EP4110672A1 - Dispositif et procédé pour protéger une fenêtre d'observation - Google Patents

Dispositif et procédé pour protéger une fenêtre d'observation

Info

Publication number
EP4110672A1
EP4110672A1 EP21715143.0A EP21715143A EP4110672A1 EP 4110672 A1 EP4110672 A1 EP 4110672A1 EP 21715143 A EP21715143 A EP 21715143A EP 4110672 A1 EP4110672 A1 EP 4110672A1
Authority
EP
European Patent Office
Prior art keywords
vehicle
viewing window
closure
compressed air
optical device
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.)
Pending
Application number
EP21715143.0A
Other languages
German (de)
English (en)
Inventor
Ralf Mayer
Günter Wolf
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.)
Siemens Mobility GmbH
Original Assignee
Siemens Mobility 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 Siemens Mobility GmbH filed Critical Siemens Mobility GmbH
Publication of EP4110672A1 publication Critical patent/EP4110672A1/fr
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D17/00—Construction details of vehicle bodies
    • B61D17/04—Construction details of vehicle bodies with bodies of metal; with composite, e.g. metal and wood body structures
    • B61D17/10—Floors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D17/00—Construction details of vehicle bodies
    • B61D17/04—Construction details of vehicle bodies with bodies of metal; with composite, e.g. metal and wood body structures
    • B61D17/12—Roofs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D25/00—Window arrangements peculiar to rail vehicles
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/0006—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 with means to keep optical surfaces clean, e.g. by preventing or removing dirt, stains, contamination, condensation
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B17/00—Details of cameras or camera bodies; Accessories therefor
    • G03B17/02—Bodies
    • G03B17/08—Waterproof bodies or housings
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B30/00—Camera modules comprising integrated lens units and imaging units, specially adapted for being embedded in other devices, e.g. mobile phones or vehicles

Definitions

  • the invention relates to a device and a method for protecting a viewing window of a vehicle, in particular a track-bound vehicle.
  • the viewing window is located at least temporarily on the outside of the vehicle.
  • the device comprises an optical device protected from the outside by the viewing window.
  • the publication WO 2018/099670 A1 relates to a device for monitoring a spatial area in the vicinity of a rail vehicle.
  • a device of the type mentioned at the beginning which comprises a closure device.
  • the locking device has at least one mechanical lock.
  • the closure device is designed to cover the viewing window as a function of an operating state of the vehicle by means of the mechanical closure.
  • the invention is based on the knowledge that panes of external cameras, for example cameras for capturing the surroundings of the vehicle, are frequently exposed to severe pollution.
  • External cameras are sometimes used on rail vehicles for various purposes, e.g. B. for monitoring the pantographs, the change of passengers, the coupling process and other processes.
  • the camera optics or the protective panes in front of them become soiled over time that the camera can no longer deliver usable images.
  • Previous mechanisms for reducing this pollution are active during ferry operation, but inactive when the vehicle is in an energy-saving operating state or when the vehicle is disarmed and parked.
  • the problem here is that significant soiling occurs even when the vehicle is parked. For example, this soiling occurs within a parking facility from shunting operations or from nearby loading stations. This makes regular cleaning with comparatively short cleaning intervals necessary. Since automatic washing systems may not be able to capture the areas in which the cameras are installed or the viewing windows cannot be reached through add-on parts, the viewing windows have to be laboriously cleaned by hand. Some of the cameras are difficult to reach. For example, a roof-top workstation must be available for cleaning a camera for pantograph monitoring.
  • the solution according to the invention eliminates these problems by providing a locking device with a mechanical lock, in which the viewing window can be covered by means of the mechanical lock depending on an operating state of the vehicle. In this way, the viewing window can be protected from soiling in predetermined operating states. Any soiling is then deposited on the closure and not on the viewing window.
  • the mechanical shutter is also often referred to as a shutter by experts.
  • An operating state in which the viewing window is covered by means of the mechanical shutter is preferably an operating state in which the optical device is not required.
  • the vehicle is designed as a track-bound vehicle, it is preferably a rail vehicle, more preferably a multiple unit.
  • the viewing window is located on the outside of the vehicle, for example, permanently or only temporarily.
  • the optical device is preferably designed as a light source and / or light detector.
  • the optical device also preferably comprises a camera or is designed as a camera.
  • the mechanical lock is preferably mounted such that it can be displaced in such a way that it can be pushed in front of the viewing window to cover the viewing window.
  • the closure can be moved by means of an actuator into a covering position in which the closure covers the viewing window and / or an opening position in which the closure at least partially exposes the viewing window.
  • the actuator comprises, for example, an electric motor, the rotational movement of which is converted into a translational movement by means of a threaded spindle.
  • the actuator is designed as an eccentric or linear motor.
  • a control unit for controlling the actuator is preferably connected in terms of data technology to a communication network of the vehicle, for example a so-called control network or operator network. Via the communication network, the control unit receives information from which the current operating status of the vehicle can be derived.
  • the information representing the operating state is provided, for example, by a central server unit which is connected to the communication network for data purposes.
  • the closure comprises a rigid, linearly guided plate element and / or a roll-up roller shutter element.
  • the actuator is a linear drive that moves the rigid plate element linearly.
  • the actuator is a rotary actuator on which the roller shutter element can be rolled up in order to reach the opening position.
  • the closure can be moved by means of an elastic element into a covering position in which the closure covers the viewing window.
  • the closure can be moved into an open position in which the closure at least partially exposes the viewing window. This ensures that the lock is only opened when the compressed air supply is active.
  • the elastic element is preferably designed as a spring.
  • the spring is preferably designed and arranged in such a way that the spring exerts a force on the closure, through which the closure is pushed into the covering position.
  • the compressed air is fed from a compressed air line.
  • the vehicle includes a compressed air brake, which is also fed from this compressed air line. Since the compressed air supply in the case of compressed air brakes is generally only available when the vehicle is being operated on the ferry, in this development the lock is also only opened when the vehicle is being operated on the ferry. This represents a particularly expedient development of the device according to the invention.
  • Another preferred embodiment of the device according to the invention comprises at least one gas nozzle at the viewing window, the at least one gas nozzle being set up to generate a gas flow through the viewing window while the vehicle is in motion.
  • the gas flow is preferably formed by purified compressed air from the compressed air line.
  • the device further preferably comprises a compressor which is set up exclusively to supply the at least one gas nozzle with compressed air.
  • the closure is fed from the same compressed air line as the at least one gas nozzle. This represents a particularly useful variant for supplying the closure device with air.
  • the invention also relates to a vehicle, in particular a track-bound vehicle, which comprises a device of the type described above.
  • the viewing window is located on a vehicle roof of the vehicle.
  • the vehicle includes a pantograph and the optical device is set up to observe the pantograph.
  • the vehicle comprises a coupling, the viewing window being located at one end of the vehicle and the optical device being set up for observing the coupling or a close range of the vehicle.
  • the vehicle comprises a passenger door, the viewing window being located on one side of the vehicle.
  • the optical device is set up to observe the passenger door and / or a gap between the vehicle and a platform and / or a section of the platform.
  • the viewing window is located on a bogie of the vehicle.
  • the optical device is set up to observe the bogie and / or a rail on which the vehicle is traveling and / or a third rail.
  • the invention also relates to a method for protecting a viewing window of a vehicle, in particular a lane-bound vehicle.
  • the viewing window is located at least temporarily on the outside of the vehicle.
  • An optical device is protected from the outside through the viewing window.
  • a mechanical closure of a closure device covers the viewing window as a function of an operating state of the vehicle.
  • the closure is moved into a covering position in which the closure covers the viewing window when the vehicle assumes an energy-saving or disarmed operating state.
  • the closure is moved into an open position in which the closure at least partially exposes the viewing window when the vehicle assumes a ferry operation as the operating state.
  • the closure is moved into the covering position by means of an elastic element.
  • the closure is moved into the open position by means of compressed air.
  • FIG. 1 shows a schematic sectional illustration of a first exemplary embodiment of a device according to the invention in a first state
  • Figure 2 shows the first embodiment shown in Figure 1 in a second state
  • FIG. 3 shows a schematic sectional illustration of a second exemplary embodiment of a device according to the invention
  • FIG. 4 shows a schematic sectional illustration of a third exemplary embodiment of a device according to the invention
  • FIG. 5 shows a schematic sectional illustration of a fourth exemplary embodiment of a device according to the invention
  • FIG. 6 shows a schematic sectional illustration of an exemplary embodiment of a vehicle according to the invention.
  • FIG. 7 shows a schematic sectional illustration of a second exemplary embodiment of a vehicle according to the invention.
  • FIG. 1 a first exemplary embodiment of a vehicle 1 with a device 10 is shown.
  • an optical device 30, which is located behind a viewing window 3, is attached to a vehicle roof 11.
  • the optical device 30, which is preferably a camera, is optionally located in a housing 8 which is closed by the viewing window 3.
  • the optical device 30 is sunk into the vehicle roof 11.
  • the viewing window 3 ends flush or approximately flush with the vehicle roof 11. So that points the viewing window 3, regardless of the direction of travel 7, does not have any significant inflow area for the airflow 6.
  • Embodiments are conceivable in which the viewing window is in the airstream and accordingly the airstream flows directly against it.
  • a gas nozzle 4a located in front of the viewing window 3 in the direction of travel 7.
  • a gas stream 40 is generated, which consists of compressed air generated in the vehicle 1 and flushes over the viewing window 3.
  • the airflow 6 is displaced by the gas flow 40, so that the viewing window 3 remains clean or at least becomes contaminated more slowly.
  • the gas stream 40 preferably covers the viewing window 3 completely.
  • a closure device 20 of the device 10 has a mechanical closure 21.
  • the mechanical lock 21 is shown in the first state in which the lock 21 assumes an open position 22. In the opening position 22, the mechanical lock 21 exposes the viewing window 3.
  • the closure device 20 also has an elastic element 23 designed as a spring, which exerts a force on the mechanical closure 21. That power is in the The arrangement shown in FIG. 1 is directed parallel to the direction of travel 7.
  • the mechanical closure 21 has an end face 25 facing the gas flow 40.
  • the gas flow 40 When the gas flow 40 is active, it exerts a force on the end face 25 and thus on the mechanical closure 21. In the arrangement shown in FIG. 1, this force is directed in the opposite direction parallel to the direction of travel 7 and has the effect that the mechanical lock 21 is held in the open position 22 (opposite to the spring force). Part of the gas flow 40 enters a gas nozzle 4b.
  • a compressor 9 which provides the gas for the gas flow 40.
  • FIG. 2 shows the device 10 shown in FIG. 1 in a second state in which the closure 21 assumes a covering position 26.
  • the mechanical lock 21 covers the viewing window 3.
  • the shutter 21 covers the viewing window 3 in such a way that the airflow 6 and any dirt contained in the airflow 6 cannot reach the viewing window 3, or only to a small extent .
  • the gas nozzles 4a and / or 4b are alternatively preferably connected to a compressed air line 24 for compressed air brakes 2 (as described below with reference to FIG. 6).
  • FIG. 3 a second exemplary embodiment of a vehicle 1 with a device 10 is shown. Identical or functionally identical elements are provided with the same reference symbols as used in FIGS. 1 and 2 will.
  • an actuator 123 with a static element 124 and an element 125 movable relative to the vehicle 1 is provided in order to exert a force on the mechanical lock 21.
  • the actuator 123 is designed as a linear motor.
  • a control unit 126 for controlling the actuator 123 is preferably connected in terms of data technology to a communication network 127 of the vehicle 1, for example a control network or operator network designed as an Ethernet. Via the communication network 127, the control unit receives information from which the current operating state of the vehicle 1 emerges. The information representing the operating state is provided, for example, by a central server unit 128 which is connected to the communication network 127 for data purposes.
  • FIG. 1 A third exemplary embodiment of a vehicle 1 with a device 10 is shown in FIG.
  • Identical or functionally identical elements are provided with the same reference symbols as are used in FIGS. 1 to 3.
  • an actuator 223 with a static element 224 and an element 225 that is movable relative to the vehicle 1 is provided.
  • the static element 224 is designed as a spring-loaded compressed air cylinder.
  • a first chamber 226 contains a spring 227 that applies a force to a piston 228. In the arrangement shown in FIG. 4, this force is directed parallel to the direction of travel 7.
  • a second chamber 229 is connected to a compressed air line 24 for compressed air brakes 2 (as described below with reference to FIG. 4).
  • the second chamber 229 is supplied with compressed air and exerts a force on the piston 228 that the counteracts the force exerted by the spring 227. This causes the shutter 21 to move into the open position.
  • the second chamber 229 When the vehicle 1 is parked, the second chamber 229 is not supplied with compressed air. The force exerted by the spring 227 causes the closure 21 to move into the covering position 26.
  • the mechanical lock 21 consists essentially of a plate element 21a.
  • FIG. 5 a fourth exemplary embodiment of a vehicle 1 with a device 10 is shown. Identical or functionally identical elements are provided with the same reference symbols as are used in FIGS. 1 to 4.
  • the optical device 30 is attached to the vehicle roof 11 and is located behind the viewing window 3 and in a housing 8. The optical device 30 thus rises above the actual vehicle roof 11.
  • the locking device 20 shown in FIG. 5 comprises a mechanical lock 21 which essentially consists of a roller shutter element 324.
  • An actuator 323 is designed as a rotary actuator onto which the roller shutter element 324 can be rolled up in order to reach an opening position.
  • the roller shutter element 324 can be unrolled in order to get into a covering position. In the covering position, the roller shutter element 324 protects the viewing window 3 from soiling.
  • the viewing window 3a is located on the vehicle roof 11 and by means of the associated optical device a current collector 51 is detected in the direction of an overhead line 55 by means of the optical device.
  • the viewing window 3a is located close to the current collector 51 and is heavily soiled, inter alia, by carbon abrasion from the current collector 51. Especially at low travel speeds, a head wind is not sufficient to clean the viewing window 3 a of carbon debris or to prevent the deposition of carbon debris. This is achieved by the gas nozzle 104a.
  • the locking device 20 is used to protect the viewing window 3 a while the vehicle 1 is parked.
  • the gas nozzle 104b is located on one side of the vehicle 13, so that the passenger doors 53 pass through the viewing window 3b can be controlled by a camera.
  • a gap between the vehicle 1 and a platform 56 and / or a section of the platform 56 can be checked.
  • the gas nozzle 104c is provided for a viewing window 3c in the area of a coupling 52 at one end of the vehicle 12 between two vehicle parts. It can be checked through the viewing window 3c whether a coupling process has been carried out correctly. Alternatively or additionally, a close range of the coupling 52 or the end of the vehicle 12 can be monitored. It is possible that the viewing window 3c and thus the gas nozzle 4c are in a non-coupled state under the closure or a cover and are therefore only temporarily exposed on the outside. The gas nozzle 4c can in particular prevent or reduce contamination from the rails 54.
  • the gas nozzles 104a, 104b, 104c are preferably connected to a compressed air line 24 for compressed air brakes 2.
  • a compressed air line 24 for compressed air brakes 2.
  • the compressed air line 24 is in particular a main air line.
  • the vehicle 1 is a measuring vehicle which can inspect rails 54, for example.
  • the viewing window 3 with the gas nozzle 4 and the lock 21 is therefore located on a bogie 14 with a view of the rails 54 Regular operation can be used.
  • a light source 30b can be attached behind the viewing window 3 as an alternative or in addition to the camera 30a.
  • the viewing window is permeable to visible light and / or to near-infrared radiation.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Optics & Photonics (AREA)
  • Window Of Vehicle (AREA)
  • Current-Collector Devices For Electrically Propelled Vehicles (AREA)

Abstract

L'invention concerne un dispositif pour protéger une fenêtre d'observation (3) d'un véhicule (1), en particulier un véhicule à chenilles. La fenêtre d'observation (3) est située au moins temporairement sur l'extérieur du véhicule (1). Le dispositif (10) comprend un dispositif optique (30), qui est protégé de l'extérieur par la fenêtre d'observation (3), et au moins un dispositif de fermeture (20) qui comporte au moins une fermeture mécanique (21). Le dispositif de fermeture (20) est conçu pour recouvrir la fenêtre d'observation (3) sur la base de la fermeture (21).
EP21715143.0A 2020-04-09 2021-03-10 Dispositif et procédé pour protéger une fenêtre d'observation Pending EP4110672A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102020204582 2020-04-09
PCT/EP2021/056016 WO2021204485A1 (fr) 2020-04-09 2021-03-10 Dispositif et procédé pour protéger une fenêtre d'observation

Publications (1)

Publication Number Publication Date
EP4110672A1 true EP4110672A1 (fr) 2023-01-04

Family

ID=75277962

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21715143.0A Pending EP4110672A1 (fr) 2020-04-09 2021-03-10 Dispositif et procédé pour protéger une fenêtre d'observation

Country Status (2)

Country Link
EP (1) EP4110672A1 (fr)
WO (1) WO2021204485A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114312886B (zh) * 2022-03-15 2022-06-21 中车太原机车车辆有限公司 一种铁路漏斗车抽拉式观察装置和铁路漏斗车

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012107170A1 (de) * 2012-08-03 2014-05-15 Kst Gmbh Kamera & System Technik Kameraaußengehäuse für den Einsatz in der Verkehrstechnik
CN204137001U (zh) * 2014-10-10 2015-02-04 中国神华能源股份有限公司 轨道车辆的车顶观察窗及轨道车辆
GB2544122A (en) * 2015-11-06 2017-05-10 Bombardier Transp Gmbh Rail vehicle provided with an internally mounted video camera with external field of vision
DE102016223690A1 (de) 2016-11-29 2018-05-30 Siemens Aktiengesellschaft Vorrichtung, Kameraeinrichtung und Verfahren für ein Schienenfahrzeug
DE102016124668B4 (de) * 2016-12-16 2021-01-07 DResearch Fahrzeugelektronik GmbH Vorrichtung zur Ausrichtung einer innerhalb eines Gehäuses angeordneten optischen Einheit einer Kamera sowie Kamera mit dieser Vorrichtung
DE102017127526B4 (de) * 2017-11-22 2023-10-12 Rheinmetall Landsysteme Gmbh Blende und Vorrichtung zur Reinigung von Sichtsystemen

Also Published As

Publication number Publication date
WO2021204485A1 (fr) 2021-10-14

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Owner name: SIEMENS MOBILITY GMBH