EP3064655A1 - Appareil d'alimentation en eau pour train et son procédé de commande - Google Patents

Appareil d'alimentation en eau pour train et son procédé de commande Download PDF

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Publication number
EP3064655A1
EP3064655A1 EP13896769.0A EP13896769A EP3064655A1 EP 3064655 A1 EP3064655 A1 EP 3064655A1 EP 13896769 A EP13896769 A EP 13896769A EP 3064655 A1 EP3064655 A1 EP 3064655A1
Authority
EP
European Patent Office
Prior art keywords
water tank
liquid level
water
way valve
pipeline
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP13896769.0A
Other languages
German (de)
English (en)
Other versions
EP3064655B1 (fr
EP3064655A4 (fr
Inventor
Min Li
Yan Wang
Jinxia ZHENG
Zhe XING
Jinkan YAN
Kai QU
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shandong Huateng Environmental Protection Automation Co Ltd
Original Assignee
Shandong Huateng Environmental Protection Automation Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN201320670124.1U external-priority patent/CN203996238U/zh
Priority claimed from CN201310516769.4A external-priority patent/CN103612637B/zh
Application filed by Shandong Huateng Environmental Protection Automation Co Ltd filed Critical Shandong Huateng Environmental Protection Automation Co Ltd
Publication of EP3064655A1 publication Critical patent/EP3064655A1/fr
Publication of EP3064655A4 publication Critical patent/EP3064655A4/fr
Application granted granted Critical
Publication of EP3064655B1 publication Critical patent/EP3064655B1/fr
Active legal-status Critical Current
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F1/00—Methods, systems, or installations for draining-off sewage or storm water
    • E03F1/006—Pneumatic sewage disposal systems; accessories specially adapted therefore
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D35/00—Sanitation

Definitions

  • the present invention relates to a water supply device and a control method thereof, and in particular, to a train water supply device for continuous water supply on trains via compressed air.
  • a train water supply system is used for providing clear water for toilets, kitchens and electric water boilers and the like on a train.
  • the traditional train water supply system generally adopts such a water supply method that the train is provided with a large clear water tank is arranged at the bottom and with a small clear water tank at the top, water in the large clear water tank at the bottom of the train is pumped by a water pump to the small clear water tank at the top of the train, and then the water is supplied to water consumption points from the small water tank in manner of flow by gravity.
  • all clear water tanks are generally placed at the bottom of the train, which not only reduces the center of gravity of the train, but also is conducive to improving the stability of the train.
  • the water supply at the bottom of the train is realized in two manners of electric pumps and air pressure in the prior art. Wherein, in the electric pump manner, pressurized water supply is realized through an electric water pump, which has the defects that the electric pump is sensitive to a conveying medium and a relatively complex system needs to be configured to guarantee the normal operation of the electric pump, and thus the equipment investment and the maintenance cost are relatively high.
  • the electric pump system often has the problem that the water pump is frequently started and blocked to result in burning loss, unsmooth startup exhaust, water leakage, idle running and other problems of the water pump. Meanwhile, since the self-suction capacity of the electric pump is poorer, the electric pump is generally hung under the train floor together with the clear water tank. When the electric pump has a fault during the travelling of the train, the electric pump cannot be maintained online.
  • the Chinese patent document CN200820115114.0 discloses a water shortage protection control device and method for a water pump of a railway passenger car water supply system, wherein the device includes a water tank, a water pump, a water pump control device, a water suction pipeline, a water supply pipeline, a water supply pressure sensor, a water supply flow sensor, a water level detection sensor, an air suction pressure sensor and a pressure buffer tank.
  • Water shortage protection of the water pump is carried out in a manner of combining water level detection with air pressure detection in the pipeline.
  • the clear water in the clear water tank at the bottom of the train is directly pressurized through the compressed air of a train air supply system, which has the defects that the manner has pressure bearing requirements on the clear water tank, the pipeline and related valve elements, since the volume of the clear water tank is generally large, the weight of the clear water tank on which having the pressure bearing requirements are proposed will be greatly increased, a hidden trouble of leakage is present, and when the train is stopped for injecting water into the clear water tank, the water supply will be interrupted accordingly, which does not conform to the water use habit of users.
  • the international patent document WO2010070075A1 discloses a pump-less water supply device for mobile use, including a clear water tank for storing clear water and a connecting pipeline for conveying the water to the users, and two intermediate buffer containers are arranged on the connecting pipeline and are connected with the clear water tank.
  • a pressure control device is respectively connected with the clear water tank and the two intermediate buffer containers, the water is conveyed from the clear water tank to the intermediate buffer containers by the pressure difference of the clear water tank and the intermediate buffer containers, and then the water is conveyed from the intermediate buffer containers to the users.
  • this water supply device can convey the water from the clear water tank to the users, the clear water tank needs to be pressurized, and the water supply will be interrupted when water is injected into the clear water tank.
  • the main object of the present invention is to overcome the shortcomings in the above prior art and provide a train water supply device, which can be installed at the bottom of a train, is low in maintenance cost and reliable to operate, has no special pressure bearing requirements on a clear water tank and can continuously supply water.
  • the top of the clear water tank is communicated with the atmosphere.
  • a one-way valve I is arranged on the intermediate pipeline.
  • a one-way valve II and a two-way valve II are arranged on the water supply pipeline.
  • An exhaust port of the ejector is communicated with the atmosphere outside of the train.
  • a two-way valve VI is arranged on the vacuumizing pipeline; and a vacuumizing filtering pressure relief valve and a two-way valve III are arranged on the vacuumizing air supply pipeline.
  • a two-way valve V and a water supply filtering pressure relief valve are arranged on the water supply and air supply pipeline I; and a two-way valve VII is arranged on the water supply and air supply pipeline II, and the water supply and air supply pipeline II shares the water supply filtering pressure relief valve with the water supply and air supply pipeline I.
  • a two-way valve I and a water filter are arranged on the water suction pipeline; and a throttle valve and a two-way valve IV are arranged on the exhaust pipeline.
  • a control method of the train water supply device is as follows:
  • the ejector adopts a multilevel mode and has the characteristics of high ultimate vacuum and high efficiency.
  • the vacuumizing filtering pressure relief valve, the two-way valve III, the ejector, the two-way valve IV, the throttle valve, the water supply filtering pressure relief valve, the two-way valve V, the two-way valve VI and the two-way valve VII are integrated on an integrated air path board, so that the structure is more compact and is convenient to maintain.
  • 1 represents a clear water tank
  • 2 represents a water consumption appliance
  • 3 represents atmosphere outside of a train
  • 4 represents an air source
  • 5 represents a water tank I
  • 6 represents a water tank II
  • 7 represents a water filter
  • 8 represents a two-way valve I
  • 9 represents a one-way valve I
  • 10 represents a one-way valve II
  • 11 represents a two-way valve II
  • 12 represents a vacuumizing filtering pressure relief valve
  • 13 represents a two-way valve III
  • 14 represents an ejector
  • 15 represents a two-way valve IV
  • 16 represents a throttle valve
  • 17 represents a water supply filtering pressure relief valve
  • 18 represents a two-way valve V
  • 19 represents a two-way valve VI
  • 20 represents a VII
  • 21a represents a liquid level switch I
  • 21b represents a liquid level switch II
  • 22a represents a liquid level switch III
  • 22b represents a liquid level switch IV
  • 22c represents a liquid level switch V.
  • a train water supply device includes a clear water tank 1, a water tank I 5, a water tank II 6 and an ejector 14.
  • the top of the clear water tank 1 is communicated with the atmosphere to keep an atmospheric pressure, and no pressure bearing requirement is proposed, so the weight of the clear water tank is relatively small.
  • the water tank I 5 is connected with the clear water tank 1 through a water suction pipeline for temporarily storing clear water flowing out from the clear water tank 1.
  • the water suction pipeline is used for conveying the clear water from the clear water tank 1 to the water tank I 5, and a water filter 7 and a two-way valve I 8 are arranged on the water suction pipeline.
  • the water tank I 5 is connected with the water tank II 6 through an intermediate pipeline.
  • a one-way valve I 9 is arranged on the intermediate pipeline, which can prevent the water from flowing from the water tank II 6 to the water tank I 5.
  • the water tank II 6 is connected with a water consumption appliance 2 through a water supply pipeline.
  • a one-way valve II 10 and a two-way valve II 11 are arranged on the water supply pipeline.
  • the one-way valve II 10 can prevent the water from flowing back from the water consumption appliance 2 to the water supply device.
  • An upper part of the water tank I 5 is connected with a vacuumizing opening of the ejector 14 through a vacuumizing pipeline.
  • An air source interface of the ejector 14 is connected with an air source 4 (for example, with a pressure of 0.5-1.0 MPa) of a train through a vacuumizing air supply pipeline.
  • the exhaust port of the ejector 14 is communicated with atmosphere 3 outside of the train.
  • the ejector 14 is used for generating a negative pressure in the water tank I 5, so that the water flows from the clear water tank 1 to the water tank I 5 through the water suction pipeline.
  • a two-way valve VI 19 is arranged on the vacuumizing pipeline.
  • a vacuumizing filtering pressure relief valve 12 and a two-way valve III 13 are arranged on the vacuumizing air supply pipeline.
  • the vacuumizing filtering pressure relief valve 12 is used for filtering compressed air and adjusting the compressed air to a pressure (for example, 0.4-0.7MPa) necessary for the working of the ejector 14.
  • the upper part of the water tank I 5 is further connected with an outlet of a water supply filtering pressure relief valve 17 through a water supply and air supply pipeline I.
  • An inlet of the water supply filtering pressure relief valve 17 is connected with the air source 4 of the train for removing oil mist and impurities therein, cleaning the compressed air and adjusting the compressed air to the pressure (for example, 50-200KPa) necessary for water supply.
  • a two-way valve V 18 is arranged on the water supply and air supply pipeline I.
  • the upper part of the water tank II 6 is connected with the outlet of the water supply filtering pressure relief valve 17 through a water supply and air supply pipeline II.
  • a two-way valve VII 20 is arranged on the water supply and air supply pipeline II.
  • the upper part of the water tank II 6 further exhausts others to the atmosphere 3 outside of the train through an exhaust pipeline.
  • a throttle valve 16 and a two-way valve IV 15 are arranged on the exhaust pipeline. The throttle valve 16 is used for controlling the exhaust speed of the water tank II 6 and guaranteeing a relatively stable water supply pressure during exhaust.
  • the water tank I 5 is provided with a liquid level switch I 21a and a liquid level switch II 21b from top to bottom for respectively detecting an upper liquid level and a lower liquid level of the water tank I 5.
  • the water tank II 6 is provided with a liquid level switch III 22a, a liquid level switch IV 22b and a liquid level switch V 22c from top to bottom for respectively detecting the upper liquid level, an intermediate liquid level and the lower liquid level of the water tank II 6.
  • the working flow of the present invention is divided into a working flow of the water tank I 5 and a working flow of the water tank II 6.
  • the two parts are executed in parallel and are relatively independent and ⁇ associated functionally.
  • Both of the water tank I 5 and the water tank II 6 are in a preparation state when being started, and only one is in a water supply state in an operation process.
  • the control method of the water tank I is as follows: during startup, if the liquid level in the water tank I 5 is lower than the upper liquid level of the water tank I 5, the ejector works to generate a negative pressure in the water tank I 5 to suck the water in the clear water tank 1 into the water tank I 5, until the liquid level in the water tank I 5 reaches the upper liquid level of the water tank I 5, and then a subsequent flow is carried out.
  • the water tank I 5 When the liquid level in the water tank I 5 is not lower than the lower liquid level of the water tank I 5, the water tank I 5 is set to the water supply state, the water tank II 6 is set to the preparation state, and the water flows from the water tank I 5 to the water consumption appliance; the working flow of the water tank II is as follows: during startup, if the liquid level in the water tank II 6 is lower than the upper liquid level of the water tank II 6, and the water tank I 5 is in the water supply state, the two-way valve IV 15 is opened to exhaust the air in the water tank II 6 through the exhaust pipeline, until the liquid level in the water tank II 6 reaches the upper liquid level of the water tank II 6, and then the two-way valve IV 15 is closed to go to the subsequent flow.
  • the two-way valve II 11 is opened to supply water through the water supply pipeline. If the liquid level in the water tank II 6 is lower than the lower liquid level of the water tank II 6, the two-way valve II 11 is closed, the water supply is paused, and the an alarm of "low water level of the water supply device" is sent.
  • the two-way valve II 11 is opened to supply water through the water supply pipeline, when the water tank I 5 is in the water supply state, the two-way valve IV is opened to exhaust the air in the water tank II 6 through the exhaust pipeline, and the liquid level in the water tank II 6 rises.
  • the two-way valve II 11 is opened, and the possible alarm of "low water level of the water supply device" is removed until the liquid level in the water tank II 6 rises to the upper liquid level of the water tank II 6, then the two-way valve IV 15 is closed to stop the exhaust.
  • the liquid level switch I 21a, the liquid level switch II 21b, the liquid level switch III 22a, the liquid level switch IV 22b and the liquid level switch V 22c have anti-interference function, and when the switch state changes, a control action can be triggered by a certain time delay (for example, 0.5s).

Landscapes

  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Engineering & Computer Science (AREA)
  • Epidemiology (AREA)
  • General Health & Medical Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Water Supply & Treatment (AREA)
  • Domestic Plumbing Installations (AREA)
  • Loading And Unloading Of Fuel Tanks Or Ships (AREA)
  • Jet Pumps And Other Pumps (AREA)
EP13896769.0A 2013-10-28 2013-11-29 Appareil d'alimentation en eau pour train et son procédé de commande Active EP3064655B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN201320670124.1U CN203996238U (zh) 2013-10-28 2013-10-28 一种列车供水装置
CN201310516769.4A CN103612637B (zh) 2013-10-28 2013-10-28 一种列车供水装置及其控制方法
PCT/CN2013/001472 WO2015061929A1 (fr) 2013-10-28 2013-11-29 Appareil d'alimentation en eau pour train et son procédé de commande

Publications (3)

Publication Number Publication Date
EP3064655A1 true EP3064655A1 (fr) 2016-09-07
EP3064655A4 EP3064655A4 (fr) 2016-12-28
EP3064655B1 EP3064655B1 (fr) 2018-09-12

Family

ID=53003069

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13896769.0A Active EP3064655B1 (fr) 2013-10-28 2013-11-29 Appareil d'alimentation en eau pour train et son procédé de commande

Country Status (2)

Country Link
EP (1) EP3064655B1 (fr)
WO (1) WO2015061929A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106968291A (zh) * 2017-04-07 2017-07-21 湖南广源供水设备科技有限公司 二次供水小区住户入住率智能判断方法

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107215683A (zh) * 2017-06-26 2017-09-29 中交航局安装工程有限公司 一种散货码头大型运输机械用上水装置
CN114047789B (zh) * 2021-11-10 2023-08-18 深圳安吉尔饮水产业集团有限公司 一种水箱补水控制方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB904568A (en) * 1960-04-20 1962-08-29 Drysdale & Co Ltd Water supply system
ZA756049B (en) * 1974-10-03 1976-09-29 Monogram Ind Inc Grey water recovery, toilet and human waste products treatment and disposal system
CN1868792A (zh) * 2005-05-27 2006-11-29 赵彦峰 铁路客车自动上水装置
DE202008016607U1 (de) 2008-12-17 2009-03-05 Evac Gmbh Pumpenlose Wasserversorgungseinrichtung für mobilen Einsatz
CN202850125U (zh) * 2012-09-27 2013-04-03 重庆鸽牌电瓷有限公司 一种循环水箱

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106968291A (zh) * 2017-04-07 2017-07-21 湖南广源供水设备科技有限公司 二次供水小区住户入住率智能判断方法
CN106968291B (zh) * 2017-04-07 2020-04-17 湖南广源供水设备科技有限公司 防止二次供水水箱中水质二次污染的方法

Also Published As

Publication number Publication date
EP3064655B1 (fr) 2018-09-12
WO2015061929A1 (fr) 2015-05-07
EP3064655A4 (fr) 2016-12-28

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