Integrated system for refrigerant charging of liquid cooling unit and control method of integrated system

By integrating systems and using automated control methods, the problems of equipment dispersion and manual dependence in the refrigerant charging process of liquid chiller units have been solved, achieving efficient and low-cost refrigerant charging, which is suitable for flexible production of multiple varieties.

CN121782789AActive Publication Date: 2026-04-03DONGGUAN GUI XIANG INSULATION MATERIAL CO LTD
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Patent Information

Application Number
CN202511991256.8
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-12-26
Publication Date
2026-04-03
Estimated Expiration
2045-12-26

AI Technical Summary

Technical Problem

Traditional liquid cooling units have a decentralized and inefficient refrigerant charging process that relies on manual intervention. Furthermore, the use of inert gas for system pressure maintenance is costly or time-consuming, resulting in low production efficiency and unstable quality.

Method used

Design an integrated system comprising a control module, a vacuuming module, a helium filling module, a helium recovery module, a refrigerant injection module, and a robotic arm module. The system achieves full-process automation through a unified control module, with the helium recovery module and the refrigerant injection module working in parallel, and the robotic arm module improving the accuracy of pipeline connections.

Benefits of technology

It significantly shortens the filling cycle, improves production efficiency, reduces material costs, reduces human error, enhances filling quality and automation level, and adapts to the needs of flexible production lines with multiple varieties and small batches.

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Abstract

The invention relates to the technical field of liquid cooling, and discloses an integrated system for refrigerant filling of a liquid cooling unit and a control method thereof.The integrated system comprises a control module, a vacuumizing module, a helium filling module, a helium recycling module, a refrigerant filling module and a mechanical arm module, and an integrated system refrigerant pipeline is arranged in the mechanical arm module; the vacuumizing module is used for vacuumizing a refrigerant pipeline of the liquid cooling unit based on the control instruction; the helium filling module is used for filling helium into a refrigerant pipeline of the liquid cooling unit based on the control instruction; the helium recovery module is used for recovering and purifying helium in a refrigerant pipeline of the liquid cooling unit based on the control instruction; the refrigerant injection module is used for injecting a refrigerant into a refrigerant pipeline of the liquid cooling unit based on the control instruction; the mechanical arm module is used for controlling connection and disconnection between the second end of the integrated system refrigerant pipeline and the liquid cooling unit refrigerant pipeline based on the control instruction. The system is high in integration level, the process period can be shortened, helium with high cost is recycled, and the cost and energy consumption are remarkably reduced.
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