JPH08171864A - Multi-cavity klystron - Google Patents
Multi-cavity klystronInfo
- Publication number
- JPH08171864A JPH08171864A JP31648994A JP31648994A JPH08171864A JP H08171864 A JPH08171864 A JP H08171864A JP 31648994 A JP31648994 A JP 31648994A JP 31648994 A JP31648994 A JP 31648994A JP H08171864 A JPH08171864 A JP H08171864A
- Authority
- JP
- Japan
- Prior art keywords
- hole
- notch
- collector
- pole piece
- output
- 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.)
- Pending
Links
Landscapes
- Microwave Tubes (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】この発明は多空胴クライストロン
に係わり、特にそのポールピースの改良に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a multi-cavity klystron, and more particularly to an improvement of its pole piece.
【０００２】[0002]
【従来の技術】一般に多空胴クライストロンは、電子
銃，高周波作用部，およびコレクタが連結されてなって
いるが、従来、多空胴クライストロンの要部は図４およ
び図５に示すように構成されいる。図中の符号１はコレ
クタ、２はコレクタ１と高周波作用部１１を連結するポ
ールピース、３は高周波作用部１１の出力空胴、４はポ
ールピース２の貫通孔又は切欠き９を通って外部へ引き
出された出力導波管、５は出力窓、６は高周波作用部１
１の中間空胴、７は磁界発生装置、８は電子ビーム、１
２はドリフト管である。2. Description of the Related Art Generally, a multi-cavity klystron is composed of an electron gun, a high-frequency acting part, and a collector connected to each other. Conventionally, the main part of the multi-cavity klystron is constructed as shown in FIGS. Has been done. In the figure, reference numeral 1 is a collector, 2 is a pole piece that connects the collector 1 and the high frequency acting section 11, 3 is an output cavity of the high frequency acting section 11, 4 is a through hole or a notch 9 in the pole piece 2, and the outside To the output waveguide, 5 is an output window, and 6 is a high-frequency acting unit 1.
1 intermediate cavity, 7 magnetic field generator, 8 electron beam, 1
2 is a drift tube.
【０００３】[0003]
【発明が解決しようとする課題】ところが、上記の従来
構造では、出力導波管４を外部へ引き出すために設けた
貫通孔又は切欠き９から磁界が漏れ、コレクタ１に入り
込んだ電子ビーム８に不規則な磁界を与え、コレクタ１
を均一に加熱することが出来ない。However, in the above-mentioned conventional structure, the magnetic field leaks from the through hole or the notch 9 provided to draw out the output waveguide 4 to the electron beam 8 entering the collector 1. Giving an irregular magnetic field, collector 1
Cannot be heated uniformly.
【０００４】この結果、コレクタ１の一部が加熱して部
分的に冷却出来なくなり、管内の真空度を悪化させ、最
悪の場合はリークしてしまう。この発明は、以上のよう
な不都合を解決するものであり、コレクタ負荷入力を高
めることが出来ると共に、冷却効率も向上する多空胴ク
ライストロンを提供することを目的とする。As a result, a part of the collector 1 is heated and cannot be partially cooled, which deteriorates the degree of vacuum in the tube and causes leakage in the worst case. The present invention solves the above-mentioned inconveniences, and an object of the present invention is to provide a multi-cavity klystron capable of increasing the collector load input and also improving the cooling efficiency.
【０００５】[0005]
【課題を解決するための手段】この発明は、高周波作用
部にポールピースを介してコレクタが連結され、高周波
作用部の出力空胴から出力導波管がポールピースに設け
られた貫通孔又は切欠きを通って外部へ引き出されてな
る多空胴クライストロンにおいて、ポールピースに出力
導波管用の貫通孔又は切欠きと異なる位置に、少なくと
も１つの孔又は切欠きが設けられてなる多空胴クライス
トロンである。According to the present invention, a collector is connected to a high frequency acting portion through a pole piece, and an output waveguide is provided from the output cavity of the high frequency acting portion to a through hole or a cut portion. A multi-cavity klystron that is drawn out to the outside through a notch, in which at least one hole or notch is provided in the pole piece at a position different from the through hole or notch for the output waveguide. Is.
【０００６】[0006]
【作用】この発明によれば、コレクタ側の漏れ磁界が均
一化されて、コレクタへの電子ビームの入射の密度分布
が円周方向に均等化されるので、コレクタ負荷入力を高
めることが出来る。又、コレクタの温度分布が可成り均
一になり、冷却効率も向上する。According to the present invention, since the leakage magnetic field on the collector side is made uniform and the density distribution of the electron beam incident on the collector is made uniform in the circumferential direction, the collector load input can be increased. Further, the temperature distribution of the collector becomes fairly uniform and the cooling efficiency is improved.
【０００７】[0007]
【実施例】以下、図面を参照して、この発明の一実施例
を詳細に説明する。この発明による多空胴クライストロ
ンは、図１および図２に示すように構成され、従来例
（図４および図５）と同一箇所には同一符号を付すこと
にする。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described in detail below with reference to the drawings. The multi-cavity klystron according to the present invention is configured as shown in FIGS. 1 and 2, and the same parts as those in the conventional example (FIGS. 4 and 5) are designated by the same reference numerals.
【０００８】即ち、図示しない電子銃には高周波作用部
１１が連結され、この高周波作用部１１にはポールピー
ス２を介してコレクタ１が連結されている。高周波作用
部１１は入力空胴（図示せず），複数の中間空胴６およ
び出力空胴３がドリフト管１２を介して接続されてい
る。出力空胴３からは出力導波管４がポールピース２に
設けられた貫通孔又は切欠き９を通って外部へ引き出さ
れており、出力導波管４には出力窓５が接続されてい
る。更に、図１および図２から明らかなように、ポール
ピース２には出力導波管用の貫通孔又は切欠き９と異な
る位置に、少なくとも１つの孔又は切欠き１０が設けら
れている。この孔又は切欠き１０は、漏れ磁界を調整す
るためのもので、これを設けることにより電子ビーム８
が均一にコレクタ１に捕捉される。That is, the high frequency acting portion 11 is connected to the electron gun (not shown), and the high frequency acting portion 11 is connected to the collector 1 through the pole piece 2. An input cavity (not shown), a plurality of intermediate cavities 6 and an output cavity 3 are connected to the high-frequency acting section 11 via a drift pipe 12. An output waveguide 4 is pulled out from the output cavity 3 through a through hole or a notch 9 provided in the pole piece 2, and an output window 5 is connected to the output waveguide 4. . Further, as apparent from FIGS. 1 and 2, the pole piece 2 is provided with at least one hole or notch 10 at a position different from the through hole or notch 9 for the output waveguide. This hole or notch 10 is for adjusting the leakage magnetic field, and by providing it, the electron beam 8
Are evenly captured by the collector 1.
【０００９】尚、高周波作用部１１の外側には、磁界発
生装置７が設けられている。 （変形例）図３はこの発明の変形例を示したもので、上
記実施例と同様効果が得られる。即ち、この変形例で
は、ほぼ軸対称の位置に、２個の孔又は切欠き１３，１
３が形成されている。A magnetic field generator 7 is provided outside the high frequency acting section 11. (Modification) FIG. 3 shows a modification of the present invention, in which the same effect as that of the above embodiment can be obtained. That is, in this modified example, two holes or notches 13 and 1 are formed at substantially axially symmetric positions.
3 are formed.
【００１０】[0010]
【発明の効果】この発明によれば、ポールピースに出力
導波管用の貫通孔又は切欠きと異なる位置に、少なくと
も１つの孔又は切欠きが設けられているので、コレクタ
側の漏れ磁界が円周方向にわたってこの発明によらない
場合よりも均一化される。この結果、コレクタへの電子
ビームの入射の密度分布が円周方向に均等化され、コレ
クタ負荷入力を高めることが出来る。又、コレクタの温
度分布が可成り均一になり、冷却効率も向上する。According to the present invention, since the pole piece is provided with at least one hole or notch at a position different from the through hole or notch for the output waveguide, the leakage magnetic field on the collector side is circular. It is made more uniform in the circumferential direction than in the case not according to the present invention. As a result, the density distribution of the electron beam incident on the collector is equalized in the circumferential direction, and the collector load input can be increased. Further, the temperature distribution of the collector becomes fairly uniform and the cooling efficiency is improved.
【図１】この発明の一実施例に係る多空胴クライストロ
ンを示す平面図。FIG. 1 is a plan view showing a multi-cavity klystron according to an embodiment of the present invention.
【図２】図１のＡ−Ａ線に沿って切断し矢印方向に見た
縦断面図。FIG. 2 is a vertical cross-sectional view taken along line AA of FIG. 1 and viewed in the arrow direction.
【図３】この発明の変形例に係る多空胴クライストロン
を示す平面図。FIG. 3 is a plan view showing a multi-cavity klystron according to a modification of the present invention.
【図４】従来の多空胴クライストロンを示す平面図。FIG. 4 is a plan view showing a conventional multi-cavity klystron.
【図５】図４のＢ−Ｂ線に沿って切断し矢印方向に見た
縦断面図。5 is a vertical cross-sectional view taken along line BB of FIG. 4 and viewed in the direction of the arrow.
１…コレクタ、２…ポールピース、３…出力空胴、４…
出力導波管、５…出力窓、６…中間空胴、７…磁界発生
装置、８…電子ビーム、１０…孔又は切欠き、１１…高
周波作用部、１２…ドリフト管。1 ... Collector, 2 ... Pole piece, 3 ... Output cavity, 4 ...
Output waveguide, 5 ... Output window, 6 ... Intermediate cavity, 7 ... Magnetic field generator, 8 ... Electron beam, 10 ... Hole or notch, 11 ... High frequency action part, 12 ... Drift tube.
Claims (1)
レクタが連結され、上記高周波作用部の出力空胴から出
力導波管が上記ポールピースに設けられた貫通孔又は切
欠きを通って外部へ引き出されてなる多空胴クライスト
ロンにおいて、 上記ポールピースに上記出力導波管用の貫通孔又は切欠
きと異なる位置に、少なくとも１つの孔又は切欠きが設
けられてなることを特徴とする多空胴クライストロン。1. A collector is connected to a high-frequency acting portion through a pole piece, and an output waveguide from the output cavity of the high-frequency acting portion goes to the outside through a through hole or a notch provided in the pole piece. In the extended multi-cavity klystron, the pole piece is provided with at least one hole or notch at a position different from the through hole or notch for the output waveguide. Klystron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP31648994A JPH08171864A (en) | 1994-12-20 | 1994-12-20 | Multi-cavity klystron |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP31648994A JPH08171864A (en) | 1994-12-20 | 1994-12-20 | Multi-cavity klystron |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH08171864A true JPH08171864A (en) | 1996-07-02 |
Family
ID=18077670
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP31648994A Pending JPH08171864A (en) | 1994-12-20 | 1994-12-20 | Multi-cavity klystron |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH08171864A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104064422A (en) * | 2014-06-21 | 2014-09-24 | 电子科技大学 | Small all-metal slow wave device |
-
1994
- 1994-12-20 JP JP31648994A patent/JPH08171864A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104064422A (en) * | 2014-06-21 | 2014-09-24 | 电子科技大学 | Small all-metal slow wave device |
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