Ventilation and air conditioning device for subway station

Abstract

The utility model discloses a subway station ventilation air-conditioning device which comprises a public area ventilation device, an equipment area air-conditioning device and an equipment area standby air-conditioning device, and the public area ventilation device comprises a public area fresh air duct for supplying air and a public area exhaust duct for exhausting air and smoke. The equipment area air conditioner device comprises an equipment area air conditioner air supply pipeline for supplying air and an equipment area air conditioner air exhaust pipeline for exhausting air and smoke, and the equipment area standby air conditioner device is arranged in the equipment area. According to the utility model, the use of a traditional combined air conditioning unit is eliminated, the occupied area of the environmental control machine room is greatly reduced, civil engineering and equipment investment is saved, and operation management is facilitated. According to the utility model, the standby air-conditioning system in the equipment area is fully utilized, and the utilization rate of equipment is improved. The system is beneficial to energy-saving management, and overcomes the defects of energy consumption, large occupied area, low utilization rate of standby system equipment and the like in the traditional technical scheme.

Description

Technical Field

[0001] The utility model belongs to the technical field of urban rail transit ventilation and air conditioning, and particularly relates to a ventilation and air conditioning device for a subway station. Background Art

[0002] The traditional design scheme of the air conditioning system in the public area of the station is a fully-air once-return air conditioning system, which mainly consists of a packaged air handling unit, a fresh air unit, a return and exhaust fan, and a smoke exhaust fan. The design scheme of the air conditioning system in the equipment area of the station is a fully-air once-return air conditioning system, which mainly consists of an air handling unit and a return and exhaust fan. At the same time, the equipment area air conditioning system is equipped with a multi-split air conditioning system, which mainly consists of a multi-split air conditioning outdoor unit and indoor units. The following problems exist in this design scheme:

[0003] Firstly, both the fully-air once-return air conditioning system and the standby multi-split air conditioning system are considered in the equipment area at the same time. Under normal circumstances, the fully-air once-return air conditioning system is turned on, and the standby multi-split air conditioning system is in an idle state, with low utilization rate.

[0004] Secondly, the packaged air handling unit serving the public area occupies a large area, which is the main factor leading to the large area of the environmental control machine room and is not conducive to saving investment.

[0005] Thirdly, the packaged air handling unit serving the public area often operates at a low load, which is not conducive to energy conservation.

[0006] In view of the above problems, it is urgent to develop a feasible, reliable and economical design scheme for urban rail transit ventilation and air conditioning, which has important value and significance for the construction and operation of urban rail transit. Summary of the Invention

[0007] The utility model is proposed to solve the problems existing in the prior art, and its purpose is to provide a ventilation and air conditioning device for a subway station.

[0008] The technical solution of the utility model is: a ventilation and air conditioning device for a subway station, including a public area ventilation device, an equipment area air conditioning device, and an equipment area standby air conditioning device. The public area ventilation device includes a public area fresh air duct for supplying air to the public area and a public area exhaust duct for exhausting and removing smoke from the public area. The equipment area air conditioning device includes an equipment area air conditioning supply duct for supplying air to the equipment area and an equipment area air conditioning exhaust duct for exhausting and removing smoke from the equipment area. The equipment area standby air conditioning device is arranged in the equipment area.

[0009] Furthermore, the public area includes a concourse public area and a platform public area.

[0010] Furthermore, the fresh air duct in the public area includes a concourse fresh air duct located in the concourse public area and a platform fresh air duct located in the platform public area. Air supply outlets are provided in both the concourse fresh air duct and the platform fresh air duct.

[0011] Furthermore, the concourse fresh air duct and the platform fresh air duct are connected in parallel to the first fresh air branch. The first fresh air branch passes through the environmental control room and the equipment area. A supply fan SF-A1 is provided in the first fresh air branch, and the supply fan SF-A1 is arranged in the environmental control room.

[0012] Furthermore, the exhaust duct in the public area includes a concourse exhaust duct located in the concourse public area and a platform exhaust duct located in the platform public area. Exhaust outlets are provided in both the concourse exhaust duct and the platform exhaust duct.

[0013] Furthermore, the concourse exhaust duct and the platform exhaust duct are connected in parallel to the first exhaust branch. The first exhaust branch passes through the environmental control room and the equipment area. An exhaust and smoke extraction fan PF / PY-A1 is provided in the first exhaust branch, and the exhaust and smoke extraction fan PF / PY-A1 is arranged in the environmental control room.

[0014] Furthermore, the air supply duct for air conditioning in the equipment area is arranged in the environmental control room and the equipment area, and the air supply duct for air conditioning in the equipment area is connected in parallel with the first fresh air branch.

[0015] Furthermore, the air exhaust duct for air conditioning in the equipment area is arranged in the environmental control room and the equipment area, and the air exhaust duct for air conditioning in the equipment area is connected in parallel with the first exhaust branch.

[0016] Furthermore, an electric air volume regulating valve DT-A7 for connecting the two is also provided between the air supply duct for air conditioning in the equipment area and the first fresh air branch.

[0017] The beneficial effects of the present utility model are as follows:

[0018] The present utility model cancels the use of the traditional combined air handling unit, greatly reduces the floor area of the environmental control room, saves civil engineering and equipment investment, and facilitates operation and management.

[0019] The present utility model makes full use of the standby air conditioning system in the equipment area and improves the utilization rate of the equipment.

[0020] The present utility model is also beneficial to energy-saving management and solves the disadvantages of the traditional technical solution such as high energy consumption, large floor area, and low utilization rate of the standby system equipment. Description of the Drawings

[0021] Figure 1 is a schematic structural diagram of the present utility model;

[0022] Wherein:

[0023] 1 Fresh air shaft 2 Exhaust air shaft

[0024] 3 Environmental control room 4 Equipment area

[0025] 5 Concourse public area 6 Platform public area

[0026] 7 Entrance / exit 8 Air supply outlet

[0027] 9 Exhaust air outlet

[0028] Air supply fan SF-A1 Exhaust and smoke exhaust fan PF / PY-A1

[0029] Air conditioning unit KT-A1 Exhaust fan PF-A1

[0030] Silencer XSQ-A1~XSQ-A6

[0031] Electric air volume regulating valve DT-A1~A11

[0032] VRF outdoor unit DLW-A1

[0033] VRF indoor units DLN-A1~DLN-A3. Detailed implementation manners

[0034] Hereinafter, the present utility model will be described in detail with reference to the accompanying drawings and embodiments:

[0035] As Figure 1 shown, a ventilation and air conditioning device for a subway station includes a public area ventilation device, an equipment area air conditioning device, and an equipment area standby air conditioning device. The public area ventilation device includes a public area fresh air duct for supplying air to the public area and a public area exhaust duct for exhausting and removing smoke from the public area. The equipment area air conditioning device includes an equipment area air supply duct for supplying air to the equipment area 4 and an equipment area air exhaust duct for exhausting and removing smoke from the equipment area 4. The equipment area standby air conditioning device is arranged in the equipment area 4.

[0036] The public area includes a concourse public area 5 and a platform public area 6.

[0037] The public area fresh air duct includes a concourse fresh air duct located in the concourse public area 5 and a platform fresh air duct located in the platform public area 6. Air supply outlets 8 are arranged in both the concourse fresh air duct and the platform fresh air duct.

[0038] The concourse fresh air duct and the platform fresh air duct are connected in parallel to a first fresh air branch. The first fresh air branch passes through the environmental control room 3 and the equipment area 4. An air supply fan SF-A1 is arranged in the first fresh air branch, and the air supply fan SF-A1 is arranged in the environmental control room 3.

[0039] The public area exhaust air duct includes a concourse exhaust air duct located in the concourse public area 5 and a platform exhaust air duct located in the platform public area 6. Exhaust air outlets 9 are provided in both the concourse exhaust air duct and the platform exhaust air duct.

[0040] The concourse exhaust air duct and the platform exhaust air duct are connected in parallel to the first exhaust air branch. The first exhaust air branch passes through the environmental control room 3 and the equipment area 4. An exhaust and smoke extraction fan PF / PY-A1 is provided in the first exhaust air branch, and the exhaust and smoke extraction fan PF / PY-A1 is arranged in the environmental control room 3.

[0041] The equipment area air conditioning supply air duct is arranged in the environmental control room 3 and the equipment area 4, and the equipment area air conditioning supply air duct is connected in parallel with the first fresh air branch.

[0042] The equipment area air conditioning exhaust air duct is arranged in the environmental control room 3 and the equipment area 4, and the equipment area air conditioning exhaust air duct is connected in parallel with the first exhaust air branch.

[0043] An electric air volume regulating valve DT-A7 for connecting the two is also provided between the equipment area air conditioning supply air duct and the first fresh air branch.

[0044] Specifically, an electric air volume regulating valve DT-A6 for connecting the two is also provided between the equipment area air conditioning exhaust air duct and the first exhaust air branch.

[0045] Specifically, the equipment area air conditioning supply air duct and the first fresh air branch are connected in parallel to the fresh air shaft 1, and a muffler XSQ-A2 is provided at the fresh air shaft 1.

[0046] Specifically, the equipment area air conditioning exhaust air duct and the first exhaust air branch are connected in parallel to the exhaust air shaft 2, and a muffler XSQ-A1 is provided at the exhaust air shaft 2.

[0047] Specifically, for the connection description of the public area fresh air duct, an electric air volume regulating valve DT-A2 and a muffler XSQ-A4 are also provided in the first fresh air branch. The electric air volume regulating valve DT-A2 and the muffler XSQ-A4 are located in the environmental control room 3, and the electric air volume regulating valve DT-A2 and the muffler XSQ-A4 are located on both sides of the air supply fan SF-A1.

[0048] Combined with the connection description of the equipment area air conditioning supply air duct, an electric air volume regulating valve DT-A3, an air handling unit KT-A1, and a muffler XSQ-A5 are provided in the equipment area air conditioning supply air duct. The electric air volume regulating valve DT-A3, the air handling unit KT-A1, and the muffler XSQ-A5 are located in the environmental control room 3.

[0049] Specifically, a bypass duct is provided between the first fresh air branch and the air supply duct of the equipment area air conditioner. An electric air volume regulating valve DT-A7 is provided in the bypass duct, and the electric air volume regulating valve DT-A7 is connected to one end of a muffler XSQ-A4 and a muffler XSQ-A5.

[0050] Specifically, an electric air volume regulating valve DT-A9 is also provided in the air supply duct of the equipment area air conditioner, and the electric air volume regulating valve DT-A9 is located in the equipment area 4.

[0051] Specifically, the connection of the public area exhaust air duct is described. An electric air volume regulating valve DT-A1 and a muffler XSQ-A3 are provided in the public area exhaust air duct. The electric air volume regulating valve DT-A1 and the muffler XSQ-A3 are located on both sides of the exhaust and smoke exhaust fan PF / PY-A1, and the electric air volume regulating valve DT-A1 and the muffler XSQ-A3 are located in the environmental control room 3.

[0052] Combined with the connection description of the equipment area air conditioner exhaust air duct, an electric air volume regulating valve DT-A5, an exhaust fan PF-A1, a muffler XSQ-A6, and an electric air volume regulating valve DT-A8 are provided in the equipment area air conditioner exhaust air duct. The electric air volume regulating valve DT-A5, the exhaust fan PF-A1, and the muffler XSQ-A6 are located in the environmental control room 3, and the electric air volume regulating valve DT-A8 is located in the equipment area 4.

[0053] Specifically, a bypass duct is provided between the equipment area air conditioner exhaust air duct and the first exhaust air branch. An electric air volume regulating valve DT-A6 is provided in the bypass duct, and the electric air volume regulating valve DT-A6 is connected to one end of a muffler XSQ-A3 and a muffler XSQ-A6.

[0054] Specifically, a bypass duct is provided between the equipment area air conditioner air supply duct and the equipment area air conditioner exhaust air duct. An electric air volume regulating valve DT-A4 is provided in the bypass duct.

[0055] Specifically, an entrance / exit 7 is provided in the station hall public area 5.

[0056] Specifically, the electric air volume regulating valve includes a regulating electric air volume regulating valve for regulating the air duct and a interlocking electric air volume regulating valve for interlocking control.

[0057] Specifically, the interlocking electric air volume regulating valve includes an electric air volume regulating valve DT-A1 and an electric air volume regulating valve DT-A2.

[0058] Specifically, the adjustable electric air volume regulating valves include electric air volume regulating valve DT-A3, electric air volume regulating valve DT-A4, electric air volume regulating valve DT-A5, electric air volume regulating valve DT-A6, electric air volume regulating valve DT-A7, electric air volume regulating valve DT-A8, electric air volume regulating valve DT-A9, electric air volume regulating valve DT-A10, and electric air volume regulating valve DT-A11.

[0059] Specifically, the electric air volume regulating valve DT-A1 is interlocked with the exhaust and smoke exhaust fan PF / PY-A1, and the electric air volume regulating valve DT-A2 is interlocked with the supply fan SF-A1. That is, when starting, the fan is turned on after the electric air volume regulating valve is fully opened, and when shutting down, the electric air volume regulating valve and the fan are shut down simultaneously.

[0060] Specifically, mufflers are also provided in the public area ventilation device and the equipment area air conditioning device. The mufflers include mufflers XSQ-A1 to XSQ-A6. The mufflers XSQ-A1 to XSQ-A6 are used for muffling vibration equipment such as fans and air conditioning units to meet the requirements of codes and environmental impact assessments for noise.

[0061] More specifically, the muffler XSQ-A1 is arranged at a position close to the exhaust shaft 2 in the exhaust air duct, and the muffler XSQ-A2 is arranged at a position close to the fresh air shaft 1 in the fresh air duct.

[0062] More specifically, mufflers XSQ-A3, XSQ-A4, XSQ-A5, and XSQ-A6 are provided in the environmental control room 3. The muffler XSQ-A3 is connected to the exhaust and smoke exhaust fan PF / PY-A1, the muffler XSQ-A4 is connected to the supply fan SF-A1, the muffler XSQ-A5 is connected to the air conditioning unit KT-A1, and the muffler XSQ-A6 is connected to the exhaust fan PF-A1.

[0063] Specifically, the standby air conditioning device in the equipment area consists of multi-split air conditioner indoor units DLN-A1 to DLN-A3 and an outdoor unit DLW-A1. The multi-split indoor units DLN-A1 to DLN-A3 are arranged according to the room conditions, and the outdoor unit DLW-A1 is arranged in an open and ventilated outdoor area. When the air conditioning unit KT-A1 system cannot be started, the standby air conditioning device in the equipment area is turned on.

[0064] A ventilation method for a ventilation and air conditioning device of a subway station includes the following steps:

[0065] A. Make a seasonal judgment by combining temperature, humidity, and time;

[0066] B. When the judgment result is summer, start the summer air conditioning operation mode;

[0067] C. When the judgment result is the transitional season, start the ventilation operation mode for the transitional season;

[0068] D. When the judgment result is winter, start the fresh air operation mode for winter;

[0069] E. Conduct a fire scenario judgment;

[0070] F. When there is a fire in the public area 5 of the concourse, conduct the fire operation mode for the public area 5 of the concourse;

[0071] G. When there is a fire in the public area 6 of the platform, conduct the fire operation mode for the public area 6 of the platform.

[0072] Specifically, when the judgment result in step B is summer, start the summer air-conditioning operation mode, and the specific process is as follows:

[0073] First, turn on the air-conditioning unit KT-A1 and the exhaust fan PF-A1 in the equipment area;

[0074] Then, turn on the electric air volume regulating valves DT-A3, DT-A4, DT-A6, DT-A7, DT-A10, and DT-A11;

[0075] Next, turn off the supply fan SF-A1 and the exhaust and smoke exhaust fan PF / PY-A1;

[0076] Next, turn off the electric air volume regulating valves DT-A1, DT-A2, DT-A5, DT-A8, and DT-A9 to provide air-conditioning services for the public area;

[0077] Finally, turn on the standby air-conditioning system in the equipment area, that is, turn on the multi-connected air-conditioning outdoor unit DLW-A1 and the indoor units DLN-A1~DLN-A3 to provide air-conditioning services for the equipment area and improve the utilization rate of the standby air-conditioning system.

[0078] Specifically, when the judgment result in step C is the transitional season, start the ventilation operation mode for the transitional season, and the specific process is as follows:

[0079] First, turn on the supply fan SF-A1 and the exhaust and smoke exhaust fan PF / PY-A1;

[0080] Then, turn on the electric air volume regulating valves DT-A1, DT-A2, DT-A10, and DT-A11;

[0081] Next, turn off the electric air volume regulating valves DT-A6 and DT-A7 to provide ventilation services for the public area;

[0082] Finally, turn on the air conditioning unit KT-A1 and the exhaust fan PF-A1. Open the electric air volume regulating valves DT-A3, DT-A5, DT-A8, and DT-A9, and close the electric air volume regulating valve DT-A4 to provide ventilation services for the equipment area. At this time, the air conditioning unit KT-A1 only realizes the air supply function.

[0083] Specifically, when the result of step D is winter, start the winter fresh air operation mode, and the specific process is as follows:

[0084] First, turn on the supply fan SF-A1 and open the electric air volume regulating valve DT-A2;

[0085] Then, turn off the exhaust and smoke exhaust fan PF / PY-A1, and close the electric air volume regulating valves DT-A1, DT-A6, DT-A7, DT-A10, and DT-A11 to provide fresh air services for the public area. At this time, the supply fan SF-A1 operates in variable frequency to meet the fresh air demand of the personnel in the public area;

[0086] Finally, turn on the air conditioning unit KT-A1 and the exhaust fan PF-A1. Open the electric air volume regulating valves DT-A3, DT-A5, DT-A8, and DT-A9, and close the electric air volume regulating valve DT-A4 to provide ventilation services for the equipment area. At this time, the air conditioning unit KT-A1 only realizes the air supply function.

[0087] Specifically, when there is a fire in the concourse public area 5 in step F, carry out the fire operation mode for the concourse public area 5, and the specific process is as follows:

[0088] Turn on the exhaust and smoke exhaust fan PF / PY-A1, and open the electric air volume regulating valves DT-A1 and DT-A11. All other equipment and electric air volume regulating valves are closed to provide smoke exhaust services for the concourse public area, and make-up air is provided at the entrance 7 of the station.

[0089] Specifically, when there is a fire in the platform public area 6 in step G, carry out the fire operation mode for the platform public area 6, and the specific process is as follows:

[0090] Turn on the exhaust and smoke exhaust fan PF / PY-A1, and open the electric air volume regulating valves DT-A1 and DT-A10. All other equipment and electric air volume regulating valves are closed to provide smoke exhaust services for the platform public area. At the same time, turn on the tunnel fan of the station for auxiliary smoke exhaust, and make-up air is provided at the entrance 7 of the station.

[0091] The utility model cancels the use of the traditional combined air conditioning unit, greatly reduces the floor area of the environmental control machine room, saves the civil engineering and equipment investment, and is convenient for operation and management.

[0092] The utility model makes full use of the standby air-conditioning system in the equipment area, improving the utilization rate of the equipment.

[0093] The utility model is also beneficial to energy-saving management, solving the disadvantages of the traditional technical solution such as high energy consumption, large floor area, and low utilization rate of standby system equipment.

Claims

1. A subway station ventilation and air conditioning device, comprising a public area ventilation device, an equipment area air conditioning device, and an equipment area standby air conditioning device, characterized in that: The public area ventilation device comprises a public area fresh air duct for supplying air to the public area and a public area exhaust duct for exhausting air and smoke from the public area. The equipment area air conditioning device comprises an equipment area air conditioning supply duct for supplying air to the equipment area (4) and an equipment area air conditioning exhaust duct for exhausting air and smoke from the equipment area (4). The equipment area standby air conditioning device is arranged in the equipment area (4).

2. A subway station ventilation and air conditioning device according to claim 1, characterized in that: The public area includes a station hall public area (5) and a platform public area (6).

3. A subway station ventilation and air conditioning device according to claim 2, characterized in that: The public area fresh air duct comprises a station hall fresh air duct located in the station hall public area (5) and a platform fresh air duct located in the platform public area (6), and both the station hall fresh air duct and the platform fresh air duct are provided with air supply outlets (8).

4. A subway station ventilation and air conditioning device according to claim 3, characterized in that: The station hall fresh air duct and the platform fresh air duct are connected in parallel to a first fresh air branch, the first fresh air branch passes through an environmental control room (3) and an equipment area (4), and an air supply fan SF-A1 is provided in the first fresh air branch, and the air supply fan SF-A1 is provided in the environmental control room (3).

5. A subway station ventilation and air conditioning device according to claim 4, characterized in that: The public area exhaust duct comprises a station hall exhaust duct located in the station hall public area (5) and a platform exhaust duct located in the platform public area (6), and both the station hall exhaust duct and the platform exhaust duct are provided with exhaust outlets (9).

6. A subway station ventilation and air conditioning device according to claim 5, characterized in that: The station hall exhaust duct and the platform exhaust duct are connected in parallel to a first exhaust branch, the first exhaust branch passes through an environmental control room (3) and an equipment area (4), an exhaust and smoke exhaust fan PF / PY-A1 is provided in the first exhaust branch, and the exhaust and smoke exhaust fan PF / PY-A1 is provided in the environmental control room (3).

7. A subway station ventilation and air conditioning device according to claim 6, characterized in that: The equipment area air conditioning air supply duct is arranged in the environmental control room (3) and the equipment area (4), and the equipment area air conditioning air supply duct is connected in parallel with the first fresh air branch.

8. A subway station ventilation and air conditioning device according to claim 7, characterized in that: The equipment area air conditioning exhaust duct is arranged in the environmental control room (3) and the equipment area (4), and the equipment area air conditioning exhaust duct is connected in parallel with the first exhaust branch.

9. A subway station ventilation and air conditioning device according to claim 8, characterized in that: An electric air volume regulating valve DT-A7 connecting the equipment area air conditioning air supply duct and the first fresh air branch is also provided between the two.

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