Controlled Battery Voltage Regulation for Adaptive Smoke Detector Alerts
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Solution Overview
Problem
Traditional smoke detectors with battery-powered sensors often chirp for longer than necessary, leading to premature battery replacement and inefficient power usage, as they are configured to alert users based on minimum regulatory durations without considering other factors.
Innovation Solution
A controlled battery system that regulates voltage output to delay or advance the low-battery warning signal, using a processor to simulate battery voltage changes, allowing for remote control and efficient power management by maintaining a consistent voltage until depletion, then dropping to a warning state as needed.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the smoke detector is configured to chirp for the minimum regulatory duration, then the device meets regulatory requirements, but the battery is replaced earlier than necessary
Solution Approach 1:
The patent applies dynamics by making the chirp duration adaptive rather than fixed. The system dynamically adjusts the low-battery warning duration based on remaining battery capacity, extending the chirp period when sufficient battery life remains and shortening it when battery capacity is limited, thereby optimizing both regulatory compliance and battery utilization
Solution Approach 2:
The patent changes the parameter of chirp duration from a static minimum value to a dynamic value that varies based on battery state. By monitoring battery voltage and capacity, the system adjusts the warning duration parameter to match actual battery reserves, preventing premature battery replacement while ensuring regulatory requirements are met
2Loss of information
If the smoke detector chirps for significantly longer than the minimum duration, then user awareness of low battery is enhanced, but power is wasted and batteries are changed earlier than necessary
Solution Approach 1:
The patent implements feedback by continuously monitoring battery voltage and capacity, then using this information to adjust the chirp warning behavior. The system provides feedback to the user through adaptive chirping patterns that reflect actual battery status, ensuring adequate user awareness while preventing excessive power consumption from unnecessarily long warning periods
Solution Approach 2:
The chirp duration and frequency are made dynamic based on real-time battery status. The system adjusts warning intensity and duration according to remaining battery capacity, providing strong user awareness when battery reserves are adequate but reducing warnings when power is limited, thus balancing information delivery with energy conservation
3Productivity
If a controlled battery with voltage regulation is implemented, then battery usage is optimized and operational life is extended, but device complexity increases
Solution Approach 1:
The controlled battery serves multiple functions: it provides power to the smoke detector, monitors its own voltage and capacity, regulates output voltage, and dynamically controls warning signals. By integrating these diverse functions into a single battery unit, the system extends operational life without requiring separate complex subsystems for each function
Solution Approach 2:
The battery performs self-monitoring and self-regulation of its voltage output and warning signals based on its own capacity status. The controlled battery autonomously determines when to maintain voltage and when to initiate warnings, eliminating the need for external control circuitry and reducing overall system complexity while extending operational life
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
Extends the operational life of smoke detectors by optimizing battery usage, reducing unnecessary replacements and power waste, and enabling remote alerts and management of low-battery conditions.
Implementation Method 1
The controlled battery includes an energy storage element and logic for controlling that energy storage element
Implementation Method 2
The controlled battery further may include a voltage regulator that delivers electricity at a voltage to the mechanical connectors from the energy storage, wherein the voltage regulator regulates the voltage to be a consistent output voltage
Data Source
AI summary
A controlled battery includes a housing shaped in order to fit inside a battery compartment of an electrical device. The housing includes mechanical connectors on an exterior surface of the housing, adapted to couple to conventional battery electrical terminals of the electrical device. The controlled battery further includes an energy storage, such as a battery, inside the housing which stores energy and a voltage regulator which delivers a voltage to the mechanical connectors of the controlled battery from the energy storage, the voltage configured to be a consistent output voltage that does not deviate from a characteristic output voltage of the controlled battery until the energy storage is substantially depleted of energy.