CN111023384A - Smoke exhaust system for fire engineering - Google Patents
Smoke exhaust system for fire engineering Download PDFInfo
- Publication number
- CN111023384A CN111023384A CN201911383900.8A CN201911383900A CN111023384A CN 111023384 A CN111023384 A CN 111023384A CN 201911383900 A CN201911383900 A CN 201911383900A CN 111023384 A CN111023384 A CN 111023384A
- Authority
- CN
- China
- Prior art keywords
- air
- air pipe
- pipe
- sealing
- air bag
- Prior art date
- 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.)
- Granted
Links
- 239000000779 smoke Substances 0.000 title claims abstract description 52
- 238000007789 sealing Methods 0.000 claims abstract description 68
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 18
- 238000007599 discharging Methods 0.000 claims description 3
- 239000003517 fume Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 9
- 238000009423 ventilation Methods 0.000 abstract description 5
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 239000000428 dust Substances 0.000 description 11
- 238000000034 method Methods 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000008602 contraction Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/007—Ventilation with forced flow
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J11/00—Devices for conducting smoke or fumes, e.g. flues
- F23J11/12—Smoke conduit systems for factories or large buildings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/32—Responding to malfunctions or emergencies
- F24F11/33—Responding to malfunctions or emergencies to fire, excessive heat or smoke
- F24F11/34—Responding to malfunctions or emergencies to fire, excessive heat or smoke by opening air passages
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/02—Ducting arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Architecture (AREA)
- Ventilation (AREA)
Abstract
The invention relates to a smoke exhaust system for fire engineering, which comprises a smoke alarm, a main air pipe communicated with the interior of a building, an auxiliary air pipe communicated with the main air pipe, a bidirectional fan fixed in the main air pipe, a switching device and a controller, wherein the smoke alarm is electrically connected with the controller; the switching device comprises an air inlet plate vertically arranged in the auxiliary air pipe, a guide rod horizontally penetrating through the air inlet plate and in sliding fit with the air inlet plate, a sealing plate fixed on the end part of the guide rod, a closed air bag arranged between the sealing plate and the air inlet plate and an air pump fixed on the auxiliary air pipe and communicated with the closed air bag, wherein the air pump is electrically connected with the controller; the surface of the air inlet plate is provided with an air inlet; the two sides of the closed air bag are respectively and movably sealed with the inner side walls of the two sides of the main air pipe parallel to the length direction of the guide rod. The invention has the effects of smoke exhaust and ventilation, and improves the utilization rate of the air pipe.
Description
Technical Field
The invention relates to the technical field of fire-fighting facilities, in particular to a smoke exhaust system for fire-fighting engineering.
Background
The fire-fighting engineering is an important component in modern building design, and the life and property loss of people caused by the fire of buildings is countless every year, so the fire prevention work is particularly important. Serious fires cause not only a great deal of property loss but also a great deal of casualties, so fire-fighting emergency measures are usually set up when building construction and building facility arrangement are carried out. Can produce a large amount of smoke and dust when the conflagration takes place, the smoke and dust contains gas that a large amount of carbon monoxide, carbon dioxide etc. have harm to the human body usually, still can shelter from the route that people fleed simultaneously, has threatened the life of the people of fleing in the conflagration seriously, can set up emergent smoke exhaust system usually in the building, reduces the smoke and dust in the conflagration to people's in the conflagration success rate of fleing has been improved.
At present, current fire control system of discharging fume is including setting up in the tuber pipe and the fan on roof usually, when the conflagration breaing out, the fan starts for the smoke and dust in the room passes through the tuber pipe and discharges out the building, thereby plays smoke and dust in the reduction conflagration, improves the effect that people fleed the success rate in the conflagration.
The above prior art solutions have the following drawbacks: this type of system of discharging fume only can discharge the smoke and dust in the building, can't realize the indoor outer air exchange of building at daily time, and the function is single, has reduced the utilization ratio of tuber pipe.
Disclosure of Invention
Aiming at the defects in the prior art, one of the purposes of the invention is to provide a smoke exhaust system for fire-fighting engineering, which has the effects of smoke exhaust and ventilation, and improves the utilization rate of an air pipe.
The above object of the present invention is achieved by the following technical solutions:
a smoke exhaust system for fire engineering comprises a smoke alarm arranged in a building room, a main air pipe vertically arranged on a building roof and communicated with the building room, an auxiliary air pipe horizontally arranged and communicated with the main air pipe, a bidirectional fan fixed in the main air pipe and positioned on the lower side of the auxiliary air pipe, a switching device arranged between the main air pipe and the auxiliary air pipe and a controller fixed on the auxiliary air pipe, wherein the smoke alarm is electrically connected with the controller; the switching device comprises an air inlet plate which is vertically arranged in the secondary air pipe and fixed with the inner wall of the secondary air pipe, a guide rod which horizontally penetrates through the air inlet plate and is in sliding fit with the air inlet plate, a sealing plate which is fixed on the end part, close to the main air pipe, of the guide rod, a closed air bag which is arranged between the sealing plate and the air inlet plate, and an air pump which is fixed on the top of the secondary air pipe and is communicated with the closed air bag, wherein the air pump is electrically connected with the controller; the sealing plate is arranged in the main air pipe, the edges of the sealing plate are flush with the inner walls of the auxiliary air pipes respectively, and the surface of the air inlet plate is provided with an air inlet; the two sides of the closed air bag are movably sealed with the inner side walls of the main air pipe and the two sides of the closed air bag, which are parallel to the length direction of the guide rod, respectively, and the two sides of the closed air bag are movably sealed with the inner side walls of the auxiliary air pipe and the two sides of the closed air bag, which are parallel to the length direction of the guide rod, respectively.
By adopting the technical scheme, the sealing air bag stretches and seals the main air pipe in the daily life state, the auxiliary air pipe is communicated with the interior of the building through the main air pipe, the vertical main air pipe is sealed, rainwater is effectively prevented from entering the interior of the building along the main air pipe, and when the air in the interior of the building is not fresh, the bidirectional fan is started, so that negative pressure is formed on the upper side of the bidirectional fan, external air enters the building through the auxiliary air pipe and the main air pipe, the air in the building is exchanged, and the effect of improving the indoor air quality of the building is achieved; when a fire disaster occurs, the smoke alarm detects smoke dust and transmits a signal to the controller, the controller sends a driving signal to the air pump and the bidirectional fan, the air pump extracts air in the closed air bag to enable the closed air bag to contract, so that the sealing plate is driven to move towards the air inlet plate until the sealing plate enters the auxiliary air pipe to enable the auxiliary air pipe to be closed, at the moment, the closed air bag is put into the auxiliary air pipe, the main air pipe is communicated, then the bidirectional fan is started and blows air reversely, airflow flowing from the interior of the building to the exterior of the main air pipe is formed, the smoke dust in the interior of the building is discharged, and the escape success rate of people in the fire; therefore, the smoke exhaust system has the effects of smoke exhaust and ventilation, the arrangement of a large number of pipelines is avoided, and the utilization rate of the main air pipe is improved.
The present invention in a preferred example may be further configured to: the inner side walls of the two sides of the main air pipe, which are parallel to the length direction of the guide rod, are respectively provided with a sealing groove, one end of each sealing groove is flush with the inner side wall of the main air pipe, which is far away from the auxiliary air pipe, and the other end of each sealing groove is flush with the surface of the air inlet plate, which is close to the main air pipe; and sealing air bags are fixed on two sides of the sealing air bag, are arranged in the sealing groove and are communicated with the sealing air bag.
Through adopting above-mentioned technical scheme, when the inflatable balloon bloated in the closed air bag, the sealed air bag that communicates with it also inflated and bloated to be full of the seal groove, made the clearance in the seal groove fill up, thereby made sealing connection between closed air bag and the main air pipe inside wall, effectively prevented to get into the two-way fan in the rainwater contact main air pipe in the main air pipe, prevented that two-way fan contact rainwater from damaging.
The present invention in a preferred example may be further configured to: the seal groove is parallel to the inside wall of the telescopic direction of the sealed air bag and is provided with a guide groove, a guide block is connected in the guide groove in a sliding mode, and the guide block is fixed with the sealed air bag.
By adopting the technical scheme, when the sealed air bag is inflated, the guide block slides along the guide groove, so that the telescopic direction of the sealed air bag is guided, and the main air pipe is sealed after the sealed air bag is filled with air.
The present invention in a preferred example may be further configured to: a first air cavity, a second air cavity and a third air cavity are sequentially arranged in the closed air bag from the air inlet plate to the sealing plate, a first rubber plug is embedded on the inner side wall of the first air cavity close to the second air cavity, a second rubber plug is embedded on the inner side wall of the second air cavity close to the third air cavity, first air holes respectively communicated with the first air cavity and the second air cavity are formed in the first rubber plug, and second air holes respectively communicated with the second air cavity and the third air cavity are formed in the second rubber plug; the third air cavity is communicated with the inside of the sealing air bag.
By adopting the technical scheme, when the air pump blows air towards the closed air bag, the air is firstly filled into the first air cavity, so that the air pressure in the first air bag is gradually increased, then the air in the first air cavity enters the second air cavity through the first air hole of the first rubber plug, and is filled into the third air cavity through the second air hole when the second air cavity is full of air, so that the closed air bag is gradually expanded and expanded, when the third air cavity is inflated with air, the sealed air bag communicated with the third air cavity is also inflated with air, so that two sides of the sealed air bag are sealed with the inner side wall of the main air duct, the sealed air bag is communicated with the third air bag, so that the sealed air bag is gradually inflated and then is filled with air, therefore, the sealing air bag is prevented from being filled with the sealing groove when the sealing air bag swells, the resistance of the sealing air bag when the sealing air bag swells and stretches is reduced, and the swelling and stretching of the sealing air bag are smoother.
The present invention in a preferred example may be further configured to: a first one-way valve which can only ventilate towards the inside of the sealed air bag is fixed between the third air cavity and the sealed air bag, and a second one-way valve which can only ventilate towards the inside of the first air cavity is fixed between the first air cavity and the sealed air bag.
Through adopting above-mentioned technical scheme, after closed gasbag has risen, be full of the air in the third air cavity and inject the air toward sealed gasbag through first check valve, the resistance when closed gasbag has risen and has stretched, and when the air pump extraction closed gasbag in the air, the air in the first air cavity is at first taken out closed gasbag, in this moment, the gaseous closed gasbag that passes through second check valve and first air cavity discharge in the sealed gasbag, make sealed gasbag shrink, then the gaseous closed gasbag that discharges in proper order in second air cavity and the third air cavity, thereby make closed gasbag at the in-process of shrink, sealed gasbag does not contradict with the seal groove inner wall, the resistance that the shrink in-process of closed gasbag suffered has been reduced, make the shrink process of closed gasbag more smooth-going.
The present invention in a preferred example may be further configured to: and one end of the guide rod, which is far away from the sealing plate, is fixed with a limiting block.
Through adopting above-mentioned technical scheme, the setting of stopper prevents that guide bar and air inlet plate from breaking away from.
The present invention in a preferred example may be further configured to: the shrouding is close to be fixed with the rubber slab on the lateral wall of air inlet plate, the edge of everywhere of rubber slab respectively with the inner wall of everywhere of air intake flushes.
Through adopting above-mentioned technical scheme, after the shrink of closed gasbag, in the shrouding got into the secondary air pipe for the secondary air pipe is sealed, and the air intake was filled in to the rubber slab this moment, has further sealed the secondary air pipe, makes the smoke and dust pass through the main air pipe and discharges.
The present invention in a preferred example may be further configured to: the air inlet plate is fixed on the surface of the closed air bag, a drain hole is formed in the upper side of the closed air bag, and the drain hole penetrates through the air inlet plate.
By adopting the technical scheme, when rainfall weather occurs, the closed air bag seals the main air pipe, rainwater enters the upper end opening of the main air pipe and falls on the closed air bag, then the rainwater on the closed air bag is discharged into the auxiliary air pipe from the water discharge hole in the air inlet plate along the upper surface of the closed air bag, and finally the rainwater is discharged out of the auxiliary air pipe.
In summary, the invention includes at least one of the following beneficial technical effects:
the smoke exhaust system has the effects of smoke exhaust and ventilation, avoids the arrangement of a large number of pipelines, and improves the utilization rate of the main air pipe;
when the sealed air bag is inflated, the sealed air bag communicated with the sealed air bag is also inflated to bulge, so that the sealing groove is filled, and the gap in the sealing groove is filled, so that the sealed air bag is hermetically connected with the inner side wall of the main air pipe, rainwater entering the main air pipe is effectively prevented from contacting a bidirectional fan in the main air pipe, and the bidirectional fan is prevented from being damaged by contacting rainwater;
after the sealed gasbag has been bloated, be full of the air in the third air cavity and inject the air toward sealed gasbag through first check valve, the resistance when sealed gasbag has been bloated and has been stretched has been reduced, and when the air in the sealed gasbag of air pump extraction, the air in the first air cavity is at first taken out the sealed gasbag, in this moment, the gaseous emission in the sealed gasbag, thereby make the sealed gasbag at the in-process of shrink, sealed gasbag does not contradict with the seal groove inner wall, the resistance that the sealed gasbag shrink in-process suffered has been reduced, make the shrink process of sealed gasbag more smooth-going.
Drawings
Fig. 1 is a schematic structural diagram of the embodiment.
Fig. 2 is a schematic structural view of the closed airbag.
Fig. 3 is a schematic view of the structure of the sealed balloon.
Reference numerals: 1. a smoke alarm; 2. a main air duct; 21. a sealing groove; 211. a guide groove; 212. a guide block; 3. an auxiliary air duct; 4. a bidirectional fan; 51. an air inlet plate; 511. an air inlet; 512. a drain hole; 52. a guide bar; 521. a limiting block; 53. closing the plate; 531. a rubber plate; 54. sealing the air bag; 541. a first air cavity; 542. a second air cavity; 543. a third air cavity; 544. a first rubber plug; 545. a first air hole; 546. a second rubber plug; 547. a second air hole; 548. a first check valve; 549. a second one-way valve; 55. an air pump; 551. a communicating pipe; 56. sealing the air bag; 6. and a controller.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, the smoke exhaust system for fire engineering disclosed by the invention comprises a smoke alarm 1, a main air pipe 2, an auxiliary air pipe 3, a bidirectional fan 4, a switching device and a controller 6. The smoke alarm 1 is an existing smoke sensor, is arranged in a building and fixed with the inner top surface of the building, and is used for detecting smoke generated when a fire disaster occurs in the building. The main air pipe 2 is a tubular structure with a rectangular opening, is vertically arranged on the building roof, and the lower end of the main air pipe 2 is fixed with the building roof and is communicated with the inside of the building. The opening of auxiliary air pipe 3 is the rectangle, and its length direction level, 3 one end of auxiliary air pipe are fixed and with the inside intercommunication of main air pipe 2 with one side lateral wall of main air pipe 2, and the both sides inside wall of auxiliary air pipe 3 flushes with the both sides inside wall that main air pipe 2 is on a parallel with 3 length direction of auxiliary air pipe respectively. The bidirectional fan 4 is an existing axial flow fan, is arranged in the main air pipe 2 and is fixed with the peripheral inner side wall of the main air pipe 2, and the bidirectional fan 4 is arranged on the lower side of the auxiliary air pipe 3. The controller 6 sets up in the 3 downside of auxiliary air pipe and fixed with 3 bottom surfaces of auxiliary air pipe, and the controller 6 is connected with two-way fan 4 and smoke alarm 1 electricity respectively, and when the indoor conflagration that breaks out of building, smoke alarm 1 detects the smoke and dust and transmits signal to controller 6, and controller 6 sends signal to two-way fan 4 again for two-way fan 4 starts, and the smoke and dust in the drum-bone is discharged by main air pipe 2.
Referring to fig. 1, the switching device includes an air inlet plate 51, a guide rod 52, a sealing plate 53, a closed air bag 54, and an air pump 55. The air inlet plate 51 is rectangular plate-shaped and is vertically arranged in the auxiliary air duct 3, and the edges of the air inlet plate 51 are fixed with the inner walls of the auxiliary air duct 3. The air inlet 511 is formed in the surface of the air inlet plate 51, the opening of the air inlet 511 is rectangular, the air inlet 511 penetrates through the air inlet plate 51, and the air inlet 511 is arranged on the lower half portion of the air inlet plate 51. The guide rod 52 is a rod-shaped structure with a rectangular cross section, the length direction of the guide rod is consistent with that of the auxiliary air duct 3, the guide rod 52 horizontally penetrates through the air inlet plate 51 and is in sliding fit with the air inlet plate, and two ends of the guide rod 52 are respectively arranged in the main air duct 2 and one side of the air inlet plate 51 far away from the main air duct 2. A limiting block 521 is fixed at one end of the guide rod 52 far away from the main air duct 2, the limiting block 521 is in a circular block shape, and the axis of the limiting block 521 coincides with the central line of the guide rod 52 parallel to the length direction of the guide rod 52. The sealing plate 53 is rectangular plate-shaped, and is vertically arranged in the main air duct 2, the guide rod 52 is arranged at one end of the main air duct 2 and fixed with the side wall of the sealing plate 53 close to the air inlet plate 51, and the edges of the sealing plate 53 are flush with the inner walls of the auxiliary air ducts 3. The side wall of the closing plate 53 close to the air inlet plate 51 is fixed with a rubber plate 531, the rubber plate 531 is rectangular plate-shaped, the edges of the four positions of the rubber plate 531 are flush with the four inner walls of the air inlet 511 respectively, and the rubber plate 531 is made of rubber. The closed air bag 54 is in a rectangular plate shape when being bulged, the interior of the closed air bag is hollow, the closed air bag 54 is made of elastic rubber materials, one end of the closed air bag 54 is fixed with the side wall, close to the air inlet plate 51, of the sealing plate 53, the other end of the closed air bag 54 is fixed with the side wall, close to the sealing plate 53, of the air inlet plate 51, and the closed air bag 54 is arranged at the top of the. The sealing plate 53 is provided with a water outlet 512 on the surface thereof provided with the air inlet 511, the opening of the water outlet 512 is circular, and the water outlet 512 is arranged on the upper side of the sealed air bag 54 and is used for draining rainwater on the upper side of the sealed air bag 54.
Referring to fig. 1, the air pump 55 is disposed on the sub-duct 3 and fixed to the upper surface of the sub-duct 3, the air pump 55 is electrically connected to the controller 6, and the air pump 55 is provided with a communicating tube 551, the communicating tube 551 is in a circular tube shape, one end of the communicating tube 551 is communicated with the air pump 55, and the other end of the communicating tube 551 sequentially passes through the upper surface of the sub-duct 3, the inner top surface of the sub-duct 3, and the surface of the air inlet plate 51 and is fixed to the surface of the air inlet plate 51 connected to the closed air bag. As shown in fig. 2, a first air cavity 541, a second air cavity 542 and a third air cavity 543 are sequentially arranged from the air inlet plate 51 to the sealing plate 53 in the sealed air bag 54, a first rubber plug 544 is embedded on the inner side wall of the first air cavity 541 close to the second air cavity 542, the first rubber plug 544 is in a circular block shape and is made of an elastic rubber material, a first air hole 545 is formed in the center of the end surface of the first air cavity 541 close to the end surface of the first air cavity 541, the opening of the first air hole 545 is circular, the first air hole 545 penetrates through the first rubber plug 544, and in addition, the first air hole 545 is formed by inserting a steel needle into the first rubber plug. The second rubber plug 546 is embedded on the inner side wall of the second air cavity 542 close to the third air cavity 543, the second rubber plug 546 is in a circular block shape and is made of an elastic rubber material, a second air hole 547 is formed in the center of the end face of the second air cavity 542, the opening of the second air hole 547 is circular, the second air hole 547 penetrates through the second rubber plug 546, and in addition, the second air hole 547 is formed by inserting a steel needle into the second rubber plug 546. Referring to fig. 3, the sealing groove 21 is formed in the inner side walls of the two sides of the main air duct 2 parallel to the length direction of the guide rod 52, the sealing groove 21 is horizontal in the length direction, the cross section of the sealing groove 21 is rectangular, one end of the sealing groove 21 is flush with the inner side wall of the main air duct 2 far away from the auxiliary air duct 3, and the other end of the sealing groove 21 is flush with the side wall of the air inlet plate 51 close to the main air. The side of the closed air bag 54 close to the sealing groove 21 is fixed with a sealed air bag 56, the sealed air bag 56 is a strip-shaped structure with a rectangular cross section, the interior of the sealed air bag is hollow, two ends of the sealed air bag are respectively flush with two ends of the closed air bag 54, and the sealed air bag 56 is made of elastic rubber. Referring to fig. 2, a first check valve 548 is embedded in the third air chamber 543 near the inner sidewall of the sealed air bag 56, the first check valve 548 is connected to the sealed air bag 56, and the first check valve 548 can only pass the air from the third air chamber 543 to the sealed air bag 56. A second one-way valve 549 is embedded on the inner side wall of the first air cavity 541 close to the sealed air bag 56, the second one-way valve 549 is communicated with the sealed air bag 56, and the second one-way valve 549 can only pass through the air from the sealed air bag 56 to the first air cavity 541. The inner side wall of the sealing groove 21 far away from the closed air bag 54 is provided with a guide groove 211, the cross section of the guide groove 211 is in a dovetail shape, the length direction of the guide groove 211 is consistent with the length direction of the sealing groove 21, a guide block 212 is connected in the guide groove 211 in a sliding mode, the guide block 212 is in a dovetail shape block shape, and the surface of the guide block 212, which is exposed out of the opening of the guide groove 211, is fixed with the outer side wall of the closed air bag 56 far away from the.
When the air pump 55 inflates towards the inside of the closed air bag 54, air is firstly filled into the first air cavity 541, so that the air pressure in the first air bag gradually increases, then the air in the first air cavity 541 enters the second air cavity 542 through the first air hole 545 of the first rubber plug 544, when the air in the second air cavity 542 is filled, the air is filled into the third air cavity 543 through the second air hole 547, so that the closed air bag 54 gradually expands and bulges, when the third air cavity 543 is filled with air, the air is also filled into the sealed air bag 56 communicated with the third air cavity 543 until the sealed air bag 56 is filled with the sealing groove 21, so that the two sides of the closed air bag 54 are sealed with the inner side wall of the main pipe 2, and the first check valve 548 is arranged, so that the closed air bag 54 gradually bulges and then fills the sealed air bag 56 with the sealing groove 21, so that the resistance when the closed air bag 54 expands is reduced, the bulging and extension of the closed air cell 54 are made smoother. When the air pump 55 pumps the air in the closed air bag 54, the air in the first air cavity 541 is firstly pumped out of the closed air bag 54, meanwhile, the air in the closed air bag 56 is discharged out of the closed air bag 54 through the second one-way valve 549 and the first air cavity 541, so that the closed air bag 56 is contracted, then the air in the second air cavity 542 and the third air cavity 543 is sequentially discharged out of the closed air bag 54, so that the closed air bag 54 is not collided with the inner wall of the sealing groove 21 in the contraction process, the resistance suffered in the contraction process of the closed air bag 54 is reduced, and the contraction process of the closed air bag 54 is smoother.
The implementation principle of the embodiment is as follows: in a daily life state, the sealed air bag 54 is filled with air and abuts against the inner side wall of the main air pipe 2, so that the main air pipe 2 is sealed, rainwater is effectively prevented from entering a building room along the main air pipe 2, at the moment, the auxiliary air pipe 3 is communicated with the building room through the air inlet 511 and the main air pipe 2, and when the air in the building room is not fresh, the bidirectional fan 4 is started, so that negative pressure is formed on the upper side of the bidirectional fan 4, external air enters the building through the auxiliary air pipe 3 and the main air pipe 2, the air in the building is exchanged, and the effect of improving the air quality in the building room is achieved; when a fire disaster happens, the smoke alarm 1 detects smoke and transmits signals to the controller 6, the controller 6 sends driving signals to the air pump 55 and the bidirectional fan 4, the air pump 55 extracts air in the closed air bag 54, the closed air bag 54 contracts, the sealing plate 53 is driven to move towards the air inlet plate 51 until the sealing plate 53 enters the auxiliary air pipe 3, the auxiliary air pipe 3 is sealed, at the moment, the closed air bag 54 receives the auxiliary air pipe 3, the main air pipe 2 is communicated, the bidirectional fan 4 is started and blows air reversely, airflow flowing towards the outside of the main air pipe 2 in the building is formed, smoke in the building is discharged, the escape success rate of people in the fire disaster is improved, the smoke discharge system has the effects of smoke discharge and ventilation, the arrangement of a large number of pipelines is avoided, and the utilization rate of the main air pipe 2 is improved.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (8)
1. The utility model provides a system of discharging fume for fire engineering which characterized in that: the smoke alarm device comprises a smoke alarm device (1) arranged in a building room, a main air pipe (2) vertically arranged on a building roof and communicated with the building room, an auxiliary air pipe (3) horizontally arranged and communicated with the main air pipe (2), a bidirectional fan (4) fixed in the main air pipe (2) and positioned on the lower side of the auxiliary air pipe (3), a switching device (5) arranged between the main air pipe (2) and the auxiliary air pipe (3) and a controller (6) fixed on the auxiliary air pipe (3), wherein the smoke alarm device (1) is electrically connected with the controller (6), and the controller (6) is electrically connected with the bidirectional fan (4); the switching device comprises an air inlet plate (51) which is vertically arranged in the auxiliary air pipe (3) and fixed with the inner wall of the auxiliary air pipe (3), a guide rod (52) which horizontally penetrates through the air inlet plate (51) and is in sliding fit with the air inlet plate, a sealing plate (53) which is fixed on the end part, close to the main air pipe (2), of the guide rod (52), a closed air bag (54) which is arranged between the sealing plate (53) and the air inlet plate (51) and an air pump (55) which is fixed on the top of the auxiliary air pipe (3) and is communicated with the closed air bag (54), wherein the air pump (55) is electrically connected with the controller (6); the sealing plates (53) are arranged in the main air pipe (2), the edges of the sealing plates (53) are flush with the inner walls of the auxiliary air pipe (3), and air inlets (511) are formed in the surface of the air inlet plate (51); the two sides of the closed air bag (54) are movably sealed with the inner side walls of the main air pipe (2) on the two sides parallel to the length direction of the guide rod (52), and the two sides of the closed air bag (54) are movably sealed with the inner side walls of the auxiliary air pipe (3) on the two sides parallel to the length direction of the guide rod (52).
2. A smoke evacuation system for fire fighting engineering according to claim 1, characterized in that: the inner side walls of the two sides of the main air pipe (2) parallel to the length direction of the guide rod (52) are respectively provided with a sealing groove (21), one end of each sealing groove (21) is flush with the inner side wall of the main air pipe (2) far away from the auxiliary air pipe (3), and the other end of each sealing groove is flush with the surface of the air inlet plate (51) close to the main air pipe (2); sealing air bags (56) are fixed on two sides of the sealing air bag (54), the sealing air bags (56) are arranged in the sealing groove (21), and the sealing air bags (56) are communicated with the sealing air bag (54).
3. A smoke evacuation system for fire engineering according to claim 2, wherein: seal groove (21) are on a parallel with guide way (211) have been seted up to the inside wall of sealed gasbag (54) flexible direction, sliding connection has guide block (212) in guide way (211), guide block (212) with sealed gasbag (56) are fixed.
4. A smoke evacuation system for fire engineering according to claim 3, wherein: a first air cavity (541), a second air cavity (542) and a third air cavity (543) are sequentially arranged in the closed air bag (54) from the air inlet plate (51) to the sealing plate (53), a first rubber plug (544) is embedded on the inner side wall of the first air cavity (541) close to the second air cavity (542), a second rubber plug (546) is embedded on the inner side wall of the second air cavity (542) close to the third air cavity (543), first air holes (545) respectively communicated with the first air cavity (541) and the second air cavity (542) are formed in the first rubber plug (544), and second air holes (547) respectively communicated with the second air cavity (542) and the third air cavity (543) are formed in the second rubber plug (546); the third air chamber (543) is communicated with the inside of the sealed air bag (56).
5. A smoke evacuation system for fire engineering according to claim 4, wherein: a first one-way valve (548) which can only ventilate towards the inside of the sealed air bag (56) is fixed between the third air chamber (543) and the sealed air bag (56), and a second one-way valve (549) which can only ventilate towards the inside of the first air chamber (541) is fixed between the first air chamber (541) and the sealed air bag (56).
6. A smoke evacuation system for fire fighting engineering according to claim 1, characterized in that: and a limiting block (521) is fixed at one end of the guide rod (52) far away from the sealing plate (53).
7. A smoke evacuation system for fire fighting engineering according to claim 1, characterized in that: the air inlet plate is characterized in that the sealing plate (53) is close to the side wall of the air inlet plate (51), rubber plates (531) are fixed on the side wall of the air inlet plate, and the edges of the four positions of the rubber plates (531) are respectively flush with the inner walls of the four positions of the air inlet (511).
8. A smoke evacuation system for fire engineering according to claim 2, wherein: a drain hole (512) is formed in the surface, fixed to the closed air bag (54), of the air inlet plate (51), the drain hole (512) is formed in the upper side of the closed air bag (54), and the drain hole (512) penetrates through the air inlet plate (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911383900.8A CN111023384B (en) | 2019-12-28 | 2019-12-28 | Smoke exhaust system for fire engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911383900.8A CN111023384B (en) | 2019-12-28 | 2019-12-28 | Smoke exhaust system for fire engineering |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111023384A true CN111023384A (en) | 2020-04-17 |
| CN111023384B CN111023384B (en) | 2021-09-10 |
Family
ID=70194815
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911383900.8A Active CN111023384B (en) | 2019-12-28 | 2019-12-28 | Smoke exhaust system for fire engineering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111023384B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111829125A (en) * | 2020-07-16 | 2020-10-27 | 浙江惠创风机有限公司 | Fire control roof axial fan that discharges fume |
Citations (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5664237A (en) * | 1979-10-30 | 1981-06-01 | Tamotsu Tokuhara | Smoke exhausting device |
| CN1086303A (en) * | 1992-10-24 | 1994-05-04 | 谢春盛 | Utilize the fire fume extractor of cold air air outlet axial flow fan counter-rotating |
| JPH09302792A (en) * | 1996-05-10 | 1997-11-25 | Noboru Maruyama | Ventilation structure in building |
| US20010035462A1 (en) * | 2000-05-01 | 2001-11-01 | Jonathan Collazo | HVAC safety shutoff system |
| EP1617002A1 (en) * | 2003-02-11 | 2006-01-18 | Thertim, S.L. | Structural arrangement which assists rapid fire load combustion and smoke and gas evacuation |
| CN2769739Y (en) * | 2005-03-14 | 2006-04-05 | 北京金万众空调制冷设备有限责任公司 | Fixed surface-cooler ventilating and air conditioning system for subway station |
| CN102032637A (en) * | 2010-12-31 | 2011-04-27 | 南京工业大学 | Smoke prevention method and system for high-rise building fire and smoke prevention based on smoke prevention buffer zone |
| US20120009864A1 (en) * | 2009-04-07 | 2012-01-12 | Fuchang Shen | Negative-Pressure Smoke-Guiding Fireproof Building Structure |
| CA2545420C (en) * | 2003-11-11 | 2012-05-15 | Antero Heinonen | Arrangement in the ventilation of a kitchen appliance |
| CN102519120A (en) * | 2011-12-09 | 2012-06-27 | 上海市隧道工程轨道交通设计研究院 | Open-closed system station subway platform ventilation and smoke exhaust method |
| US20130252537A1 (en) * | 2012-03-20 | 2013-09-26 | Josiah Wiley | Energy recovery ventilation smoke evacuation |
| CN203657153U (en) * | 2013-12-27 | 2014-06-18 | 上海联创建筑设计有限公司 | Ventilator room air duct conversion system used for garage inductive ventilation |
| CN105318477A (en) * | 2015-04-10 | 2016-02-10 | 华北水利水电大学 | Non-ventilation-pipeline inducing type ventilation and smoke exhaust system and ventilation and smoke exhaust method thereof |
| EP3054234A1 (en) * | 2015-02-09 | 2016-08-10 | Marco Zambolin | Air treatment plant, method for treating air and use of said plant |
| CN106500290A (en) * | 2016-11-01 | 2017-03-15 | 陈佩佩 | Smoke exhaust pipe |
| CN206131309U (en) * | 2016-09-21 | 2017-04-26 | 沈阳市华域建筑设计有限公司 | Gas is put out a fire and available secret for equipment room ventilation system that airs exhaust that discharges fume |
| CN106594952A (en) * | 2016-11-17 | 2017-04-26 | 江苏智石科技有限公司 | High-suction type ventilating device |
| CN107388466A (en) * | 2017-09-10 | 2017-11-24 | 沈阳建筑大学 | Underground traffic ventilation smoke extraction system |
| CN207214334U (en) * | 2017-09-10 | 2018-04-10 | 沈阳建筑大学 | Underground traffic ventilation smoke extraction system |
| CN207716609U (en) * | 2017-12-22 | 2018-08-10 | 科越工程(苏州）有限公司 | A kind of fire-fighting ventilation shaft |
| CN208075235U (en) * | 2018-03-26 | 2018-11-09 | 中铁建设集团有限公司 | A kind of underground fire protection control room is usually blown and smoke evacuation integrated system |
| CN109139078A (en) * | 2018-08-22 | 2019-01-04 | 国诚集团有限公司 | A kind of tunnel ventilation smoke evacuation system |
| CN109364397A (en) * | 2018-09-18 | 2019-02-22 | 黎庆佳 | A kind of fire-type computer room based on block chain technology |
| CN209197075U (en) * | 2018-09-30 | 2019-08-02 | 深圳市荣中消防装饰工程有限公司 | A kind of fire engineering automatic smoke exhausting system |
| CN209197079U (en) * | 2018-09-30 | 2019-08-02 | 深圳市荣中消防装饰工程有限公司 | A kind of basement ventilatory system |
| CN209295354U (en) * | 2018-11-09 | 2019-08-23 | 广州建誉利业建设发展股份有限公司 | A kind of automatic smoke exhausting system for fire engineering |
| EP3364120B1 (en) * | 2017-02-21 | 2019-12-11 | Aldes Aeraulique | Ventilation cabinet for a smoke-removal installation comprising an adjustment |
-
2019
- 2019-12-28 CN CN201911383900.8A patent/CN111023384B/en active Active
Patent Citations (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5664237A (en) * | 1979-10-30 | 1981-06-01 | Tamotsu Tokuhara | Smoke exhausting device |
| CN1086303A (en) * | 1992-10-24 | 1994-05-04 | 谢春盛 | Utilize the fire fume extractor of cold air air outlet axial flow fan counter-rotating |
| JPH09302792A (en) * | 1996-05-10 | 1997-11-25 | Noboru Maruyama | Ventilation structure in building |
| US20010035462A1 (en) * | 2000-05-01 | 2001-11-01 | Jonathan Collazo | HVAC safety shutoff system |
| EP1617002A1 (en) * | 2003-02-11 | 2006-01-18 | Thertim, S.L. | Structural arrangement which assists rapid fire load combustion and smoke and gas evacuation |
| CA2545420C (en) * | 2003-11-11 | 2012-05-15 | Antero Heinonen | Arrangement in the ventilation of a kitchen appliance |
| CN2769739Y (en) * | 2005-03-14 | 2006-04-05 | 北京金万众空调制冷设备有限责任公司 | Fixed surface-cooler ventilating and air conditioning system for subway station |
| US20120009864A1 (en) * | 2009-04-07 | 2012-01-12 | Fuchang Shen | Negative-Pressure Smoke-Guiding Fireproof Building Structure |
| CN102032637A (en) * | 2010-12-31 | 2011-04-27 | 南京工业大学 | Smoke prevention method and system for high-rise building fire and smoke prevention based on smoke prevention buffer zone |
| CN102519120A (en) * | 2011-12-09 | 2012-06-27 | 上海市隧道工程轨道交通设计研究院 | Open-closed system station subway platform ventilation and smoke exhaust method |
| US20130252537A1 (en) * | 2012-03-20 | 2013-09-26 | Josiah Wiley | Energy recovery ventilation smoke evacuation |
| CN203657153U (en) * | 2013-12-27 | 2014-06-18 | 上海联创建筑设计有限公司 | Ventilator room air duct conversion system used for garage inductive ventilation |
| EP3054234A1 (en) * | 2015-02-09 | 2016-08-10 | Marco Zambolin | Air treatment plant, method for treating air and use of said plant |
| CN105318477A (en) * | 2015-04-10 | 2016-02-10 | 华北水利水电大学 | Non-ventilation-pipeline inducing type ventilation and smoke exhaust system and ventilation and smoke exhaust method thereof |
| CN206131309U (en) * | 2016-09-21 | 2017-04-26 | 沈阳市华域建筑设计有限公司 | Gas is put out a fire and available secret for equipment room ventilation system that airs exhaust that discharges fume |
| CN106500290A (en) * | 2016-11-01 | 2017-03-15 | 陈佩佩 | Smoke exhaust pipe |
| CN106594952A (en) * | 2016-11-17 | 2017-04-26 | 江苏智石科技有限公司 | High-suction type ventilating device |
| EP3364120B1 (en) * | 2017-02-21 | 2019-12-11 | Aldes Aeraulique | Ventilation cabinet for a smoke-removal installation comprising an adjustment |
| CN107388466A (en) * | 2017-09-10 | 2017-11-24 | 沈阳建筑大学 | Underground traffic ventilation smoke extraction system |
| CN207214334U (en) * | 2017-09-10 | 2018-04-10 | 沈阳建筑大学 | Underground traffic ventilation smoke extraction system |
| CN207716609U (en) * | 2017-12-22 | 2018-08-10 | 科越工程(苏州）有限公司 | A kind of fire-fighting ventilation shaft |
| CN208075235U (en) * | 2018-03-26 | 2018-11-09 | 中铁建设集团有限公司 | A kind of underground fire protection control room is usually blown and smoke evacuation integrated system |
| CN109139078A (en) * | 2018-08-22 | 2019-01-04 | 国诚集团有限公司 | A kind of tunnel ventilation smoke evacuation system |
| CN109364397A (en) * | 2018-09-18 | 2019-02-22 | 黎庆佳 | A kind of fire-type computer room based on block chain technology |
| CN209197075U (en) * | 2018-09-30 | 2019-08-02 | 深圳市荣中消防装饰工程有限公司 | A kind of fire engineering automatic smoke exhausting system |
| CN209197079U (en) * | 2018-09-30 | 2019-08-02 | 深圳市荣中消防装饰工程有限公司 | A kind of basement ventilatory system |
| CN209295354U (en) * | 2018-11-09 | 2019-08-23 | 广州建誉利业建设发展股份有限公司 | A kind of automatic smoke exhausting system for fire engineering |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111829125A (en) * | 2020-07-16 | 2020-10-27 | 浙江惠创风机有限公司 | Fire control roof axial fan that discharges fume |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111023384B (en) | 2021-09-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110206466A (en) | Civil air defense constructions and installations hermatic door with air bag | |
| CN208251964U (en) | A kind of automatic fire shutter door having fire-extinguishing function concurrently | |
| CN111023384B (en) | Smoke exhaust system for fire engineering | |
| CN109364397B (en) | Fireproof machine room based on block chain technology | |
| CN112796639B (en) | Wooden door with automatic fire extinguishing function and use method thereof | |
| GB2374108A (en) | Flood barrier | |
| CN107489169B (en) | Water bag type pressure regulating device and pressure regulating method | |
| CN107190856B (en) | Air film building exhaust device | |
| CN111457188B (en) | Automatic sealing pipeline | |
| CN113250580B (en) | Fireproof door frame structure convenient to install | |
| CN105735690A (en) | Safe switch board room for escaping and isolating failure equipment during fire hazard | |
| CN220565976U (en) | Civil air defense engineering airtight door | |
| CN213269636U (en) | Prevent better fire door of smog effect | |
| CN111636802B (en) | Waterproof device is aerifyd to underground garage front end | |
| CN208267532U (en) | A kind of water inflating tent of water-impervious | |
| CN210719579U (en) | Device for detecting air tightness of engineering on site door | |
| CN105963887A (en) | Spraying device for fire control | |
| GB201020223D0 (en) | Barrier apparatus | |
| CN205577273U (en) | Prevent skylight of discharging fume of falling | |
| CN102979554B (en) | Water isolation type coal mine refuge chamber transition chamber and method for entering chamber | |
| CN111365074A (en) | A kind of mine quick sealing capsule device and using method | |
| CN207633518U (en) | Pressure relief device and pneumatic membrane building | |
| JP2918466B2 (en) | Drainage pipe maintenance device | |
| CN217518709U (en) | Tunnel cross passage fire-proof flood-proof door | |
| CN104948221B (en) | Ventilating method and equipment for air pressure maintaining for drilling in mine rescue |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Room 2 # 1401, Rainbow Home, No. 321 Changjiang West Road, Shushan District, Hefei City, Anhui Province, 230000 Patentee after: Xie Ding Group Co.,Ltd. Address before: Room 2 # 1401, Rainbow Home, No. 321 Changjiang West Road, Shushan District, Hefei City, Anhui Province, 230000 Patentee before: Anhui xieiding Construction Engineering Co.,Ltd. |