Magnetic Automation Device for Switch Actuation
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Solution Overview
Problem
Existing automated switch mechanisms require physical replacement or modification of electrical connections, which discourages consumer adoption due to reluctance to alter existing setups.
Innovation Solution
A wireless automation device that attaches to pre-existing fixtures using magnets and incorporates a rack and pinion or rotational mechanism actuated by a servomechanism, allowing for remote control via Bluetooth Low Energy and featuring a microcontroller for logic, timers, and proximity detection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Extent of automation
If physical replacement or modification of electrical connections is used to install automated switch mechanisms, then automation functionality is achieved, but installation complexity and consumer reluctance increase
Solution Approach 1:
The patent replaces electrical connection modifications with a magnetic attachment system. Magnets on the backing plate attach to metallic screws on the existing switch, eliminating the need to snake electrical connections or plug/unplug devices. This mechanical substitution resolves the contradiction by achieving automation functionality without complex electrical installation work.
Solution Approach 2:
The patent introduces magnets as an intermediary attachment mechanism between the automation device and the existing switch. This intermediary allows the device to be securely mounted without modifying electrical connections, thereby reducing installation complexity while maintaining automation functionality.
2Ease of operation
If magnets are used to attach the automation device to the existing fixture, then installation simplicity is improved, but attachment strength must be sufficient to prevent detachment during actuation
Solution Approach 1:
The patent optimizes magnet parameters (size, strength, placement) to achieve the required attachment force. By carefully selecting and positioning multiple magnets on the backing plate, the system achieves sufficient holding strength to prevent detachment during lever actuation while maintaining simple installation without electrical modifications.
3Measurement precision
If a rack and pinion mechanism is used to actuate the lever, then precise control is achieved, but device complexity increases
Solution Approach 1:
The patent replaces complex electrical connection systems with a mechanical rack and pinion actuation system. This mechanical system provides precise control of the lever actuation through the interaction between the rack (attached to the lever) and the pinion (driven by a motor), achieving precise control without the complexity of electrical wiring modifications.
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
Enables remote and wireless control of pre-existing switches with minimal installation, maintaining attachment and preventing false actuations, thus overcoming consumer hesitation to modify electrical connections.
Implementation Method 1
specific placement of magnets on the backing plate of the device such that they align directly with metallic screws on an existing fixture. As will be further elaborated in the detailed description, the strength of the magnets selected provides the necessary strength to prevent the automation device from detaching during actuation of the existing fixture.
Data Source
AI summary
An automation device to control a pre-existing light switch is described which attaches to the light switch by internal magnets at locations corresponding to the magnetic screw heads of the light switch. This makes installation a simple process requiring no hand tools or electrical connections be made with the light switch. The automation device can be wired or wirelessly controlled and works with both toggle light switches and rocker light switches. Additional functionalities include various timed and automated operations as well as device and user location determinations.