US-20260126146-A1 - VACUUM ADIABATIC BODY

US20260126146A1US 20260126146 A1US20260126146 A1US 20260126146A1US-20260126146-A1

Abstract

A vacuum adiabatic body according to an embodiment may include a first plate, a second plate, and a seal that seals a gap between the first plate and the second plate. Optionally, the vacuum adiabatic body according to an embodiment may include a support that maintains a vacuum space. Optionally, the vacuum adiabatic body according to an embodiment may include a heat transfer resistor that reduces an amount of heat transfer between the first plate and the second plate. Optionally, the vacuum adiabatic body may include a component coupling portion connected to at least one of the first or second plate so that a component is coupled thereto. Accordingly, the vacuum adiabatic body capable of achieving the industrial purpose may be provided.

Inventors

Wonyeong Jung
Deokhyun Youn
Jaehyun Bae

Assignees

LG ELECTRONICS INC.

Dates

Publication Date: 20260507
Application Date: 20260102
Priority Date: 20201102

Claims (19)

1 . A vacuum adiabatic body comprising: a first plate; a second plate; a vacuum space defined between the first plate and the second plate; and a molded adiabatic material provided in advance in a predetermined shape and positioned outside the vacuum space.
2 . The vacuum adiabatic body according to claim 1 , further comprising a side plate connecting the first plate to the second plate, wherein the side plate includes: a first portion defining a wall forming the vacuum space; and a second portion extending from the first portion, the second portion extending in a direction away from the vacuum space, wherein the first plate includes: a first portion a wall forming defining the vacuum space; and a second portion extending from the first portion, the second portion extending in a direction away from the vacuum space, and wherein the molded adiabatic material includes a seating groove in which the second portion of the side plate and the second portion of the first plate are seated.
3 . The vacuum adiabatic body according to claim 2 , wherein the second portion of the side plate is supported by the second portion of the first plate in a direction, or the second portion of the first plate is supported by the second portion of the side plate in a direction.
4 . The vacuum adiabatic body according to claim 2 , wherein the second portion of the side plate and the second portion of the first plate are fitted into the seating groove.
5 . The vacuum adiabatic body according to claim 1 , further comprising a side plate connecting the first plate to the second plate, wherein the side plate includes: a first portion defining a wall forming the vacuum space; and a second portion extending from the first portion, the second portion extending in a direction away from the vacuum space, and wherein the molded adiabatic material includes a seating groove in which the second portion of the side plate is seated.
6 . The vacuum adiabatic body according to claim 5 , wherein the second portion of the side plate is fitted into the seating groove.
7 . The vacuum adiabatic body according to claim 1 , wherein the first plate includes: a first portion defining a wall forming the vacuum space; and a second portion extending from the first portion, the second portion extending in a direction away from the vacuum space, and wherein the molded adiabatic material includes a seating groove in which the second portion of the first plate is seated.
8 . The vacuum adiabatic body according to claim 7 , wherein the second portion of the first plate is fitted into the seating groove.
9 . The vacuum adiabatic body according to claim 1 , further comprising a coupler coupling the second plate to the molded adiabatic material, the coupler including a bolt, wherein the coupler is configured to pass through the second plate, and wherein the coupler is positioned in a groove which is formed in the molded adiabatic material.
10 . The vacuum adiabatic body according to claim 9 , wherein the second plate includes: a first portion defining a wall forming the vacuum space; and a second portion extending from the first portion, the second portion being spaced apart from the vacuum space, and wherein the coupler is configured to pass through the second portion of the second plate.
11 . The vacuum adiabatic body according to claim 9 , wherein the second plate includes: a first portion defining a wall forming defining the vacuum space; a second portion extending from the first portion, the second portion extending in a direction away from the vacuum space; and a third portion extending from the second portion, the third portion extending in a first direction different form the direction, and wherein the coupler is configured to pass through at least one of the second, or the third portion of the second plate.
12 . The vacuum adiabatic body according to claim 11 , wherein the second plate includes a bent portion extending from the third portion, the bent portion extending in a direction different form the first direction, and wherein the coupler is configured to pass through at least one of the second, the third, or the bent portion of the second plate.
13 . The vacuum adiabatic body according to claim 1 , further comprising a coupler coupling the second plate to the molded adiabatic material, the coupler including a bolt, wherein the coupler is positioned in a groove which is formed in the molded adiabatic material.
14 . The vacuum adiabatic body according to claim 1 , further comprising a side plate connecting the first plate to the second plate, wherein the side plate includes: a first portion defining a wall forming the vacuum space, the first portion extending in a direction from the second plate toward the first plate; and a second portion extending in a direction different from the direction, the second portion being spaced apart from the second plate, and wherein the molded adiabatic material is provided in a space between the first portion of the side plate and the second portion of the side plate.
15 . The vacuum adiabatic body according to claim 14 , wherein the molded adiabatic material includes a first portion provided in the space, and a second portion extending from the first portion, the second portion being positioned outside the space.
16 . The vacuum adiabatic body according to claim 1 , further comprising a seal that seals a gap between the first plate and the second plate.
17 . The vacuum adiabatic body according to claim 1 , wherein the second plate includes a first outer case and a second outer case, and wherein the first outer case is configured to provide a seal between the first plate and the second plate, and the second outer case including a portion farther from the vacuum space than the first outer case.
18 . The vacuum adiabatic body according to claim 1 , wherein the first plate includes a first inner case and a second inner case, and wherein the first inner case is configured to provide a seal between the first plate and the second plate, and the second inner case includes a portion farther than the first inner case from the vacuum space.
19 . An appliance comprising a vacuum adiabatic body according to claim 1 .

Description

CROSS-REFERENCE TO RELATED APPLICATIONS This application is a Continuation Application of prior U.S. patent application Ser. No. 18/034,996 filed May 2, 2023, which is a U.S. National Stage Application under 35 U.S.C. § 371 of PCT Application No. PCT/KR2021/015567, filed Nov. 1, 2021, which claims priority to Korean Patent Application Nos. 10-2020-0144757 and 10-2020-0144759, both filed Nov. 2, 2020, whose entire disclosures are hereby incorporated by reference. BACKGROUND 1. Field The present disclosure relates to a vacuum adiabatic body. 2. Background A vacuum adiabatic wall may be provided to improve adiabatic performance. A device of which at least a portion of an internal space is provided in a vacuum state to achieve an adiabatic effect is referred to as a vacuum adiabatic body. The applicant has developed a technology to obtain a vacuum adiabatic body that is capable of being used in various devices and home appliances and has disclosed Korean Application Nos. 10-2015-0109724 and 10-2015-0109722 that relate to the vacuum adiabatic body. In the cited document, a plurality of members are coupled to provide a vacuum space. Specifically, a first plate, a conductive resistance sheet, a side plate, and a second plate are sealed to each other. To seal the coupling portion of each member, a sealing process is performed. A small process error occurring in the sealing process leads to vacuum breakage. The cited document does not disclose a specific method for insulating a peripheral portion of the vacuum adiabatic body. In particular, a method for manufacturing the vacuum adiabatic body is not described. BRIEF SUMMARY OF THE INVENTION Embodiments provide a vacuum adiabatic body capable of solving limitation of sealing defects by reducing the number of portions to be sealed on a wall of a vacuum space. Embodiments also provide a vacuum adiabatic body having high productivity. A vacuum adiabatic body according to an embodiment may include a first plate, a second plate, and a seal that seals a gap between the first plate and the second plate. Optionally, the vacuum adiabatic body according to an embodiment may include a support that maintains a vacuum space. Optionally, the vacuum adiabatic body may include a heat transfer resistor that reduces an amount of heat transfer between the first plate and the second plate. Optionally, the vacuum adiabatic body may include a component coupling portion connected to at least one of the first or second plate so that a component is coupled thereto. Accordingly, the vacuum adiabatic body capable of achieving the industrial purpose may be provided. Optionally, the second plate may include a first outer case providing the seal. Optionally, the second plate may include a second outer case farther from the vacuum space than the first outer case. Optionally, the side plate may have a first portion of the side plate providing the vacuum space. Optionally, the side plate may include a second portion of the side plate, which is bent from the first portion of the side plate. Optionally, the first plate may include a first inner case providing the seal. Optionally, the first plate may include a second inner case farther than the first inner case from the vacuum space. Optionally, it may include a molded adiabatic material to insulate the peripheral portion of the first and second plates. Optionally, the vacuum adiabatic body may include a component coupling portion connected to at least one of the first or second plate so that a component is coupled thereto. Optionally, a molded adiabatic material may be provided to insulate the peripheral portion of the first and second plates. Optionally, the second plate may include a first outer case adjacent to the vacuum space. Optionally, it may include a second outer case farther to the vacuum space than the first outer case. Optionally, the outer surface of the vacuum adiabatic body may be provided to be flat. Optionally, a buffer pad may be disposed on a branched portion of the first outer case and the second outer case to guide the relative seating position. With the effect of the above configuration, it is possible to improve the flowability of the foaming liquid. Optionally, the buffer pad may include an elastic material to absorb the pressure difference of the foaming liquid. Optionally, the first outer case may include a position marker disposed on the surface facing the second outer case. Accordingly, an assembly operation may be convenient. Optionally, the position marker may be a paint. The second portion of the side plate and the second plate may not be in contact with each other. Accordingly, the adiabatic loss may be reduced. Optionally, the first plate may be disposed on the second portion of the side plate. Optionally, the first plate may have a first inner case adjacent to the vacuum space. Optionally, a second inner case farther from the vacuum space than the first inner case may be provided. Optionally, the first plate may be