CN102955087B - Equipment for measuring critical current characteristics of high temperature superconductivity long strip - Google Patents
Equipment for measuring critical current characteristics of high temperature superconductivity long strip Download PDFInfo
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- CN102955087B CN102955087B CN201210438895.8A CN201210438895A CN102955087B CN 102955087 B CN102955087 B CN 102955087B CN 201210438895 A CN201210438895 A CN 201210438895A CN 102955087 B CN102955087 B CN 102955087B
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Abstract
The invention relates to equipment for measuring the critical current characteristics of a high temperature superconductivity long strip. The equipment comprises an original strip spool, a first measurement strip spool, a first motor, a length measurement device, a second measurement strip spool, a second motor, a trigram-shaped measurement framework, a third motor, a first insulation strip spool, a second insulation strip spool, a current source, a first voltmeter, a second voltmeter, a computer and an open type liquid nitrogen dewar, wherein the middle part of the high temperature superconductivity long strip is embedded into a trigram-shaped groove; the computer is used for controlling the equipment and analyzing the critical current characteristics of the high temperature superconductivity long strip; and after the process when the high temperature superconductivity long strip is wound towards the trigram-shaped measurement framework, under the condition that the trigram-shaped measurement framework is arranged along the horizontal direction, the high temperature superconductivity long strip to be measured and the trigram-shaped measurement framework are soaked in liquid nitrogen in the liquid nitrogen dewar, and the critical current characteristics of the high temperature superconductivity long strip are measured. The equipment can more accurately and conveniently measure the critical current characteristics.
Description
Technical field
The present invention relates to belt material of high temperature superconduct technical field, particularly, the present invention relates to a kind of belt material of high temperature superconduct long band critical current properties measuring equipment.
Background technology
Along with the development of high temperature superconductor technology, superconducting power device is realizing having wide and irreplaceable application prospect in the lightweight of electric device, miniaturization, the security of low energy consumption and raising electric system, stability and power quality etc., it will bring the significant innovation of power industry, and countries in the world are all formulated and implemented corresponding superconducting power development plan.In the development, production run of superconducting power device, it is essential that detect the critical current properties of belt material of high temperature superconduct, comprising the detection to belt material of high temperature superconduct long band critical current properties.
Chinese invention patent document CN 1244816C discloses a kind of superconductor high-temperature strip critical current measuring device, and it adopts compression bonding method, by superconducting tape parallel winded on quartz ampoule, then quartz ampoule is fixed on four contact bottoms of measurement mechanism.This apparatus structure is simple, but because superconducting tape is evenly wound on quartz ampoule, be equivalent to coiling solenoid coil, direct current is by producing certain magnetic field during band, due to the impact in magnetic field, the accuracy that superconduction belt material critical current is measured cannot ensure; Critical current for the belt material of high temperature superconduct of different length, different in width is measured, and needs the quartz ampoule preparing many cover different sizes; For the belt material of high temperature superconduct of length (such as length is greater than 100m) and wider size (current YBCO strip width is generally greater than 10mm), this device is difficult to the measurement realizing long band critical current; For the belt material of high temperature superconduct of length, this device needs longer quartz ampoule, so just needs the liquid nitrogen container that preparation one is larger, and needs to guarantee that belt material of high temperature superconduct is crossed in liquid nitrogen submergence in process of the test, this just needs more liquid nitrogen, and experimentation cost is higher.
In a word, in the belt material of high temperature superconduct long band critical current properties measuring equipment of prior art, there is measuring accuracy and to be easily interfered the defect of impact in magnetic field, and use also very inconvenient.
Summary of the invention
In view of the defect of prior art, the object of the invention is to develop a kind of belt material of high temperature superconduct long band critical current properties measuring equipment, it more accurately and easily can carry out belt material of high temperature superconduct long band critical current properties and measure.
The invention provides a kind of belt material of high temperature superconduct long band critical current properties measuring equipment, it is characterized in that, described belt material of high temperature superconduct long band critical current properties measuring equipment comprises:
Original tep reel, described original tep reel is wound with the belt material of high temperature superconduct that will measure;
First measures tep reel, and described first measures tep reel for receiving the belt material of high temperature superconduct from described original tep reel;
First motor, described first motor and described first is measured tep reel and is connected, for driving described first measuring tape disc spins;
Length measurment device, described length measurment device and described first measures the adjacent layout of tep reel, for measuring the length of belt material of high temperature superconduct, wherein, by the driving of described first motor, described first measuring tape disc spins makes the belt material of high temperature superconduct on described original tep reel to be all wound into described first and measures on tep reel, thus utilizes this length measurment device to record the total length of the belt material of high temperature superconduct that will measure;
Second measures tep reel, and described second measures tep reel can receive the belt material of high temperature superconduct measuring tep reel from described first;
Second motor, described second motor and described second is measured tep reel and is connected, for driving described second measuring tape disc spins, wherein, after the belt material of high temperature superconduct that will measure all is wound on described first measurement tep reel, by described first motor, described second motor controls described first respectively and measures tep reel, described second measuring tape disc spins, make the described first a part of belt material of high temperature superconduct measured on tep reel be wound onto described second to measure on tep reel and utilize described length measurment device to make described first to measure tep reel and described second to measure the length of the belt material of high temperature superconduct that tep reel is wound around equal,
Eight diagram-shaped measurement skeleton, described eight diagram-shaped measurement framework location measures the point midway place between tep reel and described second measurement tep reel described first, eight diagram-shaped fluting is provided with in described eight diagram-shaped measurement skeleton, described first measure tep reel and described second measure the length of the belt material of high temperature superconduct that tep reel is wound around equal after, measure the belt material of high temperature superconduct that tep reel and described second measures the center section between tep reel by described first and embed in described eight diagram-shaped fluting;
3rd motor, described 3rd motor is connected with described eight diagram-shaped measurement skeleton, rotate for embedding eight diagram-shaped measurement skeleton described in the rear drive in described eight diagram-shaped fluting at the belt material of high temperature superconduct measuring the center section between tep reel and described second measurement tep reel by described first, so that described first measurement tep reel and the described second belt material of high temperature superconduct measured on tep reel are wound on described eight diagram-shaped measurement skeleton;
First insulation tep reel, described first insulation tep reel is wound with the first para tape, for being wound onto the outside in the process on described eight diagram-shaped measurement skeleton, the first para tape being pasted belt material of high temperature superconduct at the described second belt material of high temperature superconduct measured on tep reel;
Second insulation tep reel, described second insulation tep reel is wound with the second para tape, for being wound onto the outside in the process on described eight diagram-shaped measurement skeleton, the second para tape being pasted belt material of high temperature superconduct at the described first belt material of high temperature superconduct measured on tep reel;
Current source, described current source is for providing the DC current needed for measurement, one end of described current source is electrically connected with one end of the belt material of high temperature superconduct around described eight diagram-shaped measurement wound, and the other end of described current source is electrically connected by the other end of shunt with the belt material of high temperature superconduct around described eight diagram-shaped measurement wound;
First voltage table, the two ends of described first voltage table are connected, for measuring the voltage on described shunt with the two ends electricity of described shunt respectively;
Second voltage table, the two ends of described second voltage table are electrically connected with the two ends of the belt material of high temperature superconduct around described eight diagram-shaped measurement wound respectively, for measuring around the voltage on the belt material of high temperature superconduct of described eight diagram-shaped measurement wound;
Computing machine, described computing machine is connected with described first motor, described second motor, described 3rd motor, described current source, described first voltage table, described second voltage table respectively by data line, for controlling described first motor, described second motor, described 3rd motor, described current source and gather described first voltage table, the voltage data of described second voltage table the critical current properties of analytical calculation belt material of high temperature superconduct;
Open Dewar container for liquefied nitrogen, is equipped with liquid nitrogen in described open Dewar container for liquefied nitrogen;
Wherein, by belt material of high temperature superconduct from described first measure tep reel and described second measure tep reel towards described eight diagram-shaped measurement wound process after, when described eight diagram-shaped measurement skeleton keeps horizontal direction to place, by the first jacking gear, the belt material of high temperature superconduct that will measure and described eight diagram-shaped measurement skeleton are immersed in the liquid nitrogen in described open Dewar container for liquefied nitrogen, utilize current source described in described computer starting and start to measure the critical current properties of belt material of high temperature superconduct.
Preferably, by belt material of high temperature superconduct from described first measure tep reel and described second measure tep reel towards described eight diagram-shaped measurement wound process at the end of, one end of described belt material of high temperature superconduct is still connected to described first and measures on tep reel, thus measure tep reel be electrically connected with described first, and the other end of described belt material of high temperature superconduct is still connected to described second measures on tep reel, thus measures tep reel be electrically connected with described second.And, above-mentioned one end and described first of described current source is measured tep reel and is electrically connected, the above-mentioned other end of described current source is measured tep reel by described shunt and described second and is electrically connected, wherein, described first motor and described first is measured the first gear train adopting insulating material to make between tep reel and is carried out transmission, and described second motor and described second is measured the second gear train adopting insulating material to make between tep reel and is carried out transmission, described eight diagram-shaped measurement skeleton is made up of insulating material, described first measurement tep reel and described second is measured tep reel and is made up of conductive material.Wherein, before starting to measure the critical current properties of belt material of high temperature superconduct, when described first measures tep reel and described second measurement tep reel keeps horizontal direction to place, respectively by the second jacking gear and the 3rd jacking gear, described first measurement tep reel and described second are measured tep reel and also immerse in the liquid nitrogen in described open Dewar container for liquefied nitrogen.
Preferably, described first jacking gear is formed by the first telescopic sleeving rod between the output shaft of described 3rd motor and described eight diagram-shaped measurement skeleton, the second telescopic sleeving rod that described second jacking gear is measured between tep reel by the output shaft and described first of described first motor is formed, the 3rd telescopic sleeving rod that described 3rd jacking gear is measured between tep reel by the output shaft and described second of described second motor is formed, wherein, described first telescopic sleeving rod, each telescopic sleeving rod in described second telescopic sleeving rod and described 3rd telescopic sleeving rod includes interior bar and outer sleeve, described interior bar is enclosed within the inside of described outer sleeve and can moves up and down in the inside of described outer sleeve, pilot hole is respectively equipped with in described interior bar and described outer sleeve, the register pin pilot hole passed in described interior bar and described outer sleeve is utilized to fix the relative position of described interior bar and described outer sleeve, thus realize the elevating movement of described outer sleeve relative to described interior bar.
Preferably, described belt material of high temperature superconduct long band critical current properties measuring equipment also comprises:
First voltage measurement wheel, is electrically connected with belt material of high temperature superconduct in the one end side portion pressing against the belt material of high temperature superconduct be wrapped on described eight diagram-shaped measurement skeleton;
Second voltage measurement wheel, is electrically connected with belt material of high temperature superconduct in another one end side portion pressing against the belt material of high temperature superconduct be wrapped on described eight diagram-shaped measurement skeleton;
Wherein, one end of described second voltage table is taken turns with described first voltage measurement and is electrically connected, and the other end of described second voltage table is taken turns with described second voltage measurement and is electrically connected.
Preferably, described first measurement tep reel and described second is measured tep reel and is all comprised Part I and Part II, the arc-shaped bend radius that described Part I belt material of high temperature superconduct passes through should be greater than the critical bend radius of belt material of high temperature superconduct, described Part II is by screw or be bolted on described Part I, thus also can be clipped in harmless for of a belt material of high temperature superconduct end securely between described Part I and described Part II.
Preferably, described eight diagram-shaped measurement skeleton comprises:
Main part, is provided with described eight diagram-shaped fluting in described main part, the arc-shaped bend radius of described eight diagram-shaped fluting should be greater than the critical bend radius of belt material of high temperature superconduct;
Outer annular plate portion, described outer annular plate portion is positioned at the lower edge portions place of described main part, and from the lower edge portions of described main part outwardly, described outer annular plate portion and described main part are integrally formed;
Wherein, described belt material of high temperature superconduct is wrapped in the cylindrical peripheral of described main part.
Belt material of high temperature superconduct long band critical current properties measuring equipment of the present invention more accurately and easily can carry out belt material of high temperature superconduct long band critical current properties and measure.Especially, present invention employs the eight diagram-shaped measurement skeleton with eight diagram-shaped fluting and make belt material of high temperature superconduct be wrapped on eight diagram-shaped measurement skeleton, this can make to remove the impact of measuring the disturbing magnetic field that electric current causes, thus measurement result can be made more accurate.And, in the present invention, can measure tep reel and described second measures tep reel maintenance horizontal direction placement at described eight diagram-shaped measurement skeleton, described first and described eight diagram-shaped measurement skeleton, described first measurement tep reel and described second are measured the liquid nitrogen that tep reel puts into open Dewar container for liquefied nitrogen, the liquid nitrogen consumption in Dewar container for liquefied nitrogen can be saved like this, that is, less liquid nitrogen can be used just can to realize the object measured.In addition, eight diagram-shaped measurement skeleton of the present invention comprises main part and outer annular plate portion, belt material of high temperature superconduct long band critical current properties measuring equipment of the present invention can be made like this to be applicable to the belt material of high temperature superconduct of various width, that is, equipment of the present invention has extremely wide range of application.
Accompanying drawing explanation
Fig. 1 is the summary side elevation of the general structure of belt material of high temperature superconduct long band critical current properties measuring equipment of the present invention, shows belt material of high temperature superconduct and to be wrapped on original tep reel and the situation also not starting to measure critical current properties of high-temperature superconducting tape.
Fig. 2 is the approximate vertical view of the general structure of observing the belt material of high temperature superconduct long band critical current properties measuring equipment of the present invention seen from the A-A ' Fig. 1 downwards.
Fig. 3 is the summary side elevation of the general structure of belt material of high temperature superconduct long band critical current properties measuring equipment of the present invention, show belt material of high temperature superconduct from original tep reel to the first measuring tape travelling expenses around situation.
Fig. 4 is the approximate vertical view of the general structure of observing the belt material of high temperature superconduct long band critical current properties measuring equipment of the present invention seen from the B-B ' Fig. 3 downwards.
Fig. 5 is the summary side elevation of the general structure of belt material of high temperature superconduct long band critical current properties measuring equipment of the present invention, show belt material of high temperature superconduct from first measure tep reel to the second measuring tape travelling expenses around situation.
Fig. 6 is the approximate vertical view of the general structure of observing the belt material of high temperature superconduct long band critical current properties measuring equipment of the present invention seen from the C-C ' Fig. 5 downwards.
Fig. 7 is the summary side elevation of the general structure of belt material of high temperature superconduct long band critical current properties measuring equipment of the present invention, shows belt material of high temperature superconduct and measures the situation of tep reel to eight diagram-shaped measurement wound from the first measurement tep reel and second.
Fig. 8 is the approximate vertical view of the general structure of observing the belt material of high temperature superconduct long band critical current properties measuring equipment of the present invention seen from the D-D ' Fig. 7 downwards.
Fig. 8 A is the eight diagram-shaped measurement skeleton enlarged diagram observing belt material of high temperature superconduct long band critical current properties measuring equipment of the present invention from Fig. 8, which show the situation that belt material of high temperature superconduct and the first para tape, the second para tape are wound around on eight diagram-shaped measurement skeleton.
Fig. 9 is the summary side elevation of the general structure of belt material of high temperature superconduct long band critical current properties measuring equipment of the present invention, shows the eight diagram-shaped measurement skeleton, first being wound with belt material of high temperature superconduct and measures tep reel and second and measure tep reel and to immerse in open Dewar container for liquefied nitrogen and the situation carrying out measuring critical current properties of high-temperature superconducting tape.
Figure 10 is the approximate vertical view of the general structure of observing the belt material of high temperature superconduct long band critical current properties measuring equipment of the present invention seen from the E-E ' Fig. 9 downwards.
Figure 11 A and Figure 11 B shows the structure that the first measurement tep reel and second measures tep reel, and it is that Part I and Part II interfix and separated schematic diagram respectively.
Figure 12 A and Figure 12 B is showing vertical view and the cut-open view of the structure of eight diagram-shaped measurement skeleton respectively.
Figure 13 A and Figure 13 B shows the dependency structure of telescopic sleeving rod, and it is the lower position of interior bar in outer sleeve and the schematic diagram of upper position respectively.
Embodiment
The present invention is described in detail below in conjunction with the drawings and specific embodiments.
It is the general structure skeleton diagram of belt material of high temperature superconduct long band critical current properties measuring equipment of the present invention shown by Fig. 1 ~ Figure 10.Particularly, Fig. 1 is the summary side elevation of the general structure of belt material of high temperature superconduct long band critical current properties measuring equipment of the present invention, shows belt material of high temperature superconduct 1 and to be wrapped on original tep reel 2 and the situation also not starting to measure critical current properties of high-temperature superconducting tape.Fig. 2 is the approximate vertical view of the general structure of observing the belt material of high temperature superconduct long band critical current properties measuring equipment of the present invention seen from the A-A ' Fig. 1 downwards.Fig. 3 is the summary side elevation of the general structure of belt material of high temperature superconduct long band critical current properties measuring equipment of the present invention, shows belt material of high temperature superconduct 1 measures tep reel 3 winding situation from original tep reel 2 to first.Fig. 4 is the approximate vertical view of the general structure of observing the belt material of high temperature superconduct long band critical current properties measuring equipment of the present invention seen from the B-B ' Fig. 3 downwards.Fig. 5 is the summary side elevation of the general structure of belt material of high temperature superconduct long band critical current properties measuring equipment of the present invention, shows belt material of high temperature superconduct 1 and measures the situation of tep reel 3 to the second measurement tep reel 4 winding from first.Fig. 6 is the approximate vertical view of the general structure of observing the belt material of high temperature superconduct long band critical current properties measuring equipment of the present invention seen from the C-C ' Fig. 5 downwards.Fig. 7 is the summary side elevation of the general structure of belt material of high temperature superconduct long band critical current properties measuring equipment of the present invention, shows the situation that belt material of high temperature superconduct 1 is wound around from the first measurement tep reel 3 and the second measurement tep reel 4 to eight diagram-shaped measurement skeleton 6.Fig. 8 is the approximate vertical view of the general structure of observing the belt material of high temperature superconduct long band critical current properties measuring equipment of the present invention seen from the D-D ' Fig. 7 downwards.Fig. 8 A is the eight diagram-shaped measurement skeleton enlarged diagram observing belt material of high temperature superconduct long band critical current properties measuring equipment of the present invention from Fig. 8, which show the situation that belt material of high temperature superconduct 1 and the first para tape 9 ', the second para tape 9 are wound around on eight diagram-shaped measurement skeleton 6.Fig. 9 is the summary side elevation of the general structure of belt material of high temperature superconduct long band critical current properties measuring equipment of the present invention, shows the eight diagram-shaped measurement skeleton 6, first being wound with belt material of high temperature superconduct 1 and measures tep reel 3 and second and measure tep reel 4 and to immerse in open Dewar container for liquefied nitrogen 23 and the situation carrying out measuring critical current properties of high-temperature superconducting tape.Figure 10 is the approximate vertical view of the general structure of observing the belt material of high temperature superconduct long band critical current properties measuring equipment of the present invention seen from the E-E ' Fig. 9 downwards.
As depicted in figs. 1 and 2, belt material of high temperature superconduct long band critical current properties measuring equipment of the present invention comprises: original tep reel 2, described original tep reel 2 is wound with the belt material of high temperature superconduct 1 needing to measure, wherein in fig. 1 and 2, the belt material of high temperature superconduct 1 measured is needed still all to be wrapped on original tep reel 2; First measures tep reel 3, and described first measures tep reel 3 for receiving the belt material of high temperature superconduct 1 from described original tep reel 2; First motor 12, described first motor 12 and described first is measured tep reel 3 and is connected, and measures tep reel 3 rotate for driving described first.As depicted in figs. 1 and 2, described first motor 12 and described first is measured tep reel 3 and can be connected by telescopic sleeving rod 15, and the concrete structure of telescopic sleeving rod 15 will be described in detail below; Length measurment device 5, described length measurment device 5 measures the adjacent layout of tep reel 3, for measuring the length of belt material of high temperature superconduct 1 with described first.In the embodiment of Fig. 1 and Fig. 2, length measurment device 5 can be formed by scrambler, and those skilled in the art also can adopt other length-measuring appliance known to form above-mentioned length measurment device 5.As shown in Figure 3 and Figure 4, by the driving of described first motor 12, described first measures tep reel 3 rotates, make the belt material of high temperature superconduct 1 on described original tep reel 2 to be all wound into described first to measure on tep reel 3, thus this length measurment device 5 can be utilized to record the total length of the belt material of high temperature superconduct 1 that will measure.
Belt material of high temperature superconduct long band critical current properties measuring equipment of the present invention also comprises: second measures tep reel 4, and described second measures tep reel 4 can receive the belt material of high temperature superconduct 1 measuring tep reel 3 from described first; Second motor 14, described second motor 14 and described second is measured tep reel 4 and is connected, measure tep reel 4 for driving described second to rotate, as shown in Figure 5 and Figure 6, described second motor 14 and described second is measured tep reel 4 and can be connected by telescopic sleeving rod 17, and the concrete structure of telescopic sleeving rod 17 will be described in detail below.As shown in Figure 5 and Figure 6, after the belt material of high temperature superconduct 1 being made by the first motor 12 to measure all is wound into described first measurement tep reel 3 from original tep reel 2, control described first measurement tep reel 3 respectively by described first motor 12, described second motor 14, described second measurement tep reel 4 rotates, make the described first a part of belt material of high temperature superconduct 1 measured on tep reel 3 be wound onto described second and measure on tep reel 4., utilize the measurement result of described length measurment device 5 to control the rotation of described first motor 12, described second motor 14 here, the length of the belt material of high temperature superconduct 1 that described first measurement tep reel 3 and described second measurement tep reel 4 are wound around can be made equal.This can carry out corresponding calculating by computing machine 22 described below and control to realize.
As Fig. 7, shown in Fig. 8 and Fig. 8 A, belt material of high temperature superconduct long band critical current properties measuring equipment of the present invention also comprises: eight diagram-shaped measurement skeleton 6, described eight diagram-shaped measurement skeleton 6 is positioned at the point midway place between described first measurement tep reel 3 and described second measurement tep reel 4, the concrete shape being provided with the eight diagram-shaped fluting of eight diagram-shaped fluting 28(28 in described eight diagram-shaped measurement skeleton 6 has carried out detailed diagram in fig. 12), after the length of the belt material of high temperature superconduct 1 making winding on described first measurement tep reel 3 and described second measurement tep reel 4 is equal, the belt material of high temperature superconduct 1 measuring tep reel 3 and the described second center section measured between tep reel 4 by described first embeds in the eight diagram-shaped fluting 28 of described eight diagram-shaped measurement skeleton 6, 3rd motor 13, described 3rd motor 13 is connected with described eight diagram-shaped measurement skeleton 6, rotate for embedding eight diagram-shaped measurement skeleton 6 described in the rear drive in described eight diagram-shaped fluting 28 at the belt material of high temperature superconduct 1 measuring tep reel 3 and the described second center section measured between tep reel 4 by described first, be wound on described eight diagram-shaped measurement skeleton 6 with the belt material of high temperature superconduct 1 measured described first on tep reel 3 and described second measurement tep reel 4, as shown in Figure 7 and Figure 8, described 3rd motor 13 can be connected by telescopic sleeving rod 16 with described eight diagram-shaped measurement skeleton 6, the concrete structure of telescopic sleeving rod 16 will be described in detail below, first insulation tep reel 7, described first insulation tep reel 7 is wound with the first para tape 9 ', for being wound onto the outside in the process on described eight diagram-shaped measurement skeleton 6, first para tape 9 ' being pasted belt material of high temperature superconduct 1 at the described second belt material of high temperature superconduct 1 measured on tep reel 4, second insulation tep reel 8, described second insulation tep reel 8 is wound with the second para tape 9, for being wound onto the outside in the process on described eight diagram-shaped measurement skeleton 6, second para tape 9 being pasted belt material of high temperature superconduct 1 at the described first belt material of high temperature superconduct 1 measured on tep reel 3.From the first para tape 9 ' of the first insulation tep reel 7 be coated on the outside of belt material of high temperature superconduct 1 from the second para tape 9 of the second insulation tep reel 8, each layer belt material of high temperature superconduct 1 of being wrapped on eight diagram-shaped measurement skeleton 6 can be made so insulated from each other, carry out critical current properties measurement so that follow-up.
As shown in Figure 9 and Figure 10, belt material of high temperature superconduct long band critical current properties measuring equipment of the present invention also comprises: current source 18, described current source 18 is for providing the DC current needed for measurement, one end of described current source 18 is electrically connected with the one end of the belt material of high temperature superconduct 1 be wound around around described eight diagram-shaped measurement skeleton 6, and the other end of described current source 18 is electrically connected with the other end of the belt material of high temperature superconduct 1 be wound around around described eight diagram-shaped measurement skeleton 6 by shunt 19; First voltage table 20, the two ends of described first voltage table 20 are connected, for measuring the voltage on described shunt 19 with the two ends electricity of described shunt 19 respectively; Second voltage table 21, the two ends of described second voltage table 21 are electrically connected with the two ends of the belt material of high temperature superconduct 1 be wound around around described eight diagram-shaped measurement skeleton 6 respectively, for measuring around the voltage on the belt material of high temperature superconduct 1 of described eight diagram-shaped measurement skeleton 6 winding; Computing machine 22, described computing machine 22 is connected with described first motor 12, described second motor 14, described 3rd motor 13, described current source 18, described first voltage table 20, described second voltage table 21 respectively by data line, for controlling described first motor 12, described second motor 14, described 3rd motor 13, described current source 18 and gather described first voltage table 20, the described voltage data of the second voltage table 21 critical current properties of analytical calculation belt material of high temperature superconduct 1; Open Dewar container for liquefied nitrogen 23, is equipped with liquid nitrogen in described open Dewar container for liquefied nitrogen 23.In the embodiment shown in fig. 10, open Dewar container for liquefied nitrogen 23 has oval profile.The present invention is not limited thereto.The shape of open Dewar container for liquefied nitrogen 23 also can be rectangle, square etc.
Measure tep reel 4 towards after the process that described eight diagram-shaped measurement skeleton 6 is wound around belt material of high temperature superconduct 1 is measured tep reel 3 and described second from described first, when described eight diagram-shaped measurement skeleton 6 keeps horizontal direction to place, by the first jacking gear, the belt material of high temperature superconduct 1 that will measure and described eight diagram-shaped measurement skeleton 6 can be immersed in the liquid nitrogen in described open Dewar container for liquefied nitrogen 23, utilize described computing machine 22 to start described current source 18 and start to measure the critical current properties of belt material of high temperature superconduct 1.
Here, described first jacking gear can be formed by the telescopic sleeving rod 16 between the output shaft of described 3rd motor 13 and described eight diagram-shaped measurement skeleton 6.Telescopic sleeving rod 16 can make eight diagram-shaped measurement skeleton 6 move up and down along vertical direction, and its concrete structure will be described in detail below.Those skilled in the art can know, also other suitable mechanical transmission mechanism well known in the art can be adopted to move up and down along vertical direction to make described eight diagram-shaped measurement skeleton 6 as above-mentioned first jacking gear, such as, motor-driven screw drive mechanism etc. can be adopted to realize described eight diagram-shaped measurement skeleton 6 move up and down along vertical direction.
Eight diagram-shaped measurement skeleton 6 is substantially in " convex " word shape.Particularly, Figure 12 A and Figure 12 B is showing vertical view and the cut-open view of the structure of eight diagram-shaped measurement skeleton 6 respectively.Figure 12 B is the view cutting acquisition from the F-F ' Figure 12 A open.As illustrated in figs. 12 a and 12b, described eight diagram-shaped measurement skeleton 6 comprises: main part 29, is provided with described eight diagram-shaped fluting 28 in described main part 29, and the arc-shaped bend radius of described eight diagram-shaped fluting 28 should be greater than the critical bend radius of belt material of high temperature superconduct; Outer annular plate portion 30, described outer annular plate portion 30 is positioned at the lower edge portions place of described main part 29 and from the lower edge portions of described main part 29 outwardly, described outer annular plate portion 30 and described main part 29 are integrally formed.Described belt material of high temperature superconduct 1 will be wrapped in the cylindrical peripheral of described main part 29.Those skilled in the art it should be appreciated that, above-mentioned " when described eight diagram-shaped measurement skeleton 6 keeps horizontal direction to place " refers to the situation that the main part 29 of eight diagram-shaped measurement skeleton 6 and the rotation center axis in outer annular plate portion 30 are arranged along vertical axis, i.e. the main part 29 of eight diagram-shaped measurement skeleton 6 and outer annular plate portion 30 situation of arranging along surface level.
As shown in Figure 9 and Figure 10, at the end of the process that belt material of high temperature superconduct 1 is wound around from described first measurement tep reel 3 and described second measurement tep reel 4 towards described eight diagram-shaped measurement skeleton 6, one end of described belt material of high temperature superconduct 1 is still connected to described first and measures on tep reel 3, thus described belt material of high temperature superconduct 1 and described first is measured tep reel 3 and is electrically connected, and the other end of described belt material of high temperature superconduct 1 is still connected to described second measures on tep reel 4, thus described belt material of high temperature superconduct 1 and described second is measured tep reel 4 and is also electrically connected.Further, one end and described first of described current source 18 is measured tep reel 3 and is electrically connected, and the other end of described current source 18 is measured tep reel 4 by described shunt 19 and described second and is electrically connected.In this case, described first motor 12 and described first is measured first gear train that insulating material should be adopted to make between tep reel 3 and is carried out transmission, and described second motor 14 and described second is measured second gear train that insulating material also should be adopted to make between tep reel 4 and is carried out transmission, described eight diagram-shaped measurement skeleton 6 is made up of insulating material, such as epoxide resin material, and described first measurement tep reel 3 and described second is measured tep reel 4 and is made up of conductive material, such as steel.Adopt above-mentioned Material selec-tion, described first motor 12, described second motor 14, described 3rd motor 13 can be made to damage from rush of current during measuring.
Further, before starting to measure the critical current properties of belt material of high temperature superconduct 1, when described first measures tep reel 3 and described second measurement tep reel 4 keeps horizontal direction to place, respectively by the second jacking gear and the 3rd jacking gear, described first measurement tep reel 3 and described second can be measured tep reel 4 and also immerse in the liquid nitrogen in described open Dewar container for liquefied nitrogen 23.What those skilled in the art will know that is, above-mentioned " when described first measures tep reel 3 and described second measurement tep reel 4 keeps horizontal direction to place " refers to the situation that the described first rotation center axis measuring tep reel 3 and described second measurement tep reel 4 is arranged along vertical axis, and namely described first measurement tep reel 3 and described second measures the situation that tep reel 4 is arranged along surface level.
As shown in Figure 9 and Figure 10, the telescopic sleeving rod 15 that described second jacking gear is measured between tep reel 3 by the output shaft and described first of described first motor 12 is formed, and the telescopic sleeving rod 17 that described 3rd jacking gear is measured between tep reel 4 by the output shaft and described second of described second motor 14 is formed.Those skilled in the art can know, also other suitable mechanical transmission mechanism well known in the art can be adopted to be used as second, third jacking gear above-mentioned measure tep reel 4 move up and down along vertical direction to make described first to measure tep reel 3, second, such as, motor-driven screw drive mechanism can be adopted to move up and down to realize described first measurement tep reel 3, second measurement tep reel 4 along vertical direction.
Figure 13 A and Figure 13 B shows the dependency structure of telescopic sleeving rod, and it is the lower position of interior bar 25 in outer sleeve 24 and the schematic diagram of upper position respectively.As shown in figures 13 a and 13b, each in described telescopic sleeving rod 15, described telescopic sleeving rod 16 and described telescopic sleeving rod 17 all can comprise interior bar 25 and outer sleeve 24, and described interior bar 25 is enclosed within the inside of described outer sleeve 24 and can moves up and down in the inside of described outer sleeve 24.Pilot hole is respectively equipped with in described interior bar 25 and described outer sleeve 24, utilize register pin 31 to fix the relative position of described interior bar 25 and described outer sleeve 24 through the pilot hole in described interior bar 25 and described outer sleeve 24, thus the elevating movement of described outer sleeve 24 relative to described interior bar 25 can be realized.The lower end of interior bar 25 is provided with the end outwards expanded, and the upper end of outer sleeve 24 is provided with inwardly outstanding flange, to prevent interior bar 25 from departing from outer sleeve 24.The upper end of interior bar 25 is used for being fixedly connected with the output terminal of motor, and the bottom of outer sleeve 24 is used for the corresponding parts measured with described first in tep reel 3, second measurement tep reel 4, eight diagram-shaped measurement skeleton 6 and is fixedly connected with.If the position of interior bar 25 is fixed, then by inserting in different pilot holes by register pin 31, the diverse location of outer sleeve 24 in the vertical direction can be set.
As shown in Figure 9 and Figure 10, described belt material of high temperature superconduct long band critical current properties measuring equipment can also comprise: the first voltage measurement wheel 11, for press against the belt material of high temperature superconduct 1 be wrapped on described eight diagram-shaped measurement skeleton 6 an one end side portion on and be electrically connected with belt material of high temperature superconduct 1; Second voltage measurement wheel 10, for press against the belt material of high temperature superconduct 1 be wrapped on described eight diagram-shaped measurement skeleton 6 another one end side portion on and be electrically connected with belt material of high temperature superconduct 1.One end of described second voltage table 21 is taken turns 11 with described first voltage measurement and is electrically connected, and the other end of described second voltage table 21 is taken turns 10 with described second voltage measurement and is electrically connected.By arranging the first voltage measurement wheel 11, second voltage measurement wheel 10, can facilitate and carry out voltage measurement securely.
Figure 11 A and Figure 11 B shows the structure that the first measurement tep reel and second measures tep reel, and it is that Part I 26 and Part II 27 interfix and separated schematic diagram respectively.As seen in figs. 11 a and 11b, described first measures each that tep reel 3 and described second measures in tep reel 4 can comprise Part I 26 and Part II 27, the arc-shaped bend radius that described Part I 26 belt material of high temperature superconduct passes through should be greater than the critical bend radius of belt material of high temperature superconduct, described Part II 27 is fixed on described Part I 26 by screw or bolt etc., thus also can be clipped in harmless for of belt material of high temperature superconduct 1 end securely between described Part I 26 and described Part II 27.Namely, belt material of high temperature superconduct 1 end is placed between described Part I 26 and described Part II 27, and utilize the fixing described Part I 26 such as screw or bolt and described Part II 27, thus the end winding support of belt material of high temperature superconduct 1 is measured the corresponding measurement tep reel in tep reel and the second measurement tep reel to above-mentioned first.Profit in this way, can facilitate the end fixing belt material of high temperature superconduct 1 securely.
It is pointed out that those skilled in the art can know, " belt material of high temperature superconduct long band " is Essential Terms in superconductor field, and it is generally used for representing the belt material of high temperature superconduct of length more than 100 meters.
Belt material of high temperature superconduct long band critical current properties measuring equipment of the present invention more accurately and easily can carry out belt material of high temperature superconduct long band critical current properties and measure.Especially, present invention employs the eight diagram-shaped measurement skeleton with eight diagram-shaped fluting and make belt material of high temperature superconduct be wrapped on eight diagram-shaped measurement skeleton, this can make to remove the impact of measuring the disturbing magnetic field that electric current causes, thus measurement result can be made more accurate.And, in the present invention, can measure tep reel and described second measures tep reel maintenance horizontal direction placement at described eight diagram-shaped measurement skeleton, described first and described eight diagram-shaped measurement skeleton, described first measurement tep reel and described second are measured the liquid nitrogen that tep reel puts into open Dewar container for liquefied nitrogen, the liquid nitrogen consumption in Dewar container for liquefied nitrogen can be saved like this, that is, less liquid nitrogen can be used just can to realize the object measured.In addition, eight diagram-shaped measurement skeleton of the present invention comprises main part and outer annular plate portion, belt material of high temperature superconduct long band critical current properties measuring equipment of the present invention can be made like this to be applicable to the belt material of high temperature superconduct of various width, that is, equipment of the present invention has extremely wide range of application.
For the ordinary skill in the art, can be easy to carry out various modification and improvement to the details of embodiments of the invention.These modification and improvement all drop within the scope of design of the present invention.
Claims (6)
1. a belt material of high temperature superconduct long band critical current properties measuring equipment, is characterized in that, described belt material of high temperature superconduct long band critical current properties measuring equipment comprises:
Original tep reel (2), described original tep reel (2) is wound with the belt material of high temperature superconduct (1) needing to measure;
First measures tep reel (3), and described first measures tep reel (3) for receiving the belt material of high temperature superconduct (1) from described original tep reel (2);
First motor (12), described first motor (12) and described first is measured tep reel (3) and is connected, and measures tep reel (3) rotate for driving described first;
Length measurment device (5), described length measurment device (5) and described first measures tep reel (3) adjacent layout, for measuring the length of belt material of high temperature superconduct (1); Wherein, by the driving of described first motor (12), described first measures tep reel (3) rotates, belt material of high temperature superconduct (1) on described original tep reel (2) is all wound into described first to measure on tep reel (3), thus utilizes this length measurment device (5) to record the total length of the belt material of high temperature superconduct (1) that will measure;
Second measures tep reel (4), and described second measures tep reel (4) can receive the belt material of high temperature superconduct (1) measuring tep reel (3) from described first;
Second motor (14), described second motor (14) and described second is measured tep reel (4) and is connected, measure tep reel (4) for driving described second to rotate, wherein, after the belt material of high temperature superconduct that will measure (1) is all wound into described first measurement tep reel (3) above, control described first by described first motor (12) and measure tep reel (3) rotation, described second motor (14) controls described second and measures tep reel (4) rotation, making the described first a part of belt material of high temperature superconduct (1) measured on tep reel (3) be wound onto described second measures on tep reel (4), and utilize described length measurment device (5) to make the length of described first measurement tep reel (3) and the upper belt material of high temperature superconduct (1) be wound around of described second measurement tep reel (4) equal,
Eight diagram-shaped measurement skeleton (6), described eight diagram-shaped measurement skeleton (6) is positioned at the point midway place between described first measurement tep reel (3) and described second measurement tep reel (4), eight diagram-shaped fluting (28) is provided with in described eight diagram-shaped measurement skeleton (6), described first measure tep reel (3) and described second measure the length of the belt material of high temperature superconduct (1) of the upper winding of tep reel (4) equal after, the belt material of high temperature superconduct (1) measuring tep reel (3) and the described second center section measured between tep reel (4) by described first embeds in described eight diagram-shaped fluting (28),
3rd motor (13), described 3rd motor (13) is connected with described eight diagram-shaped measurement skeleton (6), after embedding in described eight diagram-shaped fluting (28) at the belt material of high temperature superconduct (1) measuring tep reel (3) and the described second center section measured between tep reel (4) by described first, drive described eight diagram-shaped measurement skeleton (6) to rotate, be wound on described eight diagram-shaped measurement skeleton (6) with the belt material of high temperature superconduct (1) measured described first in tep reel (3) and described second measurement tep reel (4);
First insulation tep reel (7), described first insulation tep reel (7) is wound with the first para tape (9 '), for being wound onto the outside in the process on described eight diagram-shaped measurement skeleton (6), the first para tape (9 ') being pasted belt material of high temperature superconduct (1) at the described second belt material of high temperature superconduct (1) measured on tep reel (4);
Second insulation tep reel (8), described second insulation tep reel (8) is wound with the second para tape (9), for being wound onto the outside in the process on described eight diagram-shaped measurement skeleton (6), the second para tape (9) being pasted belt material of high temperature superconduct (1) at the described first belt material of high temperature superconduct (1) measured on tep reel (3);
Current source (18), described current source (18) is for providing the DC current needed for measurement, one end of described current source (18) is electrically connected with the one end of the belt material of high temperature superconduct (1) be wound around around described eight diagram-shaped measurement skeleton (6), and the other end of described current source (18) is electrically connected with the other end of the belt material of high temperature superconduct (1) be wound around around described eight diagram-shaped measurement skeleton (6) by shunt (19);
First voltage table (20), the two ends of described first voltage table (20) are connected, for measuring the voltage on described shunt (19) with the two ends electricity of described shunt (19) respectively;
Second voltage table (21), the two ends of described second voltage table (21) are electrically connected with the two ends of the belt material of high temperature superconduct (1) be wound around around described eight diagram-shaped measurement skeleton (6) respectively, for measuring the voltage on the belt material of high temperature superconduct (1) that is wound around around described eight diagram-shaped measurement skeleton (6);
Computing machine (22), described computing machine (22) by data line respectively with described first motor (12), described second motor (14), described 3rd motor (13), described current source (18), described first voltage table (20), and described second voltage table (21) is connected, for controlling described first motor (12), described second motor (14), described 3rd motor (13), described current source (18), and gather described first voltage table (20), the voltage data of described second voltage table (21), and the critical current properties of analytical calculation belt material of high temperature superconduct (1),
Open Dewar container for liquefied nitrogen (23), is equipped with liquid nitrogen in described open Dewar container for liquefied nitrogen (23);
Wherein, belt material of high temperature superconduct (1) is being measured tep reel (3) and described second measurement tep reel (4) towards after the process that described eight diagram-shaped measurement skeleton (6) is wound around from described first, when described eight diagram-shaped measurement skeleton (6) keeps horizontal direction to place, by the first jacking gear, the belt material of high temperature superconduct that will measure (1) and described eight diagram-shaped measurement skeleton (6) are immersed in the liquid nitrogen in described open Dewar container for liquefied nitrogen (23), utilize described computing machine (22) to start described current source (18) and start to measure the critical current properties of belt material of high temperature superconduct (1).
2. belt material of high temperature superconduct long band critical current properties measuring equipment according to claim 1, it is characterized in that: at the end of the process that belt material of high temperature superconduct (1) is wound around from described first measurement tep reel (3) and described second measurement tep reel (4) towards described eight diagram-shaped measurement skeleton (6), one end of described belt material of high temperature superconduct (1) is still connected to described first and measures on tep reel (3), thus measure tep reel (3) be electrically connected with described first, and the other end of described belt material of high temperature superconduct (1) is still connected to described second, and to measure tep reel (4) upper thus measure tep reel (4) be electrically connected with described second, and, above-mentioned one end and described first of described current source (18) is measured tep reel (3) and is electrically connected, the above-mentioned other end of described current source (18) is measured tep reel (4) by described shunt (19) and described second and is electrically connected, wherein, described first motor (12) and described first is measured the first gear train adopting insulating material to make between tep reel (3) and is carried out transmission, and described second motor (14) and described second is measured the second gear train adopting insulating material to make between tep reel (4) and is carried out transmission, described eight diagram-shaped measurement skeleton (6) is made up of insulating material, described first measurement tep reel (3) and described second is measured tep reel (4) and is made up of conductive material,
Wherein, before starting to measure the critical current properties of belt material of high temperature superconduct (1), when described first measures tep reel (3) and described second measurement tep reel (4) keeps horizontal direction to place, respectively by the second jacking gear and the 3rd jacking gear, tep reel (4) is measured in described first measurement tep reel (3) and described second and also immerse in the liquid nitrogen in described open Dewar container for liquefied nitrogen (23).
3. belt material of high temperature superconduct long band critical current properties measuring equipment according to claim 2, is characterized in that: described first jacking gear is formed by the first telescopic sleeving rod (16) between the output shaft of described 3rd motor (13) and described eight diagram-shaped measurement skeleton (6); The second telescopic sleeving rod (15) that described second jacking gear is measured between tep reel (3) by the output shaft and described first of described first motor (12) is formed; The 3rd telescopic sleeving rod (17) that described 3rd jacking gear is measured between tep reel (4) by the output shaft and described second of described second motor (14) is formed;
Wherein, each telescopic sleeving rod in described first telescopic sleeving rod (16), described second telescopic sleeving rod (15) and described 3rd telescopic sleeving rod (17) includes interior bar (25) and outer sleeve (24); Described interior bar (25) is enclosed within the inside of described outer sleeve (24), and can move up and down in the inside of described outer sleeve (24), pilot hole is respectively equipped with in described interior bar (25) and described outer sleeve (24), utilize register pin (31) to fix the relative position of described interior bar (25) and described outer sleeve (24) through the pilot hole in described interior bar (25) and described outer sleeve (24), thus realize the elevating movement of described outer sleeve (24) relative to described interior bar (25).
4. the belt material of high temperature superconduct long band critical current properties measuring equipment according to any one in claims 1 to 3, is characterized in that: described belt material of high temperature superconduct long band critical current properties measuring equipment also comprises:
First voltage measurement wheel (11), for press against the belt material of high temperature superconduct (1) be wrapped on described eight diagram-shaped measurement skeleton (6) an one end side portion on and be electrically connected with belt material of high temperature superconduct (1);
Second voltage measurement wheel (10), for press against the belt material of high temperature superconduct (1) be wrapped on described eight diagram-shaped measurement skeleton (6) another one end side portion on and be electrically connected with belt material of high temperature superconduct (1);
Wherein, one end of described second voltage table (21) is taken turns (11) with described first voltage measurement and is electrically connected, and the other end of described second voltage table (21) is taken turns (10) with described second voltage measurement and is electrically connected.
5. the belt material of high temperature superconduct long band critical current properties measuring equipment according to any one in claims 1 to 3, it is characterized in that: described first measures tep reel (3) and described second measurement tep reel (4) eachly comprises Part I (26) and Part II (27), the critical bend radius of belt material of high temperature superconduct should be greater than by the arc-shaped bend radius of the belt material of high temperature superconduct of described Part I (26), described Part II (27) is by screw or be bolted on described Part I (26), thus also can be clipped in harmless for an end of belt material of high temperature superconduct (1) securely between described Part I (26) and described Part II (27).
6. the belt material of high temperature superconduct long band critical current properties measuring equipment according to any one in claims 1 to 3, is characterized in that: described eight diagram-shaped measurement skeleton (6) comprising:
Main part (29), is provided with described eight diagram-shaped fluting (28) in described main part (29), the arc-shaped bend radius of described eight diagram-shaped fluting (28) should be greater than the critical bend radius of belt material of high temperature superconduct;
Outer annular plate portion (30), described outer annular plate portion (30) is positioned at the lower edge portions place of described main part (29) and from the lower edge portions of described main part (29) outwardly, described outer annular plate portion (30) and described main part (29) are integrally formed;
Wherein, described belt material of high temperature superconduct (1) will be wrapped in the cylindrical peripheral of described main part (29).
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| CN201210438895.8A CN102955087B (en) | 2012-11-06 | 2012-11-06 | Equipment for measuring critical current characteristics of high temperature superconductivity long strip |
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| CN201210438895.8A CN102955087B (en) | 2012-11-06 | 2012-11-06 | Equipment for measuring critical current characteristics of high temperature superconductivity long strip |
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| CN103207330B (en) * | 2013-03-12 | 2016-02-03 | 中国科学院电工研究所 | High-temperature superconductive long tape critical current proving installation |
| CN105137149B (en) * | 2015-07-24 | 2018-08-03 | 富通集团（天津）超导技术应用有限公司 | A kind of superconductive tape critical current test device and test method |
| CN106546838B (en) * | 2016-09-22 | 2023-09-01 | 西南交通大学 | Device and method for measuring critical current characteristics of high-temperature superconducting strip |
| CN106370952B (en) * | 2016-09-23 | 2023-05-05 | 西南交通大学 | Device and method for measuring critical current characteristics of superconducting coil under magnetic disturbance |
| CN107505493B (en) * | 2016-11-04 | 2023-09-26 | 洛阳理工学院 | Tension-controllable superconducting strip critical current measuring device |
| CN107167681B (en) * | 2017-05-10 | 2023-05-05 | 西南交通大学 | Current-carrying characteristic testing device and method for high-temperature superconducting strip |
| CN110873817A (en) * | 2018-08-30 | 2020-03-10 | 西部超导材料科技股份有限公司 | Method for guaranteeing accuracy and stability of critical current measurement system |
| CN117368814B (en) * | 2023-11-07 | 2024-03-22 | 华北理工大学 | Bismuth-system high-temperature superconductor material current testing system and method |
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| RU2244317C2 (en) * | 2002-12-02 | 2005-01-10 | Марийский государственный университет | Method for contactless measurement of critical current in high-temperature superconductors and device for realization of said methods |
| GB2428301B (en) * | 2005-07-13 | 2008-02-13 | A D Developments Ltd | Current measurement apparatus |
| CN101446611B (en) * | 2008-11-25 | 2012-10-03 | 中国电力科学研究院 | Device for measuring critical current properties of high-temperature superconductor by using variable-cross-section current lead wire |
| CN101975897B (en) * | 2010-09-14 | 2012-12-19 | 上海电缆研究所 | High-temperature superconductive long tape critical current continuous measurement and rewinding device |
| CN102735964B (en) * | 2012-06-08 | 2014-10-15 | 中国科学院电工研究所 | High-temperature-superconductivity strip material multi-field characteristic measuring device |
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