CN214012576U - Anti-electromagnetic interference corrosion-resistant cable - Google Patents

Abstract

The utility model discloses an anti-electromagnetic interference corrosion-resistant cable, which comprises an insulating sheath layer, a phase-change material constant-temperature corrosion-resistant layer, an outer shielding layer, a waterproof insulating layer, a filling layer and a plurality of cable core units, which are arranged in sequence from outside to inside; the cable core unit and the filling layer are stranded into a cable, and the cable core unit is sequentially provided with an inner shielding layer, a plurality of layers of mica tape insulating layers and a conductor from outside to inside; still be provided with the insulating layer between phase change material constant temperature corrosion resistant layer and the outer shielding layer, the insulating layer includes multilayer cross arrangement's fire-retardant band layer of pottery and ceramic polyolefin layer, the outer shielding layer is including wrapping the compound band layer of plastic-aluminum outside waterproof insulation layer, weaving in the outer tin-plated copper wire layer of the compound band layer of plastic-aluminum and weaving in the outer soft-magnetic alloy silk layer of tin-plated copper wire layer, waterproof insulation layer is including wrapping up in the outer band layer that blocks water of stranding and coating in the outer cream layer that blocks water of the band layer that blocks water. The problems of low cable shielding capability, poor waterproof performance and poor high-temperature resistance are solved.

Description

Anti-electromagnetic interference corrosion-resistant cable

Technical Field

The utility model relates to a cable field especially relates to an anti-electromagnetic interference's corrosion-resistant cable.

Background

Traditional power cable corrosion resistance is poor, and no matter be the corruption that external factor caused after long-time the use, still because long-time the use, temperature change expend with heat and contract with cold is experienced, makes the cable from the corruption of extroversion-in, all can shorten the life of cable, still probably because the cable receives the damaged electric leakage after corroding, shocks by electricity the staff, causes the unnecessary loss. Moreover, the existing signal cable in the field related to the magnetic core often causes low service life of the cable and distortion of transmission signals due to insufficient weather resistance, anti-interference and radiation-proof performance and poor flexibility. Meanwhile, the flame retardant and high temperature resistant performance is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an anti-electromagnetic interference's corrosion-resistant cable to solve the problem that cable shielding ability is low, waterproof performance is poor, high temperature resistance is poor.

In order to achieve the above object, the utility model provides a following technical scheme: an anti-electromagnetic interference corrosion-resistant cable comprises an insulating sheath layer, a phase-change material constant-temperature corrosion-resistant layer, an outer shielding layer, a waterproof insulating layer, a filling layer and a plurality of cable core units, wherein the insulating sheath layer, the phase-change material constant-temperature corrosion-resistant layer, the outer shielding layer, the waterproof insulating layer, the filling layer and the cable core units are sequentially arranged from outside to inside; the cable core unit and the filling layer are stranded into a cable, and the cable core unit is sequentially provided with an inner shielding layer, a plurality of layers of mica tape insulating layers and a conductor from outside to inside; still be provided with the insulating layer between phase change material constant temperature corrosion resistant layer and the outer shielding layer, the insulating layer includes multilayer cross arrangement's fire-retardant band layer of pottery and ceramic polyolefin layer, the outer shielding layer is including wrapping the compound band layer of plastic-aluminum outside waterproof insulation layer, weaving in the outer tin-plated copper wire layer of the compound band layer of plastic-aluminum and weaving in the outer soft-magnetic alloy silk layer of tin-plated copper wire layer, waterproof insulation layer is including wrapping up in the outer band layer that blocks water of stranding and coating in the outer cream layer that blocks water of the band layer that blocks water.

As a further improvement of the above technical solution:

the filling layer is a glass fiber rope, and the cable forming roundness is at least 80%.

The lapping overlapping rate of the aluminum-plastic composite tape layer is not less than 30%. The weaving density of the tin-plated copper wire layer is not less than 80%. The weaving density of the soft magnetic alloy wire layer is not less than 85%. The composite shielding layer structure of plastic composite film tape wrapping, tinned copper wire weaving and high-permeability soft magnetic alloy wire weaving is formed, and the composite shielding layer has a good anti-electromagnetic effect. The thickness and width of the aluminum-plastic composite belt can be flexibly changed, the direction can be left and right during wrapping, but not limited to left and right, the wrapping overlapping rate is not less than 30%, the weaving density of the tin-plated woven layer and the high-permeability soft magnetic alloy wire woven layer can be flexibly changed, the weaving density of the tin-plated wires is not less than 80%, and the weaving density of the alloy wires is not less than 85%.

The coating thickness of the water-blocking paste layer is 1-2 mm. The waterproof effect of the waterproof paste layer is poor due to too low coating thickness, and the waterproof paste layer is inconvenient to use due to increased weight after too high coating thickness.

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

the utility model discloses an anti-electromagnetic interference's corrosion-resistant cable protects the cable through setting up phase change material constant temperature corrosion resistant layer, can effectively prevent cable corrosion, waterproof insulation layer adopts the band layer that blocks water and the combination on the cream layer that blocks water, its water-proof effects is better, the outer shielding adopts the compound band layer of plastic-aluminum, tin-plated copper wire layer, combine with soft-magnetic alloy silk layer, form mould compound film area around package and add tin-plated copper wire weave the compound shielding layer structure that increases magnetic conductivity soft-magnetic alloy silk and weave, this compound shielding layer has fine anti-electromagnetic effect. The cable structure is internally wrapped with the ceramic flame-retardant belt and extruded with the ceramic polyolefin material for multiple times, the ceramic material forms a ceramic honeycomb-shaped hard shell when the cable is burnt by high-temperature flame, the heat dissipation and heat insulation effects can be well achieved, the high-flame-retardant oxygen-isolating layer is extruded on the inner layer of the ceramic polyolefin, the heat transfer to the insulating wire core after the ceramic polyolefin is heated into ceramic can be better isolated, the insulating layer is prevented from being melted, and the power-on time of the cable is prolonged. Thus, the fire-resistant characteristics of the cable can be fully satisfied. The problems of low cable shielding capability, poor waterproof performance and poor high-temperature resistance are solved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is an enlarged view of a portion a in fig. 1 according to the present invention.

Reference numerals: 1. an insulating sheath layer; 2. a phase change material constant temperature corrosion-resistant layer; 3. a waterproof insulating layer; 4. a filling layer; 5. a cable core unit; 6. an outer shield layer; 7. a thermal insulation layer; 31. a water blocking tape layer; 32. a water-blocking paste layer; 51. an inner shield layer; 52. a plurality of mica tape insulating layers; 53. a conductor; 61. aluminum-plastic composite belt layers; 62. a tin-plated copper wire layer; 63. a soft magnetic alloy wire layer; 71. a ceramic flame retardant tape layer; 72. a ceramic polyolefin layer.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

As shown in fig. 1 and fig. 2, the anti-electromagnetic interference corrosion-resistant cable of the present embodiment includes, sequentially from outside to inside, an insulating sheath layer 1, a phase-change material constant-temperature corrosion-resistant layer 2, an outer shielding layer 6, a waterproof insulating layer 3, a filling layer 4, and a plurality of cable core units 5; the cable core unit 5 and the filling layer 4 are stranded into a cable, and the cable core unit 5 is sequentially provided with an inner shielding layer 51, a plurality of mica tape insulating layers 52 and a conductor 53 from outside to inside; still be provided with insulating layer 7 between phase change material constant temperature corrosion resistant layer 2 and the outer shielding layer 6, insulating layer 7 includes ceramic fire-retardant band layer 71 and the ceramic polyolefin layer 72 of one deck cross arrangement, outer shielding layer 6 is including wrapping the outer compound band layer 61 of aluminium-plastic of waterproof insulation layer 3, weave the outer tin-plated copper wire layer 62 of compound band layer 61 of aluminium-plastic and weave in the outer soft magnetic alloy silk layer 63 of tin-plated copper wire layer 62, waterproof insulation layer 3 is including wrapping up in the outer water-blocking band layer 31 of stranding and coating in the outer paste layer 32 that blocks water of water-blocking band layer 31.

The filling layer 4 is a glass fiber rope, and the cabling roundness is 80%.

The lapping overlapping rate of the aluminum-plastic composite tape layer 61 is 30%.

The braid density of the tin-plated copper wire layer 62 was 80%.

The braid density of the soft magnetic alloy wire layer 63 was 85%.

The water blocking paste layer 32 is coated to a thickness of 1-2 mm.

Example 2

The anti-electromagnetic interference corrosion-resistant cable comprises an insulating sheath layer 1, a phase-change material constant-temperature corrosion-resistant layer 2, an outer shielding layer 6, a waterproof insulating layer 3, a filling layer 4 and a plurality of cable core units 5 which are sequentially arranged from outside to inside; the cable core unit 5 and the filling layer 4 are stranded into a cable, and the cable core unit 5 is sequentially provided with an inner shielding layer 51, a plurality of mica tape insulating layers 52 and a conductor 53 from outside to inside; still be provided with insulating layer 7 between phase change material constant temperature corrosion resistant layer 2 and the outer shielding layer 6, insulating layer 7 includes double-deck cross arrangement's fire-retardant band layer 71 of pottery and ceramic polyolefin layer 72, outer shielding layer 6 is including wrapping the outer compound band layer 61 of aluminium-plastic of waterproof insulation layer 3, weave the outer tin-plated copper wire layer 62 of compound band layer 61 of aluminium-plastic and weave in the outer soft magnetic alloy silk layer 63 of tin-plated copper wire layer 62, waterproof insulation layer 3 is including wrapping up in the outer water-blocking band layer 31 of stranding and coating in the outer paste layer 32 that blocks water of water-blocking band layer 31.

The filling layer 4 is a glass fiber rope, and the cable forming roundness is 90%.

The lapping overlapping rate of the aluminum-plastic composite tape layer 61 is 50%.

The braid density of the tin-plated copper wire layer 62 was 90%.

The braiding density of the soft magnetic alloy wire layer 63 is 90%.

The water blocking paste layer 32 is coated to a thickness of 1-2 mm.

Example 3

The anti-electromagnetic interference corrosion-resistant cable comprises an insulating sheath layer 1, a phase-change material constant-temperature corrosion-resistant layer 2, an outer shielding layer 6, a waterproof insulating layer 3, a filling layer 4 and a plurality of cable core units 5 which are sequentially arranged from outside to inside; the cable core unit 5 and the filling layer 4 are stranded into a cable, and the cable core unit 5 is sequentially provided with an inner shielding layer 51, a plurality of mica tape insulating layers 52 and a conductor 53 from outside to inside; still be provided with insulating layer 7 between phase change material constant temperature corrosion resistant layer 2 and the outer shielding layer 6, insulating layer 7 includes ceramic fire-retardant band layer 71 and ceramic polyolefin layer 72 of three-layer cross arrangement, outer shielding layer 6 is including wrapping the outer compound band layer 61 of aluminium-plastic of waterproof insulation layer 3, weave the outer tinned copper wire layer 62 of compound band layer 61 of aluminium-plastic and weave soft magnetic alloy silk layer 63 outside tinned copper wire layer 62, waterproof insulation layer 3 is including wrapping up in the outer water blocking band layer 31 of stranding and coating in the outer paste layer 32 that blocks water of water blocking band layer 31.

The filling layer 4 is a glass fiber rope, and the cable roundness is at least 80%.

The lapping overlapping rate of the aluminum-plastic composite tape layer 61 is 80%.

The braid density of the tin-plated copper wire layer 62 was 95%.

The braiding density of the soft magnetic alloy wire layer 63 is 95%.

The water blocking paste layer 32 is coated to a thickness of 1-2 mm.

The cable produced and manufactured by the embodiment has strong electromagnetic energy resistance, strong shielding capability and strong waterproof performance, and also has strong high temperature resistance.

The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. An anti-electromagnetic interference corrosion-resistant cable comprises an insulating sheath layer (1), a phase-change material constant-temperature corrosion-resistant layer (2), an outer shielding layer (6), a waterproof insulating layer (3), a filling layer (4) and a plurality of cable core units (5) which are sequentially arranged from outside to inside; the cable core unit (5) and the filling layer (4) are stranded to form a cable, and the cable core unit (5) is sequentially provided with an inner shielding layer (51), a plurality of layers of mica tape insulating layers (52) and a conductor (53) from outside to inside; the method is characterized in that: still be provided with insulating layer (7) between phase change material constant temperature corrosion resistant layer (2) and outer shielding layer (6), insulating layer (7) include multilayer cross arrangement's fire-retardant band layer of pottery (71) and ceramic polyolefin layer (72), outer shielding layer (6) are including wrapping around compound band layer (61) of aluminium-plastic outside waterproof insulation layer (3), weaving tin-plated copper wire layer (62) outside compound band layer (61) of aluminium-plastic and weaving in soft magnetic alloy silk layer (63) outside tin-plated copper wire layer (62), waterproof insulation layer (3) are including wrapping up in the outer tape layer that blocks water (31) of stranding and coating in the outer cream layer that blocks water (32) of the tape layer that blocks water (31).

2. The electromagnetic interference resistant, corrosion resistant cable of claim 1, wherein: the filling layer (4) is a glass fiber rope, and the cable-forming roundness is at least 80%.

3. The electromagnetic interference resistant, corrosion resistant cable of claim 2, wherein: the lapping overlapping rate of the aluminum-plastic composite belt layer (61) is not less than 30%.

4. The electromagnetic interference resistant, corrosion resistant cable of claim 3, wherein: the weaving density of the tin-plated copper wire layer (62) is not less than 80%.

5. The electromagnetic interference resistant, corrosion resistant cable of claim 4, wherein: the weaving density of the soft magnetic alloy wire layer (63) is not less than 85%.

6. The electromagnetic interference resistant, corrosion resistant cable of claim 5, wherein: the coating thickness of the water-blocking paste layer (32) is 1-2 mm.

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