CN113873834A - Down-blowing precise air conditioner airflow control system and data center machine room - Google Patents
Down-blowing precise air conditioner airflow control system and data center machine room Download PDFInfo
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- CN113873834A CN113873834A CN202111115034.1A CN202111115034A CN113873834A CN 113873834 A CN113873834 A CN 113873834A CN 202111115034 A CN202111115034 A CN 202111115034A CN 113873834 A CN113873834 A CN 113873834A
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- 238000007664 blowing Methods 0.000 title claims description 10
- 230000008520 organization Effects 0.000 claims abstract description 41
- 230000001276 controlling effect Effects 0.000 claims abstract description 13
- 230000001105 regulatory effect Effects 0.000 claims abstract description 12
- 238000009423 ventilation Methods 0.000 claims description 8
- 238000012544 monitoring process Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims 1
- 238000012423 maintenance Methods 0.000 description 5
- 238000004891 communication Methods 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20709—Modifications to facilitate cooling, ventilating, or heating for server racks or cabinets; for data centers, e.g. 19-inch computer racks
- H05K7/20718—Forced ventilation of a gaseous coolant
- H05K7/20745—Forced ventilation of a gaseous coolant within rooms for removing heat from cabinets, e.g. by air conditioning device
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20709—Modifications to facilitate cooling, ventilating, or heating for server racks or cabinets; for data centers, e.g. 19-inch computer racks
- H05K7/20836—Thermal management, e.g. server temperature control
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Air Conditioning Control Device (AREA)
Abstract
The invention discloses an airflow control system of a downward air supply precise air conditioner and a data center machine room, belongs to the technical field of data center machine rooms, and aims to solve the technical problem of how to realize optimal configuration of downward air supply airflow organization. The control system includes: each electric switch air valve is arranged below the machine room raised floor and positioned at the inlet of the corresponding air supply channel and is used for regulating and controlling the conduction and the closing of the corresponding air supply channel; the wind speed sensor is arranged in each air supply channel and used for acquiring the wind speed of the corresponding air supply channel; the air supply system comprises pressure difference sensors, a controller and a controller, wherein at least one pressure difference sensor is arranged in each air supply channel and is used for acquiring the pressure difference of the corresponding air supply channel; and the airflow organization controller is used for acquiring the wind speed and the pressure difference of each air supply channel, adjusting the corresponding lower air supply precise air conditioner according to the wind speed and the pressure difference, and adjusting the electric switch air valve to adjust the conduction and the closing of the air supply channel.
Description
Technical Field
The invention relates to the technical field of data center machine rooms, in particular to a downward air supply precise air conditioner airflow control system and a data center machine room.
Background
The data center industry develops rapidly, and data center computer lab construction type is various, and wherein, the data center computer lab adopts the form of supplying air under the accurate air conditioner of room level more, and lower air supply air current organizational design has the advantage that the air supply is even, the regional difference in temperature of computer lab is little, effectively avoids the flood hidden danger, simultaneously, also has the air supply distance far away, the cold volume utilization ratio is low, difficult shortcoming of adjusting.
In view of the low requirement of the data center PUE and the need of overcoming the defects of the form of the air flow supplied under the data center machine room, the technical problem to be solved is how to realize the optimal configuration of the air flow organization of the lower air supply aiming at the problems of the air flow organization of the lower air supply precision air conditioner conventionally adopted by the existing data machine room so as to realize capacity expansion of the data machine room according to the needs, reduce the loss of cooling capacity and reduce the energy consumption of the precision air conditioner.
Disclosure of Invention
The invention aims at the defects and provides a down-blowing precise air conditioner airflow control system and a data center machine room to solve the technical problem of realizing the optimal configuration of down-blowing airflow organization.
In a first aspect, the present invention provides a system for controlling an airflow of a lower-blowing precision air conditioner, which is applied to a data center machine room, and is configured to adjust an airflow in a blowing channel by controlling an operation state of the lower-blowing precision air conditioner, the system comprising:
the electric switch air valves are in one-to-one correspondence with the air supply channels, and each electric switch air valve is arranged below the antistatic floor of the machine room and positioned at the inlet of the corresponding air supply channel and used for regulating and controlling the on and off of the corresponding air supply channel;
the wind speed sensors are arranged in each air supply channel and are used for acquiring the wind speed of the corresponding air supply channel;
the pressure difference sensors are at least one, at least one pressure difference sensor is arranged in each air supply channel, and the pressure difference sensors are used for acquiring the pressure difference of the corresponding air supply channels;
and the airflow organization controller is respectively connected with the electric switch air valve, the air speed sensor and the differential pressure sensor, is used for acquiring the air speed and the differential pressure of each air supply channel, adjusts the corresponding lower air supply precise air conditioner according to the air speed and the differential pressure, and adjusts the electric switch air valve to adjust the conduction and the closing of the air supply channels.
Preferably, an air speed sensor is arranged in each air supply channel and is arranged in the middle section of each air supply channel;
or, all be provided with a plurality of air supply sensors in every air supply passageway, a plurality of air supply sensors evenly arrange in the air supply passageway that corresponds, to every air supply passageway, the air current organization controller is used for calculating the average value of the wind speed that a plurality of air supply sensors gathered is as the wind speed that corresponds air supply passageway.
Preferably, a pressure difference sensor is arranged in each air supply channel and is arranged in the middle section of the air supply channel;
or, all be provided with a plurality of differential pressure sensors in every air supply passageway, a plurality of differential pressure sensors evenly arrange in corresponding air supply passageway, to every air supply passageway, air current tissue controller is used for calculating the average value of the differential pressure that a plurality of differential pressure sensors gathered as the differential pressure that corresponds air supply passageway.
Preferably, the alarm is arranged in the data center machine room and connected with the airflow organization controller, and the alarm is triggered by the airflow organization controller to give an alarm in a sound light and/or buzzing mode.
Preferably, the airflow organization controller is configured with an SIM card, and sends a short message to the remote mobile phone through the SIM card to alarm.
Preferably, the wind energy and wind energy integrated system further comprises a monitoring platform, wherein the monitoring platform is connected with the airflow organization controller in a wired or wireless mode and is used for displaying the wind speed, the pressure difference and the working state of the electric switch air valve.
In a second aspect, the data center room of the present invention includes a room body and a closed cold air duct located in the room body, and further includes:
the raised floor is laid in the machine room body and consists of a plurality of ventilation floors and a plurality of anti-static floors, a ventilation hole is formed in the surface of each ventilation floor, and a ventilation floor is laid at the inlet of each closed cold channel;
the air supply channels are at least one and are all positioned below the raised floor, the air supply channels correspond to the closed cold channels one by one, and the air supply channels, the air supply floor and the closed cold channels are sequentially communicated from bottom to top;
the lower air supply precise air conditioner is arranged in the machine room body, each air supply channel corresponds to at least one lower air supply precise air conditioner, and air flow generated by the lower air supply precise air conditioner flows into the corresponding air supply channel under the regulation and control of the electric switch valve;
the control system is the airflow control system of the lower air supply precise air conditioner according to any one of the first aspect, and is used for acquiring the air speed and the pressure difference of each air supply channel, regulating and controlling the rotating speed of a fan of the lower air supply air conditioner based on the air speed and the pressure difference so as to regulate and control the airflow of the air supply channels, and regulating the on and off of the corresponding air supply channels through an electric switch air valve.
Preferably, the air supply channel is a channel formed by a wind shielding and heat insulation plate.
The lower air supply precise air conditioner airflow control system and the data center machine room have the following advantages that:
1. the wind speed is collected through a wind speed sensor, the pressure difference is collected through a pressure difference sensor, and the lower air supply precision air conditioner is adjusted according to the wind speed and pressure difference signal data, so that the air flow of an air supply air channel can be adjusted;
2. the alarm can give an alarm on site in time to remind the on-site operation and maintenance personnel;
3. the staff can be informed in time through short message alarming, so that the alarming state can be known in time and remotely;
4. by controlling the airflow organization of the downward air supply precise air conditioner, the capacity expansion of the data machine room refrigeration according to the requirement is realized according to the characteristics of the staged deployment of the machine room area; the area of an air supply area under the raised floor is reduced, so that the cold loss is reduced, and the energy consumption of the precision air conditioner is reduced; the air flow organization controller sends an operation signal to the lower air supply precise air conditioner, so that the control of the air supply volume is realized, and the operation and maintenance personnel management is facilitated.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a block diagram of the operation of an air flow control system of an air supply precision air conditioner in embodiment 1;
fig. 2 is a block diagram of a data center room in embodiment 2.
Detailed Description
The present invention is further described in the following with reference to the drawings and the specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention, and the embodiments and the technical features of the embodiments can be combined with each other without conflict.
The embodiment of the invention provides an airflow control system of a downward air supply precise air conditioner and a data center machine room, which are used for solving the technical problem of how to realize the optimal configuration of downward air supply airflow organization.
Example 1:
the invention discloses an airflow control system of a lower air supply precise air conditioner, which is applied to a data center machine room and used for regulating airflow in an air supply channel by controlling the running state of the lower air supply precise air conditioner, and comprises electric switch air valves, an air speed sensor, a pressure difference sensor and an airflow organization controller, wherein the electric switch air valves are in one-to-one correspondence with the air supply channel, and each electric switch air valve is arranged below an overhead floor of the machine room and positioned at an inlet of the corresponding air supply channel and used for regulating and controlling the conduction and the closing of the corresponding air supply channel; the wind speed sensor is at least one, at least one wind speed sensor is arranged in each air supply channel, and the wind speed sensor is used for acquiring the wind speed of the corresponding air supply channel; at least one pressure difference sensor is arranged in each air supply channel, and the pressure difference sensor is used for collecting the pressure difference of the corresponding air supply channel; the airflow organization controller is respectively connected with the electric switch air valve, the air speed sensor and the pressure difference sensor, is used for acquiring the air speed and the pressure difference of each air supply channel, adjusting the corresponding lower air supply precise air conditioner according to the air speed and the pressure difference, and is used for adjusting the electric switch air valve to adjust the conduction and the closing of the air supply channels.
Each air supply channel is internally provided with an air speed sensor which is arranged at the middle section of the air supply channel; or a plurality of air supply sensors are arranged in each air supply channel, the air supply sensors are uniformly distributed in the corresponding air supply channel, and for each air supply channel, the airflow organization controller is used for calculating the average value of the wind speeds acquired by the air supply sensors and taking the average value as the wind speed of the corresponding air supply channel. In this embodiment, three wind speed sensors are disposed in each air supply duct and are respectively located at an inlet, a middle section, and an outlet of the air supply duct, and the airflow organization controller receives wind speed values of the three wind speed sensors and calculates an average value as a wind speed of the air supply duct, so that the obtained wind speed value of the air supply duct is more accurate.
A pressure difference sensor is arranged in each air supply channel and is arranged in the middle section of the air supply channel; or a plurality of differential pressure sensors are arranged in each air supply channel, the differential pressure sensors are uniformly distributed in the corresponding air supply channel, and for each air supply channel, the airflow organization controller is used for calculating the average value of the differential pressure collected by the differential pressure sensors to be used as the differential pressure of the corresponding air supply channel. In this embodiment, three pressure difference sensors are disposed in each air supply duct and are respectively located at an inlet, a middle section, and an outlet of the air supply duct, and the airflow organization controller receives pressure difference values of the three pressure difference sensors and calculates an average value as a pressure difference of the air supply duct, so that the obtained pressure difference value of the air supply duct is more accurate.
The system further comprises an alarm which is arranged in the data center machine room and connected with the airflow organization controller, and the alarm is used for giving an alarm in a sound-light and buzzing mode under the triggering of the airflow organization controller. The alarm in the embodiment is a sound-light alarm to alarm and remind through sound and light beams.
The airflow organization controller is provided with an SIM card and sends a short message to a remote mobile phone for alarming through the SIM card.
The system also comprises a monitoring platform which is connected with the airflow organization controller in a wired or wireless mode and is used for displaying the wind speed, the pressure difference and the working state of the electric switch air valve. In this embodiment, the air flow organization controller is configured with a wireless communication module that supports wifi and 3G/4G communication modes as well as a 5G communication mode.
In the regulation and control system of the embodiment, the logical relationship between the precise air conditioners and the electric switch air valves is established in the airflow organization controller, and the corresponding relationship is established according to the opening number of the precise air conditioners and the electric switch air valves; meanwhile, the logical relations among the wind speed sensor, the pressure difference sensor, the air supply channel and the corresponding precise air conditioner are established, and timely regulation and control are facilitated.
The regulating and controlling system monitors the wind speed and the pressure difference in the air supply channel, regulates and controls the precision air conditioner based on the wind speed and the pressure difference, and gives an alarm.
The airflow organization controller receives a wind speed signal of a wind speed sensor in the air supply channel, and when the wind speed of the air supply channel to the closed cold channel is more than 2m/s, the airflow organization controller sends an instruction to reduce the rotating speed of a fan of the precision air conditioner; when the air speed of the air supply channel to the closed cold channel is less than 1m/s, the airflow organization controller sends out an instruction to increase the rotating speed of the fan of the precision air conditioner.
The air flow organization controller receives a pressure difference signal of a pressure difference sensor in the air supply channel, when the pressure difference of the air supply channel to the closed cold channel is 0Pa or less, the judgment is made according to the on-off state of the electric switch air valve, if the electric switch air valve cannot be opened timely, a signal is output to the machine room monitoring platform, the short message alarm and the field alarm, the short message alarm is sent to a mobile phone of an operation and maintenance person in a short message communication mode to give an alarm, and the field alarm sends a signal to the operation and maintenance person in a sound sending mode.
The airflow organization controller receives the starting number and the state signals of the downward air supply precise air conditioners, the starting number of the downward air supply precise air conditioners reaches corresponding indexes, and the electric switch air valves are correspondingly started, so that the air supply channel is conducted.
The electric switch air valves are arranged at the inlet of the air supply channel, receive the instruction of the airflow organization controller, and determine the number and the opening state of the electric switch air valves according to the starting number of the lower air supply precise air conditioners.
The regulation and control system controls the airflow organization of the downward air supply precise air conditioner, and further realizes the capacity expansion of data machine room refrigeration as required according to the characteristics of the staged deployment of the machine room area; the area of an air supply area under the raised floor is reduced, so that the cold loss is reduced, and the energy consumption of the precision air conditioner is reduced; the air flow organization controller sends an operation signal to the lower air supply precise air conditioner, so that the control of the air supply volume is realized, and the operation and maintenance personnel management is facilitated.
Example 2:
the data center machine room comprises a machine room body, a closed cold channel, an overhead floor, an air supply channel, a lower air supply precise air conditioner and a control system, wherein the closed cold channel is positioned in the machine room body; at least one air supply channel is arranged in the machine room body, the air supply channels correspond to the closed cold channels one by one, and the air supply channels, the air supply floor and the closed cold channels are communicated in sequence from bottom to top; the lower air supply precise air conditioners are arranged in the machine room body, each air supply channel corresponds to at least one lower air supply precise air conditioner, and air flow generated by the lower air supply precise air conditioners flows into the corresponding air supply channels under the regulation and control of the electric switch valves; the control system is the air flow control system of the lower air supply precise air conditioner disclosed in embodiment 1, and is used for acquiring the air speed and the pressure difference of each air supply channel, regulating and controlling the rotating speed of a fan of the lower air supply air conditioner based on the air speed and the pressure difference so as to regulate and control the air flow of the air supply channel, and regulating the conduction and the closing of the corresponding air supply channel through an electric switch air valve.
The air supply channel in the embodiment is a channel formed by the wind shielding heat insulation plate, the wind shielding heat insulation plate forms an air supply static pressure box area under the precision air conditioner, an irrelevant area under the anti-static floor is isolated, and the cold airflow of the air conditioner is fully utilized.
While the invention has been shown and described in detail in the drawings and in the preferred embodiments, it is not intended to limit the invention to the embodiments disclosed, and it will be apparent to those skilled in the art that many more embodiments of the invention are possible that combine the features of the different embodiments described above and still fall within the scope of the invention.
Claims (8)
1. Accurate air conditioner air current control system of supplying air down, its characterized in that is applied to data center computer lab for the running state through the accurate air conditioner of supplying air under the control is with adjusting air current in the air supply passageway, control system includes:
the electric switch air valves are in one-to-one correspondence with the air supply channels, and each electric switch air valve is arranged below the machine room raised floor and positioned at an inlet of the corresponding air supply channel and used for regulating and controlling the conduction and the closing of the corresponding air supply channel;
the wind speed sensors are arranged in each air supply channel and are used for acquiring the wind speed of the corresponding air supply channel;
the pressure difference sensors are at least one, at least one pressure difference sensor is arranged in each air supply channel, and the pressure difference sensors are used for acquiring the pressure difference of the corresponding air supply channels;
and the airflow organization controller is respectively connected with the electric switch air valve, the air speed sensor and the differential pressure sensor, is used for acquiring the air speed and the differential pressure of each air supply channel, adjusts the corresponding lower air supply precise air conditioner according to the air speed and the differential pressure, and adjusts the electric switch air valve to adjust the conduction and the closing of the air supply channels.
2. The system of claim 1, wherein each air supply channel is provided with an air speed sensor, and the air speed sensor is arranged in the middle section of the air supply channel;
or, all be provided with a plurality of air supply sensors in every air supply passageway, a plurality of air supply sensors evenly arrange in the air supply passageway that corresponds, to every air supply passageway, the air current organization controller is used for calculating the average value of the wind speed that a plurality of air supply sensors gathered is as the wind speed that corresponds air supply passageway.
3. The bottom-blowing precise air conditioner airflow control system according to claim 1, characterized in that a pressure difference sensor is arranged in each blowing channel, and the pressure difference sensor is arranged in the middle section of the blowing channel;
or, all be provided with a plurality of differential pressure sensors in every air supply passageway, a plurality of differential pressure sensors evenly arrange in corresponding air supply passageway, to every air supply passageway, air current tissue controller is used for calculating the average value of the differential pressure that a plurality of differential pressure sensors gathered as the differential pressure that corresponds air supply passageway.
4. The downward air supply precise air conditioner airflow control system according to any one of claims 1-3, characterized by further comprising an alarm, wherein the alarm is arranged in the data center machine room and connected with the airflow organization controller, and is used for alarming in a sound light and/or buzzer manner under the triggering of the airflow organization controller.
5. The system of any one of claims 4, wherein the airflow organization controller is configured with a SIM card, and the airflow organization controller sends a short message alarm to a remote mobile phone through the SIM card.
6. The system for controlling the airflow of a lower air supply precise air conditioner according to any one of claims 4, characterized by further comprising a monitoring platform, wherein the monitoring platform is connected with the airflow organization controller in a wired or wireless manner and is used for displaying the wind speed, the pressure difference and the working state of an electric switch air valve.
7. Data center computer lab includes the computer lab body and is located this internal cold passageway of sealing of computer lab, and its characterized in that still includes:
the raised floor is laid in the machine room body and consists of a plurality of ventilation floors and a plurality of anti-static floors, a ventilation hole is formed in the surface of each ventilation floor, and a ventilation floor is laid at the inlet of each closed cold channel;
the air supply channels are at least one and are all positioned below the raised floor, the air supply channels correspond to the closed cold channels one by one, and the air supply channels, the air supply floor and the closed cold channels are sequentially communicated from bottom to top;
the lower air supply precise air conditioner is arranged in the machine room body, each air supply channel corresponds to at least one lower air supply precise air conditioner, and air flow generated by the lower air supply precise air conditioner flows into the corresponding air supply channel under the regulation and control of the electric switch valve;
the control system is the lower air supply precise air conditioner airflow control system as claimed in any one of claims 1 to 6, and is used for acquiring the air speed and the pressure difference of each air supply channel, regulating and controlling the fan rotating speed of the lower air conditioner based on the air speed and the pressure difference so as to regulate and control the airflow of the air supply channels, and regulating the conduction and the closing of the corresponding air supply channels through the electric switch air valve.
8. The data center room of claim 7, wherein the air supply channel is a channel formed by a wind-shielding and heat-insulating plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111115034.1A CN113873834B (en) | 2021-09-23 | 2021-09-23 | Down-blowing precise air conditioner airflow control system and data center machine room |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111115034.1A CN113873834B (en) | 2021-09-23 | 2021-09-23 | Down-blowing precise air conditioner airflow control system and data center machine room |
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| CN113873834A true CN113873834A (en) | 2021-12-31 |
| CN113873834B CN113873834B (en) | 2023-03-24 |
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|---|---|
| CN113873834B (en) | 2023-03-24 |
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