Sealed Modular Button Assembly for Repairable Electronic Enclosures
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Solution Overview
Problem
Traditional electronic device input mechanisms are difficult to seal, allowing contaminants to enter and are not easily testable or repairable, complicating manufacturing and maintenance.
Innovation Solution
A modular button assembly with a sealed button housing and a sensor for detecting inputs, which is separate from the device enclosure and can be easily installed, tested, and replaced, featuring a seal between the button housing and the enclosure to prevent moisture and contaminants from entering.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If traditional input mechanisms are integrated into the device enclosure, then structural integrity is improved, but sealing becomes difficult and contaminants can enter the device
Solution Approach 1:
The button assembly is divided into separate modular components: a button housing containing the input mechanism, a seal element, and an electrical connector. This segmentation allows the button assembly to be attached to the enclosure as a discrete unit with pre-integrated sealing, eliminating the need to compromise the enclosure's structural integrity while maintaining effective sealing against contaminants.
2Stability of the object's composition
If traditional input mechanisms are structurally integrated, then device stability is improved, but component-level testing and repair become difficult
Solution Approach 1:
The button assembly is designed as a modular unit that can be attached and detached from the enclosure without compromising device stability during operation. The electrical connector provides reliable electrical connection while allowing the button assembly to be removed for testing or replacement, enabling component-level diagnostics and repair while maintaining device stability during use.
Solution Approach 2:
The electrical connector acts as an intermediary between the button assembly and the device's internal circuitry. It provides stable electrical connection during operation while facilitating easy disconnection for testing and repair, serving as a mediator that enables both device stability and ease of maintenance.
3Object-affected harmful factors
If a seal is added to prevent contaminant ingress, then sealing effectiveness is improved, but device complexity increases
Solution Approach 1:
The seal element is merged with the button housing to form an integrated sealing system. This combination maintains effective sealing against contaminants while reducing overall complexity by eliminating separate sealing components and simplifying the assembly process. The electrical connector is also integrated into the button housing, further consolidating components.
Data Source
AI summary
A modular button assembly includes a button housing that may be disposed in an opening of an enclosure of an electronic device. The modular button assembly may include an input member that forms an exterior surface of the button housing and is configured to receive inputs, for example from a user of the electronic device. The modular button assembly may further include a sensor to detect the received inputs and transmit a signal to a processor of the electronic device. The modular button assembly may be configured such that disposing the button housing in the opening of the enclosure forms a seal that prevents contaminants from entering the button housing and the enclosure.