CN215892708U - Air-conditioning air curtain type subway tunnel fire smoke diffusion preventing system - Google Patents
Air-conditioning air curtain type subway tunnel fire smoke diffusion preventing system Download PDFInfo
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- CN215892708U CN215892708U CN202121398443.2U CN202121398443U CN215892708U CN 215892708 U CN215892708 U CN 215892708U CN 202121398443 U CN202121398443 U CN 202121398443U CN 215892708 U CN215892708 U CN 215892708U
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Abstract
The utility model provides an air conditioner air curtain formula subway tunnel conflagration flue gas diffusion system of preventing, when having solved the tunnel and taking place the conflagration, the flue gas can pass through the non-accident tunnel of contact passageway entering by accident tunnel, also can seriously influence personnel's the fleing, and the flue gas temperature is very high moreover, can exceed human body heat-resisting temperature upper limit, the great problem of personnel's difficulty of fleing. It includes tunnel main part, air conditioner air curtain system, temperature test system, wind speed test system, the tunnel main part is including accident tunnel, accident tunnel communicates side by side has non-accident tunnel, accident tunnel with the intercommunication has the contact passageway between the non-accident tunnel, air conditioner air curtain system is located inside the tunnel main part, air conditioner air curtain system is including the system of discharging fume and separating the cigarette system.
Description
Technical Field
The utility model relates to the technical field of subway tunnel safety, in particular to an air-conditioning air curtain type subway tunnel fire smoke diffusion prevention system.
Background
In a new age with rapid development, the number of people is greatly increased, the living standard of people is gradually improved, and the urban range is continuously expanded. The great traffic pressure comes from the underground track traffic system, and the underground track traffic system can reasonably and effectively utilize the underground space of the city and relieve the traffic pressure on the ground, so that the underground track traffic system is an important means for solving the congestion of the city. The subway is one of the main modes of urban rail transit, has the advantages of large transportation capacity, safety, reliability, comfort, high speed and the like, and becomes the most convenient, economic and efficient vehicle for people to go out. And the subway is one of the core of the modern urban traffic system and the largest-scale infrastructure of the city, and is more and more important for realizing the social sustainable development and promoting the prosperity of the city economy. The tunnel is a relatively inclosed space, and the fire control problem in tunnel is especially important, and when the conflagration breaing out, the flue gas stretchs speed very fast, and flue gas temperature is very high moreover, can exceed human body heat-resisting temperature upper limit, brings very big difficulty for personnel's fleeing, so can install plug-type air supply fan control flue gas in the tunnel and flow, but the flue gas can be passed through the contact passageway by the accident tunnel and get into non-accident tunnel, also can seriously influence personnel's the fleeing.
In order to effectively solve the problems that smoke enters a non-accident tunnel through an accident tunnel and the temperature of the smoke is too high through a communication channel, the system for controlling the fire smoke of the subway tunnel through the air-conditioning air curtain forming an angle with a vertical plane is provided, when a fire occurs in the tunnel, the smoke control system of the accident tunnel can form negative pressure at the communication channel port after a fan is started, positive pressure is formed through the air-conditioning air curtain, the smoke is prevented from entering the non-accident tunnel, meanwhile, the temperature of the accident tunnel side of the communication channel port is reduced, certain safety is improved for people to escape, cost is saved more than that of the conventional mode of push-pull air supply and convection air supply of the accident tunnel, and certain improvement is realized on the safety of people to escape, so that the air-conditioning air curtain is utilized to control the fire smoke of the subway tunnel, and the system has certain application prospect and engineering practical value.
SUMMERY OF THE UTILITY MODEL
Aiming at the situation and overcoming the defects of the prior art, the utility model provides the air-conditioning air curtain type subway tunnel fire smoke diffusion prevention system, which effectively solves the problems that when a fire disaster occurs in a tunnel, smoke can enter a non-accident tunnel from an accident tunnel through a communication channel, the escape of personnel can be seriously influenced, the temperature of the smoke is very high, the upper limit of the heat-resisting temperature of a human body can be exceeded, and the escape of the personnel is difficult.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model comprises a tunnel main body, an air curtain system of an air conditioner, a temperature testing system and a wind speed testing system, the tunnel main body comprises an accident tunnel which is communicated with a non-accident tunnel in parallel, a communication channel is communicated between the accident tunnel and the non-accident tunnel, the air-conditioning air curtain system is positioned in the tunnel main body, the air curtain system of the air conditioner comprises a smoke exhaust system and a smoke isolation system, the smoke exhaust system is positioned in the accident tunnel, the smoke exhaust system comprises a first fan for longitudinally supplying air, the first fan is fixedly arranged on the right side of the accident tunnel, a second fan for longitudinally exhausting air is arranged on the left side of the accident tunnel, an auxiliary air supply mechanism is arranged in the accident tunnel between the first fan and the second fan, the smoke isolating system is arranged in the connecting channel and comprises three tower-type air conditioners which are vertically distributed with the inner wall of the connecting channel;
the auxiliary air supply mechanism comprises an auxiliary air supply plate, a rotatable driving gear is rotatably connected to the auxiliary air supply plate, four driven gears which are distributed at equal angles are meshed with the driving gear, a main fan is fixedly connected with the driving gear, an auxiliary fan is fixedly connected with the driven gear, and a filter plate fixedly connected with the auxiliary air supply plate is rotatably connected between the main fan and the driving gear.
Preferably, supplementary air supply framework is including the base, fixedly connected with bracing piece in the base, sliding connection has the support on the bracing piece, threaded connection has the lead screw of being connected with the base rotation on the support, fixedly connected with bevel gear group on the lead screw, support front side rotation is connected with rotatable first gear, the cooperation of first gear bottom has the rack, the meshing of rack front side has the second gear with supplementary air supply board fixed connection, the second gear with supplementary air supply board all is connected with the support rotation.
Preferably, the first gear is coaxially and fixedly connected with a first connecting rod, the other end of the first connecting rod is rotatably connected with a roller, the roller is matched with a fixed block, a guide groove with a corner is formed in the fixed block, and the roller is located in the guide groove.
Preferably, fire nozzles are mounted on the bases on the left side and the right side of the fixing block.
Preferably, the wind speed testing system comprises an anemometer installed at the inlet of the communication channel.
Preferably, the temperature test system comprises a temperature string arranged at the inlet of the communication channel.
Compared with the prior art, the utility model has the beneficial effects that:
1. the air-conditioning air curtain formed by the tower-type air conditioners forming an angle with the vertical plane is arranged at the position of the communication channel in the tunnel and used for offsetting negative pressure generated by a smoke exhaust system of the accident tunnel when a fire disaster happens, so that smoke is controlled in the accident tunnel, the temperature of the outlet of the communication channel is reduced, and the safety of an escape environment is improved.
2. This device can be more accurate near the contact entrance of taking place for the conflagration accuse cigarette smoke protection, need not open the fan in non-accident tunnel, can significantly reduce because of the time delay nature of fan during action, can be quick with the flue gas control in accident tunnel to the temperature of quick reduction contact entrance provides safer environment for personnel's the fleeing.
3. The device can also be used as an experimental system, and the thermocouple is arranged at the position of the communication channel mouth for correspondingly adjusting the air speed of the air curtain of the air conditioner according to the smoke exhaust air speed of the accident tunnel, so that the temperature is monitored, the cold quantity of the air curtain of the air conditioner is adjusted, and the effect of smoke control and temperature reduction is achieved. After the experiment, the data can be used as reference, and the air curtain system of the air conditioner can be more intelligent when a fire disaster happens.
4. The base is fixed at tunnel main part top, and the supplementary air supply board of when unconscious is located the tunnel top, and supplementary air supply board whereabouts is to the perpendicular dress state when the occurence of failure provides horizontal blowing through main fan and auxiliary fan, avoids blowing the harmful particle in the smog downwards, guarantees that tunnel main part below environment is relative better, and the personnel of being convenient for flee.
Drawings
FIG. 1 is a front view of a subway tunnel body of the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1 in accordance with the present invention; .
FIG. 3 is a schematic view of a first embodiment of an auxiliary blower according to the present invention.
Fig. 4 is a schematic diagram of a second configuration of the auxiliary blowing mechanism according to the present invention.
FIG. 5 is a schematic view of the connection structure of the stent of the present invention.
Reference numbers in the figures: 1. a tunnel body; 101. an accident tunnel; 102. a communication channel; 103. a non-accident tunnel; 2. a first fan; 3. a second fan; 4. an auxiliary air supply mechanism; 401. an auxiliary air supply plate; 402. a drive gear; 403. a driven gear; 404. a main fan; 405. an auxiliary fan; 406. a filter plate; 407. a base; 408. a support bar; 409. a support; 410. a screw rod; 411. a bevel gear set; 412. a first gear; 413. a rack; 414. a second gear; 415. a first link; 416. a roller; 417. a fixed block; 418. a guide groove; 419. a fire sprinkler; 5. a tower type air conditioner.
Detailed Description
The following description of the embodiments of the present invention will be made in detail with reference to the accompanying drawings 1 to 5.
The utility model comprises a tunnel main body 1, an air-conditioning air curtain system, a temperature testing system and a wind speed testing system, wherein the tunnel main body 1 comprises an accident tunnel 101, the accident tunnel 101 is communicated with a non-accident tunnel 103 in parallel, a communication channel 102 is communicated between the accident tunnel 101 and the non-accident tunnel 103, the air-conditioning air curtain system is positioned in the tunnel main body 1, the air-conditioning air curtain system comprises a smoke exhaust system and a smoke isolation system, the smoke exhaust system is positioned in the accident tunnel 101, the smoke exhaust system comprises a first fan 2 for longitudinally supplying air, the first fan 2 is fixedly arranged at the right side of the accident tunnel 101, a second fan 3 for longitudinally exhausting air is arranged at the left side of the accident tunnel 101, an auxiliary air supply mechanism 4 is arranged in the accident tunnel 101 between the first fan 2 and the second fan 3, and the smoke isolation system is arranged in the communication channel 102, the smoke isolating system comprises three tower type air conditioners 5 which are vertically distributed with the inner wall of the communication channel 102;
the auxiliary air supply mechanism 4 comprises an auxiliary air supply plate 401, a rotatable driving gear 402 is rotatably connected to the auxiliary air supply plate 401, four driven gears 403 which are distributed at equal angles are meshed with the driving gear 402, a main fan 404 is coaxially and fixedly connected to the driving gear 402, an auxiliary fan 405 is coaxially and fixedly connected to the driven gear 403, and a filter plate 406 fixedly connected to the auxiliary air supply plate 401 is rotatably connected between the main fan 404 and the driving gear 402.
The tunnel main body 1 is composed of a bidirectional circular subway tunnel and a communication channel 102 connecting the two tunnels, wherein any one of the bidirectional circular subway tunnels is determined as a tunnel in which a fire disaster occurs, namely an accident tunnel 101, and the other one of the bidirectional circular subway tunnels is determined as a safety tunnel, namely a non-accident tunnel 103; the air-conditioning air curtain system, the temperature testing system and the wind speed testing system in the tunnel main body 1 are intelligent systems, the temperature in the temperature testing system monitors the temperature in the communication channel 102 in real time, after an accident happens in the accident tunnel 101, the temperature in the communication channel 102 is increased along with the diffusion of heat, and when the temperature of the mouth of the communication channel 102 is monitored to be higher than the upper limit of the heat-resisting temperature of a human body through the temperature string, the tower air conditioner 5 in the air-conditioning air curtain system can automatically increase the refrigerating capacity, so that the temperature is rapidly reduced, and the safety of personnel is guaranteed; first fan 2 in the air conditioner air curtain system, second fan 3 intercommunication has the converter, at first fan 2, when second fan 3 and supplementary air supply mechanism 4 discharged fume accident tunnel 101, the wind speed test system is through the wind speed of discharging fume of monitoring accident tunnel 101, the air conditioner air curtain can be according to the wind speed data adjustment air supply volume of feedback in the wind speed test system, guarantee the malleation between contact passageway 102 and accident tunnel 101, block the flue gas outside contact passageway 102 entry, make the environment of fleing better, also make non-accident tunnel 103 not have the flue gas.
The auxiliary air supply framework comprises a base 407, a support rod 408 is fixedly connected in the base 407, a support 409 is connected on the support rod 408 in a sliding manner, a screw rod 410 rotatably connected with the base 407 is connected on the support 409 in a threaded manner, a bevel gear set 411 is fixedly connected on the screw rod 410, a rotatable first gear 412 is rotatably connected to the front side of the support 409, a rack 413 is matched with the bottom of the first gear 412, a second gear 414 fixedly connected with the auxiliary air supply plate 401 is meshed to the front side of the rack 413, and the second gear 414 and the auxiliary air supply plate 401 are both rotatably connected with the support 409; the first gear 412 is coaxially and fixedly connected with a first connecting rod 415, the other end of the first connecting rod 415 is rotatably connected with a roller 416, the roller 416 is matched with a fixing block 417, a guide groove 418 with a corner is formed in the fixing block 417, and the roller 416 is positioned in the guide groove 418.
As shown in fig. 3, in an initial state, the auxiliary air supply plate 401 is positioned at the bottom and is a parallel horizontal device, at this time, the space occupied by the auxiliary air supply mechanism 4 is small, which affects the operation of a train in the tunnel main body 1, the bevel gear set 411 is composed of two mutually meshed bevel gears, the input end of the bevel gear set 411 is connected with a motor, when a fire in the accident tunnel 101 is detected, the motor drives the screw rod 410 to rotate through the bevel gear set 411, when the screw rod 410 rotates, the screw rod 410 drives the bracket 409 to slide forward along the support rod 408, the number of turns of the motor driving the screw rod 410 to rotate just enough for the screw rod 410 to drive the bracket 409 to move to the foremost position of the support rod 408, when the bracket 409 moves forward, the bracket 409 drives the first gear 412, the rack 413, the second gear 414 and the auxiliary air supply plate 401 to move forward synchronously, the first gear 412 moves forward to drive the first link 415 and the roller 416 to move forward, when the roller 416 moves in the guide groove 418 of the fixed block 417, the roller is moved horizontally, at this time, the first link 415 is kept in a horizontal state, when the roller 416 moves to the corner of the guide groove 418, the second roller 416 drives the first link 415 to rotate downward, the first link 415 rotates downward to drive the first gear 412 to rotate clockwise, the instantaneous rotation of the first gear 412 drives the gear to slide backward, the gear drives the second gear 414 to rotate clockwise, the second gear drives the auxiliary air feeding plate 401 to rotate clockwise, the modulus of the first gear 412 is larger than that of the second gear 414, the roller 416 and the guide groove 418 are matched to drive the rack 413 to move by the distance of the first link 415 and the first gear 412, the rack 413 is just right rotated by the second gear 414, so that the auxiliary air feeding plate 401 moves from a horizontal device to a vertical state, a frequency converter is mounted on a driving gear 402 in the auxiliary air supply plate 401, the rotating speed of the main fan 404 is synchronous with that of the first fan 2 and the second fan 3, when the first fan 2 and the second fan 3 work, the frequency converter supplies power to drive the driving gear 402 to rotate, the driving gear 402 rotates to drive four driven gears 403 to rotate, the driving gear 402 and the driven gears 403 respectively drive the main fan 404 and the driven fans to work, and the first fan 2 and the second fan 3 are assisted in discharging smoke in the accident tunnel 101.
The fire sprinkler 419 is the same as a fire sprinkler in a daily life, and sprays water after a fire occurs, thereby ensuring the safety of the tunnel body 1.
The wind speed testing system comprises an anemometer arranged at the inlet of the communication channel 102.
The wind speed testing system is internally provided with a plurality of anemometers which are respectively connected with a wind speed data acquisition device and used for acquiring the wind speeds of the sections of the first fan 2 and the second fan 3 at the position of the port of the communication channel 102 under different frequencies. The wind speed data collector adopts Agilent 34970A produced by Agilent company.
The temperature test system includes a temperature string disposed at the entrance of the communication channel 102.
The temperature string is connected with the temperature data collector and is used for collecting the temperature change at the position of the communication channel 102 and providing reference for the cooling capacity of the air curtain of the air conditioner. The temperature data collector adopts Agilent 34970A produced by Agilent
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.
Claims (6)
1. The utility model provides an air conditioner air curtain formula subway tunnel conflagration flue gas prevents diffusion system, includes tunnel main part (1), air conditioner air curtain system, temperature test system, wind speed test system, its characterized in that, tunnel main part (1) is including accident tunnel (101), accident tunnel (101) intercommunication side by side has non-accident tunnel (103), accident tunnel (101) with the intercommunication has contact passageway (102) between non-accident tunnel (103), air conditioner air curtain system is located inside tunnel main part (1), air conditioner air curtain system is including the system of discharging fume and separate the cigarette system, the system of discharging fume is located inside accident tunnel (101), the system of discharging fume is including the first fan (2) of vertical air supply, first fan (2) fixed mounting is on accident tunnel (101) right side, the second fan (3) of vertical convulsions are installed in accident tunnel (101) left side, an auxiliary air supply mechanism (4) is arranged in an accident tunnel (101) between the first fan (2) and the second fan (3), the smoke separation system is arranged in the communication channel (102), and the smoke separation system comprises three tower type air conditioners (5) which are vertically distributed with the inner wall of the communication channel (102);
the auxiliary air supply mechanism (4) comprises an auxiliary air supply plate (401), a rotatable driving gear (402) is connected to the auxiliary air supply plate (401) in a rotating mode, the driving gear (402) is meshed with four driven gears (403) distributed in an equal angle mode, a main fan (404) is fixedly connected to the driving gear (402) in a coaxial mode, an auxiliary fan (405) is fixedly connected to the driven gear (403) in a coaxial mode, and a filter plate (406) fixedly connected with the auxiliary air supply plate (401) is connected between the main fan (404) and the driving gear (402) in a rotating mode.
2. The air-conditioning air curtain type fire smoke diffusion preventing system for the subway tunnel according to claim 1, it is characterized in that the auxiliary air supply framework comprises a base (407), a supporting rod (408) is fixedly connected in the base (407), the support rod (408) is connected with a bracket (409) in a sliding way, the bracket (409) is connected with a screw rod (410) which is rotationally connected with the base (407) in a threaded way, a bevel gear set (411) is fixedly connected to the screw rod (410), a rotatable first gear (412) is rotatably connected to the front side of the bracket (409), a rack (413) is matched at the bottom of the first gear (412), a second gear (414) fixedly connected with the auxiliary air supply plate (401) is meshed at the front side of the rack (413), the second gear (414) and the auxiliary air supply plate (401) are rotatably connected with a support (409).
3. The air-conditioning air curtain type subway tunnel fire smoke diffusion preventing system according to claim 2, wherein said first gear (412) is coaxially and fixedly connected with a first connecting rod (415), another end of said first connecting rod (415) is rotatably connected with a roller (416), said roller (416) is matched with a fixing block (417), a guide groove (418) with a corner is opened in said fixing block (417), and said roller (416) is positioned in said guide groove (418).
4. The air-conditioning air curtain type subway tunnel fire smoke diffusion preventing system according to claim 3, wherein fire nozzles (419) are mounted on the bases (407) on the left side and the right side of the fixing block (417).
5. The air-conditioning air curtain type subway tunnel fire smoke diffusion preventing system is characterized in that the wind speed testing system comprises an anemometer installed at an inlet of a communication channel (102).
6. The air-conditioning air curtain type subway tunnel fire smoke diffusion preventing system is characterized in that the temperature testing system comprises a temperature string arranged at the inlet of a communication channel (102).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121398443.2U CN215892708U (en) | 2021-06-23 | 2021-06-23 | Air-conditioning air curtain type subway tunnel fire smoke diffusion preventing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121398443.2U CN215892708U (en) | 2021-06-23 | 2021-06-23 | Air-conditioning air curtain type subway tunnel fire smoke diffusion preventing system |
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| Publication Number | Publication Date |
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| CN215892708U true CN215892708U (en) | 2022-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121398443.2U Active CN215892708U (en) | 2021-06-23 | 2021-06-23 | Air-conditioning air curtain type subway tunnel fire smoke diffusion preventing system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115235021A (en) * | 2022-06-22 | 2022-10-25 | 衍菓（厦门）科技有限公司 | Indoor fire control system of discharging fume based on intelligent monitoring |
-
2021
- 2021-06-23 CN CN202121398443.2U patent/CN215892708U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115235021A (en) * | 2022-06-22 | 2022-10-25 | 衍菓（厦门）科技有限公司 | Indoor fire control system of discharging fume based on intelligent monitoring |
| CN115235021B (en) * | 2022-06-22 | 2023-08-18 | 衍菓（厦门）科技有限公司 | Indoor fire control smoke exhaust system based on intelligent monitoring |
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| TR01 | Transfer of patent right |
Effective date of registration: 20230818 Address after: Room 1302, 13th Floor, Dezheng International Business Port, No. 969 Tianqu East Road, Changhe Street Office, Economic and Technological Development Zone, Dezhou City, Shandong Province, 253000 Patentee after: Shandong ZhuoBi Construction Engineering Co.,Ltd. Address before: 253000 Dezhou Economic Development Zone, Shandong Province Patentee before: SHANDONG HUAYU University OF TECHNOLOGY |