Portable Nebulizer Two-Stage Atomization and Segmented Power
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Solution Overview
Problem
Existing portable nebulizers produce fog particles with relatively large diameters, resulting in poor atomizing effects and are limited by power supply constraints, such as battery weight and location dependence.
Innovation Solution
A portable ultrafine nebulizer design featuring an air turbine, air flow guide device with blades, and a water pump, which achieves two-stage atomization by generating a revolving airflow to shear fog particles, reducing their diameter and enhancing atomization efficiency, while using a battery-powered system for portability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a single-stage atomization using micro-motor driven ultrafine atomizer plate is adopted, then the device structure is simple, but the sprayed fog particles have relatively large diameter and the atomizing effect is poor
Solution Approach 1:
The atomization process is divided into two distinct stages: first stage atomization by the water pump and atomizing nozzle, and second stage atomization by the air turbine shearing the fog particles. This segmentation allows each stage to optimize for its specific function, achieving ultrafine particle sizes while maintaining reasonable device complexity
Solution Approach 2:
The air flow guide device with blades acts as an intermediary between the air turbine and the fog particles. It converts the air turbine's rotational energy into a controlled airflow that effectively shears the fog particles, enabling the second stage atomization process
2Adaptability or versatility
If a battery-powered system is used for portability, then the device can be moved freely, but the battery weight increases and service time decreases
Solution Approach 1:
The battery is extracted from the main housing and placed in a separate, removable power supply box. This allows the battery to be independently optimized for weight and capacity, while the main device remains lightweight and portable. Users can carry only the essential components or replace the battery as needed
Solution Approach 2:
The system is designed with dynamic power management, where the air turbine and water pump can operate at variable speeds to optimize power consumption. The removable battery design also allows for dynamic reconfiguration of the power supply system based on usage requirements
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 achieves better atomizing effects with smaller fog particles and improved portability by utilizing a two-stage atomization process and a compact power supply, allowing for longer use without the need for large batteries.
Implementation Method 1
generating a revolving airflow to shear fog particles, reducing their diameter
Implementation Method 2
an air flow guide device with blades... distributed uniformly around the atomizing nozzle
Implementation Method 3
a water pump for pumping liquid... a fluid channel communicated with the water pump
Data Source
AI summary
A portable ultrafine nebulizer comprises a housing, an atomizing nozzle located at the front port of the housing, an air turbine deposited inside the housing, an air flow guide device fixed at the front port of the housing, and a water pump for pumping liquid; the air flow guide device is provided with a plurality of air flow guide blades distributed uniformly around the periphery of the atomizing nozzle, and each of the air flow guide blades is provided with a guide surface; in the atomizing nozzle is provided with a spiral channel and a fluid channel communicated with the water pump, the atomizing nozzle is provided with a spray port at the front end, and the spray port is communicated with the fluid channel through the spiral channel; the air turbine, the air flow guide blades and the spray port are distributed successively along the airflow direction.