Adaptive Light Fixture Standby Circuit for Motion-Triggered Illumination
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing illumination systems lack a standby mode that efficiently conserves power while maintaining low-level illumination, especially in battery-powered or alternative powered scenarios.
Innovation Solution
An adaptive light fixture with integrated control circuitry and sensors that switches to a standby mode using an internal battery when disconnected from the primary power source, allowing sensors to operate and power low-level illumination upon detection of motion or low ambient light.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If the light fixture operates continuously in illumination mode using primary power supply, then illumination intensity is maintained, but energy consumption increases
Solution Approach 1:
The light fixture dynamically switches between two operational modes: full illumination mode using primary power supply and standby mode using secondary battery power. The control circuitry automatically transitions between modes based on ambient light conditions and motion detection, optimizing energy consumption while maintaining illumination intensity when needed
Solution Approach 2:
The system employs periodic motion detection and ambient light sensing to determine when full illumination is necessary versus when standby mode is sufficient. The motion-activated illumination provides periodic full lighting only when movement is detected, rather than continuous operation
2Use of energy by moving object
If the light fixture uses secondary battery power in standby mode, then energy consumption decreases, but illumination capability is reduced
Solution Approach 1:
The system provides different illumination qualities for different operational contexts: full illumination intensity from primary power supply during active illumination mode, and reduced but sufficient illumination from secondary battery during standby mode. The local quality of illumination is optimized for each mode's specific purpose
Solution Approach 2:
The secondary battery automatically charges during illumination mode when primary power is available, and then autonomously provides power during standby mode without user intervention. The system self-manages power transitions and battery charging, maintaining functionality across power sources
3Adaptability or versatility
If the light fixture remains disconnected from primary power supply, then energy independence is improved, but sensor operation reliability decreases
Solution Approach 1:
The control circuitry serves multiple functions: it manages primary power supply connection, charges the secondary battery, operates sensors, and controls illumination. This multi-functional design ensures that sensor operation remains reliable whether the system is connected to primary power or operating independently on secondary battery power
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 adaptive light fixture effectively conserves power by using a secondary power source for standby mode, ensuring low-level illumination only when needed, thus optimizing energy usage and maintaining functionality without constant primary power.
Implementation Method 1
an internal battery and a control circuit electrically connected to the first illumination source, the second illumination source, the internal battery, wiring for an external power source
Data Source
AI summary
An illumination apparatus which has a standby feature whereupon switching off the light fixture, minimal standby feature operations may be implemented using an alternative power source. By turning off the light switch, the light fixture may switch from a first operating mode, such as an illumination mode, into a standby mode. While in standby mode, the light fixture may operate in the standby mode connected to a secondary power supply, such as a battery. While in the standby mode, the light fixture may operate to conserve power while ensuring that the sensor can operate along with a subset of the control circuit. Upon detection of motion while in standby mode, the secondary power supply may work in conjunction with the standby circuit to power a single, or all of the, light source(s) at a lower output powered only by the secondary power supply.