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Three-dimensional ice shape online measuring device and method for icing wind tunnel test

A technology of wind tunnel test and measuring device, which is applied in the direction of measuring device, optical device, aerodynamic test, etc. It can solve the problem that the ice shape of icing cannot be measured online, so as to reduce the measurement preparation time, improve safety, and avoid space The effect of restriction

Inactive Publication Date: 2020-07-31
LOW SPEED AERODYNAMIC INST OF CHINESE AERODYNAMIC RES & DEV CENT
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Problems solved by technology

[0004] The invention provides a three-dimensional ice shape online measurement device and method for icing wind tunnel tests, aiming to solve the problem that the icing ice shape cannot be measured online during the icing wind tunnel test

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  • Three-dimensional ice shape online measuring device and method for icing wind tunnel test

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Embodiment Construction

[0034] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of 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.

[0035] Such as figure 1 As shown, the present embodiment provides a three-dimensional ice shape online measurement device for icing wind tunnel test, including camera 1, line laser 2, dielectric film mirror 3, optical frame 4, pole 5, rotating table 6, base Seat 7.

[0036] Wherein, the camera 1 is installed and fixed on the base 7 for collecting images; the line laser 2 is installed and fixed on the base 7 through the pole 5 for generating laser sheet light; the ...

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Abstract

The invention discloses a three-dimensional ice shape online measuring device and method for an icing wind tunnel test, and belongs to the technical field of icing wind tunnel test measurement. The measuring device is composed of a camera, a line laser, a dielectric film reflector, an optical mirror bracket, a supporting rod, a rotating table and a base. The camera is fixedly installed on the baseand used for collecting images. The line laser is fixedly installed on the base through a supporting rod and used for generating laser sheet light. The dielectric film reflector is mounted and fixedin the center of the rotary table through the optical mirror bracket and is used for reflecting laser sheet light generated by the line laser; the rotating table is fixedly installed on the base and used for rotating the dielectric film reflector. After off-line calibration is carried out on the measuring device, the measuring device can be integrally and directly installed and fixed outside an icing wind tunnel observation window for application, icing three-dimensional ice shape on-line measurement in the icing wind tunnel test process can be effectively achieved, and the measuring device has the advantages of being convenient to install, easy to operate, non-contact, good in safety and the like.

Description

technical field [0001] The invention relates to the technical field of icing wind tunnel test measurement, in particular to a three-dimensional ice shape online measurement device and method for icing wind tunnel test. Background technique [0002] Aircraft icing widely exists in flight practice and is one of the main hidden dangers leading to flight safety accidents. Icing may occur in different parts of the aircraft, such as wings, tail, control surfaces, engine intakes, cockpit windshield, temperature / speed / pressure sensor probes, etc. Once the aircraft freezes, its optimal aerodynamic shape will be destroyed, and the flow field and aerodynamic force on the surface of the aircraft will also change accordingly. The aerodynamic performance of the aircraft will deteriorate sharply, and flight safety will be seriously threatened. So far, there have been many flight accidents caused by icing at home and abroad, and serious icing has even caused major safety accidents such as ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M9/06G01B11/25
CPCG01B11/25G01B11/2504G01M9/06
Inventor 左承林马军魏春华易贤郭龙梁磊熊建军冉林
Owner LOW SPEED AERODYNAMIC INST OF CHINESE AERODYNAMIC RES & DEV CENT
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