WO2024120875A1 - Dispositif de commutation pour une remorque, comprenant un dispositif de lampe, d'un véhicule en plusieurs parties, en particulier d'un véhicule utilitaire, et remorque - Google Patents

Dispositif de commutation pour une remorque, comprenant un dispositif de lampe, d'un véhicule en plusieurs parties, en particulier d'un véhicule utilitaire, et remorque Download PDF

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Publication number
WO2024120875A1
WO2024120875A1 PCT/EP2023/083192 EP2023083192W WO2024120875A1 WO 2024120875 A1 WO2024120875 A1 WO 2024120875A1 EP 2023083192 W EP2023083192 W EP 2023083192W WO 2024120875 A1 WO2024120875 A1 WO 2024120875A1
Authority
WO
WIPO (PCT)
Prior art keywords
switching device
trailer
interface
light control
vehicle
Prior art date
Application number
PCT/EP2023/083192
Other languages
German (de)
English (en)
Inventor
Jan-Christoph VON DER BEEKE
Axel Stender
Andreas Goers
Andelko Glavinic
Norbert Witte
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 WO2024120875A1 publication Critical patent/WO2024120875A1/fr

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Classifications

    • 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
    • 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

Definitions

  • Switching device for a trailer comprising a lighting device of a multi-unit vehicle, in particular a commercial vehicle, and trailer
  • the invention relates to a switching device for a trailer comprising a lighting device of a multi-unit vehicle, in particular a commercial vehicle.
  • the invention further relates to a trailer comprising a lighting device.
  • a digital data interface is required between a tractor unit (truck) of the multi-unit vehicle and the trailer and/or between several trailers of the multi-unit vehicle.
  • This so-called truck-trailer data interface (“TT-Link”) is set up to transmit digital data and has a high bandwidth for transmitting sensor data from, for example, the trailer to the towing vehicle.
  • the data interface can also be set up to receive light control signals for operating the lighting device from the towing vehicle or to transmit them to the trailer.
  • the data interface is another electrical interface that requires another cable between the towing vehicle and the trailer, between a first trailer and a second trailer, or generally between several members of the multi-member vehicle, especially commercial vehicles.
  • the existing interfaces transmit signals and in particular the light control signal in analogue form.
  • a digital CAN interface is defined via the ISO 12098 interface with a data protocol in accordance with ISO 1 1992-3:2021 -05 "Road vehicles - Exchange of digital information on electrical connections between towing vehicles and trailers - Part 3: Application layer for equipment other than brakes and chassis" (hereinafter ISO 11992-3), this is not used.
  • the data interface should also be usable for operating the lighting system or the lighting device.
  • the data interface should therefore be set up to transmit digital lighting control signals from the towing vehicle to the trailer and replace the analog transmission. This would make it possible to dispense with the current lighting interface in accordance with ISO 12098 and/or ISO 1 185.
  • an adapter that is powered on the input side in accordance with ISO 12098 and provides an output on the output side in accordance with the data interface.
  • the adapter can be carried in the towing vehicle or the trailer. This means that the trailer can only have the data interface for operating the lighting system, while the towing vehicle without the data interface could use the adapter with the ISO 12098 light interface and use it to operate the trailer's data interface.
  • This adapter would be powered via the cables in accordance with ISO 12098 and would output the light status of the cables in accordance with ISO 12098 as data for the data interface.
  • connection system for coupling a vehicle to a trailer with a first plug connection, which is designed to connect the connection system to the vehicle, and a second plug connection, which is designed to connect the connection system to the trailer.
  • the connection system also has a V2X-based communication device, which is designed to process at least one signal that can be transmitted from the vehicle to the trailer. This means that even vehicles produced at an earlier point in time or older vehicles can be retrofitted with this modern technology so that these vehicles can also be digitally networked with the new vehicles of today's vehicle generation.
  • the invention is therefore based on the object of enriching the prior art.
  • An embodiment of the invention can in particular solve the problem of enabling reliable operation of a lighting device on a trailer in a user-friendly and cost-effective manner, especially when the trailer can be supplied with different light control signals depending on the towing vehicle.
  • a switching device for a trailer of a multi-unit vehicle, in particular a commercial vehicle, comprising a lighting device.
  • the switching device can be switched between a first reception mode for receiving a digital, first light control signal according to a first standard and a second reception mode for receiving an analog, second light control signal according to a second standard, and the switching device is designed to operate the lighting device depending on the reception mode.
  • the switching device can therefore be provided to be able to operate the lighting device with a digital light control signal and with an analog light control signal.
  • the switching device or the adapter can supply and/or control lights of the lighting device either via the existing analog, second light control signals according to the second standard or via the digital, first light control signals according to the first standard.
  • the switching device can be operated in two different reception modes. In the first reception mode, the digital, first light control signal according to the first standard can be received in order to operate the lighting device, and in the second reception mode, the analog, second light control signal according to the second standard can be received in order to operate the lighting device.
  • a standard can be any document regulating and/or defining features of the light control signal, the light control signal and/or a signal interface for transmitting the light control signal, including a standard or a legal regulation.
  • the lighting device can be operated either with the digital light control signal or with the analogue light control signal, depending on the design of the towing vehicle and/or its signal interfaces.
  • the switching device can operate the lighting device according to the received light control signal. A selection by a driver and/or user can be dispensed with.
  • the switching device means that an additional plug-in adapter is dispensed with. If the towing vehicle and the trailer are set up for both digital and analogue control of the lighting device, if one of the light control signals fails, the other of the light control signals can operate the lighting device.
  • the digital lighting control signal and the analog lighting control signal can be redundant with regard to the operation of the lighting device.
  • the switching device has a first signal interface for receiving the first light control signal and a second signal interface for receiving the second light control signal.
  • the first signal interface can comprise a first plug connection.
  • the second signal interface can comprise a second plug connection, wherein the first plug connection is different from the second plug connection.
  • the switching device can thus be supplied with light control signals via two different inputs. The switching device is thus effectively adapted to the conditions of the tractor. If the tractor has, for example, a signal interface in accordance with the second standard, the tractor and the switching device or the trailer can be connected via the second plug connection. If the tractor has, for example, a signal interface in accordance with the first standard, the tractor and the switching device or the trailer can be connected via the first plug connection.
  • the switching device has a data interface and the switching device is set up to communicate sensor data in the first reception mode. It was recognized that data, in particular sensor data, can also be communicated via an interface for communicating the digital, first light control signal.
  • the trailer In the first reception mode, the trailer is set up with the towing vehicle in accordance with the first standard for digital communication, which enables communication of the sensor data. This enables comprehensive communication between the trailer and the towing vehicle. This makes it possible to save on the wiring of the trailer and the towing vehicle as well as on spiral cables.
  • the data interface is set up to transmit the sensor data from the trailer to a towing vehicle of the multi-unit vehicle, in particular a commercial vehicle.
  • the sensor data can be used for environmental monitoring, driver assistance and/or to carry out an automated driving function from the Trailer to the towing vehicle.
  • the sensor data can relate to the lighting device. This makes it possible to provide feedback on the light status. Electrical monitoring of the lights can be integrated into the switching device or data on the light status or error monitoring can be sent to the towing vehicle via the switching device and optionally an intermediate electronics via the data interface.
  • the data interface is set up to receive the first light control signal in the first reception mode.
  • the data interface and the first signal interface can be designed as a common interface and, for example, have a common signal interface for digital data transmission. This can save on cabling and a common digital interface can be provided for a variety of applications, in particular for operating the lighting device.
  • the switching device is a module that is designed separately from a communication unit that is functionally connected to a trailer braking system and is functionally connected to the communication unit.
  • the switching device can be designed as separate electronics.
  • the switching device can have a simple structure and/or be retrofittable. By modularizing, i.e. separating, the communication unit and the switching device, production can be carried out more flexibly and effectively.
  • the switching device can be functionally connected to the communication unit for transmitting data and/or control signals.
  • the switching device is part of a communication unit that is functionally connected to a trailer braking system.
  • the switching device can be integrated into a communication electronics unit (Vehicle Communication Unit, VCU), which can also send the sensor data to a towing vehicle via a data interface.
  • VCU Vehicle Communication Unit
  • the switching device and a lamp of the lighting device are designed as a common module.
  • the switching device can be integrated into the lamp.
  • a trailer can be upgraded by changing the lamp to include the switching device and thus be able to be operated with towing vehicles with digital or analogue light control signals.
  • the switching device has an interface for connecting the switching device to a second trailer of the multi-unit vehicle, in particular a commercial vehicle.
  • This enables further integration of the switching device.
  • the switching device can thus comprise an optional additional interface for lights for a subsequent second trailer.
  • the first standard and/or the second standard is an ISO standard and/or an SAE standard.
  • the second standard can be an ISO 12098 and/or an ISO 1 185. This enables comprehensive operation of the switching device and the trailer. Signal interfaces and/or light control signals can be defined based on the standards.
  • a trailer comprising a lighting device and the switching device described above.
  • the switching device can have one or more of the optional features described above in order to achieve an associated technical effect.
  • the switching device can be installed in the trailer.
  • Fig. 1 is a schematic representation of a multi-unit vehicle, in particular a commercial vehicle, with a trailer according to an embodiment of the invention
  • Fig. 2 is a schematic representation of a trailer according to an embodiment of the invention
  • Fig. 3 is a schematic representation of a trailer according to an embodiment of the invention
  • Fig. 4 is a schematic representation of a trailer according to an embodiment of the invention.
  • Fig. 5 is a schematic representation of a trailer according to an embodiment of the invention.
  • Fig. 6 is a schematic representation of signals relating to a trailer according to an embodiment of the invention.
  • Fig. 1 shows a schematic representation of a multi-unit vehicle 200a, in particular commercial vehicle 200b, with a trailer 220a, 220b according to an embodiment of the invention.
  • the multi-unit vehicle 200a, in particular commercial vehicle 200b is a land vehicle.
  • the multi-unit vehicle 200a, in particular commercial vehicle 200b comprises a towing vehicle 210 (truck) and two trailers 220a, 220b (trailer), i.e. a first trailer 220a and a second trailer 220b.
  • the second trailer 220b can be pulled by the first trailer 220a.
  • the multi-unit vehicle 200a, in particular commercial vehicle 200b can have one or more than two trailers 220a, 220b.
  • the towing vehicle 210 has a control unit 215.
  • the control unit 215 is designed to output a light control signal 115 based on, for example, a braking request, a gear selection, a signal function, a function of a light 226 and/or an automated driving function in order to transmit the light control signal 115 to the trailer(s) 220a, 220b.
  • the light control signal 115 can be a digital, first light control signal 115a or an analog, second light control signal 115b (see Figs. 2 to 6).
  • the first trailer 220a has a switching device 100 and a lighting device 225.
  • the switching device 100 is designed to receive the light control signal 115 from the towing vehicle 210.
  • the switching device 100 can be switched between a first reception mode M1 for receiving the digital, first light control signal 115a according to a first standard N1 and a second reception mode M2 for receiving the analog, second light control signal 115b according to a second standard N2.
  • the switching device 100 is designed to operate the lighting device 225 depending on the reception mode M1, M2 or the received light control signal 115.
  • the lighting device 225 of the first trailer 220a can thus be operated without restriction to one of the standards N1, N2 of the light control signal 115 or of the towing vehicle 210.
  • the switching device 100 of the first trailer 220a has an interface 125 for connecting the switching device 100 to the second trailer 220b of the multi-unit vehicle 200a, in particular the commercial vehicle 200b.
  • the second trailer 220b has a switching device 100 designed analogously to the switching device 100 of the first trailer 220a and a lighting device 225.
  • the lighting device 225 of the second trailer 220b can thus be operated without being restricted to one of the standards N1, N2 of the light control signal 115.
  • Embodiments of the switching device 100, the first trailer 220a and/or the second trailer 220b are described with reference to Figs. 2 to 5.
  • Fig. 2 shows a schematic representation of a trailer 220a, 220b according to an embodiment of the invention.
  • the trailer 220a, 220b is a trailer 220a, 220b for a multi-unit vehicle 200a as described with reference to Fig. 1, in particular a commercial vehicle 200b.
  • Fig. 2 is described with reference to Fig. 1 and its description.
  • the trailer 220a, 220b according to Fig. 2 has the switching device 100, a braking system 221, a braking interface 222, a sensor device 235 and a communication unit 230.
  • the brake interface 222 is designed to receive a brake signal 223 from the towing vehicle 210 and to transmit it to the brake system 221.
  • the brake interface 222 is an interface according to ISO 7638 with a Data protocol according to ISO 1 1992. This allows the trailer 220a, 220b to be operated with a towing vehicle 210 designed according to ISO 7638.
  • the braking system 221 can issue a braking request to the brakes of the trailer 220a, 220b (not shown).
  • the braking system 221 is, for example, an electromechanical and/or electropneumatic braking system 221, a so-called “Trailer Electronic Braking System” (TEBS).
  • TEBS Trailer Electronic Braking System
  • the sensor device 235 is designed to record sensor data 118 relating to the surroundings of the trailer 220a, 220b.
  • the sensor device 235 is designed, for example, to record distance data and/or image data as sensor data 118.
  • the sensor device 235 comprises, for example, sensors based on ultrasound, radar and/or lidar and/or is designed to record camera data or image data.
  • the sensor data 118 can be transmitted to the towing vehicle 210 for driver assistance and/or to carry out an automated driving function and/or processed in the trailer 220a, 220b.
  • the communication unit 230 is also referred to as a “vehicle communication unit” (VCU).
  • VCU vehicle communication unit
  • the communication unit 230 connects various components of the trailer 220a, 220b to each other and the trailer 220a, 220b to the towing vehicle 210 (not shown in Fig. 2).
  • the communication unit 230 is connected to the sensor device 235 and can receive sensor data 118 from the sensor device 235 and/or request acquisition of sensor data 118 by the sensor device 235.
  • the communication unit 230 is communicatively connected to the braking system 221 in order to transmit a second braking signal 224 to the braking system 221 and/or to receive information relating to the braking system 221.
  • the communication unit 230 is thus functionally connected to a braking system 221 of the trailer 210.
  • the trailer 230 has a data interface 117.
  • the data interface 117 can comprise a plug connection in order to be coupled to a corresponding connection of the towing vehicle 210.
  • the communication unit 230 can receive data 119, for example for controlling the braking system 221 and/or the sensor device 235, from the towing vehicle 210 via the data interface 117 and/or send it to the towing vehicle 210.
  • the data interface 117 can be designed as an interface in accordance with "Automotive Ethernet" and/or "1000BASE-T1".
  • the communication unit 230 is connected to the switching device 100 for communicating digital data via a signal connection 105'.
  • the switching device 100 has a first signal interface 116a for receiving the first light control signal 115a.
  • the switching device 100 is connected to receive the first light control signal 115a indirectly via the communication unit 230 via the first signal interface 116a.
  • the towing vehicle 210 can transmit the digital, first light control signal 116a to the switching device 100 via the first signal interface 116a and the communication unit 230.
  • the switching device 100 is thus functionally connected to the communication unit 230.
  • the data interface 117 and the first signal interface 116a can thus form a common physical interface between the towing vehicle 210 and the trailer 220a, 220b.
  • the control data can be transmitted between the communication unit 230 and the switching device 110 using any technology, for example CAN, LIN, Ethernet, etc.
  • the switching device 100 has a second signal interface 116b for receiving the second light control signal 115b.
  • the switching device 100 can be connected directly to the towing vehicle 210 via the second signal interface 116 for receiving the analog, second light control signal 115b.
  • the switching device 100 can be switched between a first reception mode M1 for receiving the digital, first light control signal 115a according to a first standard N1 and a second reception mode M2 for receiving the analog, second light control signal 115b according to a second standard N2.
  • the first standard N1 and the second standard N2 are each an ISO standard.
  • the second standard N2 is ISO 12098 and/or ISO 1185.
  • the switching device 100 is designed to operate the lighting device 225 depending on the reception mode M1, M2 or the received light control signal 115.
  • the switching device 100 is connected to the lighting device 225 or to the lights 226 of the lighting device 225 via a signal connection 105.
  • the switching device 100 is designed to supply the lighting device 225 with electrical energy and/or a signal for controlling the lighting device 225 via the signal connection 105 in order to operate the lighting device 225.
  • the switching device 100 can output the respective light control signal 115a, 115b to the lighting device 225 via the signal connection 105 depending on the reception mode M1, M2 and optionally convert it for output.
  • the switching device 100 is a module 120a formed separately from the communication unit 230.
  • the module 120a and the communication unit 230 can have different housings and/or circuit boards and mutually compatible electrical connections.
  • the switching device 100 is further configured to enable emergency operation of the braking system 221 via a brake light voltage of the second signal interface 116b if a towing vehicle 210 is not connected to the trailer 220a, 220b via the data interface 117 or the brake interface 222.
  • the switching device 100 can provide additional lines for the brake light and ground.
  • Fig. 3 shows a schematic representation of a trailer 220a, 220b according to an embodiment of the invention.
  • the trailer 220a, 220b according to Fig. 3 is described with reference to Figs. 1 and 2. Differences between the trailers 220a, 220b according to Figs. 2 and 3 are described.
  • the switching device 100 has a third signal interface 116c and an interface 125 for connecting the switching device 100 to a second trailer 220a, 220b of the multi-unit vehicle 200a, in particular commercial vehicle 200b.
  • the third signal interface 116c is, for example, an interface in accordance with ISO 1185 and is set up to receive a third light control signal 115c.
  • the third light control signal 115 can be an analog signal analogous to the second light control signal 115b.
  • the switching device 100 is set up, depending on the reception mode M1, M2, to output the third light control signal 115c received via the third signal interface 116c to the second trailer 220b via the interface 125 and optionally convert it for output and/or to output a digital, first light control signal 116a received via the first signal interface 116a to the second trailer 220b via the interface 125 and optionally convert it for output.
  • Fig. 4 shows a schematic representation of a trailer 220a, 220b according to an embodiment of the invention.
  • the trailer 220a, 220b according to Fig. 4 is described with reference to Figs. 1 to 3. Differences between the trailers 220a, 220b according to Figs. 2 and 4 are described.
  • the switching device 100 is part of the communication unit 230 that is functionally connected to the braking system 221 of the trailer 210.
  • the switching device 100 therefore has the data interface 117.
  • the switching device 100 is set up to communicate sensor data 118 in the first reception mode M1. This means that the switching device 100 can receive the digital, first light control signal 115a and simultaneously send sensor data 118 via the jointly formed data interface 117 and first signal interface 116a.
  • the data interface 117 or the first signal interface 116a is set up to transmit the sensor data 118 from the trailer 220a, 220b to the towing vehicle 210 of the multi-unit vehicle 200a, in particular commercial vehicle 200b.
  • the data interface 117 is set up to receive the first light control signal 115a in the first reception mode M1. With this direct connection, the switching device 100 meets the interface specification of the data interface 117.
  • Fig. 5 shows a schematic representation of a trailer 220a, 220b according to an embodiment of the invention.
  • the trailer 220a, 220b according to Fig. 5 is Reference to Figs. 1 to 4. Differences between the trailers 220a, 220b according to Figs. 2 and 5 are described.
  • the switching device 100 and a light 226 of the lighting device 225 are designed as a common module 120b.
  • the trailer 220a, 220b comprises a signal connection 105' between the communication unit 230 and the switching device 100 as described with reference to Figs. 2 and 3; in another embodiment, the trailer 220a, 220b comprises a signal connection 105" between the braking system 221 and the switching device 100, wherein the switching device 100 is indirectly connected to the communication unit 230 via the braking system 221.
  • Fig. 6 shows a schematic representation of signals relating to a trailer 220a, 220b according to an embodiment of the invention.
  • the braking system 221 receives a braking signal 223, for example via an ISO 7638 interface.
  • the communication unit 230 receives data 119, for example from the towing vehicle 210 via the data interface 117.
  • the communication unit 230 and the braking system 221 can exchange data with each other, as described with reference to Fig. 2.
  • the switching device 100 is functionally connected to the communication unit 230 and via the communication unit 230 to the braking system 221 and can also receive the first light control signal 115a and the second light control signal 115b. Depending on the application, the switching device can output the first light control signal 115a and/or the second light control signal 115b for operating the lighting device 225 and/or for transmission to another trailer 220a, 220b.
  • Reference symbol (part of the description)

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)

Abstract

L'invention se rapporte à un dispositif de commutation (100) pour une remorque (220a, 22b), comprenant un dispositif de lampe (225), d'un véhicule en plusieurs parties (200a), en particulier d'un véhicule utilitaire (200b), le dispositif de commutation (100) pouvant être commuté entre un premier mode de réception (M1) pour recevoir un premier signal de commande de lumière numérique (115a) selon une première norme (N1) et un second mode de réception (M2) pour recevoir un second signal de commande de lumière analogique (115b) selon une seconde norme (N2), et le dispositif de commutation (100) étant conçu pour faire fonctionner le dispositif de lampe (225) selon le mode de réception (M1, M2).
PCT/EP2023/083192 2022-12-07 2023-11-27 Dispositif de commutation pour une remorque, comprenant un dispositif de lampe, d'un véhicule en plusieurs parties, en particulier d'un véhicule utilitaire, et remorque WO2024120875A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102022132509.1A DE102022132509A1 (de) 2022-12-07 2022-12-07 Umschaltvorrichtung für einen eine Leuchtvorrichtung umfassenden Anhänger eines mehrgliedrigen Fahrzeugs, insbesondere Nutzfahrzeugs, und Anhänger
DE102022132509.1 2022-12-07

Publications (1)

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WO2024120875A1 true WO2024120875A1 (fr) 2024-06-13

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PCT/EP2023/083192 WO2024120875A1 (fr) 2022-12-07 2023-11-27 Dispositif de commutation pour une remorque, comprenant un dispositif de lampe, d'un véhicule en plusieurs parties, en particulier d'un véhicule utilitaire, et remorque

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WO (1) WO2024120875A1 (fr)

Citations (5)

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US5397924A (en) * 1991-12-09 1995-03-14 Eaton Corporation Truck tractor and trailer electrical communication system
DE102009044055A1 (de) * 2009-09-18 2011-03-24 Bpw Bergische Achsen Kg Elektrische Anschlusseinheit für ein Anhängerfahrzeug
DE102017220585A1 (de) 2017-11-17 2019-05-23 Continental Teves Ag & Co. Ohg Verbindungssystem zur Kopplung eines Fahrzeugs mit einem Anhänger
US20190308594A1 (en) * 2016-10-10 2019-10-10 Knorr-Bremse Systeme Fuer Nutzfahrzeuge Gmbh Trailer power and communication management
US20200189445A1 (en) * 2018-12-12 2020-06-18 Bendix Commercial Vehicle Systems Llc Tri-state trailer pigtail

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Publication number Priority date Publication date Assignee Title
DE20320506U1 (de) 2002-06-06 2004-12-23 Wagner, Guido Funkschnittstelle zwischen Fahrzeug und Anhänger
DE102010018127A1 (de) 2010-04-24 2011-10-27 Wabco Gmbh Verbindungseinrichtung für ein Anhängefahrzeug und Anhängefahrzeug mit Verbindungseinrichtung
DE102012008408A1 (de) 2012-04-27 2013-10-31 Wabco Gmbh Verbindungseinrichtung zur Datenkommunikation zwischen zwei Fahrzeugen
DE102018111767A1 (de) 2017-11-10 2019-05-16 Syn Trac Gmbh Steuereinheit und Steuersystem für eine Kombination aus einem Fahrzeug und einem Anbaugerät

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5397924A (en) * 1991-12-09 1995-03-14 Eaton Corporation Truck tractor and trailer electrical communication system
DE102009044055A1 (de) * 2009-09-18 2011-03-24 Bpw Bergische Achsen Kg Elektrische Anschlusseinheit für ein Anhängerfahrzeug
US20190308594A1 (en) * 2016-10-10 2019-10-10 Knorr-Bremse Systeme Fuer Nutzfahrzeuge Gmbh Trailer power and communication management
DE102017220585A1 (de) 2017-11-17 2019-05-23 Continental Teves Ag & Co. Ohg Verbindungssystem zur Kopplung eines Fahrzeugs mit einem Anhänger
US20200189445A1 (en) * 2018-12-12 2020-06-18 Bendix Commercial Vehicle Systems Llc Tri-state trailer pigtail

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