DE102016010939A1 - Method for operating an electrically driven motor vehicle, electrically driven motor vehicle - Google Patents
Method for operating an electrically driven motor vehicle, electrically driven motor vehicle Download PDFInfo
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- DE102016010939A1 DE102016010939A1 DE102016010939.4A DE102016010939A DE102016010939A1 DE 102016010939 A1 DE102016010939 A1 DE 102016010939A1 DE 102016010939 A DE102016010939 A DE 102016010939A DE 102016010939 A1 DE102016010939 A1 DE 102016010939A1
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- Prior art keywords
- charging
- motor vehicle
- passenger compartment
- air conditioning
- electrics
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/22—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00271—HVAC devices specially adapted for particular vehicle parts or components and being connected to the vehicle HVAC unit
- B60H1/00278—HVAC devices specially adapted for particular vehicle parts or components and being connected to the vehicle HVAC unit for the battery
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00357—Air-conditioning arrangements specially adapted for particular vehicles
- B60H1/00385—Air-conditioning arrangements specially adapted for particular vehicles for vehicles having an electrical drive, e.g. hybrid or fuel cell
- B60H1/00392—Air-conditioning arrangements specially adapted for particular vehicles for vehicles having an electrical drive, e.g. hybrid or fuel cell for electric vehicles having only electric drive means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
- B60H1/00735—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models
- B60H1/00764—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models the input being a vehicle driving condition, e.g. speed
- B60H1/00778—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models the input being a vehicle driving condition, e.g. speed the input being a stationary vehicle position, e.g. parking or stopping
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/02—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant
- B60H1/14—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant otherwise than from cooling liquid of the plant, e.g. heat from the grease oil, the brakes, the transmission unit
- B60H1/143—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant otherwise than from cooling liquid of the plant, e.g. heat from the grease oil, the brakes, the transmission unit the heat being derived from cooling an electric component, e.g. electric motors, electric circuits, fuel cells or batteries
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00271—HVAC devices specially adapted for particular vehicle parts or components and being connected to the vehicle HVAC unit
- B60H2001/003—Component temperature regulation using an air flow
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/22—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant
- B60H2001/2246—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant obtaining information from a variable, e.g. by means of a sensor
- B60H2001/2253—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant obtaining information from a variable, e.g. by means of a sensor related to an operational state of the vehicle or a vehicle component
Abstract
Beschrieben wird ein Verfahren zum Betrieb eines elektrisch angetriebenen Kraftfahrzeuges (2), das wenigstens einen Elektroantrieb (4) sowie wenigstens eine Akkumulatoranordnung (8) zur Energieversorgung des wenigstens einen Elektroantriebs (4) aufweist, wobei eine Ladeelektrik (10) mit einem Ladeanschluss (12) zum Laden der wenigstens einen Akkumulatoranordnung (8) vorgesehen ist, wobei das Kraftfahrzeug (2) eine Passagierraumklimaanlage (20) aufweist, wobei während des Ladens an der Ladeelektrik (10) entstehende Wärmeenergie von der Ladeelektrik (10) über die Passagierraumklimaanlage (20) abgeführt wird. Beschrieben wird desweiteren ein Kraftfahrzeug (2).A method is described for operating an electrically driven motor vehicle (2) which has at least one electric drive (4) and at least one accumulator arrangement (8) for supplying energy to the at least one electric drive (4), wherein a charging electrics (10) having a charging connection (12 ) is provided for charging the at least one accumulator assembly (8), wherein the motor vehicle (2) comprises a passenger compartment air conditioning system (20), wherein thermal energy arising during charging on the charging electrics (10) from the charging electrics (10) via the passenger compartment air conditioning system (20) is dissipated. Described is further a motor vehicle (2).
Description
Nachfolgend werden ein Verfahren zum Betrieb eines elektrisch angetriebenen Kraftfahrzeugs sowie ein elektrisch angetriebenes Kraftfahrzeug beschrieben. Das elektrisch angetriebene Kraftfahrzeug weist wenigstens einen Elektroantrieb sowie wenigstens eine Akkumulatoranordnung zur Energieversorgung des wenigstens einen Elektroantriebs auf.The following describes a method for operating an electrically driven motor vehicle and an electrically driven motor vehicle. The electrically driven motor vehicle has at least one electric drive and at least one accumulator arrangement for supplying energy to the at least one electric drive.
Verfahren und Kraftfahrzeuge der eingangs genannten Art sind im Stand der Technik bekannt. Elektrisch angetriebene Kraftfahrzeuge mit an Bord befindlichen Energiequellen in Form von Akkumulatoren sind seit einigen Jahren im Einsatz. Dabei ist bekannt, die Akkumulatoren mittels stationärer Ladeeinrichtungen, sogenannte Ladestationen, zu laden. Da der Ladevorgang eines elektrisch geladenen Kraftfahrzeugs verglichen mit dem Betanken eines Kraftfahrzeugs mit fossilen Brennstoffen verhältnismäßig lange dauert, besteht das Bestreben, den Ladevorgang auf das technisch mögliche Minimum des Zeitbedarfs zu reduzieren. Dies bedingt sehr hohe Leistungen in der Ladeelektrik. Durch die Verlustleistung erwärmt sich die Ladeelektrik beim Laden erheblich, was einerseits zu Lasten der Haltbarkeit der Ladeelektrik geht und andererseits die Ladeströme begrenzt.Methods and motor vehicles of the type mentioned are known in the art. Electrically powered vehicles with on-board energy sources in the form of accumulators have been in use for several years. It is known to charge the batteries by means of stationary charging devices, so-called charging stations. Since the charging of an electrically charged motor vehicle takes relatively long compared to the refueling of a motor vehicle with fossil fuels, there is a desire to reduce the charging process to the technically possible minimum of the time required. This requires very high performance in the charging electrical system. Due to the power loss, the charging electrical system heats up considerably when charging, which on the one hand is at the expense of the durability of the charging electrics and on the other hand limits the charging currents.
Aus der
Somit stellt sich die Aufgabe, Verfahren der eingangs genannten Art sowie Kraftfahrzeuge der eingangs genannten Art dahingehend weiterzubilden, dass eine Kühlung der Ladeelektrik mit minimalen Bauteilaufwand zu ermöglichen.Thus, the task of developing methods of the type mentioned as well as motor vehicles of the type mentioned in such a way that to allow cooling of the charging electrics with minimal component complexity.
Die Aufgabe wird gelöst durch ein Verfahren zum Betrieb eines elektrisch angetriebenen Kraftfahrzeugs gemäß Anspruch 1 sowie durch ein Kraftfahrzeug gemäß dem nebengeordneten Anspruch 5. Weiterführende Ausgestaltungen des Verfahrens und des Kraftfahrzeugs sind Gegenstand der jeweiligen abhängigen Ansprüche.The object is achieved by a method for operating an electrically driven motor vehicle according to claim 1 and by a motor vehicle according to the independent claim 5. Further embodiments of the method and of the motor vehicle are the subject of the respective dependent claims.
Nachfolgend wird ein Verfahren zum Betrieb eines elektrisch angetriebenen Kraftfahrzeugs beschrieben. Das elektrisch angetriebene Kraftfahrzeug weist wenigstens einen Elektroantrieb sowie wenigstens eine Akkumulatoranordnung zur Energieversorgung des wenigstens einen Elektroantriebs auf, wobei eine Ladeelektrik zum Laden der wenigstens einen Akkumulatoranordnung vorgesehen ist. Die Ladeelektrik weist einen Ladeanschluss zum Verbinden mit einer Ladestation auf.Hereinafter, a method for operating an electrically driven motor vehicle will be described. The electrically driven motor vehicle has at least one electric drive and at least one accumulator arrangement for supplying energy to the at least one electric drive, wherein a charging electrics is provided for charging the at least one accumulator arrangement. The charging electrical system has a charging connection for connecting to a charging station.
Das Kraftfahrzeug weist des Weiteren eine Passagierraumklimaanlage auf, die zum Klimatisieren eines Passagierraums dient. Die Klimaanlage kann gemäß dem Stand der Technik ausgerüstet sein. Hier sind u. a. Klimaanlagen bekannt, die einen Kühlmittelkreislauf mit Kompressor, Expansionsventil, Verdampfer und Wärmetauschern besitzen.The motor vehicle furthermore has a passenger compartment air conditioning system, which is used to air-condition a passenger compartment. The air conditioner may be equipped according to the prior art. Here are u. a. Air conditioning systems are known which have a refrigerant circuit with compressor, expansion valve, evaporator and heat exchangers.
Des Weiteren ist vorgesehen, dass während des Ladens an der Ladeelektrik entstehende Wärmeenergie von der Ladeelektrik über die Passagierraumklimaanlage abgeführt wird. Auf diese Weise kann die Passagierraumklimaanlage dazu verwendet werden, die Ladeelektrik zu kühlen.Furthermore, it is provided that heat energy arising during charging at the charging electrics is dissipated from the charging electrics via the passenger compartment air conditioning system. In this way, the passenger compartment air conditioning system can be used to cool the charging electrical system.
Das Vorsehen einer zusätzlichen Kühlung für die Ladeelektrik kann somit vermieden werden. Stattdessen kann eine ohnehin in den mittlerweile meisten Kraftfahrzeugen vorhandene Passagierraumklimaanlage zusätzlich dazu verwendet werden, die Ladeelektrik zu kühlen. Darüber hinaus kann gleichzeitig eine Klimatisierung des Passagierraums bei stehendem Kraftfahrzeug vorgenommen werden, was insbesondere im beruflichen Kraftverkehr von Vorteil ist, in dem, insbesondere im Bereich der Passagierbeförderung, große Passagierraumvolumina klimatisiert werden müssen und die Ladezeiten möglichst gering gehalten werden sollen.The provision of additional cooling for the charging electrical system can thus be avoided. Instead, an existing passenger compartment air conditioning system, which is already present in most motor vehicles, can be used in addition to cool the charging electrics. In addition, at the same time an air conditioning of the passenger compartment can be made when the motor vehicle, which is particularly advantageous in professional motor transport, in which, especially in the field of passenger transport, large passenger compartment volumes must be air conditioned and the loading times should be kept as low as possible.
In einer ersten weiterführenden Ausgestaltung kann die Wärmeenergie der Ladeelektrik mittels wenigstens eines Wärmeleiters an die Passagierraumklimaanlage geleitet werden. Der Wärmeleiter kann verschiedene Wärmetransportprinzipien verwenden, beispielsweise Wärmeleitung, Wärmestrahlung oder Konvektion. Auf diese Weise kann die an der Ladeelektrik entstehende Energie abgeführt werden. Der Wärmeleiter kann beispielsweise in Form einer Kaltluftleitung ausgestaltet sein. Somit kann kalte Luft zum Kühlen der Ladeelektrik von der Passagierraumklimaanlage bereitgestellt werden.In a first further embodiment, the heat energy of the charging electrical system can be conducted to the passenger compartment air conditioning system by means of at least one heat conductor. The heat conductor can use various heat transport principles, such as heat conduction, heat radiation or convection. In this way, the energy produced at the charging electrics can be dissipated. The heat conductor can be configured for example in the form of a cold air line. Thus, cold air may be provided for cooling the charging electrical system from the passenger compartment air conditioning system.
In einer anderen weiterführenden Ausgestaltung kann vorgesehen sein, dass die Passagierraumklimaanlage während des Ladens in Betrieb ist. Auf diese Weise kann eine bessere aktive Kühlung erreicht werden. Zudem kann die Klimatisierung des Passagierraums fortgesetzt werden, während das Kraftfahrzeug geladen wird. Hierdurch ist es nach Abschluss des Ladevorgangs komfortabel einsetzbar.In another further embodiment, it can be provided that the passenger compartment air conditioning system is in operation during charging. In this way, a better active cooling can be achieved. In addition, the air conditioning of the passenger compartment can be continued while the motor vehicle is being charged. This makes it convenient to use after charging is complete.
In einer anderen weiterführenden Ausgestaltung kann Luft mit einer Temperatur unterhalb der Umgebungstemperatur von der Passagierraumklimaanlage zur Ladeelektrik befördert werden. Hiermit lässt sich die Ladeelektrik effektiv kühlen.In another further embodiment, air with a temperature below the ambient temperature can be transported from the passenger compartment air conditioning system to the charging electrical system. This allows the charging electrics to effectively cool.
Ein erster unabhängiger Gegenstand betrifft ein Kraftfahrzeug, das wenigstens einen Elektroantrieb sowie wenigstens eine Akkumulatoranordnung zur Energieversorgung des wenigstens einen Elektroantriebs aufweist, wobei eine Ladeelektrik mit Ladeanschluss zum Laden der wenigstens einen Akkumulatoranordnung vorgesehen ist, wobei das Kraftfahrzeug weiterhin eine Passagierraumklimaanlage aufweist. Des Weiteren ist vorgesehen, dass die Ladeelektrik und die Passagierraumklimaanlage über einen Wärmeleiter thermisch miteinander gekoppelt sind. Auf diese Weise kann die Ladeelektrik durch die Passagierraumklimaanlage effektiv gekühlt werden. A first independent subject relates to a motor vehicle which has at least one electric drive and at least one accumulator arrangement for supplying energy to the at least one electric drive, wherein a charging electrics with charging connection for charging the at least one accumulator arrangement is provided, wherein the motor vehicle further comprises a passenger compartment air conditioning system. Furthermore, it is provided that the charging electrical system and the passenger compartment air conditioning system are thermally coupled to one another via a heat conductor. In this way, the charging electrics can be effectively cooled by the passenger compartment air conditioning.
In einer ersten weiterführenden Ausgestaltung kann vorgesehen sein, dass der Wärmeleiter eine Kühlluftleitung aufweist. Hierdurch kann kühle Luft zum Kühlen der Ladeelektrik von der Passagierraumklimaanlage zur Ladeelektrik transportiert werden. Dies reduziert den Platzbedarf zur Implementierung einer Kühlung der Ladeelektrik über die Passagierraumklimaanlage.In a first further embodiment, it can be provided that the heat conductor has a cooling air line. As a result, cool air for cooling the charging electrical system can be transported from the passenger compartment air conditioning system to the charging electrical system. This reduces the space required to implement cooling of the charging electrical system via the passenger compartment air conditioning system.
In einer anderen weiterführenden Ausgestaltung kann vorgesehen sein, dass die Ladeelektrik mit einem Wärmetauscher thermisch gekoppelt ist. Der Wärmetauscher dient zur effektiven Wärmeabfuhr von der Ladeelektrik. Der Wärmetauscher kann nach verschiedenen Prinzipien aufgebaut sein, beispielsweise in Form von Kühlrippen, die von einer Kühlluftleitung angeströmt werden oder in Form von Kühlschlangen, die Kühlmittel leiten. Auch Kombinationen der vorgenannten Wärmetauscher sind denkbar.In another further embodiment, it can be provided that the charging electrical system is thermally coupled to a heat exchanger. The heat exchanger is used for effective heat dissipation from the charging electronics. The heat exchanger can be constructed according to various principles, for example in the form of cooling fins, which are impinged by a cooling air line or in the form of cooling coils, which conduct coolant. Combinations of the aforementioned heat exchangers are conceivable.
In einer anderen weiterführenden Ausgestaltung kann vorgesehen sein, dass die Ladeelektrik einen Ladeanschluss, Verkabelung und/oder Leistungselektrik aufweist. Diese Komponenten sind beim Laden thermisch besonders belastet.In another further embodiment, it can be provided that the charging electrical system has a charging connection, cabling and / or power electronics. These components are particularly stressed during charging thermally.
In einer anderen weiterführenden Ausgestaltung kann vorgesehen sein, dass die Passagierraumklimaanlage elektrisch antreibbar ist. Auf diese Weise kann die Passagierraumklimaanlage zumindest für die Zeit des Ladevorgangs ohne laufendes Antriebsaggregat betrieben werden.In another further embodiment, it may be provided that the passenger compartment air conditioning system is electrically drivable. In this way, the passenger compartment air conditioning system can be operated at least for the time of charging without running drive unit.
In einer anderen weiterführenden Ausgestaltung kann eine Steuerung vorgesehen sein, die zur Steuerung der Kühlung der Ladeelektrik eingerichtet ist. Eine solche Steuerung kann beispielsweise Temperatursensorik aufweisen, mittels derer eine Temperatur der Ladeelektrik gemessen wird. Auf diese Weise kann Beanspruchung von Kühlleistung auf die Zeiten reduziert werden, in denen sie benötigt wird, was den Gesamtenergieverbrauch des Betriebs eines entsprechenden Kraftfahrzeugs reduziert.In another further embodiment, a controller may be provided which is set up to control the cooling of the charging electrics. Such a controller may include, for example, temperature sensors, by means of which a temperature of the charging electrical system is measured. In this way, the demand for cooling power can be reduced to the times when it is needed, which reduces the overall energy consumption of operating a corresponding motor vehicle.
Nachfolgend wird ein Ausführungsbeispiel beschrieben. Dabei zeigen schematisch:Hereinafter, an embodiment will be described. Here are shown schematically:
Der Passagierbus
Die Ladeelektrik
Der Passagierbus
In einem ersten Schritt wird festgestellt, ob das Kraftfahrzeug steht. Ist dies der Fall, wird geprüft, ob ein Ladekabel an dem Ladeanschluss
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
- JP 2002354608 A [0003] JP 2002354608 A [0003]
Claims (10)
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DE102016010939.4A DE102016010939A1 (en) | 2016-09-09 | 2016-09-09 | Method for operating an electrically driven motor vehicle, electrically driven motor vehicle |
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DE102016010939.4A DE102016010939A1 (en) | 2016-09-09 | 2016-09-09 | Method for operating an electrically driven motor vehicle, electrically driven motor vehicle |
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Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002354608A (en) | 2001-05-28 | 2002-12-06 | Honda Motor Co Ltd | Battery cooling device for electric automobile |
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Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2002354608A (en) | 2001-05-28 | 2002-12-06 | Honda Motor Co Ltd | Battery cooling device for electric automobile |
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