Wireless-Charged Door Operator for Cable-Free Power Transfer
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Solution Overview
Problem
Conventional door operator systems face complexity and susceptibility to environmental damage due to power transmission systems with cables and hardware connectors, leading to installation challenges and mechanical part sensitivity.
Innovation Solution
A door operator system with a drive unit mounted on the door and a wireless energy transfer mechanism between energy transmitting and receiving devices, eliminating the need for physical connections and reducing complexity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If power transmission cables and hardware connectors are used between the door and door frame, then power can be transmitted to the drive unit, but the system complexity increases and susceptibility to environmental damage occurs
Solution Approach 1:
The patent replaces mechanical power transmission systems (cables and hardware connectors) with a wireless power transmission system using electromagnetic fields. The energy transmitting device mounted on the door frame wirelessly transmits power to the energy receiving device on the door, eliminating physical connections and their associated complexity and environmental vulnerabilities.
2Reliability
If hardware connectors and contact pins are used for power transmission, then power can be delivered to the drive unit, but the system becomes highly susceptible to environmental impact such as rain, snow, and dirt
Solution Approach 1:
The patent eliminates mechanical contact interfaces (hardware connectors and contact pins) that are vulnerable to environmental factors by implementing wireless power transmission through electromagnetic fields. This substitution removes the system's exposure to rain, snow, dirt, and other environmental contaminants that cause corrosion and failure in mechanical connectors.
3Ease of manufacture
If drive units are mounted on the door panel, then installation becomes easier and faster, but complex power transmission systems with multiple cables are required
Solution Approach 1:
The patent maintains the advantageous drive unit mounting on the door panel for ease of installation while eliminating the complex power transmission infrastructure by using wireless power transmission. The energy transmitting device on the door frame and energy receiving device on the door provide power without requiring multiple cables or complex routing, thus preserving installation simplicity while reducing system complexity.
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 system enhances reliability and efficiency by minimizing environmental exposure risks, simplifying installation, and reducing mechanical part sensitivity while maintaining energy transfer stability.
Implementation Method 1
The energy transmitting device is configured to wirelessly transmit energy to the energy receiving device mounted to the door
Data Source
AI summary
A door operator system for opening and closing an opening, comprising a door frame comprising a first frame section and a second frame section on either side the opening. The door is connected to the door frame. A drive unit mounted on the door is moveably connected to first frame section and the second frame section. The drive unit has at least one motor connected to at least one energy storage device arranged to power the at least one motor to move the door from the closed position to the open position. An energy transmitting device is disposed in close proximity to the door and an energy receiving device mounted on the door. The energy transmitting device wirelessly transmits energy to the energy receiving device mounted to the door. The energy receiving device is operatively connected to the at least one energy storage device for charging said energy storage device.