CN204287093U - Stretch based on super magnetic hysteresis the solid interface thermal contact resistance proving installation of intellectual material - Google Patents
Stretch based on super magnetic hysteresis the solid interface thermal contact resistance proving installation of intellectual material Download PDFInfo
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- CN204287093U CN204287093U CN201420500630.0U CN201420500630U CN204287093U CN 204287093 U CN204287093 U CN 204287093U CN 201420500630 U CN201420500630 U CN 201420500630U CN 204287093 U CN204287093 U CN 204287093U
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Abstract
The utility model discloses the solid interface thermal contact resistance proving installation of the intellectual material that to stretch based on super magnetic hysteresis, comprise the refrigeration system for providing vacuum environment, be arranged on above described refrigeration system, and test test specimen quiet in the vacuum environment that provides in refrigeration system, the test macro of thermal contact resistance during dynamic load response between surface of contact, and be connected with described refrigeration system and test macro respectively, and for the experimental data of Real-time Collection refrigeration system and test macro and the control controlled experimentation by goal-selling based on test figure, monitor and test macro.The solid interface thermal contact resistance proving installation of the intellectual material that stretches based on super magnetic hysteresis described in the utility model, the defects such as the low and scope of application of complex structure in prior art, integrated level is little can be overcome, to realize the advantage that structure is simple, integrated level is high and applied widely.
Description
Technical field
The utility model relates to superconductor technical field of measurement and test, particularly, relates to a kind of solid interface thermal contact resistance proving installation of the intellectual material that stretches based on super magnetic hysteresis.
Background technology
According to existing literature survey, up to now, the measurement of domestic and international thermal contact resistance is mostly derive thermal contact resistance by the temperature of measurement sample and heat flow meter.Main test macro has, " two hot-fluid sends out the thermal contact resistance measuring solid interface under cryogenic vacuum " that Xu Lie etc. delivered in cryogenic engineering the 4th phase in 1999; The Research on Identification of thermal contact resistance " between the solid surface " that Rao Rongshui delivered in industry heating the 2nd phase in 2003; " Instrumentation to measure thermal contact resistance " that V.V.Rao etc. deliver on Measurement Science and Technology.2004 the 15th phase; Hou Weiguo, Zhang Weifang etc. thermal contact resistance method of testing and testing apparatus. grant number: ZL201010229963.0.Mostly there are the following problems for experimental facilities in the past, as complex structure, integrated level are not high, introducing due to force application apparatus destroys the vacuum tightness of test macro, problem the most serious is, test warm area mainly concentrates on more than liquid nitrogen 77K, meanwhile, the thermal contact resistance between surface of contact when dynamic load responds can not be tested.
In recent years, solid and the thermal contact resistance problem contacted between solid are one of institute of the educational circles issues that need special attention that conducts heat always, are directly connected to solid and the functional design contacting solid structure.Gu particularly for be operated under low temperature, vacuum environment or microgravity environment solid-contact devices, because convection heat transfer machining function is very little, even do not act on, heat transfer and heat radiation become the major way of heat interchange between this kind of device.Therefore, how effectively solid and the thermal contact resistance contacted between solid is predicted, no matter be all have great importance from Demand of Nation or science frontier.
Giant magnetostrictive material is the one of intellectual material, and its distinctest feature is at low temperatures, and particularly liquid helium region has large magnetic hysteresis stroke.According to the literature, the TbDy alloy of monocrystalline can reach 8800ppm at the flexible strain of 77K magnetic hysteresis is for 6300ppm, 10K temperature, can produce the flexible strain of magnetic hysteresis close to 9000ppm in 4.2K temperature environment.Therefore, super Magnetostrictive material has good using value at making Immobilization device, Subzero valve and low temperature steady arm etc.
Realizing in process of the present utility model, inventor finds at least to exist in prior art the defect such as the low and scope of application of complex structure, integrated level is little.
Utility model content
The purpose of this utility model is, for the problems referred to above, the solid interface thermal contact resistance proving installation of the intellectual material that proposes to stretch based on super magnetic hysteresis, to realize the advantage that structure is simple, integrated level is high and applied widely.
For achieving the above object, the technical solution adopted in the utility model is: the solid interface thermal contact resistance proving installation of the intellectual material that stretches based on super magnetic hysteresis, comprise the refrigeration system for providing vacuum environment, be arranged on above described refrigeration system, and test test specimen quiet in the vacuum environment that provides in refrigeration system, the test macro of thermal contact resistance during dynamic load response between surface of contact, and be connected with described refrigeration system and test macro respectively, and for the experimental data of Real-time Collection refrigeration system and test macro and the control controlled experimentation by goal-selling based on test figure, monitor and test macro.
Further, described test macro, comprise vacuum tank, vertically be symmetricly set on a pair screw rod of described vacuum tank inside, the detachable location-plate be arranged between described a pair screw tip of level, from up to down coordinate the force snesor be arranged in space that described a pair screw rod and backstay form, top heating and supporting component, test specimen and bottom heating and supporting component successively, and arrange and be positioned at space that described a pair screw rod and backstay form and the thermopair being vertically arranged on the side of test specimen;
The bottom of described a pair screw rod, is connected with refrigeration system is detachable; Described force snesor and thermopair, respectively with control, to monitor and test macro is connected.
Further, described test macro, also comprises the protective shield of radiation in the space being arranged on described a pair screw rod and backstay formation.
Further, the heating of described top and supporting component, comprise and be arranged on the upper heater strip between described force snesor and test specimen, upper back-up block and upper heat flow meter successively; Described upper back-up block is specially right cylinder, and heater strip is around thereon;
And/or,
The heating of described bottom and supporting component, comprise the lower heat flow meter be from up to down arranged on successively below described test specimen, ultra-magnetic telescopic bar, lower support block and lower heater strip, be arranged on the annular belt material of high temperature superconduct coil of described ultra-magnetic telescopic bar away from thermopair side, be arranged on the temperature sensor of described ultra-magnetic telescopic bar near thermopair side, and be arranged on described annular belt material of high temperature superconduct coil respectively away from the side of ultra-magnetic telescopic bar and the annular belt material of high temperature superconduct coil normal conductor coils of a pair annular away from the side of ultra-magnetic telescopic bar, one end of described thermopair is connected with upper heater strip, the other end is connected with temperature sensor,
And/or,
Described test specimen, comprises and is arranged on upper test specimen between described upper heat flow meter and lower heat flow meter and lower test specimen successively.
Further, described refrigeration system, comprise the refrigeration mechanism coordinating and be arranged on below described test macro, be arranged on described refrigeration mechanism away from controlling, monitoring and the molecular pump of test macro side, be arranged on the vortex pump of described molecular pump away from refrigeration mechanism side, and coordinate the corrugated tube be arranged between described molecular pump and vortex pump.
Further, described refrigeration mechanism, comprises base, is arranged on the GM refrigeration machine below described base, and, to be arranged on above described base and to be bottom-uply arranged on GM refrigeration machine secondary cold head between described GM refrigeration machine and test macro and GM refrigeration machine one-level cold head successively.
Further, described refrigeration mechanism, also comprise the first housing and the second housing that are equipped with described GM refrigeration machine one-level cold head and GM refrigeration machine secondary cold head respectively, and from up to down successively through the first housing with the second housing and the second-rate lead-in wire be connected with described test macro and control, supervision and test macro respectively;
Between described first housing and the second housing, installed by the first sealing bolt of being equipped with and the sealing of the first O-ring seal; Be provided with lead-in wire output terminal at described first housing away from the side of molecular pump, be provided with sealing wire joint at lead-in wire output terminal, described second-rate lead-in wire is connected to controls, supervision and test macro through sealing wire joint; Between second housing and base, installed by the second sealing bolt of being equipped with and the sealing of the second O-ring seal; The output terminal of described second housing near molecular pump side coordinates with molecular pump to be installed.
Further, described control, supervision and test macro, comprise the power display, temperature indicator, field power supply and the heating power supply that are connected with described test macro and refrigeration system respectively, and the computer be connected with described power display, temperature indicator, field power supply and heating power supply respectively by RS232 communication line.
Further, between the annular belt material of high temperature superconduct coil and the connecting line of the normal conductor coils of annular of described inside, also change-over switch is provided with.
The solid interface thermal contact resistance proving installation of the intellectual material that stretches based on super magnetic hysteresis of each embodiment of the utility model, owing to comprising the refrigeration system for providing vacuum environment, be arranged on above refrigeration system, and test test specimen quiet in the vacuum environment that provides in refrigeration system, the test macro of thermal contact resistance during dynamic load response between surface of contact, and be connected with refrigeration system and test macro respectively, and for the experimental data of Real-time Collection refrigeration system and test macro and the control controlled experimentation by goal-selling based on test figure, monitor and test macro, the thermal contact resistance when dynamic load responds between surface of contact can be tested, thus complex structure in prior art, integrated level is low and the scope of application is little defect can be overcome, to realize the advantage that structure is simple, integrated level is high and applied widely.
Other features and advantages of the utility model will be set forth in the following description, and, partly become apparent from instructions, or understand by implementing the utility model.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Accompanying drawing explanation
Accompanying drawing is used to provide further understanding of the present utility model, and forms a part for instructions, is used from explanation the utility model, does not form restriction of the present utility model with embodiment one of the present utility model.In the accompanying drawings:
The general structure schematic diagram of solid interface thermal contact resistance proving installation of Fig. 1 to be the utility model based on super magnetic hysteresis stretch intellectual material;
Fig. 2 be the utility model based on super magnetic hysteresis stretch intellectual material solid interface thermal contact resistance proving installation in the structural representation of test macro;
Fig. 3 be the utility model based on super magnetic hysteresis stretch intellectual material solid interface thermal contact resistance proving installation in the structural representation of refrigeration system.
By reference to the accompanying drawings, in the utility model embodiment, Reference numeral is as follows:
1-force snesor; The upper heater strip of 2-; The upper back-up block of 3-; The upper heat flow meter of 4-; The upper test specimen of 5-; Test specimen under 6-; Heat flow meter under 7-; 8-annular belt material of high temperature superconduct coil; 9-lower support block; Heater strip under 10-; 11-GM refrigeration machine secondary cold head; 14-GM refrigeration machine one-level cold head; 12,20-sealing bolt; 13,19-O-ring seal; 15-molecular pump; 16-corrugated tube; 17-vortex pump; 18-GM refrigeration machine; 21-sealing wire joint; The second-rate lead-in wire of 22-; 23-temperature sensor; The normal conductor coils of 24-annular; 25-ultra-magnetic telescopic bar; 26-protective shield of radiation; 27-thermopair; 28-vacuum tank; 29-location-plate; 30-screw rod; 31-base; 32-change-over switch.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described, should be appreciated that preferred embodiment described herein is only for instruction and explanation of the utility model, and be not used in restriction the utility model.
According to the utility model embodiment, as shown in Figure 1, Figure 2 and Figure 3, a kind of solid interface thermal contact resistance proving installation of the intellectual material that stretches based on super magnetic hysteresis is provided.
The technical solution of the utility model, to stretch intellectual material based on super magnetic hysteresis, the GM refrigeration machine that integrated economics, convenience, reliability are high, and belt material of high temperature superconduct coil, the solid interface thermal contact resistance proving installation that a set of Range of measuring temp is wider, accurate, efficient, namely vacuum contact heat resistance test apparatus that level of integrated system is higher, simple to operate stretches intellectual material based on super magnetic hysteresis is proposed.Simultaneously, should based on super magnetic hysteresis stretch intellectual material solid interface thermal contact resistance proving installation can also under dynamic load between surface in contact the situation of change of thermal contact resistance carry out Real-Time Monitoring, should stretching based on super magnetic hysteresis the successful research and development of solid interface thermal contact resistance proving installation of intellectual material, by significantly promoting academia, comprehensive, deep Research Ability being carried out to thermal contact resistance.
In view of above consideration, the applicant designs a kind of novel solid interface vacuum contact heat resistance test apparatus and namely to stretch based on super magnetic hysteresis the solid interface thermal contact resistance proving installation of intellectual material, should stretch that the solid interface thermal contact resistance proving installation principle of intellectual material is simple, economical and practical, integrated level is high based on super magnetic hysteresis, simple to operate, probe temperature is minimum reaches 4.2K, can test the thermal contact resistance between surface of contact when dynamic load responds, cardinal principle figure is as Fig. 1 simultaneously.
The solid interface thermal contact resistance proving installation of the intellectual material that stretches based on super magnetic hysteresis of the present embodiment, comprise the refrigeration system for providing vacuum environment, to be arranged on above refrigeration system and test macro for testing the thermal contact resistance of test specimen when quiet, dynamic load response between surface of contact in the vacuum environment that provides in refrigeration system, and to be connected with refrigeration system and test macro respectively and for the experimental data of Real-time Collection refrigeration system and test macro and the control controlled experimentation by goal-selling based on test figure, supervision and test macro.
Wherein, above-mentioned test macro, comprise vacuum tank (as vacuum tank 28), vertically be symmetricly set on a pair screw rod (as one of them screw rod 30) of vacuum tank inside, the detachable location-plate (as location-plate 29) be arranged between a pair screw tip of level, from up to down coordinate the force snesor (as force snesor 1) in the space being arranged on a pair screw rod and backstay formation successively, top heating and supporting component, test specimen and bottom are heated and supporting component, and the space being positioned at a pair screw rod and backstay formation is set, and be vertically arranged on the thermopair (as thermopair 27) of the side of test specimen, the bottom of a pair screw rod, is connected with refrigeration system is detachable, force snesor and thermopair, respectively with control, to monitor and test macro is connected.Test macro, also comprises the protective shield of radiation (as protective shield of radiation 26) in the space being arranged on a pair screw rod and backstay formation; Protective shield of radiation is specifically arranged on above the flange of GM refrigeration machine one-level cold head, that is, above the flange of position shown in Fig. 1.。
Here, top heating and supporting component, comprise and be arranged on the upper heater strip (as above heater strip 2) between force snesor and test specimen, upper back-up block (as above back-up block 3) and upper heat flow meter (as above heat flow meter 4) successively, upper back-up block is specially right cylinder, and heater strip is around thereon, and/or, bottom heating and supporting component, comprise the lower heat flow meter (following heat flow meter 7) be from up to down arranged on successively below test specimen, ultra-magnetic telescopic bar (as ultra-magnetic telescopic bar 25), lower support block (following back-up block 9) and lower heater strip (following heater strip 10), be arranged on the annular belt material of high temperature superconduct coil (as annular belt material of high temperature superconduct coil 8) of ultra-magnetic telescopic bar away from thermopair side, be arranged on the temperature sensor (as temperature sensor 23) of ultra-magnetic telescopic bar near thermopair side, and be arranged on annular belt material of high temperature superconduct coil respectively away from the side of ultra-magnetic telescopic bar and the annular belt material of high temperature superconduct coil normal conductor coils of a pair annular (conductor coils 24 as normal in one of them annular) away from the side of ultra-magnetic telescopic bar, one end of thermopair is connected with upper heater strip, the other end is connected with temperature sensor, and/or test specimen, comprises and is arranged on upper test specimen (as above test specimen 5) between heat flow meter and lower heat flow meter and lower test specimen (following test specimen 6) successively.
Above-mentioned refrigeration system, comprise the refrigeration mechanism coordinating and be arranged on below test macro, be arranged on refrigeration mechanism away from controlling, monitoring and the molecular pump (as molecular pump 15) of test macro side, be arranged on the vortex pump (as vortex pump 17) of molecular pump away from refrigeration mechanism side, and coordinate the corrugated tube (as corrugated tube 16) be arranged between molecular pump and vortex pump.
Here, refrigeration mechanism, comprise base (as base 31), be arranged on the GM refrigeration machine (as GM refrigeration machine 18) below base, and, to be arranged on above base and to be bottom-uply arranged on GM refrigeration machine secondary cold head (as GM refrigeration machine secondary cold head 11) between GM refrigeration machine and test macro and GM refrigeration machine one-level cold head (as GM refrigeration machine one-level cold head 14) successively.Refrigeration mechanism, also comprise the first housing and the second housing that are equipped with GM refrigeration machine one-level cold head and GM refrigeration machine secondary cold head respectively, and from up to down controls with test macro and supervision and control system with the second housing and respectively through the first housing successively, monitor and second-rate lead-in wire that test macro is connected (as second-rate lead-in wire 22, second-rate lead-in wire controls with supervision and control system respectively, monitor and field power supply in test macro is connected); Between first housing and the second housing, installed by the first sealing bolt (as sealing bolt 12) of being equipped with and the first O-ring seal sealing (as O-ring seal 13); Lead-in wire output terminal is provided with away from the side of molecular pump at the first housing, be provided with sealing wire joint (as sealing wire joint 21) at lead-in wire output terminal, second-rate lead-in wire is connected to supervision through sealing wire joint and control system controls, monitors and test macro; Between second housing and base, installed by the second sealing bolt (as sealing bolt 20) of being equipped with and the second O-ring seal (as O-ring seal 19) sealing; The output terminal of the second housing near molecular pump side coordinates with molecular pump to be installed.Heating power supply is just for heater strip is powered, and change-over switch is that field power supply is powered to superconducting coil and normal conductor coils for switching.
Above-mentioned control, supervision and test macro, comprise the power display, temperature indicator, field power supply and the heating power supply that are connected with test macro and refrigeration system respectively, and the computer be connected with power display, temperature indicator, field power supply and heating power supply respectively by RS232 communication line.Between the connecting line (i.e. second-rate lead-in wire 22) of the annular belt material of high temperature superconduct coil in inside and the normal conductor coils of annular, be also provided with change-over switch (as change-over switch 32).
In the technical solution of the utility model, based on super magnetic hysteresis stretch intellectual material solid interface thermal contact resistance proving installation primarily of control, monitor and test macro, test macro and refrigeration system three digest journals composition.Wherein, control, monitor and test macro: mainly gather corresponding experimental data, temperature as test point, the acting force to sample, feed back to control section thus automatically controlled the strength of current of field power supply by PID, regulate the magnetic field intensity of high temperature superconductor coil or the normal conductor coils of annular, reach the stroke controlling ultra-magnetic telescopic bar, the final applied pressure size changed between surface of contact.
Test macro: be operated in the complete vacuum environment provided by vacuum plant, test sample is arranged on by leading screw, in the clamping mechanism of location-plate composition, acting force between surface of contact is regulated by the elongation of the ultra-magnetic telescopic bar of lower end, the size of power is by the force snesor collection at top, sample, heat flow meter comprises the temperature variation of superconducting coil and cold head by the thermopair collection be uniformly distributed thereon, whole part of detecting is wrapped up by protective shield of radiation, avoid carrying out radiation heat transfer with vacuum tank wall, field coil is divided into belt material of high temperature superconduct coil and the normal conductor coils of annular, the current feed of high-temperature superconductor body coil is introduced by second-rate lead-in wire, as far as possible object reduces the importing of outside heat by wire, finally guarantee that test macro can reach the low temperature environment of 4.2K (because during GM refrigeration machine 4.2K, refrigerating capacity is only 1.5W), simultaneously, when low-temperature zone (4.2K-90K) is tested, the driving magnetic field of ultra-magnetic telescopic bar is provided by high-temperature superconductor body coil, because of superconductor be operated in below critical temperature 90K time, non-resistance is not so have Joule heat to produce, further ensure the stability of system.When probe temperature high more than 90K time, high temperature superconductor coil will exceed its critical temperature, not there is superconducting property, so, now adopt the normal conductor coils of annular, because the normal conductor coils of annular is separated with test sample and cold head completely, can not directly a large amount of joule's heat energies be conducted to test component, in addition along with the cold of the rising GM refrigeration machine of temperature is far longer than 1.5W, so the Joule heat produced by the normal conductor coils of annular can not have influence on the stability of test macro.Test macro the leaded vacuum tightness all adopting the mode of seal socket and external linkage to guarantee test macro.
Refrigeration system: primarily of GM refrigeration machine and evacuator composition, GM refrigeration machine cold head quantity is two, is 1.5W during the cold 4.2K of secondary two.Vacuum pump set is made up of vortex pump and molecular pump, and the final vacuum that can be extracted into is 10-4Pa.
Whole test process: first, opens vacuum container cover, according to being arranged on fixed mount by test sample and heat flow meter as shown in the figure, arranges thermopair, and the position of adjusting screw makes the power of force snesor be just 0, containing vacuum container.Then, open and vacuumize unit, test macro is vacuumized, when vacuum tightness reaches 10-2Pa magnitude by the time, open GM refrigeration machine and test sample is cooled.Open control, monitor and test macro, by the time when sample temperature reaches and measures temperature and stablize, open field power supply, regulate the size of electric current, make the test pressure value reaching needs between surface of contact, open heating wire works after stable, gather the temperature value of each point on heat flow meter and test sample, the two heat flow method measure and calculation of employing goes out the thermal contact resistance between surface of contact.Repeat above step, complete different temperatures, the test of surface of contact Contact thermal resistance under different pressures.If need to test the thermal contact resistance under dynamic response between surface of contact, only need the current input signal of field power supply, by stable value, become dynamic value above, as sinusoidal model, square wave.Meanwhile, due in Practical Project between two solid surface, often because of the external world disturbance place under vibrating conditions, so can consider the response problem of surface of contact thermal resistance under dither, other test condition is constant.After test completes, close corresponding instrument power source, put experimental facilities in order, terminate whole experiment test.
During test, device therefor comprises: 1, GM refrigeration machine, and vacuum pump set 1 overlaps, temperature sensor 1, power display instrument 1, heater strip 2 groups, ultra-magnetic telescopic bar 1, high temperature superconductor coil 1, the normal conductor coils 1 of annular, field power supply 1, heating power supply 1,1, low temperature seal container, sample is some, temperature sensor is some, and thermopair is some, and vacuum system 1 is overlapped and waited (referring to Fig. 1).
The technical solution of the utility model, adopts GM refrigeration machine to replace liquid nitrogen or liquid helium as refrigerant; Superconducting coil and normal conductor coil two kinds of excitation modes are adopted to drive the force loading device of ultra-magnetic telescopic bar; Thermal resistance in simulation high frequency dynamic load situation between surface of contact; Utilize the principle of technical solutions of the utility model can manufacture a kind of dynamically controlled heat flow density by-pass cock or temperature regulation switch.
By the technical solution of the utility model, can be comparatively simple, economical realize ultralow temperature (4.2K) to high-temperature region, the performance test of solid and solid surface Contact thermal resistance.Simultaneously, the principle of this equipment also can be applied in Practical Project, drives giant magnetostrictive material dilatation by field coil, reaches the contact stress changed between solid and solid contact surface, the Dynamic controlling of the tactile thermal resistance that finally achieves a butt joint, thus meet practical application request.
Last it is noted that the foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, although be described in detail the utility model with reference to previous embodiment, for a person skilled in the art, it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (9)
1. stretch based on super magnetic hysteresis the solid interface thermal contact resistance proving installation of intellectual material, it is characterized in that, comprise the refrigeration system for providing vacuum environment, be arranged on above described refrigeration system, and test test specimen quiet in the vacuum environment that provides in refrigeration system, the test macro of thermal contact resistance during dynamic load response between surface of contact, and be connected with described refrigeration system and test macro respectively, and for the experimental data of Real-time Collection refrigeration system and test macro and the control controlled experimentation by goal-selling based on test figure, monitor and test macro.
2. the solid interface thermal contact resistance proving installation of the intellectual material that stretches based on super magnetic hysteresis according to claim 1, it is characterized in that, described test macro, comprise vacuum tank, vertically be symmetricly set on a pair screw rod of described vacuum tank inside, the detachable location-plate be arranged between described a pair screw tip of level, from up to down coordinate the force snesor in the space being arranged on described a pair screw rod and backstay formation successively, top heating and supporting component, test specimen and bottom are heated and supporting component, and the space being positioned at described a pair screw rod and backstay formation is set, and be vertically arranged on the thermopair of the side of test specimen,
The bottom of described a pair screw rod, is connected with refrigeration system is detachable; Described force snesor and thermopair, control with supervision and control system respectively, to monitor and test macro is connected.
3. the solid interface thermal contact resistance proving installation of the intellectual material that stretches based on super magnetic hysteresis according to claim 2, is characterized in that, described test macro, also comprises the protective shield of radiation in the space being arranged on described a pair screw rod and backstay formation.
4. the solid interface thermal contact resistance proving installation of the intellectual material that stretches based on super magnetic hysteresis according to claim 2, it is characterized in that, the heating of described top and supporting component, comprise and be arranged on the upper heater strip between described force snesor and test specimen, upper back-up block and upper heat flow meter successively; Described upper back-up block is specially right cylinder, and heater strip is around thereon;
And/or,
The heating of described bottom and supporting component, comprise the lower heat flow meter be from up to down arranged on successively below described test specimen, ultra-magnetic telescopic bar, lower support block and lower heater strip, be arranged on the annular belt material of high temperature superconduct coil of described ultra-magnetic telescopic bar away from thermopair side, be arranged on the temperature sensor of described ultra-magnetic telescopic bar near thermopair side, and be arranged on described annular belt material of high temperature superconduct coil respectively away from the side of ultra-magnetic telescopic bar and the annular belt material of high temperature superconduct coil normal conductor coils of a pair annular away from the side of ultra-magnetic telescopic bar, one end of described thermopair is connected with upper heater strip, the other end is connected with temperature sensor,
And/or,
Described test specimen, comprises and is arranged on upper test specimen between described upper heat flow meter and lower heat flow meter and lower test specimen successively.
5. the solid interface thermal contact resistance proving installation of the intellectual material that stretches based on super magnetic hysteresis according to any one of claim 1-4, it is characterized in that, described refrigeration system, comprise the refrigeration mechanism coordinating and be arranged on below described test macro, be arranged on described refrigeration mechanism away from controlling, monitoring and the molecular pump of test macro side, be arranged on the vortex pump of described molecular pump away from refrigeration mechanism side, and coordinate the corrugated tube be arranged between described molecular pump and vortex pump.
6. the solid interface thermal contact resistance proving installation of the intellectual material that stretches based on super magnetic hysteresis according to claim 5, it is characterized in that, described refrigeration mechanism, comprise base, be arranged on the GM refrigeration machine below described base, and, to be arranged on above described base and to be bottom-uply arranged on GM refrigeration machine secondary cold head between described GM refrigeration machine and test macro and GM refrigeration machine one-level cold head successively.
7. the solid interface thermal contact resistance proving installation of the intellectual material that stretches based on super magnetic hysteresis according to claim 6, it is characterized in that, described refrigeration mechanism, also comprise the first housing and the second housing that are equipped with described GM refrigeration machine one-level cold head and GM refrigeration machine secondary cold head respectively, and from up to down successively through the first housing with the second housing and the second-rate lead-in wire be connected with described test macro and control, supervision and test macro respectively;
Between described first housing and the second housing, installed by the first sealing bolt of being equipped with and the sealing of the first O-ring seal; Be provided with lead-in wire output terminal at described first housing away from the side of molecular pump, be provided with sealing wire joint at lead-in wire output terminal, described second-rate lead-in wire is connected to controls, supervision and test macro through sealing wire joint; Between second housing and base, installed by the second sealing bolt of being equipped with and the sealing of the second O-ring seal; The output terminal of described second housing near molecular pump side coordinates with molecular pump to be installed.
8. the solid interface thermal contact resistance proving installation of the intellectual material that stretches based on super magnetic hysteresis according to claim 4, it is characterized in that, described control, supervision and test macro, comprise the power display, temperature indicator, field power supply and the heating power supply that are connected with described test macro and refrigeration system respectively, and the computer be connected with described power display, temperature indicator, field power supply and heating power supply respectively by RS232 communication line.
9. the solid interface thermal contact resistance proving installation of the intellectual material that stretches based on super magnetic hysteresis according to claim 8, is characterized in that, between the described annular belt material of high temperature superconduct coil and the connecting line of the normal conductor coils of annular of inside, be also provided with change-over switch.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104215661A (en) * | 2014-09-02 | 2014-12-17 | 兰州大学 | Solid interface contact thermal resistance test device based on super-magnetostrictive intelligent material |
| CN105572162A (en) * | 2015-12-17 | 2016-05-11 | 北京航空航天大学 | Thermal contact resistance testing equipment with compensation heating system and thermal insulation system |
| CN112946015A (en) * | 2021-01-29 | 2021-06-11 | 浙江大学 | Test device and method for measuring soft soil interface thermal contact resistance |
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2014
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104215661A (en) * | 2014-09-02 | 2014-12-17 | 兰州大学 | Solid interface contact thermal resistance test device based on super-magnetostrictive intelligent material |
| CN104215661B (en) * | 2014-09-02 | 2017-02-22 | 兰州大学 | Solid interface contact thermal resistance test device based on super-magnetostrictive intelligent material |
| CN105572162A (en) * | 2015-12-17 | 2016-05-11 | 北京航空航天大学 | Thermal contact resistance testing equipment with compensation heating system and thermal insulation system |
| CN112946015A (en) * | 2021-01-29 | 2021-06-11 | 浙江大学 | Test device and method for measuring soft soil interface thermal contact resistance |
| CN112946015B (en) * | 2021-01-29 | 2022-09-13 | 浙江大学 | Test device and method for measuring soft soil interface thermal contact resistance |
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