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Electronic trip

An electronic release and electronic release technology, applied in instruments, circuits, electrical components, etc., can solve problems such as expensive plastics

Inactive Publication Date: 2014-08-06
SIEMENS AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this conductive plastic is still relatively expensive

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0021] according to Figure 4 , the electronic trip unit 101 according to the invention has in particular 10 indicator elements 103 in the form of light-emitting diodes and 7 rotary dial switches 111, just as this is already known in the same way from the electronic trip unit of the type ETU 45B The release is described in the Operating Instructions "Leistungsschalter SENTRON WL", Siemens AG04.2002 and in Figures 1 to 3 shown in .

[0022] due to Figure 4 The respective functions of the rotary dial switch 111 and the indicator elements shown in the diagram basically correspond to the functions of the rotary dial switch and the indicator elements of the ETU 45B, and this operating manual can be explicitly referred to without a detailed description of the functions. The illustrated electronic trip unit 101 is used in particular in low-voltage circuit breakers.

[0023] according to Figure 5 , the electronic trip unit has, in addition to the first part forming the operating...

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PUM

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Abstract

The trip (101) has an operating and display front part (107) with window-like openings (106), and a printed circuit board that is arranged in a housing. The board has a fiber-optic cable element transmitting light signals from display elements i.e. LEDs, to the openings, where the cable element comprises light inputs and light outputs. The cable element is fastened to a side of the front part by fastening parts that are integral component of the housing. The housing is made of metal sheet plate and the fastening parts are formed from double-folded bent latches of the housing. An independent claim is also included for a method for fixing a fiber-optic cable element at a housing of an electronic trip.

Description

technical field [0001] The invention relates to an electronic release, in particular for a low-voltage circuit breaker, which has a housing to which an optical waveguide element is fastened. The invention also relates to a method for fastening an optical waveguide element to a housing of an electronic trip unit. Background technique [0002] Low-voltage circuit breakers are usually equipped with an electronic release in the form of an overcurrent release, which does not depend on the structural size of the low-voltage circuit breaker, except that it has functions for power supply, signal provision, signal processing, and In addition to the signal output and the function group for adjusting release parameters, there is also a function group for display. [0003] There are analog-operating and digital-operating electronic trip units. Trip units that operate in analog mode usually simulate a release value, such as a release current, via resistors and capacitors. Digitally op...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01H71/02H01H71/04H05K9/00F21V8/00F21Y101/02F21W111/00
CPCH05K5/0017
Inventor 侯赛因·霍季奇
Owner SIEMENS AG