KR101525085B1 - Washstand drain interception system for railway vehicles - Google Patents

Abstract

The present invention relates to a washstand drainage blocking system for a railway vehicle. More specifically, the washstand drainage blocking system comprises: a drain pipe blocking a valve installed to be capable of being opened and closed in a drain pipe, having a blocking layer receiving pneumatic pressure inside the layer to swell up to block the drain pipe; a pneumatic control valve connected to a compressor of a railway vehicle supplying the pneumatic pressure inside the drain pipe blocking valve or exhausting; and a control unit connected to a network of the railway vehicle, and controlling the pneumatic control valve. Therefore, a toilet can have a pleasant environment due to preventing an aerodynamic noise and the present invention prevents a passenger from being damaged, preventing stains of an inner panel of the toilet due to a backflow of a washstand; and the present invention can easily be installed and assembled in an existing washstand drain facility, having a simple structure in order to reduce a time required for maintenance and costs in accordance with the washstand drainage blocking system, and prevents an external pressure wave from being introduced through the drain pipe of the washstand to generate aerodynamic noise and sewage backflow when the railway vehicle travels at high speeds.

Description

[0001] WASHSTAND DRAIN INTERFERENCE SYSTEM FOR RAILWAY VEHICLES [0002]

More particularly, the present invention relates to a drainage system for railway car washbasins, and more particularly, to a railway car washbasin drainage system installed to prevent an external pressure wave from entering a drainage pipe of a railway car when a tunnel runs at high speed, Blocking system.

Generally, a railway vehicle is a mass transportation system that travels on a railway line and carries passengers, and various additional facilities are installed for the convenience of passengers.

As shown in FIG. 1, when the purified water is supplied from the water supply tank 10 to the washstand 30 via the water supply pipe 20, the water supply and drainage facilities of the washstand include a toilet and a sink, The sewage washed by the passenger is discharged to the outside of the railway car through the drain pipe (40) at the lower part of the washstand (30).

However, in the case of high-speed and high-speed railway vehicles, it is necessary to construct a system so that the performance of various parts of the vehicle is not influenced from the pressure wave generated from the outside as the traveling speed of the vehicle increases. In the conventional drainage system, The following problems have been caused as a result of exposure to the outside of the railway vehicle.

In other words, when a railway vehicle runs at a high speed in a tunnel, an external pressure wave enters the drain pipe of the washstand due to a pressure difference between the inside and the outside of the vehicle, causing aerodynamic noise and detention of sewage. Therefore, an aerodynamic noise hinders a comfortable environment of the toilet, There is a problem that passengers are injured and the built-in panel of the toilet is damaged due to stains.

SUMMARY OF THE INVENTION Accordingly, the present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to provide a railway car wash basin drainage system which prevents an external pressure wave from entering a drainage pipe of a railway car, Blocking system.

In order to accomplish the above object, the present invention provides a wash basin drainage shut-off system for a railway car installed to prevent an external pressure wave from entering a drainage pipe of a washstand when a railway vehicle is traveling at a high speed to cause aerodynamic noise and sewage backflow, A drain pipe shut-off valve installed to be openable and closable, and having a shut-off membrane for swelling the water pipe by supplying air pressure to the inside thereof; A pneumatic intermittent valve connected to the compressor of the railway vehicle and opened and closed to supply or shut off pneumatic pressure in the water pipe shutoff valve; And a control unit connected to the railway vehicle through a network to control the pneumatic control valve. And a control unit.

In the present invention, the network includes first and second terrestrial signals installed at the entrance and the exit of the tunnel, respectively, to send entrance and exit information of the tunnel to the railway vehicle; And a train general management unit installed in the railway vehicle and receiving information from the first and second ground signal units and sending a signal to the control unit; And a control unit.

In the present invention, when the railway car receives the tunnel entry information from the first ground signal device at the entrance of the tunnel, the train general management device sends a signal to open the pneumatic intermittent valve to the control section, And a signal is sent to the control unit to close the pneumatic control valve when information is received from the two ground signaling units.

In the present invention, a pressure control valve is further provided between the pneumatic regulator valve and the compressor to supply a constant pneumatic pressure to the water pipe shutoff valve.

In the present invention, a simple sewage storage tank is further provided, which is connected to a drain pipe between the washstand and the drain pipe shutoff valve, and temporarily stores the wastewater discharged from the washstand when the drain pipe shutoff valve closes the drain pipe.

As described above, according to the present invention, when a railway vehicle is traveling at a high speed, an external pressure wave enters the drainage pipe of the washstand to prevent aerodynamic noise and sewage backflow. Thus, In addition, it is possible to prevent the damage of passengers and the stain damage of the interior panel of the toilet due to the detention of the sewage in the wash basin, and the assembly and installation in the existing wash basin drainage facility is easy and the structure is simple, There is an inexpensive effect.

FIG. 1 is a view showing a conventional basin water supply and drainage system.
2 is a view showing a wash-basin drainage cut-off system for a railway car according to the present invention.
3 is a view showing an installed state of a wash basin drainage blocking system for a railway car according to the present invention
4 and 5 are views showing an operation state of a washstand drainage system for a railway car according to the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of a wash basin drainage system for a railway car according to the present invention will be described in more detail with reference to the accompanying drawings.

Hereinafter, the same reference numerals will be used to denote the same or similar elements in all of the following drawings, and repetitive descriptions will be omitted. The following terms are defined in consideration of the functions of the present invention. It should be interpreted as meaning.

FIG. 2 is a view showing a wash-basin drainage shut-off system for a railway car according to the present invention, FIG. 3 is a view showing an installation state of a wash- FIG. 1 is a view showing an operation state of a wash-basin drainage shut-off system for a railway car. FIG.

As shown in the drawings, the present invention is installed in order to prevent an external pressure wave from entering the drain pipe 40 of the sink 30 when the railway car 1 travels at a high speed in the tunnel 2 to cause aerodynamic noise and sewage back flow. The construction of which is divided into a drain pipe shutoff valve 100, a pneumatic shut-off valve 200 and a control unit 300. The shut-

A drain pipe shutoff valve 100 is installed in the drain pipe 40 adjacent to the lower portion of the washstand 30 to open and close the drain pipe 40. The drain water shutoff valve 100 is supplied with pneumatic pressure The internal passage 110 of the drain pipe shutoff valve 100 connected to the drain pipe 40 is closed and the internal passageway 110 of the drain pipe shutoff valve 100 is opened when the air pressure is exhausted, A blocking film 120 made of a rubber material is formed.

And is connected to a compressor 400 installed to generate a pneumatic pressure in the railway vehicle 1 so as to be opened to supply the generated pneumatic pressure to the compressor 400 in the blocking membrane 120 in the drain pipe shutoff valve 100, A pneumatic intermittent valve 200 is formed which cuts off the supply of pneumatic pressure to the shutoff film 120 in the valve 100 and closes the pneumatic exhaust.

The control unit 300 is connected to the railway vehicle 1 through a network 500 and controls the pneumatic control valve 200. The control unit 300 is connected to the entrance and the exit of the tunnel 2, First and second terrestrial signal devices 510 and 520 installed in the railway car 1 for transmitting entrance and passage information of the tunnel 2 to the railway vehicle 1, And a train general manager 530 that receives information from the ground signalers 510 and 520 and sends a signal to the controller 300.

When the railway car 1 receives information on entering the tunnel 2 from the first terrestrial signal transmitter 510 at the entrance of the tunnel 2, the train general management unit 530 informs the control unit 300 of the pneumatic intermittent valve 200 So that the railway vehicle 1 can receive information from the second terrestrial signal transmitter 520 at the exit of the tunnel 2 by sending a signal to open the drainage pipe shutoff valve 100, The controller 400 sends a signal to the control unit 300 to close the pneumatic shutoff valve 200 so that the pneumatic pressure of the compressor 400 can not be supplied to the shutoff valve 100 and the pneumatic pressure in the shutoff valve 100 And is exhausted to the outside through the air-pressure control valve (200).

A pressure regulating valve 600 is connected between the pneumatic regulator valve 200 and the compressor 400 to supply a constant pneumatic pressure to the water pipe shutoff valve 100.

The sewer pipe 30 is connected to the drain pipe 40 between the washstand 30 and the drain pipe shutoff valve 100 so that the drain pipe shutoff valve 100 can switch the sewage discharged from the washstand 30 when the drain pipe 40 is closed A simple waste water storage tank 700 is formed.

The operation state of the present invention having the above-described structure will now be described.

4, when the railway vehicle 1 enters the entrance of the tunnel 2, the first ground signal generator 510 installed at the entrance of the tunnel 2 is connected to the train general manager 530 of the railway car 1, (2) entrance information to the tunnel 2.

Therefore, the Train Control Management System (TCMS) controls and monitors the operation of the devices of the railway car 1. When the train general management unit 530 receives the entrance information of the tunnel 2, The train general management unit 530 recognizing that the vehicle 1 is before entering the tunnel 2 sends a signal to the control unit 300 so that the control unit 300 opens the pneumatic control valve 200, Is supplied to the drain pipe shutoff valve (100) through the open pneumatic shutoff valve (200).

2, when the pneumatic pressure is supplied to the drain pipe shutoff valve 100, the cutoff pipe 120 is pneumatically supplied to the inside of the drain shutoff valve 100 to swell the drain pipe connected to the drain pipe 40, An external pressure wave enters the drainage pipe 40 of the sink 30 while the railway vehicle 1 is traveling in the tunnel 2 to cause aerodynamic noise and sewage backflow It is blocked in advance.

At this time, since the pressure control valve 600 is installed between the pneumatic control valve 200 and the compressor 400, it plays a role of maintaining the pneumatic pressure supplied from the water pipe shutoff valve 100 to the water shutoff valve 100 constantly. do.

The simple waste water storage tank 700 is connected to the bottom of the washstand 30 until the drain pipe shutoff valve 100 is opened and the drain pipe 40 is opened again as the drain pipe 40 is blocked by the drain pipe shutoff valve 100 The discharged sewage is temporarily stored.

5, when the railway car 1 passes through the tunnel 2, the second ground signal generator 520 installed at the exit of the tunnel 2 is connected to the train general manager 530 of the railway car 1 When the train general management unit 530 receives the passage information of the tunnel 2 as a result of the transmission of the tunnel 2 passing information to the train general management unit 530 send a signal to the controller 300 so that the controller 300 closes the pneumatic shutoff valve 200 so that the pneumatic pressure generated by the compressor 400 can not be supplied to the shutoff valve 100.

2, the blocking membrane 120, which is formed by swelling the internal passage 110 of the drain pipe shutoff valve 100, is contracted and the pneumatic pressure in the blocking membrane 120 is reduced, The waste water discharged from the washstand 30 is discharged to the outside of the railway car 1 through the drain pipe 40 as it is originally, since the drain pipe 40 is opened again by the air pressure control valve 200, .

At this time, the waste water temporarily stored in the simple waste water storage tank 700 is also introduced into the drain pipe 40 after the drain pipe 40 is opened, and then discharged to the outside of the railway car 1.

Although the preferred embodiments of the present invention have been disclosed for illustrative purposes, those skilled in the art will appreciate that various modifications, additions and substitutions are possible, without departing from the scope and spirit of the invention as disclosed in the accompanying claims. In addition, it is a matter of course that various modifications and variations are possible without departing from the scope of the technical idea of the present invention by anyone having ordinary skill in the art.

1: railway vehicle 2: tunnel
10: Water tank 20: Water supply pipe
30: Wash basin 40: Water pipe
100: Drain pipe shutoff valve 110: Internal passage
120: Barrier 200: Pneumatic regulator valve
300: control unit 400: compressor
500: network 510: first ground signaling device
520: second ground signal machine 530: train general manager
600: Pressure control valve 700: Simple sewage storage tank

Claims (5)

A railway car wash basin drainage system installed to prevent an external pressure wave when a railway car is traveling at high speed through a drain pipe of a washstand to cause aerodynamic noise and sewage back flow,
A drain pipe shutoff valve installed in the drain pipe so as to be openable and closable and having a shut-off membrane for swelling the drain pipe by receiving air pressure therein;
A pneumatic intermittent valve connected to the compressor of the railway vehicle and opened and closed to supply or shut off pneumatic pressure in the water pipe shutoff valve; And
A control unit connected to the railway vehicle through a network to control the pneumatic control valve; And,
And a pressure regulating valve connected between the pneumatic regulator valve and the compressor to supply a constant pneumatic pressure to the drain pipe shutoff valve.
The method according to claim 1,
The network comprising:
First and second terrestrial signal devices respectively installed at the entrance and the exit of the tunnel to transmit the entry and passage information of the tunnel to the railway vehicle; And
A train general manager installed in the railway car and receiving information from the first and second ground signal devices and sending a signal to the control unit; And a control unit for controlling the drainage of the railway car.
The method of claim 2,
The train general management device sends a signal to the control unit to open the pneumatic control valve when the railway vehicle receives tunnel entry information from the first ground signal device at the entrance of the tunnel, When the information is received, sends a signal to the control unit to close the pneumatic intermittent valve.
delete The method according to claim 1,
And a simple sewage storage tank connected to a drain pipe between the washstand and the drain pipe shutoff valve for temporarily storing wastewater discharged from the washstand when the drain pipe shutoff valve closes the drain pipe. .

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