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How to choose and apply a connector connecting plug -in?

Date:2023-03-20   Click:316   Source:CHINWL Connector

1. Structural size: The shape size of the connector is very important. There are certain space limitations in the connection in the product, especially the connector on the board, which cannot interfere with other parts. Select the appropriate installation method according to the use space and installation site (installation with front installation and post -installation, and the installation fixed method has screws, card rings, rivets, or connectors itself to sell fast locking, etc.) and appearance Type, round, square);

2. Image matching: Some signals have impedance requirements, especially radio frequency signals, which are more stringent on resistance matching. When the impedance is not matched, signal reflection will be caused, which will affect signal transmission. General signal transmission has no special requirements for the impedance of the connector.

3. Shielding: With the development of communication products, EMC is getting more and more attention. When the selected connector, a metal shell is required. At the same time, the cable needs to be shielded. The effect can also be wrapped in the plug area with copper skin, and the shielding layer of the cable is welded with copper leather.
4. Anti -error insertion: There are two aspects of anti -error insertion: on the one hand, the connector itself, the connector itself rotates 180 degrees, and the dislocation error connection causes the signal error connection. At this time Adjust the relative position relationship of the connector to make the assembly unique; on the other hand, for reducing the type of material types, several signals use the same connector. At this time When this happens, it will cause serious consequences (non -simple alarm, with destruction), and the A and B interfaces must be selected as different types of sockets.

5. Connect reliability: The connector is used to connect the signal, so the connection part is reliable (for example, the face contact is better than the point contact, the pinhole type should be better than the spring type, etc.)
6. Use environment: When the connector is used, it has special requirements for the connector when it is outdoors, indoor, high temperature, high humidity, salt fog, mold, cold and other environments.

7. Universality: In the process of selecting the connector, you should choose the universal object as much as possible. Especially between the same series of products, the choice of the connector has a strong versatility, reduces the type of material, increases the cost and reduces the cost, and reduces the supply at the same time. Risk of goods.

8. Locking function: In order to stop the connector, it occurs off when the connector is combined to ensure good contact, and the connector needs to have the lock function.
9. Cost: Cost is also a more important factor in the selection process. As the market competition is becoming increasingly fierce, the appropriate selection connector, the own cost of the connector, and the processing cost of the connector need to be considered comprehensive consideration.
10. Supply situation: The supply of connectors will be affected by many factors. The general connector is better than the supply of universal connectors, and domestic production is better than the supply of supply produced outside the country.
11, plug -in frequency
12. The connection of the connector can better reflect its environmental performance in terms of external materials design. Because the external environment is extremely complicated, it can ensure that these complex environments can ensure that their use of performance is waved. Otherwise There may be danger. There are many harsh environments now. There are many types of special connectors in the most common and harsh environments in connectors. This can be selected according to actual needs. Among them, high -temperature, high humidity resistance, corrosion resistance, salt resistance and other environments all have finished products. for selection.
13. Because the main quality of the connector is internal, the special internal line is not seen by the naked eye, so you must remember to look at the brand and appearance when purchasing, it is best to ask for warranty.

The production process application of the connector connection plug -in is becoming more and more professional. It has more scientific and technological elements. It will also be more suitable for the market for diversified and humane research and development, and meet more environmental standards.

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