Self-Cleaning Smoke Detector Chamber Using Vibration Dust Removal
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Solution Overview
Problem
Existing smoke detectors face issues with dust accumulation in air intakes and smoke chambers, leading to reduced sensitivity and potential blockage, necessitating costly and time-consuming manual maintenance.
Innovation Solution
Incorporation of light-emitting sources, light-sensing receptors, and a dark chamber with vibration motors and dust repellent coatings to prevent dust build-up, combined with electrostatic repulsion circuitry to maintain operational efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If manual cleaning is performed periodically to remove dust accumulation, then the detector sensitivity is maintained, but the maintenance cost and time consumption increase
Solution Approach 1:
The device performs self-cleaning through vibration motors that shake the smoke chamber to dislodge dust particles, which are then expelled through outlet openings. This eliminates the need for manual cleaning by specialized personnel, making the system maintain itself automatically while preserving detector sensitivity.
Solution Approach 2:
Vibration motors are coupled to the smoke chamber to generate mechanical vibrations that shake and dislodge dust accumulation from the chamber surfaces. This mechanical vibration mechanism enables automatic removal of dust without human intervention, resolving the contradiction between maintaining sensitivity and reducing maintenance time.
2Reliability
If manual cleaning is performed periodically to remove dust accumulation, then the air intake is kept clear, but the maintenance cost increases
Solution Approach 1:
The self-cleaning mechanism with vibration motors and outlet openings enables the device to clear its own air intake and smoke chamber automatically. This eliminates the need for costly professional maintenance services while ensuring air intake permeability is maintained throughout the device's operational life.
3Productivity
If dust accumulation is allowed to build up, then maintenance frequency is reduced, but the detector becomes insensitive or completely blocked
Solution Approach 1:
The self-cleaning mechanism operates continuously or periodically to prevent dust accumulation, ensuring the detector maintains its sensitivity and operational capability without interruption. The vibration motors and outlet openings work together to continuously remove dust particles, preventing blockages and maintaining operational continuity.
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 maintenance needs and prolongs device life by minimizing dust accumulation, ensuring consistent performance and reducing manual intervention.
Implementation Method 1
a vibration motor coupled to the dark chamber for shaking dust build-up within the dark chamber
Implementation Method 2
at least one emitter for emitting a light with one or more light wavelengths
Implementation Method 3
the emitter and receiver are oppositely mounted for scattering the light towards the receiver
Implementation Method 4
at least one receiver for providing an output signal of the light received from the emitter
Data Source
Figure 1~2
AI summary
A self-cleaning smoke detector device for detecting a presence of smoke particles in ambient air, comprising: at least one emitter for emitting a light with one or more light wavelengths; at least one receiver for providing an output signal of the light received from the emitter; a dark chamber with one or more inlet openings for receiving the smoke particles of the ambient air, within which the emitter and receiver are oppositely mounted for scattering the light towards the receiver and preventing the light from the emitter from being directly received by the receiver; characterized by comprising: a vibration motor coupled to the dark chamber for shaking dust build-up within the dark chamber; at least one outlet opening arranged inside dark chamber, for letting out shaken dust; an electronic data processor configured for actuating the vibration motor for shaking the dust inside the dark chamber.