Anti-interference polyoxosilane power cable

Abstract

The utility model discloses an anti-interference polyoxosilane power cable, comprising a cable core, the cable core comprises three wire cores and a filling layer, the outside of the cable core is provided with a belting layer, the outside of the belting layer is provided with an inner protective layer, the outside of the inner protective layer is provided with a steel tape armoring layer, and the outside of the steel tape armoring layer is provided with an outer protective layer. According to the power cable, the anti-interference layer is arranged outside the armor layer, the anti-interference layer is of a double-layer structure, double-layer anti-interference protection is formed in the cable, the anti-interference capability of the cable is greatly improved, the anti-interference performance of the cable is improved, and the anti-interference performance of the cable is improved. And normal use of the power cable can be ensured under special conditions.

Description

TECHNICAL FIELD

[0001] The utility model relates to power cable technical field, concretely is a kind of anti-interference polyoxysilane power cable. BACKGROUND

[0002] Cable is made of one or more mutually insulated conductors and outer insulation protective layer, is laid in underground, air etc. Power cable is used to transmit and distribute high-power electric energy in the main line of power system, including 1-500KV and above various voltage levels, various insulation power cables, the basic structure of power cable is composed of core, insulation layer, shielding layer and protective layer four parts, commonly used in urban underground power grid, power station outgoing line, industrial and mining enterprise internal power supply and cross-river underwater power transmission line. It product variety is numerous, application range is very wide, involves power, construction, communication, manufacturing and other industries, and each department of national economy is closely related.

[0003] The utility model discloses a kind of anti-interference concentric conductor low-voltage power cable, including main conductor, the outer surface of the main conductor is connected with flame-retardant layer, the outer surface of the flame-retardant layer is connected with anti-interference layer, the anti-interference layer includes metal mesh braid layer and tin foil layer, the outer surface of the anti-interference layer is connected with insulation layer, the outer surface of the insulation layer is coated with anticorrosive layer.The utility model forms the multi-level anticorrosive sealing effect on the outer surface of the cable by the setting of high-chlorinated polyethylene coating, epoxy asphalt coating and chlorinated rubber coating in anticorrosive layer, can effectively isolate the corrosive substance of outside, greatly improve the corrosion resistance of the cable, while the tin foil layer and metal mesh braid layer in the anti-interference layer are set, double anti-interference protection is formed in the inside of the cable, and the anti-interference ability of the cable is greatly improved.

[0004] The existing power cable is provided with an armored layer as an anti-interference layer, which is easily disturbed by external electromagnetic field in special circumstances, reduces the use effect of the power cable, causes misoperation accidents of related equipment, and cannot meet the use requirements of people. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of anti-interference polyoxysilane power cable to solve the problems in the above background that the existing power cable is provided with an armored layer as an anti-interference layer, which is easily disturbed by external electromagnetic field in special circumstances, reduces the use effect of the power cable, causes misoperation accidents of related equipment, and cannot meet the use requirements of people.

[0006] To achieve the above object, the utility model provides the following technical scheme: an anti -interference polyoxysilane power cable, including cable core, the cable core is filled with filling layer after three wire cores are stranded, the outside of cable core is provided with the wrapping layer, the outside of wrapping layer is provided with the internal protection layer, the outside of internal protection layer is provided with the steel tape armoring layer, the outside of steel tape armoring layer is provided with the anti -interference layer, the outside of anti -interference layer is provided with the outer sheath.

[0007] Preferably, the wire core includes a conductor, a first insulating layer, a first shielding layer, and a second insulating layer, the conductor is twisted by a plurality of copper wires, the first insulating layer is arranged outside the conductor, the first shielding layer is arranged outside the first insulating layer, the second insulating layer is arranged outside the first shielding layer, and the conductor, the first insulating layer, the first shielding layer, and the second insulating layer are formed by extrusion.

[0008] Preferably, the internal protection layer includes a second shielding layer and a polyoxysilane rubber, the second shielding layer is arranged outside the polyoxysilane rubber, the second shielding layer and the polyoxysilane rubber are formed by extrusion, the polyoxysilane rubber is attached to the wrapping layer, and the second shielding layer is attached to the steel tape armoring layer.

[0009] Preferably, the anti-interference layer includes a tin foil layer and a metal mesh layer, the metal mesh layer is arranged outside the tin foil layer, the tin foil layer and the metal mesh layer are integrated, the tin foil layer is attached to the steel tape armoring layer, and the metal mesh layer is attached to the outer sheath.

[0010] Preferably, the three wire cores are arranged in a triangular shape at equal distances, and the wrapping layer is made of an alkali-free glass tape.

[0011] Preferably, the filling layer is arranged at the gap between the three wire cores, and the filling layer is made of a polyoxysilane resin.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] The utility model discloses a filling layer and polyoxysilane rubber, the filling layer is made of polyoxysilane resin, the performance of polyoxysilane resin and polyoxysilane rubber is roughly similar, is a polymer, has good shielding effect, corrosion protection, cathodic protection, forms multilayer anticorrosion sealing effect in the inside of cable, can effectively isolate the corrosive substance of outside, greatly improves the corrosion resistance of cable, improves the service life of power cable.

[0014] The utility model discloses a device through the setting of anti -interference layer, and the anti -interference layer is by the foil layer and the metal braid layer and constitutes double -deck structure, and the anti -interference layer forms double -deck anti -interference protection in the inside of cable, and then greatly improves the cable anti -interference ability, can effectively prevent the environmental change influence power cable's use, improves the use effect of power cable. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the whole structure schematic diagram of the utility model;

[0016] Figure 2 It is the utility model's sectional view;

[0017] Figure 3 It is the utility model's wire core sectional view;

[0018] Figure 4 It is the utility model's inner protective layer structure diagram;

[0019] Figure 5 It is the utility model's anti -interference layer structure diagram.

[0020] In the drawing: 1, cable core;2, wire core;3, filling layer;4, tape layer;5, inner protective layer;6, steel tape armor layer;7, anti -interference layer;8, outer sheath;9, conductor;10, first insulation layer;11, first shielding layer;12, second insulation layer;13, second shielding layer;14, polyoxysilane rubber;15, tin foil layer;16, metal braid layer. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings of the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0022] Please refer to Figures 1-5 The utility model provides an embodiment: an anti -interference polyoxysilane power cable, including cable core 1, and the cable core 1 is by three wire cores 2 and fills filling layer 3 after being stranded, and the outside of cable core 1 is wrapped with tape layer 4, and the outside of tape layer 4 is extruded with inner protective layer 5, and the outside of inner protective layer 5 is wrapped with steel tape armor layer 6, and the outside of steel tape armor layer 6 is covered with anti -interference layer 7, and the outside of anti -interference layer 7 is extruded with outer sheath 8.

[0023] Please refer to Figure 1 、 Figure 2 and Figure 3, the wire core 2 comprises a conductor 9, a first insulation layer 10, a first shielding layer 11 and a second insulation layer 12, the conductor 9 is twisted by a plurality of copper wires, the first insulation layer 10 is arranged outside the conductor 9, the first shielding layer 11 is arranged outside the first insulation layer 10, the second insulation layer 12 is arranged outside the first shielding layer 11, and the conductor 9, the first insulation layer 10, the first shielding layer 11 and the second insulation layer 12 are formed by extrusion molding, by arranging two insulation layers outside the conductor 9, the use stability of the wire core 2 can be greatly improved.

[0024] Please refer to Figure 1 、 Figure 2 and Figure 4 , the inner protective layer 5 comprises a second shielding layer 13 and a polysiloxane rubber 14, the second shielding layer 13 is arranged outside the polysiloxane rubber 14, and the second shielding layer 13 and the polysiloxane rubber 14 are formed by extrusion molding, the polysiloxane rubber 14 is attached to the wrapping layer 4, and the second shielding layer 13 is attached to the steel belt armored layer 6.

[0025] Please refer to Figure 1 、 Figure 2 and Figure 5 , the anti-interference layer 7 comprises a tin foil layer 15 and a metal woven mesh layer 16, the metal woven mesh layer 16 is woven outside the tin foil layer 15, and the tin foil layer 15 and the metal woven mesh layer 16 are arranged in one body, the tin foil layer 15 is attached to the steel belt armored layer 6, and the metal woven mesh layer 16 is attached to the outer sheath 8, the anti-interference layer 7 formed by the tin foil layer 15 and the metal woven mesh layer 16 forms double-layer anti-interference protection in the interior of the cable, thereby greatly improving the anti-interference ability of the cable.

[0026] Please refer to Figure 1 and Figure 2 , the three wire cores 2 are arranged in a triangular shape at equal distances, and the wrapping layer 4 adopts alkali-free glass silk tape, by arranging the three wire cores 2 in a triangular shape at equal distances, the wire cores 2 can support and limit each other, and the structural strength of the transverse section of the cable is improved.

[0027] Please refer to Figure 1 and Figure 2 , the filling layer 3 is arranged at the gaps of the three wire cores 2, and the filling layer 3 adopts polysiloxane resin.

[0028] The contents not described in detail in the specification belong to the prior art known by the person skilled in the art.

[0029] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An interference-resistant polyoxysilane power cable comprising a core (1), characterized in that: The cable core (1) is filled with a filling layer (3) after three wire cores (2) are stranded, an outer part of the cable core (1) is provided with a wrapping layer (4), an outer part of the wrapping layer (4) is provided with an inner protective layer (5), an outer part of the inner protective layer (5) is provided with a steel tape armor layer (6), an outer part of the steel tape armor layer (6) is provided with an anti-interference layer (7), and an outer part of the anti-interference layer (7) is provided with an outer sheath (8).

2. An interferenceresistant polyoxysilane power cable according to claim 1, characterized in that: The wire core (2) comprises a conductor (9), a first insulation layer (10), a first shielding layer (11) and a second insulation layer (12), the conductor (9) is stranded by a plurality of copper wires, the first insulation layer (10) is arranged outside the conductor (9), the first shielding layer (11) is arranged outside the first insulation layer (10), the second insulation layer (12) is arranged outside the first shielding layer (11), and the conductor (9), the first insulation layer (10), the first shielding layer (11) and the second insulation layer (12) are formed by extrusion.

3. The tamper-resistant polyoxysilane power cable of claim 1, wherein: The inner protective layer (5) comprises a second shielding layer (13) and a polyoxysilane rubber (14), the second shielding layer (13) is arranged outside the polyoxysilane rubber (14), the second shielding layer (13) and the polyoxysilane rubber (14) are formed by extrusion, the polyoxysilane rubber (14) is attached to the wrapping layer (4), and the second shielding layer (13) is attached to the steel tape armor layer (6).

4. The tamper-resistant polyoxysilane power cable of claim 1, wherein: The anti-interference layer (7) comprises a tin foil layer (15) and a metal woven mesh layer (16), the metal woven mesh layer (16) is arranged outside the tin foil layer (15), the tin foil layer (15) and the metal woven mesh layer (16) are arranged in one body, the tin foil layer (15) is attached to the steel tape armor layer (6), and the metal woven mesh layer (16) is attached to the outer sheath (8).

5. The tamper-resistant polyoxysilane power cable of claim 1, wherein: The three wire cores (2) are arranged in an equilateral triangle, and the wrapping layer (4) is made of alkali-free glass silk tape.

6. The tamper-resistant polyoxysilane power cable of claim 1, wherein: The filling layer (3) is arranged at the gap between the three wire cores (2), and the filling layer (3) is made of polyoxysilane resin.

Images