DE3841769C1 - Circuit for ensuring the provision of starting energy in motor vehicles with internal combustion engines - Google Patents

Circuit for ensuring the provision of starting energy in motor vehicles with internal combustion engines

Info

Publication number
DE3841769C1
DE3841769C1 DE19883841769 DE3841769A DE3841769C1 DE 3841769 C1 DE3841769 C1 DE 3841769C1 DE 19883841769 DE19883841769 DE 19883841769 DE 3841769 A DE3841769 A DE 3841769A DE 3841769 C1 DE3841769 C1 DE 3841769C1
Authority
DE
Germany
Prior art keywords
voltage
circuit arrangement
starter battery
circuit
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.)
Expired - Fee Related
Application number
DE19883841769
Other languages
German (de)
Inventor
Juergen 8014 Neubiberg De Wemhoener
Original Assignee
Juergen 8014 Neubiberg De Wemhoener
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 Juergen 8014 Neubiberg De Wemhoener filed Critical Juergen 8014 Neubiberg De Wemhoener
Priority to DE19883841769 priority Critical patent/DE3841769C1/en
Application granted granted Critical
Publication of DE3841769C1 publication Critical patent/DE3841769C1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • B60R16/023Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
    • B60R16/0231Circuits relating to the driving or the functioning of the vehicle
    • B60R16/0235Circuits relating to the driving or the functioning of the vehicle for lighting devices combined with starting or ignition devices for road vehicles
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/165Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
    • G01R19/16533Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application
    • G01R19/16538Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application in AC or DC supplies
    • G01R19/16542Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application in AC or DC supplies for batteries
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J9/00Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/002Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which a reserve is maintained in an energy source by disconnecting non-critical loads, e.g. maintaining a reserve of charge in a vehicle battery for starting an engine
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/005Testing of electric installations on transport means
    • G01R31/006Testing of electric installations on transport means on road vehicles, e.g. automobiles or trucks

Abstract

In order to ensure the provision of starting energy in motor vehicles with internal combustion engines, the voltage of the starting battery is monitored whenever the generator of the vehicle's electrical system has been stationary. When the voltage drops below an adjustable voltage limit, the starting battery is disconnected from the vehicle's electrical system via a voltage-controlled relay switch K2.

Description

The invention relates to a circuit arrangement for protection against deep discharges the starter battery in motor vehicles with internal combustion engines.

In motor vehicles, especially in passenger cars, the starter battery has usually also take over the supply of the electrical system. In addition, there are often additional consumers via outboard connectors to supply. Operation continues when the on-board generator is at a standstill by consumers to discharge or deep discharge the starter battery, if no protective measures for limited power consumption are taken are.

Ensuring sufficient starting energy is compared to the supply of the on-board electrical system primarily and of fundamental importance for driving practice Importance.

There are several types of protection for maintaining starting energy in motor vehicles known with internal combustion engines:

Group 1: goods equipment of an optical or acoustic type, which the Remind drivers of accidentally left on consumers: DE-OS 26 05 114 C2, DE-OS 30 17 277 C2, DE-OS 29 40 283 C2, DE-OS 21 64 553 C3, DE-OS 28 46 751 B2, DE-OS 27 08 711 B2, DE-OS 26 49 348 B2.

These procedures, consistently referred to as control or warning devices serve the goal of deep discharges of the starter battery by electrical system consumers to prevent. However, they do not offer one real protection, as its effect effectively from the driver's attention depends.

Group 2: Processes and protective circuits for automotive batteries against deep discharge, the operation of additional batteries or additional consumers concern: DE-PS 32 35 349 C2, DE-OS 36 22 157 A1.  

These circuits cause the additional consumers to be switched off a predetermined accumulator voltage lower limit. The circuits of the electrical system are not included in the protection.

Group 3: Process and protection circuit against deep discharge of lead collectors: DE-OS 34 17 481 A1, DE-OS 32 01 758 A1, DE-OS 31 48 860 A1, DE-OS 24 38 149, DE-OS 27 32 794, DE-OS 36 11 484 A1.

These methods and protective circuits are specific to their intended use bound. A direct usability to ensure the There is no starting energy in motor vehicles.

Further disadvantages of the known protective circuits:

With fully electronic solutions, undesired heat loss occurs in the power section on.

A voltage stabilization of the electronic part of the circuits is not provided or not recognizable. This is an exact switching behavior not possible. Vibration tendency in the switching point area, as well The result is a strong dependence on temperature.

The voltage peaks generated by the on-board generator and its control unit can destroy electronic components if there is no effective decoupling is provided.

All circuits still flow differently even in the blocked state high quiescent or residual currents. The circuit shown in DE-OS 27 32 794 needs auxiliary energy to maintain the off or locked state Avoid interest in high operational safety.

The invention is therefore based on the object of a new circuit arrangement to ensure the starting energy in motor vehicles with To create internal combustion engines that none when consumers are switched off Consumes electricity, no auxiliary energy is required to maintain this switching state. In addition, a comprehensive Protection through detection of all discharge capable circuits of the Vehicle internal electrical system and those that have external electrical system plug devices can be operated.  

This problem is solved with the characterizing features of the claim 1. Advantageous refinements can be found in the subclaims.

A bistable rotary armature circuit relay is provided as the load switch, which has the advantage of storage behavior in addition to minimal demand, d. H. no energy consumption in both switching states.

Another advantage is the high level of interference immunity by decoupling the control electronics from the on-board generator through an auxiliary relay, a high Reproducibility and temperature independence of the switching points through voltage stabilizers and the The control electronics are also switched off after the protection has tripped. Hereby completely avoiding the existence of quiescent or residual currents, which also form discharge circuits in the event of a fault and can remove the discharge protection again.

An embodiment is shown below with reference to the drawings Fig. 1 u. Fig. 2 explained in more detail. It shows

Fig. 1 is a block diagram of the working principle and

Fig. 2 shows a complete circuit diagram of the protective circuit for a 12 V system.

The circuit is fed by the battery via relay contact K 2 and fuse e 1 . The diode D 1 forms a reverse polarity protection in connection with e 1 .

After successful starting and reaching the nominal on-board generator speed, auxiliary relay K 1 is energized. As a result, the entire circuit is decoupled from the on-board generator. K 2 receives its switch-on pulse via the make contact of K 1 and the capacitor C 1 . The vehicle electrical system or additional consumers are hereby coupled to the starter battery.

When the on-board generator is at a standstill, K 1 drops out and short-circuits via a break contact C 1 with the resistor R 1 . C 1 is thus prepared for the next start pulse. Another break contact from K 1 couples an 8V fixed voltage regulator to the battery. R 5 , R 6 and R 7 derive a reference voltage from this regulator, which is tapped at R 6 . The controller also supplies the amplifier V 1 connected as a comparator (comparator) with voltage. The battery voltage is divided down to 50% by R 3 / R 4 and supplied as an actual value to the inverting input of V 1 . The setpoint (reference voltage) is at the non-inverting input, which is connected to the output of V 1 via the positive feedback resistor R 8 .

The setting range of R 6 corresponds to a voltage value of 10-14 V. If the battery voltage drops below the set value due to discharge, V 1 tilts to positive saturation. This voltage jump controls the switching transistor Tr 1 , and K 2 receives its switch-off pulse. The Zener diode Z 1 suppresses the residual voltage remaining at the output of V 1 , which is due to the asymmetrical voltage supply of the operational amplifier V 1 .

In contrast to the usual versions, the circuit does not draw its power supply directly from the positive pole of the battery, but via the closed relay switch contact K 2 . As a result, the circuit cannot draw any current after consumers have been switched off or after relay switch contact K 2 has been opened.

For a safe switch-off process, however, the circuit must remain briefly supplied with voltage after the relay switch contact K 2 is open, so that the length of the switch-off pulse emitted by the circuit extends beyond the self-excitation time of the relay switch K 2 . For this purpose, the capacitor C 2 is connected in parallel with the voltage supply, which also compensates for any tendency to oscillate of the fixed voltage regulator St 1 .

Claims (9)

1. Circuit arrangement for ensuring the starting energy in motor vehicles with internal combustion engines, characterized in that each time after the on-board generator, which is detected by de-excitation of an auxiliary relay K 1 , monitors the voltage of the starter battery, is compared with a reference voltage by a comparator circuit, which When the battery voltage drops below the reference voltage, an output pulse is generated which is used to switch off a relay switch K 2 , which separates the entire vehicle electrical system, including all auxiliary consumers, from the starter battery and connects the starter battery again when the on-board generator voltage increases, so that the electronic part of the circuit arrangement , which is fed via a microfuse, is only supplied with current when the relay switch contact K 2 is closed, so that the circuit arrangement does not draw any current after the switch-off process has taken place or the relay switch contact K 2 is open, to maintain it s switching state requires no auxiliary energy and a capacitor C 2 , which is connected in parallel with the voltage supply, extends the switch-off pulse of the circuit arrangement beyond the opening time of the relay switch contact K 2 .
2. Circuit arrangement according to claim 1, characterized in that the circuit arrangement is decoupled from the latter during operation of the on-board generator via the auxiliary relay K 1 .
3. Circuit arrangement according to claim 2, characterized in that a first normally closed contact of K 1 connects an 8V fixed voltage regulator St 1 to the positive pole of the starter battery.
4. Circuit arrangement according to claim 3, characterized in that the fixed voltage regulator generates a reference voltage, which over a Potentiometer is tapped.
5. Circuit arrangement according to claim 4, characterized in that the fixed voltage regulator supplies the amplifier V 1 connected as a comparator with voltage.
6. Circuit arrangement according to claim 5, characterized in that the inverting input of the amplifier V 1 via a second normally closed contact of the auxiliary relay K 1 and a voltage divider with the positive pole of the starter battery and the non-inverting input with a variable reference voltage and via a positive feedback branch with the Output of the amplifier V 1 is connected.
7. Circuit arrangement according to claim 6, characterized in that the amplifier V 1 compares the starting battery voltage (actual value) with the reference voltage (target value), when it falls below positive saturation, controls a switching transistor Tr 1 , the coil of the relay switch K 2 excited, and the starter battery disconnected from all discharge circuits.
8. Circuit arrangement according to claim 7, characterized in that the relay switch K 2 is provided as a bistable impulse relay with a single coil and a reel, its first stable state connects the starter battery to the vehicle electrical system, its second stable state separates the starter battery from the vehicle electrical system.
9. Circuit arrangement according to claim 8, characterized in that the circuit is protected against reverse polarity.
DE19883841769 1988-12-12 1988-12-12 Circuit for ensuring the provision of starting energy in motor vehicles with internal combustion engines Expired - Fee Related DE3841769C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19883841769 DE3841769C1 (en) 1988-12-12 1988-12-12 Circuit for ensuring the provision of starting energy in motor vehicles with internal combustion engines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19883841769 DE3841769C1 (en) 1988-12-12 1988-12-12 Circuit for ensuring the provision of starting energy in motor vehicles with internal combustion engines

Publications (1)

Publication Number Publication Date
DE3841769C1 true DE3841769C1 (en) 1990-06-07

Family

ID=6368964

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19883841769 Expired - Fee Related DE3841769C1 (en) 1988-12-12 1988-12-12 Circuit for ensuring the provision of starting energy in motor vehicles with internal combustion engines

Country Status (1)

Country Link
DE (1) DE3841769C1 (en)

Cited By (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4028242A1 (en) * 1990-09-06 1992-03-12 Bayerische Motoren Werke Ag Dual battery supply system for motor vehicle - separates connection betweenstarter battery and on-board supply battery to prevent chargedrainage
DE4211578C1 (en) * 1992-04-07 1993-04-29 Mercedes-Benz Aktiengesellschaft, 7000 Stuttgart, De Vehicle battery isolating circuit - has switch to isolate battery from generator, operable from engine compartment, and second switch near driver seat to remotely actuate first
DE4138943C1 (en) * 1991-11-27 1993-05-27 Robert Bosch Gmbh, 7000 Stuttgart, De
WO1994004394A1 (en) * 1992-08-18 1994-03-03 Iain Wallace Waugh 3-pole battery switches
EP0688698A2 (en) 1994-06-24 1995-12-27 Bayerische Motoren Werke Aktiengesellschaft Vehicle network
DE4422256A1 (en) * 1994-06-24 1996-01-04 Bayerische Motoren Werke Ag Electrical on-board network for vehicle
EP0937610A2 (en) 1998-02-20 1999-08-25 Volkswagen Aktiengesellschaft Procedure and circuit arrangement for starting a starter motor
DE19846319C1 (en) * 1998-10-08 2000-02-17 Daimler Chrysler Ag Energy supply circuit for automobile electrical network, uses multi-level controller with input/output terminals coupled to respective voltage supply paths for HV and LV loads and back-up storage battery
EP0987145A2 (en) 1998-09-17 2000-03-22 Volkswagen Aktiengesellschaft Twin battery system
DE19854953C1 (en) * 1998-11-27 2000-09-21 Volkswagen Ag Battery on-board network with safety shutdown
FR2791310A1 (en) * 1999-03-26 2000-09-29 Mannesmann Sachs Ag Electric circuit lay-out for vehicles, comprises control and power modules rated for the normal demand of consuming units and means to switch two modules in parallel under high load conditions
DE19929246A1 (en) * 1999-06-25 2001-01-18 Volkswagen Ag Battery system
DE19941513A1 (en) * 1999-08-31 2001-03-01 Stefan Maier Regulator device for electrical energy consumption in motor vehicles has detector unit for battery charge condition and control unit to stop energy take-up when battery charge is at set condition
US6229279B1 (en) 1998-09-17 2001-05-08 Volkswagen Ag Dual battery system
WO2001036232A1 (en) 1999-11-15 2001-05-25 Volkswagen Ag Dual battery system
EP1137150A2 (en) 2000-03-22 2001-09-26 Robert Bosch GmbH Dual battery system
EP1149744A3 (en) * 1994-06-22 2001-12-19 Intra Development A/S Anti-theft battery
DE10056795A1 (en) * 2000-11-13 2002-05-23 Volkswagen Ag Circuit for preventing deep discharge of battery in motor vehicle on-board electrical system has charge state detector automatically decoupled from battery after opening isolating element
DE10128136A1 (en) * 2001-06-09 2002-12-12 Bayerische Motoren Werke Ag Safety switch for preventing unintentional vehicle battery discharge has semiconducting switch as safety switch that isolates load from voltage supply after predetermined time interval
EP1052149A3 (en) * 1999-05-14 2005-03-16 DaimlerChrysler AG Operating method for a vehicle safety installation
DE10146556B4 (en) * 2000-09-21 2005-09-22 Delphi Technologies, Inc., Troy Method and device for detecting the condition of a vehicle
FR2886780A1 (en) * 2005-06-02 2006-12-08 Peugeot Citroen Automobiles Sa Motor vehicle electric system for e.g. vehicle theft security system, has one line coupled to starter, alternator, power supply units and battery via contact, and another line coupled to controller and battery via tripping contact
DE102007010206A1 (en) * 2007-03-02 2008-09-04 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Control device for a power supply to an electronic consumer like an audio/TV, navigation or telephone device in a motor vehicle has an active link to a motor vehicle's detection device
DE102007045899A1 (en) 2007-09-26 2009-04-09 Volkswagen Ag Discharge protection device for use in vehicle i.e. car, battery, has control device with detection device for detecting indication parameter that indicates that engine is stopped and component is switched-off by changing value
EP2258579A1 (en) 2009-06-03 2010-12-08 Iveco S.p.A. Additional autonomous power supply system for vehicle, especially for industrial or commercial vehicle
EP1216916B2 (en) 2000-12-22 2013-07-03 Shimano Inc. Power control circuit for a bicycle electromotive unit
DE10100889B4 (en) * 2001-01-11 2013-11-14 Robert Bosch Gmbh Method and device for realizing a start / stop operation in vehicles
DE102017213409A1 (en) * 2017-08-02 2019-02-07 Bayerische Motoren Werke Aktiengesellschaft Energy source unit for the separation of the subnetworks of a vehicle electrical system
WO2019143518A3 (en) * 2018-01-17 2019-08-29 S. C. Johnson & Son, Inc. Electronic devices for use in a vehicle and methods of operating the same
DE102018131746A1 (en) * 2018-12-11 2020-06-18 Bayerische Motoren Werke Aktiengesellschaft Switching arrangement for adapting the load current

Citations (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2438149A1 (en) * 1974-08-08 1976-02-19 Ceag Licht & Strom Protection against complete discharge of accumulators - automatic charging facilities for stand-by-emergency supplies
DE2732794A1 (en) * 1977-07-20 1979-02-08 Norka Norddeutsche Kunststoff Storage battery protective device against heavy discharge - has semiconductor switch which is polarised in blocking direction when end of discharge voltage is reached
DE2649348B2 (en) * 1976-10-29 1979-02-15 Seiffert Jun., Friedrich, 7112 Waldenburg
DE2708711B2 (en) * 1977-03-01 1980-08-07 Adolf 6682 Ottweiler Kauth
DE2846751B2 (en) * 1978-10-27 1980-08-14 Walter Ing.(Grad.) 8728 Hassfurt Voll
DE2164553C3 (en) * 1971-12-24 1981-07-09 Westfaelische Metall Industrie Kg Hueck & Co, 4780 Lippstadt, De
DE2940283C2 (en) * 1979-10-02 1982-06-16 Gerhard 1000 Berlin De Dorn
DE3017277C2 (en) * 1980-05-06 1982-06-24 Franz Josef 6635 Schwalbach De Rupp
DE3148860A1 (en) * 1981-12-10 1983-06-23 Wolfgang Koepke Electrochemical element with a built-in electronic additional circuit
DE3201758A1 (en) * 1982-01-21 1983-09-08 Varta Batterie Electrical accumulator with a protection circuit
DE2605114C2 (en) * 1976-02-10 1983-09-22 Robert Bosch Gmbh, 7000 Stuttgart, De
DE3417481A1 (en) * 1984-05-11 1985-11-14 Manfred Trautmann Protection circuit for an accumulator
DE3622157A1 (en) * 1985-07-13 1987-01-22 Volkswagen Ag Method and circuit arrangement for feeding main loads and subsidiary loads in a motor vehicle
DE3611484A1 (en) * 1986-04-05 1987-10-08 Ceag Licht & Strom Method for obtaining deep discharge protection for a rechargeable battery, and circuit arrangement for implementing the method
DE3235349C2 (en) * 1982-09-24 1988-03-24 Manfred 8950 Kaufbeuren De Trautmann
DE3742312A1 (en) * 1987-12-14 1989-06-22 Juergen Wemhoener Exhaustive discharge protection for the starting batteries of motor vehicles, in particular in passenger cars

Patent Citations (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2164553C3 (en) * 1971-12-24 1981-07-09 Westfaelische Metall Industrie Kg Hueck & Co, 4780 Lippstadt, De
DE2438149A1 (en) * 1974-08-08 1976-02-19 Ceag Licht & Strom Protection against complete discharge of accumulators - automatic charging facilities for stand-by-emergency supplies
DE2605114C2 (en) * 1976-02-10 1983-09-22 Robert Bosch Gmbh, 7000 Stuttgart, De
DE2649348B2 (en) * 1976-10-29 1979-02-15 Seiffert Jun., Friedrich, 7112 Waldenburg
DE2708711B2 (en) * 1977-03-01 1980-08-07 Adolf 6682 Ottweiler Kauth
DE2732794A1 (en) * 1977-07-20 1979-02-08 Norka Norddeutsche Kunststoff Storage battery protective device against heavy discharge - has semiconductor switch which is polarised in blocking direction when end of discharge voltage is reached
DE2846751B2 (en) * 1978-10-27 1980-08-14 Walter Ing.(Grad.) 8728 Hassfurt Voll
DE2940283C2 (en) * 1979-10-02 1982-06-16 Gerhard 1000 Berlin De Dorn
DE3017277C2 (en) * 1980-05-06 1982-06-24 Franz Josef 6635 Schwalbach De Rupp
DE3148860A1 (en) * 1981-12-10 1983-06-23 Wolfgang Koepke Electrochemical element with a built-in electronic additional circuit
DE3201758A1 (en) * 1982-01-21 1983-09-08 Varta Batterie Electrical accumulator with a protection circuit
DE3235349C2 (en) * 1982-09-24 1988-03-24 Manfred 8950 Kaufbeuren De Trautmann
DE3417481A1 (en) * 1984-05-11 1985-11-14 Manfred Trautmann Protection circuit for an accumulator
DE3622157A1 (en) * 1985-07-13 1987-01-22 Volkswagen Ag Method and circuit arrangement for feeding main loads and subsidiary loads in a motor vehicle
DE3611484A1 (en) * 1986-04-05 1987-10-08 Ceag Licht & Strom Method for obtaining deep discharge protection for a rechargeable battery, and circuit arrangement for implementing the method
DE3742312A1 (en) * 1987-12-14 1989-06-22 Juergen Wemhoener Exhaustive discharge protection for the starting batteries of motor vehicles, in particular in passenger cars

Cited By (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4028242A1 (en) * 1990-09-06 1992-03-12 Bayerische Motoren Werke Ag Dual battery supply system for motor vehicle - separates connection betweenstarter battery and on-board supply battery to prevent chargedrainage
DE4138943C1 (en) * 1991-11-27 1993-05-27 Robert Bosch Gmbh, 7000 Stuttgart, De
DE4211578C1 (en) * 1992-04-07 1993-04-29 Mercedes-Benz Aktiengesellschaft, 7000 Stuttgart, De Vehicle battery isolating circuit - has switch to isolate battery from generator, operable from engine compartment, and second switch near driver seat to remotely actuate first
WO1994004394A1 (en) * 1992-08-18 1994-03-03 Iain Wallace Waugh 3-pole battery switches
EP1149744A3 (en) * 1994-06-22 2001-12-19 Intra Development A/S Anti-theft battery
EP0688698A2 (en) 1994-06-24 1995-12-27 Bayerische Motoren Werke Aktiengesellschaft Vehicle network
DE4422231A1 (en) * 1994-06-24 1996-01-04 Bayerische Motoren Werke Ag Vehicle electrical system for a motor vehicle
DE4422256A1 (en) * 1994-06-24 1996-01-04 Bayerische Motoren Werke Ag Electrical on-board network for vehicle
EP0937610A2 (en) 1998-02-20 1999-08-25 Volkswagen Aktiengesellschaft Procedure and circuit arrangement for starting a starter motor
EP0987145A2 (en) 1998-09-17 2000-03-22 Volkswagen Aktiengesellschaft Twin battery system
DE19842656A1 (en) * 1998-09-17 2000-03-23 Volkswagen Ag Two-battery system
US6229279B1 (en) 1998-09-17 2001-05-08 Volkswagen Ag Dual battery system
DE19846319C1 (en) * 1998-10-08 2000-02-17 Daimler Chrysler Ag Energy supply circuit for automobile electrical network, uses multi-level controller with input/output terminals coupled to respective voltage supply paths for HV and LV loads and back-up storage battery
DE19854953C1 (en) * 1998-11-27 2000-09-21 Volkswagen Ag Battery on-board network with safety shutdown
FR2791310A1 (en) * 1999-03-26 2000-09-29 Mannesmann Sachs Ag Electric circuit lay-out for vehicles, comprises control and power modules rated for the normal demand of consuming units and means to switch two modules in parallel under high load conditions
EP1052149A3 (en) * 1999-05-14 2005-03-16 DaimlerChrysler AG Operating method for a vehicle safety installation
DE19929246C2 (en) * 1999-06-25 2001-10-25 Volkswagen Ag Battery system
DE19929246A1 (en) * 1999-06-25 2001-01-18 Volkswagen Ag Battery system
DE19941513A1 (en) * 1999-08-31 2001-03-01 Stefan Maier Regulator device for electrical energy consumption in motor vehicles has detector unit for battery charge condition and control unit to stop energy take-up when battery charge is at set condition
WO2001036232A1 (en) 1999-11-15 2001-05-25 Volkswagen Ag Dual battery system
DE10014243B4 (en) * 2000-03-22 2004-11-04 Robert Bosch Gmbh Two-battery system
EP1137150A2 (en) 2000-03-22 2001-09-26 Robert Bosch GmbH Dual battery system
DE10146556B4 (en) * 2000-09-21 2005-09-22 Delphi Technologies, Inc., Troy Method and device for detecting the condition of a vehicle
DE10056795A1 (en) * 2000-11-13 2002-05-23 Volkswagen Ag Circuit for preventing deep discharge of battery in motor vehicle on-board electrical system has charge state detector automatically decoupled from battery after opening isolating element
EP1216916B2 (en) 2000-12-22 2013-07-03 Shimano Inc. Power control circuit for a bicycle electromotive unit
DE10100889B4 (en) * 2001-01-11 2013-11-14 Robert Bosch Gmbh Method and device for realizing a start / stop operation in vehicles
US7129598B2 (en) 2001-06-09 2006-10-31 Bayerische Motoren Werke Aktiengesellschaft Safety switch for preventing an unintentional vehicle battery discharge
DE10128136A1 (en) * 2001-06-09 2002-12-12 Bayerische Motoren Werke Ag Safety switch for preventing unintentional vehicle battery discharge has semiconducting switch as safety switch that isolates load from voltage supply after predetermined time interval
FR2886780A1 (en) * 2005-06-02 2006-12-08 Peugeot Citroen Automobiles Sa Motor vehicle electric system for e.g. vehicle theft security system, has one line coupled to starter, alternator, power supply units and battery via contact, and another line coupled to controller and battery via tripping contact
DE102007010206A1 (en) * 2007-03-02 2008-09-04 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Control device for a power supply to an electronic consumer like an audio/TV, navigation or telephone device in a motor vehicle has an active link to a motor vehicle's detection device
DE102007045899A1 (en) 2007-09-26 2009-04-09 Volkswagen Ag Discharge protection device for use in vehicle i.e. car, battery, has control device with detection device for detecting indication parameter that indicates that engine is stopped and component is switched-off by changing value
EP2258579A1 (en) 2009-06-03 2010-12-08 Iveco S.p.A. Additional autonomous power supply system for vehicle, especially for industrial or commercial vehicle
DE102017213409A1 (en) * 2017-08-02 2019-02-07 Bayerische Motoren Werke Aktiengesellschaft Energy source unit for the separation of the subnetworks of a vehicle electrical system
WO2019143518A3 (en) * 2018-01-17 2019-08-29 S. C. Johnson & Son, Inc. Electronic devices for use in a vehicle and methods of operating the same
DE102018131746A1 (en) * 2018-12-11 2020-06-18 Bayerische Motoren Werke Aktiengesellschaft Switching arrangement for adapting the load current

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