Wireless E-Cigarette Testing for Undisturbed Puff Measurement
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Solution Overview
Problem
Existing methods for testing electronic smoking devices, such as e-cigarettes, face challenges in accurately measuring wicking fluid conversion rates and temperature data collection due to the need for physical interaction, which can disturb measurements and affect data quality.
Innovation Solution
A wireless-controlled testing apparatus with an electronic circuit and thermocouples that activates the e-cigarette device remotely, allowing for precise measurement of wicking fluid conversion rates over time and real-time temperature data collection without physical contact.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If physical interaction is used to activate the e-cigarette device during testing, then the device can be activated and data can be collected, but the physical contact affects the measurement accuracy and data quality
Solution Approach 1:
The patent replaces manual mechanical activation with an automated mechanical activation system. A robotic arm or automated pressing mechanism activates the e-cigarette device by pressing its buttons, eliminating human physical contact during the testing process. This substitution maintains the necessary mechanical activation while removing the source of measurement interference caused by human presence and contact.
2Measurement precision
If the e-cigarette is placed on a scale for gravimetric measurement, then the wicking fluid conversion rate can be measured, but physical interaction during activation disturbs the scale readings
Solution Approach 1:
The patent extracts the activation function from the testing environment by using a remotely operated or automated activation mechanism. The e-cigarette remains undisturbed on the scale throughout the test, with activation performed through remote wireless control or automated systems that do not require physical contact with the device or its supporting scale, thereby eliminating measurement disturbances.
Solution Approach 2:
The patent introduces an intermediary activation mechanism that transfers the activation command without requiring direct physical contact. This could be a robotic arm positioned at a distance, a wireless activation system, or an automated sequence that triggers the e-cigarette through its existing sensors or interfaces, allowing activation while maintaining scale stability and measurement accuracy.
3Reliability
If temperature data is collected in real-time during puffs, then the thermal characteristics can be analyzed, but the testing process becomes complex and requires multiple sensors and data synchronization
Solution Approach 1:
The patent employs a multi-functional integrated testing system that combines gravimetric measurement, temperature sensing, and automated activation control into a single coordinated platform. The system uses a centralized control unit that manages multiple thermocouples, scale readings, and activation sequencing simultaneously, reducing the need for separate independent systems and simplifying the overall test setup while maintaining comprehensive data collection capabilities.
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 solution improves data quality and reduces user intervention, enabling accurate and reliable testing of e-cigarettes by remotely activating the device and collecting temperature data, thus overcoming the limitations of traditional testing methods.
Implementation Method 1
a first thermocouple configured for measuring a reservoir temperature, a second thermocouple configured for measuring a wick temperature, a third thermocouple configured for measuring a coil temperature, a fourth thermocouple configured for measuring an ambient temperature, and a fifth thermocouple configured for measuring an air stream flow temperature
Implementation Method 2
electronic smoking (e-smoking) devices such as electronic cigarettes... are battery-operated devices that people use to inhale a vapor, which typically contains nicotine, flavorings, and other chemicals. When a user inhales a puff of the vapor from the e-cigarette, the vapor inhaled by the user is generated by the vaporization of a wicking fluid present within a fluid reservoir of the e-cigarette
Data Source
AI summary
Apparatus for testing an electronic smoking (e-smoking) device includes an electronic circuit for electronically activating an e-smoking device and causing the e-smoking device to generate a plurality of puffs by converting a wicking fluid therein into a plurality of puffs without a need for a human to physically contact the e-smoking device during puff generation, and a wireless controller for controlling the electronic circuit. The electronic circuit is configured for activating the e-smoking device to generate the plurality of puffs based on wireless signals received at the wireless controller. The apparatus is further configured for measuring a characteristic of the e-smoking device, which may include a rate of conversion of the wicking fluid to vapor as a function of time for the plurality of puffs.