Magnetron-based frequency scanning microwave oven

A technology of frequency scanning and magnetron, which is applied in the microwave field, can solve the problems of low output power and high cost of solid-state microwave sources, and achieve the effect of large output bandwidth and high transmission power

Inactive Publication Date: 2020-10-13
SICHUAN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] The invention proposes a frequency scanning microwave oven based on a magnetron, which solves the problem of relatively low output power and high cost of solid-state microwave sources in the prior art

Method used

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  • Magnetron-based frequency scanning microwave oven
  • Magnetron-based frequency scanning microwave oven
  • Magnetron-based frequency scanning microwave oven

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Embodiment Construction

[0031] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0032] A frequency scanning microwave oven based on a magnetron disclosed by the invention comprises a magnetron connected with an external injection signal through a circulator.

[0033] Preferably, the device providing the external injection signal is a low-power solid-state microwave source;

[0034] Further, the low-power solid-state microwave source adjusts the frequency and sweep bandwidth of the output signal through beam interaction.

[0035] Preferably, t...

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Abstract

The invention relates to the field of microwaves, in particular to a magnetron-based frequency scanning microwave oven. The problems that in the prior art, a solid microwave source is relatively low in output power and high in cost are solved. The microwave oven comprises a magnetron, and an external injection signal is connected through a circulator. Standing wave interaction is used as a theoretical basis, a magnetron microwave source is innovatively used as a solution, injection locking is carried out on the magnetron by using a swept-frequency signal of a low-power solid-state microwave source, large output bandwidth and high transmitting power of the high-power and high-cost solid-state microwave source can be realized through the low-cost magnetron, and the microwave source is low incost, high in power and high in efficiency.

Description

technical field [0001] The invention relates to the field of microwaves, in particular to a frequency scanning microwave oven based on a magnetron. Background technique [0002] Microwaves are widely used in daily life, as well as experimental research in physics, chemistry, biomedicine and other disciplines. In many cases, microwave ovens are used for heating or microwave spectrum effects are used for corresponding processing. [0003] As a kind of microwave source, the magnetron's output spectrum will be affected by the anode current of the magnetron, that is, when the anode current is at a small value, it will generate clutter, phase noise or cause the output spectrum of the magnetron to be wide; [0004] Magnetron has shown its advantages because of its many advantages such as large output power, high efficiency, small size, and low cost. This makes the magnetron not only applicable to the military field, but also widely used in civil fields such as industry, agricultu...

Claims

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Application Information

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IPC IPC(8): H05B6/66H05B6/68
CPCH05B6/66H05B6/68
Inventor 杨阳黄卡玛朱铧丞陈星刘长军
Owner SICHUAN UNIV
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