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Heat-Generating Element and Electric Heating Device Containing Such

A technology of electric heating device and heating element, applied in electric heating device, heating element, ohmic resistance heating, etc., can solve the problems of deteriorating thermal transition, PTC element can no longer absorb power, and reducing the efficiency of PTC element.

Active Publication Date: 2020-10-09
EBERSPACHER CATEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Because in the absence of sufficient heat dissipation, the PTC element can no longer absorb power due to self-regulating properties, there will be degraded thermal transitions at the phase boundaries, which will reduce the efficiency of the PTC element
The efficiency of the PTC element then decreases

Method used

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  • Heat-Generating Element and Electric Heating Device Containing Such
  • Heat-Generating Element and Electric Heating Device Containing Such
  • Heat-Generating Element and Electric Heating Device Containing Such

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0031] figure 1 All components of an embodiment of a heating element are shown, prepared with a predetermined geometry and configuration for producing the heating element.

[0032] exist figure 2The heating element marked with reference numeral 20 has a heating element housing 21 formed by a shell-shaped housing element 22 and a flat housing fitting element 24 formed like a kind of cover . The shell-shaped housing element 22 has a base 26 formed in a planar manner (see figure 1 ), and its outer surface 28 defines the heat dissipation outer surface of the heating element housing, which extends in a plane-parallel manner relative to the inner side of the base 26 . On this base 26 is placed a metal fabric, designated with the reference numeral 30 as an example of a conductive element with through-holes. This metal fabric 30 as a homogeneous part forms a conductor track 32 and a planar and planar contact strip 34 associated with the conductor track 32 . The conductor track 3...

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PUM

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Abstract

The invention relates to a heat-generating element for an electric heating device. The electric heating device is particularly used in a motor vehicle. The heat-generating element includes a heating element casing which comprises a casing element formed from a ceramic material and a casing mating element formed from a ceramic material. The two casing elements bear against each other in a sealing manner and enclose, in a sealing manner between each other, a PTC element and conductor tracks. The conductor tracks bear, in an electrically conductive manner, against the PTC element and are assigneddifferent polarities for energizing the PTC element. The heating element casing carries contact strips connected in an electrically conductive manner to the associated conductor tracks. At least oneof the conductor tracks is formed by an electrically conductive element which is provided with through holes and which, in a height direction of the conductor track, comprises discrete points of support that bear against the PTC element and one of casing element and casing mating element.

Description

technical field [0001] The invention relates to a heating element and an electric heating device. [0002] The invention relates in particular to a heating element for an electric heating device which is used in particular in motor vehicles and which must therefore meet different requirements. Background technique [0003] A heating element having the features of the preamble of claim 1 is known from DE 10 2017 209 990 A1. [0004] In this prior art, the heating element housing consists of two housing elements which are joined to each other in a sealed manner. The PTC element is arranged within the heating element housing. The heating element housing still further surrounds conductor tracks, which are assigned different polarities and which generally bear against the PTC element on oppositely arranged sides. These conductor tracks are electrically conductively connected to contact strips which extend beyond the end sides of the heating element housing and serve to electri...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H05B3/10
CPCH05B3/10F24H3/0464F24H9/1872H05B2203/02H05B2203/023H05B3/50H05B3/06H05B3/04H05B3/24H05B2203/016
Inventor 帕特里克·卡彻尔霍夫库尔特·瓦尔茨
Owner EBERSPACHER CATEM