Vacuum adiabatic body and refrigerator
A vacuum adiabatic body may include: a first plate member; a second plate member; a sealing part sealing the first plate member and the second plate member to provide a third space; a supporting unit maintaining the third space; a heat resistance unit at least including a conductive resistance sheet capable of resisting heat conduction flowing along a wall for the third space to decrease a heat transfer amount between the first plate member and the second plate member; and an exhaust port through which a gas in the third space is exhausted. A side frame may be fastened to the conductive resistance sheet and the second plate member, and the side frame is fastened to an edge portion of the second plate member. Accordingly, the formation of dews may be prevented and an adiabatic effect may be improved.
1. A vacuum adiabatic body comprising:
a first plate;
a second plate;
a vacuum space provided between the first plate and the second plate, the vacuum space to be provided in a vacuum state;
a side frame to define at least one portion of a wall for the vacuum space the side frame extending in a direction of a thickness of the vacuum space; and
a conductive resistance sheet disposed to be connected with the first plate and configured to reduce heat conduction between the first plate and the second plate,
wherein the first plate, the conductive resistance sheet and the side frame are positioned sequentially,
wherein the side frame comprises:
a first fastening part sealably fastened to the conduction resistance sheet;
a second fastening part fastened to the second plate; and
a gap part extending from the first fastening part toward the second plate, wherein at least one portion of the gap part is formed by bending from the first fastening part.
2. The vacuum adiabatic body according to claim 1 , wherein a height of the gap part is equal to that of the vacuum space.
3. The vacuum adiabatic body according to claim 1 , wherein the side frame further comprises an extending part extending between the gap part and the second plate.
4. The vacuum adiabatic body according to claim 3 , wherein the extending part is formed by bending at one end of the gap part.
5. The vacuum adiabatic body according to claim 3 , wherein the extending part extends along an inner surface of the second plate.
6. A vacuum adiabatic body comprising:
a first plate;
a second plate;
a vacuum space provided between the first plate and the second plate, the vacuum space to be provided in a vacuum state;
a side frame to define at least one portion of a wall for the vacuum space, the side frame extending in a direction of a thickness of the vacuum space;
a conductive resistance sheet disposed to be connected with the first plate and configured to reduce heat conduction between the first plate and the second plate,
wherein the conductive resistance sheet and the side frame are disposed between the first plate and the second plate;
a peripheral adiabatic mold provided adjacent to an outer wall at a distal end region of the vacuum space to improve adiabatic performance at the distal end region of the vacuum space; and
a conductive resistance adiabatic material provided over an outer surface of the conductive resistance sheet.
7. The vacuum adiabatic body according to claim 6 , wherein at least a portion of the conductive resistance adiabatic material extends toward the first plate and away from the peripheral adiabatic mold.
8. The vacuum adiabatic body according to claim 6 , wherein the side frame is thicker than the conductive resistance sheet.
9. The vacuum adiabatic body according to claim 6 , wherein the side frame is made of metal.
10. The vacuum adiabatic body according to claim 6 , wherein a vacuum pressure of the vacuum space is equal to or greater than 1.8×10 −6 Torr and equal to or smaller than 4 5×10 −3 Torr.
11. A vacuum adiabatic body comprising:
a first plate;
a second plate;
a vacuum space provided between the first plate and the second plate, the vacuum space to be provided in a vacuum state;
a side frame to define at least one portion of a wall for the vacuum space the side frame extending in a direction of a thickness of the vacuum space; and
a conductive resistance sheet disposed to be connected with the first plate and configured to reduce heat conduction between the first plate and the second plate,
wherein a first end of the conductive resistance sheet is sealed at one side of the side frame and a second end of the conductive resistance sheet is sealed at one side of the first plate, wherein the conductive resistance sheet has a concaved portion between the first end and the second end such that the concaved portion is curved into the vacuum space.
12. The vacuum adiabatic body according to claim 11 , wherein the conductive resistance sheet defines, together with each of the first and second plates, at least a portion of the wall adjacent the vacuum space.
13. A vacuum adiabatic body comprising:
a first plate;
a second plate;
a vacuum space provided between the first plate and the second plate, the vacuum space to be provided in a vacuum state;
a side frame to define at least one portion of a wall for the vacuum space the side frame extending in a direction of a thickness of the vacuum space; and
a conductive resistance sheet disposed to be connected with the first plate and configured to reduce heat conduction between the first plate and the second plate,
wherein the side frame comprises:
a first fastening part sealably fastened to the conduction resistance sheet;
a second fastening part fastened to the second plate;
a gap part extending from the first fastening part toward the second plate; and
an extending part extending between the gap part and the second plate.
14. The vacuum adiabatic body according to claim 13 , further comprising a peripheral adiabatic mold provided adjacent to an outer wall at a distal end region of the vacuum space to improve adiabatic performance at the distal end region of the vacuum space.
15. The vacuum adiabatic body according to claim 14 , further comprising an inner panel that protects at least one portion of the peripheral adiabatic mold.
16. The vacuum adiabatic body according to claim 15 , further comprising a gasket fixed to the inner panel.
17. The vacuum adiabatic body according to claim 13 , wherein at least one portion of the gap part is formed by bending from the first fastening part.