Wheel Speed Sensor Positioning Device for ABS Systems
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Solution Overview
Problem
Existing ABS systems face challenges in maintaining optimal signal strength for wheel speed sensors due to variable and difficult-to-set distances between the sensor and the pole wheel, leading to suboptimal measurement accuracy and increased complexity in manual orientation.
Innovation Solution
A device with a fastening mechanism and positioning mechanism that allows controlled adjustment of the distance between the wheel speed sensor and the pole wheel, featuring a micrometer screw for precise displacement and fixing, reducing manual effort and ensuring consistent signal quality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If manual orientation of the wheel speed sensor with respect to the receiving region is used, then the device complexity is reduced, but the manufacturing precision and measurement accuracy deteriorate due to variable distances
Solution Approach 1:
A positioning mechanism with a micrometer screw acts as an intermediary between the receiving region and the pole wheel, enabling precise control of the distance without requiring complex manual orientation procedures. The micrometer screw provides a standardized interface that simplifies operation while achieving sub-millimeter precision.
Solution Approach 2:
The positioning mechanism enables continuous adjustment of the distance parameter between the wheel speed sensor and the pole wheel. By changing this critical parameter through controlled displacement, the system achieves optimal signal strength and measurement accuracy without fixed geometric constraints.
2Device complexity
If manual orientation of the wheel speed sensor is used, then the device structure is simplified, but the ease of operation deteriorates due to difficulty in setting the optimum distance
Solution Approach 1:
The micrometer screw replaces complex manual orientation mechanisms with a standardized threading system. This mechanical substitution converts difficult angular alignment operations into simple rotational adjustments along a defined axis, significantly improving ease of operation.
Solution Approach 2:
The positioning mechanism is pre-configured with threading and guide structures that automatically establish the correct adjustment path. This preliminary preparation eliminates the need for operators to perform complex alignment calculations or procedures during installation.
3Ease of manufacture
If the distance between the wheel speed sensor and pole wheel is not precisely controlled, then the ease of manufacture is improved, but the reliability of signal detection deteriorates
Solution Approach 1:
The positioning mechanism serves as a mediating structure that decouples the manufacturing process from the final precision requirement. During assembly, the micrometer screw allows operators to achieve precise positioning without requiring ultra-precise manufacturing tolerances on the sensor holder itself.
Solution Approach 2:
The positioning mechanism transforms a static, fixed-distance design into a dynamic, adjustable system. This allows the distance to be optimized for each installation scenario, ensuring reliable signal detection across varying manufacturing tolerances and installation conditions.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The device ensures a stable and optimal distance between the wheel speed sensor and the pole wheel, enhancing signal strength, simplifying the setup process, and reducing susceptibility to vibrations, thereby improving measurement accuracy and operational stability.
Implementation Method 1
the positioning mechanism is a micrometer screw or a part of a micrometer screw
Data Source
AI summary
The present invention proposes a device for positioning a wheel speed sensor relative to a pole wheel, comprising a fastening mechanism for attaching the device to an axle body part, a receiving region for receiving the wheel speed sensor, and a positioning mechanism for the controlled setting of a distance between the receiving region and the pole wheel.