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Metal-wire-containing electric heating fabric suitable for severe environment

A harsh environment, metal wire technology, used in fabrics, electric heating devices, ohmic resistance heating, etc., can solve the problems of large space occupation, high insulation requirements, and high heat generation of electric heating wires, and achieve long-distance use and good electrical conductivity. , the effect of reducing the thickness

Active Publication Date: 2015-04-08
BEIJING GUANGHUA TEXTILE GRP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the common electric heating element is a metal electric heating wire, which can usually adopt a spiral structure, and its outer surface can be wrapped with a fabric sheath for protection and / or insulation. This metal electric heating wire is laid in the middle of the fabric interlayer to form an electric blanket or the like. Flat electric heating products, the defects of this kind of electric heating products are: (1) Since the conduction and heating are concentrated on the heating wire, other parts of the product are not conductive and do not generate heat, so not only the heating is uneven, but also the heating wire itself has a higher calorific value , it is easy to cause local high temperature aging or even burning near the heating wire; (2) Since the heating wire must be laid in advance according to the required style, the product cannot be cut and spliced ​​arbitrarily after it is made, and because the fabric and the heating wire are separated from each other , so it is inconvenient to use; (3) Due to the use of a sandwich structure with a heating wire in the middle, the product structure is complicated, and the thickness is large, taking up a lot of space; (4) Since the heating wire is easy to damage, the insulation requirements are high, and at the same time The physical parameters of the fabric interlayer are inconsistent, so it is not suitable for harsh environments or outdoor environments with large temperature changes

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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  • Metal-wire-containing electric heating fabric suitable for severe environment
  • Metal-wire-containing electric heating fabric suitable for severe environment
  • Metal-wire-containing electric heating fabric suitable for severe environment

Examples

Experimental program
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Effect test

preparation example Construction

[0074] The preparation process of the auxiliary agent can be: mixing the polytetrafluoroethylene emulsion and the benzyl silicone oil emulsion to make a mixed liquid 1, and mixing the water-based flexible polyacrylate emulsion and the amino modified polyether silicone oil to make the mixed liquid 2 , The mixed solution 1, the mixed solution 2, the silane coupling agent and the absolute ethanol are mixed uniformly, added to the water in which a proper amount of ammonium silicofluoride is dissolved, and the auxiliary agent is made after being fully dissolved.

[0075] The auxiliary agent is impregnated according to the amount of o.w.f 1.9% to 4.7%, the liquid ratio of 1:10 to 1:15, and the temperature of 60°C to 90°C for 23 to 36 minutes, then take it out, dehydrate and dry. The fabric can also be finished according to actual needs according to the process conditions in the prior art.

[0076] For example, the following additives can be used for finishing:

Embodiment 1

[0078] PTFE emulsion 18Kg Benzyl silicone oil emulsion 14.5Kg Amino modified polyether silicone oil 4.1Kg Water-based flexible polyacrylate emulsion 12Kg A silane coupling agent 0.5Kg Ammonium silicofluoride 0.19Kg Absolute ethanol 1.8Kg water 48.91Kg

Embodiment 2

[0080] PTFE emulsion 22Kg Benzyl silicone oil emulsion 13Kg Amino modified polyether silicone oil 4.7Kg Water-based flexible polyacrylate emulsion 19Kg A silane coupling agent 1.4Kg Ammonium silicofluoride 0.26Kg Absolute ethanol 0.7Kg water 38.94Kg

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Abstract

The invention relates to metal-wire-containing electric heating fabric suitable for a severe environment. A main body is formed by spinning yarns, an electric channel formed by metal wires and capable of heating after power is on is arranged in the main body, and various function layers can be arranged on the fabric surface according to requirements. The electric heating fabric has high mechanical performance and electric heating performance, can prevent water effectively, is resistant to high temperature and low temperature, suitable for various severe environments, good in internal electrical conductivity and small in resistance. An electrical characteristic and a heating characteristic of the fabric can be adjusted effectively by adjusting the tensioning degree or compact degree of the fabric. The fabric is suitable for heat preservation and heating of devices under various outdoor situations, especially long-distance electric heating snow removing and ice removing of tracks.

Description

Technical field [0001] The invention relates to an electric heating fabric, in particular to an electric heating fabric containing metal wires that can be applied to harsh environments. Background technique [0002] At present, the common electric heating element is a metal heating wire, usually a spiral structure, which can be wrapped with a fabric skin for protection and / or insulation, and this metal heating wire is laid in the middle of the fabric interlayer to form an electric blanket or the like Flat electric heating products, the defects of this kind of electric heating products are: (1) Since the conduction and heat are concentrated on the heating wire, the other parts of the product are not conductive or heating, so not only the heating is uneven, but the heating wire itself has a high heat , It is easy to cause local high-temperature aging or even burnt near the heating wire; (2) Since the heating wire must be laid in advance according to the required pattern, the produc...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D03D15/02H05B3/36D06M15/256D06M15/647D06M15/643D06M15/263D06M13/50D03D15/67
Inventor 刘燕波石立红于梅曹军庆
Owner BEIJING GUANGHUA TEXTILE GRP
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