Atomizer Air Sensing Passage Design for Switch Protection
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Solution Overview
Problem
The electronic atomizing device's pneumatic switch is prone to damage and reduced sensitivity due to contact with the liquid atomizable medium, leading to shortened service life and compromised performance.
Innovation Solution
The atomizer design includes independent air sensing and air inlet passages, preventing airflow interference and contamination, with the pneumatic switch in fluid communication only with the air sensing passage, ensuring the switch remains isolated from the liquid.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the pneumatic switch is in communication with the airflow passage to sense user inhalation, then the device can be activated for atomization, but the pneumatic switch comes into contact with the liquid atomizable medium resulting in damage to sensitivity and service life
Solution Approach 1:
The airflow passage is divided into two independent channels: a first airflow passage for atomization and a second airflow passage for sensing. This segmentation prevents the sensing mechanism from being exposed to liquid contamination while maintaining separate functional pathways for each purpose.
Solution Approach 2:
The sensing function is extracted from the main airflow passage and placed in a separate second airflow passage. This allows the pneumatic switch to sense inhalation without being in direct communication with the liquid atomizable medium, thereby protecting it from contamination.
2Measurement precision
If the air sensing passage and air inlet passage are shared or interconnected, then the device structure is simpler, but airflow interference occurs affecting sensing accuracy
Solution Approach 1:
The airflow system is segmented into distinct first and second airflow passages that are independent of each other. This eliminates airflow interference between atomization and sensing functions while maintaining relatively simple individual passage structures.
Solution Approach 2:
The sensing airflow path is extracted as a separate second airflow passage from the main atomization pathway. This ensures that airflow dynamics in the atomization passage do not interfere with the pneumatic switch's sensing accuracy.
Data Source
AI summary
The present disclosure provides an electronic atomizing device and an atomizer thereof. The atomizer includes a housing. An atomization cavity is defined in the housing. An air inlet passage and an air sensing passage which are in communication with the outside are defined in the housing. The air inlet passage is in communication with the atomization cavity. At least part of the air sensing passage and at least part of the air inlet passage are arranged side-by-side and independently of each other, so that the atomizer can prevent mutual interference of airflows in the air sensing passage and the air inlet passage, prevent contamination to the pneumatic switch caused by contact between the airflow in the air sensing passage and the liquid atomizable medium, thereby avoiding reduced sensitivity and shortened life of the pneumatic switch.