CN112097354A - Cooling system and cooling method for data center machine room - Google Patents
Cooling system and cooling method for data center machine room Download PDFInfo
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- CN112097354A CN112097354A CN202010974861.5A CN202010974861A CN112097354A CN 112097354 A CN112097354 A CN 112097354A CN 202010974861 A CN202010974861 A CN 202010974861A CN 112097354 A CN112097354 A CN 112097354A
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- 238000001816 cooling Methods 0.000 title claims abstract description 98
- 239000007789 gas Substances 0.000 claims abstract description 42
- 230000005540 biological transmission Effects 0.000 claims abstract description 17
- 239000002918 waste heat Substances 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 29
- 238000000034 method Methods 0.000 claims description 21
- 238000005507 spraying Methods 0.000 claims description 17
- 239000013589 supplement Substances 0.000 claims description 10
- 238000007599 discharging Methods 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 6
- 230000001502 supplementing effect Effects 0.000 claims description 4
- 239000007921 spray Substances 0.000 description 16
- 238000005057 refrigeration Methods 0.000 description 9
- 239000012528 membrane Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000003749 cleanliness Effects 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
- F24F5/001—Compression cycle type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
- F24F5/0035—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning using evaporation
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20709—Modifications to facilitate cooling, ventilating, or heating for server racks or cabinets; for data centers, e.g. 19-inch computer racks
- H05K7/208—Liquid cooling with phase change
- H05K7/20827—Liquid cooling with phase change within rooms for removing heat from cabinets, e.g. air conditioning devices
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- Sustainable Development (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
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Abstract
The cooling system for the data center machine room comprises a gas heat exchange chamber, wherein the gas heat exchange chamber is provided with an air inlet and an air return inlet; the air inlet is used for allowing outdoor fresh air to enter the gas heat exchange chamber, and the air return inlet is used for allowing hot air in the data center machine room to enter the gas heat exchange chamber; the cooling system also comprises a wet film and a heat exchanger, wherein the wet film is positioned in the gas heat exchange chamber and is opposite to the air inlet; the wet film is configured to cool the outdoor fresh air and form first cold air; the heat exchanger is arranged in the gas heat exchange chamber and is configured to perform cold quantity transmission on the first cold air and the hot air, the hot air becomes second cold air after the cold quantity transmission and enters a data center machine room, and the first cold air becomes waste heat air and is discharged from the gas heat exchange chamber.
Description
Technical Field
The disclosure relates to the technical field of indoor air cooling, and more particularly, to a cooling system and a cooling method for a data center machine room.
Background
The heat productivity is huge when data center computer lab equipment moves, in order to guarantee the normal operating of equipment, need cool down the data center computer lab, makes it keep under stable temperature and humidity. In the prior art, when the data center machine room is cooled, the outdoor fresh air is evaporated and cooled by adopting a mode of directly spraying the spray water on the outdoor fresh air, the cooling method has the advantages that the water consumption is high, the outdoor fresh air entering the heat exchange equipment can greatly influence the performance of the heat exchange equipment if water scales, the heat exchange equipment can be damaged in serious conditions, and the maintenance cost is greatly increased.
In view of the above, a new technical solution is needed to solve the above technical problems.
Disclosure of Invention
An object of the present disclosure is to provide a new technical solution for a cooling system and a cooling method for a data center room.
According to a first aspect of the present disclosure, there is provided a cooling system for a data center room, the cooling system for a data center room comprising:
the gas heat exchange chamber is provided with an air inlet and an air return inlet;
the air inlet is used for allowing outdoor fresh air to enter the gas heat exchange chamber, and the air return inlet is used for allowing hot air in the data center machine room to enter the gas heat exchange chamber;
the wet film is positioned in the gas heat exchange chamber and is opposite to the air inlet; the wet film is configured to cool the outdoor fresh air and form first cold air;
the heat exchanger is arranged in the gas heat exchange chamber and is configured to perform cold quantity transmission on the first cold air and the hot air, the hot air becomes second cold air after the cold quantity transmission and enters a data center machine room, and the first cold air becomes waste heat air and is discharged from the gas heat exchange chamber.
Optionally, a humidifying water pump and a spraying device are arranged in the gas heat exchange chamber, and the humidifying water pump is used for providing spraying water for the spraying device; the spraying device is used for spraying and cooling the wet film.
Optionally, the heat exchanger includes at least a first heat exchanger and a second heat exchanger, and the first heat exchanger is connected in series with the second heat exchanger.
Optionally, an additional cooling component is further disposed in the gas heat exchange chamber, and the additional cooling component is configured to cool the second cold air before the second cold air enters the data center machine room.
Optionally, the subcooling component comprises a subcooling evaporator, a subcooling compressor, and a subcooling condenser.
Optionally, the heat exchanger is provided with a cold air outlet for discharging the second cold air and a hot air outlet for discharging the waste heat air; the cold supplementing evaporator is arranged corresponding to the cold air outlet, and the cold supplementing condenser is arranged corresponding to the hot air outlet.
According to a second aspect of the present disclosure, there is provided a cooling method employing the cooling system according to the first aspect, the method including:
cooling the outdoor fresh air by using the wet film and forming first cold air;
cold energy is transferred between the first cold air and the hot air by using a heat exchanger, and the hot air becomes second cold air after the cold energy is transferred;
and in a first state, refrigerating the data center machine room by using the second cold air.
Optionally, before the second cooling air is used for cooling the data center room, the method further includes:
and filtering and purifying the second cold air.
Optionally, the cooling system further comprises a cold supplement assembly; the method further comprises the following steps:
in a second state, cooling the second cold air by using the cold supplement assembly and forming third cold air;
and refrigerating the data center machine room by using the third cold air.
Optionally, before the data center room is cooled by the third cool air, the method further includes:
and filtering and purifying the third cold air.
Optionally, the heat exchanger includes at least a first heat exchanger and a second heat exchanger, and the first heat exchanger is connected in series with the second heat exchanger;
the cold quantity transmission of the first cold air and the hot air by using the heat exchanger comprises the following steps:
and the first heat exchanger is used for carrying out first cold quantity transmission on the first cold air and the hot air, and the second heat exchanger is used for carrying out second cold quantity transmission on the first cold air and the hot air.
In the cooling system for the data center machine room provided by the embodiment of the disclosure, spray water is not directly sprayed to outdoor fresh air, but is sprayed to a wet film, so that on one hand, spray water can be saved; on the other hand, the water scale generated by the spray water can be prevented from being brought into the heat exchanger by outdoor fresh air to damage the heat exchanger. Adopt wet membrane to carry out direct evaporation cooling to outdoor new trend, the spray water directly sprays on wet membrane, and the heat exchanger is pure dry mode heat transfer, does not carry out direct contact with water, avoids producing the incrustation scale in the heat exchanger, and the incrustation scale mainly produces in wet membrane, just can avoid the influence of incrustation scale to the heat exchange efficiency and the durability of heat exchanger completely through the wet membrane of periodic replacement.
Other features of the present disclosure and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the disclosure and together with the description, serve to explain the principles of the disclosure.
Fig. 1 is a schematic structural diagram of a cooling system for a data center machine room according to the present disclosure.
Detailed Description
Various exemplary embodiments of the present disclosure will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present disclosure unless specifically stated otherwise.
The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the disclosure, its application, or uses.
Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.
In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
The embodiment of the present disclosure provides a cooling system for a data center machine room, and referring to fig. 1, the cooling system for a data center machine room includes a gas heat exchange chamber 101, where the gas heat exchange chamber 101 is provided with an air inlet 102 and an air return opening 103; the air inlet 102 is used for allowing outdoor fresh air to enter the gas heat exchange chamber 101, and the air return port 103 is used for allowing hot air in a data center machine room to enter the gas heat exchange chamber 101; the cooling system for the data center machine room further comprises a wet film 104 and a heat exchanger, wherein the wet film 104 is located in the gas heat exchange chamber 101, and the wet film 104 is arranged opposite to the air inlet 102; the wet film 104 is configured to cool the outdoor fresh air and form a first cool air; the heat exchanger is arranged in the gas heat exchange chamber 101, and is configured to perform cold quantity transmission on the first cold air and the hot air, after the cold quantity transmission, the hot air becomes second cold air and enters a data center machine room, and the first cold air becomes waste heat air and is discharged out of the gas heat exchange chamber 101.
In the cooling system provided by the embodiment of the disclosure, after entering the gas heat exchange chamber 101 from the air inlet 102, the outdoor fresh air firstly passes through the wet film 104, the wet film 104 is made of a polymer composite material, and has extremely strong water absorption and good self-cleaning capability, the wet film 104 can provide a large contact area between the outdoor fresh air and the surface thereof, and when the outdoor fresh air passes through the wet film 104, moisture in the wet film 104 can fully absorb heat of the outdoor fresh air to be vaporized and evaporated, so that the outdoor fresh air achieves the purpose of humidification, and in the humidification process, the humidity of the outdoor fresh air is increased, and the temperature is reduced to form first cold air. Therefore, after the outdoor fresh air (namely, the first cold air) which is humidified and cooled by the wet film 104 enters the heat exchanger, the outdoor fresh air can be subjected to good indirect evaporative cooling with the hot air which is generated in the data center machine room and enters the heat exchanger through the air return opening 103, in the indirect evaporative cooling process, the first cold air and the hot air generate heat exchange, the cold energy is transmitted to the hot air by the first cold air, the cooling temperature of the hot air is reduced, the second cold air is formed, and the second cold air returns to the data center machine room to cool the data center machine room. In the process of cooling the data center machine room, the outdoor fresh air does not directly enter the data center machine room, but only the cold quantity of the outdoor fresh air is utilized, so that the dust and impurities in the outdoor fresh air are prevented from being brought into the data center machine room to pollute the data center machine room. In addition, in the cooling system provided by the embodiment of the disclosure, the spray water is not directly sprayed to the outdoor fresh air, but is sprayed to the wet film 104, so that on one hand, the spray water can be saved; on the other hand, the water scale generated by the spray water can be prevented from being brought into the heat exchanger by outdoor fresh air to damage the heat exchanger. Adopt wet membrane 104 to carry out direct evaporation cooling to outdoor new trend, spray water directly sprays on wet membrane 104, and the heat exchanger is pure dry mode heat transfer, does not carry out direct contact with water, avoids producing the incrustation scale in the heat exchanger, and the incrustation scale mainly produces in wet membrane, just can avoid the influence of incrustation scale to the heat exchange efficiency and the durability of heat exchanger completely through regularly changing wet membrane. In addition, in the cooling system provided by the embodiment of the disclosure, the indirect evaporative cooling unit adopting the wet film realizes the unilateral air intake and exhaust of the fresh air channel and the return air channel, and is different from the bilateral or multilateral air intake and exhaust mode of the fresh air channel and the return air channel of the traditional indirect evaporative cooling unit.
In one embodiment, a humidifying water pump 105 and a spraying device are arranged in the gas heat exchange chamber 101, and the humidifying water pump 105 is used for providing spraying water for the spraying device; the spraying device is used for spraying and cooling the wet film 104.
In this specific example, the wet film 104 is sprayed with water by a spray device for humidification and cooling, and the spray device is supplied with water for spraying by a humidification water pump 105. Wherein, because the spray device is required to spray moisture for the wet film 104, the spray device is required to be arranged near the wet film 104; the humidifying water pump 105 is arranged at a flexible position and can be arranged at any vacant position in the gas heat exchange chamber 101.
In one embodiment, the heat exchanger comprises at least a first heat exchanger 106 and a second heat exchanger 107, the first heat exchanger 106 being connected in series with the second heat exchanger 107.
In this specific example, at least two heat exchangers, that is, the first heat exchanger 106 and the second heat exchanger 107 are connected in series to form the heat exchanger, so that the heat exchange area between the first cold air and the hot air can be increased, the heat exchange capability of the heat exchanger is improved, and a better heat exchange effect is obtained.
In one embodiment, an additional cooling assembly is further disposed in the gas heat exchange chamber 101, and the additional cooling assembly is configured to cool the second cool air before the second cool air enters the data center room.
In this specific example, owing to adopted the benefit cold subassembly to carry out further cooling to the second cold wind, consequently can produce better cooling refrigeration effect to the data center computer lab. Preferably, the cold supplement assembly adopts environment-friendly cold supplement refrigerant, and the environment-friendly cold supplement refrigerant has the characteristics of cleanness, environment friendliness, high efficiency, energy conservation and good refrigeration effect.
Further, in one embodiment, the supplementary cooling assembly includes a supplementary cooling evaporator 108, a supplementary cooling compressor 109, and a supplementary cooling condenser 110.
Specifically, the supplementary cooling evaporator 108 is one of the components of the supplementary cooling assembly, wherein the low-temperature condensed liquid exchanges heat with the external air through the supplementary cooling evaporator 108, and the condensed liquid is gasified to absorb heat, so as to achieve the refrigeration effect. The supplementary cooling condenser 110 is another component of the supplementary cooling assembly, which is one of the heat exchangers, and can convert gas or vapor into liquid and transfer heat to the air at a fast speed, and the operation process of the supplementary cooling condenser 110 is a heat releasing process. The make-up compressor 109 is yet another component of the make-up assembly that inputs electrical power through the make-up compressor 109 to reject heat from a low temperature environment to a high temperature environment.
In one embodiment, further, the heat exchanger is provided with a cold air outlet for discharging the second cold air and a hot air outlet for discharging the waste heat air; the cold compensation evaporator 108 is arranged corresponding to the cold air outlet, and the cold compensation condenser 110 is arranged corresponding to the hot air outlet. The arrangement position of the cold compensation compressor 109 is flexible, and the cold compensation compressor can be arranged at any vacant position in the gas heat exchange chamber 101.
Specifically, on one hand, before the second cold air is discharged from the cold air outlet and enters the data center machine room, the second cold air passes through the supplementary cooling evaporator 108, so that the supplementary cooling evaporator 108 can further cool the second cold air; on the other hand, the supplementary cooling condenser 110 is disposed corresponding to the hot air outlet, so that heat dissipated by the supplementary cooling condenser 110 during operation can be discharged out of the gas heat exchange chamber 101 together with waste heat air. It can be understood that, besides the air inlet 102 and the air return 103, the air heat exchange chamber 101 is further provided with an air inlet 111 for allowing the second cool air to enter the data center room and an air outlet 112 for allowing the waste heat air to exit the air heat exchange chamber 101. In one embodiment, further, a blower 113 is disposed in the gas heat exchange chamber 101 corresponding to the blower port 111, and the blower 113 is disposed to help accelerate the second cool air to enter the data center room. In one embodiment, further, an exhaust fan 114 is disposed in the gas heat-exchange chamber 101 corresponding to the exhaust outlet 112, and the exhaust fan 114 can help accelerate the promotion of the exhaust of the waste heat air out of the gas heat-exchange chamber 101.
Another embodiment of the present disclosure also provides a cooling method using the cooling system as described above, the method including: cooling the outdoor fresh air by using the wet film 104 and forming first cold air; cold energy is transferred between the first cold air and the hot air by using a heat exchanger, and the hot air becomes second cold air after the cold energy is transferred; and in a first state, refrigerating the data center machine room by using the second cold air.
In the cooling method of this embodiment, the first state may be understood as that after the wet film 104 is used to cool the outdoor fresh air and form the first cool air, the temperature of the first cool air is sufficient to meet the temperature required for cooling the data center machine room, for example, in winter; the first state can also be understood as the state that the temperature of outdoor fresh air is lower.
In one embodiment, further before the cooling the data center room with the second cool air, the method further includes: and filtering and purifying the second cold air.
In the specific example, the second cold air is firstly filtered and purified, and then the second cold air is sent into the data center machine room to cool the data center machine room, so that the cleanliness of the air in the data center machine room can be ensured.
In one embodiment, further, the cooling system further comprises an aftercooling assembly; the method further comprises the following steps: in a second state, cooling the second cold air by using the cold supplement assembly and forming third cold air; and refrigerating the data center machine room by using the third cold air.
In this specific example, the second state may be understood as a case where, after the wet film 104 is used to cool the outdoor fresh air and form the first cool air, the temperature of the first cool air is not enough to meet the temperature required by the data center machine room for refrigeration, and the electric refrigeration auxiliary refrigeration needs to be performed, that is, the cooling compensation assembly is turned on, for example, in summer; the second state can also be understood as the state that the temperature of the outdoor fresh air is higher, the outdoor fresh air is cooled to a proper temperature only through the wet film 104, and the hot air coming out of the data center machine room is not cooled enough, so that electric refrigeration auxiliary refrigeration needs to be carried out, namely, the cold supplement component is started to supplement refrigeration, and the second cold air is cooled again. In the second state, firstly, the wet film 104 is used for cooling the outdoor fresh air to obtain first cold air; the first cold air is used for transferring cold quantity to hot air coming out of the data center machine room through the heat exchanger and enabling the hot air to form second cold air, and the first cold air is regarded as a first heat exchange and cooling process. The temperature of the second cold air formed in the first heat exchange and cooling process is not enough to meet the temperature requirement for refrigerating the data center machine room, so that the second cold air needs to be cooled by the cold supplement assembly and forms third cold air, and the data center machine room is refrigerated by the third cold air.
In one embodiment, further before the cooling the data center room with the third cool air, the method further includes: and filtering and purifying the third cold air.
In the specific example, the third cold air is firstly filtered and purified, and then the third cold air is sent into the data center machine room to cool the data center machine room, so that the cleanliness of the air in the data center machine room can be ensured.
In one embodiment, further, the heat exchanger includes at least a first heat exchanger 106 and a second heat exchanger 107, the first heat exchanger 106 is connected in series with the second heat exchanger 107;
the cold quantity transmission of the first cold air and the hot air by using the heat exchanger comprises the following steps:
the first heat exchanger 106 is used for carrying out first cold quantity transmission on the first cold air and the hot air, and the second heat exchanger 107 is used for carrying out second cold quantity transmission on the first cold air and the hot air.
In this specific example, the heat exchanger includes a first heat exchanger 106 and a second heat exchanger 107 connected in series, so that the first cool air and the hot air from the data center room can be indirectly cooled by evaporation twice in the first heat exchanger 106 and the second heat exchanger 107, respectively, so that the heat exchange effect between the first cool air and the hot air is better.
Although some specific embodiments of the present disclosure have been described in detail by way of example, it should be understood by those skilled in the art that the foregoing examples are for purposes of illustration only and are not intended to limit the scope of the present disclosure. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the present disclosure. The scope of the present disclosure is defined by the appended claims.
Claims (11)
1. A cooling system for a data center room, comprising:
the gas heat exchange device comprises a gas heat exchange chamber (101), wherein the gas heat exchange chamber (101) is provided with an air inlet (102) and an air return inlet (103);
the air inlet (102) is used for allowing outdoor fresh air to enter the gas heat exchange chamber (101), and the air return inlet (103) is used for allowing hot air in the data center machine room to enter the gas heat exchange chamber (101);
the wet film (104), the wet film (104) is positioned in the gas heat exchange chamber (101), and the wet film (104) is arranged opposite to the air inlet (102); the wet film (104) is configured to cool the outdoor fresh air and form first cold air;
the heat exchanger is arranged in the gas heat exchange chamber (101), cold energy transmission is carried out on the first cold air and the hot air through the heat exchanger, the hot air becomes second cold air after the cold energy transmission and enters a data center machine room, and the first cold air becomes waste heat air and is discharged out of the gas heat exchange chamber (101).
2. The cooling system for the data center machine room according to claim 1, wherein a humidifying water pump (105) and a spraying device are arranged in the gas heat exchange chamber (101), and the humidifying water pump (105) is used for providing spraying water for the spraying device; the spraying device is used for spraying and cooling the wet film (104).
3. Cooling system for a data centre room according to claim 1, characterized in that the heat exchangers comprise at least a first heat exchanger (106) and a second heat exchanger (107), the first heat exchanger (106) being connected in series with the second heat exchanger (107).
4. The cooling system for a data center machine room according to claim 1, wherein an additional cooling assembly is further disposed in the gas heat exchange chamber (101), and the additional cooling assembly is configured to cool the second cool air before the second cool air enters the data center machine room.
5. The cooling system for a data center room according to claim 4, wherein the supplementary cooling assembly comprises a supplementary cooling evaporator (108), a supplementary cooling compressor (109) and a supplementary cooling condenser (110).
6. The cooling system for the data center machine room according to claim 5, wherein the heat exchanger is provided with a cold air outlet for discharging the second cold air and a hot air outlet for discharging the waste heat air; the cold supplementing evaporator (108) is arranged corresponding to the cold air outlet, and the cold supplementing condenser (110) is arranged corresponding to the hot air outlet.
7. A cooling method using the cooling system according to any one of claims 1 to 6, characterized in that the method comprises:
cooling the outdoor fresh air by using the wet film (104) and forming first cold air;
cold energy is transferred between the first cold air and the hot air by using a heat exchanger, and the hot air becomes second cold air after the cold energy is transferred;
and in a first state, refrigerating the data center machine room by using the second cold air.
8. The cooling method according to claim 7, wherein before cooling the data center room with the second cool air, the method further comprises:
and filtering and purifying the second cold air.
9. The cooling method of claim 7, wherein the cooling system further comprises a supplementary cooling assembly; the method further comprises the following steps:
in a second state, cooling the second cold air by using the cold supplement assembly and forming third cold air;
and refrigerating the data center machine room by using the third cold air.
10. The cooling method of claim 9, wherein prior to cooling the data center room with the third cool air, the method further comprises:
and filtering and purifying the third cold air.
11. A cooling method according to claim 7, characterized in that the heat exchangers comprise at least a first heat exchanger (106) and a second heat exchanger (107), the first heat exchanger (106) being connected in series with the second heat exchanger (107);
the cold quantity transmission of the first cold air and the hot air by using the heat exchanger comprises the following steps:
and the first heat exchanger (106) is used for carrying out first cold quantity transmission on the first cold air and the hot air, and the second heat exchanger (107) is used for carrying out second cold quantity transmission on the first cold air and the hot air.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112097353A (en) * | 2020-09-16 | 2020-12-18 | 河北秦淮数据有限公司 | Cooling system and cooling method for data center machine room |
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| CN213687078U (en) * | 2020-09-16 | 2021-07-13 | 河北秦淮数据有限公司 | Cooling system for data center machine room |
| CN213687079U (en) * | 2020-09-16 | 2021-07-13 | 河北秦淮数据有限公司 | Cooling system for data center machine room |
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