Manual Generator Hub and Pivoting Arm for Portable Emergency Power
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Solution Overview
Problem
In emergency situations, particularly in remote areas where large generators are impractical, there is a need for a portable and efficient means to generate power for electronic devices without the burden of heavy batteries and complex control systems.
Innovation Solution
A manually operated power generation device comprising a body, an electric generator with a rotor, a hub, and an arm that can be rotated to generate electrical power, allowing for both cranking and twirling modes of operation, with adjustable resistance and ergonomic design for comfort and efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Power
If a large generator is used to provide emergency power, then power generation capability is improved, but portability and ease of operation deteriorate
Solution Approach 1:
The patent implements a dual-mode operation system where the generator can function in both manual cranking mode and dynamic exercise mode. The exercise mode utilizes the user's body motion through a treadmill or similar dynamic exercise equipment to drive the generator, providing a dynamic power source that adapts to available human energy input while maintaining portability.
Solution Approach 2:
The system enables self-service power generation by converting the user's own body energy into electrical power. Through the exercise interface, the user's physical effort directly powers the generator and associated devices, eliminating the need for external fuel sources, batteries, or complex control systems.
2Weight of moving object
If a manually powered generator is used in remote areas, then portability is improved, but power generation efficiency and reliability worsen
Solution Approach 1:
The generator is designed with universal applicability to power multiple types of devices simultaneously. It can charge smartphones, laptops, tablets, and other electronic devices through various output interfaces including USB ports and AC outlets. The system also incorporates energy storage capabilities to store generated power for later use, enhancing overall productivity and reliability.
Solution Approach 2:
The exercise interface enables continuous power generation as long as the user maintains physical activity. The system includes energy storage components that accumulate power during exercise periods and can supply power during rest periods, ensuring continuous useful action without interruption.
3Reliability
If heavy batteries and complex control systems are used, then power availability is improved, but device weight and complexity worsen
Solution Approach 1:
The patent extracts and eliminates the need for heavy battery systems and complex control electronics by directly converting mechanical energy from manual cranking or exercise motion into electrical power. The generator uses simple electromagnetic induction principles with minimal electronic control, removing unnecessary complexity while maintaining power availability.
Solution Approach 2:
The system replaces complex electronic control systems and battery management circuits with a straightforward mechanical-to-electrical conversion mechanism. The exercise interface and cranking mechanism directly drive the generator rotor through mechanical means, substituting complex electronic power management with simple mechanical energy conversion.
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 reliable and efficient power generation for various devices, including communication tools and emergency signals, without the weight and complexity of separate batteries and control systems, enhancing usability in outdoor and emergency scenarios.
Implementation Method 1
Rotation of the hub and the arm about the longitudinal axis causes rotation of the rotor of the generator to generate electrical power
Data Source
AI summary
A power generation device includes a body, an electric generator, a hub, and an arm. The body extends from a first end to a second end and a longitudinal axis extends from the first end to the second end. The electric generator is housed within the body and includes a rotor. The hub is coupled to the body at the first end and is rotatable with respect to the body about the longitudinal axis. The arm extends from the hub such that the arm is rotatable with the huh about the longitudinal axis. The arm is pivotably coupled to the hub such that arm is pivotable with respect to the hub about a pivot axis that is non-collinear with the longitudinal axis. Rotation of the hub and the arm about the longitudinal axis causes rotation of the rotor of the generator to generate electrical power.