Ultrasonic Atomizer Liquid Guide Cotton and Outlet Design
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Solution Overview
Problem
Existing electronic cigarette atomizers suffer from dry burning due to insufficient e-liquid supply during continuous smoking and excessive e-liquid leakage when not in use, along with poor electrical connections leading to operational failures.
Innovation Solution
An electronic cigarette atomizer design featuring a liquid cartridge above the ultrasonic atomization piece with a horizontally disposed liquid outlet and liquid guide cotton that contacts the atomization surface, ensuring timely e-liquid supply and preventing continuous e-liquid conduction by adjusting the caliber and position of the liquid outlet and guide cotton, while enhancing electrical connectivity through specific electrode configurations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If the liquid guide channel is long to connect the liquid cartridge to the ultrasonic atomization piece, then the e-liquid can be conducted to the atomization piece, but the e-liquid supply becomes insufficient during continuous smoking causing dry burning
Solution Approach 1:
The liquid outlet is changed from a vertical arrangement to a horizontal arrangement, extending in the radial direction rather than the axial direction. This dimensional change shortens the e-liquid conduction path while maintaining effective connection between the liquid cartridge and ultrasonic atomization piece, preventing dry burning during continuous smoking
Solution Approach 2:
The liquid outlet caliber is made smaller than the liquid guide channel caliber, creating a localized restriction that controls e-liquid flow rate. This local quality adjustment ensures appropriate e-liquid supply quantity to match the atomization demand, preventing both dry burning and excessive e-liquid accumulation
2Reliability
If the liquid guide cotton is always in conduction state to supply e-liquid, then the atomization piece can be continuously fed, but excessive e-liquid accumulates in the atomization cavity causing liquid leakage when not smoking
Solution Approach 1:
The liquid guide cotton's conduction state is made periodic rather than continuous - it conducts e-liquid during smoking when needed, and blocks e-liquid during non-smoking periods. This periodic action prevents both supply failure and excessive accumulation, eliminating liquid leakage while maintaining reliable supply during use
Solution Approach 2:
The flow resistance parameter of the liquid guide cotton is dynamically adjusted based on operating conditions. During smoking, the cotton allows e-liquid passage; during non-smoking periods, the cotton's capillary structure naturally blocks flow. This parameter change prevents harmful e-liquid leakage while ensuring reliable supply when needed
3Productivity
If the ultrasonic atomization piece oscillates at high frequency to generate heat for atomization, then the atomization efficiency is improved, but the welding spot falls off and spring electrode fails causing poor electrical contact
Solution Approach 1:
The electrical connection structure is designed to be dynamic and flexible rather than rigid. The spring electrode provides elastic contact that can accommodate the high-frequency oscillations of the ultrasonic atomization piece, maintaining reliable electrical connection even during intense vibration and heat generation
Solution Approach 2:
The spring electrode structure incorporates elastic elements that beforehand cushion the mechanical stress and thermal expansion effects caused by high-frequency oscillation. This prior cushioning prevents welding spot detachment and electrode failure, maintaining electrical connection reliability during high-power atomization operation
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 design effectively prevents dry burning by ensuring timely e-liquid supply and reducing leakage, while maintaining efficient atomization and durable electrical connections, ensuring reliable operation and user safety.
Implementation Method 1
the ultrasonic atomization piece oscillates at a high frequency to generate heat
Implementation Method 2
ultrasonic atomization piece... fully atomized
Implementation Method 3
liquid guide cotton... e-liquid is conducted for a long time
Implementation Method 4
the liquid outlet is blocked by means of the viscosity of the e-liquid and the liquid guide cotton
Data Source
AI summary
Disclosed is an electronic cigarette atomizer including a liquid cartridge (6) and an ultrasonic atomization piece (42) mounted vertically. The liquid cartridge (6) is located above the ultrasonic atomization piece (42), a liquid guide channel (311) communicated with the liquid cartridge (6) is disposed below the liquid cartridge (6), a liquid outlet (331) is horizontally disposed in the liquid guide channel (311), and the caliber of the liquid outlet (331) is smaller than that of the liquid guide channel (311); and liquid guide cotton (43) is horizontally mounted across the ultrasonic atomization piece (42). The liquid guide cotton (43) is in contact with or attached to an atomization surface of the ultrasonic atomization piece (42), and the liquid outlet (331) abuts against the liquid guide cotton (43). With the electronic cigarette atomizer, when smoking, e-liquid is supplied in time, and e-liquid supply and ultrasonic atomization are balanced, such that the burning phenomenon can be prevented. When not smoking, the liquid outlets are blocked by means of the viscosity of the e-liquid itself and the liquid guide cotton (43), such that the e-liquid is prevented from being continuously conducted by the liquid guide cotton (43), and the situation where an atomization cavity is soaked in the e-liquid and liquid leakage is consequently caused is avoided.