EP2851625A1 - Agencement de ventilation d'une pièce, en particulier un laboratoire - Google Patents

Agencement de ventilation d'une pièce, en particulier un laboratoire Download PDF

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Publication number
EP2851625A1
EP2851625A1 EP20140002405 EP14002405A EP2851625A1 EP 2851625 A1 EP2851625 A1 EP 2851625A1 EP 20140002405 EP20140002405 EP 20140002405 EP 14002405 A EP14002405 A EP 14002405A EP 2851625 A1 EP2851625 A1 EP 2851625A1
Authority
EP
European Patent Office
Prior art keywords
air
area
room
slot
opening
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
EP20140002405
Other languages
German (de)
English (en)
Other versions
EP2851625B1 (fr
Inventor
Hansjörg Lüdi
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.)
LUEDI & CO AG H
H LUEDI and CO AG
Original Assignee
LUEDI & CO AG H
H LUEDI and CO AG
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 LUEDI & CO AG H, H LUEDI and CO AG filed Critical LUEDI & CO AG H
Publication of EP2851625A1 publication Critical patent/EP2851625A1/fr
Application granted granted Critical
Publication of EP2851625B1 publication Critical patent/EP2851625B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F24F7/00—Ventilation
    • F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
    • F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
    • F24F7/08—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit with separate ducts for supplied and exhausted air with provisions for reversal of the input and output systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00—Ventilation
    • F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L9/00—Supporting devices; Holding devices
    • B01L9/02—Laboratory benches or tables; Fittings therefor
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B37/00—Tables adapted for other particular purposes
    • A47B2037/005—Tables specially adapted for laboratories
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B2200/00—General construction of tables or desks
    • A47B2200/06—Desks with inlet and evacuation of air
    • 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
    • F24F13/02—Ducting arrangements
    • F24F13/06—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser
    • F24F2013/0616—Outlets that have intake openings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2221/00—Details or features not otherwise provided for
    • F24F2221/10—Details or features not otherwise provided for combined with, or integrated in, furniture

Definitions

  • the invention relates to an arrangement for ventilating a room, in particular a laboratory room, according to the preamble of claim 1.
  • an arrangement for ventilating a laboratory space which has a passage area which is bounded on both sides by work tables.
  • fresh air is introduced into the space via a supply air duct which is arranged above the passage area and comprises two lateral air supply sections which extend along the passage area and which each have a plurality of circular air outlet openings from which the supply air exits laterally in the direction of the work tables is sucked off again via an exhaust duct arranged above it, which has two slit-like suction openings extending substantially parallel to the supply air duct, which are arranged in the area of the ceiling of the room such that an air roll forms on both sides of the passage area, over which in the region of the work tables heated supply air in the vertical direction reaches the area of the ceiling of the room.
  • the table tops of the work tables close to the rear flush with a back wall, where the air rises from the area above the table tops.
  • the heated below the table tops air flows in the direction of the center of the aisle area over the edge of the table tops and mixes there with the supplied from above cool fresh air. This results in a mixing of supplied cool fresh air and rising warm air, which is the amount of supplied Fresh air and thereby increases the energy required for the provision of fresh air.
  • an arrangement for ventilating a room, in particular a laboratory space, which has a passage area which is delimited on both sides by work tables, a supply duct arranged above the passage area for supplying preferably cooled fresh air into the room, which hereinafter also as Supply air is called.
  • the supply air duct can be configured either as an elongate continuous sheet-metal duct with a preferably rectangular cross-section and two laterally arranged longitudinal axis, downwardly directed elongated slot nozzles, which are supplied from one end of the sheet metal channel via a transverse line with fresh air.
  • the supply air duct is a preferably D-shaped in cross-section hollow body made of a preferably flexible material, e.g. from an air-permeable textile or from a plastic film which has a plurality of air outlet openings, from which the supply air exits above the passage area.
  • the supply air duct preferably has two lateral air supply sections, preferably designed as strips, which extend along the passage area and each have a multiplicity of circular air outlet openings, which are preferably introduced as a perforation, for example by means of a laser or the like in the air supply sections and from which the supply air preferably exits exclusively in the lateral direction, ie obliquely at an angle to the vertical center axis of the aisle area in the direction of the work tables.
  • the two lateral air supply sections are spaced from each other by a substantially air-impermeable central partition section, the central longitudinal axis of which preferably extends along the central center plane of the passage area and which separates the first and second air supply sections.
  • an exhaust air duct is arranged above the supply air duct, which extends in the same way as the supply air duct preferably along the vertical center plane of the aisle area and the spent, and relative to the supply air heated exhaust air leads away from the room.
  • the exhaust air duct preferably has two slit-like suction openings extending substantially parallel to the supply air duct and arranged at the highest possible point in the area of the building ceiling of the room.
  • the discharge angle and the size of the slit nozzles of the supply air duct according to the first-described embodiment, and the size and the number of the air outlet openings arranged in the two lateral air supply sections and the width of the separating section of the last-described embodiment of the supply air duct are the same as the size and shape the Beerabsaugötechnisch the exhaust duct chosen so that forms an air roll or a vortex of air on both sides of the passage area, the center is preferably approximately in the region of the gangway edge of the work tables and preferably at the height of half the distance between supply air duct and ground.
  • the supply air duct, or its hollow body may also consist of an air-permeable textile material in the last described preferred embodiment, this is particularly preferably made of a thin, especially also translucent membrane with low air permeability, such as a plastic-coated textile fabric.
  • the supply air duct preferably extends over the entire length of the passage area of the laboratory, and in the case of a plurality of successively arranged laboratory workplaces, it may preferably extend over the entire length of the aisles of all laboratories.
  • the preferred as a micro perforation with a hole size in the range between 0.1 mm and 1 mm, preferably 0.4 to 0.6 mm and more preferably 0.5 mm in the as such substantially air-impermeable material of the Zu Kunststoffkanals introduced in the preferred embodiment perforation is interrupted in the region of the central separation section to form the same.
  • the arrangement of the air outlet openings of the microperforation is advantageously carried out in rows transversely to the longitudinal axis of the aisle area with a distance of one to a few cm, preferably 2 cm.
  • the air outlet openings in the preferred embodiment of the invention have a distance of about 4 mm, resulting in the case of a standard laboratory based on the area air exchange rate in the range between 12.5 - 37.5 m 3 / m 2 / h , which corresponds approximately to 4 to 12 times the air exchange rate in a standard laboratory.
  • the invention is characterized in that at least one of the worktables, but preferably all worktables, have a slot-like opening in the region of their rear side, through which hot air from the area below the table top, which is e.g. generated by electrical equipment such as workstations, refrigerators, power strips, etc., as well as the body heat of persons working on the tables, can flow out of this area at the top.
  • the slot-like opening may either be formed in the table top of the worktable, or may be formed on the back of the rear edge of the table top by a recess which preferably extends between the two rear vertical uprights or legs of the table, if this in a known manner a supporting frame , preferably of metal, has.
  • vertical guide plates are arranged in the region of the back of the work tables, which preferably extend in the vertical direction in the region below as well as in the region above the tabletops. and serve as guide surfaces on which the heated air rises.
  • the rising warm air is moved out of the area below the table top in the direction of the guide surface and forced towards it during the upward flow, which advantageously leads to channeling of the ascending air through the guide surface , whereby they no longer mixed so much with the fresh air flowing in from above. This further reduces the energy requirement of the arrangement according to the invention.
  • a first guide plate is disposed below the table top, and / or a second guide plate extends upward from the slot-like opening toward the ceiling of the room.
  • the second guide plate is preferably formed of a material that is opaque in particular for laser light and / or a fire-retardant material or a material with high mechanical strength, in particular an explosion-resistant material ,
  • the guide plate advantageously also simultaneously fulfills the function of protection against laser radiation, a fire barrier and / or splinter protection.
  • the second baffle also made of a transparent material, preferably made of glass or Plexiglas, in order to maintain the flow advantages despite a spatial separation of two back-facing jobs and at the same time to allow a Dur harsh.
  • the at least one worktable preferably comprises a frame having two rear frame posts between which the slot-like opening extends.
  • the two back posts are preferably formed as metal or plastic profiles, which can be extended in the vertical direction over patch further posts.
  • the lower frame post can be connected, preferably receiving grooves for receiving further vertical guide plates and / or horizontal shelves or energy channels, or horizontal beams on which the horizontal shelves or energy channels rest, may be provided.
  • the shelves also extend only to the vertical plane of the gangway longitudinal edge of the slot-shaped opening zoom, so that the rising from the opening in the table top, or in the working table warm air in the resulting space behind the shelves also flow unhindered into the ceiling area can.
  • At least one of the longitudinal edges of the slot-shaped opening in particular the gangway-side longitudinal edge, has an arcuately rounded cross-sectional shape, preferably a trumpet-shaped or venturi-shaped cross-sectional shape, to support the flow movement of the air rising from below the table top , on. This ensures that the rising hot air is concentrated to an even narrower range, which additionally counteracts a mixing with the supplied cold air.
  • the invention relates to the advantageous use of at least one work table with a frame and a table top, which has a slot-like opening in the region of its back through which warm air from the area below the table top can flow upwards in a previously described arrangement for ventilation of a laboratory space.
  • the arrangement according to the invention can equally be used for the ventilation of office spaces which are to be included in the protection.
  • an arrangement 1 for ventilating a room 2, in particular a laboratory room, which has a passage area 4 which is delimited on both sides by work tables 6a, 6b, comprises a supply air duct 8 arranged above the passage area, via the preferably cooled fresh air is supplied from a fresh air generator not shown in detail or a fresh air blower.
  • the supply air duct 8 has two lateral air supply sections 8a, 8b, which extend along the passage area 4 and each having a plurality of circular air outlet openings 10, from which the supply air exits laterally in the direction of the work tables 6a, 6b.
  • the two lateral air supply sections 8a, 8b are separated from one another by a substantially airtight central separation section which, for example, has 1/3 of the width of the supply air channel 8 and has no air outlet openings.
  • the supply air duct 8 made of a flexible textile material which is substantially impermeable to air and has the cross-sectional shape of a hanging D, which is accommodated on two spaced supports 12a, 12b of a supporting frame not otherwise shown.
  • media lines 30 for example, water, gas, electricity, etc., which are supported for example by a traverse unspecified and of the Page are accessible from.
  • an exhaust air duct 14 is arranged at a distance of, for example, 80 cm to 1 m, comprising two slit-like suction openings 14a, 14b extending substantially parallel to the supply air duct 8, which are arranged in the region of the ceiling 16 of the room 2, an air roll 18a, 18b forms on each side of the passage area 4, which in the region of the worktables 6a, 6b by heat sources 20a, 20b, such as screens, electrical equipment or cooking appliances, etc.
  • the work table 6a As the representation of Fig. 1 can be removed on the left side, the work table 6a according to the invention provided with a slot-shaped opening 100 which is arranged in the table top 110 of the table 6a.
  • a vertical guide plate 114 is arranged in the region of the back of the at least one work table 6a, which extends in the vertical direction up to the edge of the slot-like opening 100, and which serves as a guide surface on which the heated air rises .
  • the baffle preferably comprises a first baffle 114a below the table top, and / or a second baffle 114b extending upwardly from the slot-like opening 100 toward the ceiling of the room.
  • the work table 6a has a frame 116 which has two rear frame posts 118, between which the slot-like opening 100 extends.
  • the posts 118a can be placed on the posts 118a in the vertical direction further posts 118b, which are provided in the same manner as the posts 118 with vertical longitudinal grooves into which the guide plates 114a, 114b are inserted.
  • At least one of the longitudinal edges 120 of the slot-shaped opening 100 in particular the gangway side gangway longitudinal side, to support the flow movement of the upflowing air under the table top 110 an arcuate rounded cross-sectional shape 122, preferably a trumpet-shaped or venturi-shaped cross-sectional shape, such this in Fig. 2 is indicated.
  • an arcuate rounded cross-sectional shape 122 preferably a trumpet-shaped or venturi-shaped cross-sectional shape, such this in Fig. 2 is indicated.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Clinical Laboratory Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Ventilation (AREA)
EP14002405.0A 2013-09-24 2014-07-12 Agencement de ventilation d'une pièce, en particulier un laboratoire Active EP2851625B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE201310015799 DE102013015799A1 (de) 2013-09-24 2013-09-24 Anordnung zur Belüftung eines Raums, insbesondere eines Laborraums

Publications (2)

Publication Number Publication Date
EP2851625A1 true EP2851625A1 (fr) 2015-03-25
EP2851625B1 EP2851625B1 (fr) 2020-03-11

Family

ID=51210210

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14002405.0A Active EP2851625B1 (fr) 2013-09-24 2014-07-12 Agencement de ventilation d'une pièce, en particulier un laboratoire

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US (1) US20150087218A1 (fr)
EP (1) EP2851625B1 (fr)
DE (1) DE102013015799A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7262925B2 (ja) * 2018-03-14 2023-04-24 ホーチキ株式会社 熱感知器
CN116538610A (zh) * 2023-06-19 2023-08-04 广东呼研菲兰科技有限责任公司 一种模块化装配式墙智能控制通风方向的方法及系统

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0759619A (ja) * 1993-08-26 1995-03-07 Hibiya Eng Ltd オフィス・オートメーション機器用家具構造
EP0681439B1 (fr) * 1993-01-29 1997-04-23 Knürr-Mechanik für die Elektronik AG Meuble de travail
US5673632A (en) * 1996-01-03 1997-10-07 Sykes; Christopher C. Workstation having L-shaped worktop and flat-folding legs
WO2012031700A1 (fr) 2010-09-07 2012-03-15 H. Lüdi + Co. Ag Système de ventilation d'une pièce, notamment d'un laboratoire

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3284148A (en) * 1965-02-24 1966-11-08 Ramniceanu Tiberiu Justinian Blower-contained vibration-free work bench
DE3239371A1 (de) * 1982-10-23 1984-04-26 VOKO - Franz Vogt & Co, 6301 Pohlheim Arbeitstisch
US6267064B1 (en) * 1999-11-01 2001-07-31 Steelcase Development Corporation Laboratory furniture unit
US9463129B2 (en) * 2011-09-27 2016-10-11 Mp Acquisition, Llc Grossing station

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0681439B1 (fr) * 1993-01-29 1997-04-23 Knürr-Mechanik für die Elektronik AG Meuble de travail
JPH0759619A (ja) * 1993-08-26 1995-03-07 Hibiya Eng Ltd オフィス・オートメーション機器用家具構造
US5673632A (en) * 1996-01-03 1997-10-07 Sykes; Christopher C. Workstation having L-shaped worktop and flat-folding legs
WO2012031700A1 (fr) 2010-09-07 2012-03-15 H. Lüdi + Co. Ag Système de ventilation d'une pièce, notamment d'un laboratoire

Also Published As

Publication number Publication date
DE102013015799A1 (de) 2015-03-26
US20150087218A1 (en) 2015-03-26
EP2851625B1 (fr) 2020-03-11

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