EP1503152A1 - Luminaire encastré pour air d'amenée et air d'évacuation réglable en hauteur et à faible bruit pour plafonds à sous- et sur-pression - Google Patents

Luminaire encastré pour air d'amenée et air d'évacuation réglable en hauteur et à faible bruit pour plafonds à sous- et sur-pression Download PDF

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Publication number
EP1503152A1
EP1503152A1 EP03017221A EP03017221A EP1503152A1 EP 1503152 A1 EP1503152 A1 EP 1503152A1 EP 03017221 A EP03017221 A EP 03017221A EP 03017221 A EP03017221 A EP 03017221A EP 1503152 A1 EP1503152 A1 EP 1503152A1
Authority
EP
European Patent Office
Prior art keywords
exhaust
light according
reflector
auxiliary
exhaust light
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.)
Withdrawn
Application number
EP03017221A
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German (de)
English (en)
Inventor
Ralf Dr. Kinkeldey
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.)
SBB HOLDING GMBH & CO. KG
Original Assignee
Spittler Lichttechnik
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 Spittler Lichttechnik filed Critical Spittler Lichttechnik
Priority to EP03017221A priority Critical patent/EP1503152A1/fr
Publication of EP1503152A1 publication Critical patent/EP1503152A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00—Reflectors for light sources
    • F21V7/0025—Combination of two or more reflectors for a single light source
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • F21S8/02—Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters
    • F21S8/026—Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters intended to be recessed in a ceiling or like overhead structure, e.g. suspended ceiling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/02—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages with provision for adjustment
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
    • F21V17/16—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts; Snap action mounting
    • F21V17/164—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts; Snap action mounting the parts being subjected to bending, e.g. snap joints
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/02—Wall, ceiling, or floor bases; Fixing pendants or arms to the bases
    • F21V21/04—Recessed bases
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/60—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V33/00—Structural combinations of lighting devices with other articles, not otherwise provided for
    • F21V33/0088—Ventilating systems
    • 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
    • F24F13/078—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser combined with lighting fixtures

Definitions

  • the present invention is concerned with a Zu- and Exhaust light with variable installation height and low Sound power level for under- and over-pressure ceilings, especially with a luminaire that is lightweight is made and between a suspended ceiling and the Concrete ceiling of a room is installed.
  • Such lights are from the German patent application DE 30 48 073 A1.
  • the well-known Klima stipulate points a so-called gutter mirror, which is circular in the Housing of the air conditioning lamp is installed symmetrically, so that with the gutter mirror practically a downwardly open ring is formed, whose inner surfaces are mirrored and thus form a reflector that the light of a ring light reflected.
  • the here so-called gutter mirror or Reflector is divided approximately in the middle and thus consists of two circular rings, one upper ring and one lower ring, which are spaced by an air gap.
  • the air gap makes it possible to remove air masses from inside the to suck the room to be lit, the air masses necessarily through the lower part of the reflector ring have to pass through, creating a certain noise level arises.
  • the middle of the annular Channel mirror arranged a supply air manifold, the air masses blowing into the room.
  • the exhaust light according to the invention for installation in a suspended ceiling with a light reflector of any geometric shape that reflects the light of a lamp is characterized in that the reflector of at least consists of two parts, between which an air gap is arranged is and at least one edge of the reflector part close to the ceiling is bent.
  • the upper part of the reflector as form a quasi spherical shell, of which a spherical segment is separated, creating a circular upper surface arises.
  • the lower edge of the ceiling Reflect reflector part is advantageous to the lower edge of the ceiling Reflect reflector part approximately at right angles, the lower bevelled edge due to a spring force against a circumferential support plate of the rack is pressed.
  • the folded ring of the lower Reflector not only a few mm wide, but a range between about 5 mm and about 30 mm It is also advantageous, the upper edge of the ceiling Bevel obliquely reflector part, wherein the angle of the Sloping is not equal to 90 °.
  • the circumferential support plate of the Built-in frame as a circular ring of a round light form, with the support plate with a U-shaped bent angle sheet is connected.
  • the lamp has a so-called acoustic stopper which is usually located in places that between the suspended ceiling and suitable places of the Exhaust light, z. B. below the thrust leaf spring.
  • the lamp socket laterally in the upper reflector part through a recess approximately in the Center of the reflector is introduced.
  • a fastener as a leaf spring made of spring steel, with the bent free end the leaf spring against the upper edge of the ceiling Partial reflector pushes.
  • the leaf spring at least one Has a fold, so that the bent surface a Angle> 180 degrees to the surface of the rest of the leaf spring.
  • the two legs of the U-shaped bent Angle sheet rows of holes in the at least one knob an adjustable support member engages.
  • the support element further comprises at least one Guide element, wherein a guide means as elongated Elevation is from the plane of the support element and another Guide means are straightened Leitlaschen.
  • the curved support elements advantageously have bends on which a foot is formed, which on the inner Ceiling wall of the suspended ceiling presses.
  • Fig. 1 shows the side view of an inventive Supply and exhaust light 1 in a schematic representation.
  • the present embodiment is lightweight made and consists essentially of a Built-in frame 8, an upper reflector part 5 and a lower reflector part 6, which are arranged one above the other.
  • the installation height (L) is essentially determined by the Height of the installation frame 8.
  • the installation height (L) is determined by two Parameters, the airflow and the distance of the Suspended ceiling 2 to the concrete ceiling of the room, determined.
  • the Air flow is also a function of the gap width of Air gap 7 between the upper reflector part 5 and the lower reflector part 6.
  • the gap width of the air gap 7 is on the one hand with the length (L) of the legs 21 of the Mounting frame 8 and the height (H) of the upper reflector part.
  • the built-in frame 8 has at the bottom of a Support plate 14, in the present embodiment represents a circular ring. From the plane of the support plate 14 at least one tab 17, 17 'rises approximately in the right Angle to the support plate plane and the level of the suspended Ceiling 2. At the two tabs 17, 17 'are laterally each a leaf spring 18, 18 'attached, the attachment by spot welding or a similar fastener can be effected. At the flap 17 '', which is about 90 ° opposite the tabs 17, 17 'offset from the plane of the Supporting plate 14 protrudes, the legs 21, 21 'of a U-shaped bent angle sheet 11 by screwing in the Holes of the rows of holes 22 or by spot welding attached.
  • the lower reflector part 6 is at its lower Edge folded approximately at right angles, so that encircling one Circular ring 13 is created, with its inner surface to the Outside surface of the support plate 14 is pressed.
  • the upper edge the lower reflector part 6 has a pronounced structure, which is formed so that the upper edge at least one Schrage 12 has.
  • Above the inclined portion 12 joins a cylindrical portion 12 'at.
  • the Leaf springs 18, 18 ' have a bend at their free end on, which also about the same angle as the Bevel 12 directed inclined surface 18 'is formed, the due to the inward spring pressure of the Leaf springs 18, 18 'an upward pressure on the oblique wall of the portion 12 'of the lower Reflector 6 exerts.
  • the entire Reflector 6 Fixed, but detachable in the mounting frame. 8 pinched.
  • the structured formation of the upper edge the lower reflector part 6 also acts noise-reducing to the flowing through the air gap 7 Airflow out.
  • Above the lower reflector part 6 is the arranged upper reflector part 5 in the rack 8 and with a fastening screw 30 on the angle plate 11th attached.
  • the lower diameter (D1) of the spherical shell-shaped upper part 5 of the reflector slightly smaller than the diameter (D2) of the upper one cylindrical portion 12 of the lower reflector part.
  • the upper reflector part 5 has a recess 16 on, through which a lamp holder 3 and the lamp 3 ' protrudes.
  • the lamp holder 3 is on a bracket 31st attached, extending from the upper part of the u-shaped Angle plate 11 extends to the outside and in more appropriate Distance is bent at right angles to the lamp socket 3 with suitable fasteners to attach.
  • Fig. 2 shows a schematic representation of the lower Reflector 6 and the top arranged above Reflector part 5 in the mounting frame 8, in the ceiling 2 is installed.
  • the space between suspended ceiling 2 and the Concrete ceiling 2 ' is under slight vacuum, leaving the air at broken upper reflector part 5 in horizontal and vertical direction is sucked through the lamp.
  • the upper reflector part 5 is practically a spherical shell, from which a segment 4 is separated. By the separation of the segment 4 becomes a circular area of the reflector formed, which may have breakthroughs.
  • Important for the Flow conditions and noise by the Air gap 7 is that the diameter (D1) is smaller than the diameter (D2) of the upper edge piece of the lower Reflector part 6.
  • the inclined portion 12 'of the lower Reflector 6 performs several functions, namely the Air line of the air flow through the air gap 7 and the back pressure to the slope 18 'of the leaf spring 18, against the slope 12 'acts and thus an upward Force component on the slope 12 'exerts.
  • the bottom edge of the lower reflector part 6 is formed so that a Support ring 13 is formed, which is against the support plate 14 of the Built-in rack 8 is pressed and be relatively wide should, to a seal to the ceiling 2 and the support plate 14th to ensure.
  • Fig. 3 is a schematic side view of the Mounting frame 8 shown in sectional view.
  • the Einbaugestell 8 has an angle plate 11 which at a Side is U-shaped.
  • the two legs 21, 21 'of the U-shaped bent angle plate 11 are at their ends with the tabs 17 "connected so that the installation height (L) each can be adjusted as needed.
  • At the upper temple of the U-shaped bent angle plate 11 is an angled arm 31 arranged on which the lamp holder 3 with suitable Means is attached.
  • Fig. 4 shows a further rotated by 90 ° schematic Side view of the mounting frame 8. From the plane of the Support plate 14 projects upwardly a tab 17 " out, which, if necessary, has rows of holes, the Attachment of the legs 21 of the U-shaped bent Angle plate 11 can serve, if this with a Screw connection for adjusting the installation height L attached become.
  • the legs 21, 21 ' have two rows of holes, the are arranged parallel to each other, on.
  • the resulting Noise should be a minimum, especially in Work rooms, be.
  • FIG. 7 shows the graph of the sound power level L w as a function of the exhaust air volume flow in a simple logarithmic manner of application.
  • the measured values show a straight line that causes a sound power level L w of approx. 15 dB at approx. 80 cubic meters per hour exhaust air volume flow and causes a sound power level L w of approx. 34 dB at approx. 150 cubic meters per hour.
  • FIG. 8 shows the graph of the total pressure loss P ges as a function of the exhaust air volume flow in cubic meters per hour (m 3 / h) in a double log rhythmical plot.
  • the graph shows that all measured values lie on a straight line and the total pressure loss P gs at 50 cubic meters per hour is approximately 4.5 Pascal (Pa) and at approximately 150 cubic meters per hour the total pressure loss P tot is approximately 40 (Pa).
  • Pa Pascal

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Building Environments (AREA)
EP03017221A 2003-07-29 2003-07-29 Luminaire encastré pour air d'amenée et air d'évacuation réglable en hauteur et à faible bruit pour plafonds à sous- et sur-pression Withdrawn EP1503152A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP03017221A EP1503152A1 (fr) 2003-07-29 2003-07-29 Luminaire encastré pour air d'amenée et air d'évacuation réglable en hauteur et à faible bruit pour plafonds à sous- et sur-pression

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP03017221A EP1503152A1 (fr) 2003-07-29 2003-07-29 Luminaire encastré pour air d'amenée et air d'évacuation réglable en hauteur et à faible bruit pour plafonds à sous- et sur-pression

Publications (1)

Publication Number Publication Date
EP1503152A1 true EP1503152A1 (fr) 2005-02-02

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EP03017221A Withdrawn EP1503152A1 (fr) 2003-07-29 2003-07-29 Luminaire encastré pour air d'amenée et air d'évacuation réglable en hauteur et à faible bruit pour plafonds à sous- et sur-pression

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3048073A1 (de) 1980-12-19 1982-07-01 Siemens AG, 1000 Berlin und 8000 München Klimaleuchte mit ringlampe
DE3238876A1 (de) * 1982-10-18 1984-04-19 Franz Sill Gmbh, 1000 Berlin Decken-einbauleuchte
DE4132733A1 (de) * 1991-10-01 1993-04-08 Wila Leuchten Gmbh Deckeneinbauleuchte mit luftfuehrung
JPH05290612A (ja) * 1992-04-09 1993-11-05 Tokyo Electric Co Ltd 空調形照明器具

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3048073A1 (de) 1980-12-19 1982-07-01 Siemens AG, 1000 Berlin und 8000 München Klimaleuchte mit ringlampe
DE3238876A1 (de) * 1982-10-18 1984-04-19 Franz Sill Gmbh, 1000 Berlin Decken-einbauleuchte
DE4132733A1 (de) * 1991-10-01 1993-04-08 Wila Leuchten Gmbh Deckeneinbauleuchte mit luftfuehrung
JPH05290612A (ja) * 1992-04-09 1993-11-05 Tokyo Electric Co Ltd 空調形照明器具

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 0180, no. 79 (M - 1557) 9 February 1994 (1994-02-09) *

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