Retrofit Wall-Switch Remote Control for Continuous Smart Lighting
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Solution Overview
Problem
The installation of advanced load control systems in homes often requires electrical rewiring and the replacement of mechanical switches, which can be costly and intimidating for average consumers, and existing solutions for controlling controllable light sources are disrupted when wall-mounted light switches are turned off.
Innovation Solution
A remote control device that can be retrofitted over existing mechanical switches, allowing for wireless control of electrical loads without rewiring or replacing the switches, ensuring continuous power delivery to controllable light sources by maintaining the switch actuators in an 'on' position and using a faceplate assembly with a control unit for capacitive touch inputs and wireless communication.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If advanced load control devices are installed by replacing mechanical switches with electrical rewiring, then control functionality is improved, but installation complexity and cost increase
Solution Approach 1:
The remote control device is nested within the existing mechanical switch assembly, with the control unit housed inside the switch plate. This allows the advanced control functionality to be embedded within the familiar switch structure, providing new capabilities without requiring replacement of the entire switch assembly or electrical rewiring.
Solution Approach 2:
A wireless communication intermediary is introduced between the user and the electrical load. The control unit transmits wireless signals to control the load, eliminating the need for direct electrical connection between the switch and the load control device. This intermediary approach allows control functionality to be added without modifying the electrical wiring.
2Loss of energy
If wall-mounted light switches are turned off to control controllable light sources, then power consumption is reduced, but continuous control capability is lost
Solution Approach 1:
The control unit maintains continuous wireless communication with the controllable light source, allowing control commands to be transmitted at any time regardless of the mechanical switch position. The system enables continuous control capability by operating independently of the mechanical switch state, ensuring that useful control action can continue without interruption.
Solution Approach 2:
The mechanical switch operation is replaced with an electronic control system that uses wireless communication to control the light source. Instead of relying on mechanical contact to control power delivery, the system uses electronic signals transmitted wirelessly to the controllable light source, allowing control without mechanical switch intervention.
3Adaptability or versatility
If mechanical switches are replaced with load control devices, then control features are enhanced, but installation cost increases
Solution Approach 1:
The control unit is designed to work with multiple types of electrical loads including lighting loads and motor loads. The device can control various types of controllable light sources and motors using the same wireless communication interface, eliminating the need for different control devices for different load types and reducing overall system cost.
Solution Approach 2:
The control unit automatically establishes wireless communication with the electrical load and enables control functionality without requiring professional installation. The device is designed to be installed by end-users on existing mechanical switches, eliminating the need for electrical contractors and reducing installation costs while maintaining enhanced control features.
Data Source
AI summary
Remote control devices may control electrical loads and/or load control devices of a load control system without accessing electrical wiring. The remote control device may be mounted over a mechanical switch that is installed in a wallbox. The remote control device may include a control unit and a faceplate assembly. The faceplate assembly may include a mounting frame, an adapter plate, and a faceplate. The mounting frame may be configured to abut a bezel of the mechanical switch such that that the faceplate is spaced away from the bezel of the mechanical switch to enable the mounting ring to extend through respective openings in the adapter plate and the faceplate.