What are the processing methods of connector pins?
The pin structure of the connector is designed based on the static or low-speed environment of the connector, so the position of the pin structure of the connector is fixed during connection, while the running speed of the motor car or subway is very high, so the vibration is also very large. The pin structure of the connector designed to adapt to the static or low-speed environment cannot adapt to the high-speed environment, when the EMU or subway is running at high speed, the radial and axial displacement deviation occurs at the connection of the connector, which is easy to cause poor contact of the connector.
The connector pins include:
1. There is no groove outside the housing of the movable contact, and a sealing ring is assembled in the groove. Such arrangement enables the movable contact part to be well positioned at a required installation position. The top of the moving contact is a spherical combination, which makes it possible to ensure good contact when there is non-coaxial contact between the moving contact part and the fixed contact part.
2. The top of the fixed contact is provided with a grid structure, which makes the surface of the fixed contact have a higher roughness, increases the friction force of the contact surface, and makes the connection between the two parts more stable.
3. The connection card is connected through the positioning part of the contact pin, and this setting makes the limiting device of the connection card and the contact pin be integrated, so that the limiting is more reliable and the installation is more convenient.
4. The spring is in a compressed state when the moving contact part and the fixed contact part are not in contact. This arrangement enables the moving contact to have a reliable pressing force so that there is no gap, so that as long as the moving contact part is in contact with the fixed contact part, conduction and signal transmission can be realized. Adapt to high-speed operation and vibration conditions, and the connector has a multi-position adaptation settings, in different positions can maintain stable contact.
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