CN219143834U

CN219143834U - Street lamp cable

Info

Publication number: CN219143834U
Application number: CN202223228652.XU
Authority: CN
Inventors: 赵保森; 陈洁; 唐名春
Original assignee: Sichuan Ouneng Cable Group Co ltd
Current assignee: Sichuan Ouneng Cable Group Co ltd
Priority date: 2022-12-02
Filing date: 2022-12-02
Publication date: 2023-06-06
Anticipated expiration: 2032-12-02

Abstract

The application provides a street lamp cable, which relates to the field of cables and comprises a cable body, wherein the cable body comprises a single wire core and three wire core groups, the wire core groups are formed by two wire cores in a cable mode, a first filling strip is arranged in a gap until the wire core groups are round, and the single wire core comprises a wire core; the wire core comprises a conductor, the conductor is formed by twisting and compacting a plurality of wires, and an insulating layer is arranged outside the conductor; the cable core group and the single wire core are sequentially provided with the water-blocking tape layer and the wire core sheath, all the wire core group and the single wire core form a cable, the second filling strip is arranged at the gap to the cable body to form a round shape, and the rat and termite preventing layer is arranged outside the cable body. The utility model is suitable for the street lamp power supply condition that the outdoor environment is complex, and is easy to be damaged by underground moisture and underground water erosion and ants and mice, and has better safety and longer service life.

Description

Street lamp cable

Technical Field

The application relates to the cable field, in particular to a street lamp cable.

Background

When supplying power for the large-scale banks of arterial roads, because the outdoor environment is complicated, the power supply cable is easily suffered from the erosion of underground moisture and groundwater, and the destruction of ants and mice, has greatly shortened cable life. The conventional street lamp cable generally adopts common YJV and YJV22 type crosslinked polyethylene cables, and does not have strong waterproof, termite-proof and rat-proof functions.

Disclosure of Invention

The utility model aims at providing a street lamp cable, it can be applicable to outdoor environment complicacy, easily suffers the street lamp power supply condition of the destruction of underground moisture and groundwater erosion, ant and mouse, has better security and longer life-span.

Embodiments of the present application are implemented as follows:

the street lamp cable comprises a cable body, wherein the cable body comprises a single wire core and three wire core groups, the wire core groups are formed by two wire cores in a cable mode, a first filling strip is arranged in a gap until the wire core groups are round, and the single wire core comprises one wire core; the wire core comprises a conductor, the conductor is formed by twisting and compacting a plurality of wires, and an insulating layer is arranged outside the conductor; the cable core group and the single wire core are sequentially provided with the water-blocking tape layer and the wire core sheath, all the wire core group and the single wire core form a cable, the second filling strip is arranged at the gap to the cable body to form a round shape, and the rat and termite preventing layer is arranged outside the cable body.

Further, the rat and termite preventing layer comprises an ant preventing bag belt and a rat preventing sheath which are arranged from inside to outside, the ant preventing bag belt is provided with an ant preventing agent, and the rat preventing sheath is provided with a rat preventing agent.

Further, the termite-proof bag strap is a polyvinyl chloride bag strap, and the rat-proof sheath is formed by extrusion molding of polyvinyl chloride.

Further, the wire core sheath is formed by extrusion molding of polyvinyl chloride, and the insulating layer is formed by extrusion molding of crosslinked polyethylene.

Further, the number of the water blocking tape layers was 2.

Further, the outside of the wire core sheath is respectively marked with a digital serial number.

Further, the first filling strip and the second filling strip are provided with an anti-pulling rope along the length direction.

Compared with the prior art, the embodiment of the application has at least the following advantages or beneficial effects:

(1) The street lamp cable comprises a single wire core and three wire core groups, wherein one wire core in the wire core groups is a phase line, the other wire core in the wire core groups is a neutral line, the single wire core is a grounding protection line, the line voltage of the cable is 380V, and the phase voltage is 220V, so that the street lamp cable is particularly suitable for the existing LED street lamp.

(2) The street lamp cable disclosed by the utility model has the advantages that the rat-proof sheath and the termite-proof tape are arranged on the outer layer, the process is simple, the cost is low, good rat-proof and termite-proof effects are ensured while the cable body is protected from water, the waterproof performance and the structural performance of the cable can be enhanced by arranging the water-proof tape layer and the cable core sheath on the inner layer, the normal use of the cable is not affected under the condition that the structure of the outer layer is damaged, the street lamp cable is suitable for the street lamp power supply condition that the outdoor environment is complex and is easily damaged by underground moisture and groundwater erosion and ants and rats, and the street lamp cable has better safety and longer service life.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered limiting the scope, and that other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a cross-sectional structural view of a street lamp cable provided in embodiment 1 of the present application;

FIG. 2 is a cross-sectional view of the tensile cord according to example 1 of the present application;

icon: the cable comprises a 1-cable body, a 2-cable core group, a 3-single cable core, a 4-cable core, a 5-conductor, a 6-insulating layer, a 7-water-blocking tape layer, an 8-cable core sheath, 9-first filling strips, 10-second filling strips, 11-termite-proof tape, 12-rat-proof sheath and 13-pull-resistant ropes.

Detailed Description

For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, which are generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, as provided in the accompanying drawings, is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

Example 1

Referring to fig. 1, the utility model provides a street lamp cable, which comprises a cable body 1, wherein the cable body 1 comprises a single wire core 3 and three wire core groups, the wire core groups 2 are formed by cabling two wire cores 4, and a first filling strip 9 is arranged in a gap to the wire core groups 2 to form a round shape, and the single wire core 3 comprises one wire core 4. The wire core 4 comprises a conductor 5, the conductor 5 is formed by twisting and compacting a plurality of wires, an insulating layer 6 is arranged outside the conductor 5, and the insulating layer 6 is formed by adopting crosslinked polyethylene extrusion molding. One of the two wire cores 4 in the wire core group 2 is a phase line, the other wire core is a neutral line, the single wire core 3 is a grounding protection line, the line voltage of the cable is 220V, and the phase voltage is 380V, so that the LED street lamp is particularly suitable for the existing LED street lamp. Specifically, the conductor 5 structure includes, but is not limited to, one of the following three: (1) The conductor 5 is formed by twisting and compacting 7 round copper wires with the diameter of 2.28mm, the sectional area of the conductor 5 is 25 square millimeters, and the safe current-carrying capacity is 125A. (2) The conductor 5 is formed by twisting and compacting 7 round copper wires with the diameter of 1.87mm, the sectional area of the conductor 5 is 16 square millimeters, and the safe current-carrying capacity is 98A; (3) The conductor 5 is formed by twisting and compacting 7 round copper wires with the diameter of 1.36mm, the sectional area of the conductor 5 is 10 square millimeters, and the safe current-carrying capacity is 72A.

The core group 2 and the single core 3 are respectively provided with a 2-layer water-blocking tape layer 7 and a core sheath 8, the core sheath 8 is formed by extrusion molding of polyvinyl chloride, and the outside of the core sheath 8 is respectively marked with a number of 1-4 for distinguishing, so that the processing and the later wiring are facilitated. All the wire core groups 2 and the single wire cores 3 are cabled, and a second filling strip 10 is arranged at the gap to the cable body 1, so that the cable body 1 is round, and a rat and termite preventing layer is arranged outside the cable body 1. The rat and termite preventing layer comprises an ant preventing bag belt 11 and a rat preventing sheath 12 which are arranged from inside to outside, wherein the ant preventing bag belt 11 is provided with an ant preventing agent, and the rat preventing sheath 12 is provided with a rat preventing agent. The termite-proof bag belt 11 is a polyvinyl chloride bag belt, and the rat-proof sheath 12 is formed by extrusion molding of polyvinyl chloride.

The street lamp cable is characterized in that the outer layer of the street lamp cable is provided with the rat-proof sheath 12 and the termite-proof bag belt 11, the rat-proof sheath 12 and the termite-proof bag belt 11 are made by matching the existing rat-proof chemical agent, the termite-proof chemical agent and the polyvinyl chloride, the process is simple, the cost is low, and good rat-proof and termite-proof effects are ensured while the cable body 1 is protected. The inner layer is provided with the water-blocking tape layer 7 and the wire core sheath 8, so that the waterproof performance and the structural performance of the cable can be enhanced, and the normal use of the cable is not affected under the condition that the outer layer is damaged in structure. The utility model is particularly suitable for the street lamp power supply condition that the outdoor environment is complex, and is easy to be damaged by underground moisture and underground water erosion and ants and mice, and has better safety and longer service life.

In particular, the existing filling strips are made of PP materials, and are generally produced by using recycled waste plastics as raw materials, so that the strength is poor and the filling strips are easy to break.

The foregoing is merely a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and variations may be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. The street lamp cable is characterized by comprising a cable body (1), wherein the cable body (1) comprises a single wire core (3) and three wire core groups (2), the wire core groups (2) are formed by two wire cores (4) in a cabling mode, a first filling strip (9) is arranged in a gap to form a round shape to the wire core groups (2), and the single wire core (3) comprises one wire core (4); the wire core (4) comprises a conductor (5), the conductor (5) is formed by twisting and compacting a plurality of wires, and an insulating layer (6) is arranged outside the conductor (5); the cable is characterized in that a water blocking tape layer (7) and a cable core sheath (8) are sequentially arranged outside the cable core group (2) and the single-wire core (3), all the cable core group (2) and the single-wire core (3) are in a cable formation and a second filling strip (10) is arranged at a gap to the cable body (1) to form a round shape, and a rat and termite prevention layer is arranged outside the cable body (1).

2. Street light cable according to claim 1, characterised in that the number of water-blocking tape layers (7) is 2.

3. Street lamp cable according to claim 1 or 2, wherein the core sheath (8) is externally provided with a number.

4. Street light cable according to claim 1 or 2, characterised in that the first (9) and the second (10) filler strips are provided with a tensile cord (13) along their length.