EP0941634A1 - Dispositif de controle, de commande et de regulation d'eclairage affleurant d'un systeme de balisage d'aeroports - Google Patents

Dispositif de controle, de commande et de regulation d'eclairage affleurant d'un systeme de balisage d'aeroports

Info

Publication number
EP0941634A1
EP0941634A1 EP97949975A EP97949975A EP0941634A1 EP 0941634 A1 EP0941634 A1 EP 0941634A1 EP 97949975 A EP97949975 A EP 97949975A EP 97949975 A EP97949975 A EP 97949975A EP 0941634 A1 EP0941634 A1 EP 0941634A1
Authority
EP
European Patent Office
Prior art keywords
microcontroller
lamp
underfloor
circuit
light
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
EP97949975A
Other languages
German (de)
English (en)
Other versions
EP0941634B1 (fr
Inventor
Helmut Schmidt
Hans Werner Otto
Henning Woock
Jean-Claude Vandevoorde
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 AG
Siemens Corp
Original Assignee
Siemens AG
Siemens Corp
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 AG, Siemens Corp filed Critical Siemens AG
Publication of EP0941634A1 publication Critical patent/EP0941634A1/fr
Application granted granted Critical
Publication of EP0941634B1 publication Critical patent/EP0941634B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/20—Responsive to malfunctions or to light source life; for protection
    • H05B47/21—Responsive to malfunctions or to light source life; for protection of two or more light sources connected in parallel
    • H05B47/22—Responsive to malfunctions or to light source life; for protection of two or more light sources connected in parallel with communication between the lamps and a central unit
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H05B47/175—Controlling the light source by remote control
    • H05B47/18—Controlling the light source by remote control via data-bus transmission

Definitions

  • the invention relates to a device for monitoring, controlling and regulating underfloor lights of an airport lighting system, in which each underfloor light has at least one lamp, each of which is associated with a transmitter / receiver device with a microcontroller, which is connected to a via a power supply line and a router Control center, which has a transmitting / receiving part and a control computer, is connected and can be acted upon from there with control commands.
  • the present invention is based on the object, on the basis of the above-mentioned prior art, to provide a device for monitoring, controlling and regulating underfloor lights of an airport lighting system, by means of which a large number of lamps in underfloor lights are particularly advantageous, but nevertheless can be controlled, monitored and regulated centrally without the need for additional lines, whereby high demands are placed on the security-relevant transmission technology and the hardware-related design of the components used decentrally.
  • the microcontrollers of the underfloor lights are components of a LON (locally operating network) which has application-specific components, for example switching and monitoring elements.
  • the device according to the invention is particularly cheap on small airports, heliports, mobile airport equipment, field airports, landing sites and the like. applicable.
  • the microcontroller is designed as a one-chip controller, which leads to considerable savings in terms of the technical-constructive and the economic outlay.
  • the microcontroller advantageously has an EEPROM, a RAM, three CPU, a clocking and control block with clock / timer elements, an application input / output block and a communication port, the EEPROM, the RAM, the three CPU , the application input / output block and the
  • Communication port by means of an internal address bus and an internal data bus and the EEPROM, the RAM, the three CPU, the application input / output block, the communication port and the clocking and control block are connected to each other by means of a timing and control line .
  • the EEPROM of the microcontroller expediently has 512 bytes, wherein network parameters and application programs can be stored in it.
  • the three CPUs of the microcontroller should advantageously each be designed as an 8-bit CPU.
  • the other two CPUs of the microcontroller can be used for LONTALK protocol processing, with the processable protocols having all seven layers of the reference model according to ISO / OSI.
  • the application input / output block can advantageously be used as a parallel interface to an external microprocessor with eight data and three control lines.
  • the application input / output block of the microcontroller has a 16-bit load register, a counting device, an intermediate store (latch), a clock source (clock source), four 20 mA sink curves. rent pens four, a programmable pull-ups and possibly other elements.
  • the communication port of the microcontroller advantageously has five network interface pins, by means of which it connects to a baseband medium, e.g. can be connected to a twisted pair cable or to an external transceiver.
  • the microcontroller can have a low-voltage detector and reset circuit, by means of which faulty operation or faults in the EEPROM can be prevented if the applied voltage is less than 4.1 VDL +/- 300 mV tolerance.
  • microcontroller does not have a ROM, it is useful if it has an external memory interface.
  • the RAM of the microcontroller can then have advantageous 2048 bytes.
  • the microcontroller has a RAM with 1024 or 2048 bytes and a ROM with 10240 bytes.
  • Each microcontroller has a unique, captive identification number, by means of which the lamp function status can be linked to an address, which preferably has 48 bits and for which 6 bytes of the EEPROM can be used.
  • the microcontroller should expediently have a service pen, so that an effective network device is possible.
  • Each underfloor light should have a lamp brightness control circuit that sets a specified lamp current setpoint via a pulse width modulation element and adjusts the actual value that is set.
  • This lamp brightness control circuit is advantageously designed for load dependency and line length compensation of the drop voltage or the voltage drop.
  • a switching power supply is advantageously provided which has a toroidal core transformer as the separating element which, in cooperation with the pulse width modulation element, determines the transmitted power.
  • each underfloor light is expediently provided with a disconnection circuit, which brings about a rapid disconnection in the event of impermissible currents and after troubleshooting, e.g. by lamp replacement, this separation cancels.
  • a measuring circuit is provided, via which a disconnection and a re-connection can be detected by the microcontroller.
  • all lamp functions can be detected by means of the measuring circuit and entered into the microcontroller, in which the actual lamp values are comparable with the lamp setpoints.
  • each underfloor light has a supply circuit by means of which the lamp current can be adapted to the supply voltage.
  • Each underfloor light should advantageously have an actuator circuit, by means of which a signal can be generated, by means of which the true functional state of the lamp, for example lamp defect, line break or short circuit, can be reported back.
  • Each underfloor light should also be provided with a further supply circuit for the microcontroller, which ensures that a differentiated message can be sent to the LON in the event of faults in the lamp circuit.
  • function data on the state of the individual circuits can be reported to the control center by means of the microcontroller, which leads to considerable savings in maintenance and repair.
  • the individual underfloor lights are connected to the main power supply line via a detachable connection, in particular via a pressurized water-protected first plug connection, which is preferably designed as a shock-proof plug connection.
  • the lamp of the underfloor light can have an internal second plug connection, which is preferably designed as a two-pole FAA plug connection, and by means of which it is connected to elements of the underfloor light connected upstream of it.
  • the individual underfloor lights can expediently be lifted out of their seat in the underground and separated from the main power supply line by means of the first plug connection.
  • the affiliation of individual underfloor lights to predefinable underfloor fire groups or underfloor fire chains, the respective affiliation via the power supply line is configurable, ensures a great variability and adaptability of the airport lighting system to different requirements.
  • the communication on the power supply line should be feasible in the C-band according to CENELEC, so that the standards applicable in Europe can be met.
  • the underfloor lights are advantageously connected in parallel on the power supply line.
  • the microcontrollers and the other switching and monitoring components of the underfloor light which are connected upstream of the lamp, are arranged on a circuit board which is adapted to the shape of a housing of the underfloor light and is fastened in the underfloor light so that it is shock and vibration-proof.
  • Each underfloor light advantageously has a module part which has the microcontroller and the switching and monitoring components connected upstream of the lamp of the underfloor light. This part of the module enables quick repairs in the event of malfunctions, since it can be easily replaced.
  • each underfloor light can be connected to the main power supply line by means of the pressurized water-protected plug connection and to the lamp of the underfloor light by means of the internal second plug connection.
  • each underfloor light has a metallic, earthed housing. If the circuit board is crescent-shaped, it can be arranged around the lamp of the underfloor light, which results in a flat design of the underfloor light.
  • the module part is cast in watertight, a cable tail being provided for each of the two plug connections.
  • the module part is advantageously arranged next to or around the lamp of the underfloor light, and the housing can be adapted to the crescent-shaped configuration of the circuit board.
  • the inventive device means that an almost potential-free operation of the underfloor light is possible with minimal energy consumption, with very low energy consumption occurring in standby mode.
  • 1 shows a basic illustration of a device according to the invention for monitoring, controlling and regulating underfloor lights of an airport lighting system
  • 2 shows a block diagram of a module part and a lamp of an underfloor light
  • 3 shows the spatial arrangement of underfloor lights, with multiple underfloor lights being provided
  • 4 shows a microcontroller of an underfloor light of the device according to the invention
  • 5 shows a schematic diagram of the underfloor light and its connection to the power supply line
  • 6 shows a plan view of a module part of the device according to the invention
  • 7 shows a bottom view of the module part shown in FIG. 6
  • 8 shows a plan view of an underfloor fire of the device according to the invention
  • FIG. 9 shows a sectional view of an underfloor light of the device according to the invention.
  • FIG. 10 shows a plan view of a modified underfloor light of the device according to the invention.
  • a device shown in principle in Fig. 1 for monitoring, controlling and regulating underfloor lights of an airport lighting system is subdivided into data communication within a LON (Local Operating Network) 1, into the control and monitoring by means of a central unit designed as a PC 2 in the exemplary embodiment shown, and the Function of a module part 3 shown in detail in FIG. 2, of which each underfloor light 4 has one.
  • LON Local Operating Network
  • the data communication between the module part 3 of the underfloor light 4 and the PC 2 forming the center is implemented in the LON.
  • All seven ISO / OSI protocol layers are fulfilled because they are implemented in terms of hardware and software in the microprocessors used in the facility for monitoring, controlling and regulating underfloor lights. It is possible to choose different communication media that can be combined and mixed, for example optical fibers, twisted two-wire lines (TWP) 5, the power supply network 6 and radio links 7 can be used as communication media.
  • TWP twisted two-wire lines
  • the transmission method is based on a differential Manchester code with a bit synchronization that can be adapted to the respective communication medium.
  • a CSMA procedure with access priorities realizes the collision avoidance. Priorities can be assigned for important messages.
  • routers 8 are installed in the area of the main low-voltage distributors, by means of which data protocols can be coupled into one or more supply networks 6.
  • routers 8 are installed in the area of the main low-voltage distributors, by means of which data protocols can be coupled into one or more supply networks 6.
  • the transmitters 9 for the power supply line 6 and the routers 8 via the twisted two-wire lines 5 to the LON 1 operate in the C-band according to CENELEC, which is approved for Europe.
  • the PC 2 forming the central unit takes over the central configuration, control and monitoring of the lights of the underfloor lights 4 which may have several lamps 10 about the module parts 3 of the same. It is possible to integrate several PC 2 without hierarchy at different locations in the LON, which then work redundantly and can monitor each other.
  • each module part 3 is configured with the PC 2 with regard to its affiliation with the underfloor fire chains 11, 12, 13, 14, 15, 16 shown in FIG.
  • the corresponding data are loaded into the respective module parts 3 of the underfloor lights 4, where they are stored captively. Due to the overlapping underfloor fire chains 11, 12, 13, 14, underfloor lights 4A are provided, which belong to different underfloor fire chains and underfloor fire chain groups.
  • a graphic interface on the PC 2 takes over the representation of the module parts 3, different colors of the symbols of the module parts 3 signaling the different operating and error states of the module parts 3 with their connected lamps 10.
  • a history function enables the on-time of all module parts 3 and the ones assigned to them to be recorded
  • the lamp work is taken as a basis here, since there is an extension of the service life when operating below the nominal data. All history and maintenance data are stored in a file that can be output from the system of the facility. Operating times, malfunctions and selection messages of the module parts 3 can be freely combined with a PC 2 in groups and arranged according to priorities; these can be forwarded via data traffic with other control room computers. processed and automatically forwarded to the maintenance companies.
  • the assembly date of the respective lamp 10 and the total operating time can be determined from each module part 3 according to the working history.
  • a "service terminal” function is available, with which the new module part 3 is assigned the data of the defective module part 3 by a PC 2, so that the work within the airport lighting system is solely based on changing the Module part 3 limited.
  • All module parts 3 can be individually controlled by the PC 2 for test purposes with variable illuminance levels.
  • a host computer can call up 2 freely programmable scenarios for controlling the underfloor fire chains 11, 12, 13, 14, 15, 16 via a PC; however, the PC 2 can also act as a master computer.
  • the computer coupling to external systems is implemented, for example, by an RS 232 interface.
  • the module part 3 shown in FIG. 2 in its block diagram serves to control and monitor one lamp 10 of an underfloor light 4.
  • an isolating circuit 17 is provided, which is quick in the event of impermissible currents
  • the isolating circuit 17 switches the lamp circuit on again.
  • the separation of the lamp circuit downstream of the isolating circuit 17 is detected by a microcontroller 19 via a measuring circuit 18, since there is an impermissible deviation of the actual value from the target value via a connecting line 20 in the microcontroller 19.
  • This inadmissible deviation is available in the power supply line 6 or in the LON 1 by means of the transmitter 9.
  • the same function applies to the return of the lamp circuit from the fault, for example after the lamp replacement has ended.
  • a supply circuit 21 adjusts the lamp voltage to the supply voltage when using low-voltage halogen lamps. Potential isolation can then be provided in such a lamp circuit.
  • An actuator circuit 22 enables the level of the current flowing through the output to be influenced by the lamp 10 when the lamp circuit is terminated.
  • the actuator circuit 22 receives its manipulated variable via a connecting line 23 from the microcontroller 19, in which a constant comparison of the current setpoint value with the lamp current actual value is carried out becomes. With this procedure, not only is the returned actual lamp current value checked, but the true functional state of the lamp 10 is also reported via the transformer 9 into the energy supply line 6 or the LON 1.
  • the microcontroller 19 contains the captive network address of the module part 3; the lamp function state is provided with it there, so that identification in the PC 2 forming the center is made possible.
  • the desired functional operating state which the microcontroller 19 from the transmitter 9 from the supply network 6 or the LON 1, e.g. received by the PC 2 as an instruction, the microcontroller 19 can acknowledge via a connecting line 26, it must execute the instruction and then report the true state of the functional data via a connecting line 25 and the transmitter 9 into the LON 1 with address.
  • the module part 3 shown in principle in FIG. 2 serves in the case of the airport lighting system according to the invention as a transmitter / receiver device for the underfloor light 4 and stands over the LON 1, router 8 and the twisted two-wire lines 5 with the PC 2 acting as the central unit, which has a corresponding transmitting / receiving part and has a control computer in connection.
  • the microcontroller 19 of the module part 3 is designed as a one-chip controller.
  • the microcontroller 19 has an EEPROM 27, a RAM 28, three CPUs 29, 30, 31, a clocking and control block 32, an application input / output block
  • the EEPROM 27, the RAM 28, the three CPU 29, 30, 31, the application input / output block and the communication port 34 are by means of an internal 16-bit address bus 35 and by means of an internal 8-bit - Data bus 36 connected to each other.
  • the EEPROM 27, the RAM 28, the three CPU 29, 30, 31, the application input / output block 33, the communication port 34 and the clocking and control block 32 are by means of a timing and control line 37 connected to each other.
  • the EEPROM 27 of the microcontroller 19 has at least 512 bytes. Network parameters and application programs can be stored in it.
  • the three CPU 29, 30, 31 of the microcontroller 19 are each designed as an 8-bit CPU.
  • the first CPU 29 is used for application programs.
  • the two other CPU 30, 31 of the microcontroller 19 are used for LONTALK protocol processing.
  • the application input / output block 33 of the microcontroller 19 has eleven input / output connections 38 to 45 or 46, 47, 48, of which eight 38 to 45 can be used as data lines and three 46, 47, 48 as control lines if the application
  • Input / output block 33 is used as a parallel interface to an external microprocessor.
  • the application / input / output block 33 has a 16-bit load register, a counting device and a buffer
  • the communication port 34 of the microcontroller 19 has five
  • Network interface pins 49 by means of which it can be connected to a baseband medium, for example a twisted two-wire line, or to an external transceiver.
  • the clocking and control block 32 has a control block 50, a clock / timer block 51; the microcontroller may further include a low voltage detector and reset circuit 52.
  • the latter prevents erroneous operation or incorrect EEPROM values if the applied voltage is below a minimum voltage.
  • the control block 50 of the service block 32 has a reset and a service connection.
  • the clock / timer block 51 has a connection via which standard clock inputs of 20 MHz, 10 MHz, 5 MHz, 2.5 MHz, 1.25 MHz and 625 kHz are possible.
  • Two programmable 16-bit counters or timers are provided.
  • the microcontroller 19 can be connected to an external memory interface 53, which is shown in FIG. 4 only by the corresponding reference symbol.
  • the RAM 28 of the microcontroller 19 has 2048 bytes.
  • the RAM 28 of the microcontroller 19 has 1024 bytes and a ROM additionally provided in the microcontroller 19 has 10240 bytes.
  • each module part 3 there is a unique identification number which is stored in a captive manner and by means of which a network address of the respective lamp 10 of the Underfloor fire 4 can be linked; the identification number has 48 bits; 6 bytes of EEPROM 27 can be used for this.
  • the microcontroller 19 also has a service pin.
  • FIG. 5 shows the connection of an underfloor light 4 to the power supply line 6.
  • a sleeve or a branch 54 is provided on the energy supply line 6, the branching cable section 55 of which via a
  • the module part 3 has a cable section 57, at the free end of which the first plug 56 on the module part side is provided.
  • the module part 3 On its side facing the lamp 10 of the underfloor light 4, the module part 3 likewise has a cable section 58, at the free end of which a second plug-in connection 59 inside the underfloor light is provided, by means of which the module part 3 can be connected to the lamp 10.
  • the second connector 59 is designed as a two-pole FAA connector.
  • FIGS. 6 and 7 show a top view and a bottom view of a circuit board 60 having the functional elements of the module part 3.
  • the circuit board 60 has a curved configuration so that, as can be seen in FIGS. there, is more or less crescent-shaped. Due to this crescent-shaped design of the circuit board 60, the module part 3 can be arranged around the lamp 10 practically at the same level as the lamp 10 of the underfloor light 4. This results in an overall particularly flat design of the underfloor light 4.
  • the circuit board 60 with the functional elements arranged on it is advantageously provided with a metallic housing 61, which is shown in FIG. 8 only in principle by the dashed line.
  • the circuit board 60 with the functional elements arranged on it can be cast in plastic in order to avoid any malfunctions due to moisture or the like. sure to rule out.
  • the cable ends 57, 58 protrude from the metallic housing 61 of the circuit board 60 or the module part 3, by means of which the module part 3 can be connected on the one hand to the lamp 10 of the underfloor light 4 shown in FIG. 8 and on the other hand to the power supply line 6 not shown in FIG is.
  • the underfloor light 4 has a housing 62 which can be lifted out of its seat in the ground and can be separated from the power supply line 6 by the first plug connection 56.
  • a lamp 10 e.g. a 45 watt lamp can be used.
  • the underfloor light shown in section in FIG. 9 has a lamp 10 which is controlled via the module part 3.
  • the module part 3 is slightly below the lamp 10 in the vertical direction arranged. It is connected via the cable ends 57, 58, which protrude from the module part 3, on the one hand to the energy supply line 6, not shown in FIG. 9, and on the other hand to the lamp 10 via a Schuko plug connection 59.
  • the underfloor light shown in FIG. 10 has only one lamp 10, which is designed as an all-round radiation lamp.
  • the module part 3 is connected to the power supply line 6 (not shown in FIG. 10) via the cable end 59, the module part 3 is connected to the lamp 10 via the cable end 58.
  • the housing 62 of the underfloor light is, as in the embodiment according to FIG. 8, can be brought into releasable engagement with the base by means of screw connections 63.

Landscapes

  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Traffic Control Systems (AREA)

Abstract

Dispositif de contrôle, de commande et de régulation d'éclairage affleurant d'un système de balisage d'aéroports, dans lequel chaque moyen d'éclairage affleurant présente au moins une lampe (10). Les moyens d'éclairage affleurant présentent un dispositif émetteur/récepteur (3) doté d'un microcontrôleur et connecté à une centrale (2) présentant un élément émetteur/récepteur et un ordinateur de commande, par l'intermédiaire d'une ligne d'alimentation en énergie (6) et d'un routeur (8); des ordres de commande sont envoyés de la centrale, au dispositif émetteur/récepteur (3). L'invention a pour but de réaliser un système de balisage et un dispositif du type précité avec un minimum de moyens de construction et un minimum de frais. Ce but est atteint grâce au fait que le microcontrôleur de chaque moyen d'éclairage affleurant fait partie d'un réseau local (LON) (1), lequel présente, en outre, des composants spécifiques d'application, par exemple, des éléments de commutation et de contrôle.
EP97949975A 1996-11-28 1997-11-28 Dispositif de controle, de commande et de regulation d'eclairage affleurant d'un systeme de balisage d'aeroports Expired - Lifetime EP0941634B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19649371A DE19649371C1 (de) 1996-11-28 1996-11-28 Verfahren und Schaltungsanordnung zur zentralen Überwachung, Steuerung und Regelung einer großen Anzahl von Glüh- oder Halogenlampen in Feuern
DE19649371 1996-11-28
PCT/DE1997/002787 WO1998024274A1 (fr) 1996-11-28 1997-11-28 Dispositif de controle, de commande et de regulation d'eclairage affleurant d'un systeme de balisage d'aeroports

Publications (2)

Publication Number Publication Date
EP0941634A1 true EP0941634A1 (fr) 1999-09-15
EP0941634B1 EP0941634B1 (fr) 2003-01-29

Family

ID=7813055

Family Applications (2)

Application Number Title Priority Date Filing Date
EP97949975A Expired - Lifetime EP0941634B1 (fr) 1996-11-28 1997-11-28 Dispositif de controle, de commande et de regulation d'eclairage affleurant d'un systeme de balisage d'aeroports
EP97949976A Withdrawn EP0941635A1 (fr) 1996-11-28 1997-11-28 Dispositif de controle, de commande et de regulation d'eclairage affleurant d'un systeme de balisage de voie publique

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP97949976A Withdrawn EP0941635A1 (fr) 1996-11-28 1997-11-28 Dispositif de controle, de commande et de regulation d'eclairage affleurant d'un systeme de balisage de voie publique

Country Status (7)

Country Link
EP (2) EP0941634B1 (fr)
AT (1) ATE232040T1 (fr)
CA (2) CA2273013A1 (fr)
DE (2) DE19649371C1 (fr)
DK (1) DK0941634T3 (fr)
ES (1) ES2191868T3 (fr)
WO (2) WO1998024275A1 (fr)

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Also Published As

Publication number Publication date
CA2273015A1 (fr) 1998-06-04
DE19649371C1 (de) 1998-04-02
WO1998024275A1 (fr) 1998-06-04
EP0941635A1 (fr) 1999-09-15
DK0941634T3 (da) 2003-05-26
ES2191868T3 (es) 2003-09-16
DE59709244D1 (de) 2003-03-06
WO1998024274A1 (fr) 1998-06-04
CA2273013A1 (fr) 1998-06-04
ATE232040T1 (de) 2003-02-15
EP0941634B1 (fr) 2003-01-29

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