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Stall warning device with anti-icing function

A functional and anti-icing technology, used in deicing devices, aircraft parts, transportation and packaging, etc., can solve the problems of low thermal efficiency, inability to meet, insufficient thermal capacity of the front wind vane, etc., to achieve high heating efficiency and fast heating speed. , the effect of compact structure

Pending Publication Date: 2022-03-11
TAIYUAN AERO INSTR
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Problems solved by technology

The front bottom of the stall warning device adopts a cylindrical resistance wire heating device, which heats up through heat conduction, resulting in insufficient thermal capacity and low thermal efficiency of the front wind vane, which cannot meet the harsh environment

Method used

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  • Stall warning device with anti-icing function
  • Stall warning device with anti-icing function
  • Stall warning device with anti-icing function

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Embodiment Construction

[0035] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0036] When the airplane is in normal flight, there is a stagnation point on the wing (see figure 2 As shown), the airflow is divided into upper and lower parts and flows through the upper and lower parts of the wing respectively. When the aircraft is close to stall, the state of the fuselage changes, and the position of the stagnation point on the wing will be transferred to the lower part of the wing from (point A to point B) . Utilize the ...

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Abstract

The invention belongs to the field of aviation instruments and meters, and particularly relates to a stall warning device with an anti-icing function. The electric heaters are additionally arranged on the exposed weather vane and the fixing plate, the anti-icing effect of the windward side of the weather vane of the stall warning device is achieved through the two electric heating structures, the two electric heating structures both use the heating pieces as heating elements, and the heating pieces are tightly attached to the wrapping metal shell, so that the rapid heat conduction effect is achieved, the heating speed is high, and the heating efficiency is high.

Description

technical field [0001] The invention belongs to the field of aviation instruments, in particular to a stall warning device with anti-icing function. Background technique [0002] A certain type of stall warning device needs to have anti-icing function, and pass the ice wind tunnel test stipulated in the airworthiness standard of transport aircraft in China Civil Aviation Regulations (Appendix C of CCAR-25): Continuous maximum icing conditions (-10°C, 45min;- 20°C, 22.7min) and intermittent maximum icing conditions (-10°C, 52s; -20°C, 52s), and the continuous maximum icing test time is longer. The front bottom of the stall warning device adopts a cylindrical resistance wire heating device, which heats up through heat conduction, resulting in insufficient thermal capacity and low thermal efficiency of the front wind vane, which cannot meet the harsh environment. Contents of the invention [0003] The purpose of the present invention is to provide a stall warning device with...

Claims

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Application Information

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IPC IPC(8): B64D15/12B64D43/02
CPCB64D43/02B64D15/12
Inventor 冯华方嘉民李欣伟吴慧龙梁争谊
Owner TAIYUAN AERO INSTR
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