Vacuum adiabatic body and method for manufacturing the same

Patent metadata

Field	Value
Publication number	US-2025020264-A1
Application number	US-202218715305-A
Country	US
Kind code	A1
Filing date	Dec 1, 2022
Priority date	Dec 3, 2021
Publication date	Jan 16, 2025
Grant date	—

Abstract

A vacuum adiabatic body of the present disclosure may include a first plate; a second plate; and a vacuum space provided between the first plate and the second plate. The vacuum adiabatic body may include a strength reinforcement portion configured to reinforce the strength of the first plate.

First claim

1 . A vacuum adiabatic body comprising:
a first plate; a second plate; a vacuum space disposed between the first plate and the second plate, and configured to be provided in a vacuum state; and a strength reinforcement configured to reinforce strength of the first plate.

2 . The vacuum adiabatic body of claim 1 ,
wherein the first plate is thinner than the second plate.

3 . The vacuum adiabatic body of claim 1 ,
wherein the strength reinforcement is provided on a periphery of the first plate, extends along an extending direction of an edge of the first plates, or is provided on a long side of the first plate.

4 . The vacuum adiabatic body of claim 1 ,
wherein the strength reinforcement is configured to prevent deformation of the first plate, inhibit propagation of the deformation of the first plate, or increase flatness of the first plate in an area of the first plate corresponding to a seal.

5 . The vacuum adiabatic body of claim 1 , further comprising:
a support configured to maintain the vacuum space, wherein a positioning state of the support is based on the strength reinforcement.

6 . The vacuum adiabatic body of claim 1 , further comprising:
a support configured to maintain the vacuum space, wherein the vacuum adiabatic body satisfies at least one of: the strength reinforcement is disposed outside an area of the first plate on which the support is disposed, the strength reinforcement is disposed on an inside of a seal on the first plate, and the strength reinforcement is disposed between the seal and an outermost support.

7 . The vacuum adiabatic body of claim 1 , further comprising:
a support configured to maintain the vacuum space, wherein the strength reinforcement is disposed on at least one of: an area of the first plate corresponding to outside of the support; an area of the first plate corresponding to inside of a grid area of the support; and an area of the first plate corresponding to a gap between two components forming the support.

8 . The vacuum adiabatic body of claim 7 ,
wherein the vacuum adiabatic body satisfies at least one of: a long axis of the strength reinforcement is disposed perpendicular to the gap between the two components forming the support, a width of the strength reinforcement is shorter than a length of the strength reinforcement, the width of the strength reinforcement is greater than a width of a seal on the first plate, the width of the strength reinforcement is less than a width of a frame forming part of the support, the width of the strength reinforcement is greater than a thickness of the strength reinforcement, the thickness of the strength reinforcement is greater than a thickness of the first plate, the length of the strength reinforcement is longer than a gap between two components forming part of the support, and the length of the strength reinforcement is less than three times the gap between the two components forming part of the support.

9 . The vacuum adiabatic body of claim 1 ,
wherein the strength reinforcement portion includes at least one of: a formed strength reinforcement formed in at least one direction, a different shape strength reinforcement protruding in at least one direction, a different material strength reinforcement including two different materials, and an additional strength reinforcement to which a predetermined member is added in at least one direction.

10 . A method for manufacturing a vacuum adiabatic body to have a seal that seals a vacuum space between a first plate and a second plate, the method comprising:
manufacturing a component to be applied to the vacuum adiabatic body, and providing a strength reinforcement to the first plate in order to reinforce strength of the plate; assembling the component; sealing an outer wall of the vacuum space to block the vacuum space from an external space; exhausting internal air of the vacuum space; and providing a device configured to use the vacuum adiabatic body.

11 . The method for manufacturing a vacuum adiabatic body of claim 10 ,
wherein the strength reinforcement reinforces the strength of the plate in the sealing of the outer wall of the vacuum space.

12 . A vacuum adiabatic body comprising:
a first plate; a second plate; a vacuum space disposed between the first plate and the second plate, and configured to be provided in a vacuum state; a support disposed inside the vacuum space to maintain the vacuum space; and a strength reinforcement disposed on the first plate to reinforce strength.

13 . The vacuum adiabatic body of claim 12 ,
wherein the support is aligned with the first plate in a thickness direction of the vacuum space, and wherein the strength reinforcement is disposed in an area of the first plate corresponding to outside of the support.

14 . The vacuum adiabatic body of claim 12 ,
wherein the support is aligned with the first plate in a thickness direction of the vacuum space, and the strength reinforcement is provided in an area of the first plate corresponding to inside of a grid of the support.

15 . The vacuum adiabatic body of claim 12 ,
wherein the support is aligned with the first plate in a thickness direction of the vacuum space, and is provided in an area of the first plate corresponding to a gap between two portions forming the support.

16 . The vacuum adiabatic body of claim 12 ,
wherein a major axis of the strength reinforcement is disposed perpendicular to a gap between two portions forming the support.

17 . The vacuum adiabatic body of claim 12 ,
wherein the vacuum adiabatic body satisfies at least one of:
a width of the strength reinforcement is shorter than a length of the strength reinforcement, and
the width of the strength reinforcement is greater than a width of a seal on the first plate.

18 . The vacuum adiabatic body of claim 12 ,
wherein the vacuum adiabatic body satisfies at least one of:
a width of the strength reinforcement is less than a width of a frame forming part of the support, and
the width of the strength reinforcement is larger than a thickness of the strength reinforcement.

19 . The vacuum adiabatic body of claim 12 ,
wherein a thickness of the strength reinforcement is greater than a thickness of the first plate.

20 . The vacuum adiabatic body of claim 12 ,
wherein the vacuum adiabatic body satisfies at least one of: a length of the strength reinforcement is longer than a gap between two components forming part of the support, and

Assignees

• Lg Electronics Inc

Inventors

• Jung Wonyeong
• Youn Deokhyun
• Ki Duchan

Classifications

• F25D2201/14

  using subatmospheric pressure · CPC title

• F25D23/06

  Walls (F25D23/08 takes precedence; containers with thermal insulation B65D81/38) · CPC title

• Y02B80/10

  Insulation, e.g. vacuum or aerogel insulation · CPC title

• F16L59/065 Primary

  using vacuum (F16L59/075 takes precedence) · CPC title

• F25D23/062 Primary

  defining a cabinet · CPC title