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常見問題

超聲波換能器常見的故障有哪些？

作者：admin來源：http://www.dijiushangdian.cn/時間：2021-03-19

超聲波清洗機核心的部件就是超聲波換能器，那么在以后的使用過程中常見的故障有以下幾個：

The core component of the ultrasonic cleaning machine is the ultrasonic transducer. In the future, the common faults are as follows:

1、超聲波換能器脫落，這種情況多見于使用時間較長的實驗室清洗器，因為大部分廠家實驗室用超聲波清洗器采用不銹鋼拉伸槽，換能器固定只能靠粘膠劑固定，使用時間過長，一般兩三年后，換能器就會脫落；工業用超聲波清洗機，多采用螺釘加粘膠的固定方式，一般很少出現這種情況。

The ultrasonic transducer falls off, which is more common in laboratory cleaners that have been used for a long time, because the ultrasonic cleaners used in most manufacturers' laboratories use stainless steel stretching groove, the transducer can only be fixed by adhesive, and the use time is too long, generally after two or three years, the transducer will fall off; the industrial ultrasonic cleaners mostly use screw and adhesive fixation This is rarely the case.

避免換能器脫落有效的方法是平時使用中注意不撞擊振動面。振動面穿孔，一般換能器滿負荷使用年以后可能會出現振動面穿孔的情況，這是由于振動面的不銹鋼板長時間高頻振動疲勞所至，振動面穿孔說明換能器的使用壽命已經到了，一般只能更換。

The effective way to avoid the transducer falling off is to pay attention not to impact the vibration surface in normal use. The vibration surface is perforated. Generally, the vibration surface may be perforated after the transducer has been used for years at full load. This is due to the long-time high-frequency vibration fatigue of the stainless steel plate on the vibration surface. The vibration surface perforation indicates that the service life of the transducer has arrived and can only be replaced.

2、超聲波換能器炸裂，工業用超聲波清洗機這種問題較為常見，這是有螺釘焊接質量差，不銹鋼清洗槽表面不平等原因造成的，另外液體滴在換能器上也會造成換能器炸裂。這種情況下要將炸裂換能器卸下，并對超聲波清洗槽進行整形，然后再重新粘結換能器。

2. Ultrasonic transducer burst, industrial ultrasonic cleaning machine this problem is more common, this is a screw welding quality is poor, stainless steel cleaning tank surface is not equal cause, in addition, liquid drops on the transducer will also cause transducer burst. In this case, it is necessary to remove the burst transducer, reshape the ultrasonic cleaning tank, and then re bond the transducer.

3、換能器過熱，一般清洗槽裝水并開機工作一段時間后，換能器會慢慢升溫。如果在眾多的換能器中某個換能器溫升特別快，則表明該換能器可能粘結不好.因為此時聲輻射不好，電能量大部分消耗在換能器上而發熱。另一個方法是在小信號條件下逐個測量換能器的電阻抗大小來判別粘結質量。

3. The transducer is overheated. Generally, after the cleaning tank is filled with water and started to work for a period of time, the transducer will slowly heat up. If the temperature rise of one of the transducers is particularly fast, it indicates that the transducer may not bond well. Because the sound radiation is not good at this time, most of the electrical energy is consumed on the transducer and generates heat. Another method is to measure the impedance of transducers one by one under the condition of small signal to judge the bonding quality.

4、超聲波換能器衰減，一般超聲波清洗機使用2年以上，換能器會形成一定的衰減，震動效果會變得很差，此時，維修后使用壽命也不會太長，維修成本也不低，這樣就可以考慮更換新的清洗機。

4. Ultrasonic transducer attenuation, the general ultrasonic cleaning machine used for more than 2 years, the transducer will form a certain attenuation, the vibration effect will become very poor, at this time, the service life after maintenance will not be too long, the maintenance cost is not low, so you can consider replacing a new cleaning machine.

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