LED Lighting Arrangement with Integrated Battery Backup
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Solution Overview
Problem
Existing lighting systems with battery backup solutions are often bulky and aesthetically unappealing, and they do not efficiently manage power transitions between primary and backup sources, leading to inefficiencies in lighting performance during outages.
Innovation Solution
A lighting arrangement that integrates a light emitter portion with a battery backup portion, featuring a DC-AC inverter and microcontroller unit to seamlessly switch between primary AC power and battery power, ensuring continuous operation of LED lights with a compact and aesthetically compatible design.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a battery backup system is integrated into the lighting arrangement, then continuous operation during outages is achieved, but the device becomes bulkier and less aesthetically appealing
Solution Approach 1:
The patent combines the battery backup portion with the light emitter portion into a single integrated lighting arrangement. The battery backup portion is positioned within the same housing structure as the LED array, merging two previously separate functions (lighting and power backup) into one unified device, thereby avoiding the need for a separate bulkier battery unit
Solution Approach 2:
The battery backup components (battery cells, converter portion) are nested within the housing of the light emitter portion. The battery backup portion is selectively positionable between the light emitter portion and the junction box, allowing it to be contained within the existing lighting fixture volume rather than requiring additional external space
2Reliability
If a battery backup system is added to ensure continuous operation, then power reliability improves, but the device complexity increases
Solution Approach 1:
The converter portion serves multiple functions: it converts DC battery power to AC for the LED driver, and also functions as a power management interface with the junction box. The same hardware components support both normal AC-powered operation and battery backup operation, reducing the need for separate dedicated components for each mode
Solution Approach 2:
The microcontroller unit automatically detects power outages and manages the transition between AC power and battery power without user intervention. The system self-monitors its power state and autonomously switches between power sources, eliminating the need for manual controls or complex user-configurable settings
3Speed
If instant power transition is implemented between AC and battery sources, then lighting continuity is improved, but the system becomes more complex
Solution Approach 1:
The microcontroller unit continuously monitors the power state of the junction box and the battery charge level. This feedback mechanism allows the system to detect AC power failures instantly and automatically initiate the battery backup mode without delay, achieving fast transition through continuous system monitoring rather than complex switching circuits
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
The solution provides a compact, visually integrated battery backup system that ensures continuous LED light operation during outages, offering instant power transition and extended runtime without compromising the lighting arrangement's profile or appearance.
Implementation Method 1
a converter portion with a DC-AC inverter. The converter portion can be connected to the rectifier and can be configured to receive power from the one or more batteries or a primary AC source
Implementation Method 2
The circuitry can include a rectifier and an IC chip configured to drive the plurality of light emitting diodes, with the rectified voltage provided by the rectifier
Data Source
AI summary
A lighting arrangement can include a light emitter portion and a battery backup portion. The light emitter portion can have a plurality of light emitting diodes and circuitry including a rectifier for driving the light emitting diodes. The battery backup portion can be in electronic communication with the rectifier of the light emitter portion and have a battery portion and a converter portion with a DC-AC inverter and a microcontroller unit configured to route AC power to the rectifier from either a primary AC source or the battery portion. The light emitter portion can be configured to be mounted to a junction box and positioned below a ceiling of a dwelling space during use. The battery backup portion can be configured to be selectively positionable between the light emitter portion and the junction box.