CN213583224U

CN213583224U - Energy-saving environment-friendly double-insulation flame-retardant cable

Info

Publication number: CN213583224U
Application number: CN202022677940.8U
Authority: CN
Inventors: 叶巨凯; 叶建金
Original assignee: Chongqing Shenghua Cable Group Co ltd
Current assignee: Chongqing Shenghua Cable Group Co ltd
Priority date: 2020-11-18
Filing date: 2020-11-18
Publication date: 2021-06-29
Anticipated expiration: 2030-11-18

Abstract

The utility model relates to the technical field of cables, and an energy-concerving and environment-protective two insulation flame retarded cable is disclosed, including three cable core, it is three the outside of cable core has all wrapped up fire-retardant layer, and is three the outside parcel on fire-retardant layer has radiation protection layer, and is three the outside parcel on radiation protection layer has integrated into one piece's compound waterproofing tape around the covering, compound waterproofing tape has an outer insulating layer around the outside parcel of covering, compound waterproofing tape has fire-retardant filler around the inboard packing of covering, fire-retardant filler is located the outside of cable core. The utility model discloses a, through fire-retardant layer and fire-retardant filler and be difficult to the fire-retardant irradiation crosslinked polyolefin material insulating material of halogen-free of burning can reduce the danger of cable conductor high temperature burning, and relatively environmental protection, and the rope and the compound area of blocking water can prevent the infiltration of water around the covering, can fire-retardant and the protection against tide can slow down the ageing of cable conductor, have strengthened the safety in utilization ability of cable conductor, have prolonged the life of cable conductor.

Description

Energy-saving environment-friendly double-insulation flame-retardant cable

Technical Field

The utility model relates to the technical field of cables, specifically be energy-concerving and environment-protective double-insulated flame retarded cable.

Background

The cable is an electric energy or signal transmission device and generally consists of a plurality of or a plurality of groups of conducting wires, and the cable comprises a power cable, a control cable, a compensation cable, a shielding cable, a high-temperature cable, a computer cable, a signal cable, a coaxial cable, a fire-resistant cable, a marine cable, a mining cable, an aluminum alloy cable and the like.

Along with the improvement of people's safety consciousness, the life and the safe in utilization of cable more and more receive attention, the cable conductor flame retardant efficiency and the damp proof ability are relatively weak not only influence the life of cable conductor, and can influence personal safety, but the cable conductor flame retardant efficiency in market is general, it is rare to have better fire-retardant and moisture resistant cable conductor, it is inconvenient to bring for the user, to above-mentioned problem, technical personnel in the field provide energy-concerving and environment-protective double-insulated flame retarded cable, the utility model discloses, possess and to have better fire-retardant and moisture resistant advantage, the fire-retardant and relatively weak problem of moisture resistant ability of cable conductor has been solved.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides an energy-concerving and environment-protective double-insulated flame retarded cable possesses can have better fire-retardant and advantage such as resistant humidity, has solved the fire-retardant and less than good problem of resistant humidity ability of cable conductor.

(II) technical scheme

In order to realize the above-mentioned better fire-retardant and moisture-resistant purpose that can have, the utility model provides a following technical scheme: energy-concerving and environment-protective double-insulated flame retarded cable, including three cable core, it is three all wrapped up by fire-retardant layer the outside of cable core is three the outside of fire-retardant layer is all wrapped up by the radiation protection layer, and is three the outside parcel of radiation protection layer has integrated into one piece's compound waterproofing tape around the covering, compound waterproofing tape has the outer insulating layer around the outside parcel of covering, compound waterproofing tape has fire-retardant filler around the inboard packing of covering, fire-retardant filler is located the outside of cable core, the outside parcel of outer insulating layer has PP around the area, PP has the armor around the outside parcel of area, the outside parcel of armor has the oversheath.

Preferably, the cable core contains the sinle silk, the sinle silk is formed for many copper wires transposition, the outside parcel of sinle silk has the internal insulation layer, the inside packing of internal insulation layer has the rope that blocks water, fire-retardant layer parcel is in the outside of internal insulation layer.

Preferably, the inner insulating layer and the outer insulating layer are both halogen-free flame-retardant irradiation crosslinked polyolefin layers.

Preferably, the flame-retardant layer is formed by impregnating and bonding polyester fibers with a flame retardant.

Preferably, the flame-retardant filler is a flame-retardant PP rope, and the radiation-proof layer is formed by weaving a plurality of tinned copper wires.

Preferably, the outer portion of the inner insulating layer is coated with a fire retardant coating.

(III) advantageous effects

Compared with the prior art, the utility model provides an energy-concerving and environment-protective double-insulated flame retarded cable possesses following beneficial effect:

1. this energy-concerving and environment-protective pair of insulating flame retarded cable, can make the cable have fine fire-retardant characteristic through cable core outside fire-retardant layer and fire-retardant filler, the insulating layer material of cable also possesses fire-retardant characteristic, the effectual risk that reduces cable burning of the material that is difficult to burn, compound water blocking area adopts the intumescent compound water blocking area of rainwater to wind the covering around the covering, and the cable core inboard also has waterproof measure, can effectually prevent that water from vertically moving in the cable conductor through vertical, prevent in the water infiltration cable core, can make the cable slow down ageing more safety of using, the radiation protection layer makes the cable conductor possess certain anti-interference and radiation protection's ability, PP can avoid the scratch of armor to the external insulating layer around the area, and the armor can strengthen the intensity of cable and improve the anticorrosive ability of cable etc. in order to prolong the life of cable, the utility model discloses, can reduce the cable conductor high temperature burning through fire-retardant layer and fire-retardant filler The danger of, and cable core and compound waterproofing area can prevent the infiltration of water around the covering, can fire-retardant and dampproofing ageing that can slow down the cable conductor, have strengthened the safety in utilization ability of cable conductor, have prolonged the life of cable conductor.

2. This energy-concerving and environment-protective pair of insulating flame retarded cable, through the sinle silk that many copper lines transposition formed, can strengthen the intensity of sinle silk, the rope that blocks water has the danger that prevents water infiltration, and the inner insulation layer is the electric current on the isolated sinle silk.

3. The energy-saving environment-friendly double-insulation flame-retardant cable has the advantages that the cable has good flame-retardant and fire-resistant characteristics while having electrical insulation property through the inner insulation layer and the outer insulation layer of the halogen-free flame-retardant irradiation cross-linked polyolefin material, and the halogen-free flame-retardant irradiation cross-linked polyolefin material is low-smoke and non-toxic even though the halogen-free flame-retardant irradiation cross-linked polyolefin material is momentarily burnt, so that the energy-saving environment-friendly double-insulation.

4. According to the energy-saving environment-friendly double-insulation flame-retardant cable, the polyester fiber treated by the flame retardant has the advantages of good aging resistance, high temperature resistance and long service life, the cable can have the characteristics of good high temperature resistance and the like while the cable core structure is kept, and the flame retardant property of the cable is effectively enhanced.

5. This energy-concerving and environment-protective double-insulated flame retarded cable has characteristics such as high temperature resistant, corrosion-resistant and intensity through fire-retardant PP rope, the effectual flame retardant ability that improves the cable conductor, protection cable core that can be fine, tinned wire can avoid copper line oxidation and make the cable core have better interference killing feature after weaving, and the single cable core outside is add the radiation protection layer and can be made a plurality of cable core mutual noninterferences, has also reduced and has woven the degree of difficulty, avoids the cable conductor too thick difficult work of weaving.

6. This energy-concerving and environment-protective pair of insulating flame retarded cable, fire retardant ability, ageing resistance and the compressive capacity that can effectual reinforcing inner insulating layer through cable fire retardant coating can protect the cable core and prolong the life of cable conductor.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

In the figure: 1. a cable core; 101. a wire core; 102. an inner insulating layer; 103. a water-blocking rope; 2. a flame retardant layer; 3. a radiation protective layer; 4. a flame retardant filler; 5. a composite water-blocking tape wrapping layer; 6. an outer insulating layer; 7. PP wrapping tape; 8. an armor layer; 9. an outer sheath.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-1, the energy-saving and environment-friendly double-insulation flame-retardant cable comprises three cable cores 1, wherein flame-retardant layers 2 are wrapped outside the three cable cores 1, radiation-proof layers 3 are wrapped outside the three flame-retardant layers 2, an integrally formed composite water-blocking tape wrapping layer 5 is wrapped outside the three radiation-proof layers 3, an outer insulating layer 6 is wrapped outside the composite water-blocking tape wrapping layer 5, a flame-retardant filler 4 is filled inside the composite water-blocking tape wrapping layer 5, the flame-retardant filler 4 is positioned outside the cable cores 1, a PP wrapping tape 7 is wrapped outside the outer insulating layer 6, an armor layer 8 is wrapped outside the PP wrapping tape 7, an outer sheath 9 is wrapped outside the armor layer 8, the cable has good flame-retardant property through the flame-retardant layers 2 and the flame-retardant filler 4 outside the cable cores 1, the insulating layer material of the cable also has the flame-retardant property, and the risk of cable burning difficulty is effectively reduced, the composite water-blocking tape wrapping layer 5 is made of a rainwater expansion type composite water-blocking tape wrapping material, the inner side of the cable core 1 is provided with a waterproof measure, water can be effectively prevented from moving in the cable conductor longitudinally, the water is prevented from permeating into the cable core 1, the cable can be used safely after being slowed down and aged, the radiation protection layer 3 enables the cable conductor to have certain anti-interference and radiation protection capabilities, the PP wrapping tape 7 can avoid scratching of the armor layer 8 on the outer insulating layer 6, the armor layer 8 can enhance the strength of the cable and improve the corrosion resistance and other capabilities of the cable so as to prolong the service life of the cable, the utility model can reduce the risk of high-temperature combustion of the cable conductor through the flame-retardant layer 2, the flame-retardant filler 4 and the insulating material which is difficult to combust, the cable core 1 and the composite water-blocking tape wrapping layer 5 can prevent water from permeating, and can retard, the safety in use ability of cable conductor has been strengthened, the life of cable conductor has been prolonged.

Further, cable core 1 contains sinle silk 101, and sinle silk 101 forms for many copper wires transposition, and the outside parcel of sinle silk 101 has inner insulating layer 102, and inner insulating layer 102's inside is filled has the rope 103 that blocks water, and fire-retardant layer 2 wraps up in inner insulating layer 102's outside, through the sinle silk 101 that many copper wires transposition formed, can strengthen sinle silk 101's intensity, and the rope 103 that blocks water has the danger that prevents water infiltration, and inner insulating layer 102 is the electric current on the isolated sinle silk 101.

Furthermore, the inner insulating layer 102 and the outer insulating layer 6 are both halogen-free flame-retardant irradiation cross-linked polyolefin layers, and the inner insulating layer 102 and the outer insulating layer 6 made of the halogen-free flame-retardant irradiation cross-linked polyolefin material can enable the cable to have good flame-retardant and fire-resistant characteristics while having electrical insulation, so that the cable is low-smoke and nontoxic even if the halogen-free flame-retardant irradiation cross-linked polyolefin material is burnt for a short time, and is a good environment-friendly material.

Furthermore, the flame-retardant layer 2 is formed by impregnating and bonding polyester fibers with a flame retardant, the polyester fibers treated by the flame retardant have the advantages of good aging resistance, high temperature resistance and long service life, the cable can have the characteristics of good high temperature resistance and the like while the structure of the cable core 1 is maintained, and the flame retardant property of the cable is effectively enhanced.

Further, fire-retardant filler 4 is fire-retardant PP rope, the layer of protecting against radiation 3 is woven for many tinned wire and forms, there is high temperature resistance through fire-retardant PP rope, characteristics such as corrosion-resistant and intensity height, the effectual flame retardant ability who improves the cable conductor, protection cable core 1 that can be fine, tinned wire can avoid copper line oxidation and make cable core 1 have better interference killing feature after weaving, and single cable core 1 outside is add the layer of protecting against radiation 3 and can make a plurality of cable cores 1 mutual noninterference, the degree of difficulty of weaving has also been reduced, it is difficult for weaving work to avoid the cable conductor to cross thick.

Furthermore, the fire-retardant coating is coated outside the inner insulating layer 102, so that the flame retardant capability, the ageing resistance and the pressure resistance of the inner insulating layer 102 can be effectively enhanced through the cable fire-retardant coating, and the cable core 1 can be protected to prolong the service life of the cable.

The working principle is as follows: the cable has good high temperature resistance and corrosion resistance through the flame-retardant layer 2 outside the cable core 1 and the flame-retardant filler 4, the inner insulating layer 102 and the outer insulating layer 6 of the cable are made of halogen-free flame-retardant irradiation cross-linked polyolefin materials, the cable has good electrical insulation, flame-retardant and fire-resistant properties and the like, the risk of cable combustion is reduced, even if the cable is burnt for a short time, the cable is low-smoke, non-toxic and environment-friendly, the composite water-blocking tape wrapping layer 5 is made of a rainwater expansion type composite water-blocking tape wrapping material, the cable has moisture absorption capacity together with the water-blocking rope 103, water can be effectively prevented from longitudinally moving in the cable, the water is prevented from permeating into the cable core 1, the cable can be used more safely after being aged, the radiation-proof layer 3 is formed by weaving tinned copper wires, the cable can have certain anti-interference and radiation-, and armor 8 can strengthen the intensity of cable and improve the cable the life of ability such as anticorrosive with the extension cable, this utility model, can reduce the danger of cable conductor high temperature burning through fire-retardant layer 2 and fire-retardant filler 4 and the halogen-free fire-retardant irradiation crosslinked polyolefin material insulating material who is difficult to the burning, and relatively environmental protection, and the infiltration that the rope 103 and compound waterproofing area that blocks water can prevent water around covering 5, can be fire-retardant and dampproofing can slow down the ageing of cable conductor, the safety in utilization ability of cable conductor has been strengthened, the life of cable conductor has been prolonged.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Energy-concerving and environment-protective two insulation flame retarded cable, including three cable core (1), its characterized in that: the cable comprises a cable core (1), and is characterized in that a flame-retardant layer (2) is wrapped outside the cable core (1), a radiation-proof layer (3) is wrapped outside the flame-retardant layer (2), the radiation-proof layer (3) is wrapped outside an integrally formed composite water-blocking tape wrapping layer (5), an outer insulating layer (6) is wrapped outside the composite water-blocking tape wrapping layer (5), the inner side of the composite water-blocking tape wrapping layer (5) is filled with a flame-retardant filler (4), the flame-retardant filler (4) is located on the outer side of the cable core (1), the outer wrapping layer of the outer insulating layer (6) is provided with a PP wrapping tape (7), the outer wrapping layer of the PP wrapping tape (7) is provided with an armor layer (8), and the outer wrapping layer of the armor layer (8) is provided with an outer sheath.

2. The energy-saving environment-friendly double-insulation flame-retardant cable according to claim 1, characterized in that: the cable core (1) contains sinle silk (101), sinle silk (101) are formed for many copper wires transposition, the outside parcel of sinle silk (101) has interior insulating layer (102), the inside packing of interior insulating layer (102) has rope (103) that blocks water, fire-retardant layer (2) parcel is in the outside of interior insulating layer (102).

3. The energy-saving environment-friendly double-insulation flame-retardant cable according to claim 2, characterized in that: the inner insulating layer (102) and the outer insulating layer (6) are both halogen-free flame-retardant irradiation crosslinking polyolefin layers.

4. The energy-saving environment-friendly double-insulation flame-retardant cable according to claim 1, characterized in that: the flame-retardant filler (4) is a flame-retardant PP rope, and the radiation-proof layer (3) is formed by weaving a plurality of tinned copper wires.

5. The energy-saving environment-friendly double-insulation flame-retardant cable according to claim 2, characterized in that: the outer part of the inner insulating layer (102) is coated with a fireproof paint.