CN213029060U - Indirect evaporative cooling air conditioner and data center machine room - Google Patents
Indirect evaporative cooling air conditioner and data center machine room Download PDFInfo
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- CN213029060U CN213029060U CN202022220305.7U CN202022220305U CN213029060U CN 213029060 U CN213029060 U CN 213029060U CN 202022220305 U CN202022220305 U CN 202022220305U CN 213029060 U CN213029060 U CN 213029060U
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- 238000001816 cooling Methods 0.000 title claims abstract description 130
- 238000009423 ventilation Methods 0.000 claims abstract description 9
- 238000005057 refrigeration Methods 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 239000007921 spray Substances 0.000 claims description 7
- 239000002826 coolant Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000003507 refrigerant Substances 0.000 description 37
- 239000007788 liquid Substances 0.000 description 5
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008520 organization Effects 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
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Abstract
The utility model discloses an indirect evaporative cooling air conditioner and data center computer lab, this air conditioner includes: the air conditioner comprises a case, a first air channel and a second air channel, wherein the case comprises the first air channel and the second air channel used for exchanging heat with the first air channel; the indirect evaporative cooling heat exchanger is communicated with the first air duct and the second air duct, so that the first air duct and the second air duct exchange heat; the outdoor side fan set is positioned between the indirect evaporative cooling heat exchanger and the second air outlet; the bypass air valve group is positioned on a case side plate between the indirect evaporative cooling heat exchanger and the outdoor side fan group; and the auxiliary cooling system comprises an auxiliary cooling heat exchanger positioned on the first air channel and a condenser positioned between the side ventilation valve group and the outdoor side fan group. The air conditioner is simple in structure, can save air conditioner space, and saves air conditioner manufacturing cost.
Description
Technical Field
The utility model relates to an air conditioning equipment technical field, in particular to indirect evaporative cooling air conditioner and data center computer lab.
Background
With the development of the internet information era, the load of a data center machine room is more and more, the energy consumption of the data center is gradually increased, and the aim of energy conservation is pursued by the data center. The indirect evaporative cooling air conditioner can directly utilize an outdoor cold source, has low energy consumption and is more and more favored by data centers. In the prior art, an indirect evaporative cooling air conditioner generally has an indirect evaporative cooling system and an auxiliary cooling system, the indirect evaporative cooling system exchanges heat between indoor return air and outdoor air through an indirect evaporative cooling heat exchanger, and the auxiliary cooling system can cool the indoor return air through the auxiliary cooling heat exchanger and cool a refrigerant through a condenser.
In the indirect evaporative cooling air conditioner working process, when the ambient temperature is less than the indoor temperature, can cool off indoor return air through indirect evaporative cooling system, when the ambient temperature is higher than the indoor temperature, indirect evaporative cooling system's outdoor side fan can be closed, do not carry out the heat exchange through indirect evaporative cooling heat exchanger, but cool off indoor return air through the supplementary cold heat exchanger of assisting cold system, then need inhale the refrigerant in the external air to the condenser through another group of fan at this moment and cool off, this makes indirect evaporative cooling air conditioner structure comparatively complicated, and the occupation space is big, increase the cost of manufacture of air conditioner.
SUMMERY OF THE UTILITY MODEL
The utility model provides an indirect evaporative cooling air conditioner and data center computer lab, above-mentioned indirect evaporative cooling air conditioner simple structure can save the air conditioner space to practice thrift the air conditioner cost of manufacture.
In order to achieve the above purpose, the utility model provides the following technical scheme:
an indirect evaporative cooling air conditioner comprising:
the air conditioner comprises a machine box and a control device, wherein the machine box comprises a first air channel and a second air channel used for exchanging heat with the first air channel, a first air inlet used for being communicated with a machine room air return opening and a first air outlet used for being communicated with a machine room air supply opening are respectively arranged at two ends of the first air channel, and a second air inlet and a second air outlet used for being communicated with outside air are respectively arranged at two ends of the second air channel;
the indirect evaporative cooling heat exchanger is communicated with the first air duct and the second air duct so as to enable the first air duct and the second air duct to exchange heat;
the outdoor side fan set is positioned between the indirect evaporative cooling heat exchanger and the second air outlet and comprises at least one outdoor side fan;
the bypass air valve group is positioned on a case side plate between the indirect evaporative cooling heat exchanger and the outdoor side fan group and comprises at least one bypass air valve;
and the auxiliary cooling system comprises an auxiliary cooling heat exchanger positioned on the first air channel and a condenser positioned between the side ventilation valve group and the outdoor side fan group, and the auxiliary cooling heat exchanger is communicated with the condenser.
The utility model discloses implement the indirect evaporative cooling air conditioner that provides, the load simulator comprises a case, indirect evaporative cooling heat transfer, outdoor side fan group, bypass air valve group and assist cold system, the machine case includes first wind channel and is used for the second wind channel with first wind channel heat exchange, first wind channel both ends have respectively and are used for the first air intake that communicates with the computer lab return air inlet and are used for the first air outlet that communicates with the computer lab supply-air outlet, second wind channel both ends have respectively with second air intake and the second air outlet of outside air intercommunication, indirect evaporative cooling heat exchanger all communicates with first wind channel and second wind channel, so that first wind channel carries out the heat exchange with the second wind channel, outdoor side fan group is located between indirect evaporative cooling heat exchanger and the second air outlet, bypass air valve group is located the quick-witted case curb plate between indirect evaporative cooling heat exchanger and the outdoor side fan group, assist cold system is including being located the assistance cold heat exchanger on first wind channel and being located the cold system of ventilating side between other side fan group and the outdoor side The condenser and the auxiliary cooling heat exchanger are communicated with the condenser. Because the auxiliary cooling heat exchanger is positioned on the first air channel, the bypass air valve group is positioned on the side plate of the machine case between the indirect evaporative cooling heat exchanger and the outdoor side fan group and the condenser is positioned between the bypass ventilation valve group and the outdoor side fan group, when the outdoor temperature is lower than the indoor temperature, the bypass air valve can be closed, the outdoor side fan sucks the outside air into the second air channel from the second air inlet, the indoor return air in the first air channel and the outside air in the second air channel can exchange heat through the indirect evaporative cooling heat exchanger, so that the indoor return air can be cooled by the indirect evaporative cooling system, when the outdoor temperature is higher than the indoor temperature, the bypass air valve can be opened, the outside air is sucked into the machine case through the bypass air valve by the outdoor side fan, so that the air pressure in the second air channel is increased, the outside air is not easy to enter the second air channel from the second air inlet, and the indoor return air in the first air is not exchanged heat with the outside hot air through the indirect, the auxiliary cooling heat exchanger on the first air channel is used for cooling, and air entering the case from the bypass air valve can cool the refrigerant of the condenser, so that a refrigerant circulating loop is formed between the auxiliary cooling heat exchanger and the condenser, and the auxiliary cooling system is used for cooling indoor return air. Compared with the prior art, the structure of the air conditioner does not need to be provided with a group of fans independently, can directly utilize the outdoor side fan unit to cool the refrigerant in the condenser, has simple structure, can save the space of the air conditioner, and saves the manufacturing cost of the air conditioner.
Optionally, an indoor side fan set is included and located between the first air inlet and the indirect evaporative cooling heat exchanger, and the indoor side fan set includes at least one indoor side fan.
Optionally, a ventilation air valve is arranged at the second air inlet.
Optionally, the auxiliary cooling system comprises a compressor refrigeration system and/or a chilled water refrigeration system.
Optionally, the secondary cold heat exchanger is an evaporator.
Optionally, the auxiliary cooling system further includes a coolant pump.
Optionally, a spray system is also included, the spray system including a spray nozzle located between the set of bypass air valves and the indirect evaporative cooling heat exchanger.
Optionally, the indirect evaporative cooling heat exchanger is an air-to-air heat exchanger.
Optionally, a filter screen is arranged at the first air inlet.
The utility model also provides a data center computer lab, an arbitrary indirect evaporative cooling air conditioner that provides in the above-mentioned technical scheme.
Drawings
Fig. 1 is a schematic structural diagram of an indirect evaporative cooling air conditioner according to an embodiment of the present invention;
fig. 2 is a schematic view illustrating an organization of air flow in an indirect evaporative cooling air conditioner according to an embodiment of the present invention;
fig. 3 is a schematic view illustrating an organization of air flows in an indirect evaporative cooling air conditioner according to an embodiment of the present invention.
Icon:
1-a chassis; 11-a first air inlet; 12-a first outlet; 13-a second air inlet; 14-a second air outlet; 2-indirect evaporative cooling heat exchanger; 3-a bypass air valve; 4-indoor side fan; 5-outdoor fan; 61-a compressor; 62-a condenser; 7-a nozzle; 8-a filter screen.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, the present invention provides an indirect evaporative cooling air conditioner, including:
the air conditioner comprises a case 1, wherein the case 1 comprises a first air channel and a second air channel used for exchanging heat with the first air channel, a first air inlet 11 used for being communicated with a machine room air return opening and a first air outlet 12 used for being communicated with a machine room air supply opening are respectively arranged at two ends of the first air channel, and a second air inlet 13 and a second air outlet 14 used for being communicated with outside air are respectively arranged at two ends of the second air channel;
the indirect evaporative cooling heat exchanger 2 is communicated with the first air duct and the second air duct, so that the first air duct and the second air duct exchange heat;
the outdoor side fan set is positioned between the indirect evaporative cooling heat exchanger 2 and the second air outlet 14 and comprises at least one outdoor side fan 5;
the bypass air valve group is positioned on a side plate of the case 1 between the indirect evaporative cooling heat exchanger 2 and the outdoor side fan group, and comprises at least one bypass air valve 3;
and the auxiliary cooling system comprises an auxiliary cooling heat exchanger positioned on the first air channel and a condenser positioned between the side ventilation valve group and the outdoor side fan group.
The utility model provides an indirect evaporative cooling air conditioner, including machine case 1, indirect evaporative cooling heat exchanger 2, outdoor side fan group, bypass air valve group and assist cold system, machine case 1 includes first wind channel and second wind channel for heat exchange with first wind channel, first wind channel both ends have respectively for with the first air intake 11 of computer lab return air inlet intercommunication and for with the first air outlet 12 of computer lab blast inlet intercommunication, second wind channel both ends have respectively with the second air intake 13 and the second air outlet 14 of outside air intercommunication, indirect evaporative cooling heat exchanger 2 and first wind channel and second wind channel all communicate, so that first wind channel and second wind channel carry out the heat exchange, the outdoor side fan group is located between indirect evaporative cooling heat exchanger 2 and second air outlet 14, bypass air valve group is located on the machine case 1 curb plate between indirect evaporative cooling heat exchanger 2 and the outdoor side fan group, the auxiliary cooling system comprises an auxiliary cooling heat exchanger positioned on the first air channel and a condenser 62 positioned between the side vent valve group and the outdoor side fan group, and the auxiliary cooling heat exchanger is communicated with the condenser 62. Because the auxiliary cooling heat exchanger is positioned on the first air channel, the bypass air valve group is positioned on the side plate of the case between the indirect evaporative cooling heat exchanger 2 and the outdoor fan group and the condenser is positioned between the bypass air valve group and the outdoor fan group, when the outdoor temperature is lower than the indoor temperature, the bypass air valve 3 can be closed, the outdoor fan 5 sucks the outside air into the second air channel from the second air inlet 13, as shown in figure 2, an arrow A is the airflow direction in the first air channel when the bypass air valve 3 is closed, an arrow B is the airflow direction in the second air channel when the bypass air valve 3 is closed, the indoor return air in the first air channel and the outside air in the second air channel can exchange heat through the indirect evaporative cooling heat exchanger 2, the cooling of the indoor return air by the indirect evaporative cooling system is realized, and when the outdoor temperature is higher than the indoor temperature, the bypass air valve 3 can be opened, the outdoor fan 5 sucks the outside air into the case 1 through the bypass air valve 3, the air pressure in the second air duct is raised, the external air is not easy to enter the second air duct from the second air inlet 13, as shown in fig. 3, the arrow E is the air flow direction in the first air duct when the bypass air valve 3 is opened, the arrow F is the air flow direction in the second air duct when the bypass air valve 3 is opened, the indoor return air in the first air duct does not exchange heat with the external hot air through the indirect evaporative cooling heat exchanger 2, but is cooled through the auxiliary cooling heat exchanger on the first air duct, and the air entering the cabinet 1 from the bypass air valve 3 can cool the refrigerant flowing through the condenser 62, so that a refrigerant circulation loop is formed between the auxiliary cooling heat exchanger and the condenser 62, and the cooling of the indoor return air by the auxiliary cooling system is realized, compared with the prior art, a set of fans is not required to be separately arranged, and the refrigerant in the condenser can be directly cooled by the outdoor side fan set, the structure is simple, the air conditioner space can be saved, and the manufacturing cost of the air conditioner is saved.
In a specific embodiment, the indirect evaporative cooling air conditioner further comprises an indoor side fan set located between the first air inlet 11 and the indirect evaporative cooling heat exchanger 2, and the indoor side fan set comprises at least one indoor side fan 4. The indoor side fan unit can inhale the return air in computer lab return air inlet department in the first wind channel.
In a specific embodiment, the second air inlet 13 may be provided with a ventilation air valve, when the outdoor temperature is lower than the indoor temperature, and when the indirect evaporative cooling heat exchanger 2 performs heat exchange on the indoor return air, the ventilation air valve may be opened, so that the outdoor air enters the second air duct from the second air inlet 13 to perform heat exchange with the indoor return air, and when the outdoor temperature is higher than the indoor temperature, the ventilation air valve may be closed, so that the outdoor air cannot enter the second air duct through the second air inlet 13, and the indoor return air performs heat exchange with the refrigerant in the auxiliary cooling heat exchanger in the first air duct.
The number of indoor fans 4 in the indoor fan unit, the number of outdoor fans 5 in the outdoor fan unit, and the number of bypass air valves 3 in the bypass vent valve unit are not shown here, and may be set according to actual conditions.
In the above indirect evaporative cooling air conditioner, the auxiliary cooling system may be a compressor refrigeration system and/or a chilled water refrigeration system.
Specifically, as shown in fig. 1, the compressor refrigeration system may include an evaporator, a compressor 61, and a condenser 62, the evaporator, the compressor 61, and the condenser 62 are communicated to form a circulation loop of refrigerant, and the auxiliary cooling heat exchanger is an evaporator. Indoor return air in the first air channel can exchange heat with a refrigerant in the evaporator to cool the indoor return air by the compressor refrigeration system, and the external air in the second air channel can cool the refrigerant passing through the condenser 62 to form refrigerant liquid which enters the evaporator to absorb heat circularly. The number of evaporators, the number of compressors 61, and the number of condensers 62 are not limited herein, and may be determined according to actual circumstances. In a specific implementation manner, the compressor refrigeration system may further include a refrigerant pump, the evaporator, the compressor, and the condenser are sequentially communicated to form a refrigerant circulation loop, and the refrigerant pump may be connected in parallel with the evaporator, so that a plurality of refrigeration modes can be implemented.
Specifically, the auxiliary cooling system can be a chilled water refrigeration system, the chilled water refrigeration system can comprise a chilled water unit, a water-cooled heat exchanger, an evaporator, a condenser and a refrigerant pump, wherein the evaporator, the condenser, the water-cooled heat exchanger and the refrigerant pump can be sequentially communicated to form a circulation loop of a refrigerant, the chilled water unit is communicated with the water-cooled heat exchanger, and the auxiliary heat exchanger is an evaporator. Indoor return air in the first air duct can exchange heat through the refrigerant with in the evaporimeter, realizes the cooling of refrigerated water refrigerating system to indoor return air to, the outside air in the second air duct can cool off the refrigerant through the condenser and the refrigerated water unit can cool off the refrigerant through water-cooled heat exchanger, forms refrigerant liquid, and the refrigerant pump can drive refrigerant liquid entering evaporimeter circulation heat absorption.
Specifically, the auxiliary cooling system can also simultaneously comprise a compressor refrigerating system and a chilled water refrigerating system, the auxiliary cooling system can specifically comprise an evaporator, a compressor, a condenser, a water-cooling heat exchanger and a chilled water unit, the evaporator, the compressor, the condenser and the water-cooling heat exchanger are sequentially communicated to form a circulation loop of a refrigerant, and the chilled water unit can be communicated with the water-cooling heat exchanger. Indoor return air in the first wind channel can be through carrying out the heat transfer with the refrigerant in the evaporimeter, realizes assisting the cooling of cold system to indoor return air, and the compressor can be to the refrigerant gas compression of process, and the outside air in the second wind channel can cool off the refrigerant through the condenser and the refrigerated water unit can cool off the refrigerant through water-cooled heat exchanger, forms refrigerant liquid, and refrigerant liquid reentrant evaporimeter circulation heat absorption. In a specific implementation manner, the auxiliary cooling system may further include a refrigerant pump, the refrigerant pump may be located between the water-cooled heat exchanger and the evaporator, and the refrigerant pump and the compressor may have bypass pipelines, respectively, so that various refrigeration modes can be implemented.
In a specific implementation manner, the indirect evaporative cooling air conditioner may further include a spraying system, the spraying system includes a nozzle 7 located between the bypass valve bank and the indirect evaporative cooling heat exchanger 2, and when the indirect evaporative cooling heat exchanger 2 is used for performing heat exchange between the indoor return air in the first air duct and the external air in the second air duct, the air in the second air duct can be cooled by spray water sprayed from the nozzle 7, so that the indoor return air in the first air duct and the air in the second air duct perform better heat exchange.
In a particular embodiment, the indirect evaporative cooling heat exchanger 2 is an air-to-air heat exchanger.
In a specific implementation mode, the first air inlet 11 may be provided with a filter screen 8, so as to filter out impurities in the indoor return air, and prevent the impurities from entering the case 1 and affecting the operation of the air conditioner.
Above-mentioned indirect evaporative cooling air conditioner can carry out the heat exchange through the cold air of external environment and the inside hot-air of computer lab in indirect evaporative cooling heat exchanger 2 winter, takes away the computer lab heat, reaches the purpose of cooling computer lab hot-air. In spring or autumn, the heat exchange amount is reduced along with the rise of outdoor temperature, and the sufficient refrigerating capacity of the air conditioner is ensured by auxiliary refrigeration through the gasification of spray water. In summer, the outdoor temperature is higher than the indoor return air temperature, at this time, the refrigeration can be carried out through the auxiliary cooling system, the bypass air valve 3 on the case 1 is opened, so that the outdoor air enters the case 1 through the bypass air valve 3, the external air is not easy to enter the second air channel through the second air inlet 13, the indoor return air in the first air channel does not exchange heat with the external hot air through the indirect evaporative cooling heat exchanger 2 any more, but is cooled through the auxiliary cooling heat exchanger on the first air channel, and the air entering the case 1 from the bypass air valve 3 can cool the refrigerant passing through the condenser 62, so that a refrigerant circulation loop is formed between the auxiliary cooling heat exchanger and the condenser 62.
The utility model also provides a data center computer lab, an arbitrary indirect evaporative cooling air conditioner that provides in the above-mentioned technical scheme.
It will be apparent to those skilled in the art that various changes and modifications may be made to the embodiments of the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. An indirect evaporative cooling air conditioner, comprising:
the air conditioner comprises a machine box and a control device, wherein the machine box comprises a first air channel and a second air channel used for exchanging heat with the first air channel, a first air inlet used for being communicated with a machine room air return opening and a first air outlet used for being communicated with a machine room air supply opening are respectively arranged at two ends of the first air channel, and a second air inlet and a second air outlet used for being communicated with outside air are respectively arranged at two ends of the second air channel;
the indirect evaporative cooling heat exchanger is communicated with the first air duct and the second air duct so as to enable the first air duct and the second air duct to exchange heat;
the outdoor side fan set is positioned between the indirect evaporative cooling heat exchanger and the second air outlet and comprises at least one outdoor side fan;
the bypass air valve group is positioned on a case side plate between the indirect evaporative cooling heat exchanger and the outdoor side fan group and comprises at least one bypass air valve;
and the auxiliary cooling system comprises an auxiliary cooling heat exchanger positioned on the first air channel and a condenser positioned between the side ventilation valve group and the outdoor side fan group, and the auxiliary cooling heat exchanger is communicated with the condenser.
2. The indirect evaporative cooling air conditioner of claim 1, comprising an indoor side fan stack located between the first air inlet and the indirect evaporative cooling heat exchanger, the indoor side fan stack comprising at least one indoor side fan.
3. The indirect evaporative cooling air conditioner of claim 1, wherein a vent damper is provided at the second air inlet.
4. The indirect evaporative cooling air conditioner of claim 1, wherein the auxiliary cooling system comprises a compressor refrigeration system and/or a chilled water refrigeration system.
5. The indirect evaporative cooling air conditioner of claim 4, wherein the secondary cooling heat exchanger is an evaporator.
6. The indirect evaporative cooling air conditioner of claim 1, wherein the auxiliary cooling system further comprises a coolant pump.
7. The indirect evaporative cooling air conditioner of claim 1, further comprising a spray system comprising spray nozzles located between the set of bypass air valves and the indirect evaporative cooling heat exchanger.
8. The indirect evaporative cooling air conditioner of claim 1, wherein the indirect evaporative cooling heat exchanger is an air-to-air heat exchanger.
9. The indirect evaporative cooling air conditioner of claim 1, wherein a filter screen is provided at the first air inlet.
10. A data center room comprising the indirect evaporative cooling air conditioner of any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022220305.7U CN213029060U (en) | 2020-09-30 | 2020-09-30 | Indirect evaporative cooling air conditioner and data center machine room |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022220305.7U CN213029060U (en) | 2020-09-30 | 2020-09-30 | Indirect evaporative cooling air conditioner and data center machine room |
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| Publication Number | Publication Date |
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| CN213029060U true CN213029060U (en) | 2021-04-20 |
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| CN202022220305.7U Active CN213029060U (en) | 2020-09-30 | 2020-09-30 | Indirect evaporative cooling air conditioner and data center machine room |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114126359A (en) * | 2021-11-11 | 2022-03-01 | 广东海悟科技有限公司 | Container type indirect evaporative cooling unit |
| WO2022156547A1 (en) * | 2021-01-25 | 2022-07-28 | 华为数字能源技术有限公司 | Cooling system and data center |
-
2020
- 2020-09-30 CN CN202022220305.7U patent/CN213029060U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022156547A1 (en) * | 2021-01-25 | 2022-07-28 | 华为数字能源技术有限公司 | Cooling system and data center |
| US12089377B2 (en) | 2021-01-25 | 2024-09-10 | Huawei Digital Power Technologies Co., Ltd. | Cooling system and data center |
| CN114126359A (en) * | 2021-11-11 | 2022-03-01 | 广东海悟科技有限公司 | Container type indirect evaporative cooling unit |
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