Product Specification
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Rated power |
350W |
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Rated voltage |
48VDC |
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Thrust |
12kg thrust forward |
12kg thrust reverse |
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Propeller rotation direction |
CW |
CCW |
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Propeller material |
SS |
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Housing |
AL alloy |
TI alloy |
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Sealing method |
Magnetically coupled |
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Depth rating |
850m |
1500m |
3000m |
6000m |
Full sea depth |
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Signal power |
12VDC(+-5%) built-in |
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Control mode |
Analog voltage (0~+5V forward; 0~-5V reverse) |
CAN BUS |
PPM |
RS485 |
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Feedback mode |
Pulse |
Analog voltage |
CAN BUS |
PPM |
RS485 |
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Temp. |
Storage temp. -40~70℃ |
Service temp. -5~40℃ |
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Drive |
Built-in |
External |
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Dimension
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
Characteristics and Advantages
- We have sufficient R&D and production capabilities to provide customized underwater thruster services to customers
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The drive features over-temperature protection, over-current protection, and power isolation. Control signals undergo ramp linear processing, and the drive supports a voltage fluctuation range of ±15% for stable operation within this interval.
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Boasting a long service life and low noise (supporting 3000 hours of non-stop operation), this thruster adopts magnetic coupling drive technology. Its key design lies in the magnetic arrays-one integrated into the propeller hub, and the other mounted inside the thruster housing-where the latter drives the former. This innovative structure not only fully eliminates the risk of seal leakage but also features an exclusive overload protection function: if the propeller becomes entangled, the system automatically triggers a ratchet effect to disconnect power transmission, thus effectively preventing damage to the motor's core components due to sudden current surges.
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Internally pre-installed capacitors effectively mitigate back electromotive force (BEMF). Customers can opt for either open-loop or closed-loop speed control, with closed-loop speed control being more favorable for ensuring high consistency across multiple units.
Application
Different depth, high efficiency, high reliability, the underwater thruster commonly used for underwater vehicle(Submersible device), for example, ROVs, UUV, AUV.
As a power system, it can be used as main push, horizontal push and vertical push.
At present, we have provided reliable solutions and underwater thruster products for various projects of many clients, for example Australia, Portugal, Korea, Singapore, Chile and so on...
HELI's Capability
HELI covers a full industrial chain from core component design/production to underwater thruster assembly. Our experienced team innovates in magnetic coupling drives, high-power-density DC brushless motors, etc., equipping products with anti-lock, overload protection and other intelligent functions for efficient promotion.
In production, HELI combines precision handcraft with automated intelligent manufacturing, supported by dozens of high-end equipment. This ensures refined key process processing and stable large-scale production quality, enabling us to continuously provide customers with high-performance, safe and reliable underwater power solutions...
FAQ
Q: How can we ensure product stability?
A: Starting from the core components: DC brushless motor is handmade by HELI, with high slot filling rate, high precision and good quality. And high power density allows the thruster to provide a relatively large thrust within a limited volume.
Q: What factors affect the thrust output and endurance of the thruster?
A: Core influencing factors include power, operating load (e.g., speed, load weight), water resistance (salinity, flow velocity), and operating mode (continuous/intermittent operation). Parameters should be matched according to actual operational requirements during selection.
Q: What is a work-class underwater thruster?
A: Operation level underwater thruster refers to high-performance propulsion equipment designed specifically for professional underwater operations, with high thrust, high reliability, long endurance, and strong environmental adaptability, which can meet the stringent requirements of industrial, military, scientific research and other fields
Q: How to prevent the thruster from being entangled by foreign objects such as aquatic plants and fishing nets underwater?
A: Come with a built-in overload protection function-power transmission will be automatically cut off when foreign object entanglement occurs. Meanwhile, it is recommended to regularly clean the area around the propellers and inspect for entanglement risks in the operating water area before use.
Q: What is key maintenance points for industrial-grade thrusters?
A: Clean the attachments between the blade and the shell, check the integrity of the seals (to prevent water leakage), test the insulation of the motor, calibrate the control system signal, and perform additional rust prevention treatment in seawater environment.
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