CN206097990U

CN206097990U - Termite -proof cable

Info

Publication number: CN206097990U
Application number: CN201621103688.7U
Authority: CN
Inventors: 李海龙
Original assignee: Guizhou Moral Live Wire Cables Manufacturing Co Ltd
Current assignee: Guizhou Moral Live Wire Cables Manufacturing Co Ltd
Priority date: 2016-10-08
Filing date: 2016-10-08
Publication date: 2017-04-12
Anticipated expiration: 2026-10-08

Abstract

The utility model discloses a belong to wire and cable technical field, concretely relates to termite -proof cable. Conductor and the insulating layer of cladding outside the conductor that this termite -proof cable formed including the hank system, insulating layer adopt the crosslinked polyolefin material of low smoke and zero halogen, and the outside cover of insulating layer is equipped with the FRP pipe cover, be equipped with the filling layer between conductor and the insulating layer, be equipped with the helminthogogue layer between insulating layer and the FRP pipe cover. This termite -proof cable, it is effectual to prevent not only that the termite moth from losing, still economy, environmental protection. The FRP pipe cover that sets up, it is strong that it has a resistance to compression reinforce, light in weight, corrosion resisting property, and hardness is high, can prevent effectively that the termite from gnawing to sting, eat into and lose to low in manufacturing cost, economy. The helminthogogue layer that sets up utilizes has the capsaicin insecticidal, and there is not the disadvantage of medicine type additive in the expelling parasite toxicological harmless, belongs to environment -friendly products.

Description

Anti-termite cable

Technical field

This utility model patent belongs to technical field of electric wires and cables, and in particular to a kind of anti-termite cable.

Background technology

With developing rapidly for China's modernization construction, cable undergroundization is into inexorable trend.Using buried power cable Overhead line is replaced there are many advantages, such as transmit electricity stable, safe and reliable, saving metal and timber.But buried plastic cable is normal Eat by Coptotermes formosanus Shtrari. moth.The oversheath of wherein plastic insulated cable is subjected to the problem of biological damage and also seems and becomes increasingly conspicuous.Coptotermes formosanus Shtrari. energy handle Cable sheath is gnawed through, and makes cable insulation make moist, and insulation resistance declines, and so as to cause single-line to ground fault, or even sets off an explosion, and makes There is permanent fault in cable run.There are many anti-termite cables at present, mainly there is chemicalses type cable and physical protection set Type, although termite-proof can bite, but there is also certain defect.If chemicalses type cable is to add one in cable sheath material Determine the dosage medicine for killing effect poisonous to Coptotermes formosanus Shtrari., such as dieldrin, Niran and heptachlor, but its harmful species can be right Soil and water are polluted.One kind is to manufacture highdensity polrvinyl chloride or pe sheath in Exterior cable, makes Coptotermes formosanus Shtrari. bite It is motionless, this scheme but easily realize on small bore cable, but for electric cable with large cross-section, need to extrusion tooling mould Process modification, manufacturing cost is higher.Therefore need one kind to prevent Coptotermes formosanus Shtrari. cable, not only prevent Coptotermes formosanus Shtrari. moth erosion effect good, also economical, Environmental protection.

Utility model content

This utility model is directed to the deficiencies in the prior art, there is provided a kind of anti-termite cable, not only prevents Coptotermes formosanus Shtrari. moth erosion effect It is good, also economic, environmental protection.

What the technical solution of the utility model was realized in：Conductor and cladding of the anti-termite cable including process Insulating barrier outside conductor, it is characterised in that described insulating barrier adopts the crosslinked polyolefin materials of low smoke and zero halogen, the insulation Layer outer cover is equipped with fiberglass pipe box；Packed layer is provided between the conductor and insulating barrier, between insulating barrier and fiberglass pipe box It is provided with anthelmintic layer.

Capsaicin is filled with the anthelmintic layer.

Described its thickness of fiberglass pipe box is not less than 1.5mm, and its surface shore hardness is not less than D65.

The conductor presses copper core using multiply or thread core of aluminum is made, and its cross sectional shape is circular configuration.

Flame-proof PVC bar is filled with the packed layer.

Insulating barrier electrical conductivity≤10 μ the S/mm, content of halogen≤0.1%.

This utility model solves defect present in background technology, has the advantages that：

The anti-termite cable, not only prevents Coptotermes formosanus Shtrari. moth erosion effect good, also economic, environmental protection.The fiberglass pipe box of setting its tool Have that compressive resistance is strong, lightweight, decay resistance strong, hardness is high, can effectively prevent Coptotermes formosanus Shtrari. from biting, eat into erosion, and low cost of manufacture, It is economical.Using there is capsaicin parasite killing, anthelmintic nonhazardouss, the disadvantage that there is no medicine type additive belongs to the anthelmintic layer of setting Environment-friendly products.Insulating barrier is greatly improved the ageing-resistant performance of material, creep-resistant property, environment resistant and is opened by crosslinking process Fragility energy, thermal deformation resistant performance and mechanical performance, even if the insulation resistance that also will not make of making moist is significantly reduced, have thoroughly prevented electric leakage Possibility.

Description of the drawings

Fig. 1 is structural representation of the present utility model；

In figure：1- conductors, 2- packed layers, 3- insulating barriers, 4- anthelmintic layers, 5- fiberglass pipe boxes.

Specific embodiment

Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of this utility model, rather than whole Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment for being obtained, belongs to the scope of this utility model protection.

Anti-termite cable as shown in Figure 1, including the conductor 1 of process and the insulating barrier 3 being coated on outside conductor 1, absolutely Edge layer 3 adopts the crosslinked polyolefin materials of low smoke and zero halogen；Anthelmintic layer 4 and fiberglass pipe box 5 are additionally provided with outside insulating barrier 3.Glass The good physical performance of glass steel, low cost, service life is more than 50 years.The suit attended operation method of fiberglass pipe box is simpler It is single, it is easy to operation.Packed layer 2 is provided between conductor 1 and insulating barrier 3.Capsaicin is filled with anthelmintic layer 4.Fiberglass pipe box 5 Its thickness is not less than 1.5mm, and its surface shore hardness is not less than D65.Conductor 1 presses copper core or thread core of aluminum system using multiply Into its cross sectional shape is circular configuration.Flame-proof PVC bar is filled with packed layer 2.Electrical conductivity≤10 μ the S/mm of insulating barrier 3, halogen Content≤0.1%.

This utility model implementation process is：Fiberglass pipe box 5 is set outside insulating barrier 3, Coptotermes formosanus Shtrari. moth erosion can be effectively prevented. Fiberglass is a kind of new composite material tube, and it is not composited with glass fibre with resin based on as reinforcing material, and not Its compressive resistance of saturated resin molding bonded is strong, lightweight, decay resistance strong, and hardness is high, can effectively prevent Coptotermes formosanus Shtrari. from biting, eating into Erosion.Using there is capsaicin parasite killing, anthelmintic nonhazardouss, the disadvantage that there is no medicine type additive belongs to ring to the anthelmintic layer 4 of setting Protect product.Insulating barrier 3 is low smoke and zero halogen cross-linked polyolefin, it is ensured that product has remarkable combustion characteristics and mechanical performance.Insulation Layer 3 is transformed into tridimensional network, greatly improves material by crosslinking process, the molecular structure for making polyethylene straight-chain Ageing-resistant performance, creep-resistant property, environment resistant cracking performance, thermal deformation resistant performance and mechanical performance, electrical property is then basically unchanged, It is achieved thereby that the long-life characteristics of electric wire.

Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit this utility model Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc. should be included in this utility model Protection domain within.

Claims

1. a kind of conductor (1) of anti-termite cable, including process and conductor (1) insulating barrier (3) outward, its feature are coated on Be, described insulating barrier (3) using low smoke and zero halogen crosslinked polyolefin materials, insulating barrier (3) outer cover is equipped with glass Steel pipe socket (5)；Be provided with packed layer (2) between the conductor (1) and insulating barrier (3), insulating barrier (3) and fiberglass pipe box (5) it Between be provided with anthelmintic layer (4).

2. anti-termite cable according to claim 1, it is characterised in that：Capsaicin is filled with the anthelmintic layer (4).

3. anti-termite cable according to claim 1 and 2, it is characterised in that：Described its thickness of fiberglass pipe box (5) is not little In 1.5mm, its surface shore hardness is not less than D65.

4. anti-termite cable according to claim 3, it is characterised in that：The conductor (1) presses copper core using multiply Or thread core of aluminum is made, its cross sectional shape is circular configuration.

5. anti-termite cable according to claim 4, it is characterised in that：Flame-proof PVC is filled with the packed layer (2) Bar.

6. anti-termite cable according to claim 5, it is characterised in that：Insulating barrier (3) electrical conductivity≤10 μ S/mm, Content of halogen≤0.1%.