source:Industry News Popular:adapter release time:2022-01-17 09:51:27 Article author:sznbone
Do you know what power adapter tuning fork and direct plug DC plug are? I believe everyone is very unfamiliar with these professional terms. Today, the power adapter manufacturer will take you to understand its knowledge, come and have a look!
We collectively refer to the connectors between the power adapter and the electronic products that are powered by the DC head. It is a metal hollow cylindrical contact body adopted by a tuning fork DC head by a tuning fork type metal contact shrapnel or a straight plug DC head. It is composed of seat, horizontal socket, vertical socket, directional keyway, etc.
There are many types of power adapter DC plugs: for example, our common tuning fork DC male plugs and direct plug-in DC male plugs are the most common. There are also micro USB plugs, mini USB plugs, and USB plugs that are widely used in communication and IT products. , And uncommon cigarette holder heads, F heads, T heads, DC straight-in female heads, aviation heads, waterproof heads, 3-pin/4-pin/5-pin/8-pin connector, alligator clip, audio head, S-terminal , Refrigerator head, banana head, etc. DC head.
The power adapter DC tuning fork male head is also referred to as DC tuning fork head, and the power adapter DC straight plug male head is also referred to as DC straight plug. DC tuning fork head and DC straight plug belong to one of the power adapter DC plugs, and their outer diameters are both The same, there is no difference, the difference is only on the inner wall.
There are two corresponding metal shrapnels on the inner wall of the tuning fork DC head. There are two springs on the inner wall of the DC head for contact and connection with the metal inner needles of the DC seat. The main reason is that the plugging force can be used according to user needs. It is to make the plug contact and stability are better. Because the internal contact is a spring leaf, the size of the inner needle of the matching DC seat is slightly looser, for example, the 5.5*2.5 tuning fork plug can be matched with 5.5*2.5 The socket matching can also be matched with the socket matching 5.5*2.1, but if the two spring plates on the inner wall of the DC head have insufficient elasticity, the contact will definitely be poor.
There is no shrapnel on the inner wall of the straight plug DC head. The entire inner wall is a smooth metal cylinder. The matching DC socket inner needle is connected to it. Compared with the tuning fork plug, its stability is not so good. But in the case of high current. It is more stable to use, because the contact area between the inner wall of the direct plug DC head and the metal inner needle of the DC seat is larger than that of the tuning fork DC head. It has strict requirements on the size of the metal inner needle of the DC seat. For example, the 5.5*2.5 tuning fork plug can only be compared with 5.5*2.5. The matching socket is matched. If it is matched with a 5.5*2.1 matching socket, it will not be able to match or contact poorly.
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