Control system for window lifters of a motor vehicle

• US 20070013324A1
• Filed: 06/29/2006
• Published: 01/18/2007
• Est. Priority Date: 06/29/2005
• Status: Active Grant

• Current Assignee: Brose Fahrzeugteile GmbH & Company KG Coburg
• Original Assignee: Brose Fahrzeugteile GmbH & Company KG Coburg
• Inventors: Bopp, Bertram, Übelein, Jörg
• Granted Patent: US 7,615,944 B2
• Time in Patent Office: Days
• US Class Current: 318/34
• CPC Class Codes: B60J 1/17 vertically
• CPC Class Codes: E05F 15/41 Detection by monitoring transmitted force or torque E05F15/48 takes precedence; Safety couplings with activation dependent upon torque or force, e.g. slip couplings
• CPC Class Codes: E05F 15/689 specially adapted for vehicle windows
• CPC Class Codes: E05F 15/695 Control circuits therefor
• CPC Class Codes: E05F 15/697 Motor units therefor, e.g. geared motors
• CPC Class Codes: E05F 15/70 with automatic actuation
• CPC Class Codes: E05F 17/00 Special devices for shifting a plurality of wings operated simultaneously for simultaneously moving a plurality of interconnected ventilating lamellae E06B7/086
• CPC Class Codes: E05Y 2400/336 of the angular type
• CPC Class Codes: E05Y 2400/42 for multiple openings
• CPC Class Codes: E05Y 2400/654 by electrical cables
• CPC Class Codes: E05Y 2600/40 Mounting location; Visibility of the elements
• CPC Class Codes: E05Y 2600/454 in or on the motor
• CPC Class Codes: E05Y 2800/205 forming a unit
• CPC Class Codes: E05Y 2800/22 of not identical elements of the same category, e.g. combinations of not identical springs
• CPC Class Codes: E05Y 2800/73 Single use of elements
• CPC Class Codes: E05Y 2900/55 Windows

Abstract

A control system for a first window lifter adjusts a first window pane of a motor vehicle having a first drive, and for a second window lifter for adjusting a second window pane of the motor vehicle having a second drive, having a control device. The control device may be electrically connected both to the first drive and to the second drive for the purpose of energization. The control device may have a first sensor for determining a first adjustment position of the first window lifter, and a second sensor for determining a second adjustment position of the second window lifter, the first sensor and the second sensor being based on different physical operational principles.

Claims

1. A control system for a first window lifter for adjusting a first window pane of a motor vehicle having a first drive, and for a second window lifter for adjusting a second window pane of the motor vehicle having a second drive, the control system comprising:

a control device electrically coupled both to the first drive and to the second drive for energization of the drives;

the control device having a first sensor for determining a first adjustment position of the first window lifter, and a second sensor for determining a second adjustment position of the second window lifter;

wherein the first sensor and the second sensor are based on different physical operational principles.

3. The control system according to claim 1, in which the first sensor and the second sensor are arranged on a single circuit carrier, in particular on a single printed circuit board of the control device.

5. The control system according to claim 1, in which the first sensor senses the rotational movement of the first drive, and the second sensor senses a signal which has been modulated onto at least one of the drive current and drive voltage of the second drive.

7. The control system according to claim 1, in which the first sensor is based on a magnetic operational principle and the second sensor is based on an electrically resistive operational principle.

9. The control system according to claim 1, in which the control device is arranged with the first drive as an assembly in a first motor vehicle door, and the second drive, which is controlled by the control device, is arranged remotely from the control device, outside the first motor vehicle door, in particular in a second motor vehicle door.

11. The control system according to claim 1, in which the control device has a first power driver for controlling a first drive current of the first drive, and a second power driver for controlling a second drive current of the second drive.

13. The control system according to claim 1, in which the control device has a computing unit, in particular a microcontroller, which is connected to the first sensor and to the second sensor and is designed in particular to evaluate the first sensor and the second sensor simultaneously.

15. The control system according to claim 13, in which the computing unit is designed:

to detect a first collision of the first window pane with an object or body part within a first adjustment path of the first window lifter as a function of a sensor signal of the first sensor, and

to detect a second collision of the second window pane with an object or body part within a second adjustment path of the second window lifter as a function of a sensor signal of the second sensor.

17. The control system according to claim 15, in which the computing unit is designed to control a simultaneous adjustment process, in particular an automatic adjustment process, of the first drive and of the second drive.

19. The control system according to claim 1, in which the control device is integrated into a housing of the first drive, and in which the control device has an electric terminal for the second drive.

21. The control system according to claim 1, in which the control device is arranged in a separate housing in a door of the motor vehicle, and in which the control device comprises an electric terminal for the first drive and for the second drive.

23. The control system according to claim 1, in which the control device is connected via a bus to a further electrical device of the motor vehicle.

25. The control system according to claim 23, wherein the further electrical device comprises a control device for energizing a window lifter drive.

2. A control system for a first adjustment device for adjusting a first adjustable part of a motor-vehicle having a first-drive, and for a second adjustment device for adjusting a second-adjustable part of the motor vehicle having a second drive, the control system comprising:

a control device electrically connected both to the first drive and to the second drive for the purpose of energization;

the control device having a first sensor for detecting a first collision of the first adjustable part and a second sensor for detecting a second collision of the second adjustable part; and

the first sensor and the second sensor being based on different physical operational principles.

4. The control system according to claim 2, in which the first sensor and the second sensor are arranged on a single circuit carrier, in particular on a single printed circuit board of the control device.

6. The control system according to claim 2, in which the first sensor senses the rotational movement of the first drive, and the second sensor senses a signal which has been modulated onto at least one of the drive current and drive voltage of the second drive.

8. The control system according to claim 2, in which the first sensor is based on a magnetic operational principle and the second sensor is based on an electrically resistive operational principle.

10. The control system according to claim 2, in which the control device is arranged with the first drive as an assembly in a first motor vehicle door, and the second drive, which is controlled by the control device, is arranged remotely from the control device, outside the first motor vehicle door, in particular in a second motor vehicle door.

12. The control system according to claim 2, in which the control device has a first power driver for controlling a first drive current of the first drive, and a second power driver for controlling a second drive current of the second drive.

14. The control system according to claim 2, in which the control device has a computing unit, in particular a microcontroller, which is connected to the first sensor and to the second sensor and is designed in particular to evaluate the first sensor and the second sensor simultaneously.

16. The control system according to claim 14, in which the computing unit is designed:

to detect a first collision of the first window pane with an object or body part within a first adjustment path of the first window lifter as a function of a sensor signal of the first sensor, and

to detect a second collision of the second window pane with an object or body part within a second adjustment path of the second window lifter as a function of a sensor signal of the second sensor.

18. The control system according to claim 16, in which the computing unit is designed to control a simultaneous adjustment process, in particular an automatic adjustment process, of the first drive and of the second drive.

20. The control system according to claim 2, in which the control device is integrated into a housing of the first drive, and in which the control device has an electric terminal for the second drive.

22. The control system according to claim 2, in which the control device is arranged in a separate housing in a door of the motor vehicle, and in which the control device comprises an electric terminal for the first drive and for the second drive.

24. The control system according to claim 2, in which the control device is connected via a bus to a further electrical device of the motor vehicle.

26. The control system according to claim 24, wherein the further electrical device comprises a control device for energizing a window lifter drive.