Aerosol generating device and heating assembly therefor
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Solution Overview
Problem
Existing aerosol generating devices face issues with inaccurate temperature control, leading to over-burning of substrates due to improper heating element temperature management, which adversely affects the vaping experience.
Innovation Solution
The device incorporates a heating component with an infrared light transmitting pipe body and a heating member, featuring a temperature sensing probe disposed between the heating member and the pipe body opening, allowing for precise temperature sensing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Power
If heating elements generate high temperature (exceeding 500°C or even reaching 1000°C), then heating efficiency is improved, but substrate over-burning occurs and temperature control accuracy deteriorates
Solution Approach 1:
The patent introduces an infrared-transparent pipe body as an intermediary between the high-temperature heating element and the substrate. This pipe body transmits infrared radiation while providing thermal isolation, allowing the temperature sensing probe to measure the temperature of the infrared-transparent material rather than directly exposing it to the extreme temperatures of the heating element, thus improving measurement accuracy while maintaining heating efficiency
Solution Approach 2:
The patent replaces direct thermal contact measurement with infrared radiation-based measurement. The temperature sensing probe measures the temperature of the infrared-transparent pipe body through its infrared radiation properties, rather than requiring direct contact with the heating element, enabling accurate temperature sensing without exposure to extreme heat
2Loss of energy
If heating elements are placed in direct contact with substrates, then heat transfer efficiency is improved, but temperature control becomes difficult and over-burning occurs
Solution Approach 1:
The infrared-transparent pipe body serves as a mediator between the heating element and the substrate. It allows infrared radiation to pass through efficiently for heating the substrate while maintaining physical separation and enabling independent temperature monitoring of the pipe body, thus improving both heat transfer efficiency and temperature control reliability
Solution Approach 2:
The patent applies different properties to different parts of the system: the pipe body is made infrared-transparent for efficient radiation transmission, while the temperature sensing probe is positioned to measure the pipe body temperature specifically. This localized functional differentiation enables efficient heating while maintaining reliable temperature control
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 configuration enables accurate and stable temperature sensing of the aerosol generating substrate, enhancing atomization efficiency and maintaining a consistent vaping experience.
Implementation Method 1
heating member configured to generate infrared light
Implementation Method 2
temperature sensing probe is disposed between the heating member and the opening
Data Source
Figure 1
Figure 2
Figure 3~4
AI summary
The present disclosure relates to an aerosol generating device and a heating component thereof. The heating component includes an infrared light transmitting pipe body and a heating member configured to generate infrared light. The pipe body includes an opening into which the heating member is inserted, and the heating member is disposed in the pipe body and at least a part of the heating member is spaced apart from the pipe wall of the pipe body. The heating component further includes a temperature sensing member, and the temperature sensing member includes a temperature sensing probe. The temperature sensing probe is disposed between the heating member and the opening. According to the present disclosure, the temperature sensing probe is located between the heating base and the opening, and the heating temperature of the aerosol generating substrate can be obtained more accurately and stably, thereby improving the atomization effect.