Structure of vacuum insulator with assembly reciprocating support
Provided is an inner structure of a vacuum insulator with an assembly reciprocating support to increase an insulation performance, the structure of the vacuum insulator including a top board, a bottom board, and an assembly reciprocating support installed perpendicularly between the top board and the bottom board, the assembly reciprocating support including a solid shaft, a hollow shaft, and a connection part.
1. A structure of a vacuum insulator configured to increase a thermal insulation performance of the vacuum insulator, the structure comprising:
a top board;
a bottom board; and
an assembly reciprocating support comprising a solid shaft, a hollow shaft, and a connection part between the top board and the bottom board;
wherein in the structure of the vacuum insulator, a material of the vacuum insulator is determined based on a figure of merit, and the figure of merit is proportional to a yield strength of the material and inversely proportional to a thermal conductivity coefficient; and
wherein the material of the vacuum insulator comprises polycarbonate used for the top board, the bottom board, the solid shaft, and the hollow shaft, and stainless steel used for the connection part.
2. The structure of claim 1 , wherein the top board and the bottom board respectively configured using a flat surface board are disposed parallel to each other with a space corresponding to a size of the assembly reciprocating support, and the assembly reciprocating support is installed perpendicularly between the top board and the bottom board.
3. The structure of claim 1 , wherein in the assembly reciprocating support, the solid shaft is disposed in a concave portion at a center of the connection part and the connection part is disposed on the hollow shaft to endure an atmospheric pressure.
4. The structure of claim 1 , wherein respective materials of the top board, the bottom board, the solid shaft, the hollow shaft, and the connection part are determined based on yield strengths and thermal conductivity coefficients.
5. The structure of claim 1 , wherein the top board, the bottom board, and the assembly reciprocating support are coated with a metal in view of a reflectivity and an emissivity to minimize radiant heat transfer.