an ice detector

Abstract

The invention discloses an icing detector and belongs to the technical field of airplane icing detection. The icing detector comprises an icing detecting bar body, a first circuit and a second circuit; the first circuit and the second circuit are both provided with heating members; the icing detecting bar body is provided with a first through hole and a second through hole; the first circuit is used for heating the first through hole of the icing detecting bar body and the second circuit is used for heating the second through hole of the icing detecting bar body; a first switch of the first circuit is turned on when a wheel load is in the air state and is turned off when the wheel load is on the ground state; the second circuit is provided with a second switch, a third switch and the first switch which are in series connection; the second switch is turned on when there is no airflow passing through the second through hole and turned off if there is airflow passing through the second through hole; the third switch is turned off when there is no airflow passing through the first through hole and turned on if there is airflow passing through the first through hole; the axial direction of the first through hole and the second through hole is identical to that of the airplane airflow direction during flight.

Description

technical field [0001] The invention belongs to the technical field of aircraft icing detection, and in particular relates to an icing detector. Background technique [0002] Aircraft icing refers to the phenomenon that some parts of the surface of the aircraft body accumulate ice. It is mainly formed by the condensation of supercooled water droplets in the cloud or supercooled rain in the rainfall after hitting the aircraft body. It can also be formed by the direct sublimation of water vapor on the body surface. made. [0003] In the prior art, the icing detection rod installed on the aircraft has an intuitive icing indication function, but because it does not have a heating function, after the aircraft flies out of the icing area, if the ambient temperature is still lower than the freezing point, it will give the pilot Misleading to believe that the aircraft was still in icing weather conditions. Contents of the invention [0004] In order to solve the above problems, ...

AI Technical Summary

Problems solved by technology

[0003] In the prior art, the icing detection rod installed on the aircraft has an intuitive icing indication function, but because it does not have a heating function, after the aircraft flies out of the icing area, if the ambient temperature is still lower than the freezing point, it will give the pilot Misleading to believe that the aircraft is still in icing weather conditions

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