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Heating cable

A heating cable and heating conductor technology, applied in the direction of heating element material, heating element shape, etc., can solve the problems of low heat utilization rate, unfavorable large-area laying, inconvenient installation, etc., and achieve improved safety factor, good conductivity, The effect of energy saving

Inactive Publication Date: 2012-07-25
GUANGXI QUNXING CABLE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] 2. Installation control and use: temperature control is complicated and installation is inconvenient;
[0006] 4. Installation space: it takes up a lot of limited space, which is not conducive to large-scale laying;

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] Such as figure 1 , figure 2 As shown, a heating cable with a drain wire and a shielding layer.

[0038] An ultra-thin copper-nickel alloy (CuNi10 or CuNi14) strip is used as a heating conductor 1, an insulating layer 2-1, a shielding layer 3, a drain wire 4, and an outer sheath 5.

[0039] Width mm×thickness mm=(4~25)×(0.025~0.6) CuNi10 or CuNi14 alloy strips are respectively used as heating conductor 1, and polyvinyl chloride, cross-linked polyethylene or fluoroplastic or silicon with a thickness of 0.3~0.5mm are used. Rubber plastic is used as the inner insulation layer 2-1, and aluminum-plastic composite film with a thickness of 0.01-0.05mm is used as the shielding layer 3, and the thickness is 0.2mm 2 -1.0mm 2 The copper stranded wire is used as the drain wire 4, and the outer sheath 5 is made of polyvinyl chloride plastic, fluoroplastic or silicon rubber plastic with a thickness of 0.3-0.5 mm.

[0040] The production steps are:

[0041] 1) Glue. Apply silica...

Embodiment 2

[0051] Such as image 3 , Figure 4 Shown, with a no drain wire, shielded, heating cable.

[0052] An ultra-thin copper-nickel alloy (CuNi10 or CuNi14) strip is used as a heating conductor 1, an insulating layer 2-1, a shielding layer 3, and an outer sheathing layer 5.

[0053]Width mm×thickness mm=(4~25)×(0.025~0.6) CuNi10 or CuNi14 alloy strips are respectively used as heating conductor 1, and polyvinyl chloride, cross-linked polyethylene or fluoroplastic or silicon with a thickness of 0.3~0.5mm are used. Rubber plastic is used as the inner insulation layer 2-1, aluminum-plastic composite film with a thickness of 0.01-0.05mm is used as the shielding layer 3, and polyvinyl chloride plastic or fluoroplastic or silicon rubber plastic with a thickness of 0.3-0.5mm is used as the outer protective layer 5 .

[0054] The production steps are the same as those in Example 1.

Embodiment 3

[0056] Such as Figure 5 , Image 6 As shown, a heating cable with no drain wire and no shielding layer is used.

[0057] An ultra-thin copper-nickel alloy (CuNi10 or CuNi14) strip is used as the heating conductor 1, the insulating layer 2-1, and the outer sheath layer 5.

[0058] Width mm×thickness mm=(4~25)×(0.025~0.6) copper-nickel alloy CuNi10 or CuNi14 alloy strips are respectively used as heating conductor 1, and polyvinyl chloride, cross-linked polyethylene or fluorine with a thickness of 0.3~0.5mm are used Plastics or silicon rubber plastics are used as the inner insulating layer 2-1, and polyvinyl chloride plastics, fluoroplastics or silicon rubber plastics with a thickness of 0.3-0.5 mm are used as the outer protective layer 5.

[0059] The production steps are the same as those in Example 1.

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Abstract

The invention discloses a heating cable, which is in the shape of a thin elongated strap. An ultrathin copper-nickel alloy (CuNi10 or CuNi14) as a conductor, an insulation layer is wrapped outside a heating conductor, a shield layer is wrapped outside the insulation layer, drainage wires are arranged between the shield layer and the external protective layer, and the external protective layer is wrapped outside the shield layer. The heating cable can have five different structures. The heating cable has the advantages of durability, safety, energy saving effect and resistance to corrosion, ageing, high voltage and temperature during long-term working, is not easy to burn out, stable in heating temperature, simple and convenient in mounting, small in occupation space and optional in length. By the double-insulation structure of the heating cable, safety of the heating cable is improved, and a high-conductivity plastic sheath is reliable in grounding and can prevent electromagnetic radiation. Further, the heating cable can be applied to places requiring heating and warming in cold areas, such as roads, pipelines, culturing greenhouses deicing with tank heating, automobile engines, houses and agricultural raising and the like.

Description

technical field [0001] The invention relates to a cable, in particular to a heating cable used in roads, pipelines, tanks in cold regions to heat up and melt ice, planting and breeding greenhouses, automobile engines, houses, etc., which need to be kept warm and warmed up. Background technique [0002] With the improvement of people's living standards, higher requirements are put forward for the performance and use of heating cables, especially in terms of energy saving, safety and environmental protection. In the past heating cables, chrome-aluminum, nickel-aluminum and niobium-aluminum alloys were used as conductors. , the heating cable with polyvinyl chloride as the insulating layer, after more than two years of practice, the main problem is that the heating cable using chrome-aluminum, nickel-aluminum and niobium-aluminum alloy as the conductor, and polyvinyl chloride as the insulating layer, due to the resistance The pressure is not high, the performance and bending res...

Claims

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Application Information

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IPC IPC(8): H05B3/56H05B3/10
Inventor 龙伟强林海明刘毓棠
Owner GUANGXI QUNXING CABLE CO LTD
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