In today’s rapidly developing maritime industry, the performance of ship propellers is crucial to the navigation of the entire vessel, with one key component – the slip ring – directly affecting the ship’s efficiency and safety. Ship propeller slip rings typically consist of two main parts: the stator and the rotor. On the relative motion surfaces of the rotor and stator, multiple conductive rings and brushes are distributed. These conductive rings are made of wear-resistant and highly conductive materials such as copper alloys, ensuring stable current transmission over extended periods. The brushes, made from carbon graphite or other materials with good elasticity and conductivity, make continuous electrical contact with the conductive rings during rotor rotation. As the ship's propeller operates, electrical current flows from the fixed power source through the slip ring to the propeller motor or other components requiring power, facilitated by the sliding contact between the brushes and conductive rings. Additionally, the slip ring allows signal transmission, such as speed or temperature sensor signals.
For example, the newly launched LPA000-03300-01PE-06S slip ring by JINPAT offers an IP65 protection rating. This slip ring features a single waterproof connector design to enhance its water resistance, ensuring each connection point effectively prevents moisture infiltration, thus extending the equipment's lifespan and improving overall system stability.
In terms of structural design, the LPA000-03300-01PE-06S features a unique compression structure that reduces its thickness to just 290mm. While this is not the smallest possible size, it is significantly smaller compared to uncompressed slip rings. This design not only reduces the device's size and weight but also lowers installation complexity and costs, offering a more compact and efficient solution for ship propulsion systems. In the limited space of a ship, this compact design undoubtedly creates more possibilities for the arrangement of other critical equipment and the overall optimization of the ship's performance.
Regarding operational performance, this slip ring supports a working voltage of 440V, meeting the power requirements of most ship propulsion systems. Its housing is made from high-strength aluminum alloy, providing excellent corrosion resistance and lightweight characteristics. The contact points are made from precious metals, ensuring good conductivity and wear resistance, which effectively reduces signal transmission losses and failure rates.
Furthermore, the LPA000-03300-01PE-06S integrates six signal channels and one grounding channel. This design not only meets the complex signal transmission needs of ship propulsion systems but also provides strong support for system upgrades in terms of intelligence and automation. It can also be customized to integrate various other signal types, such as HDMI, USB2.0/USB3.0, and more. Additionally, the slip ring operates within a broad temperature range, from -20°C to +60°C, ensuring stable operation in extreme environments, which guarantees continuous sailing capability under various weather conditions. For regions with extreme cold, the slip ring can be customized to meet even broader temperature adaptation needs.