avoid the situation that the butted cables fall off in the using process of the cables, after the insulation connecting sleeve is fixed, the insulation connecting sleeve cannot loosen through the arranged first clamping block and the second clamping block, and meanwhile, when the insulation connecting block loosens, the insulation connecting sleeve still can firmly fix the two cables together;
2. the protection wire is arranged, the protection wire is not easy to damage an internal protection layer when the cable is bitten by the insects and mice, meanwhile, the volatized gas can drive the nearby mice away through the arranged protection wire, the probability that the mice bite the cable is further reduced, the materials are convenient for a user to enter and exit into the protection wire when the materials are injected into the protection wire, meanwhile, the situation that the materials flow into the heat dissipation hole when the materials are injected into the user is avoided through the arranged partition, and the mosquitoes are not easy to enter into the cable through the heat dissipation hole when the heat generated by the heat dissipation hole when the cable runs is dissipated through the arranged waterproof layer;
3. be provided with the elastic buffer protective layer, the elasticity protection architecture that buffering cavity and small-size spring are constituteed, through the elastic buffer protective layer that sets up, make this cable receive when external extrusion, the inside protective layer of cable and electric conductor are difficult for receiving the damage, through the buffering cavity that sets up, make this cable receive when extruding, the elastic buffer protective layer can contract and then subduct external extrusion force, small-size spring through the setting, make the buffer protection effect of elastic buffer protective layer better, simultaneously through the elastic connection post that sets up, make the elastic buffer protective layer can not take place to warp when receiving the extrusion, and the elastic buffer protective layer also can be followed newly and reset after the extrusion force is eliminated.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a side cross-sectional structural schematic view of the present invention;
FIG. 3 is a schematic side view of the present invention;
FIG. 4 is an enlarged view of the structure at A in FIG. 2 according to the present invention;
FIG. 5 is an enlarged view of the structure at B in FIG. 2 according to the present invention;
FIG. 6 is a schematic cross-sectional view of an elastic buffer protection layer according to the present invention;
FIG. 7 is a schematic view of the connection between the waterproof layer and the elastic buffer protection layer according to the present invention.
In the figure: 1. a reinforcing core; 2. a partition layer; 3. a flame retardant filler layer; 4. an insulating layer; 5. a conductor core; 6. a layer of refractory mica tape; 7. an organic silica gel layer; 8. a heat conductive layer; 9. heat dissipation holes; 10. a fire-proof layer of dry powder extinguishing agent; 11. hot melt adhesive; 12. a waterproof layer; 121. a water-resistant coating; 122. a waterproof film layer; 13. an elastic buffer protection layer; 131. a buffer cavity; 132. an elastic connecting column; 133. a small spring; 14. an anticorrosive layer; 141. a corrosion resistant layer; 142. an anti-corrosion coating; 15. a rat bite prevention coating; 16. a low-smoke halogen-free sheath layer; 17. a material injection port; 18. a metal protection line; 19. an insulating connecting sleeve; 20. an insulating connecting block; 21. fixing the bolt; 22. a first clamping block; 23. a second fixture block; 24. a clamping groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, the present invention provides a technical solution: a silica gel insulated fire resistant cable comprising: the insulation structure comprises a reinforced core 1, a partition layer 2, a flame-retardant filler layer 3, an insulation layer 4, a conductor core 5, a fire-resistant mica tape layer 6, an organic silica gel layer 7, a heat conduction layer 8, a heat dissipation hole 9, a dry powder fire extinguishing agent fireproof layer 10, a hot melt adhesive 11, a waterproof layer 12, a waterproof coating 121, a waterproof film layer 122, an elastic buffer protective layer 13, a buffer cavity 131, an elastic connection column 132, a small spring 133, an anticorrosive layer 14, an anticorrosive layer 141, an anticorrosive coating 142, a rat bite prevention coating 15, a low-smoke halogen-free sheath layer 16, a filling port 17, a metal protection wire 18, an insulation connection sleeve 19, an insulation connection block 20, a fixing bolt 21, a first fixture block 22, a second fixture block 23 and a clamping groove 24;
the reinforced core 1 is used for enhancing signal transmission, a partition layer 2 is fixedly connected to the outer wall of the reinforced core 1, a flame-retardant filler layer 3 is arranged on the outer wall of the partition layer 2, an insulating layer 4 vertically penetrates through and is fixedly connected to the interior of the flame-retardant filler layer 3, and a conductor core 5 is fixedly mounted on the inner wall of the insulating layer 4;
the fireproof mica tape layer 6 is fixedly connected to the outer wall of the flame-retardant filler layer 3, an organic silicon adhesive layer 7 is fixedly installed on the outer wall of the fireproof mica tape layer 6, a heat conduction layer 8 is sleeved on the outer wall of the organic silicon adhesive layer 7, a dry powder fire extinguishing agent fireproof layer 10 is fixedly connected to the outer wall of the heat conduction layer 8, a hot melt adhesive 11 is fixedly installed at the end of the dry powder fire extinguishing agent fireproof layer 10, a heat dissipation hole 9 is formed in the hot melt adhesive 11, and the end of the heat dissipation hole 9 is connected with the side of the heat conduction layer 8;
the waterproof layer 12 is fixedly connected to the outer wall of the dry powder extinguishing agent fireproof layer 10, the outer wall of the waterproof layer 12 is fixedly provided with an elastic buffer protective layer 13, the outer wall of the elastic buffer protective layer 13 is fixedly connected with an anticorrosive layer 14, and the outer wall of the anticorrosive layer 14 is fixedly provided with a rat bite preventing coating 15;
the low-smoke halogen-free sheath layer 16 is fixedly arranged on the outer wall of the rat bite preventing coating layer 15, a filling opening 17 is formed in the low-smoke halogen-free sheath layer 16, the bottom of the filling opening 17 is connected with the top of the rat bite preventing coating layer 15, and a metal protection wire 18 is wound on the outer wall of the low-smoke halogen-free sheath layer 16;
the insulating connecting sleeve 19 is fixedly arranged on the outer wall of the end part of the low-smoke halogen-free sheath layer 16, the bottom of the insulating connecting sleeve 19 is fixedly connected with an insulating connecting block 20, and a fixing bolt 21 vertically penetrates through the inside of the insulating connecting block 20 and is rotatably connected with the inside of the insulating connecting block;
and the first fixture block 22 is fixedly connected to the end part of the insulating connecting sleeve 19, a second fixture block 23 is fixedly mounted at the end part of the insulating connecting sleeve 19, and a clamping groove 24 is formed at the other end of the insulating connecting sleeve 19.
Referring to fig. 2 and 3, the number of the conductor cores 5 is four, each of the four conductor cores 5 is a group, the two groups of conductor cores 5 are symmetrically arranged by taking a perpendicular bisector of the reinforcement core 1 as a symmetry axis, an outer wall of the conductor core 5 is fixedly connected with an inner wall of the insulation layer 4, the conductor core 5 and the flame retardant filler layer 3 form an integrated structure through the insulation layer 4, and the flame retardant filler layer 3 and the conductor core 5 which are arranged into the integrated structure are used for preventing the flame of the conductor core 5 from falling off;
referring to fig. 2 and 4, the refractory mica tape layer 6 and the heat conduction layer 8 form a fixing structure through the organic silica gel layer 7, the outer wall of the refractory mica tape layer 6 is fixedly connected with the inner wall of the organic silica gel layer 7, the outer wall of the organic silica gel layer 7 is fixedly connected with the inner wall of the heat conduction layer 8, the heat conduction layer 8 is made of magnesium oxide, and heat generated during the operation of the cable can be stably conveyed to the heat conduction layer 8 and timely discharged through the heat dissipation holes 9 through the refractory mica tape layer 6 and the heat conduction layer 8 which are arranged into the fixing structure, so that the heat dissipation speed of the cable is improved;
referring to fig. 1, 2 and 4, ten groups of heat dissipation holes 9 are provided, the ten groups of heat dissipation holes 9 are annularly and equidistantly arranged in the low smoke zero halogen sheath layer 16, the mesh number of the heat dissipation holes 9 is about twenty, a waterproof layer 12 is arranged inside the heat dissipation holes 9, the waterproof layer 12 is arranged inside the heat dissipation holes 9, so that water flow or moisture is not easy to enter the cable when the heat is transferred through the heat dissipation holes 9, and mosquitoes are not easy to enter the heat dissipation holes 9 when the heat dissipation holes 9 dissipate heat of the cable through setting the mesh number of the heat dissipation holes 9 to be about twenty;
referring to fig. 2 and 4, the end of the hot melt adhesive 11 is fixedly connected to the outer wall of the dry powder fire extinguishing agent fireproof layer 10, the number of the hot melt adhesives 11 is the same as the number of the heat dissipation holes 9, and the positions of the hot melt adhesives 11 and the heat dissipation holes 9 are in one-to-one correspondence, so that the dry powder fire extinguishing agent fireproof layer 10 does not affect the heat dissipation of the heat dissipation holes 9 under normal conditions, and when the cable encounters a fire, the dry powder fire extinguishing agent fireproof layer 10 can block the heat dissipation holes 9 in time, thereby preventing the fire from spreading into the inner protective layer;
referring to fig. 7, the waterproof layer 12 further includes:
the waterproof coating 121 is fixedly connected to the outer wall of the waterproof layer 12, the outer wall of the waterproof coating 121 is fixedly connected with the inner wall of the elastic buffer protection layer 13, and the waterproof effect of the waterproof layer 12 is better through the arranged waterproof coating 121;
the waterproof film layer 122 is fixedly connected to the inner wall of the waterproof layer 12, the inner wall of the waterproof film layer 122 is fixedly connected with the outer wall of the dry powder fire extinguishing agent fireproof layer 10, and moisture in the air is not easy to enter the cable through the arranged waterproof film layer 122;
referring to fig. 6, the elastic buffer protection layer 13 further includes:
the buffer cavity 131 is formed inside the elastic buffer protective layer 13, and when the cable is extruded, the elastic buffer protective layer 13 can contract to reduce the external extrusion force through the arranged buffer cavity 131;
the elastic connecting column 132 is embedded in the elastic buffering protective layer 13, and the elasticity of the elastic buffering protective layer 13 can be improved and the firmness of the elastic buffering protective layer 13 is guaranteed through the arranged elastic connecting column 132, so that the elastic buffering protective layer 13 is prevented from deforming when being extruded;
the small springs 133 are fixedly connected inside the elastic buffer protection layer 13, the tops of the small springs 133 are fixedly connected with the bottom of the anticorrosive layer 14, eight groups of small springs 133 are arranged, the eight groups of small springs 133 are symmetrically arranged by taking the perpendicular bisector of the reinforced core 1 as a symmetry axis, the bottoms of the small springs 133 are fixedly connected with the top of the elastic buffer protection layer 13, the elastic buffer protection layer 13 and the anticorrosive layer 14 form an elastic structure through the small springs 133, and the buffer protection effect of the elastic buffer protection layer 13 is better through the arranged small springs 133;
referring to fig. 7, the corrosion protection layer 14 further includes:
the corrosion-resistant layer 141 is fixedly connected to the outer wall of the corrosion-resistant layer 14, and the service life of the cable is prolonged by the arranged corrosion-resistant layer 141;
the anticorrosive coating 142 is arranged on the outer wall of the anticorrosive layer 141, and the anticorrosive effect of the anticorrosive layer 141 is improved through the arranged anticorrosive coating 142;
referring to fig. 1 and 3, a fixing bolt 21 vertically penetrates through and is rotatably connected inside an insulating connection block 20, the two insulating connection blocks 20 are fixedly connected together through the fixing bolt 21, the two insulating connection blocks 20 are respectively fixed at two ends of an insulating connection sleeve 19, and the two insulating connection blocks 20 are conveniently and fixedly connected together through the arranged fixing bolt 21, so that a user can conveniently butt joint or dismantle a cable;
referring to fig. 1 and 3, the first fixture block 22 and the insulating connection sleeve 19 form a clamping structure through the clamping groove 24, and the outer dimension of the first fixture block 22 is completely matched with the inner dimension of the clamping groove 24, so that the insulating connection sleeve 19 is conveniently fixed through the first fixture block 22 and the insulating connection sleeve 19 which are arranged into the clamping structure, and the insulating connection sleeve 19 is not easily loosened during the use of the cable.
The working principle is as follows: when the silica gel insulation fireproof cable is used, according to fig. 1 and fig. 3, when a user needs to butt joint two cables, the user grasps another cable and puts the conductor core 5 and the reinforcing core 1 inside the other cable into the insulation connecting sleeve 19, then butt joints the conductor core 5 and the reinforcing core 1 of the two cables, presses the insulation connecting sleeve 19 after the butt joint is finished, so that the two insulation connecting blocks 20 are overlapped, when the insulation connecting blocks 20 are overlapped, the first clamping block 22 is clamped into the insulation connecting sleeve 19 through the clamping groove 24, the second clamping block 23 is also clamped into the insulation connecting sleeve 19, then the user rotates the fixing bolt 21 to limit the two insulation connecting blocks 20, so that the butt joint of the two cables is completed, when the user needs to dismantle the butted cables, the fixing bolt 21 is only required to be taken out of the insulation connecting block 20 and pull the insulation connecting sleeve 19 outwards, the first fixture block 22 is separated from the clamping groove 24, and the second fixture block 23 is separated from the insulating connecting sleeve 19, so that the insulating connecting sleeve 19 is opened, and a user can finish the cable dismounting work;
according to fig. 1, 2, 4, 5 and 7, when the cable is in use, the signal is stably transmitted by the reinforcement core 1 and the conductor core 5, the reinforcement core 1 and the conductor core 5 are respectively protected by the arranged partition layer 2 and the arranged insulating layer 4, so as to reduce the probability of electric leakage, meanwhile, heat generated in the operation process of the cable can be timely absorbed by the heat conducting layer 8, the absorbed heat is discharged to the outside of the low-smoke halogen-free sheath layer 16 through the heat dissipation holes 9, meanwhile, when the heat dissipation holes 9 are used for discharging heat, the situation that moisture or water flow enters the heat conducting layer 8 through the heat dissipation holes 9 is perfectly avoided through the arrangement of the waterproof layer 12, the waterproof coating 121 and the waterproof film layer 122, the corrosion resistance of the cable is improved through the arranged anticorrosive layer 14, the corrosion resistant layer 141 and the corrosion resistant coating 142, so as to improve the service life of the cable, when insects and mice bite the cable, the metal protection wire 18 effectively protects the low-smoke halogen-free sheath layer 16, meanwhile, the rat bite prevention coating layer 15 volatilizes to generate gas for expelling the rats, and the gas is emitted to the outside of the low-smoke halogen-free sheath layer 16 through the injection port 17 so as to expel the rats and the insects around, and the blocking is arranged around the heat dissipation hole 9, so that when a user injects rat-proof materials into the rat bite prevention coating layer 15 through the injection port 17, the rat-proof materials cannot flow into the heat dissipation hole 9;
according to fig. 2, fig. 4, fig. 5 and fig. 6, when a fire breaks out outside the cable, the hot melt adhesive 11 is melted by the high temperature generated by the fire, after the hot melt adhesive 11 is melted, the dry powder fire extinguishing agent fireproof layer 10 will completely fill the heat dissipation holes 9, so as to prevent the fire from burning out on the cable, if the fire is too big and the dry powder fire extinguishing agent fireproof layer 10 cannot perform too much action, the fire continues to spread inwards, then the reinforcing core 1 and the conductor core 5 are further protected by the protection of the fire-resistant mica tape layer 6 and the fire-resistant filler layer 3, when the cable is trampled by people or squeezed by heavy objects, the force applied to the cable is reduced by the elastic buffer protective layer 13, and simultaneously, the protection effect of the elastic buffer protective layer 13 is further improved by the cooperation of the buffer cavity 131, the elastic connection column 132 and the small spring 133, so as to reduce the damage to the inner protective layer, meanwhile, the flexibility of the cable is improved through the arranged organic silicon glue layer 7, and the reinforced core 1 and the conductor core 5 are further protected.
Those not described in detail in this specification are within the skill of the art.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides an insulating fire prevention cable of silica gel which characterized in that includes:
the reinforced core is used for enhancing signal transmission, the outer wall of the reinforced core is fixedly connected with a partition layer, the outer wall of the partition layer is provided with a flame-retardant filler layer, the interior of the flame-retardant filler layer vertically penetrates through and is fixedly connected with an insulating layer, and the inner wall of the insulating layer is fixedly provided with a conductor core;
the fireproof mica tape layer is fixedly connected to the outer wall of the flame-retardant filler layer, an organic silica gel layer is fixedly installed on the outer wall of the fireproof mica tape layer, a heat conduction layer is sleeved on the outer wall of the organic silica gel layer, a dry powder fire extinguishing agent fireproof layer is fixedly connected to the outer wall of the heat conduction layer, a hot melt adhesive is fixedly installed at the end of the dry powder fire extinguishing agent fireproof layer, heat dissipation holes are formed in the hot melt adhesive, and the ends of the heat dissipation holes are connected with the side of the heat conduction layer;
the waterproof layer is fixedly connected to the outer wall of the dry powder extinguishing agent fireproof layer, an elastic buffering protective layer is fixedly arranged on the outer wall of the waterproof layer, the outer wall of the elastic buffering protective layer is fixedly connected with an anticorrosive layer, and a rat bite preventing coating is fixedly arranged on the outer wall of the anticorrosive layer;
the low-smoke halogen-free sheath layer is fixedly arranged on the outer wall of the rat bite prevention coating, a filling opening is formed in the low-smoke halogen-free sheath layer, the bottom of the filling opening is connected with the top of the rat bite prevention coating, and a metal protection wire is wound on the outer wall of the low-smoke halogen-free sheath layer;
the insulating connecting sleeve is fixedly arranged on the outer wall of the end part of the low-smoke halogen-free sheath layer, the bottom of the insulating connecting sleeve is fixedly connected with an insulating connecting block, and a fixing bolt vertically penetrates through the inside of the insulating connecting block and is rotatably connected with the inside of the insulating connecting block;
and the first clamping block is fixedly connected to the end part of the insulating connecting sleeve, a second clamping block is fixedly mounted at the end part of the insulating connecting sleeve, and a clamping groove is formed in the other end of the insulating connecting sleeve.
2. The silica gel insulated fireproof cable of claim 1, wherein: the quantity of conductor core is four, and every two of four conductor cores are a set of to two sets of conductor cores use the perpendicular bisector of strengthening the core to set up as symmetry axis symmetry, and the outer wall of conductor core and the inner wall fixed connection of insulating layer moreover, and the conductor core passes through the insulating layer and constitutes integrated structure with fire-retardant filler layer.
3. The silica gel insulated fireproof cable of claim 1, wherein: the fireproof mica tape layer and the heat conduction layer form a fixed structure through the organic silica gel layer, the outer wall of the fireproof mica tape layer is fixedly connected with the inner wall of the organic silica gel layer, the outer wall of the organic silica gel layer is fixedly connected with the inner wall of the heat conduction layer, and the heat conduction layer is made of magnesium oxide.
4. The silica gel insulated fireproof cable of claim 1, wherein: the heat dissipation holes are provided with ten groups in total, the ten groups of heat dissipation holes are annularly and equidistantly arranged in the low-smoke halogen-free sheath layer, the mesh number of the heat dissipation holes is about twenty meshes, and a waterproof layer is arranged inside the heat dissipation holes.
5. The silica gel insulated fireproof cable of claim 1, wherein: the end parts of the hot melt adhesives are fixedly connected with the outer wall of the dry powder fire extinguishing agent fireproof layer, the number of the hot melt adhesives is the same as that of the heat dissipation holes, and the positions of the hot melt adhesives and the heat dissipation holes correspond to each other one by one.
6. The silica gel insulated fireproof cable of claim 1, wherein: the waterproof layer still includes:
the waterproof coating is fixedly connected to the outer wall of the waterproof layer, and the outer wall of the waterproof coating is fixedly connected with the inner wall of the elastic buffer protective layer;
and the waterproof film layer is fixedly connected to the inner wall of the waterproof layer, and the inner wall of the waterproof film layer is fixedly connected with the outer wall of the dry powder fire extinguishing agent fireproof layer.
7. The silica gel insulated fireproof cable of claim 1, wherein: the elastic buffer protection layer further comprises:
the buffer cavity is formed in the elastic buffer protection layer;
the elastic connecting column is embedded in the elastic buffer protective layer;
the small-size spring, its fixed connection is in the inside of elastic buffer protective layer, and the bottom fixed connection of the top of small-size spring and anticorrosive coating to the small-size spring is equipped with eight groups altogether, and eight small-size springs of group use the perpendicular bisector of strengthening the core to set up as symmetry axis symmetry moreover, and the bottom of small-size spring and the top fixed connection of elastic buffer protective layer, and the elastic buffer protective layer passes through the small-size spring and constitutes elastic construction with the anticorrosive coating moreover.
8. The silica gel insulated fireproof cable of claim 7, wherein: the anticorrosive coating further comprises:
the corrosion-resistant layer is fixedly connected to the outer wall of the corrosion-resistant layer;
and the anticorrosive coating is arranged on the outer wall of the anticorrosive coating.
9. The silica gel insulated fireproof cable of claim 1, wherein: the fixing bolt penetrates through the insulating connecting blocks vertically and is connected inside the insulating connecting blocks in a rotating mode, the two insulating connecting blocks are fixedly connected together through the fixing bolt, and the two insulating connecting blocks are fixed to two ends of the insulating connecting sleeve respectively.
10. The silica gel insulated fireproof cable of claim 1, wherein: the first clamping block and the insulating connecting sleeve form a clamping structure through the clamping groove, and the external size of the first clamping block is completely matched with the internal size of the clamping groove.
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