WO2015117600A1 - Dispositif et procédé de surveillance de l'écoulement de milieux liquides ou solides, en particulier de sable, transportés au moyen d'air comprimé, dispositif d'épandage de sable pour véhicules, ainsi que véhicule équipé d'un tel dispositif d'épandage de sable - Google Patents

Dispositif et procédé de surveillance de l'écoulement de milieux liquides ou solides, en particulier de sable, transportés au moyen d'air comprimé, dispositif d'épandage de sable pour véhicules, ainsi que véhicule équipé d'un tel dispositif d'épandage de sable Download PDF

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Publication number
WO2015117600A1
WO2015117600A1 PCT/DE2015/100037 DE2015100037W WO2015117600A1 WO 2015117600 A1 WO2015117600 A1 WO 2015117600A1 DE 2015100037 W DE2015100037 W DE 2015100037W WO 2015117600 A1 WO2015117600 A1 WO 2015117600A1
Authority
WO
WIPO (PCT)
Prior art keywords
compressed air
medium
flow
container
sand
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.)
Ceased
Application number
PCT/DE2015/100037
Other languages
German (de)
English (en)
Inventor
Peter Pietrowski
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.)
IBEG SYSTEMS GmbH
Original Assignee
IBEG SYSTEMS GmbH
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
Application filed by IBEG SYSTEMS GmbH filed Critical IBEG SYSTEMS GmbH
Priority to DE112015000647.8T priority Critical patent/DE112015000647A5/de
Publication of WO2015117600A1 publication Critical patent/WO2015117600A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B39/00—Increasing wheel adhesion
    • B60B39/02—Vehicle fittings for scattering or dispensing material in front of its wheels
    • B60B39/04—Vehicle fittings for scattering or dispensing material in front of its wheels the material being granular, e.g. sand
    • B60B39/08—Vehicle fittings for scattering or dispensing material in front of its wheels the material being granular, e.g. sand the dispensing being effected by fluid means
    • B60B39/086—Vehicle fittings for scattering or dispensing material in front of its wheels the material being granular, e.g. sand the dispensing being effected by fluid means dispensing being effected by gas
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B39/00—Increasing wheel adhesion
    • B60B39/02—Vehicle fittings for scattering or dispensing material in front of its wheels
    • B60B39/021—Details of the dispensing device
    • B60B39/023—Details of the dispensing device related to metering valves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B39/00—Increasing wheel adhesion
    • B60B39/02—Vehicle fittings for scattering or dispensing material in front of its wheels
    • B60B39/021—Details of the dispensing device
    • B60B39/025—Details of the dispensing device related to the control system
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61C—LOCOMOTIVES; MOTOR RAILCARS
    • B61C15/00—Maintaining or augmenting the starting or braking power by auxiliary devices and measures; Preventing wheel slippage; Controlling distribution of tractive effort between driving wheels
    • B61C15/08—Preventing wheel slippage
    • B61C15/10—Preventing wheel slippage by depositing sand or like friction increasing materials
    • B61C15/102—Preventing wheel slippage by depositing sand or like friction increasing materials with sanding equipment of mechanical or fluid type, e.g. by means of steam

Definitions

  • the invention relates to an apparatus and a method for monitoring the flow of liquid or solid media carried by compressed air,
  • the invention also relates to a sanding device for
  • Vehicles with a corresponding device for flow monitoring and a vehicle with such a sanding device Vehicles with a corresponding device for flow monitoring and a vehicle with such a sanding device.
  • discharge line When conveyed by compressed air liquid or solid media such as sand in particular, there is often the desire to check the flow of the respective medium by a corresponding line, called discharge line below, or even to record in terms of quantity.
  • the amount of medium flowing through a corresponding supply line can be easily monitored by monitoring the
  • Weight gain of a container in which the medium is filled are determined. For certain other operations, this is not readily possible, e.g. in the case of application of sand by means of so-called sand scattering devices, especially in rail vehicles and buses to increase the adhesion of the wheels on a smooth surface and improve the braking effect.
  • sanding devices are e.g. from the publications DE
  • Sand scattering devices are referred to, but of course with the devices also any other suitable to achieve the desired effect media can be applied. So if below the usual
  • the known sanding devices always comprise at least one
  • Sand containers and are usually divided into so-called open and closed systems, depending on whether the sand container is pressurized during operation or not. From the sand container, the sand can pass through a pipe to a sanding site.
  • the transport of the sand or other medium from a corresponding container to a delivery point takes place in that a pressurized gas, usually generated by a compressor compressed air is supplied via a gas line to a mixing chamber , which is connected to a container for the material and a discharge line.
  • a pressurized gas usually generated by a compressor compressed air
  • the medium to be transported can fall under the influence of gravity in the mixing chamber, can by pressurizing the container in the
  • Mixing chamber can be pressed or can be sucked into the mixing chamber during operation by a suction generated by the compressed air flowing through the mixing chamber to the discharge line.
  • the medium is then entrained by the compressed air and through the discharge line to a discharge point, in vehicles e.g. to a sand nozzle, transported.
  • Function of the respective spreader can be closed, because in motion vehicles and thus the container continuously
  • corresponding imaging sensors are easily contaminated and typically require an operator to inspect the moving images they provide, to see if there is any flow of sand.
  • sand is usually scattered just when the traffic situation demands increased attention from the driver of the respective vehicle anyway.
  • the invention has for its object to provide a device and a method which make it possible to check in a simple and cost-effective manner, whether a medium flows through a discharge line. Furthermore, it is an object of the invention to provide both a sanding device with such a device and a vehicle with such a sanding device.
  • the independent claim 10 relates to the use of a pressure sensor for monitoring the flow at
  • the gas line can advantageously be provided with a pressure sensor for retrofitting existing sand-spreading devices, without the complete sand-spreading device having to be replaced. Further details and advantages of the invention will become apparent from the
  • Fig. 1 shows a schematic representation of the essential
  • Fig. 1 is a designated in its entirety with 10 device for
  • the device 10 comprises, in addition to the discharge line 12, a compressed air source 14, a gas line 16 connected to a compressed air source 14, a pressure sensor 18 for detecting the pressure in the gas line, a container 20 for the medium to be conveyed, a mixing chamber 22, a filling level sensor 24 Detection of the fluid level in the container 20 and an evaluation unit, not shown in the drawing and also not shown means for outputting information.
  • the mixing chamber 22 is connected to the gas line 16, the container 20 and the
  • Discharge line 12 connected. During operation of the device 10 medium from the container in a conventional manner the mixing chamber 22, wherein the
  • the device may be designed so that the medium flows under the influence of gravity from the container 20 into the mixing chamber, is forced by compressed air from the container into the mixing chamber or is sucked by flowing through the mixing chamber compressed air into the mixing chamber. From the mixing chamber 22, the medium is then transported by the compressed air through the discharge line 12 to the desired discharge point, for example, to increase the braking effect in rail vehicles.
  • the discharge pipe 12 opens into a sand outlet pipe, a sand outlet nozzle or a sand outlet hose, which may be a separate component but also an end portion of the discharge pipe 12.
  • an overpressure which may vary depending on the delivery state. This overpressure is over the
  • Pressure sensor 18 detected.
  • the evaluation unit coupled to the pressure sensor 18 evaluates signals generated by the pressure sensor 18 so that information about the flow of the medium, in particular, can be output via the means for outputting information coupled to the evaluation unit. In the simplest embodiment, it can be concluded from the detected pressure alone on the flow of the medium. Preferably, however, are also detected by the optionally provided level sensor 24
  • Evaluated information from the evaluation unit which can be detected from the combination of information from pressure and level sensor, which amount is currently being transported.
  • Air compressor or compressor can be reliably detected.
  • the evaluation unit may be a multifunctional computer unit, as it already exists in many vehicles in which sand-spreading devices are used, and which is then advantageous
  • Evaluation units can be dispensed with.
  • various desired states for example in the form of a look-up table, can be programmed, in which case very precise statements about the operating state can then be made, in particular, by the combination of the information from the pressure and level sensors.
  • the signals of the sensors can be evaluated by the evaluation unit, for example with regard to the flow rate and / or the flow rate. This can then automatic diagnostic functions be realized, by means of which, for example, the presence of a constriction or blockage in the discharge can be detected.
  • Vehicles with the device according to the invention may also be necessary to provide special evaluation units for evaluating the signals generated by the sensors.
  • the invention allows the skilled person to choose the optimal configuration for the particular application.
  • the means for outputting information about the flow of the medium may comprise means for outputting visual and / or audible messages, which are optimally adapted to the respective intended use.
  • a e.g. green light emitting diode is arranged at
  • Operation of the sanding device then lights when the device according to the invention determines that sand is actually being transported. Furthermore, e.g. a red light-emitting diode and / or means for generating an acoustic warning signal to be provided which emit an audible and / or visual warning message when operating the sanding device when the device according to the invention determines that despite operation of the sanding device little or no sand is conveyed.
  • the invention can be used advantageously not only in sanding devices, but always when liquid or solid media are conveyed in a line by means of compressed air.
  • a gas other than air may be used to convey the materials.
  • compressed air is used as a rule, in the above description and the

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Automation & Control Theory (AREA)
  • Air Transport Of Granular Materials (AREA)

Abstract

L'invention concerne un dispositif (10) servant à surveiller l'écoulement de milieux liquides ou solides, en particulier de sable, transportés dans une conduite de décharge au moyen d'air comprimé, comprenant : une conduite de gaz (16) qui peut être reliée à une source d'air comprimé (14) ; un réservoir (20) pour le milieu à transporter ; une chambre de mélange (22), reliée à la conduite de gaz (16), au réservoir (20) et à la conduite de décharge (12), dans laquelle le milieu peut être alimenté à partir du réservoir lorsque le dispositif est en service puis évacué de la chambre de mélange (22) par l'air comprimé via la conduite de décharge (12) ; un capteur de pression (18) servant à surveiller la pression qui règne dans la conduite de gaz (16) ; un module d'évaluation, couplé au capteur de pression (18), qui sert à évaluer les signaux générés par le capteur de pression (18) ; et des moyens, couplés au module d'évaluation, pour délivrer en sortie des informations concernant l'écoulement du milieu.
PCT/DE2015/100037 2014-02-04 2015-01-28 Dispositif et procédé de surveillance de l'écoulement de milieux liquides ou solides, en particulier de sable, transportés au moyen d'air comprimé, dispositif d'épandage de sable pour véhicules, ainsi que véhicule équipé d'un tel dispositif d'épandage de sable Ceased WO2015117600A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE112015000647.8T DE112015000647A5 (de) 2014-02-04 2015-01-28 Vorrichtung und Verfahren zur Überwachung des Flusses von mittels Druckluft beförderten flüssigen oder festen Medien, insbesondere Sand, Sandstreuvorrichtung für Fahrzeuge sowie Fahrzeug mit einer solchen Sandstreuvorrichtung

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE102014101378 2014-02-04
DE102014101378.6 2014-02-04
DE102014112743.9 2014-09-04
DE102014112743.9A DE102014112743A1 (de) 2014-02-04 2014-09-04 Vorrichtung und Verfahren zur Überwachung des Flusses von mittels Druckluft beförderten flüssigen oder festen Medien, insbesondere Sand, Sandstreuvorrichtung für Fahrzeuge sowie Fahrzeug mit einer solchen Sandstreuvorrichtung

Publications (1)

Publication Number Publication Date
WO2015117600A1 true WO2015117600A1 (fr) 2015-08-13

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2015/100037 Ceased WO2015117600A1 (fr) 2014-02-04 2015-01-28 Dispositif et procédé de surveillance de l'écoulement de milieux liquides ou solides, en particulier de sable, transportés au moyen d'air comprimé, dispositif d'épandage de sable pour véhicules, ainsi que véhicule équipé d'un tel dispositif d'épandage de sable

Country Status (2)

Country Link
DE (2) DE102014112743A1 (fr)
WO (1) WO2015117600A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102020104216A1 (de) 2020-02-18 2021-08-19 Knorr-Bremse Gesellschaft Mit Beschränkter Haftung Diagnosevorrichtung für einen Sanddosierer für ein Sandungssystem für ein Schienenfahrzeug und Verfahren zum Durchführen einer Diagnose für einen Sanddosierer für ein Sandungssystem für ein Schienenfahrzeug
CN112161661B (zh) * 2020-09-28 2022-03-25 西南石油大学 一种排砂管线岩屑流量测量装置及其标定方法

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4238049A1 (de) 1992-11-11 1994-05-19 Ibeg Masch & Geraetebau Schüssel einer Sandstreueinrichtung für Schienenfahrzeuge
DE4429370A1 (de) 1994-03-25 1995-09-28 Joachim Schaefer Vorrichtung für ein Kraftfahrzeug zur bedarfsweisen Ausbringung von Streugut
DE10044608A1 (de) 2000-09-08 2002-04-18 Ibeg Masch & Geraetebau Sandstreueinrichtung für Schienenfahrzeuge
EP1713647A1 (fr) * 2004-02-11 2006-10-25 Goldmann, Norbert Dispositif pour surveiller l'ecoulement d'une matiere d'epandage dans un vehicule
WO2007045310A1 (fr) * 2005-10-17 2007-04-26 Goldmann, Norbert Dispositif pour surveiller le flux de sable dans des vehicules ferroviaires
WO2010136960A2 (fr) * 2009-05-26 2010-12-02 University Of Kwazulu-Natal Système d'amélioration de traction
WO2013101448A1 (fr) * 2011-12-28 2013-07-04 General Electric Company Système et méthode de commande de véhicules ferroviaires

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4238049A1 (de) 1992-11-11 1994-05-19 Ibeg Masch & Geraetebau Schüssel einer Sandstreueinrichtung für Schienenfahrzeuge
DE4429370A1 (de) 1994-03-25 1995-09-28 Joachim Schaefer Vorrichtung für ein Kraftfahrzeug zur bedarfsweisen Ausbringung von Streugut
DE10044608A1 (de) 2000-09-08 2002-04-18 Ibeg Masch & Geraetebau Sandstreueinrichtung für Schienenfahrzeuge
EP1713647A1 (fr) * 2004-02-11 2006-10-25 Goldmann, Norbert Dispositif pour surveiller l'ecoulement d'une matiere d'epandage dans un vehicule
WO2007045310A1 (fr) * 2005-10-17 2007-04-26 Goldmann, Norbert Dispositif pour surveiller le flux de sable dans des vehicules ferroviaires
WO2010136960A2 (fr) * 2009-05-26 2010-12-02 University Of Kwazulu-Natal Système d'amélioration de traction
WO2013101448A1 (fr) * 2011-12-28 2013-07-04 General Electric Company Système et méthode de commande de véhicules ferroviaires

Also Published As

Publication number Publication date
DE102014112743A1 (de) 2015-08-06
DE112015000647A5 (de) 2016-11-17

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