CN209843302U

CN209843302U - Anti-tearing high-low temperature-resistant cable

Info

Publication number: CN209843302U
Application number: CN201921158867.4U
Authority: CN
Inventors: 张阳
Original assignee: Shanghai Guangmao Special Cable Co Ltd
Current assignee: Shanghai Guangmao Special Cable Co Ltd
Priority date: 2019-07-20
Filing date: 2019-07-20
Publication date: 2019-12-24
Anticipated expiration: 2029-07-20

Abstract

The utility model discloses an anti high low temperature cable that tears relates to the cable field, aims at solving the not good problem of traditional cable thermal diffusivity, and its technical scheme main points are: including three at least core electric wires that set up side by side, cladding in the outside sheath of core electric wire, the core electric wire includes copper wire, cladding in the outside cladding of copper wire and cladding in the insulating layer outside the cladding, the sheath includes silicon rubber, three be provided with the shielding subassembly between the core electric wire, be provided with the spacer between three core electric wires, the spacer is made by silicon rubber, the setting of the transversal regular hexagon of personally submitting of spacer, and follow equal interval distribution of core electric wire length direction. The utility model discloses an anti high low temperature cable that tears has that heat dispersion is good, anti tear tensile strength is high, resistant high microthermal advantage.

Description

Anti-tearing high-low temperature-resistant cable

Technical Field

The utility model belongs to the technical field of the technique of insulating cable and specifically relates to an anti high low temperature resistant cable that tears is related to.

Background

The electric insulated cable is formed by combining a plurality of core wires, wherein each core wire comprises a conductive core and an insulating layer for covering the conductive core; a coating layer covering the core wire; and a sheath covering the coating layer, wherein, in the manufacture of the cable, the coating powder is coated on the outer peripheral surface of the core wire intermittently in the longitudinal direction of the cable, so that the coating layer of the cable can be easily peeled off and the core wire can be easily taken out.

The power cable can produce a large amount of heats in the use, but traditional cable radiating effect is usually not good, leads to the problem that influences cable performance.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide an anti high low temperature resistant cable that tears has the better advantage of thermal diffusivity.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides an anti-tear high low temperature resistant cable, includes three piece at least core electric wires, cladding that set up side by side in the outside sheath of core electric wire, the core electric wire includes copper wire, cladding in the outside cladding of copper wire and cladding insulating layer outside the cladding, the sheath includes silicon rubber, three be provided with the shielding component between the core electric wire, be provided with the spacer piece between three core electric wires, the spacer piece is made by silicon rubber, the cross-section regular hexagon setting of personally submitting of spacer piece, and follow equal interval distribution of core electric wire length direction.

Through adopting above-mentioned technical scheme, the core electric wire is used for electrically conducting, at the core electric wire at the coating cladding, play rust-resistant insulating effect, and silicone rubber is chooseed for use to the sheath material, silicone rubber's low temperature resistant and high temperature resistance can be stronger, can reduce because the cable generates heat the influence that brings, through setting up shielding component, avoid the electric wave mutual interference that the electric wire produced, through the distance piece that the interval set up, thereby make the heat radiating area who increases every core electric wire in space formation between three core electric wires, reinforcing radiating effect, and every core electric wire all pastes the lateral wall that is tightly in the distance piece, later through shielding component cladding, play reinforced effect.

The utility model discloses further set up to: the plating comprises silver or tin.

By adopting the technical scheme, the oxidation of the copper wire can be reduced and the conductivity of the copper wire can be improved by plating silver outside the copper wire, and the attractiveness of the conductor can be improved and the welding performance of the copper wire can be improved by plating zinc outside the copper wire.

The utility model discloses further set up to: the insulating layer comprises FEP.

By adopting the technical scheme, the FEP is fully called as fluorinated ethylene propylene copolymer, the tensile strength, the wear resistance and the creep resistance of the FEP are lower than those of many engineering plastics, the FEP is chemically inert, and the FEP has a lower dielectric constant in a wide temperature and frequency range; therefore, the tear strength of the cable can be improved, and the performance is more stable.

The utility model discloses further set up to: the shielding assembly comprises shielding belts wound outside each core wire, and the shielding belts are wound outside the three core wires together.

Through adopting above-mentioned technical scheme, the shielding area is outer conductor and ground connection in industry promptly, has electrically conductive performance, consequently can be at the core electric wire for forming the shielding layer to the shielding area is at every core electric wire outside winding, twines in three core electric wires outside simultaneously in proper order, not only can be alone with every core electric wire cladding, can make three core electric wires whole by the cladding moreover, and shielding effect is better.

The utility model discloses further set up to: the shielding tape comprises a copper tape.

Through adopting above-mentioned technical scheme, have better electric conductivity, and thickness is less, and the flexibility is stronger, can also adopt the mode of PET outer copper facing.

The utility model discloses further set up to: the side wall of the spacing piece is provided with a semicircular caulking groove for embedding the core electric wire.

Through adopting above-mentioned technical scheme, when connecting, every core electric wire all inlays and locates in the caulking groove for core electric wire and distance piece closely laminate, prevent that core electric wire from taking place to slide along the lateral wall of distance piece.

The utility model discloses further set up to: a plurality of channels are formed in the spacing piece.

By adopting the technical scheme, the weight of the spacer can be reduced, the materials are saved and the heat dissipation performance can be improved to a certain extent by arranging the channels.

The utility model discloses further set up to: and reinforcing wires are arranged in the sheath along the length direction.

Through adopting above-mentioned technical scheme, the enhancement silk at this place can adopt the nylon yarn, and not only intensity is high, and the resistance is torn and is drawn, and insulating nature is good moreover, can effectively improve the resistance of tearing of sheath and draw intensity.

To sum up, the utility model discloses a beneficial technological effect does:

1. the core wires are used for conducting electricity, the core wires are coated with a plating layer to play a role in rust prevention and insulation, the sheath material is made of silicon rubber, the low-temperature resistance and high-temperature resistance of the silicon rubber are high, the influence caused by cable heating can be reduced, the shielding assembly is arranged to avoid mutual interference of electric waves generated by the wires, the spacing pieces are arranged at intervals to form a space between the three core wires, so that the heat dissipation area of each core wire is increased, the heat dissipation effect is enhanced, each core wire is tightly attached to the side walls of the spacing pieces, and then the shielding assembly covers the wires to play a role in reinforcement;

2. the added nylon yarn has high strength, tear resistance and good insulativity, and can effectively improve the tear resistance of the sheath.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic diagram of the internal structure of the present invention.

In the figure, 1, a core wire; 2. a sheath; 3. a copper wire; 4. plating; 5. an insulating layer; 6. a shielding assembly; 7. a shielding tape; 8. a spacer; 9. caulking grooves; 10. a channel.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, for the utility model discloses a tear-resistant high and low temperature resistant cable, including at least three core electric wires 1 that set up side by side, the cladding has sheath 2 outside core electric wire 1, wherein core electric wire 1 includes copper wire 3 that is located inside, coat on cladding 4 of copper wire 3 outer wall and cladding in the insulating layer 5 of cladding 4 outside, wherein sheath 2 is made by silicon rubber, be provided with shielding component 6 between three core electric wires 1, be provided with spacer 8 between three core electric wires 1, spacer 8 is made by silicon rubber, spacer 8 is the hexagonal prism setting that the cross section is regular hexagon, and the equal interval distribution along core electric wire 1 length direction; core electric wire 1 is used for electrically conducting, at core electric wire 1 at coating cladding 4, play rust-resistant insulating effect, and the 2 materials of sheath choose for use silicon rubber, silicon rubber's low temperature resistant and high temperature resistance can be stronger, can reduce because the cable generates heat the influence that brings, through setting up shielding component 6, avoid the electric wave mutual interference that the electric wire produced, spacer 8 through the interval setting, thereby make the heat radiating area of formation space increase every core electric wire 1 between three core electric wires 1, reinforcing radiating effect, and every core electric wire 1 all pastes the lateral wall in spacer 8, later through the cladding of shielding component 6, play reinforced effect.

As shown in fig. 2, the sidewall of the spacer 8 is provided with a semicircular caulking groove 9 for the core wire 1 to be embedded, and when the core wire 1 is connected, each core wire 1 is embedded in the caulking groove 9, so that the core wire 1 is tightly attached to the spacer 8, and the core wire 1 is prevented from sliding along the sidewall of the spacer 8.

As shown in fig. 2, the plating layer 4 may be a silver plating layer or a tin plating layer; the silver plating outside the copper wire 3 can reduce the oxidation of the copper wire 3 and improve the conductivity of the copper wire 3, and the zinc plating outside the copper wire 3 can improve the aesthetic property of the conductor and improve the welding performance of the copper wire 3.

The insulating layer 5 here can be made of FEP, which is known as fluorinated ethylene propylene copolymer, which has lower tensile strength, wear resistance, creep resistance than many engineering plastics, is chemically inert, and has a low dielectric constant over a wide range of temperatures and frequencies; therefore, the tear strength of the cable can be improved, and the performance is more stable.

As shown in fig. 1 and 2, the shielding assembly 6 includes a shielding tape 7 wound around each core wire 1, and the shielding tapes 7 are wound around the three core wires 1; the shielding tape 7 is an outer conductor in the industry and is grounded, and has a conductive performance, so that a shielding layer can be formed on the core wires 1, the shielding tape 7 is wound outside each core wire 1, and simultaneously, the shielding tape is wound outside the three core wires 1 in sequence, so that not only can each core wire 1 be independently coated, but also the three core wires 1 can be integrally coated, and the shielding effect is better. The shielding belt 7 can be a copper belt, has better conductivity, smaller thickness and stronger flexibility, and can also adopt a mode of plating copper outside the PET.

As shown in fig. 2, a plurality of passages 10 are formed in the spacer 8, and the passages 10 can reduce the weight of the spacer 8, save materials, and improve heat dissipation to some extent. Reinforcing wires are arranged in the sheath 2 along the length direction of the cable; the reinforcing wire here can adopt the nylon yarn, and not only intensity is high, and the resistance is torn and is drawn, and insulating nature is good moreover, can effectively improve the resistance of tearing of sheath 2 and draw intensity.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a resistant high low temperature cable of tearing which characterized in that: including three at least core electric wires (1) that set up side by side, cladding in the outside sheath (2) of core electric wire (1), core electric wire (1) includes copper wire (3), cladding in cladding (4) of copper wire (3) outside and cladding in insulating layer (5) outside cladding (4), sheath (2) include silicon rubber, three be provided with shielding component (6) between core electric wire (1), be provided with between three core electric wires (1) apart piece (8), apart piece (8) are made by silicon rubber, the cross section of separate piece (8) is the regular hexagon setting, and follows equal interval distribution of core electric wire (1) length direction.

2. A tear resistant high and low temperature cable according to claim 1, wherein: the plating layer (4) comprises silver or tin.

3. A tear resistant high and low temperature cable according to claim 1, wherein: the insulating layer (5) comprises FEP.

4. A tear resistant high and low temperature cable according to claim 1, wherein: the shielding assembly (6) comprises shielding belts (7) wound outside each core wire (1), and the shielding belts (7) are wound outside the core wires (1) together.

5. The tear-resistant high and low temperature resistant cable of claim 4, wherein: the shielding tape (7) comprises a copper tape.

6. A tear resistant high and low temperature cable according to claim 1, wherein: the side wall of the spacer (8) is provided with a semicircular caulking groove (9) for embedding the core wire (1).

7. The tear resistant high and low temperature cable of claim 6, wherein: a plurality of channels (10) are arranged in the spacing piece (8).

8. A tear resistant high and low temperature cable according to claim 1, wherein: and reinforcing wires are arranged in the sheath (2) along the length direction.