Wi-Fi Load Control With Optical IP Setup for Remote Lighting
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Solution Overview
Problem
There is a need for a wireless load control device that can connect to the Internet via a wireless connection and control or program a lighting load in response to messages received from a wireless device, such as a smartphone, allowing for remote operation and programming.
Innovation Solution
A load control device with a controllable conductive device, a controller, and an optical module that receives optical signals for programming and control, enabling communication with smartphones and other devices for remote operation and configuration.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a load control device uses wireless communication (RF/IR) for remote control, then ease of operation is improved, but reliability of communication and control is worsened due to potential interference and limited range
Solution Approach 1:
The patent introduces an intermediary device (such as a wireless communication module or gateway) that bridges the smartphone and load control device, enabling stable communication over longer distances without direct line-of-sight requirements. This intermediary handles signal transmission and reception, reducing the impact of interference and extending operational range while maintaining reliable control.
2Adaptability or versatility
If a load control device connects to the Internet via wireless connection for remote programming, then adaptability is improved, but device complexity is worsened
Solution Approach 1:
The patent segments the system into distinct functional modules: a communication module for Internet connectivity, a control module for load management, and a programming interface. This segmentation allows the load control device to gain Internet connectivity and programming capabilities while isolating the complexity into separate, manageable components that can be independently configured and maintained.
3Ease of operation
If optical signals are used for programming the load control device, then ease of operation is improved through simple visual interface, but manufacturing precision is worsened due to alignment requirements
Solution Approach 1:
The patent implements optical signaling for programming by transmitting data through visible light emissions that do not require precise alignment. The system uses ambient light modulation or LED indicators that can be detected by a smartphone camera from various angles, providing sufficient signal strength and detection capability without demanding strict alignment between the optical source and receiver, thus maintaining ease of operation while reducing manufacturing precision requirements.
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 control and programming of lighting loads through wireless communication, enhancing user convenience and flexibility in managing lighting settings.
Implementation Method 1
an optical module operable to receive an optical signal for programming the load control device or for controlling the load control device
Data Source
AI summary
A load control device for controlling the power delivered from an AC power source to an electrical load is able to receive radio-frequency (RF) signals from a Wi-Fi-enabled device, such as a smart phone, via a wireless local area network. The load control device comprises a controllably conductive device adapted to be coupled in series between the source and the load, a controller for rendering the controllably conductive device conductive and non-conductive, and a Wi-Fi module operable to receive the RF signals directly from the wireless network. The controller controls the controllably conductive device to adjust the power delivered to the load in response to the wireless signals received from the wireless network. The load control device may further comprise an optical module operable to receive an optical signal, such that the controller may obtain an IP address from the received optical signal and control the power delivered to the load in response to a wireless signal received from the wireless network that includes the IP address.