CN208548205U - A kind of adjustable magnetic fields generating device for the constraint of space magnetic reconnection - Google Patents
A kind of adjustable magnetic fields generating device for the constraint of space magnetic reconnection Download PDFInfo
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- CN208548205U CN208548205U CN201821331186.9U CN201821331186U CN208548205U CN 208548205 U CN208548205 U CN 208548205U CN 201821331186 U CN201821331186 U CN 201821331186U CN 208548205 U CN208548205 U CN 208548205U
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Abstract
The utility model discloses a kind of adjustable magnetic fields generating devices for the constraint of space magnetic reconnection, by the number of turns for changing every cake coil access, thus it is possible to vary single cake coil connects the number of ampere turns into power supply, to change the distribution in magnetic field.After every cake coil all passes through coiling, it is poured and is fixed by insulating resin, it is provided with right above coil simultaneously and has more hole slot and respectively correspond every circle coil for external impressed current lead, the fixation with coil of current feed is fixed by bolts, simultaneously at the hole slot for not needing connection current feed, covered using insulating resin.Current feed between every two cakes coil is formed using the metal current connection of package magnetic shielding material, in order to facilitate the length with change current connection, the position that can be connected according to every two cakes coil, the length of connector is increased or decreased, thus adapts to the spacing variation of the current feed between every two cakes coil.The size that the adjustable magnetic field of the utility model generates, Distribution of Magnetic Field required for specific aim construction is tested.
Description
Technical field
The utility model relates to the technical fields of space magnetic reconnection constraint, and in particular to one kind is constrained for space magnetic reconnection
Adjustable magnetic fields generating device.
Background technique
Connection is a kind of basic physical process in plasma again, and the magnetic free energy of storage is converted plasma kinetic energy by it
And thermal energy, while the topological bit-type in magnetic field can also significantly change.It is many quick-fried in space and laboratory plasma physics
It was found that as all related with magnetic reconnection such as the saw-tooth oscillation in solar flare, magnetosphere substorm and tokamak device.It is testing
In room, space magnetic reconnection simulator is the capital equipment for studying Magnetic Reconnection phenomenon, and in a device, magnetic field fills
It sets for plasma jet constraint in vacuum chamber in device is played critical effect with target area.As scientists are to sky
Between magnetic reconnection phenomenal research go deep into, the research under different magnetic field constraint condition becomes scientists exploratory study
One of basic condition
Utility model content
The purpose of this utility model is that: the space of magnetically confined is wanted for the Magnetic Reconnection experiment condition of present complexity
It asks, under the premise of not changing the general frame of laboratory apparatus, connects the coil turn into circuit by changing to change often
The number of ampere turns of cake coil can provide more environment possibilities to test, have to change the Distribution of Magnetic Field in integral experiment region
It is attempted conducive to the detection of experiment.
The technical solution adopted in the utility model are as follows: it is a kind of for space magnetic reconnection constraint adjustable magnetic fields fill
It sets, by the number of turns for changing every cake coil access, thus it is possible to vary single cake coil connects the number of ampere turns into power supply, to change magnetic field
Distribution；After every cake coil all passes through coiling, it is poured and is fixed by insulating resin, while be provided with right above coil and having more hole
Slot respectively corresponds every circle coil for external impressed current lead, and the fixation with coil of current feed is fixed by bolts, while
At the hole slot for not needing connection current feed, covered using insulating resin.
Wherein, the current feed between every two cakes coil is formed using the metal current connection of package magnetic shielding material,
For convenience with the length of change current connection, the position that can be connected according to every two cakes coil increase or decrease connector
Length, thus adapt to the spacing variation of the current feed between every two cakes coil.
The utility model compared with prior art the advantages of be:
(1) the utility model use structure connection design can effective save the cost, which obviate whole coils
Replacement, it is only necessary to which selectivity access can construct required magnetic field.
(2) adjustable magnetic fields generating device used by the utility model can provide more magnetic field configuration selections, can
Experimental project environment is preferably provided, the research of phenomenon and mechanism occurs for research Magnetic Reconnection.
Detailed description of the invention
Fig. 1 is a kind of adjustable magnetic fields generating device schematic diagram for the constraint of space magnetic reconnection of the utility model；
Fig. 2 is the diagrammatic cross-section of magnet coil (and device) in adjustable magnetic fields generating device；
Fig. 3 is the loop construction and support schematic diagram of adjustable magnetic fields generating device；
Fig. 4 is that connecting terminal of the magnet coil upper end for magnet current leads is illustrated in adjustable magnetic fields generating device
Figure；
Fig. 5 is magnet coil and magnet current leads attachment structure schematic diagram in adjustable magnetic fields generating device；
Fig. 6 is that magnet current leads connect extending structure schematic diagram in adjustable magnetic fields generating device.
In figure, 1 is electric current connecting lead wire, and 2 be single cake magnet coil, and 3 be Magnetic Reconnection generating device, and 4 be device pedestal,
5 be the fixed bracket of connecting lead wire, and 6 be peripheral poured with epoxy resin, and 7 be current feed connecting component, and 7 be current feed interconnecting piece
Part, 8 connect elongate member for current feed, and 9 be coil epoxy resin lid.
Specific embodiment
With reference to the accompanying drawing and specific embodiment further illustrates the utility model.
A kind of adjustable magnetic fields generating device for the constraint of space magnetic reconnection, by the circle for changing every cake coil access
Number, thus it is possible to vary single cake coil connects the number of ampere turns into power supply, to change the distribution in magnetic field；
Wherein, it after every cake coil all passes through coiling, is poured and is fixed by insulating resin, while be provided with right above coil
It having more hole slot and respectively corresponds every circle coil for external impressed current lead, the fixation with coil of current feed is fixed by bolts,
Simultaneously at the hole slot for not needing connection current feed, covered using insulating resin.
Wherein, the current feed between every two cakes coil is formed using the metal current connection of package magnetic shielding material,
For convenience with the length of change current connection, the position that can be connected according to every two cakes coil increase or decrease connector
Length, thus adapt to the spacing variation of the current feed between every two cakes coil.
Magnetically confined device in Magnetic Reconnection experiment, is arranged by building around vacuum chamber by more cake coils
Magnetic confinement coil form.The specification of every cake magnetic confinement coil is consistent, and using same material, same winding method has
Identical the number of turns.
Magnetically confined coil uses concatenated form, and the positive and negative anodes connecting lead wire of every cake coil is all located at the top of coil,
And guarantee that the axial centre of coil and the center of vacuum chamber are located in same horizontal line, the lead and power supply of two coils of outermost
Control cabinet is connected.It is mounted below coil on the platform that epoxy resin is built, the stability for hold-in winding.
It directlys adopt current connection per two adjacent cake coils to be attached, the middle-end of connector is drawn solid by fixed ring
It is used to ensure the stability of current connection due to the bracket that top is installed.Current connection is wrapped using magnetic shielding material
It wraps up in, the magnetic field that can effectively inhibit electric current connecting line to generate.
After every plate coil coiling, formed by poured with epoxy resin fixation, every circle coil does not contact with each other.Coil just on
Fang Jinhang fluting simultaneously installs metal connecting piece in the top of every circle coil, and is equipped with bolt, draws for fixing and connecting electric current
The both ends of line.
The needs of intensity and bit-type occur according to magnetic field, the magnetic field the number of turns for entering circuit is connected in series in selection, and by place
Current connection is connected after the coil connection current feed of the number of turns, then selection with epoxy resin lid carries out it for remaining coil
Capping.
Due to the difference of the concatenated current lead placement of coil, the design that selection is split at the middle part of current connection can
With the extension current connection for connecting different length.In order to keep the effect of connection, in the design of the surface of each connector,
The design of metallic connection parts position keeps certain thickness protrusion, guarantees the laminating degree on surface, reduces contact resistance, in this way can be with
The electric current of two connection surfaces is promoted to transmit.
By the design of the field generator for magnetic constrained magnetic reconnection, the structure that single cake magnetic coil is transformed is set the utility model
Meter increases for changing the connection member for connecting magnetic coil the number of turns into circuit, can guarantee same electric current in whole magnetic coil
In concatenated situation, by changing the number of ampere turns of every cake coil to change whole Distribution of Magnetic Field.
Fig. 1 is the adjustable magnetic fields generating device of space magnetic reconnection constraint, including electric current connecting lead wire 1, single cake magnet wire
Circle 2, Magnetic Reconnection generating device 3；Electric current connecting lead wire 1 is used to the electric current reprinting that electrical power control cabinet issues being transmitted to magnet wire
Circle is to stimulate the generation in magnetic field, the insulated cable for using antimagnetic shield material to wrap up.
Fig. 2 is the adjustable magnetic fields generating device side view of space magnetic reconnection constraint, including electric current connecting lead wire 1, single cake
Magnet coil 2, Magnetic Reconnection generating device 3, device pedestal 4；Magnetic Reconnection generating device 3 is a capsule-type vacuum chamber knot
Structure, pedestal, as pedestal, can be very good to increase stress surface while guaranteeing the stabilization of device entirety using trapezoidal support construction
Property.The vacuum chamber of every cake magnet coil and device guarantees the center of circle in the same horizontal line, so as to provide in the inside of device
Centrosymmetric magnetic field.
Fig. 3 is magnet coil connection figure, including electric current connecting lead wire 1, single cake magnet coil 2, the fixed bracket of connecting lead wire
5；The fixed upper end of lead may be mounted above wall, another section of lantern ring fixed current lead, to guarantee current feed not
It can drop because of self gravity reason.
Fig. 4 is that connecting terminal of the magnet coil upper end for magnet current leads is illustrated in adjustable magnetic fields generating device
Figure, including single cake magnet coil 2, peripheral poured with epoxy resin 6, current feed connecting component 7；Every cake coil uses epoxy completely
Coil is wrapped in the inside of epoxide resin material by the mode that resin abrasive tools pour.Simultaneously in the upper of epoxy resin package structure
Side opens connection of the square groove for the current feed of each coil, current feed connection is fixed on the magnet coil of slotting position
Component, the mode being fixed by bolts.
Fig. 5 is magnet coil and magnet current leads attachment structure schematic diagram in adjustable magnetic fields generating device, including electricity
Connecting lead wire 1 is flowed, single cake magnet coil 2, peripheral poured with epoxy resin 6, current feed connecting component 7, current feed, which connects, to be prolonged
Long component 8, coil epoxy resin lid 9.
Fig. 6 is that magnet current leads connect extending structure schematic diagram, including electric current connection in adjustable magnetic fields generating device
Lead 1, current feed connect elongate member 8.
Claims (2)
1. a kind of adjustable magnetic fields generating device for the constraint of space magnetic reconnection, it is characterised in that: by changing every cake coil
The number of turns of access, thus it is possible to vary single cake coil connects the number of ampere turns into power supply, to change the distribution in magnetic field；Every cake coil is all logical
It after crossing coiling, is poured and is fixed by insulating resin, during experiment, according to experiment parameter needs, every cake coil is selected to need
The circle number such as circuit is connected, is provided with to have more hole slot and respectively correspond every circle coil right above coil and draw for external impressed current
The fixation with coil of current feed is fixed by bolts, while not needing to connect by line after selecting the circle number for needing to connect
At the hole slot of current feed, covered using insulating resin.
2. a kind of adjustable magnetic fields generating device for the constraint of space magnetic reconnection according to claim 1, feature exist
In: current feed between every two cakes coil is formed using the metal current connection of package magnetic shielding material, for convenience with
Change the length of current connection, the position that can be connected according to every two cakes coil increases or decreases the length of connector, thus suitable
Should current feed between every two cakes coil spacing variation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821331186.9U CN208548205U (en) | 2018-08-17 | 2018-08-17 | A kind of adjustable magnetic fields generating device for the constraint of space magnetic reconnection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821331186.9U CN208548205U (en) | 2018-08-17 | 2018-08-17 | A kind of adjustable magnetic fields generating device for the constraint of space magnetic reconnection |
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| CN208548205U true CN208548205U (en) | 2019-02-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108847328A (en) * | 2018-08-17 | 2018-11-20 | 中国科学技术大学 | A kind of adjustable magnetic fields generating device for the constraint of space magnetic reconnection |
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2018
- 2018-08-17 CN CN201821331186.9U patent/CN208548205U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108847328A (en) * | 2018-08-17 | 2018-11-20 | 中国科学技术大学 | A kind of adjustable magnetic fields generating device for the constraint of space magnetic reconnection |
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