Natural cold source dew point temperature cold storage system for data center

By using a natural cold source dew point temperature cold storage system, which utilizes air and water as working fluids, and combining a cold water evaporative cooling device and a finned tube heat exchanger, the environmental protection and low energy efficiency problems of existing cooling systems are solved, achieving high-efficiency and low-energy data center cooling.

CN224022096UActive Publication Date: 2026-03-20SHANDONG GERIDE ARTIFICIAL ENVIRONMENT IND DESIGN & RES INST CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-01
Publication Date
2026-03-20

AI Technical Summary

Technical Problem

Existing data center cooling systems use synthetic working fluids, which are not environmentally friendly, have low energy efficiency, require large equipment investments, and cannot make full use of the temperature difference between day and night, resulting in high energy consumption and potential equipment damage.

Method used

A natural cold source dew point temperature cold storage system is adopted, which uses air and water as working fluids. It combines a cold water evaporative cooling device and a finned tube heat exchanger to store cold through the day-night temperature difference, providing cold water at a temperature close to the required temperature and using evaporative heat dissipation to cool down.

Benefits of technology

It achieves environmentally friendly and efficient cooling, reduces equipment energy consumption and investment, makes full use of the day-night temperature difference, provides chilled water temperature closer to the required temperature, and avoids equipment damage.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a natural cold source dew point temperature cold storage system for a data center. A cooling fan is arranged in cooperation with a cold water evaporation cooling device. The cold water evaporation cooling device is further provided with a finned tube heat exchanger in a matched mode, a cooling water distribution groove is formed in the top of the cold water evaporation cooling device, and a cooling water storage groove is formed in the bottom of the cold water evaporation cooling device. The cooling water distribution tank, the cooling water storage tank, the cold storage water tank and the circulating pump are circularly connected into a loop through a cold water circulating pipeline; through the arrangement, a natural cold source is adopted, and air and water are adopted as working media, so that environmental protection is achieved; a dew-point temperature cold storage system is adopted, and the cold water temperature is closer to the requirement of a data center for cold water; the system is additionally provided with the cold storage water tank, day and night temperature difference can be fully utilized, cold water with lower temperature can be stored, and system load can be adjusted.
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Description

TECHNICAL FIELD

[0001] The utility model relates to cooling system technical field especially relates to a natural cold source dew point temperature cold storage system for data center. BACKGROUND

[0002] It is known that a large amount of heat is generated when electronic components in a data center cabinet are working, and if the heat is not discharged in time, the temperature of the components will be too high, and eventually the components cannot work normally. At present, the cold source of the cooling system of the data center mostly uses a refrigerating unit, and after cold water is prepared in the operation process of the refrigerating unit, the cold water is sent into the terminal device of the data center through a delivery and distribution system, the cold water after absorbing heat returns to the refrigerating unit again, and after releasing heat, the cold water enters the terminal device of the data center at a lower temperature point again to be cooled, so as to realize cyclic use.

[0003] The common data center cooling method at present is summarized as follows: the temperature in the data center is led out through a medium by the operation of a refrigeration device, and finally the cooling effect is realized, but the following technical defects exist in the operation process:

[0004] 1. The refrigerating unit uses artificial synthetic working medium, which is not a natural working medium, and the operation process is not environmentally friendly.

[0005] 2. The temperature deviation of the cold water prepared by the conventional refrigerating unit and the required cold water of the data center is large, and an intermediate plate needs to be added, otherwise the internal devices of the data center will be damaged or even the data unit will be destroyed.

[0006] 3. The system operation uses device driving, and the energy efficiency is low and the energy consumption is large.

[0007] 4. The system is usually designed according to the adverse working condition in summer, and this design cannot fully utilize the temperature difference between day and night in summer, the initial investment is large, and the operation cost is high.

[0008] Based on this situation, there is an urgent need in the prior art to develop a data center cooling system which can meet the parameter requirements, save costs, be convenient to use and low in energy consumption. UTILITY MODEL CONTENT

[0009] In order to overcome the defects of the prior art, the utility model provides a natural cold source dew point temperature cold storage system for a data center, which uses a novel structure design, adopts a natural cold source dew point temperature cooling system, prepares cold water tending to the environmental dew point temperature, and utilizes the temperature difference between day and night, stores cold at night, and adjusts the cooling load during the day to realize the cooling of the data center.

[0010] The technical scheme adopted by the utility model to solve the technical problems is:

[0011] The utility model provides a kind of natural cold source dew point temperature cold storage system for data center, including cold water evaporative cooler, cooling fan is arranged with cold water evaporative cooler;The cold water evaporative cooler is also equipped with finned tube heat exchanger;Cooling water distribution tank is arranged on the top of the cold water evaporative cooler, and cooling water storage tank is arranged on the bottom of the cold water evaporative cooler;Cooling water distribution tank, cooling water storage tank, cold storage pool and circulating pump are connected into a loop by cold water circulating pipeline.

[0012] Cooling water evaporative cooler is connected to the finned tube heat exchanger, and water collecting tank is arranged at the bottom of the cooling water evaporative cooler and equipped with cooling water delivery pump.

[0013] The cold storage pool is connected to external data center.

[0014] The cold water evaporative cooler is multiple and arranged around the cooling fan, and the cooling fan is arranged on the top of the cold water evaporative cooler.

[0015] Second water distribution tank is arranged above the cooling water evaporative cooler, and spray device is arranged in the second water distribution tank.

[0016] The utility model has the beneficial effects as follows: the cooling fan is arranged with the cold water evaporative cooler; the finned tube heat exchanger is equipped with the cold water evaporative cooler; the cooling water distribution tank is arranged on the top of the cold water evaporative cooler, and the cooling water storage tank is arranged on the bottom of the cold water evaporative cooler; the cooling water distribution tank, the cooling water storage tank, the cold storage pool and the circulating pump are connected into a loop by the cold water circulating pipeline; natural cold source is used, and air and water are used as working medium, which is more environmentally friendly; the dew point temperature cold storage system is used, and the temperature of cold water is closer to the demand of data center; the cold storage pool is added to the system, and the temperature of cold water can be adjusted according to the temperature difference between day and night, so that the load of the system can be adjusted.

[0017] The cooling water evaporative cooler is further arranged, which can further realize heat exchange in the finned tube heat exchanger, effectively reduce the temperature in the finned tube heat exchanger, make air flowing through the finned tube heat exchanger exchange heat, make the ambient air and other air reduce temperature, and the air flows into the cold water evaporative cooler to improve the cooling effect. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1The utility model discloses a connection structure schematic view.

[0019] 1, cooling fan, 2, cooling water distribution groove, 3, finned tube heat exchanger, 4, cold water evaporative cooling device, 5, cold water storage tank, 6, secondary water distribution groove, 7, cooling water evaporative cooling device, 8, water collecting tank, 9, cooling water delivery pump, 10, cooling water delivery pipeline, 11, circulating pump, 12, cold water storage pool, 13, cold water circulation pipeline, 14, external water pump 15, data center, 16, cooling pipeline. DETAILED DESCRIPTION

[0020] The following specific embodiments are used to explain the utility model in detail, and the person skilled in the art can easily understand other advantages and effects of the utility model from the disclosed content of the specification;But it should be pointed out that the following specific embodiments do not technically limit the technical scheme, and the person skilled in the art can further extend the technology under the guidance of the following technical scheme. The protection scope of the patent application is subject to the claims.

[0021] Embodiment 1: a natural cold source dew point temperature cold storage system for data center, as shown in the figure, it includes a support frame, the cold water evaporative cooling device 4 is fixed on the frame, and the cooling fan 1 is arranged in cooperation with the cold water evaporative cooling device 4;In the embodiment, the cold water evaporative cooling device 4 is multiple and arranged around the cooling fan 1, and the cooling fan 1 is arranged at the top of the cold water evaporative cooling device 4.

[0022] The finned tube heat exchanger 3 is also matched and arranged on the cold water evaporative cooling device 4, the cooling water distribution groove 2 is arranged at the top of the cold water evaporative cooling device 4, and the cooling water storage tank 5 is arranged at the bottom of the cold water evaporative cooling device 4;In the embodiment, the finned tube heat exchanger 3 is arranged in cooperation with the cold water evaporative cooling device 4 and is multiple;The cooling water distribution groove 2, the cooling water storage tank 5, the cold water storage pool 12 and the circulating pump 11 are circularly connected into a loop through the cold water circulation pipeline 13. The cooling water distribution groove 2 is used to uniformly distribute the cooled cold water on the cold water evaporative cooling device 4. When the above device works, through the air cooling mode, the cooling water in the finned tube heat exchanger 3 exchanges heat with the air flow through the fin, so that the environment air is cooled and humidified, the wet bulb temperature of the air is reduced, and low temperature conditions can be provided for the air flowing into the cold water evaporative cooling device 4 again.

[0023] The above structure reduces the high-temperature cold water flowing back to the required temperature of the data center 15 through the evaporation heat dissipation mode, because the air flowing through the cold water evaporative cooling device 4 is cooled and humidified through the finned tube heat exchanger 3, the wet bulb temperature is lower than the wet bulb temperature of the environment air, and the cold water with a temperature lower than the wet bulb temperature of the environment can be prepared.

[0024] The utility model discloses still be stacked and surround to set a plurality of cooling water evaporation cooling device 7 below cooling water evaporation cooling device 4. The finned tube heat exchanger 3 bottom is provided with cooling water evaporation cooling device 7 through pipeline connection, and cooling water evaporation cooling device 7 bottom is provided with water collecting tank 8 and is equipped with cooling water delivery water pump 9, and in the embodiment, a plurality of cooling water evaporation cooling device 7 surrounds cooling water evaporation cooling device 4 below and shares cooling fan 1 with cooling water evaporation cooling device 4, and cooling fan 1 runs simultaneously and cools cooling water evaporation cooling device 4, cooling water evaporation cooling device 7. The cooling water evaporation cooling device 7 above is cooled to low-temperature cooling water in finned tube heat exchanger 3 through the evaporation heat dissipation mode, and then the low-temperature cooling water is delivered to finned tube heat exchanger 3, and the airflow is cooled by finned tube heat exchanger 3.

[0025] The utility model discloses still be provided with two stage water distribution tank 6 above cooling water evaporation cooling device 7, two stage water distribution tank 6 inside be provided with sprinkler, and the water of temperature rise in finned tube heat exchanger 3 is sprayed to cooling water evaporation cooling device 7 and is cooled down through sprinkler.

[0026] The utility model discloses through above-mentioned setting, it adopts natural cold source, and working medium adopts air and water and is more environmental protection, adopts dew point temperature cold storage system, and the temperature of cold water is closer to the demand of data center to cold water, and system increases cold storage pond, can fully utilize diel temperature difference, and the cold water of temperature regulation and storage is lower, and the load of adjusting system.

[0027] The utility model discloses still be equipped with cooling water evaporation cooling device, can further realize the heat exchange to the finned tube heat exchanger inside, effectively reduce the temperature in finned tube heat exchanger, make the air heat exchange of flowing through the pipe finned tube heat exchanger, make the air of environment dew point temperature reduction, and the air flows into cooling water evaporation cooling device and improves the cooling effect.

Claims

1. A natural cold source dew point temperature cold storage system for data centers, characterized in that: It includes a cold water evaporative cooling device and a cooling fan; the cold water evaporative cooling device is also equipped with a finned tube heat exchanger, a cooling water distribution tank is provided at the top of the cold water evaporative cooling device, and a cooling water storage tank is provided at the bottom of the cold water evaporative cooling device; the cooling water distribution tank, the cooling water storage tank, the cold water storage tank, and the circulating pump are connected in a loop through a cold water circulation pipe. The finned tube heat exchanger is connected to a cooling water evaporation cooling device. The bottom of the cooling water evaporation cooling device is equipped with a water collection tank and a cooling water delivery pump. A fan is provided in conjunction with the cooling water evaporation cooling device or a cooling fan is shared with the cooling water evaporation cooling device. The aforementioned cold water storage tank is connected to an external data center.

2. The natural cold source dew point temperature cold storage system for data centers as described in claim 1, characterized in that: The aforementioned cold water evaporative cooling device consists of multiple units arranged around a cooling fan, with the cooling fan positioned on top of the cold water evaporative cooling device; the finned tube heat exchanger is configured in conjunction with the cold water evaporative cooling device; and several cooling water evaporative cooling devices are stacked and arranged around the multiple cold water evaporative cooling devices below them.

3. A natural cold source dew point temperature cold storage system for data centers as described in claim 1, characterized in that: The cooling water evaporation cooling device is equipped with a secondary water distribution tank above it, and a spraying device is installed inside the secondary water distribution tank. The spraying device sprays water from the finned tube heat exchanger onto the cooling water evaporation cooling device.