CN101042358B - Multi-channel phase-change parameter measuring equipment - Google Patents
Multi-channel phase-change parameter measuring equipment Download PDFInfo
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- CN101042358B CN101042358B CN2007100519494A CN200710051949A CN101042358B CN 101042358 B CN101042358 B CN 101042358B CN 2007100519494 A CN2007100519494 A CN 2007100519494A CN 200710051949 A CN200710051949 A CN 200710051949A CN 101042358 B CN101042358 B CN 101042358B
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Abstract
This invention relates to one multi-channel phase parameter test device, which comprises control power, temperature collection and display system, phase change parameter test device for 3 to 32 pieces with each one thermal resistance wires connected to power output interface and with each phase parameters temperature sensor connected to display system signal collection interface through signal wire and collection system; phase change parameter test device is composed of thermal resistance wire, heat conductive oil, insulation capacitor, insulation cover, socket and temperature sensor.
Description
Technical field
The invention belongs to heat and analyze and the building energy conservation field tests, be specifically related to a kind of multi-channel phase-change parameter measuring equipment.
Background technology
Advantages such as phase-change material is big owing to having hot memory capacity, and volume is little have application widely in China's building energy saving field.In the research process of phase-change material, the phase transition temperature of phase-change material, enthalpy of phase change, heat transfer coefficient, transformation rate, phase-change material thermal stability etc. is the key parameter of phase-change material, differential scanning calorimetric technology (DSC) is the main testing apparatus of phase-change material at present, can be used for accurately measuring the phase transition temperature of phase-change material, parameters such as enthalpy of phase change, but it is lower that its shortcoming is a testing efficiency, can not effectively measure etc. for the phase change material structure of special tectonic, carry out a large amount of phase-change materials for needs and screen, the method for testing of especially the phase-change material performance that chooses being carried out scientific evaluation and then technique guarantee being provided for practical application has great importance to the research and the application of phase-change material.
The groundwork principle of DSC technology is to apply a thermograde on phase-change material at present, phase-change material phase transformation institute energy requirement is provided, when the phase-change material body reaches phase transformation temperature points, phase-change material absorbs (emitting) heat, and meanwhile, material temperature or with the parameter constant of temperature correlation, adopt the principle of power back-off, the thermal change that sample takes place when thermal response, owing to timely input electric power is compensated, so physical record is the difference variation relation of t in time of the thermal power of two electric heating compensation below sample and the reference substance, thereby directly obtains the heat parameter by the heat content integrated curve.
Summary of the invention
The object of the present invention is to provide a kind of testing efficiency height, easy to operate multi-channel phase-change parameter measuring equipment.
To achieve these goals, technical scheme of the present invention: multi-channel phase-change parameter measuring equipment, it is characterized in that: it comprises controllable electric power 1, temperature acquisition display system 2, phase transition parameter proving installation, the phase transition parameter proving installation is 3-32, the electrothermal resistance silk 5 of each phase transition parameter proving installation is linked to each other by the output interface of lead with controllable electric power 1, and the temperature sensor 10 of each phase transition parameter proving installation is linked to each other with the signals collecting interface of temperature acquisition display system 2 by signal wire; The phase transition parameter proving installation is made up of electrothermal resistance silk 5, conduction oil 6, thermal conductive container 7, adiabatic overcoat 8, base 9, temperature sensor 10, fill conduction oil 6 in the thermal conductive container 7, electrothermal resistance silk 5 is arranged in conduction oil 6, the bottom of the thermal conductive container 7 adiabatic overcoat 8 that is threaded, the upper end of base 9 is positioned at the bottom of adiabatic overcoat 8, and base 9 is provided with temperature sensor 10; During test, place standard sample 4 between above thermal conductive container 7 bottom surfaces of one phase transition parameter proving installation and the base 9, thermal conductive container 7 bottom surfaces of all the other phase transition parameter proving installations with above the base 9 between placement sample 3.
Described phase transition parameter proving installation is 16.
Beneficial effect of the present invention: compare with traditional phase-change material testing apparatus, the present invention has:
1, adopting the phase transition parameter proving installation is 3-32, can measure a plurality of phase-change material samples simultaneously, and test speed is fast, the testing efficiency height.
2, adopt structure of the present invention, sample (or standard sample) is placed on thermal conductive container 7 bottom surfaces, and is simple to operate, only needs to adjust size of current in addition and open the related data process software to get final product, simple to operation.
3, adopt conduction oil 6 to transmit heat, have the advantages that sample (or standard sample) homogeneous heating, programming rate are controlled easily, good test effect.
4, test function is comprehensive: can test parameters such as phase-change material phase transition temperature, enthalpy of phase change, transformation rate, heat transfer rate simultaneously.
Description of drawings
Fig. 1 is a structural representation of the present invention
Among the figure: 1-controllable electric power, 2-temperature acquisition display system, 3-sample, 4-standard sample, 5-electrothermal resistance silk, 6-conduction oil, 7-thermal conductive container, the adiabatic overcoat of 8-, 9-base, 10-temperature sensor.
Embodiment
In order to understand the present invention better, further illustrate content of the present invention below in conjunction with embodiment.
As shown in Figure 1, multi-channel phase-change parameter measuring equipment, it comprises controllable electric power 1, temperature acquisition display system 2, the phase transition parameter proving installation, the phase transition parameter proving installation is 16, and (6 stains among Fig. 1 are represented suspension points, the phase transition parameter proving installation also can be 3 or 32, determine as required), electrothermal resistance silk (or electrothermal tube) 5 of each phase transition parameter proving installation linked to each other by the output interface of lead with controllable electric power (heating power supply is provided) 1, and the temperature sensor 10 of each phase transition parameter proving installation is linked to each other by the signals collecting interface of signal wire with temperature acquisition display system (as the computing machine of SCM Based multiplex temperature collection display system or band data processing function) 2; The phase transition parameter proving installation is made up of electrothermal resistance silk 5, conduction oil 6, thermal conductive container 7, adiabatic overcoat 8, base 9, temperature sensor 10, fill conduction oil 6 in the thermal conductive container (pressure is controlled) 7, electrothermal resistance silk 5 is arranged in conduction oil 6, the bottom of the thermal conductive container 7 adiabatic overcoat 8 that is threaded, the upper end of base 9 is positioned at the bottom of adiabatic overcoat 8, base 9 is provided with temperature sensor 10 and (does not directly measure the temperature of sample, but determine the temperature of sample by the temperature of measuring base 9, sample is with heat transferred base 9); During test, place standard sample 4 between above thermal conductive container 7 bottom surfaces of one phase transition parameter proving installation and the base 9, thermal conductive container 7 bottom surfaces of all the other phase transition parameter proving installations with above the base 9 between placement sample 3.
Open controllable electric power 1, adjust controllable electric power (as commercially available KDY-1 controllable electric power) electric current, making thermal conductive container 7 interior conduction oils (commercially available ZYG conduction oil) 6 keep heating rates is 0.05～0.1 ℃/min, the resulting temperature and time data of open record temperature sensor, C.T.-time curve, the flex point of temperature-time curve is phase transition temperature, the temperature of flex point correspondence-time and area integration is enthalpy of phase change, can get the rate of heat transfer of material to temperature-time diffusion, with standard sample and test specimens result contrast, can get transformation rate.
Claims (2)
1. multi-channel phase-change parameter measuring equipment, it is characterized in that: it comprises controllable electric power (1), temperature acquisition display system (2), phase transition parameter proving installation, the phase transition parameter proving installation is 3-32, the electrothermal resistance silk (5) of each phase transition parameter proving installation is linked to each other by the output interface of lead with controllable electric power (1), and the temperature sensor of each phase transition parameter proving installation (10) is linked to each other by the signals collecting interface of signal wire with temperature acquisition display system (2); The phase transition parameter proving installation is made up of electrothermal resistance silk (5), conduction oil (6), thermal conductive container (7), adiabatic overcoat (8), base (9), temperature sensor (10), fill conduction oil (6) in the thermal conductive container (7), electrothermal resistance silk (5) is arranged in conduction oil (6), the bottom of thermal conductive container (7) the adiabatic overcoat (8) that is threaded, the upper end of base (9) is positioned at the bottom of adiabatic overcoat (8), and base (9) is provided with temperature sensor (10); During test, place standard sample (4) between thermal conductive container (7) bottom surface of one phase transition parameter proving installation and base (9) are top, place sample (3) between the thermal conductive container of all the other phase transition parameter proving installations (7) bottom surface and base (9) are top.
2. multi-channel phase-change parameter measuring equipment according to claim 1 is characterized in that: described phase transition parameter proving installation is 16.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100519494A CN101042358B (en) | 2007-04-24 | 2007-04-24 | Multi-channel phase-change parameter measuring equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100519494A CN101042358B (en) | 2007-04-24 | 2007-04-24 | Multi-channel phase-change parameter measuring equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101042358A CN101042358A (en) | 2007-09-26 |
| CN101042358B true CN101042358B (en) | 2010-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2007100519494A Expired - Fee Related CN101042358B (en) | 2007-04-24 | 2007-04-24 | Multi-channel phase-change parameter measuring equipment |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101881742B (en) * | 2010-07-21 | 2011-09-14 | 中国地质大学（武汉） | Device for measuring multi-passage heat conductivity |
| CN102636516B (en) * | 2012-04-25 | 2013-09-18 | 武汉大学 | Circular stability testing system of multichannel solid-liquid phase change material |
| CN110887866B (en) * | 2019-12-16 | 2023-02-17 | 重庆理工大学 | Device and method for testing temperature control capability of phase change energy storage material |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6534005B1 (en) * | 2001-03-19 | 2003-03-18 | Wenger Manufacturing, Inc. | Phase transition analyzer |
| CN2612946Y (en) * | 2003-04-10 | 2004-04-21 | 江苏大学 | Probe for detecting phase transformation of pearlite type |
| CN1542439A (en) * | 2003-11-06 | 2004-11-03 | 同济大学 | Phase transition behavior measurement system for phase transition energy storage material |
| CN1908639A (en) * | 2006-07-27 | 2007-02-07 | 河北理工大学 | Method for judging metal phase change characteristic number in air cooling state |
-
2007
- 2007-04-24 CN CN2007100519494A patent/CN101042358B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6534005B1 (en) * | 2001-03-19 | 2003-03-18 | Wenger Manufacturing, Inc. | Phase transition analyzer |
| CN2612946Y (en) * | 2003-04-10 | 2004-04-21 | 江苏大学 | Probe for detecting phase transformation of pearlite type |
| CN1542439A (en) * | 2003-11-06 | 2004-11-03 | 同济大学 | Phase transition behavior measurement system for phase transition energy storage material |
| CN1908639A (en) * | 2006-07-27 | 2007-02-07 | 河北理工大学 | Method for judging metal phase change characteristic number in air cooling state |
Non-Patent Citations (2)
| Title |
|---|
| 李长庚等.中高温熔点金属材料固-液相变点导热系数测量.电子元件与材料.2003,22(10),42-45. * |
| 李长庚等.相变材料相变点温度热物性的测试及误差分析.热能动力工程.2004,19(1),45-47. * |
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| CN101042358A (en) | 2007-09-26 |
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Granted publication date: 20100630 Termination date: 20130424 |