Smart Hazard Detector With Location-Adaptive Pre-Alarm Settings
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Solution Overview
Problem
Existing hazard detectors in smart home environments lack a user-friendly installation process and adaptive settings based on specific locations, leading to potential false alarms and inefficient hazard detection.
Innovation Solution
A smart hazard detector that allows users to input their installation location, adjusts detection thresholds, and enables/disables features accordingly, providing a heads-up pre-alarm and standard emergency alarm capabilities through a processing system and communication with a central server or cloud-computing system.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If hazard detectors use fixed alarm thresholds to ensure reliable hazard detection, then detection reliability is improved, but false alarms increase in certain locations
Solution Approach 1:
The patent implements dynamic alarm thresholds that automatically adjust based on the detected installation location. The system transitions from fixed, static thresholds to dynamic, location-adaptive thresholds. When the detector identifies it is installed in a kitchen, it automatically raises the alarm threshold to prevent false alarms from cooking activities, while maintaining lower thresholds in bedrooms for early hazard detection.
Solution Approach 2:
The system changes the detection parameter (alarm threshold) based on the installation location. Different locations have different optimal threshold values - kitchens require higher thresholds to tolerate cooking emissions, while bedrooms benefit from lower thresholds for maximum safety. This parameter adaptation resolves the contradiction between reliable detection and false alarm prevention.
2Adaptability or versatility
If hazard detectors provide comprehensive alarm capabilities for all locations, then hazard detection coverage is improved, but device complexity increases
Solution Approach 1:
The detector performs self-configuration by automatically determining its installation location using sensors and algorithms. Instead of requiring users to manually configure the device for different locations, the system autonomously identifies whether it is in a kitchen, bedroom, hallway, or other location and adjusts its parameters accordingly. This eliminates complex configuration steps while maintaining comprehensive adaptability.
Solution Approach 2:
The system pre-programs multiple location profiles with optimized detection parameters for different installation environments. During installation, the detector automatically selects and applies the appropriate pre-configured profile based on detected environmental characteristics, eliminating the need for users to perform complex configuration actions.
3Measurement precision
If hazard detectors use lower alarm thresholds to improve early detection, then detection sensitivity is improved, but false alarms increase
Solution Approach 1:
The patent applies the principle of local quality by implementing location-specific detection sensitivity. Instead of using a uniform threshold across all installations, the system tailors the detection threshold to the local characteristics of each installation location. Bedrooms receive high sensitivity (low thresholds) for early detection, while kitchens receive reduced sensitivity (high thresholds) to tolerate normal cooking emissions.
4Manufacturing precision
If hazard detectors require manual configuration for each location, then detection accuracy is improved, but ease of operation deteriorates
Solution Approach 1:
The detector automatically performs the configuration task that would otherwise require manual user input. By using environmental sensors and location-detection algorithms, the system self-determines the installation location and self-configures the appropriate detection parameters, achieving both high accuracy and ease of installation.
Data Source
AI summary
A particular smart hazard detector may itself function as a guide during a process of installation of the same at an installation location. Additionally, the installation location of the particular smart hazard detector may play a central role in how various settings of the smart hazard detector are defined and adjusted over time.