CN201740603U - Temperature measuring, carbon determining and oxygen determining instrument - Google Patents
Temperature measuring, carbon determining and oxygen determining instrument Download PDFInfo
- Publication number
- CN201740603U CN201740603U CN2010202760779U CN201020276077U CN201740603U CN 201740603 U CN201740603 U CN 201740603U CN 2010202760779 U CN2010202760779 U CN 2010202760779U CN 201020276077 U CN201020276077 U CN 201020276077U CN 201740603 U CN201740603 U CN 201740603U
- Authority
- CN
- China
- Prior art keywords
- chip microcomputer
- oxygen
- input end
- unit
- temperature measuring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Abstract
The utility model discloses a temperature measuring, carbon determining and oxygen determining instrument for molten steel. As for the instrument, a temperature thermocouple is connected with a temperature measuring unit, the temperature measuring unit is connected with an A/D conversion unit, and the A/D conversion unit is connected with a single-chip microcomputer; a semiconductor thermometric element is connected with a cold-end temperature measuring unit, the cold-end temperature measuring unit is connected with the A/D conversion unit, and the A/D conversion unit is connected with the single-chip microcomputer; an oxygen potential measuring part is connected with an oxygen potential measuring unit, the oxygen potential measuring unit connected with the A/D conversion unit, and the A/D conversion unit is connected with the single-chip microcomputer; a keyboard is connected at the input end of the single-chip microcomputer; and the output end of the single-chip microcomputer is connected with an LED display screen, a switching value DO output interface and an A/D conversion output interface respectively. The temperature measuring, carbon determining and oxygen determining instrument has simple structure and low cost, is convenient to use, and has multiple functions including displaying, communication, printing, man-machine interaction, and the like.
Description
Technical field
The utility model relates to the device that metallurgy industry is measured the relevant index of molten steel, but particularly a kind of adapted fast or continuous temperature measurement thermopair, quick or continuous Determining oxygen probe, crystallization decide the thermometric that carbon sample cup measures molten steel and decide the carbon apparatus for determination of oxygen.
Background technology
At present, thermometric decides that carbon-the oxygen device of Dinging has a very wide range of applications at metallurgy industry, but conventional device also exists weak point.For example: the thermometric person of low position with he Li Shi is the high-performance thermometric apparatus for determination of oxygen table of representative, it is used for the high-end applications occasion behind stokehold and the stove, and the sublance DAS that is used for the stokehold is based on the real-time computer system of embedded technology, though its every performance index height, but price is also relatively more expensive, thereby has influenced applying of it.
The utility model content
The purpose of this utility model provides a kind of thermometric simple in structure, with low cost, easy to use and decides the carbon apparatus for determination of oxygen, makes it satisfy the needs that metallurgy industry is measured liquid steel temperature, oxygen content and carbon content.
In order to realize the purpose of this utility model, the utility model is a core with the high-performance single-chip microcomputer, and adapted quick temperature measurement galvanic couple, quick Determining oxygen probe are measured liquid steel temperature and oxygen content.Employing standard 4U cabinet is equipped with LED display, can connect large screen display and standard printer interface simultaneously, and binary channels analog quantity and digital signal amount output interface are provided, and disposes the PROFIBUS-DP interface simultaneously, the communication between realization and the external data.Have self-checking function, enter hold mode during outage automatically.Can dynamically show real-time measurement curve in the measurement, store history curve simultaneously.This instrument tool human-computer interaction function, panel is provided with 16 key boards, operation keyboard can make amendment system configuration, measurement parameter, consult historical data etc.
Concrete technical scheme of the present utility model is:
The input end of its temperature thermocouple jointing temp measuring unit, the input end of the output termination analog quantity of temperature measurement unit and digital quantity converting unit A/D, the output terminal of analog quantity and digital quantity converting unit A/D connects the single-chip microcomputer input end; The semiconductor temperature element connects the input end of cold junction temperature measuring unit, the input end of the output termination analog quantity of cold junction temperature measuring unit and digital quantity converting unit A/D, and the output terminal of analog quantity and digital quantity converting unit A/D connects the single-chip microcomputer input end; Oxygen potential measurement parts connect oxygen potential measurement unit input end, the input end of oxygen potential measurement unit output termination analog quantity and digital quantity converting unit A/D, and the output terminal of analog quantity and digital quantity converting unit A/D connects the single-chip microcomputer input end; The single-chip microcomputer input end also is connected to keyboard; The single-chip microcomputer output terminal connects LED display, switching value DO output interface, digital quantity and analog quantity conversion D/A output interface respectively.
Above-mentioned single-chip microcomputer output terminal also is connected with communication interface and/or printing interface and/or large-size screen monitors display interface.
Above-mentioned single-chip microcomputer is selected the ARM single-chip microcomputer for use.
Above-mentioned keyboard is 16 key mold pressing keyboards.
The beneficial effects of the utility model:
The utility model is simple in structure, and is with low cost, easy to use, and function is many, has functions such as demonstration, communication, printing, man-machine interaction.
Description of drawings
Accompanying drawing is a theory diagram of the present utility model.
Embodiment
Below in conjunction with drawings and Examples the utility model is further described, but this embodiment should not be construed as restriction of the present utility model.
Consult accompanying drawing, the utility model is made up of temperature measurement unit, cold junction temperature measuring unit, oxygen potential measurement unit, A/D converting unit, keyboard, single-chip microcomputer, LED demonstration, communication interface, printing interface, large-size screen monitors display interface, DO output unit, D/A output unit.
Acting as of above-mentioned critical piece:
1. temperature measurement unit
Can measure the electric thermo-couple temperature of S, B, three kinds of calibration of R number, temperature-measuring range is 1000 ℃～1750 ℃, is the output of 0-5V voltage with the input temp conversion of signals.
2. cold junction temperature measuring unit
Detect cold junction temperature by the semiconductor temperature element, 0 ℃～100 ℃ of temperature-measuring ranges are the output of 0-5V voltage with the cold junction temperature conversion of signals.
3. oxygen potential measurement unit
Measurement range is-300mV～+ 300mV, be converted to-5V～+ 5V output.
4.A/D converting unit
Convert the analog signals of temperature measurement unit, cold junction temperature measuring unit, oxygen potential measurement unit to digital quantity signal that single-chip microcomputer can directly be handled.
5. keyboard
16 key mold pressing keyboards are set on the instrument face plate, can revise systematic parameter and realize the correlation function operation.
6. single-chip microcomputer (can select the ARM single-chip microcomputer for use).
The high-performance single-chip microcomputer can be realized following function:
One, statusline information shows
● time, date show
● thermopair S, R, number demonstration of B calibration
● chart/digital display mode
Two, measurement result viewing area
● three kinds of states show (prepare, measure, finish).In case measuring process starts, no matter program rests on any picture can automatically switch to measurement data display frame.
● temperature
● the oxygen electromotive force
● oxygen activity ppm
● decide oxygen and decide carbon value (or deciding the aluminium value)
Three, chart display mode
Transverse axis: time: 0-10s
The longitudinal axis: temperature: 1100～1700 ℃
The oxygen electromotive force :-300～+ 300mV
Four, keypad function
0～9: the numeral input
ENT: confirm
CLR: removing/function collateral key
F1: master menu/preceding turning over/accelerator key
F2: the steel Bale No./after turn over/the deceleration key
F3: print screen/radix point/quality grade conversion
F4: Q factor.
CLR+0: time, date are provided with
CLR+1: thermopair S, R, number switching of B calibration
CLR+2: digital quantity output state
CLR+3: chart/numeral shows to be switched
CLR+4: hearth number (8)
CLR+5: initialization printer
CLR+6: print last measurement result
Five, menu is capable
1.F1-master menu
1.1. procedure parameter
| Sequence number | Parameter | Standard value | Maximal value | Minimum value | Unit |
| 1 | The temperature initial value | 1100 | 1700 | 400 | ℃ |
| 2 | The temperature tolerance | 3 | 10 | 1 | ℃ |
| 3 | Temperature platform length | 1.2 | 5 | 0.5 | |
| 4 | The temperature maximum measuring time | 6 | 12 | 4 | s |
| 5 | Oxygen electromotive force initial value | -300 | 200 | -400 | mV |
| 6 | Oxygen electromotive force variation | 5 | 10 | 1 | mV |
| 7 | Oxygen electromotive force land lengths | 1.2 | 5 | 0.5 | s |
| 8 | Oxygen electromotive force maximum measuring time | 10 | 12 | 8 | s |
| 9 | Oxygen electromotive force |
4 | 5 | 1 | s |
| 10 | Finish " signal time | 2 | 5 | 1 | s |
| 11 | Password | **** | 99999 | 0 |
1.2 canonical parameter (with the Q factor setting)
1.3 formula
The oxygen activity parameters of formula is provided with
Decide the setting of carbon parameters of formula
Decide the setting of aluminium parameters of formula
1.4Profibus DP parameter
1.5 serial ports parameter
1.64 ... 20mA output
1.7 print parameters
1.8 cold junction temperature test
1.9 backup
1.10 calibration
Temperature offset voltage is adjusted
The EMF bias voltage is adjusted
Automatically verification
2.F2-steel Bale No. (8)
3.F3-print screen
4.F4-Q factor.Can switch to different parameters and formula according to three kinds of different molten steel grades after pressing the F4 key and inputing password, canonical parameter is identical for these quality requirements.Adjustable parameter is as follows:
● the temperature initial value
● the temperature tolerance
● temperature platform length
● the temperature maximum measuring time
● oxygen electromotive force initial value
● oxygen electromotive force tolerance
● oxygen electromotive force land lengths
● oxygen electromotive force maximum measuring time
● thermocouple type
● adjustable parameters of formula
Six, screen protection
Seven, system testing
● cold junction temperature
● temperature
● the oxygen electromotive force
● LED shows
Be furnished with 8 on the instrument face plate " LED display, measurement data dynamically is presented on the screen with numerical value or graph mode, and historical data shows in the numerical value mode.
● communication interface
Undertaken alternately by Profibus DP interface and on-the-spot peripheral hardware, to realize remote data communication.
● printing interface
The outfit standard printer interface is to realize printing function on the spot.
● the large-size screen monitors display interface
Special-purpose large-size screen monitors display interface can link to each other by direct with on-the-spot large-screen display, and measurement data can directly show on giant-screen, makes things convenient for the site operation personnel to check data.
● the DO output unit
By three state display lamps at DI/DO conversion and control scene,, be expressed as respectively to measure and prepare, measure, finish three processes to control three kinds of states.
● the D/A output unit
The conversion of digital quantity/analog quantity can be realized in this unit, the output of single-chip microcomputer digital quantity is converted to 4～20mA analog quantity output of standard.
Obviously, those skilled in the art can carry out various changes and modification to the utility model and not break away from spirit and scope of the present utility model.If of the present utility model these are revised and modification belongs within the scope of the utility model claim and equivalent technologies thereof, then the utility model also should comprise these changes and modification interior.
If the content that is not described in detail is arranged, should be those skilled in the art's technique known in this instructions, repeat no more herein.
Claims (4)
1. a thermometric is decided the carbon apparatus for determination of oxygen, it is characterized in that: the input end of its temperature thermocouple jointing temp measuring unit, the input end of the output termination analog quantity of temperature measurement unit and digital quantity converting unit A/D, the output terminal of analog quantity and digital quantity converting unit A/D connects the single-chip microcomputer input end; The semiconductor temperature element connects the input end of cold junction temperature measuring unit, the input end of the output termination analog quantity of cold junction temperature measuring unit and digital quantity converting unit A/D, and the output terminal of analog quantity and digital quantity converting unit A/D connects the single-chip microcomputer input end; Oxygen potential measurement parts connect oxygen potential measurement unit input end, the input end of oxygen potential measurement unit output termination analog quantity and digital quantity converting unit A/D, and the output terminal of analog quantity and digital quantity converting unit A/D connects the single-chip microcomputer input end; The single-chip microcomputer input end also is connected to keyboard; The single-chip microcomputer output terminal connects LED display, switching value DO output interface, digital quantity and analog quantity conversion D/A output interface respectively.
2. thermometric as claimed in claim 1 is decided the carbon apparatus for determination of oxygen, it is characterized in that: described single-chip microcomputer output terminal also connects communication interface and/or printing interface and/or large-size screen monitors display interface.
3. thermometric as claimed in claim 1 is decided the carbon apparatus for determination of oxygen, it is characterized in that: described single-chip microcomputer is selected the ARM single-chip microcomputer for use.
4. thermometric as claimed in claim 1 is decided the carbon apparatus for determination of oxygen, it is characterized in that: described keyboard is 16 key mold pressing keyboards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202760779U CN201740603U (en) | 2010-07-27 | 2010-07-27 | Temperature measuring, carbon determining and oxygen determining instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202760779U CN201740603U (en) | 2010-07-27 | 2010-07-27 | Temperature measuring, carbon determining and oxygen determining instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201740603U true CN201740603U (en) | 2011-02-09 |
Family
ID=43555879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202760779U Expired - Lifetime CN201740603U (en) | 2010-07-27 | 2010-07-27 | Temperature measuring, carbon determining and oxygen determining instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201740603U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103308201A (en) * | 2013-05-23 | 2013-09-18 | 苏州卫生职业技术学院 | Intelligent temperature measuring set |
| CN107121164A (en) * | 2017-06-29 | 2017-09-01 | 湖南镭目科技有限公司 | A kind of carbon content of molten steel and system for detecting temperature |
-
2010
- 2010-07-27 CN CN2010202760779U patent/CN201740603U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103308201A (en) * | 2013-05-23 | 2013-09-18 | 苏州卫生职业技术学院 | Intelligent temperature measuring set |
| CN107121164A (en) * | 2017-06-29 | 2017-09-01 | 湖南镭目科技有限公司 | A kind of carbon content of molten steel and system for detecting temperature |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105466587A (en) | Multichannel temperature acquisition system based on K-type thermocouple and MAX6675s | |
| CN201740603U (en) | Temperature measuring, carbon determining and oxygen determining instrument | |
| CN101034010A (en) | Contacting/non-contacting molten metal high temperature measuring apparatus and measuring method | |
| CN103532550A (en) | Current frequency converter test method based on virtual instrument | |
| CN204855788U (en) | Error treater and electric energy meter calibration device | |
| CN102866180B (en) | High-precision intelligent acidity meter and measuring method thereof | |
| CN201425520Y (en) | Intelligent temperature-measuring instrument | |
| CN203385446U (en) | SHT11 based digital relative humidity and temperature detecting instrument for laboratories | |
| CN101839932B (en) | Measuring equipment | |
| CN202869681U (en) | Temperature-measurement carbon-quantification aluminium-quantification oxygen-quantification instrument for molten steel | |
| CN204241442U (en) | Hyperchannel indoor gas parameter tester and indoor gas parameter test system | |
| CN202422536U (en) | Electronic circuit experiment box for circuit test | |
| CN202511823U (en) | Temperature and pressure synchronous tester | |
| CN113514168A (en) | Multi-channel temperature sensor testing device | |
| CN201569501U (en) | Digital thermometer | |
| JPS62168066A (en) | Digital high insulation resistance tester | |
| CN111176254A (en) | Multifunctional signal generating and detecting device | |
| CN220270621U (en) | Multi-point infrared temperature detection device | |
| CN111474228A (en) | High-performance oxygen content transmitter | |
| CN217637175U (en) | Double-dial gauge reinforcing steel bar residual deformation measuring device | |
| CN2543964Y (en) | Water temp on-line detector for blast furnace | |
| CN216558734U (en) | Double-extensometer reinforcing steel bar residual deformation measuring device | |
| CN108303225A (en) | A kind of portable rigidity data measures and processing system | |
| CN105387949A (en) | Temperature measurement system based on STC single-chip microcomputer | |
| CN202304741U (en) | Display for digital caliper |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170713 Address after: 430083, Hubei Wuhan Qingshan District Factory No. 2 Gate joint stock company organs Patentee after: Wuhan iron and Steel Company Limited Address before: Wuhan City, Hubei province 430080 friendship road Wuchang No. 999 A block 15 layer Branch Department Patentee before: Wuhan Iron & Steel (Group) Corp. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110209 |