Water-Resistant Switch Actuator with Anti-Microbial Composite
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Solution Overview
Problem
Existing water-resistant electrical devices lack effective antimicrobial protection, particularly in environments prone to moisture and microbial growth, such as hospitals and food prep locations.
Innovation Solution
Incorporating an anti-microbial material into the switch actuator and faceplate of water-resistant electrical switch assemblies, which includes a seal system to prevent water ingress and features like a rocker switch with a brush arm and bellows-type seal to enhance water resistance, while using polymers with silver powder as an anti-microbial blend.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If water-resistant components are used in electrical devices, then water resistance is improved, but microbial growth protection is not provided
Solution Approach 1:
The patent applies composite materials by combining water-resistant materials with anti-microbial materials in the switch actuator and faceplate. Specifically, the switch actuator is made from a material that is both water-resistant and contains anti-microbial agents, creating a composite structure that simultaneously provides water resistance and protection against microbial growth. This resolves the contradiction by integrating multiple functional properties into a single composite material system.
2Object-affected harmful factors
If anti-microbial material is added to switch actuator, then microbial protection is improved, but device complexity increases
Solution Approach 1:
The patent merges the water-resistant function and anti-microbial function into a single integrated component (the switch actuator). Instead of adding separate anti-microbial treatment as an additional layer or component, the anti-microbial properties are incorporated directly into the actuator material itself. This merging approach provides microbial protection while minimizing increases in device complexity.
3Reliability
If seal system is added to prevent water ingress, then water resistance is improved, but manufacturing complexity increases
Solution Approach 1:
The patent employs flexible seal elements (bellows-type seals) that can flex and move with the switch actuator while maintaining the water-resistant barrier. These thin film-like seal components are designed to accommodate the movement of the rocker switch without compromising the seal integrity. This approach provides effective water ingress prevention while keeping the manufacturing process relatively simple compared to rigid sealing solutions.
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 provides enhanced protection against bacterial, mold, mildew, and fungal growth, ensuring the electrical devices remain functional and hygienic in wet conditions while maintaining water resistance.
Implementation Method 1
A seal extends between the switch actuator and the switch housing. The seal is seated against the first rim and the second rim.
Implementation Method 2
The switch actuator includes an anti-microbial material. At least one of the switch actuator and the faceplate includes an anti-microbial material.
Implementation Method 3
A brush arm is positioned at least partially in the switch housing and engages the switch actuator.
Data Source
AI summary
An electrical switch assembly includes a switch actuator connected to a switch housing. The switch housing is connected to a baseplate. A faceplate is connected over the baseplate. At least one of the switch actuator and the faceplate includes an anti-microbial material.