CN100527314C - 一种磁控管用磁极 - Google Patents

一种磁控管用磁极 Download PDF

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Publication number
CN100527314C
CN100527314C CNB200510120645XA CN200510120645A CN100527314C CN 100527314 C CN100527314 C CN 100527314C CN B200510120645X A CNB200510120645X A CN B200510120645XA CN 200510120645 A CN200510120645 A CN 200510120645A CN 100527314 C CN100527314 C CN 100527314C
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Prior art keywords
magnetic pole
magnetron
vacuum tube
permanent magnet
magnetic
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CN1808678A (zh
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周汉用
石志博
池榕峰
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Guangdong Witol Vacuum Electronic Manufacture Co Ltd
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Midea Group
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Abstract

本发明是一种磁控管用磁极。磁极(1)由稀土永磁磁钢材料做成。上述磁极(1)做出为外侧呈圆盘形(11)、中部呈圆锥台体(12)的结构,且圆锥台体(12)的中央设有中心孔(13)。本发明磁控管用磁极由于直接采用稀土永磁磁钢材料做成,因用这种材料做成的磁极本身就可以提供真空管工作时所需要的磁场,故其安装在真空管时,不需另外安装磁铁,从而降低了生产成本,且结构简单,安装简便,效率高。本发明是一种性能优良,方便实用的磁控管用磁极。

Description

一种磁控管用磁极
1、技术领域:
本发明是一种磁控管用磁极,属于磁控管用磁极的改造技术。
2、背景技术:
磁极是磁控管中的零件之一。目前,该种磁极是一种不带有磁性的冷扎钢板冲压加工而成,在组装磁控管时,由于该磁极没有磁性,为了提供必须的磁场,需要在磁极1两侧外加铁素体磁铁2,以产生磁场,为磁控管工作提供磁场,其结构如图4所示。这种结构生产成本较高,且结构复杂,安装麻烦,效率低。
3、发明内容:
本发明的目的在于考虑上述问题而提供一种采用稀土永磁磁钢材料做成的磁控管用磁极。本发明用这种材料做成的磁极本身就可以提供真空管工作时所需要的磁场,降低了生产成本,且结构简单,安装简便,效率高。
本发明的结构示意图如图1、2所示,磁极(1)由稀土永磁磁钢材料做成。
上述磁极(1)做出为外侧呈圆盘形(11)、中部呈圆锥台体(12)的结构,且圆锥台体(12)的中央设有中心孔(13)。
本发明磁控管用磁极由于直接采用稀土永磁磁钢材料做成,因用这种材料做成的磁极本身就可以提供真空管工作时所需要的磁场,故其安装在真空管时,不需另外安装磁铁,从而降低了生产成本,且结构简单,安装简便,效率高。本发明是一种性能优良,方便实用的磁控管用磁极。
4、附图说明:
图1为本发明的结构示意图;
图2为图1的侧视图;
图3为安装本发明新磁极的真空管结构示意图;
图4为现有安装有磁极及磁铁的真空管结构示意图。
5、具体实施方式:
实施例:
本发明的结构示意图如图1、2所示,磁极1由稀土永磁磁钢材料做成。
为满足使用的要求,上述磁极1做出为外侧呈圆盘形11、中部呈圆锥台体12的结构,且圆锥台体12的中央设有中心孔13。
安装本发明新磁极的真空管结构示意图如图3所示,其安装简便,效率高。

Claims (2)

1、一种磁控管用磁极,其特征在于磁极(1)由稀土永磁磁钢材料做成。
2、根据权利要求1所述的磁控管用磁极,其特征在于上述磁极(1)做出为外侧呈圆盘形(11)、中部呈圆锥台体(12)的结构,且圆锥台体(12)的中央设有中心孔(13)。
CNB200510120645XA 2005-12-16 2005-12-16 一种磁控管用磁极 Active CN100527314C (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNB200510120645XA CN100527314C (zh) 2005-12-16 2005-12-16 一种磁控管用磁极

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNB200510120645XA CN100527314C (zh) 2005-12-16 2005-12-16 一种磁控管用磁极

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CN1808678A CN1808678A (zh) 2006-07-26
CN100527314C true CN100527314C (zh) 2009-08-12

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4060750A (en) * 1975-05-13 1977-11-29 Tokyo Shibaura Electric Co., Ltd. Compact magnetron with small axial length and slot antenna output attached thereto
CN1503304A (zh) * 2002-11-21 2004-06-09 ���ǵ�����ʽ���� 用于微波炉的磁控管

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4060750A (en) * 1975-05-13 1977-11-29 Tokyo Shibaura Electric Co., Ltd. Compact magnetron with small axial length and slot antenna output attached thereto
CN1503304A (zh) * 2002-11-21 2004-06-09 ���ǵ�����ʽ���� 用于微波炉的磁控管

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