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Surface heat source

A heat source and heating element technology, applied in the field of surface heat source based on carbon nanotubes, can solve the problems of low carbon fiber electrothermal conversion efficiency, insufficient carbon fiber strength, unfavorable energy saving and environmental protection, etc., and achieve high electrothermal conversion efficiency, long service life, heat generation uniform effect

Active Publication Date: 2009-12-16
TSINGHUA UNIV +1
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  • Abstract
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Problems solved by technology

[0005] However, the use of carbon fiber as a heating element has the following disadvantages: first, the strength of carbon fiber is not large enough, the flexibility is not good enough, and it is easy to break. It is necessary to add cotton thread to improve the strength of carbon fiber, which limits its scope; second, the electrothermal conversion efficiency of carbon fiber itself Low, it is necessary to add cotton thread coated with far-infrared paint to improve the electrothermal conversion efficiency, which is not conducive to energy saving and environmental protection

Method used

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Embodiment Construction

[0018] The surface heat source provided by the present invention will be described in detail below with reference to the drawings and specific embodiments.

[0019] see figure 1 and figure 2 , The first embodiment of the present invention provides a surface heat source 10, the surface heat source 10 is a two-dimensional structure, that is, the surface heat source 10 is a structure extending along a two-dimensional direction. However, it should be pointed out that even if there is a two-dimensional structure with a certain thickness, the embodiment of the structure that is still regarded as or approximately regarded as two-dimensional structure macroscopically, such as: plate-shaped, film-shaped and other structures, should also be regarded as protected by the present invention scope.

[0020] The surface heat source 10 includes a heating element 16 , a first electrode 12 and a second electrode 14 . The heating element 16 is electrically connected to the first electrode 12 ...

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Abstract

The invention relates to a surface heat source, which comprises a heating element including a carbon nanotube structure which comprises a plurality of evenly distributed carbon nanatubes; and at least two electrodes spacedly arranged and electrically connected with the heating element. The surface heat source can be used for manufacturing self-heating warming clothes, warming glove or warming shoes, electric heater, infrared therapeutic apparatus, electrical heater and the like.

Description

technical field [0001] The invention relates to a surface heat source, in particular to a surface heat source based on carbon nanotubes. Background technique [0002] Heat sources play an important role in people's production, life and scientific research. A surface heat source is a type of heat source. The surface heat source is a two-dimensional structure, and the object to be heated is placed above the two-dimensional structure to heat the object. Therefore, the surface heat source can heat all parts of the object to be heated at the same time, with a large heating surface, uniform heating and high efficiency. . Surface heat sources have been successfully used in industrial fields, scientific research fields, or living fields, such as electric heaters, electric blankets, infrared therapeutic devices, and electric heaters. [0003] The existing surface heat source generally includes a heating element and at least two electrodes, and the at least two electrodes are arran...

Claims

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Application Information

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IPC IPC(8): H05B3/20H05B3/14B82B1/00
CPCH05B2214/04
Inventor 冯辰刘锴姜开利范守善
Owner TSINGHUA UNIV
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