AC ion fan and DC fan, which one is better

Which one is better compared with the AC ion fan and the DC fan? The ion fan is mainly used to eliminate static electricity in the area and protect the components from the damage of static electricity and the adsorption of dust particles. Let's not talk about the AC ion fan and the DC ion fan. One is better? First of all, let's understand the difference between AC ion fan and DC ion fan:
1. The number of discharge needles is different
1. AC ion fan: one
2. DC ion fan: two pairs appear
From the discharge method, the AC ion fan only needs one discharge needle to release positive and negative ions, while the DC ion fan needs at least two discharge needles to release positive and negative ions, one to release positive ions and one to release negative ions, so DC ions The discharge needles of the fan are often paired in an even number.
Second, the ion concentration produced is different
1. AC ion fan: low ion concentration
2. DC ion fan: high ion concentration
The number of discharge needles of the DC ion fan is obviously more than that of the AC ion fan, so the ion concentration released by the DC ion fan is obviously higher than that of the AC ion fan. Then, it can be seen from the side door that the static removal speed of the DC ion fan is slightly higher than that of the AC ion fan.
Three, the ion balance is different
1. AC ion fan: high ion balance
2. DC ion fan: low ion balance
Since the needle position of the DC ion fan to generate positive ions and negative ions is fixed, the charge on the target surface is uneven, that is to say, the ion balance of the DC ion fan is lower than that of the AC ion fan. If the discharge needle is affected by the environment or polluted, the tip of the discharge needle will be worn for a long time, which will aggravate the damage to the ion balance, even if it is cleaned later, it will not improve.
Fourth, the ion release distance is different
1. AC ion fan: short ion release distance
2. DC ion fan: long ion release distance
In other words, the AC ion fan is suitable for removing static electricity in a short distance range, generally within 30cm. The DC ion fan has a longer release distance and a longer applicable distance.
5. Security
1. AC ion fan: poor safety
2. DC ion fan: high safety
The DC ion fan generates weak current, which basically has no effect on the human body. The AC ion fan generates a large current, which can easily cause harm to the human body.
6. Service life of transformer
1. AC ion fan: the transformer has a short service life
2. DC ion fan: long service life of the transformer
The voltage fluctuation in the built-in transformer of the AC ion fan is relatively large, the damage to the transformer is relatively large, and the service life is relatively short. The built-in transformer of the DC ion fan does not have too much voltage fluctuation, so the service life will be very long.

