KR19990000062A - Drainage of vacuum toilets for railway vehicles - Google Patents

Drainage of vacuum toilets for railway vehicles Download PDF

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Publication number
KR19990000062A
KR19990000062A KR1019970022705A KR19970022705A KR19990000062A KR 19990000062 A KR19990000062 A KR 19990000062A KR 1019970022705 A KR1019970022705 A KR 1019970022705A KR 19970022705 A KR19970022705 A KR 19970022705A KR 19990000062 A KR19990000062 A KR 19990000062A
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South Korea
Prior art keywords
solenoid valve
water supply
washing water
valve
drain
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KR1019970022705A
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Korean (ko)
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KR100235829B1 (en
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류현규
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추호석
대우중공업 주식회사
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Priority to KR1019970022705A priority Critical patent/KR100235829B1/en
Publication of KR19990000062A publication Critical patent/KR19990000062A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D35/00—Sanitation
    • B61D35/005—Toilet facilities
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R15/00—Arrangements or adaptations of sanitation devices
    • B60R15/04—Toilet facilities
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D5/00—Special constructions of flushing devices, e.g. closed flushing system
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2200/00—Type of vehicle
    • B60Y2200/30—Railway vehicles

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  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Epidemiology (AREA)
  • General Health & Medical Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Water Supply & Treatment (AREA)
  • Vehicle Waterproofing, Decoration, And Sanitation Devices (AREA)
  • Sanitary Device For Flush Toilet (AREA)

Abstract

본 발명은 철도차량용 진공식 화장실 유니트의 세정수 공급부에 잔류되어진 세정수를 배수하는 장치에 관한 것으로, 세정버튼의 신호에 의해 가압된 세정수를 변기(5)로 분출시키는 철도차량용 진공식 화장실의 배수장치에 있어서, 상기 공급전자밸브(6)와 제1역지밸브(8a) 사이에 세정수 리턴라인이 연결되고, 이 리턴라인에 배수전자밸브(10)가 설치되며, 배수밸브(1)의 배수제어작동을 감지하는 배수밸브 작동감지수단(9)이 구비되고, 제어유니트(3)에 배수전자밸브(10)와 배수밸브 작동감지수단(9)이 각각 연결되어진 구조로 되어, 철도차량의 운행 완료시 동절기 기온하강에 따른 세정수 공급부의 동파가 방지되도록 된 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for draining the washing water remaining in the washing water supply unit of a vacuum toilet unit for a railway vehicle. In the drainage device, a washing water return line is connected between the supply solenoid valve 6 and the first check valve 8a, and a drain solenoid valve 10 is installed at the return line. The drain valve operation detecting means 9 for detecting the drainage control operation is provided, and the drainage solenoid valve 10 and the drain valve operation detecting means 9 are connected to the control unit 3, respectively. When the operation is completed, the freezing water supply unit is prevented due to the winter temperature drop.

Description

철도차량용 진공식 화장실의 배수장치Drainage of vacuum toilets for railway vehicles

본 발명은 철도차량용 진공식 화장실 유니트의 세정수 공급부에 잔류되어진 세정수를 배수하는 장치에 관한 것으로, 특히 압력스위치와 전자밸브를 매개로 급수장치의 배수밸브 조작시 세정수 공급부에 잔류된 세정수가 자동으로 배수되도록 하여 동절기 기온하강시 상기 배수부의 동파가 방지되도록 된 철도차량용 진공식 화장실이 배수장치에 관한 것이다.The present invention relates to a device for draining the washing water remaining in the washing water supply unit of the vacuum toilet unit for railroad cars, and in particular, the washing water remaining in the washing water supply unit when operating the drain valve of the water supply device through the pressure switch and the solenoid valve It relates to a drainage system for a railway vehicle vacuum toilet that is to be automatically drained to prevent the freezing of the drainage during the winter temperature drop.

통상적으로 철도차량에는 급수탱크와 급수배관내의 잔류수를 배수하는 장치가 구비되어 동절기시 모든 급수장치 부분의 동파가 방지되도록 되어 있는데, 화장실의 세정수 공급부는 이러한 배수장치를 작동하더라도 배수가 제대로 이루어지지 못하여 잔류수에 의한 동파가 빈번하게 발생되는 문제가 있었다.In general, railway vehicles are equipped with a device for draining the residual water in the water supply tank and the water supply pipe to prevent freezing of all water supply parts during the winter season. There was a problem that the freeze caused by the residual water frequently occurs.

따라서, 화장실의 세정수 공급부의 잔류수에 의한 동파를 방지하기 위해서는 우선 상기 배수장치를 작동하여 급수장치의 배수를 완료한 후 별도로 작업자가 화장실의 세정 버튼을 여러번 눌러 화장실 공급부에 남아있는 잔여 세정수를 따로 배수하는 작업이 필요하게 되는데, 종래 화장실의 세정수 공급부의 잔류수가 배수되는 상태를 도 2를 참조로 하여 이하 보다 상세히 설명하며, 굵은 점선은 공기흐름을 나타내고, 굵은 실선은 물의 흐름, 그리고 가는 2점쇄선은 전기의 연결을 나타내는 것임을 이해를 돕기 위하여 미리 밝혀 주든 바이다.Therefore, in order to prevent freezing caused by residual water in the washing water supply part of the toilet, the drainage device is operated first to complete drainage of the water supply apparatus, and then the worker separately presses the washing button of the toilet several times to remain in the toilet supply part. It is necessary to separately drain the operation, which will be described in more detail below with reference to Figure 2 the state in which the residual water of the washing water supply portion of the conventional toilet, the thick dotted line represents the air flow, the thick solid line is the flow of water, and To make it easier to understand, the thin dashed line represents the electrical connection.

철도차량 운행중 평상시에는 공급전자밸브(6)가 개방되고, 세정전자밸브(7)와 가압전자밸브(2)는 각각 닫혀 있으므로, 차단코크(11)를 통하여 급수라인으로부터 공급되는 세정수는 제1역지밸브(8a)·세정전자밸브(7) 사이와, 급수가압기(4)의 내부에 유입되는데, 화장실 사용자가 세정버튼(도시안됨)을 누르면 우선 가압전자밸브(2)가 열리며 공압이 급수가압기(4)에 전달되어 급수가압기(4) 내부의 세정수를 두 역지밸브(8a,8b) 사이로 밀어내므로 제1역지밸브(8a)와 세정전자밸브(7) 사이의 세정수가 가압되고, 이후 세정전자밸브(7)가 열리며 가압된 세정수가 변기(5)로 분출되어 변기(5) 내부가 세척된다.Since the supply solenoid valve 6 is normally opened and the solenoid solenoid valve 7 and the pressurized solenoid valve 2 are closed during the operation of the railway vehicle, the washing water supplied from the water supply line through the shutoff cock 11 is the first. Between the check valve 8a and the washing solenoid valve 7 and inside the water supply pressurizer 4, when the toilet user presses the cleaning button (not shown), the pressurized solenoid valve 2 is opened first and the pneumatic pressure is supplied. The washing water between the first check valve 8a and the cleaning solenoid valve 7 is pressurized because it is delivered to the pressurizer 4 to push the washing water inside the water supply pressurizer 4 between the two check valves 8a and 8b. Thereafter, the washing solenoid valve 7 is opened and the pressurized washing water is ejected into the toilet 5 to wash the inside of the toilet 5.

따라서, 철도차량의 운행이 종료된 후, 운전자가 배수밸브(1)를 누르면 공압공급라인이 변동되어 급수탱크 및 급수라인 내의 잔류수가 배출되는데, 도면 상에서 A로 표시되어진 세정수 공급부의 잔류 세정수는 배수가 제대로 이루어 지지못하므로, 상기 세정버튼을 수차례 반복 조작하여 세정수 공급부의 잔류 세정수를 배출하게 된다.Therefore, after the operation of the railway vehicle is finished, when the driver presses the drain valve 1, the pneumatic supply line is changed and the residual water in the water supply tank and the water supply line is discharged. Since the drain is not properly made, the washing button is repeatedly operated several times to discharge the remaining washing water from the washing water supply unit.

그러나, 상기 종래 기술에 따르면, 철도차량의 운행 종료시 화장실 세정수 공급부의 잔류 세정수를 자동적으로 배출시켜주는 배수장치가 마련되지 못하여, 작업자의 수작업으로 세정수 공급부의 잔류 세정수를 별도로 제거하도록 되어 있으므로, 세정수 공급부의 잔류 세정수를 제거하는 작업이 상당히 번거롭고 난이하여 작업자의 편이성이 크게 저하되고, 또한 작업자가 세정수 공급부의 잔류 세정수를 제거하는 작업을 잊어버리고 행하지 않는 경우가 빈번하게 발생되어 세정수 공급부가 동파되는 문제가 발생되었다.However, according to the prior art, a drainage system for automatically discharging the residual washing water of the toilet washing water supply unit at the end of the operation of the railway vehicle is not provided, and the residual washing water of the washing water supply unit is separately removed by the operator's manual operation. Therefore, the operation of removing the residual washing water in the washing water supply part is quite cumbersome and difficult, and the operator's convenience is greatly reduced, and the operator frequently forgets to remove the remaining washing water in the washing water supply part. This caused a problem of freezing of the washing water supply unit.

한편, 종래 진공식 화장실 유니트에는 주위의 온도를 감지하여 온도가 강하할 경우 세정수 공급부의 잔류 세정수를 자동으로 배수시키고, 이 후로 화장실이 동작하지 않도록 하는 장치가 구비되어, 철도차량의 운행시는 세정수 공급부의 동파가 방지되고 있지만, 이러한 배수·작동 제어장치는 철도차량의 운행이 종료되어 전원이 차단되면 작동되지 않으므로 그 기능이 상실된다.On the other hand, the conventional vacuum toilet unit is equipped with a device that detects the ambient temperature and automatically drains the residual washing water in the washing water supply unit when the temperature drops, and the toilet does not operate thereafter. Although the freezing of the washing water supply unit is prevented, such drainage and operation control device is not operated when the power supply is cut off after the operation of the railway vehicle is lost, so its function is lost.

이에 본 발명은 상기와 같은 종래 문제점을 해결하기 위해 발명된 것으로, 점검자가 밸수밸브를 작동하게 되면 세정수 공급부에 남아있는 잔류수가 모두 변기쪽으로 배출되어 동절기시 변기의 배수라인이 동파되는 일이 없게되는 철도차량용 진공식 화장실의 배수장치를 제공함에 그 목적이 있다.Therefore, the present invention has been invented to solve the conventional problems as described above, when the inspector operates the valve, all the remaining water remaining in the washing water supply part is discharged toward the toilet so that the drainage line of the toilet is not frozen during the winter season. It is an object of the present invention to provide a drainage system of a vacuum toilet for railway vehicles.

도 1은 본 발명에 따른 철도차량용 진공식 화장실의 배수장치의 전체 회로구성도,1 is an overall circuit diagram of a drainage device for a vacuum toilet for a railway vehicle according to the present invention;

도 2는 종래 장치로서, 도 1에 대응되는 회로구성도이다.2 is a circuit diagram corresponding to FIG. 1 as a conventional apparatus.

*도면의 주요부분에 대한 부호의 설명** Description of the symbols for the main parts of the drawings *

1-배수밸브2-가압전자밸브1-Drain Valve 2-Pressure Solenoid Valve

3-제어유니트4-급수가압기3-control unit 4-water supply press

5-변기6-공급전자밸브5- Toilet 6-Supply Solenoid Valve

7-세정전자밸브8a-제1역지밸브7-Wheel Solenoid Valve 8a-First Check Valve

8b-제2역지밸브9-압력스위치8b-second check valve 9-pressure switch

10-배수전자밸브11-차단코크10-Drain solenoid valve 11-Shut off cock

상기와 같은 목절을 달성하기 위한 본 발명은, 세정수 공급라인에 각각 순차적으로 설치되는 공급전자밸브와 세정전자밸브, 공급전자밸브와 세정전자배브 사이의 세정수 공급라인에 각각 설치되는 제1·2역지밸브, 이 한쌍의 역지밸브 사이의 세정수 공급라인에 설치되는 급수가압기, 이 급수가압기에 공압라인으로 연결되는 가압전자밸브, 상기 공급전자밸브와 세정전자밸브 및 가압전자밸브에 각각 연결되어 이를 각각 제어하는 제어유니트, 이 제어유니트에 연결되어 작동신호를 출력하는 세정버튼으로 이루어져, 세정버튼의 신호에 의해 가압된 세정수를 변기로 분출시키는 철도차량용 진공식 화장실의 배수장치에 있어서, 상기 공급전자밸브와 제1역지밸브 사이에 세정수 리턴라인이 연결되고, 이 리턴라인에 배수전자밸브가 설치되며, 배수밸브의 배수제어작동을 감지하는 배수밸브 작동감지수단이 구비되고, 제어유니트에 배수전자밸브와 배수밸브 작동감지수단이 각각 연결되어진 구조로 되어 있다.The present invention for achieving the above-described paragraph, the first, respectively provided in the washing water supply line between the supply solenoid valve and the washing solenoid valve, the supply solenoid valve and the washing electron valve which are sequentially installed in the washing water supply line. 2 check valve, a water supply pressurizer installed in the washing water supply line between the pair of check valves, a pressurized solenoid valve connected to the water supply pressurizer by a pneumatic line, and connected to the supply solenoid valve, the washing solenoid valve and the pressurized solenoid valve, respectively. A control unit for controlling each of these, and a washing button connected to the control unit and outputs an operation signal, the drainage device of a vacuum toilet for a railway vehicle for discharging the washing water pressurized by the signal of the washing button to the toilet bowl, A washing water return line is connected between the supply solenoid valve and the first check valve, and a drain solenoid valve is installed on the return line. The drain valve operation detecting means for detecting the drainage control operation of the provided is provided, the drainage solenoid valve and the drain valve operation detecting means are respectively connected to the control unit.

이하, 본 발명을 첨부된 예시도면에 의거 상세히 설명한다.Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

도 1은 본 발명에 따른 철도차량용 진공식 화장실의 배수장치를 나타낸 전체회로구성도이다.1 is an overall circuit diagram showing a drainage device of a vacuum toilet for a railway vehicle according to the present invention.

이에 따르면, 세정수 공급부(A)의 정비 등으로 인하여 세정수 공급부(A)로 공급되는 세정수를 수작업으로 차단하도록 된 차단코크(11)가 급수라인측 세정수 공급라인에 설치되고, 이후 세정수 공급라인에 공급전자밸브(6)·제1역지밸브(8a)·급수가압기(4)·제2역지밸브(8b)·세정전자밸브(7)가 순차적으로 설치되고, 급수가압기(4)에 가압전자밸브(2)가 공급라인으로 연결되며, 또한 공급전자밸브(6)와 제1역지밸브(8a) 사이에 세정수 리턴라인이 연결되고, 이 리턴라인에 배수전자밸브(10)가 설치되며, 상기 각각의 전자밸브(2,6,7,10)는 각각 제어유니트(3)에 연결되고, 이 제어유니트(3)에는 배수밸브(1)의 배수제어상태를 감지하는 배수밸브 작동감지수단인 압력스위치(9)가 연결되어 있다. 한편, 상기 압력스위치(9)는 배수밸브(1)의 공압라인에 연결되며, 상기 제어유니트(3)에는 세정버튼(도시안됨)이 연결된다.According to this, the blocking cock 11 is arranged in the washing water supply line on the water supply line side to manually block the washing water supplied to the washing water supply unit A due to the maintenance of the washing water supply unit A, and the like. The supply solenoid valve 6, the 1st check valve 8a, the water supply pressurizer 4, the 2nd check valve 8b, and the washing solenoid valve 7 are sequentially installed in a water supply line, and a water supply pressurizer 4 is provided. A pressurized solenoid valve 2 is connected to the supply line, and a washing water return line is connected between the supply solenoid valve 6 and the first check valve 8a, and a drain solenoid valve 10 is connected to the return line. Each of the solenoid valves 2, 6, 7, and 10 is connected to a control unit 3, and the control unit 3 operates a drain valve for sensing a drainage control state of the drain valve 1. The pressure switch 9, which is a sensing means, is connected. On the other hand, the pressure switch 9 is connected to the pneumatic line of the drain valve 1, the control unit (3) is connected to the washing button (not shown).

상기 본 발명은 철도차량 운행시(배수밸브(1)의 미조작시)에는 상기 종래 기술에서 언급한 바와 동일하게 작동되므로 그 설명을 생략하고, 이하 철도차량의 운행이 종료된 후 배수밸브(1)의 작동에 의한 배수제어상태를 설명한다.In the present invention, when the railway vehicle is operated (when not operating the drain valve 1), the same operation as mentioned in the prior art is omitted, and the description thereof is omitted, and after the operation of the railway vehicle is finished, the drain valve 1 The following describes the drainage control state by the operation of.

철도차량의 운행이 종료되어 작업자가 배수밸브(1)를 누르게 되면, 배수밸브(1)에 연결된 공압아인의 가압라인이 변동되어 급수탱크 및 급수라인의 잔류수가 배수되는데, 배수밸브(1)의 조작에 의해 공압라인의 가압상태가 변동되면 이는 압력스위치(9)에 감지되고, 압력스위치(9)의 감지신호가 제어유니트(3)에 입력되면 제어유니트(3)에서 1차적으로 공급전자밸브(6)를 닫고 배수전자밸브(10)를 열어, 세정수의 공급을 차단하고 공급전자밸브(6)와 제1차역지밸브(8a) 사이의 세정수를 세정수 리턴라인으로 배출한다. 이후 물탱크의 압력이 대기압 수준으로 되는 시간(약 1분)이 경과되면 2차적으로 가압전압밸브(2)를 제어하여 급수가압기(4)에 의한 세정수의 가압이 수회 반복되도록 하고 세정전자밸브(7)를 반복적으로 개폐시켜 세정수 공급라인에 잔류된 세정수를 변기(5)로 배출시키는데, 이러한 작동 중에는 급수가압기(4)의 동작에 따라 배수전자밸브(10)의 세정수 리턴라인으로부터 공기가 유입되므로 동작이 완료되면 세정수 공급라인에는 공기만이 채워지게 된다.When the operation of the railway vehicle is finished and the operator presses the drain valve 1, the pressure line of the pneumatic aine connected to the drain valve 1 is changed to drain the remaining water from the water supply tank and the water supply line. When the pressurized state of the pneumatic line is changed by operation, it is sensed by the pressure switch 9, and when the detection signal of the pressure switch 9 is input to the control unit 3, the control unit 3 primarily supplies the supply solenoid valve. (6) is closed and the drain solenoid valve 10 is opened, the supply of the washing water is cut off, and the washing water between the supply solenoid valve 6 and the first check valve 8a is discharged to the washing water return line. After a time (about 1 minute) at which the pressure of the water tank reaches the atmospheric pressure level, the pressurized voltage valve 2 is secondarily controlled so that the pressurization of the washing water by the water supply pressurizer 4 is repeated several times. (7) is repeatedly opened and closed to discharge the flushing water remaining in the flushing water supply line to the toilet 5 during this operation from the flushing water return line of the drain solenoid valve 10 in accordance with the operation of the water supply pressurizer 4. Since air is introduced, only the air is filled in the washing water supply line when the operation is completed.

한편, 상기 압력스위치(9)는 배수밸브 작동감지수단의 일예로서, 상기에서 언급된 실시예에 한정되지 않고 다양한 형태로 변경 실시될 수 있는데, 다른 일예를 들면, 배수밸브(1)의 자체 내부에 제어유니트(3)에 연결되어 전기적인 신호를 전달하는 전기접점을 형성하면 별도의 기구 없이 그 구조를 더욱 단순화 할 수 있다.On the other hand, the pressure switch 9 is an example of the drain valve operation detecting means, and is not limited to the above-mentioned embodiment can be carried out in various forms, for example, the inside of the drain valve (1) itself If connected to the control unit (3) to form an electrical contact for transmitting an electrical signal can be further simplified the structure without a separate mechanism.

상기와 같이 본 발명에 따르면, 철도차량의 운행 종료시 배수밸브의 작동에 연동되어 화장실 세정수 공급부의 잔류 세정수가 자동적으로 배수되므로, 작업자의 배수작업이 편리해지고, 빈번하게 발생되던 세정수 공급부의 동파가 방지되며, 배수작업 시간이 크게 단축되는 효과가 있다.As described above, according to the present invention, since the residual washing water of the toilet washing water supply unit is automatically drained in conjunction with the operation of the drain valve at the end of the operation of the railway vehicle, the drainage operation of the operator is convenient, and the freezing frequency of the washing water supply unit is frequently generated. Is prevented, and the drainage work time is greatly shortened.

Claims (3)

세정수 공급라인에 각각 순차적으로 설치되는 공급전자밸브(6)와 세정전자밸브(7), 공급전자밸브(6)와 세정전자밸브(7) 사이의 세정수 공급라인에 각각 설치되는 제1·2역지밸브(8a,8b), 이 한쌍의 역지밸브(8a,8b) 사이의 세정수 공급라인에 설치되는 급수가압기(4), 이 급수가압기(4)에 공압라인으로 연결되는 가압전자밸브(2), 상기 공급전자밸브(6)와 세정전자밸브(7) 및 가압전자밸브(2)에 각각 연결되어 이를 각각 제어하는 제어유니트(3), 이 제어유니트(3)에 연결되어 작동신호를 출력하는 세정버튼으로 이루어져, 세정버튼의 신호에 의해 가압된 세정수를 변기(5)로 분출시키는 철도차량용 진공식 화장실의 배수장치에 있어서,The first, respectively, provided in the washing water supply line between the supply solenoid valve 6 and the washing solenoid valve 7 and the supply solenoid valve 6 and the washing solenoid valve 7 which are respectively installed in the washing water supply line sequentially. 2 check valves (8a, 8b), a water supply pressurizer (4) installed in the washing water supply line between the pair of check valves (8a, 8b), a pressure solenoid valve connected to the water supply pressurizer (4) by a pneumatic line ( 2), a control unit (3) connected to the supply solenoid valve (6), the cleaning solenoid valve (7), and the pressurized solenoid valve (2), respectively, to control them, and the operation unit connected to the control unit (3). In the drainage device of the vacuum toilet for a railway vehicle which consists of a washing button for outputting and ejects the washing water pressurized by the signal of the washing button to the toilet bowl 5, 상기 공급전자밸브(6)와 제1역지밸브(8a) 사이에 세정수 리턴라인이 연결되고, 이 리턴라인에 배수전자밸브(10)가 설치되며, 배수밸브(1)의 배수제어작동을 감지하는 배수밸브 작동감지수단(9)이 구비되고, 제어유니트(3)에 배수전자밸브(10)와 배수밸브 작동감지수단(9)이 각각 연결되어진 것을 특징으로 하는 철도차량용 진공식 화장실의 배수장치.A washing water return line is connected between the supply solenoid valve 6 and the first check valve 8a, and a drain solenoid valve 10 is installed at the return line, and the drain control operation of the drain valve 1 is sensed. Drain valve operation detecting means 9 is provided, and the drainage device of the vacuum toilet for the railway vehicle, characterized in that the drainage solenoid valve 10 and the drain valve operation detecting means 9 are connected to the control unit 3, respectively. . 제1항에 있어서, 상기 배수밸브 작동감지수단(9)은 배수밸브(1)의 공압라인에 연결되는 압력스위치(9)로 이루어진 것을 특징으로 하는 철도차량용 진공식 화장실의 배수장치.The drainage device of a vacuum toilet of claim 1, wherein the drain valve operation detecting means (9) comprises a pressure switch (9) connected to a pneumatic line of the drain valve (1). 제1항에 있어서, 상기 배수밸브 작동감지수단(9)은 전기접점이 보강되어 자체적으로 배수제어상태를 감지할 수 있는 배수밸브(1)로 이루어진 것을 특징으로 하는 철도차량용 진공식 화장실의 배수장치.The drainage device of a vacuum toilet for a railway vehicle according to claim 1, characterized in that the drain valve operation detecting means (9) comprises a drain valve (1) capable of detecting a drainage control state by reinforcing an electrical contact. .
KR1019970022705A 1997-06-02 1997-06-02 The device pumping out using vacuum system for train toilet KR100235829B1 (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100751279B1 (en) * 2006-04-29 2007-08-23 권희준 Vacuum toilet control system
CN103318210A (en) * 2013-06-27 2013-09-25 宁波南车时代传感技术有限公司 Water pressurizing device for bullet train vacuum toilet wastewater collector

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100751279B1 (en) * 2006-04-29 2007-08-23 권희준 Vacuum toilet control system
CN103318210A (en) * 2013-06-27 2013-09-25 宁波南车时代传感技术有限公司 Water pressurizing device for bullet train vacuum toilet wastewater collector

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