CN209149861U - A kind of fire resistant electric wire - Google Patents

Abstract

The utility model discloses a kind of fire resistant electric wires, including twisted copper conductors, the surrounding of the twisted copper conductors outer surface is fixedly connected to packing material, the outer sheath of the packing material is equipped with insulating layer, the outer surface of the insulating layer is wound with copper sheath, the copper sheath is provided with thermal insulation layer far from the side of insulating layer, and the thermal insulation layer is provided with high-temperature-resistant layer far from the side of copper sheath, and the high-temperature-resistant layer is arranged with fire resisting sheath far from the side of thermal insulation layer.The utility model passes through the setting of twisted copper conductors, packing material, insulating layer, copper sheath, thermal insulation layer, high-temperature-resistant layer, fire resisting sheath and fireproof coating, not only solve the performance and quality problems of electric wire entirety, the fire protecting performance for solving traditional electric wire simultaneously is poor, high temperature resistance is also not excellent enough simultaneously, when encountering high temperature or fire conditions, the problem of will cause extreme loss, the fire resistant electric wire, having can high temperature resistant and the good advantage of fire protecting performance.

Description

A kind of fire resistant electric wire

Technical field

The utility model relates to Power-line technology field, specially a kind of fire resistant electric wire.

Background technique

Electric wire refers to the conducting wire of transmission electric energy, divides bare wire, electromagnetic wire and insulated wire, bare wire does not have insulating layer, including copper, aluminium Horizontal line, overhead stranded conductor and various profiles (such as molded line, bus, copper bar, aluminium row), it is mainly used for outdoor aerial and indoor remittance Stream row and switch-box, electromagnetic wire generate magnetic field or incude the insulated conductor for generating electric current in magnetic field after being switched on, it is mainly used In motor and transformer pitch of the laps and other in relation to electromagnetic equipment, conductor is mainly copper wire, should there is thin insulating layer and good Good electricapparatus performance and the performances such as heat-resisting, moisture-proof, solvent resistant, selects different insulating materials to can get different spies Property.

Electric wire in use, can encounter various unfavorable environmental factors, and will in electric wire electricity transmission process itself Heat is generated, just needs electric wire to have some properties at this time, but the fire protecting performance of traditional electric wire is poor, while high temperature resistant Performance is also not excellent enough, when encountering high temperature or fire conditions, will cause extreme loss, propose thus it is a kind of can high temperature resistant and fire prevention Performance good electric wire solves the problems, such as this.

Utility model content

The purpose of this utility model is to provide a kind of fire resistant electric wire, has energy high temperature resistant and fire protecting performance is good Advantage, the fire protecting performance for solving traditional electric wire is poor, while high temperature resistance is also not excellent enough, encounters high temperature or fire conditions When, the problem of will cause extreme loss.

To achieve the above object, the utility model provides the following technical solutions: a kind of fire resistant electric wire, including twisted Copper conductor, the surrounding of the twisted copper conductors outer surface are fixedly connected to packing material, are arranged on the outside of the packing material There is insulating layer, the outer surface of the insulating layer is wound with copper sheath, and the copper sheath is provided with heat-insulated far from the side of insulating layer Layer, the thermal insulation layer are provided with high-temperature-resistant layer far from the side of copper sheath, and the high-temperature-resistant layer is arranged far from the side of thermal insulation layer There is fire resisting sheath, the outer surface of the fire resisting sheath is coated with fireproof coating.

Preferably, the material of the packing material is inorfil, and the insulating layer is inorganic insulating material.

Preferably, the high-temperature-resistant layer includes silicon rubber, and the silicon rubber is ethylene methacrylic silicon rubber, the silicon rubber Outside is provided with refractory glass fibre, and the refractory glass fibre is provided with ceramic fibre far from the side of silicon rubber, institute It states ceramic fibre and the side of refractory glass fibre is provided with polyphenyl imidazoles fiber.

Preferably, the material of the fire resisting sheath is low-smoke halide-free fireproof composite polyolefine material.

Preferably, the fireproof coating includes chlorinated paraffin, fire-proof additive and epoxy solvent-free fireproof coating, described anti- Fiery additive is located at the outside of chlorinated paraffin, and the epoxy solvent-free fireproof coating is located at the outside of fire-proof additive.

Compared with prior art, the beneficial effects of the utility model are as follows:

1, the utility model passes through twisted copper conductors, packing material, insulating layer, copper sheath, thermal insulation layer, high-temperature-resistant layer, resistance to The setting of fiery sheath and fireproof coating, not only solves the performance and quality problems of electric wire entirety, while solving traditional electric wire Fire protecting performance it is poor, while high temperature resistance is also not excellent enough, when encountering high temperature or fire conditions, will cause extreme loss Problem, the fire resistant electric wire, have can high temperature resistant and the good advantage of fire protecting performance, be worthy to be popularized.

2, the utility model is significantly characterized in high-temperature stability by the setting of silicon rubber, although silicon rubber under room temperature The intensity of glue is only the half of natural rubber or certain synthetic rubber, but under 200 degrees Celsius or more of hot environment, it is still It is able to maintain certain flexibility, resilience and surface hardness, and mechanical property passes through refractory glass fibre without significant change Setting, its advantage is that heat resistance is strong, corrosion resistance is good, high mechanical strength, tensile property is superior, while it also has excellent electricity Insulating properties is advanced electrically insulating material, and by the setting of ceramic fibre, it has high temperature resistant, resistant to chemical etching, heat-resisting punching Hit, the performances such as low thermal conductivity, high electric insulation intensity and high elastic modulus, by the setting of polyphenyl imidazoles fiber, it have compared with Good high temperature resistance, by the setting of chlorinated paraffin, it has preferable fire-retardant persistence as increment type fire retardant, and simultaneous There is moisture-proof antistatic anti-softening anti-deflation low volatility, passes through the setting of fire-proof additive and epoxy solvent-free fireproof coating, energy It is enough further to prevent fires outside electric wire, achieve the purpose that fire-retardant.

Detailed description of the invention

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is the cross-sectional view of the structure of the utility model high-temperature-resistant layer；

Fig. 3 is the cross-sectional view of the structure of the utility model fireproof coating.

In figure: 1 twisted copper conductors, 2 packing materials, 3 insulating layers, 4 copper sheaths, 5 thermal insulation layers, 6 high-temperature-resistant layers, 601 silicon rubbers Glue, 602 refractory glass fibres, 603 ceramic fibres, 604 polyphenyl imidazoles fibers, 7 fire resisting sheaths, 8 fireproof coatings, 801 chlorinations Paraffin, 802 fire-proof additives, 803 epoxy solvent-free fireproof coatings.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Please refer to Fig. 1-3, a kind of fire resistant electric wire, including twisted copper conductors 1, the four of 1 outer surface of twisted copper conductors It is fixedly connected to packing material 2 week, the outer sheath of packing material 2 is equipped with insulating layer 3, and the outer surface of insulating layer 3 is wound with copper Sheath 4, copper sheath 4 are provided with thermal insulation layer 5 far from the side of insulating layer 3, and thermal insulation layer 5 is provided with resistance to far from the side of copper sheath 4 Heat zone 6, high-temperature-resistant layer 6 are arranged with fire resisting sheath 7 far from the side of thermal insulation layer 5, and the outer surface of fire resisting sheath 7 is coated with fire prevention Coating 8, the material of packing material 2 are inorfil, and insulating layer 3 is inorganic insulating material, and high-temperature-resistant layer 6 includes silicon rubber 601, Silicon rubber 601 is ethylene methacrylic silicon rubber, and the outside of silicon rubber 601 is provided with refractory glass fibre 602, and pyroceram is fine 602 sides far from silicon rubber 601 of dimension are provided with ceramic fibre 603, and ceramic fibre 603 is far from refractory glass fibre 602 Side is provided with polyphenyl imidazoles fiber 604, and the material of fire resisting sheath 7 is low-smoke halide-free fireproof composite polyolefine material, and fireproof coating 8 wraps Chlorinated paraffin 801, fire-proof additive 802 and epoxy solvent-free fireproof coating 803 are included, fire-proof additive 802 is located at chlorinated paraffin 801 outside, epoxy solvent-free fireproof coating 803 are located at the outside of fire-proof additive 802, by the setting of silicon rubber 601, Significantly it is characterized in high-temperature stability, although the intensity of silicon rubber 601 is only natural rubber or certain synthetic rubber under room temperature Half, but under 200 degrees Celsius or more of hot environment, it is still able to maintain certain flexibility, resilience and surface hardness, And mechanical property is without significant change, by the setting of refractory glass fibre 602, its advantage is that heat resistance is strong, corrosion resistance is good, High mechanical strength, tensile property is superior, while it also has excellent electrical insulating property, is advanced electrically insulating material, passes through pottery The setting of porcelain fiber 603, it has high temperature resistant, resistant to chemical etching, heat shock resistance, low thermal conductivity, high electric insulation intensity and height The performances such as elasticity modulus, by the setting of polyphenyl imidazoles fiber 604, it has preferable high temperature resistance, passes through chlorinated paraffin 801 setting, it has preferable fire-retardant persistence as increment type fire retardant, and has moisture-proof antistatic anti-softening anti-deflation concurrently Low volatility can be further outside electric wire by the setting of fire-proof additive 802 and epoxy solvent-free fireproof coating 803 Prevent fires, achieve the purpose that it is fire-retardant, by twisted copper conductors 1, packing material 2, insulating layer 3, copper sheath 4, thermal insulation layer 5, resistance to The setting of heat zone 6, fire resisting sheath 7 and fireproof coating 8 not only solves the performance and quality problems of electric wire entirety, solves simultaneously Determined traditional electric wire fire protecting performance it is poor, while high temperature resistance is also not excellent enough, when encountering high temperature or fire conditions, can make The problem of at extreme loss, the fire resistant electric wire, have can high temperature resistant and the good advantage of fire protecting performance, be worthy to be popularized.

In use, passing through twisted copper conductors 1, packing material 2, insulating layer 3, copper sheath 4, thermal insulation layer 5, high-temperature-resistant layer 6, resistance to The setting of fiery sheath 7 and fireproof coating 8 so that electric wire have can high temperature resistant and the good advantage of fire protecting performance, not only solve electricity The performance and quality problems of line entirety, while the fire protecting performance for solving traditional electric wire is poor, while high temperature resistance is also inadequate It is excellent, when encountering high temperature or fire conditions, the problem of will cause extreme loss.

In summary: the fire resistant electric wire, by twisted copper conductors 1, packing material 2, insulating layer 3, copper sheath 4, Thermal insulation layer 5, high-temperature-resistant layer 6, fire resisting sheath 7 and fireproof coating 8 are used cooperatively, solve the fire protecting performance of traditional electric wire compared with Difference, while high temperature resistance is also not excellent enough, when encountering high temperature or fire conditions, the problem of will cause extreme loss.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (5)

1. a kind of fire resistant electric wire, including twisted copper conductors (1), it is characterised in that: twisted copper conductors (1) outer surface Surrounding be fixedly connected to packing material (2), the outer sheath of the packing material (2) is equipped with insulating layer (3), the insulating layer (3) outer surface is wound with copper sheath (4), and the copper sheath (4) is provided with thermal insulation layer (5), institute far from the side of insulating layer (3) It states thermal insulation layer (5) to be provided with high-temperature-resistant layer (6) far from the side of copper sheath (4), the high-temperature-resistant layer (6) is far from thermal insulation layer (5) Side be arranged with fire resisting sheath (7), the outer surface of the fire resisting sheath (7) is coated with fireproof coating (8).

2. a kind of fire resistant electric wire according to claim 1, it is characterised in that: the material of the packing material (2) For inorfil, the insulating layer (3) is inorganic insulating material.

3. a kind of fire resistant electric wire according to claim 1, it is characterised in that: the high-temperature-resistant layer (6) includes silicon Rubber (601), the silicon rubber (601) are ethylene methacrylic silicon rubber, are provided with high temperature resistant glass on the outside of the silicon rubber (601) Glass fiber (602), the refractory glass fibre (602) are provided with ceramic fibre (603) far from the side of silicon rubber (601), The ceramic fibre (603) is provided with polyphenyl imidazoles fiber (604) far from the side of refractory glass fibre (602).

4. a kind of fire resistant electric wire according to claim 1, it is characterised in that: the material of the fire resisting sheath (7) For low-smoke halide-free fireproof composite polyolefine material.

5. a kind of fire resistant electric wire according to claim 1, it is characterised in that: the fireproof coating (8) includes chlorine Fossil waxes (801), fire-proof additive (802) and epoxy solvent-free fireproof coating (803), the fire-proof additive (802) are located at The outside of chlorinated paraffin (801), the epoxy solvent-free fireproof coating (803) are located at the outside of fire-proof additive (802).