CN108594036A - A kind of connected vessels type test device for superconducting tape energizing test - Google Patents
A kind of connected vessels type test device for superconducting tape energizing test Download PDFInfo
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- CN108594036A CN108594036A CN201810272857.7A CN201810272857A CN108594036A CN 108594036 A CN108594036 A CN 108594036A CN 201810272857 A CN201810272857 A CN 201810272857A CN 108594036 A CN108594036 A CN 108594036A
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- superconducting tape
- pipeline
- thermally insulated
- test
- filling pipeline
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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- General Physics & Mathematics (AREA)
- Containers, Films, And Cooling For Superconductive Devices (AREA)
Abstract
A kind of connected vessels type test device for superconducting tape energizing test,Superconducting tape is positioned in adiabatic pipeline and both ends connection connecting terminal,Adiabatic pipeline both ends are connected with two thermally insulated containers respectively by valve,Gas filling pipeline and liquid filling pipeline are installed respectively on each thermally insulated container,Cryogenic media is filled into thermally insulated container by liquid filling pipeline,It is completely filled with cryogenic media in adiabatic pipeline,So that there are pneumatic die cushion pressure differences in two thermally insulated containers by gas filling pipeline,By connecting terminal electric current is passed through to superconducting tape,Superconducting tape is set to reach superconducting state,When test,The gas filling pipeline of both sides is connected,The pneumatic die cushion pressure of two low temperature insulation containers is set to reach balance,Cryogenic media route side by heat-insulated pipe and flows to the other side,The instantaneous state information of voltage of superconducting tape is measured by the voltage sensor on superconducting tape,After cryogenic medium flows stopping,It cuts off the power,Complete test.
Description
Technical field
The invention belongs to cryogenic test equipment field, in particular to a kind of connected vessels types for superconducting tape energizing test
Test device.
Background technology
Superconductor has the electrotechnics characteristics such as zero resistance, high density current-carrying capability, if superconducting tape is made in superconductor,
Its current-carrying capability can reach 100~1000A/mm2, it is 50~500 times of common copper conductor or aluminum conductor current-carrying capability, and its
Transmission loss under DC state is zero, therefore, using superconducting tape prepare power equipment, have be lost it is low, efficient, account for
The advantages such as ground is small.
Superconductive power transmission device mainly by superconducting tape, insulating materials and maintains the low temperature insulation container of superconducting state to constitute.
The features such as low temperature insulation container is safe efficient due to its is widely used in industrialized production and carrier.Low temperature insulation container
General is mostly the double-layer structure for including liner and shell, conducts heat to reduce, usually coats heat insulation layer outside the tank, and in liner
It is vacuumized in space between shell.
The operation of superconducting apparatus needs low temperature environment, and the temperature range of superconduction running body is 4K to 77K at present, and liquid hydrogen is (about
Low-temperature characteristics 20K) is widely used in superconductivity, using liquid hydrogen delivery pipe combination superconductive power transmission, can be obviously improved electricity
Power apparatus capacity improves response speed of the electric system to load variation.Further, since liquid hydrogen can be used as the refrigeration of superconducting tape
Medium can effectively reduce the refrigeration cost of superconductive power transmission.
At present in the test device of superconducting tape, the medium type for providing low temperature environment includes gas, liquid or solid, is situated between
Matter is mostly in static condition, without diriven motion in addition to free convection.
Invention content
The technical problem to be solved by the invention is to provide a kind of test devices for superconducting tape energizing test, should
Cryogenic media in test device is in global orientation flow regime, and the superconduction for simulating while conveying chemical energy and electric energy is defeated
Electric equipment.
The technical scheme is that：
A kind of connected vessels type test device for superconducting tape energizing test, including liquid filling pipeline, gas filling
Pipeline, thermally insulated container, adiabatic pipeline, valve, connecting terminal；
Superconducting tape be positioned in adiabatic pipeline and both ends connection connecting terminal, adiabatic pipeline both ends by valve respectively with
Two thermally insulated containers are connected, and install gas filling pipeline and liquid filling pipeline on each thermally insulated container respectively, by liquid plus
Note pipeline fills cryogenic media into thermally insulated container, is completely filled with cryogenic media in adiabatic pipeline, is made by gas filling pipeline
There are pneumatic die cushion pressure differences in two thermally insulated containers, are passed through electric current to superconducting tape by connecting terminal, superconducting tape is made to reach super
It leads state, when test, the gas filling pipeline of both sides is connected, the pneumatic die cushion pressure of two low temperature insulation containers is made to reach balance, it is low
Warm medium route side by heat-insulated pipe and flows to the other side, and superconductive tape is measured by the voltage sensor on superconducting tape
The instantaneous state information of voltage of material is cut off the power after flowing stops, and completes test.
A kind of connected vessels type test device for superconducting tape energizing test, including liquid filling pipeline, gas filling
Pipeline, thermally insulated container, adiabatic pipeline, valve, connecting terminal；
Superconducting tape be positioned in adiabatic pipeline and both ends connection connecting terminal, adiabatic pipeline both ends by valve respectively with
Two thermally insulated containers are connected, and install gas filling pipeline and liquid filling pipeline on each thermally insulated container respectively, by liquid plus
Note pipeline fills cryogenic media into thermally insulated container, is completely filled with cryogenic media in adiabatic pipeline, is made by gas filling pipeline
There are pneumatic die cushion pressure differences in two thermally insulated containers, are passed through electric current to superconducting tape by connecting terminal, superconducting tape is made to reach super
It leads state, when test, is deflated by the gas leakage orifice plate on the gas filling pipeline on high-pressure side thermally insulated container, make two
The pneumatic die cushion pressure of a low temperature insulation container reaches balance, and cryogenic media route side by heat-insulated pipe and flows to the other side, passes through peace
Voltage sensor on superconducting tape measures the instantaneous state information of voltage of superconducting tape, after flowing stops, cut-out electricity
Test is completed in source.
Further, pneumatic die cushion pressure difference is greater than the error measure precision of pressure sensor.
Further, before the test begins, superconducting tape can be taken off replacing.
Further, connecting terminal is drawn by the trepanning of heat-insulated pipe road, sealed insulation between connecting terminal and trepanning.
Further, connecting terminal is welded on superconducting tape.
Further, cryogenic media is liquid helium, liquid nitrogen, liquid hydrogen or liquefied natural gas.
Further, the liquid level difference that two low temperature insulation containers are monitored by liquid level sensor, is supervised by differential pressure pickup
The pneumatic die cushion pressure difference of two low temperature insulation containers is surveyed, and the numerical relation of liquid level difference and pneumatic die cushion pressure difference meets Archimedes and determines
Rule.
Compared with the prior art, the invention has the advantages that：
In order to make cryogenic media generate directed flow in adiabatic pipeline, it is proposed, according to the invention, by gas filling pipeline to
It is filled with pressurization gas in low temperature insulation container, the cryogenic media in two low temperature insulation containers is made to generate difference in height, rebalancing connects
Logical device both sides pneumatic die cushion pressure, allows cryogenic media to generate directed flow around superconducting tape.In this way it is possible to test
Superconducting state stability of the variety classes superconducting tape in Different hypothermia medium.
Description of the drawings
Fig. 1 is the test device diagrammatic cross-sectional view that a kind of embodiment according to the invention has law of connected vessels.
Specific implementation mode
The object under test of connected vessels type test device shown in the drawings is superconducting tape 7, side of the superconducting tape to weld
Formula is connected with connecting terminal 6, is positioned in adiabatic pipeline 4, and adiabatic pipeline 4 is low with two respectively by heavy caliber Subzero valve 5
Warm thermally insulated container 3 is connected, and filled with cryogenic media 8 in low temperature insulation container 3, cryogenic media 8 can be liquid helium, liquid nitrogen, liquid hydrogen
Or the cryogenic medias such as liquefied natural gas.
In the test preparation stage, heavy caliber Subzero valve 5 is opened, it is low to two simultaneously by two liquid filling pipelines 1
Cryogenic media 8 is filled in warm thermally insulated container 3, until when being completely filled with cryogenic media 8 in adiabatic pipeline 4.Then pass through side
Gas filling pipeline 2 be filled with pneumatic die cushion pressurization gas into the low temperature insulation container 3 of side, pass through liquid level gauge monitor two low temperature
The liquid level of thermally insulated container 3 is poor, stops inflation after reaching certain numerical value, can monitor two Cryo Heat Insulations by liquid level sensor 9
The liquid level difference of container monitors the pneumatic die cushion pressure difference of two low temperature insulation containers by differential pressure pickup 10, and liquid level difference is gentle
The numerical relation of pillow pressure difference meets Archimedes' principle.After system is fully cooled, by connecting terminal 6 to superconducting tape 7
It is passed through certain (such as meet superconducting state requirement alternatively, less than critical value is quenched) electric current, superconducting tape 7 is made to reach superconduction
State.
During test device works, a kind of scheme is：The gas of both sides is filled by opening high-low pressure compensation flap 11
Tubulature road 2 by high-low pressure balance pipeline 12 be connected, so that the pneumatic die cushion pressure of two low temperature insulation containers 3 is reached balance, at this time by
In by gravity, cryogenic media 8 flows to the other side by adiabatic pipeline 4 by side, passes through the electricity on superconducting tape 7
Pressure sensor measures the instantaneous state information of voltage of superconducting tape, after flowing stops, cutting off the power, and terminates test.
Another scheme is：Pass through the gas leakage hole on the gas filling pipeline on high-pressure side thermally insulated container 3
Plate 13 is deflated, and the pneumatic die cushion pressure of two low temperature insulation containers 3 is made to reach balance, at this time since by gravity, cryogenic media 8 is logical
It crosses adiabatic pipeline 4 and the other side is flowed to by side, the wink of superconducting tape is measured by the voltage sensor on superconducting tape 7
When of-state voltage information, after flowing stop after, cut off the power, terminate test.
Unspecified part of the present invention belongs to common sense well known to those skilled in the art.
Claims (8)
1. a kind of connected vessels type test device for superconducting tape energizing test, it is characterised in that：Including liquid filling pipeline
(1), gas filling pipeline (2), thermally insulated container (3), adiabatic pipeline (4), valve (5), connecting terminal (6)；
Superconducting tape (7) is positioned in adiabatic pipeline (4) and both ends connection connecting terminal (6), and adiabatic pipeline (4) both ends pass through valve
Door (5) is connected with two thermally insulated containers (3) respectively, and gas filling pipeline (2) and liquid are installed respectively on each thermally insulated container (3)
Charging line (1) fills cryogenic media into thermally insulated container (3) by liquid filling pipeline, is completely filled in adiabatic pipeline (4) low
Warm medium (8) passes through connecting terminal by gas filling pipeline (2) so that there are pneumatic die cushion pressure difference in two thermally insulated containers (3)
(6) it is passed through electric current to superconducting tape (7), superconducting tape (7) is made to reach superconducting state, when test, by the gas filling pipeline of both sides
(2) be connected, the pneumatic die cushion pressure of two low temperature insulation containers (3) made to reach balance, cryogenic media (8) by adiabatic pipeline (4) by
Side flows to the other side, and the instantaneous state voltage of superconducting tape is measured by the voltage sensor being mounted on superconducting tape (7)
Information is cut off the power after flowing stops, and completes test.
2. a kind of connected vessels type test device for superconducting tape energizing test, it is characterised in that：Including liquid filling pipeline
(1), gas filling pipeline (2), thermally insulated container (3), adiabatic pipeline (4), valve (5), connecting terminal (6)；
Superconducting tape (7) is positioned in adiabatic pipeline (4) and both ends connection connecting terminal (6), and adiabatic pipeline (4) both ends pass through valve
Door (5) is connected with two thermally insulated containers (3) respectively, and gas filling pipeline (2) and liquid are installed respectively on each thermally insulated container (3)
Charging line (1) fills cryogenic media into thermally insulated container (3) by liquid filling pipeline, is completely filled in adiabatic pipeline (4) low
Warm medium (8) passes through connecting terminal by gas filling pipeline (2) so that there are pneumatic die cushion pressure difference in two thermally insulated containers (3)
(6) it is passed through electric current to superconducting tape (7), superconducting tape (7) is made to reach superconducting state, when test, by being mounted on high-pressure side thermal insulation
Gas leakage orifice plate (16) on gas filling pipeline on container (3) is deflated, and the pneumatic die cushion pressure of two low temperature insulation containers (3) is made
Power reaches balance, and cryogenic media (8) flows to the other side by adiabatic pipeline (4) by side, by being mounted on superconducting tape (7)
Voltage sensor measure superconducting tape instantaneous state information of voltage, after flowing stop after, cut off the power, complete test.
3. device according to claim 1 or 2, it is characterised in that：Pneumatic die cushion pressure difference is greater than the error of pressure sensor
Measurement accuracy.
4. device according to claim 1 or 2, it is characterised in that：Before the test begins, superconducting tape (7) can be taken off more
It changes.
5. device according to claim 1 or 2, it is characterised in that：Connecting terminal (6) is drawn by the trepanning of heat-insulated pipe road
Go out, sealed insulation between connecting terminal and trepanning.
6. device according to claim 1 or 2, it is characterised in that：Connecting terminal (6) is welded on superconducting tape.
7. device according to claim 1 or 2, it is characterised in that：Cryogenic media (8) is liquid helium, liquid nitrogen, liquid hydrogen or liquefaction
Natural gas.
8. device according to claim 1 or 2, it is characterised in that：Two Cryo Heat Insulations are monitored by liquid level sensor (9)
The liquid level difference of container, by differential pressure pickup (10) monitor two low temperature insulation containers pneumatic die cushion pressure difference, and liquid level difference and
The numerical relation of pneumatic die cushion pressure difference meets Archimedes' principle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810272857.7A CN108594036B (en) | 2018-03-29 | 2018-03-29 | Communicating vessel type testing device for superconducting strip electrification test |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810272857.7A CN108594036B (en) | 2018-03-29 | 2018-03-29 | Communicating vessel type testing device for superconducting strip electrification test |
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| Publication Number | Publication Date |
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| CN108594036A true CN108594036A (en) | 2018-09-28 |
| CN108594036B CN108594036B (en) | 2020-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810272857.7A Active CN108594036B (en) | 2018-03-29 | 2018-03-29 | Communicating vessel type testing device for superconducting strip electrification test |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113064108A (en) * | 2021-03-15 | 2021-07-02 | 西安交通大学 | Device for measuring quenching and recovery characteristics of superconducting tape under forced convection cooling |
| CN115333329A (en) * | 2022-06-23 | 2022-11-11 | 北京航天试验技术研究所 | Double-evaporation condensation circulating cooling device and method for high-temperature superconducting motor of hydrogen energy airplane |
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| CN101446609A (en) * | 2008-11-25 | 2009-06-03 | 中国电力科学研究院 | Measurement device of critical current properties of high-temperature superconducting tape |
| CN102496679A (en) * | 2011-11-03 | 2012-06-13 | 上海交通大学 | Liquid nitrogen low-temperature system for superconducting current limiter |
| CN102928332A (en) * | 2012-11-22 | 2013-02-13 | 淮南中科储能科技有限公司 | Dynamic corrosion device of high-temperature liquid medium |
| CN104198803A (en) * | 2014-09-04 | 2014-12-10 | 中国科学院电工研究所 | High-temperature superconducting magnet online monitoring system |
| CN106371043A (en) * | 2016-08-15 | 2017-02-01 | 富通集团有限公司 | Superconducting tape testing device |
| CN106970107A (en) * | 2016-01-13 | 2017-07-21 | 中国科学院理化技术研究所 | Low temperature infusion pipeline capability test system |
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2018
- 2018-03-29 CN CN201810272857.7A patent/CN108594036B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101446609A (en) * | 2008-11-25 | 2009-06-03 | 中国电力科学研究院 | Measurement device of critical current properties of high-temperature superconducting tape |
| CN102496679A (en) * | 2011-11-03 | 2012-06-13 | 上海交通大学 | Liquid nitrogen low-temperature system for superconducting current limiter |
| CN102928332A (en) * | 2012-11-22 | 2013-02-13 | 淮南中科储能科技有限公司 | Dynamic corrosion device of high-temperature liquid medium |
| CN104198803A (en) * | 2014-09-04 | 2014-12-10 | 中国科学院电工研究所 | High-temperature superconducting magnet online monitoring system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113064108A (en) * | 2021-03-15 | 2021-07-02 | 西安交通大学 | Device for measuring quenching and recovery characteristics of superconducting tape under forced convection cooling |
| CN115333329A (en) * | 2022-06-23 | 2022-11-11 | 北京航天试验技术研究所 | Double-evaporation condensation circulating cooling device and method for high-temperature superconducting motor of hydrogen energy airplane |
| CN115333329B (en) * | 2022-06-23 | 2023-04-07 | 北京航天试验技术研究所 | Double-evaporation condensation circulating hydrogen energy aircraft high-temperature superconducting motor cooling device and method |
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| CN108594036B (en) | 2020-12-15 |
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Effective date of registration: 20220810 Address after: 100074, Lane 1, Yungang Tian Town, Beijing, Fengtai District Patentee after: BEIJING INSTITUTE OF AEROSPACE TESTING TECHNOLOGY Address before: 100074, No. 1, Zhong Li, Tian City, Beijing, Fengtai District Patentee before: BEIJING INSTITUTE OF AEROSPACE TESTING TECHNOLOGY Patentee before: BEIJING AEROSPACE RATE MECHANICAL & ELECTRICAL ENGINEERING Co.,Ltd. |
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