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Linear heat source

A wire heat source, wire-shaped technology, applied in the direction of electric heating device, heating element material, heating element shape, etc., can solve the problems of difficult application of flexible wire heat source, poor flexibility and mechanical strength, high electrode resistivity, etc., and achieve light weight. , good flexibility and mechanical strength, the effect of low density

Active Publication Date: 2012-10-10
TSINGHUA UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, electrodes using metal sheet, metal wire, metal film, indium tin oxide (ITO) layer, antimony tin oxide (ATO) layer, conductive silver glue layer or conductive polymer layer as a line heat source have the following disadvantages: first , the resistivity of the electrode is large, so the loss of electric energy is also large
Second, the electrode has poor flexibility and mechanical strength, it is easy to break after long-term folding, and its service life is short, so it is not easy to apply to flexible wire heat sources
Third, the density of the electrode is high, the weight is heavy, and it is inconvenient to use

Method used

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Embodiment Construction

[0016] The linear heat source provided by the technical solution will be described in detail below in conjunction with the accompanying drawings.

[0017] see Figure 2 to Figure 4 The embodiment of the technical solution provides a linear heat source 20, the linear heat source 20 includes a linear base 202; a reflective layer 210 is disposed on the surface of the linear base 202; a heating layer 204 is disposed on the surface of the reflective layer 210; Two electrodes 206 are spaced apart on the surface of the heating layer 204 and electrically connected to the heating layer 204 ; and an insulating protection layer 208 is disposed on the surface of the heating layer 204 . The length of the linear heat source 20 is not limited, and the diameter is 0.1 micron to 1.5 cm. The diameter of the linear heat source 20 in this embodiment is preferably 1.1 millimeters to 1.1 centimeters.

[0018] The linear base 202 is used to support the heating layer 204, and its material can be a ...

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Abstract

The invention relates to a linear heat source, which comprises a linear substrate, a heating layer arranged on the surface of the linear substrate, and two electrodes arranged on the surface of the heating layer at intervals and electrically connected with the heating layer respectively, wherein in the two electrodes, at least one electrode comprises a carbon nanotube structure.

Description

technical field [0001] The invention relates to a line heat source, in particular to a line heat source based on carbon nanotubes. Background technique [0002] Heat sources play an important role in people's production, life and scientific research. The wire heat source is one of the commonly used heat sources, and is widely used in electric heaters, infrared therapeutic devices, electric heaters and other fields. [0003] See figure 1 , the prior art provides a wire heat source 10, which includes a hollow cylindrical support 102; a heating layer 104 is arranged on the surface of the support 102, and an insulating protective layer 106 is arranged on the surface of the heating layer 104; two electrodes 110 are respectively arranged It is located at both ends of the bracket 102 and is electrically connected to the heating layer 104 ; two clamping parts 108 fix the two electrodes 110 and the heating layer 104 on the two ends of the bracket 102 respectively. Wherein, the ele...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H05B3/40H05B3/48H05B3/54H05B3/14
CPCH05B2214/04
Inventor 刘锴冯辰姜开利范守善
Owner TSINGHUA UNIV