WO2007020183A1 - Reseau de bord d'un vehicule hybride comprenant des consommateurs critiques en termes de securite - Google Patents

Reseau de bord d'un vehicule hybride comprenant des consommateurs critiques en termes de securite Download PDF

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Publication number
WO2007020183A1
WO2007020183A1 PCT/EP2006/064866 EP2006064866W WO2007020183A1 WO 2007020183 A1 WO2007020183 A1 WO 2007020183A1 EP 2006064866 W EP2006064866 W EP 2006064866W WO 2007020183 A1 WO2007020183 A1 WO 2007020183A1
Authority
WO
WIPO (PCT)
Prior art keywords
board network
consumer
standard
electrical system
traction
Prior art date
Application number
PCT/EP2006/064866
Other languages
German (de)
English (en)
Inventor
Wolfgang Mueller
Wolfgang Haas
Dirk Hofmann
Richard Aumayer
Herbert Vollert
Hubert Schweiggart
Christoph Wenger
Helmut Suelzle
Uwe Bauer
Michael Merkle
Marcus Abele
Wolfgang Kircher
Original Assignee
Robert Bosch Gmbh
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 Robert Bosch Gmbh filed Critical Robert Bosch Gmbh
Publication of WO2007020183A1 publication Critical patent/WO2007020183A1/fr

Links

Classifications

    • 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
    • B60L3/0092—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption with use of redundant elements for safety purposes
    • 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
    • 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
    • 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
    • B60L50/15—Electric propulsion with power supplied within the vehicle using propulsion power supplied by engine-driven generators, e.g. generators driven by combustion engines with additional electric power supply
    • 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
    • B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • B60L58/18—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules
    • B60L58/20—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules having different nominal voltages
    • 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
    • H02J1/00—Circuit arrangements for dc mains or dc distribution networks
    • H02J1/14—Balancing the load in a network
    • 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
    • H02J2310/48—The network being an on-board power network, i.e. within a vehicle for electric vehicles [EV] or hybrid vehicles [HEV]
    • 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
    • H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
    • H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
    • 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 vehicle electrical system for supplying energy to a hybrid vehicle, comprising a traction board network, a standard on-board network and at least one safety-related electrical consumer according to the preamble of claim 1 and a corresponding method according to the preamble of claim 11.
  • Vehicle electrical systems according to the preamble of claim 1 are known from the prior art. They often have a Klauenpolgenerator, a lead-acid battery, a fuse and relay box and a harness for power distribution. A large number of consumers are connected to the cable harness, with most consumers connected permanently and / or switchably, and further consumers can be temporarily connected via a 12 V socket.
  • the complexity of the vehicle wiring system has greatly increased in the past. There are a large number of different components connected over many and often long cable runs nowadays. Furthermore There are a large number of contact points and there are many ways of influencing parts of the vehicle electrical system. From this, the situation may arise that the stable function of the energy supply can no longer be guaranteed. In reality, the implications are that electrical issues are by far the leading causes of breakdown statistics. The problems in the energy supply are particularly severe when possibly the function of safety-relevant, electrical consumers, in particular drive-by-wire, brake-by-wire or steer-by-wire consumption (generally X-by -wire consumers) are affected.
  • a coupling element electrically connecting the load optionally to the traction on-board network and / or the standard on-board network is proposed .
  • traction board network which essentially serves for electric driving.
  • a further possibility according to the invention is provided to supply the consumer with electrical energy.
  • the electrical connection between the consumer and the traction board network and / or the standard on-board network is in particular carried out very directly, that is, there are only a few electrical e elements, ideally only one element or no element at all.
  • the consumer can optionally be connected only to the traction board network or only to the standard on-board network or traction and standard on-board network and even, should this be necessary in a particular situation, be disconnected from traction and standard on-board electrical system.
  • Increased flexibility and power supply redundancy increase reliability while reducing the cost of powering X-by-wire consumables.
  • the consumer is selected from the group consisting of electric steering, electromechanical steering, electric brake and electromechanical brake. These are particularly safety-relevant consumers whose power supply must be permanently ensured.
  • the consumer is arranged in a sub-board network of the vehicle electrical system with an electrical memory and is in particular connected in parallel to the memory.
  • the electrical memory may in particular comprise an accumulator and / or a capacitor. It is advantageous if the coupling element has a voltage position matching device. In this way, the flow of energy through the coupling element, in particular in the direction of the consumer, can be influenced. In addition, erroneous energy flows from the traction and / or standard on-board network in the direction of the consumer can be prevented.
  • the coupling element to a DC / DC converter which is connected on one side with the traction board network and on the other side with the consumer. It is a cheap and effective way to control the flow of energy between the traction board network and the consumer.
  • the coupling element to a DC / DC converter which is connected on one side with the standard on-board network and on the other side with the consumer. Again, the good adjustability of the desired energy flows.
  • the DC / DC converter is electrically isolated. Such a separation of the various parts of the vehicle electrical system reduces or eliminates the transmission of disturbances in one part into another part.
  • the traction power supply system has an energy store. Then this energy storage can also be used to supply the consumer.
  • the energy store has at least two electrically connected memory elements or memory blocks, and the DC / DC converter for the traction on-board network is connected to a memory element or memory block.
  • the energy store in particular an accumulator, consists of a certain number of storage elements (individual cells), the number of which results from the desired nominal voltage. For example, a total voltage of approximately 200 V can result from a series connection of 10 memory elements, each with 20 V.
  • Several memory elements can be understood physically or logically as memory blocks.
  • memory blocks with a total voltage of 40 V, 60 V, 80 V, 100 V, 120 V, 140 V, 160 V, 180 V and 200 V can result in the example mentioned.
  • the nominal voltage of such a memory element or memory block is regularly smaller than the rated voltage of the entire energy storage and depending on the type and number of individual cells. It is also possible to form a plurality of memory blocks in an energy store. If the DC / DC converter for the traction power supply is now connected to such a memory element or to such a memory block, then there is an easy way to feed the consumer, in particular as an emergency supply.
  • the DC / DC converter is preferably designed to be electrically isolated and provided with switching elements in order to ensure a decoupling of the memory elements or blocks from the consumer during a fault-free normal operation.
  • a DC / DC converter is connected to a plurality of memory elements or memory blocks.
  • the invention further relates to a method for operating a vehicle electrical system with a traction board network, a standard on-board network and at least one safety-relevant electrical consumer, which is electrically connected to the standard onboard network, according to the invention, the consumer is optionally electrically connected to the traction board network and / or the standard on-board network.
  • the electrical connection should be understood as meaning, in particular, an almost immediate connection, in order to interpose as few elements as possible, which could suffer a defect.
  • FIG. 1 shows a first embodiment of a vehicle electrical system for powering a hybrid vehicle
  • Figure 2 shows a second embodiment of a vehicle electrical system
  • Figure 3 is a detail view of the second embodiment. Description of the embodiments
  • FIG. 1 shows a vehicle electrical system 10 for powering a hybrid vehicle, not shown.
  • the on-board vehicle network 10 is simplified for better understanding in a traction board network 12, a standard on-board network 14, a sub-board network 16 and a coupling element 18 divided.
  • the traction board network 12 has at least one electric machine 20 and a corresponding pulse-change rectifier 22. By means of the dashed lines is indicated that also other electrical machines and pulse inverters can be present.
  • an electrical memory 24 (or, more generally, any combination of electrical memories) is used in the traction board network 12.
  • the traction board 12 is associated with a potential-separated, first DC / DC converter 25, which provides the electrical connection between the traction board network 12 and the standard on-board network 14.
  • accumulators for example nickel metal hydride
  • capacitors for example Supercap
  • the voltage level of the traction power supply 12 is above the voltage level of the standard on-board network 14, which contains here only symbolically other elements next to the vehicle battery 26.
  • a safety-relevant load 28 here an electric steering 30, arranged parallel to an electrical memory 32.
  • the coupling element 18 has a potential-separated, second DC / DC converter 34, which controls the electrical connection between the traction power supply 12 and the sub-board network 16 manufactures.
  • the coupling element 18 has a third DC / DC converter 36, via which the electrical connection between the standard on-board network 14 and the sub-board network 16 is established.
  • the sub-board network 16 In normal operation, the sub-board network 16, ie in particular the consumer 28, fed from the standard on-board network 14.
  • the energy is provided by the vehicle battery 26, which in turn is fed from the traction board network 12 (possibly also from additional sources).
  • the second DC / DC converter 34 If a situation now arises in which the power supply of the load 28 can no longer be ensured by the standard on-board network 14, then the second DC / DC converter 34 is switched in such a way that an energy flow from the traction on-board network 12 is established in the partial on-board network 16. If the problem encountered is a significant disturbance from the standard on-board network 14, then the standard on-board network 14 can be decoupled from the sub-network 16. The supply of the sub-board network 16 is then exclusively from the traction board 12.
  • FIG. 1 A second embodiment of a vehicle electrical system 10 is shown in FIG. Since this is essentially the structure known from FIG. 1 and the same reference symbols have been used with the same meaning, reference is made to the statements relating to FIG. 1 for the basic function.
  • the peculiarity of Figure 2 is that the second DC / DC converter 34 no longer picks up the total voltage of the traction board network 12, but a partial voltage. The relevant area is indicated here by a dot-dash line.
  • FIG. 2 An enlarged detail of the relevant difference between FIG. 2 and FIG. 1 is shown in FIG.
  • the energy store 24 has six memory elements 38 by way of example, wherein the two memory elements marked here should be understood as memory blocks 40.
  • the second DC / DC converter 34 now picks up the voltage of a memory block 40 and can in particular cause an emergency supply to the load 28.
  • the consumer supply can be extended to several circuits or several consumers depending on the memory.
  • the invention increases the flexibility of the power supply and provides redundancy that increases the reliability of the supply of x-by-wire consumption.

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

Abstract

La présente invention concerne un réseau de bord de véhicule (10) conçu pour alimenter en énergie un véhicule hybride. Ce réseau de bord comprend un réseau de bord de traction (12), un réseau de bord standard (14), au moins un consommateur électrique (28) important en termes de sécurité, qui est connecté électriquement au réseau de bord standard (14), ainsi qu'un élément de couplage (18) qui connecte électriquement le consommateur (28) au choix au réseau de bord de traction (12) et/ou au réseau de bord standard (14). Cette invention concerne également un procédé correspondant pour faire fonctionner un réseau de bord de véhicule (10).
PCT/EP2006/064866 2005-08-18 2006-07-31 Reseau de bord d'un vehicule hybride comprenant des consommateurs critiques en termes de securite WO2007020183A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005039104.4 2005-08-18
DE102005039104A DE102005039104A1 (de) 2005-08-18 2005-08-18 Bordnetz eines Hybridfahrzeugs mit sicherheitskritischen Verbrauchern

Publications (1)

Publication Number Publication Date
WO2007020183A1 true WO2007020183A1 (fr) 2007-02-22

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PCT/EP2006/064866 WO2007020183A1 (fr) 2005-08-18 2006-07-31 Reseau de bord d'un vehicule hybride comprenant des consommateurs critiques en termes de securite

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Country Link
DE (1) DE102005039104A1 (fr)
WO (1) WO2007020183A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3028890A1 (fr) * 2014-12-02 2016-06-08 Robert Bosch Gmbh Composant electronique et groupe de reseau de bord pour un moyen de transport electrique
DE102018201221A1 (de) 2017-12-07 2019-06-13 Robert Bosch Gmbh Lenkvorrichtung
CN110325395A (zh) * 2017-02-27 2019-10-11 罗伯特·博世有限公司 用于运行机动车的设备和方法，机动车

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5182310B2 (ja) * 2010-03-23 2013-04-17 株式会社日立製作所 鉄道編成車両の駆動システム
DE102012221570A1 (de) * 2012-11-26 2014-05-28 Siemens Aktiengesellschaft Elektrische Schaltungsanordnung für ein elektrisch angetriebenes Fahrzeug, Fahrzeug und entsprechendes Verfahren
DE102014214103A1 (de) * 2014-07-21 2016-01-21 Robert Bosch Gmbh Vorrichtung zur Versorgung zumindest eines Verbrauchers
JP6907175B2 (ja) * 2018-11-20 2021-07-21 矢崎総業株式会社 電源システム
DE102021118869A1 (de) * 2021-07-21 2023-01-26 Audi Aktiengesellschaft Bordnetz und Verfahren zu seinem Betrieb

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19755050A1 (de) * 1997-12-11 1999-07-01 Bosch Gmbh Robert Einrichtung zur Energieversorgung in einem Kraftfahrzeugbordnetz
EP1376812A2 (fr) * 2002-06-25 2004-01-02 Robert Bosch Gmbh Réseau d'énergie pour l'alimentation de consommeurs de haute puissance
WO2004042888A1 (fr) * 2002-11-06 2004-05-21 Robert Bosch Gmbh Reseau de bord destine a alimenter au moins un recepteur presentant des exigences elevees en matiere de disponibilite du reseau de bord
DE10314360A1 (de) * 2003-03-31 2004-10-14 Bayerische Motoren Werke Ag Spannungsversorgung für ein Fahrzeug
EP1557317A1 (fr) * 2004-01-22 2005-07-27 Robert Bosch GmbH Alimentation pour un véhicule hybride avec de moins une système x-by-wire

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19755050A1 (de) * 1997-12-11 1999-07-01 Bosch Gmbh Robert Einrichtung zur Energieversorgung in einem Kraftfahrzeugbordnetz
EP1376812A2 (fr) * 2002-06-25 2004-01-02 Robert Bosch Gmbh Réseau d'énergie pour l'alimentation de consommeurs de haute puissance
WO2004042888A1 (fr) * 2002-11-06 2004-05-21 Robert Bosch Gmbh Reseau de bord destine a alimenter au moins un recepteur presentant des exigences elevees en matiere de disponibilite du reseau de bord
DE10314360A1 (de) * 2003-03-31 2004-10-14 Bayerische Motoren Werke Ag Spannungsversorgung für ein Fahrzeug
EP1557317A1 (fr) * 2004-01-22 2005-07-27 Robert Bosch GmbH Alimentation pour un véhicule hybride avec de moins une système x-by-wire

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3028890A1 (fr) * 2014-12-02 2016-06-08 Robert Bosch Gmbh Composant electronique et groupe de reseau de bord pour un moyen de transport electrique
CN110325395A (zh) * 2017-02-27 2019-10-11 罗伯特·博世有限公司 用于运行机动车的设备和方法，机动车
CN110325395B (zh) * 2017-02-27 2023-03-14 罗伯特·博世有限公司 用于运行机动车的设备和方法，机动车
DE102018201221A1 (de) 2017-12-07 2019-06-13 Robert Bosch Gmbh Lenkvorrichtung

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