EP0777029A1 - Dispositif de commande d'un lève-vitre électrique pour un véhicule automobile - Google Patents

Dispositif de commande d'un lève-vitre électrique pour un véhicule automobile Download PDF

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Publication number
EP0777029A1
EP0777029A1 EP96118840A EP96118840A EP0777029A1 EP 0777029 A1 EP0777029 A1 EP 0777029A1 EP 96118840 A EP96118840 A EP 96118840A EP 96118840 A EP96118840 A EP 96118840A EP 0777029 A1 EP0777029 A1 EP 0777029A1
Authority
EP
European Patent Office
Prior art keywords
push
motor
switch
terminal
pole
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.)
Withdrawn
Application number
EP96118840A
Other languages
German (de)
English (en)
Inventor
Gian Maria Timossi
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.)
Marelli Europe SpA
Original Assignee
Magneti Marelli SpA
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 Magneti Marelli SpA filed Critical Magneti Marelli SpA
Publication of EP0777029A1 publication Critical patent/EP0777029A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/60—Power-operated mechanisms for wings using electrical actuators
    • E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
    • E05F15/665—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for vertically-sliding wings
    • E05F15/689—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for vertically-sliding wings specially adapted for vehicle windows
    • E05F15/695—Control circuits therefor
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/50—Application of doors, windows, wings or fittings thereof for vehicles
    • E05Y2900/53—Type of wing
    • E05Y2900/55—Windows

Definitions

  • the present invention relates to a control device for an electrical window regulator for motor vehicles, of the type defined in the precharacterising clause of appended Claim 1.
  • control push-buttons which can be operated manually by the user, have the exclusive function of providing control signals for starting the rising or descending movement of the window.
  • the drive of the associated electric motor for raising or lowering the window is controlled by means of a plurality of power relays which are selectively energised/de-energised in accordance with and as a function of the command given.
  • the aim of the invention is to produce a control device for an electrical window regulator of a motor vehicle, which requires simpler connections and wiring and which is therefore more advantageous also from the point of view of production and set-up, as well as from the point of view of economy.
  • a control device indicated 10 is applied to an electrical window regulator 11 of a motor vehicle, which regulator comprises an electric motor 12 and a mechanism for transmitting motion which can be driven by the motor 12 and which is of known type, not shown .
  • the window regulator 11 is mounted on a door 13 of the motor vehicle which is adjacent to the driver's seat ("driver's side").
  • the motor 12 is of the direct current type and has two terminals 15 and 16. Its rotor can be rotated in two senses in accordance with the direction of the current supplied to the motor.
  • the rotation of the motor induced by a current I in the sense of the arrow of Figure 1 causes the window (for example) to be raised, while a flow of current into the motor in the opposite sense causes the window to be lowered.
  • the control device 10 in Figure 1 comprises a pair of push-buttons 17 and 18 for controlling the raising and lowering, respectively, of the window, and a control unit 19.
  • the unit 19 is mounted in the body of the motor vehicle, while the push-buttons 17 and 18 are mounted, for example, on the door 13 on the driver's side and are connected to the unit 19 by means of connections 25 and 26.
  • the push-buttons 17 and 18 act on two respective switches 21 and 22 which are pulse-controlled and (for example) have spring return.
  • Each switch has a mobile contact 21a, 22a and two fixed contacts 21b, 21c and 22b, 22c.
  • the mobile contacts 21a and 22a are normally closed on the fixed contacts 21b and 22b, respectively, as shown in Figure 1.
  • the mobile contacts 21a, 22a are connected to the terminals 15 and 16 of the motor 12, while the contacts 21b, 22b are connected to the unit 19, and the contacts 21c, 22c are connected to the positive pole of the battery 14 by way of a conductor 20.
  • the unit 19 comprises two switching relays 23 and 24 and a control circuit 27.
  • Each of the relays 23 and 24 has a mobile contact 23a, 24a and two fixed contacts 23b, 23c and 24b, 24c.
  • the mobile contacts 23a, 24a are normally closed on the fixed contacts 23b and 24b, respectively.
  • the mobile contacts of the relays 23 and 24 are connected, respectively, to the fixed contacts 21b and 22b of the switches 21 and 22, by way of the conductors 25 and 26.
  • the fixed contacts 23c and 24c of the two relays 23 and 24 are connected to the positive pole of the battery 14, while the contacts 23b and 24b are connected to earth E by way of shunt resistors R1 and R2.
  • the terminals 15 and 16 of the motor 12 are connected to earth by way of the resistors R1 and R2, the mobile contacts 21a, 22a and the fixed contacts 21b, 22b of the switches 21 and 22, the conductors 25 and 26 and the contacts 23a, 23b and 24a, 24b of the relays 23 and 24.
  • the control circuit 27 has two inputs 28 and 29 which are connected to the resistors R1 and R2, and two outputs 30 and 31 which control the relays 23 and 24.
  • a further input line 32 is optionally also provided.
  • the circuit 27 controls the relays 23 and 24 in such a manner as to supply the motor 12 in conformity with the commands imparted by means of the push-button 17 or 18, or by means of the line 32.
  • the circuit 27 can interrupt the supply to the motor after a new command given by means of the push-button 17 or 18 or as a result of the attainment of a stop position in the rising or descending movement of the window, as will be described in more detail hereinafter.
  • the circuit 27 is designed to detect the voltages at its input 28 or 29, which indicate the current flowing into the motor 12 and its sense of flow.
  • the control circuit 27 is also designed to drive the switching of the relay 24 and the relay 23, respectively, after the detection of a voltage at its input 28 or 29.
  • the circuit 27 is also designed to detect a loss of voltage at its input 28 or 29, which indicates an interruption in the current I into the motor 12, and, as a consequence, to carry out a particular stopping sequence or procedure of the motor.
  • This stopping sequence provides for the initial energisation of both relays 23 and 24 and their subsequent de-energisation after a predefined period of stabilisation. This brings about the definite interruption of the supply of current to the motor even if one of the push-buttons 17 or 18 has been maintained activated temporarily after the motor has been stopped.
  • the circuit 27 is also designed to detect overvoltages at its inputs 28 and 29, which indicate that the motor 12 is overloaded, in order to start the stopping sequence in a manner analogous to that provided for when a loss of voltage is detected.
  • the operation of one of the two push-buttons 17 or 18 causes the motor 12 to be started in the sense corresponding to the raising or, respectively, lowering of the window.
  • the movement of the window can be interrupted by means of a subsequent pulsed operation of the other push-button 18 or 17, or after the circuit 27 has detected that a stop position has been reached.
  • the operation of the push-button 17 which controls the raising of the window brings about the connection of the terminal 15 of the motor 12 to the positive pole of the battery 14, with a consequent flow of current I in the sense of the arrow of Figure 1, by way of the contacts 21a, 21c of the switch 21, the contacts 22a and 22b of the switch 22, the conductor 26, the relay 24 and the resistor R2.
  • the circuit 27 detects the voltage appearing at its input 29 and provides an energising command at its output 30.
  • the relay 23 switches over and its mobile contact 23a closes on the fixed contact 23c which is connected to the battery 14.
  • the contact 21b of the switch 21 is thus connected to the battery 14 by way of the conductor 25 and the relay 23.
  • the terminal 15 of the motor 12 remains connected to the battery, and a current I continues to flow into the motor in the sense of the arrow, and towards earth via the contacts 22a and 22b of the switch 22, the relay 24 and the resistor R2.
  • the motor increases to its normal speed and causes the window to be raised continuously.
  • the circuit 17 After the period of stabilisation provided for by the stopping sequence, the circuit 17 finally de-energises both relays 23 and 24, reconnecting the terminals 15 and 16 of the motor to earth (resting state).
  • the window continues to rise until it reaches the upper stop position.
  • An overload current then passes through the motor 12 as a result of the stopping of the rotor thereof.
  • the circuit 27 detects the state of overvoltage at the resistor R2 and starts the stopping sequence described above, finally restoring the resting states of the various components.
  • the controlled lowering and stopping of the window are effected in a manner exactly symmetrical to that described above, in response to an initial operation of the lowering push-button 18 and to the subsequent operation of the raising push-button 17 or to reaching the lower stop position.
  • the depression of the push-button 18 causes the terminal 16 to be connected to the positive pole of the battery by way of the contacts 22a and 22c of the switch 22, with a consequent flow of current into the motor 12 in the opposite sense to that of the arrow in Figure 1, this current flowing towards earth by way of the contacts 21a, 21b of the switch 21, the conductor 25, the relay 23 and the resistor R1.
  • the circuit 27 responds to the voltage which appears at its input 28 by energising the relay 24, the mobile contact 24a of which closes on the contact 24c, thus becoming connected to the positive pole of the battery.
  • the operation of the raising push-button 17 during the lowering of the window interrupts the passage of current into the motor and into the resistor R1.
  • the circuit 27 then starts the stopping sequence described above, returning the entire device to the resting state.
  • the circuit also monitors the voltage at the resistor R1 during the lowering of the window and starts the stopping sequence if it detects an overvoltage, which indicates the stopped state of the motor 12 when the window reaches the lower stop position.
  • the circuit 27 is also designed to control the raising of the window as far as the upper stop position in response to a signal applied to its input 32. In that case, the circuit 27 energises the relay 23, causing the window to be raised continuously until it reaches the stop position.
  • the input 32 of the circuit 27 may receive a control signal as a result of the activation of a system for locking the doors of a motor vehicle, which signal is emitted, for example, by means of a remote control device in a manner known per se .
  • control device 35 illustrated in Figure 2 differs from the device 10 described above in respect of the control unit, which is now indicated 36.
  • the control unit 36 comprises the same relays 23 and 24, which are connected in the same way to the switches 21 and 22.
  • the unit 36 has, however, a different control circuit, indicated 37, and a single shunt resistor R.
  • the control circuit 37 has, correspondingly, a single input for testing the voltage across the resistor R.
  • Both the operation of the push-button 17 and the operation of the push-button 18 cause a current to pass into the resistor R in the same direction.
  • the circuit 37 is designed to detect the voltage which appears at its input 38, but this voltage indicates only that a current is flowing into the motor 12 and the absolute value of that current, but not its sense of flow.
  • the circuit 37 is, however, advantageously designed to distinguish the sense of flow of the current into the motor by carrying out the following check in an initial testing stage.
  • the circuit 37 energises one of the relays 23, 24, for example the relay 23, and thus monitors the voltage at the resistor R.
  • the circuit 37 can thus detect that the current into the motor 12, before the energisation of the relay 23, flows in the sense corresponding to the lowering of the window. The circuit therefore proceeds to de-energise the relay 23 and to energise the relay 24.
  • the motor is thus now supplied by way of the switch 21, the contacts 23a and 23b of the relay 23, the relay 22 and the contacts 24a, 24c of the relay 24. After the momentary interruption of the current during the brief energisation of the relay 23, the motor 12 can now restart and effect the lowering of the window.
  • the testing and checking stage described above can be carried out within a minimum time period of the order of a few milliseconds and therefore the user is not in practice aware of any discontinuity of operation.
  • the circuit 37 is designed to monitor the voltage at the resistor R and to start a stopping sequence if it detects overvoltage indicating that the motor 12 is overloaded.
  • the stopping sequence is analogous to that described above in connection with the circuit 27 of Figure 1 and provides for the simultaneous energisation of the two relays 23 and 24, followed by de-energisation after a period of stabilisation.
  • the circuit 37 is also designed to provide for the raising of the window as far as the upper stop position in response to a signal applied to its input 32, by energising the relay 23 after the activation, for example, of a control system for locking the doors of the vehicle, imparted by means of (for example) a remote control device.
  • control device 40 is applied to an electrical window regulator 11 mounted on a door 42 on the side of the motor vehicle opposite the driver's side.
  • the device 40 comprises a first pair of push-buttons 44 and 45 mounted on the door 42, a second pair of push-buttons 47 and 48 mounted on the door 13 adjacent to the driver's seat, and a control unit 46.
  • the push-buttons 44 and 47 control the raising of the window, while the push-buttons 45 and 48 control the lowering thereof.
  • the push-buttons 44 and 45 operate switches 49 and 50 mounted on the door 42, while the push-buttons 47 and 48 operate switches 51 and 52 mounted on the door 13. These switches are of the pulsed type with spring return and are connected to one another and to the unit 46 in the manner illustrated.
  • the switches 49 to 52 are analogous to the switches 21 and 22 of the device 10 of Figure 1, and their contacts 49c-52c are also connected to the positive pole of the battery 14.
  • the motor 43 is connected to the mobile contacts of the switches 49 and 50, and the contacts 49b and 50b of the switches 49 and 50 are connected to the mobile contacts 51a and 52a of the switches 51 and 52.
  • the electronic unit 46 is substantially identical with the unit 19 of Figure 1 and comprises two switching relays 54 and 55 and a control circuit 56, analogous to the relays 23, 24 and to the circuit 27 of Figure 1.
  • the mobile contacts 54a and 55a of the relays 54 and 55 are connected to the contacts 51b and 52b, respectively, of the switches 51 and 52.
  • the contacts 54c and 55c are connected to the positive pole of the battery 14, and the contacts 54b and 55b are connected to earth by way of shunt resistors R3 and R4.
  • the control circuit 56 is designed to detect the voltages at the resistors R3 and R4 applied to its inputs 57 and 58 and to cause the relays 54 and 55 to be switched by way of two output lines 59 and 60.
  • the circuit 56 also has a further input line 61, for external activation, for example as a result of a command given with a remote control device.
  • the possibility of controlling the window regulator 11 by means of the push-buttons 44 and 45 is governed by the state of the switches 51 and 52 and, analogously, the possibility of control by means of the push-buttons 47 and 48 is governed by the state of the switches 49 and 50.
  • the push-buttons 44, 45, 47 and 48 are able to activate the unit 46 and the motor 43 in a manner analogous to that described above in connection with the operation of the device 10 of Figure 1.
  • a push-button 44 or 47 controlling the raising of the window causes one terminal of the motor 43 to be connected to the positive pole of the battery by way of the path 49a, 49c of the switch 49 or by way of the path 51a, 51c of the switch 51, the paths 50a, 50b and 52a, 52b of the switches 50 and 52, the relays 54 and 55 and the shunt resistor R4.
  • the circuit 56 responds to the voltage which appears at its input 58 by sending a signal on the line 59 in order to energise the relay 54, the mobile contact 54a of which moves onto the contact 54c, thus becoming connected to the positive pole of the battery 14.
  • the operation of the lowering push-button 45 or 48 in the course of the raising of the window causes the associated switch 50 or 52 to switch over and the motor to stop.
  • the interruption of the current into the resistor R4 is detected by the circuit 56 which starts a stopping sequence for the motor 43, in a manner analogous to that described above.
  • the relay 55 is energised and therefore the two terminals of the motor 43 are both connected to the positive pole of the battery and, after a period of stabilisation, both relays are de-energised.
  • the lowering of the window is in this case stopped by operating a push-button 44 or 47 controlling the raising of the window.
  • the stopping of the motor 43 when the window reaches a stop position is effected, as in the case of the device according to Figure 1, as a result of the detection of an overvoltage at the resistor R3 or R4 and with the starting of a stopping sequence on the part of the circuit 56, analogous to the sequences described above.
  • the shunt resistors R3 and R4 may be replaced by a single resistor, as in the device of Figure 2.
  • relays can be replaced by solid state switching devices.
  • control units 19, 36 and 46 can be produced in an integrated form in a single component.
  • control units described above can be produced using suitably programmed microprocessor units.

Landscapes

  • Window Of Vehicle (AREA)
  • Power-Operated Mechanisms For Wings (AREA)
EP96118840A 1995-12-01 1996-11-25 Dispositif de commande d'un lève-vitre électrique pour un véhicule automobile Withdrawn EP0777029A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITTO950960 1995-12-01
IT95TO000960A IT1280496B1 (it) 1995-12-01 1995-12-01 Dispositivo di comando per un alzavetro elettrico per autoveicoli.

Publications (1)

Publication Number Publication Date
EP0777029A1 true EP0777029A1 (fr) 1997-06-04

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ID=11413992

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96118840A Withdrawn EP0777029A1 (fr) 1995-12-01 1996-11-25 Dispositif de commande d'un lève-vitre électrique pour un véhicule automobile

Country Status (3)

Country Link
EP (1) EP0777029A1 (fr)
BR (1) BR9604641A (fr)
IT (1) IT1280496B1 (fr)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2156072A1 (es) * 1998-03-14 2001-06-01 Bosch Gmbh Robert Procedimiento para la activacion de un accionamiento electrico.
EP1443625A2 (fr) * 2003-01-21 2004-08-04 Alps Electric Co., Ltd. Circuit de commande de charge simple pour commander plusieurs charges pour ordre de priorité
GB2430704A (en) * 2002-08-23 2007-04-04 Chamberlain Group Inc Movable barrier operator with energy management control and corresponding method
US7755223B2 (en) 2002-08-23 2010-07-13 The Chamberlain Group, Inc. Movable barrier operator with energy management control and corresponding method
US8665065B2 (en) 2011-04-06 2014-03-04 The Chamberlain Group, Inc. Barrier operator with power management features
JP2015175139A (ja) * 2014-03-14 2015-10-05 オムロンオートモーティブエレクトロニクス株式会社 窓開閉制御システム及び窓開閉制御装置
JP2016008466A (ja) * 2014-06-26 2016-01-18 オムロンオートモーティブエレクトロニクス株式会社 窓開閉制御システム及び窓開閉制御装置
JP2016008467A (ja) * 2014-06-26 2016-01-18 オムロンオートモーティブエレクトロニクス株式会社 窓開閉制御システム及び窓開閉制御装置
JP2016014292A (ja) * 2014-07-03 2016-01-28 オムロンオートモーティブエレクトロニクス株式会社 窓開閉制御システム及び窓開閉制御装置
JP2016030975A (ja) * 2014-07-30 2016-03-07 オムロンオートモーティブエレクトロニクス株式会社 窓開閉制御システム及び窓開閉制御装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2013428A (en) * 1978-01-25 1979-08-08 Tekron Patents Ltd Circuits for electric window winders for vehicles
GB2026723A (en) * 1978-01-25 1980-02-06 Tekron Patents Ltd Circuits for Electric Window Winders for Vehicles
DE4324658A1 (de) * 1992-07-27 1994-02-03 Siemens Ag Steuereinheit für den Antrieb eines Öffnungsverschlusses eines Kfz
EP0595452A1 (fr) * 1992-09-02 1994-05-04 Sumitomo Wiring Systems, Ltd. Dispositif de commande de lève-vitre

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2013428A (en) * 1978-01-25 1979-08-08 Tekron Patents Ltd Circuits for electric window winders for vehicles
GB2026723A (en) * 1978-01-25 1980-02-06 Tekron Patents Ltd Circuits for Electric Window Winders for Vehicles
DE4324658A1 (de) * 1992-07-27 1994-02-03 Siemens Ag Steuereinheit für den Antrieb eines Öffnungsverschlusses eines Kfz
EP0595452A1 (fr) * 1992-09-02 1994-05-04 Sumitomo Wiring Systems, Ltd. Dispositif de commande de lève-vitre

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2156072A1 (es) * 1998-03-14 2001-06-01 Bosch Gmbh Robert Procedimiento para la activacion de un accionamiento electrico.
US7755223B2 (en) 2002-08-23 2010-07-13 The Chamberlain Group, Inc. Movable barrier operator with energy management control and corresponding method
US8314509B2 (en) 2002-08-23 2012-11-20 The Chamberlain Group, Inc. Movable barrier operator with energy management control and corresponding method
US7855475B2 (en) 2002-08-23 2010-12-21 The Chamberlain Group, Inc. Movable barrier operator with energy management control and corresponding method
GB2430704A (en) * 2002-08-23 2007-04-04 Chamberlain Group Inc Movable barrier operator with energy management control and corresponding method
GB2430704B (en) * 2002-08-23 2007-06-27 Chamberlain Group Inc Movable barrier operator with energy management control and corresponding method
US6903522B2 (en) 2003-01-21 2005-06-07 Alps Electric Co., Ltd. Simple load-driving circuit capable of driving plural loads according to given priority order
EP1443625A3 (fr) * 2003-01-21 2004-10-27 Alps Electric Co., Ltd. Circuit de commande de charge simple pour commander plusieurs charges pour ordre de priorité
EP1443625A2 (fr) * 2003-01-21 2004-08-04 Alps Electric Co., Ltd. Circuit de commande de charge simple pour commander plusieurs charges pour ordre de priorité
US8665065B2 (en) 2011-04-06 2014-03-04 The Chamberlain Group, Inc. Barrier operator with power management features
JP2015175139A (ja) * 2014-03-14 2015-10-05 オムロンオートモーティブエレクトロニクス株式会社 窓開閉制御システム及び窓開閉制御装置
JP2016008466A (ja) * 2014-06-26 2016-01-18 オムロンオートモーティブエレクトロニクス株式会社 窓開閉制御システム及び窓開閉制御装置
JP2016008467A (ja) * 2014-06-26 2016-01-18 オムロンオートモーティブエレクトロニクス株式会社 窓開閉制御システム及び窓開閉制御装置
JP2016014292A (ja) * 2014-07-03 2016-01-28 オムロンオートモーティブエレクトロニクス株式会社 窓開閉制御システム及び窓開閉制御装置
JP2016030975A (ja) * 2014-07-30 2016-03-07 オムロンオートモーティブエレクトロニクス株式会社 窓開閉制御システム及び窓開閉制御装置

Also Published As

Publication number Publication date
ITTO950960A0 (fr) 1995-12-01
BR9604641A (pt) 1998-06-23
ITTO950960A1 (it) 1997-06-01
IT1280496B1 (it) 1998-01-20

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