JPH04273408A - Deflection magnet - Google Patents
Deflection magnetInfo
- Publication number
- JPH04273408A JPH04273408A JP5576691A JP5576691A JPH04273408A JP H04273408 A JPH04273408 A JP H04273408A JP 5576691 A JP5576691 A JP 5576691A JP 5576691 A JP5576691 A JP 5576691A JP H04273408 A JPH04273408 A JP H04273408A
- Authority
- JP
- Japan
- Prior art keywords
- winding
- winding conductor
- winding frame
- deflection
- conductors
- Prior art date
- 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.)
- Granted
Links
- 238000004804 winding Methods 0.000 claims abstract description 143
- 239000004020 conductor Substances 0.000 claims abstract description 108
- 125000006850 spacer group Chemical group 0.000 claims abstract description 45
- 230000002093 peripheral effect Effects 0.000 claims abstract description 7
- 239000011810 insulating material Substances 0.000 claims description 32
- 239000002245 particle Substances 0.000 claims description 5
- 102100026827 Protein associated with UVRAG as autophagy enhancer Human genes 0.000 claims 3
- 101710102978 Protein associated with UVRAG as autophagy enhancer Proteins 0.000 claims 3
- 239000002184 metal Substances 0.000 description 5
- 238000009413 insulation Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 229910000679 solder Inorganic materials 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007788 roughening Methods 0.000 description 1
Landscapes
- Particle Accelerators (AREA)
Abstract
Description
【０００１】0001
【産業上の利用分野】本発明は偏向マグネツトに係り、
特に工業用電子蓄積リング用に好適な偏向マグネツトに
関する。[Industrial Application Field] The present invention relates to a polarized magnet.
In particular, the present invention relates to a deflection magnet suitable for use in industrial electron storage rings.
【０００２】0002
【従来の技術】従来の電子蓄積リング用偏向マグネツト
として、例えば特開昭６２−１６９３０６号公報に記載
のものが知られ、これを図２に示している。図２におい
て上下に２分割されて構成されたものを対向配置した偏
向コイル３内には、真空になされて断熱層となつた空間
部６を介して真空容器２が配置されている。偏向コイル
３の外周部にはカラー４を介してシールド鉄心５が配置
され、このようにして偏向マグネツト１が構成されてい
る。この偏向マグネツト１は、荷電粒子を蓄積するため
に真空容器２内の軌道に沿つて均一な磁場を生じさせる
ように構成しなければならない。2. Description of the Related Art A conventional deflection magnet for an electron storage ring is known, for example, as described in Japanese Unexamined Patent Publication No. 169306/1983, which is shown in FIG. In FIG. 2, a vacuum vessel 2 is disposed within a deflection coil 3 which is divided into two parts vertically and arranged facing each other, with a space 6 evacuated and serving as a heat insulating layer interposed therebetween. A shield core 5 is placed on the outer periphery of the deflection coil 3 via a collar 4, and thus the deflection magnet 1 is constructed. The deflection magnet 1 must be configured to produce a uniform magnetic field along the trajectory within the vacuum vessel 2 in order to accumulate charged particles.
【０００３】0003
【発明が解決しようとする課題】しかしながら良好な磁
場均一度を得るには、巻線導体を所定の位置に巻回して
偏向コイルを構成する必要があるが、巻線導体が不整列
になり易く端面が変形したり、また上下方向に分割され
た偏向コイル間に偏りが生じて非対称になり、所定の位
置に巻線導体を固定するのが難しかつた。このため磁場
は、軌道方向および軌道に直交する軌道面の径方向にお
ける均一度が低下してしまい、結局、軌道に沿つて所定
の磁場の強さを有する軌道面を狭くして、荷電粒子の蓄
積量を低下させていた。[Problem to be Solved by the Invention] However, in order to obtain good magnetic field uniformity, it is necessary to construct a deflection coil by winding the winding conductor in a predetermined position, but the winding conductor tends to be misaligned. It was difficult to fix the winding conductor in a predetermined position because the end face was deformed and the deflection coils divided in the vertical direction were uneven and asymmetrical. For this reason, the uniformity of the magnetic field in the orbital direction and the radial direction of the orbital surface perpendicular to the orbit is reduced, and eventually the orbital surface with a predetermined magnetic field strength is narrowed along the orbit, and the charged particle The amount accumulated was decreasing.
【０００４】本発明の目的とするところは、軌道方向お
よび軌道に直交する軌道面の径方向における磁場均一度
を向上した偏向マグネツトを提供するにある。An object of the present invention is to provide a deflection magnet that has improved magnetic field uniformity in the orbital direction and in the radial direction of the orbital surface perpendicular to the orbit.
【０００５】[0005]
【課題を解決するための手段】本発明による第一番目の
発明は上記目的を達成するために、巻枠の外周弧状面の
周方向に配置したポールスぺーサと巻線導体間および巻
線導体間の対向部に嵌合部を構成したことを特徴とする
。[Means for Solving the Problems] In order to achieve the above-mentioned object, the first invention according to the present invention provides an arrangement between a pole spacer and a winding conductor arranged in the circumferential direction of the outer circumferential arcuate surface of a winding frame, and between a winding conductor and a winding conductor. A fitting part is formed in the opposing part between the two.
【０００６】また本発明の第二番目の発明は、巻枠の外
周弧状面にシート状部材を固定し、このシート状部材に
よつて巻線導体を支持固定したことを特徴とする。A second aspect of the present invention is characterized in that a sheet-like member is fixed to the outer peripheral arc-shaped surface of the winding frame, and the winding conductor is supported and fixed by this sheet-like member.
【０００７】また本発明の第三番目の発明は、巻枠の外
周弧状面に多数のビスを設け、内部に巻線導体を収納し
たＵ字状ケースを上記ビスに溶着したことを特徴とする
。The third aspect of the present invention is characterized in that a large number of screws are provided on the outer arcuate surface of the winding frame, and a U-shaped case housing a winding conductor therein is welded to the screws. .
【０００８】[0008]
【作用】本発明の第一番目の発明は上述の如く嵌合部を
有しているため、巻線導体の配置に際して、この嵌合を
完成させながら行なうことができるので、軌道に直交す
る軌道面の径方向への巻線導体の突出を防止して、所定
位置に精度良く保持させることができ、これによつて軌
道方向および軌道に直交する軌道面の径方向における磁
場の均一度を向上させることができる。[Function] Since the first aspect of the present invention has the fitting portion as described above, when arranging the winding conductor, the fitting can be completed while the winding conductor is being arranged. It is possible to prevent the winding conductor from protruding in the radial direction of the surface and hold it in a predetermined position with high precision, thereby improving the uniformity of the magnetic field in the orbital direction and in the radial direction of the raceway surface perpendicular to the orbit. can be done.
【０００９】また本発明の第二および第三番目の発明は
、上述したように巻枠へ巻線導体を固定するようにした
ため、軌道に直交する軌道面の径方向への突出を防止す
ると共に、蛇行変形も防止して巻線導体を所定位置に強
制的に保持させ、第一番目の発明と同様の効果を得るこ
とができる。Further, the second and third aspects of the present invention are such that the winding conductor is fixed to the winding frame as described above, so that the raceway surface perpendicular to the raceway is prevented from protruding in the radial direction. , it is possible to forcibly hold the winding conductor in a predetermined position while also preventing meandering deformation, thereby achieving the same effect as the first invention.
【００１０】0010
【実施例】以下本発明の実施例を図面と共に説明する。DESCRIPTION OF THE PREFERRED EMBODIMENTS Examples of the present invention will be described below with reference to the drawings.
【００１１】図１は図２に示した偏向マグネツトにおけ
る偏向コイル３の上半分に相当する部分を拡大して示す
斜視図で、非磁性材から成る巻枠７の外周弧状面８に、
ポールスぺーサ１０と、超電導導体から成る巻線導体１
５が配置されて構成されている。より詳細には巻枠７の
外周弧状面８の中間部にはポールスぺーサ１０がボルト
１１によつて固定されており、このポールスぺーサ１０
は外周弧状面８の周方向に１対の凹部９ａ，９ｂを有し
ている。ポールスぺーサ１０の側方に配置される複数の
巻線導体１５はほぼ同一構造であり、ポールスぺーサ１
０との反対向側には凹部９ａ，９ｂと同様の凹部１３が
形成され、またポールスぺーサ１０との対向部には凸部
１４が形成されている。この凸部１４は、絶縁材１２ａ
を介在してポールスぺーサ１０の凹部９ａ，９ｂ内に嵌
合され、扇状のポールスぺーサ１０に沿つて扇状の巻線
導体１５が配置されていく。この巻線導体１５の凹部１
３には隣り合う巻線導体の凸部が絶縁材１２ｂを介在さ
せて上述の場合と同様に嵌合されている。両絶縁材１２
ａ，１２ｂは軌道方向に所定長を有すると共に同方向に
間隔をおいて離散的に複数設けられているが、外周弧状
面８の周方向の同じ位置に配置されている。また絶縁材
１２ａ，１２ｂが存在する巻線導体１５の下部と外周弧
状面８間には絶縁材１２ｃが介在されており、この絶縁
材１２ｃの軌道方向の長さは絶縁材１２ａ，１２ｂの同
方向長さと同じである。このようにして絶縁材１２ａ，
１２ｂ，１２ｃが配置されていない部分に間隙１６が形
成され、この間隙１６は巻線導体１５を冷却する冷媒の
通路として用いられるように、偏向コイル３全体は巻枠
７を容器壁の一部として構成された図示しない液体ヘリ
ウム容器内に収納されている。FIG. 1 is an enlarged perspective view of a portion corresponding to the upper half of the deflection coil 3 in the deflection magnet shown in FIG.
A pole spacer 10 and a winding conductor 1 made of a superconducting conductor
5 are arranged and configured. More specifically, a pole spacer 10 is fixed to the middle part of the outer circumferential arcuate surface 8 of the winding frame 7 with a bolt 11.
has a pair of recesses 9a and 9b in the circumferential direction of the outer circumferential arcuate surface 8. The plurality of winding conductors 15 arranged on the sides of the pole spacer 10 have almost the same structure, and the pole spacer 1
A recess 13 similar to the recesses 9a and 9b is formed on the opposite side from the pole spacer 10, and a protrusion 14 is formed on the opposite side to the pole spacer 10. This convex portion 14 is formed by the insulating material 12a.
The fan-shaped winding conductor 15 is fitted into the recesses 9a and 9b of the pole spacer 10 with the pole spacer 10 in between. Recess 1 of this winding conductor 15
3, the convex portions of adjacent winding conductors are fitted with the insulating material 12b interposed therebetween, in the same manner as in the above case. Both insulation materials 12
a, 12b have a predetermined length in the orbital direction, and are provided in plural numbers at intervals in the same direction, but are arranged at the same position in the circumferential direction of the outer circumferential arcuate surface 8. Further, an insulating material 12c is interposed between the lower part of the winding conductor 15 where the insulating materials 12a and 12b exist and the outer peripheral arcuate surface 8, and the length of this insulating material 12c in the orbital direction is the same as that of the insulating materials 12a and 12b. It is the same as the direction length. In this way, the insulating material 12a,
A gap 16 is formed in a portion where 12b and 12c are not arranged, and the entire deflection coil 3 is connected to a part of the container wall so that the winding frame 7 It is housed in a liquid helium container (not shown) configured as .
【００１２】このように巻枠７の周方向において、ポー
ルスぺーサ１０とこれに隣接する巻線導体１５の対向部
に凹部９ａ，９ｂと凸部１４から成る嵌合部を形成し、
また巻線導体１５間に凹部１３と凸部１４から成る嵌合
部を形成したため、ポールスぺーサ１０に対向する巻線
導体１５は、嵌合部を利用しながらポールスぺーサ１０
に沿つて配置することができ、蛇行して不整列になるこ
とを防止することができ、また他の巻線導体１５も凹部
１３と凸部１４の嵌合部を利用して配置することができ
るので蛇行して不整列になることがない。また、この理
由で偏向コイル３の上半分と下半分の対称性が向上し、
軌道方向および軌道に直交する軌道面の径方向における
磁場の均一化を図ることができる。[0012] In this way, in the circumferential direction of the winding frame 7, a fitting part consisting of the recesses 9a, 9b and the convex part 14 is formed at the opposing part of the pole spacer 10 and the winding conductor 15 adjacent thereto,
In addition, since a fitting portion consisting of a recess 13 and a protrusion 14 is formed between the winding conductors 15, the winding conductor 15 facing the pole spacer 10 can be attached to the pole spacer 10 by using the fitting portion.
The winding conductor 15 can also be arranged along the concave portion 13 and the convex portion 14 to prevent it from meandering and becoming misaligned. Because it can be done, it does not meander and become misaligned. Also, for this reason, the symmetry between the upper and lower halves of the deflection coil 3 is improved,
The magnetic field can be made uniform in the orbital direction and in the radial direction of the orbital surface perpendicular to the orbit.
【００１３】図９は偏向マグネツトの軌道に直交する軌
道面に沿つた磁場分布を示すもので、上述した実施例に
おける磁場分布ΔＢと、従来の磁場分布Ｂを比較して示
している。同図から分かるように本実施例による磁場分
布ΔＢの方が、従来の磁場分布Ｂよりも実線で示す理想
的磁場分布線ΔＡに対して近づいており、軌道方向の磁
場分布の均一度が向上する。FIG. 9 shows the magnetic field distribution along the orbit plane perpendicular to the orbit of the deflection magnet, and shows a comparison between the magnetic field distribution ΔB in the above-described embodiment and the conventional magnetic field distribution B. As can be seen from the figure, the magnetic field distribution ΔB according to this embodiment is closer to the ideal magnetic field distribution line ΔA shown by the solid line than the conventional magnetic field distribution B, and the uniformity of the magnetic field distribution in the orbit direction is improved. do.
【００１４】図３は本発明の他の実施例による偏向コイ
ルの上半分を示す部分断面斜視図である。FIG. 3 is a partially sectional perspective view of the upper half of a deflection coil according to another embodiment of the invention.
【００１５】この実施例ではポールスぺーサ１０と巻線
導体１５間および各巻線導体１５間に絶縁材１８を介在
させ、絶縁材１８の一方の対向面側は粗状面による接触
とし、他方の対向面側は嵌合により連結としたことを特
徴としている。つまり、ポールスぺーサ１０と絶縁材１
８間はそれぞれの対向部に形成した粗状面１９によつて
接触させている。一方、絶縁材１８の反ポールスぺーサ
側には凸部２０が形成されており、この凸部２０と対向
する巻線導体１５の対向部には凸部２０に嵌合する凹部
２１が形成されている。外周弧状面８の周方向における
巻線導体１５の反対側には同一構造の絶縁材１８が新た
に配置されており、この絶縁材１８と巻線導体１５間は
それぞれの対向部に形成した粗状面１９による接触連結
であり、また絶縁材１８の他方側に形成した凸部２０に
は隣接する巻線導体１５の凹部２１が嵌合されている。
また各巻線導体１５の下部と巻枠７間には先述の絶縁材
１２ｃが配置されている。In this embodiment, an insulating material 18 is interposed between the pole spacer 10 and the winding conductor 15 and between each winding conductor 15, one opposing surface of the insulating material 18 is in contact with the rough surface, and the other is in contact with the rough surface. The opposing surface side is characterized by being connected by fitting. In other words, pole spacer 10 and insulating material 1
8 are in contact with each other by rough surfaces 19 formed on their respective opposing portions. On the other hand, a convex portion 20 is formed on the side of the insulating material 18 opposite to the pole spacer, and a concave portion 21 that fits into the convex portion 20 is formed on the opposing portion of the winding conductor 15 that faces this convex portion 20. ing. An insulating material 18 of the same structure is newly arranged on the opposite side of the winding conductor 15 in the circumferential direction of the outer circumferential arcuate surface 8, and the gap between this insulating material 18 and the winding conductor 15 is formed by roughening formed in the opposing parts. This is a contact connection by a shaped surface 19, and a convex portion 20 formed on the other side of the insulating material 18 is fitted into a concave portion 21 of an adjacent winding conductor 15. Further, the above-mentioned insulating material 12c is arranged between the lower part of each winding conductor 15 and the winding frame 7.
【００１６】このように巻線導体１５は必要数に応じて
設け、それらの間に絶縁材１８を設け、この絶縁材１８
の一方は粗面による連結とし、他方は嵌合による連結と
することにより、巻線導体１５の曲率が小さい偏向マグ
ネツトであつても、特にコイルエンド部で巻線導体１５
の剛性を先の実施例よりも低減して、同様の効果を得る
ことができる。In this way, the winding conductors 15 are provided in accordance with the required number, and the insulating material 18 is provided between them.
By connecting one side by a rough surface and the other by fitting, even if the winding conductor 15 is a deflection magnet with a small curvature, the winding conductor 15 can be connected particularly at the coil end.
The same effect can be obtained by reducing the stiffness of the structure compared to the previous embodiment.
【００１７】図４は本発明の他の実施例による偏向コイ
ルの上半分を示す部分断面斜視図である。FIG. 4 is a partially sectional perspective view showing the upper half of a deflection coil according to another embodiment of the invention.
【００１８】この実施例における巻枠７の外周弧状面８
には、その周方向にポールスぺーサ１０と複数の巻線導
体１５が配置されており、周方向におけるそれらのそれ
ぞれの対向部に凹部２２，２３が形成されている。この
凹部２２，２３を除く各対向部には絶縁紙２４を介在さ
せ、凹部２２，２３内に絶縁被覆したステンレス鋼から
成る芯線２５を嵌合させている。また各巻線導体１５の
下部と巻枠７間には先述の絶縁材１２ｃが軌道方向に所
定長さを有して離散的に配置されている。The outer peripheral arcuate surface 8 of the winding frame 7 in this embodiment
A pole spacer 10 and a plurality of winding conductors 15 are arranged in the circumferential direction of the pole spacer 10, and recesses 22 and 23 are formed in opposing portions of the pole spacers 10 and 15 in the circumferential direction. An insulating paper 24 is interposed between each opposing portion except for the recesses 22 and 23, and a core wire 25 made of insulated stainless steel is fitted into the recesses 22 and 23. Further, between the lower part of each winding conductor 15 and the winding frame 7, the above-mentioned insulating materials 12c are discretely arranged with a predetermined length in the track direction.
【００１９】このようにポールスぺーサ１０と巻線導体
１５の対向部、また各巻線導体１５の対向部にそれぞれ
凹部２２，２３を形成し、この凹部２２，２３内に芯線
２５を介在させるようにすると、図３の実施例のように
外周弧状面８の周方向に所定の寸法を必要とする絶縁材
１８を省略することができるので、その分だけ周方向に
巻線導体１５のターン数を増加させることができる。In this way, the recesses 22 and 23 are formed in the opposing portions of the pole spacer 10 and the winding conductor 15, and in the opposing portion of each winding conductor 15, and the core wire 25 is interposed in the recesses 22 and 23. 3, it is possible to omit the insulating material 18 which requires a predetermined dimension in the circumferential direction of the outer circumferential arcuate surface 8, so that the number of turns of the winding conductor 15 in the circumferential direction can be reduced accordingly. can be increased.
【００２０】図５は本発明の更に異なる実施例による偏
向コイルの上半分を示す部分断面斜視図である。FIG. 5 is a partially sectional perspective view showing the upper half of a deflection coil according to yet another embodiment of the invention.
【００２１】この実施例は図３で説明したポールスぺー
サ１０と巻線導体１５間、また各巻線導体１５間に、嵌
合部をもつ絶縁材１８を介在させた方式における変形例
を示している。この実施例におけるポールスぺーサ１０
は、巻線導体１５との対応部側に断面半円状の凸部２６
を軌道方向に連続して有し、またポールスぺーサ１０に
対向する巻線導体１５は、絶縁紙２４で外周を包んで成
りポールスぺーサ１０との対向面に断面半円状の凸部２
７を軌道方向に連続して有している。これら両者間に介
在された絶縁材１８は、ポールスぺーサ１０と巻線導体
１５との対向面にそれぞれ凸部２６，２７に嵌合する凹
部２８，２９を有している。隣接する巻線導体１５間も
同様の構成となつており、間に絶縁材１８を介在させて
いる。またポールスぺーサ１０と絶縁材１８の間には絶
縁紙２４を介在させている。This embodiment shows a modification of the method described in FIG. 3 in which an insulating material 18 having a fitting portion is interposed between the pole spacer 10 and the winding conductor 15, and between each winding conductor 15. There is. Pole spacer 10 in this embodiment
is a convex portion 26 having a semicircular cross section on the side corresponding to the winding conductor 15.
The winding conductor 15 that faces the pole spacer 10 has an outer periphery wrapped with an insulating paper 24 and has a protrusion 2 having a semicircular cross section on the surface facing the pole spacer 10.
7 continuously in the orbital direction. The insulating material 18 interposed between the two has recesses 28 and 29 on the opposing surfaces of the pole spacer 10 and the winding conductor 15, which fit into the projections 26 and 27, respectively. Adjacent winding conductors 15 have a similar configuration, with an insulating material 18 interposed therebetween. Further, an insulating paper 24 is interposed between the pole spacer 10 and the insulating material 18.
【００２２】この実施例によれば、先の実施例と同様に
、ポールスぺーサ１０の凸部２６に絶縁材１８の凹部２
８を嵌合させた後、絶縁材１８の凹部２９に巻線導体１
５の凸部２７を嵌合させて巻線導体１５の飛び出しを防
止しながら、巻線導体１５を所定の位置に配置すること
ができるので、磁場の均一性を向上させることができる
。According to this embodiment, similarly to the previous embodiment, the convex portion 26 of the pole spacer 10 is provided with the concave portion 2 of the insulating material 18.
8, the winding conductor 1 is inserted into the recess 29 of the insulating material 18.
Since the winding conductor 15 can be placed at a predetermined position while the convex portions 27 of No. 5 are fitted together to prevent the winding conductor 15 from protruding, the uniformity of the magnetic field can be improved.
【００２３】また上述した各実施例から分かるように、
ポールスぺーサ１０と巻線導体１５間は絶縁紙２４や絶
縁材１８等の絶縁手段によつて絶縁されると共に、それ
らの対向部に嵌合部を構成すれば良く、この嵌合部は種
々の構成および形状を採ることができる。[0023] Also, as can be seen from the above-mentioned embodiments,
The pole spacer 10 and the winding conductor 15 may be insulated by an insulating means such as an insulating paper 24 or an insulating material 18, and a fitting portion may be formed at the opposing portion thereof. The configuration and shape can be adopted.
【００２４】図６は本発明の更に異なる実施例による偏
向コイルの上半分を示す部分断面斜視図である。FIG. 6 is a partially sectional perspective view showing the upper half of a deflection coil according to yet another embodiment of the invention.
【００２５】先の実施例においてはポールスぺーサ１０
と巻線導体１５間および各巻線導体１５間に嵌合部を構
成したが、本実施例では巻線導体１５を巻枠７へ固定す
る固定手段を用いている。すなわち、巻枠７の外周弧状
面８には各巻線導体１５に対応する位置で軌道方向に連
続した固定溝３０を形成すると共に、後述する固定キー
３１を固定溝３０へ嵌入しねじ３２によつて固定できる
ようねじ穴が形成されている。先ず、ポールスぺーサ１
０に近い固定溝３０内に軌道方向に所定幅を持つ絶縁シ
ート３３の一端を置き、その上から固定溝３０へ嵌合し
た固定キー３１を配置し、この状態でねじ３２を締め付
けて固定キー３１を固定溝３０内に固定する。この状態
でポールスぺーサ１０側の巻線導体１５を配置すると共
に、この巻線導体１５を先の絶縁シート３３で反時計方
向に一回巻き付ける。次いで、ポールスぺーサ１０から
二番目の固定溝３０に絶縁シート３３が入るように次の
固定キー３１を絶縁シート３３の上方から固定溝３０に
嵌入し、ねじ３２で固定キー３１を固定する。この固定
キー３１の上に二番目の巻線導体１５を載せ、この二番
目の巻線導体１５を絶縁シート３３で時計方向にほぼ半
周包むようにした後、三番目の固定溝３０に別の固定キ
ー３１をねじ止めする。この状態で三番目の巻線導体１
５をこの固定キー３１の上に載せ、この巻線導体１５を
絶縁シート３３で反時計方向に巻回し、四番目の固定キ
ー３１で四番目の固定溝３０に固定する。巻枠７の周方
向に上述の作業を繰返し全ての巻線導体１５を絶縁シー
ト３３でほぼ半周ずつ包んだ後、巻枠７の突起ガイド板
３４と最後の巻線導体１５間に図示しない絶縁スぺーサ
を差し込み、この絶縁スぺーサによつて絶縁シート３３
の最終端を挟持して固定する。In the previous embodiment, the pole spacer 10
A fitting portion is formed between the winding conductor 15 and each winding conductor 15, but in this embodiment, a fixing means for fixing the winding conductor 15 to the winding frame 7 is used. That is, a fixing groove 30 that is continuous in the track direction is formed in the outer circumferential arcuate surface 8 of the winding frame 7 at a position corresponding to each winding conductor 15, and a fixing key 31, which will be described later, is inserted into the fixing groove 30 and screwed in with the screw 32. A screw hole is formed so that it can be attached and fixed. First, pole spacer 1
Place one end of the insulating sheet 33 having a predetermined width in the track direction in the fixing groove 30 close to 0, place the fixing key 31 fitted into the fixing groove 30 from above, and in this state tighten the screw 32 to remove the fixing key. 31 is fixed in the fixing groove 30. In this state, the winding conductor 15 on the pole spacer 10 side is placed, and the winding conductor 15 is wrapped once in the counterclockwise direction with the insulation sheet 33. Next, the next fixing key 31 is inserted into the fixing groove 30 from above the insulating sheet 33 so that the insulating sheet 33 enters the second fixing groove 30 from the pole spacer 10, and the fixing key 31 is fixed with the screw 32. The second winding conductor 15 is placed on top of this fixing key 31, and after wrapping the second winding conductor 15 clockwise approximately halfway around with the insulating sheet 33, another fixing wire is placed in the third fixing groove 30. Screw the key 31. In this state, the third winding conductor 1
5 is placed on this fixing key 31, this winding conductor 15 is wound counterclockwise with an insulating sheet 33, and is fixed in the fourth fixing groove 30 with the fourth fixing key 31. After repeating the above-mentioned operation in the circumferential direction of the winding frame 7 and wrapping all the winding conductors 15 approximately half a circumference with the insulating sheet 33, insulation (not shown) is placed between the protruding guide plate 34 of the winding frame 7 and the last winding conductor 15. Insert the spacer, and with this insulating spacer, the insulating sheet 33
Clamp and secure the final end of the
【００２６】この作業は軌道方向に所定幅を持つ１つの
絶縁シートに注目して述べたが、軌道方向には複数の絶
縁シートが設けられ、軌道方向に奇数番目となる絶縁紙
は上述の場合と同じ仕方でほぼＳ字状に蛇行して巻回さ
れている。一方、軌道方向の偶数番目となる絶縁シート
３５は巻回の仕方が異なる。つまり、絶縁シート３５の
ポールスぺーサ１０側の端は、一番目の固定溝３０内に
固定キー３１によつて挟持するように固定し、一番目の
巻線導体１５を時計方向にほぼ半周した後、二番目の巻
線導体１５に対して反時計方向にほぼ半周巻回されてい
る。その後、絶縁シート３５を三番目の固定溝３０内に
位置させ、これに嵌入した固定キー３１によつて固定し
ている。このように軌道方向に配置した二枚の絶縁シー
ト３３，３５をそれぞれＳ字状に蛇行して配置すること
によつて各巻線導体１５を両絶縁シート３３，３５で包
囲して固定することができる。Although this work has been described by focusing on one insulating sheet having a predetermined width in the track direction, a plurality of insulating sheets are provided in the track direction, and the odd-numbered insulating sheets in the track direction are as described above. It is wound in a meandering manner in an almost S-shape in the same way. On the other hand, the even-numbered insulating sheets 35 in the orbital direction are wound differently. That is, the end of the insulating sheet 35 on the pole spacer 10 side is fixed in the first fixing groove 30 so as to be held by the fixing key 31, and the first winding conductor 15 is rotated approximately halfway around the first winding conductor 15 in the clockwise direction. After that, it is wound around the second winding conductor 15 approximately half a turn in a counterclockwise direction. Thereafter, the insulating sheet 35 is positioned in the third fixing groove 30 and fixed by the fixing key 31 fitted therein. By arranging the two insulating sheets 33, 35 arranged in the track direction in a meandering S-shape, each winding conductor 15 can be surrounded and fixed by both insulating sheets 33, 35. can.
【００２７】この実施例によれば、巻線導体１５に嵌合
部形成のために凹凸部を設けないで済む。また巻線導体
１５を巻枠７へ順次固定しながら作業できるので、作業
中に先行して配置した巻線導体１５にたわみが生じるこ
とがなく、従つて巻線導体１５の配列精度が一層向上し
て対称性の良い偏向コイルが得られる。According to this embodiment, it is not necessary to provide the winding conductor 15 with an uneven portion for forming a fitting portion. In addition, since the work can be carried out while sequentially fixing the winding conductors 15 to the winding frame 7, the winding conductors 15 placed in advance do not bend during the work, and the arrangement precision of the winding conductors 15 is further improved. As a result, a deflection coil with good symmetry can be obtained.
【００２８】図７は本発明の他の実施例による偏向コイ
ルの上半分を示す部分断面斜視図である。FIG. 7 is a partially sectional perspective view showing the upper half of a deflection coil according to another embodiment of the invention.
【００２９】この実施例においても巻枠７の外周弧状面
に、各巻線導体１５に対応して固定溝３０を形成し、こ
の固定溝３０に嵌合する固定キー３１をねじ３２によつ
て固定できるようにしている。巻線作業は、先ずポール
スぺーサ１０側の固定溝３０へ軌道方向に所定幅を有す
る金属シート板３６の中間部を位置させて固定キー３１
によつて固定する。次いで巻線導体１５を固定キー３１
の上に載せ、図示の如く金属シート板３６で巻線導体１
５を包囲し、端部３７をハンダなどで溶着している。In this embodiment as well, fixing grooves 30 are formed in the outer peripheral arcuate surface of the winding frame 7 in correspondence with each winding conductor 15, and a fixing key 31 that fits into this fixing groove 30 is fixed with a screw 32. I'm trying to make it possible. In the winding work, first, the intermediate part of the metal sheet plate 36 having a predetermined width in the orbital direction is positioned in the fixing groove 30 on the pole spacer 10 side, and the fixing key 31 is
Fix by. Next, the winding conductor 15 is fixed with the key 31.
The winding conductor 1 is placed on the metal sheet plate 36 as shown in the figure.
5, and the end portion 37 is welded with solder or the like.
【００３０】この実施例によれば、巻線導体１５の剛性
が強くても金属シート板３６で巻線導体１５を強固に整
形して固定でき、また図６および図７に示す実施例では
軌道方向に所定長を有した絶縁シート３３，３５や金属
シート板３６等のシート状部材を巻枠７に固定し、この
シート状部材によつて巻線導体１５を包囲して固定した
ため、先の実施例のようにポールスぺーサ１０や巻線導
体１５に嵌合部用の凹凸部を形成する必要がない。According to this embodiment, even if the winding conductor 15 has high rigidity, the winding conductor 15 can be firmly shaped and fixed with the metal sheet plate 36, and in the embodiment shown in FIGS. Sheet-like members such as insulating sheets 33, 35 and metal sheet plates 36 having a predetermined length in the direction are fixed to the winding frame 7, and the winding conductor 15 is surrounded and fixed by the sheet-like members, so that the above Unlike the embodiment, there is no need to form uneven portions for fitting portions on the pole spacer 10 and the winding conductor 15.
【００３１】図８は本発明の更に異なる実施例による偏
向コイルの上半分を示す部分断面斜視図である。FIG. 8 is a partially sectional perspective view showing the upper half of a deflection coil according to yet another embodiment of the invention.
【００３２】この実施例における巻枠７の外周弧状面８
には複数のビス４１を螺合させて設けている。一方、巻
線導体１５はポールスぺーサ１０側から一つ置きに軌道
方向に所定長を有するＵ字状ケース３８内に収納し、Ｕ
字状ケース３８の開口側を巻枠７の外周弧状面８に接触
させ、この状態でＵ字状ケース３８とこれに対向する位
置のビス４１間をハンダ３９で接続している。Ｕ字状ケ
ース３８内に収納された巻線導体１５間に配置される他
の巻線導体１５は、図示の如くＵ字状ケースを備えてお
らず、両側に配置されたＵ字状ケース３８間に挟持して
固定されている。このＵ字状ケース３８は、外周弧状面
８の任意の周方向の同一位置において一つ置きに配置さ
れており、このような配置は軌道方向に所定距離隔てら
れた他の周方向位置においても同様である。しかも、Ｕ
字状ケース３８が配置された周上にはステンレス製のバ
インド板４０が設けられ、Ｕ字状ケース３８とバインド
板４０間を溶接している。このバインド板４０に対応す
る位置のＵ字状ケース３８およびポールスぺーサ１０に
は切欠きが形成され、この切欠き内にバインド板４０が
嵌入されている。Outer circumferential arcuate surface 8 of winding frame 7 in this embodiment
A plurality of screws 41 are screwed together. On the other hand, the winding conductors 15 are housed every other time from the pole spacer 10 side in a U-shaped case 38 having a predetermined length in the track direction.
The opening side of the U-shaped case 38 is brought into contact with the outer circumferential arcuate surface 8 of the winding frame 7, and in this state, the U-shaped case 38 and the screw 41 located opposite thereto are connected with solder 39. The other winding conductors 15 disposed between the winding conductors 15 housed in the U-shaped case 38 do not have a U-shaped case as shown in the figure, but instead have the U-shaped cases 38 disposed on both sides. It is held and fixed in between. These U-shaped cases 38 are arranged every other time at the same position in the circumferential direction of the outer circumferential arcuate surface 8, and this arrangement also applies to other circumferential positions separated by a predetermined distance in the track direction. The same is true. Moreover, U
A bind plate 40 made of stainless steel is provided on the periphery of the U-shaped case 38, and the U-shaped case 38 and the bind plate 40 are welded together. A notch is formed in the U-shaped case 38 and the pole spacer 10 at a position corresponding to the bind plate 40, and the bind plate 40 is fitted into this notch.
【００３３】この実施例によれば、各巻線導体１５をＵ
字状ケース３８によつて強固に、また正確な位置に整列
よく固定することができ、磁場分布の均一度を一層向上
することができる。According to this embodiment, each winding conductor 15 is
The letter-shaped case 38 allows the magnets to be firmly fixed in accurate positions and in good alignment, thereby further improving the uniformity of the magnetic field distribution.
【００３４】尚、図８に示した実施例において、Ｕ字状
ケース３８内には、１ターンの巻線導体１５を配置して
も良いし、数ターンの巻線導体を配置しても良い。また
上述の各実施例における巻線導体１５は超電導導体でも
常電導導体でも良い。In the embodiment shown in FIG. 8, one turn of the winding conductor 15 or several turns of the winding conductor 15 may be arranged in the U-shaped case 38. . Further, the winding conductor 15 in each of the above embodiments may be a superconducting conductor or a normal conductor.
【００３５】[0035]
【発明の効果】以上説明したように本発明によれば、巻
枠の周方向におけるポールスぺーサと巻線導体間および
巻線導体間に嵌合部を形成したり、あるいは巻枠に固定
したシート状部材によつて巻線導体を包囲したり、もし
くは巻線導体を収納した断面Ｕ字状のケースを巻枠に溶
接して固定したため、巻線導体が軌道と直交する軌道面
の径方向に飛び出したり、蛇行変形したりすることがな
く整列させることができ、従つて軌道方向および軌道に
直交する軌道面の径方向における磁場の均一度を向上さ
せることができる。[Effects of the Invention] As explained above, according to the present invention, a fitting part is formed between the pole spacer and the winding conductor in the circumferential direction of the winding frame, and between the winding conductor, or a fitting part is formed between the pole spacer and the winding conductor in the circumferential direction of the winding frame. Because the winding conductor is surrounded by a sheet-like member, or the case with a U-shaped cross section that houses the winding conductor is welded and fixed to the winding frame, the winding conductor is oriented in the radial direction of the raceway surface perpendicular to the raceway. It is possible to align the magnetic field without jumping out or deforming in a meandering manner, and therefore, it is possible to improve the uniformity of the magnetic field in the orbital direction and in the radial direction of the orbital surface perpendicular to the orbit.
【図１】本発明の一実施例による偏向マグネツトの偏向
コイルの上半分を示す部分断面斜視図である。FIG. 1 is a partially sectional perspective view showing the upper half of a deflection coil of a deflection magnet according to an embodiment of the present invention.
【図２】本発明を適用する電子蓄積リング用偏向マグネ
ツトの部分断面斜視図である。FIG. 2 is a partially sectional perspective view of a deflection magnet for an electron storage ring to which the present invention is applied.
【図３】本発明の他の実施例による偏向マグネツトの偏
向コイルの上半分を示す部分断面斜視図である。FIG. 3 is a partially sectional perspective view showing the upper half of a deflection coil of a deflection magnet according to another embodiment of the invention.
【図４】本発明の更に他の実施例による偏向マグネツト
の偏向コイルの上半分を示す部分断面斜視図である。FIG. 4 is a partially sectional perspective view showing the upper half of a deflection coil of a deflection magnet according to yet another embodiment of the present invention.
【図５】本発明の更に他の実施例による偏向マグネツト
の偏向コイルの上半分を示す部分断面斜視図である。FIG. 5 is a partially sectional perspective view showing the upper half of a deflection coil of a deflection magnet according to yet another embodiment of the present invention.
【図６】本発明の更に他の実施例による偏向マグネツト
の偏向コイルの上半分を示す部分断面斜視図である。FIG. 6 is a partially sectional perspective view showing the upper half of a deflection coil of a deflection magnet according to yet another embodiment of the present invention.
【図７】本発明の更に他の実施例による偏向マグネツト
の偏向コイルの上半分を示す部分断面斜視図である。FIG. 7 is a partially sectional perspective view showing the upper half of a deflection coil of a deflection magnet according to yet another embodiment of the present invention.
【図８】本発明の更に他の実施例による偏向マグネツト
の偏向コイルの上半分を示す部分断面斜視図である。FIG. 8 is a partially sectional perspective view showing the upper half of a deflection coil of a deflection magnet according to yet another embodiment of the present invention.
【図９】偏向マグネツトの磁場分布を示す特性図である
。FIG. 9 is a characteristic diagram showing the magnetic field distribution of a deflection magnet.
１ 偏向マグネツト ３ 偏向コイル ７ 巻枠 ８ 外周弧状面 ９ａ 凹部 ９ｂ 凹部 １０ ポールスぺーサ １２ａ 絶縁材 １２ｂ 絶縁材 １３ 凹部 １４ 凸部 １５ 巻線導体 １８ 絶縁材 ２２ 凹部 ２３ 凹部 ２４ 絶縁紙 ２５ 芯線 ３０ 固定溝 ３１ 固定キー ３３ 絶縁シート ３５ 絶縁シート ３６ 金属シート板 ３８ Ｕ字状ケース ４０ バインド板 ４１ ビス 1 Bending magnet 3 Deflection coil 7 Winding frame 8. Outer arcuate surface 9a Recessed part 9b Recessed part 10 Pole spacer 12a Insulating material 12b Insulating material 13 Recess 14 Convex part 15 Winding conductor 18 Insulating material 22 Recess 23 Recessed part 24 Insulating paper 25 Core wire 30 Fixed groove 31 Fixed key 33 Insulation sheet 35 Insulation sheet 36 Metal sheet plate 38 U-shaped case 40 Bind plate 41 screw
Claims (6)
よう略筒状に成すと共に上記軌道方向に扇形にした巻枠
と、この巻枠の外周弧状面に上記軌道方向に沿つて配置
したポールスぺーサと複数の巻線導体とから偏向コイル
を構成して成る偏向マグネツトにおいて、上記巻枠の周
方向における上記偏向コイルと上記ポールスぺーサ間お
よび上記各巻線導体間の対向部に、それぞれ嵌合部を構
成したことを特徴とする偏向マグネツト。1. A winding frame having a substantially cylindrical shape and fan-shaped in the direction of the orbit so as to form a trajectory of charged particles inside the winding frame, and a pole pole disposed on an arcuate outer circumferential surface of the winding frame along the direction of the orbit. In a deflection magnet in which a deflection coil is constituted by a pacer and a plurality of winding conductors, the magnet is fitted between the deflection coil and the pole spacer in the circumferential direction of the winding frame, and between the winding conductors at opposing portions. A deflection magnet characterized by comprising a joint part.
ールスぺーサと上記巻線導体間および上記各巻線導体間
に絶縁材を介在し、この絶縁材とそれぞれの対向部に嵌
合部を構成したことを特徴とする偏向マグネツト。2. The device according to claim 1, wherein an insulating material is interposed between the pole spacer and the winding conductor and between each of the winding conductors, and a fitting portion is formed at a portion facing the insulating material and each of the winding conductors. A deflection magnet characterized by:
ールスぺーサと上記巻線導体間および上記各巻線導体間
に絶縁材を介在させ、この絶縁材の一方の対向面を粗面
による連結とし、他方の対向面を嵌合部としたことを特
徴とする偏向マグネツト。3. The device according to claim 1, wherein an insulating material is interposed between the pole spacer and the winding conductor and between each of the winding conductors, and one opposing surface of the insulating material is connected by a rough surface. , a deflection magnet characterized in that the other opposing surface is a fitting portion.
合部は、それぞれの対向面に対向して形成した凹部と、
これら両凹部内に嵌入された芯線とから成ることを特徴
とする偏向マグネツト。4. The device according to claim 1, wherein the fitting portion includes a recess formed to face each opposing surface;
A deflection magnet characterized by comprising a core wire inserted into both of these recesses.
よう略筒状に成すと共に上記軌道方向に扇形にした巻枠
と、この巻枠の外周弧状面に上記軌道方向に沿つて配置
したポールスぺーサと複数の巻線導体とから偏向コイル
を構成して成る偏向マグネツトにおいて、上記巻枠の周
方向に配置した上記各巻線導体を包囲したシート状部材
を設け、このシート状部材を上記巻枠の外周弧状面に固
定したことを特徴とする偏向マグネツト。5. A winding frame having a substantially cylindrical shape and fan-shaped in the direction of the orbit so as to form a trajectory of charged particles therein, and a pole pole disposed on the outer arcuate surface of the winding frame along the direction of the orbit. In a deflection magnet in which a deflection coil is constituted by a pacer and a plurality of winding conductors, a sheet-like member is provided surrounding each of the winding conductors arranged in the circumferential direction of the winding frame, and this sheet-like member is used as the winding conductor. A deflection magnet characterized by being fixed to the outer arcuate surface of the frame.
よう略筒状に成すと共に上記軌道方向に扇形にした巻枠
と、この巻枠の外周弧状面に上記軌道方向に沿つて配置
したポールスぺーサと複数の巻線導体とから偏向コイル
を構成して成る偏向マグネツトにおいて、上記巻枠の周
方向に配置した上記巻線導体は、断面をＵ字状に成した
Ｕ字状ケース内に収納したものを離散的に複数設け、上
記巻枠の外周弧状面に設けた複数のビスに上記Ｕ字状ケ
ースを溶着したことを特徴とする偏向マグネツト。6. A winding frame having a substantially cylindrical shape and fan-shaped in the direction of the orbit so as to form a trajectory of charged particles therein, and poles arranged on an arcuate outer circumferential surface of the winding frame along the direction of the orbit. In a deflection magnet in which a deflection coil is constituted by a pacer and a plurality of winding conductors, the winding conductor arranged in the circumferential direction of the winding frame is housed in a U-shaped case having a U-shaped cross section. A deflection magnet characterized in that a plurality of stored magnets are provided discretely, and the U-shaped case is welded to a plurality of screws provided on the outer peripheral arcuate surface of the winding frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5576691A JP2986941B2 (en) | 1991-02-28 | 1991-02-28 | Deflection magnet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5576691A JP2986941B2 (en) | 1991-02-28 | 1991-02-28 | Deflection magnet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04273408A true JPH04273408A (en) | 1992-09-29 |
| JP2986941B2 JP2986941B2 (en) | 1999-12-06 |
Family
ID=13007986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5576691A Expired - Fee Related JP2986941B2 (en) | 1991-02-28 | 1991-02-28 | Deflection magnet |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2986941B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013206635A (en) * | 2012-03-27 | 2013-10-07 | Natl Inst Of Radiological Sciences | Deflection electromagnet coil design method, deflection electromagnet coil design device, superconducting electromagnet, accelerator, and coil arrangement optimization program |
-
1991
- 1991-02-28 JP JP5576691A patent/JP2986941B2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013206635A (en) * | 2012-03-27 | 2013-10-07 | Natl Inst Of Radiological Sciences | Deflection electromagnet coil design method, deflection electromagnet coil design device, superconducting electromagnet, accelerator, and coil arrangement optimization program |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2986941B2 (en) | 1999-12-06 |
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|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |