CN212322765U - Superconducting magnet exciting current lead wire capable of reducing liquid helium loss - Google Patents
Superconducting magnet exciting current lead wire capable of reducing liquid helium loss Download PDFInfo
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- CN212322765U CN212322765U CN202021213037.XU CN202021213037U CN212322765U CN 212322765 U CN212322765 U CN 212322765U CN 202021213037 U CN202021213037 U CN 202021213037U CN 212322765 U CN212322765 U CN 212322765U
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- casing
- lead wire
- liquid helium
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- current lead
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Abstract
The utility model discloses a reduce superconducting magnet exciting current lead wire of liquid helium loss, include the casing of making by insulating and heat insulating material, the casing is the hollow through hole structure, is fixed with respectively at casing both ends and connects electrical column and lead electrical pillar, and the lead wire of making by high temperature superconducting material is located the casing, and connects electrical column and lead electrical pillar respectively at the both ends of lead wire, is provided with the inlet port in the one end of casing, is provided with the exhaust section at the other end of casing, is provided with the exhaust column on the exhaust section, installs the valve on the exhaust column. When the pressure in the shell is larger than a set value, the valve is automatically opened, helium is discharged from the exhaust column, the flow of the helium is smaller than the set value, the valve is automatically closed, and the helium fully cools the current lead. The utility model has the advantages of simple structure and reasonable design, can prevent inside the air admission casing, arouse freeze heat in the prevention air simultaneously and enter into in the casing to reach the effect that reduces liquid helium's loss.
Description
Technical Field
The utility model relates to a current lead, specific reduce superconducting magnet excitation current lead of liquid helium loss that says so.
Background
If the lead wire generates resistance in operation, current loss and heat are generated, and liquid helium in the magnet is consumed. In addition, when the helium gas discharge amount is small, air may enter the case through the air vent, which may cause the current lead to be frozen.
Disclosure of Invention
In order to solve the problem, the utility model provides a can reduce the superconducting magnet exciting current lead wire of liquid helium loss, reduction air entering reduction liquid helium loss in the casing.
In order to achieve the purpose, the utility model discloses a realize through following technical scheme:
the utility model discloses a reduce superconducting magnet exciting current lead wire of liquid helium loss, include the casing of making by insulating thermal insulation material, the casing is hollow through-hole structure, is fixed with respectively at casing both ends and connects electrical column and lead electrical pillar, and the lead wire of making by high temperature superconducting material is located the casing, and connects electrical column and lead electrical pillar respectively at the both ends of lead wire, is provided with the inlet port in the one end of casing, is provided with the exhaust section at the other end of casing, is provided with the exhaust column on the exhaust section, installs the valve on the exhaust column.
The utility model discloses a further improvement lies in: the electric connecting columns and the electric conduction columns are made of copper.
The utility model discloses a further improvement lies in: the valve is an electromagnetic valve.
The utility model discloses a further improvement lies in: the shell is made of epoxy resin composite material.
The utility model has the advantages that: the lead wire adopts high-temperature superconducting material, the characteristic that has the thermal conductivity low, the heat that inserts the magnet and brings into is very little, during operation resistance is zero, the current loss is few, the heat that produces is low, reduce the heat and cause the consumption of liquid helium in the magnet, the valve adopts the solenoid valve, when casing internal pressure is greater than the setting value, the solenoid valve is automatic to be opened, the helium is discharged, the solenoid valve is closed when the helium gas flow is less than the setting value, can prevent that the heat in the air from entering into the casing, avoid causing the current lead wire to freeze, can also reduce the loss of liquid helium simultaneously.
The utility model has the advantages of simple structure and reasonable design, can prevent that the heat in the air from entering into in the casing to reach the effect that reduces the loss of liquid helium.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Wherein: 1-shell, 2-electrical connection column, 3-electrical conduction column, 4-lead, 5-air inlet, 6-exhaust column and 7-valve.
Detailed Description
In order to enhance the understanding of the present invention, the present invention will be described in detail with reference to the following embodiments and the accompanying drawings, wherein the embodiments are only used for explaining the present invention, and do not limit the protection scope of the present invention.
As shown in fig. 1, the utility model discloses a reduce superconducting magnet exciting current lead wire of liquid helium loss, including casing 1, casing 1 is the hollow through-hole structure, be fixed with respectively at casing 1 both ends and connect electric post 2 and lead electrical pillar 3, lead wire 4 made by high temperature superconducting material is located casing 1, and connect electric post 2 and lead electrical pillar 3 respectively to lead electrical 4's both ends, connect electric post 2 and lead electrical pillar 3 interference assembly at casing 1's both ends, be provided with inlet port 5 in casing 1's one end, be provided with the exhaust section at casing 1's the other end, exhaust section and casing 1 integrated into one piece, be provided with exhaust post 6 on the exhaust section, install valve 7 on exhaust post 6.
The electric connecting columns 2 and the electric conducting columns 3 are made of copper. The valve 7 is a solenoid valve. Can accurate control helium exhaust flow through the solenoid valve, self-closing valve when the helium discharge amount is less than the setting value seals the gas vent of exhaust column 6, makes the helium fully cool down to lead wire 4, can reduce the heat simultaneously and cause the liquid helium loss in getting into the casing current lead wire from the gas vent of exhaust column 6. When the pressure in the shell 1 reaches a set value, the valve is automatically opened, and helium is discharged.
The shell is made of epoxy resin composite material. The epoxy resin composite material has the functions of insulation and heat insulation. The utility model discloses a lead wire 4 adopts that high temperature superconducting material makes, and the heat conductivity is low, and the during operation resistance is zero, and current loss is few, and the heat of production is low, can reduce the heat and cause the consumption of liquid nitrogen in the magnet.
The utility model has the advantages of simple structure and reasonable design, can prevent that the heat in the air from entering into in the casing to reach the effect that reduces the loss of liquid helium.
The embodiment of the present invention discloses a preferred embodiment, but not limited thereto, and those skilled in the art can easily understand the spirit of the present invention according to the above embodiment, and make different extensions and changes, but do not depart from the spirit of the present invention, all of which are within the protection scope of the present invention.
Claims (4)
1. Reduce superconducting magnet excitation current lead wire of liquid helium loss, its characterized in that: including casing (1) by insulating and heat insulating material makes, casing (1) is hollow through-hole structure casing (1) both ends are fixed with respectively connect electric pole (2) and lead electrical pillar (3), and lead wire (4) of making by high temperature superconducting material are located in casing (1), just the both ends of lead wire (4) are connected respectively connect electric pole (2) with lead electrical pillar (3) the one end of casing (1) is provided with inlet port (5) the other end of casing (1) is provided with the exhaust section be provided with exhaust post (6) on the exhaust section install valve (7) on exhaust post (6).
2. A superconducting magnet excitation current lead for reducing liquid helium loss according to claim 1, wherein: the electric connecting columns (2) and the electric conduction columns (3) are made of copper.
3. A superconducting magnet excitation current lead for reducing liquid helium loss according to claim 2, wherein: the valve (7) is an electromagnetic valve.
4. A superconducting magnet excitation current lead for reducing liquid helium loss according to claim 3, wherein: the shell is made of epoxy resin composite materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021213037.XU CN212322765U (en) | 2020-06-28 | 2020-06-28 | Superconducting magnet exciting current lead wire capable of reducing liquid helium loss |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021213037.XU CN212322765U (en) | 2020-06-28 | 2020-06-28 | Superconducting magnet exciting current lead wire capable of reducing liquid helium loss |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212322765U true CN212322765U (en) | 2021-01-08 |
Family
ID=74027964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021213037.XU Active CN212322765U (en) | 2020-06-28 | 2020-06-28 | Superconducting magnet exciting current lead wire capable of reducing liquid helium loss |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212322765U (en) |
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2020
- 2020-06-28 CN CN202021213037.XU patent/CN212322765U/en active Active
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