Single Live Wire Remote Control for Ceiling Fans
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Solution Overview
Problem
Traditional ceiling fan control systems face synchronization issues when multiple fans or light fixtures need to be centrally controlled from a single location, especially in large public spaces, due to their one-to-one design limitations, which hinder energy efficiency, intelligent control, and centralized management.
Innovation Solution
A single live wire intelligent remote-control system that uses a wall-mounted control device to translate user commands into digitized data, encapsulated in AC waveforms, transmitted through the existing power line, allowing for one-to-many synchronous control of ceiling/wall devices, eliminating synchronization issues and enabling centralized management.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a one-to-one control design is used, then each fan or light fixture can be individually controlled, but multiple devices cannot be centrally controlled from a single location, resulting in lack of synchronization
Solution Approach 1:
The wall-mounted control device is designed to perform multiple functions: it can control a single device individually or simultaneously control multiple ceiling fans and light fixtures through the existing power line communication system, achieving one-to-many control capability while maintaining the one-to-one control option
Solution Approach 2:
The patent introduces a communication module that uses the existing power line as a transmission medium. This intermediary enables data transmission between the wall-mounted control and multiple ceiling devices through the power infrastructure already present in the building, eliminating the need for additional dedicated control wiring
2Ease of manufacture
If traditional key command output approach is used, then control implementation is simple, but synchronization between multiple devices cannot be achieved
Solution Approach 1:
The control system incorporates a communication protocol with acknowledgment mechanisms. When the wall-mounted control sends control commands to multiple devices, it receives feedback signals from each device to confirm proper reception and execution, ensuring synchronized operation and enabling reliable multi-device control
3Adaptability or versatility
If one-to-many control is implemented, then centralized management of multiple devices is enabled, but additional control wiring would increase installation complexity
Solution Approach 1:
The existing power line infrastructure is made multi-functional by enabling it to carry both power delivery and data communication functions simultaneously. This eliminates the need for separate control wiring for each device, allowing centralized control of multiple devices while avoiding additional installation complexity
Solution Approach 2:
The patent merges the power distribution function and control signal transmission function into a single infrastructure - the existing power line. By combining these functions, the system achieves one-to-many control capability without requiring additional control wiring, thus avoiding increased installation complexity
Data Source
AI summary
A single live wire intelligent remote-control device and method control at least one ceiling/wall device. It comprises a live wire providing AC voltage, a wall-mounted control panel with terminals connected to the live wire, and a power electrical wire with terminals-one connected to the control panel and one to the ceiling/wall device's input terminal. The wall-mounted control detects the AC voltage and controls the voltage phase of a second AC voltage provided to the power wire based on user input data, where different off phase periods correspond to different logic values and null of the data. The ceiling/wall device determines if the received second AC voltage is the data or not by detecting the null periods. The second input terminal of the ceiling/wall device connects to a neutral wire.