EP1802482A1 - Dispositif de connexion de securite intelligent - Google Patents

Dispositif de connexion de securite intelligent

Info

Publication number
EP1802482A1
EP1802482A1 EP05785629A EP05785629A EP1802482A1 EP 1802482 A1 EP1802482 A1 EP 1802482A1 EP 05785629 A EP05785629 A EP 05785629A EP 05785629 A EP05785629 A EP 05785629A EP 1802482 A1 EP1802482 A1 EP 1802482A1
Authority
EP
European Patent Office
Prior art keywords
connection device
electrical
battery
conductor
switch
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.)
Withdrawn
Application number
EP05785629A
Other languages
German (de)
English (en)
Inventor
Arthur Kurz
Radoslav Stanko
Klaus Wagner
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.)
Kromberg and Schubert GmbH and Co KG
Original Assignee
Kromberg and Schubert GmbH and Co KG
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
Priority claimed from DE102004051489A external-priority patent/DE102004051489B4/de
Application filed by Kromberg and Schubert GmbH and Co KG filed Critical Kromberg and Schubert GmbH and Co KG
Publication of EP1802482A1 publication Critical patent/EP1802482A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
    • H02J7/0031—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using battery or load disconnect circuits
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/364—Battery terminal connectors with integrated measuring arrangements
    • 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
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
    • 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
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
    • 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
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/14—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
    • G01R1/20—Modifications of basic electric elements for use in electric measuring instruments; Structural combinations of such elements with such instruments
    • G01R1/203—Resistors used for electric measuring, e.g. decade resistors standards, resistors for comparators, series resistors, shunts
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/005—Testing of electric installations on transport means
    • G01R31/006—Testing of electric installations on transport means on road vehicles, e.g. automobiles or trucks
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • 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
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
    • H02J7/0048—Detection of remaining charge capacity or state of charge [SOC]
    • 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
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
    • H02J7/005—Detection of state of health [SOH]
    • 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

Definitions

  • the invention is directed to a connection device for a battery, in particular a
  • Vehicle battery which is used for electrical connection of a battery pole with at least one outgoing from the battery, electrical conductor, as claimed in. 1 specified type.
  • Normal connection devices also called pole terminals
  • connection devices are widely known in various designs. Also, it is now known to equip such connection devices with a current measuring module, whereby the flowing through
  • the invention is directed to a method for the electrical monitoring and control of a battery condition, in particular in vehicles, according to claim 17.
  • the invention is thus based on the object of developing a connecting device for a battery, in particular a vehicle battery, which is capable of autonomous operation, depending on
  • the invention has the object to develop a method for electrical monitoring and control of a battery condition, especially in vehicles, which can be ensured that the state of charge in the battery does not fall below a critical level, if of. individual electrical consumers or electronic modules malfunction, which would drain the battery.
  • This object of the method is erf ⁇ ndungshunt solved by the measures of claim 17.
  • the connecting device is used for a battery, in particular a vehicle battery, in order to produce an electrical connection from a battery pole with at least one electrical conductor that leads away from the battery.
  • at least one measuring resistor is provided in the outgoing, electrical conductor in order to detect the current flowing through, the measuring resistor itself being integrally integrated in the connecting device.
  • an electrical switch is integrated in the connection device, by means of which the outgoing, electrical conductor can be releasably contacted, so that the
  • connection device has an electrical module which is electrically connected on the one hand to at least one measuring resistor and on the other hand to at least one switch, wherein information of an external unit and / or internal connection information, which are generated only within the connection device, for controlling at least one electrical
  • connection device is independently capable of monitoring functions or control functions on the basis of the present measurement data by means of the electrical module take. It can also respond to external signals.
  • the connection device according to the invention forms by the combination of the existing elements (measuring resistors, electrical switches and electrical IModul) an independent monitoring and control unit, which not only detects malfunctions of the vehicle electronics, but also responds accordingly.
  • At least one measuring resistor is integrated in the Ansclilussvortechnische by means of a welding or solder joint.
  • the entire connecting device au.s a low-resistance material and thus forms even the measuring resistor, the size of the measuring resistor based on two predefined contact points is clearly known.
  • this variant can be dispensed with an additional welding or solder joint for integration of the measuring resistor in the connection device.
  • Connecting device is designed extremely stable.
  • connection device in another embodiment, at least two conductors can be switched separately, in each of which a measuring resistor and a switch are arranged in series. Due to the use of two switchable conductors significantly increases the functionality of the connecting device according to the invention. Thus, one conductor can be switched off by means of the designated switch, while the other conductor can remain switched on independently of this. Thus, it is conceivable that, for example, only certain electrical consumers are switched off, which currently trigger a malfunction or cause an overload in the corresponding conductor.
  • connection device at least one conductor, which is provided with a measuring resistor, is electrically connected to a Stromge ⁇ nerator of the vehicle to detect by measurement the current flowing therefrom in the battery.
  • a Stromge ⁇ nerator of the vehicle is electrically connected to a Stromge ⁇ nerator of the vehicle to detect by measurement the current flowing therefrom in the battery.
  • connection device in a further possible embodiment, at least one conductor is present, which is permanently connected to emergency and / or safety systems of the vehicle, so that they are continuously supplied with power from the battery.
  • This measure ensures that, for example, the safety systems for the airbag or belt tensioner are also supplied with sufficient power in the event of a crash. Nevertheless, the remaining part of the vehicle electrics can be de-energized to avoid a short circuit and thus reduce the risk of explosion.
  • semiconductor switching elements are provided as electrical switches.
  • electrical switches are provided as electrical switches.
  • MOS-FET semiconductors Semiconductor switching elements so-called MOS-FET semiconductors are used as electrical switches.
  • these semiconductor switches have the advantage that they can be activated or actuated in a simple manner and, on the other hand, permit a high current flow.
  • At least one connecting line is provided between an external unit (the vehicle electronics) and the electrical module, so that signals, data or other information can be exchanged electrically or optically between the corresponding systems.
  • connection line may be a LIN bus or CAN bus data line.
  • connection device has an integrated circuit (so-called IC), in particular an ASIC.
  • IC integrated circuit
  • ASIC application possibilities and the functionality of the connection device can be significantly increased in a simple manner.
  • standard components can usually be used as integrated circuits, which are available at low cost.
  • connection device detects the electrical module in addition to the current flow from and to the battery and the respective battery voltage, battery temperature, and other measures from the environment of the battery.
  • the measured variables detected by the electrical module are further processable and in a non-volatile manner
  • Memory detectable Thus, it is possible that external modules can also fall back on these detected measured variables and also the connecting device recognizes aging of the battery on the basis of the stored data. In addition, it is possible to use these data to control adaptive control or regulation in order to handle even unpredictable cases in the vehicle electrics in the future properly.
  • connection device all switchable conductors can be switched currentless by means of the switches in these conductors by the electrical module, provided that a crash signal has been generated by an external unit during a vehicle crash.
  • a crash signal has been generated by an external unit during a vehicle crash.
  • connection device In a further variant of the connection device, an overload in a conductor by the electrical module by means of the existing measuring resistor can be detected by measurement, whereupon this conductor can be switched de-energized by the corresponding switch.
  • this conductor can be switched de-energized by the corresponding switch.
  • the state of charge of the battery can always be kept above a certain minimum, so that the vehicle can be restarted in any case.
  • the battery can be saved thereby, so that a long life of the battery can be achieved.
  • the current flow through a conductor to an electrical load by the associated switch is separable, if there is a corresponding signal or corresponding information in the electrical module.
  • Switch conductor on or off For example, an additional monitoring unit can ensure that faulty electronics or electrics are deliberately switched off.
  • the invention relates to a method for electrical monitoring and control of a battery condition, especially in vehicles with a connection device according to the
  • Claims 1 to 16 By this method according to the invention, it is possible to detect the current flow in detail from the outgoing of the battery electrical conductor and turn on or off according to the detected measured values or based on external information.
  • the method can serve that the electric module in a parking position of the vehicle based on self-generated information the flow of current through a conductor to an electrical load "interrupts, if it is not switched off properly or does not switch to the so-called stand-by mode .
  • connection device in particular for a
  • FIG. 2 is a circuit diagram for a first embodiment of the connecting device according to the invention with a modular design
  • FIG. 3 is a circuit diagram for a second embodiment of the invention erf Ranndungswashen connection device
  • Fig. 4 is a circuit diagram for a third Ausunxngsbeispiel the connecting device according to the invention.
  • the connecting device 10 is shown as a one-piece element.
  • This connecting device 10 like the conventional connecting devices, has an opening 27 for the battery pole 12.
  • the connecting device 10 can be frictionally connected to the battery 12, so as to establish a secure electrical connection, the screw 29 and the nut 28 are provided, whereby the radius of the opening 27 when tightening the nut 28 can be reduced.
  • the screw 29 has a square head in order to avoid an independent rotation in the connecting device 10.
  • a switch 15 and a measuring resistor 14 is arranged in the outgoing strand of the connecting device 10, which is a conductor 13.
  • an insulation 30 is provided below the switch 15. This ensures that the current emanating from the battery must in any case flow through the switch 15 in order to reach the conductor 13.
  • connection device 10 differs from the conventional connection devices by their functionality.
  • the connecting device 10 according to the invention is able to detect the current flowing through and, if appropriate, to switch off a conductor 13 by means of the switch 15.
  • the connection device 10 has a measuring resistor 14, which is connected in series with the conductor 13.
  • the applied voltage at the measuring resistor 14 (abbreviated shunt for short) can thus be detected by an electrical module.
  • this electrical module it is also possible to actuate the switch 15.
  • a printed circuit board 24 is provided on which electrical or electronic components 25 and / or an integrated
  • Circuit (IC) 26 in particular a so-called ASIC is arranged.
  • connection device 10 conductor 13 The outgoing from the connecting device 10 conductor 13 are connected by a crimp connection with the connection device. In addition, it makes sense to complete the electronic or electrical part of the connection device 10 with a Kunststoffinasse to encase the connection device 10 to protect against external influences.
  • Embodiments is always the negative terminal 12 of Batteriel 1 connected to the ground or vehicle body.
  • the positive pole 12 of the battery 11 is provided with the connection device according to the invention.
  • the various conductors 13 D , 13 '13 are derived from this connection device 10.
  • the conductor 13 D is a permanent current conductor which is permanently connected to the positive pole 12 of the battery 11, in order to ensure that the emergency power systems connected to it or not
  • connection line 21 takes place.
  • This connection line 21 may be e.g. to act as a LEST or CAN bus system.
  • the connecting device 10 is constructed as a modular system.
  • the individual modules are interconnected by a higher-level unit.
  • the sense resistor 14' is provided to be able to determine the current flowing through in the conductor 13 '. Since the size of the measuring resistor 14 'itself is known, the current flowing through 1 can be determined on the basis of the measured voltage at the measuring resistor 14. Also, at this point, the temperature of the battery can be detected. This data is from the reiteratea ⁇
  • the switch 15 which is shown in FIG. 2 as a semiconductor switch, in particular MOS-FET semiconductor switch, via a bus system.
  • MOS-FET semiconductor switch By means of these semiconductor switches 15, it is possible to switch off the conductors 13 'and 13 "so that there is no longer any electrical connection to the positive pole 12 of the vehicle battery 11.
  • the current I s flows through the conductor 13' up to the starter or current I B
  • the resistor 14 is provided.
  • this resistor 14 is also known, so that the current I G can be determined by the applied voltage UQ .
  • This information is also transmitted via the data bus Pass information about the bus system to an external unit 17, or to a higher-level electrical module 16, which also belongs to the connection device 10.
  • FIG. 3 shows a central structure for the connecting device 10 according to the invention.
  • this connection device 10 just does not consist of individual modules that can communicate with each other in a variety of ways, but only from a single module.
  • the detected measured quantities at the resistor 14 'or 14 "are forwarded directly to an IC 2: 2.
  • This may in particular be an ASIC
  • connection line 21 ensures the exchange of information between the connection device 10 or the ASIC 22 and an external unit 17. Moreover, it is conceivable that an additional connection line 21 C is led to the connection device 10, as a result of which the conductors 13 'and In the event of a crash, the corresponding signal can thus ensure that the switch 15 is actuated, as a result of which the already mentioned conductors 13 'and 13 "are disconnected from the battery pole 12.
  • connection device 10 Order of arrangement of the switch 15 and the resistor 14 'reversed. However, this does not change the functionality of the connection device 10. It is also conceivable to replace the outgoing conductor 13 'by two conductors which are separated from one another. This makes it possible, e.g. only to turn off the starter, for example, if the allowable current Is is exceeded. For the practical implementation of the invention, it is recommended that the resistor 14 "does not exceed 100 ⁇ . Also, the resistor 14 'should not comprise more than 200 ⁇ T2.
  • connection device one-piece
  • Integrated Circuit eg ASIC

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Secondary Cells (AREA)

Abstract

L'invention concerne un dispositif de connexion (10) d'une batterie, notamment d'une batterie de véhicule, destiné à la connexion électrique d'un pôle de batterie à au moins un conducteur électrique (13), comportant au moins une résistance de mesure (14) prévue dans au moins un conducteur électrique sortant (13), conçue pour détecter le courant traversant le conducteur, la résistance de mesure (14) étant elle-même intégrée d'un seul tenant au dispositif de connexion (10). Ledit dispositif de connexion comporte également au moins un commutateur électrique (15) permettant de mettre en contact le conducteur électrique sortant (13) de telle manière que le flux de courant dans le conducteur (13) puisse être coupé ou enclenché, le commutateur électrique (15) étant également intégré au dispositif de connexion (10). Ledit dispositif de connexion comporte par ailleurs un module électrique (16) connecté électriquement à au moins une résistance de mesure d'une part (14) et au commutateur (15) d'autre part. Des informations d'une unité externe (17) et/ou des informations internes au dispositif de connexion (10), uniquement produites à l'intérieur du dispositif de connexion (10), sont employées pour la commande du ou des commutateurs électriques (15).
EP05785629A 2004-10-21 2005-08-29 Dispositif de connexion de securite intelligent Withdrawn EP1802482A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004051489A DE102004051489B4 (de) 2004-02-17 2004-10-21 Intelligente Sicherheits-Anschlussvorrichtung
PCT/EP2005/009283 WO2006045366A1 (fr) 2004-10-21 2005-08-29 Dispositif de connexion de securite intelligent

Publications (1)

Publication Number Publication Date
EP1802482A1 true EP1802482A1 (fr) 2007-07-04

Family

ID=35169286

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05785629A Withdrawn EP1802482A1 (fr) 2004-10-21 2005-08-29 Dispositif de connexion de securite intelligent

Country Status (2)

Country Link
EP (1) EP1802482A1 (fr)
WO (1) WO2006045366A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008040810A1 (de) * 2008-07-29 2010-02-04 Robert Bosch Gmbh Elektrisches Bordnetzsystem
DE102013217458A1 (de) * 2013-09-02 2015-03-05 Robert Bosch Gmbh Schützbaugruppe für eine elektrochemische Zellen umfassende Hochvolt-Speichereinheit

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2260635A (en) * 1991-10-16 1993-04-21 Europ Research Corp Battery and vehicle protection unit
JP3338564B2 (ja) * 1994-09-28 2002-10-28 富士通株式会社 電池パックおよび電池パックを使用する装置
JP3334841B2 (ja) * 1996-03-28 2002-10-15 矢崎総業株式会社 車両用電源遮断装置及び車両用電源遮断システム
US6304062B1 (en) * 1999-10-28 2001-10-16 Powersmart, Inc. Shunt resistance device for monitoring battery state of charge
JP3549806B2 (ja) * 2000-03-01 2004-08-04 株式会社日立製作所 自動車用電源の制御装置
US6781360B1 (en) * 2003-02-10 2004-08-24 Siemens Vdo Automotive Inc. Jump bar shunt structure for power components

Non-Patent Citations (1)

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Title
See references of WO2006045366A1 *

Also Published As

Publication number Publication date
WO2006045366A1 (fr) 2006-05-04

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