Model Interpretation:
LS: DC/Miniature.
S/B/N: Usually represents variations in Plastic, Standard, or Nano.
P: Plastic/Fountain.
Core Form: Miniature single-stage or multi-stage DC brushed submersible pump.
Core Difference: Brushed motor + plastic/ceramic shaft. This is the biggest difference from brushless submersible pumps.
Core Working Principle: Simple submersible flow + brushed motor drive.
The working logic of the LSSP/LSBP/LSNP series is "simple structure, start and stop with sunlight":
Fully Submersible Operation: The pump body is completely immersed in water, using water pressure to assist in water intake, completely solving the "suction head limitation" problem of traditional surface pumps.
Brushed Motor Drive: Uses carbon brushes and a commutator to maintain motor rotation. The structure is extremely simple and can be directly connected to a solar panel without a complex electronic controller.
Direct Drive Characteristics: When the sunlight is strong, the pump rotates faster and the pressure is higher; when the sunlight is weak, the pump rotates slower or even stops. This characteristic is very suitable for simple water lifting or fountain applications.
Core Features: Low price, compact size, corrosion resistance
Feature Detailed Description
Ultimate Cost-Effectiveness: Core advantage. This is one of the cheapest types of submersible pumps on the market. It is the lowest barrier to entry into the field of solar submersible pumps.
Compact Size and Lightweight: Usually only the size of a finger or palm, extremely lightweight, and can be easily placed in buckets, shallow wells, or fish tanks.
Never Rusts: The pump body is usually made of engineering plastic (such as PPO, ABS) or epoxy resin encapsulation, completely corrosion-resistant, suitable for various water qualities.
Low Power Start: Requires extremely low starting current, and can be driven by low-power solar panels (such as 5W-50W), which is very suitable for miniature applications.
Typical Application Scenarios
The LSSP/LSBP/LSNP series is ideal for miniature landscapes, home gardening, and simple water lifting:
Solar Fountain/Landscape:
Used for small water features and fountains in courtyards and balconies, automatically adjusting the spray height according to the intensity of sunlight.
Simple Well Water Extraction:
Used to extract domestic water or watering water from shallow wells, cisterns, or deep water buckets. Aquarium/Fish Pond Circulation:
Used for water circulation, filtration, and oxygenation in small ornamental fish ponds.
Micro-irrigation:
Used for drip or spray irrigation systems for a few potted plants or small bonsai.
Selection and Usage Recommendations
Lifespan Limitations (Critical):
Carbon Brush Wear: The biggest disadvantage of brushed motors is carbon brush wear. After several hundred hours of continuous operation, the gap due to carbon brush wear increases, leading to increased noise and even failure to commutate and stop.
Recommendation: Only use for intermittent operation or non-critical applications. If 24-hour continuous operation is required for agricultural irrigation, be sure to choose a brushless series (such as LSQDX).
Strictly Prohibit Dry Running:
Brushed motors have relatively weak heat dissipation capabilities, and carbon brush friction generates heat. Absolutely do not allow the pump to run without water, otherwise, the motor will quickly burn out.
Anti-winding:
Due to its small size, the motor has a limited heat dissipation area. It is recommended not to pump sewage containing a large amount of long fibers (such as aquatic plants, hair) to avoid winding the impeller and causing overheating.
Head Limitation:
This series usually has a low head (generally not exceeding 10-20 meters) and is not suitable for deep well operation.
The LSSP/LSBP/LSNP series are "disposable/short-term use tools" among solar submersible pumps. They achieve a low price and simple structure by using a brushed motor. If you only need a small pump that "can pump water when thrown into the water," and the usage frequency is low and the budget is limited, then this series is the best choice. However, if you pursue long lifespan and maintenance-free operation, please upgrade to the brushless motor series (such as LSQDX).
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