CN204269247U - A kind of electric thermo-couple temperature logging - Google Patents
A kind of electric thermo-couple temperature logging Download PDFInfo
- Publication number
- CN204269247U CN204269247U CN201420769184.3U CN201420769184U CN204269247U CN 204269247 U CN204269247 U CN 204269247U CN 201420769184 U CN201420769184 U CN 201420769184U CN 204269247 U CN204269247 U CN 204269247U
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- analog switch
- multiway analog
- thermocouple
- converter
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Abstract
The utility model discloses a kind of electric thermo-couple temperature logging, belong to instrument and meter for automation field, it is characterized in that, comprise thermocouple sensor, multiway analog switch, amplifying circuit, A/D converter, Single Chip Microcomputer (SCM) system, LCD shows, button, serial ports exports 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, described A/D converter, LCD shows, button, serial ports exports, alarm is connected with Single Chip Microcomputer (SCM) system respectively with multiway analog switch, the utility model provides and a kind ofly can show multichannel and the temperature display meter of different Thermocouple Temperature Signal.
Description
Technical field
The utility model 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.
Utility model content
The technical problems to be solved in the utility model 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 utility model 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 utility model: 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 beneficial effects of the utility model are, 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 utility model.
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 utility model is described in further detail.
With reference to Fig. 1, a kind of electric thermo-couple temperature logging of the utility model, 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 utility model: 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 |
|---|---|---|---|
| CN201420769184.3U CN204269247U (en) | 2014-12-09 | 2014-12-09 | A kind of electric thermo-couple temperature logging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420769184.3U CN204269247U (en) | 2014-12-09 | 2014-12-09 | A kind of electric thermo-couple temperature logging |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204269247U true CN204269247U (en) | 2015-04-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420769184.3U Expired - Fee Related CN204269247U (en) | 2014-12-09 | 2014-12-09 | A kind of electric thermo-couple temperature logging |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204269247U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104359577A (en) * | 2014-12-09 | 2015-02-18 | 南京化工职业技术学院 | Thermocouple temperature inspecting instrument |
| CN105784126A (en) * | 2016-04-15 | 2016-07-20 | 中国科学院上海技术物理研究所 | Infrared detector assembly multi-channel temperature monitoring system based on diode temperature measurement |
| CN108226213A (en) * | 2018-01-12 | 2018-06-29 | 北京理工大学 | Fast roasting combustion temperature test platform and its method based on Mechatronic Systems and dangerous material |
| CN115639496A (en) * | 2022-10-18 | 2023-01-24 | 河北宝利输变电设备制造有限公司 | Intelligent power distribution cabinet state monitoring system |
-
2014
- 2014-12-09 CN CN201420769184.3U patent/CN204269247U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104359577A (en) * | 2014-12-09 | 2015-02-18 | 南京化工职业技术学院 | Thermocouple temperature inspecting instrument |
| CN105784126A (en) * | 2016-04-15 | 2016-07-20 | 中国科学院上海技术物理研究所 | Infrared detector assembly multi-channel temperature monitoring system based on diode temperature measurement |
| CN108226213A (en) * | 2018-01-12 | 2018-06-29 | 北京理工大学 | Fast roasting combustion temperature test platform and its method based on Mechatronic Systems and dangerous material |
| CN115639496A (en) * | 2022-10-18 | 2023-01-24 | 河北宝利输变电设备制造有限公司 | Intelligent power distribution cabinet state monitoring system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150415 Termination date: 20151209 |
|
| EXPY | Termination of patent right or utility model |