Tips for selecting and applying connector connection inserts

Connectors and plug-ins are widely used in modern manufacturing industry, which are very important in improving the manufacturing process. There is no need to say more about the application of connectors in electronic products in our production and life. Without connectors, electronic products are ornaments without any function. Although they are the main body and connectors are only accessories, their importance is the same, especially in the time of information transmission of electromechanical equipment, which shows the important role of connectors. First, because the importance of connectors highlights the importance of their own quality. Its important role also needs to benefit from the reliable quality of its products. Choosing high-quality connector products is the key to determine the quality of our production and life, on the contrary, it will bring us a lot of trouble. 2. How to select and apply connectors?

When choosing and applying, we must make the necessary choices and screening, so that we can really find the products we need most, and we can really play the role of connectors in our lives.

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Take a look at the quality and standard of its special connector production, which is also a standard for product evaluation. Structure size of 1、: The overall size of the connector is very important. There is a certain space limit for the connection in the product, especially for the connector on the single board, which can not interfere with other components. According to the use space and installation position, select the appropriate installation method (front installation and rear installation, installation and fixing methods include screws, collars, rivets or quick locking of the connector itself) and shape (straight, bent, T-shaped, round, square); Impedance matching of 2、: Some signals have impedance requirements, especially RF signals, which have stricter requirements on impedance matching. When the impedance is not matched, it will cause signal reflection, thus affecting signal transmission. General signal transmission has no special requirements for the impedance of the connector. 3. Shielding: With the development of communication products, more and more attention has been paid to EMC. When selecting the connector, a metal shell is required. At the same time, the cable needs a shielding layer. The shielding layer should be connected with the metal shell of the connector to achieve the shielding effect. The injection molding method can also be used. Wrap the plug with copper sheet, and weld the shielding layer of the cable with the copper sheet. Anti-misplug of 4、: there are two aspects of anti-misplug: one is the connector itself, the connector itself rotates 180 degrees, dislocation and wrong connection lead to wrong signal connection, at this time, it needs to pay attention to select the anti-misplug connector as far as possible, or make the assembly unique by adjusting the relative position of the connector; On the other hand, in order to reduce the types of materials, the same connector is used for several signals. At this time, plug A may be inserted into plug B. At this time, it is necessary to pay attention to the fact that if such a situation will cause serious consequences (not a simple alarm, with damage), A and B interfaces must be selected as different types of sockets. Reliability of 5、 connector: The connector is used to connect signals, so the connection part should be reliable (for example, surface contact is better than point contact, pinhole type is better than leaf spring type, etc.) 6. Operating environment: When the connector is used in outdoor, indoor, high temperature, high humidity, salt fog, mildew, cold and other environments, there are special requirements for the connector. 7、 universality: select universal items as much as possible in the process of connector selection, especially between the same series of products, the selection of connectors has strong universality, reduce material types, increase quantity, reduce costs, and reduce supply risks. 8、 locking function: In order to prevent the connector from falling off when fitting and ensure good contact, the connector needs to have locking function. 9、 cost: The cost is also an important factor in the selection process. With the increasingly fierce competition in the market, the appropriate selection of connectors, the cost of the connector itself and the processing cost need to be considered comprehensively. Supply condition of 10、: The supply of connectors will be affected by various factors. The supply condition of general connectors is better than that of non-general connectors, and the supply condition of domestic connectors is better than that of foreign connectors. 11、 plugging frequency 12. The external material design of the connector can better reflect its environmental performance. Because the external environment is extremely complex, only by adapting to these complex environments can its performance be guaranteed. Otherwise, it will not work well and may be dangerous. Now there are many harsh environments, and there are many types of special connectors for harsh environments, which are common in connector design. You can choose according to your actual needs. Among them, there are finished products for high temperature resistance, high humidity resistance, corrosion resistance, salt resistance, etc. 13、 that because the main quality of the connector is internal, especially the internal wiring, which can not be seen by the naked eye, so when purchasing, we must remember to look at the brand and appearance, it is best to ask for quality assurance. The production process and application of connectors and connectors are becoming more and more specialized, with more scientific and technological elements, and will be more suitable for the market to carry out diversified and humanized research and development, and to meet more environmental standards.

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