CN111637572A - A well water source for natural cooling of data centers - Google Patents

Abstract

The invention provides a well water source natural cooling data center, which includes a wall, a machine room floor and a cabinet arranged on the machine room floor. There is a cold air area between the wall and the hot air area, and a channel area for sealing and isolating the air area is arranged between the hot air area and the cold air area; the cold air area is provided with a fresh air fan that communicates with the outside world, and the hot air area is provided with exhaust air A channel, a processing facility for cooling air is provided on the underside of the machine room floor; the processing facility includes a water diversion well, a diversion pump, a pipeline assembly, a heat exchanger, a cooling unit, a circulating pump, a return well and a centrifugal fan. The circuit components include water inlet pipes, circulation pipes and return water pipes.

Description

A well water source for natural cooling of data centers

technical field

The invention belongs to the technical field of data center heat dissipation, in particular to a well water source natural cooling data center.

Background technique

A data center is a complete set of complex equipment, including not only computer systems and supporting equipment, but also redundant data communication connection equipment, environmental control equipment, monitoring equipment and various safety devices. The equipment included in the data center will generate a lot of heat during the working process. If the generated heat is not dissipated in time, the equipment included in the data center will fail due to excessive temperature, affecting the normal operation of the data center. To this end, the data center needs to be equipped with a cooling system to maintain the normal operating temperature of the various equipment in the data center.

At present, an air-conditioning system is installed in a computer room of a data center, and the air-conditioning system is used for cooling to dissipate heat from various devices included in the data center. When the data center is cooled by the air-conditioning system, since the compressor included in the air-conditioning system is a high-power consumption device, the air-conditioning system needs to consume a lot of electric energy during the working process, resulting in the power consumption of cooling the data center through the air-conditioning system. higher.

SUMMARY OF THE INVENTION

The invention provides a well water source natural cooling data center, which is used to solve the problem of high heat dissipation energy consumption and achieve the beneficial effects of reducing heat dissipation energy consumption and improving the cooling efficiency of the data center.

The present invention is achieved through the following technical solutions:

A well water source natural cooling data center, comprising a wall, a machine room floor and a cabinet arranged on the machine room floor, the machine room floor is provided with through holes, the inner side of the cabinet is provided with a closed hot air area, and the outer side of the cabinet and the wall are provided. A cold air area is arranged between the hot air area and the cold air area, and a passage area for sealing and isolating the air area is arranged between the hot air area and the cold air area.

The cold air area is provided with a fresh air fan that communicates with the outside world, the hot air area is provided with an exhaust channel, and the cooling air processing facilities are provided on the lower side of the machine room floor; the processing facilities include well water sources, water pump components, pipelines components, heat exchangers, cooling units and centrifugal fans. The well water source is connected to the heat exchangers and cooling units in sequence through the pipeline components. The pipeline components are provided with a water pump component, and a centrifugal fan for drainage is provided on one side of the cooling unit. The fan is located on the lower side of the cold air area.

Further, the well water source includes a diversion well and a return well, the water pump assembly includes a diversion pump and a circulating pump, the pipeline assembly includes a water inlet pipeline, a circulating pipeline and a return water pipeline, and the diversion pipeline The water well, the suction pump and the water inlet end of the heat exchanger are connected through the water inlet pipeline, the heat exchanger is connected with the cooling unit and the circulating pump through the circulating pipeline, and the water outlet end of the heat exchanger and the return well are connected through the return water pipeline.

Further, a server module is arranged inside the cabinet, a small busbar power supply unit is arranged on the top of the cabinet, and a power distribution cabinet and a monitoring cabinet are arranged on one side of the cabinet.

Further, the passage area includes a sliding door and a sealing element, the sliding door is located between the cold air area and the hot air area, and a sealing element is provided on one side of the sliding door.

Further, the cooling unit is a serpentine pipe structure.

Further, the exhaust channel includes an exhaust pipe, an exhaust fan and an exhaust port, the exhaust pipe is located on one side of the hot air area, an exhaust fan is installed on one side of the exhaust pipe, and an exhaust port is provided on the other side.

Further, the exhaust channel is a chimney-type exhaust channel, and a rain cover is provided on the upper part of the exhaust channel.

Further, the cabinets are arranged in two symmetrical groups, and the distribution of the cabinets in the wall is circular.

Further, the pipeline assembly also includes a water inlet branch connected to the water inlet pipeline and a return water branch connected to the return water pipeline, and the water inlet branch and the return water branch circulate through the fresh air fan.

The advantages of the present invention are:

The invention uses the air pressure difference to make the gas flow, and provides a cold source for the cooling unit through the well water source with a lower temperature, and then cools the hot air. , environmental protection and green, make full use of natural cold sources and maximize the use of building space.

The fresh air fan and exhaust passage provided in the present invention ensure that fresh air is obtained in the machine room, and the heat of the electronic equipment is taken away without consuming excessive power, saving energy, and saving equipment investment and operating costs.

The invention uses well water to provide cold source for the fresh air blower and the cooling unit at the same time, the water diversion well supplies water for the heat exchanger and the fresh air blower to cool the gas, and the water heated up by the heat exchange with the fresh air blower and the heat exchanger enters the return water well on the other side , during which only the water pump and fan run, the energy consumption is small, the system energy consumption is greatly reduced, and the PUE of the data center is improved.

Description of drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. In other words, other drawings can also be obtained based on these drawings without creative labor.

1 is a schematic structural diagram of Embodiment 1;

Figure 2 is a schematic diagram of the distribution of hot and cold air areas;

Fig. 3 is the schematic diagram of the gas flow in the first use state of the first embodiment;

Fig. 4 is the schematic diagram of the gas flow in the second embodiment of the first use state;

5 is a schematic structural diagram of Embodiment 2;

6 is a schematic diagram of the gas flow when the second embodiment is used.

In the figure, 1. Wall; 2. Floor of machine room; 3. Cabinet; 4. Hot air area; 5. Cold air area; 6. Channel area; 7. Fresh air fan; 81. Exhaust duct; 82. Exhaust fan; 83 . Air outlet; 84. Rain cover; 9. Water diversion well; 10. Diversion pump; 111. Water inlet pipeline; 112. Circulation pipeline; 113. Water return pipeline; Branch circuit; 12. Heat exchanger; 13. Cooling unit; 14. Circulating pump; 15. Backwater well; 16. Centrifugal fan; 17. Small busbar power supply unit.

Detailed ways

In order to make those skilled in the art better understand the technical solutions of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described The embodiments are only some of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

Example 1

A well water source natural cooling data center, as shown in Figures 1 and 2, includes a wall 1, a computer room floor 2, and a cabinet 3 arranged on the computer room floor 2. The cabinets 3 are arranged in two symmetrical groups, and The distribution of the cabinets 3 in the wall 1 is circular, and this structure can effectively utilize the structure of the building itself; the cabinet 2 is equipped with a server module, and the top of the cabinet 2 is provided with a small busbar power supply unit 17; one side of the cabinet 2 Equipped with power distribution cabinet and monitoring cabinet.

As shown in FIG. 2 , the machine room floor 2 is provided with through holes, so that the gas in the hot air area 4 flows to the cooling unit 13 below the machine room floor 2 for cooling; the inside of the cabinet 3 is provided with a closed hot air area 4, and the cabinet 3 There is a cold air area 5 between the outer side and the wall 1, and a passage area 6 for sealing and isolating the wind area is arranged between the hot air area 4 and the cold air area 5. The passage area 6 serves to seal the hot and cold air area and facilitate personnel to enter and exit Function; the cold air area 5 is a closed area formed by the wall 1, the passage area 6 and the cabinet 3, etc. The passage area 6 includes a sliding door and a seal, and the sliding door is located between the cold air area 5 and the hot air area 4, and its There is a seal on one side to ensure the effect of sealing and isolation.

As shown in FIG. 1 , the cold air area 5 is provided with a fresh air fan 7 that communicates with the outside world, from which outdoor fresh air enters; the hot air area 4 is provided with an exhaust channel, and the exhaust channel includes an exhaust pipe 81 , an exhaust fan 82 and an exhaust port 83, the exhaust duct 81 is located on one side of the hot air area 4, the exhaust fan 82 is installed on one side of the exhaust duct 81, and an exhaust port 83 is opened on the other side, using natural ventilation and mechanical exhaust. The hot air is exhausted according to the principle of wind; the exhaust channel is a chimney-type exhaust channel, and a rain cover 84 is arranged on the upper part thereof.

As shown in FIG. 1 , a cooling air treatment facility is provided on the lower side of the floor 2 of the computer room; the treatment facility includes a well water source, a water pump assembly, a pipeline assembly, a heat exchanger 12 , a cooling unit 13 and a centrifugal fan 16 , the well water source is connected to the heat exchanger 12 and the cooling unit 13 in turn through the pipeline assembly, the pipeline assembly is provided with a water pump assembly, the cooling unit 13 is provided with a centrifugal fan 16 on one side for drainage, and the centrifugal fan 16 is located under the cold air area 5. side.

The well water source includes a diversion well 9 and a return well 15, the water pump assembly includes a diversion pump 10 and a circulating pump 14, and the pipeline assembly includes a water inlet pipeline 111, a circulation pipeline 112 and a return water pipeline 113, The water diversion well 8, the diversion pump 10 and the water inlet end of the heat exchanger 12 are connected through the water inlet pipeline 111, the heat exchanger 12 is connected with the cooling unit 13 and the circulating pump 14 through the circulating pipeline 112, and the water outlet end of the heat exchanger 12 is connected. It is connected with the return water well 15 through the return water pipeline 113 .

As shown in FIG. 3, when the outdoor temperature of the air-conditioning system is lower than 25°C, the fresh air fan 7 and the exhaust fan 82 are turned on, the centrifugal fan 16 is turned off, and the fresh air fan 7 directly sends the gas with a lower external temperature into the cold air area 5, The electronic equipment is cooled, and the gas heated after cooling is exhausted through the top chimney-type exhaust channel and the exhaust port under the action of the exhaust fan 82 .

The air pressure in the cold air area 5 is higher than that in the hot air area 4, so the cooled cold air is cooled through the cabinet 3 through the air pressure difference, or the data center is cooled with fresh air from the outside. Through such a pressure difference between the inside and outside air, the heat is moved, so that the hot air is introduced into the basement through the perforated computer room floor 2 for cooling, thereby reducing the cooling cost of the data center.

As shown in FIG. 4 , when the outdoor temperature is greater than 25°C, the fresh air fan 7 and the exhaust fan 82 are turned off, and the centrifugal fan 16 is turned on. It is sent into the cold air area 5, and the cooling air passes through the cold air area 5 and passes through the server rack to cool the electronic equipment in the cabinet 3. The waste heat enters the hot air area 4 from the rear of the rack, and the hot air in the hot air area 4 passes through the porous machine room floor 2 In the under-floor space, a ring-shaped cooling unit 13 is arranged under the machine room floor 2 to cool the hot air, and then sent to the cold air area 5 through the porous machine room floor 2 under the action of the centrifugal fan 16 again, so as to circulate and cool.

Example 2

On the basis of Embodiment 1, the pipeline assembly further includes a water inlet branch 114 connected to the water inlet pipeline 111 and a return water branch 115 connected to the return water pipeline 113 . The water inlet branch 114 is connected to the return water The branch 115 circulates through the fresh air blower 7 .

When in use, the fresh air fan 7, the exhaust fan 82 and the centrifugal fan 16 are all turned on, and the well water source is relatively stable and at a lower temperature, which can provide a cold source for the fresh air fan 7 and the cooling unit 13, and the water in the water diversion well 7 passes through. The suction pump 10 and the water inlet pipeline 111 are transported, and a part of the cold water flows to the fresh air fan 7 through the water inlet branch 114 and cools the gas there, and the water after heat exchange with the fresh air fan 7 passes through the return water branch. 115 and the return water pipeline 113 directly enter the return water well 15 on the other side. The cold air passes through the cabinet 3 for cooling and then becomes hot air. A part of the hot air leaves the exhaust duct 81 and the exhaust port 83 through the exhaust fan 82 , and another part of the hot air enters the basement through the perforated machine room floor 2 for cooling.

The other part of the cold water enters the cooling unit 13 through the heat exchanger 12 and the circulation branch 112. The cooling unit 13 heats and cools the gas entering the lower side of the machine room floor 2, and the cooled gas enters the cold air area 5 through the centrifugal fan 16 and is The cabinet 3 is cooled here; at the same time, this part of the cold water enters the heat exchanger 12 as a cold source, and cools the hot water in the heat exchange with the cooling unit 13 . The water enters the return well 15 on the other side, during which only the water pump and the fan consume less energy, which greatly reduces the energy consumption of the system and improves the PUE of the data center.

Although the present invention has been described in detail in conjunction with the preferred embodiments with reference to the accompanying drawings, the present invention is not limited thereto. Without departing from the spirit and essence of the present invention, those of ordinary skill in the art can make various equivalent modifications or substitutions to the embodiments of the present invention, and these modifications or substitutions should all fall within the scope of the present invention/any Those skilled in the art can easily think of changes or substitutions within the technical scope disclosed by the present invention, which should all be included within the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims (9)

1. A well water source natural cooling data center comprises a wall body, a machine room floor and a cabinet arranged on the machine room floor, and is characterized in that a through hole is formed in a machine room bottom plate, a closed hot air area is arranged on the inner side of the cabinet, a cold air area is arranged between the outer side of the cabinet and the wall body, and a channel area for sealing and isolating the air area is arranged between the hot air area and the cold air area;

a fresh air fan communicated with the outside is arranged in the cold air area, an exhaust channel is arranged in the hot air area, and a treatment facility for cooling air is arranged on the lower side of the machine room floor; the treatment facility comprises a well water source, a water pump assembly, a pipeline assembly, a heat exchanger, a cooling unit and a centrifugal fan, wherein the well water source is sequentially connected with the heat exchanger and the cooling unit through the pipeline assembly, the water pump assembly is arranged on the pipeline assembly, the centrifugal fan for drainage is arranged on one side of the cooling unit, and the centrifugal fan is located on the lower side of a cold air area.

2. The well water self-contained cooling data center of claim 1, wherein: the well water source include drainage well and return water well, the water pump assembly include diversion pump and circulating pump, the pipeline subassembly include water intake pipe, circulating line and return water pipeline, drainage well, diversion pump and heat exchanger intake end pass through water intake pipe and connect, the heat exchanger passes through circulating line with cooling unit, circulating pump and is connected, the heat exchanger outlet end is connected through return water pipeline with the return water well.

3. The well water self-contained cooling data center of claim 1, wherein: a server module is arranged in the cabinet in a matched manner, and a small bus power supply unit is arranged at the top of the cabinet; one side of the machine cabinet is provided with a power distribution cabinet and a monitoring cabinet.

4. The well water self-contained cooling data center of claim 1, wherein: the channel area comprises a sliding door and a sealing piece, the sliding door is located between the cold air area and the hot air area, and the sealing piece is arranged on one side of the sliding door.

5. The well water self-contained cooling data center of claim 1, wherein: the cooling unit is of a snake-shaped pipeline structure.

6. The well water self-contained cooling data center of claim 1, wherein: the air exhaust channel comprises an air exhaust pipe, an air exhaust fan and an air exhaust port, the air exhaust pipe is located on one side of the hot air area, the air exhaust fan is installed on one side of the air exhaust pipe, and the air exhaust port is formed in the other side of the air exhaust pipe.

7. The well water self-contained cooling data center of claim 6, wherein: the exhaust channel is a chimney type exhaust channel, and a rain shade is arranged at the upper part of the exhaust channel.

8. The well water self-contained cooling data center of claim 1, wherein: the equipment cabinets are arranged into two symmetrical groups, and the distribution of the equipment cabinets in the wall body is circular.

9. The well water self-contained cooling data center of claim 1, wherein: the pipeline component further comprises a water inlet branch connected with the water inlet pipeline and a water return branch connected with the water return pipeline, and the water inlet branch and the water return branch circulate through the fresh air fan.

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