CN213716550U

CN213716550U - Halogen-free low-smoke flame-retardant nuclear-grade instrument cable

Info

Publication number: CN213716550U
Application number: CN202022769294.8U
Authority: CN
Inventors: 池巍巍
Original assignee: Zhejiang Chnsung Cable Co ltd
Current assignee: Zhejiang Chnsung Cable Co ltd
Priority date: 2020-11-26
Filing date: 2020-11-26
Publication date: 2021-07-16
Anticipated expiration: 2030-11-26

Abstract

The utility model discloses a there is not steamed low fire-retardant nuclear level instrument cable of cigarette, including the cable body, the positive inboard of cable body is equipped with the restrictive coating, and the positive inboard of restrictive coating is equipped with the steel band armor, and the positive inboard of steel band armor is equipped with the band layer, and the positive inboard of band layer is equipped with the steel wire weaving layer, and the positive inboard of steel wire weaving layer is equipped with the filling layer, and the positive inboard of filling layer is equipped with the conductor, and the positive inboard of conductor is equipped with the flame retardant coating, and the inboard central point of cable body. This there is not steamed low fire-retardant nuclear level instrument cable of cigarette, the steel band armor who establishes through the positive inboard of restrictive coating is equipped with first steel band armor and second steel band armor altogether, and second steel band armor surface is provided with the first thorn of colluding in a plurality of embedding waterproof mineral mud layers respectively, the second colludes the thorn, there is certain anti external force performance, the bend radius of armor will be big, the armor can ground connection, the protection cable, can strengthen tensile strength, mechanical protection increase of service life such as compressive strength.

Description

Halogen-free low-smoke flame-retardant nuclear-grade instrument cable

Technical Field

The utility model relates to the technical field of cables, specifically a there is not steamed low fire-retardant nuclear level instrument cable of cigarette.

Background

Wire and cable refers to materials used in power, electrical and related transmission applications. "wires" and "cables" are not strictly defined. Generally, a product having a small number of cores, a small product diameter, and a simple structure is called a wire, a product having no insulation is called a bare wire, and the other products are called cables.

The low-smoke halogen-free electric wire is an insulating layer material halogen substance of the electric wire, does not release halogen-containing gas under the condition of combustion, has low smoke concentration, has the reference standard of JB/T10491-2004 and the models of WDZ-BYJ, WDZ-RYJ and the like, and has the production capacity of mass manufacturers in China.

The existing halogen-free low-smoke flame-retardant nuclear-grade instrument cable is single in internal layer number, perfect in fireproof and waterproof performance, easy to deal with in time in severe environment or emergency, high in accident rate and short in service life.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a there is not steamed low fire-retardant nuclear level instrument cable of cigarette to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a there is not steamed low fire-retardant nuclear level instrument cable of cigarette, includes the cable body, the positive inboard of cable body is equipped with the restrictive coating, the positive inboard of restrictive coating is equipped with the steel band armor, the positive inboard of steel band armor is equipped with the band layer, the positive inboard of band layer is equipped with the steel wire weaving layer, the positive inboard of steel wire weaving layer is equipped with the filling layer, the positive inboard of filling layer is equipped with the conductor, the positive outside of conductor is equipped with the flame retardant coating, the inboard central point of cable body puts and is equipped with the enhancement layer of weaving.

Preferably, the conductors arranged on the inner side of the front surface of the filling layer are provided with 3 conductors which are distributed in the cable body in a triangular shape.

Preferably, the sheath layer arranged on the inner side of the front surface of the cable body consists of a white polyvinyl chloride sheath, an oxygen barrier layer, a waterproof layer and a protective layer.

Preferably, the steel tape armor that the positive inboard of restrictive coating was established is equipped with first steel tape armor and second steel tape armor altogether, and second steel tape armor surface is provided with the first thorn of colluding in a plurality of embedding waterproof mineral mud layers, the second colludes the thorn respectively.

Preferably, the outer surface of the cable body is coated with corrosion-resistant and wear-resistant substances, and the corrosion-resistant and wear-resistant substances are made of polytetrafluoroethylene materials and polyurethane materials.

Preferably, the surface of the fire-resistant layer arranged on the outer side of the front surface of the conductor is filled with aluminum hydroxide particles, and the fire-resistant layer is in direct contact with the woven reinforcing layer arranged at the central position of the inner side of the cable body.

Preferably, the filling layer that the steel wire weaving layer openly inboard was established is filled with low smoke and zero halogen fire-retardant filler strip, and length dimension is unanimous with the length dimension of cable body.

Preferably, the conductor material arranged on the inner side of the front surface of the filling layer is made of tin-plated copper wire material

Compared with the prior art, the beneficial effects of the utility model are that:

(1) this there is not steamed low fire-retardant nuclear level instrument cable of cigarette, the constitution of the restrictive coating that establishes through the positive inboard of cable body is white polyvinyl chloride sheath, separates oxygen layer, waterproof layer and protective layer, can carry out effectual protection to the cable body, prevents that the cable body from receiving external influence, and the problem of catching fire appears, causes certain economic loss and nearby resident's life safety.

(2) This there is not steamed low fire-retardant nuclear level instrument cable of cigarette, the steel band armor who establishes through the positive inboard of restrictive coating is equipped with first steel band armor and second steel band armor altogether, and the second steel band armor surface is provided with the first thorn that colludes in a plurality of embedding waterproof mineral mud layers respectively, the second colludes the thorn, there is certain anti exogenic behavior, can also carry and prevent that the mouse from baiting, be unlikely to see through the armor and cause the power transmission problem, the bend radius of armor will be big, the armor can ground connection, the protection cable, can strengthen tensile strength, mechanical protection increase of service life such as compressive strength.

(3) This there is not steamed low fire-retardant nuclear level instrument cable of cigarette, scribble corrosion-resistant and wear-resisting material through cable body surface, and corrosion-resistant and wear-resisting material's material is made for polytetrafluoroethylene material and polyurethane material, the flame retardant coating surface packing that the conductor openly outside was established has the aluminium hydroxide granule, and the filling layer intussuseption that the positive inboard of steel wire weaving layer was established has the fire-retardant filler strip of low cigarette halogen-free, all can effectively guarantee this cable and move stably, the cable core is firm and intensity is high, the insulating ability is strong and shielding property is superior, be fit for extensively using widely, possess the unable high performance of cable in the past.

Drawings

Fig. 1 is a schematic view of the overall structure of a conductor on the front side of the present invention;

FIG. 2 is a schematic view of the overall structure of the front woven reinforcement layer of the present invention;

fig. 3 is the utility model discloses the cable body overall structure schematic diagram that looks sideways at.

In the figure: the cable comprises a cable body 1, a sheath layer 2, a steel tape armoring layer 3, a belting layer 4, a steel wire braid layer 5, a conductor 6, a flame retardant coating 7, a filling layer 8 and a braided reinforcing layer 9.

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. 1-3, the present invention provides a technical solution: a halogen-free low-smoke flame-retardant nuclear-grade instrument cable comprises a cable body 1, wherein a sheath layer 2 arranged on the inner side of the front surface of the cable body 1 comprises a white polyvinyl chloride sheath, an oxygen-isolating layer, a waterproof layer and a protective layer, the cable body 1 can be effectively protected, the cable body 1 is prevented from being influenced by the outside and the problem of fire catching is caused, certain economic loss and the life safety of nearby residents are caused, the outer surface of the cable body 1 is coated with corrosion-resistant and wear-resistant substances, the corrosion-resistant and wear-resistant substances are made of polytetrafluoroethylene materials and polyurethane materials, the inner side of the front surface of the cable body 1 is provided with the sheath layer 2, the sheath layer 2 arranged on the inner side of the front surface of the cable body 1 comprises the white polyvinyl chloride sheath, the oxygen-isolating layer, the waterproof layer and the protective layer, the inner side of the front surface of the sheath layer 2 is provided with a steel strip armor layer 3, the steel, and the outer surface of the second steel strip armor layer is respectively provided with a plurality of first barbs and second barbs embedded in a waterproof mineral mud layer, the inner side of the front surface of the steel strip armor layer 3 is provided with a belting layer 4, the inner side of the front surface of the belting layer 4 is provided with a steel wire weaving layer 5, the inner side of the front surface of the steel wire weaving layer 5 is provided with a filling layer 8, the filling layer 8 arranged at the inner side of the front surface of the steel wire weaving layer 5 is filled with low-smoke halogen-free flame-retardant filling strips, the length dimension of the filling layer is consistent with the length dimension of the cable body 1, the inner side of the front surface of the filling layer 8 is provided with a conductor 6, the conductor 6 arranged at the inner side of the front surface of the filling layer 8 is made of tinned copper wire material, the conductors 6 arranged at the inner side of the front surface of the filling layer 8 are totally provided with 3 triangular conductors which are distributed in the cable body, the inboard central point of cable body 1 puts and is equipped with and weaves enhancement layer 9, steel band armor 3 established through the positive inboard of restrictive coating 2 is equipped with first steel band armor and second steel band armor altogether, and the second steel band armor surface is provided with the first thorn that colludes in a plurality of embedding waterproof mineral mud layers respectively, the second colludes the thorn, there is certain anti exogenic behavior, can also carry the mouse of preventing and sting, be unlikely to see through the armor and cause the power transmission problem, the bend radius of armor will be big, the armor can ground connection, the protection cable, can strengthen tensile strength, mechanical protection increase of service life such as compressive strength.

When the halogen-free low-smoke flame-retardant nuclear-grade instrument cable is used, the sheath layer 2 arranged on the inner side of the front surface of the cable body 1 consists of a white polyvinyl chloride sheath, an oxygen insulation layer, a waterproof layer and a protective layer, so that the cable body 1 can be effectively protected, and the problem that the cable body 1 is affected by the outside and catches fire is solved, and certain economic loss and the life safety of nearby residents are caused; the steel-tape armor layer 3 arranged on the inner side of the front surface of the sheath layer 2 is provided with a first steel-tape armor layer and a second steel-tape armor layer, the outer surface of the second steel-tape armor layer is respectively provided with a plurality of first hook thorns and second hook thorns embedded in a waterproof mineral mud layer, the cable has certain external force resistance, can prevent rat bite and can prevent the problem of power transmission caused by armor, the bending radius of the armor is large, the armor layer can be grounded, the cable is protected, the tensile strength, the compressive strength and other mechanical protections can be enhanced, and the service life is prolonged; the outer surface of the cable body 1 is coated with corrosion-resistant and wear-resistant substances, and the corrosion-resistant and wear-resistant substances are made of polytetrafluoroethylene materials and polyurethane materials, the surface of a fire-resistant layer 7 arranged on the outer side of the front side of the conductor 6 is filled with aluminum hydroxide particles, and a filling layer 8 arranged on the inner side of the front side of the steel wire braid layer 5 is filled with low-smoke halogen-free flame-retardant filling strips, so that the cable can be effectively guaranteed to be stable in operation, the cable core is firm and high in strength, the insulating capability is high, the shielding performance is superior, the cable is suitable for wide popularization and use.

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. The utility model provides a there is not steamed low fire-retardant nuclear level instrument cable of cigarette, includes cable body (1), cable body (1) openly inboard is equipped with restrictive coating (2), its characterized in that: the cable sheath is characterized in that a steel belt armor layer (3) is arranged on the inner side of the front surface of the sheath layer (2), a belting layer (4) is arranged on the inner side of the front surface of the steel belt armor layer (3), a steel wire weaving layer (5) is arranged on the inner side of the front surface of the belting layer (4), a filling layer (8) is arranged on the inner side of the front surface of the steel wire weaving layer (5), a conductor (6) is arranged on the inner side of the front surface of the filling layer (8), a fire-resistant layer (7) is arranged on the outer side of the front surface of.

2. The halogen-free low-smoke flame-retardant nuclear-grade instrument cable according to claim 1, characterized in that: the conductors (6) arranged on the inner side of the front surface of the filling layer (8) are totally provided with 3 conductors which are distributed in the cable body (1) in a triangular shape.

3. The halogen-free low-smoke flame-retardant nuclear-grade instrument cable according to claim 1, characterized in that: the sheath layer (2) arranged on the inner side of the front surface of the cable body (1) consists of a white polyvinyl chloride sheath, an oxygen isolation layer, a waterproof layer and a protective layer.

4. The halogen-free low-smoke flame-retardant nuclear-grade instrument cable according to claim 1, characterized in that: the steel tape armor layer (3) that sheath layer (2) openly inboard was established are equipped with first steel tape armor layer and second steel tape armor layer altogether, and second steel tape armor layer surface is provided with the first thorn of colluding in a plurality of embedding waterproof mineral mud layers respectively, the second colludes the thorn.

5. The halogen-free low-smoke flame-retardant nuclear-grade instrument cable according to claim 1, characterized in that: the surface of a fire-resistant layer (7) arranged on the outer side of the front surface of the conductor (6) is filled with aluminum hydroxide particles, and the fire-resistant layer is in direct contact with a woven reinforcing layer (9) arranged at the central position of the inner side of the cable body (1).

6. The halogen-free low-smoke flame-retardant nuclear-grade instrument cable according to claim 1, characterized in that: the cable is characterized in that a low-smoke halogen-free flame-retardant filling strip is filled in a filling layer (8) arranged on the inner side of the front surface of the steel wire weaving layer (5), and the length dimension of the filling layer is consistent with that of the cable body (1).

7. The halogen-free low-smoke flame-retardant nuclear-grade instrument cable according to claim 1, characterized in that: the conductor (6) arranged on the inner side of the front surface of the filling layer (8) is made of a tin-plated copper wire material.