一种新型冷板液冷系统
By directly connecting the liquid cooling equipment in the server rack to the cold source system in small and medium-sized computer rooms and edge computing scenarios, a two-stage heat exchange system is formed. Combined with air cooling equipment, the problems of excessive components and low energy efficiency in traditional cold plate liquid cooling systems are solved, achieving efficient heat dissipation and energy saving and emission reduction.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HEBEI QINHUAI DATA CO LTD
- Filing Date
- 2025-06-20
- Publication Date
- 2026-07-17
AI Technical Summary
Traditional cold plate liquid cooling systems have too many components and are complex in small and medium-sized computer rooms and edge computing scenarios. Furthermore, energy efficiency cannot be fully utilized during the multiple heat exchange processes of the refrigerant.
A novel cold plate liquid cooling system is provided, which directly connects the liquid cooling equipment in the server rack to the cold source system through cooling pipes to form a two-stage heat exchange system. Combined with air cooling equipment, multiple heat dissipation is achieved, reducing the application of CDU, improving heat exchange efficiency, and realizing energy saving and emission reduction.
It improves heat dissipation in small and medium-sized data centers and edge computing scenarios, reduces system complexity, enhances energy efficiency, and has the effect of energy saving and emission reduction.
Smart Images
Figure CN224519259U_ABST
Abstract
Claims
1. A novel cold plate liquid cooling system characterized by, include: The cold source system (100), cooling pipes (200), and server rack (300); The cooling pipes (200) connect several server racks (300) to the cold source system (100); The server rack (300) is equipped with a liquid cooling device (320) and a device to be cooled (310). The liquid cooling device (320) includes several heat exchange tubes, and the heat exchange tubes exchange heat with the device to be cooled (310). The cooling pipeline (200) includes a refrigerant supply pipeline (201) and a refrigerant return pipeline (202), and several heat exchange pipe sections are connected to the supply pipeline (201) and the refrigerant return pipeline (202).
2. The novel cold plate liquid cooling system of claim 1, wherein, The server rack (300) is equipped with an air-cooling device (330), which is located adjacent to the device to be cooled (310).
3. The novel cold plate liquid cooling system of claim 2, wherein, The air-cooled device (330) includes a liquid-cooled backplate (331), which is provided with an inlet end and an outlet end. The inlet end is connected to the supply pipeline (201), and the outlet end is connected to the return pipeline (202).
4. The novel cold plate liquid cooling system of claim 3, wherein, The air-cooled device (330) includes a fan (332), and the liquid-cooled backplate (331) is disposed on the side of the air outlet of the fan (332).
5. The novel cold plate liquid cooling system of claim 3, wherein, A control valve (333) is provided on one side of the liquid inlet end of the liquid-cooled backplate (331).
6. The novel cold plate liquid cooling system according to any one of claims 1-4, wherein, The liquid cooling device (320) includes a main liquid supply pipe (321) and a main liquid return pipe (322), and several heat exchange pipe sections are connected in parallel between the main liquid supply pipe (321) and the main liquid return pipe (322).
7. The novel cold plate liquid cooling system of claim 6, wherein, The heat exchange pipe section includes a heat exchange branch pipe (323), on which a chip cold plate (324) is provided, and the chip cold plate (324) is attached to the device to be cooled (310).
8. The novel cold plate liquid cooling system of claim 7, wherein, The chip cold plate (324) is bonded to the device to be cooled (310) with thermally conductive adhesive.
9. The novel cold plate liquid cooling system of claim 6, wherein, The main liquid supply pipe (321) and the main liquid return pipe (322) are connected to the cooling pipe (200) via quick-connect fittings (325).
10. The novel cold plate liquid cooling system according to any one of claims 1-2, wherein, The cold source side system (100) includes a radiator (101) and a pump body (102). The radiator (101) includes a liquid supply end and a liquid return end. The drain port of the radiator (101) is connected to the supply pipeline (201) through the pump body (102), and the inlet of the radiator (101) is connected to the return pipeline (202).
11. The novel cold plate liquid cooling system of claim 1, wherein, The refrigerant in the cold source side system (100) includes pure water.
12. The novel cold plate liquid cooling system of claim 1, wherein, The cooling pipes (200) are made of stainless steel or PVR material.