CN215332324U

CN215332324U - Rail transit adjustable ventilation type platform door capable of realizing ordered piston wind

Info

Publication number: CN215332324U
Application number: CN202120037542.1U
Authority: CN
Inventors: 李国庆; 孟鑫; 孙云祥; 吴伟; 王鲁平; 师可; 马惠颖; 张意祥
Original assignee: Rail Transport Energy Saving Beijing Engineering Research Center Co ltd
Current assignee: Rail Transport Energy Saving Beijing Engineering Research Center Co ltd
Priority date: 2021-01-07
Filing date: 2021-01-07
Publication date: 2021-12-28
Anticipated expiration: 2031-01-07

Abstract

A track traffic adjustable ventilation type platform door for realizing ordered piston wind is characterized in that a movable opening is arranged at a proper position of a full-height platform door body, and a one-way air valve is arranged in the movable opening. The movable opening of the air conditioner is closed in season, and the air conditioner is converted into a fully-closed shielding door. In non-air-conditioning seasons, the movable opening is opened and is converted into a safety door with an opening, when a train enters a station, the one-way air valve is automatically closed under the action of the wind pressure of the piston, and air in the tunnel cannot enter the station from the opening on the door body of the full-height platform; when the train leaves the station, the one-way air valve is automatically opened, and air enters the tunnel from the station public area. The utility model has the beneficial effects that: on the basis of ensuring the basic functions of the adjustable ventilation type platform door, namely realizing the switching between the shield door and the safety door system in the air conditioning season and the non-air conditioning season, the problem that pollutants in the tunnel enter a station public area due to the ventilation of piston wind in the non-air conditioning season is solved, and the air quality of the station public area is improved.

Description

Rail transit adjustable ventilation type platform door capable of realizing ordered piston wind

Technical Field

The utility model relates to the technical field of platform doors in rail transit engineering, in particular to an adjustable ventilation type platform door for realizing ordered piston wind.

Background

The adjustable ventilation type platform door is a novel platform door structure, namely a movable opening is arranged at a proper position of a door body, and the opening on the door body is closed in an air conditioning season to be used as a shielding door, so that the energy consumption of an air conditioning system is saved; the opening on the door body is opened in non-air-conditioning seasons to be used as a safety door, natural ventilation is carried out on a station by utilizing train piston wind, and energy consumption of a ventilation system is saved. The adjustable ventilation type platform door has been applied to partial cities due to the characteristic of energy conservation, and has better popularization prospect.

However, in actual rail transit engineering, because the concentration of air particles in most tunnels is high at present, if an opening on an adjustable ventilation type platform door body is opened to naturally ventilate a station in non-air-conditioning seasons, pollutants in the tunnels can enter the station along with piston wind when a train enters the station, so that the quality of air inside the station is reduced, and the problem that the adjustable ventilation type platform door is urgently needed to be solved in the application and popularization processes is solved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a rail transit adjustable ventilation type platform door for realizing ordered piston wind, namely, when natural ventilation is carried out on a station by utilizing train piston wind in non-air-conditioning seasons, air is only allowed to enter a tunnel from a public area of the station in a one-way mode, and air in the tunnel cannot enter the station through an opening in a platform door body.

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

the utility model provides a realize adjustable ventilation type platform door of rail transit of orderly piston wind, it is including the full height platform door body 1, its characterized in that: a movable opening 2 is arranged on a door body 1 of the full-height platform, and a one-way air valve 3 with the airflow direction flowing from a station public area to a tunnel is arranged in the movable opening 2.

The movable opening 2 is arranged at the upper part, the bottom part or the upper and lower parts of the door body 1 of the full-height platform door, and can be opened and closed in a manual control or electric control mode, and various opening forms of a manual/electric rolling curtain, a manual/electric shutter and a manual/electric air valve combined with a single-layer grating can be selected.

The one-way air valve 3 is the same as the movable opening 2 in size and specification, is set to have an air flow direction flowing to a tunnel in a station public area, is combined with the movable opening 2, and is fixed on the door body 1 of the full-height platform.

The one-way air valve 3 is an independent component which can be automatically opened and closed along with air flow, the air flow direction is the same as the set direction, the valve is opened when the front-back pressure difference of the valve is greater than the set pressure difference, the air flow direction is opposite to the set direction, or the valve is closed when the pressure difference is less than the set pressure difference, so that the air backflow is prevented, and the pressure difference when the valve is opened can be preset or manually adjusted.

The utility model is provided with a full-height platform door body, and a movable opening and a one-way air valve are arranged on the full-height platform door body. According to the requirements of a ventilation air-conditioning system, the movable opening of the air-conditioning season is closed, and the air-conditioning season is converted into a fully-closed shielding door. The movable opening is opened in non-air-conditioning seasons, the movable opening is converted into a safety door with an opening, when a train enters a station, a one-way air valve arranged in combination with the opening is automatically closed under the action of the wind pressure of a piston, and air in a tunnel cannot enter a station public area from the opening on a door body of a full-height platform; when the train leaves the station, the one-way air valve is automatically opened, air enters the tunnel from the station public area, and natural air supplement is carried out through the station ground access.

The utility model has the advantages that: on the basis of ensuring the basic functions of the adjustable ventilation type platform door, namely realizing the switching between the shield door and the safety door system in the air conditioning season and the non-air conditioning season, the problem that pollutants in the tunnel enter a station public area due to the ventilation of piston wind in the non-air conditioning season is solved, and the air quality of the station public area is improved. .

Drawings

Fig. 1 is a schematic front view of the present invention.

Fig. 2 is a schematic view of a-a section in fig. 1 (wherein the right side of the schematic view is a tunnel 7, the left side is a station public area 6, and the arrow direction is a unidirectional flow direction of air flow).

Fig. 3 is a schematic top view of fig. 1 (wherein the lower side of the schematic is a tunnel 7, the upper side is a station public area 6, and the arrow direction is a unidirectional air flow direction.

Fig. 4 is a schematic diagram of the air flow when a train enters the station (wherein, the small arrow direction is the air flow direction 8, the large arrow direction is the train 9 entering the station state, and the one-way air valve 3 is closed).

Fig. 5 is a schematic diagram of the air flow when the train is out of the station (wherein the small arrow direction is the air flow direction 8, the large arrow direction is the out-station state of the train 9, and the one-way air valve 3 is in the open state).

Reference numerals: 1. a full-height platform door body; 2. a movable opening; 3. a one-way air valve; 6. a station public area; 7. a tunnel; 8. the direction of airflow; 9. a train.

Detailed Description

Referring to fig. 1, 2 and 3: a track traffic adjustable ventilation type platform door for realizing ordered piston wind comprises a full-height platform door body 1, wherein a movable opening 2 is arranged on the full-height platform door body 1, and a one-way air valve 3 with an air flow direction flowing from a station public area to a tunnel is arranged in the movable opening 2.

The movable opening 2 can be arranged at the upper part, the bottom part or the upper and lower parts of the full-height platform door body 1, can adopt a manual control or electric control opening and closing mode, and can select a plurality of opening forms of combining a manual/electric rolling curtain, a manual/electric shutter and a manual/electric air valve with a single-layer grating.

The one-way air valve 3 is the same as the movable opening 2 in size and specification, is set to have an air flow direction flowing to a tunnel in a station public area, is combined with the movable opening 2, and is fixed on the door body 1 of the full-height platform. The one-way air valve 3 can be selected from various forms such as a gravity type, a mechanical type, an electric type and the like, and is an independent component capable of being automatically opened and closed along with air flow, the air flow direction is the same as the set direction, the valve is opened when the front and back pressure difference of the valve is greater than the set pressure difference, the air flow direction is opposite to the set direction or the valve is closed when the pressure difference is smaller than the set pressure difference, gas backflow is prevented, and the pressure difference when the valve is opened can be preset or manually adjusted.

Referring to fig. 4 and 5: the utility model is provided with a full-height platform door body 1, and a movable opening 2 and a one-way air valve 3 are arranged on the full-height platform door body 1. According to the requirements of a ventilation air-conditioning system, the movable opening 2 of the air-conditioning season is closed and is converted into a fully-closed shielding door. The movable opening 2 is opened in non-air-conditioning seasons and is converted into a safety door with an opening, when a train enters a station, a one-way air valve 3 arranged in combination with the opening is automatically closed under the action of the wind pressure of a piston, and air in a tunnel cannot enter a station public area from the opening on a full-height platform door body; when the train leaves the station, the one-way air valve 3 is automatically opened, air enters the tunnel from the station public area, and natural air supplement is carried out through the station ground access.

The above description is of the preferred embodiment of the present invention and the technical principles applied thereto, and it will be apparent to those skilled in the art that any changes and modifications based on the equivalent changes and simple substitutions of the technical solution of the present invention are within the protection scope of the present invention without departing from the spirit and scope of the present invention.

Claims

1. The utility model provides a realize adjustable ventilation type platform door of rail transit of orderly piston wind, it is including the full height platform door body (1), its characterized in that: a movable opening (2) is arranged on a door body (1) of the full-height platform, and a one-way air valve (3) with an airflow direction flowing to a tunnel from a station public area is arranged in the movable opening (2).

2. The adjustable ventilating type platform door for rail transit capable of realizing ordered piston wind as claimed in claim 1, wherein the movable opening (2) is arranged at the upper part, the bottom part or the upper and lower parts of the door body (1) of the full-height platform door, and adopts a manual or electric control opening and closing mode, and adopts a plurality of opening modes of combining a manual/electric rolling curtain, a manual/electric shutter, a manual/electric air valve and a single-layer grating.

3. The adjustable ventilating type platform door for rail transit to realize ordered piston wind according to claim 2, wherein the one-way air valve (3) has the same size and specification as the movable opening (2), sets the air flow direction to the tunnel in the station public area, is combined with the movable opening (2), and is fixed on the door body (1) of the full-height platform door.

4. The adjustable ventilation type platform door for rail transit capable of realizing ordered piston wind according to claim 3, wherein the one-way air valve (3) is an independent component capable of automatically opening and closing along with air flow in various forms of gravity type, mechanical type and electric type, the air flow direction is the same as the set direction, the valve is opened when the pressure difference between the front and the rear of the valve is larger than the set pressure difference, the valve is closed when the air flow direction is opposite to the set direction or the pressure difference is smaller than the set pressure difference, gas backflow is prevented, and the pressure difference when the valve is opened is preset or manually adjusted.