Induction Heating Component for Uniform Aerosol Substrate Heating

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Solution Overview

Problem

Existing Heat Not Burn (HNB) electronic atomization devices have low energy conversion efficiency, low heat conduction efficiency, and poor heating uniformity, affecting the quality of the aerosol produced.

Innovation Solution

A heating component with a housing containing a heating medium that generates heat in an alternating magnetic field and a temperature control element for temperature measurement, which conducts heat to an aerosol generation substrate, enhancing heat conversion and heating speed with a simple and reasonable structural design.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Loss of energy

If resistive heating method is used to heat the aerosol generation substrate, then the heating component structure is simple, but the energy conversion efficiency is low

Engineering Contradiction:

Improveenergy conversion efficiencyVSAvoidheating component structure

Core Design Contradiction:

Loss of energyVSDevice complexity

Solution Approach 1:

The patent replaces the traditional resistive heating method with electromagnetic induction heating. The induction coil generates an alternating magnetic field that induces eddy currents in the heating medium, converting electromagnetic energy directly into thermal energy with high efficiency, eliminating the need for direct electrical contact and resistive heating elements.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The patent introduces a heating medium (ferromagnetic material) as an intermediary between the induction coil and the aerosol generation substrate. The heating medium absorbs electromagnetic energy and converts it to heat, then transfers this heat to the substrate through thermal conduction, achieving efficient and uniform heating.

Inventive Principle:

Principle #24Intermediary (Mediator)

2Loss of energy

If resistive heating method is used, then the heating component is simple, but the heat conduction efficiency is low

Engineering Contradiction:

Improveheat conduction efficiencyVSAvoidheating component structure

Core Design Contradiction:

Loss of energyVSDevice complexity

Solution Approach 1:

The heating medium serves as a thermal intermediary that efficiently conducts heat from the induction coil to the aerosol generation substrate. This intermediary layer ensures uniform heat distribution and improves thermal contact between the heating element and substrate.

Inventive Principle:

Principle #24Intermediary (Mediator)

Solution Approach 2:

The patent changes the thermal parameters of the heating system by using a ferromagnetic heating medium with high thermal conductivity and specific heat capacity, optimizing the heat transfer characteristics to achieve rapid and uniform heating of the substrate.

Inventive Principle:

Principle #35Parameter changes

3Manufacturing precision

If resistive heating method is used, then the heating component structure is simple, but the heating uniformity is poor

Engineering Contradiction:

Improveheating uniformityVSAvoidheating component structure

Core Design Contradiction:

Manufacturing precisionVSDevice complexity

Solution Approach 1:

The heating medium acts as a thermal buffer and distributor, receiving electromagnetic energy and redistributing it uniformly across the substrate surface through thermal conduction. This intermediary layer eliminates hot spots and ensures even heating across the entire aerosol generation substrate.

Inventive Principle:

Principle #24Intermediary (Mediator)

Solution Approach 2:

The patent transitions from direct point-contact resistive heating to a distributed electromagnetic field heating approach. The induction coil generates a magnetic field that penetrates the heating medium uniformly, creating a two-dimensional heating pattern that ensures consistent temperature distribution across the substrate surface.

Inventive Principle:

Principle #17Another dimension (Dimensionality change)

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 solution achieves a high heat conversion rate and rapid heating speed, improving the efficiency and uniformity of aerosol production while maintaining a straightforward structural design.

Implementation Method 1

a heating medium accommodated in the cavity and capable of generating heat in an alternating magnetic field

Methodology Applied

Scientific EffectElectromagnetic induction: Electromagnetic Induction

Implementation Method 2

a temperature control element accommodated in the cavity and configured to measure a temperature inside the cavity

Methodology Applied

Scientific EffectThermal conduction: Conduction (thermal)

Implementation Method 3

the heat is further conducted to the housing, and the housing conducts the heat to atomize the aerosol generation substrate

Methodology Applied

Scientific EffectThermal conduction: Conduction (thermal)

Data Source

PatentEP4275528A1Heating component of an electronic atomization device

Publication Date: 2023.11.15 HAINAN MOORE BROTHERS TECH CO LTD

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AI summary

This application relates to an electronic atomization device and a heating component thereof. The heating component is configured to be inserted into an aerosol generation substrate. The heating component includes: a housing provided with a cavity; a heating medium accommodated in the cavity and capable of generating heat in an alternating magnetic field; and a temperature control element accommodated in the cavity and configured to measure a temperature inside the cavity.