Microwave equipment accessories detection method

The microwave equipment is a non-standard customized equipment. The microwave components used in the microwave equipment must be detected in time and replaced in bad time. The following is a brief introduction:

1, check the cooling device is normal: the device has air-cooled, water-cooled two cooling methods, air-cooled should check whether the fan is intact, the fan power is normal, the damaged parts should be replaced; water-cooled equipment, you should check whether the water leakage, whether Blockage

2. Check if the power supply voltage is normal: The normal input power supply voltage should be AC ​​220V. If the input power fails to meet this requirement, check that the power circuit components such as the air switch and the insurance are intact, and pay attention to whether or not the electrical connections are overheated.

3, check the microwave equipment magnetron is normal: use a multimeter to measure the magnetron filament between the resistance should be less than 1Ω, and the filament insulation to the ground should be good. If the actual measured value does not match the above data, the magnetron should be replaced;

4. Check if the high voltage silicon stack is normal: use a multimeter to measure the forward resistance of the high voltage silicon stack should be about 100KΩ, and the reverse resistance should be infinite. If the actual measured value does not match the above data, the high voltage silicon stack should be replaced;

5, check the capacitance is normal: high-voltage capacitors and resistors connected to the resistance of about 10Ω; capacitor terminals and housing resistance should be infinite. If the actual measured value is inconsistent with the above data, the corresponding components shall be replaced;

6. Check whether the microwave equipment transformer is normal: The resistance of the primary winding of the transformer measured with a multimeter should be about 20Ω; the resistance of the high voltage winding of the transformer should be about 100Ω; the resistance of the filament winding should be close to 0, and the windings should be grounded Insulation should be good. If the actual measured value does not match the above data, it can be determined that the high-voltage transformer is faulty and the transformer should be repaired or replaced.

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