EP3825199B1 - Procédé et système de contrôle de la fonctionnalité d'éléments mobiles d'étanchéité de conduits de ventilation d'un matériel roulant - Google Patents

Procédé et système de contrôle de la fonctionnalité d'éléments mobiles d'étanchéité de conduits de ventilation d'un matériel roulant Download PDF

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Publication number
EP3825199B1
EP3825199B1 EP20208262.4A EP20208262A EP3825199B1 EP 3825199 B1 EP3825199 B1 EP 3825199B1 EP 20208262 A EP20208262 A EP 20208262A EP 3825199 B1 EP3825199 B1 EP 3825199B1
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EP
European Patent Office
Prior art keywords
mobile
functionality
air
rolling stock
sealing
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.)
Active
Application number
EP20208262.4A
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German (de)
English (en)
French (fr)
Other versions
EP3825199A1 (fr
Inventor
David Goeres
Loïc Planchette
Fabrice HICKENBICK
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.)
SNCF Voyageurs SA
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SNCF Voyageurs SA
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Publication date
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Publication of EP3825199A1 publication Critical patent/EP3825199A1/fr
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D27/00—Heating, cooling, ventilating, or air-conditioning
    • B61D27/0018—Air-conditioning means, i.e. combining at least two of the following ways of treating or supplying air, namely heating, cooling or ventilating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D19/00—Door arrangements specially adapted for rail vehicles
    • B61D19/02—Door arrangements specially adapted for rail vehicles for carriages

Definitions

  • the invention relates to the field of air distribution and ventilation in rolling stock.
  • the invention relates more particularly to the field of sealing the ventilation ducts of rolling stock.
  • air renewal and, where appropriate, air conditioning installations in rolling stock include ventilation ducts - or ducts - to ensure the circulation of air on the one hand from the outside to the inside of the rolling stock, and on the other hand from the inside to the outside of the rolling stock.
  • the documents JP S51 160308 U , FR 2 728 526 A1 And US 2019/023121 A1 describe examples of rolling stock including a ventilation device.
  • the installation also includes mobile motorized sealing elements, typically sealing shutters, at the level of the air inlets in the rolling stock - we then speak of air inlet flaps - and at the level of the air outlets of the rolling stock - we then speak of air extraction flaps.
  • These shutters are motorized and controlled between an opening position of the air inlets and/or outlets and a closing position of said air inlets and/or outlets.
  • the opening position of the shutters is associated with an opening functionality ensuring optimal circulation of air in the ventilation ducts, while the closing position of the shutters is associated with a sealing functionality ensuring the watertight closure of said conduits.
  • the motorized shutters are closed beforehand to avoid pressure gradients inside. rolling stock and thus preserve the eardrum comfort of users. These shutters are also ordered to close when the rolling stock approaches an area where the outside air is or risks being polluted, for example by industrial fumes.
  • the invention therefore aims to propose a method and a system for controlling the functionality of the sealing shutters of ventilation ducts of rolling stock, independent of the motorization means of said shutters.
  • the invention also relates to a system for controlling the functionality of mobile sealing elements of a ventilation device of rolling stock, which rolling stock comprises at least one access door to the outside, which mobile elements are arranged in ventilation ducts of said ventilation device respectively at an air inlet inside the rolling stock and an air outlet outside the rolling stock and are motorized between a position d opening associated with an opening functionality of said movable elements ensuring optimal circulation of air in the ducts, and a closing position associated with a sealing functionality of said movable elements ensuring the watertight closure of the ducts, which system is provided for be embedded in the rolling stock and comprises processing and control means comprising a memory area and configured to implement the method as described above.
  • the invention finally aims at rolling railway equipment comprising at least one passenger car, each car comprising a ventilation device comprising an air inlet inside the car and an air outlet towards the outside of the car, the ventilation device further comprising two mobile sealing elements arranged respectively at the air inlet and the air outlet, the mobile elements being motorized between an open position and a watertight closing position of the air inlet and the air outlet, characterized in that it comprises a system for controlling the functionality of the mobile sealing elements as described previously.
  • the train comprises at least one passenger car 1, 1' designed to accommodate passengers, and most often, the train comprises a plurality of these passenger cars 1, 1'.
  • the train also includes a ventilation device, which comprises a plurality of ventilation ducts or ducts, most of which communicate with the exterior of the train, to allow an exchange of air between the interior and exterior of the train.
  • each passenger car 1, 1' comprises at least one air inlet 9 allowing outside air to enter the car 1, 1' via the conduit considered, and at least one air outlet 10 allowing the interior air to be extracted from the car 1, 1' via the conduit in question.
  • the ventilation device comprises, at each of its air inlets and its air outlets, a mobile sealing element 7, 8 provided in the ventilation duct in question.
  • This mobile element is preferably a sealing flap 7, 8, and will be named thus in the remainder of the description.
  • the sealing shutter 7, 8 in its open position is associated with a so-called circulation functionality ensuring optimal circulation of air in the ventilation duct considered, while the shutter 7, 8 in its closed position is associated with a so-called sealing functionality ensuring the watertight closure of said conduit.
  • the ventilation device also includes means for circulating air between the interior and exterior of the train, as well as means for air conditioning the air entering the train.
  • the means of air circulation and the means of air conditioning are of known type, distributed in all the passenger cars 1, 1' and controlled by the processing and control means, which we will call for simplicity "control means" in the remainder of the description.
  • each passenger car 1 comprises a passenger room 2 and an access room 3 to said car, adjacent to the passenger room 2
  • these two rooms 2, 3 are separated by a door called room 5, operable by travelers.
  • this door 5 is motorized between these two open and closed positions, and controlled by the control means.
  • the passenger car 1 also includes an access door 4 provided at the level of the access room 3, which allows travelers to enter or exit the car 1.
  • This access door includes an opening device and motorized closing which is controlled by the on-board control means.
  • the access door 4 comprises at least a first seal formed on the periphery of the door, which seal is intended to come into contact with a second seal provided on the contour of the door. access opening provided in the chassis of the passenger car 1.
  • part of the air circulation and air conditioning means are housed in the passenger room 1. These circulation and air conditioning means are connected to a first end of a first ventilation duct, the second of which end opens towards the outside of the train, and at a first end of a second ventilation duct whose second end also opens towards the outside of the train.
  • the second end of the first conduit is the air inlet 9, so that the flap 7 arranged at this second end is the air inlet flap 7 in the car 1.
  • the second end of the second conduit is the air outlet 10, so that the flap arranged at this second end is the air extraction flap 8 of the car 1.
  • the passenger car 1' has two floors, respectively upper and lower, each including a passenger room. There figure 2 represents the passenger room 2' of the lower floor.
  • the passenger car 1' includes, in addition to the passenger room 2' and the access room 3', a closed technical room 15, not accessible to passengers and adjacent to the passenger room 2'.
  • the technical room 15 includes part of the air circulation and air conditioning means 14, as well as the first conduit whose second end communicates with the exterior of the train to form the air inlet 9.
  • the air therefore enters in the technical room and circulates in the first conduit towards the air conditioning means 14.
  • the air conditioned air then circulates according to arrows 12 and 13 of the figure 2 towards the passenger room 2' via a third conduit provided in the technical room 15, connected by a first end to the circulation and air conditioning means 14 and a second end of which opens into the passenger room 2'.
  • the circulation and air conditioning means 14 comprise a fourth conduit provided in the technical room 15, a first end of which is connected to said circulation and air conditioning means 14 and a second end of which opens into the passenger room 2'.
  • This fourth conduit allows the return 11 of part of the air from the passenger room 2' to the circulation and air conditioning means 14.
  • the circulation and air conditioning means 14 comprise a regulating device (not shown ) which results in the air entering 12 in the passenger room 2' being a mixture between the air coming directly from the outside 9 and the air coming from the air return 11. This regulation device optimizes the energy consumption by the circulation and air conditioning means 14 while guaranteeing air quality in the passenger car 1' adapted to the transport of passengers.
  • the shutters 7, 8 are motorized by appropriate means between an open position ensuring air circulation and a watertight closing position of the ventilation ducts.
  • the shutters 7, 8 being controlled by the control means, it is possible for a user to know at any time the theoretical position of the shutters 7, 8, from the last command sent to the motorization means of said shutters 7, 8.
  • control means are not able to detect a malfunction of the motorization of the shutters 7, 8.
  • a shutter 7, 8 controlled in closing can remain blocked in the open position, or a shutter 7, 8 controlled in opening can remain blocked in the closed position, without the control means allowing the detection of the problem.
  • the control means are also not able to detect a structural defect of the shutter 7, 8, for example a deformation of said shutter which would prevent any watertight closure even if the motorization of the shutter 7, 8 were operating.
  • the planned functionality of the shutter 7, 8 is defective because it is contrary to the expected functionality following the command sent by the control means.
  • the train comprises a system for controlling the functionality of the flaps 7, 8, independent of the motorization means of said flaps. Indeed, the opening behavior of the access door 4, 4' to the passenger car 1, 1' depends directly on the flap 7, 8 whose functionality is defective.
  • the ambient air pressure in the passenger room 2, 2' will increase significantly (since in both cases the extraction flap 8 is closed while the inlet flap 7 is either open or damaged, which allows air to enter the car 1, 1' but not to exit).
  • This overpressure results in a more rapid opening of the access door considered 4, 4' compared to a determined average time, the value of which is recorded in a memory area of the control means.
  • the torque exerted by the motor of the access door 4, 4' is less than a determined torque whose value is recorded in the memory space of the control means.
  • the ambient air pressure in the passenger room will decrease slightly (since in both cases the extraction flap 8 is either open or damaged while the entrance flap 7 is closed, which allows air to exit the car 1.1' but not to enter).
  • This depression results in a slower opening of the access door considered 4, 4' compared to the determined average time.
  • the torque exerted by the motor of the access door 4, 4' is greater than the determined torque.
  • Said control system comprises control means on board the train which are capable of implementing a method of controlling the functionality of the flaps 7, 8 which will be described below.
  • the system of the invention also comprises means for determining a torque function, which is the representation of the torque exerted by the motorization device of the access door considered 4, 4' as a function of time, which means of determination include at least one torque sensor for each access door 4, 4' of the train.
  • the control system includes means for determining the opening time of the access door considered 4, 4', in particular a stopwatch.
  • control means check that the access doors 4, 4' are all closed. If this is not the case, said control means control the closing of the access doors 4, 4' which are still open.
  • control means control the closing of all of the intercirculation doors 6, 6' of the train.
  • the 1.1' passenger cars are isolated from each other.
  • control means control the opening of all the room doors 5, 5' to standardize the air pressure between the passenger room 2, 2' and the access room 3, 3' of passenger cars 1, 1'.
  • control means control the closing of all the sealing flaps 7, 8.
  • the control means send a command to open the access doors 4, 4' of the train, and simultaneously trigger the stopwatch to measure the time 'opening of each access door 4, 4', until the latter are completely opened.
  • the torque sensors continuously measure the torque exerted by the motorized devices considered for opening the access doors 4, 4', which torque sensors return the acquired data to the control means which record them in its memory space , determine the torque function(s) from these data and associate each torque function and opening time determined with the access door considered 4, 4'.
  • control means determine the difference on the one hand between the opening time of each access door 4, 4' and a determined reference time, and on the other hand between the function opening torque of each access door 4, 4' and a determined reference torque function.
  • the control means check whether the opening torque function at at least one door d The access has at least one deviation at a given time with the reference torque function which is greater than a determined threshold.
  • This threshold is for example a deviation of ten to twenty percent compared to the reference torque function at a given time. If the differences in torque functions corroborate the differences in opening times, then the first analysis is confirmed and the control means generate an alert indicating that the extraction flap 8 or the entry flap 7 of the car(s) considered 1, 1' has defective sealing functionality.
  • this confirmation by comparison of couples is not carried out, the alert is still generated by the control means following the opening time comparisons.
  • control means control the opening of all the sealing flaps 7, 8.
  • this first analysis can be confirmed by a comparison of the couple functions openings of access doors 4, 4' with the reference torque function. If the differences in torque corroborate the differences in opening times, then the first analysis is confirmed and the control means generate an alert indicating that the extraction flap 8 or the entry flap 7 of the car(s) considered 1 , 1' has defective circulation functionality. Of course, if this confirmation by comparison of couples is not carried out, the alert is still generated by the control means following the opening time comparisons.
  • the method of controlling the The invention is implemented twice in succession, a first time following a command to open or close the shutters 7, 8, and a second time following an opposing command to open or close the shutters 7, 8
  • the access doors 4, 4' are of course closed by the control means.
  • the method and the system of the invention make it possible to carry out a third and final optional test, which makes it possible to definitively confirm that the longer or shorter opening time of the access door(s) considered 4 , 4' is due either to defective functionality of the shutter(s) considered 7, 8, or to a malfunction of the motorization of said access doors 4, 4'.
  • This last test is carried out on one or more passenger cars 1, 1' whose opening time of the access door 4, 4' is significantly longer than the reference time.
  • the access door 4, 4' of the car 1, 1' of which the flaps 7, 8 are suspected of having defective functionality is previously closed by the control means.
  • the method of the invention is then implemented following a first command to open or close the shutters 7, 8, so as to record a first opening time of the access door 4, 4' as well as 'a first associated couple.
  • the access door 4, 4' is closed again by the control means, then the process is implemented a second time following a second command to open or close the shutters 7, 8, opposing the first order. In this way, a second opening time of the access door 4, 4' and a second associated torque are recorded by the control means.
  • the control means then compare the first opening time and the second opening time. If the difference between these two times is greater than a determined value, which value represents for example a difference of ten percent between said first and second times, then the control means generate an alert indicating that the door motorization device 'port 4, 4' is defective. On the other hand, if the difference between the two times is less than or equal to the determined value, then the control means generate another alert indicating which sealing flap 7, 8 has defective functionality.
  • a determined value which value represents for example a difference of ten percent between said first and second times
  • the third test is implemented and repeated for each passenger car 1, 1' of the train.
  • this alternative makes it possible to reliably determine the shutters 7, 8 with defective functionality and the access doors 4, 4' whose motorization is defective.
  • the method of the invention can be implemented with any parameter associated with the access door 4, 4' and independent of the motorization means of the shutters 7, 8, and whose value depends directly on the pressure prevailing inside the passenger car 1, 1'.
  • the control system of the invention is then provided with determination means specific to the parameter to be determined.
  • the diagram of the figure 2 can also be applied to a one- or two-level passenger car positioned at the end of the train.
  • the torque exerted by the motor of each access door can be determined in any other known manner, for example by analyzing the electric current passing through said motor.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Power-Operated Mechanisms For Wings (AREA)
  • Ventilation (AREA)
EP20208262.4A 2019-11-19 2020-11-18 Procédé et système de contrôle de la fonctionnalité d'éléments mobiles d'étanchéité de conduits de ventilation d'un matériel roulant Active EP3825199B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1912892A FR3103261B1 (fr) 2019-11-19 2019-11-19 Procédé et système de contrôle de la fonctionnalité d’éléments mobiles d’étanchéité de conduits de ventilation d’un matériel roulant.

Publications (2)

Publication Number Publication Date
EP3825199A1 EP3825199A1 (fr) 2021-05-26
EP3825199B1 true EP3825199B1 (fr) 2023-10-11

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Application Number Title Priority Date Filing Date
EP20208262.4A Active EP3825199B1 (fr) 2019-11-19 2020-11-18 Procédé et système de contrôle de la fonctionnalité d'éléments mobiles d'étanchéité de conduits de ventilation d'un matériel roulant

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EP (1) EP3825199B1 (es)
ES (1) ES2967862T3 (es)
FR (1) FR3103261B1 (es)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51160308U (es) * 1975-06-13 1976-12-20
FR2728526B1 (fr) * 1994-12-22 1997-01-31 Gec Alsthom Transport Sa Dispositif et procede de suppression des variations brutales de pression dans les vehicules
DE102017116646A1 (de) * 2017-07-24 2019-01-24 Valeo Klimasysteme Gmbh Verschlusseinheit, Verfahren zum Erfassen fehlerbehafteter Verschlussklappen einer Verschlusseinheit sowie Kraftfahrzeug
KR101959801B1 (ko) * 2017-07-27 2019-03-20 에스엘 주식회사 차량용 액티브 에어 플랩의 구동 장치

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Publication number Publication date
ES2967862T3 (es) 2024-05-06
EP3825199A1 (fr) 2021-05-26
FR3103261A1 (fr) 2021-05-21
FR3103261B1 (fr) 2021-11-12

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