CN219872943U - High-temperature-resistant pressure-resistant moisture-proof fireproof cable - Google Patents

High-temperature-resistant pressure-resistant moisture-proof fireproof cable Download PDF

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Publication number
CN219872943U
CN219872943U CN202320986215.XU CN202320986215U CN219872943U CN 219872943 U CN219872943 U CN 219872943U CN 202320986215 U CN202320986215 U CN 202320986215U CN 219872943 U CN219872943 U CN 219872943U
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China
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resistant
layer
cable
fireproof
cable core
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Active
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CN202320986215.XU
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冯益君
史建敏
曹勇利
曹超伟
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Jiangsu Jida Cable Co ltd
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Jiangsu Jida Cable Co ltd
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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

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Abstract

The utility model discloses a high-temperature-resistant pressure-resistant moisture-proof fireproof cable which comprises a plurality of cable core units, a torsion resistant member, a fireproof flame-retardant layer, a waterproof layer, a fireproof isolation layer and an outer protective layer, wherein the outer protective layer is made of polyurethane materials, the fireproof isolation layer is formed by wrapping a ceramic fireproof belt layer, a high-temperature-resistant coating is coated on the outer surface of the outer protective layer, and the cable core units comprise cable cores, inner insulating layers coated on the outer parts of the cable cores and flame-retardant layers coated on the outer parts of the inner insulating layers. According to the high-temperature-resistant pressure-resistant moisture-proof fireproof cable, the fireproof flame-retardant layer, the waterproof layer, the fireproof isolation layer and the outer protective layer are arranged, the high-temperature-resistant coating is coated on the outer surface of the outer protective layer, and meanwhile, the flame-retardant layer is arranged outside the cable core, so that falling off can not occur under high-temperature combustion, the temperature inside the cable is low, the cable is not prone to being broken by heat, the torsion-resistant member is arranged outside the cable core unit, and the phenomenon that a plurality of cable core units are intertwined with one another and broken is prevented.

Description

High-temperature-resistant pressure-resistant moisture-proof fireproof cable
Technical Field
The utility model relates to the technical field of cables, in particular to a high-temperature-resistant pressure-resistant moisture-proof fireproof cable.
Background
Currently, the cables on the market are generally composed of several wires or groups of wires, each group of wires being insulated from each other and being formed by cabling machines. Cables are important devices in power transmission processes, and the cables are generally operated under high-voltage environments, with the risk of ignition due to high heat generation, and the risk of fire in external environments, and thus it is necessary to ensure the fire resistance of the cables. In order to solve the problem of fire prevention fire resistance of cable, publication number is CN208548184U, it discloses a stainless steel crowded package aluminium layer outward, which comprises a body, the body includes cable core and sheath, the cable core includes the conductor and winds the covering, every is equipped with four conductors around being equipped with fire-retardant filling rope in the covering, the conductor is equipped with fire-retardant filling rope around being equipped with in the covering, around being equipped with the filling layer between covering and the isolation layer, be equipped with the insulating layer outside the insulating layer, the crowded package has the stainless steel strip outside the insulating layer, the crowded package has the aluminium line layer outside the stainless steel strip, the aluminium line layer is equipped with the buffer layer, be equipped with the waterproof layer outside the buffer layer, be equipped with the oversheatproof particle outside the fire-retardant layer, during the use, fire-retardant intussuseption is filled with the heatproof granule, obtain good fire prevention effect, effectively avoid the emergence of potential safety hazard. However, only be equipped with the oversheath outside the flame retardant coating, the flame retardant coating of cable, oversheath often take place to drop under high temperature burning, and the inside temperature of cable rises very fast, and then leads to cable thermal breakdown easily, simultaneously, is equipped with four conductors in the winding covering, does not have extra torque piece between four conductors to separate four conductors, twines each other easily between four conductors, and then leads to the broken phenomenon of cable core appearance.
Disclosure of Invention
Accordingly, it is necessary to provide a high-temperature-resistant, pressure-resistant, moisture-proof, fire-proof cable which is not easily broken by heat and the cable core is not broken.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a high temperature resistant withstand voltage moisture-proof type fireproof cable, withstand voltage moisture-proof type fireproof cable of high temperature resistant includes a plurality of cable core units, sets up in a plurality of the outside antitorque piece of cable core unit, sets up fire prevention flame retardant coating of the outside of antitorque piece, cladding are in the waterproof layer of the outside of fire prevention flame retardant coating, cladding are in the fire prevention isolation layer of the outside of waterproof layer and cladding are in the outer sheath of the outside of fire prevention isolation layer, the outer sheath is made by polyurethane material, fire prevention isolation layer is formed by ceramic fire prevention tape layer lap-winding package, the surface of outer sheath is scribbled high temperature resistant coating, cable core unit includes cable core, cladding is in the outside of cable core inner insulation layer and cladding are in the fire prevention layer of the outside of inner insulation layer.
Further, the cable core unit further comprises an inner sheath layer, and the inner sheath layer is arranged outside the flame-retardant layer.
Further, a filler is filled between the inner protective layer and the flame-retardant layer, and the filler is made of a high silica fiber material.
Further, the torque element comprises a core bar, a partition plate, an arc plate and a clamping plate which are mutually connected, wherein the core bar is arranged at the center of the cable core units, the partition plate is arranged between the cable core units in a spacing mode, the partition plate is attached to the inner protective layer, the arc plate is arranged outside the cable core units, the arc plate is attached to the inner protective layer, the clamping plate is arranged at the end portion of the arc plate, and a clamping groove matched with the clamping plate is formed in the inner protective layer.
Further, the high-temperature resistant coating is KN1000 high-temperature coating.
Further, the partition plates have a plurality, the number of the partition plates is the same as the number of the core units, and one partition plate corresponds to one core unit.
Further, a buffer cavity is formed between two adjacent arc plates.
Further, an insulating layer, an armor layer and a buffer layer are further arranged between the torsion-resistant member and the fireproof flame-retardant layer, the insulating layer is coated on the outer portion of the torsion-resistant member, the armor layer is coated on the outer portion of the insulating layer, the buffer layer is coated on the outer portion of the armor layer, and the fireproof flame-retardant layer is coated on the outer portion of the buffer layer.
The beneficial effects of the utility model are as follows: according to the high-temperature-resistant pressure-resistant moisture-proof fireproof cable, the fireproof flame-retardant layer, the waterproof layer, the fireproof isolation layer and the outer protective layer are arranged, the high-temperature-resistant coating is coated on the outer surface of the outer protective layer, meanwhile, the flame-retardant layer is arranged outside the cable core, so that falling off can not occur under high-temperature combustion, the temperature inside the cable is low, the cable is not prone to being broken down, in addition, the torsion-resistant member is arranged outside the cable core unit, and therefore the cable core units can be prevented from being intertwined, and the phenomenon of breakage of the cable core is prevented.
Drawings
The utility model is further described below with reference to the drawings and examples.
Fig. 1 is a schematic view of the structure of the high temperature resistant, pressure resistant, moisture resistant, fire resistant cable of the present utility model.
The names and the numbers of the parts in the figure are respectively as follows: 1. a cable core unit; 11. a cable core; 12. an inner insulating layer; 13. a flame retardant layer; 14. an inner protective layer; 140. a clamping groove; 2. a torque element; 21. a core bar; 22. a partition plate; 23. an arc-shaped plate; 230. a buffer chamber; 24. a clamping plate; 3. an insulating layer; 4. an armor layer; 5. a buffer layer; 6. a fireproof flame retardant layer; 7. a waterproof layer; 8. a fire barrier layer; 9. an outer protective layer; 90. and (3) a high-temperature resistant coating.
Detailed Description
The present utility model will now be described in detail with reference to the accompanying drawings. The figure is a simplified schematic diagram illustrating the basic structure of the utility model only by way of illustration, and therefore it shows only the constitution related to the utility model.
Referring to fig. 1, the present utility model provides a high temperature resistant, pressure resistant and moisture resistant fireproof cable, which comprises a cable core unit 1, a torsion member 2, a fireproof flame retardant layer 6, a waterproof layer 7, a fireproof isolation layer 8 and an outer protection layer 9, wherein the cable core unit 1 has a plurality of torsion members 2 arranged outside the cable core unit 1 and separates the cable core units 1, the fireproof flame retardant layer 6 is arranged outside the torsion member 2, the waterproof layer 7 is coated outside the fireproof flame retardant layer 6, the fireproof isolation layer 8 is coated outside the waterproof layer 7, and the outer protection layer 9 is coated outside the fireproof isolation layer 8. In this embodiment, the outer sheath 9 is made of polyurethane material, which has good wear resistance, so that the wear resistance of the cable can be increased; the fireproof isolation layer 8 is formed by stacking and wrapping ceramic fireproof belt layers, and when a fire disaster occurs, the fireproof isolation layer 8 can be sintered into a hard shell, so that the fire can be prevented from spreading into the fireproof isolation layer 8 to a certain extent, and the fire spreading time is effectively prolonged; the waterproof layer 7 is made of polyethylene material, so that the waterproof performance of the cable can be improved, and a certain fireproof performance can be improved; the fireproof flame-retardant layer 6 is formed by overlapping and wrapping halogen-free low-smoke high-flame-retardant layers, and can prevent fire from spreading into the cable core unit 1 while preventing fire.
Further, the outer surface of the outer protective layer 9 is coated with a high temperature resistant coating 90, the high temperature resistant coating 90 is a KN1000 high temperature coating, and the KN1000 high temperature coating is a high temperature resistant and wear resistant polymeric ceramic material obtained by compounding a high performance wear resistant and corrosion resistant material with an inorganic high temperature adhesive, so that the outer protective layer 9 can be protected.
Each cable core unit 1 comprises a cable core 11, an inner insulating layer 12, a flame retardant layer 13 and an inner protective layer 14, wherein the inner insulating layer 12 is coated on the outer part of the cable core 11, the flame retardant layer 13 is coated on the outer part of the inner insulating layer 12, the section of the inner protective layer 14 is in a fan-shaped structure, and the inner protective layer 14 is arranged on the outer part of the flame retardant layer 13. In the present embodiment, the flame retardant layer 13 is made of a glass fiber material, so that when the high-heat ignition phenomenon of the cable core 11 can be prevented, the flame retardant layer 13 can prevent the fire from spreading to the outer layer, and at the same time, can prevent the fire of the outer layer from entering into the cable core 11. Further, a filler (not shown) made of a high silica fiber material is filled between the inner sheath 14 and the flame retardant layer 13, so that the spread of fire to the outside can be further prevented.
The torsion member 2 comprises a core bar 21, a partition plate 22, an arc-shaped plate 23 and a clamping plate 24 which are connected with each other, wherein the core bar 21 is arranged at the central positions of the cable core units 1, the core bar 21 plays a role in centering, the partition plate 22 is arranged between the cable core units 1 in a spacing way, and the partition plate 22 is attached to the inner protection layer 14, so that the cable core units 1 can be separated. The arc 23 sets up in the outside of cable core unit 1, and arc 23 laminating mutually with interior sheath 14, and cardboard 24 sets up the tip at arc 23, has seted up on the interior sheath 14 with cardboard 24 matched with draw-in groove 140. During installation, the cable core unit 1 is placed between the two partition plates 22, and then the clamping plates 24 are clamped into the clamping grooves 140 of the corresponding inner protective layers 14, so that the cable core unit 1 can be prevented from being deformed due to extrusion of the torsion member 2 when the cable is subjected to torsion, and the cable core unit 1 can be further protected.
The partition plates 22 have a plurality, the number of the partition plates 22 is the same as the number of the core units 1, and one partition plate 22 corresponds to one core unit 1. In the present embodiment, the cable core unit 1 and the partition plate 22 each have four.
Further, a buffer cavity 230 is formed between two adjacent arc plates 23, and when the cable is subjected to external pressure, the pressure is resisted and buffered in the buffer cavity 230, so that the cable core 11 can be protected.
Further, insulating layer 3, armor 4 and buffer layer 5 still are provided with between torsion-resistant member 2 and the fire prevention flame retardant coating 6, and insulating layer 3 cladding is in the outside of torsion-resistant member 2, and armor 4 cladding is in the outside of insulating layer 3, and buffer layer 5 cladding is in the outside of armor 4, and fire prevention flame retardant coating 6 cladding is in the outside of buffer layer 5.
According to the high-temperature-resistant pressure-resistant moisture-proof fireproof cable provided by the utility model, the fireproof flame-retardant layer 6, the waterproof layer 7, the fireproof isolation layer 8 and the outer protective layer 9 are arranged, the high-temperature-resistant coating 90 is coated on the outer surface of the outer protective layer 9, and meanwhile, the flame-retardant layer 13 is arranged outside the cable core 11, so that falling off can not occur under high-temperature combustion, the temperature inside the cable is low, the cable is not easy to be broken by heat, and in addition, the torsion member 2 is arranged outside the cable core unit 1, so that the mutual winding among a plurality of cable core units 1 can be prevented, and the breakage phenomenon of the cable core is prevented.
While the foregoing is directed to the preferred embodiment of the present utility model, other and further embodiments of the utility model may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow. The technical scope of the present utility model is not limited to the description, but must be determined according to the scope of claims.

Claims (8)

1. The utility model provides a high temperature resistant withstand voltage moisture-proof type fireproof cable which characterized in that: the high-temperature-resistant pressure-resistant moisture-proof fireproof cable comprises a plurality of cable core units, torsion-resistant pieces arranged on the outer sides of the cable core units, a fireproof flame-retardant layer arranged on the outer sides of the torsion-resistant pieces, a waterproof layer coated on the outer sides of the fireproof flame-retardant layer, a fireproof isolation layer coated on the outer sides of the waterproof layer and an outer protective layer coated on the outer sides of the fireproof isolation layer, wherein the outer protective layer is made of polyurethane materials, the fireproof isolation layer is formed by wrapping a ceramic fireproof belt layer, and a high-temperature-resistant coating is coated on the outer surface of the outer protective layer.
2. The high temperature resistant, pressure resistant, moisture resistant, fire resistant cable of claim 1 wherein: the cable core unit further comprises an inner protection layer, and the inner protection layer is arranged outside the flame-retardant layer.
3. The high temperature resistant, pressure resistant, moisture resistant, fire resistant cable of claim 2 wherein: and a filler is filled between the inner protective layer and the flame-retardant layer, and the filler is made of a high silica fiber material.
4. The high temperature resistant, pressure resistant, moisture resistant, fire resistant cable of claim 2 wherein: the torsion-resistant piece comprises a core bar, a partition plate, an arc plate and a clamping plate which are mutually connected, wherein the core bar is arranged at the center of each cable core unit, the partition plate is arranged between the cable core units, the partition plate is attached to the inner protective layer, the arc plate is arranged outside the cable core units, the arc plate is attached to the inner protective layer, the clamping plate is arranged at the end part of the arc plate, and a clamping groove matched with the clamping plate is formed in the inner protective layer.
5. The high temperature resistant, pressure resistant, moisture resistant, fire resistant cable of claim 1 wherein: the high-temperature resistant coating is KN1000 high-temperature coating.
6. The high temperature resistant, pressure resistant, moisture resistant, fire resistant cable of claim 4 wherein: the number of the separation plates is the same as the number of the cable core units, and one separation plate corresponds to one cable core unit.
7. The high temperature resistant, pressure resistant, moisture resistant, fire resistant cable of claim 4 wherein: a buffer cavity is formed between two adjacent arc plates.
8. The high temperature resistant, pressure resistant, moisture resistant, fire resistant cable of claim 1 wherein: the anti-torsion member is characterized in that an insulating layer, an armor layer and a buffer layer are further arranged between the anti-torsion member and the fireproof flame-retardant layer, the insulating layer is coated on the outer portion of the anti-torsion member, the armor layer is coated on the outer portion of the insulating layer, the buffer layer is coated on the outer portion of the armor layer, and the fireproof flame-retardant layer is coated on the outer portion of the buffer layer.
CN202320986215.XU 2023-04-27 2023-04-27 High-temperature-resistant pressure-resistant moisture-proof fireproof cable Active CN219872943U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320986215.XU CN219872943U (en) 2023-04-27 2023-04-27 High-temperature-resistant pressure-resistant moisture-proof fireproof cable

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320986215.XU CN219872943U (en) 2023-04-27 2023-04-27 High-temperature-resistant pressure-resistant moisture-proof fireproof cable

Publications (1)

Publication Number Publication Date
CN219872943U true CN219872943U (en) 2023-10-20

Family

ID=88340345

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320986215.XU Active CN219872943U (en) 2023-04-27 2023-04-27 High-temperature-resistant pressure-resistant moisture-proof fireproof cable

Country Status (1)

Country Link
CN (1) CN219872943U (en)

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