Disc Brake Caliper Load Cell Layout for Axial Thrust Feedback
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Solution Overview
Problem
Existing brake caliper systems struggle to accurately control and compensate for the structural and dynamic effects caused by friction and deformation, which affect the braking action.
Innovation Solution
A brake caliper with a detecting device that measures the axial force exchanged between the caliper body and the brake disc, using a load cell and elastic devices to ensure precise measurement and account for friction and deformation effects.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a detecting device is added to measure axial force, then measurement precision is improved, but device complexity increases
Solution Approach 1:
The detecting device is integrated into the existing brake caliper structure by merging the load cell with the caliper body and thrust means. The detecting device becomes an inherent part of the caliper assembly, sharing structural elements and mounting points, thereby reducing overall complexity despite adding measurement capability.
Solution Approach 2:
The detecting device serves multiple functions: it measures axial force, provides feedback for braking control, and enables compensation for structural and dynamic effects. This multi-functionality justifies the added complexity by delivering comprehensive measurement and control capabilities from a single integrated system.
2Force
If thrust means are added to apply axial force, then braking performance is improved, but device complexity increases
Solution Approach 1:
The thrust means are integrated with the detecting device and caliper body, sharing common structural elements and mounting points. This merging reduces the overall complexity increase that would result from adding separate thrust application mechanisms.
Solution Approach 2:
The thrust means work in conjunction with the detecting device to provide feedback-controlled braking. The axial force measurement feeds back to the control system, enabling precise adjustment of the thrust action, thereby improving braking performance through intelligent control rather than purely mechanical means.
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 solution enables improved control over the axial thrust action, providing more accurate feedback for braking control and allowing for better management of friction-related dissipations, thus enhancing braking performance and comfort.
Implementation Method 1
using a load cell and elastic devices to ensure precise measurement
Data Source
AI summary
A brake caliper for a disc brake system has a caliper body straddling the disc and having a first elongated portion facing a first braking surface of the brake disc, and a second elongated portion, opposite to the first elongated portion and facing a second braking surface of the brake disc opposite to the first braking surface. A bridge connects the first elongated portion and the second elongated portion to each other. The brake caliper has at least one pair of opposite brake pads, each brake pad having friction material and a support plate supporting the friction material, the support plate having a plate back facing a respective elongated portion of the first and second elongated portions. A detecting device for detecting a biasing force directed in axial direction is interposed between the plate back of the second brake pad and the second elongated portion of the caliper body.