Piezo Power Source Sensing for Aerosol Device Deformation Shutdown
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Solution Overview
Problem
Existing aerosol delivery devices, such as electronic cigarettes, lack advanced electronics to enhance usability and safety, particularly in monitoring the condition of the power source, which can affect device performance and user safety.
Innovation Solution
Incorporating a piezo sensor coupled with processing circuitry to detect deformation of the power source, enabling the aerosol delivery device to control its functionality based on the detected characteristics, such as deformation amount, fracture, or mechanical stress, and providing user feedback.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a piezo sensor is incorporated to detect power source deformation, then device safety is improved, but device complexity increases
Solution Approach 1:
A piezo sensor is introduced as an intermediary component between the power source and the control system. The sensor detects deformation of the power source and converts it into electrical signals that can be processed by the existing control circuitry, enabling safety monitoring without requiring complex system redesign
Solution Approach 2:
The piezo sensor provides real-time feedback on the mechanical state of the power source by detecting deformation. This feedback loop enables the control system to monitor power source integrity continuously and trigger safety responses when threshold values are exceeded, improving reliability through active monitoring
2Reliability
If the device disables functionality when threshold deformation is reached, then safety is improved, but ease of operation deteriorates
Solution Approach 1:
The system takes preliminary anti-action by disabling device functionality before actual damage can occur. When the piezo sensor detects that deformation has reached a predetermined threshold indicating potential failure, the control system proactively shuts down operation to prevent safety hazards, prioritizing safety over operational convenience
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 solution enhances device safety by disabling functionality when threshold deformation is reached, preventing potential hazards and providing user-perceptible feedback on the power source's state, thereby ensuring safe operation.
Implementation Method 1
a piezo sensor configured to generate an electrical response to a deformation of the power source, the electrical response indicative of a characteristic of the deformation
Data Source
AI summary
An aerosol delivery device includes a power source and an aerosol production component that is powerable to produce an aerosol from an aerosol precursor composition. The aerosol delivery device also includes processing circuitry configured to switchably connect the power source to a load that includes the aerosol production component and thereby power the aerosol production component. A piezo sensor is operatively coupled with the power source and the processing circuitry. The piezo sensor is configured to generate an electrical response to a deformation of the power source, and the electrical response is indicative of a characteristic of the deformation. The processing circuitry is configured to control the aerosol delivery device based at least in part on the characteristic of the deformation indicated by the electrical response.