EP1260686A2 - Temperaturerfassungseinrichtung für eine Brennkraftmaschine - Google Patents
Temperaturerfassungseinrichtung für eine Brennkraftmaschine Download PDFInfo
- Publication number
- EP1260686A2 EP1260686A2 EP02007544A EP02007544A EP1260686A2 EP 1260686 A2 EP1260686 A2 EP 1260686A2 EP 02007544 A EP02007544 A EP 02007544A EP 02007544 A EP02007544 A EP 02007544A EP 1260686 A2 EP1260686 A2 EP 1260686A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- detection device
- temperature detection
- sensor element
- support structure
- engine
- 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.)
- Granted
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
- F01P11/14—Indicating devices; Other safety devices
- F01P11/16—Indicating devices; Other safety devices concerning coolant temperature
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P2025/00—Measuring
- F01P2025/08—Temperature
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P2025/00—Measuring
- F01P2025/08—Temperature
- F01P2025/13—Ambient temperature
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P2025/00—Measuring
- F01P2025/08—Temperature
- F01P2025/50—Temperature using two or more temperature sensors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P5/00—Pumping cooling-air or liquid coolants
- F01P5/02—Pumping cooling-air; Arrangements of cooling-air pumps, e.g. fans or blowers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/02—Input parameters for engine control the parameters being related to the engine
- F02D2200/04—Engine intake system parameters
- F02D2200/0414—Air temperature
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/22—Safety or indicating devices for abnormal conditions
- F02D41/222—Safety or indicating devices for abnormal conditions relating to the failure of sensors or parameter detection devices
Definitions
- the invention relates to a temperature detection device for a Internal combustion engine.
- Conventional temperature sensing devices typically include Sensor elements based on thermodynamic measuring principles such as for example temperature-related volume change of a fluid, or on Basis of electrical effects such as changes in a Line resistance, allow temperature detection.
- This Sensor elements are attached via electrical lines or thin pipes a central detection device connected.
- Sensor elements for detection the engine temperature can be arranged in the area of a cylinder head.
- Sensor elements for detecting the oil temperature are preferably in one, Provided downstream of an oil pump line section.
- Sensor elements for detecting the temperature of the engine intake air can be in an intake tract of the engine arranged before or after a filter device become.
- the invention has for its object a temperature detection device to create by which at least two in the operation of one Internal combustion engine temperature values taken into account in an advantageous manner can be recorded in a favorable manner.
- a Temperature detection device for an internal combustion engine with a Support structure a Temperature detection device for an internal combustion engine with a Support structure, a first recorded on the support structure Sensor element, a second received on the support structure Sensor element, an engine air guide device for supplying an engine intake air flow to the first sensor element and a cooler air guidance device for supplying one through an engine cooler passed cooler airflow to the second sensor element, wherein the Support structure is arranged in an area in which the two air flows run adjacent to each other.
- the temperatures of the two air flows centrally to capture, the measurement signals obtained under reduced Cabling effort in a wiring harness system provided on the vehicle can be coupled.
- the functioning of the two sensors before starting the engine check against each other and if necessary a joint calibration of the two Sensors. Because of the close proximity of the two sensor elements is a particularly meaningful comparison of the recorded Temperature values possible. Since in the operation of the internal combustion engine by the second sensor element temperature not recorded below the temperature of the Intake air may be a particularly reliable function test of the Temperature detection device possible.
- the two sensor elements are preferably one via the support structure Unit summarized. This results in particular under assembly technology advantages.
- the two sensor elements are according to a special aspect of the present invention on a common wiring with a connected wiring harness provided on the vehicle.
- the two of them Cabling assigned to sensor elements can be done via a common Connector structure to be connected to the vehicle wiring harness.
- the connector structure is advantageously integral with the support structure educated.
- the carrier structure is preferably made of a plastic material manufactured and forms a partition, which at least before the two air flows whose slipping separates the sensor elements from each other.
- the support structure preferably integrally formed with an air guide member.
- This Air guiding member is preferably an engine intake air duct.
- the carrier structure into one To integrate fan suspension or a water box of a vehicle cooler.
- the two sensor elements are preferably adjacent to one another arranged. This results in a particularly compact structure.
- the carrier structure is advantageously arranged in an area in which one Pipe installation of an engine intake air system on a radiator fan is passed.
- the engine intake air system is preferably in this area coupled to an engine cooler or a radiator fan device.
- Figure 1 shows a simplified sectional view of a Temperature detection device 1 with a first sensor element 2 and second sensor element 3, the first sensor element 2 for detecting the Temperature of an engine intake air flow V1 is provided and the second Sensor element 3 for detecting the temperature of an engine cooler (Fig.2 Reference numeral 9) flowing cooler air flow V2 is provided.
- the first sensor element 2 and the second sensor element 3 are on one common support structure 4 arranged here from a plastic material is manufactured and on a fastening device 5a, 5b Air guiding device 5c can be attached, which is from the engine intake air flow V1 is flowed through.
- the two sensor elements 2, 3 are PTC sensors formed, the connecting cable 6 via a Connector device with a cable branch provided on the vehicle are connectable.
- This connector device is preferably integral with the support structure 4 is formed
- An air guiding device 8 is also provided for the second sensor element 3 through which a partial flow V2'des from a cooler or vehicle heat exchanger outflowing and intensely heated by the engine cooling water flow V2 is guided over the second sensor element 3.
- the support structure 4 of the temperature detection device 1 comprises the latter Embodiment a base body 9 made of a plastic material through which also a sufficient thermal separation of the two Sensor elements 2, 3 is reached.
- the central, by the temperature detection device 1 described generated measured values for the temperature of the engine intake air and the The temperature of the heated air flowing out of the engine cooler can exceed a single connector of a control device, in particular one electronic engine management system for OBD-relevant execution Functions are fed.
- the temperature detection device can also be part automatic climate control (AOC sensor).
- the generated by the first sensor element 2 with respect to the temperature of the Engine intake air flow indicative measurement signals as well as those via the second Sensor element 3 detected, with respect to the temperature of the engine cooler outflowing air indicative signals can be used to optimize the operation of the Internal combustion engine and used to monitor the same.
- Fig.2 is shown in the form of a schematic diagram, in which way Temperature detection device 1 according to the invention in a motor vehicle can be arranged.
- Temperature detection device 1 according to the invention in a motor vehicle can be arranged.
- Air guiding device 10 guiding engine intake air flow V1 is so close to a place overflowed by a cooler air flow V2 that the Temperatures of the engine air and that passed through the radiator 9 - and here warmed - air can be captured essentially centrally.
- the Connector device 11 comprises a coupling section which is integral with the air guide device 10 is formed.
- the air guiding device 10 is furthermore provided with a suspension device 12 a radiator fan 13 connected.
- This suspension device 12 in turn is coupled to the cooler 9.
- the exemplary embodiment described is the sensor device 1 on one Structural component of the air guide device 10 attached.
- the invention is not limited to such an embodiment.
- the temperature detection device 1 for the combined detection of Engine intake air and the air heated by a cooler 9 at one of the Blower device 13 or the structural component assigned to the cooler 9 itself to install.
- the temperature detection device according to the invention 1 further system parameters such as the cooling water temperature in the Detect cooler 9.
- a temperature detection device 1 is preferably formed on a structural component assigned to the cooler 9.
- the solution according to the invention makes it possible for the vehicle radiator to Blower device with its suspension device and the in Components of the engine intake air guiding device located in the front of the vehicle 10 as one, with the required Sensor devices equipped, pre-assembled unit to form the Assembled in an automated assembly process in an advantageous manner can be. It is possible to use the connector plug device 11 in this way to train them in the course of using the above-mentioned unit in the vehicle automatically with the vehicle provided Connection components engaged.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
Description
- Fig. 1
- eine Schemadarstellung zur Erläuterung eines bevorzugten Grundaufbaues einer erfindungsgemäßen Temperaturerfassungseinrichtung;
- Fig. 2
- eine Skizze zur Erläuterung einer bevorzugten Einbauposition der erfindungsgemäßen Temperaturerfassungseinrichtung.
Claims (15)
- Temperaturerfassungseinrichtung für eine Brennkraftmaschine mit einer Trägerstruktur (4), einem an der Trägerstruktur (4) aufgenommenen ersten Sensorelement (2), einem an der Trägerstruktur (4) aufgenommenen zweiten Sensorelement (3), einer Einrichtung zur Zuleitung zumindest eines Teilstromes (V1') eines Motoransaugluftstromes (V1) zu dem ersten Sensorelement (2) und einer Einrichtung zur Zuleitung zumindest eines Teilstromes (V2')eines durch einen Motorkühler (9) hindurchgetretenen Kühler-Luftstromes (V2) zu dem zweiten Sensorelement (3), wobei die Trägerstruktur (4) in einem Bereich angeordnet ist, in welchem die beiden Luftströme (V1, V2) zueinander benachbart verlaufen.
- Temperaturerfassungseinrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die beiden Sensorelemente (2, 3) über die Trägerstruktur zu einer Baueinheit zusammengefasst sind.
- Temperaturerfassungseinrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die beiden Sensorelemente (2, 3) über eine gemeinsame Verkabelung mit einem fahrzeugseitig vorgesehenen Kabelbaumast verbunden sind.
- Temperaturerfassungseinrichtung nach Anspruch 3, dadurch gekennzeichnet, dass jene den beiden Sensorelementen zugeordnete Verkabelung über eine gemeinsame Anschlusssteckerstruktur (11) mit dem fahrzeugseitigen Kabelbaumast verbunden ist.
- Temperaturerfassungseinrichtung nach wenigstens einem der Ansprüche 1 bis 4 dadurch gekennzeichnet, dass die Anschlusssteckerstruktur (11) integral mit der Trägerstruktur (4) ausgebildet ist.
- Temperaturerfassungseinrichtung nach wenigstens einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass die Trägerstruktur (4) aus einem Kunststoffmaterial gefertigt ist.
- Temperaturerfassungseinrichtung nach wenigstens einem der Ansprüche 1 bis 6 dadurch gekennzeichnet, dass die Trägerstruktur (4) eine Trennwand bildet, welche die beiden Luftströme (V1', V2') zumindest vor deren Überstreifen der Sensorelemente (2, 3) voneinander trennt.
- Temperaturerfassungseinrichtung nach wenigstens einem der Ansprüche 1 bis 7 dadurch gekennzeichnet, dass die Trägerstruktur (4) integral mit einem Luftführungsorgan ausgebildet ist.
- Temperaturerfassungseinrichtung nach wenigstens einem der Ansprüche 1 bis 8 dadurch gekennzeichnet, dass die Trägerstruktur (4) integral mit einer Motoransaugluftführung ausgebildet ist.
- Temperaturerfassungseinrichtung nach wenigstens einem der Ansprüche 1 bis 9 dadurch gekennzeichnet, dass die Trägerstruktur (4) in eine Gebläseaufhängung (12) integriert ist.
- Temperaturerfassungseinrichtung nach wenigstens einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, dass die Trägerstruktur (4) an einem Kühlerwasserkasten vorgesehen ist.
- Temperaturerfassungseinrichtung nach wenigstens einem der Ansprüche 1 bis 11 dadurch gekennzeichnet, dass die Sensorelemente (2, 3) zueinander benachbart angeordnet sind.
- Temperaturerfassungseinrichtung nach wenigstens einem der Ansprüche 1 bis 12 dadurch gekennzeichnet, dass die Trägerstruktur (4) in einem Bereich angeordnet ist, in welchem eine Leitungseinrichtung zur Führung eines Motor-Ansaugluftstromes (V1) an einem Kühlergebläse (13) vorbeigeführt ist.
- Temperaturerfassungseinrichtung nach Anspruch 13 dadurch gekennzeichnet, dass in dem genannten Bereich die Leitungseinrichtung mit dem Motorkühler (9) oder einem Teil der des Kühlergebläses (13) gekoppelt ist.
- Temperaturerfassungseinrichtung nach wenigstens einem der Ansprüche 1 bis 14, dadurch gekennzeichnet, dass ein weiteres Sensorelement vorgesehen ist, zur Erfassung der Kühlwassertemperatur, und dass dieses Sensorelement ebenfalls über die gemeinsame Verkabelung an den fahrzeugseitigen Kabelbaum angeschlossen ist.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10124852A DE10124852A1 (de) | 2001-05-22 | 2001-05-22 | Temperaturerfassungseinrichtung für eine Brennkraftmaschine |
| DE10124852 | 2001-05-22 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP1260686A2 true EP1260686A2 (de) | 2002-11-27 |
| EP1260686A3 EP1260686A3 (de) | 2004-12-01 |
| EP1260686B1 EP1260686B1 (de) | 2008-08-13 |
Family
ID=7685673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP02007544A Expired - Lifetime EP1260686B1 (de) | 2001-05-22 | 2002-04-03 | Temperaturerfassungseinrichtung für eine Brennkraftmaschine |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US6644850B2 (de) |
| EP (1) | EP1260686B1 (de) |
| DE (2) | DE10124852A1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100570325B1 (ko) * | 2004-01-07 | 2006-04-11 | 주식회사 케피코 | 자동변속기의 유온센서 단락, 단선결함 검출방법 |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2531015C2 (de) | 1975-07-11 | 1991-11-14 | Robert Bosch Gmbh, 7000 Stuttgart | Einrichtung zur Regulierung der Beheizung eines Kraftfahrzeuges |
| US3968689A (en) * | 1975-06-30 | 1976-07-13 | Fuel Injection Development Corporation | Mounting thermocouples in internal combustion engines |
| JPS5256214A (en) * | 1975-11-01 | 1977-05-09 | Nippon Soken Inc | Air intake capacity detector for internal combustion engine |
| US4085613A (en) * | 1977-03-07 | 1978-04-25 | Richard Joseph D | Thermal energy flowmeter |
| IT1179713B (it) | 1984-06-08 | 1987-09-16 | Gilardini Spa | Sistema per il controllo automatico della temperatura dell aria inviata nell abitacolo di veicoli a motori endotermico |
| DE3738033A1 (de) | 1987-11-09 | 1989-05-18 | Bosch Siemens Hausgeraete | Vorrichtung zur ueberwachung fuer einen haushalt-waeschetrockner |
| DE3903199C1 (de) * | 1989-02-03 | 1990-04-05 | Sueddeutsche Kuehlerfabrik Julius Fr. Behr Gmbh & Co Kg, 7000 Stuttgart, De | |
| US5369990A (en) * | 1993-04-08 | 1994-12-06 | Ford Motor Company | Remote mount air flow sensor |
| DE4337272A1 (de) | 1993-11-02 | 1995-05-04 | Bayerische Motoren Werke Ag | Verfahren zur Temperaturbestimmung eines Objekts |
| GB9422452D0 (en) * | 1994-11-07 | 1995-01-04 | British Gas Plc | Heat metering |
| US5941927A (en) * | 1997-09-17 | 1999-08-24 | Robert Bosch Gmbh | Method and apparatus for determining the gas temperature in an internal combustion engine |
| JP3381594B2 (ja) * | 1997-12-22 | 2003-03-04 | 株式会社デンソー | 自動車用冷却システムに用いられる電動ファン装置 |
| DE19954177A1 (de) | 1999-11-10 | 2001-05-23 | Bosch Gmbh Robert | Verfahren zur Prüfung der Funktionsfähigkeit und/oder zum Abgleichen eines Abgastemperatursensors |
-
2001
- 2001-05-22 DE DE10124852A patent/DE10124852A1/de not_active Withdrawn
-
2002
- 2002-04-03 EP EP02007544A patent/EP1260686B1/de not_active Expired - Lifetime
- 2002-04-03 DE DE50212624T patent/DE50212624D1/de not_active Expired - Lifetime
- 2002-05-21 US US10/151,024 patent/US6644850B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| US6644850B2 (en) | 2003-11-11 |
| DE10124852A1 (de) | 2002-12-05 |
| EP1260686A3 (de) | 2004-12-01 |
| US20020177937A1 (en) | 2002-11-28 |
| EP1260686B1 (de) | 2008-08-13 |
| DE50212624D1 (de) | 2008-09-25 |
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