Under-Surface Wireless Charging Layout With Shared Power Distribution
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Solution Overview
Problem
Existing wireless charging systems require multiple standalone transmitters with dedicated power supplies, leading to cluttered environments with numerous cords and potential tripping hazards, as each transmitter needs its own power source and receptacle.
Innovation Solution
A wireless charging system with shared power supplies and distribution systems mounted underneath a surface, where occupancy sensors control power delivery to transmitters, reducing the need for multiple cords and receptacles, and incorporating visible indication systems to guide users to charging areas.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If multiple standalone transmitters with dedicated power supplies are used, then each transmitter can provide wireless charging independently, but the environment becomes cluttered with numerous cords and receptacles
Solution Approach 1:
The patent combines multiple power supplies and transmitters into a single integrated system. Multiple transmitters share common power supply units and power distribution infrastructure, eliminating the need for separate dedicated power supplies for each transmitter. This merging approach reduces the number of cords and receptacles while maintaining independent charging capability through the shared system architecture.
Solution Approach 2:
The shared power supply system is designed to serve multiple transmitters simultaneously, creating a universal power distribution infrastructure. The system can dynamically allocate power to different transmitters based on demand, allowing the same power supply units to support various charging locations without requiring dedicated power sources for each.
2Ease of operation
If each transmitter has its own dedicated power supply, then power delivery is simple and direct, but tripping hazards increase due to multiple cords
Solution Approach 1:
By merging multiple power delivery paths into a shared power distribution system, the patent reduces the number of cords required. The shared infrastructure consolidates power delivery pathways, maintaining simple power allocation through centralized control while eliminating excess cords that create tripping hazards in the environment.
Solution Approach 2:
The shared power distribution system acts as an intermediary between the power sources and multiple transmitters. This intermediary infrastructure manages power allocation efficiently through centralized control, simplifying the overall power delivery architecture while reducing the physical cord clutter that causes tripping hazards.
3Loss of energy
If occupancy sensors are used to control power delivery, then energy efficiency is improved, but system complexity increases
Solution Approach 1:
Occupancy sensors integrated into the shared power distribution system automatically detect the presence of users and trigger power delivery to appropriate transmitters without manual activation. The system self-manages power consumption by activating only when needed, reducing energy waste while keeping the control mechanism transparent to users. This self-service approach masks the added complexity behind an automated, user-friendly interface.
Solution Approach 2:
The occupancy-based control system uses sensors to continuously monitor environmental conditions and provides feedback to the power distribution controller. When occupancy is detected, the system automatically activates power delivery; when no occupancy is present, power is reduced or shut off. This feedback loop optimizes energy efficiency while automating the control process, hiding the system complexity from end users.
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 clutter, minimizes tripping hazards, and optimizes power usage by sharing power supplies among multiple transmitters, while providing users with clear visual cues to locate charging areas, enhancing the aesthetic and functional efficiency of wireless charging installations.
Implementation Method 1
wireless power transmitters, such as the magnetic resonance units developed in accordance with the Rezence standard
Implementation Method 2
occupancy sensors configured to control whether the first power supply supplies power to the first wireless charging transmitter based on the detection of the presence and/or absence of a user
Data Source
AI summary
A wireless charging system includes a power supply, a plurality of wireless charging transmitters adapted to be mounted on an underside of a surface, and a power distribution system adapted to connect the plurality of wireless charging transmitters to the power supply. The plurality of wireless charging transmitters are configured to generate charging areas on a top side of the surface.


