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Far infrared flexible wearable heating sheet and preparation method and application thereof

A far-infrared and heating sheet technology, applied in the field of far-infrared heating, can solve problems such as difficulty in ensuring industrial mass production, uneven film resistance, and low product yield, and achieve improved blood microcirculation, uniform resistance distribution, Fast heating effect

Pending Publication Date: 2018-11-20
SUZHOU HANANO MATERIALS TECH LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The resistance value of the deposited film is not uniform, the product yield is not high, and the output per unit time is extremely low, it is difficult to guarantee the mass production of the industry

Method used

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  • Far infrared flexible wearable heating sheet and preparation method and application thereof
  • Far infrared flexible wearable heating sheet and preparation method and application thereof
  • Far infrared flexible wearable heating sheet and preparation method and application thereof

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preparation example Construction

[0043] One aspect of the embodiments of the present invention provides a method for preparing a far-infrared flexible wearable heating sheet, which includes:

[0044] Provide a flexible heating body and a flexible insulating material layer, the flexible heating body is electrically connected to electrodes, the flexible heating body includes a carbon material heating film, and the carbon material heating film includes a carbon material layer, which is arranged at both ends of the carbon material layer And / or parallel electrodes or interdigitated electrodes on both sides and high temperature resistant insulating layers covering both sides of the carbon material layer;

[0045] The flexible insulating material layer is arranged on opposite sides of the flexible heating element, and pressed and solidified by using fast pressure or pressure transmission equipment, so as to realize the sealing and insulation of the heating element and the electrode;

[0046] Wherein, the carbon mate...

Embodiment 1

[0093] This embodiment provides a carbon nanotube wearable heating sheet, and the heating sheet uses carbon nanotubes as heating elements. The manufacturing method of the heating element is to prepare a flexible heating layer of carbon nanotubes with a thickness of 50 μm on the substrate by wet coating. Carbon nanotube powder is dispersed in water-based or oil-based polymer solution, and is dried by coating to form a self-supporting flexible conductive film; the electrodes on the conductive film are designed and configured according to the required power, generally It is necessary to design multi-point electrodes, simulate and conduct actual heating tests through thermal analysis software to achieve uniform heating effects. After the multi-point electrodes are connected in series and parallel, they are drawn out in the form of USB twin wires. The internal resistance of the heating element is 5Ω; after the heating element is cut / perforated, it is laminated with the upper and l...

Embodiment 2

[0096] A graphene wearable heating sheet of this embodiment, the heating sheet uses graphene as a heating element. The manufacturing method of the heating element is to prepare a graphene flexible heating layer with a thickness of 45 μm on the substrate by wet coating. Graphene powder is dispersed in water-based or oil-based polymer solution, and is dried by coating to form a self-supporting flexible conductive film; the electrodes on the conductive film are designed and configured according to the required power. Through the design method of multi-point electrodes, the simulation and actual heating test are carried out through thermal analysis software, and the effect of uniform heating can be realized. After the multi-point electrodes are connected in series and parallel, they are drawn out in the form of USB twin wires. The internal resistance of the heating element is 5Ω; after cutting / punching, the heating element is bonded with the upper and lower films to achieve insul...

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Abstract

The invention discloses a far infrared flexible wearable heating sheet and a preparation method and an application thereof. The preparation method comprises the following steps that at least one flexible heating body and a flexible insulating material layer are provided, wherein each flexible heating body is electrically connected with an electrode; the flexible heating body comprises a carbon material heating film, wherein the carbon material heating film comprises a carbon material layer, parallel electrodes or interdigital electrodes arranged at the two ends and / or on the two sides of the carbon material layer, and high-temperature-resistant insulating layers for covering the two sides of the carbon material layer; and the flexible insulating material layer is arranged on the two opposite sides of the flexible heating body, and lamination and curing are performed by fast pressing or transfer pressing equipment, so that sealing and insulation of the heating body and the electrode arerealized, wherein the carbon material heating film is prepared by wet coating. According to the preparation method, batch consistency preparation of the flexible carbon material heating film is realized by utilizing a wet-process coating technology; and through electrode design, the carbon material heating film can be driven by a low voltage so as to generate heat, and application to the field offlexible wearable heating can be realized finally.

Description

technical field [0001] The invention relates to a wearable heating sheet, in particular to a far-infrared flexible wearable heating sheet, a preparation method thereof and an application thereof in the heating field, belonging to the technical field of far-infrared heating. Background technique [0002] Wearable heating products, such as heated clothing, heated knee pads, heated insoles, and various wearable flexible heating physiotherapy devices and equipment, are increasingly favored by consumers. Consumers can still feel the benefits of thin and light clothing in the cold winter. Warm experience, you can feel the physical therapy effect brought by far infrared heating freely. Wearable heating products generally add a heating unit to the wearable product to realize the heating function. [0003] At present, the existing heating units in the market mainly include the following types: resistance wire heating sheets, screen-printed conductive pastes, and nano-carbon material...

Claims

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Application Information

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IPC IPC(8): H05B3/34H05B3/14
CPCH05B3/145H05B3/342H05B2203/017H05B2203/013H05B2203/036
Inventor 陈新江其他发明人请求不公开姓名
Owner SUZHOU HANANO MATERIALS TECH LTD
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