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EP0856625A1 - Elektrisches Kraftfahrzeugtürschloss mit einer Notstrombatterie mit gesteuerter Entladung - Google Patents

Elektrisches Kraftfahrzeugtürschloss mit einer Notstrombatterie mit gesteuerter Entladung Download PDF

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Publication number
EP0856625A1
EP0856625A1 EP97403022A EP97403022A EP0856625A1 EP 0856625 A1 EP0856625 A1 EP 0856625A1 EP 97403022 A EP97403022 A EP 97403022A EP 97403022 A EP97403022 A EP 97403022A EP 0856625 A1 EP0856625 A1 EP 0856625A1
Authority
EP
European Patent Office
Prior art keywords
battery
capacitor
voltage
during
charge
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
EP97403022A
Other languages
English (en)
French (fr)
Inventor
Vincent Portet
Olivier Lasson
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.)
Valeo Comfort and Driving Assistance SAS
Original Assignee
Valeo Systemes de Fermetures SA
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 Valeo Systemes de Fermetures SA filed Critical Valeo Systemes de Fermetures SA
Publication of EP0856625A1 publication Critical patent/EP0856625A1/de
Ceased legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B77/00—Vehicle locks characterised by special functions or purposes
    • E05B77/46—Locking several wings simultaneously
    • E05B77/48—Locking several wings simultaneously by electrical means
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00—Power-actuated vehicle locks
    • E05B81/54—Electrical circuits
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00—Power-actuated vehicle locks
    • E05B81/54—Electrical circuits
    • E05B81/80—Electrical circuits characterised by the power supply; Emergency power operation
    • E05B81/82—Electrical circuits characterised by the power supply; Emergency power operation using batteries other than the vehicle main battery
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00—Power-actuated vehicle locks
    • E05B81/54—Electrical circuits
    • E05B81/80—Electrical circuits characterised by the power supply; Emergency power operation
    • E05B81/86—Electrical circuits characterised by the power supply; Emergency power operation using capacitors

Definitions

  • the present invention relates to an assembly consisting of a electric door lock for a motor vehicle associated with its control and supply means.
  • EP-A-694 664 a set has already been described consisting of an electric motor vehicle door lock associated with its control and supply means, the opening of said lock being provided electrically by the operation of a actuator powered by the vehicle battery, said lock being, in malfunction of the power supply provided by said battery, can be opened thanks to the power supply provided by an emergency power source;
  • the energy source of backup may be a battery installed in the door to which the lock is associated.
  • the backup battery is used to charge a capacitor, the discharge of which allows the actuator to operate electric lock.
  • backup battery It is important, for reasons of space, to have a high energy for the backup battery under a low volume; it is also important that the backup battery has a normal operation over a wide range of temperatures, for example example from -40 to + 85 ° C. We are therefore generally led to choose backup batteries of the type (lithium / thionyl chloride) which allow to respect the constraints indicated above.
  • the no-load voltage of said battery always remains substantially the same throughout its duration of life.
  • the internal impedance of the battery is likely to vary considerably depending on its conditions of use: this internal impedance increases with the age of the battery and increases when the temperature decreases; but in addition to these two “external” causes, it there is an "internal” cause of increased impedance, that is to say a cause, which is linked to the very functioning of the circuit supplied by the battery: the impedance increases with the importance of the current discharge, especially at the end of the life of the battery.
  • the open circuit voltage U 0 of the cell will denote the voltage across the terminals of the cell in the absence of any discharge current.
  • the object of the present invention is to propose a device to avoid excessive limitation of the discharge current of the battery. In this way, one avoids unnecessarily prolonging the time of charging the capacitor without for this leading to an abnormal drop of the battery voltage.
  • the present invention therefore relates to a assembly consisting of an electric vehicle door lock automobile associated with its control and supply means, the opening of said lock being provided electrically by the operation of an actuator powered by the vehicle battery, said lock being in the event of a malfunction of the power supply supplied by said battery, capable of being opened thanks to power supplied by a backup battery which charges a capacitor during a sequence comprising a succession of cycles each comprising a charging time and an absence time charging, said capacitor, when charged, being capable of control the actuator of the lock by its discharge, characterized by the fact that it includes a means for limiting the discharge current of the stack to a value less than or equal to a threshold function of the internal impedance Z of the cell during its discharge.
  • the battery supplies a first pole with a inductive coil in series with a switch, the capacitor being connected, by one of its terminals, to the midpoint between coil and switch via a rectifier element, such as a diode, and, by its other terminal, to the second pole of the battery.
  • the switch can be a transistor.
  • cutting the charging of the capacitor is obtained by closing the switch and this charge is restored by opening the switch.
  • the value of U 0 can be acquired, either by assuming that U 0 remains constant throughout the life of the battery, or, preferably, by measuring the value of the no-load voltage U 0 at the start of each capacitor charge sequence.
  • the voltage supplied by the battery is then measured in real time, so that the battery voltage remains between the two thresholds that have been defined; the charging time of the capacitor is stopped when the voltage U reaches the upper threshold that has been set and the charge is restored when the voltage U has dropped to the lower threshold.
  • a transistor controls the cutting and the re-establishment of the charge of the capacitor by means of voltage slots sent on its base by a circuit associated with a microprocessor, circuit which acquires the values U 0 and U.
  • the acquisition of the measurement of the voltage U 0 is carried out only once per charge sequence of the capacitor, at the start of said sequence.
  • the acquisition of the voltage measurements U 0 and U is carried out with a given periodicity during the charge sequence of the capacitor, the values of the duty cycle and of the frequency to be adopted for the charge cycles of the capacitor being redefined for the following period according to the new measurements.
  • the discharge of the battery in a known resistor R E during a time slot is carried out using a transistor on the basis of which a slot of known voltage is sent, the resistor R E being arranged on the emitter of the transistor while the battery is connected to the collector.
  • the test slot sent to the base of the transistor is found on the transmitter to about 0.6 volts, which allows to know the current i delivered by the battery during the test slot.
  • the disadvantage of this embodiment comes from the fact that Z can vary during the charging of the capacitor, in particular because of the passivation of the battery and the rise in the internal temperature of the pile in work.
  • Z can vary during the charging sequence, which lasts a few seconds, from periodically update the values of the duty cycle and the frequency to be adopted for the charge cycles of the capacitor in performing periodic test slots, which does not present any difficulty since the duration of a test niche is of the order of a few milliseconds.
  • the slopes of the undulation of the voltage U can vary as a function of the charge level of the capacitor.
  • This set of provisions is repeated regularly, for example once a week; if, at a later test, it is found that the impedance Z has returned to a normal value, which corresponds to a successful deactivation, the counter is reset to zero; otherwise, the same sequence is repeated.
  • the counter has reached a predetermined value, it is considered that it cannot be a passivation of the battery, but that the battery is at the end of its life and, consequently, an alarm is triggered to indicate to the vehicle user to replace the backup battery or the lock.
  • such an assembly comprises an ambient temperature sensor and a circuit making it possible to compare the ambient temperature measurement ⁇ with a threshold ⁇ 0 and not to increment the counter if ⁇ ⁇ 0 ; if the counter reaches a predetermined number N, the sub-assembly triggers an alarm.
  • 1 denotes the battery of a vehicle and 2 denotes the electric lock motor capable, in normal operation, of being supplied electrically by the battery 1.
  • the circuit comprises a microprocessor 3 which receives a plurality of commands shown diagrammatically at 4, to perform all the functions of the lock.
  • the microprocessor 3 is capable of controlling the opening and closing of a switch 5 making it possible to establish or cut the electrical supply to the motor 2.
  • the voltage supplied by the battery 1 is monitored at point 6 by the microprocessor which, in the event of a battery malfunction, implements a backup battery 7 by driving the transistor 8 to charge a capacitor 9.
  • the base 8 a of the transistor 8 When the base 8 a of the transistor 8 receives a voltage, the transistor becomes conducting and the coil 10 is crossed by a current, so that it stores energy; when the voltage on the base 8 A disappears, the transistor 8 is turned off and the energy stored by the coil 10 is passed through the diode 11 to the capacitor 9, which is charging. It is thus seen that by sending voltage pulses to the base 8a of the transistor 8, is carried out a progressive charging of the capacitor 9. When the capacitor is charged and the battery 1 is malfunctioning, the energy contained in the capacitor 9 is likely to be sent through the diode 12 in the motor 2 as soon as the switch 5 closes.
  • the battery 7 is, in the examples described, a lithium / thionyl chloride battery; for such a cell, FIG. 2 represents the shape of the curve of variation of the internal impedance of the cell as a function of the temperature. It can be seen that Z varies appreciably as a function of temperature, mainly below 0 ° C. However, the emergency power supplies for electric locks must be operational in a temperature range between -40 and + 85 ° C.
  • FIG. 3 schematically represents a circuit capable, to a certain extent, of solving the problem posed.
  • This circuit corresponds to the second embodiment previously defined for the invention and is not the preferred embodiment.
  • the collector of transistor 13 is connected to battery 7 and the emitter outputs on a resistor 14 of known value R E.
  • the voltage across the resistor 14 during the test slot is the base voltage minus the difference between the base and the emitter, said difference being approximately 0.6 volts.
  • U t is chosen so that the transistor 13 is saturated and the value of R E is chosen so that the current i supplied by the battery 7 is equal to the maximum tolerable for the largest value of Z.
  • the device according to the invention can still be improved as described above. It is indeed observed, in fact, that the coil 10 is crossed by a current i, the maximum i max of which is defined by the values of the components of the circuit, on the one hand, and the duty cycle of the voltage slots sent to the base 8 a of transistor 8, on the other hand. However, in each cycle, during the charging phase of the capacitor, that is to say during the phase in which the coil 10 discharges in the capacitor 9, it is found that most of the energy is transferred at the start of the coil discharge. In Figure 4, there is shown schematically the current i in the coil as a function of time t.
  • the curve in solid lines represents the evolution of the current i in the coil 10 for a cycle; the rising part of the curve, corresponding to the time from t 1 to t 0 , represents the load of the coil when the transistor 8 is on; the descending part of the curve, corresponding to the time from t 0 to t 2 , represents the discharge of the coil 10 and it is clear that, if the cyclic ratio is imposed, since the time t 0 - t 1 is fixed to reach the value i max , the time t 2 - t 0 is also fixed. However, from time t 3 , the energy transferred to the capacitor 9 is low.
  • the device previously described makes it possible to define the duty cycle and the frequency of the square wave signal sent to the base of the transistor 8, by optimizing the charge of the capacitor. But, when the energy restitution time by the coil varies (passivation of the battery, increase in the charge of the capacitor, rise in the internal temperature of the battery), in this case, the duty cycle is no longer optimized and imposes a loss of time (t 2 - t 3 ) on each charge cycle of the capacitor.
  • the improvement proposed according to the invention consists in measuring in real time, by the microprocessor 3, the value of the current passing through the coil 10 and in comparing this value i with two thresholds i min and i max which are determined in the microprocessor 3 by a table of concordances from the value of Z measured by a test slot by means of the components 13, 14, as above indicated. Such a determination of i min and i max is then carried out periodically, for example every second, while the duration of a cycle is approximately 100 microseconds.
  • the microprocessor 3 has acquired a pair of values i min , i max , it turns on the transistor 8 when i reaches i min and it blocks the transistor 8 when i reaches i max .
  • control circuit which has just been described above, is nevertheless relatively complicated in its realization: it requires a voltage / current converter to generate the test niche, a means acquisition of the current from the coil 10 and a means of measuring the battery response voltage. This is the reason why, according to the invention, another implementation of the invention has been provided corresponding to the first embodiment previously defined, this embodiment being preferred over that previously described. This version is considerably simplified and does not require as a means of measuring battery voltage.
  • FIG. 5 there is shown schematically the circuit corresponding to this embodiment.
  • the charging circuit 8, 9, 10, 11 is the same as that shown in FIGS. 1 and 3.
  • the battery voltage 7 is sent to terminal 3 c of the microprocessor 3 and the charging voltage of the capacitor 9 is sent to terminal 3 d of said microprocessor.
  • Voltage slots are sent to the base of transistor 8 causing the charging sequence to start on the capacitor and the voltage U of the battery is read in real time, on input 3 c of microprocessor 3. From the first cycle, when the current i increases, the factor Z xi increases and when U reaches the lower threshold ⁇ U 0 , the voltage pulse is terminated on the base of the transistor 8, which establishes a discharge phase of the coil 10 and charging the capacitor 9; the current supplied by the battery decreases and the voltage U at the terminals of the battery increases until reaching the upper threshold ⁇ U 0 : at this time, a new voltage pulse is established on the base of transistor 8, which generates a stop of the capacitor charge. It can therefore be seen that, in this way, the voltage U of the battery is maintained between two predetermined thresholds, whatever the variations in the internal impedance of the battery 7.
  • the invention also relates to an improvement likely to be used with either of the two modes of previously defined realization.
  • This improvement concerns the problem posed by the passivation of the battery 7.
  • the passivation of the battery 7 When such a battery ages and / or when subjected to high temperatures, well that included in the range of temperatures imposed by the specifications charges relating to electric locks, there is a modification of the interface between an electrode and the electrolyte and this modification causes an increase in internal impedance.
  • the modification in question disappears if we impose on the stack of high discharge slots, for example one corresponding to a discharge of 50 mA for 1 second.
  • FIG. 6 there is shown schematically a circuit for performing the depassivation of the battery 7; in this figure, the representation of the charging circuit of the capacitor 9 has not been repeated, because this circuit is identically the same as that shown in FIG. 3.
  • This circuit comprises on the one hand, a sub-assembly 30 formed by the association of a microprocessor and discrete components and of a voltage / current converter constituted, as for the circuit shown in FIG. 3, by a transistor 13 and a resistor 14 of known value, the base of the transistor 13 receiving a voltage test slot, which makes it possible to read the voltage U t on the input 3 c of the subset 30 and to deduce therefrom, in a calculation unit 3 g , the value of the impedance Z.
  • This value is sent to a threshold comparator 3 k , which compares Z with a predetermined value Z 0 considered as capable of revealing a passivation of the battery.
  • a large value of Z can be simply the result of the action of a low temperature on the cell 7 and, in such a case, it is quite clear that a strong discharge of the cell should not be generated 7 since there is no passivation.
  • the information is sent to a comparator element 3 j of the sub-assembly 30: if the temperature is below a low threshold ⁇ 0 , it is assumed that the large value of Z is entirely due to the temperature and the action of the element 3 g is inhibited.
  • the element 3 g sends the calculated value of Z to the comparator element 3 k and, in the element 3 k , this value of Z is compared with the value Z 0 . If Z is smaller than Z 0 , a pulse of a few milliamps is sent to the output 3 f of the comparator and there we find the operation, which was previously described in connection with FIG. 3.
  • a voltage pulse is sent to the output 3 e of the microprocessor 3, this output 3 e supplying a resistor 76 much smaller than that 77 of the output 3 f and therefore making it possible to generate a strong discharge current of the stack 7 for one second: a counter element 3 l of the sub-assembly 30 is incremented by one.
  • FIG. 7 there is shown a practical implementation of the sub-assembly corresponding to the diagram of Figure 5 that is to say the preferred embodiment of the invention; we thus find, in this figure, the battery 7, the coil 10, the transistor 8, the capacitor 9 and the diode 11 which constitute the charging circuit of the capacitor.
  • This sub-assembly comprises the microprocessor 3 of FIG. 5 (not shown in FIG. 7) and the circuit 300 detailed in said FIG. 7.
  • the resistors are represented by rectangles.
  • the terminals of the circuit 300 shown, which are connected to the microprocessor 3 (not shown) have been designated by the same references as the corresponding terminals of the microprocessor 3.
  • circuit 300 also has two additional terminals 3 n , 3 p also connected to microprocessor 3.
  • the microprocessor 3 sets terminal 3 n to zero and terminal 3 p to 1.
  • the emitter of transistor 61 is connected at a point 60, itself connected to terminal 3 c and therefore to battery 7.
  • transistor 31 the base of which is linked to terminal 3 p , which blocks transistor 8, whose base is grounded, where it follows that the charging of the capacitor 9 cannot be carried out while the information U 0 is captured. If terminal 3 p is at 1, point 32 is at a voltage higher than that of point 33 since transistor 61 is on, its base being connected to terminal 3 n ; there is therefore no connection between points 32 and 33 due to the presence of the diode 34.
  • the voltage of point 33 is equal to the battery voltage (or of the battery if it is not not emergency operation) with a division coefficient corresponding to the bridge of resistors 35, 36.
  • Point 37 is at the battery voltage since transistor 61 is on.
  • Resistors 38, 39, 40 and transistor 41 constitute a voltage / current converter.
  • the capacitor 43 On the emitter of transistor 42, there is a voltage equal to the base voltage minus 0.6 volts. Therefore, the capacitor 43 will charge or discharge at a voltage equal to the voltage at point 33 reduced by 0.6 volts: it charges via the transistor 42 or discharges via the transistor 41.
  • the voltage acquired across the capacitor 43 is the image of U 0 .
  • the operational amplifier 44 is connected to a high input impedance follower and keeps the voltage of the capacitor 43 at point 47.
  • the operational amplifier 45 closes or opens the transistor 8; it is associated with resistors 50, 51, 52. If the voltage of the battery 7 is suitable and that a charge cycle for the capacitor 9 has not yet been started, at point 46 there is a fraction of the voltage of battery U, but this fraction is greater than that which made it possible to obtain the charge of the capacitor 43, so that the output 49 of the operational amplifier 45 switches to 1, which makes the transistor 8 pass.
  • resistors 50, 51, 52 determines the minimum ⁇ U 0 and maximum ⁇ U 0 thresholds of the voltage with respect to the no-load voltage U 0 ; resistor 50 determines the difference between the two thresholds and the ratio of resistors 51 and 52 determines the average value.
  • this circuit 300 it was possible to acquire the information U 0 , generate the thresholds ⁇ U 0 and ⁇ U 0 and control the charge cycles of the capacitor 9 by comparing the battery voltage U with these two thresholds, this which allows to take into account the value of the internal impedance of the battery at each moment.
  • FIG. 8 shows the part of the circuit which, with a microprocessor not shown, makes it possible to constitute the sub-assembly designated by 30 in FIG. 6.
  • the terminals 3 q , 3 s , 3 t of the circuit are connected to corresponding microprocessor terminals.
  • On terminal 3 s a test slot of a reference voltage is sent. A fraction of this reference voltage is found on the base of transistor 70.
  • the base of transistor 71 is at a voltage which is a fraction of the voltage of battery 7.
  • Resistors 72, 73 and 74, 75 are chosen so that, if the battery 7 supplies a normal voltage, the transistor 71 has its base at a higher potential than the transistor 70 and is therefore conducting, where it follows that its collector is at a voltage substantially zero; in other words, when the battery voltage reveals that there is no passivation, there is only a slight discharge of the battery during the time of the reference slot applied to the terminal 3 s .
  • the transistor 71 is blocked and the voltage of its collector takes the value of the reference voltage applied to the terminal 3 s ; this information is brought to terminal 3 t of the microprocessor, which cuts the reference voltage sent to terminal 3 s and establishes a voltage slot on terminal 3 q in which case, given that resistance 76 is much smaller than the resistance 77, the battery 7 is subjected to a strong discharge through the transistor 8 during all the time when the slot is maintained on the terminal 3 q .

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Lock And Its Accessories (AREA)
EP97403022A 1997-02-04 1997-12-12 Elektrisches Kraftfahrzeugtürschloss mit einer Notstrombatterie mit gesteuerter Entladung Ceased EP0856625A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9701213 1997-02-04
FR9701213A FR2759107B1 (fr) 1997-02-04 1997-02-04 Serrure electrique de portiere de vehicule automobile comportant une pile de secours a decharge menagee

Publications (1)

Publication Number Publication Date
EP0856625A1 true EP0856625A1 (de) 1998-08-05

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EP97403022A Ceased EP0856625A1 (de) 1997-02-04 1997-12-12 Elektrisches Kraftfahrzeugtürschloss mit einer Notstrombatterie mit gesteuerter Entladung

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EP (1) EP0856625A1 (de)
FR (1) FR2759107B1 (de)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1130202A1 (de) * 2000-03-03 2001-09-05 Valeo Securite Habitacle Verriegelungseinrichtung für eine Kraftfahrzeugtür und Verfahren zur Funktionsprüfung eines Schlossmoduls dieser Einrichtung
FR2818682A1 (fr) 2000-12-27 2002-06-28 Siemens Automotive Sa Dispositif d'alimentation de secours en energie electrique pour un dispositif de condamnation
US6531837B1 (en) * 1998-09-28 2003-03-11 Siemens Aktiengesellschaft Control circuit between a port of a microprocessor and an actuator and method of maintaining the momentary state of an actuator during a dip in the supply voltage
EP1094588A3 (de) * 1999-10-22 2004-03-03 Brose Schliesssysteme GmbH & Co. KG Schaltungsanordnung zum Betreiben eines Elektromotors
WO2006016822A1 (en) * 2004-08-10 2006-02-16 Ingersoll-Rand Architectural Hardware Limited Electrical lock actuable by variable current and/or variable voltage
ITTO20121144A1 (it) * 2012-12-24 2014-06-25 Magna Closures Spa Serratura elettronica di un dispositivo di chiusura di un veicolo a motore, provvisto di una sorgente di energia di riserva perfezionata
WO2014102282A1 (en) * 2012-12-24 2014-07-03 Magna Closures S.P.A. Electronic latch of a motor-vehicle closure device, provided with an improved backup energy source
CN111439234A (zh) * 2019-01-16 2020-07-24 本田技研工业株式会社 车门锁定控制装置及基于车门锁定控制装置的上锁方法
US11959315B2 (en) 2019-05-23 2024-04-16 Magna Closures Inc. Latch assembly with hybrid backup energy source
WO2025045734A1 (de) * 2023-08-28 2025-03-06 Brose Schließsysteme GmbH & Co. Kommanditgesellschaft STEUERANORDNUNG ZUM BETRIEB EINES KRAFTFAHRZEUGSCHLIEßSYSTEMS

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2443549A1 (fr) * 1978-12-05 1980-07-04 Peugeot Aciers Et Outillage Installation de commande des panneaux ouvrants d'un vehicule automobile
EP0506625A1 (de) * 1991-03-25 1992-09-30 Giuseppe Codrino Steuervorrichtung für Zentralverriegelung von Kraftfahrzeugtüren
DE4404501A1 (de) * 1994-02-12 1995-08-17 Marquardt Gmbh Elektronisches Türschließsystem
EP0694664A1 (de) * 1994-07-27 1996-01-31 Ymos France Anordnung bestehend aus einem elektrischen Türschloss mit einer elektrischen Notfunktion und aus seinen Steuerungs- und Versorgungsmitteln
US5547208A (en) * 1995-03-14 1996-08-20 Dennis L. Chappell Vehicle safety exit apparatus

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2443549A1 (fr) * 1978-12-05 1980-07-04 Peugeot Aciers Et Outillage Installation de commande des panneaux ouvrants d'un vehicule automobile
EP0506625A1 (de) * 1991-03-25 1992-09-30 Giuseppe Codrino Steuervorrichtung für Zentralverriegelung von Kraftfahrzeugtüren
DE4404501A1 (de) * 1994-02-12 1995-08-17 Marquardt Gmbh Elektronisches Türschließsystem
EP0694664A1 (de) * 1994-07-27 1996-01-31 Ymos France Anordnung bestehend aus einem elektrischen Türschloss mit einer elektrischen Notfunktion und aus seinen Steuerungs- und Versorgungsmitteln
US5547208A (en) * 1995-03-14 1996-08-20 Dennis L. Chappell Vehicle safety exit apparatus

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6531837B1 (en) * 1998-09-28 2003-03-11 Siemens Aktiengesellschaft Control circuit between a port of a microprocessor and an actuator and method of maintaining the momentary state of an actuator during a dip in the supply voltage
EP1094588A3 (de) * 1999-10-22 2004-03-03 Brose Schliesssysteme GmbH & Co. KG Schaltungsanordnung zum Betreiben eines Elektromotors
EP1130202A1 (de) * 2000-03-03 2001-09-05 Valeo Securite Habitacle Verriegelungseinrichtung für eine Kraftfahrzeugtür und Verfahren zur Funktionsprüfung eines Schlossmoduls dieser Einrichtung
FR2805843A1 (fr) * 2000-03-03 2001-09-07 Valeo Securite Habitacle Ensemble de verrouillage d'une porte de vehicule automobile et procede de test du bon fonctionnement d'un module de serrure de cet ensemble
US6914346B2 (en) 2000-03-03 2005-07-05 Valeo Securite Habitacle Automobile vehicle door locking assembly and process for testing correct operation of a lock module of this assembly
FR2818682A1 (fr) 2000-12-27 2002-06-28 Siemens Automotive Sa Dispositif d'alimentation de secours en energie electrique pour un dispositif de condamnation
WO2006016822A1 (en) * 2004-08-10 2006-02-16 Ingersoll-Rand Architectural Hardware Limited Electrical lock actuable by variable current and/or variable voltage
ITTO20121144A1 (it) * 2012-12-24 2014-06-25 Magna Closures Spa Serratura elettronica di un dispositivo di chiusura di un veicolo a motore, provvisto di una sorgente di energia di riserva perfezionata
WO2014102282A1 (en) * 2012-12-24 2014-07-03 Magna Closures S.P.A. Electronic latch of a motor-vehicle closure device, provided with an improved backup energy source
US10174527B2 (en) 2012-12-24 2019-01-08 Magna Closures Inc. Backup energy source for automotive systems and related control method
US10378251B2 (en) 2012-12-24 2019-08-13 Magna Closures Inc. Electronic latch of a motor-vehicle closure device, provided with an improved backup energy source
CN111439234A (zh) * 2019-01-16 2020-07-24 本田技研工业株式会社 车门锁定控制装置及基于车门锁定控制装置的上锁方法
US11959315B2 (en) 2019-05-23 2024-04-16 Magna Closures Inc. Latch assembly with hybrid backup energy source
WO2025045734A1 (de) * 2023-08-28 2025-03-06 Brose Schließsysteme GmbH & Co. Kommanditgesellschaft STEUERANORDNUNG ZUM BETRIEB EINES KRAFTFAHRZEUGSCHLIEßSYSTEMS
DE102023123080A1 (de) 2023-08-28 2025-03-06 Brose Schließsysteme GmbH & Co. Kommanditgesellschaft Steueranordnung zum Betrieb eines Kraftfahrzeugschließsystems

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Publication number Publication date
FR2759107B1 (fr) 1999-04-09
FR2759107A1 (fr) 1998-08-07

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