WO2018033230A1 - Electronic brake system - Google Patents

Electronic brake system Download PDF

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Publication number
WO2018033230A1
WO2018033230A1 PCT/EP2017/000713 EP2017000713W WO2018033230A1 WO 2018033230 A1 WO2018033230 A1 WO 2018033230A1 EP 2017000713 W EP2017000713 W EP 2017000713W WO 2018033230 A1 WO2018033230 A1 WO 2018033230A1
Authority
WO
WIPO (PCT)
Prior art keywords
communication module
communication
brake system
radio
leakage
Prior art date
Application number
PCT/EP2017/000713
Other languages
German (de)
French (fr)
Inventor
Ulf LAUDE
Original Assignee
Wabco 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 Wabco Gmbh filed Critical Wabco Gmbh
Publication of WO2018033230A1 publication Critical patent/WO2018033230A1/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T7/00—Brake-action initiating means
    • B60T7/12—Brake-action initiating means for automatic initiation; for initiation not subject to will of driver or passenger
    • B60T7/16—Brake-action initiating means for automatic initiation; for initiation not subject to will of driver or passenger operated by remote control, i.e. initiating means not mounted on vehicle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
    • B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
    • B60T13/66—Electrical control in fluid-pressure brake systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
    • B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
    • B60T13/66—Electrical control in fluid-pressure brake systems
    • B60T13/662—Electrical control in fluid-pressure brake systems characterised by specified functions of the control system components
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
    • B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
    • B60T13/66—Electrical control in fluid-pressure brake systems
    • B60T13/68—Electrical control in fluid-pressure brake systems by electrically-controlled valves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
    • B60T17/18—Safety devices; Monitoring
    • B60T17/22—Devices for monitoring or checking brake systems; Signal devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
    • B60T17/18—Safety devices; Monitoring
    • B60T17/22—Devices for monitoring or checking brake systems; Signal devices
    • B60T17/221—Procedure or apparatus for checking or keeping in a correct functioning condition of brake systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T7/00—Brake-action initiating means
    • B60T7/12—Brake-action initiating means for automatic initiation; for initiation not subject to will of driver or passenger
    • B60T7/16—Brake-action initiating means for automatic initiation; for initiation not subject to will of driver or passenger operated by remote control, i.e. initiating means not mounted on vehicle
    • B60T7/18—Brake-action initiating means for automatic initiation; for initiation not subject to will of driver or passenger operated by remote control, i.e. initiating means not mounted on vehicle operated by wayside apparatus
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
    • B60T8/17—Using electrical or electronic regulation means to control braking
    • B60T8/171—Detecting parameters used in the regulation; Measuring values used in the regulation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
    • B60T8/17—Using electrical or electronic regulation means to control braking
    • B60T8/175—Brake regulation specially adapted to prevent excessive wheel spin during vehicle acceleration, e.g. for traction control
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
    • B60T8/32—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
    • B60T8/88—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration with failure responsive means, i.e. means for detecting and indicating faulty operation of the speed responsive control means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/27—Adaptation for use in or on movable bodies
    • H01Q1/32—Adaptation for use in or on road or rail vehicles
    • H01Q1/325—Adaptation for use in or on road or rail vehicles characterised by the location of the antenna on the vehicle
    • H01Q1/3283—Adaptation for use in or on road or rail vehicles characterised by the location of the antenna on the vehicle side-mounted antennas, e.g. bumper-mounted, door-mounted
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
    • H01Q13/20—Non-resonant leaky-waveguide or transmission-line antennas; Equivalent structures causing radiation along the transmission path of a guided wave

Definitions

  • the invention relates to an electronic brake system with communication module for radio-based communication. Moreover, the invention relates to a commercial vehicle and a vehicle arrangement.
  • An electronic control unit of the brake system processes information from sensors, controls actuators of the brake system and other systems, for example an air suspension, and is networked with other electronic control units via a CAN data bus. Also possible is wireless communication with the control devices, namely for controlling vehicle functions by means of a remote control and / or for retrieving information.
  • a radio-based communication module is provided in the vehicle, which preferably has its own electronic control unit and enables communication, for example by WLAN or Bluetooth or other radio standards.
  • the wireless communication is also useful between a user in a driver's cab of the vehicle and a communication module in a rear of the vehicle and between successive trailers in a so-called roadtrain.
  • the communication modules are equipped with relatively short rod antennas or stub antennas which transmit electromagnetic radiation substantially in all directions, or at least in radiate around a level. In this case, a relatively high transmission power is required to enable the desired radio communication with other subscribers or communication modules.
  • leak cables as antennas (also known as slotted cable, leakage line or radiator cable) is known. Specifically, it is coaxial cable with small slots or openings in the outer conductor, through which a high-frequency signal can be emitted or recorded.
  • Leaky cables are used, for example, in airplanes, trains and tunnels to allow the persons present there communication or radio reception.
  • Object of the present invention is to provide an electronic brake system with improved possibility for radio-based communication.
  • a leak cable is provided as the antenna for the communication module. This can be connected with an antenna cable to the communication module.
  • the leakage cable can be routed so that desired communication partners are typically located nearby.
  • the leakage cable has a relatively short range as an antenna.
  • the invention also relates to a utility vehicle having a communication module for radio-based communication.
  • a leakage cable is provided as antenna for the communication module.
  • the communication module is connected to an electronic brake system in the commercial vehicle.
  • the communication module according to the WLAN standard (IE EE 802.1 1 with extensions) and is or contains a so-called wireless / CAN converter.
  • the configuration of the leakage cable is adapted to the wireless LAN frequencies.
  • other wireless standards may also be used, such as Bluetooth or ZigBee, with adapted leakage cables.
  • the commercial vehicle is a trailer, wherein the leakage cable is arranged in particular in the region of a front end side and / or a rear end side.
  • the trailer may also be a so-called semi-trailer. Due to the arrangement on the front end, a good wireless connection to the towing vehicle or to the driver's cab of the towing vehicle can be achieved.
  • the arrangement of the leakage cable at the rear end allows a good connection to an adjoining trailer or to a behind the trailer user with a corresponding mobile communication module (remote control, smartphone, etc.).
  • a leakage cable is provided as an antenna in at least one of the following areas:
  • e) side wall in particular at a transition to a front side and / or bottom side.
  • the arrangement on the bottom side allows radio contact when the vehicle is over a workshop pit.
  • the arrangement of the leakage cable on the side wall allows in particular a good radio connection to a mobile communication module of a user who is staying laterally next to the vehicle.
  • the invention also relates to a vehicle arrangement, consisting of train carriage and at least two trailers, with electronic brake system and communication modules for radio-based communication.
  • the leakage cables are arranged at least in the range of transitions between two trailers.
  • the pulling trailer on its rear end face on a leaky cable, as well as the towed trailer on its front side.
  • a wireless and secure communication in a so-called Roadtrain can be realized in a simple manner.
  • the leakage cable is also provided in the region of a transition from the towing vehicle to the following trailer.
  • at least one leakage cable is also provided on a rear end side of the towing vehicle and / or on a front end side of the trailer.
  • the invention also relates to the use of leakage cables as an antenna in commercial vehicles, in particular for a communication module in conjunction with an electronic brake system.
  • leakage cables for radio-based communication in connection with commercial vehicles has serious advantages. From a nearly punctiform source outgoing, relatively strong electromagnetic radiation is avoided. This applies in particular in the area of a driver's cab.
  • the installation position of the leakage cables as antennas can be better adapted to the purpose of use than with conventional antennas. Secure radio-based communication with limited range within a vehicle arrangement is much easier to implement.
  • a trailer 10 in the manner of a trailer is coupled to a train carriage 11.
  • Trailer 10 and towing vehicle 1 1 are equipped with an electronic braking system.
  • An electronic control unit 12 of the trailer 10 is connected to a communication module 13 via a CAN data bus (not shown). The latter allows radio-based communication, in particular via WLAN.
  • front and rear antenna cables 14, 15, 16 are Connected to the communication module.
  • the leakage cable 17 is located outside on a front end 20 of the trailer 10. This allows a good communication by radio with a corresponding communication module in a cab 21 of the towing vehicle 1 first
  • the leakage cable 18 extends on a bottom side 22 of the trailer 10. This makes possible a radio-based communication with not shown communication modules below the trailer 10, such as in a workshop pit, or laterally next to the trailer.
  • the leakage cable 19 is provided on the outside at a rear end face 23 of the trailer 10. This makes possible a radio-based communication with a further trailer, not shown, and / or with a mobile communication module of a user behind the trailer 10.

Abstract

The invention relates to an electronic brake system having a communication module for radio-based communication. According to the invention, a leaky feeder is provided as an antenna for the communication module.

Description

Elektronisches Bremssystem  Electronic brake system
Beschreibung description
Die Erfindung betrifft ein elektronisches Bremssystem mit Kommunikationsmodul zur funkbasierten Kommunikation. Außerdem betrifft die Erfindung ein Nutzfahrzeug und eine Fahrzeuganordnung. The invention relates to an electronic brake system with communication module for radio-based communication. Moreover, the invention relates to a commercial vehicle and a vehicle arrangement.
Nutzfahrzeuge sind mit einem elektronischen Bremssystem ausgestattet, insbesondere in Verbindung mit einer pneumatischen Bremsanlage. Eine elektronisches Steuergerät des Bremssystems verarbeitet Informationen von Sensoren, steuert Ak- tuatoren des Bremssystems und anderer Systeme, beispielsweise einer Luftfederung, und ist über einen CAN-Datenbus mit anderen elektronischen Steuergeräten vernetzt. Möglich ist auch eine drahtlose Kommunikation mit den Steuergeräten, nämlich zur Steuerung von Fahrzeugfunktionen mittels einer Fernbedienung und/oder zum Abruf von Informationen. Hierzu ist im Fahrzeug ein funkbasiertes Kommunikationsmodul vorgesehen, welches vorzugsweise ein eigenes elektronisches Steuergerät aufweist und eine Kommunikation beispielsweise per WLAN oder Bluetooth oder nach anderen Funkstandards ermöglicht. Commercial vehicles are equipped with an electronic braking system, in particular in conjunction with a pneumatic brake system. An electronic control unit of the brake system processes information from sensors, controls actuators of the brake system and other systems, for example an air suspension, and is networked with other electronic control units via a CAN data bus. Also possible is wireless communication with the control devices, namely for controlling vehicle functions by means of a remote control and / or for retrieving information. For this purpose, a radio-based communication module is provided in the vehicle, which preferably has its own electronic control unit and enables communication, for example by WLAN or Bluetooth or other radio standards.
Die drahtlose Kommunikation ist auch sinnvoll bzw. wünschenswert zwischen einem Benutzer in einer Fahrerkabine des Fahrzeugs und einem Kommunikationsmodul in einem hinteren Bereich des Fahrzeugs sowie zwischen aufeinanderfolgenden Anhängern in einem sogenannten Roadtrain. Typischerweise sind die Kommunikationsmodule mit relativ kurzen Stabantennen oder Stummelantennen ausgerüstet, welche elektromagnetische Strahlung im Wesentlichen in alle Richtungen oder zumindest in einer Ebene rundum abstrahlen. Dabei ist eine relativ hohe Sendeleistung erforderlich, um die gewünschte Funkkommunikation mit anderen Teilnehmern oder Kommunikationsmodulen zu ermöglichen. Andererseits ergeben sich an anderer Stelle dadurch Reichweiten der Funkkommunikation, die nicht beabsichtigt sind, etwa bei auf Betriebshöfen stehenden Fahrzeugen. Aufgrund der Reichweite können dort auch Funkverbindungen zu nicht erwünschten Teilnehmern aufgebaut werden. The wireless communication is also useful between a user in a driver's cab of the vehicle and a communication module in a rear of the vehicle and between successive trailers in a so-called roadtrain. Typically, the communication modules are equipped with relatively short rod antennas or stub antennas which transmit electromagnetic radiation substantially in all directions, or at least in radiate around a level. In this case, a relatively high transmission power is required to enable the desired radio communication with other subscribers or communication modules. On the other hand, there are ranges of radio communication elsewhere that are not intended, for example in vehicles parked on depots. Due to the range, radio connections to undesired subscribers can also be set up there.
Grundsätzlich bekannt ist die Verwendung von sogenannten Leckkabeln als Antennen (auch als Schlitzkabel, Leckleitung oder Strahlerkabel bezeichnet). Konkret handelt es sich um Koaxialkabel mit kleinen Schlitzen oder Öffnungen im Außenleiter, durch die ein Hochfrequenz-Signal abgestrahlt oder aufgenommen werden kann. Leckkabel werden beispielsweise in Flugzeugen, Zügen und Tunneln verwendet um den dort vorhandenen Personen eine Kommunikation oder einen Radioempfang zu ermöglichen. Basically, the use of so-called leak cables as antennas (also known as slotted cable, leakage line or radiator cable) is known. Specifically, it is coaxial cable with small slots or openings in the outer conductor, through which a high-frequency signal can be emitted or recorded. Leaky cables are used, for example, in airplanes, trains and tunnels to allow the persons present there communication or radio reception.
Aufgabe der vorliegenden Erfindung ist die Schaffung eines elektronischen Bremssystems mit verbesserter Möglichkeit zur funkbasierten Kommunikation. Object of the present invention is to provide an electronic brake system with improved possibility for radio-based communication.
Zur Lösung der Aufgabe weist das elektronische Bremssystem die Merkmale des Anspruchs 1 auf. Insbesondere ist als Antenne für das Kommunikationsmodul ein Leckkabel vorgesehen. Dieses kann mit einem Antennenkabel an das Kommunikationsmodul angeschlossen sein. Dabei kann das Leckkabel so verlegt sein, dass sich erwünschte Kommunikationspartner typischerweise in der Nähe befinden. Das Leckkabel hat als Antenne eine relativ geringe Reichweite. Durch die Verwendung des Leckkabels kann sichergestellt werden, dass zum einen die erwünschten Kommunikationspartner erreichbar sind und zum anderen unerwünschte Kommunikationspartner einen ausreichenden Abstand aufweisen. To solve the problem, the electronic brake system on the features of claim 1. In particular, a leak cable is provided as the antenna for the communication module. This can be connected with an antenna cable to the communication module. In this case, the leakage cable can be routed so that desired communication partners are typically located nearby. The leakage cable has a relatively short range as an antenna. By using the leakage cable can be ensured that on the one hand, the desired communication partners can be reached and on the other unwanted communication partners have a sufficient distance.
Gegenstand der Erfindung ist auch ein Nutzfahrzeug mit einem Kommunikationsmodul zur funkbasierten Kommunikation. Erfindungsgemäß ist als Antenne für das Kommunikationsmodul ein Leckkabel vorgesehen. Vorteilhafterweise ist das Kommunikationsmodul an ein elektronisches Bremssystem im Nutzfahrzeug angeschlossen. Vorzugsweise funkt das Kommunikationsmodul nach dem WLAN-Standard (IE- EE 802.1 1 mit Erweiterungen) und ist oder beinhaltet einen sogenannten Wirel- ess/CAN-Konverter. Die Konfiguration des Leckkabels ist an die WLAN-Freq Uenzen angepasst. Es können aber auch andere Funkstandards zur Anwendung kommen, etwa Bluetooth oder ZigBee, mit daran angepassten Leckkabeln. The invention also relates to a utility vehicle having a communication module for radio-based communication. According to the invention, a leakage cable is provided as antenna for the communication module. Advantageously, the communication module is connected to an electronic brake system in the commercial vehicle. Preferably, the communication module according to the WLAN standard (IE EE 802.1 1 with extensions) and is or contains a so-called wireless / CAN converter. The configuration of the leakage cable is adapted to the wireless LAN frequencies. However, other wireless standards may also be used, such as Bluetooth or ZigBee, with adapted leakage cables.
Nach einem weiteren Gedanken der Erfindung ist das Nutzfahrzeug ein Anhänger, wobei das Leckkabel insbesondere im Bereich einer vorderen Stirnseite und/oder einer hinteren Stirnseite angeordnet ist. Bei dem Anhänger kann es sich auch um einen sogenannten Auflieger handeln. Durch die Anordnung an der vorderen Stirnseite ist eine gute Funkverbindung zum Zugwagen bzw. zur Fahrerkabine des Zugwagens erzielbar. Die Anordnung des Leckkabels an der hinteren Stirnseite ermöglicht eine gute Verbindung zu einem daran anschließenden Anhänger oder zu einem hinter dem Anhänger stehenden Benutzer mit einem entsprechenden mobilen Kommunikationsmodul (Fernbedienung, Smartphone usw.). According to a further aspect of the invention, the commercial vehicle is a trailer, wherein the leakage cable is arranged in particular in the region of a front end side and / or a rear end side. The trailer may also be a so-called semi-trailer. Due to the arrangement on the front end, a good wireless connection to the towing vehicle or to the driver's cab of the towing vehicle can be achieved. The arrangement of the leakage cable at the rear end allows a good connection to an adjoining trailer or to a behind the trailer user with a corresponding mobile communication module (remote control, smartphone, etc.).
Nach einem weiteren Gedanken der Erfindung ist ein Leckkabel als Antenne in wenigstens einem der nachfolgenden Bereiche vorgesehen: According to another aspect of the invention, a leakage cable is provided as an antenna in at least one of the following areas:
a) Bodenseite, a) bottom side,
b) Stirnseite eines Frachtraums, benachbart zu einer Fahrerkabine, b) front side of a cargo compartment, adjacent to a driver's cab,
c) vorderseitige Stirnseite, c) front end face,
d) rückseitige Stirnseite, d) rear face,
e) Seitenwand, insbesondere an einem Übergang zu einer Stirnseite und/oder Bodenseite. e) side wall, in particular at a transition to a front side and / or bottom side.
Die Anordnung an der Bodenseite ermöglicht einen Funkkontakt bei Aufenthalt des Fahrzeugs über einer Werkstattgrube. Die Anordnung des Leckkabels an der Seitenwand ermöglicht insbesondere eine gute Funkverbindung zu einem mobilen Kommunikationsmodul eines Benutzers, welcher sich seitlich neben dem Fahrzeug aufhält. The arrangement on the bottom side allows radio contact when the vehicle is over a workshop pit. The arrangement of the leakage cable on the side wall allows in particular a good radio connection to a mobile communication module of a user who is staying laterally next to the vehicle.
Gegenstand der Erfindung ist auch eine Fahrzeuganordnung, bestehend aus Zugwagen und mindestens zwei Anhängern, mit elektronischem Bremssystem und Kommunikationsmodulen zur funkbasierten Kommunikation. Erfindungsgemäß sind als Antennen für die Kommunikationsmodule Leckkabel vorgesehen, wobei die Leckkabel zumindest im Bereich von Übergängen zwischen zwei Anhängern angeordnet sind. Insbesondere weist der ziehende Anhänger an seiner rückseitigen Stirnseite ein Leckkabel auf, ebenso der gezogene Anhänger an seiner vorderseitigen Stirnseite. Dadurch ist auf einfache Weise eine drahtlose und sichere Kommunikation in einem sogenannten Roadtrain realisierbar. The invention also relates to a vehicle arrangement, consisting of train carriage and at least two trailers, with electronic brake system and communication modules for radio-based communication. According to the invention provided as antennas for the communication modules leakage cable, the leakage cables are arranged at least in the range of transitions between two trailers. In particular, the pulling trailer on its rear end face on a leaky cable, as well as the towed trailer on its front side. As a result, a wireless and secure communication in a so-called Roadtrain can be realized in a simple manner.
Nach einem weiteren Gedanken der Erfindung ist das Leckkabel auch im Bereich eines Übergangs vom Zugwagen zum nachfolgenden Anhänger vorgesehen. Vorzugsweise ist auch hier wenigstens ein Leckkabel an einer rückseitigen Stirnseite des Zugwagens und/oder an einer vorderseitigen Stirnseite des Anhängers vorgesehen. According to a further aspect of the invention, the leakage cable is also provided in the region of a transition from the towing vehicle to the following trailer. Preferably, at least one leakage cable is also provided on a rear end side of the towing vehicle and / or on a front end side of the trailer.
Schließlich ist Gegenstand der Erfindung auch die Verwendung von Leckkabeln als Antenne in Nutzfahrzeugen, insbesondere für ein Kommunikationsmodul in Verbindung mit einem elektronischen Bremssystem. Finally, the invention also relates to the use of leakage cables as an antenna in commercial vehicles, in particular for a communication module in conjunction with an electronic brake system.
Die Verwendung von Leckkabeln zur funkbasierten Kommunikation in Verbindung mit Nutzfahrzeugen hat gravierende Vorteile. Von einer nahezu punktförmigen Quelle ausgehende, relativ starke elektromagnetische Strahlung wird vermieden. Dies gilt insbesondere im Bereich einer Fahrerkabine. Die Einbaulage der Leckkabel als Antennen kann an den Verwendungszweck besser angepasst werden als bei herkömmlichen Antennen. Eine sichere funkbasierte Kommunikation mit begrenzter Reichweite innerhalb einer Fahrzeuganordnung ist wesentlich einfacher realisierbar. The use of leakage cables for radio-based communication in connection with commercial vehicles has serious advantages. From a nearly punctiform source outgoing, relatively strong electromagnetic radiation is avoided. This applies in particular in the area of a driver's cab. The installation position of the leakage cables as antennas can be better adapted to the purpose of use than with conventional antennas. Secure radio-based communication with limited range within a vehicle arrangement is much easier to implement.
Weitere Merkmale der Erfindung ergeben sich aus der Beschreibung im Übrigen und aus den Ansprüchen. Vorteilhafte Ausführungsformen der Erfindung werden nachfolgend anhand der einzigen Figur näher erläutert: Further features of the invention will become apparent from the description, moreover, and from the claims. Advantageous embodiments of the invention are explained in more detail below with reference to the single FIGURE:
Ein Anhänger 10 nach Art eines Aufliegers ist an einen Zugwagen 11 angekoppelt. Anhänger 10 und Zugwagen 1 1 sind mit einem elektronischen Bremssystem ausgestattet. Ein elektronisches Steuergerät 12 des Anhängers 10 ist über einen nicht gezeigten CAN-Datenbus mit einem Kommunikationsmodul 13 verbunden. Letzteres ermöglicht eine funkbasierte Kommunikation, insbesondere per WLAN. A trailer 10 in the manner of a trailer is coupled to a train carriage 11. Trailer 10 and towing vehicle 1 1 are equipped with an electronic braking system. An electronic control unit 12 of the trailer 10 is connected to a communication module 13 via a CAN data bus (not shown). The latter allows radio-based communication, in particular via WLAN.
An das Kommunikationsmodul angeschlossen sind vorderseitig und rückseitig Antennenkabel 14, 15, 16 (Koaxialkabel), an welche jeweils Leckkabel 17, 18, 19 anschließen. Connected to the communication module are front and rear antenna cables 14, 15, 16 (coaxial cable), to which each leak cable 17, 18, 19 connect.
Das Leckkabel 17 befindet sich außen an einer vorderen Stirnseite 20 des Anhängers 10. Dies ermöglicht eine gute Kommunikation per Funk mit einem entsprechenden Kommunikationsmodul in einer Fahrerkabine 21 des Zugwagens 1 1 . The leakage cable 17 is located outside on a front end 20 of the trailer 10. This allows a good communication by radio with a corresponding communication module in a cab 21 of the towing vehicle 1 first
Das Leckkabel 18 verläuft an einer Bodenseite 22 des Anhängers 10. Möglich ist dadurch eine funkbasierte Kommunikation mit nicht gezeigten Kommunikationsmodulen unterhalb des Anhängers 10, etwa in einer Werkstattgrube, oder seitlich neben dem Anhänger 0. The leakage cable 18 extends on a bottom side 22 of the trailer 10. This makes possible a radio-based communication with not shown communication modules below the trailer 10, such as in a workshop pit, or laterally next to the trailer.
Das Leckkabel 19 ist außen an einer rückwärtigen Stirnseite 23 des Anhängers 10 vorgesehen. Möglich ist dadurch eine funkbasierte Kommunikation mit einem nicht gezeigten weiteren Anhänger und/oder mit einem mobilen Kommunikationsmodul eines Benutzers hinter dem Anhänger 10. The leakage cable 19 is provided on the outside at a rear end face 23 of the trailer 10. This makes possible a radio-based communication with a further trailer, not shown, and / or with a mobile communication module of a user behind the trailer 10.
Korrespondierend zur Ausrichtung und Anordnung der Leckkabel 17, 18, 19 werden Funkwellen 24, 25, 26 abgestrahlt. Corresponding to the orientation and arrangement of the leakage cables 17, 18, 19 radio waves 24, 25, 26 are emitted.

Claims

Patentansprüche claims
1. Elektronisches Bremssystem mit Kommunikationsmodul (13) zur funkbasierten Kommunikation, gekennzeichnet durch ein Leckkabel (17, 18, 19) als Antenne für das Kommunikationsmodul (13). 1. Electronic brake system with communication module (13) for radio-based communication, characterized by a leakage cable (17, 18, 19) as an antenna for the communication module (13).
2. Nutzfahrzeug mit einem Kommunikationsmodul (13) zur funkbasierten Kommunikation, gekennzeichnet durch ein Leckkabel (17, 18, 19) als Antenne für das Kommunikationsmodul (13). 2. commercial vehicle with a communication module (13) for radio-based communication, characterized by a leakage cable (17, 18, 19) as an antenna for the communication module (13).
3. Nutzfahrzeug nach Anspruch 2, dadurch gekennzeichnet, dass das Kommunikationsmodul (13) an ein elektronisches Bremssystem angeschlossen ist. 3. Utility vehicle according to claim 2, characterized in that the communication module (13) is connected to an electronic brake system.
4. Nutzfahrzeug nach Anspruch 2 oder 3, dadurch gekennzeichnet, dass das Nutzfahrzeug ein Anhänger (10) ist, und dass das Leckkabel (17, 18, 19) insbesondere im Bereich einer vorderen Stirnseite (17) und/oder einer hinteren Stirnseite (23) angeordnet ist. 4. Commercial vehicle according to claim 2 or 3, characterized in that the commercial vehicle is a trailer (10), and that the leakage cable (17, 18, 19) in particular in the region of a front end face (17) and / or a rear end face (23 ) is arranged.
5. Nutzfahrzeug nach einem der Ansprüche 2 bis 4, dadurch gekennzeichnet, dass das Leckkabel (17, 18, 19) als Antenne in wenigstens einem der nachfolgenden Bereiche vorgesehen ist: 5. Commercial vehicle according to one of claims 2 to 4, characterized in that the leakage cable (17, 18, 19) is provided as an antenna in at least one of the following areas:
a) Bodenseite (22), a) bottom side (22),
b) Stirnseite (20) eines Frachtraums, benachbart zu einer Fahrerkabine, c) vorderseitige Stirnseite (20), b) front side (20) of a cargo compartment, adjacent to a driver's cab, c) front end side (20),
d) rückseitige Stirnseite (23), d) rear end face (23),
e) Seitenwand, insbesondere an einem Übergang zu einer Stirnseite und/oder Bodenseite. e) side wall, in particular at a transition to a front side and / or bottom side.
6. Fahrzeuganordnung, bestehend aus Zugwagen (1 1 ) und mindestens zwei Anhängern (10), mit elektronischem Bremssystem und Kommunikationsmodulen zur funkbasierten Kommunikation, gekennzeichnet durch Leckkabel (17, 18, 19) als An- tennen für die Kommunikationsmodule, wobei die Leckkabel (17, 18, 19) zumindest im Bereich von Übergängen zwischen zwei Anhängern (10) vorgesehen sind. 6. Vehicle arrangement consisting of train carriage (1 1) and at least two trailers (10), with electronic brake system and communication modules for radio-based communication, characterized by leakage cable (17, 18, 19) as a for the communication modules, wherein the leakage cables (17, 18, 19) are provided at least in the region of transitions between two trailers (10).
7. Fahrzeuganordnung nach Anspruch 6, dadurch gekennzeichnet, dass ein Leckkabel (17) auch im Bereich eines Übergangs vom Zugwagen (1 1 ) zum Anhänger (10) vorgesehen ist. 7. Vehicle arrangement according to claim 6, characterized in that a leakage cable (17) is also provided in the region of a transition from the towing vehicle (1 1) to the trailer (10).
8. Verwendung von Leckkabeln (17, 18, 19) als Antennen in Nutzfahrzeugen, insbesondere für ein Kommunikationsmodul (13) in Verbindung mit einem elektronischen Bremssystem. 8. Use of leakage cables (17, 18, 19) as antennas in commercial vehicles, in particular for a communication module (13) in conjunction with an electronic brake system.
PCT/EP2017/000713 2016-08-18 2017-06-20 Electronic brake system WO2018033230A1 (en)

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DE102016010031.1 2016-08-18

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