CN219958613U - Cable with good fireproof and flame-retardant properties - Google Patents

Cable with good fireproof and flame-retardant properties Download PDF

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Publication number
CN219958613U
CN219958613U CN202321002003.XU CN202321002003U CN219958613U CN 219958613 U CN219958613 U CN 219958613U CN 202321002003 U CN202321002003 U CN 202321002003U CN 219958613 U CN219958613 U CN 219958613U
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CN
China
Prior art keywords
layer
cable
flame
retardant
shielding
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Application number
CN202321002003.XU
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Chinese (zh)
Inventor
刘波
陈元封
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Fuzhou Kaili Wire And Cable Co ltd
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Fuzhou Kaili Wire And Cable Co ltd
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Priority to CN202321002003.XU priority Critical patent/CN219958613U/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/14Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables

Abstract

The utility model discloses a cable with good fireproof and flame-retardant properties, which comprises a plurality of cable cores which are uniformly distributed, wherein shielding layers are arranged on the outer sides of the cable cores, filling layers are arranged on the outer sides of the shielding layers, armor layers are arranged on the outer sides of the filling layers, and first flame-retardant layers are arranged on the outer sides of the armor layers. According to the utility model, the shielding layer is designed to play a role in electromagnetic shielding on the cable core, interference to the operation of the cable core is prevented, the mica tape has heat insulation and flame retardation effects through the action of the filling layer, influence of high temperature on the internal structure is prevented, a certain flame retardation effect can be provided for the interior of the cable through the action of the first flame retardation layer, a heat insulation effect can be provided for the internal structure of the cable through the action of the heat insulation layer, influence of temperature transmission on the internal structure is prevented, a certain flame retardation effect is provided on the outer surface of the cable through the action of the second flame retardation layer, and the fire diffusion caused by the combustion of the cable is prevented.

Description

Cable with good fireproof and flame-retardant properties
Technical Field
The utility model relates to the technical field of cables, in particular to a cable with good fireproof and flame-retardant properties.
Background
A cable is an electrical energy or signal transmission device, typically consisting of several wires or groups of wires. The cables include power cables, control cables, compensation cables, shield cables, high temperature cables, computer cables, signal cables, coaxial cables, fire resistant cables, marine cables, mining cables, aluminum alloy cables, and the like. They are composed of single or multi-strand wires and insulating layers for connecting circuits, appliances, etc. The utility model patent with the patent grant publication number of CN205194372U discloses a cable which comprises a core conductor and an insulating layer; the insulating layer is wrapped on the core conductor; the insulation layer is provided with an inner protection layer and an outer protection layer at the periphery of the inner protection layer; a foaming layer is arranged between the core conductor and the insulating layer; a shielding layer is arranged outside the insulating layer, and a high temperature resistant layer is arranged outside the shielding layer; a plurality of fillers are filled between the core conductors; an armor layer is arranged between the inner protective layer and the outer protective layer; and a wear-resistant layer is arranged outside the outer protective layer. The cable has a simple structure, and the protective performance of the cable is improved, the compression resistance and the tensile resistance of the cable are enhanced, and the service life of the cable is prolonged by arranging the foaming layer between the core conductor and the insulating layer; the shielding layer is arranged outside the insulating layer, so that the anti-interference capability is strong; through the arrangement of the high temperature resistant layer and the wear resistant layer, the high temperature resistance and the wear resistance of the cable are improved.
Among the above-mentioned prior art, when the cable was used, its fire resistance was relatively poor, and flame retardant efficiency was not enough when the cable took place to burn, can't reduce the diffusion of fire. Improvements are therefore needed.
Disclosure of Invention
The utility model aims to provide a cable with good fireproof and flame-retardant performance, and solves the problem of insufficient fireproof and flame-retardant effects of the cable.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a cable that fire prevention fire retardant performance is good, includes a plurality of evenly distributed's cable core, the outside of cable core is provided with the shielding layer, the outside of shielding layer is provided with the filling layer, the outside of filling layer is provided with the armor, the outside of armor is provided with first fire-retardant layer, the outside of first fire-retardant layer is provided with the insulating layer, the outside of insulating layer is provided with the fire-retardant layer of second.
Preferably, the shielding layer is made of aluminum foil Mylar, and the thickness of the shielding layer is 1mm. Through the design shielding layer, the cable core can be subjected to electromagnetic shielding, and interference to the operation of the cable core is prevented.
Preferably, the filling layer is made of mica tape material, and the thickness of the filling layer is 3mm. Through the design filling layer, can improve the inside thermal-insulated flame retardant efficiency of cable.
Preferably, the armor is made of galvanized steel strip, and the thickness of the armor is 0.8mm. Through the design armor, can improve cable overall structure intensity.
Preferably, the first flame retardant layer is made of glass fiber, and the thickness of the first flame retardant layer is 0.8mm. Through the first flame retardant coating of design, can improve cable inner structure flame retardant efficiency.
Preferably, the heat insulation layer is made of ceramic fiber material, and the thickness of the heat insulation layer is 0.7mm. Through the design insulating layer, can improve the thermal-insulated performance of cable, prevent heat transfer to the cable inside.
Preferably, the second flame retardant layer is made of PVC material and is coated with flame retardant material, and the thickness of the second flame retardant layer is 0.85mm. Through the design of the second flame retardant layer, the flame retardant effect of the outer surface of the cable is better.
Compared with the prior art, the utility model has the following beneficial effects:
according to the utility model, the shielding layer is designed to play a role in electromagnetic shielding on the cable core, interference to the operation of the cable core is prevented, the mica tape has heat insulation and flame retardation effects through the action of the filling layer, influence of high temperature on the internal structure is prevented, a certain flame retardation effect can be provided for the interior of the cable through the action of the first flame retardation layer, a heat insulation effect can be provided for the internal structure of the cable through the action of the heat insulation layer, influence of temperature transmission on the internal structure is prevented, a certain flame retardation effect is provided on the outer surface of the cable through the action of the second flame retardation layer, and the fire diffusion caused by the combustion of the cable is prevented.
Drawings
FIG. 1 is a perspective view of the overall structure of the present utility model;
FIG. 2 is a front elevational view of the structure of FIG. 1 in accordance with the present utility model;
fig. 3 is a top cross-sectional view of fig. 2 of the present utility model.
In the figure: 1. a cable core; 2. a shielding layer; 3. a filling layer; 4. an armor layer; 5. a first flame retardant layer; 6. a thermal insulation layer; 7. and a second flame retardant layer.
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.
Please refer to fig. 1, fig. 2, fig. 3, a cable with good fireproof and flame retardant properties, including a plurality of evenly distributed cable cores 1, the outside of cable core 1 is provided with shielding layer 2, shielding layer 2 is aluminium foil maillard material, shielding layer 2's thickness is 1mm, through designing shielding layer 2, can play an electromagnetic shielding's purpose to cable core 1, prevent to cause the interference to cable core 1's work, shielding layer 2's outside is provided with filling layer 3, filling layer 3 is mica tape material, filling layer 3's thickness is 3mm, through designing filling layer 3, can improve cable inside thermal-insulated and flame retardant efficiency.
Referring to fig. 1, 2 and 3, an armor layer 4 is arranged on the outer side of the filling layer 3, the armor layer 4 is made of galvanized steel tape, the thickness of the armor layer 4 is 0.8mm, the strength of the whole structure of the cable can be improved by designing the armor layer 4, a first flame-retardant layer 5 is arranged on the outer side of the armor layer 4, the first flame-retardant layer 5 is made of glass fiber, the thickness of the first flame-retardant layer 5 is 0.8mm, and the flame-retardant effect of the inner structure of the cable can be improved by designing the first flame-retardant layer 5.
Referring to fig. 1, 2 and 3, the outer side of the first flame retardant layer 5 is provided with a heat insulating layer 6, the heat insulating layer 6 is made of ceramic fiber, the thickness of the heat insulating layer 6 is 0.7mm, the heat insulating performance of the cable can be improved through designing the heat insulating layer 6, heat is prevented from being transferred to the inside of the cable, the outer side of the heat insulating layer 6 is provided with a second flame retardant layer 7, the second flame retardant layer 7 is made of PVC material and is coated with flame retardant materials, the thickness of the second flame retardant layer 7 is 0.85mm, and the flame retardant effect of the outer surface of the cable is better through designing the second flame retardant layer 7.
The specific implementation process of the utility model is as follows: the shielding layer 2 that adopts is aluminium foil wheat and draws the area material, can play an electromagnetic shield's purpose to cable core 1, prevent to cause the interference to the work of cable core 1, the filling layer 3 that adopts is mica tape material, can improve the inside thermal-insulated and flame retardant efficiency of cable, the armor layer 4 that adopts is galvanized steel strip material, can improve the overall structural strength of cable, the first flame retardant coating 5 that adopts is glass fiber material, can improve the flame retardant efficiency of cable inner structure, the insulating layer 6 that adopts is ceramic fiber material, can improve the thermal-insulated performance of cable, prevent that heat transfer to the cable is inside, the second flame retardant coating 7 that adopts is PVC material and coats and have flame retardant material for cable surface flame retardant efficiency is better. Through the effect of shielding layer 2, can play an electromagnetic shield's purpose to cable core 1, prevent to produce the interference to the work of cable core 1, through the effect of filling layer 3, the mica tape has thermal-insulated and fire-retardant effect, prevent that the high temperature from causing the influence to inner structure, through the effect of first fire-retardant layer 5, can provide certain flame retardant effect for cable inside, through the effect of insulating layer 6, can play a thermal-insulated effect to cable inner structure, prevent that temperature transfer from causing the influence to inner structure, through the effect of second fire-retardant layer 7, make the surface of cable have certain flame retardant effect, prevent the diffusion of cable burning cause the fire.
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 (7)

1. The utility model provides a cable that fire prevention fire behaviour is good, includes a plurality of evenly distributed's cable core (1), its characterized in that: the cable core is characterized in that a shielding layer (2) is arranged on the outer side of the cable core (1), a filling layer (3) is arranged on the outer side of the shielding layer (2), an armor layer (4) is arranged on the outer side of the filling layer (3), a first flame-retardant layer (5) is arranged on the outer side of the armor layer (4), a heat insulation layer (6) is arranged on the outer side of the first flame-retardant layer (5), and a second flame-retardant layer (7) is arranged on the outer side of the heat insulation layer (6).
2. The cable with good fireproof and flame-retardant performance according to claim 1, wherein: the shielding layer (2) is made of aluminum foil Mylar, and the thickness of the shielding layer (2) is 1mm.
3. The cable with good fireproof and flame-retardant performance according to claim 1, wherein: the filling layer (3) is made of mica tapes, and the thickness of the filling layer (3) is 3mm.
4. The cable with good fireproof and flame-retardant performance according to claim 1, wherein: the armor (4) is made of galvanized steel strips, and the thickness of the armor (4) is 0.8mm.
5. The cable with good fireproof and flame-retardant performance according to claim 1, wherein: the first flame retardant layer (5) is made of glass fiber, and the thickness of the first flame retardant layer (5) is 0.8mm.
6. The cable with good fireproof and flame-retardant performance according to claim 1, wherein: the heat insulation layer (6) is made of ceramic fiber, and the thickness of the heat insulation layer (6) is 0.7mm.
7. The cable with good fireproof and flame-retardant performance according to claim 1, wherein: the second flame-retardant layer (7) is made of PVC and is coated with a flame-retardant material, and the thickness of the second flame-retardant layer (7) is 0.85mm.
CN202321002003.XU 2023-04-28 2023-04-28 Cable with good fireproof and flame-retardant properties Active CN219958613U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321002003.XU CN219958613U (en) 2023-04-28 2023-04-28 Cable with good fireproof and flame-retardant properties

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321002003.XU CN219958613U (en) 2023-04-28 2023-04-28 Cable with good fireproof and flame-retardant properties

Publications (1)

Publication Number Publication Date
CN219958613U true CN219958613U (en) 2023-11-03

Family

ID=88542219

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321002003.XU Active CN219958613U (en) 2023-04-28 2023-04-28 Cable with good fireproof and flame-retardant properties

Country Status (1)

Country Link
CN (1) CN219958613U (en)

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