Microwave output power control device and method

A technology for output power and control devices, which is applied in the field of microwave output power control devices, can solve problems such as low safety, and achieve the effects of improving safety, improving stability, and improving heating effects

Active Publication Date: 2016-03-23
COMBA TELECOM SYST CHINA LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Based on this, it is necessary to provide a microwave output power control device and method

Method used

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  • Microwave output power control device and method
  • Microwave output power control device and method
  • Microwave output power control device and method

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Embodiment Construction

[0019] The specific implementation of the microwave output power control device and method provided by the present invention will be described below with reference to the accompanying drawings.

[0020] refer to figure 1 , figure 1 Shown is a schematic structural diagram of a microwave output power control device of an embodiment, including: a microwave generator 11, an attenuation circuit 13, an amplifying circuit 15, and a controller 17; terminals are connected sequentially, and the controller 17 is respectively connected to the microwave generator 11, the attenuation circuit 13 and the amplification circuit 15;

[0021] The microwave generator 11 generates microwaves, which are attenuated by the attenuation circuit 13, and then amplified by the amplifier circuit 15 to output microwaves. The controller 17 is used to obtain the microwave generation power of the microwave generator 11, amplify The gain of the circuit 15 and the microwave heating power are controlled by adjus...

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Abstract

The invention relates to a microwave output power control device and method. The microwave output power control device comprises a microwave generator, an attenuation circuit, an amplification circuit and a controller. The microwave generator is connected with the input end of the attenuation circuit and the input end of the amplification circuit. The amplification circuit outputs amplified microwaves. The controller is connected with the microwave generator, the attenuation circuit and the amplification circuit. The microwave generator generates microwaves, the microwaves are attenuated through the attenuation circuit, then amplified through the amplification circuit and then output, and the controller is used for obtaining the microwave generating power of the microwave generator, the gain of the amplification circuit and microwave heating power and controlling microwave output power by adjusting the attenuation value of the attenuation circuit. The microwave output power control device and method do not need to depend on a magnetron working in the high-voltage environment, and the safety of control over the microwave output power can be improved; the stability of the microwave output power can be improved for a long time, and then the heating effect of a corresponding microwave heating device can be improved.

Description

technical field [0001] The invention relates to the technical field of microwave control, in particular to a microwave output power control device and method. Background technique [0002] Devices that use microwaves for heating, such as microwave ovens, use microwaves to cause water molecules in food to move at high frequencies, and intense friction occurs between molecules to generate heat, thereby achieving the purpose of heating (or cooking) food. At present, microwave heating devices on the market all use magnetrons to generate microwave signals with a frequency of 2450MHz or 915MHz. [0003] High-power LDMOS (Laterally Diffused Metal Oxide Semiconductor) and GaN (Gallium Nitride Gallium Nitride) used in mobile communications are used to adjust the microwave output power. Even under extreme working conditions, the life can still be as long as millions of hours. With the development of technology and the advancement of technology, the saturation power and saturation eff...

Claims

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Application Information

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IPC IPC(8): F24C7/08H05B6/68
CPCH05B6/686H05B6/687Y02B40/00
Inventor 谢路平刘海涛
Owner COMBA TELECOM SYST CHINA LTD
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