CN115013297A - Power plant circulating pump abnormity monitoring method and device, electronic equipment and storage medium - Google Patents
Power plant circulating pump abnormity monitoring method and device, electronic equipment and storage medium Download PDFInfo
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Abstract
The application belongs to the technical field of power equipment, and relates to a power plant circulating pump abnormity monitoring method which comprises the steps of judging that when the actual change rate of a first parameter of a circulating pump in a first preset time period is smaller than the preset change rate of the first parameter, acquiring the actual value of a second parameter of the circulating pump in a second preset time period; and sending an alarm signal when the actual average value of the second parameter in the second preset time period is smaller than the preset average value of the second parameter. When the first parameter changes and the actual value change rate of the first parameter is smaller than the preset parameter change rate, the second parameter is continuously monitored, and when the second parameter is smaller than the preset average value, an alarm signal is sent and the two parameters are used for monitoring, so that on one hand, accurate monitoring can be realized without the occurrence of conditions such as misjudgment and the like; on the other hand, the circulating pump can timely inform maintenance personnel before abnormity occurs, so that normal power generation of a power plant can not be influenced.
Description
Technical Field
The invention relates to the technical field of power plant monitoring, in particular to a method and a device for monitoring abnormality of a circulating pump of a power plant.
Background
In the power generation process of power plant, the equipment of involving is complicated, if meet unusually, the staff is difficult to get rid of fast, influences production efficiency, for example in power plant's production, need use the circulating pump to take out water, sewage etc. nevertheless after the circulating pump live time is long, is blockked up easily, and current monitoring mode is regularly clearance, though regularly clearance can solve the problem that the circulating pump is blocked up, nevertheless all will demolish consuming time power at every turn.
Disclosure of Invention
The embodiment of the application aims to provide a power plant circulating pump abnormity monitoring method and device, electronic equipment and a storage medium.
In order to solve the technical problem, an embodiment of the application provides a power plant circulating pump abnormity monitoring method, which adopts the following technical scheme:
the monitoring method comprises the following steps:
judging that a second parameter actual value of the circulating pump in a second preset time period is obtained when the first parameter actual change rate of the circulating pump in the first preset time period is smaller than the first parameter preset change rate; and
and sending an alarm signal when the actual average value of the second parameter in the second preset time period is smaller than the preset average value of the second parameter.
Preferably, the step of determining that the actual value of the second parameter of the circulation pump in the second preset time period is obtained when the actual change rate of the first parameter of the circulation pump in the first preset time period is smaller than the preset change rate of the first parameter includes:
acquiring a first parameter actual value of the circulating pump in the first preset time period;
calculating the actual change rate of a first parameter of the circulating pump in the first preset time period;
judging whether the actual change rate of the first parameter is smaller than the preset change rate of the first parameter or not;
and when the actual change rate of the first parameter is smaller than the preset change rate of the first parameter, acquiring a second parameter actual value of the circulating pump within a second preset time.
Preferably, the step of judging that when the actual average value of the second parameter in the second preset time period is smaller than the preset average value of the second parameter, the step of sending an alarm signal specifically includes:
calculating an actual average value of a second parameter in the second preset time period;
judging whether the actual average value of the second parameter is smaller than the preset average value of the second parameter or not;
and when the actual average value of the second parameter is smaller than the preset average value of the second parameter, sending an alarm signal.
Preferably, the step of determining that the actual value of the second parameter of the circulation pump in the second preset time period is obtained when the actual change rate of the first parameter of the circulation pump in the first preset time period is smaller than the preset change rate of the first parameter includes:
obtaining the actual capacity value Q of the circulating pump in the preset interval time in the first time period Fruit of Chinese wolfberry And is recorded as Q 1、 Q 2 ……Q n ；
Calculating the actual capacity change rate Delta Q of the circulating pump in the first preset time period Fruit of Chinese wolfberry I.e. Delta Q Fruit of Chinese wolfberry ＝Q n -Q n-1 /Q n ；
Judging the actual capacity change rate Delta Q Fruit of Chinese wolfberry Whether or not it is less than a preset rate of change of capacity Δ Q Is provided with ；
When said actual rate of change of capacity Δ Q Fruit of Chinese wolfberry Less than said predetermined rate of change in capacity Δ Q Is provided with Then, the actual value H of the lift of the circulating pump in the second time period is obtained Fruit of Chinese wolfberry Is recorded as H 1 、H 2 ……H n 。
Preferably, the step of judging that when the actual average value of the second parameter in the second preset time period is smaller than the preset average value of the second parameter, the step of sending an alarm signal specifically includes:
calculating the actual average value H of the lift in the second preset time period Flat plate ，H Flat plate ＝H 1 +……H n /n；
Judging the actual average value H of the second parameter Flat plate Whether the second parameter is smaller than the preset average value H of the second parameter or not Is provided with ；
When the actual average value H of the second parameter is Flat plate Is less than the preset average value H of the second parameter Is provided with And sending an alarm signal.
The invention also provides a power plant circulating pump abnormity monitoring device, which comprises:
the judging and obtaining module is used for judging that when the actual change rate of the first parameter of the circulating pump in the first preset time period is smaller than the preset change rate of the first parameter, the actual value of the second parameter of the circulating pump in the second preset time period is obtained; and
and the judging and sending module is used for judging that an alarm signal is sent when the actual average value of the second parameter in the second preset time period is smaller than the preset average value of the second parameter.
Preferably, the first and second electrodes are formed of a metal,
the judging and obtaining module comprises:
the first acquisition unit is used for acquiring a first parameter actual value of the circulating pump in the first preset time period;
the first calculating unit is used for calculating the actual change rate of the first parameter of the circulating pump in the first preset time period;
the first judging unit is used for judging whether the actual change rate of the first parameter is smaller than the preset change rate of the first parameter or not;
and the second acquiring unit is used for acquiring a second parameter actual value of the circulating pump within a second preset time when the first parameter actual change rate is smaller than the first parameter preset change rate.
Preferably, the judging and sending module includes:
the second calculation unit is used for calculating the actual average value of the second parameter in the second preset time period;
the second judging unit is used for judging whether the actual average value of the second parameter is smaller than the preset average value of the second parameter;
and the sending unit is used for sending an alarm signal when the actual average value of the second parameter is smaller than the preset average value of the second parameter.
The present invention also provides an electronic device, including:
a memory storing at least one instruction; and
and the processor executes the instructions stored in the memory to realize the power plant circulating pump abnormity monitoring method.
The invention also provides a computer readable storage medium, wherein at least one instruction is stored in the computer readable storage medium and is executed by a processor in electronic equipment to realize the power plant circulating pump abnormity monitoring method.
Compared with the prior art, the embodiment of the application mainly has the following beneficial effects: the invention provides a power plant circulating pump abnormity monitoring method which comprises the steps of judging that when the actual change rate of a first parameter of a circulating pump in a first preset time period is smaller than the preset change rate of the first parameter, acquiring the actual value of a second parameter of the circulating pump in a second preset time period; the method comprises the steps of judging whether the actual average value of a second parameter in a second preset time period is smaller than the preset average value of the second parameter, sending an alarm signal, monitoring the parameter of the power plant circulating pump in real time, when the first parameter changes and the actual change rate of the first parameter is smaller than the change rate of the preset parameter, continuing to monitor the second parameter, and when the second parameter is smaller than the preset average value, sending the alarm signal and monitoring by using the two parameters, so that accurate monitoring can be realized on the one hand, and the situations of misjudgment and the like can be avoided; on the other hand, the circulating pump can timely inform maintenance personnel before abnormity occurs, so that normal production of a power plant is not influenced.
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In order to more clearly illustrate the solution of the present application, the drawings needed for describing the embodiments of the present application will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present application, and that other drawings can be obtained by those skilled in the art without inventive effort.
FIG. 1 is a flow diagram of one embodiment of a power plant circulation pump anomaly monitoring method according to the present application;
FIG. 2 is a flowchart of one embodiment of step S100 of FIG. 1;
FIG. 3 is a flowchart of one embodiment of step S200 of FIG. 1;
FIG. 4 is a schematic block diagram of an embodiment of a power plant circulation pump anomaly monitoring device according to the present application;
FIG. 5 is a schematic diagram of one embodiment of the determining and obtaining module shown in FIG. 4;
FIG. 6 is a block diagram illustrating an embodiment of the determining and sending module shown in FIG. 4;
fig. 7 is a schematic structural diagram of an electronic device for implementing a power plant circulation pump abnormality monitoring method according to a preferred embodiment of the present invention.
Detailed Description
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "including" and "having," and any variations thereof in the description and claims of this application and the description of the figures above, are intended to cover non-exclusive inclusions. The terms "first," "second," and the like in the description and claims of this application or in the above-described drawings are used for distinguishing between different objects and not for describing a particular order.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings.
Fig. 1 is a flow chart of a power plant circulation pump abnormality monitoring method according to a preferred embodiment of the present invention. The order of the steps in the flow chart may be changed and some steps may be omitted according to different needs.
The abnormality monitoring method for the power plant circulating pump is applied to one or more electronic devices, wherein the electronic devices are devices capable of automatically performing numerical calculation and/or information processing according to preset or stored instructions, and hardware of the electronic devices includes but is not limited to a microprocessor, an Application Specific Integrated Circuit (ASIC), a Programmable Gate Array (FPGA), a Digital Signal Processor (DSP), an embedded device and the like.
The electronic device may be any electronic product capable of performing human-computer interaction with a user, for example, a Personal computer, a tablet computer, a smart phone, a Personal Digital Assistant (PDA), a game machine, an interactive Internet Protocol Television (IPTV), an intelligent wearable device, and the like.
The electronic device may also include a network device and/or a user device. The network device includes, but is not limited to, a single network server, a server group consisting of a plurality of network servers, or a cloud computing (cloud computing) based cloud consisting of a large number of hosts or network servers.
S100, when the actual change rate of a first parameter of the circulating pump in a first preset time period is smaller than the preset change rate of the first parameter, acquiring the actual value of a second parameter of the circulating pump in a second preset time period;
in the embodiment of the invention, the circulating pump is used for pumping water or discharging sewage for a power plant, specific parameter values of the circulating pump include capacity, lift and the like, however, when the circulating pump is used for a long time, the problems that impurities are left in the circulating pump to reduce the capacity and the lift are reduced, and the like can occur, and in addition, the first preset time period can be 10 hours, 24 hours and the like, but is not limited to this, when the capacity of the circulating pump reaches a minimum threshold value, blockage can easily occur, so the first parameter preset value can be set to be greater than the change rate of the capacity threshold value.
And S200, sending an alarm signal when the actual average value of the second parameter in the second preset time period is smaller than the preset average value of the second parameter.
In the embodiment of the present invention, after the capacity change rate of the circulation pump is changed, the head is monitored, the circulation pump has a lowest average threshold, and when the capacity change rate is lower than the lowest average threshold, it indicates that the water pump is about to have an abnormality, such as a blockage or an abnormality thereof, so that the preset average value is set to be greater than the average threshold.
In the embodiment of the invention, by monitoring the parameters of the circulating pump of the power plant in real time, when the first parameter changes and the actual value change rate of the first parameter is smaller than the preset parameter change rate, the second parameter is continuously monitored, and when the second parameter is also smaller than the preset average value, an alarm signal is sent, and the two parameters are used for monitoring, so that on one hand, effective monitoring can be realized, and on the other hand, maintenance personnel can be timely notified before the circulating pump is abnormal, and the normal production of the power plant cannot be influenced.
Fig. 2 is a flowchart of an embodiment of step S100, in this embodiment, step S100 specifically includes the following steps:
s101, acquiring a first parameter actual value of the circulating pump in the first preset time period;
s102, calculating the actual change rate of a first parameter of the circulating pump in the first preset time period;
s103, judging whether the actual change rate of the first parameter is smaller than the preset change rate of the first parameter;
in the embodiment of the present invention, when it is determined that the actual change rate of the first parameter is greater than or equal to the preset change rate of the first parameter, the method proceeds to step S101;
and S104, acquiring a second parameter actual value of the circulating pump within a second preset time.
More specifically, step S100 includes:
reading the actual capacity value Q of the circulating pump in the preset interval time in the first time period Fruit of Chinese wolfberry And is recorded as Q 1、 Q 2 ……Q n ；
Calculating the actual capacity change rate Delta Q of the circulating pump in the first preset time period Fruit of Chinese wolfberry I.e. Delta Q Fruit of Chinese wolfberry ＝Q n -Q n-1 /Q n ；
Judgment ofActual rate of change of the capacity Δ Q Fruit of Chinese wolfberry Whether or not it is less than a preset rate of change of capacity Δ Q Is provided with ；
When said actual rate of change of capacity Δ Q Fruit of Chinese wolfberry Less than said predetermined rate of change in capacity Δ Q Is provided with Then, the actual value H of the lift of the circulating pump in the second time period is obtained Fruit of Chinese wolfberry Is recorded as H 1 、H 2 ……H n 。
Fig. 3 is a flowchart of an embodiment of step S200, in this embodiment, step S200 specifically includes the following steps:
s201, calculating an actual average value of the second parameter in the second preset time period;
s202, judging whether the actual average value of the second parameter is smaller than the preset average value of the second parameter;
in the embodiment of the present invention, when it is determined that the actual average value of the second parameter is greater than or equal to the preset average value of the second parameter, the process proceeds to step S101;
s203, when the actual average value of the second parameter is smaller than the preset average value of the second parameter, sending an alarm signal.
Further, S200 specifically includes:
calculating the actual average value H of the lift in the second preset time period Flat plate ，H Flat plate ＝H 1 +……H n /n；
Judging the actual average value H of the second parameter Flat plate Whether the second parameter is less than the preset average value H of the second parameter or not Is provided with ；
When the actual average value H of the second parameter is Flat plate Is less than the preset average value H of the second parameter Is provided with And then sending an alarm signal.
As an implementation of the method shown in fig. 1, the present application provides a schematic structural diagram of an embodiment of a power plant circulation pump abnormality monitoring apparatus, where the apparatus embodiment corresponds to the method embodiment shown in fig. 1, and the apparatus may be specifically applied to various electronic devices.
As shown in fig. 4, the power plant circulation pump abnormality monitoring apparatus 400 according to the present embodiment includes:
the judging and obtaining module 410 is configured to judge that a second parameter actual value of the circulation pump in a second preset time period is obtained when the first parameter actual change rate of the circulation pump in the first preset time period is smaller than the first parameter preset change rate; and
and the judging and sending module 420 is configured to send an alarm signal when the actual average value of the second parameter in the second preset time period is smaller than the preset average value of the second parameter.
In the embodiment of the present invention, please refer to fig. 5, which is a schematic structural diagram of a specific implementation manner of the determining and acquiring module 410, wherein the determining and acquiring module 410 includes:
a first obtaining unit 411, configured to obtain a first parameter actual value of the circulation pump in the first preset time period;
a first calculating unit 412, configured to calculate an actual change rate of a first parameter of the circulation pump in the first preset time period;
a first judging unit 413, configured to judge whether the actual change rate of the first parameter is smaller than the preset change rate of the first parameter;
the second obtaining unit 414 is configured to obtain a second parameter actual value of the circulation pump within a second preset time when the first parameter actual change rate is smaller than the first parameter preset change rate.
More specifically, the determining and obtaining module 410 includes:
a first obtaining unit for obtaining the actual capacity value Q of the circulating pump in the preset interval time in the first time period Fruit of Chinese wolfberry And is recorded as Q 1 、Q 2 ……Q n ；
A first calculating unit, configured to calculate an actual rate of change Δ Q of the capacity of the circulation pump in the first preset time period Fruit of Chinese wolfberry I.e. Delta Q Fruit of Chinese wolfberry ＝Q n -Q n-1 /Q n ；
A first judging unit for judging the actual capacity change rate DeltaQ Fruit of Chinese wolfberry Whether or not it is less than a preset rate of change of capacity Δ Q Is provided with ；
A second obtaining unit for obtaining the actual capacity change rate Δ Q Fruit of Chinese wolfberry Less than said predetermined rate of change in capacity Δ Q Is provided with Then, the actual value H of the lift of the circulating pump in the second time period is obtained Fruit of Chinese wolfberry Is recorded as H 1 、H 2 ……H n 。
In an embodiment of the present invention, please refer to fig. 6, which is a schematic structural diagram of a specific implementation manner of the determining and acquiring module 420, where the determining and acquiring module 420 includes:
a second calculating unit 421, configured to calculate an actual average value of the second parameter in the second preset time period;
a second determining unit 422, configured to determine whether the actual average value of the second parameter is smaller than the preset average value of the second parameter;
the sending unit 423 is configured to send an alarm signal when the actual average value of the second parameter is smaller than the preset average value of the second parameter.
More specifically, the determining and obtaining module 420 includes:
a second calculating unit, configured to calculate an actual average value H of the head in the second preset time period Flat plate ，H Flat plate ＝H 1 +……H n /n；
A second judging unit for judging the actual average value H of the second parameter Flat plate Whether the second parameter is less than the preset average value H of the second parameter or not Is provided with ；
A sending unit for sending the actual average value H of the second parameter Flat plate Is less than the preset average value H of the second parameter Is provided with And then sending an alarm signal.
Fig. 7 is a schematic structural diagram of an electronic device implementing a data determination method according to a preferred embodiment of the present invention. The electronic device 1 is a device capable of automatically performing numerical calculation and/or information processing according to a preset or stored instruction, and its hardware includes, but is not limited to, a microprocessor, an Application Specific Integrated Circuit (ASIC), a Programmable Gate Array (FPGA), a Digital Signal Processor (DSP), an embedded device, and the like.
The electronic device 1 may also be, but not limited to, any electronic product that can perform human-computer interaction with a user through a keyboard, a mouse, a remote controller, a touch panel, or a voice control device, for example, a Personal computer, a tablet computer, a smart phone, a Personal Digital Assistant (PDA), a game machine, an Internet Protocol Television (IPTV), an intelligent wearable device, a robot, and the like.
The electronic device 1 may also be a desktop computer, a notebook, a palm computer, a cloud server, or other computing devices.
The Network where the electronic device 1 is located includes, but is not limited to, the internet, a wide area Network, a metropolitan area Network, a local area Network, a Virtual Private Network (VPN), and the like.
In one embodiment of the present invention, the electronic device 1 includes, but is not limited to, a memory 12, a processor 13, and a computer program, such as a data determination program, stored in the memory 12 and executable on the processor 13.
It will be appreciated by those skilled in the art that the schematic diagram is merely an example of the electronic device 1, and does not constitute a limitation of the electronic device 1, and may include more or less components than those shown, or combine some components, or different components, for example, the electronic device 1 may further include an input-output device, a network access device, a bus, etc.
The Processor 13 may be a Central Processing Unit (CPU), other general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic, discrete hardware components, etc. The processor 13 is an operation core and a control center of the electronic device 1, and is connected to each part of the whole electronic device 1 by various interfaces and lines, and executes an operating system of the electronic device 1 and various installed application programs, program codes, and the like.
The processor 13 executes an operating system of the electronic device 1 and various installed application programs. The processor 13 executes the application program to implement the steps in the above-mentioned data determination method embodiments, such as steps S100 and S200 shown in fig. 1.
Alternatively, the processor 13, when executing the computer program, implements the functions of the modules/units in the above device embodiments, for example: judging that a second parameter actual value of the circulating pump in a second preset time period is obtained when the first parameter actual change rate of the circulating pump in the first preset time period is smaller than the first parameter preset change rate; and sending an alarm signal when the actual average value of the second parameter in the second preset time period is smaller than the preset average value of the second parameter.
Illustratively, the computer program may be divided into one or more modules/units, which are stored in the memory 12 and executed by the processor 13 to accomplish the present invention. The one or more modules/units may be a series of computer program instruction segments capable of performing specific functions, which are used to describe the execution process of the computer program in the electronic device 1. For example, the computer program may be divided into a determination and acquisition module 410, a determination and transmission module 420.
The memory 12 can be used for storing the computer programs and/or modules, and the processor 13 implements various functions of the electronic device 1 by running or executing the computer programs and/or modules stored in the memory 12 and calling data stored in the memory 12. The memory 12 may mainly include a program storage area and a data storage area, wherein the program storage area may store an operating system, an application program required by at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may store data (such as audio data, a phonebook, etc.) created according to the use of the cellular phone, and the like. Further, the memory 12 may include high speed random access memory, and may also include non-volatile memory, such as a hard disk, a memory, a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), at least one magnetic disk storage device, a Flash memory device, or other volatile solid state storage device.
The memory 12 may be an external memory and/or an internal memory of the electronic device 1. Further, the memory 12 may be a circuit having a memory function without any physical form In the integrated circuit, such as a RAM (Random-access memory), a FIFO (First In First Out), and the like. Alternatively, the memory 12 may be a memory in a physical form, such as a memory stick, a TF Card (Trans-flash Card), or the like.
The integrated modules/units of the electronic device 1 may be stored in a computer-readable storage medium if they are implemented in the form of software functional units and sold or used as separate products. Based on such understanding, all or part of the flow of the method according to the embodiments of the present invention may also be implemented by a computer program, which may be stored in a computer-readable storage medium, and when the computer program is executed by a processor, the steps of the method embodiments may be implemented.
Wherein the computer program comprises computer program code, which may be in the form of source code, object code, an executable file or some intermediate form, etc. The computer-readable medium may include: any entity or device capable of carrying the computer program code, recording medium, usb disk, removable hard disk, magnetic disk, optical disk, computer Memory, Read-Only Memory (ROM), Random Access Memory (RAM), electrical carrier wave signals, telecommunications signals, software distribution medium, etc. It should be noted that the computer readable medium may contain content that is subject to appropriate increase or decrease as required by legislation and patent practice in jurisdictions, for example, in some jurisdictions, computer readable media does not include electrical carrier signals and telecommunications signals as is required by legislation and patent practice.
In conjunction with fig. 1, the memory 12 in the electronic device 1 stores a plurality of instructions to implement a data determination method, and the processor 13 may execute the plurality of instructions to implement: judging that a second parameter actual value of the circulating pump in a second preset time period is obtained when the first parameter actual change rate of the circulating pump in the first preset time period is smaller than the first parameter preset change rate; and sending an alarm signal when the actual average value of the second parameter in the second preset time period is smaller than the preset average value of the second parameter.
Specifically, the processor 13 may refer to the description of the relevant steps in the embodiment corresponding to fig. 1 for a specific implementation method of the instruction, which is not described herein again.
In the embodiments provided in the present invention, it should be understood that the disclosed system, apparatus and method may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the modules is only one logical functional division, and other divisions may be realized in practice.
The modules described as separate parts may or may not be physically separate, and parts displayed as modules may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment.
In addition, functional modules in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, or in a form of hardware plus a software functional module.
It is to be understood that the above-described embodiments are merely illustrative of some, but not restrictive, of the broad invention, and that the appended drawings illustrate preferred embodiments of the invention and do not limit the scope of the invention. This application is capable of embodiments in many different forms and the embodiments are provided so that this disclosure will be thorough and complete. Although the present application has been described in detail with reference to the foregoing embodiments, it will be apparent to one skilled in the art that the present application may be practiced without modification or with equivalents of some of the features described in the foregoing embodiments. All equivalent structures made by using the contents of the specification and the drawings of the present application are directly or indirectly applied to other related technical fields and are within the protection scope of the present application.
Claims (10)
1. A power plant circulating pump abnormity monitoring method is characterized by comprising the following steps:
judging that a second parameter actual value of the circulating pump in a second preset time period is obtained when the first parameter actual change rate of the circulating pump in the first preset time period is smaller than the first parameter preset change rate; and
and sending an alarm signal when the actual average value of the second parameter in the second preset time period is smaller than the preset average value of the second parameter.
2. The power plant circulating pump abnormality monitoring method according to claim 1, wherein the step of judging that when the actual change rate of the first parameter of the circulating pump in the first preset time period is smaller than the preset change rate of the first parameter, the actual value of the second parameter of the circulating pump in the second preset time period specifically includes:
acquiring a first parameter actual value of the circulating pump in the first preset time period;
calculating the actual change rate of a first parameter of the circulating pump in the first preset time period;
judging whether the actual change rate of the first parameter is smaller than the preset change rate of the first parameter or not;
and when the actual change rate of the first parameter is smaller than the preset change rate of the first parameter, acquiring a second parameter actual value of the circulating pump within a second preset time.
3. The power plant circulating pump abnormality monitoring method according to claim 2, wherein the step of sending an alarm signal when the actual average value of the second parameter within the second preset time period is judged to be smaller than the preset average value of the second parameter specifically comprises:
calculating the actual average value of the second parameter in the second preset time period;
judging whether the actual average value of the second parameter is smaller than the preset average value of the second parameter or not;
and when the actual average value of the second parameter is smaller than the preset average value of the second parameter, sending an alarm signal.
4. The power plant circulating pump abnormality monitoring method according to claim 3, wherein the step of judging that when the actual change rate of the first parameter of the circulating pump in the first preset time period is smaller than the preset change rate of the first parameter, the actual value of the second parameter of the circulating pump in the second preset time period is obtained specifically includes:
obtaining the actual capacity value Q of the circulating pump in the preset interval time in the first time period Fruit of Chinese wolfberry And is recorded as Q 1、 Q 2 ……Q n ；
Calculating the actual capacity change rate Delta Q of the circulating pump in the first preset time period Fruit of Chinese wolfberry I.e. Delta Q Fruit of Chinese wolfberry ＝Q n -Q n-1 /Q n ；
Judging the actual capacity change rate Delta Q Fruit of Chinese wolfberry Whether or not it is less than a preset rate of change of capacity Δ Q Is provided with ；
When said actual rate of change of capacity Δ Q Fruit of Chinese wolfberry Less than said predetermined rate of change in capacity Δ Q Is provided with Then, the actual value H of the lift of the circulating pump in the second time period is obtained Fruit of Chinese wolfberry Is recorded as H 1 、H 2 ……H n 。
5. The power plant circulating pump abnormality monitoring method according to claim 4, wherein the step of sending an alarm signal when the actual average value of the second parameter within the second preset time period is judged to be smaller than the preset average value of the second parameter specifically comprises:
calculating the actual average value H of the lift in the second preset time period Flat plate ，H Flat plate ＝H 1 +……H n /n；
Judging the actual average value H of the second parameter Flat plate Whether the second parameter is less than the preset average value H of the second parameter or not Is provided with ；
When the actual average value H of the second parameter is Flat plate Is less than the preset average value H of the second parameter Is provided with And then sending an alarm signal.
6. An abnormality monitoring device for a circulation pump of a power plant, the monitoring device comprising:
the judging and obtaining module is used for judging that when the actual change rate of a first parameter of the circulating pump in a first preset time period is smaller than the preset change rate of the first parameter, the actual value of a second parameter of the circulating pump in a second preset time period is obtained; and
and the judging and sending module is used for judging that an alarm signal is sent when the actual average value of the second parameter in the second preset time period is smaller than the preset average value of the second parameter.
7. The power plant circulating pump abnormality monitoring device of claim 6, wherein the judging and obtaining module includes:
the first acquisition unit is used for acquiring a first parameter actual value of the circulating pump in the first preset time period;
the first calculating unit is used for calculating the actual change rate of the first parameter of the circulating pump in the first preset time period;
the first judging unit is used for judging whether the actual change rate of the first parameter is smaller than the preset change rate of the first parameter or not;
and the second acquiring unit is used for acquiring a second parameter actual value of the circulating pump within a second preset time when the first parameter actual change rate is smaller than the first parameter preset change rate.
8. The power plant circulation pump abnormality monitoring device of claim 7, wherein the judging and sending module includes:
the second calculation unit is used for calculating the actual average value of the second parameter in the second preset time period;
the second judging unit is used for judging whether the actual average value of the second parameter is smaller than the preset average value of the second parameter;
and the sending unit is used for sending an alarm signal when the actual average value of the second parameter is smaller than the preset average value of the second parameter.
9. An electronic device, characterized in that the electronic device comprises:
a memory storing at least one instruction; and
a processor executing instructions stored in the memory to implement the power plant circulation pump anomaly monitoring method of any one of claims 1 to 4.
10. A computer-readable storage medium characterized by: the computer readable storage medium has stored therein at least one instruction that is executed by a processor in an electronic device to implement the power plant circulation pump anomaly monitoring method of any one of claims 1 to 5.
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