DE19803908A1 - Evacuated thermal insulation panel with thermally insulated edges - Google Patents

Evacuated thermal insulation panel with thermally insulated edges

Info

Publication number
DE19803908A1
DE19803908A1 DE19803908A DE19803908A DE19803908A1 DE 19803908 A1 DE19803908 A1 DE 19803908A1 DE 19803908 A DE19803908 A DE 19803908A DE 19803908 A DE19803908 A DE 19803908A DE 19803908 A1 DE19803908 A1 DE 19803908A1
Authority
DE
Germany
Prior art keywords
thermal insulation
profile
insulation panel
sides
thermally insulated
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
DE19803908A
Other languages
German (de)
Inventor
Ekkehard Nowara
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ThyssenKrupp Tempsafe GmbH
Original Assignee
THYSSEN VAKUUM ISOLATIONSTECHN
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by THYSSEN VAKUUM ISOLATIONSTECHN filed Critical THYSSEN VAKUUM ISOLATIONSTECHN
Priority to DE19803908A priority Critical patent/DE19803908A1/en
Publication of DE19803908A1 publication Critical patent/DE19803908A1/en
Ceased legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L59/00Thermal insulation in general
    • F16L59/06Arrangements using an air layer or vacuum
    • F16L59/065Arrangements using an air layer or vacuum using vacuum
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/76Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
    • E04B1/78Heat insulating elements
    • E04B1/80Heat insulating elements slab-shaped
    • E04B1/803Heat insulating elements slab-shaped with vacuum spaces included in the slab
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/24Structural elements or technologies for improving thermal insulation
    • Y02A30/242Slab shaped vacuum insulation
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B80/00Architectural or constructional elements improving the thermal performance of buildings
    • Y02B80/10Insulation, e.g. vacuum or aerogel insulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Architecture (AREA)
  • General Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Laminated Bodies (AREA)
  • Thermal Insulation (AREA)

Abstract

An evacuated thermal insulation panel consists of two sheets of pref. stainless steel separated by a suitable insulant (5). The panel edge has a recess formed within the insulant, and covered by a suitable material (2.1, 2.2) to which it is welded at the tips of the U-shape (4.1, 4.2). Prior to welding, the U-shaped cover (2) is separated from the stainless steel inner face by a thermally insulating material insert (3.1, 3.2).

Description

Die Erfindung betrifft einen plattenförmigen Formkörper zur Wärmeisolierung von Räumen, Behältern oder dergl. mit den im Oberbegriff des Anspruchs 1 angegebenen Merkmalen.The invention relates to a plate-shaped molded body for the thermal insulation of Rooms, containers or the like. With the specified in the preamble of claim 1 Characteristics.

Bei den Formkörpern dieser Art liegen die Profilschenkel und die zugehörigen Randbe­ reiche der Deckseiten bündig aneinander, so daß im Berührungsbereich der Profilschen­ kel mit den Deckseiten ein Wärmefluß aufgrund des unbehinderten Wärmeübergangs von der einen Fläche zu der anderen Fläche stattfindet. Der hierdurch bedingte Wärme­ verlust ist gegenüber dem relativ geringfügigen Wärmeverlust durch die Randverbindun­ gen erheblich. Um diese Unzuträglichkeit etwas auszugleichen, ist man gezwungen, die Wandstärke der Profile extrem gering zu halten, was wiederum eine aufwendige Querschnittsform der Profile erforderlich macht, um eine ausreichende Steifigkeit derselben gegen die durch das Vakuum im Inneren des Formkörpers bedingten äußeren Verformungskräften zu erzielen.In the molded bodies of this type, the profile legs and the associated edge are pass the deck sides flush with each other, so that in the contact area of the Profilschen kel with the deck sides a heat flow due to the unimpeded heat transfer from one surface to the other surface. The resulting heat loss is compared to the relatively minor heat loss due to the edge connection gene considerably. To compensate for this intolerance, one is forced to Keeping the wall thickness of the profiles extremely low, which in turn is an expensive process Cross-sectional shape of the profiles required to have sufficient rigidity the same against the external caused by the vacuum inside the molded body To achieve deformation forces.

Der Erfindung liegt die Aufgabe zugrunde, diese Mängel zu beseitigen oder zumindest zu verringern, und sie löst diese Aufgabe dadurch, daß zwischen die Profilschenkel und die anliegenden Randbereiche der Deckseiten jeweils ein dünnwandiger ringsumlaufen­ der Streifen aus wärmeisolierendem druckfestem Material eingefügt ist, der eine thermische Entkoppelung der beiden flächigen Teile bewirkt und damit auch die genann­ ten festigkeitsmäßigen Probleme durch die Wahl einer größeren Wandstärke und einfacher Profile, wie z. B. von U-Profilen, leichter beherrschbar macht.The invention has for its object to remedy these deficiencies or at least to reduce, and it solves this problem in that between the profile legs and the adjacent edge areas of the deck sides each run around a thin wall the strip of heat-insulating, pressure-resistant material is inserted, the one causes thermal decoupling of the two flat parts and thus also the genann ten strength problems by choosing a larger wall thickness and simple profiles, such as B. U-profiles, easier to control.

Gemäß der in dem Unteranspruch gekennzeichneten Ausführungsform bestehen die Streifen aus einem Geflecht von Glasfasern.According to the embodiment characterized in the dependent claim Strips of a network of glass fibers.

In der Zeichnung ist einer der Randbereiche des Gegenstandes der Erfindung in schema­ tischer Form im Schnitt dargestellt, und zwar In the drawing, one of the edge areas of the subject of the invention is in schematic table shape shown in section, namely  

in Fig. 1 vor Zusammenfügen der einzelnen Teile in distanzierter Lage,in Fig. 1 prior to assembly of the individual parts in a distanced position,

in Fig. 2 nach erfolgtem Zusammenfügen der einzelnen Teile, Einbringen der Füllung, Herstellen der Randverbindungen und Evakuieren des Formkörpers.in Fig. 2 after the individual parts have been assembled, the filling has been introduced, the edge connections have been made and the molded body has been evacuated.

In beiden Figuren sind mit 1.1, 1.2 und 2 Teile der Umhüllung eines plattenförmigen Formkörpers aus dünnwandigem metallischen Material, im vorliegenden Ausführungs­ beispiel aus Edelstahlblech, bezeichnet.In both figures, 1.1 , 1.2 and 2 parts of the envelope of a plate-shaped molded body made of thin-walled metallic material, in the present embodiment example made of stainless steel sheet.

In Fig. 1 sind diese Teile der Deutlichkeit wegen distanziert voneinander dargestellt, wobei erkennbar ist, daß die beiden Deckbleche 1.1 und 1.2 eben ausgebildet sind, während das ringsumlaufende Seitenblech 2 im wesentlichen als U-Profil gestaltet ist, derart, daß seine Schenkel 2.1 und 2.2 parallel zu den Deckblechen 1.1 und 1.2 verlaufen und die Randkanten der Schenkel mit den Randkanten der Deckbleche fluch­ ten. Mit 3.1 und 3.2 sind zwei ringsumlaufende Streifen aus wärmeisolierendem Material, im vorliegenden Ausführungsbeispiel aus einem Geflecht von Glasfasern, bezeichnet, die zwischen die Schenkel 2.1, 2.2 des U-Profils 2 und die Randbereiche der Deckbleche 1.1, 1.2 zu liegen kommen.In Fig. 1 these parts are shown distanced from each other for the sake of clarity, it being apparent that the two cover plates 1.1 and 1.2 are flat, while the circumferential side plate 2 is essentially designed as a U-profile, such that its legs 2.1 and 2.2 run parallel to the cover plates 1.1 and 1.2 and the edge edges of the legs are aligned with the edge edges of the cover plates. With 3.1 and 3.2 , two circumferential strips of heat-insulating material, in the present exemplary embodiment made of a mesh of glass fibers, are referred to, which are between the legs 2.1 , 2.2 of the U-profile 2 and the edge areas of the cover plates 1.1 , 1.2 come to rest.

Die Streifen 3.1, 3.2 sind so bemessen, daß sie der Länge der parallel verlaufenden Abschnitte zwischen U-Profil und Deckblechen entsprechen. In Fig. 2 sind die Teile nach Fig. 1 in zusammengefügtem Zustand dargestellt, wobei der Spaltraum zwischen Deckblechen und Streifen einerseits und Streifen und U-Profilschenkel andererseits geschlossen und die Randkanten der Deckbleche und Profilschenkel miteinander bei 4.1, 4.2 vakuumdicht verbunden, im vorliegenden Fall verschweißt, sind. Aus Fig. 2 ist ferner ersichtlich, daß nach Einbringen einer aus druckfestem porösem Wärmedämm­ stoff, im vorliegenden Ausführungsbeispiel aus verpreßten Mikroglasfasern bestehende Füllung 5 in den Formkörper und nach Evakuieren desselben über einen (nicht darge­ stellten) Evakuierungsstutzen die Streifen durch den äußeren Luftdruck zwischen die beiden sie begrenzenden Blechteile unverschieblich eingeklemmt werden, so daß eigene Befestigungsmittel für diese entbehrlich sind.The strips 3.1 , 3.2 are dimensioned so that they correspond to the length of the parallel sections between the U-profile and cover plates. In Fig. 2, the parts of Fig. 1 are shown in the assembled state, the gap between cover plates and strips on the one hand and strips and U-profile legs closed on the other and the edge edges of the cover plates and profile legs connected to each other at 4.1, 4.2 vacuum-tight, in the present case are welded. From Fig. 2 it can also be seen that after introducing a pressure-resistant porous thermal insulation material, in the present embodiment from compressed microglass fibers, filling 5 into the molded body and after evacuating the same via an (not shown) evacuation nozzle, the strips by the external air pressure between the two sheet metal parts delimiting them are clamped so that they cannot be fastened in their own way.

Claims (2)

1. Plattenförmiger Formkörper zur Wärmeisolierung von Räumen, Behältern oder dergl. mit einer dünnwandigen gasdichten Umhüllung, von der mindestens die Schmal­ seiten aus metallischem Material, vorzugsweise Edelstahl, bestehen und deren Innen­ raum evakuiert und mit einer Füllung aus druckfestem Wärmedämmstoff, vorzugsweise verpreßten Mikroglasfasern, versehen ist, wobei die Schmalseiten der Umhüllung als Profil, vorzugsweise als U-Profil, gestaltet sind, derart, daß die Profilschenkel parallel zu den Deckseiten verlaufen, und wobei die Randkanten der Deckseiten und der Profil­ schenkel miteinander gasdicht verbunden, vorzugsweise verschweißt sind, dadurch gekennzeichnet, daß zwischen die Profilschenkel (2.1, 2.2) und die anliegenden Randbe­ reiche der Deckseiten (1.1, 1.2) jeweils ein dünnwandiger ringsumlaufender Streifen (3.1, 3.2) aus wärmeisolierendem druckfestem Material eingefügt ist.1. Plate-shaped molded body for the thermal insulation of rooms, containers or the like. With a thin-walled gas-tight envelope, of which at least the narrow sides consist of metallic material, preferably stainless steel, and the interior of which is evacuated and filled with pressure-resistant thermal insulation material, preferably pressed microglass fibers, is provided, the narrow sides of the casing being designed as a profile, preferably as a U-shaped profile, in such a way that the profile legs run parallel to the cover sides, and wherein the edge edges of the cover sides and the profile legs are connected to one another in a gastight manner, preferably welded, thereby characterized in that a thin-walled all-round strip ( 3.1 , 3.2 ) made of heat-insulating, pressure-resistant material is inserted between the profile legs ( 2.1 , 2.2 ) and the adjacent edge areas of the cover sides ( 1.1 , 1.2 ). 2. Formkörper nach Anspruch 1, dadurch gekennzeichnet, daß die Streifen (3.1, 3.2) aus einem Geflecht von Glasfasern bestehen.2. Shaped body according to claim 1, characterized in that the strips ( 3.1 , 3.2 ) consist of a network of glass fibers.
DE19803908A 1998-02-02 1998-02-02 Evacuated thermal insulation panel with thermally insulated edges Ceased DE19803908A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19803908A DE19803908A1 (en) 1998-02-02 1998-02-02 Evacuated thermal insulation panel with thermally insulated edges

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19803908A DE19803908A1 (en) 1998-02-02 1998-02-02 Evacuated thermal insulation panel with thermally insulated edges

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Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10000260C1 (en) * 2000-01-06 2001-02-08 Thyssen Vakuum Isolationstechn Insulation body as a board or shell has outer metal sheet walls and inner foam insulation with shape stability and evacuated hollow zones with a heat-sealed edge sealing profile produced in a vacuum chamber
DE10015876A1 (en) * 2000-03-30 2001-10-11 Jobst H Kerspe Vacuum insulation panel for lining refrigerating units, cold storage rooms and similar items comprises cover foils which are welded to one another so that the panel contact edges are at least largely free from protrusions
DE10039158A1 (en) * 2000-08-05 2002-04-04 Wdi Elementbau Gmbh Insulation element for walls and ceilings etc comprises two plastics cover plates with insulation core and with angular strips with smooth fixing arms and profiled tongued and groove joining arms
WO2004001149A2 (en) 2002-06-24 2003-12-31 Sager Ag Vacuum insulation panel, method for the heat insulation of objects and auxiliary agent therefor
DE202006013562U1 (en) * 2006-09-01 2007-10-11 Porextherm-Dämmstoffe Gmbh Vacuum insulation panel with recess in the insulation support body
DE102007003962A1 (en) 2007-01-26 2008-07-31 Peter Wasseroth Sheet-edge bond for vacuum insulating glazing, which overstretches between glass panes in bent manner in cross section and closes in gas proof manner against outer atmosphere, has sheet bent, which is braced by beadings or shafts
EP2119840A2 (en) 2008-05-16 2009-11-18 Saint-Gobain Isover G+H Ag Insulation element and method for producing same
US7744982B2 (en) 2000-09-27 2010-06-29 Best Frederick G Edge insulation for vacuum insulation panels
EP2363337A1 (en) * 2010-03-02 2011-09-07 Ria Kaiser Assembly for a transport vehicle and refrigerated transport vehicle with such an assembly
DE102013005585A1 (en) * 2013-02-07 2014-08-07 Liebherr-Hausgeräte Lienz Gmbh Vakuumdämmkörper
CN106499072A (en) * 2014-09-02 2017-03-15 张家港市盛港防火板业科技有限公司 A kind of water-proof heat-insulating slab
EP3913307A1 (en) * 2015-08-03 2021-11-24 LG Electronics Inc. Vacuum adiabatic body and refrigerator
US11274785B2 (en) 2015-08-03 2022-03-15 Lg Electronics Inc. Vacuum adiabatic body and refrigerator
US11365931B2 (en) 2015-08-04 2022-06-21 Lg Electronics Inc. Vacuum adiabatic body and refrigerator
US11573048B2 (en) 2015-08-03 2023-02-07 Lg Electronics Inc. Vacuum adiabatic body and refrigerator
US11585591B2 (en) 2015-08-03 2023-02-21 Lg Electronics Inc. Vacuum adiabatic body and refrigerator
US11592230B2 (en) 2015-08-03 2023-02-28 Lg Electronics Inc. Vacuum adiabatic body and refrigerator
US11598573B2 (en) 2015-08-03 2023-03-07 Lg Electronics Inc. Vacuum adiabatic body and refrigerator
US11796246B2 (en) 2015-08-03 2023-10-24 Lg Electronics Inc. Vacuum adiabatic body, fabrication method for the vacuum adiabatic body, porous substance package, and refrigerator
US11920858B2 (en) 2015-08-03 2024-03-05 Lg Electronics Inc. Vacuum adiabatic body and refrigerator
US11920857B2 (en) 2015-08-03 2024-03-05 Lg Electronics Inc. Vacuum adiabatic body and refrigerator
US11927386B2 (en) 2015-08-03 2024-03-12 Lg Electronics Inc. Vacuum adiabatic body and refrigerator

Cited By (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10000260C1 (en) * 2000-01-06 2001-02-08 Thyssen Vakuum Isolationstechn Insulation body as a board or shell has outer metal sheet walls and inner foam insulation with shape stability and evacuated hollow zones with a heat-sealed edge sealing profile produced in a vacuum chamber
EP1114960A2 (en) * 2000-01-06 2001-07-11 Thyssen Vakuum-Isolationstechnik GmbH Doublewalled insulating element and method of manufacturing the same
EP1114960A3 (en) * 2000-01-06 2003-01-15 Thyssen Vakuum-Isolationstechnik GmbH Doublewalled insulating element and method of manufacturing the same
DE10015876A1 (en) * 2000-03-30 2001-10-11 Jobst H Kerspe Vacuum insulation panel for lining refrigerating units, cold storage rooms and similar items comprises cover foils which are welded to one another so that the panel contact edges are at least largely free from protrusions
DE10039158A1 (en) * 2000-08-05 2002-04-04 Wdi Elementbau Gmbh Insulation element for walls and ceilings etc comprises two plastics cover plates with insulation core and with angular strips with smooth fixing arms and profiled tongued and groove joining arms
US7744982B2 (en) 2000-09-27 2010-06-29 Best Frederick G Edge insulation for vacuum insulation panels
WO2004001149A2 (en) 2002-06-24 2003-12-31 Sager Ag Vacuum insulation panel, method for the heat insulation of objects and auxiliary agent therefor
DE202006013562U1 (en) * 2006-09-01 2007-10-11 Porextherm-Dämmstoffe Gmbh Vacuum insulation panel with recess in the insulation support body
DE102007003962A1 (en) 2007-01-26 2008-07-31 Peter Wasseroth Sheet-edge bond for vacuum insulating glazing, which overstretches between glass panes in bent manner in cross section and closes in gas proof manner against outer atmosphere, has sheet bent, which is braced by beadings or shafts
EP2119840A2 (en) 2008-05-16 2009-11-18 Saint-Gobain Isover G+H Ag Insulation element and method for producing same
DE102008023870A1 (en) 2008-05-16 2009-11-19 Saint-Gobain Isover G+H Ag Insulation element and method for producing the Dämmelements
EP2363337A1 (en) * 2010-03-02 2011-09-07 Ria Kaiser Assembly for a transport vehicle and refrigerated transport vehicle with such an assembly
US10088221B2 (en) 2013-02-07 2018-10-02 Liebherr-Hausgeräte Lienz Gmbh Vacuum insulation body
DE102013005585A1 (en) * 2013-02-07 2014-08-07 Liebherr-Hausgeräte Lienz Gmbh Vakuumdämmkörper
CN106499072A (en) * 2014-09-02 2017-03-15 张家港市盛港防火板业科技有限公司 A kind of water-proof heat-insulating slab
CN106499072B (en) * 2014-09-02 2018-12-21 张家港市盛港防火板业科技有限公司 A kind of water-proof heat-insulating slab
US11573048B2 (en) 2015-08-03 2023-02-07 Lg Electronics Inc. Vacuum adiabatic body and refrigerator
US11274785B2 (en) 2015-08-03 2022-03-15 Lg Electronics Inc. Vacuum adiabatic body and refrigerator
EP3913307A1 (en) * 2015-08-03 2021-11-24 LG Electronics Inc. Vacuum adiabatic body and refrigerator
US11585591B2 (en) 2015-08-03 2023-02-21 Lg Electronics Inc. Vacuum adiabatic body and refrigerator
US11592230B2 (en) 2015-08-03 2023-02-28 Lg Electronics Inc. Vacuum adiabatic body and refrigerator
US11598573B2 (en) 2015-08-03 2023-03-07 Lg Electronics Inc. Vacuum adiabatic body and refrigerator
US11796246B2 (en) 2015-08-03 2023-10-24 Lg Electronics Inc. Vacuum adiabatic body, fabrication method for the vacuum adiabatic body, porous substance package, and refrigerator
US11920858B2 (en) 2015-08-03 2024-03-05 Lg Electronics Inc. Vacuum adiabatic body and refrigerator
US11920723B2 (en) 2015-08-03 2024-03-05 Lg Electronics Inc. Vacuum adiabatic body and refrigerator
US11920857B2 (en) 2015-08-03 2024-03-05 Lg Electronics Inc. Vacuum adiabatic body and refrigerator
US11927386B2 (en) 2015-08-03 2024-03-12 Lg Electronics Inc. Vacuum adiabatic body and refrigerator
US11365931B2 (en) 2015-08-04 2022-06-21 Lg Electronics Inc. Vacuum adiabatic body and refrigerator

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Owner name: THYSSENKRUPP TEMPSAFE GMBH, 26725 EMDEN, DE

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