Armored Fire Door Thermal Barrier Design
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing fire doors with metal coatings conduct heat well, posing a risk in fire scenarios, and there is a need for a solution that can be applied to existing wooden doors to enhance their fire-resistant and armoring capabilities while maintaining aesthetic and ecological considerations.
Innovation Solution
An armored fire door configuration that includes a wooden base panel with a metal armoring coating, a fire-resistant magnesium silicate panel bonded with non-combustible adhesive between the internal face of the base panel and the metal shielding, and a non-combustible wool seal on the edge to create a thermal barrier.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If a metal armoring coating is applied to enhance protection, then strength and armoring are improved, but heat conduction increases causing worse fire resistance
Solution Approach 1:
The door structure is segmented into multiple functional layers: external metal armoring coating for protection, intermediate fire-resistant insulation layer for thermal barrier, and wooden base panel for structure. This segmentation allows each layer to perform its specific function without compromising others.
Solution Approach 2:
The door employs composite material construction combining metal coating (for armoring), fire-resistant insulation materials (for thermal protection), and wooden panels (for structure and aesthetics). This composite approach resolves the contradiction by integrating materials with complementary properties.
2Reliability
If existing wooden doors are renovated to add fire-resistant and armoring functions, then reliability is improved, but device complexity increases
Solution Approach 1:
Fire-resistant and armoring layers are applied in advance to the existing wooden door during renovation, rather than requiring complete door replacement. The metal coating and insulation layers are pre-applied to the door surface, simplifying the renovation process.
Solution Approach 2:
The renovation system is designed to be universally applicable to existing wooden doors. The metal armoring coating and fire-resistant insulation layers can be applied to various door types and configurations, providing multi-functional enhancement (protection, fire resistance, insulation) through a standardized approach.
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
This configuration effectively delays the rise in temperature and combustion of the wooden base panel, achieving a flame resistance of 30 minutes (E30 classification), while maintaining the aesthetic appeal of the existing door.
Implementation Method 1
a fire-resistant magnesium silicate panel bonded with a non-combustible adhesive between the internal face of the base panel and the first face of the metal shielding covering and in that at least part of the edge of the opening comprises a non-combustible wool seal arranged between the base panel and the first face of the metal shielding covering
Data Source
Figure 1
Figure 2~3
Figure 4~5
AI summary
The invention relates to an armored fire door comprising a frame and at least one opening leaf, the opening leaf comprises a wooden base panel comprising an external face intended to form an external face of the fire door and an internal face opposite the external face, the internal face and the external face being connected to each other by an edge, at least part of the internal face and at least part of the edge being covered by a metal armoring coating having a first face arranged facing the base panel and a second face opposite the first face. The opening leaf comprises a fire panel bonded by an incombustible glue between the internal face of the base panel and the first face of the metal armoring coating and at least part of the edge of the opening leaf comprises a non-combustible wool seal arranged between the base panel and the first face of the metal armoring coating.