The conductive slip ring belongs to a kind of connection part with fine and random wiring, and its function is to complete the operation of some equipment and the transmission of power supply and signal of the fixed part. Therefore, the basic arrangement of slip rings also consists of a changing rotor and a fixed stator. The point of contact between the rotor and the stator is maintained by the elastic data of the stator.
The contact between the stator and the rotor usually uses precious metal materials such as gold and silver and some high-performance alloy materials, because the contact data needs to have the characteristics of low resistance, small conflict coefficient and corrosion resistance. If the resistance of the high-power slip ring is too large, when the voltage at both ends is too high, the slip ring may be burned out due to overheating. If the conflict coefficient is too large, the stator and rotor often conflict, industrial slip rings. It wears out quickly and then affects its lifespan.
In the actual use process, some working environments are very harsh and require several years of continuous work, which has high requirements for sliding brush data. Another feature of the conductive slip ring is multi-channel, because it is impossible to transmit a single brush in practice, it is necessary to transmit road signals, and various chaotic power systems, control systems, multiple power supplies, and signals need to be transmitted together. This requires the slip ring to provide a corresponding number of channels. In multi-channel planning, isolation between each channel and shielding between signals are issues that need to be considered, especially for some high-voltage, multi-signal types.
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