Do you know what a power adapter tuning fork and in-line DC head are? These professional terms believe that you are very strange to it, today Ying Hui Yuan power adapter manufacturers will take you together to understand its knowledge.
The connector between the power adapter and the electronic products supplied by it is collectively referred to as the DC head, which is a tuning fork DC head taken by the tuning fork type metal contact shrapnel or directly inserted DC head taken metal hollow cylindrical contact body, insulation base, transverse jack, longitudinal jack, directional keyway, etc.
There are many types of power adapter DC heads: for example, we commonly see tuning fork DC male head, in-line DC male head which are the most common, and micro USB head,mini USB head,USB head which are widely used in communication and IT products, as well as uncommon cigarette lighter head,F head, T head,DC straight female head, aviation head, waterproof head,3 core /4 core /5 core /8 core connection head, alligator clip, audio head,S terminal, refrigerator head, banana and other DC head.
Power adapter DC tuning fork male head is also referred to as DC tuning fork head, power adapter DC straight male head is also referred to as DC straight plug,DC tuning fork head and DC straight plug belong to a power adapter DC plug, their outside diameter is the same, no difference, the difference is only in the inner wall part.
The inner wall of the tuning fork DC head has two corresponding metal shrapnel on the inner wall of the DC head has two spring pieces for contact and connection with the metal needle of the DC seat, mainly inserting and pulling force can be used according to the user needs with different spring pieces, the purpose is to make the plug contact and stability are better. Because of the internal contact of the spring plate, the matching size of the needle in the DC seat is slightly loose. For example, 5.5*2.5 tuning fork plug can be matched with the socket 5.5*2.5 can also be matched with the socket 5.5*2.1, but if the two spring plate on the inner wall of the DC head is not enough elasticity, it will certainly have bad contact.
No shrapnel is inserted into the inner wall of the DC head, and the whole inner wall is a smooth metal cylinder, and the matching DC seat needle contact connection, relative to the tuning fork plug its stability is not so good. However, it is more stable in the case of high current, because the contact area between the inner wall of the DC head and the inner metal needle of the DC seat is larger than that of the tuning fork DC head, and it has strict requirements on the size of the inner metal needle of the DC seat. For example, 5.5*2.5 tuning fork plug can only match the socket that matches 5.5*2.5. If it matches the socket matching 5.5*2.1, it cannot be matched or has poor contact.
