Egg Incubator Humidity Control Using Dual Airflow Paths
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Solution Overview
Problem
Existing egg incubators struggle with uneven, unstable, and poorly controlled humidity levels due to structural design issues, leading to problems such as over-humidification or over-drying, which affects the hatching process and increases energy consumption.
Innovation Solution
An egg incubator with a precision adjustment function of humidity, featuring a humidity sensor, fan, exhaust valve, and main control circuit board that adjusts airflow paths to maintain optimal humidity levels by either circulating humidification liquid or discharging air externally, using a single fan for both humidification and dehumidification.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a single fan is used for both humidification and dehumidification, then device complexity is reduced and component count decreases, but humidity control precision may worsen
Solution Approach 1:
The single fan is designed to perform multiple functions: during humidification mode, it draws air through the humidification tank and circulates it back into the incubation compartment; during dehumidification mode, it exhausts humid air externally. This multi-functionality reduces component count while maintaining control precision through mode-specific airflow path configuration
Solution Approach 2:
The fan's operational characteristics are dynamically adjusted based on the required function. The control system switches between humidification and dehumidification modes, and the fan operates at different speeds and airflow rates appropriate to each mode, enabling precise humidity control despite using a single component
2Measurement precision
If humidity sensor is added for monitoring, then humidity control precision improves, but device complexity increases
Solution Approach 1:
The humidity sensor provides continuous feedback to the control system, enabling closed-loop humidity control. The control system adjusts fan speed and operational mode based on real-time humidity readings, maintaining precise humidity levels while the sensor itself is integrated into the existing control architecture to minimize added complexity
3Use of energy by moving object
If internal circulation air path is used for humidification, then energy consumption is reduced, but humidity distribution uniformity may worsen
Solution Approach 1:
The system employs periodic fan operation with variable speeds. During humidification, the fan operates in cycles, drawing air through the humidification tank and redistributing it throughout the incubation compartment. This periodic circulation prevents stagnant humid zones while maintaining energy efficiency compared to continuous high-speed operation
Solution Approach 2:
The humidification tank is positioned and designed to create localized humid air generation zones that naturally distribute moisture throughout the compartment. The fan airflow patterns are optimized to create specific flow paths that ensure uniform humidity distribution in different regions of the incubation compartment
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
Ensures stable humidity control, reduces energy consumption, and improves hatching efficiency by preventing localized over-humidification or over-drying, while simplifying operations and reducing component count.
Implementation Method 1
the airflow providing by the fan is in contact with humidification liquid stored in the humidification tank
Implementation Method 2
the humidity sensor is configured to detect air humidity in the incubation compartment
Implementation Method 3
the exhaust valve is arranged at the housing and is configured to open or close the valve opening
Data Source
AI summary
An egg incubator with a precision adjustment function of humidity includes a hood, a rotation frame, and a host portion. The hood is provided with an incubation compartment. The rotation frame is arranged in the hood, and includes a housing, a fan, an exhaust valve, a humidity sensor, and a main control circuit board. The housing is provided with a work compartment, a circulation air inlet, a circulation air outlet, and a valve opening. The housing is provided with a humidification tank. egg incubator is provided with an internal circulation air path and an external circulation air path. When the air humidity is less than a first preset humidity threshold, the main control circuit board controls the exhaust valve to close the valve opening; when the air humidity is greater than a second preset humidity threshold, the main control circuit board controls the exhaust valve to open the valve opening.