Dual-Voltage Motor with Plug-Based Winding Switching
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Solution Overview
Problem
Conventional motors operating at two different voltages have complex structures and are inconvenient to use, often resulting in erroneous connections during voltage switching, which can cause damage.
Innovation Solution
A motor design featuring a stator, rotor, coil windings, housing, patch board, connector socket, and plugs that allow for simple parallel or serial connection of coil windings to switch between low and high voltages, ensuring no erroneous connections and high reliability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional motors operating at two different voltages are designed, then the motor can operate at multiple voltages, but the structure becomes complex and erroneous connections occur during switching
Solution Approach 1:
The coil windings are divided into two separate windings (first winding and second winding) that can be independently connected to the power supply. This segmentation allows each winding to be optimized for specific voltage conditions while simplifying the overall control structure, as each winding can be directly connected without complex switching mechanisms.
Solution Approach 2:
The motor is designed with dual windings that serve multiple functions: the first winding operates at higher voltage while the second winding operates at lower voltage. This multi-functionality allows the same motor structure to adapt to different voltage conditions without requiring complex voltage conversion equipment or sophisticated control circuits.
2Adaptability or versatility
If conventional motors operating at two different voltages are designed, then the motor can operate at multiple voltages, but erroneous connection often occurs during switching between voltages
Solution Approach 1:
The motor controller is pre-configured with switching control logic that determines which winding to activate based on the detected power supply voltage. This preliminary configuration ensures that the correct winding is selected before switching occurs, preventing erroneous connections. The controller includes voltage detection circuitry and switching elements that are prepared in advance to make safe transitions between windings.
3Adaptability or versatility
If complex switching mechanisms are used to switch between voltages, then voltage adaptability is achieved, but the structure becomes more complex and prone to errors
Solution Approach 1:
The motor controller automatically detects the power supply voltage level and autonomously selects the appropriate winding configuration without requiring manual intervention. The voltage detection circuitry monitors the input voltage and the control logic automatically switches between the first and second windings based on the detected voltage, making the motor self-adapting and easy to operate across different voltage conditions.
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 motor operates reliably at two different voltages with a simple structure and convenient use, preventing damage from incorrect connections and enabling wide application.
Implementation Method 1
multiple coil windings (7)
Data Source
AI summary
A motor operating at two different voltages, containing at least: a stator, a rotor, multiple coil windings, a housing, a patch board, a connector socket having a terminal cap, a first plug, a second plug, and a base. The patch board is disposed on the housing. The connector socket, the first plug, and the base are disposed on the patch board. The terminal cap is disposed in the connector socket. The coil winding is directly electrically connected to the terminal cap. The first plug is inserted in the connector socket whereby connecting two in-phase coil windings in parallel. The second plug is disposed on the base as the motor operates at a low voltage, and the second plug is inserted in the connector socket whereby connecting two in-phase coil windings in series. The first plug is disposed on the base as the motor operates at a high voltage.