The cleaning machine is composed of an ultrasonic generator and a ultrasonic transducer. The ultrasonic transducer is a sandwich transducer made of piezoelectric ceramic material, and the piezoelectric ceramic material generates mechanical vibration under the action of an alternating electric field.
Ultrasonic transducer common problems:
The ultrasonic vibrator is damp. You can check the plug connected to the transducer with a megohmmeter. Check the insulation resistance value to judge the basic situation. Generally, the insulation resistance is greater than 30 megohms. If the insulation resistance value is not reached, the transducer is generally damp. The whole transducer (excluding the sprayed plastic case) can be placed in the oven for about 3 hours at 100 °C or used to remove moisture to the resistance value. Normal until now.
The transducer vibrator is fired and the ceramic material is broken. It can be combined with the naked eye and the megohmmeter. Generally, as an emergency treatment measure, the individual damaged vibrator can be disconnected without affecting the normal use of other vibrators.
The vibrator is degummed. Our transducer is made of cement and screw fastening. Under normal circumstances, this kind of situation will not occur. Due to the action of the screw, the vibrator will not fall off the vibrating surface after degumming. The general judgment method It is to gently shake the tail of the vibrator by hand and carefully observe the glue on the vibrating surface to make a judgment. Generally, the output power of the ultrasonic power supply is normal after the demagnetization occurs, but since the vibrator is not well connected to the vibrating surface, the vibrating surface has a bad vibration effect, and the vibrator may be burnt out after a long time. The treatment method of vibrator degumming is rather cumbersome, and the general situation can only be sent back to the manufacturer for solution. The most effective way to avoid degumming of the vibrator is to pay attention to not hit the vibrating surface during normal use.
Perforation of the vibrating surface, generally the vibrating surface perforation may occur after the transducer is fully loaded for a year.
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