CN102497765A - Air conditioning unit for high heat density communication cabinet and combination method for air conditioning unit - Google Patents
Air conditioning unit for high heat density communication cabinet and combination method for air conditioning unit Download PDFInfo
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- CN102497765A CN102497765A CN2011104073385A CN201110407338A CN102497765A CN 102497765 A CN102497765 A CN 102497765A CN 2011104073385 A CN2011104073385 A CN 2011104073385A CN 201110407338 A CN201110407338 A CN 201110407338A CN 102497765 A CN102497765 A CN 102497765A
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Abstract
The invention discloses an air conditioning unit for a high heat density communication cabinet and a combination method for the air conditioning unit. The air conditioning unit comprises a shell. A partition plate is arranged in the shell, and divides the inside of the shell into a front chamber and a rear chamber. Air blowers are arranged in the front chamber. An evaporator is arranged in the rear chamber. Mesh openings are formed in shell plates on the same side of each of the front and rear chambers. A control part is arranged on the shell of the rear chamber, and is connected with a pipeline. By the air conditioning unit for a high heat density communication cabinet room, enclosed internally-circulating airflow organization can be generated, refrigeration efficiency is high, refrigerating output is completely delivered into the cabinet to cool communication equipment, and the problem of non-uniform radiation of the conventional air conditioner can be effectively solved. The air conditioning unit can be flexibly used, and proper redundancy can be determined according to the actual needs of a target cabinet to realize a higher-density layout. The refrigerating output is great, so that the problem of high heat density radiation which cannot be solved by an ordinary air conditioning radiation system can be solved. The airflow in the enclosed space of each air blower of the air conditioning unit circulates, noise in the room is reduced, good economic benefits and social benefits can be produced, and the air conditioning unit is quite practical.
Description
Technical field
The present invention relates to the air-conditioning unit, be specifically related to a kind of air-conditioning unit and combined method thereof of high heat density communication cabinet machine room.
Background technology
The develop rapidly of Along with computer technology, the high power density rack server that specification is littler, speed is faster, with better function, the network switch etc. are used more and more.In addition along with the fast-developing at present blade server of the high speed development of cloud computing has brought new challenge for the air conditioner refrigerating of network cabinet and power supply distribution again; The deployment density of equipment is increasing; The energy consumption of single frame is also increasingly high, has caused the rapid rising of unit are caloric value.
Particularly in recent years, the development of supercomputer technology field had the special new blade server of high heat density and on supercomputer technology, was widely used rapidly.Traditional precise machine room air conditioner refrigerating system through adopting the mode of air-supply under the floor, the passage of heat and cold passage rational deployment, can only satisfy the heat radiation requirement of Single Cabinet caloric value at 3～4 kW.In addition, rack cold air inlet top server beared down on one during tradition was blown down, formed very big resistance, had reduced the air-out wind speed.Before and after the rack is mesh entirely, and cold air is seepage from inside outwards, causes the cold air loss.Above-mentioned reason causes hot and cold air to mix, and the short circuit of part cold air can directly cause refrigerating efficiency low, even less than 50%.
Tradition is air-supply precision air conditioner system down, when being applied to the high power density server cabinet, needs outfit to have high-head big air quantity blower fan; So that air-conditioning cold wind is delivered to server cabinet through the floor plenum chamber, when particularly running under the floor accumulation power line and holding wire, cold airflow is blocked; Cause air current composition disorderly more; Can't reach desirable refrigeration, air-conditioning draught fan power is also higher, even surpasses total IT load power consumption.
Summary of the invention
Goal of the invention: to the deficiency of prior art, the purpose of this invention is to provide a kind of air-conditioning unit of high heat density communication cabinet,, improve radiating efficiency to realize effectively solving high power density cooling machine cabinet amount problem.Another object of the present invention provides a kind of combined method of air-conditioning unit of above-mentioned high heat density communication cabinet.
Technical scheme: in order to realize the foregoing invention purpose, the technical scheme that the present invention adopts is following:
A kind of air-conditioning unit of high heat density communication cabinet; Comprise housing, in housing, be provided with, in front chamber, be provided with blower fan the dividing plate that is divided into former and later two chambers in the housing; In rear chamber, be provided with evaporator, on the homonymy shell plates of front chamber and rear chamber, be provided with mesh; On the housing of rear chamber, being provided with control assembly is connected with pipeline.
Evaporator tilts to be located in the rear chamber, is used to increase disengagement area.Described blower fan is the single admission centrifugal blower.
The combined method of the air-conditioning unit of high heat density communication cabinet: in the both sides of high heat density communication cabinet an air-conditioning unit is set respectively, two air-conditioning units are provided with the direction front and back relatively, in high heat density communication cabinet, form circulation of air flow when making work.Described circulation of air flow is: the blower fan of the first air-conditioning unit sucks the heat that the server in the high heat density communication cabinet of homonymy distributes, and passes to evaporator and dispels the heat, and evaporator is imported the homonymy server with cold air simultaneously and dispelled the heat; The blower fan of the second air-conditioning unit sucks by the homonymy server and distributes and next heat, and passing to evaporator dispels the heat, and evaporator is imported the homonymy server with cold air simultaneously and dispelled the heat; Form circulation of air flow, the heat of the high heat density communication cabinet that leaves.
Because high heat density communication cabinet caloric value is very big; Do not have enough colds to get into rack and can't solve the apparatus cools problem, for addressing this problem, the present invention adopts accurate air-supply principle; Promptly remove at the inside cold air from high heat density communication cabinet side feed to rack performance heat exchange effect; Simultaneously, should restrain cold air in the server the inside, not allow the cold air in the rack arbitrarily to run off, form circulating current in the sealing, like this, cold air could all effects of real performance.
Beneficial effect: compare with existing air-conditioning unit, the air-conditioning unit of high heat density communication cabinet machine room of the present invention, refrigerating efficiency is high, and the rack of sending into of refrigerating capacity 100% is used to cool off communication equipment, can effectively solve the heat radiation problem of non-uniform of traditional air-conditioning; Use flexibly, can confirm suitable redundancy, realize more high density layouts according to the actual demand of target rack; Refrigerating capacity is big, can solve the insurmountable high heat density heat dissipation problem of common air-conditioning cooling system; Circulation of air flow in the air-conditioning draught fan confined space reduces the machine room noise, has good practicability, can produce good economic benefits and social benefit.
Description of drawings
Fig. 1 is the axonometric drawing of air conditioner in machine room;
Fig. 2 is the right view of air conditioner in machine room machine;
Fig. 3 is air conditioner in machine room machine and server cabinet installation sketch map;
Fig. 4 is that air conditioner in machine room machine and server are installed back air current composition sketch map.
Embodiment
Below in conjunction with accompanying drawing the present invention is done further explanation.
As depicted in figs. 1 and 2, the air-conditioning unit of high heat density communication cabinet mainly comprises casing 1; Middle front part in casing 1 is provided with dividing plate 6; This dividing plate 6 is divided into former and later two chambers with casing, and blower fan 3 is housed in front chamber 8, and blower fan 3 is the single admission centrifugal blower; In rear chamber 7 evaporator 2 is housed, control assembly 5 is connected 4 with pipeline, evaporator 2 is used as low-temperature receiver and cools off the heat that server distributes in the high heat density communication cabinet.On the homonymy panel of front chamber 8 and rear chamber 7, all open mesh, preferably be all the right side, be used to suck server hot blast (being air inlet) and discharge cold wind (being air outlet) through evaporator.Air inlet, blower fan, evaporator and air outlet constitute the wind path of air-conditioning unit jointly.In order to reduce the floor space of air-conditioning unit; Preferred employing half rack width, and the position of each parts of appropriate design in casing, blower fan is located at front chamber; Take minimum unit volume; Evaporator and electric component are placed by rear chamber, and the installation of evaporator preferred angled, to increase the heat exchange area of evaporating surface.
During use; Like Fig. 3 and shown in Figure 4; The combined method of the air-conditioning unit of high heat density communication cabinet is: in the both sides of high heat density communication cabinet 9 an air-conditioning unit is set respectively, two air-conditioning units are provided with the direction front and back relatively, in high heat density communication cabinet, form circulation of air flow when making work.Concrete compound mode be high heat density communication cabinet left side air-conditioning unit and server equal previous dynasty to; The air-conditioning on high heat density communication cabinet right side be the back towards, high heat density communication cabinet sealing Qianmen and back door, and do not have side door; Form the closed gas-flow passage thus, avoid the loss of cold.In addition, blower fan 3 selected patterns are high temperature resistant type, and maximum operating temperature is 80 ℃, can bear the highest about 50 ℃ high temperature of server outlet fully.Concrete circulation of air flow is: the blower fan of the first air-conditioning unit sucks the heat that the server in the high heat density communication cabinet of homonymy distributes, and passes to evaporator and dispels the heat, and evaporator is imported the homonymy server with cold air simultaneously and dispelled the heat; The blower fan of the second air-conditioning unit sucks by the homonymy server and distributes and next heat, and passing to evaporator dispels the heat, and evaporator is imported the homonymy server with cold air simultaneously and dispelled the heat; Form circulation of air flow, the heat of the high heat density communication cabinet that leaves.
Suppose the refrigeration duty 40kW of high heat density communication cabinet, 15 ℃ of the turnover rack air-flow temperature difference are according to the heat transfer equation formula
Calculate, wherein Q is the server cabinet heat load,
Be the air ratio thermal capacitance, 1.0kJ/kg.k, ρ are the density of air, 1.2kg/m
3, V is the volume of air flow,
Be the turnover rack air-flow temperature difference, can be regarded as to such an extent that this server cabinet institute required airflow of cooling is 8000m
3/ h, and the every typhoon amount of air-conditioning unit of the present invention is 5000m
3/ h, two air-conditioning unit air quantity can reach 10000m
3/ h because air-flow circulates in inside modules, does not dissipate, and therefore satisfies server 40kW heat radiation requirement fully.
The air-conditioning unit of high heat density communication cabinet machine room of the present invention, refrigerating efficiency is high, and the rack of sending into of refrigerating capacity 100% is used to cool off communication equipment, can effectively solve the heat radiation problem of non-uniform of traditional air-conditioning; Use flexibly, can confirm suitable redundancy, realize more high density layouts according to the actual demand of target rack; Refrigerating capacity is big, can solve the insurmountable high heat density heat dissipation problem of common air-conditioning cooling system; Circulation of air flow in the air-conditioning draught fan confined space reduces the machine room noise, has good practicability, can produce good economic benefits and social benefit.
Claims (5)
1. the air-conditioning unit of a high heat density communication cabinet; It is characterized in that: comprise housing (1); In housing (1), be provided with the dividing plate (6) that is divided into former and later two chambers in the housing (1); In front chamber (8), be provided with blower fan (3), in rear chamber (7), be provided with evaporator (2), control assembly (5) is connected (4) with pipeline, on the homonymy panel of front chamber (8) and rear chamber (7), be provided with mesh.
2. the air-conditioning unit of high heat density communication cabinet according to claim 1 is characterized in that: described evaporator (6) tilts to be located in the rear chamber (7).
3. the air-conditioning unit of high heat density communication cabinet according to claim 1 is characterized in that: described blower fan (3) is the single admission centrifugal blower.
4. the combined method of the air-conditioning unit of the described high heat density communication cabinet of claim 1; It is characterized in that: an air-conditioning unit respectively is set in the both sides of high heat density communication cabinet; Two air-conditioning units are provided with the direction front and back relatively, in high heat density communication cabinet, form the inner sealing circulation of air flow when making work.
5. the combined method of the air-conditioning unit of high heat density communication cabinet according to claim 4; It is characterized in that: described circulation of air flow is: the blower fan of the first air-conditioning unit sucks the heat that the server in the high heat density communication cabinet of homonymy distributes; Pass to evaporator and dispel the heat, evaporator is imported the homonymy server with cold air simultaneously and is dispelled the heat; The blower fan of the second air-conditioning unit sucks by the homonymy server and distributes and next heat, and passing to evaporator dispels the heat, and evaporator is imported the homonymy server with cold air simultaneously and dispelled the heat; Form the inner sealing circulation of air flow, the heat of the high heat density communication cabinet that leaves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104073385A CN102497765A (en) | 2011-12-09 | 2011-12-09 | Air conditioning unit for high heat density communication cabinet and combination method for air conditioning unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104073385A CN102497765A (en) | 2011-12-09 | 2011-12-09 | Air conditioning unit for high heat density communication cabinet and combination method for air conditioning unit |
Publications (1)
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| CN102497765A true CN102497765A (en) | 2012-06-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011104073385A Pending CN102497765A (en) | 2011-12-09 | 2011-12-09 | Air conditioning unit for high heat density communication cabinet and combination method for air conditioning unit |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103384459A (en) * | 2013-07-12 | 2013-11-06 | 深圳市阿尔法特网络环境有限公司 | Cabinet cold-hot channel module and cabinet combination structure |
| CN110213949A (en) * | 2019-07-04 | 2019-09-06 | 香江科技股份有限公司 | Cabinet and cooling means for the heat dissipation of 5G BBU equipment pondization |
| CN110678034A (en) * | 2018-07-03 | 2020-01-10 | 上海宽带技术及应用工程研究中心 | Lower air supply server cabinet refrigerating system |
| CN111306728A (en) * | 2020-02-27 | 2020-06-19 | 平安科技（深圳）有限公司 | Air volume regulating and controlling method and device for air conditioning system and computer equipment |
| CN111669934A (en) * | 2019-03-05 | 2020-09-15 | 浙江盾安机电科技有限公司 | Cabinet and temperature control method thereof |
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| US20080160902A1 (en) * | 2006-12-29 | 2008-07-03 | Stulz Air Technology Systems, Inc. | Apparatus, system and method for providing high efficiency air conditioning |
| WO2009141610A1 (en) * | 2008-05-20 | 2009-11-26 | Semper Holdings Limited | Rack mounted cooling unit |
| CN102103399A (en) * | 2011-02-18 | 2011-06-22 | 艾默生网络能源有限公司 | Ultrahigh heat density cooling system |
-
2011
- 2011-12-09 CN CN2011104073385A patent/CN102497765A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080160902A1 (en) * | 2006-12-29 | 2008-07-03 | Stulz Air Technology Systems, Inc. | Apparatus, system and method for providing high efficiency air conditioning |
| WO2009141610A1 (en) * | 2008-05-20 | 2009-11-26 | Semper Holdings Limited | Rack mounted cooling unit |
| CN102103399A (en) * | 2011-02-18 | 2011-06-22 | 艾默生网络能源有限公司 | Ultrahigh heat density cooling system |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103384459A (en) * | 2013-07-12 | 2013-11-06 | 深圳市阿尔法特网络环境有限公司 | Cabinet cold-hot channel module and cabinet combination structure |
| CN110678034A (en) * | 2018-07-03 | 2020-01-10 | 上海宽带技术及应用工程研究中心 | Lower air supply server cabinet refrigerating system |
| CN111669934A (en) * | 2019-03-05 | 2020-09-15 | 浙江盾安机电科技有限公司 | Cabinet and temperature control method thereof |
| CN110213949A (en) * | 2019-07-04 | 2019-09-06 | 香江科技股份有限公司 | Cabinet and cooling means for the heat dissipation of 5G BBU equipment pondization |
| CN111306728A (en) * | 2020-02-27 | 2020-06-19 | 平安科技（深圳）有限公司 | Air volume regulating and controlling method and device for air conditioning system and computer equipment |
| CN111306728B (en) * | 2020-02-27 | 2022-05-17 | 平安科技（深圳）有限公司 | Air volume regulating and controlling method and device for air conditioning system and computer equipment |
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Application publication date: 20120613 |