CN207764148U - Material contact thermo-resistance measurement platform under a kind of vacuum condition - Google Patents
Material contact thermo-resistance measurement platform under a kind of vacuum condition Download PDFInfo
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- CN207764148U CN207764148U CN201820126321.XU CN201820126321U CN207764148U CN 207764148 U CN207764148 U CN 207764148U CN 201820126321 U CN201820126321 U CN 201820126321U CN 207764148 U CN207764148 U CN 207764148U
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Abstract
The utility model discloses material contact thermo-resistance measurement platforms under a kind of vacuum condition, to measure EAST（Experimental Advanced Superconducting Tokamak）Thermal contact resistance of the tokamak device towards plasma source components storeroom, the test platform include mainly：Pressure-loaded and measuring system, heating and heat-flow measurement system, cooling system, vacuum system, temperature measures and acquisition system, thermal insulation material and the several parts of test block.Wherein, vacuum environment is provided by vacuum tank and external extract system, and the sealing of pressure-loaded and vacuum tank uses bellows.The utility model extends to the measurement of material contact thermal resistance under all vacuum conditions.
Description
Technical field
The utility model is related to thermal contact resistance test platform field, material contact thermal resistance under specifically a kind of vacuum condition
Test platform.
Background technology
Being contacted between solid material surface can closely not make storeroom there are thermal contact resistance, which is to influence component
An important factor for temperature field.For hot-end component, the distribution for accurately understanding its temperature field sets the safety of component
Meter, fail-safe analysis and life appraisal etc. are extremely important.Therefore, accurately obtain different parameters under the conditions of storeroom contact
Thermal resistance is particularly significant for the engineering design of hot-end component.EAST（Experimental Advanced Superconducting
Tokamak）The component of tokamak device low heat loads area surface plasma, usually by bolted graphite tile and band
It is made of the heat sink equal parts of the chromium-zirconium-copper of cooling structure, which is subjected to up to 1MW/m2Stable state thermic load, be typical
Hot-end component.The component is located in the vacuum chamber of EAST.The measurement of thermal contact resistance mostly carries out under atmospheric environment both at home and abroad at present,
And in atmospheric environment free convection presence, can make its thermal contact resistance measurement result be applied to EAST practical vacuum environment under
When numerical value it is less than normal, and then bring security risk to component.Therefore, a kind of to measure material under vacuum conditions indirect for utility model
The test platform for touching thermal resistance is very necessary.
Utility model content the purpose of this utility model is to be directed to deficiency of the prior art, provides one kind and is used for
The test platform for testing material contact thermal resistance under vacuum environment, to face hot junction portion under this kind of vacuum condition of plasma source components
The engineering design of part provides technical support.
In order to achieve the above object, technical solution used by the utility model is：
Material contact thermo-resistance measurement platform under a kind of vacuum condition, it is characterised in that：Including vacuum tank, vacuum tank top
Lid, which closes, is connected with flange, and bottom is equipped with support plate in vacuum tank, and Muffle furnace is provided in support plate, and Muffle furnace is equipped with heat preservation
Body, Muffle furnace top are equipped with vertical through-hole, another through-hole with through-hole coaxial communication at the top of Muffle furnace, horse are equipped in thermal insulator
Heat conductive bar is not equipped in stove, heat conductive bar upper end passes through through-hole at the top of Muffle furnace and stretches into thermal insulator through-hole, thermal insulator inner via hole
It is equipped with test block A, test block B, copper heat-flow meter, the wherein lower ends test block A and heat conductive bar upper-end contact, test successively from bottom to up
The lower ends part B and test block A upper-end contacts, copper heat-flow meter lower end and test block B upper-end contacts, copper heat-flow meter upper end and thermal insulator top
Face flushes or exceeds thermal insulator top surface, and lid conjunction in thermal insulator top surface is equipped with coldplate, coldplate and copper heat-flow meter upper-end contact, horse
Not heat is transferred to test block A, test block B, copper heat-flow meter and the plate absorption that is finally cooled, coldplate through heat conductive bar successively in stove
Top surface is equipped with pressure sensor, and vacuum tank top flange is equipped with pressure-loaded mechanism, and pressure-loaded mechanism is to pressure sensor
Apply pressure and pressure is transmitted to coldplate, copper heat-flow meter, test block B, test block A, heat conductive bar successively.
Material contact thermo-resistance measurement platform under a kind of vacuum condition, it is characterised in that：It is set in the coldplate
There are the channel that Cooling Water is passed through, vacuum tank side to be equipped with inlet and outlet water pipe, inlet and outlet water pipe is connected to coldplate internal channel.
Material contact thermo-resistance measurement platform under a kind of vacuum condition, it is characterised in that：The thermal insulator is by silicon
Sour aluminium refractory brick is built-up.
Material contact thermo-resistance measurement platform under a kind of vacuum condition, it is characterised in that：The heat conductive bar is pure
Tungsten heat conductive bar, heat conductive bar lower end are equipped with corundum.
Material contact thermo-resistance measurement platform under a kind of vacuum condition, it is characterised in that：The pressure-loaded machine
Structure includes the holder being arranged in vacuum tank top flange, and passes vertically through the pressure transmission rod of vacuum tank top flange, branch
Top of the trellis threads turn is equipped with vertical screw rod, and screw rod lower end is stretched into holder, and pressure transmission rod upper end and screw rod lower end are same
Axis is opposite, and pressure transmission rod lower end is stretched into vacuum tank and is pressed on the pressure sensor of cooling plate top surface.
Material contact thermo-resistance measurement platform under a kind of vacuum condition, it is characterised in that：Pressure in holder passes
It passs and is cased with bellows outside bar, bellows, pressure transmission rod, vacuum tank top flange are welded as a whole.
The utility model can be used for thermal contact resistance of the tokamak device towards plasma source components storeroom and measure, and can
It is generalized to the measurement of material contact thermal resistance under all vacuum conditions.
Description of the drawings
The measuring device system diagram of material contact thermal resistance under a kind of vacuum conditions of Fig. 1.
Between Shanxi coalification institute doped graphite/chromium-zirconium-copper under Fig. 2 vacuum conditions, and German ata gram graphite/chromium-zirconium-copper
Thermal contact resistance measurement result.
Specific implementation mode
As shown in Figure 1, material contact thermo-resistance measurement platform under a kind of vacuum condition, including vacuum tank 7, vacuum tank 7 push up
Lid conjunction in portion is connected with flange, and bottom is equipped with support plate 9 in vacuum tank 7, is provided with Muffle furnace 12 in support plate 9, on Muffle furnace 12
Equipped with thermal insulator 13,12 top of Muffle furnace is equipped with vertical through-hole, is equipped in thermal insulator 13 coaxial with 12 top through-hole of Muffle furnace
Another through-hole of connection, Muffle furnace 12 is interior to be equipped with heat conductive bar 11, and 11 upper end of heat conductive bar passes through 12 top through-hole of Muffle furnace and stretches into
In 13 through-hole of thermal insulator, 13 inner via hole of thermal insulator is equipped with test block A6, test block B5, copper heat-flow meter 4 successively from bottom to up, wherein
The lower ends test block A6 and 11 upper-end contact of heat conductive bar, the lower ends test block B5 and test block A6 upper-end contacts, 4 lower end of copper heat-flow meter with
Test block B5 upper-end contacts, 4 upper end of copper heat-flow meter flush with 13 top surface of thermal insulator or exceed 13 top surface of thermal insulator, and thermal insulator 13 is pushed up
Cover conjunction is equipped with coldplate 14, coldplate 14 and 4 upper-end contact of copper heat-flow meter, and heat passes successively through heat conductive bar in Muffle furnace 12
It is handed to test block A6, test block B5, copper heat-flow meter 4 and the plate 14 that is finally cooled to absorb, 14 top surface of coldplate is equipped with pressure sensing
Device 3,7 top flange of vacuum tank are equipped with pressure-loaded mechanism, and pressure-loaded mechanism applies pressure and pressure to pressure sensor 3
It is transmitted successively to coldplate 14, copper heat-flow meter 4, test block B5, test block A6, heat conductive bar 11.
The channel being passed through equipped with Cooling Water in coldplate 14,7 side of vacuum tank are equipped with inlet and outlet water pipe 8, pass in and out saliva
Pipe 8 is connected to 14 internal channel of coldplate.
Thermal insulator 13 is built-up by alumina-silica fire brick.
Heat conductive bar 11 is pure tungsten heat conductive bar, and 11 lower end of heat conductive bar is equipped with corundum 10.
Pressure-loaded mechanism includes the holder being arranged in 7 top flange of vacuum tank, and passes vertically through 7 top of vacuum tank
The pressure transmission rod 15 of flange, cradle top threads turn are equipped with vertical screw rod 1, and 1 lower end of screw rod is stretched into holder, pressure
15 upper end of transmission lever and 1 lower end of screw rod are coaxially opposite, and 15 lower end of pressure transmission rod is stretched into vacuum tank 7 and is pressed in the top of coldplate 14
On the pressure sensor 3 in face.
It is cased with bellows 2, bellows 2, pressure transmission rod 15,7 top method of vacuum tank outside pressure transmission rod 15 in holder
Orchid is welded as a whole.
The utility model includes mainly：It is pressure-loaded and measuring system, heating and heat-flow measurement system, cooling system, true
Empty set system, temperature measures and acquisition system, thermal insulator and the several parts of test block.
Pressure-loaded and measuring system, including apply stressed screw rod 1 and its holder, pressure transmission rod 15,2 and of bellows
Pressure sensor 3.It is downwardly applied to pressure by rotary screw 1, pressure is transferred to pressure sensor 3 through pressure transmission rod 15 and carries out
It measures, when pressure transmission rod 15 is by vacuum tank skin, vacuum sealing is carried out using bellows 2.
Heating and heat-flow measurement system, including Muffle furnace 12, heat conductive bar 11 and copper heat-flow meter 4.12 top of Muffle furnace is provided with
Round hole, the heat derives that the heat conductive bar 11 of tungsten material generates Muffle furnace 12 to test block A and B.Copper heat-flow meter 4 is located at test
Above part, for measuring the hot-fluid by test block A and B.
Cooling system refers to the internal coldplate 14 for being connected with cooling water, between pressure sensor 3 and copper heat-flow meter 4.
Vacuum system, including vacuum tank 7 and its mating vacuum-pumping system.Vacuum tank 7 uses 316L materials, vacuum to take out
Gas system includes mechanical pump and molecular pump.
Temperature measures and acquisition system, including K-type thermocouple and temperature data acquisition device, temperature sampler are located at vacuum tank
Outside 7.
Thermal insulator 13 is built-up by alumina-silica fire brick, with good heat-insulating property.
Test block refers to the cylindrical test block of " " 30mm × 65mm, four diameter thermoelectric couples is processed on each test specimen
Hole, pore size are " " 1.5 × 15mm, and the distance between neighboring thermocouple hole is 15mm, the distance away from two interfaces of test specimen
For 10mm.
The vacuum environment of the test platform is provided by the vacuum tank 7 and external extract system of Φ 590mm*800mm, and the limit is true
Reciprocal of duty cycle is better than 9 × 10-4Pa（Cold conditions, zero load）.The Muffle furnace 12 for providing heat source is positioned in support plate 9, and the heat of Muffle furnace is logical
It crosses its internal heat conductive bar 11 to export, derived hot-fluid passes through test block A6 and test block B5 successively, and by being positioned over test
The copper heat-flow meter 4 on part top measures concrete numerical value, is finally taken away, is connected in coldplate cold by the coldplate 14 on copper heat-flow meter top
But water.Test block A6 and the outside of test block B5 and copper heat-flow meter 4 are surrounded by the thermal insulator 13 of alumina-silica fire brick structure.Test block
Interfacial pressure between A6 and test block B5 is provided by pressure-loaded system.Make it downwards by rotatory vacuum tank top screw rod 1
Mobile on-load pressure, pressure transfer process are：Pressure transmission rod 15 → pressure sensor, 3 → coldplate, 14 → copper heat-flow meter 4 →
Test block B5 → test block A6 → 11 → Muffle furnace of pure tungsten heat conductive bar 12.Interfacial pressure between test block A6 and test block B5 by
Pressure sensor 3 measures.Wherein pressure transmission rod 15 passes through vacuum tank top flange.Pressure transmission rod 15, bellows 2 and vacuum
Tank top flange is welding as one, and then solves sealing problem of the pressure transmission rod 15 across top flange when.Due to bellows 2
It can compress or stretch to a certain extent, therefore not influence the transmission of pressure.
It is measured under vacuum condition between Shanxi coalification institute doped graphite/chromium-zirconium-copper using the test platform, and Germany
Thermal contact resistance between ata gram graphite/chromium-zirconium-copper, measurement result are as shown in Figure 2.
Claims (6)
1. material contact thermo-resistance measurement platform under a kind of vacuum condition, it is characterised in that：Including vacuum tank, vacuum tank top cover
Conjunction is connected with flange, and bottom is equipped with support plate in vacuum tank, and Muffle furnace is provided in support plate, and Muffle furnace is equipped with thermal insulator,
It is equipped with vertical through-hole at the top of Muffle furnace, another through-hole with through-hole coaxial communication at the top of Muffle furnace, Muffle are equipped in thermal insulator
Heat conductive bar is equipped in stove, heat conductive bar upper end passes through through-hole at the top of Muffle furnace and stretches into thermal insulator through-hole, thermal insulator inner via hole from
Under supreme be equipped with test block A, test block B, copper heat-flow meter, the wherein lower ends test block A and heat conductive bar upper-end contact, test block successively
The lower ends B and test block A upper-end contacts, copper heat-flow meter lower end and test block B upper-end contacts, copper heat-flow meter upper end and thermal insulator top surface
Thermal insulator top surface is flushed or exceeds, lid conjunction in thermal insulator top surface is equipped with coldplate, coldplate and copper heat-flow meter upper-end contact, Muffle
Heat is transferred to test block A, test block B, copper heat-flow meter and the plate that is finally cooled through heat conductive bar and absorbs successively in stove, coldplate top
Face is equipped with pressure sensor, and vacuum tank top flange is equipped with pressure-loaded mechanism, and pressure-loaded mechanism is applied to pressure sensor
Plus-pressure and pressure are transmitted to coldplate, copper heat-flow meter, test block B, test block A, heat conductive bar successively.
2. material contact thermo-resistance measurement platform under a kind of vacuum condition according to claim 1, it is characterised in that：It is described
The interior channel being passed through equipped with Cooling Water of coldplate, vacuum tank side are equipped with inlet and outlet water pipe, import and export in water pipe and coldplate
Channel is connected to.
3. material contact thermo-resistance measurement platform under a kind of vacuum condition according to claim 1, it is characterised in that：It is described
Thermal insulator is built-up by alumina-silica fire brick.
4. material contact thermo-resistance measurement platform under a kind of vacuum condition according to claim 1, it is characterised in that：It is described
Heat conductive bar is pure tungsten heat conductive bar, and heat conductive bar lower end is equipped with corundum.
5. material contact thermo-resistance measurement platform under a kind of vacuum condition according to claim 1, it is characterised in that：It is described
Pressure-loaded mechanism includes the holder being arranged in vacuum tank top flange, and passes vertically through the pressure of vacuum tank top flange
Transmission lever, cradle top threads turn are equipped with vertical screw rod, and screw rod lower end is stretched into holder, pressure transmission rod upper end and spiral shell
Bar lower end is coaxially opposite, and pressure transmission rod lower end is stretched into vacuum tank and is pressed on the pressure sensor of cooling plate top surface.
6. material contact thermo-resistance measurement platform under a kind of vacuum condition according to claim 5, it is characterised in that：Holder
It is cased with bellows outside interior pressure transmission rod, bellows, pressure transmission rod, vacuum tank top flange are welded as a whole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820126321.XU CN207764148U (en) | 2018-01-25 | 2018-01-25 | Material contact thermo-resistance measurement platform under a kind of vacuum condition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820126321.XU CN207764148U (en) | 2018-01-25 | 2018-01-25 | Material contact thermo-resistance measurement platform under a kind of vacuum condition |
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| Publication Number | Publication Date |
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| CN207764148U true CN207764148U (en) | 2018-08-24 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109991266A (en) * | 2019-03-22 | 2019-07-09 | 上海工程技术大学 | The laser of interface heat exchange coefficient and material thermal conductivity heats measuring device and method |
| WO2020139268A1 (en) * | 2018-12-28 | 2020-07-02 | Tusas-Turk Havacilik Ve Uzay Sanayii Anonim Sirketi | A measurement mechanism |
| WO2020139273A1 (en) * | 2018-12-28 | 2020-07-02 | Tusas- Turk Havacilik Ve Uzay Sanayii Anonim Sirketi | A measurement mechanism |
| WO2020139253A1 (en) * | 2018-12-28 | 2020-07-02 | Tusas-Turk Havacilik Ve Uzay Sanayii Anonim Sirketi | A measurement mechanism |
| WO2022005417A1 (en) * | 2020-06-30 | 2022-01-06 | Tusas- Turk Havacilik Ve Uzay Sanayii Anonim Sirketi | A measuring device |
| CN113167754B (en) * | 2018-12-28 | 2024-05-07 | Tusas-土耳其航空航天工业公司 | Measuring mechanism |
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2018
- 2018-01-25 CN CN201820126321.XU patent/CN207764148U/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2020139268A1 (en) * | 2018-12-28 | 2020-07-02 | Tusas-Turk Havacilik Ve Uzay Sanayii Anonim Sirketi | A measurement mechanism |
| WO2020139273A1 (en) * | 2018-12-28 | 2020-07-02 | Tusas- Turk Havacilik Ve Uzay Sanayii Anonim Sirketi | A measurement mechanism |
| WO2020139253A1 (en) * | 2018-12-28 | 2020-07-02 | Tusas-Turk Havacilik Ve Uzay Sanayii Anonim Sirketi | A measurement mechanism |
| CN113167754A (en) * | 2018-12-28 | 2021-07-23 | Tusas-土耳其航空航天工业公司 | Measuring mechanism |
| CN113167753A (en) * | 2018-12-28 | 2021-07-23 | Tusas-土耳其航空航天工业公司 | Measuring mechanism |
| CN113196044A (en) * | 2018-12-28 | 2021-07-30 | Tusas-土耳其航空航天工业公司 | Measuring mechanism |
| US11860115B2 (en) | 2018-12-28 | 2024-01-02 | Tusas—Turk Havacilik Ve Uzay Sanayii Anonim Sirketi | Measurement mechanism |
| CN113167754B (en) * | 2018-12-28 | 2024-05-07 | Tusas-土耳其航空航天工业公司 | Measuring mechanism |
| CN109991266A (en) * | 2019-03-22 | 2019-07-09 | 上海工程技术大学 | The laser of interface heat exchange coefficient and material thermal conductivity heats measuring device and method |
| WO2022005417A1 (en) * | 2020-06-30 | 2022-01-06 | Tusas- Turk Havacilik Ve Uzay Sanayii Anonim Sirketi | A measuring device |
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