Modular Electrical Switch Removable Rearming Module
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Solution Overview
Problem
Existing electrical devices with medium and high voltage capabilities face challenges in customizable control mechanisms and production efficiency due to complex and bulky mechanical links required for auxiliary functions, particularly in choosing rearming technologies at the final assembly stage.
Innovation Solution
A modular electrical switch design featuring a control mechanism with a first rotation shaft and a rearming module, where the first rotation shaft passes through a housing wall and is coupled with a rotation sensor outside, and the rearming module is removably fixed against a second housing wall, allowing for interchangeable rearming technologies using planetary gear or ratchet systems, driven by motors or manual cranks, and equipped with sensors for angular displacement measurement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If complex mechanical links are used to install auxiliary contacts and enable customization, then the electrical device can achieve auxiliary functions and customization, but the device complexity and bulk increase
Solution Approach 1:
The patent replaces complex mechanical linkages with magnetic coupling between the control shaft and auxiliary contacts. The magnetic field enables force transmission and positional sensing without physical mechanical links, thereby achieving auxiliary functions while reducing device complexity and bulk.
Solution Approach 2:
The control shaft is designed to serve multiple functions: it directly controls the mobile contacts and simultaneously provides magnetic coupling to drive auxiliary contacts and enable customization options. This multi-functionality eliminates the need for separate mechanical linkages for each auxiliary function.
2Reliability
If rearming module is integrated into the housing during final assembly, then the electrical device achieves complete functionality, but the customization and production efficiency are reduced
Solution Approach 1:
The patent segments the control mechanism into a fixed housing containing the control shaft and a removable rearming module that can be attached or detached. This segmentation allows the rearming module to be selected and installed after housing production, enabling final customization while maintaining production efficiency through standardized housing components.
Solution Approach 2:
The rearming module is designed with dynamic attachability - it can be removed and reattached to the housing as needed. This dynamic configuration allows flexibility in customization during final assembly while maintaining reliable functionality when installed, resolving the contradiction between complete functionality and production efficiency.
3Adaptability or versatility
If removable rearming module is used outside the housing, then the customization and replacement are facilitated, but the device structure becomes more complex
Solution Approach 1:
The patent introduces a magnetic field as an intermediary between the control shaft inside the housing and the rearming module outside. This magnetic intermediary enables functional coupling without complex mechanical interfaces, allowing the rearming module to be removable and customizable while keeping the overall structural complexity low.
Data Source
AI summary
The invention relates to an electrical switch device comprising contacts which are mobile through actuation of a first rotation shaft (10) and a control mechanism (1) for the mobile contacts which is situated in a housing and which can be rearmed via a second rotation shaft (20). The first rotation shaft (10) passes through a first wall (2, 3) of the housing and the device comprises a first rotation sensor (12) coupled with the first rotation shaft (10) outside of the housing, so as to measure the angular displacement of the first rotation shaft. The second rotation shaft (20) passes through a second wall (2, 3) of the housing and the device comprises a rearming module (25, 26) removably fixed outside of the housing against the second wall (2, 3), so as to be coupled with the second rotation shaft (20) to be able to rearm the control mechanism.