CN117804807A - Cold source system steady state detection method and device, electronic equipment and storage medium - Google Patents
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Abstract
The application discloses a cold source system steady state detection method, a cold source system steady state detection device, electronic equipment and a storage medium, which are used for solving the problem of low steady state detection accuracy of a cold source system of a data center, wherein the method comprises the following steps: acquiring appointed operation index parameters of a cold source system; determining a first system steady-state step length corresponding to a designated operation index and a first system steady-state threshold according to the corresponding relation between a preset operation index, a system steady-state step length and a system steady-state threshold, wherein the system steady-state step length represents the time length for reaching a steady state after the operation index changes, and the system steady-state threshold represents the variable quantity threshold of the operation index in the corresponding system steady-state step length; and carrying out steady-state detection on the cold source system according to the designated operation index parameter, the steady-state step length of the first system and the steady-state threshold value of the first system to obtain a detection result.
Description
Technical Field
The application relates to the technical field of data center energy conservation, in particular to a cold source system steady state detection method, a cold source system steady state detection device, electronic equipment and a storage medium.
Background
The data center is an important infrastructure in the information age, and maintaining stable operation of the data center is important for guaranteeing normal operation of an information system. The server and other equipment of the data center can generate a large amount of heat in the working process, heat needs to be dissipated through the cold source system, the purpose of maintaining the steady state of the cold source system is to ensure that the cold source system can stably dissipate the heat generated by the server and other equipment of the data center so as to maintain the normal operation of the server and other equipment, and when the cold source system reaches the steady state, the temperature of the server and other equipment can be ensured to be in a proper range, and equipment faults or damage caused by overhigh or overlow temperature are avoided. Therefore, the steady state of the cold source system is maintained, the stable operation of the data center can be ensured, the reliability and the usability of the data center are improved, and the risk and the loss of the data center caused by equipment faults are reduced. The management of the cold source system steady state can improve the cooling efficiency and the energy utilization rate, reduce the operation cost of a data center, and the implementation of the cold source system steady state can reduce the energy consumption, thereby reducing the negative influence on the environment.
Therefore, steady state detection of the cold source system of the data center is very necessary, and the cold source system is maintained at a steady state to ensure safe operation of the data center. In the related art, the temperature stability detection can be performed, that is: whether the cold source system is in a steady state is judged by measuring whether the temperature in the cold source system is stable, the temperature sensor can be used for measuring the inlet and outlet temperatures of cooling water or measuring the temperature distribution condition of each area in a data center, however, the accuracy of a judgment result can be influenced by temperature measurement errors, in addition, the stability of the temperature is influenced by factors such as external environment, server load and the like, and certain fluctuation can be generated. Flow stability detection may also be achieved, namely: whether the cold source system is in a steady state is judged by measuring whether the flow of the cooling water in the cold source system is stable or not, the flow of the cooling water can be measured by using a flowmeter, whether the cold source system is in the steady state is judged according to the flow, the accuracy of a judgment result is influenced by the influence of measurement errors and external factors in the detection mode, in addition, the flow stability is closely related to the supply stability of the cooling water, and the problems of unstable water supply and the like possibly exist. It is also possible to detect by pressure stability, i.e.: whether the system is stable or not is judged by measuring whether the pressure in the cold source system is stable or not, and whether the cold source system is in a stable state or not can be judged by measuring the inlet and outlet pressure of the cooling water by adopting a pressure sensor, however, besides the influence of pressure errors and external factors, the stability of the pressure is related to the factors such as the supply of the cooling water and the tightness of the cold source system, and the accuracy of a detection result cannot be ensured.
Therefore, how to improve the steady state detection accuracy of the cold source system of the data center is one of the technical problems to be solved.
Disclosure of Invention
In order to solve the problem of low steady state detection accuracy of a cold source system of a data center, embodiments of the present application provide a method, an apparatus, an electronic device, and a storage medium for steady state detection of a cold source system.
In a first aspect, an embodiment of the present application provides a method for detecting a steady state of a cold source system, including:
acquiring appointed operation index parameters of a cold source system;
determining a first system steady-state step length and a first system steady-state threshold value corresponding to the appointed operation index according to the corresponding relation between a preset operation index, a system steady-state step length and a system steady-state threshold value, wherein the system steady-state step length represents the time length for reaching a steady state after the operation index changes, and the system steady-state threshold value represents the change quantity threshold value of the operation index in the corresponding system steady-state step length;
and carrying out steady state detection on the cold source system according to the appointed operation index parameter, the steady state step length of the first system and the steady state threshold value of the first system to obtain a detection result.
In one embodiment, the steady state detection is performed on the cold source system according to the specified operation index parameter, the steady state step length of the first system and the steady state threshold value of the first system, so as to obtain a detection result, which specifically includes:
determining the variation of the specified operation index parameter in the steady-state step length of the first system;
and judging whether the cold source system is in a steady state or not according to the variation of the specified operation index parameter in the steady state step length of the first system and the first system stability threshold value, and obtaining a detection result.
In one embodiment, determining the variation of the specified operation index parameter in the steady-state step of the first system specifically includes:
taking the time when the specified operation index parameter changes as a starting time, and taking the starting time plus a first system steady-state step length corresponding to the specified operation index parameter as an ending time;
and counting the variation of the specified operation index parameter from the starting time to the ending time.
In one embodiment, determining whether the cold source system is in a steady state according to the variation of the specified operation index parameter in the steady state step length of the first system and the first system stability threshold value to obtain a detection result specifically includes:
if the change amount of the specified operation index parameter in the steady-state step length of the first system is smaller than the first system stability threshold value, determining that the cold source system is in a steady state;
and if the change amount of the specified operation index parameter in the steady-state step length of the first system is larger than or equal to the steady-state threshold value of the first system, determining that the cold source system is in an unstable state.
In one embodiment, before the steady state detection of the cold source system according to the specified operation index parameter, the first system steady state step size and the first system steady state threshold value, the method further includes:
and determining that the specified operation index parameter meets a safety condition.
In one embodiment, determining that the specified operation index parameter meets a safety condition specifically includes:
and determining that the specified operation index parameter is within a preset threshold range corresponding to the specified operation index.
In one embodiment, the specified operating index parameter comprises at least one or a combination of the following: the number of cooling towers, the number of cooling pumps, the number of freezing pumps, the number of coolers of a cooling unit, the number of plate exchanges, the frequency of the freezing pumps, the frequency of the cooling pumps, the frequency of fans of the cooling towers, the water supply temperature of chilled water, the temperature of the cooling water tower, the chilled water flow of the cooling unit, the cooling water flow of the cooling unit, the main pipe pressure difference, the cooling side temperature difference of the cooling unit and the pressure of a condenser.
In a second aspect, an embodiment of the present application provides a cold source system steady state detection device, including:
the acquisition unit is used for acquiring the appointed operation index parameters of the cold source system;
the system comprises a first determining unit, a second determining unit and a third determining unit, wherein the first determining unit is used for determining a first system steady-state step length and a first system steady-state threshold corresponding to the appointed operation index according to the corresponding relation between a preset operation index, a system steady-state step length and a system steady-state threshold, the system steady-state step length represents the time length reaching a steady state after the operation index changes, and the system steady-state threshold represents the change quantity threshold of the operation index in the corresponding system steady-state step length;
and the detection unit is used for carrying out steady-state detection on the cold source system according to the appointed operation index parameter, the steady-state step length of the first system and the steady-state threshold value of the first system to obtain a detection result.
In one embodiment, the detection unit is specifically configured to determine a variation of the specified operation index parameter in the steady-state step of the first system; and judging whether the cold source system is in a steady state or not according to the variation of the specified operation index parameter in the steady state step length of the first system and the first system stability threshold value, and obtaining a detection result.
In one embodiment, the detection unit is specifically configured to use a time when the specified operation index parameter changes as a start time, and use a first system steady-state step corresponding to the addition of the start time to the specified operation index parameter as an end time; and counting the variation of the specified operation index parameter from the starting time to the ending time.
In one embodiment, the detection unit is specifically configured to determine that the cold source system is in a stable state if it is determined that the variation of the specified operation index parameter in the steady-state step of the first system is less than the first system stability threshold; and if the change amount of the specified operation index parameter in the steady-state step length of the first system is larger than or equal to the steady-state threshold value of the first system, determining that the cold source system is in an unstable state.
In one embodiment, the apparatus further comprises:
before the steady state detection of the cold source system is performed according to the specified operation index parameter, the steady state step length of the first system and the steady state threshold value of the first system, the method further comprises:
and the second determining unit is used for determining that the specified operation index parameter meets the safety condition.
In one embodiment, the second determining unit is specifically configured to determine that the specified operation index parameter is within a preset threshold range corresponding to the specified operation index.
In one embodiment, the specified operating index parameter comprises at least one or a combination of the following: the number of cooling towers, the number of cooling pumps, the number of freezing pumps, the number of coolers of a cooling unit, the number of plate exchanges, the frequency of the freezing pumps, the frequency of the cooling pumps, the frequency of fans of the cooling towers, the water supply temperature of chilled water, the temperature of the cooling water tower, the chilled water flow of the cooling unit, the cooling water flow of the cooling unit, the main pipe pressure difference, the cooling side temperature difference of the cooling unit and the pressure of a condenser.
In a third aspect, an embodiment of the present application provides an electronic device, including a memory, a processor, and a computer program stored in the memory and capable of running on the processor, where the processor implements a cold source system steady state detection method described in the present application when executing the program.
In a fourth aspect, embodiments of the present application provide a computer readable storage medium having stored thereon a computer program which, when executed by a processor, implements steps in a cold source system steady state detection method described herein.
The beneficial effects of this application are as follows:
according to the cold source system steady state detection method, device, electronic equipment and storage medium, designated operation index parameters of a cold source system are obtained, according to the corresponding relation between preset operation indexes, system steady state step sizes and system stability threshold values, a first system steady state step size corresponding to the designated operation indexes and a first system stability threshold value are determined, wherein the system steady state step sizes represent time periods for reaching steady states after the operation indexes change, the system stability threshold values represent variable quantity threshold values of the operation indexes in the corresponding system steady state step sizes, the cold source system is subjected to steady state detection according to the designated operation index parameters, the first system steady state step sizes and the first system stability threshold values to obtain detection results, in the embodiment of the application, the corresponding system steady state step sizes and the system stability threshold values are set for the operation indexes of the cold source system in advance, the system steady state step sizes are time periods for reaching steady states after the operation indexes change, the system stability threshold values are variable quantity threshold values of the operation indexes in the system step sizes corresponding to the operation indexes, and whether the designated operation index parameters (namely, the designated operation index values change) are stable or not is judged through the first system steady state step sizes and the first system stability threshold values of the cold source system steady state step sizes corresponding to determine whether the designated operation index values change to enable the cold source system steady state to be in steady state, so that the cold source stability is detected.
Additional features and advantages of the application will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the application. The objectives and other advantages of the application will be realized and attained by the structure particularly pointed out in the written description and claims thereof as well as the appended drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application. In the drawings:
fig. 1 is an application scenario schematic diagram of a cold source system steady state detection method provided in an embodiment of the present application;
fig. 2 is a schematic flow chart of an implementation of a steady state detection method of a cold source system according to an embodiment of the present application;
FIG. 3 is a schematic diagram of an implementation flow chart of steady state detection for a cold source system according to an embodiment of the present disclosure;
fig. 4 is a schematic structural diagram of a cold source system steady state detection device provided in an embodiment of the present application;
fig. 5 is a schematic structural diagram of an electronic device according to an embodiment of the present application.
Detailed Description
In order to solve the problem of low steady state detection accuracy of a cold source system of a data center, embodiments of the present application provide a method, an apparatus, an electronic device, and a storage medium for steady state detection of a cold source system.
The preferred embodiments of the present application will be described below with reference to the accompanying drawings of the specification, it being understood that the preferred embodiments described herein are for illustration and explanation only, and are not intended to limit the present application, and embodiments and features of embodiments of the present application may be combined with each other without conflict.
Referring first to fig. 1, which is a schematic diagram of an application scenario of a cold source system steady state detection method provided by an embodiment of the present application, the cold source system steady state detection method may include a data center 101, a cold source system 102, a BA (Building Automation ) system 103, and a cold source system steady state detection device 104, where the data center 101 may include a server and other network devices, the cold source system 102 may be a cold water system, and when the cold source system 102 is a cold water system, the cold source system 102 may include, but is not limited to, the following devices: main pipe, cooling tower, cooling pump (i.e. cooling water circulating pump), freeze pump (i.e. chilled water circulating pump), chiller (i.e. chiller) group, plate exchanger (i.e. plate heat exchanger), condenser, water valve etc. equipment, BA system 103 is a monitored control system for monitoring equipment in cold source system 102, BA system 103 generally mainly includes: the main monitoring contents of the BA system 103 include: chilled water supply temperature (i.e., chiller outlet temperature), main pipe pressure differential, chiller chilled water flow, chiller cooling water flow, chiller pump frequency, cooling pump frequency, chiller cooling side temperature differential, condenser pressure, chiller water tower temperature (i.e.: the cooling water outlet tower temperature), cooling tower fan frequency, cooling tower number, cooling pump number, refrigerating machine number of a refrigerating machine unit, plate change number and other operation indexes, and further comprises control and alarm functions of refrigerating pump start-stop control and state display, refrigerating pump overload alarm, cooling water minimum backwater temperature control, cooling pump start-stop control and state display, cooling pump fault alarm, cooling tower fan start-stop control and state display, cooling tower fan fault alarm and the like, wherein the cold source system steady state detection device 104 can acquire specified operation index parameters of the cold source system 102 from the BA system 103 in real time, the specified operation index parameters are specified operation index values, and determine a system steady state step corresponding to the specified operation index (which can be recorded as a first system steady state step) and a system steady state threshold (which can be recorded as a first system steady state threshold) according to the corresponding relation between the preset operation index and the system steady state step, the system steady state threshold represents the time of reaching the steady state after the operation index changes, and the system steady state threshold represents the change quantity threshold of the operation index in the corresponding system steady state step, and the cold source system steady state detection result is obtained by the cold source system steady state detection device.
In this embodiment of the present application, the cold source system steady state detection device 104 may, but is not limited to, use a server or a terminal device, where the server may be an independent physical server, or may be a cloud server that provides basic cloud computing services such as a cloud server, a cloud database, and cloud storage, and the terminal device may, but is not limited to, be: smart phones, tablet computers, notebook computers, desktop computers, etc., to which embodiments of the present application are not limited.
Based on the above application scenario, the exemplary embodiments of the present application will be described in more detail below with reference to fig. 2 to 3, and it should be noted that the above application scenario is only shown for the convenience of understanding the spirit and principles of the present application, and the embodiments of the present application are not limited in any way herein. Rather, embodiments of the present application may be applied to any scenario where applicable.
As shown in fig. 2, which is a schematic implementation flow chart of the cold source system steady state detection method provided in the embodiment of the present application, the cold source system steady state detection method may be applied to the cold source system steady state detection device 104, and may specifically include the following steps:
s21, acquiring specified operation index parameters of the cold source system.
In specific implementation, the operation indexes of the cold source system may include control indexes and safety indexes according to functional division, where the control indexes may include at least one or a combination of multiple indexes of the following: the number of cooling towers, the number of cooling pumps, the number of freezing pumps, the number of coolers of a cooling unit, the number of plate changes, the frequency of the freezing pumps, the frequency of the cooling pumps, the frequency of a cooling tower fan, the temperature of chilled water supply and the like, and the safety index can comprise at least one or a combination of a plurality of indexes of: the control index and the safety index of the cold source system of different data centers can be set according to the process and the corresponding service scene of the cold source system of the data center, and the embodiment of the application is not limited to the control index and the safety index.
The BA system monitors and records the operation index of the cold source system in real time, and the cold source system steady state detection equipment can acquire the appointed operation index parameter and the corresponding time information of the cold source system from the BA system in real time, namely: the method comprises the steps of obtaining a specified operation index value of a cold source system, and storing the obtained specified operation index parameter of the cold source system and corresponding time information into a database, wherein the specified operation index can comprise at least one or a combination of a plurality of indexes of the control index and the safety index, and can be selected automatically according to service requirements when being implemented to serve as an index for judging the steady state of the cold source system. The database can be, but not limited to, a TDengine database, which is a time sequence database, can provide high-performance, distributed data storage and query service based on SQL, can safely and efficiently aggregate, store, analyze and distribute data up to TB and even PB levels generated by a large number of devices and data collectors each day, and can monitor service operation states in real time.
S22, determining a first system steady-state step length and a first system steady-state threshold value corresponding to the designated operation index according to the corresponding relation between the preset operation index, the system steady-state step length and the system steady-state threshold value.
The system steady-state step length represents the time length of reaching a steady state after the running index changes, and the system steady-state threshold represents the variation threshold of the running index in the corresponding system steady-state step length.
In specific implementation, the cold source system steady state detection device may preset and store a corresponding relationship between an operation index of the cold source system and a system steady state step length and a system steady state threshold, for example, the corresponding relationship between the set operation index and the system steady state step length and the system steady state threshold are shown in table 1:
TABLE 1
As shown in table 1, the change of the operation index means that the operation index value is increased or decreased, for example, the steady-state step length of the system corresponding to the chilled water supply temperature is 60 minutes, and the steady-state threshold of the system is 1 ℃, so that the change amount of the chilled water supply temperature can be increased by m ℃, or decreased by m ℃, and other operation indexes are the same, and are not repeated herein. The setting of the system steady-state step length and the system steady-state threshold value for each operation index in table 1 is only taken as an example, and when in implementation, the system steady-state step length and the system steady-state threshold value corresponding to each operation index can be set according to different service scenes and cold source system processes of different data centers.
In the step, the cold source system steady state detection equipment determines a first system steady state step length and a first system steady state threshold value corresponding to a designated operation index according to the corresponding relation between a preset operation index, a system steady state step length and a system steady state threshold value. For example, the system steady-state step size corresponding to the chilled water supply temperature (i.e., the first system steady-state step size corresponding to the chilled water supply temperature) is 60 minutes, which indicates that the time period to reach the steady state after the chilled water supply temperature is changed is 60 minutes, and the system steady-state threshold corresponding to the chilled water supply temperature (i.e., the first system steady-state threshold corresponding to the chilled water supply temperature) is 1 ℃, which indicates the variation threshold of the chilled water supply temperature within 60 minutes.
S23, performing steady-state detection on the cold source system according to the specified operation index parameters, the steady-state step length of the first system and the steady-state threshold value of the first system to obtain a detection result.
In specific implementation, the cold source system steady state detection device may perform steady state detection on the cold source system according to a flow shown in fig. 3, and may include the following steps:
s31, determining the variation of the designated operation index parameter in the steady-state step length of the first system.
When the specified operation index parameter (i.e. the specified operation index value) changes, the specific operation index parameter changing time is taken as the starting time, the first system steady-state step corresponding to the specific operation index parameter added to the starting time is taken as the ending time, and the change amount of the specified operation index parameter from the starting time to the ending time is counted, namely: and designating the variation of the operation index parameter in the steady-state step length of the first system.
S32, judging whether the cold source system is in a steady state or not according to the variation of the designated operation index parameter in the steady state step length of the first system and the first system stability threshold value, and obtaining a detection result.
When the method is implemented, if the change amount of the designated operation index parameter in the steady-state step length of the first system is determined to be smaller than the first system stability threshold value, the cold source system is determined to be in a steady state; and if the change quantity of the designated operation index parameter in the steady-state step length of the first system is larger than or equal to the steady-state threshold value of the first system, determining that the cold source system is in an unstable state.
For example, when the chilled water supply temperature value is 12 ℃ at time t1, the chilled water supply temperature value is changed at time t2, the temperature is increased by 0.5 ℃, and the chilled water supply temperature value is always kept at 12.5 ℃ within t2 to (t2+60 min: time t 3), that is, the change amount of the chilled water supply temperature value is 0.5 ℃ within 60 min of the steady-state step of the system, which is less than the system steady-state threshold value of 1 ℃, the cold source system can be determined to be in a steady state. If the chilled water supply temperature value is reduced by 1.5 ℃ at the time t2, and the chilled water supply temperature value is always kept at 10.5 ℃ within the time t2 to (t2+60 minutes: time t 3), namely, the variation of the chilled water supply temperature value is 1.5 ℃ within the system steady-state step length of 60 minutes and is greater than the system steady-state threshold value of 1 ℃, the cold source system can be determined to be in an unstable state.
In one embodiment, in order to ensure safe operation of the cold source system, further improve accuracy of detection of the cold source system, before performing steady state detection on the cold source system according to the specified operation index parameter, the steady state step length of the first system and the steady state threshold value of the first system, the method may further include:
and determining that the specified operation index parameter meets the safety condition.
In the implementation, if the specified operation index parameter is determined to be within the preset threshold range corresponding to the specified operation index, the specified operation index parameter is determined to meet the safety condition.
Specifically, different operation indexes of the cold source system have different safety ranges, namely: the threshold range is preset as shown in table 2:
TABLE 2
As shown in table 2, taking the designated operation index as the stable water supply of the chilled water as an example, the safety range corresponding to the water supply temperature of the chilled water, that is, the preset threshold range is 10-14 ℃, before the stable detection of the cold source system, it may be determined whether the water supply temperature value of the chilled water is within the safety range, if the water supply temperature value of the chilled water is within the safety range, the step of performing the stable detection of the cold source system according to the water supply temperature value of the chilled water, the first system steady-state step corresponding to the water supply temperature of the chilled water, and the first system steady-state threshold is continued, and if the water supply temperature value of the chilled water is within the safety range, it may be determined that the state of the cold source system is an unstable state.
The cold source system steady state judgment of the data center can be applied to the real-time monitoring of the cold source system safety of the data center, and the cold source system steady state can be used as an important safety index, and is an important reference for judging whether the current system is safe or is in a system regulation state. The cold source system steady state judgment of the data center can also be applied to the processing data related to the cold source of the data center, for example, when the water outlet temperature of a cooling tower is trained, sample data can be screened out by using cold source system steady state detection equipment to carry out model training, abnormal values can be removed, and the model precision can be improved.
According to the cold source system steady state detection method, cold source system steady state detection equipment obtains appointed operation index parameters (namely appointed operation index values) of a cold source system, according to the corresponding relation between preset operation indexes, system steady state step sizes and system steady state threshold values, a first system steady state step size corresponding to the appointed operation indexes and a first system steady state threshold value are determined, wherein the system steady state step sizes represent time periods when the operation indexes reach steady states after being changed, the system steady state threshold values represent variable quantity threshold values of the operation indexes in the corresponding system steady state step sizes, steady state detection is carried out on the cold source system according to the appointed operation index parameters, the first system steady state step sizes and the first system steady state threshold values to obtain detection results, in the embodiment of the invention, the corresponding system steady state step sizes and the system steady state threshold values are preset time periods when the operation indexes reach steady states after being changed, the system steady state step sizes are variable quantity threshold values of the operation indexes in the system steady state step sizes corresponding to the operation indexes, whether the appointed operation indexes of the cold source system are changed or not is judged through the first system steady state step sizes corresponding to the first system steady state step sizes and the first system steady state threshold values corresponding to the operation index values, whether the appointed operation index values (namely appointed operation indexes) of the cold source system is changed or not is detected, and whether the cold source stability of the cold source system is accurately detected.
Based on the same inventive concept, the embodiment of the application also provides a cold source system steady state detection device, and because the principle of solving the problem of the cold source system steady state detection device is similar to that of the cold source system steady state detection method, the implementation of the device can be referred to the implementation of the method, and the repetition is omitted.
As shown in fig. 4, which is a schematic structural diagram of a cold source system steady state detection device provided in an embodiment of the present application, the cold source system steady state detection device may include:
an obtaining unit 41, configured to obtain a specified operation index parameter of the cold source system;
the first determining unit 42 is configured to determine a first system steady-state step size and a first system steady-state threshold corresponding to the specified operation index according to a preset correspondence between an operation index and a system steady-state step size and a system steady-state threshold, where the system steady-state step size indicates a period of time for reaching a steady state after the operation index changes, and the system steady-state threshold indicates a variation threshold of the operation index in the corresponding system steady-state step size;
and the detection unit 43 is configured to perform steady-state detection on the cold source system according to the specified operation index parameter, the steady-state step length of the first system, and the steady-state threshold value of the first system, so as to obtain a detection result.
In one embodiment, the detecting unit 43 is specifically configured to determine an amount of change of the specified operation index parameter in the first system steady-state step; and judging whether the cold source system is in a steady state or not according to the variation of the specified operation index parameter in the steady state step length of the first system and the first system stability threshold value, and obtaining a detection result.
In one embodiment, the detecting unit 43 is specifically configured to take a time when the specified operation index parameter changes as a start time, and take a first system steady-state step corresponding to the addition of the start time to the specified operation index parameter as an end time; and counting the variation of the specified operation index parameter from the starting time to the ending time.
In one embodiment, the detecting unit 43 is specifically configured to determine that the cold source system is in a stable state if it is determined that the variation of the specified operation index parameter in the steady-state step of the first system is less than the first system stability threshold; and if the change amount of the specified operation index parameter in the steady-state step length of the first system is larger than or equal to the steady-state threshold value of the first system, determining that the cold source system is in an unstable state.
In one embodiment, the apparatus further comprises:
before the steady state detection of the cold source system is performed according to the specified operation index parameter, the steady state step length of the first system and the steady state threshold value of the first system, the method further comprises:
and the second determining unit is used for determining that the specified operation index parameter meets the safety condition.
In one embodiment, the second determining unit is specifically configured to determine that the specified operation index parameter is within a preset threshold range corresponding to the specified operation index.
In one embodiment, the specified operating index parameter comprises at least one or a combination of the following: the number of cooling towers, the number of cooling pumps, the number of freezing pumps, the number of coolers of a cooling unit, the number of plate exchanges, the frequency of the freezing pumps, the frequency of the cooling pumps, the frequency of fans of the cooling towers, the water supply temperature of chilled water, the temperature of the cooling water tower, the chilled water flow of the cooling unit, the cooling water flow of the cooling unit, the main pipe pressure difference, the cooling side temperature difference of the cooling unit and the pressure of a condenser.
Based on the same technical concept, the embodiment of the present application further provides an electronic device 500, referring to fig. 5, where the electronic device 500 is configured to implement the cold source system steady state detection method described in the foregoing method embodiment, and the electronic device 500 of this embodiment may include: memory 501, processor 502, and a computer program stored in the memory and executable on the processor, such as a cold source system steady state detection program. And the processor realizes the steps in the embodiment of the steady state detection method of each cold source system when executing the computer program.
The specific connection medium between the memory 501 and the processor 502 is not limited in the embodiments of the present application. In the embodiment of the present application, the memory 501 and the processor 502 are connected by a bus 503 in fig. 5, the bus 503 is indicated by a thick line in fig. 5, and the connection manner between other components is only schematically illustrated, but not limited to. The bus 503 may be divided into an address bus, a data bus, a control bus, etc. For ease of illustration, only one thick line is shown in fig. 5, but not only one bus or one type of bus.
The memory 501 may be a volatile memory (RAM), such as a random-access memory (RAM); the memory 501 may also be a non-volatile memory (non-volatile memory), such as a read-only memory, a flash memory (flash memory), a Hard Disk Drive (HDD) or a Solid State Drive (SSD), or any other medium that can be used to carry or store desired program code in the form of instructions or data structures and that can be accessed by a computer, but is not limited thereto. Memory 501 may be a combination of the above.
The processor 502 is configured to implement the cold source system steady state detection method provided in the embodiments of the present application.
The embodiment of the application also provides a computer readable storage medium which stores computer executable instructions required to be executed by the processor, and the computer readable storage medium contains a program for executing the processor.
In some possible embodiments, various aspects of the cold source system steady state detection method provided herein may also be implemented in the form of a program product comprising program code for causing an electronic device to perform the steps of the cold source system steady state detection method according to various exemplary embodiments of the present application as described herein above when the program product is run on the electronic device.
It will be apparent to those skilled in the art that embodiments of the present application may be provided as a method, apparatus, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (devices), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
While preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the application.
It will be apparent to those skilled in the art that various modifications and variations can be made in the present application without departing from the spirit or scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims and the equivalents thereof, the present application is intended to cover such modifications and variations.
Claims (10)
1. The steady state detection method of the cold source system is characterized by comprising the following steps of:
acquiring appointed operation index parameters of a cold source system;
determining a first system steady-state step length and a first system steady-state threshold value corresponding to the appointed operation index according to the corresponding relation between a preset operation index, a system steady-state step length and a system steady-state threshold value, wherein the system steady-state step length represents the time length for reaching a steady state after the operation index changes, and the system steady-state threshold value represents the change quantity threshold value of the operation index in the corresponding system steady-state step length;
and carrying out steady state detection on the cold source system according to the appointed operation index parameter, the steady state step length of the first system and the steady state threshold value of the first system to obtain a detection result.
2. The method of claim 1, wherein the steady state detection of the cold source system according to the specified operation index parameter, the first system steady state step size, and the first system steady state threshold value, to obtain a detection result, specifically comprises:
determining the variation of the specified operation index parameter in the steady-state step length of the first system;
and judging whether the cold source system is in a steady state or not according to the variation of the specified operation index parameter in the steady state step length of the first system and the first system stability threshold value, and obtaining a detection result.
3. The method of claim 2, wherein determining the amount of change in the specified operating index parameter within the first system steady state step comprises:
taking the time when the specified operation index parameter changes as a starting time, and taking the starting time plus a first system steady-state step length corresponding to the specified operation index parameter as an ending time;
and counting the variation of the specified operation index parameter from the starting time to the ending time.
4. The method as claimed in claim 2 or 3, wherein determining whether the cold source system is in a steady state according to the variation of the specified operation index parameter in the steady state step of the first system and the first system stability threshold value, to obtain the detection result specifically includes:
if the change amount of the specified operation index parameter in the steady-state step length of the first system is smaller than the first system stability threshold value, determining that the cold source system is in a steady state;
and if the change amount of the specified operation index parameter in the steady-state step length of the first system is larger than or equal to the steady-state threshold value of the first system, determining that the cold source system is in an unstable state.
5. The method of any of claims 1, further comprising, prior to steady state detection of the cold source system based on the specified operating index parameter, the first system steady state step size, and the first system steady state threshold value:
and determining that the specified operation index parameter meets a safety condition.
6. The method of claim 5, wherein determining that the specified operating index parameter meets a safety condition comprises:
and determining that the specified operation index parameter is within a preset threshold range corresponding to the specified operation index.
7. The method of claim 1, wherein the specified operating index parameter comprises at least one or a combination of: the number of cooling towers, the number of cooling pumps, the number of freezing pumps, the number of coolers of a cooling unit, the number of plate exchanges, the frequency of the freezing pumps, the frequency of the cooling pumps, the frequency of fans of the cooling towers, the water supply temperature of chilled water, the temperature of the cooling water tower, the chilled water flow of the cooling unit, the cooling water flow of the cooling unit, the main pipe pressure difference, the cooling side temperature difference of the cooling unit and the pressure of a condenser.
8. The utility model provides a cold source system steady state detection device which characterized in that includes:
the acquisition unit is used for acquiring the appointed operation index parameters of the cold source system;
the system comprises a first determining unit, a second determining unit and a third determining unit, wherein the first determining unit is used for determining a first system steady-state step length and a first system steady-state threshold corresponding to the appointed operation index according to the corresponding relation between a preset operation index, a system steady-state step length and a system steady-state threshold, the system steady-state step length represents the time length reaching a steady state after the operation index changes, and the system steady-state threshold represents the change quantity threshold of the operation index in the corresponding system steady-state step length;
and the detection unit is used for carrying out steady-state detection on the cold source system according to the appointed operation index parameter, the steady-state step length of the first system and the steady-state threshold value of the first system to obtain a detection result.
9. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor implements the cold source system steady state detection method according to any one of claims 1 to 5 when executing the program.
10. A computer-readable storage medium, on which a computer program is stored, characterized in that the program, when being executed by a processor, realizes the steps in the cold source system steady state detection method according to any one of claims 1 to 5.
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| CN202311861831.3A CN117804807A (en) | 2023-12-29 | 2023-12-29 | Cold source system steady state detection method and device, electronic equipment and storage medium |
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| CN202311861831.3A CN117804807A (en) | 2023-12-29 | 2023-12-29 | Cold source system steady state detection method and device, electronic equipment and storage medium |
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