CN211957207U - Mineral substance fireproof cable - Google Patents

Mineral substance fireproof cable Download PDF

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Publication number
CN211957207U
CN211957207U CN202020740027.5U CN202020740027U CN211957207U CN 211957207 U CN211957207 U CN 211957207U CN 202020740027 U CN202020740027 U CN 202020740027U CN 211957207 U CN211957207 U CN 211957207U
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CN
China
Prior art keywords
layer
wire
cable
fire
mineral
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Expired - Fee Related
Application number
CN202020740027.5U
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Chinese (zh)
Inventor
曹兴
曹永学
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sichuan Xinchao Cable Co ltd
Original Assignee
Sichuan Xinchao Cable Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
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Application filed by Sichuan Xinchao Cable Co ltd filed Critical Sichuan Xinchao Cable Co ltd
Priority to CN202020740027.5U priority Critical patent/CN211957207U/en
Application granted granted Critical
Publication of CN211957207U publication Critical patent/CN211957207U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a mineral substance fireproof cable, including protection subassembly and a plurality of transmission assembly of setting inside the protection subassembly, the transmission subassembly is including the wire that is used for carrying the electric energy, and a plurality of wires constitute the wire group, and the wire group sets up in the band layer, and the outside on band layer is provided with the insulating layer, and the outside of insulating layer is provided with the shielding layer, and the outside of shielding layer is provided with the flame retardant coating, is provided with the mineral substance filling layer between flame retardant coating and the protection subassembly. Be provided with four groups of wire groups in this cable, set up again in every group wire group and many with the wire, when the cable meets the fire, can not appear totally breaking immediately like this, effectual extension power supply time, zero line and live wire power supply can be divided out to a cable, also can all use as the live wire, can also carry three-phase electricity. Be provided with the flame retardant coating in every group wire group, the outside still is provided with oxygen barrier layer and high flame retardant protective layer, these all can effectually prevent that the cable from burning off because of the fire.

Description

Mineral substance fireproof cable
Technical Field
The utility model relates to a cable conductor field, in particular to mineral substance fireproof cable.
Background
Along with the development of the society, the power consumption is continuously increased, the use amount of the cable is also continuously increased, meanwhile, various performance requirements of the cable are gradually improved, and the cable with better fireproof performance is the basic performance requirement of the cable.
The fireproof cable is a fireproof cable which is widely applied at the present stage, wherein the mineral fireproof cable is a flame-retardant low-smoke halogen-free cable which is most widely used, and the mineral fireproof cable is composed of a copper stranded wire, a mineral compound insulation layer and a mineral compound sheath and has the characteristics of fire resistance, large current-carrying capacity, impact voltage resistance, mechanical damage resistance, no halogen, no toxicity, explosion prevention, water prevention, corrosion resistance, long service life, safety, overload resistance, high temperature resistance, low cost and the like.
At present, the cable conductor material that is generally adopted in China is copper or aluminum alloy, if the cable fire behavior is not too much, the conductor is in high temperature baking or with flame direct contact for a long time, then will make electric conductivity nature and the mechanical properties of conductor decline sharply, seriously influence the life of cable, the potential safety hazard appears even.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide a mineral substance fireproof cable.
The purpose of the utility model is realized through the following technical scheme:
the utility model provides a mineral substance fireproof cable, is in including protection subassembly and setting a plurality of transmission assembly inside the protection subassembly, the transmission subassembly is including the wire that is used for carrying the electric energy, and is a plurality of wire group is constituteed to the wire, wire group sets up in the band layer, the outside on band layer is provided with the insulating layer, the outside of insulating layer is provided with the shielding layer, the outside on shielding layer is provided with the flame retardant coating, the flame retardant coating with be provided with the mineral substance filling layer between the protection subassembly.
Further, the protection subassembly include with the high fire-retardant protective layer of mineral substance gasket layer contact, the high fire-retardant protective layer outside is provided with separates the oxygen layer, the outside that separates the oxygen layer is provided with the armor, the outside of armor is provided with the restrictive coating.
Further, the fire-resistant layer is formed by overlapping and wrapping a low-smoke halogen-free flame-retardant ceramic fire-resistant composite belt.
Further, the shielding layer is a copper strip shielding layer.
Further, the insulating layer is formed by polyethylene insulating extrusion.
Further, the armor layer is a stainless steel interlocking armor layer.
Further, the high flame-retardant protective layer is made of aluminum hydroxide which is a halogen-free flame-retardant material.
Further, the wire group is provided with four groups.
The utility model has the advantages that:
be provided with four groups of wire groups in this cable, set up again in every group wire group and many with the wire, when the cable meets the fire, can not appear totally breaking immediately like this, effectual extension power supply time, zero line and live wire power supply can be divided out to a cable, also can all use as the live wire, can also carry three-phase electricity. Be provided with the flame retardant coating in every group wire group, the outside still is provided with oxygen barrier layer and high flame retardant protective layer, these all can effectually prevent that the cable from burning off because of the fire.
Drawings
FIG. 1 is a schematic cross-sectional structure of a mineral fire-resistant cable;
in the figure, 1-wire, 2-belting layer, 3-insulating layer, 4-shielding layer, 5-fire-resistant layer, 6-mineral filling layer, 7-high fire-retardant protective layer, 8-oxygen-isolating layer, 9-armor layer and 10-sheath layer.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1, the utility model provides a technical scheme:
the utility model provides a mineral substance fireproof cable, includes protection assembly and sets up at the inside a plurality of transmission assembly of protection assembly, and transmission assembly is including being used for carrying wire 1 of electric energy, and a plurality of wires 1 constitute wire group, and wire group sets up in band layer 2, and the outside of band layer 2 is provided with insulating layer 3, and the outside of insulating layer 3 is provided with shielding layer 4, and shielding layer 4's the outside is provided with flame retardant coating 5, is provided with mineral substance filling layer 6 between flame retardant coating 5 and the protection assembly. The protection component comprises a high-flame-retardant protective layer 7 in contact with the mineral filling layer 6, an oxygen-isolating layer 8 is arranged on the outer side of the high-flame-retardant protective layer 7, an armor layer 9 is arranged on the outer side of the oxygen-isolating layer 8, and a sheath layer 10 is arranged on the outer side of the armor layer 9.
In some embodiments, the fire-resistant layer 5 is formed by overlapping wrapping a low-smoke halogen-free flame-retardant ceramic fire-resistant composite tape.
In some embodiments, the shield layer 4 is a copper tape shield layer. The copper has good conductivity and can effectively solve the influence of external electric signals as a shielding layer.
In some embodiments, the insulating layer 3 is comprised of a polyethylene insulating extrusion. The polyethylene has the advantages of abundant raw materials, good insulating property and preference.
In some embodiments, armor 9 is a stainless steel interlocking armor. The armor layer 9 can better enable the cable to transmit electric energy for a long distance.
In some embodiments, the high flame retardant protective layer 7 is aluminum hydroxide which is a halogen-free flame retardant material. The self-production cost of the aluminum hydroxide is low, and the aluminum hydroxide is easy to obtain.
In some embodiments, the oxygen isolation layer 8 is composed of 100-110 parts of EVA, 30-40 parts of magnesium hydroxide, 2-4 parts of nano glass powder, 5-10 parts of mica powder, 40-50 parts of quartz powder, 4-6 parts of silicone oil, 30-50 parts of vitrified powder and 2-4 parts of platinum catalyst.
In some embodiments, the wire sets are provided in four groups. The power transmission of one cable is convenient, and the same type of power can be conveniently transmitted. If one type of electricity is delivered, even if three sets of wire sets are blown in a fire, the remaining set of wire sets can also be powered.
In some embodiments, the sheath layer 10 is formed by wrapping a halogen-free low-smoke polymer material outside the chain armor metal sheath.
Be provided with four groups of wire groups in this cable, set up again in every group wire group and many with wire 1, when the cable meets the fire, can not appear totally breaking immediately like this, effectual extension power supply time, zero line and live wire power supply can be divided out to a cable, also can all use as the live wire, can also carry three-phase electricity. Be provided with flame retardant coating 5 in every group wire group, the outside still is provided with oxygen barrier 8 and high flame retardant protective layer 7, and these all can effectually prevent that the cable from blowing because of the fire.
The foregoing is illustrative of the preferred embodiments of the present invention, and it is to be understood that the invention is not limited to the precise forms disclosed herein, and that various other combinations, modifications, and environments may be resorted to, falling within the scope of the invention as defined by the appended claims. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.

Claims (8)

1. A mineral substance fireproof cable which is characterized in that: be in including protection subassembly and setting a plurality of transmission subassemblies inside the protection subassembly, the transmission subassembly is including wire (1) that are used for carrying the electric energy, and is a plurality of wire group is constituteed in wire (1), wire group sets up in band layer (2), the outside of band layer (2) is provided with insulating layer (3), the outside of insulating layer (3) is provided with shielding layer (4), the outside of shielding layer (4) is provided with flame retardant coating (5), flame retardant coating (5) with be provided with mineral substance filling layer (6) between the protection subassembly.
2. The mineral fire-resistant cable of claim 1, wherein: the protection component comprises a high-flame-retardant protective layer (7) in contact with the mineral filling layer (6), an oxygen separation layer (8) is arranged on the outer side of the high-flame-retardant protective layer (7), an armor layer (9) is arranged on the outer side of the oxygen separation layer (8), and a sheath layer (10) is arranged on the outer side of the armor layer (9).
3. The mineral fire-resistant cable of claim 2, wherein: the fire-resistant layer (5) is formed by lapping and covering a low-smoke halogen-free flame-retardant ceramic fire-resistant composite belt.
4. The mineral fire-resistant cable of claim 1, wherein: the shielding layer (4) is a copper strip shielding layer.
5. The mineral fire-resistant cable of claim 1, wherein: the insulating layer (3) is formed by polyethylene insulating extrusion.
6. The mineral fire-resistant cable of claim 2, wherein: the armor layer (9) is a stainless steel interlocking armor layer.
7. The mineral fire-resistant cable of claim 2, wherein: the high flame-retardant protective layer (7) is made of aluminum hydroxide which is a halogen-free flame-retardant material.
8. The mineral fire-resistant cable of claim 1, wherein: four groups of lead groups are arranged.
CN202020740027.5U 2020-05-08 2020-05-08 Mineral substance fireproof cable Expired - Fee Related CN211957207U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020740027.5U CN211957207U (en) 2020-05-08 2020-05-08 Mineral substance fireproof cable

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020740027.5U CN211957207U (en) 2020-05-08 2020-05-08 Mineral substance fireproof cable

Publications (1)

Publication Number Publication Date
CN211957207U true CN211957207U (en) 2020-11-17

Family

ID=73163262

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020740027.5U Expired - Fee Related CN211957207U (en) 2020-05-08 2020-05-08 Mineral substance fireproof cable

Country Status (1)

Country Link
CN (1) CN211957207U (en)

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CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20201117