Motor Phase Switching Semiconductor for Compact Multi-Configuration Control
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Solution Overview
Problem
Existing electric motor control systems with multiple independently controlled switches are complex, expensive, and unreliable, limiting their practical application due to structural complexity and high switch count.
Innovation Solution
A semiconductor device with a substrate, connection pairs, and control electrodes that use first and second conductive channels to vary electrical configurations with a single control signal, reducing the number of required switches to two, enabling efficient and compact motor control.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple independently controlled switches are used to achieve different electrical configurations, then the motor can operate in multiple configurations (high speed/high torque), but the device complexity and number of switches increase exponentially
Solution Approach 1:
The patent merges multiple switching functions into a single semiconductor device with integrated control. The device combines multiple switches and control circuits into one unified component that can independently control different stator phases, reducing the overall number of discrete switching components while maintaining the ability to achieve multiple motor configurations (star/triangle, wye/delta, series/parallel connections).
Solution Approach 2:
The semiconductor device is designed as a universal controller that can handle multiple switching configurations through a single device. It incorporates multiple independently controllable switches that can be selectively activated to achieve various electrical configurations (high speed, high torque, star, triangle, wye, delta, series, parallel connections) without requiring separate dedicated switching mechanisms for each configuration.
2Adaptability or versatility
If multiple independently controlled switches are used, then configuration flexibility is improved, but reliability decreases due to multiplicity of non-redundant elements
Solution Approach 1:
By consolidating multiple switching functions into a single integrated semiconductor device, the patent reduces the total number of independent components. This merging approach maintains configuration flexibility through internal switching capabilities while improving reliability by eliminating the need for multiple external switches and their associated connection points, thereby reducing potential failure sources.
3Adaptability or versatility
If numerous switches are used to control different configurations, then adaptability is improved, but manufacturing cost increases
Solution Approach 1:
The patent consolidates multiple switching functions into a single semiconductor device, reducing the total component count and assembly requirements. This integration lowers manufacturing costs by eliminating the need to source, test, and assemble multiple discrete switches and control circuits, while still providing the capability to achieve multiple electrical configurations through the integrated device's internal switching architecture.
4Adaptability or versatility
If multiple independently controlled switches are used, then configuration control is improved, but device size increases
Solution Approach 1:
The patent integrates multiple switching functions and control circuits into a single compact semiconductor device. This consolidation dramatically reduces the overall volume required for the switching system compared to using multiple discrete switches and control circuits, while maintaining the full capability to independently control different stator phases and achieve various motor configurations.
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 semiconductor device simplifies motor control by reducing switch count, enhancing electrical efficiency and compactness while maintaining high performance, addressing the limitations of prior art systems.
Implementation Method 1
first control electrodes operationally placed between said connection pairs and configured to generate respective first conductive channels between the connection electrodes of the connection pairs following the reception of a pre-set control signal
Data Source
AI summary
A semiconductor device including at least one substrate, a plurality of connection pairs, each equipped with a first connection electrode and a second connection electrode and connected to the terminals of a phase or to the ends of a phase fraction, one or more first control electrodes operatively placed between the connection pairs and configured to arrange the pairs in a first electrical configuration and one or more second control electrodes operatively placed between the connection pairs and configured to arrange them in a second electrical configuration.