CN105369188B - A kind of carbon potential exerciser - Google Patents
A kind of carbon potential exerciser Download PDFInfo
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- CN105369188B CN105369188B CN201510784703.2A CN201510784703A CN105369188B CN 105369188 B CN105369188 B CN 105369188B CN 201510784703 A CN201510784703 A CN 201510784703A CN 105369188 B CN105369188 B CN 105369188B
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- carbon potential
- input interface
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- signal input
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
- C23C8/08—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases only one element being applied
- C23C8/20—Carburising
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Measuring Oxygen Concentration In Cells (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The present invention proposes a kind of carbon potential exerciser, and including master controller and mode setting unit, the master controller uses programmable logic controller (PLC), and the master controller includes the first carbon potential calculation unit and the second carbon potential calculation unit；The first carbon potential calculation unit includes the first temperature signal input interface, the first carbon potential signal input interface, the first CO signals input interface and the first carbon potential output interface；The second carbon potential calculation unit includes second temperature signal input interface, the second carbon potential signal input interface, the second CO signals input interface and the second carbon potential output interface；The mode setting unit is connect respectively with the first carbon potential signal input interface, the first CO signals input interface, the second carbon potential signal input interface and the second CO signals input interface.The present invention greatlys improve the ease of use and computational accuracy of product.
Description
Technical field
The present invention relates to Equipment for Heating Processing manufacturing fields, and in particular to a kind of carbon potential exerciser.
Background technology
In the carburizing equipment of heat treatment, need that the parameter (abbreviation " carbon potential ") of the carbon potential in stove is measured and managed
Reason, carbon potential and the temperature of furnace atmosphere, the close phase of content of the content and carbon monoxide of carbon potential gas (carbon dioxide or oxygen)
It closes.According to the type of selected carbon potential gas, the characterizing method of carbon potential includes oxygen gesture method and titanium dioxide carbon potential method, and oxygen gesture method can
To be represented with expression formula Cp=f (T, O2, CO), and carbon dioxide formula rule available expression Cp=f (T, CO2, CO) is represented,
Wherein：Cp represents the carbon potential in furnace atmosphere, and T represents the temperature of furnace atmosphere, and O2 represents the content of the oxygen in furnace atmosphere,
CO2 represents the content of carbon dioxide in furnace atmosphere, and CO represents the content of carbon monoxide in furnace atmosphere.
The measurement and calculating of carbon potential are an extremely complex processes, therefore, generally using dedicated carbon-potential control device
Realize the purpose of carbon potential measurement and management, this dedicated carbon-potential control device is mostly specially developed with microcontroller forms or by counting
Calculation machine is equipped with special-purpose software to complete, and since development cost are higher, production quantity is less, very expensive so as to cause price, this
The popularization and application of product are affected to a certain extent.In addition, existing carbon-potential control device is generally only gathered around, there are one carbon potentials to calculate
Unit, calculation accuracy it is difficult to ensure that.
Invention content
The present invention solves more than technical problem, using programmable logic controller (PLC), the programmable logic controller (PLC)
Unit is calculated including two carbon potentials, carbon potential only need to be calculated to required parameter is separately input into programmable logic controller (PLC) two
A carbon potential calculates unit, and two carbon potential calculation units can be respectively completed carbon potential calculating.
Carbon potential exerciser proposed by the present invention, including master controller and mode setting unit, the master controller uses can
Programmed logic controller, the master controller include the first carbon potential calculation unit and the second carbon potential calculation unit.First carbon
Gesture calculation unit includes the first temperature signal input interface, the first carbon potential signal input interface, the input of the first CO signals
Interface and the first carbon potential output interface；The first temperature signal input interface is used to input the temperature value of furnace atmosphere, described
First carbon potential signal input interface for inputting content of the first carbon potential gas in furnace atmosphere, believe by first carbon monoxide
For inputting content of the carbon monoxide in furnace atmosphere, the first carbon potential output interface is described for exporting for number input interface
The carbon potential that first carbon potential calculation unit calculates.Second carbon potential calculation unit includes second temperature signal input interface, the
Two carbon potential signal input interfaces, the second CO signals input interface and the second carbon potential output interface, the second temperature letter
Number input interface is used to input the temperature value of furnace atmosphere, and the second carbon potential signal input interface is for inputting the second carbon potential gas
Content of the body in furnace atmosphere, the second CO signals input interface are used to input carbon monoxide in furnace atmosphere
Content；The second carbon potential output interface is used to export the carbon potential that the second carbon potential calculation unit calculates.The pattern
Setup unit respectively with the first carbon potential signal input interface, the first CO signals input interface, the second carbon potential signal
Input interface and the connection of the second CO signals input interface.The mode setting unit is used for：Select first carbon potential
The type of gas, the type of the first carbon potential gas include oxygen and carbon dioxide；Select first CO signals
Input interface obtains the mode of content of the carbon monoxide in furnace atmosphere, and the first CO signals input interface obtains
The mode of content of the carbon monoxide in furnace atmosphere includes fixed value input mode and dynamic value input mode；Select described
The type of two carbon potential gases, the type of the second carbon potential gas include oxygen and carbon dioxide；Select the 2nd 1 oxidation
Carbon signal input interface obtains the mode of content of the carbon monoxide in furnace atmosphere, and the second CO signals input connects
The mode that mouth obtains content of the carbon monoxide in furnace atmosphere includes fixed value input mode and dynamic value input mode.
As a further improvement on the present invention, the master controller further includes carbon potential comparing unit, and the carbon potential is more single
Member calculates unit with first carbon potential respectively and the second carbon potential calculation unit is connect, and the carbon potential comparing unit is used to obtain institute
State the difference between the carbon potential that the first carbon potential carbon potential for calculating of calculation unit and second carbon potential calculation unit calculate
Absolute value.
As a further improvement on the present invention, the carbon potential comparing unit includes deviation alarm output interface, when described the
Carbon potential and second carbon potential that one carbon potential calculation unit calculates calculate the absolute of the difference between the carbon potential that unit calculates
When value is more than default warning value, the deviation alarm output interface output bias alarm signal.
As a further improvement on the present invention, the first carbon potential calculation unit further includes the first ammonia input interface, institute
The first ammonia signal input interface is stated for inputting content of the ammonia in furnace atmosphere；The second carbon potential calculation unit also wraps
Include the second ammonia signal input interface, the second ammonia signal input interface is for inputting ammonia containing in furnace atmosphere
Amount.
As a further improvement on the present invention, the first carbon potential output interface and the second carbon potential output interface output
The voltage signal of 1-5V.
As a further improvement on the present invention, the first carbon potential output interface and the second carbon potential output interface output
The current signal of 4-20mA.
Compared with prior art, carbon potential exerciser proposed by the present invention has the following technical effect that：1. it is patrolled using programmable
Controller is collected, carbon potential calculation formula is implanted into the method for program, simplifies carbon potential calculation process；It is 2. single using two carbon potential calculations
Member so that the characterization of carbon potential is more accurately and reliably.
Description of the drawings
Fig. 1 is the structure diagram of one embodiment of the present invention；
Fig. 1 include master controller 1, mode setting unit 2, the first carbon potential calculation unit 3, the second carbon potential calculation unit 4,
Carbon potential comparing unit 5, the first temperature signal input interface 31, the first carbon potential signal input interface 32, the first CO signals
Input interface 33, the first carbon potential output interface 34, the first ammonia signal input interface 35, second temperature signal input interface 41,
Second carbon potential signal input interface 42, the second CO signals input interface 43, the second carbon potential output interface 44, the second ammonia
Signal input interface 45 and deviation alarm output interface 51.
Specific embodiment
Carbon potential exerciser in the present embodiment, including master controller 1 and mode setting unit 2, the master controller uses
Programmable logic controller (PLC) (PLC), the master controller include the first carbon potential calculation unit 3 and second carbon potential calculation unit 4, if
Put two carbon potential calculation units so that the characterization of carbon potential is more accurately and reliably.
The first carbon potential calculation unit 3 includes the first temperature signal input interface 31, the first carbon potential signal input interface
32nd, the first CO signals input interface 33 and the first carbon potential output interface 34；The first temperature signal input interface 31
For inputting the temperature of furnace atmosphere；The first carbon potential signal input interface 32 is used to input the first carbon potential in furnace atmosphere
The content of gas, the first carbon potential gas are one kind in oxygen and carbon dioxide；The first CO signals input
Interface 33 is used to input the content of the carbon monoxide in furnace atmosphere；The first carbon potential output interface 34 exports first carbon
The carbon potential that gesture calculation unit 3 calculates.
The second carbon potential calculation unit 4 includes second temperature signal input interface 41, the second carbon potential signal input interface
42nd, the second CO signals input interface 43 and the second carbon potential output interface 44；The second temperature signal input interface 41
For inputting the temperature of furnace atmosphere；The second carbon potential signal input interface 42 is used to input the second carbon potential in furnace atmosphere
The content of gas, the second carbon potential gas are one kind in oxygen and carbon dioxide；The second CO signals input
Interface 43 is used to input the content of the carbon monoxide in furnace atmosphere；The second carbon potential output interface 44 exports second carbon
The carbon potential that gesture calculation unit 4 calculates.
The mode setting unit 2 is believed respectively with the first carbon potential signal input interface 32, first carbon monoxide
Number input interface 33, the second carbon potential signal input interface 42 and the second CO signals input interface 43 connect；
The mode setting unit is used to make following selection：1. the type of selection the first carbon potential gas, optional first carbon potential
The type of gas includes oxygen and carbon dioxide；2. selection the first CO signals input interface 33 is defeated in which way
Enter content of the carbon monoxide in furnace atmosphere, optional mode includes fixed value input mode and dynamic value input mode, fixed
Value input mode refers to one fixed value of the input of the first CO signals input interface 33 as carbon monoxide in stove
Content in atmosphere；Dynamic value input mode refers to that the first CO signals input interface 33 inputs connected to it one
Carbonoxide probe detection to furnace atmosphere in carbon monoxide content as input value；3. selection the second carbon potential gas
Type, the type of optional second carbon potential gas includes oxygen and carbon dioxide；4. selection second CO signals
Input interface 43 inputs content of the carbon monoxide in furnace atmosphere in which way, and optional mode includes fixed value input mode
And dynamic value input mode, fixed value input mode refer to that the first CO signals input interface 43 inputs a fixation
It is worth the content as carbon monoxide in furnace atmosphere；Dynamic value input mode refers to that the second CO signals input connects
Mouthfuls 43 input carbon monoxide probe detections connected to it to furnace atmosphere in carbon monoxide content as input value.
The master controller in the present embodiment further includes carbon potential comparing unit 5, the carbon potential comparing unit 5 respectively with institute
It states the first carbon potential calculation unit 3 and second carbon potential calculation unit 4 to connect, the carbon potential comparing unit 5 is exported including deviation alarm
Interface 51, the carbon potential comparing unit 5 are used to calculate carbon potential and second carbon that the first carbon potential calculation unit 3 calculates
The absolute value of difference between the carbon potential that gesture calculation unit 4 calculates, when the value is more than default warning value, the deviation alarm
Output interface 51 sends out deviation alarm signal.The carbon potential comparing unit 5 can compare the first carbon potential calculation unit 3 and institute
State the deviation between the carbon potential value that respectively calculates of the second carbon potential calculation unit 4, so as to the accuracy of carbon potential result of calculation into
Row verification so that the characterization of carbon potential is more accurately and reliably.
When the deviation alarm output interface 51 does not send out deviation alarm signal, illustrate the first carbon potential calculation unit
3 carbon potentials calculated and the difference of carbon potential that second carbon potential calculation unit 4 is calculated are smaller, show carbon potential result of calculation
Prepare reliable；Conversely, when the deviation alarm output interface 51 sends out deviation alarm signal, illustrate the first carbon potential calculation
Difference between the carbon potential that the carbon potential and second carbon potential calculation unit 4 that unit 3 calculates are calculated is excessive, can not obtain
Accurate carbon potential is calculated as a result, it is desirable to be recalculated to carbon potential.
The operation principle of carbon potential exerciser in the present embodiment is as follows：
The input parameter that the first carbon potential calculation unit 3 is calculated needed for the carbon potential of furnace atmosphere includes the temperature of furnace atmosphere
Carbon monoxide content in the content and furnace atmosphere of the first carbon potential gas in angle value, furnace atmosphere, above three parameter point
Do not pass through the first temperature signal input interface 31, the first carbon potential signal input interface 32 and the first CO signals input interface
33 inputs, the calculation procedure that input parameter is worked out through first carbon potential calculation unit 3 inside directly calculate carbon potential, and described the
The voltage signal of one carbon potential output interface 34 output 1-5v is exported as standard carbon potential signal.
The first temperature signal input interface 31, the first carbon potential signal input interface 32 and the one one oxidation
Carbon signal input interface 33 obtains the mode of respective input parameter：The first temperature signal input interface 31 is with being arranged on stove
Interior temp probe connection, to obtain the temperature value of furnace atmosphere；The selection of first carbon potential signal input interface 32 and setting
Oxygen probe or carbon dioxide probe connection in stove, to obtain the content of the first carbon potential gas in furnace atmosphere, when
When the selection of first carbon potential signal input interface 32 is connected with oxygen probe, the content of the first carbon potential gas of input is stove
In oxygen in atmosphere content, when the first carbon potential signal input interface 32 selection is connected with carbon dioxide probe,
Content of the content of first carbon potential gas of input for the carbon dioxide in atmosphere in stove, is specifically chosen and sets list by the pattern
Member 2 is set；It protects the first CO signals input interface 33 to connect with the carbon monoxide probe being arranged in stove, when in stove
Carbon monoxide content fix and content known to when, the first CO signals input interface 33 can select to directly input this
Fixed value is as input value；Otherwise the selection of the first CO signals input interface 33 input carbon monoxide probe detection arrives
Furnace atmosphere in carbon monoxide content as input value, be specifically chosen and set by the mode setting unit 2.
Similarly, second carbon potential calculation unit 4 calculates input parameter needed for the carbon potential of furnace atmosphere respectively by the
Two temperature signal input interfaces 41, the second carbon potential signal input interface 42 and the second CO signals input interface 43 input,
The calculation procedure that input parameter is worked out through second carbon potential calculation unit, 4 inside directly calculates carbon potential, second carbon potential
The voltage signal that output interface 44 exports 1-5v is exported as standard carbon potential signal.Similarly, it is exported if necessary to more carbon potentials,
More carbon potential calculation units can also be set.
When first carbon potential calculation unit 3 has carbon potential output with second carbon potential calculation unit 4, the carbon potential
Comparator 5 calculates the absolute value of the difference of two carbon potentials, if the value is more than a certain default warning value, the carbon potential compares
The 51 output bias alarm signal of warning output interface of device 5.
In a preferred embodiment, the first carbon potential calculation unit further includes the first ammonia signal input interface 35,
Second carbon potential calculation unit further includes the second ammonia signal input interface 45, the first ammonia signal input interface 35 and
The second ammonia signal input interface 45 is used to input the content of the ammonia in the furnace atmosphere respectively.Increase ammonia level
This input parameter can increase the accuracy of carbon potential calculation.
The description with certain particularity detailed enough has been carried out to the present invention above.Ordinary skill in fields
Personnel are it should be understood that the description in embodiment is only exemplary, before without departing from true spirit and scope of the present invention
Put make it is all change should all belong to the scope of protection of the present invention.Scope of the present invention is by the power
It is that sharp claim is defined rather than limited by the foregoing description in embodiment.
Claims (6)
1. a kind of carbon potential exerciser, it is characterised in that：It includes master controller and mode setting unit, and the master controller uses
Programmable logic controller (PLC), the master controller include the first carbon potential calculation unit and the second carbon potential calculation unit；
The first carbon potential calculation unit includes the first temperature signal input interface, the first carbon potential signal input interface, the 1st
Carbonoxide signal input interface and the first carbon potential output interface；The first temperature signal input interface is used to input furnace atmosphere
Temperature value, the first carbon potential signal input interface is described for inputting content of the first carbon potential gas in furnace atmosphere
For inputting content of the carbon monoxide in furnace atmosphere, the first carbon potential output connects first CO signals input interface
Mouth is used to export the carbon potential that the first carbon potential calculation unit calculates；
The second carbon potential calculation unit includes second temperature signal input interface, the second carbon potential signal input interface, the 2nd 1
Carbonoxide signal input interface and the second carbon potential output interface, the second temperature signal input interface are used to input furnace atmosphere
Temperature value, the second carbon potential signal input interface is described for inputting content of the second carbon potential gas in furnace atmosphere
Second CO signals input interface is used to input content of the carbon monoxide in furnace atmosphere；The second carbon potential output connects
Mouth is used to export the carbon potential that the second carbon potential calculation unit calculates；
The mode setting unit respectively with the first carbon potential signal input interface, the first CO signals input interface,
Second carbon potential signal input interface and the connection of the second CO signals input interface；
The mode setting unit is used for：Select the type of the first carbon potential gas, the type packet of the first carbon potential gas
Include oxygen and carbon dioxide；The first CO signals input interface is selected to obtain carbon monoxide containing in furnace atmosphere
The mode of amount, the mode that the first CO signals input interface obtains content of the carbon monoxide in furnace atmosphere include
Fixed value input mode and dynamic value input mode；The type of the second carbon potential gas is selected, the second carbon potential gas
Type includes oxygen and carbon dioxide；The second CO signals input interface is selected to obtain carbon monoxide in furnace atmosphere
In content mode, the second CO signals input interface obtains the side of content of the carbon monoxide in furnace atmosphere
Formula includes fixed value input mode and dynamic value input mode.
2. carbon potential exerciser as described in claim 1, it is characterised in that：The master controller further includes carbon potential comparing unit,
The carbon potential comparing unit calculates unit with first carbon potential respectively and the second carbon potential calculation unit is connect, and the carbon potential compares
Unit is used to obtain the carbon that the carbon potential that the first carbon potential calculation unit calculates is calculated with second carbon potential calculation unit
The absolute value of difference between gesture.
3. carbon potential exerciser as claimed in claim 2, it is characterised in that：The carbon potential comparing unit is exported including deviation alarm
Interface, when between the carbon potential that the carbon potential and second carbon potential calculation unit that first carbon potential calculation unit calculates calculate
The absolute value of difference when being more than default warning value, the deviation alarm output interface output bias alarm signal.
4. carbon potential exerciser as described in any one of claims 1 to 3, which is characterized in that the first carbon potential calculation unit is also
Including the first ammonia signal input interface, the first ammonia signal input interface is for inputting ammonia containing in furnace atmosphere
Amount；The second carbon potential calculation unit further includes the second ammonia signal input interface, and the second ammonia signal input interface is used
In content of the input ammonia in furnace atmosphere.
5. carbon potential exerciser as described in any one of claims 1 to 3, it is characterised in that：The first carbon potential output interface and
The voltage signal of the second carbon potential output interface output 1-5V.
6. carbon potential exerciser as described in any one of claims 1 to 3, it is characterised in that：The first carbon potential output interface and
The current signal of the second carbon potential output interface output 4-20mA.
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| CN201510784703.2A CN105369188B (en) | 2015-11-16 | 2015-11-16 | A kind of carbon potential exerciser |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510784703.2A CN105369188B (en) | 2015-11-16 | 2015-11-16 | A kind of carbon potential exerciser |
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| CN105369188A CN105369188A (en) | 2016-03-02 |
| CN105369188B true CN105369188B (en) | 2018-06-08 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202453755U (en) * | 2011-12-31 | 2012-09-26 | 江苏丰东热技术股份有限公司 | Heating furnace control system |
| CN202717834U (en) * | 2012-08-16 | 2013-02-06 | 南京科达新控仪表有限公司 | Carbon potential control system |
| CN205223332U (en) * | 2015-11-16 | 2016-05-11 | 江苏丰东热技术股份有限公司 | Carbon gesture exerciser |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5428031B2 (en) * | 2001-06-05 | 2014-02-26 | Ｄｏｗａサーモテック株式会社 | Carburizing method and apparatus |
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- 2015-11-16 CN CN201510784703.2A patent/CN105369188B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202453755U (en) * | 2011-12-31 | 2012-09-26 | 江苏丰东热技术股份有限公司 | Heating furnace control system |
| CN202717834U (en) * | 2012-08-16 | 2013-02-06 | 南京科达新控仪表有限公司 | Carbon potential control system |
| CN205223332U (en) * | 2015-11-16 | 2016-05-11 | 江苏丰东热技术股份有限公司 | Carbon gesture exerciser |
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| CN105369188A (en) | 2016-03-02 |
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Effective date of registration: 20180108 Address after: Nanxiang Road 224100 Jiangsu province Yancheng City Dafeng Economic Development Zone No. 333 Applicant after: Jiangsu Dong Feng Technology Co., Ltd. Address before: Nanxiang Road 224199 Jiangsu province Yancheng City economic and Technological Development Zone No. 333 Applicant before: Jiangsu Fengdong Thermal Technology Co., Ltd. |
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Address after: 224100 No. 333 Nanxiang Road, Yancheng City economic and Technological Development Zone, Dafeng District, Jiangsu Patentee after: Jiangsu Dong Feng Technology Co., Ltd. Address before: 224100 Nanxiang Road 333, Dafeng Economic Development Zone, Yancheng City, Jiangsu Patentee before: Jiangsu Dong Feng Technology Co., Ltd. |