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Everyone wants to know what provides the core power for the water dispenser? The answer is here

Published:2021-06-18

Everyone is quite familiar with drinking fountains, and they are often used in daily life, but do you know why the water comes out? Some effluent pressure is very high, some are very small? You may not be able to answer these. Let me introduce a new friend to you. It often serves you, but you don't know its name. It is called a DC pump or a water dispenser pump.


First of all, let me introduce to you the classification of water dispenser pumps:

1. Brush DC hot water circulating pump.

2. Brushless DC hot water circulating pump (motor type)

3. Brushless DC hot water circulating pump (magnetic drive isolated type)


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Most drinking fountains use the third type, also called brushless DC water pump. The following editor will focus on the third type of water pump.


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. The bushing is integrated with the magnet by injection molding to avoid abrasion, so the brushless DC magnetic force greatly improves the service life of the pump. The stator part and the rotor part of the magnetically isolated water pump are completely isolated. Both the stator and the circuit board are sealed with epoxy resin and are 100% waterproof. The rotor is made of permanent magnets. The pump body is made of environmentally friendly materials. It has low noise, small size and good performance. stable. Various required parameters can be adjusted by winding the stator, and it can operate under a wider voltage. 


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Secondly, I will introduce the advantages of DC pumps:


Advantage 1: Long life

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. The bushing is integrated with the magnet by injection molding to avoid abrasion, so the brushless DC magnetic force greatly improves the service life of the pump. It has a service life of up to 10 years, no maintenance, small size and high efficiency, and low power consumption.


Advantage 2: Low noise

The pump shaft adopts high-performance ceramic shaft with high precision and good impact resistance. Because the pump uses the precise matching of ceramic bushing and ceramic shaft, the noise is less than 35 decibels, and the power can reach about 25 decibels with a smaller power, which is almost ultra-quiet.


Advantage 3: Completely waterproof

The stator and circuit board of the motor are sealed with epoxy resin and completely isolated from the rotor, which solves the problem of water leakage caused by the long-term diving of the motor-type DC water pump. It can be installed underwater and is completely waterproof.


Advantage 4: Various parameters

The DC water pump can be used to make various parameters at the same voltage. For example, a 24V pump can be manufactured with a head of 2 meters or a head of 7 meters. The pump can be operated at a wide voltage. For example, a 24V pump can work below 24V.


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