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Real-time monitoring system and method of tire pressure of airplane

A technology of real-time monitoring and aircraft tires, applied in aircraft parts, tire measurement, tire parts, etc., can solve problems such as tire pressure monitoring of aircraft tires that cannot be effectively solved, achieve simple structure, reduce adverse excitation, and reduce tire blowouts The effect of chance

Inactive Publication Date: 2010-07-14
NORTHWESTERN POLYTECHNICAL UNIV +1
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AI Technical Summary

Problems solved by technology

[0004] In order to overcome the deficiency that the existing technology cannot effectively solve the monitoring of aircraft tire pressure, the present invention provides a real-time monitoring system for aircraft tire pressure

Method used

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  • Real-time monitoring system and method of tire pressure of airplane
  • Real-time monitoring system and method of tire pressure of airplane
  • Real-time monitoring system and method of tire pressure of airplane

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Embodiment Construction

[0034] Such as figure 1As shown, the present invention includes a power supply 1, a CAN bus 2, a control module 3 in the landing gear, a first rotary transformer 4, a second rotary transformer 5, an in-wheel monitoring module 6, a pressure sensor 7, an air release mechanism 8 and a cockpit Meter 9. The power supply 1 is a +28V low-voltage DC power supply on the aircraft, which is used to supply power to the control module 3 in the landing gear. The CAN bus 2 is used for interactive communication between the cockpit instrument 9 and the control module 3 in the landing gear. Each landing gear strut is installed with an in-landing gear control module 3 , which controls two in-wheel monitoring modules 6 and communicates with cockpit instruments 9 through the CAN bus 2 . There are 7 control modules 3 in the landing gear in this implementation example, and its functions mainly include: processing the data sent by the monitoring module 6 in the wheel, demodulating the pressure sign...

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Abstract

The invention discloses real-time monitoring system and method of the tire pressure of an airplane. A power source supplies power for a control module of an undercarriage; the control module in the undercarriage supplies power for a monitoring module in an airplane wheel through a first rotating transformer and carries out interactive communication with the monitoring module in the airplane wheel through a second rotating transformer as well as carries out interactive communication with a control cabin instrument through a CAN (Control Area Network) bus; a pressure sensor monitors the pressure of wheel tires in real time and transmits data to the monitoring module in the airplane wheel; the monitoring module in the airplane wheel controls an air-release mechanism to adjust the tire pressure; and the control cabin instrument displays a tire pressure value and abnormal information and sets a pressure regulation and control instruction. The invention solves the problems existing in the cell power supply and radio-frequency communication and has the advantages of simple structure, favorable expandability and high reliability. In addition, the invention ensures that the airplane reduces the possibility of tire puncture under the conditions of different runways and loadings, thereby increasing the brake efficiency, reducing adverse shock excitation of the undercarriage, enhancing the landing safety of the airplane and reducing the airplane maintenance in ground services.

Description

technical field [0001] The invention relates to a real-time monitoring system, in particular to a system and a monitoring method for real-time monitoring of aircraft tire pressure. Background technique [0002] The actual operation of the aircraft and theoretical research show that: for different loads of the aircraft and different runway conditions, the tires have the most suitable pressure value, otherwise due to the heavy load of the aircraft, the tires may be subject to a large impact during landing and cause a puncture; Secondly, due to the unbalanced tire pressure of the aircraft, the efficiency of landing braking will decrease. Relevant research data show that an excessive reduction in the pressure of one tire relative to the pressure of other tires can lead to a 20% decrease in braking efficiency; It will cause the landing gear to be loaded asymmetrically and induce bad excitation. Therefore, real-time monitoring of tire pressure can greatly improve the landing perf...

Claims

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Application Information

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IPC IPC(8): B60C23/04B64D47/00
Inventor 林辉李兵强齐蓉张谦
Owner NORTHWESTERN POLYTECHNICAL UNIV
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