a heating element

A heating element and heating layer technology, which is applied to electric heating devices, ohmic resistance heating, heating element materials, etc., can solve the problems of large occupied volume and narrow application area of ​​heating elements, and achieves convenient application, wide application area and high reliability. Effect

Active Publication Date: 2020-09-08
湖南源创高科工业技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] The purpose of the present invention is to provide a new type of heating element technology to solve the technical problems of existing heating elements that occupy a large volume and narrow applicable areas

Method used

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Embodiment 1

[0078] The preparation method of embodiment 1 is:

[0079] Step A, preparation of functional slurry:

[0080] Mix the solvent, filler modification, dispersant, and functional filler in proportion, then ball mill for 5 minutes to 168 hours, control the temperature of the slurry during the mixing and grinding process to not be higher than 45°C, and analyze the particle size to reach the qualified particle size range to obtain the filler slurry; the filler slurry, Inorganic nano-SiO 2 Resin film-forming agent and regulator are mixed in proportion, ball milled or high-speed sheared for 10 minutes to 30 minutes, then filtered through a 100-mesh sieve, and the settled part is discarded to obtain the remaining part to obtain the functional slurry;

[0081] The inorganic nano film-forming agent is prepared by ion exchange method.

[0082] Step B, coating preparation and maintenance:

[0083] First, clean and roughen the base surface, and then apply layer by layer in the order of th...

Embodiment 2

[0089] The preparation method of embodiment 2 is:

[0090] Step A, preparation of functional slurry:

[0091] Mix the solvent, filler modification, dispersant, and functional filler in proportion, then ball mill for 5 minutes to 168 hours, control the temperature of the slurry during the mixing and grinding process to not be higher than 45°C, and analyze the particle size to reach the qualified particle size range to obtain the filler slurry; the filler slurry, Inorganic nano-SiO 2 Resin film-forming agent and regulator are mixed in proportion, ball milled or high-speed sheared for 10 minutes to 30 minutes, then filtered through a 100-mesh sieve, and the settled part is discarded, and the remaining part is obtained as a functional slurry;

[0092] The inorganic nano film-forming agent is prepared by alkoxide hydrolysis.

[0093] Step B, coating preparation and maintenance:

[0094] First, clean and roughen the base surface, and then apply layer by layer in the order of the ...

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Abstract

The invention provides a heating body, which includes a first insulating layer, a heating layer, a second insulating layer, and an input electrode and a plurality of current distribution electrodes arranged on the heating layer in addition to a base surface; the first insulating layer, the heating layer and the second The insulating layer is a continuous coating; the input electrode and the current distribution electrode are superimposed on the heating layer in the form of discontinuous islands, and a plurality of the current distribution electrodes are connected as required, and some of the current distribution electrodes are interconnected by wires or Connect directly through metallization; connect the electrode wires to the input electrodes; the base surface is any geometric surface including plane, curved surface and folded surface. In the present invention, the heating element obtained after curing is made of high-strength all-inorganic material, high temperature resistance and aging resistance, no gap heating layer design, wide application and flexible application.

Description

technical field [0001] The invention relates to the technical field of heating elements, in particular to a new high-power surface heating element with small volume and low cost that can be widely used in various liquid heating applications. Background technique [0002] Most of the electric heating solutions in existing products are based on tubular electric heating elements. For example, electric heating tubes use metal tubes as shells (including stainless steel and copper tubes), and spiral electric heating alloy wires (nickel-chromium, iron-chromium alloys) are evenly distributed along the central axis of the tubes. Magnesia, both ends of the nozzle are sealed with ceramic glass, etc. The manufacturing process is mature, the performance is stable, and the application is wide. This tubular structure limits the application of this product. For example, when it is applied to an electric kettle, it is necessary to reserve an additional space for the thickness of the electr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H05B3/28H05B3/12H05B3/03A47J27/00
CPCA47J27/004H05B3/03H05B3/12H05B3/283H05B2203/013H05B2203/017
Inventor 彭虎刘建平刘忠夏广斌
Owner 湖南源创高科工业技术有限公司
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