CN216198211U - Ventilation and heat extraction device for subway tunnel - Google Patents
Ventilation and heat extraction device for subway tunnel Download PDFInfo
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- CN216198211U CN216198211U CN202121801041.2U CN202121801041U CN216198211U CN 216198211 U CN216198211 U CN 216198211U CN 202121801041 U CN202121801041 U CN 202121801041U CN 216198211 U CN216198211 U CN 216198211U
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Abstract
The utility model relates to the field of tunnel ventilation, in particular to a ventilation and heat extraction device of a subway tunnel, which comprises a top plate arranged at the top of the subway tunnel, wherein a fluid channel is formed between the top plate and the top of the subway tunnel, baffles are equidistantly arranged in the fluid channel and divide the interior of the fluid channel into continuous fluid units, an air inlet is arranged at the head end of each fluid unit on the subway tunnel, an air outlet is arranged at the tail end of each fluid unit, an air inlet assembly is arranged on the air inlet, an air outlet assembly is arranged on the air outlet, a guide plate which is obliquely arranged is arranged on the lower end surface of the top plate, a guide hole communicated with the interior of the fluid channel is arranged on the lower end surface of the top plate at the position of the guide plate, the guide plate and the guide hole are obliquely distributed, and the guide plate and the guide hole are distributed in parallel, the environmental quality in the subway tunnel is guaranteed, and the method has practical value.
Description
Technical Field
The utility model relates to the field of tunnel ventilation, in particular to a ventilation and heat extraction device for a subway tunnel.
Background
The ventilation system can be divided into cooling and dehumidifying, fresh air supply, pollutant removal and the like according to different service objects. Subway stations, tunnels and the like also need to be cooled and dehumidified, and the uniform air exhaust in the station tunnel is mainly realized to keep the timely removal of damp and hot air in the tunnel.
The friction of the wheels with the rails generates a significant amount of heat, particularly when the train is parked at a station. Generally, an air conditioner radiator is arranged at the top of the train, and heat emitted by an air conditioner is directly discharged into a tunnel. Due to the fact that the interior of the tunnel is dark and moist, air in the tunnel is damp and hot and dirty. Moist hot air in the tunnel gathers, can reduce air conditioner condenser's radiating efficiency on the one hand, increases the tunnel and passes through the shield door etc. and distinguish the heat transfer to the platform, and on the other hand train stops opening of station because platform district shield door and train door when the station, and moist heat dirty air influences air quality and air conditioner load in station and the train through the infiltration wind mode in the tunnel. In order to avoid the adverse effect of high-temperature air in stations and tunnels, the subway station environmental control system is provided with a station tunnel heat extraction and ventilation system.
In the design of a subway heat exchange system, a rail top heat exhaust air duct is long, the sizes of air outlets of the heat exhaust air ducts are the same in the building design process, the air outlet air volume close to a fan is large, the air outlet air volume far away from the fan is small, air exhaust heat dissipation cannot be well carried out, and the heat exhaust heat dissipation effect is relatively poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a ventilation and heat extraction device for a subway tunnel.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a ventilation heat extraction device in subway tunnel, including setting up the roof at subway tunnel top, roof and subway tunnel's top form fluid passage, fluid passage's inside equidistance is provided with the baffle, and the baffle is inside the separation for continuous fluid unit with fluid passage, and the head end that lies in every fluid unit on the subway tunnel all is equipped with the air intake, and the end is equipped with the air outlet, be equipped with the air inlet subassembly on the air intake, be equipped with the air-out subassembly on the air outlet, the lower terminal surface of roof is equipped with the guide plate that the slope set up, the position that the lower terminal surface of roof lies in the guide plate is equipped with the water conservancy diversion hole with fluid passage's inside intercommunication, the guide plate with the equal inclined distribution in water conservancy diversion hole, and guide plate and water conservancy diversion hole parallel distribution, be equipped with the bloop on the outer wall of roof.
Preferably, the air inlet subassembly includes air inlet kuppe and air inlet fan, the air inlet kuppe is installed in subway tunnel's outside, and is linked together with the air intake, air inlet fan installs in the air intake.
Preferably, the air outlet assembly comprises an air exhaust air guide sleeve and an air exhaust fan, the air exhaust air guide sleeve is installed outside the subway tunnel and communicated with the air outlet, and the air exhaust fan is installed in the air outlet.
Preferably, a rotary cover plate is arranged at the outlet of the exhaust air guide sleeve, the rotary cover plate is used for closing and opening the outlet of the exhaust air guide sleeve, and a stepping motor used for driving the rotary cover plate to rotate is arranged on the outer wall of the exhaust air guide sleeve.
Preferably, the inner surfaces of the air inlet guide sleeve and the air exhaust guide sleeve are curved surfaces.
Preferably, an included angle between the gas flowing direction in the flow guide hole and the gas flowing direction in the fluid channel is an acute angle.
Preferably, the gas flowing direction in the fluid channel is the same as the driving direction of the train in the subway tunnel.
Has the advantages that: when the utility model is used, two use modes are available:
the first method comprises the following steps: the stepping motor drives the rotating cover plate to rotate, an outlet on the air exhaust guide cover is opened, the air inlet fan and the air exhaust fan are opened, air flow is generated in the fluid channel, the air flow enters from the air inlet and is exhausted from the air outlet, and when a train runs in the subway tunnel, generated hot air is upwards transferred and is converged into the air flow in the fluid channel from the guide hole, so that heat in the subway tunnel is quickly exhausted (used for exchanging heat and exhausting air inside the subway tunnel);
and the second method comprises the following steps: the stepping motor drives the rotating cover plate to rotate, an outlet on the exhaust air guide sleeve is closed, the air inlet fan is opened, and the exhaust fan is closed, so that external air entering the fluid channel enters the interior of the subway tunnel through the air guide holes, and the gas environment in the interior of the subway tunnel is improved (the stepping motor is used for improving the gas environment in the interior of the subway tunnel);
in the practical application process, the two modes are alternately used, so that the heat in the subway tunnel can be timely discharged, and the gas environment in the subway tunnel can be improved;
in the utility model, because the direction of the air flow generated by the train in the running process is forward, the guide plate and the guide holes are arranged in an inclined shape in order to facilitate the faster and better discharge of heat; in addition, the noise elimination holes are arranged, so that noise generated in the subway tunnel can be weakened, and the purpose of noise reduction is achieved;
meanwhile, the fluid channel is divided into the plurality of fluid units, so that the corresponding number of fluid units can be selectively used when the heat exchanger is used (two adjacent fluid units work alternately), the heat exchange and exhaust are guaranteed, the gas environment is improved, and the energy is saved.
The utility model has simple structure, can be used for quickly exchanging heat and exhausting air in the subway tunnel, can improve the gas environment in the subway tunnel, ensures the environmental quality in the subway tunnel, and has practical value.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings in the embodiments of the present invention are briefly described below.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view taken at A in FIG. 1;
FIG. 3 is an enlarged view at B of FIG. 1;
1-subway tunnel, 2-roof, 3-partition, 4-fluid channel, 5-air inlet, 6-air outlet, 7-air inlet guide cover, 8-air inlet fan, 9-air outlet fan, 10-air outlet guide cover, 11-stepping motor, 12-rotating cover plate, 13-guide plate, 14-guide hole and 15-silencing hole.
Detailed Description
The technical scheme of the utility model is further explained by the specific implementation mode in combination with the attached drawings.
Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; to better illustrate the embodiments of the present invention, some components of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product.
Referring to fig. 1 to 3, the ventilation and heat removal device for a subway tunnel comprises a roof 2 disposed at the top of the subway tunnel 1, the roof 2 forming a fluid passage 4 with the top of the subway tunnel 1, the interior of the fluid channel 4 is provided with partition boards 3 at equal intervals, the partition boards 3 divide the interior of the fluid channel 4 into continuous fluid units, the head end of each fluid unit on the subway tunnel 1 is provided with an air inlet 5, the tail end of each fluid unit is provided with an air outlet 6, an air inlet component is arranged on the air inlet 5, an air outlet component is arranged on the air outlet 6, a guide plate 13 which is obliquely arranged is arranged on the lower end surface of the top plate 2, the lower end surface of the top plate 2 is provided with a flow guide hole 14 communicated with the inside of the fluid channel 4 at the position of the flow guide plate, the flow guide plate 13 and the flow guide hole 14 are both distributed in an inclined way, and the guide plate 13 and the guide holes 14 are distributed in parallel, and the outer wall of the top plate 2 is provided with silencing holes 15.
In this embodiment, the air inlet subassembly includes air inlet kuppe 7 and air inlet fan 8, air inlet kuppe 7 is installed in subway tunnel 1's outside, and is linked together with air intake 5, air inlet fan 8 is installed in air intake 5.
In this embodiment, the air outlet assembly includes an exhaust air guide sleeve 10 and an exhaust fan 9, the exhaust air guide sleeve 10 is installed outside the subway tunnel 1 and is communicated with the air outlet 6, and the exhaust fan 9 is installed in the air outlet 6.
In this embodiment, a rotary cover plate 12 is disposed at an outlet of the exhaust air guide sleeve 10, the rotary cover plate 12 is used for closing and opening the outlet of the exhaust air guide sleeve 10, and a stepping motor 11 for driving the rotary cover plate 12 to rotate is disposed on an outer wall of the exhaust air guide sleeve 10.
In this embodiment, the inner surfaces of the air intake dome 7 and the air exhaust dome 10 are curved surfaces.
In this embodiment, the included angle between the gas flowing direction in the diversion hole 14 and the gas flowing direction in the fluid channel 4 is an acute angle.
In the present embodiment, the gas flow direction in the fluid passage 4 is the same as the traveling direction of the train in the subway tunnel 1.
When the utility model is used, two use modes are available:
the first method comprises the following steps: the stepping motor 11 drives the rotating cover plate 12 to rotate, an outlet on the exhaust air guide sleeve 10 is opened, the air inlet fan 8 and the exhaust fan 9 are opened, so that air flow is generated in the fluid channel 4, enters from the air inlet 5 and is exhausted from the air outlet 6, when a train runs in the subway tunnel, generated hot air can be upwards transferred and is gathered into the air flow in the fluid channel 4 from the air guide hole 14, and therefore heat in the subway tunnel 1 is rapidly exhausted (used for carrying out heat exchange and exhaust on the interior of the subway tunnel 1);
and the second method comprises the following steps: the stepping motor 11 drives the rotating cover plate 12 to rotate, an outlet on the exhaust air guide sleeve 10 is closed, the air inlet fan 8 is opened, and the exhaust fan 9 is closed, so that external air entering the fluid channel 4 enters the interior of the subway tunnel 1 through the flow guide holes 14, and the gas environment in the subway tunnel 1 is improved (the gas environment in the subway tunnel 1 is improved);
in the practical application process, the two modes are alternately used, so that the heat in the subway tunnel 1 can be timely discharged, and the gas environment in the subway tunnel 1 can be improved;
in the utility model, because the direction of the air flow generated by the train in the running process is forward, the guide plate 13 and the guide holes 14 are arranged in an inclined shape in order to facilitate the faster and better heat discharge; in addition, the noise elimination holes 15 are arranged, so that noise generated inside the subway tunnel 1 can be weakened, and the purpose of noise reduction is achieved;
meanwhile, the fluid channel 4 is divided into a plurality of fluid units, so that the corresponding number of fluid units can be selectively used when the device is used (two adjacent fluid units work alternately), the high-efficiency operation of heat exchange and exhaust and improvement of a gas environment is ensured, and meanwhile, the energy is saved.
The utility model has simple structure, can be used for quickly exchanging heat and exhausting air in the subway tunnel, can improve the gas environment in the subway tunnel, ensures the environmental quality in the subway tunnel, and has practical value.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention 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 technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (7)
1. The utility model provides a ventilation heat extraction device in subway tunnel, includes roof (2) that sets up at subway tunnel (1) top, and roof (2) and the top in subway tunnel (1) form fluid passage (4), its characterized in that, the inside equidistance of fluid passage (4) is provided with baffle (3), and baffle (3) are separated fluid passage (4) inside for continuous fluid unit, and the head end that lies in every fluid unit on subway tunnel (1) all is equipped with air intake (5), and the end is equipped with air outlet (6), be equipped with the air inlet subassembly on air intake (5), be equipped with the air-out subassembly on air outlet (6), the lower terminal surface of roof (2) is equipped with guide plate (13) that the slope set up, the position that the lower terminal surface of roof (2) lies in guide plate (13) is equipped with water conservancy diversion hole (14) with the inside intercommunication of fluid passage (4), the guide plate (13) and the guide holes (14) are distributed in an inclined mode, the guide plate (13) and the guide holes (14) are distributed in parallel, and silencing holes (15) are formed in the outer wall of the top plate (2).
2. The ventilation and heat removal device for the subway tunnel according to claim 1, wherein said air intake assembly comprises an air intake dome (7) and an air intake fan (8), said air intake dome (7) is installed outside the subway tunnel (1) and is communicated with the air intake (5), and said air intake fan (8) is installed in said air intake (5).
3. The ventilation and heat removal device for the subway tunnel according to claim 2, wherein said air outlet assembly comprises an air exhaust air guide sleeve (10) and an air exhaust fan (9), said air exhaust air guide sleeve (10) is installed outside the subway tunnel (1) and is communicated with the air outlet (6), and said air exhaust fan (9) is installed in said air outlet (6).
4. A ventilation and heat removal device for a subway tunnel according to claim 3, wherein said exhaust air guide hood (10) is provided with a rotary cover plate (12) at the outlet position, said rotary cover plate (12) is used for closing and opening the outlet of the exhaust air guide hood (10), and a stepping motor (11) for driving the rotary cover plate (12) to rotate is provided on the outer wall of said exhaust air guide hood (10).
5. The ventilation and heat removal device of a subway tunnel according to claim 3, wherein said air intake air guide sleeve (7) and said air exhaust air guide sleeve (10) have curved inner surfaces.
6. A ventilation and heat removal device for a subway tunnel according to claim 4, wherein the angle between the gas flow direction in said diversion holes (14) and the gas flow direction in said fluid passage (4) is acute.
7. A ventilation and heat removal device for a subway tunnel according to claim 1, characterized in that the direction of flow of gas in said fluid passage (4) is the same as the direction of travel of the train in the subway tunnel (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121801041.2U CN216198211U (en) | 2021-08-03 | 2021-08-03 | Ventilation and heat extraction device for subway tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121801041.2U CN216198211U (en) | 2021-08-03 | 2021-08-03 | Ventilation and heat extraction device for subway tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216198211U true CN216198211U (en) | 2022-04-05 |
Family
ID=80895832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121801041.2U Active CN216198211U (en) | 2021-08-03 | 2021-08-03 | Ventilation and heat extraction device for subway tunnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216198211U (en) |
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2021
- 2021-08-03 CN CN202121801041.2U patent/CN216198211U/en active Active
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