Buckle-Integrated Power Generation Device for Walking Energy Harvesting
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Solution Overview
Problem
Conventional human power generation devices have complex structures and require deliberate movements, making them cumbersome and inefficient for generating electrical power, while also contributing to environmental pollution due to battery usage.
Innovation Solution
A bag/pack power generation device with a power generation module and a generator, utilizing the natural up-and-down rhythm of a user's walking to operate the generator, featuring speed-up gear shafts and a rack mechanism integrated into a strap buckle system, allowing effortless and continuous power generation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Power
If a conventional human power generation device is used, then electrical power can be generated through user activity, but the device structure becomes complicated with many constituent parts
Solution Approach 1:
The patent combines the power generation function with the existing bag/pack structure by integrating the generator into the buckle mechanism. The buckle's natural opening and closing movements during walking are directly converted into rotational motion of the generator rotor, eliminating the need for separate activation mechanisms and reducing overall device complexity.
Solution Approach 2:
The buckle mechanism serves dual purposes: it functions as both the fastening mechanism for the bag/pack and as the activation mechanism for power generation. The same mechanical components that secure the bag also drive the generator through their natural opening/closing cycles during user movement.
2Power
If a conventional human power generation device is used, then power generation is achieved, but deliberate purposed movement such as swing, contact, and gripping is required
Solution Approach 1:
The system automatically generates power through the natural walking rhythm of the user. The generator is positioned and configured so that the normal opening and closing of the buckle during walking automatically rotates the rotor, eliminating the need for the user to perform any deliberate movements or exert additional effort beyond normal walking.
Solution Approach 2:
The mechanism adapts to the user's natural walking dynamics by converting the rhythmic opening and closing of the buckle into continuous rotational motion. The system is designed to work with the dynamic movements of walking rather than requiring static or deliberate actions.
3Use of energy by moving object
If batteries or cells are used to power electronic devices, then portable power is provided, but environmental pollution is caused
Solution Approach 1:
The patent replaces chemical energy storage systems (batteries and cells) with a mechanical energy conversion system. The generator converts mechanical energy from walking movements into electrical energy, providing a renewable power source that eliminates the need for disposable or rechargeable batteries, thereby reducing environmental pollution.
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
Enables continuous, effortless, and resistance-free electrical power generation, charging portable devices or secondary cells, reducing environmental impact by eliminating the need for disposable batteries.
Implementation Method 1
an electromagnetic induction device in which time-variable voltage d is induced by an external time-variable magnetic field
Implementation Method 2
Each speed-up gear shaft comprises a pinion and a gear mounted thereto. The pinion of the first speed-up gear shaft mates the rack. The gear of the first speed-up gear shaft mates the pinion of the second speed-up gear shaft.
Data Source
AI summary
A bag/pack power generation device includes a power generation module, a generator, and a bag/pack. The power generation module includes first and second speed-up gear shafts and a rack. Each speed-up gear shaft includes a pinion and a gear mounted thereto. The pinion of the first speed-up gear shaft mates the rack. The gear of the first speed-up gear shaft mates the pinion of the second speed-up gear shaft. The gear of the second speed-up gear shaft is in operative coupling with the generator. The bag/pack has at least one strap comprised of strap segments and a buckle connecting between the strap segments. The buckle includes an outer frame and a central portion. The outer frame has an inner edge forming a toothed section. The central portion is coupled to the first and second speed-up gear shafts and the generator. As such, the power generation device is arranged on the strap and when the bag/pack is subjected to natural moving rhythm, the generator is operated to generate electrical power.