Work-class Underwater Thruster

Deep water operations (>1500m) should adopt an external drive scheme to ensure the convenience of underwater thruster maintenance and the stability of long-term operation

• HELI integrates multiple protection mechanisms for the driver, including over temperature, over-current protection, and power isolation, combined with slope linear optimization of control signals, enabling the thruster to efficiently achieve direction switching and improve dynamic response capability. Supporting users to reset the protection function through program commands.
• This work-class underwater thruster has good voltage adaptability and can operate stably within a voltage fluctuation range of ± 15%.
• Long lifespan, low noise (3000 hours of continuous running).
• The principle of magnetic coupling drive, the design feature is the one that magnet array fitted inside the propeller hub is driven by the one attached inside the housing of the thruster, this innovative structure not only completely eliminates the risk of seal leakage, but also has a unique overload protection function - when the propeller encounters entanglement, the system will automatically generate a ratchet effect to cut off power transmission, effectively avoiding damage to the motor core components caused by a surge in current.
• We design and produce high power density DC brushless motor, relatively large thrust within a limited volume. 
• The capacitors have already been added internally, effectively reducing BEMF.
• Client can choose between open-loop or closed-loop speed, and closed-loop speed is more conducive to achieving high consistency among multiple products

 

Large depth, high efficiency, high reliability, the underwater thruster commonly used for work-class ROVs.

As a power system, it can be used as main push, horizontal push and vertical push. In addition to ROV, it can also be applied to other devices, for example UUV, ARV, floating platform on water, diving suit and so on.

 

HELI has a complete industrial chain from the design and production of core components to the assembly of complete underwater thrusters. We have gathered an experienced professional team dedicated to the innovation and application of advanced technologies such as magnetic coupling drives and high-power density DC brushless motors, ensuring that products have intelligent features such as anti-locked and overload protection while being efficiently promoted.

In the production process, HELI adopts a combination of hand-made precision manufacturing and automated intelligent manufacturing, equipped with dozens of high-end intelligent production equipment, which not only ensures the fine processing of key processes, but also achieves the quality stability of large-scale production. This fusion mode of "craftsmanship spirit+intelligent manufacturing" enables HELI to continuously provide customers with high-performance, safe and reliable underwater power solutions... Read More

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