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WO2008011959A1 - Motor vehicle - Google Patents

Motor vehicle Download PDF

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Publication number
WO2008011959A1
WO2008011959A1 PCT/EP2007/005803 EP2007005803W WO2008011959A1 WO 2008011959 A1 WO2008011959 A1 WO 2008011959A1 EP 2007005803 W EP2007005803 W EP 2007005803W WO 2008011959 A1 WO2008011959 A1 WO 2008011959A1
Authority
WO
WIPO (PCT)
Prior art keywords
motor vehicle
housing
voltage
unit
vehicle according
Prior art date
Application number
PCT/EP2007/005803
Other languages
German (de)
French (fr)
Inventor
Naser Abu Daqqa
Arnold Klimas
Van Dung Nguyen
Original Assignee
Daimler Ag
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Daimler Ag filed Critical Daimler Ag
Publication of WO2008011959A1 publication Critical patent/WO2008011959A1/en

Links

Classifications

    • 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
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/42—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
    • B60K6/48—Parallel type
    • 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
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
    • B60K6/40—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the assembly or relative disposition of components
    • B60K6/405—Housings
    • 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
    • B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
    • B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
    • B60L3/003—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to inverters
    • 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
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/10—Electric propulsion with power supplied within the vehicle using propulsion power supplied by engine-driven generators, e.g. generators driven by combustion engines
    • B60L50/16—Electric propulsion with power supplied within the vehicle using propulsion power supplied by engine-driven generators, e.g. generators driven by combustion engines with provision for separate direct mechanical propulsion
    • 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
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
    • B60L50/61—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries by batteries charged by engine-driven generators, e.g. series hybrid electric vehicles
    • 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
    • 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
    • B60L2240/52—Drive Train control parameters related to converters
    • B60L2240/525—Temperature of converter or components thereof
    • 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
    • Y02T10/62—Hybrid vehicles
    • 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
    • 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
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors

Definitions

  • the invention relates to a motor vehicle according to the preamble of claim 1.
  • Vehicles with an internal combustion engine and an electric machine by means of which the vehicle can be driven, have power electronics for forming and switching electrical energy and for controlling the electric machine.
  • the electrical energy is present in the form of high electrical currents and voltages.
  • the power electronics enable the conversion of electrical energy of a certain voltage and frequency into another voltage amplitude and / or frequency.
  • the power electronics convert the DC voltage of the battery in three-phase AC voltage for motor operation of the three-phase machine and the conversion of the three-phase AC voltage to DC voltage during generator operation of the three-phase machine.
  • the power electronics are placed in the vicinity of the electric machine to keep the length of the AC voltage wiring short, and so on For example, to keep the possible voltage drop in the AC wiring low.
  • the electric machine in the vehicle transmission power electronics is attached to the transmission housing.
  • Such an arrangement in a hybrid vehicle is known for example from DE 197 47 265 Al.
  • the object of the invention is to propose a cost-effective power electronics for a motor vehicle that can be driven by an internal combustion engine and / or an electric machine.
  • the object is achieved by the features of claim 1.
  • the power electronics which includes a high-voltage supply line, a DC actuator unit with a low-voltage output, an inverter unit that converts the DC voltage of an energy storage in AC voltage for an auxiliary unit, and a DC controller unit and / or the inverter unit associated with the first control unit, as a module MO trained.
  • This expensive expensive high-voltage wiring and expensive contacts are advantageously minimized and thus saved costs. Likewise, this advantageously increases the reliability.
  • the short high-voltage wiring also reduces the dangers of high voltages, especially in the event of an accident, but also for repairs. Due to this lower risk, not so extensive protective measures are required, which leads to a cost saving.
  • the aforementioned elements of the power electronics are arranged within a housing, whereby the risk of high voltage can be further reduced.
  • the elements of the power electronics may advantageously be arranged within the housing, a cooling unit.
  • the expensive high-voltage wiring can be further minimized. Likewise, this reduces the danger emanating from the high-voltage wiring.
  • the cooling unit of the second housing can be thermally coupled to the cooling unit of the first housing. This can be done by a common cooling circuit or for example by heat exchangers.
  • FIG. 1 is a plan view of a schematic embodiment of a motor vehicle according to the invention.
  • Fig. 2 shows a cross section of another embodiment of a motor vehicle according to the invention.
  • Fig. 3 is a longitudinal section of another embodiment of a motor vehicle according to the invention.
  • FIG. 1 shows an embodiment of a vehicle according to the invention with a frame structure R, Rl for mounting the modules designed as a module MO power electronics LE, which may be surrounded by a housing G, not shown.
  • the frame R is mechanically connected to a right and left Federbeindom FR, FL.
  • a cooler bridge KB two struts Sl, S2 are shown in Figure 1, which are mechanically connected to the frame R.
  • the power electronics LE according to Figure 1 has two units Bl, B2, to the attachment of the frame R is formed with a strut Rl. These units Bl, B2 would in a two-part design of the housing G, not shown, in each case in the parts Gl, G2, as shown in Figure 2, arranged.
  • the power electronics LE designed as a module MO is shown in FIG. 1 as a structural unit B2 and comprises a power distribution unit PDU, a DC-DC converter.
  • unit APM with a low-voltage output NVl which is connected to a low-voltage battery or directly to electrical loads
  • a second inverter unit EMPI which converts the DC voltage of the high-voltage battery into AC voltage for an additional unit, in particular a gearbox oil pump EMP
  • a connection SL for a signal line is indicated by a connection SL for a signal line.
  • the power distribution unit PDU is connected via a high-voltage line HV2 to a refrigerant compressor KMV of the vehicle's air conditioning system, this serving as an example for further electrical consumers. Likewise, the power distribution unit PDU is connected to the DC actuator unit APM via a further high-voltage line HV3.
  • the DC actuator unit APM is connected to the transmission oil pump EMP via a high-voltage line HV4.
  • this has a cooling unit whose connections are numbered K2 and K3. These may be connected to a separate cooling circuit or connected to a cooling unit of the unit Bl.
  • the unit Bl of the power electronics LE has an inverter unit TPIM, which converts the DC voltage of an energy storage into AC voltage for an electric machine and vice versa.
  • TPIM inverter unit
  • the connections Ul, Vl, Wl are shown, which are connected to a first electric machine or three-phase machine, and the connections U2, V2, W2, which are connected to a second electric machine.
  • the Terminals BA1, BA2 are connected to a high-voltage battery.
  • High voltage Voltages above 100 V, in particular around 300 V nominal voltage, are referred to as high voltage.
  • low voltage means a voltage of about 12 to 15 volts.
  • the assembly Bl has a high-voltage electrical connection HVl with the module MO or the assembly B2, but rather the power distribution unit PDU contained therein.
  • the assembly Bl also includes a cooling unit for cooling the power electronics LE of the unit Bl. Corresponding connections to a cooling circuit are quantified in FIG.
  • the power distribution unit PDU As indicated by the dashed line, it is also possible to form the power distribution unit PDU as a separate unit, which would then be arranged in a third part of the housing G, not shown.
  • a cooling of the third unit would be carried out according to the units Bl, B2.
  • Figure 2 shows a perspective front view of a cross section of another embodiment of a motor vehicle according to the invention with an internal combustion engine VM, an electric machine (not shown) and the power electronics LE, in a housing G, consisting of two parts Gl 7 G2 is composed, is arranged.
  • the power electronics LE is arranged above the internal combustion engine VM, in particular it is arranged such that the projected horizontal surfaces of the power electronics LE and of the internal combustion engine VM overlap in the vertical direction. Likewise, an arrangement is possible in which the projected horizontal surfaces overlap only to a lesser extent or do not overlap, if allowed by the available space.
  • the housing G has a minimum distance to the hood M on. This minimum distance is necessary to meet the required pedestrian protection.
  • the housing G is formed with respect to hood M and engine VM, that the available space can be used as well as possible.
  • the housing G shown in Figure 2 is connected via mechanical connections to the right and left Federbeindom FR, FL. Further connections to the body, in particular as already illustrated in FIG. 1 with the radiator bridge KB, are possible in order to compensate in particular for forces in the longitudinal direction of the vehicle.
  • the mechanical connections themselves and / or the contact points with the housing G and / or with the body may have corresponding known means.
  • the power electronics LE is also disposed within a housing G, which is located above the engine VM and has a minimum distance to the hood M. While in Figure 2, the approximation of the shape of the housing G was indicated to the engine VM, Figure 3 shows an approximation of the shape of the hood M. A combination Of course, both are possible.
  • the housing G has a mechanical connection with the radiator bridge KB, which is arranged in the vehicle transverse direction above the radiator grille and represents a part of the body, which receives, for example, the hood lock.
  • a mechanical connection with the cooler bridge KB is particularly advantageous because of the given accessibility from the housing G, but the housing G can also be connected to other points of the body.
  • the mechanical connection particularly advantageously has means for suppressing vibrations. This may be vibrations that are generated by the internal combustion engine VM or the drive train and could damage the power electronics LE or the electrical wiring. But it may also be, in particular higher-frequency, vibrations that are generated by the power electronics LE and could negatively impact other elements or could negatively influence the comfort of the driver by forwarding to the body.

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

The invention relates to a motor vehicle having an internal combustion engine, an electric machine and power electronics, wherein the motor vehicle can be driven by the internal combustion engine and/or the electric machine. In order to keep the power electronics cost-effective, the power electronics, the one high-voltage feeder line (HV1), a direct current chopper unit (APM) with a low voltage output (NV1), an inverter unit (EMPI) which converts the direct voltage of an energy store to an alternating voltage for an accessory unit (EMP), and a first control unit which is assigned to the direct current chopper unit (APM) and/or the inverter unit (EMPI) are embodied as a module (MO).

Description

Kraftfahrzeug motor vehicle
Die Erfindung betrifft ein Kraftfahrzeug nach dem Oberbegriff des Anspruchs 1.The invention relates to a motor vehicle according to the preamble of claim 1.
Fahrzeuge mit einem Verbrennungsmotor und einer Elektro- maschine, durch die das Fahrzeug angetrieben werden kann, weisen zur Umformung und Schaltung von elektrischer Energie sowie zur Steuerung der Elektromaschine eine Leistungs- elektronik auf. Die elektrische Energie liegt hierbei in Form hoher elektrischer Ströme und Spannungen vor. Die Leistungselektronik ermöglicht vor allem die Umwandlung elektrischer Energie einer bestimmten Spannung und Frequenz in eine andere Spannungsamplitude und/oder Frequenz.Vehicles with an internal combustion engine and an electric machine, by means of which the vehicle can be driven, have power electronics for forming and switching electrical energy and for controlling the electric machine. The electrical energy is present in the form of high electrical currents and voltages. Above all, the power electronics enable the conversion of electrical energy of a certain voltage and frequency into another voltage amplitude and / or frequency.
Bei der Verwendung einer Batterie als elektrischer Energiespeicher und einer Drehstrommaschine als Elektromaschine dient die Leistungselektronik der Umwandlung der Gleichspannung der Batterie in Drei-Phasen-Wechselspannung zum motorischen Betrieb der Drehstrommaschine sowie der Umwandlung der Drei -Phasen-WechselSpannung in Gleichspannung beim generatorischen Betrieb der Drehstrommaschine.When using a battery as an electrical energy storage and a three-phase machine as an electric machine, the power electronics convert the DC voltage of the battery in three-phase AC voltage for motor operation of the three-phase machine and the conversion of the three-phase AC voltage to DC voltage during generator operation of the three-phase machine.
Bei bekannten Fahrzeugen wird die Leistungselektronik in der Nähe der Elektromaschine angeordnet, um die Länge der WechselSpannungsverdrahtung kurz zu halten und so beispielsweise den möglichen Spannungsabfall in der Wechselspannungsverdrahtung gering zu halten. Bei einer Integration der Elektromaschine in das Fahrzeuggetriebe wird die Leistungselektronik am Getriebegehäuse befestigt.In known vehicles, the power electronics are placed in the vicinity of the electric machine to keep the length of the AC voltage wiring short, and so on For example, to keep the possible voltage drop in the AC wiring low. In an integration of the electric machine in the vehicle transmission power electronics is attached to the transmission housing.
Eine solche Anordnung in einem Hybridfahrzeug ist beispielsweise aus der DE 197 47 265 Al bekannt.Such an arrangement in a hybrid vehicle is known for example from DE 197 47 265 Al.
Weitere Elemente der Leistungselektronik, wie beispielsweise Wechselrichtereinheiten für Zusatzaggregate, Gleichstromstellereinheiten oder Steuereinheiten, werden bei bekannten Fahrzeugen entsprechend kleinerer, zur Verfügung stehender Bauräume über das Fahrzeug verteilt angeordnet. Hierfür sind nachteilig lange elektrische Verdrahtungen notwendig. Des Weiteren können sich lange elektrische Hochvolt-Verdrahtungen als besondere Gefahrenquelle im Falle eines Unfalls erweisen. Entsprechende Schutzmaßnahmen sowie lange elektrische Hochvolt-Verdrahtungen verursachen erhebliche Kosten.Further elements of the power electronics, such as, for example, inverter units for auxiliary units, DC-controller units or control units, are distributed in known vehicles correspondingly smaller, available installation spaces over the vehicle. This disadvantageously long electrical wiring is necessary. Furthermore, long electrical high-voltage wiring can prove to be a particular source of danger in the event of an accident. Corresponding protective measures as well as long electrical high-voltage wiring cause considerable costs.
Aufgabe der Erfindung ist es, eine kostengünstige Leistungselektronik für ein Kraftfahrzeug, das durch einen Verbrennungsmotor und/oder eine Elektromaschine antreibbar ist, vorzuschlagen.The object of the invention is to propose a cost-effective power electronics for a motor vehicle that can be driven by an internal combustion engine and / or an electric machine.
Erfindungsgemäß wird die Aufgabe durch die Merkmale des Anspruchs 1 gelöst. Hierbei ist die Leistungselektronik, die eine Hochvolt-Zuleitung, eine Gleichstromstellereinheit mit einem Niedervolt-Ausgang, eine Wechselrichtereinheit, die die Gleichspannung eines Energiespeichers in Wechselspannung für ein Zusatzaggregat umwandelt, und eine der Gleichstromstellereinheit und/oder der Wechselrichtereinheit zugeordnete erste Steuereinheit umfasst, als Modul MO ausgebildet. Hierbei werden vorteilhaft teure Hochvolt-Verdrahtungen sowie teure Kontaktierungen minimiert und somit Kosten eingespart. Ebenso wird dadurch vorteilhaft die Zuverlässigkeit gesteigert .According to the invention the object is achieved by the features of claim 1. Here, the power electronics, which includes a high-voltage supply line, a DC actuator unit with a low-voltage output, an inverter unit that converts the DC voltage of an energy storage in AC voltage for an auxiliary unit, and a DC controller unit and / or the inverter unit associated with the first control unit, as a module MO trained. This expensive expensive high-voltage wiring and expensive contacts are advantageously minimized and thus saved costs. Likewise, this advantageously increases the reliability.
Die kurzen Hochvolt-Verdrahtungen reduzieren zudem die Gefahren, die von hohen Spannungen, insbesondere im Falle eines Unfalls, aber auch bei Reparaturen, ausgehen. Durch dieses geringere Risiko sind auch nicht so umfangreiche Schutzmaßnahmen erforderlich, was zu einer Kostenersparnis führt .The short high-voltage wiring also reduces the dangers of high voltages, especially in the event of an accident, but also for repairs. Due to this lower risk, not so extensive protective measures are required, which leads to a cost saving.
Vorteilhaft sind die vorgenannten Elemente der Leistungselektronik innerhalb eines Gehäuses angeordnet, wodurch die Hochspannungsgefahr nochmals reduziert werden kann.Advantageously, the aforementioned elements of the power electronics are arranged within a housing, whereby the risk of high voltage can be further reduced.
Zur Kühlung der Elemente der Leistungselektronik kann vorteilhaft innerhalb des Gehäuses eine Kühleinheit angeordnet sein.For cooling the elements of the power electronics may advantageously be arranged within the housing, a cooling unit.
Durch eine mechanische, insbesondere formschlüssige, Verbindbarkeit dieses ersten Gehäuses mit einem zweiten Gehäuse, in dem weitere Leistungselektronik-Elemente angeordnet sind, können die teuren Hochvolt-Verdrahtungen weiter minimiert werden. Ebenso wird dadurch die von den Hochvolt-Verdrahtungen ausgehende Gefahr reduziert.By a mechanical, in particular positive, connectivity of this first housing with a second housing in which further power electronics elements are arranged, the expensive high-voltage wiring can be further minimized. Likewise, this reduces the danger emanating from the high-voltage wiring.
Besonders vorteilhaft ist die Kühleinheit des zweiten Gehäuses mit der Kühleinheit des ersten Gehäuses thermisch koppelbar. Dies kann durch einen gemeinsamen Kühlkreislauf geschehen oder beispielsweise durch Wärmetauscher.Particularly advantageously, the cooling unit of the second housing can be thermally coupled to the cooling unit of the first housing. This can be done by a common cooling circuit or for example by heat exchangers.
Weitere Vorteile der Erfindung gehen aus der Beschreibung und der Zeichnung hervor. Konkrete Ausführungsbeispiele der Erfindung sind in der Zeichnung vereinfacht dargestellt und in der nachfolgenden Beschreibung näher erläutert . Es zeigenFurther advantages of the invention will become apparent from the description and the drawings. Concrete embodiments of the Invention are shown in simplified form in the drawing and explained in more detail in the following description. Show it
Fig. 1 eine Draufsicht auf eine schematische Ausgestaltung eines erfindungsgemäßen Kraftfahrzeuges,1 is a plan view of a schematic embodiment of a motor vehicle according to the invention,
Fig. 2 einen Querschnitt einer weiteren Ausgestaltung eines erfindungsgemäßen Kraftfahrzeuges undFig. 2 shows a cross section of another embodiment of a motor vehicle according to the invention and
Fig. 3 einen Längsschnitt einer weiteren Ausgestaltung eines erfindungsgemäßen Kraftfahrzeuges.Fig. 3 is a longitudinal section of another embodiment of a motor vehicle according to the invention.
Figur 1 zeigt eine Ausgestaltung eines erfindungsgemäßen Fahrzeuges mit einer Rahmenkonstruktion R, Rl zur Befestigung der als Modul MO ausgebildeten Elemente einer Leistungselektronik LE, die durch ein nicht dargestelltes Gehäuse G umgeben sein können.Figure 1 shows an embodiment of a vehicle according to the invention with a frame structure R, Rl for mounting the modules designed as a module MO power electronics LE, which may be surrounded by a housing G, not shown.
Bei dieser beispielhaften Ausgestaltung ist der Rahmen R mechanisch mit einem rechten und linken Federbeindom FR, FL verbunden. Zur mechanischen Anbindung an eine Kühlerbrücke KB sind in Figur 1 zwei Streben Sl, S2 dargestellt, die mit dem Rahmen R mechanisch verbunden sind. Diese mechanischen Verbindungen mit der Karosserie des Fahrzeuges sind vorzugsweise von Schwingungen entkoppelt.In this exemplary embodiment, the frame R is mechanically connected to a right and left Federbeindom FR, FL. For mechanical connection to a cooler bridge KB two struts Sl, S2 are shown in Figure 1, which are mechanically connected to the frame R. These mechanical connections with the body of the vehicle are preferably decoupled from vibrations.
Die Leistungselektronik LE gemäß Figur 1 weist zwei Baueinheiten Bl, B2 auf, zu deren Befestigung der Rahmen R mit einer Strebe Rl ausgebildet ist. Diese Baueinheiten Bl, B2 wären bei einer zweiteiligen Ausführung des nicht dargestellten Gehäuses G jeweils in den Teilen Gl, G2 , wie in Figur 2 dargestellt, angeordnet.The power electronics LE according to Figure 1 has two units Bl, B2, to the attachment of the frame R is formed with a strut Rl. These units Bl, B2 would in a two-part design of the housing G, not shown, in each case in the parts Gl, G2, as shown in Figure 2, arranged.
Die als Modul MO ausgebildete Leistungselektronik LE ist in Figur 1 als Baueinheit B2 dargestellt und umfasst eine Leistungsverteilungseinheit PDU, eine Gleichstromsteller- einheit APM mit einem Niedervolt-Ausgang NVl, der mit einer Niedervolt-Batterie oder direkt mit elektrischen Verbrauchern verbunden ist, eine zweite Wechselrichtereinheit EMPI, die die Gleichspannung der Hochvolt-Batterie in Wechselspannung für ein Zusatzaggregat, insbesondere eine Getriebeölpumpe EMP, umwandelt, sowie eine der Gleichstromstellereinheit APM und/oder der Wechselrichtereinheit EMPI zugeordnete (nicht dargestellte) erste Steuereinheit. Diese Steuerung ist durch einen Anschluss SL für eine Signalleitung angedeutet.The power electronics LE designed as a module MO is shown in FIG. 1 as a structural unit B2 and comprises a power distribution unit PDU, a DC-DC converter. unit APM with a low-voltage output NVl, which is connected to a low-voltage battery or directly to electrical loads, a second inverter unit EMPI, which converts the DC voltage of the high-voltage battery into AC voltage for an additional unit, in particular a gearbox oil pump EMP, and a the DC controller unit APM and / or the inverter unit EMPI associated (not shown) first control unit. This control is indicated by a connection SL for a signal line.
Die Leistungsverteilungseinheit PDU ist über eine Hochvolt- Leitung HV2 mit einem Kältemittelverdichter KMV der Klimaanlage des Fahrzeuges verbunden, wobei dieser beispielhaft für weitere elektrische Verbraucher steht. Ebenso ist die Leistungsverteilungseinheit PDU über eine weitere Hochvolt-Leitung HV3 mit der Gleichstromstellereinheit APM verbunden.The power distribution unit PDU is connected via a high-voltage line HV2 to a refrigerant compressor KMV of the vehicle's air conditioning system, this serving as an example for further electrical consumers. Likewise, the power distribution unit PDU is connected to the DC actuator unit APM via a further high-voltage line HV3.
Die Gleichstromstellereinheit APM ist über eine Hochvolt- Leitung HV4 mit der Getriebeölpumpe EMP verbunden.The DC actuator unit APM is connected to the transmission oil pump EMP via a high-voltage line HV4.
Zur Kühlung der Baueinheit B2 weist diese eine Kühleinheit auf, deren Anschlüsse mit K2 und K3 beziffert sind. Diese können an einen separaten Kühlkreislauf angeschlossen sein oder mit einer Kühleinheit der Baueinheit Bl verbunden sein.To cool the assembly B2, this has a cooling unit whose connections are numbered K2 and K3. These may be connected to a separate cooling circuit or connected to a cooling unit of the unit Bl.
Die Baueinheit Bl der Leistungselektronik LE weist eine Wechselrichtereinheit TPIM auf, die die Gleichspannung eines Energiespeichers in Wechselspannung für eine Elektromaschine umwandelt und umgekehrt. Beispielhaft sind die Anschlüsse Ul, Vl, Wl dargestellt, die mit einer ersten Elektromaschine bzw. Drehstrommaschine verbunden sind, und die Anschlüsse U2 , V2 , W2 , die mit einer zweiten Elektromaschine verbunden sind. Die Anschlüsse BAl, BA2 sind mit einer Hochvolt-Batterie verbunden .The unit Bl of the power electronics LE has an inverter unit TPIM, which converts the DC voltage of an energy storage into AC voltage for an electric machine and vice versa. By way of example, the connections Ul, Vl, Wl are shown, which are connected to a first electric machine or three-phase machine, and the connections U2, V2, W2, which are connected to a second electric machine. The Terminals BA1, BA2 are connected to a high-voltage battery.
Als Hochvolt werden Spannungen oberhalb von 100 V, insbesondere um 300 V Nennspannung, bezeichnet. Wohingegen Niedervolt eine Spannung von etwa 12 bis 15 V meint.Voltages above 100 V, in particular around 300 V nominal voltage, are referred to as high voltage. Whereas low voltage means a voltage of about 12 to 15 volts.
Des Weiteren weist die Baueinheit Bl eine elektrische Hochvolt-Verbindung HVl mit dem Modul MO bzw. der Baueinheit B2, vielmehr der darin enthaltenen Leistungsverteilungs- einheit PDU, auf.Furthermore, the assembly Bl has a high-voltage electrical connection HVl with the module MO or the assembly B2, but rather the power distribution unit PDU contained therein.
Die Baueinheit Bl umfasst ebenfalls eine Kühleinheit zur Kühlung der Leistungselektronik LE der Baueinheit Bl. Entsprechende Anschlüsse an einen Kühlkreislauf sind in Figur 1 mit Kl beziffert.The assembly Bl also includes a cooling unit for cooling the power electronics LE of the unit Bl. Corresponding connections to a cooling circuit are quantified in FIG.
Wie durch die gestrichelte Linie angedeutet, ist es ebenfalls möglich die Leistungsverteilungseinheit PDU als separate Baueinheit auszubilden, die dann in einem dritten Teil des nicht dargestellten Gehäuses G angeordnet wäre.As indicated by the dashed line, it is also possible to form the power distribution unit PDU as a separate unit, which would then be arranged in a third part of the housing G, not shown.
Eine Kühlung der dritten Baueinheit wäre entsprechend den Baueinheiten Bl, B2 ausgeführt.A cooling of the third unit would be carried out according to the units Bl, B2.
Anstatt der vorgenannten bevorzugten modulartigen Ausbildung der Elemente der Leistungselektronik LE sind auch andere bauliche Gruppierungen in Baueinheiten möglich.Instead of the aforementioned preferred modular design of the elements of the power electronics LE other structural groups in units are possible.
Figur 2 zeigt aus einer Perspektive von vorne einen Querschnitt einer weiteren Ausgestaltung eines erfindungsgemäßen Kraftfahrzeuges mit einem Verbrennungsmotor VM, einer Elektromaschine (nicht dargestellt) sowie der Leistungselektronik LE, die in einem Gehäuse G, das aus zwei Teilen Gl7 G2 besteht, angeordnet ist. Die Leistungselektronik LE ist oberhalb des Verbrennungsmotors VM angeordnet, insbesondere ist sie derart angeordnet, dass sich die projizierten waagerechten Flächen der Leistungselektronik LE und des Verbrennungsmotors VM in vertikaler Richtung überlappen. Ebenso ist eine Anordnung möglich, bei der sich die projizierten waagrechten Flächen nur in einem geringeren Maße überlappen oder gar nicht überlappen, wenn dies der zur Verfügung stehende Bauraum zulässt. Das Gehäuse G weist einen Mindestabstand zur Motorhaube M auf . Dieser Mindestabstand ist notwendig, um dem erforderlichen Fußgängerschütz gerecht zu werden. Das Gehäuse G ist derart bezüglich Motorhaube M und Verbrennungsmotor VM ausgeformt, dass der zur Verfügung stehende Bauraum möglichst gut ausgenutzt werden kann.Figure 2 shows a perspective front view of a cross section of another embodiment of a motor vehicle according to the invention with an internal combustion engine VM, an electric machine (not shown) and the power electronics LE, in a housing G, consisting of two parts Gl 7 G2 is composed, is arranged. The power electronics LE is arranged above the internal combustion engine VM, in particular it is arranged such that the projected horizontal surfaces of the power electronics LE and of the internal combustion engine VM overlap in the vertical direction. Likewise, an arrangement is possible in which the projected horizontal surfaces overlap only to a lesser extent or do not overlap, if allowed by the available space. The housing G has a minimum distance to the hood M on. This minimum distance is necessary to meet the required pedestrian protection. The housing G is formed with respect to hood M and engine VM, that the available space can be used as well as possible.
Das in Figur 2 dargestellte Gehäuse G ist über mechanische Verbindungen mit dem rechten und linken Federbeindom FR, FL verbunden. Weitere Verbindungen mit der Karosserie, insbesondere wie in Figur 1 bereits dargestellt mit der Kühlerbrücke KB, sind möglich, um insbesondere Kräfte in Längsrichtung des Fahrzeuges zu kompensieren. Zur Unterdrückung beziehungsweise Entkopplung von Schwingungen können die mechanischen Verbindungen selbst und/oder die Kontaktpunkte mit dem Gehäuse G und/oder mit der Karosserie entsprechende bekannte Mittel aufweisen.The housing G shown in Figure 2 is connected via mechanical connections to the right and left Federbeindom FR, FL. Further connections to the body, in particular as already illustrated in FIG. 1 with the radiator bridge KB, are possible in order to compensate in particular for forces in the longitudinal direction of the vehicle. For suppressing or decoupling vibrations, the mechanical connections themselves and / or the contact points with the housing G and / or with the body may have corresponding known means.
Bei dem in Figur 3 dargestellten Längsschnitt einer weiteren Ausgestaltung eines erfindungsgemäßen Kraftfahrzeuges ist die Leistungselektronik LE ebenfalls innerhalb eines Gehäuses G angeordnet, das sich oberhalb des Verbrennungsmotors VM befindet und einen Mindestabstand zur Motorhaube M aufweist. Während in Figur 2 die Angleichung der Form des Gehäuses G an den Verbrennungsmotor VM angedeutet wurde, zeigt Figur 3 eine Angleichung der Form an die Motorhaube M. Eine Kombination von beidem ist selbstverständlich möglich. Das Gehäuse G weist eine mechanische Verbindung mit der Kühlerbrücke KB, die in Fahrzeugquerrichtung oberhalb des Kühlergrills angeordnet ist und einen Teil der Karosserie darstellt, der beispielsweise die Motorhaubenverriegelung aufnimmt. Eine mechanische Verbindung mit der Kühlerbrücke KB ist aufgrund der gegebenen Zugänglichkeit vom Gehäuse G aus besonders vorteilhaft, jedoch kann das Gehäuse G auch noch mit anderen Punkten der Karosserie verbunden sein. Wie zu Figur 2 erläutert, weist die mechanische Verbindung besonders vorteilhaft Mittel zur Unterdrückung von Schwingungen auf. Hierbei kann es sich um Schwingungen handeln, die durch den Verbrennungsmotor VM oder den Triebstrang erzeugt werden und die Leistungselektronik LE beziehungsweise die elektrische Verdrahtung beschädigen könnten. Es kann sich aber auch um, insbesondere höherfrequente, Schwingungen handeln, die durch die Leistungselektronik LE erzeugt werden und sich negativ auf andere Elemente auswirken könnten oder durch eine Weiterleitung an die Karosserie den Komfort für den Fahrer negativ beeinflussen könnten. In the longitudinal section shown in Figure 3 of another embodiment of a motor vehicle according to the invention, the power electronics LE is also disposed within a housing G, which is located above the engine VM and has a minimum distance to the hood M. While in Figure 2, the approximation of the shape of the housing G was indicated to the engine VM, Figure 3 shows an approximation of the shape of the hood M. A combination Of course, both are possible. The housing G has a mechanical connection with the radiator bridge KB, which is arranged in the vehicle transverse direction above the radiator grille and represents a part of the body, which receives, for example, the hood lock. A mechanical connection with the cooler bridge KB is particularly advantageous because of the given accessibility from the housing G, but the housing G can also be connected to other points of the body. As explained with reference to FIG. 2, the mechanical connection particularly advantageously has means for suppressing vibrations. This may be vibrations that are generated by the internal combustion engine VM or the drive train and could damage the power electronics LE or the electrical wiring. But it may also be, in particular higher-frequency, vibrations that are generated by the power electronics LE and could negatively impact other elements or could negatively influence the comfort of the driver by forwarding to the body.

Claims

Patentansprüche claims
1. Kraftfahrzeug mit einem Verbrennungsmotor (VM) , einer Elektromaschine (EM) , wobei das Kraftfahrzeug durch den Verbrennungsmotor (VM) und/oder die Elektromaschine (EM) antreibbar ist, und einer Leistungselektronik (LE) , dadurch gekennzeichnet, dass die Leistungselektronik (LE) , die eine Hochvolt- Zuleitung, eine Gleichstromstellereinheit (APM) mit einem Niedervolt-Ausgang, eine Wechselrichtereinheit (EMPI), die die Gleichspannung eines Energiespeichers in Wechsel - Spannung für ein Zusatzaggregat umwandelt, und eine der Gleichstromstellereinheit (APM) und/oder der Wechselrichtereinheit (EMPI) zugeordnete erste Steuereinheit umfasst, als Modul (MO) ausgebildet ist.1. Motor vehicle with an internal combustion engine (VM), an electric machine (EM), wherein the motor vehicle by the internal combustion engine (VM) and / or the electric machine (EM) is driven, and a power electronics (LE), characterized in that the power electronics ( LE), which converts a high-voltage supply line, a DC voltage output unit (APM) with a low-voltage output, an inverter unit (EMPI), which converts the DC voltage of an energy storage in alternation - voltage for an auxiliary unit, and one of the DC actuator unit (APM) and / or the inverter unit (EMPI) associated with the first control unit, as a module (MO) is formed.
2. Kraftfahrzeug nach Anspruch 1, dadurch gekennzeichnet, dass das Zusatzaggregat eine Getriebeölpumpe (EMP) ist.2. Motor vehicle according to claim 1, characterized in that the additional unit is a transmission oil pump (EMP).
3. Kraftfahrzeug nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Leistungselektronik (LE) innerhalb eines ersten Gehäuses (G2) angeordnet ist. 3. Motor vehicle according to claim 1 or 2, characterized in that the power electronics (LE) within a first housing (G2) is arranged.
4. Kraftfahrzeug nach Anspruch 3, dadurch gekennzeichnet, dass innerhalb des ersten Gehäuses (G2) eine Kühleinheit zur Kühlung der Leistungselektronik (LE) angeordnet ist.4. Motor vehicle according to claim 3, characterized in that within the first housing (G2), a cooling unit for cooling the power electronics (LE) is arranged.
5. Kraftfahrzeug nach Anspruch 3 oder 4, dadurch gekennzeichnet, dass das erste Gehäuse (G2) mit einem zweiten Gehäuse (Gl) mechanisch verbindbar ist.5. Motor vehicle according to claim 3 or 4, characterized in that the first housing (G2) with a second housing (G) is mechanically connectable.
6. Kraftfahrzeug nach Anspruch 5, dadurch gekennzeichnet, dass das erste Gehäuse (G2) formschlüssig mit dem zweiten Gehäuse (Gl) verbindbar ist.6. Motor vehicle according to claim 5, characterized in that the first housing (G2) is positively connected to the second housing (Gl) connectable.
7. Kraftfahrzeug nach einem der Ansprüche 5 oder 6, dadurch gekennzeichnet, dass innerhalb des zweiten Gehäuses (Gl) eine Leistungs- verteilungseinheit (PDU) mit einem Hochvolt-Eingang von einem Energiespeicher und mindestens einem Hochvolt- Ausgang zu einem elektrischen Verbraucher angeordnet ist.7. Motor vehicle according to one of claims 5 or 6, characterized in that within the second housing (Gl) a power distribution unit (PDU) is arranged with a high-voltage input from an energy storage and at least one high-voltage output to an electrical load.
8. Kraftfahrzeug nach einem der Ansprüche 5 bis 7, dadurch gekennzeichnet, dass innerhalb des zweiten Gehäuses (Gl) eine Wechselrichtereinheit (TPIM) angeordnet ist, die die Gleichspannung eines Energiespeichers in Wechselspannung für die Elektromaschine (EM) umwandelt und umgekehrt.8. Motor vehicle according to one of claims 5 to 7, characterized in that within the second housing (Gl) an inverter unit (TPIM) is arranged, which converts the DC voltage of an energy storage in AC voltage for the electric machine (EM) and vice versa.
9. Kraftfahrzeug nach Anspruch 8, dadurch gekennzeichnet, dass innerhalb des zweiten Gehäuses (Gl) eine der Wechselrichtereinheit (TPIM) zugeordnete zweite Steuereinheit angeordnet ist.9. Motor vehicle according to claim 8, characterized in that within the second housing (Gl) one of Inverter unit (TPIM) associated second control unit is arranged.
10. Kraftfahrzeug nach einem der Ansprüche 5 bis 9, dadurch gekennzeichnet, dass innerhalb des zweiten Gehäuses (Gl) eine Kühleinheit angeordnet ist.10. Motor vehicle according to one of claims 5 to 9, characterized in that within the second housing (Gl), a cooling unit is arranged.
11. Kraftfahrzeug nach einem der Ansprüche 5 bis 10, dadurch gekennzeichnet, dass mindestens ein in dem ersten Gehäuse (G2) angeordnetes Element eine Hochvolt-Verbindung mit mindestens einem in dem zweiten Gehäuse (Gl) angeordneten Element aufweist.11. Motor vehicle according to one of claims 5 to 10, characterized in that at least one arranged in the first housing (G2) element has a high-voltage connection with at least one in the second housing (Gl) arranged element.
12. Kraftfahrzeug nach einem der Ansprüche 10 oder 11, dadurch gekennzeichnet, dass die Kühleinheiten der beiden Gehäuse (Gl, G2) thermisch gekoppelt sind.12. Motor vehicle according to one of claims 10 or 11, characterized in that the cooling units of the two housings (Gl, G2) are thermally coupled.
13. Kraftfahrzeug nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass eine Leistungsverteilungseinheit (PDU) mit einem Hochvolt -Eingang von einem Energiespeicher und mindestens einem Hochvolt -Ausgang zu einem elektrischen Verbraucher ebenfalls innerhalb des ersten Gehäuses (G2) angeordnet ist.13. Motor vehicle according to one of claims 1 to 4, characterized in that a power distribution unit (PDU) with a high-voltage input from an energy storage and at least one high-voltage output to an electrical load is also disposed within the first housing (G2).
14. Kraftfahrzeug nach einem der Ansprüche 1 bis 4 oder 13, dadurch gekennzeichnet, dass eine Wechselrichtereinheit (TPIM) , die die Gleichspannung eines Energiespeichers in Wechselspannung für die Elektromaschine (EM) umwandelt und umgekehrt, ebenfalls innerhalb des ersten Gehäuses (G2) angeordnet ist.14. Motor vehicle according to one of claims 1 to 4 or 13, characterized in that an inverter unit (TPIM), which converts the DC voltage of an energy storage in AC voltage for the electric machine (EM) and vice versa, is also disposed within the first housing (G2).
15. Kraftfahrzeug nach Anspruch 14, dadurch gekennzeichnet, dass eine der Wechselrichtereinheit (TPIM) zugeordnete zweite Steuereinheit ebenfalls innerhalb des ersten Gehäuses (G2) angeordnet ist. 15. Motor vehicle according to claim 14, characterized in that one of the inverter unit (TPIM) associated second control unit is also disposed within the first housing (G2).
PCT/EP2007/005803 2006-07-22 2007-06-29 Motor vehicle WO2008011959A1 (en)

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