Phase-Change Transport Case for Black Soldier Fly Egg Temperature Stability
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Solution Overview
Problem
Existing transportation methods for black soldier fly eggs and larvae are prone to drastic temperature fluctuations, leading to reduced hatching rates due to inadequate temperature control, especially in extreme weather conditions, and require costly thermostatic systems.
Innovation Solution
A transportation case with insulation components, including a phase-transition material and insulation layers, maintains a stable temperature range of 17-22°C, using a sealed bag with phase-transition material and insulation boards made of aluminum foil and pearl cotton, combined with a foam case for enhanced heat insulation and preservation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If cardboard cases with air holes or foam cases with ice bags are used for transportation, then the structure is simple and cost is low, but temperature control is insufficient leading to egg death and reduced hatching rate
Solution Approach 1:
The patent uses composite insulation structure combining foam case body, phase-change material (paraffin) inside sealed plastic bags, and air layer insulation. This composite approach achieves effective temperature control while maintaining reasonable structural complexity, resolving the contradiction between reliability and device complexity.
Solution Approach 2:
The patent employs phase-change material (paraffin) that transitions between solid and liquid states at specific temperatures to absorb or release heat, actively maintaining temperature within the optimal range for egg incubation. This phase transition mechanism significantly improves egg hatching rate without requiring complex active cooling or heating systems.
2Temperature
If thermostatic system is adopted for transportation, then temperature control is improved, but equipment requirements increase and cost rises significantly
Solution Approach 1:
The phase-change material automatically absorbs heat when temperature rises and releases heat when temperature drops, providing self-regulating temperature control without external power sources or complex control systems. This passive thermal management achieves thermostatic effect while avoiding the complexity and cost of active thermostatic systems.
Solution Approach 2:
The patent utilizes the phase transition properties of paraffin material to create a passive thermal regulation system that maintains stable temperature through material state changes, eliminating the need for mechanical thermostats, refrigeration units, or electronic control systems.
3Reliability
If foam cases are used in winter, then insulation is provided, but temperature control effectiveness is insufficient under drastic temperature changes
Solution Approach 1:
The phase-change material dynamically responds to temperature fluctuations by changing state, absorbing excess heat during temperature spikes and releasing stored heat during cooling periods. This active thermal buffering protects eggs from drastic temperature changes much more effectively than passive foam insulation alone.
Solution Approach 2:
The sealed plastic bags containing phase-change material are pre-positioned around the egg cartons before transportation, creating a protective thermal buffer that cushions against upcoming temperature shocks and environmental extremes throughout the journey.
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 case significantly improves egg hatching rates and survival rates by maintaining temperature stability, reducing temperature fluctuations, and providing cushioning and damping effects, thus optimizing transportation efficiency and reducing losses.
Implementation Method 1
the phase-transition material has a phase-transition temperature range of 17 ̃22° C. at which the material will be transformed from solid to fluid
Implementation Method 2
an inner wall of the case body and an inner wall of the case cover are provided with an insulation layer
Data Source
AI summary
The present application provides a long-distance transportation case for long-distance transportation of black soldier fly eggs and larvae, including a case body, a case cover, and a plurality of insulation components inside the case body; wherein the insulation component comprises a sealed bag with a phase-transition material filled therein; and the plurality of insulation components are arranged in the transportation case to form a holding space for accommodating the egg boxes. The present application also provides a transportation method for black soldier fly eggs and larvae.