CN1710326A - Heat resistant casing - Google Patents
Heat resistant casing Download PDFInfo
- Publication number
- CN1710326A CN1710326A CN200510052654.XA CN200510052654A CN1710326A CN 1710326 A CN1710326 A CN 1710326A CN 200510052654 A CN200510052654 A CN 200510052654A CN 1710326 A CN1710326 A CN 1710326A
- Authority
- CN
- China
- Prior art keywords
- housing
- heat resistant
- resistant casing
- fire
- swelling material
- 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.)
- Pending
Links
- 239000000463 material Substances 0.000 claims abstract description 32
- 239000007787 solid Substances 0.000 claims abstract description 19
- 230000008961 swelling Effects 0.000 claims description 17
- 238000009434 installation Methods 0.000 claims description 15
- 239000011819 refractory material Substances 0.000 claims description 3
- 230000009970 fire resistant effect Effects 0.000 abstract 2
- 239000003779 heat-resistant material Substances 0.000 abstract 1
- 238000009423 ventilation Methods 0.000 description 5
- 230000001681 protective effect Effects 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010439 graphite Substances 0.000 description 3
- 229910002804 graphite Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000010719 annulation reaction Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- CWBIFDGMOSWLRQ-UHFFFAOYSA-N trimagnesium;hydroxy(trioxido)silane;hydrate Chemical compound O.[Mg+2].[Mg+2].[Mg+2].O[Si]([O-])([O-])[O-].O[Si]([O-])([O-])[O-] CWBIFDGMOSWLRQ-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
-
- 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
-
- 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
-
- 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
Landscapes
- 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)
- Ceramic Products (AREA)
- Glass Compositions (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Casings For Electric Apparatus (AREA)
- Finishing Walls (AREA)
- Installation Of Indoor Wiring (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 side-wall (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
Technical field
This invention relates to a kind ofly to be used with electric installation, especially the new refractory outer cover that uses with lamp socket.
Background technology
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 purpose 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.
Summary of the invention
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.
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 acid.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 characteristics that briefly are described among the single embodiment with arbitrary suitable combination.
Description of drawings
With reference now to accompanying drawing,, embodiments of the invention will be described:
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, itself and substrate disc attachment and and cable pass through.
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.
The specific embodiment
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, the hole on the top 11, solid refractory swelling material 17 and dish 16 play the effect into shell ventilation and heat radiation.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.
Claims (11)
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 has a hole at least, 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 inner surface and the electric installation, it is characterized in that, the first solid refractory swelling material has a hole at least, and it is spaced apart with top inner surface, 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, the axle collar is contiguous with the sidewall edge away from the top.
4. as the described heat resistant casing of the arbitrary claim in front, it is characterized in that the first solid refractory swelling material has a plurality of holes.
5. as the described heat resistant casing of the arbitrary claim in front, it is characterized in that housing supports the dish of the first solid refractory swelling material in addition.
6. as the described heat resistant casing of the arbitrary claim in front, it is characterized in that the surface, inside at the first solid refractory swelling material and top separates 2 to 8mm gap.
7. heat resistant casing as claimed in claim 6 is characterized in that the gap is between 2 to 5mm.
8. heat resistant casing as claimed in claim 5 is characterized in that, dish has a hole at least.
9. heat resistant casing as claimed in claim 8 is characterized in that, at least one hole in the dish conforms to at least one hole of the first solid refractory swelling material.
10. as any one the described heat resistant casing in the claim 5 to 9, it is characterized in that electric installation is attached on the dish.
11., 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.
Applications Claiming Priority (2)
| 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 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1710326A true CN1710326A (en) | 2005-12-21 |
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 After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200580019996.XA Active CN100529513C (en) | 2004-06-18 | 2005-05-17 | 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 (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008037152A1 (en) * | 2006-09-22 | 2008-04-03 | Liangju Wu | A cylindrical shaped fireproof lamp fitting |
| WO2012155795A1 (en) * | 2011-05-19 | 2012-11-22 | Wu Liangju | Embedded fire-retardant ceiling lamp |
Families Citing this family (23)
| 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 |
| 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 |
| WO2009006786A1 (en) * | 2007-07-05 | 2009-01-15 | Liangju Wu | A fireproof lamp |
| GB2453950A (en) * | 2007-10-23 | 2009-04-29 | Emcogroup Ltd | Fire damper |
| CN201149181Y (en) * | 2007-12-11 | 2008-11-12 | 武良举 | Embedded type lamp with heat radiating device |
| GB2459538B (en) * | 2008-05-01 | 2011-07-20 | Photonstar Led Ltd | Fire rated luminaire |
| CN202284754U (en) * | 2011-10-26 | 2012-06-27 | 武良举 | Light emitting diode (LED) fireproof lamp |
| US20150087174A1 (en) * | 2013-09-25 | 2015-03-26 | Osram Sylvania Inc. | Mountable connector box for electrical device |
| GB2515649B (en) * | 2014-06-09 | 2015-10-14 | Kosnic Lighting Ltd | Fire resistant downlight |
| US9512994B2 (en) | 2015-02-16 | 2016-12-06 | Elite Lighting | Fire rated recessed lighting assembly |
| US9752765B2 (en) | 2015-02-16 | 2017-09-05 | 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 |
| WO2021055450A1 (en) * | 2019-09-16 | 2021-03-25 | Hubbell Incorporated | Fire rated canless recessed luminaire |
Family Cites Families (8)
| 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 |
| WO1998012472A1 (en) * | 1996-09-20 | 1998-03-26 | Peter Charles Jones | Installation of lighting or other fittings in ceilings |
| GB2326467A (en) * | 1997-05-29 | 1998-12-23 | Environmental Seals Ltd | Downlighter with integral fire-resistant hood |
| GB9710921D0 (en) * | 1997-05-29 | 1997-07-23 | Euro Passive Fire Protection L | Ventilated covers for electrical fittings |
| 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 |
-
2004
- 2004-06-18 GB GBGB0413655.2A patent/GB0413655D0/en not_active Ceased
- 2004-12-14 EP EP04257764A patent/EP1607675A1/en not_active Withdrawn
-
2005
- 2005-03-02 GB GB0504267A patent/GB2415245B/en active Active
- 2005-03-07 CN CN200510052654.XA patent/CN1710326A/en active Pending
- 2005-05-17 NZ NZ551296A patent/NZ551296A/en not_active IP Right Cessation
- 2005-05-17 AT AT05744670T patent/ATE465371T1/en not_active IP Right Cessation
- 2005-05-17 DE DE602005020778T patent/DE602005020778D1/en active Active
- 2005-05-17 CN CN200580019996.XA patent/CN100529513C/en active Active
- 2005-05-17 DK DK05744670.0T patent/DK1756472T3/en active
-
2007
- 2007-11-16 HK HK07112559.1A patent/HK1107137A1/en not_active IP Right Cessation
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008037152A1 (en) * | 2006-09-22 | 2008-04-03 | Liangju Wu | A cylindrical shaped fireproof lamp fitting |
| WO2012155795A1 (en) * | 2011-05-19 | 2012-11-22 | Wu Liangju | Embedded fire-retardant ceiling lamp |
| GB2505614A (en) * | 2011-05-19 | 2014-03-05 | Liangju Wu | Embedded fire-retardant ceiling lamp |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1969146A (en) | 2007-05-23 |
| ATE465371T1 (en) | 2010-05-15 |
| EP1607675A1 (en) | 2005-12-21 |
| CN100529513C (en) | 2009-08-19 |
| DE602005020778D1 (en) | 2010-06-02 |
| GB0504267D0 (en) | 2005-04-06 |
| GB2415245B (en) | 2007-03-28 |
| GB2415245A (en) | 2005-12-21 |
| HK1107137A1 (en) | 2008-03-28 |
| GB0413655D0 (en) | 2004-07-21 |
| NZ551296A (en) | 2009-12-24 |
| DK1756472T3 (en) | 2010-07-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |