Resilient Detachable Fasteners for Safety Switch Panel Adaptability
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Solution Overview
Problem
Conventional safety switches face issues with fasteners breaking due to high thermal resistance requirements, leading to reduced resilience and limited practicality as they are often specific to certain panels, failing to timely interrupt high electrical currents.
Innovation Solution
The safety switch features detachable fasteners made of a more resilient material than the base and cover, allowing for different sizes and configurations to fit various panels, ensuring the fasteners are not easily broken and can effectively interrupt high electrical currents.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If the base and cover are made by heat-resistant material to endure high temperature, then the safety switch can withstand high temperature, but the resilience of the fasteners is reduced and they are easily broken
Solution Approach 1:
The fastening system is divided into two independent parts: the base/cover structure made of heat-resistant material and the fasteners made of resilient material. This segmentation allows each component to be optimized for its specific function without compromising the other.
Solution Approach 2:
Different materials with different properties are used in different locations: heat-resistant material for the base and cover where thermal resistance is needed, and resilient material for the fasteners where mechanical flexibility is needed. This local quality approach resolves the contradiction by applying material properties only where required.
2Manufacturing precision
If the safety switch is designed for a specific panel, then the mounting is precise, but the practicality is reduced due to low adaptability
Solution Approach 1:
The fasteners are designed with adjustable characteristics that allow the same safety switch structure to be mounted on panels of different thicknesses and configurations. The resilient material and detachable design enable the fasteners to adapt to various panel types while maintaining precise mounting.
Solution Approach 2:
The fasteners are made of resilient material that can dynamically adjust to different panel conditions. This dynamic property allows the fasteners to deform and adapt to varying panel thicknesses and rigidity, enabling universal application across different panel types.
3Stability of the object's composition
If the button applies large biasing force to the bimetal strip, then the button remains stable, but the distortion of the bimetal strip is delayed and the heavy current is not timely interrupted
Solution Approach 1:
The biasing force parameter is optimized to an appropriate level rather than maximized. This parameter change allows the bimetal strip to achieve sufficient distortion for reliable contact separation while maintaining fast enough response time for current interruption, resolving the contradiction between stability and speed.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The solution enhances the durability of fasteners and increases the safety switch's versatility by allowing it to fit different panels, effectively interrupting high electrical currents without damaging the device.
Implementation Method 1
The fasteners are made of resilient material more resilient than materials for the base and the cover
Implementation Method 2
The bimetal strip is made of two metal plates having different thermal expansion coefficients
Data Source
AI summary
A safety switch is a shell and has a base, a cover and two fasteners. The fasteners are detachably mounted on the base and the cover. The fasteners are made of resilient material more resilient than material for the base and the cover so the safety switch can keep the fastener from being broken. Furthermore, the fasteners can be arranged in different sizes to allow the safety switch to fit with different panels.