CN111219848A - Data center machine room precise air conditioner control method based on channel sensor feedback - Google Patents
Data center machine room precise air conditioner control method based on channel sensor feedback Download PDFInfo
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- CN111219848A CN111219848A CN201911244617.7A CN201911244617A CN111219848A CN 111219848 A CN111219848 A CN 111219848A CN 201911244617 A CN201911244617 A CN 201911244617A CN 111219848 A CN111219848 A CN 111219848A
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- machine room
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/32—Responding to malfunctions or emergencies
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/65—Electronic processing for selecting an operating mode
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/88—Electrical aspects, e.g. circuits
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/20—Humidity
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention relates to a data center machine room precise air conditioner control method based on channel sensor feedback, which comprises the following steps: acquiring channel sensor data and precision air conditioning equipment data, checking whether data abnormity exists or not, and alarming if the data abnormity exists; if the system is not abnormal, detecting whether the machine room air conditioning equipment is in a remote control mode, if so, checking whether all channel sensors have sensors exceeding the SLA based on a set SLA standard of the machine room, and if so, triggering and processing the control of the corresponding sensors; or when all the sensors are in the normal range, starting corresponding energy-saving control according to whether the fan is in the lower limit. Compared with a control method for controlling the air outlet temperature and the air return temperature of a single air conditioner based on PID (proportion integration differentiation), the control method for the air conditioner of the machine room based on real-time sensor data feedback can achieve a better energy-saving effect by reducing the power of air conditioning equipment of the machine room on the basis of ensuring the stability of the environment of the machine room.
Description
Technical Field
The invention relates to the technical field of energy efficiency management of a data center machine room, in particular to a method for controlling a precise air conditioner of the data center machine room based on channel sensor feedback.
Background
The control optimization of the data center machine room precision air conditioner is a process of keeping the machine room environment (channel temperature and humidity) stable and reducing energy consumption as much as possible by adjusting the precision air conditioner.
The existing control method is usually based on the PID control of the precision air conditioner, and the stability of the outlet air temperature and the return air temperature of the precision air conditioner is kept. The control method can meet the requirement of keeping the machine room environment stable, but the set values of the air outlet temperature and the air return temperature need to be set manually, and no way is available for regulating and controlling the precision air conditioner in real time along with the load change of IT equipment of the machine room.
Based on the control method, usually in real data center operation, operation and maintenance personnel can leave certain redundancy for the set value of the temperature, so that the fluctuation of IT equipment load is coped with, and the part of redundancy causes energy waste.
Disclosure of Invention
The invention aims to solve the technical problem of providing a data center machine room precise air conditioner control method based on channel sensor feedback, which can achieve a better energy-saving effect by reducing the power of machine room air conditioning equipment on the basis of ensuring the stability of a machine room environment.
In order to solve the technical problems, the technical scheme of the invention is as follows:
a data center machine room precise air conditioner control method based on channel sensor feedback comprises the following steps:
s1) acquiring the channel sensor data and the precision air conditioner data, and checking whether there is a data abnormality:
if the abnormality is found, alarming to operation and maintenance personnel through a preset mechanism;
or, if there is no abnormality, step S2 is executed);
s2) determining whether the machine room air conditioner is in the remote control mode:
if not, setting the remote mode;
or, if in the remote mode, performing step S3);
s3) based on the set machine room SLA criteria, checking whether all channel sensors have sensors that may or have exceeded the SLA:
if yes, triggering and processing control of the corresponding sensor;
or, when all the sensors are in the normal range, the step S4 is executed);
s4) starts the energy saving control.
In the above technical solution, the preset mechanism in step S1) may be a monitoring software alarm prompt, a sound and light alarm prompt, or the like.
In the foregoing technical solution, the energy saving control in step S3) specifically includes the following three modes:
S3A) the temperature exceeds a safety threshold, the control is triggered:
calculating the regulating quantity of the opening of the water valve by calculating the difference between a current value and a safety threshold value, and distributing the total regulating quantity to each air conditioner by a coefficient matrix, wherein the coefficient matrix is a matrix reflecting the influence relation between the precise air conditioner and the channel sensor and can be set based on prior certificate knowledge or based on data fitting;
S3B) the humidity exceeds a safety threshold, and triggering control: the control logic is similar to the temperature, and particularly, the humidity is kept within a safety threshold value by adjusting the opening degree of a water valve;
S3C) the humidity and the temperature exceed the safety threshold at the same time, one scheme of processing the temperature preferentially according to S3A), processing the humidity preferentially according to S3B) or processing the humidity at the same time is selected to be executed.
Where S3C) may be set based on actual traffic demands, possibly prioritizing temperature, prioritizing humidity, or concurrent processing.
In the above technical solution, the step S4) of starting the energy saving control specifically includes:
s41) if the current fan rotating speed has a descending space, the fan rotating speed is reduced randomly in a small step, the stability of the system is ensured in the small step, and meanwhile, certain random control is introduced to enhance the disturbance of airflow in the machine room and prevent the formation of local vortexes;
or if the fan is at the lower limit, executing step S42);
s42) under the limiting condition that the cold channel sensor does not exceed the threshold, solving an optimization problem of minimizing the mean value and the variance of the water valve opening, finding out a group of controls that the water valve is as low as possible and the difference of the water valve opening between different air conditioners is as small as possible, and finally limiting the upper and lower bounds of the calculated control quantity and outputting the control quantity to equipment for control.
The invention has the beneficial effects that:
compared with a control method for controlling the air outlet temperature and the air return temperature of a single air conditioner based on PID (proportion integration differentiation), the control method for the air conditioner of the machine room based on real-time sensor data feedback can achieve a better energy-saving effect by reducing the power of air conditioning equipment of the machine room on the basis of ensuring the stability of the environment of the machine room.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art 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 for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic diagram of a principle framework of an embodiment of a data center room precision air conditioner control method based on channel sensor feedback.
Detailed Description
The technical scheme of the invention is further described by combining the attached drawings of the invention:
as shown in fig. 1, the invention provides a method for controlling a precision air conditioner in a data center room based on channel sensor feedback, which comprises the following steps:
s1) acquiring the channel sensor data and the precision air conditioner data, and checking whether there is a data abnormality:
if the abnormality is found, alarming to operation and maintenance personnel through a preset mechanism (such as monitoring software);
or, if there is no abnormality, step S2 is executed);
s2), obtaining a control list, and determining whether the machine room air conditioning equipment is in a remote control mode:
if not, setting the remote mode;
or, if in the remote mode, performing step S3);
s3) based on the set machine room SLA criteria, checking all channel sensors for the presence of sensors that may or may have exceeded the SLA, where the detection may be made by setting a safety threshold, as will be understood by those skilled in the art:
if yes, triggering and processing control of the corresponding sensor;
or, when all the sensors are in the normal range, the step S4 is executed);
s4) starts the energy saving control.
In the foregoing technical solution, the preset mechanism in step S1) may be monitoring software.
In the foregoing technical solution, the energy saving control in step S3) specifically includes the following three modes:
S3A) the temperature exceeds a safety threshold, the control is triggered:
calculating the regulating quantity of the opening of the water valve by calculating the difference between a current value and a safety threshold value, and distributing the total regulating quantity to each air conditioner by a coefficient matrix, wherein the coefficient matrix is a matrix reflecting the influence relation between the precise air conditioner and the channel sensor and can be set based on prior certificate knowledge or based on data fitting;
S3B) the humidity exceeds a safety threshold, and triggering control: the control logic is similar to the temperature, and particularly, the humidity is kept within a safety threshold value by adjusting the opening degree of a water valve;
S3C) the humidity and the temperature exceed the safety threshold at the same time, one scheme of processing the temperature preferentially according to S3A), processing the humidity preferentially according to S3B) or processing the humidity at the same time is selected to be executed.
Where S3C) may be set based on actual traffic demands, possibly prioritizing temperature, prioritizing humidity, or concurrent processing.
In the above technical solution, the step S4) of starting the energy saving control specifically includes:
s41) if the current fan rotating speed has a descending space, the fan rotating speed is reduced randomly in a small step, the stability of the system is ensured in the small step, and meanwhile, certain random control is introduced to enhance the disturbance of airflow in the machine room and prevent the formation of local vortexes;
or if the fan is at the lower limit, executing step S42);
s42) under the limiting condition that the cold channel sensor does not exceed the threshold, solving an optimization problem of minimizing the mean value and the variance of the water valve opening, finding out a group of controls that the water valve is as low as possible and the difference of the water valve opening between different air conditioners is as small as possible, and finally limiting the upper and lower bounds of the calculated control quantity and outputting the control quantity to equipment for control.
Compared with a control method for controlling the air outlet temperature and the air return temperature of a single air conditioner based on PID (proportion integration differentiation), the control method for the air conditioner of the machine room based on real-time sensor data feedback can achieve a better energy-saving effect by reducing the power of air conditioning equipment of the machine room on the basis of ensuring the stability of the environment of the machine room.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. A data center machine room precise air conditioner control method based on channel sensor feedback is characterized by comprising the following steps:
s1) acquiring the channel sensor data and the precision air conditioner data, and checking whether there is a data abnormality:
if the abnormality is found, alarming to operation and maintenance personnel through a preset mechanism;
or, if there is no abnormality, step S2 is executed);
s2) determining whether the machine room air conditioner is in the remote control mode:
if not, setting the remote mode;
or, if in the remote mode, performing step S3);
s3) based on the set machine room SLA criteria, checking whether all the passage sensors have sensors exceeding the SLA:
if yes, triggering and processing control of the corresponding sensor;
or, when all the sensors are in the normal range, the step S4 is executed);
s4) starts the energy saving control.
2. The method for controlling the precise air conditioner of the data center machine room based on the channel sensor feedback as claimed in claim 1, is characterized in that:
the preset mechanism in the step S1) is a monitoring software alarm prompt.
3. The method for controlling the precise air conditioner of the data center machine room based on the channel sensor feedback as claimed in claim 1, is characterized in that:
the control of the sensor corresponding to the trigger processing in step S3) specifically includes the following three modes:
S3A) the temperature exceeds a safety threshold, the control is triggered:
calculating the adjustment quantity of the opening of the water valve by calculating the difference between a current value and a safety threshold value, and distributing the total adjustment quantity to each air conditioner by a coefficient matrix;
S3B) the humidity exceeds a safety threshold, and triggering control: the humidity is kept within a safety threshold value by adjusting the opening degree of a water valve;
S3C) the humidity and the temperature exceed the safety threshold at the same time, one scheme of processing the temperature preferentially according to S3A), processing the humidity preferentially according to S3B) or processing the humidity at the same time is selected for control.
4. The method for controlling the precise air conditioner of the data center machine room based on the channel sensor feedback as claimed in claim 1, is characterized in that:
step S4) the start energy saving control is specifically:
s41) if the current fan rotating speed has a descending space, the fan rotating speed is reduced randomly in a small step, the stability of the system is ensured in the small step, and meanwhile, certain random control is introduced to enhance the disturbance of airflow in the machine room and prevent the formation of local vortexes;
or if the fan is at the lower limit, executing step S42);
s42) under the limiting condition that the cold channel sensor does not exceed the threshold, solving an optimization problem of minimizing the mean value and the variance of the water valve opening, finding out a group of controls that the water valve is as low as possible and the difference of the water valve opening between different air conditioners is as small as possible, and finally limiting the upper and lower bounds of the calculated control quantity and outputting the control quantity to equipment for control.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112128922A (en) * | 2020-09-23 | 2020-12-25 | 创新奇智(青岛)科技有限公司 | Temperature control method and device of multi-split air conditioning system |
| CN113873834A (en) * | 2021-09-23 | 2021-12-31 | 浪潮通信信息***有限公司 | Down-blowing precise air conditioner airflow control system and data center machine room |
| CN116193819A (en) * | 2023-01-19 | 2023-05-30 | 中国长江三峡集团有限公司 | Energy-saving control method, system and device for data center machine room and electronic equipment |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112128922A (en) * | 2020-09-23 | 2020-12-25 | 创新奇智(青岛)科技有限公司 | Temperature control method and device of multi-split air conditioning system |
| CN112128922B (en) * | 2020-09-23 | 2021-12-24 | 创新奇智(青岛)科技有限公司 | Temperature control method and device of multi-split air conditioning system |
| CN113873834A (en) * | 2021-09-23 | 2021-12-31 | 浪潮通信信息***有限公司 | Down-blowing precise air conditioner airflow control system and data center machine room |
| CN113873834B (en) * | 2021-09-23 | 2023-03-24 | 浪潮通信信息***有限公司 | Down-blowing precise air conditioner airflow control system and data center machine room |
| CN116193819A (en) * | 2023-01-19 | 2023-05-30 | 中国长江三峡集团有限公司 | Energy-saving control method, system and device for data center machine room and electronic equipment |
| CN116193819B (en) * | 2023-01-19 | 2024-02-02 | 中国长江三峡集团有限公司 | Energy-saving control method, system and device for data center machine room and electronic equipment |
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