Swimming Goggles with Backstroke Viewing Window and Motion Sensor
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Solution Overview
Problem
Existing swimming goggles do not allow swimmers to see the end of the pool without moving their head while swimming backstroke, leading to potential injuries and inefficient swimming paths, as they lack adequate rearward vision and sophisticated motion-related feedback.
Innovation Solution
The design incorporates backstroke viewing windows at the eye sockets with an integrated circuit that automatically adjusts a light blocking cover and reflector to provide clear rearward vision and motion-related feedback, using a combination of manual and automatic mechanisms, including an electric controller with a motion sensor to optimize visibility and swimming performance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If traditional swimming goggles are used, then forward vision is improved, but backward vision remains poor requiring head movement
Solution Approach 1:
The goggle is divided into multiple viewing windows: a forward viewing window and a backward viewing window. Each window serves a specific directional function, allowing the swimmer to view forward and backward without moving the head, thus resolving the contradiction between backward vision and head position stability.
Solution Approach 2:
The backward viewing window is positioned at the rear of the goggle frame, creating a spatial arrangement where light from the backward direction can enter the eye socket independently of the forward viewing window. This dimensional separation enables simultaneous forward and backward vision without head movement.
2Illumination intensity
If the swimmer moves their head to see the end of the pool, then backward vision is improved, but injury risk increases
Solution Approach 1:
By segmenting the viewing function into separate forward and backward windows, the swimmer can obtain backward vision without head movement, thereby eliminating the injury risk associated with head movement while maintaining the ability to see the pool end.
3Illumination intensity
If the swimmer swims in a zigzag path, then backward vision is maintained through head movement, but swimming efficiency decreases
Solution Approach 1:
The segmented viewing windows enable the swimmer to maintain a straight swimming path while obtaining backward vision through the rear window, eliminating the need to swim in zigzag patterns and thereby improving swimming efficiency.
4Loss of information
If existing goggle designs are used, then basic forward vision is provided, but sophisticated motion feedback is lacking
Solution Approach 1:
The goggle integrates multiple functions: optical viewing (forward and backward windows), sensing (accelerometer for motion detection), and feedback (speaker for auditory information). This multi-functionality provides sophisticated motion feedback while maintaining a relatively simple integrated structure.
Solution Approach 2:
The accelerometer detects swimming motion and the speaker provides real-time auditory feedback about swimming performance. This feedback mechanism compensates for the lack of sophisticated motion information in traditional goggles without significantly increasing structural 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
This solution reduces the risk of injury and improves swimming efficiency by allowing swimmers to maintain proper head position and swim in straight lines, while providing real-time feedback on swimming performance through an integrated circuit and electric sound speaker.
Implementation Method 1
an electric controller with a motion sensor to optimize visibility and swimming performance
Implementation Method 2
an integrated circuit that automatically adjusts a light blocking cover and reflector to provide clear rearward vision
Data Source
AI summary
Swimming goggles are developed to allow a swimmer to see the end of the pool without moving their head while swimming in backstroke. Using a light reflector, a swimmer can see through a backstroke viewing window, allowing them to see along the direction that they are moving when swimming backstroke. Using a motion sensor and electric control circuits, a swimming goggle can provide optimum views for the swimmer wearing the swimming goggle. Using a sound speaker, a swimming goggle can play music and provide voice reports to the swimmer.