EP1455144A1 - Grille de ventilation - Google Patents

Grille de ventilation Download PDF

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Publication number
EP1455144A1
EP1455144A1 EP04003569A EP04003569A EP1455144A1 EP 1455144 A1 EP1455144 A1 EP 1455144A1 EP 04003569 A EP04003569 A EP 04003569A EP 04003569 A EP04003569 A EP 04003569A EP 1455144 A1 EP1455144 A1 EP 1455144A1
Authority
EP
European Patent Office
Prior art keywords
ventilation grille
grille according
perforated
air
ventilation
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.)
Granted
Application number
EP04003569A
Other languages
German (de)
English (en)
Other versions
EP1455144B1 (fr
Inventor
Matthias Hermann
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.)
Uebigauer Elektro- und Schaltanlagen UESA GmbH
Original Assignee
Uebigauer Elektro- und Schaltanlagen UESA 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 Uebigauer Elektro- und Schaltanlagen UESA GmbH filed Critical Uebigauer Elektro- und Schaltanlagen UESA GmbH
Publication of EP1455144A1 publication Critical patent/EP1455144A1/fr
Application granted granted Critical
Publication of EP1455144B1 publication Critical patent/EP1455144B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/082—Grilles, registers or guards
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F17/00—Vertical ducts; Channels, e.g. for drainage
    • E04F17/04—Air-ducts or air channels

Definitions

  • the invention relates to a ventilation grille, preferably on transformer and switchgear, Air conditioning and filter systems as well as vehicle systems to be ventilated, which in the External walls of a housing, building, an enclosure or the like can be arranged.
  • Ventilation grilles are known. In this case, for example, folding grilles are also used various applications and users for years. It is still known, a perforated plate with specially arranged openings through pressing from folds to form a lamellar grid. Here are water-repellent Surfaces provided that have no perforations and air-permeable Areas with perforations. The air-permeable areas are in the water-protected Areas provided. Depending on the application, the breathable Areas with regard to the open cross-section are changed. These well-known Ventilation grilles have various disadvantages that affect the area of application limit significantly.
  • the object of the invention is to provide a ventilation grille that is easy and reasonable cost to manufacture and at the same time the previously described disadvantages of known solutions are eliminated.
  • the invention is based on the prior art described above and proposes a ventilation grille to solve the task, preferably on transformer and switchgear, air conditioning and filter systems as well as vehicle systems to be ventilated, before that in the outer walls of an enclosure, building, an enclosure or the like can be arranged or used, formed from one to one Lamellar lattice pressed perforated plate, in particular a folded perforated plate, with at least one air-permeable area, which is characterized by that a double-shell design of the grid area is provided and at least two fold perforated sheets viewed in cross section one behind the other, in particular spaced from one another, forming a common element are.
  • the double-shell design also makes a number of special ones Advantages over the solutions known from the prior art achieved. This is what is required for ventilation grilles, especially in the area of electrical systems Punch safety achieved, because of the double-shell design, the poking is no longer possible.
  • the wire or pointed object is at the Puncture the front shell for an obstacle, namely the second shell hit, so that a further puncture is not possible.
  • the wire, object or the like is between the two shells up, down or distracted to the side. This is a puncture of the inner or rear Shell or the rear perforated plate is no longer possible.
  • the double-shell training also forms a much better one Protection against rain, driving rain, snow or rain.
  • the moisture can initially run off on the outer shell. Possibly However, entering water or moisture can both on the Inside of the outer shell as well as on the inside and outside of the inner shell run down easily and through arranged in the lower area Drainage openings can be derived, for example.
  • Drainage openings can be derived, for example.
  • the double-shell design of the ventilation grille only low amounts of moisture between the two shells, they can Moisture droplets adhere to the grid material due to the adhesion and after drain or evaporate below.
  • This positive and desired property works even in the event of condensation, caused by temperature fluctuations, as they occur naturally, or by turning on and off temperature fluctuations occurring in the systems. For example, it can condensation can form after a transformer station has been switched off for a long time, when it is put back into operation. The transformer or transformers will be there warms up faster than the casing, building or housing.
  • Incoming dust settles between the two shells of the grille and falls down due to gravity. There he can, together with possibly to be derived Moisture is discharged to the outside via the drainage facilities become. This prevents dust from entering the interior of the housing, building or the like is significantly reduced, so that the cleaning cycles are extended be or can be omitted entirely.
  • Ventilation grilles in electrical systems for example in transformer stations also have a high stability in order to avoid malfunctions or accidents absorb high pressures without being destroyed.
  • a double-shell education is an advantage because it is better able to handle such loads intercept safely.
  • the double-shell design also has the advantage that depending on the application the required proportion of air-permeable areas can be varied very easily, without compromising puncture resistance and the stability of the or the grid.
  • the invention is also characterized in that that at least two corrugated perforated sheets viewed in cross section one behind the other, in particular spaced from one another, forming a common element are.
  • this involves special training of the double-shell element, which consists of prefabricated perforated sheets special folding and folding can be obtained.
  • This execution leads also to improve the manufacturing process for the invention Ventilation grille. This will be described in more detail later.
  • the at least two corrugated perforated sheets were obtained from single folded perforated sheets and are connected to one another by connecting means.
  • the connection is easier Shape by means of an appropriately selected bevel with a positive connection possible at least in the upper and lower area.
  • connections possible for example gluing, welding, preferably Spot welding, screwing, soldering or the like.
  • Another aspect of the invention is indicated in that the at least two corrugated perforated sheets by cutting and folding from a single element were obtained.
  • This variant is particularly inexpensive to manufacture, has very good stability and high variability with regard to the possible designs. With correspondingly existing tools, the manufacture is quite not expensive.
  • the area of application of the ventilation grilles produced is extreme universal.
  • the material forming the corrugated perforated sheets is made of Endless or strand or plate material by cutting, cutting or the like was obtained. This is a problem with the corresponding production quantities further improve the manufacturing process.
  • end-side closure plates are provided that are attached to Different sizes adjustable, designed to surround or enclose the grille are. So it is possible, for example, to determine the front closing plates Keep stock sizes in order not to be tied to specific manufacturing dimensions to be.
  • a ventilation grille which is characterized in that the air-permeable area (s) is / are designed as areas provided with perforations.
  • the perforations are variable in their size, shape and arrangement and quite cheap Get punching for example.
  • Another aspect of the invention is indicated in that the at least two corrugated perforated sheets by cutting and folding from a single element were obtained.
  • This variant is particularly inexpensive to manufacture, has very good stability and high variability with regard to the possible designs. With correspondingly existing tools, the manufacture is quite not expensive.
  • the area of application of the ventilation grilles produced is extreme universal.
  • the material forming the corrugated perforated sheets is made of Endless or strand or plate material by cutting, cutting or the like was obtained. This is a problem with the corresponding production quantities further improve the manufacturing process.
  • end-side closure plates are provided that are attached to Different sizes adjustable, designed to surround or enclose the grille are. So it is possible, for example, to determine the front closing plates Keep stock sizes in order not to be tied to specific manufacturing dimensions to be.
  • a ventilation grille which is characterized in that the air-permeable area (s) is / are designed as areas provided with perforations.
  • the perforations are variable in their size, shape and arrangement and quite cheap Get punching for example.
  • the perforations the size or diameter of the air-permeable area (s) variable, according to the different according to the purpose in the event of faults or breakdowns, those to be expected inside the housing Pressures or gas flows are adaptable to them.
  • the sheet thicknesses intended is also an adjustment in this regard by varying the sheet thicknesses intended.
  • the opening or openings have a rectangular, have a square, oval, round or polygonal shape. Also the number and size of the breakthroughs depends on the respective application very universal and not limited to a few sizes and shapes.
  • Another aspect of the invention is indicated in that the air-permeable Areas of the corrugated perforated plates arranged one behind the other are offset from one another are arranged. This offset increases the water or moisture repellency Properties of the ventilation grille according to the invention further. Also the This arrangement further reduces dust permeability.
  • water-protected areas are provided at least on the rear or inner corrugated perforated plate. This can also be formed on the front or outer perforated sheet metal.
  • the moisture that is deposited on the perforated sheets is caused by the Elasticity of the same or the adhesion to the perforated sheet metal is kept and passes along the sheets to the lower area, where it is discharged to the outside becomes.
  • a feed edge at least in the lower area of the ventilation grille or in or on the frame is provided, which has outward-facing drainage openings, about the possibly entering water and / or condensation water to the outside is derived. It is advantageous if the drainage openings are designed as so-called gill openings.
  • a cleaning device is provided which is preferably arranged between the two perforated sheets.
  • the cleaning device is designed such that it is pneumatic, hydraulically or mechanically cleaned.
  • various cleaning devices intended can, for example, as a spray device in the form of a Spray bar can be formed. This is advantageously in the upper area of the grid between the two perforated sheets. It is possible also to provide a nozzle arrangement which can be acted upon by compressed air and which has a Cleaning with compressed air enables. Scraper devices are also advantageous can be arranged between the perforated sheets. Also with cleaning brushes provided cleaning devices are according to the invention between the corrugated perforated sheets to arrange movable.
  • a further development of the ventilation grille according to the invention is characterized by this from that an insect protection or protection against small organisms penetrating into the interior is provided on or in the grid.
  • the insect protection or protection against small organisms penetrating into the interior is according to a development of the invention by the choice of size the perforations, at least the rear perforated plate guaranteed.
  • the invention also provides a system of ventilation grilles or for the production of Ventilation grilles of different sizes, especially after one or more of the training courses described above, consisting of endless or strand material for corrugated perforated sheets with different sizes of air-permeable Areas and breakthroughs, face plates as Continuous or strand material or prefabricated for certain sizes, insect protection devices or protective devices to prevent intrusion of small organisms and various cleaning devices. That is it the manufacturer or supplier of the ventilation grille possible, all system components to produce or keep in stock to order certain sizes quickly assemble them according to the requirements and to deliver
  • the invention also relates to a transformer or switchgear, air conditioning or filter system as well as vehicle system to be ventilated with a ventilation grille after one or several of the training courses described above.
  • the method according to the invention is of course also with sheet material for Perforated perforated sheets available as single sheets.
  • the plates are cut to the appropriate dimensions, folded and then placed on top of one another and with connecting means, e.g. Spot welding, so connected that the two plates are spaced apart and the air-permeable areas are offset from one another.
  • connecting means e.g. Spot welding
  • FIG. 1 a, 1b and 1 c each show a section through different embodiments of the ventilation grille according to the invention.
  • the front or outer corrugated perforated sheet is designated
  • the reference number 2 affects the rear or inner perforated sheet.
  • the two corrugated perforated sheets 1 and 2 are by means of connecting means 10, in the exemplary embodiment with spot welding connections connected.
  • the ventilation grille is surrounded by a frame 8.
  • Air-permeable areas 4 are arranged in the front perforated sheet 1. Some of these air-permeable areas can be designed as an opening 5. All air-permeable areas of the front corrugated perforated plate 1 can also be used be designed as an opening 5.
  • the Figures 1a and 1b differ only in the different Formation of the feed edge 6.
  • the folds are preferably designed as V-lamellae, as these can withstand the explosion pressure or resist particularly effectively an implosion pressure. This is possible, for example also in that the lamellae are compressed by the pressure that occurs are, but thereby represent a greater resistance.
  • FIG. 2 shows a front view of the ventilation grille according to the invention.
  • the Representation is cut on one side, so that both the front perforated sheet 1, as well as the rear perforated sheet 2 are visible.
  • the already based the reference numerals described in FIG. 1 were used identically in FIG. 2, so that there is no renewed performance.
  • FIG. 3 shows a detailed view of an air-permeable area with perforations, which are designed as a hexagon.
  • the size of the perforations is so chosen so that insects cannot pass through them. Also the size of the perforations depending on the expected explosion pressure inside the system when an accident occurs.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Air-Flow Control Members (AREA)
  • Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
  • Liquid Carbonaceous Fuels (AREA)
  • Storage Of Fruits Or Vegetables (AREA)
EP04003569A 2003-03-07 2004-02-18 Grille de ventilation Expired - Lifetime EP1455144B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE20303783U 2003-03-07
DE20303783U DE20303783U1 (de) 2003-03-07 2003-03-07 Lüftungsgitter

Publications (2)

Publication Number Publication Date
EP1455144A1 true EP1455144A1 (fr) 2004-09-08
EP1455144B1 EP1455144B1 (fr) 2006-12-27

Family

ID=28799134

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04003569A Expired - Lifetime EP1455144B1 (fr) 2003-03-07 2004-02-18 Grille de ventilation

Country Status (4)

Country Link
EP (1) EP1455144B1 (fr)
AT (1) ATE349659T1 (fr)
DE (2) DE20303783U1 (fr)
PL (1) PL365809A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111156633A (zh) * 2020-02-12 2020-05-15 南通市第一人民医院 一种洁净用新风系统及其使用方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3302554A (en) * 1965-01-05 1967-02-07 Leslie Welding Co Inc One piece louver unit
AU453831B2 (en) * 1971-03-23 1974-09-26 Turco Industries Pty. Ltd Improvements in and relating to ventilators
EP0501840A2 (fr) * 1991-03-01 1992-09-02 H.H. Robertson (U.K.) Limited Mur de ventilation
US5349799A (en) * 1993-08-25 1994-09-27 Mid-America Building Products Corporation Plastic gable vent
DE19729015A1 (de) * 1997-07-02 1999-01-07 Karl Kern Verkleidungsblech und Verfahren zu seier Herstellung
US6138424A (en) * 1998-07-28 2000-10-31 Beutler Heating & Air Conditioning Vent apparatus for attachment to a building structure

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1187357B (de) 1961-07-31 1965-02-18 Korrokunststoff Korrossionstec Duesenluftgitter fuer Zu- bzw. Abluft
DE1975409U (de) 1967-05-13 1967-12-21 Karl Troyer Einbaueinheit fuer fenster, waende od. dgl. zum be- und entlueften von raeumen.
DE10031420C2 (de) 2000-06-28 2003-04-17 Damgartener Tischler Gmbh Fenster mit Lüftungseinrichtung

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3302554A (en) * 1965-01-05 1967-02-07 Leslie Welding Co Inc One piece louver unit
AU453831B2 (en) * 1971-03-23 1974-09-26 Turco Industries Pty. Ltd Improvements in and relating to ventilators
EP0501840A2 (fr) * 1991-03-01 1992-09-02 H.H. Robertson (U.K.) Limited Mur de ventilation
US5349799A (en) * 1993-08-25 1994-09-27 Mid-America Building Products Corporation Plastic gable vent
DE19729015A1 (de) * 1997-07-02 1999-01-07 Karl Kern Verkleidungsblech und Verfahren zu seier Herstellung
US6138424A (en) * 1998-07-28 2000-10-31 Beutler Heating & Air Conditioning Vent apparatus for attachment to a building structure

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111156633A (zh) * 2020-02-12 2020-05-15 南通市第一人民医院 一种洁净用新风系统及其使用方法
CN111156633B (zh) * 2020-02-12 2024-02-20 南通市第一人民医院 一种洁净用新风系统及其使用方法

Also Published As

Publication number Publication date
PL365809A1 (en) 2004-09-20
ATE349659T1 (de) 2007-01-15
DE502004002411D1 (de) 2007-02-08
EP1455144B1 (fr) 2006-12-27
DE20303783U1 (de) 2003-10-02

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