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Electrical connection element for fastening, in particular soldering, to a glass pane, and ribbon litz wire mixed braid

A welding connection and electrical connection technology, applied in the direction of welding/welding connection, conductive connection, electrical components, etc., can solve the problems of annealing, reducing the strength of electrical connection components, high thermal load, etc.

Active Publication Date: 2017-02-22
FEW FAHRZEUGELEKTRIKWERK +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If materials are used for the soldered connection, which have a different melting point than copper and which are used for the soldered connection, there is the risk that, due to the temperature, the material of the stranded wire, i.e. the material of the conductor, is subjected to excessive thermal loads and in particular anneals and becomes brittle
This brittleness of such stranded ribbon conductors can significantly reduce the strength of electrical connection elements

Method used

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Examples

Experimental program
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Embodiment Construction

[0024] The present invention will be described in detail below according to an embodiment.

[0025] Known electrical connection elements for vehicle glazing include actual soldering targets and soldering alloys as well as ribbon stranded wires and interfaces with on-board electronics, for example designed as conventional 6.3 mm flat plugs according to DIN46244. The soldering target and the ribbon strand as well as the ribbon strand and the interface to the on-board electronics can be connected by resistance welding.

[0026] In resistance welding, a corresponding current is applied to the materials to be joined. Heat is generated where there is resistance. The greatest electrical resistance exists on the one hand at the transition of the copper braid to the welding target and on the other hand at the point where the electrodes of the resistance welding device come into contact with the material. Resistance welding of dissimilar materials can lead to the difficulties describe...

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PUM

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Abstract

The invention relates to an electrical connection element for fastening, in particular soldering, to a glass pane and conductive sections present there, in particular to a vehicle window, consisting of a solder connection part and a ribbon litz wire section fixed to the solder connection part by welding. According to the invention, the ribbon litz wire section consists of a mixed braid which, in addition to single wires made of copper or a copper alloy, contains single wires made of a material which has a melting temperature that corresponds substantially to the melting temperature of the solder connection part or has a higher melting temperature than the latter.

Description

technical field [0001] The invention relates to an electrical connection according to the preamble of claim 1 for fastening, in particular welding, to a glass pane and to conductive sections present on the glass pane, in particular to a motor vehicle window pane element, said electrical connection element comprising a soldered connection part and a strip litz wire section fixed on the soldered connection part by welding, and the invention also relates to a hybrid braid for an electrical connection element according to claim 7 Ribbon strands, the hybrid braided ribbon strands are used in particular for electrical connection elements fastened to the glass pane and to the electrically conductive sections present on the glass pane. Background technique [0002] An electrical connection for heating a vehicle window is previously known from DE 691 02 964 T2. The connecting element is used for producing an electrical connection to a conductor layer arranged on the window pane and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01R4/02
CPCH01R4/02H01R4/029H01R43/0214H01R2201/26H01B1/02B60R16/03B60S1/026H01B5/08H05B3/84H05B2203/016
Inventor B·施奈德A·延里希W·哈特曼
Owner FEW FAHRZEUGELEKTRIKWERK
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