EP0264039B1 - Luminaire antidéflagrant avec boîtier de luminaire et globe résistant à la pression - Google Patents

Luminaire antidéflagrant avec boîtier de luminaire et globe résistant à la pression Download PDF

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Publication number
EP0264039B1
EP0264039B1 EP87114458A EP87114458A EP0264039B1 EP 0264039 B1 EP0264039 B1 EP 0264039B1 EP 87114458 A EP87114458 A EP 87114458A EP 87114458 A EP87114458 A EP 87114458A EP 0264039 B1 EP0264039 B1 EP 0264039B1
Authority
EP
European Patent Office
Prior art keywords
components
housing
filler
lamp
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.)
Expired - Lifetime
Application number
EP87114458A
Other languages
German (de)
English (en)
Other versions
EP0264039B2 (fr
EP0264039A3 (en
EP0264039A2 (fr
Inventor
Reinhard Neumann
Cornelius Ploeger
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.)
ABB Ceag Licht und Stromversorgungstechnik GmbH
Original Assignee
ABB Ceag Licht und Stromversorgungstechnik 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6311470&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0264039(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by ABB Ceag Licht und Stromversorgungstechnik GmbH filed Critical ABB Ceag Licht und Stromversorgungstechnik GmbH
Publication of EP0264039A2 publication Critical patent/EP0264039A2/fr
Publication of EP0264039A3 publication Critical patent/EP0264039A3/de
Publication of EP0264039B1 publication Critical patent/EP0264039B1/fr
Application granted granted Critical
Publication of EP0264039B2 publication Critical patent/EP0264039B2/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F21V25/00—Safety devices structurally associated with lighting devices
    • F21V25/12—Flameproof or explosion-proof arrangements
    • 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
    • F21V31/00—Gas-tight or water-tight arrangements
    • F21V31/04—Provision of filling media

Definitions

  • the invention relates to a lamp according to the preamble of claim 1.
  • a lamp of the type mentioned has a lamp housing in which the individual electrical components for supplying the lamp, which can either be an incandescent lamp or a fluorescent lamp, are housed.
  • These luminaire housings if they are designed to be explosion-proof in type of protection "d", flameproof enclosure, are predominantly made of metal; the transparent cover attached to this metal housing is made of glass.
  • Such a lamp is known for example from US-A 4 142 179.
  • the lamp housing is made of metal and - because it is a relatively small lamp - the cover part is made of plastic.
  • the free volume inside the luminaire housing may not exceed 3,000 cm 3 .
  • the cover part can also consist of transparent plastic. Then the area that allows the light to pass through must not be larger than 8,000 cm 2 .
  • the object of the invention is to provide a lamp of the type mentioned, in which the lamp housing and the cover are made of plastic.
  • a lamp has become known from DE-A 25 31 968 in which the housing is made of plastic.
  • the housing is completely filled with casting resin or a similar hardening plastic, the housing of the lamp according to DE-A 25 31 968 is not one that can be referred to as pressure-resistant encapsulation.
  • the free residual space between the filler parts and the electrical components inside the housing is always kept to less than 3,000 cm 3 . It can thereby be achieved that the housings previously designed as metal housings can now be manufactured from plastic, provided the wall thickness is correctly dimensioned.
  • the filling parts can be designed as carrier parts for the electrical components, or they can serve as adapters; the filler parts are then expediently made from foamed plastic. Of course, they can also consist of metal or other materials.
  • filler, sand, quartz powder or glass balls can be used, which have the advantage that the residual space to be filled can have any shape, because the sand or the quartz powder or the glass balls in their entirety have no defined space, for example surround a quarder or the like.
  • liquids can also be filled in, which is particularly advantageous when the electrical components have to be cooled. The liquid then serves as a cooling liquid.
  • the filling parts can of course also be made of ceramic, metal, or a combination of these materials.
  • the filling parts can also be used in the cover part, eg as a reflector carrier. Then they serve to limit the transparent, translucent surface of the cover part to an area of less than 8000 cm 2 . This means that the cover part can also be produced from plastic.
  • the luminaire 10 consists of a luminaire housing 11 and a cover part 12 attached to it.
  • the luminaire housing 11 is closed by means of an end wall 13, so that the housing 11 together with the end wall 13 meets the requirements of "pressure-resistant encapsulation".
  • Electrical components 14 and 15 are located within the lamp housing 11. Additional components may be present, but are not shown.
  • the volume of the interior of the luminaire housing 11 with the end wall 13, taking into account the electrical components 14 and 15, is in any case significantly greater than 3000 c m 3 .
  • the electrical components 14 and 15 are held in a carrier part 16 in which holding recesses 17 and 18 adapted to the electrical components 14 and 15 are provided.
  • a carrier upper part 21 provided with further recesses 19 and 20 is placed and the unit thus formed from the carrier lower part 16, carrier upper part 21 and the electrical components 14 and 15 embedded therein into the interior of the housing 11 used and then closed the lamp housing 11 by means of the cover wall 13.
  • the resulting residual volume 22 is more suitable Dimensioning of the two support parts 16 and 21 has a volume less than 3000 cm 3 .
  • the two support parts 16 and 21 thus serve as filler parts and are formed here from a suitable, foamed plastic and fixed in the interior of the lamp housing in a manner not shown.
  • the cover part 12 is also encapsulated in a pressure-tight manner and has therein a wall 23 on which a base 24 is fastened for holding a lamp 25; the cover part 12 with the wall 23 is encapsulated in a pressure-resistant manner.
  • the transparent surface 28 it is possible to limit the transparent surface 28 to values smaller than 8000 cm 2 by installing adapter parts, which are designed, for example, in the form of a reflector 26 or 27, as shown schematically in the drawing. This ensures that the cover 12 can no longer be made of glass, but also made of plastic.
  • the building elements can be attached to carriers. Then the rest of the room would have to be filled with filler parts.
  • these filling parts could be a liquid which easily dissipates the heat generated on the components to the outside.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)

Claims (4)

1. Appareil d'éclairage comportant un boîtier (11) formant un blindage anti-déflagrant et, fixé sur celui-ci, un couvercle en matériau transparent formant également un blindage anti-déflagrant ainsi que des composants électriques (14, 15) logés à l'intérieur du boîtier (11) et destinés à l'alimentation en courant électrique d'au moins une lampe (25) située dans le couvercle (12), caractérisé par le fait que le boîtier (11) et le couvercle (12) sont réalisés chacun en matière plastique et qu'il est prévu avec les composants électriques (14, 15) ou la lampe (25), dans le boîtier (11) ou dans le couvercle (12), des éléments de remplissage (16, 21; 26, 27) de volume important, le volume des éléments de remplissage (16, 21; 26, 27) étant tel qu'il subsiste entre la surface intérieure du boîtier (11) et la surface extérieure des éléments de remplissage (16, 21; 26, 27) et les composants électriques (14, 15) un volume résiduel (22, 28) libre inférieur à 3.000 cm3 ou que la zone translucide du couvercle (12) occupe une surface inférieure à 8.000 cm2.
2. Appareil d'éclairage selon la revendication 1, caractérisé par le fait que les éléments de remplissage (16, 21) à l'intérieur du boîtier servent au moins partiellement de support pour les composants électriques (14, 15).
3. Appareil d'éclairage selon l'une des revendications précédentes, caractérisé par le fait que les éléments de remplissage sont en matière plastique, de préférence en matière plastique moussée.
4. Appareil d'éclairage selon l'une des revendications précédentes, caractérisé par le fait que les éléments de remplissage se présentent sous la forme de grains et que l'on utilise pour cela du sable, de la poudre de quartz, des billes de verte, des éléments en duroplastes ou en thermoplastes, des éléments en élastomère, de la céramique et du métal ainsi qu'une combinaison de ces matériaux et liquides.
EP87114458A 1986-10-10 1987-10-03 Luminaire antidéflagrant avec boîtier de luminaire et globe résistant à la pression Expired - Lifetime EP0264039B2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19863634556 DE3634556A1 (de) 1986-10-10 1986-10-10 Explosions- oder schlagwettergeschuetzte leuchte mit druckfest gekapseltem leuchtengehaeuse und daran befestigtem transparentem abdeckteil
DE3634556 1986-10-10

Publications (4)

Publication Number Publication Date
EP0264039A2 EP0264039A2 (fr) 1988-04-20
EP0264039A3 EP0264039A3 (en) 1989-07-26
EP0264039B1 true EP0264039B1 (fr) 1993-03-03
EP0264039B2 EP0264039B2 (fr) 1995-12-13

Family

ID=6311470

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87114458A Expired - Lifetime EP0264039B2 (fr) 1986-10-10 1987-10-03 Luminaire antidéflagrant avec boîtier de luminaire et globe résistant à la pression

Country Status (2)

Country Link
EP (1) EP0264039B2 (fr)
DE (2) DE3634556A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017112146A1 (de) 2017-06-01 2018-12-06 R. Stahl Schaltgeräte GmbH Explosionsgeschützte Leuchte
GB2573804B (en) * 2018-05-18 2022-07-27 Hubbell Ltd Driver assembly for a lighting fixture

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE692585C (de) * 1938-05-29 1940-06-22 Friemann & Wolf G M B H Elektrische Sicherheitsgrubenleuchte
US4142179A (en) * 1971-04-19 1979-02-27 Lowndes Roy B W Safety warning lamps for adverse or hazardous atmospheres
DE2531968C2 (de) * 1975-07-17 1986-02-13 R. Stahl Schaltgeräte GmbH, 7118 Künzelsau Explosionsgeschützter Leuchtmelder
DE2633716C3 (de) * 1976-07-27 1980-03-13 Siemens Ag, 1000 Berlin Und 8000 Muenchen Schlagwetter- und explosionssichere Leuchte
US4388681A (en) * 1980-12-15 1983-06-14 Keene Corporation Hazardous location light fixture
DE3447133A1 (de) * 1984-12-22 1986-07-03 Hirsch, Martin, Dr., 7000 Stuttgart Leuchte
DE8437802U1 (fr) * 1984-12-22 1987-06-25 Hirsch, Martin, Dr., 7000 Stuttgart, De

Also Published As

Publication number Publication date
DE3634556A1 (de) 1988-04-14
EP0264039B2 (fr) 1995-12-13
EP0264039A3 (en) 1989-07-26
EP0264039A2 (fr) 1988-04-20
DE3784434D1 (de) 1993-04-08

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