CN108318517A - Change the heat analysis method and device for stablizing heating based on sample parameters - Google Patents
Change the heat analysis method and device for stablizing heating based on sample parameters Download PDFInfo
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- CN108318517A CN108318517A CN201711333872.XA CN201711333872A CN108318517A CN 108318517 A CN108318517 A CN 108318517A CN 201711333872 A CN201711333872 A CN 201711333872A CN 108318517 A CN108318517 A CN 108318517A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/20—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity
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Abstract
The invention discloses change the heat analysis method and device for stablizing heating based on sample physical-property parameter, after reaching temperature acquisition point in the heated journey of sample, stop heating, keep the collection point temperature, after the physical-property parameter of institute's test sample is stablized, just continue to be heated to next temperature acquisition point.The residence time is predeterminable after temperature gradient between adjacent temperature acquisition point, heating rate and balance.Compared to traditional heat analysis method, the physical-property parameter of each temperature acquisition point sample can be more accurately obtained, overcomes the problems, such as adjacent temperature acquisition point signal overlap.Using the heating mode of parameter stability, more material informations can be obtained, as the parameter of surveying of each temperature spot changes with time.The delay issue that conducts heat because of sample and caused by measuring gimmick will solve, and can improve test repeatability energy.Especially in thermal decomposition process, in single temperature acquisition point, the type and property of sample volatiles are more simple, are conducive to subsequent detection.
Description
Technical field
The present invention relates to heat analysis technical field of measurement and test, and in particular, to one kind stablizing heating based on sample parameters variation
Heat analysis method and device.
Background technology
Thermoanalysis technology is widely used in the various transformations and reaction of research material, such as dehydration, crystallization-melting, evaporation, phase transformation
Deng and various inorganic and organic materials thermal decomposition process and kinetics problem etc., be a kind of very important analysis survey
Method for testing.The essence of heat analysis is after being heated based on test sample, to measure the parameters such as its thermodynamics or physical property with temperature
(time) changes.
Traditional thermoanalysis technology is based on the control heating of preset temperature program(me).During heating, sample is each
Thermodynamic parameter or the physical parameter variation of temperature acquisition point are different.Meanwhile it is the dosage of sample, grain size, state, hot
It conducts heat and postpones caused by matter and type of feed etc., test result is influenced very big.Often under some temperature acquisition point, parameter shape
State variation is not completed, and heats up next temperature acquisition point, the parameter state variable signal of adjacent temperature acquisition point will weigh
It folds, especially the compound of substance complexity.Even if accurately analyzing each temperature using hardly possible if difference quotient and the processing method of swarming to adopt
Collect the slight change of point.If using the heating mode of pole at a slow speed, but the property of test sample is different, needed for each temperature spot
Time Inconsistency, testing time are very very long.
Invention content
It is an object of the present invention in view of the above-mentioned problems, propose a kind of heat point for changing based on sample parameters and stablizing heating
Method and apparatus are analysed, according to the physical property of tested sample, more accurately obtain what physical property changed with temperature (time)
Information.
To achieve the above object, the technical solution adopted by the present invention is：
Change the heat analysis method for stablizing heating based on sample physical-property parameter, in temperature acquisition point according to sample physics
Whether nature parameters variation tends towards stability, and judges whether to continue heat temperature raising, specially if the variation of physical-property parameter becomes
In stabilization, then continue to heat to next temperature acquisition point.
Further, the physical-property parameter is quality, temperature, heat content changing value, size, mechanical property parameter, sound
Learn characterisitic parameter, optical property parameter or electricity and magnetism characteristic parameter etc..
It is a kind of to change the apparatus for thermal analysis for stablizing heating based on sample physical-property parameter, include mainly：For to sample
The heating device heated；It is used to monitor sample physical-property parameter changes the monitoring whether to tend towards stability during heating
Device；The heating device is connect with monitoring device, and the control of device monitored, if specially in temperature acquisition point sample
Physical-property parameter variation tends towards stability, then monitoring device control heating device continues to heat, otherwise control heating device maintains
The temperature acquisition point temperature.
Further, the monitoring device includes measuring device, the physical quantity for measuring and sending heating process sample；
Further include controller, acquire and handle the physical quantity signal of sample, obtain the delta data of sample physical-property parameter, judging should
Whether variation tends towards stability；If the physical-property parameter variation of sample tends towards stability, controller control heating device after
Continuous heating.
Further, the sample physical-property parameter is quality.
Further, the sample physical-property parameter is temperature.
Further, the sample physical-property parameter can also be heat content changing value, size, mechanical property parameter, acoustics
Characterisitic parameter, optical property parameter or electricity and magnetism characteristic parameter etc..
Further, the measuring device is the balance for measuring quality physical quantity.
Further, the measuring device is the thermocouple for measuring temperature physical quantity.
Further, the monitoring device is for monitoring sample temperature difference of sample and reference substance in temperature sampling point
No stabilization.
Various embodiments of the present invention change the heat analysis method for stablizing heating based on sample parameters, in the heated journey of sample
In, after reaching temperature acquisition point, stop heating, keep the collection point temperature, waits for that the physical-property parameter of institute's test sample is stablized
Afterwards, just continue to be heated to next temperature acquisition point.Stop after temperature gradient between adjacent temperature acquisition point, heating rate and balance
Stay the time predeterminable.Compared to traditional heat analysis method, the physical of each temperature acquisition point sample can be more accurately obtained
Matter parameter overcomes the problems, such as adjacent temperature acquisition point signal overlap.Using the heating mode of parameter stability, can obtain more
Material information, as the parameter of surveying of each temperature spot changes with time.It conducts heat and postpones because of sample and caused by measuring gimmick
Problem will solve, and can improve test repeatability energy.Especially in thermal decomposition process, in single temperature acquisition point, sample pyrolysis
The type and property of volatile matter are more simple, are conducive to subsequent detection.
Other features and advantages of the present invention will be illustrated in the following description, also, partly becomes from specification
It obtains it is clear that understand through the implementation of the invention.
Below by drawings and examples, technical scheme of the present invention will be described in further detail.
Description of the drawings
Attached drawing is used to provide further understanding of the present invention, and a part for constitution instruction, the reality with the present invention
It applies example to be used to explain the present invention together, not be construed as limiting the invention.In the accompanying drawings：
Fig. 1 is the heating mode schematic diagram described in the embodiment of the present invention；
Fig. 2 is differential scanning calorimetry of the present invention (DSC) principle schematic；
Fig. 3 is thermogravimetry (TG) principle schematic；
Fig. 4 is oxalic acid hydrate calcium TG curves；
Fig. 5 is the differential thermal curve of aphthacene.
In conjunction with attached drawing, reference numeral is as follows in the embodiment of the present invention：
1- hot plates；2- sample cells；3- reference substances pond；4- sensors；5- control units；6- thermobalances.
Specific implementation mode
Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings, it should be understood that preferred reality described herein
Apply example only for the purpose of illustrating and explaining the present invention and is not intended to limit the present invention.
In each temperature acquisition point stabilization process, physical properties parameter can change over time, but finally can become
In balance, if heated up once again after balance, the property of next temperature acquisition point is measured, the accurate of measurement will be greatly improved
Property.
Heat analysis --- physics, the chemical change of process is heated or cooled.It is that measurement of species is physical under temperature programmed control
The general designation of matter and a kind of method of temperature relation.Temperature programmed control refers to linear temperature increase or cooling, also includes constant temperature, cycle or non-
Linear temperature increase, cooling.Substance refers to the reaction product of sample and (or) sample, including intermediate product.Physical property includes matter
Amount, temperature, heat content variation, size, mechanical property, acoustic characteristic, optical characteristics, electricity and magnetism characteristic etc..
Heat analysis main method includes：
Such as Fig. 4, thermogravimetry：Sample is placed in the environment that program is controllably heated or cooled, measures the quality of sample
Change the method mapped to temperature or time.Record is known as thermogravimetric curve, the variation of longitudinal axis representing sample quality.
Differential thermal analysis：Sample and reference substance (neutral body) are placed in identical heating condition, measure the two temperature difference pair
Temperature or the method for time mapping.Record is known as differential thermal curve.
Differential scanning calorimetry：Sample and reference substance are placed in identical heating condition, under temperature programmed control, measure sample with
When the temperature difference of reference substance remains zero, method of the required energy to temperature or time mapping.Record is known as differential scanning
Calorimetric curve.
Thermo-mechanical analysis：A kind of side that specimen size variation maps to temperature or time is measured in temperature programmed control environment
Method.Longitudinal axis representing sample change in size, record claim thermal dilatometry.(dimension variation, deformation, viscoplasticity, the phase for measuring sample turn
Become, density)
In addition there are dielectric analysis：(ion is viscous for main Measuring Dielectric Constant, fissipation factor, electric conductivity, resistivity
Degree), cure index (crosslinking degree) etc..
Method that thermal conductivity factor instrument hot-fluid is sent out, laser shines
Embodiment one：
The operation principle applied to differential scanning calorimeter is described as follows in conjunction with Fig. 1, Fig. 2, differential thermal analysis (DTA) be
Under programed temperature, a kind of method of the temperature difference and temperature relation of measurement of species and reference substance.When any object occurs for sample
Reason or when chemical change, the temperature that the heat for discharge or absorbing makes specimen temperature higher or lower than reference substance, thus correspondingly
Heat release or endothermic peak can be obtained on differential thermal curve.Differential thermal analysis can also measure the thermal capacitance variation of sample, it is on differential thermal curve
Reflect the deviation of baseline.
In the heated journey of sample, reach temperature acquisition point T1Afterwards, stop heating, keep collection point temperature T1, measure
It is input to the difference power (as in the form of heat) of sample and reference substance, sensor collects the signal of balance (i.e. stable), control
Unit controls electric furnace heating, and sample is made to be heated to next temperature acquisition point T2。
Such as in aphthacene differential thermal curve, controller is controlled with the heating speed control of 10 DEG C/min and 80 DEG C/min respectively
Its heating process reaches curve and reaches the subsequent temperature of continuing rising of balance, studies its fuel factor.Influence of the heating rate to resolution ratio can be from
Figure below is found out.When heating rate is 10 DEG C/min, there are two apparent endothermic peak (figure a) on curve, and heating rate is 80
DEG C/min when, only there are one endothermic peak (figure b) on curve, it is clear that the latter's heating is too fast to make two peak complete-superposings.
The key element of differential thermal analysis.
--- high temperature difference electromotive force is generated, with the variation of temperature line relationship；
--- can measure compared with temperature, temperature-measuring range is wide, is used for a long time without physics, chemical change, resistance to oxidation under high temperature, resistance to
Corrosion；
--- specific resistance is small, thermal coefficient is big；
--- temperature-coefficient of electrical resistance and heat absorption capacity coefficient are smaller；
--- enough mechanical strengths, affordable.
Copper constantan (500 DEG C 350 DEG C long-term/short-term), iron-constantan (600/800 DEG C), chromel-alumel (1000/1300
DEG C), platinum-platinum rhodium (1300/1600 DEG C), iridium-iridium rhodium (1800/>2000℃)
1. reference substance：
Without fuel factor in entire temperature-measuring range；
Specific heat, thermal conductivity, granularity (crossing 100-300 mesh sieve) are as close with sample as possible；
Common α-Al2O3(high-purity alumina powder burnt through 1450 DEG C of satin, fusing point are up to 2050 DEG C)；
Reference substance is stable in research temperature range, while requiring reference substance with sample in thermal property, quality, density
Etc. identical.
Practical above-mentioned condition cannot be fully met, in order to obtain with zero curve as close possible to baseline, selection led with sample
The reference substance of hot coefficient similar.
2. sample:
Dosage is suitable for (less full)；Granularity, loading density close with reference substance (should be especially contrast experiment, should more protect
It is consistent with type of feed to hold granularity, dosage)
To ensure consistency, often adding appropriate reference substance makes sample dilute.
Go out peak temperature, peak valley number, shapes and sizes, and the source of combination sample and other points by analyzing differential thermal curve
Analysis data, it is possible to identify go out mineral, the phase transformation etc. in raw material or product.
The analysis of key of differential thermal curve is exactly to explain each peak valley Producing reason on differential thermal curve.
Embodiment two：
In fig. 2, in conjunction with Fig. 1, Fig. 3, the operation principle applied to thermogravimetric analyzer is described as follows, when sample is heated
In the process, reach temperature acquisition point T1Afterwards, stop heating, keep collection point temperature T1；There is liter after measured matter absorbs heat
China, when vaporizing, decompositing gas or lose the crystallization water, tested material mass will change.Wait for the day of thermogravimetric analyzer
After average weighing apparatus, (controller can be microcontroller or programmable controller to control unit.) control electric furnace heating, so that sample is heated
To next temperature acquisition point T2。
In conjunction with Fig. 5, such as in the thermal decomposition characteristic for measuring oxalic acid hydrate calcium, then controller control heating device is Celsius from 20
Degree is heated to during 500 degrees Celsius, and the quality of thermobalance test constantly sample transmits the signal to controller, controller
According in this section of temperature range, some temperature acquisition point whether balance, to judge whether to continue to heat, such as work as heating
When to 100 degrees Celsius, start dehydration, after dehydration mass balance, continue to be heated to 200 degrees Celsius, starts to decompose carbon monoxide, point
After solution reaches balance, continues heating and finished until decomposing.
Embodiment three：
Temperature acquisition point, heating rate (heating rate of corresponding embodiment one) between the adjacent temperature acquisition point of the present invention
And the residence time is predeterminable after balance, that is to say, that controller can be realized to heating device by the setting of director demon
Control, shorten or extend the heating process time, can also increase or shorten the time of equilibrium state.
Such as when needing that sample temperature is made to reach 100 DEG C in a short time, then pass through the heating power for changing heating device
Shorten heating time, improves heating speed；
Need to lengthen the residence time of the equilibrium state after parameter balance (stabilization), then controller control heating device is protected
It is constant to hold the heating temperature.
The device of the invention or method after reaching temperature acquisition point, stop adding immediately in the heated journey of sample
Heat keeps the collection point temperature, after the thermodynamic parameter or physical parameter tested are in stable condition, just continues to be heated to next
Temperature acquisition point.Using the heating mode of parameter stability, the test parameter of each temperature acquisition point can be more accurately measured
State change, to obtain more physical property information.
Following advantageous effect can at least be reached：
Compared to traditional heat analysis method, the state of matter parameter of each temperature acquisition point can be more accurately obtained,
Overcome the problems, such as adjacent temperature acquisition point signal overlap.Using the heating mode of parameter stability, more substance letters can be obtained
Breath, as the parameter of surveying of each temperature spot changes with time.Delay issue is conducted heat because of sample and caused by measuring gimmick will
It solves, test repeatability energy can be improved.In single temperature acquisition point, the type and property of sample releaser are more simple, have
Conducive to subsequent detection.
Finally it should be noted that：The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
With technical scheme described in the above embodiments is modified or equivalent replacement of some of the technical features.
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in the present invention's
Within protection domain.
Claims (10)
1. changing the heat analysis method for stablizing heating based on sample physical-property parameter, which is characterized in that in temperature acquisition point root
Whether tend towards stability according to the variation of sample physical-property parameter, judge whether to continue heat temperature raising, specially if physical property is joined
Several variations tend towards stability, then continue to heat to next temperature acquisition point.
2. according to claim 1 change the heat analysis method for stablizing heating, feature based on sample physical-property parameter
It is, the physical-property parameter is quality, temperature, heat content changing value, size, mechanical property parameter, acoustics parameters, light
Learn characterisitic parameter or electricity and magnetism characteristic parameter etc..
3. utilizing the apparatus for thermal analysis of claim 2 the method, which is characterized in that include adding for what is heated to sample
Thermal；It is used to monitor sample physical-property parameter changes the monitoring device whether to tend towards stability during heating；It is described to add
Thermal is connect with monitoring device, and the control of device monitored, specially in temperature acquisition point, if the physical property ginseng of sample
Number variation tends towards stability, then monitoring device control heating device continues to heat, otherwise control heating device maintains the temperature acquisition
Point temperature.
4. apparatus for thermal analysis according to claim 3, which is characterized in that the monitoring device includes measuring device, is used for
Measure and send the physical quantity of heating process sample；Further include controller, acquires and handle the physical quantity signal of sample, obtain sample
The delta data of product physical-property parameter, judges whether the variation tends towards stability；If the physical-property parameter variation of sample tends to
Stablize, then the controller control heating device continues to heat.
5. apparatus for thermal analysis according to claim 4, which is characterized in that the sample physical-property parameter is quality.
6. apparatus for thermal analysis according to claim 4, which is characterized in that the sample physical-property parameter is temperature.
7. apparatus for thermal analysis according to claim 2, which is characterized in that the sample physical-property parameter can also be heat content
Changing value, size, mechanical property parameter, acoustics parameters, optical property parameter or electricity and magnetism characteristic parameter etc..
8. apparatus for thermal analysis according to claim 5, which is characterized in that the measuring device is for measuring quality physics
The thermobalance of amount.
9. apparatus for thermal analysis according to claim 6, which is characterized in that the measuring device is for measuring temperature physics
The thermocouple of amount.
10. apparatus for thermal analysis according to claim 9, which is characterized in that the monitoring device is for monitoring sample in temperature
Whether the temperature difference of sample and reference substance is stablized when spending sampled point.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109945994A (en) * | 2019-04-15 | 2019-06-28 | 中国计量大学 | A kind of accelerating calorimeter heat-insulating property evaluation method based on joule heating effect |
| JP2020101462A (en) * | 2018-12-21 | 2020-07-02 | 国立研究開発法人産業技術総合研究所 | Measuring method and measuring apparatus for specific heat and enthalpy variation |
| CN111812148A (en) * | 2020-07-16 | 2020-10-23 | 重庆科技学院 | Thermal stability test method and system for PVC (polyvinyl chloride) of high-voltage cable outer sheath |
| CN112415050A (en) * | 2020-11-13 | 2021-02-26 | 石河子大学 | Mutton adulteration qualitative discrimination method based on temperature distribution difference |
| CN117452191A (en) * | 2023-12-22 | 2024-01-26 | 威科电子模块（深圳）有限公司 | High temperature resistance test method and system for realizing thick film circuit board based on deep learning |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101086485A (en) * | 2006-06-05 | 2007-12-12 | 精工电子纳米科技有限公司 | Thermal analyzer |
| CN101710054A (en) * | 2009-12-09 | 2010-05-19 | 莱芜钢铁股份有限公司 | Measurement method and measurement device of coke reactivity |
-
2017
- 2017-12-14 CN CN201711333872.XA patent/CN108318517A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101086485A (en) * | 2006-06-05 | 2007-12-12 | 精工电子纳米科技有限公司 | Thermal analyzer |
| CN101710054A (en) * | 2009-12-09 | 2010-05-19 | 莱芜钢铁股份有限公司 | Measurement method and measurement device of coke reactivity |
Non-Patent Citations (1)
| Title |
|---|
| J. PAULIK等: "quasi-isothermal thermogravimetry", 《ANALYTICA CHIMICA ACTA》 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020101462A (en) * | 2018-12-21 | 2020-07-02 | 国立研究開発法人産業技術総合研究所 | Measuring method and measuring apparatus for specific heat and enthalpy variation |
| JP7250268B2 (en) | 2018-12-21 | 2023-04-03 | 国立研究開発法人産業技術総合研究所 | How to measure specific heat and enthalpy change |
| CN109945994A (en) * | 2019-04-15 | 2019-06-28 | 中国计量大学 | A kind of accelerating calorimeter heat-insulating property evaluation method based on joule heating effect |
| CN111812148A (en) * | 2020-07-16 | 2020-10-23 | 重庆科技学院 | Thermal stability test method and system for PVC (polyvinyl chloride) of high-voltage cable outer sheath |
| CN112415050A (en) * | 2020-11-13 | 2021-02-26 | 石河子大学 | Mutton adulteration qualitative discrimination method based on temperature distribution difference |
| CN112415050B (en) * | 2020-11-13 | 2024-01-23 | 石河子大学 | Mutton mixing supposition discriminating method based on temperature distribution difference |
| CN117452191A (en) * | 2023-12-22 | 2024-01-26 | 威科电子模块（深圳）有限公司 | High temperature resistance test method and system for realizing thick film circuit board based on deep learning |
| CN117452191B (en) * | 2023-12-22 | 2024-04-12 | 威科电子模块（深圳）有限公司 | High temperature resistance test method and system for realizing thick film circuit board based on deep learning |
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