CN208027841U - A kind of endpiece structure of large size superconducting coil terminal - Google Patents
A kind of endpiece structure of large size superconducting coil terminal Download PDFInfo
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- CN208027841U CN208027841U CN201820200040.4U CN201820200040U CN208027841U CN 208027841 U CN208027841 U CN 208027841U CN 201820200040 U CN201820200040 U CN 201820200040U CN 208027841 U CN208027841 U CN 208027841U
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- stainless steel
- insulation
- superconducting coil
- leg
- transition block
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Abstract
The utility model discloses a kind of endpiece structures of large-scale superconducting coil terminal, including stainless steel leg A, insulation frenulum, stainless steel transition block, stainless steel leg A, insulation frenulum, stainless steel transition block is linked in sequence successively by pin, insulation frenulum, stainless steel transition block is contacted with the turn-to-turn insulation of superconducting coil respectively, the circle conductor second from the bottom of stainless steel leg A and superconducting coil welds, it is contacted with turn-to-turn insulation end face, stainless steel leg B is set between stainless steel transition block and the terminal of superconducting coil, the terminal of stainless steel leg B and superconducting coil is welded as a whole, stainless steel leg B is connect with stainless steel transition block mechanical couplings, epoxy glass fiber fill up block respectively with stainless steel leg A, circle conductor connection second from the bottom.The utility model meets certain insulation performance requirement while meeting certain requirement of mechanical strength.
Description
Technical field
The utility model is related to superconducting magnet structure, the endpiece structure of specifically a kind of large size superconducting coil terminal.
Background technology
For the large-scale superconducting coil made of pie subcoil stacking, respectively have one on its top layer's cake and lowest level cake
A terminal, the terminal will be connected with mating feeder system respectively.According to the design requirement of general large scale superconducting magnet,
Must keep stable in the position of the terminal of thermal stress and electromagnetic force lower coil, with ensure coil self structure and
The stability being connect with feeder system.For this reason, it may be necessary to design a kind of superconducting coil endpiece structure, effect is exactly respectively by coil
Terminal and circle second from the bottom carry out mechanical attachment, and certain insulation performance requirement is met while meeting mechanical performance.
Utility model content the purpose of this utility model is to provide a kind of endpiece structure of large-scale superconducting coil terminal,
The terminal of coil and the 2nd circle reciprocal are subjected to mechanical attachment, while meeting certain insulation performance requirement.
In order to achieve the above object, technical solution used by the utility model is：
A kind of endpiece structure of large size superconducting coil terminal, it is characterised in that：Including stainless steel leg A, insulation frenulum, no
Rust steel transition block, stainless steel leg A, insulation frenulum, stainless steel transition block are linked in sequence by pin and constitute cascaded structure successively, string
It is coupled insulation frenulum, stainless steel transition block in structure to contact with the turn-to-turn insulation of superconducting coil respectively, the stainless steel in cascaded structure
The circle conductor second from the bottom of leg A and superconducting coil welds, and stainless steel leg A is contacted with turn-to-turn insulation end face, in cascaded structure
There is interval between stainless steel transition block and the terminal of superconducting coil, further include that stainless steel leg B, epoxy glass fiber fill up block,
Stainless steel leg B is arranged between stainless steel transition block and the terminal of superconducting coil in interval, stainless steel leg B and superconducting coil
Terminal is welded as a whole, and stainless steel leg B is connect with stainless steel transition block mechanical couplings, epoxy glass fiber fill up block respectively with
Stainless steel leg A, circle conductor second from the bottom connection.
A kind of endpiece structure of the large-scale superconducting coil terminal, it is characterised in that：Stainless steel leg A, insulation frenulum,
Stainless steel transition block, stainless steel leg B, epoxy glass fiber, which are filled up, coats insulating layer identical with turn-to-turn insulation structure outside block.
A kind of endpiece structure of the large-scale superconducting coil terminal, it is characterised in that：Electric isolution is by described
Insulation frenulum realizes that insulation frenulum is process by epoxy glass fibre insulating epoxy composite plate.
A kind of endpiece structure of the large-scale superconducting coil terminal, it is characterised in that：Apply at mechanical couplings certain
Pretightning force, to bucking coil endpiece in temperature-fall period（300 K~4.2 K）, due to epoxy glass fibre insulating epoxy composite
Built-in thermal stress caused by the difference of material and stainless steel material coefficient of thermal expansion.
The utility model has the advantages that：
The utility model devises a kind of large-scale superconducting coil terminal endpiece structure design, which meets certain machinery
Meet certain insulation performance requirement while intensity requirement.In addition, in room temperature assembling process, it will be certain at mechanical couplings
Pretightning force is applied to the endpiece inside configuration, and then compensates endpiece structure in temperature-fall period, due to material coefficient of thermal expansion
Built-in thermal stress caused by difference.
Description of the drawings
FIG. 1 is a schematic structural view of the utility model.
Specific implementation mode
As shown in Figure 1, a kind of endpiece structure of large size superconducting coil terminal, including stainless steel leg A1, insulation frenulum 2,
Stainless steel transition block 3, stainless steel leg A1, insulation frenulum 2, stainless steel transition block 3 are linked in sequence by pin and constitute series connection successively
Structure, insulation frenulum 2, stainless steel transition block 3 are contacted with the turn-to-turn insulation of superconducting coil 7 respectively in cascaded structure, cascaded structure
In stainless steel leg A1 and the circle conductor 6 second from the bottom of superconducting coil weld, and stainless steel leg A1 connects with 7 end face of turn-to-turn insulation
It touches, has interval between the terminal 5 of the stainless steel transition block 3 in cascaded structure and superconducting coil, further include stainless steel leg B4, ring
Oxygen glass fibre fills up block 8, and stainless steel leg B4 is arranged between stainless steel transition block 3 and the terminal 5 of superconducting coil in interval,
The terminal 5 of stainless steel leg B4 and superconducting coil is welded as a whole, and stainless steel leg B4 connects with 3 mechanical couplings of stainless steel transition block
It connects, epoxy glass fiber is filled up block 8 and connect respectively with stainless steel leg A1, circle conductor 6 second from the bottom.
Stainless steel leg A1, insulation frenulum 2, stainless steel transition block 3, stainless steel leg B4, epoxy glass fiber are filled up outside block 8
Cladding insulating layer identical with 7 structure of turn-to-turn insulation.
Electric isolution is realized by insulation frenulum 2, and insulation frenulum 2 is processed by epoxy glass fibre insulating epoxy composite plate
It forms.
Apply certain pretightning force at mechanical couplings, to bucking coil endpiece in temperature-fall period, due to expoxy glass fibre
Tie up built-in thermal stress caused by the difference of insulating epoxy composite material and stainless steel material coefficient of thermal expansion.
The utility model includes mainly stainless steel leg A 1, insulation frenulum 2, stainless steel transition block 3, stainless steel leg B 4, surpasses
Loop terminal 5, circle second from the bottom 6, turn-to-turn insulation 7 and epoxy glass fiber fill up block 8.Using pin by insulation frenulum 2
Both ends connect respectively with stainless steel leg A 1 and stainless steel transition block 3.Stainless steel leg A 1 is connected to by welding
Circle second from the bottom.In addition, one end of stainless steel leg B 4 is welded to superconducting coil terminal.Then by the another of stainless steel leg B 4
One end and 3 one end mechanical couplings of stainless steel transition block apply certain pretightning force inside it in coupling process.It was assembling
The insulation processing of each component of coil terminal endpiece structure is completed in journey.
Claims (4)
1. a kind of endpiece structure of large size superconducting coil terminal, it is characterised in that：Including stainless steel leg A, insulation frenulum, stainless
Steel transition block, stainless steel leg A, insulation frenulum, stainless steel transition block are linked in sequence by pin and constitute cascaded structure successively, series connection
Insulation frenulum, stainless steel transition block are contacted with the turn-to-turn insulation of superconducting coil respectively in structure, the stainless steel leg A in cascaded structure
It is welded with the circle conductor second from the bottom of superconducting coil, and stainless steel leg A is contacted with turn-to-turn insulation end face, it is stainless in cascaded structure
There is interval between steel transition block and the terminal of superconducting coil, further includes that stainless steel leg B, epoxy glass fiber fill up block, it is stainless
Steel leg B is arranged between stainless steel transition block and the terminal of superconducting coil in interval, the outlet of stainless steel leg B and superconducting coil
Head be welded as a whole, stainless steel leg B is connect with stainless steel transition block mechanical couplings, epoxy glass fiber fill up block respectively with it is stainless
Steel leg A, circle conductor second from the bottom connection.
2. a kind of endpiece structure of large-scale superconducting coil terminal according to claim 1, it is characterised in that：Stainless steel leg
A, insulation frenulum, stainless steel transition block, stainless steel leg B, epoxy glass fiber fill up outside block cladding and turn-to-turn insulation structure phase
Same insulating layer.
3. a kind of endpiece structure of large-scale superconducting coil terminal according to claim 1, it is characterised in that：Electric isolution is
Realize that insulation frenulum is process by epoxy glass fibre insulating epoxy composite plate by the insulation frenulum.
4. a kind of endpiece structure of large-scale superconducting coil terminal according to claim 1 or 3, it is characterised in that：Machinery
Apply certain pretightning force at coupling, to bucking coil endpiece in temperature-fall period, since epoxy glass fibre insulating epoxy is multiple
Built-in thermal stress caused by the difference of condensation material and stainless steel material coefficient of thermal expansion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820200040.4U CN208027841U (en) | 2018-02-06 | 2018-02-06 | A kind of endpiece structure of large size superconducting coil terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820200040.4U CN208027841U (en) | 2018-02-06 | 2018-02-06 | A kind of endpiece structure of large size superconducting coil terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208027841U true CN208027841U (en) | 2018-10-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820200040.4U Active CN208027841U (en) | 2018-02-06 | 2018-02-06 | A kind of endpiece structure of large size superconducting coil terminal |
Country Status (1)
| Country | Link |
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| CN (1) | CN208027841U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109755015A (en) * | 2018-12-25 | 2019-05-14 | 中国科学院合肥物质科学研究院 | A kind of insulating treatment process of the superconducting magnet leading-out terminal of Y type end construction |
-
2018
- 2018-02-06 CN CN201820200040.4U patent/CN208027841U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109755015A (en) * | 2018-12-25 | 2019-05-14 | 中国科学院合肥物质科学研究院 | A kind of insulating treatment process of the superconducting magnet leading-out terminal of Y type end construction |
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