CN202217563U - Superconducting magnet cold shield structure capable of realizing larger room temperature aperture - Google Patents
Superconducting magnet cold shield structure capable of realizing larger room temperature aperture Download PDFInfo
- Publication number
- CN202217563U CN202217563U CN2011202964291U CN201120296429U CN202217563U CN 202217563 U CN202217563 U CN 202217563U CN 2011202964291 U CN2011202964291 U CN 2011202964291U CN 201120296429 U CN201120296429 U CN 201120296429U CN 202217563 U CN202217563 U CN 202217563U
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- cold screen
- cold shield
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Abstract
The utility model relates to a superconducting magnet cold shield structure capable of realizing a larger room temperature aperture, which is characterized by comprising a 4K magnet container (3), a 300K magnet container outer cylinder (4), a cold shield outer cylinder (5), a cold shield end cover (6), a 300K magnet container end cover (7) and a 300K magnet container inner cylinder (9), wherein the 4K magnet container (3) is externally provided with the cold shield end cover (6); the cold shield outer cylinder (5) is arranged at the upper and the lower ends of the cold shield end cover (6); the outer side of the cold shield end cover (6) is provided with the 300K magnet container end cover (7); and the outer side of the cold shield outer cylinder (5) is provided with the 300K magnet container outer cylinder (4). By fully taking the heat balance of a superconducting magnet low-temperature container into consideration, the superconducting magnet cold shield structure omits a cold shield outer inner cylinder, only reserves the cold shield outer cylinder and the cold shield end cover, and properly increases the thermal load of the 4K container, so that the structure of the container is more compact, larger room temperature aperture of superconducting magnet can be realized on the basis of not changing the electromagnetic design, and a larger space is provided for a tested sample.
Description
Technical field
The utility model relates to the superconducting magnet cryogenic system, particularly a kind of cold screen structure of the superconducting magnet that can realize bigger room temperature aperture that is applicable to cell temperature aperture zero volatilization superconducting magnet.
Background technology
At present, cryogenic magnet generally operates in the low temperature environment of 4K, sets up and maintenance superconduction environment for superconducting coil, and magnet adopts the vacuum multilayer insulation structure.Because support structure, thermal radiation and thin-walled neck tube leak multiple factors such as heat, can not stop heat transmission fully, so liquid helium can be taken the heat of importing out of with the form of evaporation, to keep the temperature of 4. 2K.For reducing the evaporation of liquid helium, superconducting magnet is typically equipped with cryogenic system so that cold to be provided, and reduces the liquid helium evaporation.
Cryogenic system comprises parts such as cold head, compressor, water-cooled unit.Cold head is a refrigeration part, for superconducting magnet provides 4K and 50K two-stage low temperature.Zero volatilizees the superconducting magnet dewar container mainly by 4.2K, 50K and 300K three double-walled cartridge types container and neck tube, and cold-junction container and other supporting parts are formed.Wherein the 50K container is cold screen, and the cold screen of 50K is made up of cold screen urceolus, the cold screen end cap of cold screen inner core and two ends, in order to reduce the radiant heat transfer between liquid helium temperature and the room temperature.Fig. 1 is the zero general volatilization superconducting magnet dewar container of prior art.
Summary of the invention
The purpose of the utility model is to propose a kind of ability to realize the cold screen structure of superconducting magnet in bigger room temperature aperture, makes and on the basis that does not change Electromagnetic Design, realizes the bigger room temperature of superconducting magnet aperture, for specimen provides bigger space.
The technical scheme of the utility model is:
A kind of ability realizes the cold screen structure of superconducting magnet in bigger room temperature aperture; Comprise 4K magnet container, 300K magnet container urceolus, cold screen urceolus, cold screen end cap, 300K magnet container end and 300K magnet container inner core; Said 4K magnet container is provided with cold screen end cap outward; The two ends up and down of cold screen end cap are provided with cold screen urceolus, and the outside of cold screen end cap is provided with 300K magnet container end, and the cold screen urceolus outside is provided with 300K magnet container urceolus.
Said 4K magnet container is provided with cold-junction container and neck tube container.
Be provided with the secondary cold head of refrigeration machine in the said cold screen urceolus, the outer drum outer wall of cold screen is provided with the one-level cold head of refrigeration machine.
Be provided with the room temperature aperture in the said cold screen urceolus.
Said cold screen urceolus is arranged in the vacuum tank.
The beneficial effect of the utility model is:
The utility model proposes a kind of ability and realizes the cold screen structure of superconducting magnet in bigger room temperature aperture.This structure takes into full account the heat balance of superconducting magnet low-temperature (low temperature) vessel; Through cancelling cold screen inner core; Only keep cold screen urceolus and cold screen end cap, suitably increased the heat load of 4K container, make structure of container compact more; Thereby on the basis that does not change Electromagnetic Design, realize the bigger room temperature of superconducting magnet aperture, for specimen provides bigger space.
Description of drawings
Fig. 1 is the structural representation of the zero general volatilization superconducting magnet dewar container of prior art.
Fig. 2 is the cold screen structural representation of the superconducting magnet that can realize bigger room temperature aperture of the no cold screen inner core of the utility model.
Fig. 3 refrigeration machine directly cools off the sketch map of the cold screen structure of superconducting magnet that can realize bigger room temperature aperture of the no cold screen inner core of superconducting magnet dewar container application the utility model.
Among the figure: 1 is that cold-junction container, 2 is that neck tube container, 3 is that 4K magnet container, 4 is that 300K magnet container urceolus, 5 is that cold screen urceolus, 6 is that cold screen end cap, 7 is that 300K magnet container end, 8 is that cold screen inner core, 9 is that 300K magnet container inner core, 10 is that one-level cold head, 11 is that secondary cold head, 12 is that room temperature aperture, 13 is a vacuum tank.
Embodiment
Below in conjunction with accompanying drawing the utility model is further described:
Like Fig. 1, be provided with cold screen inner core 8 between 4K magnet container 3 and the 300K magnet container inner core 9.
Like Fig. 2; A kind of ability realizes the cold screen structure of superconducting magnet in bigger room temperature aperture; Comprise 4K magnet container 3,300K magnet container urceolus 4, cold screen urceolus 5, cold screen end cap 6,300K magnet container end 7 and 300K magnet container inner core 9, be provided with cold screen end cap 6 outside the said 4K magnet container 3, the two ends up and down of cold screen end cap 6 are provided with cold screen urceolus 5; The outside of cold screen end cap 6 is provided with 300K magnet container end 7, and cold screen urceolus 5 outsides are provided with 300K magnet container urceolus 4.
4K magnet container 3 is provided with cold-junction container 1 and neck tube container 2.Be provided with the secondary cold head 11 of refrigeration machine in the cold screen urceolus 5, cold screen urceolus 5 outer walls are provided with the one-level cold head 10 of refrigeration machine.
Be provided with room temperature aperture 12 in the cold screen urceolus 5.Cold screen urceolus 5 is arranged in the vacuum tank 13.
The cold screen structure that the utility model proposes is the cold screen inner core 8 of cancellation zero volatilization superconducting magnet dewar container, only keeps cold screen urceolus 5 and cold screen end cap 6.The radiant heat load of 9 pairs of 4K inner cores of hot 300K inner core is leaked in the radiation that this moment, the liquid helium vessel inner core received, rather than the cold screen of the 50K in the universal design is to the radiant heat load of 4K inner core.Whole like this liquid helium vessel heat load increases to some extent, but the sectional area of 4K inner core is less with respect to the sectional area of 4K urceolus and end cap, and the heat load of its increase is little.And the 4K refrigeration machine of zero volatilization magnet has certain cold surplus, and the heat load of increase causes unnecessary volatilization helium also can be liquefied again.Particularly very little to the liquid helium vessel internal diameter, and the very big magnet of external diameter, the heat load of its increase more can be ignored.After cancelling cold screen inner core 8, the 300K inner core just can be given in its unnecessary space, and it is greatly that the room temperature aperture is just variable big that the 300K inner diameter of steel flue becomes.See Fig. 2.
As shown in Figure 3; The utility model is used in liquid helium zero volatilization magnet cryogenic system, but the cryogenic system of cryogenic magnet that refrigeration machine directly cools off or high-temperature superconducting magnet is suitable for the cold screen structure of the superconducting magnet that can realize bigger room temperature aperture of the utility model too.
Embodiment recited above describes the preferred implementation of the utility model; Be not that design and scope to the utility model limits; Do not breaking away under the utility model design concept prerequisite; Common engineers and technicians make the technical scheme of the utility model in this area various modification and improvement all should fall into the protection range of the utility model, and the technology contents that the utility model is asked for protection all is documented in claims.
Claims (5)
1. cold screen structure of superconducting magnet that can realize bigger room temperature aperture; It is characterized in that comprising 4K magnet container (3), 300K magnet container urceolus (4), cold screen urceolus (5), cold screen end cap (6), 300K magnet container end (7) and 300K magnet container inner core (9); The outer cold screen end cap (6) that is provided with of said 4K magnet container (3); The two ends up and down of cold screen end cap (6) are provided with cold screen urceolus (5); The outside of cold screen end cap (6) is provided with 300K magnet container end (7), and cold screen urceolus (5) outside is provided with 300K magnet container urceolus (4).
2. ability according to claim 1 realizes the cold screen structure of superconducting magnet in bigger room temperature aperture, it is characterized in that said 4K magnet container (3) is provided with cold-junction container (1) and neck tube container (2).
3. ability according to claim 1 realizes the cold screen structure of superconducting magnet in bigger room temperature aperture, it is characterized in that being provided with in the said cold screen urceolus (5) the secondary cold head (11) of refrigeration machine, and cold screen urceolus (5) outer wall is provided with the one-level cold head (10) of refrigeration machine.
4. ability according to claim 1 realizes the cold screen structure of superconducting magnet in bigger room temperature aperture, it is characterized in that being provided with in the said cold screen urceolus (5) room temperature aperture (12).
5. ability according to claim 4 realizes the cold screen structure of superconducting magnet in bigger room temperature aperture, it is characterized in that said cold screen urceolus (5) is arranged in the vacuum tank (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202964291U CN202217563U (en) | 2011-08-16 | 2011-08-16 | Superconducting magnet cold shield structure capable of realizing larger room temperature aperture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202964291U CN202217563U (en) | 2011-08-16 | 2011-08-16 | Superconducting magnet cold shield structure capable of realizing larger room temperature aperture |
Publications (1)
| Publication Number | Publication Date |
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| CN202217563U true CN202217563U (en) | 2012-05-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011202964291U Expired - Lifetime CN202217563U (en) | 2011-08-16 | 2011-08-16 | Superconducting magnet cold shield structure capable of realizing larger room temperature aperture |
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| CN (1) | CN202217563U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105225787A (en) * | 2015-11-06 | 2016-01-06 | 宁波健信机械有限公司 | Helium gas cooling magnetic resonance superconducting magnet |
| CN105758527A (en) * | 2016-04-15 | 2016-07-13 | 中国科学院上海技术物理研究所 | Liquid-helium-free spectroscopy thermostat black-body radiation light source sample room |
| CN107864547A (en) * | 2017-12-11 | 2018-03-30 | 合肥中科离子医学技术装备有限公司 | The heat-insulating pipe lining device of superconducting magnet in a kind of superconducting cyclotron |
| CN116313372A (en) * | 2023-05-23 | 2023-06-23 | 宁波健信超导科技股份有限公司 | Superconducting magnet and cooling system and method thereof |
-
2011
- 2011-08-16 CN CN2011202964291U patent/CN202217563U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105225787A (en) * | 2015-11-06 | 2016-01-06 | 宁波健信机械有限公司 | Helium gas cooling magnetic resonance superconducting magnet |
| CN105225787B (en) * | 2015-11-06 | 2017-11-28 | 宁波健信核磁技术有限公司 | Helium gas cooling magnetic resonance superconducting magnet |
| CN105758527A (en) * | 2016-04-15 | 2016-07-13 | 中国科学院上海技术物理研究所 | Liquid-helium-free spectroscopy thermostat black-body radiation light source sample room |
| CN105758527B (en) * | 2016-04-15 | 2019-09-27 | 中国科学院上海技术物理研究所 | A kind of aneroid helium spectrometer thermostat black body radiation light source sample room |
| CN107864547A (en) * | 2017-12-11 | 2018-03-30 | 合肥中科离子医学技术装备有限公司 | The heat-insulating pipe lining device of superconducting magnet in a kind of superconducting cyclotron |
| CN116313372A (en) * | 2023-05-23 | 2023-06-23 | 宁波健信超导科技股份有限公司 | Superconducting magnet and cooling system and method thereof |
| CN116313372B (en) * | 2023-05-23 | 2023-08-11 | 宁波健信超导科技股份有限公司 | Superconducting magnet and cooling system and method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: NANJING JIANXIN SUPERCONDUCTING TECHNOLOGY CO., LT Free format text: FORMER OWNER: NANJING FENGSHENG SUPERCONDUCTOR TECHNOLOGY CO., LTD. Effective date: 20140715 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20140715 Address after: 211113 No. 69 Feitian Avenue, Jiangning economic and Technological Development Zone, Jiangsu, Nanjing Patentee after: Nanjing Jian Xin Superconducting Technology Co., Ltd. Address before: Yan Hu Lu Lukou Town Jiangning District Nanjing 211113 Jiangsu province No. 37 Patentee before: Nanjing Fengsheng Superconductor Technology Co., Ltd. |
|
| ASS | Succession or assignment of patent right |
Owner name: NINGBO JIANXIN MACHINERY CO., LTD. Free format text: FORMER OWNER: NANJING JIANXIN SUPERCONDUCTING TECHNOLOGY CO., LTD. Effective date: 20141215 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: NANJING, JIANGSU PROVINCE TO: 315400 NINGBO, ZHEJIANG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20141215 Address after: 315400 Zhejiang Province, Yuyao City Jia Ling Road No. 27 Patentee after: Ningbo Jansen Mechanism Corp. Address before: No. 69 Feitian Avenue, Jiangning economic and Technological Development Zone, Nanjing Patentee before: Nanjing Jian Xin Superconducting Technology Co., Ltd. |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20161125 Address after: 315301 Ningbo Province, Cixi city streets Han Han new industrial cluster district hi tech Avenue, No. 427 Patentee after: NINGBO JANSEN NMR TECHNOLOGY CO., LTD. Address before: 315400 Zhejiang Province, Yuyao City Jia Ling Road No. 27 Patentee before: Ningbo Jansen Mechanism Corp. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20120509 |
|
| CX01 | Expiry of patent term |