Electric Motor Magnet Sets and Detection Switch Circuit
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Solution Overview
Problem
Conventional electric motors experience energy waste due to high magnetic flux and inertia-induced voltage production when not in use, leading to inefficient power usage and low output power, despite requiring higher input power to suppress internal voltage.
Innovation Solution
The electric motor design incorporates multiple magnet sets with perpendicular poles, a coil assembly with a magnetizer and yokes, and a detection switch circuit to manage power supply, preventing voltage generation when not in use and enhancing magnetic force by alternating polarities and power supply switching.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Force
If conventional electric motor uses high magnetic flux and continuous windings, then magnetic force is produced, but voltage is generated when electricity is not supplied causing energy waste
Solution Approach 1:
The motor structure is divided into multiple magnet sets (first, second, third, fourth magnet sets) arranged in sequence around the rotor. Each magnet set interacts with corresponding coil assemblies, allowing segmented control of magnetic fields. This segmentation enables selective activation of different magnet-coil pairs during rotation, preventing continuous voltage generation while maintaining magnetic force when needed.
Solution Approach 2:
The detection switch circuit periodically activates and deactivates power supply to coil assemblies based on rotor position detection. As the rotor rotates, magnets pass by detection elements that trigger sequential power supply to different coils. This periodic action ensures magnetic force is produced only when magnets are in position to interact with active coils, eliminating continuous energy waste while maintaining operational magnetic force.
2Reliability
If higher input power is applied to suppress internally produced voltage, then voltage control is improved, but power loss increases
Solution Approach 1:
The detection switch circuit functions as a feedback mechanism that continuously monitors rotor position through detection elements and magnets. Based on this feedback, the circuit selectively activates power supply to specific coil assemblies only when magnets are in appropriate positions. This feedback-controlled approach maintains precise voltage control while eliminating unnecessary power consumption during periods when no magnetic interaction is occurring.
3Device complexity
If conventional electric motor uses ring design with magnetic force from one side, then structure is simple, but output power is poor under identical input power
Solution Approach 1:
The motor transitions from conventional single-sided magnetic force generation to multi-directional magnetic interaction by arranging magnet sets and coil assemblies in alternating sequence around the rotor. This spatial arrangement creates magnetic forces from multiple directions (front and back yokes interacting with different magnet sets), effectively utilizing three-dimensional space. The result is enhanced output power while maintaining reasonable structural complexity through systematic arrangement rather than chaotic complexity.
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
This configuration reduces input power requirements, minimizes energy waste, and increases output power by avoiding magnetic resistance and leveraging dual magnetic forces for efficient operation.
Implementation Method 1
Electricity supplied to the windings 11 magnetizes the windings 11 and, as such, the windings 11 attract and expel the magnets 21 of the rotor 20 so that the rotor 20 turns at high speed.
Implementation Method 2
due to high magnetic flux and cutting number between the windings 11 and the magnets 21, the windings 11 would still be influenced by the magnets 21 under inertia motion to produce voltage when electricity is not supplied.
Data Source
Figure 1
Figure 2A~2B
Figure 3A~3B
AI summary
The electric motor includes at least two opposing magnet sets (50), at least a coil assembly (60), and a detection switch circuit (80). Each magnet set (50) includes at least a magnet (51, 55). The magnets (51, 55) in a same magnet set (50) have poles (N, S) on a same side of reversed polarities. Opposing magnets (51, 55) from neighboring magnet sets (50) have facing poles (N, S) of a same polarity. The coil assembly (60) is disposed between neighboring magnet sets (50). Each coil assembly (60) includes a magnetizer (61) wrapped in a winding (65). Yokes (611, 612) are extended from two ends of the magnetizer (61) towards opposite directions and a specific distance (a) is between the yokes (611, 612). Together with the detection switch circuit (80)'s switching between positive and negative power supplies, the electric motor effectively reduces input power, and increases output power.