CN210320496U

CN210320496U - Smoke exhaust system in building

Info

Publication number: CN210320496U
Application number: CN201921115497.6U
Authority: CN
Inventors: 王晓英
Original assignee: Zhejiang Guangyu Construction Co Ltd
Current assignee: Zhejiang Guangyu Construction Co Ltd
Priority date: 2019-07-17
Filing date: 2019-07-17
Publication date: 2020-04-14
Anticipated expiration: 2029-07-17

Abstract

The utility model discloses a smoke exhaust system in building relates to building fire control technical field. Technical scheme is a smoke exhaust system in building, including to indoor ventilation's ventilation mechanism to and with indoor smog exhaust discharge mechanism, ventilation mechanism cooperates discharge mechanism and outdoor constitution circulation, discharge mechanism includes the discharge standpipe of upper end and outdoor intercommunication, be connected with the discharge branch pipe that sets up quantity according to the floor number on the discharge standpipe, the indoor intercommunication of discharge branch pipe and each floor. The utility model discloses it is rational in infrastructure, can discharge the smog in the building fast.

Description

Smoke exhaust system in building

Technical Field

The utility model relates to a building fire control technical field, in particular to smoke exhaust system in building.

Background

According to fire statistics, smoke is the main cause of death of people in building fires, the proportion of people dying from smoking is large, the maximum percentage is eighty, and most of people dying from fire are killed by the fire after being poisoned and fallen down by the inhaled smoke. Most of people suffering from fire disasters die due to suffocation reaction caused by dense smoke choking, and fire smoke exhaust devices are arranged in public traffic waiting areas such as subways, airports, railway stations and the like, large shopping malls, cinemas and indoor entertainment places according to fire regulations.

A new in-building smoke evacuation system is now proposed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a smoke discharging system in building discharges indoor smog fast.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a fume exhaust system in building, includes to indoor ventilation's ventilation mechanism to and with indoor smog exhaust discharge mechanism, ventilation mechanism cooperates discharge mechanism and outdoor constitution circulation, discharge mechanism includes the discharge standpipe of upper end and outdoor intercommunication, be connected with the discharge branch pipe that sets up quantity according to the floor number on the discharge standpipe, the indoor intercommunication of discharge branch pipe and each floor.

By adopting the scheme, when fire disaster occurs in the building and smoke is generated, the ventilation mechanism supplies air into the building, the ventilation mechanism is matched with the exhaust mechanism and forms circulation with the outside, and the smoke is driven to be input into the exhaust vertical pipe along the exhaust branch pipe to be output through the flowing of air flow, so that the smoke in the building is rapidly exhausted.

The utility model discloses further set up to: the ventilation mechanism comprises an air inlet vertical pipe, the lower end of the air inlet vertical pipe is communicated with the outside, air inlet branch pipes are connected to the air inlet vertical pipe, the number of the air inlet branch pipes is set according to the floor number, and the air inlet branch pipes are communicated with the inside of each floor.

Through adopting above-mentioned scheme, higher position atmospheric pressure is lower more, and the lower extreme and the outdoor intercommunication of air inlet standpipe, through the effect or the wind-force effect of atmospheric pressure, in outdoor air can the natural inflow building, and the upper end and the outdoor intercommunication of discharge standpipe for because the effect of atmospheric pressure, make the air in the building can be along discharging the standpipe discharge, thereby build the circulation.

The utility model discloses further set up to: the exhaust branch pipe is arranged at the top of the floor, and the air inlet branch pipe is arranged at the bottom of the floor.

Through adopting above-mentioned scheme, the air inlet branch pipe is to supplying air in the floor, and smog in the floor need discharge through the branch pipe that discharges, and when the conflagration breaing out, smog rises, sets up the air inlet branch pipe at the bottom of the layer of floor, sets up the branch pipe that discharges at the roof of floor to make the air current flow from bottom to top flowing at the flow, thereby carry into the branch pipe that discharges in with the intraformational smog of floor better.

The utility model discloses further set up to: the air inlet branch pipe is connected with a plurality of air inlet branch pipes distributed at the bottom of the layer, the exhaust branch pipe and the exhaust branch pipe are also provided with air outlet holes, and the air inlet branch pipe are also provided with air inlet holes.

By adopting the above scheme, connect the branch pipe of discharging in order to distribute at the roof of a layer on the branch pipe of discharging, connect the branch pipe of air inlet in order to distribute at the bottom of a layer on the branch pipe of air inlet to set up fresh air inlet and exhaust vent correspondingly, thereby make the air current circulation distribute more evenly, thereby discharge the intraformational smog of floor better.

The utility model discloses further set up to: an exhaust fan for exhausting air into the exhaust vertical pipe is further arranged in the exhaust branch pipe, and an air supply fan for exhausting air from the air inlet vertical pipe is further arranged in the air inlet branch pipe.

Through adopting above-mentioned scheme, set up the exhaust fan in the branch pipe that discharges, set up the supply-air fan in the air inlet branch pipe, exhaust fan and supply-air fan take the motor certainly, and after the circular telegram, supply-air fan and exhaust fan can accelerate the flow of air current to smoke in the building is discharged.

The utility model discloses further set up to: the connector of the discharge vertical pipe and the discharge branch pipe is also provided with a swing blade for opening and closing the connector, and the discharge branch pipe is also fixedly provided with a control motor for controlling the swing of the swing blade.

Through adopting above-mentioned scheme, when taking place the conflagration in the building, perhaps only some floors have caught fire, can cooperate smoke transducer and fire probe that every floor was installed this moment, send the signal again when detecting that a certain floor catches fire to drive control motor, open the interface of corresponding discharge branch pipe through control motor control pendulum leaf to start corresponding air-supplying fan and exhaust fan, thereby avoid smog in discharging into other floors that do not catch fire through discharge branch pipe when in the discharge standpipe.

The utility model discloses further set up to: the upper end of the discharge vertical pipe is further connected with a discharge horizontal pipe, the discharge horizontal pipe is further connected with a filter box for filtering discharged smoke, the discharge horizontal pipe is further connected with an exhaust fan, and the exhaust fan is arranged on one side, close to an outlet of the discharge horizontal pipe, of the filter box.

By adopting the above scheme, set up the rose box and filter exhaust smog, set up the output that the air exhauster guaranteed smog, avoid smog direct discharge and cause the influence to surrounding environment.

The utility model discloses further set up to: the upper end of the discharge standpipe is further connected with a discharge transverse pipe, an exhaust fan is further connected at an outlet of the discharge transverse pipe, a plurality of shunt branch pipes are further connected to an air outlet pipe of the exhaust fan, and filter boxes are connected to the shunt branch pipes.

Through adopting above-mentioned scheme, through the effect of air exhauster for discharge the smog in the riser fast discharge, rethread rose box filters, and along with the granule in the smog is strained down, can make the air current through rate of rose box diminish, so set up many reposition of redundant personnel branch pipes, set up the rose box on every reposition of redundant personnel branch pipe, make smog can discharge fast through filtering.

To sum up, the utility model discloses following beneficial effect has: the smoke in the building can be discharged quickly.

Drawings

FIG. 1 is a schematic view of the overall structure of embodiment 1;

FIG. 2 is a schematic view of the overall structure of embodiment 2;

FIG. 3 is a schematic plan view of a portion of the structure for illustrating the relationship between the ventilation mechanism and the floor;

fig. 4 is a schematic plan view of a part of the structure for embodying the relation between the exhaust structure and the floor.

Reference numerals: 1. a ventilation mechanism; 2. a discharge mechanism; 3. discharging the standpipe; 4. a discharge branch pipe; 5. an air inlet vertical pipe; 6. an air inlet branch pipe; 7. a discharge branch pipe; 8. air inlet branch pipes; 9. an air outlet; 10. an air inlet hole; 11. an exhaust fan; 12. an air supply fan; 13. swinging the leaves; 14. controlling the motor; 15. discharging the horizontal pipe; 16. a filter box; 17. an exhaust fan; 18. and branch pipes.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example 1: referring to fig. 1 and 3, an interior smoke exhaust system for a building includes a ventilation mechanism 1 for supplying air to a room, and a discharge mechanism 2 for discharging smoke from the room, wherein the ventilation mechanism 1 cooperates with the discharge mechanism 2 and the outside to form a circulation, so that outdoor air flows into the room and then flows out of the room.

Ventilation mechanism 1 includes the air inlet standpipe 5 of lower extreme and outdoor intercommunication, the upper end of air inlet standpipe 5 is sealed, be connected with the air inlet branch pipe 6 that many levels set up on the air inlet standpipe 5, the concrete quantity of air inlet branch pipe 6 is confirmed according to the floor number of setting up the building, an air inlet branch pipe 6 of every floor intercommunication, still be connected with the air inlet of many levels setting on the air inlet branch pipe 6 and divide the pipe 8, it has fresh air inlet 10 to set up to distribute on air inlet branch pipe 6 and the air inlet branch pipe 8, when setting up, air inlet branch pipe 6 and air inlet divide the pipe 8 to set up at the bottom of the floor.

In order to better supply air to the indoor, a blowing fan 12 which draws air from the vertical air inlet pipe 5 to supply air to the indoor is also arranged in the air inlet branch pipe 6.

Referring to fig. 1 and 4, the discharge mechanism 2 includes the discharge standpipe 3 of upper end and outdoor intercommunication, the lower extreme of discharge standpipe 3 is sealed, be connected with many discharge branch pipes 4 that the level set up on the discharge standpipe 3, the specific quantity of discharge branch pipe 4 is confirmed according to the floor quantity that sets up the building, a discharge branch pipe 4 of every floor intercommunication, still be connected with many levels on the discharge branch pipe 4 and set up the discharge branch pipe 7, it has exhaust vent 9 to set up to distribute on discharge branch pipe 4 and the discharge branch pipe 7, when setting up, discharge branch pipe 4 and discharge branch pipe 7 set up the roof on the floor, when making outdoor air current enter into indoor, can rise and drive ascending smog and get into discharge branch pipe 7 in, export in rethread discharge branch pipe 4 inputs discharge standpipe 3.

In order to better extract the smoke rising in the room, an exhaust fan 11 for exhausting air into the exhaust vertical pipe 3 is further provided in the exhaust branch pipe 4.

The joint of the discharge vertical pipe 3 and the discharge branch pipe 4 is also provided with a swing blade 13 for opening and closing the joint, the discharge branch pipe 4 is also fixed with a control motor 14 for controlling the swing of the swing blade 13, the swing blade 13 is fixed on a rotatable rod, the end part of the rod is provided with a gear, each gear is meshed with a rack, a rotating shaft of the control motor 14 is also provided with a gear and meshed on the rack, and when the control motor 14 works, each swing blade 13 can be driven to swing through rack transmission to open and close the joint. The work of the control motor 14 and the exhaust fan 11 can be related to the indoor fire-fighting system, when smoke sensors of the fire-fighting system detect smoke, signals are sent to control the corresponding exhaust fan 11 and the control motor 14 to work, so that the corresponding interfaces are smooth to exhaust the smoke, and other floors without detecting the smoke keep the interfaces closed, thereby avoiding the smoke from flowing backwards.

The upper end of the discharge vertical pipe 3 is also connected with a discharge horizontal pipe 15, the discharge horizontal pipe 15 is also connected with a filter box 16 for filtering the discharged smoke, the discharge horizontal pipe 15 is also connected with an exhaust fan 17, and the exhaust fan 17 is arranged on one side of the filter box 16 close to the outlet of the discharge horizontal pipe 15.

Example 2: as shown in fig. 2, the present embodiment is different from embodiment 1 in that the filter box 16 is not directly installed on the horizontal exhaust duct 15, but the exhaust fan 17 is connected to the outlet of the horizontal exhaust duct 15, then a plurality of branch ducts 18 are connected to the outlet duct of the exhaust fan 17, and the filter box 16 is connected to each branch duct 18, thereby filtering and exhausting the fumes and ensuring the exhaust speed of the fumes.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a fume exhaust system in building which characterized in that: including ventilation mechanism (1) to indoor ventilation to and with indoor smog exhaust discharge mechanism (2), ventilation mechanism (1) cooperation discharge mechanism (2) and outdoor constitution circulation, discharge mechanism (2) include discharge standpipe (3) of upper end and outdoor intercommunication, be connected with discharge branch pipe (4) that set up quantity according to the number of stories on discharge standpipe (3), discharge branch pipe (4) and the indoor intercommunication of each floor.

2. The in-building smoke evacuation system of claim 1, wherein: the ventilating mechanism (1) comprises an air inlet vertical pipe (5) with the lower end communicated with the outdoor, air inlet branch pipes (6) with the number set according to the floor number are connected to the air inlet vertical pipe (5), and the air inlet branch pipes (6) are communicated with the indoor space of each floor.

3. The in-building smoke evacuation system of claim 2, wherein: the discharge branch pipe (4) is arranged at the top of the floor, and the air inlet branch pipe (6) is arranged at the bottom of the floor.

4. The in-building smoke evacuation system of claim 3, wherein: still be connected with many on discharge branch pipe (4) and distribute in the branch pipe (7) of discharging on the top of a layer, still be connected with many on air inlet branch pipe (6) and distribute in the air inlet branch pipe (8) at the bottom of the layer, discharge branch pipe (4) with it has exhaust vent (9) still to set up on branch pipe (7) to distribute, air inlet branch pipe (6) with it has fresh air inlet (10) still to set up to distribute on branch pipe (8) to distribute to enter the air.

5. The in-building smoke evacuation system of claim 2, wherein: exhaust fans (11) for exhausting air in the exhaust vertical pipes (3) are further arranged in the exhaust branch pipes (4), and air supply fans (12) for exhausting air from the air inlet vertical pipes (5) are further arranged in the air inlet branch pipes (6).

6. The in-building smoke evacuation system of claim 1, wherein: the connector of the discharge vertical pipe (3) and the discharge branch pipe (4) is also provided with a swing blade (13) for opening and closing the connector, and the discharge branch pipe (4) is also fixedly provided with a control motor (14) for controlling the swing of the swing blade (13).

7. The in-building smoke evacuation system of claim 1, wherein: the upper end of discharge standpipe (3) still is connected with horizontal discharge pipe (15), horizontal discharge pipe (15) are last still to be connected with and carry out filterable rose box (16) to exhaust smog, horizontal discharge pipe (15) are last still to be connected with air exhauster (17), air exhauster (17) set up rose box (16) are close to one side of the export of horizontal discharge pipe (15).

8. The in-building smoke evacuation system of claim 1, wherein: the upper end of discharge standpipe (3) still is connected with horizontal discharge pipe (15), the exit of horizontal discharge pipe (15) still is connected with air exhauster (17), still be connected with many reposition of redundant personnel branch pipes (18) on the play tuber pipe of air exhauster (17), all be connected with rose box (16) on reposition of redundant personnel branch pipe (18).