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WO2011091913A2 - Système de batterie pour véhicules à moteur comportant des récepteurs haute puissance - Google Patents

Système de batterie pour véhicules à moteur comportant des récepteurs haute puissance Download PDF

Info

Publication number
WO2011091913A2
WO2011091913A2 PCT/EP2010/070267 EP2010070267W WO2011091913A2 WO 2011091913 A2 WO2011091913 A2 WO 2011091913A2 EP 2010070267 W EP2010070267 W EP 2010070267W WO 2011091913 A2 WO2011091913 A2 WO 2011091913A2
Authority
WO
WIPO (PCT)
Prior art keywords
voltage
battery
low
electrical system
starter
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.)
Ceased
Application number
PCT/EP2010/070267
Other languages
German (de)
English (en)
Other versions
WO2011091913A3 (fr
Inventor
Holger Fink
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert Bosch Battery Systems GmbH
SB LiMotive Co Ltd
Original Assignee
SB LiMotive Germany GmbH
SB LiMotive Co Ltd
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 SB LiMotive Germany GmbH, SB LiMotive Co Ltd filed Critical SB LiMotive Germany GmbH
Publication of WO2011091913A2 publication Critical patent/WO2011091913A2/fr
Publication of WO2011091913A3 publication Critical patent/WO2011091913A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • B60R16/03—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N11/00—Starting of engines by means of electric motors
    • F02N11/08—Circuits specially adapted for starting of engines
    • F02N11/0862—Circuits specially adapted for starting of engines characterised by the electrical power supply means, e.g. battery
    • F02N11/0866—Circuits specially adapted for starting of engines characterised by the electrical power supply means, e.g. battery comprising several power sources, e.g. battery and capacitor or two batteries
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J1/00—Circuit arrangements for DC mains or DC distribution networks
    • H02J1/08—Three-wire systems; Systems having more than three wires
    • H02J1/082—Plural DC voltage, e.g. DC supply voltage with at least two different DC voltage levels
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2310/00—The network for supplying or distributing electric power characterised by its spatial reach or by the load
    • H02J2310/40—The network being an on-board power network, i.e. within a vehicle
    • H02J2310/46—The network being an on-board power network, i.e. within a vehicle for ICE-powered road vehicles

Definitions

  • the invention is based on battery systems for motor vehicles which supply a multiplicity of different types of electrical consumers with a uniform operating voltage.
  • the invention is also a
  • Starter or starter for the internal combustion engine and other electrical devices of the motor vehicle provided a so-called electrical system, which is operated by default with 14V (see Fig. 1).
  • 14V see Fig. 1
  • starter or starter for the internal combustion engine and other electrical devices of the motor vehicle provided a so-called electrical system, which is operated by default with 14V (see Fig. 1).
  • starting the internal combustion engine (not shown) is dependent on the state of charge of a provided for the supply starter battery 10 voltage over the
  • a first aspect of the invention introduces a battery system for a motor vehicle having an internal combustion engine, wherein the battery system has at least one low-voltage electrical system and an electrical system with increased voltage.
  • the low-voltage electrical system comprises at least one starter battery, which is designed to generate a first voltage and to the
  • the vehicle electrical system with increased voltage includes at least one electric generator, which is operable and configured by the internal combustion engine, a second
  • the electrical system with increased voltage is connected to the low-voltage electrical system via a coupling unit, which is designed to take the electrical system with increased voltage electrical energy and supply the low-voltage electrical system.
  • the battery system or electrical system according to the invention is suitable
  • the invention has the advantage that electrical loads which are designed for a low (first) voltage can continue to be operated by the low-voltage on-board electrical system.
  • the electrical system with increased voltage is available, which can supply the high-power consumers with lower currents due to the higher second voltage.
  • the electric generator is arranged according to the invention in the electrical system with increased voltage and supplies this after the start of the engine with electrical energy, which can be at least partially supplied to the low-voltage electrical system for charging the starter battery and to supply the consumer in the low-voltage electrical system.
  • the starter battery is in turn arranged according to the invention in low-voltage electrical system to provide the starter with the necessary for starting large currents without disturbing intermediate components can.
  • the starter battery is a lithium-ion battery.
  • Lithium-ion batteries can store a greater amount of energy in a given volume than, for example, lead-acid batteries. It is particularly advantageous in this case that the coupling unit supplies electrical energy from the electrical system with increased voltage after a successful start of the internal combustion engine the low-voltage electrical system and thus acts as a charger for the starter battery.
  • the starter battery must be charged in this preferred embodiment of the invention in a special way, because it is designed as a lithium-ion battery and therefore is sensitive to overvoltages.
  • the electrical system with increased voltage can at least one
  • Heavy-duty consumer such as an electric air conditioning compressor, an electric heating system or an electric motor have.
  • Low-voltage electrical system can have at least one low-power consumer, for example a navigation device.
  • the electrical system with increased voltage a
  • Voltage smoothing device in particular a buffer capacitor (17) or a backup battery, on, which smoothes the second voltage generated by the electrical generator in the electrical system with increased voltage.
  • the coupling unit is a DC / DC converter, which is particularly preferably designed as a buck converter.
  • the first voltage can be between 10V and 15V. This is
  • the second voltage is preferably between 24V and 45V. This
  • Voltage in the first voltage can be done with a good efficiency.
  • a second aspect of the invention relates to a motor vehicle with a
  • Fig. 1 shows a battery system according to the prior art
  • Fig. 2 shows an embodiment of the battery system according to the invention.
  • Fig. 2 shows an embodiment of the battery system according to the invention.
  • a starter battery 10 which is preferably designed as a lithium-ion battery, supplies a low-voltage electrical system with a voltage of preferably 10V to 15V, the exact voltage depending on the state of charge of the starter battery 10.
  • Connected to the starter battery 10 is a
  • Starter 1 which is designed, an internal combustion engine (not shown) to start.
  • a switch 12 Connected in series with the starter 1 1 is a switch 12, which is controlled by a starter signal. If the switch 12 is closed, the starter 1 1 is activated and a current flows from the starter battery 10 through the starter 1 1.
  • Parallel to the starter 1 1 may be provided further electrical (low-power) load 14-2, which is suitable for operation are designed at the voltage of 10V to 15V.
  • An example of such electrical consumers is a navigation device and the like.
  • Low-voltage electrical system is connected via a running in the example as a DC / DC converter coupling unit 15 with a vehicle electrical system with increased voltage.
  • the vehicle electrical system with increased voltage is supplied by an electric generator 13-2, which is operated by the (started) combustion engine and is designed to generate a voltage of preferably 24V to 45V.
  • the coupling unit 15 is designed to remove the electrical system with increased voltage electrical energy and the
  • Starter battery 10 is recharged and the electrical loads 14, the necessary for the operation power is provided.
  • the electrical system with increased voltage however, contains such electrical
  • Generator 13-2 are operated voltage to lower the necessary currents.
  • Fig. 2 are such high power consumers 16th
  • the vehicle electrical system with increased voltage contains a device for voltage smoothing, which has the task of smoothing the usually quite undulating voltage generated by the electric generator 13-2.
  • the electric generator 13-2 Preferably, the
  • the invention thus provides a vehicle electrical system or battery system for a motor vehicle with an internal combustion engine, which is suitable for the supply of

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Charge By Means Of Generators (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

L'invention concerne un système de batterie pour un véhicule à moteur comportant un moteur à combustion interne, le système de batterie présentant au moins un réseau de bord basse tension et un réseau de bord à tension augmentée. Le réseau de bord basse tension comporte au moins une batterie de démarreur (10) conçue pour produire une première tension et la fournir au réseau de bord basse tension, et un démarreur (11) connecté ou pouvant être connecté à la batterie de démarreur (10), conçu pour démarrer le moteur à combustion interne suite à un signal de démarrage. Le réseau de bord à tension augmentée comporte au moins un générateur électrique (13-2) pouvant être entraîné par le moteur à combustion interne, conçu pour produire une deuxième tension supérieure à la première, et la fournir au réseau de bord à tension augmentée. Le réseau de bord à tension augmentée est connecté au réseau de bord basse tension au moyen d'une unité de couplage (15) conçue pour prélever de l'énergie électrique du réseau de bord à tension augmentée et la fournir au réseau de bord basse tension. L'invention concerne également un véhicule à moteur comportant un système de batterie correspondant.
PCT/EP2010/070267 2010-01-27 2010-12-20 Système de batterie pour véhicules à moteur comportant des récepteurs haute puissance Ceased WO2011091913A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010001238A DE102010001238A1 (de) 2010-01-27 2010-01-27 Batteriesystem für Kraftfahrzeuge mit Hochleistungsverbrauchern
DE102010001238.6 2010-01-27

Publications (2)

Publication Number Publication Date
WO2011091913A2 true WO2011091913A2 (fr) 2011-08-04
WO2011091913A3 WO2011091913A3 (fr) 2012-03-15

Family

ID=44146353

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2010/070267 Ceased WO2011091913A2 (fr) 2010-01-27 2010-12-20 Système de batterie pour véhicules à moteur comportant des récepteurs haute puissance

Country Status (3)

Country Link
DE (1) DE102010001238A1 (fr)
TW (1) TW201141008A (fr)
WO (1) WO2011091913A2 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015009943A1 (de) 2015-07-30 2017-02-02 Audi Ag Kraftfahrzeug-Bordnetze mit Kopplung über einen DC-DC-Wandler

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10262000B4 (de) * 2002-07-12 2006-06-14 Audi Ag Bordnetz für ein Kraftfahrzeug
EP1405767A1 (fr) * 2002-10-02 2004-04-07 Ford Global Technologies, Inc., A subsidiary of Ford Motor Company Réseau de distribution d'énergie pour un véhicule
DE10247523A1 (de) * 2002-10-11 2004-04-29 Siemens Ag Energieversorgungsschaltung
DE10251589A1 (de) * 2002-11-06 2004-05-19 Robert Bosch Gmbh Bordnetz zur Versorgung mindestens eines Verbrauchers mit erhöhten Anforderungen an die Verfügbarkeit des Bordnetzes
DE10338160A1 (de) * 2003-08-20 2005-03-24 Audi Ag Spannungsversorgungseinrichtung für ein Kraftfahrzeug
DE102004038527A1 (de) * 2004-08-07 2006-03-16 Audi Ag Schaltungsanordnung für Kraftfahrzeuge
DE102005039045B4 (de) * 2005-02-15 2009-08-27 Audi Ag Bordnetz für ein Kraftfahrzeug und Verfahren zum Betreiben eines Bordnetzes eines Kraftfahrzeugs
DE102005051433B4 (de) * 2005-10-27 2021-12-30 Bayerische Motoren Werke Aktiengesellschaft Verfahren und Vorrichtung zur Regelung eines Generators in einem Zwei-Spannungs-Bordnetz eines Kraftfahrzeuges
DE102007048342B4 (de) * 2007-10-09 2012-02-23 Continental Automotive Gmbh Bordnetz für ein Kraftfahrzeug
DE102007061562A1 (de) * 2007-12-18 2009-07-02 Behr Gmbh & Co. Kg Vorrichtung zur elektrischen Energiespeicherung für ein Kraftfahrzeug und Betriebsverfahren
DE102008022582A1 (de) * 2008-05-07 2009-11-12 Bayerische Motoren Werke Aktiengesellschaft Elektrisches Energiebordnetz für ein Kraftfahrzeug

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None

Also Published As

Publication number Publication date
DE102010001238A1 (de) 2011-07-28
TW201141008A (en) 2011-11-16
WO2011091913A3 (fr) 2012-03-15

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