Pushbutton Casing Drainage System for Liquid Spill Protection
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Solution Overview
Problem
The increasing use of laptops in environments where beverages are consumed poses a risk of liquid damage to electronic devices, as there is no effective drainage system to prevent liquids from reaching circuit boards.
Innovation Solution
A drainage system comprising a liquid collecting receptacle and a counter-bore with a drainage exit on the sidewall, designed to collect and direct liquid away from the pushbuttons on a computer casing, preventing it from contacting the circuit boards.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If no water drainage system is provided, then the device structure remains simple, but liquid may damage the circuit boards and impair operating functions
Solution Approach 1:
The drainage system is nested within the existing pushbutton casing structure. The counter-bore is formed inside the casing, and the drainage exit is integrated into the sidewall of the counter-bore, allowing the drainage function to be embedded within the existing structural framework rather than adding external components
Solution Approach 2:
The pushbutton casing itself serves as the drainage structure through the counter-bore and drainage exit integration. The casing's sidewall is modified to include the drainage exit, transforming the protective shell into an active drainage component that guides liquid away from sensitive areas
2Reliability
If a drainage system is added to protect against liquid damage, then reliability improves, but the device complexity increases
Solution Approach 1:
The drainage system merges the counter-bore and drainage exit into a single integrated structural feature of the pushbutton casing. Rather than separate drainage components, the counter-bore cavity and its sidewall drainage exit are combined into one unified element that performs both liquid collection and directional discharge functions
Solution Approach 2:
The pushbutton casing serves multiple functions: it provides the structural housing for pushbuttons, collects liquid that permeates between pushbuttons, and directs liquid away from circuit boards through the integrated counter-bore and drainage exit system
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
Effectively prevents liquid from reaching the circuit boards, ensuring the operational integrity of electronic devices by providing a controlled drainage mechanism for liquids that spill or permeate between pushbuttons.
Implementation Method 1
the end opening of the counter-bore is disposed to allow liquid entering the drainage exit out of the end opening of the counter-bore
Data Source
AI summary
A drainage system is provided for draining liquid accidentally spilled on a casing having a plurality of pushbuttons on a surface of the casing. The drainage system for a pushbutton casing may comprise a liquid collecting receptacle, a counter-bore, and a drainage exit. The counter-bore may have a sidewall. The liquid collecting receptacle may be operatively interfacing the casing. The drainage exit may be disposed on the sidewall of the counter-bore. An end opening of the counter-bore may be in connection with a drainage exit. The end opening of the counter-bore may be disposed to allow liquid entering the drainage exit out of the end opening of the counter-bore.