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Temperature-sensitive luminescent material calibration device based on semiconductor cooler

A technology of luminescent materials and calibration devices, which is applied in the direction of thermometer testing/calibration, measuring devices, instruments, etc., can solve the problems affecting the sensitivity, affecting the uncertainty level of aerodynamic thermal data, etc., to achieve convenient use and maintenance, simple and convenient energy supply, small size effect

Active Publication Date: 2018-07-03
中国空气动力研究与发展中心超高速空气动力研究所
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Problems solved by technology

The uncertainty level of the temperature-sensitive luminescent material calibration device directly affects the uncertainty level of the sensitivity and thus the uncertainty level of the aerothermal data

Method used

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  • Temperature-sensitive luminescent material calibration device based on semiconductor cooler

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Embodiment Construction

[0023] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0024] like figure 1 As shown, a temperature-sensitive luminescent material calibration device based on a semiconductor refrigerator includes a temperature control component, a sealing component, a heat dissipation component and a supporting component. The temperature control part is used for heating or cooling the temperature-sensitive luminescent material, and collecting the temperature value of the temperature-sensitive luminescent material. The sealing part is used for sealing the temperature-sensitive luminescent material and the temperature control part. The heat dissipation member is used to dissipate heat from the inside of the sealing member. The supporting part is used to support the whole device.

[0025] The sealing part includes an exhaust hole 5 , a second sealing ring 6 , a heat insulation opening 7 , a first sealing ring 8 , a glass 9...

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Abstract

The invention belongs to the technical field of large-area heat measurement of an aircraft model wind tunnel, specifically relates to a temperature-sensitive luminescent material calibration device based on a semiconductor cooler, and is to provide the calibration device, which is high in temperature control accuracy, fast in temperature rising and falling rate and small in size, and is used for calibration of light intensity / temperature sensitivity of a temperature-sensitive luminescent material in wind tunnel large-area heat measurement test. The device is characterized in that the device comprises a temperature control component, a seal component, a heat dissipation component and a support component. The temperature control component is used for carrying out heating or cooling on the temperature-sensitive luminescent material and collecting temperature value of the temperature-sensitive luminescent material; the seal component is used for sealing the temperature-sensitive luminescent material and the temperature control component; the heat dissipation component is used for dissipating heat in the seal component; and the support component is used for supporting the whole device.

Description

technical field [0001] The invention belongs to the technical field of large-area heat measurement test in a wind tunnel of an aircraft model, and in particular relates to a temperature-sensitive luminescent material calibration device based on a semiconductor refrigerator. Background technique [0002] The prediction of the aerodynamic thermal environment of the aircraft is very important to the design of the aircraft. In addition to CFD simulation and flight test, the measurement of the aerodynamic thermal environment of the scale model of the aircraft in the wind tunnel is a commonly used method for the prediction of the aerodynamic thermal environment in the world. In the wind tunnel test, the large-area calorimetry test uses temperature-sensitive luminescent materials based on image acquisition technology to measure the temperature distribution of the aircraft model. The temperature-sensitive luminescent material is sprayed on the surface of the test model and irradiated...

Claims

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Application Information

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IPC IPC(8): G01K15/00
CPCG01K15/005
Inventor 贾国鹏周嘉穗张扣立刘祥
Owner 中国空气动力研究与发展中心超高速空气动力研究所
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