CN103499137A - Method, device and system for controlling refrigeration of computer room - Google Patents
Method, device and system for controlling refrigeration of computer room Download PDFInfo
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- CN103499137A CN103499137A CN201310393375.4A CN201310393375A CN103499137A CN 103499137 A CN103499137 A CN 103499137A CN 201310393375 A CN201310393375 A CN 201310393375A CN 103499137 A CN103499137 A CN 103499137A
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Abstract
The invention relates to the technical field of refrigeration devices and discloses a method, device and system for controlling refrigeration of a computer room. The system for controlling refrigeration comprises a cooling tower which is located outdoors and comprises a fan arranged on the top of the cooling tower, a first surface air cooler, a first water pump, a second surface air cooler, an air feeder, a temperature sensor and a control device, wherein the first surface air cooler, the first water pump and the second surface air cooler are connected in sequence through a first pipeline, so that closed circulation is formed, the first surface air cooler is located in the cooling tower, the second surface air cooler is located on side of a return air inlet of the computer room and used for cooling return air of the computer room, water in the first surface air cooler is pumped into the second surface air cooler through the first water pump, the air feeder is located on one side of an air supply opening of the computer room and used for conveying cooled return air of the computer room to the computer room, the temperature sensor is located outdoors and used for detecting outdoor temperature information, the control device is connected with the temperature sensor and the first water pump through signals and used for controlling the first water pump to be started when the outdoor temperature is lower than a set first temperature threshold. The system for controlling refrigeration is beneficial to the improvement of the quality of air in the computer room and reduces energy consumption.
Description
Technical field
The present invention relates to technical field of refrigeration equipment, particularly relate to a kind of refrigeration control method, Apparatus and system of machine room.
Background technology
Data center, be commonly called as machine room, is a whole set of complicated facility.It not only comprises department of computer science's other supporting equipment (for example communication and storage system) with it of unifying, and also comprises data communication connection, environmental control equipment, watch-dog and the various safety device of redundancy.Existing data center, the ratio that energy cost accounts for the machine room operation cost is higher, and the electric power that only is less than half is loaded for IT, and remaining electric power is for infrastructure such as power supply and cooling systems.
Utilizing outdoor new wind naturally cooling is a kind of energy conservation model of machine room, utilize at present the refrigeration system of outdoor new wind as shown in Figure 1, outdoor new wind is directly sent into machine room 83 through pressure fan 82 again after new wind filter 81 filters, and after heat absorption, by machine room exhaust outlet 84, is discharged.Although introducing new wind, data center can save air conditioning energy consumption, but bring very big burden also can to new wind filter, screen pack is easily dirty stifled, need to change continually or the clean and maintenance screen pack, and easily bring outdoor foul atmosphere into machine room, affect the indoor air quality of machine room, and maintenance and the also increase greatly of power consumption cost.And, winter, the outdoor air water capacity was low, outdoor new wind enter indoor after, if do not carry out humidification, tend to cause room air seriously dry, its relative humidity can not meet the requirement of the minimum of a value of machine room relative humidity, brings to the operation of information technoloy equipment unfavorable, even can break down and out of service.Therefore, in air dried area, when winter, information technoloy equipment adopted outdoor fresh air refrigerating, the energy of its saving and the energy that maintains indoor relative humidity and must humidification consume, add the energy consumed of air-supply, exhaust system, its save energy with therefore and consumed energy is compared, the two is almost very nearly the same.
The defect that prior art exists is, adopts in the winter time outdoor new wind directly to freeze, very not remarkable on energy conservation, and needs a large amount of humidifications, also easily affects the indoor air quality of machine room.
Summary of the invention
The invention provides a kind of refrigeration control method, Apparatus and system of machine room, in order to avoid adopting outdoor fresh air refrigerating, improve the cleanliness factor of machine room air, and in order to reduce the energy consumption for cooling of machine room.
The refrigeration control system of machine room of the present invention comprises:
Be positioned at outdoor cooling tower, described cooling tower top is provided with blower fan;
The first surface cooler, the first water pump and the second surface cooler that connect successively and form closed cycle by the first pipeline, wherein, described the first surface cooler is positioned at cooling tower inside, described the second surface cooler is positioned at return air inlet one side of machine room, for cooling machine room return air, described the first water pump pumps into the water in described the first surface cooler in described the second surface cooler;
Pressure fan, be positioned at air outlet one side of machine room, and cooling machine room return air is delivered to machine room;
Temperature sensor, be arranged at outdoor, for detection of outdoor temperature information;
Control device, be connected with described the first water pump signal with described temperature sensor respectively, when when outdoor temperature, being less than the first temperature threshold of setting, controlling described the first water pump and open.
The refrigeration control system of machine room of the present invention, adopt full return air cooling, without the new wind filter of configuration, is conducive to improve the cleanliness factor of machine room air; And adopt the indirect refrigeration mode that the air in machine room is cooling, be specially: in cooling tower, by cold air, by the water in the first surface cooler, undertaken cooling, by the first water pump, the cold water in the first surface cooler is pumped into to the second surface cooler, the second surface cooler that is positioned at return air inlet one side carries out the air of machine room cooling, can keep the humidity of air in machine room constant; The refrigeration control system of machine room of the present invention, only the first water pump and pressure fan acting, save the energy, improved energy utilization rate.
Preferably, described refrigeration control system also comprises: be positioned at the collecting-tank and the spray equipment that is positioned at described the first surface cooler top of described the first surface cooler below, and the second water pump, wherein, described the second water pump pumps into described spray equipment by water in described collecting-tank;
Described control device, further be connected with described the second water pump signal, for the first temperature threshold of being not less than setting when outdoor temperature and while being less than the second temperature threshold of setting, controls respectively described the first water pump and described the second water pump is opened.
The refrigeration control system of machine room of the present invention, increased spray equipment in cooling tower, when outdoor temperature is not less than the first temperature threshold of setting and is less than the second temperature threshold of setting, the heat exchange amount of cold air and the first surface cooler is inadequate separately, therefore increase spray cold water and make the water temperature in the first surface cooler further reduce, obtain larger refrigerating capacity, now, only the first water pump, the second water pump and pressure fan acting, be beneficial to the saving energy.
Preferably, described refrigeration control system also comprises:
The compressor, condenser coil, restricting element and the evaporimeter that connect successively and form closed cycle by the second pipeline, there is cold-producing medium in described the second pipeline, described condenser coil is positioned at the below of described spray equipment, and described evaporimeter is for cooling machine room return air;
Described control device, further be connected with described signal compressor, during for the second temperature threshold of being not less than setting when outdoor temperature the 3rd temperature threshold that is less than setting, controls respectively described the first water pump and described compressor and open.
The refrigeration control system of machine room of the present invention, increased a set of compressor refrigeration system, and condenser coil is positioned at cooling tower, when outdoor temperature is not less than the second temperature threshold of setting and is less than the 3rd temperature threshold of setting, open compressor and the first water pump, compressor circulation system and the surface cooler circulatory system are all for the air in cooling machine room, and compressor can partly be exported, and also are beneficial to the saving energy.
Preferably, described control device comprises and judges whether outdoor temperature is not less than the comparator of the 3rd temperature threshold of setting, and the processor be connected with described comparator signal, when outdoor temperature is not less than the 3rd temperature threshold of setting, described the second water pump controlled respectively by described processor and described compressor is opened.
In technical solution of the present invention, control device is further used for when outdoor temperature is higher, for example summer is during higher temperature, only compressor assembly freezes, the spray equipment shower water is to condenser coil, now condenser coil is equivalent to evaporative condenser, therefore, with traditional mechanical compression refrigeration system, compares and still has energy-conservation advantage.
Preferably, to above-mentioned any refrigeration control system, also comprise:
Humidifier, be connected with described control device signal, for machine room return air is carried out to humidification;
When described control device is further used for relative humidity in described machine room and is less than the relative humidity threshold value of setting, control described humidifier and open.
In technical solution of the present invention, increase the humidifier of a humidification of the return air to machine room, for keeping relative humidity in machine room in suitable state, be beneficial to the operation of information technoloy equipment in machine room.
The present invention is applied to the refrigeration control method of above-mentioned refrigeration control system, comprising:
Obtain current outdoor temperature information;
When outdoor temperature is less than the first temperature threshold of setting, controls described the first water pump and open.
Described refrigeration control method also comprises:
When outdoor temperature is not less than the first temperature threshold of setting and is less than the second temperature threshold of setting, control described the first water pump and described the second water pump unlatching.
Described refrigeration control method also comprises:
When outdoor temperature is not less than the second temperature threshold of setting and is less than the 3rd temperature threshold of setting, control described the first water pump and described compressor and open.
Described refrigeration control method also comprises:
When outdoor temperature is not less than the 3rd temperature threshold of setting, controls described the second water pump and described compressor and open.
Any refrigeration control method for above-mentioned also comprises:
When the relative humidity in described machine room is less than the relative humidity threshold value of setting, controls described humidifier and open.
In technical solution of the present invention, obtained described refrigeration control method according to above-mentioned refrigeration control system, in the method, control the unlatching of the equipment such as the first water pump, the second water pump, compressor according to different temperature informations, under each pattern, be all in relatively energy-conservation state, therefore, reduce energy consumption, improved energy utilization rate.
The refrigeration control device of machine room of the present invention comprises:
Obtain equipment, for obtaining outdoor temperature information;
Control appliance, when when outdoor temperature, being less than the first temperature threshold of setting, controlling described the first water pump and open.
Described control appliance, be further used for when outdoor temperature is not less than the first temperature threshold of setting and is less than the second temperature threshold of setting, controls respectively described the first water pump and described the second water pump unlatching.
Described control appliance, be further used for when outdoor temperature is not less than the second temperature threshold of setting and is less than the 3rd temperature threshold of setting, controls respectively described the first water pump and described compressor and open.
Described control appliance, be further used for when outdoor temperature is not less than the 3rd temperature threshold of setting, controls respectively described the second water pump and described compressor and open.
For above-mentioned control appliance, when being further used for relative humidity in described machine room and being less than the relative humidity threshold value of setting, control described humidifier and open.
In technical solution of the present invention, the equipment that obtains is for obtaining outdoor temperature information, control appliance is according to the unlatching of the equipment such as the first water pump in this temperature information control refrigeration control device, the second water pump, compressor, so that adopt energy-conservation scheme under condition of different temperatures, thereby reduced energy consumption, improved energy utilization rate.
The accompanying drawing explanation
The refrigeration control system structural representation that Fig. 1 is the prior art machine room;
Refrigeration control system the first example structure schematic diagram that Fig. 2 is machine room of the present invention;
Refrigeration control system the second example structure schematic diagram that Fig. 3 is machine room of the present invention;
The refrigeration control system that Fig. 4 is machine room of the present invention the 3rd example structure schematic diagram;
Refrigeration control method the first embodiment schematic flow sheet that Fig. 5 is machine room of the present invention;
The schematic flow sheet of the refrigeration control method specific embodiment that Fig. 6 is machine room of the present invention;
The refrigeration control device structural representation that Fig. 7 is machine room of the present invention.
Reference numeral:
1-cooling tower 3-pressure fan 4-temperature sensor 5-control device 7-humidifier 10-machine room
11-blower fan 12-first surface cooler 13-collecting-tank 14-spray equipment 15-the second water pump
21-second surface cooler 22-the first water pump 61-compressor 62-condenser coil 63-restricting element
The new wind filter 82-of 64-evaporimeter 81-pressure fan 83-machine room 84-exhaust outlet
91-obtains equipment 92-control appliance
The specific embodiment
In order to reduce the energy consumption for cooling of machine room, improve the air quality of machine room, the invention provides a kind of refrigeration control method, Apparatus and system of machine room, in this technical scheme, adopt full return air cooling, without the new wind filter of configuration, be conducive to improve the cleanliness factor of machine room air; And adopt the indirect refrigeration mode that the air in machine room is cooling, be specially: in cooling tower, by cold air, by the water in the first surface cooler, undertaken cooling, by the first water pump, the cold water in the first surface cooler is pumped into to the second surface cooler, the second surface cooler that is positioned at return air inlet one side carries out the air of machine room cooling, can keep the humidity of air in machine room constant; The refrigeration control system of machine room of the present invention, only the first water pump and pressure fan acting, save the energy, improved energy utilization rate.For making the purpose, technical solutions and advantages of the present invention clearer, the present invention is further detailed explanation below to lift specific embodiment.
As shown in Figure 2, the refrigeration control system first example structure schematic diagram of machine room of the present invention, described refrigeration control system comprises:
Be positioned at outdoor cooling tower 1, the cooling tower top is provided with blower fan 11;
The first surface cooler 12, the first water pump 22 and the second surface cooler 21 that connect successively and form closed cycle by the first pipeline, wherein, the first surface cooler 12 is positioned at cooling tower 1 inside, the second surface cooler 21 is positioned at return air inlet one side of machine room 10, for cooling machine room return air, the first water pump 22 pumps into the water in the first surface cooler 12 in the second surface cooler 21;
Pressure fan 3, be positioned at air outlet one side of machine room 10, and cooling machine room return air is delivered to machine room 10;
Temperature sensor 4, be arranged at outdoor, for detection of outdoor temperature information;
In the refrigeration control system of machine room of the present invention, adopt full return air cooling, without the new wind filter of configuration, be conducive to improve the cleanliness factor of machine room air; And adopt the indirect refrigeration mode that the air in machine room is cooling, be specially: in cooling tower 1, by cold air, by the water in the first surface cooler 12, undertaken cooling, by the first water pump 22, the cold water in the first surface cooler 12 is pumped into to the second surface cooler 21, the second surface cooler 21 that is positioned at return air inlet one side carries out the air of machine room cooling, can keep the humidity of air in machine room constant; The refrigeration control system of machine room of the present invention, be applicable to outdoor temperature when low, as while being less than 5 ℃, only the first surface cooler 12 carries out heat exchange with cold air in cooling tower 1, its refrigerating capacity is enough for reducing the temperature in machine room 10, and now, only the first water pump 12 and pressure fan 3 do work, save the energy, improved energy utilization rate.When outdoor temperature, during lower than 0 ℃, the water of cooling tower 1 bottom need to bleed off.
As shown in Figure 3, the refrigeration control system second example structure schematic diagram of machine room of the present invention, described refrigeration control system, also comprise: the collecting-tank 13 and the spray equipment 14 that is positioned at the first surface cooler 12 tops that are positioned at the first surface cooler 12 belows, and second water pump 15, wherein, the second water pump 15 pumps into spray equipment 14 by water in collecting-tank 13;
In the refrigeration control system of machine room of the present invention, at the interior spray equipment 14 that increased of cooling tower 1, outdoor temperature raises, when outdoor temperature is not less than the first temperature threshold of setting and is less than the second temperature threshold of setting, as outdoor temperature is not less than 5 ℃ and while being less than 15 ℃, the heat exchange amount of cold air and the first surface cooler 12 is inadequate separately, therefore increasing spray cold water makes the water temperature in the first surface cooler 12 further reduce, obtain larger refrigerating capacity, now, only the first water pump 22, the second water pump 15 and pressure fan 3 actings, be beneficial to the saving energy.
As shown in Figure 4, the refrigeration control system of machine room of the present invention the 3rd example structure schematic diagram, described refrigeration control system also comprises:
The compressor 61, condenser coil 62, restricting element 63 and the evaporimeter 64 that connect successively and form closed cycle by the second pipeline, there is cold-producing medium in the second pipeline, condenser coil 62 is positioned at the below of spray equipment 14, and evaporimeter 64 is for cooling machine room return air;
The refrigeration control system of machine room of the present invention, increased a set of compressor refrigeration system, and condenser coil 62 is positioned at cooling tower 1, outdoor temperature raises, when outdoor temperature is not less than the second temperature threshold of setting and is less than the 3rd temperature threshold of setting, as outdoor temperature is not less than 15 ℃ and while being less than 30 ℃, now only depend on natural cooling source and the first surface cooler 12 heat exchange amounts inadequate, therefore, need to open compressor 61 and the first water pump 22, compressor circulation system and the surface cooler circulatory system are all for the air in cooling machine room, now compressor 61 can move by varying capacity, reduce the compression energy consumption according to the temperature in machine room, also be beneficial to the saving energy.
Preferably, please continue with reference to shown in Fig. 4, the refrigeration control system of machine room of the present invention the 4th embodiment, control device 5 comprises and judges whether outdoor temperature is not less than the comparator of the 3rd temperature threshold of setting, and the processor be connected with comparator signal, when outdoor temperature is not less than the 3rd temperature threshold of setting, the second water pump 15 controlled respectively by processor and compressor 61 is opened.
In technical scheme of the present invention, when outdoor temperature further raises, for example summer is during higher temperature, as while being not less than 30 ℃, now, compressor assembly refrigeration only, spray equipment 14 shower waters are to condenser coil 62, now condenser coil 62 is equivalent to evaporative condenser, therefore, with traditional mechanical compression refrigeration system, compares and still has energy-conservation advantage.
The first temperature threshold, the second temperature threshold and the 3rd temperature threshold are rule of thumb set, need to meet the first temperature threshold and be less than the second temperature threshold, the second temperature threshold is less than the 3rd temperature threshold, as the first temperature threshold can be set as 5 ℃, the second temperature threshold can be set as 15 ℃, the 3rd temperature threshold can be set as 30 ℃, but the present invention is not limited to these concrete numerical value.
Please continue with reference to shown in Fig. 4, the refrigeration control system of machine room of the present invention the 5th embodiment, described refrigeration control system, comprise above-mentioned first any refrigeration control system of embodiment to the four embodiment, also comprises:
Humidifier 7, be connected with control device 5 signals, for machine room return air is carried out to humidification;
When control device 5 is further used for relative humidity in machine room and is less than the relative humidity threshold value of setting, control humidifier 7 and open.
In technical scheme of the present invention, increase the humidifier 7 of a humidification of the return air to machine room, for keeping relative humidity in machine room in suitable state, be beneficial to the operation of information technoloy equipment in machine room.
Please continue with reference to shown in Fig. 4, in the refrigeration control system of the invention described above machine room, the second surface cooler 22, evaporimeter 64, pressure fan 2 and humidifier 7 are not limited to the form of air-treatment unit, can be according to the characteristics flexible topology of data center's building, for example the second surface cooler 22, evaporimeter 64, pressure fan 2 and humidifier 7 can be arranged in to whole face wall or utilize a room to arrange an air conditioner unit, and, the first temperature sensor 11 is not limit in outdoor installation site, as long as it is not affected by miscellaneous part and can detect outdoor temperature.In addition, inside first surface cooler 12 of cooling tower 1 and the position of condenser coil 62 can arrange arbitrarily, as long as the water of spray equipment 14 ejections can spray the first surface cooler 12 and condenser coil 62, cooling tower 1 can also comprise the water fender between blower fan 11 and spray equipment 14, and the blowoff valve that is arranged at collecting-tank 14.It is cooling that cooling tower 1 in refrigeration control system of the present invention can carry out the first surface cooler nature in the surface cooler circulation, can condenser coil be played to the effect of evaporative condenser when compressor assembly is worked again.Refrigeration control system of the present invention has different energy saver modes according to different temperature ranges, for the feature of machine room refrigeration duty, can, in the whole year operation regulatory function, meet the requirement of data center to refrigeration.In technical solution of the present invention, described control device both can adopt software to realize controlling function, also can realize controlling function by hardware, while adopting hardware, control device comprises comparator and processor, comparator for outdoor temperature relatively respectively with the magnitude relationship of the temperature threshold of setting, as the first temperature threshold, the second temperature threshold or the 3rd temperature threshold, and processor is connected with comparator signal, carry out the state of controlled circulation pump and compressor for the different signal for comparator output.
As shown in Figure 5, the first embodiment schematic flow sheet of the refrigeration control method of machine room of the present invention, described refrigeration control method comprises:
This embodiment method is applicable to outdoor temperature when low, winter for example, as the first temperature threshold of setting is 5 ℃, when current outdoor temperature is less than 5 ℃, controlling the first water pump 22 opens, return air in machine room is cooling through the second surface cooler 21, then enters machine room by pressure fan, and the second surface cooler 21 absorbs the return air heat, water temperature can be too not low, during the normal operation of the first water pump 22, can not freeze, when outdoor temperature, during lower than 0 ℃, the water of cooling tower 1 bottom should bleed off; Adopt the pattern of full return air, when utilizing outdoor cold source, avoided outdoor air to enter machine room 10, improved the air quality in machine room, and can keep preferably the relative humidity in machine room, in addition, the operate power of the first water pump 22 is very low, has reduced on the whole the energy consumption of machine room, has improved its energy utilization rate.
The second embodiment of the refrigeration control method of machine room of the present invention further comprises:
When outdoor temperature is not less than the first temperature threshold of setting and is less than the second temperature threshold of setting, control respectively described the first water pump 22 and described the second water pump 15 unlatchings.
This embodiment method is applicable to outdoor temperature when slightly high, for example, when spring and autumn, season was colder, as the first temperature threshold of setting is 5 ℃, the second temperature threshold of setting is 15 ℃, now current outdoor temperature is not less than 5 ℃ and be less than 15 ℃, controls the first water pump 22 and the second water pump 15 is opened, generally, outdoor temperature lower than below 4 ℃ the time, need to prevent that the first water pump 22 and the second water pump 15 from freezing.It is very low that return air in machine room enters the operate power of machine room 10, the first water pumps 22 and the second water pump 15 by pressure fan 3 again through the second surface cooler 21 cooling, reduced the energy consumption of machine room, improved its energy utilization rate.
The 3rd embodiment of the refrigeration control method of machine room of the present invention also further comprises:
When outdoor temperature is not less than the second temperature threshold of setting and is less than the 3rd temperature threshold of setting, control respectively described the first water pump 22 and 61 unlatchings of described compressor.
The method of the present embodiment is applicable to outdoor environment temperature when higher, for example, when spring and autumn, seasonal temperature was higher, as the second temperature threshold of setting is 15 ℃, the 3rd temperature threshold of setting is 30 ℃, and outdoor temperature is not less than 15 ℃ and while being less than 30 ℃, controls respectively the first water pump 22 and compressor 61 is opened, now only utilize outdoor cold source that the refrigerating capacity of system can not be provided, therefore need to increase compressor 61 refrigeration, but compressor 61 can move by varying capacity, to save the energy.
The 4th embodiment of the refrigeration control method of machine room of the present invention also further comprises: when outdoor temperature is not less than the 3rd temperature threshold of setting, control respectively the second water pump 15 and compressor 61 unlatchings.
The present embodiment method is applicable to outdoor temperature when higher, as summer, as the 3rd temperature threshold set is 30 ℃, when outdoor temperature is not less than 30 ℃, utilize indoor return air more to be conducive to reduce energy resource consumption, need to open compressor 61, and open the second water pump 15, now condenser coil is equivalent to evaporative condenser, makes the wind pushing temperature of machine room lower, and energy consumption is lower.
Above-mentioned refrigeration control method also comprises: when the relative humidity in described machine room is less than the relative humidity threshold value of setting, controls described humidifier 7 and open.
As shown in Figure 6, a specific embodiment of the refrigeration control method of machine room of the present invention comprises the following steps:
As shown in Figure 7, the inventive concept based on identical, the present invention also provides a kind of refrigeration control device of machine room, comprising:
Obtain equipment 91, for obtaining outdoor temperature information;
Control appliance 92, when when outdoor temperature, being less than the first temperature threshold of setting, controlling described the first water pump and open.
Preferably, control appliance 92, be further used for when outdoor temperature is not less than the first temperature threshold of setting and is less than the second temperature threshold of setting, controls respectively described the first water pump and described the second water pump unlatching.
Preferably, control appliance 92, be further used for when outdoor temperature is not less than the second temperature threshold of setting and is less than the 3rd temperature threshold of setting, controls respectively described the first water pump and described compressor and open.
Preferably, control appliance 92, be further used for when outdoor temperature is not less than the 3rd temperature threshold of setting, controls respectively described the second water pump and described compressor and open.
For above-mentioned control appliance 92, when being further used for relative humidity in described machine room and being less than the relative humidity threshold value of setting, control described humidifier and open.
Obviously, those skilled in the art can carry out various changes and modification and not break away from the spirit and scope of the present invention the present invention.Like this, if within of the present invention these are revised and modification belongs to the scope of the claims in the present invention and equivalent technologies thereof, the present invention also is intended to comprise these changes and modification interior.
Claims (15)
1. the refrigeration control system of a machine room, is characterized in that, comprising:
Be positioned at outdoor cooling tower (1), described cooling tower (1) top is provided with blower fan (11);
The first surface cooler (12), the first water pump (22) and the second surface cooler (21) that connect successively and form closed cycle by the first pipeline, wherein, described the first surface cooler (12) is positioned at described cooling tower (1) inside, described the second surface cooler (21) is positioned at return air inlet one side of machine room (10), for cooling machine room return air, described the first water pump (22) pumps into the water in described the first surface cooler (12) in described the second surface cooler (21);
Pressure fan (3), be positioned at air outlet one side of machine room (10), and cooling machine room return air is delivered to machine room (10);
Temperature sensor (4), be arranged at outdoor, for detection of outdoor temperature information;
Control device (5), be connected with described the first water pump (22) signal with described temperature sensor (4) respectively, when when outdoor temperature, being less than the first temperature threshold of setting, controlling described the first water pump (22) and open.
2. refrigeration control system as claimed in claim 1, it is characterized in that, also comprise: be positioned at the collecting-tank (13) of described the first surface cooler (12) below and be positioned at the spray equipment (14) above described the first surface cooler (12), and second water pump (15), wherein, described the second water pump (15) pumps into described spray equipment (14) by water in described collecting-tank (13);
Described control device (5), further with described the second water pump (15) signal, be connected, for when outdoor temperature is not less than the first temperature threshold of setting and is less than the second temperature threshold of setting, control respectively described the first water pump (22) and described the second water pump (15) and open.
3. refrigeration control system as claimed in claim 2, is characterized in that, also comprises:
The compressor (61), condenser coil (62), restricting element (63) and the evaporimeter (64) that connect successively and form closed cycle by the second pipeline, there is cold-producing medium in described the second pipeline, described condenser coil (62) is positioned at the below of described spray equipment (14), and described evaporimeter (64) is for cooling machine room return air;
Described control device (5), further with described compressor (61) signal, be connected, for when outdoor temperature is not less than the second temperature threshold of setting and is less than the 3rd temperature threshold of setting, control respectively described the first water pump (22) and described compressor (61) and open.
4. refrigeration control system as claimed in claim 3, it is characterized in that, described control device (5) comprises and judges whether outdoor temperature is not less than the comparator of the 3rd temperature threshold of setting, and the processor be connected with described comparator signal, when outdoor temperature is not less than the 3rd temperature threshold of setting, described the second water pump (15) controlled respectively by described processor and described compressor (61) is opened.
5. refrigeration control system as described as claim 1～4 any one, is characterized in that, also comprises:
Humidifier (7), be connected with described control device (5) signal, for the return air to machine room, carries out humidification;
When described control device (5) is further used for relative humidity in described machine room and is less than the relative humidity threshold value of setting, control described humidifier (7) and open.
6. a refrigeration control method that is applied to the described refrigeration control system of claim 1, is characterized in that, comprising:
Obtain current outdoor temperature information;
When outdoor temperature is less than the first temperature threshold of setting, controls described the first water pump and open.
7. refrigeration control method as claimed in claim 6, is characterized in that, also comprises:
When outdoor temperature is not less than the first temperature threshold of setting and is less than the second temperature threshold of setting, control described the first water pump and described the second water pump unlatching.
8. want 7 described refrigeration control methods as right, it is characterized in that, also comprise:
When outdoor temperature is not less than the second temperature threshold of setting and is less than the 3rd temperature threshold of setting, control described the first water pump and described compressor and open.
9. want 8 described refrigeration control methods as right, it is characterized in that, also comprise:
When outdoor temperature is not less than the 3rd temperature threshold of setting, controls described the second water pump and described compressor and open.
10. refrigeration control method as described as claim 6～9 any one, is characterized in that, also comprises:
When the relative humidity in described machine room is less than the relative humidity threshold value of setting, controls described humidifier and open.
11. the refrigeration control device of a machine room, is characterized in that, comprising:
Obtain equipment, for obtaining outdoor temperature information;
Control appliance, when when outdoor temperature, being less than the first temperature threshold of setting, controlling described the first water pump and open.
12. refrigeration control device as claimed in claim 11, it is characterized in that, described control appliance, be further used for when outdoor temperature is not less than the first temperature threshold of setting and is less than the second temperature threshold of setting, controls respectively described the first water pump and described the second water pump unlatching.
13. refrigeration control device as claimed in claim 12, it is characterized in that, described control appliance, be further used for when outdoor temperature is not less than the second temperature threshold of setting and is less than the 3rd temperature threshold of setting, controls respectively described the first water pump and described compressor and open.
14. refrigeration control device as claimed in claim 13, is characterized in that, described control appliance is further used for when outdoor temperature is not less than the 3rd temperature threshold of setting, controls respectively described the second water pump and described compressor and opens.
15. refrigeration control device as described as claim 11～14 any one, is characterized in that, described control appliance, when being further used for relative humidity in described machine room and being less than the relative humidity threshold value of setting, is controlled described humidifier and is opened.
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| CN104075492A (en) * | 2014-07-07 | 2014-10-01 | 湖南科技大学 | Underground exhaust energy extraction tower |
| CN104482687A (en) * | 2014-10-16 | 2015-04-01 | 西安工程大学 | Special air conditioning system of gravity type heat pipe compound evaporative condenser for data center |
| CN105444446A (en) * | 2014-08-27 | 2016-03-30 | 艾默生网络能源有限公司 | System, method and devices for refrigeration control of computer room |
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| CN113266930A (en) * | 2021-05-20 | 2021-08-17 | 绍兴文理学院元培学院 | Method, system, equipment and storage medium for computer room environment regulation |
| CN114828597A (en) * | 2022-06-08 | 2022-07-29 | 中国矿业大学 | Disaster recovery data center cooling system based on natural cooling and server level cooling |
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