DE102019008851A1 - Motor vehicle - Google Patents

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Publication number
DE102019008851A1
DE102019008851A1 DE102019008851.4A DE102019008851A DE102019008851A1 DE 102019008851 A1 DE102019008851 A1 DE 102019008851A1 DE 102019008851 A DE102019008851 A DE 102019008851A DE 102019008851 A1 DE102019008851 A1 DE 102019008851A1
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Germany
Prior art keywords
battery
heat shield
motor vehicle
exhaust
exhaust pipes
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.)
Withdrawn
Application number
DE102019008851.4A
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German (de)
Inventor
Tobias Morciniec
Jonas Matt
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Mercedes Benz Group AG
Original Assignee
Daimler AG
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Publication date
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Priority to DE102019008851.4A priority Critical patent/DE102019008851A1/en
Publication of DE102019008851A1 publication Critical patent/DE102019008851A1/en
Withdrawn legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
    • F01N3/0205—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust using heat exchangers
    • 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
    • B60K13/00—Arrangement in connection with combustion air intake or gas exhaust of propulsion units
    • B60K13/04—Arrangement in connection with combustion air intake or gas exhaust of propulsion units concerning exhaust
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/08—Other arrangements or adaptations of exhaust conduits
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/14—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having thermal insulation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N5/00—Exhaust or silencing apparatus combined or associated with devices profiting by exhaust energy
    • F01N5/02—Exhaust or silencing apparatus combined or associated with devices profiting by exhaust energy the devices using heat
    • 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
    • F02B77/11—Thermal or acoustic insulation
    • 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
    • B60K2001/008—Arrangement or mounting of electrical propulsion units with means for heating the electrical propulsion units
    • 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
    • B60K2001/0405—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion characterised by their position
    • B60K2001/0438—Arrangement under the floor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2200/00—Type of vehicle
    • B60Y2200/90—Vehicles comprising electric prime movers
    • B60Y2200/92—Hybrid vehicles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2240/00—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being
    • F01N2240/02—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being a heat exchanger
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2260/00—Exhaust treating devices having provisions not otherwise provided for
    • F01N2260/20—Exhaust treating devices having provisions not otherwise provided for for heat or sound protection, e.g. using a shield or specially shaped outer surface of exhaust device
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2290/00—Movable parts or members in exhaust systems for other than for control purposes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2340/00—Dimensional characteristics of the exhaust system, e.g. length, diameter or volume of the apparatus; Spatial arrangements of exhaust apparatuses
    • F01N2340/04—Dimensional characteristics of the exhaust system, e.g. length, diameter or volume of the apparatus; Spatial arrangements of exhaust apparatuses characterised by the arrangement of an exhaust pipe, manifold or apparatus in relation to vehicle frame or particular vehicle parts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2560/00—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics
    • F01N2560/06—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being a temperature sensor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
    • F01N2900/06—Parameters used for exhaust control or diagnosing
    • F01N2900/16—Parameters used for exhaust control or diagnosing said parameters being related to the exhaust apparatus, e.g. particulate filter or catalyst
    • F01N2900/1602—Temperature of exhaust gas apparatus
    • 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

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Exhaust Silencers (AREA)

Abstract

Die Erfindung betrifft ein Kraftfahrzeug (1) mit einem Verbrennungsmotor (2), einem elektrischen Antriebsmotor, einer Abgasanlage (3) und mindestens einer als Hochvolt-Batterie ausgebildeten Batterie (4) zum Betrieb des elektrischen Antriebsmotors, wobei abgasführende Rohre (3.2, 3.3, 3.4) der Abgasanlage (3) nahe an der Batterie (4) verlaufend platziert sind, wobei mindestens ein Hitzeschild (5) vorgesehen ist, welcher zwischen den abgasführenden Rohren (3.2, 3.3, 3.4) und der Batterie (4) positionierbar ist, wobei eine Position des Hitzeschilds (5) variabel ist, so dass er zwischen den abgasführenden Rohren (3.2, 3.3, 3.4) und der Batterie (4) platzierbar oder von dort entfernbar ist oder dass der Hitzeschild (5) eine Jalousie umfasst, deren Lamellen geöffnet oder geschlossen werden können, wobei an der Batterie (4) ein oder mehrere Temperatursensoren vorgesehen sind, mit denen Temperaturmesswerte erfassbar sind, anhand deren die Position des mindestens einen Hitzeschilds (5) regelbar ist.The invention relates to a motor vehicle (1) with an internal combustion engine (2), an electric drive motor, an exhaust system (3) and at least one battery (4) designed as a high-voltage battery for operating the electric drive motor, exhaust pipes (3.2, 3.3, 3.4) of the exhaust system (3) are placed running close to the battery (4), at least one heat shield (5) being provided, which can be positioned between the exhaust pipes (3.2, 3.3, 3.4) and the battery (4), whereby a position of the heat shield (5) is variable, so that it can be placed between the exhaust pipes (3.2, 3.3, 3.4) and the battery (4) or removed from there, or that the heat shield (5) comprises a blind, the slats of which are open or can be closed, one or more temperature sensors being provided on the battery (4), by means of which temperature measured values can be recorded, on the basis of which the position of the at least one heat shield (5) can be regulated r is.

Description

Die Erfindung betrifft ein Kraftfahrzeug, insbesondere ein Hybridfahrzeug gemäß Anspruch 1.The invention relates to a motor vehicle, in particular a hybrid vehicle.

Fahrzeuge mit elektrischem oder teilelektrischem Antrieb weisen Antriebsbatterien, insbesondere Hochvoltbatterien auf, die für einen optimalen Betrieb temperiert werden. Hierzu wird die Batterie beispielsweise im Sommer bei hohen Außentemperaturen gekühlt und im Winter bei niedrigen Außentemperaturen erwärmt. Diese Temperierung hat einen hohen Energiebedarf, der zu Lasten der elektrischen Fahrzeugreichweite geht.Vehicles with electric or partially electric drive have drive batteries, in particular high-voltage batteries, which are tempered for optimal operation. For this purpose, the battery is cooled, for example, in summer when the outside temperature is high and warmed in winter when the outside temperature is low. This temperature control has a high energy requirement, which is at the expense of the electric vehicle range.

Die DE 10 2009 037 012 A1 offenbart eine Batterieeinheit, umfassend mindestens eine Batterie, wobei die Batterieeinheit mindestens einen Batteriekanal aufweist, wobei der Batteriekanal mindestens einen Kanal für ein Abgasrohr umfasst oder ausbildet, wobei in dem Kanal für ein Abgasrohr mindestens ein Abgasrohr anordenbar ist, sowie ein Fahrzeug mit einer solchen Batterieeinheit und ein Verfahren zur Kühlung einer Batterieeinheit.The DE 10 2009 037 012 A1 discloses a battery unit comprising at least one battery, the battery unit having at least one battery channel, the battery channel comprising or forming at least one channel for an exhaust pipe, wherein at least one exhaust pipe can be arranged in the channel for an exhaust pipe, and a vehicle with such a battery unit and a method for cooling a battery unit.

Der Erfindung liegt die Aufgabe zu Grunde, ein verbessertes Kraftfahrzeug anzugeben.The invention is based on the object of specifying an improved motor vehicle.

Die Aufgabe wird erfindungsgemäß gelöst durch ein Kraftfahrzeug mit den Merkmalen des Anspruchs 1.The object is achieved according to the invention by a motor vehicle with the features of claim 1.

Vorteilhafte Ausgestaltungen der Erfindung sind Gegenstand des Unteranspruchs.Advantageous embodiments of the invention are the subject of the dependent claim.

Ein erfindungsgemäßes Kraftfahrzeug umfasst einen Verbrennungsmotor, einen elektrischen Antriebsmotor, eine Abgasanlage und mindestens eine als Hochvolt-Batterie ausgebildete Batterie zum Betrieb des elektrischen Antriebsmotors, wobei abgasführende Rohre der Abgasanlage nahe an der Batterie verlaufend platziert sind, wobei mindestens ein Hitzeschild vorgesehen ist, welcher zwischen den abgasführenden Rohren und der Batterie positionierbar ist. Erfindungsgemäß ist eine Position des Hitzeschilds variabel, so dass er zwischen den abgasführenden Rohren und der Batterie platzierbar oder von dort entfernbar ist oder der Hitzeschild umfasst eine Jalousie, deren Lamellen geöffnet oder geschlossen werden können, wobei an der Batterie ein oder mehrere Temperatursensoren vorgesehen sind, mit denen Temperaturmesswerte erfassbar sind, anhand deren die Position des mindestens einen Hitzeschilds regelbar ist.A motor vehicle according to the invention comprises an internal combustion engine, an electric drive motor, an exhaust system and at least one battery designed as a high-voltage battery for operating the electric drive motor, exhaust-gas-carrying pipes of the exhaust system being placed running close to the battery, at least one heat shield being provided between the exhaust pipes and the battery can be positioned. According to the invention, a position of the heat shield is variable, so that it can be placed between the exhaust pipes and the battery or removed from there, or the heat shield comprises a blind, the slats of which can be opened or closed, one or more temperature sensors being provided on the battery, with which temperature measured values can be recorded, on the basis of which the position of the at least one heat shield can be regulated.

Die vorliegende Erfindung reduziert das Problem des hohen Energiebedarfs zur Erwärmung der Hochvolt-Batterie bei Plugin-Hybridfahrzeugen durch eine bedarfsgesteuerte Nutzung der Abstrahlwärme abgasführender Rohre in der Nähe der Hochvoltbatterie über einen variablen Hitzeschild.The present invention reduces the problem of the high energy requirement for heating the high-voltage battery in plug-in hybrid vehicles by using the radiated heat of exhaust-gas-carrying pipes in the vicinity of the high-voltage battery via a variable heat shield as required.

Ausführungsbeispiele der Erfindung werden im Folgenden anhand einer Zeichnung näher erläutert.Exemplary embodiments of the invention are explained in more detail below with reference to a drawing.

Dabei zeigt:

  • 1 eine schematische Ansicht eines Kraftfahrzeugs mit einem Verbrennungsmotor, einer Abgasanlage und einer Batterie.
It shows:
  • 1 is a schematic view of a motor vehicle with an internal combustion engine, an exhaust system and a battery.

1 ist eine schematische Ansicht eines Kraftfahrzeugs 1 mit einem Verbrennungsmotor 2, einer Abgasanlage 3, mit der heiße Abgase des Verbrennungsmotors 2 abgeführt werden, und einer Batterie 4, insbesondere einer Hochvolt-Batterie, die der Versorgung eines nicht dargestellten elektrischen Antriebsmotors dienen kann. In einer Ausführungsform ist das Kraftfahrzeug 1 ein Hybridfahrzeug, insbesondere ein Plugin-Hybridfahrzeug. 1 is a schematic view of a motor vehicle 1 with an internal combustion engine 2nd , an exhaust system 3rd , with the hot exhaust gases of the internal combustion engine 2nd be dissipated, and a battery 4th , in particular a high-voltage battery, which can serve to supply an electric drive motor, not shown. In one embodiment, the motor vehicle 1 a hybrid vehicle, in particular a plug-in hybrid vehicle.

Die Abgasanlage 3 umfasst mehrere abgasführende Rohre 3.1, 3.2, 3.3, 3.4, von denen zumindest einige nahe an der Batterie 4 verlaufend platziert sind. Ferner ist mindestens ein Hitzeschild 5 vorgesehen, welcher variabel zwischen den abgasführenden Rohren 3.2, 3.3, 3.4 und der Batterie 4 platziert oder von dort entfernt werden kann. Hierzu können verschiedene Mechanismen eingesetzt werden. Beispielsweise kann die Batterie 4, insbesondere ein Batteriegehäuse, vom Hitzeschild 5 umgeben sein, welcher in einer z-Richtung, das heißt in Richtung einer Hochachse des Kraftfahrzeugs 1, verfahrbar ist und so bei Bedarf zwischen der Batterie 4 und den abgasführenden Rohren 3.2, 3.3 3.4 positioniert oder von dort entfernt werden kann. Alternativ kann der Hitzeschild 5 einen Öffnungsmechanismus in der Art einer Jalousie umfassen, deren Lamellen wahlweise geöffnet oder geschlossen werden können.The exhaust system 3rd includes several exhaust pipes 3.1 , 3.2 , 3.3 , 3.4 at least some of which are close to the battery 4th are placed in progress. There is also at least one heat shield 5 provided which variable between the exhaust pipes 3.2 , 3.3 , 3.4 and the battery 4th placed or removed from there. Various mechanisms can be used for this. For example, the battery 4th , especially a battery case, from the heat shield 5 be surrounded, which in a z direction, that is, in the direction of a vertical axis of the motor vehicle 1 , is movable and so if necessary between the battery 4th and the exhaust pipes 3.2 , 3.3 3.4 positioned or removed from there. Alternatively, the heat shield 5 comprise an opening mechanism in the manner of a blind, the slats of which can be opened or closed as desired.

An der Batterie 4 können ein oder mehrere Temperatursensoren vorgesehen sein, mit denen Temperaturmesswerte erfassbar sind, anhand deren entschieden wird, ob der mindestens eine Hitzeschild 5 geöffnet oder geschlossen werden soll. Hierdurch wird eine bedarfsgesteuerte Erwärmungsunterstützung der Batterie 4 erreicht. Gegebenenfalls kann temperaturabhängig auch ein graduelles Öffnen des Hitzeschilds 5 vorgesehen sein.On the battery 4th For example, one or more temperature sensors can be provided, with which temperature measured values can be recorded, on the basis of which it is decided whether the at least one heat shield 5 to be opened or closed. As a result, there is demand-controlled heating support for the battery 4th reached. Depending on the temperature, a gradual opening of the heat shield can also occur 5 be provided.

Die Energieeffizienz des Kraftfahrzeugs 1 erhöht sich mittels der erfindungsgemäßen Lösung vor allem im Winter, wenn die Batterie 4 erwärmt werden muss. Die Batterie 4 kann zudem bei Bedarf schneller in ein optimales Temperaturfenster gebracht werden.The energy efficiency of the motor vehicle 1 increases by means of the solution according to the invention especially in winter when the battery 4th must be heated. The battery 4th can also be brought to an optimal temperature window faster if required.

Bezugszeichenliste Reference list

11
KraftfahrzeugMotor vehicle
22nd
VerbrennungsmotorInternal combustion engine
33rd
AbgasanlageExhaust system
3.1 bis 3.43.1 to 3.4
abgasführende Rohreexhaust pipes
44th
Batteriebattery
55
HitzeschildHeat shield

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 documents listed by the applicant has been generated automatically and is only included 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 PatentliteraturPatent literature cited

  • DE 102009037012 A1 [0003]DE 102009037012 A1 [0003]

Claims (2)

Kraftfahrzeug (1) mit einem Verbrennungsmotor (2), einem elektrischen Antriebsmotor, einer Abgasanlage (3) und mindestens einer als Hochvolt-Batterie ausgebildeten Batterie (4) zum Betrieb des elektrischen Antriebsmotors, wobei abgasführende Rohre (3.2, 3.3, 3.4) der Abgasanlage (3) nahe an der Batterie (4) verlaufend platziert sind, wobei mindestens ein Hitzeschild (5) vorgesehen ist, welcher zwischen den abgasführenden Rohren (3.2, 3.3, 3.4) und der Batterie (4) positionierbar ist, dadurch gekennzeichnet, dass eine Position des Hitzeschilds (5) variabel ist, so dass er zwischen den abgasführenden Rohren (3.2, 3.3, 3.4) und der Batterie (4) platzierbar oder von dort entfernbar ist oder dass der Hitzeschild (5) eine Jalousie umfasst, deren Lamellen geöffnet oder geschlossen werden können, wobei an der Batterie (4) ein oder mehrere Temperatursensoren vorgesehen sind, mit denen Temperaturmesswerte erfassbar sind, anhand deren die Position des mindestens einen Hitzeschilds (5) regelbar ist.Motor vehicle (1) with an internal combustion engine (2), an electric drive motor, an exhaust system (3) and at least one battery (4) designed as a high-voltage battery for operating the electric drive motor, with exhaust pipes (3.2, 3.3, 3.4) of the exhaust system (3) are placed running close to the battery (4), at least one heat shield (5) being provided, which can be positioned between the exhaust pipes (3.2, 3.3, 3.4) and the battery (4), characterized in that a Position of the heat shield (5) is variable, so that it can be placed between the exhaust pipes (3.2, 3.3, 3.4) and the battery (4) or removed from there, or that the heat shield (5) comprises a blind, the slats of which are open or can be closed, one or more temperature sensors being provided on the battery (4), by means of which temperature measured values can be recorded, on the basis of which the position of the at least one heat shield (5) can be regulated i st. Kraftfahrzeug (1) nach Anspruch 1, dadurch gekennzeichnet, dass der Hitzeschild (5) in Richtung einer Hochachse des Kraftfahrzeugs (1) verfahrbar ist.Motor vehicle (1) after Claim 1 , characterized in that the heat shield (5) can be moved in the direction of a vertical axis of the motor vehicle (1).
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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009037012A1 (en) 2009-08-07 2011-02-10 Volkswagen Ag Battery unit for use below rear seat system for supplying energy to electric motor in hybrid vehicle, has battery channel including exhaust pipe channel in which exhaust pipe is arranged, where exhaust pipe includes linear characteristic

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009037012A1 (en) 2009-08-07 2011-02-10 Volkswagen Ag Battery unit for use below rear seat system for supplying energy to electric motor in hybrid vehicle, has battery channel including exhaust pipe channel in which exhaust pipe is arranged, where exhaust pipe includes linear characteristic

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