CN101280899B - Fireproofing embedding lamp - Google Patents
Fireproofing embedding lamp Download PDFInfo
- Publication number
- CN101280899B CN101280899B CN 200810035931 CN200810035931A CN101280899B CN 101280899 B CN101280899 B CN 101280899B CN 200810035931 CN200810035931 CN 200810035931 CN 200810035931 A CN200810035931 A CN 200810035931A CN 101280899 B CN101280899 B CN 101280899B
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- CN
- China
- Prior art keywords
- housing
- closure elements
- fixed leg
- louvre
- swivel ferrule
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- 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 - Fee Related
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Abstract
The invention relates to a fireproof embedding lamp including a casing with lower end opened and a plurality of heat radiation holes arranged on upper end section, the embedding lamp has a fireproof heat-proof device including: a sealing element movably arranged near the heat radiation holes of the casing, and a plurality of sheltering sections respectively corresponding to the heat radiation holes on the casing are provided; a driving device with a mobile section coupling to the sealing element, a fixing section coupling the casing and a drive member between the mobile section and the fixing section; the mobile section and fixing section of the driving device are arranged to set the sealing element and the casing in position where the heat radiation holes of the casing are not shaded by the sealing element in normal temperature, and the mobile section of the driving device are moved by the drive member to a position where the heat radiation holes of the casing are shaded by the sealing element in high temperature. According to the invention, fireproof efficacy can be achieved by effectively preventing heat diffusion.
Description
Technical field
The present invention relates to a kind of overhead illumination Recessed light, refer to a kind of overhead illumination Recessed light that is provided with the fire-proof and thermal-insulation device especially.
Background technology
Recessed light is a kind of lighting that can be embedded in the ceiling perforation, its characteristics with concealed setting can fully satisfy the requirement of indoor decoration space utilization, so applied to room lighting widely at present, become the new lover of amusement, leisure place even office space especially.But; Recessed light is in the perforation that is embedded on the ceiling; so have the bad shortcoming of congenital heat radiation; along with lighting hours prolongs; temperature raises, and will inevitably influence the service life of lamp, in order to overcome this defective; usually can design louvre on the Recessed light lamp bucket shell, during illumination by can in time reducing temperature in the lamp with the cold and hot convection current in the external world.
Yet, general Recessed light is to be drilled with a perforation on ceiling when mounted, it is embedded in the perforation of ceiling then, during use, this kind design makes the ceiling that has the fire-proof and thermal-insulation effect originally breach occur, if unfortunate breaking out of fire, high temperature air will inevitably rise and louvre by Recessed light enters the space of ceiling top, so flare is spread to bigger zone by the ceiling superjacent air space, especially be that the floor power supply is set on ceiling, supply water, air feed, during the space of heating circuit and pipeline, may burn all these type of facilities, cause catastrophic consequence.
Therefore, be necessary to design and a kind ofly can either guarantee Recessed light heat radiation requirement in use, can when running into fire, avoid the flame expansion to cause bigger disaster to external diffusion by effective intercept heat heat radiating via hole again, play the Recessed light of fire-proof and thermal-insulation effect.
Summary of the invention
The object of the present invention is to provide a kind of fire prevention illumination Recessed light, the housing and the fire-proof and thermal-insulation device that comprise illuminator, its housing is provided with louvre, good thermolysis can be brought into play, during breaking out of fire, when reaching uniform temperature in the normal use of Recessed light, can see through the fire-proof and thermal-insulation device, cover louvre effectively, the intercept heat heat radiating via hole is to external diffusion, to reach the purpose that prevents fire spread.
To achieve the above object of the invention, the invention provides a kind of Recessed light, have one and cover on the outer housing of bulb, its lower ending opening and the upper end is provided with a plurality of louvres is characterized in that described Recessed light is provided with a fire-proof and thermal-insulation device, and described fire-proof and thermal-insulation device comprises:
One closure elements, it is located at the position near the housing louvre movably, and is provided with a plurality of occlusion parts that correspond respectively to a plurality of louvres on the housing;
One drive unit, it has a moving part that is connected in described closure elements, and one is connected in the fixed part of described housing, and a actuator between described moving part and fixed part;
The moving part of described drive unit and fixed part are configured to make at normal temperatures closure elements and housing to be in to make the housing louvre not be closed the position that the element occlusion part covers, and when running into high temperature, described moving part is driven to move on to by actuator and closure elements and housing is in make the housing louvre be closed the position that the element occlusion part covers, thereby intercept heat to external diffusion, realizes the fire safety effect through the louvre of housing effectively.
Another aspect of the present invention purpose is to provide a kind of fire prevention illumination Recessed light, has the housing of an illuminator, and its lower ending opening and the upper end is provided with a plurality of louvres is characterized in that described Recessed light is provided with a fire-proof and thermal-insulation device, and described fire-proof and thermal-insulation device comprises:
One closure elements, it rotatably is arranged at the position near the housing louvre, and is provided with a plurality of occlusion parts that correspond respectively to a plurality of louvres on the housing;
One drive unit, it has a swivel ferrule that is connected in described closure elements, and the flange of swivel ferrule is provided with a lockhole, one is connected in the fixed leg of described housing, an and driving spring that is arranged between described swivel ferrule and the fixed leg, this spring the inner is connected in fixed leg, and the spring outer end is connected in swivel ferrule;
One meltable locking member, be arranged at and closure elements and housing be in make the housing louvre not be closed the position that the element occlusion part covers in the lockhole of described swivel ferrule described swivel ferrule being locked in, when described meltable locking member is met high temperature melting, described swivel ferrule is passed by driving spring and closure elements and housing is in make the housing louvre be closed the position that the element occlusion part covers, thereby intercept heat to external diffusion, realizes the fire safety effect through the louvre of housing effectively.
Of the present invention more on the one hand purpose be to provide a kind of fire prevention illumination Recessed light, have the housing of an illuminator, its lower ending opening and the upper end is provided with a plurality of louvres is characterized in that described Recessed light is provided with a fire-proof and thermal-insulation device, described fire-proof and thermal-insulation device comprises:
One closure elements, it is located at the position near the housing louvre movably, and is provided with a plurality of occlusion parts that correspond respectively to a plurality of louvres on the housing;
One drive unit, it is a memory metal sheet, has a moving part that is connected in described closure elements, one is connected in the fixed part of described housing, and a actuator between described moving part and fixed part;
Described memory metal sheet is configured to make at normal temperatures closure elements and housing to be in to make the housing louvre not be closed the position that the element occlusion part covers, and when running into high temperature, described memory metal sheet produces thermal deformation, its moving part is driven to move on to by actuator and closure elements and housing is in make the housing louvre be closed the position that the element occlusion part covers, thereby intercept heat to external diffusion, realizes the fire safety effect through the louvre of housing effectively.
Description of drawings
Fig. 1 is the cutaway view according to fireproofing embedding lamp of the present invention;
Fig. 2 is the three-dimensional exploded view according to the embodiment of the fire-proof and thermal-insulation device of fireproofing embedding lamp of the present invention;
Position when the closure elements that the schematic diagram of Fig. 3 has been described the Recessed light fire-proof and thermal-insulation device of Fig. 2 is locked to shielding casing louvre not;
Position when the closure elements that the schematic diagram of Fig. 4 has been described the Recessed light fire-proof and thermal-insulation device of Fig. 2 is in the shielding casing louvre after drive unit moves; And
Fig. 5 is the three-dimensional exploded view according to second embodiment of the fire-proof and thermal-insulation device of fireproofing embedding lamp of the present invention.
The specific embodiment
See also the cutaway view of fireproofing embedding lamp shown in Figure 1, fireproofing embedding lamp according to the present invention comprises that panel assembly 30, that housing 20, that a bulb 10, covers on bulb 10 outsides is assembled in the open lower end of housing 20 is located at the geometrical clamp 40 and a fire-proof and thermal-insulation device 50 in housing 20 outsides.
Wherein, the housing 20 of bulb 10 is metal cylinder shaped lamp bucket, its lower ending opening, and the upper surface is provided with a centre bore 21, is provided with a plurality of louvres 22 (referring to Fig. 2) and a pair of locating hole 23 around centre bore 21.
Panel assembly 30 comprises the concordant substantially inner ring in bottom surface 31, centre circle 32 and outer ring 33,33 cross sections, outer ring are L-shaped, are fixed in the open lower end of housing 20, and centre circle 32 is articulated in 33 inboards, outer ring, inner ring 31 is fixed in centre circle 32 inboards, is used for supporting and fixed light source lamp 10.
Geometrical clamp 40 is a spring clip, be used for Recessed light lamp bucket is fixed in the perforation on the ceiling, the edge of ceiling perforation by clamping between the spring clip of the flange of the outer ring 33 of panel assembly 30 and geometrical clamp 40.
Below with reference to the detailed structural representation of explaining according to the Recessed light fire-proof and thermal-insulation device 50 of a specific embodiment of the present invention of Fig. 2.As shown in Figure 2, this fire-proof and thermal-insulation device 50 comprises a closure elements 51, a drive unit 52, an inner splint 53, a standing screw 54, a locking member 55 and bolt 56.
Described closure elements 51 is a disc, be provided with near housing 20 upper ends, it is provided with a centre bore 511 corresponding to housing 20 upper surface centre bores 21, around this centre bore 511, be provided with a plurality of louvres 512 corresponding to a plurality of louvres 22 on the housing 20, the a pair of circular arc slotted hole 513 that along the circumferential direction extends, and two clip shutters 514 of projection vertically downward corresponding to the locating hole on the housing 20 23.
Described drive unit 52 is made up of a fixed leg 521, a swivel ferrule 522 and a driving spring 523.Fixed leg 521 spiral shells are located at standing screw 54 outsides, and the upper end of fixed leg 521 is provided with a spring card slot 5211.Standing screw 54 passes the centre bore of inner splint 53, fixed leg 521, closure elements 51 and housing 20 upper surfaces, and is fixedly connected on housing 20 centers by the nut at two ends.This standing screw 54 is hollow, middle electric wire for bulb wear by.Swivel ferrule 522 rotatably is sheathed on the outside of fixed leg 521, and its upper end is provided with two clamping groove 5221 and spring card slots 5223 corresponding to the card washer 514 of closure elements 51, and the base flange of its swivel ferrule 522 is provided with a lockhole 5225.The inner of driving spring 523 is stuck in the draw-in groove 5211 of fixed leg 521 upper ends, and the outer end of driving spring 523 is stuck in the draw-in groove 5223 of swivel ferrule 522 upper ends.
Described inner splint 53 and closure elements 51 are similar to be disc, also be provided with a centre bore 531 accordingly, around centre bore 531, be provided with a plurality of louvres 532 corresponding to a plurality of louvres 22 on the housing 20, a pair of locating hole 533 and a lockhole 535 corresponding to the lockhole on the swivel ferrule 522 5225 corresponding to the locating hole on the housing 20 23.
During assembling, the fixed leg 521 of drive unit 52 is fixed between inner splint 53 and the housing 20 by standing screw 54 and nut, swivel ferrule 522 is sheathed on fixed leg 521 outsides, driving spring 523 the inners are connected in the spring card slot 5211 of fixed leg 521, driving spring 523 outer ends are connected in the spring card slot 5223 of swivel ferrule 522, and swivel ferrule 522 rotated to make lockhole 5225 align with lockhole 535 on the inner splint 53, with locking member 55, an i.e. meltable plastic rivet, the lockhole 535 that passes inner splint 53 inserts in the lockhole 5225 of swivel ferrules 522, thereby swivel ferrule 522 is fixed on make driving spring 523 to keep the position of certain elastic-restoring force.
51 of closure elements are installed in above the drive unit 52, and its clip shutter 514 is fastened in respectively in the clamping groove 5221 of swivel ferrule 522 upper end correspondences.A pair of bolt 56 passes locating hole 533 and the slotted hole 513 of closure elements 51 and the locating hole 23 of housing 20 of inner splint 53 respectively, make inner splint 53 and housing 20 keep orientating as the relation that horizontal direction does not have relative displacement, and the design of the slotted hole 513 of closure elements 51, can allow closure elements 51 to rotate a restricted portion in its horizontal direction, the rotating range of this qualification is the longitudinal extension length of described slotted hole 513.Draw-in groove 5221 positions of swivel ferrule 522 are designed to, the lockhole 5225 that inserts swivel ferrules 522 at plastic rivet 55 is during with the lockhole 535 locking swivel ferrules 522 of inner splint 53, and the closure elements 51 that order is connected in swivel ferrule 522 is in its louvre 512 fully corresponding to the position of the louvre 532 of the louvre 22 of housing 20 and inner splint 53.
When normal the use, please refer to the state diagram of Fig. 3, show among the figure that the louvre 512 of closure elements 51 is fully corresponding with the louvre 22 of housing 20, bolt 56 passes the slotted hole 513 of closure elements 51 also near slotted hole 513 first end positions.The louvre 512 of closure elements 51 overlaps with the position of the louvre 22 of housing 20 in this state, air can circulate by the louvre 532 of the mutual inner splint 53 that aligns, the louvre 512 of closure elements 51 and the louvre 22 of housing 20, thereby plays the effect of heat radiation; Temperature in the lamp bucket raises, for example reach when surpassing 350 °, described plastic rivet 55 is met high temperature melting, this moment, the elastic-restoring force of described driving spring 523 drove described swivel ferrule 522, turn to the position that Fig. 4 represents with described closure elements 51, under this state, described bolt 56 moves on to the relative other end of described slotted hole 513 from first end of slotted hole 513, the louvre 512 of described closure elements 51 staggers with louvre 22 positions of described housing 20, be that occlusion part between the louvre 512 of closure elements 51 covers the louvre 22 of this housing 20 respectively fully, the louvre 22 that the heat of blocking-up housing 20 belows sees through housing 20 is the path of diffusion upwards, thereby avoid the expansion of flame, play the effect of security protection.
Please refer to shown in Figure 5 again, in second kind of feasible embodiment, housing 20 ' on a plurality of louvres 22 ' be arranged on side, housing 20 ' upper end rather than upper surface, correspondingly, closure elements 51 ' sidewall be provided with a plurality of corresponding to housing 20 ' on a plurality of louvres 22 ' louvre 512 '.The channel direction of its heat radiation and first embodiment are different, but principle is identical.When the louvre on the closure elements 51 512 ' aligning housing 20 ' on 22 ' time of louvre, air can pass louvre 22 ', 512 ' circulation.And when closure elements 51 ' louvre 512 ' between occlusion part shielding casing 20 ' on 22 ' time of louvre, circulation of air is intercepted, and has avoided thermal diffusion to realize the fire prevention effect.
In the feasible embodiment of another kind, the actuator that described drive unit can utilize a kind of memory metal to make, this actuator can form a lamellar body, it comprises that one is connected in the moving part of described closure elements, one is connected in the fixed part of described housing, and a driving chip between described moving part and fixed part.Closure elements and housing are in and make the housing louvre not be closed the position that the element occlusion part covers at normal temperatures, and when running into high temperature, described memory metal sheet produces thermal deformation, its moving part is driven to move on to by driving chip and closure elements and housing is in make the housing louvre be closed the position that the element occlusion part covers, thereby intercept heat to external diffusion, realizes the fire safety effect through the louvre of housing effectively.
Be understandable that the detailed description of the foregoing description is in order to set forth and explain principle of the present invention rather than to the qualification of protection scope of the present invention.Under the prerequisite that does not break away from purport of the present invention, one of ordinary skill in the art can be made modification by the understanding to the principle of being instructed of technique scheme on these embodiment bases, changes and changes.Therefore protection scope of the present invention by appended claim with and be equal to and limit.
Claims (1)
1. Recessed light comprises a lower ending opening and the upper end is provided with the housing of a plurality of louvres, it is characterized in that described Recessed light is provided with a fire-proof and thermal-insulation device, and described fire-proof and thermal-insulation device comprises:
One closure elements, it is located at the position near the louvre of housing movably, and is provided with a plurality of occlusion parts that correspond respectively to a plurality of louvres on the housing, and this closure elements rotatably is assembled in the housing upper end;
One drive unit, it has a swivel ferrule that is connected in described closure elements, one is connected in the fixed leg of described housing, and a spring between described swivel ferrule and fixed leg, described swivel ferrule, be sheathed on the fixed leg outside, this fixed leg is provided with draw-in groove, with the washer clamping mutually of corresponding setting on the closure elements; Described fixed leg is fixedly set in the center of housing upper end; Described spring, its inner is connected in fixed leg, and the outer end is connected in swivel ferrule;
One meltable locking member, be arranged between the swivel ferrule and fixed leg of described drive unit, be used for the louvre that the swivel ferrule of described drive unit and fixed leg are configured to that closure elements and housing are in and make housing is not closed the position that the occlusion part of element covers;
One inner splint is located in the housing and is connected with the fixed leg of housing upper end, be provided with a plurality of louvres in this inner splint, and be provided with the lockhole of a lockhole corresponding to the swivel ferrule bottom, fixing with locking swivel ferrule and fixed leg for meltable locking member, the louvre that closure elements and housing is in make housing is not closed the position that the occlusion part of element covers;
When described meltable locking member was met high temperature melting, described swivel ferrule was driven to move on to by spring and makes closure elements and housing be in the position that occlusion part that the louvre that makes housing is closed element covers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810035931 CN101280899B (en) | 2008-04-11 | 2008-04-11 | Fireproofing embedding lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810035931 CN101280899B (en) | 2008-04-11 | 2008-04-11 | Fireproofing embedding lamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101280899A CN101280899A (en) | 2008-10-08 |
| CN101280899B true CN101280899B (en) | 2010-09-01 |
Family
ID=40013498
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200810035931 Expired - Fee Related CN101280899B (en) | 2008-04-11 | 2008-04-11 | Fireproofing embedding lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101280899B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101825250B (en) * | 2010-02-02 | 2012-11-28 | 鹤山丽得电子实业有限公司 | Embedded light fitting of improved fixing device |
| CN102454928A (en) * | 2010-10-22 | 2012-05-16 | 苏州盟泰励宝光电有限公司 | Light-emitting diode (LED) illuminating lamp |
| CN103453474B (en) * | 2012-05-31 | 2018-02-23 | 海洋王照明科技股份有限公司 | Box type movable lamp |
| CN103453473B (en) * | 2012-05-31 | 2018-02-23 | 海洋王照明科技股份有限公司 | Box type movable lamp |
| CN102878504B (en) * | 2012-08-02 | 2015-11-25 | 武良举 | Light fixture |
| US20150087174A1 (en) * | 2013-09-25 | 2015-03-26 | Osram Sylvania Inc. | Mountable connector box for electrical device |
| CN104033790A (en) * | 2014-06-05 | 2014-09-10 | 立达信绿色照明股份有限公司 | Fireproof down lamp |
| CN205535669U (en) * | 2016-02-18 | 2016-08-31 | 常州斯莱海业照明电器有限公司 | Recessed lamp's fire resistive construction and recessed lamp thereof |
-
2008
- 2008-04-11 CN CN 200810035931 patent/CN101280899B/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN101280899A (en) | 2008-10-08 |
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| PB01 | Publication | ||
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Granted publication date: 20100901 Termination date: 20110411 |