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WO2018011365A1 - Système de batterie - Google Patents

Système de batterie Download PDF

Info

Publication number
WO2018011365A1
WO2018011365A1 PCT/EP2017/067752 EP2017067752W WO2018011365A1 WO 2018011365 A1 WO2018011365 A1 WO 2018011365A1 EP 2017067752 W EP2017067752 W EP 2017067752W WO 2018011365 A1 WO2018011365 A1 WO 2018011365A1
Authority
WO
WIPO (PCT)
Prior art keywords
fuse
characteristic
battery system
battery
electrical
Prior art date
Application number
PCT/EP2017/067752
Other languages
German (de)
English (en)
Inventor
Andreas HAMMA
Matthias Reckermann
Robert Hasenfratz
Michael Günther ZEYEN
Dietmar Bytzek
Günter Uhl
Original Assignee
Marquardt Gmbh
VANCOM GmbH & 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
Application filed by Marquardt Gmbh, VANCOM GmbH & Co. KG filed Critical Marquardt Gmbh
Priority to EP17739280.0A priority Critical patent/EP3485553A1/fr
Publication of WO2018011365A1 publication Critical patent/WO2018011365A1/fr

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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/0039—Means for influencing the rupture process of the fusible element
    • H01H85/0047—Heating means
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current
    • H02H3/093—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current with timing means
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/18—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for batteries; for accumulators
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2200/00—Safety devices for primary or secondary batteries
    • H01M2200/10—Temperature sensitive devices
    • H01M2200/103—Fuse

Definitions

  • the invention relates to a battery system according to the preamble of patent claim 1.
  • Such battery systems are used in particular in a motor vehicle.
  • Such a battery system is used to supply energy to a consumer.
  • Battery system comprises a battery having at least one battery and / or battery cell.
  • the consumer is in electrical connection with the battery via a supply line.
  • a fuse is arranged, which serves to protect the battery and / or the connected consumer.
  • unfavorable situations and / or unfavorable conditions may arise in which the fuse can no longer react within the required times, so that the reliability is impaired. There is then the risk of impairment and / or destruction of the battery system, for example by a battery and / or a line and / or a consumer fire.
  • the invention has for its object to further develop the battery system such that the reliability is improved.
  • the characteristic and / or the tripping characteristic of the fuse of the respective situation and / or the respective state can be adapted, whereby an impairment and / or destruction of the battery system and / or the consumer is met even under unfavorable conditions.
  • Further embodiments of the invention are the subject of the dependent claims.
  • the fuse can
  • fuse element and a holder for the fuse element.
  • Influencing the tripping characteristic interact with the fuse element.
  • Influencing the tripping characteristic interact with the fuse element.
  • such an embodiment is destroyed for easy replacement of
  • the fuse element may be a fuse.
  • the fuse may in turn comprise a fuse wire.
  • the securing element can be configured as a component with end-side electrical connection elements.
  • the component may be cylindrical, cuboidal, prismatic or the like, and / or the connection elements to be designed in the manner of connection caps.
  • the holder may have a contact element for receiving the connection element and a connection to the electrical supply line.
  • Fuse element in the holder the contact element resiliently, screwed o.
  • the means for changing the characteristic curve and / or for influencing the tripping characteristic can comprise a heat source in thermal connection with the fuse element.
  • the fuse element can be acted upon by thermal energy.
  • the fuse can be acted upon by the introduced into the molten wire heat with thermal energy.
  • the heat source is arranged on the contact element electrical Include heating element.
  • the fuse can be acted upon by the introduced into the molten wire heat with thermal energy. For this can
  • the heat source comprise a built-in fuse element electric heating wire.
  • a built-in fuse element electric heating wire Such a configuration is characterized by special
  • the means for changing the characteristic and / or for influencing the tripping characteristic comprise a cold source which is in thermal connection with the fuse element and / or arranged in the fuse element.
  • the fuse element can be acted upon with cold.
  • the fuse can be cooled by the introduced into the fuse wire cooling.
  • the heat and / or cold source may be a Peltier element.
  • the fuse element may be operable as a shunt resistor.
  • the electrical current flowing in the supply line can be determined on the basis of a measurement of the electrical voltage drop across the shunt resistor. This can be a
  • the contacting element for measuring the electrical voltage drop across the shunt resistor with the connection element in electrical contact.
  • the contacting element can be arranged in the region of the contact element as well as electrically insulated relative to the contact element.
  • the state of the fuse element can be diagnosed on the basis of the voltage drop measured at the shunt resistor and / or the holder. In particular, depending on the measured voltage drop, the state of the fuse can be determined. For example, hereby the quality of the
  • Fuse of the fuse and / or the quality of the contact can be determined by means of the contact elements. Consequently, the securing means offers a further extension of the functionality without additional costs.
  • a temperature sensor can be arranged on the fuse element and / or on the holder. Conveniently, the temperature sensor in the
  • Temperature sensor the temperature of the fuse element measurable.
  • the temperature sensor as an NTC resistor, as a PTC sensor, as a semiconductor temperature sensor o. The like.
  • the fuses must be operated safely as long as the energy source can supply sufficient energy.
  • the idea is to equip the fuse with a heat source. This means that one initiates targeted heat in the fuse wire. As a result, a heat accumulation in the fuse can be achieved even under unfavorable conditions, whereby a melting of the securing thread is achieved. Unfavorable condition means that the energy source can not provide the required energy. This measure directly influences the fuse characteristic. This influence has effects on the downstream systems.
  • the fuse may also be equipped with a cold source for introducing cold into the fuse wire.
  • the fuse is also operated as a shunt resistor. This means you measure the voltage drop across this shunt resistor and can thereby determine the flowing electrical current. Depending on this current value, it is possible to infer the condition of the fuse
  • a fuse holder for a fuse in particular for a Hochstroni fuse. with the following properties:
  • the fuse holder for a replaceable fuse in particular a high-current fuse should be designed so that even over longer periods of operation, especially with high currents, is ge
  • the fuse function of the fuse element is identical to the function of a fuse according to the prior art with all the known properties. Among other things, these fuses have very long tripping times at low overcurrents, for example at 1 10% of the rated fuse current. In addition, the fuse element by an external heating in the contact elements of the
  • Fuse holder integrated heating elements for triggering, i. to be melted.
  • the heating elements are preferably activated when through
  • Monitoring devices for example via a measurement of the load current
  • the fuse element is designed to have a defined and known behavior of its electrical resistance. This can be determined by measuring the voltage drop across the fuse element flowing through the fuse current. In addition, a poor contact of the fuse element in the fuse holder can be detected in this way. If an evaluation of the voltage drops with known fuse resistance is not sufficient, it is optionally possible to determine the temperature of the fuse element, for example via a temperature sensor integrated in the fuse holder.
  • a proven technique can be used.
  • the characteristic of the fuse "current over time” can be changed.
  • the current measurement can be implemented with the fuse as a shunt element.
  • the diagnosis of the fuse can be implemented with the fuse shunt element.
  • the wiring can be reduced significantly in the cross sections, which in turn brings cost advantages.
  • FIG. 1 shows a battery system with a fuse in a schematic view
  • Fig. 2 shows the fuse in front and in side view
  • Fig. 3 shows the electrical circuit arrangement for the fuse.
  • FIG. 1 shows a battery system 1 for a motor vehicle.
  • the battery system 1 comprises a battery 2, which has at least one battery and / or battery cell 3. With the battery 2 is a consumer 4 via a supply line 5 in electrical connection. In the supply line 5, a fuse 6 is arranged.
  • the fuse 6 comprises a fuse element 6 'and a holder 6 "for the fuse element 6.
  • the means 8 acts for changing the characteristic and / or for influencing the tripping characteristic with the securing element 6 'together.
  • the fuse element 6 ' is in a further embodiment to a
  • the fuse 6 ' has a fuse wire 7, as shown schematically in FIG. 1.
  • the means 8 for changing the characteristic comprises a heat source 10 which is in thermal connection with the securing element 6 '. As a result, the securing element 6' is driven by corresponding activation of the means 8
  • the fuse 6 can be acted upon by heat introduced into the melting wire 7 with heat energy.
  • the fuse 6 even then functionally reliable operation, if the residual energy remaining in the battery 3 would not be sufficient for this purpose.
  • the fuse 6 in the manner of acceleration can be influenced, so that their missing and / or creeping off is prevented.
  • the securing element 6 as a cylindrical component with end-side electrical connection elements 12 in the manner of
  • connection caps designed.
  • the holder 6 "in turn has a resilient
  • Connection element 12 of the fuse element 6 ' is supplied. If desired, the securing element 6 'can also be screwed or the like can be fastened in the holder 6 ".
  • the heat source 10 comprises an electrical heating element 10 arranged on the holder 6 "or on the contact element 13.
  • the heating element 10 is located directly on the
  • Thermal energy includes.
  • Fuse element 6 'built-in electric heating wire include, but this is not shown.
  • Compound 9 standing cold source include.
  • the fuse element 6 ' is then acted upon with cold, and indeed the fuse 6' can be cooled by the introduced into the fuse wire 7 cold.
  • the fuse 6 can be influenced in the manner of a delay, so that their premature release is prevented.
  • a Peltier element is particularly suitable.
  • a Peltier Element can be operated in the desired manner for heating and / or cooling.
  • the fuse element 6 'as a shunt resistor operable.
  • the electrical current flowing in the supply line 5 can be determined on the basis of a measurement 1 1 of the electrical voltage drop across the shunt resistor &.
  • a contacting element 15 is in electrical contact with the connection element 12.
  • the contacting element 15 is arranged in the region of the contact element 13 and electrically insulated relative to the contact element 13 by passing the contacting element 15 through an opening 16 in the contact element 13 and at a distance from the contact element 13.
  • the state of the fuse element 6 'diagnosed In particular, depending on the measured voltage drop, the state of the fuse 6 ', namely the quality of the fuse filament 7 of the fuse 6' and / or the quality of the contact elements 13 of the fuse 6 'can be determined.
  • a temperature sensor 17 may be arranged on the securing element 6 'so that the temperature of the securing element 6' can be measured by means of the temperature sensor 17. Taking into account the current temperature of the fuse element 6 'is then a sensitive control of the means 8 for changing the characteristic and / or the
  • the temperature sensor 17 may be configured as an NTC resistor, a PTC sensor, a semiconductor temperature sensor, or the like.
  • the fuse (Si) 6 ' is preferably as a cylindrical component with the electrical connection caps 12 at the two ends of the
  • the fuse can also be configured as a cuboidal component with a rectangular cross section of, for example, 50 mm ⁇ 50 mm and a length of, for example, 100 mm.
  • the fuse also another suitable design, such as a prismatic shape, with appropriate
  • the fuse wire 7 of the fuse element 6 ' is optimized in its electrical resistance Rsi (see FIG. 3) in order to use it as a measuring shunt for current measurement.
  • the fuse holder 6 "consists of metallic, resilient contact elements 13 with terminals (AI, A2) 14 to the load circuit (load current L), wherein the contact elements 13, the securing element (Si) 6 'engage around the terminal caps 12 and so the electrical contact between fuse holder. 6 and securing element 6 ', similar to the fuse holder for the known fuses described above. On both contact elements 13 electrical heating elements (Hei, He2) 10 are fixed, which are connected for example electrically in series.
  • the fuse holder 6 "additionally contains two further contacting elements 15, which likewise touch the terminal caps 12 of the fuse element 1.
  • These contacting elements 15 are arranged spatially in the region of the contact elements 13, but are electrically insulated from them in the sense of a sense connection, the voltage drop is measured above the actual fuse element 6 ', optionally further integrated in the fuse holder 6 "is a temperature sensor (Ts) 17, for example designed as an NTC, via which the temperature of the
  • Fuse element 6 ' can be detected.
  • the electrical circuit diagram for the fuse 6 is shown in more detail in FIG.
  • the load current II flows via the terminal (AI) 14 through the resistor RKI, which represents the electrical contact resistance between the first contact element 13 and the fuse element 6 ', through the resistor Rsi of the fuse element 6' and then through the Resistor R 2, the electrical contact resistance between the second
  • Contact element 13 and the fuse element 6 ' represents the connection (A2) 14.
  • the voltage drop Usi on the fuse element 6' can be measured.
  • Rsi so that the load current II can be determined.
  • the contact resistance R I and RK 2 of the contact can then be determined from the total voltage drop ⁇ Ges.
  • Ts temperature sensor 17
  • the temperature of the fuse element 6 'and a temperature increase can be determined by the flowing load current II.
  • the resistance RTS at the terminals Tsl and Ts2 of the temperature sensor 17 is measured.
  • the invention is not limited to the described and illustrated embodiment. Rather, it also encompasses all expert developments within the scope of the invention defined by the claims. Thus, the invention can not only be used in motor vehicles but can also be used in all other battery projects and / or systems in which thermal energy is generated.
  • Connection element (on securing element)
  • Connection cap Contact element (on the holder)

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Fuses (AREA)
  • Connection Of Batteries Or Terminals (AREA)

Abstract

L'invention concerne un système de batterie (1), destiné en particulier à un véhicule automobile, ce système comprenant une batterie (2) présentant au moins un élément de batterie et/ou un élément d'accumulateur (3). Un consommateur (4) est relié électriquement à la batterie (2) par l'intermédiaire d'une ligne d'alimentation (5). Un dispositif de sécurité (6) est disposé dans la ligne d'alimentation (5). Un moyen (8) est en outre mis en œuvre pour faire varier la courbe caractéristique et/ou pour influer sur la caractéristique de déclenchement relatives au dispositif de sécurité (6).
PCT/EP2017/067752 2016-07-15 2017-07-13 Système de batterie WO2018011365A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP17739280.0A EP3485553A1 (fr) 2016-07-15 2017-07-13 Système de batterie

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
DE102016008500 2016-07-15
DE102016008499 2016-07-15
DE102016008500.2 2016-07-15
DE102016008499.5 2016-07-15
DE102016008599.1 2016-07-19
DE102016008599 2016-07-19
DE102016008600 2016-07-19
DE102016008600.9 2016-07-19

Publications (1)

Publication Number Publication Date
WO2018011365A1 true WO2018011365A1 (fr) 2018-01-18

Family

ID=59325317

Family Applications (2)

Application Number Title Priority Date Filing Date
PCT/EP2017/067750 WO2018011364A2 (fr) 2016-07-15 2017-07-13 Coupe-circuit, destiné en particulier à un consommateur
PCT/EP2017/067752 WO2018011365A1 (fr) 2016-07-15 2017-07-13 Système de batterie

Family Applications Before (1)

Application Number Title Priority Date Filing Date
PCT/EP2017/067750 WO2018011364A2 (fr) 2016-07-15 2017-07-13 Coupe-circuit, destiné en particulier à un consommateur

Country Status (3)

Country Link
EP (2) EP3485553A1 (fr)
DE (2) DE102017006520A1 (fr)
WO (2) WO2018011364A2 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999009574A1 (fr) * 1997-08-16 1999-02-25 Daimlerchrysler Ag Element fusible pour installations electriques, ainsi que procede et circuit pour actionner un element fusible
US6351361B1 (en) * 1999-04-23 2002-02-26 Sony Chemicals Corporation Overcurrent protection device
US20030134183A1 (en) * 2001-02-06 2003-07-17 Norikazu Iwasaki Protection circuit-equipped secondary battery
US20080129441A1 (en) * 2003-07-08 2008-06-05 Darr Matthew R Fuse With Fuse State Indicator
US20160099459A1 (en) * 2013-05-24 2016-04-07 Super B B.V. Battery with integrated fuse

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3255383A (en) * 1963-01-29 1966-06-07 Westinghouse Electric Corp Fuse containing means responsive to large fault currents and means responsive to small continuous overloads
DE2652495C3 (de) * 1976-11-18 1980-09-25 Messerschmitt-Boelkow-Blohm Gmbh, 8000 Muenchen Elektrische Schmelzsicherung
AT383697B (de) * 1983-09-15 1987-08-10 Wickmann Werke Gmbh Schutzvorrichtung zum unterbrechen eines stromkreises von elektrischen geraeten, maschinen etc.

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999009574A1 (fr) * 1997-08-16 1999-02-25 Daimlerchrysler Ag Element fusible pour installations electriques, ainsi que procede et circuit pour actionner un element fusible
US6351361B1 (en) * 1999-04-23 2002-02-26 Sony Chemicals Corporation Overcurrent protection device
US20030134183A1 (en) * 2001-02-06 2003-07-17 Norikazu Iwasaki Protection circuit-equipped secondary battery
US20080129441A1 (en) * 2003-07-08 2008-06-05 Darr Matthew R Fuse With Fuse State Indicator
US20160099459A1 (en) * 2013-05-24 2016-04-07 Super B B.V. Battery with integrated fuse

Also Published As

Publication number Publication date
EP3485554A2 (fr) 2019-05-22
DE102017006519A1 (de) 2018-01-18
WO2018011364A2 (fr) 2018-01-18
DE102017006520A1 (de) 2018-01-18
EP3485553A1 (fr) 2019-05-22
WO2018011364A3 (fr) 2018-04-05

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