Micro Fogging Device Venturi Nozzle Segmentation
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Solution Overview
Problem
Conventional fog generators face limitations in producing micro-state fog due to high pressure requirements and complex structures, leading to inefficiencies in water and compressed air usage, and are prone to clogging and high costs.
Innovation Solution
A micro fogging device utilizing a low-pressure fogger combined with a venturi nozzle that re-pulverizes water particles using the venturi principle, minimizing water and compressed air consumption, and incorporating silver nano materials for antimicrobial properties.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If conventional high pressure foggers are used to produce fine water particles, then fog effectiveness is improved, but water and compressed air consumption increases and device complexity increases
Solution Approach 1:
The invention divides the fog generation process into two stages: first, a low pressure fogger produces initial fog particles; second, a venturi nozzle further pulverizes these particles into micro-state fog. This segmentation allows achieving fine particle size without requiring high pressure throughout the entire process, thereby reducing water and compressed air consumption while maintaining fog effectiveness
Solution Approach 2:
The venturi nozzle is integrated within or coupled to the low pressure fogger assembly, creating a nested structure where the venturi nozzle receives the output of the fogger and processes it further. This nested configuration enables the two-stage pulverization process in a compact arrangement, achieving micro fog without the complexity of separate high pressure systems
2Ease of manufacture
If conventional plastic fogging devices are used with screw-coupled nipples, then assembly is simplified, but nozzle rigidity is insufficient and functionality deteriorates due to screw abrasion
Solution Approach 1:
The invention replaces the screw-thread mechanical coupling system with a friction-based press fit system. The nipple has a press fit portion that inserts into a corresponding hole in the nozzle fixture, creating a rigid connection without threads. This substitution eliminates screw abrasion and maintains connection reliability while keeping assembly simple
Solution Approach 2:
The press fit portion of the nipple and the corresponding hole are designed with curved or rounded geometries that facilitate smooth insertion and create uniform contact pressure. This curved interface distributes stress evenly, preventing the localized wear that occurs with threaded connections and maintaining nozzle rigidity over time
3Strength
If locking projections are used in conventional nozzle fixtures, then assembly is secured, but point contact causes functional deterioration when scars occur
Solution Approach 1:
The press fit portion serves multiple functions simultaneously: it provides rigid mechanical support, ensures precise alignment between components, and creates extensive surface contact for uniform pressure distribution. This multi-functional design replaces the single-function locking projection, maintaining connection strength while eliminating the point contact problem that leads to functional deterioration
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 efficiently produces micro fog at a lower cost, reducing water usage and maximizing fog effectiveness while preventing germ inhabitation, suitable for protected cultivation and industrial applications.
Implementation Method 1
a venturi nozzle for finely pulverizing water particles discontinuously supplied from the low pressure fogger, the venturi nozzle including a body, a venturi tube having an inflow hole through which compressed air flows in
Data Source
AI summary
The present invention relates to micro fogging device and method which can spray micro fog-like fine water droplet to be used, for example, for protected cultivation, such as green houses, or barns. The micro fogging device can supply fog tinier than the conventional low pressure foggers, and includes: a low pressure fogger unit for forming fog at low pressure; and a venture nozzle which is coupled to a coupling pipe of the low pressure fogger unit to finely segment/divide the water droplets supplied from the low pressure fogger unit, thereby minimizing usage of water and compressed air and maximizing the effectiveness of fog generation.