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High efficiency microwave feed excitation system for heating cavity

A technology of microwave heating cavity and excitation system, applied in microwave heating and other directions, can solve the problems of low efficiency of microwave heating system, large fluctuation of heating effect, poor matching of feeding system, etc., so as to avoid mode jumping and burning, and improve energy. The effect of improving utilization efficiency and feeding efficiency

Inactive Publication Date: 2017-11-21
XIAN ENBIENS PHOTOELECTRIC
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Problems solved by technology

[0003] To sum up, the problems existing in the prior art are: the current cavity microwave heating system has poor feed system matching, low feed efficiency, and large fluctuations in the heating effect due to the influence of the target; resulting in the efficiency of the entire microwave heating system Low, the microwave source is easily burned by the reflected power

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  • High efficiency microwave feed excitation system for heating cavity
  • High efficiency microwave feed excitation system for heating cavity
  • High efficiency microwave feed excitation system for heating cavity

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Embodiment Construction

[0018] In order to make the object, technical solution and advantages of the present invention more clear, the present invention will be further described in detail below in conjunction with the examples. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0019] The application principle of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0020] Such as figure 1 As shown, the high-efficiency microwave heating cavity feeding excitation system provided by the embodiment of the present invention includes: a microwave excitation source 1, a first connecting waveguide 2, a circulator 3, a second connecting waveguide 4, a microwave heating cavity 5, and a cut-angle bent waveguide 6. Polarization twist waveguide 7, third connection waveguide 8, heating target 9.

[0021] The output port of the microwave excitation source 1 i...

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Abstract

The invention belongs to the field of microwave heating application technology and discloses a high efficiency microwave feed excitation system for a heating cavity. The system includes a microwave excitation source. An output port of the microwave excitation source is connected to a first port of a circulator through a first connection waveguide. A second port of the circulator is connected with the heating cavity through connecting with a second connection waveguide. A third port of the circulator is connected with one end of a chamfer curved waveguide. The other end of the chamfer curved waveguide is connected with one end of a polarization reversing waveguide. The other end of the polarization reversing waveguide is connected with the heating cavity through connecting with a third connection waveguide. According to the invention, the efficiency of energy feed from the microwave excitation source to the heating cavity and the efficiency of microwave energy absorption of a target are improved substantially.

Description

technical field [0001] The invention belongs to the technical field of microwave heating applications, and in particular relates to a high-efficiency microwave heating cavity feed excitation system. Background technique [0002] Microwave heating is a high-efficiency and energy-saving heating method. The basic principle is to irradiate the target with high-power microwaves, so that the irradiated target generates an oscillating current from the inside to the outside, and generates heat to achieve heating. Because the microwave heating system is non-polluting, high in efficiency, fast in heating speed, and can simultaneously realize the sterilization of the target, it is widely used in various aspects such as grain drying heating, feed processing heating, and food production heating. However, it should be emphasized that in the field of high-power microwave heating involving industrial production, there are still some problems: (1) When the cavity is directly excited by the w...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H05B6/70
CPCH05B6/70
Inventor 马中发张鹏飞王建涛阮俞颖周明马超超
Owner XIAN ENBIENS PHOTOELECTRIC
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