CN201210148Y - Thermal analysis sample cup using armored thermocouple temperature sensor - Google Patents
Thermal analysis sample cup using armored thermocouple temperature sensor Download PDFInfo
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- CN201210148Y CN201210148Y CNU2008200744100U CN200820074410U CN201210148Y CN 201210148 Y CN201210148 Y CN 201210148Y CN U2008200744100 U CNU2008200744100 U CN U2008200744100U CN 200820074410 U CN200820074410 U CN 200820074410U CN 201210148 Y CN201210148 Y CN 201210148Y
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- temperature sensor
- thermocouple temperature
- thermal analysis
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- sample cup
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Abstract
A thermal analysis sample cup with an armored thermocouple temperature sensor comprises a base, an armored thermocouple temperature sensor, a cup body and a high-temperature resistant protective casing, wherein, the armored thermocouple temperature sensor is vertically fixed on the central part of the top surface of the base, and an anode contact and a cathode contact on the lower end are connected with a thermal analyzer which is used as a measuring instrument; the upper end of the high-temperature resistant protective casing is in a closed state and the lower part is vertically inserted into and fixed on the bottom central part of the cup body; the interior of the cup body forms a metal melt solidification chamber which is detachably arranged on the top surface of the base through a positioning guide pole. The thermal analysis sample cup with the armored thermocouple temperature sensor of the utility model enables the repeated use of the armored thermocouple temperature sensor, largely saves the consumed non-renewable resources for manufacturing the temperature sensor such as nickel, platinum, and the like, and eliminates the dispersion error among different batch numbers of thermocouple materials, thereby greatly improving the precision of thermal analysis measurement.
Description
Technical field
The utility model relates to a kind of sample cup for thermal analysis, particularly relates to a kind of sample cup for thermal analysis that uses the armoured thermocouple temperature sensor.
Background technology
Sample cup for thermal analysis is a kind of in the carbon content of analyzing molten steel, is used to measure the sensor of solidification of metal melt process phase transition temperature in the test of physical and chemical indexes such as the silicone content of the carbon equivalent of molten iron, carbon content, silicone content, degree of supercooling, nodularization rate, nodulizing rate and aluminium water, content of magnesium, eutectic degree, degree of supercooling.Fig. 1 is a sample cup for thermal analysis structure cut-open view commonly used at present.As shown in Figure 1, this sample cup for thermal analysis mainly comprises: base 1, cup 2, disposable thermocouple temperature sensor 3 and high-temperature insulation sleeve pipe 4; Wherein cup 2 is installed on the end face of base 1, its inner solidification of metal melt chamber 5 that forms; Disposable thermocouple temperature sensor 3 is installed in the bottom outlet of cup 2, and its positive and negative electrode contact 8 links to each other with temperature compensation wire joining on the base 1, and joins by temperature compensation lead 6 and the not shown thermal analyzer as surveying instrument; High-temperature insulation sleeve pipe 4 then is enclosed within the outside of disposable thermocouple temperature sensor 3.When utilizing this sample cup for thermal analysis to measure, at first need metal bath to be measured is poured in the solidification of metal melt chamber 5 of sample cup for thermal analysis, until the 90-100% that reaches solidification of metal melt chamber 5 volumes, at this moment, the pair-point that is arranged in disposable thermocouple temperature sensor 3 upper ends can change the series of temperature of solidification of metal melt process and converts electric signal to and send thermal analyzer to by temperature compensation lead 6.Thermal analyzer is then drawn the solidification of metal melt temperature curve and is caught out the phase change characteristics temperature value according to these measured values, determines the relevant physical and chemical indexes of metal to be measured with this.But, there is following point in the sample cup for thermal analysis of this prior art: as mentioned above, because cup 2, disposable thermocouple temperature sensor 3 and high-temperature insulation sleeve pipe 4 are fixed together, after the off-test, Metal Melting cognition is set in the inside of cup 2 and is frozen into one with high-temperature insulation sleeve pipe 4, and therefore this sample cup for thermal analysis can only use once just needs whole abandoning.Because above-mentioned disposable thermocouple temperature sensor 3 is by making such as non-renewable resources such as nickel, platinum, therefore disposable use not only needs to consume in large quantities these resources, and all can there be the dispersed error in the allowed band in the thermocouple material of different lot numbers, thereby becomes the bottleneck that improves hot analysis to measure precision.
Summary of the invention
In order to address the above problem, the purpose of this utility model be to provide a kind of semi-permanent mould, can reusable temperature sensor, therefore non-renewable resources can be saved in large quantities, and the sample cup for thermal analysis of the use armoured thermocouple temperature sensor of measuring accuracy can be improved.
In order to achieve the above object, the sample cup for thermal analysis of the use armoured thermocouple temperature sensor that provides of the utility model mainly comprises base, armoured thermocouple temperature sensor, cup and high temperature resistant protective casing; Wherein the armoured thermocouple temperature sensor is vertically fixed on the end face centre of base, and the positive and negative electrode contact of its lower end links to each other with thermal analyzer as surveying instrument by the temperature compensation lead; The upper end of high temperature resistant protective casing is closed state, the vertical bottom center position that is fixed on cup of inserting, its underpart; The inside of cup forms the solidification of metal melt chamber, and it is installed on the end face of base by positioning guide column removably.
The temperature measuring positions of described high temperature resistant protective casing and armoured thermocouple temperature sensor is in the height and position of sample cup for thermal analysis axial 2/5-3/5 and center radially.
Described high temperature resistant protective casing is by good heat conductivity, and metal material and nonmetallic materials that deformation does not take place under the expansion of the high temperature of melt, the contraction of solidifying, phase transformation are made.
The sample cup for thermal analysis of the use armoured thermocouple temperature sensor that the utility model provides can make the armoured thermocouple temperature sensor reuse, therefore not only can save non-renewable resources such as the manufacturing nickel that temperature sensor consumed, platinum in large quantities, but also the dispersed error problem that the thermocouple material that can eliminate different lot numbers exists, thereby can improve the duplicate measurements precision of sample cup for thermal analysis.
Description of drawings
Fig. 1 is a sample cup for thermal analysis structure cut-open view commonly used at present.
The sample cup for thermal analysis structure cut-open view of the use armoured thermocouple temperature sensor that Fig. 2 provides for the utility model.
Embodiment
The sample cup for thermal analysis of the use armoured thermocouple temperature sensor that the utility model is provided below in conjunction with the drawings and specific embodiments is elaborated.The parts identical with prior art adopt identical drawing reference numeral.
As shown in Figure 2, the sample cup for thermal analysis of the use armoured thermocouple temperature sensor that provides of the utility model mainly comprises base 10, armoured thermocouple temperature sensor 11, cup 2 and high temperature resistant protective casing 13; Wherein armoured thermocouple temperature sensor 11 is vertically fixed on the end face centre of base 10, and the positive and negative electrode contact of its lower end links to each other with the not shown thermal analyzer as surveying instrument by temperature compensation lead 6; The upper end of high temperature resistant protective casing 13 is closed state, the vertical bottom center position that is fixed on cup 2 of inserting, its underpart; The inside of cup 2 forms solidification of metal melt chamber 5, and it is installed on the end face of base 10 by positioning guide column 7 removably.
The temperature measuring positions of described high temperature resistant protective casing 13 and armoured thermocouple temperature sensor 11 is in the height and position of sample cup for thermal analysis axial 2/5-3/5 and center radially.
Described high temperature resistant protective casing 13 is by good heat conductivity, and metal material and nonmetallic materials that deformation does not take place under the expansion of the high temperature of melt, the contraction of solidifying, phase transformation are made.
That is, the sample cup for thermal analysis of the use armoured thermocouple temperature sensor that the utility model provides is that armoured thermocouple temperature sensor 11 and base 10 are combined into one, and cup 2 and high temperature resistant protective casing 13 are fixed together.When utilizing this sample cup for thermal analysis to measure; at first will be installed in armoured thermocouple temperature sensor 11 upper ends of lower ending opening secured in alignment on base 10 of the high temperature resistant protective casing 13 on the cup 2; move down cup 2 then; so that high temperature resistant protective casing 13 just in time is enclosed within the outside of armoured thermocouple temperature sensor 11; utilize positioning guide column 7 that cup 2 is fixed on the base 10 afterwards, at this moment just can adopt the mode identical to measure with prior art.After measuring end; cup 2 and high temperature resistant protective casing 13 and the solid metallic sample that is set in 5 inside, solidification of metal melt chamber are separated with base 10 under the guiding of positioning guide column 7 and abandon, just can begin new measurement as long as at this moment change a new cup that high temperature resistant protective casing 13 is installed 2.Because armoured thermocouple temperature sensor 11 is big than the thermal inertia of the disposable thermocouple temperature sensor 3 of prior art, therefore the thermometric response time can prolong.In the case, should select the big armoured thermocouple temperature sensor of little, the inner thermo wires diameter of high temperature resistant protection tube external diameter that is positioned at its outside for use,, thereby improve thermometric response speed with the reduction thermal inertia.In addition, armoured thermocouple temperature sensor 11 should be selected resistant to elevated temperatures protection metal pipe for use, reuses the life-span to prolong it.
Claims (2)
1, a kind of sample cup for thermal analysis that uses the armoured thermocouple temperature sensor is characterized in that: the sample cup for thermal analysis of described use armoured thermocouple temperature sensor mainly comprises base (10), armoured thermocouple temperature sensor (11), cup (12) and high temperature resistant protective casing (13); Wherein armoured thermocouple temperature sensor (11) is vertically fixed on the end face centre of base (10), and the positive and negative electrode contact of its lower end links to each other with thermal analyzer as surveying instrument by temperature compensation lead (6); The upper end of high temperature resistant protective casing (13) is closed state, the vertical bottom center position that is fixed on cup (12) of inserting, its underpart; The inside of cup (12) forms solidification of metal melt chamber (5), and it is installed on the end face of base (10) by positioning guide column (7) removably.
2, the sample cup for thermal analysis of use armoured thermocouple temperature sensor according to claim 1 is characterized in that: the temperature measuring positions of described high temperature resistant protective casing (13) and armoured thermocouple temperature sensor (11) is in the height and position of sample cup for thermal analysis axial 2/5-3/5 and center radially.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200744100U CN201210148Y (en) | 2008-04-14 | 2008-04-14 | Thermal analysis sample cup using armored thermocouple temperature sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200744100U CN201210148Y (en) | 2008-04-14 | 2008-04-14 | Thermal analysis sample cup using armored thermocouple temperature sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201210148Y true CN201210148Y (en) | 2009-03-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200744100U Expired - Lifetime CN201210148Y (en) | 2008-04-14 | 2008-04-14 | Thermal analysis sample cup using armored thermocouple temperature sensor |
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| CN (1) | CN201210148Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106501301A (en) * | 2015-09-07 | 2017-03-15 | 哈尔滨理工大学 | Magnesium iron stokehold heat analysis-eutectic expansion device for fast detecting and detection method |
| CN107144595A (en) * | 2017-06-06 | 2017-09-08 | 南昌大学 | Thermocouple and the repeatable cast aluminium alloy gold Sampling device for thermal analysis utilized of sampling cup |
| CN109521043A (en) * | 2018-12-17 | 2019-03-26 | 邯郸学院 | A kind of electromagnetic heating metal phase diagram experimental method and test tube |
| CN110108745A (en) * | 2019-06-19 | 2019-08-09 | 南京谱德仪器科技有限公司 | A kind of cast iron thermal analysis system based on no tellurium sample cup |
| CN112485306A (en) * | 2020-11-17 | 2021-03-12 | 哈尔滨理工大学 | Method and device for synchronously detecting phase change heat and conductivity change in aluminum alloy melt solidification process |
| CN118091078A (en) * | 2024-04-25 | 2024-05-28 | 中信戴卡股份有限公司 | Aluminum alloy melt quality testing device and detection method |
-
2008
- 2008-04-14 CN CNU2008200744100U patent/CN201210148Y/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106501301A (en) * | 2015-09-07 | 2017-03-15 | 哈尔滨理工大学 | Magnesium iron stokehold heat analysis-eutectic expansion device for fast detecting and detection method |
| CN107144595A (en) * | 2017-06-06 | 2017-09-08 | 南昌大学 | Thermocouple and the repeatable cast aluminium alloy gold Sampling device for thermal analysis utilized of sampling cup |
| CN107144595B (en) * | 2017-06-06 | 2023-09-01 | 南昌大学 | Cast aluminum alloy thermal analysis sampling device with reusable thermocouple and sampling cup |
| CN109521043A (en) * | 2018-12-17 | 2019-03-26 | 邯郸学院 | A kind of electromagnetic heating metal phase diagram experimental method and test tube |
| CN110108745A (en) * | 2019-06-19 | 2019-08-09 | 南京谱德仪器科技有限公司 | A kind of cast iron thermal analysis system based on no tellurium sample cup |
| CN110108745B (en) * | 2019-06-19 | 2021-11-02 | 南京谱德仪器科技有限公司 | Cast iron thermal analysis system based on no tellurium sample cup |
| CN112485306A (en) * | 2020-11-17 | 2021-03-12 | 哈尔滨理工大学 | Method and device for synchronously detecting phase change heat and conductivity change in aluminum alloy melt solidification process |
| CN118091078A (en) * | 2024-04-25 | 2024-05-28 | 中信戴卡股份有限公司 | Aluminum alloy melt quality testing device and detection method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: TIANJIN HUIFENG METAL DETECTION CO., LTD. Free format text: FORMER OWNER: TIANJIN PRECISE SOFTWARE DEVELOPMENT CO., LTD. Effective date: 20111117 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 300384 NANKAI, TIANJIN TO: 300082 BEICHEN, TIANJIN |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20111117 Address after: 300082, No. 79, Huashi Road, Beichen science and Technology Park, Tianjin Patentee after: Tianjin Huifeng Metal Detection Co., Ltd. Address before: 300384 Tianjin Huayuan Industrial Park Haitai Haitai green industry base development six No. six block J No. 316 Patentee before: Tianjin Precise Software Development Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090318 |