Super Capacitor Emergency Backup for Portable LED Lighting
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Solution Overview
Problem
Portable lighting systems for temporary shelters, such as military tents, face challenges with unreliable power sources and existing battery backup solutions that are heavy, difficult to transport, and not suitable for military applications, often requiring manual connection in the dark and periodic power monitoring.
Innovation Solution
A portable LED lighting system utilizing a super capacitor pack that stores electrical charge and provides short-term emergency power when the primary power source fails, eliminating the need for batteries and enabling quick action during power loss without adding weight or complexity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Duration of action of moving object
If a battery pack is used for emergency backup power, then power supply duration is extended, but weight increases and portability deteriorates
Solution Approach 1:
The patent changes the energy storage parameter from chemical (batteries) to electrical (super capacitors), achieving emergency power backup with significantly reduced weight while maintaining sufficient duration (30-120 seconds) for military lighting applications
2Reliability
If a battery pack is used for emergency backup power, then power supply capability is provided, but device complexity increases due to connection and monitoring requirements
Solution Approach 1:
The super capacitor array is integrated directly into the lighting system circuitry, merging the emergency power source with the main system. The control circuit automatically detects power failures and switches to backup power without requiring separate connection mechanisms or monitoring systems, thereby reducing overall device complexity
Solution Approach 2:
The control circuit automatically detects main power failures and activates the super capacitor backup without human intervention. The system self-monitors power status and performs automatic switching, eliminating the need for manual connection and periodic power level monitoring that would increase complexity
3Reliability
If a battery pack is used for emergency backup power, then emergency power is provided, but ease of operation deteriorates due to manual connection requirements in dark conditions
Solution Approach 1:
The super capacitor array is pre-integrated into the lighting system during manufacturing, with all connections pre-established. When emergency power is needed, the system is already configured and ready to switch automatically, eliminating the need for users to manually connect battery packs in dark or emergency conditions
4Reliability
If traditional battery backup systems are used, then emergency power is provided, but adaptability to military applications deteriorates due to weight and reliability concerns
Solution Approach 1:
The patent changes the energy storage technology parameter from traditional batteries to super capacitors, achieving military-grade reliability and portability. The super capacitor system provides instant power delivery, extended cycle life, and operation in extreme temperatures, making it highly adaptable to military lighting applications where weight and reliability are critical
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 maintains a minimum light intensity for 30 seconds to 120 seconds, allowing time to restore power or adapt to the loss, without the need for batteries, making it more reliable and transportable than traditional battery backup systems.
Implementation Method 1
providing a super capacitor pack that stores an electrical charge and releases this charge over a relatively short period of time
Data Source
AI summary
An LED lighting system including an LED array including one or more LED lights, a main power supply supplying power to the LED array, and an emergency power source supplying short-term power to the LED array upon detection of a loss of power from the main power supply. The emergency power source consists of a super capacitor array charged by the main power source.