Ceiling-Fan Lamp Control Circuit Board with Multiple Modes
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Solution Overview
Problem
Current ceiling-fan lamps have limited control modes and require manual proximity to control, making them inconvenient and unreliable, especially when the pull wire is broken.
Innovation Solution
A ceiling-fan lamp with multiple control modes, featuring a control circuit board connected to a DC power supply, including a control-and-management module, action control module, communication module, motor drive module, and lamp driver module, allowing for precise control of the ceiling fan and lamp using digital signals and communication signals, enabling remote control and multiple control methods.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a pull wire control mode is used, then the ceiling-fan lamp can be controlled manually, but the control reliability decreases when the pull wire is broken and the user experience deteriorates due to requiring manual proximity control
Solution Approach 1:
The control circuit board integrates multiple control interfaces including pull wire control, remote control receiver, and communication module (WiFi/Bluetooth), allowing the ceiling-fan lamp to be controlled through multiple channels. This multi-functionality ensures that if one control method fails (e.g., pull wire breaks), other methods remain available, thereby improving control reliability while maintaining user convenience through remote operation capabilities
Solution Approach 2:
The control circuit board acts as an intermediary that processes signals from multiple sources (pull wire, remote control, communication module) and converts them into standardized control signals for the motor drive module and lamp driver module. This intermediary approach decouples the control interfaces from the execution mechanisms, improving system reliability and allowing users to operate the device from a distance without direct proximity to the pull wire
2Adaptability or versatility
If multiple control modes are integrated, then the control versatility and reliability improve, but the device complexity increases
Solution Approach 1:
The patent merges multiple control functions (pull wire control, remote control reception, wireless communication) into a single integrated control circuit board. This consolidation approach allows the system to support multiple control modes and interfaces while avoiding the complexity of separate control systems for each function. The control circuit board processes all input signals and coordinates the motor drive module and lamp driver module, thereby improving control versatility without proportionally increasing device complexity
Solution Approach 2:
The control circuit board is designed with multi-functionality to handle diverse control inputs (manual pull wire, infrared remote control, WiFi/Bluetooth communication) and output unified control signals. This universal control interface approach enables the system to adapt to different user preferences and operational scenarios while maintaining a relatively simple overall architecture, as the core processing logic remains centralized in the control circuit board
Data Source
AI summary
The present invention relates to household appliances, and in particular to a ceiling-fan lamp with multiple control modes, including a control circuit board, which includes a control-and-management module, an action control module for receiving action signals from a pull wire, and a motor drive module electrically connected to a ceiling-fan motor, a communication module configured to receive communication signals, and a lamp driver module electrically connected to a lamp; the control-and-management module is configured to receive and process the action signals or the communication signals. The present invention includes a motor, a lamp and a control-and-management module operating at a safety DC ultra-low voltage (less than or equal to 48V) which adopts digital signals for communication; the control-and-management module (equipped with an MCU), through communicating with the action control module and various other control modes such as the communication module, achieves precise control of the ceiling-fan lamp.