CN103680802B - A kind of iron core for superconduction undulator magnet - Google Patents
A kind of iron core for superconduction undulator magnet Download PDFInfo
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- CN103680802B CN103680802B CN201310676926.8A CN201310676926A CN103680802B CN 103680802 B CN103680802 B CN 103680802B CN 201310676926 A CN201310676926 A CN 201310676926A CN 103680802 B CN103680802 B CN 103680802B
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Abstract
The present invention relates to a kind of iron core for superconduction undulator magnet, it comprises N+1 the first high magnetic conduction sheet and N the second high magnetic conduction sheet of longitudinal cross arrangement, described the first high magnetic conduction sheet and the second high magnetic conduction sheet are fixed together to form column structure, wherein N is natural number, the physical dimension of described the second high magnetic conduction sheet is less than the physical dimension of described the first high magnetic conduction sheet, so that form a wire casing that holds coil windings between the outer rim of each described the second high magnetic conduction sheet and the end face of adjacent two described the first high magnetic conduction sheets, and the outer rim of described the first high magnetic conduction sheet is also provided with a recess. because the first high magnetic conduction sheet and the second high magnetic conduction sheet can be by processing by grinding machine is disposable a high magnetic conduction sheet material, thereby the uniformity of the thickness that has ensured the first high magnetic conduction sheet and the second high magnetic conduction sheet in the time of machining, has improved the Cycle Length precision of superconduction undulator, simultaneously owing to having adopted high permeability material, thereby can improve the magnetic induction intensity of superconduction undulator.
Description
Technical field
The present invention relates to a kind of iron core for superconduction undulator magnet.
Background technology
Undulator is a kind of equipment that produces periodic magnetic field, is Synchrotron Radiation and free-electron laser dressCore component in putting. In the time of periodic magnetic field that electron beam produces by undulator, the photon phase giving offMutually stack, thus the quasi-monochromatic light of high brightness obtained.
At present, what synchrotron radiation light source mainly used is normal temperature rare earth permanent magnet undulator, and it is mainly confined toThe magnetic induction intensity that can reach in it is lower. At present the superconduction undulator in conceptual phase due toCan realize higher magnetic induction intensity, thereby there is good application prospect. But some in addition at presentKey technical problem has to be solved, has much room for improvement comprising magnetic induction intensity, and the cycle of superconduction undulatorLength machining accuracy has much room for improvement etc.
In view of the foregoing, need to improve the skeleton of superconduction undulator magnet (being iron core) at present,To optimize its performance.
Summary of the invention
For problems of the prior art, the present invention aims to provide a kind of for superconduction undulator magnetIron core, to overcome the shortcoming that superconduction undulator magnetic induction intensity is less and Cycle Length precision is poor.
To achieve these goals, the present invention adopts following technical scheme:
For an iron core for superconduction undulator magnet, described iron core comprises:
The longitudinally N+1 of cross arrangement the first high magnetic conduction sheet and N the second high magnetic conduction sheet, described the first heightMagnetic conduction sheet and the second high magnetic conduction sheet are fixed together to form column structure, and wherein, N is natural number,The physical dimension of described the second high magnetic conduction sheet is less than the physical dimension of described the first high magnetic conduction sheet, so that each instituteState between the outer rim of the second high magnetic conduction sheet and the end face of adjacent two described the first high magnetic conduction sheets and form oneHold the wire casing of coil windings, and the outer rim of described the first high magnetic conduction sheet is also provided with a recess.
Further, the cross section of described the first high magnetic conduction sheet and described the second high magnetic conduction sheet is round rectangle.
Preferably, the length of described the first high magnetic conduction sheet is 80～160mm, and width is 40～80mm; InstituteThe length of stating the second high magnetic conduction sheet is 60～140mmmm, and width is 20～40mm.
Preferably, the thickness of described the first high magnetic conduction sheet and described the second high magnetic conduction sheet is 2～10mm.
Preferably, described recess is arranged on the length direction of described the first high magnetic conduction sheet.
Aforementioned a kind of iron core for superconduction undulator magnet, described iron core also comprises longitudinally through whole institutesState the joint pin of the first high magnetic conduction sheet and the second high magnetic conduction sheet and be arranged on described joint pin two ends so that instituteState the nut that the first high magnetic conduction sheet is fixedly connected with the second high magnetic conduction sheet.
Further, the bottom surface of the described recess of described the first high magnetic conduction sheet and described the second high magnetic conduction sheetOuter rim flushes.
Preferably, described the first high magnetic conduction sheet adopts electrician's soft iron, ferro-cobalt or low-carbon steel material to make.
Preferably, described the second high magnetic conduction sheet adopts electrician's soft iron, ferro-cobalt or low-carbon steel material to make.
Further, described the first high magnetic conduction sheet and described the second high magnetic conduction sheet adopt identical or differentHigh permeability material is made.
Owing to having adopted above-mentioned technical solution, all the first high magnetic conduction sheets and second in the present inventionHigh magnetic conduction sheet can be by a high magnetic conduction sheet material is processed by grinding machine is disposable, thereby ensuredThe uniformity of the thickness of all the first high magnetic conduction sheets and the second high magnetic conduction sheet in the time of machining, has improved superLead the Cycle Length precision of undulator. Meanwhile, owing to having adopted high permeability material, can improve superconduction rippleSwing the magnetic induction intensity of device.
Brief description of the drawings
Fig. 1 is the structural representation of a kind of iron core for superconduction undulator magnet of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, provide preferred embodiment of the present invention, and be described in detail.
As shown in Figure 1, the present invention, i.e. a kind of iron core for superconduction undulator magnet, comprising:
11 the first high magnetic conduction sheet 11(by longitudinal cross arrangement also can be described as pole piece 11) and 10Two high magnetic conduction sheet 12(also can be described as chip 12) be fixed together the column structure 1 of formation, wherein,The face size of described the second high magnetic conduction sheet 12 is less than the face size of described the first high magnetic conduction sheet 11, fromAnd make the outer rim of each the second high magnetic conduction sheet 12 and the end face of adjacent two described the first high magnetic conduction sheets 11 itBetween form a wire casing 14, to hold coil windings (not shown). In addition each the first high magnetic conduction sheet 11,Outer rim also offers a recess 13 so that wire in when coiling from wire casing 14 cablings to the next oneWire casing 14, preferably the bottom surface of this recess 13 flushes with the outer rim of the second high magnetic conduction sheet 12.
In order to make wire be fitted in more closely chip 12 surfaces in when coiling, and at bending tension force with rubUnder the acting in conjunction of wiping power, be difficult for displacement, preferably by described the first high magnetic conduction sheet 11 and described the second high magnetic conductionThe cross section of sheet 12 is designed to be round rectangle as shown in the figure, wherein, and described the first high magnetic conduction sheet 11The desirable 80～160mm of length, the desirable 40～80mm of width, the desirable 2～10mm of thickness; Described secondDesirable 60～the 140mmmm of length of high magnetic conduction sheet 12, the desirable 20～40mm of width, thickness desirable 2～10Mm. In addition, in order to wind the line conveniently, above-mentioned recess 13 is arranged on described the first high magnetic conduction sheet 11 conventionallyOn length direction.
In addition, as shown in the figure, pole piece 11 and chip 12 are equipped with the perforation (not shown) of longitudinal alignmentFor the preferred stainless steel column of joint pin 2() pass, and be provided with nut 3 at the two ends of joint pin 2, so thatPole piece 11 and chip 12 are fixed together to form the iron core that can be used for superconduction undulator magnet.
In the present embodiment, pole piece 11 and chip 12 adopt containing the ferro-cobalt of 30% cobalt and process,The thickness machining accuracy of pole piece 11 and chip 12 can reach 1 μ m, the magnetic induction intensity of superconduction undulatorCan reach 1.2T. Except ferro-cobalt, pole piece 11 and chip 12 can also adopt electrician's soft ironOr low-carbon steel material makes, and pole piece 11 and chip 12 can adopt high magnetic conductance material of the same race also canMake to adopt different high permeability materials.
In the present invention, a pole piece in the middle of every two adjacent wire casings 14, two adjacent wire casings 1411 and the pole piece 11 of each half thickness on two adjacent wire casing 14 both sides, outside, form undulator magneticThe one-period of body. Because all pole pieces 11 or chip 12 can be by logical to a high magnetic conduction sheet materialCross that grinding machine is disposable to be processed, thereby the thickness that has ensured pole piece 11 and chip 12 is in the time of machiningUniformity, improved the Cycle Length precision of superconduction undulator. Meanwhile, owing to having adopted high magnetic conduction materialMaterial, thus the magnetic induction intensity of superconduction undulator can be improved. The present invention be applicable to Synchrotron Radiation andFree-electron laser device.
Above-described, be only preferred embodiment of the present invention, not in order to limit scope of the present invention,The above embodiment of the present invention can also make a variety of changes. Be that every right according to the present patent application is wantedAsk simple, the equivalence that book and description are done change and modify, all fall into the right of patent of the present inventionClaimed scope. The present invention not detailed description be routine techniques content.
Claims (7)
1. for an iron core for superconduction undulator magnet, it is characterized in that, described iron core comprises:
The longitudinally N+1 of cross arrangement the first high magnetic conduction sheet and N the second high magnetic conduction sheet, described the first heightMagnetic conduction sheet and the second high magnetic conduction sheet are fixed together to form column structure, and wherein, N is natural number,The physical dimension of described the second high magnetic conduction sheet is less than the physical dimension of described the first high magnetic conduction sheet, so that each instituteState between the outer rim of the second high magnetic conduction sheet and the end face of adjacent two described the first high magnetic conduction sheets and form an appearanceReceive the wire casing of coil windings, and the outer rim of each the first high magnetic conduction sheet is also provided with a recess in the longitudinal direction,The bottom surface of this recess flushes with the outer rim of described the second high magnetic conduction sheet, described the first high magnetic conduction sheet and the second heightMagnetic conduction sheet adopts a high magnetic conduction sheet material one grinding machine to process.
2. the iron core for superconduction undulator magnet according to claim 1, is characterized in that, instituteThe cross section of stating the first high magnetic conduction sheet and described the second high magnetic conduction sheet is round rectangle.
3. the iron core for superconduction undulator magnet according to claim 2, is characterized in that, instituteThe length of stating the first high magnetic conduction sheet is 80～160mm, and width is 40～80mm; Described the second high magnetic conduction sheetLength be 60～140mm, width is 20～40mm.
4. the iron core for superconduction undulator magnet according to claim 3, is characterized in that, instituteThe thickness of stating the first high magnetic conduction sheet and described the second high magnetic conduction sheet is 2～10mm.
5. according to the iron core for superconduction undulator magnet described in any one in claim 1-4, its spyLevy and be, described iron core also comprises longitudinally through all described the first high magnetic conduction sheets and the second high magnetic conduction sheetJoint pin and be arranged on described joint pin two ends so that described the first high magnetic conduction sheet and the second high magnetic conduction sheet are solidThe fixed nut connecting.
6. the iron core for superconduction undulator magnet according to claim 1, is characterized in that, instituteStating the first high magnetic conduction sheet adopts electrician's soft iron, ferro-cobalt or low-carbon steel material to make.
7. the iron core for superconduction undulator magnet according to claim 1, is characterized in that, instituteStating the second high magnetic conduction sheet adopts electrician's soft iron, ferro-cobalt or low-carbon steel material to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310676926.8A CN103680802B (en) | 2013-12-12 | 2013-12-12 | A kind of iron core for superconduction undulator magnet |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310676926.8A CN103680802B (en) | 2013-12-12 | 2013-12-12 | A kind of iron core for superconduction undulator magnet |
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| Publication Number | Publication Date |
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| CN103680802A CN103680802A (en) | 2014-03-26 |
| CN103680802B true CN103680802B (en) | 2016-05-11 |
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| CN201310676926.8A Active CN103680802B (en) | 2013-12-12 | 2013-12-12 | A kind of iron core for superconduction undulator magnet |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102007010414A1 (en) * | 2007-03-01 | 2008-09-04 | Babcock Noell Gmbh | Wound body for electromagnetic superconducting undulators and wigglers for producing X-ray beams in synchronous beam sources comprises metal sheets held together by connecting elements |
| CN102930916A (en) * | 2012-10-31 | 2013-02-13 | 中国科学院上海应用物理研究所 | High temperature superconducting runway coil array type undulator |
| CN103440953A (en) * | 2013-09-17 | 2013-12-11 | 中国科学院上海应用物理研究所 | Superconducting undulator magnet |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2469143B1 (en) * | 2010-12-21 | 2013-05-29 | Nexans | Coupling arrangement comprising a coupling body and a metallic pipe and method for mounting the coupling body |
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2013
- 2013-12-12 CN CN201310676926.8A patent/CN103680802B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102007010414A1 (en) * | 2007-03-01 | 2008-09-04 | Babcock Noell Gmbh | Wound body for electromagnetic superconducting undulators and wigglers for producing X-ray beams in synchronous beam sources comprises metal sheets held together by connecting elements |
| CN102930916A (en) * | 2012-10-31 | 2013-02-13 | 中国科学院上海应用物理研究所 | High temperature superconducting runway coil array type undulator |
| CN103440953A (en) * | 2013-09-17 | 2013-12-11 | 中国科学院上海应用物理研究所 | Superconducting undulator magnet |
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| Publication number | Publication date |
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| CN103680802A (en) | 2014-03-26 |
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