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Microwave oven without magnetron

A technology without magnetrons and microwave ovens, applied in the field of microwave ovens, can solve problems that are not conducive to the miniaturization of microwave ovens

Inactive Publication Date: 2011-05-18
GUANGDONG GALANZ GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the design of microwave oven products, it is not conducive to the miniaturization of microwave ovens

Method used

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  • Microwave oven without magnetron
  • Microwave oven without magnetron
  • Microwave oven without magnetron

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Experimental program
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Effect test

Embodiment Construction

[0021] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0022] see figure 1 and figure 2 , the non-magnetron microwave oven, including an oven chamber 6, a control circuit, a microwave signal generating module 9 that replaces the magnetron and generates a microwave signal that meets cooking requirements, a microwave antenna 5 that transmits the microwave signal to the oven chamber, and A power circuit 1 that provides working power for the control circuit and the microwave signal generating module. The microwave signal generation module 9 includes a microwave signal generation circuit 2 and a power amplification circuit 3 .

[0023] The microwave signal generating circuit 2 includes an oscillation circuit for generating microwave signals of 2450 MHz or 900 MHz. The power amplifying circuit 3 includes a microwave signal coupling circuit, an amplifying circuit and an output coupling circuit, wherein the amp...

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Abstract

The invention relates to a microwave oven without a magnetron, comprising an oven cavity, a control circuit, a microwave signal generation module, a microwave antenna and a power circuit, wherein the microwave signal generation module is used for replacing the magnetron and generating a microwave signal which satisfies the required amplitude of cooking; the microwave antenna is used for transmitting the microwave signal to the oven cavity; the power circuit is used for providing a working power supply for the control circuit and the microwave signal generation module; and the microwave signal generation module comprises a microwave signal generation circuit and a power amplification circuit. In the invention, the main part for generating microwave in the oven is not a traditional magnetron, but an electronic circuit which is composed of semiconductor elements and is used as a signal source to generate the microwave signal at a frequency band of 2450 MHz or 900 MHz; the microwave signal voltage is amplified to an amplitude enough for cooking food through the amplification circuit and transmitted to the inner part of the oven cavity through the antenna, thereby reaching the effect of cooking the food; the power circuit is more convenient and faster; the structure is small, exquisite and reasonable; and the control of power output is more flexible.

Description

technical field [0001] The invention relates to a microwave oven, in particular to a microwave oven without a magnetron. Background technique [0002] Since the advent of microwave ovens, the main devices used to generate microwave energy have been magnetrons designed using high-voltage transformers and vacuum tube technology. Due to the working conditions of the vacuum tube device, on the one hand, it requires a good vacuum state and sufficient high pressure to drive. On the other hand, due to the need for heat dissipation, metal heat sinks and large-volume cooling fans are used. Therefore, the entire microwave energy generating system becomes very large in structure. It is not conducive to the miniaturization of the microwave oven in the product design of the microwave oven. Contents of the invention [0003] The object of the present invention is to provide a non-magnetron microwave oven with more convenient power supply circuit, compact structure, reasonable power co...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24C7/02
Inventor 曾铭志卢甘石
Owner GUANGDONG GALANZ GRP CO LTD
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