Reefer Container Integral Sheet Assemblies
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Solution Overview
Problem
Traditional reefer containers require significant assembly workload and resources due to their multi-section structure, leading to potential damage of the inner lining board during assembly and transportation, and exposed splicing gaps that compromise insulation performance.
Innovation Solution
A reefer container design featuring integral sheet assemblies with foaming insulation and a middle frame structure that can be assembled easily at the destination, eliminating splicing seams and reducing assembly time and material usage, while ensuring a smooth inner surface and maintaining insulation integrity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If traditional reefer containers use multi-section structure for top sheet and side sheet, then transportation and assembly flexibility is improved, but assembly workload increases and inner lining board damage risk increases
Solution Approach 1:
The patent merges multiple sections into integral structures. Specifically, the top sheet is formed as a single integral piece without splicing gaps, and the side sheet is also constructed as one continuous structure. This eliminates the need for multiple assembly operations while maintaining transportation flexibility, directly reducing assembly workload and the risk of inner lining board damage.
2Adaptability or versatility
If traditional reefer containers use multi-section structure with splicing gaps, then component transportation is facilitated, but insulation performance deteriorates due to exposed gaps
Solution Approach 1:
The top sheet is designed as an integral structure that eliminates splicing gaps, ensuring continuous insulation coverage. The side sheet is similarly constructed as one continuous piece, preventing thermal bridges at joint locations. This maintains reliable insulation performance while the modular panel assembly approach still facilitates component transportation.
3Strength
If traditional reefer containers require patch welding inside the box, then structural integrity is improved, but inner lining board scratch damage increases
Solution Approach 1:
Instead of performing patch welding inside the box (which causes damage to the inner lining board), the patent inverts the approach by ensuring structural integrity through integral construction of the top and side sheets. The continuous structures provide inherent strength without requiring internal welding operations, thereby eliminating the harmful effect of scratch damage to the inner lining board.
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 design facilitates efficient assembly, reduces manpower and material costs, minimizes damage to the inner lining, and enhances the service life of the container by eliminating splicing seams and preventing moisture ingress, thus improving the overall performance and longevity of the reefer container.
Implementation Method 1
each of the bottom panel sheet assembly, top panel sheet assembly, and the two side panel sheet assemblies has an integral foaming insulation layer
Data Source
AI summary
The present invention provides a reefer container transported in components including a bottom panel sheet assembly, two side panel sheet assemblies, a top panel sheet assembly, a front wall sheet assembly, and a rear wall sheet assembly. The components are assembled into a closed hexahedral box. The inner side of the side panel sheet assembly and the inner side of the top panel sheet assembly each have an inner lining board. The inner lining boards are integrally formed and abut against each other in the box. Each sheet assembly has an integral foam insulation layer smooth the inner surface of the inner lining board and reduce the scratch damage of the inner lining board from goods; reducing the box's maintenance costs and frequency. There are also no splicing seams on the inner lining board, preventing moisture from entering the insulation layer and improving the service life of the reefer container.