Integrated Wheel Sensor Module Reducing Wiring Complexity
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Solution Overview
Problem
The complexity and weight of vehicle sensor systems are increased due to the need for multiple sensors, each requiring separate signal wires and physical mounting structures, leading to manufacturing challenges and potential failure points.
Innovation Solution
A vehicle wheel sensor module that integrates a housing with a mount portion for the suspension assembly, incorporating a wheel speed sensor, ride height sensor with a movable lever, and an acceleration sensor, all connected via a single connector with a common ground, reducing the number of wires and mounting points.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If multiple separate sensors are used for wheel speed, ride height, and acceleration measurement, then measurement precision is improved, but device complexity and weight increase
Solution Approach 1:
The patent combines multiple separate sensors (wheel speed sensor, ride height sensor, acceleration sensor) into a single integrated sensor module housed together with common mounting and electrical connection. This merging maintains the measurement capabilities of individual sensors while reducing overall system complexity, mounting requirements, and wiring harness requirements.
2Measurement precision
If multiple separate sensors with individual mounting structures are used, then measurement precision is improved, but manufacturing cost and assembly complexity increase
Solution Approach 1:
The patent integrates multiple sensors into a single module with common mounting brackets and electrical connectors, reducing the number of separate mounting operations and assembly steps required during manufacturing.
Solution Approach 2:
The sensor module serves multiple functions (wheel speed measurement, ride height measurement, acceleration measurement) through a single integrated unit, making it a universal component that replaces multiple specialized components and simplifies the overall vehicle sensor system.
3Measurement precision
If multiple separate sensors with individual wiring are used, then measurement precision is improved, but weight and number of failure points increase
Solution Approach 1:
The patent combines multiple sensors with separate wiring harnesses into a single module with common electrical connection points, reducing the total number of wire connections and potential failure points in the electrical system.
Solution Approach 2:
The integrated sensor module provides multiple measurement functions through a single electrical connection interface, reducing the number of separate connectors and wiring paths that could potentially fail.
Data Source
AI summary
A disclosed vehicle wheel sensor module includes a housing having a mount portion for attachment to a vehicle suspension assembly, a wheel speed sensor supported within the housing, a ride height sensor including a lever movable responsive to movement of a vehicle suspension component and a single connector providing electrical communication with the wheel speed sensor and the ride height sensor.