EP4688505A1 - Agencement de commande et procédé de commande pour un système d'éclairage d'un véhicule remorque - Google Patents

Agencement de commande et procédé de commande pour un système d'éclairage d'un véhicule remorque

Info

Publication number
EP4688505A1
EP4688505A1 EP24714401.7A EP24714401A EP4688505A1 EP 4688505 A1 EP4688505 A1 EP 4688505A1 EP 24714401 A EP24714401 A EP 24714401A EP 4688505 A1 EP4688505 A1 EP 4688505A1
Authority
EP
European Patent Office
Prior art keywords
control unit
data bus
vehicle
lighting system
voltage supply
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
EP24714401.7A
Other languages
German (de)
English (en)
Inventor
Andreas Goers
Jan-Christoph VON DER BEEKE
Axel Stender
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.)
ZF CV Systems Global GmbH
Original Assignee
ZF CV Systems Global 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 ZF CV Systems Global GmbH filed Critical ZF CV Systems Global GmbH
Publication of EP4688505A1 publication Critical patent/EP4688505A1/fr
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60D—VEHICLE CONNECTIONS
    • B60D1/00—Traction couplings; Hitches; Draw-gear; Towing devices
    • B60D1/58—Auxiliary devices
    • B60D1/62—Auxiliary devices involving supply lines, electric circuits or the like
    • B60D1/64—Couplings or joints therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60D—VEHICLE CONNECTIONS
    • B60D1/00—Traction couplings; Hitches; Draw-gear; Towing devices
    • B60D1/58—Auxiliary devices
    • B60D1/62—Auxiliary devices involving supply lines, electric circuits or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
    • B60Q1/30—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating rear of vehicle, e.g. by means of reflecting surfaces
    • B60Q1/305—Indicating devices for towed vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
    • B60Q1/48—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for parking purposes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
    • B60Q1/50—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating other intentions or conditions, e.g. request for waiting or overtaking
    • B60Q1/543—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating other intentions or conditions, e.g. request for waiting or overtaking for indicating other states or conditions of the vehicle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q11/00—Arrangement of monitoring devices for devices provided for in groups B60Q1/00 - B60Q9/00
    • B60Q11/005—Arrangement of monitoring devices for devices provided for in groups B60Q1/00 - B60Q9/00 for lighting devices, e.g. indicating if lamps are burning or not
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
    • B60R16/0231—Circuits relating to the driving or the functioning of the vehicle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • B60R16/03—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for
    • B60R16/033—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for characterised by the use of electrical cells or batteries
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C5/00—Registering or indicating the working of vehicles
    • G07C5/08—Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle or waiting time
    • G07C5/0816—Indicating performance data, e.g. occurrence of a malfunction
    • G07C5/0825—Indicating performance data, e.g. occurrence of a malfunction using optical means
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C5/00—Registering or indicating the working of vehicles
    • G07C5/08—Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle or waiting time
    • G07C5/0816—Indicating performance data, e.g. occurrence of a malfunction
    • G07C5/0833—Indicating performance data, e.g. occurrence of a malfunction using audio means

Definitions

  • the invention relates to a control arrangement for controlling a lighting system of a trailer vehicle, in particular a commercial vehicle trailer, with a central electronic control unit which, when the trailer vehicle is coupled to a towing vehicle, is connected to a voltage source and an electronic control unit of the towing vehicle via a data bus cable and a plug connection, and with at least one electronic light control unit which is connected to the central control unit via a data bus cable and to light units of the lighting system via a connection cable or connection contacts, wherein data bus lines of the data bus cable and associated plug contacts of the plug connection form a first communication channel and voltage supply lines of the data bus cable and associated plug contacts of the plug connection form a first voltage supply channel.
  • the invention also relates to a control method of a lighting system of a commercial vehicle trailer for operating such a control arrangement.
  • the lighting system of a commercial vehicle trailer usually includes tail lights, brake lights, parking lights, indicator lights, rear fog lights, reversing lights, license plate lights and side marker lights arranged at the rear of the vehicle.
  • side marker lights can also be arranged at the front of the trailer and side marker lights on the sides of the trailer.
  • At least the tail lights, brake lights, parking lights and indicator lights are usually combined in combination lights designed as multi-chamber lights.
  • the lighting units are switched on and off from the assigned towing vehicle.
  • cables routed in a multi-core cable harness from the towing vehicle to the above-mentioned lighting units on the trailer are connected to or disconnected from an electrical voltage source via relays or electronic transistor circuits.
  • These cables are designed as at least one flexible connecting cable with plug connections at the end.
  • Lights that can be switched on and off such as tail lights, license plate lights and side marker lights located at the rear of the vehicle, are usually connected to a common cable in the wiring harness on each side.
  • the periodic activation of the indicator lights in the functions of direction indicator, hazard warning indicator, locking status indicator and alarm system status indicator can be controlled using a flasher relay or electronic flasher circuits in the towing vehicle.
  • DE 10 2008 054 349 A1 discloses several embodiments of a control arrangement on a trailer vehicle in which the braking system and the lighting system of the trailer vehicle can be controlled via data bus cables, an electronic brake control unit (BCU) and partly via an electronic lighting control unit (LCU).
  • a data bus cable which contains supply lines and CAN bus data lines (controller area network)
  • a branched wiring harness with individual lines or a branched data bus cable runs from the braking control unit to the lighting units of the trailer vehicle.
  • the braking control unit therefore also fulfills the function of a lighting control unit or a gateway for controlling the lighting system of the trailer vehicle.
  • a gateway function simply described, enables communication between different data networks.
  • a separate electronic light control unit is provided for controlling the lighting system of the trailer vehicle, which is connected to the brake control unit via a second data bus cable and to the lighting units of the trailer vehicle via a further data bus cable or a cable harness with individual lines.
  • the brake control unit thus also fulfills the function of a gateway for the light control unit.
  • the brake control unit and the light control unit are connected to the aforementioned front socket via a common data bus cable, so that a gateway function of the brake control unit is not present here.
  • the light control unit is connected directly to the front socket via a first data bus cable and the brake control unit is connected to the light control unit via a second data bus cable, so that the light control unit here fulfills the function of a gateway for the brake control unit.
  • this publication proposes an adapter with which the voltage supply and control data or control signals for controlling the braking system of the trailer vehicle, which are available from the towing vehicle via a cable connector in accordance with ISO 7638, and for controlling the lighting system of the trailer vehicle, which are available from the towing vehicle via a cable connector in accordance with ISO 12098, are converted and transferred into the plug format of the socket of the trailer vehicle.
  • DE 10 2010 018 127 A1 proposes a connection device that is permanently arranged on the front of a trailer vehicle, with which the power supply and control data or control signals for controlling the trailer vehicle's braking system, which are connected to a socket in accordance with ISO 7638, and for controlling the trailer vehicle's lighting system, which are connected to a socket in accordance with ISO 12098, are converted into the line formats of data bus cables that are routed to a brake control unit and to lighting units of the trailer vehicle.
  • a first data bus cable is routed from the connection device to the brake control unit and two further data bus cables are routed side by side to the lighting units of the trailer vehicle, so that the connection device here also has the gateway function.
  • DE 10 2018 007 092 A1 describes a rear light module that is designed to be mounted on the rear of a trailer vehicle.
  • the rear light module has side-mounted rear lights with two tail lights, two brake lights and two indicator lights as well as an electronic light control unit and a battery.
  • the light control unit can be controlled or communicated by the towing vehicle using a connection cable via a wired interface and wirelessly via a wireless interface. It is intended that if the wired communication fails, a warning message is generated and sent wirelessly, i.e. by radio, to the towing vehicle. If the wireless communication also fails, a warning light function, for example in the form of hazard warning lights, should be activated.
  • the invention is based on the object of presenting a control arrangement for controlling a lighting system of a vehicle of the type mentioned at the beginning, which has a further increased operational reliability.
  • a control method for controlling a lighting system of a commercial vehicle trailer with such a control arrangement is to be described, by means of the operation of which a higher operational reliability of the lighting system and a higher road safety of the commercial vehicle trailer or of a vehicle combination formed from a towing vehicle and the commercial vehicle trailer is achieved.
  • the device-related problem is solved by a control arrangement with the features of claim 1.
  • the problem relating to the control method is defined in an independent method claim.
  • Advantageous embodiments and further developments are mentioned in the respective associated dependent claims.
  • the invention therefore relates firstly to a control arrangement for controlling a lighting system of a trailer vehicle, with a central electronic control unit which, when the trailer vehicle is coupled to a towing vehicle, is connected to a voltage source and an electronic control unit of the towing vehicle via a data bus cable and a plug connection, and with at least one electronic light control unit which is connected to the trailer-side central control unit via a data bus cable and to light units of the lighting system via a connection cable or connection contacts, wherein data bus lines of the data bus cable and associated plug contacts of the plug connection form a first communication channel and voltage supply lines of the data bus cable and associated plug contacts of the plug connection form a first voltage supply channel.
  • this control arrangement further provides that the central control unit of the trailer vehicle can be connected to the control unit of the towing vehicle via a redundant second communication channel, and that the second communication channel comprises at least two data bus lines and associated plug contacts, which are part of the data bus cable and the plug connection between the control unit of the towing vehicle and the central control unit of the trailer vehicle.
  • the redundant second communication channel increases the operational reliability of the trailer vehicle's lighting system and thus the road safety of the vehicle combination consisting of a towing vehicle and the trailer vehicle, as the communication path between the control unit of the towing vehicle and the central control unit of the trailer vehicle can be switched to the second communication channel after a failure of the first communication channel. This means that the trailer vehicle's lighting system can still be controlled using the towing vehicle's control unit.
  • the data bus lines and associated plug contacts of the second communication channel are integrated into the data bus cable and the plug connections between the control unit of the towing vehicle and the central control unit of the trailer vehicle, vehicle, the additional equipment required for the second communication channel is comparatively low.
  • the trailer vehicle's lighting control unit can be connected to a voltage source of the towing vehicle or to a voltage source of the trailer vehicle via a redundant second voltage supply channel. This means that the voltage supply of the lighting control unit and thus of the entire trailer vehicle's lighting system can be switched to the second voltage supply channel after a failure of the first voltage supply channel, which ensures at least a limited range of functions of the trailer vehicle's lighting system.
  • the second voltage supply channel comprises at least two supply lines and plug contacts, which are part of the data bus cable and the plug connection between the control unit of the towing vehicle and the central control unit of the trailer vehicle, as well as a data bus cable between the central control unit and the light control unit of the trailer vehicle.
  • the voltage supply of the lighting system of the trailer vehicle is thus provided via at least two supply lines and plug contacts from a voltage source of the towing vehicle, whereby the additional equipment required by the two additional supply lines and plug contacts is comparatively low.
  • the aforementioned supply lines of the second voltage supply channel can have smaller line cross-sections than the supply lines of the first voltage supply channel because the probability of failure of the first voltage supply channel is relatively low and the range of functions of the lighting system can be limited when the second voltage supply channel is activated, which causes a lower electrical current flow through the supply lines.
  • the second voltage supply channel comprises at least two supply lines, which are part of a conventional connecting cable and a plug connection between the control unit of the towing vehicle and the light control unit of the trailer. vehicle.
  • the power supply for the trailer vehicle's lighting system also comes from a voltage source on the towing vehicle, but via a different cable path.
  • This conventional connection cable and the associated plug connection can comply with the ISO 12098 standard, which is widely used for controlling the lighting system of trailer vehicles, and can also be used as a backup for the communication channel between the control unit of the towing vehicle and the lighting control unit of the trailer vehicle.
  • the second voltage supply channel comprises at least two supply lines, which are part of a charging and supply cable arranged between an on-board electric battery of the trailer vehicle and the central control unit of the trailer vehicle and a data bus cable between the central control unit and the light control unit.
  • the voltage supply of the lighting system of the trailer vehicle comes from the electric battery of the trailer vehicle, which acts as a voltage source and which can be charged via the aforementioned charging and supply cable and the central control unit if the first voltage supply channel is intact and can be used to supply voltage to the lighting system if the first voltage supply channel fails.
  • an additional voltage supply channel with at least two supply lines can be provided, which are part of a separate supply cable between the electric battery and the lighting control unit.
  • the light control unit of the trailer vehicle is preferably designed in such a way that, when there is at least one available voltage supply channel and no available communication channel, it causes an emergency operation of the lighting system, which at least provides for continuous operation of the rear lights.
  • This control function can be implemented by interconnecting electronic components of an electronic circuit, or can be part of the control program of the light control unit.
  • the light control unit of the trailer vehicle is preferably designed in such a way that, when the voltage is supplied via the second voltage supply channel from an on-board battery without an available communication channel, it causes the lighting system to operate in energy-saving mode, which at least provides for continuous operation of the parking lights.
  • This control function can be specified by a control program of the light control unit or can be effected by an electronic circuit in the light control unit, which is activated if the first voltage supply channel fails.
  • the data bus cable and the associated plug connection between the control unit of the towing vehicle and the central control unit of the trailer vehicle as well as the data bus cable between the central control unit and the light control unit of the trailer vehicle are preferably designed as Ethernet cables which comply with the ISO 23870 standard, thereby ensuring a high bandwidth and a high data rate of the data communication.
  • the invention relates to a method for controlling a lighting system of a trailer vehicle, with a control arrangement for controlling a lighting system which has a central electronic control unit which, when the trailer vehicle is coupled to a towing vehicle, is connected to a voltage source and an electronic control unit of the towing vehicle via a data bus cable and an associated plug connection, and which has at least one electronic light control unit which is connected to the central control unit via a data bus cable and to light units of the lighting system via a connection cable or connection contacts, wherein data bus lines of the data bus cable and the associated plug contacts of the plug connection form a first communication channel and voltage supply lines of the data bus cable and the associated plug contacts of the plug connection form a first voltage supply channel.
  • this control method provides that the communication between the control unit of the towing vehicle and the central control unit of the trailer vehicle is switched to a redundant second communication channel in the event of a failure of the first communication channel, and that in this case an error message is sent from the central control unit to the control unit of the towing vehicle and normal operation of the lighting system is continued.
  • the control unit of the towing vehicle By switching the communication between the control unit of the towing vehicle and the at least one control unit of the trailer vehicle from the first communication channel to the second communication channel, the controllability of the lighting system of the trailer vehicle by the control unit of the towing vehicle is maintained, thereby increasing the road safety of the vehicle combination formed by the towing vehicle and the trailer vehicle.
  • the voltage supply of the lighting control unit is switched to a redundant second voltage supply channel in the event of a failure of the first voltage supply channel, and that in this case an error message is sent from the lighting control unit to the control unit of the towing vehicle.
  • a warning light function of the lighting system is carried out for a limited period of time and then emergency operation of the lighting system is carried out. This means that a warning light function can be operated and emergency operation of the lighting system can be carried out even if communication with the central control unit of the towing vehicle is interrupted.
  • the light control unit is supplied with power via the second power supply channel after a failure of the available communication channel from an on-board electric battery, a warning light function of the lighting system is operated for a limited period of time and then an energy-saving mode of the lighting system is carried out. Accordingly, even if the power supply from the towing vehicle is completely interrupted, a warning light function and an energy-saving mode of the lighting system can be carried out using the battery arranged on the trailer vehicle.
  • the warning light function of the lighting system provides at least one flashing mode for the trailer's indicator lights, which warns other road users.
  • the emergency mode of the lighting system provides at least one continuous mode for the trailer's rear lights, which provides sufficient lighting for the trailer and thus ensures the road safety of the vehicle combination.
  • the energy-saving mode of the trailer's lighting system provides at least one continuous mode for the parking lights, which provides the trailer with the minimum lighting for as long as possible when it is uncoupled or torn off.
  • the receipt of an error message from the central control unit or from the light control unit of the trailer vehicle in the control unit of the towing vehicle triggers the output of an acoustic or optical warning signal and/or the display of a warning text or a warning pictogram in a display and/or the storage of a corresponding error message in an error memory.
  • Fig. 1 shows a commercial vehicle trailer with a first embodiment of a control arrangement according to the invention in a schematic view
  • Fig. 2 shows a commercial vehicle trailer with a second embodiment of a control arrangement according to the invention in a schematic view
  • Fig. 3 shows a commercial vehicle trailer with a third embodiment of a control arrangement according to the invention in a schematic view
  • Fig. 4 shows a commercial vehicle trailer with a fourth embodiment of a control arrangement according to the invention in a schematic view
  • Fig. 7 further control sequences of the control method according to the invention in the form of a flow chart
  • Fig. 8 further control sequences of the control method according to the invention in the form of a flow chart.
  • Fig. 1 schematically shows a commercial vehicle trailer 2 with a lighting system 12 and a control arrangement 22.1.
  • the trailer vehicle 2 in the present case is, by way of example, a semi-trailer with three vehicle axles 4, 4', 4" and a fifth wheel coupling 8.
  • the vehicle axles 4, 4', 4" are represented by their wheels 6a, 6b; 6a', 6b'; 6a", 6b" and the fifth wheel coupling 8 by its kingpin 10.
  • the lighting system 12 comprises combination lights 14a, 14b, side lights 16a, 16b and license plate lights 18a, 18b arranged on both sides of the rear of the trailer vehicle 2.
  • the combination lights 14a, 14b are designed as multi-chamber lights and each have a rear light, a brake light, a parking light, a turn signal light, a rear fog light and a reversing light.
  • an electronic camera 20a, 20b is arranged on both long sides of the trailer vehicle 2, which captures the surroundings of the trailer vehicle 2 and can be part of a parking assistance system or a turning assistance system.
  • the control arrangement 22.1 shown in Fig. 1 comprises, as an embodiment, a central electronic control unit (VCU) 24, an electronic brake control unit (BCU) 26 and an electronic light control unit (LCU) 28.
  • VCU central electronic control unit
  • BCU electronic brake control unit
  • LCU electronic light control unit
  • the central control unit 24 is connected to an electronic control unit and a voltage source of the towing vehicle via a first plug socket 30 and a first data bus cable 32.
  • the first plug socket 30 and the first data bus cable 32 contain at least two plug contacts or at least two data bus lines, which are part of a first communication channel between the control unit of the towing vehicle and the central control unit 24 of the trailer vehicle 2.
  • first plug socket 30 and the first data bus cable 32 contain at least two plug contacts or two voltage supply lines, which are part of a voltage supply channel between the voltage source of the towing vehicle and the central control unit 24 of the trailer vehicle 2.
  • the data bus lines of the first data bus cable 32 are, for example, those of a high-speed Ethernet data bus in accordance with ISO 23870.
  • the first plug socket 30 and the first data bus cable 32 have at least two further plug contacts or two further data bus lines, which are part of a second communication channel between the control unit of the towing vehicle and the central control unit 24 of the trailer vehicle 2.
  • the communication between the control unit of the towing vehicle and the central control unit 24 of the trailer vehicle can be switched to the second communication channel if the first communication channel fails, thereby increasing the operational reliability of the lighting system 12 and thus the road safety of the vehicle combination formed by the towing vehicle and the trailer vehicle.
  • the brake control unit 26 is connected to an electronic brake control unit on the towing vehicle side and to a voltage source of the towing vehicle via a second plug socket 34 and a second data bus cable 36.
  • the second plug socket 34 and the second data bus cable 36 can correspond to the ISO 7638 standard, which is widely used for controlling an electronic brake system of a trailer vehicle.
  • the brake control unit 26 is connected to the central control unit 24 of the trailer vehicle 2 via a third data bus cable 38, which enables a direct exchange of sensor and control data between the central control unit 24 of the trailer vehicle 2 and the brake control unit 26.
  • the cameras 20a, 20b are also each connected to the central control unit 24 via a data bus cable, namely via a fourth data bus cable 40a or a fifth data bus cable 40b.
  • the light control unit 28 is connected to the central control unit 24 via a sixth data bus cable 42, which preferably conforms to a high-speed Ethernet data bus according to ISO 23870.
  • the data bus lines of the first data bus cable 32 and the sixth data bus cable 42 are thus part of a communication channel between the control unit of the towing vehicle 2 and the light control unit 28.
  • the light control unit 28 is connected to the electronic control unit of the towing vehicle and a voltage source of the towing vehicle via a plug socket 44 and a seventh data bus cable 46 of conventional design.
  • the voltage supply lines of the first data bus cable 32 and the sixth data bus cable 42 are components of a first voltage supply channel between the voltage source of the towing vehicle and the light control unit 28.
  • the voltage supply lines of the seventh data bus cable 46 are components of a second voltage supply channel between the voltage source of the towing vehicle and the light control unit 28.
  • the plug socket 44 and the associated seventh data bus cable 46 can be designed according to the ISO 12098 standard, which is widely used for controlling the lighting systems of commercial vehicle trailers, in which the seventh data bus cable 46 contains three CAN bus lines (CAN-high, CAN-low, CAN-ground) in addition to two voltage supply lines.
  • the voltage supply lines of the seventh data bus cable 46 and the plug contacts of the associated plug socket 44 are part of a second voltage supply channel between the voltage source of the towing vehicle and the light control unit 28.
  • the first voltage supply channel first data bus cable 32, sixth data bus cable 42
  • the voltage supply of the light control unit 28 can be switched to the second voltage supply channel (seventh data bus cable 46), thereby increasing the operational reliability of the lighting system 12 and thus the road safety of the vehicle combination.
  • the direct power supply of the light control unit 28 via the seventh data bus cable 46 ensures that in the event of a defect in the sixth data bus cable 42, which also communicatively connects the light control unit 28 and the central control unit 24 of the trailer vehicle 2, the combination lights 14a, 14b of the trailer vehicle 2 are supplied with a supply voltage that enables emergency operation or warning operation and are also operated in this way.
  • the electronic circuit of the light control unit 28 is designed in such a way that, in the event of a defective sixth data bus cable 42, the light control unit 28 still enables a power supply to the combination lights 14a, 14b of the trailer vehicle 2.
  • the light control unit 28 With a correct power supply to the light control unit 28 via the sixth data bus cable 42 and a functioning communication between the light control unit 28 and the central control unit 24 of the trailer vehicle 2, the light control unit 28 actively switches off the emergency function just described and takes over the normal operation of the lighting system 12.
  • the combination lights 14a, 14b, with which the adjacent side marker and license plate lights 16a, 18a; 16b, 18b are also electrically connected, are connected to the light control unit 28 via a multi-core connecting cable 48 branched at the end, by means of which the switching on and off of the individual lights as well as certain flashing patterns of some lights can be controlled.
  • the second embodiment of a control arrangement 22.2 according to the invention shown in Fig. 2 differs from the first embodiment of the control arrangement 22.1 according to Fig. 1 in that there are now two electronic light control units 28a, 28b, each of which is arranged directly on the rear combination lights 14a, 14b. These two light control units 28a, 28b are connected to the central control unit 24 via an eighth data bus cable 42' branched at the end, which is preferably designed as a high-speed Ethernet data bus according to ISO 23870.
  • an eighth data bus cable 42' branched at the end, which is preferably designed as a high-speed Ethernet data bus according to ISO 23870.
  • a second voltage supply channel for the two light control units 28a, 28b is formed by at least two additional plug contacts in the plug socket 30 and two additional voltage supply lines in the two data bus
  • the third embodiment of the control arrangement 22.3 shown in Fig. 3 differs from the second embodiment of the control arrangement 22.2 according to Fig. 2 in that the light control unit 28b on the left in the direction of travel is connected directly to the central control unit 24 via a ninth data bus cable 42".
  • the light control unit 28a on the right in the direction of travel is connected to the left light control unit 28b via a tenth data bus cable 50, which fulfills a gateway function for the right light control unit 28a, i.e. switches the power supply through to the right light control unit 28a and forwards the control data to it. Accordingly, both light control units 28a, 28b are connected to a first and only power supply channel.
  • FIG. 4 differs from the first embodiment of the control arrangement 22.1 according to Fig. 1 in that an on-board electric battery 52 is now arranged on the trailer vehicle 2, which is connected to the central control unit 24 via a charging and supply cable 54. If the first voltage supply channel is available, the battery 52 can be charged via the central control unit 24 and the charging and supply cable 54. If the first voltage supply channel has failed, i.e. is defective, and the battery 52 is charged, the voltage supply to the light control unit 28 can be provided via the charging and supply cable 54 and via the sixth data bus cable 42 led from the central control unit 24 to the light control unit 28, which thus form a second voltage supply channel.
  • the battery 52 is optionally connected directly to the lighting control unit 28 via a supply cable 56.
  • a further voltage supply channel is thus created, on which the voltage supply to the lighting control unit 28 and the lighting system 12 can be switched as required.
  • Fig. 5 summarizes the most important control functions of the control method according to the invention for certain operating situations A to H, with applicable features being marked with a “yes” and non-applicable features being marked with a “no”.
  • control data signals are available, i.e. if data communication is functioning between the control unit of the towing vehicle and the light control unit 28 of the trailer vehicle 2, and both voltage supply channels are functioning (operating situation A), the light control unit 28 is activated and the lighting system 12 operates normally in ferry mode.
  • the light control unit 28 is still activated and triggers an emergency operation of the lighting system 12 with a warning light function that is effective for a limited period of time and a permanent emergency operation.
  • the warning light function of the lighting system 12 provides at least a flashing operation of the indicator lights and the emergency operation of the lighting system 12 at least a continuous operation of the tail lights.
  • a An error message is issued which is stored in an error memory of the central control unit 24 or the light control unit 28.
  • the light control unit 28 is switched off and in this state causes an energy-saving operation of the lighting system 12, which provides at least continuous operation of the parking lights or the license plate lights 18a, 18b or the side lights 16a, 16b.
  • the active light control unit 28 sends an error message to the control unit of the towing vehicle and the lighting system 12 of the trailer vehicle 2 continues to operate in normal mode.
  • the light control unit 28 is activated and triggers an emergency operation of the lighting system 12 with a warning light function effective for a limited period of time and a permanent emergency operation.
  • the active light control unit 28 sends an error message to the control unit of the towing vehicle and the lighting system 12 of the trailer vehicle 2 continues to operate in normal mode.
  • a first method step S1 the primary first voltage supply (first voltage supply channel) of the light control unit 28 is switched on, so that data communication between the light control unit 28 and the central control unit 24 begins.
  • the second voltage supply second voltage supply channel
  • the light control unit 28 checks whether the data communication is working (method step S2). If the test result is positive, the optionally switched on second voltage supply is switched off (method step S3) and the system branches back to the test query (S2).
  • test query If the test query is negative, an error message is sent from the light control unit 28 to the control unit of the towing vehicle (method step S4) and the second voltage supply is switched on (method step S5), provided it has not already been switched on.
  • the system then branches back to the test query (S2).
  • the test query (S2) and the result-dependent program loops (S3 or S4, S5) are run through at a fixed time interval when the light control unit 28 is switched on.
  • a standard state is first defined (process step S1'), which provides for an emergency lighting switched on (emergency operation of the lighting system 12), a voltage supply to the light control unit 28 via the primary first voltage supply (first voltage supply channel) and possible support from the redundant second voltage supply (second voltage supply channel).
  • a self-test is then carried out (process step S2') and then it is checked whether the data communication is functioning and whether the self-test has produced a positive result (process step S3'). If the test result is positive, the emergency lighting is switched off (process step S4') and the system branches back to the test query (S3').
  • a standard state is first established (method step S1"), which, with regard to the hardware HW, provides for switched-on parking lights (energy-saving mode of the lighting system 12), a switched-off light control unit 28 and a power supply via the redundant second power supply (second power supply channel).
  • this standard state provides for switched-on emergency lighting (emergency mode of the lighting system 12) and a power supply to the light control unit 28 via the primary first power supply (first power supply channel).
  • a method step S2 it is checked whether the first power supply is available.
  • test result is positive, a check is carried out to see whether the data communication is functioning and whether a previously performed self-test has a positive result (process step S3"). If the test result is positive, a normal lighting function (normal operation of the lighting system 12) is carried out (process step S4"). If the test result is negative, the emergency lighting (emergency operation of the lighting system 12) is switched on and an error message is sent from the lighting control unit 28 to the control unit of the towing vehicle (process step S5").
  • test result of the first test query S2" is negative, a check is then carried out to determine whether the second power supply (second power supply channel) is available (process step S6"). If the test result is positive, the parking lights are switched on (energy-saving mode of the lighting system 12) and the lighting control unit 28 is switched off (process step S7"). If the test result is negative, the entire lighting system 12 and the lighting control unit 28 are switched off (process step S8").
  • VCU Vehicle Control Unit central control unit

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Automation & Control Theory (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)

Abstract

L'invention concerne un agencement de commande (22.1) pour commander un système d'éclairage (12) d'un véhicule remorque (2), comprenant une unité de commande électronique centrale (24) qui, lorsque le véhicule remorque est couplé à un véhicule tracteur, est connectée par l'intermédiaire d'un câble de bus de données (32) et d'une connexion à fiche (30) à une source de tension et à une unité de commande électronique du véhicule tracteur, et comprenant au moins une unité de commande d'éclairage électronique (28) qui est connectée par l'intermédiaire d'un câble de bus de données (42) à l'unité de commande centrale (24) et par l'intermédiaire d'un câble de connexion (48) ou de contacts de connexion à des unités d'éclairage (14a, 14b, 16a, 16b, 18a, 18b) du système d'éclairage, des lignes de bus de données du câble de bus de données (32) et des contacts à fiche attribués de la connexion à fiche (30) formant un premier canal de communication, et les lignes d'alimentation en tensions câbles de bus de données (32, 42) et les contacts à fiche attribués de la connexion à fiche (70) formant un premier canal d'alimentation en tension. Pour augmenter la fiabilité de fonctionnement du système d'éclairage (12) et la sécurité routière du véhicule remorque, l'unité de commande centrale (24) du véhicule remorque peut être reliée à l'unité de commande du véhicule tracteur par l'intermédiaire d'un second canal de communication redondant, et le second canal de communication comprend au moins deux lignes de bus de données et des contacts de fiche attribués qui font partie du câble de bus de données (32) et de la connexion de fiche (30) entre l'unité de commande du véhicule remorque et l'unité de commande centrale (24) du véhicule remorque.
EP24714401.7A 2023-03-30 2024-03-05 Agencement de commande et procédé de commande pour un système d'éclairage d'un véhicule remorque Pending EP4688505A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102023108192.6A DE102023108192A1 (de) 2023-03-30 2023-03-30 Steuerungsanordnung und Steuerungsverfahren einer Lichtanlage eines Anhängfahrzeuges
PCT/EP2024/055715 WO2024199912A1 (fr) 2023-03-30 2024-03-05 Agencement de commande et procédé de commande pour un système d'éclairage d'un véhicule remorque

Publications (1)

Publication Number Publication Date
EP4688505A1 true EP4688505A1 (fr) 2026-02-11

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Application Number Title Priority Date Filing Date
EP24714401.7A Pending EP4688505A1 (fr) 2023-03-30 2024-03-05 Agencement de commande et procédé de commande pour un système d'éclairage d'un véhicule remorque

Country Status (5)

Country Link
US (1) US20260021683A1 (fr)
EP (1) EP4688505A1 (fr)
CN (1) CN120826332A (fr)
DE (1) DE102023108192A1 (fr)
WO (1) WO2024199912A1 (fr)

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008054349A1 (de) 2008-11-03 2010-05-06 Wabco Gmbh Steuerungsanordnung für ein Anhängefahrzeug, Anhängefahrzeug und Adapter
DE102009044055A1 (de) * 2009-09-18 2011-03-24 Bpw Bergische Achsen Kg Elektrische Anschlusseinheit für ein Anhängerfahrzeug
DE102010018127A1 (de) 2010-04-24 2011-10-27 Wabco Gmbh Verbindungseinrichtung für ein Anhängefahrzeug und Anhängefahrzeug mit Verbindungseinrichtung
GB201617211D0 (en) * 2016-10-10 2016-11-23 Knorr Bremse Systeme Fuer Nutzfahrzeuge Gmbh Trailer power and communication management
DE102017002391A1 (de) * 2017-03-11 2018-09-13 Wabco Gmbh Elektronisches Bremssystem für einen Anhänger
US11364885B2 (en) 2018-01-18 2022-06-21 Vieletech Inc. Smart trailer controller
DE102018007092B4 (de) 2018-09-07 2024-05-02 Daimler Truck AG Fahrzeugleuchte
US10780818B2 (en) * 2018-12-12 2020-09-22 Bendix Commerical Vehicle Systems Llc Tri-state trailer pigtail
GB2583533B (en) * 2019-05-03 2023-02-01 Knorr Bremse Systeme Fuer Nutzfahrzeuge Gmbh Trailer braking system
DE102020112839A1 (de) * 2020-05-12 2021-11-18 Bayerische Motoren Werke Aktiengesellschaft Schnittstellenadapter für eine Anhängerschnittstelle an einem Kraftfahrzeug

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CN120826332A (zh) 2025-10-21
US20260021683A1 (en) 2026-01-22
WO2024199912A1 (fr) 2024-10-03
DE102023108192A1 (de) 2024-10-02

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