Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • B62D—MOTOR VEHICLES; TRAILERS
  • B62D1/00—Steering controls, i.e. means for initiating a change of direction of the vehicle
  • B62D1/02—Steering controls, i.e. means for initiating a change of direction of the vehicle vehicle-mounted
  • B62D1/04—Hand wheels
  • B62D1/10—Hubs; Connecting hubs to steering columns, e.g. adjustable
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
  • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
  • B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
  • B60Q1/04—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
  • B60Q1/14—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights having dimming means
  • B60Q1/1446—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights having dimming means controlled by mechanically actuated switches
  • B60Q1/1453—Hand actuated switches
  • B60Q1/1461—Multifunction switches for dimming headlights and controlling additional devices, e.g. for controlling direction indicating lights
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • B62D—MOTOR VEHICLES; TRAILERS
  • B62D6/00—Arrangements for automatically controlling steering depending on driving conditions sensed and responded to, e.g. control circuits
  • B62D6/08—Arrangements for automatically controlling steering depending on driving conditions sensed and responded to, e.g. control circuits responsive only to driver input torque
  • B62D6/10—Arrangements for automatically controlling steering depending on driving conditions sensed and responded to, e.g. control circuits responsive only to driver input torque characterised by means for sensing or determining torque
• • G—PHYSICS
  • G01—MEASURING; TESTING
  • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
  • G01L3/00—Measuring torque, work, mechanical power, or mechanical efficiency, in general
  • G01L3/02—Rotary-transmission dynamometers
  • G01L3/14—Rotary-transmission dynamometers wherein the torque-transmitting element is other than a torsionally-flexible shaft
  • G01L3/1407—Rotary-transmission dynamometers wherein the torque-transmitting element is other than a torsionally-flexible shaft involving springs
  • G01L3/1428—Rotary-transmission dynamometers wherein the torque-transmitting element is other than a torsionally-flexible shaft involving springs using electrical transducers

Definitions

• the invention relates to a device for mounting on the steering column of a motor vehicle, comprising at least one coil spring cassette, and a disk-shaped torque sensor, with an outer ring and an inner ring, which are rotatable relative to each other.
• Torque sensors are used in motor vehicles to detect the torque applied to the steering wheel, whose value is approximately as
• the torque sensor When applying a torque, the torque sensor allows a rotational angle offset between the steering shaft and the steering wheel, which is detected by transducers and evaluated for torque detection.
• it is provided to connect the inner ring with the steering shaft and the outer ring over
• Torque sensor has a contour pin which is formed to match a contour sleeve on the steering wheel, that the torque sensor has a contour sleeve which is formed to match a contour pin on the steering shaft, and that the coil spring cassette between the steering wheel and the torque sensor is arranged.
• the torque sensor forms by means of a contour sleeve and a
• Torque sensor can be used together with almost any steering wheel, as long as the shape of the contour pin and the contour sleeve of the torque sensor with the corresponding counterparts on the steering wheel and the steering shaft fit together. This requirement can be met without special effort, since the number of commonly used forms this Connecting means, which are designed either as multi-toothed or hexagonal contours, is low.
• the proposed embodiment of the torque sensor provides a clearance between the steering wheel and the torque sensor, as
• Winding spring cassette is advantageously arranged directly on the steering wheel.
• Wickelfederkassette along or through the mounting space of the
• the arrangement of all functional components forms a stapeiförmige structure in which the functional components are interconnected via their housing or common housing parts and secured to the jacket tube of the steering column.
• FIG. 1 shows, in a schematically simplified cross-sectional view, the structure of a device for arrangement
• a central functional component is a disc-shaped
• Torque sensor 3 its basic structure in Figures 2 and 3 outlined.
• the rotatable housing part of a coil spring cassette is shown in the figure 4 as a single part.
• the torque sensor 3 which can be seen in FIG. 1 has an outer ring 4 and an inner ring 5, which are connected to one another in particular via bending spokes 13 to form a disc-shaped arrangement.
• the function of the torque sensor 3 is based on the fact that it is installed in the connecting strand between the steering wheel 8 of the motor vehicle and the steering column 19 belonging to the steering column 1, and upon rotation of the
• the rotational movement of the bending spokes 13 from the inner ring 5 is transmitted to the outer ring 4.
• the resulting deformation of the bending spokes 13 is detected by at least one electronic sensor, wherein the sensor output signal is a measure of the torque acting on the steering wheel 8.
• the torque sensor 3 has two connecting elements 16, 15, which form a contour pin 6 and a contour sleeve 7, which compatible with the contour sleeve 9 on the steering wheel 8 and the contour pin 10 on the
• Steering spindle 19 are executed.
• the contour pin 6 and the contour sleeve 7 on the torque sensor 3 are aligned with each other and together form a connecting portion 21 between the steering shaft 19 and the steering wheel 8.
• By the connecting portion 21 is achieved that almost every steering wheel 8 is connected to a suitably shaped contour sleeve 9 with the torque sensor 3 without further adjustments.
• the resulting in the cultivation of the torque sensor 3 through the connecting portion 21 extension of the steering shaft 19 is in the
• the coil spring cassette 2 can, connected directly to the steering wheel 8, be connected to the electric steering wheel components in a particularly simple manner.
• the coil spring cassette 2 consists of at least two mutually rotatable housing parts, one of which as a fixed
• Housing part 22 and one designed as a rotatable housing part 23.
• the rotatable housing part 23 is entrained with the movement of the steering wheel 8.
• Within the coil spring cassette 2 is at least one
• Ribbon cable 34 is arranged, which produces an electrical connection between electrical connections to the mutually rotatable housing parts 22, 23.
• a transmitter 32 belonging to the torque sensor 3 can be electrically connected to the ribbon cable 34 via a contacting unit 33 in the rotatable housing part 23.
• the housing part 23 consists essentially of an integrally molded plastic housing body 38.
• the contacting unit 33 consists of a plurality of parallel aligned contact pins, which are angled several times in a central portion and fixed by an encapsulation 39. Beyond the encapsulation 39, the contact pins form an upper
• the contact pins of the upper contact pin row 36 are electrically connected to the conductors of the ribbon cable 34, which extends along the circumference of the housing body 38. Both the contact pins of the lower
• Contact pin row 36 as well as the upper row of contact pins 35 extend parallel to the axis of rotation of the rotatable housing part 23 beyond the housing body 38 and are connectable with their end portions respectively to connectors 37.
• Connector 37 is rotatably connected to the torque sensor 3, the connector 37, as well as the rotatable housing part 23 is entrained in a rotation of the steering wheel 8. Similarly, the upper contact pin strip 35 contacts a, not recognizable as an individual part connector on the steering wheel 8.
• Winding spring cassette 2 a housing portion 30 integrally formed, which includes the torque sensor 3 partially.
• the housing 31 at least one further functional component 1 1, 12 can be attached.
• Steering column switch module 1 1 for receiving at least one actuated by a steering column switch 24 switch unit and secondly a
• Rotation angle sensor 12 for detecting the steering wheel rotation angle.
• the housing and housing sections 22, 23, 30, 31 belonging to the functional components 2, 3, 11, 12 can be connected to one another via integrally formed detent means, which are not described here in detail, and can thus be preassembled to form an apparatus attachable to the steering column 1.
• integrally formed detent means which are not described here in detail, and can thus be preassembled to form an apparatus attachable to the steering column 1.
• Function components 2, 3, 1 1, 12 are added as a preassembled unit in one step to the steering column 1, for example, by at least one of the interconnected housing or
• Housing sections 22, 23, 30, 31 is bolted directly to the jacket tube 25 of the steering column 1 or with a pre-assembled on the jacket tube 25 module carrier 26.
• the screwing takes place through a bore 29 in the second connecting element 16, which is shown in FIG.
• an unillustrated internal thread is formed, into which a second screw 28 can be screwed, by which the steering wheel 8, after attaching to the contour pin 6 on the second connecting element 16 is fixable.
• Figures 2 and 3 illustrate in two sectional views of the structure of the torque sensor 3 of the device. Recognizable is a first
• Connecting element 15 which forms a contour sleeve 7, which is intended to receive the contour pin 10 at the end portion of the steering spindle 19 shown in FIG.
• a second connecting element 16 with a contour pin 6 is arranged on the inner ring 5.
• the contour pin 6 is suitable for a multi-tooth sleeve used on many steering wheels designed here as a multi-tooth pin.
• a steering wheel 8 the contour sleeve 9 is normally placed directly on the contour pin 10 of the steering shaft 19, are now connected via the acting as an adapter torque sensor 3 with the steering shaft 19.
• a first screw 27 is arranged captive, by means of which the torque sensor 3 with the steering shaft 19 can be screwed.
• a connecting flange 17 Integrally formed with the contour sleeve 7 is a connecting flange 17, which is mechanically connected via a plurality of Anschraublaschen 20, which are formed in the outer ring 4, with the outer ring 4.
• the Anschraublaschen 20 are designed as bent end portions of the bending spokes 13, radially in the

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• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Chemical & Material Sciences (AREA)
• Combustion & Propulsion (AREA)
• Transportation (AREA)
• Physics & Mathematics (AREA)
• General Physics & Mathematics (AREA)
• Steering Controls (AREA)
• Power Steering Mechanism (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

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Family Applications (1)

Country Status (2)

Citations (7)

Family Cites Families (7)

• 2010
  • 2010-04-22 DE DE102010017850.0A patent/DE102010017850B4/de active Active
• 2011
  • 2011-04-18 WO PCT/EP2011/056155 patent/WO2011131630A1/de active Application Filing

Patent Citations (7)

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