CN110198616A - A kind of refrigeration system and its application method for data center computer room - Google Patents
A kind of refrigeration system and its application method for data center computer room Download PDFInfo
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- CN110198616A CN110198616A CN201910432397.4A CN201910432397A CN110198616A CN 110198616 A CN110198616 A CN 110198616A CN 201910432397 A CN201910432397 A CN 201910432397A CN 110198616 A CN110198616 A CN 110198616A
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- computer room
- data center
- cooling
- center computer
- water
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20709—Modifications to facilitate cooling, ventilating, or heating for server racks or cabinets; for data centers, e.g. 19-inch computer racks
- H05K7/20718—Forced ventilation of a gaseous coolant
- H05K7/20745—Forced ventilation of a gaseous coolant within rooms for removing heat from cabinets, e.g. by air conditioning device
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- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Other Air-Conditioning Systems (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a kind of refrigeration systems and its application method for data center computer room, including heat-extraction system, chilled water system and cold supply system, heat-extraction system includes cooling tower and the first cooling water pump, chilled water system includes water cooler, water cooler includes condenser, evaporator and the second cooling water pump, cold supply system includes data center computer room and outdoor air compensation device, outdoor air compensation device is mounted on data center computer room computer room outer wall, filter is mounted on the top of air conditioner, cooling water coil is mounted on the inner cavity of air conditioner, first blower setting is in the bottom of air conditioner, the side wall of cold air duct against rack is provided with air outlet.The present invention solves in thermal and humidity environment because cooling cannot be evaporated well, it is easy to cause appearance refrigeration in operational process insufficient, it can not combine that water side is cooling and air side is cooling well, high energy consumption, weak by surrounding environment influence, adaptability, the problem of high humidity environment can not be adapted to.
Description
Technical field
The present invention relates to data center computer room cooling technology field, specially a kind of refrigeration system for data center computer room and its make
Use method.
Background technique
With the fast development of ICT industry, the quantity and its energy consumption level of data center computer room are also in increase at double.Meanwhile
Because the energy consumption of data air conditioner in machine room cooling system accounts for total energy consumption nearly half, therefore the energy consumption problem of the cooling system of data center computer room
More and more attention has been paid to.
Currently, the air-conditioning system of the cooling work for data center computer room mainly has three categories, the first kind in refrigeration industry
It is the air-cooled air conditioning system that traditional offer cooling air takes away data center computer room heat, the second class is that freezing is produced using cooling tower
Water carries out the air-conditioning system of water cooling to data center computer room, and third class is cooling to data center computer room using cold mode is directly or indirectly evaporated
Air-conditioning system.Conventional air-cooled air conditioning system operating cost is high, but there is huge energy-saving potentials for air side；Water cooling is empty
Adjusting system operating cost is low, and the investment payback time is short, but, cold source is affected by environment larger；The evaporation cold air conditioning system of third class
Natural cooling source, good energy saving property can be utilized to a greater extent, but are easy in thermal and humidity environment because of that cannot evaporate cooling well
Lead to occur freezing insufficient problem in operational process, water side can not be combined well cooling and air side cooling, high energy consumption,
It is weak by surrounding environment influence, adaptability, the problem of high humidity environment can not be adapted to, for this purpose, we devise it is a kind of for modem
The refrigeration system and its application method in room.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of refrigeration system for data center computer room and its users
Method solves in thermal and humidity environment because cooling cannot be evaporated well, is easy to cause in operational process and insufficient, nothing of freezing occurs
Method combines water side cooling well and air side is cooling, high energy consumption, weak by surrounding environment influence, adaptability, can not adapt to high humidity
The problem of environment.
In order to achieve the above object, the technical scheme adopted by the invention is that:
A kind of refrigeration system for data center computer room, including heat-extraction system, chilled water system and cold supply system, the heat-extraction system packet
Cooling tower and the first cooling water pump are included, the chilled water system includes water cooler, and the water cooler includes condenser, evaporator
And second cooling water pump, the cold supply system include data center computer room and outdoor air compensation device, the outdoor air compensation device is mounted on
Data center computer room computer room outer wall.
A kind of refrigeration system for data center computer room above-mentioned is provided with air conditioner, rack, filtering in the data center computer room
Device, the first pressure fan, cold air duct, cooling water coil and control module, the filter is mounted on the top of air conditioner, described
Cooling water coil is mounted on the inner cavity of air conditioner, and first blower setting is in the bottom of air conditioner, and the air-supply of pressure fan
Mouth is connected to cold air duct case, and the side wall of the cold air duct against rack is provided with air outlet.
The inner cavity right side of a kind of refrigeration system for data center computer room above-mentioned, the outdoor air compensation device is provided with second
Pressure fan, and the air outlet of the second pressure fan is connected with data center computer room, the left side of the outdoor air compensation device and data center computer room
Junction be provided with wind-supplying mouth.
A kind of refrigeration system for data center computer room above-mentioned, the water cooler include condenser, evaporator, expansion
Valve, compressor and motor, the condenser, evaporator, expansion valve and compressor are connected by cooling tube, the compressor and horse
Up to electric connection.
A kind of refrigeration system for data center computer room above-mentioned is equipped with Air Filter in the wind-supplying mouth.
A kind of application method of the refrigeration system for data center computer room, step (A), the control module first control heat extraction system
The first cooling water pump in system extracts cooling water out from cooling tower, is pumped into chilled water system by cooling pipe；
Water is passed to the cooling in data center computer room in air conditioner by step (B), the chilled water system by cooling water pipe after cooling
Water coil carries out heat exchange, and air after cooling is blown into cold air duct by the first pressure fan；
Step (C), the cold wind in the cold air duct are blown into data center computer room by cold air outlet, are cooled down to rack；
Step (D), simultaneously with step (C), the wind-supplying mouth of the outer air compensation device of control module control room and data center computer room junction into
Row mends wind, and the second pressure fan blows to data center computer room, promotes the air of data center computer room to flow, and hot wind is sent to filter
After purification, heat exchange is carried out by cooling water coil；
Step (E), the cooling water in cooling water coil after carrying out heat exchange are pumped by the second cooling water pump in chilled water system
Water cooler, and reached by cooling water pipe and carry out heat extraction in cooling tower.
The application method of a kind of refrigeration system for data center computer room above-mentioned, in step (B), in the water cooler
Refrigerant enters compressor with low-temp low-pressure superheat state, becomes high temperature and pressure superheat state refrigerant, high temperature and pressure mistake after compression
After Warm status refrigerant enters condenser, heat is transmitted to cooling water and condenses into high pressure medium temperature liquid refrigerants, high pressure medium temperature liquid is cold
The expanded valve of matchmaker becomes low-pressure low-temperature liquid gas admixture refrigerant, after low-temp low-pressure liquid gas admixture refrigerant enters evaporator,
Heat exchange is carried out with chilled water, chilled water is cooled here, and refrigerant is then evaporated because absorbing heat, later with low-temp low-pressure
Superheated vapor state enters compressor and carries out circulating cooling.
A kind of application method of refrigeration system for data center computer room above-mentioned, the chilled water return water temperature are 10-15
DEG C, after doing heat exchange into freezer unit and refrigerant, leaving water temperature is 5-8 DEG C, and the cold in-water temperature is 25-32 DEG C, into
Enter condenser and after refrigerant does heat exchange, leaving water temperature is 33-37 DEG C.
The invention has the benefit that structure of the invention design is rationally, control module first controls first in heat-extraction system
Cooling water pump extracts cooling water out from cooling tower, is pumped into chilled water system by cooling pipe, chilled water system will pass through after water cooling
Cooling water pipe passes to the cooling water coil in data center computer room in air conditioner and carries out heat exchange, and air after cooling is by the first air-supply
Machine is blown into cold air duct, and the cold wind in cold air duct is blown into data center computer room by cold air outlet, is cooled down to rack, and mould is controlled
The outer air compensation device of block control room and the wind-supplying mouth of data center computer room junction carry out benefit wind, and the second pressure fan send data center computer room
Wind promotes the air of data center computer room to flow, and hot wind is sent to filter cleaning, carries out heat exchange by cooling water coil, into
The cooling water in cooling water coil after row heat exchange is pumped into water cooler by the second cooling water pump in chilled water system, and by cold
But water pipe, which reaches, carries out heat extraction in cooling tower, solve in thermal and humidity environment because cooling cannot be evaporated well, be easy to cause fortune
It is insufficient to occur refrigeration during row, can not combine that water side is cooling and air side is cooling well, high energy consumption, by ambient enviroment shadow
The problem of sound, adaptability are weak, can not adapt to high humidity environment.
Detailed description of the invention
Fig. 1 is the principle of the present invention figure；
Fig. 2 is the schematic diagram of water chiller.
In figure: 1, cooling tower, the 2, first cooling water pump, 3, condenser, 4, evaporator, the 5, second cooling water pump, 6, data
Computer room, 7, outdoor air compensation device, the 8, second pressure fan, 9, cold air duct, 10, air conditioner, 11, filter, 12, cooling water pond
Pipe, the 13, first pressure fan, 14, rack, 15, control module.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
Referring to Fig. 1-2: a kind of refrigeration system for data center computer room, including heat-extraction system, chilled water system and cold supply system,
Heat-extraction system includes cooling tower 1 and the first cooling water pump 2, and chilled water system includes water cooler, water cooler include condenser 3,
Evaporator 4 and the second cooling water pump 5, water cooler include condenser 3, evaporator 4, expansion valve, compressor and motor, condenser
3, evaporator 4, expansion valve and compressor are connected by cooling tube, and compressor and motor are electrically connected, and cold supply system includes data
Computer room 6 and outdoor air compensation device 7, outdoor air compensation device 7 are mounted on 6 computer room outer wall of data center computer room, and setting is free in data center computer room 6
Adjust device 10, rack 14, filter 11, the first pressure fan 13, cold air duct 9, cooling water coil 12 and control module 15, filter
11 are mounted on the top of air conditioner, and cooling water coil 12 is mounted on the inner cavity of air conditioner 10, and the first pressure fan 13 is arranged in air-conditioning
The bottom of device 10, and the air outlet of pressure fan 13 is connected to cold air duct 9 casees, the side wall of cold air duct 9 against rack 14 is provided with
The inner cavity right side of air outlet, outdoor air compensation device 7 is provided with the second pressure fan 8, and the air outlet and modem of the second pressure fan 8
Room 6 is connected, and the left side of outdoor air compensation device 7 and the junction of data center computer room 6 are provided with wind-supplying mouth, is equipped in wind-supplying mouth dust-proof
Net；
A kind of application method of the refrigeration system for data center computer room, includes the following steps,
Step A, the first cooling water pump 2 that control module 15 first controls in heat-extraction system extract cooling water out from cooling tower 1, by
Cooling pipe is pumped into chilled water system；
Water is passed to the cooling water pond in data center computer room 6 in air conditioner 10 by step B, chilled water system by cooling water pipe after cooling
Pipe 12 carries out heat exchange, and air after cooling is blown into cold air duct 9 by the first pressure fan 13；
Step C, the cold wind in cold air duct 9 are blown into data center computer room 6 by cold air outlet, are cooled down to rack 14；
Step D, simultaneously with step C, the wind-supplying mouth of the outer air compensation device 7 of 15 control room of control module and 6 junction of data center computer room into
Row mends wind, and the second pressure fan 8 blows to data center computer room 6, promotes the air flowing of data center computer room 6, and hot wind is sent to mistake
After filter 11 purifies, heat exchange is carried out by cooling water coil 12；
Step E, the cooling water in cooling water coil 12 after carrying out heat exchange are taken out by the second cooling water pump 5 in chilled water system
Enter water cooler, and is reached by cooling water pipe and carry out heat extraction in cooling tower 1.
Preferably, in stepb, refrigerant with low-temp low-pressure superheat state enters compressor in water cooler, after compression
As high temperature and pressure superheat state refrigerant, after high temperature and pressure superheat state refrigerant enters condenser 3, heat is transmitted to cooling water and is coagulated
Form high pressure medium temperature liquid refrigerants, the expanded valve of high pressure medium temperature liquid refrigerants becomes low-pressure low-temperature liquid gas admixture refrigerant, low
After warm low pressure liquid gas admixture refrigerant enters evaporator 4, heat exchange is carried out with chilled water, chilled water is cooled here, and
Refrigerant is then evaporated because absorbing heat, is entered compressor later with low-temp low-pressure superheated vapor state and is carried out circulating cooling, described
Chilled water return water temperature is 10-15 DEG C, and after doing heat exchange into freezer unit and refrigerant, leaving water temperature is 5-8 DEG C, the cooling water
Inflow temperature is 25-32 DEG C, and after doing heat exchange into condenser and refrigerant, leaving water temperature is 33-37 DEG C
To sum up, in the use of the present invention, control module 15 first controls the first cooling water pump 2 in heat-extraction system from cooling tower 1
Cooling water is extracted out, chilled water system is pumped by cooling pipe, chilled water system will pass to data by cooling water pipe after water cooling
Cooling water coil 12 in computer room 6 in air conditioner 10 carries out heat exchange, and air after cooling is blown into cold wind by the first pressure fan 13
In channel 9, the cold wind in cold air duct 9 is blown into data center computer room 6 by cold air outlet, is cooled down to rack 14, control module 15
The outer air compensation device 7 of control room and the wind-supplying mouth of 6 junction of data center computer room carry out benefit wind, and the second pressure fan 8 carries out data center computer room 6
Air-supply promotes the air flowing of data center computer room 6, and hot wind is sent to the purification of filter 11, carries out heat by cooling water coil 12
Exchange, the cooling water in cooling water coil 12 after carrying out heat exchange are pumped into cold water by the second cooling water pump 5 in chilled water system
Unit, and reached by cooling water pipe and carry out heat extraction in cooling tower 1, it solves in thermal and humidity environment because cannot evaporate well cold
But, it is easy to cause appearance refrigeration in operational process insufficient, water side can not be combined well cooling and air side cooling, high energy
The problem of consuming, be weak by surrounding environment influence, adaptability, high humidity environment can not be adapted to.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to the foregoing embodiments
Invention is explained in detail, those skilled in the art should understand that: it still can be to aforementioned each implementation
Technical solution documented by example is modified or equivalent replacement of some of the technical features；And these modification or
Replacement, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (8)
1. a kind of refrigeration system for data center computer room, including heat-extraction system, chilled water system and cold supply system, it is characterised in that:
The heat-extraction system includes cooling tower (1) and the first cooling water pump (2), and the chilled water system includes water cooler, the cold water
Unit includes condenser (3), evaporator (4) and the second cooling water pump (5), and the cold supply system includes data center computer room (6) and room
Outer air compensation device (7), the outdoor air compensation device (7) are mounted on data center computer room (6) computer room outer wall.
2. a kind of refrigeration system for data center computer room according to claim 1, it is characterised in that: the data center computer room
(6) air conditioner (10), rack (14), filter (11), the first pressure fan (13), cold air duct (9), cooling water pond are provided in
(12) and control module (15) are managed, the filter (11) is mounted on the top of air conditioner, cooling water coil (12) installation
In the inner cavity of air conditioner (10), the first pressure fan (13) setting is in the bottom of air conditioner (10), and pressure fan (13) are sent
Air port is connected to cold air duct (9) case, and the side wall of the cold air duct (9) against rack (14) is provided with air outlet.
3. a kind of refrigeration system for data center computer room according to claim 1, it is characterised in that: the outdoor benefit wind dress
It sets and is provided with the second pressure fan (8) on the right side of the inner cavity of (7), and the air outlet of the second pressure fan (8) is connected with data center computer room (6)
Logical, the left side of the outdoor air compensation device (7) and the junction of data center computer room (6) are provided with wind-supplying mouth.
4. a kind of refrigeration system for data center computer room according to claim 1, it is characterised in that: the water cooler packet
Include condenser (3), evaporator (4), expansion valve, compressor and motor, the condenser (3), evaporator (4), expansion valve and pressure
Contracting machine is connected by cooling tube, and the compressor and motor are electrically connected.
5. a kind of application method of refrigeration system for data center computer room according to claim 3, it is characterised in that: described
Air Filter is installed in wind-supplying mouth.
6. a kind of application method of refrigeration system for data center computer room according to claim 1, it is characterised in that: step
(A), the first cooling water pump (2) that the control module (15) first controls in heat-extraction system takes out cooling water from cooling tower (1)
Out, chilled water system is pumped by cooling pipe；
Step (B), the chilled water system will be passed in data center computer room (6) in air conditioner (10) after water cooling by cooling water pipe
Cooling water coil (12) carry out heat exchange, air after cooling is blown into cold air duct (9) by the first pressure fan (13)；
Step (C), the cold wind in the cold air duct (9) are blown into data center computer room (6) by cold air outlet, are dropped to rack (14)
Temperature；
Step (D), simultaneously with step (C), the outer air compensation device (7) of control module (15) control room and data center computer room (6) junction
Wind-supplying mouth carry out benefit wind, the second pressure fan (8) blows to data center computer room (6), promote data center computer room (6) air stream
It is dynamic, and hot wind is sent to filter (11) purification, heat exchange is carried out by cooling water coil (12)；
Step (E), the cooling water in cooling water coil (12) after carrying out heat exchange is by the second cooling water pump in chilled water system
(5) it is pumped into water cooler, and is reached by cooling water pipe and carries out heat extraction in cooling tower (1).
7. a kind of application method of refrigeration system for data center computer room according to claim 6, it is characterised in that: in step
Suddenly in (B), refrigerant enters compressor with low-temp low-pressure superheat state in the water cooler, becomes high temperature and pressure mistake after compression
Heat is transmitted to cooling water and condenses into high pressure medium temperature by Warm status refrigerant after high temperature and pressure superheat state refrigerant enters condenser (3)
Liquid refrigerants, the expanded valve of high pressure medium temperature liquid refrigerants become low-pressure low-temperature liquid gas admixture refrigerant, and low-temp low-pressure liquid gas is mixed
After conjunction state refrigerant enters evaporator (4), heat exchange is carried out with chilled water, chilled water is cooled here, and refrigerant is then because inhaling
It receives heat and evaporates, compressor is entered with low-temp low-pressure superheated vapor state later and carries out circulating cooling.
8. a kind of application method of refrigeration system for data center computer room according to claim 7, it is characterised in that: described
Chilled water return water temperature is 10-15 DEG C, and after doing heat exchange into freezer unit and refrigerant, leaving water temperature is 5-8 DEG C, the cooling water
Inflow temperature is 25-32 DEG C, and after doing heat exchange into condenser and refrigerant, leaving water temperature is 33-37 DEG C.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910432397.4A CN110198616A (en) | 2019-05-23 | 2019-05-23 | A kind of refrigeration system and its application method for data center computer room |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910432397.4A CN110198616A (en) | 2019-05-23 | 2019-05-23 | A kind of refrigeration system and its application method for data center computer room |
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| CN110198616A true CN110198616A (en) | 2019-09-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116033725A (en) * | 2023-03-27 | 2023-04-28 | 四川弘智远大科技有限公司 | Control device, system and method for liquid cooling system of data machine room |
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Application publication date: 20190903 |