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WO2010112252A1 - Circuit électrique pour déconnecter des batteries - Google Patents

Circuit électrique pour déconnecter des batteries Download PDF

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Publication number
WO2010112252A1
WO2010112252A1 PCT/EP2010/051356 EP2010051356W WO2010112252A1 WO 2010112252 A1 WO2010112252 A1 WO 2010112252A1 EP 2010051356 W EP2010051356 W EP 2010051356W WO 2010112252 A1 WO2010112252 A1 WO 2010112252A1
Authority
WO
WIPO (PCT)
Prior art keywords
battery
relay
contactor
pole
bistable relay
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/EP2010/051356
Other languages
German (de)
English (en)
Inventor
Stefan Butzmann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert Bosch GmbH
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 WO2010112252A1 publication Critical patent/WO2010112252A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • H02J7/663—

Definitions

  • Battery systems are increasingly being used both in stationary applications (for example in wind turbines) and in mobile applications (for example in hybrid and / or electric vehicles)
  • a failure of the battery can lead to a failure of the entire system.
  • a failure of the traction battery can lead to the vehicle "lying down.”
  • the failure of a battery can also lead to
  • Wind turbines usually have a battery that supplies an electric motor, which ensures that the rotor blade position can be changed. Thus, e.g. If the wind is too strong, the rotor blade position is changed in such a way that impermissible operating conditions and thus impairments of the system
  • the present invention has for its object to reduce or overcome one or more disadvantages of the described prior art.
  • the object is achieved by providing an electrical circuit for
  • a battery from a connected consumer comprising i) a battery having at least two poles, ii) a consumer,
  • a bistable relay which is connected in series between a second pole of the battery and the consumer.
  • the contactor is first opened. After the current flow through the battery terminals and the battery is interrupted, the bistable relay is opened. Since no holding current is necessary for the bistable relay during regular operation of the system, when switched on
  • a holding current only has to be provided for a contactor during operation of the system.
  • the electrical circuit according to the invention comprises a battery with at least two poles.
  • the erfindungeadore electrical circuit may also have more than one battery.
  • a battery can be understood to mean any energy store which stores energy by means of electrochemical processes. In particular, these include energy storage
  • Preferred electrochemical energy storage devices can be fuel cells, in particular of the type alkaline fuel cell (AFC), polymer electrolyte fuel cell (PEMFC), direct methanol fuel cell (DMFC), phosphoric acid fuel
  • L o cell PAFC
  • MCFC molten carbonate fuel cell
  • SOFC solid oxide fuel cell
  • Further preferred electrochemical energy accumulators can be accumulator cells, in particular of the type Pb - lead-acid battery, NiCd - nickel-cadmium rechargeable battery, NiH2 - nickel-hydrogen rechargeable battery, NiMH - nickel-metal hydride rechargeable battery, Li-Ion - lithium-ion rechargeable battery, LiPo - Li-
  • L 5 thium polymer battery LiFe - lithium metal battery, Li-Mn - lithium manganese battery,
  • LiFePO 4 Lithium Iron Phosphate Battery, LiTi - Lithium Titanate Battery, RAM - Rechargeable Alkaline Manganese, Ni-Fe - Nickel-Iron Battery, Na / NiCI - High Temperature Nickel Nickel Chloride Battery SCiB - Super Charge Ion Battery, Silver-Zinc Battery, Silicone Battery, Vanadium Redox Battery and / or
  • the battery has at least two poles, one pole corresponding to the plus pole and one pole to the negative pole.
  • the output voltage and power of the battery can be tapped via these poles.
  • the battery can be functionally connected to a load via these poles, so that it can come to a closed flow of current across the poles and the connected loads.
  • the electrical circuit according to the invention has a consumer.
  • a consumer may, for the purposes of the present invention, be any electrical
  • 30 consumers are understood to be connected to the battery of the circuit and can be supplied with battery power. These may be stationary consumers, such as Wi-Fi power plants, or a mobile consumer, such as a consumer. a vehicle.
  • the inventive electrical circuit may also have more than one consumer.
  • the electrical circuit has a contactor connected in series between a first pole of the battery and a load.
  • This first pole can be either the plus or the minus pole of the battery.
  • the contactor is an electrically operated or electronic switch, especially for larger outputs.
  • the contactor knows two switch positions, open or closed, and switches monostable, i. without a permanent holding current, the contactor is in its stable circuit state.
  • the term "contactor” covers only those contactors which are open in the stable switching state (also idle state) and interrupt a current flow between the battery and the connected consumer, so-called normally open contacts close a current flow between the battery and the
  • a permanent holding current is required to keep the contactor closed. If this holding current is interrupted, the contactor switches to the stable switching state, the open state.
  • the electrical circuit has a bistable relay connected in series between a second pole of the battery and the load.
  • the second pole may be either the positive pole of the battery when the first pole is the negative pole, or the second pole may be the negative pole of the battery when the first pole is the positive pole of the battery.
  • a relay is a powered by electric current, usually electromagnetic acting, remote-controlled switch with two switch positions.
  • the relay is activated via a control circuit and can switch additional circuits.
  • bistable relay is understood to mean switches which are capable of assuming two different stable switching states when de-energized.Baladic relays may be either open or closed, maintaining the current switching state no holding current is necessary
  • L 0 relay is only required for the switching process as such energy, in the respective two stable switching states remains the bistable relay without further power supply or without further energy consumption.
  • the bistable relays include, for example, surge relays.
  • Surge relay L 5 also referred to as a surge switch
  • the impulse switch receives an electrical impulse which causes a switching state change which is maintained mechanically or electronically until the next impulse. Maintaining the state can be ensured by mechanical locking and requires no power supply.
  • the bistable relays also include relay or remanence relays.
  • Hinge relays use the remanence to remain in the switched state after switching off the switching current.
  • the relay the relay
  • Activation pulse remains the anchor (which actuates the contacts) adhere to the bobbin. This condition persists until a counter-pulse (usually via a second winding on the relay) establishes a counter-directional magnetic field in the relay which extinguishes the existing magnetic field so that the armature drops.
  • Adhesive relays have an integrated permanent magnet to support low remanence.
  • Adhesive relays have magnetically conductive materials at the contact points of the armature and the relay core. This ensures that the remanent (left after switching off the starting current) magnetism sufficient to hold the armature to the bobbin.
  • Safety relays are used in particular where
  • bistable relays are known, which can be used in the electrical circuit according to the invention. 5
  • the bistable relay of the circuit according to the invention can be designed in particular as a surge or as an adhesive relay.
  • the electrical circuit according to the invention can be designed such that L O in the operating state of the circuit both contactor and bistable relay are present in the closed switching state.
  • the bistable relay By opening the contactor, for example by eliminating the holding current, the bistable relay can be switched to an open state.
  • the contactor can be designed so that when the holding current ceases, the contactor returns to its open rest state L 5 and thus the current flow between the battery and the consumer is interrupted.
  • a signal such as a surge can be triggered, which triggers the circuit from closed relay to open relay at the bistable relay.
  • the present invention also relates to a battery system which allows disconnection of the battery from a connected load, comprising: i) a battery having at least one positive and one negative pole, the poles being respectively conductively connected to a contact , so that a current flow between the battery and a consumer connected to the contacts can be produced,
  • a contactor connected in series between a first pole of the battery and the corresponding contact of the battery connectable to a consumer, and iii) a bistable relay connected in series between a second pole of the battery and the corresponding one to a consumer connectable contact 35 of the battery is connected.
  • the at least two contacts of the battery system are mounted so that they are accessible (eg from the outside), for example, to connect a consumer to the battery and to allow the production of a closed circuit between the battery and the consumer. Between the contacts and the consumer more electrical components can be switched.
  • the battery system has a contactor connected in series between a first pole of the battery and the corresponding contact. This first
  • Pol can be either the plus or the minus pole of the battery.
  • the battery system includes a bistable relay connected in series between a second pole of the battery and the corresponding contact.
  • L 5 The second pole can be either the positive pole of the battery, if the first
  • Pol is the negative pole, or the second pole can be the negative pole of the battery, if the first pole is the positive pole of the battery.
  • the battery system according to the invention can have a battery housing .0, wherein preferably battery, contactor and bistable relay can be arranged within a common battery housing.
  • the battery system according to the invention can be designed such that the bistable relay is apparent by opening the contactor. This can be accomplished analogously to the electrical circuit according to the invention.
  • the bistable relay of the battery system according to the invention may in particular be a surge relay or an adhesive relay.
  • the present invention also relates to a vehicle maintaining an electrical circuit according to the invention or a battery system according to the invention.
  • vehicle is to be understood as meaning all driven vehicles which have a battery, irrespective of which drive these motor vehicles have
  • HEV electric hybrid vehicles
  • PHEV plug-in Hybrid vehicles
  • EV electric vehicles
  • fuel cell vehicles as well as all vehicles that use a Batteire for the electrical power supply of the vehicle and / or vehicle components.
  • the present invention also relates to the use of a bistable relay for disconnecting a battery system from a connected load, wherein the bistable relay may preferably be a surge relay or an adhesive relay.
  • Fig. 1 shows the circuit diagram of a battery system of the prior art, L 5 wherein both battery terminals 1 and 2 of the battery in series with a
  • Fig. 2 shows the circuit diagram of a battery system according to the invention, wherein the 10 plus pole 10 of the battery is connected in series with a contactor 30 between battery 10 and corresponding contact 50, while the negative terminal 20 of the battery with a bistable relay 70 between battery terminal 20 and corresponding contact 60 connected in series.

Landscapes

  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

L'invention concerne un circuit électrique pour déconnecter une batterie d'un consommateur raccordé. Le circuit comprend une batterie présentant au moins deux pôles, un consommateur, un contacteur qui est monté en série entre un premier pôle de la batterie et le consommateur, et un relais bistable qui est monté en série entre un second pôle de la batterie et le consommateur.
PCT/EP2010/051356 2009-03-31 2010-02-04 Circuit électrique pour déconnecter des batteries Ceased WO2010112252A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009002018.7 2009-03-31
DE102009002018A DE102009002018A1 (de) 2009-03-31 2009-03-31 Elektrische Schaltung zur Trennung von Batterien

Publications (1)

Publication Number Publication Date
WO2010112252A1 true WO2010112252A1 (fr) 2010-10-07

Family

ID=42140104

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2010/051356 Ceased WO2010112252A1 (fr) 2009-03-31 2010-02-04 Circuit électrique pour déconnecter des batteries

Country Status (2)

Country Link
DE (1) DE102009002018A1 (fr)
WO (1) WO2010112252A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011080226B4 (de) * 2011-08-01 2024-01-25 Bayerische Motoren Werke Aktiengesellschaft Fahrzeug mit einem Stromverteiler und einem Steuergerät
DE102012205244A1 (de) * 2012-03-30 2013-10-02 Aat Alber Antriebstechnik Gmbh Schaltungsanordnung
DE102016215997B4 (de) 2016-08-25 2019-06-27 Airbus Defence and Space GmbH Höherspannige Batterie und Verfahren zu deren Betrieb
DE102018127785A1 (de) 2018-11-07 2020-05-07 Audi Ag Elektrisches Energiesystem für ein Kraftfahrzeug
DE102019205423A1 (de) * 2019-04-15 2020-10-15 Audi Ag Verfahren zum Betreiben einer Hochvolt-Bordnetzanordnung, Steuereinrichtung, Hochvolt-Bordnetzanordnung und Kraftfahrzeug
CN113910956B (zh) * 2021-08-27 2023-05-19 岚图汽车科技有限公司 电动车辆及其车载充电机，充电系统和充电方法
DE102023127432A1 (de) 2023-10-09 2025-04-10 Bayerische Motoren Werke Aktiengesellschaft Hochvoltspeicher mit Notabschaltung für ein bistabiles Schaltschütz

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0980793A2 (fr) * 1998-08-19 2000-02-23 DaimlerChrysler AG Circuit et procédé pour couper une source électrique d'une voiture
WO2006115349A1 (fr) * 2005-04-25 2006-11-02 Lg Chem, Ltd. Procede de gestion d'un bloc-batterie destine a un vehicule hybride electrique et a un vehicule electrique

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0980793A2 (fr) * 1998-08-19 2000-02-23 DaimlerChrysler AG Circuit et procédé pour couper une source électrique d'une voiture
WO2006115349A1 (fr) * 2005-04-25 2006-11-02 Lg Chem, Ltd. Procede de gestion d'un bloc-batterie destine a un vehicule hybride electrique et a un vehicule electrique

Also Published As

Publication number Publication date
DE102009002018A1 (de) 2010-10-07

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