Intelligent thermocouple calibration instrument
A technology of thermocouple and calibrator, which is applied in the direction of instruments, scientific instruments, measuring heat, etc., can solve the problems of difficulty in ensuring accuracy and difficulty, and achieve the effect of automatic calibration process
Inactive Publication Date: 2015-03-25
NANJING COLLEGE OF CHEM TECH
View PDF11 Cites 1 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
[0002] Thermocouples are the most commonly used temperature sensors in industrial production. Ensuring the performance of thermocouples is related to safe production and product quality. Now most of the thermocouples are calibrated manually. It is not only difficult to control the temperature of the heat source, but also difficult to ensure the accuracy.
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View moreImage
Smart Image Click on the blue labels to locate them in the text.
Smart ImageViewing Examples
Examples
Experimental program
Comparison scheme
Effect test
Embodiment Construction
[0014] The present invention will be further described in detail below in conjunction with the drawings and specific embodiments.
[0015] refer to figure 1 , the intelligent thermocouple calibrator of the present invention comprises a constant temperature oil tank 1, a standard thermocouple 2, a thermocouple to be calibrated 3, a signal conditioning circuit 4, an A / D converter 5, a single-chip microcomputer system 6, an LCD display 7, buttons 8, and a serial port Output 9, drive circuit 10, bidirectional thyristor 11 and heating wire 12, the working ends of the standard thermocouple 2 and the thermocouple 3 to be calibrated are inserted into the constant temperature oil tank 1 at the same time, the standard thermocouple 2 and the thermocouple 3 to be calibrated The output terminal is connected with the signal conditioning circuit 4, the signal conditioning circuit 4, the A / D converter 5 and the single-chip microcomputer system 6 are connected in series successively, and the d...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More PUM
Login to View More Abstract
The invention discloses an intelligent thermocouple calibration instrument, and belongs to the field of automatic instruments. The intelligent thermocouple calibration instrument is characterized by comprising a constant temperature oil tank, a standard thermocouple, a calibrated thermocouple, a signal conditioning circuit, an A / D converter, a single-chip microcomputer system, an LCD, a key, serial port output, a driving circuit, double-direction controllable silicon and a heating wire, wherein the work ends of the standard thermocouple and the calibrated thermocouple are inserted into the constant temperature oil tank simultaneously, the output ends of the standard thermocouple and the calibrated thermocouple are connected with the signal conditioning circuit, the signal conditioning circuit, the A / D converter and the single-chip microcomputer system are sequentially connected in series, the LCD, the key, the serial port output and the driving circuit are connected with the single-chip microcomputer system, the driving circuit is connected with the double-direction controllable silicon, and the double-direction controllable silicon is connected with the heating wire. The intelligent thermocouple calibration instrument can be both manually and automatically operated.
Description
technical field [0001] The invention relates to a thermocouple calibration instrument, in particular to an intelligent thermocouple calibration instrument. Background technique [0002] Thermocouples are the most commonly used temperature sensors in industrial production. Ensuring the performance of thermocouples is related to safe production and product quality. Now most of the calibration of thermocouples is done manually. It is not only difficult to control the temperature of the heat source, but also difficult to guarantee the accuracy. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide an instrument for automatically calibrating thermocouples. [0004] To achieve the above object, the present invention is achieved through the following technical solutions: [0005] The intelligent thermocouple calibrator is characterized in that it includes a constant temperature oil tank, a standard thermocouple, a thermocoup...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More Application Information
Patent Timeline
Login to View More Patent Type & Authority Applications(China)
IPC IPC(8): G01K15/00
Inventor 赵红霞
Owner NANJING COLLEGE OF CHEM TECH