CN210777920U

CN210777920U - Novel high-end high temperature resistant electric wire

Info

Publication number: CN210777920U
Application number: CN201921830611.3U
Authority: CN
Inventors: 陈世文
Original assignee: Guangdong Jinpai Cable Co ltd
Current assignee: Guangdong Golden Cable Group Co ltd
Priority date: 2019-10-29
Filing date: 2019-10-29
Publication date: 2020-06-16
Anticipated expiration: 2029-10-29

Abstract

The utility model relates to an electric power electric wire technical field specificly discloses a novel high-end high temperature resistant electric wire, including central conductor. The central conductor is provided with a plurality of and even buries underground in the inside of insulating filling layer, and fire-retardant layer, first glass fiber layer and polyvinyl chloride layer have set gradually from inside to outside in the outside of insulating filling layer, and the setting on first glass fiber layer has played fine high temperature resistant effect, avoids the central conductor to receive high temperature damage. The polyvinyl chloride layer is arranged to separate the electric wire from the external environment to form an insulating environment. The flame-retardant layer comprises warp and weft which are in cross connection with each other, and the weft is provided with three and uniformly distributed on the warp. The flame-retardant layer is arranged to play a good flame-retardant role, and meanwhile, the electric wire is prevented from being bent to cause electric wire damage. The utility model discloses the advantage: simple structure, good high temperature resistance effect, small interference, good flame retardance and convenient implementation and popularization.

Description

Novel high-end high temperature resistant electric wire

Technical Field

The utility model relates to an electric power electric wire technical field specifically is a novel high-end high temperature resistant electric wire.

Background

With the rapid development of science and technology and social economy, the industrial level is continuously improved, and higher requirements are put forward on the quality, performance and safety of wire and cable products. The wire is a conductive medium and is widely applied to various fields of petrochemical industry, computers, national defense and the like. The electric wire is generally a rope-like electric wire formed by twisting a plurality of or a plurality of groups of leads (at least two leads in each group), each group of leads are mutually insulated and are usually twisted around a center, a highly insulated covering layer is wrapped outside the whole electric wire, the flame-retardant high-temperature resistance of the common electric wire is very poor, toxic gas can be released when the electric wire is operated at a high temperature for a long time, sometimes the temperature is too high, the ignition point of a material is reached, the normal power transmission function is influenced, and the use limitation is caused under certain conditions.

Chinese patent (publication No. CN 105719738A, publication No. 2016.06.29) discloses a high-temperature-resistant insulated wire, which consists of two conductor wire cores, a silver-plated aluminum metal hose and five outer protective layers. Five outer protective layers are cross-linked polyethylene insulating layer, tin-plated nickel strap armor, chlorosulfonated ethylene propylene restrictive coating and silver-plated aluminum strip armor restrictive coating from inside to outside in proper order, and two kinds of conductor sinle silks are tin-plated nickel conductor sinle silk and silver-plated annealing copper conductor sinle silk respectively, respectively set up two sets ofly, all evenly are equipped with inside cross-linked polyethylene insulating layer, the conductor in the tin-plated nickel conductor sinle silk is equipped with seven, the conductor in the silver-plated annealing copper conductor sinle silk is equipped with seven, silver-plated aluminum metal hose parcel is between two sets of tin-plated nickel conductor sinle silks and is worn into their outmost. The cable plays a good high-temperature resistant role, but the flame retardant capability of the wire is insufficient, the flexibility is not good, and the popularization and the implementation are not facilitated.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel high-end high temperature resistant electric wire to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a novel high-end high-temperature-resistant wire comprises a central conductor, an insulating filling layer, a first glass fiber layer and a polyvinyl chloride layer. The central conductor is provided with a plurality of and even buries underground in the inside of insulating filling layer, and fire-retardant layer, first glass fiber layer and polyvinyl chloride layer have set gradually from inside to outside in the outside of insulating filling layer, and the setting on first glass fiber layer has played fine high temperature resistant effect, avoids the central conductor to receive high temperature damage. The polyvinyl chloride layer is arranged to separate the electric wire from the external environment to form an insulating environment.

The flame-retardant layer comprises warp and weft which are in cross connection with each other, and the weft is provided with three and uniformly distributed on the warp. The flame-retardant layer is arranged to play a good flame-retardant role, and meanwhile, the electric wire is prevented from being bent to cause electric wire damage.

As a further aspect of the present invention: the outside on fire-retardant layer is provided with the waterproof layer, through the setting of waterproof layer, can play waterproof effect, avoids the electric wire short circuit in aqueous, leads to the emergence of electric leakage phenomenon.

As a further aspect of the present invention: the central conductor comprises a conductive wire core, a second glass fiber layer and a mica tape layer, the second glass fiber layer and the mica tape layer are arranged to better play a thermal insulation role, and the electric wire is prevented from being damaged by heating.

As a further aspect of the present invention: the flame-retardant layer is woven by aramid fiber materials.

As a further aspect of the present invention: the outside of conductive core is provided with the shielding layer, and the shielding layer is made by semi-conductive plastics, through the setting of shielding layer, can improve cable initial discharge voltage, avoids external disturbance.

Compared with the prior art, the beneficial effects of the utility model are that: first glass fiber layer and second glass fiber layer and mica band layer set up better playing thermal-insulated effect, avoid the electric wire to be heated and damage, promoted electric wire high temperature resistance ability greatly. The fire-retardant layer includes warp and weft, warp and weft intercrossing connection, and weft is provided with three and even distribution on warp, and the setting on fire-retardant layer has played fire-retardant effect well, avoids the electric wire to buckle simultaneously and causes the electric wire to damage, has fine pliability. Through the setting of shielding layer, can improve the cable initial discharge voltage, avoid external interference. The utility model discloses the advantage: simple structure, good high temperature resistance effect, small interference, good flame retardance and convenient implementation and popularization.

Drawings

Fig. 1 is a schematic structural diagram of a novel high-end high-temperature-resistant electric wire.

Fig. 2 is a schematic structural diagram of a flame retardant layer in a novel high-end high-temperature-resistant electric wire.

Fig. 3 is a schematic structural diagram of a central conductor in a novel high-end high-temperature-resistant wire.

In the figure, a central conductor 1, a flame-retardant layer 2, an insulating filling layer 3, a waterproof layer 4, a first glass fiber layer 5, a polyvinyl chloride layer 6, warps 7, wefts 8, a conductive wire core 9, a shielding layer 10, a second glass fiber layer 11 and a mica belting layer 12.

Detailed Description

In order to clearly understand the technical features, objects and effects of the present invention, the present invention will now be described with reference to the accompanying drawings.

Example 1

Referring to fig. 1-3, a novel high-end high-temperature-resistant electric wire includes a central conductor 1, an insulating filling layer 3, a waterproof layer 4, a first glass fiber layer 5, and a polyvinyl chloride layer 6. The central conductor 1 is provided with a plurality of and even buries underground in insulating filling layer 3's inside, and the outside of insulating filling layer 3 has set gradually fire-retardant layer 2, waterproof layer 4, first glass fiber layer 5 and polyvinyl chloride layer 6 from inside to outside, through the setting of waterproof layer 4, can play waterproof effect, avoids the electric wire short circuit in aqueous, leads to the emergence of electric leakage phenomenon. The first glass fiber layer 5 has good high temperature resistance, and the central conductor 1 is prevented from being damaged by high temperature. The polyvinyl chloride layer 6 is arranged to separate the electric wire from the external environment, forming an insulating environment.

Fire-retardant layer 2 is made by aramid fiber material establishment, and fire-retardant layer 2 includes warp 7 and weft 8, warp 7 and weft 8 intercrossing connection, and weft 8 is provided with three and even distribution on warp 7. The setting of fire-retardant layer 2 has played fire-retardant effect well, avoids the electric wire to buckle simultaneously and causes the electric wire to damage, has the supporting role to waterproof layer 4 moreover. The central conductor 1 comprises a conductive wire core 9, a second glass fiber layer 11 and a mica tape layer 12, the second glass fiber layer 11 and the mica tape layer 12 are arranged to better play a role in heat insulation, and the electric wire is prevented from being damaged by heating.

The utility model discloses a theory of operation is: have played fine high temperature resistant effect through first glass fiber layer 5 and second glass fiber layer 11, waterproof layer 4's setting can play waterproof effect, and flame retardant coating 2's setting has played flame retardant coating well, avoids the electric wire to buckle simultaneously and causes the electric wire to damage, has the supporting role moreover to waterproof layer 4.

Example 2

On the basis of embodiment 1, the shielding layer 10 is arranged outside the conductive wire core 9, the shielding layer 10 is made of semi-conductive plastic, and the arrangement of the shielding layer 10 can improve the initial discharge voltage of the cable and avoid external interference.

The above-mentioned embodiments only represent the preferred embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several changes, modifications and substitutions can be made, which are all within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides a novel high-end high temperature resistant electric wire, including central conductor (1), insulating filling layer (3), first glass fiber layer (5) and polyvinyl chloride layer (6), central conductor (1) is provided with a plurality of and even buries underground in the inside of insulating filling layer (3), a serial communication port, the outside of insulating filling layer (3) has set gradually fire-retardant layer (2) from inside to outside, first glass fiber layer (5) and polyvinyl chloride layer (6), fire-retardant layer (2) are including warp (7) and weft (8), warp (7) and weft (8) intercrossing connect.

2. A novel high-end high-temperature-resistant electric wire as claimed in claim 1, wherein the fire-retardant layer (2) is provided with a waterproof layer (4) on the outside.

3. A new high-end high-temperature resistant electric wire, according to claim 1 or 2, characterized in that the central conductor (1) comprises a conductive core (9), a second glass fiber layer (11) and a mica tape layer (12).

4. A new high-end refractory electric wire according to claim 3, characterised in that the weft (8) is provided with three and evenly distributed warps (7).

5. A new high-end high-temperature-resistant electric wire as claimed in claim 4, characterized in that the flame-retardant layer (2) is woven from aramid fiber material.

6. A novel high-end high-temperature-resistant electric wire as claimed in claim 5, characterized in that the outside of the conductive core (9) is provided with a shielding layer (10), and the shielding layer (10) is made of semi-conductive plastic.