Single-phase immersion liquid cooling unit

By employing a dual cooling mechanism and flow control in a single-phase immersion liquid cooling device, the problem of low efficiency in traditional air cooling systems is solved, achieving efficient and energy-saving cooling, extending equipment life, and reducing maintenance costs.

CN224521398UActive Publication Date: 2026-07-17INDUSTRIAL AND COMMERCIAL BANK OF CHINA
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
INDUSTRIAL AND COMMERCIAL BANK OF CHINA
Filing Date
2025-06-12
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Traditional air cooling systems are inefficient in cooling high-power-density equipment, have low energy conversion rates, and occupy space, limiting the compactness and integration of the equipment.

Method used

A single-phase immersion liquid cooling device is adopted, including a first liquid cooling tank and a second liquid cooling tank. It uses coolants with different thermal conductivity for dual cooling. It is connected to the heat exchanger through input and output pipes to form a continuous cooling cycle, which increases the heat exchange area and optimizes heat exchange through heat pipes. Combined with liquid level monitoring and flow control, the system stability and efficiency are ensured.

Benefits of technology

It improves the overall efficiency of the cooling system, extends the service life of the equipment, reduces cooling and maintenance costs, and ensures the stable operation and security of the server.

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Abstract

This utility model discloses a single-phase immersion liquid cooling device, relating to the field of equipment maintenance and applicable to the financial technology field. It comprises: a first liquid cooling tank for holding the equipment to be cooled and a first coolant; a second liquid cooling tank for holding the first liquid cooling tank and a second coolant; an input pipe, with one end connected to the second liquid cooling tank and the other end connected to a heat exchanger, for inputting the second coolant into the second liquid cooling tank; an output pipe, with one end connected to the second liquid cooling tank and the other end connected to the heat exchanger, for outputting the second coolant into the second liquid cooling tank; and a heat exchanger, connected to the second ends of the input and output pipes, for cooling the second coolant output from the output pipe and then inputting the cooled second coolant back into the second liquid cooling tank through the input pipe. This utility model solves the problem of low energy conversion efficiency in related technologies where air-cooled equipment is used for cooling.
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