CN220856185U - Waterproof fire-resistant power cable - Google Patents
Waterproof fire-resistant power cable Download PDFInfo
- Publication number
- CN220856185U CN220856185U CN202322567752.3U CN202322567752U CN220856185U CN 220856185 U CN220856185 U CN 220856185U CN 202322567752 U CN202322567752 U CN 202322567752U CN 220856185 U CN220856185 U CN 220856185U
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- waterproof
- layer
- cable
- fire
- wall
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- 230000009970 fire resistant effect Effects 0.000 title claims abstract description 29
- 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 29
- 239000003063 flame retardant Substances 0.000 claims abstract description 29
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 22
- 239000010959 steel Substances 0.000 claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000011248 coating agent Substances 0.000 claims abstract description 13
- 238000000576 coating method Methods 0.000 claims abstract description 13
- 239000004020 conductor Substances 0.000 claims abstract description 12
- 239000010410 layer Substances 0.000 claims description 83
- 239000002131 composite material Substances 0.000 claims description 12
- 239000004800 polyvinyl chloride Substances 0.000 claims description 8
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 8
- 239000004698 Polyethylene Substances 0.000 claims description 6
- -1 polyethylene Polymers 0.000 claims description 6
- 229920000573 polyethylene Polymers 0.000 claims description 6
- 229920003023 plastic Polymers 0.000 claims description 5
- 239000004033 plastic Substances 0.000 claims description 5
- 239000011241 protective layer Substances 0.000 claims description 5
- 239000000945 filler Substances 0.000 claims description 2
- 239000000919 ceramic Substances 0.000 abstract description 11
- 229920000098 polyolefin Polymers 0.000 abstract description 11
- 239000000463 material Substances 0.000 abstract description 9
- 229920002379 silicone rubber Polymers 0.000 abstract description 6
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 abstract description 5
- 239000013078 crystal Substances 0.000 abstract description 5
- 238000006297 dehydration reaction Methods 0.000 abstract description 5
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 229910021502 aluminium hydroxide Inorganic materials 0.000 abstract description 3
- 239000004945 silicone rubber Substances 0.000 abstract description 3
- 238000010304 firing Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 17
- 238000002485 combustion reaction Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000001125 extrusion Methods 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 238000005253 cladding Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 229910001862 magnesium hydroxide Inorganic materials 0.000 description 2
- 239000000347 magnesium hydroxide Substances 0.000 description 2
- 239000010445 mica Substances 0.000 description 2
- 229910052618 mica group Inorganic materials 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052628 phlogopite Inorganic materials 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Insulated Conductors (AREA)
Abstract
The application discloses a waterproof fire-resistant power cable, which belongs to the technical field of wire and cable production and comprises three groups of electric cores, wherein steel cables are fixedly connected to the outer part of an insulating layer, steel cables are sleeved on the outer wall of the insulating layer, and a filling layer is sleeved on the outer wall of the steel cable; if meet the conflagration condition in the use, the material of flame retardant coating is polyolefin, polyolefin is aluminium hydroxide, magnesium hydrate complex forms, release crystal water when burning, absorb a large amount of heat, simultaneously, dehydration reaction can produce a large amount of steam, it can dilute combustible gas, thereby prevent burning, wherein the flame retardant coating is ceramic silicone rubber complex belt, the filling layer material is fire mud, the flame retardant coating takes place ceramic under the high temperature condition of meeting the flame firing, closely parcel filling layer when isolating the flame, prevent that inner structure is loose, protect cable inner conductor, through multilayer fireproof structure's setting, the multilayer fireproof flame retardant efficiency of cable has been improved, reduce the property loss because the cable damages and causes.
Description
Technical Field
The application relates to the technical field of wire and cable production, in particular to a waterproof and fireproof power cable.
Background
The fireproof power cable has excellent fireproof and combustion-resistant performance and no flame delay, can still maintain normal power on operation for a certain time under the condition of ignition and combustion, and is widely used in important departments and public places such as high-rise buildings, subways, power plants, nuclear power plants, tunnels and the like. The traditional fire-resistant power cable is a mica tape wrapping structure. The mica tape is prepared by selecting phlogopite paper, an organic silicon resin adhesive and alkali-free glass fiber cloth, and performing gluing, bonding and baking. However, the fire-resistant cable with the fire-resistant layer structure can only pass the B fire-resistant test specified by the GB/T12666 standard, and the conventional ceramic silicon rubber fire-resistant power cable can pass the A fire-resistant test, but has low structural strength and poor tensile property compared with the common polyvinyl chloride power cable.
The utility model discloses a waterproof fire-resistant power cable, which relates to the technical field of cables and is disclosed in a published patent with an authorized bulletin number of CN 208521652U. The cable core is wrapped with an outer waterproof layer, and the outer waterproof layer is wrapped with an integrated waterproof sheath. The utility model has the advantages of excellent waterproof and fireproof performances, safety, reliability, simple structure and convenient manufacture.
In practical use, the cable is poor in flame retardant effect due to the fact that only a single flame retardant layer is arranged, and if the cable encounters a fire disaster condition, the property loss caused by the fire disaster condition is high.
Disclosure of utility model
The waterproof fire-resistant power cable provided by the application has the characteristics of excellent waterproof fire-resistant performance, safety, reliability, simple structure and convenience in manufacture in the use process of the device, but the problem that the cable is stretched possibly in the transportation and use processes is not considered, the cable is lengthened by pulling, the insulating protection layer is thinned, the insulating performance is reduced, the fatigue of a battery core is easily caused, and the use of the cable is influenced.
In order to achieve the above purpose, the present application adopts the following technical scheme:
a waterproof fire-resistant power cable comprises three groups of electric cores;
The three groups the insulating layer has all been wrapped up to electric core outer wall, outside contained angle department is provided with the steel cable between the multiunit insulating layer, the steel cable outer wall with the insulating layer outer wall has cup jointed the filling layer, the filling layer outer wall has cup jointed the flame retardant coating, the waterproof filling layer has been cup jointed to the flame retardant coating outer wall, waterproof filling layer outer wall has cup jointed the waterproof layer, the flame retardant coating has been cup jointed to the waterproof layer outer wall.
Through adopting above-mentioned technical scheme, through setting up the steel cable, thereby the steel cable can help the cable to bear partial pulling force and twisting power in transportation or use, promote the stretch-proofing ability and the anti-torsion power of cable, if meet the conflagration condition in the use, the material on flame retardant coating is polyolefin, polyolefin is aluminium hydroxide, magnesium hydrate complex forms, can release crystal water when burning, absorb a large amount of heats, simultaneously, dehydration reaction can produce a large amount of vapor, it can dilutes combustible gas, thereby prevent burning, wherein the flame retardant coating is ceramic silicone rubber composite tape, the filling layer material is fire mud, the flame retardant coating can take place ceramic under the high temperature condition that meets the flame burning, also can closely parcel filling layer when isolated flame, prevent that inner structure is loose, protect the cable inner conductor, through multilayer fireproof structure's setting, the multilayer fireproof flame retardant effect of cable has been improved, the loss of property that causes because the cable damages has been reduced.
As a preferred embodiment, the electric core is a profiled water-blocking conductor.
By adopting the technical scheme, the special-shaped water-blocking conductor has good water-blocking effect, excellent water-blocking performance, and can effectively prevent short circuit and effectively improve cable safety.
As a preferred embodiment, the insulating layer is made of polyvinyl chloride.
Through adopting above-mentioned technical scheme, through adopting polyvinyl chloride insulating layer, can play good insulating effect, prevent to establish ties each other between the inside electric core of cable, effectively improved cable security.
As a preferred embodiment, the waterproof filling layer is a waterproof expansion tape.
Through adopting above-mentioned technical scheme, through adopting polyvinyl chloride insulating layer, can play good insulating effect, prevent to establish ties each other between the inside electric core of cable, effectively improved cable security.
As a preferable implementation mode, the waterproof layer is a composite waterproof sheath of a longitudinal wrapping aluminum-plastic composite belt and an extrusion wrapping polyethylene.
Through adopting above-mentioned technical scheme, through setting up indulging the waterproof sheath of cladding plastic-aluminum composite area and crowded cladding polyethylene, can effectively play waterproof effect that blocks water, effectively improved cable security.
As a preferred embodiment, the protective layer is a steel tape armor layer.
Through adopting above-mentioned technical scheme, through setting up the steel tape armor, can effectively help the cable to improve structural resistance, can improve the extrusion resistance and the antitorque bent effect of cable, effectively improve cable security.
The application has the beneficial effects that:
1. This waterproof fire-resistant power cable is through setting up steel cable 3 to steel cable 3 can help the cable to bear partial pulling force and twisting power in transportation or use, promote the stretch-proofing ability and the anti-twisting power of cable, in the use if meet the conflagration condition, the material of flame retardant coating 8 is polyolefin, polyolefin is aluminium hydroxide, magnesium hydrate complex forms, can release crystal water when burning, absorb a large amount of heats, simultaneously, dehydration reaction can produce a large amount of steam, it can dilutes combustible gas, thereby prevent burning, wherein flame retardant coating 5 is ceramic silicone rubber composite tape, the filling layer 4 material is the flame retardant mud, the ceramic formation can take place under the high temperature condition that meets the flame burning in flame retardant coating 5, also can closely wrap up filling layer 4 when isolated flame, prevent that inner structure is loose, protect cable inner conductor, through multilayer fire prevention structure's setting, the multilayer fire prevention flame retardant efficiency of cable has been improved, reduce the property loss that causes because the cable damages.
2. According to the waterproof fire-resistant power cable, the battery core is adopted as the special-shaped water-blocking conductor, so that a good water-blocking effect can be achieved, the waterproof performance is excellent, the occurrence of short circuit can be effectively prevented, and the safety of the cable is effectively improved.
Drawings
FIG. 1 is a schematic diagram of a front view of a waterproof fire-resistant power cable of the present application;
FIG. 2 is a schematic view of the construction of a waterproof fire-resistant power cable A according to the present application;
Fig. 3 is a schematic sectional view of a waterproof fire-resistant power cable B according to the present application.
Reference numerals in the drawings: 1. a battery cell; 2. an insulating layer; 3. a wire rope; 4. a filling layer; 5. a fire-blocking layer; 6. a waterproof filling layer; 7. a waterproof layer; 8. a flame retardant layer; 9. and (3) a protective layer.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments.
Referring to fig. 1-3, a waterproof fire-resistant power cable comprises three sets of electrical cores 1;
The outer wall of the three groups of electric cores 1 is wrapped with insulating layers 2, steel cables 3 are arranged at the outer included angles between the groups of insulating layers 2, the outer walls of the steel cables 3 are sleeved with filling layers 4 and 2, the outer walls of the filling layers 4 are sleeved with fireproof layers 5, the outer walls of the fireproof layers 5 are sleeved with waterproof filling layers 6, the outer walls of the waterproof filling layers 6 are sleeved with waterproof layers 7, and the outer walls of the waterproof layers 7 are sleeved with flame retardant layers 8.
When the fire-resistant cable is used, the steel cable 3 is arranged, so that the cable can bear a part of tension and torsion in the transportation or use process, the tensile capacity and torsion resistance of the cable are improved, in the use process, if a fire disaster condition is met, the material of the flame-retardant layer 8 is polyolefin, the polyolefin is formed by compounding aluminum hydroxide and magnesium hydroxide, crystal water can be released during combustion, a large amount of heat is absorbed, meanwhile, dehydration reaction can generate a large amount of water vapor, the water vapor can dilute combustible gas, and accordingly combustion is prevented, the fire-resistant layer 5 is a ceramic silicon rubber composite belt, the filling layer 4 is made of fire-resistant mud, the fire-resistant layer 5 can be ceramic under the condition of meeting the high temperature of burning flame, the filling layer 4 can be tightly wrapped when the fire-resistant layer is isolated, the internal structure is prevented from being loose, the internal conductor of the cable is protected, the multi-layer fireproof flame-retardant effect of the cable is improved, and property loss caused by the damage of the cable is reduced through the arrangement of the multi-layer fireproof structure.
Referring to fig. 1, the insulating layer 2 is made of polyvinyl chloride.
When the cable is used, the polyvinyl chloride insulating layer is adopted, so that a good insulating effect can be achieved, the electric cores 1 in the cable are prevented from being connected in series, and the safety of the cable is effectively improved.
Referring to fig. 1, the waterproof filler layer 6 is a waterproof expansion tape.
When the waterproof expansion belt is used, water can be absorbed and expanded when water invades the cable, more water is prevented from entering the cable, and the safety of the cable is effectively improved.
Referring to fig. 1, the waterproof layer 7 is a composite waterproof sheath of a longitudinal wrapping aluminum-plastic composite belt and an extruded polyethylene.
When the waterproof cable is used, the waterproof jacket is integrally formed by arranging the longitudinal wrapping aluminum-plastic composite belt and the extruded polyethylene, so that the waterproof effect can be effectively achieved, and the safety of the cable is effectively improved.
Referring to fig. 1, the protective layer 9 is a steel tape armor layer.
When the cable is used, the steel tape armor layer is arranged, so that the structural resistance of the cable can be effectively improved, the extrusion resistance and the torsion resistance of the cable can be improved, and the safety of the cable is effectively improved.
Referring to fig. 1, a battery cell 1 is a profiled water blocking conductor.
When the waterproof cable is used, the special-shaped waterproof conductor is adopted, so that a good waterproof effect can be achieved, the waterproof performance is excellent, the occurrence of short circuit can be effectively prevented, and the safety of the cable is effectively improved.
Working principle: firstly, the protection layer 9 is a steel tape armor layer, so that the structural resistance of the cable can be effectively improved, the extrusion resistance and the anti-buckling effect of the cable can be improved, secondly, the waterproof layer 7 is a composite waterproof sheath of a longitudinal wrapping aluminum plastic belt and an extrusion wrapping polyethylene, the waterproof effect can be effectively achieved, secondly, the waterproof filling layer 6 is a waterproof expansion belt, water can be absorbed and expanded when water invades the cable, more water is prevented from entering the cable, the insulation layer 2 is made of polyvinyl chloride, the good insulation effect can be achieved, the mutual series connection between the electric cores 1 in the cable is prevented, the good waterproof effect can be achieved by adopting the electric cores 1 as special-shaped waterproof conductors, the good waterproof performance can be achieved, the generation of short circuits can be effectively prevented, and the steel cable 3 is arranged, therefore, the steel cable 3 can help the cable bear a part of tension and torsion in the transportation or use process, the tensile resistance and the torsion resistance of the cable are improved, in the use process, if a fire disaster condition is met, the material of the flame retardant layer 8 is polyolefin, the polyolefin is aluminum hydroxide and magnesium hydroxide, the polyolefin is compounded, crystal water is released in the combustion process, a large amount of heat is absorbed, at the same time, dehydration reaction can generate a large amount of water vapor, the water vapor can dilute combustible gas, thereby preventing the combustion, wherein the flame retardant layer 5 is a ceramic silicon rubber compound belt, the material of the filling layer 4 is flame retardant mud, the flame retardant layer 5 can be ceramic under the condition of meeting the high temperature of flame burning, the filling layer 4 can be tightly wrapped while isolating the flame, the internal structure is prevented from loosening, the internal conductor of the cable is protected, the multi-layer fireproof flame retardant effect of the cable is improved through the arrangement of the multi-layer fireproof structure, and reduces property loss caused by cable damage.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (6)
1. The utility model provides a waterproof fire-resistant power cable, includes three group's electric core (1), its characterized in that, three group electric core (1) outer wall all wraps up insulating layer (2), outside contained angle department is provided with steel cable (3) between multiunit insulating layer (2), steel cable (3) outer wall with filling layer (4) have been cup jointed to insulating layer (2) outer wall, fireproof layer (5) have been cup jointed to filling layer (4) outer wall, waterproof filling layer (6) have been cup jointed to fireproof layer (5) outer wall, waterproof layer (7) have been cup jointed to waterproof filling layer (6) outer wall, flame retardant coating (8) have been cup jointed to waterproof layer (7) outer wall.
2. A waterproof and fire-resistant power cable according to claim 1, characterized in that the electrical core (1) is a profiled water-blocking conductor.
3. A waterproof and fire-resistant power cable according to claim 1, characterized in that the insulating layer (2) is of polyvinyl chloride.
4. A waterproof fire-resistant power cable according to claim 1, characterized in that the waterproof filler layer (6) is a water-resistant intumescent tape.
5. The waterproof and fireproof power cable according to claim 1, characterized in that the waterproof layer (7) is a composite waterproof sheath of longitudinally-wrapped aluminum-plastic composite tape and extruded polyethylene.
6. A waterproof and fire-resistant power cable according to claim 1, characterized in that the outer part of the flame-retardant layer (8) is sheathed with a protective layer (9), the protective layer (9) being a steel tape armouring layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322567752.3U CN220856185U (en) | 2023-09-21 | 2023-09-21 | Waterproof fire-resistant power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322567752.3U CN220856185U (en) | 2023-09-21 | 2023-09-21 | Waterproof fire-resistant power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220856185U true CN220856185U (en) | 2024-04-26 |
Family
ID=90745211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322567752.3U Active CN220856185U (en) | 2023-09-21 | 2023-09-21 | Waterproof fire-resistant power cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220856185U (en) |
-
2023
- 2023-09-21 CN CN202322567752.3U patent/CN220856185U/en active Active
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