超聲波換能器是超聲波清洗機(jī)的心臟。超聲波清洗機(jī)出現(xiàn)故障時(shí)，如何判斷超聲波換能器是否損壞？一個(gè)換能器盒有2組換能頭，3根電源線，一根是普通線，接換能頭的“負(fù)極”，外殼接地，另外兩根接“正極”"兩組換能器頭的磁極。

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.

一種測(cè)量電阻的方法

A method of measuring resistance

先判斷換能器頭的公共線，用萬用表的電阻檔測(cè)量。連接到機(jī)箱的公共線是單獨(dú)測(cè)量的。公共線和其他兩組線的電阻值分別測(cè)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.

二種體積測(cè)量方法

Two volume measurement methods

換能器頭為電容元件，每個(gè)換能器頭的容量為3.3nF。如果每個(gè)換能器箱有24個(gè)換能器頭，則分為兩組，每組容量為40nF。測(cè)量?jī)山M換能器頭，容量正常為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滿足超聲波清洗機(jī)廠家的需求。超聲波通過換能器將高頻電能轉(zhuǎn)換為機(jī)械振動(dòng)。換能器的特性取決于材料的選擇和制造工藝。相同尺寸和形狀的換能器的性能和使用壽命差別很大。

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.

常用的大功率超聲波換能器有超聲波乳化均質(zhì)機(jī)、超聲波塑料焊接機(jī)、超聲波金屬焊接機(jī)、超聲波清洗機(jī)、連續(xù)工作霧化器、超聲波雕刻機(jī)等設(shè)備。超聲波清洗機(jī)廠家使用的換能器的形狀有柱式和喇叭式兩種。

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.

超聲波清洗機(jī)生產(chǎn)廠家告訴你，一個(gè)換能器裝有兩片壓電陶瓷。壓電陶瓷是換能器的核心部分，也很昂貴。換能器上下蓋均采用鋁合金制造。因?yàn)檫@種材料具有不繡花、不氧化的特點(diǎn)，所以使用壽命長(zhǎng)。由于其內(nèi)部采用進(jìn)口壓電陶瓷片，性能更佳，可全天在超聲波負(fù)載下工作。

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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