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Solenoids and Driver Assistance Devices

A technology of driver assistance and electromagnetic devices, which is applied in the direction of electromagnets, valve devices, and electromagnets with armatures, etc., can solve the problems of large force-displacement measurement, expensive spring components, hysteresis, etc., to reduce friction and improve Repeatability, effect of reducing hysteresis

Active Publication Date: 2015-08-26
ROBERT BOSCH GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] However, in such electromagnetic devices, the following problem often arises: the force-displacement measurement has a large hysteresis when setting especially the pretension force
This means that the relationship between force and displacement is poorly reproducible and the measured values ​​vary widely
However, this makes the setting of the electromagnetic device, especially the pretension of the spring element, very expensive and time-consuming

Method used

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  • Solenoids and Driver Assistance Devices
  • Solenoids and Driver Assistance Devices
  • Solenoids and Driver Assistance Devices

Examples

Experimental program
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Embodiment Construction

[0024] figure 1 The solenoid device 1 is shown as a solenoid valve, wherein the solenoid valve is, for example, a component of a driver assistance device not shown here. The solenoid device 1 has an armature 2 which is operatively connected to a sealing element 3 of the solenoid valve. The sealing element 3 cooperates with a valve seat 5 formed in the valve body 4 to open or interrupt the flow connection between the outlet connection 6 and the inlet connection 7 of the solenoid valve. In the exemplary embodiment shown here, a filter 8 is assigned to the inflow connection 7 . Additionally or alternatively, a filter (not shown here) can of course also be assigned to the outlet connection 6 . Depending on the arrangement of the outlet connection 6 and the inlet connection 7 , the electromagnetic device 1 shown here is designed for radial inflow and axial outflow (relative to the longitudinal axis 9 of the electromagnetic device 1 ). Of course, the inflow direction and outflow ...

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Abstract

A solenoid device having an armature and a corresponding armature element which is arranged on the inside of the armature is disclosed. The armature and the corresponding armature element can be moved in relation to one another. An intermediate element which is provided for producing a supporting contact with the corresponding armature element is mounted in an axially movable fashion in a guide recess in the armature, and the intermediate element is operatively connected, on its side facing away from the corresponding armature element to a spring element. The intermediate element is at least partially conical. A driver assistance device is also disclosed.

Description

technical field [0001] The invention relates to an armature and an armature fitting arranged at the end side of the armature, wherein the armature and the armature fitting are displaceable relative to each other, and an axially movable support is mounted in a guide recess of the armature for supporting the armature fitting. The contacting intermediate element is operatively connected to the spring element on its side facing away from the armature counterpart. The invention also relates to a driver assistance device. Background technique [0002] Electromagnetic devices of the type mentioned at the outset are known from the prior art. These solenoid devices can, for example, be part of solenoid valves or be designed respectively as solenoid valves, wherein these solenoid valves can in turn be used for driver assistance devices, in particular ABS, TCS or ESP devices. The electromagnetic device has an armature that is movable relative to the armature counterpart. In this cas...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01F7/121H01F7/16F16K31/06
CPCB60T8/363F16K31/0665
Inventor W·施塔尔M·艾森劳尔
Owner ROBERT BOSCH GMBH
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