Multi-Reservoir Insecticide Nebulizer for Fast Switching and Self-Cleaning
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing ULV nebulizers are limited by the lack of projectability for multiple distinct reservoirs, requiring manual cleaning and downtime for changing insecticides, leading to potential cross-contamination and reduced efficiency.
Innovation Solution
A compact aerosol insecticide nebulizer with three distinct reservoirs for larvicide, adulticide, and cleaning fluid, equipped with an autonomous air pressurization system and a hydraulic circuit with directional control and flow block valves, allowing seamless switching between operations without interrupting service.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a single reservoir is used for insecticide storage, then the device complexity is reduced, but the adaptability for different insecticides is limited and requires manual cleaning causing downtime
Solution Approach 1:
The single reservoir is divided into multiple separate reservoirs (first reservoir for first insecticide, second reservoir for second insecticide, third reservoir for cleaning fluid). This segmentation allows each reservoir to be dedicated to a specific function, enabling quick switching between different insecticides without cross-contamination or manual cleaning, thus improving adaptability while the integrated valve system manages the overall device complexity
Solution Approach 2:
The valve system is designed to universally control multiple reservoirs and routing paths. The valve can direct flow from any reservoir to the nozzle or to the cleaning path, providing multi-functional control that manages the complexity of having multiple reservoirs while maintaining system coherence
2Productivity
If manual cleaning is performed between insecticide changes, then cross-contamination is prevented, but equipment downtime increases and efficiency is reduced
Solution Approach 1:
The third reservoir is pre-filled with cleaning fluid and the cleaning path is pre-configured in the hydraulic system. When insecticide change is needed, the operator simply activates the cleaning mode through the valve system, which automatically routes cleaning fluid through the previously used reservoir and piping. This preliminary preparation of cleaning resources eliminates the need for manual disassembly and cleaning operations during field operations
Solution Approach 2:
The system performs self-cleaning through the hydraulic circuit. By directing cleaning fluid from the third reservoir through the valve system and piping, the equipment automatically cleans its own components without requiring external manual intervention. The pump and valve system work together to circulate cleaning fluid through the reservoirs and lines, enabling the system to service itself
3Loss of time
If multiple reservoirs are integrated into one system, then switching between insecticides is faster, but the hydraulic circuit complexity increases
Solution Approach 1:
Multiple reservoirs and cleaning paths are merged into a single integrated hydraulic circuit controlled by one valve system. The valve consolidates the control of four different flow paths (first insecticide, second insecticide, cleaning fluid circulation, and reservoir isolation) into a single controllable component. This merging reduces the overall system complexity compared to having separate control systems for each reservoir while maintaining fast switching capability
4Reliability
If a cleaning reservoir is added to the system, then cross-contamination between insecticides is prevented, but the device complexity and initial setup complexity increase
Solution Approach 1:
The cleaning function is segmented into a separate third reservoir dedicated solely to cleaning fluid storage. This segmentation isolates the cleaning function from the insecticide storage function, ensuring that cleaning fluid does not mix with insecticides during normal operation. The physical separation simplifies the manufacturing process compared to designing a complex multi-chamber single reservoir system
Solution Approach 2:
The cleaning fluid in the third reservoir acts as an intermediary substance that facilitates the transition between different insecticides. By introducing cleaning fluid as a mediator through the valve system, the patent enables reliable cross-contamination prevention without requiring complex mechanical cleaning mechanisms or disassembly procedures, thereby maintaining ease of manufacture
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
Enables versatile and efficient operation by eliminating the need for manual cleaning and downtime, preventing cross-contamination, and ensuring precise insecticide application through integrated mixing and control systems.
Implementation Method 1
an autonomous air pressurization set, driven by a low-power internal combustion engine with an integrated fuel tank. Said engine drives a direct-displacement air pressurizer, responsible for atomizing the insecticide particles
Implementation Method 2
a direct-displacement air pressurizer, responsible for atomizing the insecticide particles for misting through the nozzle
Implementation Method 3
The hydraulic circuit comprises a pump for the reservoirs and a system of directional control and flow block valves
Data Source
AI summary
The invention belongs to the sector of combating endemic diseases. It is an insecticide aerosol nebulizer on platform for pickup trucks. It has means of selecting and/or nebulizing adulticides, larvicides or cleaning. The nebulizer comprises an autonomous set of air flow (1) comprised of a combustion engine (11) of low power with a fuel tank (12) that activates a blower (13) (lobe pump) for atomization of the insecticide in the atomization nozzle (2); multiple set of reservoirs (3) comprised of larvicide reservoir (31); adulticide (32) and cleaning fluid (33) mounted in housing (34); hydraulic circuit (5) comprising larvicide/cleaning directional valve (V1); adulticide/cleaning (V2); electric pump (51) diaphragm; larvicide shut-off/release valve (V3); adulticide (V4); return (V5); flow control (V6); output directional (V7); junction (52) and duct (53). Stirring (6) comprises directional stirring valve (61); tube (62); lid (63) and relief (64).