CN210443318U

CN210443318U - Environment-friendly high-temperature-resistant waterproof electric wire

Info

Publication number: CN210443318U
Application number: CN201921416971.9U
Authority: CN
Inventors: 孙超南; 臧文丙; 刘金利
Original assignee: Guangdong Huayang Cable Industry Co Ltd
Current assignee: Guangdong Huayang Cable Industry Co Ltd
Priority date: 2019-08-29
Filing date: 2019-08-29
Publication date: 2020-05-01
Anticipated expiration: 2029-08-29

Abstract

The utility model discloses a high temperature resistant waterproof electric wire of environment-friendly has set gradually from inside to outside: the utility model discloses a stranded tinned copper conductor, fill the yarn that blocks water between stranded tinned copper conductor gap, the cladding is at the fire resistant mica layer of stranded tinned copper conductor outer lane, around the package in the outer band layer that blocks water of stranded tinned copper conductor, crowded package in block outer interior waterproof layer of water band, the cladding is insulating layer outside interior waterproof layer and outer crowded package outer waterproof layer outside the insulating layer, the utility model discloses a multilayer cladding of different materials can guarantee that the electric wire is safe in utilization, and the material that provides is a do not have steamed, low cigarette, high temperature resistant, waterproof environment-friendly high temperature resistant waterproof wire, can wide application in building fields such as civil construction, commercial building, enterprise and public institution building, convenience safe in utilization.

Description

Environment-friendly high-temperature-resistant waterproof electric wire

Technical Field

The utility model relates to a wire and cable technical field especially relates to a high temperature resistant waterproof wire of environment-friendly.

Background

The wire and cable in the civil field are mainly used for meeting the requirements of home decoration, electric appliances, decoration and illumination and the like. (ii) a With the continuous improvement of economic level, the requirements of people on environmental protection and safety are higher and higher, and the household electric wire products are gradually developed towards the direction of halogen-free low-smoke environmental protection. However, the inherent moisture absorption performance of the existing halogen-free low-smoke material causes the extremely poor moisture resistance of the environment-friendly electric wire, if the product is exposed in a humid environment for a long time, the electrical performance of the product can be rapidly reduced, and meanwhile, moisture enters the interior of the product, so that the rapid oxidation of a conductor is caused, and the hidden danger is generated for the personal safety and property safety. The performances of the electric wire products for decoration in the aspects of cleanness, environmental protection, high temperature resistance, water resistance and the like are improved by combining the market development prospect and the related requirements of the humid environment in the field of buildings, and the improvement of the environment-friendly high temperature resistance waterproof electric wire is urgent. At present, the design of domestic environment-friendly household electric wires is only limited to meeting the environmental protection performance of the household electric wires, the requirements of certain humid use environments on the product performance are not considered, and in addition, the technical levels of various manufacturers are different, and the technical levels of most manufacturers cannot meet the technical requirements of the environmental protection waterproof performance, so that many manufacturers cannot design and produce environment-friendly high-temperature resistant waterproof electric wire products meeting the technical requirements.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a do not have steamed, low cigarette, high temperature resistant, waterproof environment-friendly high temperature resistant waterproof electric wire is provided, can wide application in building fields such as civil construction, commercial building, enterprise and public institution building, convenience safe in utilization.

In order to solve the technical problem, the technical solution of the utility model is that:

the utility model provides an environment-friendly high temperature resistant waterproof electric wire, has set gradually from inside to outside: the stranded tinned copper conductor comprises a stranded tinned copper conductor, water-blocking yarns filled between gaps of the stranded tinned copper conductor, a fire-resistant mica layer coated on the outer ring of the stranded tinned copper conductor, a water-blocking belting layer wrapped outside the stranded tinned copper conductor, an inner waterproof layer extruded outside the water-blocking belting, an insulating layer coated outside the inner waterproof layer and an outer waterproof layer extruded outside the insulating layer, wherein the insulating layer is made of a cross-linked polyolefin material, and the water-blocking belting layer is formed by overlapping and wrapping an ultrathin water-blocking belt outside the stranded tinned copper conductor.

Furthermore, the stranded tinned copper conductor is formed by stranding seven tinned oxygen-free copper wires.

Furthermore, the cross-linked polyolefin material is prepared by an irradiation cross-linking process through electron beam irradiation cross-linking equipment.

Furthermore, the inner waterproof layer and the outer waterproof layer are made of high-density polyethylene materials.

Furthermore, the inner waterproof layer is extruded and wrapped on the water blocking belt in the clockwise direction.

Furthermore, the outer waterproof layer is extruded and wrapped outside the insulating layer in the anticlockwise direction.

The utility model has the advantages that:

1. the twisted tinned copper conductor is formed by twisting seven tinned copper wires, the structure is more stable, the appearance is smooth and round, and meanwhile, the tinned copper wires are adopted, so that the oxidation resistance and the corrosion resistance of the conductor are effectively improved;

2. the utility model can effectively prevent horizontal moisture and humidity from invading the conductor and potential safety hazard of the product by filling the water-blocking yarn between the conductor gaps, and can effectively prevent radial moisture and humidity from invading the conductor and potential safety hazard of the product by overlapping the water-blocking wrapping belt outside the conductor;

3. the utility model discloses well inlayer waterproof layer and outer waterproof layer adopt high density polyethylene material, closely crowded package is outside water blocking bag, have not only ensured the water blocking performance of product, have still improved the electrical property, mechanical properties and the high temperature resistance performance of product simultaneously, and through the crowded package mode of inlayer waterproof layer and outer waterproof layer opposite direction, can prevent that the outer of electric wire from droing, stable in structure has avoided the transposition tin-plated copper conductor to expose, has improved the security;

4. the middle insulation of the utility model adopts aging-resistant low-smoke halogen-free flame-retardant irradiation cross-linked polyolefin insulation material, which not only has excellent flame-retardant property and environmental protection performance, but also has halogen-free, low-smoke clean environmental protection performance, and simultaneously promotes the temperature-resistant grade of the product;

5. the utility model discloses a set up fire-resistant mica layer in transposition tin-plated copper conductor outer lane, improved high temperature resistance.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

in the figure: 1-stranding a tin-plated copper conductor, 2-water-blocking yarn, 3-fire-resistant mica layer, 4-water-blocking belting layer, 5-inner waterproof layer, 6-insulating layer and 7-outer waterproof layer;

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. It should be noted that the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

The utility model discloses an environment-friendly high temperature resistant waterproof electric wire, as shown in figure 1,

the device is sequentially provided with: the stranded tinned copper conductor comprises a stranded tinned copper conductor 1, water-blocking yarns 2 filled in gaps of the stranded tinned copper conductor 1, a fire-resistant mica layer 3 coated on the outer ring of the stranded tinned copper conductor 1, a water-blocking belting layer 4 wrapped outside the stranded tinned copper conductor 1, an inner waterproof layer 5 extruded outside the water-blocking belting, an insulating layer 6 coated outside the inner waterproof layer 5 and an outer waterproof layer 7 extruded outside the insulating layer 6, wherein the insulating layer 6 is made of a cross-linked polyolefin material, and the water-blocking belting is formed by overlapping and wrapping ultrathin water outside the stranded tinned copper conductor 1, and is tightly and flatly wrapped without leakage and wrinkling.

Preferably, the stranded tin-plated copper conductor 1 is formed by stranding seven tinned oxygen-free copper wires, the conductor plating layer is uniform, the plating leakage phenomenon is avoided, and the surface of the conductor layer is smooth and clean and has no burrs or oil stains.

Preferably, the cross-linked polyolefin material is prepared by an irradiation cross-linking process through electron beam irradiation cross-linking equipment. The cross-linked polyolefin material has aging-resistant low-smoke halogen-free flame retardant property, and can improve the safety performance of the wire. The cross-linking process is to make the polyolefin material pass through a specific processing mode to form the cross-linked polyolefin with a body-type mesh branching structure, so that the working temperature is allowed to be increased to 90 ℃ (or higher) from 70 ℃ for a long time, and the short circuit allowable temperature is increased to 250 ℃ (or higher) from 140 ℃, thereby greatly improving the high temperature resistance.

Preferably, the inner waterproof layer 5 and the outer waterproof layer 7 are made of high-density polyethylene materials, are tightly and completely extruded and wrapped, and prevent the outer layer of the electric wire from falling off.

Preferably, the inner waterproof layer 5 is extruded and wrapped on the water blocking belt in a clockwise direction.

Preferably, the outer waterproof layer 7 is extruded outside the insulating layer 6 in a counterclockwise direction.

The utility model discloses a yarn 2 that blocks water adopts the expanding material that absorbs water, and linear density is 500. The utility model discloses a fire resistant mica layer 3 adopt two-sided synthetic fire resistant mica tape.

The utility model discloses a multilayer cladding of different materials can guarantee that transposition tin-plated copper conductor does not expose in the air, and the material that provides is a do not have steamed, low cigarette, high temperature resistant, waterproof environment-friendly high temperature resistant waterproof electric wire moreover, can wide application in building fields such as civil construction, commercial building, enterprise and public institution building, convenience safe in utilization.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that all changes and modifications made according to the claims and the specification of the present invention should fall within the scope covered by the present invention.

Claims

1. The utility model provides a high temperature resistant waterproof electric wire of environment-friendly which characterized in that has set gradually from inside to outside: the stranded tinned copper conductor comprises a stranded tinned copper conductor, water-blocking yarns filled between gaps of the stranded tinned copper conductor, a fire-resistant mica layer coated on the outer ring of the stranded tinned copper conductor, a water-blocking belting layer wrapped outside the stranded tinned copper conductor, an inner waterproof layer extruded outside the water-blocking belting, an insulating layer coated outside the inner waterproof layer and an outer waterproof layer extruded outside the insulating layer, wherein the insulating layer is made of a cross-linked polyolefin material, and the water-blocking belting layer is formed by overlapping and wrapping an ultrathin water-blocking belt outside the stranded tinned copper conductor.

2. The environment-friendly high temperature resistant waterproof wire according to claim 1, characterized in that: the stranded tinned copper conductor is formed by stranding seven tinned oxygen-free copper wires.

3. The environment-friendly high temperature resistant waterproof wire according to claim 1, characterized in that: the cross-linked polyolefin material is prepared by an irradiation cross-linking process through electron beam irradiation cross-linking equipment.

4. The environment-friendly high temperature resistant waterproof wire according to claim 1, characterized in that: the inner waterproof layer and the outer waterproof layer are made of high-density polyethylene materials.

5. The environment-friendly high temperature resistant waterproof wire of claim 4, wherein: the inner waterproof layer is extruded and wrapped on the water blocking belt in the clockwise direction.

6. The environment-friendly high temperature resistant waterproof wire of claim 4, wherein: the outer waterproof layer is extruded outside the insulating layer in the anticlockwise direction.