Smoke Detector Chamber Insecticide Injection for False Alarm Prevention
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Solution Overview
Problem
Insects in the smoke detector chamber of fire alarm systems often cause false alarms due to their interference with optical sensing apparatus, making it difficult to distinguish between real smoke and insects, and manual removal methods are costly and ineffective.
Innovation Solution
Introducing an insecticide or irritant into the smoke detector chamber to deter, disturb, or kill insects, thereby preventing interference with the optical sensing apparatus.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If manual injection of compressed air is used to remove insects, then insects can be temporarily dispersed, but the process is costly, time-consuming, and ineffective as insects may not leave or may return to the chamber
Solution Approach 1:
The system uses a fan to automatically circulate air and an insecticide dispensing system to automatically apply insect control substances within the chamber, enabling self-maintenance without requiring technician intervention or manual compressed air injection
Solution Approach 2:
The patent introduces an intermediary substance (insecticide or irritant) that mediates between the harmful insects and the detection system, eliminating the need for direct mechanical intervention while maintaining alarm reliability
2Reliability
If manual injection of compressed air is used to remove insects, then insects can be temporarily dispersed, but the process is costly and time-consuming
Solution Approach 1:
The system employs automated components including a fan for air circulation and an insecticide dispensing mechanism that operates without technician intervention, eliminating the need for repeated costly manual service calls
Solution Approach 2:
The system uses consumable insecticide or irritant substances that can be periodically replenished at low cost, replacing the need for expensive repeated manual compressed air injection services
3Reliability
If manual injection of compressed air is used to remove insects, then insects can be temporarily dispersed, but the process is ineffective as insects may not leave or may return to the chamber
Solution Approach 1:
The automated fan and insecticide dispensing system continuously maintains an insect-free environment without requiring repeated manual interventions, achieving sustained effectiveness rather than temporary dispersion
Solution Approach 2:
The system implements continuous air circulation via the fan and periodic or continuous insecticide application, maintaining constant protection against insect intrusion rather than intermittent manual treatment
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
Reduces false alarms by ensuring reliable smoke detection, minimizing the need for manual intervention, and enhancing the reliability and efficiency of fire alarm systems.
Implementation Method 1
a light source to direct a light beam through the smoke detecting chamber and a light sensor to detect the light beam and identify whether smoke particles are present within the chamber
Data Source
AI summary
Devices, systems, and methods for controlling insects in a smoke detector device are described herein. One insect controlling smoke detector device, includes a housing having a smoke detecting chamber formed therein, a light source directing a light beam through the smoke detecting chamber, a light sensor to receive a portion of the light beam and analyze the received light beam to determine whether smoke particles are present in the chamber, and an insecticide injecting apparatus to inject insecticide into the chamber.