CN203893342U - Evaporative cooling-direct expansion air conditioning device suitable for data center - Google Patents
Evaporative cooling-direct expansion air conditioning device suitable for data center Download PDFInfo
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- CN203893342U CN203893342U CN201420283517.1U CN201420283517U CN203893342U CN 203893342 U CN203893342 U CN 203893342U CN 201420283517 U CN201420283517 U CN 201420283517U CN 203893342 U CN203893342 U CN 203893342U
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Abstract
The utility model discloses an evaporative cooling-direct expansion air conditioning device suitable for a data center. The evaporative cooling-direct expansion air conditioning device comprises a unit shell. The two opposite side walls of the unit shell are respectively provided with a fresh air inlet and a return air inlet, a direct expansion type air cooler is arranged in the middle of the inside of the unit shell, and a first combined type evaporative cooler and a second combined type evaporative cooler are arranged on the left side and the right side of the direct expansion type air cooler respectively. A circulation water tank is arranged on the lower portion of the first combined type evaporative cooler, the lower portion of the second combined type evaporative cooler and the lower portion of the direct expansion type air cooler. By the adoption of the air conditioning device, stable cooling operation can be achieved throughout the year, the high cleanliness requirement of the data center can be met, and the energy-saving purpose can be further achieved.
Description
Technical field
The utility model belongs to air conditioner technical field, is specifically related to a kind of aircondition that is applicable to data center being comprised of dew point formula indirect evaporation cooler, tube type indirect evaporative cooler, direct expansion type aerial cooler.
Background technology
At present, along with the develop rapidly of electronic information industry, the development of data center also enters into a brand-new stage.Instruction > > according to the < < of the Ministry of Industry and Information Technology associating national development and the reform committee, Ministry of Land and Resources, State Electricity Regulatory Commission, National Energy Board's issue about Constructing data center layout, data center will be towards the future development of ultra-large type and resource-conserving.In data center, air conditioning energy consumption is the key factor that affects data center's energy consumption, and the power-saving technology of air-conditioning system will directly affect the PUE value of data center.
Evaporation cooling technique is a kind of technology of utilizing dry air to produce cold wind or cold water, and this technology is applied in need to, be used in conjunction with artificial cold source in the data machine room air-conditioning system of cold meanwhile the whole year, has huge energy-saving potential.
Utility model content
The purpose of this utility model is to provide a kind of evaporative cooling-direct expansion aircondition that is applicable to data center, can not only realize the annual stable cold operation that supplies, and meets data center's high-cleanness, high requirement, and can further reach energy-conservation object.
The technical scheme that the utility model adopts is, be applicable to evaporative cooling-direct expansion aircondition of data center, include machine unit shell, machine unit shell is provided with new wind air inlet, return air air inlet on relative two side, and return air air inlet is arranged at the top of new wind air inlet; In the middle of in machine unit shell, be provided with direct expansion type aerial cooler, the arranged on left and right sides of direct expansion type aerial cooler is respectively arranged with the first combined type devaporizer, the second combined type devaporizer, and the bottom of the first combined type devaporizer, the second combined type devaporizer and direct expansion type aerial cooler is provided with cyclic water tank.
Feature of the present utility model is also,
In new wind air inlet and return air air inlet, be provided with air-valve.
On the machine unit shell roof of the first combined type devaporizer top correspondence, be provided with first row air port; On the machine unit shell roof of the second combined type devaporizer top correspondence, be provided with second row air port.
In first row air port and second row air port, be provided with exhaust valve.
The first combined type devaporizer, include the first dew point indirect evaporative cooling core body that is arranged at cyclic water tank top, the top of the first dew point indirect evaporative cooling core body is disposed with the first set of heat exchange tubes, the first water-locator, the first water fender, the first condenser and first row blower fan;
The second combined type devaporizer, include the second dew point indirect evaporative cooling core body that is arranged at cyclic water tank top, the top of the second dew point indirect evaporative cooling core body is disposed with the second set of heat exchange tubes, the second water-locator, the second water fender, the second condenser and second row blower fan;
Direct expansion type aerial cooler, include the compressor that is arranged at cyclic water tank top, the top of compressor is disposed with evaporimeter, the top of evaporimeter has been arranged side by side expansion valve and pressure fan, the arranged on left and right sides of expansion valve and pressure fan is provided with dividing plate, the bottom of expansion valve and pressure fan is provided with gripper shoe, on machine unit shell sidewall corresponding to pressure fan, is provided with air outlet;
Between the first combined type devaporizer, the second combined type devaporizer and direct expansion type aerial cooler, by pipe network, connect.
The first dew point indirect evaporative cooling core body and the second dew point indirect evaporative cooling core body are cross flow dew point indirect evaporative cooling core body.
The first set of heat exchange tubes and the second set of heat exchange tubes form by many horizontally disposed circular heat exchanger tubes.
Pipe network structure between the first combined type devaporizer, the second combined type devaporizer and direct expansion type aerial cooler is:
Compressor in direct expansion type aerial cooler is connected with the water inlet of the first condenser by the first water pipe, the delivery port of the first condenser is connected with the water inlet of the second condenser by the second water pipe, the delivery port of the second condenser is connected with the water inlet of evaporimeter by the 3rd feed pipe, the delivery port of evaporimeter is connected with compressor, forms closed-loop path;
Cyclic water tank is connected with the first water-locator, the second water-locator respectively by feed pipe.
In cyclic water tank, be provided with water filter.
On feed pipe, be provided with water circulating pump.
The beneficial effects of the utility model are:
1) aircondition of the present utility model, adopt the indirect evaporation cooler of two types to combine with direct-expansion-type aerial cooler, direct-expansion-type aerial cooler is placed in to machine unit shell central interior, structure in whole unit is and is symmetrical set, increase refrigerating capacity and the air output of air, can meet data center's year round cooling demand.
2) in aircondition of the present utility model, adopting the indirect evaporation cooler of two types, is respectively dew point formula indirect evaporation cooler and tube type indirect evaporative cooler; By dew point formula indirect evaporation cooler, first carry out precooling, again by tube type indirect evaporative cooler cooling work air, afterwards, control air is sent into data center through condenser discharge, output air through evaporimeter, dew point formula indirect evaporation cooler and tube type indirect evaporative cooler share the water distribution system of a set of communication loop water tank, realize the balance of air output.
3) aircondition of the present utility model adopts full return air operational mode, all-fresh air, the full return air of output air for control air, full return air can effectively prevent dewfall phenomenon in winter, met data center's high-cleanness, high requirement, and according to outdoor weather condition, there are three kinds of operational modes, realized annual stable operation.
Accompanying drawing explanation
Fig. 1 is the structural representation that the utility model is applicable to evaporative cooling-direct expansion aircondition of data center.
In figure, 1. new wind air inlet, 2. return air air inlet, 3. the first water-locator, 4. the first water fender, 5. the first condenser, 6. first row blower fan, 7. first row air port, 8. the first dew point indirect evaporative cooling core body, 9. the first set of heat exchange tubes, 10. compressor, 11. evaporimeters, 12. water filters, 13. cyclic water tanks, 14. water circulating pumps, 15. expansion valves, 16. air outlets, 17. pressure fans, 18. second row air ports, 19. second dew point indirect evaporative cooling core bodies, 20. second set of heat exchange tubes, 21. second water-locators, 22. second water fenders, 23. second condensers, 24. second row blower fans, 25. feed pipes.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is elaborated.
Aircondition of the present utility model, its structure as shown in Figure 1, includes machine unit shell, and machine unit shell is provided with new wind air inlet 1, return air air inlet 2 on relative two side, and return air air inlet 2 is arranged at the top of new wind air inlet 1; In machine unit shell, be provided with direct expansion type aerial cooler, the arranged on left and right sides of direct expansion type aerial cooler is respectively arranged with the first combined type devaporizer, the second combined type devaporizer, and the bottom of the first combined type devaporizer, the second combined type devaporizer and direct expansion type aerial cooler is provided with cyclic water tank 13.
In new wind air inlet 1 and return air air inlet 2, be provided with air-valve.
On the machine unit shell roof of the first combined type devaporizer top correspondence, be provided with first row air port 7; On the machine unit shell roof of the second combined type devaporizer top correspondence, be provided with second row air port 18; In first row air port 7 and second row air port 18, be provided with exhaust valve.
The first combined type devaporizer, its structure as shown in Figure 1, the top that includes the first dew point indirect evaporative cooling core body 8, the first dew point indirect evaporative cooling core bodies 8 that are arranged at cyclic water tank 13 tops is disposed with the first set of heat exchange tubes 9, the first water-locator 3, the first water fender 4, the first condenser 5 and first row blower fan 6.
The second combined type devaporizer, its structure as shown in Figure 1, the top that includes the two the first dew point indirect evaporative cooling core body 19, the second dew point indirect evaporative cooling core bodies 19 that are arranged at cyclic water tank 13 tops is disposed with the second set of heat exchange tubes 20, the second water-locator 21, the second water fender 22, the second condenser 23 and second row blower fan 24.
The first dew point indirect evaporative cooling core body 8 and the second dew point indirect evaporative cooling core body 19 are cross flow dew point indirect evaporative cooling core body; Staggered form dew point indirect evaporative cooling core body comprises vertical dry wet channel, on dry passage, with wind approach axis, be provided with from top to bottom a line through hole along diagonal, makes air enter wet channel.
The first set of heat exchange tubes 9 and the second set of heat exchange tubes 20 form by many horizontally disposed circular heat exchanger tubes.
In cyclic water tank 13, be provided with water filter 12, cyclic water tank 13 is connected with the first water-locator 3, the second water-locator 21 respectively by feed pipe 25, is provided with water circulating pump 14 on feed pipe 25.
Direct expansion type aerial cooler, its structure as shown in Figure 1, include the compressor 10 that is arranged at cyclic water tank 13 tops, the top of compressor 10 is disposed with evaporimeter 11, the top of evaporimeter 11 has been arranged side by side expansion valve 15 and pressure fan 17, the left and right sides of expansion valve 15 and pressure fan 17 is provided with dividing plate, and the bottom of expansion valve 15 and pressure fan 17 is provided with gripper shoe, on the machine unit shell sidewall of pressure fan 17 correspondences, is provided with air outlet 16.Wherein the left and right sides of expansion valve 15 and pressure fan 17 arranges dividing plate, and object is to make to send, air draft is kept apart, and the gripper shoe of expansion valve 15 and pressure fan 17 bottoms is used for propping up pressure fan 17.
Compressor 10 in direct expansion type aerial cooler is connected with the water inlet of the first condenser 5 in the first combined type devaporizer by the first water pipe, the delivery port of the first condenser 5 is connected with the water inlet of the second condenser 23 in the second combined type devaporizer by the second water pipe, the delivery port of the second condenser 23 is connected with the water inlet of evaporimeter 11 in direct expansion type aerial cooler by the 3rd feed pipe, the delivery port of evaporimeter 11 is connected with compressor 10, forms closed-loop path.
The utility model aircondition wind system course of work is as follows:
(1) under the outdoor weather condition below 0 ℃, close water circulating pump 14, direct expansion type aerial cooler does not move, and the first water-locator 3 and the second water-locator 21 be shower water not, is heat recovery mode:
Outdoor cold air enters in machine unit shell through the new wind air inlet 1 on machine unit shell two side respectively, respectively after the first combined type devaporizer, the second combined type devaporizer, by first row blower fan 6, through first row air port 7, drained into outdoorly, by second row blower fan 24, through second row air port 18, drain into outdoor;
The indoor return air respectively return air air inlet 2 on machine unit shell two side enters in machine unit shell, flow to respectively the first set of heat exchange tubes 9 and the second set of heat exchange tubes 20 places, after converging, by pressure fan 17, through air outlet 16, sent in machine room, prevented the phenomenon of freezed in winter.
(2) if outdoor dry-bulb temperature is low not, indoor return air can not be cooled to design temperature, ON cycle water pump 14, and direct expansion type aerial cooler does not move, and is evaporative cooling pattern:
Outdoor cold air enters in machine unit shell through the new wind air inlet 1 on machine unit shell two side respectively, through the first dew point indirect evaporative cooling core body 8, the second dew point indirect evaporative cooling core body 19, be cooled to and approach dew-point temperature respectively, cross with the return air at the first set of heat exchange tubes 9, the second set of heat exchange tubes 20 places respectively again, now only there is heat exchange matter exchange does not occur, by first row blower fan 6, through first row air port 7, drained into afterwards outdoorly, by second row blower fan 24, through second row air port 18, drain into outdoor;
The indoor return air respectively return air air inlet 2 on machine unit shell two side enters in machine unit shell, flows to respectively the first set of heat exchange tubes 9, the second set of heat exchange tubes 20 places and carries out etc. but clammyly, then is sent in machine room through air outlet 16 by pressure fan 17.
(3) when outdoor during in hot and humid environment, ON cycle water pump 14, the operation of direct expansion type aerial cooler, i.e. cooperation pattern:
Outdoor cold air enters in machine unit shell through the new wind air inlet 1 on machine unit shell two side respectively, through the first dew point indirect evaporative cooling core body 8, the second dew point indirect evaporative cooling core body 19 is cooled to and approaches dew-point temperature, again respectively with the first set of heat exchange tubes 9, water outside the second set of heat exchange tubes 20 carries out the wet exchange of heat, respectively through the first water fender 4, after the water droplet carrying in the second water fender 22 filtered airs, cooling air is respectively through the first condenser 5, after the second condenser 23, by first row blower fan 6, through first row air port 7, drain into outdoor, by second row blower fan 24, through second row air port 18, drain into outdoor,
The interior return air of the machine room respectively return air air inlet 2 on machine unit shell two side enters in machine unit shell, but clammy through the first set of heat exchange tubes 9, the second set of heat exchange tubes 20 places etc. respectively, converge again again cooling by pervaporation device 11 after, by pressure fan 17, through air outlet 16, sent in machine room.
The course of work of the utility model aircondition water system is as follows:
Water in cyclic water tank 13 is delivered to respectively in the first water-locator 3, the second water-locator 21 through feed pipe by the effect of water circulating pump 14, then under the effect of gravity, water in the first water-locator 3 is successively through the first set of heat exchange tubes 9, the first dew point indirect evaporative cooling core body 8, finally fall into cyclic water tank 13, water in the second water-locator 21 through the second set of heat exchange tubes 20, the second dew point indirect evaporative cooling core body 19, finally falls into cyclic water tank 13 successively.
The cold-producing medium course of work of direct expansion type aerial cooler in the utility model aircondition:
The liquid refrigerant that compressor 10 is HTHP by the refrigerant compression of gaseous state, then deliver to respectively the first condenser 5, the second condenser 23, after heat radiation, become the liquid refrigerant of medium temperature and medium pressure, expansion valve 15 is realized condensing pressure to the pressure drop of evaporating pressure, control refrigerant flow simultaneously, liquid refrigerant enters evaporimeter 11, space increases suddenly, pressure reduces, liquid refrigerant will be vaporized, absorb a large amount of heats, evaporimeter 11 will turn cold, and then the cold-producing medium of gaseous state is got back to compressor 10 continuation compressions, continued circulation.
In aircondition of the present utility model, the other return air air inlet of set of heat exchange tubes adopts full return air, the other new wind air inlet of dew point indirect evaporative cooling core body to adopt all-fresh air, and the condenser in direct expansion type aerial cooler is positioned at exhaust blower below, take full advantage of the cold of control air, realize cold and again recycle.Aircondition of the present utility model can not only be realized annual stable for cold operation, meets data center's high-cleanness, high requirement, and can further reach energy-conservation object.
Claims (10)
1. be applicable to evaporative cooling-direct expansion aircondition of data center, it is characterized in that, include machine unit shell, described machine unit shell is provided with new wind air inlet (1), return air air inlet (2) on relative two side, and described return air air inlet (2) is arranged at the top of described new wind air inlet (1); In the middle of in described machine unit shell, be provided with direct expansion type aerial cooler, the arranged on left and right sides of direct expansion type aerial cooler is respectively arranged with the first combined type devaporizer, the second combined type devaporizer, and the bottom of described the first combined type devaporizer, the second combined type devaporizer and direct expansion type aerial cooler is provided with cyclic water tank (13).
2. aircondition according to claim 1, is characterized in that, in described new wind air inlet (1) and return air air inlet (2), is provided with air-valve.
3. aircondition according to claim 1, is characterized in that, on the machine unit shell roof of described the first combined type devaporizer top correspondence, is provided with first row air port (7); On the machine unit shell roof of described the second combined type devaporizer top correspondence, be provided with second row air port (18).
4. aircondition according to claim 3, is characterized in that, in described first row air port (7) and second row air port (18), is provided with exhaust valve.
5. aircondition according to claim 1, it is characterized in that, described the first combined type devaporizer, include the first dew point indirect evaporative cooling core body (8) that is arranged at cyclic water tank (13) top, the top of described the first dew point indirect evaporative cooling core body (8) is disposed with the first set of heat exchange tubes (9), the first water-locator (3), the first water fender (4), the first condenser (5) and first row blower fan (6);
Described the second combined type devaporizer, include the second dew point indirect evaporative cooling core body (19) that is arranged at cyclic water tank (13) top, the top of described the second dew point indirect evaporative cooling core body (19) is disposed with the second set of heat exchange tubes (20), the second water-locator (21), the second water fender (22), the second condenser (23) and second row blower fan (24);
Described direct expansion type aerial cooler, include the compressor (10) that is arranged at cyclic water tank (13) top, the top of described compressor (10) is disposed with evaporimeter (11), the top of described evaporimeter (11) has been arranged side by side expansion valve (15) and pressure fan (17), the arranged on left and right sides of described expansion valve (15) and pressure fan (17) is provided with dividing plate, the bottom of described expansion valve (15) and pressure fan (17) is provided with gripper shoe, on the machine unit shell sidewall of described pressure fan (17) correspondence, is provided with air outlet (16);
Between described the first combined type devaporizer, the second combined type devaporizer and direct expansion type aerial cooler, by pipe network, connect.
6. aircondition according to claim 5, is characterized in that, described the first dew point indirect evaporative cooling core body (8) is cross flow dew point indirect evaporative cooling core body with the second dew point indirect evaporative cooling core body (19).
7. aircondition according to claim 5, is characterized in that, described the first set of heat exchange tubes (9) forms by many horizontally disposed circular heat exchanger tubes with the second set of heat exchange tubes (20).
8. aircondition according to claim 5, is characterized in that, the pipe network structure between described the first combined type devaporizer, the second combined type devaporizer and direct expansion type aerial cooler is:
Compressor (10) in described direct expansion type aerial cooler is connected with the water inlet of the first condenser (5) by the first water pipe, the delivery port of the first condenser (5) is connected with the water inlet of the second condenser (23) by the second water pipe, the delivery port of described the second condenser (23) is connected with the water inlet of evaporimeter (11) by the 3rd feed pipe, the delivery port of described evaporimeter (11) is connected with compressor (10), forms closed-loop path;
Described cyclic water tank (13) is connected with the first water-locator (3), the second water-locator (21) respectively by feed pipe (25).
9. according to the aircondition described in claim 1,5 or 8, it is characterized in that, in described cyclic water tank (13), be provided with water filter (12).
10. aircondition according to claim 8, is characterized in that, is provided with water circulating pump (14) on described feed pipe (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420283517.1U CN203893342U (en) | 2014-05-29 | 2014-05-29 | Evaporative cooling-direct expansion air conditioning device suitable for data center |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420283517.1U CN203893342U (en) | 2014-05-29 | 2014-05-29 | Evaporative cooling-direct expansion air conditioning device suitable for data center |
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| CN203893342U true CN203893342U (en) | 2014-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420283517.1U Expired - Fee Related CN203893342U (en) | 2014-05-29 | 2014-05-29 | Evaporative cooling-direct expansion air conditioning device suitable for data center |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104006470A (en) * | 2014-05-29 | 2014-08-27 | 西安工程大学 | Evaporative cooling-direct expansion combined air-conditioner for data center |
-
2014
- 2014-05-29 CN CN201420283517.1U patent/CN203893342U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104006470A (en) * | 2014-05-29 | 2014-08-27 | 西安工程大学 | Evaporative cooling-direct expansion combined air-conditioner for data center |
| CN104006470B (en) * | 2014-05-29 | 2017-01-11 | 西安工程大学 | Evaporative cooling-direct expansion combined air-conditioner for data center |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141022 Termination date: 20150529 |
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| EXPY | Termination of patent right or utility model |