Kinetic Charging Assembly With Vacuum Recovery and AC-DC Boost
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Solution Overview
Problem
Existing portable kinetic energy recovery devices suffer from reduced energy recovery rates due to mechanical friction and energy loss, and inefficient conversion of low-voltage, low-frequency AC energy into stable DC energy.
Innovation Solution
A portable charging device with a kinetic energy recovery component embedded in a machine body, utilizing a ring body, springs, a permanent magnet sphere, and a conductor coil within a vacuum cavity, combined with a bridgeless efficient AC-DC boost converter topology employing MOSFET switches to improve energy conversion efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Power
If low-voltage and low-frequency AC output is generated, then kinetic energy conversion is achieved, but efficient conversion to stable DC energy is difficult
Solution Approach 1:
The patent employs a dynamic AC-DC conversion system that adapts to the varying frequency and voltage characteristics of the generated AC output. The conversion component uses high-frequency switching technology that can dynamically adjust to the input conditions, enabling efficient conversion across a range of operating frequencies and voltages. This dynamic adaptation resolves the contradiction by maintaining high conversion efficiency despite variations in AC input parameters.
Solution Approach 2:
The patent transforms the low-voltage, low-frequency AC output into high-voltage DC through an efficient AC-DC conversion process involving rectification and high-frequency switching. By changing the voltage and frequency parameters during conversion, the system achieves stable high-voltage DC output suitable for charging applications, resolving the contradiction between maintaining power output and achieving efficient conversion.
2Loss of energy
If a complex mechanical structure is used for energy recovery, then energy conversion is achieved, but device complexity increases
Solution Approach 1:
The patent replaces complex mechanical transmission components (gears, belts, contact-based friction mechanisms) with a streamlined electromagnetic induction system. The kinetic energy recovery component consists primarily of a permanent magnet, coil structure, and centrifugal weighting mechanism, eliminating the need for complex mechanical linkages. This substitution reduces device complexity while maintaining or improving energy conversion efficiency.
Solution Approach 2:
The patent extracts and eliminates unnecessary mechanical components from the energy recovery system, retaining only the essential elements needed for electromagnetic induction (permanent magnet, coil, rotational mechanism). By removing extraneous mechanical parts that contribute to complexity without adding functional value, the system achieves simpler construction and easier maintenance while preserving energy conversion capability.
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 enhances kinetic energy recovery efficiency by minimizing mechanical resistance, allows for convenient replacement of the kinetic energy component, and achieves a higher output voltage gain through efficient AC-DC conversion, effectively addressing the limitations of existing devices.
Implementation Method 1
the permanent magnet sphere driven by the springs moves back and forth on the guide rod, thus converting kinetic energy into AC electric energy to output
Implementation Method 2
In the vacuum cavity, the permanent magnet sphere driven by the springs moves back and forth on the guide rod
Implementation Method 3
a bridgeless efficient AC-DC boost converter topology employing MOSFET switches to improve energy conversion efficiency
Data Source
AI summary
The disclosure provides a portable charging device with kinetic energy recovery comprising a machine body, a kinetic energy recovery component, an AC-DC electric energy conversion component, and an energy storage component. The kinetic energy recovery component is embedded in the machine body by a locking assembly, and comprises a ring body, two springs, a conductor coil, a permanent magnet sphere, a guide rod, two sealing covers, and two bumps. The two sealing covers are symmetrically and fixedly attached to both sides of the ring body, and the middle part of the ring body and the two sealing covers form a vacuum cavity. The energy storage component is arranged at the right side of the machine body. The AC-DC electric energy conversion component is arranged at the bottom side of the machine body, and two first conductive blocks are electrically connected to the AC-DC electric energy conversion component.