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Self-adapting wing hot gas deicing system

An adaptive, airfoil technology, applied in deicing devices, aircraft parts, transportation and packaging, etc., can solve the problem of not being able to directly feedback the real situation of wing surface icing

Inactive Publication Date: 2016-12-07
XIAN AIRCRAFT DESIGN INST OF AVIATION IND OF CHINA
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

The icing detection system is generally installed on both sides of the nose, so it cannot directly feed back the real situation of icing on the airfoil

Method used

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  • Self-adapting wing hot gas deicing system

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Embodiment Construction

[0013] In order to make the objectives, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be described in more detail below in conjunction with the drawings in the embodiments of the present invention. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are some, but not all, embodiments of the invention. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention. Embodiments of the present invention will be described in detail below ...

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Abstract

The invention relates to an adaptive airfoil hot air deicing system, which belongs to the field of airfoil hot air deicing. Including: deicing valve, icing thickness detector and deicing control device. The deicing valve is installed in the area where the wing is prone to icing and is connected with the air intake of the aircraft. The nose is equipped with a deicing control device. One end of the deicing control device The leading wire is connected to the icing thickness detector arranged on the surface of the aircraft prone to icing, and the other end of the leading wire is connected to the deicing valve; the icing thickness information collected by the icing thickness detector is transmitted to the deicing control device, and the deicing control The device gives appropriate commands to control the opening of the deicing valve. By directly obtaining the ice thickness on the leading edge surface of the wing in real time, adaptively adjust the opening of the deicing valve, so that the deicing flow can match the icing situation, which can not only effectively ensure the deicing performance but also save a lot of aircraft engine power. air flow volume.

Description

technical field [0001] The invention belongs to the technical field of wing hot gas deicing, and in particular relates to an adaptive wing hot gas deicing system. Background technique [0002] At present, most transport aircrafts adopt hot gas anti-icing system. The basic principle is that the anti-icing system is activated manually by the pilot or automatically by the aircraft according to the icing warning information given by the aircraft icing detection system. After the anti-icing system is turned on, it always heats the leading edge with a relatively stable flow of hot air to keep the temperature of the leading edge higher than the zero temperature to achieve the purpose of anti-icing. [0003] Because the traditional hot air anti-icing system needs a lot of energy in order to achieve the anti-icing effect that the leading edge does not freeze at all, and the adjustable range of the anti-icing bleed air flow is small. Therefore, during the use of the hot gas anti-icin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B64D15/04B64D15/22
CPCB64D15/04B64D15/22
Inventor 马庆林
Owner XIAN AIRCRAFT DESIGN INST OF AVIATION IND OF CHINA
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