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CN-224217275-U - Ozone-resistant polyethylene cable

CN224217275UCN 224217275 UCN224217275 UCN 224217275UCN-224217275-U

Abstract

The utility model discloses an ozone-resistant polyethylene cable, which comprises a polyethylene cable body, wherein the polyethylene cable body is composed of a copper core, an insulating layer, a filling layer, a shielding layer, a built-in steel belt, a sponge buffer layer and an outer sheath layer, the insulating layer is arranged on the outer side of the copper core, the filling layer is arranged on the outer side of the insulating layer, the shielding layer is arranged on the outer side of the filling layer, a built-in steel belt is arranged on the outer side of the shielding layer, the sponge buffer layer is arranged on the outer side of the built-in steel belt, and the outer sheath layer is arranged on the outer side of the sponge buffer layer. According to the utility model, after the polymerization inhibitor and the carbon black particles are added into the polyethylene resin, the produced polyethylene cable outer sheath layer is used as the outer sheath layer of the polyethylene cable body, so that the outer sheath layer has stronger ozone resistance, and meanwhile, the insulating layer made of crosslinked polyethylene is arranged in the polyethylene cable outer sheath layer, so that the current can be effectively isolated, the short circuit can be prevented, and the safety and the stability of the cable can be ensured.

Inventors

  • LI XIAODONG
  • WU PEIXIN
  • Ou Junmei

Assignees

  • 深圳琦富瑞电子有限公司

Dates

Publication Date
20260508
Application Date
20250409

Claims (7)

  1. 1. The utility model provides an ozone-resistant polyethylene cable, includes polyethylene cable body (1), its characterized in that polyethylene cable body (1) comprises copper core (2), insulating layer (3), filling layer (4), shielding layer (5), built-in steel band (6), sponge buffer layer (7) and oversheath layer (8), the outside of copper core (2) is provided with insulating layer (3), the outside of insulating layer (3) is provided with filling layer (4), the outside of filling layer (4) is provided with shielding layer (5), the outside of shielding layer (5) is provided with built-in steel band (6), the outside of built-in steel band (6) is provided with sponge buffer layer (7), the outside of sponge buffer layer (7) is provided with oversheath layer (8).
  2. 2. An ozone resistant polyethylene cable according to claim 1, characterized in that the outer jacket layer (8) is composed of polyethylene resin (9), polymerization inhibitor (10) and carbon black particles (11).
  3. 3. An ozone resistant polyethylene cable according to claim 1, characterized in that the insulating layer (3) is in particular a cross-linked polyethylene material.
  4. 4. An ozone resistant polyethylene cable according to claim 1, characterized in that the filler layer (4) is in particular of polyethylene material.
  5. 5. An ozone resistant polyethylene cable according to claim 1, characterized in that the shielding layer (5) is constituted by an aluminium foil (13) and a copper braid structure (12), the copper braid structure (12) being arranged outside the aluminium foil (13).
  6. 6. An ozone resistant polyethylene cable according to claim 1, characterized in that the sponge buffer layer (7) is in particular a polyurethane sponge material.
  7. 7. An ozone resistant polyethylene cable according to claim 1, characterized in that the copper cores (2) are in particular three.

Description

Ozone-resistant polyethylene cable Technical Field The utility model relates to the technical field of polyethylene cables, in particular to an ozone-resistant polyethylene cable. Background Polyethylene cables, as their name implies, are cables with polyethylene as the primary insulating material. The core definition is to use polyethylene or cross-linked polyethylene as the insulation layer of the cable. The choice of such materials imparts a range of advantageous properties to polyethylene cables, making them important in the field of power transmission and distribution. The existing polyethylene cable body is made of polyethylene materials, and has good ultraviolet resistance and humidity resistance, but does not have ozone resistance, so that the materials are easy to crack and age in the using process, and the safety and durability of the cable are affected. Disclosure of utility model The utility model aims to provide an ozone-resistant polyethylene cable for solving the problems in the background art. In order to achieve the above purpose, the technical scheme is that the ozone-resistant polyethylene cable comprises a polyethylene cable body, wherein the polyethylene cable body comprises a copper core, an insulating layer, a filling layer, a shielding layer, an embedded steel belt, a sponge buffer layer and an outer sheath layer, the insulating layer is arranged on the outer side of the copper core, the filling layer is arranged on the outer side of the insulating layer, the shielding layer is arranged on the outer side of the filling layer, the built-in steel belt is arranged on the outer side of the shielding layer, the sponge buffer layer is arranged on the outer side of the built-in steel belt, and the outer sheath layer is arranged on the outer side of the sponge buffer layer. As a further preferred aspect of the present invention, the outer sheath layer is composed of polyethylene resin, polymerization inhibitor and carbon black particles. As a further preferable aspect of the present invention, the insulating layer is specifically made of crosslinked polyethylene. As a further preferable aspect of the present invention, the filling layer is specifically made of polyethylene. As a further preferred aspect of the present invention, the shielding layer is composed of an aluminum foil and a copper braid structure, and the copper braid structure is disposed outside the aluminum foil. As a further preferable mode of the technical scheme, the sponge buffer layer is made of polyurethane sponge. As a further preferred aspect of the present invention, the copper cores are specifically three copper cores. The utility model provides an ozone-resistant polyethylene cable, which has the following beneficial effects: (1) According to the utility model, after the polymerization inhibitor and the carbon black particles are added into the polyethylene resin, the produced polyethylene cable outer sheath layer is used as the outer sheath layer of the polyethylene cable body, so that the outer sheath layer has stronger ozone resistance, and meanwhile, the insulating layer made of crosslinked polyethylene is arranged in the polyethylene cable outer sheath layer, so that the current can be effectively isolated, the short circuit can be prevented, and the safety and the stability of the cable can be ensured. (2) The built-in steel belt is arranged in the polyethylene cable body, so that a stable support can be formed outwards, the overall strength and flexibility of the polyethylene cable body are improved, the protection can be provided internally, the damage of external force to the polyethylene cable body is prevented, and the normal use of an internal circuit is influenced. Drawings FIG. 1 is a schematic perspective view of the present utility model; FIG. 2 is a schematic cross-sectional view of the present utility model; FIG. 3 is a schematic view of the semi-sectional structure of the present utility model; FIG. 4 is a schematic view of the composition of the outer jacket layer according to the present utility model; FIG. 5 is a schematic view of a shielding layer structure according to the present utility model; In the figure, 1, a polyethylene cable body, 2, a copper core, 3, an insulating layer, 4, a filling layer, 5, a shielding layer, 6, a built-in steel belt, 7, a sponge buffer layer, 8, an outer sheath layer, 9, polyethylene resin, 10, a polymerization inhibitor, 11, carbon black particles, 12, a copper woven structure, 13 and an aluminum foil. Detailed Description The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. 1-5, In the embodiment, the ozone-resistant polyethylene cable comprises a polyethylene cable body 1, wherein the polyethylene cable body 1 is composed of a copper core 2, an insulating layer 3, a filling layer 4, a shielding layer 5,