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Application range of micro submersible pump

Sources:Dongguan Shenpeng Electronics Co., Ltd  Release date: 2021-06-17  Browsing:

Definition of micro submersible pump:

-The micro submersible pump is a type of water pump. Solve the problem of water leakage caused by the motor-type DC water pump during long-term diving. It can be installed underwater and is completely waterproof.


The classification of micro submersible pumps:

1. AC miniature water pump

 -The commutation of the AC water pump is changed by the frequency change of the mains power at 50HZ. The rotation speed is very low, and there are no electronic components inside the AC water pump that can withstand high temperatures. The volume and power of the same head AC pump is 5-10 times that of the DC brushless pump.

 -Advantages: It is cheaper and there are many manufacturers.


2. Brushed DC water pump

 -When the water pump is working, the coil and commutator rotate, the electromagnetic steel and carbon brush do not rotate. The alternating current direction of the coil is completed by the commutator and brush as the motor rotates. As long as the motor rotates, the carbon brush will wear out. When the water pump is running to a certain extent, the wear gap of the carbon brushes will become larger, and the sound will increase accordingly. After hundreds of hours of continuous operation, the carbon brushes cannot play the role of commutation.

 -Advantages: low price.


3. Brushless DC water pump (motor type)

 -The motor-type brushless DC water pump is composed of a brushless DC motor and an impeller. The shaft of the motor is connected to the impeller. There is a gap between the stator and the rotor of the water pump. When water is used for a long time, the water will seep into the motor and increase the possibility of motor burnout.

 -Advantages: Brushless DC motors have been standardized, and there are a large number of professional manufacturers, their cost is relatively low, and the efficiency is high.


4. Brushless DC water pump (magnetic drive isolated type)

 -The brushless DC water pump uses electronic components for commutation, without carbon brush commutation, and uses high-performance wear-resistant ceramic shafts and ceramic bushings. These bushings are integrated with magnets through injection molding to avoid wear, so the brushless DC magnet greatly increases the service life of the pump.

 -Advantages: long life, low noise 35dB, can be used for hot water circulation. The stator and circuit board of the motor are sealed with epoxy resin and are completely isolated from the rotor. They can be installed underwater and are completely waterproof. The shaft of the pump is made of high-performance ceramic shaft with high precision and good impact resistance.


 The product application range of micro submersible pumps:

 -Products can be used in computer water cooling systems, solar fountains, desktop fountains, handicrafts, coffee machines, drinking fountains, tea sets, wine pourers, soilless culture, showers, tooth cleaners, water heaters, plumbing mattresses, hot water circulation, swimming pools Water circulation filtration, foot bath surfing massage basin, surfing massage bathtub, car cooling circulation system, fuel dispenser, humidifier, air conditioner, washing machine, medical equipment, cooling system, bathroom supplies, etc.


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