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Freezing detector

An icing detector and icing technology, applied in the field of icing detection, can solve the problems of inapplicability to aircraft icing detection systems, inability to install and arrange, and large size, and achieve the effects of easy installation and layout, light weight and small size

Active Publication Date: 2013-04-17
COMAC +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This kind of device is bulky and heavy, and cannot be installed and arranged on the aircraft, and cannot be applied to the aircraft icing detection system

Method used

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Embodiment Construction

[0083] As required, specific embodiments of the invention will be disclosed herein. However, it should be understood that the embodiments disclosed herein are merely typical examples of the invention, which can be embodied in various forms. Therefore, specific details disclosed herein are not to be considered limiting, but merely as a basis for the claims and as a representative basis for teaching one skilled in the art to variously employ the invention in any appropriate way in practice, This includes taking various features disclosed herein and combining features that may not be expressly disclosed herein.

[0084] The word "ice" in this article should be understood to include all kinds of ice, frost and their mixtures, and the word "icing conditions" in this article should be understood to mean the icing conditions defined in Appendix C of the Airworthiness Regulations, and the icing of supercooled large water droplets condition.

[0085] According to the preferred embodi...

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Abstract

The invention relates to a freezing detector and belongs to the technical field of freezing detection. The freezing detector comprises a freezing component, at least one vision sensor and a controller, the freezing component comprises a freezing rod with an ice accretion surface and a support structure, and the freezing rod is constructed into a streamlined wing structure and extends into air current from the support structure; the vision sensor is arranged to be an image which can acquire the ice accretion surface; and the controller is electrically connected with the vision sensor and comprises an image comparison module for comparing the acquired image with an initial image so as to judge whether the ice accretion surface of the freezing rod is frozen. According to the freezing detector, moving components are absent, and the reliability of image based judgment is high; and simultaneously, by means of the streamlined wing structure of the freezing rod, the ice accretion surface is provided with small pressure coefficients and large water collection coefficients, the freezing rod can faster and earlier freeze, and time for giving freezing warning can be brought forward.

Description

technical field [0001] The invention relates to the field of icing detection, in particular to an icing detection device for detecting icing conditions. Background technique [0002] When the aircraft is flying under icing conditions, icing is very easy to occur on the leading edge of the wing and the leading edge of the nacelle. Icing on the surface of the aircraft will lead to degradation of aircraft handling quality, loss of flight performance and reduction of flight safety margin. [0003] At present, most civil aircraft and transport aircraft are equipped with flight icing detection systems. The icing detection system can detect the aircraft entering icing weather conditions or icing on the surface of the aircraft at an early stage, so as to issue an icing warning message, prompting the pilot to manually activate the anti-icing system, or the icing detection system can directly activate the anti-icing system. Therefore, icing detection is an important measure to ensur...

Claims

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Application Information

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IPC IPC(8): B64D15/20G01B11/24
Inventor 史献林南国鹏李革萍辛旭东
Owner COMAC
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