Ultrasonic CBD Mist Inhaler for Leakage-Free, Consistent Dosing
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Solution Overview
Problem
Conventional electronic vaporising inhalers suffer from liquid leakage, inconsistent dosing, and the risk of burning metal and inhaling burnt liquid due to high-temperature heating, which affects user experience and device integrity.
Innovation Solution
An ultrasonic mist inhaler device with a capillary element and ultrasonic transducer generates mist by ultrasonic vibrations, using a driver device to optimize power usage and frequency for efficient atomization, eliminating heating elements and incorporating bamboo fibers for absorption and antimicrobial properties.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If high-temperature heating elements are used to vaporize liquid, then vaporization efficiency is improved, but risk of burning metal and inhaling burnt liquid increases
Solution Approach 1:
The patent replaces the thermal heating system with an ultrasonic vibration system. The ultrasonic transducer generates high-frequency mechanical vibrations that directly atomize the liquid through cavitation and mechanical stress, eliminating the need for high-temperature heating elements and thereby preventing burnt liquid inhalation while maintaining efficient vaporization.
Solution Approach 2:
The patent changes the fundamental operating parameter from thermal energy (high temperature) to mechanical energy (ultrasonic vibration frequency). By operating at ultrasonic frequencies (20 kHz or higher), the system achieves liquid atomization through mechanical means rather than thermal means, resolving the contradiction between vaporization efficiency and safety.
2Productivity
If conventional heating elements are used, then liquid vaporization is achieved, but liquid leakage occurs and dosing consistency deteriorates
Solution Approach 1:
The ultrasonic atomization system replaces thermal heating, eliminating the need for high-temperature zones that cause uneven liquid saturation. The mechanical vibration uniformly processes the liquid across the entire atomization surface, ensuring consistent dosing without leakage issues associated with heated membranes.
Solution Approach 2:
The patent employs ultrasonic mechanical vibration to atomize liquid. This vibration creates uniform cavitation and surface disruption across the atomization chamber, ensuring consistent liquid distribution and dosing. The high-frequency vibration prevents liquid pooling and ensures uniform evaporation rates, thereby improving dosing reliability.
3Reliability
If ultrasonic vibrations are used for atomization, then liquid leakage is prevented and dosing consistency is improved, but device complexity increases
Solution Approach 1:
The patent extracts and eliminates complex thermal management components (heating elements, temperature sensors, thermal insulation layers) by replacing them with a simpler ultrasonic vibration system. The ultrasonic transducer and atomization chamber constitute a more compact and less complex structure compared to traditional heating-based vaporization systems.
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 device prevents liquid leakage, ensures consistent dosing, and avoids burnt elements, providing a cleaner inhalation experience with reduced second-hand smoke effects.
Implementation Method 1
an ultrasonic transducer configured to vibrate the atomisation surface to atomise a liquid carried by the capillary element to generate a mist
Implementation Method 2
a capillary element extending between the liquid chamber and the sonication chamber such that a first portion of the capillary element is within the liquid chamber and a second portion of the capillary element is within the sonication chamber
Data Source
AI summary
A mist inhaler device (200) for generating a mist for inhalation by a user. The device includes a mist generator device (201) and a driver device (202). The driver device (202) is configured to drive the mist generator device (201) at an optimum frequency to maximise the efficiency of mist generation by the mist generator device (201).