CN216849355U - Insulating irradiation crosslinking electron line - Google Patents

Abstract

The utility model belongs to the field of electronic wires, and particularly relates to an insulated irradiation crosslinking electronic wire which comprises wire cores, wherein the wire cores are three and distributed in a triangular manner, the outer sides of the wire cores are wrapped with inner insulating combination layers, the inner insulating combination layers are used for strengthening the insulating and shielding functions of the wire cores, a first buffer layer and three wire cores are embedded into the first buffer layer, the first buffer layer is sequentially wrapped with a second buffer layer and a third buffer layer from inside to outside, the first buffer layer, the second buffer layer and the third buffer layer are used for avoiding the cracking of the electronic wire, an outer insulating combination layer is wrapped on the outer sides of the third buffer layer, the outer insulating combination layer is used for strengthening the integral insulating and shielding performance of the electronic wire, and the inner insulating combination layer comprises an inner insulating layer, an inner shielding layer, a flame retardant layer, a waterproof filling layer and a surrounding layer which are sequentially arranged from inside to outside; the utility model has better insulating property and shielding effect, better avoids the expansion and cracking of the electronic wire due to the wire core, and simultaneously avoids the damage of the wire core caused by the influence of external bending force.

Description

Insulating irradiation crosslinking electron line

Technical Field

The utility model relates to the technical field of electronic wires, in particular to an insulated irradiation crosslinking electronic wire.

Background

The electronic wire is the device that carries out the transmission to electricity, electricity is a comparatively dangerous energy, so the electronic wire outside can be wrapped up the insulating layer and avoid the user to electrocute, current electronic wire has more sinle silk usually, it is usually difficult to reach better insulating properties through the insulating layer of individual layer, the electronic wire uses comparatively insecurely, and the relatively poor sinle silk of shielding property interferes with each other easily and is influenced the electronic wire normal work by external disturbance easily, the sinle silk extrudes the electronic wire outer layer easily when the heating expansion and makes its fracture, and the sinle silk receives external bending influence and also damages easily, cause the trouble.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems and the defects, and provides the insulated irradiation crosslinking electronic wire which has better insulating property and shielding effect, better avoids the expansion and cracking of the electronic wire due to the wire core, and simultaneously avoids the damage of the wire core caused by the influence of external bending force.

In order to achieve the purpose, the adopted technical scheme is as follows:

an insulated, radiation-crosslinked, electron wire, comprising:

the cable comprises three cable cores, wherein the cable cores are distributed in a triangular mode, the outer sides of the cable cores are wrapped with inner insulation combination layers, and the inner insulation combination layers are used for strengthening the insulation shielding function of the cable cores;

The first buffer layer is embedded into the first buffer layer, the second buffer layer and the third buffer layer are sequentially wrapped outside the first buffer layer from inside to outside, and the first buffer layer, the second buffer layer and the third buffer layer are used for avoiding cracking of the electronic wire;

and the outer insulation combination layer is wrapped on the three outer sides of the buffer layer and used for enhancing the overall insulation shielding property of the electronic wire.

Preferably, the inner insulating combined layer comprises an inner insulating layer, an inner shielding layer, a flame retardant layer, a waterproof filling layer and a surrounding layer which are sequentially arranged from inside to outside.

Preferably, the material of waterproof filling layer is waterproof packing glue, the material on surrounding layer overlaps around the covering for double-deck low smoke and zero halogen area, the material on fire-retardant layer is the asbestos.

Preferably, the outer insulation combined layer comprises an outer shielding layer, a first insulation layer and a second insulation layer, the inner shielding layer and the outer shielding layer are made of metal wire nets, the first insulation layer and the inner insulation layer are made of ethylene-tetrafluoroethylene, and the second insulation layer is made of irradiation cross-linked halogen-free low-smoke flame-retardant polyolefin.

Preferably, the second buffer layer comprises a plurality of buffer strips distributed in an annular equal distance mode, and the buffer strips are cylindrical.

Preferably, the buffer layer I, the buffer layer II and the buffer layer III are all made of Teflon.

The utility model has the beneficial effects that: the single wire core is insulated through the inner insulating layer, and then the first insulating layer and the second insulating layer carry out double insulation protection on all the wire cores, so that the insulating property is better, the inner shielding layer is arranged outside the inner insulating layer to shield and protect the single wire core, the outer shielding layer is arranged on the inner side of the first insulating layer to shield and protect all the wire cores, so that the mutual interference of the multiple wire cores is avoided, meanwhile, the interference of the multiple wire cores to the multiple wire cores is avoided, the wire cores are prevented from being interfered and difficult to normally work, when the wire cores generate thermal expansion, the first buffer layer can be firstly extruded, the expansion extrusion force of the wire cores can be buffered, then, the further buffering is carried out through the second buffer layer and the third buffer layer to the extrusion force, the cracking of the outer insulating combined layer caused by the deformation of the outer insulating combined layer due to the expansion of the wire cores is avoided, thereby the cracking of the electronic wire is avoided, and when the electronic wire is bent by external force, buffer layer one, buffer layer two and buffer layer three also can effectually alleviate the impact of external bending to the sinle silk to avoid the sinle silk to receive the influence damage of external bending force.

Drawings

FIG. 1 is a schematic overall perspective view of the present invention;

FIG. 2 is a schematic overall cross-sectional structure of the present invention;

FIG. 3 is an enlarged partial schematic view of part A of FIG. 1 according to the present invention;

fig. 4 is a schematic diagram of a partial enlarged structure B of fig. 2 according to the present invention.

The mark in the figure is: the cable comprises a cable core 101, a first buffer layer 102, a second buffer layer 103, a third buffer layer 104, an outer shielding layer 105, a first insulating layer 106, a second insulating layer 107, an inner insulating layer 108, an inner shielding layer 109, a flame-retardant layer 110, a waterproof filling layer 111 and a surrounding layer 112.

Detailed Description

As shown in fig. 1 to 4, this application is an insulating irradiation crosslinked electron line, including sinle silk 101, buffer layer 102 and outer insulation combined layer, sinle silk 101 is equipped with three and is triangular distribution, sinle silk 101 outside parcel has the inner insulation combined layer, the inner insulation combined layer is used for strengthening sinle silk 101 insulation shielding function, the outer insulation combined layer parcel in the three 104 outsides of buffer layer, the outer insulation combined layer is used for strengthening the holistic insulation shielding nature of electron line, the inner insulation combined layer includes internal insulation layer 108, internal shield layer 109, fire-retardant layer 110, waterproof filling layer 111 and the layer 112 of encircleing that sets gradually from inside to outside, the material of waterproof filling layer 111 is waterproof filling glue, the material of the layer 112 of encircleing is double-deck low smoke and zero halogen area overlapping around the layer, the material of fire-retardant layer 110 is the asbestos, the outer insulation combined layer includes external shield layer 105, the material of the inner shielding layer 109 and the material of the outer shielding layer 105 are both metal wire nets, the material of the first insulating layer 106 and the material of the inner insulating layer 108 are both ethylene-tetrafluoroethylene, and the material of the second insulating layer 107 is irradiation cross-linked halogen-free low-smoke flame-retardant polyolefin;

The wire core 101 is subjected to first heavy insulation protection through the first insulation layer 106 and the second insulation layer 107 which are positioned on the outermost sides, the second insulation layer 107 is made of irradiation cross-linked halogen-free low-smoke flame-retardant polyolefin, the first insulation layer 106 is made of ethylene-tetrafluoroethylene, double insulation effectively ensures better insulation performance of the electronic wire, and the inner insulation layer 108 is arranged on the outer side of the wire core 101, so that the insulation performance of the electronic wire is further enhanced through the arrangement of the inner insulation layer 108;

because the outer shielding layer 105 is arranged on the inner side of the first insulating layer 106, the inner shielding layer 109 is arranged on the outer side of the inner insulating layer 108, the inner shielding layer 109 and the outer shielding layer 105 are both made of metal wire nets, the metal wire nets have strong shielding performance, the inner shielding layer 109 can better shield and protect a single wire core 101, the outer shielding layer 105 can better shield and protect all the wire cores 101, the interference of a plurality of wire cores 101 with each other is avoided, the interference of the outside to the plurality of wire cores 101 is avoided, and the wire cores 101 are prevented from being interfered and difficult to normally work;

because the outer side of the inner shielding layer 109 is sequentially provided with the flame-retardant layer 110, the waterproof filling layer 111 and the surrounding layer 112, the surrounding layer 112 is made of double-layer low-smoke zero-halogen belt overlapping wrapping layers, the surrounding layer 112 can well support the inner part of the surrounding layer, and the waterproof filling layer 111 is made of waterproof filling glue which has a good waterproof function, so that the phenomenon that the normal work of the wire core 101 is influenced by the fact that the wire core 101 in the surrounding layer is wetted by water is effectively avoided, and because the flame-retardant layer 110 is made of asbestos, the asbestos has good flame retardant property, the wire core 101 can be well protected against fire, and the phenomenon that the wire core 101 is burnt to be difficult to work normally is avoided;

The three wire cores 101 are embedded into the first buffer layer 102, a second buffer layer 103 and a third buffer layer 104 are sequentially wrapped outside the first buffer layer 102 from inside to outside, the first buffer layer 102, the second buffer layer 103 and the third buffer layer 104 are used for avoiding cracking of an electronic wire, the second buffer layer 103 comprises a plurality of buffer strips which are annularly and equidistantly distributed, the buffer strips are cylindrical, and the first buffer layer 102, the second buffer layer 103 and the third buffer layer 104 are all made of Teflon;

when the wire core 101 is heated and expanded, the first buffer layer 102 can be extruded, and the first buffer layer 102, the second buffer layer 103 and the third buffer layer 104 are all made of Teflon which is an elastic plastic material with stable chemical properties, is nonflammable, nontoxic and high temperature resistant, therefore, the first buffer layer 102 can bear the extrusion and expansion of the wire core 101, the second buffer layer 103 comprises a plurality of buffer strips which are distributed in an annular and equidistant mode, the buffer strips are cylindrical, the expanded first buffer layer 102 can extrude the buffer strips of the second buffer layer 103, the second buffer layer 103 can further reduce the extrusion force generated by the expansion of the wire core 101, and the third buffer layer 104 can reduce the extrusion force applied to the second buffer layer 103, therefore, extrusion force generated by expansion of the wire core 101 is further slowed down, the outer insulation combination layer is prevented from cracking due to deformation of the outer insulation combination layer caused by expansion of the wire core, and the electronic wire is prevented from cracking;

When external force is bent on the electronic wire, the impact of external bending on the wire core 101 can be effectively relieved by the first buffer layer 102, the second buffer layer 103 and the third buffer layer 104, so that the wire core 101 is prevented from being damaged due to the influence of external bending force.

Claims (6)

1. An insulated radiation-crosslinked electron wire, comprising:

the cable comprises three cable cores (101), wherein the cable cores (101) are distributed in a triangular mode, the outer sides of the cable cores (101) are wrapped with inner insulation combination layers, and the inner insulation combination layers are used for enhancing the insulation shielding function of the cable cores (101);

the buffer layer I (102), the three wire cores (101) are all embedded into the buffer layer I (102), the buffer layer II (103) and the buffer layer III (104) are sequentially wrapped outside the buffer layer I (102) from inside to outside, and the buffer layer I (102), the buffer layer II (103) and the buffer layer III (104) are used for avoiding cracking of the electronic wire;

and the outer insulation combination layer is wrapped on the outer side of the buffer layer III (104), and is used for enhancing the overall insulation shielding property of the electronic wire.

2. An insulated radiation-crosslinked electron beam according to claim 1, wherein: the inner insulation combination layer comprises an inner insulation layer (108), an inner shielding layer (109), a flame retardant layer (110), a waterproof filling layer (111) and a surrounding layer (112) which are sequentially arranged from inside to outside.

3. An insulated radiation-crosslinked electron beam according to claim 2, wherein: the material of waterproof filling layer (111) is waterproof filling glue, the material of surrounding layer (112) overlaps around the covering for double-deck low smoke and zero halogen area, the material of fire-retardant layer (110) is the asbestos.

4. An insulated radiation-crosslinked electron beam according to claim 2, wherein: the outer insulation combination layer comprises an outer shielding layer (105), a first insulation layer (106) and a second insulation layer (107), the materials of the inner shielding layer (109) and the outer shielding layer (105) are metal wire nets, the materials of the first insulation layer (106) and the inner insulation layer (108) are ethylene-tetrafluoroethylene, and the material of the second insulation layer (107) is irradiation cross-linking halogen-free low-smoke flame-retardant polyolefin.

5. An insulated radiation-crosslinked electron beam according to claim 1, wherein: the second buffer layer (103) comprises a plurality of buffer strips which are distributed in an annular equidistant mode, and the buffer strips are cylindrical.

6. An insulated radiation-crosslinked electron beam according to claim 5, wherein: the buffer layer I (102), the buffer layer II (103) and the buffer layer III (104) are all made of Teflon.

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