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Analysis of DC micro-pump, micro-vacuum pump power supply with the principle

June 06, 2022
Miniature vacuum pump, miniature pump, miniature pump on the power requirements are mainly two points: (A) miniature vacuum pump power supply must have a micro-vacuum pump, miniature pump, miniature pumps, etc., connected to the power supply, under any load and operating conditions, the power supply The voltage should be stable. With the switching power supply is a better solution. If the power supply is not regulated, the voltage may be high if the pump is not connected, and the supply voltage drops sharply once the pump is connected. Even after connecting the pump voltage is equal to the rated voltage does not work. Because in the course of the work of the pump gas load once there is a change, the pump of the input power demand will change, this time the power supply voltage will fluctuate abnormally, resulting in the pump will be completely disrupted. The voltage divider through the resistor, step-down is not desirable, because the gas (water) road load changes in the pump current will change, resulting in changes in resistance partial pressure. Therefore, the power supply must be regulated. The actual purchase, with the regulator function and without, the price difference is small, it is recommended to buy with a regulator function. Common mistakes for the new common: customers with lamps on the transformer, the result with a fixed micro-pump or micro-pump. (Because the transformers used in transformers are AC transformers, they just turn 220 AC into 12V or 24V AC, and there is no filtering and regulation function of DC switching power supply itself). (B) the power to provide enough power to provide the output current must be greater than the current pump, so as to ensure the pump's energy needs. And buy power, must not choose the price is too cheap switching power supply. Because such power supply in order to attract customers to buy, the parameters are usually virtual, false report, see the following experiment to understand. Failure to meet the above conditions may cause these malfunctions: the pump can not be started, or the pump stops due to a fixed load during operation, or fatigue occurs during work. Common misunderstanding is: 1. With electrical control components (such as manifolds, etc.) directly to the pump power supply; it is prone to such problems. 2. Customers with 12V6A switching power supply to the miniature high-pressure water pump HSP11050-12V power supply (maximum pump current 10.5A, see the table below), the results of pumping will not move; thought it was a pump fault, according to our recommendations Replacement into 12V14A power supply, the problem is solved. 3. Contrast experiment: miniature high-pressure water pump HSP11050-24V, respectively, with our MV24V6A and xLong power 24V6A power supply (the same nominal current, voltage and power), no-load, direct connection to the pump. MV24V6A is very easy to drive the normal work of the pump; x Long power supply light dims, direct current protection, the pump will not stop on the move; and the market is exactly the price of x Power Dragon will be cheaper than our power supply More. New sincerity Note: The load current parameters we give out do not consider the inrush current at pump startup. Therefore, the power supply should also consider supporting the impact of current problems. Equipped with the principle: to provide the best current for the maximum load current of 1.5 times and above.
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Συγγραφέας:

Mr. Bruce Tang

ΗΛΕΚΤΡΟΝΙΚΗ ΔΙΕΥΘΥΝΣΗ:

bruce.tang@macxipump.com

Phone/WhatsApp:

+8613773149257

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Συγγραφέας:

Mr. Bruce Tang

ΗΛΕΚΤΡΟΝΙΚΗ ΔΙΕΥΘΥΝΣΗ:

bruce.tang@macxipump.com

Phone/WhatsApp:

+8613773149257

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