WO1993014560A1 - Verfahren und vorrichtung zum betreiben eines an einer brennkraftmaschine angeordneten nebenaggregateantriebes - Google Patents
Verfahren und vorrichtung zum betreiben eines an einer brennkraftmaschine angeordneten nebenaggregateantriebes Download PDFInfo
- Publication number
- WO1993014560A1 WO1993014560A1 PCT/EP1992/002837 EP9202837W WO9314560A1 WO 1993014560 A1 WO1993014560 A1 WO 1993014560A1 EP 9202837 W EP9202837 W EP 9202837W WO 9314560 A1 WO9314560 A1 WO 9314560A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- speed
- water pump
- combustion engine
- drive
- alternator
- Prior art date
Links
Classifications
-
- 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
- F02B67/00—Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for
- F02B67/04—Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for of mechanically-driven auxiliary apparatus
-
- 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
- F01P5/10—Pumping liquid coolant; Arrangements of coolant pumps
- F01P5/12—Pump-driving arrangements
-
- 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
- F01P7/164—Controlling of coolant flow the coolant being liquid by thermostatic control by varying pump speed
-
- 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
- F01P2025/60—Operating parameters
- F01P2025/62—Load
Definitions
- the invention relates to a method and an apparatus for performing the method according to the preamble of claim 1.
- a time-controlled excitation current is fed to the three-phase generator.
- the excitation current is switched on or off by a controller at predetermined time intervals in such a way that a specific, first average excitation current is set at a constant on-board voltage.
- the controller changes the clock signal in such a way that the switched-off time components increase and a second, middle excitation current is set, which is lower than the first.
- DE-PS 3124102 discloses a consumer current-dependent switchover between a higher and a lower drive speed of an alternator.
- the transmission upstream of the alternator has a clutch actuated by a control device which performs the speed changeover in such a way that the higher drive speed is only maintained when a low engine speed and at the same time a high current requirement is present at the alternator.
- the Current demand is fed to a controller for the excitation current, which in turn is fed to the control device.
- a planetary gear is arranged coaxially on a crankshaft stub, the sun wheel of which is provided with an electromagnetically lockable clutch disc and the gear wheel drives auxiliary units.
- the sun gear is free, all auxiliary units are driven at a low speed, with a fixed sun gear the output speed of the ring gear increases, so that all auxiliary units are driven at a common, higher speed.
- the clutch disc is switched depending on several parameters, e.g. of the battery charging current or the cooling water temperature of the internal combustion engine.
- the invention has for its object to provide a method for operating an auxiliary unit drive of an internal combustion engine, which enables demand-controlled drive of individual auxiliary units.
- This method advantageously enables a demand-controlled drive of individual auxiliary units, such as, for example, by engaging the excitation current supplied to the three-phase generator (alternator) in combination with a differential gear arranged between the internal combustion engine and the auxiliary units. a water pump.
- the power delivered by the internal combustion engine to the differential gear at a constant speed can be assumed to be constant and is distributed to these units in an initially constant torque ratio depending on the gearbox design.
- the necessary The drive torque of the water pump can be assumed to be constant, while that of the alternator depends on the excitation current.
- the controller When the internal combustion engine is cold started, the controller is e.g. a cooling water-dependent temperature-dependent signal is supplied, which changes the clocking of the light excitation current. With a cold internal combustion engine, little or no cooling water throughput is desired.
- the on-board voltage induced in the alternator depends directly on the excitation current and the drive speed of the alternator. If the excitation current falls and the drive torque of the alternator is reduced by a certain amount, the differential speed increases the drive speed and thereby keeps the on-board voltage constant.
- a high gear ratio with respect to the alternator can be achieved, so that the electrical requirement e.g. is covered even at idle speed.
- the alternator can thus be operated in a favorable efficiency range of its map.
- the second auxiliary unit for example a water pump.
- the power consumption is based on the cooling water throughput of the internal combustion engine at full load and maximum speed. At partial load or at low engine speeds, the cooling requirement of the internal combustion engine drops to up to a third of the maximum cooling capacity.
- the inventive method enables a demand-controlled drive of the water pump, in which the differential gear lowers the drive speed of the water pump at low cooling water temperature and increases the increased cooling demand accordingly when the internal combustion engine is heated.
- the load or cooling water temperature-dependent signal is supplied only when the temperature falls below a predetermined limit for the cooling water temperature. If the current coolant temperature is below the limit value, the clocking of the excitation current is changed so that this excitation current drops. As a result, the drive torque of the alternator drops and its speed increases, the speed of the water pump decreases.
- the output of the planetary gear unit and the water pump can be between "a FeststenVorraum be arranged, which shuts down the water pump with a cold start. In this way, the rotation speed increases of the alternator.
- the cooling performance can additionally between one-third and zero to the maximum Cooling capacity can be regulated.
- FIG. 1 schematically shows an auxiliary unit drive on an internal combustion engine with auxiliary units
- FIG. 2 shows a top view of the drive according to FIG. 1.
- an auxiliary unit drive driven by a crankshaft 1 is arranged at the end of an internal combustion engine, not shown.
- the crankshaft 1 is connected to a planet carrier 2 of a differential gear designed as a planetary gear 3.
- a first output 5 designed as a ring gear 4 drives a three-phase generator 7 acting as an alternator by means of a belt drive 6.
- a second output 9 acting as a sun gear 8 is connected to a water pump 11 by means of a further U-loop transmission 10.
- a belt 12 of the transmission 10 wraps around a disk 13 of the water pump 11, an electromagnetic clutch 15 acting as a locking device being arranged between this disk 13 and a shaft 14 of the water pump 11.
- a control unit 20 processes the speed NL of the generator 7, the speed n of the internal combustion engine, a load-dependent signal SL and a cooling-water temperature-dependent signal ST.
- a lower limit GT for the signal ST is stored in the control unit 20.
- the clutch 15 is switched on or off by the control unit 20 as required, via a line 21.
- a controller 22 for an excitation current IE supplied to the generator 7 is supplied with a clock signal TN as a function of the speed NL and a clock signal TS as a function of the signals SL and ST.
- the excitation current IE is clocked in a known manner as a function of the generator speed NL via the signal TN.
- the total power PG transmitted from the internal combustion engine into the differential is divided into a drive torque ML with the speed NL supplied to the generator 7 and a drive torque MW supplied with the water pump 11 with a speed NW according to the number of teeth of the planetary gear 3.
- the belt transmission 6 has a transmission ratio of one to two point five (1: 2.5), that of the transmission 10 is one to one (1: 1).
- the torque ratio ML / MW depends on the characteristic diagrams of the auxiliary units in which the power is plotted against the drive speed and can be assumed, for example, to be four.
- the clock signal TS overlaps the clock signal TN and the excitation current IE directly regulates the drive torque ML as required and indirectly via the planetary gear 3 the speed NW of the water pump 11.
- a change in the alternator speed LM by e.g. 1000 1 / min results in a change in the speed of the ring gear 4 of 400 1 / min due to the transmission ratio of the belt operation 6 of 1: 2.5.
- the water pump speed NW changes by 1600 1 / min.
- the value can be reduced by a certain amount if the limit value GT is undershot Water pump 11 are braked by means of the clutch 15.
- the speed NL increases and the excitation current IE is further reduced to keep the on-board voltage ÜB constant.
- the cooling capacity can additionally be regulated in the range from zero to approximately 0.3 of the full-load cooling capacity.
- the load signal SL which e.g. Depends directly on the throttle valve position on the internal combustion engine, only has an influence on the controller 22 as long as ST is below the limit value GT.
- crankshaft 1 can e.g. be connected to the sun gear 8 and the water pump 11 to the planet carrier 2.
- a second transmission gear can be arranged between the crankshaft 1 and the differential gear.
- additional auxiliary units such as a secondary air pump required during a cold start can be installed in the auxiliary drive.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5512096A JPH06506582A (ja) | 1992-01-16 | 1992-12-08 | 内燃機関に配置されている二次ユニット駆動装置を運転する方法及び装置 |
DE59205774T DE59205774D1 (de) | 1992-01-16 | 1992-12-08 | Verfahren und vorrichtung zum betreiben eines an einer brennkraftmaschine angeordneten nebenaggregateantriebes |
EP92924692A EP0576639B1 (de) | 1992-01-16 | 1992-12-08 | Verfahren und vorrichtung zum betreiben eines an einer brennkraftmaschine angeordneten nebenaggregateantriebes |
US08/119,120 US5429082A (en) | 1992-01-16 | 1992-12-08 | Method and an arrangement for operating a drive for auxiliary devices arranged on an internal-combustion engine |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4200918A DE4200918C1 (de) | 1992-01-16 | 1992-01-16 | |
DEP4200918.9 | 1992-01-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1993014560A1 true WO1993014560A1 (de) | 1993-07-22 |
Family
ID=6449582
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP1992/002837 WO1993014560A1 (de) | 1992-01-16 | 1992-12-08 | Verfahren und vorrichtung zum betreiben eines an einer brennkraftmaschine angeordneten nebenaggregateantriebes |
Country Status (5)
Country | Link |
---|---|
US (1) | US5429082A (de) |
EP (1) | EP0576639B1 (de) |
JP (1) | JPH06506582A (de) |
DE (2) | DE4200918C1 (de) |
WO (1) | WO1993014560A1 (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2752016B1 (fr) * | 1996-07-31 | 1998-09-11 | Renault | Dispositif de refroidissement d'un moteur a combustion interne |
JP4000863B2 (ja) * | 2002-02-15 | 2007-10-31 | 株式会社デンソー | 車両用発電システム |
US8475317B2 (en) | 2011-08-03 | 2013-07-02 | Ford Global Technologies, Llc | Vehicle accessory drive system |
US20150083069A1 (en) * | 2013-09-26 | 2015-03-26 | Steven H. Horn | Chain drive assembly |
DE102015005344A1 (de) | 2015-04-28 | 2016-11-03 | Volkswagen Aktiengesellschaft | Nebenaggregatsantriebsvorrichtung |
DE102016201229A1 (de) | 2016-01-28 | 2017-08-03 | Schaeffler Technologies AG & Co. KG | Antriebsanordnung sowie Verfahren zum Betreiben der Antriebsanordnung |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2732279A1 (de) * | 1977-07-16 | 1979-02-01 | Daimler Benz Ag | Regelbarer antrieb fuer die nebenaggregate von brennkraftmaschinen, insbesondere von kraftfahrzeug-brennkraftmaschinen |
DE3124102A1 (de) * | 1980-06-19 | 1982-02-25 | Societé pour L'Equipement de Vehicules, 92132 Issy-Les-Moulineaux | "verfahren und vorrichtung zur steuerung des antriebs eines wechselstromgenerators" |
DE2213303C2 (de) * | 1972-03-18 | 1985-12-12 | Daimler-Benz Ag, 7000 Stuttgart | Von der Brennkraftmaschine abgeleiteter Hilfsgeräteantrieb für Hilfsaggregate wie Kühlluftgebläse, Kühlwasserpumpe, Servodruckpumpe und dgl. |
DE3729772A1 (de) * | 1987-09-05 | 1989-03-16 | Bosch Gmbh Robert | Generatoranlage |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2801812A1 (de) * | 1978-01-17 | 1979-07-19 | Daimler Benz Ag | Antriebsvorrichtung fuer nebenaggregate von brennkraftmaschinen, insbesondere kraftfahrzeugantriebsmaschinen |
JPS601328A (ja) * | 1983-06-16 | 1985-01-07 | Diesel Kiki Co Ltd | エンジン補機駆動制御装置 |
-
1992
- 1992-01-16 DE DE4200918A patent/DE4200918C1/de not_active Expired - Fee Related
- 1992-12-08 JP JP5512096A patent/JPH06506582A/ja active Pending
- 1992-12-08 US US08/119,120 patent/US5429082A/en not_active Expired - Fee Related
- 1992-12-08 EP EP92924692A patent/EP0576639B1/de not_active Expired - Lifetime
- 1992-12-08 DE DE59205774T patent/DE59205774D1/de not_active Expired - Fee Related
- 1992-12-08 WO PCT/EP1992/002837 patent/WO1993014560A1/de active IP Right Grant
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2213303C2 (de) * | 1972-03-18 | 1985-12-12 | Daimler-Benz Ag, 7000 Stuttgart | Von der Brennkraftmaschine abgeleiteter Hilfsgeräteantrieb für Hilfsaggregate wie Kühlluftgebläse, Kühlwasserpumpe, Servodruckpumpe und dgl. |
DE2732279A1 (de) * | 1977-07-16 | 1979-02-01 | Daimler Benz Ag | Regelbarer antrieb fuer die nebenaggregate von brennkraftmaschinen, insbesondere von kraftfahrzeug-brennkraftmaschinen |
DE3124102A1 (de) * | 1980-06-19 | 1982-02-25 | Societé pour L'Equipement de Vehicules, 92132 Issy-Les-Moulineaux | "verfahren und vorrichtung zur steuerung des antriebs eines wechselstromgenerators" |
DE3729772A1 (de) * | 1987-09-05 | 1989-03-16 | Bosch Gmbh Robert | Generatoranlage |
Also Published As
Publication number | Publication date |
---|---|
DE59205774D1 (de) | 1996-04-25 |
US5429082A (en) | 1995-07-04 |
EP0576639B1 (de) | 1996-03-20 |
JPH06506582A (ja) | 1994-07-21 |
EP0576639A1 (de) | 1994-01-05 |
DE4200918C1 (de) | 1993-03-11 |
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