CN107166628A - A kind of data center tail end air conditioner group control system - Google Patents
A kind of data center tail end air conditioner group control system Download PDFInfo
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- CN107166628A CN107166628A CN201710262199.9A CN201710262199A CN107166628A CN 107166628 A CN107166628 A CN 107166628A CN 201710262199 A CN201710262199 A CN 201710262199A CN 107166628 A CN107166628 A CN 107166628A
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- passage
- control system
- tail end
- air conditioner
- temperature sensor
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Abstract
The invention provides a kind of data center tail end air conditioner group control system, the cold passage and the passage of heat connected including data center, it is characterized in that, temperature sensor is provided with cold passage and the passage of heat, temperature sensor is connected to tail end air conditioner group control system, and tail end air conditioner group control system controls more than one standby air-conditioning.The present invention sends air temperature and cold and hot channel temperature back to by dispose that temperature sensor monitors tail end air conditioner unit in real time, and the failure realization automatically according to time and unit is accurately controlled standby air-conditioner set start and stop, so as to ensure that data center reaches the purpose of energy-saving safe operation.
Description
Technical field
The present invention relates to field of informatization construction, particularly a kind of data center's tail end air conditioner group control system.
Background technology
As information-based gos deep into, the scale of data center progressively expands, and its energy consumption is also constantly increasing, wherein air-conditioning system
Cool equipment and its power consumption of auxiliary equipment are principal elements.Increasing data center is when building by PUE (Power
Usage Effectiveness) value is classified as a key index, pursues lower PUE values, construction green energy conservation data center is
Through as knowing together in the industry.As can be seen here, control technology is applied in data center's air-conditioning system makes low-temperature receiver will according to thermal environment
Supply is asked to have very important significance optimal operation of air-conditioning system.
Publication No. CN103673200 Chinese patent application proposes a kind of consumption of data center control system and method,
It is realized to consumption of data center by disposing distributed wireless temperature sensor, real-time monitoring data central temperature information
Accurate control, and in line computation data center evaluation of thermal environment index RCI and RTI, by the air current composition for adjusting data center
With CRAC start and stop, data center's thermal environment is improved, realization supplies cold on demand.However, this patent application is only according to frame
Turnover air temperature and CRAC units RCI and RTI indexs that air temperature obtains are sent back to judge motor-driven valve and CRAC units
Start and stop, it is impossible to take into account the thermal environment of passage and entirety.
Publication No. CN105222439 Chinese patent application proposes a kind of Energy Saving Control dress of data center's air conditioning terminal
Put and control method, apply by chilled water coil, blower fan, regulating valve, speed governing performs device, chilled water inlet pipeline, chilled water
In data center's air conditioning terminal structure that outlet pipeline, air-supply passage and return air channel are constituted.The energy-saving control device includes：
Wind pushing temperature sensor, static pressure transducer of blowing, return air temperature sensor, optimal control module, wind pushing temperature control module is quiet
Press control module etc..This patent is to measure to send air temperature back to it cannot be guaranteed that the temperature in cold and hot passage is in green safety area
Domain, can not faults of monitoring system, the Energy Saving Control of data center can not be realized.
The content of the invention
Goal of the invention：The technical problems to be solved by the invention are that there is provided in a kind of data in view of the shortcomings of the prior art
Heart tail end air conditioner group control system.
In order to solve the above-mentioned technical problem, the invention provides a kind of data center's tail end air conditioner group control system,
Rack including a row above and the cold and hot passage connected with tail end air conditioner group control system, cold and hot passage include cold passage and heat
Temperature sensor is provided with passage, cold passage and the passage of heat, temperature sensor is controlled by tail end air conditioner group control system, tail end air conditioner
Group control system controls more than one standby air-conditioning, and cold and hot passage is arranged between adjacent rack.
It is provided with the present invention, in the cold passage in more than one cold passage temperature sensor, the passage of heat and is provided with one
Passage of heat temperature sensor above, cold passage temperature sensor and passage of heat temperature sensor are connected to tail end air conditioner team control system
System.
In the present invention, cold passage is arranged alternately with the passage of heat.
In the present invention, the tail end air conditioner group control system connects one group of cold passage temperature sensor, air outlet temperature respectively
Sensor, return air inlet temperature sensor, one group of passage of heat temperature sensor and DDC controllers, the connection of tail end air conditioner group control system
End robot control system(RCS), end robot control system(RCS) includes detecting instrument；
If monitoring instrument detects that instrumentation breaks down in operation, tail end air conditioner group control system unlatching one is standby
Air-conditioning, continues detection if not having failure；
If mean temperature is more than 22 DEG C less than 24 DEG C in cold passage temperature sensor measurement cold passage, continue to detect environment
Temperature, otherwise continues next step；
If mean temperature is less than 22 DEG C and more than 30 seconds in cold passage temperature sensor measurement cold passage, tail end air conditioner group
Control system closes standby air-conditioning；If mean temperature is more than 24 DEG C and dimension in cold passage inner cooling path temperature sensor measurement cold passage
Hold one minute, or when there is single cold passage temperature sensor measurement temperature to be more than 26 DEG C and maintain one minute, then end is empty
Adjust group control system to open a standby air-conditioning, otherwise continue next step；
If air outlet temperature sensor detection temperature is more than return air inlet temperature sensor detection temperature, and maintains one minute
When, tail end air conditioner group control system opens a standby air-conditioning, on the contrary then continuation detection air port temperature and return air inlet temperature.
In the present invention, if mean temperature is more than 35 DEG C, tail end air conditioner group in the passage of heat temperature sensor measurement passage of heat
Control system opens all standby air-conditionings, if not then continuing measurement temperature；
If DDC controllers can not read data, judge DDC controllers whether have power-off or failure, if having power-off and
Failure, then tail end air conditioner group control system opens all standby air-conditionings, if no power-off and failure, is determined as that sensor is total to DDC
Line disconnects, and tail end air conditioner group control system opens all standby air-conditionings, if DDC controllers can read data, continues to monitor DDC controls
Device processed.
Beneficial effect:The present invention sends air temperature back to and cold by dispose that temperature sensor monitors tail end air conditioner unit in real time
Passage of heat temperature, and standby air-conditioner set start and stop are accurately controlled automatically according to the failure realization of time and unit, so that
Maintain mean temperature≤24 DEG C in cold passage.
The present invention is sensed by cold passage temperature sensor, passage of heat temperature sensor, tail end air conditioner unit return air temperature
Device and wind pushing temperature sensor real-time monitoring data central temperature information, realize to the start and stop of the standby air-conditioner set of data center and
Protection, improves data center's thermal environment, and realization supplies cold on demand, improves data center's comprehensive energy efficiency.
Brief description of the drawings
The present invention is done with reference to the accompanying drawings and detailed description and further illustrated, it is of the invention above-mentioned or
Otherwise advantage will become apparent.
Return air form temperature sensor schematic view of the mounting position in air-out under Fig. 1；
Fig. 2 data centers temperature sensor location chooses general flow chart；
Fig. 3 data centers tail end air conditioner system automation strategy general flow chart；
Fig. 4 data centers tail end air conditioner system team control policy independence schematic flow sheet；
Fig. 5 data centers tail end air conditioner system team control policy independence schematic flow sheet；
Fig. 6 data centers tail end air conditioner system team control policy independence schematic flow sheet；
Fig. 7 data centers establishment of coordinate system schematic diagram；
Fig. 8 is return air form temperature sensor schematic view of the mounting position in air-out in embodiment 2.
Embodiment
The present invention is elaborated below in conjunction with accompanying drawing.
Embodiment 1：
Such as Fig. 1 and the arrangement that Fig. 8, Fig. 3 are temperature sensor.
It is respectively rack 1, floor 2, cold passage temperature sensor 3, passage of heat backwind tube 4, passage of heat return air temperature in figure
Sensor 5, cold passage ajutage 6, cold passage wind pushing temperature sensor 7, aluminum corner brace 8, passage of heat temperature sensor 9, tail end air conditioner
10th, the passage of heat 11, air outlet 12, cold passage 13, air inlet 14.
Specifically, the scheme of installation of the return air form in lower air-out of the sensor according to Fig. 1, tail end air conditioner is cold logical
Channel temp sensor 3, is located at the center in the 2 times middle aisle of two row rack 1 in floor, for obtaining leaving air temp value；The passage of heat is returned
At air temperature sensor 5, the return air inlet for being installed on tail end air conditioner passage of heat backwind tube 4, for obtaining air return temperature value.
According to the number of the coordinate and size of cold and hot passage, the coordinate of air outlet and return air inlet, each column rack in data center
Amount and air supply mode come the position of temperature sensor.
Reference axis, such as Fig. 7 are set up in arbitrary corner as the origin of coordinates using on floor：
The abscissa of each column rack is M, and the ordinate of cold and hot passage, width, height are respectively U, W, H, the seat of air outlet
C1 is designated as, the coordinate of return air inlet is C2；
The quantity of each column rack in input data center, if rack quantity is even number, rack quantity is designated as 2n, cold and hot logical
Road inner sensor quantity is designated as N, then each cold passage and the temperature sensor quantity N=n in the passage of heat；If rack quantity is strange
Number, then rack quantity is designated as 2n+1, then cold passage and the temperature sensor quantity N=n+1 in the passage of heat；Cold passage and the passage of heat
The abscissa X of interior N platform temperature sensors is identical with the abscissa M of 2N-1 platform racks, X=M, exports cold and hot channel temperature
The abscissa X of sensor；
According to the width W of cold and hot passage, the ordinate Y of input temp sensor, if Y=U+W/2, cold and hot passage is exported
The ordinate Y of temperature sensor, otherwise continues input temp sensor ordinate；
First according to the height H of cold and hot passage, then judge air supply mode, if under serve back mode, then cold passage temperature biography
Sensor is placed in the static pressure layer of floor below floor, the height coordinate Z=H of passage of heat temperature sensor,；If on serve Hui Fang
The height coordinate Z=H of formula, then cold and hot channel temperature sensor, the height coordinate Z of output temperature sensor；
The coordinate (X, Y, Z) of cold and hot channel temperature sensor is obtained, the final position of cold and hot channel temperature sensor is determined
Coordinate A, A=(X, Y, Z).
The coordinate C1 of air outlet and the coordinate C2 of return air inlet are inputted, the coordinate B of air blow and return temperature sensor, coordinate B is determined
Coordinate B1 and return air temperature sensor B2 including wind pushing temperature sensor；If coordinate B1 is identical with coordinate C1, coordinate B2 is with sitting
Mark that C2 is identical, then export the coordinate B of air blow and return temperature sensor, if coordinate B is differed with coordinate C, continue to input out, return air
The coordinate C of mouth；
According to the coordinate A of the cold and hot channel temperature sensor of gained and the coordinate B of air blow and return temperature sensor, judge that A is with B
No have the coordinate of repetition, if in the absence of repeating, exporting cold and hot channel temperature sensor coordinates A and being sat with air blow and return temperature sensor
Mark B；If repeated, then the coordinate A of the cold and hot channel temperature sensor of repetition is deleted, cold and hot channel temperature sensor coordinates are exported
A and air blow and return temperature sensor coordinate B.
In addition, all temperature sensors are connected to each position by aluminum corner brace.
Such as Fig. 3, Fig. 3 is the flow chart of control strategy of the present invention.It is empty that the method that this strategy is provided is used for data center end
Adjust, purpose improves the comprehensive energy efficiency of data center, reaches the effect of Energy Saving Control.As shown in figure 3, the data center machine room air-conditioning
The power-economizing method of end can include：
Step 1, the cold and hot channel temperature of gathered data central machine room tail end air conditioner equipment and air temperature is sent back to.
Step 2, according to the cold and hot channel temperature obtained by temperature sensor and send back to air temperature terminad air-conditioning group control system hair
The request for controlling standby air-conditioning is sent, so that data center is in normal operating condition.
Cold passage temperature terminad air-conditioning according to obtained by cold passage temperature sensor and cold passage wind pushing temperature sensor
Group control system is sent after request, if when the mean temperature for determining multiple temperature sensors in cold passage exceedes the flat of defined
Equal temperature (24 DEG C) and when maintaining 1 minute, or the single temperature sensor of each cold passage exceed the temperature (26 of defined
DEG C) and maintain 1 minute when, tail end air conditioner group control system open 1 standby air-conditioning.If when multiple temperature are passed in determination cold passage
The mean temperature that the mean temperature of sensor exceedes defined is less than defined mean temperature (22 DEG C) and held time more than 30 seconds
When, tail end air conditioner group control system closes all standby air-conditionings.
In addition, the passage of heat temperature terminad according to obtained by passage of heat temperature sensor and passage of heat return air temperature sensor
Air-conditioning group control system is sent after request, if when the mean temperature of multiple temperature sensors in the determination passage of heat is more than 35 DEG C
When, all standby air-conditionings are opened by data center.
Further, according to sending back to after the transmission request of air temperature terminad air-conditioning group control system, if when air outlet temperature
When degree is less than return air inlet temperature and is maintained for more than 1 minute, tail end air conditioner group control system opens 1 standby air-conditioning.
In the present embodiment, to improve the completeness of tail end air conditioner group control system, end robot control system(RCS) is provided with fault detect
Instrument, when operating data center's air-conditioner set breaks down, tail end air conditioner group control system automatically turns on 1 standby sky
Adjust.
Further, end robot control system(RCS) is provided with DDC controllers, and can read data according to DDC controllers judges biography
Whether sensor to DDC buses disconnect, if DDC controllers can not read data, and data center judges sensor to DDC buses
Disconnect, and open all standby air-conditionings.
In addition, if the power-off of DDC controllers or failure, tail end air conditioner group control system automatically turn on all standby air-conditionings.
The control condition of tail end air conditioner group control system automation strategy has：(1) 22 ± 2 DEG C of controls of cold passage temperature, i.e., it is cold logical
Road mean temperature≤24 DEG C；(2) tail end air conditioner unit N+1 is controlled, and is specifically divided into three kinds：1) cold passage mean temperature≤24 are maintained
DEG C the standby air-conditioner set in automatic start-stop end, 2) carry out automatic wheel automatically according to time control for the standby air conditioner in start and stop end
Group, 3) carry out automatic wheel automatically according to unit failure for the standby air-conditioner set in start and stop end.
Its control strategy uses below scheme：
1. open 1 standby air-conditioner set, such as Fig. 4：
(1) in cold passage multiple temperature sensors mean temperature more than 24 DEG C (adjustable) and maintain 1 minute, automatic start
Standby air-conditioning；
(2) the single temperature sensor of each cold passage is more than 26 DEG C and maintains 1 minute, the standby air-conditioning of automatic start；
(3) tail end air conditioner unit leaving air temp>Return air temperature and more than 1 minute, the standby air-conditioning of automatic start；
(4) during the tail end air conditioner unit failure of operation, the standby air-conditioning of automatic start；
(5) multiple temperature sensors in cold passage, such as (1), (2) bar situation occur simultaneously above, the standby sky of automatic start
Adjust.
2. open all standby air-conditionings, such as Fig. 5：
(1) mean temperature of multiple temperature sensors of the passage of heat automatically turns on all air-conditionings in computer room more than 35 DEG C；
(2) when DDC controllers can not read temperature, judge that sensor to DDC buses disconnect, automatically turn on institute in computer room
There is air-conditioning；
(3) DDC controllers power-off or during failure, automatically turns on all air-conditionings in computer room.
3. such as Fig. 6, close standby air-conditioning：22 DEG C of cold passage mean temperature ﹤ and during more than 30 seconds, is automatically stopped end standby
Air-conditioner set.
Embodiment 2：
The invention provides a kind of data center's tail end air conditioner group control system, including a row above rack and
The cold and hot passage connected with tail end air conditioner group control system, cold and hot passage is included in cold passage and the passage of heat, cold passage and the passage of heat
Provided with temperature sensor, temperature sensor is controlled by tail end air conditioner group control system, and tail end air conditioner group control system controls more than one
Standby air-conditioning, cold and hot passage is arranged between adjacent rack.
It is provided with the present invention, in the cold passage in more than one cold passage temperature sensor, the passage of heat and is provided with one
Passage of heat temperature sensor above, cold passage temperature sensor and passage of heat temperature sensor are connected to tail end air conditioner team control system
System.
In the present invention, cold passage is arranged alternately with the passage of heat.
In the present invention, the tail end air conditioner group control system connects one group of cold passage temperature sensor, air outlet temperature respectively
Sensor, return air inlet temperature sensor, one group of passage of heat temperature sensor and DDC controllers, the connection of tail end air conditioner group control system
End robot control system(RCS), end robot control system(RCS) includes detecting instrument；
If monitoring instrument detects that instrumentation breaks down in operation, tail end air conditioner group control system unlatching one is standby
Air-conditioning, continues detection if not having failure；
If mean temperature is more than 22 DEG C less than 24 DEG C in cold passage temperature sensor measurement cold passage, continue to detect environment
Temperature, otherwise continues next step；
If mean temperature is less than 22 DEG C and more than 30 seconds in cold passage temperature sensor measurement cold passage, tail end air conditioner group
Control system closes standby air-conditioning；If mean temperature is more than 24 DEG C and dimension in cold passage inner cooling path temperature sensor measurement cold passage
Hold one minute, or when there is single cold passage temperature sensor measurement temperature to be more than 26 DEG C and maintain one minute, then end is empty
Adjust group control system to open a standby air-conditioning, otherwise continue next step；
If air outlet temperature sensor detection temperature is more than return air inlet temperature sensor detection temperature, and maintains one minute
When, tail end air conditioner group control system opens a standby air-conditioning, on the contrary then continuation detection air port temperature and return air inlet temperature.
In the present invention, if mean temperature is more than 35 DEG C, tail end air conditioner group in the passage of heat temperature sensor measurement passage of heat
Control system opens all standby air-conditionings, if not then continuing measurement temperature；
If DDC controllers can not read data, judge DDC controllers whether have power-off or failure, if having power-off and
Failure, then tail end air conditioner group control system opens all standby air-conditionings, if no power-off and failure, is determined as that sensor is total to DDC
Line disconnects, and tail end air conditioner group control system opens all standby air-conditionings, if DDC controllers can read data, continues to monitor DDC controls
Device processed.
Embodiment 3:
It is the scheme of installation of return air form in air-out on sensor such as Fig. 8, cold passage wind pushing temperature sensor 7 is installed
At the air outlet of cold passage ajutage 6, for obtaining wind pushing temperature value；Passage of heat temperature sensor 9, is located at top trace frame
The middle position of aluminum corner brace 8, for obtaining leaving air temp value.
The invention provides a kind of data center tail end air conditioner group control system, implement the technical scheme method and
Approach is a lot, and described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.Each part being not known in the present embodiment can use prior art to be realized.
Claims (5)
1. a kind of data center tail end air conditioner group control system, including a row above rack and with tail end air conditioner group control system
The cold and hot passage of connection, cold and hot passage includes cold passage and the passage of heat, it is characterised in that temperature is provided with cold passage and the passage of heat
Sensor, temperature sensor is controlled by tail end air conditioner group control system, and tail end air conditioner group control system controls more than one standby sky
Adjust, cold and hot passage is arranged between adjacent rack.
2. a kind of data center tail end air conditioner group control system according to claim 1, it is characterised in that the cold passage
Interior be provided with more than one cold passage temperature sensor, the passage of heat is provided with more than one passage of heat temperature sensor, cold logical
Channel temp sensor and passage of heat temperature sensor are connected to tail end air conditioner group control system.
3. a kind of data center tail end air conditioner group control system according to claim 1, it is characterised in that cold passage and heat
Passage is arranged alternately.
4. a kind of data center tail end air conditioner group control system according to claim 1, it is characterised in that the end is empty
Adjust group control system connect respectively one group of cold passage temperature sensor, air outlet temperature sensor, return air inlet temperature sensor, one group
Passage of heat temperature sensor and DDC controllers, tail end air conditioner group control system connection end robot control system(RCS), end robot control system(RCS) include
Detecting instrument；
If monitoring instrument detects that instrumentation breaks down in operation, tail end air conditioner group control system opens a standby sky
Adjust, continue detection if not having failure；
If mean temperature is more than 22 DEG C less than 24 DEG C in cold passage temperature sensor measurement cold passage, continue to detect environment temperature
Degree, otherwise continues next step；
If mean temperature is less than 22 DEG C and more than 30 seconds in cold passage temperature sensor measurement cold passage, tail end air conditioner team control system
System closes standby air-conditioning；If mean temperature is more than 24 DEG C and maintenance one in cold passage inner cooling path temperature sensor measurement cold passage
Minute, or when have single cold passage temperature sensor measurement temperature be more than 26 DEG C and maintain one minute when, then tail end air conditioner group
Control system opens a standby air-conditioning, otherwise continues next step；
If air outlet temperature sensor detection temperature is more than return air inlet temperature sensor detection temperature, and when maintaining one minute,
Tail end air conditioner group control system opens a standby air-conditioning, on the contrary then continuation detection air port temperature and return air inlet temperature.
5. a kind of data center tail end air conditioner group control system according to claim 3, it is characterised in that if passage of heat temperature
Spend mean temperature in the sensor measurement passage of heat and be more than 35 DEG C, then tail end air conditioner group control system opens all standby air-conditionings, if not
It is to continue measurement temperature；
If DDC controllers can not read data, judge whether DDC controllers have power-off or failure, if having power-off and failure,
Then tail end air conditioner group control system opens all standby air-conditionings, if no power-off and failure, is determined as that sensor is disconnected to DDC buses
Open, tail end air conditioner group control system opens all standby air-conditionings, if DDC controllers can read data, continue to monitor DDC controls
Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710262199.9A CN107166628B (en) | 2017-04-20 | 2017-04-20 | Terminal air conditioner group control system for data center |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710262199.9A CN107166628B (en) | 2017-04-20 | 2017-04-20 | Terminal air conditioner group control system for data center |
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| Publication Number | Publication Date |
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| CN107166628A true CN107166628A (en) | 2017-09-15 |
| CN107166628B CN107166628B (en) | 2020-10-27 |
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ID=59813364
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| CN201710262199.9A Active CN107166628B (en) | 2017-04-20 | 2017-04-20 | Terminal air conditioner group control system for data center |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112305906A (en) * | 2020-12-31 | 2021-02-02 | 南京壹格软件技术有限公司 | Data center modular air conditioner group control energy-saving system and method |
| CN112797684A (en) * | 2020-12-30 | 2021-05-14 | 厦门科灿信息技术有限公司 | Air conditioner control method of data center and terminal equipment |
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| CN101053291A (en) * | 2004-09-01 | 2007-10-10 | 惠普开发有限公司 | CRAC unit control based on re-circulation index |
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| CN112797684A (en) * | 2020-12-30 | 2021-05-14 | 厦门科灿信息技术有限公司 | Air conditioner control method of data center and terminal equipment |
| CN112797684B (en) * | 2020-12-30 | 2022-09-09 | 厦门科灿信息技术有限公司 | Air conditioner control method of data center and terminal equipment |
| CN112305906A (en) * | 2020-12-31 | 2021-02-02 | 南京壹格软件技术有限公司 | Data center modular air conditioner group control energy-saving system and method |
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| Publication number | Publication date |
|---|---|
| CN107166628B (en) | 2020-10-27 |
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