CN117254584A - Power station operation state monitoring method and device, cloud control system and cloud server - Google Patents
Power station operation state monitoring method and device, cloud control system and cloud server Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00002—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by monitoring
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- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
- H02J13/00022—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using wireless data transmission
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/55—Push-based network services
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Abstract
The invention belongs to the technical field of energy storage power stations, and particularly relates to a power station operation state monitoring method which is applied to a cloud server, wherein the cloud server is respectively in communication connection with an energy storage power station and terminal equipment, and the power station operation state monitoring method comprises the following steps: acquiring a threshold value of a target parameter preset by a user through the terminal equipment and an alarm information pushing strategy; acquiring target detection data of the target parameters of the energy storage power station; judging whether an alarm condition is met or not according to the target detection data and the threshold value of the target parameter; when the alarm condition is met, sending alarm information to the terminal equipment according to an alarm information pushing strategy; the invention can autonomously set the pushing mode of the alarm information according to the user demand, thereby improving the user experience.
Description
Technical Field
The invention belongs to the technical field of energy storage power stations, and particularly relates to a power station operation state monitoring method and device, a cloud control system and a cloud server.
Background
The energy storage power station needs to monitor operating parameters during operation, including, but not limited to, energy storage battery insulation resistance, inverter maximum output power, inverter PV voltage, output power, etc. In order to meet the intelligent control requirement of the energy storage power station of the user, the operation parameters are generally uploaded to the cloud server, the cloud server compares the parameters with preset parameters, and when the operation state of the energy storage power station is inconsistent with the preset operation state, the cloud server sends alarm information to the user. However, the alert mode is fixed at present, such as app (application program) message push, short message push or mailbox message push, but each user habit is different; in addition, the existing alarm triggering time is fixed, and is not the time when the user wants to trigger in many cases, so that the user experience is not very friendly. Secondly, the existing monitoring method compares the detection data at each moment with a preset value, and alarm information is sent out as long as the detection value at a certain moment is higher than the preset value, but in practice, the detection data sometimes has occasional signal fluctuation due to factors such as external signal interference and the like, and the signal fluctuation also triggers the alarm information, so that the alarm system is over sensitive and unnecessary alarm actions are generated.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, the present invention aims to provide a method and a device for monitoring the operation state of a power station, a cloud control system and a cloud server, so that a user can set the alarm triggering condition, the triggering time and the like of the power station according to the own needs, and the user experience is improved.
To achieve the above and other related objects, the present invention provides a method for monitoring an operation state of a power station, which is applied to a cloud server, wherein the cloud server is respectively connected with an energy storage power station and a terminal device in a communication manner, and the method for monitoring the operation state of the power station comprises the following steps:
acquiring a threshold value of a target parameter preset by a user through the terminal equipment and an alarm information pushing strategy;
acquiring target detection data of the target parameters of the energy storage power station;
judging whether an alarm condition is met or not according to the target detection data and the threshold value of the target parameter;
and when the alarm condition is met, sending alarm information to the terminal equipment according to an alarm information pushing strategy.
In an alternative embodiment of the present invention, the step of obtaining target detection data of the target parameter of the energy storage power station includes:
and acquiring boundary values of the floating range of the target parameter in a preset time interval as the target detection data.
In an optional embodiment of the invention, the step of determining whether the alarm condition is met according to the target detection data and the threshold value of the target parameter includes:
comparing the target detection data with the threshold;
when the target detection data exceeds the range limited by the threshold value, acquiring all detection data of the target parameter in the preset time interval;
desensitizing all detection data according to the threshold value to obtain desensitized data, wherein the desensitized data comprises duration information and amplitude information when the target parameter exceeds the threshold value;
judging whether an alarm condition is met according to the desensitization data.
In an optional embodiment of the present invention, the step of desensitizing all the detection data according to the threshold value to obtain desensitized data includes:
constructing a time-varying curve of the target parameter in a plane coordinate system according to all the detection data;
constructing a threshold boundary in the plane coordinate system according to the threshold, wherein the threshold boundary is a straight line with the threshold as an intercept and a slope of 0;
and calculating the area of a target area between the part of the target parameter changing curve with time exceeding the threshold dividing line and the threshold dividing line, and the area under the curve of the target parameter changing curve with time, and taking the area of the target area and the area under the curve as the desensitization data.
In an optional embodiment of the invention, the step of determining whether the alarm condition is met according to the desensitization data comprises:
calculating the ratio between the area of the target area and the area under the curve;
and when the area of the target area is more than 2% -5% of the area under the curve, judging that the alarm condition is met, otherwise, judging that the alarm condition is not met.
In an optional embodiment of the invention, the step of comparing the target detection data with the threshold value further comprises:
and when the target detection data does not exceed the range limited by the threshold value, judging that the alarm condition is not met.
In an optional embodiment of the present invention, when the alarm condition is met, the step of sending alarm information to the terminal device according to an alarm information push policy includes:
invoking a preset alarm information pushing strategy, wherein the alarm information pushing strategy at least comprises a terminal equipment type for receiving alarm information and a time interval for receiving the alarm information by the terminal equipment;
sending alarm information to the corresponding terminal equipment in the time interval according to the alarm information pushing strategy;
after the preset time, judging whether an alarm information consulting event sent by the terminal equipment is received or not;
and if the alarm information consulting event sent by the terminal equipment is not received, repeating the steps until the alarm information consulting event sent by the terminal equipment is received.
To achieve the above and other related objects, the present invention also provides a power station operation state monitoring device, including:
the preset information acquisition module is used for acquiring a threshold value of a target parameter preset by a user through the terminal equipment and an alarm information pushing strategy;
the detection information acquisition module is used for acquiring target detection data of the target parameters of the energy storage power station;
the judging module is used for judging whether an alarm condition is met or not according to the target detection data and the threshold value of the target parameter;
and the alarm module is used for sending alarm information to the terminal equipment according to an alarm information pushing strategy when the alarm condition is met.
To achieve the above and other related objects, the present invention also provides a power station cloud control system, including:
the cloud server is in communication connection with a BMS (battery management system) of the energy storage power station;
the mobile terminal is in communication connection with the cloud server;
the cloud server comprises the power station operation state monitoring device.
To achieve the above and other related objects, the present invention also provides a cloud server, including:
a processor;
and the memory is connected with the processor, and a computer program is stored in the memory, and the computer program can realize the steps of the method when running in the processor.
The invention has the technical effects that: the method and the device can autonomously set the pushing mode of the alarm information according to the user requirements, so that the user experience is improved, meanwhile, the method and the device perform desensitization processing on the detection data, and perform secondary judgment on the operation state of the power station according to the desensitized data, so that false alarm of a monitoring system caused by signal interference is avoided, unnecessary alarm information pushing is reduced, in addition, when the alarm condition is judged for the first time, only the boundary value of the floating range of the target parameter is calculated, the system calculation force is saved, and the operation efficiency of the cloud server is improved.
Drawings
FIG. 1 is an application scenario diagram of a power station operation state monitoring method provided by an embodiment of the present invention;
FIG. 2 is a flow chart of a method for monitoring the operational status of a power station provided by an embodiment of the present invention;
FIG. 3 is a flow chart of an alarm condition determination method provided by an embodiment of the present invention;
FIG. 4 is a flow chart of a method for desensitizing detection data provided by an embodiment of the present invention;
FIG. 5 is a flowchart of an alarm information sending method according to an embodiment of the present invention;
FIG. 6 is a functional block diagram of a plant operating condition monitoring device provided by an embodiment of the present invention;
FIG. 7 is a block diagram of a cloud server provided by an embodiment of the present invention;
FIG. 8 is a graph of target parameter versus time provided by an embodiment of the present invention.
Detailed Description
Other advantages and effects of the present invention will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present invention with reference to specific examples. The invention may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present invention.
Please refer to fig. 1-8. It should be noted that, the illustrations provided in the present embodiment merely illustrate the basic concept of the present invention by way of illustration, and only the components related to the present invention are shown in the drawings and are not drawn according to the number, shape and size of the components in actual implementation, and the form, number and proportion of the components in actual implementation may be arbitrarily changed, and the layout of the components may be more complex.
Fig. 2 shows a flow chart of a preferred embodiment of the power station operating condition monitoring method of the present invention.
The power station operation state monitoring method 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 the hardware of the electronic devices comprises, but is not limited to, microprocessors, application specific integrated circuits (Application Specific Integrated Circuit, ASICs), programmable gate arrays (Field-Programmable Gate Array, FPGA), digital processors (Digital Signal Processor, DSP), embedded devices and the like.
The electronic device may comprise a network device and/or a user device. Wherein the network device includes, but is not limited to, a single network server, a server group composed of a plurality of network servers, or a Cloud based Cloud Computing (Cloud Computing) composed of a large number of hosts or network servers.
The network in which the electronic device 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 (Virtual Private Network, VPN), and the like.
The method for monitoring the operation state of a power station according to the present invention, which is applicable to monitoring of an energy storage battery of a consumer's optical storage and charging system, will be described in detail with reference to fig. 1 to 8. The household photo-electricity storage and charging system can comprise a photovoltaic module and an energy storage battery, wherein electric energy generated by the photovoltaic module can charge the energy storage battery, and when the electric quantity of the energy storage battery is saturated, the photovoltaic module can be directly connected with a power grid; the energy storage battery can directly supply power to the electric equipment, and can also be combined into a power grid, and meanwhile, when the power generation efficiency of the photovoltaic module is insufficient, the energy storage battery can be charged through the power grid.
It should be understood that in a user optical storage charging application scenario, the operation state of the energy storage battery can be set by the user, the user can also obtain the operation parameters of the energy storage battery in real time through the mobile terminal, and data interaction is performed between the mobile terminal and the energy storage battery through the cloud server. As a further development of the invention, the alarm information pushing mode can be combined with the positioning function of the mobile terminal, and the pushing mode is set according to the position of the user, for example, the alarm information is pushed only when the user leaves home.
Referring to fig. 2, the method for monitoring the operation state of a power station provided by the embodiment of the present invention is applied to a cloud server 10, where the cloud server 10 is respectively connected with an energy storage power station 20 and a terminal device 30 in a communication manner, and the method for monitoring the operation state of the power station includes the following steps:
s10: and acquiring a threshold value of a target parameter preset by a user through the terminal equipment and an alarm information pushing strategy.
It should be understood that in a specific embodiment, the terminal device may be, for example, a mobile phone, a tablet computer or other portable terminals, or may be a fixed terminal device such as a desktop computer; after the user sets the threshold value of the target parameter and the alarm information pushing strategy on the terminal equipment, the terminal equipment can send the data to the cloud server so that the cloud server can be called in time in the follow-up monitoring process.
S20: acquiring target detection data of the target parameters of the energy storage power station; it should be understood that the target detection data does not necessarily include all detection data of the target parameter at all times, but may include only a portion critical to alarm condition judgment, for example, a boundary value of a floating range of the target parameter in a period of time, that is, a maximum value and/or a minimum value of the target parameter in a period of time, which helps to save calculation power of a cloud server and improve operation efficiency of the server.
S30: judging whether an alarm condition is met or not according to the target detection data and the threshold value of the target parameter; it should be understood that, in the present invention, the judgment of the alarm condition is not simply comparing the target detection data with the threshold value, but adds a secondary judgment process to avoid the system false alarm caused by the sporadic fluctuation of the detection data, and the step S30 specifically includes the following steps:
s31: comparing the target detection data with the threshold value, it should be understood that, because the target detection data includes the boundary value of the floating range of the target parameter, when the target detection data does not exceed the range defined by the threshold value, it is indicated that the target parameter exceeds the threshold value in the whole detection time interval, and no alarm information is sent.
S32: when the target detection data exceeds the range limited by the threshold value, acquiring all detection data of the target parameter in the preset time interval; it should be appreciated that when the target detection data exceeds the range defined by the threshold, it indicates that the operation state of the power station may be abnormal, or may be merely sporadic fluctuation of the target parameter caused by external signal interference, so that the present invention further obtains all detection data in the time interval, so as to make a finer judgment on the operation state of the power station.
S33: desensitizing all detection data according to the threshold value to obtain desensitized data, wherein the desensitized data comprises duration information and amplitude information when the target parameter exceeds the threshold value; it should be understood that, in order to eliminate the interference of sporadic fluctuation of signals on a monitoring system, the invention introduces the duration information and the amplitude information when the target parameter exceeds the threshold value, and the combination of the two information can more accurately judge the real running state of the power station, and the interference of sporadic fluctuation on monitoring is eliminated, which specifically comprises the following steps:
s331: constructing a time-varying curve of the target parameter in a plane coordinate system according to all the detection data, as shown in fig. 8;
s332: constructing a threshold boundary in the plane coordinate system according to the threshold, wherein the threshold boundary is a straight line with the threshold as an intercept and the slope of the threshold is 0, as shown in fig. 8;
s333: and calculating the area of a target area between the part of the target parameter changing curve with time exceeding the threshold dividing line and the area under the curve of the target parameter changing curve with time, and taking the area of the target area and the area under the curve as the desensitization data, as shown in fig. 8.
It should be appreciated that the area of the target area between the portion of the time-dependent curve of the target parameter exceeding the threshold boundary and the threshold boundary is related to the duration information and the amplitude information when the target parameter exceeds the threshold, and that the greater the area of the target area, the more serious the deviation of the target parameter from the threshold, so that the area of the target area can directly reflect the reliability of the abnormality of the target parameter.
The step S30 further includes:
s34: in a specific embodiment, the step S34 may include, for example:
calculating the ratio between the area of the target area and the area under the curve; and when the area of the target area is more than 2% -5% of the area under the curve, judging that the alarm condition is met, otherwise, judging that the alarm condition is not met.
It has been mentioned above that the area of the target area between the part of the target parameter over time curve exceeding the threshold parting line and the threshold parting line is related to the duration information and the amplitude information when the target parameter exceeds the threshold, so that when this area is small, the phenomenon that the target parameter deviates from the threshold is likely to be merely an occasional signal toggle, and the system alarm may not be triggered.
The power station operation state monitoring method further comprises the following steps:
s40: and when the alarm condition is met, sending alarm information to the terminal equipment according to an alarm information pushing strategy.
In a specific embodiment, the step S40 includes:
s41: invoking a preset alarm information pushing strategy, wherein the alarm information pushing strategy at least comprises a terminal equipment type for receiving alarm information and a time interval for receiving the alarm information by the terminal equipment;
s42: sending alarm information to the corresponding terminal equipment in the time interval according to the alarm information pushing strategy;
s43: after the preset time, judging whether an alarm information consulting event sent by the terminal equipment is received or not; it should be understood that the alarm information consulting event refers to an operation of clicking on the alarm information by the user, the operation should be able to be identified by the terminal device, and after the terminal device identifies the operation of the user, the operation is fed back to the cloud server.
S44: if the alarm information consulting event sent by the terminal equipment is not received, repeating the steps until the alarm information consulting event sent by the terminal equipment is received, so as to ensure that a user can receive the alarm information in time.
It should be noted that, the above steps of the methods are divided, for clarity of description, and may be combined into one step or split into multiple steps when implemented, so long as they contain the same logic relationship, and they are all within the protection scope of the present patent; it is within the scope of this patent to add insignificant modifications to the algorithm or flow or introduce insignificant designs, but not to alter the core design of its algorithm and flow.
As shown in fig. 6, based on the above-mentioned power station operation state monitoring method, the present invention further provides a power station operation state monitoring device, which includes a preset information acquisition module 100, a detection information acquisition module 200, a judgment module 300, and an alarm module 400; the preset information acquisition module 100 is configured to acquire a threshold value of a target parameter preset by a user through the terminal device and an alarm information push policy; the detection information acquisition module 200 is configured to acquire target detection data of the target parameter of the energy storage power station; the judging module 300 is configured to judge whether an alarm condition is met according to the target detection data and the threshold value of the target parameter; the alarm module 400 is configured to send alarm information to the terminal device according to an alarm information pushing policy when the alarm condition is satisfied. The module referred to in the present invention refers to a series of computer program segments capable of being executed by a processor and of performing a fixed function, which are stored in a memory.
It should be noted that, the power station operation state monitoring device of the present embodiment is a device corresponding to the above power station operation state monitoring method, and the functional modules in the power station operation state monitoring device or the corresponding steps in the power station operation state monitoring method respectively. The power station operation state monitoring device of the embodiment can be implemented in cooperation with a power station operation state monitoring method. Accordingly, the related technical details mentioned in the power station operation state monitoring device of the present embodiment can also be applied to the above power station operation state monitoring method.
It should be noted that each of the above functional modules may be fully or partially integrated into one physical entity or may be physically separated. And these modules may all be implemented in software in the form of calls by the processing element; or can be realized in hardware; the method can also be realized in a form of calling software by a processing element, and the method can be realized in a form of hardware by a part of modules. In addition, all or part of the modules can be integrated together or can be independently implemented. The processing element described herein may be an integrated circuit having signal processing capabilities. In implementation, some or all of the steps of the above methods, or the above functional modules, may be implemented by integrated logic circuits of hardware in the processor element or instructions in the form of software.
As shown in fig. 1, the present invention further provides a power station cloud control system, which includes a cloud server 10 and a mobile terminal 30; the cloud server 10 is in communication connection with the BMS of the energy storage power station 20; the mobile terminal 30 is in communication connection with the cloud server 10; the cloud server 10 includes a power station operation state monitoring device shown in fig. 6.
As shown in fig. 7, a schematic structural diagram of a cloud server according to an embodiment of the present invention may include a memory 2000, a processor 1000, and a bus, and may further include a computer program stored in the memory 2000 and executable on the processor 1000, for example, a power station running state monitoring program.
The memory includes at least one type of readable storage medium including flash memory, a removable hard disk, a multimedia card, a card memory (e.g., SD or DX memory, etc.), a magnetic memory, a magnetic disk, an optical disk, etc. The memory may in some embodiments be an internal storage unit of the electronic device, such as a mobile hard disk of the electronic device. The memory may also be an external storage device of the electronic device in other embodiments, such as a plug-in mobile hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash Card (Flash Card) or the like, which are provided on the electronic device. Further, the memory may also include both internal storage units and external storage devices of the electronic device. The memory may be used not only for storing application software installed in the electronic device and various types of data, such as codes of a power station operation state monitoring program, etc., but also for temporarily storing data that has been output or is to be output.
The processor may in some embodiments be comprised of integrated circuits, for example, a single packaged integrated circuit, or may be comprised of multiple integrated circuits packaged with the same or different functionality, including one or more central processing units (Central Processing unit, CPU), microprocessors, digital processing chips, graphics processors, a combination of various control chips, and the like. The processor is a Control Unit (Control Unit) of the electronic device, connects various components of the entire electronic device using various interfaces and lines, and executes various functions of the cloud server and processes data by running or executing programs or modules stored in the memory (for example, executing a station operation state monitoring program, etc.), and calling data stored in the memory.
And the processor executes the operating system of the cloud server and various installed application programs. The processor executes the application program to implement the steps of the various power station operating condition monitoring method embodiments described above, such as the steps shown in fig. 2.
The computer program may be divided into one or more modules, which are stored in the memory and executed by the processor to accomplish the present invention, for example. The one or more modules may be a series of computer program instruction segments capable of performing the specified functions, which are used to describe the execution of the computer program in the electronic device.
The integrated units implemented in the form of software functional modules described above may be stored in a computer readable storage medium. The software functional module is stored in a storage medium, and includes several instructions for making a computer device (which may be a personal computer, a computer device, or a network device, etc.) or a processor (processor) execute part of the functions of the power station operation state monitoring method according to the embodiments of the present invention.
In summary, the method and the device can autonomously set the pushing mode of the alarm information according to the user requirements, so that the user experience is improved, meanwhile, the method and the device perform desensitization processing on the detection data, perform secondary judgment on the operation state of the power station according to the desensitized data, avoid false alarm of the monitoring system caused by signal interference, reduce unnecessary alarm information pushing, and only calculate the boundary value of the floating range of the target parameter when the alarm condition is judged for the first time, save system calculation power and improve the operation efficiency of the cloud server.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof.
The above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present invention.
Claims (10)
1. The utility model provides a power station running state monitoring method which is characterized in that the method is applied to cloud server, the cloud server is connected with energy storage power station and terminal equipment communication respectively, the power station running state monitoring method includes the following steps:
acquiring a threshold value of a target parameter preset by a user through the terminal equipment and an alarm information pushing strategy;
acquiring target detection data of the target parameters of the energy storage power station;
judging whether an alarm condition is met or not according to the target detection data and the threshold value of the target parameter;
and when the alarm condition is met, sending alarm information to the terminal equipment according to the alarm information pushing strategy.
2. The method of claim 1, wherein the step of obtaining target detection data for the target parameter of the energy storage power station comprises:
and acquiring boundary values of the floating range of the target parameter in a preset time interval as the target detection data.
3. The power station operation state monitoring method according to claim 2, wherein the step of judging whether an alarm condition is satisfied based on the target detection data and a threshold value of the target parameter comprises:
comparing the target detection data with the threshold;
when the target detection data exceeds the range limited by the threshold value, acquiring all detection data of the target parameter in the preset time interval;
desensitizing all detection data according to the threshold value to obtain desensitized data, wherein the desensitized data comprises duration information and amplitude information when the target parameter exceeds the threshold value;
judging whether an alarm condition is met according to the desensitization data.
4. A plant operating condition monitoring method according to claim 3, wherein the step of desensitizing all the detected data according to the threshold value to obtain desensitized data comprises:
constructing a time-varying curve of the target parameter in a plane coordinate system according to all the detection data;
constructing a threshold boundary in the plane coordinate system according to the threshold, wherein the threshold boundary is a straight line with the threshold as an intercept and a slope of 0;
and calculating the area of a target area between the part of the target parameter changing curve with time exceeding the threshold dividing line and the threshold dividing line, and the area under the curve of the target parameter changing curve with time, and taking the area of the target area and the area under the curve as the desensitization data.
5. The method of claim 4, wherein said step of determining whether an alarm condition is satisfied based on said desensitization data comprises:
calculating the ratio between the area of the target area and the area under the curve;
and when the area of the target area is more than 2% -5% of the area under the curve, judging that the alarm condition is met, otherwise, judging that the alarm condition is not met.
6. A plant operational status monitoring method according to claim 3, wherein said step of comparing said target detection data with said threshold value further comprises, after said step of:
and when the target detection data does not exceed the range limited by the threshold value, judging that the alarm condition is not met.
7. The method for monitoring the operation state of a power station according to claim 1, wherein the step of sending the alarm information to the terminal device according to the alarm information push policy when the alarm condition is satisfied comprises:
invoking a preset alarm information pushing strategy, wherein the alarm information pushing strategy at least comprises a terminal equipment type for receiving alarm information and a time interval for receiving the alarm information by the terminal equipment;
sending alarm information to the corresponding terminal equipment in the time interval according to the alarm information pushing strategy;
after the preset time, judging whether an alarm information consulting event sent by the terminal equipment is received or not;
and if the alarm information consulting event sent by the terminal equipment is not received, repeating the steps until the alarm information consulting event sent by the terminal equipment is received.
8. A power plant operating condition monitoring device, comprising:
the preset information acquisition module is used for acquiring a threshold value of a target parameter preset by a user through the terminal equipment and an alarm information pushing strategy;
the detection information acquisition module is used for acquiring target detection data of the target parameters of the energy storage power station;
the judging module is used for judging whether an alarm condition is met or not according to the target detection data and the threshold value of the target parameter;
and the alarm module is used for sending alarm information to the terminal equipment according to an alarm information pushing strategy when the alarm condition is met.
9. A power plant cloud control system, comprising:
the cloud server is in communication connection with the BMS of the energy storage power station;
the mobile terminal is in communication connection with the cloud server;
the cloud server comprises the power station operation state monitoring device of claim 8.
10. A cloud server, comprising:
a processor;
a memory coupled to the processor, the memory having stored therein a computer program that, when executed in the processor, is capable of carrying out the steps of the method of any one of claims 1 to 7.
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