CN206803562U - A kind of anti-condensation refrigeration system of data center - Google Patents
A kind of anti-condensation refrigeration system of data center Download PDFInfo
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- CN206803562U CN206803562U CN201720630909.4U CN201720630909U CN206803562U CN 206803562 U CN206803562 U CN 206803562U CN 201720630909 U CN201720630909 U CN 201720630909U CN 206803562 U CN206803562 U CN 206803562U
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- evaporator
- data center
- expansion valve
- refrigeration system
- flow path
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Abstract
A kind of anti-condensation refrigeration system of data center, it is related to Refrigeration ＆ Air-Conditioning field, including being sequentially connected from beginning to end to form the compressor of circulation loop, outdoor condenser, first electric expansion valve, first evaporator and gas-liquid separator, with first electric expansion valve, refrigerant flow where first evaporator is first flow path, the anti-condensation refrigeration system of data center also includes the second electric expansion valve, second evaporator is sequentially connected the second flow path of composition, the first flow path is arranged in parallel with second flow path, a dehumidifying bypass solenoid valve has been arranged in parallel at second electric expansion valve of the second flow path.The utility model solves the problems, such as data center's condensation, ensures that air-out is more than the dew-point temperature of air, prevents condensation in computer room, add the competitiveness of product in market and the reliability of data center.
Description
Technical field
It the utility model is related to Refrigeration ＆ Air-Conditioning field, and in particular to a kind of anti-condensation refrigeration system of data center.
Background technology
With the rapid development of electronic information industry, the development of data center also enters a new stage.In data
Air conditioning energy consumption is that air conditioner in machine room is then to be directed to modern electronic equipment computer room an important factor for influenceing consumption of data center in the heart
The special air conditioner of design, its operating accuracy and reliability will be more much higher than common air-conditioning.In air conditioner in machine room, dehumidification process
When being that air passes through evaporator surface, because temperature is less than the dew point of vapor, dew condensation phenomenon occurs in air, so as to reduce
Humidity in air；Humidification is when humidity is less than setting value in computer room, opens humidifier and is humidified, and ensures that humidity exists
In setting range.When cold and hot channel separation in computer room, in dehumidification process, air leaving air temp is too low, there is condensation in computer room
Risk, influence the security of electronic equipment.
Chinese patent 2013102103614 discloses a kind of anti-condensation method and device of refrigeration plant, according to working as front ring
Border temperature and humidity, calculate current solidifying dew-point temperature；According to the current solidifying dew-point temperature, condensation wind is determined whether
Danger, if there is condensation risk, carries out anti-condensation processing.Chinese patent 201510275474.1 discloses a kind of for refrigeration plant
Condensation prevention control method and refrigeration plant, including：Computing module, judge module and the processing module being sequentially connected.This practicality is new
Whether type can need anti-condensation processing really according to actual conditions, and above-mentioned two patent merely discloses solidifying dew-point temperature side
Method is still directed to the how more preferable more effective solution of condensation, can not but realize.
Utility model content
It is too low for air leaving air temp in dehumidification process, there is the risk of condensation in computer room, influence the safety of electronic equipment
Property the problem of, the utility model provides a kind of anti-condensation refrigeration system of data center, can avoid the generation of above mentioned problem.
The technical scheme in the invention for solving the technical problem is：
A kind of anti-condensation refrigeration system of data center, including be sequentially connected from beginning to end to form the compressor of circulation loop, room
External condenser, the first electric expansion valve, the first evaporator and gas-liquid separator, with first electric expansion valve, the first evaporation
Refrigerant flow where device is first flow path, and the anti-condensation refrigeration system of data center also includes the second electric expansion valve, the
Two evaporators are sequentially connected the second flow path of composition, and the first flow path is arranged in parallel with second flow path, the second flow path
A dehumidifying bypass solenoid valve has been arranged in parallel at second electric expansion valve.
Further, humidity sensor is also included, when the humidity of the humidity sensor detection is more than predetermined threshold value, the
First electric expansion valve of one evaporator front end is opened, and the second electric expansion valve of the second evaporator front end is closed, dehumidifying bypass
Magnetic valve is opened；When the humidity of the humidity sensor detection is less than predetermined threshold value, the first electronics of the first evaporator front end is swollen
Swollen valve is opened, and the second electric expansion valve of the second evaporator front end is opened, and dehumidifying bypass solenoid valve is closed.
Further, the outdoor condenser is arranged in parallel shape with first flow path, second flow path along refrigerant flow direction
Into first and tie-point between be provided with subcooler.
Further, subcooler connection gas-liquid separator, the first evaporator or the second evaporator will be come from
The refrigerant liquid from outdoor condenser is further subcooled as low-temperature receiver in the evaporation of refrigerant fluid.
Further, it is provided with reservoir between the outdoor condenser and subcooler.
Further, it is provided with oil eliminator between the outdoor condenser and compressor.
Further, it is provided with liquid pipe stop valve between the subcooler and described first and tie-point.
Further, tracheae stop valve is provided between the gas-liquid separator and the first evaporator；The gas-liquid separation
Tracheae stop valve is provided between device and the second evaporator.
The beneficial effects of the utility model are：
1st, the utility model solves the problems, such as data center's condensation, ensures that air-out is more than the dew-point temperature of air, prevents
Condensation in computer room, add the competitiveness of product in market and the reliability of data center.
2nd, the setting of humidity sensor causes control to realize automation, reduces cost of labor, efficiency high.
3rd, subcooler increases degree of supercooling of the refrigerant before throttling into the first evaporator, and it is laggard to reduce throttling
Enter the mass dryness fraction of evaporator, and then identical evaporating temperature can be realized in higher evaporating pressure, reduce the pressure ratio of compressor, reach
The purpose of lifting system efficiency.
4th, electric expansion valve can be replaced injector, the expansion work of throttling process fully be reclaimed, so as to improve compressor
Pressure of inspiration(Pi), and then reduce circulation in compressor power consumption, also improve the displacement of compressor, effectively improve
The performance of the circulatory system.
5th, subcooler connection gas-liquid separator, will come from the refrigerant fluid of the first evaporator or the second evaporator
The refrigerant liquid from outdoor condenser is further subcooled as low-temperature receiver in evaporation, increases the degree of supercooling before its throttling, reduces
Mass dryness fraction after throttling.
6th, reservoir plays a part of storage, gas-liquid separation, filtering, noise reduction and refrigerant buffering, prevents liquid refrigerant
Flow into compressor and produce the guard block of liquid hammer.
7th, the lubricating oil in the high steam that oil eliminator discharges compressor is separated, to ensure that equipment safety is efficient
Ground is run, and according to reducing air velocity and changing point oily principle of airflow direction, makes the elaioleucite in high steam in Action of Gravity Field
Under separated.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
In figure：1 compressor, 2 oil eliminators, condenser, 4 reservoirs, 5 subcoolers, 6 liquid pipe stop valves, 7 outside Room 3
One electric expansion valve, 8 first evaporators, 9 second evaporators, 10 tracheae stop valves, 11 gas-liquid separators, 12 dehumidifying bypass electromagnetism
Valve, 13 second electric expansion valves.
Embodiment
It is sequentially connected as shown in figure 1, a kind of anti-condensation refrigeration system of data center includes head and the tail to form circulation loop
Compressor 1, outdoor condenser 3, the first electric expansion valve 7, the first evaporator 8 and gas-liquid separator 11.With first electronics
Refrigerant flow where expansion valve 7, the first evaporator 8 be first flow path, the anti-condensation refrigeration system of the data center also including with
First flow path it is in parallel with the second flow path where the second electric expansion valve 13, the second evaporator 9.Wherein, the first evaporator with
Second evaporator is correspondingly arranged, and wind is blown out after the entrance of the first evaporator from the second evaporator.
In order to strengthen its anti-condensation effect, a dehumidifying has been arranged in parallel at the second electric expansion valve 13 of the second flow path
Bypass solenoid valve 12, in the case of normal cooling condition, the electric expansion valve of the first evaporator and the second evaporator front end is opened
Open, the high-temperature high-pressure refrigerant from outdoor condenser 3 is changed into the state of low-temp low-pressure after electric expansion valve, is steamed entering
Carburation by evaporation absorbs the heat that computer room inner electronic equipment distributes after hair device, and temperature is in setting range in holding computer room.Especially work as
When remove wet cooling condition, leaving air temp caused by prevent conventional dehumidification mode is too low and computer room in condensation risk, first steams
The first electric expansion valve for sending out the front end of device 8 is opened, and the second electric expansion valve of the front end of the second evaporator 9 is closed, dehumidifying bypass electricity
Magnet valve 12 is opened, and the high-temperature high-pressure refrigerant from outdoor condenser is all the way after the electric expansion valve decrease temperature and pressure of first flow path
Into the first evaporator, to air intake dehumidification cooling, another way enters the second evaporation of second flow path by the bypass magnetic valve that dehumidifies
Device, the air intake heat temperature raising finished to dehumidification cooling, to ensure that air-out is more than the dew-point temperature of air, prevent condensation in computer room.
Further, the anti-condensation refrigeration system of the data center also includes humidity sensor, the humidity sensor
When the humidity of detection is more than predetermined threshold value, for example the predetermined threshold value is 80%RH or other any suitable humidity values, and first steams
The first electric expansion valve for sending out the front end of device 8 is opened, and the second electric expansion valve of the front end of the second evaporator 9 is closed, dehumidifying bypass electricity
Magnet valve 12 is opened；When the humidity of the humidity sensor detection is less than predetermined threshold value, the first electronics of the front end of the first evaporator 8 is swollen
Swollen valve is opened, and the second electric expansion valve of the front end of the second evaporator 9 is opened, and dehumidifying bypass solenoid valve 12 is closed.
In addition, outdoor condenser and first flow path, second flow path be arranged in parallel along refrigerant flow direction to be formed the
Subcooler 5 is provided between tie-point in the lump, subcooler 5 increases the refrigerant into the first evaporator before throttling
Degree of supercooling, enter the mass dryness fraction of evaporator after reducing throttling, and then identical evaporating temperature can be realized in higher evaporating pressure,
The pressure ratio of compressor is reduced, has reached the purpose of lifting system efficiency.
A kind of optimization design, first electric expansion valve and the second electric expansion valve can be replaced injector, fully return
The expansion work of throttling process is received, so as to improve the pressure of inspiration(Pi) of compressor, and then the power for reducing compressor in circulation disappears
Consumption, the displacement of compressor is also improved, effectively improve the performance of the circulatory system.
And the subcooler connection gas-liquid separator 11, the refrigerant of the first evaporator or the second evaporator will be come from
The refrigerant liquid from outdoor condenser is further subcooled as low-temperature receiver in the evaporation of fluid, increases the supercooling before its throttling
Degree, reduce the mass dryness fraction after throttling.
Further, reservoir 4 is provided between the outdoor condenser and subcooler 5, plays storage, gas-liquid point
From, filtering, noise reduction and refrigerant buffering effect, prevent liquid refrigerant flow into compressor and produce the guard block of liquid hammer.
It is noted that oil eliminator 2 is provided between outdoor condenser and compressor, the height that compressor is discharged
Lubricating oil in pressure steam is separated, and to ensure that equipment safety is efficiently run, according to reduction air velocity and changes air-flow
Point oily principle in direction, makes the elaioleucite in high steam be separated under gravity.
Further, it is provided with liquid pipe stop valve 6 between the subcooler and first and tie-point.
Further, tracheae stop valve 10 is provided between the gas-liquid separator and the first evaporator；The gas-liquid point
From being provided with tracheae stop valve 10 between device and the second evaporator.
Low-temp low-pressure gaseous refrigerant in first evaporator or the second evaporator is sucked compression by working method, compressor
In machine, enter outdoor condenser, in outdoor condenser, HTHP by the gaseous state superheated refrigerant of compressor HTHP
Refrigerant vapour is condensed into cryogenic high pressure liquid；Subcooler 5 is provided with system, when the liquid refrigerant of main road supercooling is through electricity
Sub- expansion valve 7 is changed into low-temp low-pressure liquid-vapor mixture；Electric expansion valve is connected with evaporator, is respectively arranged at evaporator front end,
Refrigerant enters evaporator and vaporizes and largely absorb heat, and so as to reduce heat caused by data center apparatus, carrys out the system of flash-pot
Cryogen, which enters after gas-liquid separator carries out gas-liquid separation, returns to compressor, with this reciprocation cycle；When remove wet cooling condition, first
The front end electronics expansion valve of evaporator 8 is opened, and the electric expansion valve of the front end of the second evaporator 9 is closed, and dehumidifying bypass solenoid valve 12 is opened
Open, the high-temperature high-pressure refrigerant from outdoor condenser enters first after the electric expansion valve decrease temperature and pressure of first flow path all the way
Evaporator, to air intake dehumidification cooling, another way enters the second evaporator of second flow path by the bypass magnetic valve that dehumidifies, to dehumidifying
Cool down the air intake heat temperature raising finished.
It is the known technology of those skilled in the art in addition to the technical characteristic described in specification.
Claims (8)
1. a kind of anti-condensation refrigeration system of data center, including be sequentially connected from beginning to end to form the compressor of circulation loop, outdoor
Condenser, the first electric expansion valve, the first evaporator and gas-liquid separator, it is characterized in that, with first electric expansion valve,
Refrigerant flow where one evaporator is first flow path, and the anti-condensation refrigeration system of data center also includes the second electronic expansion
Valve, the second evaporator are sequentially connected the second flow path of composition, and the first flow path is arranged in parallel with second flow path, the second
A dehumidifying bypass solenoid valve has been arranged in parallel at second electric expansion valve on road.
2. the anti-condensation refrigeration system of a kind of data center according to claim 1, it is characterized in that, also include humidity sensor
Device, when the humidity of the humidity sensor detection is more than predetermined threshold value, the first electric expansion valve of the first evaporator front end is opened,
Second electric expansion valve of the second evaporator front end is closed, and dehumidifying bypass solenoid valve is opened；The humidity sensor detects wet
When degree is less than predetermined threshold value, the first electric expansion valve of the first evaporator front end is opened, the second electronics of the second evaporator front end
Expansion valve is opened, and dehumidifying bypass solenoid valve is closed.
3. the anti-condensation refrigeration system of a kind of data center according to claim 2, it is characterized in that, the outdoor condenser with
First flow path, second flow path are arranged in parallel to be formed first along refrigerant flow direction and are provided with supercooling between tie-point
Device.
4. the anti-condensation refrigeration system of a kind of data center according to claim 3, it is characterized in that, the subcooler connection
Gas-liquid separator, the evaporation of refrigerant fluid of the first evaporator or the second evaporator will be come from as the further mistake of low-temperature receiver
The cold refrigerant liquid from outdoor condenser.
5. the anti-condensation refrigeration system of a kind of data center according to claim 3, it is characterized in that, the outdoor condenser with
Reservoir is provided between subcooler.
6. the anti-condensation refrigeration system of a kind of data center according to claim 5, it is characterized in that, the outdoor condenser with
Oil eliminator is provided between compressor.
7. the anti-condensation refrigeration system of a kind of data center according to claim 6, it is characterized in that, the subcooler and institute
State and liquid pipe stop valve is provided between first and tie-point.
8. the anti-condensation refrigeration system of a kind of data center according to claim 6, it is characterized in that, the gas-liquid separator with
Tracheae stop valve is provided between first evaporator；Tracheae cut-off is provided between the gas-liquid separator and the second evaporator
Valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720630909.4U CN206803562U (en) | 2017-05-31 | 2017-05-31 | A kind of anti-condensation refrigeration system of data center |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720630909.4U CN206803562U (en) | 2017-05-31 | 2017-05-31 | A kind of anti-condensation refrigeration system of data center |
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| Publication Number | Publication Date |
|---|---|
| CN206803562U true CN206803562U (en) | 2017-12-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720630909.4U Expired - Fee Related CN206803562U (en) | 2017-05-31 | 2017-05-31 | A kind of anti-condensation refrigeration system of data center |
Country Status (1)
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| CN (1) | CN206803562U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107024041A (en) * | 2017-05-31 | 2017-08-08 | 郑州云海信息技术有限公司 | A kind of anti-condensation refrigeration system of data center |
| CN109520096A (en) * | 2018-11-15 | 2019-03-26 | 珠海格力电器股份有限公司 | Equipment and its condensation-preventing device, method |
-
2017
- 2017-05-31 CN CN201720630909.4U patent/CN206803562U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107024041A (en) * | 2017-05-31 | 2017-08-08 | 郑州云海信息技术有限公司 | A kind of anti-condensation refrigeration system of data center |
| CN109520096A (en) * | 2018-11-15 | 2019-03-26 | 珠海格力电器股份有限公司 | Equipment and its condensation-preventing device, method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171226 Termination date: 20180531 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |