Ventilation Vent with Integrated Pressure-Based Fault Detection
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Solution Overview
Problem
Existing premises ventilation systems lack the ability to detect defects such as fan breakdowns, duct leaks, or poorly positioned terminals, making it difficult for users to identify issues and perform maintenance effectively.
Innovation Solution
An air extraction or insufflation mouth with integrated detection means, including a measurement device to measure pressure differences and a data analysis system with an algorithm to compensate for environmental variations, which emits signals when defects are detected, allowing for remote and easy identification of ventilation system issues.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If fault detection means are integrated into the air extraction or insufflation vent, then fault detection capability is improved, but device complexity increases
Solution Approach 1:
The patent integrates fault detection means directly into the air extraction or insufflation vent, combining the ventilation function with the monitoring function in a single device. This merging approach enables fault detection capability while keeping the overall system structure compact and manageable.
Solution Approach 2:
The air extraction or insufflation vent is designed to serve multiple functions: it performs the primary ventilation task while simultaneously acting as a monitoring station for detecting faults in the ventilation system. This multi-functionality reduces the need for separate dedicated fault detection devices.
2Measurement precision
If pressure difference measurement is used to detect faults, then measurement precision is improved, but device complexity increases
Solution Approach 1:
The patent replaces complex mechanical fault detection methods with pressure difference measurement using sensors. This substitution enables precise detection of ventilation system faults through electrical/mechanical sensing rather than complex mechanical inspection systems.
Solution Approach 2:
The patent monitors changes in pressure difference parameters to detect faults in the ventilation system. By tracking parameter variations (pressure differences) over time, the system can identify deviations from normal operation that indicate faults, providing precise measurement capability.
3Measurement precision
If multiple measurements at regular intervals are performed, then measurement precision is improved, but loss of time increases
Solution Approach 1:
The patent implements periodic measurements at regular intervals to monitor pressure differences in the ventilation system. This periodic sampling approach provides sufficient measurement precision to detect faults while maintaining an efficient measurement cadence that does not unnecessarily consume time.
Solution Approach 2:
The system uses feedback from repeated measurements to improve detection accuracy. By comparing measurements taken at different time intervals, the system can distinguish between normal variations and actual faults, enhancing measurement precision without requiring excessive measurement frequency.
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
Enables reliable detection of ventilation system defects without requiring substantial work, integrating seamlessly into existing systems, facilitating maintenance and ensuring optimal operating conditions.
Implementation Method 1
the measuring device is configured to measure at least one pressure difference between the air inlet and the air outlet
Implementation Method 2
a first pressure sensor configured to measure a pressure at the air inlet of the air extraction or insufflation vent, and a second pressure sensor configured to measure a pressure at the air outlet
Data Source
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AI summary
The present invention relates to an air extraction or supply vent (10) for a ventilation system (100) of a room, the air extraction or supply vent (10) comprising means for detecting a fault of the ventilation system (100) configured to detect a fault of the ventilation system (100) at a distance from the air extraction or supply vent (10).