Magnetron also known as the microwave generator, the operating frequency is generally around 2450MHZ. It has a filament, cathode, anode and microwave energy exporter composition. Here to see the microwave oven magnetron working principle and good and bad detection method.
Microwave oven magnetron working principle
In the anode and cathode plus a certain DC voltage, the cathode emits electrons affected by the positive potential of the anode and flew to the anode, and then there is the role of the magnet ? ,? In space, there is a magnetic field perpendicular to the direction of the electric field, and thus the electrons in the magnetic field force and electric field force under the action of the pendulum motion. Because of the anode resonant cavity there is a high-frequency electric field, and thus the formation of the anode around the rotation of the "electron cloud"; when the rotation speed and high-frequency magnetic field synchronization, the electrons will be given all the energy to the high-frequency magnetic field, thus maintaining high-frequency oscillation. This high-frequency energy output by the microwave energy output device output, by the waveguide transmission to the microwave oven cavity heating food.
Microwave oven magnetron good or bad detection method
a. After turning off the machine, so that the high-voltage capacitor discharge, unplug the magnetron filament two plugs.
b. With a multimeter × 1ω resistance file to measure the two filaments, should be less than 1ω.
c. With × 10k? file to measure any filament to ground (metal chassis) are ? '? infinitely large?' ? Otherwise it is bad.
Microwave oven magnetron price
Used about 50 yuan, new to be much more expensive, but I have used a used one is also very good to use, the installation of the size, the model must be about the same, or can not be mounted or very difficult to install.
Microwave Oven Magnetron Repair
Use wire cutters to open the shroud behind the magnetron.
Remove the original magnetron connector insulator with wire cutters.
Use plastic paper to make a temporary mold and the original connector insulator placed on the magnetron pins and injected in accordance with the 1:1 blend of good AB glue.
After more than 12 hours of room temperature curing to repair and use a shaking table to measure the insulation is intact.
Restore the shroud behind the magnetron according to the original structure.
Restore the magnetron and shell and try the machine.
Magnetron Manufacturer
Jinan Chuangxin Industrial Microwave Equipment Co., Ltd. is a high-tech oriented, set of research and development, manufacturing, sales and service as one of the modern science and technology-based enterprises.
Zhengding Runhe Microwave Parts Sales Co., Ltd. takes the design and production of microwave drying equipment as its core business and engages in the design, development and manufacture of other microwave components. The company is a high-tech enterprise with independent intellectual property rights.
Shandong Jinan Mingxin Microwave Equipment Co., Ltd. is a collection of science, industry and trade as one, specializing in the development and production of microwave energy application equipment, high-tech enterprises, the company was founded in 2014, is located in Jinan City, Guaiyin District, Duandian Town, Songzhuang Industrial Park, North
The above is a small introduction to the microwave oven magnetron work Principle and good and bad detection methods, I hope to be able to help you. More information about the magnetron, please continue to pay attention to the decoration network.
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