CN217685537U - Multifunctional air handling unit for passageway of subway station entrance and exit - Google Patents

Abstract

The utility model discloses a multi-functional air handling unit of subway station access & exit passageway can satisfy subway station air conditioner cooling, air curtain and cut off and ventilation. The air handling unit consists of a plurality of horizontal modular air conditioning air supply units arranged in a suspended ceiling channel at an entrance and an exit of a subway; the single horizontal modular air-conditioning air supply unit comprises an outer shell on a suspended ceiling channel of a subway entrance and exit, an air inlet pipe arranged at one end, facing the subway entrance and exit, of the outer shell, a partition plate arranged in the outer shell, a unit return air channel arranged above the partition plate, an air inlet arranged at one side, facing a station hall, of the outer shell and communicated with the unit return air channel, a fan arranged in the outer shell below the partition plate, a nozzle, a plurality of strip seam nozzles and corresponding electric air valves. Utilize the utility model discloses a total distribution power of air handling unit and the combined air conditioner that generally sets up the tuber pipe at present reduce greatly, consequently, the operating cost of non-air conditioner season ventilation air conditioning system can effectively be saved to this scheme.

Description

Multifunctional air handling unit for passageway of subway station entrance and exit

Technical Field

The utility model relates to a, specifically speaking relates to a multi-functional air treatment unit of subway station access & exit passageway.

Background

At present, in a room provided with an air conditioning system, in order to save energy and reduce energy consumption, an air conditioning area is generally required to be relatively closed. Except that the subway passageway should possess good indoor outer air isolation ability in air conditioner season, meet passenger flow peak and when conflagration, can not have the barrier in the passageway and influence the trafficability, in addition the curtain arouses disease propagation easily, consequently only can adopt the air curtain to reduce the station volume of leaking wind. However, due to the piston wind effect of the train, the conventional air curtain machine installed only by the passageway of the entrance cannot achieve the purpose of effectively isolating the indoor and outdoor air.

The air handling capacity of the subway station is large, the passageway of the entrance and the exit of the subway station is long, the combined air conditioning group and the return/exhaust fan are usually arranged in air conditioning rooms at two ends of the station, and the air transmission and distribution distances of the air supply system and the air exhaust system are both 80-150 m. The long-distance and large-air-volume air transmission and distribution result in large fan power and high operation energy consumption of the ventilation system.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multi-functional air treatment unit of subway station access & exit passageway can satisfy subway station air conditioner cooling, air curtain and cut off and ventilation.

In order to achieve the above object, the utility model adopts the following technical scheme:

a multifunctional air handling unit for a subway station entrance and exit channel is composed of a plurality of horizontal modular air conditioning blower units arranged in a suspended ceiling channel of a subway entrance and exit; the single horizontal modular air-conditioning air supply unit comprises an outer shell on a suspended ceiling channel of a subway entrance, an air inlet pipe arranged at one end, facing the subway entrance, of the outer shell, a partition plate arranged in the outer shell, a unit return air channel arranged above the partition plate, an air inlet arranged at one side, facing a station hall, of the outer shell and communicated with the unit return air channel, a fan arranged in the space of the outer shell below the partition plate, a nozzle arranged at one side, facing the station hall, of the outer shell and communicated with the outer shell where the fan is located, and a plurality of slotted nozzles arranged at one side, facing the subway channel surface, of the outer shell; the tail end of the air inlet pipe, the air inlet, the nozzle and the strip seam nozzle are all provided with electric air valves; the unit switches different air supply outlets and air inlets through the electric air valve, so that the unit has the functions of air supply and air curtain.

Further, the utility model discloses in, be close to air-supply line one end in the outer casing passageway at fan place and be provided with filter and electron purifier.

Further, the utility model discloses in, still be provided with the surface cooler between electron purifier and the fan.

Further, the utility model discloses in, both ends still are provided with the silencer around the fan.

Further, the utility model discloses in, handle the unit still including setting up the air velocity transducer in subway access & exit passageway.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses an air conditioning unit air inlet end is provided with two electric valve respectively with the air-out end. Through the opening and switching of the valve, the air curtain can simultaneously have the functions of air treatment, air curtain and outdoor air introduction. In the air conditioning season, in the process of train entering and leaving, the device supplies air downwards, and the flow resistance of channel air is increased through multiple air curtains formed, so that indoor and outdoor air exchange is effectively isolated, and further the air conditioning load is reduced. When the piston wind effect formed by the train basically has no influence on the access passage of the subway station, the device forwards supplies air to the station hall public area, and then cools the public area. For non-air-conditioning seasons, the device can deliver outdoor fresh air to a station hall public area through the passageway, and provides the requirement of station personnel on fresh air volume. When fire breaks out at the platform, the device operates under the ventilation working condition, the air resistance that outdoor air flows to the public area of the platform from the entrance and the exit and the station hall can be overcome, the aerodynamic force of the air supply passage is increased, and the requirements of fire fighting and air supply are met.

Drawings

Fig. 1 is a schematic diagram of the longitudinal section structure of the present invention.

Fig. 2 is a schematic cross-sectional structure of the present invention.

Wherein, the names corresponding to the reference numbers are:

the air conditioner comprises a horizontal modular air conditioner blower unit, 2-an outer machine shell, 3-an air inlet pipe, 4-a partition plate, 5-a unit return air duct, 6-an air inlet, 7-a fan, 8-a nozzle, 9-a slit nozzle, 10-an electric air valve, 11-a filter, 12-an electronic purification device, 13-a surface air cooler, 14-a silencer, 15-an air speed sensor, 16-a station hall structure top plate, 17-a channel structure top plate, 18-a structure bottom plate, 19-an inlet and outlet channel ceiling, 20-a station hall public area ceiling, 21-a station hall and 22-an inlet and outlet channel.

Detailed Description

The present invention will be further described with reference to the following description and examples, which include but are not limited to the following examples.

Examples

As shown in fig. 1 and 2, the structure of the subway station passage comprises a station hall structure top plate 16, a passage structure top plate 17, an entrance and exit passage ceiling 19, a structure bottom plate 18, a station hall public area ceiling 20, a station hall 21 and an entrance and exit passage 22. The utility model provides a multi-functional air handling unit of subway station access & exit passageway comprises five horizontal modularization air conditioning air supply units 1 that set up in subway access & exit furred ceiling passageway. The four vertical modular air-conditioning air supply units 1 are arranged in a line and used for supplying air to the station hall layer and the passageway at the entrance and the exit.

Specifically, each horizontal modular air conditioning blower unit 1 comprises an outer casing 2 on a suspended ceiling of a subway entrance/exit channel, an air inlet pipe 3 arranged at one end of the outer casing 2, which faces to a subway entrance/exit channel 22, a partition plate 4 arranged in the outer casing 2, a unit return air channel 5 arranged above the partition plate 4, an air inlet 6 arranged at one side of the outer casing 2, which faces to a station hall and is communicated with the unit return air channel 5, a fan 7 arranged in the space of the outer casing 2 below the partition plate 4, a nozzle 8 arranged at one side of the outer casing 2, which faces to the station hall and is communicated with the outer casing 2 where the fan 7 is arranged, and a plurality of slotted nozzles 9 arranged at one side of the outer casing 2, which faces to the subway channel; the tail end of the air inlet pipe 3, the air inlet 6, the nozzles 8 and the slit nozzles 9 are respectively provided with an electric air valve 10, and the electric air valves 10 corresponding to the electric air valves are respectively marked as an electric air valve A, an electric air valve B, an electric air valve C and an electric air valve D.

In the air-conditioning season: and closing the electric air valve A, opening the electric air valve B, and selectively opening the electric air valve C and the electric air valve D according to the actual working condition. When the air velocity sensor 15 monitors that the air velocity in the subway entrance/exit passage is less than a set value V ₀ When the electric air valve C is opened, the electric air valve D is closed. The air flow of station room flows through the air intake, through electronic blast gate B, behind unit return air duct 5, is carried out purification treatment to the air by filter 11 and the electronic purification device 12 that the fan 7 front end set up, cools off dehumidification to the air through surface cooler 13, and the cold air after the air treatment is through the electronic blast gate C of opening, sends to the station room through spout 8. The purpose of air conditioning and cooling the station hall is achieved through the processes.

When a train enters or leaves a station, piston wind effect generated in the running process of the train can cause air flow of a passageway at an entrance and an exit of the station. When the air velocity sensor A monitors that the air velocity in the subway entrance/exit channel is greater than a set value V ₀ When the variable frequency fan runs at a high speed, the electric air valve D is opened, and the electric air valve C is closed. The air in the station hall flows through the air inlet 6, passes through the electric air valve B and passes through the air return duct 5 of the unit, the filter 11 and the electronic purification device 12 purify the air, the air is cooled and dehumidified through the surface air cooler 13, the cold air after air treatment is sprayed out at a high speed perpendicular to the ground after passing through the opened electric air valve D to form a multiple air curtain, so that the air flow resistance in the channel is increased, and the indoor and outdoor air exchange is effectively isolatedFurther reducing the air conditioning load of the station. The air curtain formed by cooling the station hall by the air conditioner through the process can effectively isolate indoor and outdoor air, and the air conditioner load can be greatly reduced.

For the ventilation season: and the electric air valve A and the electric air valve C are opened, and the electric air valve B and the electric air valve D are closed. The air in the station hall flows through the air inlet pipe 2, is purified by the filter 11 and the electronic purification device 12, and then is sent to the station hall through the nozzle 8. Through the process, the outdoor fresh air can be treated and then sent to the subway station hall, and the requirement of the fresh air quantity required by staff in the station hall is met.

Just be in the utility model discloses in, both ends all are provided with silencer 14 around fan 7. The noise generated in the running process of the fan is processed by the mufflers arranged in the front and the back, so that the running noise of the equipment meets the requirement.

Through the design, utilize the utility model discloses a subway station access & exit passageway multifunctional air treatment unit's total distribution power and the combined air conditioner that generally sets up the tuber pipe at present reduce greatly, consequently, the operating cost of non-air conditioner season ventilation air conditioning system can effectively be saved to this scheme. Therefore, compared with the prior art, the utility model has the substantive characteristics and progress.

The above embodiment is only one of the preferred embodiments of the present invention, and should not be used to limit the protection scope of the present invention, but all the insubstantial changes or modifications made in the spirit and the idea of the main design of the present invention, the technical problems solved by the embodiment are still consistent with the present invention, and all should be included in the protection scope of the present invention.

Claims (5)

1. A multifunctional air handling unit for a subway station entrance and exit channel is characterized by being composed of a plurality of horizontal modular air conditioning blower units (1) arranged in a suspended ceiling channel of a subway entrance and exit; the single horizontal modular air-conditioning air supply unit (1) comprises an outer shell (2) on a suspended ceiling channel of a subway entrance, an air inlet pipe (3) arranged at one end, facing the subway entrance, of the outer shell (2), a partition plate (4) arranged in the outer shell (2), a unit return air duct (5) arranged above the partition plate (4), an air inlet (6) arranged at one side, facing the station hall, of the outer shell (2) and communicated with the unit return air duct (5), a fan (7) arranged in a space of the outer shell (2) below the partition plate (4), a nozzle (8) arranged at one side, facing the station hall, of the outer shell (2) and communicated with the outer shell (2) where the fan (7) is located, and a plurality of strip seam nozzles (9) arranged at one side, facing the subway channel surface, of the outer shell (2); wherein, the tail end of the air inlet pipe (3), the air inlet (6), the spout (8) and the strip seam spout (9) are all provided with an electric air valve (10); the unit switches different air supply outlets and air inlets through an electric air valve (10) to enable the unit to have the functions of air supply and air curtain.

2. The multifunctional air handling unit for the passageway of the subway station entrance and exit according to claim 1, wherein a filter (11) and an electronic purification device (12) are arranged at one end of the passageway of the outer casing (2) where the fan is located, which is close to the air inlet pipe (3).

3. The multifunctional air handling unit for the passageway of the subway station as claimed in claim 2, wherein a surface air cooler (13) is further provided between said electronic cleaning device (12) and said blower (7).

4. The multifunctional air handling unit for the passageway of the subway station as claimed in claim 3, wherein said blower (7) is further provided with mufflers (14) at the front and rear ends thereof.

5. The multifunctional air handling unit for the subway station entrance/exit passage according to claim 4, further comprising a wind speed sensor (15) disposed in the subway entrance/exit passage.

Images