超声波换能器是超声波清洗机的心脏。超声波清洗机出现故障时，如何判断超声波换能器是否损坏？一个换能器盒有2组换能头，3根电源线，一根是普通线，接换能头的“负极”，外壳接地，另外两根接“正极”"两组换能器头的磁极。

Ultrasonic transducer is the heart of ultrasonic cleaning machine. When the ultrasonic cleaning machine breaks down, how to judge whether the ultrasonic transducer is damaged? A transducer box has two groups of transducer heads, three power lines, one is an ordinary line, which is connected to the "negative pole" of the transducer head, the shell is grounded, and the other two are connected to the "positive pole" and the magnetic poles of the two groups of transducer heads.

一种测量电阻的方法

A method of measuring resistance

先判断换能器头的公共线，用万用表的电阻档测量。连接到机箱的公共线是单独测量的。公共线和其他两组线的电阻值分别测量。

First judge the common line of the transducer head and measure it with the resistance gear of the multimeter. The common line connected to the chassis is measured separately. The resistance values of the common line and the other two groups of lines are measured respectively.

二种体积测量方法

Two volume measurement methods

换能器头为电容元件，每个换能器头的容量为3.3nF。如果每个换能器箱有24个换能器头，则分为两组，每组容量为40nF。测量两组换能器头，容量正常为40nF。

The transducer head is a capacitive element, and the capacity of each transducer head is 3.3nf. If each transducer box has 24 transducer heads, it is divided into two groups, each with a capacity of 40nf. Measure two groups of transducer heads, and the normal capacity is 40nf.

常用的25KHZ/50W、28KHZ/50W和40KHZ/50W满足超声波清洗机厂家的需求。超声波通过换能器将高频电能转换为机械振动。换能器的特性取决于材料的选择和制造工艺。相同尺寸和形状的换能器的性能和使用寿命差别很大。

The commonly used 25khz/50w, 28khz/50w and 40khz/50w meet the needs of ultrasonic cleaning machine manufacturers. Ultrasonic wave converts high-frequency electric energy into mechanical vibration through transducer. The characteristics of transducer depend on the choice of material and manufacturing process. The performance and service life of transducers with the same size and shape vary greatly.

常用的大功率超声波换能器有超声波乳化均质机、超声波塑料焊接机、超声波金属焊接机、超声波清洗机、连续工作雾化器、超声波雕刻机等设备。超声波清洗机厂家使用的换能器的形状有柱式和喇叭式两种。

Common high-power ultrasonic transducers include ultrasonic emulsifying homogenizer, ultrasonic plastic welding machine, ultrasonic metal welding machine, ultrasonic cleaning machine, continuous working atomizer, ultrasonic engraving machine and other equipment. The transducer used by ultrasonic cleaning machine manufacturers has two shapes: column type and horn type.

超声波清洗机生产厂家告诉你，一个换能器装有两片压电陶瓷。压电陶瓷是换能器的核心部分，也很昂贵。换能器上下盖均采用铝合金制造。因为这种材料具有不绣花、不氧化的特点，所以使用寿命长。由于其内部采用进口压电陶瓷片，性能更佳，可全天在超声波负载下工作。

The manufacturer of ultrasonic cleaning machine tells you that one transducer is equipped with two pieces of piezoelectric ceramics. Piezoelectric ceramics is the core part of the transducer, which is also very expensive. The upper and lower covers of the transducer are made of aluminum alloy. Because this material has the characteristics of non embroidery and non oxidation, it has a long service life. Due to its internal use of imported piezoelectric ceramics, it has better performance and can work under ultrasonic load all day.

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