Ultrahigh-temperature temperature sensor calibration system
A technology of temperature sensor and calibration system, which is applied in radiation pyrometry, thermometer, thermometer testing/calibration, etc., can solve the problems of lack of high precision, achieve accurate temperature, low energy consumption, and simple and easy adjustment method
Pending Publication Date: 2020-07-10
TAIYUAN INST OF TECH
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Problems solved by technology
However, for ultra-high temperature calibration over 1600°C, there is no high-precision, large-range solution for the time being, both at home and abroad.
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[0020] 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 making creative efforts belong to the protection scope of the present invention.
[0021] Such as figure 1 As shown, an ultra-high temperature temperature sensor calibration system, the working temperature is 20 ° C ~ 2800 ° C, the calibration system includes: sealed chamber 1, environmental control unit 2, graphite soaking block 3, heat source unit 4, temperature measurement unit 5 and the main control unit 6, the sealed cavity 1 is provided with a laser transmissive lens 11 for allowing the external laser to enter, the graphite soaking blo...
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The invention discloses an ultrahigh-temperature temperature sensor calibration system. The working temperature is 20-2800 DEG C. The calibration system is characterized by comprising a sealed cavity,an environment control unit, a graphite soaking block, a heat source unit, a temperature measuring unit and a main control unit. A laser transmission lens for allowing external laser to enter is arranged on the sealed cavity; the graphite soaking block and the temperature measuring unit are arranged in the sealed cavity; the graphite soaking block is arranged in the irradiation range of the lasertransmission lens; the temperature measuring unit is used for detecting the graphite soaking block, the heat source unit is arranged outside the sealed cavity, the heat source unit heats the graphitesoaking block in the sealed cavity by emitting laser to penetrate through the laser transmission lens, and the environment control unit, the heat source unit and the temperature measuring unit are all electrically connected with the main control unit.
Description
technical field [0001] The invention belongs to the technical field of temperature sensor testing and measurement, and in particular relates to an ultra-high temperature temperature sensor calibration system. Background technique [0002] Faster flight speed, higher strike accuracy, greater damage power, and stronger comprehensive performance are the eternal goals of weapon development. In the process of pursuing these goals, it is inevitable to encounter some new problems that have not been encountered before or some problems that can be avoided in the initial research. [0003] The technical problem of temperature parameter testing in ultra-high temperature environment is a typical representative. For example, parameters such as temperature in various engine test tests are parameters that need to be obtained in real time, and the closer to the original position, the better. However, the temperature of the engine combustion chamber exceeds 1600°C, and there are harsh envir...
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IPC IPC(8): G01K15/00G01J5/00
CPCG01K15/005G01J5/00G01J5/80
Inventor 梁海坚王高黄刚郑来芳
Owner TAIYUAN INST OF TECH