Dynamic heat flow sensor integrating thermoelectric potential effect

A dynamic heat flow and sensor technology, which is applied to calorimeters, thermometers and instruments using electrical/magnetic components directly sensitive to heat, etc., can solve the problems of high processing cost, wide application, complex structure of dynamic heat flow sensors, etc. Achieve the effect of low cost, easy quality control, and improved thermal response speed

Pending Publication Date: 2019-10-29
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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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

These dynamic heat flow sensors are complicated in structure and h

Method used

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  • Dynamic heat flow sensor integrating thermoelectric potential effect
  • Dynamic heat flow sensor integrating thermoelectric potential effect
  • Dynamic heat flow sensor integrating thermoelectric potential effect

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Embodiment Construction

[0027] The present invention will be further described in detail below in conjunction with the accompanying drawings, so that those skilled in the art can implement it with reference to the description.

[0028] It should be understood that terms such as "having", "comprising" and "including" as used herein do not entail the presence or addition of one or more other elements or combinations thereof.

[0029] Such as Figure 1-4 A dynamic heat flow sensor with heat collection potential effect is shown, including:

[0030] The T-shaped packaging shell 1 is provided with a cavity I11 inside, and the outer wall of the smaller end of the T-shaped packaging shell 1 is provided with a thread I13;

[0031] The phlogopite heat insulation ring 3 is fixedly connected to the receiving cavity I11 at the larger end of the T-shaped package shell through a high-temperature epoxy resin adhesive 4, and the phlogopite heat insulation ring 3 is a hollow circular phlogopite heat insulation ring. ...

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Abstract

The invention discloses a dynamic heat flow sensor integrating thermoelectric potential effect, which comprises a T-shaped encapsulation outer shell, a nichrome heat transmission body, a corundum tube, an end-exposed single core nickel-silicon alloy wire, and a sterling silver plunger; a T-shaped tail heat sink body is connected on the T-shaped encapsulation outer shell; a containing through cavity is arranged in each of the T-shaped encapsulation outer shell and the T-shaped tail heat sink body; the nichrome heat transmission body is located in the containing through cavity; one end of the nichrome heat transmission body is connected with a phlogopite insulation sleeve; a containing through hole is arranged in the nichrome heat transmission body; the corundum tube is fixed in the containing through hole; the end-exposed single core nickel-silicon alloy wire is fixed in the corundum tube; the end face of the end-exposed single core nickel-silicon alloy wire is leveled with the front end face of the nichrome heat transmission body; and, the sterling silver plunger is located at the outlet position of the containing through hole and connected with the head of the end-exposed single core nickel-silicon alloy wire. The dynamic heat flow sensor integrating thermoelectric potential effect is simple in processing and assembling technology, low in production cost and easy in quality control, and is advantaged in improving the thermal response speed of the sensor and the test precision and prolonging the effective test time.

Description

technical field [0001] The invention belongs to the field of hypersonic vehicle ground heat protection test technology and flight test, and in particular relates to a dynamic heat flow sensor for heat collection potential effect. Background technique [0002] When a hypersonic vehicle flies in the atmosphere, it interacts with the surrounding air to form a high-temperature boundary layer on the surface of the vehicle, which imposes a huge aerodynamic thermal load on the structure and materials of the vehicle, seriously affecting the structural safety and life of the vehicle. In order to effectively screen, evaluate and identify aircraft heat-resistant materials and structural heat-resistant characteristics, arc wind tunnels and arc heaters are often used as important ground simulation test platforms for aerodynamic heat and thermal protection. According to the requirements of orbital simulation, it is often necessary to simulate the dynamic changes of heat flow Aerodynamic h...

Claims

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Application Information

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IPC IPC(8): G01K7/06G01K1/08G01K1/16G01K17/08
CPCG01K7/06G01K1/08G01K1/16G01K17/08
Inventor 王辉朱新新朱涛杨凯
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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