Atomization Assembly Heating Control via Temperature Difference Sensing

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Solution Overview

Problem

Determining the heating state of an aerosol-forming substrate in heat-not-burn smoking devices based on user taste leads to potential health risks and reduced smoke intake due to incomplete atomization.

Innovation Solution

A method and device for controlling the heating mode of an atomization assembly by measuring temperature differences at specific positions using temperature collectors and a controller to determine the consumption state of the aerosol-forming substrate, allowing for timely termination of heating and adjustment of power settings.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Object-affected harmful factors

If the heating state is determined by user taste, then the device structure remains simple, but the user may inhale burnt smell and experience reduced smoke intake

Engineering Contradiction:

Improveburnt smell inhalationVSAvoidtemperature monitoring system

Core Design Contradiction:

Object-affected harmful factorsVSDevice complexity

Solution Approach 1:

The patent replaces the mechanical/sensory method of determining heating state (user taste) with a thermal field-based detection system using temperature collectors and controllers to monitor temperature differences, thereby eliminating burnt smell inhalation without excessive complexity

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The patent introduces temperature collectors and controllers as intermediary devices that indirectly measure the heating state of the aerosol-forming substrate through temperature difference detection, avoiding the need for direct user sensory judgment while preventing harmful inhalation

Inventive Principle:

Principle #24Intermediary (Mediator)

2Quantity of substance

If the heating is terminated based on user taste determination, then the device structure remains simple, but the smoke intake amount is greatly reduced

Engineering Contradiction:

Improvesmoke intake amountVSAvoidheating control

Core Design Contradiction:

Quantity of substanceVSEase of operation

Solution Approach 1:

The patent implements a feedback control system where temperature collectors continuously monitor the temperature difference between different positions, and the controller adjusts or terminates heating based on this feedback, ensuring complete atomization and sufficient smoke intake while automating the heating control process

Inventive Principle:

Principle #23Feedback

3Manufacturing precision

If temperature difference detection is implemented to determine consumption state, then complete atomization is ensured, but the device complexity increases

Engineering Contradiction:

Improveatomization completenessVSAvoidtemperature collection system

Core Design Contradiction:

Manufacturing precisionVSDevice complexity

Solution Approach 1:

The patent applies local quality by placing temperature collectors at specific predetermined positions within the atomization assembly to detect local temperature differences, ensuring accurate measurement of atomization completeness without requiring comprehensive temperature monitoring throughout the entire device

Inventive Principle:

Principle #3Local quality

Solution Approach 2:

The patent implements preliminary action by pre-positioning temperature collectors at optimized locations and establishing predetermined temperature difference thresholds before operation, allowing the system to automatically determine consumption state and terminate heating at the appropriate moment, ensuring complete atomization while maintaining straightforward implementation

Inventive Principle:

Principle #10Preliminary action

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

Ensures complete atomization of the aerosol-forming substrate, preventing burnt smell inhalation and ensuring sufficient smoke intake, thereby improving user experience.

Implementation Method 1

obtaining a first temperature at a first predetermined position of the atomization assembly via a first temperature collector

Methodology Applied

Scientific EffectTemperature measurement:

Implementation Method 2

the heating element is configured to heat and atomize the aerosol-forming substrate when energized

Methodology Applied

Scientific EffectHeating: Heating

Implementation Method 3

heat and atomize the aerosol-forming substrate when energized, thereby generating smoke

Methodology Applied

Scientific EffectAtomization:

Data Source

PatentUS12369647B2Method for controlling heating mode of atomization assembly and related device

Publication Date: 2025.07.29 SHENZHEN SMOORE TECH LTD

AI summary

Disclosed are a method for controlling a heating mode of an atomization assembly and a related device. The method includes: obtaining a first temperature at a first predetermined position of the atomization assembly via a first temperature collector; wherein the first predetermined position is a position of an outlet of the atomization assembly; obtaining a temperature difference between the first temperature and a second temperature via a controller; wherein the second temperature is a temperature at a second predetermined position of the atomization device; comparing the temperature difference with a predetermined temperature difference, and determining a heating state of an aerosol-forming substrate in the atomization assembly; wherein the heating mode comprises completed atomization and uncompleted atomization; and controlling the heating mode according to the heating state by changing the heating mode to a non-heating mode in response to the heating state being the completed atomization.