Data center cooling system utilizing mine or cave cool air

Abstract

The application belongs to the technical field of energy saving and emission reduction, and aims to solve the problems of unstable energy efficiency and high cooling energy consumption of the current data center, and particularly relates to a data center cooling system using mine or cave cold air, which comprises a general control center, a cold source air supply system, a conveying system, a processing system and a system to be cooled, the cold source air supply system comprises a cold source acquisition device and a temperature detection device; the conveying system comprises a first channel, a second channel and a third channel, the second channel is used for returning the hot air of the system to be cooled to the inside of the mine / cave; when the actual temperature value obtained by the temperature detection device is not greater than the preset temperature, the cold air in the mine / cave is conveyed to the system to be cooled; otherwise, the third channel is controlled to be opened to inhale outdoor air. The application uses mine / cave air as a low-temperature heat dissipation source, fully utilizes natural conditions, realizes secondary utilization of resources, realizes energy saving and emission reduction of the data center, and guarantees the stable energy efficiency demand of the data center.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of energy saving and emission reduction, and in particular to a data center cooling system utilizing cold air in a mine or cave. BACKGROUND

[0002] Energy saving of the data center air conditioning system has always been the direction of data center architecture evolution and system optimization. In addition to the mainstream chilled water architecture, direct evaporation architecture, liquid cooling architecture, there are indirect evaporation unit architecture, large fluorine pump unit architecture, and the ultimate source of the above architectures is outdoor air. The system energy efficiency is low in high temperature and high in low temperature.

[0003] The main power consumption of large data centers mainly lies in two aspects: one is the all-weather operation of servers, storage and other equipment, which brings huge power consumption; the second is the increase of the scale and power of the heat dissipation system of the data center room, and the all-weather operation of air conditioning equipment and fans, which is the second reason for the large power consumption of the data center.

[0004] In addition to the mainstream chilled water architecture, direct evaporation architecture, liquid cooling architecture, there are indirect evaporation unit architecture, large fluorine pump unit architecture, and the ultimate source of the above architectures is outdoor air. The system energy efficiency is low in high temperature and high in low temperature. Due to the uninterrupted operation of the data center all year round, the current architecture cannot meet the energy efficiency operation of the data center. SUMMARY

[0005] In order to solve the problem of unstable energy efficiency and high cooling energy consumption of the current data center, the present application provides a data center cooling system utilizing cold air in a mine or cave.

[0006] The data center cooling system utilizing cold air in a mine or cave provided by the present application adopts the following technical scheme:

[0007] A data center cooling system utilizing cold air in a mine or cave, comprising a total control center, a cold source air supply system, a conveying system, a processing system and a system to be cooled, the cold source air supply system, the conveying system, the processing system and the system to be cooled are all signal connected with the total control center;

[0008] The cold source air supply system comprises a cold source acquisition device and a temperature detection device, and the cold source acquisition device is arranged in a mine / cave.

[0009] The conveying system comprises a first channel, a second channel and a third channel, the first channel is used to connect the cold source acquisition device and the processing system to output the air in the mine / cave.

[0010] The second channel is used for returning the hot air of the system to be cooled to the inside of the mine / cave;

[0011] The third channel is used for the communication of the processing system with the outside world to inhale outdoor air;

[0012] When the actual temperature value obtained by the temperature detection device is not greater than the preset temperature, the total control center controls the cold source acquisition device to start, and transmits the cold source to the processing system through the first channel for processing, and transmits the processed cold source to the system to be cooled;

[0013] When the actual temperature value obtained by the temperature detection device is greater than the preset temperature, the total control center controls the cold source acquisition device to close, and controls the third channel to open to inhale outdoor air.

[0014] By adopting the above technical scheme, the air in the mine / cave is used as a low-temperature heat dissipation source, the natural conditions are fully utilized, the secondary utilization of resources is realized, the energy saving and emission reduction of the data center can be realized, and a stable cold source with a temperature lower than outdoor air can be provided for cooling of the data center, so that the stable energy efficiency demand of the data center is ensured.

[0015] Preferably, the cold source acquisition device comprises a fan, a collecting mechanism and a frame, and the collecting mechanism is arranged on the side wall of the frame.

[0016] The fan is arranged on the frame, and the fan is in communication with the output port of the collecting mechanism.

[0017] The collecting mechanism has a horn-shaped inlet.

[0018] By adopting the above technical scheme, the cold air in the mine / cave can be easily collected, the demand for the amount of cold air required for cooling of the data center can be met, and the energy efficiency of the cooling system of the data center can be improved.

[0019] Preferably, the collecting mechanism is a collecting cover or a diffuser cover.

[0020] By adopting the above technical scheme, the aerodynamic performance is achieved, the delivery efficiency and static pressure of the fan are effectively improved, the operation is simple, and the assembly is facilitated.

[0021] Preferably, the system to be cooled comprises a data center room, a first indoor fan assembly, a second indoor fan assembly and / or a third indoor fan assembly.

[0022] The first indoor fan assembly is used for inputting the cold source to the data center room.

[0023] The second indoor fan assembly is used for returning the hot air in the data center room to the inside of the mine / cave through the second channel.

[0024] The third room fan assembly is used to transport hot air in the data center room to the office area and / or the generator room to assist in heating.

[0025] By adopting the above technical scheme, a direct cooling architecture for a data center is provided, cold air in a mine cave or a mountain cave is directly transported to the inside of the data center to dissipate heat of the data center room, and the structure is simple, efficient and practical.

[0026] Preferably, the system further comprises an outdoor air supply system connected with the central control center;

[0027] The outdoor air supply system is arranged at the entrance of the third channel;

[0028] The processing system comprises a first air valve device, a second air valve device, a filtering device and a surface cooling device, the first air valve device is connected with the first channel, the second air valve device is connected with the third channel, the outlet of the first air valve device and the outlet of the second air valve device are connected with the filtering device, and the surface cooling device is arranged between the filtering device and the system to be cooled.

[0029] By adopting the above technical scheme, when the temperature of the air in the mine cave or the mountain cave is insufficient, the outdoor air is used for supplement, the supplement ratio can be controlled through the first air valve device and the second air valve device, the demand of the cold air amount required by the data center cooling is met, and the energy efficiency of the data center cooling system is improved.

[0030] Preferably, the data center cooling system further comprises an air detection device connected with the central control center;

[0031] The air detection device is used to detect the air quality of the mine cave or the mountain cave;

[0032] When the actual air quality detected by the air detection device is lower than the standard air quality, the central control center controls the cold source acquisition device to be closed, and the second air valve device is started to inhale outdoor air.

[0033] By adopting the above technical scheme, when the quality of the air in the mine cave or the mountain cave cannot meet the cold source requirement of the data center room, the outdoor air can be used for supplement, the supplement ratio can be controlled through the first air valve device and the second air valve device, the demand of the cold air amount required by the data center cooling is met, and the energy efficiency of the data center cooling system is improved.

[0034] Preferably, the processing system comprises a heat exchange device and a refrigeration system, the heat exchange device is used to control heat exchange between the mine cave / mountain cave air input through the first channel and indoor air;

[0035] The exchanged hot air is returned to the inside of the mine / cave through the second channel, or is discharged to the outdoor atmosphere, or is transported to the office area and / or the generator room through a branch channel to assist in heating;

[0036] The refrigeration system is used for secondary cooling of the indoor air after being cooled, and the indoor air after being secondary cooled forms the cold source.

[0037] By adopting the above technical scheme, an indirect cooling architecture for the data center is provided, and the air after being secondary cooled by the refrigeration system is input as the cold source into the inside of the data center to dissipate heat of the data center room; by introducing the refrigeration system, the temperature of the input cold source is further ensured, and the energy efficiency of the data center cooling system is effectively improved.

[0038] Preferably, the refrigeration system is a DX direct expansion refrigeration system or a chilled water refrigeration system.

[0039] By adopting the above technical scheme, the refrigeration effect is good and control is facilitated.

[0040] Preferably, the processing system comprises a condensing system, a refrigeration system and a heat exchange device, and the central control center controls the cold source air supply system to be started to input the mine / cave air into the condensing system through the first channel to exchange heat;

[0041] The exchanged hot air is returned to the inside of the mine / cave through the second channel, or is discharged to the outdoor atmosphere, or is transported to the office area and / or the generator room through a branch channel to assist in heating;

[0042] The refrigeration system is used for secondary cooling of the air output by the condensing system, and the air after being secondary cooled forms the cold source.

[0043] The heat exchange device is used for cooling the air in the data center room.

[0044] In the working process, the central control center controls the heat exchange device to be started, and after the air in the room is cooled, controls the first indoor fan assembly to be started to input the cold source.

[0045] By adopting the above technical scheme, an auxiliary cooling architecture for the data center is provided, the air after being condensed is input as the input air of the refrigeration system, and then is secondary cooled by the refrigeration system, and the air after being processed is used as the cold source; for the data center room, the air in the data center room is cooled by the heat exchange device first, and then the cold source is input, and the energy efficiency of the data center cooling system is effectively improved.

[0046] Preferably, the condensing system is a cooling tower, a dry cooler or an outdoor condenser.

[0047] The heat exchange device is an evaporator.

[0048] The refrigeration system is a DX direct expansion refrigeration system or a chilled water refrigeration system.

[0049] By adopting the above technical scheme, the refrigeration effect is good, and control is facilitated.

[0050] To sum up, the present application has at least one of the following beneficial technical effects:

[0051] 1. The data center cooling system disclosed by the present application utilizes mine or cave cold air as a low-temperature heat dissipation source, fully utilizes natural conditions, realizes secondary utilization of resources, can not only realize energy saving and emission reduction of the data center, but also can provide a stable cold source with a temperature lower than outdoor air for cooling of the data center, and guarantees stable energy efficiency requirements of the data center.

[0052] 2. The direct cooling architecture for the data center provided by the present application directly transports the cold air of the mine or cave to the inside of the data center to dissipate heat of the data center room, and has a simple structure, high efficiency and practicality.

[0053] 3. The indirect cooling architecture for the data center provided by the present application inputs air cooled twice by a refrigeration system into the inside of the data center as a cold source to dissipate heat of the data center room; the introduction of the refrigeration system further guarantees the temperature of the input cold source, and effectively improves the energy efficiency of the data center cooling system.

[0054] 4. The auxiliary cooling architecture for the data center provided by the present application inputs air cooled by condensation as input air of the refrigeration system, then performs secondary cooling treatment on the air by the refrigeration system, and inputs the treated air as a cold source; for the data center room, the air in the data center room is cooled by a heat exchange device first, and then the cold source is input, thereby effectively improving the energy efficiency of the data center cooling system. BRIEF DESCRIPTION OF DRAWINGS

[0055] Figure 1 is a frame structure schematic diagram of the present application.

[0056] Figure 2 is a frame schematic diagram of a first specific embodiment in the present application.

[0057] Figure 3 is a frame schematic diagram of a second specific embodiment in the present application.

[0058] Figure 4 is a frame schematic diagram of a third specific embodiment in the present application. DETAILED DESCRIPTION

[0059] The following will be described in combination with the drawingsFigure 1 To the attached Figure 4 The application is further described in detail.

[0060] The embodiment of the application discloses a data center cooling system utilizing cold air in a mine or a cave.

[0061] With reference to Figure 1 , including the total control center (not shown in the figure), the cold source air supply system, the conveying system, the processing system and the system to be cooled, the cold source air supply system, the conveying system, the processing system, the system to be cooled are all connected with the total control center signal, forming a full-automatic intelligent control, without manual intervention, effectively reducing the labor cost, at the same time, ensuring the efficient and accurate operation of the system.

[0062] Among them, the cold source air supply system includes a cold source acquisition device and a temperature detection device, wherein the cold source acquisition device is arranged in the mine / cave, and is used for acquiring the cold air in the mine / cave; the temperature detection device is used for acquiring the air temperature in the mine / cave in real time and transmitting to the total control center.

[0063] The conveying system includes a first channel, a second channel and a third channel, the first channel is used for connecting the cold source acquisition device with the processing system, so as to output the air in the mine / cave; the second channel is used for returning the hot air of the system to be cooled to the inside of the mine / cave; the third channel is used for connecting the processing system with the outside to inhale outdoor air.

[0064] When the actual temperature value acquired by the temperature detection device is not greater than the preset temperature, the total control center controls the cold source acquisition device to start, and transmits the cold source to the processing system through the first channel for processing, and transmits the processed cold source to the system to be cooled, the cold air temperature in the mine / cave is lower than the outdoor air temperature, or far lower than the outdoor air temperature, the cold air in the mine / cave is used as a direct cold source, to directly cool the data center or cool the outdoor equipment of the data center cooling system, so as to improve the energy efficiency of the data center cooling system and reduce the power consumption.

[0065] When the actual temperature value acquired by the temperature detection device is greater than the preset temperature, the total control center controls the cold source acquisition device to close, and controls the third channel to open to inhale outdoor air, since the hot air of the system to be cooled is returned to the inside of the mine / cave as a circulating air supply, when the air in the area where the cold source acquisition device is located is higher than the preset temperature, the air extraction from the mine / cave is stopped, and then the outdoor air is supplemented as a cold source supply, to provide a stable cold source with a temperature lower than the outdoor air for the cooling of the data center, and ensure the stable energy efficiency requirement of the data center.

[0066] The application utilizes the characteristics that the air in the mine cave / cave is at a low temperature all the year round and is lower than the outdoor ambient temperature to directly supply cold air for the data center or to dissipate heat for the outdoor equipment of the data center cooling system, thereby improving the energy efficiency of the data center cooling system and reducing the power consumption.

[0067] Specifically, the cold source obtaining device comprises a fan, a collecting mechanism and a frame, the collecting mechanism is arranged on the side wall of the frame; the fan is arranged on the frame and is communicated with the outlet of the collecting mechanism; and the collecting mechanism has a horn-shaped inlet. In the embodiment, the collecting mechanism is preferably a collecting cover or a diffuser cover.

[0068] The fan can rotate forward or reversely, that is, the air in the mine cave / cave can be extracted and transported to a necessary position, or the outdoor air can be transported into the mine cave / cave for other purposes. The forward rotation or reverse rotation is comprehensively selected according to the air quality, the temperature difference between the air in the mine cave / cave and the outdoor air and the air flow organization requirement.

[0069] The collecting cover / diffuser cover is a device for improving the transportation efficiency and static pressure of the fan and has aerodynamic performance and is arranged in front of or behind the fan. The collecting mechanism is arranged on the square or circular frame and has the characteristics of modularity and simple installation and can be combined in a single, multiple, horizontal or vertical manner according to the requirement to meet the air flow or static pressure requirement. Meanwhile, the device is completely modularized and can be delivered, which can greatly reduce the time and cost of operation, maintenance and repair.

[0070] Reference Figure 2 Further, when the system adopts a direct cooling architecture, the cold air in the mine cave / cave is directly transported into the data center to dissipate heat in the data center room.

[0071] Specifically, the system to be cooled comprises a data center room, a first indoor fan assembly, a second indoor fan assembly and / or a third indoor fan assembly; the first indoor fan assembly is used to input the cold source into the data center room, and in the embodiment, the cold source is the cold air in the mine cave / cave.

[0072] The second indoor fan assembly is used to return the hot air in the data center room to the inside of the mine cave / cave through the second channel as air supplement in the inside of the mine cave / cave.

[0073] The third indoor fan assembly is used to transport the hot air in the data center room to the office area and / or the generator room to assist in heating and realize multiple utilization of resources.

[0074] The system further comprises an outdoor air supply system, the outdoor air supply system is connected with the signal of the central control center, the outdoor air supply system is arranged at the inlet of the third channel and is used to control the input of the outdoor air.

[0075] The processing system comprises a first air valve device, a second air valve device, a filtering device and a surface cooling device, the first air valve device is connected with the first channel; the second air valve device is connected with the third channel; the outlets of the first air valve device and the second air valve device are connected with the filtering device; the surface cooling device is arranged between the filtering device and the system to be cooled, when the temperature of the mine cave / cave air is insufficient, the outdoor air is supplemented, the supplementing proportion can be controlled by the first air valve device and the second air valve device, the demand of the cold air amount required by the data center cooling is met, and the energy efficiency of the data center cooling system is improved.

[0076] The data center cooling system further comprises an air detection device connected with the total control center signal, the air detection device is used for detecting the air quality of the mine cave / cave; when the actual air quality detected by the air detection device is lower than the standard air quality, the total control center controls the cold source acquisition device to be closed, and the second air valve device is started to inhale the outdoor air; when the quality of the mine cave / cave air cannot meet the cold source requirement of the data center room, the outdoor air can be supplemented, the supplementing proportion can be controlled by the first air valve device and the second air valve device, the demand of the cold air amount required by the data center cooling is met, and the energy efficiency of the data center cooling system is improved.

[0077] Referring to Figure 3 , further, when the system adopts an indirect cooling architecture mode, the air after secondary cooling by the refrigeration system is taken as the cold source input into the data center to cool the data center room; by introducing the refrigeration system, the temperature of the input cold source is further ensured, and the energy efficiency of the data center cooling system is effectively improved.

[0078] The processing system comprises a heat exchange device and a refrigeration system, the heat exchange device is used for controlling the heat exchange between the mine cave / cave air input through the first channel and the indoor air; the hot air after the exchange is returned to the inside of the mine cave / cave, or discharged to the outdoor atmosphere, or transported to the office area and / or the generator room through the branch channel to assist heating; the refrigeration system is used for secondary cooling of the indoor air after cooling, and the indoor air after the secondary cooling forms the cold source.

[0079] The refrigeration system is a DX direct expansion refrigeration system or a chilled water refrigeration system, and the refrigeration effect is good and easy to control.

[0080] Referring to Figure 4 , further, when the system adopts an auxiliary cooling architecture mode, the condensed air is taken as the input air of the refrigeration system, and then the air is subjected to secondary cooling treatment by the refrigeration system, and the air after the treatment is taken as the cold source; for the data center room, the air in the data center room is first cooled by the heat exchange device, and then the cold source is input, so that the energy efficiency of the data center cooling system is effectively improved.

[0081] Specifically, the processing system comprises a condensing system, a refrigeration system and a heat exchange device, and the central control center controls the cold source air supply system to start to input the cave / mountain cave air to the condensing system through the first channel for heat exchange;

[0082] The exchanged hot air is returned to the inside of the cave / mountain cave through the second channel, or is discharged to the outdoor atmosphere, or is transported to the office area and / or the generator room through the auxiliary channel to assist in heating;

[0083] The refrigeration system is used for secondary cooling of the cooled air output by the condensing system, and the secondary cooled air forms the cold source;

[0084] The heat exchange device is used for cooling the air in the data center machine room;

[0085] In the working process, the central control center controls the heat exchange device to start, and after completing the cooling of the air in the machine room, controls the first indoor fan assembly to start to input the cold source.

[0086] The condensing system is a cooling tower, a dry cooler or an outdoor condenser; the heat exchange device is an evaporator; and the refrigeration system is a DX direct expansion refrigeration system or a chilled water refrigeration system, which has good refrigeration effect and is convenient to control.

[0087] The implementation principle of the data center cooling system utilizing the cold air of the cave or mountain cave according to the embodiment of the application is as follows: by using the scheme disclosed in the application, the cold air in the cave / mountain cave is utilized to directly cool the data center or to cool the outdoor equipment of the data center cooling system, so that the energy efficiency of the data center cooling system is improved and the power consumption is reduced.

[0088] Further, the application also comprises a data center cooling method utilizing the cold air of the cave or mountain cave, which specifically comprises the following steps:

[0089] An actual temperature value inside the cave / mountain cave is obtained;

[0090] It is judged whether the actual temperature value is greater than a preset temperature or not;

[0091] When the actual temperature value is not greater than the preset temperature, a cold source obtaining device is started, and the cold source is transmitted to the processing system through the first channel for processing, and the processed cold source is transmitted to the system to be cooled;

[0092] When the actual temperature value is greater than the preset temperature, the cold source obtaining device is closed, and the third channel is controlled to be opened to inhale outdoor air.

[0093] The above are preferred embodiments of the application, and do not limit the protection scope of the application, so that: any equivalent changes made according to the structure, shape and principle of the application should be covered within the protection scope of the application.

Claims

1. A data center cooling system utilizing cold air from mines or caves, characterized in that: It includes a central control center, a cold air supply system, a conveying system, a processing system, and a system to be cooled, wherein the cold air supply system, the conveying system, the processing system, and the system to be cooled are all connected to the central control center via signal. The cold air supply system includes a cold source acquisition device and a temperature detection device, wherein the cold source acquisition device is installed in the mine / cave. The conveying system includes a first channel, a second channel, and a third channel. The first channel is used to connect the cold source acquisition device with the processing system to output air from the mine / cave. The second channel is used to return the hot air from the heat dissipation system to the interior of the mine / cave. The third channel is used to connect the processing system to the outside world to draw in outdoor air; When the actual temperature value obtained by the temperature detection device is not greater than the preset temperature, the central control center controls the cold source acquisition device to start, and transmits the cold source to the processing system for processing through the first channel, and then transmits the processed cold source to the system to be cooled. When the actual temperature value obtained by the temperature detection device is greater than the preset temperature, the central control center controls the cold source acquisition device to close and controls the third channel to open to draw in outdoor air. The processing system includes a condensation system, a refrigeration system, and a heat exchange device. The central control center controls the start of the cold source air supply system to input mine / cave air into the condensation system through the first channel for heat exchange. The exchanged hot air is returned to the interior of the mine / cave through the second channel, or discharged to the outdoor atmosphere, or transported to the office area and / or generator room through the auxiliary channel to assist in heating; The refrigeration system is used to further cool the air output from the condensation system after it has been cooled, and the air after the secondary cooling forms the cold source. The heat exchange device is used to cool the air inside the data center server room; During operation, the central control center controls the heat exchange device to start, and after cooling the air in the machine room, it controls the first indoor fan assembly to start to input the cold source.

2. The data center cooling system utilizing cold air from mines or caves according to claim 1, characterized in that: The cold source acquisition device includes a fan, a collection mechanism, and a frame, with the collection mechanism disposed on the side wall of the frame; The fan is mounted on the frame and is connected to the output port of the collection mechanism; The collection mechanism has a funnel-shaped inlet.

3. The data center cooling system utilizing cold air from mines or caves according to claim 2, characterized in that: The collection mechanism is a collection hood or a diffusion hood.

4. The data center cooling system utilizing cold air from mines or caves according to claim 3, characterized in that: The heat dissipation system includes a data center computer room, a first indoor fan assembly, a second indoor fan assembly, and / or a third indoor fan assembly; The first indoor fan assembly is used to input a cooling source into the data center server room; The second indoor fan assembly is used to return hot air from the data center computer room to the interior of the mine / cave through the second channel; The third indoor fan assembly is used to transport hot air from the data center server room to the office area and / or generator room to assist in heating.

5. The data center cooling system utilizing cold air from mines or caves according to claim 4, characterized in that: The system also includes an outdoor air supply system, which is signal-connected to the central control center; The outdoor air supply system is located at the entrance of the third channel; The processing system includes a first air valve device, a second air valve device, a filter device, and a surface cooling device. The first air valve device is connected to the first channel; the second air valve device is connected to the third channel; the outlets of the first air valve device and the second air valve device are both connected to the filter device; and the surface cooling device is disposed between the filter device and the system to be cooled.

6. The data center cooling system utilizing cold air from mines or caves according to claim 5, characterized in that: The data center cooling system also includes an air detection device that is connected to the central control center via a signal connection. The air detection device is used to detect the air quality in mines / cave tunnels; When the actual air quality detected by the air detection device is lower than the standard air quality, the central control center controls the cold source acquisition device to close and activates the second air valve device to draw in outdoor air.

7. The data center cooling system utilizing cold air from mines or caves according to claim 1, characterized in that: The condensation system is a cooling tower, a dry cooler, or an outdoor condenser; The heat exchange device is an evaporator; The refrigeration system is a DX direct expansion refrigeration system or a chilled water refrigeration system.

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