WO2005012719A1 - Steuerung einer elektrisch beheizten vorwärmeinrichtung für den kaltstart von verbrennungsmotoren - Google Patents
Steuerung einer elektrisch beheizten vorwärmeinrichtung für den kaltstart von verbrennungsmotoren Download PDFInfo
- Publication number
- WO2005012719A1 WO2005012719A1 PCT/EP2004/007845 EP2004007845W WO2005012719A1 WO 2005012719 A1 WO2005012719 A1 WO 2005012719A1 EP 2004007845 W EP2004007845 W EP 2004007845W WO 2005012719 A1 WO2005012719 A1 WO 2005012719A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- heating
- phase
- internal combustion
- heating element
- combustion engine
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M31/00—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture
- F02M31/02—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture for heating
- F02M31/12—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture for heating electrically
- F02M31/13—Combustion air
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D9/00—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
- F02D9/08—Throttle valves specially adapted therefor; Arrangements of such valves in conduits
- F02D9/10—Throttle valves specially adapted therefor; Arrangements of such valves in conduits having pivotally-mounted flaps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M31/00—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture
- F02M31/02—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture for heating
- F02M31/12—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture for heating electrically
- F02M31/135—Fuel-air mixture
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Definitions
- the invention relates to a method for heating the intake air, in particular for an internal combustion engine that is in the start-up or warm-up phase, according to the kind defined in the preamble of claim 1.
- a heating flange for warm air in a suction line leading to a diesel internal combustion engine It is also known to control the heating element in the heating flange with a control unit.
- the controller leaves the current in the heating element at a constant value and the heating power introduced is determined solely by the switch-on time of the heating element.
- the heating flange or the heating element is briefly switched off in order to provide sufficient energy for the starter from the vehicle electrical system.
- a generic method from which the invention is based is known from German patent application DE 198 54 077 AI. According to this, it is known to support the cold start of a diesel engine with air preheating, the air preheating being carried out with a preheating time and an afterglowing time.
- the glow time and afterglow time are interrupted by the starting process, in which the diesel engine runs up to the starting speed after the starter is actuated. No energy is supplied to the heating flange during the starting process.
- the heating flange is controlled via the motor electronics.
- the pre-glow time and the after-glow time of the heating element are calculated from the ambient data before the start of the start.
- the air temperature and the coolant temperature before the cold start are used.
- Pre-glow time and after-glow time are purely time-controlled, i. H. there is no current control or current regulation for the operation of the heating element in the intake manifold of the diesel engine.
- the preheating phase is divided into three phases, namely a full-current phase, a post-heating phase and a ready-to-start phase.
- the heating elements of the heating flange are operated in such a way that the heating flange is kept at a desired temperature.
- a heat cushion is created for the starting process.
- the glow indicator lamp goes out and indicates that it is ready to start when it goes out.
- the ready-to-start phase follows. In order to prevent the heating elements from cooling down during the start-up phase, the heating elements are operated with a further reduced power during the start-up phase. If there is no start after a specified ready time, the heating elements are switched off.
- the heating of the heating flange is briefly suspended, but only until the first ignitions support the engine to run up to idling speed. As soon as the first ignitions start, the starter is relieved and the on-board electrical system energy available through relieving the starter is used again. tion of the heating elements of the heating flange.
- the pre-heating phase prevents the temperature of the intake air from cooling down when the engine is turned for a long time.
- the power-controlled preheating time is only a third of the time compared to the preheating time of conventional cold start processes.
- the afterglow is performed according to the invention depending on the coolant temperature and the charge air temperature, the engine speed and the air mass in a power-controlled manner.
- the electrical heating output can be adapted to the air throughput at increased engine speed and increased air throughput in the afterglow phase, so that the charge air temperature does not drop and the concentricity does not deteriorate even when the engine is cold.
- the diesel engine will be able to withstand the heat earlier during the afterglow period.
- the interruption of the heating power during the starting process could be shortened considerably.
- the interruption of the heating power during the starting process can now be variably adjusted by making the interruption dependent on the current engine speed. This makes it possible to extend the afterglow time further into the starting phase, in that the heating starts again when the first ignitions are noticeable by an increase in the engine speed.
- the extent to which heating is continued depends on the vehicle electrical system voltage. This early afterglow time provides better start-up support for the diesel engine its idle speed and prevents the charge air temperature from dropping if the cranking time is extended.
- the motor control unit is preferably used to control the heating flange.
- the engine electronics constantly provide information on the engine status (engine stopped, engine running, starter on, starter off), engine speed, coolant temperature, charge air temperature, charge air pressure, calculated air mass and vehicle electrical system voltage. Correction methods implemented in the engine electronics can therefore also be used to take into account the rising or falling boost pressure, which turns out differently at different sea levels, in the cold start method according to the invention.
- the electrical power can also be corrected at high altitudes so that the engine can make optimal use of the low oxygen content present there.
- the heating tapes of the heating flange are kept at a constant operating temperature with a reduced heating power after a set temperature has been reached. This protects the battery and protects the heating tapes from overload.
- the cold start method according to the invention is suitable for engines with a stroke volume of up to 16 liters per heating flange. With appropriate application of control algorithms in engine electronics, the cold start method according to the invention can also be used for engines that are operated with special fuels. These are e.g. B. engines that run on kerosene, bio-diesel, etc.
- FIG. 1 shows a basic curve of the vehicle electrical system voltage, the electrical power regulation, the charge air temperature and the engine speed and the activation of the indicator light, as occurs in the cold start method according to the invention.
- the energization of the heating elements in the heating flange is regulated variably.
- the heating element is fully energized during a first time period 1 until the heating flange has reached a desired temperature.
- a post-heating phase 2 and a ready-to-start phase 3 commence, in which the heating power is regulated in such a way that the heating flange is kept at a constant temperature.
- the course of the vehicle electrical system voltage shows a strong drop during full power supply 1, but clearly recovers during the reheating phase 2 and the ready phase 3.
- no charge air is drawn in and the engine does not crank.
- the start phase begins when the starter of the internal combustion engine is actuated.
- the speed of the internal combustion engine is determined exclusively by the speed of the starter.
- the engine speed therefore remains at the constant level of the speed caused by the starter.
- the heating power is interrupted so that as much energy as possible from the vehicle electrical system voltage is available in the starter.
- the sucked-in charge air is heated by the temperature-controlled heating flange.
- a heat cushion was created in the intake manifold of the internal combustion engine, so that despite the heating power being switched off, the intake air which is drawn in can be heated over a period of time corresponding to the heat sensor generated.
- the afterglow phase 5 starts after the idling speed has been reached.
- the internal combustion engine runs on its own and heats up visibly.
- the heating power of the heating flange can be reduced more and more in this afterglow phase.
- the vehicle electrical system voltage gradually increases. If, in this afterglow phase, power is to be demanded from the internal combustion engine before the engine has reached its operating temperature, the charge air drawn in can be kept at a constant temperature by increased heating during a speed increase 6 of the internal combustion engine.
- the cold running phase ends as soon as the internal combustion engine or the coolant in the internal combustion engine has reached an intended operating temperature. Then the heating flange is switched off.
- FIG. 2 shows a schematic diagram of a typical internal combustion engine, as is known per se.
- the cold start method according to the invention can be used on such an internal combustion engine.
- An internal combustion engine in particular a diesel engine 8 with, for example, three combustion cylinders 9, draws in its air via an intake port 10.
- a heating flange 11 with heating elements 12 protruding into the intake manifold is arranged in the intake manifold 10.
- the power control and the energization of the heating elements is carried out by a control unit, in particular an engine control unit 13.
- the control unit 13 has a temperature sensor 14, which measures the air temperature in the intake port after the heating elements, but before entering the combustion cylinder.
- the starting process is initiated by the control device 13 by actuating a starter 15.
- the starter 15 engages in a manner known per se with its pinion in a gearwheel.
- the gear wheel in turn is non-positively connected to the crankshaft 16 of the internal combustion engine and rotates the crankshaft when the starter is actuated.
- the cold start method according to the invention can advantageously be used on such an internal combustion engine.
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006520742A JP2006528299A (ja) | 2003-07-19 | 2004-07-15 | 内燃機関の低温始動用の電気式予熱装置の制御方法 |
US10/564,952 US7464699B2 (en) | 2003-07-19 | 2004-07-15 | Control of an electrically heated pre-heating device for cold-starting internal combustion engines |
EP04763239A EP1646782A1 (de) | 2003-07-19 | 2004-07-15 | STEUERUNG EINER ELEKTRISCH BEHEIZTEN VORW RMEINRICHTUNG F&Uu ml;R DEN KALTSTART VON VERBRENNUNGSMOTOREN |
CA002532075A CA2532075A1 (en) | 2003-07-19 | 2004-07-15 | Control of an electrically heated pre-heating device for cold-starting internal combustion engines |
NO20060798A NO20060798L (no) | 2003-07-19 | 2006-02-17 | Styring av en elektrisk oppvarmet forvarmeinnretning for kaldstarting av forbrenningsmotorer |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10332936.6 | 2003-07-19 | ||
DE10332936A DE10332936A1 (de) | 2003-07-19 | 2003-07-19 | Steuerung einer elektrisch beheizten Vorwärmeinrichtung für den Kaltstart von Verbrennungsmotoren |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005012719A1 true WO2005012719A1 (de) | 2005-02-10 |
Family
ID=34041972
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2004/007845 WO2005012719A1 (de) | 2003-07-19 | 2004-07-15 | Steuerung einer elektrisch beheizten vorwärmeinrichtung für den kaltstart von verbrennungsmotoren |
Country Status (7)
Country | Link |
---|---|
US (1) | US7464699B2 (de) |
EP (1) | EP1646782A1 (de) |
JP (1) | JP2006528299A (de) |
CA (1) | CA2532075A1 (de) |
DE (1) | DE10332936A1 (de) |
NO (1) | NO20060798L (de) |
WO (1) | WO2005012719A1 (de) |
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EP2395226B1 (de) * | 2003-07-28 | 2013-07-17 | Phillips and Temro Industries Inc. | Steuerschaltung für Ansaugluftheizer |
BRPI0504047C1 (pt) | 2005-09-12 | 2007-07-31 | Fiat Automoveis Sa | sistema auxiliar de partida a frio para motores a álcool e flex com aquecimento do ar de admissão e do álcool |
US8981264B2 (en) * | 2006-02-17 | 2015-03-17 | Phillips & Temro Industries Inc. | Solid state switch |
US8003922B2 (en) * | 2006-02-17 | 2011-08-23 | Phillips & Temro Industries Inc. | Solid state switch with over-temperature and over-current protection |
EP1908673B1 (de) | 2006-10-06 | 2009-12-09 | Rolic Invest Sarl | Raupenfahrzeug |
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US20080202461A1 (en) * | 2007-02-26 | 2008-08-28 | Honda Motor Co., Ltd. | Engine cylinder sleeve heater and method |
ITMI20071249A1 (it) * | 2007-06-21 | 2008-12-22 | Rolic Invest Sarl | Rampone per cingoli di veicoli cingolati, in particolare veicoli battipista |
ITMI20072091A1 (it) * | 2007-10-30 | 2009-04-30 | Rolic Invest Sarl | Fresa rotante da neve e metodo per la preparazione del manto nevoso delle piste da sci |
ITMI20072096A1 (it) | 2007-10-30 | 2009-04-30 | Rolic Invest Sarl | Dispositivo di collegamento fra un veicolo battipista ed un'attrezzatura per la preparazione del manto nevoso delle piste da sci e metodo di controllo impiegante tale dispositivo di collegamento |
ITMI20072105A1 (it) * | 2007-10-31 | 2009-05-01 | Rolic Invest Sarl | Fresa rotante da neve per la preparazione del manto nevoso delle piste da sci |
ITMI20072102A1 (it) * | 2007-10-31 | 2009-05-01 | Rolic Invest Sarl | Fresa rotante da neve per la preparazione del manto nevoso delle piste da sci |
EP2103798A1 (de) * | 2008-03-20 | 2009-09-23 | Aquafuel Research Limited | Verbrennungsverfahren und Verbrennungsvorrichtung |
DE102008015283B3 (de) * | 2008-03-20 | 2009-09-03 | Continental Automotive Gmbh | Verfahren und Steuervorrichtung zum Starten einer Brennkraftmaschine, welche eine Heizeinrichtung zum Erhitzen einer Kühlflüssigkeit aufweist |
ITMI20081001A1 (it) * | 2008-05-29 | 2009-11-30 | Rolic Invest Sarl | Cingolo per veicoli battipista e veicolo battipista provvisto di tale cingolo |
IT1394923B1 (it) | 2009-02-18 | 2012-07-27 | Rolic Invest Sarl | Veicolo battipista comprendente un gruppo verricello di ausilio alla movimentazione del veicolo battipista lungo pendii ripidi e metodo di azionamento del gruppo verricello |
US20110030661A1 (en) * | 2009-08-04 | 2011-02-10 | International Engine Intellectual Property Company, Llc | Strategy for enabling intake air heater to clean up white smoke during warm engine re-start in cold weather |
SE0901517A1 (sv) * | 2009-12-02 | 2011-06-03 | Ergonomen Handelsbolag | Effektiviserare |
EP2525072B1 (de) * | 2011-05-16 | 2014-01-01 | Ford Global Technologies, LLC | Verfahren zur Erwärmung der Verbrennungsluft einer Brennkraftmaschine und Brennkraftmaschine zur Durchführung eines derartigen Verfahrens |
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US20130312946A1 (en) * | 2012-05-24 | 2013-11-28 | Kellogg Brown & Root Llc | Methods and Systems for Cooling Hot Particulates |
DE102012011252A1 (de) * | 2012-06-06 | 2013-12-12 | Man Truck & Bus Ag | Steuerung eines elektrischen Ansaugluftvorwärmers einer Brennkraftmaschine |
CN105556106A (zh) * | 2013-07-03 | 2016-05-04 | 希德里亚Aet公司 | 进气加热器系统和方法 |
US20150198133A1 (en) * | 2014-01-10 | 2015-07-16 | Caterpillar Inc. | Engine coolant temperature regulation apparatus and method |
KR101646131B1 (ko) * | 2015-06-15 | 2016-08-05 | 현대자동차 주식회사 | 마일드 하이브리드 차량의 엔진 예열 장치 및 방법 |
US10221817B2 (en) | 2016-05-26 | 2019-03-05 | Phillips & Temro Industries Inc. | Intake air heating system for a vehicle |
US10077745B2 (en) | 2016-05-26 | 2018-09-18 | Phillips & Temro Industries Inc. | Intake air heating system for a vehicle |
US10995707B1 (en) * | 2019-12-18 | 2021-05-04 | GM Global Technology Operations LLC | Intake air heating with pre-chamber ignition in a gasoline engine |
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CN114278447B (zh) * | 2021-12-16 | 2023-03-24 | 潍柴动力股份有限公司 | 发动机控制方法、装置及发动机控制器 |
CN114675625A (zh) * | 2022-03-21 | 2022-06-28 | 潍柴动力股份有限公司 | 一种控制器控制方法及装置 |
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JPS61157749A (ja) * | 1984-12-28 | 1986-07-17 | Mitsubishi Electric Corp | エンジンのエアヒ−タ制御装置 |
US5138987A (en) * | 1990-12-22 | 1992-08-18 | Mercedes-Benz Ag | Process for heating the intake air internal combustion engines by means of a flame starting system |
JPH08232766A (ja) * | 1995-02-22 | 1996-09-10 | Daihatsu Motor Co Ltd | 気化器加熱用ptcヒータの制御方法 |
US5894832A (en) * | 1996-07-12 | 1999-04-20 | Hitachi America, Ltd., Research And Development Division | Cold start engine control apparatus and method |
US6138645A (en) * | 1998-11-24 | 2000-10-31 | Daimlerchrysler Ag | Method of heating the intake air |
EP1136695A1 (de) * | 2000-03-17 | 2001-09-26 | IVECO FIAT S.p.A. | Diagnosesystem für die elektrische Heizvorrichtung eines zu einem Dieselmotor gehörigen Lüfteinlasskrümmers |
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-
2003
- 2003-07-19 DE DE10332936A patent/DE10332936A1/de not_active Withdrawn
-
2004
- 2004-07-15 EP EP04763239A patent/EP1646782A1/de not_active Withdrawn
- 2004-07-15 JP JP2006520742A patent/JP2006528299A/ja active Pending
- 2004-07-15 CA CA002532075A patent/CA2532075A1/en not_active Abandoned
- 2004-07-15 US US10/564,952 patent/US7464699B2/en not_active Expired - Fee Related
- 2004-07-15 WO PCT/EP2004/007845 patent/WO2005012719A1/de active Application Filing
-
2006
- 2006-02-17 NO NO20060798A patent/NO20060798L/no not_active Application Discontinuation
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JPS61157749A (ja) * | 1984-12-28 | 1986-07-17 | Mitsubishi Electric Corp | エンジンのエアヒ−タ制御装置 |
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JPH08232766A (ja) * | 1995-02-22 | 1996-09-10 | Daihatsu Motor Co Ltd | 気化器加熱用ptcヒータの制御方法 |
US5894832A (en) * | 1996-07-12 | 1999-04-20 | Hitachi America, Ltd., Research And Development Division | Cold start engine control apparatus and method |
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Also Published As
Publication number | Publication date |
---|---|
US7464699B2 (en) | 2008-12-16 |
EP1646782A1 (de) | 2006-04-19 |
CA2532075A1 (en) | 2005-02-10 |
US20070062497A1 (en) | 2007-03-22 |
NO20060798L (no) | 2006-03-03 |
DE10332936A1 (de) | 2005-02-10 |
JP2006528299A (ja) | 2006-12-14 |
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