CN211507181U - Rat-proof and termite-proof cable - Google Patents

Abstract

A rat-proof and termite-proof cable comprises a main cable core, wherein the main cable core comprises a conductor, a first insulating layer and a second insulating layer which are sequentially arranged from inside to outside, the conductor is a tinned annealed copper conductor, the first insulating layer and the second insulating layer are formed by double-layer co-extrusion of an irradiation cross-linked halogen-free low-smoke flame-retardant polyolefin material, the number of the main cable cores is three, filling layers are arranged on the outer sides of all the main cable cores, and a cable main body with a circular cross section is formed; the outer protective layer faces outwards from the outer side face of the cable main body and sequentially comprises an isolation layer, an armor layer and an outer protective layer; the outer protective layer is a layer structure made of halogen-free low-smoke flame-retardant polyolefin material modified by the components containing the rat-proof and ant-proof repellent agent. The utility model has the advantages that: 1. the rat-proof and ant-proof repellent ingredient is added, so that a good rat-proof and ant-proof effect can be realized, and the cable can be prevented from being damaged by rats and ants; 2. a large amount of halogen-free low-smoke flame-retardant materials are adopted, so that the effect of environmental protection can be achieved.

Description

Rat-proof and termite-proof cable

Technical Field

The utility model relates to a transmission equipment technical field, more specifically say, in particular to protection against rodents ant prevention cable.

Background

The service environment of the cable is complicated and changeable, and most of the cables in the prior art have single functions, so that the service life of the cable is relatively short in certain environments and far shorter than the design service life of the cable.

In the actual use environment, especially in the places with serious rat and ant diseases, if the cables are not subjected to corresponding rat and ant prevention treatment, the cables are easily damaged by rats and ants, and the cables are damaged. The cable needs to be overhauled or re-laid after being damaged, and both the overhauling and the laying have the defects of time and labor consumption, and the problems of influencing traffic and the like due to the need of enclosing construction are also frequently caused.

SUMMERY OF THE UTILITY MODEL

Problem (A)

In conclusion, how to provide a cable capable of preventing rats and ants becomes a problem to be solved urgently by the technical personnel in the field.

(II) technical scheme

The utility model provides a protection against rodents ant prevention cable, include:

the cable comprises main cable cores, wherein each main cable core comprises a conductor, a first insulating layer and a second insulating layer which are sequentially arranged from inside to outside, the conductor is a tinned annealed copper conductor, the first insulating layer and the second insulating layer are formed by double-layer co-extrusion of an irradiation cross-linking halogen-free low-smoke flame-retardant polyolefin material, the number of the main cable cores is three, the three main cable cores are closely attached, filling layers are arranged on the outer sides of all the main cable cores, and a cable main body with a circular cross section is formed;

the outer protective layer faces outwards from the outer side face of the cable main body and sequentially comprises an isolation layer, an armor layer and an outer protective layer;

the outer protective layer is a layer structure made of a halogen-free low-smoke flame-retardant polyolefin material modified by components containing the rat-proof and ant-proof repellent agent.

Preferably, the filling layer is a layer structure made of halogen-free low-smoke flame-retardant polyolefin material;

the isolation layer is a layer structure made of halogen-free low-smoke flame-retardant polyolefin material.

Preferably, the filling layer is a layer structure made of halogen-free low-smoke flame-retardant polyolefin material;

the isolation layer is a layer structure formed by wrapping a ceramic fireproof and fireproof composite tape.

Preferably, the armor layer is a layer structure formed by interlocking armoring of copper alloy wires or copper alloy belts.

(III) advantageous effects

Through the structure design, the utility model has the advantages of: 1. the rat-proof and ant-proof repellent ingredient is added, so that a good rat-proof and ant-proof effect can be realized, and the cable can be prevented from being damaged by rats and ants; 2. a large amount of halogen-free low-smoke flame-retardant materials are adopted, so that the effect of environmental protection can be achieved.

Drawings

Fig. 1 is a schematic cross-sectional structure view of a rat-proof and termite-proof cable in an embodiment of the present invention;

in fig. 1, the correspondence between the component names and the reference numbers is:

the cable comprises a conductor 1, a first insulating layer 2, a second insulating layer 3, a filling layer 4, an isolating layer 5, an armor layer 6 and an outer protective layer 7.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1, fig. 1 is a schematic cross-sectional structure diagram of a rat-proof and termite-proof cable according to an embodiment of the present invention.

The utility model provides a protection against rodents ant-proof cable, including the principal conductor core, the principal conductor core includes conductor 1, first insulating layer 2 and the second insulating layer 3 that sets gradually from inside to outside, wherein the conductor is tin-plated annealing copper conductor, first insulating layer and the second insulating layer is by irradiation cross-linking halogen-free low smoke flame retardant polyolefin material bilayer crowded altogether and is extruded, the principal conductor core is provided with three, three the principal conductor core closely laminates, is provided with filling layer 4 in all the outside of principal conductor core and is formed with the cross section for circular cable main part; the outer protective layer faces outwards from the outer side face of the cable main body and sequentially comprises an isolation layer 5, an armor layer 6 and an outer protective layer 7; the outer protective layer is a layer structure made of a halogen-free low-smoke flame-retardant polyolefin material modified by components containing the rat-proof and ant-proof repellent agent.

The utility model provides a protection against rodents prevents ant cable, this product collect do not have halogen, low cigarette, fire-retardant, protection against rodents, prevent performance environmental protection such as ant and long-life function in an organic whole, and the severe area of adaptation mouse, ant and the place that has the fire-retardant environmental protection requirement of halogen-free low cigarette uses, and the long-life design of cable prolongs product service life, and the corresponding user cost that has reduced accords with national energy saving and emission reduction environmental protection policy.

The utility model discloses a contain following key technology during cable manufacture: the conductor adopts a tinned annealed copper conductor conforming to the GB/T3956 standard, and the tinned copper conductor can effectively prevent the conductor from being corroded and prolong the service life of the cable. Secondly, the first insulating layer 2 and the second insulating layer 3 on the outer side of the conductor 1 are made of irradiation cross-linking halogen-free low-smoke flame-retardant polyolefin materials through a double-layer co-extrusion process, the double layers are completely bonded, and the performance indexes meet the requirements of environmental protection marks. Thirdly, cabling is carried out by adopting a conventional cabling process. And the isolation layer 5 can be a layer structure made of halogen-free low-smoke flame-retardant polyolefin material by extrusion wrapping, and can also be a layer structure formed by wrapping a ceramic fireproof fire-resistant composite belt. Fifthly, the armor layer 6 is a copper alloy wire or a copper alloy belt and is in a layer structure formed by interlocking armoring. The outer protective layer 7 is made of halogen-free low-smoke flame-retardant polyolefin material, and the material is a modified customized material added with a component containing a rat-proof and ant-proof repellent agent, so that rats and ants can be effectively repelled.

Through the structure design, the utility model has the advantages of: 1. the rat-proof and ant-proof repellent ingredient is added, so that a good rat-proof and ant-proof effect can be realized, and the cable can be prevented from being damaged by rats and ants; 2. a large amount of halogen-free low-smoke flame-retardant materials are adopted, so that the effect of environmental protection can be achieved.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims (4)

1. A rat-proof and termite-proof cable is characterized by comprising:

the cable comprises main cable cores, wherein each main cable core comprises a conductor (1), a first insulating layer (2) and a second insulating layer (3) which are sequentially arranged from inside to outside, the conductor is a tinned annealed copper conductor, the first insulating layer and the second insulating layer are formed by double-layer co-extrusion of an irradiation cross-linking halogen-free low-smoke flame-retardant polyolefin material, the number of the main cable cores is three, the three main cable cores are closely attached, and a filling layer (4) is arranged on the outer side of all the main cable cores and a cable main body with a circular cross section is formed;

the outer protective layer faces outwards from the outer side face of the cable main body and sequentially comprises an isolation layer (5), an armor layer (6) and an outer protective layer (7);

the outer protective layer is a layer structure made of a halogen-free low-smoke flame-retardant polyolefin material modified by components containing the rat-proof and ant-proof repellent agent.

2. The rat-proof and termite-proof cable according to claim 1,

the filling layer is a layer structure made of halogen-free low-smoke flame-retardant polyolefin material;

the isolation layer is a layer structure made of halogen-free low-smoke flame-retardant polyolefin material.

3. The rat-proof and termite-proof cable according to claim 1,

the filling layer is a layer structure made of halogen-free low-smoke flame-retardant polyolefin material;

the isolation layer is a layer structure formed by wrapping a ceramic fireproof and fireproof composite tape.

4. The rat-proof and termite-proof cable according to any one of claims 1 to 3,

the armor layer is a layer structure formed by copper alloy wires or copper alloy belts through interlocking armoring.

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