CN111256255B - Evaporative condensing integrated cabinet air conditioning system for data centers - Google Patents
Evaporative condensing integrated cabinet air conditioning system for data centers Download PDFInfo
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- CN111256255B CN111256255B CN202010109083.3A CN202010109083A CN111256255B CN 111256255 B CN111256255 B CN 111256255B CN 202010109083 A CN202010109083 A CN 202010109083A CN 111256255 B CN111256255 B CN 111256255B
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- air
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- water
- inlet pipe
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- 238000004378 air conditioning Methods 0.000 title abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 82
- 239000000945 filler Substances 0.000 claims description 13
- 238000009833 condensation Methods 0.000 abstract description 35
- 230000005494 condensation Effects 0.000 abstract description 32
- 238000001704 evaporation Methods 0.000 abstract description 31
- 230000008020 evaporation Effects 0.000 abstract description 31
- 239000003507 refrigerant Substances 0.000 description 10
- 238000001816 cooling Methods 0.000 description 6
- 238000005265 energy consumption Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 239000011148 porous material Substances 0.000 description 3
- 238000005057 refrigeration Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
- F24F5/0035—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning using evaporation
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Other Air-Conditioning Systems (AREA)
Abstract
The invention discloses an evaporation and condensation integrated cabinet air-conditioning system for a data center, which comprises a plurality of evaporation and condensation integrated cabinet air-conditioners arranged in a data center machine room, an outdoor water tank arranged outside the data center machine room, and a water inlet pipe, wherein one end of the water inlet pipe is connected with the outdoor water tank, and the other end of the water inlet pipe is divided into a plurality of branches which are respectively connected with the plurality of evaporation and condensation integrated cabinet air-conditioners; an air supply channel and an air exhaust channel are also arranged in the data center machine room, each evaporation and condensation integrated cabinet air conditioner is communicated with the air supply channel through a first air pipe, and outdoor air enters the evaporation and condensation integrated cabinet air conditioner through the air supply channel through a machine room air inlet on the air supply channel; each evaporation and condensation integrated cabinet air conditioner is communicated with an exhaust air duct through a second air duct. The air conditioning system avoids the problems of large occupied area and unstable refrigerating efficiency of the traditional condenser.
Description
Technical Field
The invention belongs to the technical field of air conditioning system equipment, and particularly relates to an evaporation and condensation integrated cabinet air conditioning system for a data center.
Background
In the age background of big data, a data center room is an important place where data center people are extremely concerned. In a data center machine room, in order to maintain constant temperature and humidity throughout the year in the machine room, the machine room air conditioner provides a clean, constant temperature and constant humidity environment for the data center. The air conditioning energy consumption occupies a significant portion of the data center energy consumption. The problems of reducing the energy consumption of an air conditioner and enhancing the refrigerating efficiency of a data center are solved.
The traditional mechanical refrigeration has high initial investment and high energy consumption for system operation, so that the efficiency of the mechanical air conditioner needs to be improved as much as possible under the condition of utilizing limited energy. The evaporative cooling technology can be well utilized in the cooling of the data center as a green, energy-saving and environment-friendly technology. Evaporative cooling utilizes "dry air energy" to produce cold or cold water by direct or indirect contact of air with water. The traditional condenser has large occupied area and difficult installation. In extreme weather in summer, the outdoor air temperature is too high, so that the heat dissipation of the condenser is not smooth, and the heat exchange capacity is limited.
Disclosure of Invention
The invention aims to provide an evaporation-condensation integrated cabinet air conditioning system for a data center, which is characterized in that an evaporation condenser is arranged at the upper part of an integrated cabinet, and outdoor fresh air and air exhaust of a unit are flexibly controlled through an air duct, so that the problems of large occupied area and unstable refrigerating efficiency of the traditional condenser are avoided.
The technical scheme adopted by the invention is that the evaporation and condensation integrated cabinet air conditioning system for the data center comprises a plurality of evaporation and condensation integrated cabinet air conditioners arranged in a data center machine room, an outdoor water tank arranged outside the data center machine room, and a water inlet pipe, wherein one end of the water inlet pipe is connected with the outdoor water tank, and the other end of the water inlet pipe is divided into a plurality of branches which are respectively connected with the plurality of evaporation and condensation integrated cabinet air conditioners; an air supply channel and an air exhaust channel are also arranged in the data center machine room, each evaporation and condensation integrated cabinet air conditioner is communicated with the air supply channel through a first air pipe, and outdoor air enters the evaporation and condensation integrated cabinet air conditioner through the air supply channel through a machine room air inlet on the air supply channel; each evaporation and condensation integrated cabinet air conditioner is communicated with an exhaust air duct through a second air duct, and high-temperature working air generated by the evaporation and condensation integrated cabinet air conditioner is discharged outdoors through the exhaust air duct by a machine room air outlet on the exhaust air duct.
The present invention is also characterized in that,
The evaporation and condensation integrated cabinet air conditioner comprises a shell, wherein the middle lower parts of the two opposite side walls of the shell are respectively provided with an orifice plate air supply opening and an orifice plate air return opening, a water baffle, a water distributor, a condensing coil and a filler are sequentially arranged in the shell from top to bottom, and the water distributor is connected with an outdoor water tank through a branch of a water inlet pipe; an air outlet is formed in the top wall of the shell corresponding to the water baffle, an air inlet is formed in the side wall of the shell corresponding to the filler, and the position of the air inlet is higher than that of the orifice plate air supply outlet and the orifice plate air return outlet; the compressor, the surface cooler and the throttling device which are sequentially connected through pipelines are further arranged below the packing in the shell, one end of the condensing coil is connected with the compressor, and the other end of the condensing coil is connected with the throttling device.
An exhaust fan is arranged in the exhaust outlet.
And a circulating water pump is arranged on the branch of the water inlet pipe.
And the shell is also internally provided with a blower A and a blower B which are arranged up and down, and the blower A and the blower B are arranged close to the orifice plate blower inlet.
The first air pipe is provided with an air valve.
The outdoor water tank is provided with a water tank water inlet pipe.
The beneficial effects of the invention are as follows:
(1) Compared with the traditional air-cooled condenser and water-cooled condenser, the evaporative condenser in the integrated cabinet air-conditioning system has low contact heat transfer efficiency by utilizing the evaporative cooling technology, namely utilizing the heat mass exchange of water and air, and the evaporative condenser utilizes the heat exchange of the latent heat, so that the temperature of the refrigerant in the condensing coil is greatly reduced, and the heat exchange efficiency of the condenser is improved;
(2) According to the integrated cabinet air conditioning system, the air inlet channel and the air exhaust air channel are arranged at the upper part of the machine room, the evaporative condenser is arranged at the upper part of the integrated cabinet, and the outdoor fresh air and the air exhaust of the unit are flexibly controlled through the air channel, so that the problems of large occupied area and unstable refrigerating efficiency of the traditional condenser are avoided.
(3) The fan adopted in the integrated cabinet air conditioning system is an EC fan, and has the advantages of low noise, light weight, stable operation, high efficiency, energy conservation and the like; the cabinet air conditioner adopts the pore plate for air supply, so that the airflow organization is more uniform; the circulating water tank is arranged outside the data machine room, so that accidents of large amount of water leakage of the water tank are effectively avoided, and normal working operation of the data machine room is not affected.
Drawings
FIG. 1 is a schematic diagram of the structure of an integrated cabinet air conditioner in an evaporative condensing integrated cabinet air conditioning system for a data center of the present invention;
FIG. 2 is a schematic view of the blower A and blower B of FIG. 1;
FIG. 3 is a cross-sectional view A-A of FIG. 1;
Fig. 4 is a schematic structural diagram of an evaporation and condensation integrated cabinet air conditioning system for a data center according to the present invention.
In the figure, the air exhauster 1, the water baffle 2, the condensing coil 3, the filler 4, the circulating water pump 5, the surface air cooler 6, the throttling device 7, the compressor 8, the water inlet pipe 9, the air inlet 10, the water distributor 11, the air outlet 12, the air blower A13, the air blower B14, the air blower 15, the machine room air inlet 16, the air valve 17, the machine room air outlet 18, the water tank water inlet pipe 19, the outdoor water tank 20, the pore plate air supply port 21, the pore plate air return port 22, the air supply air flue 23 and the air exhaust air flue.
Detailed Description
The invention will be described in detail below with reference to the drawings and the detailed description.
The invention relates to an evaporation and condensation integrated cabinet air conditioning system for a data center, which is shown in figures 1-4, and comprises a plurality of evaporation and condensation integrated cabinet air conditioners arranged in a data center machine room, an outdoor water tank 19 arranged outside the data center machine room, and a water inlet pipe 9, wherein one end of the water inlet pipe 9 is connected with the outdoor water tank 19, and the other end of the water inlet pipe 9 is divided into a plurality of branches which are respectively connected with the plurality of evaporation and condensation integrated cabinet air conditioners; an air supply duct 22 and an air exhaust duct 23 are also arranged in the data center machine room, each evaporation and condensation integrated cabinet air conditioner is communicated with the air supply duct 22 through a first air pipe, and outdoor air enters the evaporation and condensation integrated cabinet air conditioner through the air supply duct 22 through a machine room air inlet 15 on the air supply duct 22; each evaporation and condensation integrated cabinet air conditioner is communicated with an exhaust air duct 23 through a second air duct, and high-temperature working air generated by the evaporation and condensation integrated cabinet air conditioner is discharged outdoors through the exhaust air duct 23 by a machine room air outlet 17 on the exhaust air duct 23.
The evaporation and condensation integrated cabinet air conditioner comprises a shell, wherein the middle lower part of the two opposite side walls of the shell are respectively provided with an orifice plate air supply opening 20 and an orifice plate air return opening 21, a water baffle 2, a water distributor 11, a condensing coil 3 and a filler 4 are sequentially arranged in the shell from top to bottom, and the water distributor 11 is connected with an outdoor water tank 19 through a branch of a water inlet pipe 9; an air outlet 12 is arranged on the top wall of the shell corresponding to the water baffle 2, an air inlet 10 is arranged on the side wall of the shell corresponding to the filler 4, and the position of the air inlet 10 is higher than that of the orifice plate air supply outlet 20 and the orifice plate air return outlet 21; the compressor 8, the surface cooler 6 and the throttling device 7 which are sequentially connected through pipelines are further arranged below the packing 4 in the shell, one end of the condensing coil 3 is connected with the compressor 8, and the other end of the condensing coil 3 is connected with the throttling device 7.
An exhaust fan 1 is arranged in the exhaust outlet 12.
The branch of the water inlet pipe 9 is provided with a circulating water pump 5.
The casing is also provided with a blower A13 and a blower B14 which are arranged up and down, and the blower A13 and the blower B14 are arranged close to the orifice plate blower opening 20.
The first air duct is provided with an air valve 16.
The outdoor water tank 19 is provided with a tank inlet pipe 18.
The evaporative condenser part consists of an exhaust fan 1, a water baffle 2, a water distributor 11, a condensing coil 3, a filler 4, a circulating water pump 5 and an outdoor water tank 19. The high-temperature and high-pressure refrigerant gas discharged by the compressor 8 enters the condensing coil 3, outdoor air enters the evaporation and condensation part of the cabinet through the air supply duct 22 at the upper part of the cabinet and then enters the evaporation and condensation part of the cabinet through the air inlet at the upper part of the side of the cabinet, and the outdoor water tank 19 is arranged outside the data machine room, so that accidents of leakage of a large amount of water in the water tank are effectively avoided, and the normal working operation of the data machine room is not influenced.
The evaporation-condensation integrated cabinet air conditioner adopts evaporation-condensation integration, firstly, the technology of ultralow energy consumption of evaporation condensation is combined, so that the condensation efficiency of a condenser is increased to a certain extent, the energy consumption is reduced, and the refrigerating efficiency of the cabinet air conditioner is improved; secondly, an evaporation and condensation technology is adopted, and the condensation heat is taken away by utilizing the vaporization latent heat of water, so that compared with water cooling and air cooling, the energy efficiency ratio is higher; and thirdly, the filler is arranged below the condensing coil 3, so that circulating water is cooled firstly, the condensing efficiency of the condenser is improved, and the outdoor fresh air entering the unit from the lower part of the unit is cooled.
The working process of the evaporation and condensation integrated cabinet air conditioning system for the data center is as follows:
When the evaporator is in operation, the exhaust fan 1 is started, the air valve 16 is opened, and outdoor air enters the integrated cabinet air conditioning unit from the air supply duct 22 of the machine room through the air inlet 10 by the air inlet 15 of the machine room, and the filler 4 of the evaporative condenser. And the high-temperature working air is discharged outdoors by the exhaust air duct 23 under the action of the exhaust fan 1. Under the action of the circulating water pump 5, water in the outdoor water tank 19 enters the upper part of the unit through the water inlet pipe 9, is sprayed on the condensing coil 3 by the water distributor 11, forms a thin water film on the condensing coil 3, and then drips on the filler 4 at the lower end of the condensing coil 3. The outdoor air is humidified and cooled by the filler 4 sprayed with water, and the air and a water film on the surface of the condensing coil 3 generate a heat and mass exchange process, so that the temperature of the refrigerant in the condensing coil 3 is greatly reduced, and the high-temperature and high-pressure refrigerant gas is condensed into low-temperature refrigerant liquid. The refrigerant liquid enters the surface cooler 6 in the middle of the integrated cabinet air conditioner unit, and the high-temperature working air is discharged out of the unit from the air outlet 12 under the action of the exhaust fan 1 and is discharged out of the room from the air outlet 17 through the exhaust air duct 23.
In the refrigeration cycle, high-temperature and high-pressure refrigerant gas is discharged by the compressor 8 and condensed into refrigerant liquid after passing through the evaporative condenser, the refrigerant liquid becomes low-temperature and low-pressure refrigerant liquid after passing through the throttling device 7 and then enters the surface cooler 6, machine room return air entering the cabinet through the orifice plate return air inlet 21 of the air conditioning unit is cooled, and the cooled air is uniformly blown into the machine room through the orifice plate air inlet 20 on the front face of the air conditioning unit under the action of the blower A13 and the blower B14, so that a refrigeration cycle is formed.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010109083.3A CN111256255B (en) | 2020-02-21 | 2020-02-21 | Evaporative condensing integrated cabinet air conditioning system for data centers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010109083.3A CN111256255B (en) | 2020-02-21 | 2020-02-21 | Evaporative condensing integrated cabinet air conditioning system for data centers |
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| Publication Number | Publication Date |
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| CN111256255A CN111256255A (en) | 2020-06-09 |
| CN111256255B true CN111256255B (en) | 2024-11-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010109083.3A Active CN111256255B (en) | 2020-02-21 | 2020-02-21 | Evaporative condensing integrated cabinet air conditioning system for data centers |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111867331A (en) * | 2020-07-28 | 2020-10-30 | 深圳科士达科技股份有限公司 | Integrated energy-saving cabinet with condensate evaporation device |
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| JP2006046709A (en) * | 2004-08-02 | 2006-02-16 | Mitsubishi Electric Corp | Refrigerating air conditioner |
| KR100961935B1 (en) * | 2008-09-08 | 2010-06-10 | 주식회사 엑트 | Air conditioning constant temperature and humidity device |
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| CN201497089U (en) * | 2009-07-29 | 2010-06-02 | 威海中天嘉能空调科技有限公司 | Evaporative condensing computer room air conditioner |
| CN205481475U (en) * | 2016-01-05 | 2016-08-17 | 中兴通讯股份有限公司 | Modularization refrigeration plant |
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2020
- 2020-02-21 CN CN202010109083.3A patent/CN111256255B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104456786A (en) * | 2014-11-11 | 2015-03-25 | 陕西优斯达环境科技有限公司 | Evaporation-condensation type integrated water chilling unit |
| CN206919207U (en) * | 2017-07-04 | 2018-01-23 | 四川依米康环境科技股份有限公司 | A kind of energy-efficient Integral computer-room air-conditioning |
| CN107613722A (en) * | 2017-08-23 | 2018-01-19 | 西安工程大学 | A cooling system combining separate heat pipes and evaporative condensers for data centers |
| CN209840328U (en) * | 2019-02-25 | 2019-12-24 | 昆山台佳机电有限公司 | Double-cold evaporative cooling-condensation integrated air conditioning unit for data center machine room |
| CN212108833U (en) * | 2020-02-21 | 2020-12-08 | 西安工程大学 | Air conditioning system for data center based on evaporative condensation technology |
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| CN111256255A (en) | 2020-06-09 |
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