Brake Particle Capture Filter Clogging Detection and Machine Limiting
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Solution Overview
Problem
Friction braking systems in machines often experience inefficient operation due to filter clogging or malfunctioning filter clogging detection systems, leading to particle diffusion into the atmosphere and reduced machine performance.
Innovation Solution
A control unit and filter clogging detection device are integrated to detect filter clogging and inoperative detection systems, sending signals to limit machine operation and inform users, using pressure sensors to compare measured pressures against reference thresholds to determine clogging.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the filter is used to collect particles from the braking system, then particle capture efficiency is improved, but the filter becomes clogged over time leading to reduced system performance
Solution Approach 1:
The system performs preliminary detection of filter clogging conditions through pressure sensors before the filter completely fails. By monitoring pressure differential across the filter and detecting vacuum source performance degradation, the system identifies clogging early and can trigger maintenance actions or alerts, preventing complete system failure and maintaining productivity.
Solution Approach 2:
The system continuously monitors pressure differential across the filter and vacuum source performance, providing real-time feedback on filter clogging status. This feedback loop enables the control system to detect when the filter is approaching clogging thresholds and take appropriate actions, resolving the contradiction by maintaining both capture efficiency and system performance through active management.
2Device complexity
If the filter clogging detection system is not monitored, then device complexity is reduced, but undetected clogging leads to inefficient machine operation
Solution Approach 1:
The detection system uses the existing vacuum source and pressure sensors already present in the particle capture system, eliminating the need for separate dedicated detection devices. The vacuum source itself serves the dual function of particle capture and filter clogging detection through performance monitoring, reducing overall device complexity while maintaining detection capability.
Solution Approach 2:
The pressure sensors and vacuum source are designed to serve multiple functions: particle capture operation and filter clogging detection. By making these components multi-functional, the system achieves effective monitoring without adding dedicated detection hardware, thus maintaining low complexity while ensuring productivity through detected clogging conditions.
3Reliability
If pressure sensors are installed to detect filter clogging, then detection reliability is improved, but device complexity and cost increase
Solution Approach 1:
The system uses pressure sensors that monitor the natural operation of the vacuum source and filter system. These sensors detect clogging by measuring pressure differential across the filter and vacuum source performance, allowing the existing system to self-diagnose filter conditions without requiring additional complex detection hardware or external monitoring equipment.
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
Reliably detects filter clogging and inoperative detection systems, activating measures to limit machine operation and prevent particle diffusion, ensuring efficient machine performance and user notification.
Implementation Method 1
a vacuum source, a pneumatic circuit which connects the friction braking system to the vacuum source
Implementation Method 2
the detection device comprises a pressure sensor which is located on the pneumatic circuit upstream of the filter, the detection device being able to send to the control unit in a signal a measurement of the pressure P 1 in the pneumatic circuit upstream of the filter
Implementation Method 3
a filter located on the pneumatic circuit and mounted on a support... this filter is placed upstream of the depression source, and prevents particles from passing through the depression source and their diffusion into the atmosphere
Data Source
Figure 1~3
AI summary
The invention relates to a system (1) for capturing braking particles of a friction brake system (10) of a machine (90), which comprises a vacuum source (20), a pneumatic circuit (30) that connects the friction brake system (10) to said vacuum source (20), and a filter (40) located on said pneumatic circuit (30) and mounted on a support (41). The capturing system (1) comprises a control unit (60), a control device (70) of said machine (90), and a device (50) for detecting the clogging of the filter (40), which is capable of sending at least one signal to the control unit (60) when the filter (40) is clogged, the control unit (60) being capable of determining on the basis of this signal the clogging of the filter (40), and which is capable of determining whether the detection device (50) is inoperative, the control unit (60) being capable of activating the control device (70) for limiting the operation of the machine (90) when the filter (40) is clogged or when the detection device (50) is inoperative.