Boat Hull Drain Plug with Sensor-Activated Alarm and Retention Mechanism
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional drain plugs for boats are often lost or misplaced due to reliance on human detection and lack of attachment mechanism, leading to inefficiencies in water drainage and reinstallation.
Innovation Solution
A drain plug with a sensor-activated alarm system and ergonomic design that includes a spring and magnet mechanism to ensure the cap remains attached and alerts the user when the drain is open, utilizing multiple flow passages and a stem portion secured to the boat transom.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional drain plugs rely solely on human detection and discretion, then the device structure remains simple, but the plug becomes lost or misplaced when removed
Solution Approach 1:
The invention combines the drain plug cap with a retaining stem and attachment mechanism into a single integrated assembly. The cap cannot be separated from the stem, ensuring the plug remains attached to the boat even when in the open position, thereby preventing loss or misplacement while maintaining reasonable structural simplicity.
2Reliability
If the drain plug requires tools to open or close, then the sealing reliability is improved, but the ease of operation deteriorates
Solution Approach 1:
The invention changes the operational parameter from tool-based rotation to hand-operated twisting motion. The cap is designed with external threads that engage with internal threads in the stem, allowing it to be opened and closed by manual twisting motion similar to a bottle cap, eliminating the need for tools while maintaining sealing reliability through the threaded connection and gasket.
3Ease of operation
If the plug is easily removed for drainage, then the ease of operation is improved, but the plug becomes separated and lost
Solution Approach 1:
The invention merges the cap and stem into a single non-separable unit through threaded engagement and retention features. The cap can be rotated to open or close the drainage passage, but cannot be completely removed from the stem, thus maintaining ease of operation for drainage while ensuring the plug remains attached to the boat structure.
4Reliability
If no alarm system is installed, then the device complexity is reduced, but the detection of open drain status becomes unreliable
Solution Approach 1:
The invention incorporates a sensor switch and alarm system that provides feedback about the drain plug status. When the cap is removed or the drainage passage is open, the sensor detects this state and activates an audible or visual alarm to alert the user, thereby improving detection reliability while adding a moderate level of system complexity.
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 ensures the drain plug is always attached and alerts the user when the drain is open, preventing loss and facilitating easy operation, thereby enhancing the reliability of water drainage and reinstallation processes.
Implementation Method 1
a magnet and a sensor switch are positioned within the hollow stem portion
Implementation Method 2
a spring and magnet are also located within the hollow stem portion of the drain plug body
Data Source
AI summary
A drain plug for a recreational boat includes a position sensor and an alarm to detect the operating condition of the drain plug and provide a signal indicating that the plug is in an open position. The drain plug includes a drain plug body and a cap. The cap is connected to the drain plug body in such a manner as to be inseparable from the drain plug body.