CN1969146A - Heat resistant casing - Google Patents

Heat resistant casing Download PDF

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Publication number
CN1969146A
CN1969146A CN200580019996.XA CN200580019996A CN1969146A CN 1969146 A CN1969146 A CN 1969146A CN 200580019996 A CN200580019996 A CN 200580019996A CN 1969146 A CN1969146 A CN 1969146A
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CN
China
Prior art keywords
heat resistant
resistant casing
housing
arbitrary
described heat
Prior art date
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Granted
Application number
CN200580019996.XA
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Chinese (zh)
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CN100529513C (en
Inventor
K·J·劳林斯
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Scolmore International Ltd
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Scolmore International Ltd
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Publication date
Application filed by Scolmore International Ltd filed Critical Scolmore International Ltd
Publication of CN1969146A publication Critical patent/CN1969146A/en
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Publication of CN100529513C publication Critical patent/CN100529513C/en
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Classifications

    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62CFIRE-FIGHTING
    • A62C3/00Fire prevention, containment or extinguishing specially adapted for particular objects or places
    • A62C3/16Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00Lighting devices intended for fixed installation
    • F21S8/02Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V25/00Safety devices structurally associated with lighting devices
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V25/00Safety devices structurally associated with lighting devices
    • F21V25/12Flameproof or explosion-proof arrangements

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  • General Engineering & Computer Science (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Insulated Conductors (AREA)
  • Building Environments (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Installation Of Indoor Wiring (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Ceramic Products (AREA)
  • Glass Compositions (AREA)
  • Finishing Walls (AREA)
  • Casings For Electric Apparatus (AREA)

Abstract

A casing 10 (fire hood) for an electrical fitting comprises a top 11 of heat resistant material provided with at least one aperture and supporting a sidewall 12.The housing encloses an electrical fitting 19 attached to the housing by attachment means, and within the housing is a first solid fire-resistant intumescent material 17 positioned between the interior surface of the top 11 and electrical fitting 19. Intumescent material 17 is provided with at least one aperture and is spaced from the interior surface of top 11. The housing is further provided with a collar of a second solid fire-resistant intumescent material 15 extending around the exterior surface of side wall 12. In the event of fire or significant temperature increase, intumescent material 17 and 15 expand to around nine times their original volume, filling the gap 16A between the top 11 and plate 16, together with the apertures in the top 11, and the space between the housing and the surrounding structure e.g. a ceiling or wall. These expansions help to prevent a fire from spreading.

Description

Heat resistant casing
The present invention relates to a kind ofly use, especially the new refractory outer cover that uses with lamp socket with electric installation.
The downward luminaire of new building rule request is assembled in the ceiling, minimizes to provide fiery protective cover to prevent or to reduce to spreading of major general's fire.Various types of fiery protective covers once were proposed, and it comprises a lot of refractory swelling materials doubly that are expanded to its original volume when overheated (situation of for example catching fire), and the barrier that therefore forms fire minimizes or prevent spreading of fire.These protective covers are very successful, but target remains the efficient of the protection that increases built-in ventilation and fire/heat, and a kind of saving cost and easy-to-install selection are provided simultaneously.An object of the present invention is to provide a kind of new heat resistant casing (fiery protective cover), it can supply with lamp socket or other electric installations that has assembled, and in use,, also prevent or minimize spreading of fire if effective minimum heat-transmission increases and fire spread takes place.
According to an aspect of the present invention, a kind of heat resistant casing that is used for electric installation is provided, wherein, shell comprises the housing of heat proof material, it comprises the top of one of support or more sidewalls, at least one hole is arranged at this top, this housing has surrounded electric installation, it is attached on the housing by attachment equipment, and the surface, inside that is positioned the top and the first solid refractory swelling material between the electric installation are arranged in housing, it is characterized in that, the first solid refractory swelling material has at least one hole, and with the inside spaced surface at top, this housing also has the axle collar of the second solid refractory swelling material, it roughly extends around outer surface of sidewall or a plurality of sidewalls fully.
This housing is the cross section of circular preferably, and the structure of the roughly rigidity that supports of oneself preferably, and is metal or plastics.The top preferably have be used for the ventilation (heat radiation) a plurality of holes, the attachment equipment of the path of cable and first refractory swelling material." free edge " of sidewall promptly away from the sidewall at top, preferably has outward extending antelabium.This antelabium can be used for the attachment of the lid of electric installation.When electric installation is lamp socket, can be attached on the antelabium with the lid of the form of the annulation decorated.Particularly when supporting construction was built, this shell was particularly useful for recessed supporting construction, for example ceiling or wall.In a preferred embodiment, seal roughly covers on the antelabium and provides, and makes when use seal be clipped in the surface that antelabium and shell are assembled to, for example ceiling or between the walls.A target of sealing part is to prevent that moisture and air from arriving between shell and the assembly surface (for example ceiling or wall), therefore enters the hole between the floor and enters the attic space.This is that the person that tells the house building clamps to improve the zone that energy efficiency and NHBC (national house building person the committee) require.Also might benefit being of seal, it for example allows shell to be positioned evenly over wherein to have used therefore not show the gap around rim, and to prevent that downward luminaire from tilting at a certain angle on the ceiling of the band grain surface of Artex.In addition, seal helps to reduce the rim of downward luminaire and the contact temperature between the ceiling.Seal for example can be made by moisture-proof gas elastomer composition, and preferably provides the flank of projection on the surface away from antelabium.
Expanding material can be based on graphite or other when being exposed to the dilatable expanding material of volume when very hot.An example based on the material of graphite is the conduct " expanding material " that is provided by Technical FibreProducts Limited, and it comprises and comprises the high chrysotile asbestos fibre pad that is easy to dispersed lobate graphite that is combined in the acrylic resin.First and second expanding materials can have identical or different compositions.
Preferred first expanding material has a plurality of holes.These holes are as the passage of cable and/or ventilation, so that the heat that trend increases in shell when electric installation is opened is scattered.Preferably, dish is used to support first expanding material, and dish is porose usually in this case, and one of them a little hole is corresponding with those holes of first expanding material.These holes are holes of the circle of being got through by a kind of proper implements expediently.This dish preferably is sized to the surface, inside that is assemblied in enclosure by the square and can for example be attached in the top then by nuts and bolt.Nut also is used for keeping necessary space between first expanding material of the surface, inside at top and dish upper support.The gap is preferably in 2 to 8mm scope between the surface, the inside at top and first expanding material, more preferably is 2 to 5mm.When dish was provided, this can be advantageously used in for example by nuts and bolt attachment electric installation.Electric installation preferably is positioned at enclosure interior, makes it not run into the surface, inside of sidewall or a plurality of sidewalls.
Be appreciated that for clear, be described in some feature of the present invention among each embodiment and also can be combined and be provided among the single embodiment.On the contrary, also can provide respectively or provide for the of the present invention various features that briefly are described among the single embodiment with arbitrary suitable combination.
With reference now to accompanying drawing,, embodiments of the invention will be described, wherein:
Fig. 1 is the partial cross section schematic diagram according to shell of the present invention;
Fig. 2 is the top perspective view of Fig. 1 shell, has also showed the connection of cable to terminal shell.
Fig. 3 is the top perspective view of first solid refractory material used among Fig. 1, and itself and substrate disc attachment are also passed through by the cable screw thread.
Fig. 4 is the bottom view of the substrate disc of the attachment of the appropriate location in shell among first solid refractory material and Fig. 3.
Fig. 5 is the side schematic view of the partial cross section of the shell among Fig. 1.
Fig. 6 shows the perspective view and the side view (2 views) of moisture seal part, and seal is positioned on the heat resistant casing and the recessed ceiling of shell.
With reference now to Fig. 1,, heat resistant casing 10 comprises the columniform pressed-steel housing at the top 11 that comprises supporting side walls 12.Sidewall 12 has antelabium 13, by spring clip 14a and 14b lid 14 is clipped to antelabium 13.The axle collar 15 of solid refractory swelling material has surrounded the lower edge of sidewall 12.The axle collar 15 height 25mm, thickness 12mm, and gummed is in position.Steel disk 16 is arranged in the housing, and it supports the layer of the thick solid refractory swelling material 17 of 12mm.Dish 16 and layer 17 have corresponding hole.Gap 16A between 17 is selected in 2 to 5mm the scope at top 11 and layer.Dish 16 usefulness nuts and bolts 18 keep in position, and this also makes gap 16A keep stable.Pressed-steel lamp socket 19 usefulness nuts and bolts 20 are attached on the dish 16.Aluminium lamp 21 is assemblied in the lamp socket 19.
With reference to figure 2,11 seven holes are arranged is tangible at the top.Cable 22 to 24 is by three holes, and the hold-down nut and the bolts assemblies that are used for terminal shell 25 enter two holes, and a hole 26 is opened for ventilation, and the nuts and bolt that hole 27 is connected to the dish 16 of enclosure takies.
With reference to figure 3, cable 22 and 23 and passage 28,29 have been shown.
With reference to figure 4, shown cable 22 and 23 by dish 16, and four passages, for example 30.
Fig. 5 is one and has shown more clearly how downward luminaire lid 14 clips to illustrating of suitable position.
On-stream, top 11, the effect into shell ventilation and heat radiation is played in the hole on solid refractory swelling material 17 and the dish 16.Under the situation of catching fire, solid refractory swelling material 17 expand into nine times of its volume, is filled in top 11 and coils gap between 16, and comprise the aforesaid hole that those cables pass through.This expansion helps to prevent fire spread, for example when the recessed ceiling of housing, prevents that fire spread from arriving upstairs.In addition, the axle collar 15 of solid refractory swelling material also is expanded to nine times of its volume, is filled in for example space between the ceiling of housing and surrounding structure.This expansion helps to prevent fire spread.When seal assembled as shown in Figure 6, this target was to prevent that moisture and air from arriving between shell and the ceiling, and also helps to make flat being assemblied in the ceiling of shell.

Claims (21)

1. heat resistant casing that is used for electric installation, wherein shell comprises the housing of refractory material, this housing comprises the top of one of support or more sidewalls, the top is provided with at least one the hole, housing is around the electric installation that is attached to housing by attachment equipment, in the housing is the first solid refractory swelling material that is positioned between top interior surface and the electric installation, it is characterized in that, the first solid refractory swelling material is provided with at least one the hole, and it is spaced with top interior, and housing also is equipped with the axle collar of the second solid refractory swelling material, and it roughly extends around the outer surface of sidewall or a plurality of sidewalls fully.
2. heat resistant casing as claimed in claim 1 is characterized in that, housing is the structure of the roughly rigidity of oneself's support.
3. heat resistant casing as claimed in claim 1 or 2 is characterized in that housing has the cross section of circular.
4. as the described heat resistant casing of the arbitrary claim in front, it is characterized in that, housing be metal or plastics.
5. as the described heat resistant casing of the arbitrary claim in front, it is characterized in that the axle collar is contiguous with the sidewall edge away from the top.
6. as the described heat resistant casing of the arbitrary claim in front, it is characterized in that having outward extending antelabium away from the sidewall at top.
7. heat resistant casing as claimed in claim 6 is characterized in that, seal is provided, and it roughly extends around the surface of outward extending antelabium.
8. heat resistant casing as claimed in claim 7 is characterized in that, seal is orientated as and made that seal will be clipped between outward extending antelabium and this maintenance surface when shell is assembled in the maintenance surface.
9. as the described heat resistant casing of the arbitrary claim in front, it is characterized in that the top provides a plurality of holes.
10. as the described heat resistant casing of the arbitrary claim in front, it is characterized in that the first solid refractory swelling material provides a plurality of holes.
11., it is characterized in that housing also provides the dish that supports the first solid refractory swelling material as the described heat resistant casing of the arbitrary claim in front.
12., it is characterized in that the surface, inside at the first solid refractory swelling material and top separates 2 to 8mm gap as the described heat resistant casing of the arbitrary claim in front.
13. heat resistant casing as claimed in claim 12 is characterized in that, the gap from 2 to 5mm.
14. heat resistant casing as claimed in claim 11 is characterized in that, dish is provided with at least one the hole.
15. heat resistant casing as claimed in claim 14 is characterized in that, at least one hole in the dish conforms to at least one hole of the first solid refractory swelling material.
16. any one the described heat resistant casing as in the claim 11 to 15 is characterized in that electric installation is attached on the dish.
17., it is characterized in that the surface, inside of electric installation and sidewall or a plurality of sidewalls separates as the described heat resistant casing of the arbitrary claim in front.
18., it is characterized in that electric installation comprises lamp socket as the described heat resistant casing of the arbitrary claim in front.
19., it is characterized in that the first solid refractory swelling material and the second solid refractory swelling material have roughly the same composition as the described heat resistant casing of the arbitrary claim in front.
20., it is characterized in that it is suitable for recessed supporting construction as the described heat resistant casing of the arbitrary claim in front.
21. the heat resistant casing of describing referring to figs. 1 to arbitrary figure of 6 according to claim 1 and roughly as here.
CN200580019996.XA 2004-06-18 2005-05-17 Heat resistant casing Active CN100529513C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB0413655.2 2004-06-18
GBGB0413655.2A GB0413655D0 (en) 2004-06-18 2004-06-18 Heat resistant casing
GB0504267.6 2005-03-02

Publications (2)

Publication Number Publication Date
CN1969146A true CN1969146A (en) 2007-05-23
CN100529513C CN100529513C (en) 2009-08-19

Family

ID=32750154

Family Applications (2)

Application Number Title Priority Date Filing Date
CN200510052654.XA Pending CN1710326A (en) 2004-06-18 2005-03-07 Heat resistant casing
CN200580019996.XA Active CN100529513C (en) 2004-06-18 2005-05-17 Heat resistant casing

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CN200510052654.XA Pending CN1710326A (en) 2004-06-18 2005-03-07 Heat resistant casing

Country Status (8)

Country Link
EP (1) EP1607675A1 (en)
CN (2) CN1710326A (en)
AT (1) ATE465371T1 (en)
DE (1) DE602005020778D1 (en)
DK (1) DK1756472T3 (en)
GB (2) GB0413655D0 (en)
HK (1) HK1107137A1 (en)
NZ (1) NZ551296A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009006786A1 (en) * 2007-07-05 2009-01-15 Liangju Wu A fireproof lamp
WO2009086732A1 (en) * 2007-12-11 2009-07-16 Liangju Wu Embedded type lamp with heat radiating device
CN104456473A (en) * 2013-09-25 2015-03-25 奥斯兰姆施尔凡尼亚公司 Mountable connector box for electrical device
CN114761647A (en) * 2019-09-16 2022-07-15 豪倍公司 Fire-proof sleeveless embedded lamp

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2421070B (en) 2005-01-27 2007-01-10 Rd Europe Ltd Fire-resistant cover for lighting fitting
GB2422191B (en) * 2005-01-27 2007-01-10 Rd Europe Ltd Fire-resistant lighting fitting
GB0510494D0 (en) 2005-05-23 2005-06-29 Aurora Ltd Improvements to fire related downlights
GB2429052B (en) * 2005-08-08 2010-09-22 Laurence Kovacs Lighting assemblies
CN200958737Y (en) * 2006-09-22 2007-10-10 武良举 Fireproof cylindrical light
US8029345B2 (en) * 2006-09-29 2011-10-04 Unico, Inc. Fire stop outlet for small duct, high velocity air distribution systems
US7670033B2 (en) * 2007-01-11 2010-03-02 Tenmat Ltd. Fire stop for light fixture
GB0710328D0 (en) 2007-05-30 2007-07-11 Intram Bramwell Ltd Casing
GB2453950A (en) * 2007-10-23 2009-04-29 Emcogroup Ltd Fire damper
GB2459538B (en) * 2008-05-01 2011-07-20 Photonstar Led Ltd Fire rated luminaire
CN202118720U (en) * 2011-05-19 2012-01-18 武良举 Embedded fireproof ceiling lamp
CN202284754U (en) * 2011-10-26 2012-06-27 武良举 Light emitting diode (LED) fireproof lamp
GB2515649B (en) * 2014-06-09 2015-10-14 Kosnic Lighting Ltd Fire resistant downlight
US9752765B2 (en) 2015-02-16 2017-09-05 Elite Lighting Fire rated recessed lighting assembly
US9512994B2 (en) 2015-02-16 2016-12-06 Elite Lighting Fire rated recessed lighting assembly
USD791395S1 (en) 2015-04-03 2017-07-04 Elite Lighting Disc insert for a lighting assembly
USD785852S1 (en) 2015-04-03 2017-05-02 Elite Lighting Adapter for a fire rated lighting assembly
USD810997S1 (en) 2015-04-07 2018-02-20 Elite Lighting Ring for recessed lighting
USD799935S1 (en) 2015-04-09 2017-10-17 Elite Lighting Disc
USD791394S1 (en) 2015-11-06 2017-07-04 Elite Lighting Disc insert for a lighting assembly
GB2552937B (en) * 2016-08-08 2018-11-14 All Led Ltd Downlight assembly

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9220478D0 (en) * 1992-09-29 1992-11-11 Hamilton Arthur P Fire stop covering device for aperture in fire resistant structure
GB9501391D0 (en) * 1995-01-25 1995-03-15 Environmental Seals Ltd Ventilated covers for electrical fittings
AU4311097A (en) * 1996-09-20 1998-04-14 Peter Charles Jones Installation of lighting or other fittings in ceilings
GB9710921D0 (en) * 1997-05-29 1997-07-23 Euro Passive Fire Protection L Ventilated covers for electrical fittings
GB2326467A (en) * 1997-05-29 1998-12-23 Environmental Seals Ltd Downlighter with integral fire-resistant hood
US6105334A (en) * 1997-09-16 2000-08-22 Logic Construction Systems, L.L.C. Fire resistant lighting enclosure
GB2345125B (en) * 1998-12-23 2002-05-01 Tenmat Ltd Intumescent downlighter cover and method of manufacturing same
GB2403235B (en) * 2002-07-20 2005-06-08 Laurence Keith Kovacs A mounting arrangement

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009006786A1 (en) * 2007-07-05 2009-01-15 Liangju Wu A fireproof lamp
US8333490B2 (en) 2007-07-05 2012-12-18 Liangju Wu Fireproof light fixture
WO2009086732A1 (en) * 2007-12-11 2009-07-16 Liangju Wu Embedded type lamp with heat radiating device
US8517568B2 (en) 2007-12-11 2013-08-27 Liangju Wu Embedded type lamp with heat radiating device
CN104456473A (en) * 2013-09-25 2015-03-25 奥斯兰姆施尔凡尼亚公司 Mountable connector box for electrical device
CN114761647A (en) * 2019-09-16 2022-07-15 豪倍公司 Fire-proof sleeveless embedded lamp

Also Published As

Publication number Publication date
NZ551296A (en) 2009-12-24
DE602005020778D1 (en) 2010-06-02
CN100529513C (en) 2009-08-19
EP1607675A1 (en) 2005-12-21
HK1107137A1 (en) 2008-03-28
ATE465371T1 (en) 2010-05-15
GB2415245A (en) 2005-12-21
DK1756472T3 (en) 2010-07-26
GB0504267D0 (en) 2005-04-06
GB0413655D0 (en) 2004-07-21
GB2415245B (en) 2007-03-28
CN1710326A (en) 2005-12-21

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