CN216928107U

CN216928107U - Novel environment-friendly tinned copper stranded wire

Info

Publication number: CN216928107U
Application number: CN202123255226.0U
Authority: CN
Inventors: 陈俊胜; 金月明
Original assignee: Kunshan Huirong Electronic Materials Co ltd
Current assignee: Kunshan Huirong Electronic Materials Co ltd
Priority date: 2021-12-23
Filing date: 2021-12-23
Publication date: 2022-07-08
Anticipated expiration: 2031-12-23

Abstract

The utility model discloses a novel environment-friendly tinned copper stranded wire which comprises wire cores, bulletproof wires, a low-smoke halogen-free packaging layer, a shielding layer, an insulating filler layer, an insulating layer and a wear-resistant layer, wherein eight groups of wire cores are arranged, the eight groups of wire cores are stranded and covered on the outer side of the bulletproof wires, the low-smoke halogen-free packaging layer is arranged on the outer sides of the eight groups of wire cores, the insulating filler layer is filled between the low-smoke halogen-free packaging layer and the bulletproof wires, the shielding layer is covered on the outer side of the low-smoke halogen-free packaging layer, the insulating layer is covered on the outer side of the shielding layer, and the wear-resistant layer is covered on the outer side of the insulating layer; the wire core comprises a copper wire core, a tin-plated layer, a heat insulation layer and a polystyrene layer. By arranging the bulletproof wires, the tinned copper stranded wire has the advantages of high tensile strength, high tensile force function, low elongation, high breaking strength, high stability and creep resistance, and the strength and the service life of the tinned copper stranded wire can be effectively enhanced.

Description

Novel environment-friendly tinned copper stranded wire

Technical Field

The utility model relates to the technical field of copper stranded wires, in particular to a novel environment-friendly tinned copper stranded wire.

Background

Because the tinned copper wire has excellent oxidation resistance and weldability and excellent current transmission speed and bearing capacity, the tinned copper wire is mainly used for conductive wire cores of rubber-insulated mining cables, flexible wires, flexible cables, boat cables and the like and is widely applied to cables. In recent years, tinned copper wires have been developed rapidly, and after tinning the copper wires, the free sulfur precipitated from the rubber can be prevented from reacting with the copper. The solderability of the lead can be improved after tinning, and the phenomena of insufficient soldering and false soldering during soldering are avoided. The tinned soft copper stranded wire has stronger tensile resistance and better cold resistance, can not influence the performances of the tinned soft copper stranded wire when used at a lower temperature, is not easy to oxidize and corrode in long-term storage and use, saves the replacement frequency of cables, and is more energy-saving and environment-friendly.

The existing tinned copper stranded wire still has some problems: the copper stranded wire is mostly exposed, is low in high temperature resistance and corrosion resistance, is inconvenient to shield, is easy to interfere, is low in insulativity and wear resistance, and is low in safety in use.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a novel environment-friendly tinned copper stranded wire to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a novel environment-friendly tinned copper stranded wire comprises wire cores, an anti-bullet wire, a low-smoke halogen-free packaging layer, a shielding layer, an insulating filler layer, an insulating layer and a wear-resistant layer, wherein eight groups of wire cores are arranged, the wire cores are stranded and coated on the outer side of the anti-bullet wire, the low-smoke halogen-free packaging layer is arranged on the outer side of the eight groups of wire cores, the insulating filler layer is filled between the low-smoke halogen-free packaging layer and the anti-bullet wire, the shielding layer is coated on the outer side of the low-smoke halogen-free packaging layer, the insulating layer is coated on the outer side of the shielding layer, and the wear-resistant layer is coated on the outer side of the insulating layer;

the cable core comprises a copper cable core, a tin coating, a heat insulation layer and a polystyrene layer, wherein the tin coating is plated on the outer surface of the copper cable core, the heat insulation layer is coated on the outer surface of the tin coating, and the polystyrene layer is coated on the outer surface of the heat insulation layer.

Preferably, the copper wire core is formed by twisting a plurality of copper wires.

Preferably, the bulletproof wire is a 400D bulletproof wire.

Preferably, the low-smoke halogen-free packaging layer is set to be a low-smoke halogen-free flame-retardant ceramizable thermoplastic polyolefin elastomer composite layer, and the thickness of the low-smoke halogen-free packaging layer is set to be 0.2-0.8 mm.

Preferably, the shielding layer is arranged to be longitudinally wrapped with an aluminum foil shielding layer, and the insulating filler layer is arranged to be a low-density crosslinked polyethylene layer.

Preferably, the insulating layer is a radiation crosslinking low-smoke halogen-free flame-retardant polyolefin insulating layer, and the wear-resistant layer is a wear-resistant rubber layer.

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

1. by arranging the bulletproof wires, the tinned copper stranded wire has the advantages of high tensile strength, high tensile force function, low extension, high breaking strength, high stability and creep resistance, and the strength and the service life of the tinned copper stranded wire can be effectively enhanced;

2. according to the utility model, the low-smoke halogen-free packaging layer is arranged, so that the high-temperature resistance and corrosion resistance of the tinned copper stranded wire are improved, and the tinned copper stranded wire has good flame retardant property and mechanical property, can play a role in isolating external flame, and is safer and more environment-friendly;

3. according to the utility model, through the shielding layer, signal shielding can be carried out, the signal shielding effect is good, and interference can be avoided;

4. by arranging the insulating layer and the wear-resistant layer, the tensile property is further enhanced while electric leakage is prevented, and danger caused by cracking of the outer skin due to friction in the drawing process is prevented, so that the use safety is improved;

5. the insulation performance of the wire core is improved by arranging the copper wire core, the tin coating, the heat insulation layer and the polystyrene layer, the tin coating is more convenient for soldering or installing wire noses, the wire core is more convenient to operate and use, the heat insulation effect is good by the heat insulation layer, and the polystyrene layer is arranged to play a role in insulation protection.

Drawings

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

FIG. 2 is a schematic structural diagram of a core of the present invention;

fig. 3 is a schematic structural view of a copper wire core of the present invention.

In the figure: 1. a wire core; 11. a copper wire core; 111. a copper wire; 12. plating a tin layer; 13. a thermal insulation layer; 14. a polystyrene layer; 2. anti-stretch yarn; 3. a low smoke zero halogen encapsulation layer; 4. a shielding layer; 5. an insulating filler layer; 6. an insulating layer; 7. and a wear-resistant layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a novel environment-friendly tinned copper stranded wire comprises a wire core 1, an anti-bullet wire 2, a low-smoke halogen-free packaging layer 3, a shielding layer 4, an insulating filler layer 5, an insulating layer 6 and a wear-resistant layer 7, wherein eight groups of wire cores 1 are arranged, the eight groups of wire cores 1 are stranded and coated on the outer side of the anti-bullet wire 2, the low-smoke halogen-free packaging layer 3 is arranged on the outer side of the eight groups of wire cores 1, the insulating filler layer 5 is filled between the low-smoke halogen-free packaging layer 3 and the anti-bullet wire 2, the shielding layer 4 is coated on the outer side of the low-smoke halogen-free packaging layer 3, the insulating layer 6 is coated on the outer side of the shielding layer 4, and the wear-resistant layer 7 is coated on the outer side of the insulating layer 6;

the cable core 1 comprises a copper cable core 11, a tin-plated layer 12, a heat-insulating layer 13 and a polystyrene layer 14, wherein the tin-plated layer 12 is plated on the outer surface of the copper cable core 11, the heat-insulating layer 13 is coated on the outer surface of the tin-plated layer 12, and the polystyrene layer 14 is coated on the outer surface of the heat-insulating layer 13.

In order to increase the strength of the copper wire core 11, the copper wire core 11 is formed by twisting a plurality of copper wires 111.

In order to increase the stretch-proof and tensile-proof capacity of the bulletproof wire 2, the bulletproof wire 2 is set to be a 400D bulletproof wire.

In order to increase the high temperature resistance and the corrosion resistance and conveniently play a role of flame retardant, the low-smoke halogen-free packaging layer 3 is set to be a low-smoke halogen-free flame-retardant ceramic thermoplastic polyolefin elastomer composite material layer, and the thickness is set to be 0.2-0.8 mm.

In order to increase the shielding effect, the shielding layer 4 is arranged to be longitudinally wrapped with an aluminum foil shielding layer, and the insulating filler layer 5 is arranged to be a low-density crosslinked polyethylene layer.

In order to increase insulativity and wear resistance and improve safety in use, the insulating layer 6 is set as a radiation crosslinking low-smoke halogen-free flame-retardant polyolefin insulating layer, and the wear-resistant layer 7 is a wear-resistant rubber layer.

The structure principle is as follows:

by arranging the bulletproof wires, the tinned copper stranded wire has the advantages of high tensile strength, high tensile force function, low extension, high breaking strength, high stability and creep resistance, and the strength and the service life of the tinned copper stranded wire can be effectively enhanced; by arranging the low-smoke halogen-free packaging layer, the tin-plated copper stranded wire has high-temperature resistance and corrosion resistance, good flame retardant property and mechanical property, and can play a role in isolating external flame, so that the tin-plated copper stranded wire is safer and more environment-friendly; through the shielding layer, signal shielding can be carried out, the signal shielding effect is good, and interference can be avoided; by arranging the insulating layer and the wear-resistant layer, the tensile property is further enhanced while electric leakage is prevented, and danger caused by cracking of the outer skin due to friction in the drawing process is prevented, so that the use safety is improved; the insulation performance of the wire core is improved by arranging the copper wire core, the tin coating, the heat insulation layer and the polystyrene layer, the tin coating is more convenient for soldering or installing wire noses, the wire core is more convenient to operate and use, the heat insulation effect is good by the heat insulation layer, and the polystyrene layer is arranged to play a role in insulation protection.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a novel environmental protection tinned copper stranded conductor which characterized in that: the bulletproof wire comprises a wire core (1), a bulletproof wire (2), a low-smoke halogen-free packaging layer (3), a shielding layer (4), an insulating filler layer (5), an insulating layer (6) and a wear-resistant layer (7), wherein the wire core (1) is provided with eight groups, the wire core (1) is twisted and coated on the outer side of the bulletproof wire (2), the low-smoke halogen-free packaging layer (3) is arranged on the outer side of the eight groups of the wire core (1), the insulating filler layer (5) is filled between the low-smoke halogen-free packaging layer (3) and the bulletproof wire (2), the shielding layer (4) is coated on the outer side of the low-smoke halogen-free packaging layer (3), the insulating layer (6) is coated on the outer side of the shielding layer (4), and the wear-resistant layer (7) is coated on the outer side of the insulating layer (6);

the cable core (1) comprises a copper wire core (11), a tin coating (12), a heat insulation layer (13) and a polystyrene layer (14), wherein the tin coating (12) is plated on the outer surface of the copper wire core (11), the heat insulation layer (13) is coated on the outer surface of the tin coating (12), and the polystyrene layer (14) is coated on the outer surface of the heat insulation layer (13).

2. The novel environment-friendly tinned copper stranded wire according to claim 1, characterized in that: the copper wire core (11) is formed by twisting a plurality of copper wires (111).

3. The novel environment-friendly tinned copper stranded wire according to claim 1, characterized in that: the anti-bullet silk (2) is set to be 400D.

4. The novel environment-friendly tinned copper stranded wire according to claim 1, characterized in that: the low-smoke halogen-free packaging layer (3) is set to be a low-smoke halogen-free flame-retardant ceramic thermoplastic polyolefin elastomer composite material layer, and the thickness of the low-smoke halogen-free flame-retardant ceramic thermoplastic polyolefin elastomer composite material layer is set to be 0.2-0.8 mm.

5. The novel environment-friendly tinned copper stranded wire according to claim 1, characterized in that: the shielding layer (4) is arranged to be longitudinally wrapped with an aluminum foil shielding layer, and the insulating filler layer (5) is arranged to be a low-density crosslinked polyethylene layer.

6. The novel environment-friendly tinned copper stranded wire according to claim 1, characterized in that: the insulating layer (6) is a radiation cross-linking low-smoke halogen-free flame-retardant polyolefin insulating layer, and the wear-resistant layer (7) is a wear-resistant rubber layer.