CN103900189B - The refrigeration control method of a kind of machine room, Apparatus and system - Google Patents
The refrigeration control method of a kind of machine room, Apparatus and system Download PDFInfo
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- CN103900189B CN103900189B CN201210579562.7A CN201210579562A CN103900189B CN 103900189 B CN103900189 B CN 103900189B CN 201210579562 A CN201210579562 A CN 201210579562A CN 103900189 B CN103900189 B CN 103900189B
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Abstract
The present invention relates to technical field of refrigeration equipment, disclose the refrigeration control method of a kind of machine room, Apparatus and system.Described refrigeration control system includes: the first chiller, including being positioned at the cooling tower of outdoor, the first water pump and being positioned at the surface cooler of indoor, and influent stream pipe and return duct, wherein, water in described cooling tower is pumped into influent stream pipe by described first water pump, the coil inlet of described surface cooler connects with influent stream pipe, and outlet connects with return duct；First temperature sensor and the second temperature sensor, be respectively used to temperature information and return air temperature information outside sensing chamber；Control device, be used for when outdoor temperature is more than the first temperature threshold set and less than the second temperature threshold set, and when described outdoor temperature is less than return air temperature, controls new wind air-valve and open and control the first water pump unlatching.The refrigeration control system of the present invention, has saved energy consumption, improves the energy utilization rate of machine room.
Description
Technical field
The present invention relates to technical field of refrigeration equipment, particularly relate to the refrigeration control method of a kind of machine room, device and be
System.
Background technology
Data center, is commonly called as machine room, is the facility of a whole set of complexity.It not only includes that computer system is with other therewith
Supporting equipment (such as communicating and storage system), also comprises the data communication connection of redundancy, environmental control equipment, monitoring device
And various safety device.Existing data center, the ratio that energy cost accounts for machine room operation cost is higher, only less than half
Electric power for IT load, remaining electric power is then for infrastructure such as power supply and cooling systems.
The outdoor new wind natural cooling of utilization is a kind of energy conservation model of machine room, is subject to because it has obvious energy-saving effect
To paying close attention to greatly.
Currently with the refrigeration system of the new wind in outdoor as it is shown in figure 1, outdoor new wind passes through after new wind filter 1 filters again
Pressure fan 2 is sent directly into machine room 3, is discharged by machine room exhaust outlet 4 after heat absorption.But this refrigeration system is only capable of outdoor temperature in the winter time
Under relatively low operating mode run, owing to utilizing the outdoor cold source in winter, the phase that freely cools down of wind side is shorter, therefore other season still
Need to use the mechanical refrigeration pattern of routine, energy consumption is bigger.Additionally, the burden of new wind filter is very big, drainage screen is easy to be dirty stifled, needs
It is replaced as frequently as or clean and maintenance drainage screen, and easily brings outdoor air pollution into machine room, affect the air product that machine room is indoor
Matter.
Prior art has a drawback in that, utilizes outdoor new wind to be only capable of running in the case of temperature is relatively low in the winter time, its
He still needs to use conventional mechanical refrigeration mode season, and energy consumption is bigger.
Summary of the invention
The invention provides the refrigeration control method of a kind of machine room, Apparatus and system, in order to reduce the energy consumption for cooling of machine room,
Improve energy utilization rate.
The refrigeration control system of machine room of the present invention, including:
First chiller, including: it is positioned at the cooling tower of outdoor, the first water pump and is positioned at the surface cooler of indoor, Yi Jijin
Flow tube and return duct, wherein, the water in described cooling tower is pumped into influent stream pipe by described first water pump, and the coil pipe of described surface cooler enters
Mouth connects with influent stream pipe, and outlet connects with return duct；
The new wind filter of new wind outside filter chamber, including new wind air-valve, the new wind after filtration enters described surface cooler；
Pressure fan, for delivering to machine room by the air-out of described surface cooler；
Air return pipeline, one end is connected with machine room by the return air air-valve of return air inlet, the other end be communicated to described surface cooler with
Between new wind filter；
First temperature sensor, is arranged at outdoor, temperature information outside sensing chamber；
Second temperature sensor, is positioned at the return air air-valve side at machine room top, is used for detecting return air temperature information；
Control device, be connected with the first temperature sensor, the second temperature sensor and the first water pump signal respectively, for working as
Outdoor temperature is more than the first temperature threshold set and less than the second temperature threshold set, and described outdoor temperature is less than back
During air temperature, control new wind air-valve and open and control the first water pump unlatching.
Described refrigeration control system, described control device, it is further used for when outdoor temperature is more than the first temperature set
Degree threshold value the second temperature threshold less than setting, and when described outdoor temperature is not less than return air temperature, control return air air-valve
Open and control the first water pump and open.
Described refrigeration control system, also includes: the second chiller, and the air-out of the first chiller enters the second cooling
Device, the air-out of the second chiller enters pressure fan, and described second chiller includes the second water pump, aqua storage tank and spray
Device, water is pumped into spray thrower by the second water pump；
Described control device, is connected with the second water pump signal, is further used for when outdoor temperature is not less than second set
During temperature threshold, control return air air-valve and open, and control the first water pump and the unlatching of the second water pump.
Described refrigeration control system, described control device, it is further used for when outdoor temperature is not more than first set
During temperature threshold, control new wind air-valve and return air air-valve is opened, and control the second water pump unlatching.
Described refrigeration control system, also includes the air draft air-valve being arranged at machine room top exhaust outlet, described control device
It is further used for when new wind air-valve is opened, controls air draft air-valve and open.
The present invention is applied to the refrigeration control method of above-mentioned refrigeration control system, including:
Obtain current outdoor temperature information and return air temperature information；
When outdoor temperature is more than the first temperature threshold set and less than the second temperature threshold set, and described outdoor
When temperature is less than return air temperature, controls new wind air-valve and open and control the first water pump unlatching.
Described refrigeration control method, also includes:
When outdoor temperature is more than the first temperature threshold set and less than the second temperature threshold set, and described outdoor
When temperature is not less than return air temperature, controls return air air-valve and open and control the first water pump unlatching.
Described refrigeration control method, also includes:
When outdoor temperature is not less than the second temperature threshold set, controls return air air-valve and open, and control the first water pump
Open with the second water pump.
Described refrigeration control method, also includes:
When outdoor temperature is not more than the first temperature threshold set, controls new wind air-valve and return air air-valve is opened, and control
Make the second water pump to open.
For any one above-mentioned refrigeration control method, when new wind air-valve is opened, control air draft air-valve and open.
The refrigeration control device of machine room of the present invention, including:
Acquisition equipment, is used for obtaining outdoor temperature information and return air temperature information；
Control equipment, for when outdoor temperature is more than the first temperature threshold set and less than the second temperature threshold set
Value, and when described outdoor temperature is less than return air temperature, controls new wind air-valve and open and control the first water pump unlatching.
Described control equipment, is further used for when outdoor temperature is more than the first temperature threshold set and less than the of setting
Two temperature thresholds, and when described outdoor temperature is not less than return air temperature, control return air air-valve is opened and is controlled the first water pump and opens
Open.
Described control equipment, is further used for, when outdoor temperature is not less than the second temperature threshold set, controlling return air
Air-valve is opened, and controls the first water pump and the unlatching of the second water pump.
Described control equipment, is further used for, when outdoor temperature is not more than the first temperature threshold set, controlling new wind
Air-valve and return air air-valve are opened, and control the second water pump unlatching.
For above-mentioned control equipment, it is further used for when new wind air-valve is opened, controls air draft air-valve and open.
Above-mentioned refrigeration control method, device and the system of the present invention is particularly suitable for low humidity area.
In technical solution of the present invention, the first chiller and outdoor new wind synergism, the first chiller may utilize
Outdoor cold source cooling water, so that new wind cools down further and delivers to machine room, this refrigeration control system is applicable to outdoor temperature relatively
Gao Shi, such as season in spring and autumn, add the operation time of energy saver mode application, thus reduce energy consumption, improve utilization of energy
Rate.
Accompanying drawing explanation
Fig. 1 is the refrigeration control system structural representation of prior art machine room；
Fig. 2 is the refrigeration control system structural representation of machine room of the present invention；
Fig. 3 is the air handling process psychrometric chart of refrigeration control system first and second embodiment of machine room of the present invention；
Fig. 4 is the air handling process psychrometric chart of refrigeration control system the 3rd embodiment of machine room of the present invention；
Fig. 5 is the air handling process psychrometric chart of refrigeration control system the 4th embodiment of machine room of the present invention；
Fig. 6 is the refrigeration control method one embodiment schematic flow sheet of machine room of the present invention；
Fig. 7 is the schematic flow sheet of the refrigeration control method specific embodiment of machine room of the present invention；
Fig. 8 is the refrigeration control device structural representation of machine room of the present invention.
Reference:
1-new wind filter 2-pressure fan 3-machine room 4-exhaust outlet
5-the first chiller 6-return air inlet 7-the second chiller
11-the first temperature sensor 12-the second temperature sensor 13-controls device
51-the first water pump 52-cooling tower 53-surface cooler
71-the second water pump 72-spray thrower 73-aqua storage tank
31-obtains equipment 32-and controls equipment
Detailed description of the invention
In order to reduce the energy consumption for cooling of machine room, improve energy utilization rate, the invention provides the refrigeration control of a kind of machine room
Method, Apparatus and system, in this technical scheme, the first chiller is the cycle refrigeration system using the first water pump to drive,
Cooling tower is disposed in the outdoor, and available outdoor cold source cooling water, the power of the first water pump is relatively low, and the first chiller combines new wind
Cooling, can be applicable to energy saver mode the situation that outdoor temperature is higher, reduce energy consumption, improve energy utilization rate.For making
The object, technical solutions and advantages of the present invention are clearer, below lift specific embodiment and the present invention makees further details of theory
Bright.
Embodiment as shown in Figure 2, the refrigeration control system of machine room of the present invention, including:
First chiller 5, including: it is positioned at cooling tower 52, first water pump 51 of outdoor and is positioned at the surface cooler 53 of indoor,
And influent stream pipe and return duct, wherein, the water in described cooling tower 52 is pumped into influent stream pipe by described first water pump 51, and described table is cold
The coil inlet of device 53 connects with influent stream pipe, and outlet connects with return duct；
The new wind filter 1 of new wind outside filter chamber, including new wind air-valve, the new wind after filtration enters described surface cooler
53；
Pressure fan 2, for delivering to machine room 3 by the air-out of described surface cooler 53；
Air return pipeline, one end is connected with machine room 3 by the return air air-valve of return air inlet 6, and the other end is communicated to described surface cooler
Between 53 and new wind filter 1；
First temperature sensor 11, is arranged at outdoor, temperature information outside sensing chamber；
Second temperature sensor 12, is positioned at the return air air-valve side at machine room 3 top, is used for detecting return air temperature information；
Control device 13, connect with first temperature sensor the 11, second temperature sensor 12 and the first water pump 51 signal respectively
Connect, for more than the first temperature threshold set and being less than the second temperature threshold set when outdoor temperature, and described outdoor
When temperature is less than return air temperature, controls new wind air-valve and open and control the first water pump 51 and open.
The refrigeration control system of machine room of the present invention, the first chiller 5, new wind filter 1 and pressure fan 2 are not limited to sky
The form of gas disposal unit, can according to data center building feature flexible topology, such as can by the first chiller 5,
New wind filter 1 and pressure fan 2 are arranged in whole face wall or utilize a room to arrange an air conditioner unit, and
And, the cooling water in surface cooler 53 coil pipe is except can be from other cooling devices, new wind filter 1 in addition to cooling tower 11
Roughing efficiency air filter and medium effeciency filter can be divided into, additionally, the first temperature sensor 11 does not limits in outdoor installation site, as long as
It is not affected by miscellaneous part can detect outdoor temperature.The refrigeration control system of machine room of the present invention, when outdoor temperature is big
In the first temperature threshold set and less than the second temperature threshold set, and when described outdoor temperature is less than return air temperature,
Control device 5 to control new wind air-valve and open and open with the first water pump 51.First chiller 5 is to use the first water pump 51 to drive
Cycle refrigeration system, cooling tower 52 is disposed in the outdoor, available outdoor cold source cooling water, and the power of the first water pump 51 is the lowest,
First chiller 5 and outdoor new wind synergism, can be used for outdoor temperature higher when, reduce energy consumption, be greatly improved
The energy utilization rate of machine room.
First temperature threshold, the second temperature threshold rule of thumb set, and need to meet the first temperature threshold less than second
Temperature threshold, as the first temperature threshold can be set as 15 DEG C, the second temperature threshold can be set as 34 DEG C, but the present invention is also
It is not limited to these concrete numerical value.
The control device of the refrigeration control system of machine room of the present invention, is further used for when outdoor temperature is more than first set
Temperature threshold the second temperature threshold less than setting, and when described outdoor temperature is not less than return air temperature, control return air wind
Valve is opened and is controlled the first water pump 51 and opens.
The refrigeration control system of machine room of the present invention, uses full return air to cool down, and decreases the burden of new wind filter, and only first
The power consumption of water pump, saves the energy further.The psychrometric chart of the air handling process of the present embodiment is as it is shown on figure 3, be only signal
Figure, with machine room wind pushing temperature at 18 ~ 27 DEG C, as a example by computer room temperature 35 DEG C, outdoor air conditions W point is through the first chiller etc.
The wet S point that is cooled to is blown to machine room, and air returns to indoor design condition N point through heat moisture ratio line, due to the environment of the high hot low humidity of machine room,
Heat moisture ratio approximation infinity, heat moisture ratio line is close to vertical curve.In like manner, the air handling process of previous embodiment and the present embodiment
Psychrometric chart is similar, the most just repeats no more.
Continue referring to shown in Fig. 2, the refrigeration control system of machine room of the present invention, also include: the second chiller 7, first
The air-out of chiller 5 enters the second chiller 7, and the air-out of the second chiller 7 enters pressure fan 2, described second cooling
Device 7 includes that water is pumped into spray thrower 72 by the second water pump 71, aqua storage tank 73 and spray thrower 72, the second water pump 71；
Control device 13, be connected with the second water pump 71 signal, be further used for when outdoor temperature is not less than second set
During temperature threshold, control return air air-valve and open, and control the first water pump 51 and the second water pump 71 are opened.
The refrigeration control system of machine room of the present invention, when outdoor temperature is the highest, in such as summer, temperature is more than 34 DEG C, and first is cold
The cooling degree of radiator cooler is inadequate, adds the second chiller, and the second chiller can use spraying or the shape of shower water
Formula, it would however also be possible to employ metal packing or Organic substance/inorganic fillers.Owing to outside humidity in summer is relatively big, can increase according to new wind
Add machine room humidity, the problem easily causing condensation.At this moment use full return air to blow, reduce the burden of new wind filter, first
Chiller and the second chiller synergism, return air equal-enthalpy humidifying is cooled down, further by the spray thrower of the second chiller
Reduce the temperature of return air, and the second chiller has filtered the fine dust particles in air further, has purified air
Quality, plays cleaning function to air, it is ensured that enter the cleanliness factor of machine room air.The enthalpy of the air handling process of the present embodiment
Wet figure as shown in Figure 4, the most only schematic diagram, with machine room wind pushing temperature at 18 ~ 27 DEG C, as a example by computer room temperature 35 DEG C, indoor return air
Air condition N point is through wet air condition P points that is cooled to such as the first chillers colder through the second chiller equal-enthalpy humidifying
But arriving S point to blow to machine room, air returns to indoor design condition N ' point through heat moisture ratio line, due to the environment of the high hot low humidity of machine room, heat
Wet than approximation infinity, heat moisture ratio line is close to vertical curve.
The control device of the refrigeration control system of machine room of the present invention, is further used for when outdoor temperature is not more than the set
During one temperature threshold, control new wind air-valve and return air air-valve is opened, and control the second water pump 71 is opened.
In technical scheme, when outdoor temperature is relatively low, in such as winter, when temperature is not more than 15 DEG C, use
New return air mixed model air-supply, winter climate is dried, and outdoor temperature is low, it is only necessary to the second chiller is to the humidification cooling of new return air i.e.
Can.By to new wind, the Flow-rate adjustment of return air, after controlling mixing, new return air temperature is at 18 ~ 27 DEG C.The air-treatment of the present embodiment
The psychrometric chart of process is as it is shown in figure 5, be only schematic diagram, with machine room wind pushing temperature at 18 ~ 27 DEG C, as a example by computer room temperature 35 DEG C,
Outdoor air conditions W point mixes with indoor return air air condition N point and reaches P point, cools down through the second chiller equal-enthalpy humidifying
Blowing to machine room to S point, air returns to indoor design condition N ' point through heat moisture ratio line, and due to the environment of the high hot low humidity of machine room, heat is wet
Than approximation infinity, heat moisture ratio line is close to vertical curve.
The refrigeration control system of the present invention, also includes the air draft air-valve being arranged at machine room top exhaust outlet 4, controls device 13
It is further used for when new wind air-valve is opened, controls air draft air-valve and open.
In technical scheme, when new wind air-valve open, return air air-valve close time, i.e. use all-fresh air air-supply, newly
Wind enters machine room after filtering cooling, and the air of machine room increases, and by the air draft air-valve of exhaust outlet, unnecessary air is discharged to room
Outward；When new wind air-valve and return air air-valve are all opened, i.e. use new return air combination cooling, then air draft air-valve is opened, by machine room
Unnecessary air is discharged；When return air air-valve is opened, when new wind air-valve cuts out, i.e. use full return air to cool down, then air draft air-valve cuts out,
In holding machine room, the air pressure of air is suitable.In a word, when new wind air-valve is opened, the air draft air-valve of exhaust outlet will be opened, and be used for
Keep the stable gas pressure in machine room.
As shown in Figure 6, the first embodiment of the refrigeration control method of machine room of the present invention, including:
Step 101, obtain current outdoor temperature information and return air temperature information；
Step 102, judge that outdoor temperature is whether more than the first temperature threshold set and less than the second temperature threshold of setting
Value；
If it is, perform step 103, otherwise, return step 101；
Step 103, judge that outdoor temperature is whether less than return air temperature；
If it is, perform step 104, otherwise, return step 101；
Step 104, control new wind air-valve open and control first water pump open.
This embodiment method is applicable to outdoor temperature when not being the highest, and such as season in spring and autumn, such as the first temperature threshold set
Value is 15 DEG C, and the second temperature threshold set is as 34 DEG C, it is assumed that current return air temperature is 32 DEG C, and current outdoor temperature is 28
DEG C, current outdoor temperature, less than current return air temperature, controls new wind air-valve and opens and control the first water pump 51 and open, completely newly
Wind is by new wind filter and through the cooling of surface cooler, then enters machine room, the operation power of the first water pump 51 by pressure fan
The lowest, reduce the energy consumption of machine room on the whole, improve its energy utilization rate.The enthalpy of the air handling process of the present embodiment is wet
Figure as it is shown on figure 3, be only schematic diagram, consistent, no longer described in the corresponding embodiment to the refrigeration control system of machine room
Repeat.
Second embodiment of the refrigeration control method of machine room of the present invention, farther includes:
When outdoor temperature is more than the first temperature threshold set and less than the second temperature threshold set, and described outdoor
When temperature is not less than return air temperature, control return air air-valve is opened and is controlled the first water pump 51 and opens.
This embodiment method be applicable to outdoor temperature higher time, such as season in spring and autumn, as the first temperature threshold of setting as
15 DEG C, the second temperature threshold set is as 34 DEG C, it is assumed that current return air temperature is 33 DEG C, and current outdoor temperature is 32 DEG C,
The most current outdoor temperature is less than current return air temperature, then control return air air-valve is opened and controlled the first water pump 51 and opens,
Return air enters machine room by pressure fan again through the cooling of surface cooler, and the operation power of the first water pump 51 is the lowest, now, and new wind wind
Valve cuts out, and new wind filter quits work, and stopped the operation of new wind filter, decreased while utilizing outdoor cold source
The use of filter screen, it is to avoid it may pollute air in machine room, reduces the energy consumption of machine room, improves its energy utilization rate.This reality
Execute the psychrometric chart of the air handling process of example as it is shown on figure 3, be only schematic diagram, corresponding to the refrigeration control system of machine room real
That executes described in example is consistent, repeats no more.
3rd embodiment of the refrigeration control method of machine room of the present invention, may further comprise:
When outdoor temperature is not less than the second temperature threshold set, controls return air air-valve and open, and control the first water pump
51 and second water pump 71 open.
The method of the present embodiment be applicable to outdoor environment temperature the highest time, such as summer, as set the second temperature threshold
It is 34 DEG C, when i.e. outdoor temperature is not less than 34 DEG C, controls return air air-valve and open, and control the first water pump 51 and the second water pump 71 are opened
Opening, now outdoor temperature is the highest, it is clear that utilizes indoor return air to be more beneficial for reducing energy resource consumption, only relies on the first chiller 5
Return air temperature can not be effectively reduced, it is therefore desirable to be used in combination with the second chiller 72, make the wind pushing temperature of machine room more
Low.As shown in Figure 4, the most only schematic diagram, with the refrigeration control system of machine room for the psychrometric chart of the air handling process of the present embodiment
Corresponding embodiment described in consistent, repeat no more.In this scheme, new wind filter quits work, the only first cooling
Device and the work of the second chiller, energy consumption is relatively low.
4th embodiment of the refrigeration control method of machine room of the present invention, may further comprise:
When outdoor temperature is not more than the first temperature threshold set, controls new wind air-valve and return air air-valve is opened, and control
Make the second water pump 71 to open.
The present embodiment method be applicable to outdoor temperature relatively low time, such as winter, if the first temperature threshold set is as 15 DEG C,
I.e. when outdoor temperature is less than 15 DEG C, control new wind air-valve and return air air-valve is opened, and control the second water pump 71 is opened.Winter room
Outer sink temperature is the lowest, directly utilizes new wind and can not will be fed into the wind pushing temperature of machine room and control within the scope of suitable temperature, as
18 ~ 27 DEG C, thus use new return air mixed model, control to adjust respective flow by new air temperature and return air temperature, make
Mixed new return air controls to send into machine room within the scope of suitable temperature through the second chiller 7 humidification cooling again.This enforcement
The psychrometric chart of the air handling process of example as it is shown in figure 5, be only schematic diagram, enforcement corresponding to the refrigeration control system of machine room
Described in example unanimously, repeat no more.In this scheme, new wind filter is opened, and owing to new wind flow is relatively small, filters
The replacing of net need not be very frequent, and this programme has significant energy-saving effect, reduces energy consumption, improves the utilization of energy of machine room
Rate.
Above-mentioned refrigeration control method, when new wind air-valve is opened, controls air draft air-valve and opens.
No matter for the air-supply of machine room all-fresh air or new return air mixed ventilation, as long as when new wind air-valve is opened, exhaust outlet
Air draft air-valve will open, be used for the stable gas pressure kept in machine room.
As it is shown in fig. 7, the refrigeration control method of machine room of the present invention specific embodiment, comprise the following steps:
Step 201, acquisition current outdoor temperature information and return air temperature information；
Step 202, judge outdoor temperature more than set the first temperature threshold and less than setting the second temperature threshold；As
Fruit is, performs step 203, otherwise, performs step 204；
Step 203, judge that outdoor temperature is whether less than return air temperature；If it is, perform step 205, otherwise, perform step
206；
Step 205, control new wind air-valve open and control first water pump open；
Step 206, control return air air-valve are opened and are controlled the first water pump and open；
Step 204, judge that outdoor temperature is whether not less than the second temperature threshold set；If it is, perform step 207,
Otherwise, step 208 is performed；
Step 207, control return air air-valve are opened, and control the first water pump and the unlatching of the second water pump；
Step 208, control new wind air-valve and return air air-valve is opened, and control the second water pump and open.
As shown in Figure 8, based on identical inventive concept, present invention also offers the refrigeration control device of a kind of machine room, bag
Include:
Acquisition equipment 31, is used for obtaining outdoor temperature information and return air temperature information；
Control equipment 32, for when outdoor temperature is more than the first temperature threshold set and less than the second temperature threshold set
Value, and when described outdoor temperature is less than return air temperature, controls new wind air-valve and open and control the first water pump unlatching.
Preferably, control equipment 32, be further used for when outdoor temperature is more than the first temperature threshold set and less than setting
The second fixed temperature threshold, and when described outdoor temperature is not less than return air temperature, controls return air air-valve and open and control first
Water pump is opened.
Preferably, control equipment 32, be further used for, when outdoor temperature is not less than the second temperature threshold set, controlling
Return air air-valve is opened, and controls the first water pump and the unlatching of the second water pump.
Preferably, control equipment 32, be further used for, when outdoor temperature is not more than the first temperature threshold set, controlling
New wind air-valve and return air air-valve are opened, and control the second water pump unlatching.
For above-mentioned control equipment, it is further used for when new wind air-valve is opened, controls air draft air-valve and open.
Above-mentioned refrigeration control method, device and the system of the present invention is particularly suitable for low humidity area.
Obviously, those skilled in the art can carry out various change and the modification essence without deviating from the present invention to the present invention
God and scope.So, if these amendments of the present invention and modification belong to the scope of the claims in the present invention and equivalent technologies thereof
Within, then the present invention is also intended to comprise these change and modification.
Claims (14)
1. the refrigeration control system of a machine room, it is characterised in that including:
First chiller (5), including: it is positioned at the cooling tower (52) of outdoor, the first water pump (51) and is positioned at the surface cooler of indoor
(53), and influent stream pipe and return duct, wherein, the water in described cooling tower (52) is pumped into influent stream by described first water pump (51)
Pipe, the coil inlet of described surface cooler (53) connects with influent stream pipe, and outlet connects with return duct；
The new wind filter (1) of new wind outside filter chamber, including new wind air-valve, the new wind after filtration enters described surface cooler
(53)；
Pressure fan (2), for delivering to machine room (3) by the air-out of described surface cooler (53)；
Air return pipeline, one end is connected with machine room (3) by the return air air-valve of return air inlet (6), and the other end is communicated to described surface cooler
(53) and between new wind filter (1)；
First temperature sensor (11), is arranged at outdoor, temperature information outside sensing chamber；
Second temperature sensor (12), is positioned at the return air air-valve side at machine room (3) top, is used for detecting return air temperature information；
Control device (13), believe with the first temperature sensor (11), the second temperature sensor (12) and the first water pump (51) respectively
Number connect, for when outdoor temperature is more than the first temperature threshold set and less than the second temperature threshold of setting, and described
When outdoor temperature is less than return air temperature, controls new wind air-valve and open and control the first water pump (51) unlatching；
Described control device (13), is further used for when outdoor temperature is more than the first temperature threshold set and less than the of setting
Two temperature thresholds, and when described outdoor temperature is not less than return air temperature, controls return air air-valve and open and control the first water pump
(51) open.
2. refrigeration control system as claimed in claim 1, it is characterised in that also include: the second chiller (7), first is cold
The air-out of radiator cooler (5) enters the second chiller (7), and the air-out of the second chiller (7) enters pressure fan (2), and described the
Two chillers (7) include the second water pump (71), aqua storage tank (73) and spray thrower (72), and water is pumped into spray by the second water pump (71)
Device (72)；
Described control device (13), is connected with the second water pump (71) signal, is further used for when outdoor temperature is not less than setting
During the second temperature threshold, control return air air-valve and open, and control the first water pump (51) and the second water pump (71) unlatching.
3. refrigeration control system as claimed in claim 2, it is characterised in that described control device (13), is further used for working as
When outdoor temperature is not more than the first temperature threshold set, controls new wind air-valve and return air air-valve is opened, and control the second water pump
(71) open.
4. the refrigeration control system as described in any one of claims 1 to 3, it is characterised in that also include being arranged at machine room top
The air draft air-valve of exhaust outlet (4), described control device (13) is further used for when new wind air-valve is opened, and controls air draft air-valve and beats
Open.
5. the refrigeration control method being applied to refrigeration control system described in claim 1, it is characterised in that including:
Obtain current outdoor temperature information and return air temperature information；
When outdoor temperature is more than the first temperature threshold set and less than the second temperature threshold set, and described outdoor temperature
During less than return air temperature, control new wind air-valve and open and control the first water pump unlatching.
6. refrigeration control method as claimed in claim 5, it is characterised in that also include:
When outdoor temperature is more than the first temperature threshold set and less than the second temperature threshold set, and described outdoor temperature
During not less than return air temperature, control return air air-valve and open and control the first water pump unlatching.
7. want the refrigeration control method as described in 6 such as right, it is characterised in that also include:
When outdoor temperature is not less than the second temperature threshold set, controls return air air-valve and open, and control the first water pump and the
Two water pumps are opened.
8. want the refrigeration control method as described in 7 such as right, it is characterised in that also include:
When outdoor temperature is not more than the first temperature threshold set, controls new wind air-valve and return air air-valve is opened, and control the
Two water pumps are opened.
9. the refrigeration control method as described in any one of claim 5～8, it is characterised in that when new wind air-valve is opened, controls
Air draft air-valve is opened.
10. the refrigeration control device of the machine room being applied to refrigeration control system described in claim 1, it is characterised in that bag
Include:
Acquisition equipment, is used for obtaining outdoor temperature information and return air temperature information；
Control equipment, for more than the first temperature threshold set and being less than the second temperature threshold set when outdoor temperature, and
And described outdoor temperature less than return air temperature time, control new wind air-valve and open and control the first water pump and open.
11. refrigeration control devices as claimed in claim 10, it is characterised in that described control equipment, are further used for working as room
Outer temperature is more than the first temperature threshold set and less than the second temperature threshold set, and described outdoor temperature is not less than back
During air temperature, control return air air-valve and open and control the first water pump unlatching.
12. refrigeration control devices as claimed in claim 11, it is characterised in that described control equipment, are further used for working as room
When outer temperature is not less than the second temperature threshold set, controls return air air-valve and open, and control the first water pump and the second water pump are opened
Open.
13. refrigeration control devices as claimed in claim 12, it is characterised in that described control equipment, are further used for working as room
When outer temperature is not more than the first temperature threshold set, controls new wind air-valve and return air air-valve is opened, and control the second water pump is opened
Open.
14. refrigeration control devices as described in any one of claim 10～13, it is characterised in that described control equipment, enter one
Step, for when new wind air-valve is opened, controls air draft air-valve and opens.
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| CN104048378A (en) * | 2014-06-18 | 2014-09-17 | 南通鸿景天机械设备科技有限公司 | Circulating water indoor cooling system |
| CN105318421A (en) * | 2014-07-14 | 2016-02-10 | 中国移动通信集团公司 | Machine room, machine room airflow control method and device |
| CN204240505U (en) * | 2014-08-25 | 2015-04-01 | 中兴通讯股份有限公司 | A kind of refrigeration system and data center systems |
| CN105430998B (en) * | 2014-09-22 | 2018-10-16 | 广东申菱环境系统股份有限公司 | A kind of control method of fluorine pump internal-circulation type server cabinet cooling system |
| CN105757833B (en) * | 2016-03-11 | 2019-04-09 | 苏州明威医疗科技有限公司 | X-ray machine fresh air direct-cooling air conditioning system |
| CN106440167B (en) * | 2016-09-09 | 2019-06-25 | 郑州云海信息技术有限公司 | A kind of refrigeration system and its application method |
| CN110595013A (en) * | 2019-10-23 | 2019-12-20 | 李立华 | Air conditioner refrigeration method and system for data center and data center |
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Address after: Nanshan District Xueyuan Road in Shenzhen city of Guangdong province 518055 No. 1001 Nanshan Chi Park building B2 Patentee after: Vitamin Technology Co., Ltd. Address before: 518057 Nanshan District science and Technology Industrial Park, Guangdong, Shenzhen Branch Road, No. Patentee before: Aimosheng Network Energy Source Co., Ltd. |