Dual Heating Elements for Aerosol Device
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Solution Overview
Problem
Existing aerosol-generating devices for heat-not-burn cigarettes are limited to a single heating mode, which cannot accommodate the diverse smoking needs of different cigarettes or users.
Innovation Solution
The device incorporates a dual heating structure with independent first and second heating elements, allowing for asynchronous and synchronous heating modes to cater to various smoking preferences.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a single heating mode is used, then the device structure is simple, but it cannot satisfy the smoking needs of different cigarettes or different users
Solution Approach 1:
The heating structure is segmented into two independent heating elements (first heating element and second heating element) that can operate independently or simultaneously. Each heating element corresponds to different positions on the heating tube, enabling different heating modes (side heating, bottom heating, or combined heating) to satisfy diverse smoking needs without excessive structural complexity
Solution Approach 2:
The heating structure is designed with multi-functionality by incorporating two heating elements that can perform multiple heating functions: side heating through the first heating element, bottom heating through the second heating element, or combined heating when both operate together. This universal design allows the same device to adapt to different cigarette types and user preferences
2Adaptability or versatility
If asynchronous and synchronous heating are implemented, then smoking needs of different users are satisfied, but control complexity increases
Solution Approach 1:
The heating system incorporates dynamic control capability by allowing the first and second heating elements to operate independently with different timing and power levels. The controller can dynamically adjust which heating element operates and at what intensity, enabling asynchronous heating when only one element is needed, or synchronous heating when both are activated together, providing flexible adaptation to different smoking scenarios
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 dual heating system provides multiple heating modes, enhancing the ability to satisfy the smoking needs of different cigarettes and users by allowing for more precise and adaptable heating.
Implementation Method 1
The heater comprises a first heating element and a second heating element... both resistance heating sheets... used to heat a part of the aerosol-forming substrate away from the heat exchanger
Implementation Method 2
the first heating element and the second heating element are both electromagnetic induction coils, the heating tube is a metal tube, and the electromagnetic induction coil is radially spaced from the metal tube
Data Source
Figure 1
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AI summary
An aerosol generating device and a heating structure thereof. The heating structure comprises a heating tube (1), a heat exchanger (2), and a heating body; the heating body comprises a first heating body (3) and a second heating body (4); the first heating body (3) corresponds to the end of a first accommodating cavity away from a second accommodating cavity; the first heating body (3) is used for heating part of an aerosol forming substrate (6) at the end away from the heat exchanger (2); the second heating body (4) corresponds to the position of the heat exchanger (2); the first heating body (3) and the second heating body (4) are two heating bodies which are independent from each other; and the first heating body (3) and the second heating body (4) are used for asynchronously and/or synchronously heating the heating tube (1). Because the first heating body (3) and the second heating body (4) which are independent from each other are provided, the two heating bodies can separately control heating, so that the first heating body (3) and the second heating body (4) can achieve synchronous or asynchronous heating, thus providing more heating modes and meeting vaping requirements of different cigarettes or different people.