CN104981136A - Large data integrated machine heat radiation cabinet based on power application - Google Patents

Large data integrated machine heat radiation cabinet based on power application Download PDF

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Publication number
CN104981136A
CN104981136A CN201510428828.1A CN201510428828A CN104981136A CN 104981136 A CN104981136 A CN 104981136A CN 201510428828 A CN201510428828 A CN 201510428828A CN 104981136 A CN104981136 A CN 104981136A
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cabinet
storage server
fan
power
large data
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CN201510428828.1A
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CN104981136B (en
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丁书耕
张建辉
王刚
王震
陈亮
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Shandong Luruan Digital Technology Co Ltd
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Shandong Luneng Software Technology Co Ltd
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Abstract

The present invention provides a large data integrated machine heat radiation cabinet based on a power application. The cabinet comprises a cabinet body, an external server, one or more substation equipment measuring point sensors, one or more lower calculation storage servers arranged at the lower part of the cabinet body, and a power supply module and a Gigabit management network module arranged in the middle part of the cabinet body. The cabinet also comprises a 10-Gigabit fiber data network module, one or more upper part calculation storage servers and one or more high performance calculation storage servers which are orderly arranged at the upper part of the cabinet from top to bottom. The cabinet also comprises a ventilation window, a fan window and a fan controller which are arranged at the middle part of the back side of the cabinet and also comprises a back plate arranged at the back side of the cabinet body and a side plate arranged at the side of the cabinet body. The large data integrated machine heat radiation cabinet has the advantages of high integration, high equipment availability, good scalability, good scattering effect, and stable system performance.

Description

A kind of large data all-in-one machine radiating cabinet based on electric power application
Technical field
The present invention relates to power equipment monitoring analysis application, be specifically related to a kind of large data all-in-one machine radiating cabinet based on electric power application.
Background technology
At present; in order to ensure power grid security, stable, Effec-tive Function; usually converting equipment status monitoring can be carried out; the equipment measuring point data monitored is stored into real-time data base; and periodically by data conversion storage in real-time data base to historical data base, for equipment fault early-warning and monitoring provide analysis data.In actual monitoring scene, because power equipment Monitoring Data amount is large, the sharply expansion of data scale, and along with the progress of science and technology and the demand for development of all-around function integration analyzing and processing, traditional database can not meet the requirement of storage and integrated analysis process.
Along with the develop rapidly of computer technology, the data rapid growth of every profession and trade, data quantitative change increasing, type also gets more and more, data structure is also tending towards complicated, traditional database not only each equipment independent mode, and needs larger space for its deployment, there is shortcomings such as not easily disposing, cost is higher, the General Requirements of user can not be met.The appearance of large data all-in-one machine and database thereof and be developed into emerging development trend, but, the not special large data all-in-one machine for power industry design and use and data analysing method thereof at present.
In addition, because the large data all-in-one machine applied based on electric power is integrated with the IT infrastructure module such as computing unit (high-performance calculation memory cell), memory cell, communication unit, administrative unit, its overall work temperature is higher, work long hours and easily crash, and likely because too high temperature burns components and parts, all-in-one is damaged.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide a kind of towards the large market demand scene of power industry, the customizable large data all-in-one machine radiating cabinet that soft or hard one, modularization, power business, dispersion effect are good.
The invention provides a kind of large data all-in-one machine radiating cabinet based on electric power application, comprise cabinet, external server and one or more converting equipment measuring point transducer, also comprise the one or more bottoms being arranged at cabinet bottom and calculate storage server, be arranged at the power module in the middle part of cabinet and gigabit supervising the network module, be set in turn in the 10000000000 fiber data networking modules on cabinet top from top to bottom, one or more top calculates storage server and one or more high-performance calculation storage server, wherein the output of converting equipment measuring point transducer connects the input of real-time data base input and 10,000,000,000 fiber data networking modules respectively, real-time data base output is also connected with the input of 10,000,000,000 fiber data networking modules, 10000000000 fiber data networking modules calculate storage server with bottom respectively, top calculates storage server and high-performance calculation storage server connects, for after the converting equipment measuring point information distribution that will receive from real-time data base and/or converting equipment measuring point transducer, bottom is sent to calculate storage server respectively, top calculates storage server and high-performance calculation storage server carries out computing, converting equipment measuring point information data after computing calculates storage server through gigabit supervising the network module transfer to bottom, top calculates in the memory in storage server and/or high-performance calculation storage server,
Also comprise the fan governor of the side at fan window and the cabinet back side being arranged at cabinet lower backside, fan governor is connected with power module and fan window respectively, wherein fan window is 4 groups, often organize 3 fans, the power often organizing middle fan is greater than the power of the fan with group both sides, and fan window is set to relative to the slope of cabinet with 5-15 degree angle; Fan governor has and arranges and often organize temperature sensor corresponding to fan window, temperature value in temperature sensor measurement corresponding cabinet height layer cabinet, fan governor is according to the temperature value of the differing heights layer of temperature sensor measurement, and point rank controls the power output of the fan window of different group;
Also comprise the ventilating window be arranged in the middle part of the cabinet back side, described ventilating window setting position is corresponding with the setting position of power module;
Power module comprises multiple power supply, and each power supply is provided with power supply fan;
Also comprise the netted backboard that the band that is arranged at cabinet upper rear portion is porose, two sides of cabinet are the porose netted side plate of band.
Preferably, described converting equipment measuring point transducer is used for real-time acquisition converting equipment measuring point information.
Preferably, described converting equipment measuring point information is one in oil dissolved gas information, partial discharge information, electric quantity information, winding deformation information, temperature information and online infrared imaging information or combination.
Preferably, bottom calculates storage server, top calculates storage server and high-performance calculation storage server comprises 2 road CPU processors respectively, high-performance calculation storage server also comprises 1 graphic process unit GPU, in power module, an independent power supply is powered to the GPU in high-performance calculation storage server, all the other power supplys are powered to other equipment in all-in-one, wherein power module is 5+5 redundant power supply power supply, power >=19200W.
Preferably, bottom calculates storage server, top calculates storage server and high-performance calculation storage server all adopts frame structure, and each calculates storage server and comprises: 2 road intel are to strong E5-2620v2 type processor, inside save as 16G*8, DDR3, ECC, frequency >=1333MHz; Also comprise enterprise-level 800G solid-state hard disk SSD; Also comprise 3.5 cun of enterprise-level hard disks: 2T*10, SATA, 7200rpm, 6G interface bandwidth, and support hot plug.
Preferably, the model of graphic process unit GPU is NVIDIA Tesla K40.
Preferably, cabinet upper rear portion set gradually 1 group, 2 groups, 3 groups or 4 groups of fan windows from bottom to top, the part that cabinet upper rear portion does not arrange fan window is provided with the netted backboard in hole.
Preferably, cabinet is the 42U cabinet of standard, and wherein cabinet includes L-type guide rail, rail height ﹤ 2.2mm.
Preferably, described fan governor is according to the temperature value of the differing heights layer of temperature sensor measurement, and point rank controls the power output of the fan window of different group, meets:
P = 0.9 S E
1 grade: when 0≤P≤0.25, export 40% power;
2 grades: when 0.25 < P≤0.5, export 65% power;
3 grades: when 0.5 < P≤0.8, export 85% power;
4 grades: when 0.8 < P≤1, export 100% power;
Wherein S is the temperature of the respective heights layer that temperature sensor records, and E is the maximum allowable temperature of large data all-in-one machine radiating cabinet when normally working, and P is temperature control parameter.
Preferably, described rack is multiple.
The present invention compared with prior art, can realize:
1) the large data all-in-one machine radiating cabinet for power industry design and use, for the large data analysis of power industry provides the foundation;
2) full distributed large data processing architecture, the IT infrastructure module such as computing unit (high-performance calculation unit), memory cell, communication unit, administrative unit of complexity is carried out integrated, the complete device of out-of-the-box (Readto Run) is provided, carry out overall performance tuning, the function avoiding causing because each device fabrication business operative norm is inconsistent, performance loss, lifting means availability.
3) calculate the calculation features such as (lifting computational efficiency), streaming calculating (tackling real-time computation requirement) according to large Data Analysis Platform internal memory and customization optimization is carried out to hardware system, internal memory-SSD-HDD three layers of storage system effectively alleviate memory pressure, the use of 10000000000 fiber optic networks, improve the traffic rate of each node, to tackle Large-scale parallel computing demand;
4) system extension linear growth, product provides puts from 1/4 configuration, 1/2 configuration, full configuration colony system initial configuration scales such as always extending to the configuration of multimachine cabinet, according to project actual demand flexible configuration product, do not need for later stage system upgrade forward purchasing equipment.When there is performance bottleneck in system, linear expansion system as required.
5) large data all-in-one machine radiating cabinet is devised on the whole, configuration is optimized by the position to fan window, backboard, side plate, ventilating window etc., parameter etc., the radiating effect of large data all-in-one machine radiating cabinet is significantly improved, the obvious length of side of stream time, and do not occur that the faults such as deadlock manifest.
Accompanying drawing explanation
The large data all-in-one machine heat radiation machine structural representation that Fig. 1 applies based on electric power
Fig. 2 cabinet rearview one
Fig. 3 cabinet rearview two
Fig. 4 cabinet end view
Embodiment
The following detailed description of specific embodiment of the invention; what be necessary to herein means out is; below implement just to further illustrate for of the present invention; limiting the scope of the invention can not be interpreted as; some nonessential improvement and adjustment that this art skilled person makes the present invention according to the invention described above content, still belong to protection scope of the present invention.
Present invention also offers a kind of large data all-in-one machine radiating cabinet based on electric power application, as shown in Figure 1, comprise cabinet 9, external server 8 and one or more converting equipment measuring point transducer 7, also comprise the one or more bottoms being arranged at cabinet 9 bottom and calculate storage server 5, be arranged at the power module 4 in the middle part of rack and gigabit supervising the network module 3, be set in turn in the 10000000000 fiber data networking modules 1 on cabinet 9 top from top to bottom, one or more top calculates storage server 6 and one or more high-performance calculation storage server 2, as shown in Figure 2, also comprise the fan window 10 and fan governor 11 that are arranged at cabinet 9 back side, fan governor 11 is connected with power module 4 and fan window 10 respectively, wherein the output of converting equipment measuring point transducer 7 connects the input of real-time data base 8 input and 10,000,000,000 fiber data networking modules 1 respectively, real-time data base 8 output is also connected with the input of 10,000,000,000 fiber data networking modules 1, described converting equipment measuring point transducer 7 is for real-time acquisition converting equipment measuring point information, such as oil dissolved gas information, partial discharge information, electric quantity information, winding deformation information, temperature information, online infrared imaging information etc., after converting equipment measuring point transducer 7 obtains converting equipment measuring point information, the converting equipment measuring point information of acquisition is sent to real-time data base 8 and/or 10,000,000,000 fiber data networking module 1, the converting equipment measuring point information received stores by real-time data base 8, when receiving transmission order, the converting equipment measuring point information of storage is sent to 10,000,000,000 fiber data networking modules 1, 10000000000 fiber data networking modules 1 calculate storage server 5 with bottom respectively, top calculates storage server 6 and high-performance calculation storage server 2 connects, for after the converting equipment measuring point information distribution that will receive from real-time data base 8 and/or converting equipment measuring point transducer 7, bottom is sent to calculate storage server 5 respectively, top calculates storage server 6 and high-performance calculation storage server 2 carries out computing, converting equipment measuring point information data after computing is transferred to bottom through gigabit supervising the network module 3 and calculates storage server 5, top calculates in the memory in storage server 6 and/or high-performance calculation storage server 2.
Cabinet 9 can be the 42U rack of standard, and cabinet 9 includes L-type guide rail, and rail height ﹤ 2.2mm adopts overall concentration supply power, and power module 4 is 5+5 redundant power supply power supply, power >=19200VA, and each power supply is provided with power supply fan; Wherein in its rack, working temperature is higher, work long hours and easily crash, in order to solve the technical problem of scattering, as shown in Figure 2, the back side of cabinet 9 of the present invention is provided with fan window 10, wherein arranging of fan window 10 can be selected according to the quantity of server and set-up mode, and preferentially arrange from bottom to top from bottom, such dispersion effect more.All-in-one operationally, due to other infrastructure modules heating arranged in cabinet 9, make the air in cabinet be heated and be difficult to flowing simultaneously to leave, and infrastructure modules heat flow can be taken away by the ventilation flowing of air, infrastructure modules temperature in cabinet 9 is declined, temperature in cabinet 9 also can decline thereupon, this ensure that all-in-one can normally work for a long time, the air of heating can upwards drift about owing to being heated, therefore when arranging fan window 10, preferentially arrange from bottom to top bottom cabinet 9, as shown in Figure 2, in first embodiment, the bottom of cabinet is provided with 4 groups of fan windows 10, often organize 3 140*38mm fans, hot plug supported by fan, and the power of the fan of centre is greater than the power of the fan on both sides, air can be made like this to be more conducive to flow out from the side of cabinet 9, dispersion effect more, there is in the middle part of the back side of cabinet 9 ventilating window 14, the setting position of ventilating window 14 at the cabinet back side is corresponding with the setting position of power module 4, heated air in the middle part of cabinet can blow out from ventilating window 14 by the power supply fan had due to power module self so simultaneously, because the heated air in the middle part of cabinet 9 include bottom be heated rise part hot-air, therefore ventilating window 14 be arranged so that heated air can flow out fast, compared with traditional set-up mode, radiating effect significantly improves.In another embodiment, set-up mode and a upper embodiment at the back side of cabinet 9 are similar, just after cabinet bottom has arranged full server, in order to cost-saving, when also needing in upper end to arrange server, also arrange fan window 10 on the top of cabinet 9 equally, and be still arrange from bottom to top from bottom, such dispersion effect more.Normal conditions, the cabinet of server is not when arranging infrastructure modules, all block with baffle plate, cabinet of the present invention is through optimizing, other infrastructure modules and ventilating window 14 is coordinated to be optimized design, as shown in Figure 2-4, the back side of cabinet 9 is not when arranging the infrastructure modules such as fan window 10 and ventilating window, all adopt the netted backboard 13 that band is porose, and as shown in Figure 4, two sides of cabinet 9 are be with porose netted side plate 15, although utilizing the porose netted plate of band to be beneficial to heat radiation as the casing of outside is exist in prior art, but the large data all-in-one machine radiating cabinet be used for by such set-up mode based on electric power application does not exist, and the design of backboard 13 in the present invention and side plate 15 is all in conjunction with miscellaneous part in cabinet, such as combine the wind direction of fan, power, the Parameters Optimal Designs such as position, when the overall structure adopting such backboard 13 and side plate 15 in conjunction with cabinet, radiating effect reaches the best.As shown in Figure 4, the set-up mode of fan window 10 of the present invention also improves, traditional fan window is all be embedded on cabinet, and be arranged in parallel with cabinet, and in the present invention, fan window 10 is set to relative to the slope of cabinet 9 with certain angle, optimized angle is 5-15 degree, most preferably is 10 degree, by such set-up mode, coordinate the miscellaneous part of cabinet that radiating effect is significantly improved.In addition, in order to monitor the temperature in cabinet 9, fan governor 11 has and arranges and often organize temperature sensor corresponding to fan window 12, the temperature value in corresponding cabinet height layer cabinet 9 measured by temperature sensor 12, the temperature value of the differing heights layer that fan governor 11 is measured according to temperature sensor 12, control the power output of the fan window 10 of different group respectively, and fan governor 11 carries out according to the temperature in rack the power output that point rank controls the fan window of different group, meets:
P = 0.9 5 S E
1 grade: when 0≤P≤0.25, export 40% power;
2 grades: when 0.25 < P≤0.5, export 65% power;
3 grades: when 0.5 < P≤0.8, export 85% power;
4 grades: when 0.8 < P≤1, export 100% power;
Wherein S is the temperature of the respective heights layer that temperature sensor records, and E is the maximum allowable temperature of large data all-in-one machine radiating cabinet when normally working, and P is temperature control parameter.
Bottom calculates storage server 5, top calculates storage server 6 similar, all adopt frame structure, bottom calculates storage server 5, top calculates storage server 6 by the L-type guide rails assembling in cabinet in rack, and each calculates storage server and comprises 2 road intel to strong E5-2620v2 type processor, inside save as 16G*8, DDR3, ECC, frequency >=1333MHz, also comprise enterprise-level 800G solid-state hard disk SSD, 3.5 cun of enterprise-level hard disks are 2T*10, SATA, 7200rpm, 6G interface bandwidth, and support hot plug, network interface card is 10,000,000,000 mouthful * 2, and comprise independent independent management network port (RJ45) SAS card: LSI SAS2308 master control, support raid 1.0.
High-performance calculation storage server 2 and calculating storage server 5 similar, it not only has calculating storage server 5 structure, also comprises 1 e *8PCIE expansion slot, in addition compared with traditional server, high-performance calculation storage server 2 additionally also comprises 1 GPU, (preferred model is NVIDIA Tesla K40).In addition, calculating storage server under normal circumstances all adopts same power supply to power, but owing to being provided with the high-performance calculation storage server comprising GPU, make such supply power mode often can cause the instability of voltage, all-in-one easily crashes, and easily burn GPU, through research, the supply power mode of power module 4 is improved by the present invention, by an independent power supply in power module 4, independent power supply is carried out to the GPU in high-performance calculation storage server 2, find to adopt such supply power mode after overtesting after, the performance of large data all-in-one machine obtains significantly to be improved, the time of continuous operation obviously increases, and the frequency that crashes significantly declines.
10000000000 fiber data networking modules 1 can be chosen as 10,000,000,000 optical fiber switch, and (preferred model is StarNet RG-S6220,48 mouthfuls of optical fiber switch, configuration optic module.Gigabit supervising the network module 3 comprises server centered administration module.
For the configuration of rack, can be configured according to the demand of reality, such as 1/4 configuration, 1/2 configuration, full configuration put colony system initial configuration scales such as always extending to the configuration of multimachine cabinet.
Although for illustrative purposes; describe illustrative embodiments of the present invention; but it should be appreciated by those skilled in the art that; when not departing from scope of invention disclosed in claims and spirit; the change of various amendment, interpolation and replacement etc. can be carried out in form and details; and all these change the protection range that all should belong to claims of the present invention; and application claims protection each department of product and method in each step, can combine with the form of combination in any.Therefore, be not intended to limit the scope of the invention to the description of execution mode disclosed in the present invention, but for describing the present invention.Correspondingly, scope of the present invention not by the restriction of above execution mode, but is limited by claim or its equivalent.

Claims (10)

1. the large data all-in-one machine radiating cabinet based on electric power application, it is characterized in that: comprise cabinet, external server and one or more converting equipment measuring point transducer, also comprise the one or more bottoms being arranged at cabinet bottom and calculate storage server, be arranged at the power module in the middle part of cabinet and gigabit supervising the network module, be set in turn in the 10000000000 fiber data networking modules on cabinet top from top to bottom, one or more top calculates storage server and one or more high-performance calculation storage server, wherein the output of converting equipment measuring point transducer connects the input of real-time data base input and 10,000,000,000 fiber data networking modules respectively, real-time data base output is also connected with the input of 10,000,000,000 fiber data networking modules, 10000000000 fiber data networking modules calculate storage server with bottom respectively, top calculates storage server and high-performance calculation storage server connects, for after the converting equipment measuring point information distribution that will receive from real-time data base and/or converting equipment measuring point transducer, bottom is sent to calculate storage server respectively, top calculates storage server and high-performance calculation storage server carries out computing, converting equipment measuring point information data after computing calculates storage server through gigabit supervising the network module transfer to bottom, top calculates in the memory in storage server and/or high-performance calculation storage server,
Also comprise the fan governor of the side at fan window and the cabinet back side being arranged at cabinet lower backside, fan governor is connected with power module and fan window respectively, wherein fan window is 4 groups, often organize 3 fans, the power often organizing middle fan is greater than the power of the fan with group both sides, and fan window is set to relative to the slope of cabinet with 5-15 degree angle; Fan governor has and arranges and often organize temperature sensor corresponding to fan window, temperature value in temperature sensor measurement corresponding cabinet height layer cabinet, fan governor is according to the temperature value of the differing heights layer of temperature sensor measurement, and point rank controls the power output of the fan window of different group;
Also comprise the ventilating window be arranged in the middle part of the cabinet back side, described ventilating window setting position is corresponding with the setting position of power module;
Power module comprises multiple power supply, and each power supply is provided with power supply fan;
Also comprise the netted backboard that the band that is arranged at cabinet upper rear portion is porose, two sides of cabinet are the porose netted side plate of band.
2. as claimed in claim 1 based on the large data all-in-one machine radiating cabinet of electric power application, it is characterized in that: described converting equipment measuring point transducer is used for real-time acquisition converting equipment measuring point information.
3. as claimed in claim 2 based on the large data all-in-one machine radiating cabinet of electric power application, it is characterized in that: described converting equipment measuring point information is one in oil dissolved gas information, partial discharge information, electric quantity information, winding deformation information, temperature information and online infrared imaging information or combination.
4. as claimed in claim 1 based on the large data all-in-one machine radiating cabinet of electric power application, it is characterized in that: bottom calculates storage server, top calculates storage server and high-performance calculation storage server comprises 2 road CPU processors respectively, high-performance calculation storage server also comprises 1 graphic process unit GPU, in power module, an independent power supply is powered to the GPU in high-performance calculation storage server, all the other power supplys are powered to other equipment in all-in-one, wherein power module is 5+5 redundant power supply power supply, power >=19200W.
5. as claimed in claim 1 based on the large data all-in-one machine radiating cabinet of electric power application, it is characterized in that: bottom calculates storage server, top calculates storage server and high-performance calculation storage server all adopts frame structure, each calculates storage server and comprises: 2 road intel are to strong E5-2620v2 type processor, inside save as 16G*8, DDR3, ECC, frequency >=1333MHz; Also comprise enterprise-level 800G solid-state hard disk SSD; Also comprise 3.5 cun of enterprise-level hard disks: 2T*10, SATA, 7200rpm, 6G interface bandwidth, and support hot plug.
6., as claimed in claim 5 based on the large data all-in-one machine radiating cabinet of electric power application, it is characterized in that: the model of graphic process unit GPU is NVIDIA Tesla K40.
7. the large data all-in-one machine radiating cabinet based on electric power application as described in claim 1 or 6, it is characterized in that: cabinet upper rear portion set gradually 1 group, 2 groups, 3 groups or 4 groups of fan windows from bottom to top, the part that cabinet upper rear portion does not arrange fan window is provided with the netted backboard in hole.
8., as claimed in claim 1 based on the large data all-in-one machine radiating cabinet of electric power application, it is characterized in that: cabinet is the 42U cabinet of standard, and wherein cabinet includes L-type guide rail, rail height ﹤ 2.2mm.
9. the large data all-in-one machine radiating cabinet based on electric power application as described in claim 1 or 7, it is characterized in that: described fan governor is according to the temperature value of the differing heights layer of temperature sensor measurement, divide rank to control the power output of the fan window of different group, meet:
1 grade: when 0≤P≤0.25, export 40% power;
2 grades: when 0.25 < P≤0.5, export 65% power;
3 grades: when 0.5 < P≤0.8, export 85% power;
4 grades: when 0.8 < P≤1, export 100% power;
Wherein S is the temperature of the respective heights layer that temperature sensor records, and E is the maximum allowable temperature of large data all-in-one machine radiating cabinet when normally working, and P is temperature control parameter.
10. utilize a stack of cabinets for the large data all-in-one machine radiating cabinet based on electric power application as described in any one of claim 1-9, it is characterized in that: described rack is multiple.
CN201510428828.1A 2015-07-21 2015-07-21 A kind of large data all-in-one machine radiating cabinet based on electric power application Active CN104981136B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106383557A (en) * 2016-11-28 2017-02-08 贵州电网有限责任公司电力科学研究院 Electric power big data all-in-one machine

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CN101853059A (en) * 2010-05-12 2010-10-06 姚学民 Cloud computing server system for heat dissipation, energy conservation and safe data storage
US20130148292A1 (en) * 2011-12-13 2013-06-13 Hon Hai Precision Industry Co., Ltd. Server system with fan speed control

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Publication number Priority date Publication date Assignee Title
CN101697668A (en) * 2009-10-22 2010-04-21 宁波隆兴电信设备制造有限公司 Outdoor cabinet with air channel structure
CN101853059A (en) * 2010-05-12 2010-10-06 姚学民 Cloud computing server system for heat dissipation, energy conservation and safe data storage
US20130148292A1 (en) * 2011-12-13 2013-06-13 Hon Hai Precision Industry Co., Ltd. Server system with fan speed control

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106383557A (en) * 2016-11-28 2017-02-08 贵州电网有限责任公司电力科学研究院 Electric power big data all-in-one machine

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