Vaporizer Inhalation Detection With Adaptive Pressure Sampling
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Solution Overview
Problem
Vaporizer devices face challenges in efficiently transitioning between operation modes based on pressure differences, particularly when dealing with viscous and sticky vaporizable materials like cannabis oil, which can lead to leakage and clogging issues.
Innovation Solution
A vaporizer device equipped with pressure sensors and ambient pressure sensors that adjust sampling frequencies based on pressure thresholds, along with a robust cartridge design to prevent leakage and electrical disruptions, and a system for wireless communication and user interface management.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If the pressure sensor operates at a high sampling frequency to detect pressure changes quickly, then the response speed improves, but the energy consumption increases
Solution Approach 1:
The pressure sensor operates at different sampling frequencies depending on the operational state. During active inhalation detection, it uses a first sampling frequency to quickly detect pressure changes. During idle periods, it switches to a second sampling frequency that is lower than the first, thereby reducing energy consumption while maintaining the ability to detect when inhalation occurs.
Solution Approach 2:
The sampling frequency parameter of the pressure sensor is dynamically adjusted based on operational needs. The system transitions between at least two different sampling frequencies (first sampling frequency during active mode, second sampling frequency during idle mode), optimizing the balance between response speed and energy consumption.
2Reliability
If the vaporizer device uses a robust cartridge design to prevent leakage, then the reliability improves, but the device complexity increases
Solution Approach 1:
The cartridge is divided into distinct functional components including a cartridge body, a separate seal assembly, and a heater assembly. The seal assembly specifically addresses leakage prevention through dedicated sealing elements that create fluid-tight barriers between the cartridge body and heater assembly, improving reliability without requiring complete redesign of the entire cartridge.
Solution Approach 2:
A seal assembly acts as an intermediary component between the cartridge body and heater assembly. This intermediate sealing structure prevents direct contact between potential leakage paths and the vaporizable material reservoir, thereby preventing leakage while maintaining a relatively simple overall cartridge design.
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 enables precise control over vaporization processes, reduces leakage and clogging risks, and provides a user-friendly interface for managing vaporizable materials, enhancing the overall performance and reliability of vaporizer devices.
Implementation Method 1
measuring, by a pressure sensor, a first pressure in an air flow path of a vaporizer device
Implementation Method 2
measuring, by an ambient pressure sensor, a second pressure corresponding to an atmospheric pressure
Implementation Method 3
a heater in a cartridge of the vaporizer device may be activated to cause a vaporization of a vaporizable material
Implementation Method 4
cause a vaporization of a vaporizable material contained in the cartridge
Data Source
AI summary
Aspects of the current subject matter are directed to transitioning a vaporizer device between different modes of operation including an active mode, a standby mode, and a deep standby mode. The vaporizer device may include a pressure sensor to measure a first pressure in an air flow path, and an ambient pressure sensor to measure a second pressure corresponding to an atmospheric pressure. The transition between different modes of operation may change the sampling frequency and/or resolution of the pressure sensor and/or the ambient pressure sensor such that sampling occurs at a higher frequency and/or resolution when the vaporizer device is in an active mode. Additionally, a comparison of the pressure in the air flow path with the ambient pressure after a heating element is activated may serve as a verification by the vaporizer device that a user is drawing on the vaporizer device.