CN202443074U - Magnetic shielding testing coil - Google Patents
Magnetic shielding testing coil Download PDFInfo
- Publication number
- CN202443074U CN202443074U CN2011205610528U CN201120561052U CN202443074U CN 202443074 U CN202443074 U CN 202443074U CN 2011205610528 U CN2011205610528 U CN 2011205610528U CN 201120561052 U CN201120561052 U CN 201120561052U CN 202443074 U CN202443074 U CN 202443074U
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- China
- Prior art keywords
- coil
- magnetic
- test coil
- magnetic shielding
- test
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The present utility model discloses a magnetic shielding testing coil, magnetic shielding effects of which can be rapidly tested. The coil comprises a testing power supply for providing a voltage-stabilizing DC source for the testing coil, the testing coil is arranged on a mobile nonmagnetic pedestal, the mobile nonmagnetic pedestal is provided with a nonmagnetic support with adjustable height, the testing coil is fixedly connected on the nonmagnetic support. The testing coil is simple in structure, convenient for operating and convenient and fast for moving.
Description
Technical field
The utility model relates to a kind of proving installation, is a kind of coil of testing the magnet Magnetic Shielding Effectiveness specifically.
Background technology
Nearly twenty or thirty is over year, and superconductor technology has had huge development, and the superconducting magnet technology has also obtained huge achievement, and superconducting magnet is compared with permanent magnet, the electromagnet of routine, has the advantages that volume is little, in light weight, power consumption is few, magnetic field intensity is high.Superconducting magnet has got into fields such as health care, traffic widely.
At medical field, in order to obtain high-quality image quality, need the extraneous undesired signal of shielding, because superconducting magnet generally is positioned over the special electromagnetic screened room, therefore can effectively shield the high-frequency signal that is higher than 50Hz.For the signal that is lower than 1Hz, need be at the special magnetism shielding coil of the inner coiling of magnet.The shield effectiveness of magnetism shielding coil also is an important indicator of superconducting magnet.
The quick test of magnetism shielding coil also is a problem that presses for solution.
The utility model content
Do not have the deficiency of proving installation easy to use in order to overcome existing superconducting magnet inner magnetic shield coil, the utility model technical matters to be solved provides a kind of magnetic shielding test coil that can test its Magnetic Shielding Effectiveness fast.
The utility model solves the technical scheme that its technical matters adopted: the magnetic shielding test coil, be included as the testing power supply that test coil provides the voltage stabilizing DC source, and said test coil is installed on the removable no magnetic pedestal.
Said removable no magnetic pedestal comprises base plate, and base plate is provided with height-adjustable no magnetic support, and test coil is fixedly connected on the no magnetic support.
The beneficial effect of the utility model is: simple in structure, and operating aspect, it is convenient to move.
Description of drawings
Fig. 1 is the synoptic diagram of the utility model magnetic shielding test coil.
Fig. 2 is the synoptic diagram of test scene.
Fig. 3 is the synoptic diagram of testing power supply.
Be labeled as among the figure, the 1-test coil, the removable no magnetic pedestal of 2-, 3-testing power supply, 4-do not have the magnetic support, 5-magnet, 11-coil grading, 12-coil grading, 21-base plate, 22-shaft seating, 23-strap brake castor, 41-rotating shaft, axle in the 42-.
Embodiment
Below in conjunction with accompanying drawing the utility model is further specified.
Like Fig. 1, Fig. 2, shown in Figure 3; The magnetic shielding test coil of the utility model is included as the testing power supply 3 that test coil 1 provides the voltage stabilizing DC source; Said test coil 1 is installed on the removable no magnetic pedestal 2, and removable no magnetic pedestal 2 can be regulated the distance of test coil 1 and magnet 5 to be tested according to the test needs, and is easy to use; The test coil device all uses non-magnetic material; Can reduce the interference to test magnetic field, the magnetic field force that prevents to act on test coil 1 is excessive, causes moving of coil.
Like Fig. 1, shown in Figure 2, said removable no magnetic pedestal 2 comprises the strap brake castor of installing on base plate 21 and the base plate 21 23 so that when test the accurate position of fixing test coil 1.
Like Fig. 1, shown in Figure 2, said base plate 21 is provided with height-adjustable no magnetic support 4, and test coil 1 is fixedly connected on the no magnetic support 4.The height of no magnetic support 4 is regulated can adopt multiple conventional structure, like expansion link, adjusting screw(rod) etc.
Further, go back spiral in the said rotating shaft 41 and be connected with interior axle 42, test coil 1 is fixedly connected on the interior axle 42, so that regulate the height of test coil 1 as required.
As shown in Figure 3, best said testing power supply 3 has two cover out splice going splices, can switch the positive negative sense of input current fast.
The method of application of the magnetic shielding test coil of the utility model may further comprise the steps:
At first,, regulate no magnetic support 4, make the center of test coil 1 consistent with the center of magnet 5 to be measured according to the central hole location of magnet 5;
Then, the brake of strap brake castor 23 is opened, promote removable no magnetic pedestal 2 to magnet 5 suitable distance on axially, rotation adjusting does not have magnetic support 4, makes the axis of the face at test coil 1 place perpendicular to magnet 5 to be measured.
Then, test coil 1 is connected with testing power supply 3, and the magnetic field intensity of record test coil 1 center, then as requested, regulate testing power supply 3 to suitable output current, open testing power supply 3 and test, write down and check the test effect.
Afterwards, break off testing power supply 3, oppositely insert the electric current of test coil 1, open testing power supply 3 once more and test, write down and check the test effect.
At last, whether according to record, it is qualified to calculate the magnet potted coil.
Claims (2)
1. the magnetic shielding test coil is included as the testing power supply (3) that test coil (1) provides the voltage stabilizing DC source, and it is characterized in that: said test coil (1) is installed on the removable no magnetic pedestal (2).
2. magnetic shielding test coil as claimed in claim 1 is characterized in that: said removable no magnetic pedestal (2) comprises base plate (21), and base plate (21) is provided with height-adjustable no magnetic support (4), and test coil (1) is fixedly connected on the no magnetic support (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205610528U CN202443074U (en) | 2011-12-29 | 2011-12-29 | Magnetic shielding testing coil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205610528U CN202443074U (en) | 2011-12-29 | 2011-12-29 | Magnetic shielding testing coil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202443074U true CN202443074U (en) | 2012-09-19 |
Family
ID=46824518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205610528U Expired - Lifetime CN202443074U (en) | 2011-12-29 | 2011-12-29 | Magnetic shielding testing coil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202443074U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109239469A (en) * | 2018-08-16 | 2019-01-18 | 江苏赛诺格兰医疗科技有限公司 | The device and method for detecting magnetic shielding material Magnetic Shielding Effectiveness under downfield |
-
2011
- 2011-12-29 CN CN2011205610528U patent/CN202443074U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109239469A (en) * | 2018-08-16 | 2019-01-18 | 江苏赛诺格兰医疗科技有限公司 | The device and method for detecting magnetic shielding material Magnetic Shielding Effectiveness under downfield |
| CN109239469B (en) * | 2018-08-16 | 2021-11-02 | 江苏赛诺格兰医疗科技有限公司 | Device and method for detecting magnetic shielding effect of magnetic shielding material under low magnetic field |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Magnetic shielding testing coil Effective date of registration: 20131211 Granted publication date: 20120919 Pledgee: Sichuan Yong Zhi financing Company limited by guarantee Pledgor: AllTech Medical Systems, LLC Registration number: 2013510000012 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20150403 Granted publication date: 20120919 Pledgee: Sichuan Yong Zhi financing Company limited by guarantee Pledgor: AllTech Medical Systems, LLC Registration number: 2013510000012 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120919 |
|
| CX01 | Expiry of patent term |