CN112654221B - Energy-saving container data center and temperature control method thereof - Google Patents
Energy-saving container data center and temperature control method thereof Download PDFInfo
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- CN112654221B CN112654221B CN202110063605.5A CN202110063605A CN112654221B CN 112654221 B CN112654221 B CN 112654221B CN 202110063605 A CN202110063605 A CN 202110063605A CN 112654221 B CN112654221 B CN 112654221B
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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
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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
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
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Abstract
The invention discloses an energy-saving container data center and a temperature control method thereof, which solve the technical problem that the conventional container data center cannot accurately judge the power of starting equipment and control the temperature at low cost. The novel energy-saving container comprises a container and a PLC (programmable logic controller) electric control cabinet, wherein a fresh air channel, an energy-saving channel and an exhaust air channel which are sequentially communicated are arranged in the container, the energy-saving channel is divided into a first energy-saving channel and a second energy-saving channel by IT (information technology) equipment which is arranged inside, a fresh air fan, a humidity collector, a return air electric shutter motor and a fresh air electric shutter motor are arranged in the fresh air channel, a first temperature collector is arranged in the first energy-saving channel, a return air fan and a second temperature collector are arranged in the second energy-saving channel, and an exhaust fan and an exhaust electric shutter motor are arranged in the exhaust air channel. The invention can judge the power of the starting equipment in the data center through the delta T value, realize low-cost and accurate low-energy consumption control, reduce the PUE value, judge the Tbeta and the delta T value simultaneously and control the total air volume of a fresh air and exhaust system.
Description
Technical Field
The invention belongs to the technical field of data centers, and particularly relates to an energy-saving container data center and a temperature control method thereof.
Background
Computer equipment has higher requirements on the temperature of a machine room, and the high temperature easily causes the poor heat dissipation of the machine, so that the working parameters of a transistor drift, the stability and the reliability of a circuit are influenced, and components can be broken down and damaged in severe cases. According to the authority statistics, only 33% of the power consumed in the data center is supplied to the IT load, and the heat dissipation load is as high as 62%, that is, the power used for air conditioning cooling is equal to or exceeds the power used for calculation.
PUE (power usage efficiency) is an index for evaluating energy efficiency of a data center, is a ratio of all energy consumed by the data center to energy used by an IT load, is an inverse ratio of DCIE (data center infrastructure efficiency), has a standard of 2, indicates that an energy efficiency level is better as being closer to 1, and is a measurement index for internationally comparing power use efficiency of the data center. The PUE value of the existing container data center is generally higher, the control system cannot simply judge the power of the starting equipment in the container data center, the judgment is realized only by purchasing expensive power monitoring equipment, or the existing heat dissipation control data acquisition and calculation are ambiguous, so that the reasonable temperature control system can effectively reduce the PUE value and efficiently reduce the room temperature of the data center.
Therefore, the invention provides an energy-saving container data center and a temperature control method thereof, solves the technical problems that the power of starting equipment in the data center cannot be accurately judged and the energy saving cannot be achieved through accurate control in the conventional container data center, and realizes the temperature control with low energy consumption through judging the temperature average value and the temperature difference value of different channels.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the energy-saving container data center and the temperature control method thereof are provided, and the technical problems that the conventional container data center cannot accurately judge the power of the starting equipment in the data center at low cost and cannot accurately control the starting equipment at low cost to save energy are solved.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
an energy-saving container data center comprises a container and a PLC (programmable logic controller), wherein a fresh air channel, an energy-saving channel and an exhaust air channel which are sequentially communicated are arranged in the container, IT equipment is arranged in the energy-saving channel, the energy-saving channel is divided into a first energy-saving channel connected with the fresh air channel and a second energy-saving channel connected with the exhaust air channel by the IT equipment, a fresh air fan, a humidity collector, a return air electric shutter motor arranged on a return air shutter and a fresh air electric shutter motor arranged on the fresh air shutter are arranged in the fresh air channel, a first temperature collector is arranged in the first energy-saving channel, a return air fan and a second temperature collector are arranged in the second energy-saving channel, and an exhaust fan and an exhaust electric shutter motor arranged on the exhaust shutter are arranged in the exhaust air channel; the PLC electric control cabinet is respectively connected with a fresh air fan, a humidity collector, a return air electric shutter motor, a fresh air electric shutter motor, a temperature collector, a return air fan, an exhaust fan and an exhaust electric shutter motor.
Furthermore, the fresh air duct, the first energy-saving channel, the second energy-saving channel and the exhaust air duct are separated by partition walls made of heat-insulating and air-isolating materials.
Furthermore, the fresh air fan at least comprises a first fresh air fan and a second fresh air fan.
Furthermore, the fresh air electric louver motor is installed at the front end or the rear end of the fresh air fan, the return air electric louver motor is installed at the front end or the rear end of the return air fan, and the exhaust electric louver motor is installed at the front end or the rear end of the exhaust fan.
Furthermore, the number of the first temperature collectors is at least two, and the two first temperature collectors are respectively arranged at two ends of the first energy-saving channel.
Furthermore, the number of the second temperature collectors is at least two, and the two second temperature collectors are respectively installed at two ends of the second energy-saving channel.
Furthermore, the exhaust fan at least comprises a first exhaust fan and a second exhaust fan.
A temperature control method of an energy-saving container data center is characterized by comprising the following steps:
s1, respectively acquiring temperature data by a first temperature acquisition device in a first energy-saving channel and a second temperature acquisition device in a second energy-saving channel; a humidity collector in the fresh air duct collects humidity data and sets the humidity data as RH1;
s2, calculating an average value of temperature data collected by a first temperature collector in the first energy-saving channel as an average temperature value T beta in the first energy-saving channel, and calculating an average value of temperature data collected by a second temperature collector in the second energy-saving channel as an average temperature value T alpha in the second energy-saving channel;
s3, calculating a difference value delta T of the average temperature in the first energy-saving channel and the average temperature in the second energy-saving channel;
s4, setting a humidity reference value a; respectively setting a first temperature reference value b, a second temperature reference value c, a third temperature reference value d and a fourth temperature reference value e, wherein b is more than c and more than d is more than e at 40 ℃;
s5, calculating the heat dissipation air quantity Q required by the container data center, wherein Q = 0.05P/delta Tc,
wherein: p is the IT equipment power, Δ Tc is the allowable temperature rise, and Q is the volume of air exhausted per minute;
s6, calculating the total air volume of the fresh air fan and the total air volume of the exhaust fan to be the required heat dissipation air volume Q, wherein the total air volume of the return air fan is 1/3 times of the required heat dissipation air volume Q;
s7, starting different air channels for cooling: adjusting the on-off operation of different fans by comparing RH1 with a, tbeta with b, c, d, e, 1, and comparing delta T with empirical formula values obtained by delta Tc, b, c, d, e;
wherein: the RH1 parameter is judged and set as the priority, when the RH1 is more than or equal to a, the fresh air electric shutter motor is closed, and other air channels or other cooling modes are started; when RH1 is less than a, comparing the average temperature value in the first energy-saving channel with b, c, d, e, 1, and comparing delta T with delta Tc, b, c, d, e, to control the total air quantity of the fresh air system and the exhaust system, and the air quantity of the return air fan.
Further, more acquired data can be obtained for Tbeta and Talpha, and then the average value is calculated; more judgment control intervals can be added, and more temperature reference values can be set.
Furthermore, the number of the fresh air fans, the number of the exhaust fans or the number of the return air fans can be increased or reduced, and then Q is divided into more equal parts or unequal parts to the air volume of each fresh air fan, each exhaust fan or each return air fan.
Compared with the prior art, the invention has the following beneficial effects:
the invention has scientific and reasonable design and convenient use, solves the technical problems that the power of the opening equipment in the data center cannot be judged accurately at low cost and the energy conservation cannot be achieved by low-cost and accurate control in the conventional container data center, and realizes the temperature control with low energy consumption by judging the temperature average value and the temperature difference value of different channels.
The container is internally provided with a fresh air duct, an energy-saving channel and an exhaust air duct which are sequentially communicated, IT equipment is arranged in the energy-saving channel, the IT equipment divides the energy-saving channel into a first energy-saving channel connected with the fresh air duct and a second energy-saving channel connected with the exhaust air duct, and fans are arranged in different air ducts for temperature regulation and control; wherein both sides of the first energy-saving channel and the second energy-saving channel are provided with temperature collectors, and a humidity collector is arranged in the fresh air duct.
The invention can obtain the power of the starting equipment in the container data center by judging the value of the delta T, thereby realizing more accurate control, and realizing low energy consumption due to more accurate control, thereby effectively reducing the PUE value of the container data center; the numerical intervals of the Tbeta numerical value and the delta T numerical value are judged through the calculation of the early air volume, so that the total air volume of a fresh air system and an exhaust system can be accurately controlled; and the safety of the IT equipment in the container data center is ensured by judging the priority by the RH1 value. In addition, when the outdoor environment temperature is lower, lower energy consumption is realized through the operation of the return air fan, and energy conservation and environmental protection are achieved.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
FIG. 2 is a control method diagram of the present invention.
Fig. 3 is a diagram of the practical application of the control method of the present invention.
Wherein, the names corresponding to the reference numbers are: 1-container, 2-fresh air duct, 3-exhaust air duct, 4-IT equipment, 5-first energy-saving duct, 6-second energy-saving duct, 7-PLC electric control cabinet, 21-fresh air fan, 22-humidity collector, 23-return air electric louver motor, 24-fresh air electric louver motor, 31-exhaust air fan, 32-exhaust air electric louver motor, 51-first temperature collector, 61-second temperature collector, 62-return air fan, 210-first fresh air fan, 211-second fresh air fan, 310-first exhaust air fan, 311-second exhaust air fan.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation or be constructed and operated in a particular orientation, and thus, it should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; of course, mechanical connection and electrical connection are also possible; alternatively, they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
As shown in fig. 1-3, the energy-saving container data center and the temperature control method thereof provided by the invention have the advantages of scientific and reasonable design and convenient use, solve the technical problems that the power of the opening equipment in the data center cannot be accurately judged and the energy saving cannot be achieved by accurate control in the conventional container data center, and realize the temperature control with low energy consumption by judging the temperature average value and the temperature difference value of different channels.
The container data center temperature control system adopts a natural air cooling mode, wherein cold air in nature is filtered in a fresh air channel 2 and then blown into a first energy-saving channel 5 through a fresh air fan 21, the cold air takes away heat generated by an IT device 4 when passing through the first energy-saving channel 2 so as to become hot air and reach a second energy-saving channel 6, then the hot air is sucked into an exhaust air channel 3 through an exhaust air fan 31, and finally the hot air is exhausted through the exhaust air channel 3 to finish cooling; the fresh air duct 2, the first energy-saving duct 5, the second energy-saving duct 6 and the exhaust air duct 3 are separated by partition walls made of heat-insulating and air-isolating materials.
The first energy-saving channel 5 is internally provided with two first temperature collectors 51, and the first temperature collectors 51 are respectively arranged at two ends of the first energy-saving channel 5; the second energy-saving channel 6 is internally provided with two third temperature collectors 61, the second temperature collectors 61 are also respectively installed at two ends of the second energy-saving channel 6, and the installation mode can better cope with the temperature conditions in the different energy-saving channels.
The return air electric louver motor 23, the fresh air electric louver motor 24 and the exhaust electric louver motor 32 are respectively and correspondingly arranged at the front end or the rear end of the return air fan 62, the fresh air fan 21 and the exhaust fan 31, when the return air electric louver motor 23, the fresh air electric louver motor 24 and the exhaust electric louver motor 32 are closed, the upper part of the return air louver, the upper part of the fresh air louver and the exhaust louver are correspondingly controlled to be respectively closed, and at the moment, the return air fan 23, the fresh air fan 21 and the exhaust fan 31 are respectively positioned in a completely closed channel, so that air supply can not be realized. When the return air electric louver motor 23, the fresh air electric louver motor 24 and the exhaust air electric louver motor 32 are opened, the corresponding control on the return air louver, the fresh air louver and the exhaust air louver are respectively opened, and at the moment, the return air fan 23, the fresh air fan 21 and the exhaust air fan 31 are respectively in a transparent state, so that the air supply efficiency of 100 percent can be realized.
The PLC electric control cabinet 7 is respectively connected with a fresh air fan 21, a humidity collector 22, a return air electric shutter motor 23, a fresh air electric shutter motor 24, a temperature collector, a return air fan 62, an exhaust fan 31 and an exhaust electric shutter motor 32, and the PLC electric control cabinet adopts PLC programming to control the operation of the fans and the electric shutter motors.
The invention realizes the following temperature control method through the container 1 and the internal structure thereof, and the steps are as follows:
s1, data acquisition: the data collected by the two first temperature collectors 51 are set to T1 and T2 (deg.c), and the data collected by the two second temperature collectors 61 are set to T3 and T4 (deg.c).
S2, calculating the average temperature value in the first energy-saving channel 5 to be T beta (DEG C) and the average temperature value in the second energy-saving channel 6 to be T alpha (DEG C), wherein T beta = (T1 + T2)/2,T alpha = (T3 + T4)/2;
s3, calculating a difference value delta T (° C) of the average temperatures of the first energy-saving channel 5 and the second energy-saving channel 6, wherein delta T = T alpha-T beta;
s4, setting a humidity reference value a (% RH); respectively setting a first temperature reference value b (DEG C), a second temperature reference value c (DEG C), a third temperature reference value d (DEG C) and a fourth temperature reference value e (DEG C), wherein b is more than 40 and c is more than d and more than e;
s5, calculating the heat dissipation air quantity Q required by the container data center: calculated according to the formula Q =0.05P/Δ Tc. Wherein: P-IT device power (W);
Δ Tc-allowable temperature rise (. Degree. C.);
Q-CMM (volume of air displaced per minute m) 3 /min)。
S6, calculating the air volume of the fresh air fan 21, the exhaust fan 31 and the return air fan 23, wherein:
the air quantity of the first fresh air fan 210 is equal to that of the second fresh air fan 211 and is Q/2; or the air quantity of the first fresh air fan 210 and the second fresh air fan 211 is not divided equally;
the air quantity of the first exhaust fan 310 is equal to that of the second exhaust fan 311, and is Q/2; or the air quantity of the first exhaust fan 310 and the second exhaust fan 311 is not divided equally;
the air volume of the return air fan 23 is Q/3;
s7, starting different air channels for cooling: controlling the on-off operation of different fans and different electric louver motors by comparing RH1 with a, tbeta with b, c, d, e and 1 and comparing delta T with empirical formula values obtained by delta Tc, b, c, d and e;
wherein: the RH1 parameter is judged and set as the priority, when the RH1 is more than or equal to a, the fresh air electric shutter motor 24 is closed, and other air channels or other cooling modes are started; when RH1 is less than a, comparing Tbeta with b, c, d, e and 1, comparing delta T with empirical formula values obtained by delta Tc, b, c, d and e, and controlling the total air volume of the fresh air system and the exhaust system and the air volume of the return air fan to cool;
in the above steps, more collected data can be obtained for Tbeta and Talpha, and then the average value is calculated; more judgment control intervals can be added, and more temperature reference values can be set; the number of the fresh air fans, the number of the exhaust fans or the number of the return air fans can be increased or reduced, and then Q is divided into more equal parts or unequal parts to the air volume of each fresh air fan, each exhaust fan or each return air fan.
The conventional method for controlling the temperature of the data center is to read the average value of the numerical values of the two first temperature collectors in the first energy-saving channel 5 as a judgment basis, and cannot accurately judge the power of the starting equipment in the data center, and further cannot perform accurate control to achieve the effect of energy saving. The invention is controlled by PLC programming, and the PLC electric control cabinet controls the operation of each fan and each electric shutter motor. In the control logic, the RH1 parameter is judged and set as the priority, when the RH1 is more than or equal to a, the fresh air electric shutter motor 24 is closed, and other air channels or other cooling modes are started, which are not explained herein; and when RH1 < a, the following specific logic judgment is carried out:
when T beta is larger than or equal to b:
when the delta T is more than or equal to the delta Tc, the first fresh air fan 210 is started, the second fresh air fan 211 is started, the fresh air electric shutter motor 24 is started, the first exhaust fan 310 is started, the second exhaust fan 311 is started, the exhaust electric shutter motor 32 is started, the return air fan 62 is stopped, and the return air electric shutter motor 23 is closed;
when the delta Tc is more than delta T and is more than or equal to delta Tc/2, the first fresh air fan 210 is started, the second fresh air fan 211 is stopped, the fresh air electric shutter motor 24 is started, the first exhaust fan 310 is started, the second exhaust fan 311 is started, the exhaust electric shutter motor 32 is started, the return air fan 62 is stopped, and the return air electric shutter motor 23 is closed;
and when the delta Tc/2 is more than or equal to delta T and is more than or equal to 0, the first fresh air fan 210 is stopped, the second fresh air fan 211 is stopped, the fresh air electric shutter motor 24 is started, the first exhaust fan 310 is started, the second exhaust fan 311 is stopped, the exhaust electric shutter motor 32 is started, the return air fan 62 is stopped, and the return air electric shutter motor 23 is closed.
When b > T beta ≧ c:
when delta T is more than or equal to delta Tc, the first fresh air fan 210 is started, the second fresh air fan 211 is started, the fresh air electric louver machine 24 is started, the first exhaust fan 310 is started, the second exhaust fan 311 is started, the exhaust electric louver motor 32 is started, the return air fan 62 is stopped, and the return air electric louver motor 23 is closed;
when delta Tc is more than delta T and more than or equal to delta Tc/2, the first fresh air fan 210 is started, the second fresh air fan 211 is stopped, the fresh air electric shutter motor 24 is started, the first exhaust fan 310 is started, the second exhaust fan 311 is stopped, the exhaust electric shutter motor 32 is started, the return air fan 62 is stopped, and the return air electric shutter motor 23 is closed;
when the delta Tc/2 is more than or equal to delta T and is more than or equal to 0, the first fresh air fan 210 is stopped, the second fresh air fan 211 is stopped, the fresh air electric shutter motor 24 is closed, the first exhaust fan 310 is started, the second exhaust fan 311 is stopped, the exhaust electric shutter motor 32 is started, the return air fan 62 is stopped, and the return air electric shutter motor 23 is closed.
When c is more than T beta is more than or equal to d:
when the delta T is more than or equal to (b-c)/3 + delta Tc, the first fresh air fan stops 210, the second fresh air fan 211 starts, the fresh air electric shutter motor 24 starts, the first exhaust fan 310 starts, the second exhaust fan 311 starts, the exhaust electric shutter motor 32 starts, the return air fan 62 stops, and the return air electric shutter motor 23 closes;
when the (b-c)/3 + delta Tc is more than delta T and more than { (b-c)/3 + delta Tc }/2, the first fresh air fan 210 is stopped, the second fresh air fan 211 is stopped, the fresh air electric louver motor 24 is closed, the first exhaust fan 310 is started, the second exhaust fan 311 is started, the exhaust electric louver motor 32 is started, the return air fan 62 is stopped, and the return air electric louver motor 23 is closed;
and when { (b-c)/3 + Δ Tc }/2 > Δ T is more than or equal to 0, the first fresh air fan 210 is stopped, the second fresh air fan 211 is stopped, the fresh air electric louver motor 24 is closed, the first exhaust fan 310 is stopped, the second exhaust fan 311 is started, the exhaust electric louver motor 32 is started, the return air fan 62 is stopped, and the return air electric louver motor 23 is closed.
When d is more than Tbeta and more than or equal to e:
when delta T is more than or equal to (b-c)/3 + delta Tc, the first fresh air fan 210 is stopped, the second fresh air fan 211 is started, the fresh air electric shutter motor 24 is started, the first exhaust fan 310 is started, the second exhaust fan 311 is started, the exhaust electric shutter motor 32 is started, the return air fan 62 is stopped, and the return air electric shutter motor 23 is closed;
when (b-c)/3 + delta Tc is more than delta T and is more than or equal to { (b-c)/3 + delta T c }/2, the first fresh air fan 210 is stopped, the second fresh air fan 211 is stopped, the fresh air electric louver motor 24 is closed, the first exhaust fan 310 is started, the second exhaust fan 311 is started, the exhaust electric louver motor 32 is started, the return air fan 62 is stopped, and the return air electric louver motor 23 is closed;
and when { (b-c)/3 + Δ Tc }/2 > Δ T is more than or equal to 0, the first fresh air fan 210 stops, the second fresh air fan 211 stops, the fresh air electric louver motor 24 is closed, the first exhaust fan 310 stops, the second exhaust fan 311 starts, the exhaust electric louver motor 32 is started, the return air fan 62 stops, and the return air electric louver motor 23 is closed.
When e is more than Tbeta and is more than or equal to 1:
when delta T is more than or equal to (b-c)/3 + delta Tc, the first fresh air fan 210 is stopped, the second fresh air fan 211 is started, the fresh air electric shutter motor 24 is started, the first exhaust fan 310 is started, the second exhaust fan 311 is started, the exhaust electric shutter motor 32 is started, the return air fan 62 is stopped, and the return air electric shutter motor 23 is closed;
when (b-c)/3 + delta Tc is more than delta T and is more than or equal to { (b-c)/3 + delta Tc }/2, the first fresh air fan 210 is stopped, the second fresh air fan 211 is stopped, the fresh air electric louver motor 24 is closed, the first exhaust fan 310 is started, the second exhaust fan 311 is started, the exhaust electric louver motor 32 is started, the return air fan 62 is stopped, and the return air electric louver motor 23 is closed;
and when { (b-c)/3 + Δ Tc }/2 > Δ T is more than or equal to 0, the first fresh air fan 210 is stopped, the second fresh air fan 211 is stopped, the fresh air electric louver motor 24 is closed, the first exhaust fan 310 is stopped, the second exhaust fan 311 is stopped, the exhaust electric louver motor 32 is closed, the return air fan 62 is started, and the return air electric louver motor 23 is started.
When 1 > T β: the first fresh air fan 210 is stopped, the second fresh air fan 211 is stopped, the fresh air electric shutter motor 24 is turned off, the first exhaust fan 310 is stopped, the second exhaust fan 311 is stopped, the exhaust electric shutter motor 32 is turned off, the return air fan 62 is started, and the return air electric shutter motor 23 is turned on.
The method is suitable for the temperature T beta of less than or equal to 40 ℃, but when the temperature T beta is more than 40 ℃, other cooling means are required to be properly used or are used together with the method, wherein the calculation formula of (b-c)/3 + delta Tc is an empirical formula obtained by experiments, and the value of 1 & gtT beta is also empirical data and cannot be changed.
Fig. 3 shows a diagram of an actual application of the control method of the present invention, where a =80, Δ Tc =12, b =30, c =20, d =15, e =10.
The invention can simply judge the power of the starting equipment in the container data center through the internal equipment so as to realize lower cost and accurate control, thereby reducing the problem of higher PUE value of the existing container data center, more accurately and effectively controlling the heat dissipation air quantity and reducing the energy consumption. In addition, the air return system provided by the invention can work when the outdoor environment temperature is lower, so that low energy consumption is realized, and the temperature of the container data center can be controlled more effectively and more environmentally.
The fresh air fan 21, the exhaust fan 31, the return air fan 62, each electric shutter motor, the temperature collector and the humidity collector 22 used in the present invention are all existing known electrical devices, and can be purchased and used directly in the market, and the structures, circuits and control principles thereof are all existing known technologies, and therefore, the structures, circuits and control principles of the fresh air fan 21, the exhaust fan 31, the return air fan 62, each electric shutter motor, the temperature collector and the humidity collector 22 are not described herein again.
Finally, it should be noted that: the above embodiments are only preferred embodiments of the present invention to illustrate the technical solutions of the present invention, but not to limit the technical solutions, and certainly not to limit the patent scope of the present invention; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention; that is, the technical problems to be solved by the present invention are still consistent with the present invention, and all the modifications or changes made without substantial meaning in the spirit and scope of the present invention should be included in the protection scope of the present invention; in addition, the technical scheme of the invention is directly or indirectly applied to other related technical fields, and the technical scheme is included in the patent protection scope of the invention.
Claims (9)
1. A temperature control method of an energy-saving container data center is characterized by comprising the following steps:
s1, respectively acquiring temperature data by a first temperature acquisition device in a first energy-saving channel and a second temperature acquisition device in a second energy-saving channel; a humidity collector in the fresh air duct collects humidity data and sets the humidity data as RH1;
s2, calculating the average value of the temperature data collected by the first temperature collector in the first energy-saving channel as the average temperature value T beta in the first energy-saving channel; calculating the average value of the temperature data collected by the second temperature collector in the second energy-saving channel as the average temperature value T alpha in the second energy-saving channel;
s3, calculating a difference value delta T of the average temperature in the first energy-saving channel and the average temperature in the second energy-saving channel;
s4, setting a humidity reference value a; respectively setting a first temperature reference value b, a second temperature reference value c, a third temperature reference value d and a fourth temperature reference value e, wherein b is more than c and more than d is more than e at 40 ℃;
s5, calculating the heat dissipation air quantity Q required by the container data center, wherein Q = 0.05P/delta Tc,
wherein: p is the IT equipment power, Δ Tc is the allowable temperature rise, and Q is the volume of air discharged per minute;
s6, calculating the total air volume of the fresh air fan and the total air volume of the exhaust fan to be the required heat dissipation air volume Q, wherein the total air volume of the return air fan is 1/3 times of the required heat dissipation air volume Q;
s7, starting different air channels for cooling: adjusting the on-off operation of different fans by comparing RH1 with a, tbeta with b, c, d, e, 1, and comparing delta T with empirical formula values obtained by delta Tc, b, c, d, e;
wherein: the RH1 parameter is judged and set as the priority, when the RH1 is more than or equal to a, the fresh air electric shutter motor is closed, and other air channels or other cooling modes are started; when RH1 is less than a, comparing the average temperature value in the first energy-saving channel with b, c, d, e and 1, and comparing delta T with delta Tc, b, c, d and e, and controlling the total air volume of the fresh air system and the exhaust system and the air volume of the return air fan;
the energy-saving container data center comprises a container (1) and a PLC (programmable logic controller) electric control cabinet (7), wherein a fresh air duct (2), an energy-saving channel and an exhaust air duct (3) which are sequentially communicated are arranged in the container (1), IT equipment (4) is arranged in the energy-saving channel, the IT equipment (4) divides the energy-saving channel into a first energy-saving channel (5) connected with the fresh air duct (2) and a second energy-saving channel (6) connected with the exhaust air duct (3), a fresh air fan (21), a humidity collector (22), a return air electric shutter motor (23) installed on a return air shutter and a fresh air electric shutter motor (24) installed on the fresh air shutter are arranged in the fresh air duct (2), a first temperature collector (51) is arranged in the first energy-saving channel (5), a return air fan (62) and a second temperature collector (61) are arranged in the second energy-saving channel (6), an exhaust air fan (31) and an exhaust electric shutter motor (32) arranged on the exhaust shutter are arranged in the exhaust air shutter; the PLC electric control cabinet (7) is respectively connected with a fresh air fan (21), a humidity collector (22), an electric return air shutter motor (23), an electric fresh air shutter motor (24), a temperature collector, a return air fan (62), an exhaust air fan (31) and an electric exhaust shutter motor (32).
2. The temperature control method of an energy-saving container data center according to claim 1, wherein: the fresh air duct (2), the first energy-saving channel (5), the second energy-saving channel (6) and the exhaust air duct (3) are separated by partition walls, and the partition walls are made of heat-insulating and air-insulating materials.
3. The temperature control method for the energy-saving container data center according to claim 1, wherein: the fresh air fan (21) at least comprises a first fresh air fan (210) and a second fresh air fan (211).
4. The temperature control method for the energy-saving container data center according to claim 1, wherein: the fresh air electric louver motor (24) is arranged at the front end or the rear end of the fresh air fan (21), the return air electric louver motor (23) is arranged at the front end or the rear end of the return air fan (62), and the exhaust electric louver motor (32) is arranged at the front end or the rear end of the exhaust fan (31).
5. The temperature control method for the energy-saving container data center according to claim 1, wherein: at least two first temperature collectors (51) are arranged, and the two first temperature collectors (51) are respectively arranged at two ends of the first energy-saving channel (5).
6. The temperature control method for the energy-saving container data center according to claim 1, wherein: at least two second temperature collectors (61) are arranged, and the two second temperature collectors (61) are respectively arranged at two ends of the second energy-saving channel (6).
7. The temperature control method of an energy-saving container data center according to claim 1, wherein: the exhaust fan (31) at least comprises a first exhaust fan (310) and a second exhaust fan (311).
8. The temperature control method of an energy-saving container data center according to claim 1, wherein: more collected data can be obtained from Tbeta and Talpha, and then the average value is calculated; more judgment control intervals can be added, and more temperature reference values can be set.
9. The temperature control method of an energy-saving container data center according to claim 1, wherein: the number of the fresh air fans, the number of the exhaust fans or the number of the return air fans can be increased or reduced, and then the Q is divided into more equal parts or unequal parts to the air quantity of each fresh air fan, each exhaust fan or each return air fan.
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