Door Power Management via Inductive Transfer
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Solution Overview
Problem
Conventional access control systems in buildings require complex electrical cabling for power supply and lack integrated communication and power management within door systems, limiting flexibility and efficiency.
Innovation Solution
A door system with a power management system integrated into the door body, utilizing inductive power transfer and wireless communication, enabling self-sufficiency and connectivity through a mesh network for access control, power distribution, and data exchange.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional electrical cabling is used for power supply to access control devices, then reliable power delivery is achieved, but installation complexity and cost increase due to complex cabling requirements
Solution Approach 1:
The patent replaces the mechanical electrical cabling system with an inductive power transfer system using electromagnetic fields. The door system includes a power transmitter in the door frame and a power receiver in the door body, enabling wireless power transfer through electromagnetic induction without physical electrical connections.
Solution Approach 2:
The inductive power transfer system serves multiple functions: it provides power to access control devices, enables communication between door systems, and eliminates the need for separate electrical cabling infrastructure. The same electromagnetic coupling mechanism handles both power and data transmission.
2Reliability
If access control devices are mounted near door frames with electrical cabling, then stable power supply is provided, but flexibility and adaptability of door systems are reduced
Solution Approach 1:
The patent replaces fixed electrical cabling with wireless inductive power transfer, allowing door systems to be installed without proximity to electrical outlets or existing cabling infrastructure. This enables greater installation flexibility and adaptability to various door configurations and locations.
Solution Approach 2:
The inductive power transfer system dynamically adjusts to different door positions and configurations. The electromagnetic coupling maintains power transfer effectiveness whether the door is open, closed, or in intermediate positions, providing adaptive power supply that conventional fixed cabling cannot achieve.
3Power
If multiple door systems are installed with individual electrical cabling, then each system receives adequate power, but overall system complexity and installation time increase
Solution Approach 1:
The inductive power transfer system provides a universal power delivery mechanism that can serve multiple door systems simultaneously through the building's existing electrical infrastructure connected to the door frame transmitters. This reduces overall system complexity compared to individual cabling runs to each door location.
Solution Approach 2:
The system segments power delivery into modular transmitter-receiver pairs at each door location, allowing independent installation and operation of each door system while maintaining simplified centralized power distribution through the building's electrical system connected to door frames.
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
Enhances power management and communication within door systems, reducing cabling needs, improving flexibility, and enabling efficient access control and data exchange across multiple door systems in a building.
Implementation Method 1
An inductive power receiver carried by the door body receives power from an inductive power transmitter
Data Source
AI summary
A door system and method for a door system is disclosed. A door body of the door system carries access control system components such as access readers, request to exit devices, and possibly magnetic lock systems, in examples. In embodiments, other devices carried by the door body include detection devices that detect physical phenomena, an interactive display, a door controller, and a power management system. The power management system provides a source of power to the other devices carried by the door body.