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EP-4741745-A2 - VACUUM ADIABATIC BODY

EP4741745A2EP 4741745 A2EP4741745 A2EP 4741745A2EP-4741745-A2

Abstract

A vacuum adiabatic body of the present embodiment may include a first plate, a second plate, a seal configured to seal the first plate and the second plate to provide a vacuum space, and a support configured to maintain the vacuum space. Optionally, the support may include a first support having a first support plate formed in a grid shape, and a plurality of spacer coupling portions protruding from the first support plate. Optionally the support may include a second support having a second support plate formed in a grid shape, and a plurality of spacers protruding from the second support plate and coupled to each of the plurality of spacer coupling portions to form a plurality of bars together with the plurality of spacer coupling portions. Optionally, the support may include a radiation resistance sheet supported by a portion of the plurality of bars and spaced apart from at least one of the first support plate and the second support plate. Alternatively, each of the support plates may include a plurality of through-holes. Optionally, a distribution structure generated after injection molding of the first and second supports may be provided in some of the plurality of through-holes.

Inventors

  • JUNG, WONYEONG
  • YOUN, DEOKHYUN
  • KI, Duchan
  • LEE, JAEHWAN

Assignees

  • LG Electronics Inc.

Dates

Publication Date
20260513
Application Date
20211101

Claims (15)

  1. A vacuum adiabatic body comprising: a plate being a wall defining a vacuum space (50), the plate including a first plate (10) and a second plate (20); and a support (30), (31), (33), (35) configured to maintain the vacuum space (50), wherein the support (30), (31), (33), (35) includes a plurality of through-holes (352), (362), and a distribution structure of the support (30), (31), (33), (35) is configured to be located in some of the plurality of through-holes (352), (362).
  2. The vacuum adiabatic body of claim 1, further comprising a seal configured to seal the first plate (10) and the second plate (20) to provide the vacuum space (50).
  3. The vacuum adiabatic body of claim 1 or 2, wherein the support (30), (31), (33), (35) includes a first support (350b) having a first support plate (351) formed in a grid shape, and a plurality of spacer coupling portions (356) protruding from the first support plate (351).
  4. The vacuum adiabatic body of claim 3, wherein the support (30), (31), (33), (35) has a second support (360b) having a second support plate (361) formed in a grid shape, and a plurality of spacers (366) protruding from the second support plate (361), wherein the plurality of spacers (366) are coupled to each of the plurality of spacer coupling portions (356) to form a plurality of bars together with the plurality of spacer coupling portions (356), and wherein each of the first support plate (351) and the second support plate (361) includes the plurality of through-holes (352), (362), and the distribution structure is configured to be located in some of the plurality of through-holes (352), (362).
  5. The vacuum adiabatic body of any one of claims 1 to 2, wherein the support (30), (31), (33), (35) comprises a first support (350b) and a second support (360b) are coupled to each other, and wherein the first support (350b) includes a first support plate (351) formed in a grid shape, or including the plurality of through-holes (352).
  6. The vacuum adiabatic body of claim 1 or 2, wherein the support (30), (31), (33), (35) comprises a first support (350b) including a first support plate (351) formed in a grid shape, or including the plurality of through-holes (352).
  7. The vacuum adiabatic body of claim 1 or 2, wherein the distribution structure includes a support distribution portion (368) configured to be located in some of the plurality of through-holes (352), (362), or wherein the distribution structure includes a support distribution portion (368) formed in the form of a disk.
  8. The vacuum adiabatic body of claim 1 or 2, wherein the distribution structure includes a support distribution portion (368) and a plurality of support bridges (367) extending from the support distribution portion (368) in a radial direction.
  9. The vacuum adiabatic body of claim 8, wherein the support (30), (31), (33), (35) comprises a first support (350b) and a second support (360b) are coupled to each other, wherein the second support (360b) includes a second support plate (361) having a grid shape, or including the plurality of through-holes (362), wherein the second support (360b) includes a plurality of spacers (366) extending from the second support plate (361) in a direction crossing the second support plate (361), and wherein the support distribution portion (368) is disposed to be spaced apart from the plurality of spacers (366).
  10. The vacuum adiabatic body of claim 7 or 8, wherein the distribution structure includes a support storage portion (368a) protruding from the support distribution portion (368).
  11. The vacuum adiabatic body of claim 10, wherein a diameter of the support storage portion (368a) is formed to be smaller than a diameter of the support distribution portion (368).
  12. The vacuum adiabatic body of claim 11, wherein the support (30), (31), (33), (35) comprises a first support (350b) and a second support (360b) are coupled to each other, wherein the second support (360b) includes a second support plate (361) having a grid shape, or including the plurality of through-holes (362), wherein the second support (360b) includes a plurality of spacers (366) extending from the second support plate (361) in a direction crossing the second support plate (361), and wherein the diameter of the support storage portion (368a) is smaller than a distance between the plurality of spacers (366).
  13. The vacuum adiabatic body of claim 1 or 2, wherein the support (30), (31), (33), (35) includes a first support (350b) having a first support plate (351) formed in a grid shape, and a plurality of spacer coupling portions (356) protruding from the first support plate (351), wherein the support (30), (31), (33), (35) has a second support (360b) having a second support plate (361) formed in a grid shape, and a plurality of spacers (366) protruding from the second support plate (361), wherein the plurality of spacers (366) are coupled to each of the plurality of spacer coupling portions (356) to form a plurality of bars together with the plurality of spacer coupling portions (356), and wherein each of the first support (350b) and the second support (360b) includes a plurality of distribution structures, and two adjacent distribution structures are configured to be formed within 10 pitches, when 1 pitch means a distance between two adjacent bars.
  14. An apparatus comprising a vacuum adiabatic body of any one of claims 1 to 12.
  15. An refrigerator comprising: a main body (2) provided with a cavity (9) capable of storing storage good; a door (3) provided to open and close the main body (2); and a vacuum adiabatic body of any one of claim 1 to 12.

Description

Technical Field The present disclosure relates to a vacuum adiabatic body and a refrigerator. Background Art Adiabatic performance can be improved by constructing an adiabatic wall with vacuum. At least a portion of the internal space is made of vacuum, and a device for forming to obtain an adiabatic effect may be referred to as a vacuum adiabatic body. The applicant has developed a technology to obtain a vacuum adiabatic body that can be used in various devices and home appliances and disclosed a refrigerator having a vacuum space of Korean Application No. 10-2011-0113413 (Publication No. 10-2013-0048527). The refrigerator includes a body having a storage space in which a predetermined stored items can be accommodated, wherein the body includes an inner case in which the storage space is formed; an outer case accommodating the inner case and disposed to be spaced apart from the inner case by a predetermined gap; a vacuum space provided between the inner case and the outer case, the inside of which is sealed and maintained in a vacuum state, to perform an adiabatic action between the inner case and the outer case; a first support plate provided on one of the surfaces facing each other of the inner case and the outer case; and a plurality of spacers which are fixedly disposed on the first support plate and support to maintain a gap between the inner case and the outer case. The body further includes a second support plate provided on the other of the surfaces facing each other of the inner case and the outer case and disposed to face the first support plate. The second support plate includes a plurality of grooves formed so that the end portions of the plurality of spaces are inserted into the inner surface thereof. In this prior document, the first support plate only includes spacers of the same shape, and a specific technique for reducing heat transfer between the support plates is not disclosed. In addition, the prior document discloses only that the first support plate includes a plurality of spacers and does not disclose a technique for uniformly forming each of the plurality of spacers in the first support plate. Disclosure Technical Problem The present embodiment provides a vacuum adiabatic body and a refrigerator in which some of the plurality of bars of the support are prevented from being unmolded. Optionally or additionally, the present embodiment provides a vacuum adiabatic body and a refrigerator that can be injection molded into a desired shape in the shape of a plurality of bars of the support. In addition to the examples presented above, the present disclosure proposes specific solutions and means for solving them in [Technical Solution] and [Mode for Invention]. Technical Solution A vacuum adiabatic body according to an aspect may include a first plate, a second plate, and a seal configured to seal the first plate and the second plate to provide a vacuum space. Optionally, the vacuum adiabatic body may include a support configured to maintain the vacuum space. Optionally, the support may include a first support having a first support plate formed in a grid shape, and a plurality of spacer coupling portions protruding from the first support plate. Optionally, the support may a second support having a second support plate formed in a grid shape, and a plurality of spacers protruding from the second support plate and coupled to each of the plurality of spacer coupling portions to form a plurality of bars together with the plurality of spacer coupling portions. Optionally, the support may include a radiation resistance sheet supported by a portion of the plurality of bars and spaced apart from at least one of the first support plate and the second support plate. Optionally, each of the support plates may include a plurality of through-holes. Optionally, a distribution structure generated after injection molding of the first and second supports may be provided in some of the plurality of through-holes. Optionally, at least a portion of the distribution structure may be removed from the supporter. Optionally, one through-hole may be defined by a pair of first extension portions and a pair of second extension portions. Optionally, the distribution structure may include a support distribution portion located in the through-hole. Optionally, the distribution structure may include a support bridge configured to extend in a radial direction from the support distribution portion and connected to at least one of the pair of first extension portions and the pair of second extension portions. Optionally, the support distribution portion may be formed in the form of a disk. Optionally, the distribution structure may include a plurality of support bridges disposed at equal intervals. Optionally, the distribution structure may include a plurality of support bridges symmetrically disposed with respect to the support distribution portion. Optionally, the thickness of the support bridge may be the same as or thi