DE102010049918A1 - Supercharged internal combustion engine for cooling lithium ion battery of hybrid vehicle, has absorption refrigeration device designed such that refrigeration device uses heat energy contained in air for cooling electrical energy storage - Google Patents
Supercharged internal combustion engine for cooling lithium ion battery of hybrid vehicle, has absorption refrigeration device designed such that refrigeration device uses heat energy contained in air for cooling electrical energy storage Download PDFInfo
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- DE102010049918A1 DE102010049918A1 DE102010049918A DE102010049918A DE102010049918A1 DE 102010049918 A1 DE102010049918 A1 DE 102010049918A1 DE 102010049918 A DE102010049918 A DE 102010049918A DE 102010049918 A DE102010049918 A DE 102010049918A DE 102010049918 A1 DE102010049918 A1 DE 102010049918A1
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- Germany
- Prior art keywords
- refrigeration device
- internal combustion
- combustion engine
- cooling
- absorption refrigeration
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02G—HOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS; USE OF WASTE HEAT OF COMBUSTION ENGINES; NOT OTHERWISE PROVIDED FOR
- F02G5/00—Profiting from waste heat of combustion engines, not otherwise provided for
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/24—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries
- B60L58/26—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by cooling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K2001/003—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units
- B60K2001/005—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units the electric storage means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/44—Drive Train control parameters related to combustion engines
- B60L2240/445—Temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2400/00—Special features of vehicle units
- B60Y2400/43—Engines
- B60Y2400/435—Supercharger or turbochargers
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- 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
-
- 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
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Supercharger (AREA)
- Hybrid Electric Vehicles (AREA)
Abstract
Description
Die vorliegende Erfindung betrifft eine aufgeladene Brennkraftmaschine eines Kraftfahrzeuges, mit einem Abgasturbolader gemäß dem Oberbegriff des Anspruchs 1. Die Erfindung betrifft außerdem ein Hybridfahrzeug mit einer derartig aufgeladenen Brennkraftmaschine, sowie ein Verfahren zur Kühlung eines elektrischen Energiespeichers eines Kraftfahrzeugs.The present invention relates to a supercharged internal combustion engine of a motor vehicle, with an exhaust gas turbocharger according to the preamble of
Hybridfahrzeuge werden in Verbindung mit Hochleistungsbatterien (z. B. Lithium-Ionen-Batterien) betrieben, wobei diese Batterie entsprechend ihrem Betrieb (Laden und Entladen) und der dabei entstehenden Abwärme gekühlt werden müssen, um die Batterie innerhalb einer vordefinierten Betriebstemperatur halten zu können. Dies erfolgt üblicherweise über Kühlluft oder auch über eine thermische Kopplung der Batterie mit einer Klimaanlage, wobei die Klimaanlage (Kompressionskälteanlage) für einen Kältemittelverdichter eine mechanische oder elektrische Antriebsleistung benötigt, die wiederum vom Antriebssystem des Hybridfahrzeuges zur Verfügung gestellt werden muss und dadurch den gesamten Wirkungsgrad des Antriebssystems reduziert bzw. den Kraftstoff-/Energieverbrauch erhöht. Eine Möglichkeit diese mechanische bzw. elektrische Antriebsleistung für den Kältemittelverdichter zu eliminieren besteht darin, für die Kühlung der Fahrzeugbatterie eine Absorptionskältemaschine zu verwenden, die über die thermische Energie eines Brenners oder eines Heizelements angetrieben wird. Nachteilig ist aber auch hierbei, dass für den Brenner oder für ein entsprechendes Heizelement Energie bzw. Kraftstoff zur Verfügung gestellt werden muss.Hybrid vehicles are operated in conjunction with high-performance batteries (eg lithium-ion batteries), which battery must be cooled according to their operation (charging and discharging) and the resulting waste heat in order to keep the battery within a predefined operating temperature. This is usually done via cooling air or via a thermal coupling of the battery with an air conditioner, the air conditioning (compression refrigeration) for a refrigerant compressor requires a mechanical or electrical drive power, which in turn must be provided by the drive system of the hybrid vehicle available and thereby the overall efficiency of Drive system reduces or increases the fuel / energy consumption. One way to eliminate this mechanical or electrical drive power for the refrigerant compressor is to use for the cooling of the vehicle battery an absorption chiller, which is driven by the thermal energy of a burner or a heating element. However, it is also disadvantageous here that energy or fuel must be made available for the burner or for a corresponding heating element.
Aus der
Aus der
Schließlich ist aus der
Die vorliegende Erfindung beschäftigt sich mit dem Problem, für eine Brennkraftmaschine der gattungsgemäßen Art eine verbesserte oder zumindest eine alternative Ausführungsform anzugeben, die sich insbesondere durch einen effizienten Betrieb und einen lediglich geringen Bauraumbedarf auszeichnet.The present invention addresses the problem of providing for an internal combustion engine of the generic type an improved or at least one alternative embodiment, which is characterized in particular by an efficient operation and only a small space requirement.
Dieses Problem wird erfindungsgemäß durch die Gegenstände der unabhängigen Ansprüche gelöst. Vorteilhafte Ausführungsformen sind Gegenstand des abhängigen Anspruchs.This problem is solved according to the invention by the subject matters of the independent claims. Advantageous embodiments are the subject of the dependent claim.
Die vorliegende Erfindung beruht auf dem allgemeinen Gedanken, eine Absorptionskälteeinrichtung zur Kühlung eines elektrischen Energiespeichers in einem Kraftfahrzeug zu verwenden, wobei die zum Betrieb der Absorptionskälteeinrichtung erforderliche thermische Energie einem verdichteten Ladeluftstrom eines Abgasturboladers entnommen wird. Durch die Verdichtung der der Brennkraftmaschine zuzuführenden Ladeluft erwärmt sich diese aufgrund des erhöhten Druckniveaus auf ca. 150 bis ca. 200°C, also deutlich oberhalb des Temperaturniveaus eines herkömmlichen Kühlmittelkreislaufs, wodurch sich ein besonders effizienter Betrieb und ein entsprechend geringer Bauraumbedarf der Absorptionskälteeinrichtung erreichen lässt, da lediglich geringe Wärmeübertragungsflächen erforderlich sind. Da darüber hinaus kein Kraftstoff zum Betrieb eines Brenners notwendig ist, erfordert die Bereitstellung der thermischen Antriebsleistung für die Absorptionskälteeinrichtung keinen zusätzlichen Kraftstoff, wodurch ein hoher Wirkungsgrad des gesamten Antriebssystems und ein entsprechend niedriger Kraftstoffverbrauch erreicht werden können. Die erfindungsgemäße Absorptionskälteeinrichtung ist dabei stromab des Verdichters des Abgasturboladers angeordnet und erfindungsgemäß derart ausgebildet, dass sie die in der verdichteten Ladeluft enthaltene Wärmeenergie zur Kühlung der Fahrzeugbatterie nutzt.The present invention is based on the general idea of using an absorption refrigeration device for cooling an electrical energy store in a motor vehicle, wherein the thermal energy required for operating the absorption refrigeration device is taken from a compressed charge air flow of an exhaust gas turbocharger. Due to the compression of the internal combustion engine to be supplied charge air heats up due to the elevated pressure level to about 150 to about 200 ° C, well above the temperature level of a conventional coolant circuit, which can be a particularly efficient operation and a correspondingly low space requirement of the absorption refrigeration can be achieved because only small heat transfer surfaces are required. In addition, since fuel is not required to operate a burner, providing the thermal drive power to the absorption refrigerator does not require additional fuel, thereby achieving high efficiency of the entire drive system and correspondingly low fuel consumption. The absorption refrigeration device according to the invention is arranged downstream of the compressor of the exhaust gas turbocharger and according to the invention designed such that it uses the heat energy contained in the compressed charge air for cooling the vehicle battery.
Bei einer vorteilhaften Weiterbildung der erfindungsgemäßen Lösung, ist stromab des Verdichters des Abgasturboladers ein mit der Absorptionskälteeinrichtung Wärme übertragend verbundener Ladeluftkühler angeordnet, wobei die Absorptionskälteeinrichtung die vom Ladeluftkühler einem der Brennkraftmaschine zuzuführenden Luftstrom entzogene Wärmeenergie zur Kühlung der Fahrzeugbatterie nutzt. Bei dieser Ausführungsform wird somit mittels des Ladeluftkühlers der der Brennkraftmaschine zuzuführende Ladeluftstrom gekühlt und die hierfür erforderliche Kühlleistung in Form von thermischer Energie an die Absorptionskälteeinrichtung abgeführt. Diese ist durch die derart zugeführte thermische Energie in der Lage, die Fahrzeugbatterie zu kühlen. Generell wird bei einer Absorptionskälteeinrichtung ein Kältemittel in einem Lösungsmittelkreislauf bei geringer Temperatur in einem zweiten Stoff absorbiert und bei höheren Temperaturen desorbiert. Bei dem Prozess wird dabei die Temperaturabhängigkeit der physikalischen Lösung zweier Stoffe genutzt, wobei für den Prozess Voraussetzung ist, dass die beiden Stoffe in dem verwendeten Temperaturintervall in jedem Verhältnis ineinander löslich sind.In an advantageous development of the solution according to the invention, downstream of the compressor of the exhaust gas turbocharger, a heat exchanger connected to the absorption refrigeration device intercooler is arranged, wherein the Absorption refrigeration device uses the thermal energy withdrawn from the charge air cooler one of the internal combustion engine extracted heat energy for cooling the vehicle battery. In this embodiment, the charge air flow to be supplied to the internal combustion engine is thus cooled by means of the charge air cooler and the required cooling power in the form of thermal energy is dissipated to the absorption refrigeration device. This is able by the thus supplied thermal energy to cool the vehicle battery. In general, in an absorption refrigeration device, a refrigerant is absorbed in a solvent circuit at low temperature in a second material and desorbed at higher temperatures. In the process, the temperature dependence of the physical solution of two substances is used, whereby the process is a prerequisite that the two substances in the temperature interval used in each ratio are soluble in each other.
Weitere wichtige Merkmale und Vorteile der Erfindung ergeben sich aus den Unteransprüchen, aus der Zeichnung und aus der zugehörigen Figurenbeschreibung anhand der Zeichnung.Other important features and advantages of the invention will become apparent from the dependent claims, from the drawing and from the associated description of the figures with reference to the drawing.
Es versteht sich, dass die vorstehend genannten und die nachstehend noch zu erläuternden Merkmale nicht nur in der jeweils angegebenen Kombination, sondern auch in anderen Kombinationen oder in Alleinstellung verwendbar sind, ohne den Rahmen der vorliegenden Erfindung zu verlassen.It is understood that the features mentioned above and those yet to be explained below can be used not only in the particular combination given, but also in other combinations or in isolation, without departing from the scope of the present invention.
Ein bevorzugtes Ausführungsbeispiel der Erfindung ist in der Zeichnung dargestellt und wird in der nachfolgenden Beschreibung näher erläutert.A preferred embodiment of the invention is illustrated in the drawing and will be explained in more detail in the following description.
Die einzige
Entsprechend der
Die Kühlung des elektrischen Energiespeichers
Zunächst wird vom Abgasstrom der Brennkraftmaschine
First, the exhaust gas flow of the
Generell kann die erfindungsgemäße Brennkraftmaschine
ZITATE ENTHALTEN IN DER BESCHREIBUNG QUOTES INCLUDE IN THE DESCRIPTION
Diese Liste der vom Anmelder aufgeführten Dokumente wurde automatisiert erzeugt und ist ausschließlich zur besseren Information des Lesers aufgenommen. Die Liste ist nicht Bestandteil der deutschen Patent- bzw. Gebrauchsmusteranmeldung. Das DPMA übernimmt keinerlei Haftung für etwaige Fehler oder Auslassungen.This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.
Zitierte PatentliteraturCited patent literature
- DE 10333219 A1 [0003] DE 10333219 A1 [0003]
- EP 1391665 B1 [0004] EP 1391665 B1 [0004]
- DE 102008039908 A1 [0005] DE 102008039908 A1 [0005]
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102010049918A DE102010049918A1 (en) | 2010-10-28 | 2010-10-28 | Supercharged internal combustion engine for cooling lithium ion battery of hybrid vehicle, has absorption refrigeration device designed such that refrigeration device uses heat energy contained in air for cooling electrical energy storage |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102010049918A DE102010049918A1 (en) | 2010-10-28 | 2010-10-28 | Supercharged internal combustion engine for cooling lithium ion battery of hybrid vehicle, has absorption refrigeration device designed such that refrigeration device uses heat energy contained in air for cooling electrical energy storage |
Publications (1)
Publication Number | Publication Date |
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DE102010049918A1 true DE102010049918A1 (en) | 2011-06-30 |
Family
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DE102010049918A Withdrawn DE102010049918A1 (en) | 2010-10-28 | 2010-10-28 | Supercharged internal combustion engine for cooling lithium ion battery of hybrid vehicle, has absorption refrigeration device designed such that refrigeration device uses heat energy contained in air for cooling electrical energy storage |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102017120947A1 (en) | 2017-09-11 | 2019-03-14 | Volkswagen Aktiengesellschaft | Motor vehicle with a cooling system |
DE102020130786B3 (en) | 2020-11-20 | 2021-11-25 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Hybrid vehicle |
US11362379B2 (en) | 2018-03-15 | 2022-06-14 | Carrier Corporation | Transportation refrigeration unit with integrated battery enclosure cooling |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10333219A1 (en) | 2003-07-22 | 2005-02-24 | Deere & Company, Moline | cooling arrangement |
EP1391665B1 (en) | 2002-08-19 | 2008-10-08 | ZAE Bayern Bay. Zentrum für Angewandte Energieforschung E.V. | Multistage absorption refrigerating apparatus or heat pump and the use of the apparatus in an energy conversion system |
DE102008039908A1 (en) | 2008-08-27 | 2010-03-04 | Daimler Ag | Battery i.e. high volt battery, cooling device for e.g. vehicle with hybrid drive, has cooling agent circuit thermally coupled with refrigerant agent circuit of refrigerating machine i.e. absorption refrigerating machine, via heat exchanger |
-
2010
- 2010-10-28 DE DE102010049918A patent/DE102010049918A1/en not_active Withdrawn
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1391665B1 (en) | 2002-08-19 | 2008-10-08 | ZAE Bayern Bay. Zentrum für Angewandte Energieforschung E.V. | Multistage absorption refrigerating apparatus or heat pump and the use of the apparatus in an energy conversion system |
DE10333219A1 (en) | 2003-07-22 | 2005-02-24 | Deere & Company, Moline | cooling arrangement |
DE102008039908A1 (en) | 2008-08-27 | 2010-03-04 | Daimler Ag | Battery i.e. high volt battery, cooling device for e.g. vehicle with hybrid drive, has cooling agent circuit thermally coupled with refrigerant agent circuit of refrigerating machine i.e. absorption refrigerating machine, via heat exchanger |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102017120947A1 (en) | 2017-09-11 | 2019-03-14 | Volkswagen Aktiengesellschaft | Motor vehicle with a cooling system |
US11362379B2 (en) | 2018-03-15 | 2022-06-14 | Carrier Corporation | Transportation refrigeration unit with integrated battery enclosure cooling |
DE102020130786B3 (en) | 2020-11-20 | 2021-11-25 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Hybrid vehicle |
US11585263B2 (en) | 2020-11-20 | 2023-02-21 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Vehicle having a hybrid drive |
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