Self-fixing electric tracing band

A self-fixing technology of electric heating cables, which is applied in the field of cables, can solve the problems of shortened service life of electric heating cables, cumbersome fixing methods of electric heating cables, and inability to dissipate moisture or heat, so as to improve efficiency and reduce the risk of emergencies Probability, the effect of improving the service life

Inactive Publication Date: 2018-12-07
江苏凯博防爆电气有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention overcomes the existing defects, and provides a self-fixing electric heating cable, which can effectively solve the cumbersome fixing method of the electric heating cable at the present stage, which will cause damage to the structure of the electric tracing cable; Tropical cables are closely attached to the surface of the pipe, and the moisture or heat that will ooze out of the pipe surface cannot be dissipated, and they are all transferred to the electric heating cable, which shortens the service life of the electric heating cable.

Method used

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  • Self-fixing electric tracing band
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Embodiment Construction

[0019] The preferred embodiments of the present invention will be described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.

[0020] like Figure 1-2 As shown, a self-fixing electric heating cable includes a wire 1, the outer surface of the wire 1 is wrapped with an inner tube protective layer 2, the outer surface of the inner tube protective layer 2 is wrapped with a fireproof glass fiber braided layer 3, and the fireproof glass fiber braided The outer surface of the layer 3 is wrapped with a waterproof insulation layer 4, the outer surface of the waterproof insulation layer 4 is wrapped with a braided shielding layer 5, the outer surface of the braided shielding layer is wrapped with an outer protective layer 6, and the side of the outer protective layer 6 is provided with protection in a...

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Abstract

The invention relates to a self-fixing electric tracing band, which comprises a lead wire, wherein the outer surface of the lead wire is wrapped with an inner wire tube protective layer, the outer surface of the inner wire tube protective layer is wrapped with a fireproof glass fiber braid layer, the upper surface of the protective layer is provided with a first connecting wing, a circular throughhole is formed in the surface of the first connecting wing, a second connecting wing is arranged on the lower surface of the protective layer, and the surface of the second connecting wing is fixedlyconnected with a connecting belt. Thus, through the cooperative use of the connecting belt and a limiting ring, the electric tracing band is tightly fixed on the surface of a pipeline when the electric tracing band is being fixed, the connecting belt is an elastic telescopic belt and can be used by pipelines of different diameters in a certain range, the operation is simple, other materials required for installation do not need to be sought additionally, the installation and storage are convenient, and the installation efficiency and the stability of the electric tracing band are improved.

Description

technical field [0001] The invention relates to a self-fixing electric heating cable, which belongs to the technical field of electric cables. Background technique [0002] Electric heating cable is composed of conductive polymer and two parallel metal wires and insulating sheath. Its characteristic is that the conductive polymer has a high positive temperature coefficient and is connected in parallel with each other. It can automatically adjust the output power with the temperature change of the heated system, and automatically limit the heating temperature. It can be arbitrarily shortened or connected to a certain range for use. , and allows multiple overlapping without high temperature hot spots and burning concerns. The electric heating cable is a new generation of the only strip constant temperature electric heater. The resistivity of the heating element has a very high positive temperature coefficient "PTC" (Postive Temperature Coefficient) and is connected in parall...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H05B3/56H05B3/02
CPCH05B3/56H05B3/02
Inventor 张松
Owner 江苏凯博防爆电气有限公司
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