Moisture-Collecting CO2 Assembly for Continuous Mosquito Baiting
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Solution Overview
Problem
Existing mosquito eradication devices relying on carbon dioxide as bait face challenges due to the high cost and difficulty in obtaining dry ice, and continuous manual addition of water is necessary for sustained carbon dioxide release, making them inconvenient.
Innovation Solution
A gas-generating assembly that collects water vapor using a hydrophilic layer in a funnel-shaped water-collecting structure, which condenses into droplets to react with reactants, generating carbon dioxide, and a wind structure enhances water vapor absorption, adjusting carbon dioxide production speed.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If dry ice is used as carbon dioxide source, then carbon dioxide can be effectively produced for mosquito attraction, but cost increases and availability becomes difficult in remote areas
Solution Approach 1:
The patent replaces expensive dry ice with inexpensive, easily obtainable materials such as limestone and hydrochloric acid that can be locally sourced. The reaction system uses disposable consumables like water-absorbing resin silica gel that can be regenerated or replaced at low cost, making the system economically viable for remote areas without compromising carbon dioxide generation effectiveness.
Solution Approach 2:
The patent changes the physical and chemical parameters of the carbon dioxide generation system by transitioning from physical sublimation (dry ice) to chemical reaction (limestone + hydrochloric acid). This parameter change enables the use of locally available materials while maintaining the desired carbon dioxide output, resolving the contradiction between reliability and ease of manufacture.
2Ease of manufacture
If water, hydrochloric acid and limestone are used to produce carbon dioxide, then cost and availability improve, but continuous manual water addition is required which reduces convenience
Solution Approach 1:
The patent implements self-service through the water-collecting structure with hydrophilic layer that automatically absorbs atmospheric moisture and the wind structure that generates vortex flow to enhance water vapor absorption. This self-sustaining water supply system eliminates the need for manual water addition, allowing the device to operate continuously without human intervention while maintaining low cost and high availability.
Solution Approach 2:
The patent ensures continuous carbon dioxide production by implementing continuous water vapor collection through the hydrophilic layer and wind-induced vortex flow. The water-absorbing materials continuously draw moisture from the air, maintaining the chemical reaction between limestone and hydrochloric acid without interruption, thus achieving continuous useful action without manual intervention.
3Duration of action of stationary object
If water-absorbing materials are used to collect water vapor, then continuous water supply is achieved, but device complexity increases due to additional structures
Solution Approach 1:
The patent achieves multi-functionality by integrating the water-collecting structure with the carbon dioxide generation system. The hydrophilic layer serves both as a structural component and a water collection medium, while the wind structure simultaneously provides airflow and enhances water vapor absorption. This universal design extends operation duration without proportionally increasing complexity.
Solution Approach 2:
The patent merges the water collection function with the existing device structure by incorporating the hydrophilic layer into the water-collecting structure that is already part of the carbon dioxide generation system. The wind structure is integrated to serve both airflow management and water vapor enhancement purposes, combining multiple functions into unified structures to minimize complexity increase.
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
Sustainably produces carbon dioxide without manual water addition, improving convenience and effectiveness of mosquito eradication by continuously attracting mosquitoes.
Implementation Method 1
a surface of the water-collecting being provided with a hydrophilic layer to absorb water vapors in the air
Implementation Method 2
so that the water vapor condenses into water droplets, which drip into the reaction structure below
Implementation Method 3
The wind structure is provided under the water-collecting structure and configured to generate a wind vortex to facilitate airs around the water-collecting structure contacting the hydrophilic layer
Implementation Method 4
use water, hydrochloric acid and limestone to react with reactants to produce a large amount of carbon dioxide
Data Source
AI summary
Disclosed are a gas-generating assembly and a mosquito eradication device. The gas-generating assembly includes a water-collecting structure, a reaction structure provided under the water-collecting structure, and a wind structure. A bottom of the water-collecting structure is formed with an opening, and a surface of the water-collecting is provided with a hydrophilic layer to absorb water vapors in the air. The reaction structure is formed with an accommodation room to place a reactant, and the opening is correspondingly provided above the accommodation room. The wind structure is provided under the water-collecting structure and configured to generate a wind vortex to facilitate airs around the water-collecting structure contacting the hydrophilic layer.