Slat-belt treadmill light-emitting unit visual motion indication
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Solution Overview
Problem
Slat-belt treadmills lack a visual indicator to remind users that the exercise surface is in motion, which can lead to safety issues during use.
Innovation Solution
Incorporating a light-emitting unit that emits light through the gaps between slats, with a frequency or pattern correlated to the rotating speed, providing a visual reminder of the treadmill's motion from a safe distance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a slat-belt treadmill is used instead of an endless belt treadmill, then maintenance cost and noise are reduced, but visual indication of motion is lost due to gaps between slats
Solution Approach 1:
A light-emitting unit is introduced as an intermediary element between the slat-belt structure and the user. The light source is positioned beneath the exercise surface and shines through the gaps between slats, creating a visual indication system that leverages the existing structural gaps rather than treating them as a deficiency. This mediator converts the structural feature (gaps) into a functional advantage (visual motion indication).
Solution Approach 2:
The patent employs light emission and color changes to indicate motion status. The light-emitting unit can change illumination patterns, brightness, or color states to convey different operational conditions, particularly whether the belt is stationary or moving. This allows the treadmill to communicate its state visually without adding complex mechanical indicators.
2Illumination intensity
If gaps between slats are increased to improve light transmission, then visual indication is enhanced, but structural integrity and user safety may be compromised
Solution Approach 1:
The slat-belt structure implements local quality differentiation where specific regions have different properties. The slats themselves maintain full structural integrity and load-bearing capacity, while the gaps between them are optimized for light transmission. This localized approach allows the gaps to serve dual purposes: structural necessity (reducing friction) and functional advantage (light passage for visual indication), without compromising overall strength.
3Object-affected harmful factors
If a light-emitting unit is added to provide visual indication, then safety is improved, but device complexity increases
Solution Approach 1:
The light-emitting unit serves multiple functions simultaneously: it provides visual indication of motion status, can indicate speed levels through varying illumination patterns, and may serve as part of the control interface. This multi-functionality reduces the need for separate indicator systems and integrates safety communication into an existing component, thereby limiting the increase in overall device complexity.
Solution Approach 2:
The light-emitting unit is designed to operate autonomously based on the treadmill's operational state. It automatically illuminates or changes patterns when the belt is moving without requiring separate control mechanisms or user activation. This self-service capability simplifies the control system while maintaining effective safety communication.
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 effectively warns users of the treadmill's operation, reducing the risk of accidents by providing a clear visual indication of the rotating speed, allowing them to avoid stepping onto the moving surface.
Implementation Method 1
A translucent area is formed in the slat-belt, or the gaps between slats allows light to shine through the slat-belt
Implementation Method 2
a light-emitting unit disposed under the exercise surface to provide a light source
Data Source
AI summary
A slat-belt treadmill is provided. The slat-belt treadmill includes a treadmill frame, a front shaft pivotally coupled to the treadmill frame, and a rear shaft pivotally coupled to the treadmill frame; a plurality of slats constituting a slat-belt, collaboratively rotating about the front and rear shafts, and forming an exercise surface on which a user of the treadmill may walk or run; a driving apparatus coupling to the slats and driving the slats to rotate about the front and rear shafts; and a light-emitting unit disposed under the exercise surface to provide a light source. When the slats are rotating, light from the light-emitting unit is intermittently visible as the slats intermittently block and reveal the light.