Aircraft Cabin Airflow Layout for Five-Constant Climate Control
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Solution Overview
Problem
Existing aircraft air-conditioning systems fail to provide a comfortable and healthy environment due to large airflow causing blowing sensations, inadequate fresh air supply, poor pollutant dispersion, and extreme humidity, leading to discomfort and health risks for passengers and crew.
Innovation Solution
A five-constant air-conditioning system with components including an airframe, fresh air assembly, air intake pipeline, temperature regulating chamber, air mixing chamber, gas transmission pipeline, air volume regulating assembly, and cold/hot medium pipeline assembly, which regulate temperature, humidity, oxygen, quietness, and purification to enhance cabin comfort.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If a large volume of air is supplied to the aircraft cabin, then the temperature control is improved, but the passengers experience blowing sensations and discomfort
Solution Approach 1:
The patent applies local quality by providing different air supply characteristics to different regions of the cabin. Specifically, it supplies a large volume of air at a lower height to maintain temperature without creating blowing sensations at passenger head level, thus achieving comfortable local climate control in different cabin zones
2Temperature
If a large volume of air is supplied to the aircraft cabin, then the temperature control is improved, but the pollutants disperse more widely throughout the cabin
Solution Approach 1:
The patent implements local quality by creating distinct air flow zones - supplying large volume air at lower heights for temperature control while restricting pollutant-laden air from reaching upper cabin regions, thus achieving both thermal comfort and pollutant containment in different spatial zones
3Temperature
If the air conditioning system operates continuously, then the temperature control is maintained, but the humidity becomes extremely low
Solution Approach 1:
The patent applies periodic action by alternating between different air supply modes - using large volume air supply for temperature control during certain periods while switching to humidity-preserving modes during other periods, thus achieving both temperature maintenance and humidity preservation through time-based operation cycles
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
Achieves constant temperature, humidity, quietness, oxygen, and purification control, improving passenger comfort and health by ensuring controlled airflow, fresh air supply, and efficient pollutant removal.
Implementation Method 1
an air filter further mounted in the air intake pipeline
Implementation Method 2
a temperature regulating chamber arranged at one end of the air intake pipeline
Implementation Method 3
a cold and hot medium pipeline assembly fixedly connected to one end of the cabin
Data Source
AI summary
Disclosed is a five-constant air-conditioning system of an aircraft cabin. The system includes an airframe and an internal cabin, where the airframe includes an air inlet and an air outlet provided on a surface and a fresh air assembly arranged between the airframe and the cabin; and the cabin includes an air supply outlet and an air exhaust outlet provided on an inner wall. According to the present disclosure, a temperature in the cabin is preliminarily regulated through a temperature regulating chamber by using air brought by the fresh air assembly, and the temperature is continuously regulated and controlled through a cold and hot medium pipeline assembly such that a constant temperature can be achieved. Constant humidity and constant quietness can be achieved through the fresh air assembly. Constant purification can be achieved through an air filter. Constant oxygen can be achieved through an oxygen increasing component.