CN100529526C

CN100529526C - Inserted fire-proof lamp

Info

Publication number: CN100529526C
Application number: CNB200410027598XA
Authority: CN
Inventors: 武良举
Original assignee: 武良举
Current assignee: Vertex Lighting and Electrical Co Ltd
Priority date: 2004-06-09
Filing date: 2004-06-09
Publication date: 2009-08-19
Anticipated expiration: 2024-06-09
Also published as: CN1900586A

Abstract

Embedded type fireproofing light fixture is composed of lamp body and fireproofing cover. The lamp body is installed inside cover produced from refractory materials. There are thermovents on wall of the fireproofing cover. Expanding typed fireproofing pieces made from fireproofing materials are installed on thermovents. There are heat elimination holes on the fireproofing pieces, on places corresponding to thermovents, or on between the fireproofing piece and the fireproofing cover. Normal heat elimination is carried out through thermovents. In case of fire, the fireproofing pieces expand rapid to close down thermovents. The fireproofing cover insulates lamp body from external inflammable so as to prevent fire from spreading.

Description

Embedded fire resistant lighting fitting

Technical field

The present invention relates to a kind of light fixture, especially a kind of embedded fire resistant lighting fitting.

Background technology

In the modern Interior finishing, for attractive in appearance and illumination, people are usually at furred ceiling, the bag wall, on the wallboard in family property or the like place some recessed light fixtures are installed, fire spreading when preventing that fire from taking place, what the wallboard in above place used all is fire-proof board, the surface of fire-proof board is a fireprotection layer, the intermediate layer generally but is flammable, necessary perforate on PLASTIC LAMINATED when recessed light fixture is installed, and existing recessed light fixture does not possess the function that stops fire spreading, so just cause the flare can be by the ignite intermediate layer of PLASTIC LAMINATED of these recessed light fixtures, PLASTIC LAMINATED just play due anti-fire action yet; More seriously, often there are a large amount of combustibles in furred ceiling and the bag wall interlayer and the inside of family property, as yoke, electric wire, clothing etc., and flare these combustibles that in a single day ignite, the intensity of a fire is with rapid spread.

Summary of the invention

In order to overcome the deficiencies in the prior art, the purpose of this invention is to provide a kind of embedded fire resistant lighting fitting that prevents the fire spreading function that has.

The technical solution adopted for the present invention to solve the technical problems is:

Embedded fire resistant lighting fitting, comprise lamp body, described lamp body is installed in the flameproof enclosure, on the cover wall of flameproof enclosure thermovent is arranged, and expansion type fire prevention sheet is equipped with at the thermovent place, on the expansion type fire prevention sheet, the position corresponding or prevent fires at expansion type and between sheet and the flameproof enclosure wall louvre to be arranged with thermovent, on the described cover wall cavity is arranged, have thermovent on the chamber wall of cavity, expansion type fire prevention sheet is inlaid in the cavity, be pressed with cover plate on the expansion type fire prevention sheet, cover plate is fixedly mounted on the flameproof enclosure.

The invention has the beneficial effects as follows: lamp body of the present invention is installed in the flameproof enclosure of being made by refractory material, thermovent is arranged on the flameproof enclosure, be equipped with by fire prevention and prolong the expansion type fire prevention sheet that the burning material is made at the thermovent place, light fixture can normally dispel the heat by thermovent under general case, guaranteed the life-span of light fixture and light source thereof, thermovent can seal voluntarily because of the prevent fires rapid expansion of sheet of expansion type when meeting fire, and flameproof enclosure is isolated the lamp body and the combustibles in the external world fully, can prevent that the intensity of a fire from outwards being spread by lamp body.

Description of drawings

The present invention is further described below in conjunction with accompanying drawing.

Fig. 1 is the structural representation of first kind of embodiment of the present invention;

Fig. 2 is the structural representation of second kind of embodiment of the present invention;

Fig. 3 is the structural representation of the third embodiment of the present invention.

The specific embodiment

Fig. 1 has provided a kind of structural representation of embedded fire resistant lighting fitting, among the figure, lamp body 1, described lamp body 1 is installed in the flameproof enclosure 2, on the cover wall of flameproof enclosure 2 thermovent 3 is arranged, expansion type fire prevention sheet 4 is equipped with at thermovent 3 places, on the expansion type fire prevention sheet 4, the position corresponding or prevent fires at expansion type and between sheet 4 and the flameproof enclosure wall louvre 5 to be arranged with thermovent 3, on the described cover wall cavity 6 is arranged, have thermovent 3 on the chamber wall of cavity 6, expansion type fire prevention sheet 4 is inlaid in the cavity 6, is pressed with cover plate 7 on the expansion type fire prevention sheet 4, and cover plate 7 is fixedly mounted on the flameproof enclosure 2; In the present embodiment, lamp body 1 is fixedly mounted in the flameproof enclosure 2 made of iron by screw, have wire hole on the cover wall of flameproof enclosure 2, electric wire 9 passes wire hole light source is connected in the external circuitry, wire hole seals with fire proofing simultaneously, equally, electric wire 9 also can directly pass and prevent that fire hole links to each other with external circuitry; One thermovent 3 is arranged on the bottom surface of cavity 6, and louvre 5 is positioned at the top of thermovent 3, and spring clip 8 is housed on the flameproof enclosure 2, is used for lamp installation in addition, on the lampshade a plurality of lamp sockets can being installed at sheet material, also a plurality of light sources can be installed on each lamp socket.Because thermal current rises, so thermovent 3 places the top light fixture of being more convenient for to dispel the heat; Expansion type fire prevention sheet 4 has fire prevention to prolong to burn material to be made, and can expand rapidly when meeting fire, thereby make louvre 5 sealings, so just can stop fire spreading to combustibles on every side; Because expansion type fire prevention sheet 4 is positioned at cavity, and cover plate 7 is housed on it, so just make expansion type fire prevention sheet 4 when meeting fire lateral expansion take place mainly, the speed that louvre 5 is closed is also just faster.CP-25, the CS-195 that the burning material can be selected Minnesota Mining and Manufacturing Company for use, CPS-AA546 of U.S. Acnielsen Ltd. or the like are prolonged in the fire prevention of expansion type fire prevention sheet 4.

Fig. 2 has provided the structural representation of another kind of embedded fire resistant lighting fitting, and lamp body 1 is made up of light source and lamp socket among the figure, and lamp body 1 is positioned at flameproof enclosure 2, and flameproof enclosure 2 had both played the effect that prevents fire spreading, plays the effect of lampshade again, and is simple in structure, saves cost; Have thermovent 3 on the roof of flameproof enclosure 2 simultaneously, expansion type fire prevention sheet 4 is inlaid in the thermovent 3, has a plurality of louvres on the expansion type fire prevention sheet 4, can improve the radiating efficiency of light fixture like this.

Fig. 3 has provided the structural representation of another kind of embedded fire resistant lighting fitting, have a plurality of thermovents 3 among the figure on the roof of flameproof enclosure 2, expansion type fire prevention sheet 4 is installed in the upper surface of the roof of flameproof enclosure 2 by screw, and on expansion type fire prevention sheet 4, all there is louvre 5 at the place, top of each thermovent 3, a plurality of thermovents are set like this will help the heat radiation of light fixture more, also have thermovent 3 on the sidewall of flameproof enclosure 2 simultaneously, expansion type fire prevention sheet 4 is inlaid in the thermovent 3, gap between expansion type fire prevention sheet 4 and the thermovent 3 forms louvre 5, when lamp needs laterally to install, as be installed in when wrapping in the wall, the thermovent that can make sidewall can more help heat radiation up like this.

In addition, the invention also has some other embodiment, and as in the middle of first kind of above-mentioned embodiment, the cavity on the flameproof enclosure also can be arranged to the protruding chamber of evagination, and the fire prevention sheet is installed in the protruding chamber, and cover plate then be the supporting plate of sheet picking-up of will preventing fires; Perhaps in the middle of the third above-mentioned embodiment, the fire prevention sheet can be installed in lower surface of roof or the like.

Claims

1. embedded fire resistant lighting fitting, comprise lamp body (1), described lamp body (1) is installed in the flameproof enclosure (2), thermovent (3) is arranged on the cover wall of flameproof enclosure (2), thermovent (3) locates to be equipped with expansion type fire prevention sheet (4), on expansion type fire prevention sheet (4), the position corresponding or between expansion type fire prevention sheet (4) and flameproof enclosure wall, louvre (5) is arranged with thermovent (3), it is characterized in that: cavity (6) is arranged on the described cover wall, have thermovent (3) on the chamber wall of cavity (6), expansion type fire prevention sheet (4) is inlaid in the cavity (6), be pressed with cover plate (7) on the expansion type fire prevention sheet (4), cover plate (7) is fixedly mounted on the flameproof enclosure (2).

2. embedded fire resistant lighting fitting according to claim 1 is characterized in that: described expansion type fire prevention sheet (4) prolongs the burning material by fire prevention and makes.

3. embedded fire resistant lighting fitting according to claim 1 is characterized in that: described thermovent (3) is positioned on the roof of flameproof enclosure (2).

4. embedded fire resistant lighting fitting according to claim 1 is characterized in that: the quantity of the quantity of described thermovent (3) and louvre (5) can be one or more.