Aircraft Ventilation Orifice Plate RFID Identification
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Solution Overview
Problem
Current ventilation systems in wide-bodied aircraft with pressurized cabins face challenges in efficiently managing air flow and identifying errors in orifice plate arrangements, leading to laborious and often unsuccessful troubleshooting processes.
Innovation Solution
Integration of RFID technology into volume flow control members, such as perforated plates with embedded electronic memories and transmitters, allows for remote identification and correction of orifice plate parameters, enabling rapid and cost-effective diagnosis and maintenance of air flow issues.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If orifice plates are installed in the ventilation ducts to control air flow, then air flow distribution is improved, but the complexity of detecting and measuring installation errors increases
Solution Approach 1:
The patent introduces RFID tags as intermediary elements attached to orifice plates. These tags store identification information that can be remotely read by a detection device, serving as a mediator between the physical orifice plate installation and the monitoring system. This allows error detection without physical inspection of each plate.
Solution Approach 2:
The patent replaces manual visual inspection and physical verification of orifice plate installations with an automated electronic detection system. The RFID-based system uses electromagnetic fields to read identification data, substituting mechanical inspection methods with electronic automation.
2Measurement precision
If extensive checks are made to locate faults in the ventilation system, then measurement precision is improved, but loss of time increases
Solution Approach 1:
The patent implements a feedback system where RFID tags on orifice plates continuously provide identification information to a central monitoring system. When an error is detected, the system immediately provides feedback about the specific location and nature of the error, enabling rapid correction without extensive manual checking.
Solution Approach 2:
The patent applies preliminary action by pre-installing RFID tags on orifice plates during manufacturing or installation. This allows the system to be pre-configured with identification data, so that when deployment occurs, fault detection can immediately begin without requiring sequential manual inspection.
3Ease of repair
If the ventilation system is opened up at several locations to replace faulty orifice plates, then ease of repair is improved, but device complexity increases
Solution Approach 1:
The patent segments the ventilation system into modular components, each with its own RFID-tagged orifice plate. This segmentation allows individual plates to be identified and replaced independently without requiring disassembly of the entire ventilation system, simplifying repair operations.
Solution Approach 2:
The RFID tag serves as an intermediary that provides location information without requiring physical access to the orifice plate itself. The detection device can read tag information through the duct wall or at accessible points, eliminating the need to open the ventilation system merely for identification purposes.
4Adaptability or versatility
If numerous air outlets and branch lines are installed in wide-bodied aircraft, then adaptability is improved, but device complexity increases
Solution Approach 1:
The patent applies universality by using identical RFID-tagged orifice plates across all air outlets and branch lines in the ventilation system. This standardized approach allows the same component design and identification method to be used throughout the complex network, simplifying manufacturing, installation, and maintenance despite the system's extensive coverage.
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
This solution allows for precise identification and correction of air flow issues without disassembling the ventilation system, reducing maintenance time and costs, and enabling efficient air circulation in aircraft cabins.
Implementation Method 1
a transmitter unit for transmitting the orifice plate parameters from the memory to an external receiver
Data Source
AI summary
A ventilation system for a wide bodied aircraft with pressurization cabin which includes: a compressor apparatus with a heat exchanger for drawing air in from an input reservoir and for generating an excess pressure in at least one output reservoir, several air outlets in the pressurization cabin which are connected to the output reservoir of the compressor apparatus, and at least one suction air intake pipe in the pressurization cabin wherein the volume flow through at least one of the air outlets is adjusted each time by a volume flow control member, as well as to a method for manufacturing a ventilation system of this type. So that errors in the arrangement of the orifice plates in the ducts can be traced, and where applicable remedied, rapidly and without great expense it is proposed according to the disclosed embodiments that the volume flow control member includes: an orifice plate with predetermined internal cross-section in one pipe section, an electronic memory for storing orifice plate parameters and a transmission device for transmitting the orifice plate parameters from the memory to an external receiver device.