Ceiling Fan Control System Using Wireless Module and Wired Remote
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing ceiling fan control systems are cumbersome and difficult to use, with mechanical pull chains and reverse switches being hard to operate due to their location and requiring separate installation of remote control receivers, which limits control to a single fan and complicates maintenance.
Innovation Solution
An electronic ceiling fan control system using a printed circuit board with a wireless communication module and a wired remote control device that sends signals to control fan speed, lighting, and direction, eliminating the need for mechanical controls and allowing remote operation and control of multiple fans.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If mechanical pull chains and reverse switches are used to control ceiling fan features, then the control functions are provided, but the operation becomes cumbersome and difficult due to location and visibility issues
Solution Approach 1:
The patent replaces mechanical pull chains and reverse switches with an electronic control system that uses wireless communication (RF or infrared) to control ceiling fan features. The mechanical hardware in the switch housing is eliminated in favor of an electronic circuit board with wireless receiver, buttons, and LED indicators, making operation easier while reducing mechanical complexity.
2Ease of operation
If accessory remote control operation is installed to provide cooling and lighting control, then remote operation is enabled, but the installation expense and difficulty increase
Solution Approach 1:
The patent combines the remote control receiver, control circuitry, and user interface buttons into a single integrated unit that is installed within the existing ceiling fan switch housing. This merging eliminates the need for separate accessory remote control installations and reduces overall system complexity while maintaining remote operation capabilities.
3Adaptability or versatility
If canopy mounted receiver is installed for remote control operation, then wireless control is provided, but maintenance and service become extremely difficult
Solution Approach 1:
The patent extracts the wireless receiver and control electronics from the canopy housing and relocates them to a circuit board mounted in the switch housing near the motor. This extraction makes the control components accessible for maintenance and service while still providing wireless control functionality through the existing housing structure.
4Adaptability or versatility
If separate pull chains are used for fan speed and lighting control, then control functions are provided, but user confusion increases due to non-visible labels
Solution Approach 1:
The patent uses LED indicators that change color or illuminate to provide visual feedback about the current operating state of the ceiling fan. Different LEDs indicate different modes (lighting on/off, fan speed levels, reverse direction), making the system state immediately visible and eliminating user confusion about current settings.
5Adaptability or versatility
If reverse switch is located on the switch housing of suspended ceiling fan, then direction control is provided, but consumer access becomes difficult due to elevated location
Solution Approach 1:
The patent introduces a wireless intermediary system where a handheld remote control device communicates with the ceiling fan through wireless signals. This intermediary allows users to control the reverse switch and other functions from ground level without needing to physically reach the elevated switch housing.
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
Provides intuitive control of ceiling fan features, including speed, lighting, and direction, through a wireless or wired interface, simplifying operation and enabling control of multiple fans without the need for complex installations, enhancing user experience and reducing maintenance complexity.
Implementation Method 1
a wireless communication module and an electronic circuit coupled with the wireless communication module
Implementation Method 2
a wired remote control device coupled to the printed circuit board and configured to send user selected signals to the electronic circuit
Data Source
Figure 1
Figure 2
Figure 3A~3B
AI summary
A ceiling fan includes a fan motor housing; a motor positioned within the motor housing; a plurality of fan blades rotatable by the motor; a fan controller and a wired remote control. The fan controller includes a printed circuit board (PCB) having a wireless communication module and an electronic circuit coupled with the wireless communication module and is configured to control the motor to rotate the plurality of fan blades. The wired remote control device is coupled to the printed circuit board and is configured to send user selected signals to the electronic circuit on a first frequency. The electronic circuit is configured to be responsive to signals from the wired remote control device on the first frequency and to be responsive to signals from the wireless communication module on a second frequency.