EP1773635A1 - Anordnung der elektronischen retardersteuerung (ecu) - Google Patents
Anordnung der elektronischen retardersteuerung (ecu)Info
- Publication number
- EP1773635A1 EP1773635A1 EP05754594A EP05754594A EP1773635A1 EP 1773635 A1 EP1773635 A1 EP 1773635A1 EP 05754594 A EP05754594 A EP 05754594A EP 05754594 A EP05754594 A EP 05754594A EP 1773635 A1 EP1773635 A1 EP 1773635A1
- Authority
- EP
- European Patent Office
- 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.)
- Withdrawn
Links
- 239000002826 coolant Substances 0.000 claims abstract description 16
- 239000011159 matrix material Substances 0.000 claims abstract description 14
- 238000004026 adhesive bonding Methods 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims description 2
- 238000001816 cooling Methods 0.000 description 5
- 230000001419 dependent effect Effects 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000012080 ambient air Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000005520 electrodynamics Effects 0.000 description 1
- 230000002706 hydrostatic effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
Description
Claims
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) |
| PCT/EP2005/006281 WO2006007902A1 (de) | 2004-07-17 | 2005-06-11 | Anordnung der elektronischen retardersteuerung (ecu) |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP1773635A1 true EP1773635A1 (de) | 2007-04-18 |
Family
ID=34971108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP05754594A Withdrawn EP1773635A1 (de) | 2004-07-17 | 2005-06-11 | Anordnung der elektronischen retardersteuerung (ecu) |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP1773635A1 (de) |
| DE (1) | DE102004034734A1 (de) |
| WO (1) | WO2006007902A1 (de) |
Families Citing this family (1)
| 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 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1994027845A1 (en) * | 1992-05-22 | 1994-12-08 | Scania Cv Aktiebolag | Process and control system for limiting the braking effect which may be utilised from a hydrodynamic auxiliary brake in a motor vehicle |
| DE19923022A1 (de) * | 1999-05-19 | 2000-11-30 | Voith Turbo Kg | Hydrodynamischer Retarder und Vorrichtung zur elektronischen Steuerung eines hydrodynamischen Retarders |
| DE10009959B4 (de) * | 2000-03-02 | 2005-04-28 | Voith Turbo Kg | Verfahren zum Schutz einer Antriebsmaschine vor Überhitzung und Steuer-und/oder Regelvorrichtung dafür |
-
2004
- 2004-07-17 DE DE200410034734 patent/DE102004034734A1/de not_active Withdrawn
-
2005
- 2005-06-11 WO PCT/EP2005/006281 patent/WO2006007902A1/de not_active Ceased
- 2005-06-11 EP EP05754594A patent/EP1773635A1/de not_active Withdrawn
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2006007902A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102004034734A1 (de) | 2006-02-16 |
| WO2006007902A1 (de) | 2006-01-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
| 17P | Request for examination filed |
Effective date: 20070112 |
|
| AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR |
|
| RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: SCHMIDTNER, PETER Inventor name: SCHOELLHORN, ROLAND Inventor name: SAUTER, FRANK |
|
| DAX | Request for extension of the european patent (deleted) | ||
| 17Q | First examination report despatched |
Effective date: 20070926 |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
| 18D | Application deemed to be withdrawn |
Effective date: 20090623 |