WO2002008588A1 - Verfahren zur optimalen steuerung der kühlleistung eines motors eines kraftfahrzeugs - Google Patents
Verfahren zur optimalen steuerung der kühlleistung eines motors eines kraftfahrzeugs Download PDFInfo
- Publication number
- WO2002008588A1 WO2002008588A1 PCT/DE2001/001529 DE0101529W WO0208588A1 WO 2002008588 A1 WO2002008588 A1 WO 2002008588A1 DE 0101529 W DE0101529 W DE 0101529W WO 0208588 A1 WO0208588 A1 WO 0208588A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- engine
- temperature
- cooling capacity
- temperature sensor
- motor
- Prior art date
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 42
- 238000000034 method Methods 0.000 title claims abstract description 16
- 239000002826 coolant Substances 0.000 claims abstract description 12
- 239000003344 environmental pollutant Substances 0.000 claims description 3
- 231100000719 pollutant Toxicity 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims 1
- 239000000498 cooling water Substances 0.000 description 8
- 238000013021 overheating Methods 0.000 description 5
- 230000002349 favourable effect Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
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
- F01P3/00—Liquid cooling
- F01P3/20—Cooling circuits not specific to a single part of engine or machine
-
- 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
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B77/00—Component parts, details or accessories, not otherwise provided for
- F02B77/08—Safety, indicating, or supervising devices
- F02B77/089—Safety, indicating, or supervising devices relating to engine 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
- F01P2025/31—Cylinder 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
- F01P2025/33—Cylinder head 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
- F01P2031/00—Fail safe
- F01P2031/22—Fail safe using warning lamps
-
- 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
- F01P2037/00—Controlling
- F01P2037/02—Controlling starting
-
- 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
- F01P7/00—Controlling of coolant flow
- F01P7/02—Controlling of coolant flow the coolant being cooling-air
- F01P7/08—Controlling of coolant flow the coolant being cooling-air by cutting in or out of pumps
-
- 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
- F01P7/00—Controlling of coolant flow
- F01P7/14—Controlling of coolant flow the coolant being liquid
- F01P7/16—Controlling of coolant flow the coolant being liquid by thermostatic control
- F01P7/167—Controlling of coolant flow the coolant being liquid by thermostatic control by adjusting the pre-set temperature according to engine parameters, e.g. engine load, engine speed
Definitions
- the invention is based on a method for optimal control of the cooling capacity in an engine of a motor vehicle according to the preamble of the main claim.
- the heat generated in the engine block is essentially dissipated via the coolant.
- the coolant in particular cooling water, is circulated via a mechanical pump in order to conduct the engine heat to the radiator, where it is removed by an air stream.
- the coolant temperature is measured by a temperature sensor which is arranged in the cooling circuit and detects the instantaneous temperature of the cooling water. With increasing engine speed, the cooling water flow and thus the cooling capacity is increased.
- a controller monitors the temperature of the coolant and compares it with an allowable maximum temperature that should not be exceeded during operation. For safety reasons, the coolant flow and therefore the cooling capacity is set so that the specified limit temperature cannot be exceeded. As a rule, the engine becomes too strong during its operating time cooled and can therefore not always work in its optimal performance range.
- the method according to the invention for optimizing the control of the cooling power in an engine of a motor vehicle with the characterizing features of the main claim has the advantage that the limit value for the maximum temperature for the location of the engine is specified, which is particularly sensitive to temperature overload. On the other hand, this ensures that the less sensitive parts of the engine can be heated up quickly and selectively without being damaged.
- Location of the engine is arranged. This ensures that the individual components of the engine can be optimally designed, particularly with regard to their temperature load. A risk to the engine, for example even if the cooling water is lost, is avoided. In this way, serious engine damage with correspondingly high repair costs can advantageously be averted.
- the cylinder head of an engine is particularly sensitive to temperatures because, on the one hand, it has a very complex structure and internal stresses can lead to undesirable deformations.
- the attachment of a further temperature sensor in the area of this sensitive component therefore appears particularly favorable. Since the cylinders of the engine block also have to withstand high temperatures, the arrangement of a temperature sensor in their area also appears to be particularly favorable, for example to quickly detect overheating in the event of insufficient cooling capacity.
- an optical or acoustic signal is advantageously output in order to warn the driver in good time of impending damage.
- the power of the motor is advantageously limited if the cooling capacity is insufficient.
- control reduces the cooling output in the warm-up phase of the engine until the predetermined temperature value or temperature range is reached.
- the desired operating temperature of the engine is reached more quickly. Furthermore, this results in lower consumption, since the engine with optimal
- FIG. 1 shows a schematic representation of an engine compartment in which an engine with a cooling circuit is located.
- the figure shows a schematic representation of an engine compartment 2, in which an engine 3 of an internal combustion engine is arranged. Its waste heat is preferably dissipated to the outside via a cooling system.
- the cooling system has a cooler 4, which is arranged in the cooling air flow K and is connected to the engine 3 via cooling lines a. Water is preferably used as the cooling medium, for deep water
- the cooling water is passed in a circuit via the cooler 4 via a cooling water pump, not shown, and can be controlled by a valve 9 via a bypass b.
- the coolant pump is driven mechanically in many cases, but can alternatively also be an electric pump that is controlled according to the need for cooling capacity.
- at least one fan 5 is arranged in the area of the cooler 4 and is also controlled as a function of the temperature of at least one temperature sensor 6, 6a.
- the cooling air flow and thus also the cooling capacity can also be controlled via air flaps 1.
- a controller 7 with a corresponding memory 8 and a program located therein calculates on the basis of the data of the at least one Temperature sensors 6, 6a the control signals for the individual elements in order to influence the cooling capacity. Since the optimization of the cooling capacity depends on many operating parameters of the engine 3, for example on the speed, the load, the volume flow of the coolant, load changes, outside temperatures, etc., an optimization of the cooling temperature is very difficult. For this reason, the control or regulation of the cooling capacity is optimized according to the invention in that at least one temperature sensor 6, 6a is arranged on a temperature-sensitive component of the motor and supplies its temperature to the control 7 as an electrical signal. Optimal control of the cooling capacity is also achieved if, for example, the temperature sensor is located at a critical location on the engine block, for example in the vicinity of a cylinder or on
- Cylinder head is installed. Temperature-sensitive materials such as aluminum are very often used for the cylinder head. However, this has the disadvantage that if there is no cooling capacity, for example if the cooling water has leaked, overheating can occur very quickly. Overheating may result in high tension and distortion in the cylinder head, rendering it unusable and the engine eventually failing.
- the coolant output can be controlled and regulated until a predetermined temperature value or a temperature interval for at least one critical component is reached. This predetermined limit temperature is expediently below the temperature which could lead to permanent damage to the motor.
- the arrangement of the temperature sensors 6, 6a should therefore be selected on the corresponding component in such a way that the risk of overheating is reliably detected and displayed even when there is no coolant.
- the temperature control by the controller 7 is known per se and need not be explained in more detail. Advantageous is when, in addition to the temperature detection, further operating parameters, for example the exhaust gas emission, the speed, power and / or the consumption, are taken into account when calculating the optimal operating temperature.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2001258218A AU2001258218A1 (en) | 2000-07-22 | 2001-04-21 | Method for optimal control of the cooling capacity of a motor of an automobile |
DE10192950T DE10192950D2 (de) | 2000-07-22 | 2001-04-21 | Verfahren zur optimalen Steuerung der Kühlleistung eines Motors eines Kraftfahrzeugs |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10035770.9 | 2000-07-22 | ||
DE2000135770 DE10035770A1 (de) | 2000-07-22 | 2000-07-22 | Verfahren zur optimalen Steuerung der Kühlleistung eines Motors eines Kraftfahrzeugs |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2002008588A1 true WO2002008588A1 (de) | 2002-01-31 |
Family
ID=7649879
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE2001/001529 WO2002008588A1 (de) | 2000-07-22 | 2001-04-21 | Verfahren zur optimalen steuerung der kühlleistung eines motors eines kraftfahrzeugs |
Country Status (3)
Country | Link |
---|---|
AU (1) | AU2001258218A1 (de) |
DE (2) | DE10035770A1 (de) |
WO (1) | WO2002008588A1 (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE50309078D1 (de) | 2002-04-15 | 2008-03-13 | Bosch Gmbh Robert | Verfahren zur steuerung und/oder regelung eines kühlsystems eines kraftfahrzeugs |
DE102004034066B4 (de) * | 2004-07-15 | 2012-10-31 | Bayerische Motoren Werke Aktiengesellschaft | Vorrichtung zur Steuerung der Kühlung einer Brennkraftmaschine für Kraftfahrzeuge |
DE102010046147A1 (de) * | 2010-09-21 | 2012-03-22 | Gm Global Technology Operations Llc (N.D.Ges.D. Staates Delaware) | Kühlsystem eines Kraftfahrzeuges sowie Kraftfahrzeug |
CN105119462B (zh) * | 2015-10-15 | 2018-07-31 | 山东理工大学 | 一种应用风扇散热的电磁直线执行器 |
FR3118609B1 (fr) * | 2021-01-05 | 2024-04-12 | Valeo Systemes Thermiques | Module de refroidissement pour véhicule automobile électrique ou hybride à turbomachine tangentielle |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57193716A (en) * | 1981-05-22 | 1982-11-29 | Mazda Motor Corp | Cooler for engine |
US4399774A (en) * | 1979-07-02 | 1983-08-23 | Nissan Motor Co., Ltd. | Apparatus for controlling temperature of internal combustion engine |
US4726325A (en) * | 1986-03-28 | 1988-02-23 | Aisin Seiki Kabushki Kaisha | Cooling system controller for internal combustion engines |
EP0257343A2 (de) * | 1986-08-13 | 1988-03-02 | Bayerische Motoren Werke Aktiengesellschaft, Patentabteilung AJ-3 | Kühlmittel-Temperatur-Anzeigevorrichtung in flüssigkeitsgekühlten Brennkraftmaschinen |
EP0442489A1 (de) * | 1990-02-16 | 1991-08-21 | Nippondenso Co., Ltd. | Verfahren zum Kühlen einer Brennkraftmaschine und eine Kühlungseinrichtung dafür |
US5642717A (en) * | 1996-07-01 | 1997-07-01 | Ford Motor Company | Temperature sensing system for an internal combustion engine |
DE19717049A1 (de) * | 1996-05-06 | 1997-11-27 | Ford Global Tech Inc | Temperaturmeßanordnung für einen Verbrennungsmotor |
EP0894953A1 (de) * | 1997-08-01 | 1999-02-03 | C.R.F. Società Consortile per Azioni | Kühlanlage für eine Brennkraftmaschine eines Kraftfahrzeugs |
EP1035306A2 (de) * | 1999-03-11 | 2000-09-13 | C.R.F. Società Consortile per Azioni | Brennkraftmaschine mit getrennten Kühlkreisläufen für den Zylinderkopf und den Motorblock |
DE19938614A1 (de) * | 1999-08-14 | 2001-02-22 | Bosch Gmbh Robert | Kühlkreislauf für einen Verbrennungsmotor |
-
2000
- 2000-07-22 DE DE2000135770 patent/DE10035770A1/de not_active Withdrawn
-
2001
- 2001-04-21 DE DE10192950T patent/DE10192950D2/de not_active Ceased
- 2001-04-21 AU AU2001258218A patent/AU2001258218A1/en not_active Abandoned
- 2001-04-21 WO PCT/DE2001/001529 patent/WO2002008588A1/de active Application Filing
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4399774A (en) * | 1979-07-02 | 1983-08-23 | Nissan Motor Co., Ltd. | Apparatus for controlling temperature of internal combustion engine |
JPS57193716A (en) * | 1981-05-22 | 1982-11-29 | Mazda Motor Corp | Cooler for engine |
US4726325A (en) * | 1986-03-28 | 1988-02-23 | Aisin Seiki Kabushki Kaisha | Cooling system controller for internal combustion engines |
EP0257343A2 (de) * | 1986-08-13 | 1988-03-02 | Bayerische Motoren Werke Aktiengesellschaft, Patentabteilung AJ-3 | Kühlmittel-Temperatur-Anzeigevorrichtung in flüssigkeitsgekühlten Brennkraftmaschinen |
EP0442489A1 (de) * | 1990-02-16 | 1991-08-21 | Nippondenso Co., Ltd. | Verfahren zum Kühlen einer Brennkraftmaschine und eine Kühlungseinrichtung dafür |
DE19717049A1 (de) * | 1996-05-06 | 1997-11-27 | Ford Global Tech Inc | Temperaturmeßanordnung für einen Verbrennungsmotor |
US5642717A (en) * | 1996-07-01 | 1997-07-01 | Ford Motor Company | Temperature sensing system for an internal combustion engine |
EP0894953A1 (de) * | 1997-08-01 | 1999-02-03 | C.R.F. Società Consortile per Azioni | Kühlanlage für eine Brennkraftmaschine eines Kraftfahrzeugs |
EP1035306A2 (de) * | 1999-03-11 | 2000-09-13 | C.R.F. Società Consortile per Azioni | Brennkraftmaschine mit getrennten Kühlkreisläufen für den Zylinderkopf und den Motorblock |
DE19938614A1 (de) * | 1999-08-14 | 2001-02-22 | Bosch Gmbh Robert | Kühlkreislauf für einen Verbrennungsmotor |
Non-Patent Citations (1)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 007, no. 044 (M - 195) 22 February 1983 (1983-02-22) * |
Also Published As
Publication number | Publication date |
---|---|
AU2001258218A1 (en) | 2002-02-05 |
DE10035770A1 (de) | 2002-01-31 |
DE10192950D2 (de) | 2003-07-10 |
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