DE102019203008A1 - Electrical system in a motor vehicle - Google Patents
Electrical system in a motor vehicle Download PDFInfo
- Publication number
- DE102019203008A1 DE102019203008A1 DE102019203008.4A DE102019203008A DE102019203008A1 DE 102019203008 A1 DE102019203008 A1 DE 102019203008A1 DE 102019203008 A DE102019203008 A DE 102019203008A DE 102019203008 A1 DE102019203008 A1 DE 102019203008A1
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- Germany
- Prior art keywords
- electrical system
- interface
- inverter
- voltage
- electric machine
- 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.)
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- 239000004020 conductor Substances 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 2
- BUHVIAUBTBOHAG-FOYDDCNASA-N (2r,3r,4s,5r)-2-[6-[[2-(3,5-dimethoxyphenyl)-2-(2-methylphenyl)ethyl]amino]purin-9-yl]-5-(hydroxymethyl)oxolane-3,4-diol Chemical compound COC1=CC(OC)=CC(C(CNC=2C=3N=CN(C=3N=CN=2)[C@H]2[C@@H]([C@H](O)[C@@H](CO)O2)O)C=2C(=CC=CC=2)C)=C1 BUHVIAUBTBOHAG-FOYDDCNASA-N 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of AC power input into DC power output; Conversion of DC power input into AC power output
- H02M7/42—Conversion of DC power input into AC power output without possibility of reversal
- H02M7/44—Conversion of DC power input into AC power output without possibility of reversal by static converters
- H02M7/48—Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/53—Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/537—Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters
- H02M7/5387—Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration
- H02M7/53871—Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration with automatic control of output voltage or current
- H02M7/53875—Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration with automatic control of output voltage or current with analogue control of three-phase output
-
- 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
- B60L1/00—Supplying electric power to auxiliary equipment of vehicles
- B60L1/006—Supplying electric power to auxiliary equipment of vehicles to power outlets
-
- 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
- B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
- B60L15/007—Physical arrangements or structures of drive train converters specially adapted for the propulsion motors of electric vehicles
-
- 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
-
- 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
- B60L2210/00—Converter types
- B60L2210/40—DC to AC converters
- B60L2210/42—Voltage source 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
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/10—Vehicle control parameters
- B60L2240/30—Parking brake position
-
- 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
- B60L2260/00—Operating Modes
- B60L2260/20—Drive modes; Transition between modes
- B60L2260/22—Standstill, e.g. zero speed
-
- 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
- Y02T10/64—Electric machine technologies in electromobility
-
- 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
- Y02T10/72—Electric energy management in electromobility
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Inverter Devices (AREA)
Abstract
Die Erfindung betrifft ein elektrisches System (1) in einem Kraftfahrzeug, umfassend eine Batterie (2), einen Wechselrichter (3), eine Elektromaschine (4) und ein Steuergerät (5) für den Wechselrichter (3), wobei der Wechselrichter (3) drei Spannungsphasen (L1-L3) zur Ansteuerung der Elektromaschine (4) zur Verfügung stellt, wobei das elektrische System (1) eine standardisierte Schnittstelle (6) für externe Verbraucher aufweist, wobei mindestens zwei Spannungsphasen (L2, L3) des Wechselrichters (3) mit der Schnittstelle (6) verbunden sind. The invention relates to an electrical system (1) in a motor vehicle, comprising a battery (2), an inverter (3), an electric machine (4) and a control device (5) for the inverter (3), the inverter (3) provides three voltage phases (L1-L3) for controlling the electrical machine (4), the electrical system (1) having a standardized interface (6) for external loads, with at least two voltage phases (L2, L3) of the inverter (3) are connected to the interface (6).
Description
Die Erfindung betrifft ein elektrisches System in einem Kraftfahrzeug.The invention relates to an electrical system in a motor vehicle.
Es besteht der Bedarf, in einem Kraftfahrzeug eine standardisierte Schnittstelle für externe elektrische Verbraucher zur Verfügung zu stellen. Extern bedeutet dabei nicht zwangsweise außerhalb des Kraftfahrzeugs, sondern vielmehr nicht zum Kraftfahrzeug zugehörig. Beispiele für solche externen Verbraucher sind beispielsweise Kühlaggregate oder Heckenscheren.There is a need to provide a standardized interface for external electrical consumers in a motor vehicle. External does not necessarily mean outside the motor vehicle, but rather not belonging to the motor vehicle. Examples of such external consumers are, for example, cooling units or hedge trimmers.
Aus der
Der Erfindung liegt das technische Problem zugrunde, ein gattungsgemäßes System einfacher im Aufbau zu gestalten.The invention is based on the technical problem of making a generic system simpler in structure.
Die Lösung des technischen Problems ergibt sich durch den Gegenstand mit den Merkmalen des Anspruchs 1. Weitere vorteilhafte Ausgestaltungen der Erfindung ergeben sich aus den Unteransprüchen.The solution to the technical problem results from the subject matter with the features of claim 1. Further advantageous embodiments of the invention emerge from the subclaims.
Hierzu umfasst das elektrische System in einem Kraftfahrzeug eine Batterie, einen Wechselrichter, eine Elektromaschine und ein Steuergerät für den Wechselrichter, wobei der Wechselrichter an seinem Ausgang drei Spannungsphasen zur Ansteuerung der Elektromaschine zur Verfügung stellt. Dabei weist das elektrische System mindestens eine standardisierte Schnittstelle für externe Verbraucher auf, wobei mindestens zwei Spannungsphasen des Wechselrichters mit der Schnittstelle verbunden sind. Somit kann der zusätzliche Wechselrichter eingespart werden. Bei der Verwendung von zwei Phasen dient die eine Spannungsphase als Rückleiter.For this purpose, the electrical system in a motor vehicle comprises a battery, an inverter, an electric machine and a control device for the inverter, the inverter providing three voltage phases at its output for controlling the electric machine. The electrical system has at least one standardized interface for external consumers, with at least two voltage phases of the inverter being connected to the interface. The additional inverter can thus be saved. When using two phases, one voltage phase serves as the return conductor.
Im einfachsten Fall sind dabei die Spannungsphasen direkt mit der Schnittstelle verbunden, wobei dann durch entsprechende Maßnahmen sichergestellt werden muss, dass die Benutzung der Steckdose keine Auswirkungen auf den Fahrbetrieb hat bzw. es im Fahrzeugstillstand nicht zu unbeabsichtigten Bewegungen des Kraftfahrzeugs kommt, weil die Elektromaschine bestromt wird. Da aber nur eine Spannungsphase eine Wechselspannung erzeugen muss und die andere nur als Rückleiter dient, wird kein ausreichendes Drehfeld in der Elektromaschine erzeugt.In the simplest case, the voltage phases are directly connected to the interface, whereby appropriate measures must then be taken to ensure that the use of the socket has no effect on driving and that the vehicle does not move unintentionally when the vehicle is stationary because the electric machine is energized becomes. However, since only one voltage phase has to generate an alternating voltage and the other only serves as a return conductor, a sufficient rotating field is not generated in the electric machine.
In einer weiteren Ausführungsform sind alle drei Spannungsphasen mit der Schnittstelle verbunden, sodass Drehstrom an der Schnittstelle zur Verfügung gestellt werden kann. In diesem Fall kann dann beispielsweise mittels einer elektrischen Feststellbremse ein unbeabsichtigtes Bewegen verhindert werden.In a further embodiment, all three voltage phases are connected to the interface so that three-phase current can be made available at the interface. In this case, for example, an electric parking brake can be used to prevent unintentional movement.
In einer weiteren Ausführungsform sind die Spannungsphasen mit der Elektromaschine direkt verbunden, wobei an den Spannungsphasen Abgriffe zur Schnittstelle angeordnet sind, wobei zwischen den Abgriffen und der Schnittstelle Schaltelemente angeordnet sind. Hierdurch kann beispielsweise im Fahrbetrieb die Schnittstelle weggeschaltet werden, wobei der Fahrstrom nicht über die Schaltelemente fließen muss.In a further embodiment, the voltage phases are directly connected to the electric machine, with taps for the interface being arranged on the voltage phases, with switching elements being arranged between the taps and the interface. In this way, for example, the interface can be switched off while driving, with the driving current not having to flow via the switching elements.
In einer weiteren Ausführungsform sind die Schaltelemente als Relais ausgebildet, sodass eine galvanische Trennung erreicht wird.In a further embodiment, the switching elements are designed as relays, so that galvanic separation is achieved.
In einer weiteren Ausführungsform ist in mindestens zwei Spannungsphasen jeweils ein Schaltelement angeordnet, wobei in einer ersten Schalterstellung die Spannungsphase mit der Elektromaschine verbunden ist und in einer zweiten Schalterstellung die Spannungsphase mit der Schnittstelle verbunden ist. Somit ist einfach eine Rückwirkung auf die Elektromaschine bei Nutzung der Schnittstelle verhindert, wobei jedoch der Fahrstrom über das Schaltelement fließt, sodass dieses entsprechend robust ausgebildet sein muss.In a further embodiment, a switching element is arranged in at least two voltage phases, the voltage phase being connected to the electric machine in a first switch position and the voltage phase being connected to the interface in a second switch position. This simply prevents any reaction on the electric machine when the interface is used, although the driving current flows through the switching element, so that it must be designed to be correspondingly robust.
In einer weiteren Ausführungsform ist den Schaltelementen eine Steuereinheit zugeordnet, wobei die Steuereinheit derart ausgebildet ist, die Schaltelemente in Abhängigkeit eines Fahrzeug-Stopps anzusteuern. Weiter kann auch vorgesehen sein, dass ein Stecken eines Verbrauchers in der Schnittstelle erfasst wird, in Abhängigkeit dieses Zustandes die Schaltelemente geschaltet werden. Die Steuereinheit kann dabei eine separate Steuereinheit sein oder aber in das Steuergerät des Wechselrichters integriert sein.In a further embodiment, a control unit is assigned to the switching elements, the control unit being designed to control the switching elements as a function of a vehicle stop. Furthermore, it can also be provided that the plugging of a consumer in the interface is detected and the switching elements are switched as a function of this state. The control unit can be a separate control unit or it can be integrated into the control unit of the inverter.
Die Erfindung wird nachfolgend anhand bevorzugter Ausführungsbeispiele näher erläutert. Die Figuren zeigen:
-
1 ein elektrisches System in einer ersten Ausführungsform, -
2 ein elektrisches System in einer zweiten Ausführungsform und -
3 ein elektrisches System in einer dritten Ausführungsform.
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1 an electrical system in a first embodiment, -
2 an electrical system in a second embodiment and -
3 an electrical system in a third embodiment.
In der
Wenn das Kraftfahrzeug nun steht, kann die Schnittstelle
Dabei ist sicherzustellen, dass es durch die gleichzeitige Bestromung der Elektromaschine
In der
In
BezugszeichenlisteList of reference symbols
- 11
- elektrisches Systemelectrical system
- 22
- HochvoltbatterieHigh voltage battery
- 33
- WechselrichterInverter
- 44th
- ElektromaschineElectric machine
- 55
- SteuergerätControl unit
- 66th
- Schnittstelleinterface
- 77th
- AbgriffTap
- 88th
- AbgriffTap
- 99
- SchaltelementSwitching element
- 1010
- SchaltelementSwitching element
- 1111
- SteuereinheitControl unit
- 1212
- SchaltelementSwitching element
- 1313
- SchaltelementSwitching element
- CC.
- ZwischenkreiskondensatorDC link capacitor
- L1L1
- erste Spannungsphasefirst tension phase
- L2L2
- zweite Spannungsphasesecond tension phase
- L3L3
- dritte Spannungsphasethird tension phase
- SS.
- SteuersignalControl signal
- T1-T6T1-T6
- TransistorenTransistors
ZITATE ENTHALTEN IN DER BESCHREIBUNG QUOTES INCLUDED 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 was 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 PatentliteraturPatent literature cited
- DE 102010003509 A1 [0003]DE 102010003509 A1 [0003]
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102019203008.4A DE102019203008A1 (en) | 2019-03-06 | 2019-03-06 | Electrical system in a motor vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102019203008.4A DE102019203008A1 (en) | 2019-03-06 | 2019-03-06 | Electrical system in a motor vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE102019203008A1 true DE102019203008A1 (en) | 2020-09-10 |
Family
ID=72146517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE102019203008.4A Pending DE102019203008A1 (en) | 2019-03-06 | 2019-03-06 | Electrical system in a motor vehicle |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE102019203008A1 (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19722644C1 (en) * | 1997-05-30 | 1998-09-17 | Aeg Anglo Batteries Germany Gm | Additional AC network for electric vehicle with high power battery |
| DE102017215145A1 (en) * | 2017-08-30 | 2019-02-28 | Bayerische Motoren Werke Aktiengesellschaft | Socket in or on vehicle |
| DE102019201661A1 (en) * | 2018-02-08 | 2019-08-08 | Hyundai Motor Company | Mobile power generation system and power generation method for a vehicle |
-
2019
- 2019-03-06 DE DE102019203008.4A patent/DE102019203008A1/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19722644C1 (en) * | 1997-05-30 | 1998-09-17 | Aeg Anglo Batteries Germany Gm | Additional AC network for electric vehicle with high power battery |
| DE102017215145A1 (en) * | 2017-08-30 | 2019-02-28 | Bayerische Motoren Werke Aktiengesellschaft | Socket in or on vehicle |
| DE102019201661A1 (en) * | 2018-02-08 | 2019-08-08 | Hyundai Motor Company | Mobile power generation system and power generation method for a vehicle |
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