CN107120746A - A kind of compound refrigerated dehumidification method and refrigerated dehumidification hybrid system - Google Patents
A kind of compound refrigerated dehumidification method and refrigerated dehumidification hybrid system Download PDFInfo
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- CN107120746A CN107120746A CN201610105477.5A CN201610105477A CN107120746A CN 107120746 A CN107120746 A CN 107120746A CN 201610105477 A CN201610105477 A CN 201610105477A CN 107120746 A CN107120746 A CN 107120746A
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- refrigeration
- pipe
- computer room
- temperature
- refrigerant
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Classifications
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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
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
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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
- F24F13/22—Means for preventing condensation or evacuating condensate
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
- F24F2003/144—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification by dehumidification only
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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
- F24F13/22—Means for preventing condensation or evacuating condensate
- F24F2013/221—Means for preventing condensation or evacuating condensate to avoid the formation of condensate, e.g. dew
Abstract
The invention discloses a kind of compound refrigerated dehumidification method and refrigerated dehumidification hybrid system, wherein compound refrigerated dehumidification method includes refrigeration mode, three kinds of mode of operations of dehumidification mode and compensation model;The refrigeration terminal temperature T current by detecting1, computer room temperature T2With computer room relative humidity H, current computer room temperature T is calculated2Under dew-point temperature T3, the refrigeration end maximum temperature that computer room work allows is T4, joint refrigeration pattern, dehumidification mode and compensation model carry out the control of the humidity and temperature of data center machine room, according to T1、T3And T4The mode of operation that data center machine room should be performed is judged, to ensure the humidity and temperature of computer room in normal range (NR).Method that the present invention is provided level system can prevent due to dehumidify and refrigeration can not synergy and cause the end condensation problem that freezes, improve the working environment of data center machine room, simultaneously because dehumidifying and mutually combined control of freezing, obtain and preferably save energy effect.
Description
Technical field
The present invention relates to data center's field of air conditioning, more particularly to a kind of compound refrigerated dehumidification method and refrigeration
Dehumidify hybrid system.
Background technology
With next generation computer integration density more and more higher, processor speed is more and more faster, and its caloric value is also anxious
Increase severely length, this high-density installation to rack server and how to radiate and proposes severe challenge.Meanwhile, state
People's economy is developed rapidly, Energy situation very severe, and people gradually recognize to save the importance of the energy,
And data center, as energy consumption rich and influential family, wherein air conditioning energy consumption accounts for very big ratio again.Available data central machine room is empty
Tune mainly has direct expansion DX systems and the major class of chilled water CW systems two.Requirement and server with energy-conservation
The rise of heat density, constantly close to server apparatus in itself, Terminal device is also from traditional room-level for refrigeration end
Air-conditioning, develop into row between, passage furred ceiling, server cabinet front door, even directly by cold drawing to heat radiation chip
Cooled down.Although refrigeration end distance service device is more near more saves, the leakage of refrigeration end water and generation condensation
The harm of water is also bigger.There is the potential safety hazard that water enters computer room and server for chilled water CW systems, and
Chilled water temperature is relatively low, can produce condensation in heat exchanger surface.Although and direct expansion DX systems inside is without cold
Freeze water, but heat exchanger surface temperature needs to be tightly controlled to be allowed to realize dry and cold heat exchange higher than air dew point temperature
(freezing without condensation), otherwise also will produce condensed water in heat exchanger surface.
However, DX systems need to be dehumidified while the dry and cold heat exchange in end is realized when computer room humidity is too high
When, end heat exchanger can not produce condensation to dehumidify, and influence server reliability service.Existing design
In, the precise machine room air conditioner or industrial Special dehumidifier for additionally arranging in pairs or groups common are generally required, engineering is not only caused
The increase of amount, reduces computer room effective area, simultaneously because the communication between distinct device can not fully achieve linkage,
Also it is unfavorable for the overall temperature and humidity of data center module accurately to control.Meanwhile, traditional DX air-conditioning systems are in computer room
Can be by turning down compressor rotary speed or returning a high-temperature gas bypass part for compressor air-discharging side during high humility
To evaporator, the temperature of cooling medium in refrigeration end is set to be more than air dew point temperature, this control mode will be led
The cooling capacity of whole cooling system is caused to decline, it is difficult to meet the radiating requirements of server apparatus, cause server
Excess temperature is even delayed machine.
The disclosure of background above technology contents is only used for inventive concept and the technical scheme that auxiliary understands the present invention, its
Not necessarily belong to the prior art of present patent application, show the above in this patent in no tangible proof
In the case of the applying date of application is disclosed, above-mentioned background technology should not be taken to evaluate the novelty of the application
And creativeness.
The content of the invention
The object of the present invention is to a kind of compound refrigerated dehumidification method and refrigerated dehumidification hybrid system be proposed, to solve
The desiccant cooling that certainly above-mentioned prior art is present can not jointly control the refrigeration end condensation caused, refrigeration end temperature
Technical problem of the degree beyond preset range and the waste energy.
Therefore, the present invention proposes a kind of compound refrigerated dehumidification method, for data center machine room, this method bag
Include refrigeration mode, three kinds of mode of operations of dehumidification mode and compensation model;
First, in cooling mode, current refrigeration terminal temperature T is detected in real time1, computer room temperature T2And machine
Room relative humidity H, according to computer room temperature T2Current computer room temperature T is calculated with computer room relative humidity H2Under
Dew-point temperature T3, the refrigeration end maximum temperature that computer room work allows is T4;
The refrigeration terminal temperature exceeds preset range, i.e. T to computer room humidity within a preset range as described1≥
T4≥T3When, increase the refrigeration intensity of refrigeration mode, until meeting T4≥T1≥T3;
The computer room humidity exceeds preset range, i.e. T to refrigeration terminal temperature within a preset range as described4≥
T3≥T1When, while operation refrigeration mode, dehumidification mode is opened, until meeting T4≥T1≥T3;
When terminal temperature of such as freezing and computer room humidity exceed preset range, i.e. T3≥T1≥T4When, keep system
While chill formula, compensation model is opened, jointly controls refrigeration and dehumidifies so that temperature is changed stepwise and reached
T4≥T1≥T3During, not condensation all the time.
According to specific embodiment, this method can also have following technical characteristic:
The dehumidification mode is the maintenance computer room temperature T2It is described to reduce to reduce the computer room relative humidity H
Dew-point temperature T3。
In the compensation model running, the computer room relative humidity H was not only reduced but also had reduced the computer room temperature
Spend T2, and ensure the relative humidity H in air in the computer room temperature T2Under be in unsaturated state all the time,
Quickly to reduce the dew-point temperature T3。
Refrigeration end in the data center machine room is provided with two or more, the system maximum according to preset range is deviateed
Humidity carries out pattern switching in cold terminal temperature and/or computer room.
The invention also provides a kind of refrigerated dehumidification hybrid system, for data center machine room, including pipe group, lead to
The connected condenser of pipe group, cooling assembly and refrigeration end are crossed, side is used to carry out air in the pipe group
Dehumidifying and the dehumidifying component of cold compensation, are used to control the cooling assembly to enter refrigeration in the pipe group
The first throttle part of pattern, and it is used to control the dehumidifying component into dehumidification mode or benefit in the pipe group
The second throttling element of pattern is repaid, and list is controlled for the calculating for obtaining data center machine room temperature and humidity data
Member, the calculation control unit goes out result according to the temperature and humidity data judging of acquisition, according to described in output control
First throttle part enters refrigeration mode and controls the second throttling element switching dehumidification mode or compensation model.
According to specific embodiment, the system can also have following technical characteristic:
The pipe group enters including refrigerant manages by pipe, refrigerant outlet pipe and refrigerant, and the dehumidifying component includes cutting
Part and dehumidifying pipe fitting are flowed, the dehumidifying pipe fitting, second throttling element and the closure member are with located at the refrigeration
By agent on pipe.
The cooling assembly includes heat exchanger and pressure with the integrated installation of the dehumidifying component, the cooling assembly
Contracting machine, the first throttle component enters on pipe located at refrigerant, and the compressor is in refrigerant outlet pipe, institute
State that refrigerant enters pipe and the refrigerant outlet pipe is connected with the heat exchanger respectively, the dehumidifying component passes through refrigeration
Enter by agent by pipe located at the refrigerant on pipe and refrigerant outlet pipe.
The cooling assembly and dehumidifying component are independently installed, and the cooling assembly includes refrigerated medium pump, heat exchange
Device and compressor, the refrigerated medium pump enter on pipe located at the refrigerant, and the compressor is located at the refrigerant
In outlet pipe, the first throttle part enters on pipe located at refrigerant, and the refrigerant enters pipe and the refrigerant outlet pipe
Be connected respectively with the heat exchanger, the dehumidifying component by by pipe by refrigerant located at the refrigerant enter pipe with
In refrigerant outlet pipe.
The cooling assembly includes compressor, institute with the integrated installation of the dehumidifying component, the cooling assembly
State first throttle part located at refrigerant to enter on pipe, the compressor is in refrigerant outlet pipe, the cooling assembly
Pipe is entered by the refrigerant and the refrigerant outlet pipe is connected with the condenser, the dehumidifying component passes through system
Enter by cryogen by pipe located at the refrigerant on pipe and refrigerant outlet pipe.
The cooling assembly and dehumidifying component are independently installed, and the cooling assembly includes compressor, the pressure
Contracting machine is in refrigerant outlet pipe, and the first throttle part enters on pipe located at refrigerant, and the dehumidifying component passes through
Enter by refrigerant by pipe located at the refrigerant on pipe and refrigerant outlet pipe.What the present invention was compared with the prior art has
Beneficial effect includes:A kind of compound refrigerated dehumidification method disclosed by the invention, the refrigeration end current by detecting
Temperature T1, computer room temperature T2With computer room relative humidity H, current computer room temperature T is calculated2Under dew-point temperature
T3, the refrigeration end maximum temperature that computer room work allows is T4, joint refrigeration pattern, dehumidification mode and compensation
Pattern carries out the control of the humidity and temperature of data center machine room, according to T1、T3And T4In intelligent decision data
The pattern that scheming room should be performed, with ensure the humidity of computer room with temperature in normal range (NR), compared to existing skill
For art, the method that provides of the present invention can prevent due to dehumidify and refrigeration can not synergy and cause end of freezing
Condensation problem, improves the working environment of data center machine room, simultaneously because dehumidifying is mutually combined with freezing, is
System is more intelligent, has saved the energy.
It is default according to deviateing when the refrigeration end in data center machine room is provided with two or more in preferred scheme
Humidity carries out pattern switching in the maximum refrigeration terminal temperature of scope and/or computer room, can be to each refrigeration end
Humidity accomplish to jointly control with refrigeration, it is ensured that each refrigeration end not condensation.
A kind of refrigerated dehumidification hybrid system proposed by the present invention, sets dehumidifying component so that former by other in pipe group
This independent dehumidifying is formed a whole with refrigeration by same pipe group, to accomplish organically combination, realizes refrigeration
With jointly controlling for dehumidifying, first throttle part and the second throttling element in pipe group can effectively jointly control
The working condition of cooling assembly and dehumidifying component, is cut exactly with completing system under different temperatures and humidity environment
Shift to different patterns, it is ensured that temperature is with humidity in normal scope, it is to avoid refrigeration end condensation so that be
System is more intelligent, more saves.
In preferred scheme, the installation of integral type is employed to the cooling assembly and the dehumidifying component, with being
Good, the high advantage of integrated level of system property.
The cooling assembly and the dehumidifying component are installed using stand alone type, cooling assembly from refrigerated medium pump,
Heat exchanger and the compressor, it is adaptable to transform existed system, only need to the directly addition dehumidifying in pipe group
Component, transformation is easy, and cost is small.
Cooling assembly has only selected compressor, it is adaptable to require relatively low data center machine room to refrigeration so that
Cooling assembly it is simple in construction, lightweight, heat exchange efficiency is higher.
Cooling assembly has selected compressor and heat exchanger, it is adaptable to require higher data center machine room to refrigeration,
Cooling assembly has selected refrigerated medium pump, compressor and heat exchanger to be applied to the independently installed system of dehumidifying component,
The refrigerant normal circulation of guarantee system, it is ensured that dehumidifying component is normally run with cooling assembly.
First throttle part and the second throttling element select electric expansion valve simultaneously, can improve the precision of control, it is ensured that cut
The accuracy changed.
To sum up, the present invention can carry out data center machine room with joint refrigeration pattern, dehumidification mode and compensation model
Humidity and temperature control, can prevent due to dehumidify and refrigeration can not synergy and cause freeze end condensation
Problem, improves the working environment of data center machine room, simultaneously because dehumidifying is mutually combined with freezing, system is more
For intellectuality, the energy has been saved, meanwhile, system architecture of the invention is simple, strong applicability, it is easy to transform.
Brief description of the drawings
Fig. 1 is the system configuration schematic diagram of the specific embodiment of the invention four.
Fig. 2 is the system configuration schematic diagram of the specific embodiment of the invention five.
Fig. 3 is the system configuration schematic diagram of the specific embodiment of the invention six.
Fig. 4 is the system configuration schematic diagram of the specific embodiment of the invention seven.
Fig. 5 is the flow chart of the calculation control unit of the specific embodiment of the invention four, five, six and seven.
1- condensers, 2- refrigerant outlet pipes, 3- refrigerants enter pipe, 4- compressors, 5- first throttle parts, 6- heat exchange
Managed by device, 7- refrigeration end, 8- low humidity airs, 9- exhaust outlets, 10- refrigerants, 11- dehumidifying pipe fittings, 12-
Tank, 13- drainpipes, 14- dehumidifying fans, 15- damp atmospheres, the throttling elements of 16- second, 17- closure members,
18- refrigerated medium pumps.
Embodiment
For ease of accurate understanding, the following is the accurate definition for the technical term that hereinafter will appear from:
" refrigeration terminal temperature T1" refer to:The surface temperature of end heat exchanger.
" computer room temperature T2" refer to:The temperature of air.
With reference to embodiment and compare accompanying drawing the present invention is described in further detail.It should be emphasized that
It is, what the description below was merely exemplary, the scope being not intended to be limiting of the invention and its application.
With reference to the following drawings, the embodiment of non-limiting and nonexcludability, wherein identical reference will be described
Identical part is represented, unless stated otherwise.
Embodiment one:
A kind of compound refrigerated dehumidification method, for data center machine room, this method includes refrigeration mode, dehumidifying
Three kinds of mode of operations of pattern and compensation model;
First, in cooling mode, current refrigeration terminal temperature T is detected in real time1, computer room temperature T2And machine
Room relative humidity H, according to computer room temperature T2Current computer room temperature T is calculated with computer room relative humidity H2Under
Dew-point temperature T3, the refrigeration end maximum temperature that computer room work allows is T4;
The refrigeration terminal temperature exceeds preset range, i.e. T to computer room humidity within a preset range as described1≥
T4≥T3When, increase the refrigeration intensity of refrigeration mode, until meeting T4≥T1≥T3。
The dehumidification mode is the maintenance computer room temperature T2It is described to reduce to reduce the computer room relative humidity H
Dew-point temperature T3。
In the compensation model running, the computer room relative humidity H was not only reduced but also had reduced the computer room temperature
Spend T2, and ensure the relative humidity H in air in the computer room temperature T2Under be in unsaturated state all the time,
Quickly to reduce the dew-point temperature T3。
It is that computer room humidity is small in the present embodiment, the refrigerating state of data center machine room during in normal value, this
When, refrigeration mode is main mode of operation, and the refrigerating capacity in refrigeration end can not meet existing data center
During the refrigerating capacity of computer room work, enhancing refrigeration intensity is freezed i.e. under the conditions of ensureing that refrigeration end is uncondensable
Can.
In the present embodiment, the refrigeration end in the data center machine room is provided with two or more, at this time, it may be necessary to root
According to the actual conditions of each refrigeration end come the pattern of unlatching needed for selecting, mainly all refrigeration terminal temperatures are entered
Row detection, row mode is entered according to humidity in the maximum refrigeration terminal temperature of preset range and/or computer room is wherein deviateed
Switching, to meet all refrigeration ends not condensations.
Embodiment two:
A kind of compound refrigerated dehumidification method, for data center machine room, this method includes refrigeration mode, dehumidifying
Three kinds of mode of operations of pattern and compensation model;
First, in cooling mode, current refrigeration terminal temperature T is detected in real time1, computer room temperature T2And machine
Room relative humidity H, according to computer room temperature T2Current computer room temperature T is calculated with computer room relative humidity H2Under
Dew-point temperature T3, the refrigeration end maximum temperature that computer room work allows is T4;
The computer room humidity exceeds preset range, i.e. T to refrigeration terminal temperature within a preset range as described4≥
T3≥T1When, while operation refrigeration mode, dehumidification mode is opened, until meeting T4≥T1≥T3。
The dehumidification mode is the maintenance computer room temperature T2It is described to reduce to reduce the computer room relative humidity H
Dew-point temperature T3。
In the compensation model running, the computer room relative humidity H was not only reduced but also had reduced the computer room temperature
Spend T2, and ensure the relative humidity H in air in the computer room temperature T2Under be in unsaturated state all the time,
Quickly to reduce the dew-point temperature T3。
It is computer room high humidity in the present embodiment, the system of data center machine room easily in the case of the condensation of refrigeration end
Cold state, now, except maintaining while existing refrigeration intensity, to be dehumidified, dehumidified by dehumidification mode
Pattern is by reducing the relative humidity in computer room to reduce dew-point temperature, so that dew-point temperature is higher than refrigeration end
Hold temperature, from condensation, dehumidification mode does not freeze to computer room temperature, mainly to first to reduce relative humidity,
When except normal range (NR) is recovered, dehumidification mode can be closed, refrigeration mode is only maintained.
In the present embodiment, the refrigeration end in the data center machine room is provided with two or more, at this time, it may be necessary to root
According to the actual conditions of each refrigeration end come the pattern of unlatching needed for selecting, mainly all refrigeration terminal temperatures are entered
Row detection, row mode is entered according to humidity in the maximum refrigeration terminal temperature of preset range and/or computer room is wherein deviateed
Switching, to meet all refrigeration ends not condensations.
Embodiment three:
A kind of compound refrigerated dehumidification method, for data center machine room, this method includes refrigeration mode, dehumidifying
Three kinds of mode of operations of pattern and compensation model;
First, in cooling mode, current refrigeration terminal temperature T is detected in real time1, computer room temperature T2And machine
Room relative humidity H, according to computer room temperature T2Current computer room temperature T is calculated with computer room relative humidity H2Under
Dew-point temperature T3, the refrigeration end maximum temperature that computer room work allows is T4;
When terminal temperature of such as freezing and computer room humidity exceed preset range, i.e. T3≥T1≥T4When, keep system
While chill formula, compensation model is opened, temperature change meets T1≥T4≥T3When, strengthen refrigeration mode
Refrigeration intensity, is changed stepwise temperature and reaches T4≥T1≥T3。
The dehumidification mode is the maintenance computer room temperature T2It is described to reduce to reduce the computer room relative humidity H
Dew-point temperature T3。
In the compensation model running, the computer room relative humidity H was not only reduced but also had reduced the computer room temperature
Spend T2, and ensure the relative humidity H in air in the computer room temperature T2Under be in unsaturated state all the time,
Quickly to reduce the dew-point temperature T3。
In the present embodiment, be data center machine room humidity with temperature not in normal range (NR) in the case of, data
The refrigerating state of central machine room, it is first now in order to ensure that data center machine room and refrigeration end uniformly produce condensation
First need to lower humidity, allow dew-point temperature less than refrigeration terminal temperature, after humidity recovers normal value, enter one
The refrigeration intensity of step enhancing refrigeration mode, allows refrigeration terminal temperature to allow the refrigeration of work less than data center machine room
Terminal temperature, to achieve it, in addition to opening refrigeration mode, also needing to open compensation model, compensation
The possessing of pattern not only reduces the computer room relative humidity H but also reduces the computer room temperature T2The characteristics of, so energy
Dew-point temperature is lowered quickly, from refrigeration end condensation, after normal value is recovered, then strengthens refrigeration mode
Intensity so that the temperature of refrigeration end is recovered to normal range (NR).
In the present embodiment, the refrigeration end in the data center machine room is provided with two or more, at this time, it may be necessary to root
According to the actual conditions of each refrigeration end come the pattern of unlatching needed for selecting, mainly all refrigeration terminal temperatures are entered
Row detection, row mode is entered according to humidity in the maximum refrigeration terminal temperature of preset range and/or computer room is wherein deviateed
Switching, to meet all refrigeration ends not condensations.
Example IV:
In order to realize the compound refrigerated dehumidification method of above-described embodiment, the present embodiment proposes a kind of refrigerated dehumidification
Hybrid system, for data center machine room, as shown in figure 1, be respectively arranged with from right to left condenser 1, into
The cooling assembly and the dehumidifying component that integral type is installed, and end refrigeration end 7, various pieces are equal
It is connected by pipe group, the pipe group enters pipe 3, refrigerant outlet pipe 2 and refrigerant side pipe 10, institute including refrigerant
Dehumidifying component is stated by the side of pipe by refrigerant 10 located at the refrigerant to enter on pipe 3 and the refrigerant outlet pipe 2,
For air is dehumidified and cold compensation, refrigerant enter on pipe 3 be provided be used for control the refrigeration train
Part enters the first throttle part 5 of refrigeration mode, and for controlling described remove on pipe 10 by the refrigerant
Wet component enters the second throttling element 16 of dehumidification mode or compensation model, while also including being used to obtain in data
The calculation control unit of scheming room temperature and humidity data, the calculation control unit is according to the temperature of acquisition and wet
Degrees of data determines result, enters refrigeration mode and control described second according to first throttle part 5 described in output control
Throttling element 16 switches dehumidification mode or compensation model.
More specifically, the dehumidifying component includes closure member 17 and the pipe fitting 11 that dehumidifies, the dehumidifying pipe fitting 11,
Second throttling element 16 and the closure member 17 are with pipe 10 by the refrigerant.The refrigeration train
Part includes heat exchanger 6 and compressor 4, and the compressor 4 is in refrigerant outlet pipe 2, and the refrigerant enters
Pipe 3 and the refrigerant outlet pipe 2 are connected with the heat exchanger 6 respectively, and the dehumidifying component passes through the pipe fitting that dehumidifies
11 sides enter on pipe 3 and refrigerant outlet pipe 2 located at the refrigerant, and the dehumidifying component is additionally provided with for conveying
The dehumidifying fan 14 of data center air, the tank 12 for collecting the condensed water that the dehumidifying pipe fitting 11 is produced,
Drainpipe 13 for excluding the condensed water in the tank 12, and the exhaust outlet 9 for exhaust, high humidity
Degree air 15 is sucked in dehumidifying component by dehumidifying fan 14, by the pipe fitting 11 that dehumidifies, and the moisture in air is met
Condensation dew, falls into tank 12, is discharged by drainpipe 13, subsequent low humidity air 8 is discharged by exhaust outlet 9.
In the present embodiment, as shown in figure 5, the workflow of calculation control unit is:
Obtain temperature and humidity data, including refrigeration terminal temperature T1, computer room temperature T2, computer room relative humidity
H and refrigeration end allow maximum temperature T4;
Calculate current computer room temperature T2Under dew-point temperature T3;
Whether within a preset range to judge computer room humidity and refrigeration terminal temperature:
If T1≥T4≥T3;Control first throttle part tunes up aperture, strengthens refrigeration mode intensity;
If T4≥T3≥T1;The second throttling element is controlled to turn aperture down, operation refrigeration mode simultaneously, opens dehumidifying mould
Formula;
If T3≥T1≥T4;Run refrigeration mode simultaneously, the second throttling element of control tunes up aperture, open compensation mould
Formula, temperature change meets T1≥T4≥T3When, strengthen the refrigeration intensity of refrigeration mode.
Judge whether to meet T4≥T1≥T3If meeting and continuing to monitor, until terminating.
In the present embodiment, provided with three refrigeration ends 7, of course, it is to be understood that it can also be other numbers to be,
It can be set according to the actual conditions of data center machine room.
The throttling element 16 of first throttle part 5 and second is electric expansion valve in the present embodiment, passes through control first
The aperture of throttling element 5 can control the cold that cooling assembly is delivered to refrigeration end 7, when tuning up first throttle part 5
Aperture when, refrigeration degree increase, otherwise reduce.
When the present embodiment performs the method that embodiment one is proposed, first, start compressor 4, open refrigeration mode,
Detect current refrigeration terminal temperature T in real time by calculation control unit1, computer room temperature T2It is relatively wet with computer room
H is spent, according to computer room temperature T2Current computer room temperature T is calculated with computer room relative humidity H2Under dew-point temperature
T3, the maximum temperature of refrigeration end 7 that computer room work allows is T4, computer room humidity is within a preset range as described
And the refrigeration terminal temperature exceeds preset range, i.e. T1≥T4≥T3When, control first throttle part 5 increases
Aperture is to increase the refrigeration intensity of refrigeration mode, until meeting T4≥T1≥T3。
When the present embodiment performs the method that embodiment two is proposed, first, start compressor 4, open refrigeration mode,
Detect current refrigeration terminal temperature T in real time by calculation control unit1, computer room temperature T2It is relatively wet with computer room
H is spent, according to computer room temperature T2Current computer room temperature T is calculated with computer room relative humidity H2Under dew-point temperature
T3, the maximum temperature of refrigeration end 7 that computer room work allows is T4, terminal temperature of freezing as described is in default model
The computer room humidity exceeds preset range, i.e. T in enclosing4≥T3≥T1When, while operation refrigeration mode,
The closure member 17 of dehumidifying component is opened, the aperture of the second throttling element 16 of control is turned down, into dehumidification mode, directly
To meeting T4≥T1≥T3。
When the present embodiment performs the method that embodiment three is proposed, first, start compressor 4, open refrigeration mode,
Detect current refrigeration terminal temperature T in real time by calculation control unit1, computer room temperature T2It is relatively wet with computer room
H is spent, according to computer room temperature T2Current computer room temperature T is calculated with computer room relative humidity H2Under dew-point temperature
T3, the maximum temperature of refrigeration end 7 that computer room work allows is T4, such as refrigeration terminal temperature and computer room humidity are equal
During beyond preset range, i.e. T3≥T1≥T4When, while keeping refrigeration mode, open cutting for dehumidifying component
Part 17 is flowed, the aperture of the second throttling element 16 of control is tuned up, and into compensation model, system is met T as early as possible1
≥T4≥T3, control first throttle part 5 to increase aperture to increase the refrigeration intensity of refrigeration mode immediately, until full
Sufficient T4≥T1≥T3。
The installation of integral type is employed to the cooling assembly and the dehumidifying component, it is good with systematicness, it is integrated
The high advantage of degree.
Cooling assembly has selected compressor 4 and heat exchanger 6, it is adaptable to require higher data center's machine to refrigeration
Room.
Embodiment five:
In order to realize the compound refrigerated dehumidification method of above-described embodiment, the present embodiment proposes a kind of refrigerated dehumidification
Hybrid system, for data center machine room, as shown in Fig. 2 be respectively arranged with from right to left condenser 1, into
The respective free-standing cooling assembly installed and the refrigeration end 7 of the dehumidifying component, and end, each portion
Divide and be connected by pipe group, the pipe group enters pipe 3, refrigerant outlet pipe 2 and refrigerant side pipe 10 including refrigerant,
The dehumidifying component enters pipe 3 and the refrigerant outlet pipe 2 by the side of pipe by refrigerant 10 located at the refrigerant
On, for air is dehumidified and cold compensation, refrigerant enter on pipe 3 be provided be used for control the system
Cold component enters the first throttle part 5 of refrigeration mode, and for controlling institute on pipe 10 by the refrigerant
Dehumidifying component is stated into dehumidification mode or the second throttling element 16 of compensation model, while also including being used to obtain number
According to the calculation control unit of central machine room temperature and humidity data, the calculation control unit is according to the temperature of acquisition
Result is determined with humidity data, enters refrigeration mode according to first throttle part 5 described in output control and control is described
Second throttling element 16 switches dehumidification mode or compensation model.
More specifically, the cooling assembly includes refrigerated medium pump 18, heat exchanger 6 and compressor 4, the system
Cryogenic fluid pump 18 enters on pipe 3 located at the refrigerant, and the compressor 4 is located in the refrigerant outlet pipe 2,
The refrigerant enters pipe 3 and the refrigerant outlet pipe 2 and is connected respectively with the heat exchanger 6, the dehumidifying component
By dehumidifying, the side of pipe fitting 11 enters on pipe 3 and refrigerant outlet pipe 2 located at the refrigerant, and the dehumidifying component is also
Provided with the dehumidifying fan 14 for conveying data center air, for collecting the cold of dehumidifying pipe fitting 11 generation
The tank 12 of solidifying water, the drainpipe 13 for excluding the condensed water in the tank 12, and for exhaust
Exhaust outlet 9, damp atmosphere 15 is sucked in dehumidifying component by dehumidifying fan 14, by the pipe fitting 11 that dehumidifies, empty
Moisture in gas condensation to the cold, falls into tank 12, is discharged by drainpipe 13, subsequent low humidity air 8
Discharged by exhaust outlet 9.
In the present embodiment, as shown in figure 5, the workflow of calculation control unit is:
Obtain temperature and humidity data, including refrigeration terminal temperature T1, computer room temperature T2, computer room relative humidity
H and refrigeration end allow maximum temperature T4;
Calculate current computer room temperature T2Under dew-point temperature T3;
Whether within a preset range to judge computer room humidity and refrigeration terminal temperature:
If T1≥T4≥T3;Control first throttle part tunes up aperture, strengthens refrigeration mode intensity;
If T4≥T3≥T1;The second throttling element is controlled to turn aperture down, operation refrigeration mode simultaneously, opens dehumidifying mould
Formula;
If T3≥T1≥T4;Run refrigeration mode simultaneously, the second throttling element of control tunes up aperture, open compensation mould
Formula, temperature change meets T1≥T4≥T3When, strengthen the refrigeration intensity of refrigeration mode.
Judge whether to meet T4≥T1≥T3If meeting and continuing to monitor, until terminating.
In the present embodiment, provided with three refrigeration ends 7, of course, it is to be understood that it can also be other numbers to be,
It can be set according to the actual conditions of data center machine room.
The throttling element 16 of first throttle part 5 and second is electric expansion valve in the present embodiment, passes through control first
The aperture of throttling element 5 can control the cold that cooling assembly is delivered to refrigeration end 7, when tuning up first throttle part 5
Aperture when, refrigeration degree increase, otherwise reduce.
When the present embodiment performs the method that embodiment one is proposed, first, start compressor 4, open refrigeration mode,
Detect current refrigeration terminal temperature T in real time by calculation control unit1, computer room temperature T2It is relatively wet with computer room
H is spent, according to computer room temperature T2Current computer room temperature T is calculated with computer room relative humidity H2Under dew-point temperature
T3, the maximum temperature of refrigeration end 7 that computer room work allows is T4, computer room humidity is within a preset range as described
And the refrigeration terminal temperature exceeds preset range, i.e. T1≥T4≥T3When, control first throttle part 5 increases
Aperture is to increase the refrigeration intensity of refrigeration mode, until meeting T4≥T1≥T3。
When the present embodiment performs the method that embodiment two is proposed, first, start compressor 4, open refrigeration mode,
Detect current refrigeration terminal temperature T in real time by calculation control unit1, computer room temperature T2It is relatively wet with computer room
H is spent, according to computer room temperature T2Current computer room temperature T is calculated with computer room relative humidity H2Under dew-point temperature
T3, the maximum temperature of refrigeration end 7 that computer room work allows is T4, terminal temperature of freezing as described is in default model
The computer room humidity exceeds preset range, i.e. T in enclosing4≥T3≥T1When, while operation refrigeration mode,
The closure member 17 of dehumidifying component is opened, the aperture of the second throttling element 16 of control is turned down, into dehumidification mode, directly
To meeting T4≥T1≥T3。
When the present embodiment performs the method that embodiment three is proposed, first, start compressor 4, open refrigeration mode,
Detect current refrigeration terminal temperature T in real time by calculation control unit1, computer room temperature T2It is relatively wet with computer room
H is spent, according to computer room temperature T2Current computer room temperature T is calculated with computer room relative humidity H2Under dew-point temperature
T3, the maximum temperature of refrigeration end 7 that computer room work allows is T4, such as refrigeration terminal temperature and computer room humidity are equal
During beyond preset range, i.e. T3≥T1≥T4When, while keeping refrigeration mode, open cutting for dehumidifying component
Part 17 is flowed, the aperture of the second throttling element 16 of control is tuned up, and into compensation model, system is met T as early as possible1
≥T4≥T3, control first throttle part 5 to increase aperture to increase the refrigeration intensity of refrigeration mode immediately, until full
Sufficient T4≥T1≥T3。
The cooling assembly and the dehumidifying component are installed using stand alone type, cooling assembly selects refrigerated medium pump
18th, heat exchanger 6 and the compressor 4, it is adaptable to transform existed system, only need to be in pipe group directly
Dehumidifying component is added, transformation is easy, and cost is small.
Cooling assembly has selected refrigerated medium pump 18, compressor 4 and heat exchanger 6 to be applied to, and dehumidifying component is independent
The system of installation, it is ensured that the refrigerant normal circulation of system, it is ensured that dehumidifying component is normally run with cooling assembly.
Embodiment six:
In order to realize the compound refrigerated dehumidification method of above-described embodiment, the present embodiment proposes a kind of refrigerated dehumidification
Hybrid system, for data center machine room, as shown in figure 3, be respectively arranged with from right to left condenser 1, into
The cooling assembly and the dehumidifying component that integral type is installed, and end refrigeration end 7, various pieces are equal
It is connected by pipe group, the pipe group enters pipe 3, refrigerant outlet pipe 2 and refrigerant side pipe 10, institute including refrigerant
Dehumidifying component is stated by the side of pipe by refrigerant 10 located at the refrigerant to enter on pipe 3 and the refrigerant outlet pipe 2,
For air is dehumidified and cold compensation, refrigerant enter on pipe 3 be provided be used for control the refrigeration train
Part enters the first throttle part 5 of refrigeration mode, and for controlling described remove on pipe 10 by the refrigerant
Wet component enters the second throttling element 16 of dehumidification mode or compensation model, while also including being used to obtain in data
The calculation control unit of scheming room temperature and humidity data, the calculation control unit is according to the temperature of acquisition and wet
Degrees of data determines result, enters refrigeration mode and control described second according to first throttle part 5 described in output control
Throttling element 16 switches dehumidification mode or compensation model.
More specifically, the cooling assembly includes compressor 4, and the compressor 4 is located at refrigerant outlet pipe 2
On, the cooling assembly enters pipe 3 and the refrigerant outlet pipe 2 and the condenser 1 by the refrigerant
It is connected, the dehumidifying component located at the refrigerant by the pipe fitting 11 that dehumidifies by entering pipe 3 and refrigerant outlet pipe 2
On, the dehumidifying component is additionally provided with the dehumidifying fan 14 for conveying data center air, described for collecting
The tank 12 for the condensed water that the pipe fitting 11 that dehumidifies is produced, the draining for excluding the condensed water in the tank 12
Pipe 13, and the exhaust outlet 9 for exhaust, damp atmosphere 15 are sucked in dehumidifying component by dehumidifying fan 14,
By the pipe fitting 11 that dehumidifies, moisture in air condensation to the cold falls into tank 12, discharged by drainpipe 13,
Subsequent low humidity air 8 is discharged by exhaust outlet 9.
In the present embodiment, as shown in figure 5, the workflow of calculation control unit is:
Obtain temperature and humidity data, including refrigeration terminal temperature T1, computer room temperature T2, computer room relative humidity
H and refrigeration end allow maximum temperature T4;
Calculate current computer room temperature T2Under dew-point temperature T3;
Whether within a preset range to judge computer room humidity and refrigeration terminal temperature:
If T1≥T4≥T3;Control first throttle part tunes up aperture, strengthens refrigeration mode intensity;
If T4≥T3≥T1;The second throttling element is controlled to turn aperture down, operation refrigeration mode simultaneously, opens dehumidifying mould
Formula;
If T3≥T1≥T4;Run refrigeration mode simultaneously, the second throttling element of control tunes up aperture, open compensation mould
Formula, temperature change meets T1≥T4≥T3When, strengthen the refrigeration intensity of refrigeration mode.
Judge whether to meet T4≥T1≥T3If meeting and continuing to monitor, until terminating.
In the present embodiment, provided with three refrigeration ends 7, of course, it is to be understood that it can also be other numbers to be,
It can be set according to the actual conditions of data center machine room.
The throttling element 16 of first throttle part 5 and second is electric expansion valve in the present embodiment, passes through control first
The aperture of throttling element 5 can control the cold that cooling assembly is delivered to refrigeration end 7, when tuning up first throttle part 5
Aperture when, refrigeration degree increase, otherwise reduce.
When the present embodiment performs the method that embodiment one is proposed, first, start compressor 4, open refrigeration mode,
Detect current refrigeration terminal temperature T in real time by calculation control unit1, computer room temperature T2It is relatively wet with computer room
H is spent, according to computer room temperature T2Current computer room temperature T is calculated with computer room relative humidity H2Under dew-point temperature
T3, the maximum temperature of refrigeration end 7 that computer room work allows is T4, computer room humidity is within a preset range as described
And the refrigeration terminal temperature exceeds preset range, i.e. T1≥T4≥T3When, control first throttle part 5 increases
Aperture is to increase the refrigeration intensity of refrigeration mode, until meeting T4≥T1≥T3。
When the present embodiment performs the method that embodiment two is proposed, first, start compressor 4, open refrigeration mode,
Detect current refrigeration terminal temperature T in real time by calculation control unit1, computer room temperature T2It is relatively wet with computer room
H is spent, according to computer room temperature T2Current computer room temperature T is calculated with computer room relative humidity H2Under dew-point temperature
T3, the maximum temperature of refrigeration end 7 that computer room work allows is T4, terminal temperature of freezing as described is in default model
The computer room humidity exceeds preset range, i.e. T in enclosing4≥T3≥T1When, while operation refrigeration mode,
The closure member 17 of dehumidifying component is opened, the aperture of the second throttling element 16 of control is turned down, into dehumidification mode, directly
To meeting T4≥T1≥T3。
When the present embodiment performs the method that embodiment three is proposed, first, start compressor 4, open refrigeration mode,
Detect current refrigeration terminal temperature T in real time by calculation control unit1, computer room temperature T2It is relatively wet with computer room
H is spent, according to computer room temperature T2Current computer room temperature T is calculated with computer room relative humidity H2Under dew-point temperature
T3, the maximum temperature of refrigeration end 7 that computer room work allows is T4, such as refrigeration terminal temperature and computer room humidity are equal
During beyond preset range, i.e. T3≥T1≥T4When, while keeping refrigeration mode, open cutting for dehumidifying component
Part 17 is flowed, the aperture of the second throttling element 16 of control is tuned up, and into compensation model, system is met T as early as possible1
≥T4≥T3, control first throttle part 5 to increase aperture to increase the refrigeration intensity of refrigeration mode immediately, until full
Sufficient T4≥T1≥T3。
The installation of integral type is employed to the cooling assembly and the dehumidifying component, it is good with systematicness, it is integrated
The high advantage of degree.
Cooling assembly has only selected compressor 4, it is adaptable to requires relatively low data center machine room to refrigeration, makes
The simple in construction of cooling assembly is obtained, lightweight, heat exchange efficiency is higher.
Embodiment seven:
In order to realize the compound refrigerated dehumidification method of above-described embodiment, the present embodiment proposes a kind of refrigerated dehumidification
Hybrid system, for data center machine room, as shown in figure 4, be respectively arranged with from right to left condenser 1, into
The respective free-standing cooling assembly installed and the refrigeration end 7 of the dehumidifying component, and end, each portion
Divide and be connected by pipe group, the pipe group enters pipe 3, refrigerant outlet pipe 2 and refrigerant side pipe 10 including refrigerant,
The dehumidifying component enters pipe 3 and the refrigerant outlet pipe 2 by the side of pipe by refrigerant 10 located at the refrigerant
On, for air is dehumidified and cold compensation, refrigerant enter on pipe 3 be provided be used for control the system
Cold component enters the first throttle part 5 of refrigeration mode, and for controlling institute on pipe 10 by the refrigerant
Dehumidifying component is stated into dehumidification mode or the second throttling element 16 of compensation model, while also including being used to obtain number
According to the calculation control unit of central machine room temperature and humidity data, the calculation control unit is according to the temperature of acquisition
Result is determined with humidity data, enters refrigeration mode according to first throttle part 5 described in output control and control is described
Second throttling element 16 switches dehumidification mode or compensation model.
More specifically, the cooling assembly includes compressor 4, and the compressor 4 is located at refrigerant outlet pipe 2
On, the first throttle part 5 enters on pipe 3 located at refrigerant, the dehumidifying component by the pipe fitting 11 that dehumidifies by
Enter located at the refrigerant on pipe 3 and refrigerant outlet pipe 2, the dehumidifying component is additionally provided with for conveying in data
The dehumidifying fan 14 of heart air, the tank 12 for collecting the condensed water that the dehumidifying pipe fitting 11 is produced, is used for
The drainpipe 13 of the condensed water in the tank 12, and the exhaust outlet 9 for exhaust are excluded, high humility is empty
Gas 15 is sucked in dehumidifying component by dehumidifying fan 14, by the pipe fitting 11 that dehumidifies, and the moisture in air coagulates to the cold
Dew, falls into tank 12, is discharged by drainpipe 13, subsequent low humidity air 8 is discharged by exhaust outlet 9.
In the present embodiment, as shown in figure 5, the workflow of calculation control unit is:
Obtain temperature and humidity data, including refrigeration terminal temperature T1, computer room temperature T2, computer room relative humidity
H and refrigeration end allow maximum temperature T4;
Calculate current computer room temperature T2Under dew-point temperature T3;
Whether within a preset range to judge computer room humidity and refrigeration terminal temperature:
If T1≥T4≥T3;Control first throttle part tunes up aperture, strengthens refrigeration mode intensity;
If T4≥T3≥T1;The second throttling element is controlled to turn aperture down, operation refrigeration mode simultaneously, opens dehumidifying mould
Formula;
If T3≥T1≥T4;Run refrigeration mode simultaneously, the second throttling element of control tunes up aperture, open compensation mould
Formula, when temperature change meets T1 >=T4 >=T3, strengthens the refrigeration intensity of refrigeration mode.
Judge whether to meet T4≥T1≥T3If meeting and continuing to monitor, until terminating.In the present embodiment, it is provided with
Three refrigeration ends 7, of course, it is to be understood that it can also be other numbers to be, can be according to data center machine room
Actual conditions are set.
The throttling element 16 of first throttle part 5 and second is electric expansion valve in the present embodiment, passes through control first
The aperture of throttling element 5 can control the cold that cooling assembly is delivered to refrigeration end 7, when tuning up first throttle part 5
Aperture when, refrigeration degree increase, otherwise reduce.
When the present embodiment performs the method that embodiment one is proposed, first, start compressor 4, open refrigeration mode,
Detect current refrigeration terminal temperature T in real time by calculation control unit1, computer room temperature T2It is relatively wet with computer room
H is spent, according to computer room temperature T2Current computer room temperature T is calculated with computer room relative humidity H2Under dew-point temperature
T3, the maximum temperature of refrigeration end 7 that computer room work allows is T4, computer room humidity is within a preset range as described
And the refrigeration terminal temperature exceeds preset range, i.e. T1≥T4≥T3When, control first throttle part 5 increases
Aperture is to increase the refrigeration intensity of refrigeration mode, until meeting T4≥T1≥T3。
When the present embodiment performs the method that embodiment two is proposed, first, start compressor 4, open refrigeration mode,
Detect current refrigeration terminal temperature T in real time by calculation control unit1, computer room temperature T2It is relatively wet with computer room
H is spent, according to computer room temperature T2Current computer room temperature T is calculated with computer room relative humidity H2Under dew-point temperature
T3, the maximum temperature of refrigeration end 7 that computer room work allows is T4, terminal temperature of freezing as described is in default model
The computer room humidity exceeds preset range, i.e. T in enclosing4≥T3≥T1When, while operation refrigeration mode,
The closure member 17 of dehumidifying component is opened, the aperture of the second throttling element 16 of control is turned down, into dehumidification mode, directly
To meeting T4≥T1≥T3。
When the present embodiment performs the method that embodiment three is proposed, first, start compressor 4, open refrigeration mode,
Detect current refrigeration terminal temperature T in real time by calculation control unit1, computer room temperature T2It is relatively wet with computer room
H is spent, according to computer room temperature T2Current computer room temperature T is calculated with computer room relative humidity H2Under dew-point temperature
T3, the maximum temperature of refrigeration end 7 that computer room work allows is T4, such as refrigeration terminal temperature and computer room humidity are equal
During beyond preset range, i.e. T3≥T1≥T4When, while keeping refrigeration mode, open cutting for dehumidifying component
Part 17 is flowed, the aperture of the second throttling element 16 of control is tuned up, and into compensation model, system is met T as early as possible1
≥T4≥T3, control first throttle part 5 to increase aperture to increase the refrigeration intensity of refrigeration mode immediately, until full
Sufficient T4≥T1≥T3。
The cooling assembly and the dehumidifying component are installed using stand alone type, cooling assembly selects refrigerated medium pump
18th, heat exchanger 6 and the compressor 4, it is adaptable to transform existed system, only need to be in pipe group directly
Dehumidifying component is added, transformation is easy, and cost is small.
Cooling assembly has only selected compressor 4, it is adaptable to requires relatively low data center machine room to refrigeration, makes
The simple in construction of cooling assembly is obtained, lightweight, heat exchange efficiency is higher.
Refrigeration control is not only integrated in same system with Dehumidification controlling and is easily installed and safeguards, and detection and control
System is more accurate.Direct expansion system in main frame cools down end system by dividing wall type heat exchanger 6, and according to reality
Compressor 4 and throttle valve element, which are adjusted, for border refrigeration demand and dew-point temperature realizes dry and cold cooling;Draw simultaneously
Refrigerant liquid and throttle valve element pass through the second throttling element 16 of pipe 10 by refrigerant to the pipe fitting 11 that dehumidifies all the way
Switch and regulation realize regulation to computer room overall humidity.Although this system is in computer room high humility in order to meet
Dry cooling condition operation has turned first throttle part 5 down so as to increase the refrigeration refrigerant temperature of end 7, will also result in end
The decay of refrigerating capacity is held, but by the regulation of the second throttling element 16, dehumidifying pipe fitting 11 is removed to computer room
It while wet, can also be freezed, play a part of cold compensation, significantly alleviate under extreme heat load condition
The problem of end refrigerating capacity is by the thermic load for meeting server is difficult to, server reliably working is ensured, is so both protected
The humid control of whole building environment has been demonstrate,proved, the heat exchange of server near-end high efficient and reliable has been taken into account again.
It would be recognized by those skilled in the art that it is possible that numerous accommodations are made to above description, so embodiment
It is intended merely to describe one or more particular implementations.
Although having been described above and describing the example embodiment for being counted as the present invention, those skilled in the art will be bright
In vain, it can be variously modified and replaced, without departing from the spirit of the present invention.Furthermore it is possible to make
Many modifications are so that particular case to be fitted to the religious doctrine of the present invention, without departing from invention described herein center
Concept.So, the present invention is not only restricted to specific embodiment disclosed here, but the present invention may also include belonging to
All embodiments and its equivalent of the scope of the invention.
Claims (10)
1. a kind of compound refrigerated dehumidification method, for data center machine room, it is characterised in that:
This method includes refrigeration mode, three kinds of mode of operations of dehumidification mode and compensation model;
First, in cooling mode, current refrigeration terminal temperature T is detected in real time1, computer room temperature T2And machine
Room relative humidity H, according to computer room temperature T2Current computer room temperature T is calculated with computer room relative humidity H2Under
Dew-point temperature T3, the refrigeration end maximum temperature that computer room work allows is T4;
The refrigeration terminal temperature exceeds preset range, i.e. T to computer room humidity within a preset range as described1≥
T4≥T3When, increase the refrigeration intensity of refrigeration mode, until meeting T4≥T1≥T3;
The computer room humidity exceeds preset range, i.e. T to refrigeration terminal temperature within a preset range as described4≥
T3≥T1When, while operation refrigeration mode, dehumidification mode is opened, until meeting T4≥T1≥T3;
Terminal temperature of such as freezing and computer room humidity exceed preset range, i.e. T3≥T1≥T4When, keep refrigeration
While pattern, compensation model is opened, jointly controls refrigeration and dehumidifies so that temperature is changed stepwise and reached
T4≥T1≥T3During, not condensation all the time.
2. compound refrigerated dehumidification method as claimed in claim 1, it is characterised in that:The dehumidification mode
To maintain the computer room temperature T2The computer room relative humidity H is reduced to reduce the dew-point temperature T3。
3. compound refrigerated dehumidification method as claimed in claim 1, it is characterised in that:The compensation model
In running, the computer room relative humidity H was not only reduced but also had reduced the computer room temperature T2, and ensure air
In relative humidity H in the computer room temperature T2Under be in unsaturated state all the time, faster to reduce the dew
Point temperature T3。
4. compound refrigerated dehumidification method as claimed in claim 1, it is characterised in that:The data center
Refrigeration end in computer room is provided with two or more, according to deviate the maximum refrigeration terminal temperature of preset range and/or
Humidity carries out pattern switching in computer room.
5. a kind of refrigerated dehumidification hybrid system, for data center machine room, it is characterised in that:Including pipe group,
Condenser, cooling assembly and the refrigeration end being connected by pipe group, side is used to enter air in the pipe group
Row dehumidifying and the dehumidifying component of cold compensation, are used to control the cooling assembly to enter system in the pipe group
The first throttle part of chill formula, and in the pipe group be used for control the dehumidifying component enter dehumidification mode or
Second throttling element of compensation model, and controlled for the calculating for obtaining data center machine room temperature and humidity data
Unit, the calculation control unit goes out result according to the temperature and humidity data judging of acquisition, according to output control institute
First throttle part is stated into refrigeration mode and the second throttling element switching dehumidification mode or compensation model is controlled.
6. refrigerated dehumidification hybrid system as claimed in claim 5, it is characterised in that:The pipe group includes system
Cryogen enters manages by pipe, refrigerant outlet pipe and refrigerant, and the dehumidifying component includes closure member and dehumidifying pipe fitting, institute
Dehumidifying pipe fitting, second throttling element and the closure member are stated with pipe by the refrigerant.
7. refrigerated dehumidification hybrid system as claimed in claim 6, it is characterised in that:The cooling assembly and
The dehumidifying component is integrated to be installed, and the cooling assembly includes heat exchanger and compressor, the first throttle
Component enters on pipe located at refrigerant, and the compressor is in refrigerant outlet pipe, and the refrigerant enters pipe and described
Refrigerant outlet pipe is connected with the heat exchanger respectively, and the dehumidifying component by pipe by refrigerant by being located at the system
Cryogen enters on pipe and refrigerant outlet pipe.
8. refrigerated dehumidification hybrid system as claimed in claim 6, it is characterised in that:The cooling assembly and
Dehumidifying component is independently installed, and the cooling assembly includes refrigerated medium pump, heat exchanger and compressor, the system
Cryogenic fluid pump enters on pipe located at the refrigerant, and the compressor is in the refrigerant outlet pipe, the first segment
Stream part enter located at refrigerant on pipe, the refrigerant enter pipe and the refrigerant outlet pipe respectively with the heat exchanger phase
Even, the dehumidifying component by pipe by refrigerant located at the refrigerant by entering on pipe and refrigerant outlet pipe.
9. refrigerated dehumidification hybrid system as claimed in claim 6, it is characterised in that:The cooling assembly with
The dehumidifying component is integrated to be installed, and the cooling assembly includes compressor, and the first throttle part is located at system
Cryogen enters on pipe, and the compressor is in refrigerant outlet pipe, and the cooling assembly enters pipe by the refrigerant
It is connected with the refrigerant outlet pipe with the condenser, the dehumidifying component is described by being located at by pipe by refrigerant
Refrigerant enters on pipe and refrigerant outlet pipe.
10. refrigerated dehumidification hybrid system as claimed in claim 6, it is characterised in that:The cooling assembly and
Dehumidifying component is independently installed, and the cooling assembly includes compressor, and the compressor is located at refrigerant outlet pipe
On, the first throttle part enters on pipe located at refrigerant, and the dehumidifying component by pipe by refrigerant by being located at institute
Refrigerant is stated to enter on pipe and refrigerant outlet pipe.
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Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1119261A (en) * | 1994-06-02 | 1996-03-27 | Lg电子株式会社 | Dewaterring apparatus and method of air conditioner |
CN2542968Y (en) * | 2002-04-28 | 2003-04-02 | 浙江国祥制冷工业股份有限公司 | Thermostatic and humidistatic machine set |
CN1223804C (en) * | 2001-03-02 | 2005-10-19 | 株式会社茬原制作所 | Heat pump and dehumidifying air-conditioning apparatus |
US20060254294A1 (en) * | 2002-10-30 | 2006-11-16 | Mitsubishi Denki Kabushik Kaisha | Air conditioner |
CN101666526A (en) * | 2009-09-18 | 2010-03-10 | 南京理工大学 | Temperature adjusting and dehumidifying air-conditioning unit with double evaporators |
CN104896637A (en) * | 2015-05-30 | 2015-09-09 | 华为技术有限公司 | Light-load dehumidification and refrigeration method and device |
-
2016
- 2016-02-25 CN CN201610105477.5A patent/CN107120746B/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1119261A (en) * | 1994-06-02 | 1996-03-27 | Lg电子株式会社 | Dewaterring apparatus and method of air conditioner |
CN1223804C (en) * | 2001-03-02 | 2005-10-19 | 株式会社茬原制作所 | Heat pump and dehumidifying air-conditioning apparatus |
CN2542968Y (en) * | 2002-04-28 | 2003-04-02 | 浙江国祥制冷工业股份有限公司 | Thermostatic and humidistatic machine set |
US20060254294A1 (en) * | 2002-10-30 | 2006-11-16 | Mitsubishi Denki Kabushik Kaisha | Air conditioner |
CN101666526A (en) * | 2009-09-18 | 2010-03-10 | 南京理工大学 | Temperature adjusting and dehumidifying air-conditioning unit with double evaporators |
CN104896637A (en) * | 2015-05-30 | 2015-09-09 | 华为技术有限公司 | Light-load dehumidification and refrigeration method and device |
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