CN104214827A - Method for improving horizontal lateral air sending refrigeration efficiency - Google Patents
Method for improving horizontal lateral air sending refrigeration efficiency Download PDFInfo
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- CN104214827A CN104214827A CN201310219842.1A CN201310219842A CN104214827A CN 104214827 A CN104214827 A CN 104214827A CN 201310219842 A CN201310219842 A CN 201310219842A CN 104214827 A CN104214827 A CN 104214827A
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Abstract
The invention provides a method for improving horizontal lateral air sending refrigeration efficiency, and belongs to the technical field of calculating data central machine room refrigeration. The method includes the following steps of forming a refrigeration row cabinet through three STULZ CyberRow horizontal lateral air sending precise air conditioners and four high-thermal-density server cabinets by taking local-high-heat local processing as the thought, making the precise air conditioners run with two in one set and the other one in the other set when fully loaded, sending air from the single side, namely, the air conditioners at the two ends, of the CyberRow or the two sides, namely, the middle air conditioner, of the CyberRow, and closing air sending spaces and air return spaces of the precise air conditioners and the server cabinets to form independent passageways respectively through closing assemblies so that cold air flow and hot air flow which are generated by the row cabinet can be prevented from flowing and being sent to other areas of the machine room. The row cabinet closing assemblies are customized air flow loop assemblies matched with the server cabinets and the precise air conditioners on the machine room site. Due to the air sending spaces and the air return spaces of the closing assemblies, cold air or hot air is prevented from overflowing, and refrigeration efficiency is improved. The closing assemblies are detachably connected with the server cabinets.
Description
Technical field
The present invention relates to a kind of method of side feeding refrigerating efficiency of improving the standard, belong to and calculate data center machine room refrigeration technology field.
Background technology
Machine room Single-Server rack load average 3kw/ rack in the past, cabinet arrangement adopts the mode of queuing up, and machine room refrigeration adopts traditional precision air conditioner equipment, and cold and hot passage is not separated, and cold and hot gas and vapor permeation, loss of refrigeration capacity is serious.Refrigerating efficiency is lower.
Along with the use of high heat density blade server cluster, machine room regional area thermic load reaches 13KW/ rack.Tradition machine room refrigeration modes (under-floor air supply, ceiling return air) can not solve heat dissipation problem. and the problem of the high heat density in building environment local has become a great problem of high-performance calculation data center.
The air current composition mode of traditional under-floor air supply and neat face-to-face, the back-to-back cabinet arrangement mode of outward appearance cannot solve the refrigeration demand of high density rack (>5kW/ rack).Along with the development of IT technology application, rack power density is increasing, and the air output of needs also sharply increases accordingly.There is restriction (the air outlet floor sectional area of physical size in the effective air-out area due to the air outlet on under-floor air supply sectional area and floor, through-hole rate), the problem that Single Cabinet load is less than 5KW can only be solved, the high heat density problem (Single Cabinet load 13KW) that machine room brings after adopting blade server.Traditional refrigeration modes can not meet the demand of high heat density.
Summary of the invention
In order to overcome the deficiencies in the prior art, the invention provides a kind of method of side feeding refrigerating efficiency of improving the standard.
Object of the present invention solves for employing horizontal side feeding row rack precision air conditioner the refrigeration by-pass flow and circulation problem that server cabinet in a row (Single Cabinet 13KW load) produces, with the high hot Local treatment in local for thinking, the row's of employing rack refrigeration closed component, isolate high heat density server cabinet and building environment, optimization airflow tissue, improve machine room refrigerating efficiency, reduce machine room PUE value.
A kind of method of side feeding refrigerating efficiency of improving the standard, with the high hot Local treatment in local for thinking, by three STULZ CyberRow horizontal side feeding precision air conditioners with 4 high heat density server cabinet composition refrigeration row racks, precision air conditioner runs by full load 2+1 mode, system redundancy air-conditioning; Air-supply is sent from one-sided (the two ends air-conditioning) or both sides (middle air-conditioning) of CyberRow, close as independent passage with closed component respectively by the air-supply of precision air conditioner and server cabinet and return air space, the hot and cold air that the row's of avoiding rack produces delivers to other regions of machine room; There is not the short circulation of air-flow in such cold wind, hot blast, precision air conditioner most effective; Very well, reliability is very high for backup between equipment and redundancy.
Row's rack closed component is and server cabinet and the precision air conditioner gas flow loop assembly in the on-the-spot supporting customization of machine room, is made up of cabinet framework, visual cabinet door (originally the door of rack or organic glass door).
Close the air-supply space of unit and return air space, prevent cold wind or hot blast excessive, improve refrigerating efficiency.
Be connected with server cabinet, employing removably connects.
With high heat density rack and horizontal blast precision air conditioner for unit is separated, the maintenance of equipment within machine cabinet and the maintenance work of precision air conditioner can be carried out easily.
The row's of employing rack closed component closes hot and cold passage, optimizes air current composition, efficiently avoid the generation of by-pass flow and circulation.
After closing the cold passage in front portion of refrigeration row rack, the cold that air conditioner refrigerating produces all is closed in cold passage, and most cold is absorbed by the server apparatus in rack, and rack occurs that the probability of hot-spot declines.The leaving air temp of passage of heat server is lower, and so the return air temperature of air-conditioning also can correspondingly reduce, and the compressor of air-conditioning or blower fan can derate operate, and are to a certain degree reducing the electrical power consumed of cooling system.Therefore, close cold passage and be conducive to the energy-conservation of cooling system, reduce the refrigeration factor CLF of refrigeration system, also just reduce the PUE value of whole machine room.
After closing the rear portion passage of heat of refrigeration row rack, the hot-air that server produces can only be introduced precision air conditioner built-in system by the return air channel of sealing by the air-returning device of precision air conditioner (back door) and complete heat exchange.The passage of heat and building environment are isolated, and the hot-air avoiding high heat density server cabinet to produce mixes with building environment air, reduce the live load of local high hot freeze to the machine room imbalance caused, reduction precise machine room air conditioner.
The row's of employing rack closed component closes hot and cold passage, be a kind of reasonably in high heat density solution, but initial outlay is large, needs on-site customization, and construction is complicated.
By checking, related data contrast is as follows:
As can be seen from the above table, not closed channel or only closed cold passage or the passage of heat, warm and cold air all can have certain by-pass flow to produce, and air-conditioning cannot efficiently work, and relies on building environment or increases machine room load.
And after closing hot and cold passage, the loop of hot and cold air-flow is the shortest simultaneously, produce without by-pass flow or circulation, avoid air mixing, compressor of air conditioner or blower fan export as required, the sustainable load that dynamically adapts to, and save energy consumption.
Present invention optimizes cooling flow, solve machine room height heat density problem, achieve the operation of machine room high efficient and reliable.
According to the feature of horizontal side to air supply air-conditioner, adopt the anterior cold channel enclosed 20 centimeters of rack, the back passage of heat closes the mode of 60 centimeters.Maximum shortening air current composition loop, air is isolated, and makes refrigeration arrange rack air current composition optimization.
Accompanying drawing explanation
When considered in conjunction with the accompanying drawings, by referring to detailed description below, more completely can understand the present invention better and easily learn wherein many adjoint advantages, but accompanying drawing described herein is used to provide a further understanding of the present invention, form a part of the present invention, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention, as schemed wherein:
Fig. 1 closes air current composition schematic diagram before unit;
Fig. 2 closes air current composition schematic diagram after unit.
Below in conjunction with drawings and Examples, the present invention is further described.
Detailed description of the invention
Obviously, the many modifications and variations that those skilled in the art do based on aim of the present invention belong to protection scope of the present invention.
Embodiment 1: as shown in Figure 1 and Figure 2,
A kind of method of side feeding refrigerating efficiency of improving the standard, the situation of horizontal side feeding refrigeration row rack not closed channel, solve the machine room heat dissipation problem of higher thermal density, but air-conditioning still can produce by-pass flow and circulation causes waste, and cause the non-equilibrium effect of building environment refrigeration layout.Row's rack have employed closed component and closes cold and hot access diagram, and cold for front portion passage and the rear portion passage of heat are closed independent isolating by which respectively, solve the problem of by-pass flow and circulation, avoid the impact on building environment.Improve refrigerant system efficiency, reduce PUE value.
As mentioned above, embodiments of the invention are explained, but as long as do not depart from inventive point of the present invention in fact and effect can have a lot of distortion, this will be readily apparent to persons skilled in the art.Therefore, such variation is also all included within protection scope of the present invention.
Claims (1)
1. to improve the standard the method for side feeding refrigerating efficiency, it is characterized in that containing following steps; With the high hot Local treatment in local for thinking, by three STULZ CyberRow horizontal side feeding precision air conditioners with 4 high heat density server cabinet composition refrigeration row racks, precision air conditioner runs by full load 2+1 mode, system redundancy air-conditioning;
Air-supply is sent from one-sided (the two ends air-conditioning) or both sides (middle air-conditioning) of CyberRow, close as independent passage with closed component respectively by the air-supply of precision air conditioner and server cabinet and return air space, the hot and cold air that the row's of avoiding rack produces delivers to other regions of machine room; There is not the short circulation of air-flow in such cold wind, hot blast, precision air conditioner most effective; Very well, reliability is very high for backup between equipment and redundancy;
Row's rack closed component is and server cabinet and the precision air conditioner gas flow loop assembly in the on-the-spot supporting customization of machine room, is made up of cabinet framework, visual cabinet door (originally the door of rack or organic glass door);
Close the air-supply space of unit and return air space, prevent cold wind or hot blast excessive, improve refrigerating efficiency;
Be connected with server cabinet, employing removably connects;
With high heat density rack and horizontal blast precision air conditioner for unit is separated, carry out the maintenance of equipment within machine cabinet and the maintenance work of precision air conditioner;
The row's of employing rack closed component closes hot and cold passage, optimizes air current composition, efficiently avoid the generation of by-pass flow and circulation;
After closing the cold passage in front portion of refrigeration row rack, the cold that air conditioner refrigerating produces all is closed in cold passage, and most cold is absorbed by the server apparatus in rack, and rack occurs that the probability of hot-spot declines; The leaving air temp of passage of heat server is lower, and so the return air temperature of air-conditioning also can correspondingly reduce, and the compressor of air-conditioning or blower fan can derate operate, and are to a certain degree reducing the electrical power consumed of cooling system; Close cold passage and be conducive to the energy-conservation of cooling system, reduce the refrigeration factor CLF of refrigeration system, also just reduce the PUE value of whole machine room;
After closing the rear portion passage of heat of refrigeration row rack, the hot-air that server produces can only be introduced precision air conditioner built-in system by the return air channel of sealing by the air-returning device of precision air conditioner (back door) and complete heat exchange; The passage of heat and building environment are isolated, and the hot-air avoiding high heat density server cabinet to produce mixes with building environment air, reduce the live load of local high hot freeze to the machine room imbalance caused, reduction precise machine room air conditioner.
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| CN201310219842.1A CN104214827A (en) | 2013-06-05 | 2013-06-05 | Method for improving horizontal lateral air sending refrigeration efficiency |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104703445A (en) * | 2015-03-25 | 2015-06-10 | 北京德能恒信科技有限公司 | Data center |
| CN105892597A (en) * | 2016-04-01 | 2016-08-24 | 浪潮电子信息产业股份有限公司 | Server cluster cpu heat radiating system |
| WO2017016217A1 (en) * | 2015-07-28 | 2017-02-02 | 中兴通讯股份有限公司 | Mounting support and computer room |
| CN106385784A (en) * | 2016-09-26 | 2017-02-08 | 中国科学院广州能源研究所 | Heat dissipation and cooling method for high-heat density cabinets in data center |
| CN107148198A (en) * | 2017-06-09 | 2017-09-08 | 中国科学院广州能源研究所 | A kind of data center's cabinet-level optimizes refrigeration system |
| CN107454796A (en) * | 2017-06-20 | 2017-12-08 | 深圳市艾特网能技术有限公司 | Energy-conserving refrigeration system and energy-conservation refrigerating method |
| CN107816770A (en) * | 2017-11-23 | 2018-03-20 | 恒泰艾普集团股份有限公司 | Computer room point refrigeration system |
| CN112788930A (en) * | 2021-02-04 | 2021-05-11 | 广东海悟科技有限公司 | Air supply equipment, refrigerating system and communication cabinet system |
| CN113739267A (en) * | 2021-09-10 | 2021-12-03 | 贵州绿云科技有限公司 | Full-time natural cooling integrated cabinet-level air conditioner |
| CN114828592A (en) * | 2022-05-31 | 2022-07-29 | 无锡环宇电气有限责任公司 | Engineering equipment high power density rack cold-storage air current organization optimization structure |
| CN116963467A (en) * | 2023-07-28 | 2023-10-27 | 中国电信股份有限公司技术创新中心 | Energy-saving temperature regulating device, temperature regulating system, temperature regulating method of temperature regulating system and machine room |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104703445B (en) * | 2015-03-25 | 2017-07-07 | 北京丰联奥睿科技有限公司 | A kind of data center |
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| WO2017016217A1 (en) * | 2015-07-28 | 2017-02-02 | 中兴通讯股份有限公司 | Mounting support and computer room |
| CN105892597A (en) * | 2016-04-01 | 2016-08-24 | 浪潮电子信息产业股份有限公司 | Server cluster cpu heat radiating system |
| CN106385784B (en) * | 2016-09-26 | 2018-09-28 | 中国科学院广州能源研究所 | A kind of radiation cooling method for the high heat density cabinet of data center |
| CN106385784A (en) * | 2016-09-26 | 2017-02-08 | 中国科学院广州能源研究所 | Heat dissipation and cooling method for high-heat density cabinets in data center |
| CN107148198A (en) * | 2017-06-09 | 2017-09-08 | 中国科学院广州能源研究所 | A kind of data center's cabinet-level optimizes refrigeration system |
| CN107148198B (en) * | 2017-06-09 | 2023-07-25 | 中国科学院广州能源研究所 | Data center cabinet level optimizing refrigeration system |
| CN107454796A (en) * | 2017-06-20 | 2017-12-08 | 深圳市艾特网能技术有限公司 | Energy-conserving refrigeration system and energy-conservation refrigerating method |
| CN107454796B (en) * | 2017-06-20 | 2023-11-10 | 深圳市艾特网能技术有限公司 | Energy-saving refrigeration system and energy-saving refrigeration method |
| CN107816770A (en) * | 2017-11-23 | 2018-03-20 | 恒泰艾普集团股份有限公司 | Computer room point refrigeration system |
| CN112788930A (en) * | 2021-02-04 | 2021-05-11 | 广东海悟科技有限公司 | Air supply equipment, refrigerating system and communication cabinet system |
| CN113739267A (en) * | 2021-09-10 | 2021-12-03 | 贵州绿云科技有限公司 | Full-time natural cooling integrated cabinet-level air conditioner |
| CN114828592A (en) * | 2022-05-31 | 2022-07-29 | 无锡环宇电气有限责任公司 | Engineering equipment high power density rack cold-storage air current organization optimization structure |
| CN114828592B (en) * | 2022-05-31 | 2024-03-05 | 无锡环宇电气有限责任公司 | High-power density cabinet cold-storage airflow organization optimization structure of engineering equipment |
| CN116963467A (en) * | 2023-07-28 | 2023-10-27 | 中国电信股份有限公司技术创新中心 | Energy-saving temperature regulating device, temperature regulating system, temperature regulating method of temperature regulating system and machine room |
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Application publication date: 20141217 |
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