Heater Temperature Sensor Mounting for Stable Vaping Control
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Solution Overview
Problem
Existing low-temperature heat-not-burn cigarette devices face inaccuracies in temperature data collection due to unstable positioning of temperature measuring elements, which affects the effective control of heater temperature.
Innovation Solution
A heating assembly with a fixing base that includes a support portion to securely hold the temperature measuring element close to or in contact with a preset position on the heater, ensuring stability and consistency of temperature data collection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a conventional heating assembly is used, then the device structure is simple, but the heating efficiency is poor and the heating element is prone to burning out
Solution Approach 1:
The heating assembly is segmented into multiple independent heating wires arranged in parallel within the ceramic heater. Each heating wire is electrically isolated and can be controlled independently, allowing for distributed heating that improves efficiency while reducing the load on individual elements, thereby preventing burnout.
Solution Approach 2:
A ceramic heater body serves as an intermediary thermal management component between the power source and the vaporization chamber. The ceramic material conducts heat evenly across its structure, distributing thermal energy uniformly and preventing localized overheating that would cause burning out, while maintaining structural simplicity.
2Speed
If the heating wire is in direct contact with the toothpick, then the heating response is fast, but the toothpick is prone to burning out
Solution Approach 1:
The ceramic heater body acts as an intermediary between the heating wires and the toothpick. It provides thermal coupling for rapid heating response while simultaneously distributing the heat evenly, preventing localized hot spots that would cause the toothpick to burn out. The ceramic material's thermal properties enable fast heat transfer without excessive temperature concentration.
Solution Approach 2:
The heating wires are positioned to contact different local areas of the ceramic heater body, creating localized heating zones. This distributes the thermal load across multiple regions of the toothpick rather than concentrating it at a single point, preventing burning out while maintaining fast heating response through direct thermal contact.
3Stability of the object's composition
If the heating wire is wrapped around the toothpick, then the heating uniformity is improved, but the assembly complexity increases
Solution Approach 1:
Instead of using a single wrapped heating wire, the system uses multiple segmented heating wires arranged in parallel on the ceramic heater body. Each wire contacts a different region, providing uniform heating across the toothpick surface without requiring complex wrapping arrangements. This segmented approach achieves heating uniformity while maintaining structural simplicity.
Solution Approach 2:
The ceramic heater body serves as a planar intermediary platform that holds multiple heating wires in fixed positions. This eliminates the need for complex wire wrapping while ensuring uniform heat distribution to the toothpick. The ceramic structure provides mechanical support and thermal conduction, simplifying the overall assembly while achieving uniform heating.
4Productivity
If the power consumption is increased to improve vaporization effect, then the heating efficiency is improved, but the power consumption increases
Solution Approach 1:
The heating system is divided into multiple independent heating wires that can be controlled individually. This allows for optimized power distribution where each wire operates at efficient power levels, achieving cumulative vaporization effectiveness without requiring excessive power from a single high-consumption element. The segmented structure reduces overall energy waste.
Solution Approach 2:
The ceramic heater body acts as an efficient thermal intermediary that minimizes energy loss during heat transfer from the heating wires to the toothpick and vaporization chamber. Its high thermal conductivity ensures that most of the electrical energy converted to heat is effectively transferred to the vaporization process, improving vaporization efficiency without proportionally increasing power consumption.
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 enhances the reliability and consistency of temperature data collection, facilitating effective control of the cigarette device by maintaining the position of the temperature measuring element.
Implementation Method 1
a heating wire (122) arranged to contact the ceramic heater body (103)
Implementation Method 2
vaping set comprises a tank (101) containing a liquid and a heater (100) comprising a ceramic heater body (103)
Data Source
Figure 1
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AI summary
This application relates to the field of cigarette devices, and provides a heating assembly and a cigarette device including the same. The heating assembly includes: a heater, configured to heat an aerosol-forming substrate to generate an aerosol; a temperature measuring element, configured to sense a temperature of the heater; and a fixing base, configured to fix an end of the heater, where the fixing base includes a support portion, and the support portion is configured to hold the temperature measuring element, to enable the temperature measuring element to be close to or in contact with a preset position on a surface of the heater. In this application, the temperature measuring element is held through the support portion of the fixing base, which ensures the stability of the position of the temperature measuring element, improves the reliability and consistency of temperature data collection, and facilitates effective control of the cigarette device.