EP3814224A1 - Module fonctionnel complémentaire pour aéronefs - Google Patents

Module fonctionnel complémentaire pour aéronefs

Info

Publication number
EP3814224A1
EP3814224A1 EP19734376.7A EP19734376A EP3814224A1 EP 3814224 A1 EP3814224 A1 EP 3814224A1 EP 19734376 A EP19734376 A EP 19734376A EP 3814224 A1 EP3814224 A1 EP 3814224A1
Authority
EP
European Patent Office
Prior art keywords
module
function
power
designed
functional
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
EP19734376.7A
Other languages
German (de)
English (en)
Inventor
Viktor DAUBNER
Frank Niss
Pawel Piotrowski
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.)
Lufthansa Technik AG
Original Assignee
Lufthansa Technik AG
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 Lufthansa Technik AG filed Critical Lufthansa Technik AG
Publication of EP3814224A1 publication Critical patent/EP3814224A1/fr
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D27/00—Arrangement or mounting of power plants in aircraft; Aircraft characterised by the type or position of power plants
    • B64D27/02—Aircraft characterised by the type or position of power plants
    • B64D27/24—Aircraft characterised by the type or position of power plants using steam or spring force
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D41/00—Power installations for auxiliary purposes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D47/00—Equipment not otherwise provided for
    • B64D47/08—Arrangements of cameras
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
    • G05F1/10—Regulating voltage or current
    • G05F1/625—Regulating voltage or current wherein it is irrelevant whether the variable actually regulated is ac or dc
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00—Circuit arrangements for ac mains or ac distribution networks
    • H02J3/12—Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load
    • H02J3/14—Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load by switching loads on to, or off from, network, e.g. progressively balanced loading
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J4/00—Circuit arrangements for mains or distribution networks not specified as ac or dc
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D2221/00—Electric power distribution systems onboard aircraft
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2310/00—The network for supplying or distributing electric power characterised by its spatial reach or by the load
    • H02J2310/40—The network being an on-board power network, i.e. within a vehicle
    • H02J2310/44—The network being an on-board power network, i.e. within a vehicle for aircrafts
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T50/00—Aeronautics or air transport
    • Y02T50/60—Efficient propulsion technologies, e.g. for aircraft

Definitions

  • the invention relates to a functional expansion module for driving tools, in particular commercial aircraft, and an aircraft with a corresponding functional expansion module.
  • LRU Line Replaceable Unit
  • passenger supply modules which are arranged in the immediate vicinity of a passenger seat and, depending on requirements, can have various functions.
  • Passenger supply modules are installed above every row of passenger seats in commercial aircraft. Among other things, they contain reading lamps and can also display switchable information signs, such as the seat belt sign. In addition, there is often one or more loudspeakers for on-board announcements by the pilot or the cabin crew. Oxygen masks that fall out of an opening when there is a drop in pressure in the cabin can also be part of passenger supply modules.
  • the passenger supply modules are supplied with electrical power via a power supply bus.
  • the power supply bus and the passenger supply modules are regularly matched to one another in such a way that the power supply bus can transmit sufficient electrical power to handle all of them
  • the power supply bus is designed for maximum power consumption in this case, without any power transmission reserves being provided.
  • the object of the present invention is therefore to provide a possibility for providing additional electrical consumers in the area of functional modules, in which the disadvantages of the prior art no longer occur or only to a reduced extent.
  • This object is achieved by a functional expansion module according to the main claim and an aircraft according to claim 11.
  • the invention relates to a function supplement module for vehicles to supplement a function module supplied with electrical power via a power supply bus, where the function supplement module is designed to supply electrical power via the power supply bus
  • control device with a power specification for the maximum power flow of the function module and a detection module for detecting the current power flow at a reference point
  • a current controller for controlling the power consumption of the function expansion module the control device being designed to control the current controller as a function of the detected power flow in such a way that the combined power consumption of the function module and the function expansion module does not exceed the power specification.
  • the invention relates to an aircraft, in particular a commercial aircraft, comprising at least one function module, at least one function supplement module according to the invention which is assigned to a function module and a power supply bus for supplying power to the at least one function module and the at least one function supplement module.
  • the invention has recognized that additional electrical consumers do not require a complex change to an existing power supply bus and / or function modules if the additional electrical consumers are controlled in this way that the existing limit values are not exceeded due to their power consumption. Based on this knowledge, the invention provides a function expansion module with which an existing function module can be expanded by an additional function in the form of an electrical consumer, without the function module or the power supply bus having to be changed.
  • a power specification for the maximum electrical line flow of the function module assigned to the function supplement module is stored in the control device of a function supplement module.
  • a detection module is provided for detecting the actual power flow at a reference point.
  • the control device is then designed to control the power consumption of the functional supplement module via a current controller in such a way that the combined (i.e. the summed) power consumption of the functional module and functional supplement module does not exceed the power specification.
  • the function supplement module only consumes power to the extent that the assigned function module does not require this power.
  • the function expansion module therefore only uses any existing power reserves of the assigned function module; if there is no power reserve (for example, because, exceptionally, all reading lamps of a function module designed as a passenger supply module are switched on), the current controller is regulated to zero.
  • the reference point is selected so that the detected current power at the reference point is the actual instantaneous power of the function module.
  • the control device can then be designed to reduce the power consumption of the functional expansion module to a value less than or equal to the difference between the power specification and the recorded current power at the reference point. This ensures that the combined power consumption of the functional module and functional expansion module does not exceed the performance specification.
  • the reference point is selected such that the detected current power at the reference point is the sum of the actual instantaneous powers of the function module and the function supplement module.
  • the control device is then designed to regulate the power consumption of the function supplement module to a value such that the detected current power at the reference point is less than or equal to the power specification. This also ensures that the combined power consumption of the function module and the function supplement module does not exceed the power specification.
  • the function add-on module is designed as a current separator which can be arranged between the power supply bus and the function module and for electrical transmission Power from the power supply bus to the function module is formed.
  • the function expansion module can be easily interposed between the power supply bus and the function module, without requiring changes to the power supply bus and function module.
  • the control device, the current controller and the detection module can also be combined in a single physical unit, since the reference point can be arranged in the area of the current switch. The assembly of such a single physical unit is very simple: - Detach the connection of the function module to the power supply bus;
  • the functional module can be a passenger supply module, with which the functional supplement module is then a passenger supply supplement module.
  • the functional expansion module has at least one socket of an electrical plug connection, preferably a standardized socket, further preferably a USB socket for connecting external consumers.
  • the consumer to be supplied with electrical power is not directly part of the functional expansion module, but rather an external device, such as a mobile terminal of a passenger. The passenger can operate his mobile terminal and / or charge its energy storage via the functional expansion module.
  • the functional expansion module has at least two, preferably at least three sockets.
  • the function module to be supplemented is a passenger supply module that regularly supplies more than one seat or passenger, it is advantageous if the function supplement module is also designed to supply more than one seat or passenger.
  • the control device and / or the current controller is designed to individually control the power output via the individual sockets. For example, if there is no sufficient power reserve available to supply the socket (s) used with sufficient current for charging mobile devices, it is advantageous to supply only a part of the sockets with sufficient current for charging mobile devices and temporarily deactivate another part of the sockets until sufficient power is also available for these sockets. If there is sufficient power available, the
  • Amperage at the sockets currently used can also be increased beyond the minimum required for charging mobile devices until the power reserve is exhausted.
  • Indicator lights can be provided with which the respective status of the socket (s), namely whether a mobile terminal connected to it is supplied with electrical power, is displayed. If the indicator light indicates that a mobile terminal connected to a socket is not supplied with electrical power, a passenger can increase the power reserve by switching off a consumer on the function module, e.g. the reading lamp, so that there is sufficient power to supply this mobile device Terminal is available.
  • the function supplement module can have a sensor and / or a camera.
  • the data recorded by the at least one sensor and / or the at least one camera are preferably temporarily stored on a memory module provided directly in the function supplement module, so that there is no permanent data connection between see the function expansion module and a recipient of the collected data must exist.
  • the control device of the function supplement module is preferably designed to initiate the sending of the temporarily stored data to a predetermined receiver only if there is sufficient electrical power available, for which purpose the function supplement module has a suitable communication module. This makes it possible to ensure that the energy-intensive communication, as a rule, is carried out by the function supplement module only at times when the electrical power required is actually available. During the rest of the time, the available power may be sufficient to record sensor and / or camera data and store it in the memory module.
  • the function supplement module can also be designed for any other functions.
  • the detection module is designed to detect at least two of the current power flows relating to the power consumption of the function module, the power consumption of the function supplement module and / or the common power consumption of the function module and function supplement module.
  • the control device can then be designed to check the plausibility of the detected values and / or the control on the basis of the detected power flows. In the plausibility check, the acquisition of the power flow or power flows and / or the power controller directly used to control the power controller and / or the power controller can be monitored for correct functioning via a further power flow.
  • the current regulator of the function expansion module can be permanently set to zero.
  • FIG. 1 a first exemplary embodiment of a functional supplement module according to the invention
  • FIG. 2 shows a schematic illustration of a first variant of the function supplement module from FIG. 1;
  • FIG. 3 shows a schematic illustration of a second variant of the function supplement module from FIG. 1.
  • FIG. 1 shows a first exemplary embodiment of a functional supplement module 1 according to the invention.
  • the function supplement module 1 is a passenger supply supplement module and is designed to be installed next to a passenger supply module known from the prior art as a function module 30 comprising reading lamps 32 (see FIGS. 2 and 3) switchable via switches 31 above passenger seats in a commercial aircraft. Electrically, the function supplement module 1 is interposed between a power supply bus 20 and a function module 30 (see FIGS. 2 and 3).
  • USB sockets 3 are provided on the panel 2, which is accessible from the outside in the installed state of the function supplement module 1, for connecting mobile end devices of a passenger in order to charge them.
  • a control lamp 4 is also provided, which can either light up red or green and which indicates whether a USB or Socket 3 connected mobile device is actually being charged (green) or whether there is currently insufficient power available to charge the mobile device (red).
  • the function expansion module 1 has a current regulator 5, which is distributed over the lines of the individual USB sockets 3 and with which the power flow to or via the USB sockets 3 can be individually adjusted.
  • the distributed current controller 5 is controlled via a control device 6 on the basis of a current power flow detected by a detection module 7 in such a way that the combined power consumption of the function module 30 and the function supplement module 1 is a power specification stored in the control device 6 for the maximum permissible power flow for the function module 30 ultimately, for example, by the property of the power supply bus 20 and the number of modules supplied via it can be determined.
  • the detection module 7 detects the current at the reference point, from which the current power flow results, together with the target voltage of the power supply bus 20.
  • FIGS. 2 and 3 each show an embodiment variant.
  • the current regulator 5 distributed according to FIG. 1 is shown as a single unit.
  • the display of the indicator lights 4 and their connection to the control unit 6 have been omitted for reasons of clarity.
  • the function supplement module 1 is designed as a current separator, which is arranged between the power supply bus 20 and the function module 30 and is configured to pass electrical power from the power supply bus 20 to the function module 30. forms is.
  • the input 8 of the function supplementary module 1 is connected to the power supply bus 20, it being possible to use the connection point on the power supply bus 20 to which the function module 1 was previously connected directly to the power supply bus.
  • the function expansion module 1 is connected to the function module 30.
  • Input 8 and output 9 are designed in such a way that the connectors usual for connecting the power supply bus 20 and function module 30 can continue to be used, so that no change in the power supply bus 20 and / or function module 30 is necessary in this regard.
  • the supplementary function is transparent module 1, that is neither of the power bus 20 is still on the functional module 30 are to make changes to the function extension module 1, as described, be able to switch wipe Z.
  • the joint power flow to the functional module 30 and the functional supplement module 1 is detected by the acquisition module 7.
  • the control device 6 is designed to regulate the power consumption of the functional expansion module 1 via suitable control of the current controller 5 to a value such that the detected current power is less than or equal to the power specification stored in the control device 6.
  • the power output via the individual USB sockets 3 can be individually adjusted and in particular also switched off, so that, for example, only one of the three USB sockets 3 is operated if the power reserve is insufficient. If 32 additional power becomes available by switching off a reading lamp, previously deactivated USB sockets can be operated again if necessary.
  • the power flow to the functional module 30 is not determined by the acquisition module 7 but to the power controller 5 of the passenger supplement module 1, it summarizes.
  • the control device 6 is designed to regulate the power consumption of the function supplement module 1 via a suitable control of the current regulator 5 to a value that the power consumption of the function supplement module 1 is less than or equal to the difference between the power specification and the detected current power ,
  • This variant also ensures that the combined power consumption of function module 30 and function supplement module 1 does not exceed the power specification.
  • the detection module 7 additionally detects the power flow to the current regulator 5 at point 7 ′, via which the correct function of the current regulator 5 can be monitored. If the power flow is recorded at all points shown in FIGS. 2 and 3, a plausibility check of the recorded values can be carried out, in which the recorded common power flow (cf. recording module 7 from FIG. 2) with the sum of the recorded individual power flows to the function module 30 (cf. detection module 7 from FIG. 3) and the function supplement module 1 (cf. detection point 7 'from FIGS. 2 and 3). In the event of a deviation beyond a predetermined measurement tolerance, which may indicate a malfunction of the detection module 7, the current controller 5 is controlled by the control device 6 such that no more electrical power flows to the USB sockets 3.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Automation & Control Theory (AREA)
  • Direct Current Feeding And Distribution (AREA)
  • Supply And Distribution Of Alternating Current (AREA)

Abstract

L'invention concerne un module fonctionnel complémentaire (1) destiné à des véhicules, en particulier à des avions de ligne, venant compléter un module fonctionnel (30) alimenté en puissance électrique par l'intermédiaire d'un bus d'alimentation en courant (20), ainsi qu'un aéronef muni dudit module fonctionnel complémentaire (1). Le module fonctionnel complémentaire (1) est conçu pour être alimenté en puissance électrique par l'intermédiaire du bus d'alimentation en courant (20), et comprend un dispositif de commande (6) contenant une prescription de puissance pour le flux de puissance maximal du module fonctionnel (30) et un module de détection (7) servant à détecter le flux de puissance instantané en un point de référence, ainsi qu'un régulateur de courant (5) servant à commander la puissance absorbée du module fonctionnel complémentaire (1). Le dispositif de commande (6) est conçu pour commander le régulateur de courant (5) en fonction du flux de puissance détecté de telle manière que la puissance absorbée commune du module fonctionnel (30) et du module fonctionnel complémentaire (1) ne dépasse pas la prescription de puissance. L'aéronef comprend au moins un module fonctionnel (30), au moins un module fonctionnel complémentaire (1) selon l'invention associé au module fonctionnel (30), et un bus d'alimentation en courant (20) servant à l'alimentation en puissance du ou des modules fonctionnels (30) et du ou des modules fonctionnels complémentaires (1).
EP19734376.7A 2018-06-27 2019-06-27 Module fonctionnel complémentaire pour aéronefs Pending EP3814224A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018115473.9A DE102018115473A1 (de) 2018-06-27 2018-06-27 Funktionsergänzungsmodul für Fahrzeuge
PCT/EP2019/067155 WO2020002503A1 (fr) 2018-06-27 2019-06-27 Module fonctionnel complémentaire pour aéronefs

Publications (1)

Publication Number Publication Date
EP3814224A1 true EP3814224A1 (fr) 2021-05-05

Family

ID=67107448

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19734376.7A Pending EP3814224A1 (fr) 2018-06-27 2019-06-27 Module fonctionnel complémentaire pour aéronefs

Country Status (4)

Country Link
US (1) US11353906B2 (fr)
EP (1) EP3814224A1 (fr)
DE (1) DE102018115473A1 (fr)
WO (1) WO2020002503A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB202106917D0 (en) * 2021-05-14 2021-06-30 Ifpl Group Ltd Light

Family Cites Families (10)

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Publication number Priority date Publication date Assignee Title
DE19906076C2 (de) * 1999-02-12 2002-05-08 Kid Systeme Gmbh Vorrichtung zur Leistungsversorgung von elektrischen Verbrauchern, die an Sitzen in einem Flugzeug zugeordneten dezentralen Stromversorgungseinheiten angeschlossen sind
US6229434B1 (en) * 1999-03-04 2001-05-08 Gentex Corporation Vehicle communication system
FR2823027B1 (fr) 2001-03-30 2003-07-25 Labinal Installation de gestion de puissance dans un avion
FR2865864B1 (fr) * 2004-01-30 2006-05-19 Messier Bugatti Installation de gestion de puissance dans un avion.
US7307520B2 (en) * 2004-09-17 2007-12-11 Keith Lamon Systems and methods for direct current system digital carried message conveyance
US8464982B2 (en) * 2009-10-05 2013-06-18 Jamco America, Inc. Systems and methods for securing and protecting aircraft line replaceable units with status indicator under a passenger seat
DE102012200487A1 (de) * 2012-01-13 2013-07-18 Lufthansa Technik Ag Bordkommunikationsgerät und -system für eine Kabine eines Fahrzeugs
US9160414B2 (en) * 2012-09-28 2015-10-13 Osram Sylvania Inc. Transient power communication
DE102014204926B4 (de) 2014-03-17 2022-06-23 Lufthansa Technik Aktiengesellschaft Verfahren zur Übermittlung von Informationen von einem Passagiersitz an ein Kabinensystem und korrespondierender Passagiersitz
US9960624B2 (en) * 2015-05-07 2018-05-01 The Boeing Company Method for configurable aircraft USB power level management

Also Published As

Publication number Publication date
US11353906B2 (en) 2022-06-07
US20210263546A1 (en) 2021-08-26
WO2020002503A1 (fr) 2020-01-02
DE102018115473A1 (de) 2020-01-02

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