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Electronic component and corresponding production method

A technology of electronic components and manufacturing methods, which can be used in electrical components, electrical solid devices, resistance terminals/electrodes, etc., and can solve problems such as high cost and influence

Inactive Publication Date: 2012-05-23
ISABELLENHUTTE HEUSLER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, these known designs of connection contacts for low-resistance current-sensing resistors are actually suitable for other fields of application and are not particularly suitable for contacting current-sensing resistors due to high currents.
However, the previously mentioned insert nuts are very close to the required mounting technique and have minimal material consumption compared to external voltage sensing connections; however, these types of insert nuts are expensive to manufacture and have thermoelectric voltages generated in the insert nut Disadvantages that significantly affect voltage measurements

Method used

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  • Electronic component and corresponding production method
  • Electronic component and corresponding production method
  • Electronic component and corresponding production method

Examples

Experimental program
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Embodiment Construction

[0071] Figures 1A-1C A current sensing resistor 1 according to the invention is shown, which can be used, for example, in an on-board electrical system to measure the battery current I.

[0072] The current sensing resistor 1 is mainly composed of two plate-shaped connecting parts 2, 3 made of copper, and a resistance element 4, which is also plate-shaped and made of copper-manganese-nickel alloy (such as ), wherein the resistance element 4 is inserted between the two connection parts 2, 3, and welded on the two connection parts 2, 3 by electron beam.

[0073] For supplying or discharging the battery current I to be measured, the current sensing resistor 1 has 2 conventional connection contacts 5, 6, each of which in this embodiment comprises a connection part 2, 1 round hole in 3.

[0074] Furthermore, the current sensing resistor 1 has 2 connection contacts 7, 8 for voltage measurement, which are formed in a novel way and each comprise a plate-shaped connection part 2, 3...

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Abstract

The invention relates to an electronic component (1), in particular a low-ohm current-sense resistor, comprising at least one plate-shaped section (2, 3) and at least one terminal (7, 8) to electrically contact the plate-shaped section (2, 3). According to the invention, the terminals (7, 8) for measuring the voltage drop created by the current flow are formed by means of stamping and thread-shaping in the plate-shaped sections (2, 3).

Description

technical field [0001] The invention relates to an electronic component, in particular to a low-resistance current sensing resistor and a manufacturing method thereof. Background technique [0002] In EP 0605800A1 a low resistance current sensing resistor is disclosed which can be used, for example, in an on-board electrical system to measure the battery current in the framework of a battery management system. Here, the measured battery current is conducted by a low-resistance current sense resistor, wherein the voltage drop across the current sense resistor corresponding to the measured battery current according to Ohm's law, is measured using known four-wire techniques . The current sense resistor here consists of 2 plate-shaped connecting parts made of conductive material (eg, copper), and a resistive element, which is also plate-shaped and made of resistive material (eg, copper-manganese-nickel (CuMnNi) ), wherein the resistance element is inserted between two connecti...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01C1/14H01C17/22H01C17/28
CPCY02E60/12G01R31/36H01L2224/16227H01L2924/1433H01M10/48H01L2924/01087G01R1/203H01C17/28H01L2924/19043H01C1/14H01L2224/16225H01C17/22H01L24/16H01L2924/3011H01L2924/14Y10T29/49204Y02E60/10H01L2924/00
Inventor U·黑茨勒
Owner ISABELLENHUTTE HEUSLER
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