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K-type armored thermocouple response time measuring method based on heat pipe method

An armored thermocouple and response time technology, which is used in measurement devices, heat measurement, thermometer testing/calibration, etc., can solve the problems of complex and changeable packaging forms, difficult response time, etc., to achieve a rich temperature variation range and clear collection intervals , the effect of improving data accuracy

Inactive Publication Date: 2020-04-14
BEIHANG UNIV
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AI Technical Summary

Problems solved by technology

[0007] With the wide application of temperature sensors in different fields, their packaging forms are complex and changeable, and it is more difficult to obtain accurate response time using traditional methods

Method used

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  • K-type armored thermocouple response time measuring method based on heat pipe method
  • K-type armored thermocouple response time measuring method based on heat pipe method
  • K-type armored thermocouple response time measuring method based on heat pipe method

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Embodiment Construction

[0072] The measurement method described in the present invention is tested with a K-type armored thermocouple as an example. Combined with specific actual cases, a method for measuring the response time of a K-type armored thermocouple based on the heat pipe method described in the present invention will be described in detail.

[0073] The present invention proposes a K-type armored thermocouple response time measurement method based on the heat pipe method, and its flow chart is as follows figure 1 As shown, the specific implementation steps are as follows:

[0074] Step 1: Select the device to be tested as a K-type armored thermocouple, and determine that the temperature in zone 1 of the heat pipe constant temperature bath is 100°C, the temperature in zone 2 is 200°C, and the temperature gradient is 100°C; the selected equipment is shown in Table 1;

[0075] Table 1 Equipment selection table

[0076]

[0077]

[0078] Step 2: Turn on the HRZ-400 heat pipe constant t...

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Abstract

The invention provides a K-type sheathed thermocouple response time measurement method based on a heat pipe method, and the method comprises the following steps: 1, selecting a to-be-measured K-type sheathed thermocouple, and determining a needed temperature gradient; 2, connecting a to-be-tested device, a data acquisition instrument and a computer system, and opening a heat pipe thermostatic bathfor preheating; 3, recording initial temperature T1; 4, measuring forward temperature gradient response time and recording data; 5, measuring reverse temperature gradient response time; and 6, performing data fitting and packaging influence analysis. Through the steps, the response time of the K-type sheathed thermocouple can be measured and calculated by utilizing a heat pipe method and data processing and analysis; an accurate method for measuring the response time is provided, and accurate thermal performance parameters of the K-type sheathed thermocouple are provided for a device user.

Description

[0001] (1) Technical field: [0002] The invention provides a method for measuring the response time of a K-type armored thermocouple based on a heat pipe method, and relates to a method for measuring the response time of electronic components. It mainly aims at the use requirement of accurate response time when the device is used, and designs a method and data processing method for the response time measurement of the device, which belongs to the field of performance parameter measurement of electronic components. [0003] (2) Background technology [0004] Today, with the rapid development of component technology, a large number of new sensors are widely used in aerospace and other systems, undertaking fine measurement tasks. High-performance sensors are the primary link to accurately obtain dynamic information, and obtaining information often has strict requirements on the timeliness of sensors. Response time is defined as the time it takes for the sensor to respond to exte...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01K15/00
CPCG01K15/007
Inventor 高成雷鑫黄姣英傅成城
Owner BEIHANG UNIV
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