CN220672253U - High flame-retardant insulated wire and cable - Google Patents
High flame-retardant insulated wire and cable Download PDFInfo
- Publication number
- CN220672253U CN220672253U CN202322151668.3U CN202322151668U CN220672253U CN 220672253 U CN220672253 U CN 220672253U CN 202322151668 U CN202322151668 U CN 202322151668U CN 220672253 U CN220672253 U CN 220672253U
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- layer
- retardant
- flame
- fire
- cable
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- 239000003063 flame retardant Substances 0.000 title claims abstract description 105
- 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 70
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 18
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000010949 copper Substances 0.000 claims abstract description 9
- 229910052802 copper Inorganic materials 0.000 claims abstract description 9
- 238000005728 strengthening Methods 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 25
- 239000002657 fibrous material Substances 0.000 claims description 14
- 239000000779 smoke Substances 0.000 claims description 10
- 229920000728 polyester Polymers 0.000 claims description 8
- 239000004743 Polypropylene Substances 0.000 claims description 7
- 239000000919 ceramic Substances 0.000 claims description 7
- 229920003020 cross-linked polyethylene Polymers 0.000 claims description 7
- 239000004703 cross-linked polyethylene Substances 0.000 claims description 7
- -1 polypropylene Polymers 0.000 claims description 7
- 229920001155 polypropylene Polymers 0.000 claims description 7
- 229920005749 polyurethane resin Polymers 0.000 claims description 7
- 229920002379 silicone rubber Polymers 0.000 claims description 7
- 229920006231 aramid fiber Polymers 0.000 claims description 6
- 239000010425 asbestos Substances 0.000 claims description 6
- 229920000098 polyolefin Polymers 0.000 claims description 6
- 229910052895 riebeckite Inorganic materials 0.000 claims description 6
- 230000000903 blocking effect Effects 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 238000009413 insulation Methods 0.000 abstract description 14
- 230000009970 fire resistant effect Effects 0.000 abstract description 7
- 230000002265 prevention Effects 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 104
- 230000001681 protective effect Effects 0.000 description 8
- 239000004020 conductor Substances 0.000 description 5
- 230000003139 buffering effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 231100000956 nontoxicity Toxicity 0.000 description 4
- 230000006378 damage Effects 0.000 description 3
- 239000004945 silicone rubber Substances 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 2
- 238000010292 electrical insulation Methods 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009422 external insulation Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012946 outsourcing Methods 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- DXZMANYCMVCPIM-UHFFFAOYSA-L zinc;diethylphosphinate Chemical compound [Zn+2].CCP([O-])(=O)CC.CCP([O-])(=O)CC DXZMANYCMVCPIM-UHFFFAOYSA-L 0.000 description 1
Classifications
-
- 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
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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- Insulated Conductors (AREA)
Abstract
The utility model relates to the technical field of wires and cables, and discloses a high-flame-retardance insulated wire and cable, which comprises a wear-resistant outer sheath layer, wherein an insulating layer is wrapped in the wear-resistant outer sheath layer, a first flame-retardant layer is wrapped in the insulating layer, a flame-retardant water-blocking belt is wrapped in the first flame-retardant layer, a second flame-retardant layer is wrapped in the flame-retardant water-blocking belt, a copper woven shielding layer is wrapped in the second flame-retardant layer, a filling layer is arranged in the copper woven shielding layer, and flexible reinforcing ribs are arranged in the filling layer. This high fire-retardant insulated wire cable can form multistage fire-retardant fire prevention structure through having fire-retardant, thermal-insulated and insulating properties's wear-resisting oversheath layer, insulating layer, fire-retardant layer one, fire-retardant layer two, filling layer and inner sheath, can make the cable fire-resistant heat-resisting to effective insulation, and can improve impact strength, stability and the tensile performance of tearing of whole cable through shellproof silk, flexible strengthening rib and elastic ring layer, more durable.
Description
Technical Field
The utility model relates to the technical field of wires and cables, in particular to a high-flame-retardance insulated wire and cable.
Background
The cable is made by one or more mutually insulated conductors and an outsourcing insulating protective layer, transmits electric power or information from one place to the wire of another place, and the whole outside of cable is covered with a highly insulating cover layer, has interior circular telegram, the characteristics of external insulation, and the protection function of current electric wire and cable is not good, leads to electric wire and cable to receive external destruction easily and damage to make electric wire and cable fire-retardant insulating properties not good, thereby bring harmful effects for electric wire and cable's life, and high fire-retardant insulation receives the extrusion easily and damages moreover.
The prior art scheme (Chinese patent publication No. CN 217113914U) discloses a high flame-retardant insulated wire and cable, which comprises a cable body, wherein the cable body comprises a conductor, the outer surface of the conductor is sequentially and fixedly connected with a heat-resistant layer and a flame-retardant layer through an adhesive, the outer surface of the cable body is provided with a protective sleeve, and the protective sleeve comprises a protective sleeve body. The utility model can ensure the rounding between the cable bodies by arranging the fillers, can realize the protection of the cable bodies by arranging the protective sleeves, enhances the flame retardant property of the cable bodies by the heat-resistant layer and the flame retardant layer, reduces the probability of burning out the protective sleeves and the fillers due to the high temperature generated by the conductors during working, enhances the insulating property of the protective sleeves by the insulating layer, reduces the probability of electric leakage during the conductors working, enhances the safety, enhances the corrosion resistance and the wear resistance of the protective sleeves by arranging the anti-corrosion layer and the wear-resistant layer, and prolongs the service life of the protective sleeves. Compared with the document, the flame-retardant structure is single, the fireproof heat resistance is lower, and the overall strength of the cable is not high.
Disclosure of Invention
(one) solving the technical problems
In order to overcome the defects in the prior art, the utility model provides a high-flame-retardance insulated wire and cable, which are used for solving the problems in the background.
(II) technical scheme
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a high fire-retardant insulated wire cable, includes wear-resisting oversheath layer, wear-resisting oversheath layer's inside parcel has the insulating layer, the inboard parcel of insulating layer has fire-retardant layer one, fire-retardant layer one's inboard parcel has fire-retardant water blocking tape, fire-retardant layer two's inboard parcel has copper braided shield layer, copper braided shield layer's inboard is equipped with the filling layer, the inboard of filling layer is equipped with flexible strengthening rib, the inboard parcel of filling layer has the inner sheath, the inboard parcel of inner sheath has the main core, the inboard parcel of filling layer has elastic loop layer, the inboard parcel of elastic loop layer has the shellproof silk.
Preferably, the wear-resistant outer sheath layer adopts modified polyurethane resin, and the insulating layer adopts crosslinked polyethylene.
Through the technical scheme, the wear-resistant outer sheath layer made of the modified polyurethane resin material can improve the wear resistance of the cable, has good heat insulation, and the insulating layer made of the crosslinked polyethylene can improve the insulating property of the cable, has good heat resistance and protects the inside.
Preferably, the first flame-retardant layer is made of ceramic silicon rubber, and the flame-retardant water-blocking tape is made of polyester fiber materials.
Through the technical scheme, the flame-retardant layer I made of the ceramic silicone rubber material has the characteristics of excellent fire resistance, flame retardance, low smoke, no toxicity and the like, the flame retardance of the cable can be greatly improved, and the flame-retardant water-blocking tape made of the polyester fiber material can provide a certain flame-retardant effect while being waterproof.
Preferably, the second flame-retardant layer is made of asbestos net materials, and the filling layer is made of flame-retardant polypropylene filling ropes.
Through the technical scheme, the second flame-retardant layer made of the asbestos net material has high fire resistance, electrical insulation and heat insulation, the flame-retardant insulation performance of the cable is further improved, the cable core can be round by the aid of the filling layer made of the flame-retardant polypropylene filling rope material, the mechanical buffering effect of the cable is improved, and the cable has good flame retardance, insulativity and flexibility, and is not rotten after being filled in the cable for a long time.
Preferably, the flexible reinforcing ribs and the elastic ring layer are made of TPE materials, and the flexible reinforcing ribs are distributed in a cross shape around the elastic ring layer.
Through the technical scheme, the filling layers are separated by the four flexible reinforcing ribs around the elastic ring layer and each fan-shaped main core area is formed, so that the position relationship between the main cores is stable, and the impact strength and stability of the whole cable can be improved by the flexible reinforcing ribs and the elastic ring layer.
Preferably, the inner sheath is made of low-smoke halogen-free flame-retardant polyolefin material, and the bulletproof filaments are made of aramid fiber material.
Through the technical scheme, the inner sheath of the low-smoke halogen-free flame-retardant polyolefin can provide flame-retardant protection for each main core, is more environment-friendly, and the central bulletproof yarn made of the aramid fiber material has the characteristics of high strength and good toughness, so that the tensile property of the cable can be greatly improved, and breakage is prevented.
Compared with the prior art, the utility model provides a high flame-retardant insulated wire cable, which has the following beneficial effects:
1. the wear-resistant outer sheath layer made of the modified polyurethane resin material can improve the wear resistance of the cable, and has good heat insulation, the insulating layer made of the crosslinked polyethylene can improve the insulating property of the cable, and has good heat resistance, the cable is internally protected, the fire resistance of the cable can be greatly improved through the characteristics of excellent fire resistance, fire retardance, low smoke, no toxicity and the like of the fire-retardant layer A made of the ceramic silicone rubber material, the fire retardance of the cable can be greatly improved through the fire-retardant water-blocking tape made of the polyester fiber material, a certain fire-retardant effect can be provided while the fire resistance is improved through the fire-retardant layer A made of the polyester fiber material, the fire-retardant insulating property of the cable is further improved, the cable core can be round through the filling layer made of the fire-retardant polypropylene filling rope material, the cable is improved in mechanical buffering effect, good fire retardance, the insulation and softness are achieved, the cable is not rotten in the cable due to long-term filling, the four flexible reinforcing ribs surround the filling layer to separate the filling layer and form various fan-shaped main core areas, the position relation among the cores is stable, the flexible reinforcing ribs and the elastic ring layer can improve the fire resistance, the fire resistance and the fire-retardant performance of the whole cable can be manufactured into the fire-retardant cable through the fire-retardant fiber with high-resistant performance, the fire-retardant performance is better, the fire-retardant performance is achieved, the fire-resistant performance is better, the fire-resistant performance is achieved, and the fire-resistant performance is better, and has the fire-resistant performance, and has the performance resistance performance is better resistance, and can prevent the fire-resistant performance, and can be made into the cable.
2. This high fire-retardant insulated wire cable can form multistage fire-retardant fire prevention structure through having fire-retardant, thermal-insulated and insulating properties's wear-resisting oversheath layer, insulating layer, fire-retardant layer one, fire-retardant layer two, filling layer and inner sheath, can make the cable fire-resistant heat-resisting to effective insulation, and can improve impact strength, stability and the tensile performance of tearing of whole cable through shellproof silk, flexible strengthening rib and elastic ring layer, more durable.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a right side view of the present utility model;
FIG. 3 is a schematic cross-sectional view of the present utility model;
fig. 4 is a schematic cross-sectional view of the second embodiment of the present utility model.
Wherein: 1. a wear-resistant outer jacket layer; 2. an insulating layer; 3. a first flame retardant layer; 4. flame retardant water blocking tape; 5. a second flame retardant layer; 6. a copper braid shielding layer; 7. a filling layer; 8. a flexible reinforcing rib; 9. an inner sheath; 10. a main core; 11. an elastic ring layer; 12. ballistic resistant filaments.
Detailed Description
The following description of the embodiments of the present utility model 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 utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Embodiment one:
as shown in fig. 1-4, the high-flame-retardance insulated wire and cable provided by the utility model comprises a wear-resistant outer sheath layer 1, wherein an insulating layer 2 is wrapped in the wear-resistant outer sheath layer 1, a flame-retardant layer I3 is wrapped in the insulating layer 2, a flame-retardant water-blocking tape 4 is wrapped in the flame-retardant layer I3, a flame-retardant layer II 5 is wrapped in the flame-retardant water-blocking tape 4, a copper woven shielding layer 6 is wrapped in the flame-retardant layer II 5, a filling layer 7 is arranged in the copper woven shielding layer 6, a flexible reinforcing rib 8 is arranged in the filling layer 7, an inner sheath 9 is wrapped in the filling layer 7, a main core 10 is wrapped in the inner sheath 9, an elastic ring layer 11 is wrapped in the filling layer 7, and a bulletproof wire 12 is wrapped in the elastic ring layer 11.
Specifically, the wear-resistant outer sheath layer 1 adopts modified polyurethane resin, the insulating layer 2 adopts crosslinked polyethylene, the wear-resistant outer sheath layer 1 adopting modified polyurethane resin material can improve the wear resistance of the cable, and has good heat insulation, and the insulating layer 2 adopting crosslinked polyethylene can improve the insulating property of the cable, and has good heat resistance, so that the inside is protected.
Specifically, the first flame-retardant layer 3 is made of ceramic silicon rubber, the flame-retardant water-blocking tape 4 is made of polyester fiber materials, the first flame-retardant layer 3 made of the ceramic silicon rubber materials has the characteristics of excellent fire resistance, flame retardance, low smoke, no toxicity and the like, the flame retardance of the cable can be greatly improved, and a certain flame-retardant effect can be provided while the cable is waterproof through the flame-retardant water-blocking tape 4 made of the polyester fiber materials.
Specifically, the second flame-retardant layer 5 is made of an asbestos net material, the filling layer 7 is made of a flame-retardant polypropylene filling rope material, the second flame-retardant layer 5 made of the asbestos net material has high fire resistance, electrical insulation and heat insulation, the flame-retardant insulating property of the cable is further improved, the cable core can be round by the aid of the filling layer 7 made of the flame-retardant polypropylene filling rope material, the mechanical buffering effect of the cable is improved, and the cable is good in flame retardance, insulativity and flexibility, and is not rotten after being filled in the cable for a long time.
Embodiment two:
as shown in fig. 3-4, as an improvement over the previous embodiment. Specifically, the flexible reinforcing ribs 8 and the elastic ring layer 11 are made of TPE materials, the flexible reinforcing ribs 8 are distributed in a cross shape around the elastic ring layer 11, the four flexible reinforcing ribs 8 divide the filling layer 7 around the elastic ring layer 11 and form the area of each fan-shaped main core 10, so that the position relationship between the main cores 10 is stable, and the flexible reinforcing ribs 8 and the elastic ring layer 11 can improve the impact strength and the stability of the whole cable.
Specifically, the inner sheath 9 is made of a low-smoke halogen-free flame-retardant polyolefin material, the bulletproof filaments 12 are made of an aramid fiber material, the inner sheath 9 of the low-smoke halogen-free flame-retardant polyolefin can provide flame-retardant protection for each main core 10, the environment is better protected, and the central bulletproof filaments 12 made of the aramid fiber material have the characteristics of high strength and good toughness, so that the tensile pulling performance of the cable can be greatly improved, and the breakage can be prevented.
Working principle: when in use, the wear-resistant outer sheath layer 1 of the modified polyurethane resin material can improve the wear resistance of the cable, has good heat insulation, the insulating layer 2 of the crosslinked polyethylene can improve the insulating property of the cable, has good heat resistance and protects the inside, the flame retardant layer 3 of the ceramic silicone rubber material has excellent characteristics of fire resistance, flame retardance, low smoke, no toxicity and the like, can greatly improve the flame retardance of the cable, the flame retardant water-blocking belt 4 of the polyester fiber material can provide a certain flame retardant effect while being waterproof, the flame retardant layer 5 of the asbestos net material has high fire resistance, electric insulation and heat insulation, further improves the flame retardant insulating property of the cable, the filling layer 7 of the flame retardant polypropylene filling rope material can round the cable core, the cable mechanical buffering effect is improved, the cable is also good in flame retardance, insulativity and softness, the cable is filled in the cable for a long time, the filling layer 7 is separated and the sector-shaped main core 10 areas are formed by surrounding the elastic ring layer 11 through the four flexible reinforcing ribs 8, the position relationship between the main cores 10 is stable, the impact strength and stability of the whole cable can be improved through the flexible reinforcing ribs 8 and the elastic ring layer 11, the main cores 10 can be provided with flame retardant protection and environmental protection through the inner sheath 9 of the low-smoke halogen-free flame retardant polyolefin, the central bulletproof wire 12 made of the aramid fiber material has the characteristics of high strength and good toughness, the tensile property of the cable can be greatly improved, the breakage is prevented, the multistage flame retardant fireproof structure can be formed through the wear-resistant outer sheath layer 1, the insulating layer 2, the flame retardant layer 3, the flame retardant layer 5, the filling layer 7 and the inner sheath 9 with flame retardant, heat insulation and insulating properties, the cable is fireproof and heat-resistant, is effectively insulated, and can be improved in impact strength, stability and tensile property through the bulletproof wire 12, the flexible reinforcing ribs 8 and the elastic ring layer 11, so that the cable is more durable.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a high fire-retardant insulating wire and cable, includes wear-resisting oversheath layer (1), its characterized in that: the inside parcel of wear-resisting oversheath layer (1) has insulating layer (2), the inboard parcel of insulating layer (2) has fire-retardant layer one (3), the inboard parcel of fire-retardant layer one (3) has fire-retardant water blocking tape (4), the inboard parcel of fire-retardant water blocking tape (4) has fire-retardant layer two (5), the inboard parcel of fire-retardant layer two (5) has copper braided shield (6), the inboard of copper braided shield (6) is equipped with filling layer (7), the inboard of filling layer (7) is equipped with flexible strengthening rib (8), the inboard parcel of filling layer (7) has inner sheath (9), the inboard parcel of inner sheath (9) has main core (10), the inboard parcel of filling layer (7) has elastic loop layer (11), the inboard parcel of elastic loop layer (11) has shellproof silk (12).
2. A high flame retardant insulated wire and cable according to claim 1, wherein: the wear-resistant outer sheath layer (1) adopts modified polyurethane resin, and the insulating layer (2) adopts crosslinked polyethylene.
3. A high flame retardant insulated wire and cable according to claim 1, wherein: the first flame-retardant layer (3) is made of ceramic silicon rubber, and the flame-retardant water-blocking tape (4) is made of polyester fiber materials.
4. A high flame retardant insulated wire and cable according to claim 1, wherein: and the second flame-retardant layer (5) is made of an asbestos net material, and the filling layer (7) is made of flame-retardant polypropylene filling ropes.
5. A high flame retardant insulated wire and cable according to claim 1, wherein: the flexible reinforcing ribs (8) and the elastic ring layer (11) are made of TPE materials, and the flexible reinforcing ribs (8) are distributed in a cross shape around the elastic ring layer (11).
6. A high flame retardant insulated wire and cable according to claim 1, wherein: the inner sheath (9) is made of low-smoke halogen-free flame-retardant polyolefin material, and the bulletproof filaments (12) are made of aramid fiber material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322151668.3U CN220672253U (en) | 2023-08-10 | 2023-08-10 | High flame-retardant insulated wire and cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322151668.3U CN220672253U (en) | 2023-08-10 | 2023-08-10 | High flame-retardant insulated wire and cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220672253U true CN220672253U (en) | 2024-03-26 |
Family
ID=90341312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322151668.3U Active CN220672253U (en) | 2023-08-10 | 2023-08-10 | High flame-retardant insulated wire and cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220672253U (en) |
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2023
- 2023-08-10 CN CN202322151668.3U patent/CN220672253U/en active Active
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