Cooling water device and data machine room

Abstract

This invention discloses a cooling water device and a data center. The cooling water device includes an internal circulation pipeline and a medium delivery pipeline. The internal circulation pipeline and the medium delivery pipeline exchange heat in a heat exchanger to cool the first cooling medium in the medium delivery pipeline. The medium delivery pipeline includes a medium storage tank connected to the heat exchanger and a delivery pump connected to the medium storage tank. The upper part of the medium storage tank contains compressible gas, and the lower part stores the first cooling medium. The medium storage tank is connected to a replenishment branch for replenishing the first cooling medium into the medium storage tank, and a diaphragm pump is installed on the replenishment branch. When the diaphragm pump operates, it generates pressure pulses that act on the medium storage tank to stabilize the pressure in the area where the medium storage tank connects to the delivery pump. This invention achieves pressure buffering, pulse pressure stabilization, and medium replenishment functions through the synergistic action of the compressible gas in the medium storage tank and the diaphragm pump, eliminating the need for additional pressure stabilizing tanks, accumulators, or other dedicated pressure stabilizing components, thus simplifying the device's piping structure.

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