CN213815597U

CN213815597U - Copper conductor and polyvinyl chloride insulating sheath control cable with same

Info

Publication number: CN213815597U
Application number: CN202120102275.1U
Authority: CN
Inventors: 汤优钢; 林家弘; 边东洋
Original assignee: Jiangsu Xinhai High Conductivity New Materials Co ltd
Current assignee: Jiangsu Xinhai High Conductivity New Materials Co ltd
Priority date: 2021-01-13
Filing date: 2021-01-13
Publication date: 2021-07-27
Anticipated expiration: 2031-01-13

Abstract

The utility model relates to a copper conductor technical field just discloses a copper conductor and have polyvinyl chloride insulating sheath control cable of copper conductor, including the copper conductor, the periphery of copper conductor is equipped with the zinc-plated jacket layer, the inner wall of copper conductor is equipped with the tensile layer, the copper conductor outside is equipped with the insulating layer, the outside of insulating layer is equipped with the shielding layer, still be equipped with the silica filling layer between the outside of copper conductor and the inside on zinc-plated jacket layer. This copper conductor and have copper conductor's polyvinyl chloride insulating sheath control cable, through setting up the tensile layer, the tensile layer is twisted by stranded steel wire and forms, and the tensile layer of stranded steel wire hank sum can improve tensile ability, and the tensile layer undertakes main pulling force, connects the weaving layer at the inside laminating of restrictive coating, and the accessible weaving layer carries out the tensile of restrictive coating, carries out the secondary tensile, through the tensile setting of multilayer, can improve the whole tensile property of device, and the tensile is effectual.

Description

Copper conductor and polyvinyl chloride insulating sheath control cable with same

Technical Field

The utility model relates to a copper conductor technical field specifically is a copper conductor and have copper conductor's polyvinyl chloride insulating sheath control cable.

Background

The control cable is a polyvinyl chloride insulation and polyvinyl chloride sheath control cable which is suitable for industrial and mining enterprises, energy traffic departments and occasions of controlling and protecting circuits with the alternating current rated voltage of below 450/750 volts, has the characteristics of moisture resistance, corrosion resistance, damage resistance and the like, and can be laid in tunnels or cable ducts.

The common control cable adopts common ethylene propylene rubber insulation and a common rubber sheath, has low tensile strength and poor waterproof performance, is easy to damage hard objects, has low insulation resistance and poor mechanical performance and aging performance, ensures short service life of the cable and is easy to break, and therefore provides a copper conductor and a polyvinyl chloride insulation sheath control cable with the copper conductor to solve 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 copper conductor and have copper conductor's polyvinyl chloride insulating sheath control cable possesses advantages such as tensile strength is good, fire resistance strength height, and it is poor to have solved ordinary EPR rubber insulation resistance low, mechanical properties, ageing resistance for the life of cable is short, appears cracked problem easily.

(II) technical scheme

For the purpose that realizes that above-mentioned tensile property is good, fire resistance is high, the utility model provides a following technical scheme: the utility model provides a copper conductor and have polyvinyl chloride insulating sheath control cable of copper conductor, includes the copper conductor, the periphery of copper conductor is equipped with the zinc-plated jacket layer, the inner periphery of copper conductor is equipped with the tensile layer, tensile layer and zinc-plated jacket layer set up for coaxial, the copper conductor outside is equipped with the insulating layer, insulating layer and copper conductor fixed connection, the insulating layer material is the chloroprene rubber component, the outside of insulating layer is equipped with the shielding layer, shielding layer and insulating layer fixed connection, still be equipped with the silica filling layer between the outside of copper conductor and the inside on zinc-plated jacket layer.

Preferably, the number of the copper conductors is five, 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 a TR oxygen-free copper rod with the resistivity less than or equal to 0.017241, and the wire diameter range is 0.09-2.78 mm.

The utility model provides a polyvinyl chloride insulating sheath control cable with copper conductor, includes foretell copper conductor and restrictive coating, the inboard of restrictive coating is equipped with the weaving layer, weaving layer and restrictive coating fixed connection, the weaving layer inboard is equipped with fire-retardant flame retardant coating, weaving layer and fire-retardant flame retardant coating fixed connection, fire-retardant flame retardant coating inboard is equipped with the galvanizing coat, galvanizing coat and fire-retardant flame retardant coating fixed connection, be equipped with copper conductor and tensile layer in the galvanizing coat.

Preferably, the woven layer is a steel tape armor woven layer.

Preferably, the flame-retardant and flame-retardant layer is a flame-retardant and flame-retardant ethylene propylene rubber insulating layer.

(III) advantageous effects

Compared with the prior art, the utility model provides a copper conductor and have polyvinyl chloride insulating sheath control cable of copper conductor possesses following beneficial effect:

1. this copper conductor and have copper conductor's polyvinyl chloride insulating sheath control cable, through setting up the tensile layer, the tensile layer is twisted by stranded steel wire and forms, and the tensile layer of stranded steel wire hank sum can improve tensile ability, and the tensile layer undertakes main pulling force, connects the weaving layer at the inside laminating of restrictive coating, and the accessible weaving layer carries out the tensile of restrictive coating, carries out the secondary tensile, through the tensile setting of multilayer, can improve the whole tensile property of device, and the tensile is effectual.

2. This copper conductor and have copper conductor's polyvinyl chloride insulating sheath control cable, through the setting of fire-retardant flame retardant coating, weaving layer, restrictive coating, can promote the high insulating, the performance of fire prevention of control cable greatly.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is a schematic structural view of a copper conductor according to the present invention;

fig. 4 is an enlarged schematic view of the structure at a position a of the present invention.

In the figure: 1 copper conductor, 2 insulating layers, 3 shielding layers, 4 galvanizing coat layers, 5 flame-retardant fire-resistant layers, 6 braided layers, 7 sheathing layers, 8 tensile layers and 9 silicon dioxide 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.

The first embodiment is as follows:

referring to fig. 4, a copper conductor and a polyvinyl chloride insulating sheath control cable with the copper conductor include a copper conductor 1, a galvanized jacket layer 4 is disposed on the periphery of the copper conductor 1, a tensile layer 8 is disposed on the inner periphery of the copper conductor 1, the tensile layer 8 and the galvanized jacket layer 4 are coaxially disposed, an insulating layer 2 is disposed on the outer side of the copper conductor 1, the insulating layer 2 is fixedly connected with the copper conductor 1, the insulating layer 2 is made of a chloroprene rubber member, a shielding layer 3 is disposed on the outer side of the insulating layer 2, the shielding layer 3 is fixedly connected with the insulating layer 2, and a silicon dioxide filling layer 9 is further disposed between the outer portion of the copper conductor 1 and the inner portion of the galvanized jacket layer 4.

Specifically, the number of the copper conductors 1 is five, and the copper conductors are uniformly distributed outside the tensile layer 8, and the tensile layer 8 is formed by twisting a plurality of strands of steel wires.

Specifically, the copper conductor 1 is formed by drawing a TR oxygen-free copper rod with the resistivity less than or equal to 0.017241, and the wire diameter range is 0.09-2.78 mm.

Through the above technical scheme of the utility model, through setting up tensile layer 8, tensile layer 8 is twisted by stranded steel wire and forms, and tensile layer 8 that stranded steel wire twisted and can improve tensile ability, and tensile layer 8 undertakes main pulling force, connects weaving layer 6 at the inside laminating of restrictive coating 7, and accessible weaving layer 6 carries out restrictive coating 7's tensile, carries out the secondary tensile, through the setting of multi-storied tensile, can improve the whole tensile strength of device, and the tensile is effectual.

Example two:

referring to fig. 1-3, a polyvinyl chloride insulating sheath control cable with a copper conductor comprises the copper conductor 1 and a sheath layer 7, wherein a woven layer 6 is arranged on the inner side of the sheath layer 7, the woven layer 6 is fixedly connected with the sheath layer 7, a flame-retardant fire-resistant layer 5 is arranged on the inner side of the woven layer 6, the woven layer 6 is fixedly connected with the flame-retardant fire-resistant layer 5, a galvanized jacket layer 4 is arranged on the inner side of the flame-retardant fire-resistant layer 5, the galvanized jacket layer 4 is fixedly connected with the flame-retardant fire-resistant layer 5, and the copper conductor 1 and a tensile layer 8 are arranged in the galvanized jacket layer 4.

Specifically, the woven layer 6 is a steel tape armored woven layer.

Specifically, the flame-retardant fire-resistant layer 5 is a flame-retardant fire-resistant ethylene propylene rubber insulating layer.

To sum up, this copper conductor and have copper conductor's polyvinyl chloride insulating sheath control cable, through setting up tensile layer 8, tensile layer 8 is twisted by the stranded steel wire and forms, and the tensile layer 8 of stranded steel wire hank sum can improve tensile ability, and tensile layer 8 undertakes main pulling force, connects weaving layer 6 at the inside laminating of restrictive coating 7, and accessible weaving layer 6 carries out restrictive coating 7's tensile, carries out the secondary tensile, through the tensile setting of multilayer, can improve the whole tensile property of device, and tensile effect is good.

Moreover, the high insulation and fire prevention performance of the control cable can be greatly improved through the arrangement of the flame-retardant fire-resistant layer 5, the woven layer 6 and the sheath layer 7.

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 copper conductor and have polyvinyl chloride insulating sheath control cable of copper conductor, includes copper conductor (1), its characterized in that: the periphery of copper conductor (1) is equipped with zinc-plated jacket layer (4), the internal periphery of copper conductor (1) is equipped with tensile layer (8), tensile layer (8) and zinc-plated jacket layer (4) set up for with the axle center, the copper conductor (1) outside is equipped with insulating layer (2), insulating layer (2) and copper conductor (1) fixed connection, insulating layer (2) material is the chloroprene rubber component, the outside of insulating layer (2) is equipped with shielding layer (3), shielding layer (3) and insulating layer (2) fixed connection, still be equipped with silicon dioxide filling layer (9) between the outside of copper conductor (1) and the inside of zinc-plated jacket layer (4).

2. The copper conductor and the polyvinyl chloride insulating sheath control cable with the copper conductor according to claim 1, wherein: the number of the copper conductors (1) is five, the copper conductors are uniformly distributed on the outer side of the tensile layer (8), and the tensile layer (8) is formed by twisting a plurality of strands of steel wires.

3. The copper conductor and the polyvinyl chloride insulating sheath control cable with the copper conductor according to claim 1, wherein: the copper conductor (1) is formed by drawing a TR oxygen-free copper rod with the resistivity less than or equal to 0.017241, and the wire diameter range is 0.09-2.78 mm.

4. The utility model provides a polyvinyl chloride insulating sheath control cable with copper conductor which characterized in that: including copper conductor (1) and restrictive coating (7) of any of claims 1-3, the inboard of restrictive coating (7) is equipped with weaving layer (6), weaving layer (6) and restrictive coating (7) fixed connection, weaving layer (6) inboard is equipped with fire-retardant flame retardant coating (5), weaving layer (6) and fire-retardant flame retardant coating (5) fixed connection, fire-retardant flame retardant coating (5) inboard is equipped with galvanizing jacket layer (4), galvanizing jacket layer (4) and fire-retardant flame retardant coating (5) fixed connection, be equipped with copper conductor (1) and tensile layer (8) in galvanizing jacket layer (4).

5. The polyvinyl chloride insulated sheath control cable with copper conductor of claim 4, wherein: the braided layer (6) is a steel tape armor braided layer.

6. The polyvinyl chloride insulated sheath control cable with copper conductor of claim 4, wherein: the flame-retardant fire-resistant layer (5) is a flame-retardant fire-resistant ethylene propylene rubber insulating layer.