CN212934232U

CN212934232U - High-temperature-resistant and fire-resistant copper conductor for control cable

Info

Publication number: CN212934232U
Application number: CN202021872827.9U
Authority: CN
Inventors: 汤优钢; 龚伟铭; 周文娟
Original assignee: Jiangsu Xinhai High Conductivity New Materials Co ltd
Current assignee: Jiangsu Xinhai High Conductivity New Materials Co ltd
Priority date: 2020-09-01
Filing date: 2020-09-01
Publication date: 2021-04-09
Anticipated expiration: 2030-09-01

Abstract

The utility model relates to a copper conductor technical field just discloses a high temperature resistant copper conductor for fire-resistant control cable, including copper conductor, tensile layer and restrictive coating, copper conductor's the outside is equipped with the mica flame retardant coating, the outside of mica flame retardant coating is equipped with the insulating layer, the copper conductor inner wall is equipped with the tensile layer, restrictive coating and tensile layer set up with the axle center, the restrictive coating inboard is equipped with high temperature yarn weaving layer, high temperature yarn weaving layer inboard is equipped with the fire-resistant oxygen band that separates of pottery silicon rubber, pottery silicon rubber is fire-resistant to separate and is equipped with the filling layer between oxygen band and the copper conductor. The copper conductor for the high-temperature-resistant and fire-resistant control cable has the advantages of simple structure, light weight, high flexibility, convenience in construction and operation, excellent high-temperature resistance, high deformation resistance, low smoke, no halogen, no toxicity, flame retardance, safety, environmental friendliness, wide application range and the like.

Description

High-temperature-resistant and fire-resistant copper conductor for control cable

Technical Field

The utility model relates to a copper conductor technical field specifically is a high temperature resistant copper conductor for fire-resistant control cable.

Background

The control cable has different use occasions and different use characteristics and requirements on the control cable. In particular, in large-scale construction engineering, underground railways, power plants, nuclear power plants and other occasions with strict requirements on the use of cables, the cables are required to have good flame retardant, fire resistant and other performances.

Through the retrieval, application No. 201320047521.3's patent document discloses that fluoroplastics insulating polybutylece nitrile compound sheath is high temperature resistant control cable, the utility model relates to a fluoroplastics insulating polybutylece nitrile compound sheath is high temperature resistant control cable, insulating layer and outer jacket outside conductor, the insulating layer adopt and gather the fluorinated ethylene propylene insulating layer, the outer jacket adopts the butyronitrile compound sheath, this insulating layer adopts crowded package formula insulation system, this outer jacket adopts crowded package formula sheath structure, insulating layer and outer jacket between be the cable core transposition layer, it mainly solves the general temperature resistant grade 70 ℃ of current ordinary rubber cable, the technical problem that its temperature resistance can not satisfy needs, the utility model discloses cable temperature resistant grade can reach more than 200 ℃, and the tensile strength of insulating layer is higher than ordinary rubber product, the sheath also has characteristics such as compliance is good, resistant oil.

The patent documents mainly solve the technical problem that the temperature resistance of the conventional common rubber cable is generally 70 ℃, but the temperature resistance of the conventional common rubber cable can reach more than 200 ℃, but the conductor in the cable is difficult to avoid high temperature and fire, so that the cable can generate problems, and harmful gas and dense smoke are generated due to combustion, so that the copper conductor for the high-temperature-resistant and fire-resistant control cable is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a high temperature resistant copper conductor for fire-resistant control cable possesses high temperature resistance can excellence, anti deformability is high, low cigarette, does not have halogen, nontoxic, fire-retardant, advantages such as product safety ring protects, has solved the inside conductor of cable and has inevitable meet high temperature and meet fire, and at this moment the cable will produce the problem to because the problem of burning can produce harmful gas and dense cigarette.

(II) technical scheme

In order to realize that above-mentioned high temperature resistant performance is excellent, the anti deformability is high, low cigarette, no halogen, nontoxic, fire-retardant, the purpose of product safety ring guarantor, the utility model provides a following technical scheme: the utility model provides a high temperature resistant fire-resistant copper conductor for control cable, includes copper conductor, tensile layer and restrictive coating, the outside of copper conductor is equipped with the mica flame retardant coating, mica flame retardant coating and copper conductor fixed connection, the outside of mica flame retardant coating is equipped with the insulating layer, insulating layer and mica flame retardant coating fixed connection, the copper conductor is enclosed and is equipped with the tensile layer, tensile layer and insulating layer fixed connection, restrictive coating and tensile layer coaxial center set up, the restrictive coating inboard is equipped with the high temperature yarn weaving layer, high temperature yarn weaving layer inboard is equipped with the fire-resistant oxygen band that separates of pottery silicon rubber, pottery silicon rubber is fire-resistant to separate and is equipped with the filling layer between oxygen band and the copper conductor.

Preferably, the number of the copper conductors is 3, the copper conductors are uniformly distributed on the outer side of the tensile layer, and the tensile layer is formed by twisting a plurality of strands of steel wires.

Preferably, the copper conductor is formed by drawing TY 3mm oxygen-free copper rod with the resistivity less than or equal to 0.01740.

Preferably, the filling layer is a halogen-free low-smoke filling layer.

Preferably, the sheath layer is a halogen-free low-smoke high-temperature-resistant sheath.

Preferably, the insulating layer is a halogen-free low-smoke high-temperature-resistant flame-retardant insulating layer.

(III) advantageous effects

Compared with the prior art, the utility model provides a high temperature resistant fire-resistant copper conductor for control cable possesses following beneficial effect:

1. this copper conductor for high temperature resistant fire-resistant control cable, through novel fire-resistant insulation layer structure, wherein high silica sand layer is the one deck that the fire rating is the highest, and the fire rating can reach more than 1000 ℃ to filling layer, insulating layer and restrictive coating all adopt low cigarette, no halogen material, thereby make the utility model discloses better feature of environmental protection has.

2. This high temperature resistant fire-resistant copper conductor for control cable through the setting of tensile layer, has good bending resistance flexibility, and bending property is good, has good fire-retardant, resistant oily, wear-resisting, weather resistance, makes cable safety and stability's operation, and the addition of steel core can prevent cable conductor fracture, increases cable life, practices thrift financial resources, material resources and manpower, has great development prospect and market potential.

The utility model has the advantages of simple structure, light in weight, the compliance is high, construction convenient operation, and high temperature resistant performance is excellent, and anti deformability is high, and low cigarette, halogen-free, nontoxic, fire-retardant, product safety ring protects, application scope is wide.

Drawings

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

In the figure: 1 copper conductor, 2 mica flame retardant coating, 3 insulating layers, 4 tensile layers, 5 restrictive coating layers, 6 high-temperature yarn braided layers, 7 ceramic silicon rubber fire-resistant oxygen-isolating belts and 8 filling layers.

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, the copper conductor for the high-temperature-resistant and fire-resistant control cable comprises a copper conductor 1, a tensile layer 4 and a sheath layer 5, wherein a mica fireproof layer 2 is arranged on the outer side of the copper conductor 1, the mica fireproof layer 2 is fixedly connected with the copper conductor 1, an insulating layer 3 is arranged on the outer side of the mica fireproof layer 2, the insulating layer 3 is fixedly connected with the mica fireproof layer 2, the tensile layer 4 is arranged on the inner periphery of the copper conductor 1, the tensile layer 4 is fixedly connected with the insulating layer 3, the sheath layer 5 and the tensile layer 4 are coaxially arranged, a high-temperature yarn weaving layer 6 is arranged on the inner side of the sheath layer 5, a ceramic silicon rubber fire-resistant oxygen-isolating band 7 is arranged on the inner side of the high-temperature yarn weaving layer 6, and a filling layer 8 is arranged between the ceramic silicon rubber fire-.

The utility model discloses in, the quantity of copper conductor 1 is 3, and evenly distributed is in the 4 outsides of tensile layer, and tensile layer 4 is twisted and forms by stranded steel wire.

The utility model discloses in, copper conductor 1 adopts the resistivity to be less than or equal to 0.01740 TY 3mm oxygen-free copper pole drawing to form.

The utility model discloses in, the filling layer 8 is for there being not steamed low cigarette filling layer.

The utility model discloses in, restrictive coating 5 is for there being not steamed low high temperature resistant sheath of cigarette.

The utility model discloses in, insulating layer 3 is the fire-retardant insulating layer of steamed low cigarette high temperature resistant.

To sum up, this copper conductor for high temperature resistant fire-resistant control cable, through novel fire-resistant insulation layer structure, wherein high silica sand layer is the one deck that the fire rating is the highest, and the fire rating can reach more than 1000 ℃ to filling layer 8, insulating layer 3 all adopt low cigarette, no halogen material with restrictive coating 5, thereby make the utility model discloses better feature of environmental protection has.

And, through the setting of tensile layer 4, have good bending resistance flexibility, bending property is good, has good fire-retardant, resistant oily, wear-resisting, weatherability, makes cable safe and stable's operation, and the addition of steel core can prevent cable conductor fracture, increases cable life, practices thrift financial resources, material resources and manpower, has great development prospect and market potential.

It is to be noted that 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. The utility model provides a high temperature resistant fire-resistant copper conductor for control cable, includes copper conductor (1), tensile layer (4) and restrictive coating (5), its characterized in that: the outside of copper conductor (1) is equipped with mica flame retardant coating (2), mica flame retardant coating (2) and copper conductor (1) fixed connection, the outside of mica flame retardant coating (2) is equipped with insulating layer (3), insulating layer (3) and mica flame retardant coating (2) fixed connection, copper conductor (1) inner wall is equipped with tensile layer (4), tensile layer (4) and insulating layer (3) fixed connection, restrictive coating (5) set up with the axle center with tensile layer (4), restrictive coating (5) inboard is equipped with high temperature yarn weaving layer (6), high temperature yarn weaving layer (6) inboard is equipped with the fire-resistant oxygen band (7) that separates of pottery silicon rubber, the fire-resistant oxygen band (7) that separates of pottery silicon rubber is equipped with filling layer (8) between copper conductor (1).

2. The copper conductor for high temperature and fire resistant control cable of claim 1, wherein: the number of the copper conductors (1) is 3, the copper conductors are uniformly distributed on the outer side of the tensile layer (4), and the tensile layer (4) is formed by twisting a plurality of strands of steel wires.

3. The copper conductor for high temperature and fire resistant control cable of claim 1, wherein: the copper conductor (1) is formed by drawing a TY 3mm oxygen-free copper rod with the resistivity less than or equal to 0.01740.

4. The copper conductor for high temperature and fire resistant control cable of claim 1, wherein: and the filling layer (8) is a halogen-free low-smoke filling layer.

5. The copper conductor for high temperature and fire resistant control cable of claim 1, wherein: the sheath layer (5) is a halogen-free low-smoke high-temperature-resistant sheath.

6. The copper conductor for high temperature and fire resistant control cable of claim 1, wherein: the insulating layer (3) is a halogen-free low-smoke high-temperature-resistant flame-retardant insulating layer.