Wooden Construction Element with Vacuum Insulation
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Solution Overview
Problem
Wooden houses have lower thermal insulation compared to stone houses due to high thermal conductivity of wooden panels, requiring additional insulation layers that increase manufacturing costs and time, and existing solutions like filled wooden construction elements do not provide optimal insulation.
Innovation Solution
A construction element with a front and rear wooden panel separated by orthogonally arranged transverse panels connected via dovetail joints, filled with vacuum insulation material, and treated with a styrene-butadiene copolymer resin to prevent gas transfer, featuring through holes in the transverse panels to reduce thermal conductivity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If wooden panels are used to form load-bearing walls, then manufacturing cost and manufacturing time are reduced, but thermal insulation performance deteriorates
Solution Approach 1:
The patent embeds an insulating core within a wooden framework, creating a nested structure where the insulating material is positioned inside the structural envelope. This allows the wooden panels to maintain their load-bearing function while the internal core provides thermal insulation, resolving the contradiction between manufacturing efficiency and thermal performance.
Solution Approach 2:
The patent combines wood and insulating materials into a composite construction element. The wooden framework provides structural strength and rapid assembly, while the integrated insulating core delivers thermal performance. This composite approach allows both materials to contribute their advantageous properties simultaneously.
2Loss of energy
If an additional insulating layer is added between wooden panels, then thermal insulation performance is improved, but manufacturing cost and manufacturing time increase
Solution Approach 1:
The patent merges the structural framework and thermal insulation functions into a single integrated construction element. The insulating material is incorporated within the wooden framework during manufacturing, eliminating the need for separate insulation installation steps and reducing overall manufacturing time and cost.
Solution Approach 2:
The construction element serves multiple functions simultaneously: the wooden framework provides structural support while the integrated insulating core provides thermal insulation. This multi-functionality eliminates the need for additional dedicated insulation layers, maintaining manufacturing efficiency while improving thermal performance.
3Strength
If solid wooden panels are used, then structural strength is maintained, but thermal conductivity increases
Solution Approach 1:
The patent segments the construction element into a wooden framework with internal compartments that house insulating material. This segmentation allows the wooden structure to maintain its strength-providing function while the internal segments filled with insulating material reduce thermal conductivity, creating a structure that is both strong and thermally efficient.
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 solution significantly reduces thermal conductivity, eliminates the need for additional insulation layers, increases the building's rigidity, and decreases manufacturing costs and time by optimizing thermal insulation and structural support.
Implementation Method 1
the separation space between said front panel (11) and said rear panel (12) is segmented into a series of contiguous housings (14)... filled with an insulation material... According to the invention, vacuum is used as an insulation material
Implementation Method 2
the front, rear and transverse panels are impregnated with a liquid resin formed from an aqueous dispersion of a styrene-butadiene copolymer which will prevent gas transfer from taking place between the interior of the housings (14) and the exterior
Data Source
Figure 1
Figure 2(a)~2(d)
AI summary
The invention relates to a building element (10) intended in particular for the manufacture of load-bearing or partition walls of a building, said element comprising: - a front panel (11), - a rear panel (12), said front and rear panels (11, 12) being connected to each other by means of a plurality of transverse panels (13) arranged orthogonally to said front and rear panels, said front, rear and transverse panels being formed at least partially of wood and defining a series of contiguous housings (14), characterized in that the internal space of said housings (14) is totally filled by an insulating material, said insulating material giving the building element increased thermal insulation capacity and reinforced rigidity.