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A method and equipment for realizing uniform heating by using single solid-state source frequency modulation

A technology of uniform heating and solid-state source, applied in microwave heating and other directions, can solve the problems of high heating cost and complex structure, and achieve the effects of low cost, good heating uniformity and simple structure

Active Publication Date: 2021-06-04
SICHUAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The invention proposes a method and equipment for realizing uniform heating by frequency modulation of a single solid-state source, which solves the problems of multi-solid-state source partition heating, high heating cost and complex structure in the prior art

Method used

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  • A method and equipment for realizing uniform heating by using single solid-state source frequency modulation
  • A method and equipment for realizing uniform heating by using single solid-state source frequency modulation
  • A method and equipment for realizing uniform heating by using single solid-state source frequency modulation

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specific Embodiment 1

[0035]The antenna radiation device and the temperature feedback device are arranged in the heating chamber 8; the single solid-state source 4 is connected to the antenna radiation device through the power divider 3; the microcontroller 6 is connected to the single solid-state source 4 and the temperature feedback device; the power divider 3 is 1 point 6-way power divider, including power divider 3 stage ① and power divider 3 stage ②; the power divider 3 includes dividing electromagnetic energy into 2 groups × 3 paths and 2 groups of electromagnetic energy phase difference both Or 0 microstrip circuit or other microwave devices with the same function. Among them, the length difference of the 2-way microstrip circuit in the first stage of the power divider 3 is l 1 -l 2 = Δl is set to the center frequency f 0 Propagation wavelength λ in the medium f0 , or wavelength λ f0 The integer multiple antenna radiation device is a 2×3 array antenna composed of 6 microstrip patch ant...

specific Embodiment 2

[0042] (one)

[0043] The antenna radiation device and the temperature feedback device are arranged in the heating chamber 8; the single solid-state source 4 is connected to the antenna radiation device through the power divider 3; the microcontroller 6 is connected to the single solid-state source 4 and the temperature feedback device; The device 3 is two groups of microwave devices; they are 1-9-way power splitters, including the first stage of the power splitter 3 and the second stage of the power splitter 3; the power splitter 3 divides the electromagnetic energy into 3 groups × 3 roads And the phase difference of the three groups of electromagnetic energy is or 0 microstrip circuits. The single solid-state source 4 frequencies output electromagnetic wave energy of different powers and frequencies at different times to the stage ① of the power divider 3. Due to the length difference Δl of the microstrip circuit, the phase difference of the electromagnetic wave output by ...

specific Embodiment 3

[0058] The antenna radiation device and the temperature feedback device are arranged in the heating chamber 8; the solid-state source is connected to the antenna radiation device through the power divider 3; the microcontroller 6 is connected to the solid-state source and the temperature feedback device; in this embodiment, the power divider 3 is 1 16-way power divider 3, including power divider 3 stage ① and power divider 3 stage ②; power divider 3 divides the electromagnetic energy into 4 groups × 4 paths, and the phase difference of the 4 groups of electromagnetic energy is equal to Or 0 microstrip circuit or other microwave devices with the same function. The solid-state source outputs electromagnetic wave energy of different powers and frequencies to the stage ① of the power divider 3 at different times. Due to the length difference Δl of the microstrip circuit, the phase difference of the electromagnetic wave output by the stage ① of the power divider 3 is different. ar...

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Abstract

The invention relates to the field of microwave heating, and refers to a method and equipment for realizing uniform heating by frequency modulation of a single solid-state source, which solves the problems of multi-solid-state source district heating, high heating cost and complex structure in the prior art. The invention includes a single solid-state source and a heating chamber, and also includes an antenna radiation device, a power divider, a temperature feedback device and a microcontroller; the microcontroller is connected to the single solid-state source and the temperature feedback device; The device is connected to the antenna radiation device; the power divider is more than two groups of microstrip circuits. The invention connects a single solid-state source with a microcontroller and a power divider, controls the frequency, output power and working time of the single solid-state source, and realizes zoned heating in the heating chamber; by setting a temperature feedback device, real-time monitoring of the temperature distribution in the heating chamber, Uniform heating can be realized, and at the same time, heating with different heating curves for each zone can be realized; the invention can realize zone heating, and has good heating uniformity, simple structure and low cost.

Description

technical field [0001] The invention relates to the field of microwave heating, in particular to a method and equipment for realizing uniform heating by frequency modulation of a single solid-state source. Background technique [0002] With the rapid development of modern science and technology, microwave energy, as a new type of high-efficiency and clean energy, has been widely used in various fields such as industrial production and daily life. Microwave heating is playing an increasingly important role in daily life and industrial production. At the same time, consumers have put forward higher requirements on the cost and uniformity of microwave heating. [0003] In the prior art, there is a method of improving the uniformity of microwave heating by pointing heating, and achieving the purpose of district heating through multi-solid source radiation, but it has the problem of high cost; [0004] There is an urgent need for a new type of heating equipment and method with l...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H05B6/72
CPCH05B6/72
Inventor 朱铧丞杨阳黄卡玛
Owner SICHUAN UNIV
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