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Microwave heating device and method

A microwave heating device and microwave technology, applied in the microwave field, can solve the problems of fast peripheral heating, slow central heating, slow heat dissipation in the center of the workpiece, etc., and achieve the effects of shortening heating time, easy control, and reducing energy consumption

Active Publication Date: 2016-06-01
CENT SOUTH UNIV
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] When heating a composite material part, because it is a poor conductor of heat, if the traditional heating method is used, the center of the part will heat up slowly and the surrounding area will heat up quickly, but if the traditional microwave method is used for uniform heating, it will be extremely effective. It may lead to slow heat dissipation in the center of the part and overheating, and even if the composite material is heated by microwave and traditional methods at the same time, the heating and curing conditions will not be well controlled

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  • Microwave heating device and method
  • Microwave heating device and method

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Embodiment Construction

[0030] figure 1 A microwave heating device is provided, including a microwave generator 1, a microwave cavity 2, a microwave partial shield 3 and a temperature measuring device 4, the microwave generator sends microwaves into the microwave cavity, and the microwave cavity is used to place microwave-absorbing materials 01. The microwave partial shield is located in the microwave cavity and is used to cover the outer surface of the microwave-absorbing material. The microwave partial shield is composed of a microwave-shielding area and a microwave-transmitting area, and the microwave-transmitting area includes one or A plurality of slits make the microwave energy in the microwave cavity enter the absorbing material from the slits and be absorbed by it; the temperature measuring device includes a temperature measuring head 41 and a temperature measuring transmission line 43, and the temperature measuring head is arranged on the microwave partial shield In the microwave-absorbing m...

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Abstract

The invention provides a microwave heating device. The microwave heating device comprises a microwave generator, a microwave cavity and a microwave local shielding part; the microwave generator sends microwaves into the microwave cavity; the microwave cavity is used for placing a wave sucking material; the microwave local shielding part is positioned in the microwave cavity, and is used for covering the outer surface of the wave sucking material; the microwave local shielding part consists of a microwave shielding area and a microwave passing area; and the microwave passing area includes one or more gaps, so that the microwaves in the microwave cavity can enter the wave sucking material from the gaps to be absorbed. The microwave heating device, provided by the invention,can perform fixed-point and / or fixed-direction heating for the wave sucking material.

Description

technical field [0001] The invention relates to the field of microwaves, in particular to a microwave heating device and method. Background technique [0002] Microwave has the advantages of selective heating of certain materials, fast heating speed, uniform heating, strong penetration, and small thermal inertia. Applying microwave technology to the field of composite material curing can significantly reduce curing time, reduce production costs, and obtain Excellent product performance, with great development potential. [0003] A lot of research has been carried out in the field of composite material curing at home and abroad, and fruitful results have been obtained. However, these studies have a common feature, the composite materials are all directly exposed to the microwave field to complete the curing. For example, Chinese patent application CN201410295387 provides a method for uniform temperature distribution of microwave-pressure-cured composite materials and a comp...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C70/54B29C35/08
CPCB29C35/0805B29C70/54B29C2035/0855B29C70/44
Inventor 湛利华陈效平韦东才黄明辉常腾飞李树健李自强丁星星
Owner CENT SOUTH UNIV
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