CN114370419A - Fire early warning fan for subway station tunnel - Google Patents

Fire early warning fan for subway station tunnel Download PDF

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Publication number
CN114370419A
CN114370419A CN202210281187.1A CN202210281187A CN114370419A CN 114370419 A CN114370419 A CN 114370419A CN 202210281187 A CN202210281187 A CN 202210281187A CN 114370419 A CN114370419 A CN 114370419A
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CN
China
Prior art keywords
pipeline
air inlet
fixedly connected
air
exhaust
Prior art date
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Granted
Application number
CN202210281187.1A
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Chinese (zh)
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CN114370419B (en
Inventor
骆晓
何健
刘稳
左传文
宋旭刚
郭新伟
陆升
骆翔翔
刘国彦
崔凯
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Electric Engineering Co Ltd of China Railway First Engineering Group Co Ltd
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Electric Engineering Co Ltd of China Railway First Engineering Group Co Ltd
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Application filed by Electric Engineering Co Ltd of China Railway First Engineering Group Co Ltd filed Critical Electric Engineering Co Ltd of China Railway First Engineering Group Co Ltd
Priority to CN202210281187.1A priority Critical patent/CN114370419B/en
Publication of CN114370419A publication Critical patent/CN114370419A/en
Application granted granted Critical
Publication of CN114370419B publication Critical patent/CN114370419B/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
    • 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
    • A62C31/05—Nozzles specially adapted for fire-extinguishing with two or more outlets
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C37/00—Control of fire-fighting equipment
    • A62C37/08—Control of fire-fighting equipment comprising an outlet device containing a sensor, or itself being the sensor, i.e. self-contained sprinklers
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
    • E21F1/003—Ventilation of traffic tunnels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
    • F04D27/001—Testing thereof; Determination or simulation of flow characteristics; Stall or surge detection, e.g. condition monitoring
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/52—Casings; Connections of working fluid for axial pumps
    • F04D29/522—Casings; Connections of working fluid for axial pumps especially adapted for elastic fluid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/60—Mounting; Assembling; Disassembling
    • F04D29/64—Mounting; Assembling; Disassembling of axial pumps
    • F04D29/644—Mounting; Assembling; Disassembling of axial pumps especially adapted for elastic fluid pumps
    • F04D29/646—Mounting or removal of fans
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
    • F04D29/701—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps
    • F04D29/703—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps specially for fans, e.g. fan guards

Abstract

The application discloses a fire early warning fan for a subway station tunnel, which comprises an air inlet mechanism, an air exhaust mechanism, a temperature detection assembly and two fire extinguishing assemblies; the input end of the air inlet mechanism and the output end of the air exhaust mechanism are respectively communicated with the outside of the tunnel, and the output end of the air inlet mechanism and the input end of the air exhaust mechanism are both positioned in the tunnel; the temperature detection assembly is arranged between the air inlet mechanism and the air exhaust mechanism, is respectively connected with the two fire extinguishing assemblies, and can control the two fire extinguishing assemblies to act so as to extinguish fire; two fire extinguishing assemblies are respectively arranged at the outer sides of the air inlet mechanism and the air exhaust mechanism. This application has realized admitting air in the tunnel and exhausting independent operation, carries out rapid processing to the heat and the dust that produce among the train operation process, can catch the temperature rise point fast simultaneously, in time put out the fire point, the purpose that the effective control conflagration took place.

Description

Fire early warning fan for subway station tunnel
Technical Field
The application relates to the technical field of tunnel ventilation equipment, in particular to a fire early warning fan for a subway station tunnel.
Background
The subway is a rapid, large-traffic and electric power traction rail transit built in cities. The train runs on a totally closed line, the line located in a central urban area is basically arranged in an underground tunnel, the line outside the central urban area is generally arranged on a viaduct or the ground, the subway is an urban rail transit system which covers various underground and ground road rights of the urban area and has high density and high traffic volume, the subway in the taiwan area is called 'express transport', and comprises an overhead railway or a railway laid on a road surface besides the underground railway, so the subway is the exclusive and non-level crossing of the road rights, the subway is a fundamental sign of distinguishing the subway from a light rail transit system, and the earliest (the first) subway in the world is a metropolitan subway of the london in the United kingdom and is built in 1863 years.
The subway tunnel is mostly built underground for reducing the occupation of ground surface land, because a train runs, a wheel body is in contact with a rail, air in the tunnel is impacted by a train body to generate high-intensity friction, the air and the friction can generate high heat and lift dust simultaneously, and then ventilation needs to be carried out in the tunnel for reducing heat accumulation.
Disclosure of Invention
The utility model provides a fire early warning fan is used in subway station tunnel, the fan adopts the single tube exhaust and admits air in having solved among the prior art tunnel, make the unable rapid processing of heat and the dust that the train frequent operation produced, and then cause pile up and easily cause the technical problem that the conflagration appears in the spontaneous combustion in the tunnel, admit air and exhaust independent operation in the tunnel have been realized, heat and dust to the production of train operation in-process carry out rapid processing, can catch the temperature rise point fast simultaneously, in time put out the ignition, the purpose that the effective control conflagration took place.
The application provides a fire early warning fan for a subway station tunnel, which comprises an air inlet mechanism, an air exhaust mechanism, a temperature detection assembly and two fire extinguishing assemblies; the input end of the air inlet mechanism and the output end of the air exhaust mechanism are respectively communicated with the outside of the tunnel, and the output end of the air inlet mechanism and the input end of the air exhaust mechanism are both positioned in the tunnel; the temperature detection assembly is arranged between the air inlet mechanism and the air exhaust mechanism, is respectively connected with the two fire extinguishing assemblies, and can control the two fire extinguishing assemblies to act so as to extinguish fire; and the two fire extinguishing assemblies are respectively arranged at the outer sides of the air inlet mechanism and the air exhaust mechanism.
In one possible implementation manner, the air intake mechanism comprises an air intake duct, a first driving part, an air suction fan blade and a first supporting piece; the input end of the air inlet pipeline is communicated with the outside of the tunnel, and the output end of the air inlet pipeline is positioned in the tunnel; the first supporting piece is fixedly connected to the inner wall of the input end of the air inlet pipeline; the machine body of the first driving part is fixedly connected with the first supporting part; the air suction fan blade is fixedly connected to the output end of the first driving part and can be driven by the first driving part to rotate.
In one possible implementation, the first support comprises a first inner tab; the machine body of the first driving part penetrates through the first inner connecting plate and is fixedly connected with the first inner connecting plate; the first inner connecting plate is fixedly connected to the inner wall of the input end of the air inlet pipeline; the first internal connecting plate is provided with a plurality of first ventilation holes.
In one possible implementation, the exhaust mechanism includes an exhaust duct, a second driving part, an exhaust fan blade, and a second support; the output end of the exhaust pipeline is communicated with the outside of the tunnel, and the input end of the exhaust pipeline is positioned in the tunnel; the second supporting piece is fixedly connected to the inner wall of the output end of the exhaust pipeline; the machine body of the second driving part is fixedly connected to the second supporting part; the exhaust fan blade is fixedly connected to the output end of the second driving part and can be driven by the second driving part to rotate.
In one possible implementation, the second support comprises a second inner tab; the machine body of the second driving part penetrates through the second inner connecting plate and is fixedly connected with the second inner connecting plate; the second internal connecting plate is fixedly connected to the inner wall of the output end of the exhaust pipeline; the second inner connecting plate is provided with a plurality of second ventilation holes.
In one possible implementation, the temperature detection assembly includes a controller and a plurality of temperature sensors; the controller is fixedly connected between the air inlet pipeline and the air outlet pipeline; the temperature sensors are embedded in the controller and are electrically connected with the fire extinguishing assembly.
In one possible implementation, the fire extinguishing assembly comprises an external casing, a through ring box and a plurality of groups of spray guns; the two through ring boxes are respectively sleeved on the outer walls of the air inlet pipeline and the air outlet pipeline; the two external sleeves are respectively sleeved outside the two through ring boxes; the multiple groups of spray gun annular arrays are arranged on the outer wall of the external sleeve and penetrate through the external sleeve; two it has the input pipeline to link up between the ring case, it deviates from to link up the ring case the tip intercommunication of input pipeline has a plurality of output pipeline, be provided with the external joint on the input pipeline, be provided with a plurality of joint pipelines on the output pipeline, the spray gun with the joint pipeline intercommunication.
In a possible implementation manner, the fire early warning fan for the subway station tunnel further comprises a first sliding ring and a filter screen; the first sliding ring is arranged on the inner wall of the output end of the exhaust pipeline and is in sliding connection with the inner wall of the exhaust pipeline; the filter screen is fixedly connected to the inner wall of the first sliding ring.
In a possible implementation manner, the fire early warning fan for the subway station tunnel further comprises a second sliding ring and an activated carbon plate; the second sliding ring is arranged on the inner wall of the output end of the exhaust pipeline and is in sliding connection with the inner wall of the exhaust pipeline, and the second sliding ring is positioned on the outer side of the first sliding ring; the active carbon plate is fixedly connected to the inner wall of the second sliding ring.
In a possible implementation manner, the fire early warning fan for the subway station tunnel further comprises two sealing rubber strips and two slotted baffles; the two slotted baffles and the two sealing rubber strips are respectively and fixedly connected to the output end of the air inlet pipeline and the input end of the air exhaust pipeline.
One or more technical solutions provided in the present application have at least the following technical effects or advantages:
the fire extinguishing device is provided with an air inlet mechanism, an air exhaust mechanism, a temperature detection assembly and two fire extinguishing assemblies; the input end of the air inlet mechanism and the output end of the air exhaust mechanism are respectively communicated with the outside of the tunnel, the output end of the air inlet mechanism and the input end of the air exhaust mechanism are both positioned in the tunnel, air outside the tunnel is quickly sucked into the tunnel through the air inlet mechanism, meanwhile, mixed gas and heat in the tunnel are quickly extracted and exhausted out of the tunnel through the air exhaust mechanism, the mode of independent operation of air inlet and air exhaust is adopted, the cubic content of fresh air entering the tunnel is effectively increased, and meanwhile, the quick emission of heat and dust generated in the running process of a train is accelerated; set up the temperature detection subassembly between air inlet mechanism and exhaust mechanism to be connected with two subassembly of putting out a fire respectively, set up two subassembly of putting out a fire respectively in the outside of air inlet mechanism and exhaust mechanism at last, can catch temperature rise point in the tunnel fast, when the naked light appears, through two subassembly actions of putting out a fire of temperature detection control and realize putting out a fire fast. The air blower in the tunnel effectively solves the technical problems that in the prior art, a single tube is adopted for exhausting and air inlet, heat and dust generated by frequent operation of a train cannot be rapidly processed, further, the technical problem that spontaneous combustion is accumulated and easily caused in the tunnel to cause fire disasters is solved, air inlet and exhaust independent operation in the tunnel is realized, heat and dust generated in the operation process of the train are rapidly processed, meanwhile, a temperature rise point can be rapidly captured, a fire point is timely extinguished, and the technical effect of fire disasters is effectively controlled.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments of the present invention or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is an axonometric view I of a fire early warning fan for a tunnel of a subway station provided in an embodiment of the present application;
FIG. 2 is an enlarged view of a portion of area A of FIG. 1;
fig. 3 is an axonometric view II of a fire early warning fan for a tunnel of a subway station according to an embodiment of the present application;
FIG. 4 is an enlarged view of a portion of the area B in FIG. 3;
fig. 5 is an axonometric view III of a fire early warning fan for a tunnel of a subway station provided in the embodiment of the present application;
FIG. 6 is an enlarged view of a portion of region C of FIG. 5;
FIG. 7 is an enlarged view of a portion of region D of FIG. 5;
fig. 8 is an axonometric view IV of a fire early warning fan for a tunnel of a subway station according to an embodiment of the present application;
fig. 9 is a partial enlarged view of the region E in fig. 8.
Reference numerals: 1-an air inlet mechanism; 11-an air inlet pipeline; 12-a first drive; 13-suction fan blades; 14-a first support; 141-a first internal connection plate; 142-a first ventilation hole; 143-a first metal ring; 2-an air exhaust mechanism; 21-an exhaust duct; 22-a second drive; 23-row of fan blades; 24-a second support; 241-a second inner joint plate; 242-a second ventilation hole; 243-a second metal ring; 25-a slide; 3-a temperature detection component; 31-a controller; 311-mounting holes; 312-a protective housing; 32-a temperature sensor; 33-information line; 4-a fire extinguishing assembly; 41-external sleeve; 42-through ring box; 43-a spray gun; 44-input line; 45-output line; 46-an external joint; 47-connecting line; 5-a first slip ring; 51-a filter screen; 52-a first slide; 6-a second slip ring; 61-an activated carbon plate; 62-a second slide; 7-sealing rubber strips; 8-slotted baffle.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the embodiments of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the referred devices or elements must have specific orientations, be configured in specific orientations, and operate, and thus, should not be construed as limiting the present invention. The terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. Specific meanings of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.
Referring to fig. 1, the fire early warning fan for the subway station tunnel provided by the embodiment of the application comprises an air inlet mechanism 1, an air exhaust mechanism 2, a temperature detection assembly 3 and two fire extinguishing assemblies 4; the input end of the air inlet mechanism 1 and the output end of the air exhaust mechanism 2 are respectively communicated with the outside of the tunnel, and the output end of the air inlet mechanism 1 and the input end of the air exhaust mechanism 2 are both positioned in the tunnel; the temperature detection assembly 3 is arranged between the air inlet mechanism 1 and the air exhaust mechanism 2, is respectively connected with the two fire extinguishing assemblies 4, and can control the two fire extinguishing assemblies 4 to act so as to extinguish fire; the two fire extinguishing components 4 are respectively arranged at the outer sides of the air inlet mechanism 1 and the air exhaust mechanism 2. In the embodiment of the application, the air inlet mechanism 1 and the air exhaust mechanism 2 operate independently, fresh air outside the tunnel is quickly extracted into the tunnel through the air inlet mechanism 1, and meanwhile, mixed gas, heat and dust in the tunnel are quickly extracted and exhausted out of the tunnel through the air exhaust mechanism 2; carry out real-time supervision through temperature detect module 3 to the temperature rise point in the tunnel, when appearing ignition or naked light in the tunnel, temperature detect module 3 control fire extinguishing assembly 4 moves, will ignite through two fire extinguishing assembly 4 finally and put out a fire or the naked light is put out fast, and the emergence of the conflagration of the unable control cause behind the conflagration to stretch, effective control conflagration is avoided appearing.
Referring to fig. 1, 3 and 4, the air intake mechanism 1 includes an air intake duct 11, a first driving portion 12, a suction fan blade 13 and a first support member 14; the input end of the air inlet pipeline 11 is communicated with the outside of the tunnel, and the output end of the air inlet pipeline 11 is positioned in the tunnel; the first supporting piece 14 is fixedly connected to the inner wall of the input end of the air inlet pipeline 11; the body of the first driving portion 12 is fixedly connected to the first supporting member 14; the suction fan blade 13 is fixedly connected to the output end of the first driving portion 12, and can be driven by the first driving portion 12 to rotate. In the embodiment of the present application, the servo motor is selected for use in the first driving portion 12, the first transmission rod is fixedly connected to the output end of the servo motor, the outer wall of the first transmission rod is sleeved at the center of the suction fan blade 13, the machine body of the servo motor is fixedly connected to the first supporting member 14, thereby finally driving the suction fan blade 13 to rotate by controlling the servo motor, and the fresh air outside the tunnel is rapidly sucked into the air inlet pipeline 11.
Referring to fig. 4, the first support 14 includes a first inner joint plate 141; the body of the first driving part 12 penetrates the first inner connection plate 141 and is fixedly connected with the first inner connection plate 141; the first inner connecting plate 141 is fixedly connected to the inner wall of the input end of the air inlet pipeline 11; the first inner connecting plate 141 is provided with a plurality of first ventilation holes 142. In the embodiment of the present application, a through hole penetrates through the center of the first internal connection plate 141, a first metal ring 143 is fixedly sleeved on the inner wall of the through hole, the body of the first driving portion 12 is inserted into the first metal ring 143 and is fixedly connected with the inner wall of the first metal ring 143, the diameters of the first ventilation holes 142 are equal, and the plurality of first ventilation holes 142 are distributed on the first internal connection plate 141 at equal intervals; in the embodiment of the present application, the first supporting member 14 may also be a frame, the outer wall of the frame is fixedly connected to the inner wall of the input end of the air inlet duct 11, the body of the first driving portion 12 is fixedly connected to the frame, and the fresh air can be sucked into the air inlet duct 11, and the first supporting member 14 is not limited to the first inner connecting plate 141, but may also be other supporting members.
Referring to fig. 1, 5 and 6, the exhaust mechanism 2 includes an exhaust duct 21, a second driving part 22, an exhaust fan blade 23 and a second support 24; the output end of the exhaust duct 21 is communicated with the outside of the tunnel, and the input end of the exhaust duct 21 is positioned in the tunnel; the second supporting member 24 is fixedly connected to the inner wall of the output end of the exhaust duct 21; the body of the second driving part 22 is fixedly connected to the second supporting part 24; the exhaust fan blade 23 is fixedly connected to the output end of the second driving portion 22, and can be driven by the second driving portion 22 to rotate. In the embodiment of the present application, the second driving portion 22 selects a servo motor, the second transmission rod is fixedly connected to the output end of the servo motor, the center of the exhaust fan blade 23 is sleeved on the outer wall of the second transmission rod, the body of the servo motor is fixedly connected to the second supporting member 24, thereby finally driving the exhaust fan blade 23 to rotate by controlling the servo motor, and the mixed gas, heat and dust inside the tunnel are rapidly sucked into the exhaust duct 21 for processing.
Referring to fig. 6, the second support 24 includes a second inner joint plate 241; the body of the second driving part 22 penetrates the second inner connection plate 241 and is fixedly connected with the second inner connection plate 241; the second internal connection plate 241 is fixedly connected to the inner wall of the output end of the exhaust duct 21; the second inner connecting plate 241 is provided with a plurality of second ventilation holes 242. In the embodiment of the present application, a through hole penetrates through the center of the second internal connection plate 241, a second metal ring 243 is fixedly sleeved on the inner wall of the through hole, the body of the second driving portion 22 is inserted into the second metal ring 243 and is fixedly connected with the inner wall of the second metal ring 243, the diameter of each second ventilation hole 242 is equal, and the plurality of second ventilation holes 242 are distributed on the second internal connection plate 241 at equal intervals; in the embodiment of the present application, the second supporting member 24 may also be a frame, the outer wall of the frame is fixedly connected to the inner wall of the output end of the exhaust duct 21, the body of the second driving portion 22 is fixedly connected to the frame, and the mixed gas, heat and dust in the tunnel can be pumped into the exhaust duct 21, and the second supporting member 24 is not limited to the second inner connecting plate 241 and may also be other supporting members.
Referring to fig. 1-2, the temperature sensing assembly 3 includes a controller 31 and a plurality of temperature sensors 32; the controller 31 is fixedly connected between the air inlet pipeline 11 and the air outlet pipeline 21; the temperature sensors 32 are embedded in the controller 31 and electrically connected to the fire extinguishing unit 4. In the embodiment of the present application, the outer wall of the controller 31 is fixedly connected between the outer walls of the air intake duct 11 and the air exhaust duct 21, a plurality of mounting holes 311 are formed in the front surface of the controller 31, the inner walls of the mounting holes 311 are fixedly inserted with the protective housings 312, the plurality of temperature sensors 32 are respectively embedded inside the plurality of protective housings 312, the wiring end of the controller 31 is fixedly connected with two information lines 33, and the information access ends of the two information lines 33 are respectively connected with the flat cable ends of the two fire extinguishing assemblies 4, so as to control the fire extinguishing assemblies 4 to perform fire extinguishing actions.
Referring to fig. 1, 3, 7-9, fire suppression assembly 4 includes an external casing 41, a pass-through ring box 42, and a plurality of sets of lances 43; the two through ring boxes 42 are respectively sleeved on the outer walls of the air inlet pipeline 11 and the air outlet pipeline 21; the two external sleeves 41 are respectively sleeved outside the two through ring boxes 42; the multiple groups of spray guns 43 are arranged on the outer wall of the external casing 41 in an annular array and penetrate through the external casing 41; an input pipeline 44 is communicated between the two through ring boxes 42, a plurality of output pipelines 45 are communicated with the end parts, away from the input pipeline 44, of the through ring boxes 42, external joints 46 are arranged on the input pipeline 44, a plurality of joint pipelines 47 are arranged on the output pipelines 45, and the spray guns 43 are communicated with the joint pipelines 47. In the embodiment of the present application, the plurality of output pipelines 45 are located inside the external casing 41 and outside the air intake duct 11 or the air exhaust duct 21, the input end of each spray gun 43 is communicated with a connector pipeline 47, the internal of the external casing 41 is provided with a cable end, the information line 33 is connected with the cable end, each spray gun 43 is also connected with the cable end, when an open fire occurs in the tunnel, the temperature sensor 32 captures an open fire signal, and then the spray guns 43 are controlled by the controller 31 to perform a water spraying operation, water is stored in the through ring box 42, and simultaneously, a water source is input to the input pipeline 44 through the external connector 46, and then enters the two through ring boxes 42, and when water is sprayed, the water in the through ring box 42 is dispersed from the output pipelines 45 to the connector pipelines 47 and finally sprayed from the spray guns 43.
Referring to fig. 6, the fire early warning fan for the subway station tunnel according to the embodiment of the present disclosure further includes a first slip ring 5 and a filter screen 51; the first sliding ring 5 is arranged on the inner wall of the output end of the exhaust duct 21 and is in sliding connection with the inner wall of the exhaust duct 21; the filter screen 51 is fixedly attached to the inner wall of the first slip ring 5. In the embodiment of the present application, a plurality of slides 25 have been seted up at the inner wall of exhaust pipe 21's output, a plurality of first sliders 52 of the radial outer wall fixedly connected with of first slip ring 5, a plurality of first sliders 52 are sliding connection respectively in a plurality of slides 25, the inscription annular has been seted up to first slip ring 5's inner wall, filter screen 51 is pegged graft in this inscription annular, through setting up first slip ring 5 and filter screen 51, inhale exhaust pipe 21's inside with the mist after, contact filter screen 51 and screen out dust grains of sand, cause the pollution to external environment when avoiding discharging, through setting up first slip ring 5 and exhaust pipe 21 inner wall sliding connection, after using for a period for a long time, conveniently demolish first slip ring 5 and filter screen 51 from exhaust pipe 21 and clear up.
Referring to fig. 6, the fire early warning fan for the subway station tunnel according to the embodiment of the present disclosure further includes a second slip ring 6 and an activated carbon plate 61; the second sliding ring 6 is arranged on the inner wall of the output end of the exhaust duct 21 and is in sliding connection with the inner wall of the exhaust duct 21, and the second sliding ring 6 is positioned on the outer side of the first sliding ring 5; the activated carbon plate 61 is fixedly attached to the inner wall of the second slip ring 6. In the embodiment of the present application, a plurality of second sliders 62 are fixedly connected to the radial outer wall of the second slip ring 6, the second sliders 62 are respectively slidably connected to the plurality of slideways 25, an inner connection ring groove is also formed in the inner wall of the second slip ring 6, the activated carbon plate 61 is inserted into the inner connection ring groove, the second slip ring 6 and the activated carbon plate 61 are arranged, mixed gas is sucked into the exhaust pipeline 21, dust sand grains are screened out by contacting the filter screen 51 first, then odorous gas mixed with the mixed gas is adsorbed by contacting the activated carbon plate 61, and finally the mixed gas is exhausted into the outside air, so that pollution to the environment in the area caused by foul air is effectively prevented, after the second slip ring 6 and the activated carbon plate 61 are used for a long time, the second slip ring 6 and the activated carbon plate 61 are conveniently detached from the exhaust pipeline 21 for cleaning and replacement.
Referring to fig. 1-2, the fire early warning fan for the subway station tunnel provided by the embodiment of the application further comprises two sealing rubber strips 7 and two slotted baffles 8; two slotted baffles 8 and two sealing rubber strips 7 are respectively and fixedly connected with the output end of the air inlet pipeline 11 and the input end of the air outlet pipeline 21. Set up joint strip 7 and fluting baffle 8 in this application embodiment, increase the leakproofness of intake stack 11 and exhaust duct 21 inner wall for the intraductal air inlet of intake stack 11 and the intraductal air outlet of exhaust duct 21 can be collected and discharge effectively.
The working principle of the fire early warning fan for the subway station tunnel provided by the embodiment of the application is as follows:
the integral fan adopts a side-mounting method, is mounted on two sides of a wall body through a supporting structure, replaces most of the prior art and is fixed at the top of a tunnel, reduces the gravity borne by the top of the tunnel, when the device runs, a first driving part 12 in a first internal connecting plate 141 and a second driving part 22 in a second internal connecting plate 241 are started, and further drives a suction fan blade 13 and an exhaust fan blade 23 to rotate, wherein the suction fan blade 13 generates inward suction force and quickly absorbs outside air, fresh air is sucked into an air inlet pipeline 11 and finally exhausted into the tunnel from a slotted baffle 8 at the output end of the air inlet pipeline 11, when the exhaust fan blade 23 rotates, redundant air in an exhaust pipeline 21 is firstly extracted, the negative pressure value in the exhaust pipeline 21 is increased, so that the input end of the exhaust pipeline 21 quickly extracts mixed gas in the tunnel and takes away the heat doped in the mixed gas, when the mixed gas reaches the output end of the exhaust duct 21, the mixed gas contacts with the filter screen 51 to screen sand grains in the mixed gas, then contacts with the activated carbon plate 61 to adsorb pungent smell generated by high temperature of contact between a train and a rail, after the mixed gas is used for a period of time, the first sliding ring 5 and the second sliding ring 6 are pulled to ensure that the first sliding block 52 and the second sliding block 62 on the first sliding ring are separated from the inside of the slideway 25, the filter screen 51 in the first sliding ring 5 and the activated carbon plate 61 in the second sliding ring 6 are maintained and cleaned, when open fire exists in a tunnel, the mixed gas is captured by the temperature sensor 32 in the protective shell 312 and quickly transmits a capture signal into the controller 31, after the treatment, the spray gun 43 on the external sleeve 41 is controlled by the information wire 33 to perform water spraying operation, a water source supplied in the spray gun 43 firstly guides water flow into the input pipeline 44 through the external connector 46, then the water flow is respectively conducted into the two through ring boxes 42 through the input pipeline 44, then is transported through the output pipeline 45, then reaches each joint pipeline 47, finally enters the spray gun 43 to spray water, and finally the open fire is extinguished.
The embodiments in the present specification are described in a progressive manner, and the same or similar parts among the embodiments may be referred to each other, and each embodiment focuses on the differences from the other embodiments.
The above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the present application; although the present application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the present disclosure.

Claims (10)

1. A fire early warning fan for a subway station tunnel is characterized by comprising an air inlet mechanism (1), an air exhaust mechanism (2), a temperature detection assembly (3) and two fire extinguishing assemblies (4);
the input end of the air inlet mechanism (1) and the output end of the air exhaust mechanism (2) are respectively communicated with the outside of the tunnel, and the output end of the air inlet mechanism (1) and the input end of the air exhaust mechanism (2) are both positioned in the tunnel;
the temperature detection assembly (3) is arranged between the air inlet mechanism (1) and the air exhaust mechanism (2) and is respectively connected with the two fire extinguishing assemblies (4), and the two fire extinguishing assemblies (4) can be controlled to act so as to extinguish a fire;
the two fire extinguishing assemblies (4) are respectively arranged on the outer sides of the air inlet mechanism (1) and the air exhaust mechanism (2).
2. The fire early warning fan for the subway station tunnel according to claim 1, wherein said air intake mechanism (1) comprises an air intake duct (11), a first driving portion (12), an air suction fan blade (13) and a first supporting member (14);
the input end of the air inlet pipeline (11) is communicated with the outside of the tunnel, and the output end of the air inlet pipeline (11) is positioned in the tunnel;
the first supporting piece (14) is fixedly connected to the inner wall of the input end of the air inlet pipeline (11);
the body of the first driving part (12) is fixedly connected with the first supporting part (14);
the air suction fan blade (13) is fixedly connected to the output end of the first driving part (12) and can be driven by the first driving part (12) to rotate.
3. The fire early warning fan for the subway station tunnel according to claim 2, wherein said first support member (14) comprises a first inner joint plate (141);
the machine body of the first driving part (12) penetrates through the first inner connecting plate (141) and is fixedly connected with the first inner connecting plate (141);
the first inner connecting plate (141) is fixedly connected to the inner wall of the input end of the air inlet pipeline (11);
the first inner connecting plate (141) is provided with a plurality of first ventilation holes (142).
4. The fire early warning fan for the subway station tunnel according to claim 2, wherein said exhaust mechanism (2) comprises an exhaust duct (21), a second driving portion (22), an exhaust fan blade (23) and a second support member (24);
the output end of the exhaust pipeline (21) is communicated with the outside of the tunnel, and the input end of the exhaust pipeline (21) is positioned in the tunnel;
the second supporting piece (24) is fixedly connected to the inner wall of the output end of the exhaust pipeline (21);
the body of the second driving part (22) is fixedly connected to the second supporting part (24);
the exhaust fan blade (23) is fixedly connected to the output end of the second driving part (22) and can be driven by the second driving part (22) to rotate.
5. The fire early warning fan for the subway station tunnel according to claim 4, wherein said second support member (24) comprises a second inner connection plate (241);
the body of the second driving part (22) penetrates through the second inner connecting plate (241) and is fixedly connected with the second inner connecting plate (241);
the second inner connecting plate (241) is fixedly connected to the inner wall of the output end of the exhaust pipeline (21);
the second inner connecting plate (241) is provided with a plurality of second ventilation holes (242).
6. The fire early warning fan for the subway station tunnel according to claim 4, wherein said temperature detection assembly (3) comprises a controller (31) and a plurality of temperature sensors (32);
the controller (31) is fixedly connected between the air inlet pipeline (11) and the air outlet pipeline (21);
the temperature sensors (32) are embedded in the controller (31) and are electrically connected with the fire extinguishing assembly (4).
7. The fire early warning fan for the subway station tunnel according to claim 4, wherein said fire extinguishing assembly (4) comprises an external casing (41), a through ring box (42) and a plurality of groups of spray guns (43);
the two through ring boxes (42) are respectively sleeved on the outer walls of the air inlet pipeline (11) and the air outlet pipeline (21);
the two external sleeves (41) are respectively sleeved outside the two through ring boxes (42);
the multiple groups of spray guns (43) are arranged on the outer wall of the external sleeve (41) in an annular array and penetrate through the external sleeve (41);
two it has input pipeline (44) to link up between ring case (42), it deviates from to link up ring case (42) the tip intercommunication of input pipeline (44) has a plurality of output pipeline (45), be provided with outer joint (46) on input pipeline (44), be provided with a plurality of joint pipeline (47) on output pipeline (45), spray gun (43) with joint pipeline (47) intercommunication.
8. The fire early warning fan for the subway station tunnel according to claim 4, further comprising a first slip ring (5) and a filter screen (51);
the first sliding ring (5) is arranged on the inner wall of the output end of the exhaust pipeline (21) and is in sliding connection with the inner wall of the exhaust pipeline (21);
the filter screen (51) is fixedly connected to the inner wall of the first sliding ring (5).
9. The fire early warning fan for the subway station tunnel according to claim 8, further comprising a second slip ring (6) and an activated carbon plate (61);
the second sliding ring (6) is arranged on the inner wall of the output end of the exhaust pipeline (21) and is in sliding connection with the inner wall of the exhaust pipeline (21), and the second sliding ring (6) is positioned on the outer side of the first sliding ring (5);
the activated carbon plate (61) is fixedly connected to the inner wall of the second sliding ring (6).
10. The fire early warning fan for the subway station tunnel according to claim 4, further comprising two sealing rubber strips (7) and two slotted baffles (8);
the two slotted baffles (8) and the two sealing rubber strips (7) are respectively and fixedly connected to the output end of the air inlet pipeline (11) and the input end of the air outlet pipeline (21).
CN202210281187.1A 2022-03-22 2022-03-22 Fire early warning fan for subway station tunnel Active CN114370419B (en)

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CN113153406A (en) * 2021-04-22 2021-07-23 中铁第五勘察设计院集团有限公司 Tunnel system and tunnel smoke discharge control method
CN213941919U (en) * 2020-10-15 2021-08-13 山西四和交通工程有限责任公司 Highway tunnel fire control automatic spray device
KR20210110143A (en) * 2020-02-28 2021-09-07 박성호 Booster pump box for fire extinguishing
CN214469122U (en) * 2021-01-25 2021-10-22 江苏精川材料检测研究有限公司 Novel laboratory is with exhaust control system

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010021005A1 (en) * 2008-08-22 2010-02-25 Ansaldo Trasporti - Sistemi Ferroviari S.P.A. Ventilation system for railway tunnels
US20110275302A1 (en) * 2008-10-24 2011-11-10 Mosen Limited Improved tunnel ventilation device
CN209040873U (en) * 2018-08-16 2019-06-28 江阴市华恒消防工程有限公司 A kind of ventilation and exhaust device for tunnel fire hazard
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CN214469122U (en) * 2021-01-25 2021-10-22 江苏精川材料检测研究有限公司 Novel laboratory is with exhaust control system
CN113153406A (en) * 2021-04-22 2021-07-23 中铁第五勘察设计院集团有限公司 Tunnel system and tunnel smoke discharge control method

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