CN210348864U - Subway air conditioning system's simulation training set - Google Patents
Subway air conditioning system's simulation training set Download PDFInfo
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- CN210348864U CN210348864U CN201921082168.6U CN201921082168U CN210348864U CN 210348864 U CN210348864 U CN 210348864U CN 201921082168 U CN201921082168 U CN 201921082168U CN 210348864 U CN210348864 U CN 210348864U
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Abstract
The utility model relates to a subway air conditioning system's simulation training set, including the station room and the platform that set gradually from top to bottom, still include new trend well and exhaust well, new trend well all communicates with station room and platform through supply-air duct, the last static pressure case that is provided with of supply-air duct, supply-air duct includes air supply main pipe, supply-air duct first branch pipeline and supply-air duct second branch pipeline, this subway leads to air exhaust simulation training set still includes the air conditioning unit who communicates between new trend well and static pressure case, the evaporimeter of air conditioning unit communicates on the air supply main pipe; the station hall is communicated with a first branch pipeline of an exhaust pipeline, the station is communicated with a second branch pipeline of the exhaust pipeline, the first branch pipeline of the exhaust pipeline and the second branch pipeline of the exhaust pipeline are communicated with the exhaust fan through the same return air pipeline, and the return air pipeline is provided with a return air fan. The subway air conditioning system simulation training device can provide a set of real subway air conditioning system simulation training device for students and training personnel, and has certain guiding significance for actual operation.
Description
Technical Field
The utility model relates to a subway leads to training equipment field of airing exhaust, concretely relates to subway air conditioning system's simulation training set.
Background
At present, a simulation training device is popular in many fields, particularly for some systems with complex pipelines and large volumes, the simulation training device can provide a real simulation opportunity for students, is convenient for understanding the long principle of the whole system, and has certain guiding significance for improving the actual system.
Technical training is generally carried out on managers of subway systems, such as ventilation, exhaust and air conditioning systems in intensive places of staff at platforms and stations, by book theory knowledge training or on-site training and learning. However, the theoretical knowledge of books is tedious and complicated, difficult to understand and not intuitive, and when training and learning on the spot, because the existing subway ventilation and exhaust system is all various pipelines and equipment, the pipeline length is long, the pipeline is complicated, the system is huge, part of pipelines are positioned on the top of a wall or underground, only some display screens, control buttons and the like can be operated and learned, and the structure and the principle of the whole subway air conditioning system cannot be intuitively and detailedly understood.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a can audio-visual understanding subway air conditioning system's simulation training set.
In order to achieve the above object, the utility model discloses a subway air conditioning system's simulation training set adopts following technical scheme: a simulation training device of a subway air conditioning system comprises a station hall and a station platform which are sequentially arranged from top to bottom, a fresh air well and an exhaust well, wherein the fresh air well is communicated with the station hall and the station platform through an air supply pipeline; the station hall intercommunication has the first branch pipeline of exhaust pipe, and the platform intercommunication has the second branch pipeline of exhaust pipe, and the first branch pipeline of exhaust pipe and the second branch pipeline of exhaust pipe communicate with the exhaust fan through same return air duct, are provided with the return air fan on the return air duct.
An air mixing chamber is arranged between the fresh air well and an evaporator of the air conditioning unit on the air supply main pipeline, an intermediate pipeline is arranged between the air return pipeline and the air mixing chamber for communication, the communication position of the intermediate pipeline and the air return pipeline is positioned at the downstream of the air return fan, and a fifth valve is arranged on the intermediate pipeline.
The utility model has the advantages that: when cold air needs to be conveyed to the station hall and the station platform in summer, the air in the fresh air shaft enters an evaporator of the air conditioning unit 12 for heat exchange, and then the cold air enters the static pressure box through the main air supply pipeline and is conveyed to the station hall and the station platform through the first branch pipeline and the second branch pipeline of the air supply pipeline respectively; and simultaneously, the return air fan is turned on, and hot air in the station hall and the station platform is discharged by the first branch pipeline of the return air pipeline and the second branch pipeline of the exhaust air pipeline. The subway air conditioning system simulation training device can provide a set of real subway air conditioning system simulation training device for students and training personnel, and has certain guiding significance for actual operation.
Furthermore, as the temperature in the station hall and the station platform is reduced, the fifth valve is selectively opened, so that the air with the reduced temperature discharged from the station hall and the station platform enters the air mixing chamber and then enters the air conditioning unit and subsequent circulation, and the energy is saved and the emission is reduced.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of a simulated training device of a subway air conditioning system according to the present invention;
wherein, 1, a fresh air shaft; 2, an air exhaust shaft; 3, a station hall; 4, a platform; 5, a main air supply pipeline; 6, a first branch pipeline of the air supply pipeline; 7, a second branch pipeline of the air supply pipeline; 8, a main exhaust pipeline; 9, a first branch pipeline of the exhaust pipeline; 10 a second branch pipeline of the exhaust pipeline; 11 static pressure box; 12 an air conditioning unit; 13 air mixing chamber; 14 fresh air fan; 15 air exhaust fan; 16 return air fans; 17 is communicated with the pipeline; 18 a first valve; 19 a second valve; 20 a third valve; 21 a fourth valve; 22 a fifth valve; 23 a sixth valve; 24 a seventh valve; 25 a fresh air valve; 26 an exhaust valve; 27 return air ducts; 28 a first connection section; 29 a second connection section; 31 an intermediate conduit; 32 a first automatic smoke and fire prevention valve; 33 a second automatic smoke and fire prevention valve; 34 a first electrically powered smoke evacuation fire damper; 35 second electric smoke exhaust fire prevention valve.
Detailed Description
The utility model discloses an embodiment of subway air conditioning system's simulation training set, as shown in fig. 1, including station room 3 and the platform 4 that set gradually from top to bottom, station room and platform adopt sealed box, still include new trend well 1 and air exhaust well 2, and new trend well 1 and air exhaust well 2 adopt metal pipeline. The fresh air shaft 1 is communicated with the station hall and the station platform through an air supply pipeline, the static pressure box 11 is arranged on the air supply pipeline, the air supply pipeline comprises an air supply main pipeline 5 communicated with the fresh air shaft and the static pressure box, and a fresh air fan 14 and a fresh air valve 25 are arranged on the air supply main pipeline 5. The air supply pipeline also comprises an air supply pipeline first branch pipeline 6 for communicating the static pressure box 11 with the station hall 3 and an air supply pipeline second branch pipeline 7 for communicating the static pressure box with the station. The exhaust shaft 2 is communicated with the station hall and the station through an exhaust pipeline, the exhaust pipeline comprises an exhaust main pipeline 8 communicated with the exhaust shaft 2, the station hall 3 is communicated with the exhaust main pipeline 8 through an exhaust pipeline first branch pipeline 9, the station 4 is communicated with the exhaust main pipeline 8 through an exhaust pipeline second branch pipeline 10, and an exhaust fan 15 and an exhaust valve 26 are arranged on the exhaust main pipeline 8. Each sealed box body is provided with an air supply diffuser for fresh air to enter and an air exhaust diffuser for foul air to exhaust, and the air supply diffuser and the air exhaust diffuser simulate an air inlet and an air outlet in a subway station hall and a subway station platform.
A communicating pipeline 17 is arranged between the first branch pipeline 6 of the air supply pipeline and the first branch pipeline 9 of the exhaust pipeline, and a first valve 18 is arranged on the communicating pipeline 17, so that the air quantity conveyed to the station hall can be adjusted. Since the personnel on the platform are denser than those in the station hall, the first branch pipeline 6 of the air supply pipeline is provided with a second valve 19, and the arrangement of the second valve 19 can realize independent air supply to the platform. The fresh air valve 25, the first valve 18 and the second valve 19 are all electric regulating valves, and can be electrically controlled to realize opening, closing and opening regulation. New trend well 1 and exhaust shaft 2 adopt one end open-ended tubular metal resonator, and supply-air duct and exhaust duct all adopt the transparent pipe that transparent material made, and tubular metal resonator one end opening is convenient for provide the new trend (for example adopt red sign) behind the colour sign in the new trend well, and supply-air duct and exhaust duct all adopt the transparent pipe, are convenient for demonstrate gaseous flow direction and the flow direction in whole logical, exhaust system to the student, and are more directly perceived.
In order to truly simulate the operation of air conditioners in the subway, the simulation training device of the subway air conditioning system further comprises an air conditioning unit 12 communicated between a fresh air well and the static pressure box, and an evaporator of the air conditioning unit 12 is communicated with the main air supply pipeline 5. An air mixing chamber 13 is arranged between the fresh air well and the air conditioning unit on the main air supply pipeline 5. The main air supply pipeline comprises a first connecting section 28 for communicating the fresh air shaft with the air mixing chamber, and further comprises a second connecting section 29 for communicating the fresh air fan with the air mixing chamber, the fresh air fan 14 and the fresh air valve 25 are both arranged on the first connecting section 28, and the second connecting section is provided with a third valve 20. The simulation training device of the subway air conditioning system further comprises a return air pipeline 27 which is communicated with the air exhaust shaft 2 and the station hall as well as the air exhaust shaft and the platform, wherein the return air pipeline 27 is communicated with the first exhaust pipeline 9 and the second exhaust pipeline 10 through a tee joint, namely the return air pipeline and the main exhaust pipeline share the same first exhaust pipeline branch and the same second exhaust pipeline branch. The main air supply pipeline communicated between the static pressure box 11 and the air conditioning unit 12 is provided with a seventh valve 24, and the return air pipeline and the main air exhaust pipeline are arranged in parallel in the embodiment. The return air duct 27 is provided with a return air blower 16 and a fourth valve 21.
An intermediate pipeline 31 is arranged between the air return pipeline and the air mixing chamber for communication, the communication position of the intermediate pipeline and the air return pipeline is positioned at the downstream of the fourth valve and the air return fan, and the fifth valve 22 is arranged on the intermediate pipeline for communication, so that the low-temperature foul air discharged from a station hall and a station can partially or completely re-enter the air mixing chamber for cyclic utilization, energy conservation and emission reduction. A sixth valve 23 is arranged on the downstream of the joint of the middle pipeline and the return air pipeline on the return air pipeline. The third valve 20, the fourth valve 21, the fifth valve 22, the sixth valve 23 and the seventh valve 24 are all electric regulating valves, and can be electrically controlled to realize opening, closing and opening regulation.
Be provided with first automatic smoke protection fire prevention valve 32 on the first pipeline of supply air duct 6, supply air duct second pipeline 7 is provided with the automatic smoke protection fire prevention valve 33 of second, and automatic smoke protection fire prevention valve is prior art, normally opens at ordinary times, adopts 70 ℃'s automatic smoke protection fire prevention valve promptly to embed the probe that melting temperature is 70 ℃, and this valve self-closing when the temperature reaches 70 ℃ and above. When a fire disaster occurs in a station hall or a station platform, the first branch pipeline and the second branch pipeline of the air supply pipeline can be automatically closed, so that fresh air is prevented from entering and providing oxygen, and the fire is prevented from further expanding. The first branch pipeline 9 of the exhaust pipeline is provided with a first electric smoke exhaust fire valve 34, the second branch pipeline 10 of the exhaust pipeline is provided with a second electric smoke exhaust fire valve 35, the electric smoke exhaust fire valve is also the prior art, a smoke exhaust fire valve of 280 ℃ is adopted, the electric smoke exhaust fire valve is normally closed at ordinary times, the electric smoke exhaust fire valve can be opened under electric control, and can also be automatically opened when smoke reaches certain concentration or is in fire, and the electric smoke exhaust fire valve is automatically closed when the smoke temperature reaches 280 ℃. When a fire disaster occurs in a station hall or a station platform, the escape time of people in the station hall and the station hall can be prolonged by opening the first electric smoke exhaust fire damper and the second electric smoke exhaust fire damper to exhaust smoke outwards, and when the fire disaster enters the first branch pipeline and the second branch pipeline of the exhaust pipeline, the fusing temperature of the electric smoke exhaust fire damper reaches 280 ℃, the electric smoke exhaust fire damper is fused to close the first branch pipeline and the second branch pipeline of the exhaust pipeline, so that the fire disaster is prevented from spreading outwards, and the fire disaster is controlled. The automatic smoke-proof fire-proof valve and the electric smoke-discharging fire-proof valve are both in the prior art, and the specific structure thereof is not described in detail herein. The exhaust valve adopts an electric smoke exhaust fire-proof valve and can be opened by electric control. The return air duct, the communicating duct and the intermediate duct all adopt transparent pipes in this embodiment.
The utility model discloses a working process does:
1) when fresh air needs to be conveyed into the station hall 3 and the station platform 4, the fresh air fan 14 is started, the fresh air valve 25, the seventh valve 24 and the second valve 19 are opened, the first automatic smoke-proof fire-proof valve 32 and the second automatic smoke-proof fire-proof valve 33 are normally opened, outdoor fresh air is conveyed into the station hall and the station platform, and sufficient fresh air is provided; and simultaneously, starting the exhaust fan 15, opening the first electric smoke exhaust fire-proof valve 34, the second electric smoke exhaust fire-proof valve 35 and the exhaust valve 26, and beating dirty air in the station hall and the station platform to the outside through the exhaust shaft to finish the ventilation and exhaust processes. The fifth valve 22 and the fourth valve 21 are closed during the air supply and exhaust process.
2) When the station hall and the station platform need air conditioning and cooling in summer, the fresh air fan 14 and the fresh air valve 25 are closed, the smoke exhaust fan 15 is closed, the exhaust valve 26 is normally closed, the third valve 20 is opened, the air conditioning unit 12 is started, the seventh valve 24 and the second valve 19 are opened, the first automatic smoke-proof fire-proof valve 32 and the second automatic smoke-proof fire-proof valve 33 are normally opened, and cold air is conveyed into the exhibition hall and the station platform; the return air fan 16 is started, the first electric smoke-discharging fire-proof valve 34, the second electric smoke-discharging fire-proof valve 35, the fourth valve 21 and the sixth valve 23 are opened, hot air in the station hall and the station platform is discharged, the fifth valve 22 is selectively opened along with temperature reduction in the station hall and the station platform, air with reduced temperature discharged in the station hall and the station platform can enter the air mixing chamber to enter the air conditioning unit and follow-up circulation, energy conservation and emission reduction are achieved, and the opening proportion of the sixth valve 23 and the third valve 20 is controlled at the moment.
3) When a fire disaster occurs in the station hall 3 and the station platform 4, when smoke enters the first branch pipeline 6 and the second branch pipeline 7 of the air supply pipeline and the temperature reaches 70 ℃, the first automatic smoke-proof fire-proof valve 32 and the second automatic smoke-proof fire-proof valve 33 are automatically closed, and the situation that fresh air enters and increases the fire is avoided. When fire disaster occurs and smoke needs to be discharged, the air return fan 16 and the air exhaust fan 15 are started, the sixth valve 23, the fourth valve 21, the air exhaust valve 26, the first valve 18, the first electric smoke discharge fireproof valve 34 and the second electric smoke discharge fireproof valve 35 are opened, the fifth valve 22 is closed, smoke in the station hall and the station platform is discharged, and enough escape time is reserved for the station platform and people in the station hall. When the fire spreads to the first branch duct 9 and the second branch duct 10 of the exhaust duct and the temperature reaches 280 ℃, the first electric smoke exhaust fire damper 34 and the second electric smoke exhaust fire damper 35 are automatically closed to block the fire and prevent the fire from spreading outwards.
Claims (2)
1. The utility model provides a subway air conditioning system's simulation training set which characterized in that: the subway ventilation and exhaust simulation training device comprises a station hall and a station platform which are sequentially arranged from top to bottom, and further comprises a fresh air shaft and an exhaust air shaft, wherein the fresh air shaft is communicated with the station hall and the station platform through an air supply pipeline, a static pressure box is arranged on the air supply pipeline, the air supply pipeline comprises an air supply main pipeline communicated with the fresh air shaft and the static pressure box, the air supply pipeline further comprises an air supply pipeline first branch pipeline communicated with the static pressure box and the station hall and an air supply pipeline second branch pipeline communicated with the static pressure box and the station platform, the subway ventilation and exhaust simulation training device further comprises an air conditioning unit communicated between the fresh air shaft and the static pressure box, and an evaporator of the; the station hall intercommunication has the first branch pipeline of exhaust pipe, and the platform intercommunication has the second branch pipeline of exhaust pipe, and the first branch pipeline of exhaust pipe and the second branch pipeline of exhaust pipe communicate with the exhaust fan through same return air duct, are provided with the return air fan on the return air duct.
2. The simulated training device of the subway air conditioning system as claimed in claim 1, wherein: an air mixing chamber is arranged between the fresh air well and an evaporator of the air conditioning unit on the air supply main pipeline, an intermediate pipeline is arranged between the air return pipeline and the air mixing chamber for communication, the communication position of the intermediate pipeline and the air return pipeline is positioned at the downstream of the air return fan, and a fifth valve is arranged on the intermediate pipeline.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921082168.6U CN210348864U (en) | 2019-07-11 | 2019-07-11 | Subway air conditioning system's simulation training set |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921082168.6U CN210348864U (en) | 2019-07-11 | 2019-07-11 | Subway air conditioning system's simulation training set |
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| CN210348864U true CN210348864U (en) | 2020-04-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110223562A (en) * | 2019-07-11 | 2019-09-10 | 河南太宇机电工程有限公司 | A kind of analog training device of subway system fire prevention |
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2019
- 2019-07-11 CN CN201921082168.6U patent/CN210348864U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110223562A (en) * | 2019-07-11 | 2019-09-10 | 河南太宇机电工程有限公司 | A kind of analog training device of subway system fire prevention |
| CN110223562B (en) * | 2019-07-11 | 2024-05-24 | 河南太宇机电工程有限公司 | Simulation training device for subway system fire prevention |
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