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Electromagnet for magnetron

An electromagnet, a useful technology, applied in the field of electromagnets, can solve the problems of high cost and achieve the effect of prolonging the service life and high magnetic field strength

Inactive Publication Date: 2013-06-05
江苏海明医疗器械有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Magnetron needs a certain external magnetic field to work, and there are usually two forms of external magnetic field: (1) A constant permanent magnet is used to provide a magnetic field, such as Toshiba 4.8MW magnetron, which works in one working mode and outputs microwave power Constant, in order to change the microwave power input to the accelerating tube, a high-power power divider needs to be added to the microwave feeder; the cost of this method is relatively high; (2) The electromagnet provides the magnetic field

Method used

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  • Electromagnet for magnetron
  • Electromagnet for magnetron

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Embodiment Construction

[0017] See attached figure 1 , 2 , an electromagnet for a magnetron, which includes: an electromagnet skeleton, a magnetic strip coil 14, a radius conversion waveguide, a magnetic shielding strip 20, an air charging joint 6 and a water cooling device;

[0018] The electromagnet skeleton includes: a front mounting plate 11, a rear mounting plate 8, and a cylindrical waveguide; the front mounting plate 11 and the rear mounting plate 8 are provided with through holes with the same outer diameter as the cylindrical waveguide, and the cylindrical waveguide is connected to the front mounting plate 11 and the rear mounting plate. plate 8;

[0019] The magnetic strip coil 14 is a pie-shaped structure, and there are 6 in total, and two adjacent coils are connected in series with each other and then connected in parallel to the power circuit;

[0020] The square-circle conversion waveguide is divided into two parts perpendicular to each other, a square waveguide along the horizontal d...

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Abstract

The invention belongs to the field of electromagnetic control technology, and particularly relates to an electromagnet for a magnetron. The electromagnet comprises an electromagnet skeleton, a magnetic strip coil, square and circular transition waveguides, magnetic shielding strips, an inflation connector and a water cooling device. The magnetic strip coil is connected on the periphery of a central sleeve in a sleeved mode, and seven annular water cooling plates are arranged in the water cooling device in parallel and are respectively connected with the upper edge and the lower edge of the magnetic strip coil in a sleeved mode. The upper ends and the lower ends of a plurality of magnetic shielding strips are fixed on a front mounting plate and a rear mounting plate and evenly arrayed on the periphery of a cooling water pipe. Circular waveguides of the square and circular transition waveguides are connected with cylindrical waveguides in the electromagnet skeleton through sealing rings. The inflation connector is arranged on square waveguides in the square and circular transition waveguides. The electromagnet for the magnetron can totally meet requirement of the magnetron M 5028.

Description

technical field [0001] The invention belongs to the technical field of electromagnetic control, and in particular relates to an electromagnet matched with a magnetron. Background technique [0002] A magnetron is an electric vacuum device used to generate microwave energy. It is essentially a diode placed in a constant magnetic field. Under the control of a constant magnetic field and a constant electric field perpendicular to each other, the electrons in the tube interact with the high-frequency electromagnetic field. The function converts the energy obtained from a constant electric field into microwave energy, so as to achieve the purpose of generating microwave energy; [0003] Magnetron needs a certain external magnetic field to work, and there are usually two forms of external magnetic field: (1) A constant permanent magnet is used to provide a magnetic field, such as Toshiba 4.8MW magnetron, which works in one working mode and outputs microwave power Constant, in ord...

Claims

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Application Information

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IPC IPC(8): H01J23/02H01F7/20
Inventor 王春波王小军吴建兴高阳柘江张益贵
Owner 江苏海明医疗器械有限公司
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