Airborne test system and method for oxygen concentration of airplane fuel tank on the basis of electrochemistry principles

A test system and electrochemical technology, applied in aircraft component testing, measuring devices, scientific instruments, etc., can solve problems such as aircraft crashes, oil and gas ignition and explosions, etc.

Pending Publication Date: 2018-03-02
CHINESE FLIGHT TEST ESTAB
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Problems solved by technology

When the enemy fire penetrates the fuel tank, it may cause the fuel gas in the oil-free space to ignite and explode, causing the aircraft to crash

Method used

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  • Airborne test system and method for oxygen concentration of airplane fuel tank on the basis of electrochemistry principles
  • Airborne test system and method for oxygen concentration of airplane fuel tank on the basis of electrochemistry principles

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Embodiment Construction

[0027] In this embodiment, the system is used in the laboratory to measure the standard gas mixed with nitrogen and oxygen (gas calibrated by a qualified metering center), and the measurement accuracy and measurement accuracy of the measurement system are verified. In a certain type of transport aircraft fuel tank In the flight test verification of the inerting system, the test system was used to detect the gas oxygen concentration in the oil-free space of the aircraft fuel tank or the inerting system pipeline, and verified the function and technical performance of the fuel tank inerting system of a certain type of transport aircraft.

[0028] This test system realizes the continuous and uninterrupted monitoring of the oxygen content of the gas in the aircraft fuel tank inerting system by sampling, and records and stores the monitoring data in real time to verify the effectiveness and reliability of the aircraft fuel tank inerting system and stability. The test system consists...

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Abstract

The invention relates to airborne test system and method for oxygen concentration of an airplane fuel tank on the basis of electrochemistry principles. The system is composed of eight channels, whichare divided into two groups by four in each group. Each group is composed of a cabinet A and a cabinet B and is equipped with four channels. Each group is also equipped with four oxygen content monitoring devices and is also correspondingly matched with a sample collection subsystem, a data collection and processing subsystem, an assistant subsystem and a power subsystem. The test method of the test system mainly includes four steps: work preparation, calibration of the test system, sample gas detection, and system reset. In the invention, after the work preparation and calibration are completed on ground, to-be-tested gas is automatically sampled and processed until input requirement of the oxygen content monitoring devices is reached; and then oxygen concentration in a non-oil space in the airplane fuel tank or pipelines of an inerting system during the whole flight can be analyzed, collected and recorded in real time; on the basis of the data, the intering effect of the inerting system of the airplane fuel tank can be evaluated. The system has high automation degree and high detection precision, and is convenient to use.

Description

technical field [0001] This test system is an oxygen concentration test system for aircraft fuel tanks based on electrochemical principles developed to verify the performance indicators of aircraft fuel tank inerting systems. During the process, the gas in the oil-free space in the aircraft fuel tank or the pipeline of the inerting system is sampled in real time, and the pressure, flow and temperature are controlled and adjusted to analyze in real time whether the oxygen concentration in the fuel tank meets the technical indicators specified in the general requirements for development. It can measure, record and display the oxygen concentration in the aircraft fuel tank inerting system and each fuel tank in real time. The system has high degree of automation, convenient operation and high precision. It belongs to the field of aviation test equipment, and can also be used in chemical fields such as coal and petroleum. Background technique [0002] For modern military aircraf...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N27/416B64F5/60
CPCG01N27/416B64F5/60
Inventor 吕美茜魏锦洲韩斌王涛任伟
Owner CHINESE FLIGHT TEST ESTAB
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