WO2012123178A2 - Dispositif de charge de sécurité - Google Patents

Dispositif de charge de sécurité Download PDF

Info

Publication number
WO2012123178A2
WO2012123178A2 PCT/EP2012/051666 EP2012051666W WO2012123178A2 WO 2012123178 A2 WO2012123178 A2 WO 2012123178A2 EP 2012051666 W EP2012051666 W EP 2012051666W WO 2012123178 A2 WO2012123178 A2 WO 2012123178A2
Authority
WO
WIPO (PCT)
Prior art keywords
charging
current
fuse
adapter
monitoring device
Prior art date
Application number
PCT/EP2012/051666
Other languages
German (de)
English (en)
Other versions
WO2012123178A3 (fr
Inventor
Alexander Osswald
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 WO2012123178A2 publication Critical patent/WO2012123178A2/fr
Publication of WO2012123178A3 publication Critical patent/WO2012123178A3/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
    • H01H85/02—Details
    • 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

Definitions

  • Safety charging device The invention relates to a charging device for a rechargeable electric
  • the invention relates to an adapter for a charger for charging an energy store.
  • Modern electrical energy storage devices such as those used for operating small electrical appliances, include a number of battery cells for storing the electrical energy and control electronics for monitoring and controlling an energy exchange of the individual battery cells.
  • Such an electronic control system is particularly suitable for lithium-ion batteries and nickel
  • Metal hydride batteries usual.
  • the control electronics for example, ensures that the energy storage is not too fast and not too charged. As a result, an explosion or fire hazard when charging the energy storage can be minimized.
  • modern energy storage devices include structural devices in the region of the individual battery cells in order to minimize the risk to a user or to an environment of the energy storage device.
  • DE 102 03 909 a charging device for an electrical energy storage is shown, in which a redundant protection against a charging error in the energy storage is provided.
  • this enables the redundant safety shutdown in the event of a charging error.
  • the arrangement of the redundant safety shutdown in the charger it is not necessary to differentiate between a charging current and a discharge current, which may exceed the charging current many times.
  • the safety shutdown can be made more robust and reliable.
  • the redundant safety shutdown means that even advanced and far-reaching safety standards can be met.
  • a range of uses of the energy storage can be increased, for example, in sensitive areas such as human and veterinary medicine or in an explosive environment. Due to the design in the form of a fuse, the second interrupting device can be realized simply, inexpensively and functionally reliable.
  • the second monitoring device is configured to cause a melting of the fuse in the event of a charging error.
  • the second interrupting device can also be triggered when the charging current is not increased or only insignificantly above the predetermined threshold value.
  • the firing rate of the fuse can thus be independent of how far and how long the charging current exceeds the predetermined threshold.
  • the response of the melt This can be accelerated and made dependent on any measured values that indicate a loading error.
  • the second monitoring device is configured to switch the fuse parallel to a current source to the
  • This power source may be, in particular, the rechargeable energy store, which can provide a much higher current than the power source, so that the fuse is cut quickly and safely.
  • the existing functionality of the fuse can thus be used advantageously for interrupting the charging current due to any charging error.
  • the fuse may include a separate electrical activation element for independently triggering the fuse, wherein the second monitoring device is configured to switch the activation element in parallel with a current source to effect triggering.
  • the triggering or melting of the fuse can thus be effected by means of a current whose potential is separated from the charging current. As a result, tripping safety can be further increased.
  • a further energy storage can be provided.
  • the charging current can be interrupted even if the energy storage device does not have sufficient charge to melt the fuse and at the same time the current provided by the power source of the charger is not available or is not available for melting the fuse for other reasons.
  • the second monitoring device preferably comprises an interface to a third monitoring device arranged in the energy store, wherein the second monitoring device is set up to carry out the melting in response to a signal received via the interface.
  • the signal may be provided, for example, by a sensor within the energy store.
  • the sensor may be, for example, a temperature, current or voltage sensor.
  • a charging error may be present if at least one of a charging current, a temperature of the energy store, a temperature of the charging device and a voltage of the energy store leaves an assigned predetermined value range.
  • An inventive adapter for charging a rechargeable electric energy storage device to a charger, wherein the charger is a
  • Power source with two power terminals for providing a charging current for charging the energy storage and a first monitoring device and an associated interruption device for interrupting the charging current in the event of a charging error comprises.
  • the adapter comprises a second interruption device in the form of a fuse for interrupting the charging current in the event of the charging current rising above a predetermined threshold value.
  • an existing charger of the type mentioned can be expanded to the charging device described above with redundant shutdown. A cost and resource-saving reuse of an existing charger can be made possible.
  • a first mechanical connection between the charger and the adapter and a second mechanical connection between the adapter and the energy store are incompatible with one another.
  • FIG. 2 shows an embodiment of a fuse
  • FIG. 3 shows an adapter on a charger and an energy store.
  • FIG. 1 shows a charging device 100 with redundant shutdown devices.
  • the charging device 100 is connected to an energy storage 105.
  • the charging device 100 includes a current source 110 having a first terminal 115 and a second terminal 120.
  • the current source 110 is configured to provide a predetermined charging current between the first terminal
  • the current source 110 comprises a first monitoring device 125 with an associated first interrupt device 127, which is set up to interrupt the charging current at the terminals 115, 120 if a charging error was detected by the first monitoring device 125.
  • the charging device For contacting the energy store 105, the charging device comprises a first contact 130, a second contact 135 and a third contact 140.
  • the first contact 130 is connected to the first terminal 115 of the current source 110 by means of a fuse 145.
  • the second contact 135 is directly connected to the second terminal 120 of the power source.
  • a switching device 147 is configured to electrically connect the first terminal 1 15 to the second terminal 120 if a corresponding control signal of the second monitoring device 150 is present.
  • the switching device 147 is controllable and may be constructed, for example, on the basis of a relay or a semiconductor switch.
  • the second monitoring device 150 is set up to determine a charging error and then output a corresponding signal to the switching device 147.
  • the second monitoring device 150 may itself determine the presence of a charging error due to measurements of, for example, a temperature, a current or a voltage. Furthermore, the second monitoring device 150 can be connected by means of a third connection 155 to the first monitoring device 125 in the current source 110 in order to exchange signals unidirectionally or bi-directionally, which indicate the presence of a charging error. In another embodiment, there is none
  • Connection between the monitoring devices 127 and 150 and the third port 155 may be omitted.
  • the energy storage 105 comprises at least one battery cell 160 and a third one
  • the battery cells 160 are connected in series and connected to the first contact 130 and the second contact 135 as long as the energy storage 105 is connected to the charging device 100.
  • the third monitoring device 165 is optionally operated with a voltage which is derived from the battery cells 160 connected in series with each other.
  • the third monitoring device 165 may additionally be connected to a single one of the battery cells 160.
  • the third monitoring device comprises
  • the sensor arrangement 165 one or more sensors to determine, for example, a temperature or a cell voltage at one of the battery cells 160.
  • the sensor arrangement 165 comprises a programmable microcomputer for the periodic or continuous monitoring of the Akkuzel- len 160 in different operating states of the energy storage 105th Die
  • Sensor arrangement 165 is connected to third contact 140 of charging device 100, while energy storage 105 is connected to charging device 100.
  • the second monitoring device 150 can be connected to the third monitoring device 165 of the energy store 105 by means of the third contact 140. be to unidirectionally or bidirectionally exchange signals indicative of the presence of a charging error. In another embodiment, there is no connection between the monitoring devices 150 and 165 and the third contact 140 may be omitted.
  • a further energy store 180 which may comprise, for example, an accumulator or a capacitor, is connected to the contacts 130 and 135 and to the second monitoring device 150.
  • the further energy storage 180 provides energy that is required to actuate the switching device 147 if neither the energy storage 105 nor the power source 110 can perform this task.
  • the switching device 147 causes the switching device 147, if it is activated, that the fuse 147 is connected in parallel to the energy storage 105, so that the flowing through the energy storage 105
  • Short-circuit current brings the fuse 145 to melt, so that the charging current of the power source 110 is interrupted to the energy storage 105.
  • the switching device 147 connects the power connections 1 15 and 120 of the current source 110, so that the first monitoring device 125 determines a charging error in the form of an excessively high charging current and by means of the first
  • the further energy storage 180 can be connected by means of the switching element 147 so parallel to the fuse 145, that the fuse is melted by the electrical energy provided by the further energy storage 180, so that the charging current is turned off by the energy storage 105 ,
  • Fig. 2 shows an embodiment of the fuse 145 of Fig. 1.
  • fuses known having a fuse wire through which the current to be protected flows. If the current exceeds a predetermined threshold, the fuse is triggered by melting the fuse wire and breaking the current.
  • a fuse is used in the charging device of FIG. 1, which additionally includes a possibility of tripping independent thereof, so that the fuse can be triggered if necessary even if only little or no current flows through the fuse wire.
  • the fuse may include a chemical reaction element that is configured to expand upon electrical activation and break the fuse wire. The interruption can also be caused pyrotechnic and the electrical activation can be done by an electric heating element.
  • FIG. 2 shows a further fuse which can also be used in the charging device of FIG. 1 with separate electrical activation.
  • the fuse 200 comprises a glass tube 205, at the opposite ends of each of which contacts of a first pair of contacts 210 and one of them electrically insulated second contact pair 215 are attached.
  • the first pair of contacts 210 is connected to a fuse wire 220 that extends within the glass tube 205.
  • the safety wire is sized in material, diameter and length so that it melts when it is flowed through by a predetermined current. In this case, a time that is necessary for melting, be determined in the form of inertia.
  • the fuse wire 220 is in the vicinity of a heating wire 225, wherein preferably there is no electrical contact.
  • the fuse wire 220 is wound by the heating wire 225.
  • a current flows through the heating wire 225, it heats the fuse wire 220 so that the fuse wire 220 melts.
  • the fuse 200 shown in FIG. 2 can be used such that with the aid of the switching device 147 of the heating wire 225 with the contacts 130 and 135, with the terminals 1 15 and 120 or with the terminals of the other Energy storage 210 is connected to cause melting of the fuse wire 220 and thus switching off the charging current through the energy storage 105.
  • FIG. 3 shows a further embodiment 300 of the charging device 100 from FIGS. 1 to 3, the charging device 300 being connected to the energy storage 105 from FIGS. 1 and 2.
  • FIG. 3A shows an embodiment 300 of the charging device 100 in a lateral view.
  • the charging device 300 comprises a charging device 305 and an adapter 310.
  • the adapter 310 is arranged mechanically between the charging device 305 and the energy storage 105.
  • the charger 305 corresponds to the power source 110 with the first fuse 125 and the first one
  • the adapter 310 extends the current source 110 of FIG. 1 to the charger 100 from Fig. 1, so that the charging device 100 according to the invention can be easily and safely created on the basis of the known power source 1 10.
  • the adapter 310 is configured to enter into a first mechanical connection 315 to the charger 305 and a second mechanical connection 320 to the energy store 105.
  • the adapter 310 is designed in the region of the connections 315, 320 such that incorrect orientation or omission of the adapter 310 prevents operation of the energy store 105 on the charger 305.
  • FIG. 3B shows in a first section AA of the charging device 300 from FIG. 3A a surface of the adapter 310 in the region of the second mechanical connection 320.
  • FIG. 3C shows in a second section BB of the charging device 300 from FIG. 3A an opposite surface of the adapter 310 in the region of the second mechanical connection 315.
  • Corresponding contacts or connections of the energy store 105 and the charging device 305 each have corresponding arrangements.
  • Other embodiments of the adapter 310, not shown, may include other arrangements of the contacts or connections and / or other mechanical coupling elements that fulfill the purpose of the polarity reversal protection described below.
  • the illustrated arrangements of the contacts 15, 120, 130, 135, 140 and 155 ensure that the energy store 105 can only be charged on the charger 305 if the adapter 310 is arranged in the correct orientation between the energy store 105 and the charger 305 is.
  • An internal distance between the first contact 130 and the second contact 135 of the adapter 310 in the region of the second mechanical connection 320 is large. than the outer spacing of the first and second contacts 115 and 120 arranged in the region of the first mechanical connection 315.
  • the relative positions of the third contact 140 and the third connection 155 are far enough different in the vertical direction of the adapter 310 to ensure here as well. that the contact to the charger 305 or the energy storage 105 is only made when the adapter 310 is disposed in the manner provided between the energy storage 105 and the charger 305.
  • the contacts 130, 135, 155 on the adapter 310 do not find electrical connection to the terminals 115, 120, 155 of the charger 305.
  • the contacts 130, 135, 155 of the energy storage 105 when it is placed on the wrong way around the charger 305 placed adapter, no electrical connection to the terminals 115, 120, 155 of the adapter 310th Wrd the energy storage 105 with the omission of the adapter 310 placed on the charger 305, Thus, for the same reasons also no electrical contact, so that the energy storage 105 can not be charged directly to the charger 305.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

L'invention concerne un dispositif de charge pour un accumulateur d'énergie électrique rechargeable, comprenant une source de courant dotée de deux connexions électriques et destinée à fournir un courant de charge pour le chargement électrique de l'accumulateur d'énergie, un premier dispositif de surveillance et un dispositif de coupure associé pour la coupure du courant de charge en cas d'erreur de charge et un deuxième dispositif de coupure sous la forme d'un fusible pour couper le courant de charge si le courant de charge dépasse une valeur seuil prédéterminée.
PCT/EP2012/051666 2011-03-11 2012-02-01 Dispositif de charge de sécurité WO2012123178A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201110005418 DE102011005418A1 (de) 2011-03-11 2011-03-11 Sicherheits-Ladeeinrichtung
DE102011005418.9 2011-03-11

Publications (2)

Publication Number Publication Date
WO2012123178A2 true WO2012123178A2 (fr) 2012-09-20
WO2012123178A3 WO2012123178A3 (fr) 2013-12-27

Family

ID=45558734

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2012/051666 WO2012123178A2 (fr) 2011-03-11 2012-02-01 Dispositif de charge de sécurité

Country Status (2)

Country Link
DE (1) DE102011005418A1 (fr)
WO (1) WO2012123178A2 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014014739A1 (de) * 2014-10-09 2016-04-14 Fsm Ag Sicherungsschaltung, Batterieanordnung und Verfahren zum sicheren Trennen einer Spannungsquelle
DE102019125677A1 (de) * 2019-09-24 2021-03-25 Vorwerk & Co. Interholding Gmbh Akkumulatorschaltung

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016105802A1 (de) * 2016-03-30 2017-10-05 Festool Gmbh Energiespeichermodul für eine Hand-Werkzeugmaschine und Ladegerät dafür

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6007373A (en) * 1998-05-22 1999-12-28 Chew; William E. Apparatuses and methods for coupling DC power tools to external DC power sources
EP1107344A1 (fr) * 1999-05-17 2001-06-13 Matsushita Electric Industrial Co., Ltd. Circuit et dispositif de protection d'accumulateur secondaire
WO2004019474A1 (fr) * 2002-08-15 2004-03-04 Leoni Kabel Gmbh & Co Kg Fiche de connexion au secteur
EP1455431A2 (fr) * 2003-03-07 2004-09-08 Yamaha Hatsudoki Kabushiki Kaisha Dispositif de charge d'accumulateur pour vehicules entraínée par un moteur électrique
US20060132087A1 (en) * 2004-12-17 2006-06-22 Benq Corporation Electronic device with function of protection against abnormal charging
US20070103834A1 (en) * 2005-11-07 2007-05-10 Chun-Wei Huang Circuit for charging protection with enhanced overcurrent protection circuitry
EP1921727A2 (fr) * 2006-11-06 2008-05-14 Samsung SDI Co., Ltd. Batterie hybride et son procédé de charge
US20090058362A1 (en) * 2007-08-30 2009-03-05 Chang-Yong Yun Protection circuit for battery pack and battery pack having the same
EP2043224A2 (fr) * 2007-09-27 2009-04-01 Samsung SDI Co., Ltd. Circuit de protection pour bloc-batterie
US20100194352A1 (en) * 2009-02-02 2010-08-05 Fujitsu Microelectronics Limited Charging circuit, charging apparatus, electronic equipment and charging method

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10203909C1 (de) 2002-01-31 2003-11-20 Dialog Semiconductor Gmbh Lade/Entlade-Schutzschaltung für eine wiederaufladbare Batterie

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6007373A (en) * 1998-05-22 1999-12-28 Chew; William E. Apparatuses and methods for coupling DC power tools to external DC power sources
EP1107344A1 (fr) * 1999-05-17 2001-06-13 Matsushita Electric Industrial Co., Ltd. Circuit et dispositif de protection d'accumulateur secondaire
WO2004019474A1 (fr) * 2002-08-15 2004-03-04 Leoni Kabel Gmbh & Co Kg Fiche de connexion au secteur
EP1455431A2 (fr) * 2003-03-07 2004-09-08 Yamaha Hatsudoki Kabushiki Kaisha Dispositif de charge d'accumulateur pour vehicules entraínée par un moteur électrique
US20060132087A1 (en) * 2004-12-17 2006-06-22 Benq Corporation Electronic device with function of protection against abnormal charging
US20070103834A1 (en) * 2005-11-07 2007-05-10 Chun-Wei Huang Circuit for charging protection with enhanced overcurrent protection circuitry
EP1921727A2 (fr) * 2006-11-06 2008-05-14 Samsung SDI Co., Ltd. Batterie hybride et son procédé de charge
US20090058362A1 (en) * 2007-08-30 2009-03-05 Chang-Yong Yun Protection circuit for battery pack and battery pack having the same
EP2043224A2 (fr) * 2007-09-27 2009-04-01 Samsung SDI Co., Ltd. Circuit de protection pour bloc-batterie
US20100194352A1 (en) * 2009-02-02 2010-08-05 Fujitsu Microelectronics Limited Charging circuit, charging apparatus, electronic equipment and charging method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014014739A1 (de) * 2014-10-09 2016-04-14 Fsm Ag Sicherungsschaltung, Batterieanordnung und Verfahren zum sicheren Trennen einer Spannungsquelle
DE102014014739B4 (de) 2014-10-09 2023-03-30 Fsm Ag Sicherungsschaltung, Batterieanordnung und Verfahren zum sicheren Trennen einer Spannungsquelle
DE102019125677A1 (de) * 2019-09-24 2021-03-25 Vorwerk & Co. Interholding Gmbh Akkumulatorschaltung

Also Published As

Publication number Publication date
DE102011005418A1 (de) 2012-09-13
WO2012123178A3 (fr) 2013-12-27

Similar Documents

Publication Publication Date Title
EP3259792B1 (fr) Élément de batterie pour une batterie de véhicule à moteur, batterie et véhicule à moteur correspondants
EP2779271B1 (fr) Élément de sécurité pour cellule de batterie
EP2862218B1 (fr) Système de gestion de batterie, véhicule automobile et module de batterie
DE102017203851B4 (de) Elektrische Sicherung, Verfahren zum Betreiben einer elektrischen Sicherung und elektrisches Traktionsnetz
EP3166172B1 (fr) Élement de batterie comprenant une unite de decharge rapide et procede de decharge rapide pour un tel element de batterie
DE102011014343A1 (de) Sicherungsvorrichtung für eine Spannungsversorgung eines Kraftfahrzeugs
EP2878019A2 (fr) Batterie à interrupteur thermique
WO2011026596A2 (fr) Dispositif de protection pour cellules galvaniques
DE102013204534A1 (de) Batteriezelleinrichtung mit Kurzschlusssicherheitsfunktion und Verfahren zum Überwachen einer Batteriezelle
DE102013018397A1 (de) Batterie mit einer Vielzahl von Batterieeinzelzellen
DE102007031565A1 (de) Akkumulator mit einer Schmelzsicherung
DE102018133636A1 (de) Schaltvorrichtung mit intergrierten pyrotechnischen Abschalteigenschaften
DE102013204539A1 (de) Batteriezelleinrichtung mit Feinschlusssicherheitsfunktion und Verfahren zum Überwachen einer Batteriezelle
EP3948913A1 (fr) Fusible électrique, procédé pour faire fonctionner un fusible électrique et réseau de traction électrique
DE102013204527A1 (de) Batteriezelleinrichtung mit Lithiumablagerungssicherheitsfunktion und Verfahren zum Überwachen einer Batteriezelle
DE102015014610A1 (de) Batterie
DE102009005228A1 (de) Schutzeinrichtung für galvanische Zellen
WO2012123178A2 (fr) Dispositif de charge de sécurité
DE102005041604A1 (de) Vorrichtung mit wenigstens einem Doppelschichtkondensator
DE102014209280A1 (de) Verfahren zum Betreiben einer Energiespeichereinheit, Batteriemanagementsystem zur Ausführung eines solchen Verfahrens sowie Energiespeichereinheit mit einem solchen Batteriemanagementsystem
DE102013204529A1 (de) Batteriezelleinrichtung mit Überdrucksicherheitsfunktion und Verfahren zum Überwachen einer Batteriezelle
DE102012213422A1 (de) Batteriemanagementsystem, Kraftfahrzeug und Batteriesystem
DE102013204524A1 (de) Batteriezelleinrichtung mit Überladungssicherheitsfunktion und Verfahren zum Überwachen einer Batteriezelle
WO2016113096A1 (fr) Batterie et système de batterie comprenant une batterie
DE102013205062A1 (de) Batteriezelle mit einem auf leitfähigem Material basierenden Gehäuse und Verfahren zum sicheren Entladen einer Batteriezelle

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 12701905

Country of ref document: EP

Kind code of ref document: A2

122 Ep: pct application non-entry in european phase

Ref document number: 12701905

Country of ref document: EP

Kind code of ref document: A2