Wireless power supply device and electrical equipment
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Solution Overview
Problem
Current wireless power supply devices for electrical equipment, such as refrigerators, waste energy as all transmitting modules are typically active at once, even when the load is positioned at different locations, leading to inefficiency.
Innovation Solution
A wireless power supply device with multiple transmitting coil assemblies and control switches at various positions, allowing only the necessary transmitting coil assembly to be activated when the load is positioned, ensuring efficient electromagnetic coupling with a single receiving coil assembly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If all transmitting modules are activated simultaneously to ensure power supply coverage at all positions, then power supply availability is improved, but energy waste increases
Solution Approach 1:
The system dynamically switches between different transmitting modules based on the real-time position of the carrier. Control switches automatically activate the transmitting module corresponding to the carrier's current position while deactivating others, making the power supply system adaptive and energy-efficient.
Solution Approach 2:
The system uses the carrier's own position information to automatically control which transmitting module should be activated. The carrier effectively serves itself by triggering the appropriate transmitting module through its position, eliminating the need for continuous operation of all modules.
2Adaptability or versatility
If multiple transmitting modules are installed at different positions to support variable load placement, then adaptability is improved, but device complexity increases
Solution Approach 1:
The power supply system is segmented into multiple independent transmitting modules, each responsible for a specific position. This segmentation allows the system to cover multiple positions while keeping each module simple and manageable, with control switches enabling selective activation.
3Speed
If all transmitting modules operate continuously to ensure immediate power supply, then responsiveness is improved, but energy consumption increases
Solution Approach 1:
All transmitting modules are pre-installed and positioned throughout the electrical equipment, ready for immediate operation. When the carrier is placed at any position, the corresponding transmitting module can instantly activate and provide power supply, ensuring rapid responsiveness without continuous operation of all modules.
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 solution reduces energy waste by activating only the required transmitting coil assembly when the load is positioned, optimizing energy transfer and maintaining efficient power delivery across different positions.
Implementation Method 1
One transmitting coil is coupled with one receiving coil; when the transmitting coil and receiving coil come close to each other, they are electromagnetically coupled
Data Source
AI summary
A wireless power supply device comprising a plurality of transmitting coil assemblies mounted at a plurality of different positions of an electrical equipment, a plurality of control switches disposed at the plurality of different positions and configured to switch on and off the transmitting coil assemblies, and a single receiving coil assembly mounted on a carrier of the electrical equipment. The transmitting coil assembly mounted at one position of the plurality of different positions is disconnected by switching off the control switch provided at the one position before the carrier is mounted at one position, and is connected by switching on the control switch provided at the one position after the carrier is mounted at the one position, such that the single receiving coil assembly is electromagnetically coupled with the transmitting coil assembly at the one position.