CN104458060A - Intelligent thermocouple calibration instrument - Google Patents
Intelligent thermocouple calibration instrument Download PDFInfo
- Publication number
- CN104458060A CN104458060A CN201410762993.6A CN201410762993A CN104458060A CN 104458060 A CN104458060 A CN 104458060A CN 201410762993 A CN201410762993 A CN 201410762993A CN 104458060 A CN104458060 A CN 104458060A
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- CN
- China
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- thermocouple
- signal conditioning
- driving circuit
- chip microcomputer
- conditioning circuit
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- Measuring Temperature Or Quantity Of Heat (AREA)
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
The present invention relates to a kind of thermopair check meter, particularly intelligent thermocouple tester.
Background technology
Thermopair is temperature sensor the most frequently used in commercial production, guarantees that the property relationship of thermopair is to safety in production and product quality, mostly adopts manual operation to the verification of thermopair now, and control of heat source temperature not only difficulty is greatly also difficult to ensure precision.
Summary of the invention
The technical problem to be solved in the present invention is the instrument providing a kind of automatic Verification thermopair.
For achieving the above object, the present invention is realized by following technical scheme:
Intelligent thermocouple tester, it is characterized in that, comprise thermostatic oil bath, standard couple, by school thermopair, signal conditioning circuit, A/D converter, Single Chip Microcomputer (SCM) system, LCD shows, button, serial ports exports, driving circuit, bidirectional triode thyristor and heater strip, described standard hot even summation is inserted in thermostatic oil bath by the working end of school thermopair simultaneously, standard hot even summation is connected with signal conditioning circuit by the output terminal of school thermopair, described signal conditioning circuit, A/D converter and Single Chip Microcomputer (SCM) system are sequentially connected in series, described LCD display, button, serial ports exports, driving circuit is connected with Single Chip Microcomputer (SCM) system respectively, described driving circuit is connected with bidirectional triode thyristor, bidirectional triode thyristor is connected with heater strip.
Further, the model of described signal conditioning circuit is TLC4502.
Further, the model of described A/D converter is ADC0809.
Further, the model of described driving circuit is MOC3061.
Further, LCD display 7 is shuangping san.
The invention has the beneficial effects as follows, providing one can manually also can thermopair tester automatically, and checking procedure robotization also can automatic printing verification report.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Implication is marked as follows in accompanying drawing:
1, thermostatic oil bath 2, standard couple 3, by school thermopair 4, signal conditioning circuit 5, A/D converter 6, Single Chip Microcomputer (SCM) system 7, LCD display 8, button 9, serial ports export 10, driving circuit 11, bidirectional triode thyristor 12, heater strip.
Embodiment
Below in conjunction with diagram and specific embodiment, the present invention is described in further detail.
With reference to Fig. 1, intelligent thermocouple tester of the present invention, comprise thermostatic oil bath 1, standard couple 2, by school thermopair 3, signal conditioning circuit 4, A/D converter 5, Single Chip Microcomputer (SCM) system 6, LCD display 7, button 8, serial ports exports 9, driving circuit 10, bidirectional triode thyristor 11 and heater strip 12, described standard couple 2 and simultaneously inserted in thermostatic oil bath 1 by the working end of school thermopair 3, standard couple 2 is connected with signal conditioning circuit 4 with by the output terminal of school thermopair 3, described signal conditioning circuit 4, A/D converter 5 and Single Chip Microcomputer (SCM) system 6 are sequentially connected in series, described LCD display 7, button 8, serial ports exports 9, driving circuit 10 is connected with Single Chip Microcomputer (SCM) system 6 respectively, described driving circuit 10 is connected with bidirectional triode thyristor 11, bidirectional triode thyristor 11 is connected with heater strip 12.
Further, the model of described signal conditioning circuit 4 is TLC4502.
Further, the model of described A/D converter 5 is ADC0809.
Further, the model of described driving circuit 10 is MOC3061.
Further, LCD display 7 is shuangping san.
The course of work of the present invention: by standard couple 2 with inserted in thermostatic oil bath 1 by school thermopair 3, its thermoelectrical potential exported is through the amplification of signal conditioning circuit 4 and linearization, be converted to digital signal by A/D converter 5 again to deliver to Single Chip Microcomputer (SCM) system 6 and carry out analytical calculation, the upper screen display that the temperature that standard couple 2 is measured shows 7 by LCD is shown, shown by the lower screen display that the temperature gap of school thermopair 3 shows 7 by LCD, the two difference is by the error of school thermopair 3, checkpoint controls driving circuit 10 by Single Chip Microcomputer (SCM) system 6 according to arranging of button 8, bidirectional triode thyristor 11 is controlled to regulate the magnitude of voltage of heater strip 12 again by driving circuit 10, and then the temperature of regulating thermostatic oil groove 1, checkpoint can manually be arranged by button 8, the thermopair model that also can be inputted according to button 8 by Single Chip Microcomputer (SCM) system 6, temperature range calculates automatically, the analytical calculation of checking data is automatically completed by the present invention and stores, the printer that also can export 9 connections by serial ports will verify reporting printing.
Claims (3)
1. intelligent thermocouple tester, is characterized in that: comprise thermostatic oil bath (1), standard couple (2), by school thermopair (3), signal conditioning circuit (4), A/D converter (5), Single Chip Microcomputer (SCM) system (6), LCD shows (7), button (8), serial ports exports (9), driving circuit (10), bidirectional triode thyristor (11) and heater strip (12), described standard couple (2) and simultaneously inserted in thermostatic oil bath (1) by the working end of school thermopair (3), described standard couple (2) is connected with signal conditioning circuit (4) with by the output terminal of school thermopair (3), described signal conditioning circuit (4), A/D converter (5) and Single Chip Microcomputer (SCM) system (6) are sequentially connected in series, described LCD display (7), button (8), serial ports exports (9), driving circuit (10) is connected with Single Chip Microcomputer (SCM) system (6) respectively, and described driving circuit (10) is connected with bidirectional triode thyristor (11), and bidirectional triode thyristor (11) is connected with heater strip (12).
2. intelligent thermocouple tester according to claim 1, is characterized in that: the model of described signal conditioning circuit (4) is TLC4502.
3. intelligent thermocouple tester according to claim 1, is characterized in that: the model of described driving circuit (10) is MOC3061.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410762993.6A CN104458060A (en) | 2014-12-15 | 2014-12-15 | Intelligent thermocouple calibration instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410762993.6A CN104458060A (en) | 2014-12-15 | 2014-12-15 | Intelligent thermocouple calibration instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104458060A true CN104458060A (en) | 2015-03-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410762993.6A Pending CN104458060A (en) | 2014-12-15 | 2014-12-15 | Intelligent thermocouple calibration instrument |
Country Status (1)
| Country | Link |
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| CN (1) | CN104458060A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106197756A (en) * | 2015-05-28 | 2016-12-07 | 北京卫星环境工程研究所 | Spacecraft thermal test hot thermocouple response test instrument |
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| US4901257A (en) * | 1987-06-12 | 1990-02-13 | King Nutronics Corporation | Temperature calibration system |
| CN1773237A (en) * | 2004-11-08 | 2006-05-17 | 重庆力帆实业（集团）有限公司 | Special comprehensive detecting equipment |
| US20080013591A1 (en) * | 2006-07-13 | 2008-01-17 | Korea Research Institute Of Standards And Science | Multi-fixed-point cells and temperature calibration system using it |
| CN101750171A (en) * | 2009-12-29 | 2010-06-23 | 重庆大学 | Thermocouple verification system |
| CN202110226U (en) * | 2011-05-13 | 2012-01-11 | 衢州职业技术学院 | Inspection tour instrument of temperature rise test of power transmission and transformation equipment |
| CN103134618A (en) * | 2011-12-04 | 2013-06-05 | 飞秒光电科技(西安)有限公司 | Heating system for thermocouple verification furnace |
| CN103234662A (en) * | 2013-05-03 | 2013-08-07 | 大连测控技术研究所 | Compensation method for automatic temperature detection and automatic temperature detection system |
| CN103364110A (en) * | 2012-03-31 | 2013-10-23 | 绥化电业局 | Method for comprehensively calibrating high-voltage transformer body and remote temperature measurement used thermometer |
| CN203365021U (en) * | 2013-03-18 | 2013-12-25 | 中国兵器工业集团第五三研究所 | Portable temperature calibrator |
| CN203773345U (en) * | 2013-12-18 | 2014-08-13 | 江苏杰创科技有限公司 | Automatic verification apparatus of transformer temperature measurement-control instrument |
| CN204269258U (en) * | 2014-12-15 | 2015-04-15 | 南京化工职业技术学院 | Intelligent thermocouple tester |
-
2014
- 2014-12-15 CN CN201410762993.6A patent/CN104458060A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4901257A (en) * | 1987-06-12 | 1990-02-13 | King Nutronics Corporation | Temperature calibration system |
| CN1773237A (en) * | 2004-11-08 | 2006-05-17 | 重庆力帆实业（集团）有限公司 | Special comprehensive detecting equipment |
| US20080013591A1 (en) * | 2006-07-13 | 2008-01-17 | Korea Research Institute Of Standards And Science | Multi-fixed-point cells and temperature calibration system using it |
| CN101750171A (en) * | 2009-12-29 | 2010-06-23 | 重庆大学 | Thermocouple verification system |
| CN202110226U (en) * | 2011-05-13 | 2012-01-11 | 衢州职业技术学院 | Inspection tour instrument of temperature rise test of power transmission and transformation equipment |
| CN103134618A (en) * | 2011-12-04 | 2013-06-05 | 飞秒光电科技(西安)有限公司 | Heating system for thermocouple verification furnace |
| CN103364110A (en) * | 2012-03-31 | 2013-10-23 | 绥化电业局 | Method for comprehensively calibrating high-voltage transformer body and remote temperature measurement used thermometer |
| CN203365021U (en) * | 2013-03-18 | 2013-12-25 | 中国兵器工业集团第五三研究所 | Portable temperature calibrator |
| CN103234662A (en) * | 2013-05-03 | 2013-08-07 | 大连测控技术研究所 | Compensation method for automatic temperature detection and automatic temperature detection system |
| CN203773345U (en) * | 2013-12-18 | 2014-08-13 | 江苏杰创科技有限公司 | Automatic verification apparatus of transformer temperature measurement-control instrument |
| CN204269258U (en) * | 2014-12-15 | 2015-04-15 | 南京化工职业技术学院 | Intelligent thermocouple tester |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106197756A (en) * | 2015-05-28 | 2016-12-07 | 北京卫星环境工程研究所 | Spacecraft thermal test hot thermocouple response test instrument |
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| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150325 |