Pedal Power-Generating Module for Bicycle Illumination
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Solution Overview
Problem
Existing light-emitting devices on bicycles are complex to assemble and maintain due to numerous elements, and they rely on batteries for power, which is not energy-efficient.
Innovation Solution
A light-emitting apparatus with a power-generating module using magnetic conductors and coils that generate an induced electromotive force when the bicycle is in use, eliminating the need for batteries and simplifying the assembly process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by moving object
If a power-generating apparatus with multiple elements (mounting device, power-supplying device, light-emitting element, conductive elements, electric wires) is used to illuminate the bicycle, then the illumination function is achieved, but the assembly and maintenance complexity increases significantly
Solution Approach 1:
The patent combines the mounting device, power-supplying device, and light-emitting element into an integrated power-generating module. This module is disposed within the pedal assembly structure, merging multiple previously separate components into a unified unit that generates electrical power through pedal rotation while providing illumination, thereby eliminating the need for separate mounting devices, conductive elements, and electric wires.
Solution Approach 2:
The pedal assembly is designed to serve multiple functions: it provides the mechanical function of propelling the bicycle forward while simultaneously housing the power-generating module that converts pedal rotation into electrical energy for illumination. This multi-functional design eliminates the need for dedicated separate power-generating apparatus.
2Use of energy by moving object
If batteries are used as the power source for light-emitting devices on bicycles, then the light-emitting function is achieved, but the energy efficiency decreases and additional components are required
Solution Approach 1:
The bicycle system serves itself by using the mechanical energy already invested in pedaling to generate the electrical power needed for illumination. The power-generating module converts the rotational motion of the pedals into electrical energy, eliminating the need for external batteries and making the system self-sufficient for its illumination needs.
Solution Approach 2:
The patent replaces the chemical energy storage system (batteries) with a mechanical energy conversion system. The power-generating module uses electromagnetic induction to convert mechanical rotation from pedal movement into electrical energy, substituting the battery-based chemical energy system with a direct mechanical-to-electrical conversion system that improves energy efficiency.
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 provides energy-saving illumination for bicycles without batteries, improving safety and fun while reducing assembly complexity by harnessing the bicycle's motion to power the light-emitting unit.
Implementation Method 1
the coil generates an induced electromotive force for supporting the light-emitting unit with needed power
Data Source
AI summary
The invention provides a light-emitting apparatus, which can be disposed on a manpower vehicle, including a light-emitting unit and a power-generating module. The power-generating module further includes a first magnetic conductor, a second magnetic conductor, and a coil. The first magnetic conductor is disposed on a first component of the manpower vehicle; the second magnetic conductor is disposed on a second component of the manpower vehicle, and the coil is coupled to the first magnetic conductor or the second magnetic conductor. Moreover, the first magnetic conductor or the second magnetic conductor includes a magnetic member. Particularly, the first component can apply a pre-set point as an axle to rotate, so that when a distance between the first magnetic conductor and the second magnetic conductor is changed, the coil is capable of generating an induced electromotive force for supporting the light-emitting unit with needed power.