CN203323288U - Super-thin-wall type refrigeration system for data center - Google Patents
Super-thin-wall type refrigeration system for data center Download PDFInfo
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- CN203323288U CN203323288U CN2013203960297U CN201320396029U CN203323288U CN 203323288 U CN203323288 U CN 203323288U CN 2013203960297 U CN2013203960297 U CN 2013203960297U CN 201320396029 U CN201320396029 U CN 201320396029U CN 203323288 U CN203323288 U CN 203323288U
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Abstract
The utility model discloses a super-thin-wall type refrigeration system for a data center, which solves the problem in the prior art that the high energy consumption of the air-conditioning system in the data center, which causes increased operation cost in the data center. The super-thin-wall type refrigeration system for the data center comprises a refrigeration system, air conditioning wall mechanisms which are connected to the refrigeration system and positioned within a computer room, and a power system for providing power for operating the super-thin-wall refrigeration system. The air-conditioning wall mechanism comprises an air-conditioning wall main body consisting of at least one air-conditioning wall unit (1) which is connected to the refrigeration system, and fans (2) which absorb heat air generated within the computer room into the air-conditioning wall unit (1) for cooling and blow the cooled air back into the computer room. The super-thin-wall type refrigeration system for the data center is reasonable in design, high in heat exchange efficiency, small in occupied space and is applicable to generalization.
Description
Technical field
The utility model belongs to air-conditioning technical field, specifically, relates to the ultra-thin wall type refrigeration system of a kind of data center.
Background technology
IDC data center, as the important carrier of the industrial application of information technology, provides information data storing and information system operation platform to support, and is the keystone resources that advances the development of generation information technical industry.Data according to the professor Ao Neisang G Ku Muni of Stanford University shows, within 2010, global data center power consumption has reached 1,988 hundred million surprising kilowatt hours, account for 1.1% to 1.5% of global generated energy, and, in the U.S. that has the mass data center, this ratio has reached 1.7%-2.2%.2011, China data center total power consumption reached 70,000,000,000 kilowatt hours, has accounted for 1.5% of Analyzing Total Electricity Consumption, was equivalent to the total electricity consumption of Tianjin whole year in 2011.
Therefore, continue and the operation cost that effectively reduces data center has become the task of top priority.Air-conditioning system is for to the processing of lower the temperature of data center, is one of the condition of the high-efficiency operation of maintenance data center; Yet, in prior art, the air conditioning energy consumption of data center is very high, it accounts for 30 ~ 45% of data center's total energy consumption, and then causes the PUE of data center value (data center's total energy consumption/information technoloy equipment energy consumption) high, has increased the operation cost of data center.
The air-conditioning system of constantly opening up economizing on energy and electricity has been listed the strategic innovation and development planning of manufacturer and operator of data center in, look for power-saving technology innovative, that there is development and market application foreground, reduce air conditioning energy consumption, and then the reduction PUE of data center value (data center's total energy consumption/information technoloy equipment energy consumption) becomes the problem that each air-conditioning manufacturer must consider.
The utility model content
The purpose of this utility model is to overcome above-mentioned defect, and the ultra-thin wall type refrigeration system of data center of a kind of compact conformation, efficient energy-saving is provided.
To achieve these goals, the technical solution adopted in the utility model is as follows:
The ultra-thin wall type refrigeration system of data center, comprise refrigeration mechanism, is connected with this refrigeration mechanism and is arranged at the air-conditioning wall mechanism in machine room, and providing the dynamical system of power for the ultra-thin wall type refrigeration system operation of described data center.
Specifically, described air-conditioning wall mechanism comprises the air-conditioning wall main body that the air-conditioning wall unit that is connected with refrigeration mechanism by least one forms, and the hot-air produced in machine room is sucked to air-conditioning wall unit carries out cooling and cooled cold air is sent into to the blower fan in machine room again.
In order to save the space of data center machine room, in one embodiment, described blower fan and air-conditioning wall unit are corresponding and be arranged at the floor board for machine room inside of below, air-conditioning wall unit one by one.Floor board for machine room is electrostatic floor, and cold air forms one " plenum chamber " under electrostatic floor, makes air-supply more uniform and stable.
In order to realize regulating rotation speed of fan to reach energy-conservation purpose according to the Indoor Thermal load variations, as a kind of optimal way, described blower fan is the EC adjustable speed fan.
Further, described air-conditioning wall unit comprises with refrigeration mechanism and being connected, becoming one is the refrigerated heat exchanger of wall shape, and this refrigerated heat exchanger top directly or indirectly contacts with the machine room ceiling, and its bottom directly contacts with floor board for machine room; Air-conditioning wall main body is the wall shape and closely is connected and forms side by side by all air-conditioning walls unit, and one of them wall of air-conditioning wall main body is towards machine room inside, its upper and lower both sides and machine room wall close contact.Air-conditioning wall unit or air-conditioning wall main body adopt without the rack design, and refrigerated heat exchanger directly contacts with air, and the heat exchanger by wall directly carries out cooling to hot-air, to obtain best heat exchange efficiency.
In one embodiment, described refrigerated heat exchanger is heat exchange coil.Heat exchange coil is comprised of High Efficency Heat Exchanging Copper Tube, and some High Efficency Heat Exchanging Copper Tube heat exchange coils constitute the air-conditioning wall unit of wall shape structure, then by some air-conditioning wall unit combination, forms air-conditioning wall main body.
Further, described refrigeration mechanism comprises cooling tower and the screw-type water chiller that is interconnected and forms closed circuit; This screw-type water chiller also is interconnected and forms closed circuit with air-conditioning wall unit.The chilled water that screw-type water chiller is low temperature by the water cooling of high temperature also is delivered in air-conditioning wall unit, hot-air and air-conditioning wall unit in machine room carry out heat exchange, its internal cooling water heat absorption heats up and becomes the water of high temperature, then get back to screw-type water chiller, the bolt cold water unit carries out cooling to high-temperature water according to the steam compression type refrigeration principle, complete circulation.In this process, cooling tower carries out coolingly to bolt cold water unit condenser, guarantees that refrigeration system can normal circulation.
In order to reach better control effect, between described screw-type water chiller and air-conditioning wall unit, also be provided with the flow control valve that enters air-conditioning wall unit inner cold water flow for adjusting.
In one embodiment, the ultra-thin wall type refrigeration system of data center also comprises for detection of return air temperature in machine room, humidity value and according to the size adjustment rotation speed of fan of machine room thermic load and the control system of Flow-rate adjustment valve opening, as a kind of preferred, the control method of this control system is the combination that fuzzy control and PID control.The variation of the real-time monitoring environment humiture of control system, and predict the variation of temperature, humidity in data center machine room in the next time cycle, thus control the aperture of rotation speed of fan and flow control valve, realize the accurate control to temperature, humidity.
In order better to realize the utility model, on the basis of said structure, the ultra-thin wall type refrigeration system of data center also comprises and being communicated with refrigeration mechanism and for the expansion tank of moisturizing.
Design principle of the present utility model: adopt without cabinet type design, formed the air-conditioning wall main body of wall shape by some refrigerated heat exchangers that directly contact with air, this air-conditioning wall main body and solid wall, floor and ceiling form a concentrated refrigerated air-conditioning system, the hot-air that the machine room server cabinet distributes is sucked the air-conditioning wall by blower fan, on the air-conditioning wall with chilled water generation heat exchange, after being cooled to cold air, then send into machine room inside by blower fan, the machine room server is freezed.
Compared with prior art, the beneficial effects of the utility model are:
(1) the utility model has been abandoned the traditional cooling thinking of air conditioner in machine room of data center, a kind of wall refrigeration of novel concept is proposed, adopt without cabinet type design, formed the air-conditioning wall main body of wall shape by some refrigerated heat exchangers that directly contact with air, refrigerated heat exchanger adopts centralized layout, central controlled pattern, by air-conditioning wall main body, to machine room, directly carry out cooling, the unique design of air-conditioning wall, heat exchanger surface and machine room internal gas flow are organized very even, heat exchange efficiency is significantly improved, realize that heat exchange maximizes design, machine room unit are refrigerating capacity obtains maximizing and promotes, thereby effectively reduced the PUE of data center value, on the other hand, the air-conditioning wall adopts without cabinet type design, and floor space significantly reduces more than 50%, and the space availability ratio of machine room is improved significantly.
(2) in the utility model, blower fan sinks to designing, it is arranged on the floor board for machine room inside of below, air-conditioning wall unit, on the one hand, for data center has saved space, on the other hand, floor board for machine room is electrostatic floor, and cold air forms one " plenum chamber " under electrostatic floor, makes air-supply more uniform and stable.
(3) in the utility model, air-conditioning wall main body is is closely connected and composed by some air-conditioning walls unit, different configurations can be realized in each air-conditioning wall unit, to realize being applicable to the cooling requirement of any large small room, and blocking (modularization) Design Mode of air-conditioning wall main body, make its mounting means very flexible, safeguard very easy.
(4) in the utility model, blower fan adopts the EC adjustable speed fan, according to Indoor Thermal Load Regulation rotation speed of fan, thereby realizes the energy-efficient of unit.
(5) in the utility model, control system adopts fuzzy control and PID control technology, the variation of monitoring environment humiture in real time, and predict the variation of data center's humiture in the next time cycle, thereby come rotation speed of fan and the valve member aperture of control system, overcome the problems such as poor in timeliness, the hysteresis quality of traditional control technology be strong, realized the accurate control of humiture.
(6) the utility model arranges flow control valve, and control system can enter by the Flow-rate adjustment valve regulation cooling water flow of air-conditioning wall according to the temperature, the humidity that detect, regulates rotation speed of fan in conjunction with control system simultaneously, realizes the energy-saving run of whole data center.
(7) adopt the computer joint control in the utility model between each air-conditioning modular walls.The humiture detector detects the room humiture in real time, thereby controls the unlatching quantity of air-conditioning wall, realizes the overall monitor of machine room and energy-conservation.
The accompanying drawing explanation
Fig. 1 is structure principle chart of the present utility model.
Fig. 2 is scheme of installation of the present utility model.
The structural representation that Fig. 3 is air-conditioning wall main body in the utility model.
Wherein, the corresponding title of Reference numeral: 1-air-conditioning wall unit, 2-blower fan, 3-cooling tower, 4-screw-type water chiller, 5-expansion tank, 6-data center server.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.Embodiment of the present utility model includes but not limited to the following example.
Embodiment
In prior art, the air-conditioning of data center machine room must form an integral body by rack, not only consume energy high, heat exchange efficiency is low, and area occupied is large, causes the data center machine room space availability ratio low.In order to overcome above-mentioned defect, the present embodiment provides a kind of data center ultra-thin wall type refrigeration system, as shown in Figures 1 to 3, this air-conditioning wall adopts without cabinet type design, will directly with air, contact for the parts of heat exchange refrigeration, on the one hand simultaneously, utilize the heat exchange efficiency of this air-conditioning wall refrigeration to be significantly improved, realize that heat exchange maximizes design, machine room unit are refrigerating capacity obtains maximizing and promotes, thereby has effectively reduced the PUE of data center value; On the other hand, the floor space of air-conditioning wall significantly reduces, and has improved the space availability ratio of machine room.
In order to make those skilled in the art, to structure of the present utility model, awareness and understanding more clearly be arranged, below be described in detail:
The ultra-thin wall type refrigeration system of data center mainly comprises refrigeration mechanism, air-conditioning wall mechanism and dynamical system three parts.
Air-conditioning wall mechanism comprises the air-conditioning wall main body that the air-conditioning wall unit 1 that is connected with refrigeration mechanism by least one forms, and the hot-air produced in machine room is sucked to air-conditioning wall unit 1 carries out cooling and cooled cold air is sent into to the blower fan 2 in machine room again; Usually, air-conditioning wall main body is by some air-conditioning wall cell formations, and its blocking (modularization) design makes air-conditioning wall main body mounting means very flexible, safeguards very easy.Further, in order to save the space of data center machine room, in the present embodiment, blower fan and air-conditioning wall unit are corresponding and be arranged at the floor board for machine room inside of below, air-conditioning wall unit one by one.Floor board for machine room is electrostatic floor, and cold air forms one " plenum chamber " under electrostatic floor, thereby makes the air-supply of blower fan more uniform and stable.The blower fan of tradition air conditioner in machine room adopts the AC blower fan usually, and blower fan is fixed rotating speed, even machine room internal heat load variations, the rotating speed of blower fan but can not change, not only can't effectively for different situations, be regulated, and cause the equipment power consumption to increase, therefore, as a kind of preferred version, in the present embodiment, blower fan is selected the EC adjustable speed fan.
Air-conditioning wall unit 1 comprises with refrigeration mechanism and being connected, becoming one is the refrigerated heat exchanger of wall shape, and this refrigerated heat exchanger top directly or indirectly contacts with the machine room ceiling, and its bottom directly contacts with floor board for machine room; Air-conditioning wall main body is the wall shape and closely is connected and forms side by side by all air-conditioning walls unit 1, and one of them wall of air-conditioning wall main body is towards machine room inside, its both sides and machine room wall close contact.As a kind of preferred, refrigerated heat exchanger is heat exchange coil.
Refrigeration mechanism comprises cooling tower 3 and the screw-type water chiller 4 that is interconnected and forms closed circuit; This screw-type water chiller 4 also is interconnected and forms closed circuit with air-conditioning wall unit 1, further, refrigeration mechanism also is connected with the expansion tank 5 for moisturizing, and specifically, these expansion tank 5 one ends are communicated with running water pipe, the other end is communicated with screw-type water chiller.
The course of work of the present utility model is as follows: as shown in Figure 2, after freezing by screw-type water chiller, the water that temperature is higher enters in the heat exchange coil of air-conditioning wall unit, the blower fan that is positioned at below, air-conditioning wall unit sucks the hot-air of machine room data center server 6 generations on air-conditioning wall unit, hot-air carries out heat exchange with heat exchange coil on air-conditioning wall unit, thereby the formation cold air, cold air is sent in machine room and is carried out cooling to the data central server by blower fan again; After carrying out the cooling water heating after heat exchange, get back to screw-type water chiller, enter next kind of refrigeration cycle.Simultaneously cooling tower the condenser of screw-type water chiller is carried out cooling, to guarantee the normal operation of refrigeration system; In Fig. 2, upper arrow means the hot-air direction that flows, and the below arrow means the flow of cold air direction.Heat exchange coil is further, as shown in Figure 1, screw-type water chiller and cooling tower form a closed circuit by water inlet pipe and return duct, screw-type water chiller and air-conditioning wall unit form a closed circuit by other water inlet pipe and return duct, between screw-type water chiller and air-conditioning wall unit, also are provided with the flow control valve that enters air-conditioning wall unit inner cold water flow for adjusting.The represented parts of other symbol in Fig. 1 are the common parts in existing pipeline transportation, and therefore, the present embodiment does not repeat.
On the basis of said structure, the present embodiment also comprises for detection of return air temperature in machine room, humidity value and according to size adjustment blower fan 2 rotating speeds of machine room thermic load and the control system of Flow-rate adjustment valve opening.As preferably, the control method of this control system is the combination that fuzzy control and PID control, fuzzy control and PID control technology, the variation of monitoring environment humiture in real time, and predict the variation of data center's humiture in the next time cycle, thereby come rotation speed of fan and the valve member aperture of control system, overcome the problems such as poor in timeliness, the hysteresis quality of traditional control technology be strong, realize the accurate control of humiture.
Energy-saving effect of the present utility model is far above traditional air-conditioning of data center machine room, and Data Comparison is as follows: take an area as 600 square metres (20mx30m), the very large machine room of server density are experimental subjects, adopt two kinds of cooling schemes are arranged:
Scheme one:
Adopt traditional machine room refrigeration system---6 of the air conditioner in machine room that refrigerating capacity is 150kW, single air conditioner size 2550x850x1980mm;
Scheme two:
Adopt the ultra-thin wall type refrigeration system of 7 groups of air-conditioning wall cell formations, 6 total 2550x120x2400mm that are of a size of in air-conditioning wall unit wherein, 1 air-conditioning wall unit is of a size of 1700x120x2400, through test, draws following result, as shown in table 1:
| Project | The tradition air conditioner in machine room | Ultra-thin wall type refrigeration system |
| The inlet air humiture | 24℃/50%RH | 24℃/50%RH |
| The Inlet and outlet water temperature | 7℃/12℃ | 7℃/12℃ |
| The heat exchanger face velocity | 2.24 | 2.24m/s |
| The |
5 | 5 |
| Unit group/mono heat exchanger refrigerating capacity | 150kW | 210kW/148kW |
| The |
3*6=18 | 6*7+4=46 |
| Power of fan | 18*2=36kW | 46*1.3=59.8kW |
| Total refrigerating capacity | 6x150kW=900kW | 7*210+148=1628kW |
| COP | 25 | 27.2 |
| Air quantity (identical wind speed) | 6*27000=162000m 3/h | 7*42480+27000=300060m 3/h |
| Machine room area | 600m 2 | 600m 2 |
| The air-conditioning equipment floor space | 35.6m 2 | 19m 2 |
| Machine room unit are refrigerating capacity | 1.5kW/m 2 | 2.71 kW/m 2 |
Table 1
By table 1, drawn: the utility model is compared with traditional air conditioner in machine room, and machine room unit are refrigerating capacity promotes: (2.71-1.5)/1.5=80.89%.By above test data, can draw: in limited machine room space, use the utility model refrigeration, its refrigerating efficiency is far longer than traditional air conditioner in machine room, and Energy Efficiency Ratio is also higher than traditional air conditioner in machine room.
According to above-described embodiment, just can realize well the utility model.What deserves to be explained is; under prerequisite based on above-mentioned design principle; for solving same technical problem; even some that make on architecture basics disclosed in the utility model are without substantial change or polishing; the essence of the technical scheme adopted is still the same with the utility model, therefore it also should be in protection domain of the present utility model.
Claims (10)
1. the ultra-thin wall type refrigeration system of data center, is characterized in that, comprises refrigeration mechanism, is connected with this refrigeration mechanism and is arranged at the air-conditioning wall mechanism in machine room, and providing the dynamical system of power for the ultra-thin wall type refrigeration system operation of described data center.
2. the ultra-thin wall type refrigeration system of data center according to claim 1, it is characterized in that, described air-conditioning wall mechanism comprises the air-conditioning wall main body that the air-conditioning wall unit (1) that is connected with refrigeration mechanism by least one forms, and the hot-air produced in machine room is sucked to air-conditioning wall unit (1) carries out cooling and cooled cold air is sent into to the blower fan (2) in machine room again.
3. the ultra-thin wall type refrigeration system of data center according to claim 2, is characterized in that, described blower fan (2) and air-conditioning wall unit (1) are corresponding and be arranged at the floor board for machine room inside of below, air-conditioning wall unit (1) one by one.
4. the ultra-thin wall type refrigeration system of data center according to claim 3, is characterized in that, described blower fan (2) is the EC adjustable speed fan.
5. the ultra-thin wall type refrigeration system of data center according to claim 2, it is characterized in that, described air-conditioning wall unit (1) comprises with refrigeration mechanism and being connected, becoming one is the refrigerated heat exchanger of wall shape, this refrigerated heat exchanger top directly or indirectly contacts with the machine room ceiling, and its bottom directly contacts with floor board for machine room; Air-conditioning wall main body is the wall shape and closely is connected and forms side by side by all air-conditioning walls unit (1), and one of them wall of air-conditioning wall main body is towards machine room inside, its both sides and machine room wall close contact.
6. the ultra-thin wall type refrigeration system of data center according to claim 5, is characterized in that, described refrigerated heat exchanger is heat exchange coil.
7. according to the ultra-thin wall type refrigeration system of the described data center of claim 5 or 6, it is characterized in that, described refrigeration mechanism comprises cooling tower (3) and the screw-type water chiller (4) that is interconnected and forms closed circuit; This screw-type water chiller (4) also is interconnected and forms closed circuit with air-conditioning wall unit (1).
8. the ultra-thin wall type refrigeration system of data center according to claim 7, is characterized in that, between described screw-type water chiller (4) and air-conditioning wall unit (1), also is provided with the flow control valve that enters air-conditioning wall unit (1) inner cold water flow for adjusting.
9. the ultra-thin wall type refrigeration system of data center according to claim 8, is characterized in that, also comprises for detection of return air temperature in machine room, humidity value and according to size adjustment blower fan (2) rotating speed of machine room thermic load and the control system of Flow-rate adjustment valve opening.
10. the ultra-thin wall type refrigeration system of data center according to claim 8 or claim 9, is characterized in that, also comprises with refrigeration mechanism, being communicated with and for the expansion tank (5) of moisturizing.
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| CN2013203960297U CN203323288U (en) | 2013-07-04 | 2013-07-04 | Super-thin-wall type refrigeration system for data center |
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| CN2013203960297U CN203323288U (en) | 2013-07-04 | 2013-07-04 | Super-thin-wall type refrigeration system for data center |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103307684A (en) * | 2013-07-04 | 2013-09-18 | 四川依米康环境科技股份有限公司 | Data center air conditioning wall |
| CN103747663A (en) * | 2014-02-18 | 2014-04-23 | 四川依米康环境科技股份有限公司 | Control and refrigeration device and server cabinet integrated data computer room |
| CN105571026A (en) * | 2016-01-18 | 2016-05-11 | 大连国霖技术有限公司 | Cold wall cooling device for data center |
| CN109506344A (en) * | 2018-10-15 | 2019-03-22 | 平安科技（深圳）有限公司 | Control method, device and the electronic equipment of air conditioner refrigerating amount |
-
2013
- 2013-07-04 CN CN2013203960297U patent/CN203323288U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103307684A (en) * | 2013-07-04 | 2013-09-18 | 四川依米康环境科技股份有限公司 | Data center air conditioning wall |
| CN103307684B (en) * | 2013-07-04 | 2015-12-02 | 四川依米康环境科技股份有限公司 | Data center's air-conditioning wall |
| CN103747663A (en) * | 2014-02-18 | 2014-04-23 | 四川依米康环境科技股份有限公司 | Control and refrigeration device and server cabinet integrated data computer room |
| CN105571026A (en) * | 2016-01-18 | 2016-05-11 | 大连国霖技术有限公司 | Cold wall cooling device for data center |
| CN109506344A (en) * | 2018-10-15 | 2019-03-22 | 平安科技（深圳）有限公司 | Control method, device and the electronic equipment of air conditioner refrigerating amount |
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