927884-2 High Performance Auto Audio Adapter HID LED Wiring Connector Terminal

2 The design method of line beam connection

The commonly used methods of car wire beam contacts include short circuit breakers, ultrasonic welding (high -frequency welding), U -type card terminal pressure connection, tin point welding, etc. The use of ultrasonic welding (high -frequency welding) will be the direction of the future development of my country's wire beam manufacturing process, and other methods will gradually reduce or be replaced.

1) Short circuita replacement

It is replaced by an interpretation in the form of a plug. After the wire plug is inserted in FIG. 2, the connection of the beam circuit is connected by the short -circuited chip in the plug -in cover. The advantage of this method is that it is convenient for maintenance, but the interpretation of the terminal is needed, the cost is high, and it is easy to bold the wire beam. Therefore, there are only a few parts of the cable beams of a small number of models to use this method.

2) Ultrasonic welding is a common access method in the world, as shown in Figure 3. Use frequency regulatory vibration to be transmitted to two metal surfaces that need to be welded. In the case of pressurizing, the two metal surfaces are rubbed in the solid state to form a fusion between molecular layers, thereby achieving the welding effect. The advantage of this method is that it is not necessary to use welded, high efficiency, good conductivity, environmental protection and safety. It is a trend of domestic development in the future. The disadvantage is that the welding equipment is high and the maintenance costs are high.

3) The U -type card terminal pressure connection is a way to use more in China now, as shown in Figure 4. Through the uniform physical squeezing between the U -type terminal and the copper wire of the wire, the connection between the wire and the terminal is used to achieve the surface friction between the adjacent copper wire. The advantage of this method is that it is convenient to operate, high efficiency, good conductive performance, voltage connection equipment and U -type card terminals are relatively cheaper. Insufficient is the need for pressure connection materials compared to high -frequency welding.

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