CN103364430B - Phase transition temperature tester and method of work thereof - Google Patents
Phase transition temperature tester and method of work thereof Download PDFInfo
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- CN103364430B CN103364430B CN201310295690.3A CN201310295690A CN103364430B CN 103364430 B CN103364430 B CN 103364430B CN 201310295690 A CN201310295690 A CN 201310295690A CN 103364430 B CN103364430 B CN 103364430B
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Abstract
Phase transition temperature tester of the present invention, comprising: support, support is provided with the erecting frame that two parallel interval are arranged, erecting frame is provided with chute; Heating magnetic stirring apparatus, heating magnetic stirring apparatus is arranged on frame bottom; Container, container is arranged on heating magnetic stirring apparatus; Linear axis bearing, linear axis bearing is arranged in chute; Displacement transducer, one end of displacement transducer is arranged in linear axis bearing, and the measuring junction of displacement transducer extend in container; Pulley base, pulley base is arranged on the erecting frame of upper end, and pulley base is provided with pulley; Counterpoise, counterpoise is connected with displacement transducer through pulley by connecting line; Temperature sensor, temperature sensor is fixed by the mounting platform be arranged on support, and the measuring junction of temperature sensor is arranged in container; Electrical appliance kit, electrical appliance kit is arranged on support, and displacement transducer is connected with electrical appliance kit.The present invention can not destroy on the basis of support, measures shape-memory material phase transition temperature.
Description
Technical field
The present invention relates to for intravascular stent phase transition temperature testing tool, particularly a kind of phase transition temperature tester and method of work thereof.
Background technology
Metal material is after hot-working and thermal treatment during controlled cooling model, usual needs formulate technique with continuous cooling transformation (CCT) curve (CCT) for theoretical foundation instructs, and have intuitively reacted the information such as the phase transformation of floating the consistent continuous coo1ing of fiery cooling procedure with reality starts, phase transformation terminates, phase variable because of it.But seldom have the report of Nitinol CCT figure up to now, trace it to its cause, main is exactly because the transformation temperature of memory material is difficult to measure.At present, differential scanning calorimeter (DSC) can detect and record the thermal effect of memory material at the uniform velocity cooling procedure, but material is carried out non-at the uniform velocity cool time, the DSC curve obtained is subject to the hot disturbing effect caused by cooling down operation that instrument internal constantly changes, well can not reflect the thermal effect caused by material internal phase transformation, and DSC cooling range is narrower, sample is also by size, matter quantitative limitation.The cooling carried out material in actual production is mostly non-cooling at the uniform velocity, and cooling range is wider, and therefore when measuring the phase transformation in continuous cooling process, DSC has limitation.Xray diffractometer also can be used for the phase transformation of analysis to measure memory material, but can not kinetic measurement, and can not detect when precipitated phase is less.Thermomagnetometry appara can study the material of phase transformation magnetic sensitive, is mainly used in iron and steel, is not suitable for memory material.Original position metaloscope is the more direct devices of research solid-state phase changes, but needs sample many, and workload is large, and the metallographic structure form of some transmutation products not easily identifies.And, DSC is applicable to megacryst material, as: the curing reaction temperature of macromolecular material and thermal effect, material phase transition temperature and thermal effect thereof measure, crystallization, the melt temperature of high polymer material and thermal effect measures, the glass transition temperature of high polymer material.But just inapplicable for the material of NANO yardstick, and biomaterial is also inconvenient to measure.
Summary of the invention
The invention provides a kind of convenience, the phase transition temperature tester accurately detecting memory material transformation temperature and method of work thereof.
For solving the problems of the technologies described above, phase transition temperature tester of the present invention, comprising: support, is provided with the erecting frame that two parallel interval are arranged on the bracket, described erecting frame is provided with chute; Heating magnetic stirring apparatus, described heating magnetic stirring apparatus is arranged on described frame bottom; Container, described container is arranged on described heating magnetic stirring apparatus; Linear axis bearing, described linear axis bearing is arranged in described chute; Displacement transducer, one end of institute's displacement sensors is arranged in described linear axis bearing, and the measuring junction of institute's displacement sensors extend in described container; Pulley base, described pulley base is arranged on the described erecting frame of upper end, and described pulley base is provided with pulley; Counterpoise, described counterpoise is connected with institute displacement sensors through described pulley by connecting line; Temperature sensor, described temperature sensor is fixed by the mounting platform arranged on the bracket, and the measuring junction of described temperature sensor is arranged in described container; Electrical appliance kit, described electrical appliance kit is arranged on the bracket, and institute's displacement sensors is connected with described electrical appliance kit; Wherein said displacement transducer and described temperature sensor are connected with computer.
Preferably, described phase transition temperature tester also comprises an optical axis, and described optical axis is fixed on described erecting frame by described linear axis bearing, is provided with connecting hole at the top of described optical axis; Described counterpoise to be connected with institute displacement sensors through described connecting hole through described pulley by connecting line.
Preferably, also position-limit mechanism is provided with in described frame bottom.
Preferably, described pulley is low-friction coefficient pulley.
Preferably, described connecting line is setline.
Preferably, the material of described container is glass.
Preferably, the material of described support, described erecting frame is aluminium section bar.
Phase transition temperature tester method of work, comprises the steps:
The first step, injects test solution to receptacle;
Article to be measured are screwed on the bottom disc of container, are immersed in test solution by second step, and are flattened by article to be measured;
3rd step, runs BFRT software, demarcates respectively to displacement transducer and temperature sensor;
4th step, opens heating magnetic stirring apparatus, slowly heats the test solution of receptacle;
5th step, the relation curve of record displacement and temperature, towing figure line truncated data carries out linear fit, finds out transformation temperature and preserves.
Preferably, in described 4th step, described test solution is slowly heated to 50 degrees Celsius.
Preferably, described test solution is alcohol and the water mixed solution of subzero 20 degrees Celsius.
Phase transition temperature tester of the present invention can not destroy on the basis of support, measures memory material phase transition temperature, can heat simultaneously, be incubated, the thermal treatment such as cooling to memory material, and feature richness is easy to operate.And can also be used for measuring the heat contracting temperature suddenly of memory material.
Accompanying drawing explanation
Fig. 1 is phase transition temperature tester embodiment one structural representation of the present invention;
Fig. 2 is phase transition temperature tester embodiment two structural representation of the present invention.
Description of reference numerals in phase transition temperature tester accompanying drawing of the present invention:
1-support 2-erecting frame 3-heats magnetic stirring apparatus
4-container 5-linear axis bearing 6-optical axis
7-displacement transducer 8-pulley base 9-pulley
10-counterpoise 11-setline 12-temperature sensor
13-mounting platform 14-electrical appliance kit 15-position-limit mechanism
Embodiment
Below in conjunction with accompanying drawing, phase transition temperature tester of the present invention and method of work thereof are described in further detail.
Embodiment one, as shown in Figure 1, phase transition temperature tester of the present invention, comprising: the support 1 of aluminium section bar, is also provided with position-limit mechanism 15 bottom support 1, and heating magnetic stirring apparatus 3 is arranged in position-limit mechanism 15.Glass container 4 is arranged on heating magnetic stirring apparatus 3.
Support 1 is provided with the erecting frame 2 of the aluminium section bar that two parallel interval are arranged, and erecting frame 2 is provided with chute, and linear axis bearing 5 is arranged in chute, and displacement transducer 7 is fixed on erecting frame 2 by linear axis bearing 5.Pulley base 8 is arranged on the erecting frame 2 of upper end, pulley base 8 is provided with low-friction coefficient pulley 9, counterpoise 10 is connected through pulley 9 displacement transducer 7 by setline 11, counterpoise 10 is utilized to offset the weight of displacement transducer 7 kernel self, thus ensure that support 1 is when heating, diametrically non-resistance expands, thus reaches the relation accurately measuring displacement and temperature.
Temperature sensor 12, temperature sensor 12 is fixed by the mounting platform 13 be arranged on support 1, and the measuring junction of temperature sensor 12 is arranged in container 4.Displacement transducer 7 and temperature sensor 12 are connected with computer, and displacement transducer 7 is also connected with the electrical appliance kit 14 be arranged on support 1.
Embodiment two, as shown in Figure 2, phase transition temperature tester of the present invention, comprising: the support 1 of aluminium section bar, is also provided with position-limit mechanism 15 bottom support 1, and heating magnetic stirring apparatus 3 is arranged in position-limit mechanism 15.Glass container 4 is arranged on heating magnetic stirring apparatus 3.
Support 1 is provided with the erecting frame 2 of the aluminium section bar that two parallel interval are arranged, and erecting frame 2 is provided with chute, and linear axis bearing 5 is arranged in chute.Optical axis 6 is fixed on erecting frame 2 by linear axis bearing 5, connecting hole is provided with at the top of optical axis 6, pulley base 8 is arranged on the erecting frame 2 of upper end, pulley base 8 is provided with low-friction coefficient pulley 9, counterpoise 10 is also connected with the displacement transducer 7 in optical axis 6 through connecting hole through pulley 9 by setline 11, counterpoise 10 is utilized to offset the weight of displacement transducer 7 kernel self, thus ensure that support 1 is when heating, diametrically non-resistance expands, thus reaches the relation accurately measuring displacement and temperature.
Temperature sensor 12, temperature sensor 12 is fixed by the mounting platform 13 be arranged on support 1, and the measuring junction of temperature sensor 12 is arranged in container 4.Displacement transducer 7 and temperature sensor 12 are connected with computer, and displacement transducer 7 is also connected with the electrical appliance kit 14 be arranged on support 1.
Test comprises the steps:
The first step, inside container 4, implantation temperature is alcohol and the water mixed solution of subzero 20 degrees Celsius;
Article to be measured are screwed on the bottom disc of container 4 by second step, are immersed in alcohol and water mixed solution, and are flattened by article to be measured;
3rd step, runs BFRT software, demarcates respectively to displacement transducer 7 and temperature sensor 12;
4th step, opens heating magnetic stirring apparatus 3, slowly heats, be heated to 50 degrees Celsius to the test solution inside container 4;
5th step, the relation curve of record displacement and temperature, towing figure line truncated data carries out linear fit, finds out transformation temperature and preserves.
Phase transition temperature tester of the present invention can not destroy on the basis of support, measures memory material phase transition temperature, can heat simultaneously, be incubated, the thermal treatment such as cooling to memory material, and feature richness is easy to operate.And can also be used for measuring the heat contracting temperature suddenly of memory material.
Below the preferred embodiment of the invention is illustrated, but the invention is not limited to described embodiment, those of ordinary skill in the art also can make all equivalent modification or replacement under the prerequisite without prejudice to the invention spirit, and these equivalent modification or replacement are all included in the application's claim limited range.
Claims (10)
1. phase transition temperature tester, is characterized in that, comprising:
Support, is provided with the erecting frame that two parallel interval are arranged on the bracket, described erecting frame is provided with chute;
Heating magnetic stirring apparatus, described heating magnetic stirring apparatus is arranged on described frame bottom;
Container, described container is arranged on described heating magnetic stirring apparatus;
Linear axis bearing, described linear axis bearing is arranged in described chute;
Displacement transducer, one end of institute's displacement sensors is arranged in described linear axis bearing, and the measuring junction of institute's displacement sensors extend in described container;
Pulley base, described pulley base is arranged on the described erecting frame of upper end, and described pulley base is provided with pulley;
Counterpoise, described counterpoise is connected with institute displacement sensors through described pulley by connecting line;
Temperature sensor, described temperature sensor is fixed by the mounting platform arranged on the bracket, and the measuring junction of described temperature sensor is arranged in described container;
Electrical appliance kit, described electrical appliance kit is arranged on the bracket, and institute's displacement sensors is connected with described electrical appliance kit; Wherein
Institute's displacement sensors and described temperature sensor are connected with computer.
2. phase transition temperature tester according to claim 1, is characterized in that, described phase transition temperature tester also comprises an optical axis, and described optical axis is fixed on described erecting frame by described linear axis bearing, is provided with connecting hole at the top of described optical axis; Described counterpoise to be connected with institute displacement sensors through described connecting hole through described pulley by connecting line.
3. phase transition temperature tester according to claim 1, is characterized in that, is also provided with position-limit mechanism in described frame bottom.
4. phase transition temperature tester according to claim 1, is characterized in that, described pulley is low-friction coefficient pulley.
5. phase transition temperature tester according to claim 1, is characterized in that, described connecting line is setline.
6. phase transition temperature tester according to claim 1, is characterized in that, the material of described container is glass.
7. phase transition temperature tester according to claim 2, is characterized in that, the material of described support, described erecting frame is aluminium section bar.
8. phase transition temperature tester method of work, is characterized in that, utilize as arbitrary in claim 1 to 7 as described in phase transition temperature tester, comprise the steps:
The first step, injects test solution to receptacle;
Article to be measured are screwed on the bottom disc of container, are immersed in test solution by second step, and are flattened by article to be measured;
3rd step, runs BFRT software, demarcates respectively to displacement transducer and temperature sensor;
4th step, opens heating magnetic stirring apparatus, slowly heats the test solution of receptacle;
5th step, the relation curve of record displacement and temperature, towing figure line truncated data carries out linear fit, finds out transformation temperature and preserves.
9. phase transition temperature tester method of work according to claim 8, is characterized in that, in described 4th step, described test solution is slowly heated to 50 degrees Celsius.
10. phase transition temperature tester method of work according to claim 8 or claim 9, it is characterized in that, described test solution is alcohol and the water mixed solution of subzero 20 degrees Celsius.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310295690.3A CN103364430B (en) | 2013-07-15 | 2013-07-15 | Phase transition temperature tester and method of work thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310295690.3A CN103364430B (en) | 2013-07-15 | 2013-07-15 | Phase transition temperature tester and method of work thereof |
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| CN103364430A CN103364430A (en) | 2013-10-23 |
| CN103364430B true CN103364430B (en) | 2015-08-05 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105181734B (en) * | 2015-09-25 | 2017-10-24 | 西南交通大学 | A kind of Marmem heat engine tool fatigue test device |
| CN107884408A (en) * | 2016-09-30 | 2018-04-06 | 苏州迈迪威检测技术有限公司 | Phase transition temperature tester and its method of testing |
| CN114624279A (en) * | 2022-03-10 | 2022-06-14 | 哈尔滨工程大学 | Self-deicing unit phase change time difference measuring device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2938908A1 (en) * | 1979-09-26 | 1981-04-09 | Hans W. 6500 Mainz Schmidt | Phase-change temp. monitoring appts. - has heated stage with temp. sensor in optical system projecting enlarged image of specimen on screen |
| CN203455295U (en) * | 2013-07-15 | 2014-02-26 | 苏州英络医疗器械有限公司 | Phase-transition temperature tester |
-
2013
- 2013-07-15 CN CN201310295690.3A patent/CN103364430B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2938908A1 (en) * | 1979-09-26 | 1981-04-09 | Hans W. 6500 Mainz Schmidt | Phase-change temp. monitoring appts. - has heated stage with temp. sensor in optical system projecting enlarged image of specimen on screen |
| CN203455295U (en) * | 2013-07-15 | 2014-02-26 | 苏州英络医疗器械有限公司 | Phase-transition temperature tester |
Non-Patent Citations (2)
| Title |
|---|
| Precision instrument for characterizing shape memory alloy wires in bias spring actuation;Chikkamaranahalli, S et al.;《REVIEW OF SCIENTIFIC INSTRUMENTS》;20050630;第76卷(第6期);1-5 * |
| 形状记忆合金相变温度的常用测量方法;甄睿;《南京工程学院学报(自然科学版)》;20060331;第4卷(第1期);27-32 * |
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Address after: Suzhou City, Jiangsu Province, Suzhou Industrial Park 215123 Xinghu Street No. 218 BioBAY building B2 room 213 Patentee after: SUZHOU INNOMED MEDICAL DEVICE Co.,Ltd. Address before: 215123 Suzhou, Suzhou Industrial Park, Lake shaped street, No. B2-213, No. 218 Patentee before: SUZHOU INNOMED MEDICAL DEVICE Co.,Ltd. |
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Effective date of registration: 20161206 Address after: Suzhou City, Jiangsu Province, Suzhou Industrial Park 215123 Xinghu Street No. 218 BioBAY building B1 room 407 Patentee after: SUZHOU MAIDIWEI DETECTION TECHNOLOGY Co.,Ltd. Address before: Suzhou City, Jiangsu Province, Suzhou Industrial Park 215123 Xinghu Street No. 218 BioBAY building B2 room 213 Patentee before: SUZHOU INNOMED MEDICAL DEVICE Co.,Ltd. |