CN104994716A - A data center energy-saving air-conditioning system using renewable energy for cold accumulation - Google Patents
A data center energy-saving air-conditioning system using renewable energy for cold accumulation Download PDFInfo
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- CN104994716A CN104994716A CN201510424507.4A CN201510424507A CN104994716A CN 104994716 A CN104994716 A CN 104994716A CN 201510424507 A CN201510424507 A CN 201510424507A CN 104994716 A CN104994716 A CN 104994716A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
Abstract
The invention provides a data center energy-saving air-conditioning system using renewable energy for cold accumulation. The data center energy-saving air-conditioning system comprises a data room envelop enclosure, an air-conditioning unit, an electrostatic floor and IT equipment cabinets and further comprises a solar energy adsorption refrigerating unit, a cold accumulation water pump, a cold accumulation water tank and a cold release water pump. A cold accumulation circulation loop is formed between the solar energy adsorption refrigerating unit and the cold accumulation water tank through connection of a cold accumulation water inlet pipe and a cold accumulation water outlet pipe. The cold accumulation water pump is arranged on the cold accumulation water inlet pipe. A cold release circulation loop is formed between the cold accumulation water tank and the air-conditioning unit through connection of a cold release water inlet pipe and a cold release water outlet pipe. The cold release water pump is arranged on the cold release water inlet pipe. An air supply system is arranged in the data room envelop enclosure. With the system, the air supply amount and the air supply pressure of an air supply unit can be greatly reduced and the air supply amount can be adjusted in time according to the return air temperature. Thus, the high temperature air supply cooling can be realized and the energy conservation of tail end air conditioners can be realized in many aspects.
Description
Technical field
The invention belongs to data center's air conditioner energy-saving system, particularly a kind of data center's energy-saving air conditioning system utilizing regenerative resource based on cold-storage.
Background technology
Data center is a place that have accumulated a large amount of server, memory device, the network equipment, realizes the focusing on of data message, stores, transmits, exchanges and the service platform of the business such as management.The air conditioner cooling system that the electricity consumption of data center normally runs primarily of the power consumption of information equipment own, guarantee information equipment and power-supply system three part are formed; Wherein the energy consumption of information equipment is large, and account for 50% of data center's power consumption, air-conditioning system accounts for 40% of total amount, and power-supply system energy consumption accounts for 10%.
The old data center of China also adopts air cooled type constant temperature constant humidity special air conditioning for device room to cool.Air-cooled special air conditioning for device room due to dispersion adopts cold-producing medium direct-expansion-type refrigeration modes, refrigerating efficiency (COP general about 2 ~ 3) inefficiency.Newly-built large-scale data center generally all adopts the higher concentrated water-cooled central air-conditioning of refrigerating efficiency to cool, and improves the efficiency of energy utilization (refrigerating efficiency COP is generally about 4.5 ~ 5.5) of system.
And radiating mode in traditional data center machine room: the cold wind after process is passed through the air-supply wind storehouse air outlet under machine room antistatic floor by air-conditioner set (or special air conditioning for device room), before delivering to calculator room equipment rack, after information technoloy equipment heat exchange (heat radiation), get back to air-conditioner set from the large space of machine room, so circulation maintains the temperature of machine room and the normal operation of information technoloy equipment.
Summary of the invention
The object of the invention is to overcome above-mentioned the deficiencies in the prior art, a kind of data center's energy-saving air conditioning system utilizing regenerative resource based on cold-storage is provided, native system solves data center and adopts conventional air conditioning system to utilize the regenerative resources such as solar energy, and solar energy regenerative resource has instable problem, and solve the problem of the cold and hot losses by mixture of data center's tail end air conditioner, to improve air-conditioning cold flow utilization ratio.
The present invention is achieved through the following technical solutions: the data center's energy-saving air conditioning system utilizing regenerative resource based on cold-storage, comprise data center module building enclosure and be arranged on air-conditioner set, electrostatic floor and the information technoloy equipment rack in data center module building enclosure, also comprise solar adsorption-type refrigerating unit, cold-storage water pump, cold-storage water pot and let cool water pump; Connected respectively by cold-storage water inlet pipe, cold-storage outlet pipe between described solar adsorption-type refrigerating unit and cold-storage water pot, form charge cycle loop, cold-storage water pump is arranged on cold-storage water inlet pipe; Described cold-storage water pot with between described air-conditioner set by letting cool water inlet pipe, let cool outlet pipe and be connected respectively, formed and let cool circulation circuit, let cool water pump and be arranged on and let cool on water inlet pipe; Supply air system is provided with in described data center module enclosed structure.
On sunny daytime, utilizing solar adsorption-type refrigerating unit to prepare chilled water under the condition that solar irradiation is good is stored in cold-storage water pot, night or solar irradiation condition bad in, the chilled water in cold-storage water pot is discharged, supply machine room tail end air conditioner unit.After the cold in cold-storage water pot uses, enter the link utilizing solar refrigeration again, so circulate.Effectively can solve the problem of the regenerative resource instability such as solar energy.
Described electrostatic floor and ground form air-supply passage, this air-supply passage of cold wind outlet bottom described air-conditioner set, and electrostatic floor is provided with air outlet; Described every two row's information technoloy equipment racks, front end in opposite directions, the opposing placement in back, be provided with cold channel enclosed plate between the top of the two row information technoloy equipment rack front ends of placing in opposite directions, information technoloy equipment rack front end closed and forms airtight cold passage; Space between the back of described information technoloy equipment rack and data center module building enclosure is hot air reflux passage; Supply air system described in described air-supply passage, cold passage and hot air reflux passage are formed; The back of each information technoloy equipment rack is provided with temperature sensor; Be provided with control system in described data center module building enclosure, described temperature sensor is connected with air-conditioner set by control system.The cold wind of air-conditioner set enters in cold passage by air-supply passage through air outlet, flowing out to after hot air reflux passage through the back of information technoloy equipment rack is back in air-conditioner set again, the setting of cold channel enclosed plate, block the flow direction of cold wind in cold passage, force cold wind to pass from information technoloy equipment rack front end, discharge from the back of information technoloy equipment rack front end after absorbing heat.
Described supply air system also comprises frequency conversion breeze fan, and described frequency conversion breeze fan is arranged on described air outlet place and is positioned at cold channel bottom.Temperature sensor and frequency conversion breeze fan link, and when the temperature detecting information technoloy equipment rack back is higher than set point, increase the frequency of the frequency conversion breeze fan linked with it, improve air output; When the temperature detecting information technoloy equipment rack back is lower than set point, reduce the frequency of the frequency conversion breeze fan linked with it, reduce air output, accomplish to supply cold wind air quantity as required, accurately supply cold blast rate.
Advantage of the present invention is: the present invention has seasonal and unstable feature in conjunction with this kind of regenerative resource of solar adsorption-type refrigerating, and cold-storage facility can make preparation and use occur in feature the supplementing, so that the cold source of air conditioning of data center utilizes regenerative resource as conventional energy resource of Different periods.Adopt the mode of native system, significantly can reduce air output and the blast pressure of air-supply unit, and can adjust air output according to return air temperature in good time in good time, to realize high temperature air-supply cooling, it is energy-conservation that many factors realizes tail end air conditioner.
Accompanying drawing explanation
Fig. 1 is the systematic schematic diagram of the embodiment of the present invention.
Reference numeral implication in figure: 1, solar adsorption-type refrigerating unit; 2, cold-storage water pump; 3, cold-storage water pot; 4, water pump is let cool; 5, data center module building enclosure; 6, air-conditioner set; 7, electrostatic floor; 8, cold channel enclosed plate; 9, information technoloy equipment rack; 10, frequency conversion breeze fan; 11, temperature sensor; 12, cold-storage water inlet pipe; 13, cold-storage outlet pipe; 14, water inlet pipe is let cool; 15, outlet pipe is let cool; 16, cold passage; 17, air-supply passage; 18, hot air reflux passage; 19, control system.
Embodiment
Below in conjunction with the drawings and specific embodiments, content of the present invention is described in further details.
Embodiment
Consult Fig. 1, arrow is depicted as the path of air-supply flowing, on the daytime that sunlight is fierce, system of the present invention coordinates conventional air-conditioning to use, realize carrying out cooling to data center machine room, reach energy-conservation object, and at night, if the cold of system cold-storage is enough, just data center machine room cooling can be given separately.The present invention is a kind of data center's energy-saving air conditioning system utilizing regenerative resource based on cold-storage, comprise data center module building enclosure 5 and be arranged on air-conditioner set 6, electrostatic floor 7 and the information technoloy equipment rack 9 in data center module building enclosure 5, also comprise solar adsorption-type refrigerating unit 1, cold-storage water pump 2, cold-storage water pot 3 and let cool water pump 4; Connected respectively by cold-storage water inlet pipe 12, cold-storage outlet pipe 13 between solar adsorption-type refrigerating unit 1 and cold-storage water pot 3, form charge cycle loop, cold-storage water pump 2 is arranged on cold-storage water inlet pipe 12; Between cold-storage water pot 3 with air-conditioner set 6 by letting cool water inlet pipe 14, let cool outlet pipe 15 and be connected respectively, formed and let cool circulation circuit, let cool water pump 4 and be arranged on and let cool on water inlet pipe 14; Supply air system is provided with in data center module enclosed structure.
The present invention utilizes solar adsorption-type refrigerating unit 1 to prepare chilled water to be stored in cold-storage water pot 3, night or solar irradiation condition bad in, the chilled water in cold-storage water pot 3 is discharged, supply machine room tail end air conditioner unit 6.After the cold in cold-storage water pot 3 uses, enter the link utilizing solar refrigeration again, so circulate, effectively can solve the problem of the regenerative resource instability such as solar energy.On the daytime that solar illumination is good, air-conditioning system of the present invention coordinates conventional air-conditioning to use, and realizes, to machine room cooling, reaching energy-conservation object; At night, if when the cold of air-conditioning system cold-storage is enough, then can give machine room cooling separately.
Electrostatic floor 7 and ground form air-supply passage 17, this air-supply passage 17 of the cold wind outlet bottom air-conditioner set 6, and electrostatic floor 7 is provided with air outlet; Every two row's information technoloy equipment racks 9, front end in opposite directions, the opposing placement in back, be provided with cold channel enclosed plate 8 between the top of two row information technoloy equipment rack 9 front ends of placing in opposite directions, information technoloy equipment rack 9 front end closed and forms airtight cold passage 16; Space between the back of information technoloy equipment rack 9 and data center module building enclosure 5 is hot air reflux passage 18; Air-supply passage 17, cold passage 16 and hot air reflux passage 18 form supply air system; The back of each information technoloy equipment rack 9 is provided with temperature sensor 11; Be provided with control system 19 in data center module building enclosure 5, temperature sensor 11 is connected with air-conditioner set 6 by control system 19.The cold wind of air-conditioner set 6 is entered in cold passage 16 through air outlet by air-supply passage 17, then flows out to through the back of information technoloy equipment rack 9 after hot air reflux passage 18 and be back in air-conditioner set 6; The setting of cold channel enclosed plate 8, blocks the flow direction of cold wind in cold passage 16, forces cold wind to pass from information technoloy equipment rack 9 front end, discharges after absorbing heat from the back of information technoloy equipment rack 9 front end.
Supply air system also comprises frequency conversion breeze fan 10, and frequency conversion breeze fan 10 is arranged on air outlet place and is positioned at bottom cold passage 16.Temperature sensor 11 and frequency conversion breeze fan 10 link, and when the temperature detecting information technoloy equipment rack 9 back is higher than set point, increases the frequency of the frequency conversion breeze fan 10 linked with it, improve air output; When the temperature detecting information technoloy equipment rack 9 back is lower than set point, reduce the frequency of the frequency conversion breeze fan 10 linked with it, reduce air output, accomplish to supply cold wind air quantity as required, accurately supply cold blast rate.The lifting of the frequency of frequency conversion breeze fan 10, the air output by increase or reduction air-conditioner set 6 realizes, and also can change the frequency of frequency conversion breeze fan 10 by increasing a drive unit.
On sunny daytime, under the condition that solar irradiation is good, by cold-storage water pump 2 by the warm water in cold-storage water pot 3, the chilled water preparing 7 DEG C is sent into solar adsorption-type refrigerating unit 1 from cold-storage water inlet pipe 12, then continue to return in cold-storage water pot 3, circulation like this, until the cold water in cold-storage water pot 3 reaches store temperature 7 DEG C (or solar adsorption-type refrigerating unit 1 quits work at dusk), stops solar adsorption-type refrigerating unit 1 and cold-storage water pump 2.
When night, data center needed cooling calculator room equipment, unlatching lets cool water pump 4, extract the air-conditioner set 6 in the chilled water supply data machine room building enclosure 5 of 7 DEG C in cold-storage water pot 3, cold-storage water pot 3 is returned after letting cool, circulation like this, until the cold water temperature in cold-storage water pot 3 reaches capping (when cannot meet the cooling needs of air-conditioner set 6), stops letting cool water pump 4.
The chilled water heat exchange of 7 DEG C of air-conditioner set 6 by supplying with cold-storage water pot 3 in data center module, the cold wind of 20 DEG C is carried below air-conditioner set 6, before the air-supply passage 17 of electrostatic floor 7 times formations delivers to information technoloy equipment rack 9, and by frequency conversion breeze fan 10 cold wind sent in the cold passage 16 of confined space that is made up of cold channel enclosed plate 8, cold wind is via the front end of information technoloy equipment rack 9, from the discharge at information technoloy equipment rack 9 back after absorption heat, then get back in air-conditioner set 6 from hot air reflux passage 18, with the chilled water heat exchange of low temperature.
The temperature sensor 11 at information technoloy equipment rack 9 back, the leaving air temp of timely monitor information technoloy equipment rack 9, such as, when monitoring leaving air temp higher than 30 DEG C, raising the frequency of frequency conversion breeze fan 10, increasing air output; If monitoring leaving air temp is reduce the frequency of frequency conversion breeze fan 10 lower than 30 DEG C, reduces air output, realize accurate air-feeding as required, reduce total air output, and can wind pushing temperature be improved, reduce loss of refrigeration capacity and consumption, reach energy-conservation object.
Above-listed detailed description is illustrating for possible embodiments of the present invention, and this embodiment is also not used to limit the scope of the claims of the present invention, and the equivalence that all the present invention of disengaging do is implemented or changed, and all should be contained in the scope of the claims of this case.
Claims (3)
1. data center's energy-saving air conditioning system of regenerative resource is utilized based on cold-storage, comprise data center module building enclosure and be arranged on air-conditioner set, electrostatic floor and the information technoloy equipment rack in data center module building enclosure, it is characterized in that: also comprise solar adsorption-type refrigerating unit, cold-storage water pump, cold-storage water pot and let cool water pump; Connected respectively by cold-storage water inlet pipe, cold-storage outlet pipe between described solar adsorption-type refrigerating unit and cold-storage water pot, form charge cycle loop, cold-storage water pump is arranged on cold-storage water inlet pipe; Described cold-storage water pot with between described air-conditioner set by letting cool water inlet pipe, let cool outlet pipe and be connected respectively, formed and let cool circulation circuit, let cool water pump and be arranged on and let cool on water inlet pipe; Supply air system is provided with in described data center module enclosed structure.
2. the data center's energy-saving air conditioning system utilizing regenerative resource based on cold-storage according to claim 1, it is characterized in that: described electrostatic floor and ground form air-supply passage, this air-supply passage of cold wind outlet bottom described air-conditioner set, electrostatic floor is provided with air outlet; Described every two row's information technoloy equipment racks, front end in opposite directions, the opposing placement in back, be provided with cold channel enclosed plate between the top of the two row information technoloy equipment rack front ends of placing in opposite directions, information technoloy equipment rack front end closed and forms airtight cold passage; Space between the back of described information technoloy equipment rack and data center module building enclosure is hot air reflux passage; Supply air system described in described air-supply passage, cold passage and hot air reflux passage are formed; The back of each information technoloy equipment rack is provided with temperature sensor; Be provided with control system in described data center module building enclosure, described temperature sensor is connected with air-conditioner set by control system.
3. the data center's energy-saving air conditioning system utilizing regenerative resource based on cold-storage according to claim 2, it is characterized in that: described supply air system also comprises frequency conversion breeze fan, described frequency conversion breeze fan is arranged on described air outlet place and is positioned at cold channel bottom.
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| CN201510424507.4A CN104994716B (en) | 2015-07-17 | 2015-07-17 | Data center's energy-saving air conditioning system of regenerative resource is utilized based on cold-storage |
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| CN106507647A (en) * | 2016-12-23 | 2017-03-15 | 广东申菱环境系统股份有限公司 | The cooling system that a kind of solar energy absorption type refrigeration is closed with liquid cold junction |
| CN106765788A (en) * | 2017-01-20 | 2017-05-31 | 广东欧科空调制冷有限公司 | Cold storage cabinet air conditioner |
| CN108448944A (en) * | 2018-05-22 | 2018-08-24 | 中能信创（北京）售电有限公司 | Data center's afterheat generating system |
| CN110933912A (en) * | 2019-12-07 | 2020-03-27 | 广东科云辰航计算科技有限责任公司 | Cold-storage energy-saving device for data center |
| CN115334829A (en) * | 2022-07-07 | 2022-11-11 | 苏州浪潮智能科技有限公司 | Low-carbon data center and operation method thereof |
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