"Never put electronic products in water" is a common sense that we have been taught since childhood. Any electronic products are easy to corrode or have uncontrollable faults when encountering water. The ultrasonic cleaner cannot be used because of the presence of water. Of course not. This is not the case.

謠言終結:電子產品和水可以混在一起。

The rumor ends: electronic products and water can be mixed together.

實際上，拔掉插頭的電子設備可以放在水中。訣竅在于超聲波干燥。如果用水清洗電子設備，那么接觸點可能會被任何碰撞的灰塵和碎片污染。為了防止污垢在原位干燥，在干燥過程中使用化學物質會消除污垢。

In fact, electronic devices that are unplugged can be placed in water. The trick is ultrasonic drying. If the electronic equipment is cleaned with water, the contact point may be contaminated by any colliding dust and debris. In order to prevent the dirt from drying in situ, the use of chemicals during the drying process will remove the dirt.

你可能聽說過，用去離子水代替自來水，你的電子產品就安全了。就像普通的水，當你開始用去離子水清洗電子設備時，里面充滿了灰塵和污染物。

You may have heard that if you use deionized water instead of tap water, your electronic products will be safe. Just like ordinary water, when you start cleaning electronic equipment with deionized water, it is full of dust and pollutants.

將電子設備從水中取出后，需要用化學清潔劑清潔任何接觸點，化學清潔劑一定要起到排水和潤滑劑的作用。這將防止關鍵接觸點的污染。

After the electronic equipment is taken out of the water, it is necessary to clean any contact point with a chemical cleaner, which must play the role of drainage and lubricant. This will prevent contamination of critical contact points.

不用擔心電子設備上的焊點。

Don't worry about solder joints on electronic equipment.

似乎超聲波清洗機中使用的振動可能會損壞電子設備中存在的非常脆弱的焊點。還好超聲波沒那么干凈。

It seems that the vibration used in the ultrasonic cleaning machine may damage the very fragile solder joints that exist in the electronic equipment. Fortunately, the ultrasound is not so clean.

超聲波清洗機的工作原理是產生小氣泡，這些小氣泡會一次又一次地出現和破裂。這個過程被稱為空化。因為氣泡是清潔的驅動力，所以焊點是安全的。

The working principle of the ultrasonic cleaning machine is to produce small bubbles, which will appear and break again and again. This process is called cavitation. Because bubbles are the driving force for cleaning, solder joints are safe.

焊接過程中使用的一種化學物質，叫做助焊劑，是廠家用超聲波去除主板上的殘留物。

A chemical substance used in the welding process, called flux, is used by manufacturers to remove residues on the motherboard with ultrasonic.

使用超聲波清洗機選擇適當的頻率。

Use an ultrasonic cleaner to select the appropriate frequency.

你一定要非常小心的一件事是頻率。一般來說，27-40k Hz之間的頻率適合清洗電子產品。如果頻率設置過高，可能會造成損壞。

One thing you must be very careful about is frequency. In general, the frequency between 27-40k Hz is suitable for cleaning electronic products. If the frequency is set too high, damage may occur.

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