Device for calibrating temperature field of verification furnace automatically using standard thermocouples

An automatic calibration, thermocouple technology, applied in the direction of thermometers and thermometers using electrical devices, electrical/magnetic components directly sensitive to heat, etc., can solve the problems of slow test speed and cumbersome operation.

Pending Publication Date: 2017-11-03
北京中航瑞科科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The test process is completely manual, the

Method used

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  • Device for calibrating temperature field of verification furnace automatically using standard thermocouples
  • Device for calibrating temperature field of verification furnace automatically using standard thermocouples
  • Device for calibrating temperature field of verification furnace automatically using standard thermocouples

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Embodiment Construction

[0033] The principles and features of the present invention are described below in conjunction with the accompanying drawings, and the examples given are only used to explain the present invention, and are not intended to limit the scope of the present invention.

[0034] Such as Figure 1 to Figure 8 As shown in the figure, a device for automatically calibrating the temperature field of a verification furnace by using a standard thermocouple includes a base 1. The base 1 has a rectangular parallelepiped structure as a whole and is hollow in design. A controller composed of electronic control components is installed inside. There are holes on the body to install the touch screen and the master switch, wherein the master switch includes a power switch and an emergency stop switch. Four leveling feet 2 and leveling blisters are installed on the bottom plate of the base 1 , and the nuts of the feet 2 can be adjusted to adjust the level of the base 1 .

[0035] The top of the bas...

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Abstract

The invention relates to a device for calibrating the temperature field of a verification furnace automatically using standard thermocouples. The device includes a base, a fixing mechanism used for fixing standard thermocouples, a linear mechanism capable of fixing and driving a mobile thermocouple arranged in parallel with a standard thermocouple to move along the length direction of the standard thermocouple, a rotary mechanism capable of fixing and driving a rotary thermocouple arranged in parallel with a standard thermocouple to rotate about the standard thermocouple with the axis of the standard thermocouple as the center, and a controller. During use, a stepper motor is controlled through a main switch and a command button or software on a touch screen, the linear mechanism and the rotary mechanism are driven to move, and the standard thermocouple for linear motion and the standard thermocouple for rotation are driven to move. The thermal electromotive force measured is transmitted to the controller, the temperature at a measuring point in a furnace is calculated, and the temperature and the temperature field are displayed on the touch screen until the end of test, calibration or verification.

Description

technical field [0001] The invention relates to the technical field of temperature measurement, in particular to a device for automatically calibrating the temperature field of a verification furnace by using a standard thermocouple. Background technique [0002] In the prior art, when testing / calibrating / verifying thermocouples to verify the temperature field in the furnace, the temperature field in the furnace is manually tested, and two thermocouples are used to test the axial temperature field and the radial temperature field respectively. The specific test method is as follows: [0003] Such as Figure 9 and Figure 10 Shown, the axial temperature field test. At the test temperature point, after the furnace temperature stability meets the specified requirements, measure the thermal electromotive force difference ΔE of the two thermocouples (moving thermocouple 18 and fixed thermocouple 19) at each point from -5 to +5 (t)i The thermal electromotive force difference ΔE...

Claims

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Application Information

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IPC IPC(8): G01K7/02
CPCG01K7/02
Inventor 许仕臣朱育幸刘珈芈何春来邓鹏波朱家文
Owner 北京中航瑞科科技有限公司
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