Anti-Dry Heating Control for Electronic Atomization Apparatus
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Solution Overview
Problem
Low-cost electronic atomization apparatuses lack effective temperature detection, leading to potential dry heating issues due to high temperatures caused by poor liquid guiding or medium exhaustion, which can damage components and affect user experience.
Innovation Solution
An anti-dry heating method that involves obtaining a first temperature change parameter and a corresponding overtemperature threshold for the atomization element within a suction time period, and performing a corresponding operation, such as reducing or stopping power output and alerting the user, if the temperature change parameter exceeds the threshold.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If no temperature sensor is arranged to reduce cost, then device complexity is reduced, but temperature detection capability deteriorates
Solution Approach 1:
The atomization element itself serves as the temperature detection component. By monitoring the electrical parameters (voltage, current, resistance) of the atomization element, the system infers temperature information without requiring separate temperature sensors, thus achieving self-service temperature detection
Solution Approach 2:
The patent uses electrical parameters (resistance, voltage, current) as intermediary variables to indirectly measure temperature. The control module monitors these electrical parameters and uses them as proxies for temperature detection, avoiding direct temperature measurement hardware
2Productivity
If atomization element operates at high temperature to improve atomization efficiency, then productivity is improved, but component reliability deteriorates due to dry heating
Solution Approach 1:
The control module continuously monitors the electrical parameters of the atomization element and compares them against reference values. When deviations indicating dry heating are detected, the system provides feedback by adjusting or stopping power output, creating a closed-loop control system that prevents reliability degradation
Solution Approach 2:
The system establishes reference values for electrical parameters during normal operation before dry heating occurs. These reference values are stored and used as baseline for comparison, enabling the system to detect and prevent dry heating conditions before they cause damage
3Duration of action of moving object
If atomization element is heated continuously to maintain atomization function, then duration of action is improved, but harmful factors increase due to pyrolysis of impurities
Solution Approach 1:
The control module monitors electrical parameters continuously and compares them against reference values. When changes indicate impurity pyrolysis or dry heating conditions, the system provides feedback by reducing or stopping power output, preventing the generation of harmful pyrolysis products while maintaining atomization function
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 method effectively prevents dry heating in the atomization element by reducing power output and alerting the user, thereby protecting components from damage and improving user experience.
Implementation Method 1
The atomizer is configured to heat an atomizable medium to produce an aerosol
Implementation Method 2
heat an atomizable medium to produce an aerosol
Data Source
AI summary
An anti-dry heating method for an electronic atomization apparatus includes: obtaining a first temperature change parameter corresponding to an atomization element within a suction time period, and obtaining a first overtemperature threshold corresponding to the atomization element, the first temperature change parameter being related to a temperature change trend of the atomization element within the suction time period; and performing a corresponding operation in response to the first temperature change parameter being greater than the first overtemperature threshold within the suction time period.