CN115291101B - Abnormality detection method, apparatus, system, and computer-readable storage medium - Google Patents
Abnormality detection method, apparatus, system, and computer-readable storage medium Download PDFInfo
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- CN115291101B CN115291101B CN202211222561.7A CN202211222561A CN115291101B CN 115291101 B CN115291101 B CN 115291101B CN 202211222561 A CN202211222561 A CN 202211222561A CN 115291101 B CN115291101 B CN 115291101B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
- G01R31/3271—Testing of circuit interrupters, switches or circuit-breakers of high voltage or medium voltage devices
- G01R31/3275—Fault detection or status indication
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
Abstract
The application provides an abnormality detection method, an abnormality detection device, an abnormality detection system and a computer-readable storage medium, wherein the abnormality detection method comprises the following steps: starting a backup power supply when a power-down signal is received; starting timing according to the power failure signal, and acquiring a voltage signal set of the backup power supply changing along with time; and judging whether the circuit breaker system is abnormal or not according to the voltage signal set and the preset voltage signal set. According to the circuit breaker system and the method, the backup power source is started when the power failure signal is received, the voltage signal set of the backup power source changing along with time is collected, whether the circuit breaker system is abnormal or not is judged by comparing the voltage signal set with the preset voltage signal set, the abnormal states such as local short circuit or impedance reduction of a hardware circuit of the circuit breaker system can be found in time, the phenomenon that the backup power source cannot process data due to discharging is avoided, and the stability and the reliability of the circuit breaker system are improved.
Description
Technical Field
The present application relates to the field of electrical switch technologies, and in particular, to a method, an apparatus, a system, and a computer-readable storage medium for detecting an abnormality.
Background
At present, in a power failure detection function of a circuit breaker, in order to ensure that important data can be stored in time when power failure suddenly occurs, a backup power supply mode is usually switched to store the data when a power failure signal is detected. The backup power supply generally adopts a super-capacitor or battery power supply mode, and if a hardware circuit of the circuit breaker system is in a local abnormal state for a long time due to factors such as local short circuit or impedance reduction and the like and cannot be found and replaced in time, the discharge rate of the backup power supply is accelerated, the purpose that data can still be processed after power failure cannot be achieved, and the stability and reliability of the system are reduced.
Disclosure of Invention
The application provides an abnormality detection method, an abnormality detection device, an abnormality detection system and a computer readable storage medium, and aims to solve the technical problem that the discharge rate of a backup power supply is accelerated due to the fact that abnormality of a circuit breaker system is difficult to find at present.
In a first aspect, the present application provides an anomaly detection method applied to a circuit breaker system, where the circuit breaker system includes a backup power source, and the anomaly detection method includes:
starting a backup power supply when a power-down signal is received;
starting timing according to the power failure signal, and acquiring a voltage signal set of the backup power supply changing along with time;
and judging whether the circuit breaker system is abnormal or not according to the voltage signal set and the preset voltage signal set.
In some embodiments, the voltage signal set includes a plurality of sets of time nodes and measured voltage value data, the measured voltage values corresponding one-to-one to the time nodes;
the preset voltage signal set comprises a plurality of groups of time nodes and preset voltage value data, and the preset voltage values correspond to the time nodes one to one;
the step of judging whether the circuit breaker system is abnormal or not according to the voltage signal set and the preset voltage signal set comprises the following steps:
drawing a current voltage change curve of the backup power supply according to the multiple groups of time nodes and the measured voltage value data;
drawing a preset voltage change curve of the backup power supply according to the multiple groups of time nodes and the preset voltage value data;
and judging whether the circuit breaker system is abnormal or not according to the current voltage change curve and the preset voltage change curve.
In some embodiments, the method further comprises:
acquiring a historical voltage signal set, wherein the historical voltage signal set comprises a plurality of groups of time nodes and historical voltage value data, and the historical voltage values correspond to the time nodes one to one;
drawing a historical voltage change curve of the backup power supply according to the multiple groups of time nodes and the historical voltage value data;
and judging whether the circuit breaker system is aged gradually or not according to the current voltage change curve, the preset voltage change curve and the historical voltage change curve.
In some embodiments, the voltage signal set includes a plurality of sets of time nodes and measured voltage value data, the measured voltage values corresponding to the time nodes one-to-one;
the preset voltage signal set comprises a plurality of groups of time nodes and preset voltage value data, and the preset voltage values correspond to the time nodes one to one;
the step of judging whether the circuit breaker system is abnormal or not according to the voltage signal set and the preset voltage signal set comprises the following steps:
determining a first time consumed by the measured voltage value to be reduced to a preset value according to the voltage signal set;
determining a second time consumed by the preset voltage value to be reduced to a preset value according to the preset voltage signal set;
and judging whether the circuit breaker system is abnormal or not according to the first time and the second time.
In some embodiments, a circuit breaker system includes a clock unit, a temperature acquisition unit, and a metering unit;
the step of judging whether the circuit breaker system is abnormal or not according to the first time and the second time comprises the following steps of:
when the first time meets a first preset condition, determining that the clock unit is abnormal;
when the first time meets a second preset condition, determining that the temperature acquisition unit is abnormal;
when the first time meets a third preset condition, determining that the metering unit is abnormal;
and when the first time is equal to the second time, judging that the circuit breaker system is not abnormal.
In some embodiments, the step of starting timing based on the power down signal and collecting a set of voltage signals of the backup power source over time includes:
measuring a plurality of measured voltage values of the backup power supply at a plurality of time nodes respectively, wherein the time nodes correspond to the measured voltage values one to one;
and after each time node is measured to obtain a measured voltage value, obtaining a real-time voltage signal set corresponding to each time node, wherein the real-time voltage signal set comprises the measured voltage values of any time node and the previous time nodes.
In some embodiments, the step of determining whether the circuit breaker system is abnormal according to the voltage signal set and the preset voltage signal set includes:
and judging whether the circuit breaker system is abnormal or not according to the real-time voltage signal set and the preset voltage signal set.
In a second aspect, the present application provides an abnormality detection apparatus comprising:
the power failure detection module is used for starting a backup power supply when receiving a power failure signal;
the voltage acquisition module is used for starting timing according to the power failure signal and acquiring a voltage signal set of the backup power supply changing along with time;
and the abnormity judgment module is used for judging whether the circuit breaker system is abnormal or not according to the voltage signal set and the preset voltage signal set.
In a third aspect, the present application provides an anomaly detection system, comprising:
one or more processors;
a memory; and
one or more application programs, wherein the one or more application programs are stored in the memory and configured to be executed by the processor to implement the anomaly detection method as described in the first aspect.
In a fourth aspect, the present application provides a computer readable storage medium having stored thereon a computer program, which is loaded by a processor to perform the steps of the anomaly detection method according to the first aspect.
According to the circuit breaker system and the method, the backup power source is started when the power failure signal is received, the voltage signal set of the backup power source changing along with time is collected, whether the circuit breaker system is abnormal or not is judged by comparing the voltage signal set with the preset voltage signal set, abnormal states such as local short circuit or impedance reduction of a hardware circuit of the circuit breaker system can be found in time, the phenomenon that the backup power source cannot process data due to discharging is avoided, and the stability and the reliability of the circuit breaker system are improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic view of a scenario of circuit breaker anomaly detection provided in an embodiment of the present application;
FIG. 2 is a schematic flow chart of an anomaly detection method provided in an embodiment of the present application;
fig. 3 is a schematic flow chart of determining whether the breaker system is normal according to the embodiment of the present application;
FIG. 4 is a schematic diagram of a voltage profile provided in an embodiment of the present application;
FIG. 5 is another schematic illustration of a voltage profile provided in an embodiment of the present application;
fig. 6 is a schematic flow chart of determining whether the circuit breaker system is degraded according to the embodiment of the present application;
fig. 7 is another schematic flow chart of determining whether the circuit breaker system is normal according to the embodiment of the present application;
FIG. 8 is another schematic illustration of a voltage profile provided in an embodiment of the present application;
fig. 9 is another schematic flow chart of determining whether the circuit breaker system is normal according to the embodiment of the present application;
FIG. 10 is a block diagram of an anomaly detection apparatus provided in an embodiment of the present application;
fig. 11 is a schematic structural diagram of an abnormality detection system provided in an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In this application, the word "exemplary" is used to mean "serving as an example, instance, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments. The following description is presented to enable any person skilled in the art to make and use the invention. In the following description, details are set forth for the purpose of explanation. It will be apparent to one of ordinary skill in the art that the present invention may be practiced without these specific details. In other instances, well-known structures and processes are not set forth in detail in order to avoid obscuring the description of the present invention with unnecessary detail. Thus, the present invention is not intended to be limited to the embodiments shown, but is to be accorded the widest scope consistent with the principles and features disclosed herein.
Embodiments of the present application provide an anomaly detection method, apparatus, system, and computer-readable storage medium, which are described in detail below.
First, referring to fig. 1, fig. 1 is a schematic diagram illustrating a scenario of circuit breaker abnormality detection in an embodiment of the present application, wherein in a circuit breaker abnormality detection scenario, it may be determined whether there is an abnormality of the circuit breaker by detecting a voltage signal of the backup power supply 103, for example, an abnormal state such as a local short circuit or a decrease in impedance of a hardware circuit of the circuit breaker system 102. In some embodiments of the present application, as shown in fig. 1, a breaker anomaly detection scenario includes a server 101, a breaker system 102, a backup power source 103, a network 104, and a storage device 105.
The server 101 may receive and/or process data and/or information from at least one component in a circuit breaker anomaly detection scenario or an external data source (e.g., the storage device 105, the backup power source 103, and the circuit breaker system 102), e.g., the server 101 may receive a power down signal from the circuit breaker system 102; for another example, server 101 may receive a voltage signal from backup power supply 103; for another example, the server 101 may receive data such as a preset voltage signal set sent by the storage device 105. In some embodiments of the present application, the server 101 may be a single server or a group of servers. In some embodiments of the present application, the server may be an upper computer directly connected to the circuit breaker system, or a master station or a remote server on the communication bus.
The circuit breaker system 102 can close or open the current under normal loop conditions to allow the appliance on the normal loop to function properly. In some embodiments of the present application, the circuit breaker system 102 has power down detection functionality, as well as the ability to signal a power down in time when the circuit breaker is powered down. In some embodiments of the present application, the circuit breaker system 102 includes electrical units, such as a clock unit, a temperature acquisition unit, and a metering unit, that are associated with circuit breaker operational data.
The backup power supply 103 may provide backup power for the circuit breaker system 102 when a circuit breaker power failure is detected to ensure that important data of the circuit breaker system 102 can be saved in time. Illustratively, the backup power source 103 may be a super capacitor or battery, such as a lithium manganate battery, a lithium cobaltate battery, a lithium iron phosphate battery, a ternary lithium battery, and the like.
The network 104 connects the components of the circuit breaker anomaly detection scenario so that communications can be made between the components to facilitate the exchange of information and/or data. In some embodiments, at least one component (e.g., server 101, storage device 105, backup power supply 103) in a circuit breaker anomaly detection scenario may send information and/or data (e.g., voltage information) to other components via network 104. In some embodiments, the network between the parts in the circuit breaker anomaly detection scenario may be any one or more of a wired network or a wireless network. For example, the network 104 may include a cable network, a wired network, a fiber optic network, a telecommunications network, an intranet, the internet, a local area network, an intra-device bus, an intra-device line, a cable connection, and the like, or any combination thereof.
It should be noted that the above description of the application scenario of anomaly detection is for illustration and explanation only, and does not limit the application scope of the present application. For those skilled in the art, under the guidance of the present application, various modifications and changes may be made to the application scenario of anomaly detection, for example, an alarm device may be further provided to facilitate alarm when detecting a power failure of the circuit breaker system.
Continuing to refer to fig. 2, fig. 2 is a schematic flow chart of an anomaly detection method in the embodiment of the present application, where the anomaly detection method includes:
step S201, when a power failure signal is received, starting a backup power supply;
specifically, the power down signal is sent by the circuit breaker system, and the backup power supply can be started after the power down signal is received, so that a power supply is provided for the circuit breaker system, and the condition that the circuit breaker system cannot store important data due to power failure is avoided. Illustratively, the backup power source may be a super capacitor or battery, such as a lithium manganate battery, a lithium cobaltate battery, a lithium iron phosphate battery, a ternary lithium battery, and the like.
Step S202, timing is started according to the power failure signal, and a voltage signal set of the backup power supply changing along with time is collected;
and timing and acquiring a voltage signal set of the backup power supply changing along with time when receiving the power failure signal, wherein the voltage signal set is a set of voltage change data of the backup power supply. In some embodiments of the present application, the voltage signal set includes a plurality of measured voltage values, the plurality of measured voltage values being ordered in time nodes, e.g., the measurement time interval of the backup power supply voltage is 1 second, then the plurality of measured voltage values in turn represent voltage values 1 second, 2 seconds. Illustratively, the set of voltage signals may be {15v,14.3v,13.7v,13.1v.... },15V denotes a voltage value 1 second after the backup power is started, and 14.3V denotes a voltage value 2 seconds after the backup power is started.
In some embodiments of the present application, the voltage signal set includes a plurality of sets of time nodes and measured voltage value data, the measured voltage values corresponding to the time nodes one-to-one, for example, the time nodes and the measured voltage values form key value pair data, the plurality of sets of key value pair data form the voltage signal set, wherein the key data of the key value pair data represents the time nodes, and the value data represents the measured voltage values, so as to associate the time nodes with the measured voltage values. Illustratively, the set of voltage signals may be {1s-15v,2s-14.3v,3s-13.7v,4s-13.1V.
In some embodiments of the present application, after obtaining the voltage signal set of the backup power supply changing with time, the voltage signal set may further be stored in the storage device, so as to call the historical voltage signal set for performing the abnormality judgment of the circuit breaker system when detecting the next abnormality, for example, to judge whether the circuit breaker system has an aging phenomenon.
Step S203, determining whether the circuit breaker system is abnormal according to the voltage signal set and the preset voltage signal set.
The preset voltage signal set refers to a set of voltage change data after the backup power supply is started in a normal state of the circuit breaker system, wherein the preset voltage signal set can be stored in the storage device so as to facilitate data reading of the server. In some embodiments of the present application, for example, for an embodiment in which the voltage signal set includes a plurality of measured voltage values, the preset voltage signal set includes a plurality of preset voltage values, the plurality of preset voltage values are sorted by time nodes, and the preset voltage values are in one-to-one correspondence with the measured voltage values, for example, if the measurement time interval of the backup power voltage is 1 second, the plurality of preset voltage values sequentially represent voltage values 1 second and 2 seconds after the backup power is started in a normal state of the circuit breaker system. Exemplarily, the set of preset voltage signals may be {15v,14.5v,14.1v,13.7v. }.
In some embodiments of the present application, for example, for an embodiment in which the voltage signal set includes a plurality of sets of time nodes and measured voltage value data, the preset voltage signal set includes a plurality of sets of time nodes and preset voltage value data, the preset voltage values are in one-to-one correspondence with the time nodes, for example, the time nodes and the preset voltage values form key value pair data, the plurality of sets of key value pair data form the preset voltage signal set, wherein the key data of the key value pair data represents the time nodes, and the value data represents the preset voltage values, so as to associate the time nodes and the preset voltage values of the preset voltage signal set, so that the measured voltage values of the voltage signal set and the preset voltage signals of the preset voltage signal set are both associated with the time nodes. Illustratively, the preset set of voltage signals may be {1s-15v,2s-14.5v,3s-14.1v,4s-13.7V.
After the voltage signal set and the preset voltage signal set are obtained, the data of the voltage signal set and the data of the preset voltage signal set can be compared, and whether the circuit breaker system is abnormal or not is judged. In some embodiments of the present application, for example, for an embodiment in which the voltage signal set includes a plurality of measured voltage values and the preset voltage signal set includes a plurality of preset voltage values, the preset voltage values corresponding to each other may be compared with the measured voltage values, so as to determine whether the measured voltage values are lower than the corresponding preset voltage values, determine that the backup power source has an abnormal discharge phenomenon, and finally determine that the circuit breaker system has an abnormal phenomenon.
Illustratively, the voltage signal sets are {15v,14.3v,13.7v,13.1v. }, and the preset voltage signal sets are {15v,14.5v,14.1v,13.7v. }, wherein the measurement voltage value 14.3V is lower than the corresponding preset voltage value 14.5V, the measurement voltage value 13.7V is lower than the corresponding preset voltage value 14.1V, and the measurement voltage value 13.1V is lower than the corresponding preset voltage value 13.7V, it may be determined that the backup power source has the abnormal discharge phenomenon.
In some embodiments of the present application, for example, for embodiments in which the voltage signal set includes a plurality of sets of time nodes and measured voltage value data, and the preset voltage signal set includes a plurality of sets of time nodes and preset voltage value data, the key value pair data of the same time node may be compared to determine whether the measured voltage value is lower than the corresponding preset voltage value, so as to determine that the backup power source has the abnormal discharge phenomenon.
Illustratively, the voltage signal set is {1s-15v,2s-14.3v,3s-13.7v,4s-13.1V. }, and the preset voltage signal set is {1s-15v,2s-14.5v,3s-14.1v,4s-13.7V. }, wherein the measured voltage value 14.3V at the 2 second time node is lower than the corresponding preset voltage value 14.5V, the measured voltage value 13.7V at the 3 second time node is lower than the corresponding preset voltage value 14.1V, and the measured voltage value 13.1V at the 4 second time node is lower than the corresponding preset voltage value 13.7V, so that the backup power supply can be judged to have abnormal discharge phenomenon.
In some embodiments of the present application, for example, for an embodiment in which the voltage signal set includes a plurality of sets of time nodes and measured voltage value data, and the preset voltage signal set includes a plurality of sets of time nodes and preset voltage value data, refer to fig. 3 continuously, where fig. 3 shows a schematic flow chart of determining whether the circuit breaker system is normal in the embodiment of the present application, where the step of determining whether the circuit breaker system is normal includes:
step S301, drawing a current voltage change curve of the backup power supply according to a plurality of groups of time nodes and measured voltage value data;
step S302, drawing a preset voltage change curve of the backup power supply according to the multiple groups of time nodes and preset voltage value data;
step S303, judging whether the circuit breaker system is abnormal or not according to the current voltage change curve and the preset voltage change curve.
For example, referring to fig. 4, fig. 4 shows a schematic diagram of a voltage variation curve in an embodiment of the present application, a discharge time of the backup power source is 3min0s000ms in a normal condition of the circuit breaker system, and if a current voltage variation curve drawn according to multiple groups of time nodes and measured voltage value data is substantially consistent with the preset voltage variation curve, it may be determined that the circuit breaker system is normal.
Continuing to refer to fig. 5, fig. 5 shows a schematic diagram of a voltage variation curve in the embodiment of the present application, wherein a voltage measurement value at any point on the current voltage variation curve is lower than a preset voltage value at any point on the preset voltage variation curve, which indicates that the discharge rate of the backup power source is fast, and finally, it can be determined that the circuit breaker system has an abnormal phenomenon.
It can be understood that, the current voltage change curve and the preset voltage change curve may be respectively subjected to integral processing, or the slope relationship between the current voltage change curve and the preset voltage change curve may be respectively calculated, so as to determine whether the backup power source has an abnormal discharge phenomenon.
In some embodiments of the present application, aging determination may also be performed on the circuit breaker system, for example, referring to fig. 6, fig. 6 shows a schematic flow chart of determining whether the circuit breaker system is aged in the embodiments of the present application, where the step of determining whether the circuit breaker system is aged includes:
step S601, acquiring a historical voltage signal set, wherein multiple groups of time nodes and historical voltage value data of the historical voltage signal set correspond to the time nodes one by one;
step S602, drawing a historical voltage change curve of the backup power supply according to the multiple groups of time nodes and the historical voltage value data;
step S603, determining whether the breaker system is gradually aged according to the current voltage variation curve, the preset voltage variation curve, and the historical voltage variation curve.
Specifically, the historical voltage signal set refers to a set of voltage change data of the backup power supply in a historical discharging process, wherein the historical voltage signal set can be stored in a storage device so as to facilitate data reading by a server or an upper computer. In some embodiments of the present application, for example, for embodiments in which the voltage signal set includes a plurality of measured voltage values, the historical voltage signal set includes a plurality of historical voltage values, the plurality of historical voltage values are sorted by time node, and the historical voltage values are in one-to-one correspondence with the measured voltage values, for example, the measurement time interval of the backup power voltage is 1 second, and then the plurality of historical voltage values sequentially represent voltage values of 1 second, 2 seconds.
In some embodiments of the present application, for example, for an embodiment in which the voltage signal set includes a plurality of sets of time nodes and measured voltage value data, the historical voltage signal set includes a plurality of sets of time nodes and historical voltage value data, the historical voltage values correspond to the time nodes in a one-to-one manner, for example, the time nodes and the historical voltage values form key value pair data, the plurality of sets of key value pair data form the historical voltage signal set, wherein the key data of the key value pair data represents the time nodes, and the value data represents the historical voltage values, so as to associate the time nodes and the historical voltage values, thereby associating the measured voltage values of the voltage signal set, the preset voltage values of the preset voltage signal set, and the historical voltage values of the historical voltage signal set with the time nodes.
For example, referring to fig. 5, the voltage measurement value of any point on the current voltage variation curve is lower than the preset voltage value of any point on the preset voltage variation curve, the voltage measurement value of any point on the current voltage variation curve is lower than the historical voltage value of any point on the historical voltage variation curve, and meanwhile, the voltage measurement value of any point on the historical voltage variation curve is lower than the preset voltage value of any point on the preset voltage variation curve, which indicates that the voltage of the backup power supply is abnormally and gradually decreased after the backup power supply discharges for a plurality of times, so that the gradual aging phenomenon of the circuit breaker system can be determined.
In some embodiments of the present application, for example, for a voltage signal set including a plurality of sets of time nodes and measured voltage value data, and a preset voltage signal set including a plurality of sets of time nodes and preset voltage value data, refer to fig. 7 continuously, where fig. 7 shows another schematic flow chart of determining whether a circuit breaker system is normal in the embodiment of the present application, where the step of determining whether the circuit breaker system is normal includes:
step S701, determining first time consumed by reducing a measured voltage value to a preset value according to a voltage signal set;
step S702, determining a second time consumed by reducing the preset voltage value to the preset value according to the preset voltage signal set;
step S702, determining whether the circuit breaker system is abnormal according to the first time and the second time.
Illustratively, the preset value may be 0V, i.e., the first time represents the actual time taken by the backup power source to complete discharging, and the second time represents the time taken by the backup power source to complete discharging without an abnormality in the circuit breaker system. When the first time is equal to the second time, the backup power supply is indicated to work normally, and the circuit breaker system is not abnormal; when the first time is not equal to the second time, the abnormal discharge phenomenon of the backup power source is shown, so that the circuit breaker system can be judged to be abnormal. It is understood that the preset value can be other system set values, such as 1V, 5V, 10V, etc.
In some embodiments of the present application, for example, for an embodiment in which the circuit breaker system includes a clock unit, a temperature acquisition unit, and a metering unit, the step of determining whether the circuit breaker system is abnormal according to the first time and the second time includes:
when the first time meets a first preset condition, determining that the clock unit is abnormal;
when the first time meets a second preset condition, determining that the temperature acquisition unit is abnormal;
when the first time meets a third preset condition, determining that the metering unit is abnormal;
and when the first time is equal to the second time, judging that the circuit breaker system is not abnormal.
When different parts of the circuit breaker system are abnormal, the influence on the first time consumed by the backup power supply for completing discharging is different, and therefore the abnormal component of the specific circuit breaker system can be determined by judging the preset condition met by the first time. Exemplarily, referring to fig. 8, fig. 8 shows a schematic diagram of a voltage variation curve in an embodiment of the present application, wherein the first preset condition is that the first time is equal to 2min56s560ms, that is, when the first time is 2min56s560ms, it may be determined that the clock unit is abnormal; the second preset condition is that the first time is equal to 2min55s530ms, namely when the first time is 2min55s530ms, it can be determined that the temperature acquisition unit is abnormal; the third preset condition is that the first time is equal to 2min53s530ms, that is, when the first time is 2min53s530ms, it may be determined that the metering unit is abnormal; when the first time is equal to the second time which is 3min and 0s000ms, the circuit breaker system has no abnormal phenomenon.
It can be understood that, for the first preset condition, the second preset condition and the third preset condition, a person skilled in the art may obtain the first preset condition, the second preset condition and the third preset condition through tests according to actually adopted models of the clock unit, the temperature acquisition unit, the metering unit and the backup power supply, and meanwhile, the first preset condition, the second preset condition and the third preset condition may also be range values, and when the first time is within the corresponding range values, it may be determined that the corresponding component of the circuit breaker system is abnormal; in addition, the circuit breaker system can further comprise a protection unit, a storage unit, a communication unit and the like, corresponding preset conditions are set, and fault diagnosis is carried out on the protection unit, the storage unit and the communication unit respectively.
Continuing to refer to fig. 9, fig. 9 shows another schematic flow chart of determining whether the breaker system is normal in the embodiment of the present application, where the step of determining whether the breaker system is normal includes:
step S901, measuring a plurality of measured voltage values of the backup power supply at a plurality of time nodes respectively, wherein the time nodes correspond to the measured voltage values one to one;
step S902, after each time node is measured to obtain a measured voltage value, a real-time voltage signal set corresponding to each time node is obtained, wherein the real-time voltage signal set comprises the measured voltage values of any time node and previous time nodes;
step S903, judging whether the circuit breaker system is abnormal or not according to the real-time voltage signal set and the preset voltage signal set.
Specifically, the real-time voltage signal set refers to a voltage signal set corresponding to a time node, and the real-time voltage signal set includes any time node and all previous measured voltage values thereof. Illustratively, when the backup power is discharged for 4 seconds, the real-time voltage signal sets corresponding to the 4 second time nodes are {1s-15V,2s-14.4V,3s-13.9V,4s-13.4V }, and when the backup power is discharged for 5 seconds, the real-time voltage signal sets corresponding to the 5 second time nodes are {1s-15V,2s-14.4V,3s-13.9V,4s-13.4V,5s-13.1V }.
In the discharging process of the backup power supply, the voltage signal set corresponding to the time node can be obtained in time, so that whether the circuit breaker system is abnormal or not can be judged in real time according to the real-time voltage signal set and the preset voltage signal set, and the timeliness of abnormity discovery of the circuit breaker system is ensured. Illustratively, for the embodiment where the set of real-time voltage signals corresponding to the 4 th-second time node is {1s-15v,2s-14.4v,3s-13.9v,4s-13.4V }, the set of preset voltage signals is {1s-15v,2s-14.6v,3s-14.2v,4s-13.7V.. Ns-1.2V }, the voltage measurement value of the node 4 seconds before the set of real-time voltage signals can be compared with the preset voltage value 4 seconds before the set of preset voltage signals, since the measured voltage value 14.4V at the 2 nd-second time node is lower than the corresponding preset voltage value 14.6V, the measured voltage value 13.9 at the 3 second time node is lower than the corresponding preset voltage value 14.2V, the measured voltage value 13.4V at the 4 th-second time node is lower than the corresponding preset voltage value 13.7V, the measured voltage value 13.4V at the 4 th-second time node is lower than the corresponding preset voltage value, and the abnormal discharging phenomenon of the power supply can be judged after the second, and the abnormal discharging of the system can be realized in time of collecting the abnormal circuit breaker system.
Further, in order to better implement the abnormality detection method in the embodiment of the present application, on the basis of the abnormality detection method, an abnormality detection apparatus is further provided in the embodiment of the present application, as shown in fig. 10, where the abnormality detection apparatus 1000 includes:
the power failure detection module 1001, the power failure detection module 1001 is used for starting the backup power supply when receiving the power failure signal;
the voltage acquisition module 1002 is used for starting timing according to the power-down signal and acquiring a voltage signal set of the backup power supply changing along with time;
and the abnormality determining module 1003, the abnormality determining module 1003 is configured to determine whether the circuit breaker system is abnormal according to the voltage signal set and a preset voltage signal set.
It should be understood that the apparatus and its modules shown in fig. 10 may be implemented in various ways. For example, in some embodiments, an apparatus and its modules may be implemented by hardware, software, or a combination of software and hardware. Wherein the hardware portion may be implemented using dedicated logic; the software portions may be stored in a memory for execution by a suitable instruction execution system, such as a microprocessor or specially designed hardware. Those skilled in the art will appreciate that the methods and systems described above may be implemented using computer executable instructions and/or embodied in processor control code, such code being provided, for example, on a carrier medium such as a diskette, CD-or DVD-ROM, a programmable memory such as read-only memory (firmware), or a data carrier such as an optical or electronic signal carrier. The system and its modules of the present application may be implemented not only by hardware circuits such as very large scale integrated circuits or gate arrays, semiconductors such as logic chips, transistors, etc., or programmable hardware devices such as field programmable gate arrays, programmable logic devices, etc., but also by software executed by various types of processors, for example, or by a combination of the above hardware circuits and software (e.g., firmware).
It should be noted that the above description of the apparatus and the modules thereof is for convenience of description only and should not limit the present application to the scope of the embodiments. It will be appreciated by those skilled in the art that, given the teachings of the present system, any combination of modules or sub-system configurations may be used to connect to other modules without departing from such teachings. For example, the power down detection module 1001, the voltage acquisition module 1002, and the abnormality judgment module 1003 disclosed in fig. 10 may be different modules in a system, or may be a module that implements the functions of two or more modules, for example, the voltage acquisition module 1002 and the abnormality judgment module 1003 may be two modules respectively having the voltage detection and judgment functions, or may be a module simultaneously having the voltage detection and judgment functions.
In order to better implement the abnormality detection method in the embodiment of the present application, on the basis of the abnormality detection method, an abnormality detection system is further provided in the embodiment of the present application, which integrates any one of the abnormality detection devices provided in the embodiment of the present application, and the system includes:
one or more processors;
a memory; and
one or more application programs, wherein the one or more application programs are stored in the memory and configured to be executed by the processor for performing the steps of the anomaly detection method of any one of the above-described anomaly detection method embodiments.
As shown in fig. 11, a schematic structural diagram of the abnormality detection system according to the embodiment of the present application is shown, specifically:
the anomaly detection system may include a processor 1101 of one or more processing cores, memory 1102 of one or more computer-readable storage media. Those skilled in the art will appreciate that the configuration shown in FIG. 11 does not constitute a limitation of the anomaly detection system, and may include more or fewer components than shown, or some components in combination, or a different arrangement of components. Wherein:
the processor 1101 is a control center of the system, connects various parts of the entire system using various interfaces and lines, performs various functions of the system and processes data by operating or executing software programs and/or modules stored in the memory 1102 and calling data stored in the memory 1102, thereby monitoring the system as a whole. Optionally, processor 1101 may include one or more processing cores; the Processor 1101 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 general purpose processor may be a microprocessor or the processor may be any conventional processor or the like, preferably the processor 1101 may integrate an application processor, which handles primarily the operating system, user interfaces, application programs, etc., and a modem processor, which handles primarily wireless communications. It will be appreciated that the modem processor described above may not be integrated into the processor 1101.
The memory 1102 may be used to store software programs and modules, and the processor 1101 executes various functional applications and data processing by operating the software programs and modules stored in the memory 1102. The memory 1102 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 created according to use of the abnormality detection system, and the like. Further, the memory 1102 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device. Accordingly, the memory 1102 may also include a memory controller to provide the processor 1101 with access to the memory 1102.
Although not shown, the abnormality detection system may further include a display unit and the like, which will not be described in detail herein. Specifically, in this embodiment, the processor 1101 in the anomaly detection system loads the executable file corresponding to the process of one or more application programs into the memory 1102 according to the following instructions, and the processor 1101 runs the application programs stored in the memory 1102, thereby implementing various functions as follows:
starting a backup power supply when a power-down signal is received;
starting timing according to the power failure signal, and acquiring a voltage signal set of the backup power supply changing along with time;
and judging whether the circuit breaker system is abnormal or not according to the voltage signal set and the preset voltage signal set.
It will be understood by those skilled in the art that all or part of the steps of the methods of the above embodiments may be performed by instructions, or by instructions controlling associated hardware, which may be stored in a computer-readable storage medium and loaded and executed by a processor.
To this end, an embodiment of the present invention provides a computer-readable storage medium, which may include: read Only Memory (ROM), random Access Memory (RAM), magnetic or optical disks, and the like. Stored thereon, is a computer program, which is loaded by a processor to perform the steps of any one of the anomaly detection methods provided by the embodiments of the present invention. For example, the computer program may be loaded by a processor to perform the steps of:
starting a backup power supply when a power-down signal is received;
starting timing according to the power failure signal, and acquiring a voltage signal set of the backup power supply changing along with time;
and judging whether the circuit breaker system is abnormal or not according to the voltage signal set and the preset voltage signal set.
In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and parts that are not described in detail in a certain embodiment may refer to the above detailed descriptions of other embodiments, and are not described herein again.
Having thus described the basic concept, it will be apparent to those skilled in the art that the foregoing detailed disclosure is to be considered as illustrative only and not limiting of the application. Various modifications, improvements and adaptations to the present application may occur to those skilled in the art, although not explicitly described herein. Such modifications, improvements and adaptations are proposed in the present application and thus fall within the spirit and scope of the exemplary embodiments of the present application.
Accordingly, various aspects of the present application may be embodied entirely in hardware, entirely in software (including firmware, resident software, micro-code, etc.) or in a combination of hardware and software. The above hardware or software may be referred to as "data block," module, "" engine, "" unit, "" component, "or" system. Furthermore, aspects of the present application may be represented as a computer product, including computer readable program code, embodied in one or more computer readable media.
The computer storage medium may comprise a propagated data signal with the computer program code embodied therewith, for example, on baseband or as part of a carrier wave. The propagated signal may take any of a variety of forms, including electromagnetic, optical, and the like, or any suitable combination. A computer storage medium may be any computer-readable medium that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device. Program code located on a computer storage medium may be propagated over any suitable medium, including radio, cable, fiber optic cable, RF, or the like, or any combination of the preceding.
Computer program code required for operation of various portions of the present application may be written in any one or more programming languages, including an object oriented programming language such as Java, scala, smalltalk, eiffel, JADE, emerald, C + +, C #, VB.NET, python, and the like, a conventional programming language such as C, visual Basic, fortran 2003, perl, COBOL 2002, PHP, ABAP, GO, and the like, a dynamic programming language such as Python, ruby, and Groovy, or other programming languages, and the like. The program code may execute entirely on the user's computer, partly on the user's computer, as a stand-alone software package, partly on the user's computer and partly on a remote computer or entirely on the remote computer or server.
Also, the present application uses specific words to describe embodiments of the application. Reference throughout this specification to "one embodiment," "an embodiment," and/or "some embodiments" means that a particular feature, structure, or characteristic described in connection with at least one embodiment of the present application is included in at least one embodiment of the present application. Therefore, it is emphasized and should be appreciated that two or more references to "an embodiment" or "one embodiment" or "an alternative embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, certain features, structures, or characteristics may be combined as suitable in one or more embodiments of the application.
Similarly, it should be noted that in the foregoing description of embodiments of the application, various features are sometimes grouped together in a single embodiment, figure, or description thereof for the purpose of streamlining the disclosure aiding in the understanding of one or more of the embodiments. This method of disclosure, however, is not intended to imply that more features are required than are expressly recited in the claims. Indeed, the embodiments may be characterized as having less than all of the features of a single embodiment disclosed above.
Numerals describing the number of components, attributes, etc. are used in some embodiments, it being understood that such numerals used in the description of the embodiments are modified in some instances by the use of the modifier "about", "approximately" or "substantially". Unless otherwise indicated, "about", "approximately" or "substantially" indicates that the number allows a variation of ± 20%. Accordingly, in some embodiments, the numerical parameters used in the specification and claims are approximations that may vary depending upon the desired properties of the individual embodiments. In some embodiments, the numerical parameter should take into account the specified significant digits and employ a general digit-preserving approach. Notwithstanding that the numerical ranges and parameters setting forth the broad scope of the range are approximations, in the specific examples, such numerical values are set forth as precisely as possible within the scope of the application.
For each patent, patent application publication, and other material, such as articles, books, specifications, publications, documents, and the like, cited in this application, are hereby incorporated by reference in their entirety herein, except for those application history documents that are inconsistent with or conflict with the present disclosure, as well as documents that are currently or later come to be read as having a limitation on the broadest scope of the claims present. It is to be understood that the descriptions, definitions and/or uses of terms in the attached materials of this application shall control if they are inconsistent or inconsistent with the statements and/or uses of this application.
The foregoing describes in detail an anomaly detection method, apparatus, system and computer-readable storage medium provided in an embodiment of the present application, and specific examples are applied herein to explain the principles and embodiments of the present invention, where the foregoing description of the embodiments is only provided to assist in understanding the method and its core concepts of the present invention; meanwhile, for those skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (5)
1. An abnormality detection method is applied to a circuit breaker system, the circuit breaker system comprises a backup power supply, a clock unit, a temperature acquisition unit and a metering unit, and the abnormality detection method comprises the following steps:
when a power-down signal is received, starting the backup power supply;
starting timing according to the power failure signal, and collecting a voltage signal set of the backup power supply changing along with time, wherein the voltage signal set comprises a plurality of groups of time nodes and measured voltage value data, and the measured voltage values correspond to the time nodes one to one;
determining a first time consumed by the measured voltage value to be reduced to a preset value according to the voltage signal set;
determining second time consumed by reducing a preset voltage value to a preset value according to a preset voltage signal set, wherein the preset voltage signal set comprises a plurality of groups of time nodes and preset voltage value data, and the preset voltage values correspond to the time nodes one to one;
when the first time meets a first preset condition, determining that the clock unit is abnormal;
when the first time meets a second preset condition, determining that the temperature acquisition unit is abnormal;
when the first time meets a third preset condition, determining that the metering unit is abnormal;
and when the first time is equal to the second time, judging that the circuit breaker system is not abnormal.
2. The abnormality detection method according to claim 1, characterized in that said method further comprises:
drawing a current voltage change curve of the backup power supply according to the multiple groups of time nodes and the measured voltage value data;
drawing a preset voltage change curve of the backup power supply according to the multiple groups of time nodes and preset voltage value data;
acquiring a historical voltage signal set, wherein the historical voltage signal set comprises a plurality of groups of time nodes and historical voltage value data, and the historical voltage values correspond to the time nodes one to one;
drawing a historical voltage change curve of the backup power supply according to the multiple groups of time nodes and the historical voltage value data;
and judging whether the circuit breaker system is aged or not according to the current voltage change curve, the preset voltage change curve and the historical voltage change curve.
3. An abnormality detection device characterized by comprising:
the power failure detection module is used for starting a backup power supply when a power failure signal is received;
the voltage acquisition module is used for starting timing according to the power-down signal and acquiring a voltage signal set of the backup power supply changing along with time, the voltage signal set comprises a plurality of groups of time nodes and measurement voltage value data, and the measurement voltage values are in one-to-one correspondence with the time nodes;
the abnormality judgment module is used for determining the first time consumed by the measured voltage value to be reduced to a preset value according to the voltage signal set;
determining second time consumed by reducing a preset voltage value to a preset value according to a preset voltage signal set, wherein the preset voltage signal set comprises a plurality of groups of time nodes and preset voltage value data, and the preset voltage values correspond to the time nodes one to one;
when the first time meets a first preset condition, determining that a clock unit is abnormal;
when the first time meets a second preset condition, determining that the temperature acquisition unit is abnormal;
when the first time meets a third preset condition, determining that the metering unit is abnormal;
and when the first time is equal to the second time, judging that the circuit breaker system is abnormal.
4. An anomaly detection system, comprising:
one or more processors;
a memory; and
one or more application programs, wherein the one or more application programs are stored in the memory and configured to be executed by the processor to implement the anomaly detection method of any of claims 1-2.
5. A computer-readable storage medium, having stored thereon a computer program which is loaded by a processor for performing the steps of the anomaly detection method of any one of claims 1-2.
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