BLE Mesh LED Driver Wireless Control
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Solution Overview
Problem
Conventional LED lighting systems lack wireless control capabilities, are limited by wired solutions, and do not support large-scale device networks for controlling and automating LED lighting, particularly with mesh network topology on Bluetooth Low Energy (BLE) for efficient dimming and monitoring.
Innovation Solution
A wireless adaptive LED driver system utilizing a Bluetooth Low Energy (BLE) Mesh network for remote control and dimming of LED lights, incorporating a control unit with processors and memory to detect BLE-enabled devices, receive dimming signals, and adjust current output using both analogue and pulse-width modulation (PWM) techniques, allowing seamless integration with smart devices and battery-operated switches.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional wired LED control systems are used, then reliable power supply and control signal transmission are achieved, but system complexity increases and wireless control capability is lost
Solution Approach 1:
The patent replaces wired mechanical connections with wireless Bluetooth Low Energy (BLE) communication for control signal transmission. The LED driver system incorporates a BLE module that enables wireless communication with mobile devices, eliminating the need for physical wiring between controllers and LED fixtures while maintaining reliable control capability.
Solution Approach 2:
The LED driver is designed with multi-functionality, serving both as a power supply device and a wireless communication node. It integrates BLE mesh network capabilities, allowing it to function as a router that forwards control messages between other BLE devices and the LED load, thereby reducing overall system wiring complexity while maintaining control reliability.
2Adaptability or versatility
If conventional LED control systems are used, then simple control is achieved, but support for large-scale device networks is limited
Solution Approach 1:
The patent implements a mesh network topology where the LED driver system is segmented into multiple independent nodes. Each LED driver acts as an autonomous BLE mesh node capable of independently processing and forwarding messages. This segmentation allows the system to scale to large numbers of devices without requiring a centralized controller, as each node operates semi-independently within the distributed network.
Solution Approach 2:
The LED driver serves as an intermediary device in the BLE mesh network, receiving control messages from mobile devices or other BLE nodes and forwarding them to the LED load. It also acts as a router that relays messages between different parts of the network, enabling large-scale device connectivity while maintaining relatively simple individual device architecture.
3Extent of automation
If basic LED control is used, then energy efficiency is achieved, but automated control and scene configuration capabilities are lacking
Solution Approach 1:
The patent incorporates feedback mechanisms where the LED driver monitors its operational status and network connectivity, then reports this information back to the mesh network and mobile application. This enables automated control features such as remote on/off, dimming control, and scene configuration, as the system can receive feedback about device state and respond appropriately without requiring complex local automation logic.
Data Source
AI summary
The present disclosure relates to the field of lighting and more specifically, to a Bluetooth low energy mesh enabled adaptive light emitting diode (LED) driver with wireless battery powered switches for lighting control. In an aspect, the LED driver can include a rectifier (104); a switch mode power supply (106), a wireless Bluetooth and microcontroller board (110) and a portable wireless switch (506). The rectifier (104) can convert AC mains (102) to a DC level. The switch mode power supply circuit (106) can supply a constant voltage output followed by a constant current supply (108) for the LED load. The wireless Bluetooth module (110) can be connected in a mesh topology to other LED drivers, wireless switches and the smartphone. The microcontroller circuit (110) can enable the user to adjust the current level supplied to the LED Load using both analogue and PWM dimming techniques (112).