CN114576769B - Fire control smoke exhaust system - Google Patents
Fire control smoke exhaust system Download PDFInfo
- Publication number
- CN114576769B CN114576769B CN202210262566.6A CN202210262566A CN114576769B CN 114576769 B CN114576769 B CN 114576769B CN 202210262566 A CN202210262566 A CN 202210262566A CN 114576769 B CN114576769 B CN 114576769B
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- Prior art keywords
- plate
- smoke
- plates
- wall
- flow dividing
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- 239000000779 smoke Substances 0.000 title claims abstract description 121
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 29
- 239000007921 spray Substances 0.000 claims description 18
- 230000002457 bidirectional effect Effects 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 10
- 238000004891 communication Methods 0.000 claims description 5
- 230000000712 assembly Effects 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 8
- 239000000428 dust Substances 0.000 description 11
- 238000007599 discharging Methods 0.000 description 8
- 244000309464 bull Species 0.000 description 6
- 239000003517 fume Substances 0.000 description 6
- 239000012535 impurity Substances 0.000 description 6
- 238000010030 laminating Methods 0.000 description 5
- 230000000149 penetrating effect Effects 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000005507 spraying Methods 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
- 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
- 239000012141 concentrate Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
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- 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
- F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
- F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/02—Nozzles specially adapted for fire-extinguishing
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
-
- 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
-
- 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
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The application relates to a fire-fighting smoke exhaust system, which relates to the technical field of fire-fighting facilities; the smoke exhaust device comprises flow dividing plates symmetrically inserted into smoke exhaust ports, wherein one end of each flow dividing plate far away from the room is symmetrically and rotationally connected with a cover plate, and the cover plates are symmetrically distributed on two sides of the flow dividing plates; a first torsion spring is arranged at the rotation connection part of each cover plate and the flow dividing plate, one end of the first torsion spring is connected with the flow dividing plate, the other end of the first torsion spring is connected with the cover plate, and the cover plate is used for covering the smoke outlet opening when the first torsion spring is not deformed; the side wall of each cover plate, which is far away from the flow dividing plate, is provided with a first stay rope, and the cover plate is further provided with a driving assembly, wherein the driving assembly is used for driving the cover plates to rotate relative to the flow dividing plate by pulling or releasing the first stay rope; the convenient opening and closing of the smoke outlet is realized, and when the smoke outlet is not needed, the smoke outlet is closed, so that the heat transfer effect of indoor and outdoor environments is reduced.
Description
Technical Field
The application relates to the technical field of fire-fighting facilities, in particular to a fire-fighting smoke exhaust system.
Background
When a fire disaster occurs, a large amount of smoke dust is generated, the smoke dust usually contains a large amount of carbon monoxide, carbon dioxide and other gases harmful to human bodies, and meanwhile, the escape route of people is also shielded, so that the life safety of escaping personnel is seriously threatened.
At present, a smoke exhaust system is generally characterized in that a smoke exhaust port is formed in a building wall in a penetrating manner, a smoke exhaust fan is arranged in the smoke exhaust port, when a fire disaster occurs, smoke dust generated by the fire disaster can be exhausted from the smoke exhaust port into a room, and meanwhile, the speed of the smoke dust exhausted from the room is improved by starting the smoke exhaust fan to accelerate the airflow velocity; however, since the smoke outlet is always in a communication state with the indoor and outdoor environments, the smoke discharging structure is easy to cause heat exchange between the indoor and outdoor environments when smoke discharging is not needed, and the heat exchange is easy to occur between the indoor and outdoor environments, such as the condition that indoor heat is dissipated in winter or outdoor heat enters the indoor environment in summer to influence indoor temperature.
Disclosure of Invention
In order to improve the technical problems that the indoor and outdoor environments have heat exchange when smoke is not needed by the smoke discharging structure in the related art, and then the indoor temperature causes discomfort to the human body, the application provides a fire-fighting smoke discharging system.
The application provides a fire control smoke evacuation system adopts following technical scheme:
the fire-fighting smoke exhaust system comprises flow dividing plates symmetrically inserted in smoke exhaust openings, wherein one end of each flow dividing plate far away from the room is symmetrically and rotatably connected with a cover plate, and the cover plates are symmetrically distributed on two sides of the flow dividing plates; a first torsion spring is arranged at the rotation connection part of each cover plate and the flow dividing plate, one end of the first torsion spring is connected with the flow dividing plate, the other end of the first torsion spring is connected with the cover plate, and the cover plate is used for covering the smoke outlet opening when the first torsion spring is not deformed; each side wall of the cover plate, which is far away from the splitter plate, is provided with a first stay rope, and the cover plate is further provided with a driving assembly, wherein the driving assembly is used for driving the cover plate to rotate relative to the splitter plate by pulling or releasing the first stay rope.
By adopting the technical scheme, when the first torsion spring is not deformed, the cover plate covers the smoke outlet, and the smoke outlet is in a closed state at the moment, so that indoor and outdoor heat is isolated, and indoor and outdoor heat exchange is reduced; when needs are discharged fume, drive the bull stick through drive assembly and rotate, first stay cord removes under the pulling of bull stick, the fixed orifices plays the guide effect to the direction of movement of first stay cord, the apron rotates as the center with the pin joint of division board and apron under the pulling force effect of first stay cord, so that the apron rotates towards the direction that is close to the division board, first torsional spring deformation this moment, when the apron changes to being on a parallel with division board lateral wall, control drive assembly stops the rotation of bull stick, the exhaust port is in open state this moment, realize discharging fume, after accomplishing discharging fume, drive assembly drives the bull stick and reverses, so that first stay cord is released the bull stick, the apron drives the apron under the torsion effect of first torsional spring this moment and resets, the apron covers in exhaust port department again promptly.
Preferably, the driving assemblies are arranged in one-to-one correspondence with the flow dividing plates, and each driving assembly comprises a rotating rod and a motor for driving the rotating rod to rotate; the inner wall of the building, which is close to the smoke outlet, is provided with a fixed hole for the first pull rope to pass through, the splitter plate is provided with a guide hole for the corresponding first pull rope to pass through, the inner wall of the guide hole and the inner wall of the fixed hole are rotationally connected with guide rods, and all the first pull ropes on the splitter plate are sequentially wound around the guide rods in the guide holes and the guide rods in the fixed holes and are connected with corresponding rotating rods.
Through adopting above-mentioned technical scheme, the setting of guide bar makes first stay cord and guiding hole inner wall, and the friction between first stay cord and the fixed orifices inner wall becomes rolling friction by sliding friction, has reduced the wearing and tearing of first stay cord, plays the effect of protection first stay cord.
Preferably, each of the splitter plates includes a support bar, a first splitter plate, and a second splitter plate; the guide hole is positioned on the support rod, the first sub-plate and the second sub-plate are symmetrically and rotationally connected to the outer side of the support rod, and the cover plate is rotationally connected to one end of the first sub-plate, which is far away from the support rod; the first torsion spring is arranged at the rotation connection part of the first sub-plate and the support rod and the rotation connection part of the second sub-plate and the support rod, the first sub-plate and the second sub-plate are connected to one end of the corresponding second torsion spring, the other end of the second torsion spring is connected to the side wall of the support rod, and the linkage assembly is used for driving the first sub-plate and the second sub-plate to rotate relative to the support rod.
Through adopting above-mentioned technical scheme, when needs are discharged fume, after turning over the apron to being parallel to first minute board, drive first minute board and second minute board through the linkage subassembly and rotate, and make first minute board and second minute board keep away from the one end laminating in the exhaust port inner wall of backup pad department, first minute board and second minute board incline with respect to the exhaust port length direction this moment, this structure can play the guide effect to the removal route of the smoke and dust that passes the exhaust port on the one hand, make the smoke and dust concentrate and discharge in the passageway between two minute boards, and enlarged the passageway size between two minute boards; on the other hand, the solid impurities carried in the smoke dust are easy to adhere to the splitter plate when passing through the smoke outlet, when the first splitter plate and the second splitter plate are affected by the torsion of the second torsion spring to realize resetting, the impurities adhered to the splitter plate are affected by vibration of the first splitter plate and the second splitter plate to separate from the splitter plate, so that the impurity adhesion quantity on the splitter plate is reduced, and the condition that the smoke outlet is blocked is further reduced.
Preferably, each cover plate comprises a sleeve plate, an inserting plate and an extending spring, an inserting groove for inserting the inserting plate and the extending spring is formed in the end wall of the sleeve plate, which is close to the inserting plate, one end of the inserting plate is inserted into the inserting groove and connected with the end part of the extending spring, the other end of the inserting plate is rotationally connected with the distributing plate, and one end of the first torsion spring, which is far away from the distributing plate, is connected with the end wall of the inserting plate; the first stay cord sets up in the sleeve plate and keeps away from the lateral wall of picture peg department, reserve between sleeve plate and the bracing piece and remove the space, remove the space and be used for supplying the sleeve plate to slide towards being close to the backup pad direction when the sleeve plate changes to being on a parallel with the reposition of redundant personnel board.
Through adopting above-mentioned technical scheme, after drive assembly drives the apron and changes to being on a parallel with first minute board, and before the slope of first minute board relative exhaust port length direction, can continue to draw the apron through first stay cord, the cover board slides towards keeping away from the direction that is close to the bracing piece this moment, reduces the removal space size between cover board and the bracing piece through extension apron length, reduces the impurity in the smoke and dust and piles up the possibility in above-mentioned removal space.
Preferably, the linkage components are arranged in one-to-one correspondence with the flow dividing plates, and each linkage component comprises a second stay cord, a driving sliding block, a linkage sliding block and a reset spring; one end of the second pull rope comprises two connecting ends, one connecting end is connected with the side wall of the first sub-plate, which is positioned at the moving gap, the other connecting end is connected with the side wall of the second sub-plate, one end of the second pull rope, which is far away from the connecting end, is connected with a linkage sliding block, one end of the linkage sliding block, which is far away from the second pull rope, is connected with a reset spring, and the other end of the linkage sliding block, which is far away from the second pull rope, is connected with the inside of a building;
the driving sliding block is fixedly sleeved on the side wall of the first pull rope, which is close to the rotating rod, a linkage groove for inserting the end part of the driving sliding block is formed in the side wall of the linkage sliding block, the telescopic direction of the reset spring is parallel to the moving direction of the driving sliding block, and the moving length of the linkage sliding block is exactly equal to the sliding length of the sleeve plate relative to the inserting plate.
Through adopting above-mentioned technical scheme, when the apron just changes to the state that is on a parallel with the splitter plate, the initiative slider tip inserts the linkage inslot just, continue to drive bull stick pulling first stay cord through drive assembly this moment, first stay cord pulling sleeve board, so that the sleeve board takes place to slide for the picture peg relatively, initiative slider drives the linkage slider and removes, reset spring contracts, the second stay cord pulls first minute board and second minute board under the pulling of linkage slider, so that first minute board and second minute board rotate, finally make first minute board and second minute board slope, and when second minute board and first minute board slope to laminating on the exhaust port inner wall, the sleeve board moves to being close to second stay cord department just, finally realize the slope of first minute board and second minute board.
Preferably, the peripheral wall of the sleeve plate far away from the splitter plate is provided with a sealing gasket, the sealing gasket close to the smoke outlet is attached to the inner wall of the smoke outlet, and the sealing gaskets on the sleeve plates close to the splitter plates are attached to each other.
Through adopting above-mentioned technical scheme, the leakproofness between apron and the laminating position of exhaust port inner wall, adjacent apron has been realized in the setting of sealed pad, reduces the heat exchange of indoor outer air.
Preferably, the air conditioner further comprises two-way fans which are arranged in one-to-one correspondence with the flow dividing plates, one ends of the two-way fans are communicated with the smoke outlets through pipelines, and the other ends of the two-way fans are communicated with the outside through pipelines.
Through adopting above-mentioned technical scheme, two-way fan can be when the apron lid closes in exhaust port department, carries indoor with outdoor air to indoor, also can carry indoor air to outdoor to realize the circulation of indoor outside air as required.
Preferably, the top wall of the inner wall of the building, which is close to the smoke outlet, is provided with a plurality of spray pipes, all the spray pipes are communicated with a water delivery pump together, and the inlet end of the water delivery pump is communicated with a water source through a pipeline; the spray pipe is located below the smoke outlet and circumferentially arranged along the smoke outlet, and the orifice of the spray pipe faces indoors.
Through adopting above-mentioned technical scheme, when the conflagration breaks out, the accessible starts the water pump and carries the water source to the shower in to discharge from shower mouth of pipe department, on the one hand can realize putting out a fire, on the other hand also can make the solid impurity of smuggleing secretly in the smoke and meet the water and sink, reduce and appear impurity along with the smoke and get into the exhaust port and attach to the exhaust port inner wall and the flow distribution plate lateral wall and then cause the circumstances that the exhaust port is local to block up together.
Preferably, the inner wall of the smoke outlet is provided with a photoelectric switch, the photoelectric switch is in communication connection with a controller, the water pump and the bidirectional fan are controlled by the controller to be used for controlling the water pump and the bidirectional fan to be started and stopped through the controller, and the photoelectric switch is used for sending photoelectric signals to the controller when detecting that the side wall of the splitter plate far away from the support rod is attached to the inner wall of the smoke outlet, so that the controller can control the water pump to start and convey water source to the spray pipe when receiving the photoelectric signals.
Through adopting above-mentioned technical scheme, when the second minute board changes to the lateral wall laminating in the exhaust port inner wall, demonstrate to be in the state of discharging fume this moment, then the controller will receive the photoelectric signal that comes from photoelectric switch and send to start the water pump and realize the shower water spray, realize automatic spraying.
In summary, the present application includes at least one of the following beneficial technical effects:
1. when the first torsion spring is not deformed, the cover plate covers the smoke outlet, and the smoke outlet is in a closed state, so that indoor and outdoor heat is isolated, and indoor and outdoor heat exchange is reduced; when smoke is required to be discharged, the driving assembly drives the rotating rod to rotate, the first pull rope moves under the pulling of the rotating rod, the cover plate rotates by taking the hinge point of the splitter plate and the cover plate as the center under the pulling force of the first pull rope, so that the cover plate rotates towards the direction close to the splitter plate, when the cover plate rotates to be parallel to the side wall of the splitter plate, the driving assembly is controlled to stop the rotation of the rotating rod, the smoke outlet is in an open state at the moment, smoke discharge is realized, after smoke discharge is completed, the driving assembly drives the rotating rod to rotate reversely, so that the first pull rope is released from the rotating rod, and at the moment, the cover plate drives the cover plate to reset under the torsion action of the first torsion spring, namely, the cover plate is covered at the smoke outlet again;
2. when needs are discharged fume, after the apron turns to being on a parallel with first minute board, drive first minute board and second minute board through the linkage subassembly and rotate, and make first minute board and second minute board keep away from the one end laminating of backup pad department in the exhaust port inner wall, first minute board and second minute board slope relative exhaust port length direction this moment, this structure can play the guide effect to the travel path of the smoke and dust that passes the exhaust port for the smoke and dust is concentrated and is discharged from the passageway between two minute boards in, and has enlarged the passageway size that can supply the smoke and dust to pass through between two minute boards.
Drawings
Fig. 1 is a cross-sectional view of a fire protection and smoke evacuation system for use in an embodiment when the smoke evacuation port is closed.
Fig. 2 is a cross-sectional view of the structure of fig. 1 for embodying the A-A direction.
Fig. 3 is a cross-sectional view of a corresponding fire protection and smoke evacuation system embodying the cover plate rotated parallel to the diverter plate in an embodiment.
Fig. 4 is a cross-sectional view of a fire-fighting smoke evacuation system according to an embodiment, in which the first and second sub-plates are attached to the inner wall of the smoke outlet.
Fig. 5 is a block diagram showing the connection relationship among the controller, the photoelectric switch and the water delivery pump in the embodiment.
Reference numerals illustrate: 1. a smoke outlet; 2. a fixing hole; 21. a fixing groove; 3. a diverter plate; 31. a support rod; 311. a guide hole; 312. a guide rod; 32. a first split plate; 33. a second division plate; 34. moving the gap; 4. a cover plate; 41. a sleeve plate; 411. a slot; 412. a sealing gasket; 42. inserting plate; 43. an extension spring; 5. a first pull rope; 6. a drive assembly; 61. a rotating rod; 62. a motor; 7. a linkage assembly; 71. a second pull rope; 72. a driving slide block; 73. a linkage slide block; 731. a linkage groove; 74. a return spring; 8. a controller; 81. an optoelectronic switch; 82. a water pump; 821. a shower pipe; 83. a two-way fan.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-5.
The embodiment of the application discloses a fire-fighting smoke exhaust system. Referring to fig. 1 and 2, the fire-fighting smoke exhaust system comprises splitter plates 3 symmetrically inserted into smoke exhaust ports 1 of a building, in this embodiment, the number of splitter plates 3 is 2, one end of each splitter plate 3 far away from indoor is symmetrically and rotatably connected with a cover plate 4, the cover plates 4 are symmetrically distributed on two sides of the corresponding splitter plate 3, and the cover plates 4 are used for opening and closing the smoke exhaust ports 1; in this embodiment, each flow dividing plate 3 corresponds to two cover plates 4, one end of each cover plate 4 facing the flow dividing plate 3 is rotationally connected to the flow dividing plate 3 through a rotating shaft, the rotating shaft is fixedly welded with the cover plates 4, a first torsion spring is sleeved outside each rotating shaft, one end of the first torsion spring is welded to the flow dividing plate 3, the other end of the first torsion spring is welded to the cover plates 4, when the first torsion spring is not deformed, the cover plates 4 are covered at the smoke outlet 1, and at this time, the smoke outlet 1 is in a closed state; the side wall of each cover plate 4 far away from the division plate 3 is also fixedly bound with a first stay cord 5, a driving assembly 6 is further arranged at the position of the building close to the smoke outlet 1, and the driving assembly 6 is used for driving the cover plates 4 to rotate relative to the division plate 3 by pulling or releasing the first stay cord 5, so that the smoke outlet 1 is opened.
Referring to fig. 1 and 2, the flow dividing plate 3 includes a support bar 31, a first division plate 32 and a second division plate 33, the support bar 31 is welded to the inner wall of the smoke outlet 1, and the axis of the support bar 31 is perpendicular to the height direction of the smoke outlet 1; the first sub-plate 32 is rotatably connected to one side of the supporting rod 31 far from the outdoor position through a rotating shaft, the second sub-plate 33 is rotatably connected to one side of the supporting rod 31 far from the indoor position through a rotating shaft, the outer parts of the two rotating shafts are sleeved with second torsion springs, the side walls of the first sub-plate 32 and the second sub-plate 33 are welded to one end of the corresponding second torsion spring, and the other end of the second torsion spring is welded to the side wall of the supporting rod 31; when the second torsion spring is not deformed, the first sub-plate 32 and the second sub-plate 33 are parallel to the height direction of the smoke outlet 1.
Referring to fig. 1, the cover plate 4 includes a sleeve plate 41, an inserting plate 42 and an extending spring 43, the side wall of the sleeve plate 41 is provided with a slot 411, the extending spring 43 is positioned in the slot 411, one end of the inserting plate 42 is inserted into the slot 411 and is welded with the end part of the extending spring 43, the other end of the extending spring 43 is welded on the inner wall of the slot 411, and one end of the inserting plate 42 away from the slot 411 is rotationally connected with the first sub-plate 32 through a rotating shaft; the first pull rope 5 is tied on the side wall of the sleeve plate 41, a sealing gasket 412 is fixedly adhered to the side wall of the sleeve plate 41 away from the first sub-plate 32 along the circumferential direction of the sleeve plate 41, the sealing gasket 412 is made of rubber, when the cover plate 4 is covered on the smoke outlet 1, the extension spring 43 is not deformed, and the sealing gasket 412 is adhered to the inner wall of the smoke outlet 1.
Referring to fig. 1 and 2, the driving assembly 6 is arranged in one-to-one correspondence with the splitter plate 3, the driving assembly 6 comprises a rotating rod 61 and a motor 62 for driving the rotating rod 61 to rotate, guide holes 311 are formed in each supporting rod 31 in a penetrating mode, fixing holes 2 are symmetrically formed in the inner wall of the building close to the smoke outlet 1, guide rods 312 are welded in the fixing holes 2 and the guide holes 311, all first pull ropes 5 on the same splitter plate 3 sequentially penetrate through the guide holes 311 and the fixing holes 2 and finally wind on the rotating rod 61, and the first pull ropes 5 bypass the guide rods 312 at corresponding positions in the process of penetrating through the guide holes 311 and the fixing holes 2.
Referring to fig. 2 and 3, the motor 62 is started to drive the rotating rod 61 to rotate, so that the first pull rope 5 is gradually wound on the rotating rod 61, at this time, the first pull rope 5 pulls the cover plate 4, the cover plate 4 rotates around the rotating shaft towards the direction close to the first sub-plate 32 until the cover plate 4 rotates to be parallel to the first sub-plate 32, at this time, the extension spring 43 is not deformed, the first torsion spring is deformed, the smoke outlet 1 is opened, and smoke discharging is realized; in addition, when the cover plate 4 is parallel to the first sub-plate 32 and the extension spring 43 is not deformed, a moving gap 34 is reserved between the sleeve plate 41 and the support rod 31, and the moving gap 34 is used for sliding the sleeve plate 41 relative to the insert plate 42.
Referring to fig. 2 and 3, the device further comprises a linkage assembly 7, wherein the linkage assembly 7 is arranged in one-to-one correspondence with the splitter plates 3, and the linkage assembly 7 is used for driving the first splitter plate 32 and the second splitter plate 33 to rotate relative to the support bar 31; the linkage assembly 7 includes a second pull rope 71, a driving slider 72, a linkage slider 73, and a return spring 74; the driving slide block 72, the linkage slide block 73 and the reset spring 74 are all located in the fixing hole 2, the driving slide block 72 is fixedly bound with the first pull rope 5, the fixing groove 21 is formed in the inner wall of the fixing hole 2 along the length direction of the driving slide block 72, the reset spring 74 is located in the fixing groove 21, the length direction of the reset spring 74 is parallel to the length direction of the fixing groove 21, one end of the linkage slide block 73 is inserted into the fixing groove 21 and welded with the end part of the reset spring 74, the linkage groove 731 is formed in the side wall of the other end of the linkage slide block 73, the linkage slide block 73 is located on the moving track of the driving slide block 72, and when the driving slide block 72 moves towards the direction close to the rotating rod 61 under the pulling of the first pull rope 5, the end part of the driving slide block 72 is inserted into the linkage groove 731 and drives the linkage slide groove to move along the length direction of the fixing groove 21.
Referring to fig. 2, 3 and 4, one end of the second pull rope 71 is located in the fixing hole 2 and is fixedly bound on the linkage sliding block 73, the other end of the second pull rope 71 comprises two connecting ends, one connecting end is fixedly bound on the side wall of the first sub-plate 32 near the supporting rod 31, the other connecting end is fixedly bound on the side wall of the second sub-plate 33 near the supporting rod 31, and the connecting ends are all located in the moving gap 34; when the cover plate 4 just turns to be parallel to the splitter plate 3 and the extension spring 43 is not deformed, the end part of the driving sliding block 72 is just inserted into the linkage groove 731, at this time, the driving assembly 6 continues to wind the first pull rope 5, the first pull rope 5 continues to pull the sleeve plate 41, at this time, the sleeve plate 41 slides relative to the plugboard 42, the linkage sliding block 73 slides under the driving of the driving sliding block 72, at this time, the reset spring 74 is deformed, the second pull rope 71 pulls the first splitter plate 32 and the second splitter plate 33 to rotate until the side wall of the first splitter plate 32 and the side wall of the second splitter plate 33 away from the supporting rod 31 are attached to the inner wall of the smoke outlet 1, the motor 62 is turned off, at this time, the sleeve plate 41 just moves to the connecting end; smoke generated from a fire will be discharged from the smoke outlet 1 intensively between the two flow dividing plates 3 under the guidance of the inclined first and second flow dividing plates 32 and 33, and the inclined arrangement of the first and second flow dividing plates 32 and 33 also enlarges the size of the space between the two flow dividing plates 3 through which the smoke passes.
Referring to fig. 1 and 5, a plurality of spray pipes 821 are inserted into the inner top wall of a building near the smoke outlet 1, the spray ends of the spray pipes 821 are positioned below the smoke outlet 1 and face indoors, all spray pipes 821 are communicated with a water delivery pump 82 together, and the inlet ends of the water delivery pumps 82 are communicated with a water source through pipelines; the photoelectric switch 81 is installed on the inner wall of the smoke outlet 1, the photoelectric switch 81 can be a correlation photoelectric switch 81, and the photoelectric switch 81 is installed on the inner wall of the smoke outlet 1 close to the second division plate 33, so as to be used for detecting whether the side wall of the second division plate 33 far away from the support rod 31 is attached to the inner wall of the smoke outlet 1.
Referring to fig. 1 and 5, the photoelectric switch 81 is electrically connected with the controller 8, the controller 8 may be a PLC controller, the controller 8 is electrically connected to the water pump 82, when the photoelectric switch 81 detects that one side of the second partition 33 far away from the support rod 31 is attached to the inner wall of the smoke outlet 1, a photoelectric signal is sent to the controller 8, and the controller 8 is used for starting the water pump 82 to convey the water source to the spray pipe 821 to spray when receiving the photoelectric signal, so as to realize fire extinguishing.
Referring to fig. 5, the inside of the building near the smoke outlet 1 is also symmetrically provided with a bidirectional fan 83, the bidirectional fan 83 and the splitter plate 3 are arranged in one-to-one correspondence, one end of the bidirectional fan 83 is communicated with the outside of the room through a pipeline, and the other end of the bidirectional fan 83 is communicated with the smoke outlet 1 through a pipeline, so that when the end of the smoke outlet 1 is closed, the ventilation of indoor and outdoor air is realized through the bidirectional fan 83.
The implementation principle of the fire-fighting smoke evacuation system in the embodiment of the application is as follows: a smoke sensor can be arranged on the inner wall of the building near the smoke outlet 1 in advance, the smoke sensor is in communication connection with the controller 8, and the motor 62 and the bidirectional fan 83 are also in communication connection with the controller 8; when the smoke sensor detects that the smoke concentration reaches a preset value, the controller 8 starts all motors 62 to drive the rotating rod 61 to rotate, so that the first pull rope 5 is wound on the rotating rod 61, the cover plate 4 rotates towards the direction close to the first sub-plate 32 under the pulling of the first pull rope 5 and is turned to be parallel to the first sub-plate 32, and at the moment, the smoke outlet 1 is opened to realize smoke discharge; and then, continuing to wind the first pull rope 5, the first pull rope 5 pulls the cover plate 4 to extend the cover plate 4, meanwhile, the driving slide block 72 drives the linkage slide block 73 to slide along the length direction of the fixed hole 2, the second pull rope 71 pulls the first sub-plate 32 and the second sub-plate 33 under the drive of the linkage slide block 73, so that the first sub-plate 32 and the second sub-plate 33 rotate relative to the support rod 31, when the side wall of the second sub-plate 33 far away from the support rod 31 is attached to the smoke outlet 1, the controller 8 receives a photoelectric signal sent by the photoelectric switch 81, and the controller 8 starts the water conveying pump 82 to input an external water source into the spray pipe 821 for spraying, so that fire extinguishing is realized.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (6)
1. A fire smoke evacuation system, characterized in that: the smoke exhaust device comprises flow dividing plates (3) symmetrically inserted into smoke exhaust ports (1), wherein one end, far away from a room, of each flow dividing plate (3) is symmetrically and rotationally connected with a cover plate (4), and the cover plates (4) are symmetrically distributed on two sides of the flow dividing plates (3); a first torsion spring is arranged at the rotation connection part of each cover plate (4) and the flow dividing plate (3), one end of the first torsion spring is connected with the flow dividing plate (3), the other end of the first torsion spring is connected with the cover plates (4), and the cover plates (4) are used for covering the opening part of the smoke exhaust port (1) when the first torsion spring is not deformed; the side wall of each cover plate (4) far away from the splitter plate (3) is provided with a first stay cord (5), and the cover plate further comprises a driving assembly (6), wherein the driving assembly (6) is used for driving the cover plates (4) to rotate relative to the splitter plate (3) by pulling or releasing the first stay cord (5);
the driving assemblies (6) are arranged in one-to-one correspondence with the flow dividing plates (3), and each driving assembly (6) comprises a rotating rod (61) and a motor (62) for driving the rotating rod (61) to rotate; the inner wall of the building, which is close to the smoke outlet (1), is provided with a fixed hole (2) for the first stay rope (5) to pass through, the splitter plate (3) is provided with a guide hole (311) for the corresponding first stay rope (5) to pass through, the inner wall of the guide hole (311) and the inner wall of the fixed hole (2) are both provided with guide rods (312), and all the first stay ropes (5) belonging to the same splitter plate (3) sequentially bypass the guide rods (312) in the guide hole (311) and the guide rods (312) in the fixed hole (2) and are connected to the corresponding rotating rods (61);
each flow dividing plate (3) comprises a supporting rod (31), a first dividing plate (32) and a second dividing plate (33); the guide holes (311) are positioned on the support rods (31), the first sub-plates (32) and the second sub-plates (33) are symmetrically and rotationally connected to the outer sides of the support rods (31), and the cover plate (4) is rotationally connected to one end of the first sub-plates (32) far away from the support rods (31); the first torsion springs are arranged at the rotary connection part of the first sub plate (32) and the supporting rod (31) and the rotary connection part of the second sub plate (33) and the supporting rod (31), the first sub plate (32) and the second sub plate (33) are connected to one end of the corresponding second torsion spring, the other end of the second torsion spring is connected to the side wall of the supporting rod (31), and the linkage assembly (7) is used for driving the first sub plate (32) and the second sub plate (33) to rotate relative to the supporting rod (31);
the linkage assemblies (7) are arranged in one-to-one correspondence with the flow distribution plates (3), and the linkage assemblies (7) comprise second stay ropes (71), driving sliding blocks (72), linkage sliding blocks (73) and reset springs (74); one end of the second pull rope (71) comprises two connecting ends, one connecting end is connected to the side wall of the first sub plate (32) at the position of the moving gap (34), the other connecting end is connected to the side wall of the second sub plate (33), one end of the second pull rope (71) away from the connecting end is connected to the linkage sliding block (73), one end of the linkage sliding block (73) away from the second pull rope (71) is connected to the reset spring (74), and the other end of the reset spring (74) away from the other end is connected to the interior of the building;
the driving sliding block (72) is fixedly sleeved on the side wall of the first pull rope (5) close to the rotating rod (61), a linkage groove (731) for inserting the end part of the driving sliding block (72) is formed in the side wall of the linkage sliding block (73), the telescopic direction of the reset spring (74) is parallel to the moving direction of the driving sliding block (72), and the moving length of the linkage sliding block (73) is exactly equal to the sliding length of the sleeve plate (41) relative to the inserting plate (42).
2. The fire protection and smoke evacuation system according to claim 1, wherein: each cover plate (4) comprises a sleeve plate (41), an inserting plate (42) and an extending spring (43), a slot (411) for inserting the inserting plate (42) and the extending spring (43) is formed in the end wall of the sleeve plate (41) close to the inserting plate (42), one end of the inserting plate (42) is inserted into the slot (411) and connected to the end part of the extending spring (43), the other end of the inserting plate (42) is rotationally connected with the distributing plate (3), and one end of the first torsion spring far away from the distributing plate (3) is connected to the end wall of the inserting plate (42); the first stay cord (5) is arranged on the side wall of the sleeve plate (41) away from the inserting plate (42), a moving gap (34) is reserved between the sleeve plate (41) and the supporting rod (31), and the moving gap (34) is used for enabling the sleeve plate (41) to slide towards the direction close to the supporting plate when the sleeve plate (41) rotates to be parallel to the distributing plate (3).
3. The fire-fighting smoke evacuation system according to claim 2, wherein the peripheral wall of the sleeve plate (41) far away from the splitter plate (3) is provided with a sealing gasket (412), the sealing gasket (412) near the smoke outlet (1) is attached to the inner wall of the smoke outlet (1), and the sealing gaskets (412) on the sleeve plates (41) near the adjacent splitter plates (3) are attached to each other.
4. The fire protection and smoke evacuation system according to claim 1, wherein: the two-way fan (83) is arranged in one-to-one correspondence with the flow dividing plate (3), one end of the two-way fan (83) is communicated with the smoke outlet (1) through a pipeline, and the other end of the two-way fan (83) is communicated with the outside through a pipeline.
5. The fire protection and smoke evacuation system according to claim 4, wherein: a plurality of spray pipes (821) are arranged on the top wall of the inner wall of the building, which is close to the smoke outlet (1), all the spray pipes (821) are communicated with a water delivery pump (82), and the inlet end of the water delivery pump (82) is communicated with a water source through a pipeline; the spray pipe (821) is located below the smoke outlet (1) and circumferentially arranged along the smoke outlet (1), and the pipe orifice of the spray pipe (821) faces indoors.
6. The fire protection and smoke evacuation system according to claim 5, wherein: the inner wall of the smoke outlet (1) is provided with a photoelectric switch (81), the photoelectric switch (81) is in communication connection with a controller (8), a water delivery pump (82) and a bidirectional fan (83) are controlled by the controller (8) to be used for controlling the opening and closing of the water delivery pump (82) and the bidirectional fan (83) through the controller (8), and the photoelectric switch (81) is used for sending photoelectric signals to the controller (8) when detecting that the side wall of the splitter plate (3) far away from the supporting rod (31) is attached to the inner wall of the smoke outlet (1), so that the controller (8) can control the water delivery pump (82) to start and convey a water source to the spray pipe (821) when receiving the photoelectric signals.
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| CN202210262566.6A CN114576769B (en) | 2022-03-17 | 2022-03-17 | Fire control smoke exhaust system |
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| CN202210262566.6A CN114576769B (en) | 2022-03-17 | 2022-03-17 | Fire control smoke exhaust system |
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| CN114576769B true CN114576769B (en) | 2023-12-19 |
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|---|---|---|---|---|
| JPH05322245A (en) * | 1991-10-14 | 1993-12-07 | Mitsuo Sakamoto | Smoke and heat discharging device on rooftop |
| KR101288820B1 (en) * | 2012-02-10 | 2013-07-23 | 강원모 | Smoke control damper system of building |
| CN109529222A (en) * | 2018-11-14 | 2019-03-29 | 董佑军 | A kind of fire architecture environmental protecting device for slewing smoke evacuation mist |
| CN112146223A (en) * | 2020-09-25 | 2020-12-29 | 陈佳佳 | Air filtering mechanism of fresh air system |
| CN213713364U (en) * | 2020-11-13 | 2021-07-16 | 江苏中大空调设备有限公司 | Plate type smoke exhaust port |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT388437B (en) * | 1987-03-16 | 1989-06-26 | Landfrisch Eier Und Gefluegelv | Ventilation device, in particular for large rooms and stalls |
| CN111659566B (en) * | 2020-06-16 | 2021-07-23 | 合肥工业大学 | Rope traction type polishing, cleaning and coating integrated operation robot |
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2022
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05322245A (en) * | 1991-10-14 | 1993-12-07 | Mitsuo Sakamoto | Smoke and heat discharging device on rooftop |
| KR101288820B1 (en) * | 2012-02-10 | 2013-07-23 | 강원모 | Smoke control damper system of building |
| CN109529222A (en) * | 2018-11-14 | 2019-03-29 | 董佑军 | A kind of fire architecture environmental protecting device for slewing smoke evacuation mist |
| CN112146223A (en) * | 2020-09-25 | 2020-12-29 | 陈佳佳 | Air filtering mechanism of fresh air system |
| CN213713364U (en) * | 2020-11-13 | 2021-07-16 | 江苏中大空调设备有限公司 | Plate type smoke exhaust port |
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| Publication number | Publication date |
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| CN114576769A (en) | 2022-06-03 |
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