Electronic Cigarette Temperature Control via Feedback

Resolve Bottlenecks,
Find Innovative SolutionsGenerate Solutions

Solution Overview

Problem

Conventional ceramic atomizing cores in electronic cigarettes face challenges in controlling the heating wire temperature, leading to reduced service lifetime and poor atomization effects due to excessive heat or insufficient heating.

Innovation Solution

Incorporating a temperature sensing element connected to a PCB board within the electronic cigarette, which detects the heating wire's temperature and adjusts the heating power to maintain a suitable threshold, ensuring precise temperature control and safe operation while improving atomization efficiency.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If the heating wire temperature is increased to improve atomization effect, then the atomization efficiency is improved, but the heating wire service lifetime is reduced and user safety is compromised

Engineering Contradiction:

Improveatomization efficiencyVSAvoidheating wire service lifetime

Core Design Contradiction:

ProductivityVSReliability

Solution Approach 1:

The patent implements a temperature feedback control system where a temperature sensing element continuously monitors the heating wire temperature and sends signals to the PCB board. The PCB board adjusts the heating power based on this feedback, maintaining the temperature within a safe and effective range. This resolves the contradiction by enabling high atomization efficiency without excessive temperature that would reduce service lifetime.

Inventive Principle:

Principle #23Feedback

2Duration of action of stationary object

If the heating wire temperature is decreased to extend service lifetime, then the heating wire durability is improved, but the atomization effect deteriorates

Engineering Contradiction:

Improveheating wire service lifetimeVSAvoidatomization effect

Core Design Contradiction:

Duration of action of stationary objectVSProductivity

Solution Approach 1:

The temperature sensing element and PCB board work together to ensure the heating wire maintains sufficient temperature for effective atomization while preventing excessive heat that would reduce service lifetime. The feedback mechanism dynamically adjusts heating power to optimize both durability and atomization performance.

Inventive Principle:

Principle #23Feedback

3Productivity

If the heating wire temperature is increased to improve atomization, then the e-liquid vaporization is enhanced, but the risk of scalding the user increases

Engineering Contradiction:

Improveatomization effectVSAvoiduser scalding risk

Core Design Contradiction:

ProductivityVSObject-affected harmful factors

Solution Approach 1:

The temperature sensing element continuously monitors the heating wire temperature and provides feedback to the PCB board. When the temperature approaches levels that could cause user scalding, the system automatically reduces heating power, maintaining safe operating temperatures while preserving adequate atomization effect.

Inventive Principle:

Principle #23Feedback

4Measurement precision

If a temperature sensing element and control system are added, then the temperature control precision is improved, but the device complexity increases

Engineering Contradiction:

Improvetemperature control precisionVSAvoidatomizer structure complexity

Core Design Contradiction:

Measurement precisionVSDevice complexity

Solution Approach 1:

The temperature sensing element is integrated into the atomizer structure, and the PCB board uses simple control logic to adjust heating power based on temperature feedback. The system largely manages itself through automated feedback control, minimizing the need for complex external control mechanisms while achieving precise temperature control.

Inventive Principle:

Principle #25Self-service

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 effectively reduces the risk of overheating, enhances the stability and performance of the atomization process, and extends the heating wire's service life by maintaining optimal temperature levels.

Implementation Method 1

a heating wire configured for heating the e-liquid... after being energized by the power, the heating wire heats the e-liquid

Methodology Applied

Scientific EffectJoule heating: Joule Heating

Implementation Method 2

a temperature sensing element configured for detecting a temperature of the heating wire, the temperature sensing element can convert the temperature into an electrical signal

Methodology Applied

Scientific EffectTemperature sensing: Thermistor

Implementation Method 3

the atomizer comprises a ceramic atomizing core, a heating wire configured for heating the e-liquid... suitable temperature improves atomization effect of the e-liquid

Methodology Applied

Scientific EffectEvaporation: Evaporation

Data Source

PatentUS20240016209A1Electronic cigarette

Publication Date: 2024.01.18 SHENZHEN KUKI ELECTRONICS CO LTD

AI summary

Disclosed in the present application is an electronic cigarette, including a cigarette stem and a cartridge, in which a battery and a PCB board are provided in the cigarette stem, an atomizer configured for a atomization of e-liquid is provided in the cartridge, the atomizer includes a ceramic atomizing core, a heating wire configured for heating the e-liquid and a temperature sensing element configured for a temperature detection of the heating wire, the heating wire and the temperature sensing element are provided on the ceramic atomizing core, the heating wire is electrically connected to the battery, the temperature sensing element is electrically connected to the PCB board.