CN204513581U - A kind of data center supply air system - Google Patents
A kind of data center supply air system Download PDFInfo
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- CN204513581U CN204513581U CN201520050095.8U CN201520050095U CN204513581U CN 204513581 U CN204513581 U CN 204513581U CN 201520050095 U CN201520050095 U CN 201520050095U CN 204513581 U CN204513581 U CN 204513581U
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Abstract
The utility model provides a kind of data center supply air system, comprising: the cold passage, the ajutage that are surrounded by two row's rack front end faces, access door, passage overhead guard and perforated tiles; The air outlet of ajutage is connected with perforated tiles; Precise machine room air conditioner; The plenum chamber be connected with air inlet and the precise machine room air conditioner air outlet of ajutage respectively; The cold wind of precise machine room air conditioner blowout enters plenum chamber from its air outlet, enters ajutage, then enter cold passage by perforated tiles after air-flow is stable in plenum chamber.Deflector in ajutage can change angle according to rack zones of different temperature, repartitions the air output of cold passage front and rear portions, coordinates the radiating requirements of each rack.The air having cooled rack is discharged from rack rear end face, again enters precise machine room air conditioner by return air inlet for air-conditioner.The phenomenon that this system enhancement conventional data centers air-supply air-flow is uneven, facilitates the pressure balance under perforated tiles, improves the radiating efficiency of rack in cold passage.
Description
Technical field
The utility model relates to a kind of data center refrigeration system, particularly a kind of supply air system combined with data center floor.
Background technology
The inner sensible heat of data center is large, and the environment that latent heat is little causes it to need the air-conditioning system of Wind Volume.In order to ensure that the information technoloy equipment of diverse location in data center can be in suitable operating temperature, the just air current composition at necessary correct design data center.The air supply mode that data center often adopts mainly contains two kinds: air supply mode, the high electric under-floor air supply mode of frame on airduct.Proved by data center's operative practice for many years, underfloor air distribution is easier to regulate air quantity, the temperature of air-conditioning near-end and far-end closer to.Nowadays data center is towards maximization development, and the cold and hot passage that under-floor air supply collocation is closed, as effective air-flow transmission & distribution form, has been widely used in the middle of design.
When adopting raised floor underfloor air distribution, the space under whole raised floor can be regarded as a large plenum chamber, cold air enters plenum chamber from air-conditioning, then delivers to the cold passage of rack front portion by perforated tiles.Generally speaking, the size of plenum chamber is larger, and air-supply air-flow is more even, but the space of machine room place floor is limited.In Chinese Design of Machine Room standard, if when specifying that underfloor space only uses as cable distribution, floor level should not be less than 200mm; But when using as air-conditioning plenum box, floor level should not be less than 350mm.In TIA-942 standard, the floor minimum altitude that Tier4 level requires is 750mm, and this will occupy a large amount of spaces.
In addition, field measurement and computer simulation have all found an abnormal phenomena: from the rack close to air-conditioner set, and be often difficult to obtain enough cold wind, heat dissipating state is worse than the rack of far-end.The air output of air-conditioning near-end perforated tiles is obviously less than air-conditioning far-end.This also causes the intake of air-conditioning near-end rack general lower, causes extreme difficulties to the heat radiation of rack.This is mainly because the pressure distribution under raised floor is uneven.Cold air flowing is under floor perpendicular to perforated tiles air-out direction, and pressure distribution exists larger gradient with airflow direction, and this is also the basic reason causing air quantity difference.Because data center module quantity of heat production is high, corresponding cold blast rate demand is very huge, makes the air quantity gap of this distance end more violent.If improvement can be made in above two, very active influence will be brought for the air current composition in passage and cooling machine cabinet.
Therefore, be necessary propose a kind of newly to data center machine cabinet air-supply refrigeration system solve the problems referred to above.
Utility model content
The shortcoming of prior art in view of the above, the purpose of this utility model is to provide a kind of data center supply air system, the air output taking a large amount of space and air-conditioning near-end perforated tiles for solving overall raised floor in prior art is less than air-conditioning far-end air output and causes the intake of air-conditioning near-end rack lower, the heat radiation of rack is caused to the problem of extreme difficulties.
For achieving the above object and other relevant objects, the utility model provides a kind of data center supply air system, and described supply air system at least comprises: the cold passage surrounded by the front end face of the described rack of two rows, access door, passage overhead guard and perforated tiles; Be positioned at ajutage just right with described cold passage below described perforated tiles; Described ajutage is provided with air inlet and its inside is provided with deflector for regulating zones of different cold air flows in described cold passage; The top of described ajutage is provided with the air outlet be connected with described perforated tiles; Described supply air system also comprises: the precise machine room air conditioner being provided with air outlet and return air inlet; The plenum chamber be connected mutually with the air outlet of described precise machine room air conditioner; Described plenum chamber is connected mutually with the air inlet of described ajutage; The cold air of described precise machine room air conditioner blowout enters described plenum chamber from its air outlet, enter described ajutage by described air inlet after air-flow is stable in described plenum chamber, enter described cold passage by the air outlet of described ajutage, described perforated tiles afterwards.
As a kind of preferred version of the utility model data center supply air system, the air outlet of described precise machine room air conditioner is positioned at the below of floor board for machine room; Described return air inlet is positioned at the top of described floor board for machine room; Described plenum chamber is positioned at the below of described floor board for machine room.
As a kind of preferred version of the utility model data center supply air system, the length of described cold passage is not less than the length of single rack, and the width of described cold passage is not less than the twice of cabinet depth.
As a kind of preferred version of the utility model data center supply air system, the longitudinal section of described plenum chamber is rectangle, and its sectional area is greater than the area of described ajutage air inlet and is greater than the area of described precise machine room air conditioner air outlet.
As a kind of preferred version of the utility model data center supply air system, the longitudinal section of described ajutage is rectangle, and is uiform section or variable cross-section at length direction.
As a kind of preferred version of the utility model data center supply air system, described ajutage is in the variable cross-section of its length direction, larger the closer to plenum chamber sectional area.
As a kind of preferred version of the utility model data center supply air system, described deflector is made up of the sheet material that two pieces are mutually fixed angle, and connected by a rotating shaft between this two boards material, the inwall of described ajutage is fixed at the two ends of described rotating shaft; The straight line at described rotating shaft place is along described ajutage width.
As a kind of preferred version of the utility model data center supply air system, the rotating shaft on described deflector is driven by motor and drives described deflector do clockwise or rotate counterclockwise.
As a kind of preferred version of the utility model data center supply air system, described passage overhead guard is be arranged at above described cold passage to form with described rack upper end the top closing plate sealed, and its height is higher than described rack height.
As a kind of preferred version of the utility model data center supply air system, be hermetically-sealed construction between described access door and described passage overhead guard and perforated tiles.
As a kind of preferred version of the utility model data center supply air system, the vertical sectional shape of described passage overhead guard is arc.
As a kind of preferred version of the utility model data center supply air system, described passage overhead guard is provided with some skylights.
As a kind of preferred version of the utility model data center supply air system, the access door of described cold passage open after width be the width of cold passage.
As mentioned above, data center of the present utility model supply air system, there is following beneficial effect: data center of the present utility model supply air system, the cold air of described precise machine room air conditioner blowout enters plenum chamber from its air outlet, enter the air inlet of ajutage after air-flow is stable in plenum chamber, enter cold passage by perforated tiles.Deflector is provided with in described ajutage, the cold air entering ajutage can be divided into upper and lower two strands of air-flows by described deflector, and upper air mainly leads to cold channel front portion, namely apart from the rack that air-conditioning is nearer, lower stream of airflow mainly leads to cold channel rear portion, rack namely far away apart from air-conditioning.Deflector can change angle according to the real-time device temperature in each several part rack, thus repartitions the air output of cold passage front and rear portions, coordinates the radiating requirements of each rack.The air having cooled rack is discharged from rack rear end face, again enters precise machine room air conditioner by return air inlet.The phenomenon that this system enhancement conventional data centers floor blowing air-flow is uneven, facilitates the pressure balance under perforated tiles, improves the radiating efficiency of rack in cold passage.
Accompanying drawing explanation
Fig. 1 is shown as a kind of data center of the present utility model supply air system structural representation.
Fig. 2 to Fig. 4 is shown as another three kinds of data center's supply air system structural representations of the present utility model.
Fig. 5 be shown as deflector of the present utility model rotate counterclockwise after air-flow schematic diagram.
Fig. 6 be shown as deflector of the present utility model rotate clockwise after air-flow schematic diagram.
Element numbers explanation
1 cold passage
2 racks
3 precise machine room air conditioners
4 plenum chambers
5 ajutages
6 deflectors
7 perforated tiles
8 skylights
Detailed description of the invention
Below by way of specific instantiation, embodiment of the present utility model is described, those skilled in the art the content disclosed by this description can understand other advantages of the present utility model and effect easily.The utility model can also be implemented or be applied by detailed description of the invention different in addition, and the every details in this description also can based on different viewpoints and application, carries out various modification or change not deviating under spirit of the present utility model.
Refer to Fig. 1 to Fig. 6.It should be noted that, the diagram provided in the present embodiment only illustrates basic conception of the present utility model in a schematic way, then only the assembly relevant with the utility model is shown in graphic but not component count, shape and size when implementing according to reality is drawn, it is actual when implementing, and the kenel of each assembly, quantity and ratio can be a kind of change arbitrarily, and its assembly layout kenel also may be more complicated.
Embodiment one
As shown in Figure 1, the described data center supply air system of the present embodiment comprises the cold passage 1 surrounded by the front end face of the described rack 2 of two rows, access door, passage overhead guard and perforated tiles 7; That is in Fig. 1, the front end of cold passage 1 is provided with described access door, and the both sides of described cold passage 1 are respectively provided with row's rack 2; The below of described cold passage 1 is perforated tiles 7.Preferably, the access door of described cold passage 1 open after width be the width of cold passage 1.
This data center's supply air system also comprises: be positioned at ajutage 5 just right with described cold passage 1 below described perforated tiles 7; Described ajutage 5 upright projection is in described cold passage 1; Described ajutage 5 is provided with air inlet and its inside is provided with deflector 6 for regulating zones of different cold air flows in described cold passage 1; The top of described ajutage 5 is provided with the air outlet be connected with described perforated tiles 7; Described supply air system also comprises: the precise machine room air conditioner 3 being provided with air outlet and return air inlet; The plenum chamber 4 be connected mutually with the air outlet of described precise machine room air conditioner 3, and this air outlet communicates with both plenum chambers 4; Described plenum chamber 4 is connected mutually with the air inlet of described ajutage 5 and the two communicates; As shown in Figure 1, in the present embodiment preferably, the air outlet of described precise machine room air conditioner 3 is positioned at the below of floor board for machine room; Described return air inlet is positioned at the top of described floor board for machine room; Described plenum chamber 4 is positioned at the below of described floor board for machine room.
The cold air that described precise machine room air conditioner 3 blows out enters described plenum chamber 4 from its air outlet, enter described ajutage 5 by the air inlet of described ajutage 5 after air-flow is stable in described plenum chamber 4, enter described cold passage 1 by the air outlet of described ajutage 5, described perforated tiles 7 afterwards.The cold air entering ajutage 5 can be divided into upper and lower two strands of air-flows by described deflector 6, and it is anterior that upper air mainly leads to cold passage 1, and namely apart from the rack 2 that air-conditioning is nearer, lower stream of airflow mainly leads to cold passage 1 rear portion, rack 2 namely far away apart from air-conditioning.
Preferably, the length of described cold passage 1 is not less than the length of single rack 2, and the width of described cold passage 1 is not less than the twice of rack 2 degree of depth, to ensure the stable of air-flow in cold passage 1.
Further preferably, as in Fig. 1, the longitudinal section of described plenum chamber 4 is rectangle, and its sectional area is greater than the area of described ajutage 5 air inlet and is greater than the area of described precise machine room air conditioner 3 air outlet.Described longitudinal section refers on vertical direction and cuts described plenum chamber 4 open obtained cross section.The sectional area of described longitudinal section is greater than the area of described ajutage 5 air inlet and is greater than the area of described precise machine room air conditioner 3 air outlet.And preferably, described passage overhead guard is be arranged at above described cold passage 1 to form with described rack 2 upper end the top closing plate sealed, its height is higher than described rack 2 height.Be hermetically-sealed construction between described access door and described passage overhead guard and perforated tiles 7.Described passage overhead guard can prevent the cold air in cold passage 1 to be diffused in the middle of machine room and hot-air generation exchange heat, and described access door and passage overhead guard transparent material are made simultaneously.
As shown in Figure 1, the longitudinal section of the described ajutage 5 in the present embodiment is rectangle, and is uiform section at length direction, and the area that described uiform section refers to longitudinal section is all identical with shape size.Described deflector 6 in the utility model is made up of the sheet material that two pieces are mutually fixed angle, that is the two is not in same plane, and connected by a rotating shaft between this two boards material, the inwall of described ajutage 5 is fixed at the two ends of described rotating shaft; The straight line at described rotating shaft place is along described ajutage 5 width.
The operation principle of data center of the present utility model supply air system: the cold air that described precise machine room air conditioner 3 blows out enters described plenum chamber 4 from its air outlet, enter described ajutage 5 by the air inlet of described ajutage 5 after air-flow is stable in described plenum chamber 4, enter described cold passage 1 by the air outlet of described ajutage 5, described perforated tiles 7 afterwards.The cold air entering ajutage 5 can be divided into upper and lower two strands of air-flows by described deflector 6, and it is anterior that upper air mainly leads to cold passage 1, and namely apart from the rack 2 that air-conditioning is nearer, lower stream of airflow mainly leads to cold passage 1 rear portion, rack 2 namely far away apart from air-conditioning.Fig. 5, Fig. 6 show impact on air current composition in ajutage 5 and cold passage 1 after the change of deflector 6 angle.Preferably, the rotating shaft on described deflector 6 is driven by motor and drives described deflector 6 do clockwise or rotate counterclockwise.Can allocate the air output at perforated tiles 7 two ends by regulating the anglec of rotation of deflector 6; Preferably, be provided with temperature sensor in each server in described rack 2, the leaving air temp of each server can be obtained.When near-space in cold passage 1 adjusts rack 2 temperature of end to rise, as in Fig. 5, can rotate counterclockwise deflector 6, now on the upside of deflector 6, intake increases, and in cold passage 1, near-space tune terminal cabinet 2 dispels the heat and strengthens; When rising away from rack 2 temperature of air-conditioning end in cold passage 1, as in Fig. 6, can rotate clockwise deflector 6, now on the downside of deflector 6, intake increases, and strengthens in cold passage 1 away from the heat radiation of air-conditioning terminal cabinet 2.As can be seen here, deflector 6 is deflected different angles and can adjust upper and lower sides intake ratio, thus the specific heat load of diverse location rack 2 in cold passage 1 is changed, by the region of cold air from the region guiding refrigeration deficiency of excessively freezing.After adopting the utility model, the ajutage 5 under its perforated tiles 7 adds deflector 6 design can improve floor blowing air-flow non-uniform phenomenon, coordinates the intake of each rack 2 in cold passage 1, does not increase the height of raised floor while promoting rack 2 radiating efficiency.
Embodiment two
As shown in Figure 2, the described data center supply air system of the present embodiment comprises the cold passage 1 surrounded by the front end face of the described rack 2 of two rows, access door, passage overhead guard and perforated tiles 7; That is in Fig. 2, the front end of cold passage 1 is provided with described access door, and the both sides of described cold passage 1 are respectively provided with row's rack 2; The below of described cold passage 1 is perforated tiles 7.Preferably, the access door of described cold passage 1 open after width be the width of cold passage 1.
This data center's supply air system also comprises: be positioned at ajutage 5 just right with described cold passage 1 below described perforated tiles 7; Described ajutage 5 upright projection is in described cold passage 1; Described ajutage 5 is provided with air inlet and its inside is provided with deflector 6 for regulating zones of different cold air flows in described cold passage 1; The top of described ajutage 5 is provided with the air outlet be connected with described perforated tiles 7; Described supply air system also comprises: the precise machine room air conditioner 3 being provided with air outlet and return air inlet; The plenum chamber 4 be connected mutually with the air outlet of described precise machine room air conditioner 3, and this air outlet communicates with both plenum chambers 4; Described plenum chamber 4 is connected mutually with the air inlet of described ajutage 5 and the two communicates; As shown in Figure 2, in the present embodiment preferably, the air outlet of described precise machine room air conditioner 3 is positioned at the below of floor board for machine room; Described return air inlet is positioned at the top of described floor board for machine room; Described plenum chamber 4 is positioned at the below of described floor board for machine room.
The cold air that described precise machine room air conditioner 3 blows out enters described plenum chamber 4 from its air outlet, enter described ajutage 5 by the air inlet of described ajutage 5 after air-flow is stable in described plenum chamber 4, enter described cold passage 1 by the air outlet of described ajutage 5, described perforated tiles 7 afterwards.The cold air entering ajutage 5 can be divided into upper and lower two strands of air-flows by described deflector 6, and it is anterior that upper air mainly leads to cold passage 1, and namely apart from the rack 2 that air-conditioning is nearer, lower stream of airflow mainly leads to cold passage 1 rear portion, rack 2 namely far away apart from air-conditioning.
Preferably, the length of described cold passage 1 is not less than the length of single rack 2, and the width of described cold passage 1 is not less than the twice of rack 2 degree of depth, to ensure the stable of air-flow in cold passage 1.
Further preferably, as in Fig. 2, the longitudinal section of described plenum chamber 4 is rectangle, and its sectional area is greater than the area of described ajutage 5 air inlet and is greater than the area of described precise machine room air conditioner 3 air outlet.Described longitudinal section refers on vertical direction and cuts described plenum chamber 4 open obtained cross section.The sectional area of described longitudinal section is greater than the area of described ajutage 5 air inlet and is greater than the area of described precise machine room air conditioner 3 air outlet.And preferably, described passage overhead guard is be arranged at above described cold passage 1 to form with described rack 2 upper end the top closing plate sealed, its height is higher than described rack 2 height.Be hermetically-sealed construction between described access door and described passage overhead guard and perforated tiles 7.Described passage overhead guard can prevent the cold air in cold passage 1 to be diffused in the middle of machine room and hot-air generation exchange heat, and described access door and passage overhead guard transparent material are made simultaneously.
As shown in Figure 2, the longitudinal section of the described ajutage 5 in the present embodiment is rectangle, and the longitudinal section of length direction and embodiment one unlike, the variable cross-section of the longitudinal section of ajutage 5 described in the present embodiment, the area that described variable cross-section refers to longitudinal section is not identical with size.And it is larger the closer to described plenum chamber 4 sectional area.Otherwise, more less away from described plenum chamber 4 sectional area.Its its effect to make the air output of perforated tiles 7 more even.Described deflector 6 in the utility model is made up of the sheet material that two pieces are mutually fixed angle, that is the two is not in same plane, and connected by a rotating shaft between this two boards material, the inwall of described ajutage 5 is fixed at the two ends of described rotating shaft; The straight line at described rotating shaft place is along described ajutage 5 width.
The operation principle of data center of the present utility model supply air system: the cold air that described precise machine room air conditioner 3 blows out enters described plenum chamber 4 from its air outlet, enter described ajutage 5 by the air inlet of described ajutage 5 after air-flow is stable in described plenum chamber 4, enter described cold passage 1 by the air outlet of described ajutage 5, described perforated tiles 7 afterwards.The cold air entering ajutage 5 can be divided into upper and lower two strands of air-flows by described deflector 6, and it is anterior that upper air mainly leads to cold passage 1, and namely apart from the rack 2 that air-conditioning is nearer, lower stream of airflow mainly leads to cold passage 1 rear portion, rack 2 namely far away apart from air-conditioning.Fig. 5, Fig. 6 show impact on air current composition in ajutage 5 and cold passage 1 after the change of deflector 6 angle.Preferably, the rotating shaft on described deflector 6 is driven by motor and drives described deflector 6 do clockwise or rotate counterclockwise.Can allocate the air output at perforated tiles 7 two ends by regulating the anglec of rotation of deflector 6; Preferably, be provided with temperature sensor in each server in described rack 2, the leaving air temp of each server can be obtained.When near-space in cold passage 1 adjusts rack 2 temperature of end to rise, as in Fig. 5, can rotate counterclockwise deflector 6, now on the upside of deflector 6, intake increases, and in cold passage 1, near-space tune terminal cabinet 2 dispels the heat and strengthens; When rising away from rack 2 temperature of air-conditioning end in cold passage 1, as in Fig. 6, can rotate clockwise deflector 6, now on the downside of deflector 6, intake increases, and strengthens in cold passage 1 away from the heat radiation of air-conditioning terminal cabinet 2.As can be seen here, deflector 6 is deflected different angles and can adjust upper and lower sides intake ratio, thus the specific heat load of diverse location rack 2 in cold passage 1 is changed, by the region of cold air from the region guiding refrigeration deficiency of excessively freezing.After adopting the utility model, the ajutage 5 under its perforated tiles 7 adds deflector 6 design can improve floor blowing air-flow non-uniform phenomenon, coordinates the intake of each rack 2 in cold passage 1, does not increase the height of raised floor while promoting rack 2 radiating efficiency.
Embodiment three
The present embodiment and embodiment two unlike, the vertical sectional shape of the described passage overhead guard in the present embodiment is arc.It can enter rack 2 top apparatus by direct cold air glibly.As shown in Figure 3, what Fig. 3 represented is that in data center's supply air system of the present embodiment, passage overhead guard vertical sectional shape is the structural representation of arc.
The described data center supply air system of the present embodiment comprises the cold passage 1 surrounded by the front end face of the described rack 2 of two rows, access door, passage overhead guard and perforated tiles 7; That is in Fig. 3, the front end of cold passage 1 is provided with described access door, and the both sides of described cold passage 1 are respectively provided with row's rack 2; The below of described cold passage 1 is perforated tiles 7.Preferably, the access door of described cold passage 1 open after width be the width of cold passage 1.
This data center's supply air system also comprises: be positioned at ajutage 5 just right with described cold passage 1 below described perforated tiles 7; Described ajutage 5 upright projection is in described cold passage 1; Described ajutage 5 is provided with air inlet and its inside is provided with deflector 6 for regulating zones of different cold air flows in described cold passage 1; The top of described ajutage 5 is provided with the air outlet be connected with described perforated tiles 7; Described supply air system also comprises: the precise machine room air conditioner 3 being provided with air outlet and return air inlet; The plenum chamber 4 be connected mutually with the air outlet of described precise machine room air conditioner 3, and this air outlet communicates with both plenum chambers 4; Described plenum chamber 4 is connected mutually with the air inlet of described ajutage 5 and the two communicates; As shown in Figure 3, in the present embodiment preferably, the air outlet of described precise machine room air conditioner 3 is positioned at the below of floor board for machine room; Described return air inlet is positioned at the top of described floor board for machine room; Described plenum chamber 4 is positioned at the below of described floor board for machine room.
The cold air that described precise machine room air conditioner 3 blows out enters described plenum chamber 4 from its air outlet, enter described ajutage 5 by the air inlet of described ajutage 5 after air-flow is stable in described plenum chamber 4, enter described cold passage 1 by the air outlet of described ajutage 5, described perforated tiles 7 afterwards.The cold air entering ajutage 5 can be divided into upper and lower two strands of air-flows by described deflector 6, and it is anterior that upper air mainly leads to cold passage 1, and namely apart from the rack 2 that air-conditioning is nearer, lower stream of airflow mainly leads to cold passage 1 rear portion, rack 2 namely far away apart from air-conditioning.
Preferably, the length of described cold passage 1 is not less than the length of single rack 2, and the width of described cold passage 1 is not less than the twice of rack 2 degree of depth, to ensure the stable of air-flow in cold passage 1.
Further preferably, as in Fig. 3, the longitudinal section of described plenum chamber 4 is rectangle, and its sectional area is greater than the area of described ajutage 5 air inlet and is greater than the area of described precise machine room air conditioner 3 air outlet.Described longitudinal section refers on vertical direction and cuts described plenum chamber 4 open obtained cross section.The sectional area of described longitudinal section is greater than the area of described ajutage 5 air inlet and is greater than the area of described precise machine room air conditioner 3 air outlet.And preferably, described passage overhead guard is be arranged at above described cold passage 1 to form with described rack 2 upper end the top closing plate sealed, its height is higher than described rack 2 height.Be hermetically-sealed construction between described access door and described passage overhead guard and perforated tiles 7.Described passage overhead guard can prevent the cold air in cold passage 1 to be diffused in the middle of machine room and hot-air generation exchange heat, and described access door and passage overhead guard transparent material are made simultaneously.
As shown in Figure 3, the longitudinal section of the described ajutage 5 in the present embodiment is rectangle, and the longitudinal section of length direction and embodiment one unlike, the variable cross-section of the longitudinal section of ajutage 5 described in the present embodiment, the area that described variable cross-section refers to longitudinal section is not identical with size.And it is larger the closer to described plenum chamber 4 sectional area.Otherwise, more less away from described plenum chamber 4 sectional area.Its its effect to make the air output of perforated tiles 7 more even.Described deflector 6 in the utility model is made up of the sheet material that two pieces are mutually fixed angle, that is the two is not in same plane, and connected by a rotating shaft between this two boards material, the inwall of described ajutage 5 is fixed at the two ends of described rotating shaft; The straight line at described rotating shaft place is along described ajutage 5 width.
The operation principle of data center of the present utility model supply air system: the cold air that described precise machine room air conditioner 3 blows out enters described plenum chamber 4 from its air outlet, enter described ajutage 5 by the air inlet of described ajutage 5 after air-flow is stable in described plenum chamber 4, enter described cold passage 1 by the air outlet of described ajutage 5, described perforated tiles 7 afterwards.The cold air entering ajutage 5 can be divided into upper and lower two strands of air-flows by described deflector 6, and it is anterior that upper air mainly leads to cold passage 1, and namely apart from the rack 2 that air-conditioning is nearer, lower stream of airflow mainly leads to cold passage 1 rear portion, rack 2 namely far away apart from air-conditioning.Fig. 5, Fig. 6 show impact on air current composition in ajutage 5 and cold passage 1 after the change of deflector 6 angle.Preferably, the rotating shaft on described deflector 6 is driven by motor and drives described deflector 6 do clockwise or rotate counterclockwise.Can allocate the air output at perforated tiles 7 two ends by regulating the anglec of rotation of deflector 6; Preferably, be provided with temperature sensor in each server in described rack 2, the leaving air temp of each server can be obtained.When near-space in cold passage 1 adjusts rack 2 temperature of end to rise, as in Fig. 5, can rotate counterclockwise deflector 6, now on the upside of deflector 6, intake increases, and in cold passage 1, near-space tune terminal cabinet 2 dispels the heat and strengthens; When rising away from rack 2 temperature of air-conditioning end in cold passage 1, as in Fig. 6, can rotate clockwise deflector 6, now on the downside of deflector 6, intake increases, and strengthens in cold passage 1 away from the heat radiation of air-conditioning terminal cabinet 2.As can be seen here, deflector 6 is deflected different angles and can adjust upper and lower sides intake ratio, thus the specific heat load of diverse location rack 2 in cold passage 1 is changed, by the region of cold air from the region guiding refrigeration deficiency of excessively freezing.After adopting the utility model, the ajutage 5 under its perforated tiles 7 adds deflector 6 design can improve floor blowing air-flow non-uniform phenomenon, coordinates the intake of each rack 2 in cold passage 1, does not increase the height of raised floor while promoting rack 2 radiating efficiency.
Embodiment four
The present embodiment and embodiment two unlike, the described passage overhead guard in the present embodiment is provided with some skylights 8 as shown in Figure 4.When meeting with fire alarm, skylight 8 can be opened automatically, so that the fire-suppressant gas of top fire suppression device ejection can enter into from the skylight 8 of opening in cold passage 1.The described data center supply air system of the present embodiment comprises the cold passage 1 surrounded by the front end face of the described rack 2 of two rows, access door, passage overhead guard and perforated tiles 7; That is in Fig. 4, the front end of cold passage 1 is provided with described access door, and the both sides of described cold passage 1 are respectively provided with row's rack 2; The below of described cold passage 1 is perforated tiles 7.Preferably, the access door of described cold passage 1 open after width be the width of cold passage 1.
This data center's supply air system also comprises: be positioned at ajutage 5 just right with described cold passage 1 below described perforated tiles 7; Described ajutage 5 upright projection is in described cold passage 1; Described ajutage 5 is provided with air inlet and its inside is provided with deflector 6 for regulating zones of different cold air flows in described cold passage 1; The top of described ajutage 5 is provided with the air outlet be connected with described perforated tiles 7; Described supply air system also comprises: the precise machine room air conditioner 3 being provided with air outlet and return air inlet; The plenum chamber 4 be connected mutually with the air outlet of described precise machine room air conditioner 3, and this air outlet communicates with both plenum chambers 4; Described plenum chamber 4 is connected mutually with the air inlet of described ajutage 5 and the two communicates; As shown in Figure 4, in the present embodiment preferably, the air outlet of described precise machine room air conditioner 3 is positioned at the below of floor board for machine room; Described return air inlet is positioned at the top of described floor board for machine room; Described plenum chamber 4 is positioned at the below of described floor board for machine room.
The cold air that described precise machine room air conditioner 3 blows out enters described plenum chamber 4 from its air outlet, enter described ajutage 5 by the air inlet of described ajutage 5 after air-flow is stable in described plenum chamber 4, enter described cold passage 1 by the air outlet of described ajutage 5, described perforated tiles 7 afterwards.The cold air entering ajutage 5 can be divided into upper and lower two strands of air-flows by described deflector 6, and it is anterior that upper air mainly leads to cold passage 1, and namely apart from the rack 2 that air-conditioning is nearer, lower stream of airflow mainly leads to cold passage 1 rear portion, rack 2 namely far away apart from air-conditioning.
Preferably, the length of described cold passage 1 is not less than the length of single rack 2, and the width of described cold passage 1 is not less than the twice of rack 2 degree of depth, to ensure the stable of air-flow in cold passage 1.
Further preferably, as in Fig. 4, the longitudinal section of described plenum chamber 4 is rectangle, and its sectional area is greater than the area of described ajutage 5 air inlet and is greater than the area of described precise machine room air conditioner 3 air outlet.Described longitudinal section refers on vertical direction and cuts described plenum chamber 4 open obtained cross section.The sectional area of described longitudinal section is greater than the area of described ajutage 5 air inlet and is greater than the area of described precise machine room air conditioner 3 air outlet.And preferably, described passage overhead guard is be arranged at above described cold passage 1 to form with described rack 2 upper end the top closing plate sealed, its height is higher than described rack 2 height.Be hermetically-sealed construction between described access door and described passage overhead guard and perforated tiles 7.Described passage overhead guard can prevent the cold air in cold passage 1 to be diffused in the middle of machine room and hot-air generation exchange heat, and described access door and passage overhead guard transparent material are made simultaneously.
As shown in Figure 4, the longitudinal section of the described ajutage 5 in the present embodiment is rectangle, and the longitudinal section of length direction and embodiment one unlike, the variable cross-section of the longitudinal section of ajutage 5 described in the present embodiment, the area that described variable cross-section refers to longitudinal section is not identical with size.And it is larger the closer to described plenum chamber 4 sectional area.Otherwise, more less away from described plenum chamber 4 sectional area.Its its effect to make the air output of perforated tiles 7 more even.Described deflector 6 in the utility model is made up of the sheet material that two pieces are mutually fixed angle, that is the two is not in same plane, and connected by a rotating shaft between this two boards material, the inwall of described ajutage 5 is fixed at the two ends of described rotating shaft; The straight line at described rotating shaft place is along described ajutage 5 width.
The operation principle of data center of the present utility model supply air system: the cold air that described precise machine room air conditioner 3 blows out enters described plenum chamber 4 from its air outlet, enter described ajutage 5 by the air inlet of described ajutage 5 after air-flow is stable in described plenum chamber 4, enter described cold passage 1 by the air outlet of described ajutage 5, described perforated tiles 7 afterwards.The cold air entering ajutage 5 can be divided into upper and lower two strands of air-flows by described deflector 6, and it is anterior that upper air mainly leads to cold passage 1, and namely apart from the rack 2 that air-conditioning is nearer, lower stream of airflow mainly leads to cold passage 1 rear portion, rack 2 namely far away apart from air-conditioning.Fig. 5, Fig. 6 show impact on air current composition in ajutage 5 and cold passage 1 after the change of deflector 6 angle.Preferably, the rotating shaft on described deflector 6 is driven by motor and drives described deflector 6 do clockwise or rotate counterclockwise.Can allocate the air output at perforated tiles 7 two ends by regulating the anglec of rotation of deflector 6; Preferably, be provided with temperature sensor in each server in described rack 2, the leaving air temp of each server can be obtained.When near-space in cold passage 1 adjusts rack 2 temperature of end to rise, as in Fig. 5, can rotate counterclockwise deflector 6, now on the upside of deflector 6, intake increases, and in cold passage 1, near-space tune terminal cabinet 2 dispels the heat and strengthens; When rising away from rack 2 temperature of air-conditioning end in cold passage 1, as in Fig. 6, can rotate clockwise deflector 6, now on the downside of deflector 6, intake increases, and strengthens in cold passage 1 away from the heat radiation of air-conditioning terminal cabinet 2.As can be seen here, deflector 6 is deflected different angles and can adjust upper and lower sides intake ratio, thus the specific heat load of diverse location rack 2 in cold passage 1 is changed, by the region of cold air from the region guiding refrigeration deficiency of excessively freezing.After adopting the utility model, the ajutage 5 under its perforated tiles 7 adds deflector 6 design can improve floor blowing air-flow non-uniform phenomenon, coordinates the intake of each rack 2 in cold passage 1, does not increase the height of raised floor while promoting rack 2 radiating efficiency.
In sum, data center of the present utility model supply air system, the cold air of described precise machine room air conditioner blowout enters plenum chamber from its air outlet, enters the air inlet of ajutage, enter cold passage by perforated tiles after air-flow is stable in plenum chamber.Deflector is provided with in described ajutage, the cold air entering ajutage can be divided into upper and lower two strands of air-flows by described deflector, and upper air mainly leads to cold channel front portion, namely apart from the rack that air-conditioning is nearer, lower stream of airflow mainly leads to cold channel rear portion, rack namely far away apart from air-conditioning.Deflector can change angle according to the real-time device temperature in each several part rack, thus repartitions the air output of cold passage front and rear portions, coordinates the radiating requirements of each rack.The air having cooled rack is discharged from rack rear end face, again enters precise machine room air conditioner by return air inlet.The phenomenon that this system enhancement conventional data centers floor blowing air-flow is uneven, facilitates the pressure balance under perforated tiles, improves the radiating efficiency of rack in cold passage.So the utility model effectively overcomes various shortcoming of the prior art and tool high industrial utilization.
Above-described embodiment is illustrative principle of the present utility model and effect thereof only, but not for limiting the utility model.Any person skilled in the art scholar all without prejudice under spirit of the present utility model and category, can modify above-described embodiment or changes.Therefore, such as have in art and usually know that the knowledgeable modifies or changes not departing from all equivalences completed under the spirit and technological thought that the utility model discloses, must be contained by claim of the present utility model.
Claims (13)
1. data center's supply air system, for blowing to the rack of described data center, it is characterized in that, described supply air system at least comprises: the cold passage surrounded by two row's front end faces of described rack, access door, passage overhead guard and perforated tiles; Be positioned at ajutage just right with described cold passage below described perforated tiles; Described ajutage is provided with air inlet and its inside is provided with deflector for regulating zones of different cold air flows in described cold passage; The top of described ajutage is provided with the air outlet be connected with described perforated tiles;
Described supply air system also comprises: the precise machine room air conditioner being provided with air outlet and return air inlet; The plenum chamber be connected mutually with the air outlet of described precise machine room air conditioner; Described plenum chamber is connected mutually with the air inlet of described ajutage;
The cold air of described precise machine room air conditioner blowout enters described plenum chamber from its air outlet, enter described ajutage by described air inlet after air-flow is stable in described plenum chamber, enter described cold passage by the air outlet of described ajutage, described perforated tiles afterwards.
2. data center according to claim 1 supply air system, is characterized in that: the air outlet of described precise machine room air conditioner is positioned at the below of floor board for machine room; Described return air inlet is positioned at the top of described floor board for machine room; Described plenum chamber is positioned at the below of described floor board for machine room.
3. data center according to claim 1 supply air system, is characterized in that: the length of described cold passage is not less than the length of single rack, and the width of described cold passage is not less than the twice of cabinet depth.
4. data center according to claim 1 supply air system, is characterized in that: the longitudinal section of described plenum chamber is rectangle, and its sectional area is greater than the area of described ajutage air inlet and is greater than the area of described precise machine room air conditioner air outlet.
5. data center according to claim 1 supply air system, is characterized in that: the longitudinal section of described ajutage is rectangle, and is uiform section or variable cross-section at length direction.
6. data center according to claim 5 supply air system, is characterized in that: described ajutage is in the variable cross-section of its length direction, larger the closer to plenum chamber sectional area.
7. data center according to claim 6 supply air system, is characterized in that: the vertical sectional shape of described passage overhead guard is arc.
8. data center according to claim 6 supply air system, is characterized in that: described passage overhead guard is provided with some skylights.
9. the data center's supply air system according to claim 1,7 or 8, it is characterized in that: described deflector is made up of the sheet material that two pieces are mutually fixed angle, connected by a rotating shaft between this two boards material, the inwall of described ajutage is fixed at the two ends of described rotating shaft; The straight line at described rotating shaft place is along described ajutage width.
10. data center according to claim 9 supply air system, is characterized in that: the rotating shaft on described deflector is driven by motor and drives described deflector do clockwise or rotate counterclockwise.
11., according to any one of the data center's supply air system described in claim 1-5, is characterized in that: described passage overhead guard is be arranged at above described cold passage to form with described rack upper end the top closing plate sealed, and its height is higher than described rack height.
12. data center according to claim 11 supply air systems, is characterized in that: be hermetically-sealed construction between described access door and described passage overhead guard and perforated tiles.
13. data center according to claim 12 supply air systems, is characterized in that: the access door of described cold passage open after width be the width of cold passage.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520050095.8U CN204513581U (en) | 2015-01-23 | 2015-01-23 | A kind of data center supply air system |
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| CN201520050095.8U CN204513581U (en) | 2015-01-23 | 2015-01-23 | A kind of data center supply air system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105864883A (en) * | 2015-01-23 | 2016-08-17 | 上海宽带技术及应用工程研究中心 | Data center air supply system |
| CN107454809A (en) * | 2017-09-11 | 2017-12-08 | 郑州云海信息技术有限公司 | A kind of efficiently micromodule data center |
| CN110191617A (en) * | 2019-05-16 | 2019-08-30 | 南京师范大学 | A kind of under-floor air supply type data center of inner division plate air channel structure |
-
2015
- 2015-01-23 CN CN201520050095.8U patent/CN204513581U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105864883A (en) * | 2015-01-23 | 2016-08-17 | 上海宽带技术及应用工程研究中心 | Data center air supply system |
| CN107454809A (en) * | 2017-09-11 | 2017-12-08 | 郑州云海信息技术有限公司 | A kind of efficiently micromodule data center |
| CN107454809B (en) * | 2017-09-11 | 2023-11-03 | 郑州云海信息技术有限公司 | Efficient micro-module data center |
| CN110191617A (en) * | 2019-05-16 | 2019-08-30 | 南京师范大学 | A kind of under-floor air supply type data center of inner division plate air channel structure |
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