CN104359577A - Thermocouple temperature inspecting instrument - Google Patents
Thermocouple temperature inspecting instrument Download PDFInfo
- Publication number
- CN104359577A CN104359577A CN201410746382.2A CN201410746382A CN104359577A CN 104359577 A CN104359577 A CN 104359577A CN 201410746382 A CN201410746382 A CN 201410746382A CN 104359577 A CN104359577 A CN 104359577A
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- thermocouple
- analog switch
- converter
- amplifying circuit
- multiway analog
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- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
The invention discloses a thermocouple temperature inspecting instrument. The thermocouple temperature inspecting instrument is characterized by comprising a thermocouple temperature sensor, a multipath analog switch, an amplifying circuit, an A/D (analog to digital) converter, a single chip microcomputer system, an LCD (liquid crystal display), a button, a serial port output and an alarm, wherein the thermocouple sensor is connected with the multipath analog switch; the amplifying circuit is respectively connected with the multipath analog switch and the A/D converter; and the A/D converter, the LCD, the button, the serial port output, the alarm and the multipath analog switch are respectively connected with the single chip microcomputer system. The invention provides a temperature display instrument capable of displaying multipath different thermocouple temperature signals.
Description
Technical field
The present invention relates to a kind of temperature display meter, particularly a kind of electric thermo-couple temperature logging.
Background technology
Thermocouple temperature measurement application is very general, but wide in variety due to thermopair, and the instrument of displays temperature needs corresponding with the model of thermopair, this can only show the temperature that records of thermopair of correspondence with it with regard to causing Displaying Meter, and can only show a road temperature signal.
Summary of the invention
The technical problem to be solved in the present invention is that providing a kind of can show multichannel and the temperature display meter of different Thermocouple Temperature Signal.
For achieving the above object, the present invention is realized by following technical scheme:
A kind of electric thermo-couple temperature logging, it is characterized in that, comprise thermocouple sensor, multiway analog switch, amplifying circuit, A/D converter, Single Chip Microcomputer (SCM) system, LCD display, button, serial ports output and alarm, described thermocouple sensor is connected with multiway analog switch, described amplifying circuit is connected with multiway analog switch and A/D converter respectively, and described A/D converter, LCD display, button, serial ports output, alarm are connected with Single Chip Microcomputer (SCM) system respectively with multiway analog switch.
Further, described thermocouple sensor, comprises 1-8 thermopair, and thermopair can be platinum rhodium 10-platinum thermocouple, nickel chromium-nickel silicon thermocouple, nickel chromium triangle-CopperNickel thermocouple.
Further, the model of described multiway analog switch is CD4051.
Further, the model of described amplifying circuit is INA114.
Further, the model of described A/D converter is PCF8591.
Further, the model of described LCD display is LCD1602.
Principle of work of the present invention: thermocouple temperature sensor Zhong Ge road thermocouple signal is accessed amplifying circuit by multiway analog switch in turn, the 1-5V DC voltage of outputting standard after amplifying circuit amplifies, be converted to digital signal by A/D converter again and deliver to Single Chip Microcomputer (SCM) system, Single Chip Microcomputer (SCM) system drives the temperature value of LCD display instruction respective channels, button is used for operation setting, as arranged type, the Temperature displaying scope and warning bound etc. of each path thermocouple, when temperature beyond limit, alarm sends alerting signal, and serial ports exports and is used for and the communicating of computing machine.
The invention has the beneficial effects as follows, provide a kind of temperature display meter that simultaneously can show multiple thermocouple temperature measurement.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Implication is marked as follows in accompanying drawing:
1, thermocouple sensor 2, multiway analog switch 3, amplifying circuit 4, A/D converter 5, Single Chip Microcomputer (SCM) system 6, LCD display 7, button 8, serial ports output 9, alarm.
Embodiment
Below in conjunction with diagram and specific embodiment, the present invention is described in further detail.
With reference to Fig. 1, a kind of electric thermo-couple temperature logging of the present invention, comprise thermocouple sensor 1, multiway analog switch 2, amplifying circuit 3, A/D converter 4, Single Chip Microcomputer (SCM) system 5, LCD display 6, button 7, serial ports output 8 and alarm 9, described thermocouple sensor 1 is connected with multiway analog switch 2, described amplifying circuit 3 is connected with multiway analog switch 2 and A/D converter 4 respectively, and described A/D converter 4, LCD display 6, button 7, serial ports output 8, alarm 9 are connected with Single Chip Microcomputer (SCM) system 5 respectively with multiway analog switch 2.
Further, described thermocouple sensor 1, comprises 1-8 thermopair, and thermopair can be platinum rhodium 10-platinum thermocouple, nickel chromium-nickel silicon thermocouple, nickel chromium triangle-CopperNickel thermocouple.
Further, the model of described multiway analog switch 2 is CD4051.
Further, the model of described amplifying circuit 3 is INA114.
Further, the model of described A/D converter 4 is PCF8591.
Further, the model of described LCD display 6 is LCD1602.
Principle of work of the present invention: thermocouple temperature sensor 1 Zhong Ge road thermocouple signal is accessed amplifying circuit 3 by multiway analog switch 2 in turn, the 1-5V DC voltage of outputting standard after amplifying circuit 3 amplifies, be converted to digital signal by A/D converter 4 again and deliver to Single Chip Microcomputer (SCM) system 5, Single Chip Microcomputer (SCM) system 5 drives LCD to show the temperature value of 6 instruction respective channels, button 7 is for operation setting, as arranged the type of each path thermocouple, Temperature displaying scope and warning bound etc., when temperature beyond limit, alarm 9 sends alerting signal, serial ports export 8 for the communicating of computing machine.
Claims (4)
1. an electric thermo-couple temperature logging, it is characterized in that: comprise thermocouple sensor (1), multiway analog switch (2), amplifying circuit (3), A/D converter (4), Single Chip Microcomputer (SCM) system (5), LCD shows (6), button (7), serial ports exports (8) and alarm (9), described thermocouple sensor (1) is connected with multiway analog switch (2), described amplifying circuit (3) is connected with multiway analog switch (2) and A/D converter (4) respectively, described A/D converter (4), LCD shows (6), button (7), serial ports exports (8), alarm (9) is connected with Single Chip Microcomputer (SCM) system (5) respectively with multiway analog switch (2).
2. a kind of electric thermo-couple temperature logging according to claim 1, is characterized in that: described thermocouple sensor (1), comprises 1-8 thermopair, and thermopair can be platinum rhodium 10-platinum thermocouple, nickel chromium-nickel silicon thermocouple, nickel chromium triangle-CopperNickel thermocouple.
3. a kind of electric thermo-couple temperature logging according to claim 1, is characterized in that: the model of described multiway analog switch (2) is CD4051.
4. a kind of electric thermo-couple temperature logging according to claim 1, is characterized in that: the model of described amplifying circuit (3) is LM358.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410746382.2A CN104359577A (en) | 2014-12-09 | 2014-12-09 | Thermocouple temperature inspecting instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410746382.2A CN104359577A (en) | 2014-12-09 | 2014-12-09 | Thermocouple temperature inspecting instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104359577A true CN104359577A (en) | 2015-02-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410746382.2A Pending CN104359577A (en) | 2014-12-09 | 2014-12-09 | Thermocouple temperature inspecting instrument |
Country Status (1)
| Country | Link |
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| CN (1) | CN104359577A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106840424A (en) * | 2017-02-10 | 2017-06-13 | 太仓鼎诚电子科技有限公司 | A kind of temperature measurement system |
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| CN200972608Y (en) * | 2006-10-31 | 2007-11-07 | 苏州博振电子科技有限公司 | Multi-path thermal runner temp. controller |
| CN202018345U (en) * | 2011-03-07 | 2011-10-26 | 济南大学 | Novel thermocouple temperature measurement module |
| CN102410883A (en) * | 2011-11-16 | 2012-04-11 | 江苏正佰电气有限公司 | Switching equipment temperature rise detection system |
| CN202533186U (en) * | 2012-05-03 | 2012-11-14 | 重庆升旭科技有限公司 | Temperature inspecting instrument |
| CN202814584U (en) * | 2012-09-26 | 2013-03-20 | 深圳市华煜芯科技有限公司 | Temperature measuring system of temperature control device |
| CN103776554A (en) * | 2012-10-17 | 2014-05-07 | 成都龙冠科技实业有限公司 | Temperature data acquisition device |
| CN204269247U (en) * | 2014-12-09 | 2015-04-15 | 南京化工职业技术学院 | A kind of electric thermo-couple temperature logging |
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2014
- 2014-12-09 CN CN201410746382.2A patent/CN104359577A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200972608Y (en) * | 2006-10-31 | 2007-11-07 | 苏州博振电子科技有限公司 | Multi-path thermal runner temp. controller |
| CN202018345U (en) * | 2011-03-07 | 2011-10-26 | 济南大学 | Novel thermocouple temperature measurement module |
| CN102410883A (en) * | 2011-11-16 | 2012-04-11 | 江苏正佰电气有限公司 | Switching equipment temperature rise detection system |
| CN202533186U (en) * | 2012-05-03 | 2012-11-14 | 重庆升旭科技有限公司 | Temperature inspecting instrument |
| CN202814584U (en) * | 2012-09-26 | 2013-03-20 | 深圳市华煜芯科技有限公司 | Temperature measuring system of temperature control device |
| CN103776554A (en) * | 2012-10-17 | 2014-05-07 | 成都龙冠科技实业有限公司 | Temperature data acquisition device |
| CN204269247U (en) * | 2014-12-09 | 2015-04-15 | 南京化工职业技术学院 | A kind of electric thermo-couple temperature logging |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106840424A (en) * | 2017-02-10 | 2017-06-13 | 太仓鼎诚电子科技有限公司 | A kind of temperature measurement system |
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Application publication date: 20150218 |