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DE202007004110U1 - Heated vertical blind for use at door opening, has heating wires that are fused into polyvinyl chloride lamellae and connection wires that are extracted from lamellae for electrical connection of heating loops - Google Patents

Heated vertical blind for use at door opening, has heating wires that are fused into polyvinyl chloride lamellae and connection wires that are extracted from lamellae for electrical connection of heating loops Download PDF

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Publication number
DE202007004110U1
DE202007004110U1 DE200720004110 DE202007004110U DE202007004110U1 DE 202007004110 U1 DE202007004110 U1 DE 202007004110U1 DE 200720004110 DE200720004110 DE 200720004110 DE 202007004110 U DE202007004110 U DE 202007004110U DE 202007004110 U1 DE202007004110 U1 DE 202007004110U1
Authority
DE
Germany
Prior art keywords
lamellae
wires
heating
heated
connection
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.)
Expired - Lifetime
Application number
DE200720004110
Other languages
German (de)
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.)
WELITA WAERME ELEKTRO und LICH
Welita Warme- Elektro- und Lichttechnische Anlagen GmbH
Original Assignee
WELITA WAERME ELEKTRO und LICH
Welita Warme- Elektro- und Lichttechnische Anlagen GmbH
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 WELITA WAERME ELEKTRO und LICH, Welita Warme- Elektro- und Lichttechnische Anlagen GmbH filed Critical WELITA WAERME ELEKTRO und LICH
Priority to DE200720004110 priority Critical patent/DE202007004110U1/en
Publication of DE202007004110U1 publication Critical patent/DE202007004110U1/en
Priority to DE102008014014A priority patent/DE102008014014B4/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
    • E06B9/26—Lamellar or like blinds, e.g. venetian blinds
    • E06B9/38—Other details
    • E06B9/386—Details of lamellae
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/70—Door leaves
    • E06B3/80—Door leaves flexible
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/20—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater
    • H05B3/22—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible
    • H05B3/28—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible heating conductor embedded in insulating material
    • H05B3/286—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible heating conductor embedded in insulating material the insulating material being an organic material, e.g. plastic
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/20—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater
    • H05B3/34—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater flexible, e.g. heating nets or webs
    • H05B3/36—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater flexible, e.g. heating nets or webs heating conductor embedded in insulating material
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/014—Heaters using resistive wires or cables not provided for in H05B3/54
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/022—Heaters specially adapted for heating gaseous material

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Architecture (AREA)
  • Refrigerator Housings (AREA)
  • Curtains And Furnishings For Windows Or Doors (AREA)

Abstract

The blind has heating wires (1) that are fused into polyvinyl chloride (PVC) lamellae. Connection wires (2) are extracted from the PVC lamellae for electrical connection of heating loops. The length of the blind is formed in such a manner that openings are formed in upper and lower regions of the blind. The openings bring about a thermal air flow to the upper surface of the blind.

Description

Der Ausgangspunkt dieser Idee ist ein physikalischer Vorgang an den Toröffnungen der Tiefkühlräume. Da bekanntlich Kaltluftmoleküle schwerer sind als Warmluftmoleküle erzeugen diese einen höheren Druck, der bei geöffneten Toren Kaltluft in großen Mengen aus dem tiefgekühlten Raum entweichen lässt. Um die damit einhergehenden hohen Energieverluste zu reduzieren, müssen Maßnahmen ergriffen werden, die das Entweichen der Kaltluft an der Toröffnung verringern. Stand der Technik sind Lamellenvorhänge aus PVC, die im Innenbereich des Tiefkühlraumes montiert als zweiter Torabschluss verwendet werden. Der Nachteil dieser Innenraummontage ist, dass die PVC-Lamellen infolge der Kältebeaufschlagung ihre Elastizität verlieren und sich durch den Kontakt mit der feuchten Warmluft eine Eisschicht auf ihnen bildet.Of the The starting point of this idea is a physical process to the door openings the freezer rooms. There known cold air molecules are heavier than warm air molecules these generate a higher one Pressure when open Gates cold air in large Quantities from the frozen Room can escape. To reduce the associated high energy losses, have to activities be taken, which reduce the escape of cold air at the door opening. The state of the art are PVC sash curtains that are used indoors of the freezer room mounted to be used as second Torabschluss. The disadvantage This interior installation is that the PVC slats due to the cold their elasticity lose and get in contact with the moist warm air Ice layer forms on them.

Für die Gabelstaplerfahrer bedeutet das eine Sichtbehinderung, und somit ein erhöhtes Gefährdungspotenzial für das Personal und der Ware, sowie Probleme mit den steifen Lamellen beim Durchfahren.For the forklift driver This means a visual obstruction, and thus an increased risk potential for the Staff and the goods, as well as problems with the stiff slats when By driving.

Die Behebung dieses Gefährdungspotenzials und der Transportprobleme erfolgt durch den Einbau von Heizdrähte in die Lamellen. Dieser beheizter Lamellenvorhang wird vor dem Eingangstor des Tiefkühlraumes montiert.The Elimination of this hazard potential and the transport problems is due to the installation of heating wires in the Lamellae. This heated louvered curtain is in front of the entrance gate of the freezer room assembled.

Durch die Beheizung der Lamellen auf eine Temperatur zwischen der des Tiefkühlraumes und der des Vorraumes wird eine mittlere Temperatur an der Wärmeübertragungsfläche des Lamellenvorhangs eingestellt, die einerseits den Temperaturabstand Lamelle-Innenraum und Lamelle-Außenbereich verringert und so den Wärmeübergang begrenzt. Gleichzeitig stellt sich eine zusätzlich isolierende laminare Wärmeströmung an den Lamellenoberflächen ein, die schlussendlich verhindert, dass die Lamellen nicht mit der vollen Kälte des Tiefkühlraumes beaufschlagt werden, welches ebenfalls zu einer Energieeinsparung führt. Die aufsteigende erwärmte Luft an den Lamellen wird nach außerhalb des Tiefkühlraumes abgeführt.By the heating of the slats to a temperature between the Freezer space and that of the vestibule becomes an average temperature at the heat transfer surface of the Lamella curtain set, on the one hand the temperature difference Slats interior and slats exterior reduced and so on the heat transfer limited. At the same time there is an additional insulating laminar Heat flow on the lamellar surfaces one that ultimately prevents the slats from interfering with the full cold of the freezer room be charged, which also contributes to energy savings leads. The ascending warmed up Air at the fins is outside the freezer room dissipated.

Die elektrische Energieversorgung der in den Lamellen eingegossenen Heizdrähte erfolgt über einen Transformator mit galvanisch getrennten Wicklungen. Die Einschaltung der Lamellenbeheizung erfolgt durch das Öffnen des Tores. Die Beheizung der Lamellen wird nach einer Verschlusszeit des Tores von 15 Minuten automatisch abgeschaltet.The electrical power supply of cast in the slats heating wires done via a Transformer with galvanically isolated windings. The activation The slat heating is done by opening the door. The heating the fins will after a shutter 15 minutes automatically shut off.

Ein Ausführungsbeispiel wird anhand der 1–3 erläutertAn embodiment will be described with reference to 1 - 3 explained

Es zeigen:It demonstrate:

1 und 2 den konstruktiven Einbau der elektrischen Heizdrähte in die Lamellen und den potenzialfreien Anschluss. 1 and 2 the structural installation of the electric heating wires in the slats and the potential-free connection.

3 Die Wirkungsweise des beheizten Lamellenvorhangs durch die Luftspalten im unteren und oberen Bereich. 3 The effect of the heated louvre curtain through the air gaps in the lower and upper area.

Claims (4)

Beheizter Lamellenvorhang Anspruch dadurch gekennzeichnet, dass in den PVC Lamellen Heizdrähte (1) mit eingegossen werden.Heated lamellae claim characterized in that in the PVC slats heating wires ( 1 ) are poured with. Beheizter Lamellenvorhang Anspruchnach 1 und 2 dadurch gekennzeichnet, dass für den elektrischen Anschluss der Heizschleife Anschlussdrähte (2) aus der Lamelle gezogen werden.Heated lamellar curtain according to claim 1 and 2, characterized in that for the electrical connection of the heating loop connecting wires ( 2 ) are pulled out of the lamella. Beheizter Lamellenvorhang Anspruch nach 1, 2 und 3 dadurch gekennzeichnet, dass die Stromversorgung über einen Trenntrafo (3) oder Sicherheitskleinspannung erfolgt, und nur im Zeitbereich der Toröffnungen eingeschaltet wird.Heated lamellae claim according to 1, 2 and 3, characterized in that the power supply via a isolation transformer ( 3 ) or safety extra-low voltage, and is switched on only in the time range of the door openings. Beheizter Lamellenvorhang Anspruchnach 1, 2, 3 und 4 dadurch gekennzeichnet, dass die Länge des Vorhanges so ausgebildet ist, das im oberen und unteren Bereich (4) Öffnungen sind, die eine thermische Luftströmung an der Oberfläche des Vorhanges bewirken.Heated lamellae claim according to 1, 2, 3 and 4 characterized in that the length of the curtain is formed in the upper and lower area ( 4 ) Are openings that cause a thermal flow of air at the surface of the curtain.
DE200720004110 2007-03-16 2007-03-16 Heated vertical blind for use at door opening, has heating wires that are fused into polyvinyl chloride lamellae and connection wires that are extracted from lamellae for electrical connection of heating loops Expired - Lifetime DE202007004110U1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE200720004110 DE202007004110U1 (en) 2007-03-16 2007-03-16 Heated vertical blind for use at door opening, has heating wires that are fused into polyvinyl chloride lamellae and connection wires that are extracted from lamellae for electrical connection of heating loops
DE102008014014A DE102008014014B4 (en) 2007-03-16 2008-03-13 Through a high-speed door associated with it lamellae curtain to be closed access to a freezer compartment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200720004110 DE202007004110U1 (en) 2007-03-16 2007-03-16 Heated vertical blind for use at door opening, has heating wires that are fused into polyvinyl chloride lamellae and connection wires that are extracted from lamellae for electrical connection of heating loops

Publications (1)

Publication Number Publication Date
DE202007004110U1 true DE202007004110U1 (en) 2007-06-21

Family

ID=38220194

Family Applications (2)

Application Number Title Priority Date Filing Date
DE200720004110 Expired - Lifetime DE202007004110U1 (en) 2007-03-16 2007-03-16 Heated vertical blind for use at door opening, has heating wires that are fused into polyvinyl chloride lamellae and connection wires that are extracted from lamellae for electrical connection of heating loops
DE102008014014A Expired - Fee Related DE102008014014B4 (en) 2007-03-16 2008-03-13 Through a high-speed door associated with it lamellae curtain to be closed access to a freezer compartment

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE102008014014A Expired - Fee Related DE102008014014B4 (en) 2007-03-16 2008-03-13 Through a high-speed door associated with it lamellae curtain to be closed access to a freezer compartment

Country Status (1)

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DE (2) DE202007004110U1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010020693A1 (en) 2010-05-17 2011-11-17 Troodon Torsysteme Gmbh Gate for closing an opening in a wall

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US31328A (en) 1861-02-05 Straw-cutter
GB105807A (en) * 1916-05-10 1917-05-03 Hugh Monckton Improvements in Refrigerators.
USRE31328E (en) * 1979-02-16 1983-08-02 Refrigeration insulation panel and structure
DE3422790A1 (en) * 1984-06-20 1986-01-02 Winfried H. 5342 Rheinbreitbach Eming Cooling room lock
FR2587754B1 (en) * 1985-09-25 1988-06-10 Kraeutler Bernard SIDE GUIDE FOR ACCORDION DOOR EXPOSED TO COLD
US5450890A (en) * 1993-10-01 1995-09-19 Rite-Hite Corporation Roll-up strip curtain barrier apparatus
US5544690A (en) * 1994-05-11 1996-08-13 Magro; Sebastian Roll-up door provided with thermal protection means and a direct drive gearing arrangement
DE19625215C2 (en) * 1996-06-25 2001-05-03 Cardo Door Continental B V Rapid roll-up door for cold stores
DE29821157U1 (en) * 1998-11-26 2000-03-30 PVM GmbH, 45478 Mülheim Cold lock for closing and opening a cold room
ES2166246B1 (en) * 1999-02-09 2003-10-16 Ballester Miguel Ange Iglesias CLOSURE SYSTEM FOR REFRIGERATING CAMERAS.
DE20005267U1 (en) * 2000-03-22 2000-07-20 Lamsfuss, Norbert, 53604 Bad Honnef Lift gate, especially sectional gate
DE10149802A1 (en) * 2001-10-09 2003-04-10 Efaflex Tor & Sicherheitssys Door opening has two separately movable door leaves with intervening air pad and temporary closure piece
GB0200360D0 (en) * 2002-01-09 2002-02-20 Schofield Christine I Thermally insulated door for controlling access to a refrigerated storage space
DE10327339B4 (en) * 2003-06-16 2006-07-27 Joachim Weber Gate for cold rooms
DE202006019833U1 (en) * 2006-03-13 2007-06-28 Weber, Joachim Sectional door for a deep freeze store comprises sections with each second neighboring section pivoting about a pivoting axle, covering plates partially forming a front side and a rear side of the door and a heating arrangement

Also Published As

Publication number Publication date
DE102008014014A1 (en) 2008-09-18
DE102008014014B4 (en) 2012-08-02

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Legal Events

Date Code Title Description
R086 Non-binding declaration of licensing interest
R207 Utility model specification

Effective date: 20070726

R156 Lapse of ip right after 3 years

Effective date: 20101001