Selection and Installation of DC Socket and Details of Welding
Release time：2019-08-20 Clicks： Click
What are the specific details of DC socket selection and installation and welding? What should we do? We will introduce the details below.
Now DC socket market is developing very fast, such as DC socket specifications, models, performance and applications are different, with a small edition to understand the current DC socket specifications and application of some of the more common knowledge points, in addition to technical personnel, but you may not know much about it, then small edition to give Let's talk about it.
The maximum insertion force and minimum separation force of DC sockets are stipulated in the relevant standards, which indicates that the insertion force is small from the point of view of use, and if the separation force is too small, the reliability of contact will be affected. The insertion force and mechanical life of the connector are related to the quality of the coating (sliding friction coefficient) at the contact part of the contact structure and the dimensional accuracy of the contact arrangement.
DC socket test and welding
Taking 30V/0.5A as an example, it shows that the allowable current of this socket is 0.5A and the insulation voltage level is 30V. This 0.5A is the most important, it is the maximum safe current of conductor design. More than 0.5A will heat, oxidize and malfunction. And 30V is the index of insulating material, there is a difference between them.
DC socket welding
Scrape the oxide around the DC socket to be welded, and apply less solder paste. It's better to use 100W soldering iron to weld quickly, then blow air to set quickly, so that the colloid melts and cools immediately.
Points for Attention in Use of DC Socket
1. We should check whether the labels on the plugs and sockets are complete, including the name of the enterprise, the symbol of the nature of the power supply, the specifications and models, the rated current value, and the relevant warnings.
2. The plug should be in good contact with DC socket, without loosening feeling, and can be pulled out without too much effort.
3. DC socket plugs should be selected according to the power of electrical appliances. Two kinds of household appliances with higher power should not be inserted in the same DC socket.
4. Do not insert high-power household appliances into DC sockets with low rated current.
DC socket selection
When choosing DC socket, we should choose some big company and brand products. At present, the quality of DC sockets varies greatly in the market. Many inferior products of DC sockets appear as good quality products. Observe the appearance of DC socket when choosing and purchasing. Generally, the surface of DC socket with good quality is smooth, no glue missing, scratch, no color, bubbles and so on.