WO2008037152A1 - A cylindrical shaped fireproof lamp fitting - Google Patents

Abstract

A cylindrical shaped fireproof lamp fitting which comprises a supporting plate ( 1 ) and a cylindrical shaped shade (2). A light source and a lamp base are mounted in the shade and a through-hole is provided on the shade. A conduit ( 3 ) is mounted on the through-hole, an electric wire ( 5 ) extended from the lampbase connects to the electrical equipment outside the shade through the conduit (3 ). There is fireproof material or/and fireproof intumescent material (4) inside the conduit ( 3 ) or near he wire-in end of the conduit. The cylindrical shaped shade (2) can be composed of a metal layer and a fireproof heat insulation layer on the metal layer. The fireproof material or/and fireproof intumescent material (4 ) can prevent the fire escaping from the space between the inner wall of the conduit and the wire when a fire disaster occurs, therefore effectively prevent the fire spreading around.

Description

 Tubular fire protection lamp

Technical field

 The utility model relates to a lamp, in particular to a tubular lamp with fire prevention function.

Background technique

 There is a tubular fireproof lamp comprising a support plate and a cover, the cover is fixed on the support plate, the light source and the lamp holder are mounted in the cover, the cover is provided with a through hole, the through hole is provided with a conduit, and the lamp is connected The wires of the seat are connected to the electrical appliances outside the canister through the conduit. Since there is often a gap between the inner wall of the duct and the electric wire, when a fire occurs, the fire will emerge from these gaps and spread to the surroundings.

Summary of the invention

 In order to solve the above problems, an object of the present invention is to provide a cylindrical fireproof lamp which effectively prevents fire from spreading and is safe.

 The technical solution adopted by the utility model to solve the technical problem is: a tubular fireproof lamp, comprising a support plate and a cover cover, the light source and the lamp holder are installed in the cover, the through cover is provided with a through hole, and the through hole is provided with a conduit The wire connecting the lamp holder is connected to the electrical appliance outside the canister through the conduit, and is characterized in that: a fireproof material or/and a fireproof expansion material is installed near the inlet of the fireproof material or/and the fireproof expansion material or the conduit. .

 As a further improvement of the present invention, the gap between the edge of the through hole and the outer wall of the duct is provided with a fireproof material or/and a fireproof expansion material.

 As a further improvement of the present invention, the through hole edge is provided with a cavity protruding outward or inward, the conduit passes through the cavity, and the fireproof material or/and the fireproof expansion material is filled between the conduit and the inner wall of the cavity. .

 As a further improvement of the present invention, the fireproofing material or/and the fireproof expansion material is enclosed in the cavity by a tablet.

 As a further improvement of the present invention, the gap between the support plate and the cover is provided with a fireproof material or/and a fireproof expansion material.

 As a further improvement of the present invention, the surface of the support plate is covered with a fireproof material or/and a fireproof expansion material.

 As a further improvement of the present invention, the cover is composed of a metal layer and a fireproof heat insulation layer.

 As a further improvement of the present invention, the cover is composed of two metal layers and a fireproof heat insulation layer, and the fireproof heat insulation layer is sandwiched between the two metal layers.

 As a further improvement of the utility model, the cover wall of the cover has a heat dissipation port, and the heat dissipation port is installed

1

Confirmation The intumescent fireproof sheet has a heat dissipation hole on the expansion fireproof sheet at a position corresponding to the heat dissipation opening and/or between the expansion fireproof sheet and the cover wall of the cylinder cover.

 As a further improvement of the present invention, the cover body has a concave cavity, the heat dissipation opening is located at the bottom of the cavity of the cavity, the expanded fireproof piece is embedded in the concave cavity, and the expansion fireproof piece is pressed with a cover plate, and the cover plate is fixed Mounted on the cover.

 The utility model has the beneficial effects that: the fireproof material or/and the fireproof expansion material is installed in the gap between the edge of the through hole, the edge of the through hole and the outer wall of the pipe, and the fireproof material or/and the fireproof expansion material can prevent the fire when a fire occurs. From the gaps, effectively preventing the fire from spreading around, the tubular fire-proof luminaire is safe and reliable to use; in addition, the lamp body is installed in the hood, and the hood is composed of a metal layer and a fire-insulating layer, so When the fire occurs, the cover can prevent the fire from spreading from the lamp body to the surroundings, and the fireproof heat insulation layer will not cause the outer surface temperature of the cover to be too high to cause combustion of some combustible materials around the cover, and the heat dissipation on the cover The arrangement of the mouth and the inflated fireproof sheet enables the lamp to be normally dissipated under normal conditions. In the event of fire, the heat dissipating port will be closed by the rapid expansion of the inflated fireproof piece, and the cover will completely isolate the lamp body from the external combustibles. Prevent the fire from spreading outward from the lamp body. DRAWINGS

 The present invention will be further described below in conjunction with the accompanying drawings and embodiments. Figure 1 is a schematic perspective view of the utility model;

 Figure 2 is a reference view of the state of use of the utility model installed on the ceiling;

 3 is another schematic perspective view of the utility model;

 Figure 4 is a partial structural view of Figure 3;

 Figure 5 is a partial structural view of a third embodiment of the present invention;

 6 is a partial structural view of a fourth embodiment of the present invention; FIG. 7 is a partial structural view of a fifth embodiment of the present invention;

 Figure 8 is a partial structural view of a sixth embodiment of the present invention;

 Figure 9 is a cross-sectional structural view showing a seventh embodiment of the present invention;

 10 is a cross-sectional structural view of an eighth embodiment of the present invention; FIG. 11 is a cross-sectional structural view of a ninth embodiment of the present invention;

 Figure 12 is a cross-sectional structural view showing a tenth embodiment of the present invention;

Figure 13 is a cross-sectional structural view showing the eleventh embodiment of the present invention; Figure 14 is a cross-sectional structural view showing a twelfth embodiment of the present invention. detailed description

 1 and 2, a cylindrical fireproof lamp includes a support plate 1 and a cover 2, a light source and a lamp holder are mounted in the cover 2, a through hole is formed in the cover 2, and a conduit 3 is attached to the through hole, and the connection is made. The electric wire 5 of the lamp holder is connected to the electric appliance outside the cylinder cover through the duct 3, and the fireproof material 4 is installed in the duct 3. In the event of a fire, the fireproofing material 4 will prevent the fire from emerging from these gaps, effectively preventing the fire from spreading around, so the new utility model is safe and reliable to use.

 When there is a gap between the edge of the through hole and the outer wall of the duct, the fireproof material 4 can be installed in the gap to prevent the fire from emerging from the gap.

 Referring to Figures 3 and 4, in order to more effectively prevent the fire from emerging from the gap between the edge of the through hole and the outer wall of the duct, the edge of the through hole is provided with an outwardly convex cavity through which the duct 3 passes. The fireproof material 4 is filled between the duct 3 and the inner wall of the cavity. The fireproof material 4 is enclosed by a pressure piece 9 in the cavity; wherein the pressure piece 9 is fixed in the cavity. Thereby, the fireproof material 4 is firmly installed in the cavity to prevent it from falling off, and the fireproof function of the present invention is further enhanced. Of course, the cavity can be convex inward (as shown in Figure 5). The tablet 9 can also be fixed to the wall of the can 2 by screws (as shown in Figs. 6 and 7).

 When there is a gap between the support plate 1 and the canopy 2, it is also possible to install the fireproof material 4 in these gaps to prevent the fire from emerging from these gaps, thereby further improving the safety performance of the present invention. In order to maximize the safety performance of the present invention, the fireproof material 4 may be covered on the surface of the support plate 1.

 Referring to Fig. 8, when the duct 3 does not protrude into the duct cover 2, the fireproof material 4 may not be installed inside the duct 3, and the fireproof is achieved by installing near the duct 3 inlet.

 Of course, the fireproof material 4 is replaced by a fireproof expansion material or used together with the fireproof expansion material, and the fireproof effect is better.

Referring to Fig. 9, in order to maximize the safety performance of the tubular fireproof luminaire, the cover 2 may be composed of a metal layer 11 and a fireproof heat insulation layer 12, wherein the metal layer 11 is made of some refractory metal material, such as Iron, copper, aluminum, etc., the material of the fireproof heat insulation layer 12 can be selected from some fireproof heat insulation materials commonly available on the market such as aluminum silicate, rock wool, or ceramic fiber, etc., since the lamp body 10 is installed in the cylinder cover, The cylinder cover is composed of a refractory metal layer and a fireproof heat insulation layer, so that the fire cover can prevent the fire from spreading from the lamp body to the surroundings when the fire occurs, and the fireproof heat insulation layer does not cause the outer surface temperature of the cylinder cover to overheat and cause the cylinder Burning of some inflammable materials around the cover; the lamp body 10 is composed of a light source, a lamp holder and a lamp cover, the lamp holder is embedded on the lamp cover, and the lamp holder is provided with a light source. Similarly, the lamp body 10 may also comprise a plurality of light sources and a light source. It can be mounted on a lamp holder or on multiple lamp holders. The lamp body 10 is fixedly mounted in the cylinder cover by screws, and the cylinder cover has an outlet hole 16 through which the wires pass. The wire hole 16 connects the light source into the external circuit. At the same time, the outlet hole is sealed with a flame-retardant material, and a spring clip 17 is also mounted on the cylinder cover for mounting the lamp on the plate. As a preferred embodiment of the above embodiment, the cover is composed of two metal layers 11 and a fireproof heat insulation layer 12, and the fireproof heat insulation layer 12 is sandwiched between the two metal layers 11, such a structure Simple, the metal layer can effectively protect the fireproof heat insulation layer; in addition, a heat dissipation opening 13 can be arranged on the cover wall of the cover, and the expansion fireproof sheet 14 is installed on the heat dissipation opening 13, on the expansion fireproof sheet 14, and the heat dissipation The vent hole 15 is disposed at a position corresponding to the port 13. Of course, the vent hole 15 can also be located between the expanded fireproof sheet 14 and the cover wall of the hood, so that the luminaire can be normally dissipated under normal conditions, and the vents may expand due to fire. The fireproof sheet 14 is rapidly expanded and self-closed, and the cylinder cover completely isolates the lamp body 10 from the external flammable materials, thereby preventing the fire from spreading outward from the lamp body. The expansion fireproof sheet 14 is made of fireproof and burnt material, and is fireproof and burnt. The material can be selected from CPM 25, CS-195 of American 3M Company, CPS-AA546 of Nielsen Company of the United States, etc. At this time, the wire hole 16 can be no longer arranged on the cover, and the wire can pass through the heat dissipation hole 15 to light the light source. Connect Circles circuit.

 In addition, the cover can be composed of a metal layer 11 and a fire-resistant heat insulation layer 12 which is sleeved thereon, as shown in FIG. 10; the same cover can also be composed of a fire-resistant heat insulation layer 12 and a metal sheathed thereon. The layer 11 is formed, as shown in Fig. 11, the structure is simple, and the fireproof and heat insulation effect can be achieved. Of course, the cylinder cover can also be composed of a combination of more layers of metal layers and fireproof heat insulation layers; The lamp body 10 can also be composed only of a light source and a lamp holder. The lamp body 10 is installed in the cylinder cover. The cylinder cover not only functions as a fireproof and heat insulation, but also functions as a lamp cover, and has a simple structure and a reduced cost.

 In addition, in order to prevent the inflated fireproof sheet 14 from falling off from the heat dissipation opening 13, a concave cavity 7 may be disposed on the cover body, and the concave cavity 7 may be disposed in a concave shape or an upper concave shape, as shown in FIG. 12 and FIG. The heat dissipating port 13 is located at the bottom of the cavity of the cavity 7, the inflated fireproof sheet 14 is embedded in the cavity 7, and the expanded fireproof sheet 14 is pressed with a cover plate 8 on the cover plate 8 corresponding to the heat dissipation hole 15. The opening 81, the cover 8 is fixedly mounted on the cover; the cover 8 can also be mounted on the end face of the cover to seal the cavity, as shown in FIG.

 The present invention is not limited to the above-described embodiments, and the inventions created by recombining the technical features of the present invention, and the technical solutions equivalent or inferior to the present invention should also fall within the protection scope of the present invention.

Claims

Claims The tubular fireproof lamp comprises a support plate (1) and a cover (2), the cover is fixed on the support plate, the light source and the lamp holder are installed in the cover (2), and the cover (2) is provided with a through hole a conduit (3) is mounted on the through hole, and the wire (5) connecting the lamp holder is connected to the electrical appliance outside the canister through the conduit (3), wherein: the fireproof material (4) is installed in the conduit (3) or / Fireproof material (4) or / and fireproof expansion material are installed near the inlet of the fireproof expansion material or conduit (3). The tubular fireproof luminaire according to claim 1, characterized in that: a gap between the edge of the through hole and the outer wall of the duct (3) is provided with a fireproof material (4) or/and a fireproof expansion material. The tubular fireproof light fixture according to claim 1 or 2, wherein: the through hole edge is provided with a cavity that protrudes outward or inward, and the conduit (3) passes through the cavity, and the conduit (3) ) is filled with a fireproof material (4) or/and a fireproof expansion material between the inner wall of the cavity. A tubular fireproof lamp according to claim 3, characterized in that the surface of the support plate (1) is covered with a fireproof material (4) or/and a fireproof expansion material. A simple fire protection lamp according to claim 3, characterized in that the fireproofing material (4) or/and the fireproof expansion material are enclosed in the cavity by the pressing piece (9). The tubular fireproof luminaire according to claim 5, characterized in that: the plate surface of the support plate (1) is covered with a fireproof material (4) or/and a fireproof expansion material. The tubular fireproof light fixture according to claim 1, wherein: the support plate (1) and the cover (2) A gap between the fireproofing material (4) or / and fireproof expansion material is installed. The tubular fireproof light fixture according to claim 1 or 2 or 7, wherein the surface of the support plate (1) is covered with a fireproof material (4) or/and a fireproof expansion material. The tubular fireproof light fixture according to claim 1, wherein: the cover (2) is made of a metal layer (11) and fire insulation layer (12). 0. The tubular fireproof light fixture according to claim 9, wherein: the cover (2) is composed of two metal layers (11) and a fireproof heat insulation layer (12), and the fireproof heat insulation layer ( 12) Sandwiched between two metal layers (11). The tubular fireproof lamp according to claim 9 or 10, characterized in that: the cover wall of the cover (2) has a heat dissipation opening (13), and the heat dissipation opening (13) is provided with an expanded fireproof piece. (14), on the expansion fireproof sheet (14), corresponding to the heat dissipation port (13) and / or in the expansion fireproof sheet (14) and the cylinder cover (2) There is a heat dissipation hole (15) between the cover walls. The embedded fireproof light fixture according to claim 1 or 9 or 10, wherein: the cover body has a cavity (7), and the heat dissipation port (13) is located at the bottom of the cavity of the cavity (7). The expansion fireproof sheet (14) is embedded in the cavity (7), and the expansion fireproof sheet (14) is pressed with a cover plate (8), and the cover plate (8) is fixedly mounted on the cover body.