Cover-Integrated Ejection Mechanism for Aerosol Substrate Replacement
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Solution Overview
Problem
Aerosol generation devices with heating chambers face challenges in design due to the need for buttons that create gaps, complicating the operation and reducing the device's ingress, making it difficult for users to conveniently eject and replace the aerosol substrate.
Innovation Solution
An ejection mechanism is integrated into the aerosol generation device, allowing the substrate to be automatically ejected by opening the cover, with a snap member and spring configuration to hold and protrude the substrate for easy replacement, maintaining a simple inner structure and intuitive operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If buttons are arranged on the device to eject the substrate, then the substrate ejection function is achieved, but gaps are created on the housing which reduces the device's ingress and complicates the operation
Solution Approach 1:
The ejection mechanism is merged with the cover assembly, where the cover itself becomes part of the ejection system. The cover's movement (opening/closing) directly drives the substrate ejection through the blocking surface, eliminating the need for separate buttons and integrating the ejection function into the existing cover structure.
Solution Approach 2:
The cover serves multiple functions: it seals the heating chamber during operation, and simultaneously acts as the actuating mechanism for substrate ejection when opened. The blocking surface on the cover provides both sealing and ejection functionality, making the cover a multi-functional component that reduces overall device complexity.
2Ease of operation
If buttons are arranged on the device to eject the substrate, then the substrate ejection function is achieved, but the device's ingress is reduced due to gaps in the housing
Solution Approach 1:
The ejection function is merged with the cover's sealing function. The blocking surface is integrated into the cover structure, so the same component that provides ingress protection by sealing the chamber also performs substrate ejection when the cover is opened, eliminating gaps that would compromise ingress protection.
Solution Approach 2:
The cover's own movement (from closed to open position) provides the force and mechanism for substrate ejection through the blocking surface. The system uses the cover's natural operation to achieve ejection without requiring additional buttons or compromising the housing integrity for ingress protection.
3Productivity
If the substrate is fully inserted in the heating chamber, then the heating efficiency is improved, but the user needs to push buttons to eject the substrate which complicates the operation
Solution Approach 1:
The blocking surface is pre-positioned on the cover to automatically engage with the substrate when the cover is opened. This preliminary arrangement ensures that simply opening the cover (without pressing buttons) will automatically eject the substrate, making the replacement operation intuitive while maintaining full insertion for heating efficiency.
4Ease of operation
If an ejection mechanism is added to enable automatic substrate ejection, then the ease of operation is improved, but the device complexity increases
Solution Approach 1:
The ejection mechanism is merged with the cover assembly rather than being a separate system. The blocking surface on the cover and the support member work together as an integrated mechanism, where the cover's movement directly actuates the ejection through mechanical interaction, minimizing additional components and keeping the inner structure simple.
Solution Approach 2:
The ejection mechanism uses the cover's own movement to drive the ejection action. The blocking surface on the cover directly interacts with the substrate or support member, using the cover's opening motion as the driving force, thereby eliminating the need for separate motors, sensors, or control systems that would increase complexity.
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 ejection mechanism enhances user convenience by allowing automatic substrate ejection and replacement, improving the device's usability and extending its lifespan through a robust and intuitive design.
Implementation Method 1
a spring configured to exert an ejection force on the substrate
Data Source
AI summary
An aerosol generation device with an ejection mechanism includes: an aerosol generation chamber configured to receive and heat a substrate to generate aerosol, a cover having a closed position covering the aerosol generation chamber, and an open position exposing the aerosol generation chamber, and an ejection mechanism configured to be at least indirectly connected with the aerosol generation chamber and the cover, and having an ejected state, a holding locked state, and a holding-unlocked state.