CN213234455U - Danger-avoiding safety room - Google Patents

Abstract

The utility model discloses a keep away dangerous safety room, including keeping away dangerous district and the inside and outside smoke protection district of periphery etc.. Smoke discharge channels and fireproof doors spaced from the danger avoiding spaces are arranged in the inner smoke prevention area and the outer smoke prevention area; and a fireproof door and an openable outer window which are close to the indoor safety passage are respectively arranged. A communicating structure is arranged between the discharge flues of the inner smoke-proof area and the outer smoke-proof area in a cross-area mode so as to form a composite smoke-proof and discharge system. And communicating structures are arranged between the danger-avoiding area and the composite smoke prevention and exhaust system as well as between the danger-avoiding area and the external regional environment so as to form a convection system and an outdoor air input system respectively. When a fire disaster happens, personnel enter the danger avoiding area, and after all fireproof doors and windows are closed, danger avoiding is supported through the three functional systems, so that the fire disaster prevention system is natural and safe, standby oxygen, electric power, machinery and manual intervention are not needed, and the danger avoiding mode is simple and safe. When there is no fire, the indoor air quality can be improved.

Description

Danger-avoiding safety room

Technical Field

The utility model relates to a fire control technical field, more specifically say, relate to a keep away dangerous safety room.

Background

Generally, a building, especially a high-rise building, is very dangerous when a fire disaster occurs, and if people cannot evacuate quickly in time, a great amount of casualties can be caused. In order to guarantee personal safety, a refuge room is arranged in some buildings, a fully-sealed fireproof structure is arranged in some buildings, and when a fire disaster happens, personnel can enter the refuge room or the fully-sealed fireproof structure to avoid the fire disaster. However, a fully sealed fire protection structure is provided with dedicated oxygen to sustain life activities of refugees. The traditional risk avoiding room generally needs to maintain personnel to avoid risks through an electric mechanical air supply pressurization mode. And smoke generated by fire is discharged naturally by opening the outer window or by mechanical interference. Therefore, the traditional risk avoidance measures need to be supported by an electric power supply, machinery, manual intervention, special oxygen and the like.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a keep away dangerous safety room to solve the problem among the prior art, need not reserve oxygen and electric power, machinery, artifical intervention, the mode is simple, and personnel keep away dangerous safer.

The utility model aims at realizing through the following technical scheme:

the utility model provides a refuge safety room, including refuge area and set up in the peripheral smoke-proof area of refuge area, refuge area and smoke-proof area are enclosed by fire prevention thermal insulation material, the smoke-proof area includes the outer smoke-proof area that is connected with the building outer wall and is close to the interior safe passage of building; the outer smoke-proof area is provided with a first fireproof door which is communicated with the danger avoiding area and can be opened and closed, and at least two first smoke exhaust channels which are used for exhausting smoke to the outside of the building, the inner smoke-proof area is provided with a second fireproof door which is communicated with the danger avoiding area and can be opened and closed, a third fireproof door which is close to a safety channel in the building and can be opened and closed, and at least two second smoke exhaust channels which are used for exhausting smoke to the outside of the building, and the first smoke exhaust channels and the second smoke exhaust channels are communicated through a communicating structure pipe barrel to form a cross-area composite smoke prevention and exhaust system; the danger avoiding area is provided with an outdoor air input system communicated with the outside environment of the building and used for conveying air into the danger avoiding area and a convection system communicated with the communicated structure pipe barrel and used for discharging air outwards.

Preferably, the outdoor air input system comprises an orifice well arranged outside the building, a conversion well communicated with the orifice well through a well chamber communication structure, and a plurality of outdoor air input pipe barrels for communicating the conversion well with the danger prevention area, and a grate cover plate is arranged at the wellhead of the orifice well.

Preferably, each first row of flues comprises a first upper hole and a first lower hole which are arranged at the upper part of the first row of flues in the vertical direction, and the first upper hole is positioned above the first lower hole, so that the air in each first row of flues is mutually fused through the space in the outer smoke-proof area, and a combined smoke-proof system is formed in the outer smoke-proof area; each second discharge flue comprises a second upper hole and a second lower hole which are arranged at the upper part of the second discharge flue along the vertical direction, and the second upper hole is arranged above the second lower hole, so that the air in each second discharge flue is mutually fused through the space in the inner smoke-proof area, and a combined smoke-proof system is formed in the inner smoke-proof area; the communicating structure pipe barrel comprises a first communicating structure pipe barrel and a second communicating structure pipe barrel which are arranged in a crossed mode, one end of the first communicating structure pipe barrel is communicated with the side position of the first upper hole, the other end of the first communicating structure pipe barrel is communicated with the side position of the second lower hole, one end of the second communicating structure pipe barrel is communicated with the side position of the first lower hole, and the other end of the second communicating structure pipe barrel is communicated with the side position of the second upper hole.

Preferably, the convection system includes a first branch pipe disposed at one end of the first communicating structure pipe close to the first upper hole and a second branch pipe disposed at one end of the second communicating structure pipe close to the second upper hole, one end of the first branch pipe is communicated with the first communicating structure pipe, the other end of the first branch pipe is communicated with the danger avoiding area, one end of the second branch pipe is communicated with the second communicating structure pipe, the other end of the second branch pipe is communicated with the danger avoiding area, so as to form the convection system of the danger avoiding area, and the first branch pipe and the second branch pipe are both provided with a switch valve therein, and the switch valves are in a normally open state.

Preferably, the fire-fighting equipment further comprises an equipment area which is arranged at the periphery of the danger-avoiding area and used for storing fire-fighting equipment, wherein the equipment area is provided with at least two third discharge flues used for discharging smoke to the outside of a building, and the third discharge flues are respectively communicated with the first discharge flue and the second discharge flue through the communication structure pipe barrel so as to form a cross-area composite smoke prevention and discharge system; the upper part of each third discharge flue is provided with a third upper hole and a third lower hole which are arranged along the vertical direction, and the third upper hole is positioned above the third lower hole, so that the air in each third discharge flue is mutually fused through the space in the equipment area, and a combined smoke prevention and discharge system is formed in the equipment area; the equipment area is further provided with a fourth fireproof door which is communicated with the outer smoke-proof area and can be opened and closed, and/or a fifth fireproof door which is communicated with the inner smoke-proof area and can be opened and closed, and/or a sixth fireproof door which is communicated with the danger avoiding area and can be opened and closed.

Preferably, the outer smoke prevention area is further provided with an outer window which is located on the building outer wall and can be opened and closed, and a hanging ring located below the outer window.

Preferably, the inner smoke-proof area is also provided with a light fire hydrant with a reel.

Preferably, the first row of flues are located at the corner position of the outer smoke prevention area, the second discharge flue is located at the corner position of the inner smoke prevention area, and the third discharge flue is located at the corner position of the equipment area.

Preferably, the combined smoke exhaust system further comprises a smoke exhaust area which is arranged between the outer opening of the combined smoke exhaust system and is relatively independent, the smoke exhaust area is provided with at least two fourth smoke exhaust channels which are used for exhausting smoke to the outside of a building and are located at the corner positions of the smoke exhaust area, the upper portion of each fourth smoke exhaust channel is provided with a fourth upper hole and a fourth lower hole which are vertically arranged, and the fourth upper hole is located above the fourth lower hole so that air in each fourth smoke exhaust channel can be mutually fused through the space in the smoke exhaust area, and therefore the combined smoke exhaust system is formed in the smoke exhaust area.

Preferably, the danger avoiding area is also provided with an illuminating lamp and an alarm telephone.

In the technical scheme provided by the utility model, a danger avoiding safety room comprises a danger avoiding area and a smoke-proof area arranged at the periphery of the danger avoiding area, wherein the danger avoiding area and the smoke-proof area are enclosed by fireproof heat-insulating materials, and the smoke-proof area comprises an outer smoke-proof area connected with the outer wall of a building and an inner smoke-proof area close to a safety passage in the building; the outer smoke-proof area is provided with a first fireproof door which is communicated with the danger avoiding area and can be opened and closed and at least two first smoke exhaust channels for exhausting smoke to the outside of the building, the inner smoke-proof area is provided with a second fireproof door which is communicated with the danger avoiding area and can be opened and closed, a third fireproof door which is close to a safety channel in the building and can be opened and closed and at least two second smoke exhaust channels for exhausting smoke to the outside of the building, and the first smoke exhaust channels and the second smoke exhaust channels are communicated through a communicating structure pipe barrel to form a cross-area composite smoke exhaust system; the danger avoiding area is provided with an outdoor air input system which is communicated with the external environment of the building and used for conveying air into the danger avoiding area and a convection system which is communicated with the communicated structure pipe barrel and used for discharging air outwards. According to the arrangement, when a fire disaster occurs, the indoor air temperature is higher than the outdoor air temperature, personnel enter the danger avoiding area, all the fireproof doors are closed to form a closed danger avoiding space, if hot air and smoke invade, the fire door firstly enters the peripheral smoke preventing area and then is discharged from the composite smoke preventing and discharging system, and the fire door is difficult to enter the danger avoiding area; an outdoor air input system is arranged in the danger avoiding area, outdoor air is naturally introduced to support danger avoidance, meanwhile, under the driving of airflow of the composite smoke prevention and exhaust system, the convection system enables air in the danger avoiding area to be continuously exhausted outwards, air convection is formed in the danger avoiding area, accordingly, the air pressure of the danger avoiding area is higher than that of a peripheral smoke prevention area, hot air smoke cannot invade, and meanwhile, fresh air is continuously input; therefore, the system for preventing smoke and discharging smoke naturally and inputting outdoor air naturally supports risk avoidance, standby oxygen and electric, mechanical and manual intervention are not needed, the mode is simple, and personnel risk avoidance is safer.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a first schematic structural diagram of a safety chamber according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a safe room according to an embodiment of the present invention;

FIG. 3 is a schematic view of an embodiment of the present invention showing an air input system outside the hedge compartment;

fig. 4 is a schematic view of an air convection system in the danger avoiding area according to an embodiment of the present invention;

FIG. 5 is a schematic view of the combined smoke prevention and exhaust system of the outer smoke prevention area in the embodiment of the present invention;

fig. 6 is a schematic view of the inner smoke prevention area combined smoke prevention and exhaust system in the embodiment of the present invention;

fig. 7 is a schematic view of the cross-regional composite smoke prevention and exhaust system in the embodiment of the present invention.

In fig. 1-7:

1-avoidance zone; 2-an outer smoke-protection zone; 3-inner smoke prevention area; 4-a first fire door; 5, a first row of flues; 6-a second fire door; 7-third fire prevention door; 8-a second discharge flue; 9-a communicating structural tube barrel; 10-convection system; 11-equipment area; 12-a fourth fire door; 13-a fifth fire door; 14-a third discharge flue; 15-an outer window; 16-a hoisting ring; 17-light fire hydrant; 18-bore wells; 19-a well chamber communicating structure; 20-a transfer well; 21-an outdoor air input tube; 22-a first upper aperture; 23-a first lower aperture; 24-a second upper aperture; 25-a second lower aperture; 26-a first communication structure tube barrel; 27-a second communicating structural tube; 28-a first manifold; 29-a second branch; 30-switching the valve.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Hereinafter, embodiments will be described in detail with reference to the accompanying drawings. The embodiments described below do not limit the scope of the invention described in the claims. Further, the entire contents of the configurations shown in the following embodiments are not limited to those necessary as a solution of the invention described in the claims.

Referring to fig. 1-7, the danger avoiding safety room provided in this embodiment includes a danger avoiding area 1 and a smoke-proof area disposed at the periphery of the danger avoiding area 1, where the danger avoiding area 1 and the smoke-proof area are both surrounded by fire-proof and heat-insulating materials, that is, the fire-proof components are both used in the danger avoiding area 1 and the smoke-proof area. The smoke-proof area comprises an outer smoke-proof area 2 connected with the outer wall of the building and an inner smoke-proof area 3 close to the safety passage in the building; the outer smoke-proof area 2 is provided with a first fireproof door 4 which is communicated with the danger-avoiding area 1 and can be opened and closed and at least two first smoke exhaust ducts 5 for exhausting smoke to the outside of the building, the inner smoke-proof area 3 is provided with a second fireproof door 6 which is communicated with the danger-avoiding area 1 and can be opened and closed, a third fireproof door 7 which is close to a safety passage in the building and can be opened and closed and at least two second smoke exhaust ducts 8 for exhausting smoke to the outside of the building, and the first smoke exhaust ducts 5 and the second smoke exhaust ducts 8 are communicated through a communicating structure pipe barrel 9 to form a cross-area composite smoke exhaust prevention system; the danger-avoiding zone 1 is provided with an outdoor air input system communicated with the environment outside the building and used for conveying air into the danger-avoiding zone 1 and a convection system 10 communicated with the communicating structural pipe barrel 9 and used for discharging air outwards. As shown in figure 1, the danger-avoiding area 1 is located in the middle, the area size is determined according to 5 persons per square meter, and the periphery of the danger-avoiding area is provided with a smoke-proof area. When the position of the danger-avoiding room is selected, a position which is close to an indoor safety channel and at least one wall is an outer wall and is convenient to escape should be selected, and the position is not adjacent to a fire room; and the danger-avoiding area 1 and the peripheral smoke-proof area are based on firm beam, column and plate structures in the building, and the used components adopt all-conventional fireproof element components, so that the structural stability and the fireproof durability are ensured. Certainly, the refuge room can also be used as a room for other purposes under the condition that the using function is not influenced. According to the arrangement, when a fire disaster occurs, the indoor air temperature is higher than the outdoor air temperature, personnel enter the danger avoiding area, all the fireproof doors are closed to form a closed danger avoiding space, if hot air and smoke invade, the fire door firstly enters the peripheral smoke preventing area and then is discharged from the smoke discharge channel, and the fire door is difficult to enter the danger avoiding area; an outdoor air input system is arranged in the danger avoiding area, outdoor air is naturally introduced to support danger avoidance, meanwhile, under the driving of airflow of the composite smoke prevention and exhaust system, the convection system enables air in the danger avoiding area to be continuously exhausted outwards, air convection is formed in the danger avoiding area, accordingly, the air pressure of the danger avoiding area is higher than that of the smoke prevention area, hot air smoke cannot invade, and meanwhile, fresh air is continuously input; therefore, the system for preventing smoke and discharging smoke naturally and inputting outdoor air naturally supports risk avoidance, standby oxygen and electric, mechanical and manual intervention are not needed, the mode is simple, and personnel risk avoidance is safer.

As shown in fig. 3, the outdoor air input system includes an orifice well 18 disposed outside the building, a switching well 20 communicating with the orifice well 18 through a well chamber communication structure 19, and a plurality of outdoor air input tubes 21 for communicating the switching well 20 with the hazard zone 1. The well mouth of the orifice well 18 is provided with a grate cover plate which is slightly higher than the outdoor ground to prevent rainwater, smoke and the like from invading. The position of the orifice well 18 is suitable for outdoor open areas, the distance between the orifice well 18 and the building is not less than one half of the height of the building, flammable and explosive materials cannot be contained in the range of about 5 meters around the orifice well 18, and protective measures can be taken if necessary. The transfer well 20 is arranged at a transfer well corresponding to the orifice well 18, the avoidance zone 1. The arrangement between the bore hole 18 and the transfer well 20 is such that the bore hole 18 is downstream in the drainage operation. As shown in fig. 1 and 2, the outdoor air input tubes 21 between the transfer well 20 and the hazard zone 1 may be multiple and dedicated to facilitate the input of outdoor fresh air. According to the arrangement, the orifice well is an air inlet at the foremost end, the input port of the danger avoiding room is an air outlet, and the outdoor orifice well, the conversion well and the danger avoiding area are connected in a sealing mode through the well chamber communication structure and the outdoor air input pipe barrel to form an outdoor air input system of the danger avoiding area. The arrows in fig. 3 indicate the direction of the air flow.

As shown in fig. 5, each first row flue 5 includes a first upper hole 22 and a first lower hole 23 which are arranged in the vertical direction at the upper part thereof, and the first upper hole 22 is positioned above the first lower hole 23, so that the air in each first row flue 5 is mutually merged through the space in the outer smoke prevention area 2, thereby forming a combined smoke prevention and exhaust system in the outer smoke prevention area 2. As shown in fig. 6, each second discharge flue 8 includes a second upper hole 24 and a second lower hole 25 which are arranged in the vertical direction at the upper part thereof, and the second upper hole 24 is located above the second lower hole 25, so that the air in each second discharge flue 8 is mutually melted through the space in the inner smoke-proof area 3, thereby forming a combined smoke-proof system in the inner smoke-proof area 3. In each subarea, the upper part of each discharge flue is provided with at least two holes, the upper hole position is close to the ceiling, and the distance between the lower hole position and the height of the building and the ground in each subarea is not less than 1.5 m, so that flue air is communicated with the space of each area to form an anti-smoke and exhaust combination in each subarea. If the two left discharge channels are blocked, the smoke can still be discharged from the right discharge channel. In a similar way, at least two holes are formed in the upper part of each third discharge flue 14 in the equipment area 11. The communicating structure pipe barrel 9 comprises a first communicating structure pipe barrel 26 and a second communicating structure pipe barrel 27 which are arranged in a crossed mode, one end of the first communicating structure pipe barrel 26 is communicated with the side position of the first upper hole 22, the other end of the first communicating structure pipe barrel is communicated with the side position of the second lower hole 25, one end of the second communicating structure pipe barrel 27 is communicated with the side position of the first lower hole 23, and the other end of the second communicating structure pipe barrel 27 is communicated with the side position of the second upper hole 24. The smoke exhaust duct is arranged in such a way that the smoke exhaust ducts of the two subareas are respectively communicated by the X-shaped cross-distributed communicating structure pipe barrels, so that the smoke exhaust duct more conforms to the hot gas and smoke exhaust rule. It should be noted that, regarding the position of the discharge flue shown in fig. 5 and 6, the up-down direction in the drawing is the directions "up" and "down" mentioned herein, the up-down direction is the vertical direction, and the arrow in the drawing indicates the airflow direction.

Further, the convection system 10 includes a first branch pipe 28 disposed at one end of the first communicating structure pipe 26 close to the first upper hole 22 and a second branch pipe 29 disposed at one end of the second communicating structure pipe 27 close to the second upper hole 24, one end of the first branch pipe 28 is communicated with the first communicating structure pipe 26, the other end is communicated with the space in the danger avoiding area 1, one end of the second branch pipe 29 is communicated with the second communicating structure pipe 27, and the other end is communicated with the space in the danger avoiding area 1, so as to form a convection system of the danger avoiding area 1, that is, a convection system in which the communicating structure between the connecting exhaust flue and the space in the danger avoiding area 1 is the danger avoiding area 1. And switch valves 30 are arranged in the first branch pipe 28 and the second branch pipe 29, and the switch valves 30 are in a normally open state under normal conditions so as to ensure that the airflow is smooth. Thus, the higher end of each communicating structure pipe barrel is correspondingly provided with a convection structure branch pipe in which a valve is arranged. As shown in fig. 4, outdoor air enters the danger avoiding area 1 from the outdoor air input tube 21, enters from the first branch pipe 28 and the second branch pipe 29 under the traction of the airflow of the composite smoke prevention and exhaust system, and is exhausted to the exhaust flue by the convection system, so that the air in the danger avoiding area is convected. When the smoke backflow phenomenon occurs during use, such as blockage of a right side discharge flue in the figure, the switch valve 30 in the second branch pipe 29 at the position is closed, and smoke is prevented from entering the danger avoiding area. The arrows in fig. 4 indicate the direction of the air flow. In other embodiments, each branch pipe can also be directly communicated with the discharge flue, so that convection in the danger avoiding area is ensured.

As shown in fig. 2, the danger avoiding safety room further comprises an equipment area 11 arranged at the periphery of the danger avoiding area 1 and used for storing fire-fighting equipment, the equipment area 11 is provided with at least two third discharge flues 14 used for discharging smoke to the outside of the building, and the third discharge flues 14 are respectively communicated with the first discharge flue 5 and the second discharge flue 8 through a communication structure pipe barrel 9 to form a cross-area composite smoke prevention and discharge system. The upper part of each third discharge flue 14 is provided with a third upper hole and a third lower hole which are arranged along the vertical direction, and the third upper hole is positioned above the third lower hole, so that the air in each third discharge flue 14 is mutually communicated through the space in the equipment area 11, and a combined smoke prevention and discharge system is formed in the equipment area 11. The equipment area 11 is further provided with a fourth fireproof door 12 which is communicated with the outer smoke-proof area 2 and can be opened and closed, and/or a fifth fireproof door 13 which is communicated with the inner smoke-proof area 3 and can be opened and closed, and/or a sixth fireproof door which is communicated with the danger-avoiding area 1 and can be opened and closed. The equipment area 11 can be selected to arrange various fire doors according to actual design requirements. In fig. 1 and 2, the equipment area 11 is provided with a fourth fireproof door 12 and a fifth fireproof door 13, and the direction indicated by the arrow is the closing direction of the fireproof door, so that the fireproof door can be selectively opened or closed as required. When a fire occurs, all the fire doors are closed, and if smoke enters, the smoke is directly discharged from smoke discharge ducts of the peripheral smoke protection area and the equipment area 11. As shown in figure 7, arrows indicate the direction of airflow, and a plurality of exhaust channels are arranged in each area on the periphery, so that the influence on the smoke exhaust in a single area when one flue is blocked is avoided. The smoke discharge channels in the single areas are naturally communicated to form smoke discharge prevention and discharge assemblies in the areas, so that smoke can be discharged in time in case of fire. In order to ensure the smoke exhaust effect, the total sectional area of smoke exhaust of the single area is not less than 2 percent of the area of the single-area building. And the communicating structure pipe barrels 9 are arranged between the smoke discharge channels of the zones, not less than two pairs of communicating structure pipe barrels are arranged, so that the smoke discharge prevention and discharge cross-zone forms a composite smoke discharge prevention and discharge system, if the smoke discharge of one zone occurs, the smoke discharge cross-zone can still be discharged from the smoke discharge channel of the other zone, so that the more flexible discharge paths are, the more the layers are, and the stronger the smoke discharge prevention and discharge function is. In addition, the inner smoke prevention area 3 can also be used as an equipment area.

As shown in fig. 1, the outer smoke protection area 2 is further provided with an outer window 15 which is positioned on the outer wall of the building and can be opened and closed, and a hanging ring 16 which is positioned below the outer window 15, namely, the hanging ring 16 is fixed on the wall body which is not higher than the windowsill in advance. If fire disaster happens in the building and smoke exists in the room, the outer window 15 can be opened to discharge smoke outwards. In addition, the rope device is fixed on the hanging ring 16, and the outer window is opened, so that the rope device can be used for implementing rescue measures such as conveying materials by firemen and assisting people in escaping. The inner smoke-protection zone 3 is also provided with a light fire hydrant 17 with a reel, placed in a position convenient for operation, for extinguishing fire when an emergency occurs. The danger avoiding area 1 is also provided with an illuminating lamp and an alarm telephone so that normal activities can be carried out when personnel avoid danger, help can be asked outwards in time, and dangerous situations can be reported so that rescue actions can be carried out rapidly.

In this embodiment, the first discharge flue 5 is located at the corner position of the outer smoke-proof area 2, the second discharge flue 8 is located at the corner position of the inner smoke-proof area 3, and the third discharge flue 14 is located at the corner position of the equipment area 11. It is rationally distributed like this, and the discharge flue setting does not influence the space and uses in corner or hidden department, can also guarantee to prevent discharging fume the function.

In an embodiment of the present invention, the safety room further includes a smoke exhaust area disposed outside the safety room and relatively independent, and the smoke exhaust area is provided with at least two fourth smoke exhaust channels for exhausting smoke outside the building and located at the corner positions of the smoke exhaust area. And the upper part of each fourth discharge flue is provided with a fourth upper hole and a fourth lower hole which are arranged along the vertical direction, and the fourth upper hole is positioned above the fourth lower hole, so that the air in each fourth discharge flue is mutually fused through the space in the smoke exhaust area, and a combined smoke exhaust system is formed in the smoke exhaust area. The smoke exhaust area is suitable for selecting an open room with a large fire risk or easily gathered smoke when a fire happens, at least two vertical smoke channels are arranged along the corner positions of the smoke exhaust area, and when the smoke channels are shared by multiple layers, an auxiliary smoke channel is required to be arranged to lead to each floor. The smoke exhaust area belongs to an external bay of the danger avoiding safety bay, and has no relative position relation requirement with the danger avoiding area, and the smoke exhaust system and the smoke prevention and exhaust system of the smoke prevention area are in the same way, so that the smoke exhaust system does not need manual intervention on site when a fire disaster occurs, smoke is naturally discharged, the smoke can be delayed from being diffused to other bays, time is won for people to escape and avoid danger, meanwhile, the risk of the smoke prevention area is reduced, and the personnel safety of the danger avoiding area is indirectly supported.

In this embodiment, keep away dangerous district and lie in the middle part, its periphery all has by preventing fire door, prevent that smoke zone, equipment district that fire wall separates etc. when the conflagration takes place, if steam, cigarette invade, must be cleared up or continuously got rid of by compound smoke prevention and exhaust system in smoke prevention zone or equipment district, avoided steam, cigarette to get into the dangerous district of keeping away. When smoke and fire occur, the indoor air temperature is higher than that of the outdoor air, the danger avoiding area is supported by an independent outdoor air input system, so that the temperature of the danger avoiding area is lower than that of the smoke prevention area or the equipment area, and the like, and the air pressure of the danger avoiding area is higher than that of the smoke prevention area or the equipment area, and the like, so that hot smoke cannot enter the danger avoiding area. The danger avoiding safety room provided by the embodiment is provided with a strong outdoor air input system, a convection system and a natural smoke prevention and exhaust system, and a smoke exhaust area smoke exhaust system is arranged in an external room, so that no additional requirements are required for the existing materials and processes, the intervention of standby oxygen and electric power, machinery and electric appliances is avoided, the danger avoiding safety room is more suitable for zoning and household danger avoiding, moreover, the stuffy air and hot air generated by fire are converted into favorable emission traction power through a smoke exhaust channel, and the danger avoiding safety room is simple in function use, safer and more reliable. If no fire exists, the indoor air quality can be improved through the plurality of smoke prevention and exhaust systems and the air circulation of the smoke exhaust system.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. A danger-avoiding safety room is characterized by comprising a danger-avoiding area (1) and a smoke-preventing area arranged at the periphery of the danger-avoiding area (1), wherein the danger-avoiding area (1) and the smoke-preventing area are both surrounded by fireproof heat-insulating materials, and the smoke-preventing area comprises an outer smoke-preventing area (2) connected with an outer wall of a building and an inner smoke-preventing area (3) close to a safety passage in the building; the outer smoke prevention area (2) is provided with a first fireproof door (4) which is communicated with the danger prevention area (1) and can be opened and closed and at least two first smoke exhaust ducts (5) for exhausting smoke to the outside of the building, the inner smoke prevention area (3) is provided with a second fireproof door (6) which is communicated with the danger prevention area (1) and can be opened and closed, a third fireproof door (7) which is close to a safety passage in the building and can be opened and closed and at least two second smoke exhaust ducts (8) for exhausting smoke to the outside of the building, and the first smoke exhaust ducts (5) and the second smoke exhaust ducts (8) are communicated through a communicating structure pipe barrel (9) to form a cross-area composite smoke prevention and exhaust system; the danger-avoiding area (1) is provided with an outdoor air input system communicated with the environment outside the building and used for conveying air into the danger-avoiding area (1) and a convection system (10) communicated with the communication structure pipe barrel (9) and used for discharging air outwards.

2. A refuge safety compartment according to claim 1, wherein the outdoor air input system comprises an orifice well (18) arranged outside the building, a conversion well (20) communicated with the orifice well (18) through a well chamber communication structure (19), and a plurality of outdoor air input pipe barrels (21) for communicating the conversion well (20) with the refuge area (1), and a grate cover plate is arranged at the mouth of the orifice well (18).

3. A danger avoiding safety booth according to claim 1, wherein each first row of flues (5) comprises a first upper hole (22) and a first lower hole (23) which are arranged in the vertical direction and are positioned at the upper part of the first row of flues, and the first upper hole (22) is positioned above the first lower hole (23) so that the air in each first row of flues (5) can be mutually fused through the space in the outer smoke-proof area (2), thereby forming a combined smoke-proof and smoke-proof system in the outer smoke-proof area (2); each second discharge flue (8) comprises a second upper hole (24) and a second lower hole (25) which are positioned at the upper part of the second discharge flue and are arranged along the vertical direction, and the second upper holes (24) are positioned above the second lower holes (25) so that the air in each second discharge flue (8) is mutually fused through the space in the inner smoke prevention area (3) to form a combined smoke prevention and discharge system in the inner smoke prevention area (3); communicating structure bobbin (9) are including first communicating structure bobbin (26) and second communicating structure bobbin (27) of cross arrangement, the one end of first communicating structure bobbin (26) with the avris position of first last hole (22) is linked together, the other end with the avris position of second lower hole (25) is linked together, the one end of second communicating structure bobbin (27) with the avris position of first lower hole (23) is linked together, the other end with the avris position of second upper hole (24) is linked together.

4. The danger avoiding compartment according to claim 3, wherein the convection system (10) comprises a first branch pipe (28) disposed at one end of the first communicating structure pipe (26) near the first upper hole (22) and a second branch pipe (29) disposed at one end of the second communicating structure pipe (27) near the second upper hole (24), one end of the first branch pipe (28) is communicated with the first communicating structure pipe (26) and the other end is communicated with the space in the danger area (1), one end of the second branch pipe (29) is communicated with the second communicating structure pipe (27) and the other end is communicated with the space in the danger area (1) to form a convection system of the danger area (1), and a switch valve (30) is disposed in each of the first branch pipe (28) and the second branch pipe (29), the switch valve (30) is in a normally open state.

5. A danger avoiding safety booth according to claim 1, further comprising an equipment area (11) arranged at the periphery of the danger avoiding area (1) and used for storing fire fighting equipment, wherein the equipment area (11) is provided with at least two third discharge flues (14) used for discharging smoke to the outside of a building, and the third discharge flues (14) are respectively communicated with the first discharge flue (5) and the second discharge flue (8) through the communication structure pipe barrel (9) to form a cross-area composite smoke and smoke preventing system; the upper part of each third discharge flue (14) is provided with a third upper hole and a third lower hole which are arranged along the vertical direction, and the third upper hole is positioned above the third lower hole, so that the air in each third discharge flue (14) is mutually fused through the space in the equipment area (11), and a combined smoke prevention and discharge system is formed in the equipment area (11); the equipment area (11) is further provided with a fourth fireproof door (12) which is communicated with the outer smoke-proof area (2) and can be opened and closed, and/or a fifth fireproof door (13) which is communicated with the inner smoke-proof area (3) and can be opened and closed, and/or a sixth fireproof door which is communicated with the danger area (1) and can be opened and closed.

6. A refuge safety booth as claimed in claim 1, wherein the outer smoke protection area (2) is further provided with an outer window (15) which is located on the outer wall of the building and can be opened and closed, and a hanging ring (16) located below the outer window (15).

7. A refuge safety booth according to claim 1, characterized in that the inner smoke protection area (3) is further provided with a light fire hydrant (17) with a reel.

8. A danger avoiding safety booth according to claim 5, characterized in that the first row of flues (5) is located at the corner position of the outer smoke protection area (2), the second flue (8) is located at the corner position of the inner smoke protection area (3), and the third flue (14) is located at the corner position of the equipment area (11).

9. A danger avoiding safety booth according to claim 1, further comprising a smoke exhaust area which is provided at an external opening of the booth and is relatively independent, wherein the smoke exhaust area is provided with at least two fourth smoke exhaust channels which are used for exhausting smoke to the outside of the building and are located at the side angle positions of the smoke exhaust area, the upper portion of each fourth smoke exhaust channel is provided with a fourth upper hole and a fourth lower hole which are vertically arranged, and the fourth upper hole is located above the fourth lower hole, so that air in each fourth smoke exhaust channel is mutually fused through the space in the smoke exhaust area, and a combined smoke exhaust system is formed in the smoke exhaust area.

10. A refuge security booth as claimed in claim 1, wherein the refuge area (1) is further provided with a lighting lamp and an alarm phone.

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