Aerosol Temperature Monitoring Using Distributed Sensor Fusion
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Solution Overview
Problem
Aerosol provision systems lack efficient temperature monitoring and control mechanisms, which can affect the performance and user experience of devices that generate aerosols for inhalation, such as electronic cigarettes and heat-not-burn products.
Innovation Solution
Incorporating a power source with a first temperature sensor, processing circuitry with a second temperature sensor, and a use sensor with a third temperature sensor to measure and determine the device's temperature, allowing for control of device functions based on these measurements and threshold temperatures.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If temperature monitoring is not implemented in aerosol provision systems, then the device structure remains simple, but the performance and user experience deteriorate due to lack of temperature control
Solution Approach 1:
The patent divides the temperature monitoring function into multiple independent temperature sensors positioned at different locations (power source, processing circuitry, aerosol generator). Each sensor independently monitors temperature at its specific location, allowing the system to maintain simple individual sensor designs while achieving comprehensive temperature control through segmentation of the monitoring function.
2Measurement precision
If multiple temperature sensors are added to monitor different components, then temperature control precision improves, but device complexity increases
Solution Approach 1:
The processing circuitry serves multiple functions: it processes data from all temperature sensors, determines overall device temperature based on sensor readings, controls power distribution to heating elements, and manages aerosol generation. This multi-functional design allows the system to achieve precise temperature control without adding dedicated control circuits for each sensor, thereby improving measurement precision while limiting complexity increase.
3Adaptability or versatility
If temperature monitoring is implemented across multiple components, then device function control improves, but manufacturing complexity increases
Solution Approach 1:
The patent combines the temperature sensors and processing circuitry into an integrated monitoring system. The processing circuitry receives signals from multiple temperature sensors and centrally determines device temperature, allowing for unified temperature control logic. This merging approach enables versatile device function control while simplifying manufacturing by reducing the number of separate control units that would need to be assembled.
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
This solution enables precise temperature control and monitoring within the aerosol provision device, enhancing the performance and user experience by ensuring optimal aerosol generation and delivery.
Implementation Method 1
a power source including a first temperature sensor with which a temperature at the power source is measurable
Implementation Method 2
the processing circuitry including a second temperature sensor with which the temperature at the processing circuitry is measurable
Implementation Method 3
the use sensor including a third temperature sensor with which temperature at the use sensor is measurable
Implementation Method 4
an aerosol generator powered by the power source to generate an aerosol from an aerosol-generating material
Data Source
AI summary
An aerosol provision device is provided having a power source including a first temperature sensor, processing circuitry including a second temperature sensor, and a use sensor including a third temperature sensor. A temperature of the aerosol provision device may be determined based on at least two of: the temperature measured by the first temperature sensor, the temperature measured by the second temperature sensor, and the temperature measures by the third temperature sensor, and at least one device function may be controlled based on the determined temperature of the aerosol provision device, and at least one threshold temperature.