CN105805904B - A kind of refrigeration control system and method for computer room - Google Patents
A kind of refrigeration control system and method for computer room Download PDFInfo
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- CN105805904B CN105805904B CN201410856639.XA CN201410856639A CN105805904B CN 105805904 B CN105805904 B CN 105805904B CN 201410856639 A CN201410856639 A CN 201410856639A CN 105805904 B CN105805904 B CN 105805904B
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Abstract
The present invention relates to technical field of refrigeration equipment, disclose the refrigeration control system and method for a kind of computer room, to reduce the energy consumption for cooling of computer room, improve energy utilization rate.Wherein, the refrigeration system of computer room includes: temperature-detecting device, for detecting outdoor temperature；Total heat exchange core, comprising: the first air inlet, the first return air inlet, the second air inlet and the second return air inlet carry out heat exchange for that will enter the intracorporal outdoor fresh air of Total heat exchange core and indoor wind；Outdoor fan, for driving outdoor fresh air to flow along the first air inlet to the first return air inlet；Indoor fan flows to the second return air inlet along the second air inlet for wind in drive chamber, and the indoor wind being discharged by the second return air inlet of Total heat exchange core is sent to computer room；Control device is connect with temperature-detecting device, outdoor fan and indoor fan signal respectively, for the comparison result according to temperature and setting threshold, controls the open and close of outdoor fan and indoor fan.
Description
Technical field
The present invention relates to technical field of refrigeration equipment, more particularly to the refrigeration control system and method for a kind of computer room.
Background technique
Data center is commonly called as computer room, is a whole set of complicated facility.It not only include computer system and it is other therewith
Matched equipment (such as communication and storage system), also the data communication connection comprising redundancy, environmental control equipment, monitoring device
And various safety devices.Existing data center, the ratio that energy cost accounts for computer room operation cost is higher, is only lower than half
Electric power be used for IT load, and remaining electric power is then used to power and the infrastructure such as cooling system.
A kind of energy conservation model of computer room using outdoor fresh air natural cooling, due to it is with obvious energy-saving effect by
To great concern.
But in air dried Beijing area, when winter calculator room equipment is freezed using outdoor air, outdoor fresh air enters
Behind interior, if it is unfavorable to bring to the operation of computer room without humidification, or even that computer room can be made to break down is out of service.And it is right
After outdoor fresh air is humidified, the energy and maintenance indoor relative humidity of computer room saving must humidify consumed energy, air-supply
It is compared with energy consumed by exhaust system, the energy of computer room saving and the energy of consumption are almost very nearly the same.In addition, domestic big
Portion area air quality is poor, and environmental pollution is heavier, and being introduced directly into fresh air will increase filter screen burden and wind collateral resistance, increases dimension
Shield and power consumption cost.
In summary pros and cons analysis using outdoor air as can be seen that directly freezed, in energy conservation not in winter
It is very significant, and complexity is controlled, and need a large amount of humidifications.
Summary of the invention
The present invention provides a kind of refrigeration control system of computer room and methods to improve to reduce the energy consumption for cooling of computer room
Energy utilization rate.
In order to achieve the above objectives, the present invention the following technical schemes are provided:
The present invention provides a kind of refrigeration control systems of computer room, comprising:
Temperature-detecting device, for detecting outdoor temperature；
Total heat exchange core, comprising: the first air inlet, the first return air inlet, the second air inlet and the second return air inlet, being used for will
Heat exchange is carried out into the intracorporal outdoor fresh air of Total heat exchange core and indoor wind；
Outdoor fan, for driving outdoor fresh air to flow along first air inlet to first return air inlet；
Indoor fan is flowed along second air inlet to second return air inlet for wind in drive chamber, and will be by institute
The indoor wind for stating the discharge of the second return air inlet of Total heat exchange core is sent to computer room；
Control device is connect with the temperature-detecting device, outdoor fan and indoor fan signal respectively, is used for basis
The comparison result of temperature and setting threshold, controls the open and close of the outdoor fan and indoor fan.
The refrigeration control system of computer room provided by the invention cools down computer room using indoor wind, by the way that full heat is arranged
Exchange core, can according to outdoor temperature and setting threshold comparison result, to control the open and close of outdoor fan and indoor fan,
When outdoor fan and indoor fan are opened, outdoor fresh air and indoor wind can carry out heat exchange, to reduce the temperature of indoor wind
Degree, and then can be freezed by indoor wind to computer room, it does not need again to humidify outdoor fresh air；Due to indoor wind and room
Outer fresh air only carries out heat exchange, so the humidity of indoor wind is constant, in addition, being cooled down by indoor wind to computer room, avoids
Outdoor fresh air enters computer room, improves the cleanliness of computer room air, therefore, the refrigeration control system of the computer room does not need in winter
Outdoor fresh air is humidified, thus reduces energy consumption, improves energy utilization rate.
In some alternative embodiments, the refrigeration control system of above-mentioned computer room further include: the first cooling device is used for
It is cooled down to the outdoor fresh air before heat exchange is carried out without Total heat exchange core, first cooling device and the control
The connection of device signal；
The control device is specifically used for:
When the outdoor temperature received is less than or equal to the first set temperature, controls the outdoor fan and indoor fan is opened
It opens, first cooling device is closed；
When the outdoor temperature received is greater than the first set temperature and is less than or equal to the second set temperature, the room is controlled
Outer blower, first cooling device and indoor fan are opened.When outdoor temperature be not it is very low, i.e., cannot be by outdoor new
It, can be advanced to outdoor fresh air by the first cooling device when wind directly carries out heat exchange with indoor wind to reduce indoor air temperature
Row cooling, outdoor fresh air after cooling carries out heat exchange with indoor wind again, and then indoor wind can to reach can reduce machine
The temperature of room heat can then close the first cooling device when outdoor temperature is very low.
In some alternative embodiments, the refrigeration control system of above-mentioned computer room further include:
Second cooling device, for being cooled down to without the indoor wind before the progress heat exchange of Total heat exchange core, institute
The second cooling device is stated to connect with the control device signal；
The control device is specifically used for:
When the outdoor temperature received is greater than the second set temperature, controls the outdoor fan and the first cooling device closes
It closes, the indoor fan and the second cooling device are opened.The refrigeration control system of computer room i.e. provided in an embodiment of the present invention is in the summer
When it freezes to computer room, it can directly be cooled down by the second cooling device of setting to indoor wind, then pass through cooling
Indoor wind afterwards freezes to computer room.
In some alternative embodiments, the outdoor fan is set to the first air inlet of the Total heat exchange core
Or first return air inlet, the indoor fan are set to the second air inlet or the second return air inlet of the Total heat exchange core.
In some alternative embodiments, the outdoor fan is set to the first return air of the Total heat exchange core
Mouthful, first cooling device is set to the first air inlet of the Total heat exchange core；The indoor fan is set to described
Second air inlet of Total heat exchange core.
In some alternative embodiments, second cooling device is set to second time of the Total heat exchange core
Air port.
In some alternative embodiments, the refrigeration control system of above-mentioned computer room further include:
The by-pass line being set between the Total heat exchange core and the computer room, in which: the of the by-pass line
One air inlet is equipped with first switch valve, and the second air inlet of the by-pass line passes through second switch valve and the Total heat exchange
Second return air inlet of core is connected to, and the air outlet of the by-pass line is towards the computer room；
The outdoor fan is set to the first return air inlet of the Total heat exchange core, and first cooling device is set to
First air inlet of the Total heat exchange core；
The indoor fan is set to the air outlet of the by-pass line.
In some alternative embodiments, second cooling device is located in the by-pass line, for entrance
Indoor wind in the by-pass line is cooled down.
In some alternative embodiments, the control device is specifically used for:
When the outdoor temperature received be less than or equal to the first set temperature when, control the outdoor fan, indoor fan and
Second switch valve is opened, and first cooling device, the first switch valve and second cooling device are closed.
In some alternative embodiments, the control device is specifically used for:
When the outdoor temperature received is greater than the first set temperature and is less than or equal to the second set temperature, the room is controlled
Outer blower, the first cooling device, indoor fan and second switch valve are opened, and second cooling device and first switch valve close
It closes.
In some alternative embodiments, the control device is specifically used for:
When the outdoor temperature received is greater than the second set temperature, the outdoor fan, the first cooling device, the are controlled
Two switch valves are closed, and the indoor fan, second cooling device and first switch valve are opened.
In some alternative embodiments, first cooling device includes: spray equipment, the Total heat exchange core
The first air inlet be equipped with water fender.
In some alternative embodiments, second cooling device is table condenser.
The present invention also provides a kind of refrigeration control methods of refrigeration control system applied to above-mentioned computer room, comprising:
Obtain current outdoor temperature information；
According to the comparison result of outdoor temperature and setting threshold, the open and close of the outdoor fan and indoor fan are controlled.
Above-mentioned refrigeration control method can carry out outdoor fan, indoor fan different according to the difference of outdoor temperature
Open and close control, can save the energy consumption for cooling of computer room, improve energy utilization rate.
In some alternative embodiments, when the refrigeration control system of the computer room includes: the first cooling device；
The comparison result according to outdoor temperature and setting threshold, controls the open and close of the outdoor fan and indoor fan
Include:
When the outdoor temperature received is less than or equal to the first set temperature, controls the outdoor fan and indoor fan is opened
It opens, first cooling device is closed；
When the outdoor temperature received is less than or equal to the first set temperature, controls the outdoor fan and indoor fan is opened
It opens, first cooling device is closed.
In some alternative embodiments, when the refrigeration control system of computer room includes the second cooling device, described
According to the comparison result of outdoor temperature and setting threshold, the open and close for controlling the outdoor fan and indoor fan are specifically included:
When the outdoor temperature received is greater than the second set temperature, the outdoor fan and the first cooling dress are controlled
Closing is set, the indoor fan and second cooling device are opened.
In some alternative embodiments, when the refrigeration control system of computer room includes: the first cooling device, the second cooling
When device, by-pass line, first switch valve and second switch valve, the comparison result according to outdoor temperature and setting threshold, control
The open and close for making the outdoor fan and indoor fan specifically include:
When the outdoor temperature received be less than or equal to the first set temperature when, control the outdoor fan, indoor fan and
Second switch valve is opened, and first cooling device, first switch valve and the second cooling device are closed, so that indoor wind is by complete
Heat exchanging core carries out heat exchange heel row to the computer room.
In some alternative embodiments, the comparison result according to outdoor temperature and setting threshold, controls the room
The open and close of outer blower and indoor fan specifically include:
When the outdoor temperature received is greater than the first set temperature and is less than or equal to the second set temperature, the room is controlled
Outer blower, the first cooling device, indoor fan and second switch valve are opened, and second cooling device and first switch valve close
It closes, so that indoor wind carries out heat exchange heel row to the computer room by Total heat exchange core.
In some alternative embodiments, the comparison result according to outdoor temperature and setting threshold, controls the room
The open and close of outer blower and indoor fan specifically include:
When the outdoor temperature received is greater than the second set temperature, the outdoor fan, the first cooling device, the are controlled
Two switch valves are closed, and the indoor fan, the second cooling device and first switch valve are opened, so that indoor wind enters bypass pipe
Road cools down heel row to the computer room through second cooling device.
Detailed description of the invention
Fig. 1 is the first structure of the refrigeration control system of computer room provided in an embodiment of the present invention and the original of an embodiment
Manage schematic diagram；
Fig. 2 is the first structure and another embodiment of the refrigeration control system of computer room provided in an embodiment of the present invention
Schematic illustration；
Fig. 3 is second of structure of the refrigeration control system of computer room provided in an embodiment of the present invention and the original of an embodiment
Manage schematic diagram；
Fig. 4 is second of the structure and another embodiment of the refrigeration control system of computer room provided in an embodiment of the present invention
Schematic illustration；
Fig. 5 is the third structure of the refrigeration control system of computer room provided in an embodiment of the present invention and the original of an embodiment
Manage schematic diagram；
Fig. 6 is the third structure and another embodiment of the refrigeration control system of computer room provided in an embodiment of the present invention
Schematic illustration；
Fig. 7 is the one embodiment flow diagram of refrigeration control method of computer room provided in an embodiment of the present invention.
Appended drawing reference:
1- outdoor fan 2- indoor fan
3- Total heat exchange core the first cooling device of 4-
5- the second cooling device 6- computer room
7- first switch valve 8- second switch valve
9- by-pass line
Specific embodiment
In order to reduce the energy consumption for cooling of computer room, energy utilization rate is improved, the embodiment of the invention provides a kind of systems of computer room
Cold control system and method, in the technical scheme, by the way that Total heat exchange core is arranged, so that outdoor fresh air and indoor fresh air can
To carry out heat exchange, it to reduce the temperature of indoor wind, and then can be freezed by indoor wind to computer room, not needed again to room
Outer fresh air is humidified, because indoor wind and outdoor fresh air only carry out heat exchange, the humidity of indoor wind is constant, in addition,
Computer room is cooled down by indoor wind, outdoor fresh air is avoided to enter computer room, improves the cleanliness of computer room air, therefore, the machine
The refrigeration control system in room does not need to humidify outdoor fresh air in winter, thus reduces energy consumption, improves using energy source
Rate.
To make the object, technical solutions and advantages of the present invention clearer, below lift specific embodiment to the present invention make into
One step detailed description.
As shown in FIG. 1, FIG. 1 is the first structure of the refrigeration control system of computer room provided in an embodiment of the present invention and one are real
Apply the schematic illustration of mode；The embodiment of the invention provides a kind of refrigeration control systems of computer room, comprising:
Temperature-detecting device, for detecting outdoor temperature；
Total heat exchange core 3, comprising: the first air inlet, the first return air inlet, the second air inlet and the second return air inlet are used for
The outdoor fresh air in Total heat exchange core 3 will be entered and indoor wind carries out heat exchange；
Outdoor fan 1, for driving outdoor fresh air to flow along the first air inlet to the first return air inlet；
Indoor fan 2 is flowed along the second air inlet to the second return air inlet for wind in drive chamber, and will be by Total heat exchange core
The indoor wind of 3 second return air inlet of body discharge is sent to computer room 6；
Control device is connect with temperature-detecting device, outdoor fan 1 and 2 signal of indoor fan respectively, for according to room
The comparison result of outer temperature and setting threshold, controls the open and close of outdoor fan 1 and indoor fan 2.
The refrigeration control system of computer room provided by the invention cools down computer room using indoor wind, by the way that full heat is arranged
Exchange core 3, can according to the comparison result of outdoor temperature and setting threshold, come control the opening of outdoor fan 1 and indoor fan 2,
It closes, when outdoor fan 1 and indoor fan 2 are opened, outdoor fresh air and indoor wind can carry out heat exchange (as shown in Figure 1
Arrow), it to reduce the temperature of indoor wind, and then can be freezed by indoor wind to computer room 6, not needed again to outdoor fresh air
It is humidified, because indoor wind and outdoor fresh air only carry out heat exchange, the humidity of indoor wind is constant, in addition, passing through room
Interior wind cools down computer room 6, and outdoor fresh air is avoided to enter computer room 6, improves the cleanliness of computer room air, therefore, the computer room
Refrigeration control system does not need to humidify outdoor fresh air in winter, thus reduces energy consumption, improves energy utilization rate.
Total-heat exchanger working principle is: when product works, orthogonal thereto fork mode is flowed through and is changed respectively for indoor exhaust wind and fresh air
When hot device core, since two sidewind of splitter plate is there is the temperature difference and vapor partial pressure are poor, when two strands of air-flows pass through demarcation plate
Heat and mass phenomenon is presented, causes Total heat exchange process.
In order to enable when the refrigeration control system of above-mentioned computer room can be directed to outdoor temperature difference, using different refrigeration sides
Case, to save energy consumption, further, as shown in Figure 1, the refrigeration control system of above-mentioned computer room further include: the first cooling device 4,
For cooling down to without the outdoor fresh air before the progress heat exchange of Total heat exchange core 3, the first cooling device 4 is filled with control
Confidence number connection；
Control device is specifically used for:
When the outdoor temperature received is less than or equal to the first set temperature, controls outdoor fan and indoor fan is opened,
First cooling device is closed；
When the outdoor temperature received is greater than the first set temperature and is less than or equal to the second set temperature, control room exogenous wind
Machine 1, the first cooling device 4 and indoor fan 2 are opened.When outdoor temperature is not very low, such as: it is outdoor new when season in spring and autumn
When wind directly carries out heat exchange with indoor wind, the temperature of indoor wind cannot be reduced to the temperature needed to the refrigeration of computer room 6, this
When, so that it may outdoor fresh air is first cooled down by the first cooling device 4, outdoor fresh air after cooling is carried out with indoor wind again
Heat exchange, and then indoor wind can be made to reach the temperature that can reduce machine room heat, when outdoor temperature is very low, then may be used
It to close the first cooling device 4, directlys adopt outdoor wind and indoor wind is cooled down, save energy consumption.
It should be noted that the first set temperature is lower, the first set temperature, second set temperature those skilled in the art
Occurrence can be rule of thumb set, when the outdoor temperature received is less than or equal to the first set temperature, refers generally to cold
Winter refers generally to season in spring and autumn when the outdoor temperature received is greater than the first set temperature and is less than or equal to the second set temperature,
When greater than the second set temperature, refer generally to summer.
Further, as shown in Fig. 2, Fig. 2 is the first of the refrigeration control system of computer room provided in an embodiment of the present invention
The schematic illustration of kind structure and another embodiment；
The refrigeration control system of above-mentioned computer room further include:
Second cooling device 5, for being cooled down to without the indoor wind before the progress heat exchange of Total heat exchange core 3,
Second cooling device 5 is connect with control device signal；
Control device is specifically used for:
When the outdoor temperature received is greater than the second set temperature, controls outdoor fan 1 and the first cooling device 4 closes
It closes, indoor fan 2 and the second cooling device 5 are opened.The refrigeration control system of computer room i.e. provided in an embodiment of the present invention is in summer
When freezing to computer room 6, outdoor fan 1 is not turned on, and outdoor fresh air will not flow to Total heat exchange core 3, can pass through setting
The indoor wind of 5 pairs of the second cooling device directly cool down, then freezed by the indoor wind after cooling to computer room 6.
The first air inlet or the first return air inlet in Total heat exchange core 3 can be set in outdoor fan 1, and indoor fan 2 can
To be set to the second air inlet or the second return air inlet of Total heat exchange core 3, that is to say, that above-mentioned outdoor fan 1, indoor fan
2, the specific setting position of the first cooling device 4 and the second cooling device 5 can there are many:
In a kind of optional embodiment, as depicted in figs. 1 and 2, outdoor fan 1 is set to the of Total heat exchange core 3
One return air inlet, the first cooling device 4 are set to the first air inlet of Total heat exchange core 3；Indoor fan 2 is set to Total heat exchange core
Second air inlet of body 3, the second cooling device 5 are set to the second return air inlet of Total heat exchange core 3.Outdoor fan 1 is at this time
Exhaust fan, indoor fan 2 are breeze fan.
In another optional embodiment, as shown in Figure 3 and Figure 4, in which: Fig. 3 is machine provided in an embodiment of the present invention
Second of structure of the refrigeration control system in room and the schematic illustration of an embodiment；Fig. 4 is provided in an embodiment of the present invention
Second of structure of the refrigeration control system of computer room and the schematic illustration of another embodiment；Outdoor fan 1 is set to full heat
The first return air inlet of core 3 is exchanged, the first cooling device 4 is set to the first air inlet of Total heat exchange core 3；Indoor fan 2 is set
It is placed in the second air inlet of Total heat exchange core 3, the second cooling device 5 is set to the second return air inlet of Total heat exchange core 3.This
When outdoor fan 1 be exhaust fan, indoor fan 2 be exhaust fan.
The refrigeration control system of the computer room of above structure at work, is set when the outdoor temperature received is less than or equal to first
When determining temperature, the first cooling device 4 and the second cooling device 5 are closed, and outdoor fan 1 and indoor fan 2 are opened, so that outdoor new
Wind and indoor wind can carry out heat exchange (arrow direction as shown in Figure 3) by Total heat exchange core 3, the interior after exchange
Air temperature will reduce, to realize the refrigeration to computer room 6；When the outdoor temperature received is greater than the first set temperature and is less than or equal to
When the second set temperature, control outdoor fan 1, the first cooling device 4 and indoor fan 2 are opened, and the second cooling device 5 closes
It closes, when outdoor temperature is not very low, such as: it, cannot will when outdoor fresh air directly carries out heat exchange with indoor wind when season in spring and autumn
The temperature of indoor wind is reduced to the temperature needed to computer room refrigeration, at this moment, so that it may by the first cooling device 4 to outdoor fresh air
It is first cooled down, outdoor fresh air after cooling carries out heat exchange with indoor wind again, and then indoor wind can to reach can drop
The temperature of low machine room heat；When the outdoor temperature received is greater than the second set temperature, outdoor fan 1 and the first cooling are controlled
Device 4 is closed, and indoor fan 2 and the second cooling device 5 are opened.The refrigeration control system of computer room i.e. provided in an embodiment of the present invention
When freezing to computer room in summer, outdoor fresh air temperature is relatively high to cool down to indoor wind, can be by outdoor wind
Machine 1 is closed, and outdoor fan 1 is not turned on, and outdoor fresh air will not flow to Total heat exchange core 3, can pass through the second cold of setting
But the indoor wind of 5 pairs of device are directly cooled down (arrow direction as shown in Figure 4), then by the indoor wind after cooling to computer room 6 into
Row refrigeration.
In another optional embodiment, as shown in Figure 5 and Figure 6, in which: Fig. 5 is machine provided in an embodiment of the present invention
The third structure of the refrigeration control system in room and the schematic illustration of an embodiment；Fig. 6 is provided in an embodiment of the present invention
The third structure of the refrigeration control system of computer room and the schematic illustration of another embodiment；The refrigeration control system of above-mentioned computer room
System further include:
The by-pass line 9 being set between Total heat exchange core 3 and computer room 6, in which: the first air inlet of by-pass line 9
Place is equipped with first switch valve 7, and the second air inlet of by-pass line 9 passes through second switch valve 8 and second time of Total heat exchange core 3
Air port connection, the air outlet of by-pass line 9 is towards computer room 6；
Outdoor fan 1 is set to the first return air inlet of Total heat exchange core 3, and the first cooling device 4 is set to Total heat exchange
First air inlet of core 3；
Indoor fan 2 is set to the air outlet of by-pass line 9.
In above structure, the specific location of the second cooling device 5 can there are many, optionally, the second cooling device 5 is located at
In by-pass line 9, for being cooled down to the indoor wind entered in by-pass line 9.
The refrigeration control system of the computer room of above structure, when in use, control device is specifically used for:
When the outdoor temperature received is less than or equal to the first set temperature, control outdoor fan 1, indoor fan 2 and the
Two switch valves 8 are opened, and the first cooling device 4, first switch valve 7 and the second cooling device 5 are closed.When the outdoor temperature received
When less than or equal to the first set temperature, the first cooling device 4 and the second cooling device 5 are closed, outdoor fan 1 and indoor fan 2
It opens, outdoor fresh air and indoor wind is allowed to carry out heat exchange (arrow direction as shown in Figure 5) by Total heat exchange core 3,
Indoor air temperature after exchange will reduce, and to realize the refrigeration to computer room 6, indoor wind can be allowed to hand over by full heat
It changes after core 3 carries out heat exchange and is arranged again to computer room 6.
Further, control device also particularly useful for:
When the outdoor temperature received is greater than the first set temperature and is less than or equal to the second set temperature, control room exogenous wind
Machine 1, the first cooling device 4, indoor fan 2 and second switch valve 8 are opened, and the second cooling device 5 and first switch valve 7 close
It closes.I.e. when the outdoor temperature received is greater than the first set temperature and is less than or equal to the second set temperature, (outdoor temperature is not
It is very low, such as: when season in spring and autumn), when outdoor fresh air directly carries out heat exchange with indoor wind, the temperature of indoor wind cannot be reduced
To the temperature needed to computer room refrigeration, at this moment, so that it may outdoor fresh air is first cooled down by the first cooling device 4, it is cooling
Outdoor fresh air afterwards carries out heat exchange with indoor wind again, and then indoor wind can be made to reach the temperature that can reduce machine room heat
Degree, first switch valve 7 are closed, and second switch valve 8 is closed, and indoor wind can be allowed to carry out heat by Total heat exchange core 3
It is arranged again after exchange to computer room 6.
Further, control device also particularly useful for:
When the outdoor temperature received is greater than the second set temperature, outdoor fan 1, the first cooling device 4, second are controlled
Switch valve 8 is closed, and indoor fan 2, the second cooling device 5 and first switch valve 7 are opened.Outdoor fresh air is not needed at this time to interior
Wind is cooled down, and outdoor fan 1 is closed, and outdoor fresh air cannot flow to Total heat exchange core 3, is opened first switch valve 7, is closed
Second switch valve 8 opens the second refrigerating plant 5 and indoor fan 2, and indoor wind is entered in by-pass line 9, by the
It is arranged again after two refrigerating plants 5 are cooling to computer room 6 (arrow direction as shown in Figure 6), since under this working condition, indoor wind can lead to
The second refrigerating plant 5 refrigeration heel row in by-pass line 9 is crossed to computer room 6, needs not move through Total heat exchange core 3, it can be into one
Step saves energy consumption.
The specific structure of above-mentioned first cooling device 4 can there are many, optionally, the first cooling device 4 include: spray dress
It sets, the first air inlet of Total heat exchange core 3 is equipped with water fender.The setting of water fender can enter Total heat exchange core to avoid water
Body 3.Certain first cooling device may be high-pressure fog device.
Correspondingly, the specific structure of above-mentioned second cooling device 5 can also there are many, optionally, the second cooling device is
Table condenser.
The advantages of refrigeration control system based on above-mentioned computer room, the present invention also provides a kind of systems applied to above-mentioned computer room
The refrigeration control method of cold control system, as shown in fig. 7, Fig. 7 is the refrigeration control method of computer room provided in an embodiment of the present invention
One embodiment flow diagram, comprising:
Step S701: current outdoor temperature information is obtained；
Step S702: according to the comparison result of outdoor temperature and setting threshold, the outdoor fan and indoor fan are controlled
Open and close.
When i.e. outdoor fresh air temperature is lower, heat exchange directly can be carried out to reduce interior by outdoor fresh air and indoor wind
The temperature of wind.
Further, when the refrigeration control system of computer room includes: the first cooling device；
In above-mentioned steps S701: according to the comparison result of outdoor temperature and setting threshold, controlling the outdoor fan and interior
The open and close of blower include:
When the outdoor temperature received is less than or equal to the first set temperature, controls the outdoor fan and indoor fan is opened
It opens, first cooling device is closed；When the outdoor temperature received is less than or equal to the first set temperature, the outdoor is controlled
Blower and indoor fan are opened, and first cooling device is closed.When outdoor temperature is not very low, such as: when season in spring and autumn, room
When outer fresh air directly carries out heat exchange with indoor wind, the temperature of indoor wind cannot be reduced to the temperature needed to computer room refrigeration,
At this moment, so that it may outdoor fresh air is first cooled down by the first cooling device, outdoor fresh air after cooling again with indoor wind into
Row heat exchange, and then indoor wind can be made to reach the temperature that can reduce machine room heat.
Further, when the refrigeration control system of computer room includes the second cooling device, in above-mentioned steps S701: according to
The comparison result of outdoor temperature and setting threshold, the open and close for controlling outdoor fan and indoor fan include:
When the outdoor temperature received is greater than the second set temperature, controls outdoor fan and the first cooling device is closed,
Indoor fan and the second cooling device are opened.Outdoor fresh air temperature is also relatively high at this time to cool down to indoor wind, can
To close outdoor fan, since outdoor fan is not turned on, outdoor fresh air will not flow to Total heat exchange core, can be by setting
The second cooling device set directly cools down (arrow direction as shown in Figure 4) to indoor wind, then passes through the indoor wind after cooling
Freeze to computer room.
Another refrigeration control method are as follows: when the refrigeration control system of computer room includes: the first cooling device, the second cooling dress
It sets, by-pass line, first switch valve and when second switch valve, in above-mentioned steps S701: according to outdoor temperature and setting the ratio of threshold
Compared with as a result, the open and close for controlling the outdoor fan and indoor fan include:
When the outdoor temperature received is less than or equal to the first set temperature, outdoor fan, indoor fan and second are controlled
Switch valve is opened, and the first cooling device, first switch valve and the second cooling device are closed, so that indoor wind passes through Total heat exchange core
Body carries out heat exchange heel row to computer room.I.e. when the outdoor temperature received is less than or equal to the first set temperature, the first cooling dress
It sets and is closed with the second cooling device, outdoor fan and indoor fan are opened, and outdoor fresh air and indoor wind is allowed to pass through full heat
It exchanges core and carries out heat exchange (arrow direction as shown in Figure 5), the indoor air temperature after exchange will reduce, to realize to machine
The refrigeration in room can allow indoor wind to be arranged again after Total heat exchange core carries out heat exchange to computer room.
Further, in above-mentioned steps S701: according to outdoor temperature and setting threshold comparison result, control outdoor fan and
The open and close of indoor fan include:
When the outdoor temperature received is greater than the first set temperature and is less than or equal to the second set temperature, control room exogenous wind
Machine, the first cooling device, indoor fan and second switch valve are opened, and the second cooling device and first switch valve are closed, so that
Indoor wind carries out heat exchange heel row to computer room by Total heat exchange core.The outdoor temperature that ought receive is greater than the first setting temperature
Degree and it is less than or equal to when the second set temperature (outdoor temperature is not very low, such as: when season in spring and autumn), outdoor fresh air is directly and room
When interior wind carries out heat exchange, the temperature of indoor wind cannot be reduced to the temperature needed to computer room refrigeration, at this moment, so that it may pass through
First cooling device first cools down outdoor fresh air, and outdoor fresh air after cooling carries out heat exchange, Jin Erke with indoor wind again
So that indoor wind reaches the temperature that can reduce machine room heat, first switch valve is closed, and second switch valve is closed, and can be made
Indoor wind can be arranged again after Total heat exchange core carries out heat exchange to computer room.
Further, in above-mentioned steps S701: according to the comparison result of outdoor temperature and setting threshold, controlling the outdoor
The open and close of blower and indoor fan include:
When the outdoor temperature received is greater than the second set temperature, control outdoor fan, the first cooling device, second are opened
It closes valve to close, indoor fan, the second cooling device and first switch valve are opened, so that indoor wind enters by-pass line, through second
Cooling device cools down heel row to computer room.Outdoor fresh air is not needed at this time to cool down indoor wind, closes outdoor fan, it is outdoor new
Wind cannot flow to Total heat exchange core, open first switch valve, close second switch valve, open the second refrigerating plant and interior
Blower enters indoor wind in by-pass line, is arranged again to computer room (as shown in Figure 6 after the second refrigerating plant is cooling
Arrow direction), due under this working condition, indoor wind can be freezed by the second refrigerating plant 5 in by-pass line heel row to
Computer room needs not move through Total heat exchange core, can further save energy consumption.
The running parameter such as the following table 1 run under different operating conditions using the refrigeration control system of computer room provided by the invention,
As can be seen that refrigeration control system provided by the invention has biggish power savings advantages from table 1.Wherein: operating condition 1 are as follows: outdoor
Temperature is less than or equal to the first set temperature；Operating condition 2 are as follows: outdoor temperature is greater than the first set temperature and is less than or equal to the second setting temperature
Degree, operating condition 3 are as follows: outdoor temperature is greater than the second set temperature.
The relevant operating parameter that the refrigeration control system of 1. computer room of table is run under different operating conditions
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (8)
1. a kind of refrigeration control system of computer room characterized by comprising
Temperature-detecting device, for detecting outdoor temperature；
Total heat exchange core, comprising: the first air inlet, the first return air inlet, the second air inlet and the second return air inlet, for that will enter
The intracorporal outdoor fresh air of Total heat exchange core and indoor wind carry out heat exchange；
Outdoor fan, for driving outdoor fresh air to flow along first air inlet to first return air inlet；
Indoor fan is flowed along second air inlet to second return air inlet for wind in drive chamber, and will be by described complete
The indoor wind of the second return air inlet of heat exchanging core discharge is sent to computer room；
Control device is connect with the temperature-detecting device, outdoor fan and indoor fan signal respectively, for according to outdoor
The comparison result of temperature and setting threshold, controls the open and close of the outdoor fan and indoor fan；
Further include: the first cooling device, for cold to the progress of the outdoor fresh air before heat exchange is carried out without Total heat exchange core
But, first cooling device is connect with the control device signal；
The control device is specifically used for:
When the outdoor temperature received is less than or equal to the first set temperature, controls the outdoor fan and indoor fan is opened,
First cooling device is closed；
When the outdoor temperature received is greater than the first set temperature and is less than or equal to the second set temperature, the outdoor wind is controlled
Machine, first cooling device and indoor fan are opened；
Further include:
Second cooling device, for cooling down to carrying out the indoor wind before heat exchange without Total heat exchange core, described the
Two cooling devices are connect with the control device signal；
The control device is specifically used for:
When the outdoor temperature received is greater than the second set temperature, controls the outdoor fan and the first cooling device is closed,
The indoor fan and the second cooling device are opened；
Further include:
The by-pass line being set between the Total heat exchange core and the computer room, in which: the first of the by-pass line into
First switch valve is equipped at air port, the second air inlet of the by-pass line passes through second switch valve and the Total heat exchange core
The connection of the second return air inlet, the air outlet of the by-pass line is towards the computer room；
The outdoor fan is set to the first return air inlet of the Total heat exchange core, and first cooling device is set to described
First air inlet of Total heat exchange core；
The indoor fan is set to the air outlet of the by-pass line.
2. the refrigeration control system of computer room as described in claim 1, which is characterized in that second cooling device is located at described
In by-pass line, for being cooled down to the indoor wind entered in the by-pass line.
3. the refrigeration control system of computer room as claimed in claim 2, which is characterized in that the control device is specifically used for:
When the outdoor temperature received is less than or equal to the first set temperature, the outdoor fan, indoor fan and second are controlled
Switch valve is opened, and first cooling device, the first switch valve and second cooling device are closed.
4. the refrigeration control system of computer room as claimed in claim 3, which is characterized in that the control device is specifically used for:
When the outdoor temperature received is greater than the first set temperature and is less than or equal to the second set temperature, the outdoor wind is controlled
Machine, the first cooling device, indoor fan and second switch valve are opened, and second cooling device and first switch valve are closed.
5. the refrigeration control system of computer room as claimed in claim 4, which is characterized in that the control device is specifically used for:
When the outdoor temperature received is greater than the second set temperature, controls the outdoor fan, the first cooling device, second opens
It closes valve to close, the indoor fan, the second cooling device and first switch valve are opened.
6. the refrigeration control system of computer room as described in claim 1, which is characterized in that first cooling device includes: spray
First air inlet of shower device, the Total heat exchange core is equipped with water fender.
7. the refrigeration control system of computer room as described in claim 1, which is characterized in that second cooling device is table condensation
Device.
8. a kind of refrigeration control method of the refrigeration control system applied to computer room described in claim 1, which is characterized in that packet
It includes:
Obtain current outdoor temperature information；
According to the comparison result of outdoor temperature and setting threshold, the open and close of the outdoor fan and indoor fan are controlled；
When the refrigeration control system of the computer room includes: the first cooling device；
The comparison result according to outdoor temperature and setting threshold, the open and close for controlling the outdoor fan and indoor fan include:
When the outdoor temperature received is less than or equal to the first set temperature, controls the outdoor fan and indoor fan is opened,
First cooling device is closed；
When the outdoor temperature received is greater than the first set temperature and is less than or equal to the second set temperature, the outdoor wind is controlled
Machine, first cooling device and indoor fan are opened；
When the refrigeration control system of computer room include: the first cooling device, the second cooling device, by-pass line, first switch valve and
When second switch valve, the comparison result according to outdoor temperature and setting threshold controls the outdoor fan and indoor fan
Open and close specifically include:
When the outdoor temperature received is less than or equal to the first set temperature, the outdoor fan, indoor fan and second are controlled
Switch valve is opened, and first cooling device, first switch valve and the second cooling device are closed, so that indoor wind is handed over by full heat
It changes core and carries out heat exchange heel row to the computer room；
The comparison result according to outdoor temperature and setting threshold, the open and close for controlling the outdoor fan and indoor fan are specific
Include:
When the outdoor temperature received is greater than the first set temperature and is less than or equal to the second set temperature, the outdoor wind is controlled
Machine, the first cooling device, indoor fan and second switch valve are opened, and second cooling device and first switch valve are closed,
So that indoor wind carries out heat exchange heel row to the computer room by Total heat exchange core；
The comparison result according to outdoor temperature and setting threshold, the open and close for controlling the outdoor fan and indoor fan are specific
Include:
When the outdoor temperature received is greater than the second set temperature, controls the outdoor fan, the first cooling device, second opens
It closes valve to close, the indoor fan, the second cooling device and first switch valve are opened, so that indoor wind enters by-pass line, are passed through
Second cooling device cools down heel row to the computer room.
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| CN201410856639.XA CN105805904B (en) | 2014-12-31 | 2014-12-31 | A kind of refrigeration control system and method for computer room |
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| CN201410856639.XA CN105805904B (en) | 2014-12-31 | 2014-12-31 | A kind of refrigeration control system and method for computer room |
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| CN105805904B true CN105805904B (en) | 2019-07-16 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107202411A (en) * | 2017-06-23 | 2017-09-26 | 深圳大然新风科技有限公司 | Fresh air output switching control method and VMC in new blower fan |
| CN109838865A (en) * | 2017-11-28 | 2019-06-04 | 山西彩云归科技有限公司 | The encapsulating method of new blower and new blower |
| CN110500715A (en) * | 2019-07-08 | 2019-11-26 | 江苏江荣智能科技有限公司 | A kind of machine room air-conditioning energy-saving management system based on Internet of Things |
| CN111417283A (en) * | 2020-03-13 | 2020-07-14 | 苏州浪潮智能科技有限公司 | Fresh air type heat recovery data center cooling system |
| CN112654221B (en) * | 2021-01-18 | 2023-04-11 | 成都西部硅谷科技有限公司 | Energy-saving container data center and temperature control method thereof |
| CN114719356B (en) * | 2022-04-11 | 2023-04-18 | 湖南汽车工程职业学院 | Ground heat radiation structure of computer room |
| CN115200269B (en) * | 2022-07-20 | 2024-03-22 | 合肥美的暖通设备有限公司 | Refrigerating system, cooling unit and control method of cooling unit |
| CN115419304A (en) * | 2022-08-25 | 2022-12-02 | 上海绿筑住宅系统科技有限公司 | Novel temperature-control energy-saving equipment room and temperature control method |
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| WO2010015123A1 (en) * | 2008-08-06 | 2010-02-11 | Electrolux (Hangzhou) Home Appliances Co., Ltd. | Constant temperature dehumidifying air-conditioner |
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| CN2497198Y (en) * | 2001-09-05 | 2002-06-26 | 董军 | Indoor for condition controller |
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Address after: Nanshan District Xueyuan Road in Shenzhen city of Guangdong province 518055 No. 1001 Nanshan Chi Park building B2 Applicant after: Vitamin Technology Co., Ltd. Applicant after: Vitamin Technology (Jiangmen) Co., Ltd. Address before: Nanshan District Xueyuan Road in Shenzhen city of Guangdong province 518055 No. 1001 Nanshan Chi Park building B2 Applicant before: Aimosheng Network Energy Source Co., Ltd. Applicant before: Emerson Network Power (Jiangmen) Co., Ltd. |
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Effective date of registration: 20180930 Address after: 518055 B2, Nanshan Zhiyuan, 1001 Nanshan District Xue Yuan Avenue, Shenzhen, Guangdong. Applicant after: Vitamin Technology Co., Ltd. Applicant after: Victoria Technology Co., Ltd. Jiangmen branch Address before: 518055 B2, Nanshan Zhiyuan, 1001 Nanshan District Xue Yuan Avenue, Shenzhen, Guangdong. Applicant before: Vitamin Technology Co., Ltd. Applicant before: Vitamin Technology (Jiangmen) Co., Ltd. |
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