CN208572650U - A kind of data machine room air-conditioning system - Google Patents

Abstract

The utility model provides a kind of data machine room air-conditioning system, including cold source of air conditioning system, server cabinet, air treatment system；Cold source of air conditioning system, server cabinet, air treatment system are sequentially connected；Cooling tower, feeding spraying pump, cold source controller are equipped in the cold source of air conditioning system, cooling tower is equipped with unit fixed on water pump suction, exit of pump, water return outlet and feed water inlet；One end of the feeding spraying pump is connect with unit fixed on water pump suction, and the other end is connect with exit of pump；The cold source controller is electrically connected with cooling tower, feeding spraying pump respectively；Geomantic omen heat exchanger, semiconductor water cooling heat exchanger and air handling controller are equipped in the air treatment system, one end of air treatment system is equipped with air duct import I, air duct import II, and the other end is equipped with ducting outlet.The utility model installation is simple and fast, cost is relatively low, control system is simple, high reliablity, applied widely.

Description

A kind of data machine room air-conditioning system

Technical field

The utility model relates to a kind of data machine room air-conditioning systems, belong to air-conditioning system technical field.

Background technique

For a long time, since data center computer room environmental requirement is higher, for the environment for ensureing equipment normal operation in data center computer room Several air conditioner in machine room refrigeration equipments is generally arranged in condition in computer room, and into data center computer room, equipment provides cooling condition. Data machine room air-conditioning system generally uses full air-treatment mode, even if in outdoor weather condition preferable winter, spring and autumn transition Season also needs to open air conditioner in machine room refrigeration equipment offer cold source.

In recent years energy-saving and emission-reduction policy is advocated, the utilization of data center's air-conditioning system natural cooling is also gradually being promoted.And mesh The supply of preceding natural cooling source mainly adds plate heat exchanger mode by open type tower, but this mode needs two-stage heat exchange, band The result come is exactly that using the time to account for annual air-conditioner operation time ratio short for natural cooling；In addition, the purchase cost of refrigeration host computer, Implementation cost, later period O&M cost and operating cost are all relatively high, especially in some small-sized data machine room air-conditioning systems Carrying out refrigeration using refrigeration host computer seems uneconomical.

In general, medium-and-large-sized data center being created, initial operation stage can exist is in underrun for a period of time, this When for ensure refrigeration host computer can smoothly be switched on, often through increase fictitious load mode ensure certain system load rate, cause Consumption of data center waste is serious.

In the prior art, to semiconductor heat exchange equipment carry out computer room cooling provide plurality of devices, such as application No. is A kind of solar semiconductor water cooling air conditioning system to be exchanged heat using soil, Shen disclosed in 200810116151 Chinese patent Please number for 201110137555 Chinese patent disclosed in novel semiconductor water cooled air conditioner, application No. is in 201510522365 The intelligence communication base station thermoelectric cooling integration heat-exchange device of state's patent disclosure and application No. is 201520544878 China A kind of water-cooled air conditioner of patent disclosure, but the semiconductor heat exchange equipment in above-mentioned patent is to realize to radiate by recirculated water, In actual use, since the heat flow density of thermoelectric unit is big, recirculated water heating is very fast, drops longevity of service with behind efficiency It is low, and semiconductor is afraid of tide.

A kind of for another example air-conditioning system with air-cleaning function disclosed in the Chinese patent application No. is 201410480651 A kind of air-conditioning system with air-cleaning function disclosed in system and the Chinese patent application No. is 201420540302, the system Exchanged heat using cold and hot fuel tank to semiconductor chip, since the heat flow density of thermoelectric unit is big, temperature and ambient temperature too In the case where height, some potential safety problems can be caused to fuel tank.

A kind of for another example multiple computer-room air conditioning system disclosed in the Chinese patent application No. is 2013104100644, passes through Heat-exchanger rig is by both vapor compression unit and the cooling of loop heat pipe unit intercouples and application No. is the China of 201410046876X Vapour compression refrigeration and the cooling independent fortune of loop heat pipe may be implemented in a kind of multi-joint heat pipe machine room air-conditioning system of patent disclosure Row is run simultaneously, realizes the independent control of computer room temperature and humidity, but systematic comparison is complicated, at high cost, and has cooling capacity defeated Lower limit out cannot be completely secured natural cooling and semiconductor cooling while carry out；

A kind of for another example combined type refrigerant multi-gang air conditioner disclosed in the Chinese patent application No. is 2014105494915, The two or more outdoor combined type refrigerant module composition combined air conditioners of outside setting, indoor is by directly evaporating cold wind Machine module composition conveys cooling capacity under refrigerated medium pump effect, but the system be it is compound by hot-pipe system and refrigeration system overlapping and At higher cost；A kind of for another example liquid pump to supply refrigerant multi-connected air conditioner disclosed in the Chinese patent application No. is 2006100113359 The low-temp low-pressure refrigerant that refrigeration system is produced is stored in low-pressure liquid storing tank by a low-pressure liquid storing tank and made by group, the system Each end evaporator, refrigerated medium pump higher cost are delivered under cryogen pumping action；For another example application No. is in 2009102354298 A kind of liquid pump to supply refrigerant VRF Air Conditioning System with natural cooling function of state's patent disclosure realizes unit by different valve start and stop Refrigeration mode and natural cooling mode are carried out, there is still a need for refrigerated medium pump drivings to recycle for system.

Utility model content

In order to solve the above technical problems, the utility model provides a kind of data machine room air-conditioning system, the data center computer room is empty Adjusting system effective use semiconductor refrigerating and natural cooling source combine, and eliminate compressor refrigeration, obtain system, cost To control, while cold source of air conditioning energy consumption is also reduced on the whole, obtain higher reliability and efficiency of energy utilization.

The utility model is achieved by the following technical programs.

A kind of data machine room air-conditioning system provided by the utility model, including cold source of air conditioning system, server cabinet, air Processing system；Cold source of air conditioning system, server cabinet, air treatment system are sequentially connected；It is equipped in the cold source of air conditioning system Cooling tower, feeding spraying pump, cold source controller, cooling tower are equipped with unit fixed on water pump suction, exit of pump, water return outlet and feed water inlet；It is described One end of feeding spraying pump is connect with unit fixed on water pump suction, and the other end is connect with exit of pump；The cold source controller respectively with cooling tower, Feeding spraying pump is electrically connected；Geomantic omen heat exchanger, semiconductor water cooling heat exchanger and air-treatment are equipped in the air treatment system Controller, one end of air treatment system are equipped with air duct import I, air duct import II, and the other end is equipped with ducting outlet；The geomantic omen Heat exchanger is connected with semiconductor water cooling heat exchanger, is connected with semiconductor chilling plate in the other side of semiconductor water cooling heat exchanger, empty Gas disposal controller and semiconductor chilling plate are electrically connected；In the server cabinet be equipped with the passage of heat, the passage of heat and air duct into Mouth I is connected to；The water return outlet is connect with geomantic omen heat exchanger, semiconductor water cooling heat exchanger respectively by return pipe, and feed water inlet passes through Water supplying pipe is connect with geomantic omen heat exchanger, semiconductor water cooling heat exchanger respectively.

The geomantic omen heat exchanger, semiconductor water cooling heat exchanger, semiconductor chilling plate are set gradually, semiconductor chilling plate hot end With semiconductor water cooling heat exchanger by heat conductive silica gel closely close to cold end is provided with for increasing wind and semiconductor chilling plate cold end The semiconductor cool-guiding device of cooling surface area, semiconductor cool-guiding device by heat conductive silica gel and semiconductor chilling plate closely close to so that Semiconductor water cooling heat exchanger, semiconductor chilling plate, semiconductor cool-guiding device form one；

The geomantic omen heat exchanger, semiconductor water cooling heat exchanger, semiconductor chilling plate, semiconductor cool-guiding device are located at air duct import II, gap is equipped on semiconductor cool-guiding device.

Semiconductor water cooling heat exchanger both ends are respectively equipped with entery and delivery port, the both ends of geomantic omen heat exchanger be respectively equipped with into, Outlet pipe；Entery and delivery port is connect with inlet tube and outlet tube by three-way connector, and the entery and delivery port passes through again with inlet tube and outlet tube Three-way connector is commonly connected to water supplying pipe, on return pipe.

Centrifugal blower is additionally provided in the air treatment system, the one of semiconductor water cooling heat exchanger is arranged in centrifugal blower Side, air handling controller and centrifugal blower are electrically connected.

The positive and negative anodes of the air handling controller power supply are connect with the positive and negative anodes of semiconductor chilling plate respectively, air-treatment Controller controls the start and stop and size of current of semiconductor chilling plate according to the temperature of wind pushing temperature sensor.

The server cabinet front end is opened wide, and is communicated with computer room, and rear end is equipped with the enclosed passage of heat, the side of the passage of heat Equipped with server seat in the plane, it is equipped with baffle in server seat in the plane rear end, allows the passage of heat and server seat in the plane to form same journey and sends air duct back to.

The air treatment system is located at immediately below server cabinet, the air duct import I of the passage of heat and air treatment system Connection, server cabinet front are provided with ventilation electrostatic floor, are used as air supply plenum chamber below ventilation electrostatic floor, static pressure of blowing Case is adjacent with ducting outlet.

The air handling controller is connect by return air temperature sensor with channel entrance II, and air handling controller is logical Wind pushing temperature sensor is crossed to connect with ducting outlet；

The water supplying pipe is equipped with water circulating pump, and cold source controller and water circulating pump are electrically connected.

The cold source controller is connect by supply water temperature sensor with water supplying pipe, and the setting of supply water temperature sensor is recycling The front of water pump, supply water temperature sensor are adjacent with cooling tower.

The cold source controller passes through return water temperature sensor, flowmeter and return pipe respectively and connects, return water temperature sensing The front of flowmeter is arranged in device, and return water temperature sensor is adjacent with cooling tower.

The utility model has the beneficial effects that:

1. system is simple, install that simple and fast, cost is relatively low, control system is simple, high reliablity, applied widely；

2. cabinet grade air-conditioning, is suitable for wider range of load factor section, system provides corresponding according to the different load factor of single cabinet Refrigerating capacity avoid energy consumption from wasting without the limitation of cooling capacity bottoming；

3. combining using semiconductor refrigerating with natural cooling, natural cooling is more made full use of, reduces cold source of air conditioning Energy consumption.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model；

In figure: 1- cold source of air conditioning system, 11- cooling tower, 12- feeding spraying pump, 13- water circulating pump, 14- supply water temperature pass Sensor, 15- return water temperature sensor, 16- flowmeter, 17- cold source controller, 18- water supplying pipe, 19- return pipe, 2- server machine Cabinet, 21- server seat in the plane, the 22- passage of heat, 3- air treatment system, the geomantic omen 31- heat exchanger, 32- semiconductor water cooling heat exchanger, 33- semiconductor chilling plate, 34- centrifugal blower, 35- return air temperature sensor, 36- wind pushing temperature sensor, 37- air-treatment Controller, 38- semiconductor cool-guiding device, 4- ventilation electrostatic floor, 5- air supply plenum chamber.

Specific embodiment

Be described further below the technical solution of the utility model, but claimed range be not limited to it is described.

As shown in Figure 1, a kind of data machine room air-conditioning system, including cold source of air conditioning system 1 (integrated form cold source of air conditioning system), Server cabinet 2, air treatment system 3 (the distributed airhandling equipment of dual surface cooler structure)；Cold source of air conditioning system 1, clothes Business device cabinet 2, air treatment system 3 are sequentially connected；Be equipped in the cold source of air conditioning system 1 cooling tower 11 (closed cooling tower), Feeding spraying pump 12, cold source controller 17, cooling tower 11 are equipped with unit fixed on water pump suction, exit of pump, water return outlet and feed water inlet；The spray One end of sprinkling pump 12 is connect with unit fixed on water pump suction, and the other end is connect with exit of pump；The cold source controller 17 respectively with cooling Tower 11, feeding spraying pump 12 are electrically connected；Geomantic omen heat exchanger 31, semiconductor water cooling heat exchanger are equipped in the air treatment system 3 32 and air handling controller 37, one end of air treatment system 3 is equipped with air duct import I, air duct import II, and the other end is equipped with wind Road outlet；The geomantic omen heat exchanger 31 is connected with semiconductor water cooling heat exchanger 32, in the other side of semiconductor water cooling heat exchanger 32 It is connected with semiconductor chilling plate 33, air handling controller 37 and semiconductor chilling plate 33 are electrically connected；The server cabinet 2 In be equipped with the passage of heat 22, the passage of heat 22 is connected to air duct import I；The water return outlet is exchanged heat with geomantic omen respectively by return pipe 19 Device 31, semiconductor water cooling heat exchanger 32 connect, and feed water inlet is changed with geomantic omen heat exchanger 31, semiconductor water cooling respectively by water supplying pipe 18 Hot device 32 connects；

There are two types of the cooling work modes of the system:

Mode one is natural cooling: by cold source of air conditioning system 1, server cabinet 2, that air treatment system 3 forms nature is cold But group, cold source of air conditioning system 1, server cabinet 2, air treatment system 3 work at the same time, and natural cooling are carried out, in natural cooling It does not include that semiconductor water cooling heat exchanger 32, semiconductor chilling plate 33 and the semiconductor being arranged in air treatment system 3 arrive in group Cooler 38；

Mode two is that natural cooling adds semiconductor refrigerating: by cold source of air conditioning system 1, server cabinet 2, air treatment system The 3 cooling groups of composition semiconductor, cold source of air conditioning system 1, server cabinet 2, air treatment system 3 work at the same time, and add conductor Water cooling heat exchanger 32, semiconductor chilling plate 33 and the semiconductor being arranged in air treatment system 3 carry out semiconductor to cooler 38 Refrigeration and natural cooling；

In the mode one, the numerical value of supply water temperature sensor 14, which can be improved with respect to conventional numeric to 22 DEG C, to supply water, and Cold source of air conditioning system 1 radiates using closed cooling tower closed cycle water indirect evaporation, and the ambient wet bulb of this mode can be used Temperature only needs to meet 18 DEG C or less；And conventionally, as supply water temperature need to guarantee 15 DEG C hereinafter, and in this mode The mode of the open cooling tower and plate heat exchanger that use, it is possible to using this mode ambient wet bulb temperature need to 8 DEG C with Under, the raising of supply water temperature is reduced to 1 use condition of cold source of air conditioning system.And the utility model is made to work in such mode Time is substantially extended, to significantly reduce the comprehensive energy consumption of cold source of air conditioning system；

The switching of mode one Yu the mode two does not need to do the switching of any valve, it is only necessary to control air-treatment system Switching can be completed by the electric current of semiconductor chilling plate 33 in system 3, entire handoff procedure is simple, fast, reliably；Compared to existing Natural cooling switching, not only need to complete the start and stop of distinct device, but also need to complete under mode one and mode two The switching of different valves, system is bigger, and caliber is bigger, switches that the required time is longer, and reliability is also lower；

The semiconductor water cooling heat exchanger 32 in 33 hot end of semiconductor chilling plate is partly led with 33 cold end of semiconductor chilling plate The temperature difference≤10 degree Celsius of body cool-guiding device 38；So that 33 refrigeration performance of semiconductor chilling plate is improved to greatest extent.

The cold source controller 17 passes through the 11 tower wind frequency of Numerical Control cooling tower of supply water temperature sensor 14；It is described Difference control loop water pump 13 between cold source controller 17 passes through between supply water temperature sensor 14 and return water temperature sensor 15 Cycle frequency；The spray frequency of the tower wind frequency control feeding spraying pump 12 of the cooling tower 11；So that supply water temperature sensor 14 are accurately controlled.

The geomantic omen heat exchanger 31, semiconductor water cooling heat exchanger 32, semiconductor chilling plate 33 are set gradually, semiconductor refrigerating 33 hot end of piece and semiconductor water cooling heat exchanger 32 pass through heat conductive silica gel closely close to cold end is provided with for increasing wind and semiconductor The semiconductor cool-guiding device 38 of 33 cold end cooling surface area of cooling piece, semiconductor cool-guiding device 38 pass through heat conductive silica gel and semiconductor refrigerating Piece 33 is closely close to so that semiconductor water cooling heat exchanger 32, semiconductor chilling plate 33, semiconductor cool-guiding device 38 form one；

The geomantic omen heat exchanger 31, semiconductor water cooling heat exchanger 32, semiconductor chilling plate 33, semiconductor cool-guiding device 38 are located at Air duct import II, is equipped with gap on semiconductor cool-guiding device 38, and wind passes through from gap.

32 both ends of semiconductor water cooling heat exchanger are respectively equipped with entery and delivery port, and the both ends of geomantic omen heat exchanger 31 are set respectively There is inlet tube and outlet tube；Entery and delivery port is connect with inlet tube and outlet tube by three-way connector, and the entery and delivery port and inlet tube and outlet tube are again Water supplying pipe 18 is commonly connected to, on return pipe 19 by three-way connector.

Centrifugal blower 34 is additionally provided in the air treatment system 3, centrifugal blower 34 is arranged in semiconductor water cooling heat exchanger 32 side, air handling controller 37 and centrifugal blower 34 are electrically connected, and distribution and revolving speed control are carried out to it.

The positive and negative anodes of 37 power supply of air handling controller are connect with the positive and negative anodes of semiconductor chilling plate 33 respectively, air Processing controller 37 controls the start and stop and size of current of semiconductor chilling plate 33 according to the temperature of wind pushing temperature sensor 36.

2 front end of server cabinet is opened wide, and is communicated with computer room, and rear end is equipped with the enclosed passage of heat 22, the passage of heat 22 Side be equipped with server seat in the plane 21, be equipped with baffle in 21 rear end of server seat in the plane, allow 21 shape of the passage of heat 22 and server seat in the plane Cheng Tongcheng sends air duct back to.

The air treatment system 3 is located at immediately below server cabinet 2, the air duct of the passage of heat 22 and air treatment system 3 Import I is connected to, and ventilation electrostatic floor 4 is provided in front of server cabinet 2, is used as air supply plenum chamber below electrostatic floor 4 of divulging information 5, air supply plenum chamber 5 is adjacent with ducting outlet.

The air handling controller 37 is connect by return air temperature sensor 35 with channel entrance II, air-treatment control Device 37 is connect by wind pushing temperature sensor 36 with ducting outlet.

The water supplying pipe 18 is equipped with water circulating pump 13, and cold source controller 17 and water circulating pump 13 are electrically connected.

The cold source controller 17 is connect by supply water temperature sensor 14 with water supplying pipe 18, and supply water temperature sensor 14 is set It sets in the front of water circulating pump 13, supply water temperature sensor 14 is adjacent with cooling tower 11.

The cold source controller 17 is connect by return water temperature sensor 15, flowmeter 16 with return pipe 19 respectively, return water The front of flowmeter 16 is arranged in temperature sensor 15, and return water temperature sensor 15 is adjacent with cooling tower 11.

Further, the annual operation of cold source of air conditioning system 1, predominantly 3 apoplexy water- to-water heat exchanger 31 of air treatment system and half Conductor water cooling heat exchanger 32 provides cooling water, and the heat in server cabinet 2 is taken in atmospheric environment.

Further, intelligent controller and frequency converter etc. are equipped in cold source controller 17, for in cold source of air conditioning system 1 Various device parameters, distribution is adjusted and controls, and related operating parameter is uploaded to environmental control system.

Further, server cabinet 2 waits fetchs formula server cabinet using a kind of of Patent No. 205040109U, should Cabinet is using passage of heat closing, the design of air blow and return reversed return type, and cold wind enters server seat in the plane 21 from cabinet front end, through server machine Behind position 21, hot wind is back to bottom air processing system 3 from the closing passage of heat 22 and carries out heat exchange refrigeration.

Further, in outdoor weather condition preferable winter, spring and autumn transition season, supply water temperature is lower, and heat can be complete Portion is taken away by geomantic omen heat exchanger 31 by cooling water, and in the summer that meteorological condition is poor, partial heat can be by geomantic omen heat exchanger 31 It is taken away by cooling water, remaining part can be compensated by semiconductor chilling plate 33, compensate the number of cooling capacity by air handling controller 37 controls realize that for two kinds of cold sources in switching, no valve needs open and close by the electric current of semiconductor chilling plate 33；Wherein Air handling controller 37 only exists according to wind pushing temperature sensor 36 is detected to determine whether needing to put into semiconductor refrigerating Natural cooling is not able to satisfy in the case that supply air temperature requires and just puts into semiconductor refrigerating, reaches the natural cooling of whole system Utilize time substantially extended purpose.

Further, this system has several advantages that

1. whole year uses natural cooling: whole system design eliminates compressor refrigeration instead cold source of air conditioning The air treatment system 3 of system 1 and special designing can satisfy 27 degrees Celsius in guarantee end air treatment system leaving air temp In situation below, the supply water temperature of cold source of air conditioning system 1 can be improved to 22 degrees Celsius, to improve completely cold using nature But the time of heat dissipation is completed；In outdoor weather condition preferable winter, spring and autumn transition season, only by cold source of air conditioning system 1 and sky The heat dissipation of end computer room can be completed in geomantic omen heat exchanger in gas processing system 3, and 100% utilizes natural cooling, reduces air-conditioning cold Source energy consumption；In the summer that outdoor weather condition is poor, only relying on cold source of air conditioning system 1 not can guarantee 22 degrees Celsius of water supply below Temperature, at this point, part utilizes natural cooling, a part is by the geomantic omen heat exchanger in cold source of air conditioning system 1 and air treatment system 3 The heat dissipation of end computer room is completed, rest part is freezed by the semiconductor chilling plate 33 in air treatment system 3.Due to partly leading The heat that the refrigeration of body cooling piece 33 generates also is completed to radiate by cold source of air conditioning system 1 and semiconductor water cooling heat exchanger 32, as a result, entirely Year heat dissipation is completed by cold source of air conditioning system 1.

2. installing simple and fast: electric refrigeration module being integrated in each air treatment system 3, only needs to pacify during installation Air treatment system 3 is filled, the equipment such as host, water pump, the cooling tower in original mode in refrigerating plant room and pipeline, use are reduced In the installation of the valve of switching and maintenance；Cold source of air conditioning system 1 is by closed cooling tower 11, feeding spraying pump 12, water circulating pump 13, cold source Controller 17 is integrated into modular product, in the debugging and test that manufacturer completes product, only needs to lift in use site And complete that all project installations can be completed with the adapter tube of computer room end air treatment system 3, whole system installation is simple and fast, Substantially shorten the engineering construction period.

3. at low cost: cost includes system equipment purchase cost, implements installation cost, maintenance cost, in life cycle Energy Consumption Cost.In terms of purchase cost, originally need to purchase refrigeration host computer, chilled water pump, cooling water in central air conditioner system Pump, blower fan of cooling tower, related valve member, low-voltage distribution cabinet, group control system and related transducer device are cancelled in the utility model Refrigeration host computer, chilled water pump, most valve member, group control system and related transducer device, especially host account for original and adopt Purchase 80 or more the percent of cost；In terms of implementing installation cost, described another benefit of 2 bring of advantage is just reduction of The installation auxiliary material of equipment, artificial, time cost；In terms of maintenance cost, another benefit of the reduction bring of capital equipment is exactly The equipment for needing to safeguard accordingly is reduced, the available effective control of maintenance cost；In terms of Energy Consumption Cost, the advantage 1 It is described annual using natural cooling, the energy consumption of cold source system is reduced, in the entire air conditioner refrigerating period, highest can percentage 80 or more time use natural cooling completely, 20 percent time natural cooling combines confession with semi-conductor electricity refrigeration Cold, whole system efficiency is substantially improved.

4. control system is simplified: be integrated in cold source of air conditioning system 1 by cold source controller 17 and supply water temperature biography The control system that sensor 14, return water temperature sensor 15, flowmeter 16 are constituted can be completed to cool down automatically according to outdoor weather condition Tower blower and the Energy Saving Control mutually to cut out the pump need so that entire cold source system control is simplified without any automatic valve Switch or switching；In addition, the air handling controller 37 in air treatment system 3 can be according to the wind pushing temperature sensor of detection Whether 36 automatically select semiconductor chilling plate 33 needed to freeze, and adjusts and controlled by the electric current of semiconductor chilling plate 33 Refrigerating capacity is exported, electric current minimum is adjustable to 0 ampere, at this point, radiating completely using natural cooling.

5. high reliablity: the utility model reduces device type, number of devices from design, and it is multiple to reduce system design Miscellaneous degree is to reduce system failure probability；Control system integration will be controlled into different types of equipment from control System dispersion is reduced since single control system failure causes whole system to risk of bursting.In conventional central air conditioner system, from So it is cooling with other cold sources in switching, the start and stop of the open and close or different type equipment that need to control multiple valves are realized, The complexity of control is more complicated than the method provided in the utility model, executes method of the time than providing in the utility model It is long, influence that face is bigger than the method provided in the utility model, and complexity, switching time, influence face and data center Scale is directly proportional, so reliability is lower than the method provided in the utility model.

6. cabinet grade air-conditioning is suitable for wider range of load factor section: in general, creating medium-and-large-sized data center, throw Fortune initial stage can have a period of time in underrun, at this time to ensure that refrigeration host computer can smoothly be switched on, often through increasing Add fictitious load mode to ensure certain system load rate, causes consumption of data center waste serious.Side provided by the utility model Method freely can freely be adjusted from 0 between design refrigerating capacity according to the load factor of Single Cabinet, reduce extra cooling capacity waste.

7. applicable computer room size range is wider (more than five cabinets method provided by the utility model can be used), and The data center computer room of different scales can efficient operation: in data center's conventional air conditioning system, taking cost into account, small-scale number Centralized central air-conditioning, such as the data center computer room that overall design IT load is 200 kilowatts should not be used according to center, using central hollow Tune mode is uneconomical, and installation site is also restricted.So most cases be using air-cooled direct-expansion type precision air conditioner, and it is air-cooled straight The disadvantage of swollen formula precision air conditioner maximum is exactly that efficiency is high not as good as water-cooled, and nature cannot be used cold according to Meteorological Elements in China But.Using method provided by the utility model, design IT, which is supported on tens kilowatts or more, can purchase the cold of corresponding heat dissipation capacity But tower, water pump, and semiconductor refrigerating module has been integrated in separate unit air treatment system 3, air handling controller 37 is according to institute The load of corresponding cabinet automatically adjusts supply, is not influenced by cabinet quantity and load factor, and can be as medium-and-large-sized data Center is the same to use natural cooling according to outdoor weather condition.

In conclusion the utility model is in percent 30 load factor below, efficiency is than conventional center air-conditioning system It is higher, electricity refrigeration is especially used with conventional air conditioning system compared with when become apparent from, and make full use of natural cooling, eliminate compression Mechanism cold reduces cold source of air conditioning energy consumption.

Claims (10)

1. a kind of data machine room air-conditioning system, it is characterised in that: including cold source of air conditioning system (1), server cabinet (2), air Processing system (3), cold source of air conditioning system (1), server cabinet (2), air treatment system (3) are sequentially connected；The air-conditioning cold Be equipped with cooling tower (11), feeding spraying pump (12), cold source controller (17) in source system (1), cooling tower (11) be equipped with water pump into Mouth, exit of pump, water return outlet and feed water inlet；One end of the feeding spraying pump (12) is connect with unit fixed on water pump suction, the other end and water pump Outlet connection；The cold source controller (17) is electrically connected with cooling tower (11), feeding spraying pump (12) respectively；The air-treatment Geomantic omen heat exchanger (31), semiconductor water cooling heat exchanger (32) and air handling controller (37), air-treatment are equipped in system (3) One end of system (3) is equipped with air duct import I, air duct import II, and the other end is equipped with ducting outlet；The geomantic omen heat exchanger (31) with Semiconductor water cooling heat exchanger (32) series connection, is connected with semiconductor chilling plate in the other side of semiconductor water cooling heat exchanger (32) (33), air handling controller (37) and semiconductor chilling plate (33) are electrically connected；It is logical that heat is equipped in the server cabinet (2) Road (22), the passage of heat (22) are connected to air duct import I；The water return outlet by return pipe (19) respectively with geomantic omen heat exchanger (31), semiconductor water cooling heat exchanger (32) connect, feed water inlet by water supplying pipe (18) respectively with geomantic omen heat exchanger (31), semiconductor Water cooling heat exchanger (32) connection.

2. data machine room air-conditioning system as described in claim 1, it is characterised in that: the geomantic omen heat exchanger (31), semiconductor Water cooling heat exchanger (32), semiconductor chilling plate (33) are set gradually, and semiconductor chilling plate (33) hot end and semiconductor water cooling exchange heat Device (32) is by heat conductive silica gel closely close to cold end is provided with for increasing wind and semiconductor chilling plate (33) cold end heat-delivery surface Long-pending semiconductor cool-guiding device (38), semiconductor cool-guiding device (38) by heat conductive silica gel and semiconductor chilling plate (33) closely close to, So that semiconductor water cooling heat exchanger (32), semiconductor chilling plate (33), semiconductor cool-guiding device (38) form one；

The geomantic omen heat exchanger (31), semiconductor water cooling heat exchanger (32), semiconductor chilling plate (33), semiconductor cool-guiding device (38) Positioned at air duct import II, gap is equipped on semiconductor cool-guiding device (38).

3. data machine room air-conditioning system as described in claim 1, it is characterised in that: the semiconductor water cooling heat exchanger (32) two End is respectively equipped with entery and delivery port, and the both ends of geomantic omen heat exchanger (31) are respectively equipped with inlet tube and outlet tube；Entery and delivery port and water-in and water-out Pipe is connected by three-way connector, and the entery and delivery port and inlet tube and outlet tube pass through three-way connector again and be commonly connected to water supplying pipe (18), on return pipe (19).

4. data machine room air-conditioning system as described in claim 1, it is characterised in that: also set in the air treatment system (3) Have centrifugal blower (34), centrifugal blower (34) is arranged in the side of semiconductor water cooling heat exchanger (32), air handling controller (37) it is electrically connected with centrifugal blower (34).

5. data machine room air-conditioning system as described in claim 1, it is characterised in that: air handling controller (37) power supply Positive and negative anodes connect respectively with the positive and negative anodes of semiconductor chilling plate (33), air handling controller (37) is sensed according to supply air temperature The start and stop and size of current of temperature control semiconductor chilling plate (33) of device (36).

6. data machine room air-conditioning system as described in claim 1, it is characterised in that: server cabinet (2) front end is opened wide, It is communicated with computer room, rear end is equipped with the enclosed passage of heat (22), and the side of the passage of heat (22) is equipped with server seat in the plane (21), is taking Device seat in the plane (21) rear end be engaged in equipped with baffle, allows the passage of heat (22) and server seat in the plane (21) to be formed and sends air duct back to journey.

7. data machine room air-conditioning system as described in claim 1, it is characterised in that: the air treatment system (3) is located at clothes It is engaged in immediately below device cabinet (2), the passage of heat (22) is connected to the air duct import I of air treatment system (3), before server cabinet (2) Side be provided with ventilation electrostatic floor (4), ventilation electrostatic floor (4) below be used as air supply plenum chamber (5), air supply plenum chamber (5) with Ducting outlet is adjacent.

8. data machine room air-conditioning system as described in claim 1, it is characterised in that: the air handling controller (37) passes through Return air temperature sensor (35) is connect with channel entrance II, air handling controller (37) by wind pushing temperature sensor (36) with Ducting outlet connection；

The water supplying pipe (18) is equipped with water circulating pump (13), and cold source controller (17) and water circulating pump (13) are electrically connected.

9. data machine room air-conditioning system as described in claim 1, it is characterised in that: the cold source controller (17) passes through respectively Return water temperature sensor (15), flowmeter (16) are connect with return pipe (19), and return water temperature sensor (15) is arranged in flowmeter (16) front, return water temperature sensor (15) are adjacent with cooling tower (11).

10. data machine room air-conditioning system as described in claim 1, it is characterised in that: the cold source controller (17) passes through confession Water temperature sensor (14) is connect with water supplying pipe (18), and supply water temperature sensor (14) is arranged in the front of water circulating pump (13), Supply water temperature sensor (14) is adjacent with cooling tower (11).