Aerosol Generating Device with Adaptive Puff Feedback Control
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Solution Overview
Problem
Conventional aerosol generating devices that heat instead of burn aerosol materials do not provide the same level of satisfaction as combustion-type cigarettes, lacking in terms of feeling, number of puffs, and aerosol quantity, leading to a need for adaptive feedback to mimic the smoking experience.
Innovation Solution
A device equipped with a battery, heater, sensor, and controller that detects user puffs through temperature and flux variations, providing feedback via vibration, LED control, and sound outputs based on puff characteristics to enhance user experience.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If direct combustion of aerosol generating material is used, then aerosol generation is achieved, but undesired volatile compounds are generated causing health problems
Solution Approach 1:
The patent changes the fundamental parameter of aerosol generation from combustion (high temperature) to heating (lower temperature). The heating unit heats the aerosol generating material to a temperature sufficient for aerosol formation but below the combustion point, thereby eliminating undesired volatile compounds while maintaining aerosol generation capability
Solution Approach 2:
The patent converts the harmful effect of combustion into a beneficial heating process. By using controlled heating instead of uncontrolled combustion, the system achieves aerosol generation without producing harmful volatile compounds, effectively turning a harmful process into a safe one
2Object-generated harmful factors
If heating instead of burning is used, then health safety is improved, but user satisfaction and aerosol quantity are reduced
Solution Approach 1:
The patent implements a feedback control system where sensors detect aerosol generation characteristics and user puff patterns, and the controller adjusts heating power and duration accordingly. This feedback mechanism ensures sufficient aerosol quantity is generated while maintaining safe heating temperatures that avoid combustion
Solution Approach 2:
The patent makes the heating process dynamic by adjusting heating power, duration, and temperature based on real-time sensor feedback and detected puff characteristics. This dynamic control allows the system to optimize aerosol quantity for each user interaction while maintaining safety parameters
3Object-generated harmful factors
If heating instead of burning is used, then health safety is improved, but the feeling and number of puffs differ from conventional cigarettes
Solution Approach 1:
The patent uses sensor feedback to detect user puff characteristics (strength, duration, frequency) and adjusts heating parameters in real-time to match user expectations. This feedback loop enables the device to adapt to different user behaviors and provide a consistent smoking-like experience
Solution Approach 2:
The patent implements dynamic adjustment of heating power, aerosol generation rate, and feedback signal intensity based on detected puff characteristics. This dynamic behavior allows the device to adapt to varying user needs and mimic the responsive nature of conventional cigarettes
4Adaptability or versatility
If sensor-based puff detection is implemented, then adaptive feedback is achieved, but device complexity increases
Solution Approach 1:
The patent makes the sensor system multi-functional by using sensors to detect multiple parameters (aerosol generation, user puff characteristics, temperature) and serve multiple purposes (control feedback, user experience optimization, safety monitoring). This reduces the need for separate specialized components
Solution Approach 2:
The patent combines the sensor, controller, and feedback output units into an integrated control system that works as a unified entity. The sensor data is processed by the controller which simultaneously manages heating control and feedback output, reducing overall system complexity through functional integration
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 device offers adaptive feedback that enhances user satisfaction by providing information on available puffs and optimal aerosol generation, mimicking the experience of smoking combustion-type cigarettes.
Implementation Method 1
a heater configured to heat an aerosol generating material
Implementation Method 2
a temperature sensor measuring a temperature of the heater, and the controller may detect a user's puff by measuring a variation in the temperature of the heater
Implementation Method 3
a flux sensor, and the controller may detect a user's puff by measuring a variation in flux in the device
Data Source
AI summary
Provided is a device including: a battery configured to supply power; a heater configured to heat an aerosol generating material by receiving power from the battery; a sensor; at least one output unit; and a controller, wherein the controller detects a user's puff by using the sensor and controls at least one output unit based on puff characteristic data based on a result of the detection.