CN210602031U - Modular data center machine room system - Google Patents

Abstract

The utility model discloses a modularization data center computer lab system, including the computer lab of the equipment that remains to be cooled down of inside placement, refrigeration module and be used for controlling the control module of refrigeration module, refrigeration module includes at least one circulation refrigeration module, circulation refrigeration module includes first fan, surface cooler and is used for providing the cold source module of cold source for the surface cooler, first fan is used for making the air in the computer lab forms the circulated air return circuit, the circulated air return circuit passes through the surface cooler heat transfer cooling, passes through the equipment that remains to be cooled down again, in order to right the equipment that remains to be cooled down cools down; the cold source module comprises a natural cold source module and/or a mechanical cold source module. Utilize the circulated air return circuit to treat the cooling device cooling with concentrating, need not to make all corners of whole computer lab keep low temperature, reduce the consumption of the energy, make the effect of refrigeration cooling better.

Description

Modular data center machine room system

Technical Field

The utility model relates to a refrigeration cooling equipment field especially relates to a modularization data center computer lab system.

Background

With the rapid development of information technology, Internet Data Centers (IDCs) are increasingly being built in cities and countries around the world. Because the IT cabinets have large heat productivity of the communication equipment, and the operating environment of the equipment has higher requirements on temperature, humidity and cleanliness, the data center machine room needs to supply cold all the year around, so that a large amount of energy consumption of an air conditioner needs to be paid out, and the operating cost of an air conditioning system is an important component for operation and maintenance of the data center.

The traditional data center machine room air conditioner mainly adopts an electric refrigeration mode, and a natural cold source is used for cooling a machine room in winter in order to achieve the purpose of energy conservation in some data centers. The specific methods are two types: one is the direct utilization of a natural cold source, namely when the outdoor temperature is lower than the set temperature of the machine room, the outdoor air is directly introduced into the machine room to be cooled, but the quality of the outdoor air is poor under most conditions, so that the control requirement of a data center on the quality of the air is difficult to meet, and the application of the data center is limited; the other type is indirect utilization of a natural cold source, namely when the outdoor temperature is low enough, cold water (or liquid refrigerant) is obtained by utilizing outdoor air heat exchange and is switched to an air-conditioning chilled water system (or refrigerant system) to replace a mechanical cold source to cool the machine room, but a stable outdoor low temperature is required to obtain the stable cold source, so that the utilization time of the natural cold source is greatly limited, and the energy-saving effect is not obvious. And, the refrigerating system of current data center computer lab is basically only with in passing through the computer lab with air conditioning, but the computer lab is great, thereby often need consume more energy and just can make the IT rack cooling for whole computer lab refrigeration cooling, so the refrigeration cooling effect is not enough in general.

SUMMERY OF THE UTILITY MODEL

The present invention aims at solving at least one of the technical problems in the related art to a certain extent. Therefore, the utility model provides a modularization data center computer lab system to thereby solve and need consume more energy and just can make the problem of IT rack cooling for whole computer lab refrigeration cooling.

The technical scheme of the utility model is realized like this:

a modular data center machine room system comprises a machine room, a refrigeration module and a control module, wherein equipment to be cooled is placed in the machine room, the control module is used for controlling the refrigeration module, the refrigeration module comprises at least one circulating refrigeration module, the circulating refrigeration module comprises a first fan, a surface air cooler and a cold source module used for providing a cold source for the surface air cooler, the first fan is used for enabling air in the machine room to form a circulating air loop, and the circulating air loop is subjected to heat exchange and cooling through the surface air cooler and then passes through the equipment to be cooled so as to cool the equipment to be cooled; the cold source module comprises a natural cold source module and/or a mechanical cold source module.

As a further preferable scheme of the modular data center room system, the system further comprises a first temperature sensing device for detecting the temperature in the room.

As a further preferable scheme of the modular data center machine room system, the equipment to be cooled is arranged in a ventilated machine cabinet, a partition plate is arranged outside the machine cabinet, the machine cabinet and the partition plate divide the machine room into a cold channel and a hot channel, the circulating refrigeration module further comprises a circulating air chamber arranged outside the machine room, the first fan is arranged in the circulating air chamber, the circulating air chamber is communicated with the cold channel through a first air port and communicated with the hot channel through a second air port, and air in the machine room passes through the machine cabinet from the cold channel, enters the hot channel and then enters the circulating air chamber to form the circulating air loop.

As a further preferable aspect of the modular data center room system, the circulating refrigeration module further includes an air filter and a humidifier provided on a path of the circulating air circuit.

As a further preferable scheme of the modular data center machine room system, the refrigeration module further comprises a fresh air refrigeration module, the fresh air refrigeration module comprises a second fan and a direct evaporative cooling device, and an air outlet is formed in the machine room; the second fan sends low-temperature air outside the machine room into the machine room, and the low-temperature air is discharged out of the machine room from the air outlet after the equipment to be cooled is cooled, so that a fresh air loop is formed; the direct evaporative cooling device is arranged on the fresh air loop and is used for further cooling low-temperature air before entering the machine room.

As a further preferable scheme of the modular data center machine room system, the refrigeration module further comprises a fresh air refrigeration module, the fresh air refrigeration module comprises a second fan and a direct evaporative cooling device, and an air outlet is formed in the machine room; the fresh air refrigerating module also comprises a fresh air chamber, and the second fan and the direct evaporative cooling device are arranged in the fresh air chamber; the fresh air chamber is communicated with the cold channel through a third air opening, the second fan sends low-temperature air outside the machine room into the cold channel, the low-temperature air passes through the machine cabinet, enters the hot channel and is discharged out of the machine room through the air outlet, and a fresh air loop is formed.

As a further preferable scheme of the modular data center room system, the system further comprises an air quality detection device for detecting the quality of air outside the room and a second temperature sensing device for detecting the temperature outside the room.

As a further preferable scheme of the modular data center machine room system, the air outlet, the second air opening and the third air opening are all provided with air check valves.

As a further preferred scheme of the modular data center room system, the fresh air refrigeration module further comprises a fresh air filter arranged on the fresh air loop path.

As a further preferred scheme of the modular data center machine room system, the natural cold source module utilizes a natural cold source for heat exchange to obtain a low-temperature medium, and the low-temperature medium is used as a cold source and introduced into the surface air cooler to indirectly exchange heat with air in the machine room; the mechanical cold source module utilizes the compressor to perform electric refrigeration to obtain a low-temperature medium, and the low-temperature medium is used as a cold source and is introduced into the surface cooler to exchange heat with air in the machine room.

The beneficial effects of the utility model are that: the air in the machine room circularly flows by using the first fan, the cold source module is used for providing a cold source for the surface air cooler, and the surface air cooler performs heat exchange refrigeration on the air circularly flowing in the machine room to form a circulating air loop; the equipment to be cooled is arranged on the path of the circulating air loop, the circulating air loop is utilized to cool the equipment to be cooled in a centralized manner, all corners of the whole machine room are not required to be kept at low temperature, energy consumption is reduced, and the refrigerating and cooling effects are better.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a first embodiment of a modular data center room system according to the present invention;

fig. 2 is a schematic structural diagram of a second embodiment of the modular data center room system of the present invention;

fig. 3 is a schematic structural diagram of a third embodiment of the modular data center room system of the present invention;

fig. 4 is a schematic structural diagram of a fourth embodiment of the modular data center room system of the present invention;

fig. 5 is a schematic structural diagram of a fifth embodiment of the modular data center room system of the present invention;

fig. 6 is a schematic structural diagram of a sixth embodiment of the modular data center room system of the present invention.

In the figure: 1. a machine room; 11. a cabinet; 12. a partition plate; 13. a cold aisle; 14. a hot aisle; 15. an air outlet; 21. a first fan; 22. a surface cooler; 231. a natural cold source module; 232. a mechanical cold source module; 24. an air filter; 25. a humidifier; 26. a circulating air chamber; 261. a first tuyere; 262. a second tuyere; 3. a control module; 41. a second fan; 42. a direct evaporative cooling device; 43. a fresh air chamber; 431. a third tuyere; 44. fresh air filter.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "above," and "over" a second feature may mean that the first feature is directly above or obliquely above the second feature, or that only the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

Referring to fig. 1 to 6, the utility model provides a modular data center machine room system, including the machine room 1 that the equipment to be cooled is placed inside, refrigeration module and be used for controlling the control module 3 of refrigeration module, refrigeration module includes at least one circulation refrigeration module, circulation refrigeration module includes first fan 21, surface cooler 22 and is used for providing the cold source module of cold source for surface cooler 22, first fan 21 is used for making the air in machine room 1 form the circulated air return circuit, the circulated air return circuit passes through the heat transfer cooling of surface cooler 22, passes through the equipment to be cooled again, in order to cool down the equipment to be cooled; the cool source module includes a natural cool source module 231 and/or a mechanical cool source module 232.

Specifically, the first fan 21 is used for enabling air in the machine room 1 to flow in a circulating mode, the cold source module is used for providing a cold source for the surface air cooler 22, and the surface air cooler 22 conducts heat exchange refrigeration on the air flowing in the machine room 1 in the circulating mode to form a circulating air loop; the equipment to be cooled is arranged on the path of the circulating air loop, the circulating air loop is utilized to cool the equipment to be cooled in a centralized manner, all corners of the whole machine room 1 do not need to be kept at low temperature, energy consumption is reduced, and the refrigerating and cooling effects are better.

It should be noted that the natural cold source module 231 utilizes a natural cold source to exchange heat to obtain a low-temperature medium, and the low-temperature medium is introduced into the surface air cooler 22 as a cold source, so that the natural cold source indirectly exchanges heat with air in the machine room 1; the mechanical cold source module 232 utilizes the compressor to perform electric refrigeration to obtain a low-temperature medium, and the low-temperature medium is introduced into the surface cooler 22 as a cold source to exchange heat with air in the machine room 1. The natural cold source module 231 is not limited to a fluorine pump heat pipe system, a water source system, a ground source system and other natural cold sources, and is mainly responsible for obtaining a low-temperature medium by performing indirect heat exchange with the natural cold source under the condition that the ambient temperature outside the machine room 1 is low; the mechanical cold source module 232 is not limited to a water-cooling or air-cooling chilled water system, a VRV multi-split air-conditioning system and other mechanical cold sources, and is mainly responsible for obtaining low-temperature media in a compressor electric refrigeration mode under the condition that the ambient temperature outside the machine room 1 is high.

In some specific embodiments, in order to facilitate the operation control of the refrigeration module, the modular data center room system further includes a first temperature sensing device (not shown) for detecting the temperature in the room 1. Through first temperature-sensing device detects temperature in the computer lab 1, when the temperature in the computer lab 1 is higher than certain setting value, control module 3 opens refrigeration module work is cooled down for the equipment of treating the cooling in the computer lab 1.

In some specific embodiments, in order to form a more distinct circulation air loop, the device to be cooled is disposed in a ventable cabinet 11, a partition plate 12 is disposed outside the cabinet 11, the cabinet 11 and the partition plate 12 divide the machine room 1 into a cold channel 13 and a hot channel 14, the circulation refrigeration module further includes a circulation air chamber 26 disposed outside the machine room 1, the first fan 21 is disposed in the circulation air chamber 26, the circulation air chamber 26 communicates with the cold channel 13 through a first air port 261 and communicates with the hot channel 14 through a second air port 262, and air in the machine room 1 passes through the cabinet 11 from the cold channel 13, enters the hot channel 14 and then enters the circulation air chamber 26 to form the circulation air loop. Therefore, the internal space of the machine room 1 is divided into the cold channel 13 and the hot channel 14, so that on one hand, the cold quantity discount caused by the mixing of hot air and cold air can be prevented, the energy consumption of a mechanical cold source is reduced, and/or the utilization rate of a natural cold source is improved, and a better energy-saving effect is achieved. The partition 12 may be a cabinet blind plate.

In some embodiments, the circulation refrigeration module further includes an air filter 24 and a humidifier 25 disposed in the path of the circulation air circuit, because the equipment in the data center has high requirements for the temperature, humidity, cleanliness and ventilation volume of the operation environment. The air filter 24 and the humidifier 25 filter and humidify the air in the circulation air circuit to meet the requirements of the equipment in the data center for the operating environment. The air filter 24 is not limited to a combination of filters of various filtering levels, and the humidifier 25 is not limited to a humidification form such as an electrode humidifier 25 or a high-pressure spray humidifier 25.

In some specific embodiments, the refrigeration module further includes a fresh air refrigeration module, the fresh air refrigeration module includes a second fan 41 and a direct evaporative cooling device 42, and an air outlet 15 is provided in the machine room 1; the second fan 41 sends low-temperature air outside the machine room 1 into the machine room 1, cools the equipment to be cooled, and then discharges the air out of the machine room 1 through the air outlet 15 to form a fresh air loop; the direct evaporative cooling device 42 is arranged on the fresh air loop and is used for further cooling the low-temperature air before entering the machine room 1. Specifically, the fresh air refrigeration module further includes a fresh air chamber 43, and the second fan 41 and the direct evaporative cooling device 42 are disposed in the fresh air chamber 43; the fresh air chamber 43 is communicated with the cold channel 13 through a third air opening 431, and the second fan 41 sends low-temperature air outside the machine room 1 into the cold channel 13, passes through the cabinet 11, enters the hot channel 14, and is discharged out of the machine room 1 from the air outlet 15.

So, through the fresh air refrigeration module directly utilizes the outer low temperature wind of computer lab 1 to treat cooling device and refrigerate the cooling, increases the utilization ratio to natural wind, further reduces the energy resource consumption of modularization data center computer lab system.

In some specific embodiments, since the equipment in the data center has high requirements on the temperature, humidity and cleanliness of the operating environment and direct utilization of natural wind, the modular data center room system includes an air quality detection device (not shown) for detecting the quality of air outside the room 1 and a second temperature sensing device (not shown) for detecting the temperature outside the room 1. When the air quality outside the machine room 1 is good enough and the ambient temperature outside the machine room 1 is low enough, the control module 3 starts the fresh air refrigeration module, otherwise, only the circulating refrigeration module is started. Preferably, a fresh air filter 44 is disposed on the fresh air circuit path to filter air entering the fresh air chamber 43 from outside the machine room 1.

In some embodiments, in order to avoid the air in the circulation air loop and/or the fresh air loop from flowing back and the cold air is mixed with the hot air to reduce the cold quantity, the air outlet 15, the second air inlet 262 and the third air inlet 431 are provided with non-return air valves (not shown). The non-return air valve is a self-operated non-return air valve, and is opened or closed automatically under the action of pressure difference without external drive, so that fault points are reduced, and the operation reliability is improved.

The following shows some combinations by way of specific examples: it should be noted that, in the following description, turning off/on refers to turning off/on a module, and loading/unloading refers to increasing or decreasing the output of a module.

Example one

Referring to fig. 1, there is shown a modular data center room system comprising a room 1, a refrigeration module and a control module 3; be equipped with in the computer lab 1 and wait to cool down the equipment, the refrigeration module is the circulation refrigeration module, the circulation refrigeration module includes first fan 21, surface cooler 22 and is used for providing the nature cold source module 231 of cold source for surface cooler 22. The remaining structure is adapted to the above-described features. The scheme of the first embodiment operates the full return air indirect natural cooling mode, wherein the full return air refers to all circulating air.

When the first temperature sensing device detects that the temperature in the machine room 1 is higher than a certain temperature set value th, the natural cold source module 231 is loaded, a cold source provided for the surface air cooler 22 is increased, and heat exchange refrigeration is performed between the cold source and the air in the circulating air loop; otherwise, the natural cold source module 231 is unloaded.

Example two

Referring to fig. 2, a modular data center room system is shown, comprising a room 1, a refrigeration module and a control module 3; be equipped with in the computer lab 1 and wait to cool down the equipment, the refrigeration module is the circulation refrigeration module, the circulation refrigeration module includes first fan 21, surface cooler 22 and is used for providing the mechanical cold source module 232 of cold source for surface cooler 22. The remaining structure is adapted to the above-described features. The scheme of the second embodiment operates the all-return mechanical refrigeration mode.

When the first temperature sensing device detects that the temperature in the machine room 1 is higher than a certain temperature set value th, the mechanical cold source module 232 is loaded, a cold source provided for the surface air cooler 22 is increased, and heat exchange refrigeration is performed between the cold source and the air in the circulating air loop; otherwise, the mechanical heat sink module 232 is unloaded.

EXAMPLE III

Referring to fig. 3, a modular data center room system is shown, comprising a room 1, a refrigeration module and a control module 3; be equipped with in the computer lab 1 and wait to cool down the equipment, the refrigeration module is the circulation refrigeration module, the circulation refrigeration module includes first fan 21, surface cooler 22 and is used for providing mechanical cold source module 232 and the nature cold source module 231 of cold source for surface cooler 22, mechanical cold source module 232 and nature cold source module 231 insert respectively surface cooler 22. The remaining structure is adapted to the above-described features. The mechanical cold source module 232 and the natural cold source module 231 may be separate devices or may be an integrated device having both modules. The third embodiment scheme comprises two modes, including a full-return air hybrid refrigeration mode and a full-return mechanical refrigeration mode. The full return air mixed refrigeration mode refers to that the natural cold source module 231 and the mechanical cold source module 232 are mixed for refrigeration.

When the ambient temperature outside the machine room 1 is higher than a certain temperature set value tw1, only the mechanical heat sink module 232 is turned on, and the natural cooling module 231 is turned off, so as to operate the full-return mechanical cooling mode in the second embodiment.

When the ambient temperature outside the machine room 1 is lower than a certain temperature set value tw1, the mechanical cold source module 232 and the natural cooling module 231 are started, and a full-return air hybrid refrigeration mode is operated; if the temperature in the machine room 1 is lower than a certain temperature set value th, the mechanical heat sink module 232 is first unloaded or turned off. After the mechanical cold source module 232 is closed, if the temperature in the machine room 1 is still lower than the set value th, the natural cooling module 231 is unloaded or closed; on the contrary, if the temperature in the machine room 1 is higher than a certain temperature set value th at first, the natural cold source module 231 is loaded first, and if the temperature in the machine room 1 is still higher than the set value th after the natural cold source module 231 is fully loaded, the mechanical cold source module 232 is started. The first fan 21 is always running, so that the air volume in the machine room 1 meets the requirement.

Example four

Referring to fig. 4, a modular data center room system is shown, comprising a room 1, a refrigeration module and a control module 3; be equipped with in the computer lab 1 and wait to cool down the equipment, refrigeration module is including circulation refrigeration module and new trend refrigeration module, circulation refrigeration module includes first fan 21, surface cooler 22 and is used for providing the nature cold source module 231 of cold source for surface cooler 22. The remaining structure is adapted to the above-described features. The scheme of the fourth embodiment comprises three modes, including a full return air indirect natural cooling mode, a full fresh air natural cooling mode and a fresh return air mixed natural cooling mode. The fresh air natural cooling mode is a fresh air cooling mode which only uses fresh air outside the machine room 1, and the fresh air and return air mixed natural cooling mode is a fresh air and circulating air mixed cooling mode.

When the air quality outside the machine room 1 is poor, only a circulating refrigeration module is used for refrigerating and cooling the machine room 1; and a full return air indirect natural cooling mode is used.

When the outdoor air quality is good and the ambient temperature outside the machine room 1 is higher than the set value tw, the fresh air cooling module is used for cooling, the requirement can be met, the fresh air natural cooling mode is operated, the natural cold source module 231 is in a closed state, and the first fan 21 is closed; and when the temperature in the machine room 1 is higher than a set value th, loading the fresh air refrigeration module, otherwise, unloading the fresh air refrigeration module. When the fresh air refrigeration module is unloaded, the direct evaporative cooling device 42 is unloaded firstly, and when the direct evaporative cooling device 42 is shut down, the second fan 41 is unloaded until the lowest air volume requirement of the data center is met. When the second fan 41 is loaded, the second fan 41 is loaded first, and when the second fan 41 still has a loading requirement when the second fan is loaded to a full load, the direct evaporative cooling device 42 is loaded again. In this process, the second fan 41 can only be unloaded to the minimum air volume requirement of the data center.

When the outdoor air quality is good and the ambient temperature outside the machine room 1 is lower than a set value tw, the outdoor temperature is too low, if the fresh air refrigeration module is used for refrigeration, condensation can be generated in the machine room 1, and the equipment to be cooled can be possibly short-circuited; even if the fresh air refrigeration module is unloaded to the minimum air quantity requirement of the data center, the temperature in the machine room 1 is too low; at this time, a fresh air and return air natural cooling mode is operated, the first fan 21 is turned on, but the natural cold source module 231 is turned off, and the cooling capacity is adjusted by adjusting the air volume ratio of the first fan 21 and the second fan 41; and when the temperature in the machine room 1 is higher than the set value th, loading the second fan 41 and unloading the first fan 21, otherwise, unloading the second fan 41 and loading the first fan 21. Therefore, the refrigerating capacity of the fresh air refrigerating module can be reduced, and the requirement of a data center on the air quantity is met.

EXAMPLE five

Referring to fig. 5, a modular data center room system is shown, comprising a room 1, a refrigeration module and a control module 3; be equipped with in the computer lab 1 and wait to cool down the equipment, refrigeration module is including circulation refrigeration module and new trend refrigeration module, circulation refrigeration module includes first fan 21, surface cooler 22 and is used for providing the mechanical cold source module 232 of cold source for surface cooler 22. The remaining structure is adapted to the above-described features. The scheme of the fifth embodiment comprises three modes, including an all-return mechanical refrigeration mode, a fresh air natural cooling mode and a fresh-return air mixed natural cooling mode.

When the air quality outside the machine room 1 is poor or the ambient temperature outside the machine room 1 is higher than a set value tw1, only using a circulating refrigeration module to refrigerate and cool the machine room 1; the full return air mechanical refrigeration mode is used.

When the outdoor air quality is good and the ambient temperature outside the machine room 1 is lower than the set value tw1, the fresh air cooling module is used for cooling, the requirement can be met, the fresh air natural cooling mode is operated, the natural cold source module 231 is in a closed state, and the first fan 21 is closed; and when the temperature in the machine room 1 is higher than a set value th, loading the fresh air refrigeration module, otherwise, unloading the fresh air refrigeration module. When the fresh air refrigeration module is unloaded, the direct evaporative cooling device 42 is unloaded firstly, and when the direct evaporative cooling device 42 is shut down, the second fan 41 is unloaded until the lowest air volume requirement of the data center is met. When the second fan 41 is loaded, the second fan 41 is loaded first, and when the second fan 41 still has a loading requirement when the second fan is loaded to a full load, the direct evaporative cooling device 42 is loaded again. In this process, the second fan 41 can only be unloaded to the minimum air volume requirement of the data center.

When the outdoor air quality is good and the ambient temperature outside the machine room 1 is lower than a set value tw2(tw2 < tw1), the outdoor temperature is too low, if the fresh air refrigeration module is used for refrigeration, condensation can be generated in the machine room 1, and equipment to be cooled can be possibly short-circuited; even if the fresh air refrigeration module is unloaded to the minimum air quantity requirement of the data center, the temperature in the machine room 1 is too low; at this time, a fresh air and return air natural cooling mode is operated, the first fan 21 is started, but the mechanical cold source module 232 is closed, and the refrigerating capacity is adjusted by adjusting the air volume ratio of the first fan 21 and the second fan 41; and when the temperature in the machine room 1 is higher than the set value th, loading the second fan 41 and unloading the first fan 21, otherwise, unloading the second fan 41 and loading the first fan 21. Therefore, the refrigerating capacity of the fresh air refrigerating module can be reduced, and the requirement of a data center on the air quantity is met.

EXAMPLE six

Referring to fig. 6, a modular data center room system is shown, comprising a room 1, a refrigeration module and a control module 3; be equipped with in the computer lab 1 and wait to cool down the equipment, refrigeration module is including circulation refrigeration module and new trend refrigeration module, circulation refrigeration module includes first fan 21, surface cooler 22 and is used for providing mechanical cold source module 232 and the nature cold source module 231 of cold source for surface cooler 22, mechanical cold source module 232 and nature cold source module 231 insert respectively surface cooler 22. The remaining structure is adapted to the above-described features. The mechanical cold source module 232 and the natural cold source module 231 may be separate devices or may be an integrated device having both modules. The scheme of the sixth embodiment comprises four modes, including a full-return-air mixed refrigeration mode, a full-return-air mechanical refrigeration mode, a fresh air natural cooling mode and a fresh-return-air mixed natural cooling mode.

When the ambient temperature outside the machine room 1 is higher than a certain temperature set value tw1, only the mechanical cold source module 232 is turned on, the natural cooling module 231 is turned off, and the fresh air cooling module is turned off, so as to operate the full-return mechanical cooling mode.

When the outdoor air quality is poor and the ambient temperature outside the machine room 1 is lower than a certain temperature set value tw1, the mechanical cold source module 232 and the natural cooling module 231 are turned on, the fresh air cooling module is turned off, and the full-return air hybrid cooling mode is operated.

When the outdoor air quality is good and the ambient temperature outside the machine room 1 is lower than a certain temperature set value tw1, the mechanical cold source module 232 and the natural cooling module 231 are closed, the first fan 21 is closed, the fresh air cooling module is opened, and a full fresh air natural cooling mode is operated.

When the outdoor air quality is good and the ambient temperature outside the machine room 1 is lower than a set value tw2(tw2 < tw1), the outdoor temperature is too low, if the fresh air refrigeration module is used for refrigeration, condensation can be generated in the machine room 1, and equipment to be cooled can be possibly short-circuited; even if the fresh air refrigeration module is unloaded to the minimum air quantity requirement of the data center, the temperature in the machine room 1 is too low; at this time, a fresh air and return air natural cooling mode is operated, the first fan 21 is turned on, but the natural cold source module 231 and the mechanical cold source module 232 are turned off, and the cooling capacity is adjusted by adjusting the air volume ratio of the first fan 21 and the second fan 41; and when the temperature in the machine room 1 is higher than the set value th, loading the second fan 41 and unloading the first fan 21, otherwise, unloading the second fan 41 and loading the first fan 21. Therefore, the refrigerating capacity of the fresh air refrigerating module can be reduced, and the requirement of a data center on the air quantity is met.

It should be noted that the temperature set values th, tw1, tw2 in the above embodiments are not necessarily related to each other, for example, tw1 in the fifth embodiment and tw1 in the sixth embodiment may be different values, and the actual set values of th, tw1, tw2 are set according to actual needs.

The natural cold source is fully utilized, the dependence on a mechanical cold source is reduced, and the energy consumption of a refrigeration system is reduced; the refrigeration module is modularized, and different modules can be selected to form the refrigeration module according to actual conditions; on the other hand, the standardized cabinet 11 module is used as an application basis, different refrigeration modules are used as basic units, different refrigeration module combination schemes are flexibly selected according to project local climate conditions, geographic conditions, customer special requirements and the like, on the premise that the environment of the data center is stable, an outdoor natural cold source is directly or indirectly utilized to the maximum extent, and an effective and reasonable automatic control system and an operation control strategy thereof are matched, so that the consumption of mechanical cold sources, namely electric energy, can be reduced and even replaced, the operation energy consumption of the data center is reduced, and the optimal energy-saving operation effect and the highest project construction are achieved.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A modular data center machine room system comprises a machine room (1) in which equipment to be cooled is placed, a refrigeration module and a control module (3) used for controlling the refrigeration module, and is characterized in that the refrigeration module comprises at least one circulating refrigeration module, the circulating refrigeration module comprises a first fan (21), a surface air cooler (22) and a cold source module used for providing a cold source for the surface air cooler (22), a circulating air loop is arranged in the machine room, the first fan (21) is used for enabling air in the machine room (1) to flow along the circulating air loop, the circulating air loop exchanges heat and cools through the surface air cooler (22), and then the equipment to be cooled is cooled; the cool source module includes a natural cool source module (231) and/or a mechanical cool source module (232).

2. Modular data centre room system according to claim 1, further comprising first temperature sensing means for detecting the temperature in the room (1).

3. A modular data center room system according to claim 2, wherein the equipment to be cooled is disposed in a ventable cabinet (11), a partition (12) is disposed outside the cabinet (11), the cabinet (11) and the partition (12) divide the room (1) into a cold channel (13) and a hot channel (14), the circulating refrigeration module further comprises a circulating air chamber (26) disposed outside the room (1), the first fan (21) is disposed in the circulating air chamber (26), the circulating air chamber (26) is communicated with the cold channel (13) through a first air port (261) and communicated with the hot channel (14) through a second air port (262), and air in the room (1) passes through the cabinet (11) from the cold channel (13) to the hot channel (14) and then enters the circulating air chamber (26), and forming the circulating air loop.

4. Modular data centre room system according to claim 1, wherein the circulating refrigeration module further comprises an air filter (24) and a humidifier (25) arranged on the path of the circulating air circuit.

5. The modular data center machine room system according to any one of claims 1 to 4, wherein the refrigeration module further comprises a fresh air refrigeration module, the fresh air refrigeration module comprises a second fan (41) and a direct evaporative cooling device (42), and an air outlet (15) is arranged in the machine room (1); the second fan (41) sends low-temperature air outside the machine room (1) into the machine room (1), and the low-temperature air is discharged out of the machine room (1) from the air outlet (15) after the equipment to be cooled is cooled, so that a fresh air loop is formed; the direct evaporative cooling device (42) is arranged on the fresh air loop and is used for further cooling low-temperature air before entering the machine room (1).

6. The modular data center room system according to claim 3, wherein the refrigeration module further comprises a fresh air refrigeration module, the fresh air refrigeration module comprises a second fan (41) and a direct evaporative cooling device (42), and an air outlet (15) is arranged in the room (1); the fresh air refrigerating module also comprises a fresh air chamber (43), and the second fan (41) and the direct evaporative cooling device (42) are arranged in the fresh air chamber (43); the fresh air chamber (43) is communicated with the cold channel (13) through a third air opening (431), the second fan (41) sends low-temperature air outside the machine room (1) into the cold channel (13), penetrates through the cabinet (11), enters the hot channel (14) and is discharged outside the machine room (1) through the air outlet (15), and a fresh air loop is formed.

7. Modular data center room system according to claim 6, further comprising air quality detection means for detecting the air quality outside the room (1) and second temperature sensing means for detecting the temperature outside the room (1).

8. Modular data centre room system according to claim 6, characterized in that the air outlet (15), the second air opening (262) and the third air opening (431) are provided with a non-return air valve.

9. Modular data centre room system according to any of the claims 6-8, wherein the fresh air cooling module further comprises a fresh air filter (44) arranged in the fresh air circuit path.

10. The modular data center room system as claimed in claim 1, wherein the natural cold source module (231) utilizes a natural cold source for heat exchange to obtain a low-temperature medium, and the low-temperature medium is introduced into the surface air cooler (22) as a cold source to indirectly exchange heat with air in the room (1); the mechanical cold source module (232) utilizes the compressor to perform electric refrigeration to obtain a low-temperature medium, and the low-temperature medium is used as a cold source and is introduced into the surface air cooler (22) to exchange heat with air in the machine room (1).

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