Battery Light Tower Runtime Optimization
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Solution Overview
Problem
Conventional portable light towers lack efficient power management and runtime optimization, leading to suboptimal performance in maintaining light intensity and duration.
Innovation Solution
A light tower system with a lithium-ion battery pack, an extendible mast, and a controller that adjusts power output to light emitting diodes based on user inputs and available power, allowing for customizable light intensity and extended runtime through modes such as constant, photovoltaic, dusk/dawn, and timer settings.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Duration of action of moving object
If conventional portable light towers use fixed power output to maintain light intensity, then illumination quality is preserved, but runtime is limited to 2 hours
Solution Approach 1:
The system dynamically adjusts power output between normal and increased operating modes based on user input and battery status. The controller modifies light intensity and power delivery in real-time, transforming the static power consumption into a dynamic parameter that adapts to operational needs, thereby extending runtime from 2 to 12 hours.
Solution Approach 2:
The system changes operational parameters by switching between normal and increased operating modes. The controller adjusts voltage, current, and power output levels based on battery pack status and user preferences, optimizing the balance between light intensity and runtime. This parameter adjustment enables the system to operate efficiently for extended periods.
2Illumination intensity
If the system operates in increased power mode to maintain high light intensity, then illumination quality is improved, but runtime decreases
Solution Approach 1:
The system allows dynamic switching between normal and increased operating modes. Users can select increased power mode when high light intensity is required, with the controller adjusting power delivery accordingly. The system dynamically balances intensity needs against remaining battery capacity, enabling flexible operation based on real-time conditions.
Solution Approach 2:
The system employs periodic mode switching based on user input and battery status monitoring. The controller periodically assesses battery charge levels and operational context, switching between normal and increased modes to optimize both illumination quality and runtime. This periodic adjustment allows the system to maintain high intensity when needed while preserving overall runtime.
3Productivity
If the system provides fixed runtime without power optimization, then operational simplicity is maintained, but power efficiency is suboptimal
Solution Approach 1:
The controller continuously monitors battery pack status, power consumption levels, and operational parameters. Based on this feedback, the system automatically adjusts power delivery to optimize efficiency while extending runtime. The feedback mechanism enables the controller to make real-time decisions about power allocation, light intensity, and mode switching without requiring complex user intervention.
Solution Approach 2:
The system performs self-optimization by automatically managing power distribution based on its own operational status. The controller monitors battery levels and autonomously adjusts power consumption patterns to maximize runtime and efficiency. This self-service capability reduces the need for complex external control systems while achieving optimal power efficiency.
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 system ensures extended runtime and adjustable light intensity, increasing the operational hours of the light tower from 2 hours to 12 hours by optimizing power usage based on user inputs and available battery power.
Implementation Method 1
a battery pack supported on the base and including a plurality of lithium-ion battery cells
Implementation Method 2
a light assembly including a plurality of light emitting diodes
Data Source
AI summary
A light tower includes a base, an extendible mast coupled to the base, a battery pack supported on the base and including a plurality of lithium-ion battery cells, a light assembly including a plurality of light emitting diodes electrically coupled to the battery pack, a user device configured to receive an input runtime, and a controller in communication with the battery pack, the light assembly, and the user device. The is configured to receive the input runtime from the user device, determine an available power output of the battery pack, and determine a light intensity of the light assembly based on the input runtime and the available power output of the battery pack to ensure the light assembly operates for the input runtime.