Electrical transmission or interconnection systems – Vehicle mounted systems
Patent
1997-12-17
1999-07-13
Gaffin, Jeffrey
Electrical transmission or interconnection systems
Vehicle mounted systems
310 71, 439 34, H02K 1100
Patent
active
059230940
DESCRIPTION:
BRIEF SUMMARY
DESCRIPTION
The invention relates to an electromechanical control unit for adjustment devices in motor vehicles and can be used with particular advantage in conjunction with a window lift drive in a vehicle door.
Published PCT application no. WO 91/01060 discloses a drive unit for an electromotor-operated window lift which consists of a motor with gearing as well as a control and regulating electronics system. The gear housing is designed so that the control and regulating electronics system can be inserted therein. The drive unit is connected to a separately fitted switch by a plug attached to the electronics system for producing control signals and supplying a voltage source.
The drive unit described provides a relatively compact structural assembly, but the electronically conductive connection between this unit and the switch block can only be produced in the course of completing the vehicle door. This causes increased assembly costs compared to a separately designed modular structure. A joint pre-testing of the drive unit, including the switch, is not possible.
German Patent No. 36 09 609 C2 describes an assembly unit, consisting of an electronics module, plug elements, and operating switches, which is to be installed in a vehicle door and is connected through a cable train to the functioning elements, such as the mirror adjustment, central locking and/or window drive. The housing of this assembly unit is mounted either in a part of the inner cladding of the door (e.g., the arm rests) or on the inside panel of the door.
Even here there is the drawback that the electronics switch module must subsequently be connected by cable to the electrical functioning unit. Testing all the electrical and electronic parts operating together can only be carried out after completion of the vehicle door.
SUMMARY
According to one embodiment of the invention, an electromechanical control unit for adjustment devices in motor vehicles, more particularly for a window lift, is provided. The control unit includes an electromechanical drive with an electromotor with gearing, an electronics system having a housing and in active connection with the electromotor, at least one switch in active connection with the electronics system for issuing control commands to at least one functional unit, and at least one further switch for controlling at least one further functional element, for example an electrical seat or mirror adjustment. The switches are mechanically fixable and electronically connectable to the electromechanical drive and the housing enclosing the electronics system to form a modular unit which may be built into a larger functional system, such as a vehicle door module. The switch for controlling the at least one further functional element is connected to the electronics system through an electrical plug contact and has a common serial interface with the electrical plug contact.
With an embodiment of the invention, it is possible to increase the degree of integration of the electrical and electronic components for adjustment devices and other functional groups in motor vehicles and to reduce the manufacturing and testing costs.
According to another embodiment of the invention, an electromechanical drive, electronics system and at least one switch form a pre-testable modular unit. For a practical embodiment of this unit, it is necessary to match the spatial requirements of the adjustment device connected to the drive on one side and the position of the switches required to generate control signals on the other side with each other in view of the available space in the vehicle door. It should be ensured that no, or only insignificantly slight movements are transferred to the switches through the forces arising from the electromechanical drive and thus minimizing elastic deformations of the supporting parts connected therewith. This can be achieved according to one embodiment which provides an elastic floating connection between the switch and the electronics system. The switch should thereby be in positive engagement
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Pleiss Eberhard
Seeberger Jurgen
Sesselmann Helmut
Stenzel Manfred
Brose Fahrzeugteile GmbH & Co. KG
Gaffin Jeffrey
Ganjian Peter
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