CN203464418U - Air-conditioning system applied to independent heat and humidity control on IDC (internet data center) room - Google Patents
Air-conditioning system applied to independent heat and humidity control on IDC (internet data center) room Download PDFInfo
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- CN203464418U CN203464418U CN201320571043.6U CN201320571043U CN203464418U CN 203464418 U CN203464418 U CN 203464418U CN 201320571043 U CN201320571043 U CN 201320571043U CN 203464418 U CN203464418 U CN 203464418U
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Abstract
The utility model provides an air-conditioning system applied to independent heat and humidity control on an IDC (internet data center) room. The air-conditioning system comprises a closed cooling tower, a water-cooling refrigerating unit, a cold water tank, a chilled water pump, a cooling water pump, a dry coil module, a fresh-air dehumidifying module, exhaust equipment, an embedded control system, a closed cooling tower inlet air dry-and-wet-bulb temperature sensor, a dry coil module inlet water temperature sensor and a dry coil module outlet water temperature sensor. A refrigeration method of the air-conditioning system comprises the steps as follows: when the dry-bulb temperature of outdoor air is lower than a criterion temperature 1, the closed cooling tower operates under a dry working condition, and the water-cooling refrigerating unit halts, so that the water and energy are saved; when the dry-bulb temperature of the outdoor air is higher than the criterion temperature 1 and the wet-bulb temperature is lower than a criterion temperature 2, the closed cooling tower operates under a wet working condition, and the water-cooling refrigerating unit halts, so that the energy is saved; and when the wet-bulb temperature of the outdoor air is higher than the criterion temperature 2, the water-cooling refrigerating unit operates, and the outlet water temperature during operation is the criterion temperature 2, so that the energy is saved.
Description
Technical field
The present invention relates to the filed of air conditioning of IDC machine room, be specifically related to a kind of wet independent air-conditioning system and refrigerating method thereof of controlling of heat of the IDC of being applied to machine room.
Background technology
In IDC machine room, due to equipment operation, heat dissipation capacity is large, and for guaranteeing the normal operation of equipment, computer room temperature need to be controlled at 22 ℃ ± 2 ℃ throughout the year.
The particularity of IDC machine room: be all refrigeration duty (1) whole year, thus need annual unlatching refrigeration system, and whole day runs without interruption for 24 hours; (2) IDC machine room refrigeration duty is large, and refrigeration system energy consumption is very high; (3) for guaranteeing that IDC machine room still can normally move in the situation of cutting off the water, while adopting water-cooled refrigeration unit, require to be equipped with cistern.
The most traditional refrigeration solution of existing IDC machine room is to adopt air-cooled precision air conditioner, and unit refrigerating capacity is less, and a data center module generally all needs to install many and just can satisfy the demand.
Air-cooled precision air conditioner major defect is as follows: the Energy Efficiency Ratio of (1) refrigeration system is low: adopt air cooling way, Energy Efficiency Ratio is low compared with water-cooled refrigeration system, and whole year operation energy consumption is large; (2) difficulty is installed: a large amount of outdoor condensers is installed and needed very large place, and copper pipe is long, and refrigerating efficiency is low, and cost is high, and installation difficulty is large, and affects facade.(3) installation site of outdoor condenser is subject to spatial limitation, occurs most probably tropical island effect, greatly reduces refrigerating efficiency.(4) when summer, outdoor temperature was very high, refrigerating capacity degradation is even protected shutdown.(5) operating temperature of the inner fan coil of precision air conditioner is significantly less than dew-point temperature, produces a large amount of condensed waters, in order to maintain the humidity of data center, need to start humidification function, and dehumidifying and humidification all will consume a large amount of energy.
Due to the expansion of IDC machine room scale, adopt water-cooled refrigeration unit to coordinate the system form of IDC end equipment more and more.
Traditional water-cooled refrigeration unit (open cooling tower of employing) coordinates the system of IDC end equipment (water-cooled precision air conditioner), and major defect is as follows: (1), due to the annual refrigeration duty of IDC machine room, water-cooled refrigeration unit is annual opens, and operating cost is high.(2) when water-cooled precision air conditioner is worked, produce a large amount of condensed waters, for guaranteeing the normal operation of equipment in IDC machine room, the relevant device that needs set handling condensed water, as needs are done check dam, ground is done water-proofing treatment, drainage pipeline is set, water leakage alarm equipment is installed.(3) adopt open cooling tower, need the cistern volume being equipped with to require greatly, floor space is large, and water consumption is large.
Summary of the invention
Above-mentioned defect for existing IDC computer-room air conditioning system technology, applicant is through Improvement, a kind of wet independence control air conditioner system of heat and refrigerating method thereof of the IDC of being applied to machine room are provided, by dry coil pipe module and fresh air dehumidification module composition air-conditioning system, closed cooling tower and water-cooled refrigeration unit form refrigeration system, by cooperation, solve the above-mentioned defect existing in current technology.
Technical scheme of the present invention is as follows:
The invention provides a kind of wet independence control air conditioner system of heat of the IDC of being applied to machine room, comprise the closed cooling tower, water-cooled refrigeration unit, cold water tank, chilled water pump, cooling water pump and the dry coil pipe module that by pipeline, are connected, fresh air dehumidification module independently, exhaust equipment independently, and the embedded control system, closed cooling tower air intake wet and dry bulb temperature sensor, dry coil pipe module inflow temperature sensor, dry coil pipe module leaving water temperature sensor, closed cooling tower fan frequency converter, closed cooling tower water circulating pump frequency converter and each electrically operated valve that are electrically connected to;
Running water pipe, the first delivery port of cold water tank by pipeline respectively through the first electrically operated valve, the second electrically operated valve is connected with the water supplement port of closed cooling tower, the delivery port of closed cooling tower is connected with the water inlet of cold water tank through the 3rd electrically operated valve by pipeline, by pipeline, the 4th electrically operated valve through being linked in sequence is connected with the water inlet of cooling water pump with the 5th electrically operated valve the delivery port of closed cooling tower again, also by pipeline, the 4th electrically operated valve through being linked in sequence is connected with the water inlet of chilled water pump with the 6th electrically operated valve the delivery port of closed cooling tower, the first delivery port of water-cooled refrigeration unit is connected with the water inlet of chilled water pump through the 7th electrically operated valve by pipeline, the delivery port of chilled water pump is directly connected with the water inlet of dry coil pipe module by pipeline, the delivery port of dry coil pipe module by pipeline respectively through the 8th electrically operated valve, the first water inlet of the 9th electrically operated valve and water-cooled refrigeration unit, the water inlet of closed cooling tower connects, the delivery port of cooling water pump is directly connected with the second water inlet of water-cooled refrigeration unit by pipeline, the second delivery port of water-cooled refrigeration unit is directly connected with the water inlet of closed cooling tower by pipeline, the second delivery port of cold water tank is connected through the 5th electrically operated valve, the 6th water inlet of electrically operated valve cooling water pump, the water inlet of chilled water pump respectively by pipeline, fresh air dehumidification module, exhaust equipment are independently arranged in IDC machine room,
Closed cooling tower air intake wet and dry bulb temperature installation of sensors is at the air inlet place of closed cooling tower; Dry coil pipe module inflow temperature installation of sensors is on dry coil pipe module water supply line; Dry coil pipe module leaving water temperature installation of sensors is on dry coil pipe module water return pipeline.The signal input embedded control system that closed cooling tower air intake wet and dry bulb temperature sensor, dry coil pipe module inflow temperature sensor and dry coil pipe module leaving water temperature sensor gather, each electrically operated valve of signal controlling of embedded control system output and closed cooling tower fan frequency converter, closed cooling tower water circulating pump frequency converter.
2. the wet independent refrigerating method of controlling of heat that is applied to IDC machine room, is specially:
1) when the dry-bulb temperature of outdoor air is lower than criterion temperature 1, water-cooled refrigeration unit is shut down, and the operation of closed cooling tower dry cooling condition, provides chilled water, guarantees the operation of dry coil pipe module dry cooling condition in the time of cooling dry coil pipe module;
2) when the dry-bulb temperature of outdoor air higher than criterion temperature 1 and wet-bulb temperature lower than criterion temperature 2, water-cooled refrigeration unit is shut down, the operation of closed cooling tower wet cooling condition, provides chilled water, guarantees the operation of dry coil pipe module dry cooling condition in the time of cooling dry coil pipe module;
3) when the wet-bulb temperature of outdoor air is higher than criterion temperature 2, the operation of water-cooled refrigeration unit, provides chilled water, guarantees the operation of dry coil pipe module dry cooling condition in the time of cooling dry coil pipe module;
4) when water-cooled refrigeration unit is moved, leaving water temperature is controlled at criterion temperature 2, improves to greatest extent the Energy Efficiency Ratio of water-cooled refrigeration unit when guaranteeing the operation of dry coil pipe module dry cooling condition.
Useful technique effect of the present invention is:
The present invention adopts the wet independence control air conditioner system of heat, by dry coil pipe module, bears indoor refrigeration duty, by fresh air dehumidification module, bears new wind and whole humidity load.More than the operating temperature of dry coil pipe module runs on dew-point temperature, do not need to bear indoor humidity load.
The present invention adopts the operation of coil pipe dry cooling condition in dry coil pipe module, and evaporated condensation water produces, and therefore, relevant device that needn't set handling condensed water, guarantees the safe operation of machine room.
The present invention adopts the coil pipe dry cooling condition operation in dry coil pipe module, and area and the riding position of coil pipe are more flexible, can greatly increase heat exchange area and heat transfer effect.
The present invention adopts the coil pipe dry cooling condition operation in dry coil pipe module, and coil pipe running temperature is high, and required chilled water temperature is high.Most of the time in 1 year all can adopt closed cooling tower that cooling water is provided, and greatly reduces refrigeration unit running time, energy-conservation; Under suitable weather conditions, adopt the operation of closed cooling tower dry cooling condition that chilled water, energy-conservation, water saving, antifreeze are provided.While adopting water-cooled refrigeration unit that chilled water is provided, because refrigeration system leaving water temperature improves, refrigeration unit COP improves, energy-conservation.
The dry coil pipe module that the present invention adopts does not produce effect on moisture extraction, and can because of condensed water, not separate out, reduce indoor humidity needs humidification, reduces the energy consumption that this part causes.
The present invention adopts fresh air dehumidification module independent operating, restricted few.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of refrigeration system of the present invention.
Fig. 2 is that the method for operation of refrigeration system of the present invention is always schemed.
Fig. 3 is under normal circumstances, the loop figure of the cooling method of operation of closed cooling tower.
Fig. 4 is under normal circumstances, the chilled water circulation under water-cooled refrigeration unit cooling operation mode, cooling water circulation loop figure.
Fig. 5 is under normal circumstances, the water-supply map of refrigeration system of the present invention.
Fig. 6 promptly cuts off the water in situation, the water-supply map of refrigeration system of the present invention.
[reference numeral explanation] be closed cooling tower 1.; 2. water-cooled refrigeration unit; 3. cold water tank; 4. chilled water pump; 5. cooling water pump; 6. dry coil pipe module; 7. fresh air dehumidification module; 8. exhaust equipment; 9. embedded control system; 10. closed cooling tower air intake wet and dry bulb temperature sensor; 11. dry coil pipe module inflow temperature sensors; 12. dry coil pipe module leaving water temperature sensors; 13. electrically operated valves; 14. electrically operated valves; 15. electrically operated valves; 16. electrically operated valves; 17. electrically operated valves; 18. electrically operated valves; 19. electrically operated valves; 20. motor-driven valves; 21. motor-driven valves; 22. closed cooling tower fan frequency converters; 23. closed cooling tower water circulating pump frequency converters.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described further.
As shown in Figure 1, refrigeration system of the present invention comprises closed cooling tower 1, water-cooled refrigeration unit 2, cold water tank 3, chilled water pump 4, cooling water pump 5, dry coil pipe module 6, fresh air dehumidification module 7, exhaust equipment 8, embedded control system 9, closed cooling tower air intake wet and dry bulb temperature sensor 10, dry coil pipe module inflow temperature sensor 11, dry coil pipe module leaving water temperature sensor 12, closed cooling tower fan frequency converter 22, closed cooling tower water circulating pump frequency converter 23 and a plurality of electrically operated valve 13～21.
See Fig. 1, running water pipe, the first delivery port of cold water tank (3) by pipeline respectively through the first electrically operated valve (20), the second electrically operated valve (21) is connected with the water supplement port of closed cooling tower (1), the delivery port of closed cooling tower (1) is connected with the water inlet of cold water tank (3) through the 3rd electrically operated valve (13) by pipeline, by pipeline, the 4th electrically operated valve (14) through being linked in sequence is connected with the water inlet of cooling water pump (5) with the 5th electrically operated valve (15) delivery port of closed cooling tower (1) again, also by pipeline, the 4th electrically operated valve (14) through being linked in sequence is connected with the water inlet of chilled water pump (4) with the 6th electrically operated valve (16) delivery port of closed cooling tower (1), the first delivery port of water-cooled refrigeration unit (2) is connected with the water inlet of chilled water pump (4) through the 7th electrically operated valve (17) by pipeline, the delivery port of chilled water pump (4) is directly connected with the water inlet of dry coil pipe module (6) by pipeline, the delivery port of dry coil pipe module (6) by pipeline respectively through the 8th electrically operated valve (18), the first water inlet of the 9th electrically operated valve (19) and water-cooled refrigeration unit (2), the water inlet of closed cooling tower (1) connects, the delivery port of cooling water pump (5) is directly connected with the second water inlet of water-cooled refrigeration unit (2) by pipeline, the second delivery port of water-cooled refrigeration unit (2) is directly connected with the water inlet of closed cooling tower (1) by pipeline, the second delivery port of cold water tank (3) is connected with the water inlet of cooling water pump (5), the water inlet of chilled water pump (4) through the 5th electrically operated valve (15), the 6th electrically operated valve (16) respectively by pipeline, fresh air dehumidification module (7), exhaust equipment (8) are independently arranged in IDC machine room,
See Fig. 1, closed cooling tower air intake wet and dry bulb temperature sensor (10) is arranged on the air inlet place of closed cooling tower (1); Dry coil pipe module inflow temperature sensor (11) is arranged on dry coil pipe module (6) water supply line; Dry coil pipe module leaving water temperature sensor (12) is arranged on dry coil pipe module (6) water return pipeline.The signal input embedded control system (9) that closed cooling tower air intake wet and dry bulb temperature sensor (10), dry coil pipe module inflow temperature sensor (11), dry coil pipe module leaving water temperature sensor (12) gather, each electrically operated valve of signal controlling (13～21) of embedded control system (9) output and the closed cooling tower fan frequency converter (22) on closed cooling tower (1), closed cooling tower water circulating pump frequency converter (23), meet optimum control under each operating mode, play object energy-conservation, water saving; Wherein, closed cooling tower fan frequency converter (22) is controlled the air quantity of closed cooling tower (1); Closed cooling tower water circulating pump frequency converter (23) is controlled the water spray of closed cooling tower (1).
The total method of operation of refrigeration system of the present invention as shown in Figure 2, is divided into two kinds of normal condition, emergencies.
See Fig. 2, under normal circumstances, refrigeration system is divided into again " closed cooling tower is cooling " and " water-cooled refrigeration unit refrigeration " two kinds of methods of operation.Its control mode is as follows respectively:
1, closed cooling tower is cooling: when in closed cooling tower air intake wet and dry bulb temperature sensor 10 temperature, wet-bulb temperature is lower than criterion temperature 2, and embedded control system 9 output control signals, control each electrically operated valve and form following switching combination:
| Motor-driven |
Open | Motor-driven |
Close |
| Motor-driven |
Open | Motor-driven |
Close |
| Motor-driven |
Close | Motor-driven |
Open |
| Motor-driven |
Close | ? | ? |
| Motor-driven |
Close | Motor-driven |
Open |
Under above-mentioned switching combination, the operating loop of refrigeration system as shown in Figure 3.Water-cooled refrigeration unit is shut down, and closed cooling tower operation, provides chilled water, and chilled water is led to cold water tank, guarantees flow and extends the time of utilizing cooling tower cooling.
" closed cooling tower is cooling " method of operation can be divided into again " operation of closed cooling tower dry cooling condition " and " operation of closed cooling tower wet cooling condition " two kinds of situations.
(1), when closed cooling tower air intake wet and dry bulb temperature sensor 10 dry-bulb temperatures are lower than criterion temperature 1, system should run on " closed cooling tower dry cooling condition ".The blower fan of closed cooling tower 1 normally moves, and Sprayer Circulation water pump quits work.Water-cooled refrigeration unit 2 is shut down.Embedded control system 9 is determined control signal according to the data of dry coil pipe module leaving water temperature sensor 12, controls closed cooling tower fan frequency converter 22, ensures the operation of dry coil pipe module dry cooling condition, to reach antifreeze, water saving, energy-conservation effect.
(2) closed cooling tower air intake wet and dry bulb temperature sensor 10 dry-bulb temperatures are higher than criterion temperature 1 and wet bulb bulb temperature during lower than criterion temperature 2, and system runs on " closed cooling tower wet cooling condition ".The blower fan of closed cooling tower 1 normally moves, the normal operation of Sprayer Circulation water pump.Water-cooled refrigeration unit 2 is shut down.Embedded control system 9 is determined control signal according to the data of dry coil pipe module leaving water temperature sensor 12, controls closed cooling tower fan frequency converter 22, thereby controls air quantity; Control closed cooling tower Sprayer Circulation pump variable frequency device 23, thereby control water spray, meet the requirement of dry coil pipe module 6 dry cooling condition operations, to reach energy-conservation effect.
2, water-cooled refrigeration unit refrigeration: closed cooling tower air intake wet and dry bulb temperature sensor 10 wet-bulb temperature are during higher than criterion temperature 2, embedded control system 9 output control signals, control each electrically operated valve and form following switching combination:
| Motor-driven |
Open | Motor-driven |
Close |
| Motor-driven |
Close | Motor-driven |
Open |
| Motor-driven |
Open | Motor-driven |
Close |
| Motor-driven |
Open | ? | ? |
| Motor-driven |
Open | Motor-driven |
Close |
Under above-mentioned switching combination, the operating loop of refrigeration system as shown in Figure 4:
The blower fan of closed cooling tower 1 normally moves, the normal operation of Sprayer Circulation water pump.2 starts of water-cooled refrigeration unit.Embedded control system 9 is determined control signal according to the data of dry coil pipe module leaving water temperature field device 12, and making the leaving water temperature of water-cooled refrigeration unit is criterion temperature 2, meets the requirement of dry coil pipe module 6 dry cooling condition operations,, to reach energy-conservation effect.
Comprehensive above-mentioned 1,2 methods of operation, the water temperature in cold water tank 3 meet the demands (system is not usingd outside air temperature as criterion, but using dry coil pipe module leaving water temperature as according to), just can not open water-cooled refrigeration unit 2.Only have the leaving water temperature when dry coil pipe module too high, the cold water in cold water tank 3 can not meet the demand of dry coil pipe module, just need to open water-cooled refrigeration unit 2.
See Fig. 2, " emergency " refers to the situation of promptly cutting off the water.
3. promptly cut off the water.
Above-mentioned 1,2 under normal circumstances, and the ruuning situation of system as shown in Figure 5.And promptly cut off the water in situation, the ruuning situation of system is as shown in Figure 6.Now, embedded control system 9 output control signals, control each electrically operated valve and form following switching combination: (action of other electrically operated valves is constant)
| Motor-driven |
Close | Motor-driven |
Open |
| Motor-driven |
Close | Motor-driven |
Open |
Based on above-mentioned refrigeration system, refrigerating method proposed by the invention is as follows:
1) when the dry-bulb temperature of outdoor air is lower than criterion temperature 1, water-cooled refrigeration unit is shut down, and the operation of closed cooling tower dry cooling condition, provides chilled water, guarantees the operation of dry coil pipe module dry cooling condition in the time of cooling dry coil pipe module;
2) when the dry-bulb temperature of outdoor air higher than criterion temperature 1 and wet-bulb temperature lower than criterion temperature 2, water-cooled refrigeration unit is shut down, the operation of closed cooling tower wet cooling condition, provides chilled water, guarantees the operation of dry coil pipe module dry cooling condition in the time of cooling dry coil pipe module;
3) when the wet-bulb temperature of outdoor air is higher than criterion temperature 2, the operation of water-cooled refrigeration unit, provides chilled water, guarantees the operation of dry coil pipe module dry cooling condition in the time of cooling dry coil pipe module;
4), when water-cooled refrigeration unit is moved, leaving water temperature is controlled at criterion temperature 2.
Above-described is only the preferred embodiment of the present invention, the invention is not restricted to above embodiment.Be appreciated that the oher improvements and changes that those skilled in the art directly derive or associate without departing from the basic idea of the present invention, within all should thinking and being included in protection scope of the present invention.
Claims (1)
1. the wet independent air-conditioning system of controlling of the heat that is applied to IDC machine room, it is characterized in that: comprise the closed cooling tower (1) being connected by pipeline, water-cooled refrigeration unit (2), cold water tank (3), chilled water pump (4), cooling water pump (5) and dry coil pipe module (6), fresh air dehumidification module (7) independently, exhaust equipment (8) independently, and the embedded control system (9) being electrically connected to, closed cooling tower air intake wet and dry bulb temperature sensor (10), dry coil pipe module inflow temperature sensor (11), dry coil pipe module leaving water temperature sensor (12), closed cooling tower fan frequency converter (22), closed cooling tower water circulating pump frequency converter (23) and each electrically operated valve (13～21),
Running water pipe, the first delivery port of cold water tank (3) by pipeline respectively through the first electrically operated valve (20), the second electrically operated valve (21) is connected with the water supplement port of closed cooling tower (1), the delivery port of closed cooling tower (1) is connected with the water inlet of cold water tank (3) through the 3rd electrically operated valve (13) by pipeline, by pipeline, the 4th electrically operated valve (14) through being linked in sequence is connected with the water inlet of cooling water pump (5) with the 5th electrically operated valve (15) delivery port of closed cooling tower (1) again, also by pipeline, the 4th electrically operated valve (14) through being linked in sequence is connected with the water inlet of chilled water pump (4) with the 6th electrically operated valve (16) delivery port of closed cooling tower (1), the first delivery port of water-cooled refrigeration unit (2) is connected with the water inlet of chilled water pump (4) through the 7th electrically operated valve (17) by pipeline, the delivery port of chilled water pump (4) is directly connected with the water inlet of dry coil pipe module (6) by pipeline, the delivery port of dry coil pipe module (6) by pipeline respectively through the 8th electrically operated valve (18), the first water inlet of the 9th electrically operated valve (19) and water-cooled refrigeration unit (2), the water inlet of closed cooling tower (1) connects, the delivery port of cooling water pump (5) is directly connected with the second water inlet of water-cooled refrigeration unit (2) by pipeline, the second delivery port of water-cooled refrigeration unit (2) is directly connected with the water inlet of closed cooling tower (1) by pipeline, the second delivery port of cold water tank (3) is connected with the water inlet of cooling water pump (5), the water inlet of chilled water pump (4) through the 5th electrically operated valve (15), the 6th electrically operated valve (16) respectively by pipeline, fresh air dehumidification module (7), exhaust equipment (8) are independently arranged in IDC machine room,
Closed cooling tower air intake wet and dry bulb temperature sensor (10) is arranged on the air inlet place of closed cooling tower (1); Dry coil pipe module inflow temperature sensor (11) is arranged on dry coil pipe module (6) water supply line; Dry coil pipe module leaving water temperature sensor (12) is arranged on dry coil pipe module (6) water return pipeline; The signal input embedded control system (9) that closed cooling tower air intake wet and dry bulb temperature sensor (10), dry coil pipe module inflow temperature sensor (11) and dry coil pipe module leaving water temperature sensor (12) gather, each electrically operated valve of signal controlling (13～21) of embedded control system (9) output and closed cooling tower fan frequency converter (22), closed cooling tower water circulating pump frequency converter (23).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320571043.6U CN203464418U (en) | 2013-09-13 | 2013-09-13 | Air-conditioning system applied to independent heat and humidity control on IDC (internet data center) room |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320571043.6U CN203464418U (en) | 2013-09-13 | 2013-09-13 | Air-conditioning system applied to independent heat and humidity control on IDC (internet data center) room |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104456774A (en) * | 2013-09-13 | 2015-03-25 | 江南大学 | Heat humidity independently controlled air conditioning system applied to IDC machine room and refrigeration method |
| CN108444040A (en) * | 2018-04-03 | 2018-08-24 | 郑州云海信息技术有限公司 | A kind of double low-temperature receiver data centers and temprature control method |
| CN112082234A (en) * | 2020-08-25 | 2020-12-15 | 华信咨询设计研究院有限公司 | Double-coil air step cooling processing unit and water supply temperature determination method |
-
2013
- 2013-09-13 CN CN201320571043.6U patent/CN203464418U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104456774A (en) * | 2013-09-13 | 2015-03-25 | 江南大学 | Heat humidity independently controlled air conditioning system applied to IDC machine room and refrigeration method |
| CN108444040A (en) * | 2018-04-03 | 2018-08-24 | 郑州云海信息技术有限公司 | A kind of double low-temperature receiver data centers and temprature control method |
| CN112082234A (en) * | 2020-08-25 | 2020-12-15 | 华信咨询设计研究院有限公司 | Double-coil air step cooling processing unit and water supply temperature determination method |
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