WO2006007902A1 - Agencement d'une commande de ralentisseur electronique (ecu) - Google Patents

Agencement d'une commande de ralentisseur electronique (ecu) Download PDF

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Publication number
WO2006007902A1
WO2006007902A1 PCT/EP2005/006281 EP2005006281W WO2006007902A1 WO 2006007902 A1 WO2006007902 A1 WO 2006007902A1 EP 2005006281 W EP2005006281 W EP 2005006281W WO 2006007902 A1 WO2006007902 A1 WO 2006007902A1
Authority
WO
WIPO (PCT)
Prior art keywords
electronic
retarder
ecu
arrangement
retardersteuerung
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.)
Ceased
Application number
PCT/EP2005/006281
Other languages
German (de)
English (en)
Inventor
Frank Sauter
Peter Schmidtner
Roland Schöllhorn
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 Friedrichshafen AG
Original Assignee
ZF Friedrichshafen AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ZF Friedrichshafen AG filed Critical ZF Friedrichshafen AG
Priority to EP05754594A priority Critical patent/EP1773635A1/fr
Publication of WO2006007902A1 publication Critical patent/WO2006007902A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • B60T10/00—Control or regulation for continuous braking making use of fluid or powdered medium, e.g. for use when descending a long slope
    • B60T10/02—Control or regulation for continuous braking making use of fluid or powdered medium, e.g. for use when descending a long slope with hydrodynamic brake

Definitions

  • ECU electronic retarder control
  • the present invention relates to an arrangement of the electronic retarder control for a vehicle with a retarder according to the Oberbe ⁇ handle of claim 1.
  • Such wear-free, additional delay devices in the form of retarders and engine brakes can be used to keep the vehicle speed constant in the fall.
  • the retarders are counted in addition to hydrodynamic, hydrostatic or electrodynamic brake devices arranged on the transmission, as well as systems which are provided in the form of an "Intarder" within the gearbox housing.
  • Retarders are mainly used in commercial vehicles, for example, when braking from high Fahrge ⁇ speed absorb kinetic braking energy and convert it into heat, but are also well suited for required sustained braking, for example, long-term downhill.
  • retarder controls are also known, which are integrated in the vehicle management system, as described, for example, in US Pat. from WO 94/27845 or EP 0953489 A2.
  • a device for the electronic control of a retarder which has a first electronic control unit for the vehicle management and the retarder, which is arranged in a predetermined position in the vehicle away from the retarder, and a second electronic control unit and / or comprises a property memory for the re tarder, in which the second electronic control unit and / or the property memory for the retarder is arranged directly on the housing of the retarder and connected via at least one signal line to the electronic control unit or an interface for vehicle management ,
  • individual adjustment of the retarder control to the respective retarder is possible, which also takes into account, for example, the hydrodynamic tolerances for a hydrodynamic retarder.
  • the ECU does not have to be reprogrammed during a retarder replacement since the changes are entered into the second electronic control unit.
  • a disadvantage is the tuning effort between the two control units and the required wiring.
  • DE 43 10898 C1 discloses a hydrodynamic retarder in which the retarder control is arranged in a housing, which is integrated into the collecting box for the water inlet of the heat exchanger, whereby a compact design is achieved without the heat sensitive components of the retarder control are exposed to high temperatures are.
  • This arrangement of Retardersteuzur réelle has the disadvantage that it is relatively exposed, which can lead to damage.
  • the retarder control is exposed to strong vibrations and the distance to the actuator and sensor, which is usually provided in or on the retarder, is larger. Furthermore, the entire coolant flow is used for cooling.
  • a hydrodynamic retarder and a device for the electronic control of a hydrodynamic retarder are known from EP 1 053923 B1, the device for the electronic control of the retarder being arranged in the retarder housing.
  • This integration of the controller in the retarder housing, preferably in the oil sump, proposed within the scope of EP 1 053 923 B1 requires more effort with respect to the sealing and the cable feedthrough to the outside. In this case, the required cable bushings through the retarder housing make the sealing of the retarder housing more difficult and more expensive and increase the risk of leakage.
  • the integration of the electronics in the retarder housing increases the complexity of the housing, which results in a higher production outlay.
  • the electronics are permanently maintained at the temperature of the oil, the temperature level in the future, by raising the average coolant temperatures in the cooling circuit due to the emission and consumption optimization of the engines will increase.
  • the electronics are heavily loaded by temperature peaks in the oil sump after switching off the retarder. Another problem could occur when replacing the electronics, since in this case the oil drained and the retarder must be opened, which makes disassembly or repair difficult.
  • Solutions for arranging the retarder control are also known, in which the electronic retarder control is arranged in a protected box on the vehicle / vehicle frame. In the case of buses, the electronic retarder control is often accommodated in a separate part of the luggage storage compartments according to the state of the art, these solutions necessitating a high cabling expenditure in a disadvantageous manner.
  • the present invention has for its object to provide an arrangement of the electronic retarder control (ECU) in a motor vehicle with a retarder, which allows very short connection paths to the actuators and sensors. Furthermore, the arrangement should enable easy repair / disassembly of the electronics and ensure clear pairing of the electronics with the retarder, such that the control on the load test stand can be tuned to the retarder.
  • ECU electronic retarder control
  • ECU electronic retarder control unit
  • the electronic retarder control is accommodated in a separate, sealed housing and fastened on a passage of the heat exchanger matrix through which coolant flows, wherein the fastening can be effected by screwing, gluing, welding, clamping and other suitable measures.
  • the mounting position on a coolant-flowed passage of the heat exchanger matrix is freely selectable. In this case, the arrangement is not dependent on the coolant inlet or outlet since the cover plate of the heat exchanger matrix is backwashed over a large area with coolant and thus advantageously ensures a constant temperature level for the electronic retarder control.
  • the housing has two separate plugs, one of the plugs for the wiring to the retarder or for the sensors and actuators and the other plug for the cabling to the vehicle (supply, data bus, etc .) is provided.
  • the concept according to the invention achieves a clear pairing of the electronics with the retarder, since the setting of the electronic retarder control can take place on the load test stand. Compared to the prior art, a possible repair / disassembly of the electronics can be carried out with little effort, since, for example, no opening of the retarder housing is required. Furthermore, the arrangement of the electronic retarder control according to the invention is suitable for any type of retarder.
  • the primary cooling of the electronic retarder control takes place in the inventive arrangement through the heat exchanger matrix; An additional secondary cooling takes place through the ambient air or through the drive wind.
  • FIGURE is a schematic representation of an embodiment of the proposed arrangement of the electronic retarder control.
  • the FIGURE shows an electronic retarder control unit (ECU) 1, which according to the invention is arranged on a passage 3, through which coolant flows, of the heat exchanger matrix 5 of the retarder.
  • ECU electronic retarder control unit
  • the hot oil passage 4 is shielded by the coolant passage 3.
  • the heat exchanger matrix is located between the electronic retarder control 1 and the cover plate 2 5 a blaze ⁇ conductive connection provided.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Transmission Of Braking Force In Braking Systems (AREA)
  • Braking Arrangements (AREA)

Abstract

L'invention concerne l'agencement d'une commande de ralentisseur électronique (ECU) dans un véhicule automobile pourvu d'un ralentisseur. Selon l'invention, la commande de ralentisseur électronique (ECU) (1) est disposée sur un passage (3), traversé par un flux d'agent de refroidissement, de la matrice d'échange thermique (5) du ralentisseur.
PCT/EP2005/006281 2004-07-17 2005-06-11 Agencement d'une commande de ralentisseur electronique (ecu) Ceased WO2006007902A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP05754594A EP1773635A1 (fr) 2004-07-17 2005-06-11 Agencement d'une commande de ralentisseur electronique (ecu)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200410034734 DE102004034734A1 (de) 2004-07-17 2004-07-17 Anordnung der elektronischen Retardersteuerung (ECU)
DE102004034734.4 2004-07-17

Publications (1)

Publication Number Publication Date
WO2006007902A1 true WO2006007902A1 (fr) 2006-01-26

Family

ID=34971108

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2005/006281 Ceased WO2006007902A1 (fr) 2004-07-17 2005-06-11 Agencement d'une commande de ralentisseur electronique (ecu)

Country Status (3)

Country Link
EP (1) EP1773635A1 (fr)
DE (1) DE102004034734A1 (fr)
WO (1) WO2006007902A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009050512B3 (de) * 2009-10-23 2011-05-05 Voith Patent Gmbh Schalt- und Steuergerät sowie Antriebsstrang einer hydrodynamischen Maschine

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994027845A1 (fr) * 1992-05-22 1994-12-08 Scania Cv Aktiebolag Procede et systeme de regulation servant a limiter l'effet de freinage produit par un frein auxiliaire hydrodynamique dans un vehicule a moteur
DE10009959A1 (de) * 2000-03-02 2000-08-31 Voith Turbo Kg Verfahren zur Verbesserung der Verfügbarkeit einer Antriebsmaschine und Steuer- und/oder Regelvorrichtung
EP1053923B1 (fr) * 1999-05-19 2003-12-10 Voith Turbo GmbH & Co. KG Ralentisseur hydrodynamique et dispositif de commande électronique d'un ralentisseur hydrodynamique

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994027845A1 (fr) * 1992-05-22 1994-12-08 Scania Cv Aktiebolag Procede et systeme de regulation servant a limiter l'effet de freinage produit par un frein auxiliaire hydrodynamique dans un vehicule a moteur
EP1053923B1 (fr) * 1999-05-19 2003-12-10 Voith Turbo GmbH & Co. KG Ralentisseur hydrodynamique et dispositif de commande électronique d'un ralentisseur hydrodynamique
DE10009959A1 (de) * 2000-03-02 2000-08-31 Voith Turbo Kg Verfahren zur Verbesserung der Verfügbarkeit einer Antriebsmaschine und Steuer- und/oder Regelvorrichtung

Also Published As

Publication number Publication date
DE102004034734A1 (de) 2006-02-16
EP1773635A1 (fr) 2007-04-18

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