CN113242675B - Data computer lab environmental conditioning system and data computer lab - Google Patents
Data computer lab environmental conditioning system and data computer lab Download PDFInfo
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- CN113242675B CN113242675B CN202110511246.5A CN202110511246A CN113242675B CN 113242675 B CN113242675 B CN 113242675B CN 202110511246 A CN202110511246 A CN 202110511246A CN 113242675 B CN113242675 B CN 113242675B
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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
- H05K7/20718—Forced ventilation of a gaseous coolant
- H05K7/20745—Forced ventilation of a gaseous coolant within rooms for removing heat from cabinets, e.g. by air conditioning device
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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
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
- H05K7/20145—Means for directing air flow, e.g. ducts, deflectors, plenum or guides
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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
- H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
Abstract
The application relates to the technical field of data machine room environment regulation, and discloses a data machine room environment regulation system and a data machine room. Data computer lab environmental conditioning system, including refrigeration heat transfer group, humidification heat transfer group, dehumidification heat transfer group, first passageway and second passageway, gas in the computer lab passes through first passageway is derived, process: refrigeration heat transfer group carries out the heat exchange, or, humidification heat transfer group carries out the heat transfer, or, dehumidification heat transfer group carries out the heat transfer, or, carries out the heat transfer through dehumidification heat transfer group and refrigeration heat transfer group, or, carries out the heat transfer through humidification heat transfer group and refrigeration heat transfer group, and the gas of deriving through first passageway is in sending back the computer lab through the second passageway after aforementioned heat transfer is handled. Compared with the prior art, the system can realize the self-circulation of the gas in the machine room through the first channel and the second channel, so as to refrigerate, humidify or dehumidify the machine room, and does not introduce new outdoor gas, thereby avoiding the introduction of dust, and the system has simple structure and is suitable for being popularized and used in a large range.
Description
Technical Field
The application relates to the field of data computer room environment regulation, in particular to a data computer room environment regulation system and a data computer room.
Background
Electronic equipment in a data center has large heat productivity, and generally needs cooling all the year round to maintain the efficient operation of the electronic equipment so as to adjust the ambient temperature and humidity in the data center, control the inlet air temperature between cabinets in the data center within the range of 18-27 ℃, control the relative humidity within the range of 40-70%, and control the temperature change rate to be less than 5 ℃/h. On the other hand, the environment of the machine room requires higher cleanliness, and the number of suspended particles larger than or equal to 0.5 micrometer in each cubic meter of air is less than 1760 ten thousand. The data computer lab environmental conditioning can be carried out to the refrigeration air conditioner of vapor compression formula among the prior art usually, can consume a large amount of electric energy in its operation process, and the dehumidification principle of refrigeration air conditioner of vapor compression formula is: the surface temperature of the evaporator is reduced to be lower than the dew point temperature of air, and because the temperature is too low at the moment, an electric heater is often required to be arranged to reheat the supplied air, so that cold and heat offset occurs, energy is further wasted, and the concept of energy-saving development of a data center is not met; in addition, generally, outdoor fresh air is introduced to adjust the environment of the data machine room in the prior art to serve as a natural cold source, the outdoor fresh air is directly introduced into the data machine room after being refrigerated and dehumidified by the steam compression type refrigeration air conditioner, and after the data machine room is used for a long time, the number of suspended particles in the data machine room is easy to exceed the standard, so that the difficulty of later maintenance of the data machine room by workers is increased.
Disclosure of Invention
In order to solve the technical problems that the energy consumption is high and the concentration of suspended particles is high when the existing data machine room refrigerating device is mixed with the outdoor environment, the main purpose of the application is to provide a data machine room environment adjusting system and a data machine room which are energy-saving, low in operation cost and difficult to introduce new suspended particles.
In order to achieve the purpose of the invention, the following technical scheme is adopted in the application: the utility model provides a data computer lab environmental conditioning system, includes refrigeration heat transfer group, humidification heat transfer group, dehumidification heat transfer group, first passageway and second passageway, the gas in the computer lab passes through first passageway is derived, through:
the refrigeration heat exchange group carries out heat exchange, or,
the humidifying heat exchange group carries out heat exchange, or,
the dehumidification heat exchange group carries out heat exchange, or,
heat exchange is carried out through the dehumidification heat exchange set and the refrigeration heat exchange set, or,
the air guided out through the first channel is subjected to heat exchange treatment and then is sent back to the machine room through the second channel.
According to an embodiment of the application, wherein refrigeration heat transfer group includes indirect evaporative cooling air conditioner, indirect evaporative cooling air conditioner includes first heat exchange tube and the first heat exchanger that sprays, the both ends of first heat exchange tube with first passageway reaches the second passageway intercommunication, first heat exchanger that sprays is used for the outside of tubes of first heat exchange tube with gas in the computer lab sprays the heat transfer.
According to an embodiment of the application, wherein the refrigeration heat exchange group further comprises an outdoor air pipeline, the outdoor air pipeline introduces outdoor air into the indirect evaporative cooling air conditioner, and the outside of the first heat exchange pipe exchanges heat with the gas in the machine room in the first heat exchange pipe.
According to an embodiment of the application, wherein first passageway includes first branch pipe, second branch pipe and third branch pipe, first union coupling refrigeration heat transfer group, the second branch pipe is organized with the humidification heat transfer and is connected, the third branch pipe is used for and dehumidifies the heat transfer and organizes the connection, pass through in the computer lab first branch pipe the second branch pipe reaches the heat transfer state is switched to the third branch pipe.
According to an embodiment of this application, wherein refrigeration heat transfer group, humidification heat transfer group or dehumidification heat transfer group insert the fresh air pipeline and be natural cold source, the fresh air pipeline is in carry out the non-contact heat transfer in refrigeration heat transfer group, humidification heat transfer group or the dehumidification heat transfer group.
According to an embodiment of the application, wherein humidification heat transfer group includes the regenerator, be provided with the second in the regenerator and spray heat exchanger, the second branch pipe will gas in the computer lab is leading-in the regenerator, the second sprays heat exchanger and sprays the dilute solution of cooling medium to pass through the dilute solution of cooling medium with the gas heat transfer humidification in the computer lab.
According to an embodiment of the application, the regeneration tower further comprises a second heat exchange pipe, the first branch pipe guides a part of the gas in the machine room into the pipe of the second heat exchange pipe, and conducts the gas passing through the second heat exchange pipe into the refrigeration heat exchange group.
According to an embodiment of the application, wherein dehumidification heat transfer group includes dehumidification tower and third spray heat exchanger, the third branch pipe will gas in the computer lab is leading-in extremely in the dehumidification tower, the third spray heat exchanger sprays coolant's concentrated solution, and passes through coolant's concentrated solution with gas heat transfer dehumidification in the computer lab.
According to an embodiment of the application, the dehumidification heat exchange group comprises a precooler, and the third branch pipe leads the gas in the machine room into the precooler and then into the dehumidification tower.
According to an embodiment of the application, wherein the precooler comprises a surface cooler or a plate heat exchanger.
According to an embodiment of the application, the precooler is connected with the refrigeration heat exchange group or the humidification heat exchange group, and the gas in the machine room is precooled through the cooling medium in the refrigeration heat exchange group or the cooling medium in the humidification heat exchange group.
According to an embodiment of the application, the dehumidification heat exchange unit comprises a cooling medium circulation channel, and a cooling medium circulates between the humidification heat exchange unit and the dehumidification heat exchange unit through the cooling medium circulation channel.
According to an embodiment of the application, including heating heat exchange unit, hot-blast in the computer lab passes through the air exit by first passageway is leading-in to the second passageway, through the second passageway will hot-blast in the computer lab reaches the area of treating heating in the computer lab.
According to another aspect of the application, a data room is provided, which is applied to the data room environment adjusting system.
According to the technical scheme, the data computer lab environmental conditioning system and the data computer lab of this application's advantage and positive effect lie in:
through first passageway is leading-in extremely with the gas in the data computer lab refrigeration heat transfer group is refrigerated, leading-in extremely humidification heat transfer group carries out the humidification, leading-in extremely dehumidification heat transfer group dehumidifies to gas after the heat transfer of heat transfer group after will handling passes through the second passageway is leading-in extremely in the computer lab, and then can realize that the temperature and the humidity of the environment in the data computer lab adjust, still can avoid introducing outdoor new trend, avoids the dust deposit in the data computer lab, influences the operation effect, and system simple structure uses widely in a large scale easily.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
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, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
Fig. 1 is a schematic connection diagram of a data room environment adjusting system according to an embodiment of the present application;
fig. 2 is a connection schematic diagram of another embodiment of a data room environment adjusting system according to an embodiment of the present application;
fig. 3 is a connection schematic diagram of another embodiment of a data room environment adjusting system according to an embodiment of the present application;
fig. 4 is a connection schematic diagram of another embodiment of a data room environment adjusting system according to an embodiment of the present application;
wherein:
100. a refrigeration heat exchange group; 200. a machine room; 211. an air outlet; 212. an air supply outlet; 1. an indirect evaporative cooling air conditioner; 101. a first heat exchange tube; 102. a first spray heat exchanger; 103. an outdoor air duct; 2. a humidifying heat exchange group; 201. a regeneration tower; 202. a second spray heat exchanger; 203. a second heat exchange tube; 3. a dehumidification heat exchange unit; 301. a dehumidification tower; 302. a third spray heat exchanger; 303. a precooler; 4. a first channel; 401. a first branch pipe; 402. a second branch pipe; 403. a third branch pipe; 5. a second channel; 6. a cooling medium circulation passage; 7. a cold air grille; 8. a ground valve; 9. a hot aisle; 10. a master air valve; 11. a branch air valve; 12. a dilute solution pump; 13. a concentrated solution pump; 14. and a cold channel.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Those skilled in the art can understand that the data center equipment is characterized by large heat productivity, and the temperature and humidity in the data room 200 are important influence factors influencing the operation efficiency, so that the data room 200 generally needs to supply cold all year around in the use state, and the environment of the data room 200 needs to maintain a certain temperature and humidity, the inlet air temperature of the cabinet in the data room 200 is generally within the range of 18-27 ℃, the relative humidity is within the range of 40-70%, and the temperature change rate should be less than 5 ℃/h. In addition, in order to reduce the influence of dust on the electronic devices in the data room 200, the environment in the data room 200 needs to have higher cleanliness, and the number of suspended particles larger than or equal to 0.5 micrometer per cubic meter of air is less than 1760 ten thousand. In order to meet the environment of the machine room 200, a steam compression type refrigeration air conditioner is generally adopted in the prior art, a core component of the steam compression type refrigeration air conditioner is a compressor, a large amount of electric energy is consumed in the operation process, and the energy consumption is large. In addition, the dehumidification principle of the steam compression type refrigeration air conditioner is that the surface temperature of an evaporator is reduced to be lower than the dew point temperature of air, and because the temperature is too low at the moment, an electric heater is often required to be arranged to reheat air supplied, so that cold and heat offset occurs, energy is further wasted, and the concept of energy-saving development of a data center is not met. In addition, after a natural cold source is used, such as fresh air is introduced, dust or suspended particles are easily introduced into the data machine room 200, so that the number of the suspended particles is easily exceeded, the difficulty of later maintenance of the data machine room 200 by workers is increased, and in order to reduce the introduction of the dust into the data machine room 200, a new device is additionally arranged to independently treat the suspended particles, so that the overall manufacturing cost of the system is increased, the structure is complex, and the application range is greatly limited.
Therefore, for solving the technical problems that energy consumption is large and suspended particles are easy to introduce in the environment regulation process of the data machine room 200 in the prior art, the application provides an effective energy-saving environment regulation system of the data machine room 200 and the data machine room 200 which avoid introducing the suspended particles.
Aiming at the defects of the conventional vapor compression type refrigeration air conditioner, the utilization of a natural cold source is the inevitable trend of a green energy-saving data center cooling scheme, the natural cold source is utilized in various forms, and a reliable scheme is an evaporative cooling air conditioning system. However, the existing evaporative cooling air conditioning system is complex in structure, outdoor air is used as air supply, and the hidden trouble that dust of a machine room 200 exceeds the standard exists or the fresh air purification cost is increased.
The gas in the data machine room is guided into the temperature adjusting unit and/or the humidity adjusting unit through the first channel, the gas after the heat exchange of the heat exchange unit after processing is guided into the machine room through the second channel, the temperature and the humidity of the environment in the data machine room can be adjusted, and the introduction of outdoor fresh air can be avoided.
The system utilizes the indirect evaporative cooling technology and the solution dehumidification technology to enable the evaporative cooling air conditioner to have the dehumidification function, has multiple operation modes of refrigeration, dehumidification, humidification, heating and the like, solves the problem of single operation mode of the existing evaporative cooling air conditioner, replaces the conventional vapor compression refrigeration air conditioner, provides a proper operation environment for the data center machine room 200,
in addition, the system processes the air exhausted from the machine room 200 and supplies the air to the machine room 200, so that outdoor dust is prevented from being introduced into the room, and the cleanliness of the environment of the machine room 200 is ensured.
The system utilizes a natural cold source to exhaust air of the machine room 200 for treatment, simultaneously utilizes a solution dehumidification technology, does not need low surface temperature to condense water vapor in the air, avoids the problems that the air supply temperature is too low and the reheating treatment process is carried out, has obvious energy-saving and consumption-reducing potential, and is favorable for the green energy-saving development of a data center.
The utility model provides a data computer lab environmental conditioning system, includes refrigeration heat transfer group 100, humidification heat transfer group 2, dehumidification heat transfer group 3, first passageway 4 and second passageway 5, the gas in the computer lab 200 is through leading-in to of first passageway 4:
the refrigeration heat exchange group 100 performs heat exchange; alternatively, the first and second electrodes may be,
the humidifying heat exchange group 2 carries out heat exchange; alternatively, the first and second electrodes may be,
the dehumidification heat exchange group 3 carries out heat exchange; alternatively, the first and second electrodes may be,
heat exchange is carried out through the dehumidification heat exchange group 3 and the refrigeration heat exchange group 100; alternatively, the first and second electrodes may be,
heat exchange is carried out through the humidifying heat exchange group 2; alternatively, the first and second electrodes may be,
heat exchange is carried out through the humidifying heat exchange group 2 and the refrigerating heat exchange group 100,
the gas led out through the first channel 4 is subjected to the heat exchange treatment and then sent into the machine room 200 through the second channel 5.
Referring to fig. 1, a connection schematic diagram of an environment adjusting system of a data machine room 200 provided in an embodiment of the present application is shown, where the refrigeration heat exchange group 100, the humidification heat exchange group 2, and the dehumidification heat exchange group 3 are respectively in a parallel structure through the first channel 4, and a branch air valve 11 is respectively disposed at an air inlet of the refrigeration heat exchange group 100, an air inlet of the humidification heat exchange group 2, and an air inlet of the dehumidification heat exchange group 3, so as to control the amount of air introduced through the second channel 5, and further adjust the heat exchange mode of air in the machine room 200.
In an embodiment, the air exhausted from the air outlet 211 of the machine room 200 to the first channel 4 may be directly introduced into the second channel 5 to form a heating system, so that the hot air in the machine room 200 is introduced into the area to be heated of the machine room 200, thereby realizing self-circulation of the air in the machine room 200, fully utilizing the heat of the machine room 200, and fully utilizing the residual heat of the machine room 200.
Referring to fig. 2, as shown in a connection schematic diagram of another embodiment of an environment adjusting system of a data machine room 200 provided by the embodiment of the present application, preferably, the dehumidification heat exchange set 3 and the humidification heat exchange set 2 can be connected in parallel to form a set through the first channel 4 by the first channel 4, so that the refrigeration heat exchange set 100 and the humidity adjustment set are connected in series, that is, the refrigeration heat exchange set 100 and the temperature adjustment set formed by the dehumidification heat exchange set 3 and the humidification heat exchange set 2 are respectively connected in series, a branch air valve 11 can be respectively disposed at an air inlet of the dehumidification heat exchange set 3 and an air inlet of the humidification heat exchange set 2 through the first channel 4, and then the air in the machine room 200 can be independently controlled to switch between the dehumidification or humidification heat exchange modes, so that the refrigeration heat exchange set 100 is connected in series to the general first channel 4, and the humidified or dehumidified air can be cooled by the refrigeration heat exchange set 100, and the refrigerated gas is introduced into the machine room 200 through the second passage 5, so that the comprehensive control of the gas in the machine room 200 is improved under the condition of further simplifying the connection mode and the line.
Simultaneously because the process the secondary gas after humidification heat transfer group 2 handles has been right after the heat exchange is carried out to computer lab 200 exhaust primary gas, the secondary gas has been cooled down for the first time by humidification heat transfer group 2, and it extremely to introduce into again behind refrigeration heat transfer group 100, only need to pass through the secondary gas further cooling after humidification heat transfer group 2 handles can, and then reduce refrigeration heat transfer group 100's refrigeration efficiency further saves the energy consumption.
Including the rack in the data computer lab 200 to and be located the inside cold passageway 14 that sets up of rack, both sides are hot passageway 9, set up ground valve 8 on ground, make ground valve 8 correspond hot passageway 9 sets up cold wind grid 7 on ground, makes cold wind grid 7 correspond cold passageway 14, second passageway 5 passes through ground valve 8 to hot passageway 9 air supply, through cold wind grid 7 to cold passageway 14 air supply. The internal environment of the data machine room 200 is adjusted through the ground valve 8 and the cold air grid 7, so that the gas flows, and the internal gas circulation is accelerated.
The air outlet 211 of the data machine room 200 is arranged at the top of the data machine room 200, the air supply outlet 212 is arranged at the bottom of the data machine room 200, and the second channel 5 is connected to the air supply outlet 212 to supply air to the data machine room 200, so that the air of the data machine room 200 can be sufficiently circulated and quickly discharged, and the cold and hot offset is reduced.
It should be understood that, a person skilled in the art can select and set the number of the floor valves 8 or the number and the relative positions of the cold air grills 7 according to actual conditions, and open the floor valves 8 or the cold air grills 7 in cooperation with different heat exchange modes, which is not described in detail herein.
According to an embodiment of the present application, wherein the refrigeration heat exchange set 100 includes an indirect evaporative cooling air conditioner 1, the indirect evaporative cooling air conditioner 1 includes a first heat exchange tube 101 and a first spray heat exchanger 102, both ends of the first heat exchange tube 101 with the first channel 4 reaches the second channel 5 intercommunication, the first spray heat exchanger 102 is used for the outside of the first heat exchange tube 101 with the gas in the machine room 200 sprays the heat transfer.
As an example, two ends of the first heat exchange tube 101 are communicated with the first channel 4 and the second channel 5, so that the gas in the machine room 200 enters the first heat exchange tube 101 through the first channel 4, the first spray heat exchanger 102 exchanges heat with the gas in the first heat exchange tube 101 through spraying cooling liquid outside the first heat exchange tube 101 in a heat conduction manner, further, the gas in the first heat exchange tube 101 is prevented from contacting an external medium, and introduction of impurities is avoided, because the gas in the machine room 200 is directly connected with the second channel 5 to supply air into the machine room 200 after passing through the first heat exchange tube 101, the self-circulation efficiency of the gas in the machine room 200 is further improved, the cleanliness of the gas in the machine room 200 is improved, and no other dust removal equipment needs to be additionally arranged.
As an example, the first spraying device includes a first starting valve (not shown in the figure) and a first spraying pipe (not shown in the figure), and the volume and start and stop of spraying the cooling liquid to the first heat exchanging pipe 101 by the first spraying pipe are controlled by the first starting valve, so as to control the heat exchanging efficiency and the refrigerating degree of the indirect evaporative cooling air conditioner 1 for the gas in the machine room 200.
Preferably, in order to further simplify the transmission path of the gas in the machine room 200, the secondary gas processed by the humidification heat exchange set 2 or the dehumidification heat exchange set 3 can be connected into the first heat exchange tube 101 through the first channel 4, so that the first starting valve can control the first spraying device to exchange heat and refrigerate for the secondary gas in the first heat exchange tube 101, and the requirements of the machine room 200 on humidifying (dehumidifying) and refrigerating the gas at the same time are met.
In the actual use process, if the secondary gas treated by the humidification heat exchange group 2 or the dehumidification heat exchange group 3 does not need to be refrigerated, the first spray pipe can be closed through the first starting valve, so that the refrigeration effect of the indirect evaporative cooling air conditioner 1 on the secondary gas in the first heat exchange pipe 101 can be closed, the use is convenient, the cost is reduced, and the use range of the whole system is further expanded.
Referring to fig. 3, a schematic connection diagram of another embodiment of an environment conditioning system for a data room 200 according to an embodiment of the present application is shown, wherein according to an embodiment of the present application, the refrigeration heat exchange set 100 further includes an outdoor air duct 103, the outdoor air duct 103 introduces outdoor air into the indirect evaporative cooling air conditioner 1, and exchanges heat with air in the room 200 inside the first heat exchange tube 101 outside the tube. Outdoor wind pipeline 103 will outdoor wind is introduced extremely in the indirect evaporative cooling air conditioner 1, it is further, will outdoor wind is introduced outside of tubes of first heat exchange tube 101, the mode through introducing outdoor wind utilizes natural cold source to in the first heat exchange tube 101 intraductal gas, the process in the computer lab 200 humidification heat transfer group 2 or the secondary gas that dehumidification heat transfer group 3 was handled carries out the heat exchange, outdoor wind cold source that outdoor wind pipeline 103 introduced can with the cooling solution combined action that first spray set sprayed with gas in the first heat exchange tube 101 carries out the heat transfer.
On the other hand, it can be understood that the outdoor air introduced through the outdoor air duct 103 is a natural cold source, and can be connected to each heat exchanger group, and can exchange heat with circulating gas in a non-contact manner, and also exchange heat with a refrigerant in the heat exchanger group, but the outdoor air does not contact or flow in series with the gas in the machine room, so that the natural cold source is introduced, and the increase of suspended particles is avoided.
On the basis that no dust is introduced into the machine room 200, a natural cold source can be fully utilized to participate in the refrigeration heat exchange unit 100 to refrigerate the gas in the machine room 200, so that the energy consumption is further reduced, and the energy is saved.
Referring to fig. 1 to 3, according to an embodiment of the present application, the first channel 4 includes a first branch pipe 401, a second branch pipe 402, and a third branch pipe 403, the first branch pipe 401 is connected to the refrigeration heat exchange group 100, the second branch pipe 402 is connected to the humidification heat exchange group 2, the third branch pipe 403 is used to be connected to the dehumidification heat exchange group 3, and the heat exchange state is switched in the machine room 200 through the first branch pipe 401, the second branch pipe 402, and the third branch pipe 403.
As an example, the first branch pipe 401, the second branch pipe 402, and the third branch pipe 403 may be respectively provided with a branch air valve 11, and the branch air valve 11 adjusts or starts a corresponding heat exchange set to exchange heat for the gas in the machine room 200, so as to switch the heat exchange state, improve the exchange of the heat exchange mode of the data machine room 200, and improve the convenience of use.
In another embodiment, the first support may be passed through the inside of the humidification heat exchange set 2, and the second branch pipe 402 may be led into the gas in the humidification heat exchange set 2.
According to an embodiment of the present application, the humidification heat exchange set 2 includes a regeneration tower 201, a second spray heat exchanger 202 is disposed in the regeneration tower 201, the second branch pipe 402 guides the gas in the machine room 200 into the regeneration tower 201, and the second spray heat exchanger 202 sprays the dilute solution of the cooling medium and exchanges heat with the gas in the machine room 200 for humidification through the dilute solution of the cooling medium.
As an example, a dilute solution of the first cooling solvent circulates in the regeneration tower 201, the first spray heat exchanger 102 humidifies the primary gas introduced into the machine room 200 in the regeneration tower 201 by spraying the dilute solution of the first cooling medium and the second branch pipe 402 to form a secondary gas, and the dilute solution of the first cooling medium gradually becomes a concentrated solution.
Preferably, in order to improve the efficiency of regeneration of the concentrated solution, a first branch pipe 401 may pass through the inside of the regeneration tower 201, a part of the gas in the machine room 200 may be introduced into the first branch pipe 401, a dilute solution of the first cooling medium may be introduced into the regeneration tower 201 through the second branch pipe 402 to perform humidification and heat exchange, and then the gas is changed into a primary concentrated solution, the primary concentrated solution may be further subjected to heat exchange with the primary concentrated solution outside the first branch pipe 401, the primary concentrated solution may absorb heat carried by the gas in the first branch pipe 401, and moisture may be evaporated to form a second concentrated solution, a concentration of the second concentrated solution is greater than a concentration of the primary concentrated solution, so as to improve the efficiency of humidification of the gas in the machine room 200 on the one hand, and improve a concentration of the secondary concentrated solution in the first cooling medium on the other hand.
Preferably, the primary concentrated solution or the secondary concentrated solution may be led out to a storage tank, a water adding device is provided, water is added to the storage tank through the water adding device, the primary concentrated solution or the secondary concentrated solution in the first cooling medium is diluted, meanwhile, a concentrated solution pump 13 is provided at the position where the concentrated solution is led out through the cooling medium circulation passage 6, a dilute solution pump 12 is provided at the dilute solution leading-in position of the cooling medium circulation passage 6, so that the dilute solution pump 12 controls the solution volume of the first cooling medium dilute solution entering the regeneration tower 201, and controls the humidification amount of the gas in the machine room 200, thereby further improving the convenience of use.
In addition, because the primary gas is humidified and simultaneously cooled once, the gas led out from the second branch pipe 402 can be connected into the refrigeration heat exchange group 100 to be further cooled, so that the cooling requirement of the machine room 200 is met, the refrigeration efficiency of the refrigeration heat exchange group 100 is improved, and the energy consumption is reduced. After the first branch pipe 401 passes through the regeneration tower 201 to exchange heat with the solution of the first cooling medium, the temperature of the gas in the first branch pipe 401 is primarily refrigerated, and the primarily refrigerated gas in the first branch pipe 401 is introduced into the refrigeration heat exchange unit 100, so that when the gas is refrigerated again, the energy consumption can be further reduced, and the operation cost of adjusting the temperature or humidity of the system can be reduced.
Preferably, in another embodiment, the first branch pipe 401 and/or the second branch pipe 402 may be directly connected to the second channel 5, and the gas after heat exchange with the regeneration tower 201 is introduced into the machine room 200 through a distribution channel without starting the refrigeration function of the refrigeration heat exchange group 100, at this time, the refrigeration heat exchange group 100 is only used as a pipeline for transferring gas, and does not actually perform a refrigeration function, so as to be suitable for adjusting the temperature and humidity in different machine rooms 200. In the actual use process, when the adjustment range required by the adjustment of the temperature in the machine room 200 is not large, the mode can be adopted to perform heat exchange refrigeration on the gas in the machine room 200.
According to an embodiment of the present application, the regeneration tower 201 further comprises a second heat exchange pipe 203, the first branch pipe 401 guides a part of the gas in the machine room 200 into the pipe of the second heat exchange pipe 203, and guides the gas passing through the second heat exchange pipe 203 into the refrigeration heat exchange group 100.
Referring to fig. 3, as shown in a connection schematic diagram of another embodiment of an environment adjusting system of a data machine room 200 provided in an embodiment of the present application, the second heat exchanging pipe 203 may be disposed in the regeneration tower 201 and stacked in the regeneration tower 201, so as to increase a contact area between the gas introduced into the machine room 200 in the second heat exchanging pipe 203 and the first cooling medium solution, the gas in the machine room 200 is conducted into the second heat exchanging pipe 203 through the first branch pipe 401, so that the gas in the machine room 200 passes through the second heat exchanging pipe 203, participates in a heat exchange and humidification process of converting the first cooling medium dilute solution into the first cooling medium concentrated solution in the regeneration tower 201, after being cooled once, the gas after being cooled once may be conducted into the cooling and heat exchanging group 100 through the first branch pipe 401 connected to an exhaust outlet 211 of the second heat exchanging pipe 203, and after secondary refrigeration, secondary refrigeration gas is formed, and the secondary refrigeration gas passes through the air supply pipeline and is conducted into the machine room 200 through the air distribution pipeline.
Preferably, the first refrigerant gas after passing through the second heat exchange tube 203 for heat exchange can be directly communicated to the second channel 5 through the second heat exchange tube 203, so as to meet the requirement of low refrigeration amplitude regulation in the cabinet.
According to an embodiment of the present application, the dehumidification heat exchange group 3 includes a dehumidification tower 301 and a third spray heat exchanger 302, the third branch pipe 403 guides the gas in the machine room 200 into the dehumidification tower 301, and the third spray heat exchanger 302 sprays the concentrated solution of the cooling medium, and exchanges heat with the gas in the machine room 200 for dehumidification through the concentrated solution of the cooling medium.
As an example, the dehumidification heat exchange group 3 includes a dehumidification tower 301, the third spray heat exchanger 302 exchanges heat with the gas in the machine room 200, which is introduced into the dehumidification tower 301 through the third branch pipe 403, by introducing a concentrated solution of a cooling medium into the dehumidification tower 301, and the concentrated solution of the cooling medium is diluted with the moisture contained in the gas in the machine room 200 to form a dilute solution of the cooling medium, so as to achieve the purpose of dehumidifying the gas in the machine room 200.
Preferably, another dilute solution storage tank may be additionally provided, and the dilute solution of the cooling solvent after being processed by the dehumidification tower 301 is changed into the concentrated solution of the cooling solution with a higher concentration by mixing a concentrated solution or adding a cooling solvent according to actual needs, so as to store the concentrated solution of the cooling medium required in the dehumidification tower 301 during the dehumidification process.
Preferably, a cooling medium solution circulates between the humidification heat exchange group 2 and the dehumidification heat exchange group 3 through the cooling medium circulation channel 6, so that the concentrated solution of the cooling medium generated by the humidification heat exchange group 2 is introduced into the dehumidification heat exchange group 3 to dehumidify the air in the machine room 200, and the dilute solution of the cooling medium generated in the dehumidification heat exchange group 3 is introduced into the humidification heat exchange group 2 through the cooling medium circulation channel 6 to provide the required dilute solution of the cooling medium for the humidification process, thereby further improving the self-circulation performance of the whole regulation system, simplifying the system structure and reducing the cost.
According to an embodiment of the present application, the dehumidification heat exchange group 3 includes a precooler 303, and the third branch pipe 403 leads the gas in the machine room 200 into the precooler 303 and then into the dehumidification tower 301. It should be noted that, the precooler 303 is used for cooling the gas in the machine room 200 led out from the third branch pipe 403 in advance, so as to ensure that the dehumidification tower 301 has high dehumidification efficiency.
According to an embodiment of the present application, wherein the precooler 303 comprises a surface cooler or a plate heat exchanger.
Referring to fig. 3, a schematic connection diagram of another embodiment of the environment conditioning system for a data room 200 provided in the embodiment of the present application and fig. 4 is a schematic connection diagram of another embodiment of the environment conditioning system for a data room 200 provided in the embodiment of the present application, as an example, where the precooler 303 is connected to the refrigeration heat exchange group 100 or the humidification heat exchange group 2, and precools the gas in the room 200 through the cooling medium in the refrigeration heat exchange group 100 or the cooling medium in the humidification heat exchange group 2.
The two ends of the surface air cooler are connected with the water tank of the indirect evaporative cooling air conditioner 1 of the refrigeration heat exchange unit 100, and the surface air cooler is cooled by cooling water in the water tank.
Preferably, one side of the plate heat exchanger can be connected to a water tank of the refrigeration heat exchange set 100 indirect evaporative cooling air conditioner 1, the plate heat exchanger is cooled by cooling water in the water tank, and the plate heat exchanger is cooled by a concentrated solution of a cooling medium flowing out of the regeneration tower 201 of the humidification heat exchange set 2, so that the dehumidification tower 301 can have high dehumidification efficiency.
According to another aspect of the present application, a data room 200 is provided, which is applied to the data room 200 environment adjusting system. The system utilizes the indirect evaporative cooling technology and the solution dehumidification technology to enable the evaporative cooling air conditioner to have the dehumidification function, has multiple operation modes of refrigeration, dehumidification, humidification, heating and the like, solves the problem of single operation mode of the existing evaporative cooling air conditioner, replaces the conventional vapor compression refrigeration air conditioner, provides a proper operation environment for the data center machine room 200,
in addition, the system processes the air exhausted from the machine room 200 and supplies the air to the machine room 200, so that outdoor dust is prevented from being introduced into the room, and the cleanliness of the environment of the machine room 200 is ensured.
The system utilizes a natural cold source to exhaust air of the machine room 200 for treatment, simultaneously utilizes a solution dehumidification technology, does not need low surface temperature to condense water vapor in the air, avoids the problems that the air supply temperature is too low and the reheating treatment process is carried out, has obvious energy-saving and consumption-reducing potential, and is favorable for the green energy-saving development of a data center.
It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The foregoing are merely exemplary embodiments of the present invention, which enable those skilled in the art to understand or practice the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (12)
1. A data machine room environment adjusting system is characterized by comprising a refrigeration heat exchange group (100), a humidification heat exchange group (2), a dehumidification heat exchange group (3), a first channel (4) and a second channel (5), wherein gas in a machine room (200) is led out through the first channel (4) and subjected to heat exchange through the refrigeration heat exchange group (100), or,
heat exchange is carried out through the humidifying heat exchange group (2), or,
the dehumidification heat exchange group (3) carries out heat exchange, or,
heat exchange is carried out through the dehumidification heat exchange set (3) and the refrigeration heat exchange set (100), or,
the air which is led out through the first channel (4) is subjected to heat exchange treatment and then is sent back to the machine room (200) through the second channel (5) after being subjected to heat exchange treatment through the humidifying heat exchange set (2) and the refrigerating heat exchange set (100);
the first channel (4) comprises a first branch pipe (401), a second branch pipe (402) and a third branch pipe (403), the first branch pipe (401) is connected with the refrigeration heat exchange group (100), the second branch pipe (402) is connected with the humidification heat exchange group (2), the third branch pipe (403) is used for being connected with the dehumidification heat exchange group (3), and the heat exchange state is switched in the machine room (200) through the first branch pipe (401), the second branch pipe (402) and the third branch pipe (403);
the humidifying heat exchange group (2) comprises a regeneration tower (201), a second spray heat exchanger (202) is arranged in the regeneration tower (201), the second branch pipe (402) guides the gas in the machine room (200) into the regeneration tower (201), and the second spray heat exchanger (202) sprays the dilute solution of the cooling medium and exchanges heat with the gas in the machine room (200) for humidifying through the dilute solution of the cooling medium;
the first branch pipe (401) passes through the inside of the regeneration tower (201).
2. The data room environment conditioning system of claim 1, wherein the refrigeration heat exchange group (100) comprises an indirect evaporative cooling air conditioner (1), the indirect evaporative cooling air conditioner (1) comprises a first heat exchange pipe (101) and a first spray heat exchanger (102), both ends of the first heat exchange pipe (101) are communicated with the first channel (4) and the second channel (5), and the first spray heat exchanger (102) is used for spray heat exchange with gas in the room (200) outside the first heat exchange pipe (101).
3. The data room environment conditioning system of claim 2, wherein the refrigeration heat exchange group (100) further comprises an outdoor air duct (103), and the outdoor air duct (103) introduces outdoor air into the indirect evaporative cooling air conditioner (1) and exchanges heat with the air in the room (200) inside the first heat exchange tube (101) outside the tube.
4. The data room environment conditioning system of claim 1, wherein a fresh air pipeline is connected to the refrigeration heat exchange group (100), the humidification heat exchange group (2) or the dehumidification heat exchange group (3) to be a natural cold source, and the fresh air pipeline performs non-contact heat exchange in the refrigeration heat exchange group (100), the humidification heat exchange group (2) or the dehumidification heat exchange group (3).
5. A data room environmental conditioning system according to claim 1, characterized in that the regeneration tower (201) further comprises a second heat exchange tube (203), and the first branch tube (401) guides a part of the gas in the room (200) into the tube of the second heat exchange tube (203), and guides the gas passing through the second heat exchange tube (203) into the refrigeration heat exchange group (100).
6. The data room environmental conditioning system of claim 1, wherein the dehumidification heat exchange group (3) comprises a dehumidification tower (301) and a third spray heat exchanger (302), the third branch pipe (403) guides the gas in the room (200) into the dehumidification tower (301), and the third spray heat exchanger (302) sprays the concentrated solution of the cooling medium and exchanges heat with the gas in the room (200) for dehumidification.
7. The data room environment conditioning system of claim 6, wherein the dehumidifying heat exchange group (3) comprises a precooler (303), and the third branch pipe (403) leads the gas in the room (200) to the precooler (303) and then to the dehumidifying tower (301).
8. The data room environment conditioning system of claim 7, characterized in that the precooler (303) comprises a surface cooler or a plate heat exchanger.
9. The data room environment conditioning system of claim 7, wherein the precooler (303) is connected to the refrigeration heat exchange group (100) or the humidification heat exchange group (2), and precools the gas in the room (200) through a cooling medium in the refrigeration heat exchange group (100) or a cooling medium in the humidification heat exchange group (2).
10. The data room environmental conditioning system of any one of claims 1 to 9, comprising a cooling medium circulation channel (6), wherein a cooling medium circulates between the humidifying heat exchange set (2) and the dehumidifying heat exchange set (3) through the cooling medium circulation channel (6).
11. The data room environmental conditioning system of any one of claims 1 to 9, comprising a heating and heat exchanging set, wherein the hot air in the room (200) is guided from the first channel (4) to the second channel (5) through an air outlet (211), and the hot air in the room (200) is transferred to the area to be heated in the room (200) through the second channel (5).
12. A data room, characterized in that it is applied to the data room environment conditioning system of any one of claims 1-11.
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| CN101484757B (en) * | 2006-11-20 | 2011-10-12 | Smac技术有限责任公司 | Improved air conditioning system |
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| WO2007080979A1 (en) * | 2006-01-13 | 2007-07-19 | Hitachi Plant Technologies, Ltd. | Dehumidifying air conditioning system |
| CN205980106U (en) * | 2016-07-29 | 2017-02-22 | 西安工程大学 | Seal passage of heat air conditioning system for data center that full return air dry air can combine |
| CN211345639U (en) * | 2019-10-12 | 2020-08-25 | 西安工程大学 | Air conditioning system for data center combining evaporative cooling and lithium bromide absorption refrigeration |
| CN111031753A (en) * | 2019-12-12 | 2020-04-17 | 优刻得科技股份有限公司 | Fresh air unit and air conditioning system |
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