Electrically heated unfreezing sheet

A technology of electric heating and heating resistance, applied in ohmic resistance heating, electric heating device, heating element materials, etc., to achieve the effect of high mechanical strength, convenient assembly, and ensure heat conduction efficiency

Inactive Publication Date: 2014-12-10
ANHUI ACT BLUE ENVIRONMENTAL PROTECTION CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

More efficient heat transfer

Method used

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  • Electrically heated unfreezing sheet

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Embodiment Construction

[0012] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific illustrations.

[0013] Such as figure 1 As shown, the present invention includes an upper insulating dielectric layer 1 , a lower insulating dielectric layer 2 , a heating resistor 3 , a thermally conductive substrate 4 , a power supply positive connector 5 and a power negative connector 6 . An upper insulating dielectric layer 1 and a lower insulating dielectric layer 2. The upper insulating medium layer 1 and the lower insulating medium layer 2 are thermally sealed up and down, and a plurality of heating resistors 3 are embedded inside the upper insulating medium layer 1 and the lower insulating medium layer 2, and the heating resistors 3 are electrically connected. The heating resistors 3 at both ends are respectively connected to the positive power connect...

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Abstract

The invention discloses an electrically heated unfreezing sheet. The electrically heated unfreezing sheet comprises an upper insulating medium layer, a lower insulating medium layer, a heating resistor, a power source positive electrode connector and a power source negative electrode connector, wherein the upper insulating medium layer and the lower insulating medium layer are stuck vertically in a sealing manner; at least two heating resistors are embedded in the stuck vertically and integrally stuck upper insulating medium layer and the lower insulating medium layer; the heating resistors are electrically connected in sequence; the heating resistors located on the two ends are respectively connected with the power source positive electrode connector and the power source negative electrode connector. The electrically heated unfreezing sheet has flexibility, can be bent at will, and accordingly can be assembled on curved and special-shaped devices. The electrically heated unfreezing sheet is high in mechanical intensity, vibration-resistant, strong in heat-resistant impact capability, and convenient to assemble.

Description

technical field [0001] The invention relates to the technical field of heating and thawing devices, in particular to an electric heating and thawing sheet used in a fluid medium delivery system. Background technique [0002] Many fluid delivery systems operate at sub-zero temperatures. When the temperature is too low, the conveyed medium will freeze and solidify, causing the conveying channel to be blocked. For example, the urea supply pump of the SCR system is generally used in the temperature environment of -40°C~80°C. When the temperature is lower than -11°C, the urea solution will freeze and solidify, resulting in blockage of the fluid channel in the urea supply pump and loss of urea supply. ability. Therefore, it is necessary to heat and thaw the transport channel. At present, there are two commonly used heating methods: water heating and electric heating. The commonly used PTC electric heating sheet is not flexible and cannot be bent at will; nor can it be made ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H05B3/18H05B3/36
Inventor 刘屹朱庆朱弢朱志强沈志彬
Owner ANHUI ACT BLUE ENVIRONMENTAL PROTECTION CO LTD
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