High-strength voltage-resistant electric tracing wire

Abstract

The utility model discloses a high-strength pressure-resistant electric heat tracing wire, which relates to the technical field of electric heat tracing wires and comprises a copper core wire, the outside of the copper core wire is fixedly connected with a flame-retardant PVC (polyvinyl chloride) conducting layer, the outside of the flame-retardant PVC conducting layer is fixedly connected with an insulating layer, the outside of the insulating layer is fixedly connected with a copper wire braided shielding layer, and the outside of the copper wire braided shielding layer is fixedly connected with an insulating layer. The exterior of the copper wire braided shielding layer is fixedly connected with a silica gel heat conduction layer, the exterior of the silica gel heat conduction layer is fixedly connected with an aramid fiber braided inner tensile layer, and the outer wall of the aramid fiber braided inner tensile layer is fixedly connected with a pressure-resistant rubber elastic rope. According to the utility model, the aramid fiber yarn woven inner tensile layer, the pressure-resistant rubber elastic rope, the tinned copper wire woven sheath, the glass fiber yarn woven outer tensile layer, the glass fiber rope, the reinforcing ribs, the armor layer and the fluoroplastic insulating anticorrosive sheath not only can improve the tensile effect of the reinforced electric tracing wire, but also have a better pressure-resistant effect; and the anti-tear effect of the electric tracing band can be greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to electric heat tracing wire technical field especially relates to a high strength pressure -resistant electric heat tracing wire. BACKGROUND

[0002] Electric heat tracing wire is mainly used for the freeze -proofing and heat preservation of the tank, pipe and tank of industrial equipment, and can also be used for heating other containers, and is directly wound on the surface of the heated part during use, simple to install, convenient to use, safe and reliable.

[0003] Through the search, patent application no. CN205902116U, constant temperature self -limiting electric heat tracing band, including two by tinned copper wire directional winding along the fiber rope formed electrically conductive core, the outer side of electrically conductive core is covered with PTC core band, the cross section of PTC core band is runway shape, the axis of two electrically conductive core respectively with the circle center of both ends coincide, the outer side of PTC core band is sequentially provided with flame -retardant insulating layer, tinned copper wire braiding layer and flame -retardant sheath layer.

[0004] The prior art electric heat tracing wire similar to the above has poor tear resistance, which can lead to breakage during installation. UTILITY MODEL CONTENTS

[0005] The utility model discloses a kind of high-strength pressure-resistant electric heat tracing wires to solve the shortcomings in prior art.The advantages are that aramid fiber silk weaving inner tensile layer, pressure-resistant rubber elastic rope, tinned copper wire braiding sheath, glass fiber silk weaving outer tensile layer, fiberglass rope, reinforcing rib, armored layer and fluoroplastic insulation anticorrosive sheath not only can improve the tensile effect of reinforced electric heat tracing wire, with good pressure resistance effect, and can greatly improve the tear resistance of electric heat tracing band.

[0006] To achieve the above object, the utility model adopts the following technical scheme:

[0007] A kind of high-strength pressure-resistant electric heat tracing wire, including copper core conductor wire, the outer fixed connection of copper core conductor wire has flame-retardant PVC conducting layer, and the outer fixed connection of flame-retardant PVC conducting layer has insulating layer, and the outer fixed connection of insulating layer has copper wire braiding shield layer, and the outer fixed connection of copper wire braiding shield layer has silica gel heat conducting layer, and the outer fixed connection of silica gel heat conducting layer has aramid fiber silk weaving inner tensile layer, and the outer wall fixed connection of aramid fiber silk weaving inner tensile layer has pressure-resistant rubber elastic rope.

[0008] Through the above technical scheme: aramid fiber silk weaving inner tensile layer, pressure-resistant rubber elastic rope, tinned copper wire braiding sheath, glass fiber silk weaving outer tensile layer, fiberglass rope, reinforcing rib, armored layer and fluoroplastic insulation anticorrosive sheath not only can improve the tensile effect of reinforced electric heat tracing wire, with good pressure resistance effect, and can greatly improve the tear resistance of electric heat tracing band.

[0009] The utility model further sets up, the outer wall of pressure -resistant rubber elasticity rope is fixedly connected with tinned copper wire braid sheath, and the outer wall of tinned copper wire braid sheath is fixedly connected with glass fiber silk braid outer tensile layer.

[0010] Through above technical scheme, can effectively improve the tensile tear resistance of electric heat tracing wire, and has better pressure resistance effect.

[0011] The utility model further sets up, the outer wall of glass fiber silk braid outer tensile layer is fixedly connected with glass fiber rope, and the outer wall of glass fiber rope is fixedly connected with reinforcing rib.

[0012] Through above technical scheme, can further improve the tensile tear resistance of electric heat tracing band.

[0013] The utility model further sets up, the outer wall of reinforcing rib is fixedly connected with armored layer, and the outer wall of armored layer is fixedly connected with fluoroplastic insulation anticorrosion sheath.

[0014] Through above technical scheme, strengthen pressure resistance, guarantee the corrosion -resisting property of electric heat tracing wire, and the effect of flame -retardant and environmental protection is ideal, increase the service life of the utility model, reduce use cost, and it is convenient to widely use.

[0015] The utility model further sets up, copper core conductor is equipped with two, and copper core conductor is located in the inner chamber of flame -retardant PVC conducting layer, and the adjacent two copper core conductors do not contact each other.

[0016] Through above technical scheme, avoid the deviation of copper core conductor deformation position, and then can effectively avoid the touch of adjacent two copper core conductors in product deformation, further improve the use safety of product.

[0017] The utility model further sets up, the thickness of insulation layer, copper wire braid shielding layer, silica gel heat conducting layer, aramid fiber silk braid inner tensile layer, pressure -resistant rubber elasticity rope and armored layer is identical, and the thickness of fluoroplastic insulation anticorrosion sheath is less than the thickness of armored layer.

[0018] Through above technical scheme, not only can improve the tensile effect of reinforced electric heat tracing wire, and have better pressure resistance effect, and can greatly improve the tear resistance of electric heat tracing band.

[0019] The utility model further sets up, the thickness of tinned copper wire braid sheath, glass fiber silk braid outer tensile layer, glass fiber rope, reinforcing rib and fluoroplastic insulation anticorrosion sheath is identical.

[0020] Through above technical scheme, can further improve the tensile tear resistance of electric heat tracing band, and electric heat tracing wire has high strength pressure resistance.

[0021] The utility model further sets up, the thickness of tinned copper wire braided sheath and glass fiber silk braided outer tensile layer is equal to the thickness of insulating layer.

[0022] Through above technical scheme: strength improves, reliability increases, even heating, its heat tracing effect is better, the thickness of each level is reasonably configured, the overall structure is more compact, and the working effect is promoted.

[0023] The utility model discloses the beneficial effect that:

[0024] 1, this high strength pressure -resistant type electric heat -tracing wire, through setting up aramid fiber silk braided inner tensile layer, pressure -resistant rubber elastic rope, tinned copper wire braided sheath, glass fiber silk braided outer tensile layer, glass fiber rope, reinforcing rib, armored layer and fluoroplastic insulation anticorrosive sheath can not only improve the tensile effect of reinforced electric heat -tracing wire, and have good pressure -resistant effect, and can greatly improve the tear resistance of electric heat -tracing band.

[0025] 2, this high strength pressure -resistant type electric heat -tracing wire, through setting up flame -retardant PVC conducting layer, insulating layer, copper wire braided shielding layer and silica gel heat conducting layer has very good heat transfer, insulation, corrosion resistance and has better supporting performance, can realize electric heat -tracing band in thousands of meters downhole has higher thermal efficiency, rigidity and has longer service life. DRAWINGS

[0026] Figure 1 It is a kind of high strength pressure -resistant type electric heat -tracing wire's three-dimensional structure schematic diagram for the utility model proposes;

[0027] Figure 2 It is a kind of high strength pressure -resistant type electric heat -tracing wire's front view structure schematic diagram for the utility model proposes;

[0028] Figure 3 It is a kind of high strength pressure -resistant type electric heat -tracing wire's copper core conductor, flame -retardant PVC conducting layer, insulating layer and copper wire braided shielding layer structure schematic diagram for the utility model proposes;

[0029] Figure 4 It is a kind of high strength pressure -resistant type electric heat -tracing wire's flame -retardant PVC conducting layer and insulating layer structure schematic diagram for the utility model proposes.

[0030] In the drawing: 1, copper core conductor;2, flame -retardant PVC conducting layer;3, insulating layer;4, copper wire braided shielding layer;5, silica gel heat conducting layer;6, aramid fiber silk braided inner tensile layer;7, pressure -resistant rubber elastic rope;8, tinned copper wire braided sheath;9, glass fiber silk braided outer tensile layer;10, glass fiber rope;11, reinforcing rib;12, armored layer;13, fluoroplastic insulation anticorrosive sheath. SPECIFIC EMBODIMENT

[0031] The technical solutions of the patent are further described in detail below in conjunction with the specific embodiments.

[0032] The embodiments of the patent are described in detail below, and examples of the embodiments are shown in the drawings, wherein identical or similar labels represent identical or similar elements or elements having identical or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the patent, and cannot be understood as a limitation of the patent.

[0033] Referring to Figures 1-4 A high-strength pressure-resistant electric heat tracing wire comprises a copper core wire 1, an outer part of the copper core wire 1 is fixedly connected with a flame-retardant PVC conductive layer 2, an outer part of the flame-retardant PVC conductive layer 2 is fixedly connected with an insulating layer 3, an outer part of the insulating layer 3 is fixedly connected with a copper wire braided shielding layer 4, an outer part of the copper wire braided shielding layer 4 is fixedly connected with a silica gel heat-conducting layer 5, an outer wall of the silica gel heat-conducting layer 5 is fixedly connected with an aramid fiber wire braided inner tensile layer 6, and an outer wall of the aramid fiber wire braided inner tensile layer 6 is fixedly connected with a pressure-resistant rubber elastic rope 7. The aramid fiber wire braided inner tensile layer 6, the pressure-resistant rubber elastic rope 7, the tinned copper wire braided sheath 8, the glass fiber wire braided outer tensile layer 9, the glass fiber rope 10, the reinforcing rib 11, the armored layer 12 and the fluoroplastic insulating anticorrosive sheath 13 can not only improve the tensile effect of the electric heat tracing wire, but also have good pressure resistance and can greatly improve the tear resistance of the electric heat tracing tape.

[0034] Specifically, the outer wall of the pressure-resistant rubber elastic rope 7 is fixedly connected with the tinned copper wire braided sheath 8, and the outer wall of the tinned copper wire braided sheath 8 is fixedly connected with the glass fiber wire braided outer tensile layer 9, which can effectively improve the tensile and tear resistance of the electric heat tracing wire and has good pressure resistance.

[0035] Specifically, the outer wall of the glass fiber wire braided outer tensile layer 9 is fixedly connected with the glass fiber rope 10, and the outer wall of the glass fiber rope 10 is fixedly connected with the reinforcing rib 11, which can further improve the tensile and tear resistance of the electric heat tracing tape.

[0036] Specifically, the outer wall of the reinforcing rib 11 is fixedly connected with the armored layer 12, and the outer wall of the armored layer 12 is fixedly connected with the fluoroplastic insulating anticorrosive sheath 13, which strengthens the pressure resistance, ensures the corrosion resistance of the electric heat tracing wire, has ideal flame retardation and environmental protection effect, increases the service life of the utility model, reduces the use cost, and is convenient for widespread use.

[0037] Specifically, two copper core wires 1 are arranged, the copper core wires 1 are located in the inner cavities of the flame-retardant PVC conductive layers 2, and the adjacent two copper core wires 1 do not contact each other, so as to avoid the deviation of the positions of the copper core wires 1 when the copper core wires 1 are deformed, thereby effectively avoiding the contact of the adjacent two copper core wires 1 when the product is deformed, and further improving the use safety of the product.

[0038] Specifically, the thicknesses of the insulation layer 3, the copper wire braided shielding layer 4, the silica gel heat conducting layer 5, the aramid fiber wire braided inner tensile layer 6, the pressure-resistant rubber elastic rope 7 and the armored layer 12 are uniform, and the thickness of the fluoroplastic insulation anticorrosion sheath 13 is less than the thickness of the armored layer 12, so that the tensile effect of the reinforced electric heat tracing wire can be improved, the pressure-resistant effect is better, and the tearing resistance of the electric heat tracing band can be greatly improved.

[0039] Specifically, the thicknesses of the tinned copper wire braided sheath 8, the glass fiber wire braided outer tensile layer 9, the glass fiber rope 10, the reinforcing rib 11 and the fluoroplastic insulation anticorrosion sheath 13 are uniform, so that the tensile and tearing resistance of the electric heat tracing band can be further improved, and the electric heat tracing wire has high strength and pressure-resistant performance.

[0040] Specifically, the sum of the thicknesses of the tinned copper wire braided sheath 8 and the glass fiber wire braided outer tensile layer 9 is equal to the thickness of the insulation layer 3, so that the strength is improved, the reliability is increased, the heat is uniformly generated, the heat tracing effect is better, the thicknesses of the layers are reasonably configured, the overall structure is more compact, and the working effect is improved.

[0041] Working principle: the flame-retardant PVC conductive layer 2, the insulation layer 3, the copper wire braided shielding layer 4, the silica gel heat conducting layer 5, the aramid fiber wire braided inner tensile layer 6, the pressure-resistant rubber elastic rope 7, the tinned copper wire braided sheath 8, the glass fiber wire braided outer tensile layer 9, the glass fiber rope 10, the reinforcing rib 11, the armored layer 12 and the fluoroplastic insulation anticorrosion sheath 13 are arranged outside the copper core conductor 1 from inside to outside, so that the tensile effect of the reinforced electric heat tracing wire can be improved, the pressure-resistant effect is better, and the tearing resistance of the electric heat tracing band can be greatly improved.

[0042] The above merely describes a preferred specific implementation of the present application, but the protection scope of the present application is not limited to this. Any skilled person in the art can make equivalent replacements or changes to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, and all of them should be covered within the protection scope of the present application.

Claims

1. A high strength pressure rated electrical heat trace wire comprising a copper core conductor wire (1) characterized by, The outer part of the copper core conductor (1) is fixedly connected with a flame-retardant PVC conductive layer (2), the outer part of the flame-retardant PVC conductive layer (2) is fixedly connected with an insulating layer (3), the outer part of the insulating layer (3) is fixedly connected with a copper wire braided shielding layer (4), the outer part of the copper wire braided shielding layer (4) is fixedly connected with a silica gel heat conducting layer (5), the outer part of the silica gel heat conducting layer (5) is fixedly connected with an aramid fiber wire braided inner tensile layer (6), and the outer wall of the aramid fiber wire braided inner tensile layer (6) is fixedly connected with a pressure-resistant rubber elastic rope (7).

2. The high strength pressure rated electrical trace heating wire of claim 1, wherein, The outer wall of the pressure-resistant rubber elastic rope (7) is fixedly connected with a tinned copper wire braided sheath (8), and the outer wall of the tinned copper wire braided sheath (8) is fixedly connected with a glass fiber wire braided outer tensile layer (9).

3. A high strength pressure rated electrical trace heating wire as defined in claim 2, wherein, The outer wall of the glass fiber wire braided outer tensile layer (9) is fixedly connected with a glass fiber rope (10), and the outer wall of the glass fiber rope (10) is fixedly connected with a reinforcing rib (11).

4. The high strength pressure rated electrical trace heating wire of claim 3, wherein, The outer wall of the reinforcing rib (11) is fixedly connected with an armor layer (12), and the outer wall of the armor layer (12) is fixedly connected with a fluoroplastic insulation anticorrosion sheath (13).

5. The high strength pressure rated electrical trace heating wire of claim 1, wherein, The copper core conductor (1) is provided with two copper core conductors (1) located in the inner cavity of the flame-retardant PVC conductive layer (2), and the adjacent two copper core conductors (1) are not in contact with each other.

6. A high strength pressure rated electrical trace heating wire as defined in claim 1, wherein, The thicknesses of the insulating layer (3), the copper wire braided shielding layer (4), the silica gel heat conducting layer (5), the aramid fiber wire braided inner tensile layer (6), the pressure-resistant rubber elastic rope (7) and the armor layer (12) are consistent, and the thickness of the fluoroplastic insulation anticorrosion sheath (13) is less than the thickness of the armor layer (12).

7. A high strength pressure rated electrical trace heating wire as defined in claim 2, wherein, The thicknesses of the tinned copper wire braided sheath (8), the glass fiber wire braided outer tensile layer (9), the glass fiber rope (10), the reinforcing rib (11) and the fluoroplastic insulation anticorrosion sheath (13) are consistent.

8. The high strength pressure rated electrical trace heating wire of claim 2, wherein, The sum of the thicknesses of the tinned copper wire braided sheath (8) and the glass fiber wire braided outer tensile layer (9) is equal to the thickness of the insulating layer (3).

Images