CN106482870A - Wolfram rhenium heat electric couple examines and determine data collecting system - Google Patents
Wolfram rhenium heat electric couple examines and determine data collecting system Download PDFInfo
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- CN106482870A CN106482870A CN201611043105.0A CN201611043105A CN106482870A CN 106482870 A CN106482870 A CN 106482870A CN 201611043105 A CN201611043105 A CN 201611043105A CN 106482870 A CN106482870 A CN 106482870A
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- heat electric
- electric couple
- data collecting
- wolfram rhenium
- rhenium heat
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- 229910052702 rhenium Inorganic materials 0.000 title claims abstract description 25
- WUAPFZMCVAUBPE-UHFFFAOYSA-N rhenium atom Chemical compound [Re] WUAPFZMCVAUBPE-UHFFFAOYSA-N 0.000 title claims abstract description 25
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 claims abstract description 36
- 238000004891 communication Methods 0.000 claims abstract description 11
- 238000003556 assay Methods 0.000 claims description 10
- 238000007639 printing Methods 0.000 claims description 4
- 238000012795 verification Methods 0.000 abstract description 5
- 238000005259 measurement Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 4
- 238000011160 research Methods 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000009529 body temperature measurement Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005272 metallurgy Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000005619 thermoelectricity Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 238000004801 process automation Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 230000005676 thermoelectric effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K15/00—Testing or calibrating of thermometers
- G01K15/007—Testing
Abstract
The present invention relates to Wolfram rhenium heat electric couple calibrating data collecting system, including：The main website being connected by Process FieldbusROFIBUS and slave station, wherein main website is included the class main website being interacted with slave station by described Process FieldbusROFIBUS and described Process FieldbusROFIBUS can be arranged and the two class main websites with a class master station communication, and described slave station includes the standard IR temperature collecting device being connected respectively and tested thermocouple harvester with described Process FieldbusROFIBUS.The Wolfram rhenium heat electric couple calibrating data collecting system of the present invention, can be good be applied to high temperature Wolfram rhenium heat electric couple automatic verification system, there is the characteristics such as high speed, high efficiency, high automaticity, and data acquisition and demarcation can be carried out in the range of 800 DEG C～2300 DEG C, fill up in current industry to the blank in 1500 DEG C～2300 DEG C temperature ranges.
Description
Technical field
The present invention relates to data collecting system, it is concretely the Wolfram rhenium heat electric couple calibrating of Kernel-based methods fieldbus bus
Data collecting system.
Background technology
In the such as various industrial trade such as metallurgy, oil, chemical industry, machinery, Aero-Space, the measurement to temperature suffers from ten
Divide important meaning.At present temperature survey probably can be divided into by two classes according to the difference of metering system, a class is that contact is surveyed
Amount, another kind of is non-contact measurement.For contact type measurement, thermocouple is using more temperature-measuring element.Thermocouple
It is a kind of common temperature measurement element based on thermoelectric effect principle, be widely used in industry-by-industry, special
It is not as metallurgy, Aero-Space cause etc. in some high temperature measurement environment.But for thermocouple itself, according to national
Metrological regulation, after it dispatches from the factory or uses a period of time, needs periodically it to be examined and determine accordingly.At present, all of
The calibration operation of thermocouple is required for carrying out according to the content of People's Republic of China's national measurement technical specification defined, presses
According to different specifications, to determining the operating temperature of thermocouple respectively at 300 DEG C～2200 DEG C, 20 DEG C～2800 DEG C and 0～1500
DEG C etc., but the only calibrating work when 0～1500 DEG C to Wolfram rhenium heat electric couple working range in the specification for 0～1500 DEG C
It is illustrated, and the specification not having correlation for the demarcation higher than 1500 DEG C to illustrate, once in 1988 years by state's family livehood
Amount department entrusts Insti. of Measuring and testing technology. Liaoning Prov. to draft《JJG576-1988 work examines and determine rule with Wolfram rhenium heat electric couple
Journey》, this code carried out corresponding explanation to Wolfram rhenium heat electric couple in 0～2300 DEG C of calibrating mode, but in 2007 by specification
《JJF 1176-2007》Replaced, the calibrating specification for 1500～2300 DEG C is blank out from that time；But W-Re
Thermocouple but often uses in the range of this, then how to carry out demarcating just to using the Wolfram rhenium heat electric couple in the range of this
It is to need to solve, it carrys out its calibrating of specification using which type of standard is also to need research.
Some institutes domestic and enterprise are all based on Wolfram rhenium heat electric couple for the research of Wolfram rhenium heat electric couple verification system
Working environment is less than 1500 DEG C, does not substantially have for the research in 1500 DEG C～2300 DEG C this temperature ranges and report, special
With reference to advanced computer, the technology such as Automated condtrol there is high speed, high efficiency, high automaticity, antioxygen
Change the Wolfram rhenium heat electric couple automatic calibrator of the characteristics such as function.
PROFIBUS is corresponding uppercase combination abbreviation in Process Field BUS, and referred to as process-field is total
Line.PROFIBUS bus is towards factory automation and a kind of process automatically international live bus standard.It is extensive
Be applied in modern industry, such as automated manufacturing (automobile making, warehousing system etc.), cross process automation and (petrochemical industry, make
Paper and textile industry etc.), power electronics, traffic administration and live in the industries such as related building automatic to us.Using
PROFIBUS bus standard is capable of transmitting the data transfer of the equipment rooms such as sensor, executor, PLC.
Content of the invention
The invention provides a kind of Wolfram rhenium heat electric couple examines and determine data collecting system, to set up thermocouple 1500 DEG C～2300
DEG C working environment in data acquisition modes, the industry filling up related is blank.
Wolfram rhenium heat electric couple of the present invention examines and determine data collecting system, including：Connected by Process FieldbusROFIBUS (PROFIBUS)
Main website and slave station, wherein main website includes the class main website interacting by described Process FieldbusROFIBUS and can be to described mistake with slave station
Journey fieldbus setting and the two class main websites with a class master station communication, described slave station include respectively with described Process FieldbusROFIBUS
The standard IR temperature collecting device connecting and tested thermocouple harvester.One class main website realizes and the control to slave station
The functions such as system, data exchange, parameter setting, diagnosis, two class main websites can be communicated with a class main website, and can be to process-field
Bus is configured accordingly, parameter initialization etc..From the temperature survey principle of thermocouple, when measuring electric thermo-couple temperature
Measured potential is the difference of the potential of the measurement end of thermocouple and reference edge point-to-point transmission.This potential passes through described tested thermoelectricity
Even potential harvester collection, its structure can be realized using existing device.The system is carried out to thermocouple using dry practice method
Calibrating, therefore carries out the data acquisition of thermocouple using standard IR temperature collecting device.Standard IR temperature collecting device
Temperature-measuring range is 250 DEG C to 3000 DEG C, disclosure satisfy that the data acquisition in the range of required 2300 DEG C.
Specifically, a described class main website is PC or PLC device.The effect of one class main website is central controller, and one
Can there are multiple class main websites in individual system, control multiple slave stations.
Specifically, two described class main websites include the control list being connected by network communication card with described Process FieldbusROFIBUS
Unit.Two class main websites have setting tributary address, configuration, the function such as system monitoring, can comprise as programmable device, configuration equipment and/or
The equipment such as PC.
Optionally, described control unit is also associated with printing equipment, is achieved with carrying out to corresponding data printing.
On this basis, also include the assay furnace oven temperature control device being connected with Process FieldbusROFIBUS in described slave station, inspection
After determining stove constant temperature, rate of temperature change should<=2 DEG C/min, assay furnace oven temperature control device is used for the furnace temperature of control verification stove, makes
Proving temperature is ± 5 DEG C with the design temperature deviation of assay furnace.
Further, it is provided with warning system in described assay furnace oven temperature control device, when temperature control abnormal
Carry out alarm.Warning system can be using existing conventional frame mode, such as audible alarm or sound and light alarm etc..
The Wolfram rhenium heat electric couple calibrating data collecting system of the present invention, can be good to be applied to high temperature Wolfram rhenium heat electric couple automatic
Verification system, has the characteristics such as high speed, high efficiency, high automaticity, and can enter line number in the range of 800 DEG C～2300 DEG C
According to collection and demarcation, fill up in current industry to the blank in 1500 DEG C～2300 DEG C temperature ranges.
Specific embodiment with reference to embodiments, is described in further detail to the above of the present invention again.
But this scope being interpreted as the above-mentioned theme of the present invention should not be only limitted to Examples below.Thinking without departing from the above-mentioned technology of the present invention
In the case of thinking, the various replacements made according to ordinary skill knowledge and customary means or change, all should include at this
In bright scope.
Brief description
Fig. 1 examines and determine the block diagram of data collecting system for Wolfram rhenium heat electric couple of the present invention.
Specific embodiment
The Wolfram rhenium heat electric couple calibrating data collecting system of the present invention, is connected with master by Process FieldbusROFIBUS as shown in Figure 1
Stand and slave station.Wherein main website includes a class main website and two class main websites, and a described class main website is PLC device, by process-field
Bus is interacted with slave station.The effect of one class main website is central controller, can have multiple class main websites in a system, controls
Multiple slave stations.Two class main websites include the control unit being connected by network communication card with described Process FieldbusROFIBUS, and with control
The printing equipment that unit processed connects.Two class main websites have the functions such as setting tributary address, configuration, system monitoring, can comprise as compiled
The equipment such as journey device, configuration equipment and/or PC.Two class main websites can lead to the setting of described Process FieldbusROFIBUS and with a class main website
Letter.
Described slave station includes the standard IR temperature collecting device being connected respectively and tested with described Process FieldbusROFIBUS
Thermocouple harvester, and the assay furnace oven temperature control device being connected with Process FieldbusROFIBUS, in assay furnace furnace temperature control
It is provided with warning system in device processed, carry out alarm when temperature control abnormal.Warning system can adopt existing routine
Frame mode, such as audible alarm or sound and light alarm etc..
In equipment choice, a class main website selects Siemens S7-300 series of PLC equipment.Its CPU model 319-3DP
Type, possesses the interfaces such as MPI (information transmission application programming interfaces), RS485, can build Kernel-based methods fieldbus
(PROFIBUS) data collecting system, maximum transfer speed is 12M/s.
The control unit of two class main websites is using grinding the embedded box ARK-5260 industrial computer of China, ARK-5260 industrial control computer structure
Closely, the sealing structure run using fan-free, is supported the Intel CPU of 1.66GHz, has 5 USB2.0 ports,
Hold 4 RS-232/422/485 interfaces with automatic flow control, built-in 1 PCI-e and 2 PCI expansion slot, PC expands
Panel adopts rubber antidetonation.By corresponding software being installed on industrial machine answering, the such as configuration software such as WINCC, FIX, power control, with
And DLL software STEP7 etc. is realizing the hardware configuration of Process FieldbusROFIBUS bus and control etc..
The CP5613 type network interface card of Siemens Company selected by network communication card, and CP5613 type net has the mistake based on pci bus
Journey Local Bus Interface card, it is mainly used in for industrial computer being connected to Process FieldbusROFIBUS.By by CP5613 type network interface card
Be installed in the PCI expansion slot of ARK-5260 industrial computer, it is possible to achieve using in industrial computer access procedure fieldbus as main
Stand use.
Standard IR temperature collecting device in slave station selects the thunder Thailand marathon that U.S. Raytek (Lei Tai) company produces
FA series of IR temperature measurer, this infrared radiation thermometer possesses RS485 serial communication interface, may be connected to Process FieldbusROFIBUS.
Realize thermoelectricity by seven Semi-digital multimeters of 2010 type of Keithley in tested thermocouple harvester
The measurement of even thermoelectrical potential.But because of digital multimeter only RS232 and GBIP communication interface it is impossible to directly enter with Process FieldbusROFIBUS
Row communication.Therefore docking of digital multimeter and Process FieldbusROFIBUS must be realized by corresponding communication interface.I.e. using monolithic
Machine+protocol integrated test system chip is realizing reading and being sent to Process FieldbusROFIBUS of the measurement result to digital multimeter.Wherein single
AT89S52 model selected by piece machine, has 8 bit CPUs and in-system programmable components Flash on a single chip so that AT89S52 single-chip microcomputer
High flexible, super efficient solution can be provided for multiple embedded Control application systems.
Rate of temperature change after assay furnace oven temperature control device control verification stove constant temperature<=2 DEG C/min, and make proving temperature
It is ± 5 DEG C with the design temperature deviation of assay furnace.
The system of the present invention achieves RS232 interface to Process FieldbusROFIBUS, and RS485 interface is to Process FieldbusROFIBUS
Corresponding protocol conversion is so that the equipment not possessing Process FieldbusROFIBUS interface can facilitate access procedure fieldbus, to heat
Galvanic couple carries out data acquisition and demarcation in the range of 800 DEG C～2300 DEG C, has filled up in current industry to 1500 DEG C～2300 DEG C
Blank in temperature range.
Claims (6)
1. Wolfram rhenium heat electric couple calibrating data collecting system, its feature includes：The main website being connected by Process FieldbusROFIBUS and slave station,
Wherein main website is included the class main website being interacted with slave station by described Process FieldbusROFIBUS and described Process FieldbusROFIBUS can be set
Put and the two class main websites with a class master station communication, the standard that described slave station includes being connected with described Process FieldbusROFIBUS respectively is red
Outer temperature collecting device and tested thermocouple harvester.
2. Wolfram rhenium heat electric couple as claimed in claim 1 examines and determine data collecting system, it is characterized by：A described class main website is PC
Machine or PLC device.
3. Wolfram rhenium heat electric couple as claimed in claim 1 examines and determine data collecting system, it is characterized by：Two described class main websites include
The control unit being connected with described Process FieldbusROFIBUS by network communication card.
4. Wolfram rhenium heat electric couple as claimed in claim 3 examines and determine data collecting system, it is characterized by：Described control unit is also connected with
There is printing equipment.
5. the Wolfram rhenium heat electric couple calibrating data collecting system as described in one of Claims 1-4, it is characterized by：In described slave station
Also include the assay furnace oven temperature control device being connected with Process FieldbusROFIBUS.
6. Wolfram rhenium heat electric couple as claimed in claim 5 examines and determine data collecting system, it is characterized by：Described assay furnace Control for Kiln Temperature
It is provided with warning system in device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611043105.0A CN106482870A (en) | 2016-11-24 | 2016-11-24 | Wolfram rhenium heat electric couple examines and determine data collecting system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611043105.0A CN106482870A (en) | 2016-11-24 | 2016-11-24 | Wolfram rhenium heat electric couple examines and determine data collecting system |
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| CN106482870A true CN106482870A (en) | 2017-03-08 |
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| CN201611043105.0A Pending CN106482870A (en) | 2016-11-24 | 2016-11-24 | Wolfram rhenium heat electric couple examines and determine data collecting system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111397772A (en) * | 2020-05-09 | 2020-07-10 | 河南科创铝基新材料有限公司 | Method for calibrating special-shaped thermocouple |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09210795A (en) * | 1996-02-06 | 1997-08-15 | Tokai Konetsu Kogyo Co Ltd | Graphite furnace having convenient temperature calbrating function for radiation thermometer |
| CN202101765U (en) * | 2011-05-19 | 2012-01-04 | 江苏红光仪表厂有限公司 | Temperature transmitter for real-time wireless communication industrial thermocouple |
| CN202974509U (en) * | 2012-12-29 | 2013-06-05 | 淄博市计量测试所 | Thermocouple online verification and calibration system |
| CN204286647U (en) * | 2014-12-26 | 2015-04-22 | 辽宁机电职业技术学院 | Industrial thermocouple measurement verification system |
| CN204535890U (en) * | 2015-04-08 | 2015-08-05 | 大连交通大学 | A kind of thermopair automatic calibration system |
-
2016
- 2016-11-24 CN CN201611043105.0A patent/CN106482870A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09210795A (en) * | 1996-02-06 | 1997-08-15 | Tokai Konetsu Kogyo Co Ltd | Graphite furnace having convenient temperature calbrating function for radiation thermometer |
| CN202101765U (en) * | 2011-05-19 | 2012-01-04 | 江苏红光仪表厂有限公司 | Temperature transmitter for real-time wireless communication industrial thermocouple |
| CN202974509U (en) * | 2012-12-29 | 2013-06-05 | 淄博市计量测试所 | Thermocouple online verification and calibration system |
| CN204286647U (en) * | 2014-12-26 | 2015-04-22 | 辽宁机电职业技术学院 | Industrial thermocouple measurement verification system |
| CN204535890U (en) * | 2015-04-08 | 2015-08-05 | 大连交通大学 | A kind of thermopair automatic calibration system |
Non-Patent Citations (1)
| Title |
|---|
| 方彦军等: "PROFIBUS-DP总线温度采集装置研究与设计", 《传感器与微系统》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111397772A (en) * | 2020-05-09 | 2020-07-10 | 河南科创铝基新材料有限公司 | Method for calibrating special-shaped thermocouple |
| CN111397772B (en) * | 2020-05-09 | 2021-06-22 | 河南科创铝基新材料有限公司 | Method for calibrating special-shaped thermocouple |
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Application publication date: 20170308 |
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