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The pump in the DC charging pile cooling system: the heart of cooling

With the increasing demand for fast charging of electric vehicles today, the heat dissipation problem of DC charging pile has become a technical challenge. The heat generated by the charging module at high load needs to be taken away quickly to ensure charging efficiency and device safety. At this time, the role of the pump is particularly important.

Main component

Concept:

The pump is the core component of the DC charging pile cooling system, which is responsible for promoting the circulation of the coolant in the liquid cooling system, transferring the heat generated by the charging module to the radiator, and eventually dissipating the heat to the environment. The design and performance of the pump directly affect the efficiency and stability of the entire cooling system .

Function:

The main role of the pump is to ensure that the coolant is evenly distributed in the liquid cooling system, providing continuous cooling for the charging module. In a DC charging pile, multiple DC:DC or AC:DC modules are superimposed, and a large flow rate is required to transport coolant to each module for uniform heat dissipation . In addition, the pump can also ensure that the circulating flow rate and pressure are stable, so as to ensure the heat dissipation effect of the charging pile and avoid equipment damage caused by insufficient heat dissipation .

Working Principle:

The working principle of the pump in the DC charging pile cooling system is based on fluid dynamics. The pump is driven by a motor, creating a pressure difference that pushes the coolant to flow in a closed circulation system. When the charging module works to generate heat, the cooling liquid absorbs heat and rises in temperature, and then is pumped to the radiator. In the radiator, the heat is transferred to the flowing air or water, which reduces the coolant temperature and recirculates back to the charging module, forming a continuous cooling cycle .

Sum up

The water pump is an indispensable part of the DC charging pile cooling system, which not only improves the charging efficiency, but also extends the service life of the equipment. With the continuous advancement of electric vehicle charging technology, the design and performance of the pump are also continuously optimized to meet the needs of higher power and more efficient heat dissipation .

DC CHARGING PIlE SERIES

DC charging pile is an efficient charging facility for electric vehicles, which uses direct current (DC) to directly charge the vehicle battery, significantly reducing the charging time. Compared with traditional AC charging piles, DC charging piles are able to provide higher power output and can usually charge an EV to 80% of its capacity in 30 minutes, providing users with a convenient charging experience.

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