CN118008437A - Tunnel smoke prevention device for supplying air from parallel tunnels - Google Patents
Tunnel smoke prevention device for supplying air from parallel tunnels Download PDFInfo
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- CN118008437A CN118008437A CN202410145973.8A CN202410145973A CN118008437A CN 118008437 A CN118008437 A CN 118008437A CN 202410145973 A CN202410145973 A CN 202410145973A CN 118008437 A CN118008437 A CN 118008437A
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- smoke
- tunnel
- channel
- fixing seat
- ventilation
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- 239000000779 smoke Substances 0.000 title claims abstract description 84
- 230000002265 prevention Effects 0.000 title claims abstract description 15
- 238000009423 ventilation Methods 0.000 claims abstract description 53
- 230000007246 mechanism Effects 0.000 claims abstract description 24
- 238000007599 discharging Methods 0.000 claims abstract description 13
- 238000005192 partition Methods 0.000 claims abstract description 9
- 239000003517 fume Substances 0.000 claims description 5
- 238000009413 insulation Methods 0.000 claims description 5
- 230000003405 preventing effect Effects 0.000 abstract description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 239000003546 flue gas Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- Ventilation (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The invention relates to the technical field of tunnel smoke prevention, in particular to a tunnel smoke prevention device for supplying air from a parallel tunnel, which comprises a partition wall arranged in the tunnel, wherein the partition wall divides the interior of the tunnel into a vehicle passage and an emergency passage, the vehicle passage and the emergency passage are communicated through a fire door, a ventilation passage is arranged above the emergency passage and is communicated with the emergency passage through a first communication port, and the ventilation passage is communicated with the vehicle passage through a second communication port. In the invention, when a fire disaster occurs in a certain area in a longer tunnel, the smoke sensor, the temperature sensor and the smoke discharging mechanism in the area can rapidly react, the fire disaster position is accurately positioned, the fans on the smoke discharging mechanism adjust the direction, so that the fans face to the air outlet nearest to the fire disaster area, and the relay smoke discharging mode can realize rapid smoke discharging and ensure good smoke preventing effect.
Description
Technical Field
The invention relates to the technical field of tunnel smoke prevention, in particular to a tunnel smoke prevention device for supplying air from a parallel tunnel.
Background
The tunnel evacuation channel is an escape channel for people to evacuate when fire disaster occurs in the tunnel. When the highway tunnel or the railway tunnel is provided with a safe evacuation channel parallel to the tunnel, the fire smoke of the driving tunnel is prevented from entering the safe evacuation channel.
When the existing highway tunnel or railway tunnel is provided with a safe evacuation channel parallel to the tunnel, in order to prevent fire smoke of the driving tunnel from entering the safe evacuation channel, the evacuation channel needs to be pressurized and supplied with air. The length of the safe evacuation channel is usually more than 1km, and a longer tunnel can even reach more than 5km, so that the pressurized air supply radius of the safe evacuation channel can reach several kilometers, and the civil engineering construction level is limited, so that the capacity of the pressurized air supply fan is large, and the effect is poor, and therefore, the smoke prevention effect of any position in the tunnel can be hardly ensured by the conventional smoke prevention system for the tunnel evacuation channel.
Disclosure of Invention
The invention aims at: in order to solve the above problems, a tunnel smoke prevention device for supplying air from a parallel tunnel is proposed.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
The utility model provides a tunnel smoke protection device of follow parallel tunnel air supply, includes the partition wall that sets up in the tunnel, the partition wall separates the tunnel inside into the car passageway and emergency passageway, communicate through the fire door between the car passageway and the emergency passageway, the emergency passageway top is equipped with the ventilation passageway, the ventilation passageway communicates with the emergency passageway through communication port one, the ventilation passageway communicates with the car passageway through communication port two, still be equipped with fume extractor and PLC controller in the ventilation passageway, be equipped with smoke transducer and temperature sensor in the car passageway, PLC controller respectively with smoke transducer and temperature sensor electric connection;
The smoke exhaust mechanism comprises a mounting seat fixedly connected with the inner side wall of a ventilation channel, a base is fixedly connected to the mounting seat, a first fixing seat is fixedly connected to one side of the upper end of the base, a first rotating seat is rotatably connected to the first fixing seat, two sides of the lower end of the base are fixedly connected with a second fixing seat and a third fixing seat respectively, a first connecting rod is rotatably connected to the second fixing seat, a second connecting rod is rotatably connected to the third fixing seat, a rotating shaft is arranged in the middle of the first connecting rod, the second rotating seat is connected with the second rotating seat through a hydraulic rod, one end of the first connecting rod, far away from the second fixing seat, is rotatably connected with a second connecting seat, a fixing frame is fixedly connected to the first connecting seat and the second connecting seat, a fan is arranged on the fixing frame, a ventilation groove matched with the fan is formed in the fixing frame, and the fan and the hydraulic rod are electrically connected with a PLC controller respectively.
Preferably, the smoke exhausting mechanisms are arranged in a plurality, and the smoke exhausting mechanisms are arranged in the ventilation channel at equal intervals.
Preferably, the smoke sensor and the temperature sensor are respectively provided with a plurality of smoke sensors, the PLC is respectively electrically connected with the smoke sensors and the temperature sensors, and the smoke sensors, the temperature sensors and the smoke discharging mechanisms are arranged in a one-to-one correspondence mode.
Preferably, the first rotating seat is fixedly connected with the hydraulic rod, the output end of the hydraulic rod is fixedly connected with the second rotating seat, a through groove matched with the hydraulic rod is formed in the base, and the hydraulic rod penetrates through the through groove.
Preferably, emergency channels are arranged on two sides of the vehicle running channel, ventilation channels are arranged above the emergency channels, a heat insulation channel is arranged between the two ventilation channels, and the two ventilation channels are communicated through a connecting pipe.
Preferably, the first communication port and the second communication port are respectively provided with a plurality of communication ports, and the first communication ports and the second communication ports are respectively arranged at equal intervals.
Preferably, the opening and closing of the first communication ports and the second communication ports are controlled by a PLC controller.
In summary, due to the adoption of the technical scheme, the beneficial effects of the invention are as follows:
1. According to the application, the smoke discharging mechanisms which are distributed at equal intervals are arranged, and the smoke sensors and the temperature sensors are arranged correspondingly, so that when a fire disaster occurs in a certain area in a longer tunnel, the smoke sensors, the temperature sensors and the smoke discharging mechanisms in the area can rapidly react, the fire disaster position is accurately positioned, the fans on the smoke discharging mechanisms are adjusted to face the tunnel air outlet closest to the fire disaster area, and the relay smoke discharging mode can realize rapid smoke discharging, and the smoke preventing system is not limited by the tunnel length, so that the good smoke preventing effect can be ensured at any position in the longer tunnel.
2. According to the application, the first communication port and the second communication port are arranged, when people in a fire disaster area are evacuated, most smoke enters the ventilation channel through the second communication port, a small amount of smoke enters the emergency channel along with the flow of the people, the first communication port is controlled to be opened through the PLC, the opening degree is determined according to the smoke concentration in the emergency channel, and the fans in the ventilation channel are all in an opening state, so that the smoke in the emergency channel is sucked into the ventilation channel and discharged out, and the air environment and the personnel safety in the emergency channel are further ensured.
Drawings
Fig. 1 shows an overall structure schematic diagram of a tunnel smoke prevention device provided according to an embodiment of the invention.
Fig. 2 shows a cross-sectional view of an internal structure of a tunnel smoke prevention device according to an embodiment of the present invention.
Fig. 3 shows a schematic diagram of a smoke evacuation mechanism according to an embodiment of the present invention.
Fig. 4 shows another angular structure schematic diagram of the smoke evacuation mechanism according to the embodiment of the invention.
Fig. 5 shows a schematic structural diagram of a first state of a smoke evacuation mechanism according to an embodiment of the invention.
Fig. 6 shows a second state structure schematic diagram of the smoke exhaust mechanism according to the embodiment of the invention.
Legend description:
1. Partition walls; 2. a roadway; 3. an emergency channel; 4. a fire door; 5. a ventilation channel; 6. a heat insulating channel; 7. a connecting pipe; 8. a first communication port; 9. a second communication port; 10. a mounting base; 11. a base; 12. a first fixing seat; 13. a first rotating seat; 14. a second fixing seat; 15. a fixing seat III; 16. a first connecting rod; 17. a second connecting rod; 18. a rotating shaft; 19. a second rotating seat; 20. a hydraulic rod; 21. a through groove; 22. a first connecting seat; 23. a second connecting seat; 24. a fixing frame; 25. a blower; 26. a ventilation groove.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-6, the present invention provides a technical solution:
the utility model provides a tunnel smoke protection device of follow parallel tunnel air supply, including setting up in the tunnel partition wall 1, partition wall 1 separates the tunnel inside into car passageway 2 and emergency channel 3, communicate through fire door 4 between car passageway 2 and the emergency channel 3, be equipped with ventilation passageway 5 above the emergency channel 3, ventilation passageway 5 communicates with emergency channel 3 through communication port one 8, ventilation passageway 5 communicates with car passageway 2 through communication port two 9, still be equipped with fume extractor and PLC controller in the ventilation passageway 5, be equipped with smoke transducer and temperature sensor in the car passageway 2, the PLC controller is with smoke transducer and temperature sensor electric connection respectively; the smoke exhausting mechanism comprises a mounting seat 10 fixedly connected with the inner side wall of a ventilation channel 5, a base 11 is fixedly connected to the mounting seat 10, a first fixing seat 12 is fixedly connected to one side of the upper end of the base 11, a first rotating seat 13 is rotatably connected to the first fixing seat 12, two sides of the lower end of the base 11 are respectively fixedly connected with a second fixing seat 14 and a third fixing seat 15, a first connecting rod 16 is rotatably connected to the second fixing seat 14, a second connecting rod 17 is rotatably connected to the third fixing seat 15, a rotating shaft 18 is rotatably connected to the middle portion of the first connecting rod 16, a second rotating seat 19 is arranged on the rotating shaft 18, the first rotating seat 13 is connected with the second rotating seat 19 through a hydraulic rod 20, one end of the first connecting rod 16, far away from the second fixing seat 14, is rotatably connected with a first connecting seat 22, one end of the second connecting rod 17, far away from the third fixing seat 15, is rotatably connected with a second connecting seat 23, a first connecting seat 22 and a second connecting seat 23, a fixed frame 24 is fixedly connected to the first connecting seat 24, a ventilating groove 26 matched with the blower 25 is formed in the fixed frame 24, and a hydraulic rod 20 is respectively electrically connected with a PLC controller. When a fire disaster occurs in a certain area in the tunnel, the direction is adjusted by the fans 25 on the smoke exhausting mechanism, so that the fans 25 face the tunnel air outlet closest to the fire disaster area, the relay smoke exhausting mode can realize rapid smoke exhausting, the smoke exhausting system is not limited by the length of the tunnel, and good smoke exhausting effect can be ensured at any position in a longer tunnel.
Specifically, as shown in fig. 1 and 2, a plurality of smoke evacuation mechanisms are provided, and the plurality of smoke evacuation mechanisms are disposed at equal intervals inside the ventilation passage 5. The smoke sensors and the temperature sensors are respectively arranged in a plurality, the PLC is respectively electrically connected with the smoke sensors and the temperature sensors, and the smoke sensors, the temperature sensors and the smoke discharging mechanisms are arranged in a one-to-one correspondence mode. A smoke sensor and a temperature sensor are arranged at intervals, so that a fire disaster can be quickly found and responded when the fire disaster occurs, the fire disaster position can be accurately positioned, smoke can be quickly discharged through a smoke discharging mechanism, the expansion of fire disaster is effectively restrained, and the casualties are avoided.
Specifically, as shown in fig. 3, 4, 5 and 6, the first rotating seat 13 is fixedly connected with the hydraulic rod 20, the output end of the hydraulic rod 20 is fixedly connected with the second rotating seat 19, the base 11 is provided with a through groove 21 matched with the hydraulic rod 20, and the hydraulic rod 20 penetrates through the through groove 21. Preferably, the fan 25 should keep a smaller included angle with the vertical direction in the adjustment direction, so that the former fan 25 is prevented from shielding the latter fan 25, meanwhile, the fan 25 with an inclined angle can generate turbulence in the ventilation channel 5, so that the flue gas is more uniformly distributed in the ventilation channel 5, secondary disasters caused by overhigh temperature due to excessive concentration of the flue gas are avoided, and meanwhile, the flue gas is filled in the ventilation channel 5, so that the discharge efficiency of the flue gas is also improved.
Specifically, as shown in fig. 1 and 2, emergency channels 3 are respectively arranged on two sides of the driving channel 2, ventilation channels 5 are respectively arranged above the emergency channels 3, a heat insulation channel 6 is arranged between the two ventilation channels 5, and the two ventilation channels 5 are communicated through a connecting pipe 7. The first communication port 8 and the second communication port 9 are respectively provided with a plurality of communication ports, and the first communication ports 8 and the second communication ports 9 are respectively arranged at equal intervals. The opening and closing of the first communication ports 8 and the second communication ports 9 are controlled by a PLC controller. When people in fire areas are evacuated, most of smoke enters the ventilation channel 5 through the second communication port 9, a small amount of smoke enters the emergency channel 3 along with the flow of the people, the first communication port 8 is controlled by the PLC controller to be opened, the opening degree is determined according to the smoke concentration in the emergency channel 3, and the fans 25 in the ventilation channel 5 are in an opening state, so that the ventilation channel 5 is in micro negative pressure, and the smoke in the emergency channel 3 is sucked into the ventilation channel 5 and discharged, so that the air environment and the personnel safety in the emergency channel 3 are further ensured. Meanwhile, the heat insulation channel 6 is arranged, components such as a PLC controller, an emergency power supply and the like can be placed in the heat insulation channel 6, the influence of high temperature and fire on the components is avoided, and the whole smoke protection device can be normally used.
To sum up, the tunnel smoke prevention device that follow parallel tunnel air supply that this embodiment provided, when the conflagration takes place in a certain region in the tunnel, when the conflagration is taken place in the tunnel, temperature sensor and the smog sensor in place detect this regional in temperature rise or smog concentration exceeds standard, then send the electrical signal to PLC controller department, open completely through the communication port two 9 of this regional of PLC controller control, a plurality of fume extractor of simultaneous control mechanism, shrink or extend through hydraulic stem 20, drive pivot 18 and connecting rod one 16 and rotate around fixing base two 14, thereby drive fan 25 adjustment direction, fan 25 in a plurality of fume extractor all orientation is the most recent air outlet of conflagration district, and open through PLC controller control fan 25, make the flue gas get into ventilation channel 5 from car passageway 2 by communication port two 9, open by a plurality of fans 25 are synchronous, if the personnel of the conflagration region need be evacuated simultaneously, get into emergency channel 3 through fire door 4 in, a small amount of follow the personnel flow and get into emergency channel 3 this moment, through emergency controller control port one, open the interior ventilation channel 5 of ventilation channel 5 is opened for the interior ventilation channel 5 is opened, and the interior ventilation channel 5 is opened for the interior ventilation channel 5 is all to the people, the interior ventilation channel is opened for the interior ventilation channel 5 is opened because of the interior ventilation channel 5 is opened.
The previous description of the embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. The utility model provides a tunnel smoke protection device of follow parallel tunnel air supply, includes partition wall (1) that sets up in the tunnel, its characterized in that, partition wall (1) is separated into car passageway (2) and emergency channel (3) with the tunnel inside, be equipped with ventilation channel (5) between car passageway (2) and emergency channel (3) through fire door (4) intercommunication, emergency channel (3) top is equipped with ventilation channel (5), ventilation channel (5) are through communication port one (8) and emergency channel (3) intercommunication, ventilation channel (5) are through communication port two (9) and car passageway (2) intercommunication, still be equipped with fume extractor and PLC controller in ventilation channel (5), be equipped with smoke transducer and temperature sensor in car passageway (2), PLC controller respectively with smoke transducer and temperature sensor electric connection;
The smoke exhausting mechanism comprises a mounting seat (10) fixedly connected with the inner side wall of a ventilation channel (5), a base (11) is fixedly connected to the mounting seat (10), a first fixing seat (12) is fixedly connected to one side of the upper end of the base (11), a first rotating seat (13) is rotationally connected to the first fixing seat (12), a second fixing seat (14) and a third fixing seat (15) are respectively fixedly connected to two sides of the lower end of the base (11), a first connecting rod (16) is rotationally connected to the second fixing seat (14), a second connecting rod (17) is rotationally connected to the third fixing seat (15), a rotating shaft (18) is rotationally connected to the middle part of the first connecting rod (16), a second rotating seat (19) is arranged on the rotating shaft (18), a first fixing seat (22) is rotationally connected to one end of the first connecting rod (16) far away from the second fixing seat (14), a second connecting seat (23) is rotationally connected to one end of the third fixing seat (15), a second fixing seat (23) is rotationally connected to one end of the second connecting rod (22) far from the third fixing seat (15), a second fixing seat (24) is fixedly connected to the second fixing seat (24), and a ventilation groove (26) matched with the fan (25) is formed in the fixing frame (24), and the fan (25) and the hydraulic rod (20) are respectively and electrically connected with the PLC.
2. A tunnel smoke-preventing device for supplying air from a parallel tunnel according to claim 1, wherein a plurality of smoke exhausting mechanisms are provided, and a plurality of smoke exhausting mechanisms are arranged at equal intervals inside the ventilation channel (5).
3. The tunnel smoke prevention device for supplying air from a parallel tunnel according to claim 2, wherein the smoke sensor and the temperature sensor are respectively provided in plurality, the PLC controller is respectively electrically connected with the smoke sensors and the temperature sensors, and the smoke sensors, the temperature sensors and the smoke discharging mechanism are arranged in one-to-one correspondence.
4. The tunnel smoke prevention device for supplying air from a parallel tunnel according to claim 1, wherein the first rotating seat (13) is fixedly connected with the hydraulic rod (20), the output end of the hydraulic rod (20) is fixedly connected with the second rotating seat (19), the base (11) is provided with a through groove (21) matched with the hydraulic rod (20), and the hydraulic rod (20) penetrates through the through groove (21).
5. The tunnel smoke prevention device for supplying air from a parallel tunnel according to claim 1, wherein emergency channels (3) are arranged on two sides of the vehicle-mounted channel (2), ventilation channels (5) are arranged above the emergency channels (3), a heat insulation channel (6) is arranged between the two ventilation channels (5), and the two ventilation channels (5) are communicated through a connecting pipe (7).
6. The tunnel smoke-preventing device for supplying air from a parallel tunnel according to claim 1, wherein a plurality of first communication ports (8) and second communication ports (9) are respectively arranged, and the plurality of first communication ports (8) and the plurality of second communication ports (9) are respectively arranged at equal intervals.
7. The tunnel smoke-preventing device for supplying air from a parallel tunnel according to claim 6, wherein the opening and closing of the first communication ports (8) and the second communication ports (9) are controlled by a PLC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410145973.8A CN118008437A (en) | 2024-02-01 | 2024-02-01 | Tunnel smoke prevention device for supplying air from parallel tunnels |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410145973.8A CN118008437A (en) | 2024-02-01 | 2024-02-01 | Tunnel smoke prevention device for supplying air from parallel tunnels |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN118008437A true CN118008437A (en) | 2024-05-10 |
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ID=90945898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410145973.8A Pending CN118008437A (en) | 2024-02-01 | 2024-02-01 | Tunnel smoke prevention device for supplying air from parallel tunnels |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN118008437A (en) |
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2024
- 2024-02-01 CN CN202410145973.8A patent/CN118008437A/en active Pending
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